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         }
 134         gtk_widget_destroy(dialog);
 135 }
 136
 137 static void file_save(GtkWidget *w, gpointer data)
 138 {
 139         GtkWidget *dialog;
 140         dialog = gtk_file_chooser_dialog_new("Save File",
 141                 GTK_WINDOW(main_window),
 142                 GTK_FILE_CHOOSER_ACTION_SAVE,
 143                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 144                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 145                 NULL);
 146         gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
 147         if (!existing_filename) {
 148                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "Untitled document");
 149         } else
 150                 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), existing_filename);
 151
 152         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 153                 char *filename;
 154                 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 155                 save_dives(filename);
 156                 g_free(filename);
 157                 mark_divelist_changed(FALSE);
 158         }
 159         gtk_widget_destroy(dialog);
 160 }
 161
 162 static void ask_save_changes()
 163 {
 164         GtkWidget *dialog, *label, *content;
 165         dialog = gtk_dialog_new_with_buttons("Save Changes?",
 166                 GTK_WINDOW(main_window), GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 167                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 168                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 169                 NULL);
 170         content = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
 171         label = gtk_label_new ("You have unsaved changes\nWould you like to save those before exiting the program?");
 172         gtk_container_add (GTK_CONTAINER (content), label);
 173         gtk_widget_show_all (dialog);
 174         gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
 175         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 176                 file_save(NULL,NULL);
 177         }
 178         gtk_widget_destroy(dialog);
 179 }
 180
 181 static gboolean on_delete(GtkWidget* w, gpointer data)
 182 {
 183         /* Make sure to flush any modified dive data */
 184         update_dive(NULL);
 185
 186         if (unsaved_changes())
 187                 ask_save_changes();
 188
 189         return FALSE; /* go ahead, kill the program, we're good now */
 190 }
 191
 192 static void on_destroy(GtkWidget* w, gpointer data)
 193 {
 194         gtk_main_quit();
 195 }
 196
 197 static void quit(GtkWidget *w, gpointer data)
 198 {
 199         /* Make sure to flush any modified dive data */
 200         update_dive(NULL);
 201
 202         if (unsaved_changes())
 203                 ask_save_changes();
 204         gtk_main_quit();
 205 }
 206
 207 GtkTreeViewColumn *tree_view_column(GtkWidget *tree_view, int index, const char *title,
 208                                 data_func_t data_func, PangoAlignment align, gboolean visible)
 209 {
 210         GtkCellRenderer *renderer;
 211         GtkTreeViewColumn *col;
 212         double xalign = 0.0; /* left as default */
 213
 214         renderer = gtk_cell_renderer_text_new();
 215         col = gtk_tree_view_column_new();
 216
 217         gtk_tree_view_column_set_title(col, title);
 218         gtk_tree_view_column_set_sort_column_id(col, index);
 219         gtk_tree_view_column_set_resizable(col, TRUE);
 220         gtk_tree_view_column_pack_start(col, renderer, TRUE);
 221         if (data_func)
 222                 gtk_tree_view_column_set_cell_data_func(col, renderer, data_func, (void *)(long)index, NULL);
 223         else
 224                 gtk_tree_view_column_add_attribute(col, renderer, "text", index);
 225         gtk_object_set(GTK_OBJECT(renderer), "alignment", align, NULL);
 226         switch (align) {
 227         case PANGO_ALIGN_LEFT:
 228                 xalign = 0.0;
 229                 break;
 230         case PANGO_ALIGN_CENTER:
 231                 xalign = 0.5;
 232                 break;
 233         case PANGO_ALIGN_RIGHT:
 234                 xalign = 1.0;
 235                 break;
 236         }
 237         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), xalign, 0.5);
 238         gtk_tree_view_column_set_visible(col, visible);
 239         gtk_tree_view_append_column(GTK_TREE_VIEW(tree_view), col);
 240         return col;
 241 }
 242
 243 static void create_radio(GtkWidget *vbox, const char *name, ...)
 244 {
 245         va_list args;
 246         GtkRadioButton *group = NULL;
 247         GtkWidget *box, *label;
 248
 249         box = gtk_hbox_new(TRUE, 10);
 250         gtk_box_pack_start(GTK_BOX(vbox), box, FALSE, FALSE, 0);
 251
 252         label = gtk_label_new(name);
 253         gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
 254
 255         va_start(args, name);
 256         for (;;) {
 257                 int enabled;
 258                 const char *name;
 259                 GtkWidget *button;
 260                 void *callback_fn;
 261
 262                 name = va_arg(args, char *);
 263                 if (!name)
 264                         break;
 265                 callback_fn = va_arg(args, void *);
 266                 enabled = va_arg(args, int);
 267
 268                 button = gtk_radio_button_new_with_label_from_widget(group, name);
 269                 group = GTK_RADIO_BUTTON(button);
 270                 gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
 271                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), enabled);
 272                 g_signal_connect(button, "toggled", G_CALLBACK(callback_fn), NULL);
 273         }
 274         va_end(args);
 275 }
 276
 277 #define UNITCALLBACK(name, type, value)                         \
 278 static void name(GtkWidget *w, gpointer data)                   \
 279 {                                                               \
 280         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w))) \
 281                 menu_units.type = value;                        \
 282 }
 283
 284 static struct units menu_units;
 285
 286 UNITCALLBACK(set_meter, length, METERS)
 287 UNITCALLBACK(set_feet, length, FEET)
 288 UNITCALLBACK(set_bar, pressure, BAR)
 289 UNITCALLBACK(set_psi, pressure, PSI)
 290 UNITCALLBACK(set_liter, volume, LITER)
 291 UNITCALLBACK(set_cuft, volume, CUFT)
 292 UNITCALLBACK(set_celsius, temperature, CELSIUS)
 293 UNITCALLBACK(set_fahrenheit, temperature, FAHRENHEIT)
 294
 295 #define OPTIONCALLBACK(name, option) \
 296 static void name(GtkWidget *w, gpointer data) \
 297 { \
 298         option = GTK_TOGGLE_BUTTON(w)->active; \
 299 }
 300
 301 OPTIONCALLBACK(otu_toggle, visible_cols.otu)
 302 OPTIONCALLBACK(sac_toggle, visible_cols.sac)
 303
 304 static void preferences_dialog(GtkWidget *w, gpointer data)
 305 {
 306         int result;
 307         GtkWidget *dialog, *font, *frame, *box, *vbox, *button;
 308
 309         menu_units = output_units;
 310
 311         dialog = gtk_dialog_new_with_buttons("Preferences",
 312                 GTK_WINDOW(main_window),
 313                 GTK_DIALOG_DESTROY_WITH_PARENT,
 314                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 315                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 316                 NULL);
 317
 318         frame = gtk_frame_new("Units");
 319         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 320         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 321
 322         box = gtk_vbox_new(FALSE, 6);
 323         gtk_container_add(GTK_CONTAINER(frame), box);
 324
 325         create_radio(box, "Depth:",
 326                 "Meter", set_meter, (output_units.length == METERS),
 327                 "Feet",  set_feet, (output_units.length == FEET),
 328                 NULL);
 329
 330         create_radio(box, "Pressure:",
 331                 "Bar", set_bar, (output_units.pressure == BAR),
 332                 "PSI",  set_psi, (output_units.pressure == PSI),
 333                 NULL);
 334
 335         create_radio(box, "Volume:",
 336                 "Liter",  set_liter, (output_units.volume == LITER),
 337                 "CuFt", set_cuft, (output_units.volume == CUFT),
 338                 NULL);
 339
 340         create_radio(box, "Temperature:",
 341                 "Celsius", set_celsius, (output_units.temperature == CELSIUS),
 342                 "Fahrenheit",  set_fahrenheit, (output_units.temperature == FAHRENHEIT),
 343                 NULL);
 344
 345         frame = gtk_frame_new("Columns");
 346         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), frame, FALSE, FALSE, 5);
 347
 348         box = gtk_hbox_new(FALSE, 6);
 349         gtk_container_add(GTK_CONTAINER(frame), box);
 350
 351         button = gtk_check_button_new_with_label("Show SAC");
 352         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.sac);
 353         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 354         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(sac_toggle), NULL);
 355
 356         button = gtk_check_button_new_with_label("Show OTU");
 357         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.otu);
 358         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 359         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(otu_toggle), NULL);
 360
 361         font = gtk_font_button_new_with_font(divelist_font);
 362         gtk_box_pack_start(GTK_BOX(vbox), font, FALSE, FALSE, 5);
 363
 364         gtk_widget_show_all(dialog);
 365         result = gtk_dialog_run(GTK_DIALOG(dialog));
 366         if (result == GTK_RESPONSE_ACCEPT) {
 367                 /* Make sure to flush any modified old dive data with old units */
 368                 update_dive(NULL);
 369
 370                 divelist_font = strdup(gtk_font_button_get_font_name(GTK_FONT_BUTTON(font)));
 371                 set_divelist_font(divelist_font);
 372
 373                 output_units = menu_units;
 374                 update_dive_list_units();
 375                 repaint_dive();
 376                 update_dive_list_col_visibility();
 377                 gconf_client_set_bool(gconf, GCONF_NAME(feet), output_units.length == FEET, NULL);
 378                 gconf_client_set_bool(gconf, GCONF_NAME(psi), output_units.pressure == PSI, NULL);
 379                 gconf_client_set_bool(gconf, GCONF_NAME(cuft), output_units.volume == CUFT, NULL);
 380                 gconf_client_set_bool(gconf, GCONF_NAME(fahrenheit), output_units.temperature == FAHRENHEIT, NULL);
 381                 gconf_client_set_bool(gconf, GCONF_NAME(SAC), ! visible_cols.sac, NULL); /* inverted to get the correct default */
 382                 gconf_client_set_bool(gconf, GCONF_NAME(OTU), visible_cols.otu, NULL);
 383                 gconf_client_set_string(gconf, GCONF_NAME(divelist_font), divelist_font, NULL);
 384         }
 385         gtk_widget_destroy(dialog);
 386 }
 387
 388 static void renumber_dialog(GtkWidget *w, gpointer data)
 389 {
 390         int result;
 391         GtkWidget *dialog, *frame, *button, *vbox;
 392
 393         dialog = gtk_dialog_new_with_buttons("Renumber",
 394                 GTK_WINDOW(main_window),
 395                 GTK_DIALOG_DESTROY_WITH_PARENT,
 396                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 397                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 398                 NULL);
 399
 400         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 401
 402         frame = gtk_frame_new("New starting number");
 403         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 404
 405         button = gtk_spin_button_new_with_range(1, 50000, 1);
 406         gtk_container_add(GTK_CONTAINER(frame), button);
 407
 408         gtk_widget_show_all(dialog);
 409         result = gtk_dialog_run(GTK_DIALOG(dialog));
 410         if (result == GTK_RESPONSE_ACCEPT) {
 411                 int nr = gtk_spin_button_get_value(GTK_SPIN_BUTTON(button));
 412                 renumber_dives(nr);
 413                 repaint_dive();
 414         }
 415         gtk_widget_destroy(dialog);
 416 }
 417
 418 static void about_dialog(GtkWidget *w, gpointer data)
 419 {
 420         const char *logo_property = NULL;
 421         GdkPixbuf *logo = NULL;
 422         GtkWidget *image = gtk_image_new_from_file("icon.svg");
 423
 424         if (image) {
 425                 logo = gtk_image_get_pixbuf(GTK_IMAGE(image));
 426                 logo_property = "logo";
 427         }
 428
 429         gtk_show_about_dialog(NULL,
 430                 "program-name", "SubSurface",
 431                 "comments", "Half-arsed divelog software in C",
 432                 "license", "GPLv2",
 433                 "version", VERSION_STRING,
 434                 "copyright", "Linus Torvalds 2011",
 435                 /* Must be last: */
 436                 logo_property, logo,
 437                 NULL);
 438 }
 439
 440 static GtkActionEntry menu_items[] = {
 441         { "FileMenuAction", GTK_STOCK_FILE, "File", NULL, NULL, NULL},
 442         { "LogMenuAction",  GTK_STOCK_FILE, "Log", NULL, NULL, NULL},
 443         { "HelpMenuAction", GTK_STOCK_HELP, "Help", NULL, NULL, NULL},
 444         { "OpenFile",       GTK_STOCK_OPEN, NULL,   "<control>O", NULL, G_CALLBACK(file_open) },
 445         { "SaveFile",       GTK_STOCK_SAVE, NULL,   "<control>S", NULL, G_CALLBACK(file_save) },
 446         { "Print",          GTK_STOCK_PRINT, NULL,  "<control>P", NULL, G_CALLBACK(do_print) },
 447         { "Import",         NULL, "Import", NULL, NULL, G_CALLBACK(import_dialog) },
 448         { "Preferences",    NULL, "Preferences", NULL, NULL, G_CALLBACK(preferences_dialog) },
 449         { "Renumber",       NULL, "Renumber", NULL, NULL, G_CALLBACK(renumber_dialog) },
 450         { "Quit",           GTK_STOCK_QUIT, NULL,   "<control>Q", NULL, G_CALLBACK(quit) },
 451         { "About",           GTK_STOCK_ABOUT, NULL,  NULL, NULL, G_CALLBACK(about_dialog) },
 452 };
 453 static gint nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);
 454
 455 static const gchar* ui_string = " \
 456         <ui> \
 457                 <menubar name=\"MainMenu\"> \
 458                         <menu name=\"FileMenu\" action=\"FileMenuAction\"> \
 459                                 <menuitem name=\"Open\" action=\"OpenFile\" /> \
 460                                 <menuitem name=\"Save\" action=\"SaveFile\" /> \
 461                                 <menuitem name=\"Print\" action=\"Print\" /> \
 462                                 <separator name=\"Separator1\"/> \
 463                                 <menuitem name=\"Import\" action=\"Import\" /> \
 464                                 <separator name=\"Separator2\"/> \
 465                                 <menuitem name=\"Preferences\" action=\"Preferences\" /> \
 466                                 <separator name=\"Separator3\"/> \
 467                                 <menuitem name=\"Quit\" action=\"Quit\" /> \
 468                         </menu> \
 469                         <menu name=\"LogMenu\" action=\"LogMenuAction\"> \
 470                                 <menuitem name=\"Renumber\" action=\"Renumber\" /> \
 471                         </menu> \
 472                         <menu name=\"Help\" action=\"HelpMenuAction\"> \
 473                                 <menuitem name=\"About\" action=\"About\" /> \
 474                         </menu> \
 475                 </menubar> \
 476         </ui> \
 477 ";
 478
 479 static GtkWidget *get_menubar_menu(GtkWidget *window)
 480 {
 481         GtkActionGroup *action_group = gtk_action_group_new("Menu");
 482         gtk_action_group_add_actions(action_group, menu_items, nmenu_items, 0);
 483
 484         GtkUIManager *ui_manager = gtk_ui_manager_new();
 485         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
 486         GError* error = 0;
 487         gtk_ui_manager_add_ui_from_string(GTK_UI_MANAGER(ui_manager), ui_string, -1, &error);
 488
 489         gtk_window_add_accel_group(GTK_WINDOW(window), gtk_ui_manager_get_accel_group(ui_manager));
 490         GtkWidget* menu = gtk_ui_manager_get_widget(ui_manager, "/MainMenu");
 491
 492         return menu;
 493 }
 494
 495 static void switch_page(GtkNotebook *notebook, gint arg1, gpointer user_data)
 496 {
 497         repaint_dive();
 498 }
 499
 500 static const char notebook_group[] = "123";
 501 #define GRP_ID ((void *)notebook_group)
 502 typedef struct {
 503         char *name;
 504         GtkWidget *widget;
 505         GtkWidget *box;
 506         gulong delete_handler;
 507         gulong destroy_handler;
 508 } notebook_data_t;
 509
 510 static notebook_data_t nbd[2]; /* we rip at most two notebook pages off */
 511
 512 static GtkNotebook *create_new_notebook_window(GtkNotebook *source,
 513                 GtkWidget *page,
 514                 gint x, gint y, gpointer data)
 515 {
 516         GtkWidget *win, *notebook, *vbox;
 517         notebook_data_t *nbdp;
 518
 519         /* pick the right notebook page data and return if both are detached */
 520         if (nbd[0].widget == NULL)
 521                 nbdp = nbd;
 522         else if (nbd[1].widget == NULL)
 523                 nbdp = nbd + 1;
 524         else
 525                 return NULL;
 526
 527         nbdp->name = strdup(gtk_widget_get_name(page));
 528         nbdp->widget = win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 529         gtk_window_set_title(GTK_WINDOW(win), nbdp->name);
 530         gtk_window_move(GTK_WINDOW(win), x, y);
 531
 532         /* Destroying the dive list will kill the application */
 533         nbdp->delete_handler = g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 534         nbdp->destroy_handler = g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 535
 536         nbdp->box = vbox = gtk_vbox_new(FALSE, 0);
 537         gtk_container_add(GTK_CONTAINER(win), vbox);
 538
 539         notebook = gtk_notebook_new();
 540         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 541         gtk_widget_set_name(notebook, nbdp->name);
 542         /* disallow drop events */
 543         gtk_drag_dest_set(notebook, 0, NULL, 0, 0);
 544         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 6);
 545         gtk_widget_set_size_request(notebook, 450, 350);
 546
 547         gtk_widget_show_all(win);
 548         return GTK_NOTEBOOK(notebook);
 549 }
 550
 551 static void drag_cb(GtkWidget *widget, GdkDragContext *context,
 552         gint x, gint y, guint time,
 553         gpointer user_data)
 554 {
 555         GtkWidget *source;
 556         notebook_data_t *nbdp;
 557
 558         source = gtk_drag_get_source_widget(context);
 559         if (nbd[0].name && ! strcmp(nbd[0].name,gtk_widget_get_name(source)))
 560                 nbdp = nbd;
 561         else if (nbd[1].name && ! strcmp(nbd[1].name,gtk_widget_get_name(source)))
 562                 nbdp = nbd + 1;
 563         else
 564                 /* HU? */
 565                 return;
 566
 567         gtk_drag_finish(context, TRUE, TRUE, time);
 568
 569         /* we no longer need the widget - but getting rid of this is hard;
 570          * remove the signal handler, remove the notebook from the box
 571          * then destroy the widget (and clear out our data structure) */
 572         g_signal_handler_disconnect(nbdp->widget,nbdp->delete_handler);
 573         g_signal_handler_disconnect(nbdp->widget,nbdp->destroy_handler);
 574         gtk_container_remove(GTK_CONTAINER(nbdp->box), source);
 575         gtk_widget_destroy(nbdp->widget);
 576         nbdp->widget = NULL;
 577         free(nbdp->name);
 578         nbdp->name = NULL;
 579 }
 580
 581 void init_ui(int argc, char **argv)
 582 {
 583         GtkWidget *win;
 584         GtkWidget *notebook;
 585         GtkWidget *dive_info;
 586         GtkWidget *dive_list;
 587         GtkWidget *equipment;
 588         GtkWidget *menubar;
 589         GtkWidget *vbox;
 590         GtkSettings *settings;
 591         static const GtkTargetEntry notebook_target = {
 592                 "GTK_NOTEBOOK_TAB", GTK_TARGET_SAME_APP, 0
 593         };
 594
 595         gtk_init(&argc, &argv);
 596         settings = gtk_settings_get_default();
 597         gtk_settings_set_long_property(settings, "gtk_tooltip_timeout", 10, "subsurface setting");
 598
 599         g_type_init();
 600         gconf = gconf_client_get_default();
 601
 602         if (gconf_client_get_bool(gconf, GCONF_NAME(feet), NULL))
 603                 output_units.length = FEET;
 604         if (gconf_client_get_bool(gconf, GCONF_NAME(psi), NULL))
 605                 output_units.pressure = PSI;
 606         if (gconf_client_get_bool(gconf, GCONF_NAME(cuft), NULL))
 607                 output_units.volume = CUFT;
 608         if (gconf_client_get_bool(gconf, GCONF_NAME(fahrenheit), NULL))
 609                 output_units.temperature = FAHRENHEIT;
 610         /* an unset key is FALSE - so in order to get the default behavior right we
 611            invert the meaning of the SAC key */
 612         visible_cols.otu = gconf_client_get_bool(gconf, GCONF_NAME(OTU), NULL);
 613         visible_cols.sac = ! gconf_client_get_bool(gconf, GCONF_NAME(SAC), NULL);
 614
 615         divelist_font = gconf_client_get_string(gconf, GCONF_NAME(divelist_font), NULL);
 616         if (!divelist_font)
 617                 divelist_font = DIVELIST_DEFAULT_FONT;
 618
 619         error_info_bar = NULL;
 620         win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 621         gtk_window_set_icon_from_file(GTK_WINDOW(win), "icon.svg", NULL);
 622         g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 623         g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 624         main_window = win;
 625
 626         vbox = gtk_vbox_new(FALSE, 0);
 627         gtk_container_add(GTK_CONTAINER(win), vbox);
 628         main_vbox = vbox;
 629
 630         menubar = get_menubar_menu(win);
 631         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
 632
 633         /* Notebook for dive info vs profile vs .. */
 634         notebook = gtk_notebook_new();
 635         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 6);
 636         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 637         g_signal_connect(notebook, "create-window", G_CALLBACK(create_new_notebook_window), NULL);
 638         gtk_drag_dest_set(notebook, GTK_DEST_DEFAULT_ALL, &notebook_target, 1, GDK_ACTION_MOVE);
 639         g_signal_connect(notebook, "drag-drop", G_CALLBACK(drag_cb), notebook);
 640         g_signal_connect(notebook, "switch-page", G_CALLBACK(switch_page), NULL);
 641
 642         /* Create the actual divelist */
 643         dive_list = dive_list_create();
 644         gtk_widget_set_name(dive_list, "Dive List");
 645         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_list, gtk_label_new("Dive List"));
 646         gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(notebook), dive_list, 1);
 647         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(notebook), dive_list, 1);
 648
 649         /* Frame for dive profile */
 650         dive_profile = dive_profile_widget();
 651         gtk_widget_set_name(dive_profile, "Dive Profile");
 652         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_profile, gtk_label_new("Dive Profile"));
 653         gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(notebook), dive_profile, 1);
 654         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(notebook), dive_profile, 1);
 655
 656         /* Frame for extended dive info */
 657         dive_info = extended_dive_info_widget();
 658         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_info, gtk_label_new("Dive Notes"));
 659
 660         /* Frame for dive equipment */
 661         equipment = equipment_widget();
 662         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), equipment, gtk_label_new("Equipment"));
 663
 664         gtk_widget_set_app_paintable(win, TRUE);
 665         gtk_widget_show_all(win);
 666
 667         return;
 668 }
 669
 670 void run_ui(void)
 671 {
 672         gtk_main();
 673 }
 674
 675 typedef struct {
 676         cairo_rectangle_int_t rect;
 677         const char *text;
 678 } tooltip_record_t;
 679
 680 static tooltip_record_t *tooltip_rects;
 681 static int tooltips;
 682
 683 void attach_tooltip(int x, int y, int w, int h, const char *text)
 684 {
 685         cairo_rectangle_int_t *rect;
 686         tooltip_rects = realloc(tooltip_rects, (tooltips + 1) * sizeof(tooltip_record_t));
 687         rect = &tooltip_rects[tooltips].rect;
 688         rect->x = x;
 689         rect->y = y;
 690         rect->width = w;
 691         rect->height = h;
 692         tooltip_rects[tooltips].text = text;
 693         tooltips++;
 694 }
 695
 696 #define INSIDE_RECT(_r,_x,_y)   ((_r.x <= _x) && (_r.x + _r.width >= _x) && \
 697                                 (_r.y <= _y) && (_r.y + _r.height >= _y))
 698
 699 static gboolean profile_tooltip (GtkWidget *widget, gint x, gint y,
 700                         gboolean keyboard_mode, GtkTooltip *tooltip, gpointer user_data)
 701 {
 702         int i;
 703         cairo_rectangle_int_t *drawing_area = user_data;
 704         gint tx = x - drawing_area->x; /* get transformed coordinates */
 705         gint ty = y - drawing_area->y;
 706
 707         /* are we over an event marker ? */
 708         for (i = 0; i < tooltips; i++) {
 709                 if (INSIDE_RECT(tooltip_rects[i].rect, tx, ty)) {
 710                         gtk_tooltip_set_text(tooltip,tooltip_rects[i].text);
 711                         return TRUE; /* show tooltip */
 712                 }
 713         }
 714         return FALSE; /* don't show tooltip */
 715 }
 716
 717 static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 718 {
 719         struct dive *dive = current_dive;
 720         struct graphics_context gc = { .printer = 0 };
 721         static cairo_rectangle_int_t drawing_area;
 722
 723         /* the drawing area gives TOTAL width * height - x,y is used as the topx/topy offset
 724          * so effective drawing area is width-2x * height-2y */
 725         drawing_area.width = widget->allocation.width;
 726         drawing_area.height = widget->allocation.height;
 727         drawing_area.x = drawing_area.width / 20.0;
 728         drawing_area.y = drawing_area.height / 20.0;
 729
 730         gc.cr = gdk_cairo_create(widget->window);
 731         g_object_set(widget, "has-tooltip", TRUE, NULL);
 732         g_signal_connect(widget, "query-tooltip", G_CALLBACK(profile_tooltip), &drawing_area);
 733         set_source_rgb(&gc, 0, 0, 0);
 734         cairo_paint(gc.cr);
 735
 736         if (dive) {
 737                 if (tooltip_rects) {
 738                         free(tooltip_rects);
 739                         tooltip_rects = NULL;
 740                 }
 741                 tooltips = 0;
 742                 plot(&gc, &drawing_area, dive);
 743         }
 744         cairo_destroy(gc.cr);
 745
 746         return FALSE;
 747 }
 748
 749 GtkWidget *dive_profile_widget(void)
 750 {
 751         GtkWidget *da;
 752
 753         da = gtk_drawing_area_new();
 754         gtk_widget_set_size_request(da, 350, 250);
 755         g_signal_connect(da, "expose_event", G_CALLBACK(expose_event), NULL);
 756
 757         return da;
 758 }
 759
 760 int process_ui_events(void)
 761 {
 762         int ret=0;
 763
 764         while (gtk_events_pending()) {
 765                 if (gtk_main_iteration_do(0)) {
 766                         ret = 1;
 767                         break;
 768                 }
 769         }
 770         return(ret);
 771 }
 772
 773
 774 static void fill_computer_list(GtkListStore *store)
 775 {
 776         GtkTreeIter iter;
 777         struct device_list *list = device_list;
 778
 779         for (list = device_list ; list->name ; list++) {
 780                 gtk_list_store_append(store, &iter);
 781                 gtk_list_store_set(store, &iter,
 782                         0, list->name,
 783                         1, list->type,
 784                         -1);
 785         }
 786 }
 787
 788 static GtkComboBox *dive_computer_selector(GtkWidget *vbox)
 789 {
 790         GtkWidget *hbox, *combo_box, *frame;
 791         GtkListStore *model;
 792         GtkCellRenderer *renderer;
 793
 794         hbox = gtk_hbox_new(FALSE, 6);
 795         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 796
 797         model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 798         fill_computer_list(model);
 799
 800         frame = gtk_frame_new("Dive computer");
 801         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 802
 803         combo_box = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
 804         gtk_container_add(GTK_CONTAINER(frame), combo_box);
 805
 806         renderer = gtk_cell_renderer_text_new();
 807         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo_box), renderer, TRUE);
 808         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo_box), renderer, "text", 0, NULL);
 809
 810         return GTK_COMBO_BOX(combo_box);
 811 }
 812
 813 static GtkEntry *dive_computer_device(GtkWidget *vbox)
 814 {
 815         GtkWidget *hbox, *entry, *frame;
 816
 817         hbox = gtk_hbox_new(FALSE, 6);
 818         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 819
 820         frame = gtk_frame_new("Device name");
 821         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 822
 823         entry = gtk_entry_new();
 824         gtk_container_add(GTK_CONTAINER(frame), entry);
 825         gtk_entry_set_text(GTK_ENTRY(entry), "/dev/ttyUSB0");
 826
 827         return GTK_ENTRY(entry);
 828 }
 829
 830 void import_dialog(GtkWidget *w, gpointer data)
 831 {
 832         int result;
 833         GtkWidget *dialog, *hbox, *vbox;
 834         GtkComboBox *computer;
 835         GtkEntry *device;
 836         device_data_t devicedata = {
 837                 .devname = NULL,
 838         };
 839
 840         dialog = gtk_dialog_new_with_buttons("Import from dive computer",
 841                 GTK_WINDOW(main_window),
 842                 GTK_DIALOG_DESTROY_WITH_PARENT,
 843                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 844                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 845                 NULL);
 846
 847         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 848
 849         computer = dive_computer_selector(vbox);
 850         device = dive_computer_device(vbox);
 851
 852         hbox = gtk_hbox_new(FALSE, 6);
 853         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 3);
 854         devicedata.progress.bar = gtk_progress_bar_new();
 855         gtk_container_add(GTK_CONTAINER(hbox), devicedata.progress.bar);
 856
 857         gtk_widget_show_all(dialog);
 858         result = gtk_dialog_run(GTK_DIALOG(dialog));
 859         switch (result) {
 860                 int type;
 861                 GtkTreeIter iter;
 862                 GtkTreeModel *model;
 863                 const char *comp;
 864         case GTK_RESPONSE_ACCEPT:
 865                 if (!gtk_combo_box_get_active_iter(computer, &iter))
 866                         break;
 867                 model = gtk_combo_box_get_model(computer);
 868                 gtk_tree_model_get(model, &iter,
 869                         0, &comp,
 870                         1, &type,
 871                         -1);
 872                 devicedata.type = type;
 873                 devicedata.name = comp;
 874                 devicedata.devname = gtk_entry_get_text(device);
 875                 do_import(&devicedata);
 876                 break;
 877         default:
 878                 break;
 879         }
 880         gtk_widget_destroy(dialog);
 881
 882         report_dives();
 883 }
 884
 885 void update_progressbar(progressbar_t *progress, double value)
 886 {
 887         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress->bar), value);
 888 }
 889
 890
 891 void set_filename(const char *filename)
 892 {
 893         if (filename)
 894                 existing_filename = strdup(filename);
 895         return;
 896 }