Parent Directory | Revision Log
Various small bug fixes
1 | harbaum | 71 | /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4 -*- */ |
2 | /* vim:set et sw=4 ts=4 cino=t0,(0: */ | ||
3 | harbaum | 70 | /* |
4 | * Copyright (C) Till Harbaum 2009 <till@harbaum.org> | ||
5 | * | ||
6 | * osm-gps-map is free software: you can redistribute it and/or modify it | ||
7 | * under the terms of the GNU General Public License as published by the | ||
8 | * Free Software Foundation, either version 3 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * osm-gps-map is distributed in the hope that it will be useful, but | ||
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | ||
14 | * See the GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License along | ||
17 | * with this program. If not, see <http://www.gnu.org/licenses/>. | ||
18 | */ | ||
19 | |||
20 | harbaum | 73 | #include "config.h" |
21 | #include <stdlib.h> // abs | ||
22 | harbaum | 124 | #include <string.h> |
23 | harbaum | 87 | #include <math.h> // M_PI/cos() |
24 | harbaum | 70 | |
25 | harbaum | 71 | /* parameters that can be overwritten from the config file: */ |
26 | harbaum | 77 | /* OSD_DIAMETER */ |
27 | /* OSD_X, OSD_Y */ | ||
28 | harbaum | 71 | |
29 | #ifndef USE_CAIRO | ||
30 | #error "OSD control display lacks a non-cairo implementation!" | ||
31 | harbaum | 70 | #endif |
32 | |||
33 | harbaum | 71 | #include <cairo.h> |
34 | |||
35 | #include "osm-gps-map.h" | ||
36 | harbaum | 112 | #include "converter.h" |
37 | harbaum | 73 | #include "osm-gps-map-osd-classic.h" |
38 | harbaum | 71 | |
39 | harbaum | 70 | //the osd controls |
40 | typedef struct { | ||
41 | harbaum | 74 | /* the offscreen representation of the OSD */ |
42 | harbaum | 108 | struct { |
43 | cairo_surface_t *surface; | ||
44 | gboolean rendered; | ||
45 | #ifdef OSD_GPS_BUTTON | ||
46 | gboolean gps_enabled; | ||
47 | #endif | ||
48 | } controls; | ||
49 | harbaum | 86 | |
50 | harbaum | 112 | #ifdef OSD_BALLOON |
51 | //a balloon with additional info | ||
52 | struct { | ||
53 | cairo_surface_t *surface; | ||
54 | harbaum | 113 | int orientation, offset_x, offset_y; |
55 | harbaum | 112 | |
56 | harbaum | 114 | gboolean just_created; |
57 | harbaum | 112 | float lat, lon; |
58 | OsmGpsMapRect_t rect; | ||
59 | |||
60 | /* function called to have the user app draw the contents */ | ||
61 | OsmGpsMapBalloonCallback cb; | ||
62 | gpointer data; | ||
63 | } balloon; | ||
64 | #endif | ||
65 | |||
66 | harbaum | 98 | #ifdef OSD_SCALE |
67 | harbaum | 110 | struct { |
68 | cairo_surface_t *surface; | ||
69 | int zoom; | ||
70 | } scale; | ||
71 | harbaum | 98 | #endif |
72 | harbaum | 110 | |
73 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
74 | harbaum | 110 | struct { |
75 | cairo_surface_t *surface; | ||
76 | gboolean rendered; | ||
77 | } crosshair; | ||
78 | harbaum | 105 | #endif |
79 | |||
80 | harbaum | 122 | #ifdef OSD_NAV |
81 | struct { | ||
82 | cairo_surface_t *surface; | ||
83 | harbaum | 123 | float lat, lon; |
84 | char *name; | ||
85 | harbaum | 226 | gboolean imperial, mode; // display distance imperial/metric |
86 | int click_sep; | ||
87 | harbaum | 122 | } nav; |
88 | #endif | ||
89 | |||
90 | harbaum | 106 | #ifdef OSD_COORDINATES |
91 | harbaum | 110 | struct { |
92 | cairo_surface_t *surface; | ||
93 | float lat, lon; | ||
94 | } coordinates; | ||
95 | harbaum | 106 | #endif |
96 | |||
97 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
98 | harbaum | 110 | struct { |
99 | /* values to handle the "source" menu */ | ||
100 | cairo_surface_t *surface; | ||
101 | gboolean expanded; | ||
102 | gint shift, dir, count; | ||
103 | gint handler_id; | ||
104 | gint width, height; | ||
105 | harbaum | 111 | gboolean rendered; |
106 | harbaum | 110 | } source_sel; |
107 | harbaum | 88 | #endif |
108 | harbaum | 87 | |
109 | harbaum | 70 | } osd_priv_t; |
110 | |||
111 | harbaum | 112 | #ifdef OSD_BALLOON |
112 | /* most visual effects are hardcoded by now, but may be made */ | ||
113 | /* available via properties later */ | ||
114 | #ifndef BALLOON_AREA_WIDTH | ||
115 | #define BALLOON_AREA_WIDTH 290 | ||
116 | #endif | ||
117 | #ifndef BALLOON_AREA_HEIGHT | ||
118 | #define BALLOON_AREA_HEIGHT 75 | ||
119 | #endif | ||
120 | #ifndef BALLOON_CORNER_RADIUS | ||
121 | #define BALLOON_CORNER_RADIUS 10 | ||
122 | #endif | ||
123 | |||
124 | #define BALLOON_BORDER (BALLOON_CORNER_RADIUS/2) | ||
125 | #define BALLOON_WIDTH (BALLOON_AREA_WIDTH + 2 * BALLOON_BORDER) | ||
126 | #define BALLOON_HEIGHT (BALLOON_AREA_HEIGHT + 2 * BALLOON_BORDER) | ||
127 | #define BALLOON_TRANSPARENCY 0.8 | ||
128 | #define POINTER_HEIGHT 20 | ||
129 | #define POINTER_FOOT_WIDTH 20 | ||
130 | #define POINTER_OFFSET (BALLOON_CORNER_RADIUS*3/4) | ||
131 | #define BALLOON_SHADOW (BALLOON_CORNER_RADIUS/2) | ||
132 | #define BALLOON_SHADOW_TRANSPARENCY 0.2 | ||
133 | |||
134 | harbaum | 113 | #define BALLOON_W (BALLOON_WIDTH + BALLOON_SHADOW) |
135 | #define BALLOON_H (BALLOON_HEIGHT + POINTER_HEIGHT + BALLOON_SHADOW) | ||
136 | |||
137 | harbaum | 112 | #define CLOSE_BUTTON_RADIUS (BALLOON_CORNER_RADIUS) |
138 | |||
139 | harbaum | 150 | #if 0 |
140 | harbaum | 143 | #define FIN printf("entering function %s\n", __func__); |
141 | #define FOUT printf("leaving function %s\n", __func__); | ||
142 | harbaum | 150 | #else |
143 | #define FIN ; | ||
144 | #define FOUT ; | ||
145 | #endif | ||
146 | harbaum | 112 | |
147 | /* draw the bubble shape. this is used twice, once for the shape and once */ | ||
148 | /* for the shadow */ | ||
149 | static void | ||
150 | osm_gps_map_draw_balloon_shape (cairo_t *cr, int x0, int y0, int x1, int y1, | ||
151 | gboolean bottom, int px, int py, int px0, int px1) { | ||
152 | |||
153 | harbaum | 143 | FIN; |
154 | |||
155 | harbaum | 112 | cairo_move_to (cr, x0, y0 + BALLOON_CORNER_RADIUS); |
156 | cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, | ||
157 | BALLOON_CORNER_RADIUS, -M_PI, -M_PI/2); | ||
158 | if(!bottom) { | ||
159 | /* insert top pointer */ | ||
160 | cairo_line_to (cr, px1, y0); | ||
161 | cairo_line_to (cr, px, py); | ||
162 | cairo_line_to (cr, px0, y0); | ||
163 | } | ||
164 | |||
165 | cairo_line_to (cr, x1 - BALLOON_CORNER_RADIUS, y0); | ||
166 | cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, | ||
167 | BALLOON_CORNER_RADIUS, -M_PI/2, 0); | ||
168 | cairo_line_to (cr, x1 , y1 - BALLOON_CORNER_RADIUS); | ||
169 | cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, | ||
170 | BALLOON_CORNER_RADIUS, 0, M_PI/2); | ||
171 | if(bottom) { | ||
172 | /* insert bottom pointer */ | ||
173 | cairo_line_to (cr, px0, y1); | ||
174 | cairo_line_to (cr, px, py); | ||
175 | cairo_line_to (cr, px1, y1); | ||
176 | } | ||
177 | |||
178 | cairo_line_to (cr, x0 + BALLOON_CORNER_RADIUS, y1); | ||
179 | cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, | ||
180 | BALLOON_CORNER_RADIUS, M_PI/2, M_PI); | ||
181 | |||
182 | cairo_close_path (cr); | ||
183 | harbaum | 143 | |
184 | FOUT; | ||
185 | harbaum | 112 | } |
186 | |||
187 | static void | ||
188 | osd_render_balloon(osm_gps_map_osd_t *osd) { | ||
189 | harbaum | 143 | FIN; |
190 | |||
191 | harbaum | 112 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
192 | |||
193 | harbaum | 150 | if(!priv->balloon.surface) |
194 | return; | ||
195 | |||
196 | harbaum | 112 | /* get zoom */ |
197 | gint zoom; | ||
198 | g_object_get(OSM_GPS_MAP(osd->widget), "zoom", &zoom, NULL); | ||
199 | |||
200 | /* ------- convert given coordinate into screen position --------- */ | ||
201 | harbaum | 113 | gint xs, ys; |
202 | harbaum | 112 | osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), |
203 | priv->balloon.lat, priv->balloon.lon, | ||
204 | harbaum | 113 | &xs, &ys); |
205 | harbaum | 112 | |
206 | harbaum | 113 | gint x0 = 1, y0 = 1; |
207 | |||
208 | harbaum | 112 | /* check position of this relative to screen center to determine */ |
209 | /* pointer direction ... */ | ||
210 | harbaum | 113 | int pointer_x, pointer_x0, pointer_x1; |
211 | int pointer_y; | ||
212 | harbaum | 112 | |
213 | /* ... and calculate position */ | ||
214 | harbaum | 113 | int orientation = 0; |
215 | if(xs > osd->widget->allocation.width/2) { | ||
216 | priv->balloon.offset_x = -BALLOON_WIDTH + POINTER_OFFSET; | ||
217 | pointer_x = x0 - priv->balloon.offset_x; | ||
218 | harbaum | 112 | pointer_x0 = pointer_x - (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
219 | pointer_x1 = pointer_x0 - POINTER_FOOT_WIDTH; | ||
220 | harbaum | 113 | orientation |= 1; |
221 | harbaum | 112 | } else { |
222 | harbaum | 113 | priv->balloon.offset_x = -POINTER_OFFSET; |
223 | pointer_x = x0 - priv->balloon.offset_x; | ||
224 | harbaum | 112 | pointer_x1 = pointer_x + (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
225 | pointer_x0 = pointer_x1 + POINTER_FOOT_WIDTH; | ||
226 | } | ||
227 | |||
228 | gboolean bottom = FALSE; | ||
229 | harbaum | 113 | if(ys > osd->widget->allocation.height/2) { |
230 | priv->balloon.offset_y = -BALLOON_HEIGHT - POINTER_HEIGHT; | ||
231 | pointer_y = y0 - priv->balloon.offset_y; | ||
232 | harbaum | 112 | bottom = TRUE; |
233 | harbaum | 113 | orientation |= 2; |
234 | } else { | ||
235 | priv->balloon.offset_y = 0; | ||
236 | pointer_y = y0 - priv->balloon.offset_y; | ||
237 | harbaum | 112 | y0 += POINTER_HEIGHT; |
238 | harbaum | 113 | } |
239 | harbaum | 112 | |
240 | harbaum | 113 | /* if required orientation equals current one, then don't render */ |
241 | /* anything */ | ||
242 | if(orientation == priv->balloon.orientation) | ||
243 | return; | ||
244 | |||
245 | priv->balloon.orientation = orientation; | ||
246 | |||
247 | harbaum | 112 | /* calculate bottom/right of box */ |
248 | int x1 = x0 + BALLOON_WIDTH, y1 = y0 + BALLOON_HEIGHT; | ||
249 | |||
250 | /* save balloon screen coordinates for later use */ | ||
251 | priv->balloon.rect.x = x0 + BALLOON_BORDER; | ||
252 | priv->balloon.rect.y = y0 + BALLOON_BORDER; | ||
253 | priv->balloon.rect.w = x1 - x0 - 2*BALLOON_BORDER; | ||
254 | priv->balloon.rect.h = y1 - y0 - 2*BALLOON_BORDER; | ||
255 | |||
256 | harbaum | 152 | g_assert(priv->balloon.surface); |
257 | harbaum | 112 | cairo_t *cr = cairo_create(priv->balloon.surface); |
258 | harbaum | 113 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
259 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); | ||
260 | cairo_paint(cr); | ||
261 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
262 | harbaum | 112 | |
263 | /* --------- draw shadow --------------- */ | ||
264 | osm_gps_map_draw_balloon_shape (cr, | ||
265 | x0 + BALLOON_SHADOW, y0 + BALLOON_SHADOW, | ||
266 | x1 + BALLOON_SHADOW, y1 + BALLOON_SHADOW, | ||
267 | bottom, pointer_x, pointer_y, | ||
268 | pointer_x0 + BALLOON_SHADOW, pointer_x1 + BALLOON_SHADOW); | ||
269 | |||
270 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_SHADOW_TRANSPARENCY); | ||
271 | cairo_fill_preserve (cr); | ||
272 | cairo_set_source_rgba (cr, 1, 0, 0, 1.0); | ||
273 | cairo_set_line_width (cr, 0); | ||
274 | cairo_stroke (cr); | ||
275 | |||
276 | /* --------- draw main shape ----------- */ | ||
277 | osm_gps_map_draw_balloon_shape (cr, x0, y0, x1, y1, | ||
278 | bottom, pointer_x, pointer_y, pointer_x0, pointer_x1); | ||
279 | |||
280 | cairo_set_source_rgba (cr, 1, 1, 1, BALLOON_TRANSPARENCY); | ||
281 | cairo_fill_preserve (cr); | ||
282 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_TRANSPARENCY); | ||
283 | cairo_set_line_width (cr, 1); | ||
284 | cairo_stroke (cr); | ||
285 | |||
286 | if (priv->balloon.cb) { | ||
287 | harbaum | 136 | osm_gps_map_balloon_event_t event; |
288 | |||
289 | harbaum | 112 | /* clip in case application tries to draw in */ |
290 | /* exceed of the balloon */ | ||
291 | cairo_rectangle (cr, priv->balloon.rect.x, priv->balloon.rect.y, | ||
292 | priv->balloon.rect.w, priv->balloon.rect.h); | ||
293 | cairo_clip (cr); | ||
294 | harbaum | 136 | cairo_new_path (cr); /* current path is not consumed by cairo_clip */ |
295 | |||
296 | /* request the application to draw the balloon contents */ | ||
297 | event.type = OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW; | ||
298 | event.data.draw.rect = &priv->balloon.rect; | ||
299 | event.data.draw.cr = cr; | ||
300 | harbaum | 112 | |
301 | harbaum | 136 | priv->balloon.cb(&event, priv->balloon.data); |
302 | harbaum | 112 | } |
303 | harbaum | 113 | |
304 | harbaum | 112 | cairo_destroy(cr); |
305 | harbaum | 143 | |
306 | FOUT; | ||
307 | harbaum | 112 | } |
308 | |||
309 | /* return true if balloon is being displayed and if */ | ||
310 | /* the given coordinate is within this balloon */ | ||
311 | static gboolean | ||
312 | harbaum | 136 | osd_balloon_check(osm_gps_map_osd_t *osd, gboolean click, gboolean down, gint x, gint y) |
313 | harbaum | 112 | { |
314 | harbaum | 143 | FIN; |
315 | |||
316 | harbaum | 113 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
317 | harbaum | 112 | |
318 | harbaum | 113 | if(!priv->balloon.surface) |
319 | harbaum | 112 | return FALSE; |
320 | |||
321 | harbaum | 113 | gint xs, ys; |
322 | osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), | ||
323 | priv->balloon.lat, priv->balloon.lon, | ||
324 | &xs, &ys); | ||
325 | harbaum | 112 | |
326 | harbaum | 113 | xs += priv->balloon.rect.x + priv->balloon.offset_x; |
327 | ys += priv->balloon.rect.y + priv->balloon.offset_y; | ||
328 | harbaum | 112 | |
329 | harbaum | 114 | gboolean is_in = |
330 | (x > xs) && (x < xs + priv->balloon.rect.w) && | ||
331 | (y > ys) && (y < ys + priv->balloon.rect.h); | ||
332 | |||
333 | harbaum | 136 | /* is this a real click or is the application just checking for something? */ |
334 | if(click) { | ||
335 | harbaum | 114 | |
336 | harbaum | 136 | /* handle the fact that the balloon may have been created by the */ |
337 | /* button down event */ | ||
338 | if(!is_in && !down && !priv->balloon.just_created) { | ||
339 | /* the user actually clicked outside the balloon */ | ||
340 | |||
341 | /* close the balloon! */ | ||
342 | osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(osd->widget)); | ||
343 | |||
344 | /* and inform application about this */ | ||
345 | if(priv->balloon.cb) { | ||
346 | osm_gps_map_balloon_event_t event; | ||
347 | event.type = OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED; | ||
348 | priv->balloon.cb(&event, priv->balloon.data); | ||
349 | } | ||
350 | |||
351 | } | ||
352 | |||
353 | if(is_in && priv->balloon.cb) { | ||
354 | osm_gps_map_balloon_event_t event; | ||
355 | |||
356 | /* notify application of click */ | ||
357 | event.type = OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK; | ||
358 | event.data.click.x = x - xs; | ||
359 | event.data.click.y = y - ys; | ||
360 | event.data.click.down = down; | ||
361 | |||
362 | priv->balloon.cb(&event, priv->balloon.data); | ||
363 | } | ||
364 | harbaum | 114 | } |
365 | harbaum | 143 | FOUT; |
366 | harbaum | 114 | return is_in; |
367 | harbaum | 113 | } |
368 | harbaum | 112 | |
369 | harbaum | 113 | void osm_gps_map_osd_clear_balloon (OsmGpsMap *map) { |
370 | harbaum | 143 | FIN; |
371 | |||
372 | harbaum | 112 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
373 | |||
374 | harbaum | 113 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
375 | g_return_if_fail (osd); | ||
376 | harbaum | 112 | |
377 | harbaum | 113 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
378 | g_return_if_fail (priv); | ||
379 | harbaum | 112 | |
380 | harbaum | 113 | if(priv->balloon.surface) { |
381 | cairo_surface_destroy(priv->balloon.surface); | ||
382 | priv->balloon.surface = NULL; | ||
383 | priv->balloon.lat = OSM_GPS_MAP_INVALID; | ||
384 | priv->balloon.lon = OSM_GPS_MAP_INVALID; | ||
385 | } | ||
386 | osm_gps_map_redraw(map); | ||
387 | harbaum | 143 | FOUT; |
388 | harbaum | 112 | } |
389 | |||
390 | void | ||
391 | harbaum | 113 | osm_gps_map_osd_draw_balloon (OsmGpsMap *map, float latitude, float longitude, |
392 | OsmGpsMapBalloonCallback cb, gpointer data) { | ||
393 | harbaum | 143 | FIN; |
394 | harbaum | 112 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
395 | |||
396 | harbaum | 113 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
397 | g_return_if_fail (osd); | ||
398 | harbaum | 112 | |
399 | harbaum | 113 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
400 | g_return_if_fail (priv); | ||
401 | harbaum | 112 | |
402 | harbaum | 113 | osm_gps_map_osd_clear_balloon (map); |
403 | |||
404 | /* allocate balloon surface */ | ||
405 | priv->balloon.surface = | ||
406 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, | ||
407 | BALLOON_W+2, BALLOON_H+2); | ||
408 | |||
409 | priv->balloon.lat = latitude; | ||
410 | priv->balloon.lon = longitude; | ||
411 | priv->balloon.cb = cb; | ||
412 | priv->balloon.data = data; | ||
413 | harbaum | 114 | priv->balloon.just_created = TRUE; |
414 | harbaum | 113 | |
415 | priv->balloon.orientation = -1; | ||
416 | |||
417 | osd_render_balloon(osd); | ||
418 | |||
419 | osm_gps_map_redraw(map); | ||
420 | harbaum | 143 | FOUT; |
421 | harbaum | 112 | } |
422 | |||
423 | #endif // OSD_BALLOON | ||
424 | |||
425 | harbaum | 70 | /* position and extent of bounding box */ |
426 | harbaum | 77 | #ifndef OSD_X |
427 | harbaum | 70 | #define OSD_X (10) |
428 | harbaum | 77 | #endif |
429 | |||
430 | #ifndef OSD_Y | ||
431 | harbaum | 70 | #define OSD_Y (10) |
432 | harbaum | 77 | #endif |
433 | harbaum | 70 | |
434 | /* parameters of the direction shape */ | ||
435 | harbaum | 77 | #ifndef OSD_DIAMETER |
436 | harbaum | 70 | #define D_RAD (30) // diameter of dpad |
437 | #else | ||
438 | harbaum | 77 | #define D_RAD (OSD_DIAMETER) |
439 | harbaum | 70 | #endif |
440 | #define D_TIP (4*D_RAD/5) // distance of arrow tip from dpad center | ||
441 | #define D_LEN (D_RAD/4) // length of arrow | ||
442 | #define D_WID (D_LEN) // width of arrow | ||
443 | |||
444 | /* parameters of the "zoom" pad */ | ||
445 | #define Z_STEP (D_RAD/4) // distance between dpad and zoom | ||
446 | #define Z_RAD (D_RAD/2) // radius of "caps" of zoom bar | ||
447 | |||
448 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
449 | harbaum | 70 | /* shadow also depends on control size */ |
450 | #define OSD_SHADOW (D_RAD/6) | ||
451 | harbaum | 74 | #else |
452 | #define OSD_SHADOW (0) | ||
453 | #endif | ||
454 | harbaum | 70 | |
455 | harbaum | 77 | /* normally the GPS button is in the center of the dpad. if there's */ |
456 | /* no dpad it will go into the zoom area */ | ||
457 | #if defined(OSD_GPS_BUTTON) && defined(OSD_NO_DPAD) | ||
458 | #define Z_GPS 1 | ||
459 | #else | ||
460 | #define Z_GPS 0 | ||
461 | #endif | ||
462 | |||
463 | harbaum | 70 | /* total width and height of controls incl. shadow */ |
464 | harbaum | 77 | #define OSD_W (2*D_RAD + OSD_SHADOW + Z_GPS * 2 * Z_RAD) |
465 | #if !Z_GPS | ||
466 | harbaum | 70 | #define OSD_H (2*D_RAD + Z_STEP + 2*Z_RAD + OSD_SHADOW) |
467 | harbaum | 77 | #else |
468 | #define OSD_H (2*Z_RAD + OSD_SHADOW) | ||
469 | #endif | ||
470 | harbaum | 70 | |
471 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
472 | harbaum | 70 | #define OSD_LBL_SHADOW (OSD_SHADOW/2) |
473 | harbaum | 74 | #endif |
474 | harbaum | 70 | |
475 | harbaum | 77 | #define Z_TOP ((1-Z_GPS) * (2 * D_RAD + Z_STEP)) |
476 | |||
477 | harbaum | 70 | #define Z_MID (Z_TOP + Z_RAD) |
478 | #define Z_BOT (Z_MID + Z_RAD) | ||
479 | #define Z_LEFT (Z_RAD) | ||
480 | harbaum | 77 | #define Z_RIGHT (2 * D_RAD - Z_RAD + Z_GPS * 2 * Z_RAD) |
481 | #define Z_CENTER ((Z_RIGHT + Z_LEFT)/2) | ||
482 | harbaum | 70 | |
483 | /* create the cairo shape used for the zoom buttons */ | ||
484 | static void | ||
485 | harbaum | 86 | osd_zoom_shape(cairo_t *cr, gint x, gint y) |
486 | harbaum | 71 | { |
487 | harbaum | 70 | cairo_move_to (cr, x+Z_LEFT, y+Z_TOP); |
488 | cairo_line_to (cr, x+Z_RIGHT, y+Z_TOP); | ||
489 | cairo_arc (cr, x+Z_RIGHT, y+Z_MID, Z_RAD, -M_PI/2, M_PI/2); | ||
490 | cairo_line_to (cr, x+Z_LEFT, y+Z_BOT); | ||
491 | cairo_arc (cr, x+Z_LEFT, y+Z_MID, Z_RAD, M_PI/2, -M_PI/2); | ||
492 | } | ||
493 | |||
494 | harbaum | 86 | /* ------------------- color/shadow functions ----------------- */ |
495 | |||
496 | #ifndef OSD_COLOR | ||
497 | /* if no color has been specified we just use the gdks default colors */ | ||
498 | static void | ||
499 | osd_labels(cairo_t *cr, gint width, gboolean enabled, | ||
500 | GdkColor *fg, GdkColor *disabled) { | ||
501 | if(enabled) gdk_cairo_set_source_color(cr, fg); | ||
502 | else gdk_cairo_set_source_color(cr, disabled); | ||
503 | cairo_set_line_width (cr, width); | ||
504 | } | ||
505 | #else | ||
506 | static void | ||
507 | osd_labels(cairo_t *cr, gint width, gboolean enabled) { | ||
508 | if(enabled) cairo_set_source_rgb (cr, OSD_COLOR); | ||
509 | else cairo_set_source_rgb (cr, OSD_COLOR_DISABLED); | ||
510 | cairo_set_line_width (cr, width); | ||
511 | } | ||
512 | #endif | ||
513 | |||
514 | #ifdef OSD_SHADOW_ENABLE | ||
515 | static void | ||
516 | osd_labels_shadow(cairo_t *cr, gint width, gboolean enabled) { | ||
517 | cairo_set_source_rgba (cr, 0, 0, 0, enabled?0.3:0.15); | ||
518 | cairo_set_line_width (cr, width); | ||
519 | } | ||
520 | #endif | ||
521 | |||
522 | harbaum | 76 | #ifndef OSD_NO_DPAD |
523 | harbaum | 70 | /* create the cairo shape used for the dpad */ |
524 | static void | ||
525 | harbaum | 86 | osd_dpad_shape(cairo_t *cr, gint x, gint y) |
526 | harbaum | 71 | { |
527 | harbaum | 70 | cairo_arc (cr, x+D_RAD, y+D_RAD, D_RAD, 0, 2 * M_PI); |
528 | } | ||
529 | harbaum | 76 | #endif |
530 | harbaum | 70 | |
531 | harbaum | 86 | #ifdef OSD_SHADOW_ENABLE |
532 | static void | ||
533 | osd_shape_shadow(cairo_t *cr) { | ||
534 | cairo_set_source_rgba (cr, 0, 0, 0, 0.2); | ||
535 | cairo_fill (cr); | ||
536 | cairo_stroke (cr); | ||
537 | } | ||
538 | #endif | ||
539 | |||
540 | #ifndef OSD_COLOR | ||
541 | /* if no color has been specified we just use the gdks default colors */ | ||
542 | static void | ||
543 | osd_shape(cairo_t *cr, GdkColor *bg, GdkColor *fg) { | ||
544 | gdk_cairo_set_source_color(cr, bg); | ||
545 | cairo_fill_preserve (cr); | ||
546 | gdk_cairo_set_source_color(cr, fg); | ||
547 | cairo_set_line_width (cr, 1); | ||
548 | cairo_stroke (cr); | ||
549 | } | ||
550 | #else | ||
551 | static void | ||
552 | osd_shape(cairo_t *cr) { | ||
553 | cairo_set_source_rgb (cr, OSD_COLOR_BG); | ||
554 | cairo_fill_preserve (cr); | ||
555 | cairo_set_source_rgb (cr, OSD_COLOR); | ||
556 | cairo_set_line_width (cr, 1); | ||
557 | cairo_stroke (cr); | ||
558 | } | ||
559 | #endif | ||
560 | |||
561 | |||
562 | harbaum | 70 | static gboolean |
563 | osm_gps_map_in_circle(gint x, gint y, gint cx, gint cy, gint rad) | ||
564 | { | ||
565 | harbaum | 143 | FIN; |
566 | harbaum | 70 | return( pow(cx - x, 2) + pow(cy - y, 2) < rad * rad); |
567 | } | ||
568 | |||
569 | harbaum | 76 | #ifndef OSD_NO_DPAD |
570 | harbaum | 70 | /* check whether x/y is within the dpad */ |
571 | static osd_button_t | ||
572 | harbaum | 86 | osd_check_dpad(gint x, gint y) |
573 | harbaum | 70 | { |
574 | /* within entire dpad circle */ | ||
575 | harbaum | 77 | if( osm_gps_map_in_circle(x, y, D_RAD, D_RAD, D_RAD)) |
576 | harbaum | 70 | { |
577 | /* convert into position relative to dpads centre */ | ||
578 | harbaum | 77 | x -= D_RAD; |
579 | y -= D_RAD; | ||
580 | harbaum | 70 | |
581 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
582 | harbaum | 70 | /* check for dpad center goes here! */ |
583 | if( osm_gps_map_in_circle(x, y, 0, 0, D_RAD/3)) | ||
584 | return OSD_GPS; | ||
585 | harbaum | 76 | #endif |
586 | harbaum | 70 | |
587 | if( y < 0 && abs(x) < abs(y)) | ||
588 | return OSD_UP; | ||
589 | |||
590 | if( y > 0 && abs(x) < abs(y)) | ||
591 | return OSD_DOWN; | ||
592 | |||
593 | if( x < 0 && abs(y) < abs(x)) | ||
594 | return OSD_LEFT; | ||
595 | |||
596 | if( x > 0 && abs(y) < abs(x)) | ||
597 | return OSD_RIGHT; | ||
598 | |||
599 | return OSD_BG; | ||
600 | } | ||
601 | return OSD_NONE; | ||
602 | } | ||
603 | harbaum | 76 | #endif |
604 | harbaum | 70 | |
605 | /* check whether x/y is within the zoom pads */ | ||
606 | static osd_button_t | ||
607 | harbaum | 86 | osd_check_zoom(gint x, gint y) { |
608 | harbaum | 77 | if( x > 0 && x < OSD_W && y > Z_TOP && y < Z_BOT) { |
609 | harbaum | 70 | |
610 | /* within circle around (-) label */ | ||
611 | harbaum | 77 | if( osm_gps_map_in_circle(x, y, Z_LEFT, Z_MID, Z_RAD)) |
612 | harbaum | 70 | return OSD_OUT; |
613 | |||
614 | harbaum | 77 | /* within circle around (+) label */ |
615 | if( osm_gps_map_in_circle(x, y, Z_RIGHT, Z_MID, Z_RAD)) | ||
616 | return OSD_IN; | ||
617 | |||
618 | #if Z_GPS == 1 | ||
619 | /* within square around center */ | ||
620 | if( x > Z_CENTER - Z_RAD && x < Z_CENTER + Z_RAD) | ||
621 | return OSD_GPS; | ||
622 | #endif | ||
623 | |||
624 | harbaum | 70 | /* between center of (-) button and center of entire zoom control area */ |
625 | harbaum | 77 | if(x > OSD_LEFT && x < D_RAD) |
626 | harbaum | 70 | return OSD_OUT; |
627 | |||
628 | /* between center of (+) button and center of entire zoom control area */ | ||
629 | harbaum | 77 | if(x < OSD_RIGHT && x > D_RAD) |
630 | harbaum | 70 | return OSD_IN; |
631 | } | ||
632 | |||
633 | return OSD_NONE; | ||
634 | } | ||
635 | |||
636 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
637 | |||
638 | harbaum | 86 | /* place source selection at right border */ |
639 | #define OSD_S_RAD (Z_RAD) | ||
640 | #define OSD_S_X (-OSD_X) | ||
641 | #define OSD_S_Y (OSD_Y) | ||
642 | #define OSD_S_PW (2 * Z_RAD) | ||
643 | #define OSD_S_W (OSD_S_PW) | ||
644 | #define OSD_S_PH (2 * Z_RAD) | ||
645 | #define OSD_S_H (OSD_S_PH + OSD_SHADOW) | ||
646 | |||
647 | harbaum | 87 | /* size of usable area when expanded */ |
648 | harbaum | 110 | #define OSD_S_AREA_W (priv->source_sel.width) |
649 | #define OSD_S_AREA_H (priv->source_sel.height) | ||
650 | harbaum | 86 | #define OSD_S_EXP_W (OSD_S_PW + OSD_S_AREA_W + OSD_SHADOW) |
651 | #define OSD_S_EXP_H (OSD_S_AREA_H + OSD_SHADOW) | ||
652 | |||
653 | /* internal value to draw the arrow on the "puller" */ | ||
654 | #define OSD_S_D0 (OSD_S_RAD/2) | ||
655 | harbaum | 87 | #ifndef OSD_FONT_SIZE |
656 | harbaum | 146 | #define OSD_FONT_SIZE (16.0) |
657 | harbaum | 87 | #endif |
658 | #define OSD_TEXT_BORDER (OSD_FONT_SIZE/2) | ||
659 | #define OSD_TEXT_SKIP (OSD_FONT_SIZE/8) | ||
660 | harbaum | 86 | |
661 | harbaum | 88 | /* draw the shape of the source selection OSD, either only the puller (not expanded) */ |
662 | /* or the entire menu incl. the puller (expanded) */ | ||
663 | harbaum | 86 | static void |
664 | osd_source_shape(osd_priv_t *priv, cairo_t *cr, gint x, gint y) { | ||
665 | harbaum | 110 | if(!priv->source_sel.expanded) { |
666 | harbaum | 86 | /* just draw the puller */ |
667 | cairo_move_to (cr, x + OSD_S_PW, y + OSD_S_PH); | ||
668 | cairo_arc (cr, x+OSD_S_RAD, y+OSD_S_RAD, OSD_S_RAD, M_PI/2, -M_PI/2); | ||
669 | cairo_line_to (cr, x + OSD_S_PW, y); | ||
670 | } else { | ||
671 | /* draw the puller and the area itself */ | ||
672 | cairo_move_to (cr, x + OSD_S_PW + OSD_S_AREA_W, y + OSD_S_AREA_H); | ||
673 | cairo_line_to (cr, x + OSD_S_PW, y + OSD_S_AREA_H); | ||
674 | if(OSD_S_Y > 0) { | ||
675 | cairo_line_to (cr, x + OSD_S_PW, y + OSD_S_PH); | ||
676 | cairo_arc (cr, x+OSD_S_RAD, y+OSD_S_RAD, OSD_S_RAD, M_PI/2, -M_PI/2); | ||
677 | } else { | ||
678 | cairo_arc (cr, x+OSD_S_RAD, y+OSD_S_AREA_H-OSD_S_RAD, OSD_S_RAD, M_PI/2, -M_PI/2); | ||
679 | cairo_line_to (cr, x + OSD_S_PW, y + OSD_S_AREA_H - OSD_S_PH); | ||
680 | cairo_line_to (cr, x + OSD_S_PW, y); | ||
681 | } | ||
682 | cairo_line_to (cr, x + OSD_S_PW + OSD_S_AREA_W, y); | ||
683 | cairo_close_path (cr); | ||
684 | } | ||
685 | } | ||
686 | |||
687 | static void | ||
688 | harbaum | 87 | osd_source_content(osm_gps_map_osd_t *osd, cairo_t *cr, gint offset) { |
689 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
690 | harbaum | 86 | |
691 | harbaum | 87 | int py = offset + OSD_S_RAD - OSD_S_D0; |
692 | |||
693 | harbaum | 110 | if(!priv->source_sel.expanded) { |
694 | harbaum | 86 | /* draw the "puller" open (<) arrow */ |
695 | harbaum | 87 | cairo_move_to (cr, offset + OSD_S_RAD + OSD_S_D0/2, py); |
696 | harbaum | 86 | cairo_rel_line_to (cr, -OSD_S_D0, +OSD_S_D0); |
697 | cairo_rel_line_to (cr, +OSD_S_D0, +OSD_S_D0); | ||
698 | } else { | ||
699 | if(OSD_S_Y < 0) | ||
700 | harbaum | 87 | py += OSD_S_AREA_H - OSD_S_PH; |
701 | harbaum | 86 | |
702 | /* draw the "puller" close (>) arrow */ | ||
703 | harbaum | 87 | cairo_move_to (cr, offset + OSD_S_RAD - OSD_S_D0/2, py); |
704 | harbaum | 86 | cairo_rel_line_to (cr, +OSD_S_D0, +OSD_S_D0); |
705 | cairo_rel_line_to (cr, -OSD_S_D0, +OSD_S_D0); | ||
706 | harbaum | 87 | cairo_stroke(cr); |
707 | |||
708 | /* don't draw a shadow for the text content */ | ||
709 | if(offset == 1) { | ||
710 | gint source; | ||
711 | g_object_get(osd->widget, "map-source", &source, NULL); | ||
712 | |||
713 | cairo_select_font_face (cr, "Sans", | ||
714 | CAIRO_FONT_SLANT_NORMAL, | ||
715 | CAIRO_FONT_WEIGHT_BOLD); | ||
716 | cairo_set_font_size (cr, OSD_FONT_SIZE); | ||
717 | |||
718 | harbaum | 110 | int i, step = (priv->source_sel.height - 2*OSD_TEXT_BORDER) / |
719 | harbaum | 89 | OSM_GPS_MAP_SOURCE_LAST; |
720 | harbaum | 87 | for(i=OSM_GPS_MAP_SOURCE_NULL+1;i<=OSM_GPS_MAP_SOURCE_LAST;i++) { |
721 | cairo_text_extents_t extents; | ||
722 | const char *src = osm_gps_map_source_get_friendly_name(i); | ||
723 | cairo_text_extents (cr, src, &extents); | ||
724 | |||
725 | int x = offset + OSD_S_PW + OSD_TEXT_BORDER; | ||
726 | int y = offset + step * (i-1) + OSD_TEXT_BORDER; | ||
727 | |||
728 | /* draw filled rectangle if selected */ | ||
729 | if(source == i) { | ||
730 | cairo_rectangle(cr, x - OSD_TEXT_BORDER/2, | ||
731 | y - OSD_TEXT_SKIP, | ||
732 | harbaum | 110 | priv->source_sel.width - OSD_TEXT_BORDER, |
733 | harbaum | 87 | step + OSD_TEXT_SKIP); |
734 | cairo_fill(cr); | ||
735 | |||
736 | /* temprarily draw with background color */ | ||
737 | #ifndef OSD_COLOR | ||
738 | GdkColor bg = osd->widget->style->bg[GTK_STATE_NORMAL]; | ||
739 | gdk_cairo_set_source_color(cr, &bg); | ||
740 | #else | ||
741 | cairo_set_source_rgb (cr, OSD_COLOR_BG); | ||
742 | #endif | ||
743 | } | ||
744 | |||
745 | cairo_move_to (cr, x, y + OSD_TEXT_SKIP - extents.y_bearing); | ||
746 | cairo_show_text (cr, src); | ||
747 | |||
748 | /* restore color */ | ||
749 | if(source == i) { | ||
750 | #ifndef OSD_COLOR | ||
751 | GdkColor fg = osd->widget->style->fg[GTK_STATE_NORMAL]; | ||
752 | gdk_cairo_set_source_color(cr, &fg); | ||
753 | #else | ||
754 | cairo_set_source_rgb (cr, OSD_COLOR); | ||
755 | #endif | ||
756 | } | ||
757 | } | ||
758 | } | ||
759 | harbaum | 86 | } |
760 | } | ||
761 | |||
762 | static void | ||
763 | harbaum | 111 | osd_render_source_sel(osm_gps_map_osd_t *osd, gboolean force_rerender) { |
764 | harbaum | 143 | FIN; |
765 | |||
766 | harbaum | 86 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
767 | |||
768 | harbaum | 150 | if(!priv->source_sel.surface || |
769 | (priv->source_sel.rendered && !force_rerender)) | ||
770 | harbaum | 111 | return; |
771 | |||
772 | priv->source_sel.rendered = TRUE; | ||
773 | |||
774 | harbaum | 86 | #ifndef OSD_COLOR |
775 | GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; | ||
776 | GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; | ||
777 | GdkColor da = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_INSENSITIVE]; | ||
778 | #endif | ||
779 | |||
780 | /* draw source selector */ | ||
781 | harbaum | 152 | g_assert(priv->source_sel.surface); |
782 | harbaum | 110 | cairo_t *cr = cairo_create(priv->source_sel.surface); |
783 | harbaum | 86 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
784 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); | ||
785 | cairo_paint(cr); | ||
786 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
787 | |||
788 | #ifdef OSD_SHADOW_ENABLE | ||
789 | osd_source_shape(priv, cr, 1+OSD_SHADOW, 1+OSD_SHADOW); | ||
790 | osd_shape_shadow(cr); | ||
791 | #endif | ||
792 | |||
793 | osd_source_shape(priv, cr, 1, 1); | ||
794 | #ifndef OSD_COLOR | ||
795 | osd_shape(cr, &bg, &fg); | ||
796 | #else | ||
797 | osd_shape(cr); | ||
798 | #endif | ||
799 | |||
800 | #ifdef OSD_SHADOW_ENABLE | ||
801 | osd_labels_shadow(cr, Z_RAD/3, TRUE); | ||
802 | harbaum | 87 | osd_source_content(osd, cr, 1+OSD_LBL_SHADOW); |
803 | cairo_stroke (cr); | ||
804 | harbaum | 86 | #endif |
805 | #ifndef OSD_COLOR | ||
806 | osd_labels(cr, Z_RAD/3, TRUE, &fg, &da); | ||
807 | #else | ||
808 | osd_labels(cr, Z_RAD/3, TRUE); | ||
809 | #endif | ||
810 | harbaum | 87 | osd_source_content(osd, cr, 1); |
811 | cairo_stroke (cr); | ||
812 | harbaum | 86 | |
813 | cairo_destroy(cr); | ||
814 | harbaum | 143 | FOUT; |
815 | harbaum | 86 | } |
816 | |||
817 | harbaum | 89 | /* re-allocate the buffer used to draw the menu. This is used */ |
818 | /* to collapse/expand the buffer */ | ||
819 | harbaum | 86 | static void |
820 | osd_source_reallocate(osm_gps_map_osd_t *osd) { | ||
821 | harbaum | 143 | FIN; |
822 | harbaum | 86 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
823 | |||
824 | /* re-allocate offscreen bitmap */ | ||
825 | harbaum | 110 | g_assert (priv->source_sel.surface); |
826 | harbaum | 86 | |
827 | int w = OSD_S_W, h = OSD_S_H; | ||
828 | harbaum | 110 | if(priv->source_sel.expanded) { |
829 | harbaum | 87 | cairo_text_extents_t extents; |
830 | |||
831 | /* determine content size */ | ||
832 | harbaum | 152 | g_assert(priv->source_sel.surface); |
833 | harbaum | 110 | cairo_t *cr = cairo_create(priv->source_sel.surface); |
834 | harbaum | 87 | cairo_select_font_face (cr, "Sans", |
835 | CAIRO_FONT_SLANT_NORMAL, | ||
836 | CAIRO_FONT_WEIGHT_BOLD); | ||
837 | cairo_set_font_size (cr, OSD_FONT_SIZE); | ||
838 | |||
839 | /* calculate menu size */ | ||
840 | int i, max_h = 0, max_w = 0; | ||
841 | for(i=OSM_GPS_MAP_SOURCE_NULL+1;i<=OSM_GPS_MAP_SOURCE_LAST;i++) { | ||
842 | const char *src = osm_gps_map_source_get_friendly_name(i); | ||
843 | cairo_text_extents (cr, src, &extents); | ||
844 | |||
845 | if(extents.width > max_w) max_w = extents.width; | ||
846 | if(extents.height > max_h) max_h = extents.height; | ||
847 | } | ||
848 | cairo_destroy(cr); | ||
849 | |||
850 | harbaum | 110 | priv->source_sel.width = max_w + 2*OSD_TEXT_BORDER; |
851 | priv->source_sel.height = OSM_GPS_MAP_SOURCE_LAST * | ||
852 | harbaum | 87 | (max_h + 2*OSD_TEXT_SKIP) + 2*OSD_TEXT_BORDER; |
853 | |||
854 | harbaum | 86 | w = OSD_S_EXP_W; |
855 | h = OSD_S_EXP_H; | ||
856 | } | ||
857 | |||
858 | harbaum | 110 | cairo_surface_destroy(priv->source_sel.surface); |
859 | priv->source_sel.surface = | ||
860 | harbaum | 86 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w+2, h+2); |
861 | |||
862 | harbaum | 111 | osd_render_source_sel(osd, TRUE); |
863 | harbaum | 143 | FOUT; |
864 | harbaum | 86 | } |
865 | |||
866 | #define OSD_HZ 15 | ||
867 | harbaum | 87 | #define OSD_TIME 500 |
868 | harbaum | 86 | |
869 | static gboolean osd_source_animate(gpointer data) { | ||
870 | harbaum | 143 | FIN; |
871 | harbaum | 86 | osm_gps_map_osd_t *osd = (osm_gps_map_osd_t*)data; |
872 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
873 | int diff = OSD_S_EXP_W - OSD_S_W - OSD_S_X; | ||
874 | gboolean done = FALSE; | ||
875 | harbaum | 110 | priv->source_sel.count += priv->source_sel.dir; |
876 | harbaum | 86 | |
877 | /* shifting in */ | ||
878 | harbaum | 110 | if(priv->source_sel.dir < 0) { |
879 | if(priv->source_sel.count <= 0) { | ||
880 | priv->source_sel.count = 0; | ||
881 | harbaum | 86 | done = TRUE; |
882 | } | ||
883 | } else { | ||
884 | harbaum | 110 | if(priv->source_sel.count >= 1000) { |
885 | priv->source_sel.expanded = FALSE; | ||
886 | harbaum | 86 | osd_source_reallocate(osd); |
887 | |||
888 | harbaum | 110 | priv->source_sel.count = 1000; |
889 | harbaum | 86 | done = TRUE; |
890 | } | ||
891 | } | ||
892 | |||
893 | |||
894 | /* count runs linearly from 0 to 1000, map this nicely onto a position */ | ||
895 | |||
896 | harbaum | 111 | /* nice sinoid mapping */ |
897 | harbaum | 110 | float m = 0.5-cos(priv->source_sel.count * M_PI / 1000.0)/2; |
898 | harbaum | 111 | priv->source_sel.shift = |
899 | (osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X) + | ||
900 | harbaum | 86 | m * diff; |
901 | |||
902 | harbaum | 111 | /* make sure the screen is updated */ |
903 | harbaum | 86 | osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); |
904 | |||
905 | harbaum | 111 | /* stop animation if done */ |
906 | harbaum | 86 | if(done) |
907 | harbaum | 110 | priv->source_sel.handler_id = 0; |
908 | harbaum | 86 | |
909 | harbaum | 143 | FOUT; |
910 | harbaum | 86 | return !done; |
911 | } | ||
912 | |||
913 | /* switch between expand and collapse mode of source selection */ | ||
914 | static void | ||
915 | osd_source_toggle(osm_gps_map_osd_t *osd) | ||
916 | { | ||
917 | harbaum | 143 | FIN; |
918 | harbaum | 86 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
919 | |||
920 | /* ignore clicks while animation is running */ | ||
921 | harbaum | 110 | if(priv->source_sel.handler_id) |
922 | harbaum | 86 | return; |
923 | |||
924 | harbaum | 111 | /* expand immediately, collapse is handle at the end of the */ |
925 | /* collapse animation */ | ||
926 | harbaum | 110 | if(!priv->source_sel.expanded) { |
927 | priv->source_sel.expanded = TRUE; | ||
928 | harbaum | 86 | osd_source_reallocate(osd); |
929 | |||
930 | harbaum | 110 | priv->source_sel.count = 1000; |
931 | priv->source_sel.shift = osd->widget->allocation.width - OSD_S_W; | ||
932 | priv->source_sel.dir = -1000/OSD_HZ; | ||
933 | harbaum | 86 | } else { |
934 | harbaum | 110 | priv->source_sel.count = 0; |
935 | harbaum | 111 | priv->source_sel.shift = osd->widget->allocation.width - |
936 | OSD_S_EXP_W + OSD_S_X; | ||
937 | harbaum | 110 | priv->source_sel.dir = +1000/OSD_HZ; |
938 | harbaum | 86 | } |
939 | |||
940 | harbaum | 111 | /* start timer to handle animation */ |
941 | priv->source_sel.handler_id = gtk_timeout_add(OSD_TIME/OSD_HZ, | ||
942 | osd_source_animate, osd); | ||
943 | harbaum | 143 | FOUT; |
944 | harbaum | 86 | } |
945 | |||
946 | harbaum | 89 | /* check if the user clicked inside the source selection area */ |
947 | harbaum | 70 | static osd_button_t |
948 | harbaum | 114 | osd_source_check(osm_gps_map_osd_t *osd, gboolean down, gint x, gint y) { |
949 | harbaum | 143 | FIN; |
950 | harbaum | 86 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
951 | |||
952 | harbaum | 110 | if(!priv->source_sel.expanded) |
953 | harbaum | 86 | x -= osd->widget->allocation.width - OSD_S_W; |
954 | else | ||
955 | x -= osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; | ||
956 | |||
957 | if(OSD_S_Y > 0) | ||
958 | y -= OSD_S_Y; | ||
959 | else | ||
960 | y -= osd->widget->allocation.height - OSD_S_PH + OSD_S_Y; | ||
961 | |||
962 | /* within square around puller? */ | ||
963 | if(y > 0 && y < OSD_S_PH && x > 0 && x < OSD_S_PW) { | ||
964 | /* really within puller shape? */ | ||
965 | if(x > Z_RAD || osm_gps_map_in_circle(x, y, Z_RAD, Z_RAD, Z_RAD)) { | ||
966 | /* expand source selector */ | ||
967 | harbaum | 114 | if(down) |
968 | osd_source_toggle(osd); | ||
969 | harbaum | 86 | |
970 | /* tell upper layers that user clicked some background element */ | ||
971 | /* of the OSD */ | ||
972 | return OSD_BG; | ||
973 | } | ||
974 | } | ||
975 | harbaum | 88 | |
976 | /* check for clicks into data area */ | ||
977 | harbaum | 110 | if(priv->source_sel.expanded && !priv->source_sel.handler_id) { |
978 | harbaum | 94 | /* re-adjust from puller top to content top */ |
979 | if(OSD_S_Y < 0) | ||
980 | y += OSD_S_EXP_H - OSD_S_PH; | ||
981 | |||
982 | harbaum | 88 | if(x > OSD_S_PW && |
983 | x < OSD_S_PW + OSD_S_EXP_W && | ||
984 | y > 0 && | ||
985 | y < OSD_S_EXP_H) { | ||
986 | harbaum | 94 | |
987 | harbaum | 110 | int step = (priv->source_sel.height - 2*OSD_TEXT_BORDER) |
988 | harbaum | 89 | / OSM_GPS_MAP_SOURCE_LAST; |
989 | harbaum | 88 | |
990 | harbaum | 89 | y -= OSD_TEXT_BORDER - OSD_TEXT_SKIP; |
991 | y /= step; | ||
992 | y += 1; | ||
993 | |||
994 | harbaum | 114 | if(down) { |
995 | gint old = 0; | ||
996 | g_object_get(osd->widget, "map-source", &old, NULL); | ||
997 | harbaum | 89 | |
998 | harbaum | 114 | if(y > OSM_GPS_MAP_SOURCE_NULL && |
999 | y <= OSM_GPS_MAP_SOURCE_LAST && | ||
1000 | old != y) { | ||
1001 | g_object_set(osd->widget, "map-source", y, NULL); | ||
1002 | |||
1003 | osd_render_source_sel(osd, TRUE); | ||
1004 | osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); | ||
1005 | } | ||
1006 | harbaum | 89 | } |
1007 | harbaum | 143 | |
1008 | harbaum | 89 | /* return "clicked in OSD background" to prevent further */ |
1009 | /* processing by application */ | ||
1010 | harbaum | 88 | return OSD_BG; |
1011 | } | ||
1012 | } | ||
1013 | |||
1014 | harbaum | 143 | FOUT; |
1015 | harbaum | 86 | return OSD_NONE; |
1016 | } | ||
1017 | harbaum | 88 | #endif // OSD_SOURCE_SEL |
1018 | harbaum | 86 | |
1019 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1020 | harbaum | 70 | static void |
1021 | harbaum | 86 | osd_dpad_labels(cairo_t *cr, gint x, gint y) { |
1022 | harbaum | 70 | /* move reference to dpad center */ |
1023 | x += D_RAD; | ||
1024 | y += D_RAD; | ||
1025 | |||
1026 | const static gint offset[][3][2] = { | ||
1027 | /* left arrow/triangle */ | ||
1028 | { { -D_TIP+D_LEN, -D_WID }, { -D_LEN, D_WID }, { +D_LEN, D_WID } }, | ||
1029 | /* right arrow/triangle */ | ||
1030 | { { +D_TIP-D_LEN, -D_WID }, { +D_LEN, D_WID }, { -D_LEN, D_WID } }, | ||
1031 | /* top arrow/triangle */ | ||
1032 | { { -D_WID, -D_TIP+D_LEN }, { D_WID, -D_LEN }, { D_WID, +D_LEN } }, | ||
1033 | /* bottom arrow/triangle */ | ||
1034 | { { -D_WID, +D_TIP-D_LEN }, { D_WID, +D_LEN }, { D_WID, -D_LEN } } | ||
1035 | }; | ||
1036 | |||
1037 | int i; | ||
1038 | for(i=0;i<4;i++) { | ||
1039 | cairo_move_to (cr, x + offset[i][0][0], y + offset[i][0][1]); | ||
1040 | cairo_rel_line_to (cr, offset[i][1][0], offset[i][1][1]); | ||
1041 | cairo_rel_line_to (cr, offset[i][2][0], offset[i][2][1]); | ||
1042 | } | ||
1043 | } | ||
1044 | harbaum | 76 | #endif |
1045 | harbaum | 70 | |
1046 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
1047 | /* draw the satellite dish icon in the center of the dpad */ | ||
1048 | harbaum | 77 | #define GPS_V0 (D_RAD/7) |
1049 | harbaum | 70 | #define GPS_V1 (D_RAD/10) |
1050 | #define GPS_V2 (D_RAD/5) | ||
1051 | |||
1052 | /* draw a satellite receiver dish */ | ||
1053 | harbaum | 77 | /* this is either drawn in the center of the dpad (if present) */ |
1054 | /* or in the middle of the zoom area */ | ||
1055 | harbaum | 70 | static void |
1056 | harbaum | 86 | osd_dpad_gps(cairo_t *cr, gint x, gint y) { |
1057 | harbaum | 70 | /* move reference to dpad center */ |
1058 | harbaum | 77 | x += (1-Z_GPS) * D_RAD + Z_GPS * Z_RAD * 3; |
1059 | y += (1-Z_GPS) * D_RAD + Z_GPS * Z_RAD + GPS_V0; | ||
1060 | harbaum | 70 | |
1061 | cairo_move_to (cr, x-GPS_V0, y+GPS_V0); | ||
1062 | cairo_rel_line_to (cr, +GPS_V0, -GPS_V0); | ||
1063 | cairo_rel_line_to (cr, +GPS_V0, +GPS_V0); | ||
1064 | cairo_close_path (cr); | ||
1065 | |||
1066 | cairo_move_to (cr, x+GPS_V1-GPS_V2, y-2*GPS_V2); | ||
1067 | cairo_curve_to (cr, x-GPS_V2, y, x+GPS_V1, y+GPS_V1, x+GPS_V1+GPS_V2, y); | ||
1068 | cairo_close_path (cr); | ||
1069 | |||
1070 | x += GPS_V1; | ||
1071 | cairo_move_to (cr, x, y-GPS_V2); | ||
1072 | cairo_rel_line_to (cr, +GPS_V1, -GPS_V1); | ||
1073 | } | ||
1074 | harbaum | 76 | #endif |
1075 | harbaum | 70 | |
1076 | #define Z_LEN (2*Z_RAD/3) | ||
1077 | |||
1078 | static void | ||
1079 | harbaum | 86 | osd_zoom_labels(cairo_t *cr, gint x, gint y) { |
1080 | harbaum | 70 | cairo_move_to (cr, x + Z_LEFT - Z_LEN, y + Z_MID); |
1081 | cairo_line_to (cr, x + Z_LEFT + Z_LEN, y + Z_MID); | ||
1082 | |||
1083 | cairo_move_to (cr, x + Z_RIGHT, y + Z_MID - Z_LEN); | ||
1084 | cairo_line_to (cr, x + Z_RIGHT, y + Z_MID + Z_LEN); | ||
1085 | cairo_move_to (cr, x + Z_RIGHT - Z_LEN, y + Z_MID); | ||
1086 | cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); | ||
1087 | } | ||
1088 | |||
1089 | harbaum | 106 | #ifdef OSD_COORDINATES |
1090 | |||
1091 | harbaum | 107 | #ifndef OSD_COORDINATES_FONT_SIZE |
1092 | harbaum | 146 | #define OSD_COORDINATES_FONT_SIZE (12.0) |
1093 | harbaum | 107 | #endif |
1094 | |||
1095 | harbaum | 108 | #define OSD_COORDINATES_OFFSET (OSD_COORDINATES_FONT_SIZE/6) |
1096 | harbaum | 107 | |
1097 | harbaum | 108 | #define OSD_COORDINATES_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
1098 | harbaum | 131 | #define OSD_COORDINATES_H (2*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET+OSD_COORDINATES_FONT_SIZE/4) |
1099 | harbaum | 108 | |
1100 | harbaum | 107 | /* these can be overwritten with versions that support */ |
1101 | /* localization */ | ||
1102 | #ifndef OSD_COORDINATES_CHR_N | ||
1103 | #define OSD_COORDINATES_CHR_N "N" | ||
1104 | #endif | ||
1105 | #ifndef OSD_COORDINATES_CHR_S | ||
1106 | #define OSD_COORDINATES_CHR_S "S" | ||
1107 | #endif | ||
1108 | #ifndef OSD_COORDINATES_CHR_E | ||
1109 | #define OSD_COORDINATES_CHR_E "E" | ||
1110 | #endif | ||
1111 | #ifndef OSD_COORDINATES_CHR_W | ||
1112 | #define OSD_COORDINATES_CHR_W "W" | ||
1113 | #endif | ||
1114 | |||
1115 | |||
1116 | |||
1117 | /* this is the classic geocaching notation */ | ||
1118 | static char | ||
1119 | *osd_latitude_str(float latitude) { | ||
1120 | char *c = OSD_COORDINATES_CHR_N; | ||
1121 | float integral, fractional; | ||
1122 | |||
1123 | if(isnan(latitude)) | ||
1124 | return NULL; | ||
1125 | |||
1126 | if(latitude < 0) { | ||
1127 | latitude = fabs(latitude); | ||
1128 | c = OSD_COORDINATES_CHR_S; | ||
1129 | } | ||
1130 | |||
1131 | fractional = modff(latitude, &integral); | ||
1132 | |||
1133 | return g_strdup_printf("%s %02d° %06.3f'", | ||
1134 | c, (int)integral, fractional*60.0); | ||
1135 | } | ||
1136 | |||
1137 | static char | ||
1138 | *osd_longitude_str(float longitude) { | ||
1139 | char *c = OSD_COORDINATES_CHR_E; | ||
1140 | float integral, fractional; | ||
1141 | |||
1142 | if(isnan(longitude)) | ||
1143 | return NULL; | ||
1144 | |||
1145 | if(longitude < 0) { | ||
1146 | longitude = fabs(longitude); | ||
1147 | c = OSD_COORDINATES_CHR_W; | ||
1148 | } | ||
1149 | |||
1150 | fractional = modff(longitude, &integral); | ||
1151 | |||
1152 | return g_strdup_printf("%s %03d° %06.3f'", | ||
1153 | c, (int)integral, fractional*60.0); | ||
1154 | } | ||
1155 | |||
1156 | harbaum | 124 | /* render a string at the given screen position */ |
1157 | static int | ||
1158 | osd_render_centered_text(cairo_t *cr, int y, int width, char *text) { | ||
1159 | harbaum | 143 | FIN; |
1160 | |||
1161 | if(!text) return y; | ||
1162 | |||
1163 | char *p = g_malloc(strlen(text)+4); // space for "...\n" | ||
1164 | strcpy(p, text); | ||
1165 | |||
1166 | harbaum | 124 | cairo_text_extents_t extents; |
1167 | harbaum | 152 | memset(&extents, 0, sizeof(cairo_text_extents_t)); |
1168 | harbaum | 124 | cairo_text_extents (cr, p, &extents); |
1169 | harbaum | 150 | g_assert(extents.width != 0.0); |
1170 | harbaum | 124 | |
1171 | /* check if text needs to be truncated */ | ||
1172 | harbaum | 152 | int trunc_at = strlen(text); |
1173 | harbaum | 124 | while(extents.width > width) { |
1174 | harbaum | 152 | |
1175 | /* cut off all utf8 multibyte remains so the actual */ | ||
1176 | /* truncation only deals with one byte */ | ||
1177 | while((p[trunc_at-1] & 0xc0) == 0x80) { | ||
1178 | trunc_at--; | ||
1179 | g_assert(trunc_at > 0); | ||
1180 | } | ||
1181 | |||
1182 | trunc_at--; | ||
1183 | harbaum | 144 | g_assert(trunc_at > 0); |
1184 | |||
1185 | harbaum | 143 | strcpy(p+trunc_at, "..."); |
1186 | harbaum | 124 | cairo_text_extents (cr, p, &extents); |
1187 | } | ||
1188 | |||
1189 | harbaum | 123 | cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
1190 | cairo_set_line_width (cr, OSD_COORDINATES_FONT_SIZE/6); | ||
1191 | harbaum | 124 | cairo_move_to (cr, (width - extents.width)/2, y - extents.y_bearing); |
1192 | cairo_text_path (cr, p); | ||
1193 | harbaum | 123 | cairo_stroke (cr); |
1194 | |||
1195 | cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); | ||
1196 | harbaum | 124 | cairo_move_to (cr, (width - extents.width)/2, y - extents.y_bearing); |
1197 | cairo_show_text (cr, p); | ||
1198 | |||
1199 | g_free(p); | ||
1200 | |||
1201 | harbaum | 143 | /* skip + 1/5 line */ |
1202 | FOUT; | ||
1203 | return y + 6*OSD_COORDINATES_FONT_SIZE/5; | ||
1204 | harbaum | 123 | } |
1205 | |||
1206 | static void | ||
1207 | harbaum | 106 | osd_render_coordinates(osm_gps_map_osd_t *osd) |
1208 | { | ||
1209 | harbaum | 143 | FIN; |
1210 | harbaum | 106 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1211 | |||
1212 | harbaum | 150 | if(!priv->coordinates.surface) |
1213 | return; | ||
1214 | |||
1215 | harbaum | 107 | /* get current map position */ |
1216 | gfloat lat, lon; | ||
1217 | g_object_get(osd->widget, "latitude", &lat, "longitude", &lon, NULL); | ||
1218 | |||
1219 | harbaum | 108 | /* check if position has changed enough to require redraw */ |
1220 | harbaum | 110 | if(!isnan(priv->coordinates.lat) && !isnan(priv->coordinates.lon)) |
1221 | /* 1/60000 == 1/1000 minute */ | ||
1222 | if((fabsf(lat - priv->coordinates.lat) < 1/60000) && | ||
1223 | (fabsf(lon - priv->coordinates.lon) < 1/60000)) | ||
1224 | harbaum | 108 | return; |
1225 | |||
1226 | harbaum | 110 | priv->coordinates.lat = lat; |
1227 | priv->coordinates.lon = lon; | ||
1228 | harbaum | 108 | |
1229 | harbaum | 111 | /* first fill with transparency */ |
1230 | harbaum | 150 | |
1231 | harbaum | 152 | g_assert(priv->coordinates.surface); |
1232 | harbaum | 110 | cairo_t *cr = cairo_create(priv->coordinates.surface); |
1233 | harbaum | 106 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1234 | harbaum | 111 | // cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.5); |
1235 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); | ||
1236 | harbaum | 106 | cairo_paint(cr); |
1237 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
1238 | |||
1239 | harbaum | 107 | cairo_select_font_face (cr, "Sans", |
1240 | CAIRO_FONT_SLANT_NORMAL, | ||
1241 | CAIRO_FONT_WEIGHT_BOLD); | ||
1242 | cairo_set_font_size (cr, OSD_COORDINATES_FONT_SIZE); | ||
1243 | |||
1244 | char *latitude = osd_latitude_str(lat); | ||
1245 | char *longitude = osd_longitude_str(lon); | ||
1246 | |||
1247 | harbaum | 124 | int y = OSD_COORDINATES_OFFSET; |
1248 | y = osd_render_centered_text(cr, y, OSD_COORDINATES_W, latitude); | ||
1249 | y = osd_render_centered_text(cr, y, OSD_COORDINATES_W, longitude); | ||
1250 | harbaum | 123 | |
1251 | harbaum | 107 | g_free(latitude); |
1252 | g_free(longitude); | ||
1253 | |||
1254 | harbaum | 106 | cairo_destroy(cr); |
1255 | harbaum | 143 | FOUT; |
1256 | harbaum | 106 | } |
1257 | #endif // OSD_COORDINATES | ||
1258 | |||
1259 | harbaum | 122 | #ifdef OSD_NAV |
1260 | harbaum | 123 | #define OSD_NAV_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
1261 | harbaum | 133 | #define OSD_NAV_H (11*OSD_COORDINATES_FONT_SIZE) |
1262 | harbaum | 122 | |
1263 | harbaum | 132 | /* http://mathforum.org/library/drmath/view/55417.html */ |
1264 | static float get_bearing(float lat1, float lon1, float lat2, float lon2) { | ||
1265 | return atan2( sin(lon2 - lon1) * cos(lat2), | ||
1266 | cos(lat1) * sin(lat2) - | ||
1267 | sin(lat1) * cos(lat2) * cos(lon2 - lon1)); | ||
1268 | } | ||
1269 | |||
1270 | /* http://mathforum.org/library/drmath/view/51722.html */ | ||
1271 | static float get_distance(float lat1, float lon1, float lat2, float lon2) { | ||
1272 | float aob = acos(cos(lat1) * cos(lat2) * cos(lon2 - lon1) + | ||
1273 | sin(lat1) * sin(lat2)); | ||
1274 | |||
1275 | // return(aob * 3959.0); /* great circle radius in miles */ | ||
1276 | |||
1277 | return(aob * 6371000.0); /* great circle radius in meters */ | ||
1278 | } | ||
1279 | |||
1280 | harbaum | 122 | static void |
1281 | osd_render_nav(osm_gps_map_osd_t *osd) | ||
1282 | { | ||
1283 | harbaum | 143 | FIN; |
1284 | harbaum | 122 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1285 | |||
1286 | harbaum | 123 | if(!priv->nav.surface || isnan(priv->nav.lat) || isnan(priv->nav.lon)) |
1287 | return; | ||
1288 | |||
1289 | harbaum | 122 | /* first fill with transparency */ |
1290 | harbaum | 152 | g_assert(priv->nav.surface); |
1291 | harbaum | 122 | cairo_t *cr = cairo_create(priv->nav.surface); |
1292 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); | ||
1293 | harbaum | 132 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
1294 | harbaum | 122 | cairo_paint(cr); |
1295 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
1296 | |||
1297 | harbaum | 123 | cairo_select_font_face (cr, "Sans", |
1298 | CAIRO_FONT_SLANT_NORMAL, | ||
1299 | CAIRO_FONT_WEIGHT_BOLD); | ||
1300 | cairo_set_font_size (cr, OSD_COORDINATES_FONT_SIZE); | ||
1301 | |||
1302 | char *latitude = osd_latitude_str(priv->nav.lat); | ||
1303 | char *longitude = osd_longitude_str(priv->nav.lon); | ||
1304 | |||
1305 | harbaum | 124 | int y = OSD_COORDINATES_OFFSET; |
1306 | y = osd_render_centered_text(cr, y, OSD_NAV_W, priv->nav.name); | ||
1307 | y = osd_render_centered_text(cr, y, OSD_NAV_W, latitude); | ||
1308 | y = osd_render_centered_text(cr, y, OSD_NAV_W, longitude); | ||
1309 | harbaum | 226 | |
1310 | harbaum | 123 | g_free(latitude); |
1311 | g_free(longitude); | ||
1312 | |||
1313 | harbaum | 226 | /* everything below this is the compass. we need to know this */ |
1314 | /* to differ between coordinate clicks and compass clicks */ | ||
1315 | priv->nav.click_sep = y; | ||
1316 | |||
1317 | harbaum | 131 | /* draw the compass */ |
1318 | int radius = (OSD_NAV_H - y - 5*OSD_COORDINATES_FONT_SIZE/4)/2; | ||
1319 | if(radius > OSD_NAV_W/2) | ||
1320 | radius = OSD_NAV_W/2; | ||
1321 | |||
1322 | int x = OSD_NAV_W/2+1; | ||
1323 | y += radius; | ||
1324 | |||
1325 | cairo_stroke (cr); | ||
1326 | |||
1327 | /* draw background */ | ||
1328 | cairo_arc(cr, x, y, radius, 0, 2*M_PI); | ||
1329 | cairo_set_source_rgba (cr, 1, 1, 1, 0.5); | ||
1330 | cairo_fill_preserve (cr); | ||
1331 | cairo_set_source_rgb (cr, 0, 0, 0); | ||
1332 | cairo_set_line_width (cr, 1); | ||
1333 | cairo_stroke (cr); | ||
1334 | |||
1335 | /* draw pointer */ | ||
1336 | #define ARROW_WIDTH 0.3 | ||
1337 | #define ARROW_LENGTH 0.7 | ||
1338 | |||
1339 | harbaum | 226 | coord_t mpos, *pos = osm_gps_map_get_gps (OSM_GPS_MAP(osd->widget)); |
1340 | if(priv->nav.mode) { | ||
1341 | gfloat lat, lon; | ||
1342 | g_object_get(osd->widget, "latitude", &lat, "longitude", &lon, NULL); | ||
1343 | mpos.rlat = deg2rad(lat); | ||
1344 | mpos.rlon = deg2rad(lon); | ||
1345 | pos = &mpos; | ||
1346 | } | ||
1347 | |||
1348 | if(pos) { | ||
1349 | float arot = get_bearing(pos->rlat, pos->rlon, | ||
1350 | harbaum | 132 | deg2rad(priv->nav.lat), deg2rad(priv->nav.lon)); |
1351 | harbaum | 131 | |
1352 | harbaum | 132 | cairo_move_to(cr, |
1353 | x + radius * ARROW_LENGTH * sin(arot), | ||
1354 | y + radius * ARROW_LENGTH * -cos(arot)); | ||
1355 | |||
1356 | cairo_line_to(cr, | ||
1357 | x + radius * -ARROW_LENGTH * sin(arot+ARROW_WIDTH), | ||
1358 | y + radius * -ARROW_LENGTH * -cos(arot+ARROW_WIDTH)); | ||
1359 | |||
1360 | cairo_line_to(cr, | ||
1361 | x + radius * -0.5 * ARROW_LENGTH * sin(arot), | ||
1362 | y + radius * -0.5 * ARROW_LENGTH * -cos(arot)); | ||
1363 | |||
1364 | cairo_line_to(cr, | ||
1365 | x + radius * -ARROW_LENGTH * sin(arot-ARROW_WIDTH), | ||
1366 | y + radius * -ARROW_LENGTH * -cos(arot-ARROW_WIDTH)); | ||
1367 | |||
1368 | cairo_close_path(cr); | ||
1369 | harbaum | 226 | if(priv->nav.mode) |
1370 | cairo_set_source_rgb (cr, 0, 0, 0); | ||
1371 | else | ||
1372 | cairo_set_source_rgb (cr, 0, 0, 0.8); | ||
1373 | |||
1374 | harbaum | 132 | cairo_fill (cr); |
1375 | harbaum | 131 | |
1376 | harbaum | 132 | y += radius + OSD_COORDINATES_FONT_SIZE/4; |
1377 | harbaum | 131 | |
1378 | harbaum | 226 | float dist = get_distance(pos->rlat, pos->rlon, |
1379 | harbaum | 132 | deg2rad(priv->nav.lat), deg2rad(priv->nav.lon)); |
1380 | harbaum | 131 | |
1381 | harbaum | 132 | char *dist_str = NULL; |
1382 | harbaum | 133 | if(!priv->nav.imperial) { |
1383 | /* metric is easy ... */ | ||
1384 | if(dist<1000) | ||
1385 | dist_str = g_strdup_printf("%u m", (int)dist); | ||
1386 | else | ||
1387 | dist_str = g_strdup_printf("%.1f km", dist/1000); | ||
1388 | } else { | ||
1389 | /* and now the hard part: scale for useful imperial values :-( */ | ||
1390 | /* try to convert to feet, 1ft == 0.3048 m */ | ||
1391 | |||
1392 | if(dist/(3*0.3048) >= 1760.0) /* more than 1760 yard? */ | ||
1393 | dist_str = g_strdup_printf("%.1f mi", dist/(0.3048*3*1760.0)); | ||
1394 | else if(dist/0.3048 >= 100) /* more than 100 feet? */ | ||
1395 | dist_str = g_strdup_printf("%.1f yd", dist/(0.3048*3)); | ||
1396 | else | ||
1397 | dist_str = g_strdup_printf("%.0f ft", dist/0.3048); | ||
1398 | } | ||
1399 | harbaum | 132 | |
1400 | y = osd_render_centered_text(cr, y, OSD_NAV_W, dist_str); | ||
1401 | g_free(dist_str); | ||
1402 | } | ||
1403 | harbaum | 131 | |
1404 | harbaum | 122 | cairo_destroy(cr); |
1405 | harbaum | 143 | FOUT; |
1406 | harbaum | 122 | } |
1407 | |||
1408 | harbaum | 201 | /* check if the user clicked inside the source selection area */ |
1409 | static osd_button_t | ||
1410 | osd_nav_check(osm_gps_map_osd_t *osd, gboolean down, gint x, gint y) { | ||
1411 | FIN; | ||
1412 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
1413 | |||
1414 | if(!priv->nav.surface || down) | ||
1415 | return OSD_NONE; | ||
1416 | |||
1417 | x -= OSD_X; | ||
1418 | if(OSD_X < 0) | ||
1419 | x -= (osd->widget->allocation.width - OSD_NAV_W); | ||
1420 | |||
1421 | y -= (osd->widget->allocation.height - OSD_NAV_H)/2; | ||
1422 | |||
1423 | if(x >= 0 && y >= 0 && x <= OSD_NAV_W && y <= OSD_NAV_H) { | ||
1424 | harbaum | 226 | if(y < priv->nav.click_sep) |
1425 | osm_gps_map_set_center(OSM_GPS_MAP(osd->widget), | ||
1426 | priv->nav.lat, priv->nav.lon); | ||
1427 | else { | ||
1428 | priv->nav.mode = !priv->nav.mode; | ||
1429 | osm_gps_map_redraw(OSM_GPS_MAP(osd->widget)); | ||
1430 | } | ||
1431 | harbaum | 201 | } |
1432 | |||
1433 | harbaum | 202 | FOUT; |
1434 | harbaum | 201 | return OSD_NONE; |
1435 | } | ||
1436 | |||
1437 | harbaum | 123 | void osm_gps_map_osd_clear_nav (OsmGpsMap *map) { |
1438 | harbaum | 143 | FIN; |
1439 | harbaum | 123 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
1440 | |||
1441 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); | ||
1442 | g_return_if_fail (osd); | ||
1443 | |||
1444 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
1445 | g_return_if_fail (priv); | ||
1446 | |||
1447 | if(priv->nav.surface) { | ||
1448 | cairo_surface_destroy(priv->nav.surface); | ||
1449 | priv->nav.surface = NULL; | ||
1450 | priv->nav.lat = OSM_GPS_MAP_INVALID; | ||
1451 | priv->nav.lon = OSM_GPS_MAP_INVALID; | ||
1452 | if(priv->nav.name) g_free(priv->nav.name); | ||
1453 | } | ||
1454 | osm_gps_map_redraw(map); | ||
1455 | harbaum | 143 | FOUT; |
1456 | harbaum | 123 | } |
1457 | |||
1458 | void | ||
1459 | harbaum | 133 | osm_gps_map_osd_draw_nav (OsmGpsMap *map, gboolean imperial, |
1460 | float latitude, float longitude, char *name) { | ||
1461 | harbaum | 143 | FIN; |
1462 | harbaum | 123 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
1463 | |||
1464 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); | ||
1465 | g_return_if_fail (osd); | ||
1466 | |||
1467 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
1468 | g_return_if_fail (priv); | ||
1469 | |||
1470 | osm_gps_map_osd_clear_nav (map); | ||
1471 | |||
1472 | /* allocate balloon surface */ | ||
1473 | priv->nav.surface = | ||
1474 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, | ||
1475 | OSD_NAV_W+2, OSD_NAV_H+2); | ||
1476 | |||
1477 | priv->nav.lat = latitude; | ||
1478 | priv->nav.lon = longitude; | ||
1479 | priv->nav.name = g_strdup(name); | ||
1480 | harbaum | 133 | priv->nav.imperial = imperial; |
1481 | harbaum | 123 | |
1482 | osd_render_nav(osd); | ||
1483 | |||
1484 | osm_gps_map_redraw(map); | ||
1485 | harbaum | 143 | FOUT; |
1486 | harbaum | 123 | } |
1487 | |||
1488 | harbaum | 122 | #endif // OSD_NAV |
1489 | |||
1490 | harbaum | 201 | static osd_button_t |
1491 | osd_check_int(osm_gps_map_osd_t *osd, gboolean click, gboolean down, gint x, gint y) { | ||
1492 | FIN; | ||
1493 | osd_button_t but = OSD_NONE; | ||
1494 | harbaum | 122 | |
1495 | harbaum | 201 | #ifdef OSD_BALLOON |
1496 | if(down) { | ||
1497 | /* needed to handle balloons that are created at click */ | ||
1498 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
1499 | priv->balloon.just_created = FALSE; | ||
1500 | } | ||
1501 | #endif | ||
1502 | |||
1503 | #ifdef OSD_SOURCE_SEL | ||
1504 | /* the source selection area is handles internally */ | ||
1505 | but = osd_source_check(osd, down, x, y); | ||
1506 | #endif | ||
1507 | |||
1508 | #ifdef OSD_NAV | ||
1509 | if(but == OSD_NONE) { | ||
1510 | /* the source selection area is handles internally */ | ||
1511 | but = osd_nav_check(osd, down, x, y); | ||
1512 | } | ||
1513 | #endif | ||
1514 | |||
1515 | if(but == OSD_NONE) { | ||
1516 | gint mx = x - OSD_X; | ||
1517 | gint my = y - OSD_Y; | ||
1518 | |||
1519 | if(OSD_X < 0) | ||
1520 | mx -= (osd->widget->allocation.width - OSD_W); | ||
1521 | |||
1522 | if(OSD_Y < 0) | ||
1523 | my -= (osd->widget->allocation.height - OSD_H); | ||
1524 | |||
1525 | /* first do a rough test for the OSD area. */ | ||
1526 | /* this is just to avoid an unnecessary detailed test */ | ||
1527 | if(mx > 0 && mx < OSD_W && my > 0 && my < OSD_H) { | ||
1528 | #ifndef OSD_NO_DPAD | ||
1529 | but = osd_check_dpad(mx, my); | ||
1530 | #endif | ||
1531 | } | ||
1532 | |||
1533 | if(but == OSD_NONE) | ||
1534 | but = osd_check_zoom(mx, my); | ||
1535 | } | ||
1536 | |||
1537 | #ifdef OSD_BALLOON | ||
1538 | if(but == OSD_NONE) { | ||
1539 | /* check if user clicked into balloon */ | ||
1540 | if(osd_balloon_check(osd, click, down, x, y)) | ||
1541 | but = OSD_BG; | ||
1542 | } | ||
1543 | #endif | ||
1544 | |||
1545 | FOUT; | ||
1546 | return but; | ||
1547 | } | ||
1548 | |||
1549 | |||
1550 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
1551 | |||
1552 | #ifndef OSD_CROSSHAIR_RADIUS | ||
1553 | harbaum | 106 | #define OSD_CROSSHAIR_RADIUS 10 |
1554 | harbaum | 105 | #endif |
1555 | |||
1556 | harbaum | 106 | #define OSD_CROSSHAIR_TICK (OSD_CROSSHAIR_RADIUS/2) |
1557 | #define OSD_CROSSHAIR_BORDER (OSD_CROSSHAIR_TICK + OSD_CROSSHAIR_RADIUS/4) | ||
1558 | #define OSD_CROSSHAIR_W ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) | ||
1559 | #define OSD_CROSSHAIR_H ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) | ||
1560 | harbaum | 105 | |
1561 | static void | ||
1562 | harbaum | 106 | osd_render_crosshair_shape(cairo_t *cr) { |
1563 | harbaum | 143 | FIN; |
1564 | harbaum | 106 | cairo_arc (cr, OSD_CROSSHAIR_W/2, OSD_CROSSHAIR_H/2, |
1565 | OSD_CROSSHAIR_RADIUS, 0, 2*M_PI); | ||
1566 | |||
1567 | cairo_move_to (cr, OSD_CROSSHAIR_W/2 - OSD_CROSSHAIR_RADIUS, | ||
1568 | OSD_CROSSHAIR_H/2); | ||
1569 | cairo_rel_line_to (cr, -OSD_CROSSHAIR_TICK, 0); | ||
1570 | cairo_move_to (cr, OSD_CROSSHAIR_W/2 + OSD_CROSSHAIR_RADIUS, | ||
1571 | OSD_CROSSHAIR_H/2); | ||
1572 | cairo_rel_line_to (cr, OSD_CROSSHAIR_TICK, 0); | ||
1573 | |||
1574 | cairo_move_to (cr, OSD_CROSSHAIR_W/2, | ||
1575 | OSD_CROSSHAIR_H/2 - OSD_CROSSHAIR_RADIUS); | ||
1576 | cairo_rel_line_to (cr, 0, -OSD_CROSSHAIR_TICK); | ||
1577 | cairo_move_to (cr, OSD_CROSSHAIR_W/2, | ||
1578 | OSD_CROSSHAIR_H/2 + OSD_CROSSHAIR_RADIUS); | ||
1579 | cairo_rel_line_to (cr, 0, OSD_CROSSHAIR_TICK); | ||
1580 | |||
1581 | cairo_stroke (cr); | ||
1582 | harbaum | 143 | FOUT; |
1583 | harbaum | 106 | } |
1584 | |||
1585 | static void | ||
1586 | harbaum | 105 | osd_render_crosshair(osm_gps_map_osd_t *osd) |
1587 | { | ||
1588 | harbaum | 143 | FIN; |
1589 | harbaum | 105 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1590 | |||
1591 | harbaum | 150 | if(!priv->crosshair.surface || priv->crosshair.rendered) |
1592 | harbaum | 110 | return; |
1593 | |||
1594 | priv->crosshair.rendered = TRUE; | ||
1595 | |||
1596 | harbaum | 105 | /* first fill with transparency */ |
1597 | harbaum | 152 | g_assert(priv->crosshair.surface); |
1598 | harbaum | 110 | cairo_t *cr = cairo_create(priv->crosshair.surface); |
1599 | harbaum | 105 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1600 | harbaum | 106 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); |
1601 | harbaum | 105 | cairo_paint(cr); |
1602 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
1603 | |||
1604 | harbaum | 106 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
1605 | |||
1606 | cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.5); | ||
1607 | cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/2); | ||
1608 | osd_render_crosshair_shape(cr); | ||
1609 | |||
1610 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.5); | ||
1611 | cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/4); | ||
1612 | osd_render_crosshair_shape(cr); | ||
1613 | |||
1614 | harbaum | 105 | cairo_destroy(cr); |
1615 | harbaum | 143 | FOUT; |
1616 | harbaum | 105 | } |
1617 | #endif | ||
1618 | |||
1619 | #ifdef OSD_SCALE | ||
1620 | |||
1621 | #ifndef OSD_SCALE_FONT_SIZE | ||
1622 | harbaum | 146 | #define OSD_SCALE_FONT_SIZE (12.0) |
1623 | harbaum | 105 | #endif |
1624 | #define OSD_SCALE_W (10*OSD_SCALE_FONT_SIZE) | ||
1625 | #define OSD_SCALE_H (5*OSD_SCALE_FONT_SIZE/2) | ||
1626 | |||
1627 | harbaum | 103 | /* various parameters used to create the scale */ |
1628 | #define OSD_SCALE_H2 (OSD_SCALE_H/2) | ||
1629 | #define OSD_SCALE_TICK (2*OSD_SCALE_FONT_SIZE/3) | ||
1630 | #define OSD_SCALE_M (OSD_SCALE_H2 - OSD_SCALE_TICK) | ||
1631 | #define OSD_SCALE_I (OSD_SCALE_H2 + OSD_SCALE_TICK) | ||
1632 | #define OSD_SCALE_FD (OSD_SCALE_FONT_SIZE/4) | ||
1633 | harbaum | 99 | |
1634 | harbaum | 70 | static void |
1635 | harbaum | 98 | osd_render_scale(osm_gps_map_osd_t *osd) |
1636 | { | ||
1637 | harbaum | 143 | FIN; |
1638 | harbaum | 86 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1639 | harbaum | 103 | |
1640 | harbaum | 150 | if(!priv->scale.surface) |
1641 | return; | ||
1642 | |||
1643 | harbaum | 103 | /* this only needs to be rendered if the zoom has changed */ |
1644 | gint zoom; | ||
1645 | g_object_get(OSM_GPS_MAP(osd->widget), "zoom", &zoom, NULL); | ||
1646 | harbaum | 110 | if(zoom == priv->scale.zoom) |
1647 | harbaum | 103 | return; |
1648 | |||
1649 | harbaum | 110 | priv->scale.zoom = zoom; |
1650 | harbaum | 103 | |
1651 | harbaum | 99 | float m_per_pix = osm_gps_map_get_scale(OSM_GPS_MAP(osd->widget)); |
1652 | harbaum | 70 | |
1653 | harbaum | 98 | /* first fill with transparency */ |
1654 | harbaum | 152 | g_assert(priv->scale.surface); |
1655 | harbaum | 110 | cairo_t *cr = cairo_create(priv->scale.surface); |
1656 | harbaum | 98 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1657 | harbaum | 100 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
1658 | harbaum | 103 | // pink for testing: cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.2); |
1659 | harbaum | 98 | cairo_paint(cr); |
1660 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
1661 | |||
1662 | /* determine the size of the scale width in meters */ | ||
1663 | harbaum | 103 | float width = (OSD_SCALE_W-OSD_SCALE_FONT_SIZE/6) * m_per_pix; |
1664 | harbaum | 102 | |
1665 | harbaum | 98 | /* scale this to useful values */ |
1666 | int exp = logf(width)*M_LOG10E; | ||
1667 | int mant = width/pow(10,exp); | ||
1668 | harbaum | 99 | int width_metric = mant * pow(10,exp); |
1669 | harbaum | 103 | char *dist_str = NULL; |
1670 | if(width_metric<1000) | ||
1671 | dist_str = g_strdup_printf("%u m", width_metric); | ||
1672 | else | ||
1673 | dist_str = g_strdup_printf("%u km", width_metric/1000); | ||
1674 | harbaum | 99 | width_metric /= m_per_pix; |
1675 | |||
1676 | harbaum | 102 | /* and now the hard part: scale for useful imperial values :-( */ |
1677 | /* try to convert to feet, 1ft == 0.3048 m */ | ||
1678 | width /= 0.3048; | ||
1679 | float imp_scale = 0.3048; | ||
1680 | char *dist_imp_unit = "ft"; | ||
1681 | harbaum | 99 | |
1682 | harbaum | 102 | if(width >= 100) { |
1683 | /* 1yd == 3 feet */ | ||
1684 | width /= 3.0; | ||
1685 | imp_scale *= 3.0; | ||
1686 | dist_imp_unit = "yd"; | ||
1687 | |||
1688 | if(width >= 1760.0) { | ||
1689 | /* 1mi == 1760 yd */ | ||
1690 | width /= 1760.0; | ||
1691 | imp_scale *= 1760.0; | ||
1692 | dist_imp_unit = "mi"; | ||
1693 | } | ||
1694 | } | ||
1695 | |||
1696 | harbaum | 103 | /* also convert this to full tens/hundreds */ |
1697 | exp = logf(width)*M_LOG10E; | ||
1698 | mant = width/pow(10,exp); | ||
1699 | int width_imp = mant * pow(10,exp); | ||
1700 | char *dist_str_imp = g_strdup_printf("%u %s", width_imp, dist_imp_unit); | ||
1701 | harbaum | 102 | |
1702 | harbaum | 103 | /* convert back to pixels */ |
1703 | width_imp *= imp_scale; | ||
1704 | width_imp /= m_per_pix; | ||
1705 | |||
1706 | harbaum | 99 | cairo_select_font_face (cr, "Sans", |
1707 | CAIRO_FONT_SLANT_NORMAL, | ||
1708 | CAIRO_FONT_WEIGHT_BOLD); | ||
1709 | harbaum | 102 | cairo_set_font_size (cr, OSD_SCALE_FONT_SIZE); |
1710 | harbaum | 99 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); |
1711 | |||
1712 | cairo_text_extents_t extents; | ||
1713 | cairo_text_extents (cr, dist_str, &extents); | ||
1714 | |||
1715 | harbaum | 100 | cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
1716 | harbaum | 103 | cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1717 | cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); | ||
1718 | harbaum | 100 | cairo_text_path (cr, dist_str); |
1719 | cairo_stroke (cr); | ||
1720 | harbaum | 103 | cairo_move_to (cr, 2*OSD_SCALE_FD, |
1721 | OSD_SCALE_H2+OSD_SCALE_FD + extents.height); | ||
1722 | cairo_text_path (cr, dist_str_imp); | ||
1723 | cairo_stroke (cr); | ||
1724 | harbaum | 100 | |
1725 | cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); | ||
1726 | harbaum | 103 | cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); |
1727 | harbaum | 99 | cairo_show_text (cr, dist_str); |
1728 | harbaum | 103 | cairo_move_to (cr, 2*OSD_SCALE_FD, |
1729 | OSD_SCALE_H2+OSD_SCALE_FD + extents.height); | ||
1730 | cairo_show_text (cr, dist_str_imp); | ||
1731 | harbaum | 99 | |
1732 | harbaum | 103 | g_free(dist_str); |
1733 | g_free(dist_str_imp); | ||
1734 | |||
1735 | harbaum | 99 | /* draw white line */ |
1736 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); | ||
1737 | cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); | ||
1738 | harbaum | 103 | cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/3); |
1739 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); | ||
1740 | cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); | ||
1741 | harbaum | 99 | cairo_rel_line_to (cr, width_metric, 0); |
1742 | harbaum | 103 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1743 | harbaum | 99 | cairo_stroke(cr); |
1744 | harbaum | 103 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1745 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); | ||
1746 | cairo_rel_line_to (cr, width_imp, 0); | ||
1747 | cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); | ||
1748 | cairo_stroke(cr); | ||
1749 | harbaum | 99 | |
1750 | /* draw black line */ | ||
1751 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); | ||
1752 | harbaum | 103 | cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1753 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); | ||
1754 | cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); | ||
1755 | harbaum | 99 | cairo_rel_line_to (cr, width_metric, 0); |
1756 | harbaum | 103 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1757 | harbaum | 99 | cairo_stroke(cr); |
1758 | harbaum | 103 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1759 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); | ||
1760 | cairo_rel_line_to (cr, width_imp, 0); | ||
1761 | cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); | ||
1762 | cairo_stroke(cr); | ||
1763 | harbaum | 99 | |
1764 | harbaum | 98 | cairo_destroy(cr); |
1765 | harbaum | 143 | FOUT; |
1766 | harbaum | 98 | } |
1767 | harbaum | 105 | #endif |
1768 | harbaum | 98 | |
1769 | static void | ||
1770 | harbaum | 108 | osd_render_controls(osm_gps_map_osd_t *osd) |
1771 | harbaum | 98 | { |
1772 | harbaum | 143 | FIN; |
1773 | harbaum | 98 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1774 | |||
1775 | harbaum | 150 | if(!priv->controls.surface) |
1776 | return; | ||
1777 | |||
1778 | harbaum | 228 | printf("XXX rendering OSD with %p\n", osd->cb); |
1779 | |||
1780 | harbaum | 108 | if(priv->controls.rendered |
1781 | #ifdef OSD_GPS_BUTTON | ||
1782 | && (priv->controls.gps_enabled == (osd->cb != NULL)) | ||
1783 | #endif | ||
1784 | ) | ||
1785 | return; | ||
1786 | |||
1787 | #ifdef OSD_GPS_BUTTON | ||
1788 | priv->controls.gps_enabled = (osd->cb != NULL); | ||
1789 | #endif | ||
1790 | harbaum | 110 | priv->controls.rendered = TRUE; |
1791 | harbaum | 108 | |
1792 | harbaum | 86 | #ifndef OSD_COLOR |
1793 | GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; | ||
1794 | GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; | ||
1795 | GdkColor da = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_INSENSITIVE]; | ||
1796 | harbaum | 74 | #endif |
1797 | harbaum | 70 | |
1798 | /* first fill with transparency */ | ||
1799 | harbaum | 152 | g_assert(priv->controls.surface); |
1800 | harbaum | 108 | cairo_t *cr = cairo_create(priv->controls.surface); |
1801 | harbaum | 70 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1802 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); | ||
1803 | cairo_paint(cr); | ||
1804 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
1805 | |||
1806 | /* --------- draw zoom and dpad shape shadow ----------- */ | ||
1807 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
1808 | harbaum | 86 | osd_zoom_shape(cr, 1+OSD_SHADOW, 1+OSD_SHADOW); |
1809 | osd_shape_shadow(cr); | ||
1810 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1811 | harbaum | 86 | osd_dpad_shape(cr, 1+OSD_SHADOW, 1+OSD_SHADOW); |
1812 | osd_shape_shadow(cr); | ||
1813 | harbaum | 74 | #endif |
1814 | harbaum | 76 | #endif |
1815 | harbaum | 70 | |
1816 | /* --------- draw zoom and dpad shape ----------- */ | ||
1817 | |||
1818 | harbaum | 86 | osd_zoom_shape(cr, 1, 1); |
1819 | harbaum | 74 | #ifndef OSD_COLOR |
1820 | harbaum | 86 | osd_shape(cr, &bg, &fg); |
1821 | harbaum | 74 | #else |
1822 | harbaum | 86 | osd_shape(cr); |
1823 | harbaum | 74 | #endif |
1824 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1825 | harbaum | 86 | osd_dpad_shape(cr, 1, 1); |
1826 | harbaum | 74 | #ifndef OSD_COLOR |
1827 | harbaum | 86 | osd_shape(cr, &bg, &fg); |
1828 | harbaum | 74 | #else |
1829 | harbaum | 86 | osd_shape(cr); |
1830 | harbaum | 74 | #endif |
1831 | harbaum | 76 | #endif |
1832 | harbaum | 70 | |
1833 | /* --------- draw zoom and dpad labels --------- */ | ||
1834 | |||
1835 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
1836 | harbaum | 87 | osd_labels_shadow(cr, Z_RAD/3, TRUE); |
1837 | harbaum | 86 | osd_zoom_labels(cr, 1+OSD_LBL_SHADOW, 1+OSD_LBL_SHADOW); |
1838 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1839 | harbaum | 86 | osd_dpad_labels(cr, 1+OSD_LBL_SHADOW, 1+OSD_LBL_SHADOW); |
1840 | harbaum | 76 | #endif |
1841 | harbaum | 87 | cairo_stroke(cr); |
1842 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
1843 | harbaum | 87 | osd_labels_shadow(cr, Z_RAD/6, osd->cb != NULL); |
1844 | harbaum | 86 | osd_dpad_gps(cr, 1+OSD_LBL_SHADOW, 1+OSD_LBL_SHADOW); |
1845 | harbaum | 87 | cairo_stroke(cr); |
1846 | harbaum | 74 | #endif |
1847 | harbaum | 76 | #endif |
1848 | harbaum | 70 | |
1849 | harbaum | 74 | #ifndef OSD_COLOR |
1850 | harbaum | 86 | osd_labels(cr, Z_RAD/3, TRUE, &fg, &da); |
1851 | harbaum | 74 | #else |
1852 | harbaum | 86 | osd_labels(cr, Z_RAD/3, TRUE); |
1853 | harbaum | 74 | #endif |
1854 | harbaum | 87 | osd_zoom_labels(cr, 1, 1); |
1855 | #ifndef OSD_NO_DPAD | ||
1856 | osd_dpad_labels(cr, 1, 1); | ||
1857 | #endif | ||
1858 | cairo_stroke(cr); | ||
1859 | |||
1860 | harbaum | 74 | #ifndef OSD_COLOR |
1861 | harbaum | 86 | osd_labels(cr, Z_RAD/6, osd->cb != NULL, &fg, &da); |
1862 | harbaum | 74 | #else |
1863 | harbaum | 86 | osd_labels(cr, Z_RAD/6, osd->cb != NULL); |
1864 | harbaum | 74 | #endif |
1865 | harbaum | 87 | #ifdef OSD_GPS_BUTTON |
1866 | osd_dpad_gps(cr, 1, 1); | ||
1867 | harbaum | 76 | #endif |
1868 | harbaum | 87 | cairo_stroke(cr); |
1869 | harbaum | 70 | |
1870 | cairo_destroy(cr); | ||
1871 | harbaum | 108 | } |
1872 | harbaum | 86 | |
1873 | harbaum | 108 | static void |
1874 | osd_render(osm_gps_map_osd_t *osd) | ||
1875 | { | ||
1876 | harbaum | 111 | /* this function is actually called pretty often since the */ |
1877 | /* OSD contents may have changed (due to a coordinate/zoom change). */ | ||
1878 | /* The different OSD parts have to make sure that they don't */ | ||
1879 | /* render unneccessarily often and thus waste CPU power */ | ||
1880 | |||
1881 | harbaum | 108 | osd_render_controls(osd); |
1882 | |||
1883 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
1884 | harbaum | 111 | osd_render_source_sel(osd, FALSE); |
1885 | harbaum | 88 | #endif |
1886 | harbaum | 98 | |
1887 | #ifdef OSD_SCALE | ||
1888 | osd_render_scale(osd); | ||
1889 | #endif | ||
1890 | harbaum | 105 | |
1891 | #ifdef OSD_CROSSHAIR | ||
1892 | osd_render_crosshair(osd); | ||
1893 | #endif | ||
1894 | harbaum | 106 | |
1895 | harbaum | 122 | #ifdef OSD_NAV |
1896 | osd_render_nav(osd); | ||
1897 | #endif | ||
1898 | |||
1899 | harbaum | 106 | #ifdef OSD_COORDINATES |
1900 | osd_render_coordinates(osd); | ||
1901 | #endif | ||
1902 | harbaum | 70 | } |
1903 | |||
1904 | static void | ||
1905 | harbaum | 86 | osd_draw(osm_gps_map_osd_t *osd, GdkDrawable *drawable) |
1906 | harbaum | 70 | { |
1907 | harbaum | 73 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1908 | harbaum | 70 | |
1909 | /* OSD itself uses some off-screen rendering, so check if the */ | ||
1910 | /* offscreen buffer is present and create it if not */ | ||
1911 | harbaum | 108 | if(!priv->controls.surface) { |
1912 | harbaum | 70 | /* create overlay ... */ |
1913 | harbaum | 108 | priv->controls.surface = |
1914 | harbaum | 86 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W+2, OSD_H+2); |
1915 | |||
1916 | harbaum | 108 | priv->controls.rendered = FALSE; |
1917 | #ifdef OSD_GPS_BUTTON | ||
1918 | priv->controls.gps_enabled = FALSE; | ||
1919 | #endif | ||
1920 | |||
1921 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
1922 | harbaum | 86 | /* the initial OSD state is alway not-expanded */ |
1923 | harbaum | 110 | priv->source_sel.surface = |
1924 | harbaum | 86 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1925 | OSD_S_W+2, OSD_S_H+2); | ||
1926 | harbaum | 111 | priv->source_sel.rendered = FALSE; |
1927 | harbaum | 88 | #endif |
1928 | harbaum | 86 | |
1929 | harbaum | 98 | #ifdef OSD_SCALE |
1930 | harbaum | 110 | priv->scale.surface = |
1931 | harbaum | 98 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1932 | harbaum | 103 | OSD_SCALE_W, OSD_SCALE_H); |
1933 | harbaum | 110 | priv->scale.zoom = -1; |
1934 | harbaum | 98 | #endif |
1935 | |||
1936 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
1937 | harbaum | 110 | priv->crosshair.surface = |
1938 | harbaum | 105 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1939 | OSD_CROSSHAIR_W, OSD_CROSSHAIR_H); | ||
1940 | harbaum | 110 | priv->crosshair.rendered = FALSE; |
1941 | harbaum | 105 | #endif |
1942 | |||
1943 | harbaum | 106 | #ifdef OSD_COORDINATES |
1944 | harbaum | 110 | priv->coordinates.surface = |
1945 | harbaum | 106 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1946 | OSD_COORDINATES_W, OSD_COORDINATES_H); | ||
1947 | harbaum | 108 | |
1948 | harbaum | 110 | priv->coordinates.lat = priv->coordinates.lon = OSM_GPS_MAP_INVALID; |
1949 | harbaum | 106 | #endif |
1950 | |||
1951 | harbaum | 70 | /* ... and render it */ |
1952 | harbaum | 86 | osd_render(osd); |
1953 | harbaum | 70 | } |
1954 | |||
1955 | // now draw this onto the original context | ||
1956 | harbaum | 75 | cairo_t *cr = gdk_cairo_create(drawable); |
1957 | harbaum | 77 | |
1958 | harbaum | 113 | gint x, y; |
1959 | harbaum | 77 | |
1960 | harbaum | 106 | #ifdef OSD_SCALE |
1961 | x = OSD_X; | ||
1962 | y = -OSD_Y; | ||
1963 | if(x < 0) x += osd->widget->allocation.width - OSD_SCALE_W; | ||
1964 | if(y < 0) y += osd->widget->allocation.height - OSD_SCALE_H; | ||
1965 | harbaum | 77 | |
1966 | harbaum | 110 | cairo_set_source_surface(cr, priv->scale.surface, x, y); |
1967 | harbaum | 106 | cairo_paint(cr); |
1968 | #endif | ||
1969 | |||
1970 | #ifdef OSD_CROSSHAIR | ||
1971 | x = (osd->widget->allocation.width - OSD_CROSSHAIR_W)/2; | ||
1972 | y = (osd->widget->allocation.height - OSD_CROSSHAIR_H)/2; | ||
1973 | |||
1974 | harbaum | 110 | cairo_set_source_surface(cr, priv->crosshair.surface, x, y); |
1975 | harbaum | 106 | cairo_paint(cr); |
1976 | #endif | ||
1977 | |||
1978 | harbaum | 122 | #ifdef OSD_NAV |
1979 | harbaum | 123 | if(priv->nav.surface) { |
1980 | x = OSD_X; | ||
1981 | if(x < 0) x += osd->widget->allocation.width - OSD_NAV_W; | ||
1982 | y = (osd->widget->allocation.height - OSD_NAV_H)/2; | ||
1983 | |||
1984 | cairo_set_source_surface(cr, priv->nav.surface, x, y); | ||
1985 | cairo_paint(cr); | ||
1986 | } | ||
1987 | harbaum | 122 | #endif |
1988 | |||
1989 | harbaum | 106 | #ifdef OSD_COORDINATES |
1990 | x = -OSD_X; | ||
1991 | y = -OSD_Y; | ||
1992 | if(x < 0) x += osd->widget->allocation.width - OSD_COORDINATES_W; | ||
1993 | if(y < 0) y += osd->widget->allocation.height - OSD_COORDINATES_H; | ||
1994 | |||
1995 | harbaum | 110 | cairo_set_source_surface(cr, priv->coordinates.surface, x, y); |
1996 | harbaum | 106 | cairo_paint(cr); |
1997 | #endif | ||
1998 | |||
1999 | harbaum | 113 | #ifdef OSD_BALLOON |
2000 | if(priv->balloon.surface) { | ||
2001 | |||
2002 | /* convert given lat lon into screen coordinates */ | ||
2003 | gint x, y; | ||
2004 | osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), | ||
2005 | priv->balloon.lat, priv->balloon.lon, | ||
2006 | &x, &y); | ||
2007 | |||
2008 | /* check if balloon needs to be rerendered */ | ||
2009 | osd_render_balloon(osd); | ||
2010 | |||
2011 | cairo_set_source_surface(cr, priv->balloon.surface, | ||
2012 | x + priv->balloon.offset_x, | ||
2013 | y + priv->balloon.offset_y); | ||
2014 | cairo_paint(cr); | ||
2015 | } | ||
2016 | #endif | ||
2017 | |||
2018 | harbaum | 106 | x = OSD_X; |
2019 | if(x < 0) | ||
2020 | x += osd->widget->allocation.width - OSD_W; | ||
2021 | |||
2022 | y = OSD_Y; | ||
2023 | if(y < 0) | ||
2024 | y += osd->widget->allocation.height - OSD_H; | ||
2025 | |||
2026 | harbaum | 108 | cairo_set_source_surface(cr, priv->controls.surface, x, y); |
2027 | harbaum | 70 | cairo_paint(cr); |
2028 | harbaum | 86 | |
2029 | #ifdef OSD_SOURCE_SEL | ||
2030 | harbaum | 110 | if(!priv->source_sel.handler_id) { |
2031 | harbaum | 86 | /* the OSD source selection is not being animated */ |
2032 | harbaum | 110 | if(!priv->source_sel.expanded) |
2033 | harbaum | 86 | x = osd->widget->allocation.width - OSD_S_W; |
2034 | else | ||
2035 | x = osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; | ||
2036 | } else | ||
2037 | harbaum | 110 | x = priv->source_sel.shift; |
2038 | harbaum | 86 | |
2039 | y = OSD_S_Y; | ||
2040 | if(OSD_S_Y < 0) { | ||
2041 | harbaum | 110 | if(!priv->source_sel.expanded) |
2042 | harbaum | 86 | y = osd->widget->allocation.height - OSD_S_H + OSD_S_Y; |
2043 | else | ||
2044 | y = osd->widget->allocation.height - OSD_S_EXP_H + OSD_S_Y; | ||
2045 | } | ||
2046 | |||
2047 | harbaum | 110 | cairo_set_source_surface(cr, priv->source_sel.surface, x, y); |
2048 | harbaum | 86 | cairo_paint(cr); |
2049 | #endif | ||
2050 | |||
2051 | harbaum | 70 | cairo_destroy(cr); |
2052 | harbaum | 143 | FOUT; |
2053 | harbaum | 70 | } |
2054 | |||
2055 | static void | ||
2056 | harbaum | 86 | osd_free(osm_gps_map_osd_t *osd) |
2057 | harbaum | 70 | { |
2058 | harbaum | 143 | FIN; |
2059 | harbaum | 73 | osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
2060 | harbaum | 70 | |
2061 | harbaum | 108 | if (priv->controls.surface) |
2062 | cairo_surface_destroy(priv->controls.surface); | ||
2063 | harbaum | 88 | |
2064 | #ifdef OSD_SOURCE_SEL | ||
2065 | harbaum | 110 | if(priv->source_sel.handler_id) |
2066 | gtk_timeout_remove(priv->source_sel.handler_id); | ||
2067 | harbaum | 86 | |
2068 | harbaum | 110 | if (priv->source_sel.surface) |
2069 | cairo_surface_destroy(priv->source_sel.surface); | ||
2070 | harbaum | 88 | #endif |
2071 | harbaum | 86 | |
2072 | harbaum | 98 | #ifdef OSD_SCALE |
2073 | harbaum | 110 | if (priv->scale.surface) |
2074 | cairo_surface_destroy(priv->scale.surface); | ||
2075 | harbaum | 98 | #endif |
2076 | |||
2077 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
2078 | harbaum | 110 | if (priv->crosshair.surface) |
2079 | cairo_surface_destroy(priv->crosshair.surface); | ||
2080 | harbaum | 105 | #endif |
2081 | |||
2082 | harbaum | 122 | #ifdef OSD_NAV |
2083 | if (priv->nav.surface) | ||
2084 | cairo_surface_destroy(priv->nav.surface); | ||
2085 | #endif | ||
2086 | |||
2087 | harbaum | 106 | #ifdef OSD_COORDINATES |
2088 | harbaum | 110 | if (priv->coordinates.surface) |
2089 | cairo_surface_destroy(priv->coordinates.surface); | ||
2090 | harbaum | 106 | #endif |
2091 | |||
2092 | harbaum | 112 | #ifdef OSD_BALLOON |
2093 | if (priv->balloon.surface) | ||
2094 | cairo_surface_destroy(priv->balloon.surface); | ||
2095 | #endif | ||
2096 | |||
2097 | harbaum | 226 | printf("freeing priv\n"); |
2098 | harbaum | 73 | g_free(priv); |
2099 | harbaum | 143 | FOUT; |
2100 | harbaum | 73 | } |
2101 | |||
2102 | harbaum | 87 | static gboolean |
2103 | osd_busy(osm_gps_map_osd_t *osd) | ||
2104 | { | ||
2105 | harbaum | 143 | FIN; |
2106 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
2107 | harbaum | 87 | osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
2108 | harbaum | 110 | return (priv->source_sel.handler_id != 0); |
2109 | harbaum | 88 | #else |
2110 | return FALSE; | ||
2111 | #endif | ||
2112 | harbaum | 87 | } |
2113 | |||
2114 | harbaum | 136 | static osd_button_t |
2115 | osd_check(osm_gps_map_osd_t *osd, gboolean down, gint x, gint y) { | ||
2116 | harbaum | 143 | FIN; |
2117 | harbaum | 136 | return osd_check_int(osd, TRUE, down, x, y); |
2118 | } | ||
2119 | |||
2120 | harbaum | 73 | static osm_gps_map_osd_t osd_classic = { |
2121 | harbaum | 88 | .widget = NULL, |
2122 | |||
2123 | harbaum | 86 | .draw = osd_draw, |
2124 | .check = osd_check, | ||
2125 | .render = osd_render, | ||
2126 | .free = osd_free, | ||
2127 | harbaum | 87 | .busy = osd_busy, |
2128 | harbaum | 73 | |
2129 | .cb = NULL, | ||
2130 | .data = NULL, | ||
2131 | |||
2132 | .priv = NULL | ||
2133 | }; | ||
2134 | |||
2135 | /* this is the only function that's externally visible */ | ||
2136 | void | ||
2137 | osm_gps_map_osd_classic_init(OsmGpsMap *map) | ||
2138 | { | ||
2139 | harbaum | 143 | FIN; |
2140 | harbaum | 228 | |
2141 | osd_priv_t *priv = g_new0(osd_priv_t, 1); | ||
2142 | harbaum | 226 | printf("alloc new osd priv\n"); |
2143 | harbaum | 73 | |
2144 | harbaum | 228 | /* reset entries to default value */ |
2145 | osd_classic.widget = NULL; | ||
2146 | osd_classic.cb = NULL; | ||
2147 | osd_classic.data = NULL; | ||
2148 | osd_classic.priv = priv; | ||
2149 | |||
2150 | harbaum | 112 | #ifdef OSD_BALLOON |
2151 | priv->balloon.lat = OSM_GPS_MAP_INVALID; | ||
2152 | priv->balloon.lon = OSM_GPS_MAP_INVALID; | ||
2153 | #endif | ||
2154 | |||
2155 | harbaum | 73 | osm_gps_map_register_osd(map, &osd_classic); |
2156 | harbaum | 143 | FOUT; |
2157 | harbaum | 73 | } |
2158 | |||
2159 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
2160 | harbaum | 74 | /* below are osd specific functions which aren't used by osm-gps-map */ |
2161 | /* but instead are to be used by the main application */ | ||
2162 | harbaum | 76 | void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdCallback cb, |
2163 | gpointer data) { | ||
2164 | harbaum | 143 | FIN; |
2165 | harbaum | 73 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
2166 | g_return_if_fail (osd); | ||
2167 | |||
2168 | osd->cb = cb; | ||
2169 | osd->data = data; | ||
2170 | |||
2171 | harbaum | 70 | /* this may have changed the state of the gps button */ |
2172 | /* we thus re-render the overlay */ | ||
2173 | harbaum | 73 | osd->render(osd); |
2174 | harbaum | 70 | |
2175 | harbaum | 73 | osm_gps_map_redraw(map); |
2176 | harbaum | 143 | FOUT; |
2177 | harbaum | 70 | } |
2178 | harbaum | 76 | #endif |
2179 | harbaum | 86 | |
2180 | osd_button_t | ||
2181 | osm_gps_map_osd_check(OsmGpsMap *map, gint x, gint y) { | ||
2182 | harbaum | 143 | FIN; |
2183 | harbaum | 86 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
2184 | g_return_val_if_fail (osd, OSD_NONE); | ||
2185 | |||
2186 | harbaum | 136 | return osd_check_int(osd, FALSE, TRUE, x, y); |
2187 | harbaum | 86 | } |