2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5 * Copyright (C) 2005, Alex Foobarian <foobarian@gmail.com>
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.
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.
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
29 #ifdef HAVE_SYS_TYPES_H
30 #include <sys/types.h>
36 #include <glib/gi18n.h>
44 VikClipboardDataType type;
52 static GtkTargetEntry target_table[] = {
53 { "application/viking", 0, 0 },
57 /*****************************************************************
58 ** functions which send to the clipboard client (we are owner) **
59 *****************************************************************/
61 static void clip_get ( GtkClipboard *c, GtkSelectionData *selection_data, guint info, gpointer p )
63 vik_clipboard_t *vc = p;
66 // g_print("clip_get: vc = %p, size = %d\n", vc, sizeof(*vc) + vc->len);
67 gtk_selection_data_set ( selection_data, gtk_selection_data_get_target(selection_data), 8, (void *)vc, sizeof(*vc) + vc->len );
70 // Should be a string, but make sure it's something
72 gtk_selection_data_set_text ( selection_data, vc->text, -1); // string text is null terminated
77 static void clip_clear ( GtkClipboard *c, gpointer p )
79 vik_clipboard_t* vc = (vik_clipboard_t*)p;
85 /**************************************************************************
86 ** functions which receive from the clipboard owner (we are the client) **
87 **************************************************************************/
89 /* our own data type */
90 static void clip_receive_viking ( GtkClipboard *c, GtkSelectionData *sd, gpointer p )
92 VikLayersPanel *vlp = p;
94 if (gtk_selection_data_get_length(sd) == -1) {
95 g_warning ( _("paste failed") );
98 // g_print("clip receive: target = %s, type = %s\n", gdk_atom_name(gtk_selection_data_get_target(sd), gdk_atom_name(sd->type));
99 g_assert(!strcmp(gdk_atom_name(gtk_selection_data_get_target(sd)), target_table[0].target));
101 vc = (vik_clipboard_t *)gtk_selection_data_get_data(sd);
102 // g_print(" sd->data = %p, sd->length = %d, vc->len = %d\n", sd->data, sd->length, vc->len);
104 if (gtk_selection_data_get_length(sd) != sizeof(*vc) + vc->len) {
105 g_warning ( _("wrong clipboard data size") );
109 if ( vc->type == VIK_CLIPBOARD_DATA_LAYER )
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 );
114 else if ( vc->type == VIK_CLIPBOARD_DATA_SUBLAYER )
116 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
117 if ( sel && sel->type == vc->layer_type)
119 if ( vik_layer_get_interface(vc->layer_type)->paste_item )
120 vik_layer_get_interface(vc->layer_type)->paste_item ( sel, vc->subtype, vc->data, vc->len);
123 a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(GTK_WIDGET(vlp)),
124 _("The clipboard contains sublayer data for %s layers. "
125 "You must select a layer of this type to paste the clipboard data."),
126 vik_layer_get_interface(vc->layer_type)->name );
134 * @text: text containing LatLon data.
135 * @coord: computed coordinates.
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.
140 * Returns: TRUE if coordinates are set.
142 static gboolean clip_parse_latlon ( const gchar *text, struct LatLon *coord )
149 gchar *s = g_strdup(text);
151 // g_print("parsing %s\n", s);
155 /* remove non-digits following digits; gets rid of degree symbols or whatever people use, and
158 for (i=0; i<len-2; i++) {
159 if (g_ascii_isdigit (s[i]) && s[i+1] != '.' && !g_ascii_isdigit (s[i+1])) {
161 if (!g_ascii_isalnum (s[i+2]) && s[i+2] != '-') {
167 /* now try reading coordinates */
168 for (i=0; i<len; i++) {
169 if (s[i] == 'N' || s[i] == 'S' || g_ascii_isdigit (s[i])) {
170 gchar latc[2] = "SN";
171 gchar lonc[2] = "WE";
175 for (j=0; j<2; j++) {
176 for (k=0; k<2; k++) {
177 gchar fmt1[] = "N %d%*[ ]%lf W %d%*[ ]%lf";
178 gchar fmt2[] = "%d%*[ ]%lf N %d%*[ ]%lf W";
179 gchar fmt3[] = "N %lf W %lf";
180 gchar fmt4[] = "%lf N %lf W";
182 fmt1[0] = latc[j]; fmt1[13] = lonc[k];
183 fmt2[11] = latc[j]; fmt2[24] = lonc[k];
184 fmt3[0] = latc[j]; fmt3[6] = lonc[k];
185 fmt4[4] = latc[j]; fmt4[10] = lonc[k];
187 if (sscanf(cand, fmt1, &latdeg, &latm, &londeg, &lonm) == 4 ||
188 sscanf(cand, fmt2, &latdeg, &latm, &londeg, &lonm) == 4) {
189 lat = (j*2-1) * (latdeg + latm / 60);
190 lon = (k*2-1) * (londeg + lonm / 60);
193 if (sscanf(cand, fmt3, &lat, &lon) == 2 ||
194 sscanf(cand, fmt4, &lat, &lon) == 2) {
204 if (sscanf(cand, "%d%*[ ]%lf %d%*[ ]%lf", &latdeg, &latm, &londeg, &lonm) == 4) {
205 lat = latdeg/abs(latdeg) * (abs(latdeg) + latm / 60);
206 lon = londeg/abs(londeg) * (abs(londeg) + lonm / 60);
209 if (sscanf(cand, "%lf %lf", &lat, &lon) == 2) {
216 /* did we get to the end without actually finding a coordinate? */
217 if (i<len && lat >= -90.0 && lat <= 90.0 && lon >= -180.0 && lon <= 180.0) {
225 static void clip_add_wp(VikLayersPanel *vlp, struct LatLon *coord)
228 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
231 vik_coord_load_from_latlon ( &vc, VIK_COORD_LATLON, coord );
233 if (sel && sel->type == VIK_LAYER_TRW) {
234 vik_trw_layer_new_waypoint ( VIK_TRW_LAYER(sel), VIK_GTK_WINDOW_FROM_LAYER(sel), &vc );
236 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);
240 static void clip_receive_text (GtkClipboard *c, const gchar *text, gpointer p)
242 VikLayersPanel *vlp = p;
244 g_debug ( "got text: %s", text );
246 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
247 if ( sel && vik_treeview_get_editing ( sel->vt ) ) {
249 if ( vik_treeview_get_selected_iter ( sel->vt, &iter ) ) {
250 // Try to sanitize input:
251 gchar *name = g_strescape ( text, NULL );
252 vik_layer_rename ( sel, name );
253 vik_treeview_item_set_name ( sel->vt, &iter, name );
260 if (clip_parse_latlon(text, &coord)) {
261 clip_add_wp(vlp, &coord);
265 static void clip_receive_html ( GtkClipboard *c, GtkSelectionData *sd, gpointer p )
267 VikLayersPanel *vlp = p;
274 if (gtk_selection_data_get_length(sd) == -1) {
278 /* - copying from Mozilla seems to give html in UTF-16. */
279 if (!(s = g_convert ( (gchar *)gtk_selection_data_get_data(sd), gtk_selection_data_get_length(sd), "UTF-8", "UTF-16", &r, &w, &err))) {
282 // g_print("html is %d bytes long: %s\n", gtk_selection_data_get_length(sd), s);
284 /* scrape a coordinate pasted from a geocaching.com page: look for a
285 * telltale tag if possible, and then remove tags
287 if (!(span = g_strstr_len(s, w, "<span id=\"LatLon\">"))) {
290 for (i=0; i<strlen(span); i++) {
302 if (clip_parse_latlon(span, &coord)) {
303 clip_add_wp(vlp, &coord);
310 * clip_receive_targets:
312 * Deal with various data types a clipboard may hold.
314 void clip_receive_targets ( GtkClipboard *c, GdkAtom *a, gint n, gpointer p )
316 VikLayersPanel *vlp = p;
319 for (i=0; i<n; i++) {
320 //g_print(" ""%s""\n", gdk_atom_name(a[i]));
321 if (!strcmp(gdk_atom_name(a[i]), "text/html")) {
322 gtk_clipboard_request_contents ( c, gdk_atom_intern("text/html", TRUE), clip_receive_html, vlp );
325 if (a[i] == GDK_TARGET_STRING) {
326 gtk_clipboard_request_text ( c, clip_receive_text, vlp );
329 if (!strcmp(gdk_atom_name(a[i]), "application/viking")) {
330 gtk_clipboard_request_contents ( c, gdk_atom_intern("application/viking", TRUE), clip_receive_viking, vlp );
336 /*********************************************************************************
337 ** public functions **
338 *********************************************************************************/
341 * a_clipboard_copy_selected:
343 * Make a copy of selected object and associate ourselves with the clipboard.
345 void a_clipboard_copy_selected ( VikLayersPanel *vlp )
347 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
349 VikClipboardDataType type = VIK_CLIPBOARD_DATA_NONE;
350 guint16 layer_type = 0;
354 const gchar *name = NULL;
359 vik_treeview_get_selected_iter ( sel->vt, &iter );
360 layer_type = sel->type;
362 // Since we intercept copy and paste keyboard operations, this is called even when a cell is being edited
363 if ( vik_treeview_get_editing ( sel->vt ) ) {
364 type = VIK_CLIPBOARD_DATA_TEXT;
365 // I don't think we can access what is actually selected (internal to GTK) so we go for the name of the item
366 // At least this is better than copying the layer data - which is even further away from what the user would be expecting...
367 name = vik_treeview_item_get_name ( sel->vt, &iter );
371 if ( vik_treeview_item_get_type ( sel->vt, &iter ) == VIK_TREEVIEW_TYPE_SUBLAYER ) {
372 type = VIK_CLIPBOARD_DATA_SUBLAYER;
373 if ( vik_layer_get_interface(layer_type)->copy_item) {
374 subtype = vik_treeview_item_get_data(sel->vt, &iter);
375 vik_layer_get_interface(layer_type)->copy_item(sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter), &data, &len );
376 // This name is used in setting the text representation of the item on the clipboard.
377 name = vik_treeview_item_get_name(sel->vt, &iter);
382 type = VIK_CLIPBOARD_DATA_LAYER;
383 vik_layer_marshall ( sel, &data, &ilen );
385 name = vik_layer_get_name ( vik_treeview_item_get_pointer(sel->vt, &iter) );
388 a_clipboard_copy ( type, layer_type, subtype, len, name, data );
391 void a_clipboard_copy( VikClipboardDataType type, guint16 layer_type, gint subtype, guint len, const gchar* text, guint8 * data)
393 vik_clipboard_t * vc = g_malloc(sizeof(*vc) + len);
394 GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD );
397 vc->layer_type = layer_type;
398 vc->subtype = subtype;
400 vc->text = g_strdup (text);
402 memcpy(vc->data, data, len);
407 // Simple clipboard copy when necessary
408 if ( type == VIK_CLIPBOARD_DATA_TEXT )
409 gtk_clipboard_set_text ( c, text, -1 );
411 gtk_clipboard_set_with_data ( c, target_table, G_N_ELEMENTS(target_table), clip_get, clip_clear, vc );
417 * To deal with multiple data types, we first request the type of data on the clipboard,
418 * and handle them in the callback.
420 gboolean a_clipboard_paste ( VikLayersPanel *vlp )
422 GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD );
423 gtk_clipboard_request_targets ( c, clip_receive_targets, vlp );
429 * Detect our own data types
431 static void clip_determine_viking_type ( GtkClipboard *c, GtkSelectionData *sd, gpointer p )
433 VikClipboardDataType *vdct = p;
435 *vdct = VIK_CLIPBOARD_DATA_NONE;
437 if (gtk_selection_data_get_length(sd) == -1) {
438 g_warning ("DETERMINING TYPE: length failure");
442 vc = (vik_clipboard_t *)gtk_selection_data_get_data(sd);
447 if ( vc->type == VIK_CLIPBOARD_DATA_LAYER ) {
448 *vdct = VIK_CLIPBOARD_DATA_LAYER;
450 else if ( vc->type == VIK_CLIPBOARD_DATA_SUBLAYER ) {
451 *vdct = VIK_CLIPBOARD_DATA_SUBLAYER;
454 g_warning ("DETERMINING TYPE: THIS SHOULD NEVER HAPPEN");
458 static void clip_determine_type ( GtkClipboard *c, GdkAtom *a, gint n, gpointer p )
461 for (i=0; i<n; i++) {
462 // g_print(" ""%s""\n", gdk_atom_name(a[i]));
463 if (!strcmp(gdk_atom_name(a[i]), "application/viking")) {
464 gtk_clipboard_request_contents ( c, gdk_atom_intern("application/viking", TRUE), clip_determine_viking_type, p );
473 * Return the type of data held in the clipboard if any
475 VikClipboardDataType a_clipboard_type ( )
477 GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD );
478 VikClipboardDataType *vcdt = g_malloc ( sizeof (VikClipboardDataType) );
480 gtk_clipboard_request_targets ( c, clip_determine_type, vcdt );