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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit4aed2c8219774f5d797760606b8489a92ddc5163 (patch)
tree3f8c130f7d269626bf6a9447407ef6c35954426a /kcontrol/randr/krandrmodule.cpp
downloadtdebase-4aed2c8219774f5d797760606b8489a92ddc5163.tar.gz
tdebase-4aed2c8219774f5d797760606b8489a92ddc5163.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/kcontrol/randr/krandrmodule.cpp b/kcontrol/randr/krandrmodule.cpp
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+/*
+ * Copyright (c) 2002,2003 Hamish Rodda <rodda@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) any later version.
+ *
+ * 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 <qbuttongroup.h>
+#include <qcheckbox.h>
+#include <qdesktopwidget.h>
+#include <qhbox.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qradiobutton.h>
+#include <qvbox.h>
+#include <qvbuttongroup.h>
+#include <qwhatsthis.h>
+
+#include <kcmodule.h>
+#include <kcombobox.h>
+#include <kdebug.h>
+#include <kdialog.h>
+#include <kgenericfactory.h>
+#include <kglobal.h>
+#include <klocale.h>
+
+#include "krandrmodule.h"
+#include "krandrmodule.moc"
+
+#include <X11/Xlib.h>
+#include <X11/extensions/Xrandr.h>
+
+// DLL Interface for kcontrol
+typedef KGenericFactory<KRandRModule, QWidget > KSSFactory;
+K_EXPORT_COMPONENT_FACTORY (kcm_randr, KSSFactory("krandr") )
+extern "C"
+
+{
+ KDE_EXPORT void init_randr()
+ {
+ KRandRModule::performApplyOnStartup();
+ }
+
+ KDE_EXPORT bool test_randr()
+ {
+ int eventBase, errorBase;
+ if( XRRQueryExtension(qt_xdisplay(), &eventBase, &errorBase ) )
+ return true;
+ return false;
+ }
+}
+
+void KRandRModule::performApplyOnStartup()
+{
+ KConfig config("kcmrandrrc", true);
+ if (RandRDisplay::applyOnStartup(config))
+ {
+ // Load settings and apply appropriate config
+ RandRDisplay display;
+ if (display.isValid() && display.loadDisplay(config))
+ display.applyProposed(false);
+ }
+}
+
+KRandRModule::KRandRModule(QWidget *parent, const char *name, const QStringList&)
+ : KCModule(parent, name)
+ , m_changed(false)
+{
+ if (!isValid()) {
+ QVBoxLayout *topLayout = new QVBoxLayout(this);
+ topLayout->addWidget(new QLabel(i18n("<qt>Your X server does not support resizing and rotating the display. Please update to version 4.3 or greater. You need the X Resize And Rotate extension (RANDR) version 1.1 or greater to use this feature.</qt>"), this));
+ kdWarning() << "Error: " << errorCode() << endl;
+ return;
+ }
+
+ QVBoxLayout* topLayout = new QVBoxLayout(this, 0, KDialog::spacingHint());
+
+ QHBox* screenBox = new QHBox(this);
+ topLayout->addWidget(screenBox);
+ QLabel *screenLabel = new QLabel(i18n("Settings for screen:"), screenBox);
+ m_screenSelector = new KComboBox(screenBox);
+
+ for (int s = 0; s < numScreens(); s++) {
+ m_screenSelector->insertItem(i18n("Screen %1").arg(s+1));
+ }
+
+ m_screenSelector->setCurrentItem(currentScreenIndex());
+ screenLabel->setBuddy( m_screenSelector );
+ QWhatsThis::add(m_screenSelector, i18n("The screen whose settings you would like to change can be selected using this drop-down list."));
+
+ connect(m_screenSelector, SIGNAL(activated(int)), SLOT(slotScreenChanged(int)));
+
+ if (numScreens() <= 1)
+ m_screenSelector->setEnabled(false);
+
+ QHBox* sizeBox = new QHBox(this);
+ topLayout->addWidget(sizeBox);
+ QLabel *sizeLabel = new QLabel(i18n("Screen size:"), sizeBox);
+ m_sizeCombo = new KComboBox(sizeBox);
+ QWhatsThis::add(m_sizeCombo, i18n("The size, otherwise known as the resolution, of your screen can be selected from this drop-down list."));
+ connect(m_sizeCombo, SIGNAL(activated(int)), SLOT(slotSizeChanged(int)));
+ sizeLabel->setBuddy( m_sizeCombo );
+
+ QHBox* refreshBox = new QHBox(this);
+ topLayout->addWidget(refreshBox);
+ QLabel *rateLabel = new QLabel(i18n("Refresh rate:"), refreshBox);
+ m_refreshRates = new KComboBox(refreshBox);
+ QWhatsThis::add(m_refreshRates, i18n("The refresh rate of your screen can be selected from this drop-down list."));
+ connect(m_refreshRates, SIGNAL(activated(int)), SLOT(slotRefreshChanged(int)));
+ rateLabel->setBuddy( m_refreshRates );
+
+ m_rotationGroup = new QButtonGroup(2, Qt::Horizontal, i18n("Orientation (degrees counterclockwise)"), this);
+ topLayout->addWidget(m_rotationGroup);
+ m_rotationGroup->setRadioButtonExclusive(true);
+ QWhatsThis::add(m_rotationGroup, i18n("The options in this section allow you to change the rotation of your screen."));
+
+ m_applyOnStartup = new QCheckBox(i18n("Apply settings on KDE startup"), this);
+ topLayout->addWidget(m_applyOnStartup);
+ QWhatsThis::add(m_applyOnStartup, i18n("If this option is enabled the size and orientation settings will be used when KDE starts."));
+ connect(m_applyOnStartup, SIGNAL(clicked()), SLOT(setChanged()));
+
+ QHBox* syncBox = new QHBox(this);
+ syncBox->layout()->addItem(new QSpacerItem(20, 1, QSizePolicy::Maximum));
+ m_syncTrayApp = new QCheckBox(i18n("Allow tray application to change startup settings"), syncBox);
+ topLayout->addWidget(syncBox);
+ QWhatsThis::add(m_syncTrayApp, i18n("If this option is enabled, options set by the system tray applet will be saved and loaded when KDE starts instead of being temporary."));
+ connect(m_syncTrayApp, SIGNAL(clicked()), SLOT(setChanged()));
+
+ topLayout->addStretch(1);
+
+ // just set the "apply settings on startup" box
+ load();
+ m_syncTrayApp->setEnabled(m_applyOnStartup->isChecked());
+
+ slotScreenChanged(QApplication::desktop()->primaryScreen());
+
+ setButtons(KCModule::Apply);
+}
+
+void KRandRModule::addRotationButton(int thisRotation, bool checkbox)
+{
+ Q_ASSERT(m_rotationGroup);
+ if (!checkbox) {
+ QRadioButton* thisButton = new QRadioButton(RandRScreen::rotationName(thisRotation), m_rotationGroup);
+ thisButton->setEnabled(thisRotation & currentScreen()->rotations());
+ connect(thisButton, SIGNAL(clicked()), SLOT(slotRotationChanged()));
+ } else {
+ QCheckBox* thisButton = new QCheckBox(RandRScreen::rotationName(thisRotation), m_rotationGroup);
+ thisButton->setEnabled(thisRotation & currentScreen()->rotations());
+ connect(thisButton, SIGNAL(clicked()), SLOT(slotRotationChanged()));
+ }
+}
+
+void KRandRModule::slotScreenChanged(int screen)
+{
+ setCurrentScreen(screen);
+
+ // Clear resolutions
+ m_sizeCombo->clear();
+
+ // Add new resolutions
+ for (int i = 0; i < currentScreen()->numSizes(); i++) {
+ m_sizeCombo->insertItem(i18n("%1 x %2").arg(currentScreen()->pixelSize(i).width()).arg(currentScreen()->pixelSize(i).height()));
+
+ // Aspect ratio
+ /* , aspect ratio %5)*/
+ /*.arg((double)currentScreen()->size(i).mwidth / (double)currentScreen()->size(i).mheight))*/
+ }
+
+ // Clear rotations
+ for (int i = m_rotationGroup->count() - 1; i >= 0; i--)
+ m_rotationGroup->remove(m_rotationGroup->find(i));
+
+ // Create rotations
+ for (int i = 0; i < RandRScreen::OrientationCount; i++)
+ addRotationButton(1 << i, i > RandRScreen::RotationCount - 1);
+
+ populateRefreshRates();
+
+ update();
+
+ setChanged();
+}
+
+void KRandRModule::slotRotationChanged()
+{
+ if (m_rotationGroup->find(0)->isOn())
+ currentScreen()->proposeRotation(RandRScreen::Rotate0);
+ else if (m_rotationGroup->find(1)->isOn())
+ currentScreen()->proposeRotation(RandRScreen::Rotate90);
+ else if (m_rotationGroup->find(2)->isOn())
+ currentScreen()->proposeRotation(RandRScreen::Rotate180);
+ else {
+ Q_ASSERT(m_rotationGroup->find(3)->isOn());
+ currentScreen()->proposeRotation(RandRScreen::Rotate270);
+ }
+
+ if (m_rotationGroup->find(4)->isOn())
+ currentScreen()->proposeRotation(currentScreen()->proposedRotation() ^ RandRScreen::ReflectX);
+
+ if (m_rotationGroup->find(5)->isOn())
+ currentScreen()->proposeRotation(currentScreen()->proposedRotation() ^ RandRScreen::ReflectY);
+
+ setChanged();
+}
+
+void KRandRModule::slotSizeChanged(int index)
+{
+ int oldProposed = currentScreen()->proposedSize();
+
+ currentScreen()->proposeSize(index);
+
+ if (currentScreen()->proposedSize() != oldProposed) {
+ currentScreen()->proposeRefreshRate(0);
+
+ populateRefreshRates();
+
+ // Item with index zero is already selected
+ }
+
+ setChanged();
+}
+
+void KRandRModule::slotRefreshChanged(int index)
+{
+ currentScreen()->proposeRefreshRate(index);
+
+ setChanged();
+}
+
+void KRandRModule::populateRefreshRates()
+{
+ m_refreshRates->clear();
+
+ QStringList rr = currentScreen()->refreshRates(currentScreen()->proposedSize());
+
+ m_refreshRates->setEnabled(rr.count());
+
+ for (QStringList::Iterator it = rr.begin(); it != rr.end(); ++it)
+ m_refreshRates->insertItem(*it);
+}
+
+
+void KRandRModule::defaults()
+{
+ load( true );
+}
+
+void KRandRModule::load()
+{
+ load( false );
+}
+
+void KRandRModule::load( bool useDefaults )
+{
+ if (!isValid())
+ return;
+
+ // Don't load screen configurations:
+ // It will be correct already if they wanted to retain their settings over KDE restarts,
+ // and if it isn't correct they have changed a) their X configuration, b) the screen
+ // with another program, or c) their hardware.
+ KConfig config("kcmrandrrc", true);
+
+ config.setReadDefaults( useDefaults );
+
+ m_oldApply = loadDisplay(config, false);
+ m_oldSyncTrayApp = syncTrayApp(config);
+
+ m_applyOnStartup->setChecked(m_oldApply);
+ m_syncTrayApp->setChecked(m_oldSyncTrayApp);
+
+ emit changed( useDefaults );
+}
+
+void KRandRModule::save()
+{
+ if (!isValid())
+ return;
+
+ apply();
+
+ m_oldApply = m_applyOnStartup->isChecked();
+ m_oldSyncTrayApp = m_syncTrayApp->isChecked();
+ KConfig config("kcmrandrrc");
+ saveDisplay(config, m_oldApply, m_oldSyncTrayApp);
+
+ setChanged();
+}
+
+void KRandRModule::setChanged()
+{
+ bool isChanged = (m_oldApply != m_applyOnStartup->isChecked()) || (m_oldSyncTrayApp != m_syncTrayApp->isChecked());
+ m_syncTrayApp->setEnabled(m_applyOnStartup->isChecked());
+
+ if (!isChanged)
+ for (int screenIndex = 0; screenIndex < numScreens(); screenIndex++) {
+ if (screen(screenIndex)->proposedChanged()) {
+ isChanged = true;
+ break;
+ }
+ }
+
+ if (isChanged != m_changed) {
+ m_changed = isChanged;
+ emit changed(m_changed);
+ }
+}
+
+void KRandRModule::apply()
+{
+ if (m_changed) {
+ applyProposed();
+
+ update();
+ }
+}
+
+
+void KRandRModule::update()
+{
+ m_sizeCombo->blockSignals(true);
+ m_sizeCombo->setCurrentItem(currentScreen()->proposedSize());
+ m_sizeCombo->blockSignals(false);
+
+ m_rotationGroup->blockSignals(true);
+ switch (currentScreen()->proposedRotation() & RandRScreen::RotateMask) {
+ case RandRScreen::Rotate0:
+ m_rotationGroup->setButton(0);
+ break;
+ case RandRScreen::Rotate90:
+ m_rotationGroup->setButton(1);
+ break;
+ case RandRScreen::Rotate180:
+ m_rotationGroup->setButton(2);
+ break;
+ case RandRScreen::Rotate270:
+ m_rotationGroup->setButton(3);
+ break;
+ default:
+ // Shouldn't hit this one
+ Q_ASSERT(currentScreen()->proposedRotation() & RandRScreen::RotateMask);
+ break;
+ }
+ m_rotationGroup->find(4)->setDown(currentScreen()->proposedRotation() & RandRScreen::ReflectX);
+ m_rotationGroup->find(5)->setDown(currentScreen()->proposedRotation() & RandRScreen::ReflectY);
+ m_rotationGroup->blockSignals(false);
+
+ m_refreshRates->blockSignals(true);
+ m_refreshRates->setCurrentItem(currentScreen()->proposedRefreshRate());
+ m_refreshRates->blockSignals(false);
+}
+