d7b8ac1702390150476d0249a7ef0e009cc54218
1 #define __SP_DESKTOP_WIDGET_C__
3 /** \file
4 * Desktop widget implementation
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 * MenTaLguY <mental@rydia.net>
9 * bulia byak <buliabyak@users.sf.net>
10 * Ralf Stephan <ralf@ark.in-berlin.de>
11 * John Bintz <jcoswell@coswellproductions.org>
12 * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
13 *
14 * Copyright (C) 2007 Johan Engelen
15 * Copyright (C) 2006 John Bintz
16 * Copyright (C) 2004 MenTaLguY
17 * Copyright (C) 1999-2002 Lauris Kaplinski
18 * Copyright (C) 2000-2001 Ximian, Inc.
19 *
20 * Released under GNU GPL, read the file 'COPYING' for more information
21 */
23 #ifdef HAVE_CONFIG_H
24 # include "config.h"
25 #endif
27 #include <gtkmm/paned.h>
28 #include <gtk/gtk.h>
30 #include "macros.h"
31 #include "inkscape-private.h"
32 #include "desktop-handles.h"
33 #include "desktop-events.h"
34 #include "document.h"
35 #include "desktop-widget.h"
36 #include "sp-namedview.h"
37 #include "interface.h"
38 #include "toolbox.h"
39 #include "prefs-utils.h"
40 #include "preferences.h"
41 #include "file.h"
42 #include "display/canvas-arena.h"
43 #include "display/nr-arena.h"
44 #include <extension/db.h>
45 #include "helper/units.h"
46 #include "widgets/button.h"
47 #include "widgets/ruler.h"
48 #include "widgets/widget-sizes.h"
49 #include "widgets/spw-utilities.h"
50 #include "widgets/spinbutton-events.h"
51 #include "widgets/layer-selector.h"
52 #include "ui/dialog/dialog-manager.h"
53 #include "ui/widget/dock.h"
54 #include "ui/widget/selected-style.h"
55 #include "sp-item.h"
56 #include "dialogs/swatches.h"
57 #include "conn-avoid-ref.h"
58 #include "ege-select-one-action.h"
59 #include "ege-color-prof-tracker.h"
60 #include "dom/util/digest.h"
61 #include "xml/node-observer.h"
63 #if defined (SOLARIS_2_8)
64 #include "round.h"
65 using Inkscape::round;
66 #endif
68 #ifdef WITH_INKBOARD
69 #endif
73 enum {
74 ACTIVATE,
75 DEACTIVATE,
76 MODIFIED,
77 EVENT_CONTEXT_CHANGED,
78 LAST_SIGNAL
79 };
82 //---------------------------------------------------------------------
83 /* SPDesktopWidget */
85 static void sp_desktop_widget_class_init (SPDesktopWidgetClass *klass);
86 static void sp_desktop_widget_init (SPDesktopWidget *widget);
87 static void sp_desktop_widget_destroy (GtkObject *object);
89 static void sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation);
90 static void sp_desktop_widget_realize (GtkWidget *widget);
92 static gint sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw);
94 static void sp_dtw_color_profile_event(EgeColorProfTracker *widget, SPDesktopWidget *dtw);
95 static void cms_adjust_toggled( GtkWidget *button, gpointer data );
96 static void sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw);
97 static void sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw);
99 static gdouble sp_dtw_zoom_value_to_display (gdouble value);
100 static gdouble sp_dtw_zoom_display_to_value (gdouble value);
101 static gint sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data);
102 static bool sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data);
103 static void sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data);
104 static void sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data);
105 static void sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor);
106 static void sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data);
107 static void sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data);
108 static void sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data);
109 static void sp_dtw_zoom_page (GtkMenuItem *item, gpointer data);
110 static void sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data);
111 static void sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data);
113 SPViewWidgetClass *dtw_parent_class;
115 using Inkscape::XML::Node;
117 class PrefWatcher : public Inkscape::XML::NodeObserver {
118 public:
119 PrefWatcher() :
120 NodeObserver(),
121 dtws()
122 {
123 }
125 virtual ~PrefWatcher();
128 virtual void notifyChildAdded( Node &/*node*/, Node &/*child*/, Node */*prev*/ ) {}
129 virtual void notifyChildRemoved( Node &/*node*/, Node &/*child*/, Node */*prev*/ ) {}
130 virtual void notifyChildOrderChanged( Node &/*node*/, Node &/*child*/,
131 Node */*old_prev*/, Node */*new_prev*/ ) {}
132 virtual void notifyContentChanged( Node &/*node*/,
133 Inkscape::Util::ptr_shared<char> /*old_content*/,
134 Inkscape::Util::ptr_shared<char> /*new_content*/ ) {}
135 virtual void notifyAttributeChanged( Node &node, GQuark name,
136 Inkscape::Util::ptr_shared<char> old_value,
137 Inkscape::Util::ptr_shared<char> new_value );
138 void add( SPDesktopWidget* dtw );
139 void remove( SPDesktopWidget* dtw );
141 private:
142 std::list<SPDesktopWidget*> dtws;
143 };
145 PrefWatcher::~PrefWatcher()
146 {
147 }
149 void PrefWatcher::add( SPDesktopWidget* dtw )
150 {
151 dtws.push_back(dtw);
152 }
154 void PrefWatcher::remove( SPDesktopWidget* dtw )
155 {
156 dtws.remove(dtw);
157 }
159 void PrefWatcher::notifyAttributeChanged( Node &node, GQuark name,
160 Inkscape::Util::ptr_shared<char> /*old_value*/,
161 Inkscape::Util::ptr_shared<char> /*new_value*/ )
162 {
163 #if ENABLE_LCMS
164 (void)name;
165 if ( strcmp("group", node.name()) == 0 ) {
166 gchar const* id = node.attribute("id");
167 bool refresh = false;
168 if ( !id ) {
169 // bad
170 } else if (strcmp("displayprofile", id) == 0) {
171 Glib::ustring current = prefs_get_string_attribute( "options.displayprofile", "uri" );
172 bool enabled = current.length() > 0;
174 for ( std::list<SPDesktopWidget*>::iterator it = dtws.begin(); it != dtws.end(); ++it ) {
175 SPDesktopWidget* dtw = *it;
176 if ( GTK_WIDGET_SENSITIVE( dtw->cms_adjust ) != enabled ) {
177 gtk_widget_set_sensitive( dtw->cms_adjust, enabled );
178 }
179 }
180 refresh = true;
181 } else if (strcmp("softproof", id) == 0) {
182 refresh = true;
183 }
185 if ( refresh ) {
186 for ( std::list<SPDesktopWidget*>::iterator it = dtws.begin(); it != dtws.end(); ++it ) {
187 (*it)->requestCanvasUpdate();
188 }
189 }
190 #else
191 (void)node;
192 (void)name;
193 (void)new_value;
194 #endif // ENABLE_LCMS
195 }
196 }
198 static PrefWatcher* watcher = 0;
200 void
201 SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
202 {
203 GtkLabel *sb=GTK_LABEL(this->select_status);
204 gtk_label_set_markup (sb, message ? message : "");
206 // make sure the important messages are displayed immediately!
207 if (type == Inkscape::IMMEDIATE_MESSAGE && GTK_WIDGET_DRAWABLE (GTK_WIDGET(sb))) {
208 gtk_widget_queue_draw(GTK_WIDGET(sb));
209 gdk_window_process_updates(GTK_WIDGET(sb)->window, TRUE);
210 }
212 // FIXME: TODO: remove <b></b> before displaying as tooltip
213 gtk_tooltips_set_tip (this->tt, this->select_status_eventbox, message ? message : "", NULL);
214 }
216 NR::Point
217 SPDesktopWidget::window_get_pointer()
218 {
219 gint x,y;
220 gdk_window_get_pointer (GTK_WIDGET (canvas)->window, &x, &y, NULL);
221 return NR::Point(x,y);
222 }
224 /**
225 * Registers SPDesktopWidget class and returns its type number.
226 */
227 GtkType
228 sp_desktop_widget_get_type (void)
229 {
230 static GtkType type = 0;
231 if (!type) {
232 static const GtkTypeInfo info = {
233 "SPDesktopWidget",
234 sizeof (SPDesktopWidget),
235 sizeof (SPDesktopWidgetClass),
236 (GtkClassInitFunc) sp_desktop_widget_class_init,
237 (GtkObjectInitFunc) sp_desktop_widget_init,
238 NULL, NULL, NULL
239 };
240 type = gtk_type_unique (SP_TYPE_VIEW_WIDGET, &info);
241 }
242 return type;
243 }
245 /**
246 * SPDesktopWidget vtable initialization
247 */
248 static void
249 sp_desktop_widget_class_init (SPDesktopWidgetClass *klass)
250 {
251 dtw_parent_class = (SPViewWidgetClass*)gtk_type_class (SP_TYPE_VIEW_WIDGET);
253 GtkObjectClass *object_class = (GtkObjectClass *) klass;
254 GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
256 object_class->destroy = sp_desktop_widget_destroy;
258 widget_class->size_allocate = sp_desktop_widget_size_allocate;
259 widget_class->realize = sp_desktop_widget_realize;
260 }
262 /**
263 * Callback for SPDesktopWidget object initialization.
264 */
265 static void
266 sp_desktop_widget_init (SPDesktopWidget *dtw)
267 {
268 GtkWidget *widget;
269 GtkWidget *tbl;
270 GtkWidget *canvas_tbl;
272 GtkWidget *hbox;
273 GtkWidget *eventbox;
274 GtkStyle *style;
276 new (&dtw->modified_connection) sigc::connection();
278 widget = GTK_WIDGET (dtw);
280 dtw->window = 0;
282 dtw->desktop = NULL;
284 dtw->_interaction_disabled_counter = 0;
286 dtw->tt = gtk_tooltips_new ();
288 /* Main table */
289 dtw->vbox = gtk_vbox_new (FALSE, 0);
290 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(dtw->vbox) );
292 dtw->statusbar = gtk_hbox_new (FALSE, 0);
293 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
294 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
296 {
297 using Inkscape::UI::Dialogs::SwatchesPanel;
299 SwatchesPanel* swatches = new SwatchesPanel("embedded.swatches");
300 swatches->setOrientation( Gtk::ANCHOR_SOUTH );
301 dtw->panels = GTK_WIDGET(swatches->gobj());
302 gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
303 }
305 hbox = gtk_hbox_new (FALSE, 0);
306 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
307 gtk_widget_show (hbox);
309 dtw->aux_toolbox = sp_aux_toolbox_new ();
310 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
312 dtw->commands_toolbox = sp_commands_toolbox_new ();
313 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
315 dtw->tool_toolbox = sp_tool_toolbox_new ();
316 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
318 tbl = gtk_table_new (2, 3, FALSE);
319 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
321 canvas_tbl = gtk_table_new (3, 3, FALSE);
323 /* Horizontal ruler */
324 eventbox = gtk_event_box_new ();
325 dtw->hruler = sp_hruler_new ();
326 dtw->hruler_box = eventbox;
327 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
328 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
329 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
330 gtk_table_attach (GTK_TABLE (canvas_tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
331 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
332 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
333 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
335 /* Vertical ruler */
336 eventbox = gtk_event_box_new ();
337 dtw->vruler = sp_vruler_new ();
338 dtw->vruler_box = eventbox;
339 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
340 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
341 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
342 gtk_table_attach (GTK_TABLE (canvas_tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
343 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
344 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
345 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
347 /* Horizontal scrollbar */
348 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
349 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
350 gtk_table_attach (GTK_TABLE (canvas_tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_SHRINK), 0, 0);
352 /* Vertical scrollbar and the sticky zoom button */
353 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
354 dtw->sticky_zoom = sp_button_new_from_data ( Inkscape::ICON_SIZE_DECORATION,
355 SP_BUTTON_TYPE_TOGGLE,
356 NULL,
357 "sticky_zoom",
358 _("Zoom drawing if window size changes"),
359 dtw->tt);
360 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
361 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
362 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
363 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
364 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
365 gtk_table_attach (GTK_TABLE (canvas_tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_SHRINK), (GtkAttachOptions)(GTK_FILL), 0, 0);
367 dtw->cms_adjust = sp_button_new_from_data( Inkscape::ICON_SIZE_DECORATION,
368 SP_BUTTON_TYPE_TOGGLE,
369 NULL,
370 "swatches",
371 _("Adjust the display"),
372 dtw->tt );
373 #if ENABLE_LCMS
374 {
375 Glib::ustring current = prefs_get_string_attribute( "options.displayprofile", "uri" );
376 bool enabled = current.length() > 0;
377 gtk_widget_set_sensitive( dtw->cms_adjust, enabled );
378 if ( enabled ) {
379 long long int active = prefs_get_int_attribute_limited( "options.displayprofile", "enable", 0, 0, 1 );
380 if ( active ) {
381 sp_button_toggle_set_down( SP_BUTTON(dtw->cms_adjust), TRUE );
382 }
383 }
384 }
385 g_signal_connect_after( G_OBJECT(dtw->cms_adjust), "clicked", G_CALLBACK(cms_adjust_toggled), dtw );
386 #else
387 gtk_widget_set_sensitive(dtw->cms_adjust, FALSE);
388 #endif // ENABLE_LCMS
389 gtk_table_attach( GTK_TABLE(canvas_tbl), dtw->cms_adjust, 2, 3, 2, 3, (GtkAttachOptions)(GTK_SHRINK), (GtkAttachOptions)(GTK_SHRINK), 0, 0);
390 {
391 Inkscape::XML::Node* prefs = Inkscape::Preferences::get();
392 if ( prefs ) {
393 if (!watcher) {
394 watcher = new PrefWatcher();
395 prefs->addSubtreeObserver( *watcher );
396 }
397 watcher->add(dtw);
398 } else {
399 g_warning("NULL preferences instance encountered");
400 }
401 }
403 /* Canvas */
404 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
405 #if ENABLE_LCMS
406 dtw->canvas->enable_cms_display_adj = prefs_get_int_attribute_limited( "options.displayprofile", "enable", 0, 0, 1 ) != 0;
407 #endif // ENABLE_LCMS
408 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
409 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
410 style->bg[GTK_STATE_NORMAL] = style->white;
411 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
412 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
413 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
414 gtk_table_attach (GTK_TABLE (canvas_tbl), GTK_WIDGET(dtw->canvas), 1, 2, 1, 2, (GtkAttachOptions)(GTK_FILL | GTK_EXPAND), (GtkAttachOptions)(GTK_FILL | GTK_EXPAND), 0, 0);
416 /* Dock */
417 bool create_dock =
418 prefs_get_int_attribute_limited ("options.dialogtype", "value", Inkscape::UI::Dialog::FLOATING, 0, 1) ==
419 Inkscape::UI::Dialog::DOCK;
421 if (create_dock) {
422 dtw->dock = new Inkscape::UI::Widget::Dock();
424 Gtk::HPaned *paned = new Gtk::HPaned();
425 paned->pack1(*Glib::wrap(canvas_tbl));
426 paned->pack2(dtw->dock->getWidget(), Gtk::FILL);
428 /* Prevent the paned from catching F6 and F8 by unsetting the default callbacks */
429 if (GtkPanedClass *paned_class = GTK_PANED_CLASS (G_OBJECT_GET_CLASS (paned->gobj()))) {
430 paned_class->cycle_child_focus = NULL;
431 paned_class->cycle_handle_focus = NULL;
432 }
434 gtk_table_attach (GTK_TABLE (tbl), GTK_WIDGET (paned->gobj()), 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL),
435 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
437 } else {
438 gtk_table_attach (GTK_TABLE (tbl), GTK_WIDGET (canvas_tbl), 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL),
439 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
440 }
442 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
443 GtkHBox *ss_ = dtw->selected_style->gobj();
444 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
445 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
447 // connect scrollbar signals
448 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
449 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
451 GtkWidget *statusbar_tail=gtk_statusbar_new();
452 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
453 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
455 // zoom status spinbutton
456 dtw->zoom_status = gtk_spin_button_new_with_range (log(SP_DESKTOP_ZOOM_MIN)/log(2), log(SP_DESKTOP_ZOOM_MAX)/log(2), 0.1);
457 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
458 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
459 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
460 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
461 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
462 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
463 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
464 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
465 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
466 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
467 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
468 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
470 // cursor coordinates
471 dtw->coord_status = gtk_table_new (5, 2, FALSE);
472 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
473 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
474 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
475 eventbox = gtk_event_box_new ();
476 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
477 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
478 GtkWidget *label_x = gtk_label_new("X:");
479 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
480 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
481 GtkWidget *label_y = gtk_label_new("Y:");
482 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
483 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
484 dtw->coord_status_x = gtk_label_new(NULL);
485 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_x), "<tt> 0.00 </tt>" );
486 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 1.0, 0.5);
487 dtw->coord_status_y = gtk_label_new(NULL);
488 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_y), "<tt> 0.00 </tt>" );
489 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 1.0, 0.5);
490 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
491 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
492 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
493 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
494 sp_set_font_size_smaller (dtw->coord_status);
495 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
497 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
498 // FIXME: need to unreference on container destruction to avoid leak
499 dtw->layer_selector->reference();
500 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
501 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
503 dtw->_tracker = ege_color_prof_tracker_new(GTK_WIDGET(dtw->layer_selector->gobj()));
504 g_signal_connect( G_OBJECT(dtw->_tracker), "changed", G_CALLBACK(sp_dtw_color_profile_event), dtw );
506 dtw->select_status_eventbox = gtk_event_box_new ();
507 dtw->select_status = gtk_label_new (NULL);
508 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
509 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
510 #endif
511 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
512 gtk_widget_set_size_request (dtw->select_status, 1, -1);
513 // display the initial welcome message in the statusbar
514 gtk_label_set_markup (GTK_LABEL (dtw->select_status), _("<b>Welcome to Inkscape!</b> Use shape or freehand tools to create objects; use selector (arrow) to move or transform them."));
515 // space label 2 pixels from left edge
516 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
517 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
518 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
520 gtk_widget_show_all (dtw->vbox);
521 }
523 /**
524 * Called before SPDesktopWidget destruction.
525 */
526 static void
527 sp_desktop_widget_destroy (GtkObject *object)
528 {
529 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
531 if (dtw->desktop) {
532 if ( watcher ) {
533 watcher->remove(dtw);
534 }
535 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_input), dtw);
536 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_output), dtw);
537 gtk_signal_disconnect_by_data (GTK_OBJECT (dtw->zoom_status), dtw->zoom_status);
538 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
539 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
540 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->canvas), (gpointer) G_CALLBACK (sp_desktop_widget_event), dtw);
542 dtw->layer_selector->unreference();
543 inkscape_remove_desktop (dtw->desktop); // clears selection too
544 dtw->modified_connection.disconnect();
545 dtw->desktop->destroy();
546 Inkscape::GC::release (dtw->desktop);
547 dtw->desktop = NULL;
548 }
550 dtw->modified_connection.~connection();
552 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
553 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
554 }
555 }
558 /**
559 * Set the title in the desktop-window (if desktop has an own window).
560 *
561 * The title has form file name: desktop number - Inkscape.
562 * The desktop number is only shown if it's 2 or higher,
563 */
564 void
565 SPDesktopWidget::updateTitle(gchar const* uri)
566 {
567 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
569 if (window) {
570 gchar const *fname = ( TRUE
571 ? uri
572 : g_basename(uri) );
573 GString *name = g_string_new ("");
574 if (this->desktop->number > 1) {
575 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
576 g_string_printf (name, _("%s: %d (outline) - Inkscape"), fname, this->desktop->number);
577 } else {
578 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
579 }
580 } else {
581 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
582 g_string_printf (name, _("%s (outline) - Inkscape"), fname);
583 } else {
584 g_string_printf (name, _("%s - Inkscape"), fname);
585 }
586 }
587 window->set_title (name->str);
588 g_string_free (name, TRUE);
589 }
590 }
592 Inkscape::UI::Widget::Dock*
593 SPDesktopWidget::getDock()
594 {
595 return dock;
596 }
598 /**
599 * Callback to allocate space for desktop widget.
600 */
601 static void
602 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
603 {
604 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
606 if ((allocation->x == widget->allocation.x) &&
607 (allocation->y == widget->allocation.y) &&
608 (allocation->width == widget->allocation.width) &&
609 (allocation->height == widget->allocation.height)) {
610 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
611 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
612 return;
613 }
615 if (GTK_WIDGET_REALIZED (widget)) {
616 NR::Rect const area = dtw->desktop->get_display_area();
617 double zoom = dtw->desktop->current_zoom();
619 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
620 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
621 }
623 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
624 /* Calculate zoom per pixel */
625 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
626 /* Find new visible area */
627 NR::Rect newarea = dtw->desktop->get_display_area();
628 /* Calculate adjusted zoom */
629 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
630 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
631 } else {
632 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
633 }
635 } else {
636 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
637 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
638 }
639 // this->size_allocate (widget, allocation);
640 }
641 }
643 /**
644 * Callback to realize desktop widget.
645 */
646 static void
647 sp_desktop_widget_realize (GtkWidget *widget)
648 {
650 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
652 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
653 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
655 NRRect d;
656 d.x0 = 0.0;
657 d.y0 = 0.0;
658 d.x1 = sp_document_width (dtw->desktop->doc());
659 d.y1 = sp_document_height (dtw->desktop->doc());
661 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
663 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
665 /* Listen on namedview modification */
666 // originally (prior to the sigc++ conversion) the signal was simply
667 // connected twice rather than disconnecting the first connection
668 dtw->modified_connection.disconnect();
669 dtw->modified_connection = dtw->desktop->namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
670 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
672 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
673 }
675 /**
676 * Callback to handle desktop widget event.
677 */
678 static gint
679 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
680 {
681 if (event->type == GDK_BUTTON_PRESS) {
682 // defocus any spinbuttons
683 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
684 }
686 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
687 if (event->button.state & GDK_SHIFT_MASK) {
688 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
689 } else {
690 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
691 }
692 }
694 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
695 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
696 } else {
697 // The keypress events need to be passed to desktop handler explicitly,
698 // because otherwise the event contexts only receive keypresses when the mouse cursor
699 // is over the canvas. This redirection is only done for keypresses and only if there's no
700 // current item on the canvas, because item events and all mouse events are caught
701 // and passed on by the canvas acetate (I think). --bb
702 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
703 return sp_desktop_root_handler (NULL, event, dtw->desktop);
704 }
705 }
707 return FALSE;
708 }
710 void sp_dtw_color_profile_event(EgeColorProfTracker *tracker, SPDesktopWidget */*dtw*/)
711 {
712 // Handle profile changes
713 Md5Digest digest;
714 unsigned char* buf = 0;
715 guint len = 0;
716 ege_color_prof_tracker_get_profile( tracker, reinterpret_cast<gpointer*>(&buf), &len );
717 if ( buf && len ) {
718 digest.append(buf, len);
719 }
720 std::string hash = digest.finishHex();
721 //g_message("ICC profile %d bytes at %p is [%s]", len, buf, hash.c_str() );
722 }
724 void cms_adjust_toggled( GtkWidget */*button*/, gpointer data )
725 {
726 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET(data);
728 bool down = SP_BUTTON_IS_DOWN(dtw->cms_adjust);
729 if ( down != dtw->canvas->enable_cms_display_adj ) {
730 dtw->canvas->enable_cms_display_adj = down;
731 dtw->requestCanvasUpdate();
732 prefs_set_int_attribute( "options.displayprofile", "enable", down ? 1 : 0 );
733 }
734 }
736 void
737 sp_dtw_desktop_activate (SPDesktopWidget */*dtw*/)
738 {
739 /* update active desktop indicator */
740 }
742 void
743 sp_dtw_desktop_deactivate (SPDesktopWidget */*dtw*/)
744 {
745 /* update inactive desktop indicator */
746 }
748 /**
749 * Shuts down the desktop object for the view being closed. It checks
750 * to see if the document has been edited, and if so prompts the user
751 * to save, discard, or cancel. Returns TRUE if the shutdown operation
752 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
753 */
754 bool
755 SPDesktopWidget::shutdown()
756 {
757 g_assert(desktop != NULL);
759 if (inkscape_is_sole_desktop_for_document(*desktop)) {
760 SPDocument *doc = desktop->doc();
761 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
762 GtkWidget *dialog;
764 /** \todo
765 * FIXME !!! obviously this will have problems if the document
766 * name contains markup characters
767 */
768 dialog = gtk_message_dialog_new_with_markup(
769 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
770 GTK_DIALOG_DESTROY_WITH_PARENT,
771 GTK_MESSAGE_WARNING,
772 GTK_BUTTONS_NONE,
773 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
774 "If you close without saving, your changes will be discarded."),
775 SP_DOCUMENT_NAME(doc));
776 // fix for bug 1767940:
777 GTK_WIDGET_UNSET_FLAGS(GTK_WIDGET(GTK_MESSAGE_DIALOG(dialog)->label), GTK_CAN_FOCUS);
779 GtkWidget *close_button;
780 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
781 gtk_widget_show(close_button);
782 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
784 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
785 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
786 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
788 gint response;
789 response = gtk_dialog_run(GTK_DIALOG(dialog));
790 gtk_widget_destroy(dialog);
792 switch (response) {
793 case GTK_RESPONSE_YES:
794 {
795 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
797 sp_document_ref(doc);
798 if (sp_file_save_document(*window, doc)) {
799 sp_document_unref(doc);
800 } else { // save dialog cancelled or save failed
801 sp_document_unref(doc);
802 return TRUE;
803 }
805 break;
806 }
807 case GTK_RESPONSE_NO:
808 break;
809 default: // cancel pressed, or dialog was closed
810 return TRUE;
811 break;
812 }
813 }
814 /* Code to check data loss */
815 bool allow_data_loss = FALSE;
816 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
817 GtkWidget *dialog;
819 /** \todo
820 * FIXME !!! obviously this will have problems if the document
821 * name contains markup characters
822 */
823 dialog = gtk_message_dialog_new_with_markup(
824 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
825 GTK_DIALOG_DESTROY_WITH_PARENT,
826 GTK_MESSAGE_WARNING,
827 GTK_BUTTONS_NONE,
828 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
829 "Do you want to save this file in another format?"),
830 SP_DOCUMENT_NAME(doc),
831 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
832 // fix for bug 1767940:
833 GTK_WIDGET_UNSET_FLAGS(GTK_WIDGET(GTK_MESSAGE_DIALOG(dialog)->label), GTK_CAN_FOCUS);
835 GtkWidget *close_button;
836 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
837 gtk_widget_show(close_button);
838 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
840 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
841 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
842 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
844 gint response;
845 response = gtk_dialog_run(GTK_DIALOG(dialog));
846 gtk_widget_destroy(dialog);
848 switch (response) {
849 case GTK_RESPONSE_YES:
850 {
851 sp_document_ref(doc);
853 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
855 if (sp_file_save_dialog(*window, doc)) {
856 sp_document_unref(doc);
857 } else { // save dialog cancelled or save failed
858 sp_document_unref(doc);
859 return TRUE;
860 }
862 break;
863 }
864 case GTK_RESPONSE_NO:
865 allow_data_loss = TRUE;
866 break;
867 default: // cancel pressed, or dialog was closed
868 return TRUE;
869 break;
870 }
871 }
872 }
874 /* Save window geometry to prefs for use as a default.
875 * Use depends on setting of "options.savewindowgeometry".
876 * But we save the info here regardless of the setting.
877 */
878 {
879 gint full = desktop->is_fullscreen() ? 1 : 0;
880 gint maxed = desktop->is_maximized() ? 1 : 0;
881 prefs_set_int_attribute("desktop.geometry", "fullscreen", full);
882 prefs_set_int_attribute("desktop.geometry", "maximized", maxed);
883 gint w, h, x, y;
884 desktop->getWindowGeometry(x, y, w, h);
885 // Don't save geom for maximized windows. It
886 // just tells you the current maximized size, which is not
887 // as useful as whatever value it had previously.
888 if (!maxed && !full) {
889 prefs_set_int_attribute("desktop.geometry", "width", w);
890 prefs_set_int_attribute("desktop.geometry", "height", h);
891 prefs_set_int_attribute("desktop.geometry", "x", x);
892 prefs_set_int_attribute("desktop.geometry", "y", y);
893 }
894 }
896 return FALSE;
897 }
899 /**
900 * \pre this->desktop->main != 0
901 */
902 void
903 SPDesktopWidget::requestCanvasUpdate() {
904 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
905 }
907 void
908 SPDesktopWidget::requestCanvasUpdateAndWait() {
909 requestCanvasUpdate();
911 while (gtk_events_pending())
912 gtk_main_iteration_do(FALSE);
914 }
916 void
917 SPDesktopWidget::enableInteraction()
918 {
919 g_return_if_fail(_interaction_disabled_counter > 0);
921 _interaction_disabled_counter--;
923 if (_interaction_disabled_counter == 0) {
924 gtk_widget_set_sensitive(GTK_WIDGET(this), TRUE);
925 }
926 }
928 void
929 SPDesktopWidget::disableInteraction()
930 {
931 if (_interaction_disabled_counter == 0) {
932 gtk_widget_set_sensitive(GTK_WIDGET(this), FALSE);
933 }
935 _interaction_disabled_counter++;
936 }
938 void
939 SPDesktopWidget::setCoordinateStatus(NR::Point p)
940 {
941 gchar *cstr;
942 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::X]);
943 gtk_label_set_markup( GTK_LABEL(this->coord_status_x), cstr );
944 g_free(cstr);
946 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::Y]);
947 gtk_label_set_markup( GTK_LABEL(this->coord_status_y), cstr );
948 g_free(cstr);
949 }
951 void
952 SPDesktopWidget::letZoomGrabFocus()
953 {
954 if (zoom_status)
955 gtk_widget_grab_focus (zoom_status);
956 }
958 void
959 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
960 {
961 gboolean vis = GTK_WIDGET_VISIBLE (this);
962 (void)vis; // TODO figure out why it is here but not used.
964 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
966 if (window)
967 {
968 window->get_size (w, h);
969 window->get_position (x, y);
970 }
971 }
973 void
974 SPDesktopWidget::setWindowPosition (NR::Point p)
975 {
976 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
978 if (window)
979 {
980 window->move (gint(round(p[NR::X])), gint(round(p[NR::Y])));
981 }
982 }
984 void
985 SPDesktopWidget::setWindowSize (gint w, gint h)
986 {
987 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
989 if (window)
990 {
991 window->set_default_size (w, h);
992 window->reshow_with_initial_size ();
993 }
994 }
996 /**
997 * \note transientizing does not work on windows; when you minimize a document
998 * and then open it back, only its transient emerges and you cannot access
999 * the document window. The document window must be restored by rightclicking
1000 * the taskbar button and pressing "Restore"
1001 */
1002 void
1003 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
1004 {
1005 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
1006 if (w)
1007 {
1008 gtk_window_set_transient_for (GTK_WINDOW(p), w);
1010 /*
1011 * This enables "aggressive" transientization,
1012 * i.e. dialogs always emerging on top when you switch documents. Note
1013 * however that this breaks "click to raise" policy of a window
1014 * manager because the switched-to document will be raised at once
1015 * (so that its transients also could raise)
1016 */
1017 if (transient_policy == 2)
1019 // without this, a transient window not always emerges on top
1020 gtk_window_present (w);
1021 }
1022 }
1024 void
1025 SPDesktopWidget::presentWindow()
1026 {
1027 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
1028 if (w)
1029 gtk_window_present (w);
1030 }
1032 bool
1033 SPDesktopWidget::warnDialog (gchar* text)
1034 {
1035 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
1036 if (w)
1037 {
1038 GtkWidget *dialog = gtk_message_dialog_new(
1039 w,
1040 GTK_DIALOG_DESTROY_WITH_PARENT,
1041 GTK_MESSAGE_WARNING,
1042 GTK_BUTTONS_YES_NO,
1043 "%s", text);
1044 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
1045 gtk_widget_destroy(dialog);
1046 if (response == GTK_RESPONSE_YES)
1047 return true;
1048 }
1049 return false;
1050 }
1052 void
1053 sp_desktop_widget_iconify(SPDesktopWidget *dtw)
1054 {
1055 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
1056 if (GTK_IS_WINDOW(topw)) {
1057 if (dtw->desktop->is_iconified()) {
1058 gtk_window_deiconify(topw);
1059 } else {
1060 gtk_window_iconify(topw);
1061 }
1062 }
1063 }
1065 void
1066 sp_desktop_widget_maximize(SPDesktopWidget *dtw)
1067 {
1068 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
1069 if (GTK_IS_WINDOW(topw)) {
1070 if (dtw->desktop->is_maximized()) {
1071 gtk_window_unmaximize(topw);
1072 } else {
1073 // Save geometry to prefs before maximizing so that
1074 // something useful is stored there, because GTK doesn't maintain
1075 // a separate non-maximized size.
1076 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_fullscreen())
1077 {
1078 gint w, h, x, y;
1079 dtw->getWindowGeometry(x, y, w, h);
1080 prefs_set_int_attribute("desktop.geometry", "width", w);
1081 prefs_set_int_attribute("desktop.geometry", "height", h);
1082 prefs_set_int_attribute("desktop.geometry", "x", x);
1083 prefs_set_int_attribute("desktop.geometry", "y", y);
1084 }
1085 gtk_window_maximize(topw);
1086 }
1087 }
1088 }
1090 void
1091 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
1092 {
1093 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
1094 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
1095 if (GTK_IS_WINDOW(topw)) {
1096 if (dtw->desktop->is_fullscreen()) {
1097 gtk_window_unfullscreen(topw);
1098 // widget layout is triggered by the resulting window_state_event
1099 } else {
1100 // Save geometry to prefs before maximizing so that
1101 // something useful is stored there, because GTK doesn't maintain
1102 // a separate non-maximized size.
1103 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_maximized())
1104 {
1105 gint w, h, x, y;
1106 dtw->getWindowGeometry(x, y, w, h);
1107 prefs_set_int_attribute("desktop.geometry", "width", w);
1108 prefs_set_int_attribute("desktop.geometry", "height", h);
1109 prefs_set_int_attribute("desktop.geometry", "x", x);
1110 prefs_set_int_attribute("desktop.geometry", "y", y);
1111 }
1112 gtk_window_fullscreen(topw);
1113 // widget layout is triggered by the resulting window_state_event
1114 }
1115 }
1116 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
1117 }
1119 /**
1120 * Hide whatever the user does not want to see in the window
1121 */
1122 void
1123 sp_desktop_widget_layout (SPDesktopWidget *dtw)
1124 {
1125 bool fullscreen = dtw->desktop->is_fullscreen();
1127 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
1128 gtk_widget_hide_all (dtw->menubar);
1129 } else {
1130 gtk_widget_show_all (dtw->menubar);
1131 }
1133 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
1134 gtk_widget_hide_all (dtw->commands_toolbox);
1135 } else {
1136 gtk_widget_show_all (dtw->commands_toolbox);
1137 }
1139 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
1140 gtk_widget_hide_all (dtw->aux_toolbox);
1141 } else {
1142 // we cannot just show_all because that will show all tools' panels;
1143 // this is a function from toolbox.cpp that shows only the current tool's panel
1144 show_aux_toolbox (dtw->aux_toolbox);
1145 }
1147 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
1148 gtk_widget_hide_all (dtw->tool_toolbox);
1149 } else {
1150 gtk_widget_show_all (dtw->tool_toolbox);
1151 }
1153 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
1154 gtk_widget_hide_all (dtw->statusbar);
1155 } else {
1156 gtk_widget_show_all (dtw->statusbar);
1157 }
1159 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
1160 gtk_widget_hide_all( dtw->panels );
1161 } else {
1162 gtk_widget_show_all( dtw->panels );
1163 }
1165 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
1166 gtk_widget_hide_all (dtw->hscrollbar);
1167 gtk_widget_hide_all (dtw->vscrollbar_box);
1168 gtk_widget_hide_all( dtw->cms_adjust );
1169 } else {
1170 gtk_widget_show_all (dtw->hscrollbar);
1171 gtk_widget_show_all (dtw->vscrollbar_box);
1172 gtk_widget_show_all( dtw->cms_adjust );
1173 }
1175 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
1176 gtk_widget_hide_all (dtw->hruler);
1177 gtk_widget_hide_all (dtw->vruler);
1178 } else {
1179 gtk_widget_show_all (dtw->hruler);
1180 gtk_widget_show_all (dtw->vruler);
1181 }
1182 }
1184 void
1185 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
1186 {
1187 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
1188 if (hb && GTK_IS_WIDGET(hb))
1189 {
1190 gtk_widget_grab_focus(GTK_WIDGET(hb));
1191 }
1192 }
1194 void
1195 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
1196 {
1197 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
1198 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
1199 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
1200 gtk_adjustment_set_value (a, value);
1201 }
1202 }
1204 void
1205 SPDesktopWidget::setToolboxSelectOneValue (gchar const *id, int value)
1206 {
1207 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
1208 if (hb) {
1209 ege_select_one_action_set_active((EgeSelectOneAction*) hb, value);
1210 }
1211 }
1214 bool
1215 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
1216 {
1217 bool isActive = false;
1218 gpointer thing = sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
1219 if ( !thing ) {
1220 //g_message( "Unable to locate item for {%s}", id );
1221 } else if ( GTK_IS_TOGGLE_BUTTON(thing) ) {
1222 GtkToggleButton *b = GTK_TOGGLE_BUTTON(thing);
1223 isActive = gtk_toggle_button_get_active( b ) != 0;
1224 } else if ( GTK_IS_TOGGLE_ACTION(thing) ) {
1225 GtkToggleAction* act = GTK_TOGGLE_ACTION(thing);
1226 isActive = gtk_toggle_action_get_active( act ) != 0;
1227 } else {
1228 //g_message( "Item for {%s} is of an unsupported type", id );
1229 }
1231 return isActive;
1232 }
1234 SPViewWidget *
1235 sp_desktop_widget_new (SPNamedView *namedview)
1236 {
1237 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
1239 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
1241 dtw->ruler_origin = NR::Point(0,0); //namedview->gridorigin; Why was the grid origin used here?
1243 dtw->desktop = new SPDesktop();
1244 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
1245 dtw->desktop->registerEditWidget (dtw->stub);
1246 dtw->desktop->init (namedview, dtw->canvas);
1247 inkscape_add_desktop (dtw->desktop);
1249 // Add the shape geometry to libavoid for autorouting connectors.
1250 // This needs desktop set for its spacing preferences.
1251 init_avoided_shape_geometry(dtw->desktop);
1253 dtw->selected_style->setDesktop(dtw->desktop);
1255 /* Once desktop is set, we can update rulers */
1256 sp_desktop_widget_update_rulers (dtw);
1258 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
1260 /* Listen on namedview modification */
1261 dtw->modified_connection = namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
1263 dtw->layer_selector->setDesktop(dtw->desktop);
1265 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
1266 gtk_widget_show_all (dtw->menubar);
1267 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
1269 sp_desktop_widget_layout (dtw);
1271 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
1272 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
1273 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
1275 return SP_VIEW_WIDGET (dtw);
1276 }
1278 void
1279 SPDesktopWidget::viewSetPosition (NR::Point p)
1280 {
1281 NR::Point const origin = ( p - ruler_origin );
1283 /// \todo fixme:
1284 GTK_RULER(hruler)->position = origin[NR::X];
1285 gtk_ruler_draw_pos (GTK_RULER (hruler));
1286 GTK_RULER(vruler)->position = origin[NR::Y];
1287 gtk_ruler_draw_pos (GTK_RULER (vruler));
1288 }
1290 void
1291 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
1292 {
1293 NR::Rect const viewbox = dtw->canvas->getViewbox();
1294 double const scale = dtw->desktop->current_zoom();
1295 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
1296 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
1297 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
1298 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1299 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1300 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
1301 }
1304 static void
1305 sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw)
1306 {
1307 SPNamedView *nv=SP_NAMEDVIEW(obj);
1308 if (flags & SP_OBJECT_MODIFIED_FLAG) {
1309 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
1310 dtw->ruler_origin = NR::Point(0,0); //nv->gridorigin; Why was the grid origin used here?
1312 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
1313 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
1315 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1316 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1318 sp_desktop_widget_update_rulers (dtw);
1319 }
1320 }
1322 static void
1323 sp_desktop_widget_adjustment_value_changed (GtkAdjustment */*adj*/, SPDesktopWidget *dtw)
1324 {
1325 if (dtw->update)
1326 return;
1328 dtw->update = 1;
1330 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
1331 sp_desktop_widget_update_rulers (dtw);
1333 dtw->update = 0;
1334 }
1336 /* we make the desktop window with focus active, signal is connected in interface.c */
1337 bool SPDesktopWidget::onFocusInEvent(GdkEventFocus*)
1338 {
1339 inkscape_activate_desktop (desktop);
1341 return false;
1342 }
1344 static gdouble
1345 sp_dtw_zoom_value_to_display (gdouble value)
1346 {
1347 return floor (10 * (pow (2, value) * 100.0 + 0.05)) / 10;
1348 }
1350 static gdouble
1351 sp_dtw_zoom_display_to_value (gdouble value)
1352 {
1353 return log (value / 100.0) / log (2);
1354 }
1356 static gint
1357 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer /*data*/)
1358 {
1359 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1360 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1361 gdouble new_typed = atof (b);
1363 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1364 *new_val = new_scrolled;
1365 } else { // the new value is typed in
1366 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1367 }
1369 return TRUE;
1370 }
1372 static bool
1373 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer /*data*/)
1374 {
1375 gchar b[64];
1376 double val = sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin));
1377 if (val < 10) {
1378 g_snprintf (b, 64, "%4.1f%%", val);
1379 } else {
1380 g_snprintf (b, 64, "%4.0f%%", val);
1381 }
1382 gtk_entry_set_text (GTK_ENTRY (spin), b);
1383 return TRUE;
1384 }
1386 static void
1387 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1388 {
1389 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1391 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1392 SPDesktop *desktop = dtw->desktop;
1394 NR::Rect const d = desktop->get_display_area();
1395 g_signal_handler_block (spin, dtw->zoom_update);
1396 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1397 g_signal_handler_unblock (spin, dtw->zoom_update);
1399 spinbutton_defocus (GTK_OBJECT (spin));
1400 }
1402 static void
1403 sp_dtw_zoom_populate_popup (GtkEntry */*entry*/, GtkMenu *menu, gpointer data)
1404 {
1405 GList *children, *iter;
1406 GtkWidget *item;
1407 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1409 children = gtk_container_get_children (GTK_CONTAINER (menu));
1410 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1411 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1412 }
1413 g_list_free (children);
1415 item = gtk_menu_item_new_with_label ("200%");
1416 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1417 gtk_widget_show (item);
1418 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1419 item = gtk_menu_item_new_with_label ("100%");
1420 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1421 gtk_widget_show (item);
1422 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1423 item = gtk_menu_item_new_with_label ("50%");
1424 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1425 gtk_widget_show (item);
1426 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1428 item = gtk_separator_menu_item_new ();
1429 gtk_widget_show (item);
1430 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1432 item = gtk_menu_item_new_with_label (_("Page"));
1433 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1434 gtk_widget_show (item);
1435 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1436 item = gtk_menu_item_new_with_label (_("Drawing"));
1437 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1438 gtk_widget_show (item);
1439 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1440 item = gtk_menu_item_new_with_label (_("Selection"));
1441 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1442 gtk_widget_show (item);
1443 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1444 }
1446 static void
1447 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1448 {
1449 NR::Rect const d = dt->get_display_area();
1450 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1451 }
1453 static void
1454 sp_dtw_zoom_50 (GtkMenuItem */*item*/, gpointer data)
1455 {
1456 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1457 }
1459 static void
1460 sp_dtw_zoom_100 (GtkMenuItem */*item*/, gpointer data)
1461 {
1462 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1463 }
1465 static void
1466 sp_dtw_zoom_200 (GtkMenuItem */*item*/, gpointer data)
1467 {
1468 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1469 }
1471 static void
1472 sp_dtw_zoom_page (GtkMenuItem */*item*/, gpointer data)
1473 {
1474 static_cast<SPDesktop*>(data)->zoom_page();
1475 }
1477 static void
1478 sp_dtw_zoom_drawing (GtkMenuItem */*item*/, gpointer data)
1479 {
1480 static_cast<SPDesktop*>(data)->zoom_drawing();
1481 }
1483 static void
1484 sp_dtw_zoom_selection (GtkMenuItem */*item*/, gpointer data)
1485 {
1486 static_cast<SPDesktop*>(data)->zoom_selection();
1487 }
1491 void
1492 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1493 {
1494 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1495 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1496 gtk_widget_queue_draw(GTK_WIDGET(dtw->zoom_status));
1497 if (GTK_WIDGET(dtw->zoom_status)->window)
1498 gdk_window_process_updates(GTK_WIDGET(dtw->zoom_status)->window, TRUE);
1499 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1500 }
1502 void
1503 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1504 {
1505 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1506 gtk_widget_hide_all (dtw->hruler);
1507 gtk_widget_hide_all (dtw->vruler);
1508 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 0);
1509 } else {
1510 gtk_widget_show_all (dtw->hruler);
1511 gtk_widget_show_all (dtw->vruler);
1512 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 1);
1513 }
1514 }
1516 void
1517 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1518 {
1519 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1520 gtk_widget_hide_all (dtw->hscrollbar);
1521 gtk_widget_hide_all (dtw->vscrollbar_box);
1522 gtk_widget_hide_all( dtw->cms_adjust );
1523 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1524 } else {
1525 gtk_widget_show_all (dtw->hscrollbar);
1526 gtk_widget_show_all (dtw->vscrollbar_box);
1527 gtk_widget_show_all( dtw->cms_adjust );
1528 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1529 }
1530 }
1532 /* Unused
1533 void
1534 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1535 {
1536 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1537 gtk_widget_hide_all (dtw->menubar);
1538 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1539 } else {
1540 gtk_widget_show_all (dtw->menubar);
1541 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1542 }
1543 }
1544 */
1546 static void
1547 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1548 {
1549 if ((l != adj->lower) ||
1550 (u != adj->upper) ||
1551 (ps != adj->page_size) ||
1552 (si != adj->step_increment) ||
1553 (pi != adj->page_increment)) {
1554 adj->lower = l;
1555 adj->upper = u;
1556 adj->page_size = ps;
1557 adj->step_increment = si;
1558 adj->page_increment = pi;
1559 gtk_adjustment_changed (adj);
1560 }
1561 }
1563 void
1564 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1565 {
1566 if (!dtw) return;
1567 if (dtw->update) return;
1568 dtw->update = 1;
1570 /* The desktop region we always show unconditionally */
1571 SPDocument *doc = dtw->desktop->doc();
1572 NR::Rect darea(NR::Point(-sp_document_width(doc), -sp_document_height(doc)),
1573 NR::Point(2 * sp_document_width(doc), 2 * sp_document_height(doc)));
1574 darea = NR::union_bounds(darea, sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc))));
1576 /* Canvas region we always show unconditionally */
1577 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1578 darea.max()[NR::Y] * -scale - 64),
1579 NR::Point(darea.max()[NR::X] * scale + 64,
1580 darea.min()[NR::Y] * -scale + 64));
1582 NR::Rect viewbox = dtw->canvas->getViewbox();
1584 /* Viewbox is always included into scrollable region */
1585 carea = NR::union_bounds(carea, viewbox);
1587 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1588 viewbox.dimensions()[NR::X],
1589 0.1 * viewbox.dimensions()[NR::X],
1590 viewbox.dimensions()[NR::X]);
1591 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1593 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1594 viewbox.dimensions()[NR::Y],
1595 0.1 * viewbox.dimensions()[NR::Y],
1596 viewbox.dimensions()[NR::Y]);
1597 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1599 dtw->update = 0;
1600 }
1603 /*
1604 Local Variables:
1605 mode:c++
1606 c-file-style:"stroustrup"
1607 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1608 indent-tabs-mode:nil
1609 fill-column:99
1610 End:
1611 */
1612 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :