]>
Commit | Line | Data |
---|---|---|
50a14534 EB |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
a482007a | 5 | * Copyright (C) 2005, Alex Foobarian <foobarian@gmail.com> |
50a14534 EB |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | */ | |
22 | ||
45acf79e MA |
23 | #ifdef HAVE_CONFIG_H |
24 | #include "config.h" | |
25 | #endif | |
26 | ||
4df1abf8 | 27 | #include <string.h> |
2f50c650 | 28 | #include <stdlib.h> |
45acf79e MA |
29 | #ifdef HAVE_SYS_TYPES_H |
30 | #include <sys/types.h> | |
31 | #endif | |
32 | #ifdef HAVE_UNISTD_H | |
33 | #include <unistd.h> | |
34 | #endif | |
4c77d5e0 GB |
35 | |
36 | #include <glib/gi18n.h> | |
37 | ||
50a14534 EB |
38 | #include "viking.h" |
39 | ||
2f50c650 | 40 | |
4df1abf8 EB |
41 | typedef struct { |
42 | gpointer clipboard; | |
c434d571 | 43 | gint pid; |
2cebc318 | 44 | VikClipboardDataType type; |
4df1abf8 EB |
45 | gint subtype; |
46 | guint16 layer_type; | |
c434d571 | 47 | guint len; |
80fb9ed8 | 48 | gchar *text; |
c434d571 | 49 | guint8 data[0]; |
4df1abf8 | 50 | } vik_clipboard_t; |
50a14534 | 51 | |
4df1abf8 EB |
52 | static GtkTargetEntry target_table[] = { |
53 | { "application/viking", 0, 0 }, | |
54 | { "STRING", 0, 1 }, | |
55 | }; | |
50a14534 | 56 | |
2f50c650 AF |
57 | /***************************************************************** |
58 | ** functions which send to the clipboard client (we are owner) ** | |
59 | *****************************************************************/ | |
50a14534 | 60 | |
4df1abf8 EB |
61 | static void clip_get ( GtkClipboard *c, GtkSelectionData *selection_data, guint info, gpointer p ) |
62 | { | |
63 | vik_clipboard_t *vc = p; | |
80fb9ed8 RN |
64 | if ( info == 0 ) { |
65 | // Viking Data Type | |
0a6cab71 | 66 | // g_print("clip_get: vc = %p, size = %d\n", vc, sizeof(*vc) + vc->len); |
9b082b39 | 67 | gtk_selection_data_set ( selection_data, gtk_selection_data_get_target(selection_data), 8, (void *)vc, sizeof(*vc) + vc->len ); |
50a14534 | 68 | } |
80fb9ed8 | 69 | if ( info == 1 ) { |
c9570f86 RN |
70 | // Should be a string, but make sure it's something |
71 | if ( vc->text ) | |
72 | gtk_selection_data_set_text ( selection_data, vc->text, -1); // string text is null terminated | |
80fb9ed8 RN |
73 | } |
74 | ||
50a14534 EB |
75 | } |
76 | ||
4df1abf8 | 77 | static void clip_clear ( GtkClipboard *c, gpointer p ) |
50a14534 | 78 | { |
80fb9ed8 RN |
79 | vik_clipboard_t* vc = (vik_clipboard_t*)p; |
80 | g_free(vc->text); | |
81 | g_free(vc); | |
4df1abf8 EB |
82 | } |
83 | ||
84 | ||
2f50c650 AF |
85 | /************************************************************************** |
86 | ** functions which receive from the clipboard owner (we are the client) ** | |
87 | **************************************************************************/ | |
4df1abf8 EB |
88 | |
89 | /* our own data type */ | |
90 | static void clip_receive_viking ( GtkClipboard *c, GtkSelectionData *sd, gpointer p ) | |
91 | { | |
92 | VikLayersPanel *vlp = p; | |
93 | vik_clipboard_t *vc; | |
9b082b39 | 94 | if (gtk_selection_data_get_length(sd) == -1) { |
4c77d5e0 | 95 | g_warning ( _("paste failed") ); |
4df1abf8 EB |
96 | return; |
97 | } | |
9b082b39 | 98 | // g_print("clip receive: target = %s, type = %s\n", gdk_atom_name(gtk_selection_data_get_target(sd), gdk_atom_name(sd->type)); |
20045e96 | 99 | //g_assert(!strcmp(gdk_atom_name(gtk_selection_data_get_target(sd)), target_table[0].target)); |
4df1abf8 | 100 | |
9b082b39 | 101 | vc = (vik_clipboard_t *)gtk_selection_data_get_data(sd); |
0a6cab71 AF |
102 | // g_print(" sd->data = %p, sd->length = %d, vc->len = %d\n", sd->data, sd->length, vc->len); |
103 | ||
9b082b39 | 104 | if (gtk_selection_data_get_length(sd) != sizeof(*vc) + vc->len) { |
4c77d5e0 | 105 | g_warning ( _("wrong clipboard data size") ); |
0a6cab71 AF |
106 | return; |
107 | } | |
4df1abf8 | 108 | |
2cebc318 | 109 | if ( vc->type == VIK_CLIPBOARD_DATA_LAYER ) |
50a14534 | 110 | { |
c434d571 AF |
111 | VikLayer *new_layer = vik_layer_unmarshall ( vc->data, vc->len, vik_layers_panel_get_viewport(vlp) ); |
112 | vik_layers_panel_add_layer ( vlp, new_layer ); | |
50a14534 | 113 | } |
2cebc318 | 114 | else if ( vc->type == VIK_CLIPBOARD_DATA_SUBLAYER ) |
50a14534 EB |
115 | { |
116 | VikLayer *sel = vik_layers_panel_get_selected ( vlp ); | |
4df1abf8 | 117 | if ( sel && sel->type == vc->layer_type) |
50a14534 | 118 | { |
4df1abf8 | 119 | if ( vik_layer_get_interface(vc->layer_type)->paste_item ) |
ddc47a46 | 120 | vik_layer_get_interface(vc->layer_type)->paste_item ( sel, vc->subtype, vc->data, vc->len); |
50a14534 EB |
121 | } |
122 | else | |
4c77d5e0 | 123 | a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(GTK_WIDGET(vlp)), |
f5f53833 | 124 | _("The clipboard contains sublayer data for %s layers. " |
4c77d5e0 GB |
125 | "You must select a layer of this type to paste the clipboard data."), |
126 | vik_layer_get_interface(vc->layer_type)->name ); | |
4df1abf8 EB |
127 | } |
128 | } | |
129 | ||
130 | ||
2f50c650 | 131 | |
317cbf8a GB |
132 | /** |
133 | * clip_parse_latlon: | |
134 | * @text: text containing LatLon data. | |
135 | * @coord: computed coordinates. | |
136 | * | |
137 | * Utility func to handle pasted text: | |
138 | * search for N dd.dddddd W dd.dddddd, N dd° dd.dddd W dd° dd.ddddd and so forth. | |
139 | * | |
140 | * Returns: TRUE if coordinates are set. | |
4df1abf8 | 141 | */ |
2f50c650 AF |
142 | static gboolean clip_parse_latlon ( const gchar *text, struct LatLon *coord ) |
143 | { | |
85e43e66 RN |
144 | gint latdeg, londeg, latmi, lonmi; |
145 | gdouble lats, lons; | |
2f50c650 AF |
146 | gdouble latm, lonm; |
147 | gdouble lat, lon; | |
148 | gchar *cand; | |
149 | gint len, i; | |
150 | gchar *s = g_strdup(text); | |
151 | ||
152 | // g_print("parsing %s\n", s); | |
153 | ||
154 | len = strlen(s); | |
155 | ||
156 | /* remove non-digits following digits; gets rid of degree symbols or whatever people use, and | |
157 | * punctuation | |
158 | */ | |
159 | for (i=0; i<len-2; i++) { | |
160 | if (g_ascii_isdigit (s[i]) && s[i+1] != '.' && !g_ascii_isdigit (s[i+1])) { | |
161 | s[i+1] = ' '; | |
e0fca367 | 162 | if (!g_ascii_isalnum (s[i+2]) && s[i+2] != '-') { |
85e43e66 | 163 | s[i+2] = ' '; |
2f50c650 AF |
164 | } |
165 | } | |
166 | } | |
167 | ||
168 | /* now try reading coordinates */ | |
169 | for (i=0; i<len; i++) { | |
170 | if (s[i] == 'N' || s[i] == 'S' || g_ascii_isdigit (s[i])) { | |
171 | gchar latc[2] = "SN"; | |
172 | gchar lonc[2] = "WE"; | |
173 | gint j, k; | |
174 | cand = s+i; | |
175 | ||
85e43e66 | 176 | // First try matching strings containing the cardinal directions |
2f50c650 | 177 | for (j=0; j<2; j++) { |
85e43e66 RN |
178 | for (k=0; k<2; k++) { |
179 | // DMM | |
180 | gchar fmt1[] = "N %d%*[ ]%lf W %d%*[ ]%lf"; | |
181 | gchar fmt2[] = "%d%*[ ]%lf N %d%*[ ]%lf W"; | |
182 | // DDD | |
183 | gchar fmt3[] = "N %lf W %lf"; | |
184 | gchar fmt4[] = "%lf N %lf W"; | |
185 | // DMS | |
186 | gchar fmt5[] = "N%d%*[ ]%d%*[ ]%lf%*[ ]W%d%*[ ]%d%*[ ]%lf"; | |
187 | ||
188 | // Substitute in 'N','E','S' or 'W' values for each attempt | |
189 | fmt1[0] = latc[j]; fmt1[13] = lonc[k]; | |
190 | fmt2[11] = latc[j]; fmt2[24] = lonc[k]; | |
191 | fmt3[0] = latc[j]; fmt3[6] = lonc[k]; | |
192 | fmt4[4] = latc[j]; fmt4[10] = lonc[k]; | |
193 | fmt5[0] = latc[j]; fmt5[23] = lonc[k]; | |
194 | ||
195 | if (sscanf(cand, fmt1, &latdeg, &latm, &londeg, &lonm) == 4 || | |
196 | sscanf(cand, fmt2, &latdeg, &latm, &londeg, &lonm) == 4) { | |
197 | lat = (j*2-1) * (latdeg + latm / 60); | |
198 | lon = (k*2-1) * (londeg + lonm / 60); | |
199 | break; | |
200 | } | |
201 | if (sscanf(cand, fmt3, &lat, &lon) == 2 || | |
202 | sscanf(cand, fmt4, &lat, &lon) == 2) { | |
203 | lat *= (j*2-1); | |
204 | lon *= (k*2-1); | |
205 | break; | |
206 | } | |
207 | gint am = sscanf(cand, fmt5, &latdeg, &latmi, &lats, &londeg, &lonmi, &lons); | |
208 | if ( am == 6 ) { | |
209 | lat = (j*2-1) * (latdeg + latmi / 60.0 + lats / 3600.0); | |
210 | lon = (k*2-1) * (londeg + lonmi / 60.0 + lons / 3600.0); | |
211 | break; | |
212 | } | |
213 | } | |
214 | if (k!=2) break; | |
2f50c650 AF |
215 | } |
216 | if (j!=2) break; | |
217 | ||
85e43e66 RN |
218 | // DMM without Cardinal directions |
219 | if (sscanf(cand, "%d%*[ ]%lf*[ ]%d%*[ ]%lf", &latdeg, &latm, &londeg, &lonm) == 4) { | |
220 | lat = latdeg/abs(latdeg) * (abs(latdeg) + latm / 60); | |
221 | lon = londeg/abs(londeg) * (abs(londeg) + lonm / 60); | |
222 | break; | |
2f50c650 | 223 | } |
85e43e66 RN |
224 | // DMS without Cardinal directions |
225 | if (sscanf(cand, "%d%*[ ]%d%*[ ]%lf%*[ ]%d%*[ ]%d%*[ ]%lf", &latdeg, &latmi, &lats, &londeg, &lonmi, &lons) == 6) { | |
226 | lat = latdeg/abs(latdeg) * (abs(latdeg) + latm / 60.0 + lats / 3600.0); | |
227 | lon = londeg/abs(londeg) * (abs(londeg) + lonm / 60.0 + lons / 3600.0); | |
228 | break; | |
229 | } | |
230 | // Raw values | |
2f50c650 | 231 | if (sscanf(cand, "%lf %lf", &lat, &lon) == 2) { |
85e43e66 | 232 | break; |
2f50c650 AF |
233 | } |
234 | } | |
235 | } | |
236 | g_free(s); | |
237 | ||
7680e9fe AF |
238 | /* did we get to the end without actually finding a coordinate? */ |
239 | if (i<len && lat >= -90.0 && lat <= 90.0 && lon >= -180.0 && lon <= 180.0) { | |
2f50c650 AF |
240 | coord->lat = lat; |
241 | coord->lon = lon; | |
242 | return TRUE; | |
2f50c650 | 243 | } |
7680e9fe | 244 | return FALSE; |
2f50c650 AF |
245 | } |
246 | ||
247 | static void clip_add_wp(VikLayersPanel *vlp, struct LatLon *coord) | |
248 | { | |
249 | VikCoord vc; | |
250 | VikLayer *sel = vik_layers_panel_get_selected ( vlp ); | |
251 | ||
252 | ||
253 | vik_coord_load_from_latlon ( &vc, VIK_COORD_LATLON, coord ); | |
254 | ||
255 | if (sel && sel->type == VIK_LAYER_TRW) { | |
256 | vik_trw_layer_new_waypoint ( VIK_TRW_LAYER(sel), VIK_GTK_WINDOW_FROM_LAYER(sel), &vc ); | |
00de8de3 RN |
257 | trw_layer_calculate_bounds_waypoints ( VIK_TRW_LAYER(sel) ); |
258 | vik_layer_emit_update ( VIK_LAYER(sel) ); | |
2f50c650 | 259 | } else { |
4c77d5e0 | 260 | a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(GTK_WIDGET(vlp)), _("In order to paste a waypoint, please select an appropriate layer to paste into."), NULL); |
2f50c650 AF |
261 | } |
262 | } | |
263 | ||
4df1abf8 EB |
264 | static void clip_receive_text (GtkClipboard *c, const gchar *text, gpointer p) |
265 | { | |
266 | VikLayersPanel *vlp = p; | |
ee4c7107 RN |
267 | |
268 | g_debug ( "got text: %s", text ); | |
269 | ||
270 | VikLayer *sel = vik_layers_panel_get_selected ( vlp ); | |
271 | if ( sel && vik_treeview_get_editing ( sel->vt ) ) { | |
272 | GtkTreeIter iter; | |
273 | if ( vik_treeview_get_selected_iter ( sel->vt, &iter ) ) { | |
274 | // Try to sanitize input: | |
275 | gchar *name = g_strescape ( text, NULL ); | |
276 | vik_layer_rename ( sel, name ); | |
277 | vik_treeview_item_set_name ( sel->vt, &iter, name ); | |
278 | g_free ( name ); | |
279 | } | |
280 | return; | |
281 | } | |
282 | ||
2f50c650 AF |
283 | struct LatLon coord; |
284 | if (clip_parse_latlon(text, &coord)) { | |
285 | clip_add_wp(vlp, &coord); | |
286 | } | |
4df1abf8 EB |
287 | } |
288 | ||
4df1abf8 EB |
289 | static void clip_receive_html ( GtkClipboard *c, GtkSelectionData *sd, gpointer p ) |
290 | { | |
291 | VikLayersPanel *vlp = p; | |
00bb93da | 292 | gsize r, w; |
4df1abf8 | 293 | GError *err = NULL; |
2f50c650 AF |
294 | gchar *s, *span; |
295 | gint tag = 0, i; | |
296 | struct LatLon coord; | |
4df1abf8 | 297 | |
9b082b39 | 298 | if (gtk_selection_data_get_length(sd) == -1) { |
4df1abf8 EB |
299 | return; |
300 | } | |
301 | ||
2f50c650 | 302 | /* - copying from Mozilla seems to give html in UTF-16. */ |
9b082b39 | 303 | if (!(s = g_convert ( (gchar *)gtk_selection_data_get_data(sd), gtk_selection_data_get_length(sd), "UTF-8", "UTF-16", &r, &w, &err))) { |
4df1abf8 EB |
304 | return; |
305 | } | |
9b082b39 | 306 | // g_print("html is %d bytes long: %s\n", gtk_selection_data_get_length(sd), s); |
2f50c650 AF |
307 | |
308 | /* scrape a coordinate pasted from a geocaching.com page: look for a | |
309 | * telltale tag if possible, and then remove tags | |
310 | */ | |
311 | if (!(span = g_strstr_len(s, w, "<span id=\"LatLon\">"))) { | |
312 | span = s; | |
313 | } | |
314 | for (i=0; i<strlen(span); i++) { | |
c60f82df RN |
315 | gchar ch = span[i]; |
316 | if (ch == '<') { | |
2f50c650 AF |
317 | tag++; |
318 | } | |
319 | if (tag>0) { | |
320 | span[i] = ' '; | |
321 | } | |
c60f82df | 322 | if (ch == '>') { |
2f50c650 AF |
323 | if (tag>0) tag--; |
324 | } | |
325 | } | |
326 | if (clip_parse_latlon(span, &coord)) { | |
327 | clip_add_wp(vlp, &coord); | |
328 | } | |
329 | ||
4df1abf8 EB |
330 | g_free(s); |
331 | } | |
332 | ||
317cbf8a GB |
333 | /** |
334 | * clip_receive_targets: | |
335 | * | |
336 | * Deal with various data types a clipboard may hold. | |
4df1abf8 EB |
337 | */ |
338 | void clip_receive_targets ( GtkClipboard *c, GdkAtom *a, gint n, gpointer p ) | |
339 | { | |
340 | VikLayersPanel *vlp = p; | |
341 | gint i; | |
342 | ||
4df1abf8 | 343 | for (i=0; i<n; i++) { |
20045e96 RN |
344 | gchar* name = gdk_atom_name(a[i]); |
345 | //g_print(" ""%s""\n", name); | |
346 | gboolean breaktime = FALSE; | |
347 | if (!g_strcmp0(name, "text/html")) { | |
4df1abf8 | 348 | gtk_clipboard_request_contents ( c, gdk_atom_intern("text/html", TRUE), clip_receive_html, vlp ); |
20045e96 | 349 | breaktime = TRUE; |
4df1abf8 EB |
350 | } |
351 | if (a[i] == GDK_TARGET_STRING) { | |
352 | gtk_clipboard_request_text ( c, clip_receive_text, vlp ); | |
20045e96 | 353 | breaktime = TRUE; |
4df1abf8 | 354 | } |
20045e96 | 355 | if (!g_strcmp0(name, "application/viking")) { |
4df1abf8 | 356 | gtk_clipboard_request_contents ( c, gdk_atom_intern("application/viking", TRUE), clip_receive_viking, vlp ); |
20045e96 | 357 | breaktime = TRUE; |
4df1abf8 | 358 | } |
20045e96 RN |
359 | |
360 | g_free ( name ); | |
361 | ||
362 | if ( breaktime ) | |
363 | break; | |
50a14534 | 364 | } |
4df1abf8 EB |
365 | } |
366 | ||
367 | /********************************************************************************* | |
368 | ** public functions ** | |
369 | *********************************************************************************/ | |
370 | ||
317cbf8a GB |
371 | /** |
372 | * a_clipboard_copy_selected: | |
373 | * | |
374 | * Make a copy of selected object and associate ourselves with the clipboard. | |
4df1abf8 | 375 | */ |
2cebc318 | 376 | void a_clipboard_copy_selected ( VikLayersPanel *vlp ) |
4df1abf8 EB |
377 | { |
378 | VikLayer *sel = vik_layers_panel_get_selected ( vlp ); | |
379 | GtkTreeIter iter; | |
9414408e | 380 | VikClipboardDataType type = VIK_CLIPBOARD_DATA_NONE; |
2cebc318 QT |
381 | guint16 layer_type = 0; |
382 | gint subtype = 0; | |
ddc47a46 | 383 | guint8 *data = NULL; |
9414408e | 384 | guint len = 0; |
80fb9ed8 | 385 | const gchar *name = NULL; |
4df1abf8 EB |
386 | |
387 | if ( ! sel ) | |
388 | return; | |
389 | ||
390 | vik_treeview_get_selected_iter ( sel->vt, &iter ); | |
f5f53833 | 391 | layer_type = sel->type; |
4df1abf8 | 392 | |
ee4c7107 RN |
393 | // Since we intercept copy and paste keyboard operations, this is called even when a cell is being edited |
394 | if ( vik_treeview_get_editing ( sel->vt ) ) { | |
395 | type = VIK_CLIPBOARD_DATA_TEXT; | |
396 | // I don't think we can access what is actually selected (internal to GTK) so we go for the name of the item | |
397 | // At least this is better than copying the layer data - which is even further away from what the user would be expecting... | |
398 | name = vik_treeview_item_get_name ( sel->vt, &iter ); | |
399 | len = 0; | |
4df1abf8 | 400 | } |
ee4c7107 RN |
401 | else { |
402 | if ( vik_treeview_item_get_type ( sel->vt, &iter ) == VIK_TREEVIEW_TYPE_SUBLAYER ) { | |
403 | type = VIK_CLIPBOARD_DATA_SUBLAYER; | |
404 | if ( vik_layer_get_interface(layer_type)->copy_item) { | |
405 | subtype = vik_treeview_item_get_data(sel->vt, &iter); | |
406 | vik_layer_get_interface(layer_type)->copy_item(sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter), &data, &len ); | |
407 | // This name is used in setting the text representation of the item on the clipboard. | |
408 | name = vik_treeview_item_get_name(sel->vt, &iter); | |
409 | } | |
410 | } | |
411 | else { | |
412 | gint ilen; | |
413 | type = VIK_CLIPBOARD_DATA_LAYER; | |
414 | vik_layer_marshall ( sel, &data, &ilen ); | |
415 | len = ilen; | |
416 | name = vik_layer_get_name ( vik_treeview_item_get_pointer(sel->vt, &iter) ); | |
417 | } | |
80fb9ed8 | 418 | } |
ee4c7107 | 419 | a_clipboard_copy ( type, layer_type, subtype, len, name, data ); |
2cebc318 | 420 | } |
ddc47a46 | 421 | |
80fb9ed8 | 422 | void a_clipboard_copy( VikClipboardDataType type, guint16 layer_type, gint subtype, guint len, const gchar* text, guint8 * data) |
2cebc318 QT |
423 | { |
424 | vik_clipboard_t * vc = g_malloc(sizeof(*vc) + len); | |
425 | GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD ); | |
ddc47a46 | 426 | |
2cebc318 QT |
427 | vc->type = type; |
428 | vc->layer_type = layer_type; | |
429 | vc->subtype = subtype; | |
430 | vc->len = len; | |
80fb9ed8 | 431 | vc->text = g_strdup (text); |
ee4c7107 RN |
432 | if ( data ) { |
433 | memcpy(vc->data, data, len); | |
434 | g_free(data); | |
435 | } | |
2cebc318 | 436 | vc->pid = getpid(); |
ee4c7107 RN |
437 | |
438 | // Simple clipboard copy when necessary | |
439 | if ( type == VIK_CLIPBOARD_DATA_TEXT ) | |
440 | gtk_clipboard_set_text ( c, text, -1 ); | |
441 | else | |
442 | gtk_clipboard_set_with_data ( c, target_table, G_N_ELEMENTS(target_table), clip_get, clip_clear, vc ); | |
4df1abf8 EB |
443 | } |
444 | ||
317cbf8a GB |
445 | /** |
446 | * a_clipboard_paste: | |
447 | * | |
448 | * To deal with multiple data types, we first request the type of data on the clipboard, | |
449 | * and handle them in the callback. | |
4df1abf8 EB |
450 | */ |
451 | gboolean a_clipboard_paste ( VikLayersPanel *vlp ) | |
452 | { | |
453 | GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD ); | |
454 | gtk_clipboard_request_targets ( c, clip_receive_targets, vlp ); | |
455 | return TRUE; | |
50a14534 | 456 | } |
2f50c650 | 457 | |
6760787b RN |
458 | /** |
459 | * | |
460 | * Detect our own data types | |
461 | */ | |
462 | static void clip_determine_viking_type ( GtkClipboard *c, GtkSelectionData *sd, gpointer p ) | |
463 | { | |
464 | VikClipboardDataType *vdct = p; | |
465 | // Default value | |
466 | *vdct = VIK_CLIPBOARD_DATA_NONE; | |
467 | vik_clipboard_t *vc; | |
9b082b39 | 468 | if (gtk_selection_data_get_length(sd) == -1) { |
6760787b RN |
469 | g_warning ("DETERMINING TYPE: length failure"); |
470 | return; | |
471 | } | |
472 | ||
9b082b39 | 473 | vc = (vik_clipboard_t *)gtk_selection_data_get_data(sd); |
6760787b RN |
474 | |
475 | if ( !vc->type ) | |
476 | return; | |
477 | ||
478 | if ( vc->type == VIK_CLIPBOARD_DATA_LAYER ) { | |
479 | *vdct = VIK_CLIPBOARD_DATA_LAYER; | |
480 | } | |
481 | else if ( vc->type == VIK_CLIPBOARD_DATA_SUBLAYER ) { | |
482 | *vdct = VIK_CLIPBOARD_DATA_SUBLAYER; | |
483 | } | |
484 | else { | |
485 | g_warning ("DETERMINING TYPE: THIS SHOULD NEVER HAPPEN"); | |
486 | } | |
487 | } | |
488 | ||
489 | static void clip_determine_type ( GtkClipboard *c, GdkAtom *a, gint n, gpointer p ) | |
490 | { | |
491 | gint i; | |
492 | for (i=0; i<n; i++) { | |
20045e96 RN |
493 | gchar *name = gdk_atom_name(a[i]); |
494 | // g_print(" ""%s""\n", name); | |
495 | gboolean breaktime = FALSE; | |
496 | if (!g_strcmp0(name, "application/viking")) { | |
6760787b | 497 | gtk_clipboard_request_contents ( c, gdk_atom_intern("application/viking", TRUE), clip_determine_viking_type, p ); |
20045e96 | 498 | breaktime = TRUE; |
6760787b | 499 | } |
20045e96 RN |
500 | |
501 | g_free ( name ); | |
502 | ||
503 | if ( breaktime ) | |
504 | break; | |
6760787b RN |
505 | } |
506 | } | |
507 | ||
508 | /** | |
509 | * a_clipboard_type: | |
510 | * | |
511 | * Return the type of data held in the clipboard if any | |
512 | */ | |
513 | VikClipboardDataType a_clipboard_type ( ) | |
514 | { | |
515 | GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD ); | |
516 | VikClipboardDataType *vcdt = g_malloc ( sizeof (VikClipboardDataType) ); | |
517 | ||
518 | gtk_clipboard_request_targets ( c, clip_determine_type, vcdt ); | |
519 | gint answer = *vcdt; | |
520 | g_free ( vcdt ); | |
521 | return answer; | |
522 | } |