189 lines
5.5 KiB
C++
189 lines
5.5 KiB
C++
/*
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* Copyright 2008 Aaron Seigo <aseigo@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU 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 "desktopcorona.h"
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#include <QApplication>
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#include <QDebug>
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#include <QDesktopWidget>
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#include "view.h"
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static const QString s_panelTemplatesPath("plasma-layout-templates/panels/*");
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DesktopCorona::DesktopCorona(QObject *parent)
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: Plasma::Corona(parent),
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m_desktopWidget(QApplication::desktop())
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{
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connect(m_desktopWidget, SIGNAL(resized(int)),
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this, SLOT(screenResized(int)));
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connect(m_desktopWidget, SIGNAL(screenCountChanged(int)),
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this, SLOT(screenCountChanged(int)));
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connect(m_desktopWidget, SIGNAL(workAreaResized(int)),
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this, SLOT(workAreaResized(int)));
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checkViews();
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}
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DesktopCorona::~DesktopCorona()
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{
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}
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void DesktopCorona::loadDefaultLayout()
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{
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Plasma::Containment *cont = addContainment("desktop");
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Plasma::Applet *appl = cont->addApplet("foo");
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qDebug() << "Containment:" << cont->name() << "Applet:" << appl->name() << appl;
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}
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void DesktopCorona::checkScreens(bool signalWhenExists)
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{
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// quick sanity check to ensure we have containments for each screen
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int num = numScreens();
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for (int i = 0; i < num; ++i) {
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checkScreen(i, signalWhenExists);
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}
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}
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void DesktopCorona::checkScreen(int screen, bool signalWhenExists)
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{
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// signalWhenExists is there to allow PlasmaApp to know when to create views
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// it does this only on containment addition, but in the case of a screen being
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// added and the containment already existing for that screen, no signal is emitted
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// and so PlasmaApp does not know that it needs to create a view for it. to avoid
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// taking care of that case in PlasmaApp (which would duplicate some of the code below,
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// DesktopCorona will, when signalWhenExists is true, emit a containmentAdded signal
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// even if the containment actually existed prior to this method being called.
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//
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//note: hte signal actually triggers view creation only for panels, atm.
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//desktop views are created in response to containment's screenChanged signal instead, which is
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//buggy (sometimes the containment thinks it's already on the screen, so no view is created)
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//TODO: restore activities
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//Activity *currentActivity = activity(m_activityController->currentActivity());
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//ensure the desktop(s) have a containment and view
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checkDesktop(/*currentActivity,*/ signalWhenExists, screen, 0);
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//ensure the panels get views too
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if (signalWhenExists) {
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foreach (Plasma::Containment * c, containments()) {
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if (c->screen() != screen) {
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continue;
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}
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Plasma::Containment::Type t = c->containmentType();
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if (t == Plasma::Containment::PanelContainment ||
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t == Plasma::Containment::CustomPanelContainment) {
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emit containmentAdded(c);
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}
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}
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}
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}
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void DesktopCorona::checkDesktop(/*Activity *activity,*/ bool signalWhenExists, int screen, int desktop)
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{
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Plasma::Containment *c = /*activity->*/containmentForScreen(screen, desktop);
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//TODO: remove following when activities are restored
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if (!c) {
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c = addContainment("desktop");
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}
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if (!c) {
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return;
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}
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c->setScreen(screen, desktop);
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c->flushPendingConstraintsEvents();
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requestConfigSync();
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if (signalWhenExists) {
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emit containmentAdded(c);
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}
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}
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int DesktopCorona::numScreens() const
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{
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return m_desktopWidget->screenCount();
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}
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QRect DesktopCorona::screenGeometry(int id) const
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{
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return m_desktopWidget->screenGeometry(id);
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}
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QRegion DesktopCorona::availableScreenRegion(int id) const
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{
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return m_desktopWidget->availableGeometry(id);
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}
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QRect DesktopCorona::availableScreenRect(int id) const
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{
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return m_desktopWidget->availableGeometry(id);
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}
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///// SLOTS
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void DesktopCorona::screenCountChanged(int newCount)
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{
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qDebug() << "New screen count" << newCount;
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checkViews();
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}
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void DesktopCorona::screenResized(int screen)
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{
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qDebug() << "Screen resized" << screen;
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}
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void DesktopCorona::workAreaResized(int screen)
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{
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qDebug() << "Work area resized" << screen;
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}
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void DesktopCorona::checkViews()
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{
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if (m_views.count() == m_desktopWidget->screenCount()) {
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return;
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} else if (m_views.count() < m_desktopWidget->screenCount()) {
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for (int i = m_views.count(); i < m_desktopWidget->screenCount(); ++i) {
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View *view = new View;
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m_views << view;
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}
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} else {
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for (int i = m_desktopWidget->screenCount(); i < m_views.count(); ++i) {
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View *view = m_views.last();
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view->deleteLater();
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m_views.pop_back();
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}
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}
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//check every containment is in proper view
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for (int i = 0; i < m_desktopWidget->screenCount(); ++i) {
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}
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}
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#include "desktopcorona.moc"
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