workspace/kwin/kcmkwin/kwindecoration/preview.h

   1 /*
   2  *
   3  * Copyright (c) 2003 Lubos Lunak <l.lunak@kde.org>
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifndef KWINDECORATION_PREVIEW_H
  21 #define KWINDECORATION_PREVIEW_H
  22
  23 #include <QWidget>
  24 //Added by qt3to4:
  25 #include <QMouseEvent>
  26 #include <QLabel>
  27 #include <QResizeEvent>
  28 #include <kdecoration.h>
  29 #include <kdecorationbridge.h>
  30 #include <kdecoration_plugins_p.h>
  31
  32 class QLabel;
  33
  34 class KDecorationPreviewBridge;
  35 class KDecorationPreviewOptions;
  36
  37 class KDecorationPreview
  38     : public QWidget
  39     {
  40     Q_OBJECT
  41     public:
  42         // Note: Windows can't be added or removed without making changes to
  43         //       the code, since parts of it assume there's just an active
  44         //       and an inactive window.
  45         enum Windows { Inactive = 0, Active, NumWindows };
  46
  47         KDecorationPreview( QWidget* parent = NULL );
  48         virtual ~KDecorationPreview();
  49         bool recreateDecoration( KDecorationPlugins* plugin );
  50         void enablePreview();
  51         void disablePreview();
  52         void setPreviewMask( const QRegion&, int, bool );
  53         QRegion unobscuredRegion( bool, const QRegion& ) const;
  54         QRect windowGeometry( bool ) const;
  55         void setTempBorderSize(KDecorationPlugins* plugin, KDecorationDefines::BorderSize size);
  56         void setTempButtons(KDecorationPlugins* plugin, bool customEnabled, const QString &left, const QString &right);
  57     protected:
  58         virtual void resizeEvent( QResizeEvent* );
  59     private:
  60         void positionPreviews();
  61         KDecorationPreviewOptions* options;
  62         KDecorationPreviewBridge* bridge[NumWindows];
  63         KDecoration* deco[NumWindows];
  64         QLabel* no_preview;
  65         QRegion mask;
  66     };
  67
  68 class KDecorationPreviewBridge
  69     : public KDecorationBridgeUnstable
  70     {
  71     public:
  72         KDecorationPreviewBridge( KDecorationPreview* preview, bool active );
  73         virtual bool isActive() const;
  74         virtual bool isCloseable() const;
  75         virtual bool isMaximizable() const;
  76         virtual MaximizeMode maximizeMode() const;
  77         virtual bool isMinimizable() const;
  78         virtual bool providesContextHelp() const;
  79         virtual int desktop() const;
  80         virtual bool isModal() const;
  81         virtual bool isShadeable() const;
  82         virtual bool isShade() const;
  83         virtual bool isSetShade() const;
  84         virtual bool keepAbove() const;
  85         virtual bool keepBelow() const;
  86         virtual bool isMovable() const;
  87         virtual bool isResizable() const;
  88         virtual NET::WindowType windowType( unsigned long supported_types ) const;
  89         virtual QIcon icon() const;
  90         virtual QString caption() const;
  91         virtual void processMousePressEvent( QMouseEvent* );
  92         virtual void showWindowMenu( const QRect &);
  93         virtual void showWindowMenu( const QPoint & );
  94         virtual void performWindowOperation( WindowOperation );
  95         virtual void setMask( const QRegion&, int );
  96         virtual bool isPreview() const;
  97         virtual QRect geometry() const;
  98         virtual QRect iconGeometry() const;
  99         virtual QRegion unobscuredRegion( const QRegion& r ) const;
 100         virtual WId windowId() const;
 101         virtual void closeWindow();
 102         virtual void maximize( MaximizeMode mode );
 103         virtual void minimize();
 104         virtual void showContextHelp();
 105         virtual void setDesktop( int desktop );
 106         virtual void titlebarDblClickOperation();
 107         virtual void titlebarMouseWheelOperation( int delta );
 108         virtual void setShade( bool set );
 109         virtual void setKeepAbove( bool );
 110         virtual void setKeepBelow( bool );
 111         virtual int currentDesktop() const;
 112         virtual QWidget* initialParentWidget() const;
 113         virtual Qt::WFlags initialWFlags() const;
 114         virtual void grabXServer( bool grab );
 115
 116         virtual void repaintShadow();
 117         virtual bool compositingActive() const;
 118         virtual bool shadowsActive() const;
 119         virtual double opacity() const;
 120     private:
 121         KDecorationPreview* preview;
 122         bool active;
 123     };
 124
 125 class KDecorationPreviewOptions
 126     : public KDecorationOptions
 127     {
 128     public:
 129         KDecorationPreviewOptions();
 130         virtual ~KDecorationPreviewOptions();
 131         virtual unsigned long updateSettings();
 132
 133         void setCustomBorderSize(BorderSize size);
 134         void setCustomTitleButtonsEnabled(bool enabled);
 135         void setCustomTitleButtons(const QString &left, const QString &right);
 136
 137     private:
 138         BorderSize customBorderSize;
 139         bool customButtonsChanged;
 140         bool customButtons;
 141         QString customTitleButtonsLeft;
 142         QString customTitleButtonsRight;
 143     };
 144
 145 class KDecorationPreviewPlugins
 146     : public KDecorationPlugins
 147     {
 148     public:
 149         KDecorationPreviewPlugins(const KSharedConfigPtr &cfg);
 150         virtual bool provides( Requirement );
 151     };
 152
 153 inline KDecorationPreviewPlugins::KDecorationPreviewPlugins(const KSharedConfigPtr &cfg)
 154     : KDecorationPlugins( cfg )
 155     {
 156     }
 157
 158 #endif