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         if (dive_profile)
  42                 gtk_widget_queue_draw(dive_profile);
  43 }
  44
  45 static char *existing_filename;
  46
  47 static void on_info_bar_response(GtkWidget *widget, gint response,
  48                                  gpointer data)
  49 {
  50         if (response == GTK_RESPONSE_OK)
  51         {
  52                 gtk_widget_destroy(widget);
  53                 error_info_bar = NULL;
  54         }
  55 }
  56
  57 void report_error(GError* error)
  58 {
  59         if (error == NULL)
  60         {
  61                 return;
  62         }
  63
  64         if (error_info_bar == NULL)
  65         {
  66                 error_count = 1;
  67                 error_info_bar = gtk_info_bar_new_with_buttons(GTK_STOCK_OK,
  68                                                                GTK_RESPONSE_OK,
  69                                                                NULL);
  70                 g_signal_connect(error_info_bar, "response", G_CALLBACK(on_info_bar_response), NULL);
  71                 gtk_info_bar_set_message_type(GTK_INFO_BAR(error_info_bar),
  72                                               GTK_MESSAGE_ERROR);
  73
  74                 error_label = gtk_label_new(error->message);
  75                 GtkWidget *container = gtk_info_bar_get_content_area(GTK_INFO_BAR(error_info_bar));
  76                 gtk_container_add(GTK_CONTAINER(container), error_label);
  77
  78                 gtk_box_pack_start(GTK_BOX(main_vbox), error_info_bar, FALSE, FALSE, 0);
  79                 gtk_widget_show_all(main_vbox);
  80         }
  81         else
  82         {
  83                 error_count++;
  84                 char buffer[256];
  85                 snprintf(buffer, sizeof(buffer), "Failed to open %i files.", error_count);
  86                 gtk_label_set(GTK_LABEL(error_label), buffer);
  87         }
  88 }
  89
  90 static void file_open(GtkWidget *w, gpointer data)
  91 {
  92         GtkWidget *dialog;
  93         GtkFileFilter *filter;
  94
  95         dialog = gtk_file_chooser_dialog_new("Open File",
  96                 GTK_WINDOW(main_window),
  97                 GTK_FILE_CHOOSER_ACTION_OPEN,
  98                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
  99                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 100                 NULL);
 101         gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
 102
 103         filter = gtk_file_filter_new();
 104         gtk_file_filter_add_pattern(filter, "*.xml");
 105         gtk_file_filter_add_pattern(filter, "*.XML");
 106         gtk_file_filter_add_pattern(filter, "*.sda");
 107         gtk_file_filter_add_pattern(filter, "*.SDA");
 108         gtk_file_filter_add_mime_type(filter, "text/xml");
 109         gtk_file_filter_set_name(filter, "XML file");
 110         gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
 111
 112         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 113                 GSList *filenames;
 114                 char *filename;
 115                 filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
 116
 117                 GError *error = NULL;
 118                 while(filenames != NULL) {
 119                         filename = (char *)filenames->data;
 120                         parse_xml_file(filename, &error);
 121                         if (error != NULL)
 122                         {
 123                                 report_error(error);
 124                                 g_error_free(error);
 125                                 error = NULL;
 126                         }
 127
 128                         g_free(filename);
 129                         filenames = g_slist_next(filenames);
 130                 }
 131                 g_slist_free(filenames);
 132                 report_dives();
 133                 dive_list_update_dives();
 134         }
 135         gtk_widget_destroy(dialog);
 136 }
 137
 138 static void file_save(GtkWidget *w, gpointer data)
 139 {
 140         GtkWidget *dialog;
 141         dialog = gtk_file_chooser_dialog_new("Save File",
 142                 GTK_WINDOW(main_window),
 143                 GTK_FILE_CHOOSER_ACTION_SAVE,
 144                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 145                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 146                 NULL);
 147         gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
 148         if (!existing_filename) {
 149                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "Untitled document");
 150         } else
 151                 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), existing_filename);
 152
 153         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 154                 char *filename;
 155                 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 156                 save_dives(filename);
 157                 g_free(filename);
 158                 mark_divelist_changed(FALSE);
 159         }
 160         gtk_widget_destroy(dialog);
 161 }
 162
 163 static void ask_save_changes()
 164 {
 165         GtkWidget *dialog, *label, *content;
 166         dialog = gtk_dialog_new_with_buttons("Save Changes?",
 167                 GTK_WINDOW(main_window), GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 168                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 169                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 170                 NULL);
 171         content = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
 172         label = gtk_label_new ("You have unsaved changes\nWould you like to save those before exiting the program?");
 173         gtk_container_add (GTK_CONTAINER (content), label);
 174         gtk_widget_show_all (dialog);
 175         gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
 176         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 177                 file_save(NULL,NULL);
 178         }
 179         gtk_widget_destroy(dialog);
 180 }
 181
 182 static gboolean on_delete(GtkWidget* w, gpointer data)
 183 {
 184         /* Make sure to flush any modified dive data */
 185         update_dive(NULL);
 186
 187         if (unsaved_changes())
 188                 ask_save_changes();
 189
 190         return FALSE; /* go ahead, kill the program, we're good now */
 191 }
 192
 193 static void on_destroy(GtkWidget* w, gpointer data)
 194 {
 195         gtk_main_quit();
 196 }
 197
 198 static void quit(GtkWidget *w, gpointer data)
 199 {
 200         /* Make sure to flush any modified dive data */
 201         update_dive(NULL);
 202
 203         if (unsaved_changes())
 204                 ask_save_changes();
 205         gtk_main_quit();
 206 }
 207
 208 static void create_radio(GtkWidget *vbox, const char *name, ...)
 209 {
 210         va_list args;
 211         GtkRadioButton *group = NULL;
 212         GtkWidget *box, *label;
 213
 214         box = gtk_hbox_new(TRUE, 10);
 215         gtk_box_pack_start(GTK_BOX(vbox), box, FALSE, FALSE, 0);
 216
 217         label = gtk_label_new(name);
 218         gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
 219
 220         va_start(args, name);
 221         for (;;) {
 222                 int enabled;
 223                 const char *name;
 224                 GtkWidget *button;
 225                 void *callback_fn;
 226
 227                 name = va_arg(args, char *);
 228                 if (!name)
 229                         break;
 230                 callback_fn = va_arg(args, void *);
 231                 enabled = va_arg(args, int);
 232
 233                 button = gtk_radio_button_new_with_label_from_widget(group, name);
 234                 group = GTK_RADIO_BUTTON(button);
 235                 gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
 236                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), enabled);
 237                 g_signal_connect(button, "toggled", G_CALLBACK(callback_fn), NULL);
 238         }
 239         va_end(args);
 240 }
 241
 242 #define UNITCALLBACK(name, type, value)                         \
 243 static void name(GtkWidget *w, gpointer data)                   \
 244 {                                                               \
 245         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w))) \
 246                 menu_units.type = value;                        \
 247 }
 248
 249 static struct units menu_units;
 250
 251 UNITCALLBACK(set_meter, length, METERS)
 252 UNITCALLBACK(set_feet, length, FEET)
 253 UNITCALLBACK(set_bar, pressure, BAR)
 254 UNITCALLBACK(set_psi, pressure, PSI)
 255 UNITCALLBACK(set_liter, volume, LITER)
 256 UNITCALLBACK(set_cuft, volume, CUFT)
 257 UNITCALLBACK(set_celsius, temperature, CELSIUS)
 258 UNITCALLBACK(set_fahrenheit, temperature, FAHRENHEIT)
 259
 260 #define OPTIONCALLBACK(name, option) \
 261 static void name(GtkWidget *w, gpointer data) \
 262 { \
 263         option = GTK_TOGGLE_BUTTON(w)->active; \
 264 }
 265
 266 OPTIONCALLBACK(otu_toggle, visible_cols.otu)
 267 OPTIONCALLBACK(sac_toggle, visible_cols.sac)
 268
 269 static void preferences_dialog(GtkWidget *w, gpointer data)
 270 {
 271         int result;
 272         GtkWidget *dialog, *font, *frame, *box, *vbox, *button;
 273
 274         menu_units = output_units;
 275
 276         dialog = gtk_dialog_new_with_buttons("Preferences",
 277                 GTK_WINDOW(main_window),
 278                 GTK_DIALOG_DESTROY_WITH_PARENT,
 279                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 280                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 281                 NULL);
 282
 283         frame = gtk_frame_new("Units");
 284         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 285         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 286
 287         box = gtk_vbox_new(FALSE, 6);
 288         gtk_container_add(GTK_CONTAINER(frame), box);
 289
 290         create_radio(box, "Depth:",
 291                 "Meter", set_meter, (output_units.length == METERS),
 292                 "Feet",  set_feet, (output_units.length == FEET),
 293                 NULL);
 294
 295         create_radio(box, "Pressure:",
 296                 "Bar", set_bar, (output_units.pressure == BAR),
 297                 "PSI",  set_psi, (output_units.pressure == PSI),
 298                 NULL);
 299
 300         create_radio(box, "Volume:",
 301                 "Liter",  set_liter, (output_units.volume == LITER),
 302                 "CuFt", set_cuft, (output_units.volume == CUFT),
 303                 NULL);
 304
 305         create_radio(box, "Temperature:",
 306                 "Celsius", set_celsius, (output_units.temperature == CELSIUS),
 307                 "Fahrenheit",  set_fahrenheit, (output_units.temperature == FAHRENHEIT),
 308                 NULL);
 309
 310         frame = gtk_frame_new("Columns");
 311         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), frame, FALSE, FALSE, 5);
 312
 313         box = gtk_hbox_new(FALSE, 6);
 314         gtk_container_add(GTK_CONTAINER(frame), box);
 315
 316         button = gtk_check_button_new_with_label("Show SAC");
 317         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.sac);
 318         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 319         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(sac_toggle), NULL);
 320
 321         button = gtk_check_button_new_with_label("Show OTU");
 322         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.otu);
 323         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 324         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(otu_toggle), NULL);
 325
 326         font = gtk_font_button_new_with_font(divelist_font);
 327         gtk_box_pack_start(GTK_BOX(vbox), font, FALSE, FALSE, 5);
 328
 329         gtk_widget_show_all(dialog);
 330         result = gtk_dialog_run(GTK_DIALOG(dialog));
 331         if (result == GTK_RESPONSE_ACCEPT) {
 332                 /* Make sure to flush any modified old dive data with old units */
 333                 update_dive(NULL);
 334
 335                 divelist_font = strdup(gtk_font_button_get_font_name(GTK_FONT_BUTTON(font)));
 336                 set_divelist_font(divelist_font);
 337
 338                 output_units = menu_units;
 339                 update_dive_list_units();
 340                 repaint_dive();
 341                 update_dive_list_col_visibility();
 342                 gconf_client_set_bool(gconf, GCONF_NAME(feet), output_units.length == FEET, NULL);
 343                 gconf_client_set_bool(gconf, GCONF_NAME(psi), output_units.pressure == PSI, NULL);
 344                 gconf_client_set_bool(gconf, GCONF_NAME(cuft), output_units.volume == CUFT, NULL);
 345                 gconf_client_set_bool(gconf, GCONF_NAME(fahrenheit), output_units.temperature == FAHRENHEIT, NULL);
 346                 gconf_client_set_bool(gconf, GCONF_NAME(SAC), ! visible_cols.sac, NULL); /* inverted to get the correct default */
 347                 gconf_client_set_bool(gconf, GCONF_NAME(OTU), visible_cols.otu, NULL);
 348                 gconf_client_set_string(gconf, GCONF_NAME(divelist_font), divelist_font, NULL);
 349         }
 350         gtk_widget_destroy(dialog);
 351 }
 352
 353 static void renumber_dialog(GtkWidget *w, gpointer data)
 354 {
 355         int result;
 356         GtkWidget *dialog, *frame, *button, *vbox;
 357
 358         dialog = gtk_dialog_new_with_buttons("Renumber",
 359                 GTK_WINDOW(main_window),
 360                 GTK_DIALOG_DESTROY_WITH_PARENT,
 361                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 362                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 363                 NULL);
 364
 365         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 366
 367         frame = gtk_frame_new("New starting number");
 368         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 369
 370         button = gtk_spin_button_new_with_range(1, 50000, 1);
 371         gtk_container_add(GTK_CONTAINER(frame), button);
 372
 373         gtk_widget_show_all(dialog);
 374         result = gtk_dialog_run(GTK_DIALOG(dialog));
 375         if (result == GTK_RESPONSE_ACCEPT) {
 376                 int nr = gtk_spin_button_get_value(GTK_SPIN_BUTTON(button));
 377                 renumber_dives(nr);
 378                 repaint_dive();
 379         }
 380         gtk_widget_destroy(dialog);
 381 }
 382
 383 static void about_dialog(GtkWidget *w, gpointer data)
 384 {
 385         const char *logo_property = NULL;
 386         GdkPixbuf *logo = NULL;
 387         GtkWidget *image = gtk_image_new_from_file("icon.svg");
 388
 389         if (image) {
 390                 logo = gtk_image_get_pixbuf(GTK_IMAGE(image));
 391                 logo_property = "logo";
 392         }
 393
 394         gtk_show_about_dialog(NULL,
 395                 "program-name", "SubSurface",
 396                 "comments", "Half-arsed divelog software in C",
 397                 "license", "GPLv2",
 398                 "version", VERSION_STRING,
 399                 "copyright", "Linus Torvalds 2011",
 400                 /* Must be last: */
 401                 logo_property, logo,
 402                 NULL);
 403 }
 404
 405 static GtkActionEntry menu_items[] = {
 406         { "FileMenuAction", GTK_STOCK_FILE, "File", NULL, NULL, NULL},
 407         { "LogMenuAction",  GTK_STOCK_FILE, "Log", NULL, NULL, NULL},
 408         { "HelpMenuAction", GTK_STOCK_HELP, "Help", NULL, NULL, NULL},
 409         { "OpenFile",       GTK_STOCK_OPEN, NULL,   "<control>O", NULL, G_CALLBACK(file_open) },
 410         { "SaveFile",       GTK_STOCK_SAVE, NULL,   "<control>S", NULL, G_CALLBACK(file_save) },
 411         { "Print",          GTK_STOCK_PRINT, NULL,  "<control>P", NULL, G_CALLBACK(do_print) },
 412         { "Import",         NULL, "Import", NULL, NULL, G_CALLBACK(import_dialog) },
 413         { "Preferences",    NULL, "Preferences", NULL, NULL, G_CALLBACK(preferences_dialog) },
 414         { "Renumber",       NULL, "Renumber", NULL, NULL, G_CALLBACK(renumber_dialog) },
 415         { "Quit",           GTK_STOCK_QUIT, NULL,   "<control>Q", NULL, G_CALLBACK(quit) },
 416         { "About",           GTK_STOCK_ABOUT, NULL,  NULL, NULL, G_CALLBACK(about_dialog) },
 417 };
 418 static gint nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);
 419
 420 static const gchar* ui_string = " \
 421         <ui> \
 422                 <menubar name=\"MainMenu\"> \
 423                         <menu name=\"FileMenu\" action=\"FileMenuAction\"> \
 424                                 <menuitem name=\"Open\" action=\"OpenFile\" /> \
 425                                 <menuitem name=\"Save\" action=\"SaveFile\" /> \
 426                                 <menuitem name=\"Print\" action=\"Print\" /> \
 427                                 <separator name=\"Separator1\"/> \
 428                                 <menuitem name=\"Import\" action=\"Import\" /> \
 429                                 <separator name=\"Separator2\"/> \
 430                                 <menuitem name=\"Preferences\" action=\"Preferences\" /> \
 431                                 <separator name=\"Separator3\"/> \
 432                                 <menuitem name=\"Quit\" action=\"Quit\" /> \
 433                         </menu> \
 434                         <menu name=\"LogMenu\" action=\"LogMenuAction\"> \
 435                                 <menuitem name=\"Renumber\" action=\"Renumber\" /> \
 436                         </menu> \
 437                         <menu name=\"Help\" action=\"HelpMenuAction\"> \
 438                                 <menuitem name=\"About\" action=\"About\" /> \
 439                         </menu> \
 440                 </menubar> \
 441         </ui> \
 442 ";
 443
 444 static GtkWidget *get_menubar_menu(GtkWidget *window)
 445 {
 446         GtkActionGroup *action_group = gtk_action_group_new("Menu");
 447         gtk_action_group_add_actions(action_group, menu_items, nmenu_items, 0);
 448
 449         GtkUIManager *ui_manager = gtk_ui_manager_new();
 450         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
 451         GError* error = 0;
 452         gtk_ui_manager_add_ui_from_string(GTK_UI_MANAGER(ui_manager), ui_string, -1, &error);
 453
 454         gtk_window_add_accel_group(GTK_WINDOW(window), gtk_ui_manager_get_accel_group(ui_manager));
 455         GtkWidget* menu = gtk_ui_manager_get_widget(ui_manager, "/MainMenu");
 456
 457         return menu;
 458 }
 459
 460 static void switch_page(GtkNotebook *notebook, gint arg1, gpointer user_data)
 461 {
 462         repaint_dive();
 463 }
 464
 465 static const char notebook_group[] = "123";
 466 #define GRP_ID ((void *)notebook_group)
 467 typedef struct {
 468         char *name;
 469         GtkWidget *widget;
 470         GtkWidget *box;
 471         gulong delete_handler;
 472         gulong destroy_handler;
 473 } notebook_data_t;
 474
 475 static notebook_data_t nbd[2]; /* we rip at most two notebook pages off */
 476
 477 static GtkNotebook *create_new_notebook_window(GtkNotebook *source,
 478                 GtkWidget *page,
 479                 gint x, gint y, gpointer data)
 480 {
 481         GtkWidget *win, *notebook, *vbox;
 482         notebook_data_t *nbdp;
 483
 484         /* pick the right notebook page data and return if both are detached */
 485         if (nbd[0].widget == NULL)
 486                 nbdp = nbd;
 487         else if (nbd[1].widget == NULL)
 488                 nbdp = nbd + 1;
 489         else
 490                 return NULL;
 491
 492         nbdp->name = strdup(gtk_widget_get_name(page));
 493         nbdp->widget = win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 494         gtk_window_set_title(GTK_WINDOW(win), nbdp->name);
 495         gtk_window_move(GTK_WINDOW(win), x, y);
 496
 497         /* Destroying the dive list will kill the application */
 498         nbdp->delete_handler = g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 499         nbdp->destroy_handler = g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 500
 501         nbdp->box = vbox = gtk_vbox_new(FALSE, 0);
 502         gtk_container_add(GTK_CONTAINER(win), vbox);
 503
 504         notebook = gtk_notebook_new();
 505         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 506         gtk_widget_set_name(notebook, nbdp->name);
 507         /* disallow drop events */
 508         gtk_drag_dest_set(notebook, 0, NULL, 0, 0);
 509         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 6);
 510         gtk_widget_set_size_request(notebook, 450, 350);
 511
 512         gtk_widget_show_all(win);
 513         return GTK_NOTEBOOK(notebook);
 514 }
 515
 516 static void drag_cb(GtkWidget *widget, GdkDragContext *context,
 517         gint x, gint y, guint time,
 518         gpointer user_data)
 519 {
 520         GtkWidget *source;
 521         notebook_data_t *nbdp;
 522
 523         source = gtk_drag_get_source_widget(context);
 524         if (nbd[0].name && ! strcmp(nbd[0].name,gtk_widget_get_name(source)))
 525                 nbdp = nbd;
 526         else if (nbd[1].name && ! strcmp(nbd[1].name,gtk_widget_get_name(source)))
 527                 nbdp = nbd + 1;
 528         else
 529                 /* HU? */
 530                 return;
 531
 532         gtk_drag_finish(context, TRUE, TRUE, time);
 533
 534         /* we no longer need the widget - but getting rid of this is hard;
 535          * remove the signal handler, remove the notebook from the box
 536          * then destroy the widget (and clear out our data structure) */
 537         g_signal_handler_disconnect(nbdp->widget,nbdp->delete_handler);
 538         g_signal_handler_disconnect(nbdp->widget,nbdp->destroy_handler);
 539         gtk_container_remove(GTK_CONTAINER(nbdp->box), source);
 540         gtk_widget_destroy(nbdp->widget);
 541         nbdp->widget = NULL;
 542         free(nbdp->name);
 543         nbdp->name = NULL;
 544 }
 545
 546 void init_ui(int argc, char **argv)
 547 {
 548         GtkWidget *win;
 549         GtkWidget *notebook;
 550         GtkWidget *dive_info;
 551         GtkWidget *dive_list;
 552         GtkWidget *equipment;
 553         GtkWidget *menubar;
 554         GtkWidget *vbox;
 555         static const GtkTargetEntry notebook_target = {
 556                 "GTK_NOTEBOOK_TAB", GTK_TARGET_SAME_APP, 0
 557         };
 558
 559         gtk_init(&argc, &argv);
 560
 561         g_type_init();
 562         gconf = gconf_client_get_default();
 563
 564         if (gconf_client_get_bool(gconf, GCONF_NAME(feet), NULL))
 565                 output_units.length = FEET;
 566         if (gconf_client_get_bool(gconf, GCONF_NAME(psi), NULL))
 567                 output_units.pressure = PSI;
 568         if (gconf_client_get_bool(gconf, GCONF_NAME(cuft), NULL))
 569                 output_units.volume = CUFT;
 570         if (gconf_client_get_bool(gconf, GCONF_NAME(fahrenheit), NULL))
 571                 output_units.temperature = FAHRENHEIT;
 572         /* an unset key is FALSE - so in order to get the default behavior right we
 573            invert the meaning of the SAC key */
 574         visible_cols.otu = gconf_client_get_bool(gconf, GCONF_NAME(OTU), NULL);
 575         visible_cols.sac = ! gconf_client_get_bool(gconf, GCONF_NAME(SAC), NULL);
 576
 577         divelist_font = gconf_client_get_string(gconf, GCONF_NAME(divelist_font), NULL);
 578         if (!divelist_font)
 579                 divelist_font = DIVELIST_DEFAULT_FONT;
 580
 581         error_info_bar = NULL;
 582         win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 583         gtk_window_set_icon_from_file(GTK_WINDOW(win), "icon.svg", NULL);
 584         g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 585         g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 586         main_window = win;
 587
 588         vbox = gtk_vbox_new(FALSE, 0);
 589         gtk_container_add(GTK_CONTAINER(win), vbox);
 590         main_vbox = vbox;
 591
 592         menubar = get_menubar_menu(win);
 593         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
 594
 595         /* Notebook for dive info vs profile vs .. */
 596         notebook = gtk_notebook_new();
 597         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 6);
 598         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 599         g_signal_connect(notebook, "create-window", G_CALLBACK(create_new_notebook_window), NULL);
 600         gtk_drag_dest_set(notebook, GTK_DEST_DEFAULT_ALL, &notebook_target, 1, GDK_ACTION_MOVE);
 601         g_signal_connect(notebook, "drag-drop", G_CALLBACK(drag_cb), notebook);
 602         g_signal_connect(notebook, "switch-page", G_CALLBACK(switch_page), NULL);
 603
 604         /* Create the actual divelist */
 605         dive_list = dive_list_create();
 606         gtk_widget_set_name(dive_list, "Dive List");
 607         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_list, gtk_label_new("Dive List"));
 608         gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(notebook), dive_list, 1);
 609         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(notebook), dive_list, 1);
 610
 611         /* Frame for dive profile */
 612         dive_profile = dive_profile_widget();
 613         gtk_widget_set_name(dive_profile, "Dive Profile");
 614         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_profile, gtk_label_new("Dive Profile"));
 615         gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(notebook), dive_profile, 1);
 616         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(notebook), dive_profile, 1);
 617
 618         /* Frame for extended dive info */
 619         dive_info = extended_dive_info_widget();
 620         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_info, gtk_label_new("Dive Notes"));
 621
 622         /* Frame for dive equipment */
 623         equipment = equipment_widget();
 624         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), equipment, gtk_label_new("Equipment"));
 625
 626         gtk_widget_set_app_paintable(win, TRUE);
 627         gtk_widget_show_all(win);
 628
 629         return;
 630 }
 631
 632 void run_ui(void)
 633 {
 634         gtk_main();
 635 }
 636
 637 static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 638 {
 639         struct dive *dive = current_dive;
 640         struct graphics_context gc = { .printer = 0 };
 641         int w,h;
 642
 643         w = widget->allocation.width;
 644         h = widget->allocation.height;
 645
 646         gc.cr = gdk_cairo_create(widget->window);
 647         set_source_rgb(&gc, 0, 0, 0);
 648         cairo_paint(gc.cr);
 649
 650         if (dive)
 651                 plot(&gc, w, h, dive);
 652
 653         cairo_destroy(gc.cr);
 654
 655         return FALSE;
 656 }
 657
 658 GtkWidget *dive_profile_widget(void)
 659 {
 660         GtkWidget *da;
 661
 662         da = gtk_drawing_area_new();
 663         gtk_widget_set_size_request(da, 350, 250);
 664         g_signal_connect(da, "expose_event", G_CALLBACK(expose_event), NULL);
 665
 666         return da;
 667 }
 668
 669 int process_ui_events(void)
 670 {
 671         int ret=0;
 672
 673         while (gtk_events_pending()) {
 674                 if (gtk_main_iteration_do(0)) {
 675                         ret = 1;
 676                         break;
 677                 }
 678         }
 679         return(ret);
 680 }
 681
 682
 683 static void fill_computer_list(GtkListStore *store)
 684 {
 685         GtkTreeIter iter;
 686         struct device_list *list = device_list;
 687
 688         for (list = device_list ; list->name ; list++) {
 689                 gtk_list_store_append(store, &iter);
 690                 gtk_list_store_set(store, &iter,
 691                         0, list->name,
 692                         1, list->type,
 693                         -1);
 694         }
 695 }
 696
 697 static GtkComboBox *dive_computer_selector(GtkWidget *vbox)
 698 {
 699         GtkWidget *hbox, *combo_box, *frame;
 700         GtkListStore *model;
 701         GtkCellRenderer *renderer;
 702
 703         hbox = gtk_hbox_new(FALSE, 6);
 704         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 705
 706         model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 707         fill_computer_list(model);
 708
 709         frame = gtk_frame_new("Dive computer");
 710         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 711
 712         combo_box = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
 713         gtk_container_add(GTK_CONTAINER(frame), combo_box);
 714
 715         renderer = gtk_cell_renderer_text_new();
 716         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo_box), renderer, TRUE);
 717         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo_box), renderer, "text", 0, NULL);
 718
 719         return GTK_COMBO_BOX(combo_box);
 720 }
 721
 722 static GtkEntry *dive_computer_device(GtkWidget *vbox)
 723 {
 724         GtkWidget *hbox, *entry, *frame;
 725
 726         hbox = gtk_hbox_new(FALSE, 6);
 727         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 728
 729         frame = gtk_frame_new("Device name");
 730         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 731
 732         entry = gtk_entry_new();
 733         gtk_container_add(GTK_CONTAINER(frame), entry);
 734         gtk_entry_set_text(GTK_ENTRY(entry), "/dev/ttyUSB0");
 735
 736         return GTK_ENTRY(entry);
 737 }
 738
 739 void import_dialog(GtkWidget *w, gpointer data)
 740 {
 741         int result;
 742         GtkWidget *dialog, *hbox, *vbox;
 743         GtkComboBox *computer;
 744         GtkEntry *device;
 745         device_data_t devicedata = {
 746                 .devname = NULL,
 747         };
 748
 749         dialog = gtk_dialog_new_with_buttons("Import from dive computer",
 750                 GTK_WINDOW(main_window),
 751                 GTK_DIALOG_DESTROY_WITH_PARENT,
 752                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 753                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 754                 NULL);
 755
 756         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 757
 758         computer = dive_computer_selector(vbox);
 759         device = dive_computer_device(vbox);
 760
 761         hbox = gtk_hbox_new(FALSE, 6);
 762         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 3);
 763         devicedata.progress.bar = gtk_progress_bar_new();
 764         gtk_container_add(GTK_CONTAINER(hbox), devicedata.progress.bar);
 765
 766         gtk_widget_show_all(dialog);
 767         result = gtk_dialog_run(GTK_DIALOG(dialog));
 768         switch (result) {
 769                 int type;
 770                 GtkTreeIter iter;
 771                 GtkTreeModel *model;
 772                 const char *comp;
 773         case GTK_RESPONSE_ACCEPT:
 774                 if (!gtk_combo_box_get_active_iter(computer, &iter))
 775                         break;
 776                 model = gtk_combo_box_get_model(computer);
 777                 gtk_tree_model_get(model, &iter,
 778                         0, &comp,
 779                         1, &type,
 780                         -1);
 781                 devicedata.type = type;
 782                 devicedata.name = comp;
 783                 devicedata.devname = gtk_entry_get_text(device);
 784                 do_import(&devicedata);
 785                 break;
 786         default:
 787                 break;
 788         }
 789         gtk_widget_destroy(dialog);
 790
 791         report_dives();
 792         dive_list_update_dives();
 793 }
 794
 795 void update_progressbar(progressbar_t *progress, double value)
 796 {
 797         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress->bar), value);
 798 }
 799
 800
 801 void set_filename(const char *filename)
 802 {
 803         if (filename)
 804                 existing_filename = strdup(filename);
 805         return;
 806 }