src/main.c

   1 #ifdef HAVE_CONFIG_H
   2 #  include <config.h>
   3 #endif
   4
   5 #include <sys/stat.h>
   6 #include <string.h>
   7 #include <gtk/gtk.h>
   8 #include <libgnomecanvas/libgnomecanvas.h>
   9
  10 #include "xournal.h"
  11 #include "xo-interface.h"
  12 #include "xo-support.h"
  13 #include "xo-callbacks.h"
  14 #include "xo-misc.h"
  15 #include "xo-file.h"
  16 #include "xo-paint.h"
  17 #include "xo-shapes.h"
  18
  19 GtkWidget *winMain;
  20 GnomeCanvas *canvas;
  21
  22 struct Journal journal; // the journal
  23 struct BgPdf bgpdf;  // the PDF loader stuff
  24 struct UIData ui;   // the user interface data
  25 struct UndoItem *undo, *redo; // the undo and redo stacks
  26
  27 double DEFAULT_ZOOM;
  28
  29 void init_stuff (int argc, char *argv[])
  30 {
  31   GtkWidget *w;
  32   GList *dev_list;
  33   GdkDevice *device;
  34   GdkScreen *screen;
  35   int i, j;
  36   struct Brush *b;
  37   gboolean can_xinput, success;
  38   gchar *tmppath, *tmpfn;
  39
  40   // create some data structures needed to populate the preferences
  41   ui.default_page.bg = g_new(struct Background, 1);
  42
  43   // initialize config file names
  44   tmppath = g_build_filename(g_get_home_dir(), CONFIG_DIR, NULL);
  45   mkdir(tmppath, 0700); // safer (MRU data may be confidential)
  46   ui.mrufile = g_build_filename(tmppath, MRU_FILE, NULL);
  47   ui.configfile = g_build_filename(tmppath, CONFIG_FILE, NULL);
  48   g_free(tmppath);
  49
  50   // initialize preferences
  51   init_config_default();
  52   load_config_from_file();
  53   ui.font_name = g_strdup(ui.default_font_name);
  54   ui.font_size = ui.default_font_size;
  55   ui.hiliter_alpha_mask = 0xffffff00 + (guint)(255*ui.hiliter_opacity);
  56
  57   // we need an empty canvas prior to creating the journal structures
  58   canvas = GNOME_CANVAS (gnome_canvas_new_aa ());
  59
  60   // initialize data
  61   ui.default_page.bg->canvas_item = NULL;
  62   ui.layerbox_length = 0;
  63
  64   if (argc > 2 || (argc == 2 && argv[1][0] == '-')) {
  65     printf(_("Invalid command line parameters.\n"
  66            "Usage: %s [filename.xoj]\n"), argv[0]);
  67     gtk_exit(0);
  68   }
  69
  70   undo = NULL; redo = NULL;
  71   journal.pages = NULL;
  72   bgpdf.status = STATUS_NOT_INIT;
  73
  74   new_journal();
  75
  76   ui.cur_item_type = ITEM_NONE;
  77   ui.cur_item = NULL;
  78   ui.cur_path.coords = NULL;
  79   ui.cur_path_storage_alloc = 0;
  80   ui.cur_path.ref_count = 1;
  81   ui.cur_widths = NULL;
  82   ui.cur_widths_storage_alloc = 0;
  83
  84   ui.selection = NULL;
  85   ui.cursor = NULL;
  86
  87   ui.cur_brush = &(ui.brushes[0][ui.toolno[0]]);
  88   for (j=0; j<=NUM_BUTTONS; j++)
  89     for (i=0; i < NUM_STROKE_TOOLS; i++) {
  90       b = &(ui.brushes[j][i]);
  91       b->tool_type = i;
  92       if (b->color_no>=0) {
  93         b->color_rgba = predef_colors_rgba[b->color_no];
  94         if (i == TOOL_HIGHLIGHTER) {
  95           b->color_rgba &= ui.hiliter_alpha_mask;
  96         }
  97       }
  98       b->thickness = predef_thickness[i][b->thickness_no];
  99     }
 100   for (i=0; i<NUM_STROKE_TOOLS; i++)
 101     g_memmove(ui.default_brushes+i, &(ui.brushes[0][i]), sizeof(struct Brush));
 102
 103   ui.cur_mapping = 0;
 104   ui.which_unswitch_button = 0;
 105
 106   reset_recognizer();
 107
 108   // initialize various interface elements
 109
 110   gtk_window_set_default_size(GTK_WINDOW (winMain), ui.window_default_width, ui.window_default_height);
 111   if (ui.maximize_at_start) gtk_window_maximize(GTK_WINDOW (winMain));
 112   update_toolbar_and_menu();
 113   update_font_button();
 114
 115   gtk_check_menu_item_set_active(
 116     GTK_CHECK_MENU_ITEM(GET_COMPONENT("journalApplyAllPages")), ui.bg_apply_all_pages);
 117   if (ui.fullscreen) {
 118     gtk_check_menu_item_set_active(
 119       GTK_CHECK_MENU_ITEM(GET_COMPONENT("viewFullscreen")), TRUE);
 120     gtk_toggle_tool_button_set_active(
 121       GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonFullscreen")), TRUE);
 122     gtk_window_fullscreen(GTK_WINDOW(winMain));
 123   }
 124   gtk_button_set_relief(GTK_BUTTON(GET_COMPONENT("buttonColorChooser")), GTK_RELIEF_NONE);
 125
 126   allow_all_accels();
 127   add_scroll_bindings();
 128
 129   // prevent interface items from stealing focus
 130   // glade doesn't properly handle can_focus, so manually set it
 131   gtk_combo_box_set_focus_on_click(GTK_COMBO_BOX(GET_COMPONENT("comboLayer")), FALSE);
 132   g_signal_connect(GET_COMPONENT("spinPageNo"), "activate",
 133           G_CALLBACK(handle_activate_signal), NULL);
 134   gtk_container_forall(GTK_CONTAINER(winMain), unset_flags, (gpointer)GTK_CAN_FOCUS);
 135   GTK_WIDGET_SET_FLAGS(GTK_WIDGET(canvas), GTK_CAN_FOCUS);
 136   GTK_WIDGET_SET_FLAGS(GTK_WIDGET(GET_COMPONENT("spinPageNo")), GTK_CAN_FOCUS);
 137
 138   // install hooks on button/key/activation events to make the spinPageNo lose focus
 139   gtk_container_forall(GTK_CONTAINER(winMain), install_focus_hooks, NULL);
 140
 141   // set up and initialize the canvas
 142
 143   gtk_widget_show (GTK_WIDGET (canvas));
 144   w = GET_COMPONENT("scrolledwindowMain");
 145   gtk_container_add (GTK_CONTAINER (w), GTK_WIDGET (canvas));
 146   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (w), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 147   gtk_widget_set_events (GTK_WIDGET (canvas), GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_KEY_PRESS_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
 148   gnome_canvas_set_pixels_per_unit (canvas, ui.zoom);
 149   gnome_canvas_set_center_scroll_region (canvas, TRUE);
 150   gtk_layout_get_hadjustment(GTK_LAYOUT (canvas))->step_increment = ui.scrollbar_step_increment;
 151   gtk_layout_get_vadjustment(GTK_LAYOUT (canvas))->step_increment = ui.scrollbar_step_increment;
 152
 153   // set up the page size and canvas size
 154   update_page_stuff();
 155
 156   g_signal_connect ((gpointer) canvas, "button_press_event",
 157                     G_CALLBACK (on_canvas_button_press_event),
 158                     NULL);
 159   g_signal_connect ((gpointer) canvas, "button_release_event",
 160                     G_CALLBACK (on_canvas_button_release_event),
 161                     NULL);
 162   g_signal_connect ((gpointer) canvas, "enter_notify_event",
 163                     G_CALLBACK (on_canvas_enter_notify_event),
 164                     NULL);
 165   g_signal_connect ((gpointer) canvas, "leave_notify_event",
 166                     G_CALLBACK (on_canvas_leave_notify_event),
 167                     NULL);
 168   g_signal_connect ((gpointer) canvas, "expose_event",
 169                     G_CALLBACK (on_canvas_expose_event),
 170                     NULL);
 171   g_signal_connect ((gpointer) canvas, "key_press_event",
 172                     G_CALLBACK (on_canvas_key_press_event),
 173                     NULL);
 174   g_signal_connect ((gpointer) canvas, "motion_notify_event",
 175                     G_CALLBACK (on_canvas_motion_notify_event),
 176                     NULL);
 177   g_signal_connect ((gpointer) gtk_layout_get_vadjustment(GTK_LAYOUT(canvas)),
 178                     "value-changed", G_CALLBACK (on_vscroll_changed),
 179                     NULL);
 180   g_object_set_data (G_OBJECT (winMain), "canvas", canvas);
 181
 182   screen = gtk_widget_get_screen(winMain);
 183   ui.screen_width = gdk_screen_get_width(screen);
 184   ui.screen_height = gdk_screen_get_height(screen);
 185
 186   can_xinput = FALSE;
 187   dev_list = gdk_devices_list();
 188   while (dev_list != NULL) {
 189     device = (GdkDevice *)dev_list->data;
 190     if (device != gdk_device_get_core_pointer() && device->num_axes >= 2) {
 191       /* get around a GDK bug: map the valuator range CORRECTLY to [0,1] */
 192 #ifdef ENABLE_XINPUT_BUGFIX
 193       gdk_device_set_axis_use(device, 0, GDK_AXIS_IGNORE);
 194       gdk_device_set_axis_use(device, 1, GDK_AXIS_IGNORE);
 195 #endif
 196       gdk_device_set_mode(device, GDK_MODE_SCREEN);
 197       if (g_strrstr(device->name, "raser"))
 198         gdk_device_set_source(device, GDK_SOURCE_ERASER);
 199       can_xinput = TRUE;
 200     }
 201     dev_list = dev_list->next;
 202   }
 203   if (!can_xinput)
 204     gtk_widget_set_sensitive(GET_COMPONENT("optionsUseXInput"), FALSE);
 205
 206   ui.use_xinput = ui.allow_xinput && can_xinput;
 207
 208   gtk_check_menu_item_set_active(
 209     GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsProgressiveBG")), ui.progressive_bg);
 210   gtk_check_menu_item_set_active(
 211     GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsPrintRuling")), ui.print_ruling);
 212   gtk_check_menu_item_set_active(
 213     GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsAutoloadPdfXoj")), ui.autoload_pdf_xoj);
 214   gtk_check_menu_item_set_active(
 215     GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsLeftHanded")), ui.left_handed);
 216   gtk_check_menu_item_set_active(
 217     GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsShortenMenus")), ui.shorten_menus);
 218   gtk_check_menu_item_set_active(
 219     GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsAutoSavePrefs")), ui.auto_save_prefs);
 220   gtk_check_menu_item_set_active(
 221     GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsButtonSwitchMapping")), ui.button_switch_mapping);
 222
 223   hide_unimplemented();
 224
 225   update_undo_redo_enabled();
 226   update_copy_paste_enabled();
 227   update_vbox_order(ui.vertical_order[ui.fullscreen?1:0]);
 228   gtk_widget_grab_focus(GTK_WIDGET(canvas));
 229
 230   // show everything...
 231
 232   gtk_widget_show (winMain);
 233   update_cursor();
 234
 235   /* this will cause extension events to get enabled/disabled, but
 236      we need the windows to be mapped first */
 237   gtk_check_menu_item_set_active(
 238     GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsUseXInput")), ui.use_xinput);
 239
 240   /* fix a bug in GTK+ 2.16 and 2.17: scrollbars shouldn't get extended
 241      input events from pointer motion when cursor moves into main window */
 242
 243   if (!gtk_check_version(2, 16, 0)) {
 244     g_signal_connect (
 245       GET_COMPONENT("menubar"),
 246       "event", G_CALLBACK (filter_extended_events),
 247       NULL);
 248     g_signal_connect (
 249       GET_COMPONENT("toolbarMain"),
 250       "event", G_CALLBACK (filter_extended_events),
 251       NULL);
 252     g_signal_connect (
 253       GET_COMPONENT("toolbarPen"),
 254       "event", G_CALLBACK (filter_extended_events),
 255       NULL);
 256     g_signal_connect (
 257       GET_COMPONENT("statusbar"),
 258       "event", G_CALLBACK (filter_extended_events),
 259       NULL);
 260     g_signal_connect (
 261       (gpointer)(gtk_scrolled_window_get_vscrollbar(GTK_SCROLLED_WINDOW(w))),
 262       "event", G_CALLBACK (filter_extended_events),
 263       NULL);
 264     g_signal_connect (
 265       (gpointer)(gtk_scrolled_window_get_hscrollbar(GTK_SCROLLED_WINDOW(w))),
 266       "event", G_CALLBACK (filter_extended_events),
 267       NULL);
 268   }
 269
 270   // load the MRU
 271
 272   init_mru();
 273
 274   // and finally, open a file specified on the command line
 275   // (moved here because display parameters weren't initialized yet...)
 276
 277   if (argc == 1) return;
 278   set_cursor_busy(TRUE);
 279   if (g_path_is_absolute(argv[1]))
 280     tmpfn = g_strdup(argv[1]);
 281   else {
 282     tmppath = g_get_current_dir();
 283     tmpfn = g_build_filename(tmppath, argv[1], NULL);
 284     g_free(tmppath);
 285   }
 286   success = open_journal(tmpfn);
 287   g_free(tmpfn);
 288   set_cursor_busy(FALSE);
 289   if (!success) {
 290     w = gtk_message_dialog_new(GTK_WINDOW (winMain), GTK_DIALOG_DESTROY_WITH_PARENT,
 291        GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("Error opening file '%s'"), argv[1]);
 292     gtk_dialog_run(GTK_DIALOG(w));
 293     gtk_widget_destroy(w);
 294   }
 295 }
 296
 297
 298 int
 299 main (int argc, char *argv[])
 300 {
 301   gchar *path, *path1, *path2;
 302
 303 #ifdef ENABLE_NLS
 304   bindtextdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR);
 305   bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
 306   textdomain (GETTEXT_PACKAGE);
 307 #endif
 308
 309   gtk_set_locale ();
 310   gtk_init (&argc, &argv);
 311
 312   add_pixmap_directory (PACKAGE_DATA_DIR "/" PACKAGE "/pixmaps");
 313   path = g_path_get_dirname(argv[0]);
 314   path1 = g_build_filename(path, "pixmaps", NULL);
 315   path2 = g_build_filename(path, "..", "pixmaps", NULL);
 316   add_pixmap_directory (path1);
 317   add_pixmap_directory (path2);
 318   add_pixmap_directory (path);
 319   g_free(path);
 320   g_free(path1);
 321   g_free(path2);
 322
 323   /*
 324    * The following code was added by Glade to create one of each component
 325    * (except popup menus), just so that you see something after building
 326    * the project. Delete any components that you don't want shown initially.
 327    */
 328   winMain = create_winMain ();
 329
 330   init_stuff (argc, argv);
 331   gtk_window_set_icon(GTK_WINDOW(winMain), create_pixbuf("xournal.png"));
 332
 333   gtk_main ();
 334
 335   if (bgpdf.status != STATUS_NOT_INIT) shutdown_bgpdf();
 336
 337   save_mru_list();
 338   if (ui.auto_save_prefs) save_config_to_file();
 339
 340   return 0;
 341 }
 342