Restore encapsulation of selection implementation.

(bzr r8983)

3 files changed, 139 insertions, 79 deletions

diff --git a/src/selection-chemistry.cpp b/src/selection-chemistry.cpp
index dfe47bee8..e81d133c2 100644
--- a/src/selection-chemistry.cpp
+++ b/src/selection-chemistry.cpp
@@ -1,5 +1,3 @@
-#define __SP_SELECTION_CHEMISTRY_C__
-
 /** @file
  * @brief Miscellanous operations on selected items
  */
@@ -9,8 +7,9 @@
  *   MenTaLguY <mental@rydia.net>
  *   bulia byak <buliabyak@users.sf.net>
  *   Andrius R. <knutux@gmail.com>
+ *   Jon A. Cruz <jon@joncruz.org>
  *
- * Copyright (C) 1999-2006 authors
+ * Copyright (C) 1999-2010 authors
  * Copyright (C) 2001-2002 Ximian, Inc.
  *
  * Released under GNU GPL, read the file 'COPYING' for more information
@@ -22,6 +21,10 @@
 
 #include "selection-chemistry.h"
 
+// TOOD fixme: This should be moved into preference repr
+SPCycleType SP_CYCLING = SP_CYCLE_FOCUS;
+
+
 #include <gtkmm/clipboard.h>
 
 #include "svg/svg.h"
@@ -61,6 +64,7 @@
 #include "sp-linear-gradient-fns.h"
 #include "sp-pattern.h"
 #include "sp-radial-gradient-fns.h"
+#include "gradient-context.h"
 #include "sp-namedview.h"
 #include "preferences.h"
 #include "sp-offset.h"
@@ -86,6 +90,9 @@
 #include "display/curve.h"
 #include "display/canvas-bpath.h"
 #include "inkscape-private.h"
+#include "path-chemistry.h"
+#include "ui/tool/control-point-selection.h"
+#include "ui/tool/multi-path-manipulator.h"
 
 // For clippath editing
 #include "tools-switch.h"
@@ -100,6 +107,102 @@ using Geom::Y;
 because the layer manipulation code uses them. It should be rewritten specifically
 for that purpose. */
 
+
+
+namespace Inkscape {
+
+void SelectionHelper::selectAll(SPDesktop *dt)
+{
+    if (tools_isactive(dt, TOOLS_NODES)) {
+        InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
+        nt->_multipath->selectSubpaths();
+    } else {
+        sp_edit_select_all(dt);
+    }
+}
+
+void SelectionHelper::selectAllInAll(SPDesktop *dt)
+{
+    if (tools_isactive(dt, TOOLS_NODES)) {
+        InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
+        nt->_selected_nodes->selectAll();
+    } else {
+        sp_edit_select_all_in_all_layers(dt);
+    }
+}
+
+void SelectionHelper::selectNone(SPDesktop *dt)
+{
+    if (tools_isactive(dt, TOOLS_NODES)) {
+        InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
+        nt->_selected_nodes->clear();
+    } else {
+        sp_desktop_selection(dt)->clear();
+    }
+}
+
+void SelectionHelper::invert(SPDesktop *dt)
+{
+    if (tools_isactive(dt, TOOLS_NODES)) {
+        InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
+        nt->_multipath->invertSelectionInSubpaths();
+    } else {
+        sp_edit_invert(dt);
+    }
+}
+
+void SelectionHelper::invertAllInAll(SPDesktop *dt)
+{
+    if (tools_isactive(dt, TOOLS_NODES)) {
+        InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
+        nt->_selected_nodes->invertSelection();
+    } else {
+        sp_edit_invert_in_all_layers(dt);
+    }
+}
+
+void SelectionHelper::reverse(SPDesktop *dt)
+{
+    // TODO make this a virtual method of event context!
+    if (tools_isactive(dt, TOOLS_NODES)) {
+        InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
+        nt->_multipath->reverseSubpaths();
+    } else {
+        sp_selected_path_reverse(dt);
+    }
+}
+
+void SelectionHelper::selectNext(SPDesktop *dt)
+{
+    SPEventContext *ec = dt->event_context;
+    if (tools_isactive(dt, TOOLS_NODES)) {
+        InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
+        nt->_multipath->shiftSelection(1);
+    } else if (tools_isactive(dt, TOOLS_GRADIENT)
+               && ec->_grdrag->isNonEmpty()) {
+        sp_gradient_context_select_next(ec);
+    } else {
+        sp_selection_item_next(dt);
+    }
+}
+
+void SelectionHelper::selectPrev(SPDesktop *dt)
+{
+    SPEventContext *ec = dt->event_context;
+    if (tools_isactive(dt, TOOLS_NODES)) {
+        InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
+        nt->_multipath->shiftSelection(-1);
+    } else if (tools_isactive(dt, TOOLS_GRADIENT)
+               && ec->_grdrag->isNonEmpty()) {
+        sp_gradient_context_select_prev(ec);
+    } else {
+        sp_selection_item_prev(dt);
+    }
+}
+
+} // namespace Inkscape
+
+
 /**
  * Copies repr and its inherited css style elements, along with the accumulated transform 'full_t',
  * then prepends the copy to 'clip'.
diff --git a/src/selection-chemistry.h b/src/selection-chemistry.h
index 7cc5f8d9f..60d64ced9 100644
--- a/src/selection-chemistry.h
+++ b/src/selection-chemistry.h
@@ -1,5 +1,5 @@
-#ifndef __SP_SELECTION_CHEMISTRY_H__
-#define __SP_SELECTION_CHEMISTRY_H__
+#ifndef SEEN_SELECTION_CHEMISTRY_H
+#define SEEN_SELECTION_CHEMISTRY_H
 
 /*
  * Miscellanous operations on selected items
@@ -8,8 +8,9 @@
  *   Lauris Kaplinski <lauris@kaplinski.com>
  *   Frank Felfe <innerspace@iname.com>
  *   bulia byak <buliabyak@users.sf.net>
+ *   Jon A. Cruz <jon@joncruz.org>
  *
- * Copyright (C) 1999-2005 authors
+ * Copyright (C) 1999-2010 authors
  * Copyright (C) 2001-2002 Ximian, Inc.
  *
  * Released under GNU GPL, read the file 'COPYING' for more information
@@ -28,6 +29,20 @@ namespace LivePathEffect {
 
 class SPCSSAttr;
 
+namespace Inkscape {
+    class SelectionHelper {
+    public:
+        static void selectAll(SPDesktop *desktop);
+        static void selectAllInAll(SPDesktop *desktop);
+        static void selectNone(SPDesktop *desktop);
+        static void invert(SPDesktop *desktop);
+        static void invertAllInAll(SPDesktop *desktop);
+        static void reverse(SPDesktop *dt);
+        static void selectNext(SPDesktop *desktop);
+        static void selectPrev(SPDesktop *desktop);
+    };
+} // namespace Inkscape
+
 void sp_selection_delete(SPDesktop *desktop);
 void sp_selection_duplicate(SPDesktop *desktop, bool suppressDone = false);
 void sp_edit_clear_all(SPDesktop *desktop);
@@ -131,19 +146,14 @@ GSList *sp_degroup_list (GSList *items);
 /* selection cycling */
 typedef enum
 {
-	SP_CYCLE_SIMPLE,
-	SP_CYCLE_VISIBLE, /* cycle only visible items */
-	SP_CYCLE_FOCUS /* readjust visible area to view selected item */
+    SP_CYCLE_SIMPLE,
+    SP_CYCLE_VISIBLE, // cycle only visible items
+    SP_CYCLE_FOCUS // readjust visible area to view selected item
 } SPCycleType;
 
-/* fixme: This should be moved into preference repr */
-#ifndef __SP_SELECTION_CHEMISTRY_C__
-extern SPCycleType SP_CYCLING;
-#else
-SPCycleType SP_CYCLING = SP_CYCLE_FOCUS;
-#endif
-
-#endif
 
 
+// TOOD fixme: This should be moved into preference repr
+extern SPCycleType SP_CYCLING;
 
+#endif // SEEN_SELECTION_CHEMISTRY_H
diff --git a/src/verbs.cpp b/src/verbs.cpp
index 37f4da4d6..7c3652b36 100644
--- a/src/verbs.cpp
+++ b/src/verbs.cpp
@@ -16,6 +16,7 @@
  *   MenTaLguY <mental@rydia.net>
  *   David Turner <novalis@gnu.org>
  *   bulia byak <buliabyak@users.sf.net>
+ *   Jon A. Cruz <jon@joncruz.org>
  *
  * Copyright (C) 2006 Johan Engelen <johan@shouraizou.nl>
  * Copyright (C) (date unspecified) Authors
@@ -49,7 +50,6 @@
 #include "draw-context.h"
 #include "extension/effect.h"
 #include "file.h"
-#include "gradient-context.h"
 #include "gradient-drag.h"
 #include "helper/action.h"
 #include "help.h"
@@ -79,8 +79,6 @@
 #include "ui/dialog/layers.h"
 #include "ui/dialog/swatches.h"
 #include "ui/icon-names.h"
-#include "ui/tool/control-point-selection.h"
-#include "ui/tool/multi-path-manipulator.h"
 #include "ui/tool/node-tool.h"
 
 //#ifdef WITH_INKBOARD
@@ -835,7 +833,6 @@ EditVerb::perform(SPAction *action, void *data, void */*pdata*/)
     SPDesktop *dt = static_cast<SPDesktop*>(sp_action_get_view(action));
     if (!dt)
         return;
-    SPEventContext *ec = dt->event_context;
 
     switch (reinterpret_cast<std::size_t>(data)) {
         case SP_VERB_EDIT_UNDO:
@@ -920,70 +917,26 @@ EditVerb::perform(SPAction *action, void *data, void */*pdata*/)
             sp_edit_clear_all(dt);
             break;
         case SP_VERB_EDIT_SELECT_ALL:
-            if (tools_isactive(dt, TOOLS_NODES)) {
-                InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
-                nt->_multipath->selectSubpaths();
-            } else {
-                sp_edit_select_all(dt);
-            }
+            SelectionHelper::selectAll(dt);
             break;
         case SP_VERB_EDIT_INVERT:
-            if (tools_isactive(dt, TOOLS_NODES)) {
-                InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
-                nt->_multipath->invertSelectionInSubpaths();
-            } else {
-                sp_edit_invert(dt);
-            }
+            SelectionHelper::invert(dt);
             break;
         case SP_VERB_EDIT_SELECT_ALL_IN_ALL_LAYERS:
-            if (tools_isactive(dt, TOOLS_NODES)) {
-                InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
-                nt->_selected_nodes->selectAll();
-            } else {
-                sp_edit_select_all_in_all_layers(dt);
-            }
+            SelectionHelper::selectAllInAll(dt);
             break;
         case SP_VERB_EDIT_INVERT_IN_ALL_LAYERS:
-            if (tools_isactive(dt, TOOLS_NODES)) {
-                InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
-                nt->_selected_nodes->invertSelection();
-            } else {
-                sp_edit_invert_in_all_layers(dt);
-            }
+            SelectionHelper::invertAllInAll(dt);
             break;
-
         case SP_VERB_EDIT_SELECT_NEXT:
-            if (tools_isactive(dt, TOOLS_NODES)) {
-                InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
-                nt->_multipath->shiftSelection(1);
-            } else if (tools_isactive(dt, TOOLS_GRADIENT)
-                       && ec->_grdrag->isNonEmpty()) {
-                sp_gradient_context_select_next (ec);
-            } else {
-                sp_selection_item_next(dt);
-            }
+            SelectionHelper::selectNext(dt);
             break;
         case SP_VERB_EDIT_SELECT_PREV:
-            if (tools_isactive(dt, TOOLS_NODES)) {
-                InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
-                nt->_multipath->shiftSelection(-1);
-            } else if (tools_isactive(dt, TOOLS_GRADIENT)
-                       && ec->_grdrag->isNonEmpty()) {
-                sp_gradient_context_select_prev (ec);
-            } else {
-                sp_selection_item_prev(dt);
-            }
+            SelectionHelper::selectPrev(dt);
             break;
-
         case SP_VERB_EDIT_DESELECT:
-            if (tools_isactive(dt, TOOLS_NODES)) {
-                InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
-                nt->_selected_nodes->clear();
-            } else {
-                sp_desktop_selection(dt)->clear();
-            }
+            SelectionHelper::selectNone(dt);
             break;
-
         case SP_VERB_EDIT_GUIDES_AROUND_PAGE:
             sp_guide_create_guides_around_page(dt);
             break;
@@ -1095,13 +1048,7 @@ SelectionVerb::perform(SPAction *action, void *data, void */*pdata*/)
             sp_selected_path_simplify(dt);
             break;
         case SP_VERB_SELECTION_REVERSE:
-            // TODO make this a virtual method of event context!
-            if (tools_isactive(dt, TOOLS_NODES)) {
-                InkNodeTool *nt = static_cast<InkNodeTool*>(dt->event_context);
-                nt->_multipath->reverseSubpaths();
-            } else {
-                sp_selected_path_reverse(dt);
-            }
+            SelectionHelper::reverse(dt);
             break;
         case SP_VERB_SELECTION_TRACE:
             inkscape_dialogs_unhide();