/kde/autobuild/kdebase/kicker/taskbar/taskbar.h Source File

00001 /*****************************************************************
00002 
00003 Copyright (c) 2001 Matthias Elter <elter@kde.org>
00004 
00005 Permission is hereby granted, free of charge, to any person obtaining a copy
00006 of this software and associated documentation files (the "Software"), to deal
00007 in the Software without restriction, including without limitation the rights
00008 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00009 copies of the Software, and to permit persons to whom the Software is
00010 furnished to do so, subject to the following conditions:
00011 
00012 The above copyright notice and this permission notice shall be included in
00013 all copies or substantial portions of the Software.
00014 
00015 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00016 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00017 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
00018 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
00019 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
00020 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00021 
00022 ******************************************************************/
00023 
00024 #ifndef __taskbar_h__
00025 #define __taskbar_h__
00026 
00027 #include <kpanelextension.h>
00028 #include <taskmanager.h>
00029 
00030 #include "taskcontainer.h"
00031 #include "panner.h"
00032 #include "kshadowengine.h"
00033 
00034 #define WINDOWLISTBUTTON_SIZE 15
00035 #define BUTTON_MAX_WIDTH 200
00036 #define BUTTON_MIN_WIDTH 20
00037 
00038 class Startup;
00039 class Task;
00040 class KGlobalAccel;
00041 
00042 class TaskBar : public Panner
00043 {
00044     Q_OBJECT
00045 
00046 public:
00047     TaskBar( TQWidget *parent = 0, const char *name = 0 );
00048     ~TaskBar();
00049 
00050     TQSize sizeHint() const;
00051     TQSize sizeHint( KPanelExtension::Position, TQSize maxSize ) const;
00052 
00053     void setOrientation( Orientation );
00054     void setArrowType( Qt::ArrowType at );
00055 
00056     int containerCount() const;
00057     int taskCount() const;
00058     int showScreen() const;
00059 
00060     bool showIcon() const { return m_showIcon; }
00061     bool sortByDesktop() const { return m_sortByDesktop; }
00062     bool showAllWindows() const { return m_showAllWindows; }
00063 
00064     TQImage* blendGradient(const TQSize& size);
00065     
00066     KTextShadowEngine *textShadowEngine();
00067 
00068 public slots:
00069     void configure();
00070     void setBackground();
00071 
00072 signals:
00073     void containerCountChanged();
00074 
00075 protected slots:
00076     void add(Task::Ptr);
00077     void add(Startup::Ptr);
00078     void showTaskContainer(TaskContainer*);
00079     void remove(Task::Ptr task, TaskContainer *container = 0);
00080     void remove(Startup::Ptr startup, TaskContainer *container = 0);
00081 
00082     void desktopChanged( int );
00083     void windowChanged(Task::Ptr);
00084     void windowChangedGeometry(Task::Ptr);
00085 
00086     void publishIconGeometry();
00087 
00088     void activateNextTask( bool forward );
00089     void slotActivateNextTask();
00090     void slotActivatePreviousTask();
00091     void slotSettingsChanged(int);
00092     void reLayout();
00093 
00094 protected:
00095     void reLayoutEventually();
00096     void viewportMousePressEvent( TQMouseEvent* );
00097     void viewportMouseReleaseEvent( TQMouseEvent* );
00098     void viewportMouseDoubleClickEvent( TQMouseEvent* );
00099     void viewportMouseMoveEvent( TQMouseEvent* );
00100     void wheelEvent(TQWheelEvent*);
00101     void propagateMouseEvent( TQMouseEvent* );
00102     void resizeEvent( TQResizeEvent* );
00103     void moveEvent( TQMoveEvent* );
00104     bool idMatch( const TQString& id1, const TQString& id2 );
00105     TaskContainer::List filteredContainers();
00106 
00107 private:
00108     void sortContainersByDesktop(TaskContainer::List& list);
00109     void setViewportBackground();
00110 
00111     bool                        blocklayout;
00112     bool                        m_showAllWindows;
00113     // The screen to show, -1 for all screens
00114     int                         m_currentScreen;
00115     bool                        m_showOnlyCurrentScreen;
00116     bool                        m_sortByDesktop;
00117     bool                        m_showIcon;
00118     bool                        m_showOnlyIconified;
00119     ArrowType                   arrowType;
00120     TaskContainer::List         containers;
00121     TaskContainer::List         m_hiddenContainers;
00122     TaskContainer::List         m_deletableContainers;
00123     PixmapList                  frames;
00124     int                         maximumButtonsWithoutShrinking() const;
00125     bool                        shouldGroup() const;
00126     bool                        isGrouping;
00127     void                        reGroup();
00128     KGlobalAccel*               keys;
00129     KTextShadowEngine* m_textShadowEngine;
00130     TQTimer m_relayoutTimer;
00131     bool m_ignoreUpdates;
00132     TQImage m_blendGradient;
00133 };
00134 
00135 #endif