Commit d6a31bc9 authored by Lucas Murray's avatar Lucas Murray
Browse files

Introducing the highlight window effect. When activated by the X atom

all windows are faded out except the one that is being highlighted.
It is nowhere near complete but committing it now so that the Plasma
developers can start playing around with it.

svn path=/trunk/KDE/kdebase/workspace/; revision=919159
parent 7cb7f17a
...@@ -42,6 +42,7 @@ SET(kwin4_effect_builtins_sources ...@@ -42,6 +42,7 @@ SET(kwin4_effect_builtins_sources
fade.cpp fade.cpp
fadedesktop.cpp fadedesktop.cpp
fallapart.cpp fallapart.cpp
highlightwindow.cpp
login.cpp login.cpp
logout.cpp logout.cpp
magiclamp.cpp magiclamp.cpp
...@@ -67,6 +68,7 @@ install( FILES ...@@ -67,6 +68,7 @@ install( FILES
fade.desktop fade.desktop
fadedesktop.desktop fadedesktop.desktop
fallapart.desktop fallapart.desktop
highlightwindow.desktop
login.desktop login.desktop
logout.desktop logout.desktop
magiclamp.desktop magiclamp.desktop
......
/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2009 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/>.
*********************************************************************/
#include "highlightwindow.h"
#include <kdebug.h>
namespace KWin
{
KWIN_EFFECT( highlightwindow, HighlightWindowEffect )
HighlightWindowEffect::HighlightWindowEffect()
: m_highlightedWindow( NULL )
, m_monitorWindow( NULL )
{
m_atom = XInternAtom( display(), "_KDE_WINDOW_HIGHLIGHT", False );
effects->registerPropertyType( m_atom, true );
// Announce support by creating a dummy version on the root window
unsigned char dummy = 0;
XChangeProperty( display(), rootWindow(), m_atom, m_atom, 8, PropModeReplace, &dummy, 1 );
}
HighlightWindowEffect::~HighlightWindowEffect()
{
XDeleteProperty( display(), rootWindow(), m_atom );
effects->registerPropertyType( m_atom, false );
}
void HighlightWindowEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
{
// If we are highlighting a window set the translucent flag to all others
if( m_highlightedWindow && m_highlightedWindow != w && m_monitorWindow != w && w->isNormalWindow() )
data.mask |= PAINT_WINDOW_TRANSLUCENT;
effects->prePaintWindow( w, data, time );
}
void HighlightWindowEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
{
if( m_highlightedWindow && m_highlightedWindow != w && m_monitorWindow != w && w->isNormalWindow() )
data.opacity *= 0.15; // TODO: Fade out
effects->paintWindow( w, mask, region, data );
}
void HighlightWindowEffect::windowAdded( EffectWindow* w )
{
propertyNotify( w, m_atom ); // Check initial value
}
void HighlightWindowEffect::windowDeleted( EffectWindow* w )
{
if( m_monitorWindow == w )
{ // The monitoring window was destroyed
m_monitorWindow = NULL;
m_highlightedWindow = NULL;
}
}
void HighlightWindowEffect::propertyNotify( EffectWindow* w, long a )
{
if( a != m_atom )
return; // Not our atom
QByteArray byteData = w->readProperty( m_atom, m_atom, 32 );
if( byteData.length() < 1 )
return; // Invalid length
long* data = reinterpret_cast<long*>( byteData.data() );
if( !data[0] )
{ // Purposely clearing highlight
m_monitorWindow = NULL;
m_highlightedWindow = NULL;
return;
}
m_monitorWindow = w;
m_highlightedWindow = effects->findWindow( data[0] );
if( !m_highlightedWindow )
kDebug(1212) << "Invalid window targetted for highlight. Requested:" << data[0];
}
} // namespace
[Desktop Entry]
Name=Highlight Window
Icon=preferences-system-windows-effect-highlightwindow
Comment=Highlight the appropriate window when hovering over taskbar entries
Type=Service
X-KDE-ServiceTypes=KWin/Effect
X-KDE-PluginInfo-Author=Lucas Murray
X-KDE-PluginInfo-Email=lmurray@undefinedfire.com
X-KDE-PluginInfo-Name=kwin4_effect_highlightwindow
X-KDE-PluginInfo-Version=0.1.0
X-KDE-PluginInfo-Category=Appearance
X-KDE-PluginInfo-Depends=
X-KDE-PluginInfo-License=GPL
X-KDE-PluginInfo-EnabledByDefault=true
X-KDE-Library=kwin4_effect_builtins
/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2009 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_HIGHLIGHTWINDOW_H
#define KWIN_HIGHLIGHTWINDOW_H
#include <kwineffects.h>
namespace KWin
{
class HighlightWindowEffect
: public Effect
{
public:
HighlightWindowEffect();
virtual ~HighlightWindowEffect();
virtual void prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time );
virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
virtual void windowAdded( EffectWindow* w );
virtual void windowDeleted( EffectWindow* w );
virtual void propertyNotify( EffectWindow* w, long atom );
private:
long m_atom;
EffectWindow* m_highlightedWindow;
EffectWindow* m_monitorWindow;
};
} // namespace
#endif
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment