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1/*
2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
3 *
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22#define WAYPOINT_FONT "Sans 8"
23
24/* WARNING: If you go beyond this point, we are NOT responsible for any ill effects on your sanity */
25/* viktrwlayer.c -- 2200 lines can make a difference in the state of things */
26
27#ifdef HAVE_CONFIG_H
28#include "config.h"
29#endif
30
31#include "viking.h"
32#include "vikmapslayer.h"
33#include "viktrwlayer_pixmap.h"
34#include "viktrwlayer_tpwin.h"
35#include "viktrwlayer_propwin.h"
36#include "garminsymbols.h"
37#include "thumbnails.h"
38#include "background.h"
39#include "gpx.h"
40#include "babel.h"
41#include "dem.h"
42#include "dems.h"
43#ifdef VIK_CONFIG_OPENSTREETMAP
44#include "osm-traces.h"
45#endif
46
47#include <math.h>
48#include <string.h>
49#include <stdlib.h>
50#include <ctype.h>
51
52#define GOOGLE_DIRECTIONS_STRING "(wget -O - \"http://maps.google.com/maps?q=%f,%f to %f,%f&output=js\" 2>/dev/null)"
53#define VIK_TRW_LAYER_TRACK_GC 13
54#define VIK_TRW_LAYER_TRACK_GC_RATES 10
55#define VIK_TRW_LAYER_TRACK_GC_MIN 0
56#define VIK_TRW_LAYER_TRACK_GC_MAX 11
57#define VIK_TRW_LAYER_TRACK_GC_BLACK 12
58
59#define DRAWMODE_BY_TRACK 0
60#define DRAWMODE_BY_VELOCITY 1
61#define DRAWMODE_ALL_BLACK 2
62
63#define POINTS 1
64#define LINES 2
65
66/* this is how it knows when you click if you are clicking close to a trackpoint. */
67#define TRACKPOINT_SIZE_APPROX 5
68#define WAYPOINT_SIZE_APPROX 5
69
70#define MIN_STOP_LENGTH 15
71#define MAX_STOP_LENGTH 86400
72#define DRAW_ELEVATION_FACTOR 30 /* height of elevation plotting, sort of relative to zoom level ("mpp" that isn't mpp necessarily) */
73 /* this is multiplied by user-inputted value from 1-100. */
74enum {
75VIK_TRW_LAYER_SUBLAYER_TRACKS,
76VIK_TRW_LAYER_SUBLAYER_WAYPOINTS,
77VIK_TRW_LAYER_SUBLAYER_TRACK,
78VIK_TRW_LAYER_SUBLAYER_WAYPOINT
79};
80
81enum { WP_SYMBOL_FILLED_SQUARE, WP_SYMBOL_SQUARE, WP_SYMBOL_CIRCLE, WP_SYMBOL_X, WP_NUM_SYMBOLS };
82
83struct _VikTrwLayer {
84 VikLayer vl;
85 GHashTable *tracks;
86 GHashTable *tracks_iters;
87 GHashTable *waypoints_iters;
88 GHashTable *waypoints;
89 GtkTreeIter waypoints_iter, tracks_iter;
90 gboolean tracks_visible, waypoints_visible;
91 guint8 drawmode;
92 guint8 drawpoints;
93 guint8 drawelevation;
94 guint8 elevation_factor;
95 guint8 drawstops;
96 guint32 stop_length;
97 guint8 drawlines;
98 guint8 line_thickness;
99 guint8 bg_line_thickness;
100
101 guint8 wp_symbol;
102 guint8 wp_size;
103 gboolean wp_draw_symbols;
104
105 gdouble velocity_min, velocity_max;
106 GArray *track_gc;
107 guint16 track_gc_iter;
108 GdkGC *track_bg_gc;
109 GdkGC *waypoint_gc;
110 GdkGC *waypoint_text_gc;
111 GdkGC *waypoint_bg_gc;
112 GdkFont *waypoint_font;
113 VikTrack *current_track;
114 guint16 ct_x1, ct_y1, ct_x2, ct_y2;
115
116 VikCoordMode coord_mode;
117
118 /* wp editing tool */
119 VikWaypoint *current_wp;
120 gchar *current_wp_name;
121 gboolean moving_wp;
122 gboolean waypoint_rightclick;
123
124 /* track editing tool */
125 GList *current_tpl;
126 gchar *current_tp_track_name;
127 VikTrwLayerTpwin *tpwin;
128
129 /* weird hack for joining tracks */
130 GList *last_tpl;
131 gchar *last_tp_track_name;
132
133 /* track editing tool -- more specifically, moving tps */
134 gboolean moving_tp;
135
136 /* magic scissors tool */
137 gboolean magic_scissors_started;
138 VikCoord magic_scissors_coord;
139 gboolean magic_scissors_check_added_track;
140 gchar *magic_scissors_added_track_name;
141 VikTrack *magic_scissors_current_track;
142 gboolean magic_scissors_append;
143
144 gboolean drawlabels;
145 gboolean drawimages;
146 guint8 image_alpha;
147 GQueue *image_cache;
148 guint8 image_size;
149 guint16 image_cache_size;
150
151 /* for waypoint text */
152 PangoLayout *wplabellayout;
153
154 gboolean has_verified_thumbnails;
155
156 GtkMenu *wp_right_click_menu;
157
158 /* menu */
159 VikStdLayerMenuItem menu_selection;
160
161};
162
163/* A caached waypoint image. */
164typedef struct {
165 GdkPixbuf *pixbuf;
166 gchar *image; /* filename */
167} CachedPixbuf;
168
169struct DrawingParams {
170 VikViewport *vp;
171 VikTrwLayer *vtl;
172 gdouble xmpp, ympp;
173 guint16 width, height;
174 const VikCoord *center;
175 gint track_gc_iter;
176 gboolean one_zone, lat_lon;
177 gdouble ce1, ce2, cn1, cn2;
178};
179
180static void vik_trw_layer_set_menu_selection(VikTrwLayer *vtl, guint16);
181static guint16 vik_trw_layer_get_menu_selection(VikTrwLayer *vtl);
182
183static void trw_layer_delete_item ( gpointer *pass_along );
184static void trw_layer_copy_item_cb( gpointer *pass_along);
185static void trw_layer_cut_item_cb( gpointer *pass_along);
186
187static void trw_layer_find_maxmin_waypoints ( const gchar *name, const VikWaypoint *w, struct LatLon maxmin[2] );
188static void trw_layer_find_maxmin_tracks ( const gchar *name, GList **t, struct LatLon maxmin[2] );
189
190static void trw_layer_new_track_gcs ( VikTrwLayer *vtl, VikViewport *vp );
191static void trw_layer_free_track_gcs ( VikTrwLayer *vtl );
192
193static gint calculate_velocity ( VikTrwLayer *vtl, VikTrackpoint *tp1, VikTrackpoint *tp2 );
194static void trw_layer_draw_track_cb ( const gchar *name, VikTrack *track, struct DrawingParams *dp );
195static void trw_layer_draw_waypoint ( const gchar *name, VikWaypoint *wp, struct DrawingParams *dp );
196
197static void goto_coord ( VikLayersPanel *vlp, const VikCoord *coord );
198static void trw_layer_goto_track_startpoint ( gpointer pass_along[5] );
199static void trw_layer_goto_track_endpoint ( gpointer pass_along[6] );
200static void trw_layer_merge_by_timestamp ( gpointer pass_along[6] );
201static void trw_layer_split_by_timestamp ( gpointer pass_along[6] );
202static void trw_layer_download_map_along_track_cb(gpointer pass_along[6]);
203static void trw_layer_centerize ( gpointer layer_and_vlp[2] );
204static void trw_layer_export ( gpointer layer_and_vlp[2], guint file_type );
205static void trw_layer_goto_wp ( gpointer layer_and_vlp[2] );
206static void trw_layer_new_wp ( gpointer lav[2] );
207
208/* pop-up items */
209static void trw_layer_properties_item ( gpointer pass_along[5] );
210static void trw_layer_goto_waypoint ( gpointer pass_along[5] );
211static void trw_layer_waypoint_gc_webpage ( gpointer pass_along[5] );
212
213static void trw_layer_realize_waypoint ( gchar *name, VikWaypoint *wp, gpointer pass_along[4] );
214static void trw_layer_realize_track ( gchar *name, VikTrack *track, gpointer pass_along[4] );
215static void init_drawing_params ( struct DrawingParams *dp, VikViewport *vp );
216
217
218static void trw_layer_marshall( VikTrwLayer *vtl, guint8 **data, gint *len );
219static VikTrwLayer *trw_layer_unmarshall( gpointer data, gint len, VikViewport *vvp );
220
221static gboolean trw_layer_set_param ( VikTrwLayer *vtl, guint16 id, VikLayerParamData data, VikViewport *vp );
222static VikLayerParamData trw_layer_get_param ( VikTrwLayer *vtl, guint16 id );
223
224static void trw_layer_del_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer );
225static void trw_layer_copy_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer, guint8 **item, guint *len );
226static gboolean trw_layer_paste_item ( VikTrwLayer *vtl, gint subtype, guint8 *item, guint len );
227static void trw_layer_free_copied_item ( gint subtype, gpointer item );
228static void trw_layer_drag_drop_request ( VikTrwLayer *vtl_src, VikTrwLayer *vtl_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
229
230static void trw_layer_cancel_tps_of_track ( VikTrwLayer *vtl, const gchar *trk_name );
231static void trw_layer_cancel_last_tp ( VikTrwLayer *vtl );
232static void trw_layer_cancel_current_tp ( VikTrwLayer *vtl, gboolean destroy );
233static void trw_layer_tpwin_response ( VikTrwLayer *vtl, gint response );
234static void trw_layer_tpwin_init ( VikTrwLayer *vtl );
235
236static gpointer tool_edit_trackpoint_create ( VikWindow *vw, VikViewport *vvp);
237static gboolean tool_edit_trackpoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
238static gboolean tool_edit_trackpoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
239static gboolean tool_edit_trackpoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
240static gpointer tool_show_picture_create ( VikWindow *vw, VikViewport *vvp);
241static gboolean tool_show_picture_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
242static gpointer tool_edit_waypoint_create ( VikWindow *vw, VikViewport *vvp);
243static gboolean tool_edit_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
244static gboolean tool_edit_waypoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
245static gboolean tool_edit_waypoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
246static gpointer tool_new_track_create ( VikWindow *vw, VikViewport *vvp);
247static gboolean tool_new_track_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
248static gpointer tool_new_waypoint_create ( VikWindow *vw, VikViewport *vvp);
249static gboolean tool_new_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
250static gpointer tool_magic_scissors_create ( VikWindow *vw, VikViewport *vvp);
251static gboolean tool_magic_scissors_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
252
253
254static gboolean uppercase_exists_in_hash ( GHashTable *hash, const gchar *str );
255
256static void cached_pixbuf_free ( CachedPixbuf *cp );
257static gint cached_pixbuf_cmp ( CachedPixbuf *cp, const gchar *name );
258static void trw_layer_verify_thumbnails ( VikTrwLayer *vtl, GtkWidget *vp );
259
260static VikTrackpoint *closest_tp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y );
261static VikWaypoint *closest_wp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y );
262
263static void trw_layer_change_coord_mode ( VikTrwLayer *vtl, VikCoordMode dest_mode );
264
265static gchar *get_new_unique_sublayer_name (VikTrwLayer *vtl, gint sublayer_type, const gchar *name);
266static void waypoint_convert ( const gchar *name, VikWaypoint *wp, VikCoordMode *dest_mode );
267static void track_convert ( const gchar *name, VikTrack *tr, VikCoordMode *dest_mode );
268
269static VikToolInterface trw_layer_tools[] = {
270 { "Create Waypoint", (VikToolConstructorFunc) tool_new_waypoint_create, NULL, NULL, NULL,
271 (VikToolMouseFunc) tool_new_waypoint_click, NULL, NULL },
272
273 { "Create Track", (VikToolConstructorFunc) tool_new_track_create, NULL, NULL, NULL,
274 (VikToolMouseFunc) tool_new_track_click, NULL, NULL },
275
276 { "Edit Waypoint", (VikToolConstructorFunc) tool_edit_waypoint_create, NULL, NULL, NULL,
277 (VikToolMouseFunc) tool_edit_waypoint_click,
278 (VikToolMouseFunc) tool_edit_waypoint_move,
279 (VikToolMouseFunc) tool_edit_waypoint_release },
280
281 { "Edit Trackpoint", (VikToolConstructorFunc) tool_edit_trackpoint_create, NULL, NULL, NULL,
282 (VikToolMouseFunc) tool_edit_trackpoint_click,
283 (VikToolMouseFunc) tool_edit_trackpoint_move,
284 (VikToolMouseFunc) tool_edit_trackpoint_release },
285
286 { "Show Picture", (VikToolConstructorFunc) tool_show_picture_create, NULL, NULL, NULL,
287 (VikToolMouseFunc) tool_show_picture_click, NULL, NULL },
288
289 { "Magic Scissors", (VikToolConstructorFunc) tool_magic_scissors_create, NULL, NULL, NULL,
290 (VikToolMouseFunc) tool_magic_scissors_click, NULL, NULL },
291};
292
293/****** PARAMETERS ******/
294
295static gchar *params_groups[] = { "Waypoints", "Tracks", "Waypoint Images" };
296enum { GROUP_WAYPOINTS, GROUP_TRACKS, GROUP_IMAGES };
297
298static gchar *params_drawmodes[] = { "Draw by Track", "Draw by Velocity", "All Tracks Black", 0 };
299static gchar *params_wpsymbols[] = { "Filled Square", "Square", "Circle", "X", 0 };
300
301
302static VikLayerParamScale params_scales[] = {
303 /* min max step digits */
304 { 1, 10, 1, 0 }, /* line_thickness */
305 { 0.0, 99.0, 1, 2 }, /* velocity_min */
306 { 1.0, 100.0, 1.0, 2 }, /* velocity_max */
307 /* 5 * step == how much to turn */
308 { 16, 128, 3.2, 0 }, /* image_size */
309 { 0, 255, 5, 0 }, /* image alpha */
310 { 5, 500, 5, 0 }, /* image cache_size */
311 { 0, 8, 1, 0 }, /* image cache_size */
312 { 1, 64, 1, 0 }, /* wpsize */
313 { MIN_STOP_LENGTH, MAX_STOP_LENGTH, 1, 0 }, /* stop_length */
314 { 1, 100, 1, 0 }, /* stop_length */
315};
316
317VikLayerParam trw_layer_params[] = {
318 { "tracks_visible", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_NOT_IN_PROPERTIES },
319 { "waypoints_visible", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_NOT_IN_PROPERTIES },
320
321 { "drawmode", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track Drawing Mode:", VIK_LAYER_WIDGET_RADIOGROUP, NULL },
322 { "drawlines", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Track Lines", VIK_LAYER_WIDGET_CHECKBUTTON },
323 { "drawpoints", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Trackpoints", VIK_LAYER_WIDGET_CHECKBUTTON },
324 { "drawelevation", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Elevation", VIK_LAYER_WIDGET_CHECKBUTTON },
325 { "elevation_factor", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Draw Elevation Height %:", VIK_LAYER_WIDGET_HSCALE, params_scales + 9 },
326
327 { "drawstops", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Stops", VIK_LAYER_WIDGET_CHECKBUTTON },
328 { "stop_length", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Min Stop Length (seconds):", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 8 },
329
330 { "line_thickness", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track Thickness:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 0 },
331 { "bg_line_thickness", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track BG Thickness:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 6 },
332 { "trackbgcolor", VIK_LAYER_PARAM_COLOR, GROUP_TRACKS, "Track Background Color", VIK_LAYER_WIDGET_COLOR, 0 },
333 { "velocity_min", VIK_LAYER_PARAM_DOUBLE, GROUP_TRACKS, "Min Track Velocity:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 1 },
334 { "velocity_max", VIK_LAYER_PARAM_DOUBLE, GROUP_TRACKS, "Max Track Velocity:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 2 },
335
336 { "drawlabels", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Draw Labels", VIK_LAYER_WIDGET_CHECKBUTTON },
337 { "wpcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Waypoint Color:", VIK_LAYER_WIDGET_COLOR, 0 },
338 { "wptextcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Waypoint Text:", VIK_LAYER_WIDGET_COLOR, 0 },
339 { "wpbgcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Background:", VIK_LAYER_WIDGET_COLOR, 0 },
340 { "wpbgand", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Fake BG Color Translucency:", VIK_LAYER_WIDGET_CHECKBUTTON, 0 },
341 { "wpsymbol", VIK_LAYER_PARAM_UINT, GROUP_WAYPOINTS, "Waypoint marker:", VIK_LAYER_WIDGET_RADIOGROUP, NULL },
342 { "wpsize", VIK_LAYER_PARAM_UINT, GROUP_WAYPOINTS, "Waypoint size:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 7 },
343 { "wpsyms", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Draw Waypoint Symbols:", VIK_LAYER_WIDGET_CHECKBUTTON },
344
345 { "drawimages", VIK_LAYER_PARAM_BOOLEAN, GROUP_IMAGES, "Draw Waypoint Images", VIK_LAYER_WIDGET_CHECKBUTTON },
346 { "image_size", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Size (pixels):", VIK_LAYER_WIDGET_HSCALE, params_scales + 3 },
347 { "image_alpha", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Alpha:", VIK_LAYER_WIDGET_HSCALE, params_scales + 4 },
348 { "image_cache_size", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Memory Cache Size:", VIK_LAYER_WIDGET_HSCALE, params_scales + 5 },
349};
350
351enum { PARAM_TV, PARAM_WV, PARAM_DM, PARAM_DL, PARAM_DP, PARAM_DE, PARAM_EF, PARAM_DS, PARAM_SL, PARAM_LT, PARAM_BLT, PARAM_TBGC, PARAM_VMIN, PARAM_VMAX, PARAM_DLA, PARAM_WPC, PARAM_WPTC, PARAM_WPBC, PARAM_WPBA, PARAM_WPSYM, PARAM_WPSIZE, PARAM_WPSYMS, PARAM_DI, PARAM_IS, PARAM_IA, PARAM_ICS, NUM_PARAMS };
352
353/*** TO ADD A PARAM:
354 *** 1) Add to trw_layer_params and enumeration
355 *** 2) Handle in get_param & set_param (presumably adding on to VikTrwLayer struct)
356 ***/
357
358/****** END PARAMETERS ******/
359
360VikLayerInterface vik_trw_layer_interface = {
361 "TrackWaypoint",
362 &trwlayer_pixbuf,
363
364 trw_layer_tools,
365 sizeof(trw_layer_tools) / sizeof(VikToolInterface),
366
367 trw_layer_params,
368 NUM_PARAMS,
369 params_groups, /* params_groups */
370 sizeof(params_groups)/sizeof(params_groups[0]), /* number of groups */
371
372 VIK_MENU_ITEM_ALL,
373
374 (VikLayerFuncCreate) vik_trw_layer_create,
375 (VikLayerFuncRealize) vik_trw_layer_realize,
376 (VikLayerFuncPostRead) trw_layer_verify_thumbnails,
377 (VikLayerFuncFree) vik_trw_layer_free,
378
379 (VikLayerFuncProperties) NULL,
380 (VikLayerFuncDraw) vik_trw_layer_draw,
381 (VikLayerFuncChangeCoordMode) trw_layer_change_coord_mode,
382
383 (VikLayerFuncSetMenuItemsSelection) vik_trw_layer_set_menu_selection,
384 (VikLayerFuncGetMenuItemsSelection) vik_trw_layer_get_menu_selection,
385
386 (VikLayerFuncAddMenuItems) vik_trw_layer_add_menu_items,
387 (VikLayerFuncSublayerAddMenuItems) vik_trw_layer_sublayer_add_menu_items,
388
389 (VikLayerFuncSublayerRenameRequest) vik_trw_layer_sublayer_rename_request,
390 (VikLayerFuncSublayerToggleVisible) vik_trw_layer_sublayer_toggle_visible,
391
392 (VikLayerFuncMarshall) trw_layer_marshall,
393 (VikLayerFuncUnmarshall) trw_layer_unmarshall,
394
395 (VikLayerFuncSetParam) trw_layer_set_param,
396 (VikLayerFuncGetParam) trw_layer_get_param,
397
398 (VikLayerFuncReadFileData) a_gpspoint_read_file,
399 (VikLayerFuncWriteFileData) a_gpspoint_write_file,
400
401 (VikLayerFuncDeleteItem) trw_layer_del_item,
402 (VikLayerFuncCopyItem) trw_layer_copy_item,
403 (VikLayerFuncPasteItem) trw_layer_paste_item,
404 (VikLayerFuncFreeCopiedItem) trw_layer_free_copied_item,
405
406 (VikLayerFuncDragDropRequest) trw_layer_drag_drop_request,
407};
408
409/* for copy & paste (I think?) */
410typedef struct {
411 guint len;
412 guint8 data[0];
413 // gchar *name;
414 // VikWaypoint *wp;
415} FlatItem;
416
417GType vik_trw_layer_get_type ()
418{
419 static GType vtl_type = 0;
420
421 if (!vtl_type)
422 {
423 static const GTypeInfo vtl_info =
424 {
425 sizeof (VikTrwLayerClass),
426 NULL, /* base_init */
427 NULL, /* base_finalize */
428 NULL, /* class init */
429 NULL, /* class_finalize */
430 NULL, /* class_data */
431 sizeof (VikTrwLayer),
432 0,
433 NULL /* instance init */
434 };
435 vtl_type = g_type_register_static ( VIK_LAYER_TYPE, "VikTrwLayer", &vtl_info, 0 );
436 }
437
438 return vtl_type;
439}
440
441static void trw_layer_del_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer )
442{
443 static gpointer pass_along[5];
444 if (!sublayer) {
445 return;
446 }
447
448 pass_along[0] = vtl;
449 pass_along[1] = NULL;
450 pass_along[2] = (gpointer) subtype;
451 pass_along[3] = sublayer;
452 pass_along[4] = NULL;
453
454 trw_layer_delete_item ( pass_along );
455}
456
457static void trw_layer_copy_item_cb( gpointer pass_along[5])
458{
459 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
460 gint subtype = (gint)pass_along[2];
461 gpointer * sublayer = pass_along[3];
462 guint8 *data = NULL;
463 guint len;
464
465 trw_layer_copy_item( vtl, subtype, sublayer, &data, &len);
466
467 if (data) {
468 a_clipboard_copy( VIK_CLIPBOARD_DATA_SUBLAYER, VIK_LAYER_TRW,
469 subtype, len, data);
470 }
471}
472
473static void trw_layer_cut_item_cb( gpointer pass_along[5])
474{
475 trw_layer_copy_item_cb(pass_along);
476 trw_layer_delete_item(pass_along);
477}
478
479static void trw_layer_copy_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer, guint8 **item, guint *len )
480{
481 FlatItem *fi;
482 guint8 *id;
483 guint il;
484
485 if (!sublayer) {
486 *item = NULL;
487 return;
488 }
489
490 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
491 {
492 vik_waypoint_marshall ( g_hash_table_lookup ( vtl->waypoints, sublayer ), &id, &il );
493 } else {
494 vik_track_marshall ( g_hash_table_lookup ( vtl->tracks, sublayer ), &id, &il );
495 }
496
497 *len = sizeof(FlatItem) + strlen(sublayer) + 1 + il;
498 fi = g_malloc ( *len );
499 fi->len = strlen(sublayer) + 1;
500 memcpy(fi->data, sublayer, fi->len);
501 memcpy(fi->data + fi->len, id, il);
502 g_free(id);
503 *item = (guint8 *)fi;
504}
505
506static gboolean trw_layer_paste_item ( VikTrwLayer *vtl, gint subtype, guint8 *item, guint len )
507{
508 FlatItem *fi = (FlatItem *) item;
509
510 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT && fi )
511 {
512 VikWaypoint *w;
513 gchar *name;
514
515 name = get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, (gchar *)fi->data);
516 w = vik_waypoint_unmarshall(fi->data + fi->len, len - sizeof(*fi) - fi->len);
517 vik_trw_layer_add_waypoint ( vtl, name, w );
518 waypoint_convert(name, w, &vtl->coord_mode);
519 return TRUE;
520 }
521 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK && fi )
522 {
523 VikTrack *t;
524 gchar *name;
525 name = get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_TRACK, (gchar *)fi->data);
526 t = vik_track_unmarshall(fi->data + fi->len, len - sizeof(*fi) - fi->len);
527 vik_trw_layer_add_track ( vtl, name, t );
528 track_convert(name, t, &vtl->coord_mode);
529 return TRUE;
530 }
531 return FALSE;
532}
533
534static void trw_layer_free_copied_item ( gint subtype, gpointer item )
535{
536 if (item) {
537 g_free(item);
538 }
539}
540
541static gboolean trw_layer_set_param ( VikTrwLayer *vtl, guint16 id, VikLayerParamData data, VikViewport *vp )
542{
543 switch ( id )
544 {
545 case PARAM_TV: vtl->tracks_visible = data.b; break;
546 case PARAM_WV: vtl->waypoints_visible = data.b; break;
547 case PARAM_DM: vtl->drawmode = data.u; break;
548 case PARAM_DP: vtl->drawpoints = data.b; break;
549 case PARAM_DE: vtl->drawelevation = data.b; break;
550 case PARAM_DS: vtl->drawstops = data.b; break;
551 case PARAM_DL: vtl->drawlines = data.b; break;
552 case PARAM_SL: if ( data.u >= MIN_STOP_LENGTH && data.u <= MAX_STOP_LENGTH )
553 vtl->stop_length = data.u;
554 break;
555 case PARAM_EF: if ( data.u >= 1 && data.u <= 100 )
556 vtl->elevation_factor = data.u;
557 break;
558 case PARAM_LT: if ( data.u > 0 && data.u < 15 && data.u != vtl->line_thickness )
559 {
560 vtl->line_thickness = data.u;
561 trw_layer_new_track_gcs ( vtl, vp );
562 }
563 break;
564 case PARAM_BLT: if ( data.u > 0 && data.u <= 8 && data.u != vtl->bg_line_thickness )
565 {
566 vtl->bg_line_thickness = data.u;
567 trw_layer_new_track_gcs ( vtl, vp );
568 }
569 break;
570 case PARAM_VMIN: vtl->velocity_min = data.d; break;
571 case PARAM_VMAX: vtl->velocity_max = data.d; break;
572 case PARAM_TBGC: gdk_gc_set_rgb_fg_color(vtl->track_bg_gc, &(data.c)); break;
573 case PARAM_DLA: vtl->drawlabels = data.b; break;
574 case PARAM_DI: vtl->drawimages = data.b; break;
575 case PARAM_IS: if ( data.u != vtl->image_size )
576 {
577 vtl->image_size = data.u;
578 g_list_foreach ( vtl->image_cache->head, (GFunc) cached_pixbuf_free, NULL );
579 g_queue_free ( vtl->image_cache );
580 vtl->image_cache = g_queue_new ();
581 }
582 break;
583 case PARAM_IA: vtl->image_alpha = data.u; break;
584 case PARAM_ICS: vtl->image_cache_size = data.u;
585 while ( vtl->image_cache->length > vtl->image_cache_size ) /* if shrinking cache_size, free pixbuf ASAP */
586 cached_pixbuf_free ( g_queue_pop_tail ( vtl->image_cache ) );
587 break;
588 case PARAM_WPC: gdk_gc_set_rgb_fg_color(vtl->waypoint_gc, &(data.c)); break;
589 case PARAM_WPTC: gdk_gc_set_rgb_fg_color(vtl->waypoint_text_gc, &(data.c)); break;
590 case PARAM_WPBC: gdk_gc_set_rgb_fg_color(vtl->waypoint_bg_gc, &(data.c)); break;
591 case PARAM_WPBA: gdk_gc_set_function(vtl->waypoint_bg_gc, data.b ? GDK_AND : GDK_COPY ); break;
592 case PARAM_WPSYM: if ( data.u < WP_NUM_SYMBOLS ) vtl->wp_symbol = data.u; break;
593 case PARAM_WPSIZE: if ( data.u > 0 && data.u <= 64 ) vtl->wp_size = data.u; break;
594 case PARAM_WPSYMS: vtl->wp_draw_symbols = data.b; break;
595 }
596 return TRUE;
597}
598
599static VikLayerParamData trw_layer_get_param ( VikTrwLayer *vtl, guint16 id )
600{
601 VikLayerParamData rv;
602 switch ( id )
603 {
604 case PARAM_TV: rv.b = vtl->tracks_visible; break;
605 case PARAM_WV: rv.b = vtl->waypoints_visible; break;
606 case PARAM_DM: rv.u = vtl->drawmode; break;
607 case PARAM_DP: rv.b = vtl->drawpoints; break;
608 case PARAM_DE: rv.b = vtl->drawelevation; break;
609 case PARAM_EF: rv.u = vtl->elevation_factor; break;
610 case PARAM_DS: rv.b = vtl->drawstops; break;
611 case PARAM_SL: rv.u = vtl->stop_length; break;
612 case PARAM_DL: rv.b = vtl->drawlines; break;
613 case PARAM_LT: rv.u = vtl->line_thickness; break;
614 case PARAM_BLT: rv.u = vtl->bg_line_thickness; break;
615 case PARAM_VMIN: rv.d = vtl->velocity_min; break;
616 case PARAM_VMAX: rv.d = vtl->velocity_max; break;
617 case PARAM_DLA: rv.b = vtl->drawlabels; break;
618 case PARAM_DI: rv.b = vtl->drawimages; break;
619 case PARAM_TBGC: vik_gc_get_fg_color(vtl->track_bg_gc, &(rv.c)); break;
620 case PARAM_IS: rv.u = vtl->image_size; break;
621 case PARAM_IA: rv.u = vtl->image_alpha; break;
622 case PARAM_ICS: rv.u = vtl->image_cache_size; break;
623 case PARAM_WPC: vik_gc_get_fg_color(vtl->waypoint_gc, &(rv.c)); break;
624 case PARAM_WPTC: vik_gc_get_fg_color(vtl->waypoint_text_gc, &(rv.c)); break;
625 case PARAM_WPBC: vik_gc_get_fg_color(vtl->waypoint_bg_gc, &(rv.c)); break;
626 case PARAM_WPBA: rv.b = (vik_gc_get_function(vtl->waypoint_bg_gc)==GDK_AND); break;
627 case PARAM_WPSYM: rv.u = vtl->wp_symbol; break;
628 case PARAM_WPSIZE: rv.u = vtl->wp_size; break;
629 case PARAM_WPSYMS: rv.b = vtl->wp_draw_symbols; break;
630 }
631 return rv;
632}
633
634static void trw_layer_marshall( VikTrwLayer *vtl, guint8 **data, gint *len )
635{
636 guint8 *pd, *dd;
637 gint pl, dl;
638 gchar *tmpname;
639 FILE *f;
640
641 *data = NULL;
642
643 if ((f = fdopen(g_file_open_tmp (NULL, &tmpname, NULL), "r+"))) {
644 a_gpx_write_file(vtl, f);
645 vik_layer_marshall_params(VIK_LAYER(vtl), &pd, &pl);
646 fclose(f);
647 g_file_get_contents(tmpname, (void *)&dd, (void *)&dl, NULL);
648 *len = sizeof(pl) + pl + dl;
649 *data = g_malloc(*len);
650 memcpy(*data, &pl, sizeof(pl));
651 memcpy(*data + sizeof(pl), pd, pl);
652 memcpy(*data + sizeof(pl) + pl, dd, dl);
653
654 g_free(pd);
655 g_free(dd);
656 remove(tmpname);
657 g_free(tmpname);
658 }
659}
660
661static VikTrwLayer *trw_layer_unmarshall( gpointer data, gint len, VikViewport *vvp )
662{
663 VikTrwLayer *rv = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vvp, NULL, FALSE ));
664 guint pl;
665 gchar *tmpname;
666 FILE *f;
667
668
669 memcpy(&pl, data, sizeof(pl));
670 data += sizeof(pl);
671 vik_layer_unmarshall_params ( VIK_LAYER(rv), data, pl, vvp );
672 data += pl;
673
674 if (!(f = fdopen(g_file_open_tmp (NULL, &tmpname, NULL), "r+"))) {
675 g_critical("couldn't open temp file\n");
676 exit(1);
677 }
678 fwrite(data, len - pl - sizeof(pl), 1, f);
679 rewind(f);
680 a_gpx_read_file(rv, f);
681 fclose(f);
682 remove(tmpname);
683 g_free(tmpname);
684 return rv;
685}
686
687static GList * a_array_to_glist(gpointer data[])
688{
689 GList *gl = NULL;
690 gpointer * p;
691 for (p = data; *p; p++)
692 gl = g_list_prepend(gl, *p);
693 return(g_list_reverse(gl));
694}
695
696VikTrwLayer *vik_trw_layer_new ( gint drawmode )
697{
698 if (trw_layer_params[PARAM_DM].widget_data == NULL)
699 trw_layer_params[PARAM_DM].widget_data = a_array_to_glist(params_drawmodes);
700 if (trw_layer_params[PARAM_WPSYM].widget_data == NULL)
701 trw_layer_params[PARAM_WPSYM].widget_data = a_array_to_glist(params_wpsymbols);
702
703 VikTrwLayer *rv = VIK_TRW_LAYER ( g_object_new ( VIK_TRW_LAYER_TYPE, NULL ) );
704 vik_layer_init ( VIK_LAYER(rv), VIK_LAYER_TRW );
705
706 rv->waypoints = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, (GDestroyNotify) vik_waypoint_free );
707 rv->tracks = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, (GDestroyNotify) vik_track_free );
708 rv->tracks_iters = g_hash_table_new_full ( g_str_hash, g_str_equal, NULL, g_free );
709 rv->waypoints_iters = g_hash_table_new_full ( g_str_hash, g_str_equal, NULL, g_free );
710
711 /* TODO: constants at top */
712 rv->waypoints_visible = rv->tracks_visible = TRUE;
713 rv->drawmode = drawmode;
714 rv->drawpoints = TRUE;
715 rv->drawstops = FALSE;
716 rv->drawelevation = FALSE;
717 rv->elevation_factor = 30;
718 rv->stop_length = 60;
719 rv->drawlines = TRUE;
720 rv->wplabellayout = NULL;
721 rv->wp_right_click_menu = NULL;
722 rv->waypoint_gc = NULL;
723 rv->waypoint_text_gc = NULL;
724 rv->waypoint_bg_gc = NULL;
725 rv->track_gc = NULL;
726 rv->velocity_max = 5.0;
727 rv->velocity_min = 0.0;
728 rv->line_thickness = 1;
729 rv->bg_line_thickness = 0;
730 rv->current_wp = NULL;
731 rv->current_wp_name = NULL;
732 rv->current_track = NULL;
733 rv->current_tpl = NULL;
734 rv->current_tp_track_name = NULL;
735 rv->moving_tp = FALSE;
736 rv->moving_wp = FALSE;
737
738 rv->magic_scissors_started = FALSE;
739 rv->magic_scissors_check_added_track = FALSE;
740 rv->magic_scissors_added_track_name = NULL;
741 rv->magic_scissors_current_track = NULL;
742 rv->magic_scissors_append = FALSE;
743
744 rv->waypoint_rightclick = FALSE;
745 rv->last_tpl = NULL;
746 rv->last_tp_track_name = NULL;
747 rv->tpwin = NULL;
748 rv->image_cache = g_queue_new();
749 rv->image_size = 64;
750 rv->image_alpha = 255;
751 rv->image_cache_size = 300;
752 rv->drawimages = TRUE;
753 rv->drawlabels = TRUE;
754 return rv;
755}
756
757
758void vik_trw_layer_free ( VikTrwLayer *trwlayer )
759{
760 g_hash_table_destroy(trwlayer->waypoints);
761 g_hash_table_destroy(trwlayer->tracks);
762
763 /* ODC: replace with GArray */
764 trw_layer_free_track_gcs ( trwlayer );
765
766 if ( trwlayer->wp_right_click_menu )
767 gtk_object_sink ( GTK_OBJECT(trwlayer->wp_right_click_menu) );
768
769 if ( trwlayer->wplabellayout != NULL)
770 g_object_unref ( G_OBJECT ( trwlayer->wplabellayout ) );
771
772 if ( trwlayer->waypoint_gc != NULL )
773 g_object_unref ( G_OBJECT ( trwlayer->waypoint_gc ) );
774
775 if ( trwlayer->waypoint_text_gc != NULL )
776 g_object_unref ( G_OBJECT ( trwlayer->waypoint_text_gc ) );
777
778 if ( trwlayer->waypoint_bg_gc != NULL )
779 g_object_unref ( G_OBJECT ( trwlayer->waypoint_bg_gc ) );
780
781 if ( trwlayer->waypoint_font != NULL )
782 gdk_font_unref ( trwlayer->waypoint_font );
783
784 if ( trwlayer->tpwin != NULL )
785 gtk_widget_destroy ( GTK_WIDGET(trwlayer->tpwin) );
786
787 g_list_foreach ( trwlayer->image_cache->head, (GFunc) cached_pixbuf_free, NULL );
788 g_queue_free ( trwlayer->image_cache );
789}
790
791static void init_drawing_params ( struct DrawingParams *dp, VikViewport *vp )
792{
793 dp->vp = vp;
794 dp->xmpp = vik_viewport_get_xmpp ( vp );
795 dp->ympp = vik_viewport_get_ympp ( vp );
796 dp->width = vik_viewport_get_width ( vp );
797 dp->height = vik_viewport_get_height ( vp );
798 dp->center = vik_viewport_get_center ( vp );
799 dp->one_zone = vik_viewport_is_one_zone ( vp ); /* false if some other projection besides UTM */
800 dp->lat_lon = vik_viewport_get_coord_mode ( vp ) == VIK_COORD_LATLON;
801
802 if ( dp->one_zone )
803 {
804 gint w2, h2;
805 w2 = dp->xmpp * (dp->width / 2) + 1600 / dp->xmpp;
806 h2 = dp->ympp * (dp->height / 2) + 1600 / dp->ympp;
807 /* leniency -- for tracks. Obviously for waypoints this SHOULD be a lot smaller */
808
809 dp->ce1 = dp->center->east_west-w2;
810 dp->ce2 = dp->center->east_west+w2;
811 dp->cn1 = dp->center->north_south-h2;
812 dp->cn2 = dp->center->north_south+h2;
813 } else if ( dp->lat_lon ) {
814 VikCoord upperleft, bottomright;
815 /* quick & dirty calculation; really want to check all corners due to lat/lon smaller at top in northern hemisphere */
816 /* this also DOESN'T WORK if you are crossing 180/-180 lon. I don't plan to in the near future... */
817 vik_viewport_screen_to_coord ( vp, -500, -500, &upperleft );
818 vik_viewport_screen_to_coord ( vp, dp->width+500, dp->height+500, &bottomright );
819 dp->ce1 = upperleft.east_west;
820 dp->ce2 = bottomright.east_west;
821 dp->cn1 = bottomright.north_south;
822 dp->cn2 = upperleft.north_south;
823 }
824
825 dp->track_gc_iter = 0;
826}
827
828static gint calculate_velocity ( VikTrwLayer *vtl, VikTrackpoint *tp1, VikTrackpoint *tp2 )
829{
830 static gdouble rv = 0;
831 if ( tp1->has_timestamp && tp2->has_timestamp )
832 {
833 rv = ( vik_coord_diff ( &(tp1->coord), &(tp2->coord) )
834 / (tp1->timestamp - tp2->timestamp) ) - vtl->velocity_min;
835
836 if ( rv < 0 )
837 return VIK_TRW_LAYER_TRACK_GC_MIN;
838 else if ( vtl->velocity_min >= vtl->velocity_max )
839 return VIK_TRW_LAYER_TRACK_GC_MAX;
840
841 rv *= (VIK_TRW_LAYER_TRACK_GC_RATES / (vtl->velocity_max - vtl->velocity_min));
842
843 if ( rv >= VIK_TRW_LAYER_TRACK_GC_MAX )
844 return VIK_TRW_LAYER_TRACK_GC_MAX;
845 return (gint) rv;
846 }
847 else
848 return VIK_TRW_LAYER_TRACK_GC_BLACK;
849}
850
851void draw_utm_skip_insignia ( VikViewport *vvp, GdkGC *gc, gint x, gint y )
852{
853 vik_viewport_draw_line ( vvp, gc, x+5, y, x-5, y );
854 vik_viewport_draw_line ( vvp, gc, x, y+5, x, y-5 );
855 vik_viewport_draw_line ( vvp, gc, x+5, y+5, x-5, y-5 );
856 vik_viewport_draw_line ( vvp, gc, x+5, y-5, x-5, y+5 );
857}
858
859static void trw_layer_draw_track ( const gchar *name, VikTrack *track, struct DrawingParams *dp, gboolean drawing_white_background )
860{
861 /* TODO: this function is a mess, get rid of any redundancy */
862 GList *list = track->trackpoints;
863 gboolean useoldvals = TRUE;
864
865 gboolean drawpoints;
866 gboolean drawstops;
867 gboolean drawelevation;
868 gdouble min_alt, max_alt, alt_diff = 0;
869
870 const guint8 tp_size_reg = 2;
871 const guint8 tp_size_cur = 4;
872 guint8 tp_size;
873
874 if ( dp->vtl->drawelevation )
875 {
876 /* assume if it has elevation at the beginning, it has it throughout. not ness a true good assumption */
877 if ( ( drawelevation = vik_track_get_minmax_alt ( track, &min_alt, &max_alt ) ) )
878 alt_diff = max_alt - min_alt;
879 }
880
881 if ( ! track->visible )
882 return;
883
884 /* admittedly this is not an efficient way to do it because we go through the whole GC thing all over... */
885 if ( dp->vtl->bg_line_thickness && !drawing_white_background )
886 trw_layer_draw_track ( name, track, dp, TRUE );
887
888 if ( drawing_white_background )
889 drawpoints = drawstops = FALSE;
890 else {
891 drawpoints = dp->vtl->drawpoints;
892 drawstops = dp->vtl->drawstops;
893 }
894
895 if (list) {
896 int x, y, oldx, oldy;
897 VikTrackpoint *tp = VIK_TRACKPOINT(list->data);
898
899 tp_size = (list == dp->vtl->current_tpl) ? tp_size_cur : tp_size_reg;
900
901 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
902
903 if ( (drawpoints) && dp->track_gc_iter < VIK_TRW_LAYER_TRACK_GC )
904 {
905 GdkPoint trian[3] = { { x, y-(3*tp_size) }, { x-(2*tp_size), y+(2*tp_size) }, {x+(2*tp_size), y+(2*tp_size)} };
906 vik_viewport_draw_polygon ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, trian, 3 );
907 }
908
909 oldx = x;
910 oldy = y;
911
912 if ( dp->vtl->drawmode == DRAWMODE_ALL_BLACK )
913 dp->track_gc_iter = VIK_TRW_LAYER_TRACK_GC_MAX + 1;
914
915 while ((list = g_list_next(list)))
916 {
917 tp = VIK_TRACKPOINT(list->data);
918 tp_size = (list == dp->vtl->current_tpl) ? tp_size_cur : tp_size_reg;
919
920 /* check some stuff -- but only if we're in UTM and there's only ONE ZONE; or lat lon */
921 if ( (!dp->one_zone && !dp->lat_lon) || /* UTM & zones; do everything */
922 ( ((!dp->one_zone) || tp->coord.utm_zone == dp->center->utm_zone) && /* only check zones if UTM & one_zone */
923 tp->coord.east_west < dp->ce2 && tp->coord.east_west > dp->ce1 && /* both UTM and lat lon */
924 tp->coord.north_south > dp->cn1 && tp->coord.north_south < dp->cn2 ) )
925 {
926 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
927
928 if ( drawpoints && ! drawing_white_background )
929 {
930 if ( list->next ) {
931 vik_viewport_draw_rectangle ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, x-tp_size, y-tp_size, 2*tp_size, 2*tp_size );
932
933 vik_viewport_draw_rectangle ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, x-tp_size, y-tp_size, 2*tp_size, 2*tp_size );
934
935 /* stops */
936 if ( drawstops && VIK_TRACKPOINT(list->next->data)->timestamp - VIK_TRACKPOINT(list->data)->timestamp > dp->vtl->stop_length )
937 vik_viewport_draw_arc ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, 11), TRUE, x-(3*tp_size), y-(3*tp_size), 6*tp_size, 6*tp_size, 0, 360*64 );
938 }
939 else
940 vik_viewport_draw_arc ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, x-(2*tp_size), y-(2*tp_size), 4*tp_size, 4*tp_size, 0, 360*64 );
941 }
942
943 if ((!tp->newsegment) && (dp->vtl->drawlines))
944 {
945 VikTrackpoint *tp2 = VIK_TRACKPOINT(list->prev->data);
946
947 /* UTM only: zone check */
948 if ( drawpoints && dp->vtl->coord_mode == VIK_COORD_UTM && tp->coord.utm_zone != dp->center->utm_zone )
949 draw_utm_skip_insignia ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), x, y);
950
951 if ( dp->vtl->drawmode == DRAWMODE_BY_VELOCITY )
952 dp->track_gc_iter = calculate_velocity ( dp->vtl, tp, tp2 );
953
954 if (!useoldvals)
955 vik_viewport_coord_to_screen ( dp->vp, &(tp2->coord), &oldx, &oldy );
956
957 if ( drawing_white_background ) {
958 vik_viewport_draw_line ( dp->vp, dp->vtl->track_bg_gc, oldx, oldy, x, y);
959 }
960 else {
961
962 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy, x, y);
963 if ( dp->vtl->drawelevation && list && list->next && VIK_TRACKPOINT(list->next->data)->altitude != VIK_DEFAULT_ALTITUDE ) {
964 GdkPoint tmp[4];
965 #define FIXALTITUDE(what) ((VIK_TRACKPOINT((what))->altitude-min_alt)/alt_diff*DRAW_ELEVATION_FACTOR*dp->vtl->elevation_factor/dp->xmpp)
966 if ( list && list->next && VIK_TRACKPOINT(list->next->data)->altitude != VIK_DEFAULT_ALTITUDE ) {
967 tmp[0].x = oldx;
968 tmp[0].y = oldy;
969 tmp[1].x = oldx;
970 tmp[1].y = oldy-FIXALTITUDE(list->data);
971 tmp[2].x = x;
972 tmp[2].y = y-FIXALTITUDE(list->next->data);
973 tmp[3].x = x;
974 tmp[3].y = y;
975
976 GdkGC *tmp_gc;
977 if ( ((oldx - x) > 0 && (oldy - y) > 0) || ((oldx - x) < 0 && (oldy - y) < 0))
978 tmp_gc = GTK_WIDGET(dp->vp)->style->light_gc[3];
979 else
980 tmp_gc = GTK_WIDGET(dp->vp)->style->dark_gc[0];
981 vik_viewport_draw_polygon ( dp->vp, tmp_gc, TRUE, tmp, 4);
982 }
983 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy-FIXALTITUDE(list->data), x, y-FIXALTITUDE(list->next->data));
984 }
985 }
986 }
987
988 oldx = x;
989 oldy = y;
990 useoldvals = TRUE;
991 }
992 else {
993 if (useoldvals && dp->vtl->drawlines && (!tp->newsegment))
994 {
995 VikTrackpoint *tp2 = VIK_TRACKPOINT(list->prev->data);
996 if ( dp->vtl->coord_mode != VIK_COORD_UTM || tp->coord.utm_zone == dp->center->utm_zone )
997 {
998 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
999 if ( dp->vtl->drawmode == DRAWMODE_BY_VELOCITY )
1000 dp->track_gc_iter = calculate_velocity ( dp->vtl, tp, tp2 );
1001
1002 if ( drawing_white_background )
1003 vik_viewport_draw_line ( dp->vp, dp->vtl->track_bg_gc, oldx, oldy, x, y);
1004 else
1005 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy, x, y);
1006 }
1007 else
1008 {
1009 vik_viewport_coord_to_screen ( dp->vp, &(tp2->coord), &x, &y );
1010 draw_utm_skip_insignia ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), x, y );
1011 }
1012 }
1013 useoldvals = FALSE;
1014 }
1015 }
1016 }
1017 if ( dp->vtl->drawmode == DRAWMODE_BY_TRACK )
1018 if ( ++(dp->track_gc_iter) >= VIK_TRW_LAYER_TRACK_GC )
1019 dp->track_gc_iter = 0;
1020}
1021
1022/* the only reason this exists is so that trw_layer_draw_track can first call itself to draw the white track background */
1023static void trw_layer_draw_track_cb ( const gchar *name, VikTrack *track, struct DrawingParams *dp )
1024{
1025 trw_layer_draw_track ( name, track, dp, FALSE );
1026}
1027
1028static void cached_pixbuf_free ( CachedPixbuf *cp )
1029{
1030 g_object_unref ( G_OBJECT(cp->pixbuf) );
1031 g_free ( cp->image );
1032}
1033
1034static gint cached_pixbuf_cmp ( CachedPixbuf *cp, const gchar *name )
1035{
1036 return strcmp ( cp->image, name );
1037}
1038
1039static void trw_layer_draw_waypoint ( const gchar *name, VikWaypoint *wp, struct DrawingParams *dp )
1040{
1041 if ( wp->visible )
1042 if ( (!dp->one_zone) || ( wp->coord.utm_zone == dp->center->utm_zone &&
1043 wp->coord.east_west < dp->ce2 && wp->coord.east_west > dp->ce1 &&
1044 wp->coord.north_south > dp->cn1 && wp->coord.north_south < dp->cn2 ) )
1045 {
1046 gint x, y;
1047 GdkPixbuf *sym;
1048 vik_viewport_coord_to_screen ( dp->vp, &(wp->coord), &x, &y );
1049
1050 /* if in shrunken_cache, get that. If not, get and add to shrunken_cache */
1051
1052 if ( wp->image && dp->vtl->drawimages )
1053 {
1054 GdkPixbuf *pixbuf = NULL;
1055 GList *l;
1056
1057 if ( dp->vtl->image_alpha == 0)
1058 return;
1059
1060 l = g_list_find_custom ( dp->vtl->image_cache->head, wp->image, (GCompareFunc) cached_pixbuf_cmp );
1061 if ( l )
1062 pixbuf = ((CachedPixbuf *) l->data)->pixbuf;
1063 else
1064 {
1065 gchar *image = wp->image;
1066 GdkPixbuf *regularthumb = a_thumbnails_get ( wp->image );
1067 if ( ! regularthumb )
1068 {
1069 regularthumb = a_thumbnails_get_default (); /* cache one 'not yet loaded' for all thumbs not loaded */
1070 image = "\x12\x00"; /* this shouldn't occur naturally. */
1071 }
1072 if ( regularthumb )
1073 {
1074 CachedPixbuf *cp = NULL;
1075 cp = g_malloc ( sizeof ( CachedPixbuf ) );
1076 if ( dp->vtl->image_size == 128 )
1077 cp->pixbuf = regularthumb;
1078 else
1079 {
1080 cp->pixbuf = a_thumbnails_scale_pixbuf(regularthumb, dp->vtl->image_size, dp->vtl->image_size);
1081 g_assert ( cp->pixbuf );
1082 g_object_unref ( G_OBJECT(regularthumb) );
1083 }
1084 cp->image = g_strdup ( image );
1085
1086 /* needed so 'click picture' tool knows how big the pic is; we don't
1087 * store it in cp because they may have been freed already. */
1088 wp->image_width = gdk_pixbuf_get_width ( cp->pixbuf );
1089 wp->image_height = gdk_pixbuf_get_height ( cp->pixbuf );
1090
1091 g_queue_push_head ( dp->vtl->image_cache, cp );
1092 if ( dp->vtl->image_cache->length > dp->vtl->image_cache_size )
1093 cached_pixbuf_free ( g_queue_pop_tail ( dp->vtl->image_cache ) );
1094
1095 pixbuf = cp->pixbuf;
1096 }
1097 else
1098 {
1099 pixbuf = a_thumbnails_get_default (); /* thumbnail not yet loaded */
1100 }
1101 }
1102 if ( pixbuf )
1103 {
1104 gint w, h;
1105 w = gdk_pixbuf_get_width ( pixbuf );
1106 h = gdk_pixbuf_get_height ( pixbuf );
1107
1108 if ( x+(w/2) > 0 && y+(h/2) > 0 && x-(w/2) < dp->width && y-(h/2) < dp->height ) /* always draw within boundaries */
1109 {
1110 if ( dp->vtl->image_alpha == 255 )
1111 vik_viewport_draw_pixbuf ( dp->vp, pixbuf, 0, 0, x - (w/2), y - (h/2), w, h );
1112 else
1113 vik_viewport_draw_pixbuf_with_alpha ( dp->vp, pixbuf, dp->vtl->image_alpha, 0, 0, x - (w/2), y - (h/2), w, h );
1114 }
1115 return; /* if failed to draw picture, default to drawing regular waypoint (below) */
1116 }
1117 }
1118
1119 /* DRAW ACTUAL DOT */
1120 if ( dp->vtl->wp_draw_symbols && wp->symbol && (sym = a_get_wp_sym(wp->symbol)) ) {
1121 vik_viewport_draw_pixbuf ( dp->vp, sym, 0, 0, x - gdk_pixbuf_get_width(sym)/2, y - gdk_pixbuf_get_height(sym)/2, -1, -1 );
1122 }
1123 else if ( wp == dp->vtl->current_wp ) {
1124 switch ( dp->vtl->wp_symbol ) {
1125 case WP_SYMBOL_FILLED_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, TRUE, x - (dp->vtl->wp_size), y - (dp->vtl->wp_size), dp->vtl->wp_size*2, dp->vtl->wp_size*2 ); break;
1126 case WP_SYMBOL_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, FALSE, x - (dp->vtl->wp_size), y - (dp->vtl->wp_size), dp->vtl->wp_size*2, dp->vtl->wp_size*2 ); break;
1127 case WP_SYMBOL_CIRCLE: vik_viewport_draw_arc ( dp->vp, dp->vtl->waypoint_gc, TRUE, x - dp->vtl->wp_size, y - dp->vtl->wp_size, dp->vtl->wp_size, dp->vtl->wp_size, 0, 360*64 ); break;
1128 case WP_SYMBOL_X: vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x - dp->vtl->wp_size*2, y - dp->vtl->wp_size*2, x + dp->vtl->wp_size*2, y + dp->vtl->wp_size*2 );
1129 vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x - dp->vtl->wp_size*2, y + dp->vtl->wp_size*2, x + dp->vtl->wp_size*2, y - dp->vtl->wp_size*2 );
1130 }
1131 }
1132 else {
1133 switch ( dp->vtl->wp_symbol ) {
1134 case WP_SYMBOL_FILLED_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, TRUE, x - dp->vtl->wp_size/2, y - dp->vtl->wp_size/2, dp->vtl->wp_size, dp->vtl->wp_size ); break;
1135 case WP_SYMBOL_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, FALSE, x - dp->vtl->wp_size/2, y - dp->vtl->wp_size/2, dp->vtl->wp_size, dp->vtl->wp_size ); break;
1136 case WP_SYMBOL_CIRCLE: vik_viewport_draw_arc ( dp->vp, dp->vtl->waypoint_gc, TRUE, x-dp->vtl->wp_size/2, y-dp->vtl->wp_size/2, dp->vtl->wp_size, dp->vtl->wp_size, 0, 360*64 ); break;
1137 case WP_SYMBOL_X: vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x-dp->vtl->wp_size, y-dp->vtl->wp_size, x+dp->vtl->wp_size, y+dp->vtl->wp_size );
1138 vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x-dp->vtl->wp_size, y+dp->vtl->wp_size, x+dp->vtl->wp_size, y-dp->vtl->wp_size ); break;
1139 }
1140 }
1141
1142 if ( dp->vtl->drawlabels )
1143 {
1144 /* thanks to the GPSDrive people (Fritz Ganter et al.) for hints on this part ... yah, I'm too lazy to study documentation */
1145 gint width, height;
1146 pango_layout_set_text ( dp->vtl->wplabellayout, name, -1 );
1147 pango_layout_get_pixel_size ( dp->vtl->wplabellayout, &width, &height );
1148 vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_bg_gc, TRUE, x + dp->vtl->wp_size - 1, y-1,width+1,height-1);
1149 vik_viewport_draw_layout ( dp->vp, dp->vtl->waypoint_text_gc, x + dp->vtl->wp_size, y, dp->vtl->wplabellayout );
1150 }
1151 }
1152}
1153
1154void vik_trw_layer_draw ( VikTrwLayer *l, gpointer data )
1155{
1156 static struct DrawingParams dp;
1157 g_assert ( l != NULL );
1158
1159 init_drawing_params ( &dp, VIK_VIEWPORT(data) );
1160 dp.vtl = l;
1161
1162 if ( l->tracks_visible )
1163 g_hash_table_foreach ( l->tracks, (GHFunc) trw_layer_draw_track_cb, &dp );
1164
1165 if (l->waypoints_visible)
1166 g_hash_table_foreach ( l->waypoints, (GHFunc) trw_layer_draw_waypoint, &dp );
1167}
1168
1169static void trw_layer_free_track_gcs ( VikTrwLayer *vtl )
1170{
1171 int i;
1172 if ( vtl->track_bg_gc )
1173 {
1174 g_object_unref ( vtl->track_bg_gc );
1175 vtl->track_bg_gc = NULL;
1176 }
1177
1178 if ( ! vtl->track_gc )
1179 return;
1180 for ( i = vtl->track_gc->len - 1; i >= 0; i-- )
1181 g_object_unref ( g_array_index ( vtl->track_gc, GObject *, i ) );
1182 g_array_free ( vtl->track_gc, TRUE );
1183 vtl->track_gc = NULL;
1184}
1185
1186static void trw_layer_new_track_gcs ( VikTrwLayer *vtl, VikViewport *vp )
1187{
1188 GdkGC *gc[ VIK_TRW_LAYER_TRACK_GC ];
1189 gint width = vtl->line_thickness;
1190
1191 if ( vtl->track_gc )
1192 trw_layer_free_track_gcs ( vtl );
1193
1194 if ( vtl->track_bg_gc )
1195 g_object_unref ( vtl->track_bg_gc );
1196 vtl->track_bg_gc = vik_viewport_new_gc ( vp, "#FFFFFF", width + vtl->bg_line_thickness );
1197
1198 vtl->track_gc = g_array_sized_new ( FALSE, FALSE, sizeof ( GdkGC * ), VIK_TRW_LAYER_TRACK_GC );
1199
1200 gc[0] = vik_viewport_new_gc ( vp, "#2d870a", width ); /* below range */
1201
1202 gc[1] = vik_viewport_new_gc ( vp, "#0a8742", width );
1203 gc[2] = vik_viewport_new_gc ( vp, "#0a8783", width );
1204 gc[3] = vik_viewport_new_gc ( vp, "#0a4d87", width );
1205 gc[4] = vik_viewport_new_gc ( vp, "#05469f", width );
1206 gc[5] = vik_viewport_new_gc ( vp, "#1b059f", width );
1207 gc[6] = vik_viewport_new_gc ( vp, "#2d059f", width );
1208 gc[7] = vik_viewport_new_gc ( vp, "#4a059f", width );
1209 gc[8] = vik_viewport_new_gc ( vp, "#84059f", width );
1210 gc[9] = vik_viewport_new_gc ( vp, "#96059f", width );
1211 gc[10] = vik_viewport_new_gc ( vp, "#f22ef2", width );
1212
1213 gc[11] = vik_viewport_new_gc ( vp, "#ff0000", width ); /* above range */
1214
1215 gc[12] = vik_viewport_new_gc ( vp, "#000000", width ); /* black / no speed data */
1216
1217 g_array_append_vals ( vtl->track_gc, gc, VIK_TRW_LAYER_TRACK_GC );
1218}
1219
1220VikTrwLayer *vik_trw_layer_create ( VikViewport *vp )
1221{
1222 VikTrwLayer *rv = vik_trw_layer_new ( 0 );
1223 PangoFontDescription *pfd;
1224 rv->wplabellayout = gtk_widget_create_pango_layout (GTK_WIDGET(vp), NULL);
1225 pfd = pango_font_description_from_string (WAYPOINT_FONT);
1226 pango_layout_set_font_description (rv->wplabellayout, pfd);
1227 /* freeing PangoFontDescription, cause it has been copied by prev. call */
1228 pango_font_description_free (pfd);
1229
1230 vik_layer_rename ( VIK_LAYER(rv), vik_trw_layer_interface.name );
1231
1232 trw_layer_new_track_gcs ( rv, vp );
1233
1234 rv->waypoint_gc = vik_viewport_new_gc ( vp, "#000000", 2 );
1235 rv->waypoint_text_gc = vik_viewport_new_gc ( vp, "#FFFFFF", 1 );
1236 rv->waypoint_bg_gc = vik_viewport_new_gc ( vp, "#8383C4", 1 );
1237 gdk_gc_set_function ( rv->waypoint_bg_gc, GDK_AND );
1238
1239 rv->waypoint_font = gdk_font_load ( "-*-helvetica-bold-r-normal-*-*-100-*-*-p-*-iso8859-1" );
1240
1241 rv->has_verified_thumbnails = FALSE;
1242 rv->wp_symbol = WP_SYMBOL_FILLED_SQUARE;
1243 rv->wp_size = 4;
1244 rv->wp_draw_symbols = TRUE;
1245
1246 rv->coord_mode = vik_viewport_get_coord_mode ( vp );
1247
1248 rv->menu_selection = vik_layer_get_interface(VIK_LAYER(rv)->type)->menu_items_selection;
1249
1250 return rv;
1251}
1252
1253static void trw_layer_realize_track ( gchar *name, VikTrack *track, gpointer pass_along[4] )
1254{
1255 GtkTreeIter *new_iter = g_malloc(sizeof(GtkTreeIter));
1256
1257#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1258 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1259#else
1260 vik_treeview_add_sublayer ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1261#endif
1262
1263 *new_iter = *((GtkTreeIter *) pass_along[1]);
1264 g_hash_table_insert ( VIK_TRW_LAYER(pass_along[2])->tracks_iters, name, new_iter );
1265
1266 if ( ! track->visible )
1267 vik_treeview_item_set_visible ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[1], FALSE );
1268}
1269
1270static void trw_layer_realize_waypoint ( gchar *name, VikWaypoint *wp, gpointer pass_along[4] )
1271{
1272 GtkTreeIter *new_iter = g_malloc(sizeof(GtkTreeIter));
1273#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1274 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1275#else
1276 vik_treeview_add_sublayer ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1277#endif
1278
1279 *new_iter = *((GtkTreeIter *) pass_along[1]);
1280 g_hash_table_insert ( VIK_TRW_LAYER(pass_along[2])->waypoints_iters, name, new_iter );
1281
1282 if ( ! wp->visible )
1283 vik_treeview_item_set_visible ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[1], FALSE );
1284}
1285
1286
1287void vik_trw_layer_realize ( VikTrwLayer *vtl, VikTreeview *vt, GtkTreeIter *layer_iter )
1288{
1289 GtkTreeIter iter2;
1290 gpointer pass_along[5] = { &(vtl->tracks_iter), &iter2, vtl, vt, (gpointer) VIK_TRW_LAYER_SUBLAYER_TRACK };
1291
1292#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1293 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) vt, layer_iter, &(vtl->tracks_iter), "Tracks", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_TRACKS, NULL, TRUE, FALSE );
1294#else
1295 vik_treeview_add_sublayer ( (VikTreeview *) vt, layer_iter, &(vtl->tracks_iter), "Tracks", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_TRACKS, NULL, TRUE, FALSE );
1296#endif
1297 if ( ! vtl->tracks_visible )
1298 vik_treeview_item_set_visible ( (VikTreeview *) vt, &(vtl->tracks_iter), FALSE );
1299
1300 g_hash_table_foreach ( vtl->tracks, (GHFunc) trw_layer_realize_track, pass_along );
1301
1302#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1303 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) vt, layer_iter, &(vtl->waypoints_iter), "Waypoints", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINTS, NULL, TRUE, FALSE );
1304#else
1305 vik_treeview_add_sublayer ( (VikTreeview *) vt, layer_iter, &(vtl->waypoints_iter), "Waypoints", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINTS, NULL, TRUE, FALSE );
1306#endif
1307
1308 if ( ! vtl->waypoints_visible )
1309 vik_treeview_item_set_visible ( (VikTreeview *) vt, &(vtl->waypoints_iter), FALSE );
1310
1311 pass_along[0] = &(vtl->waypoints_iter);
1312 pass_along[4] = (gpointer) VIK_TRW_LAYER_SUBLAYER_WAYPOINT;
1313
1314 g_hash_table_foreach ( vtl->waypoints, (GHFunc) trw_layer_realize_waypoint, pass_along );
1315
1316}
1317
1318gboolean vik_trw_layer_sublayer_toggle_visible ( VikTrwLayer *l, gint subtype, gpointer sublayer )
1319{
1320 switch ( subtype )
1321 {
1322 case VIK_TRW_LAYER_SUBLAYER_TRACKS: return (l->tracks_visible ^= 1);
1323 case VIK_TRW_LAYER_SUBLAYER_WAYPOINTS: return (l->waypoints_visible ^= 1);
1324 case VIK_TRW_LAYER_SUBLAYER_TRACK:
1325 {
1326 VikTrack *t = g_hash_table_lookup ( l->tracks, sublayer );
1327 if (t)
1328 return (t->visible ^= 1);
1329 else
1330 return TRUE;
1331 }
1332 case VIK_TRW_LAYER_SUBLAYER_WAYPOINT:
1333 {
1334 VikWaypoint *t = g_hash_table_lookup ( l->waypoints, sublayer );
1335 if (t)
1336 return (t->visible ^= 1);
1337 else
1338 return TRUE;
1339 }
1340 }
1341 return TRUE;
1342}
1343
1344GHashTable *vik_trw_layer_get_tracks ( VikTrwLayer *l )
1345{
1346 return l->tracks;
1347}
1348
1349GHashTable *vik_trw_layer_get_waypoints ( VikTrwLayer *l )
1350{
1351 return l->waypoints;
1352}
1353
1354static void trw_layer_find_maxmin_waypoints ( const gchar *name, const VikWaypoint *w, struct LatLon maxmin[2] )
1355{
1356 static VikCoord fixme;
1357 vik_coord_copy_convert ( &(w->coord), VIK_COORD_LATLON, &fixme );
1358 if ( VIK_LATLON(&fixme)->lat > maxmin[0].lat || maxmin[0].lat == 0.0 )
1359 maxmin[0].lat = VIK_LATLON(&fixme)->lat;
1360 if ( VIK_LATLON(&fixme)->lat < maxmin[1].lat || maxmin[1].lat == 0.0 )
1361 maxmin[1].lat = VIK_LATLON(&fixme)->lat;
1362 if ( VIK_LATLON(&fixme)->lon > maxmin[0].lon || maxmin[0].lon == 0.0 )
1363 maxmin[0].lon = VIK_LATLON(&fixme)->lon;
1364 if ( VIK_LATLON(&fixme)->lon < maxmin[1].lon || maxmin[1].lon == 0.0 )
1365 maxmin[1].lon = VIK_LATLON(&fixme)->lon;
1366}
1367
1368static void trw_layer_find_maxmin_tracks ( const gchar *name, GList **t, struct LatLon maxmin[2] )
1369{
1370 GList *tr = *t;
1371 static VikCoord fixme;
1372
1373 while ( tr )
1374 {
1375 vik_coord_copy_convert ( &(VIK_TRACKPOINT(tr->data)->coord), VIK_COORD_LATLON, &fixme );
1376 if ( VIK_LATLON(&fixme)->lat > maxmin[0].lat || maxmin[0].lat == 0.0 )
1377 maxmin[0].lat = VIK_LATLON(&fixme)->lat;
1378 if ( VIK_LATLON(&fixme)->lat < maxmin[1].lat || maxmin[1].lat == 0.0 )
1379 maxmin[1].lat = VIK_LATLON(&fixme)->lat;
1380 if ( VIK_LATLON(&fixme)->lon > maxmin[0].lon || maxmin[0].lon == 0.0 )
1381 maxmin[0].lon = VIK_LATLON(&fixme)->lon;
1382 if ( VIK_LATLON(&fixme)->lon < maxmin[1].lon || maxmin[1].lon == 0.0 )
1383 maxmin[1].lon = VIK_LATLON(&fixme)->lon;
1384 tr = tr->next;
1385 }
1386}
1387
1388
1389gboolean vik_trw_layer_find_center ( VikTrwLayer *vtl, VikCoord *dest )
1390{
1391 /* TODO: what if there's only one waypoint @ 0,0, it will think nothing found. like I don't have more important things to worry about... */
1392 struct LatLon maxmin[2] = { {0.0,0.0}, {0.0,0.0} };
1393 g_hash_table_foreach ( vtl->waypoints, (GHFunc) trw_layer_find_maxmin_waypoints, maxmin );
1394 g_hash_table_foreach ( vtl->tracks, (GHFunc) trw_layer_find_maxmin_tracks, maxmin );
1395 if (maxmin[0].lat == 0.0 && maxmin[0].lon == 0.0 && maxmin[1].lat == 0.0 && maxmin[1].lon == 0.0)
1396 return FALSE;
1397 else
1398 {
1399 struct LatLon average = { (maxmin[0].lat+maxmin[1].lat)/2, (maxmin[0].lon+maxmin[1].lon)/2 };
1400 vik_coord_load_from_latlon ( dest, vtl->coord_mode, &average );
1401 return TRUE;
1402 }
1403}
1404
1405static void trw_layer_centerize ( gpointer layer_and_vlp[2] )
1406{
1407 VikCoord coord;
1408 if ( vik_trw_layer_find_center ( VIK_TRW_LAYER(layer_and_vlp[0]), &coord ) )
1409 goto_coord ( VIK_LAYERS_PANEL(layer_and_vlp[1]), &coord );
1410 else
1411 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "This layer has no waypoints or trackpoints." );
1412}
1413
1414static void trw_layer_export ( gpointer layer_and_vlp[2], guint file_type )
1415{
1416 GtkWidget *file_selector;
1417 const gchar *fn;
1418 gboolean failed = FALSE;
1419 file_selector = gtk_file_selection_new ("Export Layer");
1420 gtk_file_selection_set_filename (GTK_FILE_SELECTION(file_selector), vik_layer_get_name(VIK_LAYER(layer_and_vlp[0])));
1421
1422 while ( gtk_dialog_run ( GTK_DIALOG(file_selector) ) == GTK_RESPONSE_OK )
1423 {
1424 fn = gtk_file_selection_get_filename (GTK_FILE_SELECTION(file_selector) );
1425 if ( access ( fn, F_OK ) != 0 )
1426 {
1427 gtk_widget_hide ( file_selector );
1428 failed = ! a_file_export ( VIK_TRW_LAYER(layer_and_vlp[0]), fn, file_type );
1429 break;
1430 }
1431 else
1432 {
1433 if ( a_dialog_overwrite ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "The file \"%s\" exists, do you wish to overwrite it?", a_file_basename ( fn ) ) )
1434 {
1435 gtk_widget_hide ( file_selector );
1436 failed = ! a_file_export ( VIK_TRW_LAYER(layer_and_vlp[0]), fn, file_type );
1437 break;
1438 }
1439 }
1440 }
1441 gtk_widget_destroy ( file_selector );
1442 if ( failed )
1443 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "The filename you requested could not be opened for writing." );
1444}
1445
1446static void trw_layer_export_gpspoint ( gpointer layer_and_vlp[2] )
1447{
1448 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPSPOINT );
1449}
1450
1451static void trw_layer_export_gpsmapper ( gpointer layer_and_vlp[2] )
1452{
1453 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPSMAPPER );
1454}
1455
1456static void trw_layer_export_gpx ( gpointer layer_and_vlp[2] )
1457{
1458 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPX );
1459}
1460
1461static void trw_layer_goto_wp ( gpointer layer_and_vlp[2] )
1462{
1463 GHashTable *wps = vik_trw_layer_get_waypoints ( VIK_TRW_LAYER(layer_and_vlp[0]) );
1464 GtkWidget *dia = gtk_dialog_new_with_buttons ("Create",
1465 VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]),
1466 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
1467 GTK_STOCK_CANCEL,
1468 GTK_RESPONSE_REJECT,
1469 GTK_STOCK_OK,
1470 GTK_RESPONSE_ACCEPT,
1471 NULL);
1472
1473 GtkWidget *label, *entry;
1474 label = gtk_label_new("Waypoint Name:");
1475 entry = gtk_entry_new();
1476
1477 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dia)->vbox), label, FALSE, FALSE, 0);
1478 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dia)->vbox), entry, FALSE, FALSE, 0);
1479 gtk_widget_show_all ( label );
1480 gtk_widget_show_all ( entry );
1481
1482 while ( gtk_dialog_run ( GTK_DIALOG(dia) ) == GTK_RESPONSE_ACCEPT )
1483 {
1484 VikWaypoint *wp;
1485 gchar *upname = g_strdup(gtk_entry_get_text(GTK_ENTRY(entry)));
1486 int i;
1487
1488 for ( i = strlen(upname)-1; i >= 0; i-- )
1489 upname[i] = toupper(upname[i]);
1490
1491 wp = g_hash_table_lookup ( wps, upname );
1492
1493 if (!wp)
1494 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "Waypoint not found in this layer." );
1495 else
1496 {
1497 vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(layer_and_vlp[1])), &(wp->coord) );
1498 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(layer_and_vlp[1]) );
1499 vik_treeview_select_iter ( VIK_LAYER(layer_and_vlp[0])->vt, g_hash_table_lookup ( VIK_TRW_LAYER(layer_and_vlp[0])->waypoints_iters, upname ) );
1500 break;
1501 }
1502
1503 g_free ( upname );
1504
1505 }
1506 gtk_widget_destroy ( dia );
1507}
1508
1509gboolean vik_trw_layer_new_waypoint ( VikTrwLayer *vtl, GtkWindow *w, const VikCoord *def_coord )
1510{
1511 gchar *name;
1512 VikWaypoint *wp = vik_waypoint_new();
1513 wp->coord = *def_coord;
1514 wp->altitude = VIK_DEFAULT_ALTITUDE;
1515
1516 if ( a_dialog_new_waypoint ( w, &name, wp, vik_trw_layer_get_waypoints ( vtl ), vtl->coord_mode ) )
1517 {
1518 wp->visible = TRUE;
1519 vik_trw_layer_add_waypoint ( vtl, name, wp );
1520 return TRUE;
1521 }
1522 vik_waypoint_free(wp);
1523 return FALSE;
1524}
1525
1526static void trw_layer_new_wp ( gpointer lav[2] )
1527{
1528 VikTrwLayer *vtl = VIK_TRW_LAYER(lav[0]);
1529 VikLayersPanel *vlp = VIK_LAYERS_PANEL(lav[1]);
1530 /* TODO longone: okay, if layer above (aggregate) is invisible but vtl->visible is true, this redraws for no reason.
1531 instead return true if you want to update. */
1532 if ( vik_trw_layer_new_waypoint ( vtl, VIK_GTK_WINDOW_FROM_LAYER(vtl), vik_viewport_get_center(vik_layers_panel_get_viewport(vlp))) && VIK_LAYER(vtl)->visible )
1533 vik_layers_panel_emit_update ( vlp );
1534}
1535
1536void vik_trw_layer_add_menu_items ( VikTrwLayer *vtl, GtkMenu *menu, gpointer vlp )
1537{
1538 static gpointer pass_along[2];
1539 GtkWidget *item;
1540 GtkWidget *export_submenu;
1541 pass_along[0] = vtl;
1542 pass_along[1] = vlp;
1543
1544 item = gtk_menu_item_new();
1545 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
1546 gtk_widget_show ( item );
1547
1548 item = gtk_menu_item_new_with_label ( "Goto Center of Layer" );
1549 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_centerize), pass_along );
1550 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1551 gtk_widget_show ( item );
1552
1553 item = gtk_menu_item_new_with_label ( "Goto Waypoint" );
1554 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_wp), pass_along );
1555 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1556 gtk_widget_show ( item );
1557
1558 export_submenu = gtk_menu_new ();
1559 item = gtk_menu_item_new_with_label ( "Export layer" );
1560 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1561 gtk_widget_show ( item );
1562 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), export_submenu );
1563
1564 item = gtk_menu_item_new_with_label ( "Export as GPSPoint" );
1565 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpspoint), pass_along );
1566 gtk_menu_shell_append (GTK_MENU_SHELL (export_submenu), item);
1567 gtk_widget_show ( item );
1568
1569 item = gtk_menu_item_new_with_label ( "Export as GPSMapper" );
1570 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpsmapper), pass_along );
1571 gtk_menu_shell_append (GTK_MENU_SHELL (export_submenu), item);
1572 gtk_widget_show ( item );
1573
1574 item = gtk_menu_item_new_with_label ( "Export as GPX" );
1575 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpx), pass_along );
1576 gtk_menu_shell_append (GTK_MENU_SHELL (export_submenu), item);
1577 gtk_widget_show ( item );
1578
1579 item = gtk_menu_item_new_with_label ( "New Waypoint" );
1580 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_new_wp), pass_along );
1581 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1582 gtk_widget_show ( item );
1583
1584#ifdef VIK_CONFIG_OPENSTREETMAP
1585 item = gtk_menu_item_new_with_label ( "Upload to OSM" );
1586 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(osm_traces_upload_cb), pass_along );
1587 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1588 gtk_widget_show ( item );
1589#endif
1590}
1591
1592void vik_trw_layer_add_waypoint ( VikTrwLayer *vtl, gchar *name, VikWaypoint *wp )
1593{
1594 if ( VIK_LAYER(vtl)->realized )
1595 {
1596 VikWaypoint *oldwp = VIK_WAYPOINT ( g_hash_table_lookup ( vtl->waypoints, name ) );
1597 if ( oldwp )
1598 wp->visible = oldwp->visible; /* same visibility so we don't have to update viktreeview */
1599 else
1600 {
1601 GtkTreeIter *iter = g_malloc(sizeof(GtkTreeIter));
1602#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1603 vik_treeview_add_sublayer_alphabetized ( VIK_LAYER(vtl)->vt, &(vtl->waypoints_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, NULL, TRUE, TRUE );
1604#else
1605 vik_treeview_add_sublayer ( VIK_LAYER(vtl)->vt, &(vtl->waypoints_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, NULL, TRUE, TRUE );
1606#endif
1607 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, iter );
1608 g_hash_table_insert ( vtl->waypoints_iters, name, iter );
1609 wp->visible = TRUE;
1610 }
1611 }
1612 else
1613 wp->visible = TRUE;
1614
1615 g_hash_table_insert ( vtl->waypoints, name, wp );
1616
1617}
1618
1619void vik_trw_layer_add_track ( VikTrwLayer *vtl, gchar *name, VikTrack *t )
1620{
1621 if ( VIK_LAYER(vtl)->realized )
1622 {
1623 VikTrack *oldt = VIK_TRACK ( g_hash_table_lookup ( vtl->tracks, name ) );
1624 if ( oldt )
1625 t->visible = oldt->visible; /* same visibility so we don't have to update viktreeview */
1626 else
1627 {
1628 GtkTreeIter *iter = g_malloc(sizeof(GtkTreeIter));
1629#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1630 vik_treeview_add_sublayer_alphabetized ( VIK_LAYER(vtl)->vt, &(vtl->tracks_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_TRACK, NULL, TRUE, TRUE );
1631#else
1632 vik_treeview_add_sublayer ( VIK_LAYER(vtl)->vt, &(vtl->tracks_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_TRACK, NULL, TRUE, TRUE );
1633#endif
1634 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, iter );
1635 g_hash_table_insert ( vtl->tracks_iters, name, iter );
1636 /* t->visible = TRUE; */
1637 }
1638 }
1639 else
1640 ; /* t->visible = TRUE; // this is now used by file input functions */
1641
1642 g_hash_table_insert ( vtl->tracks, name, t );
1643
1644}
1645
1646static gboolean uppercase_exists_in_hash ( GHashTable *hash, const gchar *str )
1647{
1648 gchar *upp = g_strdup ( str );
1649 gboolean rv;
1650 char *tmp = upp;
1651 while ( *tmp )
1652 {
1653 *tmp = toupper(*tmp);
1654 tmp++;
1655 }
1656 rv = g_hash_table_lookup ( hash, upp ) ? TRUE : FALSE;
1657 g_free (upp);
1658 return rv;
1659}
1660
1661/* to be called whenever a track has been deleted or may have been changed. */
1662static void trw_layer_cancel_tps_of_track ( VikTrwLayer *vtl, const gchar *trk_name )
1663{
1664 if (vtl->current_tp_track_name && g_strcasecmp(trk_name, vtl->current_tp_track_name) == 0)
1665 trw_layer_cancel_current_tp ( vtl, FALSE );
1666 else if (vtl->last_tp_track_name && g_strcasecmp(trk_name, vtl->last_tp_track_name) == 0)
1667 trw_layer_cancel_last_tp ( vtl );
1668}
1669
1670static gchar *get_new_unique_sublayer_name (VikTrwLayer *vtl, gint sublayer_type, const gchar *name)
1671{
1672 gint i = 2;
1673 gchar *newname = g_strdup(name);
1674 while ((sublayer_type == VIK_TRW_LAYER_SUBLAYER_TRACK) ?
1675 (void *)vik_trw_layer_get_track(vtl, newname) : (void *)vik_trw_layer_get_waypoint(vtl, newname)) {
1676 gchar *new_newname = g_strdup_printf("%s#%d", name, i);
1677 g_free(newname);
1678 newname = new_newname;
1679 i++;
1680 }
1681 return newname;
1682}
1683
1684void vik_trw_layer_filein_add_waypoint ( VikTrwLayer *vtl, gchar *name, VikWaypoint *wp )
1685{
1686 vik_trw_layer_add_waypoint ( vtl,
1687 get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, name),
1688 wp );
1689}
1690void vik_trw_layer_filein_add_track ( VikTrwLayer *vtl, gchar *name, VikTrack *tr )
1691{
1692 if ( vtl->magic_scissors_append && vtl->magic_scissors_current_track ) {
1693 vik_track_steal_and_append_trackpoints ( vtl->magic_scissors_current_track, tr );
1694 vik_track_free ( tr );
1695 vtl->magic_scissors_append = FALSE; /* this means we have added it */
1696 } else {
1697 gchar *new_name = get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_TRACK, name);
1698 vik_trw_layer_add_track ( vtl, new_name, tr );
1699
1700 if ( vtl->magic_scissors_check_added_track ) {
1701 if ( vtl->magic_scissors_added_track_name ) /* for google routes */
1702 g_free ( vtl->magic_scissors_added_track_name );
1703 vtl->magic_scissors_added_track_name = g_strdup(new_name);
1704 }
1705 }
1706}
1707
1708static void trw_layer_enum_item ( const gchar *name, GList **tr, GList **l )
1709{
1710 *l = g_list_append(*l, (gpointer)name);
1711}
1712
1713static void trw_layer_move_item ( VikTrwLayer *vtl_src, VikTrwLayer *vtl_dest, gchar *name, gint type )
1714{
1715 gchar *newname = get_new_unique_sublayer_name(vtl_dest, type, name);
1716 if (type == VIK_TRW_LAYER_SUBLAYER_TRACK) {
1717 VikTrack *t;
1718 t = vik_track_copy(vik_trw_layer_get_track(vtl_src, name));
1719 vik_trw_layer_delete_track(vtl_src, name);
1720 vik_trw_layer_add_track(vtl_dest, newname, t);
1721 }
1722 if (type==VIK_TRW_LAYER_SUBLAYER_WAYPOINT) {
1723 VikWaypoint *w;
1724 w = vik_waypoint_copy(vik_trw_layer_get_waypoint(vtl_src, name));
1725 vik_trw_layer_delete_waypoint(vtl_src, name);
1726 vik_trw_layer_add_waypoint(vtl_dest, newname, w);
1727 }
1728}
1729
1730static void trw_layer_drag_drop_request ( VikTrwLayer *vtl_src, VikTrwLayer *vtl_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
1731{
1732 VikTreeview *vt = VIK_LAYER(vtl_src)->vt;
1733 gint type = vik_treeview_item_get_data(vt, src_item_iter);
1734
1735 if (!vik_treeview_item_get_pointer(vt, src_item_iter)) {
1736 GList *items = NULL;
1737 GList *iter;
1738
1739 if (type==VIK_TRW_LAYER_SUBLAYER_TRACKS) {
1740 g_hash_table_foreach ( vtl_src->tracks, (GHFunc)trw_layer_enum_item, &items);
1741 }
1742 if (type==VIK_TRW_LAYER_SUBLAYER_WAYPOINTS) {
1743 g_hash_table_foreach ( vtl_src->waypoints, (GHFunc)trw_layer_enum_item, &items);
1744 }
1745
1746 iter = items;
1747 while (iter) {
1748 if (type==VIK_TRW_LAYER_SUBLAYER_TRACKS) {
1749 trw_layer_move_item ( vtl_src, vtl_dest, iter->data, VIK_TRW_LAYER_SUBLAYER_TRACK);
1750 } else {
1751 trw_layer_move_item ( vtl_src, vtl_dest, iter->data, VIK_TRW_LAYER_SUBLAYER_WAYPOINT);
1752 }
1753 iter = iter->next;
1754 }
1755 if (items)
1756 g_list_free(items);
1757 } else {
1758 gchar *name = vik_treeview_item_get_pointer(vt, src_item_iter);
1759 trw_layer_move_item(vtl_src, vtl_dest, name, type);
1760 }
1761}
1762
1763
1764gboolean vik_trw_layer_delete_track ( VikTrwLayer *vtl, const gchar *trk_name )
1765{
1766 VikTrack *t = g_hash_table_lookup ( vtl->tracks, trk_name );
1767 gboolean was_visible = FALSE;
1768 if ( t )
1769 {
1770 GtkTreeIter *it;
1771 was_visible = t->visible;
1772 if ( t == vtl->current_track )
1773 vtl->current_track = NULL;
1774 if ( t == vtl->magic_scissors_current_track )
1775 vtl->magic_scissors_current_track = NULL;
1776
1777 /* could be current_tp, so we have to check */
1778 trw_layer_cancel_tps_of_track ( vtl, trk_name );
1779
1780 g_assert ( ( it = g_hash_table_lookup ( vtl->tracks_iters, trk_name ) ) );
1781 vik_treeview_item_delete ( VIK_LAYER(vtl)->vt, it );
1782 g_hash_table_remove ( vtl->tracks_iters, trk_name );
1783
1784 /* do this last because trk_name may be pointing to actual orig key */
1785 g_hash_table_remove ( vtl->tracks, trk_name );
1786 }
1787 return was_visible;
1788}
1789
1790gboolean vik_trw_layer_delete_waypoint ( VikTrwLayer *vtl, const gchar *wp_name )
1791{
1792 gboolean was_visible = FALSE;
1793 VikWaypoint *wp;
1794
1795 wp = g_hash_table_lookup ( vtl->waypoints, wp_name );
1796 if ( wp ) {
1797 GtkTreeIter *it;
1798
1799 if ( wp == vtl->current_wp ) {
1800 vtl->current_wp = NULL;
1801 vtl->current_wp_name = NULL;
1802 vtl->moving_wp = FALSE;
1803 }
1804
1805 was_visible = wp->visible;
1806 g_assert ( ( it = g_hash_table_lookup ( vtl->waypoints_iters, (gchar *) wp_name ) ) );
1807 vik_treeview_item_delete ( VIK_LAYER(vtl)->vt, it );
1808 g_hash_table_remove ( vtl->waypoints_iters, (gchar *) wp_name );
1809 g_hash_table_remove ( vtl->waypoints, wp_name ); /* last because this frees name */
1810 }
1811
1812 return was_visible;
1813}
1814
1815static void remove_item_from_treeview(const gchar *name, GtkTreeIter *it, VikTreeview * vt)
1816{
1817 vik_treeview_item_delete (vt, it );
1818}
1819
1820void vik_trw_layer_delete_all_tracks ( VikTrwLayer *vtl )
1821{
1822
1823 vtl->current_track = NULL;
1824 vtl->magic_scissors_current_track = NULL;
1825 if (vtl->current_tp_track_name)
1826 trw_layer_cancel_current_tp(vtl, FALSE);
1827 if (vtl->last_tp_track_name)
1828 trw_layer_cancel_last_tp ( vtl );
1829
1830 g_hash_table_foreach(vtl->tracks_iters, (GHFunc) remove_item_from_treeview, VIK_LAYER(vtl)->vt);
1831 g_hash_table_remove_all(vtl->tracks_iters);
1832 g_hash_table_remove_all(vtl->tracks);
1833
1834 /* TODO: only update if the layer is visible (ticked) */
1835 vik_layer_emit_update ( VIK_LAYER(vtl) );
1836}
1837
1838void vik_trw_layer_delete_all_waypoints ( VikTrwLayer *vtl )
1839{
1840 vtl->current_wp = NULL;
1841 vtl->current_wp_name = NULL;
1842 vtl->moving_wp = FALSE;
1843
1844 g_hash_table_foreach(vtl->waypoints_iters, (GHFunc) remove_item_from_treeview, VIK_LAYER(vtl)->vt);
1845 g_hash_table_remove_all(vtl->waypoints_iters);
1846 g_hash_table_remove_all(vtl->waypoints);
1847
1848 /* TODO: only update if the layer is visible (ticked) */
1849 vik_layer_emit_update ( VIK_LAYER(vtl) );
1850}
1851
1852static void trw_layer_delete_item ( gpointer pass_along[5] )
1853{
1854 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
1855 gboolean was_visible = FALSE;
1856 if ( (gint) pass_along[2] == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1857 {
1858 was_visible = vik_trw_layer_delete_waypoint ( vtl, (gchar *) pass_along[3] );
1859 }
1860 else
1861 {
1862 was_visible = vik_trw_layer_delete_track ( vtl, (gchar *) pass_along[3] );
1863 }
1864 if ( was_visible )
1865 vik_layer_emit_update ( VIK_LAYER(vtl) );
1866}
1867
1868
1869static void trw_layer_properties_item ( gpointer pass_along[5] )
1870{
1871 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
1872 if ( (gint) pass_along[2] == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1873 {
1874 VikWaypoint *wp = g_hash_table_lookup ( vtl->waypoints, pass_along[3] );
1875 if ( wp )
1876 {
1877 if ( a_dialog_new_waypoint ( VIK_GTK_WINDOW_FROM_LAYER(vtl), NULL, wp, NULL, vtl->coord_mode ) )
1878
1879 if ( VIK_LAYER(vtl)->visible )
1880 vik_layer_emit_update ( VIK_LAYER(vtl) );
1881 }
1882 }
1883 else
1884 {
1885 VikTrack *tr = g_hash_table_lookup ( vtl->tracks, pass_along[3] );
1886 if ( tr )
1887 {
1888 gint resp = vik_trw_layer_propwin_run ( VIK_GTK_WINDOW_FROM_LAYER(vtl), tr, pass_along[1] /* vlp */ );
1889 if ( resp == VIK_TRW_LAYER_PROPWIN_DEL_DUP )
1890 {
1891 vik_track_remove_dup_points(tr);
1892 /* above operation could have deleted current_tp or last_tp */
1893 trw_layer_cancel_tps_of_track ( vtl, (gchar *) pass_along[3] );
1894 vik_layer_emit_update ( VIK_LAYER(vtl) );
1895 }
1896 if ( resp == VIK_TRW_LAYER_PROPWIN_REVERSE )
1897 {
1898 vik_track_reverse(tr);
1899 vik_layer_emit_update ( VIK_LAYER(vtl) );
1900 }
1901 else if ( resp == VIK_TRW_LAYER_PROPWIN_SPLIT )
1902 {
1903 /* get new tracks, add them, resolve naming conflicts (free if cancel), and delete old. old can still exist on clipboard. */
1904 guint ntracks;
1905 VikTrack **tracks = vik_track_split_into_segments(tr, &ntracks);
1906 gchar *new_tr_name;
1907 guint i;
1908 for ( i = 0; i < ntracks; i++ )
1909 {
1910 g_assert ( tracks[i] );
1911 new_tr_name = g_strdup_printf("%s #%d", (gchar *) pass_along[3], i+1);
1912 /* if ( (wp_exists) && (! overwrite) ) */
1913 /* don't need to upper case new_tr_name because old tr name was uppercase */
1914 if ( g_hash_table_lookup ( vtl->tracks, new_tr_name ) &&
1915 ( ! a_dialog_overwrite ( VIK_GTK_WINDOW_FROM_LAYER(vtl), "The track \"%s\" exists, do you wish to overwrite it?", new_tr_name ) ) )
1916 {
1917 gchar *new_new_tr_name = a_dialog_new_track ( VIK_GTK_WINDOW_FROM_LAYER(vtl), vtl->tracks );
1918 g_free ( new_tr_name );
1919 if (new_new_tr_name)
1920 new_tr_name = new_new_tr_name;
1921 else
1922 {
1923 new_tr_name = NULL;
1924 vik_track_free ( tracks[i] );
1925 }
1926 }
1927 if ( new_tr_name )
1928 vik_trw_layer_add_track ( vtl, new_tr_name, tracks[i] );
1929 }
1930 if ( tracks )
1931 {
1932 g_free ( tracks );
1933 vik_trw_layer_delete_track ( vtl, (gchar *) pass_along[3] );
1934 vik_layer_emit_update ( VIK_LAYER(vtl) ); /* chase thru the hoops */
1935 }
1936 }
1937 }
1938 }
1939}
1940
1941static void goto_coord ( VikLayersPanel *vlp, const VikCoord *coord )
1942{
1943 vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(vlp), coord );
1944 vik_layers_panel_emit_update ( vlp );
1945}
1946
1947static void trw_layer_goto_track_startpoint ( gpointer pass_along[5] )
1948{
1949 GList *trps = ((VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] ))->trackpoints;
1950 if ( trps && trps->data )
1951 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(((VikTrackpoint *) trps->data)->coord));
1952}
1953
1954static void trw_layer_goto_track_center ( gpointer pass_along[5] )
1955{
1956 GList **trps = g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
1957 if ( trps && *trps )
1958 {
1959 struct LatLon average, maxmin[2] = { {0,0}, {0,0} };
1960 VikCoord coord;
1961 trw_layer_find_maxmin_tracks ( NULL, trps, maxmin );
1962 average.lat = (maxmin[0].lat+maxmin[1].lat)/2;
1963 average.lon = (maxmin[0].lon+maxmin[1].lon)/2;
1964 vik_coord_load_from_latlon ( &coord, VIK_TRW_LAYER(pass_along[0])->coord_mode, &average );
1965 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &coord);
1966 }
1967}
1968
1969static void trw_layer_apply_dem_data ( gpointer pass_along[6] )
1970{
1971 /* TODO: check & warn if no DEM data, or no applicable DEM data. */
1972 /* Also warn if overwrite old elevation data */
1973 VikTrack *track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
1974
1975 vik_track_apply_dem_data ( track );
1976}
1977
1978static void trw_layer_goto_track_endpoint ( gpointer pass_along[6] )
1979{
1980 GList *trps = ((VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] ))->trackpoints;
1981 if ( !trps )
1982 return;
1983 trps = g_list_last(trps);
1984 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(((VikTrackpoint *) trps->data)->coord));
1985}
1986
1987
1988/*************************************
1989 * merge/split by time routines
1990 *************************************/
1991
1992/* called for each key in track hash table. if original track user_data[1] is close enough
1993 * to the passed one, add it to list in user_data[0]
1994 */
1995static void find_nearby_track(gpointer key, gpointer value, gpointer user_data)
1996{
1997 time_t t1, t2;
1998 VikTrackpoint *p1, *p2;
1999
2000 GList **nearby_tracks = ((gpointer *)user_data)[0];
2001 GList *orig_track = ((gpointer *)user_data)[1];
2002 guint thr = (guint)((gpointer *)user_data)[2];
2003
2004 t1 = VIK_TRACKPOINT(orig_track->data)->timestamp;
2005 t2 = VIK_TRACKPOINT(g_list_last(orig_track)->data)->timestamp;
2006
2007 if (VIK_TRACK(value)->trackpoints == orig_track) {
2008 return;
2009 }
2010
2011 p1 = VIK_TRACKPOINT(VIK_TRACK(value)->trackpoints->data);
2012 p2 = VIK_TRACKPOINT(g_list_last(VIK_TRACK(value)->trackpoints)->data);
2013
2014 if (!p1->has_timestamp || !p2->has_timestamp) {
2015 g_print("no timestamp\n");
2016 return;
2017 }
2018
2019 /* g_print("Got track named %s, times %d, %d\n", (gchar *)key, p1->timestamp, p2->timestamp); */
2020 if (abs(t1 - p2->timestamp) < thr*60 ||
2021 /* p1 p2 t1 t2 */
2022 abs(p1->timestamp - t2) < thr*60
2023 /* t1 t2 p1 p2 */
2024 ) {
2025 *nearby_tracks = g_list_prepend(*nearby_tracks, key);
2026 }
2027}
2028
2029/* comparison function used to sort tracks; a and b are hash table keys */
2030static gint track_compare(gconstpointer a, gconstpointer b, gpointer user_data)
2031{
2032 GHashTable *tracks = user_data;
2033 time_t t1, t2;
2034
2035 t1 = VIK_TRACKPOINT(VIK_TRACK(g_hash_table_lookup(tracks, a))->trackpoints->data)->timestamp;
2036 t2 = VIK_TRACKPOINT(VIK_TRACK(g_hash_table_lookup(tracks, b))->trackpoints->data)->timestamp;
2037
2038 if (t1 < t2) return -1;
2039 if (t1 > t2) return 1;
2040 return 0;
2041}
2042
2043/* comparison function used to sort trackpoints */
2044static gint trackpoint_compare(gconstpointer a, gconstpointer b)
2045{
2046 time_t t1 = VIK_TRACKPOINT(a)->timestamp, t2 = VIK_TRACKPOINT(b)->timestamp;
2047
2048 if (t1 < t2) return -1;
2049 if (t1 > t2) return 1;
2050 return 0;
2051}
2052
2053/* merge by time routine */
2054static void trw_layer_merge_by_timestamp ( gpointer pass_along[6] )
2055{
2056 time_t t1, t2;
2057 GList *nearby_tracks = NULL;
2058 VikTrack *track;
2059 GList *trps;
2060 static guint thr = 1;
2061 guint track_count = 0;
2062 gchar *orig_track_name = strdup(pass_along[3]);
2063
2064 if (!a_dialog_time_threshold(VIK_GTK_WINDOW_FROM_LAYER(pass_along[0]),
2065 "Merge Threshold...",
2066 "Merge when time between trackpoints less than:",
2067 &thr)) {
2068 return;
2069 }
2070
2071 /* merge tracks until we can't */
2072 do {
2073 gpointer params[3];
2074
2075 track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, orig_track_name );
2076 trps = track->trackpoints;
2077 if ( !trps )
2078 return;
2079
2080
2081 if (nearby_tracks) {
2082 g_list_free(nearby_tracks);
2083 nearby_tracks = NULL;
2084 }
2085
2086 t1 = ((VikTrackpoint *)trps->data)->timestamp;
2087 t2 = ((VikTrackpoint *)g_list_last(trps)->data)->timestamp;
2088
2089 /* g_print("Original track times: %d and %d\n", t1, t2); */
2090 params[0] = &nearby_tracks;
2091 params[1] = trps;
2092 params[2] = (gpointer)thr;
2093
2094 /* get a list of adjacent-in-time tracks */
2095 g_hash_table_foreach(VIK_TRW_LAYER(pass_along[0])->tracks, find_nearby_track, (gpointer)params);
2096
2097 /* add original track */
2098 nearby_tracks = g_list_prepend(nearby_tracks, orig_track_name);
2099
2100 /* sort by first trackpoint; assumes they don't overlap */
2101 nearby_tracks = g_list_sort_with_data(nearby_tracks, track_compare, VIK_TRW_LAYER(pass_along[0])->tracks);
2102
2103 /* merge them */
2104 {
2105#define get_track(x) VIK_TRACK(g_hash_table_lookup(VIK_TRW_LAYER(pass_along[0])->tracks, (gchar *)((x)->data)))
2106#define get_first_trackpoint(x) VIK_TRACKPOINT(get_track(x)->trackpoints->data)
2107#define get_last_trackpoint(x) VIK_TRACKPOINT(g_list_last(get_track(x)->trackpoints)->data)
2108 GList *l = nearby_tracks;
2109 VikTrack *tr = vik_track_new();
2110 tr->visible = track->visible;
2111 track_count = 0;
2112 while (l) {
2113 /*
2114 time_t t1, t2;
2115 t1 = get_first_trackpoint(l)->timestamp;
2116 t2 = get_last_trackpoint(l)->timestamp;
2117 g_print(" %20s: track %d - %d\n", (char *)l->data, (int)t1, (int)t2);
2118 */
2119
2120
2121 /* remove trackpoints from merged track, delete track */
2122 tr->trackpoints = g_list_concat(tr->trackpoints, get_track(l)->trackpoints);
2123 get_track(l)->trackpoints = NULL;
2124 vik_trw_layer_delete_track(VIK_TRW_LAYER(pass_along[0]), l->data);
2125
2126 track_count ++;
2127 l = g_list_next(l);
2128 }
2129 tr->trackpoints = g_list_sort(tr->trackpoints, trackpoint_compare);
2130 vik_trw_layer_add_track(VIK_TRW_LAYER(pass_along[0]), strdup(orig_track_name), tr);
2131
2132#undef get_first_trackpoint
2133#undef get_last_trackpoint
2134#undef get_track
2135 }
2136 } while (track_count > 1);
2137 g_list_free(nearby_tracks);
2138 free(orig_track_name);
2139 vik_layer_emit_update(VIK_LAYER(pass_along[0]));
2140}
2141
2142/* split by time routine */
2143static void trw_layer_split_by_timestamp ( gpointer pass_along[6] )
2144{
2145 VikTrack *track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
2146 GList *trps = track->trackpoints;
2147 GList *iter;
2148 GList *newlists = NULL;
2149 GList *newtps = NULL;
2150 guint i;
2151 static guint thr = 1;
2152
2153 time_t ts, prev_ts;
2154
2155 if ( !trps )
2156 return;
2157
2158 if (!a_dialog_time_threshold(VIK_GTK_WINDOW_FROM_LAYER(pass_along[0]),
2159 "Split Threshold...",
2160 "Split when time between trackpoints exceeds:",
2161 &thr)) {
2162 return;
2163 }
2164
2165 /* iterate through trackpoints, and copy them into new lists without touching original list */
2166 prev_ts = VIK_TRACKPOINT(trps->data)->timestamp;
2167 iter = trps;
2168
2169 while (iter) {
2170 ts = VIK_TRACKPOINT(iter->data)->timestamp;
2171 if (ts < prev_ts) {
2172 g_print("panic: ts < prev_ts: this should never happen!\n");
2173 return;
2174 }
2175 if (ts - prev_ts > thr*60) {
2176 /* flush accumulated trackpoints into new list */
2177 newlists = g_list_prepend(newlists, g_list_reverse(newtps));
2178 newtps = NULL;
2179 }
2180
2181 /* accumulate trackpoint copies in newtps, in reverse order */
2182 newtps = g_list_prepend(newtps, vik_trackpoint_copy(VIK_TRACKPOINT(iter->data)));
2183 prev_ts = ts;
2184 iter = g_list_next(iter);
2185 }
2186 if (newtps) {
2187 newlists = g_list_prepend(newlists, g_list_reverse(newtps));
2188 }
2189
2190 /* put lists of trackpoints into tracks */
2191 iter = newlists;
2192 i = 1;
2193 while (iter) {
2194 gchar *new_tr_name;
2195 VikTrack *tr;
2196
2197 tr = vik_track_new();
2198 tr->visible = track->visible;
2199 tr->trackpoints = (GList *)(iter->data);
2200
2201 new_tr_name = g_strdup_printf("%s #%d", (gchar *) pass_along[3], i++);
2202 vik_trw_layer_add_track(VIK_TRW_LAYER(pass_along[0]), new_tr_name, tr);
2203 /* g_print("adding track %s, times %d - %d\n", new_tr_name, VIK_TRACKPOINT(tr->trackpoints->data)->timestamp,
2204 VIK_TRACKPOINT(g_list_last(tr->trackpoints)->data)->timestamp);*/
2205
2206 iter = g_list_next(iter);
2207 }
2208 g_list_free(newlists);
2209 vik_trw_layer_delete_track(VIK_TRW_LAYER(pass_along[0]), (gchar *)pass_along[3]);
2210 vik_layer_emit_update(VIK_LAYER(pass_along[0]));
2211}
2212
2213/* end of split/merge routines */
2214
2215
2216static void trw_layer_goto_waypoint ( gpointer pass_along[5] )
2217{
2218 VikWaypoint *wp = g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->waypoints, pass_along[3] );
2219 if ( wp )
2220 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(wp->coord) );
2221}
2222
2223static void trw_layer_waypoint_gc_webpage ( gpointer pass_along[5] )
2224{
2225 gchar *webpage = g_strdup_printf("http://www.geocaching.com/seek/cache_details.aspx?wp=%s", (gchar *) pass_along[3] );
2226#ifdef WINDOWS
2227 ShellExecute(NULL, NULL, (char *) webpage, NULL, ".\\", 0);
2228#else /* WINDOWS */
2229 GError *err = NULL;
2230 gchar *cmd = g_strdup_printf ( "%s %s", UNIX_WEB_BROWSER, webpage );
2231 if ( ! g_spawn_command_line_async ( cmd, &err ) )
2232 {
2233 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(VIK_LAYER(pass_along[0])), "Could not launch web browser." );
2234 g_error_free ( err );
2235 }
2236 g_free ( cmd );
2237#endif /* WINDOWS */
2238 g_free ( webpage );
2239}
2240
2241const gchar *vik_trw_layer_sublayer_rename_request ( VikTrwLayer *l, const gchar *newname, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter )
2242{
2243 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
2244 {
2245 int i;
2246 gchar *rv;
2247 VikWaypoint *wp;
2248
2249 if ( strcasecmp ( newname, sublayer ) == 0 )
2250 return NULL;
2251
2252 if ( uppercase_exists_in_hash ( l->waypoints, newname ) )
2253 {
2254 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(l), "Waypoint Already Exists" );
2255 return NULL;
2256 }
2257
2258 iter = g_hash_table_lookup ( l->waypoints_iters, sublayer );
2259 g_hash_table_steal ( l->waypoints_iters, sublayer );
2260
2261 wp = vik_waypoint_copy ( VIK_WAYPOINT(g_hash_table_lookup ( l->waypoints, sublayer )) );
2262 g_hash_table_remove ( l->waypoints, sublayer );
2263
2264 rv = g_strdup(newname);
2265 for ( i = strlen(rv) - 1; i >= 0; i-- )
2266 rv[i] = toupper(rv[i]);
2267
2268 vik_treeview_item_set_pointer ( VIK_LAYER(l)->vt, iter, rv );
2269
2270 g_hash_table_insert ( l->waypoints, rv, wp );
2271 g_hash_table_insert ( l->waypoints_iters, rv, iter );
2272
2273 /* it hasn't been updated yet so we pass new name */
2274#ifdef VIK_CONFIG_ALPHABETIZED_TRW
2275 vik_treeview_sublayer_realphabetize ( VIK_LAYER(l)->vt, iter, rv );
2276#endif
2277
2278 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vlp) );
2279 return rv;
2280 }
2281 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2282 {
2283 int i;
2284 gchar *rv;
2285 VikTrack *tr;
2286 GtkTreeIter *iter;
2287 gchar *orig_key;
2288
2289 if ( strcasecmp ( newname, sublayer ) == 0 )
2290 return NULL;
2291
2292 if ( uppercase_exists_in_hash ( l->tracks, newname ) )
2293 {
2294 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(l), "Track Already Exists" );
2295 return NULL;
2296 }
2297
2298 g_hash_table_lookup_extended ( l->tracks, sublayer, (void *)&orig_key, (void *)&tr );
2299 g_hash_table_steal ( l->tracks, sublayer );
2300
2301 iter = g_hash_table_lookup ( l->tracks_iters, sublayer );
2302 g_hash_table_steal ( l->tracks_iters, sublayer );
2303
2304 rv = g_strdup(newname);
2305 for ( i = strlen(rv) - 1; i >= 0; i-- )
2306 rv[i] = toupper(rv[i]);
2307
2308 vik_treeview_item_set_pointer ( VIK_LAYER(l)->vt, iter, rv );
2309
2310 g_hash_table_insert ( l->tracks, rv, tr );
2311 g_hash_table_insert ( l->tracks_iters, rv, iter );
2312
2313 /* don't forget about current_tp_track_name, update that too */
2314 if ( l->current_tp_track_name && g_strcasecmp(orig_key,l->current_tp_track_name) == 0 )
2315 {
2316 l->current_tp_track_name = rv;
2317 if ( l->tpwin )
2318 vik_trw_layer_tpwin_set_track_name ( l->tpwin, rv );
2319 }
2320 else if ( l->last_tp_track_name && g_strcasecmp(orig_key,l->last_tp_track_name) == 0 )
2321 l->last_tp_track_name = rv;
2322
2323 g_free ( orig_key );
2324
2325#ifdef VIK_CONFIG_ALPHABETIZED_TRW
2326 vik_treeview_sublayer_realphabetize ( VIK_LAYER(l)->vt, iter, rv );
2327#endif
2328
2329 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vlp) );
2330 return rv;
2331 }
2332 return NULL;
2333}
2334
2335static gboolean is_valid_geocache_name ( gchar *str )
2336{
2337 gint len = strlen ( str );
2338 return len >= 3 && len <= 7 && str[0] == 'G' && str[1] == 'C' && isalnum(str[2]) && (len < 4 || isalnum(str[3])) && (len < 5 || isalnum(str[4])) && (len < 6 || isalnum(str[5])) && (len < 7 || isalnum(str[6]));
2339}
2340
2341static gboolean is_valid_google_route ( VikTrwLayer *vtl, const gchar *track_name )
2342{
2343 VikTrack *tr = g_hash_table_lookup ( vtl->tracks, track_name );
2344 return ( tr && tr->comment && strlen(tr->comment) > 7 && !strncmp(tr->comment, "from:", 5) );
2345}
2346
2347static void trw_layer_track_google_route_webpage( gpointer *pass_along )
2348{
2349 gchar *track_name = (gchar *) pass_along[3];
2350 VikTrack *tr = g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, track_name );
2351 if ( tr ) {
2352 gchar *escaped = uri_escape ( tr->comment );
2353 gchar *webpage = g_strdup_printf("http://maps.google.com/maps?f=q&hl=en&q=%s", escaped );
2354 GError *err = NULL;
2355 gchar *cmd = g_strdup_printf ( "%s %s", UNIX_WEB_BROWSER, webpage );
2356
2357 if ( ! g_spawn_command_line_async ( cmd, &err ) )
2358 {
2359 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(VIK_LAYER(pass_along[0])), "Could not launch web browser." );
2360 g_error_free ( err );
2361 }
2362 g_free ( escaped );
2363 g_free ( cmd );
2364 g_free ( webpage );
2365 }
2366}
2367
2368/* vlp can be NULL if necessary - i.e. right-click from a tool -- but be careful, some functions may try to use it */
2369gboolean vik_trw_layer_sublayer_add_menu_items ( VikTrwLayer *l, GtkMenu *menu, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter )
2370{
2371 static GtkTreeIter staticiter;
2372 static gpointer pass_along[5];
2373 GtkWidget *item;
2374 gboolean rv = FALSE;
2375
2376 pass_along[0] = l;
2377 pass_along[1] = vlp;
2378 pass_along[2] = (gpointer) subtype;
2379 pass_along[3] = sublayer;
2380 staticiter = *iter; /* will exist after function has ended */
2381 pass_along[4] = &staticiter;
2382
2383 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT || subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2384 {
2385 rv = TRUE;
2386
2387 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PROPERTIES, NULL );
2388 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_properties_item), pass_along );
2389 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2390 gtk_widget_show ( item );
2391
2392 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_CUT, NULL );
2393 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_cut_item_cb), pass_along );
2394 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2395 gtk_widget_show ( item );
2396
2397 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_COPY, NULL );
2398 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_copy_item_cb), pass_along );
2399 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2400 gtk_widget_show ( item );
2401
2402 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_DELETE, NULL );
2403 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_delete_item), pass_along );
2404 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2405 gtk_widget_show ( item );
2406
2407 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
2408 {
2409 /* could be a right-click using the tool */
2410 if ( vlp != NULL ) {
2411 item = gtk_menu_item_new_with_label ( "Goto" );
2412 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_waypoint), pass_along );
2413 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2414 gtk_widget_show ( item );
2415 }
2416
2417 if ( is_valid_geocache_name ( (gchar *) sublayer ) )
2418 {
2419 item = gtk_menu_item_new_with_label ( "Visit Geocache Webpage" );
2420 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_waypoint_gc_webpage), pass_along );
2421 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2422 gtk_widget_show ( item );
2423 }
2424
2425 }
2426 }
2427
2428 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2429 {
2430 item = gtk_menu_item_new ();
2431 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2432 gtk_widget_show ( item );
2433
2434 item = gtk_menu_item_new_with_label ( "Goto Startpoint" );
2435 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_startpoint), pass_along );
2436 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2437 gtk_widget_show ( item );
2438
2439 item = gtk_menu_item_new_with_label ( "Goto \"Center\"" );
2440 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_center), pass_along );
2441 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2442 gtk_widget_show ( item );
2443
2444 item = gtk_menu_item_new_with_label ( "Goto Endpoint" );
2445 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_endpoint), pass_along );
2446 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2447 gtk_widget_show ( item );
2448
2449 item = gtk_menu_item_new_with_label ( "Merge By Time" );
2450 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_merge_by_timestamp), pass_along );
2451 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2452 gtk_widget_show ( item );
2453
2454 item = gtk_menu_item_new_with_label ( "Split By Time" );
2455 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_split_by_timestamp), pass_along );
2456 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2457 gtk_widget_show ( item );
2458
2459 item = gtk_menu_item_new_with_label ( "Download maps along track..." );
2460 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_download_map_along_track_cb), pass_along );
2461 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2462 gtk_widget_show ( item );
2463
2464 item = gtk_menu_item_new_with_label ( "Apply DEM Data" );
2465 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_apply_dem_data), pass_along );
2466 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2467 gtk_widget_show ( item );
2468
2469#ifdef VIK_CONFIG_OPENSTREETMAP
2470 item = gtk_menu_item_new_with_label ( "Upload to OSM" );
2471 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(osm_traces_upload_track_cb), pass_along );
2472 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2473 gtk_widget_show ( item );
2474#endif
2475
2476 if ( is_valid_google_route ( l, (gchar *) sublayer ) )
2477 {
2478 item = gtk_menu_item_new_with_label ( "View Google Directions" );
2479 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_track_google_route_webpage), pass_along );
2480 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2481 gtk_widget_show ( item );
2482 }
2483
2484 }
2485
2486 if ( vlp && (subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINTS || subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT) )
2487 {
2488 item = gtk_menu_item_new ();
2489 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2490 gtk_widget_show ( item );
2491
2492 item = gtk_menu_item_new_with_label ( "New Waypoint" );
2493 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_new_wp), pass_along );
2494 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
2495 gtk_widget_show ( item );
2496 }
2497
2498 return rv;
2499}
2500
2501
2502/* to be called when last_tpl no long exists. */
2503static void trw_layer_cancel_last_tp ( VikTrwLayer *vtl )
2504{
2505 if ( vtl->tpwin ) /* can't join with a non-existant TP. */
2506 vik_trw_layer_tpwin_disable_join ( vtl->tpwin );
2507 vtl->last_tpl = NULL;
2508 vtl->last_tp_track_name = NULL;
2509}
2510
2511static void trw_layer_cancel_current_tp ( VikTrwLayer *vtl, gboolean destroy )
2512{
2513 if ( vtl->tpwin )
2514 {
2515 if ( destroy)
2516 {
2517 gtk_widget_destroy ( GTK_WIDGET(vtl->tpwin) );
2518 vtl->tpwin = NULL;
2519 }
2520 else
2521 vik_trw_layer_tpwin_set_empty ( vtl->tpwin );
2522 }
2523 if ( vtl->current_tpl )
2524 {
2525 vtl->current_tpl = NULL;
2526 vtl->current_tp_track_name = NULL;
2527 vik_layer_emit_update(VIK_LAYER(vtl));
2528 }
2529}
2530
2531static void trw_layer_tpwin_response ( VikTrwLayer *vtl, gint response )
2532{
2533 g_assert ( vtl->tpwin != NULL );
2534 if ( response == VIK_TRW_LAYER_TPWIN_CLOSE )
2535 trw_layer_cancel_current_tp ( vtl, TRUE );
2536 else if ( response == VIK_TRW_LAYER_TPWIN_SPLIT && vtl->current_tpl->next && vtl->current_tpl->prev )
2537 {
2538 gchar *name;
2539 if ( ( name = a_dialog_new_track ( GTK_WINDOW(vtl->tpwin), vtl->tracks ) ) )
2540 {
2541 VikTrack *tr = vik_track_new ();
2542 GList *newglist = g_list_alloc ();
2543 newglist->prev = NULL;
2544 newglist->next = vtl->current_tpl->next;
2545 newglist->data = vik_trackpoint_copy(VIK_TRACKPOINT(vtl->current_tpl->data));
2546 tr->trackpoints = newglist;
2547
2548 vtl->current_tpl->next->prev = newglist; /* end old track here */
2549 vtl->current_tpl->next = NULL;
2550
2551 vtl->current_tpl = newglist; /* change tp to first of new track. */
2552 vtl->current_tp_track_name = name;
2553
2554 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2555
2556 vik_trw_layer_add_track ( vtl, name, tr );
2557 vik_layer_emit_update(VIK_LAYER(vtl));
2558 }
2559 }
2560 else if ( response == VIK_TRW_LAYER_TPWIN_DELETE )
2561 {
2562 VikTrack *tr = g_hash_table_lookup ( vtl->tracks, vtl->current_tp_track_name );
2563 GList *new_tpl;
2564 g_assert(tr != NULL);
2565
2566 /* can't join with a non-existent trackpoint */
2567 vtl->last_tpl = NULL;
2568 vtl->last_tp_track_name = NULL;
2569
2570 if ( (new_tpl = vtl->current_tpl->next) || (new_tpl = vtl->current_tpl->prev) )
2571 {
2572 if ( VIK_TRACKPOINT(vtl->current_tpl->data)->newsegment && vtl->current_tpl->next )
2573 VIK_TRACKPOINT(vtl->current_tpl->next->data)->newsegment = TRUE; /* don't concat segments on del */
2574
2575 tr->trackpoints = g_list_remove_link ( tr->trackpoints, vtl->current_tpl ); /* this nulls current_tpl->prev and next */
2576
2577 /* at this point the old trackpoint exists, but the list links are correct (new), so it is safe to do this. */
2578 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, new_tpl, vtl->current_tp_track_name );
2579
2580 trw_layer_cancel_last_tp ( vtl );
2581
2582 g_free ( vtl->current_tpl->data ); /* TODO: vik_trackpoint_free() */
2583 g_list_free_1 ( vtl->current_tpl );
2584 vtl->current_tpl = new_tpl;
2585 vik_layer_emit_update(VIK_LAYER(vtl));
2586 }
2587 else
2588 {
2589 tr->trackpoints = g_list_remove_link ( tr->trackpoints, vtl->current_tpl );
2590 g_free ( vtl->current_tpl->data ); /* TODO longone: vik_trackpoint_new() and vik_trackpoint_free() */
2591 g_list_free_1 ( vtl->current_tpl );
2592 trw_layer_cancel_current_tp ( vtl, FALSE );
2593 }
2594 }
2595 else if ( response == VIK_TRW_LAYER_TPWIN_FORWARD && vtl->current_tpl->next )
2596 {
2597 vtl->last_tpl = vtl->current_tpl;
2598 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl = vtl->current_tpl->next, vtl->current_tp_track_name );
2599 vik_layer_emit_update(VIK_LAYER(vtl)); /* TODO longone: either move or only update if tp is inside drawing window */
2600 }
2601 else if ( response == VIK_TRW_LAYER_TPWIN_BACK && vtl->current_tpl->prev )
2602 {
2603 vtl->last_tpl = vtl->current_tpl;
2604 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl = vtl->current_tpl->prev, vtl->current_tp_track_name );
2605 vik_layer_emit_update(VIK_LAYER(vtl));
2606 }
2607 else if ( response == VIK_TRW_LAYER_TPWIN_JOIN )
2608 {
2609 VikTrack *tr1 = g_hash_table_lookup ( vtl->tracks, vtl->last_tp_track_name );
2610 VikTrack *tr2 = g_hash_table_lookup ( vtl->tracks, vtl->current_tp_track_name );
2611
2612 VikTrack *tr_first = tr1, *tr_last = tr2;
2613
2614 gchar *tmp;
2615
2616 if ( (!vtl->last_tpl->next) && (!vtl->current_tpl->next) ) /* both endpoints */
2617 vik_track_reverse ( tr2 ); /* reverse the second, that way second track clicked will be later. */
2618 else if ( (!vtl->last_tpl->prev) && (!vtl->current_tpl->prev) )
2619 vik_track_reverse ( tr1 );
2620 else if ( (!vtl->last_tpl->prev) && (!vtl->current_tpl->next) ) /* clicked startpoint, then endpoint -- concat end to start */
2621 {
2622 tr_first = tr2;
2623 tr_last = tr1;
2624 }
2625 /* default -- clicked endpoint then startpoint -- connect endpoint to startpoint */
2626
2627 if ( tr_last->trackpoints ) /* deleting this part here joins them into 1 segmented track. useful but there's no place in the UI for this feature. segments should be deprecated anyway. */
2628 VIK_TRACKPOINT(tr_last->trackpoints->data)->newsegment = FALSE;
2629 tr1->trackpoints = g_list_concat ( tr_first->trackpoints, tr_last->trackpoints );
2630 tr2->trackpoints = NULL;
2631
2632 tmp = vtl->current_tp_track_name;
2633
2634 vtl->current_tp_track_name = vtl->last_tp_track_name; /* current_tp stays the same (believe it or not!) */
2635 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2636
2637 /* if we did this before, trw_layer_delete_track would have canceled the current tp because
2638 * it was the current track. canceling the current tp would have set vtl->current_tpl to NULL */
2639 vik_trw_layer_delete_track ( vtl, tmp );
2640
2641 trw_layer_cancel_last_tp ( vtl ); /* same TP, can't join. */
2642 vik_layer_emit_update(VIK_LAYER(vtl));
2643 }
2644 else if ( response == VIK_TRW_LAYER_TPWIN_DATA_CHANGED )
2645 vik_layer_emit_update (VIK_LAYER(vtl));
2646}
2647
2648static void trw_layer_tpwin_init ( VikTrwLayer *vtl )
2649{
2650 if ( ! vtl->tpwin )
2651 {
2652 vtl->tpwin = vik_trw_layer_tpwin_new ( VIK_GTK_WINDOW_FROM_LAYER(vtl) );
2653 g_signal_connect_swapped ( GTK_DIALOG(vtl->tpwin), "response", G_CALLBACK(trw_layer_tpwin_response), vtl );
2654 /* connect signals -- DELETE SIGNAL VERY IMPORTANT TO SET TO NULL */
2655 g_signal_connect_swapped ( vtl->tpwin, "delete-event", G_CALLBACK(trw_layer_cancel_current_tp), vtl );
2656 gtk_widget_show_all ( GTK_WIDGET(vtl->tpwin) );
2657 }
2658 if ( vtl->current_tpl )
2659 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2660 /* set layer name and TP data */
2661}
2662
2663/***************************************************************************
2664 ** Tool code
2665 ***************************************************************************/
2666
2667/*** Utility data structures and functions ****/
2668
2669typedef struct {
2670 gint x, y;
2671 gint closest_x, closest_y;
2672 gchar *closest_wp_name;
2673 VikWaypoint *closest_wp;
2674 VikViewport *vvp;
2675} WPSearchParams;
2676
2677typedef struct {
2678 gint x, y;
2679 gint closest_x, closest_y;
2680 gchar *closest_track_name;
2681 VikTrackpoint *closest_tp;
2682 VikViewport *vvp;
2683 GList *closest_tpl;
2684} TPSearchParams;
2685
2686static void waypoint_search_closest_tp ( gchar *name, VikWaypoint *wp, WPSearchParams *params )
2687{
2688 gint x, y;
2689 if ( !wp->visible )
2690 return;
2691
2692 vik_viewport_coord_to_screen ( params->vvp, &(wp->coord), &x, &y );
2693
2694 if ( abs (x - params->x) <= WAYPOINT_SIZE_APPROX && abs (y - params->y) <= WAYPOINT_SIZE_APPROX &&
2695 ((!params->closest_wp) || /* was the old waypoint we already found closer than this one? */
2696 abs(x - params->x)+abs(y - params->y) < abs(x - params->closest_x)+abs(y - params->closest_y)))
2697 {
2698 params->closest_wp_name = name;
2699 params->closest_wp = wp;
2700 params->closest_x = x;
2701 params->closest_y = y;
2702 }
2703}
2704
2705static void track_search_closest_tp ( gchar *name, VikTrack *t, TPSearchParams *params )
2706{
2707 GList *tpl = t->trackpoints;
2708 VikTrackpoint *tp;
2709
2710 if ( !t->visible )
2711 return;
2712
2713 while (tpl)
2714 {
2715 gint x, y;
2716 tp = VIK_TRACKPOINT(tpl->data);
2717
2718 vik_viewport_coord_to_screen ( params->vvp, &(tp->coord), &x, &y );
2719
2720 if ( abs (x - params->x) <= TRACKPOINT_SIZE_APPROX && abs (y - params->y) <= TRACKPOINT_SIZE_APPROX &&
2721 ((!params->closest_tp) || /* was the old trackpoint we already found closer than this one? */
2722 abs(x - params->x)+abs(y - params->y) < abs(x - params->closest_x)+abs(y - params->closest_y)))
2723 {
2724 params->closest_track_name = name;
2725 params->closest_tp = tp;
2726 params->closest_tpl = tpl;
2727 params->closest_x = x;
2728 params->closest_y = y;
2729 }
2730 tpl = tpl->next;
2731 }
2732}
2733
2734static VikTrackpoint *closest_tp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y )
2735{
2736 TPSearchParams params;
2737 params.x = x;
2738 params.y = y;
2739 params.vvp = vvp;
2740 params.closest_track_name = NULL;
2741 params.closest_tp = NULL;
2742 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_search_closest_tp, &params);
2743 return params.closest_tp;
2744}
2745
2746static VikWaypoint *closest_wp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y )
2747{
2748 WPSearchParams params;
2749 params.x = x;
2750 params.y = y;
2751 params.vvp = vvp;
2752 params.closest_wp = NULL;
2753 params.closest_wp_name = NULL;
2754 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_search_closest_tp, &params);
2755 return params.closest_wp;
2756}
2757
2758/* background drawing hook, to be passed the viewport */
2759static gboolean tool_sync_done = TRUE;
2760
2761static gboolean tool_sync(gpointer data)
2762{
2763 VikViewport *vvp = data;
2764 gdk_threads_enter();
2765 vik_viewport_sync(vvp);
2766 tool_sync_done = TRUE;
2767 gdk_threads_leave();
2768 return FALSE;
2769}
2770
2771typedef struct {
2772 VikViewport *vvp;
2773 gboolean holding;
2774 GdkGC *gc;
2775 int oldx, oldy;
2776} tool_ed_t;
2777
2778static void marker_begin_move ( tool_ed_t *t, gint x, gint y )
2779{
2780 t->holding = TRUE;
2781 t->gc = vik_viewport_new_gc (t->vvp, "black", 2);
2782 gdk_gc_set_function ( t->gc, GDK_INVERT );
2783 vik_viewport_draw_rectangle ( t->vvp, t->gc, FALSE, x-3, y-3, 6, 6 );
2784 vik_viewport_sync(t->vvp);
2785 t->oldx = x;
2786 t->oldy = y;
2787}
2788
2789static void marker_moveto ( tool_ed_t *t, gint x, gint y )
2790{
2791 VikViewport *vvp = t->vvp;
2792 vik_viewport_draw_rectangle ( vvp, t->gc, FALSE, t->oldx-3, t->oldy-3, 6, 6 );
2793 vik_viewport_draw_rectangle ( vvp, t->gc, FALSE, x-3, y-3, 6, 6 );
2794 t->oldx = x;
2795 t->oldy = y;
2796 if (tool_sync_done) {
2797 g_idle_add_full (G_PRIORITY_HIGH_IDLE + 10, tool_sync, vvp, NULL);
2798 tool_sync_done = FALSE;
2799 }
2800}
2801
2802static void marker_end_move ( tool_ed_t *t )
2803{
2804 vik_viewport_draw_rectangle ( t->vvp, t->gc, FALSE, t->oldx-3, t->oldy-3, 6, 6 );
2805 g_object_unref ( t->gc );
2806 t->holding = FALSE;
2807}
2808
2809/*** Edit waypoint ****/
2810
2811static gpointer tool_edit_waypoint_create ( VikWindow *vw, VikViewport *vvp)
2812{
2813 tool_ed_t *t = g_new(tool_ed_t, 1);
2814 t->vvp = vvp;
2815 t->holding = FALSE;
2816 return t;
2817}
2818
2819static gboolean tool_edit_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
2820{
2821 WPSearchParams params;
2822 tool_ed_t *t = data;
2823 VikViewport *vvp = t->vvp;
2824
2825 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2826 return FALSE;
2827
2828 if ( t->holding ) {
2829 return TRUE;
2830 }
2831
2832 if ( vtl->current_wp && vtl->current_wp->visible )
2833 {
2834 /* first check if current WP is within area (other may be 'closer', but we want to move the current) */
2835 gint x, y;
2836 vik_viewport_coord_to_screen ( vvp, &(vtl->current_wp->coord), &x, &y );
2837
2838 if ( abs(x - event->x) <= WAYPOINT_SIZE_APPROX &&
2839 abs(y - event->y) <= WAYPOINT_SIZE_APPROX )
2840 {
2841 if ( event->button == 3 )
2842 vtl->waypoint_rightclick = TRUE; /* remember that we're clicking; other layers will ignore release signal */
2843 else {
2844 marker_begin_move(t, event->x, event->y);
2845 }
2846 return TRUE;
2847 }
2848 }
2849
2850 params.vvp = vvp;
2851 params.x = event->x;
2852 params.y = event->y;
2853 params.closest_wp_name = NULL;
2854 /* TODO: should get track listitem so we can break it up, make a new track, mess it up, all that. */
2855 params.closest_wp = NULL;
2856 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_search_closest_tp, &params);
2857 if ( vtl->current_wp == params.closest_wp && vtl->current_wp != NULL )
2858 {
2859 /* how do we get here? I'm putting in the abort until we can figure it out. -alex */
2860 marker_begin_move(t, event->x, event->y);
2861 g_critical("shouldn't be here");
2862 exit(1);
2863 }
2864 else if ( params.closest_wp )
2865 {
2866 if ( event->button == 3 )
2867 vtl->waypoint_rightclick = TRUE; /* remember that we're clicking; other layers will ignore release signal */
2868 else
2869 vtl->waypoint_rightclick = FALSE;
2870
2871 vtl->current_wp = params.closest_wp;
2872 vtl->current_wp_name = params.closest_wp_name;
2873
2874 if ( params.closest_wp )
2875 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, g_hash_table_lookup ( vtl->waypoints_iters, vtl->current_wp_name ) );
2876
2877 /* could make it so don't update if old WP is off screen and new is null but oh well */
2878 vik_layer_emit_update ( VIK_LAYER(vtl) );
2879 return TRUE;
2880 }
2881
2882 vtl->current_wp = NULL;
2883 vtl->current_wp_name = NULL;
2884 vtl->waypoint_rightclick = FALSE;
2885 vik_layer_emit_update ( VIK_LAYER(vtl) );
2886 return FALSE;
2887}
2888
2889static gboolean tool_edit_waypoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
2890{
2891 tool_ed_t *t = data;
2892 VikViewport *vvp = t->vvp;
2893
2894 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2895 return FALSE;
2896
2897 if ( t->holding ) {
2898 VikCoord new_coord;
2899 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
2900
2901 /* snap to TP */
2902 if ( event->state & GDK_CONTROL_MASK )
2903 {
2904 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2905 if ( tp )
2906 new_coord = tp->coord;
2907 }
2908
2909 /* snap to WP */
2910 if ( event->state & GDK_SHIFT_MASK )
2911 {
2912 VikWaypoint *wp = closest_wp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2913 if ( wp && wp != vtl->current_wp )
2914 new_coord = wp->coord;
2915 }
2916
2917 {
2918 gint x, y;
2919 vik_viewport_coord_to_screen ( vvp, &new_coord, &x, &y );
2920 marker_moveto ( t, x, y );
2921 }
2922 return TRUE;
2923 }
2924 return FALSE;
2925}
2926
2927static gboolean tool_edit_waypoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
2928{
2929 tool_ed_t *t = data;
2930 VikViewport *vvp = t->vvp;
2931
2932 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2933 return FALSE;
2934
2935 if ( t->holding && event->button == 1 )
2936 {
2937 VikCoord new_coord;
2938 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
2939
2940 /* snap to TP */
2941 if ( event->state & GDK_CONTROL_MASK )
2942 {
2943 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2944 if ( tp )
2945 new_coord = tp->coord;
2946 }
2947
2948 /* snap to WP */
2949 if ( event->state & GDK_SHIFT_MASK )
2950 {
2951 VikWaypoint *wp = closest_wp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2952 if ( wp && wp != vtl->current_wp )
2953 new_coord = wp->coord;
2954 }
2955
2956 marker_end_move ( t );
2957
2958 vtl->current_wp->coord = new_coord;
2959 vik_layer_emit_update ( VIK_LAYER(vtl) );
2960 return TRUE;
2961 }
2962 /* PUT IN RIGHT PLACE!!! */
2963 if ( event->button == 3 && vtl->waypoint_rightclick )
2964 {
2965 if ( vtl->wp_right_click_menu )
2966 gtk_object_sink ( GTK_OBJECT(vtl->wp_right_click_menu) );
2967 vtl->wp_right_click_menu = GTK_MENU ( gtk_menu_new () );
2968 vik_trw_layer_sublayer_add_menu_items ( vtl, vtl->wp_right_click_menu, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, vtl->current_wp_name, g_hash_table_lookup ( vtl->waypoints_iters, vtl->current_wp_name ) );
2969 gtk_menu_popup ( vtl->wp_right_click_menu, NULL, NULL, NULL, NULL, event->button, gtk_get_current_event_time() );
2970 vtl->waypoint_rightclick = FALSE;
2971 }
2972 return FALSE;
2973}
2974
2975/*** New track ****/
2976
2977static gpointer tool_new_track_create ( VikWindow *vw, VikViewport *vvp)
2978{
2979 return vvp;
2980}
2981
2982static gboolean tool_new_track_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2983{
2984 VikTrackpoint *tp;
2985
2986 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2987 return FALSE;
2988
2989 if ( event->button == 3 && vtl->current_track )
2990 {
2991 /* undo */
2992 if ( vtl->current_track->trackpoints )
2993 {
2994 GList *last = g_list_last(vtl->current_track->trackpoints);
2995 g_free ( last->data );
2996 vtl->current_track->trackpoints = g_list_remove_link ( vtl->current_track->trackpoints, last );
2997 }
2998 vik_layer_emit_update ( VIK_LAYER(vtl) );
2999 return TRUE;
3000 }
3001
3002 if ( event->type == GDK_2BUTTON_PRESS )
3003 {
3004 /* subtract last (duplicate from double click) tp then end */
3005 if ( vtl->current_track && vtl->current_track->trackpoints && vtl->ct_x1 == vtl->ct_x2 && vtl->ct_y1 == vtl->ct_y2 )
3006 {
3007 GList *last = g_list_last(vtl->current_track->trackpoints);
3008 g_free ( last->data );
3009 vtl->current_track->trackpoints = g_list_remove_link ( vtl->current_track->trackpoints, last );
3010 /* undo last, then end */
3011 vtl->current_track = NULL;
3012 }
3013 return TRUE;
3014 }
3015
3016 if ( ! vtl->current_track )
3017 {
3018 gchar *name;
3019 if ( ( name = a_dialog_new_track ( VIK_GTK_WINDOW_FROM_LAYER(vtl), vtl->tracks ) ) )
3020 {
3021 vtl->current_track = vik_track_new();
3022 vtl->current_track->visible = TRUE;
3023 vik_trw_layer_add_track ( vtl, name, vtl->current_track );
3024 }
3025 else
3026 return TRUE;
3027 }
3028 tp = vik_trackpoint_new();
3029 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &(tp->coord) );
3030
3031 /* snap to other TP */
3032 if ( event->state & GDK_CONTROL_MASK )
3033 {
3034 VikTrackpoint *other_tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
3035 if ( other_tp )
3036 tp->coord = other_tp->coord;
3037 }
3038
3039 tp->newsegment = FALSE;
3040 tp->has_timestamp = FALSE;
3041 tp->timestamp = 0;
3042 tp->altitude = VIK_DEFAULT_ALTITUDE;
3043 vtl->current_track->trackpoints = g_list_append ( vtl->current_track->trackpoints, tp );
3044
3045 vtl->ct_x1 = vtl->ct_x2;
3046 vtl->ct_y1 = vtl->ct_y2;
3047 vtl->ct_x2 = event->x;
3048 vtl->ct_y2 = event->y;
3049
3050 vik_layer_emit_update ( VIK_LAYER(vtl) );
3051 return TRUE;
3052}
3053
3054
3055/*** New waypoint ****/
3056
3057static gpointer tool_new_waypoint_create ( VikWindow *vw, VikViewport *vvp)
3058{
3059 return vvp;
3060}
3061
3062static gboolean tool_new_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
3063{
3064 VikCoord coord;
3065 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3066 return FALSE;
3067 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &coord );
3068 if (vik_trw_layer_new_waypoint ( vtl, VIK_GTK_WINDOW_FROM_LAYER(vtl), &coord ) && VIK_LAYER(vtl)->visible)
3069 vik_layer_emit_update ( VIK_LAYER(vtl) );
3070 return TRUE;
3071}
3072
3073
3074/*** Edit trackpoint ****/
3075
3076static gpointer tool_edit_trackpoint_create ( VikWindow *vw, VikViewport *vvp)
3077{
3078 tool_ed_t *t = g_new(tool_ed_t, 1);
3079 t->vvp = vvp;
3080 t->holding = FALSE;
3081 return t;
3082}
3083
3084static gboolean tool_edit_trackpoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
3085{
3086 tool_ed_t *t = data;
3087 VikViewport *vvp = t->vvp;
3088 TPSearchParams params;
3089 /* OUTDATED DOCUMENTATION:
3090 find 5 pixel range on each side. then put these UTM, and a pointer
3091 to the winning track name (and maybe the winning track itself), and a
3092 pointer to the winning trackpoint, inside an array or struct. pass
3093 this along, do a foreach on the tracks which will do a foreach on the
3094 trackpoints. */
3095 params.vvp = vvp;
3096 params.x = event->x;
3097 params.y = event->y;
3098 params.closest_track_name = NULL;
3099 /* TODO: should get track listitem so we can break it up, make a new track, mess it up, all that. */
3100 params.closest_tp = NULL;
3101
3102 if ( event->button != 1 )
3103 return FALSE;
3104
3105 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3106 return FALSE;
3107
3108 if ( vtl->current_tpl )
3109 {
3110 /* first check if it is within range of prev. tp. and if current_tp track is shown. (if it is, we are moving that trackpoint.) */
3111 VikTrackpoint *tp = VIK_TRACKPOINT(vtl->current_tpl->data);
3112 VikTrack *current_tr = VIK_TRACK(g_hash_table_lookup(vtl->tracks, vtl->current_tp_track_name));
3113 gint x, y;
3114 g_assert ( current_tr );
3115
3116 vik_viewport_coord_to_screen ( vvp, &(tp->coord), &x, &y );
3117
3118 if ( current_tr->visible &&
3119 abs(x - event->x) < TRACKPOINT_SIZE_APPROX &&
3120 abs(y - event->y) < TRACKPOINT_SIZE_APPROX ) {
3121 marker_begin_move ( t, event->x, event->y );
3122 return TRUE;
3123 }
3124
3125 vtl->last_tpl = vtl->current_tpl;
3126 vtl->last_tp_track_name = vtl->current_tp_track_name;
3127 }
3128
3129 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_search_closest_tp, &params);
3130
3131 if ( params.closest_tp )
3132 {
3133 vtl->current_tpl = params.closest_tpl;
3134 vtl->current_tp_track_name = params.closest_track_name;
3135 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, g_hash_table_lookup ( vtl->tracks_iters, vtl->current_tp_track_name ) );
3136 trw_layer_tpwin_init ( vtl );
3137 vik_layer_emit_update ( VIK_LAYER(vtl) );
3138 return TRUE;
3139 }
3140
3141 /* these aren't the droids you're looking for */
3142 return FALSE;
3143}
3144
3145static gboolean tool_edit_trackpoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
3146{
3147 tool_ed_t *t = data;
3148 VikViewport *vvp = t->vvp;
3149
3150 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3151 return FALSE;
3152
3153 if ( t->holding )
3154 {
3155 VikCoord new_coord;
3156 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
3157
3158 /* snap to TP */
3159 if ( event->state & GDK_CONTROL_MASK )
3160 {
3161 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
3162 if ( tp && tp != vtl->current_tpl->data )
3163 new_coord = tp->coord;
3164 }
3165 // VIK_TRACKPOINT(vtl->current_tpl->data)->coord = new_coord;
3166 {
3167 gint x, y;
3168 vik_viewport_coord_to_screen ( vvp, &new_coord, &x, &y );
3169 marker_moveto ( t, x, y );
3170 }
3171
3172 return TRUE;
3173 }
3174 return FALSE;
3175}
3176
3177static gboolean tool_edit_trackpoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
3178{
3179 tool_ed_t *t = data;
3180 VikViewport *vvp = t->vvp;
3181
3182 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3183 return FALSE;
3184 if ( event->button != 1)
3185 return FALSE;
3186
3187 if ( t->holding ) {
3188 VikCoord new_coord;
3189 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
3190
3191 /* snap to TP */
3192 if ( event->state & GDK_CONTROL_MASK )
3193 {
3194 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
3195 if ( tp && tp != vtl->current_tpl->data )
3196 new_coord = tp->coord;
3197 }
3198
3199 VIK_TRACKPOINT(vtl->current_tpl->data)->coord = new_coord;
3200
3201 marker_end_move ( t );
3202
3203 /* diff dist is diff from orig */
3204 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
3205 /* can't join with itself! */
3206 trw_layer_cancel_last_tp ( vtl );
3207
3208 vik_layer_emit_update ( VIK_LAYER(vtl) );
3209 return TRUE;
3210 }
3211 return FALSE;
3212}
3213
3214
3215/*** Magic Scissors ***/
3216static gpointer tool_magic_scissors_create ( VikWindow *vw, VikViewport *vvp)
3217{
3218 return vvp;
3219}
3220
3221static gboolean tool_magic_scissors_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
3222{
3223 VikCoord tmp;
3224 if ( !vtl ) return FALSE;
3225 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &tmp );
3226 if ( vtl->magic_scissors_started || (event->state & GDK_CONTROL_MASK && vtl->magic_scissors_current_track) ) {
3227 struct LatLon start, end;
3228 gchar *cmd;
3229
3230 vik_coord_to_latlon ( &(vtl->magic_scissors_coord), &start );
3231 vik_coord_to_latlon ( &(tmp), &end );
3232 cmd = g_strdup_printf(GOOGLE_DIRECTIONS_STRING, start.lat, start.lon, end.lat, end.lon );
3233 vtl->magic_scissors_coord = tmp; /* for continuations */
3234
3235 /* these are checked when adding a track from a file (vik_trw_layer_filein_add_track) */
3236 if ( event->state & GDK_CONTROL_MASK && vtl->magic_scissors_current_track ) {
3237 vtl->magic_scissors_append = TRUE; // merge tracks. keep started true.
3238 } else {
3239 vtl->magic_scissors_check_added_track = TRUE;
3240 vtl->magic_scissors_started = FALSE;
3241 }
3242
3243 a_babel_convert_from_shellcommand ( vtl, cmd, "google", NULL, NULL );
3244 g_free ( cmd );
3245
3246 /* see if anything was done -- a track was added or appended to */
3247 if ( vtl->magic_scissors_check_added_track && vtl->magic_scissors_added_track_name ) {
3248 VikTrack *tr;
3249
3250 tr = g_hash_table_lookup ( vtl->tracks, vtl->magic_scissors_added_track_name );
3251
3252 if ( tr )
3253 vik_track_set_comment_no_copy ( tr, g_strdup_printf("from: %f,%f to: %f%f", start.lat, start.lon, end.lat, end.lon ) );
3254
3255 vtl->magic_scissors_current_track = tr;
3256
3257 g_free ( vtl->magic_scissors_added_track_name );
3258 vtl->magic_scissors_added_track_name = NULL;
3259 } else if ( vtl->magic_scissors_append == FALSE && vtl->magic_scissors_current_track ) {
3260 /* magic_scissors_append was originally TRUE but set to FALSE by filein_add_track */
3261 gchar *new_comment = g_strdup_printf("%s to: %f,%f", vtl->magic_scissors_current_track->comment, end.lat, end.lon );
3262 vik_track_set_comment_no_copy ( vtl->magic_scissors_current_track, new_comment );
3263 }
3264 vtl->magic_scissors_check_added_track = FALSE;
3265 vtl->magic_scissors_append = FALSE;
3266
3267 vik_layer_emit_update ( VIK_LAYER(vtl) );
3268 } else {
3269 vtl->magic_scissors_started = TRUE;
3270 vtl->magic_scissors_coord = tmp;
3271 vtl->magic_scissors_current_track = NULL;
3272 }
3273 return TRUE;
3274}
3275
3276/*** Show picture ****/
3277
3278static gpointer tool_show_picture_create ( VikWindow *vw, VikViewport *vvp)
3279{
3280 return vvp;
3281}
3282
3283/* Params are: vvp, event, last match found or NULL */
3284static void tool_show_picture_wp ( char *name, VikWaypoint *wp, gpointer params[2] )
3285{
3286 if ( wp->image && wp->visible )
3287 {
3288 gint x, y, slackx, slacky;
3289 GdkEventButton *event = (GdkEventButton *) params[1];
3290
3291 vik_viewport_coord_to_screen ( VIK_VIEWPORT(params[0]), &(wp->coord), &x, &y );
3292 slackx = wp->image_width / 2;
3293 slacky = wp->image_height / 2;
3294 if ( x <= event->x + slackx && x >= event->x - slackx
3295 && y <= event->y + slacky && y >= event->y - slacky )
3296 {
3297 params[2] = wp->image; /* we've found a match. however continue searching
3298 * since we want to find the last match -- that
3299 * is, the match that was drawn last. */
3300 }
3301 }
3302}
3303
3304static gboolean tool_show_picture_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
3305{
3306 gpointer params[3] = { vvp, event, NULL };
3307 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3308 return FALSE;
3309 g_hash_table_foreach ( vtl->waypoints, (GHFunc) tool_show_picture_wp, params );
3310 if ( params[2] )
3311 {
3312 /* thanks to the Gaim people for showing me ShellExecute and g_spawn_command_line_async */
3313#ifdef WINDOWS
3314 ShellExecute(NULL, NULL, (char *) params[2], NULL, ".\\", 0);
3315#else /* WINDOWS */
3316 GError *err = NULL;
3317 gchar *quoted_file = g_shell_quote ( (gchar *) params[2] );
3318 gchar *cmd = g_strdup_printf ( "eog %s", quoted_file );
3319 g_free ( quoted_file );
3320 if ( ! g_spawn_command_line_async ( cmd, &err ) )
3321 {
3322 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), "Could not launch eog to open file." );
3323 g_error_free ( err );
3324 }
3325 g_free ( cmd );
3326#endif /* WINDOWS */
3327 return TRUE; /* found a match */
3328 }
3329 else
3330 return FALSE; /* go through other layers, searching for a match */
3331}
3332
3333/***************************************************************************
3334 ** End tool code
3335 ***************************************************************************/
3336
3337
3338
3339
3340
3341static void image_wp_make_list ( char *name, VikWaypoint *wp, GSList **pics )
3342{
3343 if ( wp->image && ( ! a_thumbnails_exists ( wp->image ) ) )
3344 *pics = g_slist_append ( *pics, (gpointer) g_strdup ( wp->image ) );
3345}
3346
3347static void create_thumbnails_thread ( GSList *pics, gpointer threaddata )
3348{
3349 guint total = g_slist_length(pics), done = 0;
3350 while ( pics )
3351 {
3352 a_thumbnails_create ( (gchar *) pics->data );
3353 a_background_thread_progress ( threaddata, ((gdouble) ++done) / total );
3354 pics = pics->next;
3355 }
3356}
3357
3358static void free_pics_slist ( GSList *pics )
3359{
3360 while ( pics )
3361 {
3362 g_free ( pics->data );
3363 pics = g_slist_delete_link ( pics, pics );
3364 }
3365}
3366
3367static void trw_layer_verify_thumbnails ( VikTrwLayer *vtl, GtkWidget *vp )
3368{
3369 if ( ! vtl->has_verified_thumbnails )
3370 {
3371 GSList *pics = NULL;
3372 g_hash_table_foreach ( vtl->waypoints, (GHFunc) image_wp_make_list, &pics );
3373 if ( pics )
3374 {
3375 gint len = g_slist_length ( pics );
3376 gchar *tmp = g_strdup_printf ( "Creating %d Image Thumbnails...", len );
3377 a_background_thread ( VIK_GTK_WINDOW_FROM_LAYER(vtl), tmp, (vik_thr_func) create_thumbnails_thread, pics, (vik_thr_free_func) free_pics_slist, NULL, len );
3378 g_free ( tmp );
3379 }
3380 }
3381}
3382
3383VikCoordMode vik_trw_layer_get_coord_mode ( VikTrwLayer *vtl )
3384{
3385 return vtl->coord_mode;
3386}
3387
3388
3389
3390static void waypoint_convert ( const gchar *name, VikWaypoint *wp, VikCoordMode *dest_mode )
3391{
3392 vik_coord_convert ( &(wp->coord), *dest_mode );
3393}
3394
3395static void track_convert ( const gchar *name, VikTrack *tr, VikCoordMode *dest_mode )
3396{
3397 vik_track_convert ( tr, *dest_mode );
3398}
3399
3400static void trw_layer_change_coord_mode ( VikTrwLayer *vtl, VikCoordMode dest_mode )
3401{
3402 if ( vtl->coord_mode != dest_mode )
3403 {
3404 vtl->coord_mode = dest_mode;
3405 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_convert, &dest_mode );
3406 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_convert, &dest_mode );
3407 }
3408}
3409
3410VikWaypoint *vik_trw_layer_get_waypoint ( VikTrwLayer *vtl, gchar *name )
3411{
3412 return g_hash_table_lookup ( vtl->waypoints, name );
3413}
3414
3415VikTrack *vik_trw_layer_get_track ( VikTrwLayer *vtl, gchar *name )
3416{
3417 return g_hash_table_lookup ( vtl->tracks, name );
3418}
3419
3420static void vik_trw_layer_set_menu_selection(VikTrwLayer *vtl, guint16 selection)
3421{
3422 vtl->menu_selection = selection;
3423}
3424
3425static guint16 vik_trw_layer_get_menu_selection(VikTrwLayer *vtl)
3426{
3427 return(vtl->menu_selection);
3428}
3429
3430/* ----------- Downloading maps along tracks --------------- */
3431
3432static int get_download_area_width(VikViewport *vvp, gdouble zoom_level, struct LatLon *wh)
3433{
3434 /* TODO: calculating based on current size of viewport */
3435 const gdouble w_at_zoom_0_125 = 0.0013;
3436 const gdouble h_at_zoom_0_125 = 0.0011;
3437 gdouble zoom_factor = zoom_level/0.125;
3438
3439 wh->lat = h_at_zoom_0_125 * zoom_factor;
3440 wh->lon = w_at_zoom_0_125 * zoom_factor;
3441
3442 return 0; /* all OK */
3443}
3444
3445static VikCoord *get_next_coord(VikCoord *from, VikCoord *to, struct LatLon *dist, gdouble gradient)
3446{
3447 if ((dist->lon >= ABS(to->east_west - from->east_west)) &&
3448 (dist->lat >= ABS(to->north_south - from->north_south)))
3449 return NULL;
3450
3451 VikCoord *coord = g_malloc(sizeof(VikCoord));
3452 coord->mode = VIK_COORD_LATLON;
3453
3454 if (ABS(gradient) < 1) {
3455 if (from->east_west > to->east_west)
3456 coord->east_west = from->east_west - dist->lon;
3457 else
3458 coord->east_west = from->east_west + dist->lon;
3459 coord->north_south = gradient * (coord->east_west - from->east_west) + from->north_south;
3460 } else {
3461 if (from->north_south > to->north_south)
3462 coord->north_south = from->north_south - dist->lat;
3463 else
3464 coord->north_south = from->north_south + dist->lat;
3465 coord->east_west = (1/gradient) * (coord->north_south - from->north_south) + from->north_south;
3466 }
3467
3468 return coord;
3469}
3470
3471static GList *add_fillins(GList *list, VikCoord *from, VikCoord *to, struct LatLon *dist)
3472{
3473 /* TODO: handle virtical track (to->east_west - from->east_west == 0) */
3474 gdouble gradient = (to->north_south - from->north_south)/(to->east_west - from->east_west);
3475
3476 VikCoord *next = from;
3477 while (TRUE) {
3478 if ((next = get_next_coord(next, to, dist, gradient)) == NULL)
3479 break;
3480 list = g_list_prepend(list, next);
3481 }
3482
3483 return list;
3484}
3485
3486void vik_track_download_map(VikTrack *tr, VikMapsLayer *vml, VikViewport *vvp, gdouble zoom_level)
3487{
3488 typedef struct _Rect {
3489 VikCoord tl;
3490 VikCoord br;
3491 VikCoord center;
3492 } Rect;
3493#define GLRECT(iter) ((Rect *)((iter)->data))
3494
3495 struct LatLon wh;
3496 GList *rects_to_download = NULL;
3497 GList *rect_iter;
3498
3499 if (get_download_area_width(vvp, zoom_level, &wh))
3500 return;
3501
3502 GList *iter = tr->trackpoints;
3503 if (!iter)
3504 return;
3505
3506 gboolean new_map = TRUE;
3507 VikCoord *cur_coord, tl, br;
3508 Rect *rect;
3509 while (iter) {
3510 cur_coord = &(VIK_TRACKPOINT(iter->data))->coord;
3511 if (new_map) {
3512 vik_coord_set_area(cur_coord, &wh, &tl, &br);
3513 rect = g_malloc(sizeof(Rect));
3514 rect->tl = tl;
3515 rect->br = br;
3516 rect->center = *cur_coord;
3517 rects_to_download = g_list_prepend(rects_to_download, rect);
3518 new_map = FALSE;
3519 iter = iter->next;
3520 continue;
3521 }
3522 gboolean found = FALSE;
3523 for (rect_iter = rects_to_download; rect_iter; rect_iter = rect_iter->next) {
3524 if (vik_coord_inside(cur_coord, &GLRECT(rect_iter)->tl, &GLRECT(rect_iter)->br)) {
3525 found = TRUE;
3526 break;
3527 }
3528 }
3529 if (found)
3530 iter = iter->next;
3531 else
3532 new_map = TRUE;
3533 }
3534
3535 /* fill-ins for far apart points */
3536 GList *cur_rect, *next_rect;
3537 GList *fillins = NULL;
3538 for (cur_rect = rects_to_download;
3539 (next_rect = cur_rect->next) != NULL;
3540 cur_rect = cur_rect->next) {
3541 if ((wh.lon < ABS(GLRECT(cur_rect)->center.east_west - GLRECT(next_rect)->center.east_west)) ||
3542 (wh.lat < ABS(GLRECT(cur_rect)->center.north_south - GLRECT(next_rect)->center.north_south))) {
3543 fillins = add_fillins(fillins, &GLRECT(cur_rect)->center, &GLRECT(next_rect)->center, &wh);
3544 }
3545 }
3546
3547 if (fillins) {
3548 GList *iter = fillins;
3549 while (iter) {
3550 cur_coord = (VikCoord *)(iter->data);
3551 vik_coord_set_area(cur_coord, &wh, &tl, &br);
3552 rect = g_malloc(sizeof(Rect));
3553 rect->tl = tl;
3554 rect->br = br;
3555 rect->center = *cur_coord;
3556 rects_to_download = g_list_prepend(rects_to_download, rect);
3557 iter = iter->next;
3558 }
3559 }
3560
3561 for (rect_iter = rects_to_download; rect_iter; rect_iter = rect_iter->next) {
3562 maps_layer_download_section_without_redraw(vml, vvp, &(((Rect *)(rect_iter->data))->tl), &(((Rect *)(rect_iter->data))->br), zoom_level);
3563 }
3564
3565 if (fillins) {
3566 for (iter = fillins; iter; iter = iter->next)
3567 g_free(iter->data);
3568 g_list_free(fillins);
3569 }
3570 if (rects_to_download) {
3571 for (rect_iter = rects_to_download; rect_iter; rect_iter = rect_iter->next)
3572 g_free(rect_iter->data);
3573 g_list_free(rects_to_download);
3574 }
3575}
3576
3577static void trw_layer_download_map_along_track_cb(gpointer pass_along[6])
3578{
3579 VikMapsLayer *vml;
3580 gint selected_map, default_map;
3581 gchar *zoomlist[] = {"0.125", "0.25", "0.5", "1", "2", "4", "8", "16", "32", "64", "128", "256", "512", "1024", NULL };
3582 gdouble zoom_vals[] = {0.125, 0.25, 0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024};
3583 gint selected_zoom, default_zoom;
3584 int i,j;
3585
3586
3587 VikTrwLayer *vtl = pass_along[0];
3588 VikLayersPanel *vlp = pass_along[1];
3589 VikTrack *tr = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
3590 VikViewport *vvp = vik_window_viewport((VikWindow *)(VIK_GTK_WINDOW_FROM_LAYER(vtl)));
3591
3592 GList *vmls = vik_layers_panel_get_all_layers_of_type(vlp, VIK_LAYER_MAPS);
3593 int num_maps = g_list_length(vmls);
3594
3595 if (!num_maps) {
3596 a_dialog_msg(VIK_GTK_WINDOW_FROM_LAYER(vtl), GTK_MESSAGE_ERROR,"No map layer in use. Create one first", NULL);
3597 return;
3598 }
3599
3600 gchar **map_names = g_malloc(1 + num_maps * sizeof(gpointer));
3601 VikMapsLayer **map_layers = g_malloc(1 + num_maps * sizeof(gpointer));
3602
3603 gchar **np = map_names;
3604 VikMapsLayer **lp = map_layers;
3605 for (i = 0; i < num_maps; i++) {
3606 gboolean dup = FALSE;
3607 vml = (VikMapsLayer *)(vmls->data);
3608 for (j = 0; j < i; j++) { /* no duplicate allowed */
3609 if (vik_maps_layer_get_map_type(vml) == vik_maps_layer_get_map_type(map_layers[j])) {
3610 dup = TRUE;
3611 break;
3612 }
3613 }
3614 if (!dup) {
3615 *lp++ = vml;
3616 *np++ = vik_maps_layer_get_map_label(vml);
3617 }
3618 vmls = vmls->next;
3619 }
3620 *lp = NULL;
3621 *np = NULL;
3622 num_maps = lp - map_layers;
3623
3624 for (default_map = 0; default_map < num_maps; default_map++) {
3625 /* TODO: check for parent layer's visibility */
3626 if (VIK_LAYER(map_layers[default_map])->visible)
3627 break;
3628 }
3629 default_map = (default_map == num_maps) ? 0 : default_map;
3630
3631 gdouble cur_zoom = vik_viewport_get_zoom(vvp);
3632 for (default_zoom = 0; default_zoom < sizeof(zoom_vals)/sizeof(gdouble); default_zoom++) {
3633 if (cur_zoom == zoom_vals[default_zoom])
3634 break;
3635 }
3636 default_zoom = (default_zoom == sizeof(zoom_vals)/sizeof(gdouble)) ? sizeof(zoom_vals)/sizeof(gdouble) - 1 : default_zoom;
3637
3638 if (!a_dialog_map_n_zoom(VIK_GTK_WINDOW_FROM_LAYER(vtl), map_names, default_map, zoomlist, default_zoom, &selected_map, &selected_zoom))
3639 goto done;
3640
3641 vik_track_download_map(tr, map_layers[selected_map], vvp, zoom_vals[selected_zoom]);
3642
3643done:
3644 for (i = 0; i < num_maps; i++)
3645 g_free(map_names[i]);
3646 g_free(map_names);
3647 g_free(map_layers);
3648
3649 g_list_free(vmls);
3650
3651}
3652
Viking GPS editor