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 #if defined __linux__
  12 #include <gconf/gconf-client.h>
  13 #elif defined WIN32
  14 #include <windows.h>
  15 #elif defined __APPLE__
  16 #include <CoreFoundation/CoreFoundation.h>
  17 static CFURLRef fileURL;
  18 #endif
  19
  20 #include "dive.h"
  21 #include "divelist.h"
  22 #include "display.h"
  23 #include "display-gtk.h"
  24
  25 #include "libdivecomputer.h"
  26
  27 GtkWidget *main_window;
  28 GtkWidget *main_vbox;
  29 GtkWidget *error_info_bar;
  30 GtkWidget *error_label;
  31 int        error_count;
  32
  33 #define DIVELIST_DEFAULT_FONT "Sans 8"
  34 const char *divelist_font;
  35
  36 #ifdef __linux__
  37 GConfClient *gconf;
  38 #define GCONF_NAME(x) "/apps/subsurface/" #x
  39 #endif
  40
  41 struct units output_units;
  42
  43 static GtkWidget *dive_profile;
  44
  45 visible_cols_t visible_cols = {TRUE, FALSE};
  46
  47 void repaint_dive(void)
  48 {
  49         update_dive(current_dive);
  50         if (dive_profile)
  51                 gtk_widget_queue_draw(dive_profile);
  52 }
  53
  54 static char *existing_filename;
  55 static gboolean need_icon = TRUE;
  56
  57 static void on_info_bar_response(GtkWidget *widget, gint response,
  58                                  gpointer data)
  59 {
  60         if (response == GTK_RESPONSE_OK)
  61         {
  62                 gtk_widget_destroy(widget);
  63                 error_info_bar = NULL;
  64         }
  65 }
  66
  67 void report_error(GError* error)
  68 {
  69         if (error == NULL)
  70         {
  71                 return;
  72         }
  73
  74         if (error_info_bar == NULL)
  75         {
  76                 error_count = 1;
  77                 error_info_bar = gtk_info_bar_new_with_buttons(GTK_STOCK_OK,
  78                                                                GTK_RESPONSE_OK,
  79                                                                NULL);
  80                 g_signal_connect(error_info_bar, "response", G_CALLBACK(on_info_bar_response), NULL);
  81                 gtk_info_bar_set_message_type(GTK_INFO_BAR(error_info_bar),
  82                                               GTK_MESSAGE_ERROR);
  83
  84                 error_label = gtk_label_new(error->message);
  85                 GtkWidget *container = gtk_info_bar_get_content_area(GTK_INFO_BAR(error_info_bar));
  86                 gtk_container_add(GTK_CONTAINER(container), error_label);
  87
  88                 gtk_box_pack_start(GTK_BOX(main_vbox), error_info_bar, FALSE, FALSE, 0);
  89                 gtk_widget_show_all(main_vbox);
  90         }
  91         else
  92         {
  93                 error_count++;
  94                 char buffer[256];
  95                 snprintf(buffer, sizeof(buffer), "Failed to open %i files.", error_count);
  96                 gtk_label_set(GTK_LABEL(error_label), buffer);
  97         }
  98 }
  99
 100 static void file_open(GtkWidget *w, gpointer data)
 101 {
 102         GtkWidget *dialog;
 103         GtkFileFilter *filter;
 104
 105         dialog = gtk_file_chooser_dialog_new("Open File",
 106                 GTK_WINDOW(main_window),
 107                 GTK_FILE_CHOOSER_ACTION_OPEN,
 108                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 109                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 110                 NULL);
 111         gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
 112
 113         filter = gtk_file_filter_new();
 114         gtk_file_filter_add_pattern(filter, "*.xml");
 115         gtk_file_filter_add_pattern(filter, "*.XML");
 116         gtk_file_filter_add_pattern(filter, "*.sda");
 117         gtk_file_filter_add_pattern(filter, "*.SDA");
 118         gtk_file_filter_add_mime_type(filter, "text/xml");
 119         gtk_file_filter_set_name(filter, "XML file");
 120         gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
 121
 122         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 123                 GSList *filenames;
 124                 char *filename;
 125                 filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
 126
 127                 GError *error = NULL;
 128                 while(filenames != NULL) {
 129                         filename = filenames->data;
 130                         parse_xml_file(filename, &error);
 131                         if (error != NULL)
 132                         {
 133                                 report_error(error);
 134                                 g_error_free(error);
 135                                 error = NULL;
 136                         }
 137
 138                         g_free(filename);
 139                         filenames = g_slist_next(filenames);
 140                 }
 141                 g_slist_free(filenames);
 142                 report_dives(FALSE);
 143         }
 144         gtk_widget_destroy(dialog);
 145 }
 146
 147 static void file_save(GtkWidget *w, gpointer data)
 148 {
 149         GtkWidget *dialog;
 150         dialog = gtk_file_chooser_dialog_new("Save File",
 151                 GTK_WINDOW(main_window),
 152                 GTK_FILE_CHOOSER_ACTION_SAVE,
 153                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 154                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 155                 NULL);
 156         gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
 157         if (!existing_filename) {
 158                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "Untitled document");
 159         } else
 160                 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), existing_filename);
 161
 162         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 163                 char *filename;
 164                 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 165                 save_dives(filename);
 166                 g_free(filename);
 167                 mark_divelist_changed(FALSE);
 168         }
 169         gtk_widget_destroy(dialog);
 170 }
 171
 172 static void ask_save_changes()
 173 {
 174         GtkWidget *dialog, *label, *content;
 175         dialog = gtk_dialog_new_with_buttons("Save Changes?",
 176                 GTK_WINDOW(main_window), GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 177                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 178                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 179                 NULL);
 180         content = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
 181         label = gtk_label_new ("You have unsaved changes\nWould you like to save those before exiting the program?");
 182         gtk_container_add (GTK_CONTAINER (content), label);
 183         gtk_widget_show_all (dialog);
 184         gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
 185         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 186                 file_save(NULL,NULL);
 187         }
 188         gtk_widget_destroy(dialog);
 189 }
 190
 191 static gboolean on_delete(GtkWidget* w, gpointer data)
 192 {
 193         /* Make sure to flush any modified dive data */
 194         update_dive(NULL);
 195
 196         if (unsaved_changes())
 197                 ask_save_changes();
 198
 199         return FALSE; /* go ahead, kill the program, we're good now */
 200 }
 201
 202 static void on_destroy(GtkWidget* w, gpointer data)
 203 {
 204         gtk_main_quit();
 205 }
 206
 207 static void quit(GtkWidget *w, gpointer data)
 208 {
 209         /* Make sure to flush any modified dive data */
 210         update_dive(NULL);
 211
 212         if (unsaved_changes())
 213                 ask_save_changes();
 214         gtk_main_quit();
 215 }
 216
 217 GtkTreeViewColumn *tree_view_column(GtkWidget *tree_view, int index, const char *title,
 218                                 data_func_t data_func, PangoAlignment align, gboolean visible)
 219 {
 220         GtkCellRenderer *renderer;
 221         GtkTreeViewColumn *col;
 222         double xalign = 0.0; /* left as default */
 223
 224         renderer = gtk_cell_renderer_text_new();
 225         col = gtk_tree_view_column_new();
 226
 227         gtk_tree_view_column_set_title(col, title);
 228         gtk_tree_view_column_set_sort_column_id(col, index);
 229         gtk_tree_view_column_set_resizable(col, TRUE);
 230         gtk_tree_view_column_pack_start(col, renderer, TRUE);
 231         if (data_func)
 232                 gtk_tree_view_column_set_cell_data_func(col, renderer, data_func, (void *)(long)index, NULL);
 233         else
 234                 gtk_tree_view_column_add_attribute(col, renderer, "text", index);
 235         gtk_object_set(GTK_OBJECT(renderer), "alignment", align, NULL);
 236         switch (align) {
 237         case PANGO_ALIGN_LEFT:
 238                 xalign = 0.0;
 239                 break;
 240         case PANGO_ALIGN_CENTER:
 241                 xalign = 0.5;
 242                 break;
 243         case PANGO_ALIGN_RIGHT:
 244                 xalign = 1.0;
 245                 break;
 246         }
 247         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), xalign, 0.5);
 248         gtk_tree_view_column_set_visible(col, visible);
 249         gtk_tree_view_append_column(GTK_TREE_VIEW(tree_view), col);
 250         return col;
 251 }
 252
 253 static void create_radio(GtkWidget *vbox, const char *name, ...)
 254 {
 255         va_list args;
 256         GtkRadioButton *group = NULL;
 257         GtkWidget *box, *label;
 258
 259         box = gtk_hbox_new(TRUE, 10);
 260         gtk_box_pack_start(GTK_BOX(vbox), box, FALSE, FALSE, 0);
 261
 262         label = gtk_label_new(name);
 263         gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
 264
 265         va_start(args, name);
 266         for (;;) {
 267                 int enabled;
 268                 const char *name;
 269                 GtkWidget *button;
 270                 void *callback_fn;
 271
 272                 name = va_arg(args, char *);
 273                 if (!name)
 274                         break;
 275                 callback_fn = va_arg(args, void *);
 276                 enabled = va_arg(args, int);
 277
 278                 button = gtk_radio_button_new_with_label_from_widget(group, name);
 279                 group = GTK_RADIO_BUTTON(button);
 280                 gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
 281                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), enabled);
 282                 g_signal_connect(button, "toggled", G_CALLBACK(callback_fn), NULL);
 283         }
 284         va_end(args);
 285 }
 286
 287 #define UNITCALLBACK(name, type, value)                         \
 288 static void name(GtkWidget *w, gpointer data)                   \
 289 {                                                               \
 290         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w))) \
 291                 menu_units.type = value;                        \
 292 }
 293
 294 static struct units menu_units;
 295
 296 UNITCALLBACK(set_meter, length, METERS)
 297 UNITCALLBACK(set_feet, length, FEET)
 298 UNITCALLBACK(set_bar, pressure, BAR)
 299 UNITCALLBACK(set_psi, pressure, PSI)
 300 UNITCALLBACK(set_liter, volume, LITER)
 301 UNITCALLBACK(set_cuft, volume, CUFT)
 302 UNITCALLBACK(set_celsius, temperature, CELSIUS)
 303 UNITCALLBACK(set_fahrenheit, temperature, FAHRENHEIT)
 304
 305 #define OPTIONCALLBACK(name, option) \
 306 static void name(GtkWidget *w, gpointer data) \
 307 { \
 308         option = GTK_TOGGLE_BUTTON(w)->active; \
 309 }
 310
 311 OPTIONCALLBACK(otu_toggle, visible_cols.otu)
 312 OPTIONCALLBACK(sac_toggle, visible_cols.sac)
 313 OPTIONCALLBACK(nitrox_toggle, visible_cols.nitrox)
 314 OPTIONCALLBACK(temperature_toggle, visible_cols.temperature)
 315 OPTIONCALLBACK(cylinder_toggle, visible_cols.cylinder)
 316
 317 static void event_toggle(GtkWidget *w, gpointer _data)
 318 {
 319         gboolean *plot_ev = _data;
 320
 321         *plot_ev = GTK_TOGGLE_BUTTON(w)->active;
 322 }
 323
 324 static void preferences_dialog(GtkWidget *w, gpointer data)
 325 {
 326         int result;
 327         GtkWidget *dialog, *font, *frame, *box, *vbox, *button;
 328
 329         menu_units = output_units;
 330
 331         dialog = gtk_dialog_new_with_buttons("Preferences",
 332                 GTK_WINDOW(main_window),
 333                 GTK_DIALOG_DESTROY_WITH_PARENT,
 334                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 335                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 336                 NULL);
 337
 338         frame = gtk_frame_new("Units");
 339         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 340         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 341
 342         box = gtk_vbox_new(FALSE, 6);
 343         gtk_container_add(GTK_CONTAINER(frame), box);
 344
 345         create_radio(box, "Depth:",
 346                 "Meter", set_meter, (output_units.length == METERS),
 347                 "Feet",  set_feet, (output_units.length == FEET),
 348                 NULL);
 349
 350         create_radio(box, "Pressure:",
 351                 "Bar", set_bar, (output_units.pressure == BAR),
 352                 "PSI",  set_psi, (output_units.pressure == PSI),
 353                 NULL);
 354
 355         create_radio(box, "Volume:",
 356                 "Liter",  set_liter, (output_units.volume == LITER),
 357                 "CuFt", set_cuft, (output_units.volume == CUFT),
 358                 NULL);
 359
 360         create_radio(box, "Temperature:",
 361                 "Celsius", set_celsius, (output_units.temperature == CELSIUS),
 362                 "Fahrenheit",  set_fahrenheit, (output_units.temperature == FAHRENHEIT),
 363                 NULL);
 364
 365         frame = gtk_frame_new("Columns");
 366         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), frame, FALSE, FALSE, 5);
 367
 368         box = gtk_hbox_new(FALSE, 6);
 369         gtk_container_add(GTK_CONTAINER(frame), box);
 370
 371         button = gtk_check_button_new_with_label("Show Temp");
 372         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.temperature);
 373         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 374         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(temperature_toggle), NULL);
 375
 376         button = gtk_check_button_new_with_label("Show Cyl");
 377         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.cylinder);
 378         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 379         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(cylinder_toggle), NULL);
 380
 381         button = gtk_check_button_new_with_label("Show O" UTF8_SUBSCRIPT_2 "%");
 382         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.nitrox);
 383         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 384         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(nitrox_toggle), NULL);
 385
 386         button = gtk_check_button_new_with_label("Show SAC");
 387         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.sac);
 388         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 389         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(sac_toggle), NULL);
 390
 391         button = gtk_check_button_new_with_label("Show OTU");
 392         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), visible_cols.otu);
 393         gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 394         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(otu_toggle), NULL);
 395
 396         font = gtk_font_button_new_with_font(divelist_font);
 397         gtk_box_pack_start(GTK_BOX(vbox), font, FALSE, FALSE, 5);
 398
 399         gtk_widget_show_all(dialog);
 400         result = gtk_dialog_run(GTK_DIALOG(dialog));
 401         if (result == GTK_RESPONSE_ACCEPT) {
 402                 /* Make sure to flush any modified old dive data with old units */
 403                 update_dive(NULL);
 404
 405                 divelist_font = strdup(gtk_font_button_get_font_name(GTK_FONT_BUTTON(font)));
 406                 set_divelist_font(divelist_font);
 407
 408                 output_units = menu_units;
 409                 update_dive_list_units();
 410                 repaint_dive();
 411                 update_dive_list_col_visibility();
 412 #ifdef __linux__
 413                 gconf_client_set_bool(gconf, GCONF_NAME(feet), output_units.length == FEET, NULL);
 414                 gconf_client_set_bool(gconf, GCONF_NAME(psi), output_units.pressure == PSI, NULL);
 415                 gconf_client_set_bool(gconf, GCONF_NAME(cuft), output_units.volume == CUFT, NULL);
 416                 gconf_client_set_bool(gconf, GCONF_NAME(fahrenheit), output_units.temperature == FAHRENHEIT, NULL);
 417                 gconf_client_set_bool(gconf, GCONF_NAME(TEMPERATURE), visible_cols.temperature, NULL);
 418                 gconf_client_set_bool(gconf, GCONF_NAME(CYLINDER), visible_cols.cylinder, NULL);
 419                 gconf_client_set_bool(gconf, GCONF_NAME(NITROX), visible_cols.nitrox, NULL);
 420                 gconf_client_set_bool(gconf, GCONF_NAME(SAC), visible_cols.sac, NULL);
 421                 gconf_client_set_bool(gconf, GCONF_NAME(OTU), visible_cols.otu, NULL);
 422                 gconf_client_set_string(gconf, GCONF_NAME(divelist_font), divelist_font, NULL);
 423 #elif defined __APPLE__
 424 #define STRING_BOOL(_cond) (_cond) ? CFSTR("1") : CFSTR("0")
 425
 426                 CFPropertyListRef propertyList;
 427                 CFMutableDictionaryRef dict;
 428                 CFDataRef xmlData;
 429                 CFStringRef cf_divelist_font;
 430                 Boolean status;
 431                 SInt32 errorCode;
 432
 433                 dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks,
 434                                                 &kCFTypeDictionaryValueCallBacks);
 435                 CFDictionarySetValue(dict, CFSTR("feet"), STRING_BOOL(output_units.length == FEET));
 436                 CFDictionarySetValue(dict, CFSTR("psi"), STRING_BOOL(output_units.pressure == PSI));
 437                 CFDictionarySetValue(dict, CFSTR("cuft"), STRING_BOOL(output_units.volume == CUFT));
 438                 CFDictionarySetValue(dict, CFSTR("fahrenheit"), STRING_BOOL(output_units.temperature == FAHRENHEIT));
 439                 CFDictionarySetValue(dict, CFSTR("TEMPERATURE"), STRING_BOOL(visible_cols.temperature));
 440                 CFDictionarySetValue(dict, CFSTR("CYLINDER"), STRING_BOOL(visible_cols.cylinder));
 441                 CFDictionarySetValue(dict, CFSTR("NITROX"), STRING_BOOL(visible_cols.nitrox));
 442                 CFDictionarySetValue(dict, CFSTR("SAC"), STRING_BOOL(visible_cols.sac));
 443                 CFDictionarySetValue(dict, CFSTR("OTU"), STRING_BOOL(visible_cols.otu));
 444                 cf_divelist_font = CFStringCreateWithCString(kCFAllocatorDefault, divelist_font, 1);
 445                 CFDictionarySetValue(dict, CFSTR("divelist_font"), cf_divelist_font);
 446                 propertyList = dict;
 447                 xmlData = CFPropertyListCreateXMLData(kCFAllocatorDefault, propertyList);
 448                 status = CFURLWriteDataAndPropertiesToResource (fileURL, xmlData, NULL, &errorCode);
 449                 // some error handling
 450                 CFRelease(xmlData);
 451                 CFRelease(propertyList);
 452 #elif defined WIN32
 453                 HKEY hkey;
 454                 LONG success = RegCreateKeyEx(HKEY_CURRENT_USER, TEXT("Software\\subsurface"),
 455                                         0L, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS,
 456                                         NULL, &hkey, NULL);
 457                 if (success != ERROR_SUCCESS)
 458                         printf("CreateKey Software\\subsurface failed %ld\n", success);
 459                 DWORD value;
 460
 461 #define StoreInReg(_key, _val) { \
 462                         value = (_val) ;                                \
 463                         RegSetValueEx(hkey, TEXT(_key), 0, REG_DWORD, &value, 4); \
 464                 }
 465
 466                 StoreInReg("feet", output_units.length == FEET);
 467                 StoreInReg("psi",  output_units.pressure == PSI);
 468                 StoreInReg("cuft", output_units.volume == CUFT);
 469                 StoreInReg("fahrenheit", output_units.temperature == FAHRENHEIT);
 470                 StoreInReg("temperature", visible_cols.temperature);
 471                 StoreInReg("cylinder", visible_cols.cylinder);
 472                 StoreInReg("nitrox", visible_cols.nitrox);
 473                 StoreInReg("sac", visible_cols.sac);
 474                 StoreInReg("otu", visible_cols.otu);
 475                 RegSetValueEx(hkey, TEXT("divelist_font"), 0, REG_SZ, divelist_font, strlen(divelist_font));
 476                 if (RegFlushKey(hkey) != ERROR_SUCCESS)
 477                         printf("RegFlushKey failed %ld\n");
 478                 RegCloseKey(hkey);
 479 #endif
 480         }
 481         gtk_widget_destroy(dialog);
 482 }
 483
 484 static void create_toggle(const char* label, int *on, void *_data)
 485 {
 486         GtkWidget *button, *table = _data;
 487         int rows, cols, x, y;
 488         static int count;
 489
 490         if (table == NULL) {
 491                 /* magic way to reset the number of toggle buttons
 492                  * that we have already added - call this before you
 493                  * create the dialog */
 494                 count = 0;
 495                 return;
 496         }
 497         g_object_get(G_OBJECT(table), "n-columns", &cols, "n-rows", &rows, NULL);
 498         if (count > rows * cols) {
 499                 gtk_table_resize(GTK_TABLE(table),rows+1,cols);
 500                 rows++;
 501         }
 502         x = count % cols;
 503         y = count / cols;
 504         button = gtk_check_button_new_with_label(label);
 505         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), *on);
 506         gtk_table_attach_defaults(GTK_TABLE(table), button, x, x+1, y, y+1);
 507         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(event_toggle), on);
 508         count++;
 509 }
 510
 511 static void selectevents_dialog(GtkWidget *w, gpointer data)
 512 {
 513         int result;
 514         GtkWidget *dialog, *frame, *vbox, *table;
 515
 516         dialog = gtk_dialog_new_with_buttons("SelectEvents",
 517                 GTK_WINDOW(main_window),
 518                 GTK_DIALOG_DESTROY_WITH_PARENT,
 519                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 520                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 521                 NULL);
 522         /* initialize the function that fills the table */
 523         create_toggle(NULL, NULL, NULL);
 524
 525         frame = gtk_frame_new("Enable / Disable Events");
 526         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 527         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 528
 529         table = gtk_table_new(1, 4, TRUE);
 530         gtk_container_add(GTK_CONTAINER(frame), table);
 531
 532         evn_foreach(&create_toggle, table);
 533
 534         gtk_widget_show_all(dialog);
 535         result = gtk_dialog_run(GTK_DIALOG(dialog));
 536         if (result == GTK_RESPONSE_ACCEPT) {
 537                 repaint_dive();
 538         }
 539         gtk_widget_destroy(dialog);
 540 }
 541
 542 static void renumber_dialog(GtkWidget *w, gpointer data)
 543 {
 544         int result;
 545         struct dive *dive;
 546         GtkWidget *dialog, *frame, *button, *vbox;
 547
 548         dialog = gtk_dialog_new_with_buttons("Renumber",
 549                 GTK_WINDOW(main_window),
 550                 GTK_DIALOG_DESTROY_WITH_PARENT,
 551                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 552                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 553                 NULL);
 554
 555         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 556
 557         frame = gtk_frame_new("New starting number");
 558         gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 559
 560         button = gtk_spin_button_new_with_range(1, 50000, 1);
 561         gtk_container_add(GTK_CONTAINER(frame), button);
 562
 563         /*
 564          * Do we have a number for the first dive already? Use that
 565          * as the default.
 566          */
 567         dive = get_dive(0);
 568         if (dive && dive->number)
 569                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(button), dive->number);
 570
 571         gtk_widget_show_all(dialog);
 572         result = gtk_dialog_run(GTK_DIALOG(dialog));
 573         if (result == GTK_RESPONSE_ACCEPT) {
 574                 int nr = gtk_spin_button_get_value(GTK_SPIN_BUTTON(button));
 575                 renumber_dives(nr);
 576                 repaint_dive();
 577         }
 578         gtk_widget_destroy(dialog);
 579 }
 580
 581 static void about_dialog(GtkWidget *w, gpointer data)
 582 {
 583         const char *logo_property = NULL;
 584         GdkPixbuf *logo = NULL;
 585
 586         if (need_icon) {
 587 #if defined __linux__ || defined __APPLE__
 588                 GtkWidget *image = gtk_image_new_from_file("subsurface.svg");
 589 #elif defined WIN32
 590                 GtkWidget *image = gtk_image_new_from_file("subsurface.ico");
 591 #endif
 592
 593                 if (image) {
 594                         logo = gtk_image_get_pixbuf(GTK_IMAGE(image));
 595                         logo_property = "logo";
 596                 }
 597         }
 598
 599         gtk_show_about_dialog(NULL,
 600                 "program-name", "SubSurface",
 601                 "comments", "Half-arsed divelog software in C",
 602                 "license", "GPLv2",
 603                 "version", VERSION_STRING,
 604                 "copyright", "Linus Torvalds 2011",
 605                 "logo-icon-name", "subsurface",
 606                 /* Must be last: */
 607                 logo_property, logo,
 608                 NULL);
 609 }
 610
 611 static GtkActionEntry menu_items[] = {
 612         { "FileMenuAction", GTK_STOCK_FILE, "File", NULL, NULL, NULL},
 613         { "LogMenuAction",  GTK_STOCK_FILE, "Log", NULL, NULL, NULL},
 614         { "FilterMenuAction",  GTK_STOCK_FILE, "Filter", NULL, NULL, NULL},
 615         { "HelpMenuAction", GTK_STOCK_HELP, "Help", NULL, NULL, NULL},
 616         { "OpenFile",       GTK_STOCK_OPEN, NULL,   "<control>O", NULL, G_CALLBACK(file_open) },
 617         { "SaveFile",       GTK_STOCK_SAVE, NULL,   "<control>S", NULL, G_CALLBACK(file_save) },
 618         { "Print",          GTK_STOCK_PRINT, NULL,  "<control>P", NULL, G_CALLBACK(do_print) },
 619         { "Import",         NULL, "Import", NULL, NULL, G_CALLBACK(import_dialog) },
 620         { "Preferences",    NULL, "Preferences", NULL, NULL, G_CALLBACK(preferences_dialog) },
 621         { "Renumber",       NULL, "Renumber", NULL, NULL, G_CALLBACK(renumber_dialog) },
 622         { "SelectEvents",   NULL, "SelectEvents", NULL, NULL, G_CALLBACK(selectevents_dialog) },
 623         { "Quit",           GTK_STOCK_QUIT, NULL,   "<control>Q", NULL, G_CALLBACK(quit) },
 624         { "About",          GTK_STOCK_ABOUT, NULL,  NULL, NULL, G_CALLBACK(about_dialog) },
 625 };
 626 static gint nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);
 627
 628 static const gchar* ui_string = " \
 629         <ui> \
 630                 <menubar name=\"MainMenu\"> \
 631                         <menu name=\"FileMenu\" action=\"FileMenuAction\"> \
 632                                 <menuitem name=\"Open\" action=\"OpenFile\" /> \
 633                                 <menuitem name=\"Save\" action=\"SaveFile\" /> \
 634                                 <menuitem name=\"Print\" action=\"Print\" /> \
 635                                 <separator name=\"Separator1\"/> \
 636                                 <menuitem name=\"Import\" action=\"Import\" /> \
 637                                 <separator name=\"Separator2\"/> \
 638                                 <menuitem name=\"Preferences\" action=\"Preferences\" /> \
 639                                 <separator name=\"Separator3\"/> \
 640                                 <menuitem name=\"Quit\" action=\"Quit\" /> \
 641                         </menu> \
 642                         <menu name=\"LogMenu\" action=\"LogMenuAction\"> \
 643                                 <menuitem name=\"Renumber\" action=\"Renumber\" /> \
 644                         </menu> \
 645                         <menu name=\"FilterMenu\" action=\"FilterMenuAction\"> \
 646                                 <menuitem name=\"SelectEvents\" action=\"SelectEvents\" /> \
 647                         </menu> \
 648                         <menu name=\"Help\" action=\"HelpMenuAction\"> \
 649                                 <menuitem name=\"About\" action=\"About\" /> \
 650                         </menu> \
 651                 </menubar> \
 652         </ui> \
 653 ";
 654
 655 static GtkWidget *get_menubar_menu(GtkWidget *window)
 656 {
 657         GtkActionGroup *action_group = gtk_action_group_new("Menu");
 658         gtk_action_group_add_actions(action_group, menu_items, nmenu_items, 0);
 659
 660         GtkUIManager *ui_manager = gtk_ui_manager_new();
 661         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
 662         GError* error = 0;
 663         gtk_ui_manager_add_ui_from_string(GTK_UI_MANAGER(ui_manager), ui_string, -1, &error);
 664
 665         gtk_window_add_accel_group(GTK_WINDOW(window), gtk_ui_manager_get_accel_group(ui_manager));
 666         GtkWidget* menu = gtk_ui_manager_get_widget(ui_manager, "/MainMenu");
 667
 668         return menu;
 669 }
 670
 671 static void switch_page(GtkNotebook *notebook, gint arg1, gpointer user_data)
 672 {
 673         repaint_dive();
 674 }
 675
 676 static const char notebook_group[] = "123";
 677 #define GRP_ID ((void *)notebook_group)
 678 typedef struct {
 679         char *name;
 680         GtkWidget *widget;
 681         GtkWidget *box;
 682         gulong delete_handler;
 683         gulong destroy_handler;
 684 } notebook_data_t;
 685
 686 static notebook_data_t nbd[2]; /* we rip at most two notebook pages off */
 687
 688 static GtkNotebook *create_new_notebook_window(GtkNotebook *source,
 689                 GtkWidget *page,
 690                 gint x, gint y, gpointer data)
 691 {
 692         GtkWidget *win, *notebook, *vbox;
 693         notebook_data_t *nbdp;
 694         GtkAllocation allocation;
 695
 696         /* pick the right notebook page data and return if both are detached */
 697         if (nbd[0].widget == NULL)
 698                 nbdp = nbd;
 699         else if (nbd[1].widget == NULL)
 700                 nbdp = nbd + 1;
 701         else
 702                 return NULL;
 703
 704         nbdp->name = strdup(gtk_widget_get_name(page));
 705         nbdp->widget = win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 706         gtk_window_set_title(GTK_WINDOW(win), nbdp->name);
 707         gtk_window_move(GTK_WINDOW(win), x, y);
 708
 709         /* Destroying the dive list will kill the application */
 710         nbdp->delete_handler = g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 711         nbdp->destroy_handler = g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 712
 713         nbdp->box = vbox = gtk_vbox_new(FALSE, 0);
 714         gtk_container_add(GTK_CONTAINER(win), vbox);
 715
 716         notebook = gtk_notebook_new();
 717         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 718         gtk_widget_set_name(notebook, nbdp->name);
 719         /* disallow drop events */
 720         gtk_drag_dest_set(notebook, 0, NULL, 0, 0);
 721         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 6);
 722         gtk_widget_get_allocation(page, &allocation);
 723         gtk_window_set_default_size(GTK_WINDOW(win), allocation.width, allocation.height);
 724
 725         gtk_widget_show_all(win);
 726         return GTK_NOTEBOOK(notebook);
 727 }
 728
 729 static gboolean drag_cb(GtkWidget *widget, GdkDragContext *context,
 730         gint x, gint y, guint time,
 731         gpointer user_data)
 732 {
 733         GtkWidget *source;
 734         notebook_data_t *nbdp;
 735
 736         gtk_drag_finish(context, TRUE, TRUE, time);
 737         source = gtk_drag_get_source_widget(context);
 738         if (nbd[0].name && ! strcmp(nbd[0].name,gtk_widget_get_name(source)))
 739                 nbdp = nbd;
 740         else if (nbd[1].name && ! strcmp(nbd[1].name,gtk_widget_get_name(source)))
 741                 nbdp = nbd + 1;
 742         else /* just on ourselves */
 743                 return TRUE;
 744
 745         /* we no longer need the widget - but getting rid of this is hard;
 746          * remove the signal handler, remove the notebook from the box
 747          * then destroy the widget (and clear out our data structure) */
 748         g_signal_handler_disconnect(nbdp->widget,nbdp->delete_handler);
 749         g_signal_handler_disconnect(nbdp->widget,nbdp->destroy_handler);
 750         gtk_container_remove(GTK_CONTAINER(nbdp->box), source);
 751         gtk_widget_destroy(nbdp->widget);
 752         nbdp->widget = NULL;
 753         free(nbdp->name);
 754         nbdp->name = NULL;
 755
 756         return TRUE;
 757 }
 758
 759 #if defined WIN32
 760 static int get_from_registry(HKEY hkey, const char *key)
 761 {
 762         DWORD value;
 763         DWORD len = 4;
 764         LONG success;
 765
 766         success = RegQueryValueEx(hkey, TEXT(key), NULL, NULL,
 767                                 (LPBYTE) &value, &len );
 768         if (success != ERROR_SUCCESS)
 769                 return FALSE; /* that's what happens the first time we start */
 770         return value;
 771 }
 772 #endif
 773
 774 void init_ui(int *argcp, char ***argvp)
 775 {
 776         GtkWidget *win;
 777         GtkWidget *notebook;
 778         GtkWidget *dive_info;
 779         GtkWidget *dive_list;
 780         GtkWidget *equipment;
 781         GtkWidget *stats;
 782         GtkWidget *menubar;
 783         GtkWidget *vbox;
 784         GtkWidget *hpane, *vpane;
 785         GdkScreen *screen;
 786         GtkIconTheme *icon_theme=NULL;
 787         GtkSettings *settings;
 788         static const GtkTargetEntry notebook_target = {
 789                 "GTK_NOTEBOOK_TAB", GTK_TARGET_SAME_APP, 0
 790         };
 791
 792         gtk_init(argcp, argvp);
 793         settings = gtk_settings_get_default();
 794         gtk_settings_set_long_property(settings, "gtk_tooltip_timeout", 10, "subsurface setting");
 795
 796         g_type_init();
 797
 798 #ifdef __linux__
 799         gconf = gconf_client_get_default();
 800
 801         if (gconf_client_get_bool(gconf, GCONF_NAME(feet), NULL))
 802                 output_units.length = FEET;
 803         if (gconf_client_get_bool(gconf, GCONF_NAME(psi), NULL))
 804                 output_units.pressure = PSI;
 805         if (gconf_client_get_bool(gconf, GCONF_NAME(cuft), NULL))
 806                 output_units.volume = CUFT;
 807         if (gconf_client_get_bool(gconf, GCONF_NAME(fahrenheit), NULL))
 808                 output_units.temperature = FAHRENHEIT;
 809         /* an unset key is FALSE - all these are hidden by default */
 810         visible_cols.cylinder = gconf_client_get_bool(gconf, GCONF_NAME(CYLINDER), NULL);
 811         visible_cols.temperature = gconf_client_get_bool(gconf, GCONF_NAME(TEMPERATURE), NULL);
 812         visible_cols.nitrox = gconf_client_get_bool(gconf, GCONF_NAME(NITROX), NULL);
 813         visible_cols.otu = gconf_client_get_bool(gconf, GCONF_NAME(OTU), NULL);
 814         visible_cols.sac = gconf_client_get_bool(gconf, GCONF_NAME(SAC), NULL);
 815
 816         divelist_font = gconf_client_get_string(gconf, GCONF_NAME(divelist_font), NULL);
 817 #elif defined WIN32
 818         DWORD len = 4;
 819         LONG success;
 820         HKEY hkey;
 821
 822         success = RegOpenKeyEx( HKEY_CURRENT_USER, TEXT("Software\\subsurface"), 0,
 823                         KEY_QUERY_VALUE, &hkey);
 824
 825         output_units.length = get_from_registry(hkey, "feet");
 826         output_units.pressure = get_from_registry(hkey, "psi");
 827         output_units.volume = get_from_registry(hkey, "cuft");
 828         output_units.temperature = get_from_registry(hkey, "fahrenheit");
 829         visible_cols.temperature = get_from_registry(hkey, "temperature");
 830         visible_cols.cylinder = get_from_registry(hkey, "cylinder");
 831         visible_cols.nitrox = get_from_registry(hkey, "nitrox");
 832         visible_cols.sac = get_from_registry(hkey, "sac");
 833         visible_cols.otu = get_from_registry(hkey, "otu");
 834
 835         divelist_font = malloc(80);
 836         len = 80;
 837         success = RegQueryValueEx(hkey, TEXT("divelist_font"), NULL, NULL,
 838                                 (LPBYTE) divelist_font, &len );
 839         if (success != ERROR_SUCCESS) {
 840                 /* that's what happens the first time we start - just use the default */
 841                 free(divelist_font);
 842                 divelist_font = NULL;
 843         }
 844         RegCloseKey(hkey);
 845 #elif defined __APPLE__
 846 #define BOOL_FROM_CFSTRING(_pl,_key) \
 847         strcmp("0", CFStringGetCStringPtr(CFDictionaryGetValue(_pl, CFSTR(_key)), 0) ? : "")
 848
 849         CFPropertyListRef propertyList;
 850         CFStringRef errorString;
 851         CFDataRef resourceData;
 852         Boolean status;
 853         SInt32 errorCode;
 854
 855         fileURL = CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
 856                                                 CFSTR("subsurface.pref"),// file path name
 857                                                 kCFURLPOSIXPathStyle,    // interpret as POSIX path
 858                                                 false );                 // is it a directory?
 859
 860         status = CFURLCreateDataAndPropertiesFromResource(kCFAllocatorDefault,
 861                                                         fileURL, &resourceData,
 862                                                         NULL, NULL, &errorCode);
 863         propertyList = CFPropertyListCreateFromXMLData(kCFAllocatorDefault,
 864                                                 resourceData, kCFPropertyListImmutable,
 865                                                 &errorString);
 866         CFRelease(resourceData);
 867         output_units.length = BOOL_FROM_CFSTRING(propertyList, "feet") ? FEET : METERS;
 868         output_units.pressure = BOOL_FROM_CFSTRING(propertyList, "psi") ? PSI : BAR;
 869         output_units.volume = BOOL_FROM_CFSTRING(propertyList, "cuft") ? CUFT : LITER;
 870         output_units.temperature = BOOL_FROM_CFSTRING(propertyList, "fahrenheit") ? FAHRENHEIT : CELSIUS;
 871         visible_cols.temperature = BOOL_FROM_CFSTRING(propertyList, "TEMPERATURE");
 872         visible_cols.cylinder = BOOL_FROM_CFSTRING(propertyList, "CYLINDER");
 873         visible_cols.nitrox = BOOL_FROM_CFSTRING(propertyList, "NITROX");
 874         visible_cols.sac = BOOL_FROM_CFSTRING(propertyList, "SAC");
 875         visible_cols.otu = BOOL_FROM_CFSTRING(propertyList, "OTU");
 876         CFRelease(propertyList);
 877 #endif
 878         if (!divelist_font)
 879                 divelist_font = DIVELIST_DEFAULT_FONT;
 880
 881         error_info_bar = NULL;
 882         win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 883         g_set_application_name ("subsurface");
 884         /* Let's check if the subsurface icon has been installed or if
 885          * we need to try to load it from the current directory */
 886         screen = gdk_screen_get_default();
 887         if (screen)
 888                 icon_theme = gtk_icon_theme_get_for_screen(screen);
 889         if (icon_theme) {
 890                 if (gtk_icon_theme_has_icon(icon_theme, "subsurface")) {
 891                         need_icon = FALSE;
 892                         gtk_window_set_default_icon_name ("subsurface");
 893                 }
 894         }
 895         if (need_icon)
 896 #if defined __linux__ || defined __APPLE__
 897                 gtk_window_set_icon_from_file(GTK_WINDOW(win), "subsurface.svg", NULL);
 898 #elif defined WIN32
 899                 gtk_window_set_icon_from_file(GTK_WINDOW(win), "subsurface.ico", NULL);
 900 #endif
 901         g_signal_connect(G_OBJECT(win), "delete-event", G_CALLBACK(on_delete), NULL);
 902         g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
 903         main_window = win;
 904
 905         vbox = gtk_vbox_new(FALSE, 0);
 906         gtk_container_add(GTK_CONTAINER(win), vbox);
 907         main_vbox = vbox;
 908
 909         menubar = get_menubar_menu(win);
 910         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
 911
 912         vpane = gtk_vpaned_new();
 913         gtk_box_pack_start(GTK_BOX(vbox), vpane, TRUE, TRUE, 3);
 914
 915         hpane = gtk_hpaned_new();
 916         gtk_paned_add1(GTK_PANED(vpane), hpane);
 917
 918         /* Notebook for dive info vs profile vs .. */
 919         notebook = gtk_notebook_new();
 920         gtk_paned_add1(GTK_PANED(hpane), notebook);
 921         gtk_notebook_set_group(GTK_NOTEBOOK(notebook), GRP_ID);
 922         g_signal_connect(notebook, "create-window", G_CALLBACK(create_new_notebook_window), NULL);
 923         gtk_drag_dest_set(notebook, GTK_DEST_DEFAULT_ALL, &notebook_target, 1, GDK_ACTION_MOVE);
 924         g_signal_connect(notebook, "drag-drop", G_CALLBACK(drag_cb), notebook);
 925         g_signal_connect(notebook, "switch-page", G_CALLBACK(switch_page), NULL);
 926
 927         /* Create the actual divelist */
 928         dive_list = dive_list_create();
 929         gtk_widget_set_name(dive_list, "Dive List");
 930         gtk_paned_add2(GTK_PANED(vpane), dive_list);
 931
 932         /* Frame for dive profile */
 933         dive_profile = dive_profile_widget();
 934         gtk_widget_set_name(dive_profile, "Dive Profile");
 935         gtk_paned_add2(GTK_PANED(hpane), dive_profile);
 936
 937         /* Frame for extended dive info */
 938         dive_info = extended_dive_info_widget();
 939         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), dive_info, gtk_label_new("Dive Notes"));
 940
 941         /* Frame for dive equipment */
 942         equipment = equipment_widget();
 943         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), equipment, gtk_label_new("Equipment"));
 944
 945         /* Frame for dive statistics */
 946         stats = stats_widget();
 947         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), stats, gtk_label_new("Info & Stats"));
 948
 949         gtk_widget_set_app_paintable(win, TRUE);
 950         gtk_widget_show_all(win);
 951
 952         return;
 953 }
 954
 955 void run_ui(void)
 956 {
 957         gtk_main();
 958 }
 959
 960 typedef struct {
 961         cairo_rectangle_int_t rect;
 962         const char *text;
 963 } tooltip_record_t;
 964
 965 static tooltip_record_t *tooltip_rects;
 966 static int tooltips;
 967
 968 void attach_tooltip(int x, int y, int w, int h, const char *text)
 969 {
 970         cairo_rectangle_int_t *rect;
 971         tooltip_rects = realloc(tooltip_rects, (tooltips + 1) * sizeof(tooltip_record_t));
 972         rect = &tooltip_rects[tooltips].rect;
 973         rect->x = x;
 974         rect->y = y;
 975         rect->width = w;
 976         rect->height = h;
 977         tooltip_rects[tooltips].text = text;
 978         tooltips++;
 979 }
 980
 981 #define INSIDE_RECT(_r,_x,_y)   ((_r.x <= _x) && (_r.x + _r.width >= _x) && \
 982                                 (_r.y <= _y) && (_r.y + _r.height >= _y))
 983
 984 static gboolean profile_tooltip (GtkWidget *widget, gint x, gint y,
 985                         gboolean keyboard_mode, GtkTooltip *tooltip, gpointer user_data)
 986 {
 987         int i;
 988         cairo_rectangle_int_t *drawing_area = user_data;
 989         gint tx = x - drawing_area->x; /* get transformed coordinates */
 990         gint ty = y - drawing_area->y;
 991
 992         /* are we over an event marker ? */
 993         for (i = 0; i < tooltips; i++) {
 994                 if (INSIDE_RECT(tooltip_rects[i].rect, tx, ty)) {
 995                         gtk_tooltip_set_text(tooltip,tooltip_rects[i].text);
 996                         return TRUE; /* show tooltip */
 997                 }
 998         }
 999         return FALSE; /* don't show tooltip */
1000 }
1001
1002 static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
1003 {
1004         struct dive *dive = current_dive;
1005         struct graphics_context gc = { .printer = 0 };
1006         static cairo_rectangle_int_t drawing_area;
1007
1008         /* the drawing area gives TOTAL width * height - x,y is used as the topx/topy offset
1009          * so effective drawing area is width-2x * height-2y */
1010         drawing_area.width = widget->allocation.width;
1011         drawing_area.height = widget->allocation.height;
1012         drawing_area.x = drawing_area.width / 20.0;
1013         drawing_area.y = drawing_area.height / 20.0;
1014
1015         gc.cr = gdk_cairo_create(widget->window);
1016         g_object_set(widget, "has-tooltip", TRUE, NULL);
1017         g_signal_connect(widget, "query-tooltip", G_CALLBACK(profile_tooltip), &drawing_area);
1018         set_source_rgb(&gc, 0, 0, 0);
1019         cairo_paint(gc.cr);
1020
1021         if (dive) {
1022                 if (tooltip_rects) {
1023                         free(tooltip_rects);
1024                         tooltip_rects = NULL;
1025                 }
1026                 tooltips = 0;
1027                 plot(&gc, &drawing_area, dive);
1028         }
1029         cairo_destroy(gc.cr);
1030
1031         return FALSE;
1032 }
1033
1034 GtkWidget *dive_profile_widget(void)
1035 {
1036         GtkWidget *da;
1037
1038         da = gtk_drawing_area_new();
1039         gtk_widget_set_size_request(da, 350, 250);
1040         g_signal_connect(da, "expose_event", G_CALLBACK(expose_event), NULL);
1041
1042         return da;
1043 }
1044
1045 int process_ui_events(void)
1046 {
1047         int ret=0;
1048
1049         while (gtk_events_pending()) {
1050                 if (gtk_main_iteration_do(0)) {
1051                         ret = 1;
1052                         break;
1053                 }
1054         }
1055         return(ret);
1056 }
1057
1058
1059 static void fill_computer_list(GtkListStore *store)
1060 {
1061         GtkTreeIter iter;
1062         struct device_list *list = device_list;
1063
1064         for (list = device_list ; list->name ; list++) {
1065                 gtk_list_store_append(store, &iter);
1066                 gtk_list_store_set(store, &iter,
1067                         0, list->name,
1068                         1, list->type,
1069                         -1);
1070         }
1071 }
1072
1073 static GtkComboBox *dive_computer_selector(GtkWidget *vbox)
1074 {
1075         GtkWidget *hbox, *combo_box, *frame;
1076         GtkListStore *model;
1077         GtkCellRenderer *renderer;
1078
1079         hbox = gtk_hbox_new(FALSE, 6);
1080         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
1081
1082         model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
1083         fill_computer_list(model);
1084
1085         frame = gtk_frame_new("Dive computer");
1086         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
1087
1088         combo_box = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
1089         gtk_container_add(GTK_CONTAINER(frame), combo_box);
1090
1091         renderer = gtk_cell_renderer_text_new();
1092         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo_box), renderer, TRUE);
1093         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo_box), renderer, "text", 0, NULL);
1094
1095         return GTK_COMBO_BOX(combo_box);
1096 }
1097
1098 static GtkEntry *dive_computer_device(GtkWidget *vbox)
1099 {
1100         GtkWidget *hbox, *entry, *frame;
1101
1102         hbox = gtk_hbox_new(FALSE, 6);
1103         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
1104
1105         frame = gtk_frame_new("Device name");
1106         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
1107
1108         entry = gtk_entry_new();
1109         gtk_container_add(GTK_CONTAINER(frame), entry);
1110         gtk_entry_set_text(GTK_ENTRY(entry), "/dev/ttyUSB0");
1111
1112         return GTK_ENTRY(entry);
1113 }
1114
1115 /* once a file is selected in the FileChooserButton we want to exit the import dialog */
1116 static void on_file_set(GtkFileChooserButton *widget, gpointer _data)
1117 {
1118         GtkDialog *main_dialog = _data;
1119
1120         gtk_dialog_response(main_dialog, GTK_RESPONSE_ACCEPT);
1121 }
1122
1123 static GtkWidget *xml_file_selector(GtkWidget *vbox, GtkWidget *main_dialog)
1124 {
1125         GtkWidget *hbox, *frame, *chooser, *dialog;
1126         GtkFileFilter *filter;
1127
1128         hbox = gtk_hbox_new(FALSE, 6);
1129         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 3);
1130
1131         frame = gtk_frame_new("XML file name");
1132         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 3);
1133         dialog = gtk_file_chooser_dialog_new("Open XML File",
1134                 GTK_WINDOW(main_window),
1135                 GTK_FILE_CHOOSER_ACTION_OPEN,
1136                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
1137                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
1138                 NULL);
1139         gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), FALSE);
1140
1141         filter = gtk_file_filter_new();
1142         gtk_file_filter_add_pattern(filter, "*.xml");
1143         gtk_file_filter_add_pattern(filter, "*.XML");
1144         gtk_file_filter_add_pattern(filter, "*.sda");
1145         gtk_file_filter_add_pattern(filter, "*.SDA");
1146         gtk_file_filter_add_mime_type(filter, "text/xml");
1147         gtk_file_filter_set_name(filter, "XML file");
1148         gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
1149
1150         chooser = gtk_file_chooser_button_new_with_dialog(dialog);
1151         g_signal_connect(G_OBJECT(chooser), "file-set", G_CALLBACK(on_file_set), main_dialog);
1152
1153         gtk_file_chooser_button_set_width_chars(GTK_FILE_CHOOSER_BUTTON(chooser), 30);
1154         gtk_container_add(GTK_CONTAINER(frame), chooser);
1155
1156         return chooser;
1157 }
1158
1159 static void do_import_file(gpointer data, gpointer user_data)
1160 {
1161         GError *error = NULL;
1162         parse_xml_file(data, &error);
1163
1164         if (error != NULL)
1165         {
1166                 report_error(error);
1167                 g_error_free(error);
1168                 error = NULL;
1169         }
1170 }
1171
1172 void import_dialog(GtkWidget *w, gpointer data)
1173 {
1174         int result;
1175         GtkWidget *dialog, *hbox, *vbox, *label;
1176         GtkComboBox *computer;
1177         GtkEntry *device;
1178         GtkWidget *XMLchooser;
1179         device_data_t devicedata = {
1180                 .devname = NULL,
1181         };
1182
1183         dialog = gtk_dialog_new_with_buttons("Import from dive computer",
1184                 GTK_WINDOW(main_window),
1185                 GTK_DIALOG_DESTROY_WITH_PARENT,
1186                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
1187                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
1188                 NULL);
1189
1190         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
1191         label = gtk_label_new("Import: \nLoad XML file or import directly from dive computer");
1192         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, TRUE, 3);
1193         XMLchooser = xml_file_selector(vbox, dialog);
1194         computer = dive_computer_selector(vbox);
1195         device = dive_computer_device(vbox);
1196         hbox = gtk_hbox_new(FALSE, 6);
1197         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 3);
1198         devicedata.progress.bar = gtk_progress_bar_new();
1199         gtk_container_add(GTK_CONTAINER(hbox), devicedata.progress.bar);
1200
1201         gtk_widget_show_all(dialog);
1202         result = gtk_dialog_run(GTK_DIALOG(dialog));
1203         switch (result) {
1204                 int type;
1205                 GtkTreeIter iter;
1206                 GtkTreeModel *model;
1207                 const char *comp;
1208                 GSList *list;
1209         case GTK_RESPONSE_ACCEPT:
1210                 /* what happened - did the user pick a file? In that case
1211                  * we ignore whether a dive computer model was picked */
1212                 list = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(XMLchooser));
1213                 if (g_slist_length(list) == 0) {
1214                         if (!gtk_combo_box_get_active_iter(computer, &iter))
1215                                 break;
1216                         model = gtk_combo_box_get_model(computer);
1217                         gtk_tree_model_get(model, &iter,
1218                                         0, &comp,
1219                                         1, &type,
1220                                         -1);
1221                         devicedata.type = type;
1222                         devicedata.name = comp;
1223                         devicedata.devname = gtk_entry_get_text(device);
1224                         do_import(&devicedata);
1225                 } else {
1226                         g_slist_foreach(list,do_import_file,NULL);
1227                         g_slist_free(list);
1228                 }
1229                 break;
1230         default:
1231                 break;
1232         }
1233         gtk_widget_destroy(dialog);
1234
1235         report_dives(TRUE);
1236 }
1237
1238 void update_progressbar(progressbar_t *progress, double value)
1239 {
1240         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress->bar), value);
1241 }
1242
1243
1244 void set_filename(const char *filename)
1245 {
1246         if (!existing_filename && filename)
1247                 existing_filename = strdup(filename);
1248         return;
1249 }