*
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include <glib/gi18n.h>
+
#include "viking.h"
-/* static for a very good reason -- share between windows */
-#define DATA_NONE 0
-#define DATA_LAYER 1
-#define DATA_SUBLAYER 2
+typedef struct {
+ gpointer clipboard;
+ gint pid;
+ VikClipboardDataType type;
+ gint subtype;
+ guint16 layer_type;
+ guint len;
+ guint8 data[0];
+} vik_clipboard_t;
+
+static GtkTargetEntry target_table[] = {
+ { "application/viking", 0, 0 },
+ { "STRING", 0, 1 },
+};
-guint8 type = DATA_NONE;
-gint subtype;
-guint16 layer_type;
-gpointer clipboard;
+/*****************************************************************
+ ** functions which send to the clipboard client (we are owner) **
+ *****************************************************************/
-void a_clipboard_copy ( VikLayersPanel *vlp )
+static void clip_get ( GtkClipboard *c, GtkSelectionData *selection_data, guint info, gpointer p )
{
- VikLayer *sel = vik_layers_panel_get_selected ( vlp );
- GtkTreeIter iter;
- if ( ! sel )
+ vik_clipboard_t *vc = p;
+ if (info==0) {
+ // g_print("clip_get: vc = %p, size = %d\n", vc, sizeof(*vc) + vc->len);
+ gtk_selection_data_set ( selection_data, selection_data->target, 8, (void *)vc, sizeof(*vc) + vc->len );
+ }
+}
+
+static void clip_clear ( GtkClipboard *c, gpointer p )
+{
+ g_free(p);
+}
+
+
+/**************************************************************************
+ ** functions which receive from the clipboard owner (we are the client) **
+ **************************************************************************/
+
+/* our own data type */
+static void clip_receive_viking ( GtkClipboard *c, GtkSelectionData *sd, gpointer p )
+{
+ VikLayersPanel *vlp = p;
+ vik_clipboard_t *vc;
+ if (sd->length == -1) {
+ g_warning ( _("paste failed") );
return;
+ }
+ // g_print("clip receive: target = %s, type = %s\n", gdk_atom_name(sd->target), gdk_atom_name(sd->type));
+ g_assert(!strcmp(gdk_atom_name(sd->target), target_table[0].target));
- vik_treeview_get_selected_iter ( sel->vt, &iter );
+ vc = (vik_clipboard_t *)sd->data;
+ // g_print(" sd->data = %p, sd->length = %d, vc->len = %d\n", sd->data, sd->length, vc->len);
- if ( clipboard )
- a_clipboard_uninit();
+ if (sd->length != sizeof(*vc) + vc->len) {
+ g_warning ( _("wrong clipboard data size") );
+ return;
+ }
- if ( vik_treeview_item_get_type ( sel->vt, &iter ) == VIK_TREEVIEW_TYPE_SUBLAYER )
+ if ( vc->type == VIK_CLIPBOARD_DATA_LAYER )
{
- layer_type = sel->type;
- if ( vik_layer_get_interface(layer_type)->copy_item && (clipboard = vik_layer_get_interface(layer_type)->
- copy_item(sel,subtype=vik_treeview_item_get_data(sel->vt,&iter),vik_treeview_item_get_pointer(sel->vt,&iter)) ))
- type = DATA_SUBLAYER;
+ VikLayer *new_layer = vik_layer_unmarshall ( vc->data, vc->len, vik_layers_panel_get_viewport(vlp) );
+ vik_layers_panel_add_layer ( vlp, new_layer );
}
- else
+ else if ( vc->type == VIK_CLIPBOARD_DATA_SUBLAYER )
{
- clipboard = sel;
- g_object_ref ( G_OBJECT(sel) );
- type = DATA_LAYER;
+ VikLayer *sel = vik_layers_panel_get_selected ( vlp );
+ if ( sel && sel->type == vc->layer_type)
+ {
+ if ( vik_layer_get_interface(vc->layer_type)->paste_item )
+ vik_layer_get_interface(vc->layer_type)->paste_item ( sel, vc->subtype, vc->data, vc->len);
+ }
+ else
+ a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(GTK_WIDGET(vlp)),
+ _("The clipboard contains sublayer data for a %s layers."
+ "You must select a layer of this type to paste the clipboard data."),
+ vik_layer_get_interface(vc->layer_type)->name );
}
}
-gboolean a_clipboard_paste ( VikLayersPanel *vlp )
+
+
+/*
+ * utility func to handle pasted text:
+ * search for N dd.dddddd W dd.dddddd, N dd° dd.dddd W dd° dd.ddddd and so forth
+ */
+static gboolean clip_parse_latlon ( const gchar *text, struct LatLon *coord )
{
- if ( clipboard && type == DATA_LAYER )
- {
- /* oooh, _private_ ... so sue me, there's no other way to do this. */
- if ( G_OBJECT(clipboard)->ref_count == 1 )
- { /* optimization -- if layer has been deleted, don't copy the layer. */
- g_object_ref ( G_OBJECT(clipboard) );
- vik_layers_panel_add_layer ( vlp, VIK_LAYER(clipboard) );
- return TRUE;
- }
- else
- {
- VikLayer *new_layer = vik_layer_copy ( VIK_LAYER(clipboard), vik_layers_panel_get_viewport(vlp) );
- if ( new_layer )
- {
- vik_layers_panel_add_layer ( vlp, new_layer );
- return TRUE;
+ gint latdeg, londeg;
+ gdouble latm, lonm;
+ gdouble lat, lon;
+ gchar *cand;
+ gint len, i;
+ gchar *s = g_strdup(text);
+
+ // g_print("parsing %s\n", s);
+
+ len = strlen(s);
+
+ /* remove non-digits following digits; gets rid of degree symbols or whatever people use, and
+ * punctuation
+ */
+ for (i=0; i<len-2; i++) {
+ if (g_ascii_isdigit (s[i]) && s[i+1] != '.' && !g_ascii_isdigit (s[i+1])) {
+ s[i+1] = ' ';
+ if (!g_ascii_isalnum (s[i+2]) && s[i+2] != '-') {
+ s[i+2] = ' ';
}
}
}
- else if ( clipboard && type == DATA_SUBLAYER )
- {
- VikLayer *sel = vik_layers_panel_get_selected ( vlp );
- if ( sel && sel->type == layer_type)
- {
- if ( vik_layer_get_interface(layer_type)->paste_item )
- return vik_layer_get_interface(layer_type)->paste_item ( sel, subtype, clipboard );
+
+ /* now try reading coordinates */
+ for (i=0; i<len; i++) {
+ if (s[i] == 'N' || s[i] == 'S' || g_ascii_isdigit (s[i])) {
+ gchar latc[2] = "SN";
+ gchar lonc[2] = "WE";
+ gint j, k;
+ cand = s+i;
+
+ for (j=0; j<2; j++) {
+ for (k=0; k<2; k++) {
+ gchar fmt1[] = "N %d%*[ ]%lf W %d%*[ ]%lf";
+ gchar fmt2[] = "%d%*[ ]%lf N %d%*[ ]%lf W";
+ gchar fmt3[] = "N %lf W %lf";
+ gchar fmt4[] = "%lf N %lf W";
+
+ fmt1[0] = latc[j]; fmt1[13] = lonc[k];
+ fmt2[11] = latc[j]; fmt2[24] = lonc[k];
+ fmt3[0] = latc[j]; fmt3[6] = lonc[k];
+ fmt4[4] = latc[j]; fmt4[10] = lonc[k];
+
+ if (sscanf(cand, fmt1, &latdeg, &latm, &londeg, &lonm) == 4 ||
+ sscanf(cand, fmt2, &latdeg, &latm, &londeg, &lonm) == 4) {
+ lat = (j*2-1) * (latdeg + latm / 60);
+ lon = (k*2-1) * (londeg + lonm / 60);
+ break;
+ }
+ if (sscanf(cand, fmt3, &lat, &lon) == 2 ||
+ sscanf(cand, fmt4, &lat, &lon) == 2) {
+ lat *= (j*2-1);
+ lon *= (k*2-1);
+ break;
+ }
+ }
+ if (k!=2) break;
+ }
+ if (j!=2) break;
+
+ if (sscanf(cand, "%d%*[ ]%lf %d%*[ ]%lf", &latdeg, &latm, &londeg, &lonm) == 4) {
+ lat = latdeg/abs(latdeg) * (abs(latdeg) + latm / 60);
+ lon = londeg/abs(londeg) * (abs(londeg) + lonm / 60);
+ break;
+ }
+ if (sscanf(cand, "%lf %lf", &lat, &lon) == 2) {
+ break;
+ }
}
- else
- a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(GTK_WIDGET(vlp)), "The clipboard contains sublayer data for a %s layers. You must select a layer of this type to paste the clipboard data.", vik_layer_get_interface(layer_type)->name );
- return FALSE;
+ }
+ g_free(s);
+
+ /* did we get to the end without actually finding a coordinate? */
+ if (i<len && lat >= -90.0 && lat <= 90.0 && lon >= -180.0 && lon <= 180.0) {
+ coord->lat = lat;
+ coord->lon = lon;
+ return TRUE;
}
return FALSE;
}
-void a_clipboard_uninit ()
+static void clip_add_wp(VikLayersPanel *vlp, struct LatLon *coord)
{
- if ( clipboard && type == DATA_LAYER )
- g_object_unref ( G_OBJECT(clipboard) );
- else if ( clipboard && type == DATA_SUBLAYER )
- if ( vik_layer_get_interface(layer_type)->free_copied_item )
- vik_layer_get_interface(layer_type)->free_copied_item(subtype,clipboard);
- clipboard = NULL;
- type = DATA_NONE;
+ VikCoord vc;
+ VikLayer *sel = vik_layers_panel_get_selected ( vlp );
+
+
+ vik_coord_load_from_latlon ( &vc, VIK_COORD_LATLON, coord );
+
+ if (sel && sel->type == VIK_LAYER_TRW) {
+ vik_trw_layer_new_waypoint ( VIK_TRW_LAYER(sel), VIK_GTK_WINDOW_FROM_LAYER(sel), &vc );
+ } else {
+ 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);
+ }
}
+
+static void clip_receive_text (GtkClipboard *c, const gchar *text, gpointer p)
+{
+ VikLayersPanel *vlp = p;
+ struct LatLon coord;
+ // g_print("got text: %s\n", text);
+ if (clip_parse_latlon(text, &coord)) {
+ clip_add_wp(vlp, &coord);
+ }
+}
+
+static void clip_receive_html ( GtkClipboard *c, GtkSelectionData *sd, gpointer p )
+{
+ VikLayersPanel *vlp = p;
+ gsize r, w;
+ GError *err = NULL;
+ gchar *s, *span;
+ gint tag = 0, i;
+ struct LatLon coord;
+
+ if (sd->length == -1) {
+ return;
+ }
+
+ /* - copying from Mozilla seems to give html in UTF-16. */
+ if (!(s = g_convert ( (gchar *)sd->data, sd->length, "UTF-8", "UTF-16", &r, &w, &err))) {
+ return;
+ }
+ // g_print("html is %d bytes long: %s\n", sd->length, s);
+
+ /* scrape a coordinate pasted from a geocaching.com page: look for a
+ * telltale tag if possible, and then remove tags
+ */
+ if (!(span = g_strstr_len(s, w, "<span id=\"LatLon\">"))) {
+ span = s;
+ }
+ for (i=0; i<strlen(span); i++) {
+ gchar c = span[i];
+ if (c == '<') {
+ tag++;
+ }
+ if (tag>0) {
+ span[i] = ' ';
+ }
+ if (c == '>') {
+ if (tag>0) tag--;
+ }
+ }
+ if (clip_parse_latlon(span, &coord)) {
+ clip_add_wp(vlp, &coord);
+ }
+
+ g_free(s);
+}
+
+/*
+ * deal with various data types a clipboard may hold
+ */
+void clip_receive_targets ( GtkClipboard *c, GdkAtom *a, gint n, gpointer p )
+{
+ VikLayersPanel *vlp = p;
+ gint i;
+
+ /* g_print("got targets\n"); */
+ for (i=0; i<n; i++) {
+ /* g_print(" ""%s""\n", gdk_atom_name(a[i])); */
+ if (!strcmp(gdk_atom_name(a[i]), "text/html")) {
+ gtk_clipboard_request_contents ( c, gdk_atom_intern("text/html", TRUE), clip_receive_html, vlp );
+ break;
+ }
+ if (a[i] == GDK_TARGET_STRING) {
+ gtk_clipboard_request_text ( c, clip_receive_text, vlp );
+ break;
+ }
+ if (!strcmp(gdk_atom_name(a[i]), "application/viking")) {
+ gtk_clipboard_request_contents ( c, gdk_atom_intern("application/viking", TRUE), clip_receive_viking, vlp );
+ break;
+ }
+ }
+}
+
+/*********************************************************************************
+ ** public functions **
+ *********************************************************************************/
+
+/*
+ * make a copy of selected object and associate ourselves with the clipboard
+ */
+void a_clipboard_copy_selected ( VikLayersPanel *vlp )
+{
+ VikLayer *sel = vik_layers_panel_get_selected ( vlp );
+ GtkTreeIter iter;
+ VikClipboardDataType type;
+ guint16 layer_type = 0;
+ gint subtype = 0;
+ guint8 *data = NULL;
+ guint len;
+
+ if ( ! sel )
+ return;
+
+ vik_treeview_get_selected_iter ( sel->vt, &iter );
+
+ if ( vik_treeview_item_get_type ( sel->vt, &iter ) == VIK_TREEVIEW_TYPE_SUBLAYER ) {
+ type = VIK_CLIPBOARD_DATA_SUBLAYER;
+ layer_type = sel->type;
+ if ( vik_layer_get_interface(layer_type)->copy_item) {
+ subtype = vik_treeview_item_get_data(sel->vt, &iter);
+ vik_layer_get_interface(layer_type)->copy_item(sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter), &data, &len );
+ }
+ }
+ else
+ {
+ gint ilen;
+ type = VIK_CLIPBOARD_DATA_LAYER;
+ vik_layer_marshall ( sel, &data, &ilen );
+ len = ilen;
+ }
+
+ if (data)
+ a_clipboard_copy( type, layer_type, subtype, len, data);
+
+}
+
+void a_clipboard_copy( VikClipboardDataType type, guint16 layer_type, gint subtype, guint len, guint8 * data)
+{
+ vik_clipboard_t * vc = g_malloc(sizeof(*vc) + len);
+ GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD );
+
+ vc->type = type;
+ vc->layer_type = layer_type;
+ vc->subtype = subtype;
+ vc->len = len;
+ memcpy(vc->data, data, len);
+ g_free(data);
+ vc->pid = getpid();
+ gtk_clipboard_set_with_data ( c, target_table, G_N_ELEMENTS(target_table), clip_get, clip_clear, vc );
+}
+
+/*
+ * to deal with multiple data types, we first request the type of data on the clipboard,
+ * and handle them in the callback
+ */
+gboolean a_clipboard_paste ( VikLayersPanel *vlp )
+{
+ GtkClipboard *c = gtk_clipboard_get ( GDK_SELECTION_CLIPBOARD );
+ gtk_clipboard_request_targets ( c, clip_receive_targets, vlp );
+ return TRUE;
+}
+