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Diffstat (limited to 'tdegtk/tdegtk-tabwidgetdata.h')
| -rw-r--r-- | tdegtk/tdegtk-tabwidgetdata.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/tdegtk/tdegtk-tabwidgetdata.h b/tdegtk/tdegtk-tabwidgetdata.h new file mode 100644 index 0000000..e7284bf --- /dev/null +++ b/tdegtk/tdegtk-tabwidgetdata.h @@ -0,0 +1,189 @@ +#ifndef tdegtk_tabwidgetdata_h +#define tdegtk_widgetdata_h +/* +* this file was largely taken from the oxygen gtk engine +* Copyright (c) 2010 Hugo Pereira Da Costa <hugo@oxygen-icons.org> +* +* This library is free software; you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public +* License as published by the Free Software Foundation; either +* version 2 of the License, or(at your option ) any later version. +* +* This library is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this library; if not, write to the Free +* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, +* MA 02110-1301, USA. +*/ + +#include "tdegtk-signals.h" + +#include <gtk/gtk.h> +#include <vector> +#include <map> + + //! detects and stores tab widget hovered tab + class TabWidgetData + { + + public: + + //! constructor + TabWidgetData( void ): + _target(0L), + _hoveredTab(-1), + _dragInProgress( false ), + _dirty( false ) + {} + + //! destructor + virtual ~TabWidgetData( void ) + { disconnect( _target ); } + + //! setup connections + void connect( GtkWidget* ); + + //! disconnect + void disconnect( GtkWidget* ); + + //!@name modifiers + //@{ + + //! update tab rectangle + /* this is used to decide when a tab is hovered or not */ + void updateTabRect( GtkWidget*, int, const GdkRectangle& ); + + //! update hovered tab + void updateHoveredTab( GtkWidget* = 0L ); + + //! true when drag is in progress + void setDragInProgress( bool value ) + { _dragInProgress = value; } + + //! toggle dirty state + void toggleDirty( void ) + { setDirty( !isDirty() ); } + + //! mark as dirty + void setDirty( bool ); + + //@} + + //@name accessors + //@{ + + //! true if hovered + int hoveredTab( void ) const + { return _hoveredTab; } + + //! true when drag is in progress + bool dragInProgress( void ) const + { return _dragInProgress; } + + //! true if is dirty + bool isDirty( void ) const + { return _dirty; } + + //! returns true if provided point is in one tab of the widget + bool isInTab( int x, int y ) const; + + //@] + + protected: + + //! set current tab + void setHoveredTab( GtkWidget*, int ); + + //! child registration + //@{ + + void updateRegisteredChildren( GtkWidget* = 0L ); + void registerChild( GtkWidget* ); + void unregisterChild( GtkWidget* ); + + //@} + + //!@name static callbacks + //@{ + static gboolean motionNotifyEvent( GtkWidget*, GdkEventMotion*, gpointer ); + static gboolean leaveNotifyEvent( GtkWidget*, GdkEventCrossing*, gpointer ); + static void pageAddedEvent( GtkNotebook*, GtkWidget*, guint, gpointer ); + static gboolean childDestroyNotifyEvent( GtkWidget*, gpointer ); + static gboolean childCrossingNotifyEvent( GtkWidget*, GdkEventCrossing*, gpointer ); + static void childAddedEvent( GtkContainer*, GtkWidget*, gpointer ); + //@} + + private: + + //! default tabRect size + GdkRectangle defaultRect( void ) const + { + GdkRectangle out = {0, 0, -1, -1}; + return out; + } + + //! target widget + GtkWidget* _target; + + //!@name callbacks IDs + //@{ + Signal _motionId; + Signal _leaveId; + Signal _pageAddedId; + //@} + + //! index of currently hovered tab + int _hoveredTab; + + //! true when there is a drag in progress + bool _dragInProgress; + + //! true when tabbar is dirty + /*! a repaint is triggered of the full tabbar when set to true. + This forces the tabbar base to be redrawn event if the selected tab + has not been primarily damaged */ + bool _dirty; + + //! store rectangles matching tabs + typedef std::vector<GdkRectangle> RectangleList; + RectangleList _tabRects; + + //! child data + /*! + one must keep track of the tab widgets children enter/leave event + to properly update tab hover because some tabs have embedded children. + This is notably the case for gimp, nautilus (in tabbed mode), etc. + */ + class ChildData + { + public: + + //! constructor + ChildData( void ) + {} + + //! destructor + virtual ~ChildData( void ) + {} + + //! disconnect all signals + void disconnect( void ); + + Signal _destroyId; + Signal _addId; + Signal _enterId; + Signal _leaveId; + }; + + //! map registered children and corresponding data + typedef std::map<GtkWidget*, ChildData> ChildDataMap; + ChildDataMap _childrenData; + + }; + +#endif + |