329 lines
8.7 KiB
C++
329 lines
8.7 KiB
C++
/*
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* Copyright 2009 Marco Martin <notmart@gmail.com>
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*
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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 Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "windoweffects.h"
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#include <QVarLengthArray>
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#include <kwindowsystem.h>
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#ifdef Q_WS_X11
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include <QX11Info>
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#endif
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namespace Plasma
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{
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namespace WindowEffects
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{
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//FIXME: check if this works for any atom?
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bool isEffectAvailable(Effect effect)
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{
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if (!KWindowSystem::compositingActive()) {
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return false;
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}
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#ifdef Q_WS_X11
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QString effectName;
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switch (effect) {
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case Slide:
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effectName = "_KDE_SLIDE";
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break;
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case WindowPreview:
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effectName = "_KDE_WINDOW_PREVIEW";
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break;
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case PresentWindows:
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effectName = "_KDE_PRESENT_WINDOWS_DESKTOP";
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break;
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case PresentWindowsGroup:
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effectName = "_KDE_PRESENT_WINDOWS_GROUP";
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break;
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case HighlightWindows:
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effectName = "_KDE_WINDOW_HIGHLIGHT";
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break;
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case OverrideShadow:
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effectName = "_KDE_SHADOW_OVERRIDE";
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break;
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case BlurBehind:
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effectName = "_KDE_NET_WM_BLUR_REGION";
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break;
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default:
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return false;
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}
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// hackish way to find out if KWin has the effect enabled,
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// TODO provide proper support
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Display *dpy = QX11Info::display();
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Atom atom = XInternAtom(dpy, effectName.toLatin1(), False);
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int cnt;
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Atom *list = XListProperties(dpy, DefaultRootWindow(dpy), &cnt);
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if (list != NULL) {
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bool ret = (qFind(list, list + cnt, atom) != list + cnt);
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XFree(list);
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return ret;
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}
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#endif
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return false;
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}
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void slideWindow(WId id, Plasma::Location location, int offset)
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{
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#ifdef Q_WS_X11
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Display *dpy = QX11Info::display();
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Atom atom = XInternAtom( dpy, "_KDE_SLIDE", False );
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QVarLengthArray<long, 1024> data(2);
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data[0] = offset;
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switch (location) {
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case LeftEdge:
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data[1] = 0;
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break;
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case TopEdge:
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data[1] = 1;
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break;
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case RightEdge:
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data[1] = 2;
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break;
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case BottomEdge:
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data[1] = 3;
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default:
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break;
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}
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if (location == Desktop || location == Floating) {
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XDeleteProperty(dpy, id, atom);
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} else {
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XChangeProperty(dpy, id, atom, atom, 32, PropModeReplace,
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reinterpret_cast<unsigned char *>(data.data()), data.size());
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}
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#endif
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}
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void slideWindow(QWidget *widget, Plasma::Location location)
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{
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#ifdef Q_WS_X11
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Display *dpy = QX11Info::display();
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Atom atom = XInternAtom( dpy, "_KDE_SLIDE", False );
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QVarLengthArray<long, 1024> data(2);
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switch (location) {
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case LeftEdge:
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data[0] = widget->geometry().left();
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data[1] = 0;
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break;
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case TopEdge:
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data[0] = widget->geometry().top();
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data[1] = 1;
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break;
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case RightEdge:
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data[0] = widget->geometry().right();
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data[1] = 2;
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break;
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case BottomEdge:
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data[0] = widget->geometry().bottom();
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data[1] = 3;
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default:
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break;
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}
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if (location == Desktop || location == Floating) {
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XDeleteProperty(dpy, widget->effectiveWinId(), atom);
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} else {
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XChangeProperty(dpy, widget->effectiveWinId(), atom, atom, 32, PropModeReplace,
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reinterpret_cast<unsigned char *>(data.data()), data.size());
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}
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#endif
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}
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QList<QSize> windowSizes(const QList<WId> &ids)
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{
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QList<QSize> windowSizes;
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foreach (WId id, ids) {
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#ifdef Q_WS_X11
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if (id > 0) {
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KWindowInfo info = KWindowSystem::windowInfo(id, NET::WMGeometry|NET::WMFrameExtents);
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windowSizes.append(info.frameGeometry().size());
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} else {
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windowSizes.append(QSize());
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}
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#else
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windowSizes.append(QSize());
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#endif
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}
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return windowSizes;
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}
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void showWindowThumbnails(WId parent, const QList<WId> &windows, const QList<QRect> &rects)
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{
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if (windows.size() != rects.size()) {
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return;
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}
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#ifdef Q_WS_X11
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Display *dpy = QX11Info::display();
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Atom atom = XInternAtom(dpy, "_KDE_WINDOW_PREVIEW", False);
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if (windows.isEmpty()) {
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XDeleteProperty(dpy, parent, atom);
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return;
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}
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int numWindows = windows.size();
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QVarLengthArray<long, 1024> data(1 + (6 * numWindows));
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data[0] = numWindows;
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QList<WId>::const_iterator windowsIt;
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QList<QRect>::const_iterator rectsIt = rects.constBegin();
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int i = 0;
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for (windowsIt = windows.constBegin(); windowsIt != windows.constEnd(); ++windowsIt) {
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const int start = (i * 6) + 1;
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const QRect thumbnailRect = (*rectsIt);
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data[start] = 5;
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data[start+1] = (*windowsIt);
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data[start+2] = thumbnailRect.x();
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data[start+3] = thumbnailRect.y();
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data[start+4] = thumbnailRect.width();
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data[start+5] = thumbnailRect.height();
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++rectsIt;
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++i;
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}
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XChangeProperty(dpy, parent, atom, atom, 32, PropModeReplace,
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reinterpret_cast<unsigned char *>(data.data()), data.size());
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#endif
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}
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void presentWindows(WId controller, const QList<WId> &ids)
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{
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#ifdef Q_WS_X11
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const int numWindows = ids.count();
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QVarLengthArray<long, 32> data(numWindows);
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int actualCount = 0;
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for (int i = 0; i < numWindows; ++i) {
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data[i] = ids.at(i);
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++actualCount;
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}
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if (actualCount != numWindows) {
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data.resize(actualCount);
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}
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if (!data.isEmpty()) {
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Display *dpy = QX11Info::display();
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Atom atom = XInternAtom(dpy, "_KDE_PRESENT_WINDOWS_GROUP", False);
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XChangeProperty(dpy, controller, atom, atom, 32, PropModeReplace,
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reinterpret_cast<unsigned char *>(data.data()), data.size());
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}
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#endif
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}
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void presentWindows(WId controller, int desktop)
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{
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#ifdef Q_WS_X11
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QVarLengthArray<long, 32> data(1);
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data[0] = desktop;
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Display *dpy = QX11Info::display();
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Atom atom = XInternAtom(dpy, "_KDE_PRESENT_WINDOWS_DESKTOP", False);
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XChangeProperty(dpy, controller, atom, atom, 32, PropModeReplace,
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reinterpret_cast<unsigned char *>(data.data()), data.size());
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#endif
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}
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void highlightWindows(WId controller, const QList<WId> &ids)
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{
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#ifdef Q_WS_X11
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const int numWindows = ids.count();
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Display *dpy = QX11Info::display();
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Atom atom = XInternAtom(dpy, "_KDE_WINDOW_HIGHLIGHT", False);
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if (numWindows == 0) {
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Atom atom = XInternAtom(dpy, "_KDE_WINDOW_HIGHLIGHT", False);
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XDeleteProperty(dpy, controller, atom);
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}
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QVarLengthArray<long, 32> data(numWindows);
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int actualCount = 0;
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for (int i = 0; i < numWindows; ++i) {
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data[i] = ids.at(i);
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++actualCount;
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}
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if (actualCount != numWindows) {
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data.resize(actualCount);
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}
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if (!data.isEmpty()) {
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XChangeProperty(dpy, controller, atom, atom, 32, PropModeReplace,
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reinterpret_cast<unsigned char *>(data.data()), data.size());
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}
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#endif
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}
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void overrideShadow(WId window, bool override)
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{
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#ifdef Q_WS_X11
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Display *dpy = QX11Info::display();
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Atom atom = XInternAtom( dpy, "_KDE_SHADOW_OVERRIDE", False );
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QVarLengthArray<long, 1024> data(1);
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data[0] = 1;
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if (!override) {
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XDeleteProperty(dpy, window, atom);
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} else {
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XChangeProperty(dpy, window, atom, atom, 32, PropModeReplace,
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reinterpret_cast<unsigned char *>(data.data()), data.size());
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}
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#endif
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}
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void enableBlurBehind(WId window, bool enable, const QRegion ®ion)
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{
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#ifdef Q_WS_X11
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Display *dpy = QX11Info::display();
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Atom atom = XInternAtom(dpy, "_KDE_NET_WM_BLUR_REGION", False);
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if (enable) {
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QVector<QRect> rects = region.rects();
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QVector<quint32> data;
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for (int i = 0; i < rects.count(); i++) {
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const QRect r = rects[i];
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data << r.x() << r.y() << r.width() << r.height();
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}
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XChangeProperty(dpy, window, atom, XA_CARDINAL, 32, PropModeReplace,
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reinterpret_cast<const unsigned char *>(data.constData()), data.size());
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} else {
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XDeleteProperty(dpy, window, atom);
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}
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#endif
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}
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}
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}
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