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Group "Export Layer" entries in a submenu
[viking.git] / src / viktrwlayer.c
blob48b8471ca5381cef2058f336869aa59f9d0ca79e
1 /*
2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
3 *
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5 *
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.
10 *
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.
15 *
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
19 *
20 */
21
22 #define WAYPOINT_FONT "Sans 8"
23
24 /* WARNING: If you go beyond this point, we are NOT responsible for any ill effects on your sanity */
25 /* viktrwlayer.c -- 2200 lines can make a difference in the state of things */
26
27 #include "viking.h"
28 #include "vikmapslayer.h"
29 #include "viktrwlayer_pixmap.h"
30 #include "viktrwlayer_tpwin.h"
31 #include "viktrwlayer_propwin.h"
32 #include "garminsymbols.h"
33 #include "thumbnails.h"
34 #include "background.h"
35 #include "gpx.h"
36 #include "babel.h"
37 #include "dem.h"
38 #include "dems.h"
39
40
41 #include <math.h>
42 #include <string.h>
43 #include <stdlib.h>
44 #include <ctype.h>
45
46 #define GOOGLE_DIRECTIONS_STRING "(wget -O - \"http://maps.google.com/maps?q=%f,%f to %f,%f&output=js\" 2>/dev/null)"
47 #define VIK_TRW_LAYER_TRACK_GC 13
48 #define VIK_TRW_LAYER_TRACK_GC_RATES 10
49 #define VIK_TRW_LAYER_TRACK_GC_MIN 0
50 #define VIK_TRW_LAYER_TRACK_GC_MAX 11
51 #define VIK_TRW_LAYER_TRACK_GC_BLACK 12
52
53 #define DRAWMODE_BY_TRACK 0
54 #define DRAWMODE_BY_VELOCITY 1
55 #define DRAWMODE_ALL_BLACK 2
56
57 #define POINTS 1
58 #define LINES 2
59
60 /* this is how it knows when you click if you are clicking close to a trackpoint. */
61 #define TRACKPOINT_SIZE_APPROX 5
62 #define WAYPOINT_SIZE_APPROX 5
63
64 #define MIN_STOP_LENGTH 15
65 #define MAX_STOP_LENGTH 86400
66 #define DRAW_ELEVATION_FACTOR 30 /* height of elevation plotting, sort of relative to zoom level ("mpp" that isn't mpp necessarily) */
67 /* this is multiplied by user-inputted value from 1-100. */
68 enum {
69 VIK_TRW_LAYER_SUBLAYER_TRACKS,
70 VIK_TRW_LAYER_SUBLAYER_WAYPOINTS,
71 VIK_TRW_LAYER_SUBLAYER_TRACK,
72 VIK_TRW_LAYER_SUBLAYER_WAYPOINT
73 };
74
75 enum { WP_SYMBOL_FILLED_SQUARE, WP_SYMBOL_SQUARE, WP_SYMBOL_CIRCLE, WP_SYMBOL_X, WP_NUM_SYMBOLS };
76
77 struct _VikTrwLayer {
78 VikLayer vl;
79 GHashTable *tracks;
80 GHashTable *tracks_iters;
81 GHashTable *waypoints_iters;
82 GHashTable *waypoints;
83 GtkTreeIter waypoints_iter, tracks_iter;
84 gboolean tracks_visible, waypoints_visible;
85 guint8 drawmode;
86 guint8 drawpoints;
87 guint8 drawelevation;
88 guint8 elevation_factor;
89 guint8 drawstops;
90 guint32 stop_length;
91 guint8 drawlines;
92 guint8 line_thickness;
93 guint8 bg_line_thickness;
94
95 guint8 wp_symbol;
96 guint8 wp_size;
97 gboolean wp_draw_symbols;
98
99 gdouble velocity_min, velocity_max;
100 GArray *track_gc;
101 guint16 track_gc_iter;
102 GdkGC *track_bg_gc;
103 GdkGC *waypoint_gc;
104 GdkGC *waypoint_text_gc;
105 GdkGC *waypoint_bg_gc;
106 GdkFont *waypoint_font;
107 VikTrack *current_track;
108 guint16 ct_x1, ct_y1, ct_x2, ct_y2;
109
110 VikCoordMode coord_mode;
111
112 /* wp editing tool */
113 VikWaypoint *current_wp;
114 gchar *current_wp_name;
115 gboolean moving_wp;
116 gboolean waypoint_rightclick;
117
118 /* track editing tool */
119 GList *current_tpl;
120 gchar *current_tp_track_name;
121 VikTrwLayerTpwin *tpwin;
122
123 /* weird hack for joining tracks */
124 GList *last_tpl;
125 gchar *last_tp_track_name;
126
127 /* track editing tool -- more specifically, moving tps */
128 gboolean moving_tp;
129
130 /* magic scissors tool */
131 gboolean magic_scissors_started;
132 VikCoord magic_scissors_coord;
133
134 gboolean drawlabels;
135 gboolean drawimages;
136 guint8 image_alpha;
137 GQueue *image_cache;
138 guint8 image_size;
139 guint16 image_cache_size;
140
141 /* for waypoint text */
142 PangoLayout *wplabellayout;
143
144 gboolean has_verified_thumbnails;
145
146 GtkMenu *wp_right_click_menu;
147
148 /* menu */
149 VikStdLayerMenuItem menu_selection;
150
151 };
152
153 /* A caached waypoint image. */
154 typedef struct {
155 GdkPixbuf *pixbuf;
156 gchar *image; /* filename */
157 } CachedPixbuf;
158
159 struct DrawingParams {
160 VikViewport *vp;
161 VikTrwLayer *vtl;
162 gdouble xmpp, ympp;
163 guint16 width, height;
164 const VikCoord *center;
165 gint track_gc_iter;
166 gboolean one_zone, lat_lon;
167 gdouble ce1, ce2, cn1, cn2;
168 };
169
170 static void vik_trw_layer_set_menu_selection(VikTrwLayer *vtl, guint16);
171 static guint16 vik_trw_layer_get_menu_selection(VikTrwLayer *vtl);
172
173 static void trw_layer_delete_item ( gpointer *pass_along );
174 static void trw_layer_copy_item_cb( gpointer *pass_along);
175 static void trw_layer_cut_item_cb( gpointer *pass_along);
176
177 static void trw_layer_find_maxmin_waypoints ( const gchar *name, const VikWaypoint *w, struct LatLon maxmin[2] );
178 static void trw_layer_find_maxmin_tracks ( const gchar *name, GList **t, struct LatLon maxmin[2] );
179
180 static void trw_layer_new_track_gcs ( VikTrwLayer *vtl, VikViewport *vp );
181 static void trw_layer_free_track_gcs ( VikTrwLayer *vtl );
182
183 static gint calculate_velocity ( VikTrwLayer *vtl, VikTrackpoint *tp1, VikTrackpoint *tp2 );
184 static void trw_layer_draw_track_cb ( const gchar *name, VikTrack *track, struct DrawingParams *dp );
185 static void trw_layer_draw_waypoint ( const gchar *name, VikWaypoint *wp, struct DrawingParams *dp );
186
187 static void goto_coord ( VikLayersPanel *vlp, const VikCoord *coord );
188 static void trw_layer_goto_track_startpoint ( gpointer pass_along[5] );
189 static void trw_layer_goto_track_endpoint ( gpointer pass_along[6] );
190 static void trw_layer_merge_by_timestamp ( gpointer pass_along[6] );
191 static void trw_layer_split_by_timestamp ( gpointer pass_along[6] );
192 static void trw_layer_download_map_along_track_cb(gpointer pass_along[6]);
193 static void trw_layer_centerize ( gpointer layer_and_vlp[2] );
194 static void trw_layer_export ( gpointer layer_and_vlp[2], guint file_type );
195 static void trw_layer_goto_wp ( gpointer layer_and_vlp[2] );
196 static void trw_layer_new_wp ( gpointer lav[2] );
197
198 /* pop-up items */
199 static void trw_layer_properties_item ( gpointer pass_along[5] );
200 static void trw_layer_goto_waypoint ( gpointer pass_along[5] );
201 static void trw_layer_waypoint_gc_webpage ( gpointer pass_along[5] );
202
203 static void trw_layer_realize_waypoint ( gchar *name, VikWaypoint *wp, gpointer pass_along[4] );
204 static void trw_layer_realize_track ( gchar *name, VikTrack *track, gpointer pass_along[4] );
205 static void init_drawing_params ( struct DrawingParams *dp, VikViewport *vp );
206
207
208 static VikTrwLayer *trw_layer_copy ( VikTrwLayer *vtl, gpointer vp );
209 static void trw_layer_marshall( VikTrwLayer *vtl, guint8 **data, gint *len );
210 static VikTrwLayer *trw_layer_unmarshall( gpointer data, gint len, VikViewport *vvp );
211
212 static gboolean trw_layer_set_param ( VikTrwLayer *vtl, guint16 id, VikLayerParamData data, VikViewport *vp );
213 static VikLayerParamData trw_layer_get_param ( VikTrwLayer *vtl, guint16 id );
214
215 static void trw_layer_del_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer );
216 static void trw_layer_copy_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer, guint8 **item, guint *len );
217 static gboolean trw_layer_paste_item ( VikTrwLayer *vtl, gint subtype, guint8 *item, guint len );
218 static void trw_layer_free_copied_item ( gint subtype, gpointer item );
219 static void trw_layer_drag_drop_request ( VikTrwLayer *vtl_src, VikTrwLayer *vtl_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
220
221 static void trw_layer_cancel_tps_of_track ( VikTrwLayer *vtl, const gchar *trk_name );
222 static void trw_layer_cancel_last_tp ( VikTrwLayer *vtl );
223 static void trw_layer_cancel_current_tp ( VikTrwLayer *vtl, gboolean destroy );
224 static void trw_layer_tpwin_response ( VikTrwLayer *vtl, gint response );
225 static void trw_layer_tpwin_init ( VikTrwLayer *vtl );
226
227 static gpointer tool_edit_trackpoint_create ( VikWindow *vw, VikViewport *vvp);
228 static gboolean tool_edit_trackpoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
229 static gboolean tool_edit_trackpoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
230 static gboolean tool_edit_trackpoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
231 static gpointer tool_show_picture_create ( VikWindow *vw, VikViewport *vvp);
232 static gboolean tool_show_picture_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
233 static gpointer tool_edit_waypoint_create ( VikWindow *vw, VikViewport *vvp);
234 static gboolean tool_edit_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
235 static gboolean tool_edit_waypoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
236 static gboolean tool_edit_waypoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
237 static gpointer tool_new_track_create ( VikWindow *vw, VikViewport *vvp);
238 static gboolean tool_new_track_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
239 static gpointer tool_new_waypoint_create ( VikWindow *vw, VikViewport *vvp);
240 static gboolean tool_new_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
241 static gpointer tool_magic_scissors_create ( VikWindow *vw, VikViewport *vvp);
242 static gboolean tool_magic_scissors_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
243
244
245 static gboolean uppercase_exists_in_hash ( GHashTable *hash, const gchar *str );
246
247 static void cached_pixbuf_free ( CachedPixbuf *cp );
248 static gint cached_pixbuf_cmp ( CachedPixbuf *cp, const gchar *name );
249 static void trw_layer_verify_thumbnails ( VikTrwLayer *vtl, GtkWidget *vp );
250
251 static VikTrackpoint *closest_tp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y );
252 static VikWaypoint *closest_wp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y );
253
254 static void trw_layer_change_coord_mode ( VikTrwLayer *vtl, VikCoordMode dest_mode );
255
256 static gchar *get_new_unique_sublayer_name (VikTrwLayer *vtl, gint sublayer_type, const gchar *name);
257 static void waypoint_convert ( const gchar *name, VikWaypoint *wp, VikCoordMode *dest_mode );
258 static void track_convert ( const gchar *name, VikTrack *tr, VikCoordMode *dest_mode );
259
260 static VikToolInterface trw_layer_tools[] = {
261 { "Create Waypoint", (VikToolConstructorFunc) tool_new_waypoint_create, NULL, NULL, NULL,
262 (VikToolMouseFunc) tool_new_waypoint_click, NULL, NULL },
263
264 { "Create Track", (VikToolConstructorFunc) tool_new_track_create, NULL, NULL, NULL,
265 (VikToolMouseFunc) tool_new_track_click, NULL, NULL },
266
267 { "Edit Waypoint", (VikToolConstructorFunc) tool_edit_waypoint_create, NULL, NULL, NULL,
268 (VikToolMouseFunc) tool_edit_waypoint_click,
269 (VikToolMouseFunc) tool_edit_waypoint_move,
270 (VikToolMouseFunc) tool_edit_waypoint_release },
271
272 { "Edit Trackpoint", (VikToolConstructorFunc) tool_edit_trackpoint_create, NULL, NULL, NULL,
273 (VikToolMouseFunc) tool_edit_trackpoint_click,
274 (VikToolMouseFunc) tool_edit_trackpoint_move,
275 (VikToolMouseFunc) tool_edit_trackpoint_release },
276
277 { "Show Picture", (VikToolConstructorFunc) tool_show_picture_create, NULL, NULL, NULL,
278 (VikToolMouseFunc) tool_show_picture_click, NULL, NULL },
279
280 { "Magic Scissors", (VikToolConstructorFunc) tool_magic_scissors_create, NULL, NULL, NULL,
281 (VikToolMouseFunc) tool_magic_scissors_click, NULL, NULL },
282 };
283
284 /****** PARAMETERS ******/
285
286 static gchar *params_groups[] = { "Waypoints", "Tracks", "Waypoint Images" };
287 enum { GROUP_WAYPOINTS, GROUP_TRACKS, GROUP_IMAGES };
288
289 static gchar *params_drawmodes[] = { "Draw by Track", "Draw by Velocity", "All Tracks Black", 0 };
290 static gchar *params_wpsymbols[] = { "Filled Square", "Square", "Circle", "X", 0 };
291
292
293 static VikLayerParamScale params_scales[] = {
294 /* min max step digits */
295 { 1, 10, 1, 0 }, /* line_thickness */
296 { 0.0, 99.0, 1, 2 }, /* velocity_min */
297 { 1.0, 100.0, 1.0, 2 }, /* velocity_max */
298 /* 5 * step == how much to turn */
299 { 16, 128, 3.2, 0 }, /* image_size */
300 { 0, 255, 5, 0 }, /* image alpha */
301 { 5, 500, 5, 0 }, /* image cache_size */
302 { 0, 8, 1, 0 }, /* image cache_size */
303 { 1, 64, 1, 0 }, /* wpsize */
304 { MIN_STOP_LENGTH, MAX_STOP_LENGTH, 1, 0 }, /* stop_length */
305 { 1, 100, 1, 0 }, /* stop_length */
306 };
307
308 VikLayerParam trw_layer_params[] = {
309 { "tracks_visible", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_NOT_IN_PROPERTIES },
310 { "waypoints_visible", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_NOT_IN_PROPERTIES },
311
312 { "drawmode", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track Drawing Mode:", VIK_LAYER_WIDGET_RADIOGROUP, NULL },
313 { "drawlines", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Track Lines", VIK_LAYER_WIDGET_CHECKBUTTON },
314 { "drawpoints", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Trackpoints", VIK_LAYER_WIDGET_CHECKBUTTON },
315 { "drawelevation", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Elevation", VIK_LAYER_WIDGET_CHECKBUTTON },
316 { "elevation_factor", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Draw Elevation Height %:", VIK_LAYER_WIDGET_HSCALE, params_scales + 9 },
317
318 { "drawstops", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Stops", VIK_LAYER_WIDGET_CHECKBUTTON },
319 { "stop_length", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Min Stop Length (seconds):", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 8 },
320
321 { "line_thickness", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track Thickness:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 0 },
322 { "bg_line_thickness", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track BG Thickness:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 6 },
323 { "trackbgcolor", VIK_LAYER_PARAM_COLOR, GROUP_TRACKS, "Track Background Color", VIK_LAYER_WIDGET_COLOR, 0 },
324 { "velocity_min", VIK_LAYER_PARAM_DOUBLE, GROUP_TRACKS, "Min Track Velocity:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 1 },
325 { "velocity_max", VIK_LAYER_PARAM_DOUBLE, GROUP_TRACKS, "Max Track Velocity:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 2 },
326
327 { "drawlabels", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Draw Labels", VIK_LAYER_WIDGET_CHECKBUTTON },
328 { "wpcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Waypoint Color:", VIK_LAYER_WIDGET_COLOR, 0 },
329 { "wptextcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Waypoint Text:", VIK_LAYER_WIDGET_COLOR, 0 },
330 { "wpbgcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Background:", VIK_LAYER_WIDGET_COLOR, 0 },
331 { "wpbgand", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Fake BG Color Translucency:", VIK_LAYER_WIDGET_CHECKBUTTON, 0 },
332 { "wpsymbol", VIK_LAYER_PARAM_UINT, GROUP_WAYPOINTS, "Waypoint marker:", VIK_LAYER_WIDGET_RADIOGROUP, NULL },
333 { "wpsize", VIK_LAYER_PARAM_UINT, GROUP_WAYPOINTS, "Waypoint size:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 7 },
334 { "wpsyms", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Draw Waypoint Symbols:", VIK_LAYER_WIDGET_CHECKBUTTON },
335
336 { "drawimages", VIK_LAYER_PARAM_BOOLEAN, GROUP_IMAGES, "Draw Waypoint Images", VIK_LAYER_WIDGET_CHECKBUTTON },
337 { "image_size", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Size (pixels):", VIK_LAYER_WIDGET_HSCALE, params_scales + 3 },
338 { "image_alpha", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Alpha:", VIK_LAYER_WIDGET_HSCALE, params_scales + 4 },
339 { "image_cache_size", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Memory Cache Size:", VIK_LAYER_WIDGET_HSCALE, params_scales + 5 },
340 };
341
342 enum { PARAM_TV, PARAM_WV, PARAM_DM, PARAM_DL, PARAM_DP, PARAM_DE, PARAM_EF, PARAM_DS, PARAM_SL, PARAM_LT, PARAM_BLT, PARAM_TBGC, PARAM_VMIN, PARAM_VMAX, PARAM_DLA, PARAM_WPC, PARAM_WPTC, PARAM_WPBC, PARAM_WPBA, PARAM_WPSYM, PARAM_WPSIZE, PARAM_WPSYMS, PARAM_DI, PARAM_IS, PARAM_IA, PARAM_ICS, NUM_PARAMS };
343
344 /*** TO ADD A PARAM:
345 *** 1) Add to trw_layer_params and enumeration
346 *** 2) Handle in get_param & set_param (presumably adding on to VikTrwLayer struct)
347 ***/
348
349 /****** END PARAMETERS ******/
350
351 VikLayerInterface vik_trw_layer_interface = {
352 "TrackWaypoint",
353 &trwlayer_pixbuf,
354
355 trw_layer_tools,
356 sizeof(trw_layer_tools) / sizeof(VikToolInterface),
357
358 trw_layer_params,
359 NUM_PARAMS,
360 params_groups, /* params_groups */
361 sizeof(params_groups)/sizeof(params_groups[0]), /* number of groups */
362
363 VIK_MENU_ITEM_ALL,
364
365 (VikLayerFuncCreate) vik_trw_layer_create,
366 (VikLayerFuncRealize) vik_trw_layer_realize,
367 (VikLayerFuncPostRead) trw_layer_verify_thumbnails,
368 (VikLayerFuncFree) vik_trw_layer_free,
369
370 (VikLayerFuncProperties) NULL,
371 (VikLayerFuncDraw) vik_trw_layer_draw,
372 (VikLayerFuncChangeCoordMode) trw_layer_change_coord_mode,
373
374 (VikLayerFuncSetMenuItemsSelection) vik_trw_layer_set_menu_selection,
375 (VikLayerFuncGetMenuItemsSelection) vik_trw_layer_get_menu_selection,
376
377 (VikLayerFuncAddMenuItems) vik_trw_layer_add_menu_items,
378 (VikLayerFuncSublayerAddMenuItems) vik_trw_layer_sublayer_add_menu_items,
379
380 (VikLayerFuncSublayerRenameRequest) vik_trw_layer_sublayer_rename_request,
381 (VikLayerFuncSublayerToggleVisible) vik_trw_layer_sublayer_toggle_visible,
382
383 (VikLayerFuncCopy) trw_layer_copy,
384 (VikLayerFuncMarshall) trw_layer_marshall,
385 (VikLayerFuncUnmarshall) trw_layer_unmarshall,
386
387 (VikLayerFuncSetParam) trw_layer_set_param,
388 (VikLayerFuncGetParam) trw_layer_get_param,
389
390 (VikLayerFuncReadFileData) a_gpspoint_read_file,
391 (VikLayerFuncWriteFileData) a_gpspoint_write_file,
392
393 (VikLayerFuncDeleteItem) trw_layer_del_item,
394 (VikLayerFuncCopyItem) trw_layer_copy_item,
395 (VikLayerFuncPasteItem) trw_layer_paste_item,
396 (VikLayerFuncFreeCopiedItem) trw_layer_free_copied_item,
397
398 (VikLayerFuncDragDropRequest) trw_layer_drag_drop_request,
399 };
400
401 /* for copy & paste (I think?) */
402 typedef struct {
403 guint len;
404 guint8 data[0];
405 // gchar *name;
406 // VikWaypoint *wp;
407 } FlatItem;
408
409 GType vik_trw_layer_get_type ()
410 {
411 static GType vtl_type = 0;
412
413 if (!vtl_type)
414 {
415 static const GTypeInfo vtl_info =
416 {
417 sizeof (VikTrwLayerClass),
418 NULL, /* base_init */
419 NULL, /* base_finalize */
420 NULL, /* class init */
421 NULL, /* class_finalize */
422 NULL, /* class_data */
423 sizeof (VikTrwLayer),
424 0,
425 NULL /* instance init */
426 };
427 vtl_type = g_type_register_static ( VIK_LAYER_TYPE, "VikTrwLayer", &vtl_info, 0 );
428 }
429
430 return vtl_type;
431 }
432
433 static void trw_layer_del_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer )
434 {
435 static gpointer pass_along[5];
436 if (!sublayer) {
437 return;
438 }
439
440 pass_along[0] = vtl;
441 pass_along[1] = NULL;
442 pass_along[2] = (gpointer) subtype;
443 pass_along[3] = sublayer;
444 pass_along[4] = NULL;
445
446 trw_layer_delete_item ( pass_along );
447 }
448
449 static void trw_layer_copy_item_cb( gpointer pass_along[5])
450 {
451 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
452 gint subtype = (gint)pass_along[2];
453 gpointer * sublayer = pass_along[3];
454 guint8 *data = NULL;
455 guint len;
456
457 trw_layer_copy_item( vtl, subtype, sublayer, &data, &len);
458
459 if (data) {
460 a_clipboard_copy( VIK_CLIPBOARD_DATA_SUBLAYER, VIK_LAYER_TRW,
461 subtype, len, data);
462 }
463 }
464
465 static void trw_layer_cut_item_cb( gpointer pass_along[5])
466 {
467 trw_layer_copy_item_cb(pass_along);
468 trw_layer_delete_item(pass_along);
469 }
470
471 static void trw_layer_copy_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer, guint8 **item, guint *len )
472 {
473 FlatItem *fi;
474 guint8 *id;
475 guint il;
476
477 if (!sublayer) {
478 *item = NULL;
479 return;
480 }
481
482 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
483 {
484 vik_waypoint_marshall ( g_hash_table_lookup ( vtl->waypoints, sublayer ), &id, &il );
485 } else {
486 vik_track_marshall ( g_hash_table_lookup ( vtl->tracks, sublayer ), &id, &il );
487 }
488
489 *len = sizeof(FlatItem) + strlen(sublayer) + 1 + il;
490 fi = g_malloc ( *len );
491 fi->len = strlen(sublayer) + 1;
492 memcpy(fi->data, sublayer, fi->len);
493 memcpy(fi->data + fi->len, id, il);
494 g_free(id);
495 *item = (guint8 *)fi;
496 }
497
498 static gboolean trw_layer_paste_item ( VikTrwLayer *vtl, gint subtype, guint8 *item, guint len )
499 {
500 FlatItem *fi = (FlatItem *) item;
501
502 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT && fi )
503 {
504 VikWaypoint *w;
505 gchar *name;
506
507 name = get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, (gchar *)fi->data);
508 w = vik_waypoint_unmarshall(fi->data + fi->len, len - sizeof(*fi) - fi->len);
509 vik_trw_layer_add_waypoint ( vtl, name, w );
510 waypoint_convert(name, w, &vtl->coord_mode);
511 return TRUE;
512 }
513 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK && fi )
514 {
515 VikTrack *t;
516 gchar *name;
517 name = get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_TRACK, (gchar *)fi->data);
518 t = vik_track_unmarshall(fi->data + fi->len, len - sizeof(*fi) - fi->len);
519 vik_trw_layer_add_track ( vtl, name, t );
520 track_convert(name, t, &vtl->coord_mode);
521 return TRUE;
522 }
523 return FALSE;
524 }
525
526 static void trw_layer_free_copied_item ( gint subtype, gpointer item )
527 {
528 if (item) {
529 g_free(item);
530 }
531 }
532
533 static void waypoint_copy ( const gchar *name, VikWaypoint *wp, GHashTable *dest )
534 {
535 g_hash_table_insert ( dest, g_strdup(name), vik_waypoint_copy(wp) );
536 }
537
538 static gboolean trw_layer_set_param ( VikTrwLayer *vtl, guint16 id, VikLayerParamData data, VikViewport *vp )
539 {
540 switch ( id )
541 {
542 case PARAM_TV: vtl->tracks_visible = data.b; break;
543 case PARAM_WV: vtl->waypoints_visible = data.b; break;
544 case PARAM_DM: vtl->drawmode = data.u; break;
545 case PARAM_DP: vtl->drawpoints = data.b; break;
546 case PARAM_DE: vtl->drawelevation = data.b; break;
547 case PARAM_DS: vtl->drawstops = data.b; break;
548 case PARAM_DL: vtl->drawlines = data.b; break;
549 case PARAM_SL: if ( data.u >= MIN_STOP_LENGTH && data.u <= MAX_STOP_LENGTH )
550 vtl->stop_length = data.u;
551 break;
552 case PARAM_EF: if ( data.u >= 1 && data.u <= 100 )
553 vtl->elevation_factor = data.u;
554 break;
555 case PARAM_LT: if ( data.u > 0 && data.u < 15 && data.u != vtl->line_thickness )
556 {
557 vtl->line_thickness = data.u;
558 trw_layer_new_track_gcs ( vtl, vp );
559 }
560 break;
561 case PARAM_BLT: if ( data.u > 0 && data.u <= 8 && data.u != vtl->bg_line_thickness )
562 {
563 vtl->bg_line_thickness = data.u;
564 trw_layer_new_track_gcs ( vtl, vp );
565 }
566 break;
567 case PARAM_VMIN: vtl->velocity_min = data.d; break;
568 case PARAM_VMAX: vtl->velocity_max = data.d; break;
569 case PARAM_TBGC: gdk_gc_set_rgb_fg_color(vtl->track_bg_gc, &(data.c)); break;
570 case PARAM_DLA: vtl->drawlabels = data.b; break;
571 case PARAM_DI: vtl->drawimages = data.b; break;
572 case PARAM_IS: if ( data.u != vtl->image_size )
573 {
574 vtl->image_size = data.u;
575 g_list_foreach ( vtl->image_cache->head, (GFunc) cached_pixbuf_free, NULL );
576 g_queue_free ( vtl->image_cache );
577 vtl->image_cache = g_queue_new ();
578 }
579 break;
580 case PARAM_IA: vtl->image_alpha = data.u; break;
581 case PARAM_ICS: vtl->image_cache_size = data.u;
582 while ( vtl->image_cache->length > vtl->image_cache_size ) /* if shrinking cache_size, free pixbuf ASAP */
583 cached_pixbuf_free ( g_queue_pop_tail ( vtl->image_cache ) );
584 break;
585 case PARAM_WPC: gdk_gc_set_rgb_fg_color(vtl->waypoint_gc, &(data.c)); break;
586 case PARAM_WPTC: gdk_gc_set_rgb_fg_color(vtl->waypoint_text_gc, &(data.c)); break;
587 case PARAM_WPBC: gdk_gc_set_rgb_fg_color(vtl->waypoint_bg_gc, &(data.c)); break;
588 case PARAM_WPBA: gdk_gc_set_function(vtl->waypoint_bg_gc, data.b ? GDK_AND : GDK_COPY ); break;
589 case PARAM_WPSYM: if ( data.u < WP_NUM_SYMBOLS ) vtl->wp_symbol = data.u; break;
590 case PARAM_WPSIZE: if ( data.u > 0 && data.u <= 64 ) vtl->wp_size = data.u; break;
591 case PARAM_WPSYMS: vtl->wp_draw_symbols = data.b; break;
592 }
593 return TRUE;
594 }
595
596 static VikLayerParamData trw_layer_get_param ( VikTrwLayer *vtl, guint16 id )
597 {
598 VikLayerParamData rv;
599 switch ( id )
600 {
601 case PARAM_TV: rv.b = vtl->tracks_visible; break;
602 case PARAM_WV: rv.b = vtl->waypoints_visible; break;
603 case PARAM_DM: rv.u = vtl->drawmode; break;
604 case PARAM_DP: rv.b = vtl->drawpoints; break;
605 case PARAM_DE: rv.b = vtl->drawelevation; break;
606 case PARAM_EF: rv.u = vtl->elevation_factor; break;
607 case PARAM_DS: rv.b = vtl->drawstops; break;
608 case PARAM_SL: rv.u = vtl->stop_length; break;
609 case PARAM_DL: rv.b = vtl->drawlines; break;
610 case PARAM_LT: rv.u = vtl->line_thickness; break;
611 case PARAM_BLT: rv.u = vtl->bg_line_thickness; break;
612 case PARAM_VMIN: rv.d = vtl->velocity_min; break;
613 case PARAM_VMAX: rv.d = vtl->velocity_max; break;
614 case PARAM_DLA: rv.b = vtl->drawlabels; break;
615 case PARAM_DI: rv.b = vtl->drawimages; break;
616 case PARAM_TBGC: vik_gc_get_fg_color(vtl->track_bg_gc, &(rv.c)); break;
617 case PARAM_IS: rv.u = vtl->image_size; break;
618 case PARAM_IA: rv.u = vtl->image_alpha; break;
619 case PARAM_ICS: rv.u = vtl->image_cache_size; break;
620 case PARAM_WPC: vik_gc_get_fg_color(vtl->waypoint_gc, &(rv.c)); break;
621 case PARAM_WPTC: vik_gc_get_fg_color(vtl->waypoint_text_gc, &(rv.c)); break;
622 case PARAM_WPBC: vik_gc_get_fg_color(vtl->waypoint_bg_gc, &(rv.c)); break;
623 case PARAM_WPBA: rv.b = (vik_gc_get_function(vtl->waypoint_bg_gc)==GDK_AND); break;
624 case PARAM_WPSYM: rv.u = vtl->wp_symbol; break;
625 case PARAM_WPSIZE: rv.u = vtl->wp_size; break;
626 case PARAM_WPSYMS: rv.b = vtl->wp_draw_symbols; break;
627 }
628 return rv;
629 }
630
631 static void track_copy ( const gchar *name, VikTrack *tr, GHashTable *dest )
632 {
633 g_hash_table_insert ( dest, g_strdup ( name ), vik_track_copy(tr) );
634 }
635
636 static void trw_layer_marshall( VikTrwLayer *vtl, guint8 **data, gint *len )
637 {
638 guint8 *pd, *dd;
639 gint pl, dl;
640 gchar *tmpname;
641 FILE *f;
642
643 *data = NULL;
644
645 if ((f = fdopen(g_file_open_tmp (NULL, &tmpname, NULL), "r+"))) {
646 a_gpx_write_file(vtl, f);
647 vik_layer_marshall_params(VIK_LAYER(vtl), &pd, &pl);
648 fclose(f);
649 g_file_get_contents(tmpname, (void *)&dd, (void *)&dl, NULL);
650 *len = sizeof(pl) + pl + dl;
651 *data = g_malloc(*len);
652 memcpy(*data, &pl, sizeof(pl));
653 memcpy(*data + sizeof(pl), pd, pl);
654 memcpy(*data + sizeof(pl) + pl, dd, dl);
655
656 g_free(pd);
657 g_free(dd);
658 remove(tmpname);
659 g_free(tmpname);
660 }
661 }
662
663 static VikTrwLayer *trw_layer_unmarshall( gpointer data, gint len, VikViewport *vvp )
664 {
665 VikTrwLayer *rv = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vvp, NULL, FALSE ));
666 guint pl;
667 gchar *tmpname;
668 FILE *f;
669
670
671 memcpy(&pl, data, sizeof(pl));
672 data += sizeof(pl);
673 vik_layer_unmarshall_params ( VIK_LAYER(rv), data, pl, vvp );
674 data += pl;
675
676 if (!(f = fdopen(g_file_open_tmp (NULL, &tmpname, NULL), "r+"))) {
677 g_critical("couldn't open temp file\n");
678 exit(1);
679 }
680 fwrite(data, len - pl - sizeof(pl), 1, f);
681 rewind(f);
682 a_gpx_read_file(rv, f);
683 fclose(f);
684 remove(tmpname);
685 g_free(tmpname);
686 return rv;
687 }
688
689 static VikTrwLayer *trw_layer_copy ( VikTrwLayer *vtl, gpointer vp )
690 {
691 VikTrwLayer *rv = vik_trw_layer_new ( vtl->drawmode );
692 PangoFontDescription *pfd;
693 rv->wplabellayout = gtk_widget_create_pango_layout (GTK_WIDGET(vp), NULL);
694 pfd = pango_font_description_from_string (WAYPOINT_FONT);
695 pango_layout_set_font_description (rv->wplabellayout, pfd);
696 /* freeing PangoFontDescription, cause it has been copied by prev. call */
697 pango_font_description_free (pfd);
698
699 rv->tracks_visible = vtl->tracks_visible;
700 rv->waypoints_visible = vtl->waypoints_visible;
701 rv->drawpoints = vtl->drawpoints;
702 rv->drawstops = vtl->drawstops;
703 rv->drawelevation = vtl->drawelevation;
704 rv->elevation_factor = vtl->elevation_factor;
705 rv->drawlines = vtl->drawlines;
706 rv->stop_length = vtl->stop_length;
707 rv->line_thickness = vtl->line_thickness;
708 rv->bg_line_thickness = vtl->bg_line_thickness;
709 rv->velocity_min = vtl->velocity_min;
710 rv->velocity_max = vtl->velocity_max;
711 rv->drawlabels = vtl->drawlabels;
712 rv->drawimages = vtl->drawimages;
713 rv->image_size = vtl->image_size;
714 rv->image_alpha = vtl->image_alpha;
715 rv->image_cache_size = vtl->image_cache_size;
716 rv->has_verified_thumbnails = TRUE;
717 rv->coord_mode = vtl->coord_mode;
718 rv->wp_symbol = vtl->wp_symbol;
719 rv->wp_size = vtl->wp_size;
720 rv->wp_draw_symbols = vtl->wp_draw_symbols;
721
722 trw_layer_new_track_gcs ( rv, VIK_VIEWPORT(vp) );
723
724 rv->waypoint_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
725 gdk_gc_set_line_attributes ( rv->waypoint_gc, 2, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
726
727 rv->waypoint_text_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
728 rv->waypoint_bg_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
729 gdk_gc_copy ( rv->waypoint_gc, vtl->waypoint_gc );
730 gdk_gc_copy ( rv->waypoint_text_gc, vtl->waypoint_text_gc );
731 gdk_gc_copy ( rv->waypoint_bg_gc, vtl->waypoint_bg_gc );
732
733 rv->waypoint_font = gdk_font_load ( "-*-helvetica-bold-r-normal-*-*-100-*-*-p-*-iso8859-1" );
734
735 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_copy, rv->waypoints );
736 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_copy, rv->tracks );
737
738 return rv;
739 }
740
741 static GList * a_array_to_glist(gpointer data[])
742 {
743 GList *gl = NULL;
744 gpointer * p;
745 for (p = data; *p; p++)
746 gl = g_list_prepend(gl, *p);
747 return(g_list_reverse(gl));
748 }
749
750 VikTrwLayer *vik_trw_layer_new ( gint drawmode )
751 {
752 if (trw_layer_params[PARAM_DM].widget_data == NULL)
753 trw_layer_params[PARAM_DM].widget_data = a_array_to_glist(params_drawmodes);
754 if (trw_layer_params[PARAM_WPSYM].widget_data == NULL)
755 trw_layer_params[PARAM_WPSYM].widget_data = a_array_to_glist(params_wpsymbols);
756
757 VikTrwLayer *rv = VIK_TRW_LAYER ( g_object_new ( VIK_TRW_LAYER_TYPE, NULL ) );
758 vik_layer_init ( VIK_LAYER(rv), VIK_LAYER_TRW );
759
760 rv->waypoints = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, (GDestroyNotify) vik_waypoint_free );
761 rv->tracks = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, (GDestroyNotify) vik_track_free );
762 rv->tracks_iters = g_hash_table_new_full ( g_str_hash, g_str_equal, NULL, g_free );
763 rv->waypoints_iters = g_hash_table_new_full ( g_str_hash, g_str_equal, NULL, g_free );
764
765 /* TODO: constants at top */
766 rv->waypoints_visible = rv->tracks_visible = TRUE;
767 rv->drawmode = drawmode;
768 rv->drawpoints = TRUE;
769 rv->drawstops = FALSE;
770 rv->drawelevation = FALSE;
771 rv->elevation_factor = 30;
772 rv->stop_length = 60;
773 rv->drawlines = TRUE;
774 rv->wplabellayout = NULL;
775 rv->wp_right_click_menu = NULL;
776 rv->waypoint_gc = NULL;
777 rv->waypoint_text_gc = NULL;
778 rv->waypoint_bg_gc = NULL;
779 rv->track_gc = NULL;
780 rv->velocity_max = 5.0;
781 rv->velocity_min = 0.0;
782 rv->line_thickness = 1;
783 rv->bg_line_thickness = 0;
784 rv->current_wp = NULL;
785 rv->current_wp_name = NULL;
786 rv->current_track = NULL;
787 rv->current_tpl = NULL;
788 rv->current_tp_track_name = NULL;
789 rv->moving_tp = FALSE;
790 rv->moving_wp = FALSE;
791
792 rv->magic_scissors_started = FALSE;
793
794 rv->waypoint_rightclick = FALSE;
795 rv->last_tpl = NULL;
796 rv->last_tp_track_name = NULL;
797 rv->tpwin = NULL;
798 rv->image_cache = g_queue_new();
799 rv->image_size = 64;
800 rv->image_alpha = 255;
801 rv->image_cache_size = 300;
802 rv->drawimages = TRUE;
803 rv->drawlabels = TRUE;
804 return rv;
805 }
806
807
808 void vik_trw_layer_free ( VikTrwLayer *trwlayer )
809 {
810 g_hash_table_destroy(trwlayer->waypoints);
811 g_hash_table_destroy(trwlayer->tracks);
812
813 /* ODC: replace with GArray */
814 trw_layer_free_track_gcs ( trwlayer );
815
816 if ( trwlayer->wp_right_click_menu )
817 gtk_object_sink ( GTK_OBJECT(trwlayer->wp_right_click_menu) );
818
819 if ( trwlayer->wplabellayout != NULL)
820 g_object_unref ( G_OBJECT ( trwlayer->wplabellayout ) );
821
822 if ( trwlayer->waypoint_gc != NULL )
823 g_object_unref ( G_OBJECT ( trwlayer->waypoint_gc ) );
824
825 if ( trwlayer->waypoint_text_gc != NULL )
826 g_object_unref ( G_OBJECT ( trwlayer->waypoint_text_gc ) );
827
828 if ( trwlayer->waypoint_bg_gc != NULL )
829 g_object_unref ( G_OBJECT ( trwlayer->waypoint_bg_gc ) );
830
831 if ( trwlayer->waypoint_font != NULL )
832 gdk_font_unref ( trwlayer->waypoint_font );
833
834 if ( trwlayer->tpwin != NULL )
835 gtk_widget_destroy ( GTK_WIDGET(trwlayer->tpwin) );
836
837 g_list_foreach ( trwlayer->image_cache->head, (GFunc) cached_pixbuf_free, NULL );
838 g_queue_free ( trwlayer->image_cache );
839 }
840
841 static void init_drawing_params ( struct DrawingParams *dp, VikViewport *vp )
842 {
843 dp->vp = vp;
844 dp->xmpp = vik_viewport_get_xmpp ( vp );
845 dp->ympp = vik_viewport_get_ympp ( vp );
846 dp->width = vik_viewport_get_width ( vp );
847 dp->height = vik_viewport_get_height ( vp );
848 dp->center = vik_viewport_get_center ( vp );
849 dp->one_zone = vik_viewport_is_one_zone ( vp ); /* false if some other projection besides UTM */
850 dp->lat_lon = vik_viewport_get_coord_mode ( vp ) == VIK_COORD_LATLON;
851
852 if ( dp->one_zone )
853 {
854 gint w2, h2;
855 w2 = dp->xmpp * (dp->width / 2) + 1600 / dp->xmpp;
856 h2 = dp->ympp * (dp->height / 2) + 1600 / dp->ympp;
857 /* leniency -- for tracks. Obviously for waypoints this SHOULD be a lot smaller */
858
859 dp->ce1 = dp->center->east_west-w2;
860 dp->ce2 = dp->center->east_west+w2;
861 dp->cn1 = dp->center->north_south-h2;
862 dp->cn2 = dp->center->north_south+h2;
863 } else if ( dp->lat_lon ) {
864 VikCoord upperleft, bottomright;
865 /* quick & dirty calculation; really want to check all corners due to lat/lon smaller at top in northern hemisphere */
866 /* this also DOESN'T WORK if you are crossing 180/-180 lon. I don't plan to in the near future... */
867 vik_viewport_screen_to_coord ( vp, -500, -500, &upperleft );
868 vik_viewport_screen_to_coord ( vp, dp->width+500, dp->height+500, &bottomright );
869 dp->ce1 = upperleft.east_west;
870 dp->ce2 = bottomright.east_west;
871 dp->cn1 = bottomright.north_south;
872 dp->cn2 = upperleft.north_south;
873 }
874
875 dp->track_gc_iter = 0;
876 }
877
878 static gint calculate_velocity ( VikTrwLayer *vtl, VikTrackpoint *tp1, VikTrackpoint *tp2 )
879 {
880 static gdouble rv = 0;
881 if ( tp1->has_timestamp && tp2->has_timestamp )
882 {
883 rv = ( vik_coord_diff ( &(tp1->coord), &(tp2->coord) )
884 / (tp1->timestamp - tp2->timestamp) ) - vtl->velocity_min;
885
886 if ( rv < 0 )
887 return VIK_TRW_LAYER_TRACK_GC_MIN;
888 else if ( vtl->velocity_min >= vtl->velocity_max )
889 return VIK_TRW_LAYER_TRACK_GC_MAX;
890
891 rv *= (VIK_TRW_LAYER_TRACK_GC_RATES / (vtl->velocity_max - vtl->velocity_min));
892
893 if ( rv >= VIK_TRW_LAYER_TRACK_GC_MAX )
894 return VIK_TRW_LAYER_TRACK_GC_MAX;
895 return (gint) rv;
896 }
897 else
898 return VIK_TRW_LAYER_TRACK_GC_BLACK;
899 }
900
901 void draw_utm_skip_insignia ( VikViewport *vvp, GdkGC *gc, gint x, gint y )
902 {
903 vik_viewport_draw_line ( vvp, gc, x+5, y, x-5, y );
904 vik_viewport_draw_line ( vvp, gc, x, y+5, x, y-5 );
905 vik_viewport_draw_line ( vvp, gc, x+5, y+5, x-5, y-5 );
906 vik_viewport_draw_line ( vvp, gc, x+5, y-5, x-5, y+5 );
907 }
908
909 static void trw_layer_draw_track ( const gchar *name, VikTrack *track, struct DrawingParams *dp, gboolean drawing_white_background )
910 {
911 /* TODO: this function is a mess, get rid of any redundancy */
912 GList *list = track->trackpoints;
913 gboolean useoldvals = TRUE;
914
915 gboolean drawpoints;
916 gboolean drawstops;
917 gboolean drawelevation;
918 gdouble min_alt, max_alt, alt_diff = 0;
919
920 const guint8 tp_size_reg = 2;
921 const guint8 tp_size_cur = 4;
922 guint8 tp_size;
923
924 if ( dp->vtl->drawelevation )
925 {
926 /* assume if it has elevation at the beginning, it has it throughout. not ness a true good assumption */
927 if ( ( drawelevation = vik_track_get_minmax_alt ( track, &min_alt, &max_alt ) ) )
928 alt_diff = max_alt - min_alt;
929 }
930
931 if ( ! track->visible )
932 return;
933
934 /* admittedly this is not an efficient way to do it because we go through the whole GC thing all over... */
935 if ( dp->vtl->bg_line_thickness && !drawing_white_background )
936 trw_layer_draw_track ( name, track, dp, TRUE );
937
938 if ( drawing_white_background )
939 drawpoints = drawstops = FALSE;
940 else {
941 drawpoints = dp->vtl->drawpoints;
942 drawstops = dp->vtl->drawstops;
943 }
944
945 if (list) {
946 int x, y, oldx, oldy;
947 VikTrackpoint *tp = VIK_TRACKPOINT(list->data);
948
949 tp_size = (list == dp->vtl->current_tpl) ? tp_size_cur : tp_size_reg;
950
951 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
952
953 if ( (drawpoints) && dp->track_gc_iter < VIK_TRW_LAYER_TRACK_GC )
954 {
955 GdkPoint trian[3] = { { x, y-(3*tp_size) }, { x-(2*tp_size), y+(2*tp_size) }, {x+(2*tp_size), y+(2*tp_size)} };
956 vik_viewport_draw_polygon ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, trian, 3 );
957 }
958
959 oldx = x;
960 oldy = y;
961
962 if ( dp->vtl->drawmode == DRAWMODE_ALL_BLACK )
963 dp->track_gc_iter = VIK_TRW_LAYER_TRACK_GC_MAX + 1;
964
965 while ((list = g_list_next(list)))
966 {
967 tp = VIK_TRACKPOINT(list->data);
968 tp_size = (list == dp->vtl->current_tpl) ? tp_size_cur : tp_size_reg;
969
970 /* check some stuff -- but only if we're in UTM and there's only ONE ZONE; or lat lon */
971 if ( (!dp->one_zone && !dp->lat_lon) || /* UTM & zones; do everything */
972 ( ((!dp->one_zone) || tp->coord.utm_zone == dp->center->utm_zone) && /* only check zones if UTM & one_zone */
973 tp->coord.east_west < dp->ce2 && tp->coord.east_west > dp->ce1 && /* both UTM and lat lon */
974 tp->coord.north_south > dp->cn1 && tp->coord.north_south < dp->cn2 ) )
975 {
976 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
977
978 if ( drawpoints && ! drawing_white_background )
979 {
980 if ( list->next ) {
981 vik_viewport_draw_rectangle ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, x-tp_size, y-tp_size, 2*tp_size, 2*tp_size );
982
983 vik_viewport_draw_rectangle ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, x-tp_size, y-tp_size, 2*tp_size, 2*tp_size );
984
985 /* stops */
986 if ( drawstops && VIK_TRACKPOINT(list->next->data)->timestamp - VIK_TRACKPOINT(list->data)->timestamp > dp->vtl->stop_length )
987 vik_viewport_draw_arc ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, 11), TRUE, x-(3*tp_size), y-(3*tp_size), 6*tp_size, 6*tp_size, 0, 360*64 );
988 }
989 else
990 vik_viewport_draw_arc ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, x-(2*tp_size), y-(2*tp_size), 4*tp_size, 4*tp_size, 0, 360*64 );
991 }
992
993 if ((!tp->newsegment) && (dp->vtl->drawlines))
994 {
995 VikTrackpoint *tp2 = VIK_TRACKPOINT(list->prev->data);
996
997 /* UTM only: zone check */
998 if ( drawpoints && dp->vtl->coord_mode == VIK_COORD_UTM && tp->coord.utm_zone != dp->center->utm_zone )
999 draw_utm_skip_insignia ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), x, y);
1000
1001 if ( dp->vtl->drawmode == DRAWMODE_BY_VELOCITY )
1002 dp->track_gc_iter = calculate_velocity ( dp->vtl, tp, tp2 );
1003
1004 if (!useoldvals)
1005 vik_viewport_coord_to_screen ( dp->vp, &(tp2->coord), &oldx, &oldy );
1006
1007 if ( drawing_white_background ) {
1008 vik_viewport_draw_line ( dp->vp, dp->vtl->track_bg_gc, oldx, oldy, x, y);
1009 }
1010 else {
1011
1012 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy, x, y);
1013 if ( dp->vtl->drawelevation && list && list->next && VIK_TRACKPOINT(list->next->data)->altitude != VIK_DEFAULT_ALTITUDE ) {
1014 GdkPoint tmp[4];
1015 #define FIXALTITUDE(what) ((VIK_TRACKPOINT((what))->altitude-min_alt)/alt_diff*DRAW_ELEVATION_FACTOR*dp->vtl->elevation_factor/dp->xmpp)
1016 if ( list && list->next && VIK_TRACKPOINT(list->next->data)->altitude != VIK_DEFAULT_ALTITUDE ) {
1017 tmp[0].x = oldx;
1018 tmp[0].y = oldy;
1019 tmp[1].x = oldx;
1020 tmp[1].y = oldy-FIXALTITUDE(list->data);
1021 tmp[2].x = x;
1022 tmp[2].y = y-FIXALTITUDE(list->next->data);
1023 tmp[3].x = x;
1024 tmp[3].y = y;
1025
1026 GdkGC *tmp_gc;
1027 if ( ((oldx - x) > 0 && (oldy - y) > 0) || ((oldx - x) < 0 && (oldy - y) < 0))
1028 tmp_gc = GTK_WIDGET(dp->vp)->style->light_gc[3];
1029 else
1030 tmp_gc = GTK_WIDGET(dp->vp)->style->dark_gc[0];
1031 vik_viewport_draw_polygon ( dp->vp, tmp_gc, TRUE, tmp, 4);
1032 }
1033 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy-FIXALTITUDE(list->data), x, y-FIXALTITUDE(list->next->data));
1034 }
1035 }
1036 }
1037
1038 oldx = x;
1039 oldy = y;
1040 useoldvals = TRUE;
1041 }
1042 else {
1043 if (useoldvals && dp->vtl->drawlines && (!tp->newsegment))
1044 {
1045 VikTrackpoint *tp2 = VIK_TRACKPOINT(list->prev->data);
1046 if ( dp->vtl->coord_mode != VIK_COORD_UTM || tp->coord.utm_zone == dp->center->utm_zone )
1047 {
1048 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
1049 if ( dp->vtl->drawmode == DRAWMODE_BY_VELOCITY )
1050 dp->track_gc_iter = calculate_velocity ( dp->vtl, tp, tp2 );
1051
1052 if ( drawing_white_background )
1053 vik_viewport_draw_line ( dp->vp, dp->vtl->track_bg_gc, oldx, oldy, x, y);
1054 else
1055 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy, x, y);
1056 }
1057 else
1058 {
1059 vik_viewport_coord_to_screen ( dp->vp, &(tp2->coord), &x, &y );
1060 draw_utm_skip_insignia ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), x, y );
1061 }
1062 }
1063 useoldvals = FALSE;
1064 }
1065 }
1066 }
1067 if ( dp->vtl->drawmode == DRAWMODE_BY_TRACK )
1068 if ( ++(dp->track_gc_iter) >= VIK_TRW_LAYER_TRACK_GC )
1069 dp->track_gc_iter = 0;
1070 }
1071
1072 /* the only reason this exists is so that trw_layer_draw_track can first call itself to draw the white track background */
1073 static void trw_layer_draw_track_cb ( const gchar *name, VikTrack *track, struct DrawingParams *dp )
1074 {
1075 trw_layer_draw_track ( name, track, dp, FALSE );
1076 }
1077
1078 static void cached_pixbuf_free ( CachedPixbuf *cp )
1079 {
1080 g_object_unref ( G_OBJECT(cp->pixbuf) );
1081 g_free ( cp->image );
1082 }
1083
1084 static gint cached_pixbuf_cmp ( CachedPixbuf *cp, const gchar *name )
1085 {
1086 return strcmp ( cp->image, name );
1087 }
1088
1089 static void trw_layer_draw_waypoint ( const gchar *name, VikWaypoint *wp, struct DrawingParams *dp )
1090 {
1091 if ( wp->visible )
1092 if ( (!dp->one_zone) || ( wp->coord.utm_zone == dp->center->utm_zone &&
1093 wp->coord.east_west < dp->ce2 && wp->coord.east_west > dp->ce1 &&
1094 wp->coord.north_south > dp->cn1 && wp->coord.north_south < dp->cn2 ) )
1095 {
1096 gint x, y;
1097 GdkPixbuf *sym;
1098 vik_viewport_coord_to_screen ( dp->vp, &(wp->coord), &x, &y );
1099
1100 /* if in shrunken_cache, get that. If not, get and add to shrunken_cache */
1101
1102 if ( wp->image && dp->vtl->drawimages )
1103 {
1104 GdkPixbuf *pixbuf = NULL;
1105 GList *l;
1106
1107 if ( dp->vtl->image_alpha == 0)
1108 return;
1109
1110 l = g_list_find_custom ( dp->vtl->image_cache->head, wp->image, (GCompareFunc) cached_pixbuf_cmp );
1111 if ( l )
1112 pixbuf = ((CachedPixbuf *) l->data)->pixbuf;
1113 else
1114 {
1115 gchar *image = wp->image;
1116 GdkPixbuf *regularthumb = a_thumbnails_get ( wp->image );
1117 if ( ! regularthumb )
1118 {
1119 regularthumb = a_thumbnails_get_default (); /* cache one 'not yet loaded' for all thumbs not loaded */
1120 image = "\x12\x00"; /* this shouldn't occur naturally. */
1121 }
1122 if ( regularthumb )
1123 {
1124 CachedPixbuf *cp = NULL;
1125 cp = g_malloc ( sizeof ( CachedPixbuf ) );
1126 if ( dp->vtl->image_size == 128 )
1127 cp->pixbuf = regularthumb;
1128 else
1129 {
1130 cp->pixbuf = a_thumbnails_scale_pixbuf(regularthumb, dp->vtl->image_size, dp->vtl->image_size);
1131 g_assert ( cp->pixbuf );
1132 g_object_unref ( G_OBJECT(regularthumb) );
1133 }
1134 cp->image = g_strdup ( image );
1135
1136 /* needed so 'click picture' tool knows how big the pic is; we don't
1137 * store it in cp because they may have been freed already. */
1138 wp->image_width = gdk_pixbuf_get_width ( cp->pixbuf );
1139 wp->image_height = gdk_pixbuf_get_height ( cp->pixbuf );
1140
1141 g_queue_push_head ( dp->vtl->image_cache, cp );
1142 if ( dp->vtl->image_cache->length > dp->vtl->image_cache_size )
1143 cached_pixbuf_free ( g_queue_pop_tail ( dp->vtl->image_cache ) );
1144
1145 pixbuf = cp->pixbuf;
1146 }
1147 else
1148 {
1149 pixbuf = a_thumbnails_get_default (); /* thumbnail not yet loaded */
1150 }
1151 }
1152 if ( pixbuf )
1153 {
1154 gint w, h;
1155 w = gdk_pixbuf_get_width ( pixbuf );
1156 h = gdk_pixbuf_get_height ( pixbuf );
1157
1158 if ( x+(w/2) > 0 && y+(h/2) > 0 && x-(w/2) < dp->width && y-(h/2) < dp->height ) /* always draw within boundaries */
1159 {
1160 if ( dp->vtl->image_alpha == 255 )
1161 vik_viewport_draw_pixbuf ( dp->vp, pixbuf, 0, 0, x - (w/2), y - (h/2), w, h );
1162 else
1163 vik_viewport_draw_pixbuf_with_alpha ( dp->vp, pixbuf, dp->vtl->image_alpha, 0, 0, x - (w/2), y - (h/2), w, h );
1164 }
1165 return; /* if failed to draw picture, default to drawing regular waypoint (below) */
1166 }
1167 }
1168
1169 /* DRAW ACTUAL DOT */
1170 if ( dp->vtl->wp_draw_symbols && wp->symbol && (sym = a_get_wp_sym(wp->symbol)) ) {
1171 vik_viewport_draw_pixbuf ( dp->vp, sym, 0, 0, x - gdk_pixbuf_get_width(sym)/2, y - gdk_pixbuf_get_height(sym)/2, -1, -1 );
1172 }
1173 else if ( wp == dp->vtl->current_wp ) {
1174 switch ( dp->vtl->wp_symbol ) {
1175 case WP_SYMBOL_FILLED_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, TRUE, x - (dp->vtl->wp_size), y - (dp->vtl->wp_size), dp->vtl->wp_size*2, dp->vtl->wp_size*2 ); break;
1176 case WP_SYMBOL_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, FALSE, x - (dp->vtl->wp_size), y - (dp->vtl->wp_size), dp->vtl->wp_size*2, dp->vtl->wp_size*2 ); break;
1177 case WP_SYMBOL_CIRCLE: vik_viewport_draw_arc ( dp->vp, dp->vtl->waypoint_gc, TRUE, x - dp->vtl->wp_size, y - dp->vtl->wp_size, dp->vtl->wp_size, dp->vtl->wp_size, 0, 360*64 ); break;
1178 case WP_SYMBOL_X: vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x - dp->vtl->wp_size*2, y - dp->vtl->wp_size*2, x + dp->vtl->wp_size*2, y + dp->vtl->wp_size*2 );
1179 vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x - dp->vtl->wp_size*2, y + dp->vtl->wp_size*2, x + dp->vtl->wp_size*2, y - dp->vtl->wp_size*2 );
1180 }
1181 }
1182 else {
1183 switch ( dp->vtl->wp_symbol ) {
1184 case WP_SYMBOL_FILLED_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, TRUE, x - dp->vtl->wp_size/2, y - dp->vtl->wp_size/2, dp->vtl->wp_size, dp->vtl->wp_size ); break;
1185 case WP_SYMBOL_SQUARE: vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_gc, FALSE, x - dp->vtl->wp_size/2, y - dp->vtl->wp_size/2, dp->vtl->wp_size, dp->vtl->wp_size ); break;
1186 case WP_SYMBOL_CIRCLE: vik_viewport_draw_arc ( dp->vp, dp->vtl->waypoint_gc, TRUE, x-dp->vtl->wp_size/2, y-dp->vtl->wp_size/2, dp->vtl->wp_size, dp->vtl->wp_size, 0, 360*64 ); break;
1187 case WP_SYMBOL_X: vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x-dp->vtl->wp_size, y-dp->vtl->wp_size, x+dp->vtl->wp_size, y+dp->vtl->wp_size );
1188 vik_viewport_draw_line ( dp->vp, dp->vtl->waypoint_gc, x-dp->vtl->wp_size, y+dp->vtl->wp_size, x+dp->vtl->wp_size, y-dp->vtl->wp_size ); break;
1189 }
1190 }
1191
1192 if ( dp->vtl->drawlabels )
1193 {
1194 /* thanks to the GPSDrive people (Fritz Ganter et al.) for hints on this part ... yah, I'm too lazy to study documentation */
1195 gint width, height;
1196 pango_layout_set_text ( dp->vtl->wplabellayout, name, -1 );
1197 pango_layout_get_pixel_size ( dp->vtl->wplabellayout, &width, &height );
1198 vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_bg_gc, TRUE, x + dp->vtl->wp_size - 1, y-1,width+1,height-1);
1199 vik_viewport_draw_layout ( dp->vp, dp->vtl->waypoint_text_gc, x + dp->vtl->wp_size, y, dp->vtl->wplabellayout );
1200 }
1201 }
1202 }
1203
1204 void vik_trw_layer_draw ( VikTrwLayer *l, gpointer data )
1205 {
1206 static struct DrawingParams dp;
1207 g_assert ( l != NULL );
1208
1209 init_drawing_params ( &dp, VIK_VIEWPORT(data) );
1210 dp.vtl = l;
1211
1212 if ( l->tracks_visible )
1213 g_hash_table_foreach ( l->tracks, (GHFunc) trw_layer_draw_track_cb, &dp );
1214
1215 if (l->waypoints_visible)
1216 g_hash_table_foreach ( l->waypoints, (GHFunc) trw_layer_draw_waypoint, &dp );
1217 }
1218
1219 static void trw_layer_free_track_gcs ( VikTrwLayer *vtl )
1220 {
1221 int i;
1222 if ( vtl->track_bg_gc )
1223 {
1224 g_object_unref ( vtl->track_bg_gc );
1225 vtl->track_bg_gc = NULL;
1226 }
1227
1228 if ( ! vtl->track_gc )
1229 return;
1230 for ( i = vtl->track_gc->len - 1; i >= 0; i-- )
1231 g_object_unref ( g_array_index ( vtl->track_gc, GObject *, i ) );
1232 g_array_free ( vtl->track_gc, TRUE );
1233 vtl->track_gc = NULL;
1234 }
1235
1236 static void trw_layer_new_track_gcs ( VikTrwLayer *vtl, VikViewport *vp )
1237 {
1238 GdkGC *gc[ VIK_TRW_LAYER_TRACK_GC ];
1239 gint width = vtl->line_thickness;
1240
1241 if ( vtl->track_gc )
1242 trw_layer_free_track_gcs ( vtl );
1243
1244 if ( vtl->track_bg_gc )
1245 g_object_unref ( vtl->track_bg_gc );
1246 vtl->track_bg_gc = vik_viewport_new_gc ( vp, "#FFFFFF", width + vtl->bg_line_thickness );
1247
1248 vtl->track_gc = g_array_sized_new ( FALSE, FALSE, sizeof ( GdkGC * ), VIK_TRW_LAYER_TRACK_GC );
1249
1250 gc[0] = vik_viewport_new_gc ( vp, "#2d870a", width ); /* below range */
1251
1252 gc[1] = vik_viewport_new_gc ( vp, "#0a8742", width );
1253 gc[2] = vik_viewport_new_gc ( vp, "#0a8783", width );
1254 gc[3] = vik_viewport_new_gc ( vp, "#0a4d87", width );
1255 gc[4] = vik_viewport_new_gc ( vp, "#05469f", width );
1256 gc[5] = vik_viewport_new_gc ( vp, "#1b059f", width );
1257 gc[6] = vik_viewport_new_gc ( vp, "#2d059f", width );
1258 gc[7] = vik_viewport_new_gc ( vp, "#4a059f", width );
1259 gc[8] = vik_viewport_new_gc ( vp, "#84059f", width );
1260 gc[9] = vik_viewport_new_gc ( vp, "#96059f", width );
1261 gc[10] = vik_viewport_new_gc ( vp, "#f22ef2", width );
1262
1263 gc[11] = vik_viewport_new_gc ( vp, "#ff0000", width ); /* above range */
1264
1265 gc[12] = vik_viewport_new_gc ( vp, "#000000", width ); /* black / no speed data */
1266
1267 g_array_append_vals ( vtl->track_gc, gc, VIK_TRW_LAYER_TRACK_GC );
1268 }
1269
1270 VikTrwLayer *vik_trw_layer_create ( VikViewport *vp )
1271 {
1272 VikTrwLayer *rv = vik_trw_layer_new ( 0 );
1273 PangoFontDescription *pfd;
1274 rv->wplabellayout = gtk_widget_create_pango_layout (GTK_WIDGET(vp), NULL);
1275 pfd = pango_font_description_from_string (WAYPOINT_FONT);
1276 pango_layout_set_font_description (rv->wplabellayout, pfd);
1277 /* freeing PangoFontDescription, cause it has been copied by prev. call */
1278 pango_font_description_free (pfd);
1279
1280 vik_layer_rename ( VIK_LAYER(rv), vik_trw_layer_interface.name );
1281
1282 trw_layer_new_track_gcs ( rv, vp );
1283
1284 rv->waypoint_gc = vik_viewport_new_gc ( vp, "#000000", 2 );
1285 rv->waypoint_text_gc = vik_viewport_new_gc ( vp, "#FFFFFF", 1 );
1286 rv->waypoint_bg_gc = vik_viewport_new_gc ( vp, "#8383C4", 1 );
1287 gdk_gc_set_function ( rv->waypoint_bg_gc, GDK_AND );
1288
1289 rv->waypoint_font = gdk_font_load ( "-*-helvetica-bold-r-normal-*-*-100-*-*-p-*-iso8859-1" );
1290
1291 rv->has_verified_thumbnails = FALSE;
1292 rv->wp_symbol = WP_SYMBOL_FILLED_SQUARE;
1293 rv->wp_size = 4;
1294 rv->wp_draw_symbols = TRUE;
1295
1296 rv->coord_mode = vik_viewport_get_coord_mode ( vp );
1297
1298 rv->menu_selection = vik_layer_get_interface(VIK_LAYER(rv)->type)->menu_items_selection;
1299
1300 return rv;
1301 }
1302
1303 static void trw_layer_realize_track ( gchar *name, VikTrack *track, gpointer pass_along[4] )
1304 {
1305 GtkTreeIter *new_iter = g_malloc(sizeof(GtkTreeIter));
1306
1307 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1308 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1309 #else
1310 vik_treeview_add_sublayer ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1311 #endif
1312
1313 *new_iter = *((GtkTreeIter *) pass_along[1]);
1314 g_hash_table_insert ( VIK_TRW_LAYER(pass_along[2])->tracks_iters, name, new_iter );
1315
1316 if ( ! track->visible )
1317 vik_treeview_item_set_visible ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[1], FALSE );
1318 }
1319
1320 static void trw_layer_realize_waypoint ( gchar *name, VikWaypoint *wp, gpointer pass_along[4] )
1321 {
1322 GtkTreeIter *new_iter = g_malloc(sizeof(GtkTreeIter));
1323 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1324 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1325 #else
1326 vik_treeview_add_sublayer ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[0], (GtkTreeIter *) pass_along[1], name, pass_along[2], name, (gint) pass_along[4], NULL, TRUE, TRUE );
1327 #endif
1328
1329 *new_iter = *((GtkTreeIter *) pass_along[1]);
1330 g_hash_table_insert ( VIK_TRW_LAYER(pass_along[2])->waypoints_iters, name, new_iter );
1331
1332 if ( ! wp->visible )
1333 vik_treeview_item_set_visible ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[1], FALSE );
1334 }
1335
1336
1337 void vik_trw_layer_realize ( VikTrwLayer *vtl, VikTreeview *vt, GtkTreeIter *layer_iter )
1338 {
1339 GtkTreeIter iter2;
1340 gpointer pass_along[5] = { &(vtl->tracks_iter), &iter2, vtl, vt, (gpointer) VIK_TRW_LAYER_SUBLAYER_TRACK };
1341
1342 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1343 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) vt, layer_iter, &(vtl->tracks_iter), "Tracks", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_TRACKS, NULL, TRUE, FALSE );
1344 #else
1345 vik_treeview_add_sublayer ( (VikTreeview *) vt, layer_iter, &(vtl->tracks_iter), "Tracks", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_TRACKS, NULL, TRUE, FALSE );
1346 #endif
1347 if ( ! vtl->tracks_visible )
1348 vik_treeview_item_set_visible ( (VikTreeview *) vt, &(vtl->tracks_iter), FALSE );
1349
1350 g_hash_table_foreach ( vtl->tracks, (GHFunc) trw_layer_realize_track, pass_along );
1351
1352 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1353 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) vt, layer_iter, &(vtl->waypoints_iter), "Waypoints", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINTS, NULL, TRUE, FALSE );
1354 #else
1355 vik_treeview_add_sublayer ( (VikTreeview *) vt, layer_iter, &(vtl->waypoints_iter), "Waypoints", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINTS, NULL, TRUE, FALSE );
1356 #endif
1357
1358 if ( ! vtl->waypoints_visible )
1359 vik_treeview_item_set_visible ( (VikTreeview *) vt, &(vtl->waypoints_iter), FALSE );
1360
1361 pass_along[0] = &(vtl->waypoints_iter);
1362 pass_along[4] = (gpointer) VIK_TRW_LAYER_SUBLAYER_WAYPOINT;
1363
1364 g_hash_table_foreach ( vtl->waypoints, (GHFunc) trw_layer_realize_waypoint, pass_along );
1365
1366 }
1367
1368 gboolean vik_trw_layer_sublayer_toggle_visible ( VikTrwLayer *l, gint subtype, gpointer sublayer )
1369 {
1370 switch ( subtype )
1371 {
1372 case VIK_TRW_LAYER_SUBLAYER_TRACKS: return (l->tracks_visible ^= 1);
1373 case VIK_TRW_LAYER_SUBLAYER_WAYPOINTS: return (l->waypoints_visible ^= 1);
1374 case VIK_TRW_LAYER_SUBLAYER_TRACK:
1375 {
1376 VikTrack *t = g_hash_table_lookup ( l->tracks, sublayer );
1377 if (t)
1378 return (t->visible ^= 1);
1379 else
1380 return TRUE;
1381 }
1382 case VIK_TRW_LAYER_SUBLAYER_WAYPOINT:
1383 {
1384 VikWaypoint *t = g_hash_table_lookup ( l->waypoints, sublayer );
1385 if (t)
1386 return (t->visible ^= 1);
1387 else
1388 return TRUE;
1389 }
1390 }
1391 return TRUE;
1392 }
1393
1394 GHashTable *vik_trw_layer_get_tracks ( VikTrwLayer *l )
1395 {
1396 return l->tracks;
1397 }
1398
1399 GHashTable *vik_trw_layer_get_waypoints ( VikTrwLayer *l )
1400 {
1401 return l->waypoints;
1402 }
1403
1404 static void trw_layer_find_maxmin_waypoints ( const gchar *name, const VikWaypoint *w, struct LatLon maxmin[2] )
1405 {
1406 static VikCoord fixme;
1407 vik_coord_copy_convert ( &(w->coord), VIK_COORD_LATLON, &fixme );
1408 if ( VIK_LATLON(&fixme)->lat > maxmin[0].lat || maxmin[0].lat == 0.0 )
1409 maxmin[0].lat = VIK_LATLON(&fixme)->lat;
1410 if ( VIK_LATLON(&fixme)->lat < maxmin[1].lat || maxmin[1].lat == 0.0 )
1411 maxmin[1].lat = VIK_LATLON(&fixme)->lat;
1412 if ( VIK_LATLON(&fixme)->lon > maxmin[0].lon || maxmin[0].lon == 0.0 )
1413 maxmin[0].lon = VIK_LATLON(&fixme)->lon;
1414 if ( VIK_LATLON(&fixme)->lon < maxmin[1].lon || maxmin[1].lon == 0.0 )
1415 maxmin[1].lon = VIK_LATLON(&fixme)->lon;
1416 }
1417
1418 static void trw_layer_find_maxmin_tracks ( const gchar *name, GList **t, struct LatLon maxmin[2] )
1419 {
1420 GList *tr = *t;
1421 static VikCoord fixme;
1422
1423 while ( tr )
1424 {
1425 vik_coord_copy_convert ( &(VIK_TRACKPOINT(tr->data)->coord), VIK_COORD_LATLON, &fixme );
1426 if ( VIK_LATLON(&fixme)->lat > maxmin[0].lat || maxmin[0].lat == 0.0 )
1427 maxmin[0].lat = VIK_LATLON(&fixme)->lat;
1428 if ( VIK_LATLON(&fixme)->lat < maxmin[1].lat || maxmin[1].lat == 0.0 )
1429 maxmin[1].lat = VIK_LATLON(&fixme)->lat;
1430 if ( VIK_LATLON(&fixme)->lon > maxmin[0].lon || maxmin[0].lon == 0.0 )
1431 maxmin[0].lon = VIK_LATLON(&fixme)->lon;
1432 if ( VIK_LATLON(&fixme)->lon < maxmin[1].lon || maxmin[1].lon == 0.0 )
1433 maxmin[1].lon = VIK_LATLON(&fixme)->lon;
1434 tr = tr->next;
1435 }
1436 }
1437
1438
1439 gboolean vik_trw_layer_find_center ( VikTrwLayer *vtl, VikCoord *dest )
1440 {
1441 /* TODO: what if there's only one waypoint @ 0,0, it will think nothing found. like I don't have more important things to worry about... */
1442 struct LatLon maxmin[2] = { {0.0,0.0}, {0.0,0.0} };
1443 g_hash_table_foreach ( vtl->waypoints, (GHFunc) trw_layer_find_maxmin_waypoints, maxmin );
1444 g_hash_table_foreach ( vtl->tracks, (GHFunc) trw_layer_find_maxmin_tracks, maxmin );
1445 if (maxmin[0].lat == 0.0 && maxmin[0].lon == 0.0 && maxmin[1].lat == 0.0 && maxmin[1].lon == 0.0)
1446 return FALSE;
1447 else
1448 {
1449 struct LatLon average = { (maxmin[0].lat+maxmin[1].lat)/2, (maxmin[0].lon+maxmin[1].lon)/2 };
1450 vik_coord_load_from_latlon ( dest, vtl->coord_mode, &average );
1451 return TRUE;
1452 }
1453 }
1454
1455 static void trw_layer_centerize ( gpointer layer_and_vlp[2] )
1456 {
1457 VikCoord coord;
1458 if ( vik_trw_layer_find_center ( VIK_TRW_LAYER(layer_and_vlp[0]), &coord ) )
1459 goto_coord ( VIK_LAYERS_PANEL(layer_and_vlp[1]), &coord );
1460 else
1461 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "This layer has no waypoints or trackpoints." );
1462 }
1463
1464 static void trw_layer_export ( gpointer layer_and_vlp[2], guint file_type )
1465 {
1466 GtkWidget *file_selector;
1467 const gchar *fn;
1468 gboolean failed = FALSE;
1469 file_selector = gtk_file_selection_new ("Export Layer");
1470
1471 while ( gtk_dialog_run ( GTK_DIALOG(file_selector) ) == GTK_RESPONSE_OK )
1472 {
1473 fn = gtk_file_selection_get_filename (GTK_FILE_SELECTION(file_selector) );
1474 if ( access ( fn, F_OK ) != 0 )
1475 {
1476 gtk_widget_hide ( file_selector );
1477 failed = ! a_file_export ( VIK_TRW_LAYER(layer_and_vlp[0]), fn, file_type );
1478 break;
1479 }
1480 else
1481 {
1482 if ( a_dialog_overwrite ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "The file \"%s\" exists, do you wish to overwrite it?", a_file_basename ( fn ) ) )
1483 {
1484 gtk_widget_hide ( file_selector );
1485 failed = ! a_file_export ( VIK_TRW_LAYER(layer_and_vlp[0]), fn, file_type );
1486 break;
1487 }
1488 }
1489 }
1490 gtk_widget_destroy ( file_selector );
1491 if ( failed )
1492 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "The filename you requested could not be opened for writing." );
1493 }
1494
1495 static void trw_layer_export_gpspoint ( gpointer layer_and_vlp[2] )
1496 {
1497 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPSPOINT );
1498 }
1499
1500 static void trw_layer_export_gpsmapper ( gpointer layer_and_vlp[2] )
1501 {
1502 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPSMAPPER );
1503 }
1504
1505 static void trw_layer_export_gpx ( gpointer layer_and_vlp[2] )
1506 {
1507 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPX );
1508 }
1509
1510 static void trw_layer_goto_wp ( gpointer layer_and_vlp[2] )
1511 {
1512 GHashTable *wps = vik_trw_layer_get_waypoints ( VIK_TRW_LAYER(layer_and_vlp[0]) );
1513 GtkWidget *dia = gtk_dialog_new_with_buttons ("Create",
1514 VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]),
1515 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
1516 GTK_STOCK_CANCEL,
1517 GTK_RESPONSE_REJECT,
1518 GTK_STOCK_OK,
1519 GTK_RESPONSE_ACCEPT,
1520 NULL);
1521
1522 GtkWidget *label, *entry;
1523 label = gtk_label_new("Waypoint Name:");
1524 entry = gtk_entry_new();
1525
1526 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dia)->vbox), label, FALSE, FALSE, 0);
1527 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dia)->vbox), entry, FALSE, FALSE, 0);
1528 gtk_widget_show_all ( label );
1529 gtk_widget_show_all ( entry );
1530
1531 while ( gtk_dialog_run ( GTK_DIALOG(dia) ) == GTK_RESPONSE_ACCEPT )
1532 {
1533 VikWaypoint *wp;
1534 gchar *upname = g_strdup(gtk_entry_get_text(GTK_ENTRY(entry)));
1535 int i;
1536
1537 for ( i = strlen(upname)-1; i >= 0; i-- )
1538 upname[i] = toupper(upname[i]);
1539
1540 wp = g_hash_table_lookup ( wps, upname );
1541
1542 if (!wp)
1543 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "Waypoint not found in this layer." );
1544 else
1545 {
1546 vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(layer_and_vlp[1])), &(wp->coord) );
1547 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(layer_and_vlp[1]) );
1548 vik_treeview_select_iter ( VIK_LAYER(layer_and_vlp[0])->vt, g_hash_table_lookup ( VIK_TRW_LAYER(layer_and_vlp[0])->waypoints_iters, upname ) );
1549 break;
1550 }
1551
1552 g_free ( upname );
1553
1554 }
1555 gtk_widget_destroy ( dia );
1556 }
1557
1558 gboolean vik_trw_layer_new_waypoint ( VikTrwLayer *vtl, GtkWindow *w, const VikCoord *def_coord )
1559 {
1560 gchar *name;
1561 VikWaypoint *wp = vik_waypoint_new();
1562 wp->coord = *def_coord;
1563 wp->altitude = VIK_DEFAULT_ALTITUDE;
1564
1565 if ( a_dialog_new_waypoint ( w, &name, wp, vik_trw_layer_get_waypoints ( vtl ), vtl->coord_mode ) )
1566 {
1567 wp->visible = TRUE;
1568 vik_trw_layer_add_waypoint ( vtl, name, wp );
1569 return TRUE;
1570 }
1571 vik_waypoint_free(wp);
1572 return FALSE;
1573 }
1574
1575 static void trw_layer_new_wp ( gpointer lav[2] )
1576 {
1577 VikTrwLayer *vtl = VIK_TRW_LAYER(lav[0]);
1578 VikLayersPanel *vlp = VIK_LAYERS_PANEL(lav[1]);
1579 /* TODO longone: okay, if layer above (aggregate) is invisible but vtl->visible is true, this redraws for no reason.
1580 instead return true if you want to update. */
1581 if ( vik_trw_layer_new_waypoint ( vtl, VIK_GTK_WINDOW_FROM_LAYER(vtl), vik_viewport_get_center(vik_layers_panel_get_viewport(vlp))) && VIK_LAYER(vtl)->visible )
1582 vik_layers_panel_emit_update ( vlp );
1583 }
1584
1585 void vik_trw_layer_add_menu_items ( VikTrwLayer *vtl, GtkMenu *menu, gpointer vlp )
1586 {
1587 static gpointer pass_along[2];
1588 GtkWidget *item;
1589 GtkMenu *export_submenu;
1590 pass_along[0] = vtl;
1591 pass_along[1] = vlp;
1592
1593 item = gtk_menu_item_new();
1594 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
1595 gtk_widget_show ( item );
1596
1597 item = gtk_menu_item_new_with_label ( "Goto Center of Layer" );
1598 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_centerize), pass_along );
1599 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1600 gtk_widget_show ( item );
1601
1602 item = gtk_menu_item_new_with_label ( "Goto Waypoint" );
1603 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_wp), pass_along );
1604 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1605 gtk_widget_show ( item );
1606
1607 export_submenu = gtk_menu_new ();
1608 item = gtk_menu_item_new_with_label ( "Export layer" );
1609 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1610 gtk_widget_show ( item );
1611 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), export_submenu);
1612
1613 item = gtk_menu_item_new_with_label ( "Export as GPSPoint" );
1614 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpspoint), pass_along );
1615 gtk_menu_shell_append (GTK_MENU_SHELL (export_submenu), item);
1616 gtk_widget_show ( item );
1617
1618 item = gtk_menu_item_new_with_label ( "Export as GPSMapper" );
1619 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpsmapper), pass_along );
1620 gtk_menu_shell_append (GTK_MENU_SHELL (export_submenu), item);
1621 gtk_widget_show ( item );
1622
1623 item = gtk_menu_item_new_with_label ( "Export as GPX" );
1624 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpx), pass_along );
1625 gtk_menu_shell_append (GTK_MENU_SHELL (export_submenu), item);
1626 gtk_widget_show ( item );
1627
1628 item = gtk_menu_item_new_with_label ( "New Waypoint" );
1629 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_new_wp), pass_along );
1630 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1631 gtk_widget_show ( item );
1632 }
1633
1634 void vik_trw_layer_add_waypoint ( VikTrwLayer *vtl, gchar *name, VikWaypoint *wp )
1635 {
1636 if ( VIK_LAYER(vtl)->realized )
1637 {
1638 VikWaypoint *oldwp = VIK_WAYPOINT ( g_hash_table_lookup ( vtl->waypoints, name ) );
1639 if ( oldwp )
1640 wp->visible = oldwp->visible; /* same visibility so we don't have to update viktreeview */
1641 else
1642 {
1643 GtkTreeIter *iter = g_malloc(sizeof(GtkTreeIter));
1644 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1645 vik_treeview_add_sublayer_alphabetized ( VIK_LAYER(vtl)->vt, &(vtl->waypoints_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, NULL, TRUE, TRUE );
1646 #else
1647 vik_treeview_add_sublayer ( VIK_LAYER(vtl)->vt, &(vtl->waypoints_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, NULL, TRUE, TRUE );
1648 #endif
1649 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, iter );
1650 g_hash_table_insert ( vtl->waypoints_iters, name, iter );
1651 wp->visible = TRUE;
1652 }
1653 }
1654 else
1655 wp->visible = TRUE;
1656
1657 g_hash_table_insert ( vtl->waypoints, name, wp );
1658
1659 }
1660
1661 void vik_trw_layer_add_track ( VikTrwLayer *vtl, gchar *name, VikTrack *t )
1662 {
1663 if ( VIK_LAYER(vtl)->realized )
1664 {
1665 VikTrack *oldt = VIK_TRACK ( g_hash_table_lookup ( vtl->tracks, name ) );
1666 if ( oldt )
1667 t->visible = oldt->visible; /* same visibility so we don't have to update viktreeview */
1668 else
1669 {
1670 GtkTreeIter *iter = g_malloc(sizeof(GtkTreeIter));
1671 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1672 vik_treeview_add_sublayer_alphabetized ( VIK_LAYER(vtl)->vt, &(vtl->tracks_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_TRACK, NULL, TRUE, TRUE );
1673 #else
1674 vik_treeview_add_sublayer ( VIK_LAYER(vtl)->vt, &(vtl->tracks_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_TRACK, NULL, TRUE, TRUE );
1675 #endif
1676 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, iter );
1677 g_hash_table_insert ( vtl->tracks_iters, name, iter );
1678 /* t->visible = TRUE; */
1679 }
1680 }
1681 else
1682 ; /* t->visible = TRUE; // this is now used by file input functions */
1683
1684 g_hash_table_insert ( vtl->tracks, name, t );
1685
1686 }
1687
1688 static gboolean uppercase_exists_in_hash ( GHashTable *hash, const gchar *str )
1689 {
1690 gchar *upp = g_strdup ( str );
1691 gboolean rv;
1692 char *tmp = upp;
1693 while ( *tmp )
1694 {
1695 *tmp = toupper(*tmp);
1696 tmp++;
1697 }
1698 rv = g_hash_table_lookup ( hash, upp ) ? TRUE : FALSE;
1699 g_free (upp);
1700 return rv;
1701 }
1702
1703 /* to be called whenever a track has been deleted or may have been changed. */
1704 static void trw_layer_cancel_tps_of_track ( VikTrwLayer *vtl, const gchar *trk_name )
1705 {
1706 if (vtl->current_tp_track_name && g_strcasecmp(trk_name, vtl->current_tp_track_name) == 0)
1707 trw_layer_cancel_current_tp ( vtl, FALSE );
1708 else if (vtl->last_tp_track_name && g_strcasecmp(trk_name, vtl->last_tp_track_name) == 0)
1709 trw_layer_cancel_last_tp ( vtl );
1710 }
1711
1712 static gchar *get_new_unique_sublayer_name (VikTrwLayer *vtl, gint sublayer_type, const gchar *name)
1713 {
1714 gint i = 2;
1715 gchar *newname = g_strdup(name);
1716 while ((sublayer_type == VIK_TRW_LAYER_SUBLAYER_TRACK) ?
1717 (void *)vik_trw_layer_get_track(vtl, newname) : (void *)vik_trw_layer_get_waypoint(vtl, newname)) {
1718 gchar *new_newname = g_strdup_printf("%s#%d", name, i);
1719 g_free(newname);
1720 newname = new_newname;
1721 i++;
1722 }
1723 return newname;
1724 }
1725
1726 void vik_trw_layer_filein_add_waypoint ( VikTrwLayer *vtl, gchar *name, VikWaypoint *wp )
1727 {
1728 vik_trw_layer_add_waypoint ( vtl,
1729 get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, name),
1730 wp );
1731 }
1732 void vik_trw_layer_filein_add_track ( VikTrwLayer *vtl, gchar *name, VikTrack *tr )
1733 {
1734 vik_trw_layer_add_track ( vtl,
1735 get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_TRACK, name),
1736 tr );
1737 }
1738
1739 static void trw_layer_enum_item ( const gchar *name, GList **tr, GList **l )
1740 {
1741 *l = g_list_append(*l, (gpointer)name);
1742 }
1743
1744 static void trw_layer_move_item ( VikTrwLayer *vtl_src, VikTrwLayer *vtl_dest, gchar *name, gint type )
1745 {
1746 gchar *newname = get_new_unique_sublayer_name(vtl_dest, type, name);
1747 if (type == VIK_TRW_LAYER_SUBLAYER_TRACK) {
1748 VikTrack *t;
1749 t = vik_track_copy(vik_trw_layer_get_track(vtl_src, name));
1750 vik_trw_layer_delete_track(vtl_src, name);
1751 vik_trw_layer_add_track(vtl_dest, newname, t);
1752 }
1753 if (type==VIK_TRW_LAYER_SUBLAYER_WAYPOINT) {
1754 VikWaypoint *w;
1755 w = vik_waypoint_copy(vik_trw_layer_get_waypoint(vtl_src, name));
1756 vik_trw_layer_delete_waypoint(vtl_src, name);
1757 vik_trw_layer_add_waypoint(vtl_dest, newname, w);
1758 }
1759 }
1760
1761 static void trw_layer_drag_drop_request ( VikTrwLayer *vtl_src, VikTrwLayer *vtl_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
1762 {
1763 VikTreeview *vt = VIK_LAYER(vtl_src)->vt;
1764 gint type = vik_treeview_item_get_data(vt, src_item_iter);
1765
1766 if (!vik_treeview_item_get_pointer(vt, src_item_iter)) {
1767 GList *items = NULL;
1768 GList *iter;
1769
1770 if (type==VIK_TRW_LAYER_SUBLAYER_TRACKS) {
1771 g_hash_table_foreach ( vtl_src->tracks, (GHFunc)trw_layer_enum_item, &items);
1772 }
1773 if (type==VIK_TRW_LAYER_SUBLAYER_WAYPOINTS) {
1774 g_hash_table_foreach ( vtl_src->waypoints, (GHFunc)trw_layer_enum_item, &items);
1775 }
1776
1777 iter = items;
1778 while (iter) {
1779 if (type==VIK_TRW_LAYER_SUBLAYER_TRACKS) {
1780 trw_layer_move_item ( vtl_src, vtl_dest, iter->data, VIK_TRW_LAYER_SUBLAYER_TRACK);
1781 } else {
1782 trw_layer_move_item ( vtl_src, vtl_dest, iter->data, VIK_TRW_LAYER_SUBLAYER_WAYPOINT);
1783 }
1784 iter = iter->next;
1785 }
1786 if (items)
1787 g_list_free(items);
1788 } else {
1789 gchar *name = vik_treeview_item_get_pointer(vt, src_item_iter);
1790 trw_layer_move_item(vtl_src, vtl_dest, name, type);
1791 }
1792 }
1793
1794
1795 gboolean vik_trw_layer_delete_track ( VikTrwLayer *vtl, const gchar *trk_name )
1796 {
1797 VikTrack *t = g_hash_table_lookup ( vtl->tracks, trk_name );
1798 gboolean was_visible = FALSE;
1799 if ( t )
1800 {
1801 GtkTreeIter *it;
1802 was_visible = t->visible;
1803 if ( t == vtl->current_track )
1804 vtl->current_track = NULL;
1805
1806 /* could be current_tp, so we have to check */
1807 trw_layer_cancel_tps_of_track ( vtl, trk_name );
1808
1809 g_assert ( ( it = g_hash_table_lookup ( vtl->tracks_iters, trk_name ) ) );
1810 vik_treeview_item_delete ( VIK_LAYER(vtl)->vt, it );
1811 g_hash_table_remove ( vtl->tracks_iters, trk_name );
1812
1813 /* do this last because trk_name may be pointing to actual orig key */
1814 g_hash_table_remove ( vtl->tracks, trk_name );
1815 }
1816 return was_visible;
1817 }
1818
1819 gboolean vik_trw_layer_delete_waypoint ( VikTrwLayer *vtl, const gchar *wp_name )
1820 {
1821 gboolean was_visible = FALSE;
1822 VikWaypoint *wp;
1823
1824 wp = g_hash_table_lookup ( vtl->waypoints, wp_name );
1825 if ( wp ) {
1826 GtkTreeIter *it;
1827
1828 if ( wp == vtl->current_wp ) {
1829 vtl->current_wp = NULL;
1830 vtl->current_wp_name = NULL;
1831 vtl->moving_wp = FALSE;
1832 }
1833
1834 was_visible = wp->visible;
1835 g_assert ( ( it = g_hash_table_lookup ( vtl->waypoints_iters, (gchar *) wp_name ) ) );
1836 vik_treeview_item_delete ( VIK_LAYER(vtl)->vt, it );
1837 g_hash_table_remove ( vtl->waypoints_iters, (gchar *) wp_name );
1838 g_hash_table_remove ( vtl->waypoints, wp_name ); /* last because this frees name */
1839 }
1840
1841 return was_visible;
1842 }
1843
1844 static void remove_item_from_treeview(const gchar *name, GtkTreeIter *it, VikTreeview * vt)
1845 {
1846 vik_treeview_item_delete (vt, it );
1847 }
1848
1849 void vik_trw_layer_delete_all_tracks ( VikTrwLayer *vtl )
1850 {
1851
1852 vtl->current_track = NULL;
1853 if (vtl->current_tp_track_name)
1854 trw_layer_cancel_current_tp(vtl, FALSE);
1855 if (vtl->last_tp_track_name)
1856 trw_layer_cancel_last_tp ( vtl );
1857
1858 g_hash_table_foreach(vtl->tracks_iters, (GHFunc) remove_item_from_treeview, VIK_LAYER(vtl)->vt);
1859 g_hash_table_remove_all(vtl->tracks_iters);
1860 g_hash_table_remove_all(vtl->tracks);
1861
1862 /* TODO: only update if the layer is visible (ticked) */
1863 vik_layer_emit_update ( VIK_LAYER(vtl) );
1864 }
1865
1866 void vik_trw_layer_delete_all_waypoints ( VikTrwLayer *vtl )
1867 {
1868 vtl->current_wp = NULL;
1869 vtl->current_wp_name = NULL;
1870 vtl->moving_wp = FALSE;
1871
1872 g_hash_table_foreach(vtl->waypoints_iters, (GHFunc) remove_item_from_treeview, VIK_LAYER(vtl)->vt);
1873 g_hash_table_remove_all(vtl->waypoints_iters);
1874 g_hash_table_remove_all(vtl->waypoints);
1875
1876 /* TODO: only update if the layer is visible (ticked) */
1877 vik_layer_emit_update ( VIK_LAYER(vtl) );
1878 }
1879
1880 static void trw_layer_delete_item ( gpointer pass_along[5] )
1881 {
1882 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
1883 gboolean was_visible = FALSE;
1884 if ( (gint) pass_along[2] == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1885 {
1886 was_visible = vik_trw_layer_delete_waypoint ( vtl, (gchar *) pass_along[3] );
1887 }
1888 else
1889 {
1890 was_visible = vik_trw_layer_delete_track ( vtl, (gchar *) pass_along[3] );
1891 }
1892 if ( was_visible )
1893 vik_layer_emit_update ( VIK_LAYER(vtl) );
1894 }
1895
1896
1897 static void trw_layer_properties_item ( gpointer pass_along[5] )
1898 {
1899 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
1900 if ( (gint) pass_along[2] == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1901 {
1902 VikWaypoint *wp = g_hash_table_lookup ( vtl->waypoints, pass_along[3] );
1903 if ( wp )
1904 {
1905 if ( a_dialog_new_waypoint ( VIK_GTK_WINDOW_FROM_LAYER(vtl), NULL, wp, NULL, vtl->coord_mode ) )
1906
1907 if ( VIK_LAYER(vtl)->visible )
1908 vik_layer_emit_update ( VIK_LAYER(vtl) );
1909 }
1910 }
1911 else
1912 {
1913 VikTrack *tr = g_hash_table_lookup ( vtl->tracks, pass_along[3] );
1914 if ( tr )
1915 {
1916 gint resp = vik_trw_layer_propwin_run ( VIK_GTK_WINDOW_FROM_LAYER(vtl), tr, pass_along[1] /* vlp */ );
1917 if ( resp == VIK_TRW_LAYER_PROPWIN_DEL_DUP )
1918 {
1919 vik_track_remove_dup_points(tr);
1920 /* above operation could have deleted current_tp or last_tp */
1921 trw_layer_cancel_tps_of_track ( vtl, (gchar *) pass_along[3] );
1922 vik_layer_emit_update ( VIK_LAYER(vtl) );
1923 }
1924 if ( resp == VIK_TRW_LAYER_PROPWIN_REVERSE )
1925 {
1926 vik_track_reverse(tr);
1927 vik_layer_emit_update ( VIK_LAYER(vtl) );
1928 }
1929 else if ( resp == VIK_TRW_LAYER_PROPWIN_SPLIT )
1930 {
1931 /* get new tracks, add them, resolve naming conflicts (free if cancel), and delete old. old can still exist on clipboard. */
1932 guint ntracks;
1933 VikTrack **tracks = vik_track_split_into_segments(tr, &ntracks);
1934 gchar *new_tr_name;
1935 guint i;
1936 for ( i = 0; i < ntracks; i++ )
1937 {
1938 g_assert ( tracks[i] );
1939 new_tr_name = g_strdup_printf("%s #%d", (gchar *) pass_along[3], i+1);
1940 /* if ( (wp_exists) && (! overwrite) ) */
1941 /* don't need to upper case new_tr_name because old tr name was uppercase */
1942 if ( g_hash_table_lookup ( vtl->tracks, new_tr_name ) &&
1943 ( ! a_dialog_overwrite ( VIK_GTK_WINDOW_FROM_LAYER(vtl), "The track \"%s\" exists, do you wish to overwrite it?", new_tr_name ) ) )
1944 {
1945 gchar *new_new_tr_name = a_dialog_new_track ( VIK_GTK_WINDOW_FROM_LAYER(vtl), vtl->tracks );
1946 g_free ( new_tr_name );
1947 if (new_new_tr_name)
1948 new_tr_name = new_new_tr_name;
1949 else
1950 {
1951 new_tr_name = NULL;
1952 vik_track_free ( tracks[i] );
1953 }
1954 }
1955 if ( new_tr_name )
1956 vik_trw_layer_add_track ( vtl, new_tr_name, tracks[i] );
1957 }
1958 if ( tracks )
1959 {
1960 g_free ( tracks );
1961 vik_trw_layer_delete_track ( vtl, (gchar *) pass_along[3] );
1962 vik_layer_emit_update ( VIK_LAYER(vtl) ); /* chase thru the hoops */
1963 }
1964 }
1965 }
1966 }
1967 }
1968
1969 static void goto_coord ( VikLayersPanel *vlp, const VikCoord *coord )
1970 {
1971 vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(vlp), coord );
1972 vik_layers_panel_emit_update ( vlp );
1973 }
1974
1975 static void trw_layer_goto_track_startpoint ( gpointer pass_along[5] )
1976 {
1977 GList *trps = ((VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] ))->trackpoints;
1978 if ( trps && trps->data )
1979 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(((VikTrackpoint *) trps->data)->coord));
1980 }
1981
1982 static void trw_layer_goto_track_center ( gpointer pass_along[5] )
1983 {
1984 GList **trps = g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
1985 if ( trps && *trps )
1986 {
1987 struct LatLon average, maxmin[2] = { {0,0}, {0,0} };
1988 VikCoord coord;
1989 trw_layer_find_maxmin_tracks ( NULL, trps, maxmin );
1990 average.lat = (maxmin[0].lat+maxmin[1].lat)/2;
1991 average.lon = (maxmin[0].lon+maxmin[1].lon)/2;
1992 vik_coord_load_from_latlon ( &coord, VIK_TRW_LAYER(pass_along[0])->coord_mode, &average );
1993 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &coord);
1994 }
1995 }
1996
1997 static void trw_layer_apply_dem_data ( gpointer pass_along[6] )
1998 {
1999 /* TODO: check & warn if no DEM data, or no applicable DEM data. */
2000 /* Also warn if overwrite old elevation data */
2001 VikTrack *track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
2002
2003 vik_track_apply_dem_data ( track );
2004 }
2005
2006
2007 static void trw_layer_goto_track_endpoint ( gpointer pass_along[6] )
2008 {
2009 GList *trps = ((VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] ))->trackpoints;
2010 if ( !trps )
2011 return;
2012 trps = g_list_last(trps);
2013 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(((VikTrackpoint *) trps->data)->coord));
2014 }
2015
2016
2017 /*************************************
2018 * merge/split by time routines
2019 *************************************/
2020
2021 /* called for each key in track hash table. if original track user_data[1] is close enough
2022 * to the passed one, add it to list in user_data[0]
2023 */
2024 static void find_nearby_track(gpointer key, gpointer value, gpointer user_data)
2025 {
2026 time_t t1, t2;
2027 VikTrackpoint *p1, *p2;
2028
2029 GList **nearby_tracks = ((gpointer *)user_data)[0];
2030 GList *orig_track = ((gpointer *)user_data)[1];
2031 guint thr = (guint)((gpointer *)user_data)[2];
2032
2033 t1 = VIK_TRACKPOINT(orig_track->data)->timestamp;
2034 t2 = VIK_TRACKPOINT(g_list_last(orig_track)->data)->timestamp;
2035
2036 if (VIK_TRACK(value)->trackpoints == orig_track) {
2037 return;
2038 }
2039
2040 p1 = VIK_TRACKPOINT(VIK_TRACK(value)->trackpoints->data);
2041 p2 = VIK_TRACKPOINT(g_list_last(VIK_TRACK(value)->trackpoints)->data);
2042
2043 if (!p1->has_timestamp || !p2->has_timestamp) {
2044 g_print("no timestamp\n");
2045 return;
2046 }
2047
2048 /* g_print("Got track named %s, times %d, %d\n", (gchar *)key, p1->timestamp, p2->timestamp); */
2049 if (abs(t1 - p2->timestamp) < thr*60 ||
2050 /* p1 p2 t1 t2 */
2051 abs(p1->timestamp - t2) < thr*60
2052 /* t1 t2 p1 p2 */
2053 ) {
2054 *nearby_tracks = g_list_prepend(*nearby_tracks, key);
2055 }
2056 }
2057
2058 /* comparison function used to sort tracks; a and b are hash table keys */
2059 static gint track_compare(gconstpointer a, gconstpointer b, gpointer user_data)
2060 {
2061 GHashTable *tracks = user_data;
2062 time_t t1, t2;
2063
2064 t1 = VIK_TRACKPOINT(VIK_TRACK(g_hash_table_lookup(tracks, a))->trackpoints->data)->timestamp;
2065 t2 = VIK_TRACKPOINT(VIK_TRACK(g_hash_table_lookup(tracks, b))->trackpoints->data)->timestamp;
2066
2067 if (t1 < t2) return -1;
2068 if (t1 > t2) return 1;
2069 return 0;
2070 }
2071
2072 /* comparison function used to sort trackpoints */
2073 static gint trackpoint_compare(gconstpointer a, gconstpointer b)
2074 {
2075 time_t t1 = VIK_TRACKPOINT(a)->timestamp, t2 = VIK_TRACKPOINT(b)->timestamp;
2076
2077 if (t1 < t2) return -1;
2078 if (t1 > t2) return 1;
2079 return 0;
2080 }
2081
2082 /* merge by time routine */
2083 static void trw_layer_merge_by_timestamp ( gpointer pass_along[6] )
2084 {
2085 time_t t1, t2;
2086 GList *nearby_tracks = NULL;
2087 VikTrack *track;
2088 GList *trps;
2089 static guint thr = 1;
2090 guint track_count = 0;
2091 gchar *orig_track_name = strdup(pass_along[3]);
2092
2093 if (!a_dialog_time_threshold(VIK_GTK_WINDOW_FROM_LAYER(pass_along[0]),
2094 "Merge Threshold...",
2095 "Merge when time between trackpoints less than:",
2096 &thr)) {
2097 return;
2098 }
2099
2100 /* merge tracks until we can't */
2101 do {
2102 gpointer params[3];
2103
2104 track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, orig_track_name );
2105 trps = track->trackpoints;
2106 if ( !trps )
2107 return;
2108
2109
2110 if (nearby_tracks) {
2111 g_list_free(nearby_tracks);
2112 nearby_tracks = NULL;
2113 }
2114
2115 t1 = ((VikTrackpoint *)trps->data)->timestamp;
2116 t2 = ((VikTrackpoint *)g_list_last(trps)->data)->timestamp;
2117
2118 /* g_print("Original track times: %d and %d\n", t1, t2); */
2119 params[0] = &nearby_tracks;
2120 params[1] = trps;
2121 params[2] = (gpointer)thr;
2122
2123 /* get a list of adjacent-in-time tracks */
2124 g_hash_table_foreach(VIK_TRW_LAYER(pass_along[0])->tracks, find_nearby_track, (gpointer)params);
2125
2126 /* add original track */
2127 nearby_tracks = g_list_prepend(nearby_tracks, orig_track_name);
2128
2129 /* sort by first trackpoint; assumes they don't overlap */
2130 nearby_tracks = g_list_sort_with_data(nearby_tracks, track_compare, VIK_TRW_LAYER(pass_along[0])->tracks);
2131
2132 /* merge them */
2133 {
2134 #define get_track(x) VIK_TRACK(g_hash_table_lookup(VIK_TRW_LAYER(pass_along[0])->tracks, (gchar *)((x)->data)))
2135 #define get_first_trackpoint(x) VIK_TRACKPOINT(get_track(x)->trackpoints->data)
2136 #define get_last_trackpoint(x) VIK_TRACKPOINT(g_list_last(get_track(x)->trackpoints)->data)
2137 GList *l = nearby_tracks;
2138 VikTrack *tr = vik_track_new();
2139 tr->visible = track->visible;
2140 track_count = 0;
2141 while (l) {
2142 /*
2143 time_t t1, t2;
2144 t1 = get_first_trackpoint(l)->timestamp;
2145 t2 = get_last_trackpoint(l)->timestamp;
2146 g_print(" %20s: track %d - %d\n", (char *)l->data, (int)t1, (int)t2);
2147 */
2148
2149
2150 /* remove trackpoints from merged track, delete track */
2151 tr->trackpoints = g_list_concat(tr->trackpoints, get_track(l)->trackpoints);
2152 get_track(l)->trackpoints = NULL;
2153 vik_trw_layer_delete_track(VIK_TRW_LAYER(pass_along[0]), l->data);
2154
2155 track_count ++;
2156 l = g_list_next(l);
2157 }
2158 tr->trackpoints = g_list_sort(tr->trackpoints, trackpoint_compare);
2159 vik_trw_layer_add_track(VIK_TRW_LAYER(pass_along[0]), strdup(orig_track_name), tr);
2160
2161 #undef get_first_trackpoint
2162 #undef get_last_trackpoint
2163 #undef get_track
2164 }
2165 } while (track_count > 1);
2166 g_list_free(nearby_tracks);
2167 free(orig_track_name);
2168 vik_layer_emit_update(VIK_LAYER(pass_along[0]));
2169 }
2170
2171 /* split by time routine */
2172 static void trw_layer_split_by_timestamp ( gpointer pass_along[6] )
2173 {
2174 VikTrack *track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
2175 GList *trps = track->trackpoints;
2176 GList *iter;
2177 GList *newlists = NULL;
2178 GList *newtps = NULL;
2179 guint i;
2180 static guint thr = 1;
2181
2182 time_t ts, prev_ts;
2183
2184 if ( !trps )
2185 return;
2186
2187 if (!a_dialog_time_threshold(VIK_GTK_WINDOW_FROM_LAYER(pass_along[0]),
2188 "Split Threshold...",
2189 "Split when time between trackpoints exceeds:",
2190 &thr)) {
2191 return;
2192 }
2193
2194 /* iterate through trackpoints, and copy them into new lists without touching original list */
2195 prev_ts = VIK_TRACKPOINT(trps->data)->timestamp;
2196 iter = trps;
2197
2198 while (iter) {
2199 ts = VIK_TRACKPOINT(iter->data)->timestamp;
2200 if (ts < prev_ts) {
2201 g_print("panic: ts < prev_ts: this should never happen!\n");
2202 return;
2203 }
2204 if (ts - prev_ts > thr*60) {
2205 /* flush accumulated trackpoints into new list */
2206 newlists = g_list_prepend(newlists, g_list_reverse(newtps));
2207 newtps = NULL;
2208 }
2209
2210 /* accumulate trackpoint copies in newtps, in reverse order */
2211 newtps = g_list_prepend(newtps, vik_trackpoint_copy(VIK_TRACKPOINT(iter->data)));
2212 prev_ts = ts;
2213 iter = g_list_next(iter);
2214 }
2215 if (newtps) {
2216 newlists = g_list_prepend(newlists, g_list_reverse(newtps));
2217 }
2218
2219 /* put lists of trackpoints into tracks */
2220 iter = newlists;
2221 i = 1;
2222 while (iter) {
2223 gchar *new_tr_name;
2224 VikTrack *tr;
2225
2226 tr = vik_track_new();
2227 tr->visible = track->visible;
2228 tr->trackpoints = (GList *)(iter->data);
2229
2230 new_tr_name = g_strdup_printf("%s #%d", (gchar *) pass_along[3], i++);
2231 vik_trw_layer_add_track(VIK_TRW_LAYER(pass_along[0]), new_tr_name, tr);
2232 /* g_print("adding track %s, times %d - %d\n", new_tr_name, VIK_TRACKPOINT(tr->trackpoints->data)->timestamp,
2233 VIK_TRACKPOINT(g_list_last(tr->trackpoints)->data)->timestamp);*/
2234
2235 iter = g_list_next(iter);
2236 }
2237 g_list_free(newlists);
2238 vik_trw_layer_delete_track(VIK_TRW_LAYER(pass_along[0]), (gchar *)pass_along[3]);
2239 vik_layer_emit_update(VIK_LAYER(pass_along[0]));
2240 }
2241
2242 /* end of split/merge routines */
2243
2244
2245 static void trw_layer_goto_waypoint ( gpointer pass_along[5] )
2246 {
2247 VikWaypoint *wp = g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->waypoints, pass_along[3] );
2248 if ( wp )
2249 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(wp->coord) );
2250 }
2251
2252 static void trw_layer_waypoint_gc_webpage ( gpointer pass_along[5] )
2253 {
2254 gchar *webpage = g_strdup_printf("http://www.geocaching.com/seek/cache_details.aspx?wp=%s", (gchar *) pass_along[3] );
2255 #ifdef WINDOWS
2256 ShellExecute(NULL, NULL, (char *) webpage, NULL, ".\\", 0);
2257 #else /* WINDOWS */
2258 GError *err = NULL;
2259 gchar *cmd = g_strdup_printf ( "%s %s", UNIX_WEB_BROWSER, webpage );
2260 if ( ! g_spawn_command_line_async ( cmd, &err ) )
2261 {
2262 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(VIK_LAYER(pass_along[0])), "Could not launch web browser." );
2263 g_error_free ( err );
2264 }
2265 g_free ( cmd );
2266 #endif /* WINDOWS */
2267 g_free ( webpage );
2268 }
2269
2270 const gchar *vik_trw_layer_sublayer_rename_request ( VikTrwLayer *l, const gchar *newname, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter )
2271 {
2272 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
2273 {
2274 int i;
2275 gchar *rv;
2276 VikWaypoint *wp;
2277
2278 if ( strcasecmp ( newname, sublayer ) == 0 )
2279 return NULL;
2280
2281 if ( uppercase_exists_in_hash ( l->waypoints, newname ) )
2282 {
2283 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(l), "Waypoint Already Exists" );
2284 return NULL;
2285 }
2286
2287 iter = g_hash_table_lookup ( l->waypoints_iters, sublayer );
2288 g_hash_table_steal ( l->waypoints_iters, sublayer );
2289
2290 wp = vik_waypoint_copy ( VIK_WAYPOINT(g_hash_table_lookup ( l->waypoints, sublayer )) );
2291 g_hash_table_remove ( l->waypoints, sublayer );
2292
2293 rv = g_strdup(newname);
2294 for ( i = strlen(rv) - 1; i >= 0; i-- )
2295 rv[i] = toupper(rv[i]);
2296
2297 vik_treeview_item_set_pointer ( VIK_LAYER(l)->vt, iter, rv );
2298
2299 g_hash_table_insert ( l->waypoints, rv, wp );
2300 g_hash_table_insert ( l->waypoints_iters, rv, iter );
2301
2302 /* it hasn't been updated yet so we pass new name */
2303 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
2304 vik_treeview_sublayer_realphabetize ( VIK_LAYER(l)->vt, iter, rv );
2305 #endif
2306
2307 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vlp) );
2308 return rv;
2309 }
2310 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2311 {
2312 int i;
2313 gchar *rv;
2314 VikTrack *tr;
2315 GtkTreeIter *iter;
2316 gchar *orig_key;
2317
2318 if ( strcasecmp ( newname, sublayer ) == 0 )
2319 return NULL;
2320
2321 if ( uppercase_exists_in_hash ( l->tracks, newname ) )
2322 {
2323 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(l), "Track Already Exists" );
2324 return NULL;
2325 }
2326
2327 g_hash_table_lookup_extended ( l->tracks, sublayer, (void *)&orig_key, (void *)&tr );
2328 g_hash_table_steal ( l->tracks, sublayer );
2329
2330 iter = g_hash_table_lookup ( l->tracks_iters, sublayer );
2331 g_hash_table_steal ( l->tracks_iters, sublayer );
2332
2333 rv = g_strdup(newname);
2334 for ( i = strlen(rv) - 1; i >= 0; i-- )
2335 rv[i] = toupper(rv[i]);
2336
2337 vik_treeview_item_set_pointer ( VIK_LAYER(l)->vt, iter, rv );
2338
2339 g_hash_table_insert ( l->tracks, rv, tr );
2340 g_hash_table_insert ( l->tracks_iters, rv, iter );
2341
2342 /* don't forget about current_tp_track_name, update that too */
2343 if ( l->current_tp_track_name && g_strcasecmp(orig_key,l->current_tp_track_name) == 0 )
2344 {
2345 l->current_tp_track_name = rv;
2346 if ( l->tpwin )
2347 vik_trw_layer_tpwin_set_track_name ( l->tpwin, rv );
2348 }
2349 else if ( l->last_tp_track_name && g_strcasecmp(orig_key,l->last_tp_track_name) == 0 )
2350 l->last_tp_track_name = rv;
2351
2352 g_free ( orig_key );
2353
2354 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
2355 vik_treeview_sublayer_realphabetize ( VIK_LAYER(l)->vt, iter, rv );
2356 #endif
2357
2358 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vlp) );
2359 return rv;
2360 }
2361 return NULL;
2362 }
2363
2364 static gboolean is_valid_geocache_name ( gchar *str )
2365 {
2366 gint len = strlen ( str );
2367 return len >= 3 && len <= 6 && str[0] == 'G' && str[1] == 'C' && isalnum(str[2]) && (len < 4 || isalnum(str[3])) && (len < 5 || isalnum(str[4])) && (len < 6 || isalnum(str[5]));
2368 }
2369
2370 /* vlp can be NULL if necessary - i.e. right-click from a tool -- but be careful, some functions may try to use it */
2371 gboolean vik_trw_layer_sublayer_add_menu_items ( VikTrwLayer *l, GtkMenu *menu, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter )
2372 {
2373 static GtkTreeIter staticiter;
2374 static gpointer pass_along[5];
2375 GtkWidget *item;
2376 gboolean rv = FALSE;
2377
2378 pass_along[0] = l;
2379 pass_along[1] = vlp;
2380 pass_along[2] = (gpointer) subtype;
2381 pass_along[3] = sublayer;
2382 staticiter = *iter; /* will exist after function has ended */
2383 pass_along[4] = &staticiter;
2384
2385 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT || subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2386 {
2387 rv = TRUE;
2388
2389 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PROPERTIES, NULL );
2390 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_properties_item), pass_along );
2391 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2392 gtk_widget_show ( item );
2393
2394 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_CUT, NULL );
2395 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_cut_item_cb), pass_along );
2396 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2397 gtk_widget_show ( item );
2398
2399 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_COPY, NULL );
2400 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_copy_item_cb), pass_along );
2401 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2402 gtk_widget_show ( item );
2403
2404 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_DELETE, NULL );
2405 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_delete_item), pass_along );
2406 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2407 gtk_widget_show ( item );
2408
2409 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
2410 {
2411 /* could be a right-click using the tool */
2412 if ( vlp != NULL ) {
2413 item = gtk_menu_item_new_with_label ( "Goto" );
2414 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_waypoint), pass_along );
2415 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2416 gtk_widget_show ( item );
2417 }
2418
2419 if ( is_valid_geocache_name ( (gchar *) sublayer ) )
2420 {
2421 item = gtk_menu_item_new_with_label ( "Visit Geocache Webpage" );
2422 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_waypoint_gc_webpage), pass_along );
2423 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2424 gtk_widget_show ( item );
2425 }
2426
2427 }
2428 }
2429
2430 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2431 {
2432 item = gtk_menu_item_new ();
2433 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2434 gtk_widget_show ( item );
2435
2436 item = gtk_menu_item_new_with_label ( "Goto Startpoint" );
2437 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_startpoint), pass_along );
2438 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2439 gtk_widget_show ( item );
2440
2441 item = gtk_menu_item_new_with_label ( "Goto \"Center\"" );
2442 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_center), pass_along );
2443 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2444 gtk_widget_show ( item );
2445
2446 item = gtk_menu_item_new_with_label ( "Goto Endpoint" );
2447 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_endpoint), pass_along );
2448 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2449 gtk_widget_show ( item );
2450
2451 item = gtk_menu_item_new_with_label ( "Merge By Time" );
2452 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_merge_by_timestamp), pass_along );
2453 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2454 gtk_widget_show ( item );
2455
2456 item = gtk_menu_item_new_with_label ( "Split By Time" );
2457 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_split_by_timestamp), pass_along );
2458 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2459 gtk_widget_show ( item );
2460
2461 item = gtk_menu_item_new_with_label ( "Download maps along track..." );
2462 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_download_map_along_track_cb), pass_along );
2463 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2464 gtk_widget_show ( item );
2465
2466 item = gtk_menu_item_new_with_label ( "Apply DEM Data" );
2467 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_apply_dem_data), pass_along );
2468 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2469 gtk_widget_show ( item );
2470 }
2471
2472 if ( vlp && (subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINTS || subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT) )
2473 {
2474 item = gtk_menu_item_new ();
2475 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2476 gtk_widget_show ( item );
2477
2478 item = gtk_menu_item_new_with_label ( "New Waypoint" );
2479 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_new_wp), pass_along );
2480 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
2481 gtk_widget_show ( item );
2482 }
2483
2484 return rv;
2485 }
2486
2487
2488 /* to be called when last_tpl no long exists. */
2489 static void trw_layer_cancel_last_tp ( VikTrwLayer *vtl )
2490 {
2491 if ( vtl->tpwin ) /* can't join with a non-existant TP. */
2492 vik_trw_layer_tpwin_disable_join ( vtl->tpwin );
2493 vtl->last_tpl = NULL;
2494 vtl->last_tp_track_name = NULL;
2495 }
2496
2497 static void trw_layer_cancel_current_tp ( VikTrwLayer *vtl, gboolean destroy )
2498 {
2499 if ( vtl->tpwin )
2500 {
2501 if ( destroy)
2502 {
2503 gtk_widget_destroy ( GTK_WIDGET(vtl->tpwin) );
2504 vtl->tpwin = NULL;
2505 }
2506 else
2507 vik_trw_layer_tpwin_set_empty ( vtl->tpwin );
2508 }
2509 if ( vtl->current_tpl )
2510 {
2511 vtl->current_tpl = NULL;
2512 vtl->current_tp_track_name = NULL;
2513 vik_layer_emit_update(VIK_LAYER(vtl));
2514 }
2515 }
2516
2517 static void trw_layer_tpwin_response ( VikTrwLayer *vtl, gint response )
2518 {
2519 g_assert ( vtl->tpwin != NULL );
2520 if ( response == VIK_TRW_LAYER_TPWIN_CLOSE )
2521 trw_layer_cancel_current_tp ( vtl, TRUE );
2522 else if ( response == VIK_TRW_LAYER_TPWIN_SPLIT && vtl->current_tpl->next && vtl->current_tpl->prev )
2523 {
2524 gchar *name;
2525 if ( ( name = a_dialog_new_track ( GTK_WINDOW(vtl->tpwin), vtl->tracks ) ) )
2526 {
2527 VikTrack *tr = vik_track_new ();
2528 GList *newglist = g_list_alloc ();
2529 newglist->prev = NULL;
2530 newglist->next = vtl->current_tpl->next;
2531 newglist->data = vik_trackpoint_copy(VIK_TRACKPOINT(vtl->current_tpl->data));
2532 tr->trackpoints = newglist;
2533
2534 vtl->current_tpl->next->prev = newglist; /* end old track here */
2535 vtl->current_tpl->next = NULL;
2536
2537 vtl->current_tpl = newglist; /* change tp to first of new track. */
2538 vtl->current_tp_track_name = name;
2539
2540 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2541
2542 vik_trw_layer_add_track ( vtl, name, tr );
2543 vik_layer_emit_update(VIK_LAYER(vtl));
2544 }
2545 }
2546 else if ( response == VIK_TRW_LAYER_TPWIN_DELETE )
2547 {
2548 VikTrack *tr = g_hash_table_lookup ( vtl->tracks, vtl->current_tp_track_name );
2549 GList *new_tpl;
2550 g_assert(tr != NULL);
2551
2552 /* can't join with a non-existent trackpoint */
2553 vtl->last_tpl = NULL;
2554 vtl->last_tp_track_name = NULL;
2555
2556 if ( (new_tpl = vtl->current_tpl->next) || (new_tpl = vtl->current_tpl->prev) )
2557 {
2558 if ( VIK_TRACKPOINT(vtl->current_tpl->data)->newsegment && vtl->current_tpl->next )
2559 VIK_TRACKPOINT(vtl->current_tpl->next->data)->newsegment = TRUE; /* don't concat segments on del */
2560
2561 tr->trackpoints = g_list_remove_link ( tr->trackpoints, vtl->current_tpl ); /* this nulls current_tpl->prev and next */
2562
2563 /* at this point the old trackpoint exists, but the list links are correct (new), so it is safe to do this. */
2564 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, new_tpl, vtl->current_tp_track_name );
2565
2566 trw_layer_cancel_last_tp ( vtl );
2567
2568 g_free ( vtl->current_tpl->data ); /* TODO: vik_trackpoint_free() */
2569 g_list_free_1 ( vtl->current_tpl );
2570 vtl->current_tpl = new_tpl;
2571 vik_layer_emit_update(VIK_LAYER(vtl));
2572 }
2573 else
2574 {
2575 tr->trackpoints = g_list_remove_link ( tr->trackpoints, vtl->current_tpl );
2576 g_free ( vtl->current_tpl->data ); /* TODO longone: vik_trackpoint_new() and vik_trackpoint_free() */
2577 g_list_free_1 ( vtl->current_tpl );
2578 trw_layer_cancel_current_tp ( vtl, FALSE );
2579 }
2580 }
2581 else if ( response == VIK_TRW_LAYER_TPWIN_FORWARD && vtl->current_tpl->next )
2582 {
2583 vtl->last_tpl = vtl->current_tpl;
2584 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl = vtl->current_tpl->next, vtl->current_tp_track_name );
2585 vik_layer_emit_update(VIK_LAYER(vtl)); /* TODO longone: either move or only update if tp is inside drawing window */
2586 }
2587 else if ( response == VIK_TRW_LAYER_TPWIN_BACK && vtl->current_tpl->prev )
2588 {
2589 vtl->last_tpl = vtl->current_tpl;
2590 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl = vtl->current_tpl->prev, vtl->current_tp_track_name );
2591 vik_layer_emit_update(VIK_LAYER(vtl));
2592 }
2593 else if ( response == VIK_TRW_LAYER_TPWIN_JOIN )
2594 {
2595 VikTrack *tr1 = g_hash_table_lookup ( vtl->tracks, vtl->last_tp_track_name );
2596 VikTrack *tr2 = g_hash_table_lookup ( vtl->tracks, vtl->current_tp_track_name );
2597
2598 VikTrack *tr_first = tr1, *tr_last = tr2;
2599
2600 gchar *tmp;
2601
2602 if ( (!vtl->last_tpl->next) && (!vtl->current_tpl->next) ) /* both endpoints */
2603 vik_track_reverse ( tr2 ); /* reverse the second, that way second track clicked will be later. */
2604 else if ( (!vtl->last_tpl->prev) && (!vtl->current_tpl->prev) )
2605 vik_track_reverse ( tr1 );
2606 else if ( (!vtl->last_tpl->prev) && (!vtl->current_tpl->next) ) /* clicked startpoint, then endpoint -- concat end to start */
2607 {
2608 tr_first = tr2;
2609 tr_last = tr1;
2610 }
2611 /* default -- clicked endpoint then startpoint -- connect endpoint to startpoint */
2612
2613 if ( tr_last->trackpoints ) /* deleting this part here joins them into 1 segmented track. useful but there's no place in the UI for this feature. segments should be deprecated anyway. */
2614 VIK_TRACKPOINT(tr_last->trackpoints->data)->newsegment = FALSE;
2615 tr1->trackpoints = g_list_concat ( tr_first->trackpoints, tr_last->trackpoints );
2616 tr2->trackpoints = NULL;
2617
2618 tmp = vtl->current_tp_track_name;
2619
2620 vtl->current_tp_track_name = vtl->last_tp_track_name; /* current_tp stays the same (believe it or not!) */
2621 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2622
2623 /* if we did this before, trw_layer_delete_track would have canceled the current tp because
2624 * it was the current track. canceling the current tp would have set vtl->current_tpl to NULL */
2625 vik_trw_layer_delete_track ( vtl, tmp );
2626
2627 trw_layer_cancel_last_tp ( vtl ); /* same TP, can't join. */
2628 vik_layer_emit_update(VIK_LAYER(vtl));
2629 }
2630 else if ( response == VIK_TRW_LAYER_TPWIN_DATA_CHANGED )
2631 vik_layer_emit_update (VIK_LAYER(vtl));
2632 }
2633
2634 static void trw_layer_tpwin_init ( VikTrwLayer *vtl )
2635 {
2636 if ( ! vtl->tpwin )
2637 {
2638 vtl->tpwin = vik_trw_layer_tpwin_new ( VIK_GTK_WINDOW_FROM_LAYER(vtl) );
2639 g_signal_connect_swapped ( GTK_DIALOG(vtl->tpwin), "response", G_CALLBACK(trw_layer_tpwin_response), vtl );
2640 /* connect signals -- DELETE SIGNAL VERY IMPORTANT TO SET TO NULL */
2641 g_signal_connect_swapped ( vtl->tpwin, "delete-event", G_CALLBACK(trw_layer_cancel_current_tp), vtl );
2642 gtk_widget_show_all ( GTK_WIDGET(vtl->tpwin) );
2643 }
2644 if ( vtl->current_tpl )
2645 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2646 /* set layer name and TP data */
2647 }
2648
2649 /***************************************************************************
2650 ** Tool code
2651 ***************************************************************************/
2652
2653 /*** Utility data structures and functions ****/
2654
2655 typedef struct {
2656 gint x, y;
2657 gint closest_x, closest_y;
2658 gchar *closest_wp_name;
2659 VikWaypoint *closest_wp;
2660 VikViewport *vvp;
2661 } WPSearchParams;
2662
2663 typedef struct {
2664 gint x, y;
2665 gint closest_x, closest_y;
2666 gchar *closest_track_name;
2667 VikTrackpoint *closest_tp;
2668 VikViewport *vvp;
2669 GList *closest_tpl;
2670 } TPSearchParams;
2671
2672 static void waypoint_search_closest_tp ( gchar *name, VikWaypoint *wp, WPSearchParams *params )
2673 {
2674 gint x, y;
2675 if ( !wp->visible )
2676 return;
2677
2678 vik_viewport_coord_to_screen ( params->vvp, &(wp->coord), &x, &y );
2679
2680 if ( abs (x - params->x) <= WAYPOINT_SIZE_APPROX && abs (y - params->y) <= WAYPOINT_SIZE_APPROX &&
2681 ((!params->closest_wp) || /* was the old waypoint we already found closer than this one? */
2682 abs(x - params->x)+abs(y - params->y) < abs(x - params->closest_x)+abs(y - params->closest_y)))
2683 {
2684 params->closest_wp_name = name;
2685 params->closest_wp = wp;
2686 params->closest_x = x;
2687 params->closest_y = y;
2688 }
2689 }
2690
2691 static void track_search_closest_tp ( gchar *name, VikTrack *t, TPSearchParams *params )
2692 {
2693 GList *tpl = t->trackpoints;
2694 VikTrackpoint *tp;
2695
2696 if ( !t->visible )
2697 return;
2698
2699 while (tpl)
2700 {
2701 gint x, y;
2702 tp = VIK_TRACKPOINT(tpl->data);
2703
2704 vik_viewport_coord_to_screen ( params->vvp, &(tp->coord), &x, &y );
2705
2706 if ( abs (x - params->x) <= TRACKPOINT_SIZE_APPROX && abs (y - params->y) <= TRACKPOINT_SIZE_APPROX &&
2707 ((!params->closest_tp) || /* was the old trackpoint we already found closer than this one? */
2708 abs(x - params->x)+abs(y - params->y) < abs(x - params->closest_x)+abs(y - params->closest_y)))
2709 {
2710 params->closest_track_name = name;
2711 params->closest_tp = tp;
2712 params->closest_tpl = tpl;
2713 params->closest_x = x;
2714 params->closest_y = y;
2715 }
2716 tpl = tpl->next;
2717 }
2718 }
2719
2720 static VikTrackpoint *closest_tp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y )
2721 {
2722 TPSearchParams params;
2723 params.x = x;
2724 params.y = y;
2725 params.vvp = vvp;
2726 params.closest_track_name = NULL;
2727 params.closest_tp = NULL;
2728 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_search_closest_tp, &params);
2729 return params.closest_tp;
2730 }
2731
2732 static VikWaypoint *closest_wp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y )
2733 {
2734 WPSearchParams params;
2735 params.x = x;
2736 params.y = y;
2737 params.vvp = vvp;
2738 params.closest_wp = NULL;
2739 params.closest_wp_name = NULL;
2740 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_search_closest_tp, &params);
2741 return params.closest_wp;
2742 }
2743
2744 /* background drawing hook, to be passed the viewport */
2745 static gboolean tool_sync_done = TRUE;
2746
2747 static gboolean tool_sync(gpointer data)
2748 {
2749 VikViewport *vvp = data;
2750 gdk_threads_enter();
2751 vik_viewport_sync(vvp);
2752 tool_sync_done = TRUE;
2753 gdk_threads_leave();
2754 return FALSE;
2755 }
2756
2757 typedef struct {
2758 VikViewport *vvp;
2759 gboolean holding;
2760 GdkGC *gc;
2761 int oldx, oldy;
2762 } tool_ed_t;
2763
2764 static void marker_begin_move ( tool_ed_t *t, gint x, gint y )
2765 {
2766 t->holding = TRUE;
2767 t->gc = vik_viewport_new_gc (t->vvp, "black", 2);
2768 gdk_gc_set_function ( t->gc, GDK_INVERT );
2769 vik_viewport_draw_rectangle ( t->vvp, t->gc, FALSE, x-3, y-3, 6, 6 );
2770 vik_viewport_sync(t->vvp);
2771 t->oldx = x;
2772 t->oldy = y;
2773 }
2774
2775 static void marker_moveto ( tool_ed_t *t, gint x, gint y )
2776 {
2777 VikViewport *vvp = t->vvp;
2778 vik_viewport_draw_rectangle ( vvp, t->gc, FALSE, t->oldx-3, t->oldy-3, 6, 6 );
2779 vik_viewport_draw_rectangle ( vvp, t->gc, FALSE, x-3, y-3, 6, 6 );
2780 t->oldx = x;
2781 t->oldy = y;
2782 if (tool_sync_done) {
2783 g_idle_add_full (G_PRIORITY_HIGH_IDLE + 10, tool_sync, vvp, NULL);
2784 tool_sync_done = FALSE;
2785 }
2786 }
2787
2788 static void marker_end_move ( tool_ed_t *t )
2789 {
2790 vik_viewport_draw_rectangle ( t->vvp, t->gc, FALSE, t->oldx-3, t->oldy-3, 6, 6 );
2791 g_object_unref ( t->gc );
2792 t->holding = FALSE;
2793 }
2794
2795 /*** Edit waypoint ****/
2796
2797 static gpointer tool_edit_waypoint_create ( VikWindow *vw, VikViewport *vvp)
2798 {
2799 tool_ed_t *t = g_new(tool_ed_t, 1);
2800 t->vvp = vvp;
2801 t->holding = FALSE;
2802 return t;
2803 }
2804
2805 static gboolean tool_edit_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
2806 {
2807 WPSearchParams params;
2808 tool_ed_t *t = data;
2809 VikViewport *vvp = t->vvp;
2810
2811 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2812 return FALSE;
2813
2814 if ( t->holding ) {
2815 return TRUE;
2816 }
2817
2818 if ( vtl->current_wp && vtl->current_wp->visible )
2819 {
2820 /* first check if current WP is within area (other may be 'closer', but we want to move the current) */
2821 gint x, y;
2822 vik_viewport_coord_to_screen ( vvp, &(vtl->current_wp->coord), &x, &y );
2823
2824 if ( abs(x - event->x) <= WAYPOINT_SIZE_APPROX &&
2825 abs(y - event->y) <= WAYPOINT_SIZE_APPROX )
2826 {
2827 if ( event->button == 3 )
2828 vtl->waypoint_rightclick = TRUE; /* remember that we're clicking; other layers will ignore release signal */
2829 else {
2830 marker_begin_move(t, event->x, event->y);
2831 }
2832 return TRUE;
2833 }
2834 }
2835
2836 params.vvp = vvp;
2837 params.x = event->x;
2838 params.y = event->y;
2839 params.closest_wp_name = NULL;
2840 /* TODO: should get track listitem so we can break it up, make a new track, mess it up, all that. */
2841 params.closest_wp = NULL;
2842 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_search_closest_tp, &params);
2843 if ( vtl->current_wp == params.closest_wp && vtl->current_wp != NULL )
2844 {
2845 /* how do we get here? I'm putting in the abort until we can figure it out. -alex */
2846 marker_begin_move(t, event->x, event->y);
2847 g_critical("shouldn't be here");
2848 exit(1);
2849 }
2850 else if ( params.closest_wp )
2851 {
2852 if ( event->button == 3 )
2853 vtl->waypoint_rightclick = TRUE; /* remember that we're clicking; other layers will ignore release signal */
2854 else
2855 vtl->waypoint_rightclick = FALSE;
2856
2857 vtl->current_wp = params.closest_wp;
2858 vtl->current_wp_name = params.closest_wp_name;
2859
2860 if ( params.closest_wp )
2861 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, g_hash_table_lookup ( vtl->waypoints_iters, vtl->current_wp_name ) );
2862
2863 /* could make it so don't update if old WP is off screen and new is null but oh well */
2864 vik_layer_emit_update ( VIK_LAYER(vtl) );
2865 return TRUE;
2866 }
2867
2868 vtl->current_wp = NULL;
2869 vtl->current_wp_name = NULL;
2870 vtl->waypoint_rightclick = FALSE;
2871 vik_layer_emit_update ( VIK_LAYER(vtl) );
2872 return FALSE;
2873 }
2874
2875 static gboolean tool_edit_waypoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
2876 {
2877 tool_ed_t *t = data;
2878 VikViewport *vvp = t->vvp;
2879
2880 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2881 return FALSE;
2882
2883 if ( t->holding ) {
2884 VikCoord new_coord;
2885 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
2886
2887 /* snap to TP */
2888 if ( event->state & GDK_CONTROL_MASK )
2889 {
2890 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2891 if ( tp )
2892 new_coord = tp->coord;
2893 }
2894
2895 /* snap to WP */
2896 if ( event->state & GDK_SHIFT_MASK )
2897 {
2898 VikWaypoint *wp = closest_wp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2899 if ( wp && wp != vtl->current_wp )
2900 new_coord = wp->coord;
2901 }
2902
2903 {
2904 gint x, y;
2905 vik_viewport_coord_to_screen ( vvp, &new_coord, &x, &y );
2906 marker_moveto ( t, x, y );
2907 }
2908 return TRUE;
2909 }
2910 return FALSE;
2911 }
2912
2913 static gboolean tool_edit_waypoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
2914 {
2915 tool_ed_t *t = data;
2916 VikViewport *vvp = t->vvp;
2917
2918 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2919 return FALSE;
2920
2921 if ( t->holding && event->button == 1 )
2922 {
2923 VikCoord new_coord;
2924 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
2925
2926 /* snap to TP */
2927 if ( event->state & GDK_CONTROL_MASK )
2928 {
2929 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2930 if ( tp )
2931 new_coord = tp->coord;
2932 }
2933
2934 /* snap to WP */
2935 if ( event->state & GDK_SHIFT_MASK )
2936 {
2937 VikWaypoint *wp = closest_wp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2938 if ( wp && wp != vtl->current_wp )
2939 new_coord = wp->coord;
2940 }
2941
2942 marker_end_move ( t );
2943
2944 vtl->current_wp->coord = new_coord;
2945 vik_layer_emit_update ( VIK_LAYER(vtl) );
2946 return TRUE;
2947 }
2948 /* PUT IN RIGHT PLACE!!! */
2949 if ( event->button == 3 && vtl->waypoint_rightclick )
2950 {
2951 if ( vtl->wp_right_click_menu )
2952 gtk_object_sink ( GTK_OBJECT(vtl->wp_right_click_menu) );
2953 vtl->wp_right_click_menu = GTK_MENU ( gtk_menu_new () );
2954 vik_trw_layer_sublayer_add_menu_items ( vtl, vtl->wp_right_click_menu, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, vtl->current_wp_name, g_hash_table_lookup ( vtl->waypoints_iters, vtl->current_wp_name ) );
2955 gtk_menu_popup ( vtl->wp_right_click_menu, NULL, NULL, NULL, NULL, event->button, gtk_get_current_event_time() );
2956 vtl->waypoint_rightclick = FALSE;
2957 }
2958 return FALSE;
2959 }
2960
2961 /*** New track ****/
2962
2963 static gpointer tool_new_track_create ( VikWindow *vw, VikViewport *vvp)
2964 {
2965 return vvp;
2966 }
2967
2968 static gboolean tool_new_track_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2969 {
2970 VikTrackpoint *tp;
2971
2972 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2973 return FALSE;
2974
2975 if ( event->button == 3 && vtl->current_track )
2976 {
2977 /* undo */
2978 if ( vtl->current_track->trackpoints )
2979 {
2980 GList *last = g_list_last(vtl->current_track->trackpoints);
2981 g_free ( last->data );
2982 vtl->current_track->trackpoints = g_list_remove_link ( vtl->current_track->trackpoints, last );
2983 }
2984 vik_layer_emit_update ( VIK_LAYER(vtl) );
2985 return TRUE;
2986 }
2987
2988 if ( event->type == GDK_2BUTTON_PRESS )
2989 {
2990 /* subtract last (duplicate from double click) tp then end */
2991 if ( vtl->current_track && vtl->current_track->trackpoints && vtl->ct_x1 == vtl->ct_x2 && vtl->ct_y1 == vtl->ct_y2 )
2992 {
2993 GList *last = g_list_last(vtl->current_track->trackpoints);
2994 g_free ( last->data );
2995 vtl->current_track->trackpoints = g_list_remove_link ( vtl->current_track->trackpoints, last );
2996 /* undo last, then end */
2997 vtl->current_track = NULL;
2998 }
2999 return TRUE;
3000 }
3001
3002 if ( ! vtl->current_track )
3003 {
3004 gchar *name;
3005 if ( ( name = a_dialog_new_track ( VIK_GTK_WINDOW_FROM_LAYER(vtl), vtl->tracks ) ) )
3006 {
3007 vtl->current_track = vik_track_new();
3008 vtl->current_track->visible = TRUE;
3009 vik_trw_layer_add_track ( vtl, name, vtl->current_track );
3010 }
3011 else
3012 return TRUE;
3013 }
3014 tp = vik_trackpoint_new();
3015 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &(tp->coord) );
3016
3017 /* snap to other TP */
3018 if ( event->state & GDK_CONTROL_MASK )
3019 {
3020 VikTrackpoint *other_tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
3021 if ( other_tp )
3022 tp->coord = other_tp->coord;
3023 }
3024
3025 tp->newsegment = FALSE;
3026 tp->has_timestamp = FALSE;
3027 tp->timestamp = 0;
3028 tp->altitude = VIK_DEFAULT_ALTITUDE;
3029 vtl->current_track->trackpoints = g_list_append ( vtl->current_track->trackpoints, tp );
3030
3031 vtl->ct_x1 = vtl->ct_x2;
3032 vtl->ct_y1 = vtl->ct_y2;
3033 vtl->ct_x2 = event->x;
3034 vtl->ct_y2 = event->y;
3035
3036 vik_layer_emit_update ( VIK_LAYER(vtl) );
3037 return TRUE;
3038 }
3039
3040
3041 /*** New waypoint ****/
3042
3043 static gpointer tool_new_waypoint_create ( VikWindow *vw, VikViewport *vvp)
3044 {
3045 return vvp;
3046 }
3047
3048 static gboolean tool_new_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
3049 {
3050 VikCoord coord;
3051 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3052 return FALSE;
3053 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &coord );
3054 if (vik_trw_layer_new_waypoint ( vtl, VIK_GTK_WINDOW_FROM_LAYER(vtl), &coord ) && VIK_LAYER(vtl)->visible)
3055 vik_layer_emit_update ( VIK_LAYER(vtl) );
3056 return TRUE;
3057 }
3058
3059
3060 /*** Edit trackpoint ****/
3061
3062 static gpointer tool_edit_trackpoint_create ( VikWindow *vw, VikViewport *vvp)
3063 {
3064 tool_ed_t *t = g_new(tool_ed_t, 1);
3065 t->vvp = vvp;
3066 t->holding = FALSE;
3067 return t;
3068 }
3069
3070 static gboolean tool_edit_trackpoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
3071 {
3072 tool_ed_t *t = data;
3073 VikViewport *vvp = t->vvp;
3074 TPSearchParams params;
3075 /* OUTDATED DOCUMENTATION:
3076 find 5 pixel range on each side. then put these UTM, and a pointer
3077 to the winning track name (and maybe the winning track itself), and a
3078 pointer to the winning trackpoint, inside an array or struct. pass
3079 this along, do a foreach on the tracks which will do a foreach on the
3080 trackpoints. */
3081 params.vvp = vvp;
3082 params.x = event->x;
3083 params.y = event->y;
3084 params.closest_track_name = NULL;
3085 /* TODO: should get track listitem so we can break it up, make a new track, mess it up, all that. */
3086 params.closest_tp = NULL;
3087
3088 if ( event->button != 1 )
3089 return FALSE;
3090
3091 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3092 return FALSE;
3093
3094 if ( vtl->current_tpl )
3095 {
3096 /* first check if it is within range of prev. tp. and if current_tp track is shown. (if it is, we are moving that trackpoint.) */
3097 VikTrackpoint *tp = VIK_TRACKPOINT(vtl->current_tpl->data);
3098 VikTrack *current_tr = VIK_TRACK(g_hash_table_lookup(vtl->tracks, vtl->current_tp_track_name));
3099 gint x, y;
3100 g_assert ( current_tr );
3101
3102 vik_viewport_coord_to_screen ( vvp, &(tp->coord), &x, &y );
3103
3104 if ( current_tr->visible &&
3105 abs(x - event->x) < TRACKPOINT_SIZE_APPROX &&
3106 abs(y - event->y) < TRACKPOINT_SIZE_APPROX ) {
3107 marker_begin_move ( t, event->x, event->y );
3108 return TRUE;
3109 }
3110
3111 vtl->last_tpl = vtl->current_tpl;
3112 vtl->last_tp_track_name = vtl->current_tp_track_name;
3113 }
3114
3115 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_search_closest_tp, &params);
3116
3117 if ( params.closest_tp )
3118 {
3119 vtl->current_tpl = params.closest_tpl;
3120 vtl->current_tp_track_name = params.closest_track_name;
3121 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, g_hash_table_lookup ( vtl->tracks_iters, vtl->current_tp_track_name ) );
3122 trw_layer_tpwin_init ( vtl );
3123 vik_layer_emit_update ( VIK_LAYER(vtl) );
3124 return TRUE;
3125 }
3126
3127 /* these aren't the droids you're looking for */
3128 return FALSE;
3129 }
3130
3131 static gboolean tool_edit_trackpoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
3132 {
3133 tool_ed_t *t = data;
3134 VikViewport *vvp = t->vvp;
3135
3136 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3137 return FALSE;
3138
3139 if ( t->holding )
3140 {
3141 VikCoord new_coord;
3142 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
3143
3144 /* snap to TP */
3145 if ( event->state & GDK_CONTROL_MASK )
3146 {
3147 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
3148 if ( tp && tp != vtl->current_tpl->data )
3149 new_coord = tp->coord;
3150 }
3151 // VIK_TRACKPOINT(vtl->current_tpl->data)->coord = new_coord;
3152 {
3153 gint x, y;
3154 vik_viewport_coord_to_screen ( vvp, &new_coord, &x, &y );
3155 marker_moveto ( t, x, y );
3156 }
3157
3158 return TRUE;
3159 }
3160 return FALSE;
3161 }
3162
3163 static gboolean tool_edit_trackpoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
3164 {
3165 tool_ed_t *t = data;
3166 VikViewport *vvp = t->vvp;
3167
3168 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3169 return FALSE;
3170 if ( event->button != 1)
3171 return FALSE;
3172
3173 if ( t->holding ) {
3174 VikCoord new_coord;
3175 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
3176
3177 /* snap to TP */
3178 if ( event->state & GDK_CONTROL_MASK )
3179 {
3180 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
3181 if ( tp && tp != vtl->current_tpl->data )
3182 new_coord = tp->coord;
3183 }
3184
3185 VIK_TRACKPOINT(vtl->current_tpl->data)->coord = new_coord;
3186
3187 marker_end_move ( t );
3188
3189 /* diff dist is diff from orig */
3190 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
3191 /* can't join with itself! */
3192 trw_layer_cancel_last_tp ( vtl );
3193
3194 vik_layer_emit_update ( VIK_LAYER(vtl) );
3195 return TRUE;
3196 }
3197 return FALSE;
3198 }
3199
3200
3201 /*** Magic Scissors ***/
3202 static gpointer tool_magic_scissors_create ( VikWindow *vw, VikViewport *vvp)
3203 {
3204 return vvp;
3205 }
3206
3207 static gboolean tool_magic_scissors_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
3208 {
3209 VikCoord tmp;
3210 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &tmp );
3211 if ( vtl->magic_scissors_started ) {
3212 struct LatLon start, end;
3213 gchar *cmd;
3214 vik_coord_to_latlon ( &(vtl->magic_scissors_coord), &start );
3215 vik_coord_to_latlon ( &(tmp), &end );
3216 cmd = g_strdup_printf(GOOGLE_DIRECTIONS_STRING, start.lat, start.lon, end.lat, end.lon );
3217 a_babel_convert_from_shellcommand ( vtl, cmd, "google", NULL, NULL );
3218 g_free ( cmd );
3219 vik_layer_emit_update ( VIK_LAYER(vtl) );
3220 } else {
3221 vtl->magic_scissors_coord = tmp;
3222 }
3223 vtl->magic_scissors_started = !vtl->magic_scissors_started;
3224 return TRUE;
3225 }
3226
3227 /*** Show picture ****/
3228
3229 static gpointer tool_show_picture_create ( VikWindow *vw, VikViewport *vvp)
3230 {
3231 return vvp;
3232 }
3233
3234 /* Params are: vvp, event, last match found or NULL */
3235 static void tool_show_picture_wp ( char *name, VikWaypoint *wp, gpointer params[2] )
3236 {
3237 if ( wp->image && wp->visible )
3238 {
3239 gint x, y, slackx, slacky;
3240 GdkEventButton *event = (GdkEventButton *) params[1];
3241
3242 vik_viewport_coord_to_screen ( VIK_VIEWPORT(params[0]), &(wp->coord), &x, &y );
3243 slackx = wp->image_width / 2;
3244 slacky = wp->image_height / 2;
3245 if ( x <= event->x + slackx && x >= event->x - slackx
3246 && y <= event->y + slacky && y >= event->y - slacky )
3247 {
3248 params[2] = wp->image; /* we've found a match. however continue searching
3249 * since we want to find the last match -- that
3250 * is, the match that was drawn last. */
3251 }
3252 }
3253 }
3254
3255 static gboolean tool_show_picture_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
3256 {
3257 gpointer params[3] = { vvp, event, NULL };
3258 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3259 return FALSE;
3260 g_hash_table_foreach ( vtl->waypoints, (GHFunc) tool_show_picture_wp, params );
3261 if ( params[2] )
3262 {
3263 /* thanks to the Gaim people for showing me ShellExecute and g_spawn_command_line_async */
3264 #ifdef WINDOWS
3265 ShellExecute(NULL, NULL, (char *) params[2], NULL, ".\\", 0);
3266 #else /* WINDOWS */
3267 GError *err = NULL;
3268 gchar *quoted_file = g_shell_quote ( (gchar *) params[2] );
3269 gchar *cmd = g_strdup_printf ( "eog %s", quoted_file );
3270 g_free ( quoted_file );
3271 if ( ! g_spawn_command_line_async ( cmd, &err ) )
3272 {
3273 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), "Could not launch eog to open file." );
3274 g_error_free ( err );
3275 }
3276 g_free ( cmd );
3277 #endif /* WINDOWS */
3278 return TRUE; /* found a match */
3279 }
3280 else
3281 return FALSE; /* go through other layers, searching for a match */
3282 }
3283
3284 /***************************************************************************
3285 ** End tool code
3286 ***************************************************************************/
3287
3288
3289
3290
3291
3292 static void image_wp_make_list ( char *name, VikWaypoint *wp, GSList **pics )
3293 {
3294 if ( wp->image && ( ! a_thumbnails_exists ( wp->image ) ) )
3295 *pics = g_slist_append ( *pics, (gpointer) g_strdup ( wp->image ) );
3296 }
3297
3298 static void create_thumbnails_thread ( GSList *pics, gpointer threaddata )
3299 {
3300 guint total = g_slist_length(pics), done = 0;
3301 while ( pics )
3302 {
3303 a_thumbnails_create ( (gchar *) pics->data );
3304 a_background_thread_progress ( threaddata, ((gdouble) ++done) / total );
3305 pics = pics->next;
3306 }
3307 }
3308
3309 static void free_pics_slist ( GSList *pics )
3310 {
3311 while ( pics )
3312 {
3313 g_free ( pics->data );
3314 pics = g_slist_delete_link ( pics, pics );
3315 }
3316 }
3317
3318 static void trw_layer_verify_thumbnails ( VikTrwLayer *vtl, GtkWidget *vp )
3319 {
3320 if ( ! vtl->has_verified_thumbnails )
3321 {
3322 GSList *pics = NULL;
3323 g_hash_table_foreach ( vtl->waypoints, (GHFunc) image_wp_make_list, &pics );
3324 if ( pics )
3325 {
3326 gint len = g_slist_length ( pics );
3327 gchar *tmp = g_strdup_printf ( "Creating %d Image Thumbnails...", len );
3328 a_background_thread ( VIK_GTK_WINDOW_FROM_LAYER(vtl), tmp, (vik_thr_func) create_thumbnails_thread, pics, (vik_thr_free_func) free_pics_slist, NULL, len );
3329 g_free ( tmp );
3330 }
3331 }
3332 }
3333
3334 VikCoordMode vik_trw_layer_get_coord_mode ( VikTrwLayer *vtl )
3335 {
3336 return vtl->coord_mode;
3337 }
3338
3339
3340
3341 static void waypoint_convert ( const gchar *name, VikWaypoint *wp, VikCoordMode *dest_mode )
3342 {
3343 vik_coord_convert ( &(wp->coord), *dest_mode );
3344 }
3345
3346 static void track_convert ( const gchar *name, VikTrack *tr, VikCoordMode *dest_mode )
3347 {
3348 vik_track_convert ( tr, *dest_mode );
3349 }
3350
3351 static void trw_layer_change_coord_mode ( VikTrwLayer *vtl, VikCoordMode dest_mode )
3352 {
3353 if ( vtl->coord_mode != dest_mode )
3354 {
3355 vtl->coord_mode = dest_mode;
3356 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_convert, &dest_mode );
3357 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_convert, &dest_mode );
3358 }
3359 }
3360
3361 VikWaypoint *vik_trw_layer_get_waypoint ( VikTrwLayer *vtl, gchar *name )
3362 {
3363 return g_hash_table_lookup ( vtl->waypoints, name );
3364 }
3365
3366 VikTrack *vik_trw_layer_get_track ( VikTrwLayer *vtl, gchar *name )
3367 {
3368 return g_hash_table_lookup ( vtl->tracks, name );
3369 }
3370
3371 static void vik_trw_layer_set_menu_selection(VikTrwLayer *vtl, guint16 selection)
3372 {
3373 vtl->menu_selection = selection;
3374 }
3375
3376 static guint16 vik_trw_layer_get_menu_selection(VikTrwLayer *vtl)
3377 {
3378 return(vtl->menu_selection);
3379 }
3380
3381 /* ----------- Downloading maps along tracks --------------- */
3382
3383 static int get_download_area_width(VikViewport *vvp, gdouble zoom_level, struct LatLon *wh)
3384 {
3385 /* TODO: calculating based on current size of viewport */
3386 const gdouble w_at_zoom_0_125 = 0.0013;
3387 const gdouble h_at_zoom_0_125 = 0.0011;
3388 gdouble zoom_factor = zoom_level/0.125;
3389
3390 wh->lat = h_at_zoom_0_125 * zoom_factor;
3391 wh->lon = w_at_zoom_0_125 * zoom_factor;
3392
3393 return 0; /* all OK */
3394 }
3395
3396 static VikCoord *get_next_coord(VikCoord *from, VikCoord *to, struct LatLon *dist, gdouble gradient)
3397 {
3398 if ((dist->lon >= ABS(to->east_west - from->east_west)) &&
3399 (dist->lat >= ABS(to->north_south - from->north_south)))
3400 return NULL;
3401
3402 VikCoord *coord = g_malloc(sizeof(VikCoord));
3403 coord->mode = VIK_COORD_LATLON;
3404
3405 if (ABS(gradient) < 1) {
3406 if (from->east_west > to->east_west)
3407 coord->east_west = from->east_west - dist->lon;
3408 else
3409 coord->east_west = from->east_west + dist->lon;
3410 coord->north_south = gradient * (coord->east_west - from->east_west) + from->north_south;
3411 } else {
3412 if (from->north_south > to->north_south)
3413 coord->north_south = from->north_south - dist->lat;
3414 else
3415 coord->north_south = from->north_south + dist->lat;
3416 coord->east_west = (1/gradient) * (coord->north_south - from->north_south) + from->north_south;
3417 }
3418
3419 return coord;
3420 }
3421
3422 static GList *add_fillins(GList *list, VikCoord *from, VikCoord *to, struct LatLon *dist)
3423 {
3424 /* TODO: handle virtical track (to->east_west - from->east_west == 0) */
3425 gdouble gradient = (to->north_south - from->north_south)/(to->east_west - from->east_west);
3426
3427 VikCoord *next = from;
3428 while (TRUE) {
3429 if ((next = get_next_coord(next, to, dist, gradient)) == NULL)
3430 break;
3431 list = g_list_prepend(list, next);
3432 }
3433
3434 return list;
3435 }
3436
3437 void vik_track_download_map(VikTrack *tr, VikMapsLayer *vml, VikViewport *vvp, gdouble zoom_level)
3438 {
3439 typedef struct _Rect {
3440 VikCoord tl;
3441 VikCoord br;
3442 VikCoord center;
3443 } Rect;
3444 #define GLRECT(iter) ((Rect *)((iter)->data))
3445
3446 struct LatLon wh;
3447 GList *rects_to_download = NULL;
3448 GList *rect_iter;
3449
3450 if (get_download_area_width(vvp, zoom_level, &wh))
3451 return;
3452
3453 GList *iter = tr->trackpoints;
3454 if (!iter)
3455 return;
3456
3457 gboolean new_map = TRUE;
3458 VikCoord *cur_coord, tl, br;
3459 Rect *rect;
3460 while (iter) {
3461 cur_coord = &(VIK_TRACKPOINT(iter->data))->coord;
3462 if (new_map) {
3463 vik_coord_set_area(cur_coord, &wh, &tl, &br);
3464 rect = g_malloc(sizeof(Rect));
3465 rect->tl = tl;
3466 rect->br = br;
3467 rect->center = *cur_coord;
3468 rects_to_download = g_list_prepend(rects_to_download, rect);
3469 new_map = FALSE;
3470 iter = iter->next;
3471 continue;
3472 }
3473 gboolean found = FALSE;
3474 for (rect_iter = rects_to_download; rect_iter; rect_iter = rect_iter->next) {
3475 if (vik_coord_inside(cur_coord, &GLRECT(rect_iter)->tl, &GLRECT(rect_iter)->br)) {
3476 found = TRUE;
3477 break;
3478 }
3479 }
3480 if (found)
3481 iter = iter->next;
3482 else
3483 new_map = TRUE;
3484 }
3485
3486 /* fill-ins for far apart points */
3487 GList *cur_rect, *next_rect;
3488 GList *fillins = NULL;
3489 for (cur_rect = rects_to_download;
3490 (next_rect = cur_rect->next) != NULL;
3491 cur_rect = cur_rect->next) {
3492 if ((wh.lon < ABS(GLRECT(cur_rect)->center.east_west - GLRECT(next_rect)->center.east_west)) ||
3493 (wh.lat < ABS(GLRECT(cur_rect)->center.north_south - GLRECT(next_rect)->center.north_south))) {
3494 fillins = add_fillins(fillins, &GLRECT(cur_rect)->center, &GLRECT(next_rect)->center, &wh);
3495 }
3496 }
3497
3498 if (fillins) {
3499 GList *iter = fillins;
3500 while (iter) {
3501 cur_coord = (VikCoord *)(iter->data);
3502 vik_coord_set_area(cur_coord, &wh, &tl, &br);
3503 rect = g_malloc(sizeof(Rect));
3504 rect->tl = tl;
3505 rect->br = br;
3506 rect->center = *cur_coord;
3507 rects_to_download = g_list_prepend(rects_to_download, rect);
3508 iter = iter->next;
3509 }
3510 }
3511
3512 for (rect_iter = rects_to_download; rect_iter; rect_iter = rect_iter->next) {
3513 maps_layer_download_section_without_redraw(vml, vvp, &(((Rect *)(rect_iter->data))->tl), &(((Rect *)(rect_iter->data))->br), zoom_level);
3514 }
3515
3516 if (fillins) {
3517 for (iter = fillins; iter; iter = iter->next)
3518 g_free(iter->data);
3519 g_list_free(fillins);
3520 }
3521 if (rects_to_download) {
3522 for (rect_iter = rects_to_download; rect_iter; rect_iter = rect_iter->next)
3523 g_free(rect_iter->data);
3524 g_list_free(rects_to_download);
3525 }
3526 }
3527
3528 static void trw_layer_download_map_along_track_cb(gpointer pass_along[6])
3529 {
3530 VikMapsLayer *vml;
3531 gint selected_map, default_map;
3532 gchar *zoomlist[] = {"0.125", "0.25", "0.5", "1", "2", "4", "8", "16", "32", "64", "128", "256", "512", "1024", NULL };
3533 gdouble zoom_vals[] = {0.125, 0.25, 0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024};
3534 gint selected_zoom, default_zoom;
3535 int i,j;
3536
3537
3538 VikTrwLayer *vtl = pass_along[0];
3539 VikLayersPanel *vlp = pass_along[1];
3540 VikTrack *tr = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
3541 VikViewport *vvp = vik_window_viewport((VikWindow *)(VIK_GTK_WINDOW_FROM_LAYER(vtl)));
3542
3543 GList *vmls = vik_layers_panel_get_all_layers_of_type(vlp, VIK_LAYER_MAPS);
3544 int num_maps = g_list_length(vmls);
3545
3546 if (!num_maps) {
3547 a_dialog_msg(VIK_GTK_WINDOW_FROM_LAYER(vtl), GTK_MESSAGE_ERROR,"No map layer in use. Create one first", NULL);
3548 return;
3549 }
3550
3551 gchar **map_names = g_malloc(1 + num_maps * sizeof(gpointer));
3552 VikMapsLayer **map_layers = g_malloc(1 + num_maps * sizeof(gpointer));
3553
3554 gchar **np = map_names;
3555 VikMapsLayer **lp = map_layers;
3556 for (i = 0; i < num_maps; i++) {
3557 gboolean dup = FALSE;
3558 vml = (VikMapsLayer *)(vmls->data);
3559 for (j = 0; j < i; j++) { /* no duplicate allowed */
3560 if (vik_maps_layer_get_map_type(vml) == vik_maps_layer_get_map_type(map_layers[j])) {
3561 dup = TRUE;
3562 break;
3563 }
3564 }
3565 if (!dup) {
3566 *lp++ = vml;
3567 *np++ = vik_maps_layer_get_map_label(vml);
3568 }
3569 vmls = vmls->next;
3570 }
3571 *lp = NULL;
3572 *np = NULL;
3573 num_maps = lp - map_layers;
3574
3575 for (default_map = 0; default_map < num_maps; default_map++) {
3576 /* TODO: check for parent layer's visibility */
3577 if (VIK_LAYER(map_layers[default_map])->visible)
3578 break;
3579 }
3580 default_map = (default_map == num_maps) ? 0 : default_map;
3581
3582 gdouble cur_zoom = vik_viewport_get_zoom(vvp);
3583 for (default_zoom = 0; default_zoom < sizeof(zoom_vals)/sizeof(gdouble); default_zoom++) {
3584 if (cur_zoom == zoom_vals[default_zoom])
3585 break;
3586 }
3587 default_zoom = (default_zoom == sizeof(zoom_vals)/sizeof(gdouble)) ? sizeof(zoom_vals)/sizeof(gdouble) - 1 : default_zoom;
3588
3589 if (!a_dialog_map_n_zoom(VIK_GTK_WINDOW_FROM_LAYER(vtl), map_names, default_map, zoomlist, default_zoom, &selected_map, &selected_zoom))
3590 goto done;
3591
3592 vik_track_download_map(tr, map_layers[selected_map], vvp, zoom_vals[selected_zoom]);
3593
3594 done:
3595 for (i = 0; i < num_maps; i++)
3596 g_free(map_names[i]);
3597 g_free(map_names);
3598 g_free(map_layers);
3599
3600 g_list_free(vmls);
3601
3602 }
GPS data editor and analyzer