The Gnome Chemistry Utils 0.13.3
|
00001 // -*- C++ -*- 00002 00003 /* 00004 * GChemPaint library 00005 * widgetdata.h 00006 * 00007 * Copyright (C) 2002-2011 Jean Bréfort <jean.brefort@normalesup.org> 00008 * 00009 * This program is free software; you can redistribute it and/or 00010 * modify it under the terms of the GNU General Public License as 00011 * published by the Free Software Foundation; either version 2 of the 00012 * License, or (at your option) any later version. 00013 * 00014 * This program is distributed in the hope that it will be useful, 00015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 * GNU General Public License for more details. 00018 * 00019 * You should have received a copy of the GNU General Public License 00020 * along with this program; if not, write to the Free Software 00021 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 00022 * USA 00023 */ 00024 00025 #ifndef GCHEMPAINT_WIDGET_DATA_H 00026 #define GCHEMPAINT_WIDGET_DATA_H 00027 00028 #include <gcu/object.h> 00029 #include <gccv/structs.h> 00030 #include <map> 00031 #include <set> 00032 00034 namespace gcp { 00035 00036 class Application; 00037 class View; 00038 00045 extern guint ClipboardDataType, ClipboardDataType1; 00050 extern xmlChar* ClipboardData; 00054 extern char* ClipboardTextData; 00062 void on_receive_targets (GtkClipboard *clipboard, GtkSelectionData *selection_data, Application *App); 00069 void on_clear_data (GtkClipboard *clipboard, gcu::Object *obj); 00070 00074 enum SelectionState 00075 { 00079 SelStateUnselected = 0, 00083 SelStateSelected, 00087 SelStateUpdating, 00091 SelStateErasing 00092 }; 00093 00099 class WidgetData 00100 { 00101 public: 00105 View* m_View; 00109 GtkWidget *Canvas; 00113 double Zoom; 00117 // std::map<gcu::Object const*, GnomeCanvasGroup*>Items; 00121 std::set < gcu::Object * >SelectedObjects; 00122 00127 bool IsSelected (gcu::Object const *obj) const; 00128 00134 bool ChildrenSelected (gcu::Object const *obj) const; 00135 00136 00142 gcu::Object *GetSelectedAncestor (gcu::Object *obj); 00143 00150 void SetSelected (gcu::Object *obj, int state = gcp::SelStateSelected); 00156 void Unselect (gcu::Object *obj); 00160 void UnselectAll (); 00169 void MoveSelectedItems (double dx, double dy); 00177 void MoveSelection (double dx, double dy); 00185 void RotateSelection (double x, double y, double angle); 00189 void ClearSelection () {SelectedObjects.clear();} 00195 void Copy (GtkClipboard* clipboard); 00201 void GetSelectionBounds (gccv::Rect &rect) const; 00205 bool HasSelection () {return !(SelectedObjects.empty());} 00209 void SelectAll (); 00214 static xmlDocPtr GetXmlDoc (GtkClipboard* clipboard); 00221 void ShowSelection (bool state); 00228 void GetObjectBounds (gcu::Object const *obj, gccv::Rect *rect) const; 00235 void GetObjectsBounds (std::set <gcu::Object const *> const &objects, gccv::Rect *rect) const; 00236 void GetObjectsBounds (std::set <gcu::Object *> const &objects, gccv::Rect *rect) const; 00237 void GetObjectBounds (gcu::Object const* obj, gccv::Rect &rect) const; 00238 00243 void SimplifySelection (); 00244 00245 private: 00246 void MoveItems (gcu::Object *obj, double dx, double dy); 00247 }; 00248 00249 } // namespace gcp 00250 00251 #endif //GCHEMPAINT_WIDGET_DATA_H