Code

Rework dialog management. Use singleton behavior for dialogs when
[inkscape.git] / src / ui / dialog / document-properties.cpp
index 4f38eb3d9d472805d99912ec420c8d7fdb9b39ab..8d7b6ac52291d88ce86a8fe786095af59862df9f 100644 (file)
@@ -9,7 +9,7 @@
  *   Jon Phillips <jon@rejon.org>
  *   Ralf Stephan <ralf@ark.in-berlin.de> (Gtkmm)
  *
- * Copyright (C) 2006 Johan Engelen  <johan@shouraizou.nl>
+ * Copyright (C) 2006-2007 Johan Engelen  <johan@shouraizou.nl>
  * Copyright (C) 2000 - 2005 Authors
  *
  * Released under GNU GPL.  Read the file 'COPYING' for more information
@@ -53,14 +53,9 @@ namespace Dialog {
 
 //---------------------------------------------------
 
-static DocumentProperties *_instance = 0;
-
 static void on_child_added(Inkscape::XML::Node *repr, Inkscape::XML::Node *child, Inkscape::XML::Node *ref, void * data);
 static void on_child_removed(Inkscape::XML::Node *repr, Inkscape::XML::Node *child, Inkscape::XML::Node *ref, void * data);
 static void on_repr_attr_changed (Inkscape::XML::Node *, gchar const *, gchar const *, gchar const *, bool, gpointer);
-static void on_doc_replaced (SPDesktop* dt, SPDocument* doc);
-static void on_activate_desktop (Inkscape::Application *, SPDesktop* dt, void*);
-static void on_deactivate_desktop (Inkscape::Application *, SPDesktop* dt, void*);
 
 static Inkscape::XML::NodeEventVector const _repr_events = {
     on_child_added, /* child_added */
@@ -71,50 +66,47 @@ static Inkscape::XML::NodeEventVector const _repr_events = {
 };
 
 
-DocumentProperties*
-DocumentProperties::create()
+DocumentProperties &
+DocumentProperties::getInstance()
 {
-    if (_instance) return _instance;
-    _instance = new DocumentProperties;
-    _instance->init();
-    return _instance;
-}
+    DocumentProperties &instance = *new DocumentProperties();
+    instance.init();
 
-void
-DocumentProperties::destroy()
-{
-    if (_instance)
-    {
-        delete _instance;
-        _instance = 0;
-    }
+    return instance;
 }
 
 DocumentProperties::DocumentProperties()
-    : Dialog ("dialogs.documentoptions", SP_VERB_DIALOG_NAMEDVIEW),
-      _page_page(1, 1), _page_grid(1, 1), _page_guides(1, 1),
-      _page_snap(1, 1), _page_grids(1, 1),
-      _prefs_path("dialogs.documentoptions"),
+    : UI::Widget::Panel ("", "dialogs.documentoptions", SP_VERB_DIALOG_NAMEDVIEW),
+      _page_page(1, 1), _page_guides(1, 1),
+      _page_snap(1, 1), _page_snap_dtls(1, 1),
+      _grids_label_crea("", Gtk::ALIGN_LEFT),
       _grids_button_new(_("_New"), _("Create new grid.")),
-      _grids_button_remove(_("_Remove"), _("Remove selected grid."))
+      _grids_button_remove(_("_Remove"), _("Remove selected grid.")),
+      _grids_label_def("", Gtk::ALIGN_LEFT),
+      _prefs_path("dialogs.documentoptions")
 {
-    set_resizable (false);
     _tt.enable();
-    get_vbox()->set_spacing (4);
-    get_vbox()->pack_start (_notebook, true, true);
+    _getContents()->set_spacing (4);
+    _getContents()->pack_start(_notebook, true, true);
 
     _notebook.append_page(_page_page,      _("Page"));
-    _notebook.append_page(_page_grid,      _("Grid/Guides"));
+    _notebook.append_page(_page_guides,    _("Guides"));
+    _notebook.append_page(_grids_vbox,     _("Grids"));
     _notebook.append_page(_page_snap,      _("Snap"));
-    _notebook.append_page(_page_grids,     _("Grids setup"));
+    _notebook.append_page(_page_snap_dtls, _("Snap points"));
 
     build_page();
-    build_grid();
-    build_snap();
+    build_guides();
     build_gridspage();
+    build_snap();
+    build_snap_dtls();
 
     _grids_button_new.signal_clicked().connect(sigc::mem_fun(*this, &DocumentProperties::onNewGrid));
     _grids_button_remove.signal_clicked().connect(sigc::mem_fun(*this, &DocumentProperties::onRemoveGrid));
+
+    signalDocumentReplaced().connect(sigc::mem_fun(*this, &DocumentProperties::_handleDocumentReplaced));
+    signalActivateDesktop().connect(sigc::mem_fun(*this, &DocumentProperties::_handleActivateDesktop));
+    signalDeactiveDesktop().connect(sigc::mem_fun(*this, &DocumentProperties::_handleDeactivateDesktop));
 }
 
 void
@@ -122,67 +114,52 @@ DocumentProperties::init()
 {
     update();
 
-    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(SP_ACTIVE_DESKTOP));
+    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(getDesktop()));
     repr->addListener (&_repr_events, this);
-    Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(SP_ACTIVE_DESKTOP)->root);
+    Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(getDesktop())->root);
     root->addListener (&_repr_events, this);
 
-    _doc_replaced_connection = SP_ACTIVE_DESKTOP->connectDocumentReplaced (sigc::ptr_fun (on_doc_replaced));
-
-    g_signal_connect(G_OBJECT(INKSCAPE), "activate_desktop",
-                     G_CALLBACK(on_activate_desktop), 0);
-
-    g_signal_connect(G_OBJECT(INKSCAPE), "deactivate_desktop",
-                     G_CALLBACK(on_deactivate_desktop), 0);
-
     show_all_children();
-    if (prefs_get_int_attribute("dialogs.documentoptions", "axonomgrid_enabled", 0) != 1) {
-        _rrb_gridtype._hbox->hide();
-        _rsu_ax.getSU()->hide();
-        _rsu_az.getSU()->hide();
-    }
-
-    present();
+    _grids_button_remove.hide();
 }
 
 DocumentProperties::~DocumentProperties()
 {
-    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(SP_ACTIVE_DESKTOP));
+    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(getDesktop()));
     repr->removeListenerByData (this);
-    Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(SP_ACTIVE_DESKTOP)->root);
+    Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(getDesktop())->root);
     root->removeListenerByData (this);
-    _doc_replaced_connection.disconnect();
 }
 
 //========================================================================
 
 /**
- * Helper function that attachs widgets in a 3xn table. The widgets come in an
+ * Helper function that attaches widgets in a 3xn table. The widgets come in an
  * array that has two entries per table row. The two entries code for four
  * possible cases: (0,0) means insert space in first column; (0, non-0) means
  * widget in columns 2-3; (non-0, 0) means label in columns 1-3; and
  * (non-0, non-0) means two widgets in columns 2 and 3.
 **/
 inline void
-attach_all (Gtk::Table &table, const Gtk::Widget *arr[], unsigned size, int start = 0)
+attach_all(Gtk::Table &table, Gtk::Widget *const arr[], unsigned const n, int start = 0)
 {
-    for (unsigned i=0, r=start; i<size/sizeof(Gtk::Widget*); i+=2)
+    for (unsigned i = 0, r = start; i < n; i += 2)
     {
         if (arr[i] && arr[i+1])
         {
-            table.attach (const_cast<Gtk::Widget&>(*arr[i]),   1, 2, r, r+1,
+            table.attach(*arr[i],   1, 2, r, r+1,
                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
-            table.attach (const_cast<Gtk::Widget&>(*arr[i+1]), 2, 3, r, r+1,
+            table.attach(*arr[i+1], 2, 3, r, r+1,
                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
         }
         else
         {
             if (arr[i+1])
-                table.attach (const_cast<Gtk::Widget&>(*arr[i+1]), 1, 3, r, r+1,
+                table.attach(*arr[i+1], 1, 3, r, r+1,
                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
             else if (arr[i])
             {
-                Gtk::Label& label = reinterpret_cast<Gtk::Label&> (const_cast<Gtk::Widget&>(*arr[i]));
+                Gtk::Label& label = reinterpret_cast<Gtk::Label&>(*arr[i]);
                 label.set_alignment (0.0);
                 table.attach (label, 0, 3, r, r+1,
                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
@@ -222,7 +199,7 @@ DocumentProperties::build_page()
     label_for->set_markup (_("<b>Format</b>"));
     _page_sizer.init (_wr);
 
-    const Gtk::Widget* widget_array[] =
+    Gtk::Widget *const widget_array[] =
     {
         label_gen,         0,
         _rum_deflt._label, _rum_deflt._sel,
@@ -238,163 +215,177 @@ DocumentProperties::build_page()
         _rcp_bord._label,  _rcp_bord._cp,
     };
 
-    attach_all (_page_page.table(), widget_array, sizeof(widget_array));
+    attach_all(_page_page.table(), widget_array, G_N_ELEMENTS(widget_array));
 }
 
 void
-DocumentProperties::build_grid()
+DocumentProperties::build_guides()
 {
-    _page_grid.show();
-
-    /// \todo FIXME: gray out snapping when grid is off.
-    /// Dissenting view: you want snapping without grid.
+    _page_guides.show();
 
-    _rcbgrid.init (_("_Show grid"), _("Show or hide grid"), "showgrid", _wr);
-    _rrb_gridtype.init (_("Grid type:"), _("Normal (2D)"), _("Axonometric (3D)"),
-                _("The normal grid with vertical and horizontal lines."),
-                _("A grid with vertical lines and two diagonal line groups, each representing the projection of a primary axis."),
-                "gridtype", _wr);
-
-    _rumg.init (_("Grid _units:"), "grid_units", _wr);
-    _rsu_ox.init (_("_Origin X:"), _("X coordinate of grid origin"),
-                  "gridoriginx", _rumg, _wr);
-    _rsu_oy.init (_("O_rigin Y:"), _("Y coordinate of grid origin"),
-                  "gridoriginy", _rumg, _wr);
-    _rsu_sx.init (_("Spacing _X:"), _("Distance between vertical grid lines"),
-                  "gridspacingx", _rumg, _wr);
-    _rsu_sy.init (_("Spacing _Y:"), _("Distance between horizontal grid lines"),
-                  "gridspacingy", _rumg, _wr);
-    _rsu_ax.init (_("Angle X:"), _("Angle of x-axis of axonometric grid"),
-                  "gridanglex", _rumg, _wr);
-    _rsu_az.init (_("Angle Z:"), _("Angle of z-axis of axonometric grid"),
-                  "gridanglez", _rumg, _wr);
-    _rcp_gcol.init (_("Grid line _color:"), _("Grid line color"),
-                    _("Color of grid lines"), "gridcolor", "gridopacity", _wr);
-    _rcp_gmcol.init (_("Ma_jor grid line color:"), _("Major grid line color"),
-                     _("Color of the major (highlighted) grid lines"),
-                     "gridempcolor", "gridempopacity", _wr);
-    _rsi.init (_("_Major grid line every:"), _("lines"), "gridempspacing", _wr);
     _rcb_sgui.init (_("Show _guides"), _("Show or hide guides"), "showguides", _wr);
     _rcp_gui.init (_("Guide co_lor:"), _("Guideline color"),
                    _("Color of guidelines"), "guidecolor", "guideopacity", _wr);
     _rcp_hgui.init (_("_Highlight color:"), _("Highlighted guideline color"),
                     _("Color of a guideline when it is under mouse"),
                     "guidehicolor", "guidehiopacity", _wr);
-    Gtk::Label *label_grid = manage (new Gtk::Label);
-    label_grid->set_markup (_("<b>Grid</b>"));
+                    
+    _rcbsng.init (_("_Snap guides while dragging"),
+                  _("While dragging a guide, snap to object nodes or bounding box corners ('Nodes' or 'Bounding box corners' must be enabled in the 'Snap' tab)"),
+                  "inkscape:snap-guide", _wr);
+                    
     Gtk::Label *label_gui = manage (new Gtk::Label);
     label_gui->set_markup (_("<b>Guides</b>"));
 
-    const Gtk::Widget* widget_array[] =
+    Gtk::Widget *const widget_array[] =
     {
-        label_grid,         0,
-        0,                  _rcbgrid._button,
-        0,                  _rrb_gridtype._hbox,
-        _rumg._label,       _rumg._sel,
-        0,                  _rsu_ox.getSU(),
-        0,                  _rsu_oy.getSU(),
-        0,                  _rsu_sx.getSU(),
-        0,                  _rsu_sy.getSU(),
-        0,                  _rsu_ax.getSU(),
-        0,                  _rsu_az.getSU(),
-        _rcp_gcol._label,   _rcp_gcol._cp,
-        0,                  0,
-        _rcp_gmcol._label,  _rcp_gmcol._cp,
-        _rsi._label,        &_rsi._hbox,
-        0, 0,
         label_gui,       0,
         0,               _rcb_sgui._button,
         _rcp_gui._label, _rcp_gui._cp,
         _rcp_hgui._label, _rcp_hgui._cp,
+        0,                  _rcbsng._button,        
     };
 
-    attach_all (_page_grid.table(), widget_array, sizeof(widget_array));
+    attach_all(_page_guides.table(), widget_array, G_N_ELEMENTS(widget_array));
 }
 
 void
 DocumentProperties::build_snap()
 {
     _page_snap.show();
-
-    _rcbsnbo.init (_("_Snap bounding boxes to objects"),
-                _("Snap the edges of the object bounding boxes to other objects"),
-                "inkscape:object-bbox", _wr);
-    _rcbsnnob.init (_("Snap nodes _to objects"),
-                _("Snap the nodes of objects to other objects"),
-                "inkscape:object-points", _wr);
-    _rcbsnop.init (_("Snap to object _paths"),
-                _("Snap to other object paths"),
+       //General options
+       _rcbsnbb.init (_("_Bounding box corners"),
+                _("Snap bounding box corners to grid lines, to guides, and to other bounding boxes (Snapping of bounding boxes is only available in the selector tool)"),
+                "inkscape:snap-bbox", _wr);
+    _rcbsnn.init (_("_Nodes"),
+                _("Snap nodes to grid lines, to guides, to paths, and to other nodes"),
+                "inkscape:snap-nodes", _wr);
+
+    //Options for snapping to objects
+    _rcbsnop.init (_("Snap to pat_hs"),
+                _("Snap nodes to object paths"),
                 "inkscape:object-paths", _wr);
-    _rcbsnon.init (_("Snap to object _nodes"),
-                _("Snap to other object nodes"),
+    _rcbsnon.init (_("Snap to n_odes"),
+                _("Snap nodes and guides to object nodes"),
                 "inkscape:object-nodes", _wr);
-    _rsu_sno.init (_("Snap s_ensitivity:"), _("Always snap"),
-                  _("Controls max. snapping distance from object"),
-                  _("If set, objects snap to the nearest object when moved, regardless of distance"),
+    _rcbsnbbn.init (_("Snap to bounding box co_rners"),
+                _("Snap bounding box corners to other bounding box corners"),
+                "inkscape:bbox-nodes", _wr);
+    _rcbsnbbp.init (_("Snap to bounding box _edges"),
+                _("Snap bounding box corners and guides to bounding box edges"),
+                "inkscape:bbox-paths", _wr);
+
+    _rsu_sno.init (_("Snap _distance"), _("Snap at any d_istance"),
+                  _("Snapping distance, in screen pixels, for snapping to objects"),
+                  _("If set, objects snap to the nearest object, regardless of distance"),
                   "objecttolerance", _wr);
-    _rcbsnbb.init (_("Snap _bounding boxes to grid"),
-                _("Snap the edges of the object bounding boxes"),
-                "inkscape:grid-bbox", _wr);
-    _rcbsnnod.init (_("Snap nodes to _grid"),
-                _("Snap path nodes, text baselines, ellipse centers, etc."),
-                "inkscape:grid-points", _wr);
-    _rsu_sn.init (_("Snap sens_itivity:"), _("Always snap"),
-                  _("Controls max. snapping distance from grid"),
-                  _("If set, objects snap to the nearest grid line when moved, regardless of distance"),
+
+    //Options for snapping to grids
+    _rsu_sn.init (_("Snap di_stance"), _("Snap at any dis_tance"),
+                  _("Snapping distance, in screen pixels, for snapping to grid"),
+                  _("If set, objects snap to the nearest grid line, regardless of distance"),
                   "gridtolerance", _wr);
-    _rcb_snpgui.init (_("Snap bounding boxes to g_uides"),
-                     _("Snap the edges of the object bounding boxes"),
-                     "inkscape:guide-bbox", _wr);
-    _rcb_snbgui.init (_("Snap p_oints to guides"),
-                _("Snap path nodes, text baselines, ellipse centers, etc."),
-                "inkscape:guide-points", _wr);
-    _rsu_gusn.init (_("Snap sensiti_vity:"), _("Always snap"),
-                _("Controls max. snapping distance from guides"),
-                _("If set, objects snap to the nearest guide when moved, regardless of distance"),
+
+       //Options for snapping to guides
+    _rsu_gusn.init (_("Snap dist_ance"), _("Snap at any distan_ce"),
+                _("Snapping distance, in screen pixels, for snapping to guides"),
+                _("If set, objects snap to the nearest guide, regardless of distance"),
                 "guidetolerance", _wr);
-//    _rrb_pix.init (_("Sensitivity:"), _("S_creen pixels"), _("p_x units"),
-//                _("Sensitivity is always the same, regardless of zoom."),
-//                _("Sensitivity changes with zoom; zooming in will enlarge max. snapping distance."),
-//                _("inkscape:has_abs_tolerance"), _wr);
+
+    //Other options to locate here: e.g. visual snapping indicators on/off
+
+    std::list<Gtk::ToggleButton*> slaves;
+    slaves.push_back(_rcbsnop._button);
+    slaves.push_back(_rcbsnon._button);
+    _rcbsnn.setSlaveButton(slaves);
+
+    slaves.clear();
+    slaves.push_back(_rcbsnbbp._button);
+    slaves.push_back(_rcbsnbbn._button);
+    _rcbsnbb.setSlaveButton(slaves);
+
+    Gtk::Label *label_g = manage (new Gtk::Label);
+    label_g->set_markup (_("<b>Snapping of</b>"));
     Gtk::Label *label_o = manage (new Gtk::Label);
-    label_o->set_markup (_("<b>Object Snapping</b>"));
+    label_o->set_markup (_("<b>Snapping to objects</b>"));
     Gtk::Label *label_gr = manage (new Gtk::Label);
-    label_gr->set_markup (_("<b>Grid Snapping</b>"));
+    label_gr->set_markup (_("<b>Snapping to grids</b>"));
     Gtk::Label *label_gu = manage (new Gtk::Label);
-    label_gu->set_markup (_("<b>Guide Snapping</b>"));
+    label_gu->set_markup (_("<b>Snapping to guides</b>"));
+    Gtk::Label *label_m = manage (new Gtk::Label);
+    label_m->set_markup (_("<b>Miscellaneous</b>"));
 
-    const Gtk::Widget* array[] =
+    Gtk::Widget *const array[] =
     {
+        label_g,            0,
+        0,                  _rcbsnn._button,
+        0,                  _rcbsnbb._button,
+        0,                                     0,
+        0,                  0,
+        0,                                     0,
+        0,                                     0,
         label_o,            0,
-        0,                  _rcbsnbo._button,
-        0,                  _rcbsnnob._button,
-        0,                  _rcbsnop._button,
-        0,                  _rcbsnon._button,
+        0,                                     _rcbsnop._button,
+        0,                                     _rcbsnon._button,
+        0,                  _rcbsnbbp._button,
+        0,                  _rcbsnbbn._button,
         0,                  _rsu_sno._vbox,
-        0, 0,
+        0,                                     0,
         label_gr,           0,
-        0,                  _rcbsnbb._button,
-        0,                  _rcbsnnod._button,
         0,                  _rsu_sn._vbox,
-        0, 0,
-        label_gu,         0,
-        0,                _rcb_snpgui._button,
-        0,                _rcb_snbgui._button,
-        0,                _rsu_gusn._vbox,
-//        0, 0,
-//        0,                _rrb_pix._hbox,
+        0,                                     0,
+        label_gu,              0,
+        0,                     _rsu_gusn._vbox
     };
 
-    attach_all (_page_snap.table(), array, sizeof(array));
+    attach_all(_page_snap.table(), array, G_N_ELEMENTS(array));
  }
 
+void
+DocumentProperties::build_snap_dtls()
+{
+    _page_snap_dtls.show();
+       
+       _rcbsigg.init (_("_Grid with guides"),
+                _("Snap to grid-guide intersections"),
+                "inkscape:snap-intersection-grid-guide", _wr);
+       
+       _rcbsils.init (_("_Line segments"),
+                _("Snap to intersections of line segments ('snap to paths' must be enabled, see the previous tab)"),
+                "inkscape:snap-intersection-line-segments", _wr);
+    
+    //Applies to both nodes and guides, but not to bboxes, that's why its located here
+    _rcbic.init (_("_Include the object's rotation center"),
+                _("Also snap the rotation center of an object when snapping nodes or guides"),
+                "inkscape:snap-center", _wr);
+    
+    //Other options to locate here: e.g. visual snapping indicators on/off
+
+    Gtk::Label *label_i= manage (new Gtk::Label);
+    label_i->set_markup (_("<b>Snapping to intersections of</b>"));
+    Gtk::Label *label_m = manage (new Gtk::Label);
+    label_m->set_markup (_("<b>Miscellaneous</b>"));
+
+    Gtk::Widget *const array[] =
+    {
+        label_i,            0,
+        0,                  _rcbsigg._button,
+        0,                  _rcbsils._button,
+        0,                  0,
+        label_m,            0,
+        0,                  _rcbic._button,
+    };
+
+    attach_all(_page_snap_dtls.table(), array, G_N_ELEMENTS(array));
+}
+
 /**
 * Called for _updating_ the dialog (e.g. when a new grid was manually added in XML)
 */
 void
 DocumentProperties::update_gridspage()
 {
-    SPDesktop *dt = SP_ACTIVE_DESKTOP;
+    SPDesktop *dt = getDesktop();
     SPNamedView *nv = sp_desktop_namedview(dt);
 
     //remove all tabs
@@ -403,18 +394,18 @@ DocumentProperties::update_gridspage()
     }
 
     //add tabs
+    bool grids_present = false;
     for (GSList const * l = nv->grids; l != NULL; l = l->next) {
         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
         _grids_notebook.append_page(grid->getWidget(), grid->repr->attribute("id"));
-
+        grids_present = true;
     }
     _grids_notebook.show_all();
 
-    const Gtk::Widget* widget_array[] =
-    {
-        (Gtk::Widget*) &_grids_notebook, 0
-    };
-    attach_all (_page_grids.table(), widget_array, sizeof(widget_array),3); // FIXME: a hack to let GTK show all tabs, otherwise XML manually added grids setting widgets do no show.
+    if (grids_present)
+        _grids_button_remove.show();
+    else
+        _grids_button_remove.hide();
 }
 
 /**
@@ -423,36 +414,37 @@ DocumentProperties::update_gridspage()
 void
 DocumentProperties::build_gridspage()
 {
-    _page_grids.show();
+    /// \todo FIXME: gray out snapping when grid is off.
+    /// Dissenting view: you want snapping without grid.
 
-    SPDesktop *dt = SP_ACTIVE_DESKTOP;
+    SPDesktop *dt = getDesktop();
     SPNamedView *nv = sp_desktop_namedview(dt);
 
-    Gtk::Label* label_crea = manage (new Gtk::Label);
-    label_crea->set_markup (_("<b>Creation</b>"));
-    Gtk::Label* label_crea_type = manage (new Gtk::Label);
-    label_crea_type->set_markup (_("Gridtype"));
-    
-    _grids_entry_gridtype.set_text(Glib::ustring("xygrid"));
-    
-    Gtk::Label* label_def = manage (new Gtk::Label);
-    label_def->set_markup (_("<b>Defined grids</b>"));
+    _grids_label_crea.set_markup(_("<b>Creation</b>"));
+    _grids_label_def.set_markup(_("<b>Defined grids</b>"));
+    _grids_hbox_crea.pack_start(_grids_combo_gridtype, true, true);
+    _grids_hbox_crea.pack_start(_grids_button_new, true, true);
+
+    for (gint t = 0; t <= GRID_MAXTYPENR; t++) {
+        _grids_combo_gridtype.append_text( CanvasGrid::getName( (GridType) t ) );
+    }
+    _grids_combo_gridtype.set_active_text( CanvasGrid::getName(GRID_RECTANGULAR) );
 
     for (GSList const * l = nv->grids; l != NULL; l = l->next) {
         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
         _grids_notebook.append_page(grid->getWidget(), grid->repr->attribute("id"));
     }
 
-    const Gtk::Widget* widget_array[] =
-    {
-        label_crea, 0,
-        label_crea_type, (Gtk::Widget*) &_grids_entry_gridtype,
-        (Gtk::Widget*) &_grids_button_new,         (Gtk::Widget*) &_grids_button_remove, 
-        label_def,         0,
-        (Gtk::Widget*) &_grids_notebook, 0
-    };
+    _grids_space.set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
 
-    attach_all (_page_grids.table(), widget_array, sizeof(widget_array));
+    _grids_vbox.set_spacing(4);
+    _grids_vbox.pack_start(_grids_label_crea, false, false);
+    _grids_vbox.pack_start(_grids_hbox_crea, false, false);
+    _grids_vbox.pack_start(_grids_space, false, false);
+    _grids_vbox.pack_start(_grids_label_def, false, false);
+    _grids_vbox.pack_start(_grids_notebook, false, false);
+    _grids_vbox.pack_start(_grids_button_remove, false, false);
+    _grids_button_remove.hide();
 }
 
 
@@ -465,7 +457,7 @@ DocumentProperties::update()
 {
     if (_wr.isUpdating()) return;
 
-    SPDesktop *dt = SP_ACTIVE_DESKTOP;
+    SPDesktop *dt = getDesktop();
     SPNamedView *nv = sp_desktop_namedview(dt);
 
     _wr.setUpdating (true);
@@ -485,54 +477,26 @@ DocumentProperties::update()
     double const doc_h_px = sp_document_height(sp_desktop_document(dt));
     _page_sizer.setDim (doc_w_px, doc_h_px);
 
-    //-----------------------------------------------------------grid page
-    _rcbgrid.setActive (nv->showgrid);
-    _rrb_gridtype.setValue (nv->gridtype);
-    _rumg.setUnit (nv->gridunit);
-
-    gdouble val;
-    val = nv->gridorigin[NR::X];
-    val = sp_pixels_get_units (val, *(nv->gridunit));
-    _rsu_ox.setValue (val);
-    val = nv->gridorigin[NR::Y];
-    val = sp_pixels_get_units (val, *(nv->gridunit));
-    _rsu_oy.setValue (val);
-    val = nv->gridspacing[NR::X];
-    double gridx = sp_pixels_get_units (val, *(nv->gridunit));
-    _rsu_sx.setValue (gridx);
-    val = nv->gridspacing[NR::Y];
-    double gridy = sp_pixels_get_units (val, *(nv->gridunit));
-    _rsu_sy.setValue (gridy);
-
-    val = nv->gridangle[0];
-    _rsu_ax.setValue (val);
-    val = nv->gridangle[1];
-    _rsu_az.setValue (val);
-
-    _rcp_gcol.setRgba32 (nv->gridcolor);
-    _rcp_gmcol.setRgba32 (nv->gridempcolor);
-    _rsi.setValue (nv->gridempspacing);
-
     //-----------------------------------------------------------guide
     _rcb_sgui.setActive (nv->showguides);
     _rcp_gui.setRgba32 (nv->guidecolor);
     _rcp_hgui.setRgba32 (nv->guidehicolor);
 
     //-----------------------------------------------------------snap
-    _rcbsnbo.setActive (nv->snap_manager.object.getSnapTo(Inkscape::Snapper::BBOX_POINT));
-    _rcbsnnob.setActive (nv->snap_manager.object.getSnapTo(Inkscape::Snapper::SNAP_POINT));
-    _rcbsnop.setActive (nv->snap_manager.object.getSnapToPaths());
-    _rcbsnop.setActive (nv->snap_manager.object.getSnapToNodes());
-    _rsu_sno.setValue (nv->objecttolerance, nv->has_abs_tolerance);
 
-    _rcbsnbb.setActive (nv->snap_manager.grid.getSnapTo(Inkscape::Snapper::BBOX_POINT));
-    _rcbsnnod.setActive (nv->snap_manager.grid.getSnapTo(Inkscape::Snapper::SNAP_POINT));
-    _rsu_sn.setValue (nv->gridtolerance, nv->has_abs_tolerance);
+    _rcbsnbb.setActive (nv->snap_manager.getSnapModeBBox());
+    _rcbsnn.setActive (nv->snap_manager.getSnapModeNode());
+    _rcbsng.setActive (nv->snap_manager.getSnapModeGuide());
+    _rcbic.setActive (nv->snap_manager.getIncludeItemCenter());
+    _rcbsnop.setActive(nv->snap_manager.object.getSnapToItemPath());
+    _rcbsnon.setActive(nv->snap_manager.object.getSnapToItemNode());
+    _rcbsnbbp.setActive(nv->snap_manager.object.getSnapToBBoxPath());
+    _rcbsnbbn.setActive(nv->snap_manager.object.getSnapToBBoxNode());
+    _rsu_sno.setValue (nv->objecttolerance);
+
+    _rsu_sn.setValue (nv->gridtolerance);
 
-    _rcb_snpgui.setActive (nv->snap_manager.guide.getSnapTo(Inkscape::Snapper::BBOX_POINT));
-    _rcb_snbgui.setActive (nv->snap_manager.guide.getSnapTo(Inkscape::Snapper::SNAP_POINT));
-    _rsu_gusn.setValue (nv->guidetolerance, nv->has_abs_tolerance);
-//    _rrb_pix.setValue (true);
+    _rsu_gusn.setValue (nv->guidetolerance);
 
     //-----------------------------------------------------------grids page
 
@@ -550,8 +514,6 @@ DocumentProperties::on_response (int id)
     {
         _rcp_bg.closeWindow();
         _rcp_bord.closeWindow();
-        _rcp_gcol.closeWindow();
-        _rcp_gmcol.closeWindow();
         _rcp_gui.closeWindow();
         _rcp_hgui.closeWindow();
     }
@@ -560,83 +522,62 @@ DocumentProperties::on_response (int id)
         hide();
 }
 
-
-
-static void
-on_child_added(Inkscape::XML::Node *repr, Inkscape::XML::Node *child, Inkscape::XML::Node *ref, void * data)
+void 
+DocumentProperties::_handleDocumentReplaced(SPDesktop* desktop, SPDocument *document)
 {
-    if (!_instance)
-        return;
-
-    _instance->update_gridspage();
+    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
+    repr->addListener(&_repr_events, this);
+    Inkscape::XML::Node *root = SP_OBJECT_REPR(document->root);
+    root->addListener(&_repr_events, this);
+    update();
 }
 
-static void
-on_child_removed(Inkscape::XML::Node *repr, Inkscape::XML::Node *child, Inkscape::XML::Node *ref, void * data)
+void 
+DocumentProperties::_handleActivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 {
-    if (!_instance)
-        return;
-
-    _instance->update_gridspage();
+    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
+    repr->addListener(&_repr_events, this);
+    Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
+    root->addListener(&_repr_events, this);
+    update();
 }
 
-
-
-/**
- * Called when XML node attribute changed; updates dialog widgets.
- */
-static void
-on_repr_attr_changed (Inkscape::XML::Node *, gchar const *, gchar const *, gchar const *, bool, gpointer)
+void
+DocumentProperties::_handleDeactivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 {
-    if (!_instance)
-        return;
-
-    _instance->update();
+    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
+    repr->removeListenerByData(this);
+    Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
+    root->removeListenerByData(this);
 }
 
 static void
-on_activate_desktop (Inkscape::Application *, SPDesktop* dt, void*)
+on_child_added(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 {
-    if (!_instance)
-        return;
-
-    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(SP_ACTIVE_DESKTOP));
-    repr->addListener (&_repr_events, _instance);
-    Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(SP_ACTIVE_DESKTOP)->root);
-    root->addListener (&_repr_events, _instance);
-    _instance->_doc_replaced_connection = SP_ACTIVE_DESKTOP->connectDocumentReplaced (sigc::ptr_fun (on_doc_replaced));
-    _instance->update();
+    if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
+       dialog->update_gridspage();
 }
 
 static void
-on_deactivate_desktop (Inkscape::Application *, SPDesktop* dt, void*)
+on_child_removed(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 {
-    if (!_instance)
-        return;
-
-    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(SP_ACTIVE_DESKTOP));
-    repr->removeListenerByData (_instance);
-    Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(SP_ACTIVE_DESKTOP)->root);
-    root->removeListenerByData (_instance);
-    _instance->_doc_replaced_connection.disconnect();
+    if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
+       dialog->update_gridspage();
 }
 
+
+
+/**
+ * Called when XML node attribute changed; updates dialog widgets.
+ */
 static void
-on_doc_replaced (SPDesktop* dt, SPDocument* doc)
+on_repr_attr_changed (Inkscape::XML::Node *, gchar const *, gchar const *, gchar const *, bool, gpointer data)
 {
-    if (!_instance)
-        return;
-
-    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(dt));
-    repr->addListener (&_repr_events, _instance);
-    Inkscape::XML::Node *root = SP_OBJECT_REPR(doc->root);
-    root->addListener (&_repr_events, _instance);
-    _instance->update();
+    if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
+       dialog->update();
 }
 
 
-
-
 /*########################################################################
 # BUTTON CLICK HANDLERS    (callbacks)
 ########################################################################*/
@@ -644,10 +585,12 @@ on_doc_replaced (SPDesktop* dt, SPDocument* doc)
 void
 DocumentProperties::onNewGrid()
 {
-    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(SP_ACTIVE_DESKTOP));
+    SPDesktop *dt = getDesktop();
+    Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(dt));
+    SPDocument *doc = sp_desktop_document(dt);
 
-    Glib::ustring typestring = _grids_entry_gridtype.get_text();
-    CanvasGrid::writeNewGridToRepr(repr, typestring.c_str()); // FIXME ofcourse user should supply choice for gridtype 
+    Glib::ustring typestring = _grids_combo_gridtype.get_active_text();
+    CanvasGrid::writeNewGridToRepr(repr, doc, CanvasGrid::getGridTypeFromName(typestring.c_str()));
 }
 
 
@@ -655,11 +598,16 @@ void
 DocumentProperties::onRemoveGrid()
 {
     gint pagenum = _grids_notebook.get_current_page();
+    if (pagenum == -1) // no pages
+      return;
+
     Gtk::Widget *page = _grids_notebook.get_nth_page(pagenum);
+    if (!page) return;
+
     Glib::ustring tabtext = _grids_notebook.get_tab_label_text(*page);
-    
+
     // find the grid with name tabtext (it's id) and delete that one.
-    SPDesktop *dt = SP_ACTIVE_DESKTOP;
+    SPDesktop *dt = getDesktop();
     SPNamedView *nv = sp_desktop_namedview(dt);
     Inkscape::CanvasGrid * found_grid = NULL;
     for (GSList const * l = nv->grids; l != NULL; l = l->next) {
@@ -674,6 +622,7 @@ DocumentProperties::onRemoveGrid()
         // delete the grid that corresponds with the selected tab
         // when the grid is deleted from SVG, the SPNamedview handler automatically deletes the object, so found_grid becomes an invalid pointer!
         found_grid->repr->parent()->removeChild(found_grid->repr);
+        sp_document_done(sp_desktop_document(dt), SP_VERB_DIALOG_NAMEDVIEW, _("Remove grid"));
     }
 }