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/*
* This file is part of unity-2d
*
* Copyright 2010 Canonical Ltd.
*
* Authors:
* - Olivier Tilloy <olivier.tilloy@canonical.com>
*
* 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; version 3.
*
* 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/>
*/
// Self
#include "panelmanager.h"
// Local
#include <config.h>
// Applets
#include <appindicator/appindicatorapplet.h>
#include <appname/appnameapplet.h>
#include <homebutton/homebuttonapplet.h>
#include <indicator/indicatorapplet.h>
#include <legacytray/legacytrayapplet.h>
// Unity
#include <unity2dpanel.h>
// Qt
#include <QApplication>
#include <QDesktopWidget>
#include <QLabel>
using namespace Unity2d;
static QPalette getPalette()
{
QPalette palette;
/* Should use the panel's background provided by Unity but it turns
out not to be good. It would look like:
QBrush bg(QPixmap("theme:/panel_background.png"));
*/
QBrush bg(QPixmap(unity2dDirectory() + "/panel/artwork/background.png"));
palette.setBrush(QPalette::Window, bg);
palette.setBrush(QPalette::Button, bg);
palette.setColor(QPalette::WindowText, Qt::white);
palette.setColor(QPalette::ButtonText, Qt::white);
return palette;
}
static QLabel* createSeparator()
{
QLabel* label = new QLabel;
QPixmap pix(unity2dDirectory() + "/panel/artwork/divider.png");
label->setPixmap(pix);
label->setFixedSize(pix.size());
return label;
}
static Unity2dPanel* instantiatePanel(int screen)
{
Unity2dPanel* panel = new Unity2dPanel;
panel->setEdge(Unity2dPanel::TopEdge);
panel->setPalette(getPalette());
panel->setFixedHeight(24);
int primary = QApplication::desktop()->primaryScreen();
if (screen == primary) {
panel->addWidget(new HomeButtonApplet);
panel->addWidget(createSeparator());
}
panel->addWidget(new AppNameApplet);
if (screen == primary) {
/* It doesn’t make sense to have more than one instance of the systray,
XEmbed’ed windows can be displayed only once anyway. */
panel->addWidget(new LegacyTrayApplet);
}
panel->addWidget(new IndicatorApplet);
return panel;
}
PanelManager::PanelManager(QObject* parent)
: QObject(parent)
{
QDesktopWidget* desktop = QApplication::desktop();
for(int i = 0; i < desktop->screenCount(); ++i) {
Unity2dPanel* panel = instantiatePanel(i);
m_panels.append(panel);
panel->show();
panel->move(desktop->screenGeometry(i).topLeft());
}
connect(desktop, SIGNAL(screenCountChanged(int)), SLOT(onScreenCountChanged(int)));
}
PanelManager::~PanelManager()
{
qDeleteAll(m_panels);
}
void
PanelManager::onScreenCountChanged(int newCount)
{
QDesktopWidget* desktop = QApplication::desktop();
int size = m_panels.size();
/* Update the position of existing panels, and instantiate new panels. */
for (int i = 0; i < newCount; ++i) {
Unity2dPanel* panel;
if (i < size) {
panel = m_panels[i];
} else {
panel = instantiatePanel(i);
m_panels.append(panel);
}
panel->show();
panel->move(desktop->screenGeometry(i).topLeft());
}
/* Remove extra panels if any. */
while (m_panels.size() > newCount) {
delete m_panels.takeLast();
}
}
#include "panelmanager.moc"
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