2007-12-21 06:33:17 +01:00
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/*
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* Copyright 2007 by Dan Meltzer <hydrogen@notyetimplemented.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 "tooltip_p.h"
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2008-01-03 22:02:32 +01:00
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#include <QBitmap>
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2007-12-21 06:33:17 +01:00
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#include <QHBoxLayout>
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#include <QLabel>
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2008-01-12 06:32:07 +01:00
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#include <QMouseEvent>
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2007-12-21 06:33:17 +01:00
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#include <QPixmap>
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#include <QTimer>
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2007-12-31 00:48:25 +01:00
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#include <QGraphicsView>
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2008-01-20 00:30:14 +01:00
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#ifdef Q_WS_X11
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2008-01-03 12:35:42 +01:00
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#include <QX11Info>
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2008-01-20 00:30:14 +01:00
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#endif
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2007-12-21 06:33:17 +01:00
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2008-02-05 19:26:17 +01:00
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#include <KDebug>
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#include <KGlobal>
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#include <KWindowSystem>
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2008-02-05 01:01:15 +01:00
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#include <plasma/theme.h>
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2008-04-16 19:23:58 +02:00
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#include <plasma/panelsvg.h>
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2008-01-03 12:35:42 +01:00
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2008-01-20 00:30:14 +01:00
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#ifdef Q_WS_X11
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2008-01-03 12:35:42 +01:00
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#include <X11/Xlib.h>
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#include <fixx11h.h>
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2008-01-20 00:30:14 +01:00
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#endif
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2007-12-21 06:33:17 +01:00
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2008-01-03 22:02:32 +01:00
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#include "plasma/plasma.h"
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2007-12-21 06:33:17 +01:00
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namespace Plasma {
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2008-07-01 20:56:43 +02:00
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class ToolTipPrivate
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2007-12-21 06:33:17 +01:00
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{
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public:
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2008-07-01 20:56:43 +02:00
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ToolTipPrivate()
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2007-12-21 06:33:17 +01:00
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: label(0)
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, imageLabel(0)
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2008-01-03 12:35:42 +01:00
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, preview(0)
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, windowToPreview(0)
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2007-12-30 11:17:33 +01:00
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, currentWidget(0)
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2007-12-21 06:33:17 +01:00
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, isShown(false)
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2008-02-05 19:26:17 +01:00
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, delayedHide(false)
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2007-12-21 06:33:17 +01:00
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, showTimer(0)
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, hideTimer(0)
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{ }
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QLabel *label;
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QLabel *imageLabel;
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2008-01-03 12:35:42 +01:00
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WindowPreview *preview;
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WId windowToPreview;
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2007-12-30 11:17:33 +01:00
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Plasma::Widget *currentWidget;
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2007-12-21 06:33:17 +01:00
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bool isShown;
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2008-02-05 19:26:17 +01:00
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bool delayedHide;
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2007-12-21 06:33:17 +01:00
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QTimer *showTimer;
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QTimer *hideTimer;
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2008-02-07 22:24:20 +01:00
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2008-04-16 19:23:58 +02:00
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PanelSvg *background;
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2008-02-07 22:24:20 +01:00
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2007-12-21 06:33:17 +01:00
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};
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class ToolTipSingleton
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{
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public:
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ToolTip self;
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};
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K_GLOBAL_STATIC( ToolTipSingleton, privateInstance )
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2008-01-07 05:39:36 +01:00
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ToolTip *ToolTip::self()
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2007-12-21 06:33:17 +01:00
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{
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return &privateInstance->self;
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}
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2008-02-05 19:26:17 +01:00
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void ToolTip::show(Plasma::Widget *widget)
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2007-12-21 06:33:17 +01:00
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{
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2008-02-05 19:26:17 +01:00
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d->hideTimer->stop();
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d->delayedHide = false;
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2008-04-02 01:01:52 +02:00
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if (d->isShown && d->currentWidget) {
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// we let know widget which had tooltip up to now that it's tooltip
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// is not longer displayed
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d->currentWidget->updateToolTip(false);
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}
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2007-12-30 11:17:33 +01:00
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d->currentWidget = widget;
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2008-02-05 19:26:17 +01:00
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d->showTimer->stop();
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2008-01-21 12:42:08 +01:00
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2007-12-21 06:33:17 +01:00
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if (d->isShown) {
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2008-05-09 07:32:15 +02:00
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// small delay to prevent unnecessary showing when the mouse is moving quickly across items
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2008-01-06 01:43:49 +01:00
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// which can be too much for less powerful CPUs to keep up with
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2008-02-05 19:26:17 +01:00
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d->showTimer->start(200);
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2007-12-30 11:17:33 +01:00
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} else {
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2008-01-06 01:43:49 +01:00
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d->showTimer->start(500);
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2007-12-21 06:33:17 +01:00
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}
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}
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2008-02-05 19:26:17 +01:00
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void ToolTip::delayedHide()
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{
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d->showTimer->stop(); // stop the timer to show the tooltip
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d->delayedHide = true;
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d->hideTimer->start(250);
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}
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2007-12-21 06:33:17 +01:00
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void ToolTip::hide()
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{
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2007-12-30 11:17:33 +01:00
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d->currentWidget = 0;
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2007-12-21 06:33:17 +01:00
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d->showTimer->stop(); //Mouse out, stop the timer to show the tooltip
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2008-02-05 19:26:17 +01:00
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d->delayedHide = false;
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2007-12-21 06:33:17 +01:00
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setVisible(false);
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2008-02-03 17:57:00 +01:00
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d->hideTimer->start(250); //250 ms delay before we are officially "gone" to allow for the time to move between widgets
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2007-12-21 06:33:17 +01:00
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}
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2007-12-30 11:17:33 +01:00
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Plasma::Widget *ToolTip::currentWidget() const
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{
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return d->currentWidget;
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}
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2007-12-21 06:33:17 +01:00
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//PRIVATE FUNCTIONS
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2008-02-05 19:26:17 +01:00
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void ToolTip::showToolTip()
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2007-12-21 06:33:17 +01:00
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{
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2008-02-05 19:26:17 +01:00
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if (!d->currentWidget || !d->currentWidget->toolTip()) {
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return;
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}
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2007-12-31 02:45:48 +01:00
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QGraphicsView *v = d->currentWidget->view();
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if (v && v->mouseGrabber()) {
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2008-01-03 19:20:35 +01:00
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return;
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2007-12-31 02:45:48 +01:00
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}
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2007-12-31 00:48:25 +01:00
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2008-04-02 01:01:52 +02:00
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d->currentWidget->updateToolTip(true);
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2008-02-05 19:26:17 +01:00
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setData(*d->currentWidget->toolTip());
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2008-01-03 19:20:35 +01:00
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if( d->windowToPreview != 0 ) {
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// show/hide the preview area
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2008-01-03 14:59:03 +01:00
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d->preview->show();
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2008-01-03 19:20:35 +01:00
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} else {
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2008-01-03 14:59:03 +01:00
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d->preview->hide();
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2008-01-03 19:20:35 +01:00
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}
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2008-01-03 14:59:03 +01:00
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layout()->activate();
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2008-02-11 18:35:21 +01:00
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resize(sizeHint());
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move(d->currentWidget->popupPosition(size()));
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2008-02-06 02:25:59 +01:00
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if (isVisible()) {
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d->preview->setInfo();
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} else {
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setVisible(true);
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}
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2007-12-21 06:33:17 +01:00
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d->isShown = true; //ToolTip is visible
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}
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2008-02-05 19:26:17 +01:00
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void ToolTip::resetShownState()
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2007-12-21 06:33:17 +01:00
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{
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2008-02-05 19:26:17 +01:00
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if (!isVisible() || //One might have moused out and back in again
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d->delayedHide) {
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d->delayedHide = false;
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2007-12-21 06:33:17 +01:00
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d->isShown = false;
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2008-02-05 19:26:17 +01:00
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setVisible(false);
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2008-04-02 01:01:52 +02:00
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if (d->currentWidget) {
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d->currentWidget->updateToolTip(false);
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}
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d->currentWidget = 0;
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2007-12-21 06:33:17 +01:00
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}
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}
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2008-01-07 15:58:50 +01:00
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void ToolTip::showEvent(QShowEvent *e)
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2008-01-03 12:35:42 +01:00
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{
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2008-01-07 15:58:50 +01:00
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QWidget::showEvent(e);
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2008-01-03 14:59:03 +01:00
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d->preview->setInfo();
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2008-01-03 12:35:42 +01:00
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}
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2008-01-12 06:32:07 +01:00
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void ToolTip::mouseReleaseEvent(QMouseEvent* event)
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{
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if (rect().contains(event->pos())) {
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hide();
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}
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}
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2007-12-21 06:33:17 +01:00
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ToolTip::ToolTip()
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: QWidget(0)
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2008-07-01 20:56:43 +02:00
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, d( new ToolTipPrivate )
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2007-12-21 06:33:17 +01:00
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{
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setWindowFlags(Qt::ToolTip);
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2008-01-03 12:35:42 +01:00
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QGridLayout *l = new QGridLayout;
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d->preview = new WindowPreview;
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2007-12-21 06:33:17 +01:00
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d->label = new QLabel;
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2008-01-10 21:25:37 +01:00
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d->label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
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2007-12-21 06:33:17 +01:00
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d->label->setWordWrap(true);
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d->imageLabel = new QLabel;
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d->imageLabel->setAlignment(Qt::AlignTop | Qt::AlignLeft);
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2008-02-07 22:24:20 +01:00
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2008-04-16 19:23:58 +02:00
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d->background = new PanelSvg("widgets/tooltip", this);
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d->background->setBorderFlags(PanelSvg::DrawAllBorders);
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2008-02-07 22:24:20 +01:00
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connect(d->background, SIGNAL(repaintNeeded()), this, SLOT(update()));
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2008-01-03 12:35:42 +01:00
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l->addWidget(d->preview, 0, 0, 1, 2);
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l->addWidget(d->imageLabel, 1, 0);
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l->addWidget(d->label, 1, 1);
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2007-12-21 06:33:17 +01:00
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setLayout(l);
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d->showTimer = new QTimer(this);
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d->showTimer->setSingleShot(true);
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d->hideTimer = new QTimer(this);
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d->hideTimer->setSingleShot(true);
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2008-02-05 19:26:17 +01:00
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connect(d->showTimer, SIGNAL(timeout()), SLOT(showToolTip()));
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connect(d->hideTimer, SIGNAL(timeout()), SLOT(resetShownState()));
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2008-04-23 20:35:03 +02:00
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connect(Plasma::Theme::self(), SIGNAL(themeChanged()), this, SLOT(themeUpdated()));
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2008-02-08 21:50:55 +01:00
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themeUpdated();
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2008-02-05 19:26:17 +01:00
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}
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ToolTip::~ToolTip()
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{
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delete d;
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2007-12-21 06:33:17 +01:00
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}
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2008-04-08 09:20:36 +02:00
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void ToolTip::setData(Plasma::Widget *widget, const Plasma::ToolTipData &data)
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{
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if (d->currentWidget && d->currentWidget == widget) {
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setData(data);
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}
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}
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2007-12-21 06:33:17 +01:00
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void ToolTip::setData(const Plasma::ToolTipData &data)
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{
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2008-02-03 17:57:00 +01:00
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//reset our size
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2008-02-05 19:26:17 +01:00
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d->label->setText("<qt><b>" + data.mainText + "</b><br>" + data.subText + "</qt>");
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2007-12-21 06:33:17 +01:00
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d->imageLabel->setPixmap(data.image);
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2008-01-03 14:59:03 +01:00
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d->windowToPreview = data.windowToPreview;
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d->preview->setWindowId( d->windowToPreview );
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2008-02-04 21:59:39 +01:00
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2008-02-05 19:26:17 +01:00
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if (isVisible()) {
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resize(sizeHint());
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if (d->currentWidget) {
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move(d->currentWidget->popupPosition(size()));
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}
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}
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2007-12-21 06:33:17 +01:00
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}
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2008-02-08 21:50:55 +01:00
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void ToolTip::themeUpdated()
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2007-12-21 06:33:17 +01:00
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{
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2008-02-08 21:50:55 +01:00
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const int topHeight = d->background->marginSize(Plasma::TopMargin);
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const int leftWidth = d->background->marginSize(Plasma::LeftMargin);
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const int rightWidth = d->background->marginSize(Plasma::RightMargin);
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const int bottomHeight = d->background->marginSize(Plasma::BottomMargin);
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setContentsMargins(leftWidth, topHeight, rightWidth, bottomHeight);
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2008-02-05 19:26:17 +01:00
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// Make the tooltip use Plasma's colorscheme
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QPalette plasmaPalette = QPalette();
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plasmaPalette.setColor(QPalette::Window, Plasma::Theme::self()->backgroundColor());
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plasmaPalette.setColor(QPalette::WindowText, Plasma::Theme::self()->textColor());
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setAutoFillBackground(true);
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setPalette(plasmaPalette);
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2007-12-21 06:33:17 +01:00
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}
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2008-01-03 12:35:42 +01:00
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// A widget which reserves area for window preview and sets hints on the toplevel
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// tooltip widget that tells KWin to render the preview in this area. This depends
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// on KWin's TaskbarThumbnail compositing effect (which is here detected).
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2008-01-07 15:58:50 +01:00
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void WindowPreview::setWindowId(WId w)
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2008-01-03 12:35:42 +01:00
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{
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2008-01-07 15:58:50 +01:00
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if (!previewsAvailable()) {
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2008-01-03 12:35:42 +01:00
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id = 0;
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return;
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}
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id = w;
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2008-02-03 14:06:34 +01:00
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readWindowSize();
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2008-01-03 12:35:42 +01:00
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}
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bool WindowPreview::previewsAvailable() const
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{
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2008-01-07 15:58:50 +01:00
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if (!KWindowSystem::compositingActive()) {
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2008-01-03 12:35:42 +01:00
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return false;
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2008-01-07 15:58:50 +01:00
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}
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2008-01-20 00:30:14 +01:00
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#ifdef Q_WS_X11
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2008-01-03 12:35:42 +01:00
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// hackish way to find out if KWin has the effect enabled,
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// TODO provide proper support
|
|
|
|
Display* dpy = QX11Info::display();
|
2008-01-07 15:58:50 +01:00
|
|
|
Atom atom = XInternAtom(dpy, "_KDE_WINDOW_PREVIEW", False);
|
2008-01-03 12:35:42 +01:00
|
|
|
int cnt;
|
2008-01-07 15:58:50 +01:00
|
|
|
Atom* list = XListProperties(dpy, DefaultRootWindow( dpy ), &cnt);
|
|
|
|
if (list != NULL) {
|
|
|
|
bool ret = ( qFind(list, list + cnt, atom) != list + cnt );
|
|
|
|
XFree(list);
|
2008-01-03 12:35:42 +01:00
|
|
|
return ret;
|
|
|
|
}
|
2008-01-20 00:30:14 +01:00
|
|
|
#endif
|
2008-01-03 12:35:42 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
QSize WindowPreview::sizeHint() const
|
|
|
|
{
|
2008-01-07 15:58:50 +01:00
|
|
|
if (id == 0) {
|
2008-01-03 12:35:42 +01:00
|
|
|
return QSize();
|
2008-01-07 15:58:50 +01:00
|
|
|
}
|
|
|
|
if (!windowSize.isValid()) {
|
2008-01-03 12:35:42 +01:00
|
|
|
readWindowSize();
|
2008-01-07 15:58:50 +01:00
|
|
|
}
|
2008-01-03 12:35:42 +01:00
|
|
|
QSize s = windowSize;
|
2008-01-07 15:58:50 +01:00
|
|
|
s.scale(200, 150, Qt::KeepAspectRatio);
|
2008-01-03 12:35:42 +01:00
|
|
|
return s;
|
|
|
|
}
|
|
|
|
|
|
|
|
void WindowPreview::readWindowSize() const
|
|
|
|
{
|
2008-01-20 00:30:14 +01:00
|
|
|
#ifdef Q_WS_X11
|
2008-01-03 12:35:42 +01:00
|
|
|
Window r;
|
|
|
|
int x, y;
|
|
|
|
unsigned int w, h, b, d;
|
2008-01-07 15:58:50 +01:00
|
|
|
if (XGetGeometry(QX11Info::display(), id, &r, &x, &y, &w, &h, &b, &d)) {
|
2008-01-03 12:35:42 +01:00
|
|
|
windowSize = QSize( w, h );
|
2008-01-07 15:58:50 +01:00
|
|
|
} else {
|
2008-01-03 12:35:42 +01:00
|
|
|
windowSize = QSize();
|
2008-01-07 15:58:50 +01:00
|
|
|
}
|
2008-01-20 00:30:14 +01:00
|
|
|
#else
|
|
|
|
windowSize = QSize();
|
|
|
|
#endif
|
2008-01-03 12:35:42 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
void WindowPreview::setInfo()
|
|
|
|
{
|
2008-01-20 00:30:14 +01:00
|
|
|
#ifdef Q_WS_X11
|
2008-01-07 15:58:50 +01:00
|
|
|
Display *dpy = QX11Info::display();
|
|
|
|
Atom atom = XInternAtom(dpy, "_KDE_WINDOW_PREVIEW", False);
|
|
|
|
if (id == 0) {
|
2008-02-26 14:00:49 +01:00
|
|
|
XDeleteProperty(dpy, parentWidget()->winId(), atom);
|
2008-01-03 12:35:42 +01:00
|
|
|
return;
|
|
|
|
}
|
2008-01-07 15:58:50 +01:00
|
|
|
if (!windowSize.isValid()) {
|
2008-01-03 12:35:42 +01:00
|
|
|
readWindowSize();
|
2008-01-07 15:58:50 +01:00
|
|
|
}
|
|
|
|
if (!windowSize.isValid()) {
|
2008-02-26 14:00:49 +01:00
|
|
|
XDeleteProperty(dpy, parentWidget()->winId(), atom);
|
2008-01-03 12:35:42 +01:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
Q_ASSERT( parentWidget()->isWindow()); // parent must be toplevel
|
|
|
|
long data[] = { 1, 5, id, x(), y(), width(), height() };
|
2008-01-07 15:58:50 +01:00
|
|
|
XChangeProperty(dpy, parentWidget()->winId(), atom, atom, 32, PropModeReplace,
|
2008-01-03 12:35:42 +01:00
|
|
|
reinterpret_cast< unsigned char* >( data ), sizeof( data ) / sizeof( data[ 0 ] ));
|
2008-01-20 00:30:14 +01:00
|
|
|
#endif
|
2008-01-03 12:35:42 +01:00
|
|
|
}
|
|
|
|
|
2008-02-17 08:47:52 +01:00
|
|
|
void ToolTip::resizeEvent(QResizeEvent *e)
|
2008-01-03 22:02:32 +01:00
|
|
|
{
|
2008-02-17 08:47:52 +01:00
|
|
|
QWidget::resizeEvent(e);
|
2008-02-07 22:24:20 +01:00
|
|
|
d->background->resize(size());
|
|
|
|
|
2008-03-05 22:03:27 +01:00
|
|
|
setMask(d->background->mask());
|
2008-01-07 16:03:14 +01:00
|
|
|
}
|
2008-01-07 05:41:30 +01:00
|
|
|
|
2008-02-07 22:24:20 +01:00
|
|
|
void ToolTip::paintEvent(QPaintEvent *e)
|
2008-01-07 16:03:14 +01:00
|
|
|
{
|
|
|
|
QPainter painter(this);
|
|
|
|
painter.setRenderHint(QPainter::Antialiasing);
|
2008-02-07 22:24:20 +01:00
|
|
|
painter.setClipRect(e->rect());
|
|
|
|
painter.setCompositionMode(QPainter::CompositionMode_Source );
|
|
|
|
painter.fillRect(rect(), Qt::transparent);
|
2008-01-07 16:03:14 +01:00
|
|
|
|
2008-02-07 22:24:20 +01:00
|
|
|
d->background->paint(&painter, rect());
|
2008-01-03 22:02:32 +01:00
|
|
|
}
|
|
|
|
|
2007-12-21 06:33:17 +01:00
|
|
|
}
|
|
|
|
#include "tooltip_p.moc"
|