Code

Added a new toolbar with snapping controls
[inkscape.git] / src / widgets / desktop-widget.cpp
index 146717fc2578dcf55dbce10172f367f9f3481fdd..a64d53bb61e7c21719f0adb44793efec267d5a2e 100644 (file)
@@ -2,8 +2,8 @@
 
 /** \file
  * Desktop widget implementation
- *
- * Authors:
+ */
+/* Authors:
  *   Lauris Kaplinski <lauris@kaplinski.com>
  *   MenTaLguY <mental@rydia.net>
  *   bulia byak <buliabyak@users.sf.net>
@@ -36,7 +36,6 @@
 #include "sp-namedview.h"
 #include "interface.h"
 #include "toolbox.h"
-#include "prefs-utils.h"
 #include "preferences.h"
 #include "file.h"
 #include "display/canvas-arena.h"
@@ -49,6 +48,7 @@
 #include "widgets/spw-utilities.h"
 #include "widgets/spinbutton-events.h"
 #include "widgets/layer-selector.h"
+#include "widgets/toolbox.h"
 #include "ui/dialog/dialog-manager.h"
 #include "ui/widget/dock.h"
 #include "ui/widget/selected-style.h"
 #include "ege-select-one-action.h"
 #include "ege-color-prof-tracker.h"
 #include "color-profile-fns.h"
-#include "xml/node-observer.h"
+#include "box3d-context.h"
+#include "sp-image.h"
 
-#if defined (SOLARIS_2_8)
+#if defined (SOLARIS) && (SOLARIS == 8)
 #include "round.h"
 using Inkscape::round;
 #endif
@@ -113,48 +114,68 @@ static void sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data);
 
 SPViewWidgetClass *dtw_parent_class;
 
-using Inkscape::XML::Node;
-
-class PrefWatcher : public Inkscape::XML::NodeObserver {
+class CMSPrefWatcher {
 public:
-    PrefWatcher();
-    virtual ~PrefWatcher();
-
-
-    virtual void notifyChildAdded( Node &/*node*/, Node &/*child*/, Node */*prev*/ ) {}
-    virtual void notifyChildRemoved( Node &/*node*/, Node &/*child*/, Node */*prev*/ ) {}
-    virtual void notifyChildOrderChanged( Node &/*node*/, Node &/*child*/,
-                                          Node */*old_prev*/, Node */*new_prev*/ ) {}
-    virtual void notifyContentChanged( Node &/*node*/,
-                                       Inkscape::Util::ptr_shared<char> /*old_content*/,
-                                       Inkscape::Util::ptr_shared<char> /*new_content*/ ) {}
-    virtual void notifyAttributeChanged( Node &node, GQuark name,
-                                         Inkscape::Util::ptr_shared<char> old_value,
-                                         Inkscape::Util::ptr_shared<char> new_value );
-    void add( SPDesktopWidget* dtw );
-    void remove( SPDesktopWidget* dtw );
+    CMSPrefWatcher() :
+        _dpw(*this),
+        _spw(*this),
+        _tracker(ege_color_prof_tracker_new(0))
+    {
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        g_signal_connect( G_OBJECT(_tracker), "modified", G_CALLBACK(hook), this );
+        prefs->addObserver(_dpw);
+        prefs->addObserver(_spw);
+    }
+    virtual ~CMSPrefWatcher() {}
+
+    //virtual void notify(PrefValue &);
+    void add( SPDesktopWidget* dtw ) {
+        _widget_list.push_back(dtw);
+    }
+    void remove( SPDesktopWidget* dtw ) {
+        _widget_list.remove(dtw);
+    }
 
 private:
-    static void hook(EgeColorProfTracker *tracker, gint a, gint b, PrefWatcher *watcher);
+    static void hook(EgeColorProfTracker *tracker, gint a, gint b, CMSPrefWatcher *watcher);
+
+    class DisplayProfileWatcher : public Inkscape::Preferences::Observer {
+    public:
+        DisplayProfileWatcher(CMSPrefWatcher &pw) : Observer("/options/displayprofile"), _pw(pw) {}
+        virtual void notify(Inkscape::Preferences::Entry const &/*val*/) {
+            Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+            _pw._setCmsSensitive(!prefs->getString("/options/displayprofile/uri").empty());
+            _pw._refreshAll();
+        }
+    private:
+        CMSPrefWatcher &_pw;
+    };
 
-    std::list<SPDesktopWidget*> dtws;
-    EgeColorProfTracker *_tracker;
-};
+    DisplayProfileWatcher _dpw;
 
-PrefWatcher::PrefWatcher() :
-    NodeObserver(),
-    dtws(),
-    _tracker(0)
-{
-    _tracker = ege_color_prof_tracker_new(0);
-    g_signal_connect( G_OBJECT(_tracker), "modified", G_CALLBACK(hook), this );
-}
+    class SoftProofWatcher : public Inkscape::Preferences::Observer {
+    public:
+        SoftProofWatcher(CMSPrefWatcher &pw) : Observer("/options/softproof"), _pw(pw) {}
+        virtual void notify(Inkscape::Preferences::Entry const &) {
+            _pw._refreshAll();
+        }
+    private:
+        CMSPrefWatcher &_pw;
+    };
 
-PrefWatcher::~PrefWatcher()
-{
-}
+    SoftProofWatcher _spw;
+
+    void _refreshAll();
+    void _setCmsSensitive(bool value);
+
+    std::list<SPDesktopWidget*> _widget_list;
+    EgeColorProfTracker *_tracker;
 
-void PrefWatcher::hook(EgeColorProfTracker */*tracker*/, gint screen, gint monitor, PrefWatcher */*watcher*/)
+    friend class DisplayProfileWatcher;
+    friend class SoftproofWatcher;
+};
+
+void CMSPrefWatcher::hook(EgeColorProfTracker */*tracker*/, gint screen, gint monitor, CMSPrefWatcher */*watcher*/)
 {
 #if ENABLE_LCMS
     unsigned char* buf = 0;
@@ -165,56 +186,32 @@ void PrefWatcher::hook(EgeColorProfTracker */*tracker*/, gint screen, gint monit
 #endif // ENABLE_LCMS
 }
 
-void PrefWatcher::add( SPDesktopWidget* dtw )
-{
-    dtws.push_back(dtw);
-}
-
-void PrefWatcher::remove( SPDesktopWidget* dtw )
+/// @todo Use conditional compilation in saner places. The whole PrefWatcher
+/// object is unnecessary if ENABLE_LCMS is not defined.
+void CMSPrefWatcher::_refreshAll()
 {
-    dtws.remove(dtw);
+#if ENABLE_LCMS
+    for ( std::list<SPDesktopWidget*>::iterator it = _widget_list.begin(); it != _widget_list.end(); ++it ) {
+        (*it)->requestCanvasUpdate();
+    }
+#endif // ENABLE_LCMS
 }
 
-void PrefWatcher::notifyAttributeChanged( Node &node, GQuark name,
-                                          Inkscape::Util::ptr_shared<char> /*old_value*/,
-                                          Inkscape::Util::ptr_shared<char> /*new_value*/ )
+void CMSPrefWatcher::_setCmsSensitive(bool enabled)
 {
 #if ENABLE_LCMS
-    (void)name;
-    if ( strcmp("group", node.name()) == 0 ) {
-        gchar const* id = node.attribute("id");
-        bool refresh = false;
-        if ( !id ) {
-            // bad
-        } else if (strcmp("displayprofile", id) == 0) {
-            Glib::ustring current = prefs_get_string_attribute( "options.displayprofile", "uri" );
-            bool enabled = current.length() > 0;
-
-            for ( std::list<SPDesktopWidget*>::iterator it = dtws.begin(); it != dtws.end(); ++it ) {
-                SPDesktopWidget* dtw = *it;
-                if ( GTK_WIDGET_SENSITIVE( dtw->cms_adjust ) != enabled ) {
-                    cms_adjust_set_sensitive( dtw, enabled );
-                }
-            }
-            refresh = true;
-        } else if (strcmp("softproof", id) == 0) {
-            refresh = true;
-        }
-
-        if ( refresh ) {
-            for ( std::list<SPDesktopWidget*>::iterator it = dtws.begin(); it != dtws.end(); ++it ) {
-                (*it)->requestCanvasUpdate();
-            }
+    for ( std::list<SPDesktopWidget*>::iterator it = _widget_list.begin(); it != _widget_list.end(); ++it ) {
+        SPDesktopWidget *dtw = *it;
+        if ( GTK_WIDGET_SENSITIVE( dtw->cms_adjust ) != enabled ) {
+            cms_adjust_set_sensitive( dtw, enabled );
         }
+    }
 #else
-    {
-        (void)node;
-        (void)name;
+    (void) enabled;
 #endif // ENABLE_LCMS
-    }
 }
 
-static PrefWatcher* watcher = 0;
+static CMSPrefWatcher* watcher = NULL;
 
 void
 SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
@@ -231,31 +228,34 @@ SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
     gtk_tooltips_set_tip (this->tt, this->select_status_eventbox, gtk_label_get_text (sb) , NULL);
 }
 
-NR::Point
+Geom::Point
 SPDesktopWidget::window_get_pointer()
 {
     gint x,y;
     gdk_window_get_pointer (GTK_WIDGET (canvas)->window, &x, &y, NULL);
-    return NR::Point(x,y);
+    return Geom::Point(x,y);
 }
 
 /**
  * Registers SPDesktopWidget class and returns its type number.
  */
-GtkType
-sp_desktop_widget_get_type (void)
+GType sp_desktop_widget_get_type(void)
 {
     static GtkType type = 0;
     if (!type) {
-        static const GtkTypeInfo info = {
-            "SPDesktopWidget",
-            sizeof (SPDesktopWidget),
-            sizeof (SPDesktopWidgetClass),
-            (GtkClassInitFunc) sp_desktop_widget_class_init,
-            (GtkObjectInitFunc) sp_desktop_widget_init,
-            NULL, NULL, NULL
+        GTypeInfo info = {
+            sizeof(SPDesktopWidgetClass),
+            0, // base_init
+            0, // base_finalize
+            (GClassInitFunc)sp_desktop_widget_class_init,
+            0, // class_finalize
+            0, // class_data
+            sizeof(SPDesktopWidget),
+            0, // n_preallocs
+            (GInstanceInitFunc)sp_desktop_widget_init,
+            0 // value_table
         };
-        type = gtk_type_unique (SP_TYPE_VIEW_WIDGET, &info);
+        type = g_type_register_static(SP_TYPE_VIEW_WIDGET, "SPDesktopWidget", &info, static_cast<GTypeFlags>(0));
     }
     return type;
 }
@@ -291,16 +291,15 @@ sp_desktop_widget_init (SPDesktopWidget *dtw)
     GtkWidget *eventbox;
     GtkStyle *style;
 
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+
     new (&dtw->modified_connection) sigc::connection();
 
     widget = GTK_WIDGET (dtw);
 
     dtw->window = 0;
-
     dtw->desktop = NULL;
-
     dtw->_interaction_disabled_counter = 0;
-
     dtw->tt = gtk_tooltips_new ();
 
     /* Main table */
@@ -314,7 +313,7 @@ sp_desktop_widget_init (SPDesktopWidget *dtw)
     {
         using Inkscape::UI::Dialogs::SwatchesPanel;
 
-        SwatchesPanel* swatches = new SwatchesPanel("embedded.swatches");
+        SwatchesPanel* swatches = new SwatchesPanel("/embedded/swatches");
         swatches->setOrientation( Gtk::ANCHOR_SOUTH );
         dtw->panels = GTK_WIDGET(swatches->gobj());
         gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
@@ -327,6 +326,9 @@ sp_desktop_widget_init (SPDesktopWidget *dtw)
     dtw->aux_toolbox = sp_aux_toolbox_new ();
     gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
 
+    dtw->snap_toolbox = sp_snap_toolbox_new ();
+    gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->snap_toolbox, FALSE, TRUE, 0);
+
     dtw->commands_toolbox = sp_commands_toolbox_new ();
     gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
 
@@ -375,7 +377,7 @@ sp_desktop_widget_init (SPDesktopWidget *dtw)
                                                  "sticky_zoom",
                                                  _("Zoom drawing if window size changes"),
                                                  dtw->tt);
-    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
+    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs->getBool("/options/stickyzoom/value"));
     gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
     dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
     dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
@@ -399,11 +401,11 @@ sp_desktop_widget_init (SPDesktopWidget *dtw)
                                                dtw->tt );
 #if ENABLE_LCMS
     {
-        Glib::ustring current = prefs_get_string_attribute( "options.displayprofile", "uri" );
+        Glib::ustring current = prefs->getString("/options/displayprofile/uri");
         bool enabled = current.length() > 0;
         cms_adjust_set_sensitive( dtw, enabled );
         if ( enabled ) {
-            long long int active = prefs_get_int_attribute_limited( "options.displayprofile", "enable", 0, 0, 1 );
+            bool active = prefs->getBool("/options/displayprofile/enable");
             if ( active ) {
                 sp_button_toggle_set_down( SP_BUTTON(dtw->cms_adjust), TRUE );
             }
@@ -415,35 +417,29 @@ sp_desktop_widget_init (SPDesktopWidget *dtw)
 #endif // ENABLE_LCMS
     gtk_table_attach( GTK_TABLE(canvas_tbl), dtw->cms_adjust, 2, 3, 2, 3, (GtkAttachOptions)(GTK_SHRINK), (GtkAttachOptions)(GTK_SHRINK), 0, 0);
     {
-        Inkscape::XML::Node* prefs = Inkscape::Preferences::get();
-        if ( prefs ) {
-            if (!watcher) {
-                watcher = new PrefWatcher();
-                prefs->addSubtreeObserver( *watcher );
-            }
-            watcher->add(dtw);
-        } else {
-            g_warning("NULL preferences instance encountered");
+        if (!watcher) {
+            watcher = new CMSPrefWatcher();
         }
+        watcher->add(dtw);
     }
 
     /* Canvas */
     dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
 #if ENABLE_LCMS
-    dtw->canvas->enable_cms_display_adj = prefs_get_int_attribute_limited( "options.displayprofile", "enable", 0, 0, 1 ) != 0;
+    dtw->canvas->enable_cms_display_adj = prefs->getBool("/options/displayprofile/enable");
 #endif // ENABLE_LCMS
     GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
     style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
     style->bg[GTK_STATE_NORMAL] = style->white;
     gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
-    if ( prefs_get_int_attribute ("options.useextinput", "value", 1) ) 
+    if ( prefs->getBool("/options/useextinput/value", true) )
       gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL); //set extension events for tablets, unless disabled in preferences
     g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
     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);
 
     /* Dock */
     bool create_dock =
-        prefs_get_int_attribute_limited ("options.dialogtype", "value", Inkscape::UI::Dialog::FLOATING, 0, 1) ==
+        prefs->getIntLimited("/options/dialogtype/value", Inkscape::UI::Dialog::FLOATING, 0, 1) ==
         Inkscape::UI::Dialog::DOCK;
 
     if (create_dock) {
@@ -611,13 +607,13 @@ SPDesktopWidget::updateTitle(gchar const* uri)
                                : g_basename(uri) );
         GString *name = g_string_new ("");
         if (this->desktop->number > 1) {
-            if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
+            if (this->desktop->getMode() == Inkscape::RENDERMODE_OUTLINE) {
                 g_string_printf (name, _("%s: %d (outline) - Inkscape"), fname, this->desktop->number);
             } else {
                 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
             }
         } else {
-            if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
+            if (this->desktop->getMode() == Inkscape::RENDERMODE_OUTLINE) {
                 g_string_printf (name, _("%s (outline) - Inkscape"), fname);
             } else {
                 g_string_printf (name, _("%s - Inkscape"), fname);
@@ -652,7 +648,7 @@ sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
     }
 
     if (GTK_WIDGET_REALIZED (widget)) {
-        NR::Rect const area = dtw->desktop->get_display_area();
+        Geom::Rect const area = dtw->desktop->get_display_area();
         double zoom = dtw->desktop->current_zoom();
 
         if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
@@ -661,14 +657,14 @@ sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
 
         if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
             /* Calculate zoom per pixel */
-            double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
+            double const zpsp = zoom / hypot (area.dimensions()[Geom::X], area.dimensions()[Geom::Y]);
             /* Find new visible area */
-            NR::Rect newarea = dtw->desktop->get_display_area();
+            Geom::Rect newarea = dtw->desktop->get_display_area();
             /* Calculate adjusted zoom */
-            zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
-            dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
+            zoom = zpsp * hypot(newarea.dimensions()[Geom::X], newarea.dimensions()[Geom::Y]);
+            dtw->desktop->zoom_absolute(newarea.midpoint()[Geom::X], newarea.midpoint()[Geom::Y], zoom);
         } else {
-            dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
+            dtw->desktop->zoom_absolute(area.midpoint()[Geom::X], area.midpoint()[Geom::Y], zoom);
         }
 
     } else {
@@ -701,6 +697,15 @@ sp_desktop_widget_realize (GtkWidget *widget)
 
     dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
 
+    sp_desktop_widget_update_namedview(dtw);
+}
+
+/* This is just to provide access to common functionality from sp_desktop_widget_realize() above
+   as well as from SPDesktop::change_document() */
+void
+sp_desktop_widget_update_namedview (SPDesktopWidget *dtw) {
+    g_return_if_fail(dtw);
+
     /* Listen on namedview modification */
     // originally (prior to the sigc++ conversion) the signal was simply
     // connected twice rather than disconnecting the first connection
@@ -773,7 +778,8 @@ void cms_adjust_toggled( GtkWidget */*button*/, gpointer data )
     if ( down != dtw->canvas->enable_cms_display_adj ) {
         dtw->canvas->enable_cms_display_adj = down;
         dtw->requestCanvasUpdate();
-        prefs_set_int_attribute( "options.displayprofile", "enable", down ? 1 : 0 );
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        prefs->setBool("/options/displayprofile/enable", down);
     }
 #endif // ENABLE_LCMS
 }
@@ -936,20 +942,21 @@ SPDesktopWidget::shutdown()
      * But we save the info here regardless of the setting.
      */
     {
-        gint full = desktop->is_fullscreen() ? 1 : 0;
-        gint maxed = desktop->is_maximized() ? 1 : 0;
-        prefs_set_int_attribute("desktop.geometry", "fullscreen", full);
-        prefs_set_int_attribute("desktop.geometry", "maximized", maxed);
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        bool maxed = desktop->is_maximized();
+        bool full = desktop->is_fullscreen();
+        prefs->setBool("/desktop/geometry/fullscreen", full);
+        prefs->setBool("/desktop/geometry/maximized", maxed);
         gint w, h, x, y;
         desktop->getWindowGeometry(x, y, w, h);
         // Don't save geom for maximized windows.  It
         // just tells you the current maximized size, which is not
         // as useful as whatever value it had previously.
         if (!maxed && !full) {
-            prefs_set_int_attribute("desktop.geometry", "width", w);
-            prefs_set_int_attribute("desktop.geometry", "height", h);
-            prefs_set_int_attribute("desktop.geometry", "x", x);
-            prefs_set_int_attribute("desktop.geometry", "y", y);
+            prefs->setInt("/desktop/geometry/width", w);
+            prefs->setInt("/desktop/geometry/height", h);
+            prefs->setInt("/desktop/geometry/x", x);
+            prefs->setInt("/desktop/geometry/y", y);
         }
     }
 
@@ -996,14 +1003,14 @@ SPDesktopWidget::disableInteraction()
 }
 
 void
-SPDesktopWidget::setCoordinateStatus(NR::Point p)
+SPDesktopWidget::setCoordinateStatus(Geom::Point p)
 {
     gchar *cstr;
-    cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::X]);
+    cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[Geom::X]);
     gtk_label_set_markup( GTK_LABEL(this->coord_status_x), cstr );
     g_free(cstr);
 
-    cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::Y]);
+    cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[Geom::Y]);
     gtk_label_set_markup( GTK_LABEL(this->coord_status_y), cstr );
     g_free(cstr);
 }
@@ -1031,13 +1038,13 @@ SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
 }
 
 void
-SPDesktopWidget::setWindowPosition (NR::Point p)
+SPDesktopWidget::setWindowPosition (Geom::Point p)
 {
     Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
 
     if (window)
     {
-        window->move (gint(round(p[NR::X])), gint(round(p[NR::Y])));
+        window->move (gint(round(p[Geom::X])), gint(round(p[Geom::Y])));
     }
 }
 
@@ -1135,12 +1142,13 @@ sp_desktop_widget_maximize(SPDesktopWidget *dtw)
             // a separate non-maximized size.
             if (!dtw->desktop->is_iconified() && !dtw->desktop->is_fullscreen())
             {
+                Inkscape::Preferences *prefs = Inkscape::Preferences::get();
                 gint w, h, x, y;
                 dtw->getWindowGeometry(x, y, w, h);
-                prefs_set_int_attribute("desktop.geometry", "width", w);
-                prefs_set_int_attribute("desktop.geometry", "height", h);
-                prefs_set_int_attribute("desktop.geometry", "x", x);
-                prefs_set_int_attribute("desktop.geometry", "y", y);
+                prefs->setInt("/desktop/geometry/width", w);
+                prefs->setInt("/desktop/geometry/height", h);
+                prefs->setInt("/desktop/geometry/x", x);
+                prefs->setInt("/desktop/geometry/y", y);
             }
             gtk_window_maximize(topw);
         }
@@ -1162,12 +1170,13 @@ sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
             // a separate non-maximized size.
             if (!dtw->desktop->is_iconified() && !dtw->desktop->is_maximized())
             {
+                Inkscape::Preferences *prefs = Inkscape::Preferences::get();
                 gint w, h, x, y;
                 dtw->getWindowGeometry(x, y, w, h);
-                prefs_set_int_attribute("desktop.geometry", "width", w);
-                prefs_set_int_attribute("desktop.geometry", "height", h);
-                prefs_set_int_attribute("desktop.geometry", "x", x);
-                prefs_set_int_attribute("desktop.geometry", "y", y);
+                prefs->setInt("/desktop/geometry/width", w);
+                prefs->setInt("/desktop/geometry/height", h);
+                prefs->setInt("/desktop/geometry/x", x);
+                prefs->setInt("/desktop/geometry/y", y);
             }
             gtk_window_fullscreen(topw);
             // widget layout is triggered by the resulting window_state_event
@@ -1182,21 +1191,36 @@ sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
 void
 sp_desktop_widget_layout (SPDesktopWidget *dtw)
 {
-    bool fullscreen = dtw->desktop->is_fullscreen();
+    Glib::ustring pref_root;
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 
-    if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
+    if (dtw->desktop->is_focusMode()) {
+           pref_root = "/focus/";
+    } else if (dtw->desktop->is_fullscreen()) {
+           pref_root = "/fullscreen/";
+    } else {
+           pref_root = "/window/";
+    }
+
+    if (!prefs->getBool(pref_root + "menu/state", true)) {
         gtk_widget_hide_all (dtw->menubar);
     } else {
         gtk_widget_show_all (dtw->menubar);
     }
 
-    if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
+    if (!prefs->getBool(pref_root + "commands/state", true)) {
         gtk_widget_hide_all (dtw->commands_toolbox);
     } else {
         gtk_widget_show_all (dtw->commands_toolbox);
     }
 
-    if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
+    if (!prefs->getBool(pref_root + "snaptoolbox/state", true)) {
+               gtk_widget_hide_all (dtw->snap_toolbox);
+       } else {
+               gtk_widget_show_all (dtw->snap_toolbox);
+       }
+
+    if (!prefs->getBool(pref_root + "toppanel/state", true)) {
         gtk_widget_hide_all (dtw->aux_toolbox);
     } else {
         // we cannot just show_all because that will show all tools' panels;
@@ -1204,25 +1228,25 @@ sp_desktop_widget_layout (SPDesktopWidget *dtw)
         show_aux_toolbox (dtw->aux_toolbox);
     }
 
-    if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
+    if (!prefs->getBool(pref_root + "toolbox/state", true)) {
         gtk_widget_hide_all (dtw->tool_toolbox);
     } else {
         gtk_widget_show_all (dtw->tool_toolbox);
     }
 
-    if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
+    if (!prefs->getBool(pref_root + "statusbar/state", true)) {
         gtk_widget_hide_all (dtw->statusbar);
     } else {
         gtk_widget_show_all (dtw->statusbar);
     }
 
-    if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
+    if (!prefs->getBool(pref_root + "panels/state", true)) {
         gtk_widget_hide_all( dtw->panels );
     } else {
         gtk_widget_show_all( dtw->panels );
     }
 
-    if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
+    if (!prefs->getBool(pref_root + "scrollbars/state", true)) {
         gtk_widget_hide_all (dtw->hscrollbar);
         gtk_widget_hide_all (dtw->vscrollbar_box);
         gtk_widget_hide_all( dtw->cms_adjust );
@@ -1232,7 +1256,7 @@ sp_desktop_widget_layout (SPDesktopWidget *dtw)
         gtk_widget_show_all( dtw->cms_adjust );
     }
 
-    if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
+    if (!prefs->getBool(pref_root + "rulers/state", true)) {
         gtk_widget_hide_all (dtw->hruler);
         gtk_widget_hide_all (dtw->vruler);
     } else {
@@ -1298,7 +1322,7 @@ sp_desktop_widget_new (SPNamedView *namedview)
 
     dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
 
-    dtw->ruler_origin = NR::Point(0,0); //namedview->gridorigin;   Why was the grid origin used here?
+    dtw->ruler_origin = Geom::Point(0,0); //namedview->gridorigin;   Why was the grid origin used here?
 
     dtw->desktop = new SPDesktop();
     dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
@@ -1331,19 +1355,20 @@ sp_desktop_widget_new (SPNamedView *namedview)
     sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
     sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
     sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
+    sp_snap_toolbox_set_desktop (dtw->snap_toolbox, dtw->desktop);
 
     return SP_VIEW_WIDGET (dtw);
 }
 
 void
-SPDesktopWidget::viewSetPosition (NR::Point p)
+SPDesktopWidget::viewSetPosition (Geom::Point p)
 {
-    NR::Point const origin = ( p - ruler_origin );
+    Geom::Point const origin = ( p - ruler_origin );
 
     /// \todo fixme:
-    GTK_RULER(hruler)->position = origin[NR::X];
+    GTK_RULER(hruler)->position = origin[Geom::X];
     gtk_ruler_draw_pos (GTK_RULER (hruler));
-    GTK_RULER(vruler)->position = origin[NR::Y];
+    GTK_RULER(vruler)->position = origin[Geom::Y];
     gtk_ruler_draw_pos (GTK_RULER (vruler));
 }
 
@@ -1357,22 +1382,32 @@ sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
 void
 sp_desktop_widget_update_hruler (SPDesktopWidget *dtw)
 {
-    NR::Rect viewbox = dtw->canvas->getViewbox();
-    
+    /* The viewbox (in integers) must exactly match the size of SPCanvasbuf's pixel buffer.
+     * This is important because the former is being used for drawing the ruler, whereas
+     * the latter is used for drawing e.g. the grids and guides. Only when the viewbox
+     * coincides with the pixel buffer, everything will line up nicely.
+     */
+    NR::IRect viewbox = dtw->canvas->getViewboxIntegers();
+
     double const scale = dtw->desktop->current_zoom();
-    double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
-    double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
+    double s = viewbox.min()[Geom::X] / scale - dtw->ruler_origin[Geom::X];
+    double e = viewbox.max()[Geom::X] / scale - dtw->ruler_origin[Geom::X];
     gtk_ruler_set_range(GTK_RULER(dtw->hruler), s,  e, GTK_RULER(dtw->hruler)->position, (e - s));
 }
 
 void
 sp_desktop_widget_update_vruler (SPDesktopWidget *dtw)
 {
-    NR::Rect viewbox = dtw->canvas->getViewbox();
-    
+    /* The viewbox (in integers) must exactly match the size of SPCanvasbuf's pixel buffer.
+     * This is important because the former is being used for drawing the ruler, whereas
+     * the latter is used for drawing e.g. the grids and guides. Only when the viewbox
+     * coincides with the pixel buffer, everything will line up nicely.
+     */
+    NR::IRect viewbox = dtw->canvas->getViewboxIntegers();
+
     double const scale = dtw->desktop->current_zoom();
-    double s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
-    double e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
+    double s = viewbox.min()[Geom::Y] / -scale - dtw->ruler_origin[Geom::Y];
+    double e = viewbox.max()[Geom::Y] / -scale - dtw->ruler_origin[Geom::Y];
     gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
 }
 
@@ -1382,8 +1417,8 @@ sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidge
 {
     SPNamedView *nv=SP_NAMEDVIEW(obj);
     if (flags & SP_OBJECT_MODIFIED_FLAG) {
-        dtw->dt2r = 1.0 / nv->doc_units->unittobase;
-        dtw->ruler_origin = NR::Point(0,0); //nv->gridorigin;   Why was the grid origin used here?
+       dtw->dt2r = 1.0 / nv->doc_units->unittobase;
+        dtw->ruler_origin = Geom::Point(0,0); //nv->gridorigin;   Why was the grid origin used here?
 
         sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
         sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
@@ -1392,6 +1427,7 @@ sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidge
         gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
 
         sp_desktop_widget_update_rulers (dtw);
+        update_snap_toolbox(dtw->desktop, NULL, dtw->snap_toolbox);
     }
 }
 
@@ -1406,12 +1442,24 @@ sp_desktop_widget_adjustment_value_changed (GtkAdjustment */*adj*/, SPDesktopWid
     sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
     sp_desktop_widget_update_rulers (dtw);
 
+    /*  update perspective lines if we are in the 3D box tool (so that infinite ones are shown correctly) */
+    sp_box3d_context_update_lines(dtw->desktop->event_context);
+
     dtw->update = 0;
 }
 
 /* we make the desktop window with focus active, signal is connected in interface.c */
 bool SPDesktopWidget::onFocusInEvent(GdkEventFocus*)
 {
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    if (prefs->getBool("/options/bitmapautoreload/value", true)) {
+        GSList const *imageList = sp_document_get_resource_list(desktop->doc(), "image");
+        for (GSList const *p = imageList; p; p = p->next) {
+            SPImage* image = SP_IMAGE(p->data);
+            sp_image_refresh_if_outdated( image );
+        }
+    }
+
     inkscape_activate_desktop (desktop);
 
     return false;
@@ -1467,9 +1515,9 @@ sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
     SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
     SPDesktop *desktop = dtw->desktop;
 
-    NR::Rect const d = desktop->get_display_area();
+    Geom::Rect const d = desktop->get_display_area();
     g_signal_handler_block (spin, dtw->zoom_update);
-    desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
+    desktop->zoom_absolute (d.midpoint()[Geom::X], d.midpoint()[Geom::Y], zoom_factor);
     g_signal_handler_unblock (spin, dtw->zoom_update);
 
     spinbutton_defocus (GTK_OBJECT (spin));
@@ -1522,8 +1570,8 @@ sp_dtw_zoom_populate_popup (GtkEntry */*entry*/, GtkMenu *menu, gpointer data)
 static void
 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
 {
-    NR::Rect const d = dt->get_display_area();
-    dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
+    Geom::Rect const d = dt->get_display_area();
+    dt->zoom_absolute(d.midpoint()[Geom::X], d.midpoint()[Geom::Y], factor);
 }
 
 static void
@@ -1578,30 +1626,32 @@ sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
 void
 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
 {
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
     if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
         gtk_widget_hide_all (dtw->hruler);
         gtk_widget_hide_all (dtw->vruler);
-        prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 0);
+        prefs->setBool(dtw->desktop->is_fullscreen() ? "/fullscreen/rulers/state" : "/window/rulers/state", false);
     } else {
         gtk_widget_show_all (dtw->hruler);
         gtk_widget_show_all (dtw->vruler);
-        prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 1);
+        prefs->setBool(dtw->desktop->is_fullscreen() ? "/fullscreen/rulers/state" : "/window/rulers/state", true);
     }
 }
 
 void
 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
 {
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
     if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
         gtk_widget_hide_all (dtw->hscrollbar);
         gtk_widget_hide_all (dtw->vscrollbar_box);
         gtk_widget_hide_all( dtw->cms_adjust );
-        prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
+        prefs->setBool(dtw->desktop->is_fullscreen() ? "/fullscreen/scrollbars/state" : "/window/scrollbars/state", false);
     } else {
         gtk_widget_show_all (dtw->hscrollbar);
         gtk_widget_show_all (dtw->vscrollbar_box);
         gtk_widget_show_all( dtw->cms_adjust );
-        prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
+        prefs->setBool(dtw->desktop->is_fullscreen() ? "/fullscreen/scrollbars/state" : "/window/scrollbars/state", true);
     }
 }
 
@@ -1621,12 +1671,13 @@ void sp_desktop_widget_toggle_color_prof_adj( SPDesktopWidget *dtw )
 void
 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
 {
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
     if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
         gtk_widget_hide_all (dtw->menubar);
-        prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
+        prefs->setBool(is_fullscreen ? "/fullscreen/menu/state" : "/window/menu/state", false);
     } else {
         gtk_widget_show_all (dtw->menubar);
-        prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
+        prefs->setBool(is_fullscreen ? "/fullscreen/menu/state" : "/window/menu/state", true);
     }
 }
 */
@@ -1657,32 +1708,32 @@ sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
 
     /* The desktop region we always show unconditionally */
     SPDocument *doc = dtw->desktop->doc();
-    NR::Rect darea(NR::Point(-sp_document_width(doc), -sp_document_height(doc)),
-                   NR::Point(2 * sp_document_width(doc), 2 * sp_document_height(doc)));
-    darea = NR::union_bounds(darea, sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc))));
+    Geom::Rect darea ( Geom::Point(-sp_document_width(doc), -sp_document_height(doc)),
+                     Geom::Point(2 * sp_document_width(doc), 2 * sp_document_height(doc))  );
+    SPObject* root = doc->root;
+    SPItem* item = SP_ITEM(root);
+    Geom::OptRect deskarea = Geom::unify(darea, sp_item_bbox_desktop(item));
 
     /* Canvas region we always show unconditionally */
-    NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
-                             darea.max()[NR::Y] * -scale - 64),
-                   NR::Point(darea.max()[NR::X] * scale + 64,
-                             darea.min()[NR::Y] * -scale + 64));
+    Geom::Rect carea( Geom::Point(deskarea->min()[Geom::X] * scale - 64, deskarea->max()[Geom::Y] * -scale - 64),
+                    Geom::Point(deskarea->max()[Geom::X] * scale + 64, deskarea->min()[Geom::Y] * -scale + 64)  );
 
-    NR::Rect viewbox = dtw->canvas->getViewbox();
+    Geom::Rect viewbox = dtw->canvas->getViewbox();
 
     /* Viewbox is always included into scrollable region */
-    carea = NR::union_bounds(carea, viewbox);
-
-    set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
-                   viewbox.dimensions()[NR::X],
-                   0.1 * viewbox.dimensions()[NR::X],
-                   viewbox.dimensions()[NR::X]);
-    gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
-
-    set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
-                   viewbox.dimensions()[NR::Y],
-                   0.1 * viewbox.dimensions()[NR::Y],
-                   viewbox.dimensions()[NR::Y]);
-    gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
+    carea = Geom::unify(carea, viewbox);
+
+    set_adjustment(dtw->hadj, carea.min()[Geom::X], carea.max()[Geom::X],
+                   viewbox.dimensions()[Geom::X],
+                   0.1 * viewbox.dimensions()[Geom::X],
+                   viewbox.dimensions()[Geom::X]);
+    gtk_adjustment_set_value(dtw->hadj, viewbox.min()[Geom::X]);
+
+    set_adjustment(dtw->vadj, carea.min()[Geom::Y], carea.max()[Geom::Y],
+                   viewbox.dimensions()[Geom::Y],
+                   0.1 * viewbox.dimensions()[Geom::Y],
+                   viewbox.dimensions()[Geom::Y]);
+    gtk_adjustment_set_value(dtw->vadj, viewbox.min()[Geom::Y]);
 
     dtw->update = 0;
 }