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Fixes to Alex's last patch
[andy/viking.git] / src / viktrwlayer.c
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50a14534
EB		 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#include "viking.h"
28#include "viktrwlayer_pixmap.h"
29#include "viktrwlayer_tpwin.h"
30#include "viktrwlayer_propwin.h"
31#include "thumbnails.h"
32#include "background.h"
33
34#include <math.h>
35#include <string.h>
36#include <stdlib.h>
37#include <ctype.h>
38
39#define VIK_TRW_LAYER_TRACK_GC 13
40#define VIK_TRW_LAYER_TRACK_GC_RATES 10
41#define VIK_TRW_LAYER_TRACK_GC_MIN 0
42#define VIK_TRW_LAYER_TRACK_GC_MAX 11
43#define VIK_TRW_LAYER_TRACK_GC_BLACK 12
44
45#define DRAWMODE_BY_TRACK 0
46#define DRAWMODE_BY_VELOCITY 1
47#define DRAWMODE_ALL_BLACK 2
48
49#define POINTS 1
50#define LINES 2
51
52/* this is how it knows when you click if you are clicking close to a trackpoint. */
53#define TRACKPOINT_SIZE_APPROX 5
54#define WAYPOINT_SIZE_APPROX 5
55
56enum {
57VIK_TRW_LAYER_SUBLAYER_TRACKS,
58VIK_TRW_LAYER_SUBLAYER_WAYPOINTS,
59VIK_TRW_LAYER_SUBLAYER_TRACK,
60VIK_TRW_LAYER_SUBLAYER_WAYPOINT
61};
62
63enum { WP_SYMBOL_FILLED_SQUARE, WP_SYMBOL_SQUARE, WP_SYMBOL_CIRCLE, WP_SYMBOL_X, WP_NUM_SYMBOLS };
64
65struct _VikTrwLayer {
66 VikLayer vl;
67 GHashTable *tracks;
68 GHashTable *tracks_iters;
69 GHashTable *waypoints_iters;
70 GHashTable *waypoints;
71 GtkTreeIter waypoints_iter, tracks_iter;
72 gboolean tracks_visible, waypoints_visible;
73 guint8 drawmode;
74 guint8 drawpoints;
75 guint8 drawlines;
76 guint8 line_thickness;
77 guint8 bg_line_thickness;
78
79 guint8 wp_symbol;
80 guint8 wp_size;
81
82 gdouble velocity_min, velocity_max;
83 GArray *track_gc;
84 guint16 track_gc_iter;
85 GdkGC *track_bg_gc;
86 GdkGC *waypoint_gc;
87 GdkGC *waypoint_text_gc;
88 GdkGC *waypoint_bg_gc;
89 GdkFont *waypoint_font;
90 VikTrack *current_track;
91 guint16 ct_x1, ct_y1, ct_x2, ct_y2;
92
93 VikCoordMode coord_mode;
94
95 /* wp editing tool */
96 VikWaypoint *current_wp;
97 gchar *current_wp_name;
98 gboolean moving_wp;
99 gboolean waypoint_rightclick;
100
101 /* track editing tool */
102 GList *current_tpl;
103 gchar *current_tp_track_name;
104 VikTrwLayerTpwin *tpwin;
105
106 /* weird hack for joining tracks */
107 GList *last_tpl;
108 gchar *last_tp_track_name;
109
110 /* track editing tool -- more specifically, moving tps */
111 gboolean moving_tp;
112
113 gboolean drawlabels;
114 gboolean drawimages;
115 guint8 image_alpha;
116 GQueue *image_cache;
117 guint8 image_size;
118 guint16 image_cache_size;
119
120 /* for waypoint text */
121 PangoLayout *wplabellayout;
122
123 gboolean has_verified_thumbnails;
124
125 GtkMenu *wp_right_click_menu;
126
127};
128
129/* A caached waypoint image. */
130typedef struct {
131 GdkPixbuf *pixbuf;
132 gchar *image; /* filename */
133} CachedPixbuf;
134
135struct DrawingParams {
136 VikViewport *vp;
137 VikTrwLayer *vtl;
138 gdouble xmpp, ympp;
139 guint16 width, height;
140 const VikCoord *center;
141 gint track_gc_iter;
142 gboolean one_zone, lat_lon;
143 gdouble ce1, ce2, cn1, cn2;
144};
145
146static void trw_layer_find_maxmin_waypoints ( const gchar *name, const VikWaypoint *w, struct LatLon maxmin[2] );
147static void trw_layer_find_maxmin_tracks ( const gchar *name, GList **t, struct LatLon maxmin[2] );
148
149static void trw_layer_new_track_gcs ( VikTrwLayer *vtl, VikViewport *vp );
150static void trw_layer_free_track_gcs ( VikTrwLayer *vtl );
151
152static gint calculate_velocity ( VikTrwLayer *vtl, VikTrackpoint *tp1, VikTrackpoint *tp2 );
153static void trw_layer_draw_track_cb ( const gchar *name, VikTrack *track, struct DrawingParams *dp );
154static void trw_layer_draw_waypoint ( const gchar *name, VikWaypoint *wp, struct DrawingParams *dp );
155
156static void goto_coord ( VikLayersPanel *vlp, const VikCoord *coord );
157static void trw_layer_goto_track_startpoint ( gpointer pass_along[5] );
158static void trw_layer_goto_track_endpoint ( gpointer pass_along[6] );
111fa174
AF		 159static void trw_layer_merge_by_timestamp ( gpointer pass_along[6] );
160static void trw_layer_split_by_timestamp ( gpointer pass_along[6] );
50a14534
EB		 161static void trw_layer_centerize ( gpointer layer_and_vlp[2] );
162static void trw_layer_export ( gpointer layer_and_vlp[2], guint file_type );
163static void trw_layer_goto_wp ( gpointer layer_and_vlp[2] );
164static void trw_layer_new_wp ( gpointer lav[2] );
165
166/* pop-up items */
167static void trw_layer_properties_item ( gpointer pass_along[5] );
168static void trw_layer_goto_waypoint ( gpointer pass_along[5] );
169static void trw_layer_waypoint_gc_webpage ( gpointer pass_along[5] );
170
171static void trw_layer_realize_waypoint ( gchar *name, VikWaypoint *wp, gpointer pass_along[4] );
172static void trw_layer_realize_track ( gchar *name, VikTrack *track, gpointer pass_along[4] );
173static void init_drawing_params ( struct DrawingParams *dp, VikViewport *vp );
174
175static gboolean tool_new_waypoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
176static gboolean tool_new_track ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
177
178static VikTrwLayer *trw_layer_copy ( VikTrwLayer *vtl, gpointer vp );
179static gboolean trw_layer_set_param ( VikTrwLayer *vtl, guint16 id, VikLayerParamData data, VikViewport *vp );
180static VikLayerParamData trw_layer_get_param ( VikTrwLayer *vtl, guint16 id );
181
182static gpointer trw_layer_copy_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer );
183static gboolean trw_layer_paste_item ( VikTrwLayer *vtl, gint subtype, gpointer item );
184static void trw_layer_free_copied_item ( gint subtype, gpointer item );
185
186static void trw_layer_cancel_tps_of_track ( VikTrwLayer *vtl, const gchar *trk_name );
187static void trw_layer_cancel_last_tp ( VikTrwLayer *vtl );
188static void trw_layer_cancel_current_tp ( VikTrwLayer *vtl, gboolean destroy );
189static void trw_layer_tpwin_response ( VikTrwLayer *vtl, gint response );
190static void trw_layer_tpwin_init ( VikTrwLayer *vtl );
191static gboolean tool_edit_trackpoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
192static gboolean tool_edit_trackpoint_release ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
193static gboolean tool_show_picture ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
194
195static gboolean tool_edit_waypoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
196static gboolean tool_edit_waypoint_release ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
197
198static gboolean uppercase_exists_in_hash ( GHashTable *hash, const gchar *str );
199
200static void cached_pixbuf_free ( CachedPixbuf *cp );
201static gint cached_pixbuf_cmp ( CachedPixbuf *cp, const gchar *name );
202static void trw_layer_verify_thumbnails ( VikTrwLayer *vtl, GtkWidget *vp );
203
204static VikTrackpoint *closest_tp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y );
205static VikWaypoint *closest_wp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y );
206
207static void trw_layer_change_coord_mode ( VikTrwLayer *vtl, VikCoordMode dest_mode );
208
209static VikToolInterface trw_layer_tools[] = {
210 { "Create Waypoint", (VikToolInterfaceFunc) tool_new_waypoint, NULL },
211 { "Create Track", (VikToolInterfaceFunc) tool_new_track, NULL },
212 { "Edit Waypoint", (VikToolInterfaceFunc) tool_edit_waypoint, (VikToolInterfaceFunc) tool_edit_waypoint_release },
213 { "Edit Trackpoint", (VikToolInterfaceFunc) tool_edit_trackpoint, (VikToolInterfaceFunc) tool_edit_trackpoint_release },
214 { "Show Picture", (VikToolInterfaceFunc) tool_show_picture, NULL },
215};
216
217
218/****** PARAMETERS ******/
219
220static gchar *params_groups[] = { "Waypoints", "Tracks", "Waypoint Images" };
221enum { GROUP_WAYPOINTS, GROUP_TRACKS, GROUP_IMAGES };
222
223static gchar *params_drawmodes[] = { "Draw by Track", "Draw by Velocity", "All Tracks Black", 0 };
224static gchar *params_wpsymbols[] = { "Filled Square", "Square", "Circle", "X", 0 };
225
226static VikLayerParamScale params_scales[] = {
227 /* min max step digits */
228 { 1, 10, 1, 0 }, /* line_thickness */
229 { 0.0, 99.0, 1, 2 }, /* velocity_min */
230 { 1.0, 100.0, 1.0, 2 }, /* velocity_max */
231 /* 5 * step == how much to turn */
232 { 16, 128, 3.2, 0 }, /* image_size */
233 { 0, 255, 5, 0 }, /* image alpha */
234 { 5, 500, 5, 0 }, /* image cache_size */
235 { 0, 8, 1, 0 }, /* image cache_size */
236 { 1, 64, 1, 0 }, /* wpsize */
237};
238
239VikLayerParam trw_layer_params[] = {
240 { "tracks_visible", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_NOT_IN_PROPERTIES },
241 { "waypoints_visible", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_NOT_IN_PROPERTIES },
242
243 { "drawmode", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track Drawing Mode:", VIK_LAYER_WIDGET_RADIOGROUP, params_drawmodes },
244 { "drawlines", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Track Lines", VIK_LAYER_WIDGET_CHECKBUTTON },
245 { "drawpoints", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Trackpoints", VIK_LAYER_WIDGET_CHECKBUTTON },
246 { "line_thickness", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track Thickness:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 0 },
247 { "bg_line_thickness", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track BG Thickness:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 6 },
248 { "trackbgcolor", VIK_LAYER_PARAM_COLOR, GROUP_TRACKS, "Track Background Color", VIK_LAYER_WIDGET_COLOR, 0 },
249 { "velocity_min", VIK_LAYER_PARAM_DOUBLE, GROUP_TRACKS, "Min Track Velocity:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 1 },
250 { "velocity_max", VIK_LAYER_PARAM_DOUBLE, GROUP_TRACKS, "Max Track Velocity:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 2 },
251
252 { "drawlabels", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Draw Labels", VIK_LAYER_WIDGET_CHECKBUTTON },
253 { "wpcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Waypoint Color:", VIK_LAYER_WIDGET_COLOR, 0 },
254 { "wptextcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Waypoint Text:", VIK_LAYER_WIDGET_COLOR, 0 },
255 { "wpbgcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Background:", VIK_LAYER_WIDGET_COLOR, 0 },
256 { "wpbgand", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Fake BG Color Translucency:", VIK_LAYER_WIDGET_CHECKBUTTON, 0 },
257 { "wpsymbol", VIK_LAYER_PARAM_UINT, GROUP_WAYPOINTS, "Waypoint symbol:", VIK_LAYER_WIDGET_RADIOGROUP, params_wpsymbols },
258 { "wpsize", VIK_LAYER_PARAM_UINT, GROUP_WAYPOINTS, "Waypoint size:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 7 },
259
260 { "drawimages", VIK_LAYER_PARAM_BOOLEAN, GROUP_IMAGES, "Draw Waypoint Images", VIK_LAYER_WIDGET_CHECKBUTTON },
261 { "image_size", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Size (pixels):", VIK_LAYER_WIDGET_HSCALE, params_scales + 3 },
262 { "image_alpha", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Alpha:", VIK_LAYER_WIDGET_HSCALE, params_scales + 4 },
263 { "image_cache_size", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Memory Cache Size:", VIK_LAYER_WIDGET_HSCALE, params_scales + 5 },
264};
265
266enum { PARAM_TV, PARAM_WV, PARAM_DM, PARAM_DL, PARAM_DP, 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_DI, PARAM_IS, PARAM_IA, PARAM_ICS, NUM_PARAMS };
267
268/****** END PARAMETERS ******/
269
270VikLayerInterface vik_trw_layer_interface = {
271 "TrackWaypoint",
272 &trwlayer_pixbuf,
273
274 trw_layer_tools,
275 sizeof(trw_layer_tools) / sizeof(VikToolInterface),
276
277 trw_layer_params,
278 NUM_PARAMS,
279 params_groups, /* params_groups */
280 sizeof(params_groups)/sizeof(params_groups[0]), /* number of groups */
281
282 (VikLayerFuncCreate) vik_trw_layer_create,
283 (VikLayerFuncRealize) vik_trw_layer_realize,
284 (VikLayerFuncPostRead) trw_layer_verify_thumbnails,
285 (VikLayerFuncFree) vik_trw_layer_free,
286
287 (VikLayerFuncProperties) NULL,
288 (VikLayerFuncDraw) vik_trw_layer_draw,
289 (VikLayerFuncChangeCoordMode) trw_layer_change_coord_mode,
290
291 (VikLayerFuncAddMenuItems) vik_trw_layer_add_menu_items,
292 (VikLayerFuncSublayerAddMenuItems) vik_trw_layer_sublayer_add_menu_items,
293
294 (VikLayerFuncSublayerRenameRequest) vik_trw_layer_sublayer_rename_request,
295 (VikLayerFuncSublayerToggleVisible) vik_trw_layer_sublayer_toggle_visible,
296
297 (VikLayerFuncCopy) trw_layer_copy,
298
299 (VikLayerFuncSetParam) trw_layer_set_param,
300 (VikLayerFuncGetParam) trw_layer_get_param,
301
302 (VikLayerFuncReadFileData) a_gpspoint_read_file,
303 (VikLayerFuncWriteFileData) a_gpspoint_write_file,
304
305 (VikLayerFuncCopyItem) trw_layer_copy_item,
306 (VikLayerFuncPasteItem) trw_layer_paste_item,
307 (VikLayerFuncFreeCopiedItem) trw_layer_free_copied_item,
308};
309
310/* for copy & paste (I think?) */
311typedef struct {
312 gchar *name;
313 VikWaypoint *wp;
314} NamedWaypoint;
315
316typedef struct {
317 gchar *name;
318 VikTrack *tr;
319} NamedTrack;
320
321GType vik_trw_layer_get_type ()
322{
323 static GType vtl_type = 0;
324
325 if (!vtl_type)
326 {
327 static const GTypeInfo vtl_info =
328 {
329 sizeof (VikTrwLayerClass),
330 NULL, /* base_init */
331 NULL, /* base_finalize */
332 NULL, /* class init */
333 NULL, /* class_finalize */
334 NULL, /* class_data */
335 sizeof (VikTrwLayer),
336 0,
337 NULL /* instance init */
338 };
339 vtl_type = g_type_register_static ( VIK_LAYER_TYPE, "VikTrwLayer", &vtl_info, 0 );
340 }
341
342 return vtl_type;
343}
344
345
346static gpointer trw_layer_copy_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer )
347{
348 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT && sublayer )
349 {
350 NamedWaypoint *nw = g_malloc ( sizeof ( NamedWaypoint ) );
351 nw->name = g_strdup(sublayer);
352 nw->wp = vik_waypoint_copy ( g_hash_table_lookup ( vtl->waypoints, sublayer ) );
353 return nw;
354 }
355 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK && sublayer )
356 {
357 NamedTrack *nt = g_malloc ( sizeof ( NamedTrack ) );
358 nt->name = g_strdup(sublayer);
359 nt->tr = g_hash_table_lookup ( vtl->tracks, sublayer );
360 vik_track_ref(nt->tr);
361 return nt;
362 }
363 return NULL;
364}
365
366static gboolean trw_layer_paste_item ( VikTrwLayer *vtl, gint subtype, gpointer item )
367{
368 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT && item )
369 {
370 NamedWaypoint *nw = (NamedWaypoint *) item;
371 vik_trw_layer_add_waypoint ( vtl, g_strdup(nw->name), vik_waypoint_copy(nw->wp) );
372 return TRUE;
373 }
374 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK && item )
375 {
376 NamedTrack *nt = (NamedTrack *) item;
377 vik_trw_layer_add_track ( vtl, g_strdup(nt->name), vik_track_copy(nt->tr) );
378 return TRUE;
379 }
380 return FALSE;
381}
382
383static void trw_layer_free_copied_item ( gint subtype, gpointer item )
384{
385 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT && item )
386 {
387 NamedWaypoint *nw = (NamedWaypoint *) item;
388 g_free ( nw->name );
389 vik_waypoint_free ( nw->wp );
390 g_free ( nw );
391 }
392 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK && item )
393 {
394 NamedTrack *nt = (NamedTrack *) item;
395 g_free ( nt->name );
396 vik_track_free ( nt->tr );
397 g_free ( nt );
398 }
399}
400
401static void waypoint_copy ( const gchar *name, VikWaypoint *wp, GHashTable *dest )
402{
403 g_hash_table_insert ( dest, g_strdup(name), vik_waypoint_copy(wp) );
404}
405
406static gboolean trw_layer_set_param ( VikTrwLayer *vtl, guint16 id, VikLayerParamData data, VikViewport *vp )
407{
408 switch ( id )
409 {
410 case PARAM_TV: vtl->tracks_visible = data.b; break;
411 case PARAM_WV: vtl->waypoints_visible = data.b; break;
412 case PARAM_DM: vtl->drawmode = data.u; break;
413 case PARAM_DP: vtl->drawpoints = data.b; break;
414 case PARAM_DL: vtl->drawlines = data.b; break;
415 case PARAM_LT: if ( data.u > 0 && data.u < 15 && data.u != vtl->line_thickness )
416 {
417 vtl->line_thickness = data.u;
418 trw_layer_new_track_gcs ( vtl, vp );
419 }
420 break;
421 case PARAM_BLT: if ( data.u > 0 && data.u <= 8 && data.u != vtl->bg_line_thickness )
422 {
423 vtl->bg_line_thickness = data.u;
424 trw_layer_new_track_gcs ( vtl, vp );
425 }
426 break;
427 case PARAM_VMIN: vtl->velocity_min = data.d; break;
428 case PARAM_VMAX: vtl->velocity_max = data.d; break;
429 case PARAM_TBGC: gdk_gc_set_rgb_fg_color(vtl->track_bg_gc, &(data.c)); break;
430 case PARAM_DLA: vtl->drawlabels = data.b; break;
431 case PARAM_DI: vtl->drawimages = data.b; break;
432 case PARAM_IS: if ( data.u != vtl->image_size )
433 {
434 vtl->image_size = data.u;
435 g_list_foreach ( vtl->image_cache->head, (GFunc) cached_pixbuf_free, NULL );
436 g_queue_free ( vtl->image_cache );
437 vtl->image_cache = g_queue_new ();
438 }
439 break;
440 case PARAM_IA: vtl->image_alpha = data.u; break;
441 case PARAM_ICS: vtl->image_cache_size = data.u;
442 while ( vtl->image_cache->length > vtl->image_cache_size ) /* if shrinking cache_size, free pixbuf ASAP */
443 cached_pixbuf_free ( g_queue_pop_tail ( vtl->image_cache ) );
444 break;
445 case PARAM_WPC: gdk_gc_set_rgb_fg_color(vtl->waypoint_gc, &(data.c)); break;
446 case PARAM_WPTC: gdk_gc_set_rgb_fg_color(vtl->waypoint_text_gc, &(data.c)); break;
447 case PARAM_WPBC: gdk_gc_set_rgb_fg_color(vtl->waypoint_bg_gc, &(data.c)); break;
448 case PARAM_WPBA: gdk_gc_set_function(vtl->waypoint_bg_gc, data.b ? GDK_AND : GDK_COPY ); break;
449 case PARAM_WPSYM: if ( data.u < WP_NUM_SYMBOLS ) vtl->wp_symbol = data.u; break;
450 case PARAM_WPSIZE: if ( data.u > 0 && data.u <= 64 ) vtl->wp_size = data.u; break;
451 }
452 return TRUE;
453}
454
455static VikLayerParamData trw_layer_get_param ( VikTrwLayer *vtl, guint16 id )
456{
457 VikLayerParamData rv;
458 switch ( id )
459 {
460 case PARAM_TV: rv.b = vtl->tracks_visible; break;
461 case PARAM_WV: rv.b = vtl->waypoints_visible; break;
462 case PARAM_DM: rv.u = vtl->drawmode; break;
463 case PARAM_DP: rv.b = vtl->drawpoints; break;
464 case PARAM_DL: rv.b = vtl->drawlines; break;
465 case PARAM_LT: rv.u = vtl->line_thickness; break;
466 case PARAM_BLT: rv.u = vtl->bg_line_thickness; break;
467 case PARAM_VMIN: rv.d = vtl->velocity_min; break;
468 case PARAM_VMAX: rv.d = vtl->velocity_max; break;
469 case PARAM_DLA: rv.b = vtl->drawlabels; break;
470 case PARAM_DI: rv.b = vtl->drawimages; break;
471 case PARAM_TBGC: vik_gc_get_fg_color(vtl->track_bg_gc, &(rv.c)); break;
472 case PARAM_IS: rv.u = vtl->image_size; break;
473 case PARAM_IA: rv.u = vtl->image_alpha; break;
474 case PARAM_ICS: rv.u = vtl->image_cache_size; break;
475 case PARAM_WPC: vik_gc_get_fg_color(vtl->waypoint_gc, &(rv.c)); break;
476 case PARAM_WPTC: vik_gc_get_fg_color(vtl->waypoint_text_gc, &(rv.c)); break;
477 case PARAM_WPBC: vik_gc_get_fg_color(vtl->waypoint_bg_gc, &(rv.c)); break;
478 case PARAM_WPBA: rv.b = (vik_gc_get_function(vtl->waypoint_bg_gc)==GDK_AND); break;
479 case PARAM_WPSYM: rv.u = vtl->wp_symbol; break;
480 case PARAM_WPSIZE: rv.u = vtl->wp_size; break;
481 }
482 return rv;
483}
484
485static void track_copy ( const gchar *name, VikTrack *tr, GHashTable *dest )
486{
487 g_hash_table_insert ( dest, g_strdup ( name ), vik_track_copy(tr) );
488}
489
490static VikTrwLayer *trw_layer_copy ( VikTrwLayer *vtl, gpointer vp )
491{
492 VikTrwLayer *rv = vik_trw_layer_new ( vtl->drawmode );
493 PangoFontDescription *pfd;
494 rv->wplabellayout = gtk_widget_create_pango_layout (GTK_WIDGET(vp), NULL);
495 pfd = pango_font_description_from_string (WAYPOINT_FONT);
496 pango_layout_set_font_description (rv->wplabellayout, pfd);
497 /* freeing PangoFontDescription, cause it has been copied by prev. call */
498 pango_font_description_free (pfd);
499
500 rv->tracks_visible = vtl->tracks_visible;
501 rv->waypoints_visible = vtl->waypoints_visible;
502 rv->drawpoints = vtl->drawpoints;
503 rv->drawlines = vtl->drawlines;
504 rv->line_thickness = vtl->line_thickness;
505 rv->bg_line_thickness = vtl->bg_line_thickness;
506 rv->velocity_min = vtl->velocity_min;
507 rv->velocity_max = vtl->velocity_max;
508 rv->drawlabels = vtl->drawlabels;
509 rv->drawimages = vtl->drawimages;
510 rv->image_size = vtl->image_size;
511 rv->image_alpha = vtl->image_alpha;
512 rv->image_cache_size = vtl->image_cache_size;
513 rv->has_verified_thumbnails = TRUE;
514 rv->coord_mode = vtl->coord_mode;
515 rv->wp_symbol = vtl->wp_symbol;
516 rv->wp_size = vtl->wp_size;
517
518 trw_layer_new_track_gcs ( rv, VIK_VIEWPORT(vp) );
519
520 rv->waypoint_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
521 gdk_gc_set_line_attributes ( rv->waypoint_gc, 2, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
522
523 rv->waypoint_text_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
524 rv->waypoint_bg_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
525 gdk_gc_copy ( rv->waypoint_gc, vtl->waypoint_gc );
526 gdk_gc_copy ( rv->waypoint_text_gc, vtl->waypoint_text_gc );
527 gdk_gc_copy ( rv->waypoint_bg_gc, vtl->waypoint_bg_gc );
528
529 rv->waypoint_font = gdk_font_load ( "-*-helvetica-bold-r-normal-*-*-100-*-*-p-*-iso8859-1" );
530
531 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_copy, rv->waypoints );
532 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_copy, rv->tracks );
533
534 return rv;
535}
536
537VikTrwLayer *vik_trw_layer_new ( gint drawmode )
538{
539 VikTrwLayer *rv = VIK_TRW_LAYER ( g_object_new ( VIK_TRW_LAYER_TYPE, NULL ) );
540 vik_layer_init ( VIK_LAYER(rv), VIK_LAYER_TRW );
541
542 rv->waypoints = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, (GDestroyNotify) vik_waypoint_free );
543 rv->tracks = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, (GDestroyNotify) vik_track_free );
544 rv->tracks_iters = g_hash_table_new_full ( g_str_hash, g_str_equal, NULL, g_free );
545 rv->waypoints_iters = g_hash_table_new_full ( g_str_hash, g_str_equal, NULL, g_free );
546
547 /* TODO: constants at top */
548 rv->waypoints_visible = rv->tracks_visible = TRUE;
549 rv->drawmode = drawmode;
550 rv->drawpoints = TRUE;
551 rv->drawlines = TRUE;
552 rv->wplabellayout = NULL;
553 rv->wp_right_click_menu = NULL;
554 rv->waypoint_gc = NULL;
555 rv->waypoint_text_gc = NULL;
556 rv->waypoint_bg_gc = NULL;
557 rv->track_gc = NULL;
558 rv->velocity_max = 5.0;
559 rv->velocity_min = 0.0;
560 rv->line_thickness = 1;
561 rv->line_thickness = 0;
562 rv->current_wp = NULL;
563 rv->current_wp_name = NULL;
564 rv->current_track = NULL;
565 rv->current_tpl = NULL;
566 rv->current_tp_track_name = NULL;
567 rv->moving_tp = FALSE;
568 rv->moving_wp = FALSE;
569 rv->waypoint_rightclick = FALSE;
570 rv->last_tpl = NULL;
571 rv->last_tp_track_name = NULL;
572 rv->tpwin = NULL;
573 rv->image_cache = g_queue_new();
574 rv->image_size = 64;
575 rv->image_alpha = 255;
576 rv->image_cache_size = 300;
577 rv->drawimages = TRUE;
578 rv->drawlabels = TRUE;
579 return rv;
580}
581
582
583void vik_trw_layer_free ( VikTrwLayer *trwlayer )
584{
585 g_hash_table_destroy(trwlayer->waypoints);
586 g_hash_table_destroy(trwlayer->tracks);
587
588 /* ODC: replace with GArray */
589 trw_layer_free_track_gcs ( trwlayer );
590
591 if ( trwlayer->wp_right_click_menu )
592 gtk_object_sink ( GTK_OBJECT(trwlayer->wp_right_click_menu) );
593
594 if ( trwlayer->wplabellayout != NULL)
595 g_object_unref ( G_OBJECT ( trwlayer->wplabellayout ) );
596
597 if ( trwlayer->waypoint_gc != NULL )
598 g_object_unref ( G_OBJECT ( trwlayer->waypoint_gc ) );
599
600 if ( trwlayer->waypoint_text_gc != NULL )
601 g_object_unref ( G_OBJECT ( trwlayer->waypoint_text_gc ) );
602
603 if ( trwlayer->waypoint_bg_gc != NULL )
604 g_object_unref ( G_OBJECT ( trwlayer->waypoint_bg_gc ) );
605
606 if ( trwlayer->waypoint_font != NULL )
607 gdk_font_unref ( trwlayer->waypoint_font );
608
609 if ( trwlayer->tpwin != NULL )
610 gtk_widget_destroy ( GTK_WIDGET(trwlayer->tpwin) );
611
612 g_list_foreach ( trwlayer->image_cache->head, (GFunc) cached_pixbuf_free, NULL );
613 g_queue_free ( trwlayer->image_cache );
614}
615
616static void init_drawing_params ( struct DrawingParams *dp, VikViewport *vp )
617{
618 dp->vp = vp;
619 dp->xmpp = vik_viewport_get_xmpp ( vp );
620 dp->ympp = vik_viewport_get_ympp ( vp );
621 dp->width = vik_viewport_get_width ( vp );
622 dp->height = vik_viewport_get_height ( vp );
623 dp->center = vik_viewport_get_center ( vp );
624 dp->one_zone = vik_viewport_is_one_zone ( vp ); /* false if some other projection besides UTM */
625 dp->lat_lon = vik_viewport_get_coord_mode ( vp ) == VIK_COORD_LATLON;
626
627 if ( dp->one_zone )
628 {
629 gint w2, h2;
630 w2 = dp->xmpp * (dp->width / 2) + 1600 / dp->xmpp;
631 h2 = dp->ympp * (dp->height / 2) + 1600 / dp->ympp;
632 /* leniency -- for tracks. Obviously for waypoints this SHOULD be a lot smaller */
633
634 dp->ce1 = dp->center->east_west-w2;
635 dp->ce2 = dp->center->east_west+w2;
636 dp->cn1 = dp->center->north_south-h2;
637 dp->cn2 = dp->center->north_south+h2;
638 } else if ( dp->lat_lon ) {
639 VikCoord upperleft, bottomright;
640 /* quick & dirty calculation; really want to check all corners due to lat/lon smaller at top in northern hemisphere */
641 /* this also DOESN'T WORK if you are crossing 180/-180 lon. I don't plan to in the near future... */
642 vik_viewport_screen_to_coord ( vp, -500, -500, &upperleft );
643 vik_viewport_screen_to_coord ( vp, dp->width+500, dp->height+500, &bottomright );
644 dp->ce1 = upperleft.east_west;
645 dp->ce2 = bottomright.east_west;
646 dp->cn1 = bottomright.north_south;
647 dp->cn2 = upperleft.north_south;
648 }
649
650 dp->track_gc_iter = 0;
651}
652
653static gint calculate_velocity ( VikTrwLayer *vtl, VikTrackpoint *tp1, VikTrackpoint *tp2 )
654{
655 static gdouble rv = 0;
656 if ( tp1->has_timestamp && tp2->has_timestamp )
657 {
658 rv = ( vik_coord_diff ( &(tp1->coord), &(tp2->coord) )
659 / (tp1->timestamp - tp2->timestamp) ) - vtl->velocity_min;
660
661 if ( rv < 0 )
662 return VIK_TRW_LAYER_TRACK_GC_MIN;
663 else if ( vtl->velocity_min >= vtl->velocity_max )
664 return VIK_TRW_LAYER_TRACK_GC_MAX;
665
666 rv *= (VIK_TRW_LAYER_TRACK_GC_RATES / (vtl->velocity_max - vtl->velocity_min));
667
668 if ( rv >= VIK_TRW_LAYER_TRACK_GC_MAX )
669 return VIK_TRW_LAYER_TRACK_GC_MAX;
670 return (gint) rv;
671 }
672 else
673 return VIK_TRW_LAYER_TRACK_GC_BLACK;
674}
675
676void draw_utm_skip_insignia ( VikViewport *vvp, GdkGC *gc, gint x, gint y )
677{
678 vik_viewport_draw_line ( vvp, gc, x+5, y, x-5, y );
679 vik_viewport_draw_line ( vvp, gc, x, y+5, x, y-5 );
680 vik_viewport_draw_line ( vvp, gc, x+5, y+5, x-5, y-5 );
681 vik_viewport_draw_line ( vvp, gc, x+5, y-5, x-5, y+5 );
682}
683
684static void trw_layer_draw_track ( const gchar *name, VikTrack *track, struct DrawingParams *dp, gboolean drawing_white_background )
685{
686 /* TODO: this function is a mess, get rid of any redundancy */
687 GList *list = track->trackpoints;
688 gboolean useoldvals = TRUE;
689
690 gboolean drawpoints;
691
692 const guint8 tp_size_reg = 2;
693 const guint8 tp_size_cur = 4;
694 guint8 tp_size;
695
696 if ( ! track->visible )
697 return;
698
699 /* admittedly this is not an efficient way to do it because we go through the whole GC thing all over... */
700 if ( dp->vtl->bg_line_thickness && !drawing_white_background )
701 trw_layer_draw_track ( name, track, dp, TRUE );
702
703 if ( drawing_white_background )
704 drawpoints = FALSE;
705 else
706 drawpoints = dp->vtl->drawpoints;
707
708 if (list) {
709 int x, y, oldx, oldy;
710 VikTrackpoint *tp = VIK_TRACKPOINT(list->data);
711
712 tp_size = (list == dp->vtl->current_tpl) ? tp_size_cur : tp_size_reg;
713
714 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
715
716 if ( (drawpoints) && dp->track_gc_iter < VIK_TRW_LAYER_TRACK_GC )
717 {
718 GdkPoint trian[3] = { { x, y-(3*tp_size) }, { x-(2*tp_size), y+(2*tp_size) }, {x+(2*tp_size), y+(2*tp_size)} };
719 vik_viewport_draw_polygon ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, trian, 3 );
720 }
721
722 oldx = x;
723 oldy = y;
724
725 if ( dp->vtl->drawmode == DRAWMODE_ALL_BLACK )
726 dp->track_gc_iter = VIK_TRW_LAYER_TRACK_GC_MAX + 1;
727
728 while ((list = g_list_next(list)))
729 {
730 tp = VIK_TRACKPOINT(list->data);
731 tp_size = (list == dp->vtl->current_tpl) ? tp_size_cur : tp_size_reg;
732
733 /* check some stuff -- but only if we're in UTM and there's only ONE ZONE; or lat lon */
734 if ( (!dp->one_zone && !dp->lat_lon) || /* UTM & zones; do everything */
735 ( ((!dp->one_zone) || tp->coord.utm_zone == dp->center->utm_zone) && /* only check zones if UTM & one_zone */
736 tp->coord.east_west < dp->ce2 && tp->coord.east_west > dp->ce1 && /* both UTM and lat lon */
737 tp->coord.north_south > dp->cn1 && tp->coord.north_south < dp->cn2 ) )
738 {
739 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
740
741 if ( drawpoints && ! drawing_white_background )
742 {
743 if ( list->next ) {
744 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 );
745
746 /* stops */
25e44eac 747 if (0 && VIK_TRACKPOINT(list->next->data)->timestamp - VIK_TRACKPOINT(list->data)->timestamp > 60 )
50a14534
EB		 748 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 );
749 }
750 else
751 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 );
752 }
753
754 if ((!tp->newsegment) && (dp->vtl->drawlines))
755 {
756 VikTrackpoint *tp2 = VIK_TRACKPOINT(list->prev->data);
757
758 /* UTM only: zone check */
759 if ( drawpoints && dp->vtl->coord_mode == VIK_COORD_UTM && tp->coord.utm_zone != dp->center->utm_zone )
760 draw_utm_skip_insignia ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), x, y);
761
762 if ( dp->vtl->drawmode == DRAWMODE_BY_VELOCITY )
763 dp->track_gc_iter = calculate_velocity ( dp->vtl, tp, tp2 );
764
765 if (!useoldvals)
766 vik_viewport_coord_to_screen ( dp->vp, &(tp2->coord), &oldx, &oldy );
767
768 if ( drawing_white_background )
769 vik_viewport_draw_line ( dp->vp, dp->vtl->track_bg_gc, oldx, oldy, x, y);
770 else
771 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy, x, y);
772 }
773
774 oldx = x;
775 oldy = y;
776 useoldvals = TRUE;
777 }
778 else {
779 if (useoldvals && dp->vtl->drawlines && (!tp->newsegment))
780 {
781 VikTrackpoint *tp2 = VIK_TRACKPOINT(list->prev->data);
782 if ( dp->vtl->coord_mode != VIK_COORD_UTM || tp->coord.utm_zone == dp->center->utm_zone )
783 {
784 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
785 if ( dp->vtl->drawmode == DRAWMODE_BY_VELOCITY )
786 dp->track_gc_iter = calculate_velocity ( dp->vtl, tp, tp2 );
787
788 if ( drawing_white_background )
789 vik_viewport_draw_line ( dp->vp, dp->vtl->track_bg_gc, oldx, oldy, x, y);
790 else
791 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy, x, y);
792 }
793 else
794 {
795 vik_viewport_coord_to_screen ( dp->vp, &(tp2->coord), &x, &y );
796 draw_utm_skip_insignia ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), x, y );
797 }
798 }
799 useoldvals = FALSE;
800 }
801 }
802 }
803 if ( dp->vtl->drawmode == DRAWMODE_BY_TRACK )
804 if ( ++(dp->track_gc_iter) >= VIK_TRW_LAYER_TRACK_GC )
805 dp->track_gc_iter = 0;
806}
807
808/* the only reason this exists is so that trw_layer_draw_track can first call itself to draw the white track background */
809static void trw_layer_draw_track_cb ( const gchar *name, VikTrack *track, struct DrawingParams *dp )
810{
811 trw_layer_draw_track ( name, track, dp, FALSE );
812}
813
814static void cached_pixbuf_free ( CachedPixbuf *cp )
815{
816 g_object_unref ( G_OBJECT(cp->pixbuf) );
817 g_free ( cp->image );
818}
819
820static gint cached_pixbuf_cmp ( CachedPixbuf *cp, const gchar *name )
821{
822 return strcmp ( cp->image, name );
823}
824
825static void trw_layer_draw_waypoint ( const gchar *name, VikWaypoint *wp, struct DrawingParams *dp )
826{
827 if ( wp->visible )
828 if ( (!dp->one_zone) || ( wp->coord.utm_zone == dp->center->utm_zone &&
829 wp->coord.east_west < dp->ce2 && wp->coord.east_west > dp->ce1 &&
830 wp->coord.north_south > dp->cn1 && wp->coord.north_south < dp->cn2 ) )
831 {
832 gint x, y;
833 vik_viewport_coord_to_screen ( dp->vp, &(wp->coord), &x, &y );
834
835 /* if in shrunken_cache, get that. If not, get and add to shrunken_cache */
836
837 if ( wp->image && dp->vtl->drawimages )
838 {
839 GdkPixbuf *pixbuf = NULL;
840 GList *l;
841
842 if ( dp->vtl->image_alpha == 0)
843 return;
844
845 l = g_list_find_custom ( dp->vtl->image_cache->head, wp->image, (GCompareFunc) cached_pixbuf_cmp );
846 if ( l )
847 pixbuf = ((CachedPixbuf *) l->data)->pixbuf;
848 else
849 {
850 gchar *image = wp->image;
851 GdkPixbuf *regularthumb = a_thumbnails_get ( wp->image );
852 if ( ! regularthumb )
853 {
854 regularthumb = a_thumbnails_get_default (); /* cache one 'not yet loaded' for all thumbs not loaded */
855 image = "\x12\x00"; /* this shouldn't occur naturally. */
856 }
857 if ( regularthumb )
858 {
859 CachedPixbuf *cp = NULL;
860 cp = g_malloc ( sizeof ( CachedPixbuf ) );
861 if ( dp->vtl->image_size == 128 )
862 cp->pixbuf = regularthumb;
863 else
864 {
865 cp->pixbuf = a_thumbnails_scale_pixbuf(regularthumb, dp->vtl->image_size, dp->vtl->image_size);
866 g_assert ( cp->pixbuf );
867 g_object_unref ( G_OBJECT(regularthumb) );
868 }
869 cp->image = g_strdup ( image );
870
871 /* needed so 'click picture' tool knows how big the pic is; we don't
872 * store it in cp because they may have been freed already. */
873 wp->image_width = gdk_pixbuf_get_width ( cp->pixbuf );
874 wp->image_height = gdk_pixbuf_get_height ( cp->pixbuf );
875
876 g_queue_push_head ( dp->vtl->image_cache, cp );
877 if ( dp->vtl->image_cache->length > dp->vtl->image_cache_size )
878 cached_pixbuf_free ( g_queue_pop_tail ( dp->vtl->image_cache ) );
879
880 pixbuf = cp->pixbuf;
881 }
882 else
883 {
884 pixbuf = a_thumbnails_get_default (); /* thumbnail not yet loaded */
885 }
886 }
887 if ( pixbuf )
888 {
889 gint w, h;
890 w = gdk_pixbuf_get_width ( pixbuf );
891 h = gdk_pixbuf_get_height ( pixbuf );
892
893 if ( x+(w/2) > 0 && y+(h/2) > 0 && x-(w/2) < dp->width && y-(h/2) < dp->height ) /* always draw within boundaries */
894 {
895 if ( dp->vtl->image_alpha == 255 )
896 vik_viewport_draw_pixbuf ( dp->vp, pixbuf, 0, 0, x - (w/2), y - (h/2), w, h );
897 else
898 vik_viewport_draw_pixbuf_with_alpha ( dp->vp, pixbuf, dp->vtl->image_alpha, 0, 0, x - (w/2), y - (h/2), w, h );
899 }
900 return; /* if failed to draw picture, default to drawing regular waypoint (below) */
901 }
902 }
903
904 /* DRAW ACTUAL DOT */
905 if ( wp == dp->vtl->current_wp ) {
906 switch ( dp->vtl->wp_symbol ) {
907 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;
908 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;
909 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;
910 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 );
911 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 );
912 }
913 }
914 else {
915 switch ( dp->vtl->wp_symbol ) {
916 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;
917 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;
918 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;
919 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 );
920 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;
921 }
922 }
923
924 if ( dp->vtl->drawlabels )
925 {
926 /* thanks to the GPSDrive people (Fritz Ganter et al.) for hints on this part ... yah, I'm too lazy to study documentation */
927 gint width, height;
928 pango_layout_set_text ( dp->vtl->wplabellayout, name, -1 );
929 pango_layout_get_pixel_size ( dp->vtl->wplabellayout, &width, &height );
930 vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_bg_gc, TRUE, x + dp->vtl->wp_size - 1, y-1,width+1,height-1);
931 vik_viewport_draw_layout ( dp->vp, dp->vtl->waypoint_text_gc, x + dp->vtl->wp_size, y, dp->vtl->wplabellayout );
932 }
933 }
934}
935
936void vik_trw_layer_draw ( VikTrwLayer *l, gpointer data )
937{
938 static struct DrawingParams dp;
939 g_assert ( l != NULL );
940
941 init_drawing_params ( &dp, VIK_VIEWPORT(data) );
942 dp.vtl = l;
943
944 if ( l->tracks_visible )
945 g_hash_table_foreach ( l->tracks, (GHFunc) trw_layer_draw_track_cb, &dp );
946
947 if (l->waypoints_visible)
948 g_hash_table_foreach ( l->waypoints, (GHFunc) trw_layer_draw_waypoint, &dp );
949}
950
951static void trw_layer_free_track_gcs ( VikTrwLayer *vtl )
952{
953 int i;
954 if ( vtl->track_bg_gc )
955 {
956 g_object_unref ( vtl->track_bg_gc );
957 vtl->track_bg_gc = NULL;
958 }
959
960 if ( ! vtl->track_gc )
961 return;
962 for ( i = vtl->track_gc->len - 1; i >= 0; i-- )
963 g_object_unref ( g_array_index ( vtl->track_gc, GObject *, i ) );
964 g_array_free ( vtl->track_gc, TRUE );
965 vtl->track_gc = NULL;
966}
967
968static void trw_layer_new_track_gcs ( VikTrwLayer *vtl, VikViewport *vp )
969{
970 GdkGC *gc[ VIK_TRW_LAYER_TRACK_GC ];
971 gint width = vtl->line_thickness;
972
973 if ( vtl->track_gc )
974 trw_layer_free_track_gcs ( vtl );
975
976 if ( vtl->track_bg_gc )
977 g_object_unref ( vtl->track_bg_gc );
978 vtl->track_bg_gc = vik_viewport_new_gc ( vp, "#FFFFFF", width + vtl->bg_line_thickness );
979
980 vtl->track_gc = g_array_sized_new ( FALSE, FALSE, sizeof ( GdkGC * ), VIK_TRW_LAYER_TRACK_GC );
981
982 gc[0] = vik_viewport_new_gc ( vp, "#2d870a", width ); /* below range */
983
984 gc[1] = vik_viewport_new_gc ( vp, "#0a8742", width );
985 gc[2] = vik_viewport_new_gc ( vp, "#0a8783", width );
986 gc[3] = vik_viewport_new_gc ( vp, "#0a4d87", width );
987 gc[4] = vik_viewport_new_gc ( vp, "#05469f", width );
988 gc[5] = vik_viewport_new_gc ( vp, "#1b059f", width );
989 gc[6] = vik_viewport_new_gc ( vp, "#2d059f", width );
990 gc[7] = vik_viewport_new_gc ( vp, "#4a059f", width );
991 gc[8] = vik_viewport_new_gc ( vp, "#84059f", width );
992 gc[9] = vik_viewport_new_gc ( vp, "#96059f", width );
993 gc[10] = vik_viewport_new_gc ( vp, "#f22ef2", width );
994
995 gc[11] = vik_viewport_new_gc ( vp, "#ff0000", width ); /* above range */
996
997 gc[12] = vik_viewport_new_gc ( vp, "#000000", width ); /* black / no speed data */
998
999 g_array_append_vals ( vtl->track_gc, gc, VIK_TRW_LAYER_TRACK_GC );
1000}
1001
1002VikTrwLayer *vik_trw_layer_create ( VikViewport *vp )
1003{
1004 VikTrwLayer *rv = vik_trw_layer_new ( 0 );
1005 PangoFontDescription *pfd;
1006 rv->wplabellayout = gtk_widget_create_pango_layout (GTK_WIDGET(vp), NULL);
1007 pfd = pango_font_description_from_string (WAYPOINT_FONT);
1008 pango_layout_set_font_description (rv->wplabellayout, pfd);
1009 /* freeing PangoFontDescription, cause it has been copied by prev. call */
1010 pango_font_description_free (pfd);
1011
1012 vik_layer_rename ( VIK_LAYER(rv), vik_trw_layer_interface.name );
1013
1014 trw_layer_new_track_gcs ( rv, vp );
1015
1016 rv->waypoint_gc = vik_viewport_new_gc ( vp, "#000000", 2 );
1017 rv->waypoint_text_gc = vik_viewport_new_gc ( vp, "#FFFFFF", 1 );
1018 rv->waypoint_bg_gc = vik_viewport_new_gc ( vp, "#8383C4", 1 );
1019 gdk_gc_set_function ( rv->waypoint_bg_gc, GDK_AND );
1020
1021 rv->waypoint_font = gdk_font_load ( "-*-helvetica-bold-r-normal-*-*-100-*-*-p-*-iso8859-1" );
1022
1023 rv->has_verified_thumbnails = FALSE;
1024 rv->wp_symbol = WP_SYMBOL_FILLED_SQUARE;
1025 rv->wp_size = 4;
1026
1027 rv->coord_mode = vik_viewport_get_coord_mode ( vp );
1028
1029 return rv;
1030}
1031
1032static void trw_layer_realize_track ( gchar *name, VikTrack *track, gpointer pass_along[4] )
1033{
1034 GtkTreeIter *new_iter = g_malloc(sizeof(GtkTreeIter));
1035
1036#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1037 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 );
1038#else
1039 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 );
1040#endif
1041
1042 *new_iter = *((GtkTreeIter *) pass_along[1]);
1043 g_hash_table_insert ( VIK_TRW_LAYER(pass_along[2])->tracks_iters, name, new_iter );
1044
1045 if ( ! track->visible )
1046 vik_treeview_item_set_visible ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[1], FALSE );
1047}
1048
1049static void trw_layer_realize_waypoint ( gchar *name, VikWaypoint *wp, gpointer pass_along[4] )
1050{
1051 GtkTreeIter *new_iter = g_malloc(sizeof(GtkTreeIter));
1052#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1053 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 );
1054#else
1055 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 );
1056#endif
1057
1058 *new_iter = *((GtkTreeIter *) pass_along[1]);
1059 g_hash_table_insert ( VIK_TRW_LAYER(pass_along[2])->waypoints_iters, name, new_iter );
1060
1061 if ( ! wp->visible )
1062 vik_treeview_item_set_visible ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[1], FALSE );
1063}
1064
1065
1066void vik_trw_layer_realize ( VikTrwLayer *vtl, VikTreeview *vt, GtkTreeIter *layer_iter )
1067{
1068 GtkTreeIter iter2;
1069 gpointer pass_along[5] = { &(vtl->tracks_iter), &iter2, vtl, vt, (gpointer) VIK_TRW_LAYER_SUBLAYER_TRACK };
1070
1071#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1072 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) vt, layer_iter, &(vtl->tracks_iter), "Tracks", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_TRACKS, NULL, TRUE, FALSE );
1073#else
1074 vik_treeview_add_sublayer ( (VikTreeview *) vt, layer_iter, &(vtl->tracks_iter), "Tracks", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_TRACKS, NULL, TRUE, FALSE );
1075#endif
1076 if ( ! vtl->tracks_visible )
1077 vik_treeview_item_set_visible ( (VikTreeview *) vt, &(vtl->tracks_iter), FALSE );
1078
1079 g_hash_table_foreach ( vtl->tracks, (GHFunc) trw_layer_realize_track, pass_along );
1080
1081#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1082 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) vt, layer_iter, &(vtl->waypoints_iter), "Waypoints", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINTS, NULL, TRUE, FALSE );
1083#else
1084 vik_treeview_add_sublayer ( (VikTreeview *) vt, layer_iter, &(vtl->waypoints_iter), "Waypoints", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINTS, NULL, TRUE, FALSE );
1085#endif
1086
1087 if ( ! vtl->waypoints_visible )
1088 vik_treeview_item_set_visible ( (VikTreeview *) vt, &(vtl->waypoints_iter), FALSE );
1089
1090 pass_along[0] = &(vtl->waypoints_iter);
1091 pass_along[4] = (gpointer) VIK_TRW_LAYER_SUBLAYER_WAYPOINT;
1092
1093 g_hash_table_foreach ( vtl->waypoints, (GHFunc) trw_layer_realize_waypoint, pass_along );
1094
1095}
1096
1097gboolean vik_trw_layer_sublayer_toggle_visible ( VikTrwLayer *l, gint subtype, gpointer sublayer )
1098{
1099 switch ( subtype )
1100 {
1101 case VIK_TRW_LAYER_SUBLAYER_TRACKS: return (l->tracks_visible ^= 1);
1102 case VIK_TRW_LAYER_SUBLAYER_WAYPOINTS: return (l->waypoints_visible ^= 1);
1103 case VIK_TRW_LAYER_SUBLAYER_TRACK:
1104 {
1105 VikTrack *t = g_hash_table_lookup ( l->tracks, sublayer );
1106 if (t)
1107 return (t->visible ^= 1);
1108 else
1109 return TRUE;
1110 }
1111 case VIK_TRW_LAYER_SUBLAYER_WAYPOINT:
1112 {
1113 VikWaypoint *t = g_hash_table_lookup ( l->waypoints, sublayer );
1114 if (t)
1115 return (t->visible ^= 1);
1116 else
1117 return TRUE;
1118 }
1119 }
1120 return TRUE;
1121}
1122
1123GHashTable *vik_trw_layer_get_tracks ( VikTrwLayer *l )
1124{
1125 return l->tracks;
1126}
1127
1128GHashTable *vik_trw_layer_get_waypoints ( VikTrwLayer *l )
1129{
1130 return l->waypoints;
1131}
1132
1133static void trw_layer_find_maxmin_waypoints ( const gchar *name, const VikWaypoint *w, struct LatLon maxmin[2] )
1134{
1135 static VikCoord fixme;
1136 vik_coord_copy_convert ( &(w->coord), VIK_COORD_LATLON, &fixme );
1137 if ( VIK_LATLON(&fixme)->lat > maxmin[0].lat || maxmin[0].lat == 0.0 )
1138 maxmin[0].lat = VIK_LATLON(&fixme)->lat;
1139 if ( VIK_LATLON(&fixme)->lat < maxmin[1].lat || maxmin[1].lat == 0.0 )
1140 maxmin[1].lat = VIK_LATLON(&fixme)->lat;
1141 if ( VIK_LATLON(&fixme)->lon > maxmin[0].lon || maxmin[0].lon == 0.0 )
1142 maxmin[0].lon = VIK_LATLON(&fixme)->lon;
1143 if ( VIK_LATLON(&fixme)->lon < maxmin[1].lon || maxmin[1].lon == 0.0 )
1144 maxmin[1].lon = VIK_LATLON(&fixme)->lon;
1145}
1146
1147static void trw_layer_find_maxmin_tracks ( const gchar *name, GList **t, struct LatLon maxmin[2] )
1148{
1149 GList *tr = *t;
1150 static VikCoord fixme;
1151
1152 while ( tr )
1153 {
1154 vik_coord_copy_convert ( &(VIK_TRACKPOINT(tr->data)->coord), VIK_COORD_LATLON, &fixme );
1155 if ( VIK_LATLON(&fixme)->lat > maxmin[0].lat || maxmin[0].lat == 0.0 )
1156 maxmin[0].lat = VIK_LATLON(&fixme)->lat;
1157 if ( VIK_LATLON(&fixme)->lat < maxmin[1].lat || maxmin[1].lat == 0.0 )
1158 maxmin[1].lat = VIK_LATLON(&fixme)->lat;
1159 if ( VIK_LATLON(&fixme)->lon > maxmin[0].lon || maxmin[0].lon == 0.0 )
1160 maxmin[0].lon = VIK_LATLON(&fixme)->lon;
1161 if ( VIK_LATLON(&fixme)->lon < maxmin[1].lon || maxmin[1].lon == 0.0 )
1162 maxmin[1].lon = VIK_LATLON(&fixme)->lon;
1163 tr = tr->next;
1164 }
1165}
1166
1167
1168gboolean vik_trw_layer_find_center ( VikTrwLayer *vtl, VikCoord *dest )
1169{
1170 /* 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... */
1171 struct LatLon maxmin[2] = { {0.0,0.0}, {0.0,0.0} };
1172 g_hash_table_foreach ( vtl->waypoints, (GHFunc) trw_layer_find_maxmin_waypoints, maxmin );
1173 g_hash_table_foreach ( vtl->tracks, (GHFunc) trw_layer_find_maxmin_tracks, maxmin );
1174 if (maxmin[0].lat == 0.0 && maxmin[0].lon == 0.0 && maxmin[1].lat == 0.0 && maxmin[1].lon == 0.0)
1175 return FALSE;
1176 else
1177 {
1178 struct LatLon average = { (maxmin[0].lat+maxmin[1].lat)/2, (maxmin[0].lon+maxmin[1].lon)/2 };
1179 vik_coord_load_from_latlon ( dest, vtl->coord_mode, &average );
1180 return TRUE;
1181 }
1182}
1183
1184static void trw_layer_centerize ( gpointer layer_and_vlp[2] )
1185{
1186 VikCoord coord;
1187 if ( vik_trw_layer_find_center ( VIK_TRW_LAYER(layer_and_vlp[0]), &coord ) )
1188 goto_coord ( VIK_LAYERS_PANEL(layer_and_vlp[1]), &coord );
1189 else
1190 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "This layer has no waypoints or trackpoints." );
1191}
1192
1193static void trw_layer_export ( gpointer layer_and_vlp[2], guint file_type )
1194{
1195 GtkWidget *file_selector;
1196 const gchar *fn;
1197 gboolean failed = FALSE;
1198 file_selector = gtk_file_selection_new ("Export Layer");
1199
1200 while ( gtk_dialog_run ( GTK_DIALOG(file_selector) ) == GTK_RESPONSE_OK )
1201 {
1202 fn = gtk_file_selection_get_filename (GTK_FILE_SELECTION(file_selector) );
1203 if ( access ( fn, F_OK ) != 0 )
1204 {
1205 gtk_widget_hide ( file_selector );
1206 failed = ! a_file_export ( VIK_TRW_LAYER(layer_and_vlp[0]), fn, file_type );
1207 break;
1208 }
1209 else
1210 {
1211 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 ) ) )
1212 {
1213 gtk_widget_hide ( file_selector );
1214 failed = ! a_file_export ( VIK_TRW_LAYER(layer_and_vlp[0]), fn, file_type );
1215 break;
1216 }
1217 }
1218 }
1219 gtk_widget_destroy ( file_selector );
1220 if ( failed )
1221 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "The filename you requested could not be opened for writing." );
1222}
1223
1224static void trw_layer_export_gpspoint ( gpointer layer_and_vlp[2] )
1225{
1226 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPSPOINT );
1227}
1228
1229static void trw_layer_export_gpsmapper ( gpointer layer_and_vlp[2] )
1230{
1231 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPSMAPPER );
1232}
1233
1234static void trw_layer_goto_wp ( gpointer layer_and_vlp[2] )
1235{
1236 GHashTable *wps = vik_trw_layer_get_waypoints ( VIK_TRW_LAYER(layer_and_vlp[0]) );
1237 GtkWidget *dia = gtk_dialog_new_with_buttons ("Create",
1238 VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]),
1239 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
1240 GTK_STOCK_CANCEL,
1241 GTK_RESPONSE_REJECT,
1242 GTK_STOCK_OK,
1243 GTK_RESPONSE_ACCEPT,
1244 NULL);
1245
1246 GtkWidget *label, *entry;
1247 label = gtk_label_new("Waypoint Name:");
1248 entry = gtk_entry_new();
1249
1250 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dia)->vbox), label, FALSE, FALSE, 0);
1251 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dia)->vbox), entry, FALSE, FALSE, 0);
1252 gtk_widget_show_all ( label );
1253 gtk_widget_show_all ( entry );
1254
1255 while ( gtk_dialog_run ( GTK_DIALOG(dia) ) == GTK_RESPONSE_ACCEPT )
1256 {
1257 VikWaypoint *wp;
1258 gchar *upname = g_strdup(gtk_entry_get_text(GTK_ENTRY(entry)));
1259 int i;
1260
1261 for ( i = strlen(upname)-1; i >= 0; i-- )
1262 upname[i] = toupper(upname[i]);
1263
1264 wp = g_hash_table_lookup ( wps, upname );
1265
1266 if (!wp)
1267 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "Waypoint not found in this layer." );
1268 else
1269 {
1270 vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(layer_and_vlp[1])), &(wp->coord) );
1271 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(layer_and_vlp[1]) );
1272 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 ) );
1273 break;
1274 }
1275
1276 g_free ( upname );
1277
1278 }
1279 gtk_widget_destroy ( dia );
1280}
1281
1282gboolean vik_trw_layer_new_waypoint ( VikTrwLayer *vtl, GtkWindow *w, const VikCoord *def_coord )
1283{
1284 gchar *name;
1285 static VikWaypoint st_wp;
1286 st_wp.coord = *def_coord;
1287 st_wp.altitude = VIK_DEFAULT_ALTITUDE;
1288
1289 if ( a_dialog_new_waypoint ( w, &name, &st_wp, vik_trw_layer_get_waypoints ( vtl ), vtl->coord_mode ) )
1290 {
1291 VikWaypoint *wp = vik_waypoint_new();
1292 *wp = st_wp;
1293 vik_trw_layer_add_waypoint ( vtl, name, wp );
1294 return TRUE;
1295 }
1296 return FALSE;
1297}
1298
1299static void trw_layer_new_wp ( gpointer lav[2] )
1300{
1301 VikTrwLayer *vtl = VIK_TRW_LAYER(lav[0]);
1302 VikLayersPanel *vlp = VIK_LAYERS_PANEL(lav[1]);
1303 /* TODO longone: okay, if layer above (aggregate) is invisible but vtl->visible is true, this redraws for no reason.
1304 instead return true if you want to update. */
1305 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 )
1306 vik_layers_panel_emit_update ( vlp );
1307}
1308
1309void vik_trw_layer_add_menu_items ( VikTrwLayer *vtl, GtkMenu *menu, gpointer vlp )
1310{
1311 static gpointer pass_along[2];
1312 GtkWidget *item;
1313 pass_along[0] = vtl;
1314 pass_along[1] = vlp;
1315
1316 item = gtk_menu_item_new();
1317 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
1318 gtk_widget_show ( item );
1319
1320 item = gtk_menu_item_new_with_label ( "Goto Center of Layer" );
1321 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_centerize), pass_along );
1322 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1323 gtk_widget_show ( item );
1324
1325 item = gtk_menu_item_new_with_label ( "Goto Waypoint" );
1326 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_wp), pass_along );
1327 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1328 gtk_widget_show ( item );
1329
1330 item = gtk_menu_item_new_with_label ( "Export Layer as GPSPoint" );
1331 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpspoint), pass_along );
1332 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1333 gtk_widget_show ( item );
1334
1335 item = gtk_menu_item_new_with_label ( "Export Layer as GPSMapper" );
1336 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpsmapper), pass_along );
1337 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1338 gtk_widget_show ( item );
1339
1340 item = gtk_menu_item_new_with_label ( "New Waypoint" );
1341 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_new_wp), pass_along );
1342 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1343 gtk_widget_show ( item );
1344}
1345
1346void vik_trw_layer_add_waypoint ( VikTrwLayer *vtl, gchar *name, VikWaypoint *wp )
1347{
1348 if ( VIK_LAYER(vtl)->realized )
1349 {
1350 VikWaypoint *oldwp = VIK_WAYPOINT ( g_hash_table_lookup ( vtl->waypoints, name ) );
1351 if ( oldwp )
1352 wp->visible = oldwp->visible; /* same visibility so we don't have to update viktreeview */
1353 else
1354 {
1355 GtkTreeIter *iter = g_malloc(sizeof(GtkTreeIter));
1356#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1357 vik_treeview_add_sublayer_alphabetized ( VIK_LAYER(vtl)->vt, &(vtl->waypoints_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, NULL, TRUE, TRUE );
1358#else
1359 vik_treeview_add_sublayer ( VIK_LAYER(vtl)->vt, &(vtl->waypoints_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, NULL, TRUE, TRUE );
1360#endif
1361 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, iter );
1362 g_hash_table_insert ( vtl->waypoints_iters, name, iter );
1363 wp->visible = TRUE;
1364 }
1365 }
1366 else
1367 wp->visible = TRUE;
1368
1369 g_hash_table_insert ( vtl->waypoints, name, wp );
1370
1371}
1372
1373void vik_trw_layer_add_track ( VikTrwLayer *vtl, gchar *name, VikTrack *t )
1374{
1375 if ( VIK_LAYER(vtl)->realized )
1376 {
1377 VikTrack *oldt = VIK_TRACK ( g_hash_table_lookup ( vtl->tracks, name ) );
1378 if ( oldt )
1379 t->visible = oldt->visible; /* same visibility so we don't have to update viktreeview */
1380 else
1381 {
1382 GtkTreeIter *iter = g_malloc(sizeof(GtkTreeIter));
1383#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1384 vik_treeview_add_sublayer_alphabetized ( VIK_LAYER(vtl)->vt, &(vtl->tracks_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_TRACK, NULL, TRUE, TRUE );
1385#else
1386 vik_treeview_add_sublayer ( VIK_LAYER(vtl)->vt, &(vtl->tracks_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_TRACK, NULL, TRUE, TRUE );
1387#endif
1388 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, iter );
1389 g_hash_table_insert ( vtl->tracks_iters, name, iter );
1390 t->visible = TRUE;
1391 }
1392 }
1393 else
1394 t->visible = TRUE;
1395
1396 g_hash_table_insert ( vtl->tracks, name, t );
1397
1398}
1399
1400static gboolean uppercase_exists_in_hash ( GHashTable *hash, const gchar *str )
1401{
1402 gchar *upp = g_strdup ( str );
1403 gboolean rv;
1404 char *tmp = upp;
1405 while ( *tmp )
1406 {
1407 *tmp = toupper(*tmp);
1408 tmp++;
1409 }
1410 rv = g_hash_table_lookup ( hash, upp ) ? TRUE : FALSE;
1411 g_free (upp);
1412 return rv;
1413}
1414
1415/* to be called whenever a track has been deleted or may have been changed. */
1416static void trw_layer_cancel_tps_of_track ( VikTrwLayer *vtl, const gchar *trk_name )
1417{
1418 if (vtl->current_tp_track_name && g_strcasecmp(trk_name, vtl->current_tp_track_name) == 0)
1419 trw_layer_cancel_current_tp ( vtl, FALSE );
1420 else if (vtl->last_tp_track_name && g_strcasecmp(trk_name, vtl->last_tp_track_name) == 0)
1421 trw_layer_cancel_last_tp ( vtl );
1422}
1423
1424static gboolean trw_layer_delete_track ( VikTrwLayer *vtl, const gchar *trk_name )
1425{
1426 VikTrack *t = g_hash_table_lookup ( vtl->tracks, trk_name );
1427 gboolean was_visible = FALSE;
1428 if ( t )
1429 {
1430 GtkTreeIter *it;
1431 was_visible = t->visible;
1432 if ( t == vtl->current_track )
1433 vtl->current_track = NULL;
1434
1435 /* could be current_tp, so we have to check */
1436 trw_layer_cancel_tps_of_track ( vtl, trk_name );
1437
1438 g_assert ( ( it = g_hash_table_lookup ( vtl->tracks_iters, trk_name ) ) );
1439 vik_treeview_item_delete ( VIK_LAYER(vtl)->vt, it );
1440 g_hash_table_remove ( vtl->tracks_iters, trk_name );
1441
1442 /* do this last because trk_name may be pointing to actual orig key */
1443 g_hash_table_remove ( vtl->tracks, trk_name );
1444 }
1445 return was_visible;
1446}
1447
1448static void trw_layer_delete_item ( gpointer pass_along[5] )
1449{
1450 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
1451 gboolean was_visible = FALSE;
1452 if ( (gint) pass_along[2] == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1453 {
1454 VikWaypoint *wp;
1455 wp = g_hash_table_lookup ( vtl->waypoints, pass_along[3] );
1456 if ( wp )
1457 {
1458 GtkTreeIter *it;
1459
1460 if ( wp == vtl->current_wp ) {
1461 vtl->current_wp = NULL;
1462 vtl->current_wp_name = NULL;
1463 vtl->moving_wp = FALSE;
1464 }
1465
1466 was_visible = wp->visible;
1467 g_assert ( ( it = g_hash_table_lookup ( vtl->waypoints_iters, (gchar *) pass_along[3] ) ) );
1468 vik_treeview_item_delete ( VIK_LAYER(vtl)->vt, it );
1469 g_hash_table_remove ( vtl->waypoints_iters, (gchar *) pass_along[3] );
1470 g_hash_table_remove ( vtl->waypoints, pass_along[3] ); /* last because this frees name */
1471 }
1472 }
1473 else
1474 {
1475 was_visible = trw_layer_delete_track ( vtl, (gchar *) pass_along[3] );
1476 }
1477
1478 if ( was_visible )
1479 vik_layer_emit_update ( VIK_LAYER(vtl) );
1480}
1481
1482
1483static void trw_layer_properties_item ( gpointer pass_along[5] )
1484{
1485 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
1486 if ( (gint) pass_along[2] == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1487 {
1488 VikWaypoint *wp = g_hash_table_lookup ( vtl->waypoints, pass_along[3] );
1489 if ( wp )
1490 {
1491 if ( a_dialog_new_waypoint ( VIK_GTK_WINDOW_FROM_LAYER(vtl), NULL, wp, NULL, vtl->coord_mode ) )
1492
1493 if ( VIK_LAYER(vtl)->visible )
1494 vik_layer_emit_update ( VIK_LAYER(vtl) );
1495 }
1496 }
1497 else
1498 {
1499 VikTrack *tr = g_hash_table_lookup ( vtl->tracks, pass_along[3] );
1500 if ( tr )
1501 {
1502 gint resp = vik_trw_layer_propwin_run ( VIK_GTK_WINDOW_FROM_LAYER(vtl), tr );
1503 if ( resp == VIK_TRW_LAYER_PROPWIN_DEL_DUP )
1504 {
1505 vik_track_remove_dup_points(tr);
1506 /* above operation could have deleted current_tp or last_tp */
1507 trw_layer_cancel_tps_of_track ( vtl, (gchar *) pass_along[3] );
1508 vik_layer_emit_update ( VIK_LAYER(vtl) );
1509 }
1510 if ( resp == VIK_TRW_LAYER_PROPWIN_REVERSE )
1511 {
1512 vik_track_reverse(tr);
1513 vik_layer_emit_update ( VIK_LAYER(vtl) );
1514 }
1515 else if ( resp == VIK_TRW_LAYER_PROPWIN_SPLIT )
1516 {
1517 /* get new tracks, add them, resolve naming conflicts (free if cancel), and delete old. old can still exist on clipboard. */
1518 guint ntracks;
1519 VikTrack **tracks = vik_track_split_into_segments(tr, &ntracks);
1520 gchar *new_tr_name;
1521 guint i;
1522 for ( i = 0; i < ntracks; i++ )
1523 {
1524 g_assert ( tracks[i] );
1525 new_tr_name = g_strdup_printf("%s #%d", (gchar *) pass_along[3], i+1);
1526 /* if ( (wp_exists) && (! overwrite) ) */
1527 /* don't need to upper case new_tr_name because old tr name was uppercase */
1528 if ( g_hash_table_lookup ( vtl->tracks, new_tr_name ) &&
1529 ( ! a_dialog_overwrite ( VIK_GTK_WINDOW_FROM_LAYER(vtl), "The track \"%s\" exists, do you wish to overwrite it?", new_tr_name ) ) )
1530 {
1531 gchar *new_new_tr_name = a_dialog_new_track ( VIK_GTK_WINDOW_FROM_LAYER(vtl), vtl->tracks );
1532 g_free ( new_tr_name );
1533 if (new_new_tr_name)
1534 new_tr_name = new_new_tr_name;
1535 else
1536 {
1537 new_tr_name = NULL;
1538 vik_track_free ( tracks[i] );
1539 }
1540 }
1541 if ( new_tr_name )
1542 vik_trw_layer_add_track ( vtl, new_tr_name, tracks[i] );
1543
1544 }
1545 if ( tracks )
1546 {
1547 g_free ( tracks );
1548 trw_layer_delete_track ( vtl, (gchar *) pass_along[3] );
1549 vik_layer_emit_update ( VIK_LAYER(vtl) ); /* chase thru the hoops */
1550 }
1551 }
1552 }
1553 }
1554}
1555
1556static void goto_coord ( VikLayersPanel *vlp, const VikCoord *coord )
1557{
1558 vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(vlp), coord );
1559 vik_layers_panel_emit_update ( vlp );
1560}
1561
1562static void trw_layer_goto_track_startpoint ( gpointer pass_along[5] )
1563{
1564 GList *trps = ((VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] ))->trackpoints;
1565 if ( trps && trps->data )
1566 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(((VikTrackpoint *) trps->data)->coord));
1567}
1568
1569static void trw_layer_goto_track_center ( gpointer pass_along[5] )
1570{
1571 GList **trps = g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
1572 if ( trps && *trps )
1573 {
1574 struct LatLon average, maxmin[2] = { {0,0}, {0,0} };
1575 VikCoord coord;
1576 trw_layer_find_maxmin_tracks ( NULL, trps, maxmin );
1577 average.lat = (maxmin[0].lat+maxmin[1].lat)/2;
1578 average.lon = (maxmin[0].lon+maxmin[1].lon)/2;
1579 vik_coord_load_from_latlon ( &coord, VIK_TRW_LAYER(pass_along[0])->coord_mode, &average );
1580 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &coord);
1581 }
1582}
1583
1584static void trw_layer_goto_track_endpoint ( gpointer pass_along[6] )
1585{
1586 GList *trps = ((VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] ))->trackpoints;
1587 if ( !trps )
1588 return;
111fa174 1589 trps = g_list_last(trps);
50a14534
EB		 1590 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(((VikTrackpoint *) trps->data)->coord));
1591}
1592
111fa174
AF		 1593
1594/*************************************
1595 * merge/split by time routines
1596 *************************************/
1597
1598/* called for each key in track hash table. if original track user_data[1] is close enough
1599 * to the passed one, add it to list in user_data[0]
1600 */
1601static void find_nearby_track(gpointer key, gpointer value, gpointer user_data)
1602{
1603 time_t t1, t2;
1604 VikTrackpoint *p1, *p2;
1605
1606 GList **nearby_tracks = ((gpointer *)user_data)[0];
1607 GList *orig_track = ((gpointer *)user_data)[1];
1608 guint thr = (guint)((gpointer *)user_data)[2];
1609
1610 t1 = VIK_TRACKPOINT(orig_track->data)->timestamp;
1611 t2 = VIK_TRACKPOINT(g_list_last(orig_track)->data)->timestamp;
1612
1613 if (VIK_TRACK(value)->trackpoints == orig_track) {
1614 return;
1615 }
1616
1617 p1 = VIK_TRACKPOINT(VIK_TRACK(value)->trackpoints->data);
1618 p2 = VIK_TRACKPOINT(g_list_last(VIK_TRACK(value)->trackpoints)->data);
1619
1620 if (!p1->has_timestamp || !p2->has_timestamp) {
1621 printf("no timestamp\n");
1622 return;
1623 }
1624
1625 /* printf("Got track named %s, times %d, %d\n", (gchar *)key, p1->timestamp, p2->timestamp); */
1626 if (abs(t1 - p2->timestamp) < thr*60 ||
1627 /* p1 p2 t1 t2 */
1628 abs(p1->timestamp - t2) < thr*60
1629 /* t1 t2 p1 p2 */
1630 ) {
1631 *nearby_tracks = g_list_prepend(*nearby_tracks, key);
1632 }
1633}
1634
1635/* comparison function used to sort tracks; a and b are hash table keys */
1636static gint track_compare(gconstpointer a, gconstpointer b, gpointer user_data)
1637{
1638 GHashTable *tracks = user_data;
1639 time_t t1, t2;
1640
1641 t1 = VIK_TRACKPOINT(VIK_TRACK(g_hash_table_lookup(tracks, a))->trackpoints->data)->timestamp;
1642 t2 = VIK_TRACKPOINT(VIK_TRACK(g_hash_table_lookup(tracks, b))->trackpoints->data)->timestamp;
1643
1644 if (t1 < t2) return -1;
1645 if (t1 > t2) return 1;
1646 return 0;
1647}
1648
1649/* comparison function used to sort trackpoints */
1650static gint trackpoint_compare(gconstpointer a, gconstpointer b)
1651{
1652 time_t t1 = VIK_TRACKPOINT(a)->timestamp, t2 = VIK_TRACKPOINT(b)->timestamp;
1653
1654 if (t1 < t2) return -1;
1655 if (t1 > t2) return 1;
1656 return 0;
1657}
1658
1659/* merge by time routine */
1660static void trw_layer_merge_by_timestamp ( gpointer pass_along[6] )
1661{
1662 time_t t1, t2;
1663 GList *nearby_tracks = NULL;
1664 VikTrack *track;
1665 GList *trps;
1666 static guint thr = 1;
1667 guint track_count = 0;
1668 gchar *orig_track_name = strdup(pass_along[3]);
1669
1670 if (!a_dialog_time_threshold(VIK_GTK_WINDOW_FROM_LAYER(pass_along[0]),
1671 "Merge Threshold...",
1672 "Merge when time between trackpoints less than:",
1673 &thr)) {
1674 return;
1675 }
1676
1677 /* merge tracks until we can't */
1678 do {
1679 gpointer params[3];
1680
1681 track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, orig_track_name );
1682 trps = track->trackpoints;
1683 if ( !trps )
1684 return;
1685
1686
1687 if (nearby_tracks) {
1688 g_list_free(nearby_tracks);
1689 nearby_tracks = NULL;
1690 }
1691
1692 t1 = ((VikTrackpoint *)trps->data)->timestamp;
1693 t2 = ((VikTrackpoint *)g_list_last(trps)->data)->timestamp;
1694
1695 /* printf("Original track times: %d and %d\n", t1, t2); */
1696 params[0] = &nearby_tracks;
1697 params[1] = trps;
1698 params[2] = (gpointer)thr;
1699
1700 /* get a list of adjacent-in-time tracks */
1701 g_hash_table_foreach(VIK_TRW_LAYER(pass_along[0])->tracks, find_nearby_track, (gpointer)params);
1702
1703 /* add original track */
1704 nearby_tracks = g_list_prepend(nearby_tracks, orig_track_name);
1705
1706 /* sort by first trackpoint; assumes they don't overlap */
1707 nearby_tracks = g_list_sort_with_data(nearby_tracks, track_compare, VIK_TRW_LAYER(pass_along[0])->tracks);
1708
1709 /* merge them */
1710 {
1711#define get_track(x) VIK_TRACK(g_hash_table_lookup(VIK_TRW_LAYER(pass_along[0])->tracks, (gchar *)((x)->data)))
1712#define get_first_trackpoint(x) VIK_TRACKPOINT(get_track(x)->trackpoints->data)
1713#define get_last_trackpoint(x) VIK_TRACKPOINT(g_list_last(get_track(x)->trackpoints)->data)
1714 GList *l = nearby_tracks;
1715 VikTrack *tr = vik_track_new();
1716 tr->visible = track->visible;
1717 track_count = 0;
1718 while (l) {
1719 /*
1720 time_t t1, t2;
1721 t1 = get_first_trackpoint(l)->timestamp;
1722 t2 = get_last_trackpoint(l)->timestamp;
1723 printf(" %20s: track %d - %d\n", (char *)l->data, (int)t1, (int)t2);
1724 */
1725
1726
1727 /* remove trackpoints from merged track, delete track */
1728 tr->trackpoints = g_list_concat(tr->trackpoints, get_track(l)->trackpoints);
1729 get_track(l)->trackpoints = NULL;
1730 trw_layer_delete_track(VIK_TRW_LAYER(pass_along[0]), l->data);
1731
1732 track_count ++;
1733 l = g_list_next(l);
1734 }
1735 tr->trackpoints = g_list_sort(tr->trackpoints, trackpoint_compare);
1736 vik_trw_layer_add_track(VIK_TRW_LAYER(pass_along[0]), strdup(orig_track_name), tr);
1737
1738#undef get_first_trackpoint
1739#undef get_last_trackpoint
1740#undef get_track
1741 }
1742 } while (track_count > 1);
1743 g_list_free(nearby_tracks);
1744 free(orig_track_name);
1745 vik_layer_emit_update(VIK_LAYER(pass_along[0]));
1746}
1747
1748/* split by time routine */
1749static void trw_layer_split_by_timestamp ( gpointer pass_along[6] )
1750{
1751 VikTrack *track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
1752 GList *trps = track->trackpoints;
1753 GList *iter;
1754 GList *newlists = NULL;
1755 GList *newtps = NULL;
1756 guint i;
1757 static guint thr = 1;
1758
1759 time_t ts, prev_ts;
1760
1761 if ( !trps )
1762 return;
1763
1764 if (!a_dialog_time_threshold(VIK_GTK_WINDOW_FROM_LAYER(pass_along[0]),
1765 "Split Threshold...",
1766 "Split when time between trackpoints exceeds:",
1767 &thr)) {
1768 return;
1769 }
1770
1771 /* iterate through trackpoints, and copy them into new lists without touching original list */
1772 prev_ts = VIK_TRACKPOINT(trps->data)->timestamp;
1773 iter = trps;
1774
1775 while (iter) {
1776 ts = VIK_TRACKPOINT(iter->data)->timestamp;
1777 if (ts < prev_ts) {
1778 printf("panic: ts < prev_ts: this should never happen!\n");
1779 return;
1780 }
1781 if (ts - prev_ts > thr*60) {
1782 /* flush accumulated trackpoints into new list */
1783 newlists = g_list_prepend(newlists, g_list_reverse(newtps));
1784 newtps = NULL;
1785 }
1786
1787 /* accumulate trackpoint copies in newtps, in reverse order */
1788 newtps = g_list_prepend(newtps, vik_trackpoint_copy(VIK_TRACKPOINT(iter->data)));
1789 prev_ts = ts;
1790 iter = g_list_next(iter);
1791 }
1792 if (newtps) {
1793 newlists = g_list_prepend(newlists, g_list_reverse(newtps));
1794 }
1795
1796 /* put lists of trackpoints into tracks */
1797 iter = newlists;
1798 i = 1;
1799 while (iter) {
1800 gchar *new_tr_name;
1801 VikTrack *tr;
1802
1803 tr = vik_track_new();
1804 tr->visible = track->visible;
1805 tr->trackpoints = (GList *)(iter->data);
1806
1807 new_tr_name = g_strdup_printf("%s #%d", (gchar *) pass_along[3], i++);
1808 vik_trw_layer_add_track(VIK_TRW_LAYER(pass_along[0]), new_tr_name, tr);
1809 /* fprintf(stderr, "adding track %s, times %d - %d\n", new_tr_name, VIK_TRACKPOINT(tr->trackpoints->data)->timestamp,
1810 VIK_TRACKPOINT(g_list_last(tr->trackpoints)->data)->timestamp);*/
1811
1812 iter = g_list_next(iter);
1813 }
1814 g_list_free(newlists);
1815 trw_layer_delete_track(VIK_TRW_LAYER(pass_along[0]), (gchar *)pass_along[3]);
1816 vik_layer_emit_update(VIK_LAYER(pass_along[0]));
1817}
1818
1819/* end of split/merge routines */
1820
1821
50a14534
EB		 1822static void trw_layer_goto_waypoint ( gpointer pass_along[5] )
1823{
1824 VikWaypoint *wp = g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->waypoints, pass_along[3] );
1825 if ( wp )
1826 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(wp->coord) );
1827}
1828
1829static void trw_layer_waypoint_gc_webpage ( gpointer pass_along[5] )
1830{
1831 gchar *webpage = g_strdup_printf("http://www.geocaching.com/seek/cache_details.aspx?wp=%s", (gchar *) pass_along[3] );
1832#ifdef WINDOWS
1833 ShellExecute(NULL, NULL, (char *) webpage, NULL, ".\\", 0);
1834#else /* WINDOWS */
1835 GError *err = NULL;
1836 gchar *cmd = g_strdup_printf ( "%s %s", UNIX_WEB_BROWSER, webpage );
1837 if ( ! g_spawn_command_line_async ( cmd, &err ) )
1838 {
1839 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(VIK_LAYER(pass_along[0])), "Could not launch web browser." );
1840 g_error_free ( err );
1841 }
1842 g_free ( cmd );
1843#endif /* WINDOWS */
1844 g_free ( webpage );
1845}
1846
1847const gchar *vik_trw_layer_sublayer_rename_request ( VikTrwLayer *l, const gchar *newname, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter )
1848{
1849 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1850 {
1851 int i;
1852 gchar *rv;
1853 VikWaypoint *wp;
1854
1855 if ( strcasecmp ( newname, sublayer ) == 0 )
1856 return NULL;
1857
1858 if ( uppercase_exists_in_hash ( l->waypoints, newname ) )
1859 {
1860 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(l), "Waypoint Already Exists" );
1861 return NULL;
1862 }
1863
1864 wp = vik_waypoint_copy ( VIK_WAYPOINT(g_hash_table_lookup ( l->waypoints, sublayer )) );
1865 g_hash_table_remove ( l->waypoints, sublayer );
1866
1867 iter = g_hash_table_lookup ( l->waypoints_iters, sublayer );
1868 g_hash_table_steal ( l->waypoints_iters, sublayer );
1869
1870 rv = g_strdup(newname);
1871 for ( i = strlen(rv) - 1; i >= 0; i-- )
1872 rv[i] = toupper(rv[i]);
1873
1874 vik_treeview_item_set_pointer ( VIK_LAYER(l)->vt, iter, rv );
1875
1876 g_hash_table_insert ( l->waypoints, rv, wp );
1877 g_hash_table_insert ( l->waypoints_iters, rv, iter );
1878
1879 /* it hasn't been updated yet so we pass new name */
1880#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1881 vik_treeview_sublayer_realphabetize ( VIK_LAYER(l)->vt, iter, rv );
1882#endif
1883
1884 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vlp) );
1885 return rv;
1886 }
1887 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
1888 {
1889 int i;
1890 gchar *rv;
1891 VikTrack *tr;
1892 GtkTreeIter *iter;
1893 gchar *orig_key;
1894
1895 if ( strcasecmp ( newname, sublayer ) == 0 )
1896 return NULL;
1897
1898 if ( uppercase_exists_in_hash ( l->tracks, newname ) )
1899 {
1900 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(l), "Track Already Exists" );
1901 return NULL;
1902 }
1903
1904 g_hash_table_lookup_extended ( l->tracks, sublayer, (gpointer *)&orig_key, (gpointer *)&tr );
1905 g_hash_table_steal ( l->tracks, sublayer );
1906
1907 iter = g_hash_table_lookup ( l->tracks_iters, sublayer );
1908 g_hash_table_steal ( l->tracks_iters, sublayer );
1909
1910 rv = g_strdup(newname);
1911 for ( i = strlen(rv) - 1; i >= 0; i-- )
1912 rv[i] = toupper(rv[i]);
1913
1914 vik_treeview_item_set_pointer ( VIK_LAYER(l)->vt, iter, rv );
1915
1916 g_hash_table_insert ( l->tracks, rv, tr );
1917 g_hash_table_insert ( l->tracks_iters, rv, iter );
1918
1919 /* don't forget about current_tp_track_name, update that too */
1920 if ( l->current_tp_track_name && g_strcasecmp(orig_key,l->current_tp_track_name) == 0 )
1921 {
1922 l->current_tp_track_name = rv;
1923 if ( l->tpwin )
1924 vik_trw_layer_tpwin_set_track_name ( l->tpwin, rv );
1925 }
1926 else if ( l->last_tp_track_name && g_strcasecmp(orig_key,l->last_tp_track_name) == 0 )
1927 l->last_tp_track_name = rv;
1928
1929 g_free ( orig_key );
1930
1931#ifdef VIK_CONFIG_ALPHABETIZED_TRW
1932 vik_treeview_sublayer_realphabetize ( VIK_LAYER(l)->vt, iter, rv );
1933#endif
1934
1935 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vlp) );
1936 return rv;
1937 }
1938 return NULL;
1939}
1940
1941static gboolean is_valid_geocache_name ( gchar *str )
1942{
1943 gint len = strlen ( str );
1944 return len >= 3 && len <= 6 && str[0] == 'G' && str[1] == 'C' && isalnum(str[2]) && (len < 4 || isalnum(str[3])) && (len < 5 || isalnum(str[4])) && (len < 6 || isalnum(str[5]));
1945}
1946
1947/* vlp can be NULL if necessary - i.e. right-click from a tool -- but be careful, some functions may try to use it */
1948gboolean vik_trw_layer_sublayer_add_menu_items ( VikTrwLayer *l, GtkMenu *menu, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter )
1949{
1950 static GtkTreeIter staticiter;
1951 static gpointer pass_along[5];
1952 GtkWidget *item;
1953 gboolean rv = FALSE;
1954
1955 pass_along[0] = l;
1956 pass_along[1] = vlp;
1957 pass_along[2] = (gpointer) subtype;
1958 pass_along[3] = sublayer;
1959 staticiter = *iter; /* will exist after function has ended */
1960 pass_along[4] = &staticiter;
1961
1962 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT || subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
1963 {
1964 rv = TRUE;
1965
1966 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PROPERTIES, NULL );
1967 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_properties_item), pass_along );
1968 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
1969 gtk_widget_show ( item );
1970
1971 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_DELETE, NULL );
1972 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_delete_item), pass_along );
1973 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
1974 gtk_widget_show ( item );
1975
1976 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1977 {
1978 /* could be a right-click using the tool */
1979 if ( vlp != NULL ) {
1980 item = gtk_menu_item_new_with_label ( "Goto" );
1981 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_waypoint), pass_along );
1982 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
1983 gtk_widget_show ( item );
1984 }
1985
1986 if ( is_valid_geocache_name ( (gchar *) sublayer ) )
1987 {
1988 item = gtk_menu_item_new_with_label ( "Visit Geocache Webpage" );
1989 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_waypoint_gc_webpage), pass_along );
1990 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
1991 gtk_widget_show ( item );
1992 }
1993
1994 }
1995 }
1996
1997 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
1998 {
1999 item = gtk_menu_item_new ();
2000 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2001 gtk_widget_show ( item );
2002
2003 item = gtk_menu_item_new_with_label ( "Goto Startpoint" );
2004 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_startpoint), pass_along );
2005 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2006 gtk_widget_show ( item );
2007
2008 item = gtk_menu_item_new_with_label ( "Goto \"Center\"" );
2009 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_center), pass_along );
2010 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2011 gtk_widget_show ( item );
2012
2013 item = gtk_menu_item_new_with_label ( "Goto Endpoint" );
2014 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_endpoint), pass_along );
2015 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2016 gtk_widget_show ( item );
111fa174
AF		 2017
2018 item = gtk_menu_item_new_with_label ( "Merge By Time" );
2019 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_merge_by_timestamp), pass_along );
2020 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2021 gtk_widget_show ( item );
2022
2023 item = gtk_menu_item_new_with_label ( "Split By Time" );
2024 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_split_by_timestamp), pass_along );
2025 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2026 gtk_widget_show ( item );
50a14534
EB		 2027 }
2028
2029 if ( vlp && (subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINTS || subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT) )
2030 {
2031 item = gtk_menu_item_new ();
2032 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2033 gtk_widget_show ( item );
2034
2035 item = gtk_menu_item_new_with_label ( "New Waypoint" );
2036 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_new_wp), pass_along );
2037 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
2038 gtk_widget_show ( item );
2039 }
2040
2041 return rv;
2042}
2043
2044/* Params are: vvp, event, last match found or NULL */
2045static void tool_show_picture_wp ( char *name, VikWaypoint *wp, gpointer params[2] )
2046{
2047 if ( wp->image && wp->visible )
2048 {
2049 gint x, y, slackx, slacky;
2050 GdkEventButton *event = (GdkEventButton *) params[1];
2051
2052 vik_viewport_coord_to_screen ( VIK_VIEWPORT(params[0]), &(wp->coord), &x, &y );
2053 slackx = wp->image_width / 2;
2054 slacky = wp->image_height / 2;
2055 if ( x <= event->x + slackx && x >= event->x - slackx
2056 && y <= event->y + slacky && y >= event->y - slacky )
2057 {
2058 params[2] = wp->image; /* we've found a match. however continue searching
2059 * since we want to find the last match -- that
2060 * is, the match that was drawn last. */
2061 }
2062 }
2063}
2064
2065static gboolean tool_show_picture ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2066{
2067 gpointer params[3] = { vvp, event, NULL };
2068 g_hash_table_foreach ( vtl->waypoints, (GHFunc) tool_show_picture_wp, params );
2069 if ( params[2] )
2070 {
2071 /* thanks to the Gaim people for showing me ShellExecute and g_spawn_command_line_async */
2072#ifdef WINDOWS
2073 ShellExecute(NULL, NULL, (char *) params[2], NULL, ".\\", 0);
2074#else /* WINDOWS */
2075 GError *err = NULL;
2076 gchar *quoted_file = g_shell_quote ( (gchar *) params[2] );
2077 gchar *cmd = g_strdup_printf ( "eog %s", quoted_file );
2078 g_free ( quoted_file );
2079 if ( ! g_spawn_command_line_async ( cmd, &err ) )
2080 {
2081 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), "Could not launch eog to open file." );
2082 g_error_free ( err );
2083 }
2084 g_free ( cmd );
2085#endif /* WINDOWS */
2086 return TRUE; /* found a match */
2087 }
2088 else
2089 return FALSE; /* go through other layers, searching for a match */
2090}
2091
2092static gboolean tool_new_waypoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2093{
2094 VikCoord coord;
2095 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &coord );
2096 if (vik_trw_layer_new_waypoint ( vtl, VIK_GTK_WINDOW_FROM_LAYER(vtl), &coord ) && VIK_LAYER(vtl)->visible)
2097 vik_layer_emit_update ( VIK_LAYER(vtl) );
2098 return TRUE;
2099}
2100
2101typedef struct {
2102 gint x, y;
2103 gint closest_x, closest_y;
2104 gchar *closest_track_name;
2105 VikTrackpoint *closest_tp;
2106 VikViewport *vvp;
2107 GList *closest_tpl;
2108} TPSearchParams;
2109
2110static void track_search_closest_tp ( gchar *name, VikTrack *t, TPSearchParams *params )
2111{
2112 GList *tpl = t->trackpoints;
2113 VikTrackpoint *tp;
2114
2115 if ( !t->visible )
2116 return;
2117
2118 while (tpl)
2119 {
2120 gint x, y;
2121 tp = VIK_TRACKPOINT(tpl->data);
2122
2123 vik_viewport_coord_to_screen ( params->vvp, &(tp->coord), &x, &y );
2124
2125 if ( abs (x - params->x) <= TRACKPOINT_SIZE_APPROX && abs (y - params->y) <= TRACKPOINT_SIZE_APPROX &&
2126 ((!params->closest_tp) || /* was the old trackpoint we already found closer than this one? */
2127 abs(x - params->x)+abs(y - params->y) < abs(x - params->closest_x)+abs(y - params->closest_y)))
2128 {
2129 params->closest_track_name = name;
2130 params->closest_tp = tp;
2131 params->closest_tpl = tpl;
2132 params->closest_x = x;
2133 params->closest_y = y;
2134 }
2135 tpl = tpl->next;
2136 }
2137}
2138
2139/* to be called when last_tpl no long exists. */
2140static void trw_layer_cancel_last_tp ( VikTrwLayer *vtl )
2141{
2142 if ( vtl->tpwin ) /* can't join with a non-existant TP. */
2143 vik_trw_layer_tpwin_disable_join ( vtl->tpwin );
2144 vtl->last_tpl = NULL;
2145 vtl->last_tp_track_name = NULL;
2146}
2147
2148static void trw_layer_cancel_current_tp ( VikTrwLayer *vtl, gboolean destroy )
2149{
2150 if ( vtl->tpwin )
2151 {
2152 if ( destroy)
2153 {
2154 gtk_widget_destroy ( GTK_WIDGET(vtl->tpwin) );
2155 vtl->tpwin = NULL;
2156 }
2157 else
2158 vik_trw_layer_tpwin_set_empty ( vtl->tpwin );
2159 }
2160 if ( vtl->current_tpl )
2161 {
2162 vtl->current_tpl = NULL;
2163 vtl->current_tp_track_name = NULL;
2164 vik_layer_emit_update(VIK_LAYER(vtl));
2165 }
2166}
2167
2168static void trw_layer_tpwin_response ( VikTrwLayer *vtl, gint response )
2169{
2170 g_assert ( vtl->tpwin != NULL );
2171 if ( response == VIK_TRW_LAYER_TPWIN_CLOSE )
2172 trw_layer_cancel_current_tp ( vtl, TRUE );
2173 else if ( response == VIK_TRW_LAYER_TPWIN_SPLIT && vtl->current_tpl->next && vtl->current_tpl->prev )
2174 {
2175 gchar *name;
2176 if ( ( name = a_dialog_new_track ( GTK_WINDOW(vtl->tpwin), vtl->tracks ) ) )
2177 {
2178 VikTrack *tr = vik_track_new ();
2179 GList *newglist = g_list_alloc ();
2180 newglist->prev = NULL;
2181 newglist->next = vtl->current_tpl->next;
2182 newglist->data = vik_trackpoint_copy(VIK_TRACKPOINT(vtl->current_tpl->data));
2183 tr->trackpoints = newglist;
2184
2185 vtl->current_tpl->next->prev = newglist; /* end old track here */
2186 vtl->current_tpl->next = NULL;
2187
2188 vtl->current_tpl = newglist; /* change tp to first of new track. */
2189 vtl->current_tp_track_name = name;
2190
2191 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2192
2193 vik_trw_layer_add_track ( vtl, name, tr );
2194 vik_layer_emit_update(VIK_LAYER(vtl));
2195 }
2196 }
2197 else if ( response == VIK_TRW_LAYER_TPWIN_DELETE )
2198 {
2199 VikTrack *tr = g_hash_table_lookup ( vtl->tracks, vtl->current_tp_track_name );
2200 GList *new_tpl;
2201 g_assert(tr != NULL);
2202
2203 /* can't join with a non-existent trackpoint */
2204 vtl->last_tpl = NULL;
2205 vtl->last_tp_track_name = NULL;
2206
2207 if ( (new_tpl = vtl->current_tpl->next) || (new_tpl = vtl->current_tpl->prev) )
2208 {
2209 if ( VIK_TRACKPOINT(vtl->current_tpl->data)->newsegment && vtl->current_tpl->next )
2210 VIK_TRACKPOINT(vtl->current_tpl->next->data)->newsegment = TRUE; /* don't concat segments on del */
2211
2212 tr->trackpoints = g_list_remove_link ( tr->trackpoints, vtl->current_tpl ); /* this nulls current_tpl->prev and next */
2213
2214 /* at this point the old trackpoint exists, but the list links are correct (new), so it is safe to do this. */
2215 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, new_tpl, vtl->current_tp_track_name );
2216
2217 trw_layer_cancel_last_tp ( vtl );
2218
2219 g_free ( vtl->current_tpl->data ); /* TODO: vik_trackpoint_free() */
2220 g_list_free_1 ( vtl->current_tpl );
2221 vtl->current_tpl = new_tpl;
2222 vik_layer_emit_update(VIK_LAYER(vtl));
2223 }
2224 else
2225 {
2226 tr->trackpoints = g_list_remove_link ( tr->trackpoints, vtl->current_tpl );
2227 g_free ( vtl->current_tpl->data ); /* TODO longone: vik_trackpoint_new() and vik_trackpoint_free() */
2228 g_list_free_1 ( vtl->current_tpl );
2229 trw_layer_cancel_current_tp ( vtl, FALSE );
2230 }
2231 }
2232 else if ( response == VIK_TRW_LAYER_TPWIN_FORWARD && vtl->current_tpl->next )
2233 {
2234 vtl->last_tpl = vtl->current_tpl;
2235 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl = vtl->current_tpl->next, vtl->current_tp_track_name );
2236 vik_layer_emit_update(VIK_LAYER(vtl)); /* TODO longone: either move or only update if tp is inside drawing window */
2237 }
2238 else if ( response == VIK_TRW_LAYER_TPWIN_BACK && vtl->current_tpl->prev )
2239 {
2240 vtl->last_tpl = vtl->current_tpl;
2241 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl = vtl->current_tpl->prev, vtl->current_tp_track_name );
2242 vik_layer_emit_update(VIK_LAYER(vtl));
2243 }
2244 else if ( response == VIK_TRW_LAYER_TPWIN_JOIN )
2245 {
2246 VikTrack *tr1 = g_hash_table_lookup ( vtl->tracks, vtl->last_tp_track_name );
2247 VikTrack *tr2 = g_hash_table_lookup ( vtl->tracks, vtl->current_tp_track_name );
2248
2249 VikTrack *tr_first = tr1, *tr_last = tr2;
2250
2251 gchar *tmp;
2252
2253 if ( (!vtl->last_tpl->next) && (!vtl->current_tpl->next) ) /* both endpoints */
2254 vik_track_reverse ( tr2 ); /* reverse the second, that way second track clicked will be later. */
2255 else if ( (!vtl->last_tpl->prev) && (!vtl->current_tpl->prev) )
2256 vik_track_reverse ( tr1 );
2257 else if ( (!vtl->last_tpl->prev) && (!vtl->current_tpl->next) ) /* clicked startpoint, then endpoint -- concat end to start */
2258 {
2259 tr_first = tr2;
2260 tr_last = tr1;
2261 }
2262 /* default -- clicked endpoint then startpoint -- connect endpoint to startpoint */
2263
2264 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. */
2265 VIK_TRACKPOINT(tr_last->trackpoints->data)->newsegment = FALSE;
2266 tr1->trackpoints = g_list_concat ( tr_first->trackpoints, tr_last->trackpoints );
2267 tr2->trackpoints = NULL;
2268
2269 tmp = vtl->current_tp_track_name;
2270
2271 vtl->current_tp_track_name = vtl->last_tp_track_name; /* current_tp stays the same (believe it or not!) */
2272 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2273
2274 /* if we did this before, trw_layer_delete_track would have canceled the current tp because
2275 * it was the current track. canceling the current tp would have set vtl->current_tpl to NULL */
2276 trw_layer_delete_track ( vtl, tmp );
2277
2278 trw_layer_cancel_last_tp ( vtl ); /* same TP, can't join. */
2279 vik_layer_emit_update(VIK_LAYER(vtl));
2280 }
2281 else if ( response == VIK_TRW_LAYER_TPWIN_DATA_CHANGED )
2282 vik_layer_emit_update (VIK_LAYER(vtl));
2283}
2284
2285static void trw_layer_tpwin_init ( VikTrwLayer *vtl )
2286{
2287 if ( ! vtl->tpwin )
2288 {
2289 vtl->tpwin = vik_trw_layer_tpwin_new ( VIK_GTK_WINDOW_FROM_LAYER(vtl) );
2290 g_signal_connect_swapped ( GTK_DIALOG(vtl->tpwin), "response", G_CALLBACK(trw_layer_tpwin_response), vtl );
2291 /* connect signals -- DELETE SIGNAL VERY IMPORTANT TO SET TO NULL */
2292 g_signal_connect_swapped ( vtl->tpwin, "delete-event", G_CALLBACK(trw_layer_cancel_current_tp), vtl );
2293 gtk_widget_show_all ( GTK_WIDGET(vtl->tpwin) );
2294 }
2295 if ( vtl->current_tpl )
2296 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2297 /* set layer name and TP data */
2298}
2299
2300static VikTrackpoint *closest_tp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y )
2301{
2302 TPSearchParams params;
2303 params.x = x;
2304 params.y = y;
2305 params.vvp = vvp;
2306 params.closest_track_name = NULL;
2307 params.closest_tp = NULL;
2308 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_search_closest_tp, &params);
2309 return params.closest_tp;
2310}
2311
2312static gboolean tool_edit_trackpoint_release ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2313{
2314 if ( vtl->moving_tp )
2315 {
2316 /* vtl->moving_tp_x, vtl->moving_tp_y, etc. */
2317 VikCoord new_coord;
2318 vtl->moving_tp = FALSE;
2319 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
2320
2321 /* snap to TP */
2322 if ( event->state & GDK_CONTROL_MASK )
2323 {
2324 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2325 if ( tp && tp != vtl->current_tpl->data )
2326 new_coord = tp->coord;
2327 }
2328
2329 VIK_TRACKPOINT(vtl->current_tpl->data)->coord = new_coord;
2330
2331 /* diff dist is diff from orig */
2332 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2333 /* can't join with itself! */
2334 trw_layer_cancel_last_tp ( vtl );
2335
2336 vik_layer_emit_update ( VIK_LAYER(vtl) );
2337 return TRUE;
2338 }
2339 return FALSE;
2340}
2341
2342static gboolean tool_edit_trackpoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2343{
2344 TPSearchParams params;
2345 /* OUTDATED DOCUMENTATION:
2346 find 5 pixel range on each side. then put these UTM, and a pointer
2347 to the winning track name (and maybe the winning track itself), and a
2348 pointer to the winning trackpoint, inside an array or struct. pass
2349 this along, do a foreach on the tracks which will do a foreach on the
2350 trackpoints. */
2351 params.vvp = vvp;
2352 params.x = event->x;
2353 params.y = event->y;
2354 params.closest_track_name = NULL;
2355 /* TODO: should get track listitem so we can break it up, make a new track, mess it up, all that. */
2356 params.closest_tp = NULL;
2357
2358 if ( vtl->current_tpl )
2359 {
2360 /* 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.) */
2361 VikTrackpoint *tp = VIK_TRACKPOINT(vtl->current_tpl->data);
2362 VikTrack *current_tr = VIK_TRACK(g_hash_table_lookup(vtl->tracks, vtl->current_tp_track_name));
2363 gint x, y;
2364 g_assert ( current_tr );
2365
2366 vik_viewport_coord_to_screen ( vvp, &(tp->coord), &x, &y );
2367
2368 if ( current_tr->visible &&
2369 abs(x - event->x) < TRACKPOINT_SIZE_APPROX &&
2370 abs(y - event->y) < TRACKPOINT_SIZE_APPROX )
2371 {
2372 vtl->moving_tp = TRUE;
2373 return TRUE;
2374 }
2375
2376 vtl->last_tpl = vtl->current_tpl;
2377 vtl->last_tp_track_name = vtl->current_tp_track_name;
2378 }
2379
2380 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_search_closest_tp, &params);
2381
2382 if ( params.closest_tp )
2383 {
2384 vtl->current_tpl = params.closest_tpl;
2385 vtl->current_tp_track_name = params.closest_track_name;
2386 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, g_hash_table_lookup ( vtl->tracks_iters, vtl->current_tp_track_name ) );
2387 trw_layer_tpwin_init ( vtl );
2388 vik_layer_emit_update ( VIK_LAYER(vtl) );
2389 return TRUE;
2390 }
2391
2392
2393 /* these aren't the droids you're looking for */
2394 return FALSE;
2395}
2396
2397typedef struct {
2398 gint x, y;
2399 gint closest_x, closest_y;
2400 gchar *closest_wp_name;
2401 VikWaypoint *closest_wp;
2402 VikViewport *vvp;
2403} WPSearchParams;
2404
2405static void waypoint_search_closest_tp ( gchar *name, VikWaypoint *wp, WPSearchParams *params )
2406{
2407 gint x, y;
2408 if ( !wp->visible )
2409 return;
2410
2411 vik_viewport_coord_to_screen ( params->vvp, &(wp->coord), &x, &y );
2412
2413 if ( abs (x - params->x) <= WAYPOINT_SIZE_APPROX && abs (y - params->y) <= WAYPOINT_SIZE_APPROX &&
2414 ((!params->closest_wp) || /* was the old waypoint we already found closer than this one? */
2415 abs(x - params->x)+abs(y - params->y) < abs(x - params->closest_x)+abs(y - params->closest_y)))
2416 {
2417 params->closest_wp_name = name;
2418 params->closest_wp = wp;
2419 params->closest_x = x;
2420 params->closest_y = y;
2421 }
2422}
2423
2424static gboolean tool_edit_waypoint_release ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2425{
2426 if ( vtl->moving_wp )
2427 {
2428 VikCoord new_coord;
2429 vtl->moving_wp = FALSE;
2430 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
2431
2432 /* snap to TP */
2433 if ( event->state & GDK_CONTROL_MASK )
2434 {
2435 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2436 if ( tp )
2437 new_coord = tp->coord;
2438 }
2439
2440 /* snap to WP */
2441 if ( event->state & GDK_SHIFT_MASK )
2442 {
2443 VikWaypoint *wp = closest_wp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2444 if ( wp && wp != vtl->current_wp )
2445 new_coord = wp->coord;
2446 }
2447
2448 vtl->current_wp->coord = new_coord;
2449 vik_layer_emit_update ( VIK_LAYER(vtl) );
2450 return TRUE;
2451 }
2452 /* PUT IN RIGHT PLACE!!! */
2453 if ( vtl->waypoint_rightclick )
2454 {
2455 if ( vtl->wp_right_click_menu )
2456 gtk_object_sink ( GTK_OBJECT(vtl->wp_right_click_menu) );
2457 vtl->wp_right_click_menu = GTK_MENU ( gtk_menu_new () );
2458 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 ) );
2459 gtk_menu_popup ( vtl->wp_right_click_menu, NULL, NULL, NULL, NULL, event->button, gtk_get_current_event_time() );
2460 vtl->waypoint_rightclick = FALSE;
2461 }
2462 return FALSE;
2463}
2464
2465static VikWaypoint *closest_wp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y )
2466{
2467 WPSearchParams params;
2468 params.x = x;
2469 params.y = y;
2470 params.vvp = vvp;
2471 params.closest_wp = NULL;
2472 params.closest_wp_name = NULL;
2473 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_search_closest_tp, &params);
2474 return params.closest_wp;
2475}
2476
2477static gboolean tool_edit_waypoint ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2478{
2479 WPSearchParams params;
2480
2481 if ( vtl->current_wp && vtl->current_wp->visible )
2482 {
2483 /* first check if current WP is within area (other may be 'closer', but we want to move the current) */
2484 gint x, y;
2485 vik_viewport_coord_to_screen ( vvp, &(vtl->current_wp->coord), &x, &y );
2486
2487 if ( abs(x - event->x) < WAYPOINT_SIZE_APPROX &&
2488 abs(y - event->y) < WAYPOINT_SIZE_APPROX )
2489 {
2490 if ( event->button == 3 )
2491 vtl->waypoint_rightclick = TRUE; /* remember that we're clicking; other layers will ignore release signal */
2492 else
2493 vtl->moving_wp = TRUE;
2494 return TRUE;
2495 }
2496 }
2497
2498 params.vvp = vvp;
2499 params.x = event->x;
2500 params.y = event->y;
2501 params.closest_wp_name = NULL;
2502 /* TODO: should get track listitem so we can break it up, make a new track, mess it up, all that. */
2503 params.closest_wp = NULL;
2504 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_search_closest_tp, &params);
2505 if ( vtl->current_wp == params.closest_wp && vtl->current_wp != NULL )
2506 {
2507 vtl->moving_wp = TRUE;
2508 }
2509 else if ( params.closest_wp )
2510 {
2511 if ( event->button == 3 )
2512 vtl->waypoint_rightclick = TRUE; /* remember that we're clicking; other layers will ignore release signal */
2513 else
2514 vtl->waypoint_rightclick = FALSE;
2515
2516 vtl->current_wp = params.closest_wp;
2517 vtl->current_wp_name = params.closest_wp_name;
2518 vtl->moving_wp = FALSE;
2519
2520 if ( params.closest_wp )
2521 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, g_hash_table_lookup ( vtl->waypoints_iters, vtl->current_wp_name ) );
2522
2523 /* could make it so don't update if old WP is off screen and new is null but oh well */
2524 vik_layer_emit_update ( VIK_LAYER(vtl) );
2525 return TRUE;
2526 }
2527
2528 vtl->current_wp = NULL;
2529 vtl->current_wp_name = NULL;
2530 vtl->moving_wp = FALSE;
2531 vtl->waypoint_rightclick = FALSE;
2532 return FALSE;
2533}
2534
2535static gboolean tool_new_track ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2536{
2537 VikTrackpoint *tp;
2538
2539 if ( event->button == 3 && vtl->current_track )
2540 {
2541 /* undo */
2542 if ( vtl->current_track->trackpoints )
2543 {
2544 GList *last = g_list_last(vtl->current_track->trackpoints);
2545 g_free ( last->data );
2546 vtl->current_track->trackpoints = g_list_remove_link ( vtl->current_track->trackpoints, last );
2547 }
2548 vik_layer_emit_update ( VIK_LAYER(vtl) );
2549 return TRUE;
2550 }
2551
2552 if ( event->type == GDK_2BUTTON_PRESS )
2553 {
2554 /* subtract last (duplicate from double click) tp then end */
2555 if ( vtl->current_track && vtl->current_track->trackpoints && vtl->ct_x1 == vtl->ct_x2 && vtl->ct_y1 == vtl->ct_y2 )
2556 {
2557 GList *last = g_list_last(vtl->current_track->trackpoints);
2558 g_free ( last->data );
2559 vtl->current_track->trackpoints = g_list_remove_link ( vtl->current_track->trackpoints, last );
2560 /* undo last, then end */
2561 vtl->current_track = NULL;
2562 }
2563 return TRUE;
2564 }
2565
2566 if ( ! vtl->current_track )
2567 {
2568 gchar *name;
2569 if ( ( name = a_dialog_new_track ( VIK_GTK_WINDOW_FROM_LAYER(vtl), vtl->tracks ) ) )
2570 {
2571 vtl->current_track = vik_track_new();
2572 vtl->current_track->visible = TRUE;
2573 vik_trw_layer_add_track ( vtl, name, vtl->current_track );
2574 }
2575 else
2576 return TRUE;
2577 }
2578 tp = vik_trackpoint_new();
2579 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &(tp->coord) );
2580
2581 /* snap to other TP */
2582 if ( event->state & GDK_CONTROL_MASK )
2583 {
2584 VikTrackpoint *other_tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2585 if ( other_tp )
2586 tp->coord = other_tp->coord;
2587 }
2588
2589 tp->newsegment = FALSE;
2590 tp->has_timestamp = FALSE;
2591 tp->timestamp = 0;
2592 tp->altitude = VIK_DEFAULT_ALTITUDE;
2593 vtl->current_track->trackpoints = g_list_append ( vtl->current_track->trackpoints, tp );
2594
2595 vtl->ct_x1 = vtl->ct_x2;
2596 vtl->ct_y1 = vtl->ct_y2;
2597 vtl->ct_x2 = event->x;
2598 vtl->ct_y2 = event->y;
2599
2600 vik_layer_emit_update ( VIK_LAYER(vtl) );
2601 return TRUE;
2602}
2603
2604static void image_wp_make_list ( char *name, VikWaypoint *wp, GSList **pics )
2605{
2606 if ( wp->image && ( ! a_thumbnails_exists ( wp->image ) ) )
2607 *pics = g_slist_append ( *pics, (gpointer) g_strdup ( wp->image ) );
2608}
2609
2610static void create_thumbnails_thread ( GSList *pics, gpointer threaddata )
2611{
2612 guint total = g_slist_length(pics), done = 0;
2613 while ( pics )
2614 {
2615 a_thumbnails_create ( (gchar *) pics->data );
2616 a_background_thread_progress ( threaddata, ((gdouble) ++done) / total );
2617 pics = pics->next;
2618 }
2619}
2620
2621static void free_pics_slist ( GSList *pics )
2622{
2623 while ( pics )
2624 {
2625 g_free ( pics->data );
2626 pics = g_slist_delete_link ( pics, pics );
2627 }
2628}
2629
2630static void trw_layer_verify_thumbnails ( VikTrwLayer *vtl, GtkWidget *vp )
2631{
2632 if ( ! vtl->has_verified_thumbnails )
2633 {
2634 GSList *pics = NULL;
2635 g_hash_table_foreach ( vtl->waypoints, (GHFunc) image_wp_make_list, &pics );
2636 if ( pics )
2637 {
2638 gint len = g_slist_length ( pics );
2639 gchar *tmp = g_strdup_printf ( "Creating %d Image Thumbnails...", len );
2640 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 );
2641 g_free ( tmp );
2642 }
2643 }
2644}
2645
2646VikCoordMode vik_trw_layer_get_coord_mode ( VikTrwLayer *vtl )
2647{
2648 return vtl->coord_mode;
2649}
2650
2651
2652
2653static void waypoint_convert ( const gchar *name, VikWaypoint *wp, VikCoordMode *dest_mode )
2654{
2655 vik_coord_convert ( &(wp->coord), *dest_mode );
2656}
2657
2658static void track_convert ( const gchar *name, VikTrack *tr, VikCoordMode *dest_mode )
2659{
2660 vik_track_convert ( tr, *dest_mode );
2661}
2662
2663static void trw_layer_change_coord_mode ( VikTrwLayer *vtl, VikCoordMode dest_mode )
2664{
2665 if ( vtl->coord_mode != dest_mode )
2666 {
2667 vtl->coord_mode = dest_mode;
2668 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_convert, &dest_mode );
2669 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_convert, &dest_mode );
2670 }
2671}
Viking GPS editor