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 )
144 gint latdeg, londeg, latmi, lonmi;
150 gchar *s = g_strdup(text);
152 // g_print("parsing %s\n", s);
156 /* remove non-digits following digits; gets rid of degree symbols or whatever people use, and
159 for (i=0; i<len-2; i++) {
160 if (g_ascii_isdigit (s[i]) && s[i+1] != '.' && !g_ascii_isdigit (s[i+1])) {
162 if (!g_ascii_isalnum (s[i+2]) && s[i+2] != '-') {
166 if ( g_ascii_iscntrl (s[i]) ) {
167 // Replace any control characters (i.e. mainly for tabs) with a space
172 /* now try reading coordinates */
173 for (i=0; i<len; i++) {
174 if (s[i] == 'N' || s[i] == 'S' || g_ascii_isdigit (s[i])) {
175 gchar latc[2] = "SN";
176 gchar lonc[2] = "WE";
180 // First try matching strings containing the cardinal directions
181 for (j=0; j<2; j++) {
182 for (k=0; k<2; k++) {
184 gchar fmt1[] = "N %d%*[ ]%lf W %d%*[ ]%lf";
185 gchar fmt2[] = "%d%*[ ]%lf N %d%*[ ]%lf W";
187 gchar fmt3[] = "N %lf W %lf";
188 gchar fmt4[] = "%lf N %lf W";
190 gchar fmt5[] = "N%d%*[ ]%d%*[ ]%lf%*[ ]W%d%*[ ]%d%*[ ]%lf";
192 // Substitute in 'N','E','S' or 'W' values for each attempt
193 fmt1[0] = latc[j]; fmt1[13] = lonc[k];
194 fmt2[11] = latc[j]; fmt2[24] = lonc[k];
195 fmt3[0] = latc[j]; fmt3[6] = lonc[k];
196 fmt4[4] = latc[j]; fmt4[10] = lonc[k];
197 fmt5[0] = latc[j]; fmt5[23] = lonc[k];
199 if (sscanf(cand, fmt1, &latdeg, &latm, &londeg, &lonm) == 4 ||
200 sscanf(cand, fmt2, &latdeg, &latm, &londeg, &lonm) == 4) {
201 lat = (j*2-1) * (latdeg + latm / 60);
202 lon = (k*2-1) * (londeg + lonm / 60);
205 if (sscanf(cand, fmt3, &lat, &lon) == 2 ||
206 sscanf(cand, fmt4, &lat, &lon) == 2) {
211 gint am = sscanf(cand, fmt5, &latdeg, &latmi, &lats, &londeg, &lonmi, &lons);
213 lat = (j*2-1) * (latdeg + latmi / 60.0 + lats / 3600.0);
214 lon = (k*2-1) * (londeg + lonmi / 60.0 + lons / 3600.0);
222 // DMM without Cardinal directions
223 if (sscanf(cand, "%d%*[ ]%lf*[ ]%d%*[ ]%lf", &latdeg, &latm, &londeg, &lonm) == 4) {
224 lat = latdeg/abs(latdeg) * (abs(latdeg) + latm / 60);
225 lon = londeg/abs(londeg) * (abs(londeg) + lonm / 60);
228 // DMS without Cardinal directions
229 if (sscanf(cand, "%d%*[ ]%d%*[ ]%lf%*[ ]%d%*[ ]%d%*[ ]%lf", &latdeg, &latmi, &lats, &londeg, &lonmi, &lons) == 6) {
230 lat = latdeg/abs(latdeg) * (abs(latdeg) + latm / 60.0 + lats / 3600.0);
231 lon = londeg/abs(londeg) * (abs(londeg) + lonm / 60.0 + lons / 3600.0);
235 if (sscanf(cand, "%lf %lf", &lat, &lon) == 2) {
242 /* did we get to the end without actually finding a coordinate? */
243 if (i<len && lat >= -90.0 && lat <= 90.0 && lon >= -180.0 && lon <= 180.0) {
251 static void clip_add_wp(VikLayersPanel *vlp, struct LatLon *coord)
254 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
257 vik_coord_load_from_latlon ( &vc, VIK_COORD_LATLON, coord );
259 if (sel && sel->type == VIK_LAYER_TRW) {
260 vik_trw_layer_new_waypoint ( VIK_TRW_LAYER(sel), VIK_GTK_WINDOW_FROM_LAYER(sel), &vc );
261 trw_layer_calculate_bounds_waypoints ( VIK_TRW_LAYER(sel) );
262 vik_layer_emit_update ( VIK_LAYER(sel) );
264 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);
268 static void clip_receive_text (GtkClipboard *c, const gchar *text, gpointer p)
270 VikLayersPanel *vlp = p;
272 g_debug ( "got text: %s", text );
274 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
275 if ( sel && vik_treeview_get_editing ( sel->vt ) ) {
277 if ( vik_treeview_get_selected_iter ( sel->vt, &iter ) ) {
278 // Try to sanitize input:
279 gchar *name = g_strescape ( text, NULL );
280 vik_layer_rename ( sel, name );
281 vik_treeview_item_set_name ( sel->vt, &iter, name );
288 if (clip_parse_latlon(text, &coord)) {
289 clip_add_wp(vlp, &coord);
293 static void clip_receive_html ( GtkClipboard *c, GtkSelectionData *sd, gpointer p )
295 VikLayersPanel *vlp = p;
302 if (gtk_selection_data_get_length(sd) == -1) {
306 /* - copying from Mozilla seems to give html in UTF-16. */
307 if (!(s = g_convert ( (gchar *)gtk_selection_data_get_data(sd), gtk_selection_data_get_length(sd), "UTF-8", "UTF-16", &r, &w, &err))) {
310 // g_print("html is %d bytes long: %s\n", gtk_selection_data_get_length(sd), s);
312 /* scrape a coordinate pasted from a geocaching.com page: look for a
313 * telltale tag if possible, and then remove tags
315 if (!(span = g_strstr_len(s, w, "<span id=\"LatLon\">"))) {
318 for (i=0; i<strlen(span); i++) {
330 if (clip_parse_latlon(span, &coord)) {
331 clip_add_wp(vlp, &coord);
338 * clip_receive_targets:
340 * Deal with various data types a clipboard may hold.
342 void clip_receive_targets ( GtkClipboard *c, GdkAtom *a, gint n, gpointer p )
344 VikLayersPanel *vlp = p;
347 for (i=0; i<n; i++) {
348 gchar* name = gdk_atom_name(a[i]);
349 //g_print(" ""%s""\n", name);
350 gboolean breaktime = FALSE;
351 if (!g_strcmp0(name, "text/html")) {
352 gtk_clipboard_request_contents ( c, gdk_atom_intern("text/html", TRUE), clip_receive_html, vlp );
355 if (a[i] == GDK_TARGET_STRING) {
356 gtk_clipboard_request_text ( c, clip_receive_text, vlp );
359 if (!g_strcmp0(name, "application/viking")) {
360 gtk_clipboard_request_contents ( c, gdk_atom_intern("application/viking", TRUE), clip_receive_viking, vlp );
371 /*********************************************************************************
372 ** public functions **
373 *********************************************************************************/
376 * a_clipboard_copy_selected:
378 * Make a copy of selected object and associate ourselves with the clipboard.
380 void a_clipboard_copy_selected ( VikLayersPanel *vlp )
382 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
384 VikClipboardDataType type = VIK_CLIPBOARD_DATA_NONE;
385 guint16 layer_type = 0;
389 const gchar *name = NULL;
394 if ( !vik_treeview_get_selected_iter ( sel->vt, &iter ) )
396 layer_type = sel->type;
398 // Since we intercept copy and paste keyboard operations, this is called even when a cell is being edited
399 if ( vik_treeview_get_editing ( sel->vt ) ) {
400 type = VIK_CLIPBOARD_DATA_TEXT;
401 // I don't think we can access what is actually selected (internal to GTK) so we go for the name of the item
402 // At least this is better than copying the layer data - which is even further away from what the user would be expecting...
403 name = vik_treeview_item_get_name ( sel->vt, &iter );
407 if ( vik_treeview_item_get_type ( sel->vt, &iter ) == VIK_TREEVIEW_TYPE_SUBLAYER ) {
408 type = VIK_CLIPBOARD_DATA_SUBLAYER;
409 if ( vik_layer_get_interface(layer_type)->copy_item) {
410 subtype = vik_treeview_item_get_data(sel->vt, &iter);
411 vik_layer_get_interface(layer_type)->copy_item(sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter), &data, &len );
412 // This name is used in setting the text representation of the item on the clipboard.
413 name = vik_treeview_item_get_name(sel->vt, &iter);
418 type = VIK_CLIPBOARD_DATA_LAYER;
419 vik_layer_marshall ( sel, &data, &ilen );
421 name = vik_layer_get_name ( vik_treeview_item_get_pointer(sel->vt, &iter) );
424 a_clipboard_copy ( type, layer_type, subtype, len, name, data );
427 void a_clipboard_copy( VikClipboardDataType type, guint16 layer_type, gint subtype, guint len, const gchar* text, guint8 * data)
429 vik_clipboard_t * vc = g_malloc(sizeof(*vc) + len);
430 GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD );
433 vc->layer_type = layer_type;
434 vc->subtype = subtype;
436 vc->text = g_strdup (text);
438 memcpy(vc->data, data, len);
443 // Simple clipboard copy when necessary
444 if ( type == VIK_CLIPBOARD_DATA_TEXT )
445 gtk_clipboard_set_text ( c, text, -1 );
447 gtk_clipboard_set_with_data ( c, target_table, G_N_ELEMENTS(target_table), clip_get, clip_clear, vc );
453 * To deal with multiple data types, we first request the type of data on the clipboard,
454 * and handle them in the callback.
456 gboolean a_clipboard_paste ( VikLayersPanel *vlp )
458 GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD );
459 gtk_clipboard_request_targets ( c, clip_receive_targets, vlp );
465 * Detect our own data types
467 static void clip_determine_viking_type ( GtkClipboard *c, GtkSelectionData *sd, gpointer p )
469 VikClipboardDataType *vdct = p;
471 *vdct = VIK_CLIPBOARD_DATA_NONE;
473 if (gtk_selection_data_get_length(sd) == -1) {
474 g_warning ("DETERMINING TYPE: length failure");
478 vc = (vik_clipboard_t *)gtk_selection_data_get_data(sd);
483 if ( vc->type == VIK_CLIPBOARD_DATA_LAYER ) {
484 *vdct = VIK_CLIPBOARD_DATA_LAYER;
486 else if ( vc->type == VIK_CLIPBOARD_DATA_SUBLAYER ) {
487 *vdct = VIK_CLIPBOARD_DATA_SUBLAYER;
490 g_warning ("DETERMINING TYPE: THIS SHOULD NEVER HAPPEN");
494 static void clip_determine_type ( GtkClipboard *c, GdkAtom *a, gint n, gpointer p )
497 for (i=0; i<n; i++) {
498 gchar *name = gdk_atom_name(a[i]);
499 // g_print(" ""%s""\n", name);
500 gboolean breaktime = FALSE;
501 if (!g_strcmp0(name, "application/viking")) {
502 gtk_clipboard_request_contents ( c, gdk_atom_intern("application/viking", TRUE), clip_determine_viking_type, p );
516 * Return the type of data held in the clipboard if any
518 VikClipboardDataType a_clipboard_type ( )
520 GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD );
521 VikClipboardDataType *vcdt = g_malloc ( sizeof (VikClipboardDataType) );
523 gtk_clipboard_request_targets ( c, clip_determine_type, vcdt );