408 lines
15 KiB
C++
408 lines
15 KiB
C++
/********************************************************************
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2007 Lubos Lunak <l.lunak@kde.org>
|
|
Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.com>
|
|
Copyright (C) 2009, 2010 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 "logout.h"
|
|
|
|
#include "kwinglutils.h"
|
|
|
|
#include <math.h>
|
|
#include <kconfiggroup.h>
|
|
#include <kdebug.h>
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
KWIN_EFFECT(logout, LogoutEffect)
|
|
|
|
LogoutEffect::LogoutEffect()
|
|
: progress(0.0)
|
|
, displayEffect(false)
|
|
, logoutWindow(NULL)
|
|
, logoutWindowClosed(true)
|
|
, logoutWindowPassed(false)
|
|
, canDoPersistent(false)
|
|
, ignoredWindows()
|
|
{
|
|
// Persistent effect
|
|
logoutAtom = XInternAtom(display(), "_KDE_LOGGING_OUT", False);
|
|
effects->registerPropertyType(logoutAtom, true);
|
|
|
|
// Block KSMServer's effect
|
|
char net_wm_cm_name[ 100 ];
|
|
sprintf(net_wm_cm_name, "_NET_WM_CM_S%d", DefaultScreen(display()));
|
|
Atom net_wm_cm = XInternAtom(display(), net_wm_cm_name, False);
|
|
Window sel = XGetSelectionOwner(display(), net_wm_cm);
|
|
Atom hack = XInternAtom(display(), "_KWIN_LOGOUT_EFFECT", False);
|
|
XChangeProperty(display(), sel, hack, hack, 8, PropModeReplace, (unsigned char*)&hack, 1);
|
|
// the atom is not removed when effect is destroyed, this is temporary anyway
|
|
|
|
#ifdef KWIN_HAVE_OPENGL
|
|
blurTexture = NULL;
|
|
blurTarget = NULL;
|
|
#endif
|
|
reconfigure(ReconfigureAll);
|
|
connect(effects, SIGNAL(windowAdded(KWin::EffectWindow*)), this, SLOT(slotWindowAdded(KWin::EffectWindow*)));
|
|
connect(effects, SIGNAL(windowClosed(KWin::EffectWindow*)), this, SLOT(slotWindowClosed(KWin::EffectWindow*)));
|
|
connect(effects, SIGNAL(windowDeleted(KWin::EffectWindow*)), this, SLOT(slotWindowDeleted(KWin::EffectWindow*)));
|
|
connect(effects, SIGNAL(propertyNotify(KWin::EffectWindow*,long)), this, SLOT(slotPropertyNotify(KWin::EffectWindow*,long)));
|
|
}
|
|
|
|
LogoutEffect::~LogoutEffect()
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL
|
|
delete blurTexture;
|
|
delete blurTarget;
|
|
#endif
|
|
}
|
|
|
|
void LogoutEffect::reconfigure(ReconfigureFlags)
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL
|
|
frameDelay = 0;
|
|
KConfigGroup conf = effects->effectConfig("Logout");
|
|
useBlur = conf.readEntry("UseBlur", true);
|
|
delete blurTexture;
|
|
blurTexture = NULL;
|
|
delete blurTarget;
|
|
blurTarget = NULL;
|
|
blurSupported = false;
|
|
#endif
|
|
}
|
|
|
|
void LogoutEffect::prePaintScreen(ScreenPrePaintData& data, int time)
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL
|
|
if (!displayEffect && progress == 0.0) {
|
|
if (blurTexture) {
|
|
delete blurTexture;
|
|
blurTexture = NULL;
|
|
delete blurTarget;
|
|
blurTarget = NULL;
|
|
blurSupported = false;
|
|
}
|
|
} else if (!blurTexture) {
|
|
blurSupported = false;
|
|
delete blurTarget; // catch as we just tested the texture ;-P
|
|
if (effects->compositingType() == OpenGLCompositing && GLTexture::NPOTTextureSupported() && useBlur) {
|
|
// TODO: It seems that it is not possible to create a GLRenderTarget that has
|
|
// a different size than the display right now. Most likely a KWin core bug.
|
|
// Create texture and render target
|
|
blurTexture = new GLTexture(displayWidth(), displayHeight());
|
|
blurTexture->setFilter(GL_LINEAR_MIPMAP_LINEAR);
|
|
blurTexture->setWrapMode(GL_CLAMP_TO_EDGE);
|
|
|
|
blurTarget = new GLRenderTarget(*blurTexture);
|
|
if (blurTarget->valid())
|
|
blurSupported = true;
|
|
|
|
// As creating the render target takes time it can cause the first two frames of the
|
|
// blur animation to be jerky. For this reason we only start the animation after the
|
|
// third frame.
|
|
frameDelay = 2;
|
|
}
|
|
}
|
|
|
|
if (frameDelay)
|
|
--frameDelay;
|
|
else
|
|
#endif
|
|
{
|
|
if (displayEffect)
|
|
progress = qMin(1.0, progress + time / animationTime(2000.0));
|
|
else if (progress > 0.0)
|
|
progress = qMax(0.0, progress - time / animationTime(500.0));
|
|
}
|
|
|
|
#ifdef KWIN_HAVE_OPENGL
|
|
if (blurSupported && progress > 0.0) {
|
|
data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
|
|
}
|
|
#endif
|
|
|
|
effects->prePaintScreen(data, time);
|
|
}
|
|
|
|
void LogoutEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
|
|
{
|
|
if (progress > 0.0) {
|
|
#ifdef KWIN_HAVE_OPENGL
|
|
if (effects->compositingType() == KWin::OpenGLCompositing) {
|
|
// In OpenGL mode we add vignetting and, if supported, a slight blur
|
|
if (blurSupported) {
|
|
// When using blur we render everything to an FBO and as such don't do the vignetting
|
|
// until after we render the FBO to the screen.
|
|
if (w == logoutWindow) {
|
|
// Window is rendered after the FBO
|
|
windowOpacity = data.opacity;
|
|
data.opacity = 0.0; // Cheat, we need the opacity for later but don't want to blur it
|
|
} else {
|
|
if (logoutWindowPassed || ignoredWindows.contains(w)) {
|
|
// Window is rendered after the FBO
|
|
windows.append(w);
|
|
windowsOpacities[ w ] = data.opacity;
|
|
data.opacity = 0.0;
|
|
} else // Window is added to the FBO
|
|
data.saturation *= (1.0 - progress * 0.2);
|
|
}
|
|
} else {
|
|
// If we are not blurring then we are not rendering to an FBO
|
|
if (w == logoutWindow)
|
|
// This is the logout window don't alter it but render our vignetting now
|
|
renderVignetting();
|
|
else if (!logoutWindowPassed && !ignoredWindows.contains(w))
|
|
// Window is in the background, desaturate
|
|
data.saturation *= (1.0 - progress * 0.2);
|
|
// All other windows are unaltered
|
|
}
|
|
}
|
|
#endif
|
|
if (effects->compositingType() == KWin::XRenderCompositing) {
|
|
// Since we can't do vignetting in XRender just do a stronger desaturation and darken
|
|
if (w != logoutWindow && !logoutWindowPassed && !ignoredWindows.contains(w)) {
|
|
data.saturation *= (1.0 - progress * 0.8);
|
|
data.brightness *= (1.0 - progress * 0.3);
|
|
}
|
|
}
|
|
if (w == logoutWindow ||
|
|
ignoredWindows.contains(w)) // HACK: All windows past the first ignored one should not be
|
|
// blurred as it affects the stacking order.
|
|
// All following windows are on top of the logout window and should not be altered either
|
|
logoutWindowPassed = true;
|
|
}
|
|
effects->paintWindow(w, mask, region, data);
|
|
}
|
|
|
|
void LogoutEffect::paintScreen(int mask, QRegion region, ScreenPaintData& data)
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL
|
|
if (blurSupported && progress > 0.0)
|
|
GLRenderTarget::pushRenderTarget(blurTarget);
|
|
#endif
|
|
effects->paintScreen(mask, region, data);
|
|
|
|
#ifdef KWIN_HAVE_OPENGL
|
|
#ifndef KWIN_HAVE_OPENGLES
|
|
if (effects->compositingType() == KWin::OpenGLCompositing && progress > 0.0) {
|
|
if (!blurSupported) {
|
|
if (!logoutWindowPassed)
|
|
// The logout window has been deleted but we still want to fade out the vignetting, thus
|
|
// render it on the top of everything if still animating. We don't check if logoutWindow
|
|
// is set as it may still be even if it wasn't rendered.
|
|
renderVignetting();
|
|
} else {
|
|
GLRenderTarget* target = GLRenderTarget::popRenderTarget();
|
|
assert(target == blurTarget);
|
|
Q_UNUSED(target);
|
|
|
|
//--------------------------
|
|
// Render the screen effect
|
|
|
|
// HACK: the GL code is still OpenGL 1, so we have to unbind the shader.
|
|
GLint shader = 0;
|
|
if (ShaderManager::instance()->isShaderBound()) {
|
|
glGetIntegerv(GL_CURRENT_PROGRAM, &shader);
|
|
glUseProgram(0);
|
|
}
|
|
glPushAttrib(GL_CURRENT_BIT | GL_ENABLE_BIT | GL_TEXTURE_BIT);
|
|
|
|
// Unmodified base image
|
|
blurTexture->bind();
|
|
glBegin(GL_QUADS);
|
|
glTexCoord2f(0.0, 0.0);
|
|
glVertex2f(0.0, displayHeight());
|
|
glTexCoord2f(1.0, 0.0);
|
|
glVertex2f(displayWidth(), displayHeight());
|
|
glTexCoord2f(1.0, 1.0);
|
|
glVertex2f(displayWidth(), 0.0);
|
|
glTexCoord2f(0.0, 1.0);
|
|
glVertex2f(0.0, 0.0);
|
|
glEnd();
|
|
|
|
// Blurred image
|
|
GLfloat bias[1];
|
|
glGetTexEnvfv(GL_TEXTURE_FILTER_CONTROL, GL_TEXTURE_LOD_BIAS, bias);
|
|
glTexEnvf(GL_TEXTURE_FILTER_CONTROL, GL_TEXTURE_LOD_BIAS, 1.75);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
glColor4f(1.0f, 1.0f, 1.0f, progress * 0.4);
|
|
glBegin(GL_QUADS);
|
|
glTexCoord2f(0.0, 0.0);
|
|
glVertex2f(0.0, displayHeight());
|
|
glTexCoord2f(1.0, 0.0);
|
|
glVertex2f(displayWidth(), displayHeight());
|
|
glTexCoord2f(1.0, 1.0);
|
|
glVertex2f(displayWidth(), 0.0);
|
|
glTexCoord2f(0.0, 1.0);
|
|
glVertex2f(0.0, 0.0);
|
|
glEnd();
|
|
glTexEnvf(GL_TEXTURE_FILTER_CONTROL, GL_TEXTURE_LOD_BIAS, bias[0]);
|
|
blurTexture->unbind();
|
|
|
|
// Vignetting (Radial gradient with transparent middle and black edges)
|
|
renderVignetting();
|
|
|
|
glPopAttrib();
|
|
// HACK: rebind previously bound shader
|
|
if (ShaderManager::instance()->isShaderBound()) {
|
|
glUseProgram(shader);
|
|
}
|
|
|
|
//--------------------------
|
|
|
|
// Render the logout window
|
|
if (logoutWindow) {
|
|
int winMask = logoutWindow->hasAlpha() ? PAINT_WINDOW_TRANSLUCENT : PAINT_WINDOW_OPAQUE;
|
|
WindowPaintData winData(logoutWindow);
|
|
winData.opacity = windowOpacity;
|
|
effects->drawWindow(logoutWindow, winMask, region, winData);
|
|
}
|
|
|
|
// Render all windows on top of logout window
|
|
foreach (EffectWindow * w, windows) {
|
|
int winMask = w->hasAlpha() ? PAINT_WINDOW_TRANSLUCENT : PAINT_WINDOW_OPAQUE;
|
|
WindowPaintData winData(w);
|
|
winData.opacity = windowsOpacities[ w ];
|
|
effects->drawWindow(w, winMask, region, winData);
|
|
}
|
|
|
|
windows.clear();
|
|
windowsOpacities.clear();
|
|
}
|
|
}
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
void LogoutEffect::postPaintScreen()
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL
|
|
if ((progress != 0.0 && progress != 1.0) || frameDelay)
|
|
effects->addRepaintFull();
|
|
#else
|
|
if (progress != 0.0 && progress != 1.0)
|
|
effects->addRepaintFull();
|
|
#endif
|
|
|
|
if (progress > 0.0)
|
|
logoutWindowPassed = false;
|
|
effects->postPaintScreen();
|
|
}
|
|
|
|
void LogoutEffect::slotWindowAdded(EffectWindow* w)
|
|
{
|
|
if (isLogoutDialog(w)) {
|
|
logoutWindow = w;
|
|
logoutWindowClosed = false; // So we don't blur the window on close
|
|
progress = 0.0;
|
|
displayEffect = true;
|
|
ignoredWindows.clear();
|
|
effects->addRepaintFull();
|
|
} else if (canDoPersistent)
|
|
// TODO: Add parent
|
|
ignoredWindows.append(w);
|
|
}
|
|
|
|
void LogoutEffect::slotWindowClosed(EffectWindow* w)
|
|
{
|
|
if (w == logoutWindow) {
|
|
logoutWindowClosed = true;
|
|
if (!canDoPersistent)
|
|
displayEffect = false; // Fade back to normal
|
|
effects->addRepaintFull();
|
|
}
|
|
}
|
|
|
|
void LogoutEffect::slotWindowDeleted(EffectWindow* w)
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL
|
|
windows.removeAll(w);
|
|
#endif
|
|
ignoredWindows.removeAll(w);
|
|
if (w == logoutWindow)
|
|
logoutWindow = NULL;
|
|
}
|
|
|
|
bool LogoutEffect::isLogoutDialog(EffectWindow* w)
|
|
{
|
|
// TODO there should be probably a better way (window type?)
|
|
if (w->windowClass() == "ksmserver ksmserver"
|
|
&& (w->windowRole() == "logoutdialog" || w->windowRole() == "logouteffect")) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
#ifdef KWIN_HAVE_OPENGL
|
|
void LogoutEffect::renderVignetting()
|
|
{
|
|
#ifndef KWIN_HAVE_OPENGLES
|
|
glPushAttrib(GL_CURRENT_BIT | GL_ENABLE_BIT | GL_TEXTURE_BIT);
|
|
glEnable(GL_BLEND); // If not already (Such as when rendered straight to the screen)
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
for (int screen = 0; screen < effects->numScreens(); screen++) {
|
|
QRect screenGeom = effects->clientArea(ScreenArea, screen, 0);
|
|
glScissor(screenGeom.x(), displayHeight() - screenGeom.y() - screenGeom.height(),
|
|
screenGeom.width(), screenGeom.height()); // GL coords are flipped
|
|
glEnable(GL_SCISSOR_TEST); // Geom must be set before enable
|
|
const float cenX = screenGeom.x() + screenGeom.width() / 2;
|
|
const float cenY = screenGeom.y() + screenGeom.height() / 2;
|
|
const float a = M_PI / 16.0f; // Angle of increment
|
|
const float r = float((screenGeom.width() > screenGeom.height())
|
|
? screenGeom.width() : screenGeom.height()) * 0.8f; // Radius
|
|
glBegin(GL_TRIANGLE_FAN);
|
|
glColor4f(0.0f, 0.0f, 0.0f, 0.0f);
|
|
glVertex3f(cenX, cenY, 0.0f);
|
|
glColor4f(0.0f, 0.0f, 0.0f, progress * 0.9f);
|
|
for (float i = 0.0f; i <= M_PI * 2.01f; i += a)
|
|
glVertex3f(cenX + r * cos(i), cenY + r * sin(i), 0.0f);
|
|
glEnd();
|
|
glDisable(GL_SCISSOR_TEST);
|
|
}
|
|
glPopAttrib();
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
void LogoutEffect::slotPropertyNotify(EffectWindow* w, long a)
|
|
{
|
|
if (w || a != logoutAtom)
|
|
return; // Not our atom
|
|
|
|
QByteArray byteData = effects->readRootProperty(logoutAtom, logoutAtom, 8);
|
|
if (byteData.length() < 1) {
|
|
// Property was deleted
|
|
displayEffect = false;
|
|
return;
|
|
}
|
|
|
|
// We are using a compatible KSMServer therefore only terminate the effect when the
|
|
// atom is deleted, not when the dialog is closed.
|
|
canDoPersistent = true;
|
|
}
|
|
|
|
bool LogoutEffect::isActive() const
|
|
{
|
|
return progress != 0;
|
|
}
|
|
|
|
} // namespace
|