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1 | /* | |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #ifdef HAVE_CONFIG_H | |
23 | #include "config.h" | |
24 | #endif | |
25 | ||
26 | #include <gtk/gtk.h> | |
27 | #include <glib/gi18n.h> | |
28 | ||
29 | #include <string.h> | |
30 | ||
31 | #include "viking.h" | |
32 | #include "config.h" | |
33 | ||
34 | #define TREEVIEW_GET(model,iter,what,dest) gtk_tree_model_get(GTK_TREE_MODEL(model),(iter),(what),(dest),-1) | |
35 | ||
36 | enum { | |
37 | VT_ITEM_EDITED_SIGNAL, | |
38 | VT_ITEM_TOGGLED_SIGNAL, | |
39 | VT_LAST_SIGNAL | |
40 | }; | |
41 | ||
42 | static guint treeview_signals[VT_LAST_SIGNAL] = { 0, 0 }; | |
43 | ||
44 | static GObjectClass *parent_class; | |
45 | ||
46 | enum | |
47 | { | |
48 | NAME_COLUMN = 0, | |
49 | VISIBLE_COLUMN, | |
50 | ICON_COLUMN, | |
51 | /* invisible */ | |
52 | ||
53 | TYPE_COLUMN, | |
54 | ITEM_PARENT_COLUMN, | |
55 | ITEM_POINTER_COLUMN, | |
56 | ITEM_DATA_COLUMN, | |
57 | HAS_VISIBLE_COLUMN, | |
58 | EDITABLE_COLUMN, | |
59 | /* properties dialog, delete, rename, etc. */ | |
60 | NUM_COLUMNS | |
61 | }; | |
62 | ||
63 | struct _VikTreeview { | |
64 | GtkTreeView treeview; | |
65 | GtkTreeModel *model; | |
66 | ||
67 | GdkPixbuf *layer_type_icons[VIK_LAYER_NUM_TYPES]; | |
68 | ||
69 | gboolean was_a_toggle; | |
70 | }; | |
71 | ||
72 | /* TODO: find, make "static" and put up here all non-"a_" functions */ | |
73 | static void vik_treeview_finalize ( GObject *gob ); | |
74 | static void vik_treeview_add_columns ( VikTreeview *vt ); | |
75 | ||
76 | static gboolean vik_treeview_drag_data_received ( GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data ); | |
77 | static gboolean vik_treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path ); | |
78 | ||
79 | G_DEFINE_TYPE (VikTreeview, vik_treeview, GTK_TYPE_TREE_VIEW) | |
80 | ||
81 | static void vik_treeview_class_init ( VikTreeviewClass *klass ) | |
82 | { | |
83 | /* Destructor */ | |
84 | GObjectClass *object_class; | |
85 | ||
86 | object_class = G_OBJECT_CLASS (klass); | |
87 | ||
88 | object_class->finalize = vik_treeview_finalize; | |
89 | ||
90 | parent_class = g_type_class_peek_parent (klass); | |
91 | ||
92 | treeview_signals[VT_ITEM_EDITED_SIGNAL] = g_signal_new ( "item_edited", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (VikTreeviewClass, item_edited), NULL, NULL, | |
93 | gtk_marshal_VOID__POINTER_POINTER, G_TYPE_NONE, 2, GTK_TYPE_POINTER, G_TYPE_POINTER); | |
94 | /* VOID__UINT_POINTER: kinda hack-ish, but it works. */ | |
95 | ||
96 | treeview_signals[VT_ITEM_TOGGLED_SIGNAL] = g_signal_new ( "item_toggled", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (VikTreeviewClass, item_toggled), NULL, NULL, | |
97 | g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, GTK_TYPE_POINTER ); | |
98 | } | |
99 | ||
100 | static void vik_treeview_edited_cb (GtkCellRendererText *cell, gchar *path_str, const gchar *new_name, VikTreeview *vt) | |
101 | { | |
102 | GtkTreeIter iter; | |
103 | ||
104 | /* get type and data */ | |
105 | vik_treeview_get_iter_from_path_str ( vt, &iter, path_str ); | |
106 | ||
107 | g_signal_emit ( G_OBJECT(vt), treeview_signals[VT_ITEM_EDITED_SIGNAL], 0, &iter, new_name ); | |
108 | } | |
109 | ||
110 | static void vik_treeview_toggled_cb (GtkCellRendererToggle *cell, gchar *path_str, VikTreeview *vt) | |
111 | { | |
112 | GtkTreeIter iter_toggle; | |
113 | GtkTreeIter iter_selected; | |
114 | ||
115 | /* get type and data */ | |
116 | vik_treeview_get_iter_from_path_str ( vt, &iter_toggle, path_str ); | |
117 | ||
118 | GtkTreePath *tp_toggle = gtk_tree_model_get_path ( vt->model, &iter_toggle ); | |
119 | ||
120 | if ( gtk_tree_selection_get_selected ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), NULL, &iter_selected ) ) { | |
121 | GtkTreePath *tp_selected = gtk_tree_model_get_path ( vt->model, &iter_selected ); | |
122 | if ( gtk_tree_path_compare ( tp_toggle, tp_selected ) ) | |
123 | // Toggle set on different path | |
124 | // therefore prevent subsequent auto selection (otherwise no action needed) | |
125 | vt->was_a_toggle = TRUE; | |
126 | } | |
127 | else | |
128 | // Toggle set on new path | |
129 | // therefore prevent subsequent auto selection | |
130 | vt->was_a_toggle = TRUE; | |
131 | ||
132 | g_signal_emit ( G_OBJECT(vt), treeview_signals[VT_ITEM_TOGGLED_SIGNAL], 0, &iter_toggle ); | |
133 | } | |
134 | ||
135 | /* Inspired by GTK+ test | |
136 | * http://git.gnome.org/browse/gtk+/tree/tests/testtooltips.c | |
137 | */ | |
138 | static gboolean | |
139 | vik_treeview_tooltip_cb (GtkWidget *widget, | |
140 | gint x, | |
141 | gint y, | |
142 | gboolean keyboard_tip, | |
143 | GtkTooltip *tooltip, | |
144 | gpointer data) | |
145 | { | |
146 | GtkTreeIter iter; | |
147 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); | |
148 | GtkTreeModel *model = gtk_tree_view_get_model (tree_view); | |
149 | GtkTreePath *path = NULL; | |
150 | ||
151 | char buffer[256]; | |
152 | ||
153 | if (!gtk_tree_view_get_tooltip_context (tree_view, &x, &y, | |
154 | keyboard_tip, | |
155 | &model, &path, &iter)) | |
156 | return FALSE; | |
157 | ||
158 | /* ATM normally treeview doesn't call into layers - maybe another level of redirection required? */ | |
159 | gint rv; | |
160 | gtk_tree_model_get (model, &iter, TYPE_COLUMN, &rv, -1); | |
161 | if ( rv == VIK_TREEVIEW_TYPE_SUBLAYER ) { | |
162 | ||
163 | gtk_tree_model_get (model, &iter, ITEM_DATA_COLUMN, &rv, -1); | |
164 | ||
165 | gpointer sublayer; | |
166 | gtk_tree_model_get (model, &iter, ITEM_POINTER_COLUMN, &sublayer, -1); | |
167 | ||
168 | gpointer parent; | |
169 | gtk_tree_model_get (model, &iter, ITEM_PARENT_COLUMN, &parent, -1); | |
170 | ||
171 | g_snprintf (buffer, sizeof(buffer), "%s", vik_layer_sublayer_tooltip (VIK_LAYER(parent), rv, sublayer)); | |
172 | } | |
173 | else if ( rv == VIK_TREEVIEW_TYPE_LAYER ) { | |
174 | gpointer layer; | |
175 | gtk_tree_model_get (model, &iter, ITEM_POINTER_COLUMN, &layer, -1); | |
176 | g_snprintf (buffer, sizeof(buffer), "%s", vik_layer_layer_tooltip (VIK_LAYER(layer))); | |
177 | } | |
178 | else | |
179 | return FALSE; | |
180 | ||
181 | // Don't display null strings :) | |
182 | if ( strncmp (buffer, "(null)", 6) == 0 ) { | |
183 | return FALSE; | |
184 | } | |
185 | else { | |
186 | // No point in using (Pango) markup verson - gtk_tooltip_set_markup() | |
187 | // especially as waypoint comments may well contain HTML markup which confuses the pango markup parser | |
188 | // This plain text is probably faster too. | |
189 | gtk_tooltip_set_text (tooltip, buffer); | |
190 | } | |
191 | ||
192 | gtk_tree_view_set_tooltip_row (tree_view, tooltip, path); | |
193 | ||
194 | gtk_tree_path_free (path); | |
195 | ||
196 | return TRUE; | |
197 | } | |
198 | ||
199 | VikTreeview *vik_treeview_new () | |
200 | { | |
201 | return VIK_TREEVIEW ( g_object_new ( VIK_TREEVIEW_TYPE, NULL ) ); | |
202 | } | |
203 | ||
204 | gint vik_treeview_item_get_type ( VikTreeview *vt, GtkTreeIter *iter ) | |
205 | { | |
206 | gint rv; | |
207 | TREEVIEW_GET ( vt->model, iter, TYPE_COLUMN, &rv ); | |
208 | return rv; | |
209 | } | |
210 | ||
211 | gchar* vik_treeview_item_get_name ( VikTreeview *vt, GtkTreeIter *iter ) | |
212 | { | |
213 | gchar *rv; | |
214 | TREEVIEW_GET ( vt->model, iter, NAME_COLUMN, &rv ); | |
215 | return rv; | |
216 | } | |
217 | ||
218 | gint vik_treeview_item_get_data ( VikTreeview *vt, GtkTreeIter *iter ) | |
219 | { | |
220 | gint rv; | |
221 | TREEVIEW_GET ( vt->model, iter, ITEM_DATA_COLUMN, &rv ); | |
222 | return rv; | |
223 | } | |
224 | ||
225 | gpointer vik_treeview_item_get_pointer ( VikTreeview *vt, GtkTreeIter *iter ) | |
226 | { | |
227 | gpointer rv; | |
228 | TREEVIEW_GET ( vt->model, iter, ITEM_POINTER_COLUMN, &rv ); | |
229 | return rv; | |
230 | } | |
231 | ||
232 | void vik_treeview_item_set_pointer ( VikTreeview *vt, GtkTreeIter *iter, gpointer pointer ) | |
233 | { | |
234 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, ITEM_POINTER_COLUMN, pointer, -1 ); | |
235 | } | |
236 | ||
237 | gpointer vik_treeview_item_get_parent ( VikTreeview *vt, GtkTreeIter *iter ) | |
238 | { | |
239 | gpointer rv; | |
240 | TREEVIEW_GET ( vt->model, iter, ITEM_PARENT_COLUMN, &rv ); | |
241 | return rv; | |
242 | } | |
243 | ||
244 | gboolean vik_treeview_get_iter_from_path_str ( VikTreeview *vt, GtkTreeIter *iter, const gchar *path_str ) | |
245 | { | |
246 | return gtk_tree_model_get_iter_from_string ( GTK_TREE_MODEL(vt->model), iter, path_str ); | |
247 | } | |
248 | ||
249 | static void vik_treeview_add_columns ( VikTreeview *vt ) | |
250 | { | |
251 | gint col_offset; | |
252 | GtkCellRenderer *renderer; | |
253 | GtkTreeViewColumn *column; | |
254 | ||
255 | /* Layer column */ | |
256 | renderer = gtk_cell_renderer_text_new (); | |
257 | g_signal_connect (renderer, "edited", | |
258 | G_CALLBACK (vik_treeview_edited_cb), vt); | |
259 | ||
260 | g_object_set (G_OBJECT (renderer), "xalign", 0.0, "ellipsize", PANGO_ELLIPSIZE_END, NULL); | |
261 | ||
262 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
263 | -1, _("Layer Name"), | |
264 | renderer, "text", | |
265 | NAME_COLUMN, | |
266 | "editable", EDITABLE_COLUMN, | |
267 | NULL); | |
268 | ||
269 | /* ATM the minimum overall width (and starting default) of the treeview size is determined | |
270 | by the buttons added to the bottom of the layerspanel */ | |
271 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); | |
272 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), | |
273 | GTK_TREE_VIEW_COLUMN_FIXED); | |
274 | gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE); | |
275 | ||
276 | /* Layer type */ | |
277 | renderer = gtk_cell_renderer_pixbuf_new (); | |
278 | ||
279 | g_object_set (G_OBJECT (renderer), "xalign", 0.5, NULL); | |
280 | ||
281 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
282 | -1, "", | |
283 | renderer, "pixbuf", | |
284 | ICON_COLUMN, | |
285 | NULL); | |
286 | ||
287 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); | |
288 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), | |
289 | GTK_TREE_VIEW_COLUMN_AUTOSIZE); | |
290 | ||
291 | /* Layer visible */ | |
292 | renderer = gtk_cell_renderer_toggle_new (); | |
293 | g_object_set (G_OBJECT (renderer), "xalign", 0.5, NULL); | |
294 | ||
295 | g_signal_connect (renderer, "toggled", G_CALLBACK (vik_treeview_toggled_cb), vt); | |
296 | ||
297 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
298 | -1, "", | |
299 | renderer, | |
300 | "active", | |
301 | VISIBLE_COLUMN, | |
302 | "visible", | |
303 | HAS_VISIBLE_COLUMN, | |
304 | "activatable", | |
305 | HAS_VISIBLE_COLUMN, | |
306 | NULL); | |
307 | ||
308 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); | |
309 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), | |
310 | GTK_TREE_VIEW_COLUMN_AUTOSIZE); | |
311 | ||
312 | ||
313 | g_object_set (GTK_TREE_VIEW (vt), "has-tooltip", TRUE, NULL); | |
314 | g_signal_connect (GTK_TREE_VIEW (vt), "query-tooltip", G_CALLBACK (vik_treeview_tooltip_cb), vt); | |
315 | } | |
316 | ||
317 | static void select_cb(GtkTreeSelection *selection, gpointer data) | |
318 | { | |
319 | VikTreeview *vt = data; | |
320 | gint type; | |
321 | GtkTreeIter iter, parent; | |
322 | VikLayer *vl; | |
323 | VikWindow * vw; | |
324 | ||
325 | gpointer tmp_layer; | |
326 | VikLayer *tmp_vl = NULL; | |
327 | gint tmp_subtype = 0; | |
328 | gint tmp_type = VIK_TREEVIEW_TYPE_LAYER; | |
329 | ||
330 | if (!gtk_tree_selection_get_selected(selection, NULL, &iter)) return; | |
331 | type = vik_treeview_item_get_type( vt, &iter); | |
332 | ||
333 | /* Find the Sublayer type if possible */ | |
334 | tmp_layer = vik_treeview_item_get_pointer ( vt, &iter ); | |
335 | if (tmp_layer) { | |
336 | if (type == VIK_TREEVIEW_TYPE_SUBLAYER) { | |
337 | tmp_vl = VIK_LAYER(vik_treeview_item_get_parent(vt, &iter)); | |
338 | tmp_subtype = vik_treeview_item_get_data(vt, &iter); | |
339 | tmp_type = VIK_TREEVIEW_TYPE_SUBLAYER; | |
340 | } | |
341 | } | |
342 | else { | |
343 | tmp_subtype = vik_treeview_item_get_data(vt, &iter); | |
344 | tmp_type = VIK_TREEVIEW_TYPE_SUBLAYER; | |
345 | } | |
346 | ||
347 | /* Go up the tree to find the Vik Layer */ | |
348 | while ( type != VIK_TREEVIEW_TYPE_LAYER ) { | |
349 | if ( ! vik_treeview_item_get_parent_iter ( vt, &iter, &parent ) ) | |
350 | return; | |
351 | iter = parent; | |
352 | type = vik_treeview_item_get_type (vt, &iter ); | |
353 | } | |
354 | ||
355 | vl = VIK_LAYER( vik_treeview_item_get_pointer ( vt, &iter ) ); | |
356 | ||
357 | vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vl)); | |
358 | vik_window_selected_layer(vw, vl); | |
359 | ||
360 | if (tmp_vl == NULL) | |
361 | tmp_vl = vl; | |
362 | /* Apply settings now we have the all details */ | |
363 | if ( vik_layer_selected ( tmp_vl, | |
364 | tmp_subtype, | |
365 | tmp_layer, | |
366 | tmp_type, | |
367 | vik_window_layers_panel(vw) ) ) { | |
368 | /* Redraw required */ | |
369 | vik_layers_panel_emit_update ( vik_window_layers_panel(vw) ); | |
370 | } | |
371 | ||
372 | } | |
373 | ||
374 | static gboolean vik_treeview_selection_filter(GtkTreeSelection *selection, GtkTreeModel *model, GtkTreePath *path, gboolean path_currently_selected, gpointer data) | |
375 | { | |
376 | VikTreeview *vt = data; | |
377 | ||
378 | if (vt->was_a_toggle) { | |
379 | vt->was_a_toggle = FALSE; | |
380 | return FALSE; | |
381 | } | |
382 | ||
383 | return TRUE; | |
384 | } | |
385 | ||
386 | void vik_treeview_init ( VikTreeview *vt ) | |
387 | { | |
388 | guint16 i; | |
389 | ||
390 | vt->was_a_toggle = FALSE; | |
391 | ||
392 | vt->model = GTK_TREE_MODEL(gtk_tree_store_new ( NUM_COLUMNS, G_TYPE_STRING, G_TYPE_BOOLEAN, GDK_TYPE_PIXBUF, G_TYPE_INT, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_INT, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN )); | |
393 | ||
394 | /* create tree view */ | |
395 | gtk_tree_selection_set_select_function(gtk_tree_view_get_selection (GTK_TREE_VIEW(vt)), vik_treeview_selection_filter, vt, NULL); | |
396 | ||
397 | gtk_tree_view_set_model ( GTK_TREE_VIEW(vt), vt->model ); | |
398 | vik_treeview_add_columns ( vt ); | |
399 | g_object_unref (vt->model); | |
400 | ||
401 | gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (vt), TRUE); | |
402 | gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (vt)), | |
403 | GTK_SELECTION_SINGLE); | |
404 | ||
405 | /* Override treestore's dnd methods only; this is easier than deriving from GtkTreeStore. | |
406 | * The downside is that all treestores will have this behavior, so this needs to be | |
407 | * changed if we add more treeviews in the future. //Alex | |
408 | */ | |
409 | if (1) { | |
410 | GtkTreeDragSourceIface *isrc; | |
411 | GtkTreeDragDestIface *idest; | |
412 | ||
413 | isrc = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_SOURCE); | |
414 | isrc->drag_data_delete = vik_treeview_drag_data_delete; | |
415 | ||
416 | idest = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_DEST); | |
417 | idest->drag_data_received = vik_treeview_drag_data_received; | |
418 | } | |
419 | ||
420 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
421 | vt->layer_type_icons[i] = vik_layer_load_icon ( i ); /* if icon can't be loaded, it will be null and simply not be shown. */ | |
422 | ||
423 | gtk_tree_view_set_reorderable (GTK_TREE_VIEW(vt), TRUE); | |
424 | g_signal_connect(gtk_tree_view_get_selection (GTK_TREE_VIEW (vt)), "changed", | |
425 | G_CALLBACK(select_cb), vt); | |
426 | ||
427 | } | |
428 | ||
429 | gboolean vik_treeview_item_get_parent_iter ( VikTreeview *vt, GtkTreeIter *iter, GtkTreeIter *parent ) | |
430 | { | |
431 | return gtk_tree_model_iter_parent ( GTK_TREE_MODEL(vt->model), parent, iter ); | |
432 | } | |
433 | ||
434 | gboolean vik_treeview_move_item ( VikTreeview *vt, GtkTreeIter *iter, gboolean up ) | |
435 | { | |
436 | gint t = vik_treeview_item_get_type ( vt, iter ); | |
437 | if ( t == VIK_TREEVIEW_TYPE_LAYER ) | |
438 | { | |
439 | GtkTreeIter switch_iter; | |
440 | if (up) | |
441 | { | |
442 | /* iter to path to iter */ | |
443 | GtkTreePath *path = gtk_tree_model_get_path ( vt->model, iter ); | |
444 | if ( !gtk_tree_path_prev ( path ) || !gtk_tree_model_get_iter ( vt->model, &switch_iter, path ) ) | |
445 | { | |
446 | gtk_tree_path_free ( path ); | |
447 | return FALSE; | |
448 | } | |
449 | gtk_tree_path_free ( path ); | |
450 | } | |
451 | else | |
452 | { | |
453 | switch_iter = *iter; | |
454 | if ( !gtk_tree_model_iter_next ( vt->model, &switch_iter ) ) | |
455 | return FALSE; | |
456 | } | |
457 | gtk_tree_store_swap ( GTK_TREE_STORE(vt->model), iter, &switch_iter ); | |
458 | return TRUE; | |
459 | /* now, the easy part. actually switching them, not the GUI */ | |
460 | } /* if item is map */ | |
461 | return FALSE; | |
462 | } | |
463 | ||
464 | gboolean vik_treeview_get_iter_at_pos ( VikTreeview *vt, GtkTreeIter *iter, gint x, gint y ) | |
465 | { | |
466 | GtkTreePath *path; | |
467 | gtk_tree_view_get_path_at_pos ( GTK_TREE_VIEW(vt), x, y, &path, NULL, NULL, NULL ); | |
468 | if ( ! path ) | |
469 | return FALSE; | |
470 | ||
471 | gtk_tree_model_get_iter (GTK_TREE_MODEL(vt->model), iter, path); | |
472 | gtk_tree_path_free ( path ); | |
473 | return TRUE; | |
474 | } | |
475 | ||
476 | /* Option to ensure visible */ | |
477 | void vik_treeview_select_iter ( VikTreeview *vt, GtkTreeIter *iter, gboolean view_all ) | |
478 | { | |
479 | GtkTreeView *tree_view = GTK_TREE_VIEW ( vt ); | |
480 | GtkTreePath *path; | |
481 | ||
482 | if ( view_all ) { | |
483 | path = gtk_tree_model_get_path ( gtk_tree_view_get_model (tree_view), iter ); | |
484 | gtk_tree_view_expand_to_path ( tree_view, path ); | |
485 | } | |
486 | ||
487 | gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( tree_view ), iter ); | |
488 | ||
489 | if ( view_all ) { | |
490 | gtk_tree_view_scroll_to_cell ( tree_view, | |
491 | path, | |
492 | gtk_tree_view_get_expander_column (tree_view), | |
493 | FALSE, | |
494 | 0.0, 0.0 ); | |
495 | } | |
496 | } | |
497 | ||
498 | gboolean vik_treeview_get_selected_iter ( VikTreeview *vt, GtkTreeIter *iter ) | |
499 | { | |
500 | return gtk_tree_selection_get_selected ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), NULL, iter ); | |
501 | } | |
502 | ||
503 | void vik_treeview_item_delete ( VikTreeview *vt, GtkTreeIter *iter ) | |
504 | { | |
505 | gtk_tree_store_remove ( GTK_TREE_STORE(vt->model), iter ); | |
506 | } | |
507 | ||
508 | /* Treeview Reform Project */ | |
509 | ||
510 | void vik_treeview_item_set_icon ( VikTreeview *vt, GtkTreeIter *iter, const GdkPixbuf *icon ) | |
511 | { | |
512 | g_return_if_fail ( iter != NULL && icon != NULL ); | |
513 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, ICON_COLUMN, icon, -1); | |
514 | } | |
515 | ||
516 | void vik_treeview_item_set_name ( VikTreeview *vt, GtkTreeIter *iter, const gchar *to ) | |
517 | { | |
518 | g_return_if_fail ( iter != NULL && to != NULL ); | |
519 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, to, -1); | |
520 | } | |
521 | ||
522 | void vik_treeview_item_set_visible ( VikTreeview *vt, GtkTreeIter *iter, gboolean to ) | |
523 | { | |
524 | g_return_if_fail ( iter != NULL ); | |
525 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, VISIBLE_COLUMN, to, -1 ); | |
526 | } | |
527 | ||
528 | void vik_treeview_expand ( VikTreeview *vt, GtkTreeIter *iter ) | |
529 | { | |
530 | GtkTreePath *path; | |
531 | path = gtk_tree_model_get_path ( vt->model, iter ); | |
532 | gtk_tree_view_expand_row ( GTK_TREE_VIEW(vt), path, FALSE ); | |
533 | gtk_tree_path_free ( path ); | |
534 | } | |
535 | ||
536 | void vik_treeview_item_select ( VikTreeview *vt, GtkTreeIter *iter ) | |
537 | { | |
538 | gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter ); | |
539 | } | |
540 | ||
541 | void vik_treeview_item_unselect ( VikTreeview *vt, GtkTreeIter *iter ) | |
542 | { | |
543 | gtk_tree_selection_unselect_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter ); | |
544 | } | |
545 | ||
546 | void vik_treeview_add_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, | |
547 | gpointer item, gint data, gint icon_type ) | |
548 | { | |
549 | g_assert ( iter != NULL ); | |
550 | g_assert ( icon_type < VIK_LAYER_NUM_TYPES ); | |
551 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
552 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, | |
553 | TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, | |
554 | ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, parent == NULL ? FALSE : TRUE, | |
555 | ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 ); | |
556 | } | |
557 | ||
558 | void vik_treeview_insert_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, | |
559 | gpointer item, gint data, gint icon_type, GtkTreeIter *sibling ) | |
560 | { | |
561 | g_assert ( iter != NULL ); | |
562 | g_assert ( icon_type < VIK_LAYER_NUM_TYPES ); | |
563 | if (sibling) { | |
564 | gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, sibling ); | |
565 | } else { | |
566 | gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
567 | } | |
568 | ||
569 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, | |
570 | TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, | |
571 | ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, TRUE, | |
572 | ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 ); | |
573 | } | |
574 | ||
575 | void vik_treeview_add_sublayer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item, | |
576 | gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable ) | |
577 | { | |
578 | g_assert ( iter != NULL ); | |
579 | ||
580 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
581 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, TYPE_COLUMN, VIK_TREEVIEW_TYPE_SUBLAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, has_visible, EDITABLE_COLUMN, editable, ICON_COLUMN, icon, -1 ); | |
582 | } | |
583 | ||
584 | ||
585 | #ifdef VIK_CONFIG_ALPHABETIZED_TRW | |
586 | ||
587 | void vik_treeview_sublayer_realphabetize ( VikTreeview *vt, GtkTreeIter *iter, const gchar *newname ) | |
588 | { | |
589 | GtkTreeIter search_iter, parent_iter; | |
590 | gchar *search_name = NULL; | |
591 | g_assert ( iter != NULL ); | |
592 | ||
593 | gtk_tree_model_iter_parent ( vt->model, &parent_iter, iter ); | |
594 | ||
595 | g_assert ( gtk_tree_model_iter_children ( vt->model, &search_iter, &parent_iter ) ); | |
596 | ||
597 | do { | |
598 | gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 ); | |
599 | if ( strcmp ( search_name, newname ) > 0 ) /* not >= or would trip on itself */ | |
600 | { | |
601 | gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, &search_iter ); | |
602 | g_free (search_name); | |
603 | search_name = NULL; | |
604 | return; | |
605 | } | |
606 | g_free (search_name); | |
607 | search_name = NULL; | |
608 | } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) ); | |
609 | ||
610 | gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, NULL ); | |
611 | } | |
612 | ||
613 | void vik_treeview_add_sublayer_alphabetized | |
614 | ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item, | |
615 | gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable ) | |
616 | { | |
617 | GtkTreeIter search_iter; | |
618 | gchar *search_name = NULL; | |
619 | g_assert ( iter != NULL ); | |
620 | ||
621 | if ( gtk_tree_model_iter_children ( vt->model, &search_iter, parent_iter ) ) | |
622 | { | |
623 | gboolean found_greater_string = FALSE; | |
624 | do { | |
625 | gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 ); | |
626 | if ( strcmp ( search_name, name ) >= 0 ) | |
627 | { | |
628 | gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, &search_iter ); | |
629 | found_greater_string = TRUE; | |
630 | g_free (search_name); | |
631 | search_name = NULL; | |
632 | break; | |
633 | } | |
634 | g_free (search_name); | |
635 | search_name = NULL; | |
636 | } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) ); | |
637 | ||
638 | if ( ! found_greater_string ) | |
639 | gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
640 | } | |
641 | else | |
642 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
643 | ||
644 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, TYPE_COLUMN, VIK_TREEVIEW_TYPE_SUBLAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, has_visible, EDITABLE_COLUMN, editable, ICON_COLUMN, icon, -1 ); | |
645 | } | |
646 | ||
647 | #endif | |
648 | ||
649 | static void vik_treeview_finalize ( GObject *gob ) | |
650 | { | |
651 | VikTreeview *vt = VIK_TREEVIEW ( gob ); | |
652 | guint16 i; | |
653 | ||
654 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
655 | if ( vt->layer_type_icons[i] != NULL ) | |
656 | g_object_unref ( G_OBJECT(vt->layer_type_icons[i]) ); | |
657 | ||
658 | G_OBJECT_CLASS(parent_class)->finalize(gob); | |
659 | } | |
660 | ||
661 | static gboolean vik_treeview_drag_data_received (GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data) | |
662 | { | |
663 | GtkTreeModel *tree_model; | |
664 | GtkTreeModel *src_model = NULL; | |
665 | GtkTreePath *src_path = NULL, *dest_cp = NULL; | |
666 | gboolean retval = FALSE; | |
667 | GtkTreeIter src_iter, root_iter, dest_parent; | |
668 | VikTreeview *vt; | |
669 | VikLayer *vl; | |
670 | ||
671 | g_return_val_if_fail (GTK_IS_TREE_STORE (drag_dest), FALSE); | |
672 | ||
673 | tree_model = GTK_TREE_MODEL (drag_dest); | |
674 | ||
675 | if (gtk_tree_get_row_drag_data (selection_data, &src_model, &src_path) && src_model == tree_model) { | |
676 | /* | |
677 | * Copy src_path to dest. There are two subcases here, depending on what | |
678 | * is being dragged. | |
679 | * | |
680 | * 1. src_path is a layer. In this case, interpret the drop | |
681 | * as a request to move the layer to a different aggregate layer. | |
682 | * If the destination is not an aggregate layer, use the first | |
683 | * ancestor that is. | |
684 | * | |
685 | * 2. src_path is a sublayer. In this case, find ancestors of | |
686 | * both source and destination nodes who are full layers, | |
687 | * and call the move method of that layer type. | |
688 | * | |
689 | */ | |
690 | if (!gtk_tree_model_get_iter (src_model, &src_iter, src_path)) { | |
691 | goto out; | |
692 | } | |
693 | if (!gtk_tree_path_compare(src_path, dest)) { | |
694 | goto out; | |
695 | } | |
696 | ||
697 | dest_cp = gtk_tree_path_copy (dest); | |
698 | ||
699 | gtk_tree_model_get_iter_first(tree_model, &root_iter); | |
700 | TREEVIEW_GET(tree_model, &root_iter, ITEM_POINTER_COLUMN, &vl); | |
701 | vt = vl->vt; | |
702 | ||
703 | ||
704 | if (gtk_tree_path_get_depth(dest_cp)>1) { /* can't be sibling of top layer */ | |
705 | VikLayer *vl_src, *vl_dest; | |
706 | ||
707 | /* Find the first ancestor that is a full layer, and store in dest_parent. */ | |
708 | do { | |
709 | gtk_tree_path_up(dest_cp); | |
710 | gtk_tree_model_get_iter (src_model, &dest_parent, dest_cp); | |
711 | } while (gtk_tree_path_get_depth(dest_cp)>1 && | |
712 | vik_treeview_item_get_type(vt, &dest_parent) != VIK_TREEVIEW_TYPE_LAYER); | |
713 | ||
714 | ||
715 | g_assert ( vik_treeview_item_get_parent(vt, &src_iter) ); | |
716 | vl_src = vik_treeview_item_get_parent(vt, &src_iter); | |
717 | vl_dest = vik_treeview_item_get_pointer(vt, &dest_parent); | |
718 | ||
719 | /* TODO: might want to allow different types, and let the clients handle how they want */ | |
720 | if (vl_src->type == vl_dest->type && vik_layer_get_interface(vl_dest->type)->drag_drop_request) { | |
721 | // g_print("moving an item from layer '%s' into layer '%s'\n", vl_src->name, vl_dest->name); | |
722 | vik_layer_get_interface(vl_dest->type)->drag_drop_request(vl_src, vl_dest, &src_iter, dest); | |
723 | } | |
724 | } | |
725 | } | |
726 | ||
727 | out: | |
728 | if (dest_cp) | |
729 | gtk_tree_path_free(dest_cp); | |
730 | if (src_path) | |
731 | gtk_tree_path_free (src_path); | |
732 | ||
733 | return retval; | |
734 | } | |
735 | ||
736 | /* | |
737 | * This may not be necessary. | |
738 | */ | |
739 | static gboolean vik_treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path ) | |
740 | { | |
741 | gchar *s_dest = gtk_tree_path_to_string(path); | |
742 | g_print(_("delete data from %s\n"), s_dest); | |
743 | g_free(s_dest); | |
744 | return FALSE; | |
745 | } |