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Add ability to upload a single track
[viking/gosmore.git] / src / viktrwlayer.c
blob9a423acb6a5109c085d6d4fa4ae48081995a7884
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 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30
31 #include "viking.h"
32 #include "vikmapslayer.h"
33 #include "viktrwlayer_pixmap.h"
34 #include "viktrwlayer_tpwin.h"
35 #include "viktrwlayer_propwin.h"
36 #include "garminsymbols.h"
37 #include "thumbnails.h"
38 #include "background.h"
39 #include "gpx.h"
40 #include "babel.h"
41 #include "dem.h"
42 #include "dems.h"
43 #ifdef VIK_CONFIG_OPENSTREETMAP
44 #include "osm-traces.h"
45 #endif
46
47 #include <math.h>
48 #include <string.h>
49 #include <stdlib.h>
50 #include <ctype.h>
51
52 #define GOOGLE_DIRECTIONS_STRING "(wget -O - \"http://maps.google.com/maps?q=%f,%f to %f,%f&output=js\" 2>/dev/null)"
53 #define VIK_TRW_LAYER_TRACK_GC 13
54 #define VIK_TRW_LAYER_TRACK_GC_RATES 10
55 #define VIK_TRW_LAYER_TRACK_GC_MIN 0
56 #define VIK_TRW_LAYER_TRACK_GC_MAX 11
57 #define VIK_TRW_LAYER_TRACK_GC_BLACK 12
58
59 #define DRAWMODE_BY_TRACK 0
60 #define DRAWMODE_BY_VELOCITY 1
61 #define DRAWMODE_ALL_BLACK 2
62
63 #define POINTS 1
64 #define LINES 2
65
66 /* this is how it knows when you click if you are clicking close to a trackpoint. */
67 #define TRACKPOINT_SIZE_APPROX 5
68 #define WAYPOINT_SIZE_APPROX 5
69
70 #define MIN_STOP_LENGTH 15
71 #define MAX_STOP_LENGTH 86400
72 #define DRAW_ELEVATION_FACTOR 30 /* height of elevation plotting, sort of relative to zoom level ("mpp" that isn't mpp necessarily) */
73 /* this is multiplied by user-inputted value from 1-100. */
74 enum {
75 VIK_TRW_LAYER_SUBLAYER_TRACKS,
76 VIK_TRW_LAYER_SUBLAYER_WAYPOINTS,
77 VIK_TRW_LAYER_SUBLAYER_TRACK,
78 VIK_TRW_LAYER_SUBLAYER_WAYPOINT
79 };
80
81 enum { WP_SYMBOL_FILLED_SQUARE, WP_SYMBOL_SQUARE, WP_SYMBOL_CIRCLE, WP_SYMBOL_X, WP_NUM_SYMBOLS };
82
83 struct _VikTrwLayer {
84 VikLayer vl;
85 GHashTable *tracks;
86 GHashTable *tracks_iters;
87 GHashTable *waypoints_iters;
88 GHashTable *waypoints;
89 GtkTreeIter waypoints_iter, tracks_iter;
90 gboolean tracks_visible, waypoints_visible;
91 guint8 drawmode;
92 guint8 drawpoints;
93 guint8 drawelevation;
94 guint8 elevation_factor;
95 guint8 drawstops;
96 guint32 stop_length;
97 guint8 drawlines;
98 guint8 line_thickness;
99 guint8 bg_line_thickness;
100
101 guint8 wp_symbol;
102 guint8 wp_size;
103 gboolean wp_draw_symbols;
104
105 gdouble velocity_min, velocity_max;
106 GArray *track_gc;
107 guint16 track_gc_iter;
108 GdkGC *track_bg_gc;
109 GdkGC *waypoint_gc;
110 GdkGC *waypoint_text_gc;
111 GdkGC *waypoint_bg_gc;
112 GdkFont *waypoint_font;
113 VikTrack *current_track;
114 guint16 ct_x1, ct_y1, ct_x2, ct_y2;
115
116 VikCoordMode coord_mode;
117
118 /* wp editing tool */
119 VikWaypoint *current_wp;
120 gchar *current_wp_name;
121 gboolean moving_wp;
122 gboolean waypoint_rightclick;
123
124 /* track editing tool */
125 GList *current_tpl;
126 gchar *current_tp_track_name;
127 VikTrwLayerTpwin *tpwin;
128
129 /* weird hack for joining tracks */
130 GList *last_tpl;
131 gchar *last_tp_track_name;
132
133 /* track editing tool -- more specifically, moving tps */
134 gboolean moving_tp;
135
136 /* magic scissors tool */
137 gboolean magic_scissors_started;
138 VikCoord magic_scissors_coord;
139
140 gboolean drawlabels;
141 gboolean drawimages;
142 guint8 image_alpha;
143 GQueue *image_cache;
144 guint8 image_size;
145 guint16 image_cache_size;
146
147 /* for waypoint text */
148 PangoLayout *wplabellayout;
149
150 gboolean has_verified_thumbnails;
151
152 GtkMenu *wp_right_click_menu;
153
154 /* menu */
155 VikStdLayerMenuItem menu_selection;
156
157 };
158
159 /* A caached waypoint image. */
160 typedef struct {
161 GdkPixbuf *pixbuf;
162 gchar *image; /* filename */
163 } CachedPixbuf;
164
165 struct DrawingParams {
166 VikViewport *vp;
167 VikTrwLayer *vtl;
168 gdouble xmpp, ympp;
169 guint16 width, height;
170 const VikCoord *center;
171 gint track_gc_iter;
172 gboolean one_zone, lat_lon;
173 gdouble ce1, ce2, cn1, cn2;
174 };
175
176 static void vik_trw_layer_set_menu_selection(VikTrwLayer *vtl, guint16);
177 static guint16 vik_trw_layer_get_menu_selection(VikTrwLayer *vtl);
178
179 static void trw_layer_delete_item ( gpointer *pass_along );
180 static void trw_layer_copy_item_cb( gpointer *pass_along);
181 static void trw_layer_cut_item_cb( gpointer *pass_along);
182
183 static void trw_layer_find_maxmin_waypoints ( const gchar *name, const VikWaypoint *w, struct LatLon maxmin[2] );
184 static void trw_layer_find_maxmin_tracks ( const gchar *name, GList **t, struct LatLon maxmin[2] );
185
186 static void trw_layer_new_track_gcs ( VikTrwLayer *vtl, VikViewport *vp );
187 static void trw_layer_free_track_gcs ( VikTrwLayer *vtl );
188
189 static gint calculate_velocity ( VikTrwLayer *vtl, VikTrackpoint *tp1, VikTrackpoint *tp2 );
190 static void trw_layer_draw_track_cb ( const gchar *name, VikTrack *track, struct DrawingParams *dp );
191 static void trw_layer_draw_waypoint ( const gchar *name, VikWaypoint *wp, struct DrawingParams *dp );
192
193 static void goto_coord ( VikLayersPanel *vlp, const VikCoord *coord );
194 static void trw_layer_goto_track_startpoint ( gpointer pass_along[5] );
195 static void trw_layer_goto_track_endpoint ( gpointer pass_along[6] );
196 static void trw_layer_merge_by_timestamp ( gpointer pass_along[6] );
197 static void trw_layer_split_by_timestamp ( gpointer pass_along[6] );
198 static void trw_layer_download_map_along_track_cb(gpointer pass_along[6]);
199 static void trw_layer_centerize ( gpointer layer_and_vlp[2] );
200 static void trw_layer_export ( gpointer layer_and_vlp[2], guint file_type );
201 static void trw_layer_goto_wp ( gpointer layer_and_vlp[2] );
202 static void trw_layer_new_wp ( gpointer lav[2] );
203
204 /* pop-up items */
205 static void trw_layer_properties_item ( gpointer pass_along[5] );
206 static void trw_layer_goto_waypoint ( gpointer pass_along[5] );
207 static void trw_layer_waypoint_gc_webpage ( gpointer pass_along[5] );
208
209 static void trw_layer_realize_waypoint ( gchar *name, VikWaypoint *wp, gpointer pass_along[4] );
210 static void trw_layer_realize_track ( gchar *name, VikTrack *track, gpointer pass_along[4] );
211 static void init_drawing_params ( struct DrawingParams *dp, VikViewport *vp );
212
213
214 static VikTrwLayer *trw_layer_copy ( VikTrwLayer *vtl, gpointer vp );
215 static void trw_layer_marshall( VikTrwLayer *vtl, guint8 **data, gint *len );
216 static VikTrwLayer *trw_layer_unmarshall( gpointer data, gint len, VikViewport *vvp );
217
218 static gboolean trw_layer_set_param ( VikTrwLayer *vtl, guint16 id, VikLayerParamData data, VikViewport *vp );
219 static VikLayerParamData trw_layer_get_param ( VikTrwLayer *vtl, guint16 id );
220
221 static void trw_layer_del_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer );
222 static void trw_layer_copy_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer, guint8 **item, guint *len );
223 static gboolean trw_layer_paste_item ( VikTrwLayer *vtl, gint subtype, guint8 *item, guint len );
224 static void trw_layer_free_copied_item ( gint subtype, gpointer item );
225 static void trw_layer_drag_drop_request ( VikTrwLayer *vtl_src, VikTrwLayer *vtl_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
226
227 static void trw_layer_cancel_tps_of_track ( VikTrwLayer *vtl, const gchar *trk_name );
228 static void trw_layer_cancel_last_tp ( VikTrwLayer *vtl );
229 static void trw_layer_cancel_current_tp ( VikTrwLayer *vtl, gboolean destroy );
230 static void trw_layer_tpwin_response ( VikTrwLayer *vtl, gint response );
231 static void trw_layer_tpwin_init ( VikTrwLayer *vtl );
232
233 static gpointer tool_edit_trackpoint_create ( VikWindow *vw, VikViewport *vvp);
234 static gboolean tool_edit_trackpoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
235 static gboolean tool_edit_trackpoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
236 static gboolean tool_edit_trackpoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
237 static gpointer tool_show_picture_create ( VikWindow *vw, VikViewport *vvp);
238 static gboolean tool_show_picture_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
239 static gpointer tool_edit_waypoint_create ( VikWindow *vw, VikViewport *vvp);
240 static gboolean tool_edit_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
241 static gboolean tool_edit_waypoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
242 static gboolean tool_edit_waypoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data );
243 static gpointer tool_new_track_create ( VikWindow *vw, VikViewport *vvp);
244 static gboolean tool_new_track_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
245 static gpointer tool_new_waypoint_create ( VikWindow *vw, VikViewport *vvp);
246 static gboolean tool_new_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
247 static gpointer tool_magic_scissors_create ( VikWindow *vw, VikViewport *vvp);
248 static gboolean tool_magic_scissors_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp );
249
250
251 static gboolean uppercase_exists_in_hash ( GHashTable *hash, const gchar *str );
252
253 static void cached_pixbuf_free ( CachedPixbuf *cp );
254 static gint cached_pixbuf_cmp ( CachedPixbuf *cp, const gchar *name );
255 static void trw_layer_verify_thumbnails ( VikTrwLayer *vtl, GtkWidget *vp );
256
257 static VikTrackpoint *closest_tp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y );
258 static VikWaypoint *closest_wp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y );
259
260 static void trw_layer_change_coord_mode ( VikTrwLayer *vtl, VikCoordMode dest_mode );
261
262 static gchar *get_new_unique_sublayer_name (VikTrwLayer *vtl, gint sublayer_type, const gchar *name);
263 static void waypoint_convert ( const gchar *name, VikWaypoint *wp, VikCoordMode *dest_mode );
264 static void track_convert ( const gchar *name, VikTrack *tr, VikCoordMode *dest_mode );
265
266 static VikToolInterface trw_layer_tools[] = {
267 { "Create Waypoint", (VikToolConstructorFunc) tool_new_waypoint_create, NULL, NULL, NULL,
268 (VikToolMouseFunc) tool_new_waypoint_click, NULL, NULL },
269
270 { "Create Track", (VikToolConstructorFunc) tool_new_track_create, NULL, NULL, NULL,
271 (VikToolMouseFunc) tool_new_track_click, NULL, NULL },
272
273 { "Edit Waypoint", (VikToolConstructorFunc) tool_edit_waypoint_create, NULL, NULL, NULL,
274 (VikToolMouseFunc) tool_edit_waypoint_click,
275 (VikToolMouseFunc) tool_edit_waypoint_move,
276 (VikToolMouseFunc) tool_edit_waypoint_release },
277
278 { "Edit Trackpoint", (VikToolConstructorFunc) tool_edit_trackpoint_create, NULL, NULL, NULL,
279 (VikToolMouseFunc) tool_edit_trackpoint_click,
280 (VikToolMouseFunc) tool_edit_trackpoint_move,
281 (VikToolMouseFunc) tool_edit_trackpoint_release },
282
283 { "Show Picture", (VikToolConstructorFunc) tool_show_picture_create, NULL, NULL, NULL,
284 (VikToolMouseFunc) tool_show_picture_click, NULL, NULL },
285
286 { "Magic Scissors", (VikToolConstructorFunc) tool_magic_scissors_create, NULL, NULL, NULL,
287 (VikToolMouseFunc) tool_magic_scissors_click, NULL, NULL },
288 };
289
290 /****** PARAMETERS ******/
291
292 static gchar *params_groups[] = { "Waypoints", "Tracks", "Waypoint Images" };
293 enum { GROUP_WAYPOINTS, GROUP_TRACKS, GROUP_IMAGES };
294
295 static gchar *params_drawmodes[] = { "Draw by Track", "Draw by Velocity", "All Tracks Black", 0 };
296 static gchar *params_wpsymbols[] = { "Filled Square", "Square", "Circle", "X", 0 };
297
298
299 static VikLayerParamScale params_scales[] = {
300 /* min max step digits */
301 { 1, 10, 1, 0 }, /* line_thickness */
302 { 0.0, 99.0, 1, 2 }, /* velocity_min */
303 { 1.0, 100.0, 1.0, 2 }, /* velocity_max */
304 /* 5 * step == how much to turn */
305 { 16, 128, 3.2, 0 }, /* image_size */
306 { 0, 255, 5, 0 }, /* image alpha */
307 { 5, 500, 5, 0 }, /* image cache_size */
308 { 0, 8, 1, 0 }, /* image cache_size */
309 { 1, 64, 1, 0 }, /* wpsize */
310 { MIN_STOP_LENGTH, MAX_STOP_LENGTH, 1, 0 }, /* stop_length */
311 { 1, 100, 1, 0 }, /* stop_length */
312 };
313
314 VikLayerParam trw_layer_params[] = {
315 { "tracks_visible", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_NOT_IN_PROPERTIES },
316 { "waypoints_visible", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_NOT_IN_PROPERTIES },
317
318 { "drawmode", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track Drawing Mode:", VIK_LAYER_WIDGET_RADIOGROUP, NULL },
319 { "drawlines", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Track Lines", VIK_LAYER_WIDGET_CHECKBUTTON },
320 { "drawpoints", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Trackpoints", VIK_LAYER_WIDGET_CHECKBUTTON },
321 { "drawelevation", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Elevation", VIK_LAYER_WIDGET_CHECKBUTTON },
322 { "elevation_factor", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Draw Elevation Height %:", VIK_LAYER_WIDGET_HSCALE, params_scales + 9 },
323
324 { "drawstops", VIK_LAYER_PARAM_BOOLEAN, GROUP_TRACKS, "Draw Stops", VIK_LAYER_WIDGET_CHECKBUTTON },
325 { "stop_length", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Min Stop Length (seconds):", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 8 },
326
327 { "line_thickness", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track Thickness:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 0 },
328 { "bg_line_thickness", VIK_LAYER_PARAM_UINT, GROUP_TRACKS, "Track BG Thickness:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 6 },
329 { "trackbgcolor", VIK_LAYER_PARAM_COLOR, GROUP_TRACKS, "Track Background Color", VIK_LAYER_WIDGET_COLOR, 0 },
330 { "velocity_min", VIK_LAYER_PARAM_DOUBLE, GROUP_TRACKS, "Min Track Velocity:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 1 },
331 { "velocity_max", VIK_LAYER_PARAM_DOUBLE, GROUP_TRACKS, "Max Track Velocity:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 2 },
332
333 { "drawlabels", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Draw Labels", VIK_LAYER_WIDGET_CHECKBUTTON },
334 { "wpcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Waypoint Color:", VIK_LAYER_WIDGET_COLOR, 0 },
335 { "wptextcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Waypoint Text:", VIK_LAYER_WIDGET_COLOR, 0 },
336 { "wpbgcolor", VIK_LAYER_PARAM_COLOR, GROUP_WAYPOINTS, "Background:", VIK_LAYER_WIDGET_COLOR, 0 },
337 { "wpbgand", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Fake BG Color Translucency:", VIK_LAYER_WIDGET_CHECKBUTTON, 0 },
338 { "wpsymbol", VIK_LAYER_PARAM_UINT, GROUP_WAYPOINTS, "Waypoint marker:", VIK_LAYER_WIDGET_RADIOGROUP, NULL },
339 { "wpsize", VIK_LAYER_PARAM_UINT, GROUP_WAYPOINTS, "Waypoint size:", VIK_LAYER_WIDGET_SPINBUTTON, params_scales + 7 },
340 { "wpsyms", VIK_LAYER_PARAM_BOOLEAN, GROUP_WAYPOINTS, "Draw Waypoint Symbols:", VIK_LAYER_WIDGET_CHECKBUTTON },
341
342 { "drawimages", VIK_LAYER_PARAM_BOOLEAN, GROUP_IMAGES, "Draw Waypoint Images", VIK_LAYER_WIDGET_CHECKBUTTON },
343 { "image_size", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Size (pixels):", VIK_LAYER_WIDGET_HSCALE, params_scales + 3 },
344 { "image_alpha", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Alpha:", VIK_LAYER_WIDGET_HSCALE, params_scales + 4 },
345 { "image_cache_size", VIK_LAYER_PARAM_UINT, GROUP_IMAGES, "Image Memory Cache Size:", VIK_LAYER_WIDGET_HSCALE, params_scales + 5 },
346 };
347
348 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 };
349
350 /*** TO ADD A PARAM:
351 *** 1) Add to trw_layer_params and enumeration
352 *** 2) Handle in get_param & set_param (presumably adding on to VikTrwLayer struct)
353 ***/
354
355 /****** END PARAMETERS ******/
356
357 VikLayerInterface vik_trw_layer_interface = {
358 "TrackWaypoint",
359 &trwlayer_pixbuf,
360
361 trw_layer_tools,
362 sizeof(trw_layer_tools) / sizeof(VikToolInterface),
363
364 trw_layer_params,
365 NUM_PARAMS,
366 params_groups, /* params_groups */
367 sizeof(params_groups)/sizeof(params_groups[0]), /* number of groups */
368
369 VIK_MENU_ITEM_ALL,
370
371 (VikLayerFuncCreate) vik_trw_layer_create,
372 (VikLayerFuncRealize) vik_trw_layer_realize,
373 (VikLayerFuncPostRead) trw_layer_verify_thumbnails,
374 (VikLayerFuncFree) vik_trw_layer_free,
375
376 (VikLayerFuncProperties) NULL,
377 (VikLayerFuncDraw) vik_trw_layer_draw,
378 (VikLayerFuncChangeCoordMode) trw_layer_change_coord_mode,
379
380 (VikLayerFuncSetMenuItemsSelection) vik_trw_layer_set_menu_selection,
381 (VikLayerFuncGetMenuItemsSelection) vik_trw_layer_get_menu_selection,
382
383 (VikLayerFuncAddMenuItems) vik_trw_layer_add_menu_items,
384 (VikLayerFuncSublayerAddMenuItems) vik_trw_layer_sublayer_add_menu_items,
385
386 (VikLayerFuncSublayerRenameRequest) vik_trw_layer_sublayer_rename_request,
387 (VikLayerFuncSublayerToggleVisible) vik_trw_layer_sublayer_toggle_visible,
388
389 (VikLayerFuncCopy) trw_layer_copy,
390 (VikLayerFuncMarshall) trw_layer_marshall,
391 (VikLayerFuncUnmarshall) trw_layer_unmarshall,
392
393 (VikLayerFuncSetParam) trw_layer_set_param,
394 (VikLayerFuncGetParam) trw_layer_get_param,
395
396 (VikLayerFuncReadFileData) a_gpspoint_read_file,
397 (VikLayerFuncWriteFileData) a_gpspoint_write_file,
398
399 (VikLayerFuncDeleteItem) trw_layer_del_item,
400 (VikLayerFuncCopyItem) trw_layer_copy_item,
401 (VikLayerFuncPasteItem) trw_layer_paste_item,
402 (VikLayerFuncFreeCopiedItem) trw_layer_free_copied_item,
403
404 (VikLayerFuncDragDropRequest) trw_layer_drag_drop_request,
405 };
406
407 /* for copy & paste (I think?) */
408 typedef struct {
409 guint len;
410 guint8 data[0];
411 // gchar *name;
412 // VikWaypoint *wp;
413 } FlatItem;
414
415 GType vik_trw_layer_get_type ()
416 {
417 static GType vtl_type = 0;
418
419 if (!vtl_type)
420 {
421 static const GTypeInfo vtl_info =
422 {
423 sizeof (VikTrwLayerClass),
424 NULL, /* base_init */
425 NULL, /* base_finalize */
426 NULL, /* class init */
427 NULL, /* class_finalize */
428 NULL, /* class_data */
429 sizeof (VikTrwLayer),
430 0,
431 NULL /* instance init */
432 };
433 vtl_type = g_type_register_static ( VIK_LAYER_TYPE, "VikTrwLayer", &vtl_info, 0 );
434 }
435
436 return vtl_type;
437 }
438
439 static void trw_layer_del_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer )
440 {
441 static gpointer pass_along[5];
442 if (!sublayer) {
443 return;
444 }
445
446 pass_along[0] = vtl;
447 pass_along[1] = NULL;
448 pass_along[2] = (gpointer) subtype;
449 pass_along[3] = sublayer;
450 pass_along[4] = NULL;
451
452 trw_layer_delete_item ( pass_along );
453 }
454
455 static void trw_layer_copy_item_cb( gpointer pass_along[5])
456 {
457 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
458 gint subtype = (gint)pass_along[2];
459 gpointer * sublayer = pass_along[3];
460 guint8 *data = NULL;
461 guint len;
462
463 trw_layer_copy_item( vtl, subtype, sublayer, &data, &len);
464
465 if (data) {
466 a_clipboard_copy( VIK_CLIPBOARD_DATA_SUBLAYER, VIK_LAYER_TRW,
467 subtype, len, data);
468 }
469 }
470
471 static void trw_layer_cut_item_cb( gpointer pass_along[5])
472 {
473 trw_layer_copy_item_cb(pass_along);
474 trw_layer_delete_item(pass_along);
475 }
476
477 static void trw_layer_copy_item ( VikTrwLayer *vtl, gint subtype, gpointer sublayer, guint8 **item, guint *len )
478 {
479 FlatItem *fi;
480 guint8 *id;
481 guint il;
482
483 if (!sublayer) {
484 *item = NULL;
485 return;
486 }
487
488 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
489 {
490 vik_waypoint_marshall ( g_hash_table_lookup ( vtl->waypoints, sublayer ), &id, &il );
491 } else {
492 vik_track_marshall ( g_hash_table_lookup ( vtl->tracks, sublayer ), &id, &il );
493 }
494
495 *len = sizeof(FlatItem) + strlen(sublayer) + 1 + il;
496 fi = g_malloc ( *len );
497 fi->len = strlen(sublayer) + 1;
498 memcpy(fi->data, sublayer, fi->len);
499 memcpy(fi->data + fi->len, id, il);
500 g_free(id);
501 *item = (guint8 *)fi;
502 }
503
504 static gboolean trw_layer_paste_item ( VikTrwLayer *vtl, gint subtype, guint8 *item, guint len )
505 {
506 FlatItem *fi = (FlatItem *) item;
507
508 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT && fi )
509 {
510 VikWaypoint *w;
511 gchar *name;
512
513 name = get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, (gchar *)fi->data);
514 w = vik_waypoint_unmarshall(fi->data + fi->len, len - sizeof(*fi) - fi->len);
515 vik_trw_layer_add_waypoint ( vtl, name, w );
516 waypoint_convert(name, w, &vtl->coord_mode);
517 return TRUE;
518 }
519 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK && fi )
520 {
521 VikTrack *t;
522 gchar *name;
523 name = get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_TRACK, (gchar *)fi->data);
524 t = vik_track_unmarshall(fi->data + fi->len, len - sizeof(*fi) - fi->len);
525 vik_trw_layer_add_track ( vtl, name, t );
526 track_convert(name, t, &vtl->coord_mode);
527 return TRUE;
528 }
529 return FALSE;
530 }
531
532 static void trw_layer_free_copied_item ( gint subtype, gpointer item )
533 {
534 if (item) {
535 g_free(item);
536 }
537 }
538
539 static void waypoint_copy ( const gchar *name, VikWaypoint *wp, GHashTable *dest )
540 {
541 g_hash_table_insert ( dest, g_strdup(name), vik_waypoint_copy(wp) );
542 }
543
544 static gboolean trw_layer_set_param ( VikTrwLayer *vtl, guint16 id, VikLayerParamData data, VikViewport *vp )
545 {
546 switch ( id )
547 {
548 case PARAM_TV: vtl->tracks_visible = data.b; break;
549 case PARAM_WV: vtl->waypoints_visible = data.b; break;
550 case PARAM_DM: vtl->drawmode = data.u; break;
551 case PARAM_DP: vtl->drawpoints = data.b; break;
552 case PARAM_DE: vtl->drawelevation = data.b; break;
553 case PARAM_DS: vtl->drawstops = data.b; break;
554 case PARAM_DL: vtl->drawlines = data.b; break;
555 case PARAM_SL: if ( data.u >= MIN_STOP_LENGTH && data.u <= MAX_STOP_LENGTH )
556 vtl->stop_length = data.u;
557 break;
558 case PARAM_EF: if ( data.u >= 1 && data.u <= 100 )
559 vtl->elevation_factor = data.u;
560 break;
561 case PARAM_LT: if ( data.u > 0 && data.u < 15 && data.u != vtl->line_thickness )
562 {
563 vtl->line_thickness = data.u;
564 trw_layer_new_track_gcs ( vtl, vp );
565 }
566 break;
567 case PARAM_BLT: if ( data.u > 0 && data.u <= 8 && data.u != vtl->bg_line_thickness )
568 {
569 vtl->bg_line_thickness = data.u;
570 trw_layer_new_track_gcs ( vtl, vp );
571 }
572 break;
573 case PARAM_VMIN: vtl->velocity_min = data.d; break;
574 case PARAM_VMAX: vtl->velocity_max = data.d; break;
575 case PARAM_TBGC: gdk_gc_set_rgb_fg_color(vtl->track_bg_gc, &(data.c)); break;
576 case PARAM_DLA: vtl->drawlabels = data.b; break;
577 case PARAM_DI: vtl->drawimages = data.b; break;
578 case PARAM_IS: if ( data.u != vtl->image_size )
579 {
580 vtl->image_size = data.u;
581 g_list_foreach ( vtl->image_cache->head, (GFunc) cached_pixbuf_free, NULL );
582 g_queue_free ( vtl->image_cache );
583 vtl->image_cache = g_queue_new ();
584 }
585 break;
586 case PARAM_IA: vtl->image_alpha = data.u; break;
587 case PARAM_ICS: vtl->image_cache_size = data.u;
588 while ( vtl->image_cache->length > vtl->image_cache_size ) /* if shrinking cache_size, free pixbuf ASAP */
589 cached_pixbuf_free ( g_queue_pop_tail ( vtl->image_cache ) );
590 break;
591 case PARAM_WPC: gdk_gc_set_rgb_fg_color(vtl->waypoint_gc, &(data.c)); break;
592 case PARAM_WPTC: gdk_gc_set_rgb_fg_color(vtl->waypoint_text_gc, &(data.c)); break;
593 case PARAM_WPBC: gdk_gc_set_rgb_fg_color(vtl->waypoint_bg_gc, &(data.c)); break;
594 case PARAM_WPBA: gdk_gc_set_function(vtl->waypoint_bg_gc, data.b ? GDK_AND : GDK_COPY ); break;
595 case PARAM_WPSYM: if ( data.u < WP_NUM_SYMBOLS ) vtl->wp_symbol = data.u; break;
596 case PARAM_WPSIZE: if ( data.u > 0 && data.u <= 64 ) vtl->wp_size = data.u; break;
597 case PARAM_WPSYMS: vtl->wp_draw_symbols = data.b; break;
598 }
599 return TRUE;
600 }
601
602 static VikLayerParamData trw_layer_get_param ( VikTrwLayer *vtl, guint16 id )
603 {
604 VikLayerParamData rv;
605 switch ( id )
606 {
607 case PARAM_TV: rv.b = vtl->tracks_visible; break;
608 case PARAM_WV: rv.b = vtl->waypoints_visible; break;
609 case PARAM_DM: rv.u = vtl->drawmode; break;
610 case PARAM_DP: rv.b = vtl->drawpoints; break;
611 case PARAM_DE: rv.b = vtl->drawelevation; break;
612 case PARAM_EF: rv.u = vtl->elevation_factor; break;
613 case PARAM_DS: rv.b = vtl->drawstops; break;
614 case PARAM_SL: rv.u = vtl->stop_length; break;
615 case PARAM_DL: rv.b = vtl->drawlines; break;
616 case PARAM_LT: rv.u = vtl->line_thickness; break;
617 case PARAM_BLT: rv.u = vtl->bg_line_thickness; break;
618 case PARAM_VMIN: rv.d = vtl->velocity_min; break;
619 case PARAM_VMAX: rv.d = vtl->velocity_max; break;
620 case PARAM_DLA: rv.b = vtl->drawlabels; break;
621 case PARAM_DI: rv.b = vtl->drawimages; break;
622 case PARAM_TBGC: vik_gc_get_fg_color(vtl->track_bg_gc, &(rv.c)); break;
623 case PARAM_IS: rv.u = vtl->image_size; break;
624 case PARAM_IA: rv.u = vtl->image_alpha; break;
625 case PARAM_ICS: rv.u = vtl->image_cache_size; break;
626 case PARAM_WPC: vik_gc_get_fg_color(vtl->waypoint_gc, &(rv.c)); break;
627 case PARAM_WPTC: vik_gc_get_fg_color(vtl->waypoint_text_gc, &(rv.c)); break;
628 case PARAM_WPBC: vik_gc_get_fg_color(vtl->waypoint_bg_gc, &(rv.c)); break;
629 case PARAM_WPBA: rv.b = (vik_gc_get_function(vtl->waypoint_bg_gc)==GDK_AND); break;
630 case PARAM_WPSYM: rv.u = vtl->wp_symbol; break;
631 case PARAM_WPSIZE: rv.u = vtl->wp_size; break;
632 case PARAM_WPSYMS: rv.b = vtl->wp_draw_symbols; break;
633 }
634 return rv;
635 }
636
637 static void track_copy ( const gchar *name, VikTrack *tr, GHashTable *dest )
638 {
639 g_hash_table_insert ( dest, g_strdup ( name ), vik_track_copy(tr) );
640 }
641
642 static void trw_layer_marshall( VikTrwLayer *vtl, guint8 **data, gint *len )
643 {
644 guint8 *pd, *dd;
645 gint pl, dl;
646 gchar *tmpname;
647 FILE *f;
648
649 *data = NULL;
650
651 if ((f = fdopen(g_file_open_tmp (NULL, &tmpname, NULL), "r+"))) {
652 a_gpx_write_file(vtl, f);
653 vik_layer_marshall_params(VIK_LAYER(vtl), &pd, &pl);
654 fclose(f);
655 g_file_get_contents(tmpname, (void *)&dd, (void *)&dl, NULL);
656 *len = sizeof(pl) + pl + dl;
657 *data = g_malloc(*len);
658 memcpy(*data, &pl, sizeof(pl));
659 memcpy(*data + sizeof(pl), pd, pl);
660 memcpy(*data + sizeof(pl) + pl, dd, dl);
661
662 g_free(pd);
663 g_free(dd);
664 remove(tmpname);
665 g_free(tmpname);
666 }
667 }
668
669 static VikTrwLayer *trw_layer_unmarshall( gpointer data, gint len, VikViewport *vvp )
670 {
671 VikTrwLayer *rv = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vvp, NULL, FALSE ));
672 guint pl;
673 gchar *tmpname;
674 FILE *f;
675
676
677 memcpy(&pl, data, sizeof(pl));
678 data += sizeof(pl);
679 vik_layer_unmarshall_params ( VIK_LAYER(rv), data, pl, vvp );
680 data += pl;
681
682 if (!(f = fdopen(g_file_open_tmp (NULL, &tmpname, NULL), "r+"))) {
683 g_critical("couldn't open temp file\n");
684 exit(1);
685 }
686 fwrite(data, len - pl - sizeof(pl), 1, f);
687 rewind(f);
688 a_gpx_read_file(rv, f);
689 fclose(f);
690 remove(tmpname);
691 g_free(tmpname);
692 return rv;
693 }
694
695 static VikTrwLayer *trw_layer_copy ( VikTrwLayer *vtl, gpointer vp )
696 {
697 VikTrwLayer *rv = vik_trw_layer_new ( vtl->drawmode );
698 PangoFontDescription *pfd;
699 rv->wplabellayout = gtk_widget_create_pango_layout (GTK_WIDGET(vp), NULL);
700 pfd = pango_font_description_from_string (WAYPOINT_FONT);
701 pango_layout_set_font_description (rv->wplabellayout, pfd);
702 /* freeing PangoFontDescription, cause it has been copied by prev. call */
703 pango_font_description_free (pfd);
704
705 rv->tracks_visible = vtl->tracks_visible;
706 rv->waypoints_visible = vtl->waypoints_visible;
707 rv->drawpoints = vtl->drawpoints;
708 rv->drawstops = vtl->drawstops;
709 rv->drawelevation = vtl->drawelevation;
710 rv->elevation_factor = vtl->elevation_factor;
711 rv->drawlines = vtl->drawlines;
712 rv->stop_length = vtl->stop_length;
713 rv->line_thickness = vtl->line_thickness;
714 rv->bg_line_thickness = vtl->bg_line_thickness;
715 rv->velocity_min = vtl->velocity_min;
716 rv->velocity_max = vtl->velocity_max;
717 rv->drawlabels = vtl->drawlabels;
718 rv->drawimages = vtl->drawimages;
719 rv->image_size = vtl->image_size;
720 rv->image_alpha = vtl->image_alpha;
721 rv->image_cache_size = vtl->image_cache_size;
722 rv->has_verified_thumbnails = TRUE;
723 rv->coord_mode = vtl->coord_mode;
724 rv->wp_symbol = vtl->wp_symbol;
725 rv->wp_size = vtl->wp_size;
726 rv->wp_draw_symbols = vtl->wp_draw_symbols;
727
728 trw_layer_new_track_gcs ( rv, VIK_VIEWPORT(vp) );
729
730 rv->waypoint_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
731 gdk_gc_set_line_attributes ( rv->waypoint_gc, 2, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
732
733 rv->waypoint_text_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
734 rv->waypoint_bg_gc = gdk_gc_new ( GTK_WIDGET(vp)->window );
735 gdk_gc_copy ( rv->waypoint_gc, vtl->waypoint_gc );
736 gdk_gc_copy ( rv->waypoint_text_gc, vtl->waypoint_text_gc );
737 gdk_gc_copy ( rv->waypoint_bg_gc, vtl->waypoint_bg_gc );
738
739 rv->waypoint_font = gdk_font_load ( "-*-helvetica-bold-r-normal-*-*-100-*-*-p-*-iso8859-1" );
740
741 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_copy, rv->waypoints );
742 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_copy, rv->tracks );
743
744 return rv;
745 }
746
747 static GList * a_array_to_glist(gpointer data[])
748 {
749 GList *gl = NULL;
750 gpointer * p;
751 for (p = data; *p; p++)
752 gl = g_list_prepend(gl, *p);
753 return(g_list_reverse(gl));
754 }
755
756 VikTrwLayer *vik_trw_layer_new ( gint drawmode )
757 {
758 if (trw_layer_params[PARAM_DM].widget_data == NULL)
759 trw_layer_params[PARAM_DM].widget_data = a_array_to_glist(params_drawmodes);
760 if (trw_layer_params[PARAM_WPSYM].widget_data == NULL)
761 trw_layer_params[PARAM_WPSYM].widget_data = a_array_to_glist(params_wpsymbols);
762
763 VikTrwLayer *rv = VIK_TRW_LAYER ( g_object_new ( VIK_TRW_LAYER_TYPE, NULL ) );
764 vik_layer_init ( VIK_LAYER(rv), VIK_LAYER_TRW );
765
766 rv->waypoints = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, (GDestroyNotify) vik_waypoint_free );
767 rv->tracks = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, (GDestroyNotify) vik_track_free );
768 rv->tracks_iters = g_hash_table_new_full ( g_str_hash, g_str_equal, NULL, g_free );
769 rv->waypoints_iters = g_hash_table_new_full ( g_str_hash, g_str_equal, NULL, g_free );
770
771 /* TODO: constants at top */
772 rv->waypoints_visible = rv->tracks_visible = TRUE;
773 rv->drawmode = drawmode;
774 rv->drawpoints = TRUE;
775 rv->drawstops = FALSE;
776 rv->drawelevation = FALSE;
777 rv->elevation_factor = 30;
778 rv->stop_length = 60;
779 rv->drawlines = TRUE;
780 rv->wplabellayout = NULL;
781 rv->wp_right_click_menu = NULL;
782 rv->waypoint_gc = NULL;
783 rv->waypoint_text_gc = NULL;
784 rv->waypoint_bg_gc = NULL;
785 rv->track_gc = NULL;
786 rv->velocity_max = 5.0;
787 rv->velocity_min = 0.0;
788 rv->line_thickness = 1;
789 rv->bg_line_thickness = 0;
790 rv->current_wp = NULL;
791 rv->current_wp_name = NULL;
792 rv->current_track = NULL;
793 rv->current_tpl = NULL;
794 rv->current_tp_track_name = NULL;
795 rv->moving_tp = FALSE;
796 rv->moving_wp = FALSE;
797
798 rv->magic_scissors_started = FALSE;
799
800 rv->waypoint_rightclick = FALSE;
801 rv->last_tpl = NULL;
802 rv->last_tp_track_name = NULL;
803 rv->tpwin = NULL;
804 rv->image_cache = g_queue_new();
805 rv->image_size = 64;
806 rv->image_alpha = 255;
807 rv->image_cache_size = 300;
808 rv->drawimages = TRUE;
809 rv->drawlabels = TRUE;
810 return rv;
811 }
812
813
814 void vik_trw_layer_free ( VikTrwLayer *trwlayer )
815 {
816 g_hash_table_destroy(trwlayer->waypoints);
817 g_hash_table_destroy(trwlayer->tracks);
818
819 /* ODC: replace with GArray */
820 trw_layer_free_track_gcs ( trwlayer );
821
822 if ( trwlayer->wp_right_click_menu )
823 gtk_object_sink ( GTK_OBJECT(trwlayer->wp_right_click_menu) );
824
825 if ( trwlayer->wplabellayout != NULL)
826 g_object_unref ( G_OBJECT ( trwlayer->wplabellayout ) );
827
828 if ( trwlayer->waypoint_gc != NULL )
829 g_object_unref ( G_OBJECT ( trwlayer->waypoint_gc ) );
830
831 if ( trwlayer->waypoint_text_gc != NULL )
832 g_object_unref ( G_OBJECT ( trwlayer->waypoint_text_gc ) );
833
834 if ( trwlayer->waypoint_bg_gc != NULL )
835 g_object_unref ( G_OBJECT ( trwlayer->waypoint_bg_gc ) );
836
837 if ( trwlayer->waypoint_font != NULL )
838 gdk_font_unref ( trwlayer->waypoint_font );
839
840 if ( trwlayer->tpwin != NULL )
841 gtk_widget_destroy ( GTK_WIDGET(trwlayer->tpwin) );
842
843 g_list_foreach ( trwlayer->image_cache->head, (GFunc) cached_pixbuf_free, NULL );
844 g_queue_free ( trwlayer->image_cache );
845 }
846
847 static void init_drawing_params ( struct DrawingParams *dp, VikViewport *vp )
848 {
849 dp->vp = vp;
850 dp->xmpp = vik_viewport_get_xmpp ( vp );
851 dp->ympp = vik_viewport_get_ympp ( vp );
852 dp->width = vik_viewport_get_width ( vp );
853 dp->height = vik_viewport_get_height ( vp );
854 dp->center = vik_viewport_get_center ( vp );
855 dp->one_zone = vik_viewport_is_one_zone ( vp ); /* false if some other projection besides UTM */
856 dp->lat_lon = vik_viewport_get_coord_mode ( vp ) == VIK_COORD_LATLON;
857
858 if ( dp->one_zone )
859 {
860 gint w2, h2;
861 w2 = dp->xmpp * (dp->width / 2) + 1600 / dp->xmpp;
862 h2 = dp->ympp * (dp->height / 2) + 1600 / dp->ympp;
863 /* leniency -- for tracks. Obviously for waypoints this SHOULD be a lot smaller */
864
865 dp->ce1 = dp->center->east_west-w2;
866 dp->ce2 = dp->center->east_west+w2;
867 dp->cn1 = dp->center->north_south-h2;
868 dp->cn2 = dp->center->north_south+h2;
869 } else if ( dp->lat_lon ) {
870 VikCoord upperleft, bottomright;
871 /* quick & dirty calculation; really want to check all corners due to lat/lon smaller at top in northern hemisphere */
872 /* this also DOESN'T WORK if you are crossing 180/-180 lon. I don't plan to in the near future... */
873 vik_viewport_screen_to_coord ( vp, -500, -500, &upperleft );
874 vik_viewport_screen_to_coord ( vp, dp->width+500, dp->height+500, &bottomright );
875 dp->ce1 = upperleft.east_west;
876 dp->ce2 = bottomright.east_west;
877 dp->cn1 = bottomright.north_south;
878 dp->cn2 = upperleft.north_south;
879 }
880
881 dp->track_gc_iter = 0;
882 }
883
884 static gint calculate_velocity ( VikTrwLayer *vtl, VikTrackpoint *tp1, VikTrackpoint *tp2 )
885 {
886 static gdouble rv = 0;
887 if ( tp1->has_timestamp && tp2->has_timestamp )
888 {
889 rv = ( vik_coord_diff ( &(tp1->coord), &(tp2->coord) )
890 / (tp1->timestamp - tp2->timestamp) ) - vtl->velocity_min;
891
892 if ( rv < 0 )
893 return VIK_TRW_LAYER_TRACK_GC_MIN;
894 else if ( vtl->velocity_min >= vtl->velocity_max )
895 return VIK_TRW_LAYER_TRACK_GC_MAX;
896
897 rv *= (VIK_TRW_LAYER_TRACK_GC_RATES / (vtl->velocity_max - vtl->velocity_min));
898
899 if ( rv >= VIK_TRW_LAYER_TRACK_GC_MAX )
900 return VIK_TRW_LAYER_TRACK_GC_MAX;
901 return (gint) rv;
902 }
903 else
904 return VIK_TRW_LAYER_TRACK_GC_BLACK;
905 }
906
907 void draw_utm_skip_insignia ( VikViewport *vvp, GdkGC *gc, gint x, gint y )
908 {
909 vik_viewport_draw_line ( vvp, gc, x+5, y, x-5, y );
910 vik_viewport_draw_line ( vvp, gc, x, y+5, x, y-5 );
911 vik_viewport_draw_line ( vvp, gc, x+5, y+5, x-5, y-5 );
912 vik_viewport_draw_line ( vvp, gc, x+5, y-5, x-5, y+5 );
913 }
914
915 static void trw_layer_draw_track ( const gchar *name, VikTrack *track, struct DrawingParams *dp, gboolean drawing_white_background )
916 {
917 /* TODO: this function is a mess, get rid of any redundancy */
918 GList *list = track->trackpoints;
919 gboolean useoldvals = TRUE;
920
921 gboolean drawpoints;
922 gboolean drawstops;
923 gboolean drawelevation;
924 gdouble min_alt, max_alt, alt_diff = 0;
925
926 const guint8 tp_size_reg = 2;
927 const guint8 tp_size_cur = 4;
928 guint8 tp_size;
929
930 if ( dp->vtl->drawelevation )
931 {
932 /* assume if it has elevation at the beginning, it has it throughout. not ness a true good assumption */
933 if ( ( drawelevation = vik_track_get_minmax_alt ( track, &min_alt, &max_alt ) ) )
934 alt_diff = max_alt - min_alt;
935 }
936
937 if ( ! track->visible )
938 return;
939
940 /* admittedly this is not an efficient way to do it because we go through the whole GC thing all over... */
941 if ( dp->vtl->bg_line_thickness && !drawing_white_background )
942 trw_layer_draw_track ( name, track, dp, TRUE );
943
944 if ( drawing_white_background )
945 drawpoints = drawstops = FALSE;
946 else {
947 drawpoints = dp->vtl->drawpoints;
948 drawstops = dp->vtl->drawstops;
949 }
950
951 if (list) {
952 int x, y, oldx, oldy;
953 VikTrackpoint *tp = VIK_TRACKPOINT(list->data);
954
955 tp_size = (list == dp->vtl->current_tpl) ? tp_size_cur : tp_size_reg;
956
957 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
958
959 if ( (drawpoints) && dp->track_gc_iter < VIK_TRW_LAYER_TRACK_GC )
960 {
961 GdkPoint trian[3] = { { x, y-(3*tp_size) }, { x-(2*tp_size), y+(2*tp_size) }, {x+(2*tp_size), y+(2*tp_size)} };
962 vik_viewport_draw_polygon ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), TRUE, trian, 3 );
963 }
964
965 oldx = x;
966 oldy = y;
967
968 if ( dp->vtl->drawmode == DRAWMODE_ALL_BLACK )
969 dp->track_gc_iter = VIK_TRW_LAYER_TRACK_GC_MAX + 1;
970
971 while ((list = g_list_next(list)))
972 {
973 tp = VIK_TRACKPOINT(list->data);
974 tp_size = (list == dp->vtl->current_tpl) ? tp_size_cur : tp_size_reg;
975
976 /* check some stuff -- but only if we're in UTM and there's only ONE ZONE; or lat lon */
977 if ( (!dp->one_zone && !dp->lat_lon) || /* UTM & zones; do everything */
978 ( ((!dp->one_zone) || tp->coord.utm_zone == dp->center->utm_zone) && /* only check zones if UTM & one_zone */
979 tp->coord.east_west < dp->ce2 && tp->coord.east_west > dp->ce1 && /* both UTM and lat lon */
980 tp->coord.north_south > dp->cn1 && tp->coord.north_south < dp->cn2 ) )
981 {
982 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
983
984 if ( drawpoints && ! drawing_white_background )
985 {
986 if ( list->next ) {
987 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 );
988
989 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 );
990
991 /* stops */
992 if ( drawstops && VIK_TRACKPOINT(list->next->data)->timestamp - VIK_TRACKPOINT(list->data)->timestamp > dp->vtl->stop_length )
993 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 );
994 }
995 else
996 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 );
997 }
998
999 if ((!tp->newsegment) && (dp->vtl->drawlines))
1000 {
1001 VikTrackpoint *tp2 = VIK_TRACKPOINT(list->prev->data);
1002
1003 /* UTM only: zone check */
1004 if ( drawpoints && dp->vtl->coord_mode == VIK_COORD_UTM && tp->coord.utm_zone != dp->center->utm_zone )
1005 draw_utm_skip_insignia ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), x, y);
1006
1007 if ( dp->vtl->drawmode == DRAWMODE_BY_VELOCITY )
1008 dp->track_gc_iter = calculate_velocity ( dp->vtl, tp, tp2 );
1009
1010 if (!useoldvals)
1011 vik_viewport_coord_to_screen ( dp->vp, &(tp2->coord), &oldx, &oldy );
1012
1013 if ( drawing_white_background ) {
1014 vik_viewport_draw_line ( dp->vp, dp->vtl->track_bg_gc, oldx, oldy, x, y);
1015 }
1016 else {
1017
1018 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy, x, y);
1019 if ( dp->vtl->drawelevation && list && list->next && VIK_TRACKPOINT(list->next->data)->altitude != VIK_DEFAULT_ALTITUDE ) {
1020 GdkPoint tmp[4];
1021 #define FIXALTITUDE(what) ((VIK_TRACKPOINT((what))->altitude-min_alt)/alt_diff*DRAW_ELEVATION_FACTOR*dp->vtl->elevation_factor/dp->xmpp)
1022 if ( list && list->next && VIK_TRACKPOINT(list->next->data)->altitude != VIK_DEFAULT_ALTITUDE ) {
1023 tmp[0].x = oldx;
1024 tmp[0].y = oldy;
1025 tmp[1].x = oldx;
1026 tmp[1].y = oldy-FIXALTITUDE(list->data);
1027 tmp[2].x = x;
1028 tmp[2].y = y-FIXALTITUDE(list->next->data);
1029 tmp[3].x = x;
1030 tmp[3].y = y;
1031
1032 GdkGC *tmp_gc;
1033 if ( ((oldx - x) > 0 && (oldy - y) > 0) || ((oldx - x) < 0 && (oldy - y) < 0))
1034 tmp_gc = GTK_WIDGET(dp->vp)->style->light_gc[3];
1035 else
1036 tmp_gc = GTK_WIDGET(dp->vp)->style->dark_gc[0];
1037 vik_viewport_draw_polygon ( dp->vp, tmp_gc, TRUE, tmp, 4);
1038 }
1039 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));
1040 }
1041 }
1042 }
1043
1044 oldx = x;
1045 oldy = y;
1046 useoldvals = TRUE;
1047 }
1048 else {
1049 if (useoldvals && dp->vtl->drawlines && (!tp->newsegment))
1050 {
1051 VikTrackpoint *tp2 = VIK_TRACKPOINT(list->prev->data);
1052 if ( dp->vtl->coord_mode != VIK_COORD_UTM || tp->coord.utm_zone == dp->center->utm_zone )
1053 {
1054 vik_viewport_coord_to_screen ( dp->vp, &(tp->coord), &x, &y );
1055 if ( dp->vtl->drawmode == DRAWMODE_BY_VELOCITY )
1056 dp->track_gc_iter = calculate_velocity ( dp->vtl, tp, tp2 );
1057
1058 if ( drawing_white_background )
1059 vik_viewport_draw_line ( dp->vp, dp->vtl->track_bg_gc, oldx, oldy, x, y);
1060 else
1061 vik_viewport_draw_line ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), oldx, oldy, x, y);
1062 }
1063 else
1064 {
1065 vik_viewport_coord_to_screen ( dp->vp, &(tp2->coord), &x, &y );
1066 draw_utm_skip_insignia ( dp->vp, g_array_index(dp->vtl->track_gc, GdkGC *, dp->track_gc_iter), x, y );
1067 }
1068 }
1069 useoldvals = FALSE;
1070 }
1071 }
1072 }
1073 if ( dp->vtl->drawmode == DRAWMODE_BY_TRACK )
1074 if ( ++(dp->track_gc_iter) >= VIK_TRW_LAYER_TRACK_GC )
1075 dp->track_gc_iter = 0;
1076 }
1077
1078 /* the only reason this exists is so that trw_layer_draw_track can first call itself to draw the white track background */
1079 static void trw_layer_draw_track_cb ( const gchar *name, VikTrack *track, struct DrawingParams *dp )
1080 {
1081 trw_layer_draw_track ( name, track, dp, FALSE );
1082 }
1083
1084 static void cached_pixbuf_free ( CachedPixbuf *cp )
1085 {
1086 g_object_unref ( G_OBJECT(cp->pixbuf) );
1087 g_free ( cp->image );
1088 }
1089
1090 static gint cached_pixbuf_cmp ( CachedPixbuf *cp, const gchar *name )
1091 {
1092 return strcmp ( cp->image, name );
1093 }
1094
1095 static void trw_layer_draw_waypoint ( const gchar *name, VikWaypoint *wp, struct DrawingParams *dp )
1096 {
1097 if ( wp->visible )
1098 if ( (!dp->one_zone) || ( wp->coord.utm_zone == dp->center->utm_zone &&
1099 wp->coord.east_west < dp->ce2 && wp->coord.east_west > dp->ce1 &&
1100 wp->coord.north_south > dp->cn1 && wp->coord.north_south < dp->cn2 ) )
1101 {
1102 gint x, y;
1103 GdkPixbuf *sym;
1104 vik_viewport_coord_to_screen ( dp->vp, &(wp->coord), &x, &y );
1105
1106 /* if in shrunken_cache, get that. If not, get and add to shrunken_cache */
1107
1108 if ( wp->image && dp->vtl->drawimages )
1109 {
1110 GdkPixbuf *pixbuf = NULL;
1111 GList *l;
1112
1113 if ( dp->vtl->image_alpha == 0)
1114 return;
1115
1116 l = g_list_find_custom ( dp->vtl->image_cache->head, wp->image, (GCompareFunc) cached_pixbuf_cmp );
1117 if ( l )
1118 pixbuf = ((CachedPixbuf *) l->data)->pixbuf;
1119 else
1120 {
1121 gchar *image = wp->image;
1122 GdkPixbuf *regularthumb = a_thumbnails_get ( wp->image );
1123 if ( ! regularthumb )
1124 {
1125 regularthumb = a_thumbnails_get_default (); /* cache one 'not yet loaded' for all thumbs not loaded */
1126 image = "\x12\x00"; /* this shouldn't occur naturally. */
1127 }
1128 if ( regularthumb )
1129 {
1130 CachedPixbuf *cp = NULL;
1131 cp = g_malloc ( sizeof ( CachedPixbuf ) );
1132 if ( dp->vtl->image_size == 128 )
1133 cp->pixbuf = regularthumb;
1134 else
1135 {
1136 cp->pixbuf = a_thumbnails_scale_pixbuf(regularthumb, dp->vtl->image_size, dp->vtl->image_size);
1137 g_assert ( cp->pixbuf );
1138 g_object_unref ( G_OBJECT(regularthumb) );
1139 }
1140 cp->image = g_strdup ( image );
1141
1142 /* needed so 'click picture' tool knows how big the pic is; we don't
1143 * store it in cp because they may have been freed already. */
1144 wp->image_width = gdk_pixbuf_get_width ( cp->pixbuf );
1145 wp->image_height = gdk_pixbuf_get_height ( cp->pixbuf );
1146
1147 g_queue_push_head ( dp->vtl->image_cache, cp );
1148 if ( dp->vtl->image_cache->length > dp->vtl->image_cache_size )
1149 cached_pixbuf_free ( g_queue_pop_tail ( dp->vtl->image_cache ) );
1150
1151 pixbuf = cp->pixbuf;
1152 }
1153 else
1154 {
1155 pixbuf = a_thumbnails_get_default (); /* thumbnail not yet loaded */
1156 }
1157 }
1158 if ( pixbuf )
1159 {
1160 gint w, h;
1161 w = gdk_pixbuf_get_width ( pixbuf );
1162 h = gdk_pixbuf_get_height ( pixbuf );
1163
1164 if ( x+(w/2) > 0 && y+(h/2) > 0 && x-(w/2) < dp->width && y-(h/2) < dp->height ) /* always draw within boundaries */
1165 {
1166 if ( dp->vtl->image_alpha == 255 )
1167 vik_viewport_draw_pixbuf ( dp->vp, pixbuf, 0, 0, x - (w/2), y - (h/2), w, h );
1168 else
1169 vik_viewport_draw_pixbuf_with_alpha ( dp->vp, pixbuf, dp->vtl->image_alpha, 0, 0, x - (w/2), y - (h/2), w, h );
1170 }
1171 return; /* if failed to draw picture, default to drawing regular waypoint (below) */
1172 }
1173 }
1174
1175 /* DRAW ACTUAL DOT */
1176 if ( dp->vtl->wp_draw_symbols && wp->symbol && (sym = a_get_wp_sym(wp->symbol)) ) {
1177 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 );
1178 }
1179 else if ( wp == dp->vtl->current_wp ) {
1180 switch ( dp->vtl->wp_symbol ) {
1181 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;
1182 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;
1183 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;
1184 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 );
1185 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 );
1186 }
1187 }
1188 else {
1189 switch ( dp->vtl->wp_symbol ) {
1190 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;
1191 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;
1192 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;
1193 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 );
1194 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;
1195 }
1196 }
1197
1198 if ( dp->vtl->drawlabels )
1199 {
1200 /* thanks to the GPSDrive people (Fritz Ganter et al.) for hints on this part ... yah, I'm too lazy to study documentation */
1201 gint width, height;
1202 pango_layout_set_text ( dp->vtl->wplabellayout, name, -1 );
1203 pango_layout_get_pixel_size ( dp->vtl->wplabellayout, &width, &height );
1204 vik_viewport_draw_rectangle ( dp->vp, dp->vtl->waypoint_bg_gc, TRUE, x + dp->vtl->wp_size - 1, y-1,width+1,height-1);
1205 vik_viewport_draw_layout ( dp->vp, dp->vtl->waypoint_text_gc, x + dp->vtl->wp_size, y, dp->vtl->wplabellayout );
1206 }
1207 }
1208 }
1209
1210 void vik_trw_layer_draw ( VikTrwLayer *l, gpointer data )
1211 {
1212 static struct DrawingParams dp;
1213 g_assert ( l != NULL );
1214
1215 init_drawing_params ( &dp, VIK_VIEWPORT(data) );
1216 dp.vtl = l;
1217
1218 if ( l->tracks_visible )
1219 g_hash_table_foreach ( l->tracks, (GHFunc) trw_layer_draw_track_cb, &dp );
1220
1221 if (l->waypoints_visible)
1222 g_hash_table_foreach ( l->waypoints, (GHFunc) trw_layer_draw_waypoint, &dp );
1223 }
1224
1225 static void trw_layer_free_track_gcs ( VikTrwLayer *vtl )
1226 {
1227 int i;
1228 if ( vtl->track_bg_gc )
1229 {
1230 g_object_unref ( vtl->track_bg_gc );
1231 vtl->track_bg_gc = NULL;
1232 }
1233
1234 if ( ! vtl->track_gc )
1235 return;
1236 for ( i = vtl->track_gc->len - 1; i >= 0; i-- )
1237 g_object_unref ( g_array_index ( vtl->track_gc, GObject *, i ) );
1238 g_array_free ( vtl->track_gc, TRUE );
1239 vtl->track_gc = NULL;
1240 }
1241
1242 static void trw_layer_new_track_gcs ( VikTrwLayer *vtl, VikViewport *vp )
1243 {
1244 GdkGC *gc[ VIK_TRW_LAYER_TRACK_GC ];
1245 gint width = vtl->line_thickness;
1246
1247 if ( vtl->track_gc )
1248 trw_layer_free_track_gcs ( vtl );
1249
1250 if ( vtl->track_bg_gc )
1251 g_object_unref ( vtl->track_bg_gc );
1252 vtl->track_bg_gc = vik_viewport_new_gc ( vp, "#FFFFFF", width + vtl->bg_line_thickness );
1253
1254 vtl->track_gc = g_array_sized_new ( FALSE, FALSE, sizeof ( GdkGC * ), VIK_TRW_LAYER_TRACK_GC );
1255
1256 gc[0] = vik_viewport_new_gc ( vp, "#2d870a", width ); /* below range */
1257
1258 gc[1] = vik_viewport_new_gc ( vp, "#0a8742", width );
1259 gc[2] = vik_viewport_new_gc ( vp, "#0a8783", width );
1260 gc[3] = vik_viewport_new_gc ( vp, "#0a4d87", width );
1261 gc[4] = vik_viewport_new_gc ( vp, "#05469f", width );
1262 gc[5] = vik_viewport_new_gc ( vp, "#1b059f", width );
1263 gc[6] = vik_viewport_new_gc ( vp, "#2d059f", width );
1264 gc[7] = vik_viewport_new_gc ( vp, "#4a059f", width );
1265 gc[8] = vik_viewport_new_gc ( vp, "#84059f", width );
1266 gc[9] = vik_viewport_new_gc ( vp, "#96059f", width );
1267 gc[10] = vik_viewport_new_gc ( vp, "#f22ef2", width );
1268
1269 gc[11] = vik_viewport_new_gc ( vp, "#ff0000", width ); /* above range */
1270
1271 gc[12] = vik_viewport_new_gc ( vp, "#000000", width ); /* black / no speed data */
1272
1273 g_array_append_vals ( vtl->track_gc, gc, VIK_TRW_LAYER_TRACK_GC );
1274 }
1275
1276 VikTrwLayer *vik_trw_layer_create ( VikViewport *vp )
1277 {
1278 VikTrwLayer *rv = vik_trw_layer_new ( 0 );
1279 PangoFontDescription *pfd;
1280 rv->wplabellayout = gtk_widget_create_pango_layout (GTK_WIDGET(vp), NULL);
1281 pfd = pango_font_description_from_string (WAYPOINT_FONT);
1282 pango_layout_set_font_description (rv->wplabellayout, pfd);
1283 /* freeing PangoFontDescription, cause it has been copied by prev. call */
1284 pango_font_description_free (pfd);
1285
1286 vik_layer_rename ( VIK_LAYER(rv), vik_trw_layer_interface.name );
1287
1288 trw_layer_new_track_gcs ( rv, vp );
1289
1290 rv->waypoint_gc = vik_viewport_new_gc ( vp, "#000000", 2 );
1291 rv->waypoint_text_gc = vik_viewport_new_gc ( vp, "#FFFFFF", 1 );
1292 rv->waypoint_bg_gc = vik_viewport_new_gc ( vp, "#8383C4", 1 );
1293 gdk_gc_set_function ( rv->waypoint_bg_gc, GDK_AND );
1294
1295 rv->waypoint_font = gdk_font_load ( "-*-helvetica-bold-r-normal-*-*-100-*-*-p-*-iso8859-1" );
1296
1297 rv->has_verified_thumbnails = FALSE;
1298 rv->wp_symbol = WP_SYMBOL_FILLED_SQUARE;
1299 rv->wp_size = 4;
1300 rv->wp_draw_symbols = TRUE;
1301
1302 rv->coord_mode = vik_viewport_get_coord_mode ( vp );
1303
1304 rv->menu_selection = vik_layer_get_interface(VIK_LAYER(rv)->type)->menu_items_selection;
1305
1306 return rv;
1307 }
1308
1309 static void trw_layer_realize_track ( gchar *name, VikTrack *track, gpointer pass_along[4] )
1310 {
1311 GtkTreeIter *new_iter = g_malloc(sizeof(GtkTreeIter));
1312
1313 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1314 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 );
1315 #else
1316 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 );
1317 #endif
1318
1319 *new_iter = *((GtkTreeIter *) pass_along[1]);
1320 g_hash_table_insert ( VIK_TRW_LAYER(pass_along[2])->tracks_iters, name, new_iter );
1321
1322 if ( ! track->visible )
1323 vik_treeview_item_set_visible ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[1], FALSE );
1324 }
1325
1326 static void trw_layer_realize_waypoint ( gchar *name, VikWaypoint *wp, gpointer pass_along[4] )
1327 {
1328 GtkTreeIter *new_iter = g_malloc(sizeof(GtkTreeIter));
1329 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1330 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 );
1331 #else
1332 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 );
1333 #endif
1334
1335 *new_iter = *((GtkTreeIter *) pass_along[1]);
1336 g_hash_table_insert ( VIK_TRW_LAYER(pass_along[2])->waypoints_iters, name, new_iter );
1337
1338 if ( ! wp->visible )
1339 vik_treeview_item_set_visible ( (VikTreeview *) pass_along[3], (GtkTreeIter *) pass_along[1], FALSE );
1340 }
1341
1342
1343 void vik_trw_layer_realize ( VikTrwLayer *vtl, VikTreeview *vt, GtkTreeIter *layer_iter )
1344 {
1345 GtkTreeIter iter2;
1346 gpointer pass_along[5] = { &(vtl->tracks_iter), &iter2, vtl, vt, (gpointer) VIK_TRW_LAYER_SUBLAYER_TRACK };
1347
1348 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1349 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) vt, layer_iter, &(vtl->tracks_iter), "Tracks", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_TRACKS, NULL, TRUE, FALSE );
1350 #else
1351 vik_treeview_add_sublayer ( (VikTreeview *) vt, layer_iter, &(vtl->tracks_iter), "Tracks", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_TRACKS, NULL, TRUE, FALSE );
1352 #endif
1353 if ( ! vtl->tracks_visible )
1354 vik_treeview_item_set_visible ( (VikTreeview *) vt, &(vtl->tracks_iter), FALSE );
1355
1356 g_hash_table_foreach ( vtl->tracks, (GHFunc) trw_layer_realize_track, pass_along );
1357
1358 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1359 vik_treeview_add_sublayer_alphabetized ( (VikTreeview *) vt, layer_iter, &(vtl->waypoints_iter), "Waypoints", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINTS, NULL, TRUE, FALSE );
1360 #else
1361 vik_treeview_add_sublayer ( (VikTreeview *) vt, layer_iter, &(vtl->waypoints_iter), "Waypoints", vtl, NULL, VIK_TRW_LAYER_SUBLAYER_WAYPOINTS, NULL, TRUE, FALSE );
1362 #endif
1363
1364 if ( ! vtl->waypoints_visible )
1365 vik_treeview_item_set_visible ( (VikTreeview *) vt, &(vtl->waypoints_iter), FALSE );
1366
1367 pass_along[0] = &(vtl->waypoints_iter);
1368 pass_along[4] = (gpointer) VIK_TRW_LAYER_SUBLAYER_WAYPOINT;
1369
1370 g_hash_table_foreach ( vtl->waypoints, (GHFunc) trw_layer_realize_waypoint, pass_along );
1371
1372 }
1373
1374 gboolean vik_trw_layer_sublayer_toggle_visible ( VikTrwLayer *l, gint subtype, gpointer sublayer )
1375 {
1376 switch ( subtype )
1377 {
1378 case VIK_TRW_LAYER_SUBLAYER_TRACKS: return (l->tracks_visible ^= 1);
1379 case VIK_TRW_LAYER_SUBLAYER_WAYPOINTS: return (l->waypoints_visible ^= 1);
1380 case VIK_TRW_LAYER_SUBLAYER_TRACK:
1381 {
1382 VikTrack *t = g_hash_table_lookup ( l->tracks, sublayer );
1383 if (t)
1384 return (t->visible ^= 1);
1385 else
1386 return TRUE;
1387 }
1388 case VIK_TRW_LAYER_SUBLAYER_WAYPOINT:
1389 {
1390 VikWaypoint *t = g_hash_table_lookup ( l->waypoints, sublayer );
1391 if (t)
1392 return (t->visible ^= 1);
1393 else
1394 return TRUE;
1395 }
1396 }
1397 return TRUE;
1398 }
1399
1400 GHashTable *vik_trw_layer_get_tracks ( VikTrwLayer *l )
1401 {
1402 return l->tracks;
1403 }
1404
1405 GHashTable *vik_trw_layer_get_waypoints ( VikTrwLayer *l )
1406 {
1407 return l->waypoints;
1408 }
1409
1410 static void trw_layer_find_maxmin_waypoints ( const gchar *name, const VikWaypoint *w, struct LatLon maxmin[2] )
1411 {
1412 static VikCoord fixme;
1413 vik_coord_copy_convert ( &(w->coord), VIK_COORD_LATLON, &fixme );
1414 if ( VIK_LATLON(&fixme)->lat > maxmin[0].lat || maxmin[0].lat == 0.0 )
1415 maxmin[0].lat = VIK_LATLON(&fixme)->lat;
1416 if ( VIK_LATLON(&fixme)->lat < maxmin[1].lat || maxmin[1].lat == 0.0 )
1417 maxmin[1].lat = VIK_LATLON(&fixme)->lat;
1418 if ( VIK_LATLON(&fixme)->lon > maxmin[0].lon || maxmin[0].lon == 0.0 )
1419 maxmin[0].lon = VIK_LATLON(&fixme)->lon;
1420 if ( VIK_LATLON(&fixme)->lon < maxmin[1].lon || maxmin[1].lon == 0.0 )
1421 maxmin[1].lon = VIK_LATLON(&fixme)->lon;
1422 }
1423
1424 static void trw_layer_find_maxmin_tracks ( const gchar *name, GList **t, struct LatLon maxmin[2] )
1425 {
1426 GList *tr = *t;
1427 static VikCoord fixme;
1428
1429 while ( tr )
1430 {
1431 vik_coord_copy_convert ( &(VIK_TRACKPOINT(tr->data)->coord), VIK_COORD_LATLON, &fixme );
1432 if ( VIK_LATLON(&fixme)->lat > maxmin[0].lat || maxmin[0].lat == 0.0 )
1433 maxmin[0].lat = VIK_LATLON(&fixme)->lat;
1434 if ( VIK_LATLON(&fixme)->lat < maxmin[1].lat || maxmin[1].lat == 0.0 )
1435 maxmin[1].lat = VIK_LATLON(&fixme)->lat;
1436 if ( VIK_LATLON(&fixme)->lon > maxmin[0].lon || maxmin[0].lon == 0.0 )
1437 maxmin[0].lon = VIK_LATLON(&fixme)->lon;
1438 if ( VIK_LATLON(&fixme)->lon < maxmin[1].lon || maxmin[1].lon == 0.0 )
1439 maxmin[1].lon = VIK_LATLON(&fixme)->lon;
1440 tr = tr->next;
1441 }
1442 }
1443
1444
1445 gboolean vik_trw_layer_find_center ( VikTrwLayer *vtl, VikCoord *dest )
1446 {
1447 /* 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... */
1448 struct LatLon maxmin[2] = { {0.0,0.0}, {0.0,0.0} };
1449 g_hash_table_foreach ( vtl->waypoints, (GHFunc) trw_layer_find_maxmin_waypoints, maxmin );
1450 g_hash_table_foreach ( vtl->tracks, (GHFunc) trw_layer_find_maxmin_tracks, maxmin );
1451 if (maxmin[0].lat == 0.0 && maxmin[0].lon == 0.0 && maxmin[1].lat == 0.0 && maxmin[1].lon == 0.0)
1452 return FALSE;
1453 else
1454 {
1455 struct LatLon average = { (maxmin[0].lat+maxmin[1].lat)/2, (maxmin[0].lon+maxmin[1].lon)/2 };
1456 vik_coord_load_from_latlon ( dest, vtl->coord_mode, &average );
1457 return TRUE;
1458 }
1459 }
1460
1461 static void trw_layer_centerize ( gpointer layer_and_vlp[2] )
1462 {
1463 VikCoord coord;
1464 if ( vik_trw_layer_find_center ( VIK_TRW_LAYER(layer_and_vlp[0]), &coord ) )
1465 goto_coord ( VIK_LAYERS_PANEL(layer_and_vlp[1]), &coord );
1466 else
1467 a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "This layer has no waypoints or trackpoints." );
1468 }
1469
1470 static void trw_layer_export ( gpointer layer_and_vlp[2], guint file_type )
1471 {
1472 GtkWidget *file_selector;
1473 const gchar *fn;
1474 gboolean failed = FALSE;
1475 file_selector = gtk_file_selection_new ("Export Layer");
1476
1477 while ( gtk_dialog_run ( GTK_DIALOG(file_selector) ) == GTK_RESPONSE_OK )
1478 {
1479 fn = gtk_file_selection_get_filename (GTK_FILE_SELECTION(file_selector) );
1480 if ( access ( fn, F_OK ) != 0 )
1481 {
1482 gtk_widget_hide ( file_selector );
1483 failed = ! a_file_export ( VIK_TRW_LAYER(layer_and_vlp[0]), fn, file_type );
1484 break;
1485 }
1486 else
1487 {
1488 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 ) ) )
1489 {
1490 gtk_widget_hide ( file_selector );
1491 failed = ! a_file_export ( VIK_TRW_LAYER(layer_and_vlp[0]), fn, file_type );
1492 break;
1493 }
1494 }
1495 }
1496 gtk_widget_destroy ( file_selector );
1497 if ( failed )
1498 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "The filename you requested could not be opened for writing." );
1499 }
1500
1501 static void trw_layer_export_gpspoint ( gpointer layer_and_vlp[2] )
1502 {
1503 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPSPOINT );
1504 }
1505
1506 static void trw_layer_export_gpsmapper ( gpointer layer_and_vlp[2] )
1507 {
1508 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPSMAPPER );
1509 }
1510
1511 static void trw_layer_export_gpx ( gpointer layer_and_vlp[2] )
1512 {
1513 trw_layer_export ( layer_and_vlp, FILE_TYPE_GPX );
1514 }
1515
1516 static void trw_layer_goto_wp ( gpointer layer_and_vlp[2] )
1517 {
1518 GHashTable *wps = vik_trw_layer_get_waypoints ( VIK_TRW_LAYER(layer_and_vlp[0]) );
1519 GtkWidget *dia = gtk_dialog_new_with_buttons ("Create",
1520 VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]),
1521 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
1522 GTK_STOCK_CANCEL,
1523 GTK_RESPONSE_REJECT,
1524 GTK_STOCK_OK,
1525 GTK_RESPONSE_ACCEPT,
1526 NULL);
1527
1528 GtkWidget *label, *entry;
1529 label = gtk_label_new("Waypoint Name:");
1530 entry = gtk_entry_new();
1531
1532 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dia)->vbox), label, FALSE, FALSE, 0);
1533 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dia)->vbox), entry, FALSE, FALSE, 0);
1534 gtk_widget_show_all ( label );
1535 gtk_widget_show_all ( entry );
1536
1537 while ( gtk_dialog_run ( GTK_DIALOG(dia) ) == GTK_RESPONSE_ACCEPT )
1538 {
1539 VikWaypoint *wp;
1540 gchar *upname = g_strdup(gtk_entry_get_text(GTK_ENTRY(entry)));
1541 int i;
1542
1543 for ( i = strlen(upname)-1; i >= 0; i-- )
1544 upname[i] = toupper(upname[i]);
1545
1546 wp = g_hash_table_lookup ( wps, upname );
1547
1548 if (!wp)
1549 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(layer_and_vlp[0]), "Waypoint not found in this layer." );
1550 else
1551 {
1552 vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(layer_and_vlp[1])), &(wp->coord) );
1553 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(layer_and_vlp[1]) );
1554 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 ) );
1555 break;
1556 }
1557
1558 g_free ( upname );
1559
1560 }
1561 gtk_widget_destroy ( dia );
1562 }
1563
1564 gboolean vik_trw_layer_new_waypoint ( VikTrwLayer *vtl, GtkWindow *w, const VikCoord *def_coord )
1565 {
1566 gchar *name;
1567 VikWaypoint *wp = vik_waypoint_new();
1568 wp->coord = *def_coord;
1569 wp->altitude = VIK_DEFAULT_ALTITUDE;
1570
1571 if ( a_dialog_new_waypoint ( w, &name, wp, vik_trw_layer_get_waypoints ( vtl ), vtl->coord_mode ) )
1572 {
1573 wp->visible = TRUE;
1574 vik_trw_layer_add_waypoint ( vtl, name, wp );
1575 return TRUE;
1576 }
1577 vik_waypoint_free(wp);
1578 return FALSE;
1579 }
1580
1581 static void trw_layer_new_wp ( gpointer lav[2] )
1582 {
1583 VikTrwLayer *vtl = VIK_TRW_LAYER(lav[0]);
1584 VikLayersPanel *vlp = VIK_LAYERS_PANEL(lav[1]);
1585 /* TODO longone: okay, if layer above (aggregate) is invisible but vtl->visible is true, this redraws for no reason.
1586 instead return true if you want to update. */
1587 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 )
1588 vik_layers_panel_emit_update ( vlp );
1589 }
1590
1591 void vik_trw_layer_add_menu_items ( VikTrwLayer *vtl, GtkMenu *menu, gpointer vlp )
1592 {
1593 static gpointer pass_along[2];
1594 GtkWidget *item;
1595 GtkWidget *export_submenu;
1596 pass_along[0] = vtl;
1597 pass_along[1] = vlp;
1598
1599 item = gtk_menu_item_new();
1600 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
1601 gtk_widget_show ( item );
1602
1603 item = gtk_menu_item_new_with_label ( "Goto Center of Layer" );
1604 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_centerize), pass_along );
1605 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1606 gtk_widget_show ( item );
1607
1608 item = gtk_menu_item_new_with_label ( "Goto Waypoint" );
1609 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_wp), pass_along );
1610 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1611 gtk_widget_show ( item );
1612
1613 export_submenu = gtk_menu_new ();
1614 item = gtk_menu_item_new_with_label ( "Export layer" );
1615 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1616 gtk_widget_show ( item );
1617 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), export_submenu );
1618
1619 item = gtk_menu_item_new_with_label ( "Export as GPSPoint" );
1620 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpspoint), pass_along );
1621 gtk_menu_shell_append (GTK_MENU_SHELL (export_submenu), item);
1622 gtk_widget_show ( item );
1623
1624 item = gtk_menu_item_new_with_label ( "Export as GPSMapper" );
1625 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpsmapper), pass_along );
1626 gtk_menu_shell_append (GTK_MENU_SHELL (export_submenu), item);
1627 gtk_widget_show ( item );
1628
1629 item = gtk_menu_item_new_with_label ( "Export as GPX" );
1630 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_export_gpx), pass_along );
1631 gtk_menu_shell_append (GTK_MENU_SHELL (export_submenu), item);
1632 gtk_widget_show ( item );
1633
1634 item = gtk_menu_item_new_with_label ( "New Waypoint" );
1635 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_new_wp), pass_along );
1636 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1637 gtk_widget_show ( item );
1638
1639 #ifdef VIK_CONFIG_OPENSTREETMAP
1640 item = gtk_menu_item_new_with_label ( "Upload to OSM" );
1641 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(osm_traces_upload_cb), pass_along );
1642 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1643 gtk_widget_show ( item );
1644 #endif
1645 }
1646
1647 void vik_trw_layer_add_waypoint ( VikTrwLayer *vtl, gchar *name, VikWaypoint *wp )
1648 {
1649 if ( VIK_LAYER(vtl)->realized )
1650 {
1651 VikWaypoint *oldwp = VIK_WAYPOINT ( g_hash_table_lookup ( vtl->waypoints, name ) );
1652 if ( oldwp )
1653 wp->visible = oldwp->visible; /* same visibility so we don't have to update viktreeview */
1654 else
1655 {
1656 GtkTreeIter *iter = g_malloc(sizeof(GtkTreeIter));
1657 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1658 vik_treeview_add_sublayer_alphabetized ( VIK_LAYER(vtl)->vt, &(vtl->waypoints_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, NULL, TRUE, TRUE );
1659 #else
1660 vik_treeview_add_sublayer ( VIK_LAYER(vtl)->vt, &(vtl->waypoints_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, NULL, TRUE, TRUE );
1661 #endif
1662 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, iter );
1663 g_hash_table_insert ( vtl->waypoints_iters, name, iter );
1664 wp->visible = TRUE;
1665 }
1666 }
1667 else
1668 wp->visible = TRUE;
1669
1670 g_hash_table_insert ( vtl->waypoints, name, wp );
1671
1672 }
1673
1674 void vik_trw_layer_add_track ( VikTrwLayer *vtl, gchar *name, VikTrack *t )
1675 {
1676 if ( VIK_LAYER(vtl)->realized )
1677 {
1678 VikTrack *oldt = VIK_TRACK ( g_hash_table_lookup ( vtl->tracks, name ) );
1679 if ( oldt )
1680 t->visible = oldt->visible; /* same visibility so we don't have to update viktreeview */
1681 else
1682 {
1683 GtkTreeIter *iter = g_malloc(sizeof(GtkTreeIter));
1684 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
1685 vik_treeview_add_sublayer_alphabetized ( VIK_LAYER(vtl)->vt, &(vtl->tracks_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_TRACK, NULL, TRUE, TRUE );
1686 #else
1687 vik_treeview_add_sublayer ( VIK_LAYER(vtl)->vt, &(vtl->tracks_iter), iter, name, vtl, name, VIK_TRW_LAYER_SUBLAYER_TRACK, NULL, TRUE, TRUE );
1688 #endif
1689 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, iter );
1690 g_hash_table_insert ( vtl->tracks_iters, name, iter );
1691 /* t->visible = TRUE; */
1692 }
1693 }
1694 else
1695 ; /* t->visible = TRUE; // this is now used by file input functions */
1696
1697 g_hash_table_insert ( vtl->tracks, name, t );
1698
1699 }
1700
1701 static gboolean uppercase_exists_in_hash ( GHashTable *hash, const gchar *str )
1702 {
1703 gchar *upp = g_strdup ( str );
1704 gboolean rv;
1705 char *tmp = upp;
1706 while ( *tmp )
1707 {
1708 *tmp = toupper(*tmp);
1709 tmp++;
1710 }
1711 rv = g_hash_table_lookup ( hash, upp ) ? TRUE : FALSE;
1712 g_free (upp);
1713 return rv;
1714 }
1715
1716 /* to be called whenever a track has been deleted or may have been changed. */
1717 static void trw_layer_cancel_tps_of_track ( VikTrwLayer *vtl, const gchar *trk_name )
1718 {
1719 if (vtl->current_tp_track_name && g_strcasecmp(trk_name, vtl->current_tp_track_name) == 0)
1720 trw_layer_cancel_current_tp ( vtl, FALSE );
1721 else if (vtl->last_tp_track_name && g_strcasecmp(trk_name, vtl->last_tp_track_name) == 0)
1722 trw_layer_cancel_last_tp ( vtl );
1723 }
1724
1725 static gchar *get_new_unique_sublayer_name (VikTrwLayer *vtl, gint sublayer_type, const gchar *name)
1726 {
1727 gint i = 2;
1728 gchar *newname = g_strdup(name);
1729 while ((sublayer_type == VIK_TRW_LAYER_SUBLAYER_TRACK) ?
1730 (void *)vik_trw_layer_get_track(vtl, newname) : (void *)vik_trw_layer_get_waypoint(vtl, newname)) {
1731 gchar *new_newname = g_strdup_printf("%s#%d", name, i);
1732 g_free(newname);
1733 newname = new_newname;
1734 i++;
1735 }
1736 return newname;
1737 }
1738
1739 void vik_trw_layer_filein_add_waypoint ( VikTrwLayer *vtl, gchar *name, VikWaypoint *wp )
1740 {
1741 vik_trw_layer_add_waypoint ( vtl,
1742 get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_WAYPOINT, name),
1743 wp );
1744 }
1745 void vik_trw_layer_filein_add_track ( VikTrwLayer *vtl, gchar *name, VikTrack *tr )
1746 {
1747 vik_trw_layer_add_track ( vtl,
1748 get_new_unique_sublayer_name(vtl, VIK_TRW_LAYER_SUBLAYER_TRACK, name),
1749 tr );
1750 }
1751
1752 static void trw_layer_enum_item ( const gchar *name, GList **tr, GList **l )
1753 {
1754 *l = g_list_append(*l, (gpointer)name);
1755 }
1756
1757 static void trw_layer_move_item ( VikTrwLayer *vtl_src, VikTrwLayer *vtl_dest, gchar *name, gint type )
1758 {
1759 gchar *newname = get_new_unique_sublayer_name(vtl_dest, type, name);
1760 if (type == VIK_TRW_LAYER_SUBLAYER_TRACK) {
1761 VikTrack *t;
1762 t = vik_track_copy(vik_trw_layer_get_track(vtl_src, name));
1763 vik_trw_layer_delete_track(vtl_src, name);
1764 vik_trw_layer_add_track(vtl_dest, newname, t);
1765 }
1766 if (type==VIK_TRW_LAYER_SUBLAYER_WAYPOINT) {
1767 VikWaypoint *w;
1768 w = vik_waypoint_copy(vik_trw_layer_get_waypoint(vtl_src, name));
1769 vik_trw_layer_delete_waypoint(vtl_src, name);
1770 vik_trw_layer_add_waypoint(vtl_dest, newname, w);
1771 }
1772 }
1773
1774 static void trw_layer_drag_drop_request ( VikTrwLayer *vtl_src, VikTrwLayer *vtl_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
1775 {
1776 VikTreeview *vt = VIK_LAYER(vtl_src)->vt;
1777 gint type = vik_treeview_item_get_data(vt, src_item_iter);
1778
1779 if (!vik_treeview_item_get_pointer(vt, src_item_iter)) {
1780 GList *items = NULL;
1781 GList *iter;
1782
1783 if (type==VIK_TRW_LAYER_SUBLAYER_TRACKS) {
1784 g_hash_table_foreach ( vtl_src->tracks, (GHFunc)trw_layer_enum_item, &items);
1785 }
1786 if (type==VIK_TRW_LAYER_SUBLAYER_WAYPOINTS) {
1787 g_hash_table_foreach ( vtl_src->waypoints, (GHFunc)trw_layer_enum_item, &items);
1788 }
1789
1790 iter = items;
1791 while (iter) {
1792 if (type==VIK_TRW_LAYER_SUBLAYER_TRACKS) {
1793 trw_layer_move_item ( vtl_src, vtl_dest, iter->data, VIK_TRW_LAYER_SUBLAYER_TRACK);
1794 } else {
1795 trw_layer_move_item ( vtl_src, vtl_dest, iter->data, VIK_TRW_LAYER_SUBLAYER_WAYPOINT);
1796 }
1797 iter = iter->next;
1798 }
1799 if (items)
1800 g_list_free(items);
1801 } else {
1802 gchar *name = vik_treeview_item_get_pointer(vt, src_item_iter);
1803 trw_layer_move_item(vtl_src, vtl_dest, name, type);
1804 }
1805 }
1806
1807
1808 gboolean vik_trw_layer_delete_track ( VikTrwLayer *vtl, const gchar *trk_name )
1809 {
1810 VikTrack *t = g_hash_table_lookup ( vtl->tracks, trk_name );
1811 gboolean was_visible = FALSE;
1812 if ( t )
1813 {
1814 GtkTreeIter *it;
1815 was_visible = t->visible;
1816 if ( t == vtl->current_track )
1817 vtl->current_track = NULL;
1818
1819 /* could be current_tp, so we have to check */
1820 trw_layer_cancel_tps_of_track ( vtl, trk_name );
1821
1822 g_assert ( ( it = g_hash_table_lookup ( vtl->tracks_iters, trk_name ) ) );
1823 vik_treeview_item_delete ( VIK_LAYER(vtl)->vt, it );
1824 g_hash_table_remove ( vtl->tracks_iters, trk_name );
1825
1826 /* do this last because trk_name may be pointing to actual orig key */
1827 g_hash_table_remove ( vtl->tracks, trk_name );
1828 }
1829 return was_visible;
1830 }
1831
1832 gboolean vik_trw_layer_delete_waypoint ( VikTrwLayer *vtl, const gchar *wp_name )
1833 {
1834 gboolean was_visible = FALSE;
1835 VikWaypoint *wp;
1836
1837 wp = g_hash_table_lookup ( vtl->waypoints, wp_name );
1838 if ( wp ) {
1839 GtkTreeIter *it;
1840
1841 if ( wp == vtl->current_wp ) {
1842 vtl->current_wp = NULL;
1843 vtl->current_wp_name = NULL;
1844 vtl->moving_wp = FALSE;
1845 }
1846
1847 was_visible = wp->visible;
1848 g_assert ( ( it = g_hash_table_lookup ( vtl->waypoints_iters, (gchar *) wp_name ) ) );
1849 vik_treeview_item_delete ( VIK_LAYER(vtl)->vt, it );
1850 g_hash_table_remove ( vtl->waypoints_iters, (gchar *) wp_name );
1851 g_hash_table_remove ( vtl->waypoints, wp_name ); /* last because this frees name */
1852 }
1853
1854 return was_visible;
1855 }
1856
1857 static void remove_item_from_treeview(const gchar *name, GtkTreeIter *it, VikTreeview * vt)
1858 {
1859 vik_treeview_item_delete (vt, it );
1860 }
1861
1862 void vik_trw_layer_delete_all_tracks ( VikTrwLayer *vtl )
1863 {
1864
1865 vtl->current_track = NULL;
1866 if (vtl->current_tp_track_name)
1867 trw_layer_cancel_current_tp(vtl, FALSE);
1868 if (vtl->last_tp_track_name)
1869 trw_layer_cancel_last_tp ( vtl );
1870
1871 g_hash_table_foreach(vtl->tracks_iters, (GHFunc) remove_item_from_treeview, VIK_LAYER(vtl)->vt);
1872 g_hash_table_remove_all(vtl->tracks_iters);
1873 g_hash_table_remove_all(vtl->tracks);
1874
1875 /* TODO: only update if the layer is visible (ticked) */
1876 vik_layer_emit_update ( VIK_LAYER(vtl) );
1877 }
1878
1879 void vik_trw_layer_delete_all_waypoints ( VikTrwLayer *vtl )
1880 {
1881 vtl->current_wp = NULL;
1882 vtl->current_wp_name = NULL;
1883 vtl->moving_wp = FALSE;
1884
1885 g_hash_table_foreach(vtl->waypoints_iters, (GHFunc) remove_item_from_treeview, VIK_LAYER(vtl)->vt);
1886 g_hash_table_remove_all(vtl->waypoints_iters);
1887 g_hash_table_remove_all(vtl->waypoints);
1888
1889 /* TODO: only update if the layer is visible (ticked) */
1890 vik_layer_emit_update ( VIK_LAYER(vtl) );
1891 }
1892
1893 static void trw_layer_delete_item ( gpointer pass_along[5] )
1894 {
1895 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
1896 gboolean was_visible = FALSE;
1897 if ( (gint) pass_along[2] == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1898 {
1899 was_visible = vik_trw_layer_delete_waypoint ( vtl, (gchar *) pass_along[3] );
1900 }
1901 else
1902 {
1903 was_visible = vik_trw_layer_delete_track ( vtl, (gchar *) pass_along[3] );
1904 }
1905 if ( was_visible )
1906 vik_layer_emit_update ( VIK_LAYER(vtl) );
1907 }
1908
1909
1910 static void trw_layer_properties_item ( gpointer pass_along[5] )
1911 {
1912 VikTrwLayer *vtl = VIK_TRW_LAYER(pass_along[0]);
1913 if ( (gint) pass_along[2] == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
1914 {
1915 VikWaypoint *wp = g_hash_table_lookup ( vtl->waypoints, pass_along[3] );
1916 if ( wp )
1917 {
1918 if ( a_dialog_new_waypoint ( VIK_GTK_WINDOW_FROM_LAYER(vtl), NULL, wp, NULL, vtl->coord_mode ) )
1919
1920 if ( VIK_LAYER(vtl)->visible )
1921 vik_layer_emit_update ( VIK_LAYER(vtl) );
1922 }
1923 }
1924 else
1925 {
1926 VikTrack *tr = g_hash_table_lookup ( vtl->tracks, pass_along[3] );
1927 if ( tr )
1928 {
1929 gint resp = vik_trw_layer_propwin_run ( VIK_GTK_WINDOW_FROM_LAYER(vtl), tr, pass_along[1] /* vlp */ );
1930 if ( resp == VIK_TRW_LAYER_PROPWIN_DEL_DUP )
1931 {
1932 vik_track_remove_dup_points(tr);
1933 /* above operation could have deleted current_tp or last_tp */
1934 trw_layer_cancel_tps_of_track ( vtl, (gchar *) pass_along[3] );
1935 vik_layer_emit_update ( VIK_LAYER(vtl) );
1936 }
1937 if ( resp == VIK_TRW_LAYER_PROPWIN_REVERSE )
1938 {
1939 vik_track_reverse(tr);
1940 vik_layer_emit_update ( VIK_LAYER(vtl) );
1941 }
1942 else if ( resp == VIK_TRW_LAYER_PROPWIN_SPLIT )
1943 {
1944 /* get new tracks, add them, resolve naming conflicts (free if cancel), and delete old. old can still exist on clipboard. */
1945 guint ntracks;
1946 VikTrack **tracks = vik_track_split_into_segments(tr, &ntracks);
1947 gchar *new_tr_name;
1948 guint i;
1949 for ( i = 0; i < ntracks; i++ )
1950 {
1951 g_assert ( tracks[i] );
1952 new_tr_name = g_strdup_printf("%s #%d", (gchar *) pass_along[3], i+1);
1953 /* if ( (wp_exists) && (! overwrite) ) */
1954 /* don't need to upper case new_tr_name because old tr name was uppercase */
1955 if ( g_hash_table_lookup ( vtl->tracks, new_tr_name ) &&
1956 ( ! a_dialog_overwrite ( VIK_GTK_WINDOW_FROM_LAYER(vtl), "The track \"%s\" exists, do you wish to overwrite it?", new_tr_name ) ) )
1957 {
1958 gchar *new_new_tr_name = a_dialog_new_track ( VIK_GTK_WINDOW_FROM_LAYER(vtl), vtl->tracks );
1959 g_free ( new_tr_name );
1960 if (new_new_tr_name)
1961 new_tr_name = new_new_tr_name;
1962 else
1963 {
1964 new_tr_name = NULL;
1965 vik_track_free ( tracks[i] );
1966 }
1967 }
1968 if ( new_tr_name )
1969 vik_trw_layer_add_track ( vtl, new_tr_name, tracks[i] );
1970 }
1971 if ( tracks )
1972 {
1973 g_free ( tracks );
1974 vik_trw_layer_delete_track ( vtl, (gchar *) pass_along[3] );
1975 vik_layer_emit_update ( VIK_LAYER(vtl) ); /* chase thru the hoops */
1976 }
1977 }
1978 }
1979 }
1980 }
1981
1982 static void goto_coord ( VikLayersPanel *vlp, const VikCoord *coord )
1983 {
1984 vik_viewport_set_center_coord ( vik_layers_panel_get_viewport(vlp), coord );
1985 vik_layers_panel_emit_update ( vlp );
1986 }
1987
1988 static void trw_layer_goto_track_startpoint ( gpointer pass_along[5] )
1989 {
1990 GList *trps = ((VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] ))->trackpoints;
1991 if ( trps && trps->data )
1992 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(((VikTrackpoint *) trps->data)->coord));
1993 }
1994
1995 static void trw_layer_goto_track_center ( gpointer pass_along[5] )
1996 {
1997 GList **trps = g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
1998 if ( trps && *trps )
1999 {
2000 struct LatLon average, maxmin[2] = { {0,0}, {0,0} };
2001 VikCoord coord;
2002 trw_layer_find_maxmin_tracks ( NULL, trps, maxmin );
2003 average.lat = (maxmin[0].lat+maxmin[1].lat)/2;
2004 average.lon = (maxmin[0].lon+maxmin[1].lon)/2;
2005 vik_coord_load_from_latlon ( &coord, VIK_TRW_LAYER(pass_along[0])->coord_mode, &average );
2006 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &coord);
2007 }
2008 }
2009
2010 static void trw_layer_apply_dem_data ( gpointer pass_along[6] )
2011 {
2012 /* TODO: check & warn if no DEM data, or no applicable DEM data. */
2013 /* Also warn if overwrite old elevation data */
2014 VikTrack *track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
2015
2016 vik_track_apply_dem_data ( track );
2017 }
2018
2019
2020 static void trw_layer_goto_track_endpoint ( gpointer pass_along[6] )
2021 {
2022 GList *trps = ((VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] ))->trackpoints;
2023 if ( !trps )
2024 return;
2025 trps = g_list_last(trps);
2026 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(((VikTrackpoint *) trps->data)->coord));
2027 }
2028
2029
2030 /*************************************
2031 * merge/split by time routines
2032 *************************************/
2033
2034 /* called for each key in track hash table. if original track user_data[1] is close enough
2035 * to the passed one, add it to list in user_data[0]
2036 */
2037 static void find_nearby_track(gpointer key, gpointer value, gpointer user_data)
2038 {
2039 time_t t1, t2;
2040 VikTrackpoint *p1, *p2;
2041
2042 GList **nearby_tracks = ((gpointer *)user_data)[0];
2043 GList *orig_track = ((gpointer *)user_data)[1];
2044 guint thr = (guint)((gpointer *)user_data)[2];
2045
2046 t1 = VIK_TRACKPOINT(orig_track->data)->timestamp;
2047 t2 = VIK_TRACKPOINT(g_list_last(orig_track)->data)->timestamp;
2048
2049 if (VIK_TRACK(value)->trackpoints == orig_track) {
2050 return;
2051 }
2052
2053 p1 = VIK_TRACKPOINT(VIK_TRACK(value)->trackpoints->data);
2054 p2 = VIK_TRACKPOINT(g_list_last(VIK_TRACK(value)->trackpoints)->data);
2055
2056 if (!p1->has_timestamp || !p2->has_timestamp) {
2057 g_print("no timestamp\n");
2058 return;
2059 }
2060
2061 /* g_print("Got track named %s, times %d, %d\n", (gchar *)key, p1->timestamp, p2->timestamp); */
2062 if (abs(t1 - p2->timestamp) < thr*60 ||
2063 /* p1 p2 t1 t2 */
2064 abs(p1->timestamp - t2) < thr*60
2065 /* t1 t2 p1 p2 */
2066 ) {
2067 *nearby_tracks = g_list_prepend(*nearby_tracks, key);
2068 }
2069 }
2070
2071 /* comparison function used to sort tracks; a and b are hash table keys */
2072 static gint track_compare(gconstpointer a, gconstpointer b, gpointer user_data)
2073 {
2074 GHashTable *tracks = user_data;
2075 time_t t1, t2;
2076
2077 t1 = VIK_TRACKPOINT(VIK_TRACK(g_hash_table_lookup(tracks, a))->trackpoints->data)->timestamp;
2078 t2 = VIK_TRACKPOINT(VIK_TRACK(g_hash_table_lookup(tracks, b))->trackpoints->data)->timestamp;
2079
2080 if (t1 < t2) return -1;
2081 if (t1 > t2) return 1;
2082 return 0;
2083 }
2084
2085 /* comparison function used to sort trackpoints */
2086 static gint trackpoint_compare(gconstpointer a, gconstpointer b)
2087 {
2088 time_t t1 = VIK_TRACKPOINT(a)->timestamp, t2 = VIK_TRACKPOINT(b)->timestamp;
2089
2090 if (t1 < t2) return -1;
2091 if (t1 > t2) return 1;
2092 return 0;
2093 }
2094
2095 /* merge by time routine */
2096 static void trw_layer_merge_by_timestamp ( gpointer pass_along[6] )
2097 {
2098 time_t t1, t2;
2099 GList *nearby_tracks = NULL;
2100 VikTrack *track;
2101 GList *trps;
2102 static guint thr = 1;
2103 guint track_count = 0;
2104 gchar *orig_track_name = strdup(pass_along[3]);
2105
2106 if (!a_dialog_time_threshold(VIK_GTK_WINDOW_FROM_LAYER(pass_along[0]),
2107 "Merge Threshold...",
2108 "Merge when time between trackpoints less than:",
2109 &thr)) {
2110 return;
2111 }
2112
2113 /* merge tracks until we can't */
2114 do {
2115 gpointer params[3];
2116
2117 track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, orig_track_name );
2118 trps = track->trackpoints;
2119 if ( !trps )
2120 return;
2121
2122
2123 if (nearby_tracks) {
2124 g_list_free(nearby_tracks);
2125 nearby_tracks = NULL;
2126 }
2127
2128 t1 = ((VikTrackpoint *)trps->data)->timestamp;
2129 t2 = ((VikTrackpoint *)g_list_last(trps)->data)->timestamp;
2130
2131 /* g_print("Original track times: %d and %d\n", t1, t2); */
2132 params[0] = &nearby_tracks;
2133 params[1] = trps;
2134 params[2] = (gpointer)thr;
2135
2136 /* get a list of adjacent-in-time tracks */
2137 g_hash_table_foreach(VIK_TRW_LAYER(pass_along[0])->tracks, find_nearby_track, (gpointer)params);
2138
2139 /* add original track */
2140 nearby_tracks = g_list_prepend(nearby_tracks, orig_track_name);
2141
2142 /* sort by first trackpoint; assumes they don't overlap */
2143 nearby_tracks = g_list_sort_with_data(nearby_tracks, track_compare, VIK_TRW_LAYER(pass_along[0])->tracks);
2144
2145 /* merge them */
2146 {
2147 #define get_track(x) VIK_TRACK(g_hash_table_lookup(VIK_TRW_LAYER(pass_along[0])->tracks, (gchar *)((x)->data)))
2148 #define get_first_trackpoint(x) VIK_TRACKPOINT(get_track(x)->trackpoints->data)
2149 #define get_last_trackpoint(x) VIK_TRACKPOINT(g_list_last(get_track(x)->trackpoints)->data)
2150 GList *l = nearby_tracks;
2151 VikTrack *tr = vik_track_new();
2152 tr->visible = track->visible;
2153 track_count = 0;
2154 while (l) {
2155 /*
2156 time_t t1, t2;
2157 t1 = get_first_trackpoint(l)->timestamp;
2158 t2 = get_last_trackpoint(l)->timestamp;
2159 g_print(" %20s: track %d - %d\n", (char *)l->data, (int)t1, (int)t2);
2160 */
2161
2162
2163 /* remove trackpoints from merged track, delete track */
2164 tr->trackpoints = g_list_concat(tr->trackpoints, get_track(l)->trackpoints);
2165 get_track(l)->trackpoints = NULL;
2166 vik_trw_layer_delete_track(VIK_TRW_LAYER(pass_along[0]), l->data);
2167
2168 track_count ++;
2169 l = g_list_next(l);
2170 }
2171 tr->trackpoints = g_list_sort(tr->trackpoints, trackpoint_compare);
2172 vik_trw_layer_add_track(VIK_TRW_LAYER(pass_along[0]), strdup(orig_track_name), tr);
2173
2174 #undef get_first_trackpoint
2175 #undef get_last_trackpoint
2176 #undef get_track
2177 }
2178 } while (track_count > 1);
2179 g_list_free(nearby_tracks);
2180 free(orig_track_name);
2181 vik_layer_emit_update(VIK_LAYER(pass_along[0]));
2182 }
2183
2184 /* split by time routine */
2185 static void trw_layer_split_by_timestamp ( gpointer pass_along[6] )
2186 {
2187 VikTrack *track = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
2188 GList *trps = track->trackpoints;
2189 GList *iter;
2190 GList *newlists = NULL;
2191 GList *newtps = NULL;
2192 guint i;
2193 static guint thr = 1;
2194
2195 time_t ts, prev_ts;
2196
2197 if ( !trps )
2198 return;
2199
2200 if (!a_dialog_time_threshold(VIK_GTK_WINDOW_FROM_LAYER(pass_along[0]),
2201 "Split Threshold...",
2202 "Split when time between trackpoints exceeds:",
2203 &thr)) {
2204 return;
2205 }
2206
2207 /* iterate through trackpoints, and copy them into new lists without touching original list */
2208 prev_ts = VIK_TRACKPOINT(trps->data)->timestamp;
2209 iter = trps;
2210
2211 while (iter) {
2212 ts = VIK_TRACKPOINT(iter->data)->timestamp;
2213 if (ts < prev_ts) {
2214 g_print("panic: ts < prev_ts: this should never happen!\n");
2215 return;
2216 }
2217 if (ts - prev_ts > thr*60) {
2218 /* flush accumulated trackpoints into new list */
2219 newlists = g_list_prepend(newlists, g_list_reverse(newtps));
2220 newtps = NULL;
2221 }
2222
2223 /* accumulate trackpoint copies in newtps, in reverse order */
2224 newtps = g_list_prepend(newtps, vik_trackpoint_copy(VIK_TRACKPOINT(iter->data)));
2225 prev_ts = ts;
2226 iter = g_list_next(iter);
2227 }
2228 if (newtps) {
2229 newlists = g_list_prepend(newlists, g_list_reverse(newtps));
2230 }
2231
2232 /* put lists of trackpoints into tracks */
2233 iter = newlists;
2234 i = 1;
2235 while (iter) {
2236 gchar *new_tr_name;
2237 VikTrack *tr;
2238
2239 tr = vik_track_new();
2240 tr->visible = track->visible;
2241 tr->trackpoints = (GList *)(iter->data);
2242
2243 new_tr_name = g_strdup_printf("%s #%d", (gchar *) pass_along[3], i++);
2244 vik_trw_layer_add_track(VIK_TRW_LAYER(pass_along[0]), new_tr_name, tr);
2245 /* g_print("adding track %s, times %d - %d\n", new_tr_name, VIK_TRACKPOINT(tr->trackpoints->data)->timestamp,
2246 VIK_TRACKPOINT(g_list_last(tr->trackpoints)->data)->timestamp);*/
2247
2248 iter = g_list_next(iter);
2249 }
2250 g_list_free(newlists);
2251 vik_trw_layer_delete_track(VIK_TRW_LAYER(pass_along[0]), (gchar *)pass_along[3]);
2252 vik_layer_emit_update(VIK_LAYER(pass_along[0]));
2253 }
2254
2255 /* end of split/merge routines */
2256
2257
2258 static void trw_layer_goto_waypoint ( gpointer pass_along[5] )
2259 {
2260 VikWaypoint *wp = g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->waypoints, pass_along[3] );
2261 if ( wp )
2262 goto_coord ( VIK_LAYERS_PANEL(pass_along[1]), &(wp->coord) );
2263 }
2264
2265 static void trw_layer_waypoint_gc_webpage ( gpointer pass_along[5] )
2266 {
2267 gchar *webpage = g_strdup_printf("http://www.geocaching.com/seek/cache_details.aspx?wp=%s", (gchar *) pass_along[3] );
2268 #ifdef WINDOWS
2269 ShellExecute(NULL, NULL, (char *) webpage, NULL, ".\\", 0);
2270 #else /* WINDOWS */
2271 GError *err = NULL;
2272 gchar *cmd = g_strdup_printf ( "%s %s", UNIX_WEB_BROWSER, webpage );
2273 if ( ! g_spawn_command_line_async ( cmd, &err ) )
2274 {
2275 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(VIK_LAYER(pass_along[0])), "Could not launch web browser." );
2276 g_error_free ( err );
2277 }
2278 g_free ( cmd );
2279 #endif /* WINDOWS */
2280 g_free ( webpage );
2281 }
2282
2283 const gchar *vik_trw_layer_sublayer_rename_request ( VikTrwLayer *l, const gchar *newname, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter )
2284 {
2285 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
2286 {
2287 int i;
2288 gchar *rv;
2289 VikWaypoint *wp;
2290
2291 if ( strcasecmp ( newname, sublayer ) == 0 )
2292 return NULL;
2293
2294 if ( uppercase_exists_in_hash ( l->waypoints, newname ) )
2295 {
2296 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(l), "Waypoint Already Exists" );
2297 return NULL;
2298 }
2299
2300 iter = g_hash_table_lookup ( l->waypoints_iters, sublayer );
2301 g_hash_table_steal ( l->waypoints_iters, sublayer );
2302
2303 wp = vik_waypoint_copy ( VIK_WAYPOINT(g_hash_table_lookup ( l->waypoints, sublayer )) );
2304 g_hash_table_remove ( l->waypoints, sublayer );
2305
2306 rv = g_strdup(newname);
2307 for ( i = strlen(rv) - 1; i >= 0; i-- )
2308 rv[i] = toupper(rv[i]);
2309
2310 vik_treeview_item_set_pointer ( VIK_LAYER(l)->vt, iter, rv );
2311
2312 g_hash_table_insert ( l->waypoints, rv, wp );
2313 g_hash_table_insert ( l->waypoints_iters, rv, iter );
2314
2315 /* it hasn't been updated yet so we pass new name */
2316 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
2317 vik_treeview_sublayer_realphabetize ( VIK_LAYER(l)->vt, iter, rv );
2318 #endif
2319
2320 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vlp) );
2321 return rv;
2322 }
2323 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2324 {
2325 int i;
2326 gchar *rv;
2327 VikTrack *tr;
2328 GtkTreeIter *iter;
2329 gchar *orig_key;
2330
2331 if ( strcasecmp ( newname, sublayer ) == 0 )
2332 return NULL;
2333
2334 if ( uppercase_exists_in_hash ( l->tracks, newname ) )
2335 {
2336 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(l), "Track Already Exists" );
2337 return NULL;
2338 }
2339
2340 g_hash_table_lookup_extended ( l->tracks, sublayer, (void *)&orig_key, (void *)&tr );
2341 g_hash_table_steal ( l->tracks, sublayer );
2342
2343 iter = g_hash_table_lookup ( l->tracks_iters, sublayer );
2344 g_hash_table_steal ( l->tracks_iters, sublayer );
2345
2346 rv = g_strdup(newname);
2347 for ( i = strlen(rv) - 1; i >= 0; i-- )
2348 rv[i] = toupper(rv[i]);
2349
2350 vik_treeview_item_set_pointer ( VIK_LAYER(l)->vt, iter, rv );
2351
2352 g_hash_table_insert ( l->tracks, rv, tr );
2353 g_hash_table_insert ( l->tracks_iters, rv, iter );
2354
2355 /* don't forget about current_tp_track_name, update that too */
2356 if ( l->current_tp_track_name && g_strcasecmp(orig_key,l->current_tp_track_name) == 0 )
2357 {
2358 l->current_tp_track_name = rv;
2359 if ( l->tpwin )
2360 vik_trw_layer_tpwin_set_track_name ( l->tpwin, rv );
2361 }
2362 else if ( l->last_tp_track_name && g_strcasecmp(orig_key,l->last_tp_track_name) == 0 )
2363 l->last_tp_track_name = rv;
2364
2365 g_free ( orig_key );
2366
2367 #ifdef VIK_CONFIG_ALPHABETIZED_TRW
2368 vik_treeview_sublayer_realphabetize ( VIK_LAYER(l)->vt, iter, rv );
2369 #endif
2370
2371 vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vlp) );
2372 return rv;
2373 }
2374 return NULL;
2375 }
2376
2377 static gboolean is_valid_geocache_name ( gchar *str )
2378 {
2379 gint len = strlen ( str );
2380 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]));
2381 }
2382
2383 /* vlp can be NULL if necessary - i.e. right-click from a tool -- but be careful, some functions may try to use it */
2384 gboolean vik_trw_layer_sublayer_add_menu_items ( VikTrwLayer *l, GtkMenu *menu, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter )
2385 {
2386 static GtkTreeIter staticiter;
2387 static gpointer pass_along[5];
2388 GtkWidget *item;
2389 gboolean rv = FALSE;
2390
2391 pass_along[0] = l;
2392 pass_along[1] = vlp;
2393 pass_along[2] = (gpointer) subtype;
2394 pass_along[3] = sublayer;
2395 staticiter = *iter; /* will exist after function has ended */
2396 pass_along[4] = &staticiter;
2397
2398 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT || subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2399 {
2400 rv = TRUE;
2401
2402 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PROPERTIES, NULL );
2403 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_properties_item), pass_along );
2404 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2405 gtk_widget_show ( item );
2406
2407 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_CUT, NULL );
2408 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_cut_item_cb), pass_along );
2409 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2410 gtk_widget_show ( item );
2411
2412 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_COPY, NULL );
2413 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_copy_item_cb), pass_along );
2414 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2415 gtk_widget_show ( item );
2416
2417 item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_DELETE, NULL );
2418 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_delete_item), pass_along );
2419 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2420 gtk_widget_show ( item );
2421
2422 if ( subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT )
2423 {
2424 /* could be a right-click using the tool */
2425 if ( vlp != NULL ) {
2426 item = gtk_menu_item_new_with_label ( "Goto" );
2427 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_waypoint), pass_along );
2428 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2429 gtk_widget_show ( item );
2430 }
2431
2432 if ( is_valid_geocache_name ( (gchar *) sublayer ) )
2433 {
2434 item = gtk_menu_item_new_with_label ( "Visit Geocache Webpage" );
2435 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_waypoint_gc_webpage), pass_along );
2436 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2437 gtk_widget_show ( item );
2438 }
2439
2440 }
2441 }
2442
2443 if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK )
2444 {
2445 item = gtk_menu_item_new ();
2446 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2447 gtk_widget_show ( item );
2448
2449 item = gtk_menu_item_new_with_label ( "Goto Startpoint" );
2450 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_startpoint), pass_along );
2451 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2452 gtk_widget_show ( item );
2453
2454 item = gtk_menu_item_new_with_label ( "Goto \"Center\"" );
2455 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_center), pass_along );
2456 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2457 gtk_widget_show ( item );
2458
2459 item = gtk_menu_item_new_with_label ( "Goto Endpoint" );
2460 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_goto_track_endpoint), pass_along );
2461 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2462 gtk_widget_show ( item );
2463
2464 item = gtk_menu_item_new_with_label ( "Merge By Time" );
2465 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_merge_by_timestamp), pass_along );
2466 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2467 gtk_widget_show ( item );
2468
2469 item = gtk_menu_item_new_with_label ( "Split By Time" );
2470 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_split_by_timestamp), pass_along );
2471 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2472 gtk_widget_show ( item );
2473
2474 item = gtk_menu_item_new_with_label ( "Download maps along track..." );
2475 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_download_map_along_track_cb), pass_along );
2476 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2477 gtk_widget_show ( item );
2478
2479 item = gtk_menu_item_new_with_label ( "Apply DEM Data" );
2480 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_apply_dem_data), pass_along );
2481 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2482 gtk_widget_show ( item );
2483
2484 #ifdef VIK_CONFIG_OPENSTREETMAP
2485 item = gtk_menu_item_new_with_label ( "Upload to OSM" );
2486 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(osm_traces_upload_track_cb), pass_along );
2487 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2488 gtk_widget_show ( item );
2489 #endif
2490 }
2491
2492 if ( vlp && (subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINTS || subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT) )
2493 {
2494 item = gtk_menu_item_new ();
2495 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
2496 gtk_widget_show ( item );
2497
2498 item = gtk_menu_item_new_with_label ( "New Waypoint" );
2499 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_new_wp), pass_along );
2500 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
2501 gtk_widget_show ( item );
2502 }
2503
2504 return rv;
2505 }
2506
2507
2508 /* to be called when last_tpl no long exists. */
2509 static void trw_layer_cancel_last_tp ( VikTrwLayer *vtl )
2510 {
2511 if ( vtl->tpwin ) /* can't join with a non-existant TP. */
2512 vik_trw_layer_tpwin_disable_join ( vtl->tpwin );
2513 vtl->last_tpl = NULL;
2514 vtl->last_tp_track_name = NULL;
2515 }
2516
2517 static void trw_layer_cancel_current_tp ( VikTrwLayer *vtl, gboolean destroy )
2518 {
2519 if ( vtl->tpwin )
2520 {
2521 if ( destroy)
2522 {
2523 gtk_widget_destroy ( GTK_WIDGET(vtl->tpwin) );
2524 vtl->tpwin = NULL;
2525 }
2526 else
2527 vik_trw_layer_tpwin_set_empty ( vtl->tpwin );
2528 }
2529 if ( vtl->current_tpl )
2530 {
2531 vtl->current_tpl = NULL;
2532 vtl->current_tp_track_name = NULL;
2533 vik_layer_emit_update(VIK_LAYER(vtl));
2534 }
2535 }
2536
2537 static void trw_layer_tpwin_response ( VikTrwLayer *vtl, gint response )
2538 {
2539 g_assert ( vtl->tpwin != NULL );
2540 if ( response == VIK_TRW_LAYER_TPWIN_CLOSE )
2541 trw_layer_cancel_current_tp ( vtl, TRUE );
2542 else if ( response == VIK_TRW_LAYER_TPWIN_SPLIT && vtl->current_tpl->next && vtl->current_tpl->prev )
2543 {
2544 gchar *name;
2545 if ( ( name = a_dialog_new_track ( GTK_WINDOW(vtl->tpwin), vtl->tracks ) ) )
2546 {
2547 VikTrack *tr = vik_track_new ();
2548 GList *newglist = g_list_alloc ();
2549 newglist->prev = NULL;
2550 newglist->next = vtl->current_tpl->next;
2551 newglist->data = vik_trackpoint_copy(VIK_TRACKPOINT(vtl->current_tpl->data));
2552 tr->trackpoints = newglist;
2553
2554 vtl->current_tpl->next->prev = newglist; /* end old track here */
2555 vtl->current_tpl->next = NULL;
2556
2557 vtl->current_tpl = newglist; /* change tp to first of new track. */
2558 vtl->current_tp_track_name = name;
2559
2560 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2561
2562 vik_trw_layer_add_track ( vtl, name, tr );
2563 vik_layer_emit_update(VIK_LAYER(vtl));
2564 }
2565 }
2566 else if ( response == VIK_TRW_LAYER_TPWIN_DELETE )
2567 {
2568 VikTrack *tr = g_hash_table_lookup ( vtl->tracks, vtl->current_tp_track_name );
2569 GList *new_tpl;
2570 g_assert(tr != NULL);
2571
2572 /* can't join with a non-existent trackpoint */
2573 vtl->last_tpl = NULL;
2574 vtl->last_tp_track_name = NULL;
2575
2576 if ( (new_tpl = vtl->current_tpl->next) || (new_tpl = vtl->current_tpl->prev) )
2577 {
2578 if ( VIK_TRACKPOINT(vtl->current_tpl->data)->newsegment && vtl->current_tpl->next )
2579 VIK_TRACKPOINT(vtl->current_tpl->next->data)->newsegment = TRUE; /* don't concat segments on del */
2580
2581 tr->trackpoints = g_list_remove_link ( tr->trackpoints, vtl->current_tpl ); /* this nulls current_tpl->prev and next */
2582
2583 /* at this point the old trackpoint exists, but the list links are correct (new), so it is safe to do this. */
2584 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, new_tpl, vtl->current_tp_track_name );
2585
2586 trw_layer_cancel_last_tp ( vtl );
2587
2588 g_free ( vtl->current_tpl->data ); /* TODO: vik_trackpoint_free() */
2589 g_list_free_1 ( vtl->current_tpl );
2590 vtl->current_tpl = new_tpl;
2591 vik_layer_emit_update(VIK_LAYER(vtl));
2592 }
2593 else
2594 {
2595 tr->trackpoints = g_list_remove_link ( tr->trackpoints, vtl->current_tpl );
2596 g_free ( vtl->current_tpl->data ); /* TODO longone: vik_trackpoint_new() and vik_trackpoint_free() */
2597 g_list_free_1 ( vtl->current_tpl );
2598 trw_layer_cancel_current_tp ( vtl, FALSE );
2599 }
2600 }
2601 else if ( response == VIK_TRW_LAYER_TPWIN_FORWARD && vtl->current_tpl->next )
2602 {
2603 vtl->last_tpl = vtl->current_tpl;
2604 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl = vtl->current_tpl->next, vtl->current_tp_track_name );
2605 vik_layer_emit_update(VIK_LAYER(vtl)); /* TODO longone: either move or only update if tp is inside drawing window */
2606 }
2607 else if ( response == VIK_TRW_LAYER_TPWIN_BACK && vtl->current_tpl->prev )
2608 {
2609 vtl->last_tpl = vtl->current_tpl;
2610 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl = vtl->current_tpl->prev, vtl->current_tp_track_name );
2611 vik_layer_emit_update(VIK_LAYER(vtl));
2612 }
2613 else if ( response == VIK_TRW_LAYER_TPWIN_JOIN )
2614 {
2615 VikTrack *tr1 = g_hash_table_lookup ( vtl->tracks, vtl->last_tp_track_name );
2616 VikTrack *tr2 = g_hash_table_lookup ( vtl->tracks, vtl->current_tp_track_name );
2617
2618 VikTrack *tr_first = tr1, *tr_last = tr2;
2619
2620 gchar *tmp;
2621
2622 if ( (!vtl->last_tpl->next) && (!vtl->current_tpl->next) ) /* both endpoints */
2623 vik_track_reverse ( tr2 ); /* reverse the second, that way second track clicked will be later. */
2624 else if ( (!vtl->last_tpl->prev) && (!vtl->current_tpl->prev) )
2625 vik_track_reverse ( tr1 );
2626 else if ( (!vtl->last_tpl->prev) && (!vtl->current_tpl->next) ) /* clicked startpoint, then endpoint -- concat end to start */
2627 {
2628 tr_first = tr2;
2629 tr_last = tr1;
2630 }
2631 /* default -- clicked endpoint then startpoint -- connect endpoint to startpoint */
2632
2633 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. */
2634 VIK_TRACKPOINT(tr_last->trackpoints->data)->newsegment = FALSE;
2635 tr1->trackpoints = g_list_concat ( tr_first->trackpoints, tr_last->trackpoints );
2636 tr2->trackpoints = NULL;
2637
2638 tmp = vtl->current_tp_track_name;
2639
2640 vtl->current_tp_track_name = vtl->last_tp_track_name; /* current_tp stays the same (believe it or not!) */
2641 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2642
2643 /* if we did this before, trw_layer_delete_track would have canceled the current tp because
2644 * it was the current track. canceling the current tp would have set vtl->current_tpl to NULL */
2645 vik_trw_layer_delete_track ( vtl, tmp );
2646
2647 trw_layer_cancel_last_tp ( vtl ); /* same TP, can't join. */
2648 vik_layer_emit_update(VIK_LAYER(vtl));
2649 }
2650 else if ( response == VIK_TRW_LAYER_TPWIN_DATA_CHANGED )
2651 vik_layer_emit_update (VIK_LAYER(vtl));
2652 }
2653
2654 static void trw_layer_tpwin_init ( VikTrwLayer *vtl )
2655 {
2656 if ( ! vtl->tpwin )
2657 {
2658 vtl->tpwin = vik_trw_layer_tpwin_new ( VIK_GTK_WINDOW_FROM_LAYER(vtl) );
2659 g_signal_connect_swapped ( GTK_DIALOG(vtl->tpwin), "response", G_CALLBACK(trw_layer_tpwin_response), vtl );
2660 /* connect signals -- DELETE SIGNAL VERY IMPORTANT TO SET TO NULL */
2661 g_signal_connect_swapped ( vtl->tpwin, "delete-event", G_CALLBACK(trw_layer_cancel_current_tp), vtl );
2662 gtk_widget_show_all ( GTK_WIDGET(vtl->tpwin) );
2663 }
2664 if ( vtl->current_tpl )
2665 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
2666 /* set layer name and TP data */
2667 }
2668
2669 /***************************************************************************
2670 ** Tool code
2671 ***************************************************************************/
2672
2673 /*** Utility data structures and functions ****/
2674
2675 typedef struct {
2676 gint x, y;
2677 gint closest_x, closest_y;
2678 gchar *closest_wp_name;
2679 VikWaypoint *closest_wp;
2680 VikViewport *vvp;
2681 } WPSearchParams;
2682
2683 typedef struct {
2684 gint x, y;
2685 gint closest_x, closest_y;
2686 gchar *closest_track_name;
2687 VikTrackpoint *closest_tp;
2688 VikViewport *vvp;
2689 GList *closest_tpl;
2690 } TPSearchParams;
2691
2692 static void waypoint_search_closest_tp ( gchar *name, VikWaypoint *wp, WPSearchParams *params )
2693 {
2694 gint x, y;
2695 if ( !wp->visible )
2696 return;
2697
2698 vik_viewport_coord_to_screen ( params->vvp, &(wp->coord), &x, &y );
2699
2700 if ( abs (x - params->x) <= WAYPOINT_SIZE_APPROX && abs (y - params->y) <= WAYPOINT_SIZE_APPROX &&
2701 ((!params->closest_wp) || /* was the old waypoint we already found closer than this one? */
2702 abs(x - params->x)+abs(y - params->y) < abs(x - params->closest_x)+abs(y - params->closest_y)))
2703 {
2704 params->closest_wp_name = name;
2705 params->closest_wp = wp;
2706 params->closest_x = x;
2707 params->closest_y = y;
2708 }
2709 }
2710
2711 static void track_search_closest_tp ( gchar *name, VikTrack *t, TPSearchParams *params )
2712 {
2713 GList *tpl = t->trackpoints;
2714 VikTrackpoint *tp;
2715
2716 if ( !t->visible )
2717 return;
2718
2719 while (tpl)
2720 {
2721 gint x, y;
2722 tp = VIK_TRACKPOINT(tpl->data);
2723
2724 vik_viewport_coord_to_screen ( params->vvp, &(tp->coord), &x, &y );
2725
2726 if ( abs (x - params->x) <= TRACKPOINT_SIZE_APPROX && abs (y - params->y) <= TRACKPOINT_SIZE_APPROX &&
2727 ((!params->closest_tp) || /* was the old trackpoint we already found closer than this one? */
2728 abs(x - params->x)+abs(y - params->y) < abs(x - params->closest_x)+abs(y - params->closest_y)))
2729 {
2730 params->closest_track_name = name;
2731 params->closest_tp = tp;
2732 params->closest_tpl = tpl;
2733 params->closest_x = x;
2734 params->closest_y = y;
2735 }
2736 tpl = tpl->next;
2737 }
2738 }
2739
2740 static VikTrackpoint *closest_tp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y )
2741 {
2742 TPSearchParams params;
2743 params.x = x;
2744 params.y = y;
2745 params.vvp = vvp;
2746 params.closest_track_name = NULL;
2747 params.closest_tp = NULL;
2748 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_search_closest_tp, &params);
2749 return params.closest_tp;
2750 }
2751
2752 static VikWaypoint *closest_wp_in_five_pixel_interval ( VikTrwLayer *vtl, VikViewport *vvp, gint x, gint y )
2753 {
2754 WPSearchParams params;
2755 params.x = x;
2756 params.y = y;
2757 params.vvp = vvp;
2758 params.closest_wp = NULL;
2759 params.closest_wp_name = NULL;
2760 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_search_closest_tp, &params);
2761 return params.closest_wp;
2762 }
2763
2764 /* background drawing hook, to be passed the viewport */
2765 static gboolean tool_sync_done = TRUE;
2766
2767 static gboolean tool_sync(gpointer data)
2768 {
2769 VikViewport *vvp = data;
2770 gdk_threads_enter();
2771 vik_viewport_sync(vvp);
2772 tool_sync_done = TRUE;
2773 gdk_threads_leave();
2774 return FALSE;
2775 }
2776
2777 typedef struct {
2778 VikViewport *vvp;
2779 gboolean holding;
2780 GdkGC *gc;
2781 int oldx, oldy;
2782 } tool_ed_t;
2783
2784 static void marker_begin_move ( tool_ed_t *t, gint x, gint y )
2785 {
2786 t->holding = TRUE;
2787 t->gc = vik_viewport_new_gc (t->vvp, "black", 2);
2788 gdk_gc_set_function ( t->gc, GDK_INVERT );
2789 vik_viewport_draw_rectangle ( t->vvp, t->gc, FALSE, x-3, y-3, 6, 6 );
2790 vik_viewport_sync(t->vvp);
2791 t->oldx = x;
2792 t->oldy = y;
2793 }
2794
2795 static void marker_moveto ( tool_ed_t *t, gint x, gint y )
2796 {
2797 VikViewport *vvp = t->vvp;
2798 vik_viewport_draw_rectangle ( vvp, t->gc, FALSE, t->oldx-3, t->oldy-3, 6, 6 );
2799 vik_viewport_draw_rectangle ( vvp, t->gc, FALSE, x-3, y-3, 6, 6 );
2800 t->oldx = x;
2801 t->oldy = y;
2802 if (tool_sync_done) {
2803 g_idle_add_full (G_PRIORITY_HIGH_IDLE + 10, tool_sync, vvp, NULL);
2804 tool_sync_done = FALSE;
2805 }
2806 }
2807
2808 static void marker_end_move ( tool_ed_t *t )
2809 {
2810 vik_viewport_draw_rectangle ( t->vvp, t->gc, FALSE, t->oldx-3, t->oldy-3, 6, 6 );
2811 g_object_unref ( t->gc );
2812 t->holding = FALSE;
2813 }
2814
2815 /*** Edit waypoint ****/
2816
2817 static gpointer tool_edit_waypoint_create ( VikWindow *vw, VikViewport *vvp)
2818 {
2819 tool_ed_t *t = g_new(tool_ed_t, 1);
2820 t->vvp = vvp;
2821 t->holding = FALSE;
2822 return t;
2823 }
2824
2825 static gboolean tool_edit_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
2826 {
2827 WPSearchParams params;
2828 tool_ed_t *t = data;
2829 VikViewport *vvp = t->vvp;
2830
2831 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2832 return FALSE;
2833
2834 if ( t->holding ) {
2835 return TRUE;
2836 }
2837
2838 if ( vtl->current_wp && vtl->current_wp->visible )
2839 {
2840 /* first check if current WP is within area (other may be 'closer', but we want to move the current) */
2841 gint x, y;
2842 vik_viewport_coord_to_screen ( vvp, &(vtl->current_wp->coord), &x, &y );
2843
2844 if ( abs(x - event->x) <= WAYPOINT_SIZE_APPROX &&
2845 abs(y - event->y) <= WAYPOINT_SIZE_APPROX )
2846 {
2847 if ( event->button == 3 )
2848 vtl->waypoint_rightclick = TRUE; /* remember that we're clicking; other layers will ignore release signal */
2849 else {
2850 marker_begin_move(t, event->x, event->y);
2851 }
2852 return TRUE;
2853 }
2854 }
2855
2856 params.vvp = vvp;
2857 params.x = event->x;
2858 params.y = event->y;
2859 params.closest_wp_name = NULL;
2860 /* TODO: should get track listitem so we can break it up, make a new track, mess it up, all that. */
2861 params.closest_wp = NULL;
2862 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_search_closest_tp, &params);
2863 if ( vtl->current_wp == params.closest_wp && vtl->current_wp != NULL )
2864 {
2865 /* how do we get here? I'm putting in the abort until we can figure it out. -alex */
2866 marker_begin_move(t, event->x, event->y);
2867 g_critical("shouldn't be here");
2868 exit(1);
2869 }
2870 else if ( params.closest_wp )
2871 {
2872 if ( event->button == 3 )
2873 vtl->waypoint_rightclick = TRUE; /* remember that we're clicking; other layers will ignore release signal */
2874 else
2875 vtl->waypoint_rightclick = FALSE;
2876
2877 vtl->current_wp = params.closest_wp;
2878 vtl->current_wp_name = params.closest_wp_name;
2879
2880 if ( params.closest_wp )
2881 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, g_hash_table_lookup ( vtl->waypoints_iters, vtl->current_wp_name ) );
2882
2883 /* could make it so don't update if old WP is off screen and new is null but oh well */
2884 vik_layer_emit_update ( VIK_LAYER(vtl) );
2885 return TRUE;
2886 }
2887
2888 vtl->current_wp = NULL;
2889 vtl->current_wp_name = NULL;
2890 vtl->waypoint_rightclick = FALSE;
2891 vik_layer_emit_update ( VIK_LAYER(vtl) );
2892 return FALSE;
2893 }
2894
2895 static gboolean tool_edit_waypoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
2896 {
2897 tool_ed_t *t = data;
2898 VikViewport *vvp = t->vvp;
2899
2900 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2901 return FALSE;
2902
2903 if ( t->holding ) {
2904 VikCoord new_coord;
2905 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
2906
2907 /* snap to TP */
2908 if ( event->state & GDK_CONTROL_MASK )
2909 {
2910 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2911 if ( tp )
2912 new_coord = tp->coord;
2913 }
2914
2915 /* snap to WP */
2916 if ( event->state & GDK_SHIFT_MASK )
2917 {
2918 VikWaypoint *wp = closest_wp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2919 if ( wp && wp != vtl->current_wp )
2920 new_coord = wp->coord;
2921 }
2922
2923 {
2924 gint x, y;
2925 vik_viewport_coord_to_screen ( vvp, &new_coord, &x, &y );
2926 marker_moveto ( t, x, y );
2927 }
2928 return TRUE;
2929 }
2930 return FALSE;
2931 }
2932
2933 static gboolean tool_edit_waypoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
2934 {
2935 tool_ed_t *t = data;
2936 VikViewport *vvp = t->vvp;
2937
2938 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2939 return FALSE;
2940
2941 if ( t->holding && event->button == 1 )
2942 {
2943 VikCoord new_coord;
2944 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
2945
2946 /* snap to TP */
2947 if ( event->state & GDK_CONTROL_MASK )
2948 {
2949 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2950 if ( tp )
2951 new_coord = tp->coord;
2952 }
2953
2954 /* snap to WP */
2955 if ( event->state & GDK_SHIFT_MASK )
2956 {
2957 VikWaypoint *wp = closest_wp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
2958 if ( wp && wp != vtl->current_wp )
2959 new_coord = wp->coord;
2960 }
2961
2962 marker_end_move ( t );
2963
2964 vtl->current_wp->coord = new_coord;
2965 vik_layer_emit_update ( VIK_LAYER(vtl) );
2966 return TRUE;
2967 }
2968 /* PUT IN RIGHT PLACE!!! */
2969 if ( event->button == 3 && vtl->waypoint_rightclick )
2970 {
2971 if ( vtl->wp_right_click_menu )
2972 gtk_object_sink ( GTK_OBJECT(vtl->wp_right_click_menu) );
2973 vtl->wp_right_click_menu = GTK_MENU ( gtk_menu_new () );
2974 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 ) );
2975 gtk_menu_popup ( vtl->wp_right_click_menu, NULL, NULL, NULL, NULL, event->button, gtk_get_current_event_time() );
2976 vtl->waypoint_rightclick = FALSE;
2977 }
2978 return FALSE;
2979 }
2980
2981 /*** New track ****/
2982
2983 static gpointer tool_new_track_create ( VikWindow *vw, VikViewport *vvp)
2984 {
2985 return vvp;
2986 }
2987
2988 static gboolean tool_new_track_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
2989 {
2990 VikTrackpoint *tp;
2991
2992 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
2993 return FALSE;
2994
2995 if ( event->button == 3 && vtl->current_track )
2996 {
2997 /* undo */
2998 if ( vtl->current_track->trackpoints )
2999 {
3000 GList *last = g_list_last(vtl->current_track->trackpoints);
3001 g_free ( last->data );
3002 vtl->current_track->trackpoints = g_list_remove_link ( vtl->current_track->trackpoints, last );
3003 }
3004 vik_layer_emit_update ( VIK_LAYER(vtl) );
3005 return TRUE;
3006 }
3007
3008 if ( event->type == GDK_2BUTTON_PRESS )
3009 {
3010 /* subtract last (duplicate from double click) tp then end */
3011 if ( vtl->current_track && vtl->current_track->trackpoints && vtl->ct_x1 == vtl->ct_x2 && vtl->ct_y1 == vtl->ct_y2 )
3012 {
3013 GList *last = g_list_last(vtl->current_track->trackpoints);
3014 g_free ( last->data );
3015 vtl->current_track->trackpoints = g_list_remove_link ( vtl->current_track->trackpoints, last );
3016 /* undo last, then end */
3017 vtl->current_track = NULL;
3018 }
3019 return TRUE;
3020 }
3021
3022 if ( ! vtl->current_track )
3023 {
3024 gchar *name;
3025 if ( ( name = a_dialog_new_track ( VIK_GTK_WINDOW_FROM_LAYER(vtl), vtl->tracks ) ) )
3026 {
3027 vtl->current_track = vik_track_new();
3028 vtl->current_track->visible = TRUE;
3029 vik_trw_layer_add_track ( vtl, name, vtl->current_track );
3030 }
3031 else
3032 return TRUE;
3033 }
3034 tp = vik_trackpoint_new();
3035 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &(tp->coord) );
3036
3037 /* snap to other TP */
3038 if ( event->state & GDK_CONTROL_MASK )
3039 {
3040 VikTrackpoint *other_tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
3041 if ( other_tp )
3042 tp->coord = other_tp->coord;
3043 }
3044
3045 tp->newsegment = FALSE;
3046 tp->has_timestamp = FALSE;
3047 tp->timestamp = 0;
3048 tp->altitude = VIK_DEFAULT_ALTITUDE;
3049 vtl->current_track->trackpoints = g_list_append ( vtl->current_track->trackpoints, tp );
3050
3051 vtl->ct_x1 = vtl->ct_x2;
3052 vtl->ct_y1 = vtl->ct_y2;
3053 vtl->ct_x2 = event->x;
3054 vtl->ct_y2 = event->y;
3055
3056 vik_layer_emit_update ( VIK_LAYER(vtl) );
3057 return TRUE;
3058 }
3059
3060
3061 /*** New waypoint ****/
3062
3063 static gpointer tool_new_waypoint_create ( VikWindow *vw, VikViewport *vvp)
3064 {
3065 return vvp;
3066 }
3067
3068 static gboolean tool_new_waypoint_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
3069 {
3070 VikCoord coord;
3071 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3072 return FALSE;
3073 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &coord );
3074 if (vik_trw_layer_new_waypoint ( vtl, VIK_GTK_WINDOW_FROM_LAYER(vtl), &coord ) && VIK_LAYER(vtl)->visible)
3075 vik_layer_emit_update ( VIK_LAYER(vtl) );
3076 return TRUE;
3077 }
3078
3079
3080 /*** Edit trackpoint ****/
3081
3082 static gpointer tool_edit_trackpoint_create ( VikWindow *vw, VikViewport *vvp)
3083 {
3084 tool_ed_t *t = g_new(tool_ed_t, 1);
3085 t->vvp = vvp;
3086 t->holding = FALSE;
3087 return t;
3088 }
3089
3090 static gboolean tool_edit_trackpoint_click ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
3091 {
3092 tool_ed_t *t = data;
3093 VikViewport *vvp = t->vvp;
3094 TPSearchParams params;
3095 /* OUTDATED DOCUMENTATION:
3096 find 5 pixel range on each side. then put these UTM, and a pointer
3097 to the winning track name (and maybe the winning track itself), and a
3098 pointer to the winning trackpoint, inside an array or struct. pass
3099 this along, do a foreach on the tracks which will do a foreach on the
3100 trackpoints. */
3101 params.vvp = vvp;
3102 params.x = event->x;
3103 params.y = event->y;
3104 params.closest_track_name = NULL;
3105 /* TODO: should get track listitem so we can break it up, make a new track, mess it up, all that. */
3106 params.closest_tp = NULL;
3107
3108 if ( event->button != 1 )
3109 return FALSE;
3110
3111 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3112 return FALSE;
3113
3114 if ( vtl->current_tpl )
3115 {
3116 /* 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.) */
3117 VikTrackpoint *tp = VIK_TRACKPOINT(vtl->current_tpl->data);
3118 VikTrack *current_tr = VIK_TRACK(g_hash_table_lookup(vtl->tracks, vtl->current_tp_track_name));
3119 gint x, y;
3120 g_assert ( current_tr );
3121
3122 vik_viewport_coord_to_screen ( vvp, &(tp->coord), &x, &y );
3123
3124 if ( current_tr->visible &&
3125 abs(x - event->x) < TRACKPOINT_SIZE_APPROX &&
3126 abs(y - event->y) < TRACKPOINT_SIZE_APPROX ) {
3127 marker_begin_move ( t, event->x, event->y );
3128 return TRUE;
3129 }
3130
3131 vtl->last_tpl = vtl->current_tpl;
3132 vtl->last_tp_track_name = vtl->current_tp_track_name;
3133 }
3134
3135 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_search_closest_tp, &params);
3136
3137 if ( params.closest_tp )
3138 {
3139 vtl->current_tpl = params.closest_tpl;
3140 vtl->current_tp_track_name = params.closest_track_name;
3141 vik_treeview_select_iter ( VIK_LAYER(vtl)->vt, g_hash_table_lookup ( vtl->tracks_iters, vtl->current_tp_track_name ) );
3142 trw_layer_tpwin_init ( vtl );
3143 vik_layer_emit_update ( VIK_LAYER(vtl) );
3144 return TRUE;
3145 }
3146
3147 /* these aren't the droids you're looking for */
3148 return FALSE;
3149 }
3150
3151 static gboolean tool_edit_trackpoint_move ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
3152 {
3153 tool_ed_t *t = data;
3154 VikViewport *vvp = t->vvp;
3155
3156 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3157 return FALSE;
3158
3159 if ( t->holding )
3160 {
3161 VikCoord new_coord;
3162 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
3163
3164 /* snap to TP */
3165 if ( event->state & GDK_CONTROL_MASK )
3166 {
3167 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
3168 if ( tp && tp != vtl->current_tpl->data )
3169 new_coord = tp->coord;
3170 }
3171 // VIK_TRACKPOINT(vtl->current_tpl->data)->coord = new_coord;
3172 {
3173 gint x, y;
3174 vik_viewport_coord_to_screen ( vvp, &new_coord, &x, &y );
3175 marker_moveto ( t, x, y );
3176 }
3177
3178 return TRUE;
3179 }
3180 return FALSE;
3181 }
3182
3183 static gboolean tool_edit_trackpoint_release ( VikTrwLayer *vtl, GdkEventButton *event, gpointer data )
3184 {
3185 tool_ed_t *t = data;
3186 VikViewport *vvp = t->vvp;
3187
3188 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3189 return FALSE;
3190 if ( event->button != 1)
3191 return FALSE;
3192
3193 if ( t->holding ) {
3194 VikCoord new_coord;
3195 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &new_coord );
3196
3197 /* snap to TP */
3198 if ( event->state & GDK_CONTROL_MASK )
3199 {
3200 VikTrackpoint *tp = closest_tp_in_five_pixel_interval ( vtl, vvp, event->x, event->y );
3201 if ( tp && tp != vtl->current_tpl->data )
3202 new_coord = tp->coord;
3203 }
3204
3205 VIK_TRACKPOINT(vtl->current_tpl->data)->coord = new_coord;
3206
3207 marker_end_move ( t );
3208
3209 /* diff dist is diff from orig */
3210 vik_trw_layer_tpwin_set_tp ( vtl->tpwin, vtl->current_tpl, vtl->current_tp_track_name );
3211 /* can't join with itself! */
3212 trw_layer_cancel_last_tp ( vtl );
3213
3214 vik_layer_emit_update ( VIK_LAYER(vtl) );
3215 return TRUE;
3216 }
3217 return FALSE;
3218 }
3219
3220
3221 /*** Magic Scissors ***/
3222 static gpointer tool_magic_scissors_create ( VikWindow *vw, VikViewport *vvp)
3223 {
3224 return vvp;
3225 }
3226
3227 static gboolean tool_magic_scissors_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
3228 {
3229 VikCoord tmp;
3230 vik_viewport_screen_to_coord ( vvp, event->x, event->y, &tmp );
3231 if ( vtl->magic_scissors_started ) {
3232 struct LatLon start, end;
3233 gchar *cmd;
3234 vik_coord_to_latlon ( &(vtl->magic_scissors_coord), &start );
3235 vik_coord_to_latlon ( &(tmp), &end );
3236 cmd = g_strdup_printf(GOOGLE_DIRECTIONS_STRING, start.lat, start.lon, end.lat, end.lon );
3237 a_babel_convert_from_shellcommand ( vtl, cmd, "google", NULL, NULL );
3238 g_free ( cmd );
3239 vik_layer_emit_update ( VIK_LAYER(vtl) );
3240 } else {
3241 vtl->magic_scissors_coord = tmp;
3242 }
3243 vtl->magic_scissors_started = !vtl->magic_scissors_started;
3244 return TRUE;
3245 }
3246
3247 /*** Show picture ****/
3248
3249 static gpointer tool_show_picture_create ( VikWindow *vw, VikViewport *vvp)
3250 {
3251 return vvp;
3252 }
3253
3254 /* Params are: vvp, event, last match found or NULL */
3255 static void tool_show_picture_wp ( char *name, VikWaypoint *wp, gpointer params[2] )
3256 {
3257 if ( wp->image && wp->visible )
3258 {
3259 gint x, y, slackx, slacky;
3260 GdkEventButton *event = (GdkEventButton *) params[1];
3261
3262 vik_viewport_coord_to_screen ( VIK_VIEWPORT(params[0]), &(wp->coord), &x, &y );
3263 slackx = wp->image_width / 2;
3264 slacky = wp->image_height / 2;
3265 if ( x <= event->x + slackx && x >= event->x - slackx
3266 && y <= event->y + slacky && y >= event->y - slacky )
3267 {
3268 params[2] = wp->image; /* we've found a match. however continue searching
3269 * since we want to find the last match -- that
3270 * is, the match that was drawn last. */
3271 }
3272 }
3273 }
3274
3275 static gboolean tool_show_picture_click ( VikTrwLayer *vtl, GdkEventButton *event, VikViewport *vvp )
3276 {
3277 gpointer params[3] = { vvp, event, NULL };
3278 if (!vtl || vtl->vl.type != VIK_LAYER_TRW)
3279 return FALSE;
3280 g_hash_table_foreach ( vtl->waypoints, (GHFunc) tool_show_picture_wp, params );
3281 if ( params[2] )
3282 {
3283 /* thanks to the Gaim people for showing me ShellExecute and g_spawn_command_line_async */
3284 #ifdef WINDOWS
3285 ShellExecute(NULL, NULL, (char *) params[2], NULL, ".\\", 0);
3286 #else /* WINDOWS */
3287 GError *err = NULL;
3288 gchar *quoted_file = g_shell_quote ( (gchar *) params[2] );
3289 gchar *cmd = g_strdup_printf ( "eog %s", quoted_file );
3290 g_free ( quoted_file );
3291 if ( ! g_spawn_command_line_async ( cmd, &err ) )
3292 {
3293 a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), "Could not launch eog to open file." );
3294 g_error_free ( err );
3295 }
3296 g_free ( cmd );
3297 #endif /* WINDOWS */
3298 return TRUE; /* found a match */
3299 }
3300 else
3301 return FALSE; /* go through other layers, searching for a match */
3302 }
3303
3304 /***************************************************************************
3305 ** End tool code
3306 ***************************************************************************/
3307
3308
3309
3310
3311
3312 static void image_wp_make_list ( char *name, VikWaypoint *wp, GSList **pics )
3313 {
3314 if ( wp->image && ( ! a_thumbnails_exists ( wp->image ) ) )
3315 *pics = g_slist_append ( *pics, (gpointer) g_strdup ( wp->image ) );
3316 }
3317
3318 static void create_thumbnails_thread ( GSList *pics, gpointer threaddata )
3319 {
3320 guint total = g_slist_length(pics), done = 0;
3321 while ( pics )
3322 {
3323 a_thumbnails_create ( (gchar *) pics->data );
3324 a_background_thread_progress ( threaddata, ((gdouble) ++done) / total );
3325 pics = pics->next;
3326 }
3327 }
3328
3329 static void free_pics_slist ( GSList *pics )
3330 {
3331 while ( pics )
3332 {
3333 g_free ( pics->data );
3334 pics = g_slist_delete_link ( pics, pics );
3335 }
3336 }
3337
3338 static void trw_layer_verify_thumbnails ( VikTrwLayer *vtl, GtkWidget *vp )
3339 {
3340 if ( ! vtl->has_verified_thumbnails )
3341 {
3342 GSList *pics = NULL;
3343 g_hash_table_foreach ( vtl->waypoints, (GHFunc) image_wp_make_list, &pics );
3344 if ( pics )
3345 {
3346 gint len = g_slist_length ( pics );
3347 gchar *tmp = g_strdup_printf ( "Creating %d Image Thumbnails...", len );
3348 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 );
3349 g_free ( tmp );
3350 }
3351 }
3352 }
3353
3354 VikCoordMode vik_trw_layer_get_coord_mode ( VikTrwLayer *vtl )
3355 {
3356 return vtl->coord_mode;
3357 }
3358
3359
3360
3361 static void waypoint_convert ( const gchar *name, VikWaypoint *wp, VikCoordMode *dest_mode )
3362 {
3363 vik_coord_convert ( &(wp->coord), *dest_mode );
3364 }
3365
3366 static void track_convert ( const gchar *name, VikTrack *tr, VikCoordMode *dest_mode )
3367 {
3368 vik_track_convert ( tr, *dest_mode );
3369 }
3370
3371 static void trw_layer_change_coord_mode ( VikTrwLayer *vtl, VikCoordMode dest_mode )
3372 {
3373 if ( vtl->coord_mode != dest_mode )
3374 {
3375 vtl->coord_mode = dest_mode;
3376 g_hash_table_foreach ( vtl->waypoints, (GHFunc) waypoint_convert, &dest_mode );
3377 g_hash_table_foreach ( vtl->tracks, (GHFunc) track_convert, &dest_mode );
3378 }
3379 }
3380
3381 VikWaypoint *vik_trw_layer_get_waypoint ( VikTrwLayer *vtl, gchar *name )
3382 {
3383 return g_hash_table_lookup ( vtl->waypoints, name );
3384 }
3385
3386 VikTrack *vik_trw_layer_get_track ( VikTrwLayer *vtl, gchar *name )
3387 {
3388 return g_hash_table_lookup ( vtl->tracks, name );
3389 }
3390
3391 static void vik_trw_layer_set_menu_selection(VikTrwLayer *vtl, guint16 selection)
3392 {
3393 vtl->menu_selection = selection;
3394 }
3395
3396 static guint16 vik_trw_layer_get_menu_selection(VikTrwLayer *vtl)
3397 {
3398 return(vtl->menu_selection);
3399 }
3400
3401 /* ----------- Downloading maps along tracks --------------- */
3402
3403 static int get_download_area_width(VikViewport *vvp, gdouble zoom_level, struct LatLon *wh)
3404 {
3405 /* TODO: calculating based on current size of viewport */
3406 const gdouble w_at_zoom_0_125 = 0.0013;
3407 const gdouble h_at_zoom_0_125 = 0.0011;
3408 gdouble zoom_factor = zoom_level/0.125;
3409
3410 wh->lat = h_at_zoom_0_125 * zoom_factor;
3411 wh->lon = w_at_zoom_0_125 * zoom_factor;
3412
3413 return 0; /* all OK */
3414 }
3415
3416 static VikCoord *get_next_coord(VikCoord *from, VikCoord *to, struct LatLon *dist, gdouble gradient)
3417 {
3418 if ((dist->lon >= ABS(to->east_west - from->east_west)) &&
3419 (dist->lat >= ABS(to->north_south - from->north_south)))
3420 return NULL;
3421
3422 VikCoord *coord = g_malloc(sizeof(VikCoord));
3423 coord->mode = VIK_COORD_LATLON;
3424
3425 if (ABS(gradient) < 1) {
3426 if (from->east_west > to->east_west)
3427 coord->east_west = from->east_west - dist->lon;
3428 else
3429 coord->east_west = from->east_west + dist->lon;
3430 coord->north_south = gradient * (coord->east_west - from->east_west) + from->north_south;
3431 } else {
3432 if (from->north_south > to->north_south)
3433 coord->north_south = from->north_south - dist->lat;
3434 else
3435 coord->north_south = from->north_south + dist->lat;
3436 coord->east_west = (1/gradient) * (coord->north_south - from->north_south) + from->north_south;
3437 }
3438
3439 return coord;
3440 }
3441
3442 static GList *add_fillins(GList *list, VikCoord *from, VikCoord *to, struct LatLon *dist)
3443 {
3444 /* TODO: handle virtical track (to->east_west - from->east_west == 0) */
3445 gdouble gradient = (to->north_south - from->north_south)/(to->east_west - from->east_west);
3446
3447 VikCoord *next = from;
3448 while (TRUE) {
3449 if ((next = get_next_coord(next, to, dist, gradient)) == NULL)
3450 break;
3451 list = g_list_prepend(list, next);
3452 }
3453
3454 return list;
3455 }
3456
3457 void vik_track_download_map(VikTrack *tr, VikMapsLayer *vml, VikViewport *vvp, gdouble zoom_level)
3458 {
3459 typedef struct _Rect {
3460 VikCoord tl;
3461 VikCoord br;
3462 VikCoord center;
3463 } Rect;
3464 #define GLRECT(iter) ((Rect *)((iter)->data))
3465
3466 struct LatLon wh;
3467 GList *rects_to_download = NULL;
3468 GList *rect_iter;
3469
3470 if (get_download_area_width(vvp, zoom_level, &wh))
3471 return;
3472
3473 GList *iter = tr->trackpoints;
3474 if (!iter)
3475 return;
3476
3477 gboolean new_map = TRUE;
3478 VikCoord *cur_coord, tl, br;
3479 Rect *rect;
3480 while (iter) {
3481 cur_coord = &(VIK_TRACKPOINT(iter->data))->coord;
3482 if (new_map) {
3483 vik_coord_set_area(cur_coord, &wh, &tl, &br);
3484 rect = g_malloc(sizeof(Rect));
3485 rect->tl = tl;
3486 rect->br = br;
3487 rect->center = *cur_coord;
3488 rects_to_download = g_list_prepend(rects_to_download, rect);
3489 new_map = FALSE;
3490 iter = iter->next;
3491 continue;
3492 }
3493 gboolean found = FALSE;
3494 for (rect_iter = rects_to_download; rect_iter; rect_iter = rect_iter->next) {
3495 if (vik_coord_inside(cur_coord, &GLRECT(rect_iter)->tl, &GLRECT(rect_iter)->br)) {
3496 found = TRUE;
3497 break;
3498 }
3499 }
3500 if (found)
3501 iter = iter->next;
3502 else
3503 new_map = TRUE;
3504 }
3505
3506 /* fill-ins for far apart points */
3507 GList *cur_rect, *next_rect;
3508 GList *fillins = NULL;
3509 for (cur_rect = rects_to_download;
3510 (next_rect = cur_rect->next) != NULL;
3511 cur_rect = cur_rect->next) {
3512 if ((wh.lon < ABS(GLRECT(cur_rect)->center.east_west - GLRECT(next_rect)->center.east_west)) ||
3513 (wh.lat < ABS(GLRECT(cur_rect)->center.north_south - GLRECT(next_rect)->center.north_south))) {
3514 fillins = add_fillins(fillins, &GLRECT(cur_rect)->center, &GLRECT(next_rect)->center, &wh);
3515 }
3516 }
3517
3518 if (fillins) {
3519 GList *iter = fillins;
3520 while (iter) {
3521 cur_coord = (VikCoord *)(iter->data);
3522 vik_coord_set_area(cur_coord, &wh, &tl, &br);
3523 rect = g_malloc(sizeof(Rect));
3524 rect->tl = tl;
3525 rect->br = br;
3526 rect->center = *cur_coord;
3527 rects_to_download = g_list_prepend(rects_to_download, rect);
3528 iter = iter->next;
3529 }
3530 }
3531
3532 for (rect_iter = rects_to_download; rect_iter; rect_iter = rect_iter->next) {
3533 maps_layer_download_section_without_redraw(vml, vvp, &(((Rect *)(rect_iter->data))->tl), &(((Rect *)(rect_iter->data))->br), zoom_level);
3534 }
3535
3536 if (fillins) {
3537 for (iter = fillins; iter; iter = iter->next)
3538 g_free(iter->data);
3539 g_list_free(fillins);
3540 }
3541 if (rects_to_download) {
3542 for (rect_iter = rects_to_download; rect_iter; rect_iter = rect_iter->next)
3543 g_free(rect_iter->data);
3544 g_list_free(rects_to_download);
3545 }
3546 }
3547
3548 static void trw_layer_download_map_along_track_cb(gpointer pass_along[6])
3549 {
3550 VikMapsLayer *vml;
3551 gint selected_map, default_map;
3552 gchar *zoomlist[] = {"0.125", "0.25", "0.5", "1", "2", "4", "8", "16", "32", "64", "128", "256", "512", "1024", NULL };
3553 gdouble zoom_vals[] = {0.125, 0.25, 0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024};
3554 gint selected_zoom, default_zoom;
3555 int i,j;
3556
3557
3558 VikTrwLayer *vtl = pass_along[0];
3559 VikLayersPanel *vlp = pass_along[1];
3560 VikTrack *tr = (VikTrack *) g_hash_table_lookup ( VIK_TRW_LAYER(pass_along[0])->tracks, pass_along[3] );
3561 VikViewport *vvp = vik_window_viewport((VikWindow *)(VIK_GTK_WINDOW_FROM_LAYER(vtl)));
3562
3563 GList *vmls = vik_layers_panel_get_all_layers_of_type(vlp, VIK_LAYER_MAPS);
3564 int num_maps = g_list_length(vmls);
3565
3566 if (!num_maps) {
3567 a_dialog_msg(VIK_GTK_WINDOW_FROM_LAYER(vtl), GTK_MESSAGE_ERROR,"No map layer in use. Create one first", NULL);
3568 return;
3569 }
3570
3571 gchar **map_names = g_malloc(1 + num_maps * sizeof(gpointer));
3572 VikMapsLayer **map_layers = g_malloc(1 + num_maps * sizeof(gpointer));
3573
3574 gchar **np = map_names;
3575 VikMapsLayer **lp = map_layers;
3576 for (i = 0; i < num_maps; i++) {
3577 gboolean dup = FALSE;
3578 vml = (VikMapsLayer *)(vmls->data);
3579 for (j = 0; j < i; j++) { /* no duplicate allowed */
3580 if (vik_maps_layer_get_map_type(vml) == vik_maps_layer_get_map_type(map_layers[j])) {
3581 dup = TRUE;
3582 break;
3583 }
3584 }
3585 if (!dup) {
3586 *lp++ = vml;
3587 *np++ = vik_maps_layer_get_map_label(vml);
3588 }
3589 vmls = vmls->next;
3590 }
3591 *lp = NULL;
3592 *np = NULL;
3593 num_maps = lp - map_layers;
3594
3595 for (default_map = 0; default_map < num_maps; default_map++) {
3596 /* TODO: check for parent layer's visibility */
3597 if (VIK_LAYER(map_layers[default_map])->visible)
3598 break;
3599 }
3600 default_map = (default_map == num_maps) ? 0 : default_map;
3601
3602 gdouble cur_zoom = vik_viewport_get_zoom(vvp);
3603 for (default_zoom = 0; default_zoom < sizeof(zoom_vals)/sizeof(gdouble); default_zoom++) {
3604 if (cur_zoom == zoom_vals[default_zoom])
3605 break;
3606 }
3607 default_zoom = (default_zoom == sizeof(zoom_vals)/sizeof(gdouble)) ? sizeof(zoom_vals)/sizeof(gdouble) - 1 : default_zoom;
3608
3609 if (!a_dialog_map_n_zoom(VIK_GTK_WINDOW_FROM_LAYER(vtl), map_names, default_map, zoomlist, default_zoom, &selected_map, &selected_zoom))
3610 goto done;
3611
3612 vik_track_download_map(tr, map_layers[selected_map], vvp, zoom_vals[selected_zoom]);
3613
3614 done:
3615 for (i = 0; i < num_maps; i++)
3616 g_free(map_names[i]);
3617 g_free(map_names);
3618 g_free(map_layers);
3619
3620 g_list_free(vmls);
3621
3622 }
Viking with vector Gosmore Layer