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Diffstat (limited to 'src/komposeviewmanager.cpp')
| -rw-r--r-- | src/komposeviewmanager.cpp | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/src/komposeviewmanager.cpp b/src/komposeviewmanager.cpp new file mode 100644 index 0000000..57359d3 --- /dev/null +++ b/src/komposeviewmanager.cpp @@ -0,0 +1,258 @@ +// +// C++ Implementation: %{MODULE} +// +// Description: +// +// +// Author: %{AUTHOR} <%{EMAIL}>, (C) %{YEAR} +// +// Copyright: See COPYING file that comes with this distribution +// +// +#include "komposeviewmanager.h" + +#include "komposetaskmanager.h" +#include "komposeglobal.h" +#include "komposesettings.h" +#include "komposesystray.h" + +#include <qtimer.h> +#include <qcursor.h> +#include <qapplication.h> +#include <qptrlist.h> +#include <qwidgetlist.h> +#include <qdesktopwidget.h> + +#include <kwin.h> +#include <kapplication.h> +#include <kdebug.h> + + +static KomposeViewManager* viewManagerInstance = 0; + +/** + * Viewmanager is a singleton + */ +KomposeViewManager* KomposeViewManager::instance() +{ + if ( !viewManagerInstance ) + { + kdDebug() << "KomposeViewManager::instance() - Creating Singleton instance" << endl; + viewManagerInstance = new KomposeViewManager(); + } + return viewManagerInstance; +} + +KomposeViewManager::KomposeViewManager(): + DCOPObject( "KomposeDcopIface" ), + QObject(), + viewWidget(), + activeView(0), + blockScreenshots(0) +{ + viewManagerInstance = this; + + // Setup cursorupdate timer to check for mouse moves into corner + cursorUpdateTimer = new QTimer(); + slotStartCursorUpdateTimer(); + + // dirty hack. see uglyQtHackInitFunction() + QTimer::singleShot( 500, this, SLOT( uglyQtHackInitFunction() ) ); +} + + +KomposeViewManager::~KomposeViewManager() +{ + delete cursorUpdateTimer; +} + + +/** + * This is a hack that should be called by a timer as this connect won't work in the constructor + */ +void KomposeViewManager::uglyQtHackInitFunction() +{ + connect( KomposeSettings::instance(), SIGNAL( settingsChanged() ), SLOT( slotStartCursorUpdateTimer() ) ); +} + +/** + * Starts the corner check timer which polls QCursor::pos() every second + @see checkCursorPos() + */ +void KomposeViewManager::slotStartCursorUpdateTimer() +{ + disconnect( cursorUpdateTimer, SIGNAL( timeout() ), this, SLOT( checkCursorPos() ) ); + + if ( KomposeSettings::instance()->getActivateOnBottomLeftCorner() || + KomposeSettings::instance()->getActivateOnBottomRightCorner() || + KomposeSettings::instance()->getActivateOnTopLeftCorner() || + KomposeSettings::instance()->getActivateOnTopRightCorner() || + KomposeSettings::instance()->getActivateOnTopEdge() || + KomposeSettings::instance()->getActivateOnBottomEdge() || + KomposeSettings::instance()->getActivateOnLeftEdge() || + KomposeSettings::instance()->getActivateOnRightEdge() ) + { + kdDebug() << "KomposeViewManager::slotStartCursorUpdateTimer() - QCursor::pos() checks enabled" << endl; + QRect deskRect = QApplication::desktop()->screenGeometry(); + + topLeftCorner = deskRect.topLeft(); + topRightCorner = deskRect.topRight(); + bottomLeftCorner = deskRect.bottomLeft(); + bottomRightCorner = deskRect.bottomRight(); + + connect( cursorUpdateTimer, SIGNAL( timeout() ), SLOT( checkCursorPos() ) ); + cursorUpdateTimer->start( 200, false ); // TODO: Find out why even an interval of 1ms doesn't hit performance! + } +} + + +/** + * Checks if cursor hovered over a corner that activates Kompose + */ +void KomposeViewManager::checkCursorPos() +{ + if ( + ( KomposeSettings::instance()->getActivateOnTopLeftCorner() && + !activeView && QCursor::pos() == topLeftCorner ) || + ( KomposeSettings::instance()->getActivateOnTopRightCorner() && + !activeView && QCursor::pos() == topRightCorner ) || + ( KomposeSettings::instance()->getActivateOnBottomLeftCorner() && + !activeView && QCursor::pos() == bottomLeftCorner ) || + ( KomposeSettings::instance()->getActivateOnBottomRightCorner() && + !activeView && QCursor::pos() == bottomRightCorner ) || + ( KomposeSettings::instance()->getActivateOnTopEdge() && + !activeView && QCursor::pos().y() == topLeftCorner.y() ) || + ( KomposeSettings::instance()->getActivateOnBottomEdge() && + !activeView && QCursor::pos().y() == bottomLeftCorner.y() ) || + ( KomposeSettings::instance()->getActivateOnLeftEdge() && + !activeView && QCursor::pos().x() == topLeftCorner.x() ) || + ( KomposeSettings::instance()->getActivateOnRightEdge() && + !activeView && QCursor::pos().x() == topRightCorner.x() ) + ) + { + //cursorUpdateTimer->stop(); + QTimer::singleShot( KomposeSettings::instance()->getAutoLockDelay(), this, SLOT( reCheckCursorPos() ) ); + } +} + +/** + * Called after the cursor was in a hotspot to check if it's still there + */ +void KomposeViewManager::reCheckCursorPos() +{ + if ( + ( KomposeSettings::instance()->getActivateOnTopLeftCorner() && + !activeView && QCursor::pos() == topLeftCorner ) || + ( KomposeSettings::instance()->getActivateOnTopRightCorner() && + !activeView && QCursor::pos() == topRightCorner ) || + ( KomposeSettings::instance()->getActivateOnBottomLeftCorner() && + !activeView && QCursor::pos() == bottomLeftCorner ) || + ( KomposeSettings::instance()->getActivateOnBottomRightCorner() && + !activeView && QCursor::pos() == bottomRightCorner ) || + ( KomposeSettings::instance()->getActivateOnTopEdge() && + !activeView && QCursor::pos().y() == topLeftCorner.y() ) || + ( KomposeSettings::instance()->getActivateOnBottomEdge() && + !activeView && QCursor::pos().y() == bottomLeftCorner.y() ) || + ( KomposeSettings::instance()->getActivateOnLeftEdge() && + !activeView && QCursor::pos().x() == topLeftCorner.x() ) || + ( KomposeSettings::instance()->getActivateOnRightEdge() && + !activeView && QCursor::pos().x() == topRightCorner.x() ) + ) + { + cursorUpdateTimer->stop(); + createView(); + } +} + + +void KomposeViewManager::createView( int type ) +{ + if (KomposeSettings::instance()->hasDialogOpen() || + KomposeGlobal::instance()->hasAboutDialogOpen()) + { + kdDebug() << "KomposeViewManager::createView() - Another Kompose Dialog is open... close it first" << endl; + return; + } + + if (type == -1) + type = KomposeSettings::instance()->getDefaultView(); + + kdDebug() << "KomposeViewManager::createView( type " << type << " )" << endl; + + if ( !activeView ) + { + // Remember current desktop + deskBeforeSnaps = KWin::currentDesktop(); + kdDebug() << "KomposeViewManager::createView() - Remembering desktop " << deskBeforeSnaps << endl; + // Update screenshot of the current window to be more up2date + // KomposeTaskManager::instance()->simulatePasvScreenshotEvent(); + // Update all other + blockScreenshots = true; + if ( type == KOMPOSEDISPLAY_CURRENTDESK ) + KomposeTaskManager::instance()->slotUpdateScreenshots( false ); + else + KomposeTaskManager::instance()->slotUpdateScreenshots(); + blockScreenshots = false; + } + + if ( !activeView ) + viewWidget = new KomposeFullscreenWidget( type ); + else + viewWidget->setType( type ); + + viewWidget->show(); + KWin::forceActiveWindow( viewWidget->winId() ); + + activeView = true; +} + + +void KomposeViewManager::closeCurrentView() +{ + if ( !activeView ) + return; + + blockScreenshots = true; + activeView = false; + + //viewWidget->setUpdatesEnabled( false ); + //viewWidget->hide(); + viewWidget->close(); + viewWidget->deleteLater(); + //viewWidget = 0; + + emit viewClosed(); + + if ( KomposeGlobal::instance()->getSingleShot() ) + kapp->quit(); + + // Reset old Desktop + KWin::setCurrentDesktop( deskBeforeSnaps ); + + // A short delay until we allow screenshots again (would cause overlapping else + QTimer::singleShot( 400, this, SLOT( toggleBlockScreenshots() ) ); + + // Restart Timer for corner checks + slotStartCursorUpdateTimer(); +} + +void KomposeViewManager::toggleBlockScreenshots() +{ + blockScreenshots = !blockScreenshots; +} + +void KomposeViewManager::setCurrentDesktop( int desknum ) +{ + closeCurrentView(); + KWin::setCurrentDesktop(desknum+1); +} + +void KomposeViewManager::activateTask( KomposeTask *task ) +{ + closeCurrentView(); + task->activate(); +} + + + +#include "komposeviewmanager.moc" |