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124 lines
4 KiB
C++
124 lines
4 KiB
C++
/*
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* Copyright (c) 2003 Lubos Lunak <l.lunak@kde.org>
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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 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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*
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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 General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "krandrpassivepopup.h"
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#include <kapplication.h>
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#include <QtGui/qx11info_x11.h>
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#include <QPixmap>
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#include <QEvent>
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// this class is just like KPassivePopup, but it keeps track of the widget
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// it's supposed to be positioned next to, and adjust its position if that
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// widgets moves (needed because after a resolution switch Kicker will
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// reposition itself, causing normal KPassivePopup to stay at weird places)
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KRandrPassivePopup::KRandrPassivePopup(QWidget *parent, Qt::WFlags f)
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: KPassivePopup(parent, f)
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{
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update_timer.setSingleShot( true );
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connect( &update_timer, SIGNAL(timeout()), SLOT(slotPositionSelf()));
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}
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KRandrPassivePopup* KRandrPassivePopup::message(const QString &caption, const QString &text,
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const QPixmap &icon, QWidget *parent, int timeout)
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{
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KRandrPassivePopup *pop = new KRandrPassivePopup(parent);
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pop->setAutoDelete(true);
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pop->setView(caption, text, icon);
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pop->setTimeout(timeout);
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pop->show();
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pop->startWatchingWidget(parent);
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return pop;
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}
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void KRandrPassivePopup::startWatchingWidget(QWidget* widget_P)
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{
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static Atom wm_state = XInternAtom(QX11Info::display() , "WM_STATE", False);
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Window win = widget_P->winId();
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bool x11_events = false;
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for(;;) {
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Window root, parent;
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Window* children;
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unsigned int nchildren;
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XQueryTree(QX11Info::display(), win, &root, &parent, &children, &nchildren);
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if (children != NULL) {
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XFree(children);
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}
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if (win == root) { // huh?
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break;
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}
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win = parent;
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QWidget* widget = QWidget::find(win);
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if (widget != NULL) {
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widget->installEventFilter(this);
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watched_widgets.append(widget);
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} else {
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XWindowAttributes attrs;
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XGetWindowAttributes(QX11Info::display(), win, &attrs);
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XSelectInput(QX11Info::display(), win, attrs.your_event_mask | StructureNotifyMask);
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watched_windows.append(win);
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x11_events = true;
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}
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Atom type;
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int format;
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unsigned long nitems, after;
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unsigned char* data;
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if (XGetWindowProperty( QX11Info::display(), win, wm_state, 0, 0, False, AnyPropertyType,
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&type, &format, &nitems, &after, &data) == Success) {
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if (data != NULL) {
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XFree( data );
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}
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if (type != None) {
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// toplevel window
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break;
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}
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}
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}
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if (x11_events) {
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kapp->installX11EventFilter(this);
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}
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}
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bool KRandrPassivePopup::eventFilter(QObject* o, QEvent* e)
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{
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if (e->type() == QEvent::Move && o->isWidgetType()
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&& watched_widgets.contains( static_cast< QWidget* >( o ))) {
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QTimer::singleShot(0, this, SLOT(slotPositionSelf()));
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}
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return false;
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}
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bool KRandrPassivePopup::x11Event(XEvent* e)
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{
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if (e->type == ConfigureNotify && watched_windows.contains(e->xconfigure.window)) {
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if (!update_timer.isActive()) {
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update_timer.start(10);
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}
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return false;
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}
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return KPassivePopup::x11Event(e);
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}
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void KRandrPassivePopup::slotPositionSelf()
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{
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positionSelf();
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}
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#include "moc_krandrpassivepopup.cpp"
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