diff --git a/effects/mouseclick/mouseclick.cpp b/effects/mouseclick/mouseclick.cpp index 99b9303fc..b614d32c6 100644 --- a/effects/mouseclick/mouseclick.cpp +++ b/effects/mouseclick/mouseclick.cpp @@ -1,379 +1,382 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2012 Filip Wieladek 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 . *********************************************************************/ #include "mouseclick.h" // KConfigSkeleton #include "mouseclickconfig.h" #include #ifdef KWIN_HAVE_XRENDER_COMPOSITING #include #include #include #endif #include #include #include #include namespace KWin { KWIN_EFFECT(mouseclick, MouseClickEffect) MouseClickEffect::MouseClickEffect() { m_enabled = false; KActionCollection* actionCollection = new KActionCollection(this); KAction* a = static_cast(actionCollection->addAction("ToggleMouseClick")); a->setText(i18n("Toggle Effect")); a->setGlobalShortcut(KShortcut(Qt::META + Qt::Key_Asterisk)); connect(a, SIGNAL(triggered(bool)), this, SLOT(toggleEnabled())); - connect(effects, SIGNAL(mouseChanged(QPoint,QPoint,Qt::MouseButtons,Qt::MouseButtons,Qt::KeyboardModifiers,Qt::KeyboardModifiers)), - this, SLOT(slotMouseChanged(QPoint,QPoint,Qt::MouseButtons,Qt::MouseButtons,Qt::KeyboardModifiers,Qt::KeyboardModifiers))); reconfigure(ReconfigureAll); m_buttons[0] = new MouseButton(i18n("Left"), Qt::LeftButton); m_buttons[1] = new MouseButton(i18n("Middle"), Qt::MiddleButton); m_buttons[2] = new MouseButton(i18n("Right"), Qt::RightButton); } MouseClickEffect::~MouseClickEffect() { if (m_enabled) effects->stopMousePolling(); foreach (const MouseEvent* click, m_clicks) { delete click; } m_clicks.clear(); for (int i = 0; i < BUTTON_COUNT; ++i) { delete m_buttons[i]; } } void MouseClickEffect::reconfigure(ReconfigureFlags) { MouseClickConfig::self()->readConfig(); m_colors[0] = MouseClickConfig::color1(); m_colors[1] = MouseClickConfig::color2(); m_colors[2] = MouseClickConfig::color3(); m_lineWidth = MouseClickConfig::lineWidth(); m_ringLife = MouseClickConfig::ringLife(); m_ringMaxSize = MouseClickConfig::ringSize(); m_ringCount = MouseClickConfig::ringCount(); m_showText = MouseClickConfig::showText(); m_font = MouseClickConfig::font(); } void MouseClickEffect::prePaintScreen(ScreenPrePaintData& data, int time) { foreach (MouseEvent* click, m_clicks) { click->m_time += time; } for (int i = 0; i < BUTTON_COUNT; ++i) { if (m_buttons[i]->m_isPressed) { m_buttons[i]->m_time += time; } } while (m_clicks.size() > 0) { MouseEvent* first = m_clicks[0]; if (first->m_time <= m_ringLife) { break; } m_clicks.pop_front(); delete first; } effects->prePaintScreen(data, time); } void MouseClickEffect::paintScreen(int mask, QRegion region, ScreenPaintData& data) { effects->paintScreen(mask, region, data); paintScreenSetup(mask, region, data); foreach (const MouseEvent* click, m_clicks) { for (int i = 0; i < m_ringCount; ++i) { float alpha = computeAlpha(click, i); float size = computeRadius(click, i); if (size > 0 && alpha > 0) { QColor color = m_colors[click->m_button]; color.setAlphaF(alpha); drawCircle(color, click->m_pos.x(), click->m_pos.y(), size); } } if (m_showText && click->m_frame) { float frameAlpha = (click->m_time * 2.0f - m_ringLife) / m_ringLife; frameAlpha = frameAlpha < 0 ? 1 : -(frameAlpha * frameAlpha) + 1; click->m_frame->render(infiniteRegion(), frameAlpha, frameAlpha); } } paintScreenFinish(mask, region, data); } void MouseClickEffect::postPaintScreen() { effects->postPaintScreen(); repaint(); } float MouseClickEffect::computeRadius(const MouseEvent* click, int ring) { float ringDistance = m_ringLife / (m_ringCount * 3); if (click->m_press) { return ((click->m_time - ringDistance * ring) / m_ringLife) * m_ringMaxSize; } return ((m_ringLife - click->m_time - ringDistance * ring) / m_ringLife) * m_ringMaxSize; } float MouseClickEffect::computeAlpha(const MouseEvent* click, int ring) { float ringDistance = m_ringLife / (m_ringCount * 3); return (m_ringLife - (float)click->m_time - ringDistance * (ring)) / m_ringLife; } void MouseClickEffect::slotMouseChanged(const QPoint& pos, const QPoint&, Qt::MouseButtons buttons, Qt::MouseButtons oldButtons, Qt::KeyboardModifiers, Qt::KeyboardModifiers) { if (buttons == oldButtons) return; MouseEvent* m = NULL; for (int i = 0; i < BUTTON_COUNT; ++i) { MouseButton* b = m_buttons[i]; if (isPressed(b->m_button, buttons, oldButtons)) { m = new MouseEvent(i, pos, 0, createEffectFrame(pos, b->m_labelDown), true); } else if (isReleased(b->m_button, buttons, oldButtons) && (!b->m_isPressed || b->m_time > m_ringLife)) { // we might miss a press, thus also check !b->m_isPressed, bug #314762 m = new MouseEvent(i, pos, 0, createEffectFrame(pos, b->m_labelUp), false); } b->setPressed(b->m_button & buttons); } if (m) { m_clicks.append(m); } repaint(); } EffectFrame* MouseClickEffect::createEffectFrame(const QPoint& pos, const QString& text) { if (!m_showText) { return NULL; } QPoint point(pos.x() + m_ringMaxSize, pos.y()); EffectFrame* frame = effects->effectFrame(EffectFrameStyled, false, point, Qt::AlignLeft); frame->setFont(m_font); frame->setText(text); return frame; } void MouseClickEffect::repaint() { if (m_clicks.size() > 0) { QRegion dirtyRegion; const int radius = m_ringMaxSize + m_lineWidth; foreach (MouseEvent* click, m_clicks) { dirtyRegion |= QRect(click->m_pos.x() - radius, click->m_pos.y() - radius, 2*radius, 2*radius); if (click->m_frame) { // we grant the plasma style 32px padding for stuff like shadows... dirtyRegion |= click->m_frame->geometry().adjusted(-32,-32,32,32); } } effects->addRepaint(dirtyRegion); } } bool MouseClickEffect::isReleased(Qt::MouseButtons button, Qt::MouseButtons buttons, Qt::MouseButtons oldButtons) { return !(button & buttons) && (button & oldButtons); } bool MouseClickEffect::isPressed(Qt::MouseButtons button, Qt::MouseButtons buttons, Qt::MouseButtons oldButtons) { return (button & buttons) && !(button & oldButtons); } void MouseClickEffect::toggleEnabled() { m_enabled = !m_enabled; + + if (m_enabled) { + connect(effects, SIGNAL(mouseChanged(QPoint,QPoint,Qt::MouseButtons,Qt::MouseButtons,Qt::KeyboardModifiers,Qt::KeyboardModifiers)), + SLOT(slotMouseChanged(QPoint,QPoint,Qt::MouseButtons,Qt::MouseButtons,Qt::KeyboardModifiers,Qt::KeyboardModifiers))); + effects->startMousePolling(); + } else { + disconnect(effects, SIGNAL(mouseChanged(QPoint,QPoint,Qt::MouseButtons,Qt::MouseButtons,Qt::KeyboardModifiers,Qt::KeyboardModifiers)), + this, SLOT(slotMouseChanged(QPoint,QPoint,Qt::MouseButtons,Qt::MouseButtons,Qt::KeyboardModifiers,Qt::KeyboardModifiers))); + effects->stopMousePolling(); + } + if (m_clicks.size() > 0) { foreach (const MouseEvent* click, m_clicks) { delete click; } } m_clicks.clear(); for (int i = 0; i < BUTTON_COUNT; ++i) { m_buttons[i]->m_time = 0; m_buttons[i]->m_isPressed = false; } - - if (m_enabled) { - effects->startMousePolling(); - } else { - effects->stopMousePolling(); - } } bool MouseClickEffect::isActive() const { return m_enabled && (m_clicks.size() > 0); } void MouseClickEffect::drawCircle(const QColor& color, float cx, float cy, float r) { if (effects->isOpenGLCompositing()) drawCircleGl(color, cx, cy, r); if (effects->compositingType() == XRenderCompositing) drawCircleXr(color, cx, cy, r); } void MouseClickEffect::paintScreenSetup(int mask, QRegion region, ScreenPaintData& data) { if (effects->isOpenGLCompositing()) paintScreenSetupGl(mask, region, data); } void MouseClickEffect::paintScreenFinish(int mask, QRegion region, ScreenPaintData& data) { if (effects->isOpenGLCompositing()) paintScreenFinishGl(mask, region, data); } void MouseClickEffect::drawCircleGl(const QColor& color, float cx, float cy, float r) { static int num_segments = 80; static float theta = 2 * 3.1415926 / float(num_segments); static float c = cosf(theta); //precalculate the sine and cosine static float s = sinf(theta); float t; float x = r;//we start at angle = 0 float y = 0; GLVertexBuffer* vbo = GLVertexBuffer::streamingBuffer(); vbo->reset(); vbo->setUseColor(true); vbo->setColor(color); QVector verts; verts.reserve(num_segments * 2); for (int ii = 0; ii < num_segments; ++ii) { verts << x + cx << y + cy;//output vertex //apply the rotation matrix t = x; x = c * x - s * y; y = s * t + c * y; } vbo->setData(verts.size() / 2, 2, verts.data(), NULL); vbo->render(GL_LINE_LOOP); } void MouseClickEffect::drawCircleXr(const QColor& color, float cx, float cy, float r) { #ifdef KWIN_HAVE_XRENDER_COMPOSITING if (r <= m_lineWidth) return; int num_segments = r+8; float theta = 2.0 * 3.1415926 / num_segments; float cos = cosf(theta); //precalculate the sine and cosine float sin = sinf(theta); float x[2] = {r, r-m_lineWidth}; float y[2] = {0, 0}; #define DOUBLE_TO_FIXED(d) ((xcb_render_fixed_t) ((d) * 65536)) QVector strip; strip.reserve(2*num_segments+2); xcb_render_pointfix_t point; point.x = DOUBLE_TO_FIXED(x[1]+cx); point.y = DOUBLE_TO_FIXED(y[1]+cy); strip << point; for (int i = 0; i < num_segments; ++i) { //apply the rotation matrix const float h[2] = {x[0], x[1]}; x[0] = cos * x[0] - sin * y[0]; x[1] = cos * x[1] - sin * y[1]; y[0] = sin * h[0] + cos * y[0]; y[1] = sin * h[1] + cos * y[1]; point.x = DOUBLE_TO_FIXED(x[0]+cx); point.y = DOUBLE_TO_FIXED(y[0]+cy); strip << point; point.x = DOUBLE_TO_FIXED(x[1]+cx); point.y = DOUBLE_TO_FIXED(y[1]+cy); strip << point; } const float h = x[0]; x[0] = cos * x[0] - sin * y[0]; y[0] = sin * h + cos * y[0]; point.x = DOUBLE_TO_FIXED(x[0]+cx); point.y = DOUBLE_TO_FIXED(y[0]+cy); strip << point; XRenderPicture fill = xRenderFill(color); xcb_render_tri_strip(connection(), XCB_RENDER_PICT_OP_OVER, fill, effects->xrenderBufferPicture(), 0, 0, 0, strip.count(), strip.constData()); #undef DOUBLE_TO_FIXED #else Q_UNUSED(color) Q_UNUSED(cx) Q_UNUSED(cy) Q_UNUSED(r) #endif } void MouseClickEffect::paintScreenSetupGl(int, QRegion, ScreenPaintData&) { if (ShaderManager::instance()->isValid()) { ShaderManager::instance()->pushShader(ShaderManager::ColorShader); } glLineWidth(m_lineWidth); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); } void MouseClickEffect::paintScreenFinishGl(int, QRegion, ScreenPaintData&) { glDisable(GL_BLEND); if (ShaderManager::instance()->isValid()) { ShaderManager::instance()->popShader(); } } } // namespace #include "mouseclick.moc"