kde-workspace/ksplash/ksplashqml/SplashApp.cpp
2015-07-21 15:41:15 +03:00

152 lines
4.3 KiB
C++

/*
* Copyright (C) 2010 Ivan Cukic <ivan.cukic(at)kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
* or (at your option) any later version, as published by the Free
* Software Foundation
*
* 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, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "SplashWindow.h"
#include "SplashApp.h"
#include <QDesktopWidget>
#include <QPixmap>
#include <QCursor>
#define TEST_STEP_INTERVAL 2000
SplashApp::SplashApp(Display * display, int &argc, char ** argv)
: QApplication(display, argc, argv),
m_display(display), m_stage(0),
m_testing(false)
{
m_kde_splash_progress = XInternAtom(m_display, "_KDE_SPLASH_PROGRESS", False);
m_testing = arguments().contains("--test");
m_desktop = QApplication::desktop();
screenGeometryChanged(m_desktop->screenCount());
setStage(1);
QPixmap cursor(32, 32);
cursor.fill(QColor(0, 0, 0, 0));
setOverrideCursor(QCursor(cursor));
XSelectInput(display, DefaultRootWindow(display), SubstructureNotifyMask);
if (m_testing) {
m_timer.start(TEST_STEP_INTERVAL, this);
}
connect(m_desktop, SIGNAL(screenCountChanged(int)), this, SLOT(screenGeometryChanged(int)));
connect(m_desktop, SIGNAL(workAreaResized(int)), this, SLOT(screenGeometryChanged(int)));
}
SplashApp::~SplashApp()
{
qDeleteAll(m_windows);
}
Display * SplashApp::display() const
{
return m_display;
}
void SplashApp::timerEvent(QTimerEvent * event)
{
if (event->timerId() == m_timer.timerId()) {
m_timer.stop();
setStage(m_stage + 1);
m_timer.start(TEST_STEP_INTERVAL, this);
}
}
bool SplashApp::x11EventFilter(XEvent * xe)
{
switch (xe->type) {
case ClientMessage:
if (xe->xclient.message_type == m_kde_splash_progress) {
char * message = xe->xclient.data.b;
int stage = -1;
if (strcmp(message, "initial") == 0 && m_stage < 0)
stage = 0; // not actually used
else if (strcmp(message, "kded") == 0 && m_stage < 1)
stage = 1;
else if (strcmp(message, "kcminit") == 0 && m_stage < 2)
stage = 2;
else if (strcmp(message, "ksmserver") == 0 && m_stage < 3)
stage = 3;
else if (strcmp(message, "wm") == 0 && m_stage < 4)
stage = 4;
else if (strcmp(message, "desktop") == 0 && m_stage < 5)
stage = 5;
setStage(stage);
}
}
return false;
}
int SplashApp::x11ProcessEvent(XEvent * xe)
{
Q_UNUSED(xe)
return 0;
}
void SplashApp::setStage(int stage)
{
if (m_stage == 6) {
QApplication::exit(EXIT_SUCCESS);
}
m_stage = stage;
foreach (SplashWindow *w, m_windows) {
w->setStage(stage);
}
}
void SplashApp::screenGeometryChanged(int)
{
int i;
// first iterate over all the new and old ones to set sizes appropriately
for (i = 0; i < m_desktop->screenCount(); i++) {
if (i < m_windows.count()) {
m_windows[i]->setGeometry(m_desktop->availableGeometry(i));
}
else {
SplashWindow *w = new SplashWindow(m_testing);
// When running into a view error at this point it means that the
// theme file could not be loaded. We want to exit as otherwise we
// are exposed to nullptr crashes.
if (w->status() == QDeclarativeView::Error) {
::exit(2);
}
w->setGeometry(m_desktop->availableGeometry(i));
w->setStage(m_stage);
w->show();
m_windows << w;
}
}
// then delete the rest, if there is any
m_windows.erase(m_windows.begin() + i, m_windows.end());
}
#include "moc_SplashApp.cpp"