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         dialog = gtk_file_chooser_dialog_new("Open File",
  91                 GTK_WINDOW(main_window),
  92                 GTK_FILE_CHOOSER_ACTION_OPEN,
  93                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
  94                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
  95                 NULL);
  96         gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
  97
  98         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
  99                 GSList *filenames;
 100                 char *filename;
 101                 filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
 102
 103                 GError *error = NULL;
 104                 while(filenames != NULL) {
 105                         filename = (char *)filenames->data;
 106                         parse_xml_file(filename, &error);
 107                         if (error != NULL)
 108                         {
 109                                 report_error(error);
 110                                 g_error_free(error);
 111                                 error = NULL;
 112                         }
 113
 114                         g_free(filename);
 115                         filenames = g_slist_next(filenames);
 116                 }
 117                 g_slist_free(filenames);
 118                 report_dives();
 119                 dive_list_update_dives();
 120         }
 121         gtk_widget_destroy(dialog);
 122 }
 123
 124 static void file_save(GtkWidget *w, gpointer data)
 125 {
 126         GtkWidget *dialog;
 127         dialog = gtk_file_chooser_dialog_new("Save File",
 128                 GTK_WINDOW(main_window),
 129                 GTK_FILE_CHOOSER_ACTION_SAVE,
 130                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 131                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 132                 NULL);
 133         gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
 134         if (!existing_filename) {
 135                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "Untitled document");
 136         } else
 137                 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), existing_filename);
 138
 139         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 140                 char *filename;
 141                 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 142                 save_dives(filename);
 143                 g_free(filename);
 144                 mark_divelist_changed(FALSE);
 145         }
 146         gtk_widget_destroy(dialog);
 147 }
 148
 149 static void ask_save_changes()
 150 {
 151         GtkWidget *dialog, *label, *content;
 152         dialog = gtk_dialog_new_with_buttons("Save Changes?",
 153                 GTK_WINDOW(main_window), GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 154                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 155                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 156                 NULL);
 157         content = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
 158         label = gtk_label_new ("You have unsaved changes\nWould you like to save those before exiting the program?");
 159         gtk_container_add (GTK_CONTAINER (content), label);
 160         gtk_widget_show_all (dialog);
 161         gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
 162         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 163                 file_save(NULL,NULL);
 164         }
 165         gtk_widget_destroy(dialog);
 166 }
 167
 168 static gboolean on_delete(GtkWidget* w, gpointer data)
 169 {
 170         /* Make sure to flush any modified dive data */
 171         update_dive(NULL);
 172
 173         if (unsaved_changes())
 174                 ask_save_changes();
 175
 176         return FALSE; /* go ahead, kill the program, we're good now */
 177 }
 178
 179 static void on_destroy(GtkWidget* w, gpointer data)
 180 {
 181         gtk_main_quit();
 182 }
 183
 184 static void quit(GtkWidget *w, gpointer data)
 185 {
 186         /* Make sure to flush any modified dive data */
 187         update_dive(NULL);
 188
 189         if (unsaved_changes())
 190                 ask_save_changes();
 191         gtk_main_quit();
 192 }
 193
 194 static void create_radio(GtkWidget *vbox, const char *name, ...)
 195 {
 196         va_list args;
 197         GtkRadioButton *group = NULL;
 198         GtkWidget *box, *label;
 199
 200         box = gtk_hbox_new(TRUE, 10);
 201         gtk_box_pack_start(GTK_BOX(vbox), box, FALSE, FALSE, 0);
 202
 203         label = gtk_label_new(name);
 204         gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
 205
 206         va_start(args, name);
 207         for (;;) {
 208                 int enabled;
 209                 const char *name;
 210                 GtkWidget *button;
 211                 void *callback_fn;
 212
 213                 name = va_arg(args, char *);
 214                 if (!name)
 215                         break;
 216                 callback_fn = va_arg(args, void *);
 217                 enabled = va_arg(args, int);
 218
 219                 button = gtk_radio_button_new_with_label_from_widget(group, name);
 220                 group = GTK_RADIO_BUTTON(button);
 221                 gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
 222                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), enabled);
 223                 g_signal_connect(button, "toggled", G_CALLBACK(callback_fn), NULL);
 224         }
 225         va_end(args);
 226 }
 227
 228 #define UNITCALLBACK(name, type, value)                         \
 229 static void name(GtkWidget *w, gpointer data)                   \
 230 {                                                               \
 231         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w))) \
 232                 menu_units.type = value;                        \
 233 }
 234
 235 static struct units menu_units;
 236
 237 UNITCALLBACK(set_meter, length, METERS)
 238 UNITCALLBACK(set_feet, length, FEET)
 239 UNITCALLBACK(set_bar, pressure, BAR)
 240 UNITCALLBACK(set_psi, pressure, PSI)
 241 UNITCALLBACK(set_liter, volume, LITER)
 242 UNITCALLBACK(set_cuft, volume, CUFT)
 243 UNITCALLBACK(set_celsius, temperature, CELSIUS)
 244 UNITCALLBACK(set_fahrenheit, temperature, FAHRENHEIT)
 245
 246 static void preferences_dialog(GtkWidget *w, gpointer data)
 247 {
 248         int result;
 249         GtkWidget *dialog, *font, *frame, *box, *vbox;
 250
 251         menu_units = output_units;
 252
 253         dialog = gtk_dialog_new_with_buttons("Preferences",
 254                 GTK_WINDOW(main_window),
 255                 GTK_DIALOG_DESTROY_WITH_PARENT,
 256                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 257                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 258                 NULL);
 259
 260         frame = gtk_frame_new("Units");
 261         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 262         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 263
 264         box = gtk_vbox_new(FALSE, 6);
 265         gtk_container_add(GTK_CONTAINER(frame), box);
 266
 267         create_radio(box, "Depth:",
 268                 "Meter", set_meter, (output_units.length == METERS),
 269                 "Feet",  set_feet, (output_units.length == FEET),
 270                 NULL);
 271
 272         create_radio(box, "Pressure:",
 273                 "Bar", set_bar, (output_units.pressure == BAR),
 274                 "PSI",  set_psi, (output_units.pressure == PSI),
 275                 NULL);
 276
 277         create_radio(box, "Volume:",
 278                 "Liter",  set_liter, (output_units.volume == LITER),
 279                 "CuFt", set_cuft, (output_units.volume == CUFT),
 280                 NULL);
 281
 282         create_radio(box, "Temperature:",
 283                 "Celsius", set_celsius, (output_units.temperature == CELSIUS),
 284                 "Fahrenheit",  set_fahrenheit, (output_units.temperature == FAHRENHEIT),
 285                 NULL);
 286
 287         font = gtk_font_button_new_with_font(divelist_font);
 288         gtk_box_pack_start(GTK_BOX(vbox), font, FALSE, FALSE, 5);
 289
 290         gtk_widget_show_all(dialog);
 291         result = gtk_dialog_run(GTK_DIALOG(dialog));
 292         if (result == GTK_RESPONSE_ACCEPT) {
 293                 /* Make sure to flush any modified old dive data with old units */
 294                 update_dive(NULL);
 295
 296                 divelist_font = strdup(gtk_font_button_get_font_name(GTK_FONT_BUTTON(font)));
 297                 set_divelist_font(divelist_font);
 298
 299                 output_units = menu_units;
 300                 update_dive_list_units();
 301                 repaint_dive();
 302                 gconf_client_set_bool(gconf, GCONF_NAME(feet), output_units.length == FEET, NULL);
 303                 gconf_client_set_bool(gconf, GCONF_NAME(psi), output_units.pressure == PSI, NULL);
 304                 gconf_client_set_bool(gconf, GCONF_NAME(cuft), output_units.volume == CUFT, NULL);
 305                 gconf_client_set_bool(gconf, GCONF_NAME(fahrenheit), output_units.temperature == FAHRENHEIT, NULL);
 306                 gconf_client_set_string(gconf, GCONF_NAME(divelist_font), divelist_font, NULL);
 307         }
 308         gtk_widget_destroy(dialog);
 309 }
 310
 311 static void renumber_dialog(GtkWidget *w, gpointer data)
 312 {
 313         int result;
 314         GtkWidget *dialog, *frame, *button, *vbox;
 315
 316         dialog = gtk_dialog_new_with_buttons("Renumber",
 317                 GTK_WINDOW(main_window),
 318                 GTK_DIALOG_DESTROY_WITH_PARENT,
 319                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 320                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 321                 NULL);
 322
 323         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 324
 325         frame = gtk_frame_new("New starting number");
 326         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 327
 328         button = gtk_spin_button_new_with_range(1, 50000, 1);
 329         gtk_container_add(GTK_CONTAINER(frame), button);
 330
 331         gtk_widget_show_all(dialog);
 332         result = gtk_dialog_run(GTK_DIALOG(dialog));
 333         if (result == GTK_RESPONSE_ACCEPT) {
 334                 int nr = gtk_spin_button_get_value(GTK_SPIN_BUTTON(button));
 335                 renumber_dives(nr);
 336                 repaint_dive();
 337         }
 338         gtk_widget_destroy(dialog);
 339 }
 340
 341 static void about_dialog(GtkWidget *w, gpointer data)
 342 {
 343         const char *logo_property = NULL;
 344         GdkPixbuf *logo = NULL;
 345         GtkWidget *image = gtk_image_new_from_file("icon.svg");
 346
 347         if (image) {
 348                 logo = gtk_image_get_pixbuf(GTK_IMAGE(image));
 349                 logo_property = "logo";
 350         }
 351
 352         gtk_show_about_dialog(NULL,
 353                 "program-name", "SubSurface",
 354                 "comments", "Half-arsed divelog software in C",
 355                 "license", "GPLv2",
 356                 "version", "1.0",
 357                 "copyright", "Linus Torvalds 2011",
 358                 /* Must be last: */
 359                 logo_property, logo,
 360                 NULL);
 361 }
 362
 363 static GtkActionEntry menu_items[] = {
 364         { "FileMenuAction", GTK_STOCK_FILE, "File", NULL, NULL, NULL},
 365         { "LogMenuAction",  GTK_STOCK_FILE, "Log", NULL, NULL, NULL},
 366         { "HelpMenuAction", GTK_STOCK_HELP, "Help", NULL, NULL, NULL},
 367         { "OpenFile",       GTK_STOCK_OPEN, NULL,   "<control>O", NULL, G_CALLBACK(file_open) },
 368         { "SaveFile",       GTK_STOCK_SAVE, NULL,   "<control>S", NULL, G_CALLBACK(file_save) },
 369         { "Print",          GTK_STOCK_PRINT, NULL,  "<control>P", NULL, G_CALLBACK(do_print) },
 370         { "Import",         NULL, "Import", NULL, NULL, G_CALLBACK(import_dialog) },
 371         { "Preferences",    NULL, "Preferences", NULL, NULL, G_CALLBACK(preferences_dialog) },
 372         { "Renumber",       NULL, "Renumber", NULL, NULL, G_CALLBACK(renumber_dialog) },
 373         { "Quit",           GTK_STOCK_QUIT, NULL,   "<control>Q", NULL, G_CALLBACK(quit) },
 374         { "About",           GTK_STOCK_ABOUT, NULL,  NULL, NULL, G_CALLBACK(about_dialog) },
 375 };
 376 static gint nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);
 377
 378 static const gchar* ui_string = " \
 379         <ui> \
 380                 <menubar name=\"MainMenu\"> \
 381                         <menu name=\"FileMenu\" action=\"FileMenuAction\"> \
 382                                 <menuitem name=\"Open\" action=\"OpenFile\" /> \
 383                                 <menuitem name=\"Save\" action=\"SaveFile\" /> \
 384                                 <menuitem name=\"Print\" action=\"Print\" /> \
 385                                 <separator name=\"Separator1\"/> \
 386                                 <menuitem name=\"Import\" action=\"Import\" /> \
 387                                 <separator name=\"Separator2\"/> \
 388                                 <menuitem name=\"Preferences\" action=\"Preferences\" /> \
 389                                 <separator name=\"Separator3\"/> \
 390                                 <menuitem name=\"Quit\" action=\"Quit\" /> \
 391                         </menu> \
 392                         <menu name=\"LogMenu\" action=\"LogMenuAction\"> \
 393                                 <menuitem name=\"Renumber\" action=\"Renumber\" /> \
 394                         </menu> \
 395                         <menu name=\"Help\" action=\"HelpMenuAction\"> \
 396                                 <menuitem name=\"About\" action=\"About\" /> \
 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, *vbox;
 610         GtkListStore *model;
 611         GtkCellRenderer *renderer;
 612
 613         hbox = gtk_hbox_new(FALSE, 6);
 614         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 615         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 616
 617         model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 618         fill_computer_list(model);
 619
 620         combo_box = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
 621         gtk_box_pack_start(GTK_BOX(hbox), combo_box, FALSE, TRUE, 3);
 622
 623         renderer = gtk_cell_renderer_text_new();
 624         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo_box), renderer, TRUE);
 625         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo_box), renderer, "text", 0, NULL);
 626
 627         return GTK_COMBO_BOX(combo_box);
 628 }
 629
 630 void import_dialog(GtkWidget *w, gpointer data)
 631 {
 632         int result;
 633         GtkWidget *dialog, *hbox, *vbox;
 634         GtkComboBox *computer;
 635         device_data_t devicedata = {
 636                 .devname = "/dev/ttyUSB0",
 637         };
 638
 639         dialog = gtk_dialog_new_with_buttons("Import from dive computer",
 640                 GTK_WINDOW(main_window),
 641                 GTK_DIALOG_DESTROY_WITH_PARENT,
 642                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 643                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 644                 NULL);
 645
 646         computer = dive_computer_selector(dialog);
 647
 648         hbox = gtk_hbox_new(FALSE, 6);
 649         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 650         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 3);
 651         devicedata.progress.bar = gtk_progress_bar_new();
 652         gtk_container_add(GTK_CONTAINER(hbox), devicedata.progress.bar);
 653
 654         gtk_widget_show_all(dialog);
 655         result = gtk_dialog_run(GTK_DIALOG(dialog));
 656         switch (result) {
 657                 int type;
 658                 GtkTreeIter iter;
 659                 GtkTreeModel *model;
 660                 const char *comp;
 661         case GTK_RESPONSE_ACCEPT:
 662                 if (!gtk_combo_box_get_active_iter(computer, &iter))
 663                         break;
 664                 model = gtk_combo_box_get_model(computer);
 665                 gtk_tree_model_get(model, &iter,
 666                         0, &comp,
 667                         1, &type,
 668                         -1);
 669                 devicedata.type = type;
 670                 devicedata.name = comp;
 671                 do_import(&devicedata);
 672                 break;
 673         default:
 674                 break;
 675         }
 676         gtk_widget_destroy(dialog);
 677
 678         report_dives();
 679         dive_list_update_dives();
 680 }
 681
 682 void update_progressbar(progressbar_t *progress, double value)
 683 {
 684         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress->bar), value);
 685 }
 686
 687
 688 void set_filename(const char *filename)
 689 {
 690         if (filename)
 691                 existing_filename = strdup(filename);
 692         return;
 693 }