Code

* Remove unused variables
[inkscape.git] / src / selection-chemistry.cpp
index ba0d89850fd4bc475d80e014cb04ccac6477de26..1225a66f369dcbef3c0d23e87a79407ff4e2bcfd 100644 (file)
@@ -39,6 +39,9 @@
 #include "sp-flowregion.h"
 #include "text-editing.h"
 #include "text-context.h"
+#include "connector-context.h"
+#include "sp-path.h"
+#include "sp-conn-end.h"
 #include "dropper-context.h"
 #include <glibmm/i18n.h>
 #include "libnr/nr-matrix-rotate-ops.h"
@@ -64,7 +67,9 @@
 #include "file.h"
 #include "layer-fns.h"
 #include "context-fns.h"
-#include <set>
+#include <map>
+#include "helper/units.h"
+#include "sp-item.h"
 using NR::X;
 using NR::Y;
 
@@ -74,6 +79,7 @@ using NR::Y;
 GSList *clipboard = NULL;
 GSList *defs_clipboard = NULL;
 SPCSSAttr *style_clipboard = NULL;
+NR::Rect size_clipboard(NR::Point(0,0), NR::Point(0,0));
 
 static void sp_copy_stuff_used_by_item(GSList **defs_clip, SPItem *item, const GSList *items);
 
@@ -207,11 +213,11 @@ void sp_selection_delete()
 
     if (tools_isactive (desktop, TOOLS_TEXT))
         if (sp_text_delete_selection(desktop->event_context)) {
-            sp_document_done(SP_DT_DOCUMENT(desktop));
+            sp_document_done(sp_desktop_document(desktop));
             return;
         }
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     // check if something is selected
     if (selection->isEmpty()) {
@@ -232,7 +238,7 @@ void sp_selection_delete()
      */
     tools_switch ( desktop, tools_active ( desktop ) );
 
-    sp_document_done(SP_DT_DOCUMENT(desktop));
+    sp_document_done(sp_desktop_document(desktop));
 }
 
 /* fixme: sequencing */
@@ -242,7 +248,7 @@ void sp_selection_duplicate()
     if (desktop == NULL)
         return;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     // check if something is selected
     if (selection->isEmpty()) {
@@ -270,7 +276,7 @@ void sp_selection_duplicate()
         Inkscape::GC::release(copy);
     }
 
-    sp_document_done(SP_DT_DOCUMENT(desktop));
+    sp_document_done(sp_desktop_document(desktop));
 
     selection->setReprList(newsel);
 
@@ -283,8 +289,8 @@ void sp_edit_clear_all()
     if (!dt)
         return;
 
-    SPDocument *doc = SP_DT_DOCUMENT(dt);
-    SP_DT_SELECTION(dt)->clear();
+    SPDocument *doc = sp_desktop_document(dt);
+    sp_desktop_selection(dt)->clear();
 
     g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
     GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
@@ -325,11 +331,11 @@ void sp_edit_select_all_full (bool force_all_layers, bool invert)
     if (!dt)
         return;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(dt);
+    Inkscape::Selection *selection = sp_desktop_selection(dt);
 
     g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
 
-    bool inlayer = prefs_get_int_attribute ("options.kbselection", "inlayer", 1);
+    PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
     bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
     bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
 
@@ -340,8 +346,11 @@ void sp_edit_select_all_full (bool force_all_layers, bool invert)
         exclude = selection->itemList();
     }
 
-    if (inlayer && !force_all_layers) {
+    if (force_all_layers)
+        inlayer = PREFS_SELECTION_ALL;
 
+    switch (inlayer) {
+        case PREFS_SELECTION_LAYER: {
         if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
              (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
         return;
@@ -363,9 +372,16 @@ void sp_edit_select_all_full (bool force_all_layers, bool invert)
         }
 
         g_slist_free (all_items);
-
-    } else {
+            break;
+        }
+        case PREFS_SELECTION_LAYER_RECURSIVE: {
+            items = get_all_items (NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
+            break;
+        }
+        default: {
         items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
+            break;
+    }
     }
 
     selection->setList (items);
@@ -401,9 +417,9 @@ void sp_selection_group()
     if (desktop == NULL)
         return;
 
-    SPDocument *document = SP_DT_DOCUMENT (desktop);
+    SPDocument *document = sp_desktop_document (desktop);
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     // Check if something is selected.
     if (selection->isEmpty()) {
@@ -485,7 +501,7 @@ void sp_selection_group()
     // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
     group->setPosition(topmost + 1);
 
-    sp_document_done(SP_DT_DOCUMENT(desktop));
+    sp_document_done(sp_desktop_document(desktop));
 
     selection->set(group);
     Inkscape::GC::release(group);
@@ -497,7 +513,7 @@ void sp_selection_ungroup()
     if (desktop == NULL)
         return;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     if (selection->isEmpty()) {
         desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
@@ -546,7 +562,7 @@ void sp_selection_ungroup()
 
     g_slist_free(items);
 
-    sp_document_done(SP_DT_DOCUMENT(desktop));
+    sp_document_done(sp_desktop_document(desktop));
 }
 
 static SPGroup *
@@ -606,7 +622,7 @@ sp_selection_raise()
     if (!desktop)
         return;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     GSList const *items = (GSList *) selection->itemList();
     if (!items) {
@@ -647,7 +663,7 @@ sp_selection_raise()
         rev = g_slist_remove(rev, child);
     }
 
-    sp_document_done(SP_DT_DOCUMENT(desktop));
+    sp_document_done(sp_desktop_document(desktop));
 }
 
 void sp_selection_raise_to_top()
@@ -656,8 +672,8 @@ void sp_selection_raise_to_top()
     if (desktop == NULL)
         return;
 
-    SPDocument *document = SP_DT_DOCUMENT(desktop);
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    SPDocument *document = sp_desktop_document(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     if (selection->isEmpty()) {
         desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
@@ -692,7 +708,7 @@ sp_selection_lower()
     if (desktop == NULL)
         return;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     GSList const *items = (GSList *) selection->itemList();
     if (!items) {
@@ -738,7 +754,7 @@ sp_selection_lower()
         rev = g_slist_remove(rev, child);
     }
 
-    sp_document_done(SP_DT_DOCUMENT(desktop));
+    sp_document_done(sp_desktop_document(desktop));
 
 }
 
@@ -748,8 +764,8 @@ void sp_selection_lower_to_bottom()
     if (desktop == NULL)
         return;
 
-    SPDocument *document = SP_DT_DOCUMENT(desktop);
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    SPDocument *document = sp_desktop_document(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     if (selection->isEmpty()) {
         desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
@@ -792,14 +808,14 @@ void sp_selection_lower_to_bottom()
 void
 sp_undo(SPDesktop *desktop, SPDocument *)
 {
-        if (!sp_document_undo(SP_DT_DOCUMENT(desktop)))
+        if (!sp_document_undo(sp_desktop_document(desktop)))
             desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
 }
 
 void
 sp_redo(SPDesktop *desktop, SPDocument *)
 {
-        if (!sp_document_redo(SP_DT_DOCUMENT(desktop)))
+        if (!sp_document_redo(sp_desktop_document(desktop)))
             desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
 }
 
@@ -961,7 +977,7 @@ void sp_selection_copy()
     if (desktop == NULL)
         return;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     if (tools_isactive (desktop, TOOLS_DROPPER)) {
         sp_dropper_context_copy(desktop->event_context);
@@ -1042,6 +1058,8 @@ void sp_selection_copy()
         g_free (query);
     }
 
+    size_clipboard = selection->bounds();
+
     g_slist_free ((GSList *) items);
 }
 
@@ -1053,13 +1071,13 @@ void sp_selection_paste(bool in_place)
         return;
     }
 
-    SPDocument *document = SP_DT_DOCUMENT(desktop);
+    SPDocument *document = sp_desktop_document(desktop);
 
     if (Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false) {
         return;
     }
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     if (tools_isactive (desktop, TOOLS_TEXT)) {
         if (sp_text_paste_inline(desktop->event_context))
@@ -1084,7 +1102,7 @@ void sp_selection_paste(bool in_place)
 
         /* Snap the offset of the new item(s) to the grid */
         /* FIXME: this gridsnap fiddling is a hack. */
-        Inkscape::GridSnapper &s = desktop->namedview->grid_snapper;
+        Inkscape::GridSnapper &s = desktop->namedview->snap_manager.grid;
         gdouble const curr_gridsnap = s.getDistance();
         s.setDistance(NR_HUGE);
         m = s.freeSnap(Inkscape::Snapper::SNAP_POINT, m, NULL).getPoint();
@@ -1100,7 +1118,7 @@ void sp_selection_paste_style()
     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
     if (desktop == NULL) return;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     // check if something is in the clipboard
     if (clipboard == NULL) {
@@ -1114,18 +1132,93 @@ void sp_selection_paste_style()
         return;
     }
 
-    paste_defs (&defs_clipboard, SP_DT_DOCUMENT(desktop));
+    paste_defs (&defs_clipboard, sp_desktop_document(desktop));
 
     sp_desktop_set_style (desktop, style_clipboard);
 
-    sp_document_done(SP_DT_DOCUMENT (desktop));
+    sp_document_done(sp_desktop_document (desktop));
+}
+
+void sp_selection_paste_size (bool apply_x, bool apply_y)
+{
+    SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+    if (desktop == NULL) return;
+
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
+
+    // check if something is in the clipboard
+    if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
+        return;
+    }
+
+    // check if something is selected
+    if (selection->isEmpty()) {
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
+        return;
+    }
+
+    NR::Rect current = selection->bounds();
+    if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
+        return;
+    }
+
+    double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
+    double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
+
+    sp_selection_scale_relative (selection, current.midpoint(), 
+                                 NR::scale(
+                                     apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
+                                     apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
+
+    sp_document_done(sp_desktop_document (desktop));
+}
+
+void sp_selection_paste_size_separately (bool apply_x, bool apply_y)
+{
+    SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+    if (desktop == NULL) return;
+
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
+
+    // check if something is in the clipboard
+    if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
+        return;
+    }
+
+    // check if something is selected
+    if (selection->isEmpty()) {
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
+        return;
+    }
+
+    for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
+        SPItem *item = SP_ITEM(l->data);
+
+        NR::Rect current = sp_item_bbox_desktop(item);
+        if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
+            continue;
+        }
+
+        double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
+        double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
+
+        sp_item_scale_rel (item,
+                                 NR::scale(
+                                     apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
+                                     apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
+
+    }
+
+    sp_document_done(sp_desktop_document (desktop));
 }
 
 void sp_selection_to_next_layer ()
 {
     SPDesktop *dt = SP_ACTIVE_DESKTOP;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(dt);
+    Inkscape::Selection *selection = sp_desktop_selection(dt);
 
     // check if something is selected
     if (selection->isEmpty()) {
@@ -1135,18 +1228,30 @@ void sp_selection_to_next_layer ()
 
     const GSList *items = g_slist_copy ((GSList *) selection->itemList());
 
+    bool no_more = false; // Set to true, if no more layers above
     SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
     if (next) {
         GSList *temp_clip = NULL;
         sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
         sp_selection_delete_impl (items);
-        GSList *copied = sp_selection_paste_impl (SP_DT_DOCUMENT (dt), next, &temp_clip, NULL);
+        next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
+        GSList *copied;
+        if(next) {
+            copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
+        } else {
+            copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
+            no_more = true;
+        }
         selection->setReprList((GSList const *) copied);
         g_slist_free (copied);
         if (temp_clip) g_slist_free (temp_clip);
-        dt->setCurrentLayer(next);
-        sp_document_done(SP_DT_DOCUMENT (dt));
+        if (next) dt->setCurrentLayer(next);
+        sp_document_done(sp_desktop_document (dt));
     } else {
+        no_more = true;
+    }
+
+    if (no_more) {
         dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
     }
 
@@ -1157,7 +1262,7 @@ void sp_selection_to_prev_layer ()
 {
     SPDesktop *dt = SP_ACTIVE_DESKTOP;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(dt);
+    Inkscape::Selection *selection = sp_desktop_selection(dt);
 
     // check if something is selected
     if (selection->isEmpty()) {
@@ -1167,18 +1272,30 @@ void sp_selection_to_prev_layer ()
 
     const GSList *items = g_slist_copy ((GSList *) selection->itemList());
 
+    bool no_more = false; // Set to true, if no more layers below
     SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
     if (next) {
         GSList *temp_clip = NULL;
         sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
         sp_selection_delete_impl (items);
-        GSList *copied = sp_selection_paste_impl (SP_DT_DOCUMENT (dt), next, &temp_clip, NULL);
+        next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
+        GSList *copied;
+        if(next) {
+            copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
+        } else {
+            copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
+            no_more = true;
+        }
         selection->setReprList((GSList const *) copied);
         g_slist_free (copied);
         if (temp_clip) g_slist_free (temp_clip);
-        dt->setCurrentLayer(next);
-        sp_document_done(SP_DT_DOCUMENT (dt));
+        if (next) dt->setCurrentLayer(next);
+        sp_document_done(sp_desktop_document (dt));
     } else {
+        no_more = true;
+    }
+
+    if (no_more) {
         dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
     }
 
@@ -1213,7 +1330,21 @@ void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const
         bool transform_textpath_with_path = (SP_IS_TEXT_TEXTPATH(item) && selection->includes( sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item)))) ));
         bool transform_flowtext_with_frame = (SP_IS_FLOWTEXT(item) && selection->includes( SP_FLOWTEXT(item)->get_frame (NULL))); // only the first frame so far
         bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
-
+       
+        // If we're moving a connector, we want to detach it
+        // from shapes that aren't part of the selection, but
+        // leave it attached if they are
+        if (cc_item_is_connector(item)) {
+            SPItem *attItem[2];
+            SP_PATH(item)->connEndPair.getAttachedItems(attItem);
+            
+            for (int n = 0; n < 2; ++n) {
+                if (!selection->includes(attItem[n])) {
+                    sp_conn_end_detach(item, n);
+                }
+            }
+        }
+        
         // "clones are unmoved when original is moved" preference
         int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
         bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
@@ -1298,7 +1429,7 @@ void sp_selection_remove_transform()
     if (desktop == NULL)
         return;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     GSList const *l = (GSList *) selection->reprList();
     while (l != NULL) {
@@ -1306,7 +1437,7 @@ void sp_selection_remove_transform()
         l = l->next;
     }
 
-    sp_document_done(SP_DT_DOCUMENT(desktop));
+    sp_document_done(sp_desktop_document(desktop));
 }
 
 void
@@ -1402,7 +1533,7 @@ void sp_selection_rotate_90_cw()
 {
     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     if (selection->isEmpty())
         return;
@@ -1414,7 +1545,7 @@ void sp_selection_rotate_90_cw()
         sp_item_rotate_rel(item, rot_neg_90);
     }
 
-    sp_document_done(SP_DT_DOCUMENT(desktop));
+    sp_document_done(sp_desktop_document(desktop));
 }
 
 
@@ -1429,7 +1560,7 @@ void sp_selection_rotate_90_ccw()
 {
     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     if (selection->isEmpty())
         return;
@@ -1441,7 +1572,7 @@ void sp_selection_rotate_90_ccw()
         sp_item_rotate_rel(item, rot_neg_90);
     }
 
-    sp_document_done(SP_DT_DOCUMENT(desktop));
+    sp_document_done(sp_desktop_document(desktop));
 }
 
 void
@@ -1450,11 +1581,11 @@ sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
     if (selection->isEmpty())
         return;
 
-    NR::Point const center(selection->bounds().midpoint());
+    NR::Point center = selection->center();
 
     sp_selection_rotate_relative(selection, center, angle_degrees);
 
-    sp_document_maybe_done(SP_DT_DOCUMENT(selection->desktop()),
+    sp_document_maybe_done(sp_desktop_document(selection->desktop()),
                            ( ( angle_degrees > 0 )
                              ? "selector:rotate:ccw"
                              : "selector:rotate:cw" ));
@@ -1470,7 +1601,8 @@ sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
         return;
 
     NR::Rect const bbox(selection->bounds());
-    NR::Point const center(bbox.midpoint());
+
+    NR::Point center = selection->center();
 
     gdouble const zoom = selection->desktop()->current_zoom();
     gdouble const zmove = angle / zoom;
@@ -1480,7 +1612,7 @@ sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
 
     sp_selection_rotate_relative(selection, center, zangle);
 
-    sp_document_maybe_done(SP_DT_DOCUMENT(selection->desktop()),
+    sp_document_maybe_done(sp_desktop_document(selection->desktop()),
                            ( (angle > 0)
                              ? "selector:rotate:ccw"
                              : "selector:rotate:cw" ));
@@ -1504,7 +1636,7 @@ sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
     double const times = 1.0 + grow / max_len;
     sp_selection_scale_relative(selection, center, NR::scale(times, times));
 
-    sp_document_maybe_done(SP_DT_DOCUMENT(selection->desktop()),
+    sp_document_maybe_done(sp_desktop_document(selection->desktop()),
                            ( (grow > 0)
                              ? "selector:scale:larger"
                              : "selector:scale:smaller" ));
@@ -1525,14 +1657,14 @@ sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
 
     NR::Point const center(selection->bounds().midpoint());
     sp_selection_scale_relative(selection, center, NR::scale(times, times));
-    sp_document_done(SP_DT_DOCUMENT(selection->desktop()));
+    sp_document_done(sp_desktop_document(selection->desktop()));
 }
 
 void
 sp_selection_move(gdouble dx, gdouble dy)
 {
     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
     if (selection->isEmpty()) {
         return;
     }
@@ -1540,11 +1672,11 @@ sp_selection_move(gdouble dx, gdouble dy)
     sp_selection_move_relative(selection, dx, dy);
 
     if (dx == 0) {
-        sp_document_maybe_done(SP_DT_DOCUMENT(desktop), "selector:move:vertical");
+        sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical");
     } else if (dy == 0) {
-        sp_document_maybe_done(SP_DT_DOCUMENT(desktop), "selector:move:horizontal");
+        sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal");
     } else {
-        sp_document_done(SP_DT_DOCUMENT(desktop));
+        sp_document_done(sp_desktop_document(desktop));
     }
 }
 
@@ -1553,7 +1685,7 @@ sp_selection_move_screen(gdouble dx, gdouble dy)
 {
     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
     if (selection->isEmpty()) {
         return;
     }
@@ -1565,11 +1697,11 @@ sp_selection_move_screen(gdouble dx, gdouble dy)
     sp_selection_move_relative(selection, zdx, zdy);
 
     if (dx == 0) {
-        sp_document_maybe_done(SP_DT_DOCUMENT(desktop), "selector:move:vertical");
+        sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical");
     } else if (dy == 0) {
-        sp_document_maybe_done(SP_DT_DOCUMENT(desktop), "selector:move:horizontal");
+        sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal");
     } else {
-        sp_document_done(SP_DT_DOCUMENT(desktop));
+        sp_document_done(sp_desktop_document(desktop));
     }
 }
 
@@ -1577,11 +1709,11 @@ namespace {
 
 template <typename D>
 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
-                  bool only_in_viewport, bool inlayer, bool onlyvisible, bool onlysensitive);
+                  bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
 
 template <typename D>
 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
-                  bool only_in_viewport, bool inlayer, bool onlyvisible, bool onlysensitive);
+                  bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
 
 struct Forward {
     typedef SPObject *Iterator;
@@ -1630,15 +1762,15 @@ sp_selection_item_next(void)
 {
     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
     g_return_if_fail(desktop != NULL);
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
-    bool inlayer = prefs_get_int_attribute ("options.kbselection", "inlayer", 1);
+    PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
     bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
     bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
 
     SPObject *root;
-    if (inlayer) {
-        root = desktop->currentLayer();
+    if (PREFS_SELECTION_ALL != inlayer) {
+        root = selection->activeContext();
     } else {
         root = desktop->currentRoot();
     }
@@ -1646,7 +1778,7 @@ sp_selection_item_next(void)
     SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
 
     if (item) {
-        selection->set(item);
+        selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
         if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
             scroll_to_show_item(desktop, item);
         }
@@ -1660,15 +1792,15 @@ sp_selection_item_prev(void)
     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
     g_return_if_fail(document != NULL);
     g_return_if_fail(desktop != NULL);
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
-    bool inlayer = prefs_get_int_attribute ("options.kbselection", "inlayer", 1);
+    PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
     bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
     bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
 
     SPObject *root;
-    if (inlayer) {
-        root = desktop->currentLayer();
+    if (PREFS_SELECTION_ALL != inlayer) {
+        root = selection->activeContext();
     } else {
         root = desktop->currentRoot();
     }
@@ -1676,7 +1808,7 @@ sp_selection_item_prev(void)
     SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
 
     if (item) {
-        selection->set(item);
+        selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
         if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
             scroll_to_show_item(desktop, item);
         }
@@ -1687,7 +1819,7 @@ namespace {
 
 template <typename D>
 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
-                            SPObject *root, bool only_in_viewport, bool inlayer, bool onlyvisible, bool onlysensitive)
+                            SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
 {
     SPObject *current=root;
     while (items) {
@@ -1721,7 +1853,7 @@ SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
 
 template <typename D>
 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
-                  bool only_in_viewport, bool inlayer, bool onlyvisible, bool onlysensitive)
+                  bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
 {
     typename D::Iterator children;
     typename D::Iterator iter;
@@ -1742,7 +1874,7 @@ SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
     while ( iter && !found ) {
         SPObject *object=D::object(iter);
         if (desktop->isLayer(object)) {
-            if (!inlayer) { // recurse into sublayers
+            if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
                 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
             }
         } else if ( SP_IS_ITEM(object) &&
@@ -1792,7 +1924,7 @@ sp_selection_clone()
     if (desktop == NULL)
         return;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     // check if something is selected
     if (selection->isEmpty()) {
@@ -1817,6 +1949,9 @@ sp_selection_clone()
         sp_repr_set_attr(clone, "x", "0");
         sp_repr_set_attr(clone, "y", "0");
         sp_repr_set_attr(clone, "xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")));
+
+        sp_repr_set_attr(clone, "inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"));
+        sp_repr_set_attr(clone, "inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"));
         
         // add the new clone to the top of the original's parent
         parent->appendChild(clone);
@@ -1826,7 +1961,7 @@ sp_selection_clone()
         Inkscape::GC::release(clone);
     }
     
-    sp_document_done(SP_DT_DOCUMENT(desktop));
+    sp_document_done(sp_desktop_document(desktop));
 
     selection->setReprList(newsel);
  
@@ -1840,7 +1975,7 @@ sp_selection_unlink()
     if (!desktop)
         return;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     if (selection->isEmpty()) {
         desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>clone</b> to unlink."));
@@ -1877,7 +2012,7 @@ sp_selection_unlink()
         desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
     }
 
-    sp_document_done(SP_DT_DOCUMENT(desktop));
+    sp_document_done(sp_desktop_document(desktop));
 }
 
 void
@@ -1887,7 +2022,7 @@ sp_select_clone_original()
     if (desktop == NULL)
         return;
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     SPItem *item = selection->singleItem();
 
@@ -1941,9 +2076,9 @@ sp_selection_tile(bool apply)
     if (desktop == NULL)
         return;
 
-    SPDocument *document = SP_DT_DOCUMENT(desktop);
+    SPDocument *document = sp_desktop_document(desktop);
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     // check if something is selected
     if (selection->isEmpty()) {
@@ -2012,7 +2147,7 @@ sp_selection_tile(bool apply)
         // restore parent and position
         SP_OBJECT_REPR (parent)->appendChild(rect);
         rect->setPosition(pos > 0 ? pos : 0);
-        SPItem *rectangle = (SPItem *) SP_DT_DOCUMENT (desktop)->getObjectByRepr(rect);
+        SPItem *rectangle = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(rect);
 
         Inkscape::GC::release(rect);
 
@@ -2032,9 +2167,9 @@ sp_selection_untile()
     if (desktop == NULL)
         return;
 
-    SPDocument *document = SP_DT_DOCUMENT(desktop);
+    SPDocument *document = sp_desktop_document(desktop);
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     // check if something is selected
     if (selection->isEmpty()) {
@@ -2093,7 +2228,7 @@ sp_selection_untile()
     if (!did) {
         desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
     } else {
-        sp_document_done(SP_DT_DOCUMENT(desktop));
+        sp_document_done(sp_desktop_document(desktop));
         selection->setList(new_select);
     }
 }
@@ -2105,9 +2240,9 @@ sp_selection_create_bitmap_copy ()
     if (desktop == NULL)
         return;
 
-    SPDocument *document = SP_DT_DOCUMENT(desktop);
+    SPDocument *document = sp_desktop_document(desktop);
 
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     // check if something is selected
     if (selection->isEmpty()) {
@@ -2267,17 +2402,17 @@ sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
     if (desktop == NULL)
         return;
 
-    SPDocument *document = SP_DT_DOCUMENT(desktop);
+    SPDocument *document = sp_desktop_document(desktop);
     
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     // check if something is selected
     bool is_empty = selection->isEmpty();
     if ( apply_to_layer && is_empty) {
-        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create mask from."));
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
         return;
     } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
-        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply mask to."));
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
         return;
     }
     
@@ -2295,7 +2430,7 @@ sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
     
     if (apply_to_layer) {
         // all selected items are used for mask, which is applied to a layer
-        apply_to_items = g_slist_prepend (apply_to_items, SP_OBJECT_REPR(desktop->currentLayer()));
+        apply_to_items = g_slist_prepend (apply_to_items, desktop->currentLayer());
 
         for (GSList *i = items; i != NULL; i = i->next) {
             Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
@@ -2318,12 +2453,12 @@ sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
         }
         
         for (i = i->next; i != NULL; i = i->next) {
-            apply_to_items = g_slist_prepend (apply_to_items, SP_OBJECT_REPR (i->data));
+            apply_to_items = g_slist_prepend (apply_to_items, i->data);
         }
     } else {
         GSList *i = NULL;
         for (i = items; NULL != i->next; i = i->next) {
-            apply_to_items = g_slist_prepend (apply_to_items, SP_OBJECT_REPR (i->data));
+            apply_to_items = g_slist_prepend (apply_to_items, i->data);
         }
 
         Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
@@ -2336,20 +2471,35 @@ sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
     }
     
     g_slist_free (items);
+    items = NULL;
             
-    const gchar *mask_id = NULL;
-    if (apply_clip_path) {
-        mask_id = sp_clippath_create(mask_items, document);
-    } else {
-        mask_id = sp_mask_create(mask_items, document);
-    }
-    g_slist_free (mask_items);
-
     gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
     for (GSList *i = apply_to_items; NULL != i; i = i->next) {
-        ((Inkscape::XML::Node *)i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
+        SPItem *item = reinterpret_cast<SPItem *>(i->data);
+        // inverted object transform should be applied to a mask object,
+        // as mask is calculated in user space (after applying transform)
+        NR::Matrix maskTransform (item->transform.inverse());
+
+        GSList *mask_items_dup = NULL;
+        for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
+            Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate();
+            mask_items_dup = g_slist_prepend (mask_items_dup, dup);
+        }
+
+        const gchar *mask_id = NULL;
+        if (apply_clip_path) {
+            mask_id = sp_clippath_create(mask_items_dup, document, &maskTransform);
+        } else {
+            mask_id = sp_mask_create(mask_items_dup, document, &maskTransform);
+        }
+
+        g_slist_free (mask_items_dup);
+        mask_items_dup = NULL;
+
+        SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
     }
 
+    g_slist_free (mask_items);
     g_slist_free (apply_to_items);
 
     sp_document_done (document);
@@ -2360,12 +2510,12 @@ void sp_selection_unset_mask(bool apply_clip_path) {
     if (desktop == NULL)
         return;
     
-    SPDocument *document = SP_DT_DOCUMENT(desktop);    
-    Inkscape::Selection *selection = SP_DT_SELECTION(desktop);
+    SPDocument *document = sp_desktop_document(desktop);    
+    Inkscape::Selection *selection = sp_desktop_selection(desktop);
 
     // check if something is selected
     if (selection->isEmpty()) {
-        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove mask from."));
+        desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
         return;
     }
     
@@ -2373,7 +2523,7 @@ void sp_selection_unset_mask(bool apply_clip_path) {
     sp_document_ensure_up_to_date(document);
 
     gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
-    std::set<SPObject*> referenced_objects;
+    std::map<SPObject*,SPItem*> referenced_objects;
     for (GSList const*i = selection->itemList(); NULL != i; i = i->next) {
         if (remove_original) {
             // remember referenced mask/clippath, so orphaned masks can be moved back to document
@@ -2386,9 +2536,9 @@ void sp_selection_unset_mask(bool apply_clip_path) {
                 uri_ref = item->mask_ref;
             }
 
-            // collect distinct mask object
-            if (NULL != uri_ref && NULL != uri_ref->getObject() && referenced_objects.end() == referenced_objects.find(uri_ref->getObject())) {
-                referenced_objects.insert(uri_ref->getObject());
+            // collect distinct mask object (and associate with item to apply transform)
+            if (NULL != uri_ref && NULL != uri_ref->getObject()) {
+                referenced_objects[uri_ref->getObject()] = item;
             }
         }
 
@@ -2396,8 +2546,8 @@ void sp_selection_unset_mask(bool apply_clip_path) {
     }
 
     // restore mask objects into a document
-    for ( std::set<SPObject*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
-        SPObject *obj = (*it);
+    for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
+        SPObject *obj = (*it).first;
         GSList *items_to_move = NULL;
         for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
             Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
@@ -2409,9 +2559,24 @@ void sp_selection_unset_mask(bool apply_clip_path) {
             obj->deleteObject(false);
         }
 
+        // remember parent and position of the item to which the clippath/mask was applied
+        Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
+        gint pos = SP_OBJECT_REPR((*it).second)->position();
+
         for (GSList *i = items_to_move; NULL != i; i = i->next) {
-            desktop->currentLayer()->appendChildRepr((Inkscape::XML::Node *)i->data);
-            selection->add((Inkscape::XML::Node *)i->data);
+            Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
+
+            // insert into parent, restore pos
+            parent->appendChild(repr);
+            repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
+
+            SPItem *mask_item = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(repr);
+            selection->add(repr);
+
+            // transform mask, so it is moved the same spot where mask was applied
+            NR::Matrix transform (mask_item->transform);
+            transform *= (*it).second->transform;
+            sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
         }
 
         g_slist_free (items_to_move);
@@ -2420,6 +2585,49 @@ void sp_selection_unset_mask(bool apply_clip_path) {
     sp_document_done (document);
 }
 
+void fit_canvas_to_selection(SPDesktop *desktop) {
+    g_return_if_fail(desktop != NULL);
+    SPDocument *doc = sp_desktop_document(desktop);
+
+    g_return_if_fail(doc != NULL);
+    g_return_if_fail(desktop->selection != NULL);
+    g_return_if_fail(!desktop->selection->isEmpty());
+    NRRect bbox = {0,0,0,0};
+
+    desktop->selection->bounds(&bbox);
+    if (!empty(bbox)) {
+        doc->fitToRect(bbox);
+    }
+};
+
+void fit_canvas_to_drawing(SPDocument *doc) {
+    g_return_if_fail(doc != NULL);
+    NRRect bbox = {0,0,0,0};
+
+    sp_document_ensure_up_to_date (doc);
+    sp_item_invoke_bbox(SP_ITEM(doc->root), &bbox, sp_item_i2r_affine(SP_ITEM(doc->root)), TRUE);
+
+    if (!empty(bbox)) {
+        doc->fitToRect(bbox);
+    }
+};
+
+void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
+    g_return_if_fail(desktop != NULL);
+    SPDocument *doc = sp_desktop_document(desktop);
+
+    g_return_if_fail(doc != NULL);
+    g_return_if_fail(desktop->selection != NULL);
+
+    if (desktop->selection->isEmpty()) {
+        fit_canvas_to_drawing(doc);
+    } else {
+        fit_canvas_to_selection(desktop);
+    }
+
+    sp_document_done(doc);
+};
+
 /*
   Local Variables:
   mode:c++