src/vikwindow.c

   1 /*
   2  * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
   3  *
   4  * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include "config.h"
  24 #endif
  25
  26 #include "viking.h"
  27 #include "background.h"
  28 #include "acquire.h"
  29 #include "datasources.h"
  30 #ifdef VIK_CONFIG_GOOGLE
  31 #include "googlesearch.h"
  32 #endif
  33 #ifdef VIK_CONFIG_GEONAMES
  34 #include "geonamessearch.h"
  35 #endif
  36 #include "dems.h"
  37 #include "print.h"
  38 #include "preferences.h"
  39 #include "icons/icons.h"
  40 #include "vikexttools.h"
  41
  42 #ifdef HAVE_STDLIB_H
  43 #include <stdlib.h>
  44 #endif
  45 #ifdef HAVE_MATH_H
  46 #include <math.h>
  47 #endif
  48 #ifdef HAVE_STRING_H
  49 #include <string.h>
  50 #endif
  51 #include <ctype.h>
  52 #include <glib.h>
  53 #include <glib/gstdio.h>
  54 #include <glib/gprintf.h>
  55 #include <glib/gi18n.h>
  56
  57 #define VIKING_WINDOW_WIDTH      1000
  58 #define VIKING_WINDOW_HEIGHT     800
  59 #define DRAW_IMAGE_DEFAULT_WIDTH 1280
  60 #define DRAW_IMAGE_DEFAULT_HEIGHT 1024
  61 #define DRAW_IMAGE_DEFAULT_SAVE_AS_PNG TRUE
  62
  63 static void window_finalize ( GObject *gob );
  64 static GObjectClass *parent_class;
  65
  66 static void window_init ( VikWindow *vw );
  67 static void window_class_init ( VikWindowClass *klass );
  68 static void window_set_filename ( VikWindow *vw, const gchar *filename );
  69
  70 static void draw_update ( VikWindow *vw );
  71
  72 static void newwindow_cb ( GtkAction *a, VikWindow *vw );
  73
  74 /* Drawing & stuff */
  75
  76 static gboolean delete_event( VikWindow *vw );
  77
  78 static gboolean key_press_event( VikWindow *vw, GdkEventKey *event, gpointer data );
  79
  80 static void window_configure_event ( VikWindow *vw );
  81 static void draw_sync ( VikWindow *vw );
  82 static void draw_redraw ( VikWindow *vw );
  83 static void draw_scroll  ( VikWindow *vw, GdkEventScroll *event );
  84 static void draw_click  ( VikWindow *vw, GdkEventButton *event );
  85 static void draw_release ( VikWindow *vw, GdkEventButton *event );
  86 static void draw_mouse_motion ( VikWindow *vw, GdkEventMotion *event );
  87 static void draw_zoom_cb ( GtkAction *a, VikWindow *vw );
  88 static void draw_goto_cb ( GtkAction *a, VikWindow *vw );
  89
  90 static void draw_status ();
  91
  92 /* End Drawing Functions */
  93
  94 static void menu_addlayer_cb ( GtkAction *a, VikWindow *vw );
  95 static void menu_properties_cb ( GtkAction *a, VikWindow *vw );
  96 static void menu_delete_layer_cb ( GtkAction *a, VikWindow *vw );
  97
  98 /* tool management */
  99 typedef struct {
 100   VikToolInterface ti;
 101   gpointer state;
 102   gint layer_type;
 103 } toolbox_tool_t;
 104 #define TOOL_LAYER_TYPE_NONE -1
 105
 106 typedef struct {
 107   int                   active_tool;
 108   int                   n_tools;
 109   toolbox_tool_t        *tools;
 110   VikWindow *vw;
 111 } toolbox_tools_t;
 112
 113 static void menu_tool_cb ( GtkAction *old, GtkAction *a, VikWindow *vw );
 114 static toolbox_tools_t* toolbox_create(VikWindow *vw);
 115 static void toolbox_add_tool(toolbox_tools_t *vt, VikToolInterface *vti, gint layer_type );
 116 static int toolbox_get_tool(toolbox_tools_t *vt, const gchar *tool_name);
 117 static void toolbox_activate(toolbox_tools_t *vt, const gchar *tool_name);
 118 static const GdkCursor *toolbox_get_cursor(toolbox_tools_t *vt, const gchar *tool_name);
 119 static void toolbox_click (toolbox_tools_t *vt, GdkEventButton *event);
 120 static void toolbox_move (toolbox_tools_t *vt, GdkEventMotion *event);
 121 static void toolbox_release (toolbox_tools_t *vt, GdkEventButton *event);
 122
 123
 124 /* ui creation */
 125 static void window_create_ui( VikWindow *window );
 126 static void register_vik_icons (GtkIconFactory *icon_factory);
 127
 128 /* i/o */
 129 static void load_file ( GtkAction *a, VikWindow *vw );
 130 static gboolean save_file_as ( GtkAction *a, VikWindow *vw );
 131 static gboolean save_file ( GtkAction *a, VikWindow *vw );
 132 static gboolean save_file_and_exit ( GtkAction *a, VikWindow *vw );
 133 static gboolean window_save ( VikWindow *vw );
 134
 135 struct _VikWindow {
 136   GtkWindow gtkwindow;
 137   VikViewport *viking_vvp;
 138   VikLayersPanel *viking_vlp;
 139   VikStatusbar *viking_vs;
 140
 141   GtkToolbar *toolbar;
 142
 143   GtkItemFactory *item_factory;
 144
 145   /* tool management state */
 146   guint current_tool;
 147   toolbox_tools_t *vt;
 148   guint16 tool_layer_id;
 149   guint16 tool_tool_id;
 150
 151   GtkActionGroup *action_group;
 152
 153   gint pan_x, pan_y;
 154
 155   guint draw_image_width, draw_image_height;
 156   gboolean draw_image_save_as_png;
 157
 158   gchar *filename;
 159   gboolean modified;
 160
 161   GtkWidget *open_dia, *save_dia;
 162   GtkWidget *save_img_dia, *save_img_dir_dia;
 163
 164   gboolean only_updating_coord_mode_ui; /* hack for a bug in GTK */
 165   GtkUIManager *uim;
 166
 167   /* half-drawn update */
 168   VikLayer *trigger;
 169   VikCoord trigger_center;
 170 };
 171
 172 enum {
 173  TOOL_PAN = 0,
 174  TOOL_ZOOM,
 175  TOOL_RULER,
 176  TOOL_LAYER,
 177  NUMBER_OF_TOOLS
 178 };
 179
 180 enum {
 181   VW_NEWWINDOW_SIGNAL,
 182   VW_OPENWINDOW_SIGNAL,
 183   VW_LAST_SIGNAL
 184 };
 185
 186 static guint window_signals[VW_LAST_SIGNAL] = { 0 };
 187
 188 static gchar *tool_names[NUMBER_OF_TOOLS] = { N_("Pan"), N_("Zoom"), N_("Ruler") };
 189
 190 GType vik_window_get_type (void)
 191 {
 192   static GType vw_type = 0;
 193
 194   if (!vw_type)
 195   {
 196     static const GTypeInfo vw_info =
 197     {
 198       sizeof (VikWindowClass),
 199       NULL, /* base_init */
 200       NULL, /* base_finalize */
 201       (GClassInitFunc) window_class_init, /* class_init */
 202       NULL, /* class_finalize */
 203       NULL, /* class_data */
 204       sizeof (VikWindow),
 205       0,
 206       (GInstanceInitFunc) window_init,
 207     };
 208     vw_type = g_type_register_static ( GTK_TYPE_WINDOW, "VikWindow", &vw_info, 0 );
 209   }
 210
 211   return vw_type;
 212 }
 213
 214 VikViewport * vik_window_viewport(VikWindow *vw)
 215 {
 216   return(vw->viking_vvp);
 217 }
 218
 219 void vik_window_selected_layer(VikWindow *vw, VikLayer *vl)
 220 {
 221   int i, j, tool_count;
 222   VikLayerInterface *layer_interface;
 223
 224   if (!vw->action_group) return;
 225
 226   for (i=0; i<VIK_LAYER_NUM_TYPES; i++) {
 227     GtkAction *action;
 228     layer_interface = vik_layer_get_interface(i);
 229     tool_count = layer_interface->tools_count;
 230
 231     for (j = 0; j < tool_count; j++) {
 232       action = gtk_action_group_get_action(vw->action_group,
 233             layer_interface->tools[j].name);
 234       g_object_set(action, "sensitive", i == vl->type, NULL);
 235     }
 236   }
 237 }
 238
 239 static void window_finalize ( GObject *gob )
 240 {
 241   VikWindow *vw = VIK_WINDOW(gob);
 242   g_return_if_fail ( vw != NULL );
 243
 244   a_background_remove_status ( vw->viking_vs );
 245
 246   G_OBJECT_CLASS(parent_class)->finalize(gob);
 247 }
 248
 249
 250 static void window_class_init ( VikWindowClass *klass )
 251 {
 252   /* destructor */
 253   GObjectClass *object_class;
 254
 255   window_signals[VW_NEWWINDOW_SIGNAL] = g_signal_new ( "newwindow", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (VikWindowClass, newwindow), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
 256   window_signals[VW_OPENWINDOW_SIGNAL] = g_signal_new ( "openwindow", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (VikWindowClass, openwindow), NULL, NULL, g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_POINTER);
 257
 258   object_class = G_OBJECT_CLASS (klass);
 259
 260   object_class->finalize = window_finalize;
 261
 262   parent_class = g_type_class_peek_parent (klass);
 263
 264 }
 265
 266 static void window_init ( VikWindow *vw )
 267 {
 268   GtkWidget *main_vbox;
 269   GtkWidget *hpaned;
 270
 271   vw->action_group = NULL;
 272
 273   vw->viking_vvp = vik_viewport_new();
 274   vw->viking_vlp = vik_layers_panel_new();
 275   vik_layers_panel_set_viewport ( vw->viking_vlp, vw->viking_vvp );
 276   vw->viking_vs = vik_statusbar_new();
 277
 278   vw->vt = toolbox_create(vw);
 279   window_create_ui(vw);
 280   window_set_filename (vw, NULL);
 281
 282   toolbox_activate(vw->vt, "Pan");
 283
 284   vw->filename = NULL;
 285   vw->item_factory = NULL;
 286
 287   vw->modified = FALSE;
 288   vw->only_updating_coord_mode_ui = FALSE;
 289
 290   vw->pan_x = vw->pan_y = -1;
 291   vw->draw_image_width = DRAW_IMAGE_DEFAULT_WIDTH;
 292   vw->draw_image_height = DRAW_IMAGE_DEFAULT_HEIGHT;
 293   vw->draw_image_save_as_png = DRAW_IMAGE_DEFAULT_SAVE_AS_PNG;
 294
 295   main_vbox = gtk_vbox_new(FALSE, 1);
 296   gtk_container_add (GTK_CONTAINER (vw), main_vbox);
 297
 298   gtk_box_pack_start (GTK_BOX(main_vbox), gtk_ui_manager_get_widget (vw->uim, "/MainMenu"), FALSE, TRUE, 0);
 299   gtk_box_pack_start (GTK_BOX(main_vbox), gtk_ui_manager_get_widget (vw->uim, "/MainToolbar"), FALSE, TRUE, 0);
 300   gtk_toolbar_set_icon_size(GTK_TOOLBAR(gtk_ui_manager_get_widget (vw->uim, "/MainToolbar")), GTK_ICON_SIZE_SMALL_TOOLBAR);
 301   gtk_toolbar_set_style (GTK_TOOLBAR(gtk_ui_manager_get_widget (vw->uim, "/MainToolbar")), GTK_TOOLBAR_ICONS);
 302
 303   vik_ext_tools_add_menu_items ( vw, vw->uim );
 304
 305   g_signal_connect (G_OBJECT (vw), "delete_event", G_CALLBACK (delete_event), NULL);
 306
 307   g_signal_connect_swapped (G_OBJECT(vw->viking_vvp), "expose_event", G_CALLBACK(draw_sync), vw);
 308   g_signal_connect_swapped (G_OBJECT(vw->viking_vvp), "configure_event", G_CALLBACK(window_configure_event), vw);
 309   gtk_widget_add_events ( GTK_WIDGET(vw->viking_vvp), GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_KEY_PRESS_MASK );
 310   g_signal_connect_swapped (G_OBJECT(vw->viking_vvp), "scroll_event", G_CALLBACK(draw_scroll), vw);
 311   g_signal_connect_swapped (G_OBJECT(vw->viking_vvp), "button_press_event", G_CALLBACK(draw_click), vw);
 312   g_signal_connect_swapped (G_OBJECT(vw->viking_vvp), "button_release_event", G_CALLBACK(draw_release), vw);
 313   g_signal_connect_swapped (G_OBJECT(vw->viking_vvp), "motion_notify_event", G_CALLBACK(draw_mouse_motion), vw);
 314   g_signal_connect_swapped (G_OBJECT(vw->viking_vlp), "update", G_CALLBACK(draw_update), vw);
 315
 316   g_signal_connect_swapped (G_OBJECT (vw->viking_vvp), "key_press_event", G_CALLBACK (key_press_event), vw);
 317
 318   gtk_window_set_default_size ( GTK_WINDOW(vw), VIKING_WINDOW_WIDTH, VIKING_WINDOW_HEIGHT);
 319
 320   hpaned = gtk_hpaned_new ();
 321   gtk_paned_pack1 ( GTK_PANED(hpaned), GTK_WIDGET (vw->viking_vlp), FALSE, FALSE );
 322   gtk_paned_pack2 ( GTK_PANED(hpaned), GTK_WIDGET (vw->viking_vvp), TRUE, TRUE );
 323
 324   /* This packs the button into the window (a gtk container). */
 325   gtk_box_pack_start (GTK_BOX(main_vbox), hpaned, TRUE, TRUE, 0);
 326
 327   gtk_box_pack_end (GTK_BOX(main_vbox), GTK_WIDGET(vw->viking_vs), FALSE, TRUE, 0);
 328
 329   a_background_add_status(vw->viking_vs);
 330
 331   vw->open_dia = NULL;
 332   vw->save_dia = NULL;
 333   vw->save_img_dia = NULL;
 334   vw->save_img_dir_dia = NULL;
 335 }
 336
 337 VikWindow *vik_window_new ()
 338 {
 339   return VIK_WINDOW ( g_object_new ( VIK_WINDOW_TYPE, NULL ) );
 340 }
 341
 342 static gboolean key_press_event( VikWindow *vw, GdkEventKey *event, gpointer data )
 343 {
 344   VikLayer *vl = vik_layers_panel_get_selected ( vw->viking_vlp );
 345   if (vl && vw->vt->active_tool != -1 && vw->vt->tools[vw->vt->active_tool].ti.key_press ) {
 346     gint ltype = vw->vt->tools[vw->vt->active_tool].layer_type;
 347     if ( vl && ltype == vl->type )
 348       return vw->vt->tools[vw->vt->active_tool].ti.key_press(vl, event, vw->vt->tools[vw->vt->active_tool].state);
 349   }
 350   return FALSE; /* don't handle the keypress */
 351 }
 352
 353 static gboolean delete_event( VikWindow *vw )
 354 {
 355 #ifdef VIKING_PROMPT_IF_MODIFIED
 356   if ( vw->modified )
 357 #else
 358   if (0)
 359 #endif
 360   {
 361     GtkDialog *dia;
 362     dia = GTK_DIALOG ( gtk_message_dialog_new ( GTK_WINDOW(vw), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
 363       _("Do you want to save the changes you made to the document \"%s\"?\n"
 364         "\n"
 365         "Your changes will be lost if you don't save them."),
 366       vw->filename ? a_file_basename ( vw->filename ) : _("Untitled") ) );
 367     gtk_dialog_add_buttons ( dia, _("Don't Save"), GTK_RESPONSE_NO, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_SAVE, GTK_RESPONSE_YES, NULL );
 368     switch ( gtk_dialog_run ( dia ) )
 369     {
 370       case GTK_RESPONSE_NO: gtk_widget_destroy ( GTK_WIDGET(dia) ); return FALSE;
 371       case GTK_RESPONSE_CANCEL: gtk_widget_destroy ( GTK_WIDGET(dia) ); return TRUE;
 372       default: gtk_widget_destroy ( GTK_WIDGET(dia) ); return ! save_file(NULL, vw);
 373     }
 374   }
 375   return FALSE;
 376 }
 377
 378 /* Drawing stuff */
 379 static void newwindow_cb ( GtkAction *a, VikWindow *vw )
 380 {
 381   g_signal_emit ( G_OBJECT(vw), window_signals[VW_NEWWINDOW_SIGNAL], 0 );
 382 }
 383
 384 static void draw_update ( VikWindow *vw )
 385 {
 386   draw_redraw (vw);
 387   draw_sync (vw);
 388 }
 389
 390 static void draw_sync ( VikWindow *vw )
 391 {
 392   vik_viewport_sync(vw->viking_vvp);
 393   draw_status ( vw );
 394   /* other things may be necc here later. */
 395 }
 396
 397 static void draw_status ( VikWindow *vw )
 398 {
 399   static gchar zoom_level[22];
 400   g_snprintf ( zoom_level, 22, "%.3f/%.3f %s", vik_viewport_get_xmpp (vw->viking_vvp), vik_viewport_get_ympp(vw->viking_vvp), vik_viewport_get_coord_mode(vw->viking_vvp) == VIK_COORD_UTM ? _("mpp") : _("pixelfact") );
 401   if ( vw->current_tool == TOOL_LAYER )
 402     vik_statusbar_set_message ( vw->viking_vs, 0, vik_layer_get_interface(vw->tool_layer_id)->tools[vw->tool_tool_id].name );
 403   else
 404     vik_statusbar_set_message ( vw->viking_vs, 0, _(tool_names[vw->current_tool]) );
 405
 406   vik_statusbar_set_message ( vw->viking_vs, 2, zoom_level );
 407 }
 408
 409 void vik_window_set_redraw_trigger(VikLayer *vl)
 410 {
 411   VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vl));
 412   if (NULL != vw)
 413     vw->trigger = vl;
 414 }
 415
 416 static void window_configure_event ( VikWindow *vw )
 417 {
 418   static int first = 1;
 419   draw_redraw ( vw );
 420   if (first) {
 421     // This is a hack to set the cursor corresponding to the first tool
 422     // FIXME find the correct way to initialize both tool and its cursor
 423     const GdkCursor *cursor = NULL;
 424     first = 0;
 425     cursor = toolbox_get_cursor(vw->vt, "Pan");
 426     /* We set cursor, even if it is NULL: it resets to default */
 427     gdk_window_set_cursor ( GTK_WIDGET(vw->viking_vvp)->window, cursor );
 428   }
 429 }
 430
 431 static void draw_redraw ( VikWindow *vw )
 432 {
 433   VikCoord old_center = vw->trigger_center;
 434   vw->trigger_center = *(vik_viewport_get_center(vw->viking_vvp));
 435   VikLayer *new_trigger = vw->trigger;
 436   vw->trigger = NULL;
 437   VikLayer *old_trigger = VIK_LAYER(vik_viewport_get_trigger(vw->viking_vvp));
 438
 439   if ( ! new_trigger )
 440     ; /* do nothing -- have to redraw everything. */
 441   else if ( (old_trigger != new_trigger) || !vik_coord_equals(&old_center, &vw->trigger_center) )
 442     vik_viewport_set_trigger ( vw->viking_vvp, new_trigger ); /* todo: set to half_drawn mode if new trigger is above old */
 443   else
 444     vik_viewport_set_half_drawn ( vw->viking_vvp, TRUE );
 445
 446   /* actually draw */
 447   vik_viewport_clear ( vw->viking_vvp);
 448   vik_layers_panel_draw_all ( vw->viking_vlp );
 449   vik_viewport_draw_scale ( vw->viking_vvp );
 450   vik_viewport_draw_centermark ( vw->viking_vvp );
 451
 452   vik_viewport_set_half_drawn ( vw->viking_vvp, FALSE ); /* just in case. */
 453 }
 454
 455 gboolean draw_buf_done = TRUE;
 456
 457 static gboolean draw_buf(gpointer data)
 458 {
 459   gpointer *pass_along = data;
 460   gdk_threads_enter();
 461   gdk_draw_drawable (pass_along[0], pass_along[1],
 462                      pass_along[2], 0, 0, 0, 0, -1, -1);
 463   draw_buf_done = TRUE;
 464   gdk_threads_leave();
 465   return FALSE;
 466 }
 467
 468
 469 /* Mouse event handlers ************************************************************************/
 470
 471 static void vik_window_pan_click (VikWindow *vw, GdkEventButton *event)
 472 {
 473   /* set panning origin */
 474   vw->pan_x = (gint) event->x;
 475   vw->pan_y = (gint) event->y;
 476 }
 477
 478 static void draw_click (VikWindow *vw, GdkEventButton *event)
 479 {
 480   gtk_widget_grab_focus ( GTK_WIDGET(vw->viking_vvp) );
 481
 482   /* middle button pressed.  we reserve all middle button and scroll events
 483    * for panning and zooming; tools only get left/right/movement
 484    */
 485   if ( event->button == 2) {
 486     vik_window_pan_click ( vw, event );
 487   }
 488   else {
 489     toolbox_click(vw->vt, event);
 490   }
 491 }
 492
 493 static void vik_window_pan_move (VikWindow *vw, GdkEventMotion *event)
 494 {
 495   if ( vw->pan_x != -1 ) {
 496     vik_viewport_pan_sync ( vw->viking_vvp, event->x - vw->pan_x, event->y - vw->pan_y );
 497   }
 498 }
 499
 500 static void draw_mouse_motion (VikWindow *vw, GdkEventMotion *event)
 501 {
 502   static VikCoord coord;
 503   static struct UTM utm;
 504   static struct LatLon ll;
 505   #define BUFFER_SIZE 50
 506   static char pointer_buf[BUFFER_SIZE];
 507   gchar *lat = NULL, *lon = NULL;
 508   gint16 alt;
 509   gdouble zoom;
 510   VikDemInterpol interpol_method;
 511
 512   toolbox_move(vw->vt, event);
 513
 514   vik_viewport_screen_to_coord ( vw->viking_vvp, event->x, event->y, &coord );
 515   vik_coord_to_utm ( &coord, &utm );
 516   a_coords_utm_to_latlon ( &utm, &ll );
 517   a_coords_latlon_to_string ( &ll, &lat, &lon );
 518   /* Change interpolate method according to scale */
 519   zoom = vik_viewport_get_zoom(vw->viking_vvp);
 520   if (zoom > 2.0)
 521     interpol_method = VIK_DEM_INTERPOL_NONE;
 522   else if (zoom >= 1.0)
 523     interpol_method = VIK_DEM_INTERPOL_SIMPLE;
 524   else
 525     interpol_method = VIK_DEM_INTERPOL_BEST;
 526   if ((alt = a_dems_get_elev_by_coord(&coord, interpol_method)) != VIK_DEM_INVALID_ELEVATION)
 527     g_snprintf ( pointer_buf, BUFFER_SIZE, _("%s %s %dm"), lat, lon, alt );
 528   else
 529     g_snprintf ( pointer_buf, BUFFER_SIZE, _("%s %s"), lat, lon );
 530   g_free (lat);
 531   lat = NULL;
 532   g_free (lon);
 533   lon = NULL;
 534   vik_statusbar_set_message ( vw->viking_vs, 4, pointer_buf );
 535
 536   vik_window_pan_move ( vw, event );
 537 }
 538
 539 static void vik_window_pan_release ( VikWindow *vw, GdkEventButton *event )
 540 {
 541   if ( ABS(vw->pan_x - event->x) <= 1 && ABS(vw->pan_y - event->y) <= 1 )
 542     vik_viewport_set_center_screen ( vw->viking_vvp, vw->pan_x, vw->pan_y );
 543   else
 544      vik_viewport_set_center_screen ( vw->viking_vvp, vik_viewport_get_width(vw->viking_vvp)/2 - event->x + vw->pan_x,
 545                                       vik_viewport_get_height(vw->viking_vvp)/2 - event->y + vw->pan_y );
 546   draw_update ( vw );
 547   vw->pan_x = vw->pan_y = -1;
 548 }
 549
 550 static void draw_release ( VikWindow *vw, GdkEventButton *event )
 551 {
 552   gtk_widget_grab_focus ( GTK_WIDGET(vw->viking_vvp) );
 553
 554   if ( event->button == 2 ) {  /* move / pan */
 555     vik_window_pan_release(vw, event);
 556   }
 557   else {
 558     toolbox_release(vw->vt, event);
 559   }
 560 }
 561
 562 static void draw_scroll (VikWindow *vw, GdkEventScroll *event)
 563 {
 564   if ( event->state == GDK_CONTROL_MASK ) {
 565     /* control == pan up & down */
 566     if ( event->direction == GDK_SCROLL_UP )
 567       vik_viewport_set_center_screen ( vw->viking_vvp, vik_viewport_get_width(vw->viking_vvp)/2, vik_viewport_get_height(vw->viking_vvp)/3 );
 568     else
 569       vik_viewport_set_center_screen ( vw->viking_vvp, vik_viewport_get_width(vw->viking_vvp)/2, vik_viewport_get_height(vw->viking_vvp)*2/3 );
 570   } else if ( event->state == GDK_SHIFT_MASK ) {
 571     /* control-shift == pan left & right */
 572     if ( event->direction == GDK_SCROLL_UP )
 573       vik_viewport_set_center_screen ( vw->viking_vvp, vik_viewport_get_width(vw->viking_vvp)/3, vik_viewport_get_height(vw->viking_vvp)/2 );
 574     else
 575       vik_viewport_set_center_screen ( vw->viking_vvp, vik_viewport_get_width(vw->viking_vvp)*2/3, vik_viewport_get_height(vw->viking_vvp)/2 );
 576   } else if ( event->state == (GDK_CONTROL_MASK | GDK_SHIFT_MASK) ) {
 577     if ( event->direction == GDK_SCROLL_UP ) {
 578       /* make sure mouse is still over the same point on the map when we zoom */
 579       VikCoord coord;
 580       gint x, y;
 581       gint center_x = vik_viewport_get_width ( vw->viking_vvp ) / 2;
 582       gint center_y = vik_viewport_get_height ( vw->viking_vvp ) / 2;
 583       vik_viewport_screen_to_coord ( vw->viking_vvp, event->x, event->y, &coord );
 584       vik_viewport_zoom_in (vw->viking_vvp);
 585       vik_viewport_coord_to_screen ( vw->viking_vvp, &coord, &x, &y );
 586       vik_viewport_set_center_screen ( vw->viking_vvp, center_x + (x - event->x),
 587                                 center_y + (y - event->y) );
 588     }
 589     else {
 590       VikCoord coord;
 591       gint x, y;
 592       gint center_x = vik_viewport_get_width ( vw->viking_vvp ) / 2;
 593       gint center_y = vik_viewport_get_height ( vw->viking_vvp ) / 2;
 594       vik_viewport_screen_to_coord ( vw->viking_vvp, event->x, event->y, &coord );
 595       vik_viewport_zoom_out(vw->viking_vvp);
 596       vik_viewport_coord_to_screen ( vw->viking_vvp, &coord, &x, &y );
 597       vik_viewport_set_center_screen ( vw->viking_vvp, center_x + (x - event->x),
 598                                 center_y + (y - event->y) );
 599     }
 600   } else {
 601     if ( event->direction == GDK_SCROLL_UP )
 602       vik_viewport_zoom_in (vw->viking_vvp);
 603     else
 604       vik_viewport_zoom_out (vw->viking_vvp);
 605   }
 606
 607   draw_update(vw);
 608 }
 609
 610
 611
 612 /********************************************************************************
 613  ** Ruler tool code
 614  ********************************************************************************/
 615 static void draw_ruler(VikViewport *vvp, GdkDrawable *d, GdkGC *gc, gint x1, gint y1, gint x2, gint y2, gdouble distance)
 616 {
 617   PangoFontDescription *pfd;
 618   PangoLayout *pl;
 619   gchar str[128];
 620   GdkGC *labgc = vik_viewport_new_gc ( vvp, "#cccccc", 1);
 621   GdkGC *thickgc = gdk_gc_new(d);
 622
 623   gdouble len = sqrt((x1-x2)*(x1-x2) + (y1-y2)*(y1-y2));
 624   gdouble dx = (x2-x1)/len*10;
 625   gdouble dy = (y2-y1)/len*10;
 626   gdouble c = cos(15.0 * M_PI/180.0);
 627   gdouble s = sin(15.0 * M_PI/180.0);
 628   gdouble angle;
 629   gdouble baseangle = 0;
 630   gint i;
 631
 632   /* draw line with arrow ends */
 633   {
 634     gint tmp_x1=x1, tmp_y1=y1, tmp_x2=x2, tmp_y2=y2;
 635     a_viewport_clip_line(&tmp_x1, &tmp_y1, &tmp_x2, &tmp_y2);
 636     gdk_draw_line(d, gc, tmp_x1, tmp_y1, tmp_x2, tmp_y2);
 637   }
 638
 639   a_viewport_clip_line(&x1, &y1, &x2, &y2);
 640   gdk_draw_line(d, gc, x1, y1, x2, y2);
 641
 642   gdk_draw_line(d, gc, x1 - dy, y1 + dx, x1 + dy, y1 - dx);
 643   gdk_draw_line(d, gc, x2 - dy, y2 + dx, x2 + dy, y2 - dx);
 644   gdk_draw_line(d, gc, x2, y2, x2 - (dx * c + dy * s), y2 - (dy * c - dx * s));
 645   gdk_draw_line(d, gc, x2, y2, x2 - (dx * c - dy * s), y2 - (dy * c + dx * s));
 646   gdk_draw_line(d, gc, x1, y1, x1 + (dx * c + dy * s), y1 + (dy * c - dx * s));
 647   gdk_draw_line(d, gc, x1, y1, x1 + (dx * c - dy * s), y1 + (dy * c + dx * s));
 648
 649   /* draw compass */
 650 #define CR 80
 651 #define CW 4
 652   angle = atan2(dy, dx) + M_PI_2;
 653
 654   if ( vik_viewport_get_drawmode ( vvp ) == VIK_VIEWPORT_DRAWMODE_UTM) {
 655     VikCoord test;
 656     struct LatLon ll;
 657     struct UTM u;
 658     gint tx, ty;
 659
 660     vik_viewport_screen_to_coord ( vvp, x1, y1, &test );
 661     vik_coord_to_latlon ( &test, &ll );
 662     ll.lat += vik_viewport_get_ympp ( vvp ) * vik_viewport_get_height ( vvp ) / 11000.0; // about 11km per degree latitude
 663     a_coords_latlon_to_utm ( &ll, &u );
 664     vik_coord_load_from_utm ( &test, VIK_VIEWPORT_DRAWMODE_UTM, &u );
 665     vik_viewport_coord_to_screen ( vvp, &test, &tx, &ty );
 666
 667     baseangle = M_PI - atan2(tx-x1, ty-y1);
 668     angle -= baseangle;
 669   }
 670
 671   if (angle<0)
 672     angle+=2*M_PI;
 673   if (angle>2*M_PI)
 674     angle-=2*M_PI;
 675
 676   {
 677     GdkColor color;
 678     gdk_gc_copy(thickgc, gc);
 679     gdk_gc_set_line_attributes(thickgc, CW, GDK_LINE_SOLID, GDK_CAP_BUTT, GDK_JOIN_MITER);
 680     gdk_color_parse("#2255cc", &color);
 681     gdk_gc_set_rgb_fg_color(thickgc, &color);
 682   }
 683   gdk_draw_arc (d, thickgc, FALSE, x1-CR+CW/2, y1-CR+CW/2, 2*CR-CW, 2*CR-CW, (90 - baseangle*180/M_PI)*64, -angle*180/M_PI*64);
 684
 685
 686   gdk_gc_copy(thickgc, gc);
 687   gdk_gc_set_line_attributes(thickgc, 2, GDK_LINE_SOLID, GDK_CAP_BUTT, GDK_JOIN_MITER);
 688   for (i=0; i<180; i++) {
 689     c = cos(i*M_PI/90.0 + baseangle);
 690     s = sin(i*M_PI/90.0 + baseangle);
 691
 692     if (i%5) {
 693       gdk_draw_line (d, gc, x1 + CR*c, y1 + CR*s, x1 + (CR+CW)*c, y1 + (CR+CW)*s);
 694     } else {
 695       gdouble ticksize = 2*CW;
 696       gdk_draw_line (d, thickgc, x1 + (CR-CW)*c, y1 + (CR-CW)*s, x1 + (CR+ticksize)*c, y1 + (CR+ticksize)*s);
 697     }
 698   }
 699
 700   gdk_draw_arc (d, gc, FALSE, x1-CR, y1-CR, 2*CR, 2*CR, 0, 64*360);
 701   gdk_draw_arc (d, gc, FALSE, x1-CR-CW, y1-CR-CW, 2*(CR+CW), 2*(CR+CW), 0, 64*360);
 702   gdk_draw_arc (d, gc, FALSE, x1-CR+CW, y1-CR+CW, 2*(CR-CW), 2*(CR-CW), 0, 64*360);
 703   c = (CR+CW*2)*cos(baseangle);
 704   s = (CR+CW*2)*sin(baseangle);
 705   gdk_draw_line (d, gc, x1-c, y1-s, x1+c, y1+s);
 706   gdk_draw_line (d, gc, x1+s, y1-c, x1-s, y1+c);
 707
 708   /* draw labels */
 709 #define LABEL(x, y, w, h) { \
 710     gdk_draw_rectangle(d, labgc, TRUE, (x)-2, (y)-1, (w)+4, (h)+1); \
 711     gdk_draw_rectangle(d, gc, FALSE, (x)-2, (y)-1, (w)+4, (h)+1); \
 712     gdk_draw_layout(d, gc, (x), (y), pl); }
 713   {
 714     gint wd, hd, xd, yd;
 715     gint wb, hb, xb, yb;
 716
 717     pl = gtk_widget_create_pango_layout (GTK_WIDGET(vvp), NULL);
 718
 719     pfd = pango_font_description_from_string ("Sans 8"); // FIXME: settable option? global variable?
 720     pango_layout_set_font_description (pl, pfd);
 721     pango_font_description_free (pfd);
 722
 723     pango_layout_set_text(pl, "N", -1);
 724     gdk_draw_layout(d, gc, x1-5, y1-CR-3*CW-8, pl);
 725
 726     /* draw label with distance */
 727     if (distance >= 1000 && distance < 100000) {
 728       g_sprintf(str, "%3.2f km", distance/1000.0);
 729     } else if (distance < 1000) {
 730       g_sprintf(str, "%d m", (int)distance);
 731     } else {
 732       g_sprintf(str, "%d km", (int)distance/1000);
 733     }
 734     pango_layout_set_text(pl, str, -1);
 735
 736     pango_layout_get_pixel_size ( pl, &wd, &hd );
 737     if (dy>0) {
 738       xd = (x1+x2)/2 + dy;
 739       yd = (y1+y2)/2 - hd/2 - dx;
 740     } else {
 741       xd = (x1+x2)/2 - dy;
 742       yd = (y1+y2)/2 - hd/2 + dx;
 743     }
 744
 745     if ( xd < -5 || yd < -5 || xd > vik_viewport_get_width(vvp)+5 || yd > vik_viewport_get_height(vvp)+5 ) {
 746       xd = x2 + 10;
 747       yd = y2 - 5;
 748     }
 749
 750     LABEL(xd, yd, wd, hd);
 751
 752     /* draw label with bearing */
 753     g_sprintf(str, "%3.1f°", angle*180.0/M_PI);
 754     pango_layout_set_text(pl, str, -1);
 755     pango_layout_get_pixel_size ( pl, &wb, &hb );
 756     xb = x1 + CR*cos(angle-M_PI_2);
 757     yb = y1 + CR*sin(angle-M_PI_2);
 758
 759     if ( xb < -5 || yb < -5 || xb > vik_viewport_get_width(vvp)+5 || yb > vik_viewport_get_height(vvp)+5 ) {
 760       xb = x2 + 10;
 761       yb = y2 + 10;
 762     }
 763
 764     {
 765       GdkRectangle r1 = {xd-2, yd-1, wd+4, hd+1}, r2 = {xb-2, yb-1, wb+4, hb+1};
 766       if (gdk_rectangle_intersect(&r1, &r2, &r2)) {
 767         xb = xd + wd + 5;
 768       }
 769     }
 770     LABEL(xb, yb, wb, hb);
 771   }
 772 #undef LABEL
 773
 774   g_object_unref ( G_OBJECT ( pl ) );
 775   g_object_unref ( G_OBJECT ( labgc ) );
 776   g_object_unref ( G_OBJECT ( thickgc ) );
 777 }
 778
 779 typedef struct {
 780   VikWindow *vw;
 781   VikViewport *vvp;
 782   gboolean has_oldcoord;
 783   VikCoord oldcoord;
 784 } ruler_tool_state_t;
 785
 786 static gpointer ruler_create (VikWindow *vw, VikViewport *vvp)
 787 {
 788   ruler_tool_state_t *s = g_new(ruler_tool_state_t, 1);
 789   s->vw = vw;
 790   s->vvp = vvp;
 791   s->has_oldcoord = FALSE;
 792   return s;
 793 }
 794
 795 static void ruler_destroy (ruler_tool_state_t *s)
 796 {
 797   g_free(s);
 798 }
 799
 800 static VikLayerToolFuncStatus ruler_click (VikLayer *vl, GdkEventButton *event, ruler_tool_state_t *s)
 801 {
 802   struct LatLon ll;
 803   VikCoord coord;
 804   gchar *temp;
 805   if ( event->button == 1 ) {
 806     gchar *lat=NULL, *lon=NULL;
 807     vik_viewport_screen_to_coord ( s->vvp, (gint) event->x, (gint) event->y, &coord );
 808     vik_coord_to_latlon ( &coord, &ll );
 809     a_coords_latlon_to_string ( &ll, &lat, &lon );
 810     if ( s->has_oldcoord ) {
 811       temp = g_strdup_printf ( "%s %s DIFF %f meters", lat, lon, vik_coord_diff( &coord, &(s->oldcoord) ) );
 812       s->has_oldcoord = FALSE;
 813     }
 814     else {
 815       temp = g_strdup_printf ( "%s %s", lat, lon );
 816       s->has_oldcoord = TRUE;
 817     }
 818
 819     vik_statusbar_set_message ( s->vw->viking_vs, 3, temp );
 820     g_free ( temp );
 821
 822     s->oldcoord = coord;
 823   }
 824   else {
 825     vik_viewport_set_center_screen ( s->vvp, (gint) event->x, (gint) event->y );
 826     draw_update ( s->vw );
 827   }
 828   return VIK_LAYER_TOOL_ACK;
 829 }
 830
 831 static VikLayerToolFuncStatus ruler_move (VikLayer *vl, GdkEventMotion *event, ruler_tool_state_t *s)
 832 {
 833   VikViewport *vvp = s->vvp;
 834   VikWindow *vw = s->vw;
 835
 836   struct LatLon ll;
 837   VikCoord coord;
 838   gchar *temp;
 839
 840   if ( s->has_oldcoord ) {
 841     int oldx, oldy, w1, h1, w2, h2;
 842     static GdkPixmap *buf = NULL;
 843     gchar *lat=NULL, *lon=NULL;
 844     w1 = vik_viewport_get_width(vvp);
 845     h1 = vik_viewport_get_height(vvp);
 846     if (!buf) {
 847       buf = gdk_pixmap_new ( GTK_WIDGET(vvp)->window, w1, h1, -1 );
 848     }
 849     gdk_drawable_get_size(buf, &w2, &h2);
 850     if (w1 != w2 || h1 != h2) {
 851       g_object_unref ( G_OBJECT ( buf ) );
 852       buf = gdk_pixmap_new ( GTK_WIDGET(vvp)->window, w1, h1, -1 );
 853     }
 854
 855     vik_viewport_screen_to_coord ( vvp, (gint) event->x, (gint) event->y, &coord );
 856     vik_coord_to_latlon ( &coord, &ll );
 857     vik_viewport_coord_to_screen ( vvp, &s->oldcoord, &oldx, &oldy );
 858
 859     gdk_draw_drawable (buf, GTK_WIDGET(vvp)->style->black_gc,
 860                        vik_viewport_get_pixmap(vvp), 0, 0, 0, 0, -1, -1);
 861     draw_ruler(vvp, buf, GTK_WIDGET(vvp)->style->black_gc, oldx, oldy, event->x, event->y, vik_coord_diff( &coord, &(s->oldcoord)) );
 862     if (draw_buf_done) {
 863       static gpointer pass_along[3];
 864       pass_along[0] = GTK_WIDGET(vvp)->window;
 865       pass_along[1] = GTK_WIDGET(vvp)->style->black_gc;
 866       pass_along[2] = buf;
 867       g_idle_add_full (G_PRIORITY_HIGH_IDLE + 10, draw_buf, pass_along, NULL);
 868       draw_buf_done = FALSE;
 869     }
 870     a_coords_latlon_to_string(&ll, &lat, &lon);
 871     temp = g_strdup_printf ( "%s %s DIFF %f meters", lat, lon, vik_coord_diff( &coord, &(s->oldcoord) ) );
 872     vik_statusbar_set_message ( vw->viking_vs, 3, temp );
 873     g_free ( temp );
 874   }
 875   return VIK_LAYER_TOOL_ACK;
 876 }
 877
 878 static VikLayerToolFuncStatus ruler_release (VikLayer *vl, GdkEventButton *event, ruler_tool_state_t *s)
 879 {
 880   return VIK_LAYER_TOOL_ACK;
 881 }
 882
 883 static void ruler_deactivate (VikLayer *vl, ruler_tool_state_t *s)
 884 {
 885   draw_update ( s->vw );
 886 }
 887
 888 static VikToolInterface ruler_tool =
 889   { "Ruler",
 890     (VikToolConstructorFunc) ruler_create,
 891     (VikToolDestructorFunc) ruler_destroy,
 892     (VikToolActivationFunc) NULL,
 893     (VikToolActivationFunc) ruler_deactivate,
 894     (VikToolMouseFunc) ruler_click,
 895     (VikToolMouseMoveFunc) ruler_move,
 896     (VikToolMouseFunc) ruler_release,
 897     NULL,
 898     GDK_CURSOR_IS_PIXMAP,
 899     &cursor_ruler_pixbuf };
 900 /*** end ruler code ********************************************************/
 901
 902
 903
 904 /********************************************************************************
 905  ** Zoom tool code
 906  ********************************************************************************/
 907 static gpointer zoomtool_create (VikWindow *vw, VikViewport *vvp)
 908 {
 909   return vw;
 910 }
 911
 912 static VikLayerToolFuncStatus zoomtool_click (VikLayer *vl, GdkEventButton *event, VikWindow *vw)
 913 {
 914   vw->modified = TRUE;
 915   vik_viewport_set_center_screen ( vw->viking_vvp, (gint) event->x, (gint) event->y );
 916   if ( event->button == 1 )
 917     vik_viewport_zoom_in (vw->viking_vvp);
 918   else if ( event->button == 3 )
 919     vik_viewport_zoom_out (vw->viking_vvp);
 920   draw_update ( vw );
 921   return VIK_LAYER_TOOL_ACK;
 922 }
 923
 924 static VikLayerToolFuncStatus zoomtool_move (VikLayer *vl, GdkEventMotion *event, VikViewport *vvp)
 925 {
 926   return VIK_LAYER_TOOL_ACK;
 927 }
 928
 929 static VikLayerToolFuncStatus zoomtool_release (VikLayer *vl, GdkEventButton *event, VikViewport *vvp)
 930 {
 931   return VIK_LAYER_TOOL_ACK;
 932 }
 933
 934 static VikToolInterface zoom_tool =
 935   { "Zoom",
 936     (VikToolConstructorFunc) zoomtool_create,
 937     (VikToolDestructorFunc) NULL,
 938     (VikToolActivationFunc) NULL,
 939     (VikToolActivationFunc) NULL,
 940     (VikToolMouseFunc) zoomtool_click,
 941     (VikToolMouseMoveFunc) zoomtool_move,
 942     (VikToolMouseFunc) zoomtool_release,
 943     NULL,
 944     GDK_CURSOR_IS_PIXMAP,
 945     &cursor_zoom_pixbuf };
 946 /*** end zoom code ********************************************************/
 947
 948 /********************************************************************************
 949  ** Pan tool code
 950  ********************************************************************************/
 951 static gpointer pantool_create (VikWindow *vw, VikViewport *vvp)
 952 {
 953   return vw;
 954 }
 955
 956 static VikLayerToolFuncStatus pantool_click (VikLayer *vl, GdkEventButton *event, VikWindow *vw)
 957 {
 958   vw->modified = TRUE;
 959   if ( event->button == 1 )
 960     vik_window_pan_click ( vw, event );
 961   draw_update ( vw );
 962   return VIK_LAYER_TOOL_ACK;
 963 }
 964
 965 static VikLayerToolFuncStatus pantool_move (VikLayer *vl, GdkEventMotion *event, VikWindow *vw)
 966 {
 967   vik_window_pan_move ( vw, event );
 968   return VIK_LAYER_TOOL_ACK;
 969 }
 970
 971 static VikLayerToolFuncStatus pantool_release (VikLayer *vl, GdkEventButton *event, VikWindow *vw)
 972 {
 973   if ( event->button == 1 )
 974     vik_window_pan_release ( vw, event );
 975   return VIK_LAYER_TOOL_ACK;
 976 }
 977
 978 static VikToolInterface pan_tool =
 979   { "Pan",
 980     (VikToolConstructorFunc) pantool_create,
 981     (VikToolDestructorFunc) NULL,
 982     (VikToolActivationFunc) NULL,
 983     (VikToolActivationFunc) NULL,
 984     (VikToolMouseFunc) pantool_click,
 985     (VikToolMouseMoveFunc) pantool_move,
 986     (VikToolMouseFunc) pantool_release,
 987     NULL,
 988     GDK_FLEUR };
 989 /*** end pan code ********************************************************/
 990
 991 static void draw_pan_cb ( GtkAction *a, VikWindow *vw )
 992 {
 993   if (!strcmp(gtk_action_get_name(a), "PanNorth")) {
 994     vik_viewport_set_center_screen ( vw->viking_vvp, vik_viewport_get_width(vw->viking_vvp)/2, 0 );
 995   } else if (!strcmp(gtk_action_get_name(a), "PanEast")) {
 996     vik_viewport_set_center_screen ( vw->viking_vvp, vik_viewport_get_width(vw->viking_vvp), vik_viewport_get_height(vw->viking_vvp)/2 );
 997   } else if (!strcmp(gtk_action_get_name(a), "PanSouth")) {
 998     vik_viewport_set_center_screen ( vw->viking_vvp, vik_viewport_get_width(vw->viking_vvp)/2, vik_viewport_get_height(vw->viking_vvp) );
 999   } else if (!strcmp(gtk_action_get_name(a), "PanWest")) {
1000     vik_viewport_set_center_screen ( vw->viking_vvp, 0, vik_viewport_get_height(vw->viking_vvp)/2 );
1001   }
1002   draw_update ( vw );
1003 }
1004
1005 static void full_screen_cb ( GtkAction *a, VikWindow *vw )
1006 {
1007   GtkWidget *check_box = gtk_ui_manager_get_widget ( vw->uim, "/ui/MainMenu/View/FullScreen" );
1008   g_assert(check_box);
1009   gboolean state = gtk_check_menu_item_get_active ( GTK_CHECK_MENU_ITEM(check_box));
1010   if ( state )
1011     gtk_window_fullscreen ( GTK_WINDOW(vw) );
1012   else
1013     gtk_window_unfullscreen ( GTK_WINDOW(vw) );
1014 }
1015
1016 static void draw_zoom_cb ( GtkAction *a, VikWindow *vw )
1017 {
1018   guint what = 128;
1019
1020   if (!strcmp(gtk_action_get_name(a), "ZoomIn")) {
1021     what = -3;
1022   }
1023   else if (!strcmp(gtk_action_get_name(a), "ZoomOut")) {
1024     what = -4;
1025   }
1026   else if (!strcmp(gtk_action_get_name(a), "Zoom0.25")) {
1027     what = -2;
1028   }
1029   else if (!strcmp(gtk_action_get_name(a), "Zoom0.5")) {
1030     what = -1;
1031   }
1032   else {
1033     gchar *s = (gchar *)gtk_action_get_name(a);
1034     what = atoi(s+4);
1035   }
1036
1037   switch (what)
1038   {
1039     case -3: vik_viewport_zoom_in ( vw->viking_vvp ); break;
1040     case -4: vik_viewport_zoom_out ( vw->viking_vvp ); break;
1041     case -1: vik_viewport_set_zoom ( vw->viking_vvp, 0.5 ); break;
1042     case -2: vik_viewport_set_zoom ( vw->viking_vvp, 0.25 ); break;
1043     default: vik_viewport_set_zoom ( vw->viking_vvp, what );
1044   }
1045   draw_update ( vw );
1046 }
1047
1048 void draw_goto_cb ( GtkAction *a, VikWindow *vw )
1049 {
1050   VikCoord new_center;
1051
1052   if (!strcmp(gtk_action_get_name(a), "GotoLL")) {
1053     struct LatLon ll, llold;
1054     vik_coord_to_latlon ( vik_viewport_get_center ( vw->viking_vvp ), &llold );
1055     if ( a_dialog_goto_latlon ( GTK_WINDOW(vw), &ll, &llold ) )
1056       vik_coord_load_from_latlon ( &new_center, vik_viewport_get_coord_mode(vw->viking_vvp), &ll );
1057     else
1058       return;
1059   }
1060   else if (!strcmp(gtk_action_get_name(a), "GotoUTM")) {
1061     struct UTM utm, utmold;
1062     vik_coord_to_utm ( vik_viewport_get_center ( vw->viking_vvp ), &utmold );
1063     if ( a_dialog_goto_utm ( GTK_WINDOW(vw), &utm, &utmold ) )
1064       vik_coord_load_from_utm ( &new_center, vik_viewport_get_coord_mode(vw->viking_vvp), &utm );
1065     else
1066      return;
1067   }
1068   else {
1069     g_critical("Houston, we've had a problem.");
1070     return;
1071   }
1072
1073   vik_viewport_set_center_coord ( vw->viking_vvp, &new_center );
1074   draw_update ( vw );
1075 }
1076
1077 static void menu_addlayer_cb ( GtkAction *a, VikWindow *vw )
1078 {
1079   gint type;
1080   for ( type = 0; type < VIK_LAYER_NUM_TYPES; type++ ) {
1081     if (!strcmp(vik_layer_get_interface(type)->name, gtk_action_get_name(a))) {
1082       if ( vik_layers_panel_new_layer ( vw->viking_vlp, type ) ) {
1083         draw_update ( vw );
1084         vw->modified = TRUE;
1085       }
1086     }
1087   }
1088 }
1089
1090 static void menu_copy_layer_cb ( GtkAction *a, VikWindow *vw )
1091 {
1092   a_clipboard_copy_selected ( vw->viking_vlp );
1093 }
1094
1095 static void menu_cut_layer_cb ( GtkAction *a, VikWindow *vw )
1096 {
1097   a_clipboard_copy_selected ( vw->viking_vlp );
1098   menu_delete_layer_cb ( a, vw );
1099 }
1100
1101 static void menu_paste_layer_cb ( GtkAction *a, VikWindow *vw )
1102 {
1103   if ( a_clipboard_paste ( vw->viking_vlp ) )
1104   {
1105     draw_update ( vw );
1106     vw->modified = TRUE;
1107   }
1108 }
1109
1110 static void menu_properties_cb ( GtkAction *a, VikWindow *vw )
1111 {
1112   if ( ! vik_layers_panel_properties ( vw->viking_vlp ) )
1113     a_dialog_info_msg ( GTK_WINDOW(vw), _("You must select a layer to show its properties.") );
1114 }
1115
1116 static void help_about_cb ( GtkAction *a, VikWindow *vw )
1117 {
1118   a_dialog_about(GTK_WINDOW(vw));
1119 }
1120
1121 static void menu_delete_layer_cb ( GtkAction *a, VikWindow *vw )
1122 {
1123   if ( vik_layers_panel_get_selected ( vw->viking_vlp ) )
1124   {
1125     vik_layers_panel_delete_selected ( vw->viking_vlp );
1126     vw->modified = TRUE;
1127   }
1128   else
1129     a_dialog_info_msg ( GTK_WINDOW(vw), _("You must select a layer to delete.") );
1130 }
1131
1132 static void view_side_panel_cb ( GtkAction *a, VikWindow *vw )
1133 {
1134   GtkWidget *check_box = gtk_ui_manager_get_widget ( vw->uim, "/ui/MainMenu/View/ViewSidePanel" );
1135   g_assert(check_box);
1136   gboolean state = gtk_check_menu_item_get_active ( GTK_CHECK_MENU_ITEM(check_box));
1137   if ( state )
1138     gtk_widget_show(GTK_WIDGET(vw->viking_vlp));
1139   else
1140     gtk_widget_hide(GTK_WIDGET(vw->viking_vlp));
1141 }
1142
1143 /***************************************
1144  ** tool management routines
1145  **
1146  ***************************************/
1147
1148 static toolbox_tools_t* toolbox_create(VikWindow *vw)
1149 {
1150   toolbox_tools_t *vt = g_new(toolbox_tools_t, 1);
1151   vt->tools = NULL;
1152   vt->n_tools = 0;
1153   vt->active_tool = -1;
1154   vt->vw = vw;
1155   if (!vw->viking_vvp) {
1156     g_critical("no viewport found.");
1157     exit(1);
1158   }
1159   return vt;
1160 }
1161
1162 static void toolbox_add_tool(toolbox_tools_t *vt, VikToolInterface *vti, gint layer_type )
1163 {
1164   vt->tools = g_renew(toolbox_tool_t, vt->tools, vt->n_tools+1);
1165   vt->tools[vt->n_tools].ti = *vti;
1166   vt->tools[vt->n_tools].layer_type = layer_type;
1167   if (vti->create) {
1168     vt->tools[vt->n_tools].state = vti->create(vt->vw, vt->vw->viking_vvp);
1169   }
1170   else {
1171     vt->tools[vt->n_tools].state = NULL;
1172   }
1173   vt->n_tools++;
1174 }
1175
1176 static int toolbox_get_tool(toolbox_tools_t *vt, const gchar *tool_name)
1177 {
1178   int i;
1179   for (i=0; i<vt->n_tools; i++) {
1180     if (!strcmp(tool_name, vt->tools[i].ti.name)) {
1181       break;
1182     }
1183   }
1184   return i;
1185 }
1186
1187 static void toolbox_activate(toolbox_tools_t *vt, const gchar *tool_name)
1188 {
1189   int tool = toolbox_get_tool(vt, tool_name);
1190   toolbox_tool_t *t = &vt->tools[tool];
1191   VikLayer *vl = vik_layers_panel_get_selected ( vt->vw->viking_vlp );
1192
1193   if (tool == vt->n_tools) {
1194     g_critical("trying to activate a non-existent tool...");
1195     exit(1);
1196   }
1197   /* is the tool already active? */
1198   if (vt->active_tool == tool) {
1199     return;
1200   }
1201
1202   if (vt->active_tool != -1) {
1203     if (vt->tools[vt->active_tool].ti.deactivate) {
1204       vt->tools[vt->active_tool].ti.deactivate(NULL, vt->tools[vt->active_tool].state);
1205     }
1206   }
1207   if (t->ti.activate) {
1208     t->ti.activate(vl, t->state);
1209   }
1210   vt->active_tool = tool;
1211 }
1212
1213 static const GdkCursor *toolbox_get_cursor(toolbox_tools_t *vt, const gchar *tool_name)
1214 {
1215   int tool = toolbox_get_tool(vt, tool_name);
1216   toolbox_tool_t *t = &vt->tools[tool];
1217   if (t->ti.cursor == NULL) {
1218     if (t->ti.cursor_type == GDK_CURSOR_IS_PIXMAP && t->ti.cursor_data != NULL) {
1219       GError *cursor_load_err = NULL;
1220       GdkPixbuf *cursor_pixbuf = gdk_pixbuf_from_pixdata (t->ti.cursor_data, FALSE, &cursor_load_err);
1221       /* TODO: settable offeset */
1222       t->ti.cursor = gdk_cursor_new_from_pixbuf ( gdk_display_get_default(), cursor_pixbuf, 3, 3 );
1223       g_object_unref ( G_OBJECT(cursor_pixbuf) );
1224     } else {
1225       t->ti.cursor = gdk_cursor_new ( t->ti.cursor_type );
1226     }
1227   }
1228   return t->ti.cursor;
1229 }
1230
1231 static void toolbox_click (toolbox_tools_t *vt, GdkEventButton *event)
1232 {
1233   VikLayer *vl = vik_layers_panel_get_selected ( vt->vw->viking_vlp );
1234   if (vt->active_tool != -1 && vt->tools[vt->active_tool].ti.click) {
1235     gint ltype = vt->tools[vt->active_tool].layer_type;
1236     if ( ltype == TOOL_LAYER_TYPE_NONE || (vl && ltype == vl->type) )
1237       vt->tools[vt->active_tool].ti.click(vl, event, vt->tools[vt->active_tool].state);
1238   }
1239 }
1240
1241 static void toolbox_move (toolbox_tools_t *vt, GdkEventMotion *event)
1242 {
1243   VikLayer *vl = vik_layers_panel_get_selected ( vt->vw->viking_vlp );
1244   if (vt->active_tool != -1 && vt->tools[vt->active_tool].ti.move) {
1245     gint ltype = vt->tools[vt->active_tool].layer_type;
1246     if ( ltype == TOOL_LAYER_TYPE_NONE || (vl && ltype == vl->type) )
1247       if ( VIK_LAYER_TOOL_ACK_GRAB_FOCUS == vt->tools[vt->active_tool].ti.move(vl, event, vt->tools[vt->active_tool].state) )
1248         gtk_widget_grab_focus ( GTK_WIDGET(vt->vw->viking_vvp) );
1249   }
1250 }
1251
1252 static void toolbox_release (toolbox_tools_t *vt, GdkEventButton *event)
1253 {
1254   VikLayer *vl = vik_layers_panel_get_selected ( vt->vw->viking_vlp );
1255   if (vt->active_tool != -1 && vt->tools[vt->active_tool].ti.release ) {
1256     gint ltype = vt->tools[vt->active_tool].layer_type;
1257     if ( ltype == TOOL_LAYER_TYPE_NONE || (vl && ltype == vl->type) )
1258       vt->tools[vt->active_tool].ti.release(vl, event, vt->tools[vt->active_tool].state);
1259   }
1260 }
1261 /** End tool management ************************************/
1262
1263 void vik_window_enable_layer_tool ( VikWindow *vw, gint layer_id, gint tool_id )
1264 {
1265   gtk_action_activate ( gtk_action_group_get_action ( vw->action_group, vik_layer_get_interface(layer_id)->tools[tool_id].name ) );
1266 }
1267
1268 /* this function gets called whenever a toolbar tool is clicked */
1269 static void menu_tool_cb ( GtkAction *old, GtkAction *a, VikWindow *vw )
1270 {
1271   /* White Magic, my friends ... White Magic... */
1272   int layer_id, tool_id;
1273   const GdkCursor *cursor = NULL;
1274
1275   toolbox_activate(vw->vt, gtk_action_get_name(a));
1276
1277   cursor = toolbox_get_cursor(vw->vt, gtk_action_get_name(a));
1278   /* We set cursor, even if it is NULL: it resets to default */
1279   gdk_window_set_cursor ( GTK_WIDGET(vw->viking_vvp)->window, cursor );
1280
1281   if (!strcmp(gtk_action_get_name(a), "Pan")) {
1282     vw->current_tool = TOOL_PAN;
1283   }
1284   else if (!strcmp(gtk_action_get_name(a), "Zoom")) {
1285     vw->current_tool = TOOL_ZOOM;
1286   }
1287   else if (!strcmp(gtk_action_get_name(a), "Ruler")) {
1288     vw->current_tool = TOOL_RULER;
1289   }
1290   else {
1291     /* TODO: only enable tools from active layer */
1292     for (layer_id=0; layer_id<VIK_LAYER_NUM_TYPES; layer_id++) {
1293       for ( tool_id = 0; tool_id < vik_layer_get_interface(layer_id)->tools_count; tool_id++ ) {
1294         if (!strcmp(vik_layer_get_interface(layer_id)->tools[tool_id].name, gtk_action_get_name(a))) {
1295            vw->current_tool = TOOL_LAYER;
1296            vw->tool_layer_id = layer_id;
1297            vw->tool_tool_id = tool_id;
1298         }
1299       }
1300     }
1301   }
1302   draw_status ( vw );
1303 }
1304
1305 static void window_set_filename ( VikWindow *vw, const gchar *filename )
1306 {
1307   gchar *title;
1308   const gchar *file;
1309   if ( vw->filename )
1310     g_free ( vw->filename );
1311   if ( filename == NULL )
1312   {
1313     vw->filename = NULL;
1314     file = _("Untitled");
1315   }
1316   else
1317   {
1318     vw->filename = g_strdup(filename);
1319     file = a_file_basename ( filename );
1320   }
1321   title = g_strdup_printf( "%s - Viking", file );
1322   gtk_window_set_title ( GTK_WINDOW(vw), title );
1323   g_free ( title );
1324 }
1325
1326 GtkWidget *vik_window_get_drawmode_button ( VikWindow *vw, VikViewportDrawMode mode )
1327 {
1328   GtkWidget *mode_button;
1329   gchar *buttonname;
1330   switch ( mode ) {
1331 #ifdef VIK_CONFIG_EXPEDIA
1332     case VIK_VIEWPORT_DRAWMODE_EXPEDIA: buttonname = "/ui/MainMenu/View/ModeExpedia"; break;
1333 #endif
1334     case VIK_VIEWPORT_DRAWMODE_MERCATOR: buttonname = "/ui/MainMenu/View/ModeMercator"; break;
1335     default: buttonname = "/ui/MainMenu/View/ModeUTM";
1336   }
1337   mode_button = gtk_ui_manager_get_widget ( vw->uim, buttonname );
1338   g_assert ( mode_button );
1339   return mode_button;
1340 }
1341
1342 void vik_window_open_file ( VikWindow *vw, const gchar *filename, gboolean change_filename )
1343 {
1344   switch ( a_file_load ( vik_layers_panel_get_top_layer(vw->viking_vlp), vw->viking_vvp, filename ) )
1345   {
1346     case 0:
1347       a_dialog_error_msg ( GTK_WINDOW(vw), _("The file you requested could not be opened.") );
1348       break;
1349     case 1:
1350     {
1351       GtkWidget *mode_button;
1352       if ( change_filename )
1353         window_set_filename ( vw, filename );
1354       mode_button = vik_window_get_drawmode_button ( vw, vik_viewport_get_drawmode ( vw->viking_vvp ) );
1355       vw->only_updating_coord_mode_ui = TRUE; /* if we don't set this, it will change the coord to UTM if we click Lat/Lon. I don't know why. */
1356       gtk_check_menu_item_set_active ( GTK_CHECK_MENU_ITEM(mode_button), TRUE );
1357       vw->only_updating_coord_mode_ui = FALSE;
1358
1359       vik_layers_panel_change_coord_mode ( vw->viking_vlp, vik_viewport_get_coord_mode ( vw->viking_vvp ) );
1360
1361       mode_button = gtk_ui_manager_get_widget ( vw->uim, "/ui/MainMenu/View/ShowScale" );
1362       g_assert ( mode_button );
1363       gtk_check_menu_item_set_active ( GTK_CHECK_MENU_ITEM(mode_button),vik_viewport_get_draw_scale(vw->viking_vvp) );
1364
1365       mode_button = gtk_ui_manager_get_widget ( vw->uim, "/ui/MainMenu/View/ShowCenterMark" );
1366       g_assert ( mode_button );
1367       gtk_check_menu_item_set_active ( GTK_CHECK_MENU_ITEM(mode_button),vik_viewport_get_draw_centermark(vw->viking_vvp) );
1368     }
1369     default: draw_update ( vw );
1370   }
1371 }
1372 static void load_file ( GtkAction *a, VikWindow *vw )
1373 {
1374   GSList *files = NULL;
1375   GSList *cur_file = NULL;
1376   gboolean newwindow;
1377   if (!strcmp(gtk_action_get_name(a), "Open")) {
1378     newwindow = TRUE;
1379   }
1380   else if (!strcmp(gtk_action_get_name(a), "Append")) {
1381     newwindow = FALSE;
1382   }
1383   else {
1384     g_critical("Houston, we've had a problem.");
1385     return;
1386   }
1387
1388   if ( ! vw->open_dia )
1389   {
1390     vw->open_dia = gtk_file_chooser_dialog_new (_("Please select a GPS data file to open. "),
1391                                       GTK_WINDOW(vw),
1392                                       GTK_FILE_CHOOSER_ACTION_OPEN,
1393                                       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
1394                                       GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
1395                                       NULL);
1396     gtk_file_chooser_set_select_multiple ( GTK_FILE_CHOOSER(vw->open_dia), TRUE );
1397     gtk_window_set_transient_for ( GTK_WINDOW(vw->open_dia), GTK_WINDOW(vw) );
1398     gtk_window_set_destroy_with_parent ( GTK_WINDOW(vw->open_dia), TRUE );
1399   }
1400   if ( gtk_dialog_run ( GTK_DIALOG(vw->open_dia) ) == GTK_RESPONSE_ACCEPT )
1401   {
1402     gtk_widget_hide ( vw->open_dia );
1403 #ifdef VIKING_PROMPT_IF_MODIFIED
1404     if ( (vw->modified || vw->filename) && newwindow )
1405 #else
1406     if ( vw->filename && newwindow )
1407 #endif
1408       g_signal_emit ( G_OBJECT(vw), window_signals[VW_OPENWINDOW_SIGNAL], 0, gtk_file_chooser_get_filenames (GTK_FILE_CHOOSER(vw->open_dia) ) );
1409     else {
1410       files = gtk_file_chooser_get_filenames (GTK_FILE_CHOOSER(vw->open_dia) );
1411       gboolean change_fn = newwindow && (g_slist_length(files)==1); /* only change fn if one file */
1412
1413       cur_file = files;
1414       while ( cur_file ) {
1415         gchar *file_name = cur_file->data;
1416         vik_window_open_file ( vw, file_name, change_fn );
1417         g_free (file_name);
1418         cur_file = g_slist_next (cur_file);
1419       }
1420       g_slist_free (files);
1421     }
1422   }
1423   else
1424     gtk_widget_hide ( vw->open_dia );
1425 }
1426
1427 static gboolean save_file_as ( GtkAction *a, VikWindow *vw )
1428 {
1429   gboolean rv = FALSE;
1430   const gchar *fn;
1431   if ( ! vw->save_dia )
1432   {
1433     vw->save_dia = gtk_file_chooser_dialog_new (_("Save as Viking File."),
1434                                       GTK_WINDOW(vw),
1435                                       GTK_FILE_CHOOSER_ACTION_SAVE,
1436                                       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
1437                                       GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
1438                                       NULL);
1439     gtk_window_set_transient_for ( GTK_WINDOW(vw->save_dia), GTK_WINDOW(vw) );
1440     gtk_window_set_destroy_with_parent ( GTK_WINDOW(vw->save_dia), TRUE );
1441   }
1442
1443   while ( gtk_dialog_run ( GTK_DIALOG(vw->save_dia) ) == GTK_RESPONSE_ACCEPT )
1444   {
1445     fn = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(vw->save_dia) );
1446     if ( g_file_test ( fn, G_FILE_TEST_EXISTS ) == FALSE || a_dialog_overwrite ( GTK_WINDOW(vw->save_dia), _("The file \"%s\" exists, do you wish to overwrite it?"), a_file_basename ( fn ) ) )
1447     {
1448       window_set_filename ( vw, fn );
1449       rv = window_save ( vw );
1450       vw->modified = FALSE;
1451       break;
1452     }
1453   }
1454   gtk_widget_hide ( vw->save_dia );
1455   return rv;
1456 }
1457
1458 static gboolean window_save ( VikWindow *vw )
1459 {
1460   if ( a_file_save ( vik_layers_panel_get_top_layer ( vw->viking_vlp ), vw->viking_vvp, vw->filename ) )
1461     return TRUE;
1462   else
1463   {
1464     a_dialog_error_msg ( GTK_WINDOW(vw), _("The filename you requested could not be opened for writing.") );
1465     return FALSE;
1466   }
1467 }
1468
1469 static gboolean save_file ( GtkAction *a, VikWindow *vw )
1470 {
1471   if ( ! vw->filename )
1472     return save_file_as ( NULL, vw );
1473   else
1474   {
1475     vw->modified = FALSE;
1476     return window_save ( vw );
1477   }
1478 }
1479
1480 static void acquire_from_gps ( GtkAction *a, VikWindow *vw )
1481 {
1482   a_acquire(vw, vw->viking_vlp, vw->viking_vvp, &vik_datasource_gps_interface );
1483 }
1484
1485 static void acquire_from_google ( GtkAction *a, VikWindow *vw )
1486 {
1487   a_acquire(vw, vw->viking_vlp, vw->viking_vvp, &vik_datasource_google_interface );
1488 }
1489
1490 #ifdef VIK_CONFIG_GEOCACHES
1491 static void acquire_from_gc ( GtkAction *a, VikWindow *vw )
1492 {
1493   a_acquire(vw, vw->viking_vlp, vw->viking_vvp, &vik_datasource_gc_interface );
1494 }
1495 #endif
1496
1497 static void goto_address( GtkAction *a, VikWindow *vw)
1498 {
1499 #if defined(VIK_CONFIG_GOOGLE) && VIK_CONFIG_SEARCH==VIK_CONFIG_SEARCH_GOOGLE
1500   a_google_search(vw, vw->viking_vlp, vw->viking_vvp);
1501 #endif
1502 #if defined(VIK_CONFIG_GEONAMES) && VIK_CONFIG_SEARCH==VIK_CONFIG_SEARCH_GEONAMES
1503   a_geonames_search(vw, vw->viking_vlp, vw->viking_vvp);
1504 #endif
1505
1506 }
1507
1508 static void preferences_cb ( GtkAction *a, VikWindow *vw )
1509 {
1510   a_preferences_show_window ( GTK_WINDOW(vw) );
1511 }
1512
1513 static void clear_cb ( GtkAction *a, VikWindow *vw )
1514 {
1515   vik_layers_panel_clear ( vw->viking_vlp );
1516   window_set_filename ( vw, NULL );
1517   draw_update ( vw );
1518 }
1519
1520 static void window_close ( GtkAction *a, VikWindow *vw )
1521 {
1522   if ( ! delete_event ( vw ) )
1523     gtk_widget_destroy ( GTK_WIDGET(vw) );
1524 }
1525
1526 static gboolean save_file_and_exit ( GtkAction *a, VikWindow *vw )
1527 {
1528   if (save_file( NULL, vw)) {
1529     window_close( NULL, vw);
1530     return(TRUE);
1531   }
1532   else
1533     return(FALSE);
1534 }
1535
1536 static void zoom_to_cb ( GtkAction *a, VikWindow *vw )
1537 {
1538   gdouble xmpp = vik_viewport_get_xmpp ( vw->viking_vvp ), ympp = vik_viewport_get_ympp ( vw->viking_vvp );
1539   if ( a_dialog_custom_zoom ( GTK_WINDOW(vw), &xmpp, &ympp ) )
1540   {
1541     vik_viewport_set_xmpp ( vw->viking_vvp, xmpp );
1542     vik_viewport_set_ympp ( vw->viking_vvp, ympp );
1543     draw_update ( vw );
1544   }
1545 }
1546
1547 static void save_image_file ( VikWindow *vw, const gchar *fn, guint w, guint h, gdouble zoom, gboolean save_as_png )
1548 {
1549   /* more efficient way: stuff draws directly to pixbuf (fork viewport) */
1550   GdkPixbuf *pixbuf_to_save;
1551   gdouble old_xmpp, old_ympp;
1552   GError *error = NULL;
1553
1554   /* backup old zoom & set new */
1555   old_xmpp = vik_viewport_get_xmpp ( vw->viking_vvp );
1556   old_ympp = vik_viewport_get_ympp ( vw->viking_vvp );
1557   vik_viewport_set_zoom ( vw->viking_vvp, zoom );
1558
1559   /* reset width and height: */
1560   vik_viewport_configure_manually ( vw->viking_vvp, w, h );
1561
1562   /* draw all layers */
1563   draw_redraw ( vw );
1564
1565   /* save buffer as file. */
1566   pixbuf_to_save = gdk_pixbuf_get_from_drawable ( NULL, GDK_DRAWABLE(vik_viewport_get_pixmap ( vw->viking_vvp )), NULL, 0, 0, 0, 0, w, h);
1567   gdk_pixbuf_save ( pixbuf_to_save, fn, save_as_png ? "png" : "jpeg", &error, NULL );
1568   if (error)
1569   {
1570     g_warning("Unable to write to file %s: %s", fn, error->message );
1571     g_error_free (error);
1572   }
1573   g_object_unref ( G_OBJECT(pixbuf_to_save) );
1574
1575   /* pretend like nothing happened ;) */
1576   vik_viewport_set_xmpp ( vw->viking_vvp, old_xmpp );
1577   vik_viewport_set_ympp ( vw->viking_vvp, old_ympp );
1578   vik_viewport_configure ( vw->viking_vvp );
1579   draw_update ( vw );
1580 }
1581
1582 static void save_image_dir ( VikWindow *vw, const gchar *fn, guint w, guint h, gdouble zoom, gboolean save_as_png, guint tiles_w, guint tiles_h )
1583 {
1584   gulong size = sizeof(gchar) * (strlen(fn) + 15);
1585   gchar *name_of_file = g_malloc ( size );
1586   guint x = 1, y = 1;
1587   struct UTM utm_orig, utm;
1588
1589   /* *** copied from above *** */
1590   GdkPixbuf *pixbuf_to_save;
1591   gdouble old_xmpp, old_ympp;
1592   GError *error = NULL;
1593
1594   /* backup old zoom & set new */
1595   old_xmpp = vik_viewport_get_xmpp ( vw->viking_vvp );
1596   old_ympp = vik_viewport_get_ympp ( vw->viking_vvp );
1597   vik_viewport_set_zoom ( vw->viking_vvp, zoom );
1598
1599   /* reset width and height: do this only once for all images (same size) */
1600   vik_viewport_configure_manually ( vw->viking_vvp, w, h );
1601   /* *** end copy from above *** */
1602
1603   g_assert ( vik_viewport_get_coord_mode ( vw->viking_vvp ) == VIK_COORD_UTM );
1604
1605   g_mkdir(fn,0777);
1606
1607   utm_orig = *((const struct UTM *)vik_viewport_get_center ( vw->viking_vvp ));
1608
1609   for ( y = 1; y <= tiles_h; y++ )
1610   {
1611     for ( x = 1; x <= tiles_w; x++ )
1612     {
1613       g_snprintf ( name_of_file, size, "%s%cy%d-x%d.%s", fn, G_DIR_SEPARATOR, y, x, save_as_png ? "png" : "jpg" );
1614       utm = utm_orig;
1615       if ( tiles_w & 0x1 )
1616         utm.easting += ((gdouble)x - ceil(((gdouble)tiles_w)/2)) * (w*zoom);
1617       else
1618         utm.easting += ((gdouble)x - (((gdouble)tiles_w)+1)/2) * (w*zoom);
1619       if ( tiles_h & 0x1 ) /* odd */
1620         utm.northing -= ((gdouble)y - ceil(((gdouble)tiles_h)/2)) * (h*zoom);
1621       else /* even */
1622         utm.northing -= ((gdouble)y - (((gdouble)tiles_h)+1)/2) * (h*zoom);
1623
1624       /* move to correct place. */
1625       vik_viewport_set_center_utm ( vw->viking_vvp, &utm );
1626
1627       draw_redraw ( vw );
1628
1629       /* save buffer as file. */
1630       pixbuf_to_save = gdk_pixbuf_get_from_drawable ( NULL, GDK_DRAWABLE(vik_viewport_get_pixmap ( vw->viking_vvp )), NULL, 0, 0, 0, 0, w, h);
1631       gdk_pixbuf_save ( pixbuf_to_save, name_of_file, save_as_png ? "png" : "jpeg", &error, NULL );
1632       if (error)
1633       {
1634         g_warning("Unable to write to file %s: %s", name_of_file, error->message );
1635         g_error_free (error);
1636       }
1637
1638       g_object_unref ( G_OBJECT(pixbuf_to_save) );
1639     }
1640   }
1641
1642   vik_viewport_set_center_utm ( vw->viking_vvp, &utm_orig );
1643   vik_viewport_set_xmpp ( vw->viking_vvp, old_xmpp );
1644   vik_viewport_set_ympp ( vw->viking_vvp, old_ympp );
1645   vik_viewport_configure ( vw->viking_vvp );
1646   draw_update ( vw );
1647
1648   g_free ( name_of_file );
1649 }
1650
1651 static void draw_to_image_file_current_window_cb(GtkWidget* widget,GdkEventButton *event,gpointer *pass_along)
1652 {
1653   VikWindow *vw = VIK_WINDOW(pass_along[0]);
1654   GtkSpinButton *width_spin = GTK_SPIN_BUTTON(pass_along[1]), *height_spin = GTK_SPIN_BUTTON(pass_along[2]);
1655   GtkSpinButton *zoom_spin = GTK_SPIN_BUTTON(pass_along[3]);
1656   gdouble width_min, width_max, height_min, height_max;
1657   gint width, height;
1658
1659   gtk_spin_button_get_range ( width_spin, &width_min, &width_max );
1660   gtk_spin_button_get_range ( height_spin, &height_min, &height_max );
1661
1662   /* TODO: support for xzoom and yzoom values */
1663   width = vik_viewport_get_width ( vw->viking_vvp ) * vik_viewport_get_xmpp ( vw->viking_vvp ) / gtk_spin_button_get_value ( zoom_spin );
1664   height = vik_viewport_get_height ( vw->viking_vvp ) * vik_viewport_get_xmpp ( vw->viking_vvp ) / gtk_spin_button_get_value ( zoom_spin );
1665
1666   if ( width > width_max || width < width_min || height > height_max || height < height_min )
1667     a_dialog_info_msg ( GTK_WINDOW(vw), _("Viewable region outside allowable pixel size bounds for image. Clipping width/height values.") );
1668
1669   gtk_spin_button_set_value ( width_spin, width );
1670   gtk_spin_button_set_value ( height_spin, height );
1671 }
1672
1673 static void draw_to_image_file_total_area_cb (GtkSpinButton *spinbutton, gpointer *pass_along)
1674 {
1675   GtkSpinButton *width_spin = GTK_SPIN_BUTTON(pass_along[1]), *height_spin = GTK_SPIN_BUTTON(pass_along[2]);
1676   GtkSpinButton *zoom_spin = GTK_SPIN_BUTTON(pass_along[3]);
1677   gchar *label_text;
1678   gdouble w, h;
1679   w = gtk_spin_button_get_value(width_spin) * gtk_spin_button_get_value(zoom_spin);
1680   h = gtk_spin_button_get_value(height_spin) * gtk_spin_button_get_value(zoom_spin);
1681   if (pass_along[4]) /* save many images; find TOTAL area covered */
1682   {
1683     w *= gtk_spin_button_get_value(GTK_SPIN_BUTTON(pass_along[4]));
1684     h *= gtk_spin_button_get_value(GTK_SPIN_BUTTON(pass_along[5]));
1685   }
1686   label_text = g_strdup_printf ( _("Total area: %ldm x %ldm (%.3f sq. km)"), (glong)w, (glong)h, (w*h/1000000));
1687   gtk_label_set_text(GTK_LABEL(pass_along[6]), label_text);
1688   g_free ( label_text );
1689 }
1690
1691 static void draw_to_image_file ( VikWindow *vw, const gchar *fn, gboolean one_image_only )
1692 {
1693   /* todo: default for answers inside VikWindow or static (thruout instance) */
1694   GtkWidget *dialog = gtk_dialog_new_with_buttons ( _("Save to Image File"), GTK_WINDOW(vw),
1695                                                   GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
1696                                                   GTK_STOCK_CANCEL,
1697                                                   GTK_RESPONSE_REJECT,
1698                                                   GTK_STOCK_OK,
1699                                                   GTK_RESPONSE_ACCEPT,
1700                                                   NULL );
1701   GtkWidget *width_label, *width_spin, *height_label, *height_spin;
1702   GtkWidget *png_radio, *jpeg_radio;
1703   GtkWidget *current_window_button;
1704   gpointer current_window_pass_along[7];
1705   GtkWidget *zoom_label, *zoom_spin;
1706   GtkWidget *total_size_label;
1707
1708   /* only used if (!one_image_only) */
1709   GtkWidget *tiles_width_spin = NULL, *tiles_height_spin = NULL;
1710
1711
1712   width_label = gtk_label_new ( _("Width (pixels):") );
1713   width_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new ( vw->draw_image_width, 10, 5000, 10, 100, 0 )), 10, 0 );
1714   height_label = gtk_label_new ( _("Height (pixels):") );
1715   height_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new ( vw->draw_image_height, 10, 5000, 10, 100, 0 )), 10, 0 );
1716
1717   zoom_label = gtk_label_new ( _("Zoom (meters per pixel):") );
1718   /* TODO: separate xzoom and yzoom factors */
1719   zoom_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new ( vik_viewport_get_xmpp(vw->viking_vvp), VIK_VIEWPORT_MIN_ZOOM, VIK_VIEWPORT_MAX_ZOOM/2.0, 1, 100, 3 )), 16, 3);
1720
1721   total_size_label = gtk_label_new ( NULL );
1722
1723   current_window_button = gtk_button_new_with_label ( _("Area in current viewable window") );
1724   current_window_pass_along [0] = vw;
1725   current_window_pass_along [1] = width_spin;
1726   current_window_pass_along [2] = height_spin;
1727   current_window_pass_along [3] = zoom_spin;
1728   current_window_pass_along [4] = NULL; /* used for one_image_only != 1 */
1729   current_window_pass_along [5] = NULL;
1730   current_window_pass_along [6] = total_size_label;
1731   g_signal_connect ( G_OBJECT(current_window_button), "button_press_event", G_CALLBACK(draw_to_image_file_current_window_cb), current_window_pass_along );
1732
1733   png_radio = gtk_radio_button_new_with_label ( NULL, _("Save as PNG") );
1734   jpeg_radio = gtk_radio_button_new_with_label_from_widget ( GTK_RADIO_BUTTON(png_radio), _("Save as JPEG") );
1735
1736   if ( ! vw->draw_image_save_as_png )
1737     gtk_toggle_button_set_active ( GTK_TOGGLE_BUTTON(jpeg_radio), TRUE );
1738
1739   gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), width_label, FALSE, FALSE, 0);
1740   gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), width_spin, FALSE, FALSE, 0);
1741   gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), height_label, FALSE, FALSE, 0);
1742   gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), height_spin, FALSE, FALSE, 0);
1743   gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), current_window_button, FALSE, FALSE, 0);
1744   gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), png_radio, FALSE, FALSE, 0);
1745   gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), jpeg_radio, FALSE, FALSE, 0);
1746   gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), zoom_label, FALSE, FALSE, 0);
1747   gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), zoom_spin, FALSE, FALSE, 0);
1748
1749   if ( ! one_image_only )
1750   {
1751     GtkWidget *tiles_width_label, *tiles_height_label;
1752
1753
1754     tiles_width_label = gtk_label_new ( _("East-west image tiles:") );
1755     tiles_width_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new ( 5, 1, 10, 1, 100, 0 )), 1, 0 );
1756     tiles_height_label = gtk_label_new ( _("North-south image tiles:") );
1757     tiles_height_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new ( 5, 1, 10, 1, 100, 0 )), 1, 0 );
1758     gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), tiles_width_label, FALSE, FALSE, 0);
1759     gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), tiles_width_spin, FALSE, FALSE, 0);
1760     gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), tiles_height_label, FALSE, FALSE, 0);
1761     gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), tiles_height_spin, FALSE, FALSE, 0);
1762
1763     current_window_pass_along [4] = tiles_width_spin;
1764     current_window_pass_along [5] = tiles_height_spin;
1765     g_signal_connect ( G_OBJECT(tiles_width_spin), "value-changed", G_CALLBACK(draw_to_image_file_total_area_cb), current_window_pass_along );
1766     g_signal_connect ( G_OBJECT(tiles_height_spin), "value-changed", G_CALLBACK(draw_to_image_file_total_area_cb), current_window_pass_along );
1767   }
1768   gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), total_size_label, FALSE, FALSE, 0);
1769   g_signal_connect ( G_OBJECT(width_spin), "value-changed", G_CALLBACK(draw_to_image_file_total_area_cb), current_window_pass_along );
1770   g_signal_connect ( G_OBJECT(height_spin), "value-changed", G_CALLBACK(draw_to_image_file_total_area_cb), current_window_pass_along );
1771   g_signal_connect ( G_OBJECT(zoom_spin), "value-changed", G_CALLBACK(draw_to_image_file_total_area_cb), current_window_pass_along );
1772
1773   draw_to_image_file_total_area_cb ( NULL, current_window_pass_along ); /* set correct size info now */
1774
1775   gtk_widget_show_all ( GTK_DIALOG(dialog)->vbox );
1776
1777   if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) == GTK_RESPONSE_ACCEPT )
1778   {
1779     gtk_widget_hide ( GTK_WIDGET(dialog) );
1780     if ( one_image_only )
1781       save_image_file ( vw, fn,
1782                       vw->draw_image_width = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(width_spin) ),
1783                       vw->draw_image_height = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(height_spin) ),
1784                       gtk_spin_button_get_value ( GTK_SPIN_BUTTON(zoom_spin) ), /* do not save this value, default is current zoom */
1785                       vw->draw_image_save_as_png = gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON(png_radio) ) );
1786     else {
1787       if ( vik_viewport_get_coord_mode(vw->viking_vvp) == VIK_COORD_UTM )
1788         save_image_dir ( vw, fn,
1789                        vw->draw_image_width = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(width_spin) ),
1790                        vw->draw_image_height = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(height_spin) ),
1791                        gtk_spin_button_get_value ( GTK_SPIN_BUTTON(zoom_spin) ), /* do not save this value, default is current zoom */
1792                        vw->draw_image_save_as_png = gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON(png_radio) ),
1793                        gtk_spin_button_get_value ( GTK_SPIN_BUTTON(tiles_width_spin) ),
1794                        gtk_spin_button_get_value ( GTK_SPIN_BUTTON(tiles_height_spin) ) );
1795       else
1796         a_dialog_error_msg ( GTK_WINDOW(vw), _("You must be in UTM mode to use this feature") );
1797     }
1798   }
1799   gtk_widget_destroy ( GTK_WIDGET(dialog) );
1800 }
1801
1802
1803 static void draw_to_image_file_cb ( GtkAction *a, VikWindow *vw )
1804 {
1805   const gchar *fn;
1806   if (!vw->save_img_dia) {
1807     vw->save_img_dia = gtk_file_chooser_dialog_new (_("Save Image"),
1808                                       GTK_WINDOW(vw),
1809                                       GTK_FILE_CHOOSER_ACTION_SAVE,
1810                                       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
1811                                       GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
1812                                       NULL);
1813     gtk_window_set_transient_for ( GTK_WINDOW(vw->save_img_dia), GTK_WINDOW(vw) );
1814     gtk_window_set_destroy_with_parent ( GTK_WINDOW(vw->save_img_dia), TRUE );
1815   }
1816
1817   while ( gtk_dialog_run ( GTK_DIALOG(vw->save_img_dia) ) == GTK_RESPONSE_ACCEPT )
1818   {
1819     fn = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(vw->save_img_dia) );
1820     if ( g_file_test ( fn, G_FILE_TEST_EXISTS ) == FALSE || a_dialog_overwrite ( GTK_WINDOW(vw->save_img_dia), _("The file \"%s\" exists, do you wish to overwrite it?"), a_file_basename ( fn ) ) )
1821     {
1822       draw_to_image_file ( vw, fn, TRUE );
1823       break;
1824     }
1825   }
1826   gtk_widget_hide ( vw->save_img_dia );
1827 }
1828
1829 static void draw_to_image_dir_cb ( GtkAction *a, VikWindow *vw )
1830 {
1831   gchar *fn = NULL;
1832
1833   if (!vw->save_img_dir_dia) {
1834     vw->save_img_dir_dia = gtk_file_chooser_dialog_new (_("Choose a directory to hold images"),
1835                                       GTK_WINDOW(vw),
1836                                       GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
1837                                       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
1838                                       GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
1839                                       NULL);
1840     gtk_window_set_transient_for ( GTK_WINDOW(vw->save_img_dir_dia), GTK_WINDOW(vw) );
1841     gtk_window_set_destroy_with_parent ( GTK_WINDOW(vw->save_img_dir_dia), TRUE );
1842   }
1843
1844   while ( gtk_dialog_run ( GTK_DIALOG(vw->save_img_dir_dia) ) == GTK_RESPONSE_ACCEPT )
1845   {
1846     fn = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(vw->save_img_dir_dia) );
1847     if ( fn )
1848     {
1849       draw_to_image_file ( vw, fn, FALSE );
1850       g_free(fn);
1851       fn = NULL;
1852       break;
1853     }
1854   }
1855   gtk_widget_hide ( vw->save_img_dir_dia );
1856 }
1857
1858 #if GTK_CHECK_VERSION(2,10,0)
1859 static void print_cb ( GtkAction *a, VikWindow *vw )
1860 {
1861   a_print(vw, vw->viking_vvp);
1862 }
1863 #endif
1864
1865 /* really a misnomer: changes coord mode (actual coordinates) AND/OR draw mode (viewport only) */
1866 static void window_change_coord_mode_cb ( GtkAction *old_a, GtkAction *a, VikWindow *vw )
1867 {
1868   VikViewportDrawMode drawmode;
1869   if (!strcmp(gtk_action_get_name(a), "ModeUTM")) {
1870     drawmode = VIK_VIEWPORT_DRAWMODE_UTM;
1871   }
1872   else if (!strcmp(gtk_action_get_name(a), "ModeExpedia")) {
1873     drawmode = VIK_VIEWPORT_DRAWMODE_EXPEDIA;
1874   }
1875   else if (!strcmp(gtk_action_get_name(a), "ModeMercator")) {
1876     drawmode = VIK_VIEWPORT_DRAWMODE_MERCATOR;
1877   }
1878   else {
1879     g_critical("Houston, we've had a problem.");
1880     return;
1881   }
1882
1883   if ( !vw->only_updating_coord_mode_ui )
1884   {
1885     VikViewportDrawMode olddrawmode = vik_viewport_get_drawmode ( vw->viking_vvp );
1886     if ( olddrawmode != drawmode )
1887     {
1888       /* this takes care of coord mode too */
1889       vik_viewport_set_drawmode ( vw->viking_vvp, drawmode );
1890       if ( drawmode == VIK_VIEWPORT_DRAWMODE_UTM ) {
1891         vik_layers_panel_change_coord_mode ( vw->viking_vlp, VIK_COORD_UTM );
1892       } else if ( olddrawmode == VIK_VIEWPORT_DRAWMODE_UTM ) {
1893         vik_layers_panel_change_coord_mode ( vw->viking_vlp, VIK_COORD_LATLON );
1894       }
1895       draw_update ( vw );
1896     }
1897   }
1898 }
1899
1900 static void set_draw_scale ( GtkAction *a, VikWindow *vw )
1901 {
1902   GtkWidget *check_box = gtk_ui_manager_get_widget ( vw->uim, "/ui/MainMenu/View/ShowScale" );
1903   g_assert(check_box);
1904   gboolean state = gtk_check_menu_item_get_active ( GTK_CHECK_MENU_ITEM(check_box));
1905   vik_viewport_set_draw_scale ( vw->viking_vvp, state );
1906   draw_update ( vw );
1907 }
1908
1909 static void set_draw_centermark ( GtkAction *a, VikWindow *vw )
1910 {
1911   GtkWidget *check_box = gtk_ui_manager_get_widget ( vw->uim, "/ui/MainMenu/View/ShowCenterMark" );
1912   g_assert(check_box);
1913   gboolean state = gtk_check_menu_item_get_active ( GTK_CHECK_MENU_ITEM(check_box));
1914   vik_viewport_set_draw_centermark ( vw->viking_vvp, state );
1915   draw_update ( vw );
1916 }
1917
1918 static void set_bg_color ( GtkAction *a, VikWindow *vw )
1919 {
1920   GtkWidget *colorsd = gtk_color_selection_dialog_new ( _("Choose a background color") );
1921   GdkColor *color = vik_viewport_get_background_gdkcolor ( vw->viking_vvp );
1922   gtk_color_selection_set_previous_color ( GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(colorsd)->colorsel), color );
1923   gtk_color_selection_set_current_color ( GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(colorsd)->colorsel), color );
1924   if ( gtk_dialog_run ( GTK_DIALOG(colorsd) ) == GTK_RESPONSE_OK )
1925   {
1926     gtk_color_selection_get_current_color ( GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(colorsd)->colorsel), color );
1927     vik_viewport_set_background_gdkcolor ( vw->viking_vvp, color );
1928     draw_update ( vw );
1929   }
1930   g_free ( color );
1931   gtk_widget_destroy ( colorsd );
1932 }
1933
1934
1935
1936 /***********************************************************************************************
1937  ** GUI Creation
1938  ***********************************************************************************************/
1939
1940 static GtkActionEntry entries[] = {
1941   { "File", NULL, N_("_File"), 0, 0, 0 },
1942   { "Edit", NULL, N_("_Edit"), 0, 0, 0 },
1943   { "View", NULL, N_("_View"), 0, 0, 0 },
1944   { "SetZoom", NULL, N_("_Zoom"), 0, 0, 0 },
1945   { "SetPan", NULL, N_("_Pan"), 0, 0, 0 },
1946   { "Layers", NULL, N_("_Layers"), 0, 0, 0 },
1947   { "Tools", NULL, N_("_Tools"), 0, 0, 0 },
1948   { "Exttools", NULL, N_("_Webtools"), 0, 0, 0 },
1949   { "Help", NULL, N_("_Help"), 0, 0, 0 },
1950
1951   { "New",       GTK_STOCK_NEW,          N_("_New"),                          "<control>N", N_("New file"),                                     (GCallback)newwindow_cb          },
1952   { "Open",      GTK_STOCK_OPEN,         N_("_Open"),                         "<control>O", N_("Open a file"),                                  (GCallback)load_file             },
1953   { "Append",    GTK_STOCK_ADD,          N_("A_ppend File"),                  NULL,         N_("Append data from a different file"),            (GCallback)load_file             },
1954   { "Acquire", NULL, N_("A_cquire"), 0, 0, 0 },
1955   { "AcquireGPS",   NULL,                N_("From _GPS"),                 NULL,         N_("Transfer data from a GPS device"),              (GCallback)acquire_from_gps      },
1956   { "AcquireGoogle",   NULL,             N_("Google _Directions"),        NULL,         N_("Get driving directions from Google"),           (GCallback)acquire_from_google   },
1957 #ifdef VIK_CONFIG_GEOCACHES
1958   { "AcquireGC",   NULL,                 N_("Geo_caches"),                NULL,         N_("Get Geocaches from geocaching.com"),            (GCallback)acquire_from_gc       },
1959 #endif
1960   { "Save",      GTK_STOCK_SAVE,         N_("_Save"),                         "<control>S", N_("Save the file"),                                (GCallback)save_file             },
1961   { "SaveAs",    GTK_STOCK_SAVE_AS,      N_("Save _As"),                      NULL,         N_("Save the file under different name"),           (GCallback)save_file_as          },
1962   { "GenImg",    GTK_STOCK_CLEAR,        N_("_Generate Image File"),          NULL,         N_("Save a snapshot of the workspace into a file"), (GCallback)draw_to_image_file_cb },
1963   { "GenImgDir", GTK_STOCK_DND_MULTIPLE, N_("Generate _Directory of Images"), NULL,         N_("FIXME:IMGDIR"),                                 (GCallback)draw_to_image_dir_cb  },
1964
1965 #if GTK_CHECK_VERSION(2,10,0)
1966   { "Print",    GTK_STOCK_PRINT,        N_("_Print..."),          NULL,         N_("Print maps"), (GCallback)print_cb },
1967 #endif
1968
1969   { "Exit",      GTK_STOCK_QUIT,         N_("E_xit"),                         "<control>W", N_("Exit the program"),                             (GCallback)window_close          },
1970   { "SaveExit",  GTK_STOCK_QUIT,         N_("Save and Exit"),                 NULL, N_("Save and Exit the program"),                             (GCallback)save_file_and_exit          },
1971
1972   { "GotoSearch",   GTK_STOCK_JUMP_TO,                 N_("Go To location"),                      NULL,         N_("Go to address/place using text search"),            (GCallback)goto_address       },
1973   { "GotoLL",    GTK_STOCK_QUIT,         N_("_Go to Lat\\/Lon..."),           NULL,         N_("Go to arbitrary lat\\/lon coordinate"),         (GCallback)draw_goto_cb          },
1974   { "GotoUTM",   GTK_STOCK_QUIT,         N_("Go to UTM..."),                  NULL,         N_("Go to arbitrary UTM coordinate"),               (GCallback)draw_goto_cb          },
1975   { "SetBGColor",GTK_STOCK_SELECT_COLOR, N_("Set Background Color..."),       NULL,         NULL,                                           (GCallback)set_bg_color          },
1976   { "ZoomIn",    GTK_STOCK_ZOOM_IN,      N_("Zoom _In"),                   "<control>plus", NULL,                                           (GCallback)draw_zoom_cb          },
1977   { "ZoomOut",   GTK_STOCK_ZOOM_OUT,     N_("Zoom _Out"),                 "<control>minus", NULL,                                           (GCallback)draw_zoom_cb          },
1978   { "ZoomTo",    GTK_STOCK_ZOOM_FIT,     N_("Zoom _To"),               "<control>Z", NULL,                                           (GCallback)zoom_to_cb            },
1979   { "Zoom0.25",  NULL,                   N_("0.25"),                          NULL,         NULL,                                           (GCallback)draw_zoom_cb          },
1980   { "Zoom0.5",   NULL,                   N_("0.5"),                           NULL,         NULL,                                           (GCallback)draw_zoom_cb          },
1981   { "Zoom1",     NULL,                   N_("1"),                             NULL,         NULL,                                           (GCallback)draw_zoom_cb          },
1982   { "Zoom2",     NULL,                   N_("2"),                             NULL,         NULL,                                           (GCallback)draw_zoom_cb          },
1983   { "Zoom4",     NULL,                   N_("4"),                             NULL,         NULL,                                           (GCallback)draw_zoom_cb          },
1984   { "Zoom8",     NULL,                   N_("8"),                             NULL,         NULL,                                           (GCallback)draw_zoom_cb          },
1985   { "Zoom16",    NULL,                   N_("16"),                            NULL,         NULL,                                           (GCallback)draw_zoom_cb          },
1986   { "Zoom32",    NULL,                   N_("32"),                            NULL,         NULL,                                           (GCallback)draw_zoom_cb          },
1987   { "Zoom64",    NULL,                   N_("64"),                            NULL,         NULL,                                           (GCallback)draw_zoom_cb          },
1988   { "Zoom128",   NULL,                   N_("128"),                           NULL,         NULL,                                           (GCallback)draw_zoom_cb          },
1989   { "PanNorth",  NULL,                   N_("Pan North"),                  "<control>Up", NULL,                                           (GCallback)draw_pan_cb },
1990   { "PanEast",  NULL,                    N_("Pan East"),                   "<control>Right", NULL,                                           (GCallback)draw_pan_cb },
1991   { "PanSouth",  NULL,                   N_("Pan South"),                  "<control>Down", NULL,                                           (GCallback)draw_pan_cb },
1992   { "PanWest",  NULL,                    N_("Pan West"),                   "<control>Left", NULL,                                           (GCallback)draw_pan_cb },
1993   { "BGJobs",    GTK_STOCK_EXECUTE,      N_("Background _Jobs"),              NULL,         NULL,                                           (GCallback)a_background_show_window },
1994
1995   { "Cut",       GTK_STOCK_CUT,          N_("Cu_t"),                          NULL,         NULL,                                           (GCallback)menu_cut_layer_cb     },
1996   { "Copy",      GTK_STOCK_COPY,         N_("_Copy"),                         NULL,         NULL,                                           (GCallback)menu_copy_layer_cb    },
1997   { "Paste",     GTK_STOCK_PASTE,        N_("_Paste"),                        NULL,         NULL,                                           (GCallback)menu_paste_layer_cb   },
1998   { "Delete",    GTK_STOCK_DELETE,       N_("_Delete"),                       NULL,         NULL,                                           (GCallback)menu_delete_layer_cb  },
1999   { "DeleteAll", NULL,                   N_("Delete All"),                    NULL,         NULL,                                           (GCallback)clear_cb              },
2000   { "Preferences",GTK_STOCK_PREFERENCES, N_("_Preferences..."),                    NULL,         NULL,                                           (GCallback)preferences_cb              },
2001   { "Properties",GTK_STOCK_PROPERTIES,   N_("_Properties"),                   NULL,         NULL,                                           (GCallback)menu_properties_cb    },
2002
2003   { "About",     GTK_STOCK_ABOUT,        N_("_About"),                        NULL,         NULL,                                           (GCallback)help_about_cb    },
2004 };
2005
2006 /* Radio items */
2007 static GtkRadioActionEntry mode_entries[] = {
2008   { "ModeUTM",         NULL,         N_("_UTM Mode"),               "<control>u", NULL, 0 },
2009   { "ModeExpedia",     NULL,         N_("_Expedia Mode"),           "<control>e", NULL, 1 },
2010   { "ModeMercator",    NULL,         N_("_Google Mode"),            "<control>g", NULL, 4 }
2011 };
2012
2013 static GtkRadioActionEntry tool_entries[] = {
2014   { "Pan",      "vik-icon-pan",        N_("_Pan"),                         "<control><shift>P", N_("Pan Tool"),  0 },
2015   { "Zoom",      "vik-icon-zoom",        N_("_Zoom"),                         "<control><shift>Z", N_("Zoom Tool"),  1 },
2016   { "Ruler",     "vik-icon-ruler",       N_("_Ruler"),                        "<control><shift>R", N_("Ruler Tool"), 2 }
2017 };
2018
2019 static GtkToggleActionEntry toggle_entries[] = {
2020   { "ShowScale", NULL,                   N_("Show Scale"),                    NULL,         N_("Show Scale"),                                           (GCallback)set_draw_scale, TRUE   },
2021   { "ShowCenterMark", NULL,                   N_("Show Center Mark"),                    NULL,         N_("Show Center Mark"),                                           (GCallback)set_draw_centermark, TRUE   },
2022   { "FullScreen",    GTK_STOCK_FULLSCREEN,      N_("Full Screen"),                   "F11", N_("Activate full screen mode"),                                           (GCallback)full_screen_cb, FALSE },
2023   { "ViewSidePanel", GTK_STOCK_INDEX,   N_("Show Side Panel"),                   "F9",         N_("Show Side Panel"),                                           (GCallback)view_side_panel_cb, TRUE    },
2024 };
2025
2026 #include "menu.xml.h"
2027 static void window_create_ui( VikWindow *window )
2028 {
2029   GtkUIManager *uim;
2030   GtkActionGroup *action_group;
2031   GtkAccelGroup *accel_group;
2032   GError *error;
2033   guint i, j, mid;
2034   GtkIconFactory *icon_factory;
2035   GtkIconSet *icon_set;
2036   GtkRadioActionEntry *tools = NULL, *radio;
2037   guint ntools;
2038
2039   uim = gtk_ui_manager_new ();
2040   window->uim = uim;
2041
2042   toolbox_add_tool(window->vt, &ruler_tool, TOOL_LAYER_TYPE_NONE);
2043   toolbox_add_tool(window->vt, &zoom_tool, TOOL_LAYER_TYPE_NONE);
2044   toolbox_add_tool(window->vt, &pan_tool, TOOL_LAYER_TYPE_NONE);
2045
2046   error = NULL;
2047   if (!(mid = gtk_ui_manager_add_ui_from_string (uim, menu_xml, -1, &error))) {
2048     g_error_free (error);
2049     exit (1);
2050   }
2051
2052   action_group = gtk_action_group_new ("MenuActions");
2053   gtk_action_group_set_translation_domain(action_group, PACKAGE_NAME);
2054   gtk_action_group_add_actions (action_group, entries, G_N_ELEMENTS (entries), window);
2055   gtk_action_group_add_toggle_actions (action_group, toggle_entries, G_N_ELEMENTS (toggle_entries), window);
2056   gtk_action_group_add_radio_actions (action_group, mode_entries, G_N_ELEMENTS (mode_entries), 4, (GCallback)window_change_coord_mode_cb, window);
2057
2058   icon_factory = gtk_icon_factory_new ();
2059   gtk_icon_factory_add_default (icon_factory);
2060
2061   register_vik_icons(icon_factory);
2062
2063   ntools = 0;
2064   for (i=0; i<G_N_ELEMENTS(tool_entries); i++) {
2065       tools = g_renew(GtkRadioActionEntry, tools, ntools+1);
2066       radio = &tools[ntools];
2067       ntools++;
2068       *radio = tool_entries[i];
2069       radio->value = ntools;
2070   }
2071
2072   for (i=0; i<VIK_LAYER_NUM_TYPES; i++) {
2073     GtkActionEntry action;
2074     gtk_ui_manager_add_ui(uim, mid,  "/ui/MainMenu/Layers/",
2075                           vik_layer_get_interface(i)->name,
2076                           vik_layer_get_interface(i)->name,
2077                           GTK_UI_MANAGER_MENUITEM, FALSE);
2078
2079     icon_set = gtk_icon_set_new_from_pixbuf (gdk_pixbuf_from_pixdata (vik_layer_get_interface(i)->icon, FALSE, NULL ));
2080     gtk_icon_factory_add (icon_factory, vik_layer_get_interface(i)->name, icon_set);
2081     gtk_icon_set_unref (icon_set);
2082
2083     action.name = vik_layer_get_interface(i)->name;
2084     action.stock_id = vik_layer_get_interface(i)->name;
2085     action.label = g_strdup_printf( _("New %s Layer"), vik_layer_get_interface(i)->name);
2086     action.accelerator = NULL;
2087     action.tooltip = NULL;
2088     action.callback = (GCallback)menu_addlayer_cb;
2089     gtk_action_group_add_actions(action_group, &action, 1, window);
2090
2091     if ( vik_layer_get_interface(i)->tools_count ) {
2092       gtk_ui_manager_add_ui(uim, mid,  "/ui/MainMenu/Tools/", vik_layer_get_interface(i)->name, NULL, GTK_UI_MANAGER_SEPARATOR, FALSE);
2093       gtk_ui_manager_add_ui(uim, mid,  "/ui/MainToolbar/ToolItems/", vik_layer_get_interface(i)->name, NULL, GTK_UI_MANAGER_SEPARATOR, FALSE);
2094     }
2095
2096     for ( j = 0; j < vik_layer_get_interface(i)->tools_count; j++ ) {
2097       tools = g_renew(GtkRadioActionEntry, tools, ntools+1);
2098       radio = &tools[ntools];
2099       ntools++;
2100
2101       gtk_ui_manager_add_ui(uim, mid,  "/ui/MainMenu/Tools",
2102                             _(vik_layer_get_interface(i)->tools[j].name),
2103                             vik_layer_get_interface(i)->tools[j].name,
2104                             GTK_UI_MANAGER_MENUITEM, FALSE);
2105       gtk_ui_manager_add_ui(uim, mid,  "/ui/MainToolbar/ToolItems",
2106                             _(vik_layer_get_interface(i)->tools[j].name),
2107                             vik_layer_get_interface(i)->tools[j].name,
2108                             GTK_UI_MANAGER_TOOLITEM, FALSE);
2109
2110       toolbox_add_tool(window->vt, &(vik_layer_get_interface(i)->tools[j]), i);
2111
2112       radio->name = vik_layer_get_interface(i)->tools[j].name;
2113       radio->stock_id = vik_layer_get_interface(i)->tools[j].name,
2114       radio->label = _(vik_layer_get_interface(i)->tools[j].name);
2115       radio->accelerator = NULL;
2116       radio->tooltip = _(vik_layer_get_interface(i)->tools[j].name);
2117       radio->value = ntools;
2118     }
2119   }
2120   g_object_unref (icon_factory);
2121
2122   gtk_action_group_add_radio_actions(action_group, tools, ntools, 0, (GCallback)menu_tool_cb, window);
2123   g_free(tools);
2124
2125   gtk_ui_manager_insert_action_group (uim, action_group, 0);
2126
2127   for (i=0; i<VIK_LAYER_NUM_TYPES; i++) {
2128     for ( j = 0; j < vik_layer_get_interface(i)->tools_count; j++ ) {
2129       GtkAction *action = gtk_action_group_get_action(action_group,
2130                             vik_layer_get_interface(i)->tools[j].name);
2131       g_object_set(action, "sensitive", FALSE, NULL);
2132     }
2133   }
2134   window->action_group = action_group;
2135
2136   accel_group = gtk_ui_manager_get_accel_group (uim);
2137   gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);
2138   gtk_ui_manager_ensure_update (uim);
2139 }
2140
2141
2142
2143 static struct {
2144   const GdkPixdata *data;
2145   gchar *stock_id;
2146 } stock_icons[] = {
2147   { &begintr_18_pixbuf,         "Begin Track"      },
2148   { &iscissors_18_pixbuf,       "Magic Scissors"   },
2149   { &mover_22_pixbuf,           "vik-icon-pan"     },
2150   { &demdl_18_pixbuf,           "DEM Download/Import"     },
2151   { &showpic_18_pixbuf,         "Show Picture"      },
2152   { &addtr_18_pixbuf,           "Create Track"      },
2153   { &edtr_18_pixbuf,            "Edit Trackpoint"   },
2154   { &addwp_18_pixbuf,           "Create Waypoint"   },
2155   { &edwp_18_pixbuf,            "Edit Waypoint"     },
2156   { &zoom_18_pixbuf,            "vik-icon-zoom"     },
2157   { &ruler_18_pixbuf,           "vik-icon-ruler"    },
2158   { &geozoom_18_pixbuf,         "Georef Zoom Tool"  },
2159   { &geomove_18_pixbuf,         "Georef Move Map"   },
2160   { &mapdl_18_pixbuf,           "Maps Download"     },
2161   { &showpic_18_pixbuf,         "Show Picture"      },
2162 };
2163
2164 static gint n_stock_icons = G_N_ELEMENTS (stock_icons);
2165
2166 static void
2167 register_vik_icons (GtkIconFactory *icon_factory)
2168 {
2169   GtkIconSet *icon_set;
2170   gint i;
2171
2172   for (i = 0; i < n_stock_icons; i++) {
2173     icon_set = gtk_icon_set_new_from_pixbuf (gdk_pixbuf_from_pixdata (
2174                    stock_icons[i].data, FALSE, NULL ));
2175     gtk_icon_factory_add (icon_factory, stock_icons[i].stock_id, icon_set);
2176     gtk_icon_set_unref (icon_set);
2177   }
2178 }
2179