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 GtkTreeViewColumn *tree_view_column(GtkWidget *tree_view, int index, const char *title,
 209                                 data_func_t data_func, PangoAlignment align, gboolean visible)
 210 {
 211         GtkCellRenderer *renderer;
 212         GtkTreeViewColumn *col;
 213         double xalign = 0.0; /* left as default */
 214
 215         renderer = gtk_cell_renderer_text_new();
 216         col = gtk_tree_view_column_new();
 217
 218         gtk_tree_view_column_set_title(col, title);
 219         gtk_tree_view_column_set_sort_column_id(col, index);
 220         gtk_tree_view_column_set_resizable(col, TRUE);
 221         gtk_tree_view_column_pack_start(col, renderer, TRUE);
 222         if (data_func)
 223                 gtk_tree_view_column_set_cell_data_func(col, renderer, data_func, (void *)(long)index, NULL);
 224         else
 225                 gtk_tree_view_column_add_attribute(col, renderer, "text", index);
 226         gtk_object_set(GTK_OBJECT(renderer), "alignment", align, NULL);
 227         switch (align) {
 228         case PANGO_ALIGN_LEFT:
 229                 xalign = 0.0;
 230                 break;
 231         case PANGO_ALIGN_CENTER:
 232                 xalign = 0.5;
 233                 break;
 234         case PANGO_ALIGN_RIGHT:
 235                 xalign = 1.0;
 236                 break;
 237         }
 238         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), xalign, 0.5);
 239         gtk_tree_view_column_set_visible(col, visible);
 240         gtk_tree_view_append_column(GTK_TREE_VIEW(tree_view), col);
 241         return col;
 242 }
 243
 244 static void create_radio(GtkWidget *vbox, const char *name, ...)
 245 {
 246         va_list args;
 247         GtkRadioButton *group = NULL;
 248         GtkWidget *box, *label;
 249
 250         box = gtk_hbox_new(TRUE, 10);
 251         gtk_box_pack_start(GTK_BOX(vbox), box, FALSE, FALSE, 0);
 252
 253         label = gtk_label_new(name);
 254         gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
 255
 256         va_start(args, name);
 257         for (;;) {
 258                 int enabled;
 259                 const char *name;
 260                 GtkWidget *button;
 261                 void *callback_fn;
 262
 263                 name = va_arg(args, char *);
 264                 if (!name)
 265                         break;
 266                 callback_fn = va_arg(args, void *);
 267                 enabled = va_arg(args, int);
 268
 269                 button = gtk_radio_button_new_with_label_from_widget(group, name);
 270                 group = GTK_RADIO_BUTTON(button);
 271                 gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
 272                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), enabled);
 273                 g_signal_connect(button, "toggled", G_CALLBACK(callback_fn), NULL);
 274         }
 275         va_end(args);
 276 }
 277
 278 #define UNITCALLBACK(name, type, value)                         \
 279 static void name(GtkWidget *w, gpointer data)                   \
 280 {                                                               \
 281         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w))) \
 282                 menu_units.type = value;                        \
 283 }
 284
 285 static struct units menu_units;
 286
 287 UNITCALLBACK(set_meter, length, METERS)
 288 UNITCALLBACK(set_feet, length, FEET)
 289 UNITCALLBACK(set_bar, pressure, BAR)
 290 UNITCALLBACK(set_psi, pressure, PSI)
 291 UNITCALLBACK(set_liter, volume, LITER)
 292 UNITCALLBACK(set_cuft, volume, CUFT)
 293 UNITCALLBACK(set_celsius, temperature, CELSIUS)
 294 UNITCALLBACK(set_fahrenheit, temperature, FAHRENHEIT)
 295
 296 #define OPTIONCALLBACK(name, option) \
 297 static void name(GtkWidget *w, gpointer data) \
 298 { \
 299         option = GTK_TOGGLE_BUTTON(w)->active; \
 300 }
 301
 302 OPTIONCALLBACK(otu_toggle, visible_cols.otu)
 303 OPTIONCALLBACK(sac_toggle, visible_cols.sac)
 304
 305 static void preferences_dialog(GtkWidget *w, gpointer data)
 306 {
 307         int result;
 308         GtkWidget *dialog, *font, *frame, *box, *vbox, *button;
 309
 310         menu_units = output_units;
 311
 312         dialog = gtk_dialog_new_with_buttons("Preferences",
 313                 GTK_WINDOW(main_window),
 314                 GTK_DIALOG_DESTROY_WITH_PARENT,
 315                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 316                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 317                 NULL);
 318
 319         frame = gtk_frame_new("Units");
 320         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 321         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 322
 323         box = gtk_vbox_new(FALSE, 6);
 324         gtk_container_add(GTK_CONTAINER(frame), box);
 325
 326         create_radio(box, "Depth:",
 327                 "Meter", set_meter, (output_units.length == METERS),
 328                 "Feet",  set_feet, (output_units.length == FEET),
 329                 NULL);
 330
 331         create_radio(box, "Pressure:",
 332                 "Bar", set_bar, (output_units.pressure == BAR),
 333                 "PSI",  set_psi, (output_units.pressure == PSI),
 334                 NULL);
 335
 336         create_radio(box, "Volume:",
 337                 "Liter",  set_liter, (output_units.volume == LITER),
 338                 "CuFt", set_cuft, (output_units.volume == CUFT),
 339                 NULL);
 340
 341         create_radio(box, "Temperature:",
 342                 "Celsius", set_celsius, (output_units.temperature == CELSIUS),
 343                 "Fahrenheit",  set_fahrenheit, (output_units.temperature == FAHRENHEIT),
 344                 NULL);
 345
 346         frame = gtk_frame_new("Columns");
 347         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), frame, FALSE, FALSE, 5);
 348
 349         box = gtk_hbox_new(FALSE, 6);
 350         gtk_container_add(GTK_CONTAINER(frame), box);
 351
 352         button = gtk_check_button_new_with_label("Show SAC");
 353         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.sac);
 354         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 355         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(sac_toggle), NULL);
 356
 357         button = gtk_check_button_new_with_label("Show OTU");
 358         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.otu);
 359         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 360         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(otu_toggle), NULL);
 361
 362         font = gtk_font_button_new_with_font(divelist_font);
 363         gtk_box_pack_start(GTK_BOX(vbox), font, FALSE, FALSE, 5);
 364
 365         gtk_widget_show_all(dialog);
 366         result = gtk_dialog_run(GTK_DIALOG(dialog));
 367         if (result == GTK_RESPONSE_ACCEPT) {
 368                 /* Make sure to flush any modified old dive data with old units */
 369                 update_dive(NULL);
 370
 371                 divelist_font = strdup(gtk_font_button_get_font_name(GTK_FONT_BUTTON(font)));
 372                 set_divelist_font(divelist_font);
 373
 374                 output_units = menu_units;
 375                 update_dive_list_units();
 376                 repaint_dive();
 377                 update_dive_list_col_visibility();
 378                 gconf_client_set_bool(gconf, GCONF_NAME(feet), output_units.length == FEET, NULL);
 379                 gconf_client_set_bool(gconf, GCONF_NAME(psi), output_units.pressure == PSI, NULL);
 380                 gconf_client_set_bool(gconf, GCONF_NAME(cuft), output_units.volume == CUFT, NULL);
 381                 gconf_client_set_bool(gconf, GCONF_NAME(fahrenheit), output_units.temperature == FAHRENHEIT, NULL);
 382                 gconf_client_set_bool(gconf, GCONF_NAME(SAC), ! visible_cols.sac, NULL); /* inverted to get the correct default */
 383                 gconf_client_set_bool(gconf, GCONF_NAME(OTU), visible_cols.otu, NULL);
 384                 gconf_client_set_string(gconf, GCONF_NAME(divelist_font), divelist_font, NULL);
 385         }
 386         gtk_widget_destroy(dialog);
 387 }
 388
 389 static void renumber_dialog(GtkWidget *w, gpointer data)
 390 {
 391         int result;
 392         GtkWidget *dialog, *frame, *button, *vbox;
 393
 394         dialog = gtk_dialog_new_with_buttons("Renumber",
 395                 GTK_WINDOW(main_window),
 396                 GTK_DIALOG_DESTROY_WITH_PARENT,
 397                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 398                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 399                 NULL);
 400
 401         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 402
 403         frame = gtk_frame_new("New starting number");
 404         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 405
 406         button = gtk_spin_button_new_with_range(1, 50000, 1);
 407         gtk_container_add(GTK_CONTAINER(frame), button);
 408
 409         gtk_widget_show_all(dialog);
 410         result = gtk_dialog_run(GTK_DIALOG(dialog));
 411         if (result == GTK_RESPONSE_ACCEPT) {
 412                 int nr = gtk_spin_button_get_value(GTK_SPIN_BUTTON(button));
 413                 renumber_dives(nr);
 414                 repaint_dive();
 415         }
 416         gtk_widget_destroy(dialog);
 417 }
 418
 419 static void about_dialog(GtkWidget *w, gpointer data)
 420 {
 421         const char *logo_property = NULL;
 422         GdkPixbuf *logo = NULL;
 423         GtkWidget *image = gtk_image_new_from_file("icon.svg");
 424
 425         if (image) {
 426                 logo = gtk_image_get_pixbuf(GTK_IMAGE(image));
 427                 logo_property = "logo";
 428         }
 429
 430         gtk_show_about_dialog(NULL,
 431                 "program-name", "SubSurface",
 432                 "comments", "Half-arsed divelog software in C",
 433                 "license", "GPLv2",
 434                 "version", VERSION_STRING,
 435                 "copyright", "Linus Torvalds 2011",
 436                 /* Must be last: */
 437                 logo_property, logo,
 438                 NULL);
 439 }
 440
 441 static GtkActionEntry menu_items[] = {
 442         { "FileMenuAction", GTK_STOCK_FILE, "File", NULL, NULL, NULL},
 443         { "LogMenuAction",  GTK_STOCK_FILE, "Log", NULL, NULL, NULL},
 444         { "HelpMenuAction", GTK_STOCK_HELP, "Help", NULL, NULL, NULL},
 445         { "OpenFile",       GTK_STOCK_OPEN, NULL,   "<control>O", NULL, G_CALLBACK(file_open) },
 446         { "SaveFile",       GTK_STOCK_SAVE, NULL,   "<control>S", NULL, G_CALLBACK(file_save) },
 447         { "Print",          GTK_STOCK_PRINT, NULL,  "<control>P", NULL, G_CALLBACK(do_print) },
 448         { "Import",         NULL, "Import", NULL, NULL, G_CALLBACK(import_dialog) },
 449         { "Preferences",    NULL, "Preferences", NULL, NULL, G_CALLBACK(preferences_dialog) },
 450         { "Renumber",       NULL, "Renumber", NULL, NULL, G_CALLBACK(renumber_dialog) },
 451         { "Quit",           GTK_STOCK_QUIT, NULL,   "<control>Q", NULL, G_CALLBACK(quit) },
 452         { "About",           GTK_STOCK_ABOUT, NULL,  NULL, NULL, G_CALLBACK(about_dialog) },
 453 };
 454 static gint nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);
 455
 456 static const gchar* ui_string = " \
 457         <ui> \
 458                 <menubar name=\"MainMenu\"> \
 459                         <menu name=\"FileMenu\" action=\"FileMenuAction\"> \
 460                                 <menuitem name=\"Open\" action=\"OpenFile\" /> \
 461                                 <menuitem name=\"Save\" action=\"SaveFile\" /> \
 462                                 <menuitem name=\"Print\" action=\"Print\" /> \
 463                                 <separator name=\"Separator1\"/> \
 464                                 <menuitem name=\"Import\" action=\"Import\" /> \
 465                                 <separator name=\"Separator2\"/> \
 466                                 <menuitem name=\"Preferences\" action=\"Preferences\" /> \
 467                                 <separator name=\"Separator3\"/> \
 468                                 <menuitem name=\"Quit\" action=\"Quit\" /> \
 469                         </menu> \
 470                         <menu name=\"LogMenu\" action=\"LogMenuAction\"> \
 471                                 <menuitem name=\"Renumber\" action=\"Renumber\" /> \
 472                         </menu> \
 473                         <menu name=\"Help\" action=\"HelpMenuAction\"> \
 474                                 <menuitem name=\"About\" action=\"About\" /> \
 475                         </menu> \
 476                 </menubar> \
 477         </ui> \
 478 ";
 479
 480 static GtkWidget *get_menubar_menu(GtkWidget *window)
 481 {
 482         GtkActionGroup *action_group = gtk_action_group_new("Menu");
 483         gtk_action_group_add_actions(action_group, menu_items, nmenu_items, 0);
 484
 485         GtkUIManager *ui_manager = gtk_ui_manager_new();
 486         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
 487         GError* error = 0;
 488         gtk_ui_manager_add_ui_from_string(GTK_UI_MANAGER(ui_manager), ui_string, -1, &error);
 489
 490         gtk_window_add_accel_group(GTK_WINDOW(window), gtk_ui_manager_get_accel_group(ui_manager));
 491         GtkWidget* menu = gtk_ui_manager_get_widget(ui_manager, "/MainMenu");
 492
 493         return menu;
 494 }
 495
 496 static void switch_page(GtkNotebook *notebook, gint arg1, gpointer user_data)
 497 {
 498         repaint_dive();
 499 }
 500
 501 static const char notebook_group[] = "123";
 502 #define GRP_ID ((void *)notebook_group)
 503 typedef struct {
 504         char *name;
 505         GtkWidget *widget;
 506         GtkWidget *box;
 507         gulong delete_handler;
 508         gulong destroy_handler;
 509 } notebook_data_t;
 510
 511 static notebook_data_t nbd[2]; /* we rip at most two notebook pages off */
 512
 513 static GtkNotebook *create_new_notebook_window(GtkNotebook *source,
 514                 GtkWidget *page,
 515                 gint x, gint y, gpointer data)
 516 {
 517         GtkWidget *win, *notebook, *vbox;
 518         notebook_data_t *nbdp;
 519
 520         /* pick the right notebook page data and return if both are detached */
 521         if (nbd[0].widget == NULL)
 522                 nbdp = nbd;
 523         else if (nbd[1].widget == NULL)
 524                 nbdp = nbd + 1;
 525         else
 526                 return NULL;
 527
 528         nbdp->name = strdup(gtk_widget_get_name(page));
 529         nbdp->widget = win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 530         gtk_window_set_title(GTK_WINDOW(win), nbdp->name);
 531         gtk_window_move(GTK_WINDOW(win), x, y);
 532
 533         /* Destroying the dive list will kill the application */
 534         nbdp->delete_handler = g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 535         nbdp->destroy_handler = g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 536
 537         nbdp->box = vbox = gtk_vbox_new(FALSE, 0);
 538         gtk_container_add(GTK_CONTAINER(win), vbox);
 539
 540         notebook = gtk_notebook_new();
 541         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 542         gtk_widget_set_name(notebook, nbdp->name);
 543         /* disallow drop events */
 544         gtk_drag_dest_set(notebook, 0, NULL, 0, 0);
 545         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 6);
 546         gtk_widget_set_size_request(notebook, 450, 350);
 547
 548         gtk_widget_show_all(win);
 549         return GTK_NOTEBOOK(notebook);
 550 }
 551
 552 static void drag_cb(GtkWidget *widget, GdkDragContext *context,
 553         gint x, gint y, guint time,
 554         gpointer user_data)
 555 {
 556         GtkWidget *source;
 557         notebook_data_t *nbdp;
 558
 559         source = gtk_drag_get_source_widget(context);
 560         if (nbd[0].name && ! strcmp(nbd[0].name,gtk_widget_get_name(source)))
 561                 nbdp = nbd;
 562         else if (nbd[1].name && ! strcmp(nbd[1].name,gtk_widget_get_name(source)))
 563                 nbdp = nbd + 1;
 564         else
 565                 /* HU? */
 566                 return;
 567
 568         gtk_drag_finish(context, TRUE, TRUE, time);
 569
 570         /* we no longer need the widget - but getting rid of this is hard;
 571          * remove the signal handler, remove the notebook from the box
 572          * then destroy the widget (and clear out our data structure) */
 573         g_signal_handler_disconnect(nbdp->widget,nbdp->delete_handler);
 574         g_signal_handler_disconnect(nbdp->widget,nbdp->destroy_handler);
 575         gtk_container_remove(GTK_CONTAINER(nbdp->box), source);
 576         gtk_widget_destroy(nbdp->widget);
 577         nbdp->widget = NULL;
 578         free(nbdp->name);
 579         nbdp->name = NULL;
 580 }
 581
 582 void init_ui(int argc, char **argv)
 583 {
 584         GtkWidget *win;
 585         GtkWidget *notebook;
 586         GtkWidget *dive_info;
 587         GtkWidget *dive_list;
 588         GtkWidget *equipment;
 589         GtkWidget *menubar;
 590         GtkWidget *vbox;
 591         GtkSettings *settings;
 592         static const GtkTargetEntry notebook_target = {
 593                 "GTK_NOTEBOOK_TAB", GTK_TARGET_SAME_APP, 0
 594         };
 595
 596         gtk_init(&argc, &argv);
 597         settings = gtk_settings_get_default();
 598         gtk_settings_set_long_property(settings, "gtk_tooltip_timeout", 10, "subsurface setting");
 599
 600         g_type_init();
 601         gconf = gconf_client_get_default();
 602
 603         if (gconf_client_get_bool(gconf, GCONF_NAME(feet), NULL))
 604                 output_units.length = FEET;
 605         if (gconf_client_get_bool(gconf, GCONF_NAME(psi), NULL))
 606                 output_units.pressure = PSI;
 607         if (gconf_client_get_bool(gconf, GCONF_NAME(cuft), NULL))
 608                 output_units.volume = CUFT;
 609         if (gconf_client_get_bool(gconf, GCONF_NAME(fahrenheit), NULL))
 610                 output_units.temperature = FAHRENHEIT;
 611         /* an unset key is FALSE - so in order to get the default behavior right we
 612            invert the meaning of the SAC key */
 613         visible_cols.otu = gconf_client_get_bool(gconf, GCONF_NAME(OTU), NULL);
 614         visible_cols.sac = ! gconf_client_get_bool(gconf, GCONF_NAME(SAC), NULL);
 615
 616         divelist_font = gconf_client_get_string(gconf, GCONF_NAME(divelist_font), NULL);
 617         if (!divelist_font)
 618                 divelist_font = DIVELIST_DEFAULT_FONT;
 619
 620         error_info_bar = NULL;
 621         win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 622         gtk_window_set_icon_from_file(GTK_WINDOW(win), "icon.svg", NULL);
 623         g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 624         g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 625         main_window = win;
 626
 627         vbox = gtk_vbox_new(FALSE, 0);
 628         gtk_container_add(GTK_CONTAINER(win), vbox);
 629         main_vbox = vbox;
 630
 631         menubar = get_menubar_menu(win);
 632         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
 633
 634         /* Notebook for dive info vs profile vs .. */
 635         notebook = gtk_notebook_new();
 636         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 6);
 637         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 638         g_signal_connect(notebook, "create-window", G_CALLBACK(create_new_notebook_window), NULL);
 639         gtk_drag_dest_set(notebook, GTK_DEST_DEFAULT_ALL, &notebook_target, 1, GDK_ACTION_MOVE);
 640         g_signal_connect(notebook, "drag-drop", G_CALLBACK(drag_cb), notebook);
 641         g_signal_connect(notebook, "switch-page", G_CALLBACK(switch_page), NULL);
 642
 643         /* Create the actual divelist */
 644         dive_list = dive_list_create();
 645         gtk_widget_set_name(dive_list, "Dive List");
 646         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_list, gtk_label_new("Dive List"));
 647         gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(notebook), dive_list, 1);
 648         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(notebook), dive_list, 1);
 649
 650         /* Frame for dive profile */
 651         dive_profile = dive_profile_widget();
 652         gtk_widget_set_name(dive_profile, "Dive Profile");
 653         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_profile, gtk_label_new("Dive Profile"));
 654         gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(notebook), dive_profile, 1);
 655         gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(notebook), dive_profile, 1);
 656
 657         /* Frame for extended dive info */
 658         dive_info = extended_dive_info_widget();
 659         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_info, gtk_label_new("Dive Notes"));
 660
 661         /* Frame for dive equipment */
 662         equipment = equipment_widget();
 663         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), equipment, gtk_label_new("Equipment"));
 664
 665         gtk_widget_set_app_paintable(win, TRUE);
 666         gtk_widget_show_all(win);
 667
 668         return;
 669 }
 670
 671 void run_ui(void)
 672 {
 673         gtk_main();
 674 }
 675
 676 typedef struct {
 677         cairo_rectangle_int_t rect;
 678         const char *text;
 679 } tooltip_record_t;
 680
 681 static tooltip_record_t *tooltip_rects;
 682 static int tooltips;
 683
 684 void attach_tooltip(int x, int y, int w, int h, const char *text)
 685 {
 686         cairo_rectangle_int_t *rect;
 687         tooltip_rects = realloc(tooltip_rects, (tooltips + 1) * sizeof(tooltip_record_t));
 688         rect = &tooltip_rects[tooltips].rect;
 689         rect->x = x;
 690         rect->y = y;
 691         rect->width = w;
 692         rect->height = h;
 693         tooltip_rects[tooltips].text = text;
 694         tooltips++;
 695 }
 696
 697 #define INSIDE_RECT(_r,_x,_y)   ((_r.x <= _x) && (_r.x + _r.width >= _x) && \
 698                                 (_r.y <= _y) && (_r.y + _r.height >= _y))
 699
 700 static gboolean profile_tooltip (GtkWidget *widget, gint x, gint y,
 701                         gboolean keyboard_mode, GtkTooltip *tooltip, gpointer user_data)
 702 {
 703         int i;
 704         cairo_rectangle_int_t *drawing_area = user_data;
 705         gint tx = x - drawing_area->x; /* get transformed coordinates */
 706         gint ty = y - drawing_area->y;
 707
 708         /* are we over an event marker ? */
 709         for (i = 0; i < tooltips; i++) {
 710                 if (INSIDE_RECT(tooltip_rects[i].rect, tx, ty)) {
 711                         gtk_tooltip_set_text(tooltip,tooltip_rects[i].text);
 712                         return TRUE; /* show tooltip */
 713                 }
 714         }
 715         return FALSE; /* don't show tooltip */
 716 }
 717
 718 static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 719 {
 720         struct dive *dive = current_dive;
 721         struct graphics_context gc = { .printer = 0 };
 722         static cairo_rectangle_int_t drawing_area;
 723
 724         /* the drawing area gives TOTAL width * height - x,y is used as the topx/topy offset
 725          * so effective drawing area is width-2x * height-2y */
 726         drawing_area.width = widget->allocation.width;
 727         drawing_area.height = widget->allocation.height;
 728         drawing_area.x = drawing_area.width / 20.0;
 729         drawing_area.y = drawing_area.height / 20.0;
 730
 731         gc.cr = gdk_cairo_create(widget->window);
 732         g_object_set(widget, "has-tooltip", TRUE, NULL);
 733         g_signal_connect(widget, "query-tooltip", G_CALLBACK(profile_tooltip), &drawing_area);
 734         set_source_rgb(&gc, 0, 0, 0);
 735         cairo_paint(gc.cr);
 736
 737         if (dive) {
 738                 if (tooltip_rects) {
 739                         free(tooltip_rects);
 740                         tooltip_rects = NULL;
 741                 }
 742                 tooltips = 0;
 743                 plot(&gc, &drawing_area, dive);
 744         }
 745         cairo_destroy(gc.cr);
 746
 747         return FALSE;
 748 }
 749
 750 GtkWidget *dive_profile_widget(void)
 751 {
 752         GtkWidget *da;
 753
 754         da = gtk_drawing_area_new();
 755         gtk_widget_set_size_request(da, 350, 250);
 756         g_signal_connect(da, "expose_event", G_CALLBACK(expose_event), NULL);
 757
 758         return da;
 759 }
 760
 761 int process_ui_events(void)
 762 {
 763         int ret=0;
 764
 765         while (gtk_events_pending()) {
 766                 if (gtk_main_iteration_do(0)) {
 767                         ret = 1;
 768                         break;
 769                 }
 770         }
 771         return(ret);
 772 }
 773
 774
 775 static void fill_computer_list(GtkListStore *store)
 776 {
 777         GtkTreeIter iter;
 778         struct device_list *list = device_list;
 779
 780         for (list = device_list ; list->name ; list++) {
 781                 gtk_list_store_append(store, &iter);
 782                 gtk_list_store_set(store, &iter,
 783                         0, list->name,
 784                         1, list->type,
 785                         -1);
 786         }
 787 }
 788
 789 static GtkComboBox *dive_computer_selector(GtkWidget *vbox)
 790 {
 791         GtkWidget *hbox, *combo_box, *frame;
 792         GtkListStore *model;
 793         GtkCellRenderer *renderer;
 794
 795         hbox = gtk_hbox_new(FALSE, 6);
 796         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 797
 798         model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 799         fill_computer_list(model);
 800
 801         frame = gtk_frame_new("Dive computer");
 802         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 803
 804         combo_box = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
 805         gtk_container_add(GTK_CONTAINER(frame), combo_box);
 806
 807         renderer = gtk_cell_renderer_text_new();
 808         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo_box), renderer, TRUE);
 809         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo_box), renderer, "text", 0, NULL);
 810
 811         return GTK_COMBO_BOX(combo_box);
 812 }
 813
 814 static GtkEntry *dive_computer_device(GtkWidget *vbox)
 815 {
 816         GtkWidget *hbox, *entry, *frame;
 817
 818         hbox = gtk_hbox_new(FALSE, 6);
 819         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
 820
 821         frame = gtk_frame_new("Device name");
 822         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
 823
 824         entry = gtk_entry_new();
 825         gtk_container_add(GTK_CONTAINER(frame), entry);
 826         gtk_entry_set_text(GTK_ENTRY(entry), "/dev/ttyUSB0");
 827
 828         return GTK_ENTRY(entry);
 829 }
 830
 831 void import_dialog(GtkWidget *w, gpointer data)
 832 {
 833         int result;
 834         GtkWidget *dialog, *hbox, *vbox;
 835         GtkComboBox *computer;
 836         GtkEntry *device;
 837         device_data_t devicedata = {
 838                 .devname = NULL,
 839         };
 840
 841         dialog = gtk_dialog_new_with_buttons("Import from dive computer",
 842                 GTK_WINDOW(main_window),
 843                 GTK_DIALOG_DESTROY_WITH_PARENT,
 844                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 845                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 846                 NULL);
 847
 848         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 849
 850         computer = dive_computer_selector(vbox);
 851         device = dive_computer_device(vbox);
 852
 853         hbox = gtk_hbox_new(FALSE, 6);
 854         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 3);
 855         devicedata.progress.bar = gtk_progress_bar_new();
 856         gtk_container_add(GTK_CONTAINER(hbox), devicedata.progress.bar);
 857
 858         gtk_widget_show_all(dialog);
 859         result = gtk_dialog_run(GTK_DIALOG(dialog));
 860         switch (result) {
 861                 int type;
 862                 GtkTreeIter iter;
 863                 GtkTreeModel *model;
 864                 const char *comp;
 865         case GTK_RESPONSE_ACCEPT:
 866                 if (!gtk_combo_box_get_active_iter(computer, &iter))
 867                         break;
 868                 model = gtk_combo_box_get_model(computer);
 869                 gtk_tree_model_get(model, &iter,
 870                         0, &comp,
 871                         1, &type,
 872                         -1);
 873                 devicedata.type = type;
 874                 devicedata.name = comp;
 875                 devicedata.devname = gtk_entry_get_text(device);
 876                 do_import(&devicedata);
 877                 break;
 878         default:
 879                 break;
 880         }
 881         gtk_widget_destroy(dialog);
 882
 883         report_dives();
 884         dive_list_update_dives();
 885 }
 886
 887 void update_progressbar(progressbar_t *progress, double value)
 888 {
 889         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress->bar), value);
 890 }
 891
 892
 893 void set_filename(const char *filename)
 894 {
 895         if (filename)
 896                 existing_filename = strdup(filename);
 897         return;
 898 }