Code

another canvas repaint optimization: if the new rect and the rect aborted last time...
[inkscape.git] / src / widgets / toolbox.cpp
index 7ff4f115e2e00d4ef5732fdb84f0442d1d822c7f..1e4401f106d9bb364dafeaa88bb199aff09ce92c 100644 (file)
@@ -76,6 +76,7 @@
 #include "../prefs-utils.h"
 #include "../inkscape-stock.h"
 #include "icon.h"
+#include "graphlayout/graphlayout.h"
 
 #include "mod360.h"
 
@@ -851,7 +852,7 @@ sp_stb_magnitude_value_changed(GtkAdjustment *adj, GtkWidget *tbl)
         }
     }
     if (modmade)  sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_STAR, 
-                                   /* TODO: annotate */ "toolbox.cpp:854");
+                                   _("Star: Change number of corners"));
 
     g_object_set_data(G_OBJECT(tbl), "freeze", GINT_TO_POINTER(FALSE));
 
@@ -896,7 +897,7 @@ sp_stb_proportion_value_changed(GtkAdjustment *adj, GtkWidget *tbl)
     }
 
     if (modmade) sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_STAR, 
-                                  /* TODO: annotate */ "toolbox.cpp:899");
+                                   _("Star: Change spike ratio"));
 
     g_object_set_data(G_OBJECT(tbl), "freeze", GINT_TO_POINTER(FALSE));
 
@@ -950,7 +951,7 @@ sp_stb_sides_flat_state_changed(GtkWidget *widget, GtkObject *tbl)
         }
     }
     if (modmade) sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_STAR, 
-                                  /* TODO: annotate */ "toolbox.cpp:953");
+                                  gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget))? _("Make polygon") : _("Make star"));
 
     g_object_set_data(G_OBJECT(tbl), "freeze", GINT_TO_POINTER(FALSE));
 
@@ -987,7 +988,7 @@ sp_stb_rounded_value_changed(GtkAdjustment *adj, GtkWidget *tbl)
         }
     }
     if (modmade)  sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_STAR, 
-                                   /* TODO: annotate */ "toolbox.cpp:990");
+                                   _("Star: Change rounding"));
 
     g_object_set_data(G_OBJECT(tbl), "freeze", GINT_TO_POINTER(FALSE));
 
@@ -1025,7 +1026,7 @@ sp_stb_randomized_value_changed(GtkAdjustment *adj, GtkWidget *tbl)
         }
     }
     if (modmade)  sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_STAR, 
-                                   /* TODO: annotate */ "toolbox.cpp:1028");
+                                   _("Star: Change randomization"));
 
     g_object_set_data(G_OBJECT(tbl), "freeze", GINT_TO_POINTER(FALSE));
 
@@ -1365,7 +1366,7 @@ sp_rtb_value_changed(GtkAdjustment *adj, GtkWidget *tbl, gchar const *value_name
 
     if (modmade) {
         sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_RECT, 
-                         /* TODO: annotate */ "toolbox.cpp:1368");
+                                   _("Change rectangle"));
     }
 
     g_object_set_data(G_OBJECT(tbl), "freeze", GINT_TO_POINTER(FALSE));
@@ -1682,7 +1683,7 @@ sp_spl_tb_value_changed(GtkAdjustment *adj, GtkWidget *tbl, gchar const *value_n
 
     if (modmade) {
         sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SPIRAL, 
-                         /* TODO: annotate */ "toolbox.cpp:1685");
+                                   _("Change spiral"));
     }
 
     g_object_set_data(G_OBJECT(tbl), "freeze", GINT_TO_POINTER(FALSE));
@@ -1942,9 +1943,9 @@ sp_ddc_mass_value_changed(GtkAdjustment *adj, GtkWidget *tbl)
 }
 
 static void
-sp_ddc_drag_value_changed(GtkAdjustment *adj, GtkWidget *tbl)
+sp_ddc_wiggle_value_changed(GtkAdjustment *adj, GtkWidget *tbl)
 {
-    prefs_set_double_attribute("tools.calligraphic", "drag", adj->value);
+    prefs_set_double_attribute("tools.calligraphic", "wiggle", adj->value);
     spinbutton_defocus(GTK_OBJECT(tbl));
 }
 
@@ -1983,6 +1984,13 @@ sp_ddc_tremor_value_changed(GtkAdjustment *adj, GtkWidget *tbl)
     spinbutton_defocus(GTK_OBJECT(tbl));
 }
 
+static void
+sp_ddc_cap_rounding_value_changed(GtkAdjustment *adj, GtkWidget *tbl)
+{
+    prefs_set_double_attribute("tools.calligraphic", "cap_rounding", adj->value);
+    spinbutton_defocus(GTK_OBJECT(tbl));
+}
+
 static void
 sp_ddc_pressure_state_changed(GtkWidget *button, gpointer data)
 {
@@ -2005,12 +2013,13 @@ static void sp_ddc_defaults(GtkWidget *, GtkWidget *tbl)
         double value;
     } const key_values[] = {
         {"mass", 0.02},
-        {"drag", 1.0},
+        {"wiggle", 0.0},
         {"angle", 30.0},
         {"width", 15},
         {"thinning", 0.1},
         {"tremor", 0.0},
-        {"flatness", 0.9}
+        {"flatness", 0.9},
+        {"cap_rounding", 0.0}
     };
 
     for (unsigned i = 0; i < G_N_ELEMENTS(key_values); ++i) {
@@ -2070,7 +2079,7 @@ sp_calligraphy_toolbox_new(SPDesktop *desktop)
 
     /* Fixation */
     {
-        GtkWidget *hb = sp_tb_spinbutton(_("Fixation:"), _("How fixed is the pen angle (0 = always perpendicular to stroke direction, 1 = fixed)"),
+        GtkWidget *hb = sp_tb_spinbutton(_("Fixation:"), _("Angle behavior (0 = nib always perpendicular to stroke direction, 1 = fixed angle)"),
                                          "tools.calligraphic", "flatness", 0.9,
                                          NULL, tbl, FALSE, NULL,
                                          0.0, 1.0, 0.01, 0.1,
@@ -2078,36 +2087,48 @@ sp_calligraphy_toolbox_new(SPDesktop *desktop)
         gtk_box_pack_start(GTK_BOX(tbl), hb, FALSE, FALSE, AUX_SPACING);
     }
 
+    /* Cap Rounding */
+    {
+        // TRANSLATORS: "cap" means "end" (both start and finish) here
+        GtkWidget *hb = sp_tb_spinbutton(_("Round:"), _("Increase to round the ends of strokes"),
+                                         "tools.calligraphic", "cap_rounding", 0.0,
+                                         NULL, tbl, FALSE, NULL,
+                                         0.0, 1.0, 0.01, 0.1,
+                                         sp_ddc_cap_rounding_value_changed, 0.01, 2);
+        gtk_box_pack_start(GTK_BOX(tbl), hb, FALSE, FALSE, AUX_SPACING);
+    }
+
     //  interval
     gtk_box_pack_start(GTK_BOX(tbl), gtk_hbox_new(FALSE, 0), FALSE, FALSE, AUX_BETWEEN_BUTTON_GROUPS);
 
     /* Tremor */
     {
-        GtkWidget *hb = sp_tb_spinbutton(_("Tremor:"), _("How uneven or trembling is the pen stroke"),
+        GtkWidget *hb = sp_tb_spinbutton(_("Tremor:"), _("Increase to make strokes rugged and trembling"),
                                          "tools.calligraphic", "tremor", 0.0,
                                          NULL, tbl, FALSE, NULL,
                                          0.0, 1.0, 0.01, 0.1,
                                          sp_ddc_tremor_value_changed, 0.01, 2);
         gtk_box_pack_start(GTK_BOX(tbl), hb, FALSE, FALSE, AUX_SPACING);
     }
-    /* Mass */
+
+    /* Wiggle */
     {
-        GtkWidget *hb = sp_tb_spinbutton(_("Mass:"), _("How much inertia affects the movement of the pen"),
-                                         "tools.calligraphic", "mass", 0.02,
+        GtkWidget *hb = sp_tb_spinbutton(_("Wiggle:"), _("Increase to make the pen waver and wiggle"),
+                                         "tools.calligraphic", "wiggle", 0.0,
                                          NULL, tbl, FALSE, NULL,
                                          0.0, 1.0, 0.01, 0.1,
-                                         sp_ddc_mass_value_changed, 0.01, 2);
+                                         sp_ddc_wiggle_value_changed, 0.01, 2);
         gtk_box_pack_start(GTK_BOX(tbl), hb, FALSE, FALSE, AUX_SPACING);
     }
 
-    /* Drag */
+
+    /* Mass */
     {
-        // TRANSLATORS: "drag" means "resistance" here
-        GtkWidget *hb = sp_tb_spinbutton(_("Drag:"), _("How much resistance affects the movement of the pen"),
-                                         "tools.calligraphic", "drag", 1,
+        GtkWidget *hb = sp_tb_spinbutton(_("Mass:"), _("Increase to make the pen drag behind, as if slowed by inertia"),
+                                         "tools.calligraphic", "mass", 0.02,
                                          NULL, tbl, FALSE, NULL,
                                          0.0, 1.0, 0.01, 0.1,
-                                         sp_ddc_drag_value_changed, 0.01, 2);
+                                         sp_ddc_mass_value_changed, 0.01, 2);
         gtk_box_pack_start(GTK_BOX(tbl), hb, FALSE, FALSE, AUX_SPACING);
     }
 
@@ -2244,7 +2265,7 @@ sp_arctb_startend_value_changed(GtkAdjustment *adj, GtkWidget *tbl, gchar const
 
     if (modmade) {
         sp_document_maybe_done(sp_desktop_document(desktop), value_name, SP_VERB_CONTEXT_ARC, 
-                               /* TODO: annotate */ "toolbox.cpp:2247");
+                                   _("Arc: Change start/end"));
     }
 
     // defocus spinbuttons by moving focus to the canvas, unless "stay" is on
@@ -2317,7 +2338,7 @@ sp_arctb_open_state_changed(GtkWidget *widget, GtkObject *tbl)
 
     if (modmade) {
         sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_ARC, 
-                         /* TODO: annotate */ "toolbox.cpp:2320");
+                                   _("Arc: Change open/closed"));
     }
 
     g_object_set_data(G_OBJECT(tbl), "freeze", GINT_TO_POINTER(FALSE));
@@ -2535,10 +2556,22 @@ sp_arc_toolbox_new(SPDesktop *desktop)
 //##      Dropper       ##
 //########################
 
-static void toggle_dropper_color_pick (GtkWidget *button, gpointer data) {
+static void toggle_dropper_pick_alpha (GtkWidget *button, gpointer tbl) {
     prefs_set_int_attribute ("tools.dropper", "pick", 
-        // 0 and 1 are backwards here because of pref
-        gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)) ? 0 : 1);
+        gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)));
+    GtkWidget *set_checkbox = (GtkWidget*) g_object_get_data(G_OBJECT(tbl), "set_checkbox");
+    if (set_checkbox) {
+        if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button))) {
+            gtk_widget_set_sensitive (GTK_WIDGET (set_checkbox), TRUE);
+        } else {
+            gtk_widget_set_sensitive (GTK_WIDGET (set_checkbox), FALSE);
+        }
+    }
+}
+
+static void toggle_dropper_set_alpha (GtkWidget *button, gpointer data) {
+    prefs_set_int_attribute ("tools.dropper", "setalpha", 
+        gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)) ? 1 : 0);
 }
 
 
@@ -2721,26 +2754,43 @@ sp_dropper_toolbox_new(SPDesktop *desktop)
     
     {
         GtkWidget *hb = gtk_hbox_new(FALSE, 1);
-        
-        GtkWidget *button = 
-            sp_button_new_from_data( Inkscape::ICON_SIZE_DECORATION,
-                                     SP_BUTTON_TYPE_TOGGLE,
-                                     NULL,
-                                     "pick_color",
-                                     _("When pressed, picks visible color "
-                                      "without alpha and when not pressed, "
-                                      "picks color including its "
-                                      "alpha"),
-                                     tt);
 
+        GtkWidget *button = gtk_check_button_new_with_label(_("Pick alpha"));
+        gtk_tooltips_set_tip(tt, button, _("Pick both the color and the alpha (transparency) under cursor; otherwise, pick only the visible color premultiplied by alpha"), NULL);
+        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), 
+                                      prefs_get_int_attribute ("tools.dropper", 
+                                                               "pick", 1));
         gtk_widget_show(button);
         gtk_container_add (GTK_CONTAINER (hb), button);
+        gtk_object_set_data(GTK_OBJECT(tbl), "pick_checkbox", button);
+        g_signal_connect (G_OBJECT (button), "toggled", G_CALLBACK (toggle_dropper_pick_alpha), tbl);
+        gtk_box_pack_start(GTK_BOX(tbl), hb, FALSE, FALSE, 
+                   AUX_BETWEEN_BUTTON_GROUPS);
+    }
 
-        g_signal_connect_after (G_OBJECT (button), "clicked", 
-                                G_CALLBACK (toggle_dropper_color_pick), NULL);
+    {
+        GtkWidget *hb = gtk_hbox_new(FALSE, 1);
+
+        GtkWidget *button = gtk_check_button_new_with_label(_("Set alpha"));
+        gtk_tooltips_set_tip(tt, button, _("If alpha was picked, assign it to selection as fill or stroke transparency"), NULL);
         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), 
-                                      !prefs_get_int_attribute ("tools.dropper", 
-                                                               "pick", 0));
+                                      prefs_get_int_attribute ("tools.dropper", 
+                                                               "setalpha", 1));
+        gtk_widget_show(button);
+        gtk_container_add (GTK_CONTAINER (hb), button);
+        gtk_object_set_data(GTK_OBJECT(tbl), "set_checkbox", button);
+        g_signal_connect (G_OBJECT (button), "toggled", G_CALLBACK (toggle_dropper_set_alpha), tbl);
+
+        // make sure it's disabled if we're not picking alpha
+        GtkWidget *pick_checkbox = (GtkWidget*) g_object_get_data(G_OBJECT(tbl), "pick_checkbox");
+        if (pick_checkbox) {
+            if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (pick_checkbox))) {
+                gtk_widget_set_sensitive (GTK_WIDGET (button), TRUE);
+            } else {
+                gtk_widget_set_sensitive (GTK_WIDGET (button), FALSE);
+            }
+        }
+
         gtk_box_pack_start(GTK_BOX(tbl), hb, FALSE, FALSE, 
                    AUX_BETWEEN_BUTTON_GROUPS);
     }
@@ -3021,7 +3071,7 @@ sp_text_toolbox_family_changed (GtkTreeSelection    *selection,
     }
 
     sp_document_done (sp_desktop_document (SP_ACTIVE_DESKTOP), SP_VERB_CONTEXT_TEXT, 
-                      /* TODO: annotate */ "toolbox.cpp:3024");
+                                   _("Text: Change font family"));
     sp_repr_css_attr_unref (css);
     free (family);
     gtk_widget_hide (GTK_WIDGET (g_object_get_data (G_OBJECT(tbl), "warning-image")));        
@@ -3104,7 +3154,7 @@ sp_text_toolbox_anchoring_toggled (GtkRadioButton   *button,
 
     sp_desktop_set_style (desktop, css, true, true);
     sp_document_done (sp_desktop_document (SP_ACTIVE_DESKTOP), SP_VERB_CONTEXT_TEXT, 
-                      /* TODO: annotate */ "toolbox.cpp:3107");
+                                   _("Text: Change alignment"));
     sp_repr_css_attr_unref (css);
 
     gtk_widget_grab_focus (GTK_WIDGET(desktop->canvas));
@@ -3150,7 +3200,7 @@ sp_text_toolbox_style_toggled (GtkToggleButton  *button,
 
     sp_desktop_set_style (desktop, css, true, true);
     sp_document_done (sp_desktop_document (SP_ACTIVE_DESKTOP), SP_VERB_CONTEXT_TEXT, 
-                      /* TODO: annotate */ "toolbox.cpp:3153");
+                                   _("Text: Change font style"));
     sp_repr_css_attr_unref (css);
 
     gtk_widget_grab_focus (GTK_WIDGET(desktop->canvas));
@@ -3197,7 +3247,7 @@ sp_text_toolbox_orientation_toggled (GtkRadioButton  *button,
 
     sp_desktop_set_style (desktop, css, true, true);
     sp_document_done (sp_desktop_document (SP_ACTIVE_DESKTOP), SP_VERB_CONTEXT_TEXT, 
-                      /* TODO: annotate */ "toolbox.cpp:3200");
+                                   _("Text: Change orientation"));
     sp_repr_css_attr_unref (css);
 
     gtk_widget_grab_focus (GTK_WIDGET(desktop->canvas));
@@ -3293,7 +3343,7 @@ sp_text_toolbox_size_changed  (GtkComboBox *cbox,
 
     sp_desktop_set_style (desktop, css, true, true);
     sp_document_maybe_done (sp_desktop_document (SP_ACTIVE_DESKTOP), "ttb:size", SP_VERB_NONE, 
-                            /* TODO: annotate */ "toolbox.cpp:3296");
+                                   _("Text: Change font size"));
     sp_repr_css_attr_unref (css);
 
 
@@ -3383,6 +3433,14 @@ cell_data_func  (GtkTreeViewColumn *column,
     free (sample_escaped);
 }
 
+static void delete_completion(GObject *obj, GtkWidget *entry) {
+    GObject *completion = (GObject *) gtk_object_get_data(GTK_OBJECT(entry), "completion");
+    if (completion) {
+        gtk_entry_set_completion (GTK_ENTRY(entry), NULL);
+        g_object_unref (completion);
+    }
+}
+
 GtkWidget*
 sp_text_toolbox_new (SPDesktop *desktop)
 {
@@ -3408,8 +3466,10 @@ sp_text_toolbox_new (SPDesktop *desktop)
     gtk_entry_completion_set_minimum_key_length (completion, 1); 
     g_object_set (G_OBJECT(completion), "inline-completion", TRUE, "popup-completion", TRUE, NULL);
     gtk_entry_set_completion (GTK_ENTRY(entry), completion);
+    gtk_object_set_data(GTK_OBJECT(entry), "completion", completion);
     aux_toolbox_space (tbl, 1);
     gtk_box_pack_start (GTK_BOX (tbl), entry, FALSE, FALSE, 0);
+    g_signal_connect(G_OBJECT(tbl), "destroy", G_CALLBACK(delete_completion), entry);
         
     //Button
     GtkWidget   *button = gtk_button_new ();
@@ -3812,6 +3872,7 @@ static void sp_connector_path_set_ignore(void)
 }
 
 
+
 static void connector_spacing_changed(GtkAdjustment *adj, GtkWidget *tbl)
 {
     // quit if run by the _changed callbacks
@@ -3848,13 +3909,57 @@ static void connector_spacing_changed(GtkAdjustment *adj, GtkWidget *tbl)
     }
     
     sp_document_done(doc, SP_VERB_CONTEXT_CONNECTOR, 
-                     /* TODO: annotate */ "toolbox.cpp:3851");
+            _("Change connector spacing"));
 
     g_object_set_data(G_OBJECT(tbl), "freeze", GINT_TO_POINTER(FALSE));
     
     spinbutton_defocus(GTK_OBJECT(tbl));
 }
 
+static void sp_connector_graph_layout(void)
+{
+    if (!SP_ACTIVE_DESKTOP) return;
+
+    // hack for clones, see comment in align-and-distribute.cpp
+    int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
+    prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
+
+    graphlayout(sp_desktop_selection(SP_ACTIVE_DESKTOP)->itemList());
+
+    prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
+
+    sp_document_done(sp_desktop_document(SP_ACTIVE_DESKTOP), SP_VERB_DIALOG_ALIGN_DISTRIBUTE, _("Arrange connector network"));
+}
+
+static void
+sp_directed_graph_layout_toggled(GtkWidget *widget, GtkObject *tbl)
+{
+    if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget))) {
+        prefs_set_string_attribute("tools.connector", "directedlayout", 
+                "true");
+    } else {
+        prefs_set_string_attribute("tools.connector", "directedlayout", 
+                "false");
+    }
+}
+static void
+sp_nooverlaps_graph_layout_toggled(GtkWidget *widget, GtkObject *tbl)
+{
+    if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget))) {
+        prefs_set_string_attribute("tools.connector", "avoidoverlaplayout", 
+                "true");
+    } else {
+        prefs_set_string_attribute("tools.connector", "avoidoverlaplayout", 
+                "false");
+    }
+}
+
+
+static void connector_length_changed(GtkAdjustment *adj, GtkWidget *tbl)
+{
+    prefs_set_double_attribute("tools.connector", "length", adj->value);
+    spinbutton_defocus(GTK_OBJECT(tbl));
+}
 
 static void connector_tb_event_attr_changed(Inkscape::XML::Node *repr,
         gchar const *name, gchar const *old_value, gchar const *new_value,
@@ -3922,6 +4027,50 @@ sp_connector_toolbox_new(SPDesktop *desktop)
         gtk_box_pack_start(GTK_BOX(tbl), object_spacing, FALSE, FALSE,
                 AUX_SPACING);
     }
+    // Graph (connector network) layout
+    sp_toolbox_button_new(tbl, Inkscape::ICON_SIZE_SMALL_TOOLBAR,
+            "graph_layout", GTK_SIGNAL_FUNC(sp_connector_graph_layout),
+            tt, _("Nicely arrange selected connector network"));
+    // Default connector length spinbox
+    {
+        GtkWidget *connector_length = sp_tb_spinbutton(_("Length:"),
+                _("Ideal length for connectors when layout is applied"),
+                "tools.connector", "length", 100, NULL, tbl, TRUE,
+                "inkscape:connector-length", 10, 1000, 10.0, 100.0,
+                connector_length_changed, 1, 0);
+
+        gtk_box_pack_start(GTK_BOX(tbl), connector_length, FALSE, FALSE,
+                AUX_SPACING);
+    }
+    gchar const *tbuttonstate;
+    // Directed edges toggle button
+    {
+        GtkWidget *tbutton = gtk_toggle_button_new (); 
+        gtk_button_set_relief       (GTK_BUTTON (tbutton), GTK_RELIEF_NONE);
+        gtk_container_add           (GTK_CONTAINER (tbutton), sp_icon_new (Inkscape::ICON_SIZE_SMALL_TOOLBAR, "directed_graph")); 
+        gtk_toggle_button_set_mode  (GTK_TOGGLE_BUTTON (tbutton), FALSE);
+        gtk_tooltips_set_tip(tt, tbutton, _("Make connectors with end-markers (arrows) point downwards"), NULL);
+
+        gtk_box_pack_start  (GTK_BOX  (tbl), tbutton, FALSE, FALSE, 0);
+        g_signal_connect(G_OBJECT(tbutton), "toggled", GTK_SIGNAL_FUNC(sp_directed_graph_layout_toggled), tbl);
+        tbuttonstate = prefs_get_string_attribute("tools.connector", "directedlayout");
+        gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(tbutton), 
+                (tbuttonstate && !strcmp(tbuttonstate, "true"))?TRUE:FALSE );
+    }
+    // Avoid overlaps toggle button
+    {
+        GtkWidget *tbutton = gtk_toggle_button_new (); 
+        gtk_button_set_relief       (GTK_BUTTON (tbutton), GTK_RELIEF_NONE);
+        gtk_container_add           (GTK_CONTAINER (tbutton), sp_icon_new (Inkscape::ICON_SIZE_SMALL_TOOLBAR, "remove_overlaps")); 
+        gtk_toggle_button_set_mode  (GTK_TOGGLE_BUTTON (tbutton), FALSE);
+        gtk_tooltips_set_tip(tt, tbutton, _("Do not allow overlapping shapes"), NULL);
+
+        gtk_box_pack_start  (GTK_BOX  (tbl), tbutton, FALSE, FALSE, 0);
+        g_signal_connect(G_OBJECT(tbutton), "toggled", GTK_SIGNAL_FUNC(sp_nooverlaps_graph_layout_toggled), tbl);
+        tbuttonstate = prefs_get_string_attribute("tools.connector", "avoidoverlaplayout");
+        gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(tbutton), 
+                (tbuttonstate && !strcmp(tbuttonstate, "true"))?TRUE:FALSE );
+    }
 
     gtk_widget_show_all(tbl);
     sp_set_font_size_smaller (tbl);