]> git.tdb.fi Git - ext/subsurface.git/blob - gtk-gui.c
Add preference option to chose if SAC and/or OTU should be in divelist
[ext/subsurface.git] / gtk-gui.c
1 /* gtk-gui.c */
2 /* gtk UI implementation */
3 /* creates the window and overall layout
4  * divelist, dive info, equipment and printing are handled in their own source files
5  */
6 #include <stdio.h>
7 #include <string.h>
8 #include <stdlib.h>
9 #include <time.h>
10
11 #include <gconf/gconf-client.h>
12
13 #include "dive.h"
14 #include "divelist.h"
15 #include "display.h"
16 #include "display-gtk.h"
17
18 #include "libdivecomputer.h"
19
20 GtkWidget *main_window;
21 GtkWidget *main_vbox;
22 GtkWidget *error_info_bar;
23 GtkWidget *error_label;
24 int        error_count;
25
26 #define DIVELIST_DEFAULT_FONT "Sans 8"
27 const char *divelist_font;
28
29 GConfClient *gconf;
30 struct units output_units;
31
32 #define GCONF_NAME(x) "/apps/subsurface/" #x
33
34 static GtkWidget *dive_profile;
35
36 visible_cols_t visible_cols = {TRUE, FALSE};
37
38 void repaint_dive(void)
39 {
40         update_dive(current_dive);
41         gtk_widget_queue_draw(dive_profile);
42 }
43
44 static char *existing_filename;
45
46 static void on_info_bar_response(GtkWidget *widget, gint response,
47                                  gpointer data)
48 {
49         if (response == GTK_RESPONSE_OK)
50         {
51                 gtk_widget_destroy(widget);
52                 error_info_bar = NULL;
53         }
54 }
55
56 void report_error(GError* error)
57 {
58         if (error == NULL)
59         {
60                 return;
61         }
62         
63         if (error_info_bar == NULL)
64         {
65                 error_count = 1;
66                 error_info_bar = gtk_info_bar_new_with_buttons(GTK_STOCK_OK,
67                                                                GTK_RESPONSE_OK,
68                                                                NULL);
69                 g_signal_connect(error_info_bar, "response", G_CALLBACK(on_info_bar_response), NULL);
70                 gtk_info_bar_set_message_type(GTK_INFO_BAR(error_info_bar),
71                                               GTK_MESSAGE_ERROR);
72                 
73                 error_label = gtk_label_new(error->message);
74                 GtkWidget *container = gtk_info_bar_get_content_area(GTK_INFO_BAR(error_info_bar));
75                 gtk_container_add(GTK_CONTAINER(container), error_label);
76                 
77                 gtk_box_pack_start(GTK_BOX(main_vbox), error_info_bar, FALSE, FALSE, 0);
78                 gtk_widget_show_all(main_vbox);
79         }
80         else
81         {
82                 error_count++;
83                 char buffer[256];
84                 snprintf(buffer, sizeof(buffer), "Failed to open %i files.", error_count);
85                 gtk_label_set(GTK_LABEL(error_label), buffer);
86         }
87 }
88
89 static void file_open(GtkWidget *w, gpointer data)
90 {
91         GtkWidget *dialog;
92         dialog = gtk_file_chooser_dialog_new("Open File",
93                 GTK_WINDOW(main_window),
94                 GTK_FILE_CHOOSER_ACTION_OPEN,
95                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
96                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
97                 NULL);
98         gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
99
100         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
101                 GSList *filenames;
102                 char *filename;
103                 filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
104                 
105                 GError *error = NULL;
106                 while(filenames != NULL) {
107                         filename = (char *)filenames->data;
108                         parse_xml_file(filename, &error);
109                         if (error != NULL)
110                         {
111                                 report_error(error);
112                                 g_error_free(error);
113                                 error = NULL;
114                         }
115                         
116                         g_free(filename);
117                         filenames = g_slist_next(filenames);
118                 }
119                 g_slist_free(filenames);
120                 report_dives();
121                 dive_list_update_dives();
122         }
123         gtk_widget_destroy(dialog);
124 }
125
126 static void file_save(GtkWidget *w, gpointer data)
127 {
128         GtkWidget *dialog;
129         dialog = gtk_file_chooser_dialog_new("Save File",
130                 GTK_WINDOW(main_window),
131                 GTK_FILE_CHOOSER_ACTION_SAVE,
132                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
133                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
134                 NULL);
135         gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
136         if (!existing_filename) {
137                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "Untitled document");
138         } else
139                 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), existing_filename);
140
141         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
142                 char *filename;
143                 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
144                 save_dives(filename);
145                 g_free(filename);
146                 mark_divelist_changed(FALSE);
147         }
148         gtk_widget_destroy(dialog);
149 }
150
151 static void ask_save_changes()
152 {
153         GtkWidget *dialog, *label, *content;
154         dialog = gtk_dialog_new_with_buttons("Save Changes?",
155                 GTK_WINDOW(main_window), GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
156                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
157                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
158                 NULL);
159         content = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
160         label = gtk_label_new ("You have unsaved changes\nWould you like to save those before exiting the program?");
161         gtk_container_add (GTK_CONTAINER (content), label);
162         gtk_widget_show_all (dialog);
163         gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
164         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
165                 file_save(NULL,NULL);
166         }
167         gtk_widget_destroy(dialog);
168 }
169
170 static gboolean on_delete(GtkWidget* w, gpointer data)
171 {
172         /* Make sure to flush any modified dive data */
173         update_dive(NULL);
174
175         if (unsaved_changes())
176                 ask_save_changes();
177
178         return FALSE; /* go ahead, kill the program, we're good now */
179 }
180
181 static void on_destroy(GtkWidget* w, gpointer data)
182 {
183         gtk_main_quit();
184 }
185
186 static void quit(GtkWidget *w, gpointer data)
187 {
188         /* Make sure to flush any modified dive data */
189         update_dive(NULL);
190
191         if (unsaved_changes())
192                 ask_save_changes();
193         gtk_main_quit();
194 }
195
196 static void create_radio(GtkWidget *vbox, const char *name, ...)
197 {
198         va_list args;
199         GtkRadioButton *group = NULL;
200         GtkWidget *box, *label;
201
202         box = gtk_hbox_new(TRUE, 10);
203         gtk_box_pack_start(GTK_BOX(vbox), box, FALSE, FALSE, 0);
204
205         label = gtk_label_new(name);
206         gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
207
208         va_start(args, name);
209         for (;;) {
210                 int enabled;
211                 const char *name;
212                 GtkWidget *button;
213                 void *callback_fn;
214
215                 name = va_arg(args, char *);
216                 if (!name)
217                         break;
218                 callback_fn = va_arg(args, void *);
219                 enabled = va_arg(args, int);
220
221                 button = gtk_radio_button_new_with_label_from_widget(group, name);
222                 group = GTK_RADIO_BUTTON(button);
223                 gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
224                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), enabled);
225                 g_signal_connect(button, "toggled", G_CALLBACK(callback_fn), NULL);
226         }
227         va_end(args);
228 }
229
230 #define UNITCALLBACK(name, type, value)                         \
231 static void name(GtkWidget *w, gpointer data)                   \
232 {                                                               \
233         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w))) \
234                 menu_units.type = value;                        \
235 }
236
237 static struct units menu_units;
238
239 UNITCALLBACK(set_meter, length, METERS)
240 UNITCALLBACK(set_feet, length, FEET)
241 UNITCALLBACK(set_bar, pressure, BAR)
242 UNITCALLBACK(set_psi, pressure, PSI)
243 UNITCALLBACK(set_liter, volume, LITER)
244 UNITCALLBACK(set_cuft, volume, CUFT)
245 UNITCALLBACK(set_celsius, temperature, CELSIUS)
246 UNITCALLBACK(set_fahrenheit, temperature, FAHRENHEIT)
247
248 #define OPTIONCALLBACK(name, option) \
249 static void name(GtkWidget *w, gpointer data) \
250 { \
251         option = GTK_TOGGLE_BUTTON(w)->active; \
252 }
253
254 OPTIONCALLBACK(otu_toggle, visible_cols.otu)
255 OPTIONCALLBACK(sac_toggle, visible_cols.sac)
256
257 static void preferences_dialog(GtkWidget *w, gpointer data)
258 {
259         int result;
260         GtkWidget *dialog, *font, *frame, *box, *button;
261
262         menu_units = output_units;
263
264         dialog = gtk_dialog_new_with_buttons("Preferences",
265                 GTK_WINDOW(main_window),
266                 GTK_DIALOG_DESTROY_WITH_PARENT,
267                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
268                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
269                 NULL);
270
271         frame = gtk_frame_new("Units");
272         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), frame, FALSE, FALSE, 5);
273
274         box = gtk_vbox_new(FALSE, 6);
275         gtk_container_add(GTK_CONTAINER(frame), box);
276
277         create_radio(box, "Depth:",
278                 "Meter", set_meter, (output_units.length == METERS),
279                 "Feet",  set_feet, (output_units.length == FEET),
280                 NULL);
281
282         create_radio(box, "Pressure:",
283                 "Bar", set_bar, (output_units.pressure == BAR),
284                 "PSI",  set_psi, (output_units.pressure == PSI),
285                 NULL);
286
287         create_radio(box, "Volume:",
288                 "Liter",  set_liter, (output_units.volume == LITER),
289                 "CuFt", set_cuft, (output_units.volume == CUFT),
290                 NULL);
291
292         create_radio(box, "Temperature:",
293                 "Celsius", set_celsius, (output_units.temperature == CELSIUS),
294                 "Fahrenheit",  set_fahrenheit, (output_units.temperature == FAHRENHEIT),
295                 NULL);
296
297         frame = gtk_frame_new("Columns");
298         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), frame, FALSE, FALSE, 5);
299
300         box = gtk_hbox_new(FALSE, 6);
301         gtk_container_add(GTK_CONTAINER(frame), box);
302
303         button = gtk_check_button_new_with_label("Show SAC");
304         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.sac);
305         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
306         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(sac_toggle), NULL);
307
308         button = gtk_check_button_new_with_label("Show OTU");
309         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.otu);
310         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
311         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(otu_toggle), NULL);
312
313         font = gtk_font_button_new_with_font(divelist_font);
314         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), font, FALSE, FALSE, 5);
315
316         gtk_widget_show_all(dialog);
317         result = gtk_dialog_run(GTK_DIALOG(dialog));
318         if (result == GTK_RESPONSE_ACCEPT) {
319                 /* Make sure to flush any modified old dive data with old units */
320                 update_dive(NULL);
321
322                 divelist_font = strdup(gtk_font_button_get_font_name(GTK_FONT_BUTTON(font)));
323                 set_divelist_font(divelist_font);
324
325                 output_units = menu_units;
326                 update_dive_list_units();
327                 repaint_dive();
328                 update_dive_list_col_visibility();
329                 gconf_client_set_bool(gconf, GCONF_NAME(feet), output_units.length == FEET, NULL);
330                 gconf_client_set_bool(gconf, GCONF_NAME(psi), output_units.pressure == PSI, NULL);
331                 gconf_client_set_bool(gconf, GCONF_NAME(cuft), output_units.volume == CUFT, NULL);
332                 gconf_client_set_bool(gconf, GCONF_NAME(fahrenheit), output_units.temperature == FAHRENHEIT, NULL);
333                 gconf_client_set_bool(gconf, GCONF_NAME(SAC), visible_cols.sac, NULL);
334                 gconf_client_set_bool(gconf, GCONF_NAME(OTU), visible_cols.otu, NULL);
335                 gconf_client_set_string(gconf, GCONF_NAME(divelist_font), divelist_font, NULL);
336         }
337         gtk_widget_destroy(dialog);
338 }
339
340 static void renumber_dialog(GtkWidget *w, gpointer data)
341 {
342         int result;
343         GtkWidget *dialog, *frame, *button;
344
345         dialog = gtk_dialog_new_with_buttons("Renumber",
346                 GTK_WINDOW(main_window),
347                 GTK_DIALOG_DESTROY_WITH_PARENT,
348                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
349                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
350                 NULL);
351
352         frame = gtk_frame_new("New starting number");
353         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), frame);
354
355         button = gtk_spin_button_new_with_range(1, 50000, 1);
356         gtk_container_add(GTK_CONTAINER(frame), button);
357
358         gtk_widget_show_all(dialog);
359         result = gtk_dialog_run(GTK_DIALOG(dialog));
360         if (result == GTK_RESPONSE_ACCEPT) {
361                 int nr = gtk_spin_button_get_value(GTK_SPIN_BUTTON(button));
362                 renumber_dives(nr);
363                 repaint_dive();
364         }
365         gtk_widget_destroy(dialog);
366 }
367
368 static GtkActionEntry menu_items[] = {
369         { "FileMenuAction", GTK_STOCK_FILE, "File", NULL, NULL, NULL},
370         { "LogMenuAction",  GTK_STOCK_FILE, "Log", NULL, NULL, NULL},
371         { "OpenFile",       GTK_STOCK_OPEN, NULL,   "<control>O", NULL, G_CALLBACK(file_open) },
372         { "SaveFile",       GTK_STOCK_SAVE, NULL,   "<control>S", NULL, G_CALLBACK(file_save) },
373         { "Print",          GTK_STOCK_PRINT, NULL,  "<control>P", NULL, G_CALLBACK(do_print) },
374         { "Import",         NULL, "Import", NULL, NULL, G_CALLBACK(import_dialog) },
375         { "Preferences",    NULL, "Preferences", NULL, NULL, G_CALLBACK(preferences_dialog) },
376         { "Renumber",       NULL, "Renumber", NULL, NULL, G_CALLBACK(renumber_dialog) },
377         { "Quit",           GTK_STOCK_QUIT, NULL,   "<control>Q", NULL, G_CALLBACK(quit) },
378 };
379 static gint nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);
380
381 static const gchar* ui_string = " \
382         <ui> \
383                 <menubar name=\"MainMenu\"> \
384                         <menu name=\"FileMenu\" action=\"FileMenuAction\"> \
385                                 <menuitem name=\"Open\" action=\"OpenFile\" /> \
386                                 <menuitem name=\"Save\" action=\"SaveFile\" /> \
387                                 <menuitem name=\"Print\" action=\"Print\" /> \
388                                 <separator name=\"Separator1\"/> \
389                                 <menuitem name=\"Import\" action=\"Import\" /> \
390                                 <separator name=\"Separator2\"/> \
391                                 <menuitem name=\"Preferences\" action=\"Preferences\" /> \
392                                 <separator name=\"Separator3\"/> \
393                                 <menuitem name=\"Quit\" action=\"Quit\" /> \
394                         </menu> \
395                         <menu name=\"LogMenu\" action=\"LogMenuAction\"> \
396                                 <menuitem name=\"Renumber\" action=\"Renumber\" /> \
397                         </menu> \
398                 </menubar> \
399         </ui> \
400 ";
401
402 static GtkWidget *get_menubar_menu(GtkWidget *window)
403 {
404         GtkActionGroup *action_group = gtk_action_group_new("Menu");
405         gtk_action_group_add_actions(action_group, menu_items, nmenu_items, 0);
406
407         GtkUIManager *ui_manager = gtk_ui_manager_new();
408         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
409         GError* error = 0;
410         gtk_ui_manager_add_ui_from_string(GTK_UI_MANAGER(ui_manager), ui_string, -1, &error);
411
412         gtk_window_add_accel_group(GTK_WINDOW(window), gtk_ui_manager_get_accel_group(ui_manager));
413         GtkWidget* menu = gtk_ui_manager_get_widget(ui_manager, "/MainMenu");
414
415         return menu;
416 }
417
418 static void switch_page(GtkNotebook *notebook, gint arg1, gpointer user_data)
419 {
420         repaint_dive();
421 }
422
423 void init_ui(int argc, char **argv)
424 {
425         GtkWidget *win;
426         GtkWidget *paned;
427         GtkWidget *info_box;
428         GtkWidget *notebook;
429         GtkWidget *dive_info;
430         GtkWidget *dive_list;
431         GtkWidget *equipment;
432         GtkWidget *menubar;
433         GtkWidget *vbox;
434
435         gtk_init(&argc, &argv);
436
437         g_type_init();
438         gconf = gconf_client_get_default();
439
440         if (gconf_client_get_bool(gconf, GCONF_NAME(feet), NULL))
441                 output_units.length = FEET;
442         if (gconf_client_get_bool(gconf, GCONF_NAME(psi), NULL))
443                 output_units.pressure = PSI;
444         if (gconf_client_get_bool(gconf, GCONF_NAME(cuft), NULL))
445                 output_units.volume = CUFT;
446         if (gconf_client_get_bool(gconf, GCONF_NAME(fahrenheit), NULL))
447                 output_units.temperature = FAHRENHEIT;
448
449         divelist_font = gconf_client_get_string(gconf, GCONF_NAME(divelist_font), NULL);
450         if (!divelist_font)
451                 divelist_font = DIVELIST_DEFAULT_FONT;
452
453         error_info_bar = NULL;
454         win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
455         gtk_window_set_icon_from_file(GTK_WINDOW(win), "icon.svg", NULL);
456         g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK (on_delete), NULL);
457         g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
458         main_window = win;
459
460         vbox = gtk_vbox_new(FALSE, 0);
461         gtk_container_add(GTK_CONTAINER(win), vbox);
462         main_vbox = vbox;
463
464         menubar = get_menubar_menu(win);
465         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
466
467         /* HPane for left the dive list, and right the dive info */
468         paned = gtk_vpaned_new();
469         gtk_box_pack_end(GTK_BOX(vbox), paned, TRUE, TRUE, 0);
470
471         /* Create the actual divelist */
472         dive_list = dive_list_create();
473         gtk_paned_add2(GTK_PANED(paned), dive_list);
474
475         /* VBox for dive info, and tabs */
476         info_box = gtk_vbox_new(FALSE, 6);
477         gtk_paned_add1(GTK_PANED(paned), info_box);
478
479         /* Notebook for dive info vs profile vs .. */
480         notebook = gtk_notebook_new();
481         g_signal_connect(notebook, "switch-page", G_CALLBACK(switch_page), NULL);
482         gtk_box_pack_start(GTK_BOX(info_box), notebook, TRUE, TRUE, 6);
483
484         /* Frame for dive profile */
485         dive_profile = dive_profile_widget();
486         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_profile, gtk_label_new("Dive Profile"));
487
488         /* Frame for extended dive info */
489         dive_info = extended_dive_info_widget();
490         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_info, gtk_label_new("Dive Notes"));
491
492         /* Frame for dive equipment */
493         equipment = equipment_widget();
494         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), equipment, gtk_label_new("Equipment"));
495
496         gtk_widget_set_app_paintable(win, TRUE);
497         gtk_widget_show_all(win);
498
499         return;
500 }
501
502 void run_ui(void)
503 {
504         gtk_main();
505 }
506
507 /* get the filenames the user selects and call the parsing function
508  * on them
509  * return 0 if the user cancelled the dialog
510  */
511 int open_import_file_dialog(char *filterpattern, char *filtertext, 
512                         void(* parse_function)(char *))
513 {
514         int ret=0;
515
516         GtkWidget *dialog;
517         GtkFileFilter *filter = gtk_file_filter_new ();
518         gtk_file_filter_add_pattern (filter, filterpattern);
519         gtk_file_filter_set_name(filter, filtertext);
520         dialog = gtk_file_chooser_dialog_new("Open File",
521                                         GTK_WINDOW(main_window),
522                                         GTK_FILE_CHOOSER_ACTION_OPEN,
523                                         GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
524                                         GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
525                                         NULL);
526         gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
527         gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog),filter);
528
529         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
530                 GSList *filenames;
531                 char *filename;
532                 filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
533                 while(filenames != NULL) {
534                         filename = (char *)filenames->data;
535                         parse_function(filename);
536                         g_free(filename);
537                         filenames = g_slist_next(filenames);
538                 }
539                 g_slist_free(filenames);
540                 ret = 1;
541         }
542         gtk_widget_destroy(dialog);
543
544         return ret;
545 }
546
547 static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
548 {
549         struct dive *dive = current_dive;
550         struct graphics_context gc = { .printer = 0 };
551         int w,h;
552
553         w = widget->allocation.width;
554         h = widget->allocation.height;
555
556         gc.cr = gdk_cairo_create(widget->window);
557         set_source_rgb(&gc, 0, 0, 0);
558         cairo_paint(gc.cr);
559
560         if (dive)
561                 plot(&gc, w, h, dive);
562
563         cairo_destroy(gc.cr);
564
565         return FALSE;
566 }
567
568 GtkWidget *dive_profile_widget(void)
569 {
570         GtkWidget *da;
571
572         da = gtk_drawing_area_new();
573         gtk_widget_set_size_request(da, 350, 250);
574         g_signal_connect(da, "expose_event", G_CALLBACK(expose_event), NULL);
575
576         return da;
577 }
578
579 int process_ui_events(void)
580 {
581         int ret=0;
582
583         while (gtk_events_pending()) {
584                 if (gtk_main_iteration_do(0)) {
585                         ret = 1;
586                         break;
587                 }
588         }
589         return(ret);
590 }
591
592
593 static void fill_computer_list(GtkListStore *store)
594 {
595         GtkTreeIter iter;
596         struct device_list *list = device_list;
597
598         for (list = device_list ; list->name ; list++) {
599                 gtk_list_store_append(store, &iter);
600                 gtk_list_store_set(store, &iter,
601                         0, list->name,
602                         1, list->type,
603                         -1);
604         }
605 }
606
607 static GtkComboBox *dive_computer_selector(GtkWidget *dialog)
608 {
609         GtkWidget *hbox, *combo_box;
610         GtkListStore *model;
611         GtkCellRenderer *renderer;
612
613         hbox = gtk_hbox_new(FALSE, 6);
614         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox, FALSE, FALSE, 3);
615
616         model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
617         fill_computer_list(model);
618
619         combo_box = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
620         gtk_box_pack_start(GTK_BOX(hbox), combo_box, FALSE, TRUE, 3);
621
622         renderer = gtk_cell_renderer_text_new();
623         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo_box), renderer, TRUE);
624         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo_box), renderer, "text", 0, NULL);
625
626         return GTK_COMBO_BOX(combo_box);
627 }
628
629 void import_dialog(GtkWidget *w, gpointer data)
630 {
631         int result;
632         GtkWidget *dialog, *hbox;
633         GtkComboBox *computer;
634         device_data_t devicedata = {
635                 .devname = "/dev/ttyUSB0",
636         };
637
638         dialog = gtk_dialog_new_with_buttons("Import from dive computer",
639                 GTK_WINDOW(main_window),
640                 GTK_DIALOG_DESTROY_WITH_PARENT,
641                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
642                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
643                 NULL);
644
645         computer = dive_computer_selector(dialog);
646
647         hbox = gtk_hbox_new(FALSE, 6);
648         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox, FALSE, TRUE, 3);
649         devicedata.progress->bar = gtk_progress_bar_new();
650         gtk_container_add(GTK_CONTAINER(hbox), devicedata.progress->bar);
651
652         gtk_widget_show_all(dialog);
653         result = gtk_dialog_run(GTK_DIALOG(dialog));
654         switch (result) {
655                 int type;
656                 GtkTreeIter iter;
657                 GtkTreeModel *model;
658                 const char *comp;
659         case GTK_RESPONSE_ACCEPT:
660                 if (!gtk_combo_box_get_active_iter(computer, &iter))
661                         break;
662                 model = gtk_combo_box_get_model(computer);
663                 gtk_tree_model_get(model, &iter,
664                         0, &comp,
665                         1, &type,
666                         -1);
667                 devicedata.type = type;
668                 devicedata.name = comp;
669                 do_import(&devicedata);
670                 break;
671         default:
672                 break;
673         }
674         gtk_widget_destroy(dialog);
675
676         report_dives();
677         dive_list_update_dives();
678 }
679
680 void update_progressbar(progressbar_t *progress, double value)
681 {
682         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress->bar), value);
683 }
684
685
686 void set_filename(const char *filename)
687 {
688         if (filename)
689                 existing_filename = strdup(filename);
690         return;
691 }