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 a %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
);
325 if ( vik_treeview_item_get_type ( sel
->vt
, &iter
) == VIK_TREEVIEW_TYPE_SUBLAYER
) {
326 type
= VIK_CLIPBOARD_DATA_SUBLAYER
;
327 layer_type
= sel
->type
;
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
);