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/*
Copyright 2010 Will Stephenson <wstephenson@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License or (at your option) version 3 or any later version
accepted by the membership of KDE e.V. (or its successor approved
by the membership of KDE e.V.), which shall act as a proxy
defined in Section 14 of version 3 of the license.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "desktopwidgetscreens.h"
#include <QDesktopWidget>
#include <QApplication>
#include <KDebug>
#include "simplescreen.h"
Kephal::DesktopWidgetScreens::DesktopWidgetScreens(QObject * parent)
: Screens(parent)
{
QDesktopWidget * desktop = QApplication::desktop();
connect(desktop, SIGNAL(screenCountChanged(int)), this, SLOT(handleScreenCountChanged(int)));
connect(desktop, SIGNAL(resized(int)), this, SLOT(handleScreenResized(int)));
for (int i = 0; i < desktop->numScreens(); i++) {
QRect geometry = desktop->screenGeometry(i);
Kephal::SimpleScreen * screen =
new Kephal::SimpleScreen(i, geometry.size(), geometry.topLeft(), false, this);
m_screens.append(screen);
}
}
Kephal::DesktopWidgetScreens::~DesktopWidgetScreens()
{
foreach (Kephal::SimpleScreen * screen, m_screens) {
int id = screen->id();
delete screen;
emit screenRemoved(id);
}
}
QList<Kephal::Screen*> Kephal::DesktopWidgetScreens::screens()
{
QList<Kephal::Screen*> list;
foreach (Kephal::SimpleScreen * screen, m_screens) {
list.append(screen);
}
return list;
}
void Kephal::DesktopWidgetScreens::handleScreenResized(int id)
{
Kephal::SimpleScreen * screen = m_screens.value(id);
QSize oldSize = screen->size();
QPoint oldPosition = screen->position();
//FIXME: find a better way to restrict changing Screen to Screens - friend modifier class?
screen->_setGeom(QApplication::desktop()->screenGeometry(id));
if (oldSize != screen->size()) {
emit screenResized(screen, oldSize, screen->size());
}
if (oldPosition != screen->position()) {
emit screenMoved(screen, oldPosition, screen->position());
}
}
void Kephal::DesktopWidgetScreens::handleScreenCountChanged(int newCount)
{
// add new Screens
for (int i = m_screens.count(); i < newCount; i++) {
QRect geometry = QApplication::desktop()->screenGeometry(i);
Kephal::SimpleScreen * screen =
new Kephal::SimpleScreen(i, geometry.size(), geometry.topLeft(), false, this);
m_screens.append(screen);
emit screenAdded(screen);
}
// remove no longer existing Screens
while (m_screens.count() > newCount) {
Kephal::SimpleScreen * screen = m_screens.takeLast();
if (screen) {
int id = screen->id();
delete screen;
emit screenRemoved(id);
}
}
}
// vim: sw=4 sts=4 et tw=100
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