kwin/effects/presentwindows/presentwindows.h
Martin Gräßlin fe4329a252 Only call active effects in the effect chain
Each effect is able to declare itself as currently being active,
that is transforming windows or painting or screen or doing anything
during the current rendered frame.

This change eliminates the hottest path inside KWin identified by
callgrind.

REVIEW: 102449
2011-08-29 07:06:58 +02:00

284 lines
8.9 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
Copyright (C) 2008 Lucas Murray <lmurray@undefinedfire.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef KWIN_PRESENTWINDOWS_H
#define KWIN_PRESENTWINDOWS_H
#include "presentwindows_proxy.h"
#include <kwineffects.h>
#include <kshortcut.h>
#include <QtGui/QGraphicsView>
class QTimer;
namespace Plasma
{
class PushButton;
class FrameSvg;
}
namespace KWin
{
class CloseWindowView : public QGraphicsView
{
Q_OBJECT
public:
CloseWindowView(QWidget* parent = 0);
void windowInputMouseEvent(QMouseEvent* e);
virtual void drawBackground(QPainter* painter, const QRectF& rect);
void disarm();
public slots:
void arm();
Q_SIGNALS:
void close();
private:
Plasma::PushButton* m_closeButton;
Plasma::FrameSvg* m_frame;
QTimer* m_armTimer;
};
/**
* Expose-like effect which shows all windows on current desktop side-by-side,
* letting the user select active window.
**/
class PresentWindowsEffect
: public Effect
{
Q_OBJECT
private:
// Structures
struct WindowData {
bool visible;
bool deleted;
bool referenced;
double opacity;
double highlight;
EffectFrame* textFrame;
EffectFrame* iconFrame;
};
typedef QHash<EffectWindow*, WindowData> DataHash;
struct GridSize {
int columns;
int rows;
};
public:
PresentWindowsEffect();
virtual ~PresentWindowsEffect();
virtual void reconfigure(ReconfigureFlags);
virtual void* proxy();
// Screen painting
virtual void prePaintScreen(ScreenPrePaintData &data, int time);
virtual void paintScreen(int mask, QRegion region, ScreenPaintData &data);
virtual void postPaintScreen();
// Window painting
virtual void prePaintWindow(EffectWindow *w, WindowPrePaintData &data, int time);
virtual void paintWindow(EffectWindow *w, int mask, QRegion region, WindowPaintData &data);
// User interaction
virtual bool borderActivated(ElectricBorder border);
virtual void windowInputMouseEvent(Window w, QEvent *e);
virtual void grabbedKeyboardEvent(QKeyEvent *e);
virtual bool isActive() const;
enum { LayoutNatural, LayoutRegularGrid, LayoutFlexibleGrid }; // Layout modes
enum PresentWindowsMode {
ModeAllDesktops, // Shows windows of all desktops
ModeCurrentDesktop, // Shows windows on current desktop
ModeSelectedDesktop, // Shows windows of selected desktop via property (m_desktop)
ModeWindowGroup, // Shows windows selected via property
ModeWindowClass // Shows all windows of same class as selected class
};
enum WindowMouseAction {
WindowNoAction = 0, // Nothing
WindowActivateAction = 1, // Activates the window and deactivates the effect
WindowExitAction = 2, // Deactivates the effect without activating new window
WindowToCurrentDesktopAction = 3, // Brings window to current desktop
WindowToAllDesktopsAction = 4, // Brings window to all desktops
WindowMinimizeAction = 5, // Minimize the window
WindowCloseAction = 6 // Closes the window
};
enum DesktopMouseAction {
DesktopNoAction = 0, // nothing
DesktopActivateAction = 1, // Activates the window and deactivates the effect
DesktopExitAction = 2, // Deactivates the effect without activating new window
DesktopShowDesktopAction = 3 // Minimizes all windows
};
public slots:
void setActive(bool active, bool closingTab = false); // HACK: closingTab shouldn't be needed
void toggleActive() {
m_mode = ModeCurrentDesktop;
setActive(!m_activated);
}
void toggleActiveAllDesktops() {
m_mode = ModeAllDesktops;
setActive(!m_activated);
}
void toggleActiveClass();
// slots for global shortcut changed
// needed to toggle the effect
void globalShortcutChanged(const QKeySequence& seq);
void globalShortcutChangedAll(const QKeySequence& seq);
void globalShortcutChangedClass(const QKeySequence& seq);
// EffectsHandler
void slotWindowAdded(EffectWindow *w);
void slotWindowClosed(EffectWindow *w);
void slotWindowDeleted(EffectWindow *w);
void slotWindowGeometryShapeChanged(EffectWindow *w, const QRect &old);
// Tab box
void slotTabBoxAdded(int mode);
void slotTabBoxClosed();
void slotTabBoxUpdated();
void slotTabBoxKeyEvent(QKeyEvent* event);
// atoms
void slotPropertyNotify(EffectWindow* w, long atom);
private slots:
void closeWindow();
void elevateCloseWindow();
protected:
// Window rearranging
void rearrangeWindows();
void calculateWindowTransformations(EffectWindowList windowlist, int screen,
WindowMotionManager& motionManager, bool external = false);
void calculateWindowTransformationsClosest(EffectWindowList windowlist, int screen,
WindowMotionManager& motionManager);
void calculateWindowTransformationsKompose(EffectWindowList windowlist, int screen,
WindowMotionManager& motionManager);
void calculateWindowTransformationsNatural(EffectWindowList windowlist, int screen,
WindowMotionManager& motionManager);
// Helper functions for window rearranging
inline double aspectRatio(EffectWindow *w) {
return w->width() / double(w->height());
}
inline int widthForHeight(EffectWindow *w, int height) {
return int((height / double(w->height())) * w->width());
}
inline int heightForWidth(EffectWindow *w, int width) {
return int((width / double(w->width())) * w->height());
}
bool isOverlappingAny(EffectWindow *w, const QHash<EffectWindow*, QRect> &targets, const QRegion &border);
// Filter box
void updateFilterFrame();
// Helper functions
bool isSelectableWindow(EffectWindow *w);
bool isVisibleWindow(EffectWindow *w);
void setHighlightedWindow(EffectWindow *w);
EffectWindow* relativeWindow(EffectWindow *w, int xdiff, int ydiff, bool wrap) const;
EffectWindow* findFirstWindow() const;
void updateCloseWindow();
// Helper functions for mouse actions
void mouseActionWindow(WindowMouseAction& action);
void mouseActionDesktop(DesktopMouseAction& action);
private:
PresentWindowsEffectProxy m_proxy;
friend class PresentWindowsEffectProxy;
// User configuration settings
QList<ElectricBorder> m_borderActivate;
QList<ElectricBorder> m_borderActivateAll;
int m_layoutMode;
bool m_showCaptions;
bool m_showIcons;
bool m_doNotCloseWindows;
bool m_tabBoxAllowed;
bool m_tabBoxAlternativeAllowed;
int m_accuracy;
bool m_fillGaps;
double m_fadeDuration;
bool m_showPanel;
// Activation
bool m_activated;
bool m_ignoreMinimized;
double m_decalOpacity;
Window m_input;
bool m_hasKeyboardGrab;
bool m_tabBoxEnabled;
PresentWindowsMode m_mode;
int m_desktop;
EffectWindowList m_selectedWindows;
EffectWindow *m_managerWindow;
QString m_class;
// Window data
WindowMotionManager m_motionManager;
DataHash m_windowData;
EffectWindow *m_highlightedWindow;
// Grid layout info
QList<GridSize> m_gridSizes;
// Filter box
EffectFrame* m_filterFrame;
QString m_windowFilter;
// Shortcut - needed to toggle the effect
KShortcut shortcut;
KShortcut shortcutAll;
KShortcut shortcutClass;
// Atoms
// Present windows for all windows of given desktop
// -1 for all desktops
long m_atomDesktop;
// Present windows for group of window ids
long m_atomWindows;
// Mouse Actions
WindowMouseAction m_leftButtonWindow;
WindowMouseAction m_middleButtonWindow;
WindowMouseAction m_rightButtonWindow;
DesktopMouseAction m_leftButtonDesktop;
DesktopMouseAction m_middleButtonDesktop;
DesktopMouseAction m_rightButtonDesktop;
CloseWindowView* m_closeView;
EffectWindow* m_closeWindow;
Qt::Corner m_closeButtonCorner;
// drag to close
QPoint m_dragStart;
bool m_dragInProgress;
EffectWindow *m_dragWindow;
QList<EffectFrame*> m_dropTargets;
EffectFrame *m_highlightedDropTarget;
bool m_dragToClose;
};
} // namespace
#endif