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ThirdParty-6/ParaView-5.0.1/Qt/Core/pqSettings.cxx

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/*=========================================================================
Program: ParaView
Module: pqSettings.cxx
Copyright (c) 2005-2008 Sandia Corporation, Kitware Inc.
All rights reserved.
ParaView is a free software; you can redistribute it and/or modify it
under the terms of the ParaView license version 1.2.
See License_v1.2.txt for the full ParaView license.
A copy of this license can be obtained by contacting
Kitware Inc.
28 Corporate Drive
Clifton Park, NY 12065
USA
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=========================================================================*/
#include <pqSettings.h>
#include <QDesktopWidget>
#include <QDialog>
#include <QDockWidget>
#include <QFile>
#include <QMainWindow>
namespace
{
class pqSettingsCleaner : public QObject
{
QString Filename;
public:
pqSettingsCleaner(const QString& filename, QObject* parentObject):
QObject(parentObject), Filename(filename)
{
}
virtual ~pqSettingsCleaner()
{
QFile::remove(this->Filename);
}
};
}
//-----------------------------------------------------------------------------
pqSettings::pqSettings(
const QString& organization,
const QString& application,
QObject* p) :
QSettings(QSettings::IniFormat, QSettings::UserScope, organization, application, p)
{
}
//-----------------------------------------------------------------------------
pqSettings::pqSettings(const QString& filename, bool temporary, QObject* parentObject)
: QSettings(filename, QSettings::IniFormat, parentObject)
{
if (temporary)
{
new pqSettingsCleaner(filename, this);
}
}
//-----------------------------------------------------------------------------
pqSettings::pqSettings(const QString& fname, Format fmt, QObject* parentObject)
: Superclass(fname, fmt, parentObject)
{
}
//-----------------------------------------------------------------------------
void pqSettings::alertSettingsModified()
{
emit this->modified();
}
//-----------------------------------------------------------------------------
void pqSettings::saveState(const QMainWindow& window, const QString& key)
{
this->beginGroup(key);
this->setValue("Position", window.pos());
this->setValue("Size", window.size());
this->setValue("Layout", window.saveState());
this->endGroup();
}
//-----------------------------------------------------------------------------
void pqSettings::saveState(const QDialog& dialog, const QString& key)
{
this->beginGroup(key);
this->setValue("Position", dialog.pos());
this->setValue("Size", dialog.size());
this->endGroup();
}
//-----------------------------------------------------------------------------
void pqSettings::restoreState(const QString& key, QMainWindow& window)
{
this->beginGroup(key);
if(this->contains("Size"))
{
window.resize(this->value("Size").toSize());
}
if(this->contains("Position"))
{
QPoint windowTopLeft = this->value("Position").toPoint();
QRect mwRect(windowTopLeft, window.size());
QDesktopWidget desktop;
QRect desktopRect = desktop.availableGeometry( desktop.primaryScreen() );
// try moving it to keep size
if(!desktopRect.contains(mwRect))
{
mwRect = QRect(desktopRect.topLeft(), window.size());
}
// still doesn't fit, resize it
if(!desktopRect.contains(mwRect))
{
mwRect = QRect(desktopRect.topLeft(), window.size());
window.resize(desktopRect.size());
}
window.move(mwRect.topLeft());
}
if(this->contains("Layout"))
{
window.restoreState(this->value("Layout").toByteArray());
QList<QDockWidget*> dockWidgets = window.findChildren<QDockWidget*>();
foreach(QDockWidget* dock_widget, dockWidgets)
{
if (dock_widget->isFloating() == true )
{
sanityCheckDock(dock_widget);
}
}
}
this->endGroup();
}
//-----------------------------------------------------------------------------
void pqSettings::restoreState(const QString& key, QDialog& dialog)
{
this->beginGroup(key);
if(this->contains("Size"))
{
dialog.resize(this->value("Size").toSize());
}
if(this->contains("Position"))
{
dialog.move(this->value("Position").toPoint());
}
this->endGroup();
}
//-----------------------------------------------------------------------------
void pqSettings::sanityCheckDock(QDockWidget* dock_widget)
{
QDesktopWidget desktop;
int screen = -1;
if (NULL == dock_widget)
{
return;
}
QPoint dockTopLeft = dock_widget->pos();
QRect dockRect(dockTopLeft, dock_widget->size());
QRect geometry = QRect(dockTopLeft, dock_widget->frameSize());
int titleBarHeight = geometry.height() - dockRect.height();
screen = desktop.screenNumber(dock_widget);
if (screen == -1) // Dock is at least partially on a screen
{
screen = desktop.screenNumber(dockTopLeft);
}
QRect screenRect = desktop.availableGeometry(screen);
QRect desktopRect = desktop.availableGeometry(); // SHould give us the entire Desktop geometry
// Ensure the top left corner of the window is on the screen
if (!screenRect.contains(dockTopLeft))
{
// Are we High?
if (dockTopLeft.y() < screenRect.y()) {
dock_widget->move(dockRect.x(), screenRect.y());
dockTopLeft = dock_widget->pos();
dockRect = QRect(dockTopLeft, dock_widget->frameSize());
}
// Are we low
if (dockTopLeft.y() > screenRect.y() + screenRect.height()) {
dock_widget->move(dockRect.x(), screenRect.y() + screenRect.height() - 20);
dockTopLeft = dock_widget->pos();
dockRect = QRect(dockTopLeft, dock_widget->frameSize());
}
// Are we left
if (dockTopLeft.x() < screenRect.x()) {
dock_widget->move(screenRect.x(), dockRect.y());
dockTopLeft = dock_widget->pos();
dockRect = QRect(dockTopLeft, dock_widget->frameSize());
}
// Are we right
if (dockTopLeft.x() > screenRect.x() + screenRect.width()) {
dock_widget->move(screenRect.x() + screenRect.width() - dockRect.width(), dockRect.y());
dockTopLeft = dock_widget->pos();
dockRect = QRect(dockTopLeft, dock_widget->frameSize());
}
dockTopLeft = dock_widget->pos();
dockRect = QRect(dockTopLeft, dock_widget->frameSize());
}
if ( !desktopRect.contains(dockRect))
{
//Are we too wide
if (dockRect.x() + dockRect.width() > screenRect.x() + screenRect.width())
{
if (screenRect.x() + screenRect.width() - dockRect.width() > screenRect.x() )
{
// Move dock side to side
dockRect.setX(screenRect.x() + screenRect.width() - dockRect.width() );
dock_widget->move(dockRect.x(), dockRect.y());
dockTopLeft = dock_widget->pos();
dockRect = QRect(dockTopLeft, dock_widget->frameSize());
}
else
{
// Move dock side to side + resize to fit
dockRect.setX(screenRect.x() + screenRect.width() - dockRect.width() );
dockRect.setWidth(screenRect.width());
dock_widget->resize(dockRect.width(), dockRect.height());
dock_widget->move(dockRect.x(), dockRect.y());
dockTopLeft = dock_widget->pos();
dockRect = QRect(dockTopLeft, dock_widget->frameSize());
}
}
dockTopLeft = dock_widget->pos();
dockRect = QRect(dockTopLeft, dock_widget->frameSize());
// Are we too Tall
if (dockRect.y() + dockRect.height() > screenRect.y() + screenRect.height())
{
// See if we can move it more on screen so that the entire dock is on screen
if (screenRect.y() + screenRect.height() - dockRect.height() > screenRect.y() )
{
// Move dock up
dockRect.setY(screenRect.y() + screenRect.height() - dockRect.height() );
dock_widget->move(dockRect.x(), dockRect.y());
dockTopLeft = dock_widget->pos();
dockRect = QRect(dockTopLeft, dock_widget->frameSize());
}
else
{
// Move dock up + resize to fit
dock_widget->resize(dockRect.width(), screenRect.height() - titleBarHeight);
dock_widget->move(dockRect.x(), screenRect.y());
dockTopLeft = dock_widget->pos();
dockRect = QRect(dockTopLeft, dock_widget->frameSize());
}
}
}
}