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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 | ||
70 | /* TODO: find, make "static" and put up here all non-"a_" functions */ | |
71 | static void treeview_class_init ( VikTreeviewClass *klass ); | |
72 | static void treeview_init ( VikTreeview *vt ); | |
73 | static void treeview_finalize ( GObject *gob ); | |
74 | static void treeview_add_columns ( VikTreeview *vt ); | |
75 | ||
76 | static gboolean treeview_drag_data_received ( GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data ); | |
77 | static gboolean treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path ); | |
78 | ||
79 | GType vik_treeview_get_type (void) | |
80 | { | |
81 | static GType vt_type = 0; | |
82 | ||
83 | if (!vt_type) | |
84 | { | |
85 | static const GTypeInfo vt_info = | |
86 | { | |
87 | sizeof (VikTreeviewClass), | |
88 | NULL, /* base_init */ | |
89 | NULL, /* base_finalize */ | |
90 | (GClassInitFunc) treeview_class_init, | |
91 | NULL, /* class_finalize */ | |
92 | NULL, /* class_data */ | |
93 | sizeof (VikTreeview), | |
94 | 0, | |
95 | (GInstanceInitFunc) treeview_init, | |
96 | }; | |
97 | vt_type = g_type_register_static ( GTK_TYPE_TREE_VIEW, "VikTreeview", &vt_info, 0 ); | |
98 | } | |
99 | ||
100 | return vt_type; | |
101 | } | |
102 | ||
103 | static void treeview_class_init ( VikTreeviewClass *klass ) | |
104 | { | |
105 | /* Destructor */ | |
106 | GObjectClass *object_class; | |
107 | ||
108 | object_class = G_OBJECT_CLASS (klass); | |
109 | ||
110 | object_class->finalize = treeview_finalize; | |
111 | ||
112 | parent_class = g_type_class_peek_parent (klass); | |
113 | ||
114 | 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, | |
115 | gtk_marshal_VOID__POINTER_POINTER, G_TYPE_NONE, 2, GTK_TYPE_POINTER, G_TYPE_POINTER); | |
116 | /* VOID__UINT_POINTER: kinda hack-ish, but it works. */ | |
117 | ||
118 | 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, | |
119 | g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, GTK_TYPE_POINTER ); | |
120 | } | |
121 | ||
122 | static void treeview_edited_cb (GtkCellRendererText *cell, gchar *path_str, const gchar *new_name, VikTreeview *vt) | |
123 | { | |
124 | GtkTreeIter iter; | |
125 | ||
126 | /* get type and data */ | |
127 | vik_treeview_get_iter_from_path_str ( vt, &iter, path_str ); | |
128 | ||
129 | g_signal_emit ( G_OBJECT(vt), treeview_signals[VT_ITEM_EDITED_SIGNAL], 0, &iter, new_name ); | |
130 | } | |
131 | ||
132 | static void treeview_toggled_cb (GtkCellRendererToggle *cell, gchar *path_str, VikTreeview *vt) | |
133 | { | |
134 | GtkTreeIter iter; | |
135 | ||
136 | /* get type and data */ | |
137 | vik_treeview_get_iter_from_path_str ( vt, &iter, path_str ); | |
138 | ||
139 | g_signal_emit ( G_OBJECT(vt), | |
140 | treeview_signals[VT_ITEM_TOGGLED_SIGNAL], 0, &iter ); | |
141 | } | |
142 | ||
143 | VikTreeview *vik_treeview_new () | |
144 | { | |
145 | return VIK_TREEVIEW ( g_object_new ( VIK_TREEVIEW_TYPE, NULL ) ); | |
146 | } | |
147 | ||
148 | gint vik_treeview_item_get_type ( VikTreeview *vt, GtkTreeIter *iter ) | |
149 | { | |
150 | gint rv; | |
151 | TREEVIEW_GET ( vt->model, iter, TYPE_COLUMN, &rv ); | |
152 | return rv; | |
153 | } | |
154 | ||
155 | gint vik_treeview_item_get_data ( VikTreeview *vt, GtkTreeIter *iter ) | |
156 | { | |
157 | gint rv; | |
158 | TREEVIEW_GET ( vt->model, iter, ITEM_DATA_COLUMN, &rv ); | |
159 | return rv; | |
160 | } | |
161 | ||
162 | gpointer vik_treeview_item_get_pointer ( VikTreeview *vt, GtkTreeIter *iter ) | |
163 | { | |
164 | gpointer rv; | |
165 | TREEVIEW_GET ( vt->model, iter, ITEM_POINTER_COLUMN, &rv ); | |
166 | return rv; | |
167 | } | |
168 | ||
169 | void vik_treeview_item_set_pointer ( VikTreeview *vt, GtkTreeIter *iter, gpointer pointer ) | |
170 | { | |
171 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, ITEM_POINTER_COLUMN, pointer, -1 ); | |
172 | } | |
173 | ||
174 | gpointer vik_treeview_item_get_parent ( VikTreeview *vt, GtkTreeIter *iter ) | |
175 | { | |
176 | gpointer rv; | |
177 | TREEVIEW_GET ( vt->model, iter, ITEM_PARENT_COLUMN, &rv ); | |
178 | return rv; | |
179 | } | |
180 | ||
181 | gboolean vik_treeview_get_iter_from_path_str ( VikTreeview *vt, GtkTreeIter *iter, const gchar *path_str ) | |
182 | { | |
183 | return gtk_tree_model_get_iter_from_string ( GTK_TREE_MODEL(vt->model), iter, path_str ); | |
184 | } | |
185 | ||
186 | static void treeview_add_columns ( VikTreeview *vt ) | |
187 | { | |
188 | gint col_offset; | |
189 | GtkCellRenderer *renderer; | |
190 | GtkTreeViewColumn *column; | |
191 | ||
192 | /* Layer column */ | |
193 | renderer = gtk_cell_renderer_text_new (); | |
194 | g_signal_connect (renderer, "edited", | |
195 | G_CALLBACK (treeview_edited_cb), vt); | |
196 | ||
197 | g_object_set (G_OBJECT (renderer), "xalign", 0.0, NULL); | |
198 | ||
199 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
200 | -1, _("Layer Name"), | |
201 | renderer, "text", | |
202 | NAME_COLUMN, | |
203 | "editable", EDITABLE_COLUMN, | |
204 | NULL); | |
205 | ||
206 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); | |
207 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), | |
208 | GTK_TREE_VIEW_COLUMN_AUTOSIZE); | |
209 | gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE); | |
210 | ||
211 | /* Layer type */ | |
212 | renderer = gtk_cell_renderer_pixbuf_new (); | |
213 | ||
214 | g_object_set (G_OBJECT (renderer), "xalign", 0.5, NULL); | |
215 | ||
216 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
217 | -1, "", | |
218 | renderer, "pixbuf", | |
219 | ICON_COLUMN, | |
220 | NULL); | |
221 | ||
222 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); | |
223 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), | |
224 | GTK_TREE_VIEW_COLUMN_AUTOSIZE); | |
225 | ||
226 | /* Layer visible */ | |
227 | renderer = gtk_cell_renderer_toggle_new (); | |
228 | g_object_set (G_OBJECT (renderer), "xalign", 0.5, NULL); | |
229 | ||
230 | g_signal_connect (renderer, "toggled", G_CALLBACK (treeview_toggled_cb), vt); | |
231 | ||
232 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
233 | -1, "", | |
234 | renderer, | |
235 | "active", | |
236 | VISIBLE_COLUMN, | |
237 | "visible", | |
238 | HAS_VISIBLE_COLUMN, | |
239 | "activatable", | |
240 | HAS_VISIBLE_COLUMN, | |
241 | NULL); | |
242 | ||
243 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); | |
244 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), | |
245 | GTK_TREE_VIEW_COLUMN_AUTOSIZE); | |
246 | ||
247 | } | |
248 | ||
249 | static void select_cb(GtkTreeSelection *selection, gpointer data) | |
250 | { | |
251 | VikTreeview *vt = data; | |
252 | gint type; | |
253 | GtkTreeIter iter, parent; | |
254 | VikLayer *vl; | |
255 | VikWindow * vw; | |
256 | ||
257 | if (!gtk_tree_selection_get_selected(selection, NULL, &iter)) return; | |
258 | type = vik_treeview_item_get_type( vt, &iter); | |
259 | ||
260 | while ( type != VIK_TREEVIEW_TYPE_LAYER ) { | |
261 | if ( ! vik_treeview_item_get_parent_iter ( vt, &iter, &parent ) ) | |
262 | return; | |
263 | iter = parent; | |
264 | type = vik_treeview_item_get_type (vt, &iter ); | |
265 | } | |
266 | ||
267 | vl = VIK_LAYER( vik_treeview_item_get_pointer ( vt, &iter ) ); | |
268 | ||
269 | vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vl)); | |
270 | vik_window_selected_layer(vw, vl); | |
271 | } | |
272 | ||
273 | void treeview_init ( VikTreeview *vt ) | |
274 | { | |
275 | guint16 i; | |
276 | ||
277 | 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 )); | |
278 | ||
279 | /* create tree view */ | |
280 | gtk_tree_view_set_model ( GTK_TREE_VIEW(vt), vt->model ); | |
281 | treeview_add_columns ( vt ); | |
282 | g_object_unref (vt->model); | |
283 | ||
284 | gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (vt), TRUE); | |
285 | gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (vt)), | |
286 | GTK_SELECTION_SINGLE); | |
287 | ||
288 | /* Override treestore's dnd methods only; this is easier than deriving from GtkTreeStore. | |
289 | * The downside is that all treestores will have this behavior, so this needs to be | |
290 | * changed if we add more treeviews in the future. //Alex | |
291 | */ | |
292 | if (1) { | |
293 | GtkTreeDragSourceIface *isrc; | |
294 | GtkTreeDragDestIface *idest; | |
295 | ||
296 | isrc = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_SOURCE); | |
297 | isrc->drag_data_delete = treeview_drag_data_delete; | |
298 | ||
299 | idest = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_DEST); | |
300 | idest->drag_data_received = treeview_drag_data_received; | |
301 | } | |
302 | ||
303 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
304 | 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. */ | |
305 | ||
306 | gtk_tree_view_set_reorderable (GTK_TREE_VIEW(vt), TRUE); | |
307 | g_signal_connect(gtk_tree_view_get_selection (GTK_TREE_VIEW (vt)), "changed", | |
308 | G_CALLBACK(select_cb), vt); | |
309 | ||
310 | } | |
311 | ||
312 | gboolean vik_treeview_item_get_parent_iter ( VikTreeview *vt, GtkTreeIter *iter, GtkTreeIter *parent ) | |
313 | { | |
314 | return gtk_tree_model_iter_parent ( GTK_TREE_MODEL(vt->model), parent, iter ); | |
315 | } | |
316 | ||
317 | gboolean vik_treeview_move_item ( VikTreeview *vt, GtkTreeIter *iter, gboolean up ) | |
318 | { | |
319 | gint t = vik_treeview_item_get_type ( vt, iter ); | |
320 | if ( t == VIK_TREEVIEW_TYPE_LAYER ) | |
321 | { | |
322 | GtkTreeIter switch_iter; | |
323 | if (up) | |
324 | { | |
325 | /* iter to path to iter */ | |
326 | GtkTreePath *path = gtk_tree_model_get_path ( vt->model, iter ); | |
327 | if ( !gtk_tree_path_prev ( path ) || !gtk_tree_model_get_iter ( vt->model, &switch_iter, path ) ) | |
328 | { | |
329 | gtk_tree_path_free ( path ); | |
330 | return FALSE; | |
331 | } | |
332 | gtk_tree_path_free ( path ); | |
333 | } | |
334 | else | |
335 | { | |
336 | switch_iter = *iter; | |
337 | if ( !gtk_tree_model_iter_next ( vt->model, &switch_iter ) ) | |
338 | return FALSE; | |
339 | } | |
340 | gtk_tree_store_swap ( GTK_TREE_STORE(vt->model), iter, &switch_iter ); | |
341 | return TRUE; | |
342 | /* now, the easy part. actually switching them, not the GUI */ | |
343 | } /* if item is map */ | |
344 | return FALSE; | |
345 | } | |
346 | ||
347 | gboolean vik_treeview_get_iter_at_pos ( VikTreeview *vt, GtkTreeIter *iter, gint x, gint y ) | |
348 | { | |
349 | GtkTreePath *path; | |
350 | gtk_tree_view_get_path_at_pos ( GTK_TREE_VIEW(vt), x, y, &path, NULL, NULL, NULL ); | |
351 | if ( ! path ) | |
352 | return FALSE; | |
353 | ||
354 | gtk_tree_model_get_iter (GTK_TREE_MODEL(vt->model), iter, path); | |
355 | gtk_tree_path_free ( path ); | |
356 | return TRUE; | |
357 | } | |
358 | ||
359 | void vik_treeview_select_iter ( VikTreeview *vt, GtkTreeIter *iter ) | |
360 | { | |
361 | gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter ); | |
362 | } | |
363 | ||
364 | gboolean vik_treeview_get_selected_iter ( VikTreeview *vt, GtkTreeIter *iter ) | |
365 | { | |
366 | return gtk_tree_selection_get_selected ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), NULL, iter ); | |
367 | } | |
368 | ||
369 | void vik_treeview_item_delete ( VikTreeview *vt, GtkTreeIter *iter ) | |
370 | { | |
371 | gtk_tree_store_remove ( GTK_TREE_STORE(vt->model), iter ); | |
372 | } | |
373 | ||
374 | /* Treeview Reform Project */ | |
375 | ||
376 | void vik_treeview_item_set_name ( VikTreeview *vt, GtkTreeIter *iter, const gchar *to ) | |
377 | { | |
378 | g_return_if_fail ( iter != NULL && to != NULL ); | |
379 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, to, -1); | |
380 | } | |
381 | ||
382 | void vik_treeview_item_set_visible ( VikTreeview *vt, GtkTreeIter *iter, gboolean to ) | |
383 | { | |
384 | g_return_if_fail ( iter != NULL ); | |
385 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, VISIBLE_COLUMN, to, -1 ); | |
386 | } | |
387 | ||
388 | void vik_treeview_expand ( VikTreeview *vt, GtkTreeIter *iter ) | |
389 | { | |
390 | GtkTreePath *path; | |
391 | path = gtk_tree_model_get_path ( vt->model, iter ); | |
392 | gtk_tree_view_expand_row ( GTK_TREE_VIEW(vt), path, FALSE ); | |
393 | gtk_tree_path_free ( path ); | |
394 | } | |
395 | ||
396 | void vik_treeview_item_select ( VikTreeview *vt, GtkTreeIter *iter ) | |
397 | { | |
398 | gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter ); | |
399 | } | |
400 | ||
401 | void vik_treeview_add_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, | |
402 | gpointer item, gint data, gint icon_type ) | |
403 | { | |
404 | g_assert ( iter != NULL ); | |
405 | g_assert ( icon_type < VIK_LAYER_NUM_TYPES ); | |
406 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
407 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, | |
408 | TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, | |
409 | ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, TRUE, | |
410 | ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 ); | |
411 | } | |
412 | ||
413 | void vik_treeview_insert_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, | |
414 | gpointer item, gint data, gint icon_type, GtkTreeIter *sibling ) | |
415 | { | |
416 | g_assert ( iter != NULL ); | |
417 | g_assert ( icon_type < VIK_LAYER_NUM_TYPES ); | |
418 | if (sibling) { | |
419 | gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, sibling ); | |
420 | } else { | |
421 | gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
422 | } | |
423 | ||
424 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, | |
425 | TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, | |
426 | ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, TRUE, | |
427 | ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 ); | |
428 | } | |
429 | ||
430 | void vik_treeview_add_sublayer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item, | |
431 | gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable ) | |
432 | { | |
433 | g_assert ( iter != NULL ); | |
434 | ||
435 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
436 | 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 ); | |
437 | } | |
438 | ||
439 | ||
440 | #ifdef VIK_CONFIG_ALPHABETIZED_TRW | |
441 | ||
442 | void vik_treeview_sublayer_realphabetize ( VikTreeview *vt, GtkTreeIter *iter, const gchar *newname ) | |
443 | { | |
444 | GtkTreeIter search_iter, parent_iter; | |
445 | gchar *search_name; | |
446 | g_assert ( iter != NULL ); | |
447 | ||
448 | gtk_tree_model_iter_parent ( vt->model, &parent_iter, iter ); | |
449 | ||
450 | g_assert ( gtk_tree_model_iter_children ( vt->model, &search_iter, &parent_iter ) ); | |
451 | ||
452 | do { | |
453 | gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 ); | |
454 | if ( strcmp ( search_name, newname ) > 0 ) /* not >= or would trip on itself */ | |
455 | { | |
456 | gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, &search_iter ); | |
457 | return; | |
458 | } | |
459 | } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) ); | |
460 | ||
461 | gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, NULL ); | |
462 | } | |
463 | ||
464 | void vik_treeview_add_sublayer_alphabetized | |
465 | ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item, | |
466 | gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable ) | |
467 | { | |
468 | GtkTreeIter search_iter; | |
469 | gchar *search_name; | |
470 | g_assert ( iter != NULL ); | |
471 | ||
472 | if ( gtk_tree_model_iter_children ( vt->model, &search_iter, parent_iter ) ) | |
473 | { | |
474 | gboolean found_greater_string = FALSE; | |
475 | do { | |
476 | gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 ); | |
477 | if ( strcmp ( search_name, name ) >= 0 ) | |
478 | { | |
479 | gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, &search_iter ); | |
480 | found_greater_string = TRUE; | |
481 | break; | |
482 | } | |
483 | } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) ); | |
484 | ||
485 | if ( ! found_greater_string ) | |
486 | gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
487 | } | |
488 | else | |
489 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
490 | ||
491 | 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 ); | |
492 | } | |
493 | ||
494 | #endif | |
495 | ||
496 | static void treeview_finalize ( GObject *gob ) | |
497 | { | |
498 | VikTreeview *vt = VIK_TREEVIEW ( gob ); | |
499 | guint16 i; | |
500 | ||
501 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
502 | if ( vt->layer_type_icons[i] != NULL ) | |
503 | g_object_unref ( G_OBJECT(vt->layer_type_icons[i]) ); | |
504 | ||
505 | G_OBJECT_CLASS(parent_class)->finalize(gob); | |
506 | } | |
507 | ||
508 | static gboolean treeview_drag_data_received (GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data) | |
509 | { | |
510 | GtkTreeModel *tree_model; | |
511 | GtkTreeStore *tree_store; | |
512 | GtkTreeModel *src_model = NULL; | |
513 | GtkTreePath *src_path = NULL, *dest_cp = NULL; | |
514 | gboolean retval = FALSE; | |
515 | GtkTreeIter src_iter, root_iter, dest_iter, dest_parent; | |
516 | gint *i_src = NULL; | |
517 | VikTreeview *vt; | |
518 | VikLayer *vl; | |
519 | ||
520 | g_return_val_if_fail (GTK_IS_TREE_STORE (drag_dest), FALSE); | |
521 | ||
522 | tree_model = GTK_TREE_MODEL (drag_dest); | |
523 | tree_store = GTK_TREE_STORE (drag_dest); | |
524 | ||
525 | if (gtk_tree_get_row_drag_data (selection_data, &src_model, &src_path) && src_model == tree_model) { | |
526 | /* | |
527 | * Copy src_path to dest. There are two subcases here, depending on what | |
528 | * is being dragged. | |
529 | * | |
530 | * 1. src_path is a layer. In this case, interpret the drop | |
531 | * as a request to move the layer to a different aggregate layer. | |
532 | * If the destination is not an aggregate layer, use the first | |
533 | * ancestor that is. | |
534 | * | |
535 | * 2. src_path is a sublayer. In this case, find ancestors of | |
536 | * both source and destination nodes who are full layers, | |
537 | * and call the move method of that layer type. | |
538 | * | |
539 | */ | |
540 | if (!gtk_tree_model_get_iter (src_model, &src_iter, src_path)) { | |
541 | goto out; | |
542 | } | |
543 | if (!gtk_tree_path_compare(src_path, dest)) { | |
544 | goto out; | |
545 | } | |
546 | ||
547 | i_src = gtk_tree_path_get_indices (src_path); | |
548 | dest_cp = gtk_tree_path_copy (dest); | |
549 | ||
550 | gtk_tree_model_get_iter_first(tree_model, &root_iter); | |
551 | TREEVIEW_GET(tree_model, &root_iter, ITEM_POINTER_COLUMN, &vl); | |
552 | vt = vl->vt; | |
553 | ||
554 | ||
555 | if (gtk_tree_path_get_depth(dest_cp)>1) { /* can't be sibling of top layer */ | |
556 | VikLayer *vl_src, *vl_dest; | |
557 | ||
558 | /* Find the first ancestor that is a full layer, and store in dest_parent. | |
559 | * In addition, put in dest_iter where Gtk wants us to insert the dragged object. | |
560 | * (Note that this may end up being an invalid iter). | |
561 | */ | |
562 | do { | |
563 | gtk_tree_path_up(dest_cp); | |
564 | dest_iter = dest_parent; | |
565 | gtk_tree_model_get_iter (src_model, &dest_parent, dest_cp); | |
566 | } while (gtk_tree_path_get_depth(dest_cp)>1 && | |
567 | vik_treeview_item_get_type(vt, &dest_parent) != VIK_TREEVIEW_TYPE_LAYER); | |
568 | ||
569 | ||
570 | g_assert ( vik_treeview_item_get_parent(vt, &src_iter) ); | |
571 | vl_src = vik_treeview_item_get_parent(vt, &src_iter); | |
572 | vl_dest = vik_treeview_item_get_pointer(vt, &dest_parent); | |
573 | ||
574 | /* TODO: might want to allow different types, and let the clients handle how they want */ | |
575 | if (vl_src->type == vl_dest->type && vik_layer_get_interface(vl_dest->type)->drag_drop_request) { | |
576 | // g_print("moving an item from layer '%s' into layer '%s'\n", vl_src->name, vl_dest->name); | |
577 | vik_layer_get_interface(vl_dest->type)->drag_drop_request(vl_src, vl_dest, &src_iter, dest); | |
578 | } | |
579 | } | |
580 | } | |
581 | ||
582 | out: | |
583 | if (dest_cp) | |
584 | gtk_tree_path_free(dest_cp); | |
585 | if (src_path) | |
586 | gtk_tree_path_free (src_path); | |
587 | ||
588 | return retval; | |
589 | } | |
590 | ||
591 | /* | |
592 | * This may not be necessary. | |
593 | */ | |
594 | static gboolean treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path ) | |
595 | { | |
596 | gchar *s_dest = gtk_tree_path_to_string(path); | |
597 | g_print(_("delete data from %s\n"), s_dest); | |
598 | g_free(s_dest); | |
599 | return FALSE; | |
600 | } | |
601 |