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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 | #include <gtk/gtk.h> | |
23 | #include <string.h> | |
24 | ||
25 | #include "viking.h" | |
26 | #include "config.h" | |
27 | ||
28 | #define TREEVIEW_GET(model,iter,what,dest) gtk_tree_model_get(GTK_TREE_MODEL(model),(iter),(what),(dest),-1) | |
29 | ||
30 | enum { | |
31 | VT_ITEM_EDITED_SIGNAL, | |
32 | VT_ITEM_TOGGLED_SIGNAL, | |
33 | VT_LAST_SIGNAL | |
34 | }; | |
35 | ||
36 | static guint treeview_signals[VT_LAST_SIGNAL] = { 0, 0 }; | |
37 | ||
38 | static GObjectClass *parent_class; | |
39 | ||
40 | enum | |
41 | { | |
42 | NAME_COLUMN = 0, | |
43 | VISIBLE_COLUMN, | |
44 | ICON_COLUMN, | |
45 | /* invisible */ | |
46 | ||
47 | TYPE_COLUMN, | |
48 | ITEM_PARENT_COLUMN, | |
49 | ITEM_POINTER_COLUMN, | |
50 | ITEM_DATA_COLUMN, | |
51 | HAS_VISIBLE_COLUMN, | |
52 | EDITABLE_COLUMN, | |
53 | /* properties dialog, delete, rename, etc. */ | |
54 | NUM_COLUMNS | |
55 | }; | |
56 | ||
57 | struct _VikTreeview { | |
58 | GtkTreeView treeview; | |
59 | GtkTreeModel *model; | |
60 | ||
61 | GdkPixbuf *layer_type_icons[VIK_LAYER_NUM_TYPES]; | |
62 | }; | |
63 | ||
64 | /* TODO: find, make "static" and put up here all non-"a_" functions */ | |
65 | static void treeview_class_init ( VikTreeviewClass *klass ); | |
66 | static void treeview_init ( VikTreeview *vt ); | |
67 | static void treeview_finalize ( GObject *gob ); | |
68 | static void treeview_add_columns ( VikTreeview *vt ); | |
69 | ||
70 | static gboolean treeview_drag_data_received ( GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data ); | |
71 | static gboolean treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path ); | |
72 | ||
73 | GType vik_treeview_get_type (void) | |
74 | { | |
75 | static GType vt_type = 0; | |
76 | ||
77 | if (!vt_type) | |
78 | { | |
79 | static const GTypeInfo vt_info = | |
80 | { | |
81 | sizeof (VikTreeviewClass), | |
82 | NULL, /* base_init */ | |
83 | NULL, /* base_finalize */ | |
84 | (GClassInitFunc) treeview_class_init, | |
85 | NULL, /* class_finalize */ | |
86 | NULL, /* class_data */ | |
87 | sizeof (VikTreeview), | |
88 | 0, | |
89 | (GInstanceInitFunc) treeview_init, | |
90 | }; | |
91 | vt_type = g_type_register_static ( GTK_TYPE_TREE_VIEW, "VikTreeview", &vt_info, 0 ); | |
92 | } | |
93 | ||
94 | return vt_type; | |
95 | } | |
96 | ||
97 | static void treeview_class_init ( VikTreeviewClass *klass ) | |
98 | { | |
99 | /* Destructor */ | |
100 | GObjectClass *object_class; | |
101 | ||
102 | object_class = G_OBJECT_CLASS (klass); | |
103 | ||
104 | object_class->finalize = treeview_finalize; | |
105 | ||
106 | parent_class = g_type_class_peek_parent (klass); | |
107 | ||
108 | 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, | |
109 | gtk_marshal_VOID__POINTER_POINTER, G_TYPE_NONE, 2, GTK_TYPE_POINTER, G_TYPE_POINTER); | |
110 | /* VOID__UINT_POINTER: kinda hack-ish, but it works. */ | |
111 | ||
112 | 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, | |
113 | g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, GTK_TYPE_POINTER ); | |
114 | } | |
115 | ||
116 | static void treeview_edited_cb (GtkCellRendererText *cell, gchar *path_str, const gchar *new_name, VikTreeview *vt) | |
117 | { | |
118 | GtkTreeIter iter; | |
119 | ||
120 | /* get type and data */ | |
121 | vik_treeview_get_iter_from_path_str ( vt, &iter, path_str ); | |
122 | ||
123 | g_signal_emit ( G_OBJECT(vt), treeview_signals[VT_ITEM_EDITED_SIGNAL], 0, &iter, new_name ); | |
124 | } | |
125 | ||
126 | static void treeview_toggled_cb (GtkCellRendererToggle *cell, gchar *path_str, VikTreeview *vt) | |
127 | { | |
128 | GtkTreeIter iter; | |
129 | ||
130 | /* get type and data */ | |
131 | vik_treeview_get_iter_from_path_str ( vt, &iter, path_str ); | |
132 | ||
133 | g_signal_emit ( G_OBJECT(vt), | |
134 | treeview_signals[VT_ITEM_TOGGLED_SIGNAL], 0, &iter ); | |
135 | } | |
136 | ||
137 | VikTreeview *vik_treeview_new () | |
138 | { | |
139 | return VIK_TREEVIEW ( g_object_new ( VIK_TREEVIEW_TYPE, NULL ) ); | |
140 | } | |
141 | ||
142 | gint vik_treeview_item_get_type ( VikTreeview *vt, GtkTreeIter *iter ) | |
143 | { | |
144 | gint rv; | |
145 | TREEVIEW_GET ( vt->model, iter, TYPE_COLUMN, &rv ); | |
146 | return rv; | |
147 | } | |
148 | ||
149 | gint vik_treeview_item_get_data ( VikTreeview *vt, GtkTreeIter *iter ) | |
150 | { | |
151 | gint rv; | |
152 | TREEVIEW_GET ( vt->model, iter, ITEM_DATA_COLUMN, &rv ); | |
153 | return rv; | |
154 | } | |
155 | ||
156 | gpointer vik_treeview_item_get_pointer ( VikTreeview *vt, GtkTreeIter *iter ) | |
157 | { | |
158 | gpointer rv; | |
159 | TREEVIEW_GET ( vt->model, iter, ITEM_POINTER_COLUMN, &rv ); | |
160 | return rv; | |
161 | } | |
162 | ||
163 | void vik_treeview_item_set_pointer ( VikTreeview *vt, GtkTreeIter *iter, gpointer pointer ) | |
164 | { | |
165 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, ITEM_POINTER_COLUMN, pointer, -1 ); | |
166 | } | |
167 | ||
168 | gpointer vik_treeview_item_get_parent ( VikTreeview *vt, GtkTreeIter *iter ) | |
169 | { | |
170 | gpointer rv; | |
171 | TREEVIEW_GET ( vt->model, iter, ITEM_PARENT_COLUMN, &rv ); | |
172 | return rv; | |
173 | } | |
174 | ||
175 | gboolean vik_treeview_get_iter_from_path_str ( VikTreeview *vt, GtkTreeIter *iter, const gchar *path_str ) | |
176 | { | |
177 | return gtk_tree_model_get_iter_from_string ( GTK_TREE_MODEL(vt->model), iter, path_str ); | |
178 | } | |
179 | ||
180 | static void treeview_add_columns ( VikTreeview *vt ) | |
181 | { | |
182 | gint col_offset; | |
183 | GtkCellRenderer *renderer; | |
184 | GtkTreeViewColumn *column; | |
185 | ||
186 | renderer = gtk_cell_renderer_text_new (); | |
187 | g_signal_connect (renderer, "edited", | |
188 | G_CALLBACK (treeview_edited_cb), vt); | |
189 | ||
190 | g_object_set (G_OBJECT (renderer), "xalign", 0.0, NULL); | |
191 | ||
192 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
193 | -1, "Layer Name", | |
194 | renderer, "text", | |
195 | NAME_COLUMN, | |
196 | "editable", EDITABLE_COLUMN, | |
197 | NULL); | |
198 | ||
199 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); | |
200 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), | |
201 | GTK_TREE_VIEW_COLUMN_FIXED); | |
202 | gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 100); | |
203 | gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE); | |
204 | gtk_tree_view_column_set_resizable (GTK_TREE_VIEW_COLUMN (column), TRUE); | |
205 | ||
206 | renderer = gtk_cell_renderer_pixbuf_new (); | |
207 | ||
208 | g_object_set (G_OBJECT (renderer), "xalign", 0.0, NULL); | |
209 | ||
210 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
211 | -1, "Type", | |
212 | renderer, "pixbuf", | |
213 | ICON_COLUMN, | |
214 | NULL); | |
215 | ||
216 | ||
217 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); | |
218 | gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 33); | |
219 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), | |
220 | GTK_TREE_VIEW_COLUMN_FIXED); | |
221 | gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE); | |
222 | ||
223 | ||
224 | renderer = gtk_cell_renderer_toggle_new (); | |
225 | g_object_set (G_OBJECT (renderer), "xalign", 0.0, NULL); | |
226 | ||
227 | g_signal_connect (renderer, "toggled", G_CALLBACK (treeview_toggled_cb), vt); | |
228 | ||
229 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
230 | -1, "Visible", | |
231 | renderer, | |
232 | "active", | |
233 | VISIBLE_COLUMN, | |
234 | "visible", | |
235 | HAS_VISIBLE_COLUMN, | |
236 | "activatable", | |
237 | HAS_VISIBLE_COLUMN, | |
238 | NULL); | |
239 | ||
240 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); | |
241 | gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 40); | |
242 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), | |
243 | GTK_TREE_VIEW_COLUMN_FIXED); | |
244 | gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE); | |
245 | ||
246 | } | |
247 | ||
248 | static void select_cb(GtkTreeSelection *selection, gpointer data) | |
249 | { | |
250 | VikTreeview *vt = data; | |
251 | gint type; | |
252 | GtkTreeIter iter, parent; | |
253 | VikLayer *vl; | |
254 | VikWindow * vw; | |
255 | ||
256 | if (!gtk_tree_selection_get_selected(selection, NULL, &iter)) return; | |
257 | type = vik_treeview_item_get_type( vt, &iter); | |
258 | ||
259 | while ( type != VIK_TREEVIEW_TYPE_LAYER ) { | |
260 | if ( ! vik_treeview_item_get_parent_iter ( vt, &iter, &parent ) ) | |
261 | return; | |
262 | iter = parent; | |
263 | type = vik_treeview_item_get_type (vt, &iter ); | |
264 | } | |
265 | ||
266 | vl = VIK_LAYER( vik_treeview_item_get_pointer ( vt, &iter ) ); | |
267 | ||
268 | vw = VIK_GTK_WINDOW_FROM_LAYER(vl); | |
269 | vik_window_selected_layer(vw, vl); | |
270 | } | |
271 | ||
272 | void treeview_init ( VikTreeview *vt ) | |
273 | { | |
274 | guint16 i; | |
275 | ||
276 | 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 )); | |
277 | ||
278 | /* create tree view */ | |
279 | gtk_tree_view_set_model ( GTK_TREE_VIEW(vt), vt->model ); | |
280 | treeview_add_columns ( vt ); | |
281 | g_object_unref (vt->model); | |
282 | ||
283 | gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (vt), TRUE); | |
284 | gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (vt)), | |
285 | GTK_SELECTION_SINGLE); | |
286 | ||
287 | /* Override treestore's dnd methods only; this is easier than deriving from GtkTreeStore. | |
288 | * The downside is that all treestores will have this behavior, so this needs to be | |
289 | * changed if we add more treeviews in the future. //Alex | |
290 | */ | |
291 | if (1) { | |
292 | GtkTreeDragSourceIface *isrc; | |
293 | GtkTreeDragDestIface *idest; | |
294 | ||
295 | isrc = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_SOURCE); | |
296 | isrc->drag_data_delete = treeview_drag_data_delete; | |
297 | ||
298 | idest = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_DEST); | |
299 | idest->drag_data_received = treeview_drag_data_received; | |
300 | } | |
301 | ||
302 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
303 | 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. */ | |
304 | ||
305 | gtk_tree_view_set_reorderable (GTK_TREE_VIEW(vt), TRUE); | |
306 | g_signal_connect(gtk_tree_view_get_selection (GTK_TREE_VIEW (vt)), "changed", | |
307 | G_CALLBACK(select_cb), vt); | |
308 | ||
309 | } | |
310 | ||
311 | gboolean vik_treeview_item_get_parent_iter ( VikTreeview *vt, GtkTreeIter *iter, GtkTreeIter *parent ) | |
312 | { | |
313 | return gtk_tree_model_iter_parent ( GTK_TREE_MODEL(vt->model), parent, iter ); | |
314 | } | |
315 | ||
316 | gboolean vik_treeview_move_item ( VikTreeview *vt, GtkTreeIter *iter, gboolean up ) | |
317 | { | |
318 | gint t = vik_treeview_item_get_type ( vt, iter ); | |
319 | if ( t == VIK_TREEVIEW_TYPE_LAYER ) | |
320 | { | |
321 | GtkTreeIter switch_iter; | |
322 | if (up) | |
323 | { | |
324 | /* iter to path to iter */ | |
325 | GtkTreePath *path = gtk_tree_model_get_path ( vt->model, iter ); | |
326 | if ( !gtk_tree_path_prev ( path ) || !gtk_tree_model_get_iter ( vt->model, &switch_iter, path ) ) | |
327 | { | |
328 | gtk_tree_path_free ( path ); | |
329 | return FALSE; | |
330 | } | |
331 | gtk_tree_path_free ( path ); | |
332 | } | |
333 | else | |
334 | { | |
335 | switch_iter = *iter; | |
336 | if ( !gtk_tree_model_iter_next ( vt->model, &switch_iter ) ) | |
337 | return FALSE; | |
338 | } | |
339 | gtk_tree_store_swap ( GTK_TREE_STORE(vt->model), iter, &switch_iter ); | |
340 | return TRUE; | |
341 | /* now, the easy part. actually switching them, not the GUI */ | |
342 | } /* if item is map */ | |
343 | return FALSE; | |
344 | } | |
345 | ||
346 | gboolean vik_treeview_get_iter_at_pos ( VikTreeview *vt, GtkTreeIter *iter, gint x, gint y ) | |
347 | { | |
348 | GtkTreePath *path; | |
349 | gtk_tree_view_get_path_at_pos ( GTK_TREE_VIEW(vt), x, y, &path, NULL, NULL, NULL ); | |
350 | if ( ! path ) | |
351 | return FALSE; | |
352 | ||
353 | gtk_tree_model_get_iter (GTK_TREE_MODEL(vt->model), iter, path); | |
354 | gtk_tree_path_free ( path ); | |
355 | return TRUE; | |
356 | } | |
357 | ||
358 | void vik_treeview_select_iter ( VikTreeview *vt, GtkTreeIter *iter ) | |
359 | { | |
360 | gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter ); | |
361 | } | |
362 | ||
363 | gboolean vik_treeview_get_selected_iter ( VikTreeview *vt, GtkTreeIter *iter ) | |
364 | { | |
365 | return gtk_tree_selection_get_selected ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), NULL, iter ); | |
366 | } | |
367 | ||
368 | void vik_treeview_item_delete ( VikTreeview *vt, GtkTreeIter *iter ) | |
369 | { | |
370 | gtk_tree_store_remove ( GTK_TREE_STORE(vt->model), iter ); | |
371 | } | |
372 | ||
373 | /* Treeview Reform Project */ | |
374 | ||
375 | void vik_treeview_item_set_name ( VikTreeview *vt, GtkTreeIter *iter, const gchar *to ) | |
376 | { | |
377 | g_return_if_fail ( iter != NULL && to != NULL ); | |
378 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, to, -1); | |
379 | } | |
380 | ||
381 | void vik_treeview_item_set_visible ( VikTreeview *vt, GtkTreeIter *iter, gboolean to ) | |
382 | { | |
383 | g_return_if_fail ( iter != NULL ); | |
384 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, VISIBLE_COLUMN, to, -1 ); | |
385 | } | |
386 | ||
387 | void vik_treeview_expand ( VikTreeview *vt, GtkTreeIter *iter ) | |
388 | { | |
389 | GtkTreePath *path; | |
390 | path = gtk_tree_model_get_path ( vt->model, iter ); | |
391 | gtk_tree_view_expand_row ( GTK_TREE_VIEW(vt), path, FALSE ); | |
392 | gtk_tree_path_free ( path ); | |
393 | } | |
394 | ||
395 | void vik_treeview_item_select ( VikTreeview *vt, GtkTreeIter *iter ) | |
396 | { | |
397 | gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter ); | |
398 | } | |
399 | ||
400 | void vik_treeview_add_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, | |
401 | gpointer item, gint data, gint icon_type ) | |
402 | { | |
403 | g_assert ( iter != NULL ); | |
404 | g_assert ( icon_type < VIK_LAYER_NUM_TYPES ); | |
405 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
406 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, | |
407 | TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, | |
408 | ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, TRUE, | |
409 | ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 ); | |
410 | } | |
411 | ||
412 | void vik_treeview_insert_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, | |
413 | gpointer item, gint data, gint icon_type, GtkTreeIter *sibling ) | |
414 | { | |
415 | g_assert ( iter != NULL ); | |
416 | g_assert ( icon_type < VIK_LAYER_NUM_TYPES ); | |
417 | if (sibling) { | |
418 | gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, sibling ); | |
419 | } else { | |
420 | gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
421 | } | |
422 | ||
423 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, | |
424 | TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, | |
425 | ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, TRUE, | |
426 | ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 ); | |
427 | } | |
428 | ||
429 | void vik_treeview_add_sublayer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item, | |
430 | gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable ) | |
431 | { | |
432 | g_assert ( iter != NULL ); | |
433 | ||
434 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
435 | 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 ); | |
436 | } | |
437 | ||
438 | ||
439 | #ifdef VIK_CONFIG_ALPHABETIZED_TRW | |
440 | ||
441 | void vik_treeview_sublayer_realphabetize ( VikTreeview *vt, GtkTreeIter *iter, const gchar *newname ) | |
442 | { | |
443 | GtkTreeIter search_iter, parent_iter; | |
444 | gchar *search_name; | |
445 | g_assert ( iter != NULL ); | |
446 | ||
447 | gtk_tree_model_iter_parent ( vt->model, &parent_iter, iter ); | |
448 | ||
449 | g_assert ( gtk_tree_model_iter_children ( vt->model, &search_iter, &parent_iter ) ); | |
450 | ||
451 | do { | |
452 | gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 ); | |
453 | if ( strcmp ( search_name, newname ) > 0 ) /* not >= or would trip on itself */ | |
454 | { | |
455 | gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, &search_iter ); | |
456 | return; | |
457 | } | |
458 | } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) ); | |
459 | ||
460 | gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, NULL ); | |
461 | } | |
462 | ||
463 | void vik_treeview_add_sublayer_alphabetized | |
464 | ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item, | |
465 | gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable ) | |
466 | { | |
467 | GtkTreeIter search_iter; | |
468 | gchar *search_name; | |
469 | g_assert ( iter != NULL ); | |
470 | ||
471 | if ( gtk_tree_model_iter_children ( vt->model, &search_iter, parent_iter ) ) | |
472 | { | |
473 | gboolean found_greater_string = FALSE; | |
474 | do { | |
475 | gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 ); | |
476 | if ( strcmp ( search_name, name ) >= 0 ) | |
477 | { | |
478 | gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, &search_iter ); | |
479 | found_greater_string = TRUE; | |
480 | break; | |
481 | } | |
482 | } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) ); | |
483 | ||
484 | if ( ! found_greater_string ) | |
485 | gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
486 | } | |
487 | else | |
488 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
489 | ||
490 | 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 ); | |
491 | } | |
492 | ||
493 | #endif | |
494 | ||
495 | static void treeview_finalize ( GObject *gob ) | |
496 | { | |
497 | VikTreeview *vt = VIK_TREEVIEW ( gob ); | |
498 | guint16 i; | |
499 | ||
500 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
501 | if ( vt->layer_type_icons[i] != NULL ) | |
502 | g_object_unref ( G_OBJECT(vt->layer_type_icons[i]) ); | |
503 | ||
504 | G_OBJECT_CLASS(parent_class)->finalize(gob); | |
505 | } | |
506 | ||
507 | static gboolean treeview_drag_data_received (GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data) | |
508 | { | |
509 | GtkTreeModel *tree_model; | |
510 | GtkTreeStore *tree_store; | |
511 | GtkTreeModel *src_model = NULL; | |
512 | GtkTreePath *src_path = NULL, *dest_cp = NULL; | |
513 | gboolean retval = FALSE; | |
514 | GtkTreeIter src_iter, root_iter, dest_iter, dest_parent; | |
515 | guint *i_src = NULL; | |
516 | VikTreeview *vt; | |
517 | VikLayer *vl; | |
518 | ||
519 | g_return_val_if_fail (GTK_IS_TREE_STORE (drag_dest), FALSE); | |
520 | ||
521 | tree_model = GTK_TREE_MODEL (drag_dest); | |
522 | tree_store = GTK_TREE_STORE (drag_dest); | |
523 | ||
524 | if (gtk_tree_get_row_drag_data (selection_data, &src_model, &src_path) && src_model == tree_model) { | |
525 | /* | |
526 | * Copy src_path to dest. There are two subcases here, depending on what | |
527 | * is being dragged. | |
528 | * | |
529 | * 1. src_path is a layer. In this case, interpret the drop | |
530 | * as a request to move the layer to a different aggregate layer. | |
531 | * If the destination is not an aggregate layer, use the first | |
532 | * ancestor that is. | |
533 | * | |
534 | * 2. src_path is a sublayer. In this case, find ancestors of | |
535 | * both source and destination nodes who are full layers, | |
536 | * and call the move method of that layer type. | |
537 | * | |
538 | */ | |
539 | if (!gtk_tree_model_get_iter (src_model, &src_iter, src_path)) { | |
540 | goto out; | |
541 | } | |
542 | if (!gtk_tree_path_compare(src_path, dest)) { | |
543 | goto out; | |
544 | } | |
545 | ||
546 | i_src = gtk_tree_path_get_indices (src_path); | |
547 | dest_cp = gtk_tree_path_copy (dest); | |
548 | ||
549 | gtk_tree_model_get_iter_first(tree_model, &root_iter); | |
550 | TREEVIEW_GET(tree_model, &root_iter, ITEM_POINTER_COLUMN, &vl); | |
551 | vt = vl->vt; | |
552 | ||
553 | ||
554 | if (gtk_tree_path_get_depth(dest_cp)>1) { /* can't be sibling of top layer */ | |
555 | VikLayer *vl_src, *vl_dest; | |
556 | ||
557 | /* Find the first ancestor that is a full layer, and store in dest_parent. | |
558 | * In addition, put in dest_iter where Gtk wants us to insert the dragged object. | |
559 | * (Note that this may end up being an invalid iter). | |
560 | */ | |
561 | do { | |
562 | gtk_tree_path_up(dest_cp); | |
563 | dest_iter = dest_parent; | |
564 | gtk_tree_model_get_iter (src_model, &dest_parent, dest_cp); | |
565 | } while (gtk_tree_path_get_depth(dest_cp)>1 && | |
566 | vik_treeview_item_get_type(vt, &dest_parent) != VIK_TREEVIEW_TYPE_LAYER); | |
567 | ||
568 | ||
569 | g_assert ( vik_treeview_item_get_parent(vt, &src_iter) ); | |
570 | vl_src = vik_treeview_item_get_parent(vt, &src_iter); | |
571 | vl_dest = vik_treeview_item_get_pointer(vt, &dest_parent); | |
572 | ||
573 | /* TODO: might want to allow different types, and let the clients handle how they want */ | |
574 | if (vl_src->type == vl_dest->type && vik_layer_get_interface(vl_dest->type)->drag_drop_request) { | |
575 | // g_print("moving an item from layer '%s' into layer '%s'\n", vl_src->name, vl_dest->name); | |
576 | vik_layer_get_interface(vl_dest->type)->drag_drop_request(vl_src, vl_dest, &src_iter, dest); | |
577 | } | |
578 | } | |
579 | } | |
580 | ||
581 | out: | |
582 | if (dest_cp) | |
583 | gtk_tree_path_free(dest_cp); | |
584 | if (src_path) | |
585 | gtk_tree_path_free (src_path); | |
586 | ||
587 | return retval; | |
588 | } | |
589 | ||
590 | /* | |
591 | * This may not be necessary. | |
592 | */ | |
593 | static gboolean treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path ) | |
594 | { | |
595 | gchar *s_dest = gtk_tree_path_to_string(path); | |
596 | g_print("delete data from %s\n", s_dest); | |
597 | g_free(s_dest); | |
598 | return FALSE; | |
599 | } | |
600 |