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More fremantleization
1 | /* |
2 | * Copyright (C) 2008 Till Harbaum <till@harbaum.org>. |
3 | * |
4 | * This file is part of GPXView. |
5 | * |
6 | * GPXView is free software: you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation, either version 3 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * GPXView is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with GPXView. If not, see <http://www.gnu.org/licenses/>. |
18 | */ |
19 | |
20 | #include <math.h> |
21 | #include <string.h> |
22 | #include <ctype.h> |
23 | |
24 | #include <glib.h> |
25 | #include <glib/gstdio.h> |
26 | |
27 | #include "gpxview.h" |
28 | |
29 | #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR >= 5) |
30 | #include <hildon/hildon-entry.h> |
31 | #endif |
32 | |
33 | char strlastchr(char *str) { |
34 | return str[strlen(str)]-1; |
35 | } |
36 | |
37 | /* make sure the entire path "dir" exists and create it if not */ |
38 | int checkdir(char *dir) { |
39 | struct stat filestat; |
40 | char *p = dir, tmp; |
41 | |
42 | /* don't try to create root dir */ |
43 | if(p[0] == '/') p++; |
44 | |
45 | do { |
46 | while(*p && *p != '/') p++; |
47 | tmp = *p; |
48 | *p = 0; |
49 | |
50 | int err = stat(dir, &filestat); |
51 | if(err) { |
52 | if(mkdir(dir, S_IRWXU) != 0) { |
53 | perror("mkdir()"); |
54 | *p++ = tmp; |
55 | return -1; |
56 | } |
57 | } else { |
58 | if(!filestat.st_mode & S_IFDIR) { |
59 | printf("File %s exists and is _no_ directory\n", dir); |
60 | *p++ = tmp; |
61 | return -1; |
62 | } |
63 | } |
64 | |
65 | *p++ = tmp; |
66 | } while(tmp && strchr(p, '/')); |
67 | |
68 | return 0; |
69 | } |
70 | |
71 | void pos_lat_str(char *str, int len, float latitude) { |
72 | char *c = _("N"); |
73 | float integral, fractional; |
74 | |
75 | if(isnan(latitude)) |
76 | str[0] = 0; |
77 | else { |
78 | if(latitude < 0) { latitude = fabs(latitude); c = _("S"); } |
79 | fractional = modff(latitude, &integral); |
80 | |
81 | snprintf(str, len, "%s %02d° %06.3f'", c, (int)integral, fractional*60.0); |
82 | } |
83 | } |
84 | |
85 | GtkWidget *pos_lat(float latitude, int size, int strikethrough) { |
86 | char str[32]; |
87 | |
88 | pos_lat_str(str, sizeof(str), latitude); |
89 | return gtk_label_attrib(str, size, strikethrough); |
90 | } |
91 | |
92 | void pos_lon_str(char *str, int len, float longitude) { |
93 | char *c = _("E"); |
94 | float integral, fractional; |
95 | |
96 | if(isnan(longitude)) |
97 | str[0] = 0; |
98 | else { |
99 | if(longitude < 0) { longitude = fabs(longitude); c = _("W"); } |
100 | fractional = modff(longitude, &integral); |
101 | |
102 | snprintf(str, len, "%s %03d° %06.3f'", c, (int)integral, fractional*60.0); |
103 | } |
104 | } |
105 | |
106 | GtkWidget *pos_lon(float longitude, int size, int strikethrough) { |
107 | char str[32]; |
108 | |
109 | pos_lon_str(str, sizeof(str), longitude); |
110 | return gtk_label_attrib(str, size, strikethrough); |
111 | } |
112 | |
113 | float pos_parse_lat(char *str) { |
114 | int integral_int; |
115 | float fractional; |
116 | char c; |
117 | |
118 | if(sscanf(str, "%c %d° %f'", &c, &integral_int, &fractional) == 3) { |
119 | c = toupper(c); |
120 | |
121 | if(c != 'S' && c != 'N') |
122 | return NAN; |
123 | |
124 | /* prevent -0.0 */ |
125 | if(!integral_int && (fractional == 0.0)) |
126 | return 0.0; |
127 | |
128 | return ((c == 'S')?-1:+1) * (integral_int + fractional/60.0); |
129 | } |
130 | |
131 | return NAN; |
132 | } |
133 | |
134 | float pos_parse_lon(char *str) { |
135 | int integral_int; |
136 | float fractional; |
137 | char c; |
138 | |
139 | if(sscanf(str, "%c %d° %f'", &c, &integral_int, &fractional) == 3) { |
140 | c = toupper(c); |
141 | |
142 | /* O is german "Ost" for "East" */ |
143 | if(c != 'E' && c != 'W' && c != 'O') |
144 | return NAN; |
145 | |
146 | /* prevent -0.0 */ |
147 | if(!integral_int && (fractional == 0.0)) |
148 | return 0.0; |
149 | |
150 | return ((c == 'W')?-1:+1) * (integral_int + fractional/60.0); |
151 | } |
152 | |
153 | return NAN; |
154 | } |
155 | |
156 | const char *pos_get_bearing_str(pos_t from, pos_t to) { |
157 | static const char *bear_str[]={ |
158 | "N", "NE", "E", "SE", "S", "SW", "W", "NW", "" }; |
159 | |
160 | float bearing = gpx_pos_get_bearing(from, to); |
161 | if(!isnan(bearing)) { |
162 | int idx = (bearing+22.5)/45.0; |
163 | /* make sure we stay in icon bounds */ |
164 | while(idx < 0) idx += 8; |
165 | while(idx > 7) idx -= 8; |
166 | return _(bear_str[idx]); |
167 | } |
168 | |
169 | return bear_str[8]; // empty string |
170 | } |
171 | |
172 | /* the maemo font size is quite huge, so we adjust some fonts */ |
173 | /* differently on maemo and non-maemo. Basically "BIG" does nothing */ |
174 | /* on maemo and "SMALL" only does something on maemo */ |
175 | #ifdef USE_MAEMO |
176 | #define MARKUP_SMALL "<span size='small'>%s</span>" |
177 | GtkWidget *gtk_label_small(char *str) { |
178 | GtkWidget *label = gtk_label_new(""); |
179 | char *markup = g_markup_printf_escaped(MARKUP_SMALL, str); |
180 | gtk_label_set_markup(GTK_LABEL(label), markup); |
181 | g_free(markup); |
182 | return label; |
183 | } |
184 | #else |
185 | #define MARKUP_BIG "<span size='x-large'>%s</span>" |
186 | GtkWidget *gtk_label_big(char *str) { |
187 | GtkWidget *label = gtk_label_new(""); |
188 | char *markup = g_markup_printf_escaped(MARKUP_BIG, str); |
189 | gtk_label_set_markup(GTK_LABEL(label), markup); |
190 | g_free(markup); |
191 | return label; |
192 | } |
193 | #endif |
194 | |
195 | void gtk_label_attrib_set(GtkWidget *label, |
196 | char *str, int size, int strikethrough) { |
197 | char format[80]; |
198 | |
199 | snprintf(format, sizeof(format), "<span%s%s%s>%%s</span>", |
200 | #ifdef USE_MAEMO |
201 | (size==SIZE_SMALL)?" size='small'":"", |
202 | #else |
203 | (size==SIZE_BIG)?" size='x-large'":"", |
204 | #endif |
205 | strikethrough?" strikethrough='yes'":"", |
206 | (strikethrough==STRIKETHROUGH_RED)?" strikethrough_color='red'":""); |
207 | |
208 | char *markup = g_markup_printf_escaped(format, str); |
209 | // printf("markup = %s\n", markup); |
210 | gtk_label_set_markup(GTK_LABEL(label), markup); |
211 | g_free(markup); |
212 | } |
213 | |
214 | GtkWidget *gtk_label_attrib(char *str, int size, int strikethrough) { |
215 | GtkWidget *label = gtk_label_new(""); |
216 | gtk_label_attrib_set(label, str, size, strikethrough); |
217 | return label; |
218 | } |
219 | |
220 | GtkWidget *gtk_button_attrib(char *str, int size, int strikethrough) { |
221 | GtkWidget *button = gtk_button_new_with_label(""); |
222 | gtk_label_attrib_set(gtk_bin_get_child(GTK_BIN(button)), |
223 | str, size, strikethrough); |
224 | return button; |
225 | } |
226 | |
227 | void textbox_disable(GtkWidget *widget) { |
228 | gtk_editable_set_editable(GTK_EDITABLE(widget), FALSE); |
229 | gtk_widget_set_sensitive(widget, FALSE); |
230 | } |
231 | |
232 | void textbox_enable(GtkWidget *widget) { |
233 | gtk_widget_set_sensitive(widget, TRUE); |
234 | gtk_editable_set_editable(GTK_EDITABLE(widget), TRUE); |
235 | } |
236 | |
237 | pos_t *get_pos(appdata_t *appdata) { |
238 | pos_t *pos = &appdata->home; |
239 | |
240 | if(appdata->active_location) { |
241 | int i = appdata->active_location-1; |
242 | location_t *loc = appdata->location; |
243 | while(i--) loc = loc->next; |
244 | pos = &loc->pos; |
245 | } |
246 | |
247 | if(appdata->use_gps) { |
248 | pos = gps_get_pos(appdata); |
249 | |
250 | if(!pos) pos = &appdata->gps; /* use saved position */ |
251 | else appdata->gps = *pos; /* save position */ |
252 | } |
253 | return pos; |
254 | } |
255 | |
256 | void distance_str(char *str, int len, float dist, gboolean imperial) { |
257 | if(isnan(dist)) |
258 | snprintf(str, len, "---"); |
259 | else if(imperial) { |
260 | /* 1 mil = 1760 yd = 5280 ft ... */ |
261 | if(dist<0.018) snprintf(str, len, "%.1f ft", dist*5280.0); |
262 | else if(dist<0.055) snprintf(str, len, "%.1f yd", dist*1760.0); |
263 | else if(dist<0.55) snprintf(str, len, "%.0f yd", dist*1760.0); |
264 | else if(dist<10.0) snprintf(str, len, "%.2f mi", dist); |
265 | else if(dist<100.0) snprintf(str, len, "%.1f mi", dist); |
266 | else snprintf(str, len, "%.0f mi", dist); |
267 | } else { |
268 | if(dist<0.01) snprintf(str, len, "%.2f m", dist*1000.0); |
269 | else if(dist<0.1) snprintf(str, len, "%.1f m", dist*1000.0); |
270 | else if(dist<1.0) snprintf(str, len, "%.0f m", dist*1000.0); |
271 | else if(dist<100.0) snprintf(str, len, "%.1f km", dist); |
272 | else snprintf(str, len, "%.0f km", dist); |
273 | } |
274 | } |
275 | |
276 | /* return distance in miles or kilometers */ |
277 | float distance_parse(char *str, gboolean imperial) { |
278 | char unit[4]; |
279 | float val = NAN; |
280 | |
281 | if(sscanf(str, "%f %3s", &val, unit) == 2) { |
282 | gboolean fimp = FALSE; |
283 | |
284 | if(strcasecmp(unit, "ft") == 0) { fimp = TRUE; val /= 5280.0; } |
285 | else if(strcasecmp(unit, "yd") == 0) { fimp = TRUE; val /= 1760.0; } |
286 | else if(strcasecmp(unit, "mi") == 0) { fimp = TRUE; } |
287 | else if(strcasecmp(unit, "m") == 0) { fimp = FALSE; val /= 1000.0; } |
288 | else if(strcasecmp(unit, "km") == 0) { fimp = FALSE; } |
289 | else val = NAN; |
290 | |
291 | /* found imperial and metric requested? convert miles into kilometers */ |
292 | if(fimp & !imperial) val *= 1.609344; |
293 | |
294 | /* found metric and imperial requested? convert kilometers into miles */ |
295 | if(!fimp & imperial) val /= 1.609344; |
296 | } |
297 | return val; |
298 | } |
299 | |
300 | static gboolean mark(GtkWidget *widget, gboolean valid) { |
301 | gtk_widget_set_state(widget, valid?GTK_STATE_NORMAL:TAG_STATE); |
302 | return valid; |
303 | } |
304 | |
305 | static void callback_modified_lat(GtkWidget *widget, gpointer data ) { |
306 | float i = pos_parse_lat((char*)gtk_entry_get_text(GTK_ENTRY(widget))); |
307 | mark(widget, !isnan(i)); |
308 | } |
309 | |
310 | /* a entry that is colored red when being "active" */ |
311 | GtkWidget *lat_entry_new(float lat) { |
312 | GdkColor color; |
313 | |
314 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
315 | GtkWidget *widget = gtk_entry_new(); |
316 | #else |
317 | GtkWidget *widget = hildon_entry_new(HILDON_SIZE_AUTO); |
318 | #endif |
319 | |
320 | gdk_color_parse("#ff0000", &color); |
321 | gtk_widget_modify_text(widget, TAG_STATE, &color); |
322 | |
323 | char str[32]; |
324 | pos_lat_str(str, sizeof(str), lat); |
325 | gtk_entry_set_text(GTK_ENTRY(widget), str); |
326 | |
327 | g_signal_connect(G_OBJECT(widget), "changed", |
328 | G_CALLBACK(callback_modified_lat), NULL); |
329 | |
330 | return widget; |
331 | } |
332 | |
333 | static void callback_modified_lon(GtkWidget *widget, gpointer data ) { |
334 | float i = pos_parse_lon((char*)gtk_entry_get_text(GTK_ENTRY(widget))); |
335 | mark(widget, !isnan(i)); |
336 | } |
337 | |
338 | /* a entry that is colored red when filled with invalid coordinate */ |
339 | GtkWidget *lon_entry_new(float lon) { |
340 | GdkColor color; |
341 | |
342 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
343 | GtkWidget *widget = gtk_entry_new(); |
344 | #else |
345 | GtkWidget *widget = hildon_entry_new(HILDON_SIZE_AUTO); |
346 | // gtk_entry_set_width_chars(GTK_ENTRY(widget), 14); |
347 | #endif |
348 | |
349 | gdk_color_parse("#ff0000", &color); |
350 | gtk_widget_modify_text(widget, TAG_STATE, &color); |
351 | |
352 | char str[32]; |
353 | pos_lon_str(str, sizeof(str), lon); |
354 | gtk_entry_set_text(GTK_ENTRY(widget), str); |
355 | |
356 | g_signal_connect(G_OBJECT(widget), "changed", |
357 | G_CALLBACK(callback_modified_lon), NULL); |
358 | |
359 | return widget; |
360 | } |
361 | |
362 | |
363 | float lat_get(GtkWidget *widget) { |
364 | char *p = (char*)gtk_entry_get_text(GTK_ENTRY(widget)); |
365 | return pos_parse_lat(p); |
366 | } |
367 | |
368 | float lon_get(GtkWidget *widget) { |
369 | char *p = (char*)gtk_entry_get_text(GTK_ENTRY(widget)); |
370 | return pos_parse_lon(p); |
371 | } |
372 | |
373 | static void callback_modified_dist(GtkWidget *widget, gpointer data ) { |
374 | /* don't care for metric/imperial since we only want to know if this */ |
375 | /* is parseable at all */ |
376 | float i = distance_parse((char*)gtk_entry_get_text(GTK_ENTRY(widget)), FALSE); |
377 | mark(widget, !isnan(i)); |
378 | } |
379 | |
380 | /* a entry that is colored red when filled with invalid distance */ |
381 | GtkWidget *dist_entry_new(float dist, gboolean mil) { |
382 | GdkColor color; |
383 | GtkWidget *widget = gtk_entry_new(); |
384 | gdk_color_parse("#ff0000", &color); |
385 | gtk_widget_modify_text(widget, TAG_STATE, &color); |
386 | |
387 | char str[32]; |
388 | distance_str(str, sizeof(str), dist, mil); |
389 | gtk_entry_set_text(GTK_ENTRY(widget), str); |
390 | |
391 | g_signal_connect(G_OBJECT(widget), "changed", |
392 | G_CALLBACK(callback_modified_dist), NULL); |
393 | |
394 | return widget; |
395 | } |
396 | |
397 | float dist_get(GtkWidget *widget, gboolean mil) { |
398 | char *p = (char*)gtk_entry_get_text(GTK_ENTRY(widget)); |
399 | return distance_parse(p, mil); |
400 | } |
401 | |
402 | #ifndef USE_MAEMO |
403 | #ifdef ENABLE_BROWSER_INTERFACE |
404 | #include <libgnome/gnome-url.h> |
405 | |
406 | int browser_url(appdata_t *appdata, char *url) { |
407 | /* taken from gnome-open, part of libgnome */ |
408 | GError *err = NULL; |
409 | gnome_url_show(url, &err); |
410 | return 0; |
411 | } |
412 | #endif |
413 | #endif |
414 | |
415 | /* recursively remove an entire file system */ |
416 | void rmdir_recursive(char *path) { |
417 | GDir *dir = g_dir_open(path, 0, NULL); |
418 | if(dir) { |
419 | const char *name = g_dir_read_name(dir); |
420 | while(name) { |
421 | char *fullname = g_strdup_printf("%s/%s", path, name); |
422 | // printf("deleting %s\n", fullname); |
423 | |
424 | if(g_file_test(fullname, G_FILE_TEST_IS_DIR)) |
425 | rmdir_recursive(fullname); |
426 | else if(g_file_test(fullname, G_FILE_TEST_IS_REGULAR)) |
427 | g_remove(fullname); |
428 | |
429 | g_free(fullname); |
430 | name = g_dir_read_name(dir); |
431 | } |
432 | |
433 | g_dir_close(dir); |
434 | } |
435 | g_rmdir(path); |
436 | } |
437 | |
438 | #ifdef ENABLE_BROWSER_INTERFACE |
439 | static void on_link_clicked(GtkButton *button, gpointer data) { |
440 | appdata_t *appdata = (appdata_t*)data; |
441 | char *url = g_object_get_data(G_OBJECT(button), "url"); |
442 | if(url) browser_url(appdata, url); |
443 | } |
444 | #endif |
445 | |
446 | /* a button containing a weblink */ |
447 | GtkWidget *link_button_attrib(appdata_t *appdata, char *str, char *url, |
448 | int size, int strikethrough) { |
449 | |
450 | #ifdef ENABLE_BROWSER_INTERFACE |
451 | if(url) { |
452 | GtkWidget *button = gtk_button_attrib(str, size, strikethrough); |
453 | g_object_set_data(G_OBJECT(button), "url", url); |
454 | gtk_signal_connect(GTK_OBJECT(button), "clicked", |
455 | (GtkSignalFunc)on_link_clicked, appdata); |
456 | |
457 | return button; |
458 | } |
459 | #endif |
460 | return gtk_label_attrib(str, size, strikethrough); |
461 | } |
462 | |
463 | #ifdef ENABLE_BROWSER_INTERFACE |
464 | static void on_link_id_clicked(GtkButton *button, gpointer data) { |
465 | appdata_t *appdata = (appdata_t*)data; |
466 | |
467 | unsigned int id = (unsigned int)g_object_get_data(G_OBJECT(button), "id"); |
468 | char *type = g_object_get_data(G_OBJECT(button), "type"); |
469 | |
470 | char *url = g_strdup_printf("http://www.geocaching.com/%s?id=%u", |
471 | type, id); |
472 | |
473 | if(url) { |
474 | browser_url(appdata, url); |
475 | g_free(url); |
476 | } |
477 | } |
478 | #endif |
479 | |
480 | GtkWidget *link_button_by_id(appdata_t *appdata, char *str, |
481 | const char *type, int id) { |
482 | |
483 | #ifdef ENABLE_BROWSER_INTERFACE |
484 | if(id) { |
485 | GtkWidget *ref = gtk_button_new_with_label(str); |
486 | #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5) |
487 | // hildon_gtk_widget_set_theme_size(ref, |
488 | // (HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH)); |
489 | #endif |
490 | g_object_set_data(G_OBJECT(ref), "id", (gpointer)id); |
491 | g_object_set_data(G_OBJECT(ref), "type", (gpointer)type); |
492 | gtk_signal_connect(GTK_OBJECT(ref), "clicked", |
493 | GTK_SIGNAL_FUNC(on_link_id_clicked), appdata); |
494 | |
495 | return ref; |
496 | } |
497 | #endif |
498 | return gtk_label_new(str); |
499 | } |
500 | |
501 | |
502 | GtkWidget *link_icon_button_by_id(appdata_t *appdata, GtkWidget *icon, |
503 | const char *type, int id) { |
504 | |
505 | #ifdef ENABLE_BROWSER_INTERFACE |
506 | if(id) { |
507 | GtkWidget *ref = gtk_button_new(); |
508 | gtk_button_set_image(GTK_BUTTON(ref), icon); |
509 | |
510 | #if defined(USE_MAEMO) && (MAEMO_VERSION_MAJOR == 5) |
511 | // hildon_gtk_widget_set_theme_size(ref, |
512 | // (HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH)); |
513 | #endif |
514 | g_object_set_data(G_OBJECT(ref), "id", (gpointer)id); |
515 | g_object_set_data(G_OBJECT(ref), "type", (gpointer)type); |
516 | gtk_signal_connect(GTK_OBJECT(ref), "clicked", |
517 | GTK_SIGNAL_FUNC(on_link_id_clicked), appdata); |
518 | |
519 | return ref; |
520 | } |
521 | #endif |
522 | return icon; |
523 | } |
524 | |
525 | /* left aligned, word wrapped multiline widget */ |
526 | GtkWidget *simple_text_widget(char *text) { |
527 | GtkWidget *label = gtk_label_new(text); |
528 | |
529 | gtk_label_set_line_wrap(GTK_LABEL(label), TRUE); |
530 | gtk_label_set_line_wrap_mode(GTK_LABEL(label), PANGO_WRAP_WORD); |
531 | gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5); |
532 | |
533 | return label; |
534 | } |