workspace/kwin/effects/boxswitch.h

   1 /********************************************************************
   2  KWin - the KDE window manager
   3  This file is part of the KDE project.
   4
   5 Copyright (C) 2007 Philip Falkner <philip.falkner@gmail.com>
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *********************************************************************/
  20
  21 #ifndef KWIN_BOXSWITCH_H
  22 #define KWIN_BOXSWITCH_H
  23
  24 #include <kwineffects.h>
  25
  26 #include <QHash>
  27 #include <QPixmap>
  28 #include <QRect>
  29 #include <QRegion>
  30 #include <QSize>
  31 #include <QFont>
  32
  33 #include <kwinglutils.h>
  34
  35 #ifdef KWIN_HAVE_XRENDER_COMPOSITING
  36 #include <X11/extensions/Xrender.h>
  37 #endif
  38
  39 namespace KWin
  40 {
  41
  42 class BoxSwitchEffect
  43     : public Effect
  44     {
  45     public:
  46         BoxSwitchEffect();
  47         ~BoxSwitchEffect();
  48
  49         virtual void paintScreen( int mask, QRegion region, ScreenPaintData& data );
  50         virtual void prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time );
  51         virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
  52
  53         virtual void windowInputMouseEvent( Window w, QEvent* e );
  54         virtual void windowDamaged( EffectWindow* w, const QRect& damage );
  55         virtual void windowGeometryShapeChanged( EffectWindow* w, const QRect& old );
  56         virtual void tabBoxAdded( int mode );
  57         virtual void tabBoxClosed();
  58         virtual void tabBoxUpdated();
  59         virtual void windowClosed( EffectWindow* w );
  60     private:
  61         class ItemInfo;
  62         void setActive();
  63         void setInactive();
  64         void moveResizeInputWindow( int x, int y, int width, int height );
  65         void calculateFrameSize();
  66         void calculateItemSizes();
  67         void setSelectedWindow( EffectWindow* w );
  68
  69         void paintFrame();
  70         void paintHighlight( QRect area );
  71         void paintWindowThumbnail( EffectWindow* w );
  72         void paintDesktopThumbnail( int iDesktop );
  73         void paintWindowIcon( EffectWindow* w );
  74         void paintText( const QString& text );
  75
  76         bool mActivated;
  77         Window mInput;
  78         int mMode;
  79
  80         QRect frame_area;
  81         int frame_margin; // TODO graphical background
  82         int highlight_margin; // TODO graphical background
  83         QSize item_max_size; // maximum item display size (including highlight)
  84         QRect text_area;
  85         QFont text_font;
  86         QColor color_frame;
  87         QColor color_highlight;
  88         QColor color_text;
  89
  90         QHash< EffectWindow*, ItemInfo* > windows;
  91         EffectWindowList original_windows;
  92         EffectWindow* selected_window;
  93         QHash< int, ItemInfo* > desktops;
  94         QList< int > original_desktops;
  95         int selected_desktop;
  96
  97         int painting_desktop;
  98
  99 #ifdef KWIN_HAVE_XRENDER_COMPOSITING
 100         XRenderPictFormat* alphaFormat;
 101 #endif
 102     };
 103
 104 class BoxSwitchEffect::ItemInfo
 105     {
 106     public:
 107         QRect area; // maximal painting area, including any frames/highlights/etc.
 108         QRegion clickable;
 109         QRect thumbnail;
 110         QPixmap icon;
 111 #ifdef KWIN_HAVE_OPENGL_COMPOSITING
 112         GLTexture iconTexture;
 113 #endif
 114 #ifdef KWIN_HAVE_XRENDER_COMPOSITING
 115         Picture iconPicture;
 116 #endif
 117     };
 118
 119 } // namespace
 120
 121 #endif