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 void repaint_dive(void)
  37 {
  38         update_dive(current_dive);
  39         gtk_widget_queue_draw(dive_profile);
  40 }
  41
  42 static char *existing_filename;
  43
  44 static void on_info_bar_response(GtkWidget *widget, gint response,
  45                                  gpointer data)
  46 {
  47         if (response == GTK_RESPONSE_OK)
  48         {
  49                 gtk_widget_destroy(widget);
  50                 error_info_bar = NULL;
  51         }
  52 }
  53
  54 void report_error(GError* error)
  55 {
  56         if (error == NULL)
  57         {
  58                 return;
  59         }
  60
  61         if (error_info_bar == NULL)
  62         {
  63                 error_count = 1;
  64                 error_info_bar = gtk_info_bar_new_with_buttons(GTK_STOCK_OK,
  65                                                                GTK_RESPONSE_OK,
  66                                                                NULL);
  67                 g_signal_connect(error_info_bar, "response", G_CALLBACK(on_info_bar_response), NULL);
  68                 gtk_info_bar_set_message_type(GTK_INFO_BAR(error_info_bar),
  69                                               GTK_MESSAGE_ERROR);
  70
  71                 error_label = gtk_label_new(error->message);
  72                 GtkWidget *container = gtk_info_bar_get_content_area(GTK_INFO_BAR(error_info_bar));
  73                 gtk_container_add(GTK_CONTAINER(container), error_label);
  74
  75                 gtk_box_pack_start(GTK_BOX(main_vbox), error_info_bar, FALSE, FALSE, 0);
  76                 gtk_widget_show_all(main_vbox);
  77         }
  78         else
  79         {
  80                 error_count++;
  81                 char buffer[256];
  82                 snprintf(buffer, sizeof(buffer), "Failed to open %i files.", error_count);
  83                 gtk_label_set(GTK_LABEL(error_label), buffer);
  84         }
  85 }
  86
  87 static void file_open(GtkWidget *w, gpointer data)
  88 {
  89         GtkWidget *dialog;
  90         GtkFileFilter *filter;
  91
  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         filter = gtk_file_filter_new();
 101         gtk_file_filter_add_pattern(filter, "*.xml");
 102         gtk_file_filter_add_pattern(filter, "*.XML");
 103         gtk_file_filter_add_mime_type(filter, "text/xml");
 104         gtk_file_filter_set_name(filter, "XML file");
 105         gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
 106
 107         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 108                 GSList *filenames;
 109                 char *filename;
 110                 filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
 111
 112                 GError *error = NULL;
 113                 while(filenames != NULL) {
 114                         filename = (char *)filenames->data;
 115                         parse_xml_file(filename, &error);
 116                         if (error != NULL)
 117                         {
 118                                 report_error(error);
 119                                 g_error_free(error);
 120                                 error = NULL;
 121                         }
 122
 123                         g_free(filename);
 124                         filenames = g_slist_next(filenames);
 125                 }
 126                 g_slist_free(filenames);
 127                 report_dives();
 128                 dive_list_update_dives();
 129         }
 130         gtk_widget_destroy(dialog);
 131 }
 132
 133 static void file_save(GtkWidget *w, gpointer data)
 134 {
 135         GtkWidget *dialog;
 136         dialog = gtk_file_chooser_dialog_new("Save File",
 137                 GTK_WINDOW(main_window),
 138                 GTK_FILE_CHOOSER_ACTION_SAVE,
 139                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 140                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 141                 NULL);
 142         gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
 143         if (!existing_filename) {
 144                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "Untitled document");
 145         } else
 146                 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), existing_filename);
 147
 148         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 149                 char *filename;
 150                 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 151                 save_dives(filename);
 152                 g_free(filename);
 153                 mark_divelist_changed(FALSE);
 154         }
 155         gtk_widget_destroy(dialog);
 156 }
 157
 158 static void ask_save_changes()
 159 {
 160         GtkWidget *dialog, *label, *content;
 161         dialog = gtk_dialog_new_with_buttons("Save Changes?",
 162                 GTK_WINDOW(main_window), GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 163                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 164                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 165                 NULL);
 166         content = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
 167         label = gtk_label_new ("You have unsaved changes\nWould you like to save those before exiting the program?");
 168         gtk_container_add (GTK_CONTAINER (content), label);
 169         gtk_widget_show_all (dialog);
 170         gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
 171         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 172                 file_save(NULL,NULL);
 173         }
 174         gtk_widget_destroy(dialog);
 175 }
 176
 177 static gboolean on_delete(GtkWidget* w, gpointer data)
 178 {
 179         /* Make sure to flush any modified dive data */
 180         update_dive(NULL);
 181
 182         if (unsaved_changes())
 183                 ask_save_changes();
 184
 185         return FALSE; /* go ahead, kill the program, we're good now */
 186 }
 187
 188 static void on_destroy(GtkWidget* w, gpointer data)
 189 {
 190         gtk_main_quit();
 191 }
 192
 193 static void quit(GtkWidget *w, gpointer data)
 194 {
 195         /* Make sure to flush any modified dive data */
 196         update_dive(NULL);
 197
 198         if (unsaved_changes())
 199                 ask_save_changes();
 200         gtk_main_quit();
 201 }
 202
 203 static void create_radio(GtkWidget *vbox, const char *name, ...)
 204 {
 205         va_list args;
 206         GtkRadioButton *group = NULL;
 207         GtkWidget *box, *label;
 208
 209         box = gtk_hbox_new(TRUE, 10);
 210         gtk_box_pack_start(GTK_BOX(vbox), box, FALSE, FALSE, 0);
 211
 212         label = gtk_label_new(name);
 213         gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
 214
 215         va_start(args, name);
 216         for (;;) {
 217                 int enabled;
 218                 const char *name;
 219                 GtkWidget *button;
 220                 void *callback_fn;
 221
 222                 name = va_arg(args, char *);
 223                 if (!name)
 224                         break;
 225                 callback_fn = va_arg(args, void *);
 226                 enabled = va_arg(args, int);
 227
 228                 button = gtk_radio_button_new_with_label_from_widget(group, name);
 229                 group = GTK_RADIO_BUTTON(button);
 230                 gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
 231                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), enabled);
 232                 g_signal_connect(button, "toggled", G_CALLBACK(callback_fn), NULL);
 233         }
 234         va_end(args);
 235 }
 236
 237 #define UNITCALLBACK(name, type, value)                         \
 238 static void name(GtkWidget *w, gpointer data)                   \
 239 {                                                               \
 240         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w))) \
 241                 menu_units.type = value;                        \
 242 }
 243
 244 static struct units menu_units;
 245
 246 UNITCALLBACK(set_meter, length, METERS)
 247 UNITCALLBACK(set_feet, length, FEET)
 248 UNITCALLBACK(set_bar, pressure, BAR)
 249 UNITCALLBACK(set_psi, pressure, PSI)
 250 UNITCALLBACK(set_liter, volume, LITER)
 251 UNITCALLBACK(set_cuft, volume, CUFT)
 252 UNITCALLBACK(set_celsius, temperature, CELSIUS)
 253 UNITCALLBACK(set_fahrenheit, temperature, FAHRENHEIT)
 254
 255 static void preferences_dialog(GtkWidget *w, gpointer data)
 256 {
 257         int result;
 258         GtkWidget *dialog, *font, *frame, *box, *vbox;
 259
 260         menu_units = output_units;
 261
 262         dialog = gtk_dialog_new_with_buttons("Preferences",
 263                 GTK_WINDOW(main_window),
 264                 GTK_DIALOG_DESTROY_WITH_PARENT,
 265                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 266                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 267                 NULL);
 268
 269         frame = gtk_frame_new("Units");
 270         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 271         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 272
 273         box = gtk_vbox_new(FALSE, 6);
 274         gtk_container_add(GTK_CONTAINER(frame), box);
 275
 276         create_radio(box, "Depth:",
 277                 "Meter", set_meter, (output_units.length == METERS),
 278                 "Feet",  set_feet, (output_units.length == FEET),
 279                 NULL);
 280
 281         create_radio(box, "Pressure:",
 282                 "Bar", set_bar, (output_units.pressure == BAR),
 283                 "PSI",  set_psi, (output_units.pressure == PSI),
 284                 NULL);
 285
 286         create_radio(box, "Volume:",
 287                 "Liter",  set_liter, (output_units.volume == LITER),
 288                 "CuFt", set_cuft, (output_units.volume == CUFT),
 289                 NULL);
 290
 291         create_radio(box, "Temperature:",
 292                 "Celsius", set_celsius, (output_units.temperature == CELSIUS),
 293                 "Fahrenheit",  set_fahrenheit, (output_units.temperature == FAHRENHEIT),
 294                 NULL);
 295
 296         font = gtk_font_button_new_with_font(divelist_font);
 297         gtk_box_pack_start(GTK_BOX(vbox), font, FALSE, FALSE, 5);
 298
 299         gtk_widget_show_all(dialog);
 300         result = gtk_dialog_run(GTK_DIALOG(dialog));
 301         if (result == GTK_RESPONSE_ACCEPT) {
 302                 /* Make sure to flush any modified old dive data with old units */
 303                 update_dive(NULL);
 304
 305                 divelist_font = strdup(gtk_font_button_get_font_name(GTK_FONT_BUTTON(font)));
 306                 set_divelist_font(divelist_font);
 307
 308                 output_units = menu_units;
 309                 update_dive_list_units();
 310                 repaint_dive();
 311                 gconf_client_set_bool(gconf, GCONF_NAME(feet), output_units.length == FEET, NULL);
 312                 gconf_client_set_bool(gconf, GCONF_NAME(psi), output_units.pressure == PSI, NULL);
 313                 gconf_client_set_bool(gconf, GCONF_NAME(cuft), output_units.volume == CUFT, NULL);
 314                 gconf_client_set_bool(gconf, GCONF_NAME(fahrenheit), output_units.temperature == FAHRENHEIT, NULL);
 315                 gconf_client_set_string(gconf, GCONF_NAME(divelist_font), divelist_font, NULL);
 316         }
 317         gtk_widget_destroy(dialog);
 318 }
 319
 320 static void renumber_dialog(GtkWidget *w, gpointer data)
 321 {
 322         int result;
 323         GtkWidget *dialog, *frame, *button, *vbox;
 324
 325         dialog = gtk_dialog_new_with_buttons("Renumber",
 326                 GTK_WINDOW(main_window),
 327                 GTK_DIALOG_DESTROY_WITH_PARENT,
 328                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 329                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 330                 NULL);
 331
 332         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 333
 334         frame = gtk_frame_new("New starting number");
 335         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 336
 337         button = gtk_spin_button_new_with_range(1, 50000, 1);
 338         gtk_container_add(GTK_CONTAINER(frame), button);
 339
 340         gtk_widget_show_all(dialog);
 341         result = gtk_dialog_run(GTK_DIALOG(dialog));
 342         if (result == GTK_RESPONSE_ACCEPT) {
 343                 int nr = gtk_spin_button_get_value(GTK_SPIN_BUTTON(button));
 344                 renumber_dives(nr);
 345                 repaint_dive();
 346         }
 347         gtk_widget_destroy(dialog);
 348 }
 349
 350 static void about_dialog(GtkWidget *w, gpointer data)
 351 {
 352         const char *logo_property = NULL;
 353         GdkPixbuf *logo = NULL;
 354         GtkWidget *image = gtk_image_new_from_file("icon.svg");
 355
 356         if (image) {
 357                 logo = gtk_image_get_pixbuf(GTK_IMAGE(image));
 358                 logo_property = "logo";
 359         }
 360
 361         gtk_show_about_dialog(NULL,
 362                 "program-name", "SubSurface",
 363                 "comments", "Half-arsed divelog software in C",
 364                 "license", "GPLv2",
 365                 "version", VERSION_STRING,
 366                 "copyright", "Linus Torvalds 2011",
 367                 /* Must be last: */
 368                 logo_property, logo,
 369                 NULL);
 370 }
 371
 372 static GtkActionEntry menu_items[] = {
 373         { "FileMenuAction", GTK_STOCK_FILE, "File", NULL, NULL, NULL},
 374         { "LogMenuAction",  GTK_STOCK_FILE, "Log", NULL, NULL, NULL},
 375         { "HelpMenuAction", GTK_STOCK_HELP, "Help", NULL, NULL, NULL},
 376         { "OpenFile",       GTK_STOCK_OPEN, NULL,   "<control>O", NULL, G_CALLBACK(file_open) },
 377         { "SaveFile",       GTK_STOCK_SAVE, NULL,   "<control>S", NULL, G_CALLBACK(file_save) },
 378         { "Print",          GTK_STOCK_PRINT, NULL,  "<control>P", NULL, G_CALLBACK(do_print) },
 379         { "Import",         NULL, "Import", NULL, NULL, G_CALLBACK(import_dialog) },
 380         { "Preferences",    NULL, "Preferences", NULL, NULL, G_CALLBACK(preferences_dialog) },
 381         { "Renumber",       NULL, "Renumber", NULL, NULL, G_CALLBACK(renumber_dialog) },
 382         { "Quit",           GTK_STOCK_QUIT, NULL,   "<control>Q", NULL, G_CALLBACK(quit) },
 383         { "About",           GTK_STOCK_ABOUT, NULL,  NULL, NULL, G_CALLBACK(about_dialog) },
 384 };
 385 static gint nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);
 386
 387 static const gchar* ui_string = " \
 388         <ui> \
 389                 <menubar name=\"MainMenu\"> \
 390                         <menu name=\"FileMenu\" action=\"FileMenuAction\"> \
 391                                 <menuitem name=\"Open\" action=\"OpenFile\" /> \
 392                                 <menuitem name=\"Save\" action=\"SaveFile\" /> \
 393                                 <menuitem name=\"Print\" action=\"Print\" /> \
 394                                 <separator name=\"Separator1\"/> \
 395                                 <menuitem name=\"Import\" action=\"Import\" /> \
 396                                 <separator name=\"Separator2\"/> \
 397                                 <menuitem name=\"Preferences\" action=\"Preferences\" /> \
 398                                 <separator name=\"Separator3\"/> \
 399                                 <menuitem name=\"Quit\" action=\"Quit\" /> \
 400                         </menu> \
 401                         <menu name=\"LogMenu\" action=\"LogMenuAction\"> \
 402                                 <menuitem name=\"Renumber\" action=\"Renumber\" /> \
 403                         </menu> \
 404                         <menu name=\"Help\" action=\"HelpMenuAction\"> \
 405                                 <menuitem name=\"About\" action=\"About\" /> \
 406                         </menu> \
 407                 </menubar> \
 408         </ui> \
 409 ";
 410
 411 static GtkWidget *get_menubar_menu(GtkWidget *window)
 412 {
 413         GtkActionGroup *action_group = gtk_action_group_new("Menu");
 414         gtk_action_group_add_actions(action_group, menu_items, nmenu_items, 0);
 415
 416         GtkUIManager *ui_manager = gtk_ui_manager_new();
 417         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
 418         GError* error = 0;
 419         gtk_ui_manager_add_ui_from_string(GTK_UI_MANAGER(ui_manager), ui_string, -1, &error);
 420
 421         gtk_window_add_accel_group(GTK_WINDOW(window), gtk_ui_manager_get_accel_group(ui_manager));
 422         GtkWidget* menu = gtk_ui_manager_get_widget(ui_manager, "/MainMenu");
 423
 424         return menu;
 425 }
 426
 427 static void switch_page(GtkNotebook *notebook, gint arg1, gpointer user_data)
 428 {
 429         repaint_dive();
 430 }
 431
 432 void init_ui(int argc, char **argv)
 433 {
 434         GtkWidget *win;
 435         GtkWidget *paned;
 436         GtkWidget *info_box;
 437         GtkWidget *notebook;
 438         GtkWidget *dive_info;
 439         GtkWidget *dive_list;
 440         GtkWidget *equipment;
 441         GtkWidget *menubar;
 442         GtkWidget *vbox;
 443
 444         gtk_init(&argc, &argv);
 445
 446         g_type_init();
 447         gconf = gconf_client_get_default();
 448
 449         if (gconf_client_get_bool(gconf, GCONF_NAME(feet), NULL))
 450                 output_units.length = FEET;
 451         if (gconf_client_get_bool(gconf, GCONF_NAME(psi), NULL))
 452                 output_units.pressure = PSI;
 453         if (gconf_client_get_bool(gconf, GCONF_NAME(cuft), NULL))
 454                 output_units.volume = CUFT;
 455         if (gconf_client_get_bool(gconf, GCONF_NAME(fahrenheit), NULL))
 456                 output_units.temperature = FAHRENHEIT;
 457
 458         divelist_font = gconf_client_get_string(gconf, GCONF_NAME(divelist_font), NULL);
 459         if (!divelist_font)
 460                 divelist_font = DIVELIST_DEFAULT_FONT;
 461
 462         error_info_bar = NULL;
 463         win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 464         gtk_window_set_icon_from_file(GTK_WINDOW(win), "icon.svg", NULL);
 465         g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK (on_delete), NULL);
 466         g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 467         main_window = win;
 468
 469         vbox = gtk_vbox_new(FALSE, 0);
 470         gtk_container_add(GTK_CONTAINER(win), vbox);
 471         main_vbox = vbox;
 472
 473         menubar = get_menubar_menu(win);
 474         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
 475
 476         /* HPane for left the dive list, and right the dive info */
 477         paned = gtk_vpaned_new();
 478         gtk_box_pack_end(GTK_BOX(vbox), paned, TRUE, TRUE, 0);
 479
 480         /* Create the actual divelist */
 481         dive_list = dive_list_create();
 482         gtk_paned_add2(GTK_PANED(paned), dive_list);
 483
 484         /* VBox for dive info, and tabs */
 485         info_box = gtk_vbox_new(FALSE, 6);
 486         gtk_paned_add1(GTK_PANED(paned), info_box);
 487
 488         /* Notebook for dive info vs profile vs .. */
 489         notebook = gtk_notebook_new();
 490         g_signal_connect(notebook, "switch-page", G_CALLBACK(switch_page), NULL);
 491         gtk_box_pack_start(GTK_BOX(info_box), notebook, TRUE, TRUE, 6);
 492
 493         /* Frame for dive profile */
 494         dive_profile = dive_profile_widget();
 495         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_profile, gtk_label_new("Dive Profile"));
 496
 497         /* Frame for extended dive info */
 498         dive_info = extended_dive_info_widget();
 499         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_info, gtk_label_new("Dive Notes"));
 500
 501         /* Frame for dive equipment */
 502         equipment = equipment_widget();
 503         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), equipment, gtk_label_new("Equipment"));
 504
 505         gtk_widget_set_app_paintable(win, TRUE);
 506         gtk_widget_show_all(win);
 507
 508         return;
 509 }
 510
 511 void run_ui(void)
 512 {
 513         gtk_main();
 514 }
 515
 516 /* get the filenames the user selects and call the parsing function
 517  * on them
 518  * return 0 if the user cancelled the dialog
 519  */
 520 int open_import_file_dialog(char *filterpattern, char *filtertext,
 521                         void(* parse_function)(char *))
 522 {
 523         int ret=0;
 524
 525         GtkWidget *dialog;
 526         GtkFileFilter *filter = gtk_file_filter_new ();
 527         gtk_file_filter_add_pattern (filter, filterpattern);
 528         gtk_file_filter_set_name(filter, filtertext);
 529         dialog = gtk_file_chooser_dialog_new("Open File",
 530                                         GTK_WINDOW(main_window),
 531                                         GTK_FILE_CHOOSER_ACTION_OPEN,
 532                                         GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 533                                         GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 534                                         NULL);
 535         gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
 536         gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog),filter);
 537
 538         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 539                 GSList *filenames;
 540                 char *filename;
 541                 filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
 542                 while(filenames != NULL) {
 543                         filename = (char *)filenames->data;
 544                         parse_function(filename);
 545                         g_free(filename);
 546                         filenames = g_slist_next(filenames);
 547                 }
 548                 g_slist_free(filenames);
 549                 ret = 1;
 550         }
 551         gtk_widget_destroy(dialog);
 552
 553         return ret;
 554 }
 555
 556 static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 557 {
 558         struct dive *dive = current_dive;
 559         struct graphics_context gc = { .printer = 0 };
 560         int w,h;
 561
 562         w = widget->allocation.width;
 563         h = widget->allocation.height;
 564
 565         gc.cr = gdk_cairo_create(widget->window);
 566         set_source_rgb(&gc, 0, 0, 0);
 567         cairo_paint(gc.cr);
 568
 569         if (dive)
 570                 plot(&gc, w, h, dive);
 571
 572         cairo_destroy(gc.cr);
 573
 574         return FALSE;
 575 }
 576
 577 GtkWidget *dive_profile_widget(void)
 578 {
 579         GtkWidget *da;
 580
 581         da = gtk_drawing_area_new();
 582         gtk_widget_set_size_request(da, 350, 250);
 583         g_signal_connect(da, "expose_event", G_CALLBACK(expose_event), NULL);
 584
 585         return da;
 586 }
 587
 588 int process_ui_events(void)
 589 {
 590         int ret=0;
 591
 592         while (gtk_events_pending()) {
 593                 if (gtk_main_iteration_do(0)) {
 594                         ret = 1;
 595                         break;
 596                 }
 597         }
 598         return(ret);
 599 }
 600
 601
 602 static void fill_computer_list(GtkListStore *store)
 603 {
 604         GtkTreeIter iter;
 605         struct device_list *list = device_list;
 606
 607         for (list = device_list ; list->name ; list++) {
 608                 gtk_list_store_append(store, &iter);
 609                 gtk_list_store_set(store, &iter,
 610                         0, list->name,
 611                         1, list->type,
 612                         -1);
 613         }
 614 }
 615
 616 static GtkComboBox *dive_computer_selector(GtkWidget *vbox)
 617 {
 618         GtkWidget *hbox, *combo_box, *frame;
 619         GtkListStore *model;
 620         GtkCellRenderer *renderer;
 621
 622         hbox = gtk_hbox_new(FALSE, 6);
 623         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 624
 625         model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 626         fill_computer_list(model);
 627
 628         frame = gtk_frame_new("Dive computer");
 629         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 630
 631         combo_box = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
 632         gtk_container_add(GTK_CONTAINER(frame), combo_box);
 633
 634         renderer = gtk_cell_renderer_text_new();
 635         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo_box), renderer, TRUE);
 636         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo_box), renderer, "text", 0, NULL);
 637
 638         return GTK_COMBO_BOX(combo_box);
 639 }
 640
 641 static GtkEntry *dive_computer_device(GtkWidget *vbox)
 642 {
 643         GtkWidget *hbox, *entry, *frame;
 644
 645         hbox = gtk_hbox_new(FALSE, 6);
 646         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 647
 648         frame = gtk_frame_new("Device name");
 649         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 650
 651         entry = gtk_entry_new();
 652         gtk_container_add(GTK_CONTAINER(frame), entry);
 653         gtk_entry_set_text(GTK_ENTRY(entry), "/dev/ttyUSB0");
 654
 655         return GTK_ENTRY(entry);
 656 }
 657
 658 void import_dialog(GtkWidget *w, gpointer data)
 659 {
 660         int result;
 661         GtkWidget *dialog, *hbox, *vbox;
 662         GtkComboBox *computer;
 663         GtkEntry *device;
 664         device_data_t devicedata = {
 665                 .devname = NULL,
 666         };
 667
 668         dialog = gtk_dialog_new_with_buttons("Import from dive computer",
 669                 GTK_WINDOW(main_window),
 670                 GTK_DIALOG_DESTROY_WITH_PARENT,
 671                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 672                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 673                 NULL);
 674
 675         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 676
 677         computer = dive_computer_selector(vbox);
 678         device = dive_computer_device(vbox);
 679
 680         hbox = gtk_hbox_new(FALSE, 6);
 681         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 3);
 682         devicedata.progress.bar = gtk_progress_bar_new();
 683         gtk_container_add(GTK_CONTAINER(hbox), devicedata.progress.bar);
 684
 685         gtk_widget_show_all(dialog);
 686         result = gtk_dialog_run(GTK_DIALOG(dialog));
 687         switch (result) {
 688                 int type;
 689                 GtkTreeIter iter;
 690                 GtkTreeModel *model;
 691                 const char *comp;
 692         case GTK_RESPONSE_ACCEPT:
 693                 if (!gtk_combo_box_get_active_iter(computer, &iter))
 694                         break;
 695                 model = gtk_combo_box_get_model(computer);
 696                 gtk_tree_model_get(model, &iter,
 697                         0, &comp,
 698                         1, &type,
 699                         -1);
 700                 devicedata.type = type;
 701                 devicedata.name = comp;
 702                 devicedata.devname = gtk_entry_get_text(device);
 703                 do_import(&devicedata);
 704                 break;
 705         default:
 706                 break;
 707         }
 708         gtk_widget_destroy(dialog);
 709
 710         report_dives();
 711         dive_list_update_dives();
 712 }
 713
 714 void update_progressbar(progressbar_t *progress, double value)
 715 {
 716         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress->bar), value);
 717 }
 718
 719
 720 void set_filename(const char *filename)
 721 {
 722         if (filename)
 723                 existing_filename = strdup(filename);
 724         return;
 725 }