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136 lines
4.3 KiB
136 lines
4.3 KiB
/******************************************************************** |
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KWin - the KDE window manager |
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This file is part of the KDE project. |
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Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.com> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*********************************************************************/ |
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#include "resize.h" |
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#ifdef KWIN_HAVE_OPENGL_COMPOSITING |
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#include <GL/gl.h> |
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#endif |
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING |
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#include <X11/Xlib.h> |
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#include <X11/extensions/Xrender.h> |
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#endif |
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#include <KColorScheme> |
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namespace KWin |
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{ |
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KWIN_EFFECT( resize, ResizeEffect ) |
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ResizeEffect::ResizeEffect() |
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: m_active( false ) |
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, m_resizeWindow( 0 ) |
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{ |
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reconfigure( ReconfigureAll ); |
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} |
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ResizeEffect::~ResizeEffect() |
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{ |
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} |
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void ResizeEffect::prePaintScreen( ScreenPrePaintData& data, int time ) |
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{ |
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if( m_active ) |
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{ |
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data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS; |
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} |
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effects->prePaintScreen( data, time ); |
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} |
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void ResizeEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data ) |
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{ |
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effects->paintWindow( w, mask, region, data ); |
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if( m_active && w == m_resizeWindow ) |
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{ |
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QRegion intersection = m_originalWindowRect.intersected( m_currentGeometry ); |
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QRegion paintRegion = m_originalWindowRect.united( m_currentGeometry ).subtracted( intersection ); |
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float alpha = 0.8f; |
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QColor color = KColorScheme( QPalette::Normal, KColorScheme::Selection ).background().color(); |
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#ifdef KWIN_HAVE_OPENGL_COMPOSITING |
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if( effects->compositingType() == OpenGLCompositing) |
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{ |
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glPushAttrib( GL_CURRENT_BIT | GL_ENABLE_BIT ); |
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glEnable( GL_BLEND ); |
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glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ); |
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glColor4f( color.red() / 255.0f, color.green() / 255.0f, color.blue() / 255.0f, alpha ); |
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glBegin( GL_QUADS ); |
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foreach( const QRect &r, paintRegion.rects() ) |
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{ |
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glVertex2i( r.x(), r.y() ); |
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glVertex2i( r.x() + r.width(), r.y() ); |
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glVertex2i( r.x() + r.width(), r.y() + r.height() ); |
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glVertex2i( r.x(), r.y() + r.height() ); |
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} |
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glEnd(); |
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glPopAttrib(); |
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} |
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#endif |
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING |
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if( effects->compositingType() == XRenderCompositing) |
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{ |
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XRenderColor col; |
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col.alpha = int( alpha * 0xffff ); |
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col.red = int( alpha * 0xffff * color.red() / 255 ); |
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col.green = int( alpha * 0xffff * color.green() / 255 ); |
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col.blue= int( alpha * 0xffff * color.blue() / 255 ); |
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foreach( const QRect &r, paintRegion.rects() ) |
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XRenderFillRectangle( display(), PictOpOver, effects->xrenderBufferPicture(), |
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&col, r.x(), r.y(), r.width(), r.height()); |
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} |
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#endif |
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} |
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} |
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void ResizeEffect::windowUserMovedResized( EffectWindow* w, bool first, bool last ) |
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{ |
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if( first && last ) |
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{ |
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// not interested in maximized |
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return; |
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} |
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if( first && w->isUserResize() && !w->isUserMove() ) |
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{ |
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m_active = true; |
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m_resizeWindow = w; |
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m_originalWindowRect = w->geometry(); |
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m_currentGeometry = w->geometry(); |
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w->addRepaintFull(); |
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} |
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if( m_active && w == m_resizeWindow && last ) |
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{ |
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m_active = false; |
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m_resizeWindow = NULL; |
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effects->addRepaintFull(); |
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} |
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} |
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void ResizeEffect::windowMoveResizeGeometryUpdate( EffectWindow* c, const QRect& geometry ) |
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{ |
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if( m_active && c == m_resizeWindow ) |
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{ |
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m_currentGeometry = geometry; |
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effects->addRepaintFull(); |
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} |
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} |
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} // namespace
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