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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 | ||
4c77d5e0 GB |
22 | #ifdef HAVE_CONFIG_H |
23 | #include "config.h" | |
24 | #endif | |
25 | ||
50a14534 | 26 | #include <gtk/gtk.h> |
4c77d5e0 GB |
27 | #include <glib/gi18n.h> |
28 | ||
50a14534 EB |
29 | #include <string.h> |
30 | ||
31 | #include "viking.h" | |
50a14534 EB |
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]; | |
e2ad36b5 QT |
68 | |
69 | gboolean was_a_toggle; | |
50a14534 EB |
70 | }; |
71 | ||
72 | /* TODO: find, make "static" and put up here all non-"a_" functions */ | |
73 | static void treeview_class_init ( VikTreeviewClass *klass ); | |
74 | static void treeview_init ( VikTreeview *vt ); | |
75 | static void treeview_finalize ( GObject *gob ); | |
76 | static void treeview_add_columns ( VikTreeview *vt ); | |
77 | ||
70a23263 AF |
78 | static gboolean treeview_drag_data_received ( GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data ); |
79 | static gboolean treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path ); | |
e4afc73a | 80 | |
50a14534 EB |
81 | GType vik_treeview_get_type (void) |
82 | { | |
83 | static GType vt_type = 0; | |
84 | ||
85 | if (!vt_type) | |
86 | { | |
87 | static const GTypeInfo vt_info = | |
88 | { | |
89 | sizeof (VikTreeviewClass), | |
90 | NULL, /* base_init */ | |
91 | NULL, /* base_finalize */ | |
92 | (GClassInitFunc) treeview_class_init, | |
93 | NULL, /* class_finalize */ | |
94 | NULL, /* class_data */ | |
95 | sizeof (VikTreeview), | |
96 | 0, | |
97 | (GInstanceInitFunc) treeview_init, | |
98 | }; | |
99 | vt_type = g_type_register_static ( GTK_TYPE_TREE_VIEW, "VikTreeview", &vt_info, 0 ); | |
100 | } | |
101 | ||
102 | return vt_type; | |
103 | } | |
104 | ||
105 | static void treeview_class_init ( VikTreeviewClass *klass ) | |
106 | { | |
107 | /* Destructor */ | |
108 | GObjectClass *object_class; | |
109 | ||
110 | object_class = G_OBJECT_CLASS (klass); | |
111 | ||
112 | object_class->finalize = treeview_finalize; | |
113 | ||
114 | parent_class = g_type_class_peek_parent (klass); | |
115 | ||
116 | 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, | |
752f500c | 117 | gtk_marshal_VOID__POINTER_POINTER, G_TYPE_NONE, 2, GTK_TYPE_POINTER, G_TYPE_POINTER); |
50a14534 EB |
118 | /* VOID__UINT_POINTER: kinda hack-ish, but it works. */ |
119 | ||
120 | 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, | |
752f500c | 121 | g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, GTK_TYPE_POINTER ); |
50a14534 EB |
122 | } |
123 | ||
124 | static void treeview_edited_cb (GtkCellRendererText *cell, gchar *path_str, const gchar *new_name, VikTreeview *vt) | |
125 | { | |
126 | GtkTreeIter iter; | |
127 | ||
128 | /* get type and data */ | |
129 | vik_treeview_get_iter_from_path_str ( vt, &iter, path_str ); | |
130 | ||
752f500c | 131 | g_signal_emit ( G_OBJECT(vt), treeview_signals[VT_ITEM_EDITED_SIGNAL], 0, &iter, new_name ); |
50a14534 EB |
132 | } |
133 | ||
134 | static void treeview_toggled_cb (GtkCellRendererToggle *cell, gchar *path_str, VikTreeview *vt) | |
135 | { | |
136 | GtkTreeIter iter; | |
137 | ||
138 | /* get type and data */ | |
139 | vik_treeview_get_iter_from_path_str ( vt, &iter, path_str ); | |
e2ad36b5 | 140 | vt->was_a_toggle = TRUE; |
50a14534 EB |
141 | |
142 | g_signal_emit ( G_OBJECT(vt), | |
143 | treeview_signals[VT_ITEM_TOGGLED_SIGNAL], 0, &iter ); | |
144 | } | |
145 | ||
146 | VikTreeview *vik_treeview_new () | |
147 | { | |
148 | return VIK_TREEVIEW ( g_object_new ( VIK_TREEVIEW_TYPE, NULL ) ); | |
149 | } | |
150 | ||
151 | gint vik_treeview_item_get_type ( VikTreeview *vt, GtkTreeIter *iter ) | |
152 | { | |
153 | gint rv; | |
154 | TREEVIEW_GET ( vt->model, iter, TYPE_COLUMN, &rv ); | |
155 | return rv; | |
156 | } | |
157 | ||
158 | gint vik_treeview_item_get_data ( VikTreeview *vt, GtkTreeIter *iter ) | |
159 | { | |
160 | gint rv; | |
161 | TREEVIEW_GET ( vt->model, iter, ITEM_DATA_COLUMN, &rv ); | |
162 | return rv; | |
163 | } | |
164 | ||
165 | gpointer vik_treeview_item_get_pointer ( VikTreeview *vt, GtkTreeIter *iter ) | |
166 | { | |
167 | gpointer rv; | |
168 | TREEVIEW_GET ( vt->model, iter, ITEM_POINTER_COLUMN, &rv ); | |
169 | return rv; | |
170 | } | |
171 | ||
172 | void vik_treeview_item_set_pointer ( VikTreeview *vt, GtkTreeIter *iter, gpointer pointer ) | |
173 | { | |
174 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, ITEM_POINTER_COLUMN, pointer, -1 ); | |
175 | } | |
176 | ||
177 | gpointer vik_treeview_item_get_parent ( VikTreeview *vt, GtkTreeIter *iter ) | |
178 | { | |
179 | gpointer rv; | |
180 | TREEVIEW_GET ( vt->model, iter, ITEM_PARENT_COLUMN, &rv ); | |
181 | return rv; | |
182 | } | |
183 | ||
e673b75f | 184 | gboolean vik_treeview_get_iter_from_path_str ( VikTreeview *vt, GtkTreeIter *iter, const gchar *path_str ) |
50a14534 | 185 | { |
e673b75f | 186 | return gtk_tree_model_get_iter_from_string ( GTK_TREE_MODEL(vt->model), iter, path_str ); |
50a14534 EB |
187 | } |
188 | ||
189 | static void treeview_add_columns ( VikTreeview *vt ) | |
190 | { | |
191 | gint col_offset; | |
192 | GtkCellRenderer *renderer; | |
193 | GtkTreeViewColumn *column; | |
194 | ||
181f5d0c | 195 | /* Layer column */ |
50a14534 EB |
196 | renderer = gtk_cell_renderer_text_new (); |
197 | g_signal_connect (renderer, "edited", | |
198 | G_CALLBACK (treeview_edited_cb), vt); | |
199 | ||
200 | g_object_set (G_OBJECT (renderer), "xalign", 0.0, NULL); | |
201 | ||
202 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
4c77d5e0 | 203 | -1, _("Layer Name"), |
50a14534 EB |
204 | renderer, "text", |
205 | NAME_COLUMN, | |
206 | "editable", EDITABLE_COLUMN, | |
207 | NULL); | |
208 | ||
209 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); | |
210 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), | |
181f5d0c MA |
211 | GTK_TREE_VIEW_COLUMN_AUTOSIZE); |
212 | gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE); | |
50a14534 | 213 | |
181f5d0c | 214 | /* Layer type */ |
50a14534 EB |
215 | renderer = gtk_cell_renderer_pixbuf_new (); |
216 | ||
3570ad57 | 217 | g_object_set (G_OBJECT (renderer), "xalign", 0.5, NULL); |
50a14534 EB |
218 | |
219 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
3570ad57 | 220 | -1, "", |
50a14534 EB |
221 | renderer, "pixbuf", |
222 | ICON_COLUMN, | |
223 | NULL); | |
224 | ||
50a14534 | 225 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); |
50a14534 | 226 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), |
181f5d0c | 227 | GTK_TREE_VIEW_COLUMN_AUTOSIZE); |
50a14534 | 228 | |
181f5d0c | 229 | /* Layer visible */ |
50a14534 | 230 | renderer = gtk_cell_renderer_toggle_new (); |
3570ad57 | 231 | g_object_set (G_OBJECT (renderer), "xalign", 0.5, NULL); |
50a14534 EB |
232 | |
233 | g_signal_connect (renderer, "toggled", G_CALLBACK (treeview_toggled_cb), vt); | |
234 | ||
235 | col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (vt), | |
3570ad57 | 236 | -1, "", |
50a14534 EB |
237 | renderer, |
238 | "active", | |
239 | VISIBLE_COLUMN, | |
240 | "visible", | |
241 | HAS_VISIBLE_COLUMN, | |
242 | "activatable", | |
243 | HAS_VISIBLE_COLUMN, | |
244 | NULL); | |
245 | ||
246 | column = gtk_tree_view_get_column (GTK_TREE_VIEW (vt), col_offset - 1); | |
50a14534 | 247 | gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column), |
181f5d0c | 248 | GTK_TREE_VIEW_COLUMN_AUTOSIZE); |
50a14534 EB |
249 | |
250 | } | |
251 | ||
79845167 QT |
252 | static void select_cb(GtkTreeSelection *selection, gpointer data) |
253 | { | |
254 | VikTreeview *vt = data; | |
255 | gint type; | |
256 | GtkTreeIter iter, parent; | |
257 | VikLayer *vl; | |
258 | VikWindow * vw; | |
259 | ||
260 | if (!gtk_tree_selection_get_selected(selection, NULL, &iter)) return; | |
261 | type = vik_treeview_item_get_type( vt, &iter); | |
262 | ||
263 | while ( type != VIK_TREEVIEW_TYPE_LAYER ) { | |
264 | if ( ! vik_treeview_item_get_parent_iter ( vt, &iter, &parent ) ) | |
265 | return; | |
266 | iter = parent; | |
267 | type = vik_treeview_item_get_type (vt, &iter ); | |
268 | } | |
269 | ||
270 | vl = VIK_LAYER( vik_treeview_item_get_pointer ( vt, &iter ) ); | |
271 | ||
8ece78c0 | 272 | vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vl)); |
79845167 QT |
273 | vik_window_selected_layer(vw, vl); |
274 | } | |
275 | ||
e2ad36b5 QT |
276 | static gboolean treeview_selection_filter(GtkTreeSelection *selection, GtkTreeModel *model, GtkTreePath *path, gboolean path_currently_selected, gpointer data) |
277 | { | |
278 | VikTreeview *vt = data; | |
279 | ||
280 | if (vt->was_a_toggle) { | |
281 | vt->was_a_toggle = FALSE; | |
282 | return FALSE; | |
283 | } | |
284 | ||
285 | return TRUE; | |
286 | } | |
287 | ||
50a14534 EB |
288 | void treeview_init ( VikTreeview *vt ) |
289 | { | |
290 | guint16 i; | |
291 | ||
e2ad36b5 QT |
292 | vt->was_a_toggle = FALSE; |
293 | ||
50a14534 EB |
294 | 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 )); |
295 | ||
296 | /* create tree view */ | |
e2ad36b5 QT |
297 | gtk_tree_selection_set_select_function(gtk_tree_view_get_selection (GTK_TREE_VIEW(vt)), treeview_selection_filter, vt, NULL); |
298 | ||
50a14534 EB |
299 | gtk_tree_view_set_model ( GTK_TREE_VIEW(vt), vt->model ); |
300 | treeview_add_columns ( vt ); | |
301 | g_object_unref (vt->model); | |
302 | ||
303 | gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (vt), TRUE); | |
304 | gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (vt)), | |
305 | GTK_SELECTION_SINGLE); | |
306 | ||
e4afc73a EB |
307 | /* Override treestore's dnd methods only; this is easier than deriving from GtkTreeStore. |
308 | * The downside is that all treestores will have this behavior, so this needs to be | |
309 | * changed if we add more treeviews in the future. //Alex | |
310 | */ | |
311 | if (1) { | |
312 | GtkTreeDragSourceIface *isrc; | |
313 | GtkTreeDragDestIface *idest; | |
314 | ||
315 | isrc = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_SOURCE); | |
70a23263 | 316 | isrc->drag_data_delete = treeview_drag_data_delete; |
e4afc73a EB |
317 | |
318 | idest = g_type_interface_peek (g_type_class_peek(G_OBJECT_TYPE(vt->model)), GTK_TYPE_TREE_DRAG_DEST); | |
70a23263 | 319 | idest->drag_data_received = treeview_drag_data_received; |
e4afc73a EB |
320 | } |
321 | ||
50a14534 EB |
322 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) |
323 | 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. */ | |
324 | ||
e4afc73a | 325 | gtk_tree_view_set_reorderable (GTK_TREE_VIEW(vt), TRUE); |
79845167 QT |
326 | g_signal_connect(gtk_tree_view_get_selection (GTK_TREE_VIEW (vt)), "changed", |
327 | G_CALLBACK(select_cb), vt); | |
e4afc73a | 328 | |
50a14534 EB |
329 | } |
330 | ||
331 | gboolean vik_treeview_item_get_parent_iter ( VikTreeview *vt, GtkTreeIter *iter, GtkTreeIter *parent ) | |
332 | { | |
333 | return gtk_tree_model_iter_parent ( GTK_TREE_MODEL(vt->model), parent, iter ); | |
334 | } | |
335 | ||
336 | gboolean vik_treeview_move_item ( VikTreeview *vt, GtkTreeIter *iter, gboolean up ) | |
337 | { | |
338 | gint t = vik_treeview_item_get_type ( vt, iter ); | |
339 | if ( t == VIK_TREEVIEW_TYPE_LAYER ) | |
340 | { | |
341 | GtkTreeIter switch_iter; | |
342 | if (up) | |
343 | { | |
344 | /* iter to path to iter */ | |
345 | GtkTreePath *path = gtk_tree_model_get_path ( vt->model, iter ); | |
346 | if ( !gtk_tree_path_prev ( path ) || !gtk_tree_model_get_iter ( vt->model, &switch_iter, path ) ) | |
347 | { | |
348 | gtk_tree_path_free ( path ); | |
349 | return FALSE; | |
350 | } | |
351 | gtk_tree_path_free ( path ); | |
352 | } | |
353 | else | |
354 | { | |
355 | switch_iter = *iter; | |
356 | if ( !gtk_tree_model_iter_next ( vt->model, &switch_iter ) ) | |
357 | return FALSE; | |
358 | } | |
359 | gtk_tree_store_swap ( GTK_TREE_STORE(vt->model), iter, &switch_iter ); | |
360 | return TRUE; | |
361 | /* now, the easy part. actually switching them, not the GUI */ | |
362 | } /* if item is map */ | |
363 | return FALSE; | |
364 | } | |
365 | ||
366 | gboolean vik_treeview_get_iter_at_pos ( VikTreeview *vt, GtkTreeIter *iter, gint x, gint y ) | |
367 | { | |
368 | GtkTreePath *path; | |
369 | gtk_tree_view_get_path_at_pos ( GTK_TREE_VIEW(vt), x, y, &path, NULL, NULL, NULL ); | |
370 | if ( ! path ) | |
371 | return FALSE; | |
372 | ||
373 | gtk_tree_model_get_iter (GTK_TREE_MODEL(vt->model), iter, path); | |
374 | gtk_tree_path_free ( path ); | |
375 | return TRUE; | |
376 | } | |
377 | ||
378 | void vik_treeview_select_iter ( VikTreeview *vt, GtkTreeIter *iter ) | |
379 | { | |
380 | gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter ); | |
381 | } | |
382 | ||
383 | gboolean vik_treeview_get_selected_iter ( VikTreeview *vt, GtkTreeIter *iter ) | |
384 | { | |
385 | return gtk_tree_selection_get_selected ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), NULL, iter ); | |
386 | } | |
387 | ||
388 | void vik_treeview_item_delete ( VikTreeview *vt, GtkTreeIter *iter ) | |
389 | { | |
390 | gtk_tree_store_remove ( GTK_TREE_STORE(vt->model), iter ); | |
391 | } | |
392 | ||
393 | /* Treeview Reform Project */ | |
394 | ||
395 | void vik_treeview_item_set_name ( VikTreeview *vt, GtkTreeIter *iter, const gchar *to ) | |
396 | { | |
397 | g_return_if_fail ( iter != NULL && to != NULL ); | |
398 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, to, -1); | |
399 | } | |
400 | ||
401 | void vik_treeview_item_set_visible ( VikTreeview *vt, GtkTreeIter *iter, gboolean to ) | |
402 | { | |
403 | g_return_if_fail ( iter != NULL ); | |
404 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, VISIBLE_COLUMN, to, -1 ); | |
405 | } | |
406 | ||
407 | void vik_treeview_expand ( VikTreeview *vt, GtkTreeIter *iter ) | |
408 | { | |
409 | GtkTreePath *path; | |
410 | path = gtk_tree_model_get_path ( vt->model, iter ); | |
411 | gtk_tree_view_expand_row ( GTK_TREE_VIEW(vt), path, FALSE ); | |
412 | gtk_tree_path_free ( path ); | |
413 | } | |
414 | ||
415 | void vik_treeview_item_select ( VikTreeview *vt, GtkTreeIter *iter ) | |
416 | { | |
417 | gtk_tree_selection_select_iter ( gtk_tree_view_get_selection ( GTK_TREE_VIEW ( vt ) ), iter ); | |
418 | } | |
419 | ||
420 | void vik_treeview_add_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, | |
421 | gpointer item, gint data, gint icon_type ) | |
422 | { | |
423 | g_assert ( iter != NULL ); | |
424 | g_assert ( icon_type < VIK_LAYER_NUM_TYPES ); | |
425 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
426 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, | |
427 | TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, | |
428 | ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, TRUE, | |
429 | ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 ); | |
430 | } | |
431 | ||
432 | void vik_treeview_insert_layer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, | |
433 | gpointer item, gint data, gint icon_type, GtkTreeIter *sibling ) | |
434 | { | |
435 | g_assert ( iter != NULL ); | |
436 | g_assert ( icon_type < VIK_LAYER_NUM_TYPES ); | |
e673b75f AF |
437 | if (sibling) { |
438 | gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, sibling ); | |
439 | } else { | |
440 | gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
441 | } | |
442 | ||
50a14534 EB |
443 | gtk_tree_store_set ( GTK_TREE_STORE(vt->model), iter, NAME_COLUMN, name, VISIBLE_COLUMN, TRUE, |
444 | TYPE_COLUMN, VIK_TREEVIEW_TYPE_LAYER, ITEM_PARENT_COLUMN, parent, ITEM_POINTER_COLUMN, item, | |
445 | ITEM_DATA_COLUMN, data, HAS_VISIBLE_COLUMN, TRUE, EDITABLE_COLUMN, TRUE, | |
446 | ICON_COLUMN, icon_type >= 0 ? vt->layer_type_icons[icon_type] : NULL, -1 ); | |
447 | } | |
448 | ||
449 | void vik_treeview_add_sublayer ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item, | |
450 | gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable ) | |
451 | { | |
452 | g_assert ( iter != NULL ); | |
453 | ||
454 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
455 | 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 ); | |
456 | } | |
457 | ||
458 | ||
459 | #ifdef VIK_CONFIG_ALPHABETIZED_TRW | |
460 | ||
461 | void vik_treeview_sublayer_realphabetize ( VikTreeview *vt, GtkTreeIter *iter, const gchar *newname ) | |
462 | { | |
463 | GtkTreeIter search_iter, parent_iter; | |
e6869c62 | 464 | gchar *search_name = NULL; |
50a14534 EB |
465 | g_assert ( iter != NULL ); |
466 | ||
467 | gtk_tree_model_iter_parent ( vt->model, &parent_iter, iter ); | |
468 | ||
469 | g_assert ( gtk_tree_model_iter_children ( vt->model, &search_iter, &parent_iter ) ); | |
470 | ||
471 | do { | |
472 | gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 ); | |
473 | if ( strcmp ( search_name, newname ) > 0 ) /* not >= or would trip on itself */ | |
474 | { | |
475 | gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, &search_iter ); | |
e6869c62 GB |
476 | g_free (search_name); |
477 | search_name = NULL; | |
50a14534 EB |
478 | return; |
479 | } | |
e6869c62 GB |
480 | g_free (search_name); |
481 | search_name = NULL; | |
50a14534 EB |
482 | } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) ); |
483 | ||
484 | gtk_tree_store_move_before ( GTK_TREE_STORE(vt->model), iter, NULL ); | |
485 | } | |
486 | ||
487 | void vik_treeview_add_sublayer_alphabetized | |
488 | ( VikTreeview *vt, GtkTreeIter *parent_iter, GtkTreeIter *iter, const gchar *name, gpointer parent, gpointer item, | |
489 | gint data, GdkPixbuf *icon, gboolean has_visible, gboolean editable ) | |
490 | { | |
491 | GtkTreeIter search_iter; | |
e6869c62 | 492 | gchar *search_name = NULL; |
50a14534 EB |
493 | g_assert ( iter != NULL ); |
494 | ||
495 | if ( gtk_tree_model_iter_children ( vt->model, &search_iter, parent_iter ) ) | |
496 | { | |
497 | gboolean found_greater_string = FALSE; | |
498 | do { | |
499 | gtk_tree_model_get ( vt->model, &search_iter, NAME_COLUMN, &search_name, -1 ); | |
500 | if ( strcmp ( search_name, name ) >= 0 ) | |
501 | { | |
502 | gtk_tree_store_insert_before ( GTK_TREE_STORE(vt->model), iter, parent_iter, &search_iter ); | |
503 | found_greater_string = TRUE; | |
e6869c62 GB |
504 | g_free (search_name); |
505 | search_name = NULL; | |
50a14534 EB |
506 | break; |
507 | } | |
6278ccc6 | 508 | g_free (search_name); |
e6869c62 | 509 | search_name = NULL; |
50a14534 EB |
510 | } while ( gtk_tree_model_iter_next ( vt->model, &search_iter ) ); |
511 | ||
512 | if ( ! found_greater_string ) | |
513 | gtk_tree_store_append ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
514 | } | |
515 | else | |
516 | gtk_tree_store_prepend ( GTK_TREE_STORE(vt->model), iter, parent_iter ); | |
517 | ||
518 | 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 ); | |
519 | } | |
520 | ||
521 | #endif | |
522 | ||
523 | static void treeview_finalize ( GObject *gob ) | |
524 | { | |
525 | VikTreeview *vt = VIK_TREEVIEW ( gob ); | |
526 | guint16 i; | |
527 | ||
528 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
529 | if ( vt->layer_type_icons[i] != NULL ) | |
530 | g_object_unref ( G_OBJECT(vt->layer_type_icons[i]) ); | |
531 | ||
532 | G_OBJECT_CLASS(parent_class)->finalize(gob); | |
533 | } | |
e4afc73a | 534 | |
70a23263 | 535 | static gboolean treeview_drag_data_received (GtkTreeDragDest *drag_dest, GtkTreePath *dest, GtkSelectionData *selection_data) |
e4afc73a EB |
536 | { |
537 | GtkTreeModel *tree_model; | |
538 | GtkTreeStore *tree_store; | |
539 | GtkTreeModel *src_model = NULL; | |
540 | GtkTreePath *src_path = NULL, *dest_cp = NULL; | |
541 | gboolean retval = FALSE; | |
70a23263 | 542 | GtkTreeIter src_iter, root_iter, dest_iter, dest_parent; |
e0b0b9c1 | 543 | gint *i_src = NULL; |
e4afc73a EB |
544 | VikTreeview *vt; |
545 | VikLayer *vl; | |
546 | ||
547 | g_return_val_if_fail (GTK_IS_TREE_STORE (drag_dest), FALSE); | |
548 | ||
549 | tree_model = GTK_TREE_MODEL (drag_dest); | |
550 | tree_store = GTK_TREE_STORE (drag_dest); | |
551 | ||
552 | if (gtk_tree_get_row_drag_data (selection_data, &src_model, &src_path) && src_model == tree_model) { | |
553 | /* | |
554 | * Copy src_path to dest. There are two subcases here, depending on what | |
555 | * is being dragged. | |
556 | * | |
557 | * 1. src_path is a layer. In this case, interpret the drop | |
558 | * as a request to move the layer to a different aggregate layer. | |
559 | * If the destination is not an aggregate layer, use the first | |
560 | * ancestor that is. | |
561 | * | |
562 | * 2. src_path is a sublayer. In this case, find ancestors of | |
563 | * both source and destination nodes who are full layers, | |
564 | * and call the move method of that layer type. | |
565 | * | |
566 | */ | |
c390aa71 AF |
567 | if (!gtk_tree_model_get_iter (src_model, &src_iter, src_path)) { |
568 | goto out; | |
569 | } | |
570 | if (!gtk_tree_path_compare(src_path, dest)) { | |
571 | goto out; | |
572 | } | |
573 | ||
e4afc73a EB |
574 | i_src = gtk_tree_path_get_indices (src_path); |
575 | dest_cp = gtk_tree_path_copy (dest); | |
576 | ||
577 | gtk_tree_model_get_iter_first(tree_model, &root_iter); | |
578 | TREEVIEW_GET(tree_model, &root_iter, ITEM_POINTER_COLUMN, &vl); | |
579 | vt = vl->vt; | |
580 | ||
e4afc73a | 581 | |
70a23263 AF |
582 | if (gtk_tree_path_get_depth(dest_cp)>1) { /* can't be sibling of top layer */ |
583 | VikLayer *vl_src, *vl_dest; | |
e4afc73a | 584 | |
70a23263 AF |
585 | /* Find the first ancestor that is a full layer, and store in dest_parent. |
586 | * In addition, put in dest_iter where Gtk wants us to insert the dragged object. | |
587 | * (Note that this may end up being an invalid iter). | |
588 | */ | |
589 | do { | |
e4afc73a | 590 | gtk_tree_path_up(dest_cp); |
70a23263 AF |
591 | dest_iter = dest_parent; |
592 | gtk_tree_model_get_iter (src_model, &dest_parent, dest_cp); | |
593 | } while (gtk_tree_path_get_depth(dest_cp)>1 && | |
594 | vik_treeview_item_get_type(vt, &dest_parent) != VIK_TREEVIEW_TYPE_LAYER); | |
595 | ||
596 | ||
597 | g_assert ( vik_treeview_item_get_parent(vt, &src_iter) ); | |
598 | vl_src = vik_treeview_item_get_parent(vt, &src_iter); | |
599 | vl_dest = vik_treeview_item_get_pointer(vt, &dest_parent); | |
600 | ||
601 | /* TODO: might want to allow different types, and let the clients handle how they want */ | |
602 | if (vl_src->type == vl_dest->type && vik_layer_get_interface(vl_dest->type)->drag_drop_request) { | |
c390aa71 | 603 | // g_print("moving an item from layer '%s' into layer '%s'\n", vl_src->name, vl_dest->name); |
70a23263 AF |
604 | vik_layer_get_interface(vl_dest->type)->drag_drop_request(vl_src, vl_dest, &src_iter, dest); |
605 | } | |
e4afc73a EB |
606 | } |
607 | } | |
e4afc73a | 608 | |
70a23263 | 609 | out: |
e4afc73a EB |
610 | if (dest_cp) |
611 | gtk_tree_path_free(dest_cp); | |
612 | if (src_path) | |
613 | gtk_tree_path_free (src_path); | |
614 | ||
615 | return retval; | |
616 | } | |
617 | ||
618 | /* | |
619 | * This may not be necessary. | |
620 | */ | |
70a23263 | 621 | static gboolean treeview_drag_data_delete ( GtkTreeDragSource *drag_source, GtkTreePath *path ) |
e4afc73a EB |
622 | { |
623 | gchar *s_dest = gtk_tree_path_to_string(path); | |
4c77d5e0 | 624 | g_print(_("delete data from %s\n"), s_dest); |
e4afc73a EB |
625 | g_free(s_dest); |
626 | return FALSE; | |
627 | } | |
628 |