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_mime_type(filter, "text/xml");
 107         gtk_file_filter_set_name(filter, "XML file");
 108         gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
 109
 110         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 111                 GSList *filenames;
 112                 char *filename;
 113                 filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
 114
 115                 GError *error = NULL;
 116                 while(filenames != NULL) {
 117                         filename = (char *)filenames->data;
 118                         parse_xml_file(filename, &error);
 119                         if (error != NULL)
 120                         {
 121                                 report_error(error);
 122                                 g_error_free(error);
 123                                 error = NULL;
 124                         }
 125
 126                         g_free(filename);
 127                         filenames = g_slist_next(filenames);
 128                 }
 129                 g_slist_free(filenames);
 130                 report_dives();
 131                 dive_list_update_dives();
 132         }
 133         gtk_widget_destroy(dialog);
 134 }
 135
 136 static void file_save(GtkWidget *w, gpointer data)
 137 {
 138         GtkWidget *dialog;
 139         dialog = gtk_file_chooser_dialog_new("Save File",
 140                 GTK_WINDOW(main_window),
 141                 GTK_FILE_CHOOSER_ACTION_SAVE,
 142                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 143                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 144                 NULL);
 145         gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
 146         if (!existing_filename) {
 147                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "Untitled document");
 148         } else
 149                 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), existing_filename);
 150
 151         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 152                 char *filename;
 153                 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 154                 save_dives(filename);
 155                 g_free(filename);
 156                 mark_divelist_changed(FALSE);
 157         }
 158         gtk_widget_destroy(dialog);
 159 }
 160
 161 static void ask_save_changes()
 162 {
 163         GtkWidget *dialog, *label, *content;
 164         dialog = gtk_dialog_new_with_buttons("Save Changes?",
 165                 GTK_WINDOW(main_window), GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 166                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 167                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 168                 NULL);
 169         content = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
 170         label = gtk_label_new ("You have unsaved changes\nWould you like to save those before exiting the program?");
 171         gtk_container_add (GTK_CONTAINER (content), label);
 172         gtk_widget_show_all (dialog);
 173         gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
 174         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 175                 file_save(NULL,NULL);
 176         }
 177         gtk_widget_destroy(dialog);
 178 }
 179
 180 static gboolean on_delete(GtkWidget* w, gpointer data)
 181 {
 182         /* Make sure to flush any modified dive data */
 183         update_dive(NULL);
 184
 185         if (unsaved_changes())
 186                 ask_save_changes();
 187
 188         return FALSE; /* go ahead, kill the program, we're good now */
 189 }
 190
 191 static void on_destroy(GtkWidget* w, gpointer data)
 192 {
 193         gtk_main_quit();
 194 }
 195
 196 static void quit(GtkWidget *w, gpointer data)
 197 {
 198         /* Make sure to flush any modified dive data */
 199         update_dive(NULL);
 200
 201         if (unsaved_changes())
 202                 ask_save_changes();
 203         gtk_main_quit();
 204 }
 205
 206 static void create_radio(GtkWidget *vbox, const char *name, ...)
 207 {
 208         va_list args;
 209         GtkRadioButton *group = NULL;
 210         GtkWidget *box, *label;
 211
 212         box = gtk_hbox_new(TRUE, 10);
 213         gtk_box_pack_start(GTK_BOX(vbox), box, FALSE, FALSE, 0);
 214
 215         label = gtk_label_new(name);
 216         gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
 217
 218         va_start(args, name);
 219         for (;;) {
 220                 int enabled;
 221                 const char *name;
 222                 GtkWidget *button;
 223                 void *callback_fn;
 224
 225                 name = va_arg(args, char *);
 226                 if (!name)
 227                         break;
 228                 callback_fn = va_arg(args, void *);
 229                 enabled = va_arg(args, int);
 230
 231                 button = gtk_radio_button_new_with_label_from_widget(group, name);
 232                 group = GTK_RADIO_BUTTON(button);
 233                 gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
 234                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), enabled);
 235                 g_signal_connect(button, "toggled", G_CALLBACK(callback_fn), NULL);
 236         }
 237         va_end(args);
 238 }
 239
 240 #define UNITCALLBACK(name, type, value)                         \
 241 static void name(GtkWidget *w, gpointer data)                   \
 242 {                                                               \
 243         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w))) \
 244                 menu_units.type = value;                        \
 245 }
 246
 247 static struct units menu_units;
 248
 249 UNITCALLBACK(set_meter, length, METERS)
 250 UNITCALLBACK(set_feet, length, FEET)
 251 UNITCALLBACK(set_bar, pressure, BAR)
 252 UNITCALLBACK(set_psi, pressure, PSI)
 253 UNITCALLBACK(set_liter, volume, LITER)
 254 UNITCALLBACK(set_cuft, volume, CUFT)
 255 UNITCALLBACK(set_celsius, temperature, CELSIUS)
 256 UNITCALLBACK(set_fahrenheit, temperature, FAHRENHEIT)
 257
 258 #define OPTIONCALLBACK(name, option) \
 259 static void name(GtkWidget *w, gpointer data) \
 260 { \
 261         option = GTK_TOGGLE_BUTTON(w)->active; \
 262 }
 263
 264 OPTIONCALLBACK(otu_toggle, visible_cols.otu)
 265 OPTIONCALLBACK(sac_toggle, visible_cols.sac)
 266
 267 static void preferences_dialog(GtkWidget *w, gpointer data)
 268 {
 269         int result;
 270         GtkWidget *dialog, *font, *frame, *box, *vbox, *button;
 271
 272         menu_units = output_units;
 273
 274         dialog = gtk_dialog_new_with_buttons("Preferences",
 275                 GTK_WINDOW(main_window),
 276                 GTK_DIALOG_DESTROY_WITH_PARENT,
 277                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 278                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 279                 NULL);
 280
 281         frame = gtk_frame_new("Units");
 282         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 283         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 284
 285         box = gtk_vbox_new(FALSE, 6);
 286         gtk_container_add(GTK_CONTAINER(frame), box);
 287
 288         create_radio(box, "Depth:",
 289                 "Meter", set_meter, (output_units.length == METERS),
 290                 "Feet",  set_feet, (output_units.length == FEET),
 291                 NULL);
 292
 293         create_radio(box, "Pressure:",
 294                 "Bar", set_bar, (output_units.pressure == BAR),
 295                 "PSI",  set_psi, (output_units.pressure == PSI),
 296                 NULL);
 297
 298         create_radio(box, "Volume:",
 299                 "Liter",  set_liter, (output_units.volume == LITER),
 300                 "CuFt", set_cuft, (output_units.volume == CUFT),
 301                 NULL);
 302
 303         create_radio(box, "Temperature:",
 304                 "Celsius", set_celsius, (output_units.temperature == CELSIUS),
 305                 "Fahrenheit",  set_fahrenheit, (output_units.temperature == FAHRENHEIT),
 306                 NULL);
 307
 308         frame = gtk_frame_new("Columns");
 309         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), frame, FALSE, FALSE, 5);
 310
 311         box = gtk_hbox_new(FALSE, 6);
 312         gtk_container_add(GTK_CONTAINER(frame), box);
 313
 314         button = gtk_check_button_new_with_label("Show SAC");
 315         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.sac);
 316         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 317         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(sac_toggle), NULL);
 318
 319         button = gtk_check_button_new_with_label("Show OTU");
 320         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.otu);
 321         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 322         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(otu_toggle), NULL);
 323
 324         font = gtk_font_button_new_with_font(divelist_font);
 325         gtk_box_pack_start(GTK_BOX(vbox), font, FALSE, FALSE, 5);
 326
 327         gtk_widget_show_all(dialog);
 328         result = gtk_dialog_run(GTK_DIALOG(dialog));
 329         if (result == GTK_RESPONSE_ACCEPT) {
 330                 /* Make sure to flush any modified old dive data with old units */
 331                 update_dive(NULL);
 332
 333                 divelist_font = strdup(gtk_font_button_get_font_name(GTK_FONT_BUTTON(font)));
 334                 set_divelist_font(divelist_font);
 335
 336                 output_units = menu_units;
 337                 update_dive_list_units();
 338                 repaint_dive();
 339                 update_dive_list_col_visibility();
 340                 gconf_client_set_bool(gconf, GCONF_NAME(feet), output_units.length == FEET, NULL);
 341                 gconf_client_set_bool(gconf, GCONF_NAME(psi), output_units.pressure == PSI, NULL);
 342                 gconf_client_set_bool(gconf, GCONF_NAME(cuft), output_units.volume == CUFT, NULL);
 343                 gconf_client_set_bool(gconf, GCONF_NAME(fahrenheit), output_units.temperature == FAHRENHEIT, NULL);
 344                 gconf_client_set_bool(gconf, GCONF_NAME(SAC), ! visible_cols.sac, NULL); /* inverted to get the correct default */
 345                 gconf_client_set_bool(gconf, GCONF_NAME(OTU), visible_cols.otu, NULL);
 346                 gconf_client_set_string(gconf, GCONF_NAME(divelist_font), divelist_font, NULL);
 347         }
 348         gtk_widget_destroy(dialog);
 349 }
 350
 351 static void renumber_dialog(GtkWidget *w, gpointer data)
 352 {
 353         int result;
 354         GtkWidget *dialog, *frame, *button, *vbox;
 355
 356         dialog = gtk_dialog_new_with_buttons("Renumber",
 357                 GTK_WINDOW(main_window),
 358                 GTK_DIALOG_DESTROY_WITH_PARENT,
 359                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 360                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 361                 NULL);
 362
 363         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 364
 365         frame = gtk_frame_new("New starting number");
 366         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 367
 368         button = gtk_spin_button_new_with_range(1, 50000, 1);
 369         gtk_container_add(GTK_CONTAINER(frame), button);
 370
 371         gtk_widget_show_all(dialog);
 372         result = gtk_dialog_run(GTK_DIALOG(dialog));
 373         if (result == GTK_RESPONSE_ACCEPT) {
 374                 int nr = gtk_spin_button_get_value(GTK_SPIN_BUTTON(button));
 375                 renumber_dives(nr);
 376                 repaint_dive();
 377         }
 378         gtk_widget_destroy(dialog);
 379 }
 380
 381 static void about_dialog(GtkWidget *w, gpointer data)
 382 {
 383         const char *logo_property = NULL;
 384         GdkPixbuf *logo = NULL;
 385         GtkWidget *image = gtk_image_new_from_file("icon.svg");
 386
 387         if (image) {
 388                 logo = gtk_image_get_pixbuf(GTK_IMAGE(image));
 389                 logo_property = "logo";
 390         }
 391
 392         gtk_show_about_dialog(NULL,
 393                 "program-name", "SubSurface",
 394                 "comments", "Half-arsed divelog software in C",
 395                 "license", "GPLv2",
 396                 "version", VERSION_STRING,
 397                 "copyright", "Linus Torvalds 2011",
 398                 /* Must be last: */
 399                 logo_property, logo,
 400                 NULL);
 401 }
 402
 403 static GtkActionEntry menu_items[] = {
 404         { "FileMenuAction", GTK_STOCK_FILE, "File", NULL, NULL, NULL},
 405         { "LogMenuAction",  GTK_STOCK_FILE, "Log", NULL, NULL, NULL},
 406         { "HelpMenuAction", GTK_STOCK_HELP, "Help", NULL, NULL, NULL},
 407         { "OpenFile",       GTK_STOCK_OPEN, NULL,   "<control>O", NULL, G_CALLBACK(file_open) },
 408         { "SaveFile",       GTK_STOCK_SAVE, NULL,   "<control>S", NULL, G_CALLBACK(file_save) },
 409         { "Print",          GTK_STOCK_PRINT, NULL,  "<control>P", NULL, G_CALLBACK(do_print) },
 410         { "Import",         NULL, "Import", NULL, NULL, G_CALLBACK(import_dialog) },
 411         { "Preferences",    NULL, "Preferences", NULL, NULL, G_CALLBACK(preferences_dialog) },
 412         { "Renumber",       NULL, "Renumber", NULL, NULL, G_CALLBACK(renumber_dialog) },
 413         { "Quit",           GTK_STOCK_QUIT, NULL,   "<control>Q", NULL, G_CALLBACK(quit) },
 414         { "About",           GTK_STOCK_ABOUT, NULL,  NULL, NULL, G_CALLBACK(about_dialog) },
 415 };
 416 static gint nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);
 417
 418 static const gchar* ui_string = " \
 419         <ui> \
 420                 <menubar name=\"MainMenu\"> \
 421                         <menu name=\"FileMenu\" action=\"FileMenuAction\"> \
 422                                 <menuitem name=\"Open\" action=\"OpenFile\" /> \
 423                                 <menuitem name=\"Save\" action=\"SaveFile\" /> \
 424                                 <menuitem name=\"Print\" action=\"Print\" /> \
 425                                 <separator name=\"Separator1\"/> \
 426                                 <menuitem name=\"Import\" action=\"Import\" /> \
 427                                 <separator name=\"Separator2\"/> \
 428                                 <menuitem name=\"Preferences\" action=\"Preferences\" /> \
 429                                 <separator name=\"Separator3\"/> \
 430                                 <menuitem name=\"Quit\" action=\"Quit\" /> \
 431                         </menu> \
 432                         <menu name=\"LogMenu\" action=\"LogMenuAction\"> \
 433                                 <menuitem name=\"Renumber\" action=\"Renumber\" /> \
 434                         </menu> \
 435                         <menu name=\"Help\" action=\"HelpMenuAction\"> \
 436                                 <menuitem name=\"About\" action=\"About\" /> \
 437                         </menu> \
 438                 </menubar> \
 439         </ui> \
 440 ";
 441
 442 static GtkWidget *get_menubar_menu(GtkWidget *window)
 443 {
 444         GtkActionGroup *action_group = gtk_action_group_new("Menu");
 445         gtk_action_group_add_actions(action_group, menu_items, nmenu_items, 0);
 446
 447         GtkUIManager *ui_manager = gtk_ui_manager_new();
 448         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
 449         GError* error = 0;
 450         gtk_ui_manager_add_ui_from_string(GTK_UI_MANAGER(ui_manager), ui_string, -1, &error);
 451
 452         gtk_window_add_accel_group(GTK_WINDOW(window), gtk_ui_manager_get_accel_group(ui_manager));
 453         GtkWidget* menu = gtk_ui_manager_get_widget(ui_manager, "/MainMenu");
 454
 455         return menu;
 456 }
 457
 458 static void switch_page(GtkNotebook *notebook, gint arg1, gpointer user_data)
 459 {
 460         repaint_dive();
 461 }
 462
 463 static const char notebook_group[] = "123";
 464 #define GRP_ID ((void *)notebook_group)
 465 typedef struct {
 466         char *name;
 467         GtkWidget *widget;
 468         GtkWidget *box;
 469         gulong delete_handler;
 470         gulong destroy_handler;
 471 } notebook_data_t;
 472
 473 static notebook_data_t nbd[2]; /* we rip at most two notebook pages off */
 474
 475 static GtkNotebook *create_new_notebook_window(GtkNotebook *source,
 476                 GtkWidget *page,
 477                 gint x, gint y, gpointer data)
 478 {
 479         GtkWidget *win, *notebook, *vbox;
 480         notebook_data_t *nbdp;
 481
 482         /* pick the right notebook page data and return if both are detached */
 483         if (nbd[0].widget == NULL)
 484                 nbdp = nbd;
 485         else if (nbd[1].widget == NULL)
 486                 nbdp = nbd + 1;
 487         else
 488                 return NULL;
 489
 490         nbdp->name = strdup(gtk_widget_get_name(page));
 491         nbdp->widget = win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 492         gtk_window_set_title(GTK_WINDOW(win), nbdp->name);
 493         gtk_window_move(GTK_WINDOW(win), x, y);
 494
 495         /* Destroying the dive list will kill the application */
 496         nbdp->delete_handler = g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 497         nbdp->destroy_handler = g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 498
 499         nbdp->box = vbox = gtk_vbox_new(FALSE, 0);
 500         gtk_container_add(GTK_CONTAINER(win), vbox);
 501
 502         notebook = gtk_notebook_new();
 503         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 504         gtk_widget_set_name(notebook, nbdp->name);
 505         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 6);
 506         gtk_widget_set_size_request(notebook, 450, 350);
 507
 508         gtk_widget_show_all(win);
 509         return GTK_NOTEBOOK(notebook);
 510 }
 511
 512 static void drag_cb(GtkWidget *widget, GdkDragContext *context,
 513         gint x, gint y,
 514         GtkSelectionData *selection_data,
 515         guint info, guint time,
 516         gpointer user_data)
 517 {
 518         GtkWidget *source;
 519         notebook_data_t *nbdp;
 520
 521         /*
 522          * We don't actually really *use* this yet, but Dirk wants to
 523          * do all the tabs as detatched tabs, and we'd need to use
 524          * this all to figure out which window we're talking about.
 525          */
 526         source = gtk_drag_get_source_widget(context);
 527         if (nbd[0].name && ! strcmp(nbd[0].name,gtk_widget_get_name(source)))
 528                 nbdp = nbd;
 529         else if (nbd[1].name && ! strcmp(nbd[1].name,gtk_widget_get_name(source)))
 530                 nbdp = nbd + 1;
 531         else
 532                 /* HU? */
 533                 return;
 534
 535         gtk_drag_finish(context, TRUE, TRUE, time);
 536
 537         /* we no longer need the widget - but getting rid of this is hard;
 538          * remove the signal handler, remove the notebook from the box
 539          * then destroy the widget (and clear out our data structure) */
 540         g_signal_handler_disconnect(nbdp->widget,nbdp->delete_handler);
 541         g_signal_handler_disconnect(nbdp->widget,nbdp->destroy_handler);
 542         gtk_container_remove(GTK_CONTAINER(nbdp->box), source);
 543         gtk_widget_destroy(nbdp->widget);
 544         nbdp->widget = NULL;
 545         free(nbdp->name);
 546         nbdp->name = NULL;
 547 }
 548
 549 void init_ui(int argc, char **argv)
 550 {
 551         GtkWidget *win;
 552         GtkWidget *notebook;
 553         GtkWidget *dive_info;
 554         GtkWidget *dive_list;
 555         GtkWidget *equipment;
 556         GtkWidget *menubar;
 557         GtkWidget *vbox;
 558         static const GtkTargetEntry notebook_target = {
 559                 "GTK_NOTEBOOK_TAB", GTK_TARGET_SAME_APP, 0
 560         };
 561
 562         gtk_init(&argc, &argv);
 563
 564         g_type_init();
 565         gconf = gconf_client_get_default();
 566
 567         if (gconf_client_get_bool(gconf, GCONF_NAME(feet), NULL))
 568                 output_units.length = FEET;
 569         if (gconf_client_get_bool(gconf, GCONF_NAME(psi), NULL))
 570                 output_units.pressure = PSI;
 571         if (gconf_client_get_bool(gconf, GCONF_NAME(cuft), NULL))
 572                 output_units.volume = CUFT;
 573         if (gconf_client_get_bool(gconf, GCONF_NAME(fahrenheit), NULL))
 574                 output_units.temperature = FAHRENHEIT;
 575         /* an unset key is FALSE - so in order to get the default behavior right we
 576            invert the meaning of the SAC key */
 577         visible_cols.otu = gconf_client_get_bool(gconf, GCONF_NAME(OTU), NULL);
 578         visible_cols.sac = ! gconf_client_get_bool(gconf, GCONF_NAME(SAC), NULL);
 579
 580         divelist_font = gconf_client_get_string(gconf, GCONF_NAME(divelist_font), NULL);
 581         if (!divelist_font)
 582                 divelist_font = DIVELIST_DEFAULT_FONT;
 583
 584         error_info_bar = NULL;
 585         win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 586         gtk_window_set_icon_from_file(GTK_WINDOW(win), "icon.svg", NULL);
 587         g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 588         g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 589         main_window = win;
 590
 591         vbox = gtk_vbox_new(FALSE, 0);
 592         gtk_container_add(GTK_CONTAINER(win), vbox);
 593         main_vbox = vbox;
 594
 595         menubar = get_menubar_menu(win);
 596         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
 597
 598         /* Notebook for dive info vs profile vs .. */
 599         notebook = gtk_notebook_new();
 600         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 6);
 601         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 602         g_signal_connect(notebook, "create-window", G_CALLBACK(create_new_notebook_window), NULL);
 603         gtk_drag_dest_set(notebook, GTK_DEST_DEFAULT_ALL, &notebook_target, 1, GDK_ACTION_MOVE);
 604         g_signal_connect(notebook, "drag-drop", G_CALLBACK(drag_cb), notebook);
 605         g_signal_connect(notebook, "switch-page", G_CALLBACK(switch_page), NULL);
 606
 607         /* Create the actual divelist */
 608         dive_list = dive_list_create();
 609         gtk_widget_set_name(dive_list, "Dive List");
 610         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_list, gtk_label_new("Dive List"));
 611         gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(notebook), dive_list, 1);
 612         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(notebook), dive_list, 1);
 613
 614         /* Frame for dive profile */
 615         dive_profile = dive_profile_widget();
 616         gtk_widget_set_name(dive_profile, "Dive Profile");
 617         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_profile, gtk_label_new("Dive Profile"));
 618         gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(notebook), dive_profile, 1);
 619         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(notebook), dive_profile, 1);
 620
 621         /* Frame for extended dive info */
 622         dive_info = extended_dive_info_widget();
 623         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_info, gtk_label_new("Dive Notes"));
 624
 625         /* Frame for dive equipment */
 626         equipment = equipment_widget();
 627         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), equipment, gtk_label_new("Equipment"));
 628
 629         gtk_widget_set_app_paintable(win, TRUE);
 630         gtk_widget_show_all(win);
 631
 632         return;
 633 }
 634
 635 void run_ui(void)
 636 {
 637         gtk_main();
 638 }
 639
 640 /* get the filenames the user selects and call the parsing function
 641  * on them
 642  * return 0 if the user cancelled the dialog
 643  */
 644 int open_import_file_dialog(char *filterpattern, char *filtertext,
 645                         void(* parse_function)(char *))
 646 {
 647         int ret=0;
 648
 649         GtkWidget *dialog;
 650         GtkFileFilter *filter = gtk_file_filter_new ();
 651         gtk_file_filter_add_pattern (filter, filterpattern);
 652         gtk_file_filter_set_name(filter, filtertext);
 653         dialog = gtk_file_chooser_dialog_new("Open File",
 654                                         GTK_WINDOW(main_window),
 655                                         GTK_FILE_CHOOSER_ACTION_OPEN,
 656                                         GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 657                                         GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 658                                         NULL);
 659         gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
 660         gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog),filter);
 661
 662         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 663                 GSList *filenames;
 664                 char *filename;
 665                 filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
 666                 while(filenames != NULL) {
 667                         filename = (char *)filenames->data;
 668                         parse_function(filename);
 669                         g_free(filename);
 670                         filenames = g_slist_next(filenames);
 671                 }
 672                 g_slist_free(filenames);
 673                 ret = 1;
 674         }
 675         gtk_widget_destroy(dialog);
 676
 677         return ret;
 678 }
 679
 680 static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 681 {
 682         struct dive *dive = current_dive;
 683         struct graphics_context gc = { .printer = 0 };
 684         int w,h;
 685
 686         w = widget->allocation.width;
 687         h = widget->allocation.height;
 688
 689         gc.cr = gdk_cairo_create(widget->window);
 690         set_source_rgb(&gc, 0, 0, 0);
 691         cairo_paint(gc.cr);
 692
 693         if (dive)
 694                 plot(&gc, w, h, dive);
 695
 696         cairo_destroy(gc.cr);
 697
 698         return FALSE;
 699 }
 700
 701 GtkWidget *dive_profile_widget(void)
 702 {
 703         GtkWidget *da;
 704
 705         da = gtk_drawing_area_new();
 706         gtk_widget_set_size_request(da, 350, 250);
 707         g_signal_connect(da, "expose_event", G_CALLBACK(expose_event), NULL);
 708
 709         return da;
 710 }
 711
 712 int process_ui_events(void)
 713 {
 714         int ret=0;
 715
 716         while (gtk_events_pending()) {
 717                 if (gtk_main_iteration_do(0)) {
 718                         ret = 1;
 719                         break;
 720                 }
 721         }
 722         return(ret);
 723 }
 724
 725
 726 static void fill_computer_list(GtkListStore *store)
 727 {
 728         GtkTreeIter iter;
 729         struct device_list *list = device_list;
 730
 731         for (list = device_list ; list->name ; list++) {
 732                 gtk_list_store_append(store, &iter);
 733                 gtk_list_store_set(store, &iter,
 734                         0, list->name,
 735                         1, list->type,
 736                         -1);
 737         }
 738 }
 739
 740 static GtkComboBox *dive_computer_selector(GtkWidget *vbox)
 741 {
 742         GtkWidget *hbox, *combo_box, *frame;
 743         GtkListStore *model;
 744         GtkCellRenderer *renderer;
 745
 746         hbox = gtk_hbox_new(FALSE, 6);
 747         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 748
 749         model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 750         fill_computer_list(model);
 751
 752         frame = gtk_frame_new("Dive computer");
 753         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 754
 755         combo_box = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
 756         gtk_container_add(GTK_CONTAINER(frame), combo_box);
 757
 758         renderer = gtk_cell_renderer_text_new();
 759         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo_box), renderer, TRUE);
 760         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo_box), renderer, "text", 0, NULL);
 761
 762         return GTK_COMBO_BOX(combo_box);
 763 }
 764
 765 static GtkEntry *dive_computer_device(GtkWidget *vbox)
 766 {
 767         GtkWidget *hbox, *entry, *frame;
 768
 769         hbox = gtk_hbox_new(FALSE, 6);
 770         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 771
 772         frame = gtk_frame_new("Device name");
 773         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 774
 775         entry = gtk_entry_new();
 776         gtk_container_add(GTK_CONTAINER(frame), entry);
 777         gtk_entry_set_text(GTK_ENTRY(entry), "/dev/ttyUSB0");
 778
 779         return GTK_ENTRY(entry);
 780 }
 781
 782 void import_dialog(GtkWidget *w, gpointer data)
 783 {
 784         int result;
 785         GtkWidget *dialog, *hbox, *vbox;
 786         GtkComboBox *computer;
 787         GtkEntry *device;
 788         device_data_t devicedata = {
 789                 .devname = NULL,
 790         };
 791
 792         dialog = gtk_dialog_new_with_buttons("Import from dive computer",
 793                 GTK_WINDOW(main_window),
 794                 GTK_DIALOG_DESTROY_WITH_PARENT,
 795                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 796                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 797                 NULL);
 798
 799         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 800
 801         computer = dive_computer_selector(vbox);
 802         device = dive_computer_device(vbox);
 803
 804         hbox = gtk_hbox_new(FALSE, 6);
 805         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 3);
 806         devicedata.progress.bar = gtk_progress_bar_new();
 807         gtk_container_add(GTK_CONTAINER(hbox), devicedata.progress.bar);
 808
 809         gtk_widget_show_all(dialog);
 810         result = gtk_dialog_run(GTK_DIALOG(dialog));
 811         switch (result) {
 812                 int type;
 813                 GtkTreeIter iter;
 814                 GtkTreeModel *model;
 815                 const char *comp;
 816         case GTK_RESPONSE_ACCEPT:
 817                 if (!gtk_combo_box_get_active_iter(computer, &iter))
 818                         break;
 819                 model = gtk_combo_box_get_model(computer);
 820                 gtk_tree_model_get(model, &iter,
 821                         0, &comp,
 822                         1, &type,
 823                         -1);
 824                 devicedata.type = type;
 825                 devicedata.name = comp;
 826                 devicedata.devname = gtk_entry_get_text(device);
 827                 do_import(&devicedata);
 828                 break;
 829         default:
 830                 break;
 831         }
 832         gtk_widget_destroy(dialog);
 833
 834         report_dives();
 835         dive_list_update_dives();
 836 }
 837
 838 void update_progressbar(progressbar_t *progress, double value)
 839 {
 840         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress->bar), value);
 841 }
 842
 843
 844 void set_filename(const char *filename)
 845 {
 846         if (filename)
 847                 existing_filename = strdup(filename);
 848         return;
 849 }