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269 lines
8.7 KiB
269 lines
8.7 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) 2006 Lubos Lunak <l.lunak@kde.org> |
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Copyright (C) 2010 Jorge Mata <matamax123@gmail.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 "trackmouse.h" |
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// KConfigSkeleton |
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#include "trackmouseconfig.h" |
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#include <QTime> |
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#include <QMatrix4x4> |
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#include <kwinconfig.h> |
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#include <kwinglutils.h> |
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#include <kglobal.h> |
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#include <kstandarddirs.h> |
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#include <kaction.h> |
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#include <kactioncollection.h> |
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#include <KDE/KLocale> |
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#include <math.h> |
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#include <X11/extensions/Xrender.h> |
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#include <kdebug.h> |
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namespace KWin |
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{ |
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KWIN_EFFECT(trackmouse, TrackMouseEffect) |
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TrackMouseEffect::TrackMouseEffect() |
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: m_active(false) |
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, m_angle(0) |
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{ |
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m_texture[0] = m_texture[1] = 0; |
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING |
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m_pixmap[0] = m_pixmap[1] = 0; |
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if ( effects->compositingType() == XRenderCompositing) |
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m_angleBase = 1.57079632679489661923; // Pi/2 |
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#endif |
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if ( effects->isOpenGLCompositing()) |
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m_angleBase = 90.0; |
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m_mousePolling = false; |
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KActionCollection *actionCollection = new KActionCollection(this); |
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m_action = static_cast< KAction* >(actionCollection->addAction("TrackMouse")); |
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m_action->setText(i18n("Track mouse")); |
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m_action->setGlobalShortcut(KShortcut()); |
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connect(m_action, SIGNAL(triggered(bool)), this, SLOT(toggle())); |
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connect(effects, SIGNAL(mouseChanged(QPoint,QPoint,Qt::MouseButtons,Qt::MouseButtons,Qt::KeyboardModifiers,Qt::KeyboardModifiers)), |
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SLOT(slotMouseChanged(QPoint,QPoint,Qt::MouseButtons,Qt::MouseButtons,Qt::KeyboardModifiers,Qt::KeyboardModifiers))); |
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reconfigure(ReconfigureAll); |
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} |
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TrackMouseEffect::~TrackMouseEffect() |
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{ |
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if (m_mousePolling) |
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effects->stopMousePolling(); |
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for (int i = 0; i < 2; ++i) { |
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delete m_texture[i]; m_texture[i] = 0; |
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING |
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delete m_pixmap[i]; m_pixmap[i] = 0; |
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#endif |
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} |
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} |
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void TrackMouseEffect::reconfigure(ReconfigureFlags) |
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{ |
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m_modifiers = 0; |
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TrackMouseConfig::self()->readConfig(); |
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if (TrackMouseConfig::shift()) |
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m_modifiers |= Qt::ShiftModifier; |
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if (TrackMouseConfig::alt()) |
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m_modifiers |= Qt::AltModifier; |
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if (TrackMouseConfig::control()) |
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m_modifiers |= Qt::ControlModifier; |
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if (TrackMouseConfig::meta()) |
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m_modifiers |= Qt::MetaModifier; |
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if (m_modifiers) { |
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if (!m_mousePolling) |
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effects->startMousePolling(); |
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m_mousePolling = true; |
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} else if (m_mousePolling) { |
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effects->stopMousePolling(); |
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m_mousePolling = false; |
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} |
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} |
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void TrackMouseEffect::prePaintScreen(ScreenPrePaintData& data, int time) |
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{ |
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if (m_active) { |
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QTime t = QTime::currentTime(); |
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m_angle = ((t.second() % 4) * m_angleBase) + (t.msec() / 1000.0 * m_angleBase); |
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m_lastRect[0].moveCenter(cursorPos()); |
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m_lastRect[1].moveCenter(cursorPos()); |
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data.paint |= m_lastRect[0].adjusted(-1,-1,1,1); |
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} |
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effects->prePaintScreen(data, time); |
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} |
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void TrackMouseEffect::paintScreen(int mask, QRegion region, ScreenPaintData& data) |
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{ |
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effects->paintScreen(mask, region, data); // paint normal screen |
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if (!m_active) |
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return; |
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if ( effects->isOpenGLCompositing() && m_texture[0] && m_texture[1]) { |
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ShaderBinder binder(ShaderManager::GenericShader); |
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GLShader *shader(binder.shader()); |
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QMatrix4x4 modelview; |
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if (shader) { |
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modelview = shader->getUniformMatrix4x4("modelview"); |
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} |
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glEnable(GL_BLEND); |
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glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); |
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QMatrix4x4 matrix(modelview); |
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const QPointF p = m_lastRect[0].topLeft() + QPoint(m_lastRect[0].width()/2.0, m_lastRect[0].height()/2.0); |
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for (int i = 0; i < 2; ++i) { |
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matrix.translate(p.x(), p.y(), 0.0); |
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matrix.rotate(i ? -2*m_angle : m_angle, 0, 0, 1.0); |
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matrix.translate(-p.x(), -p.y(), 0.0); |
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if (shader) { |
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shader->setUniform(GLShader::ModelViewMatrix, matrix); |
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shader->setUniform(GLShader::Saturation, 1.0); |
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shader->setUniform(GLShader::ModulationConstant, QVector4D(1.0, 1.0, 1.0, 1.0)); |
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} else |
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pushMatrix(matrix); |
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m_texture[i]->bind(); |
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m_texture[i]->render(region, m_lastRect[i]); |
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m_texture[i]->unbind(); |
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if (!shader) |
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popMatrix(); |
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} |
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glDisable(GL_BLEND); |
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if (shader) { |
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shader->setUniform(GLShader::ModelViewMatrix, modelview); |
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} |
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} |
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING |
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if ( effects->compositingType() == XRenderCompositing && m_pixmap[0] && m_pixmap[1]) { |
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float sine = sin(m_angle); |
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const float cosine = cos(m_angle); |
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for (int i = 0; i < 2; ++i) { |
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if (i) sine = -sine; |
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const float dx = m_pixmap[i]->width()/2.0; |
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const float dy = m_pixmap[i]->height()/2.0; |
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XTransform xform = {{ |
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{ XDoubleToFixed( cosine ), XDoubleToFixed( -sine ), XDoubleToFixed( dx - cosine*dx + sine*dy ) }, |
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{ XDoubleToFixed( sine ), XDoubleToFixed( cosine ), XDoubleToFixed( dy - sine*dx - cosine*dy ) }, |
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{ XDoubleToFixed( 0.0 ), XDoubleToFixed( 0.0 ), XDoubleToFixed( 1.0 ) } |
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}}; |
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XRenderSetPictureTransform(display(), m_pixmap[i]->x11PictureHandle(), &xform ); |
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XRenderSetPictureFilter( display(), m_pixmap[i]->x11PictureHandle(), FilterBilinear, 0, 0 ); |
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XRenderComposite(display(), PictOpOver, m_pixmap[i]->x11PictureHandle(), 0, |
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effects->xrenderBufferPicture(), 0, 0, 0, 0, |
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m_lastRect[i].x(), m_lastRect[i].y(), m_lastRect[i].width(), m_lastRect[i].height()); |
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} |
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} |
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#endif |
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} |
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void TrackMouseEffect::postPaintScreen() |
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{ |
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if (m_active) { |
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effects->addRepaint(m_lastRect[0].adjusted(-1,-1,1,1)); |
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} |
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effects->postPaintScreen(); |
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} |
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bool TrackMouseEffect::init() |
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{ |
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING |
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if (!(m_texture[0] || m_pixmap[0])) { |
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loadTexture(); |
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if (!(m_texture[0] || m_pixmap[0])) |
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return false; |
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} |
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#else |
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if (!m_texture[0]) { |
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loadTexture(); |
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if (!m_texture[0]) |
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return false; |
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} |
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#endif |
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m_lastRect[0].moveCenter(cursorPos()); |
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m_lastRect[1].moveCenter(cursorPos()); |
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m_active = true; |
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m_angle = 0; |
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return true; |
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} |
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void TrackMouseEffect::toggle() |
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{ |
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if (m_mousePolling) |
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return; |
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if (m_active) { |
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m_active = false; |
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} else if (!init()) { |
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return; |
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} |
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effects->addRepaint(m_lastRect[0].adjusted(-1,-1,1,1)); |
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} |
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void TrackMouseEffect::slotMouseChanged(const QPoint&, const QPoint&, |
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Qt::MouseButtons, Qt::MouseButtons, |
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Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers) |
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{ |
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if (!m_mousePolling) // we didn't ask for it but maybe someone else did... |
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return; |
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if (m_modifiers && modifiers == m_modifiers) { |
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if (!m_active && !init()) { |
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return; |
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} |
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effects->addRepaint(m_lastRect[0].adjusted(-1,-1,1,1)); |
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} else if (m_active) { |
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m_active = false; |
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effects->addRepaint(m_lastRect[0].adjusted(-1,-1,1,1)); |
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} |
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} |
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void TrackMouseEffect::loadTexture() |
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{ |
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QString f[2] = {KGlobal::dirs()->findResource("appdata", "tm_outer.png"), |
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KGlobal::dirs()->findResource("appdata", "tm_inner.png")}; |
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if (f[0].isEmpty() || f[1].isEmpty()) |
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return; |
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for (int i = 0; i < 2; ++i) { |
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if ( effects->isOpenGLCompositing()) { |
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QImage img(f[i]); |
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m_texture[i] = new GLTexture(img); |
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m_lastRect[i].setSize(img.size()); |
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} |
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING |
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if ( effects->compositingType() == XRenderCompositing) { |
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m_pixmap[i] = new QPixmap(f[i]); |
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m_lastRect[i].setSize(m_pixmap[i]->size()); |
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} |
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#endif |
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} |
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} |
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bool TrackMouseEffect::isActive() const |
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{ |
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return m_active; |
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} |
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} // namespace
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