896 lines
28 KiB
C++
896 lines
28 KiB
C++
/*
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* Copyright 2008 by Alessandro Diaferia <alediaferia@gmail.com>
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* Copyright 2007 by Alexis Ménard <darktears31@gmail.com>
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* Copyright 2007 Sebastian Kuegler <sebas@kde.org>
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* Copyright 2006 Aaron Seigo <aseigo@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include "dialog.h"
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#include <QPainter>
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#include <QSvgRenderer>
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#include <QResizeEvent>
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#include <QMouseEvent>
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#ifdef Q_WS_X11
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#include <QX11Info>
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#endif
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#include <QBitmap>
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#include <QTimer>
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#include <QtGui/QVBoxLayout>
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#include <QtGui/QGraphicsSceneEvent>
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#include <QtGui/QGraphicsView>
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#include <QtGui/QGraphicsWidget>
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#include <QApplication>
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#include <QDesktopWidget>
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#include <QVarLengthArray>
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#include <QGraphicsLayout>
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#include <kdebug.h>
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#include <kwindowsystem.h>
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#include <netwm.h>
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#include "plasma/applet.h"
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#include "plasma/animator.h"
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#include "plasma/containment.h"
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#include "plasma/corona.h"
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#include "plasma/extenders/extender.h"
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#include "plasma/private/extender_p.h"
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#include "plasma/framesvg.h"
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#include "plasma/theme.h"
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#include "plasma/windoweffects.h"
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#ifdef Q_WS_X11
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#include <X11/Xlib.h>
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#endif
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namespace Plasma
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{
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class DialogPrivate
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{
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public:
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DialogPrivate(Dialog *dialog)
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: q(dialog),
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background(0),
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view(0),
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resizeCorners(Dialog::NoCorner),
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resizeStartCorner(Dialog::NoCorner),
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moveTimer(0),
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aspectRatioMode(Plasma::IgnoreAspectRatio),
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resizeChecksWithBorderCheck(false)
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{
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}
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~DialogPrivate()
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{
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}
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void scheduleBorderCheck(bool triggeredByResize = false);
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void themeChanged();
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void updateMask();
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void checkBorders();
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void checkBorders(bool updateMaskIfNeeded);
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void updateResizeCorners();
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int calculateWidthForHeightAndRatio(int height, qreal ratio);
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Plasma::Applet *applet();
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void delayedAdjustSize();
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Plasma::Dialog *q;
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/**
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* Holds the background SVG, to be re-rendered when the cache is invalidated,
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* for example by resizing the dialogue.
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*/
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Plasma::FrameSvg *background;
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QGraphicsView *view;
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QWeakPointer<QGraphicsWidget> graphicsWidgetPtr;
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Dialog::ResizeCorners resizeCorners;
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QMap<Dialog::ResizeCorner, QRect> resizeAreas;
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int resizeStartCorner;
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QTimer *moveTimer;
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QTimer *adjustViewTimer;
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QTimer *adjustSizeTimer;
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QSize oldGraphicsWidgetMinimumSize;
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QSize oldGraphicsWidgetMaximumSize;
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Plasma::AspectRatioMode aspectRatioMode;
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bool resizeChecksWithBorderCheck;
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};
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void DialogPrivate::scheduleBorderCheck(bool triggeredByResize)
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{
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//kDebug();
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if (triggeredByResize) {
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resizeChecksWithBorderCheck = true;
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// to keep the UI as fluid as possible, we call checkBorders
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// immediately when there is a resize, and therefore stop any
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// move-triggered scheduled calls to it. this keeps things
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// looking reasonable during resize while avoiding as many
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// calls to checkBorders as possible
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if (moveTimer) {
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moveTimer->stop();
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}
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checkBorders();
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return;
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}
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if (!moveTimer) {
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moveTimer = new QTimer(q);
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moveTimer->setSingleShot(true);
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QObject::connect(moveTimer, SIGNAL(timeout()), q, SLOT(checkBorders()));
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}
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moveTimer->start(triggeredByResize ? 0 : 200);
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}
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void DialogPrivate::themeChanged()
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{
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checkBorders(false);
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const bool translucency = Plasma::Theme::defaultTheme()->windowTranslucencyEnabled();
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// WA_NoSystemBackground is going to fail combined with sliding popups, but is needed
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// when we aren't compositing
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q->setAttribute(Qt::WA_NoSystemBackground, !translucency);
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updateMask();
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}
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void DialogPrivate::updateMask()
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{
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const bool translucency = Plasma::Theme::defaultTheme()->windowTranslucencyEnabled();
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WindowEffects::enableBlurBehind(q->winId(), translucency,
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translucency ? background->mask() : QRegion());
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if (translucency) {
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q->clearMask();
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} else {
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q->setMask(background->mask());
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}
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}
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void DialogPrivate::checkBorders()
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{
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checkBorders(true);
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}
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Plasma::Applet *DialogPrivate::applet()
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{
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Extender *extender = qobject_cast<Extender*>(graphicsWidgetPtr.data());
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Plasma::Applet *applet = 0;
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if (extender) {
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if (!extender->d->applet) {
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return 0;
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}
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applet = extender->d->applet.data();
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} else if (graphicsWidgetPtr) {
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QObject *pw = graphicsWidgetPtr.data();
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while ((pw = pw->parent())) {
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applet = dynamic_cast<Plasma::Applet *>(pw);
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if (applet) {
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break;
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}
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}
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}
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return applet;
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}
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void DialogPrivate::delayedAdjustSize()
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{
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q->syncToGraphicsWidget();
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}
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void DialogPrivate::checkBorders(bool updateMaskIfNeeded)
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{
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if (resizeChecksWithBorderCheck) {
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background->resizeFrame(q->size());
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}
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QGraphicsWidget *graphicsWidget = graphicsWidgetPtr.data();
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const FrameSvg::EnabledBorders currentBorders = background->enabledBorders();
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FrameSvg::EnabledBorders borders = FrameSvg::AllBorders;
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Extender *extender = qobject_cast<Extender*>(graphicsWidget);
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Plasma::Applet *applet = this->applet();
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//used to remove borders at the edge of the desktop
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QDesktopWidget *desktop = QApplication::desktop();
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QRect avail = desktop->availableGeometry(desktop->screenNumber(q));
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QRect screenGeom = desktop->screenGeometry(desktop->screenNumber(q));
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QRect dialogGeom = q->geometry();
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qreal topHeight(0);
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qreal leftWidth(0);
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qreal rightWidth(0);
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qreal bottomHeight(0);
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//decide about disabling the border attached to the panel
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if (applet) {
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background->getMargins(leftWidth, topHeight, rightWidth, bottomHeight);
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switch (applet->location()) {
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case BottomEdge:
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if (applet->containment() &&
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dialogGeom.bottom() + 2 >= screenGeom.bottom() - applet->containment()->size().height() &&
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dialogGeom.width() <= applet->containment()->size().width()) {
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borders &= ~FrameSvg::BottomBorder;
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leftWidth = 0;
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rightWidth = 0;
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bottomHeight = 0;
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}
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break;
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case TopEdge:
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if (applet->containment() &&
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dialogGeom.top() <= screenGeom.top() + applet->containment()->size().height() &&
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dialogGeom.width() <= applet->containment()->size().width()) {
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borders &= ~FrameSvg::TopBorder;
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topHeight = 0;
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leftWidth = 0;
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rightWidth = 0;
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}
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break;
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case LeftEdge:
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if (applet->containment() &&
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dialogGeom.left() <= screenGeom.left() + applet->containment()->size().width() &&
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dialogGeom.height() <= applet->containment()->size().height()) {
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borders &= ~FrameSvg::LeftBorder;
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leftWidth = 0;
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rightWidth = 0;
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}
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break;
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case RightEdge:
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if (applet->containment() &&
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dialogGeom.right() + 2 >= screenGeom.right() - applet->containment()->size().width() &&
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dialogGeom.height() <= applet->containment()->size().height()) {
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borders &= ~FrameSvg::RightBorder;
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leftWidth = 0;
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rightWidth = 0;
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}
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break;
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default:
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break;
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}
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}
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//decide if to disable the other borders
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if (q->isVisible()) {
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QRect geom;
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if (applet) {
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geom = screenGeom;
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} else {
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geom = avail;
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}
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if (dialogGeom.left() <= geom.left()) {
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borders &= ~FrameSvg::LeftBorder;
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}
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if (dialogGeom.top() <= geom.top()) {
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borders &= ~FrameSvg::TopBorder;
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}
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//FIXME: that 2 pixels offset has probably something to do with kwin
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if (dialogGeom.right() + 2 > geom.right()) {
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borders &= ~FrameSvg::RightBorder;
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}
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if (dialogGeom.bottom() + 2 > geom.bottom()) {
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borders &= ~FrameSvg::BottomBorder;
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}
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}
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background->setEnabledBorders(borders);
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if (!extender) {
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background->getMargins(leftWidth, topHeight, rightWidth, bottomHeight);
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} else {
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FrameSvg::EnabledBorders disabledBorders = FrameSvg::NoBorder;
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if (!(borders & FrameSvg::LeftBorder)) {
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disabledBorders |= FrameSvg::LeftBorder;
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}
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if (!(borders & FrameSvg::RightBorder)) {
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disabledBorders |= FrameSvg::RightBorder;
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}
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extender->d->setDisabledBordersHint(disabledBorders);
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}
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//kDebug() << leftWidth << topHeight << rightWidth << bottomHeight;
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q->setContentsMargins(leftWidth, topHeight, rightWidth, bottomHeight);
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if (resizeChecksWithBorderCheck) {
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updateResizeCorners();
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updateMask();
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q->update();
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} else if (currentBorders != borders) {
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if (updateMaskIfNeeded) {
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updateMask();
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}
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q->update();
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}
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resizeChecksWithBorderCheck = false;
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}
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void Dialog::syncToGraphicsWidget()
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{
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d->adjustViewTimer->stop();
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QGraphicsWidget *graphicsWidget = d->graphicsWidgetPtr.data();
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if (d->view && graphicsWidget && d->resizeStartCorner != -1) {
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const int prevStartCorner = d->resizeStartCorner;
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d->resizeStartCorner = -1;
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QSize prevSize = size();
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/*
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kDebug() << "Widget size:" << graphicsWidget->size()
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<< "| Widget size hint:" << graphicsWidget->effectiveSizeHint(Qt::PreferredSize)
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<< "| Widget minsize hint:" << graphicsWidget->minimumSize()
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<< "| Widget maxsize hint:" << graphicsWidget->maximumSize()
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<< "| Widget bounding rect:" << graphicsWidget->sceneBoundingRect();
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*/
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//set the sizehints correctly:
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int left, top, right, bottom;
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getContentsMargins(&left, &top, &right, &bottom);
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QDesktopWidget *desktop = QApplication::desktop();
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QSize maxSize = desktop->availableGeometry(desktop->screenNumber(this)).size();
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graphicsWidget->setMaximumSize(maxSize - QSize(left + right, top + bottom).boundedTo(graphicsWidget->effectiveSizeHint(Qt::MaximumSize).toSize()));
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setMinimumSize(0, 0);
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setMaximumSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
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QSize newSize(qMin(int(graphicsWidget->size().width()) + left + right, maxSize.width()),
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qMin(int(graphicsWidget->size().height()) + top + bottom, maxSize.height()));
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QSize newMinimumSize(qMin(int(graphicsWidget->minimumSize().width()) + left + right, maxSize.width()),
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qMin(int(graphicsWidget->minimumSize().height()) + top + bottom, maxSize.height()));
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QSize newMaximumSize(qMin(int(graphicsWidget->maximumSize().width()) + left + right, maxSize.width()),
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qMin(int(graphicsWidget->maximumSize().height()) + top + bottom, maxSize.height()));
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Plasma::Applet *applet = d->applet();
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if (applet) {
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QRect currentGeometry(geometry());
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currentGeometry.setSize(newSize);
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if (applet->location() == Plasma::TopEdge ||
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applet->location() == Plasma::LeftEdge) {
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currentGeometry.setSize(newSize);
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} else if (applet->location() == Plasma::RightEdge) {
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currentGeometry.moveTopRight(geometry().topRight());
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//BottomEdge and floating
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} else {
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currentGeometry.moveBottomLeft(geometry().bottomLeft());
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}
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setGeometry(currentGeometry);
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} else {
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resize(newSize);
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}
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setMinimumSize(newMinimumSize);
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setMaximumSize(newMaximumSize);
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updateGeometry();
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//reposition and resize the view.
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//force a valid rect, otherwise it will take up the whole scene
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QRectF sceneRect(graphicsWidget->sceneBoundingRect());
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sceneRect.setWidth(qMax(qreal(1), sceneRect.width()));
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sceneRect.setHeight(qMax(qreal(1), sceneRect.height()));
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d->view->setSceneRect(sceneRect);
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//d->view->resize(graphicsWidget->size().toSize());
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d->view->centerOn(graphicsWidget);
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//if the view resized and a border is disabled move the dialog to make sure it will still look attached to panel/screen edge
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qreal topHeight;
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qreal leftWidth;
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qreal rightWidth;
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qreal bottomHeight;
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d->background->getMargins(leftWidth, topHeight, rightWidth, bottomHeight);
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if (size() != prevSize) {
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//the size of the dialog has changed, emit the signal:
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emit dialogResized();
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}
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d->resizeStartCorner = prevStartCorner;
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}
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}
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int DialogPrivate::calculateWidthForHeightAndRatio(int height, qreal ratio)
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{
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switch (aspectRatioMode) {
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case KeepAspectRatio:
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return qRound(height * ratio);
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break;
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case Square:
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return height;
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break;
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case ConstrainedSquare:
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return height;
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break;
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default:
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return -1;
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}
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}
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Dialog::Dialog(QWidget *parent, Qt::WindowFlags f)
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: QWidget(parent, f | Qt::FramelessWindowHint),
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d(new DialogPrivate(this))
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{
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setAttribute(Qt::WA_TranslucentBackground);
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d->background = new FrameSvg(this);
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d->background->setImagePath("dialogs/background");
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d->background->setEnabledBorders(FrameSvg::AllBorders);
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d->background->resizeFrame(size());
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QPalette pal = palette();
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pal.setColor(backgroundRole(), Qt::transparent);
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setPalette(pal);
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WindowEffects::overrideShadow(winId(), true);
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d->adjustViewTimer = new QTimer(this);
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d->adjustViewTimer->setSingleShot(true);
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connect(d->adjustViewTimer, SIGNAL(timeout()), this, SLOT(syncToGraphicsWidget()));
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d->adjustSizeTimer = new QTimer(this);
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d->adjustSizeTimer->setSingleShot(true);
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connect(d->adjustSizeTimer, SIGNAL(timeout()), this, SLOT(delayedAdjustSize()));
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connect(d->background, SIGNAL(repaintNeeded()), this, SLOT(update()));
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connect(Plasma::Theme::defaultTheme(), SIGNAL(themeChanged()), this, SLOT(themeChanged()));
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d->themeChanged();
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setMouseTracking(true);
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}
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Dialog::~Dialog()
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{
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delete d;
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}
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void Dialog::paintEvent(QPaintEvent *e)
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{
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QPainter p(this);
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p.setCompositionMode(QPainter::CompositionMode_Source);
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d->background->paintFrame(&p, e->rect(), e->rect());
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}
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void Dialog::mouseMoveEvent(QMouseEvent *event)
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{
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if (event->modifiers() == Qt::AltModifier) {
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unsetCursor();
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} else if (d->resizeAreas[Dialog::NorthEast].contains(event->pos())) {
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setCursor(Qt::SizeBDiagCursor);
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} else if (d->resizeAreas[Dialog::NorthWest].contains(event->pos())) {
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setCursor(Qt::SizeFDiagCursor);
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} else if (d->resizeAreas[Dialog::SouthEast].contains(event->pos())) {
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setCursor(Qt::SizeFDiagCursor);
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} else if (d->resizeAreas[Dialog::SouthWest].contains(event->pos())) {
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setCursor(Qt::SizeBDiagCursor);
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} else if (!(event->buttons() & Qt::LeftButton)) {
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unsetCursor();
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}
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// here we take care of resize..
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if (d->resizeStartCorner != Dialog::NoCorner) {
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int newWidth;
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int newHeight;
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QPoint position;
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qreal aspectRatio = (qreal)width() / (qreal)height();
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switch(d->resizeStartCorner) {
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case Dialog::NorthEast:
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newHeight = qMin(maximumHeight(), qMax(minimumHeight(), height() - event->y()));
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newWidth = d->calculateWidthForHeightAndRatio(newHeight, aspectRatio);
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if (newWidth == -1) {
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newWidth = qMin(maximumWidth(), qMax(minimumWidth(), event->x()));
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}
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position = QPoint(x(), y() + height() - newHeight);
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break;
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case Dialog::NorthWest:
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newHeight = qMin(maximumHeight(), qMax(minimumHeight(), height() - event->y()));
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newWidth = d->calculateWidthForHeightAndRatio(newHeight, aspectRatio);
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if (newWidth == -1) {
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newWidth = qMin(maximumWidth(), qMax(minimumWidth(), width() - event->x()));
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}
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position = QPoint(x() + width() - newWidth, y() + height() - newHeight);
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break;
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case Dialog::SouthWest:
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newHeight = qMin(maximumHeight(), qMax(minimumHeight(), event->y()));
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newWidth = d->calculateWidthForHeightAndRatio(newHeight, aspectRatio);
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if (newWidth == -1) {
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newWidth = qMin(maximumWidth(), qMax(minimumWidth(), width() - event->x()));
|
||
}
|
||
position = QPoint(x() + width() - newWidth, y());
|
||
break;
|
||
case Dialog::SouthEast:
|
||
newHeight = qMin(maximumHeight(), qMax(minimumHeight(), event->y()));
|
||
newWidth = d->calculateWidthForHeightAndRatio(newHeight, aspectRatio);
|
||
if (newWidth == -1) {
|
||
newWidth = qMin(maximumWidth(), qMax(minimumWidth(), event->x()));
|
||
}
|
||
position = QPoint(x(), y());
|
||
break;
|
||
default:
|
||
newHeight = qMin(maximumHeight(), qMax(minimumHeight(), height()));
|
||
newWidth = d->calculateWidthForHeightAndRatio(newHeight, aspectRatio);
|
||
if (newWidth == -1) {
|
||
newWidth = qMin(maximumWidth(), qMax(minimumWidth(), width()));
|
||
}
|
||
position = QPoint(x(), y());
|
||
break;
|
||
}
|
||
|
||
if ((newWidth >= minimumSize().width()) && (newHeight >= minimumSize().height())) {
|
||
setGeometry(QRect(position, QSize(newWidth, newHeight)));
|
||
}
|
||
}
|
||
|
||
QWidget::mouseMoveEvent(event);
|
||
}
|
||
|
||
void Dialog::mousePressEvent(QMouseEvent *event)
|
||
{
|
||
if (d->resizeAreas[Dialog::NorthEast].contains(event->pos())) {
|
||
d->resizeStartCorner = Dialog::NorthEast;
|
||
} else if (d->resizeAreas[Dialog::NorthWest].contains(event->pos())) {
|
||
d->resizeStartCorner = Dialog::NorthWest;
|
||
} else if (d->resizeAreas[Dialog::SouthEast].contains(event->pos())) {
|
||
d->resizeStartCorner = Dialog::SouthEast;
|
||
} else if (d->resizeAreas[Dialog::SouthWest].contains(event->pos())) {
|
||
d->resizeStartCorner = Dialog::SouthWest;
|
||
} else {
|
||
d->resizeStartCorner = Dialog::NoCorner;
|
||
}
|
||
|
||
QWidget::mousePressEvent(event);
|
||
}
|
||
|
||
void Dialog::mouseReleaseEvent(QMouseEvent *event)
|
||
{
|
||
if (d->resizeStartCorner != Dialog::NoCorner) {
|
||
d->resizeStartCorner = Dialog::NoCorner;
|
||
unsetCursor();
|
||
emit dialogResized();
|
||
}
|
||
|
||
QWidget::mouseReleaseEvent(event);
|
||
}
|
||
|
||
void Dialog::keyPressEvent(QKeyEvent *event)
|
||
{
|
||
if (event->key() == Qt::Key_Escape) {
|
||
hide();
|
||
}
|
||
}
|
||
|
||
bool Dialog::event(QEvent *event)
|
||
{
|
||
if (event->type() == QEvent::Paint) {
|
||
QPainter p(this);
|
||
p.setCompositionMode(QPainter::CompositionMode_Source);
|
||
p.fillRect(rect(), Qt::transparent);
|
||
}
|
||
|
||
return QWidget::event(event);
|
||
}
|
||
|
||
void Dialog::resizeEvent(QResizeEvent *event)
|
||
{
|
||
Q_UNUSED(event)
|
||
//kDebug();
|
||
d->scheduleBorderCheck(true);
|
||
|
||
if (d->resizeStartCorner != -1 && d->view && d->graphicsWidgetPtr) {
|
||
QGraphicsWidget *graphicsWidget = d->graphicsWidgetPtr.data();
|
||
graphicsWidget->resize(d->view->size());
|
||
|
||
QRectF sceneRect(graphicsWidget->sceneBoundingRect());
|
||
sceneRect.setWidth(qMax(qreal(1), sceneRect.width()));
|
||
sceneRect.setHeight(qMax(qreal(1), sceneRect.height()));
|
||
d->view->setSceneRect(sceneRect);
|
||
d->view->centerOn(graphicsWidget);
|
||
}
|
||
}
|
||
|
||
void DialogPrivate::updateResizeCorners()
|
||
{
|
||
const int resizeAreaMargin = 20;
|
||
const QRect r = q->rect();
|
||
const FrameSvg::EnabledBorders borders = background->enabledBorders();
|
||
|
||
// IMPLEMENTATION NOTE: we set resize corners for the corners set, but also
|
||
// for the complimentary corners if we've cut out an edge of our SVG background
|
||
// which implies we are up against an immovable edge (e.g. a screen edge)
|
||
|
||
resizeAreas.clear();
|
||
if (resizeCorners & Dialog::NorthEast ||
|
||
(resizeCorners & Dialog::NorthWest && !(borders & FrameSvg::LeftBorder)) ||
|
||
(resizeCorners & Dialog::SouthEast && !(borders & FrameSvg::BottomBorder))) {
|
||
resizeAreas[Dialog::NorthEast] = QRect(r.right() - resizeAreaMargin, 0,
|
||
resizeAreaMargin, resizeAreaMargin);
|
||
}
|
||
|
||
if (resizeCorners & Dialog::NorthWest ||
|
||
(resizeCorners & Dialog::NorthEast && !(borders & FrameSvg::RightBorder)) ||
|
||
(resizeCorners & Dialog::SouthWest && !(borders & FrameSvg::BottomBorder))) {
|
||
resizeAreas[Dialog::NorthWest] = QRect(0, 0, resizeAreaMargin, resizeAreaMargin);
|
||
}
|
||
|
||
if (resizeCorners & Dialog::SouthEast ||
|
||
(resizeCorners & Dialog::SouthWest && !(borders & FrameSvg::LeftBorder)) ||
|
||
(resizeCorners & Dialog::NorthEast && !(borders & FrameSvg::TopBorder))) {
|
||
resizeAreas[Dialog::SouthEast] = QRect(r.right() - resizeAreaMargin,
|
||
r.bottom() - resizeAreaMargin,
|
||
resizeAreaMargin, resizeAreaMargin);
|
||
}
|
||
|
||
if (resizeCorners & Dialog::SouthWest ||
|
||
(resizeCorners & Dialog::SouthEast && !(borders & FrameSvg::RightBorder)) ||
|
||
(resizeCorners & Dialog::NorthWest && !(borders & FrameSvg::TopBorder))) {
|
||
resizeAreas[Dialog::SouthWest] = QRect(0, r.bottom() - resizeAreaMargin,
|
||
resizeAreaMargin, resizeAreaMargin);
|
||
}
|
||
}
|
||
|
||
void Dialog::setGraphicsWidget(QGraphicsWidget *widget)
|
||
{
|
||
if (d->graphicsWidgetPtr) {
|
||
d->graphicsWidgetPtr.data()->removeEventFilter(this);
|
||
}
|
||
|
||
d->graphicsWidgetPtr = widget;
|
||
|
||
if (widget) {
|
||
Plasma::Corona *c = qobject_cast<Plasma::Corona *>(widget->scene());
|
||
if (c) {
|
||
c->addOffscreenWidget(widget);
|
||
}
|
||
|
||
if (!layout()) {
|
||
QVBoxLayout *lay = new QVBoxLayout(this);
|
||
lay->setMargin(0);
|
||
lay->setSpacing(0);
|
||
}
|
||
|
||
d->checkBorders();
|
||
|
||
if (!d->view) {
|
||
d->view = new QGraphicsView(this);
|
||
d->view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
|
||
d->view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
|
||
d->view->setFrameShape(QFrame::NoFrame);
|
||
d->view->viewport()->setAutoFillBackground(false);
|
||
layout()->addWidget(d->view);
|
||
}
|
||
|
||
d->view->setScene(widget->scene());
|
||
|
||
//try to have the proper size -before- showing the dialog
|
||
d->view->centerOn(widget);
|
||
if (widget->layout()) {
|
||
widget->layout()->activate();
|
||
}
|
||
static_cast<QGraphicsLayoutItem *>(widget)->updateGeometry();
|
||
widget->resize(widget->size().expandedTo(widget->effectiveSizeHint(Qt::MinimumSize)));
|
||
|
||
syncToGraphicsWidget();
|
||
|
||
//d->adjustSizeTimer->start(150);
|
||
|
||
widget->installEventFilter(this);
|
||
d->view->installEventFilter(this);
|
||
} else {
|
||
delete d->view;
|
||
d->view = 0;
|
||
}
|
||
}
|
||
|
||
//KDE5 FIXME: should be const
|
||
QGraphicsWidget *Dialog::graphicsWidget()
|
||
{
|
||
return d->graphicsWidgetPtr.data();
|
||
}
|
||
|
||
bool Dialog::eventFilter(QObject *watched, QEvent *event)
|
||
{
|
||
if (d->resizeStartCorner == Dialog::NoCorner && watched == d->graphicsWidgetPtr.data() &&
|
||
(event->type() == QEvent::GraphicsSceneResize || event->type() == QEvent::GraphicsSceneMove)) {
|
||
d->adjustViewTimer->start(150);
|
||
}
|
||
|
||
// when moving the cursor with a 45<34> angle from the outside
|
||
// to the inside passing over a resize angle the cursor changes its
|
||
// shape to a resize cursor. As a side effect this is the only case
|
||
// when the cursor immediately enters the view without giving
|
||
// the dialog the chance to restore the original cursor shape.
|
||
if (event->type() == QEvent::Enter && watched == d->view) {
|
||
unsetCursor();
|
||
}
|
||
|
||
return QWidget::eventFilter(watched, event);
|
||
}
|
||
|
||
void Dialog::hideEvent(QHideEvent * event)
|
||
{
|
||
Q_UNUSED(event);
|
||
emit dialogVisible(false);
|
||
}
|
||
|
||
void Dialog::showEvent(QShowEvent * event)
|
||
{
|
||
Q_UNUSED(event);
|
||
|
||
//check if the widget size is still synced with the view
|
||
d->checkBorders();
|
||
d->updateResizeCorners();
|
||
|
||
QGraphicsWidget *graphicsWidget = d->graphicsWidgetPtr.data();
|
||
if (graphicsWidget &&
|
||
((d->view && graphicsWidget->size().toSize() != d->view->size()) ||
|
||
d->oldGraphicsWidgetMinimumSize != graphicsWidget->minimumSize() ||
|
||
d->oldGraphicsWidgetMaximumSize != graphicsWidget->maximumSize())) {
|
||
//here have to be done immediately, ideally should have to be done -before- shwing, but is not possible to catch show() so early
|
||
syncToGraphicsWidget();
|
||
d->oldGraphicsWidgetMinimumSize = graphicsWidget->minimumSize().toSize();
|
||
d->oldGraphicsWidgetMaximumSize = graphicsWidget->maximumSize().toSize();
|
||
}
|
||
|
||
if (d->view) {
|
||
d->view->setFocus();
|
||
}
|
||
|
||
if (graphicsWidget) {
|
||
graphicsWidget->setFocus();
|
||
}
|
||
|
||
emit dialogVisible(true);
|
||
WindowEffects::overrideShadow(winId(), true);
|
||
}
|
||
|
||
void Dialog::focusInEvent(QFocusEvent *event)
|
||
{
|
||
Q_UNUSED(event)
|
||
|
||
if (d->view) {
|
||
d->view->setFocus();
|
||
}
|
||
|
||
QGraphicsWidget *graphicsWidget = d->graphicsWidgetPtr.data();
|
||
if (graphicsWidget) {
|
||
graphicsWidget->setFocus();
|
||
}
|
||
}
|
||
|
||
void Dialog::moveEvent(QMoveEvent *event)
|
||
{
|
||
Q_UNUSED(event)
|
||
//kDebug();
|
||
d->scheduleBorderCheck();
|
||
}
|
||
|
||
void Dialog::setResizeHandleCorners(ResizeCorners corners)
|
||
{
|
||
if ((d->resizeCorners != corners) && (aspectRatioMode() != FixedSize)) {
|
||
d->resizeCorners = corners;
|
||
d->updateResizeCorners();
|
||
}
|
||
}
|
||
|
||
Dialog::ResizeCorners Dialog::resizeCorners() const
|
||
{
|
||
return d->resizeCorners;
|
||
}
|
||
|
||
void Dialog::animatedHide(Plasma::Direction direction)
|
||
{
|
||
if (!KWindowSystem::compositingActive()) {
|
||
hide();
|
||
return;
|
||
}
|
||
|
||
Location location = Desktop;
|
||
switch (direction) {
|
||
case Down:
|
||
location = BottomEdge;
|
||
break;
|
||
case Right:
|
||
location = RightEdge;
|
||
break;
|
||
case Left:
|
||
location = LeftEdge;
|
||
break;
|
||
case Up:
|
||
location = TopEdge;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
Plasma::WindowEffects::slideWindow(this, location);
|
||
hide();
|
||
}
|
||
|
||
void Dialog::animatedShow(Plasma::Direction direction)
|
||
{
|
||
if (!KWindowSystem::compositingActive()) {
|
||
show();
|
||
return;
|
||
}
|
||
|
||
//copied to not add new api
|
||
Location location = Desktop;
|
||
switch (direction) {
|
||
case Up:
|
||
location = BottomEdge;
|
||
break;
|
||
case Left:
|
||
location = RightEdge;
|
||
break;
|
||
case Right:
|
||
location = LeftEdge;
|
||
break;
|
||
case Down:
|
||
location = TopEdge;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
if (KWindowSystem::compositingActive()) {
|
||
Plasma::WindowEffects::slideWindow(this, location);
|
||
}
|
||
|
||
show();
|
||
}
|
||
|
||
bool Dialog::inControlArea(const QPoint &point)
|
||
{
|
||
foreach (const QRect &r, d->resizeAreas) {
|
||
if (r.contains(point)) {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
Plasma::AspectRatioMode Dialog::aspectRatioMode() const
|
||
{
|
||
return d->aspectRatioMode;
|
||
}
|
||
|
||
void Dialog::setAspectRatioMode(Plasma::AspectRatioMode mode)
|
||
{
|
||
if (mode == FixedSize) {
|
||
setResizeHandleCorners(NoCorner);
|
||
}
|
||
|
||
d->aspectRatioMode = mode;
|
||
}
|
||
|
||
}
|
||
#include "dialog.moc"
|