Parent Directory | Revision Log
Seperate OSD implementation
1 | harbaum | 70 | /* |
2 | * Copyright (C) Till Harbaum 2009 <till@harbaum.org> | ||
3 | * | ||
4 | * osm-gps-map is free software: you can redistribute it and/or modify it | ||
5 | * under the terms of the GNU General Public License as published by the | ||
6 | * Free Software Foundation, either version 3 of the License, or | ||
7 | * (at your option) any later version. | ||
8 | * | ||
9 | * osm-gps-map is distributed in the hope that it will be useful, but | ||
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | ||
12 | * See the GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License along | ||
15 | * with this program. If not, see <http://www.gnu.org/licenses/>. | ||
16 | */ | ||
17 | |||
18 | #include "config.h" | ||
19 | |||
20 | #ifdef USE_CAIRO | ||
21 | #include <cairo.h> | ||
22 | #endif | ||
23 | |||
24 | //the osd controls | ||
25 | typedef struct { | ||
26 | GdkPixmap *backup; | ||
27 | cairo_surface_t *overlay; | ||
28 | gint backup_x, backup_y; | ||
29 | OsmGpsMapOsdGpsCallback cb; | ||
30 | gpointer data; | ||
31 | } osd_priv_t; | ||
32 | |||
33 | typedef struct { | ||
34 | |||
35 | |||
36 | |||
37 | |||
38 | gpointer priv; | ||
39 | } osm_gps_map_osd_t; | ||
40 | |||
41 | /* position and extent of bounding box */ | ||
42 | #define OSD_X (10) | ||
43 | #define OSD_Y (10) | ||
44 | |||
45 | #define OSD_COLOR 0.5, 0.5, 1 | ||
46 | #define OSD_COLOR_DISABLED 0.8, 0.8, 0.8 | ||
47 | |||
48 | /* parameters of the direction shape */ | ||
49 | #ifndef OSM_GPS_MAP_OSD_DIAMETER | ||
50 | #define D_RAD (30) // diameter of dpad | ||
51 | #else | ||
52 | #define D_RAD (OSM_GPS_MAP_OSD_DIAMETER) | ||
53 | #endif | ||
54 | #define D_TIP (4*D_RAD/5) // distance of arrow tip from dpad center | ||
55 | #define D_LEN (D_RAD/4) // length of arrow | ||
56 | #define D_WID (D_LEN) // width of arrow | ||
57 | |||
58 | /* parameters of the "zoom" pad */ | ||
59 | #define Z_STEP (D_RAD/4) // distance between dpad and zoom | ||
60 | #define Z_RAD (D_RAD/2) // radius of "caps" of zoom bar | ||
61 | |||
62 | /* shadow also depends on control size */ | ||
63 | #define OSD_SHADOW (D_RAD/6) | ||
64 | |||
65 | /* total width and height of controls incl. shadow */ | ||
66 | #define OSD_W (2*D_RAD + OSD_SHADOW) | ||
67 | #define OSD_H (2*D_RAD + Z_STEP + 2*Z_RAD + OSD_SHADOW) | ||
68 | |||
69 | #define OSD_LBL_SHADOW (OSD_SHADOW/2) | ||
70 | |||
71 | #define Z_TOP (2 * D_RAD + Z_STEP) | ||
72 | #define Z_MID (Z_TOP + Z_RAD) | ||
73 | #define Z_BOT (Z_MID + Z_RAD) | ||
74 | #define Z_LEFT (Z_RAD) | ||
75 | #define Z_RIGHT (2 * D_RAD - Z_RAD) | ||
76 | |||
77 | /* create the cairo shape used for the zoom buttons */ | ||
78 | static void | ||
79 | osm_gps_map_osd_zoom_shape(cairo_t *cr, gint x, gint y) { | ||
80 | cairo_move_to (cr, x+Z_LEFT, y+Z_TOP); | ||
81 | cairo_line_to (cr, x+Z_RIGHT, y+Z_TOP); | ||
82 | cairo_arc (cr, x+Z_RIGHT, y+Z_MID, Z_RAD, -M_PI/2, M_PI/2); | ||
83 | cairo_line_to (cr, x+Z_LEFT, y+Z_BOT); | ||
84 | cairo_arc (cr, x+Z_LEFT, y+Z_MID, Z_RAD, M_PI/2, -M_PI/2); | ||
85 | } | ||
86 | |||
87 | /* create the cairo shape used for the dpad */ | ||
88 | static void | ||
89 | osm_gps_map_osd_dpad_shape(cairo_t *cr, gint x, gint y) { | ||
90 | cairo_arc (cr, x+D_RAD, y+D_RAD, D_RAD, 0, 2 * M_PI); | ||
91 | } | ||
92 | |||
93 | typedef enum { | ||
94 | OSD_NONE = 0, | ||
95 | OSD_BG, | ||
96 | OSD_UP, | ||
97 | OSD_DOWN, | ||
98 | OSD_LEFT, | ||
99 | OSD_RIGHT, | ||
100 | OSD_IN, | ||
101 | OSD_OUT, | ||
102 | OSD_GPS | ||
103 | } osd_button_t; | ||
104 | |||
105 | static gboolean | ||
106 | osm_gps_map_in_circle(gint x, gint y, gint cx, gint cy, gint rad) | ||
107 | { | ||
108 | return( pow(cx - x, 2) + pow(cy - y, 2) < rad * rad); | ||
109 | } | ||
110 | |||
111 | /* check whether x/y is within the dpad */ | ||
112 | static osd_button_t | ||
113 | osm_gps_map_osd_check_dpad(gint x, gint y) | ||
114 | { | ||
115 | /* within entire dpad circle */ | ||
116 | if( osm_gps_map_in_circle(x, y, OSD_X + D_RAD, OSD_Y + D_RAD, D_RAD)) | ||
117 | { | ||
118 | /* convert into position relative to dpads centre */ | ||
119 | x -= (OSD_X + D_RAD); | ||
120 | y -= (OSD_Y + D_RAD); | ||
121 | |||
122 | /* check for dpad center goes here! */ | ||
123 | if( osm_gps_map_in_circle(x, y, 0, 0, D_RAD/3)) | ||
124 | return OSD_GPS; | ||
125 | |||
126 | if( y < 0 && abs(x) < abs(y)) | ||
127 | return OSD_UP; | ||
128 | |||
129 | if( y > 0 && abs(x) < abs(y)) | ||
130 | return OSD_DOWN; | ||
131 | |||
132 | if( x < 0 && abs(y) < abs(x)) | ||
133 | return OSD_LEFT; | ||
134 | |||
135 | if( x > 0 && abs(y) < abs(x)) | ||
136 | return OSD_RIGHT; | ||
137 | |||
138 | return OSD_BG; | ||
139 | } | ||
140 | return OSD_NONE; | ||
141 | } | ||
142 | |||
143 | /* check whether x/y is within the zoom pads */ | ||
144 | static osd_button_t | ||
145 | osm_gps_map_osd_check_zoom(gint x, gint y) { | ||
146 | if( x > OSD_X && x < (OSD_X + OSD_W) && y > Z_TOP && y < (OSD_Y+Z_BOT)) { | ||
147 | |||
148 | /* within circle around (-) label */ | ||
149 | if( osm_gps_map_in_circle(x, y, OSD_X + Z_LEFT, OSD_Y + Z_MID, Z_RAD)) | ||
150 | return OSD_OUT; | ||
151 | |||
152 | /* between center of (-) button and center of entire zoom control area */ | ||
153 | if(x > OSD_LEFT && x < OSD_X + D_RAD) | ||
154 | return OSD_OUT; | ||
155 | |||
156 | /* within circle around (+) label */ | ||
157 | if( osm_gps_map_in_circle(x, y, OSD_X + Z_RIGHT, OSD_Y + Z_MID, Z_RAD)) | ||
158 | return OSD_IN; | ||
159 | |||
160 | /* between center of (+) button and center of entire zoom control area */ | ||
161 | if(x < OSD_RIGHT && x > OSD_X + D_RAD) | ||
162 | return OSD_IN; | ||
163 | } | ||
164 | |||
165 | return OSD_NONE; | ||
166 | } | ||
167 | |||
168 | static osd_button_t | ||
169 | osm_gps_map_osd_check(gint x, gint y) { | ||
170 | osd_button_t but = OSD_NONE; | ||
171 | |||
172 | /* first do a rough test for the OSD area. */ | ||
173 | /* this is just to avoid an unnecessary detailed test */ | ||
174 | if(x > OSD_X && x < OSD_X + OSD_W && | ||
175 | y > OSD_Y && y < OSD_Y + OSD_H) { | ||
176 | but = osm_gps_map_osd_check_dpad(x, y); | ||
177 | |||
178 | if(but == OSD_NONE) | ||
179 | but = osm_gps_map_osd_check_zoom(x, y); | ||
180 | } | ||
181 | |||
182 | return but; | ||
183 | } | ||
184 | |||
185 | static void | ||
186 | osm_gps_map_osd_shape_shadow(cairo_t *cr) { | ||
187 | cairo_set_source_rgba (cr, 0, 0, 0, 0.2); | ||
188 | cairo_fill (cr); | ||
189 | cairo_stroke (cr); | ||
190 | } | ||
191 | |||
192 | static void | ||
193 | osm_gps_map_osd_shape(cairo_t *cr) { | ||
194 | cairo_set_source_rgb (cr, 1, 1, 1); | ||
195 | cairo_fill_preserve (cr); | ||
196 | cairo_set_source_rgb (cr, OSD_COLOR); | ||
197 | cairo_set_line_width (cr, 1); | ||
198 | cairo_stroke (cr); | ||
199 | } | ||
200 | |||
201 | static void | ||
202 | osm_gps_map_osd_dpad_labels(cairo_t *cr, gint x, gint y) { | ||
203 | /* move reference to dpad center */ | ||
204 | x += D_RAD; | ||
205 | y += D_RAD; | ||
206 | |||
207 | const static gint offset[][3][2] = { | ||
208 | /* left arrow/triangle */ | ||
209 | { { -D_TIP+D_LEN, -D_WID }, { -D_LEN, D_WID }, { +D_LEN, D_WID } }, | ||
210 | /* right arrow/triangle */ | ||
211 | { { +D_TIP-D_LEN, -D_WID }, { +D_LEN, D_WID }, { -D_LEN, D_WID } }, | ||
212 | /* top arrow/triangle */ | ||
213 | { { -D_WID, -D_TIP+D_LEN }, { D_WID, -D_LEN }, { D_WID, +D_LEN } }, | ||
214 | /* bottom arrow/triangle */ | ||
215 | { { -D_WID, +D_TIP-D_LEN }, { D_WID, +D_LEN }, { D_WID, -D_LEN } } | ||
216 | }; | ||
217 | |||
218 | int i; | ||
219 | for(i=0;i<4;i++) { | ||
220 | cairo_move_to (cr, x + offset[i][0][0], y + offset[i][0][1]); | ||
221 | cairo_rel_line_to (cr, offset[i][1][0], offset[i][1][1]); | ||
222 | cairo_rel_line_to (cr, offset[i][2][0], offset[i][2][1]); | ||
223 | } | ||
224 | } | ||
225 | |||
226 | /* draw the sattelite dish icon in the center of the dpad */ | ||
227 | #define GPS_V0 (D_RAD/8) | ||
228 | #define GPS_V1 (D_RAD/10) | ||
229 | #define GPS_V2 (D_RAD/5) | ||
230 | |||
231 | /* draw a satellite receiver dish */ | ||
232 | static void | ||
233 | osm_gps_map_osd_dpad_gps(cairo_t *cr, gint x, gint y) { | ||
234 | /* move reference to dpad center */ | ||
235 | x += D_RAD; | ||
236 | y += D_RAD + GPS_V0; | ||
237 | |||
238 | cairo_move_to (cr, x-GPS_V0, y+GPS_V0); | ||
239 | cairo_rel_line_to (cr, +GPS_V0, -GPS_V0); | ||
240 | cairo_rel_line_to (cr, +GPS_V0, +GPS_V0); | ||
241 | cairo_close_path (cr); | ||
242 | |||
243 | cairo_move_to (cr, x+GPS_V1-GPS_V2, y-2*GPS_V2); | ||
244 | cairo_curve_to (cr, x-GPS_V2, y, x+GPS_V1, y+GPS_V1, x+GPS_V1+GPS_V2, y); | ||
245 | cairo_close_path (cr); | ||
246 | |||
247 | x += GPS_V1; | ||
248 | cairo_move_to (cr, x, y-GPS_V2); | ||
249 | cairo_rel_line_to (cr, +GPS_V1, -GPS_V1); | ||
250 | } | ||
251 | |||
252 | #define Z_LEN (2*Z_RAD/3) | ||
253 | |||
254 | static void | ||
255 | osm_gps_map_osd_zoom_labels(cairo_t *cr, gint x, gint y) { | ||
256 | cairo_move_to (cr, x + Z_LEFT - Z_LEN, y + Z_MID); | ||
257 | cairo_line_to (cr, x + Z_LEFT + Z_LEN, y + Z_MID); | ||
258 | |||
259 | cairo_move_to (cr, x + Z_RIGHT, y + Z_MID - Z_LEN); | ||
260 | cairo_line_to (cr, x + Z_RIGHT, y + Z_MID + Z_LEN); | ||
261 | cairo_move_to (cr, x + Z_RIGHT - Z_LEN, y + Z_MID); | ||
262 | cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); | ||
263 | } | ||
264 | |||
265 | static void | ||
266 | osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled) { | ||
267 | if(enabled) cairo_set_source_rgb (cr, OSD_COLOR); | ||
268 | else cairo_set_source_rgb (cr, OSD_COLOR_DISABLED); | ||
269 | cairo_set_line_width (cr, width); | ||
270 | cairo_stroke (cr); | ||
271 | } | ||
272 | |||
273 | static void | ||
274 | osm_gps_map_osd_labels_shadow(cairo_t *cr, gint width, gboolean enabled) { | ||
275 | cairo_set_source_rgba (cr, 0, 0, 0, enabled?0.3:0.15); | ||
276 | cairo_set_line_width (cr, width); | ||
277 | cairo_stroke (cr); | ||
278 | } | ||
279 | |||
280 | static void | ||
281 | osm_gps_map_osd_render(OsmGpsMapPrivate *priv) { | ||
282 | |||
283 | /* first fill with transparency */ | ||
284 | cairo_t *cr = cairo_create(priv->osd.overlay); | ||
285 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); | ||
286 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); | ||
287 | cairo_paint(cr); | ||
288 | |||
289 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
290 | |||
291 | /* --------- draw zoom and dpad shape shadow ----------- */ | ||
292 | gint x = 0, y = 0; | ||
293 | |||
294 | osm_gps_map_osd_zoom_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW); | ||
295 | osm_gps_map_osd_shape_shadow(cr); | ||
296 | osm_gps_map_osd_dpad_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW); | ||
297 | osm_gps_map_osd_shape_shadow(cr); | ||
298 | |||
299 | /* --------- draw zoom and dpad shape ----------- */ | ||
300 | |||
301 | osm_gps_map_osd_zoom_shape(cr, x, y); | ||
302 | osm_gps_map_osd_shape(cr); | ||
303 | osm_gps_map_osd_dpad_shape(cr, x, y); | ||
304 | osm_gps_map_osd_shape(cr); | ||
305 | |||
306 | /* --------- draw zoom and dpad labels --------- */ | ||
307 | |||
308 | osm_gps_map_osd_zoom_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); | ||
309 | osm_gps_map_osd_dpad_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); | ||
310 | osm_gps_map_osd_labels_shadow(cr, Z_RAD/3, TRUE); | ||
311 | osm_gps_map_osd_dpad_gps(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); | ||
312 | osm_gps_map_osd_labels_shadow(cr, Z_RAD/6, priv->osd.cb != NULL); | ||
313 | |||
314 | osm_gps_map_osd_zoom_labels(cr, x, y); | ||
315 | osm_gps_map_osd_dpad_labels(cr, x, y); | ||
316 | osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE); | ||
317 | osm_gps_map_osd_dpad_gps(cr, x, y); | ||
318 | osm_gps_map_osd_labels(cr, Z_RAD/6, priv->osd.cb != NULL); | ||
319 | |||
320 | cairo_destroy(cr); | ||
321 | } | ||
322 | |||
323 | static void | ||
324 | osm_gps_map_osd_draw_controls (OsmGpsMap *map, gint xoffset, gint yoffset) | ||
325 | { | ||
326 | OsmGpsMapPrivate *priv = map->priv; | ||
327 | |||
328 | /* backup previous contents */ | ||
329 | if(!priv->osd.backup) | ||
330 | priv->osd.backup = gdk_pixmap_new(priv->pixmap, OSD_W+2, OSD_H+2, -1); | ||
331 | |||
332 | gint x = OSD_X + EXTRA_BORDER + xoffset; | ||
333 | gint y = OSD_Y + EXTRA_BORDER + yoffset; | ||
334 | |||
335 | /* create backup of background */ | ||
336 | gdk_draw_drawable(priv->osd.backup, | ||
337 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(GTK_WIDGET(map))], | ||
338 | priv->pixmap, x-1, y-1, 0, 0, OSD_W+2, OSD_H+2); | ||
339 | |||
340 | priv->osd.backup_x = x-1; | ||
341 | priv->osd.backup_y = y-1; | ||
342 | |||
343 | |||
344 | #ifdef USE_CAIRO | ||
345 | /* OSD itself uses some off-screen rendering, so check if the */ | ||
346 | /* offscreen buffer is present and create it if not */ | ||
347 | if(!priv->osd.overlay) { | ||
348 | /* create overlay ... */ | ||
349 | priv->osd.overlay = | ||
350 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W, OSD_H); | ||
351 | /* ... and render it */ | ||
352 | osm_gps_map_osd_render(priv); | ||
353 | } | ||
354 | |||
355 | // now draw this onto the original context | ||
356 | cairo_t *cr = gdk_cairo_create(priv->pixmap); | ||
357 | cairo_set_source_surface(cr, priv->osd.overlay, x, y); | ||
358 | cairo_paint(cr); | ||
359 | cairo_destroy(cr); | ||
360 | |||
361 | #else | ||
362 | #warning "OSD control display lacks a non-cairo implementation!" | ||
363 | #endif | ||
364 | } | ||
365 | |||
366 | static void | ||
367 | osm_gps_map_osd_restore (OsmGpsMap *map) | ||
368 | { | ||
369 | OsmGpsMapPrivate *priv = map->priv; | ||
370 | |||
371 | /* restore backup of previous contents */ | ||
372 | if(priv->osd.backup) { | ||
373 | /* create backup of background */ | ||
374 | gdk_draw_drawable(priv->pixmap, | ||
375 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(GTK_WIDGET(map))], | ||
376 | priv->osd.backup, 0, 0, | ||
377 | priv->osd.backup_x, priv->osd.backup_y, OSD_W+2, OSD_H+2); | ||
378 | } | ||
379 | } | ||
380 | |||
381 | #endif | ||
382 | |||
383 | static gboolean | ||
384 | osm_gps_map_map_redraw (OsmGpsMap *map) | ||
385 | { | ||
386 | OsmGpsMapPrivate *priv = map->priv; | ||
387 | |||
388 | priv->idle_map_redraw = 0; | ||
389 | |||
390 | /* the motion_notify handler uses priv->pixmap to redraw the area; if we | ||
391 | * change it while we are dragging, we will end up showing it in the wrong | ||
392 | * place. This could be fixed by carefully recompute the coordinates, but | ||
393 | * for now it's easier just to disable redrawing the map while dragging */ | ||
394 | if (priv->dragging) | ||
395 | return FALSE; | ||
396 | |||
397 | priv->redraw_cycle++; | ||
398 | |||
399 | /* draw white background to initialise pixmap */ | ||
400 | gdk_draw_rectangle ( | ||
401 | priv->pixmap, | ||
402 | GTK_WIDGET(map)->style->white_gc, | ||
403 | TRUE, | ||
404 | 0, 0, | ||
405 | GTK_WIDGET(map)->allocation.width + EXTRA_BORDER * 2, | ||
406 | GTK_WIDGET(map)->allocation.height + EXTRA_BORDER * 2); | ||
407 | |||
408 | osm_gps_map_fill_tiles_pixel(map); | ||
409 | |||
410 | osm_gps_map_print_tracks(map); | ||
411 | osm_gps_map_draw_gps_point(map); | ||
412 | osm_gps_map_print_images(map); | ||
413 | #ifdef ENABLE_BALLOON | ||
414 | osm_gps_map_draw_balloon_int(map); | ||
415 | #endif | ||
416 | #ifdef ENABLE_OSD | ||
417 | osm_gps_map_osd_draw_controls(map, 0, 0); | ||
418 | #endif | ||
419 | |||
420 | //osm_gps_map_osd_speed(map, 1.5); | ||
421 | osm_gps_map_purge_cache(map); | ||
422 | gtk_widget_queue_draw (GTK_WIDGET (map)); | ||
423 | |||
424 | return FALSE; | ||
425 | } | ||
426 | |||
427 | static void | ||
428 | osm_gps_map_map_redraw_idle (OsmGpsMap *map) | ||
429 | { | ||
430 | OsmGpsMapPrivate *priv = map->priv; | ||
431 | |||
432 | if (priv->idle_map_redraw == 0) | ||
433 | priv->idle_map_redraw = g_idle_add ((GSourceFunc)osm_gps_map_map_redraw, map); | ||
434 | } | ||
435 | |||
436 | static void | ||
437 | osm_gps_map_init (OsmGpsMap *object) | ||
438 | { | ||
439 | OsmGpsMapPrivate *priv; | ||
440 | |||
441 | priv = G_TYPE_INSTANCE_GET_PRIVATE (object, OSM_TYPE_GPS_MAP, OsmGpsMapPrivate); | ||
442 | object->priv = priv; | ||
443 | |||
444 | priv->pixmap = NULL; | ||
445 | |||
446 | priv->trip_history = NULL; | ||
447 | priv->gps = g_new0(coord_t, 1); | ||
448 | priv->gps_valid = FALSE; | ||
449 | |||
450 | #ifdef ENABLE_BALLOON | ||
451 | priv->balloon.coo = g_new0(coord_t, 1); | ||
452 | priv->balloon.valid = FALSE; | ||
453 | priv->balloon.cb = NULL; | ||
454 | #endif | ||
455 | |||
456 | #ifdef ENABLE_OSD | ||
457 | priv->osd.backup = NULL; | ||
458 | priv->osd.overlay = NULL; | ||
459 | priv->osd.cb = NULL; | ||
460 | #endif | ||
461 | |||
462 | priv->tracks = NULL; | ||
463 | priv->images = NULL; | ||
464 | |||
465 | priv->drag_counter = 0; | ||
466 | priv->drag_mouse_dx = 0; | ||
467 | priv->drag_mouse_dy = 0; | ||
468 | priv->drag_start_mouse_x = 0; | ||
469 | priv->drag_start_mouse_y = 0; | ||
470 | |||
471 | priv->uri_format = 0; | ||
472 | priv->the_google = FALSE; | ||
473 | |||
474 | priv->map_source = -1; | ||
475 | |||
476 | #ifndef LIBSOUP22 | ||
477 | //Change naumber of concurrent connections option? | ||
478 | priv->soup_session = soup_session_async_new_with_options( | ||
479 | SOUP_SESSION_USER_AGENT, | ||
480 | "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11", | ||
481 | NULL); | ||
482 | #else | ||
483 | /* libsoup-2.2 seems not to be able to set the user agent */ | ||
484 | priv->soup_session = soup_session_async_new(); | ||
485 | #endif | ||
486 | |||
487 | //Hash table which maps tile d/l URIs to SoupMessage requests | ||
488 | priv->tile_queue = g_hash_table_new (g_str_hash, g_str_equal); | ||
489 | |||
490 | //Some mapping providers (Google) have varying degrees of tiles at multiple | ||
491 | //zoom levels | ||
492 | priv->missing_tiles = g_hash_table_new (g_str_hash, g_str_equal); | ||
493 | |||
494 | /* memory cache for most recently used tiles */ | ||
495 | priv->tile_cache = g_hash_table_new_full (g_str_hash, g_str_equal, | ||
496 | g_free, (GDestroyNotify)cached_tile_free); | ||
497 | priv->max_tile_cache_size = 20; | ||
498 | |||
499 | gtk_widget_add_events (GTK_WIDGET (object), | ||
500 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | | ||
501 | GDK_POINTER_MOTION_MASK | | ||
502 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); | ||
503 | GTK_WIDGET_SET_FLAGS (object, GTK_CAN_FOCUS); | ||
504 | |||
505 | g_log_set_handler (G_LOG_DOMAIN, G_LOG_LEVEL_MASK, my_log_handler, NULL); | ||
506 | } | ||
507 | |||
508 | #ifndef G_CHECKSUM_MD5 | ||
509 | /* simple hash algorithm hack if md5 is not present */ | ||
510 | static char *simple_hash(char *str) { | ||
511 | union { | ||
512 | char str[4]; | ||
513 | gulong val; | ||
514 | } hash = { .val = 0x55555555 }; | ||
515 | |||
516 | while(*str) { | ||
517 | hash.str[(int)str & 3] ^= *str; | ||
518 | str++; | ||
519 | } | ||
520 | return g_strdup_printf("%08lX", hash.val); | ||
521 | } | ||
522 | #endif | ||
523 | |||
524 | static GObject * | ||
525 | osm_gps_map_constructor (GType gtype, guint n_properties, GObjectConstructParam *properties) | ||
526 | { | ||
527 | GObject *object; | ||
528 | OsmGpsMapPrivate *priv; | ||
529 | OsmGpsMap *map; | ||
530 | const char *uri; | ||
531 | |||
532 | //Always chain up to the parent constructor | ||
533 | object = G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties); | ||
534 | map = OSM_GPS_MAP(object); | ||
535 | priv = OSM_GPS_MAP_PRIVATE(object); | ||
536 | |||
537 | //user can specify a map source ID, or a repo URI as the map source | ||
538 | uri = osm_gps_map_source_get_repo_uri(OSM_GPS_MAP_SOURCE_NULL); | ||
539 | if ( (priv->map_source == 0) || (strcmp(priv->repo_uri, uri) == 0) ) { | ||
540 | g_debug("Using null source"); | ||
541 | priv->map_source = OSM_GPS_MAP_SOURCE_NULL; | ||
542 | |||
543 | priv->null_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 256, 256); | ||
544 | gdk_pixbuf_fill(priv->null_tile, 0xcccccc00); | ||
545 | } | ||
546 | else if (priv->map_source >= 0) { | ||
547 | //check if the source given is valid | ||
548 | uri = osm_gps_map_source_get_repo_uri(priv->map_source); | ||
549 | if (uri) { | ||
550 | g_debug("Setting map source from ID"); | ||
551 | g_free(priv->repo_uri); | ||
552 | |||
553 | priv->repo_uri = g_strdup(uri); | ||
554 | priv->image_format = g_strdup( | ||
555 | osm_gps_map_source_get_image_format(priv->map_source)); | ||
556 | priv->max_zoom = osm_gps_map_source_get_max_zoom(priv->map_source); | ||
557 | priv->min_zoom = osm_gps_map_source_get_min_zoom(priv->map_source); | ||
558 | } | ||
559 | } | ||
560 | |||
561 | if (!priv->cache_dir_is_full_path) { | ||
562 | #ifdef G_CHECKSUM_MD5 | ||
563 | char *md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5, priv->repo_uri, -1); | ||
564 | #else | ||
565 | char *md5 = simple_hash(priv->repo_uri); | ||
566 | #endif | ||
567 | |||
568 | if (priv->cache_dir) { | ||
569 | char *old = priv->cache_dir; | ||
570 | //the new cachedir is the given cache dir + the md5 of the repo_uri | ||
571 | priv->cache_dir = g_strdup_printf("%s%c%s", old, G_DIR_SEPARATOR, md5); | ||
572 | g_debug("Adjusting cache dir %s -> %s", old, priv->cache_dir); | ||
573 | g_free(old); | ||
574 | } else { | ||
575 | //the new cachedir is the current dir + the md5 of the repo_uri | ||
576 | priv->cache_dir = g_strdup(md5); | ||
577 | } | ||
578 | |||
579 | g_free(md5); | ||
580 | } | ||
581 | |||
582 | inspect_map_uri(map); | ||
583 | |||
584 | return object; | ||
585 | } | ||
586 | |||
587 | static void | ||
588 | osm_gps_map_dispose (GObject *object) | ||
589 | { | ||
590 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
591 | OsmGpsMapPrivate *priv = map->priv; | ||
592 | |||
593 | if (priv->is_disposed) | ||
594 | return; | ||
595 | |||
596 | priv->is_disposed = TRUE; | ||
597 | |||
598 | soup_session_abort(priv->soup_session); | ||
599 | g_object_unref(priv->soup_session); | ||
600 | |||
601 | g_hash_table_destroy(priv->tile_queue); | ||
602 | g_hash_table_destroy(priv->missing_tiles); | ||
603 | g_hash_table_destroy(priv->tile_cache); | ||
604 | |||
605 | osm_gps_map_free_images(map); | ||
606 | |||
607 | if(priv->pixmap) | ||
608 | g_object_unref (priv->pixmap); | ||
609 | |||
610 | if (priv->null_tile) | ||
611 | g_object_unref (priv->null_tile); | ||
612 | |||
613 | if(priv->gc_map) | ||
614 | g_object_unref(priv->gc_map); | ||
615 | |||
616 | if (priv->idle_map_redraw != 0) | ||
617 | g_source_remove (priv->idle_map_redraw); | ||
618 | |||
619 | g_free(priv->gps); | ||
620 | |||
621 | #ifdef ENABLE_BALLOON | ||
622 | g_free(priv->balloon.coo); | ||
623 | #endif | ||
624 | |||
625 | #ifdef ENABLE_OSD | ||
626 | if (priv->osd.backup) | ||
627 | g_object_unref(priv->osd.backup); | ||
628 | |||
629 | if (priv->osd.overlay) | ||
630 | cairo_surface_destroy(priv->osd.overlay); | ||
631 | #endif | ||
632 | |||
633 | G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object); | ||
634 | } | ||
635 | |||
636 | static void | ||
637 | osm_gps_map_finalize (GObject *object) | ||
638 | { | ||
639 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
640 | OsmGpsMapPrivate *priv = map->priv; | ||
641 | |||
642 | g_free(priv->cache_dir); | ||
643 | g_free(priv->repo_uri); | ||
644 | g_free(priv->image_format); | ||
645 | |||
646 | osm_gps_map_free_trip(map); | ||
647 | osm_gps_map_free_tracks(map); | ||
648 | |||
649 | G_OBJECT_CLASS (osm_gps_map_parent_class)->finalize (object); | ||
650 | } | ||
651 | |||
652 | static void | ||
653 | osm_gps_map_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) | ||
654 | { | ||
655 | g_return_if_fail (OSM_IS_GPS_MAP (object)); | ||
656 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
657 | OsmGpsMapPrivate *priv = map->priv; | ||
658 | |||
659 | switch (prop_id) | ||
660 | { | ||
661 | case PROP_AUTO_CENTER: | ||
662 | priv->map_auto_center = g_value_get_boolean (value); | ||
663 | break; | ||
664 | case PROP_RECORD_TRIP_HISTORY: | ||
665 | priv->record_trip_history = g_value_get_boolean (value); | ||
666 | break; | ||
667 | case PROP_SHOW_TRIP_HISTORY: | ||
668 | priv->show_trip_history = g_value_get_boolean (value); | ||
669 | break; | ||
670 | case PROP_AUTO_DOWNLOAD: | ||
671 | priv->map_auto_download = g_value_get_boolean (value); | ||
672 | break; | ||
673 | case PROP_REPO_URI: | ||
674 | priv->repo_uri = g_value_dup_string (value); | ||
675 | break; | ||
676 | case PROP_PROXY_URI: | ||
677 | if ( g_value_get_string(value) ) { | ||
678 | priv->proxy_uri = g_value_dup_string (value); | ||
679 | g_debug("Setting proxy server: %s", priv->proxy_uri); | ||
680 | |||
681 | #ifndef LIBSOUP22 | ||
682 | GValue val = {0}; | ||
683 | |||
684 | SoupURI* uri = soup_uri_new(priv->proxy_uri); | ||
685 | g_value_init(&val, SOUP_TYPE_URI); | ||
686 | g_value_take_boxed(&val, uri); | ||
687 | |||
688 | g_object_set_property(G_OBJECT(priv->soup_session),SOUP_SESSION_PROXY_URI,&val); | ||
689 | #else | ||
690 | SoupUri* uri = soup_uri_new(priv->proxy_uri); | ||
691 | g_object_set(G_OBJECT(priv->soup_session), SOUP_SESSION_PROXY_URI, uri, NULL); | ||
692 | #endif | ||
693 | } else | ||
694 | priv->proxy_uri = NULL; | ||
695 | |||
696 | break; | ||
697 | case PROP_TILE_CACHE_DIR: | ||
698 | if ( g_value_get_string(value) ) | ||
699 | priv->cache_dir = g_value_dup_string (value); | ||
700 | break; | ||
701 | case PROP_TILE_CACHE_DIR_IS_FULL_PATH: | ||
702 | priv->cache_dir_is_full_path = g_value_get_boolean (value); | ||
703 | break; | ||
704 | case PROP_ZOOM: | ||
705 | priv->map_zoom = g_value_get_int (value); | ||
706 | break; | ||
707 | case PROP_MAX_ZOOM: | ||
708 | priv->max_zoom = g_value_get_int (value); | ||
709 | break; | ||
710 | case PROP_MIN_ZOOM: | ||
711 | priv->min_zoom = g_value_get_int (value); | ||
712 | break; | ||
713 | case PROP_MAP_X: | ||
714 | priv->map_x = g_value_get_int (value); | ||
715 | priv->center_coord_set = FALSE; | ||
716 | break; | ||
717 | case PROP_MAP_Y: | ||
718 | priv->map_y = g_value_get_int (value); | ||
719 | priv->center_coord_set = FALSE; | ||
720 | break; | ||
721 | case PROP_GPS_TRACK_WIDTH: | ||
722 | priv->ui_gps_track_width = g_value_get_int (value); | ||
723 | break; | ||
724 | case PROP_GPS_POINT_R1: | ||
725 | priv->ui_gps_point_inner_radius = g_value_get_int (value); | ||
726 | break; | ||
727 | case PROP_GPS_POINT_R2: | ||
728 | priv->ui_gps_point_outer_radius = g_value_get_int (value); | ||
729 | break; | ||
730 | case PROP_MAP_SOURCE: | ||
731 | priv->map_source = g_value_get_int (value); | ||
732 | break; | ||
733 | case PROP_IMAGE_FORMAT: | ||
734 | priv->image_format = g_value_dup_string (value); | ||
735 | break; | ||
736 | default: | ||
737 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); | ||
738 | break; | ||
739 | } | ||
740 | } | ||
741 | |||
742 | static void | ||
743 | osm_gps_map_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) | ||
744 | { | ||
745 | g_return_if_fail (OSM_IS_GPS_MAP (object)); | ||
746 | float lat,lon; | ||
747 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
748 | OsmGpsMapPrivate *priv = map->priv; | ||
749 | |||
750 | switch (prop_id) | ||
751 | { | ||
752 | case PROP_AUTO_CENTER: | ||
753 | g_value_set_boolean(value, priv->map_auto_center); | ||
754 | break; | ||
755 | case PROP_RECORD_TRIP_HISTORY: | ||
756 | g_value_set_boolean(value, priv->record_trip_history); | ||
757 | break; | ||
758 | case PROP_SHOW_TRIP_HISTORY: | ||
759 | g_value_set_boolean(value, priv->show_trip_history); | ||
760 | break; | ||
761 | case PROP_AUTO_DOWNLOAD: | ||
762 | g_value_set_boolean(value, priv->map_auto_download); | ||
763 | break; | ||
764 | case PROP_REPO_URI: | ||
765 | g_value_set_string(value, priv->repo_uri); | ||
766 | break; | ||
767 | case PROP_PROXY_URI: | ||
768 | g_value_set_string(value, priv->proxy_uri); | ||
769 | break; | ||
770 | case PROP_TILE_CACHE_DIR: | ||
771 | g_value_set_string(value, priv->cache_dir); | ||
772 | break; | ||
773 | case PROP_TILE_CACHE_DIR_IS_FULL_PATH: | ||
774 | g_value_set_boolean(value, priv->cache_dir_is_full_path); | ||
775 | break; | ||
776 | case PROP_ZOOM: | ||
777 | g_value_set_int(value, priv->map_zoom); | ||
778 | break; | ||
779 | case PROP_MAX_ZOOM: | ||
780 | g_value_set_int(value, priv->max_zoom); | ||
781 | break; | ||
782 | case PROP_MIN_ZOOM: | ||
783 | g_value_set_int(value, priv->min_zoom); | ||
784 | break; | ||
785 | case PROP_LATITUDE: | ||
786 | lat = pixel2lat(priv->map_zoom, | ||
787 | priv->map_y + (GTK_WIDGET(map)->allocation.height / 2)); | ||
788 | g_value_set_float(value, rad2deg(lat)); | ||
789 | break; | ||
790 | case PROP_LONGITUDE: | ||
791 | lon = pixel2lon(priv->map_zoom, | ||
792 | priv->map_x + (GTK_WIDGET(map)->allocation.width / 2)); | ||
793 | g_value_set_float(value, rad2deg(lon)); | ||
794 | break; | ||
795 | case PROP_MAP_X: | ||
796 | g_value_set_int(value, priv->map_x); | ||
797 | break; | ||
798 | case PROP_MAP_Y: | ||
799 | g_value_set_int(value, priv->map_y); | ||
800 | break; | ||
801 | case PROP_TILES_QUEUED: | ||
802 | g_value_set_int(value, g_hash_table_size(priv->tile_queue)); | ||
803 | break; | ||
804 | case PROP_GPS_TRACK_WIDTH: | ||
805 | g_value_set_int(value, priv->ui_gps_track_width); | ||
806 | break; | ||
807 | case PROP_GPS_POINT_R1: | ||
808 | g_value_set_int(value, priv->ui_gps_point_inner_radius); | ||
809 | break; | ||
810 | case PROP_GPS_POINT_R2: | ||
811 | g_value_set_int(value, priv->ui_gps_point_outer_radius); | ||
812 | break; | ||
813 | case PROP_MAP_SOURCE: | ||
814 | g_value_set_int(value, priv->map_source); | ||
815 | break; | ||
816 | case PROP_IMAGE_FORMAT: | ||
817 | g_value_set_string(value, priv->image_format); | ||
818 | break; | ||
819 | default: | ||
820 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); | ||
821 | break; | ||
822 | } | ||
823 | } | ||
824 | |||
825 | static gboolean | ||
826 | osm_gps_map_scroll_event (GtkWidget *widget, GdkEventScroll *event) | ||
827 | { | ||
828 | OsmGpsMap *map = OSM_GPS_MAP(widget); | ||
829 | OsmGpsMapPrivate *priv = map->priv; | ||
830 | |||
831 | if (event->direction == GDK_SCROLL_UP) | ||
832 | { | ||
833 | osm_gps_map_set_zoom(map, priv->map_zoom+1); | ||
834 | } | ||
835 | else | ||
836 | { | ||
837 | osm_gps_map_set_zoom(map, priv->map_zoom-1); | ||
838 | } | ||
839 | |||
840 | return FALSE; | ||
841 | } | ||
842 | |||
843 | static gboolean | ||
844 | osm_gps_map_button_press (GtkWidget *widget, GdkEventButton *event) | ||
845 | { | ||
846 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
847 | |||
848 | #ifdef ENABLE_BALLOON | ||
849 | /* don't drag if the user clicked within the balloon */ | ||
850 | if (osm_gps_map_in_balloon(priv, | ||
851 | event->x + EXTRA_BORDER, | ||
852 | event->y + EXTRA_BORDER)) | ||
853 | { | ||
854 | priv->drag_counter = -1; | ||
855 | return FALSE; | ||
856 | } | ||
857 | #endif | ||
858 | |||
859 | #ifdef ENABLE_OSD | ||
860 | #define SCROLL_STEP 10 | ||
861 | |||
862 | /* pressed inside OSD control? */ | ||
863 | osd_button_t but = osm_gps_map_osd_check(event->x, event->y); | ||
864 | if(but != OSD_NONE) | ||
865 | { | ||
866 | priv->drag_counter = -1; | ||
867 | |||
868 | switch(but) { | ||
869 | case OSD_GPS: | ||
870 | priv->osd.cb(priv->osd.data); | ||
871 | break; | ||
872 | |||
873 | case OSD_UP: | ||
874 | priv->map_y -= GTK_WIDGET(widget)->allocation.height/SCROLL_STEP; | ||
875 | priv->center_coord_set = FALSE; | ||
876 | break; | ||
877 | |||
878 | case OSD_DOWN: | ||
879 | priv->map_y += GTK_WIDGET(widget)->allocation.height/SCROLL_STEP; | ||
880 | priv->center_coord_set = FALSE; | ||
881 | break; | ||
882 | |||
883 | case OSD_LEFT: | ||
884 | priv->map_x -= GTK_WIDGET(widget)->allocation.width/SCROLL_STEP; | ||
885 | priv->center_coord_set = FALSE; | ||
886 | break; | ||
887 | |||
888 | case OSD_RIGHT: | ||
889 | priv->map_x += GTK_WIDGET(widget)->allocation.width/SCROLL_STEP; | ||
890 | priv->center_coord_set = FALSE; | ||
891 | break; | ||
892 | |||
893 | case OSD_IN: | ||
894 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1); | ||
895 | break; | ||
896 | |||
897 | case OSD_OUT: | ||
898 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1); | ||
899 | break; | ||
900 | |||
901 | default: | ||
902 | break; | ||
903 | } | ||
904 | |||
905 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); | ||
906 | |||
907 | return FALSE; | ||
908 | } | ||
909 | #endif | ||
910 | |||
911 | priv->drag_counter = 0; | ||
912 | priv->drag_start_mouse_x = (int) event->x; | ||
913 | priv->drag_start_mouse_y = (int) event->y; | ||
914 | priv->drag_start_map_x = priv->map_x; | ||
915 | priv->drag_start_map_y = priv->map_y; | ||
916 | |||
917 | return FALSE; | ||
918 | } | ||
919 | |||
920 | static gboolean | ||
921 | osm_gps_map_button_release (GtkWidget *widget, GdkEventButton *event) | ||
922 | { | ||
923 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
924 | |||
925 | #ifdef ENABLE_BALLOON | ||
926 | /* released inside the balloon? */ | ||
927 | if (osm_gps_map_in_balloon(priv, | ||
928 | event->x + EXTRA_BORDER, | ||
929 | event->y + EXTRA_BORDER)) | ||
930 | { | ||
931 | osm_gps_map_handle_balloon_click(OSM_GPS_MAP(widget), | ||
932 | event->x - priv->balloon.rect.x + EXTRA_BORDER, | ||
933 | event->y - priv->balloon.rect.y + EXTRA_BORDER); | ||
934 | } | ||
935 | #endif | ||
936 | |||
937 | if (priv->dragging) | ||
938 | { | ||
939 | priv->dragging = FALSE; | ||
940 | |||
941 | priv->map_x = priv->drag_start_map_x; | ||
942 | priv->map_y = priv->drag_start_map_y; | ||
943 | |||
944 | priv->map_x += (priv->drag_start_mouse_x - (int) event->x); | ||
945 | priv->map_y += (priv->drag_start_mouse_y - (int) event->y); | ||
946 | |||
947 | priv->center_coord_set = FALSE; | ||
948 | |||
949 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); | ||
950 | } | ||
951 | |||
952 | priv->drag_mouse_dx = 0; | ||
953 | priv->drag_mouse_dy = 0; | ||
954 | priv->drag_counter = -1; | ||
955 | |||
956 | return FALSE; | ||
957 | } | ||
958 | |||
959 | static gboolean | ||
960 | osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event); | ||
961 | |||
962 | static gboolean | ||
963 | osm_gps_map_motion_notify (GtkWidget *widget, GdkEventMotion *event) | ||
964 | { | ||
965 | int x, y; | ||
966 | GdkModifierType state; | ||
967 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
968 | |||
969 | if (event->is_hint) | ||
970 | gdk_window_get_pointer (event->window, &x, &y, &state); | ||
971 | else | ||
972 | { | ||
973 | x = event->x; | ||
974 | y = event->y; | ||
975 | state = event->state; | ||
976 | } | ||
977 | |||
978 | // are we being dragged | ||
979 | if (!(state & GDK_BUTTON1_MASK)) | ||
980 | return FALSE; | ||
981 | |||
982 | if (priv->drag_counter < 0) | ||
983 | return FALSE; | ||
984 | |||
985 | priv->drag_counter++; | ||
986 | |||
987 | // we havent dragged more than 6 pixels | ||
988 | if (priv->drag_counter < 6) | ||
989 | return FALSE; | ||
990 | |||
991 | #ifdef USE_MAEMO | ||
992 | /* reduce update frequency on maemo to keep screen update fluid */ | ||
993 | static guint32 last_time = 0; | ||
994 | |||
995 | if(event->time - last_time < 100) return FALSE; | ||
996 | last_time = event->time; | ||
997 | #endif | ||
998 | |||
999 | priv->dragging = TRUE; | ||
1000 | |||
1001 | if (priv->map_auto_center) | ||
1002 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); | ||
1003 | |||
1004 | priv->drag_mouse_dx = x - priv->drag_start_mouse_x; | ||
1005 | priv->drag_mouse_dy = y - priv->drag_start_mouse_y; | ||
1006 | |||
1007 | #ifdef ENABLE_OSD | ||
1008 | /* undo OSD */ | ||
1009 | osm_gps_map_osd_restore (OSM_GPS_MAP(widget)); | ||
1010 | |||
1011 | /* draw new OSD */ | ||
1012 | osm_gps_map_osd_draw_controls (OSM_GPS_MAP(widget), | ||
1013 | -priv->drag_mouse_dx, | ||
1014 | -priv->drag_mouse_dy); | ||
1015 | #endif | ||
1016 | |||
1017 | osm_gps_map_expose (widget, NULL); | ||
1018 | |||
1019 | |||
1020 | return FALSE; | ||
1021 | } | ||
1022 | |||
1023 | static gboolean | ||
1024 | osm_gps_map_configure (GtkWidget *widget, GdkEventConfigure *event) | ||
1025 | { | ||
1026 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
1027 | |||
1028 | /* create pixmap */ | ||
1029 | if (priv->pixmap) | ||
1030 | g_object_unref (priv->pixmap); | ||
1031 | |||
1032 | priv->pixmap = gdk_pixmap_new ( | ||
1033 | widget->window, | ||
1034 | widget->allocation.width + EXTRA_BORDER * 2, | ||
1035 | widget->allocation.height + EXTRA_BORDER * 2, | ||
1036 | -1); | ||
1037 | |||
1038 | /* and gc, used for clipping (I think......) */ | ||
1039 | if(priv->gc_map) | ||
1040 | g_object_unref(priv->gc_map); | ||
1041 | |||
1042 | priv->gc_map = gdk_gc_new(priv->pixmap); | ||
1043 | |||
1044 | osm_gps_map_map_redraw(OSM_GPS_MAP(widget)); | ||
1045 | |||
1046 | return FALSE; | ||
1047 | } | ||
1048 | |||
1049 | static gboolean | ||
1050 | osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event) | ||
1051 | { | ||
1052 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
1053 | |||
1054 | gdk_draw_drawable ( | ||
1055 | widget->window, | ||
1056 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], | ||
1057 | priv->pixmap, | ||
1058 | 0,0, | ||
1059 | priv->drag_mouse_dx - EXTRA_BORDER, | ||
1060 | priv->drag_mouse_dy - EXTRA_BORDER, | ||
1061 | -1,-1); | ||
1062 | |||
1063 | //Paint white outside of the map if dragging. Its less | ||
1064 | //ugly than painting the corrupted map | ||
1065 | if(priv->drag_mouse_dx>EXTRA_BORDER) { | ||
1066 | gdk_draw_rectangle ( | ||
1067 | widget->window, | ||
1068 | widget->style->white_gc, | ||
1069 | TRUE, | ||
1070 | 0, 0, | ||
1071 | priv->drag_mouse_dx - EXTRA_BORDER, | ||
1072 | widget->allocation.height); | ||
1073 | } | ||
1074 | else if (-priv->drag_mouse_dx > EXTRA_BORDER) | ||
1075 | { | ||
1076 | gdk_draw_rectangle ( | ||
1077 | widget->window, | ||
1078 | widget->style->white_gc, | ||
1079 | TRUE, | ||
1080 | priv->drag_mouse_dx + widget->allocation.width + EXTRA_BORDER, 0, | ||
1081 | -priv->drag_mouse_dx - EXTRA_BORDER, | ||
1082 | widget->allocation.height); | ||
1083 | } | ||
1084 | |||
1085 | if (priv->drag_mouse_dy>EXTRA_BORDER) { | ||
1086 | gdk_draw_rectangle ( | ||
1087 | widget->window, | ||
1088 | widget->style->white_gc, | ||
1089 | TRUE, | ||
1090 | 0, 0, | ||
1091 | widget->allocation.width, | ||
1092 | priv->drag_mouse_dy - EXTRA_BORDER); | ||
1093 | } | ||
1094 | else if (-priv->drag_mouse_dy > EXTRA_BORDER) | ||
1095 | { | ||
1096 | gdk_draw_rectangle ( | ||
1097 | widget->window, | ||
1098 | widget->style->white_gc, | ||
1099 | TRUE, | ||
1100 | 0, priv->drag_mouse_dy + widget->allocation.height + EXTRA_BORDER, | ||
1101 | widget->allocation.width, | ||
1102 | -priv->drag_mouse_dy - EXTRA_BORDER); | ||
1103 | } | ||
1104 | #if 0 | ||
1105 | if(!priv->dragging) | ||
1106 | gdk_draw_drawable ( | ||
1107 | widget->window, | ||
1108 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], | ||
1109 | priv->pixmap, | ||
1110 | event->area.x + EXTRA_BORDER, | ||
1111 | event->area.y + EXTRA_BORDER, | ||
1112 | event->area.x, event->area.y, | ||
1113 | event->area.width, event->area.height); | ||
1114 | #endif | ||
1115 | return FALSE; | ||
1116 | } | ||
1117 | |||
1118 | static void | ||
1119 | osm_gps_map_class_init (OsmGpsMapClass *klass) | ||
1120 | { | ||
1121 | GObjectClass* object_class = G_OBJECT_CLASS (klass); | ||
1122 | GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); | ||
1123 | |||
1124 | g_type_class_add_private (klass, sizeof (OsmGpsMapPrivate)); | ||
1125 | |||
1126 | object_class->dispose = osm_gps_map_dispose; | ||
1127 | object_class->finalize = osm_gps_map_finalize; | ||
1128 | object_class->constructor = osm_gps_map_constructor; | ||
1129 | object_class->set_property = osm_gps_map_set_property; | ||
1130 | object_class->get_property = osm_gps_map_get_property; | ||
1131 | |||
1132 | widget_class->expose_event = osm_gps_map_expose; | ||
1133 | widget_class->configure_event = osm_gps_map_configure; | ||
1134 | widget_class->button_press_event = osm_gps_map_button_press; | ||
1135 | widget_class->button_release_event = osm_gps_map_button_release; | ||
1136 | widget_class->motion_notify_event = osm_gps_map_motion_notify; | ||
1137 | widget_class->scroll_event = osm_gps_map_scroll_event; | ||
1138 | |||
1139 | g_object_class_install_property (object_class, | ||
1140 | PROP_AUTO_CENTER, | ||
1141 | g_param_spec_boolean ("auto-center", | ||
1142 | "auto center", | ||
1143 | "map auto center", | ||
1144 | TRUE, | ||
1145 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
1146 | |||
1147 | g_object_class_install_property (object_class, | ||
1148 | PROP_RECORD_TRIP_HISTORY, | ||
1149 | g_param_spec_boolean ("record-trip-history", | ||
1150 | "record trip history", | ||
1151 | "should all gps points be recorded in a trip history", | ||
1152 | TRUE, | ||
1153 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
1154 | |||
1155 | g_object_class_install_property (object_class, | ||
1156 | PROP_SHOW_TRIP_HISTORY, | ||
1157 | g_param_spec_boolean ("show-trip-history", | ||
1158 | "show trip history", | ||
1159 | "should the recorded trip history be shown on the map", | ||
1160 | TRUE, | ||
1161 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
1162 | |||
1163 | g_object_class_install_property (object_class, | ||
1164 | PROP_AUTO_DOWNLOAD, | ||
1165 | g_param_spec_boolean ("auto-download", | ||
1166 | "auto download", | ||
1167 | "map auto download", | ||
1168 | TRUE, | ||
1169 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
1170 | |||
1171 | g_object_class_install_property (object_class, | ||
1172 | PROP_REPO_URI, | ||
1173 | g_param_spec_string ("repo-uri", | ||
1174 | "repo uri", | ||
1175 | "map source tile repository uri", | ||
1176 | OSM_REPO_URI, | ||
1177 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
1178 | |||
1179 | g_object_class_install_property (object_class, | ||
1180 | PROP_PROXY_URI, | ||
1181 | g_param_spec_string ("proxy-uri", | ||
1182 | "proxy uri", | ||
1183 | "http proxy uri on NULL", | ||
1184 | NULL, | ||
1185 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
1186 | |||
1187 | g_object_class_install_property (object_class, | ||
1188 | PROP_TILE_CACHE_DIR, | ||
1189 | g_param_spec_string ("tile-cache", | ||
1190 | "tile cache", | ||
1191 | "osm local tile cache dir", | ||
1192 | NULL, | ||
1193 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
1194 | |||
1195 | g_object_class_install_property (object_class, | ||
1196 | PROP_TILE_CACHE_DIR_IS_FULL_PATH, | ||
1197 | g_param_spec_boolean ("tile-cache-is-full-path", | ||
1198 | "tile cache is full path", | ||
1199 | "if true, the path passed to tile-cache is interpreted as the full cache path", | ||
1200 | FALSE, | ||
1201 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
1202 | |||
1203 | g_object_class_install_property (object_class, | ||
1204 | PROP_ZOOM, | ||
1205 | g_param_spec_int ("zoom", | ||
1206 | "zoom", | ||
1207 | "zoom level", | ||
1208 | MIN_ZOOM, /* minimum property value */ | ||
1209 | MAX_ZOOM, /* maximum property value */ | ||
1210 | 3, | ||
1211 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
1212 | |||
1213 | g_object_class_install_property (object_class, | ||
1214 | PROP_MAX_ZOOM, | ||
1215 | g_param_spec_int ("max-zoom", | ||
1216 | "max zoom", | ||
1217 | "maximum zoom level", | ||
1218 | MIN_ZOOM, /* minimum property value */ | ||
1219 | MAX_ZOOM, /* maximum property value */ | ||
1220 | OSM_MAX_ZOOM, | ||
1221 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
1222 | |||
1223 | g_object_class_install_property (object_class, | ||
1224 | PROP_MIN_ZOOM, | ||
1225 | g_param_spec_int ("min-zoom", | ||
1226 | "min zoom", | ||
1227 | "minimum zoom level", | ||
1228 | MIN_ZOOM, /* minimum property value */ | ||
1229 | MAX_ZOOM, /* maximum property value */ | ||
1230 | OSM_MIN_ZOOM, | ||
1231 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
1232 | |||
1233 | g_object_class_install_property (object_class, | ||
1234 | PROP_LATITUDE, | ||
1235 | g_param_spec_float ("latitude", | ||
1236 | "latitude", | ||
1237 | "latitude in degrees", | ||
1238 | -90.0, /* minimum property value */ | ||
1239 | 90.0, /* maximum property value */ | ||
1240 | 0, | ||
1241 | G_PARAM_READABLE)); | ||
1242 | |||
1243 | g_object_class_install_property (object_class, | ||
1244 | PROP_LONGITUDE, | ||
1245 | g_param_spec_float ("longitude", | ||
1246 | "longitude", | ||
1247 | "longitude in degrees", | ||
1248 | -180.0, /* minimum property value */ | ||
1249 | 180.0, /* maximum property value */ | ||
1250 | 0, | ||
1251 | G_PARAM_READABLE)); | ||
1252 | |||
1253 | g_object_class_install_property (object_class, | ||
1254 | PROP_MAP_X, | ||
1255 | g_param_spec_int ("map-x", | ||
1256 | "map-x", | ||
1257 | "initial map x location", | ||
1258 | G_MININT, /* minimum property value */ | ||
1259 | G_MAXINT, /* maximum property value */ | ||
1260 | 890, | ||
1261 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
1262 | |||
1263 | g_object_class_install_property (object_class, | ||
1264 | PROP_MAP_Y, | ||
1265 | g_param_spec_int ("map-y", | ||
1266 | "map-y", | ||
1267 | "initial map y location", | ||
1268 | G_MININT, /* minimum property value */ | ||
1269 | G_MAXINT, /* maximum property value */ | ||
1270 | 515, | ||
1271 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
1272 | |||
1273 | g_object_class_install_property (object_class, | ||
1274 | PROP_TILES_QUEUED, | ||
1275 | g_param_spec_int ("tiles-queued", | ||
1276 | "tiles-queued", | ||
1277 | "number of tiles currently waiting to download", | ||
1278 | G_MININT, /* minimum property value */ | ||
1279 | G_MAXINT, /* maximum property value */ | ||
1280 | 0, | ||
1281 | G_PARAM_READABLE)); | ||
1282 | |||
1283 | g_object_class_install_property (object_class, | ||
1284 | PROP_GPS_TRACK_WIDTH, | ||
1285 | g_param_spec_int ("gps-track-width", | ||
1286 | "gps-track-width", | ||
1287 | "width of the lines drawn for the gps track", | ||
1288 | 1, /* minimum property value */ | ||
1289 | G_MAXINT, /* maximum property value */ | ||
1290 | 4, | ||
1291 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
1292 | |||
1293 | g_object_class_install_property (object_class, | ||
1294 | PROP_GPS_POINT_R1, | ||
1295 | g_param_spec_int ("gps-track-point-radius", | ||
1296 | "gps-track-point-radius", | ||
1297 | "radius of the gps point inner circle", | ||
1298 | 0, /* minimum property value */ | ||
1299 | G_MAXINT, /* maximum property value */ | ||
1300 | 10, | ||
1301 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
1302 | |||
1303 | g_object_class_install_property (object_class, | ||
1304 | PROP_GPS_POINT_R2, | ||
1305 | g_param_spec_int ("gps-track-highlight-radius", | ||
1306 | "gps-track-highlight-radius", | ||
1307 | "radius of the gps point highlight circle", | ||
1308 | 0, /* minimum property value */ | ||
1309 | G_MAXINT, /* maximum property value */ | ||
1310 | 20, | ||
1311 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
1312 | |||
1313 | g_object_class_install_property (object_class, | ||
1314 | PROP_MAP_SOURCE, | ||
1315 | g_param_spec_int ("map-source", | ||
1316 | "map source", | ||
1317 | "map source ID", | ||
1318 | -1, /* minimum property value */ | ||
1319 | G_MAXINT, /* maximum property value */ | ||
1320 | -1, | ||
1321 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
1322 | |||
1323 | g_object_class_install_property (object_class, | ||
1324 | PROP_IMAGE_FORMAT, | ||
1325 | g_param_spec_string ("image-format", | ||
1326 | "image format", | ||
1327 | "map source tile repository image format (jpg, png)", | ||
1328 | OSM_IMAGE_FORMAT, | ||
1329 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
1330 | } | ||
1331 | |||
1332 | const char* | ||
1333 | osm_gps_map_source_get_friendly_name(OsmGpsMapSource_t source) | ||
1334 | { | ||
1335 | switch(source) | ||
1336 | { | ||
1337 | case OSM_GPS_MAP_SOURCE_NULL: | ||
1338 | return "None"; | ||
1339 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
1340 | return "OpenStreetMap"; | ||
1341 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
1342 | return "OpenStreetMap Renderer"; | ||
1343 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
1344 | return "OpenAerialMap"; | ||
1345 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
1346 | return "Maps-For-Free"; | ||
1347 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
1348 | return "Google Maps"; | ||
1349 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
1350 | return "Google Satellite"; | ||
1351 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
1352 | return "Google Hybrid"; | ||
1353 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
1354 | return "Virtual Earth"; | ||
1355 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
1356 | return "Virtual Earth Satellite"; | ||
1357 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
1358 | return "Virtual Earth Hybrid"; | ||
1359 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
1360 | return "Yahoo Maps"; | ||
1361 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
1362 | return "Yahoo Satellite"; | ||
1363 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
1364 | return "Yahoo Hybrid"; | ||
1365 | default: | ||
1366 | return NULL; | ||
1367 | } | ||
1368 | return NULL; | ||
1369 | } | ||
1370 | |||
1371 | //http://www.internettablettalk.com/forums/showthread.php?t=5209 | ||
1372 | //https://garage.maemo.org/plugins/scmsvn/viewcvs.php/trunk/src/maps.c?root=maemo-mapper&view=markup | ||
1373 | //http://www.ponies.me.uk/maps/GoogleTileUtils.java | ||
1374 | //http://www.mgmaps.com/cache/MapTileCacher.perl | ||
1375 | const char* | ||
1376 | osm_gps_map_source_get_repo_uri(OsmGpsMapSource_t source) | ||
1377 | { | ||
1378 | switch(source) | ||
1379 | { | ||
1380 | case OSM_GPS_MAP_SOURCE_NULL: | ||
1381 | return "none://"; | ||
1382 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
1383 | return OSM_REPO_URI; | ||
1384 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
1385 | return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png"; | ||
1386 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
1387 | return "http://tile.openaerialmap.org/tiles/1.0.0/openaerialmap-900913/#Z/#X/#Y.jpg"; | ||
1388 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
1389 | return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg"; | ||
1390 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
1391 | return "http://mt#R.google.com/vt/v=w2.97&x=#X&y=#Y&z=#Z"; | ||
1392 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
1393 | return "http://khm#R.google.com/kh?n=404&v=3&t=#Q"; | ||
1394 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
1395 | return NULL; /* No longer working "http://mt#R.google.com/mt?n=404&v=w2t.99&x=#X&y=#Y&zoom=#S" */ | ||
1396 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
1397 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/r#W.jpeg?g=50"; | ||
1398 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
1399 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/a#W.jpeg?g=50"; | ||
1400 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
1401 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/h#W.jpeg?g=50"; | ||
1402 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
1403 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
1404 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
1405 | /* TODO: Implement signed Y, aka U | ||
1406 | * http://us.maps3.yimg.com/aerial.maps.yimg.com/ximg?v=1.7&t=a&s=256&x=%d&y=%-d&z=%d | ||
1407 | * x = tilex, | ||
1408 | * y = (1 << (MAX_ZOOM - zoom)) - tiley - 1, | ||
1409 | * z = zoom - (MAX_ZOOM - 17)); | ||
1410 | */ | ||
1411 | return NULL; | ||
1412 | default: | ||
1413 | return NULL; | ||
1414 | } | ||
1415 | return NULL; | ||
1416 | } | ||
1417 | |||
1418 | const char * | ||
1419 | osm_gps_map_source_get_image_format(OsmGpsMapSource_t source) | ||
1420 | { | ||
1421 | switch(source) { | ||
1422 | case OSM_GPS_MAP_SOURCE_NULL: | ||
1423 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
1424 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
1425 | return "png"; | ||
1426 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
1427 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
1428 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
1429 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
1430 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
1431 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
1432 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
1433 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
1434 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
1435 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
1436 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
1437 | return "jpg"; | ||
1438 | default: | ||
1439 | return "bin"; | ||
1440 | } | ||
1441 | return "bin"; | ||
1442 | } | ||
1443 | |||
1444 | |||
1445 | int | ||
1446 | osm_gps_map_source_get_min_zoom(OsmGpsMapSource_t source) | ||
1447 | { | ||
1448 | return 1; | ||
1449 | } | ||
1450 | |||
1451 | int | ||
1452 | osm_gps_map_source_get_max_zoom(OsmGpsMapSource_t source) | ||
1453 | { | ||
1454 | switch(source) { | ||
1455 | case OSM_GPS_MAP_SOURCE_NULL: | ||
1456 | return 18; | ||
1457 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
1458 | return OSM_MAX_ZOOM; | ||
1459 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
1460 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
1461 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
1462 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
1463 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
1464 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
1465 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
1466 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
1467 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
1468 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
1469 | return 17; | ||
1470 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
1471 | return 11; | ||
1472 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
1473 | return 18; | ||
1474 | default: | ||
1475 | return 17; | ||
1476 | } | ||
1477 | return 17; | ||
1478 | } | ||
1479 | |||
1480 | void | ||
1481 | osm_gps_map_download_maps (OsmGpsMap *map, coord_t *pt1, coord_t *pt2, int zoom_start, int zoom_end) | ||
1482 | { | ||
1483 | int i,j,zoom,num_tiles; | ||
1484 | OsmGpsMapPrivate *priv = map->priv; | ||
1485 | |||
1486 | if (pt1 && pt2) | ||
1487 | { | ||
1488 | gchar *filename; | ||
1489 | num_tiles = 0; | ||
1490 | zoom_end = CLAMP(zoom_end, priv->min_zoom, priv->max_zoom); | ||
1491 | g_debug("Download maps: z:%d->%d",zoom_start, zoom_end); | ||
1492 | |||
1493 | for(zoom=zoom_start; zoom<=zoom_end; zoom++) | ||
1494 | { | ||
1495 | int x1,y1,x2,y2; | ||
1496 | |||
1497 | x1 = (int)floor((float)lon2pixel(zoom, pt1->rlon) / (float)TILESIZE); | ||
1498 | y1 = (int)floor((float)lat2pixel(zoom, pt1->rlat) / (float)TILESIZE); | ||
1499 | |||
1500 | x2 = (int)floor((float)lon2pixel(zoom, pt2->rlon) / (float)TILESIZE); | ||
1501 | y2 = (int)floor((float)lat2pixel(zoom, pt2->rlat) / (float)TILESIZE); | ||
1502 | |||
1503 | // loop x1-x2 | ||
1504 | for(i=x1; i<=x2; i++) | ||
1505 | { | ||
1506 | // loop y1 - y2 | ||
1507 | for(j=y1; j<=y2; j++) | ||
1508 | { | ||
1509 | // x = i, y = j | ||
1510 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", | ||
1511 | priv->cache_dir, G_DIR_SEPARATOR, | ||
1512 | zoom, G_DIR_SEPARATOR, | ||
1513 | i, G_DIR_SEPARATOR, | ||
1514 | j, | ||
1515 | priv->image_format); | ||
1516 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) | ||
1517 | { | ||
1518 | osm_gps_map_download_tile(map, zoom, i, j, FALSE); | ||
1519 | num_tiles++; | ||
1520 | } | ||
1521 | g_free(filename); | ||
1522 | } | ||
1523 | } | ||
1524 | g_debug("DL @Z:%d = %d tiles",zoom,num_tiles); | ||
1525 | } | ||
1526 | } | ||
1527 | } | ||
1528 | |||
1529 | void | ||
1530 | osm_gps_map_get_bbox (OsmGpsMap *map, coord_t *pt1, coord_t *pt2) | ||
1531 | { | ||
1532 | OsmGpsMapPrivate *priv = map->priv; | ||
1533 | |||
1534 | if (pt1 && pt2) { | ||
1535 | pt1->rlat = pixel2lat(priv->map_zoom, priv->map_y); | ||
1536 | pt1->rlon = pixel2lon(priv->map_zoom, priv->map_x); | ||
1537 | pt2->rlat = pixel2lat(priv->map_zoom, priv->map_y + GTK_WIDGET(map)->allocation.height); | ||
1538 | pt2->rlon = pixel2lon(priv->map_zoom, priv->map_x + GTK_WIDGET(map)->allocation.width); | ||
1539 | |||
1540 | g_debug("BBOX: %f %f %f %f", pt1->rlat, pt1->rlon, pt2->rlat, pt2->rlon); | ||
1541 | } | ||
1542 | } | ||
1543 | |||
1544 | void | ||
1545 | osm_gps_map_set_mapcenter (OsmGpsMap *map, float latitude, float longitude, int zoom) | ||
1546 | { | ||
1547 | osm_gps_map_set_center (map, latitude, longitude); | ||
1548 | osm_gps_map_set_zoom (map, zoom); | ||
1549 | } | ||
1550 | |||
1551 | void | ||
1552 | osm_gps_map_set_center (OsmGpsMap *map, float latitude, float longitude) | ||
1553 | { | ||
1554 | int pixel_x, pixel_y; | ||
1555 | OsmGpsMapPrivate *priv; | ||
1556 | |||
1557 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1558 | priv = map->priv; | ||
1559 | |||
1560 | priv->center_rlat = deg2rad(latitude); | ||
1561 | priv->center_rlon = deg2rad(longitude); | ||
1562 | priv->center_coord_set = TRUE; | ||
1563 | |||
1564 | // pixel_x,y, offsets | ||
1565 | pixel_x = lon2pixel(priv->map_zoom, priv->center_rlon); | ||
1566 | pixel_y = lat2pixel(priv->map_zoom, priv->center_rlat); | ||
1567 | |||
1568 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; | ||
1569 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; | ||
1570 | |||
1571 | osm_gps_map_map_redraw_idle(map); | ||
1572 | } | ||
1573 | |||
1574 | int | ||
1575 | osm_gps_map_set_zoom (OsmGpsMap *map, int zoom) | ||
1576 | { | ||
1577 | int zoom_old; | ||
1578 | double factor = 0.0; | ||
1579 | int width_center, height_center; | ||
1580 | OsmGpsMapPrivate *priv; | ||
1581 | |||
1582 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), 0); | ||
1583 | priv = map->priv; | ||
1584 | |||
1585 | if (zoom != priv->map_zoom) | ||
1586 | { | ||
1587 | width_center = GTK_WIDGET(map)->allocation.width / 2; | ||
1588 | height_center = GTK_WIDGET(map)->allocation.height / 2; | ||
1589 | |||
1590 | zoom_old = priv->map_zoom; | ||
1591 | //constrain zoom min_zoom -> max_zoom | ||
1592 | priv->map_zoom = CLAMP(zoom, priv->min_zoom, priv->max_zoom); | ||
1593 | |||
1594 | if (priv->center_coord_set) | ||
1595 | { | ||
1596 | priv->map_x = lon2pixel(priv->map_zoom, priv->center_rlon) - width_center; | ||
1597 | priv->map_y = lat2pixel(priv->map_zoom, priv->center_rlat) - height_center; | ||
1598 | } | ||
1599 | else | ||
1600 | { | ||
1601 | factor = exp(priv->map_zoom * M_LN2)/exp(zoom_old * M_LN2); | ||
1602 | priv->map_x = ((priv->map_x + width_center) * factor) - width_center; | ||
1603 | priv->map_y = ((priv->map_y + height_center) * factor) - height_center; | ||
1604 | } | ||
1605 | |||
1606 | g_debug("Zoom changed from %d to %d factor:%f x:%d", | ||
1607 | zoom_old, priv->map_zoom, factor, priv->map_x); | ||
1608 | |||
1609 | osm_gps_map_map_redraw_idle(map); | ||
1610 | } | ||
1611 | return priv->map_zoom; | ||
1612 | } | ||
1613 | |||
1614 | void | ||
1615 | osm_gps_map_add_track (OsmGpsMap *map, GSList *track) | ||
1616 | { | ||
1617 | OsmGpsMapPrivate *priv; | ||
1618 | |||
1619 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1620 | priv = map->priv; | ||
1621 | |||
1622 | if (track) { | ||
1623 | priv->tracks = g_slist_append(priv->tracks, track); | ||
1624 | osm_gps_map_map_redraw_idle(map); | ||
1625 | } | ||
1626 | } | ||
1627 | |||
1628 | void | ||
1629 | osm_gps_map_clear_tracks (OsmGpsMap *map) | ||
1630 | { | ||
1631 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1632 | |||
1633 | osm_gps_map_free_tracks(map); | ||
1634 | osm_gps_map_map_redraw_idle(map); | ||
1635 | } | ||
1636 | |||
1637 | void | ||
1638 | osm_gps_map_add_image (OsmGpsMap *map, float latitude, float longitude, GdkPixbuf *image) | ||
1639 | { | ||
1640 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1641 | |||
1642 | if (image) { | ||
1643 | OsmGpsMapPrivate *priv = map->priv; | ||
1644 | image_t *im; | ||
1645 | |||
1646 | //cache w/h for speed, and add image to list | ||
1647 | im = g_new0(image_t,1); | ||
1648 | im->w = gdk_pixbuf_get_width(image); | ||
1649 | im->h = gdk_pixbuf_get_height(image); | ||
1650 | im->pt.rlat = deg2rad(latitude); | ||
1651 | im->pt.rlon = deg2rad(longitude); | ||
1652 | |||
1653 | g_object_ref(image); | ||
1654 | im->image = image; | ||
1655 | |||
1656 | priv->images = g_slist_append(priv->images, im); | ||
1657 | |||
1658 | osm_gps_map_map_redraw_idle(map); | ||
1659 | } | ||
1660 | } | ||
1661 | |||
1662 | gboolean | ||
1663 | osm_gps_map_remove_image (OsmGpsMap *map, GdkPixbuf *image) | ||
1664 | { | ||
1665 | OsmGpsMapPrivate *priv = map->priv; | ||
1666 | if (priv->images) { | ||
1667 | GSList *list; | ||
1668 | for(list = priv->images; list != NULL; list = list->next) | ||
1669 | { | ||
1670 | image_t *im = list->data; | ||
1671 | if (im->image == image) | ||
1672 | { | ||
1673 | priv->images = g_slist_remove_link(priv->images, list); | ||
1674 | g_object_unref(im->image); | ||
1675 | g_free(im); | ||
1676 | osm_gps_map_map_redraw_idle(map); | ||
1677 | return TRUE; | ||
1678 | } | ||
1679 | } | ||
1680 | } | ||
1681 | return FALSE; | ||
1682 | } | ||
1683 | |||
1684 | void | ||
1685 | osm_gps_map_clear_images (OsmGpsMap *map) | ||
1686 | { | ||
1687 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1688 | |||
1689 | osm_gps_map_free_images(map); | ||
1690 | osm_gps_map_map_redraw_idle(map); | ||
1691 | } | ||
1692 | |||
1693 | void | ||
1694 | osm_gps_map_osd_speed (OsmGpsMap *map, float speed) | ||
1695 | { | ||
1696 | OsmGpsMapPrivate *priv; | ||
1697 | |||
1698 | PangoContext *context = NULL; | ||
1699 | PangoLayout *layout = NULL; | ||
1700 | PangoFontDescription *desc = NULL; | ||
1701 | |||
1702 | GdkColor color; | ||
1703 | GdkGC *gc; | ||
1704 | |||
1705 | gchar *buffer; | ||
1706 | //static int x = 10, y = 10; | ||
1707 | static int width = 0, height = 0; | ||
1708 | |||
1709 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1710 | priv = map->priv; | ||
1711 | |||
1712 | buffer = g_strdup_printf("%.0f", speed); | ||
1713 | |||
1714 | /* pango initialisation */ | ||
1715 | context = gtk_widget_get_pango_context (GTK_WIDGET(map)); | ||
1716 | layout = pango_layout_new (context); | ||
1717 | desc = pango_font_description_new(); | ||
1718 | |||
1719 | pango_font_description_set_size (desc, 40 * PANGO_SCALE); | ||
1720 | pango_layout_set_font_description (layout, desc); | ||
1721 | pango_layout_set_text (layout, buffer, strlen(buffer)); | ||
1722 | |||
1723 | gc = gdk_gc_new (GTK_WIDGET(map)->window); | ||
1724 | |||
1725 | color.red = (0 > 50) ? 0xffff : 0; | ||
1726 | color.green = 0; | ||
1727 | color.blue = 0; | ||
1728 | |||
1729 | gdk_gc_set_rgb_fg_color (gc, &color); | ||
1730 | |||
1731 | /* faster / less flicker alternative:*/ | ||
1732 | gdk_draw_drawable ( | ||
1733 | GTK_WIDGET(map)->window, | ||
1734 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(map)], | ||
1735 | priv->pixmap, | ||
1736 | 0,0, | ||
1737 | 0,0, | ||
1738 | width+10,width+10); | ||
1739 | |||
1740 | gdk_draw_layout(GTK_WIDGET(map)->window, | ||
1741 | gc, | ||
1742 | 0, 0, | ||
1743 | layout); | ||
1744 | |||
1745 | /* set width and height */ | ||
1746 | pango_layout_get_pixel_size(layout, &width, &height); | ||
1747 | |||
1748 | g_free(buffer); | ||
1749 | pango_font_description_free (desc); | ||
1750 | g_object_unref (layout); | ||
1751 | g_object_unref (gc); | ||
1752 | } | ||
1753 | |||
1754 | void | ||
1755 | osm_gps_map_draw_gps (OsmGpsMap *map, float latitude, float longitude, float heading) | ||
1756 | { | ||
1757 | int pixel_x, pixel_y; | ||
1758 | OsmGpsMapPrivate *priv; | ||
1759 | |||
1760 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1761 | priv = map->priv; | ||
1762 | |||
1763 | priv->gps->rlat = deg2rad(latitude); | ||
1764 | priv->gps->rlon = deg2rad(longitude); | ||
1765 | priv->gps_valid = TRUE; | ||
1766 | |||
1767 | // pixel_x,y, offsets | ||
1768 | pixel_x = lon2pixel(priv->map_zoom, priv->gps->rlon); | ||
1769 | pixel_y = lat2pixel(priv->map_zoom, priv->gps->rlat); | ||
1770 | |||
1771 | //If trip marker add to list of gps points. | ||
1772 | if (priv->record_trip_history) { | ||
1773 | coord_t *tp = g_new0(coord_t,1); | ||
1774 | tp->rlat = priv->gps->rlat; | ||
1775 | tp->rlon = priv->gps->rlon; | ||
1776 | priv->trip_history = g_slist_append(priv->trip_history, tp); | ||
1777 | } | ||
1778 | |||
1779 | // dont draw anything if we are dragging | ||
1780 | if (priv->dragging) { | ||
1781 | g_debug("Dragging"); | ||
1782 | return; | ||
1783 | } | ||
1784 | |||
1785 | //Automatically center the map if the track approaches the edge | ||
1786 | if(priv->map_auto_center) { | ||
1787 | int x = pixel_x - priv->map_x; | ||
1788 | int y = pixel_y - priv->map_y; | ||
1789 | int width = GTK_WIDGET(map)->allocation.width; | ||
1790 | int height = GTK_WIDGET(map)->allocation.height; | ||
1791 | if( x < (width/2 - width/8) || x > (width/2 + width/8) || | ||
1792 | y < (height/2 - height/8) || y > (height/2 + height/8)) { | ||
1793 | |||
1794 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; | ||
1795 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; | ||
1796 | priv->center_coord_set = FALSE; | ||
1797 | } | ||
1798 | } | ||
1799 | |||
1800 | // this redraws the map (including the gps track, and adjusts the | ||
1801 | // map center if it was changed | ||
1802 | osm_gps_map_map_redraw_idle(map); | ||
1803 | } | ||
1804 | |||
1805 | void | ||
1806 | osm_gps_map_clear_gps (OsmGpsMap *map) | ||
1807 | { | ||
1808 | osm_gps_map_free_trip(map); | ||
1809 | osm_gps_map_map_redraw_idle(map); | ||
1810 | } | ||
1811 | |||
1812 | coord_t | ||
1813 | osm_gps_map_get_co_ordinates (OsmGpsMap *map, int pixel_x, int pixel_y) | ||
1814 | { | ||
1815 | coord_t coord; | ||
1816 | OsmGpsMapPrivate *priv = map->priv; | ||
1817 | |||
1818 | coord.rlat = pixel2lat(priv->map_zoom, priv->map_y + pixel_y); | ||
1819 | coord.rlon = pixel2lon(priv->map_zoom, priv->map_x + pixel_x); | ||
1820 | return coord; | ||
1821 | } | ||
1822 | |||
1823 | GtkWidget * | ||
1824 | osm_gps_map_new (void) | ||
1825 | { | ||
1826 | return g_object_new (OSM_TYPE_GPS_MAP, NULL); | ||
1827 | } | ||
1828 | |||
1829 | void | ||
1830 | osm_gps_map_screen_to_geographic (OsmGpsMap *map, gint pixel_x, gint pixel_y, | ||
1831 | gfloat *latitude, gfloat *longitude) | ||
1832 | { | ||
1833 | OsmGpsMapPrivate *priv; | ||
1834 | |||
1835 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1836 | priv = map->priv; | ||
1837 | |||
1838 | if (latitude) | ||
1839 | *latitude = rad2deg(pixel2lat(priv->map_zoom, priv->map_y + pixel_y)); | ||
1840 | if (longitude) | ||
1841 | *longitude = rad2deg(pixel2lon(priv->map_zoom, priv->map_x + pixel_x)); | ||
1842 | } | ||
1843 | |||
1844 | void | ||
1845 | osm_gps_map_geographic_to_screen (OsmGpsMap *map, | ||
1846 | gfloat latitude, gfloat longitude, | ||
1847 | gint *pixel_x, gint *pixel_y) | ||
1848 | { | ||
1849 | OsmGpsMapPrivate *priv; | ||
1850 | |||
1851 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1852 | priv = map->priv; | ||
1853 | |||
1854 | if (pixel_x) | ||
1855 | *pixel_x = lon2pixel(priv->map_zoom, deg2rad(longitude)) - priv->map_x; | ||
1856 | if (pixel_y) | ||
1857 | *pixel_y = lat2pixel(priv->map_zoom, deg2rad(latitude)) - priv->map_y; | ||
1858 | } | ||
1859 | |||
1860 | void | ||
1861 | osm_gps_map_scroll (OsmGpsMap *map, gint dx, gint dy) | ||
1862 | { | ||
1863 | OsmGpsMapPrivate *priv; | ||
1864 | |||
1865 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1866 | priv = map->priv; | ||
1867 | |||
1868 | priv->center_coord_set = FALSE; | ||
1869 | priv->map_x += dx; | ||
1870 | priv->map_y += dy; | ||
1871 | |||
1872 | osm_gps_map_map_redraw_idle (map); | ||
1873 | } | ||
1874 | |||
1875 | float | ||
1876 | osm_gps_map_get_scale(OsmGpsMap *map) | ||
1877 | { | ||
1878 | OsmGpsMapPrivate *priv; | ||
1879 | |||
1880 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), OSM_NAN); | ||
1881 | priv = map->priv; | ||
1882 | |||
1883 | return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon); | ||
1884 | } | ||
1885 | |||
1886 | #ifdef ENABLE_BALLOON | ||
1887 | void | ||
1888 | osm_gps_map_draw_balloon (OsmGpsMap *map, float latitude, float longitude, | ||
1889 | OsmGpsMapBalloonCallback cb, gpointer data) | ||
1890 | { | ||
1891 | OsmGpsMapPrivate *priv; | ||
1892 | |||
1893 | /* remove and previously installed balloon */ | ||
1894 | osm_gps_map_clear_balloon (map); | ||
1895 | |||
1896 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1897 | priv = map->priv; | ||
1898 | |||
1899 | priv->balloon.coo->rlat = deg2rad(latitude); | ||
1900 | priv->balloon.coo->rlon = deg2rad(longitude); | ||
1901 | priv->balloon.valid = TRUE; | ||
1902 | |||
1903 | priv->balloon.cb = cb; | ||
1904 | priv->balloon.data = data; | ||
1905 | |||
1906 | // this redraws the map | ||
1907 | osm_gps_map_map_redraw_idle(map); | ||
1908 | } | ||
1909 | |||
1910 | void | ||
1911 | osm_gps_map_clear_balloon (OsmGpsMap *map) | ||
1912 | { | ||
1913 | OsmGpsMapPrivate *priv; | ||
1914 | |||
1915 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1916 | priv = map->priv; | ||
1917 | |||
1918 | priv->balloon.valid = FALSE; | ||
1919 | |||
1920 | osm_gps_map_map_redraw_idle(map); | ||
1921 | } | ||
1922 | #endif | ||
1923 | |||
1924 | #ifdef ENABLE_OSD | ||
1925 | void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdGpsCallback cb, gpointer data) { | ||
1926 | OsmGpsMapPrivate *priv; | ||
1927 | |||
1928 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
1929 | priv = map->priv; | ||
1930 | |||
1931 | priv->osd.cb = cb; | ||
1932 | priv->osd.data = data; | ||
1933 | |||
1934 | /* this may have changed the state of the gps button */ | ||
1935 | /* we thus re-render the overlay */ | ||
1936 | osm_gps_map_osd_render(priv); | ||
1937 | |||
1938 | osm_gps_map_map_redraw_idle(map); | ||
1939 | } | ||
1940 | #endif |