2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
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.
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.
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
28 #ifdef HAVE_SYS_TYPES_H
29 #include <sys/types.h>
35 #include <glib/gi18n.h>
43 VikClipboardDataType type;
50 static GtkTargetEntry target_table[] = {
51 { "application/viking", 0, 0 },
55 /*****************************************************************
56 ** functions which send to the clipboard client (we are owner) **
57 *****************************************************************/
59 static void clip_get ( GtkClipboard *c, GtkSelectionData *selection_data, guint info, gpointer p )
61 vik_clipboard_t *vc = p;
63 // g_print("clip_get: vc = %p, size = %d\n", vc, sizeof(*vc) + vc->len);
64 gtk_selection_data_set ( selection_data, selection_data->target, 8, (void *)vc, sizeof(*vc) + vc->len );
68 static void clip_clear ( GtkClipboard *c, gpointer p )
74 /**************************************************************************
75 ** functions which receive from the clipboard owner (we are the client) **
76 **************************************************************************/
78 /* our own data type */
79 static void clip_receive_viking ( GtkClipboard *c, GtkSelectionData *sd, gpointer p )
81 VikLayersPanel *vlp = p;
83 if (sd->length == -1) {
84 g_warning ( _("paste failed") );
87 // g_print("clip receive: target = %s, type = %s\n", gdk_atom_name(sd->target), gdk_atom_name(sd->type));
88 g_assert(!strcmp(gdk_atom_name(sd->target), target_table[0].target));
90 vc = (vik_clipboard_t *)sd->data;
91 // g_print(" sd->data = %p, sd->length = %d, vc->len = %d\n", sd->data, sd->length, vc->len);
93 if (sd->length != sizeof(*vc) + vc->len) {
94 g_warning ( _("wrong clipboard data size") );
98 if ( vc->type == VIK_CLIPBOARD_DATA_LAYER )
100 VikLayer *new_layer = vik_layer_unmarshall ( vc->data, vc->len, vik_layers_panel_get_viewport(vlp) );
101 vik_layers_panel_add_layer ( vlp, new_layer );
103 else if ( vc->type == VIK_CLIPBOARD_DATA_SUBLAYER )
105 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
106 if ( sel && sel->type == vc->layer_type)
108 if ( vik_layer_get_interface(vc->layer_type)->paste_item )
109 vik_layer_get_interface(vc->layer_type)->paste_item ( sel, vc->subtype, vc->data, vc->len);
112 a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(GTK_WIDGET(vlp)),
113 _("The clipboard contains sublayer data for %s layers. "
114 "You must select a layer of this type to paste the clipboard data."),
115 vik_layer_get_interface(vc->layer_type)->name );
122 * utility func to handle pasted text:
123 * search for N dd.dddddd W dd.dddddd, N dd° dd.dddd W dd° dd.ddddd and so forth
125 static gboolean clip_parse_latlon ( const gchar *text, struct LatLon *coord )
132 gchar *s = g_strdup(text);
134 // g_print("parsing %s\n", s);
138 /* remove non-digits following digits; gets rid of degree symbols or whatever people use, and
141 for (i=0; i<len-2; i++) {
142 if (g_ascii_isdigit (s[i]) && s[i+1] != '.' && !g_ascii_isdigit (s[i+1])) {
144 if (!g_ascii_isalnum (s[i+2]) && s[i+2] != '-') {
150 /* now try reading coordinates */
151 for (i=0; i<len; i++) {
152 if (s[i] == 'N' || s[i] == 'S' || g_ascii_isdigit (s[i])) {
153 gchar latc[2] = "SN";
154 gchar lonc[2] = "WE";
158 for (j=0; j<2; j++) {
159 for (k=0; k<2; k++) {
160 gchar fmt1[] = "N %d%*[ ]%lf W %d%*[ ]%lf";
161 gchar fmt2[] = "%d%*[ ]%lf N %d%*[ ]%lf W";
162 gchar fmt3[] = "N %lf W %lf";
163 gchar fmt4[] = "%lf N %lf W";
165 fmt1[0] = latc[j]; fmt1[13] = lonc[k];
166 fmt2[11] = latc[j]; fmt2[24] = lonc[k];
167 fmt3[0] = latc[j]; fmt3[6] = lonc[k];
168 fmt4[4] = latc[j]; fmt4[10] = lonc[k];
170 if (sscanf(cand, fmt1, &latdeg, &latm, &londeg, &lonm) == 4 ||
171 sscanf(cand, fmt2, &latdeg, &latm, &londeg, &lonm) == 4) {
172 lat = (j*2-1) * (latdeg + latm / 60);
173 lon = (k*2-1) * (londeg + lonm / 60);
176 if (sscanf(cand, fmt3, &lat, &lon) == 2 ||
177 sscanf(cand, fmt4, &lat, &lon) == 2) {
187 if (sscanf(cand, "%d%*[ ]%lf %d%*[ ]%lf", &latdeg, &latm, &londeg, &lonm) == 4) {
188 lat = latdeg/abs(latdeg) * (abs(latdeg) + latm / 60);
189 lon = londeg/abs(londeg) * (abs(londeg) + lonm / 60);
192 if (sscanf(cand, "%lf %lf", &lat, &lon) == 2) {
199 /* did we get to the end without actually finding a coordinate? */
200 if (i<len && lat >= -90.0 && lat <= 90.0 && lon >= -180.0 && lon <= 180.0) {
208 static void clip_add_wp(VikLayersPanel *vlp, struct LatLon *coord)
211 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
214 vik_coord_load_from_latlon ( &vc, VIK_COORD_LATLON, coord );
216 if (sel && sel->type == VIK_LAYER_TRW) {
217 vik_trw_layer_new_waypoint ( VIK_TRW_LAYER(sel), VIK_GTK_WINDOW_FROM_LAYER(sel), &vc );
219 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);
223 static void clip_receive_text (GtkClipboard *c, const gchar *text, gpointer p)
225 VikLayersPanel *vlp = p;
227 // g_print("got text: %s\n", text);
228 if (clip_parse_latlon(text, &coord)) {
229 clip_add_wp(vlp, &coord);
233 static void clip_receive_html ( GtkClipboard *c, GtkSelectionData *sd, gpointer p )
235 VikLayersPanel *vlp = p;
242 if (sd->length == -1) {
246 /* - copying from Mozilla seems to give html in UTF-16. */
247 if (!(s = g_convert ( (gchar *)sd->data, sd->length, "UTF-8", "UTF-16", &r, &w, &err))) {
250 // g_print("html is %d bytes long: %s\n", sd->length, s);
252 /* scrape a coordinate pasted from a geocaching.com page: look for a
253 * telltale tag if possible, and then remove tags
255 if (!(span = g_strstr_len(s, w, "<span id=\"LatLon\">"))) {
258 for (i=0; i<strlen(span); i++) {
270 if (clip_parse_latlon(span, &coord)) {
271 clip_add_wp(vlp, &coord);
278 * deal with various data types a clipboard may hold
280 void clip_receive_targets ( GtkClipboard *c, GdkAtom *a, gint n, gpointer p )
282 VikLayersPanel *vlp = p;
285 /* g_print("got targets\n"); */
286 for (i=0; i<n; i++) {
287 /* g_print(" ""%s""\n", gdk_atom_name(a[i])); */
288 if (!strcmp(gdk_atom_name(a[i]), "text/html")) {
289 gtk_clipboard_request_contents ( c, gdk_atom_intern("text/html", TRUE), clip_receive_html, vlp );
292 if (a[i] == GDK_TARGET_STRING) {
293 gtk_clipboard_request_text ( c, clip_receive_text, vlp );
296 if (!strcmp(gdk_atom_name(a[i]), "application/viking")) {
297 gtk_clipboard_request_contents ( c, gdk_atom_intern("application/viking", TRUE), clip_receive_viking, vlp );
303 /*********************************************************************************
304 ** public functions **
305 *********************************************************************************/
308 * make a copy of selected object and associate ourselves with the clipboard
310 void a_clipboard_copy_selected ( VikLayersPanel *vlp )
312 VikLayer *sel = vik_layers_panel_get_selected ( vlp );
314 VikClipboardDataType type;
315 guint16 layer_type = 0;
323 vik_treeview_get_selected_iter ( sel->vt, &iter );
324 layer_type = sel->type;
326 if ( vik_treeview_item_get_type ( sel->vt, &iter ) == VIK_TREEVIEW_TYPE_SUBLAYER ) {
327 type = VIK_CLIPBOARD_DATA_SUBLAYER;
328 if ( vik_layer_get_interface(layer_type)->copy_item) {
329 subtype = vik_treeview_item_get_data(sel->vt, &iter);
330 vik_layer_get_interface(layer_type)->copy_item(sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter), &data, &len );
336 type = VIK_CLIPBOARD_DATA_LAYER;
337 vik_layer_marshall ( sel, &data, &ilen );
342 a_clipboard_copy( type, layer_type, subtype, len, data);
346 void a_clipboard_copy( VikClipboardDataType type, guint16 layer_type, gint subtype, guint len, guint8 * data)
348 vik_clipboard_t * vc = g_malloc(sizeof(*vc) + len);
349 GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD );
352 vc->layer_type = layer_type;
353 vc->subtype = subtype;
355 memcpy(vc->data, data, len);
358 gtk_clipboard_set_with_data ( c, target_table, G_N_ELEMENTS(target_table), clip_get, clip_clear, vc );
362 * to deal with multiple data types, we first request the type of data on the clipboard,
363 * and handle them in the callback
365 gboolean a_clipboard_paste ( VikLayersPanel *vlp )
367 GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD );
368 gtk_clipboard_request_targets ( c, clip_receive_targets, vlp );