diff options
Diffstat (limited to 'kwin/kcmkwin/kwindecoration/preview.cpp')
| -rw-r--r-- | kwin/kcmkwin/kwindecoration/preview.cpp | 507 |
1 files changed, 507 insertions, 0 deletions
diff --git a/kwin/kcmkwin/kwindecoration/preview.cpp b/kwin/kcmkwin/kwindecoration/preview.cpp new file mode 100644 index 000000000..8c88a3604 --- /dev/null +++ b/kwin/kcmkwin/kwindecoration/preview.cpp @@ -0,0 +1,507 @@ +/* + * + * Copyright (c) 2003 Lubos Lunak <l.lunak@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 "preview.h" + +#include <kapplication.h> +#include <klocale.h> +#include <kconfig.h> +#include <kglobal.h> +#include <qlabel.h> +#include <qstyle.h> +#include <kiconloader.h> + +#include <X11/Xlib.h> +#include <X11/extensions/shape.h> + +#include <kdecorationfactory.h> +#include <kdecoration_plugins_p.h> + +// FRAME the preview doesn't update to reflect the changes done in the kcm + +KDecorationPreview::KDecorationPreview( QWidget* parent, const char* name ) + : QWidget( parent, name ) + { + options = new KDecorationPreviewOptions; + + bridge[Active] = new KDecorationPreviewBridge( this, true ); + bridge[Inactive] = new KDecorationPreviewBridge( this, false ); + + deco[Active] = deco[Inactive] = NULL; + + no_preview = new QLabel( i18n( "No preview available.\n" + "Most probably there\n" + "was a problem loading the plugin." ), this ); + + no_preview->setAlignment( AlignCenter ); + + setMinimumSize( 100, 100 ); + no_preview->resize( size()); + } + +KDecorationPreview::~KDecorationPreview() + { + for ( int i = 0; i < NumWindows; i++ ) + { + delete deco[i]; + delete bridge[i]; + } + delete options; + } + +bool KDecorationPreview::recreateDecoration( KDecorationPlugins* plugins ) + { + for ( int i = 0; i < NumWindows; i++ ) + { + delete deco[i]; // deletes also window + deco[i] = plugins->createDecoration( bridge[i] ); + deco[i]->init(); + } + + if( deco[Active] == NULL || deco[Inactive] == NULL ) + { + return false; + } + + positionPreviews(); + deco[Inactive]->widget()->show(); + deco[Active]->widget()->show(); + + return true; + } + +void KDecorationPreview::enablePreview() + { + no_preview->hide(); + } + +void KDecorationPreview::disablePreview() + { + delete deco[Active]; + delete deco[Inactive]; + deco[Active] = deco[Inactive] = NULL; + no_preview->show(); + } + +void KDecorationPreview::resizeEvent( QResizeEvent* e ) + { + QWidget::resizeEvent( e ); + positionPreviews(); + } + +void KDecorationPreview::positionPreviews() + { + int titleBarHeight, leftBorder, rightBorder, xoffset, + dummy1, dummy2, dummy3; + QRect geometry; + QSize size; + + no_preview->resize( this->size() ); + + if ( !deco[Active] || !deco[Inactive] ) + return; + + // don't have more than one reference to the same dummy variable in one borders() call. + deco[Active]->borders( dummy1, dummy2, titleBarHeight, dummy3 ); + deco[Inactive]->borders( leftBorder, rightBorder, dummy1, dummy2 ); + + titleBarHeight = kMin( int( titleBarHeight * .9 ), 30 ); + xoffset = kMin( kMax( 10, QApplication::reverseLayout() + ? leftBorder : rightBorder ), 30 ); + + // Resize the active window + size = QSize( width() - xoffset, height() - titleBarHeight ) + .expandedTo( deco[Active]->minimumSize() ); + geometry = QRect( QPoint( 0, titleBarHeight ), size ); + deco[Active]->widget()->setGeometry( QStyle::visualRect( geometry, this ) ); + + // Resize the inactive window + size = QSize( width() - xoffset, height() - titleBarHeight ) + .expandedTo( deco[Inactive]->minimumSize() ); + geometry = QRect( QPoint( xoffset, 0 ), size ); + deco[Inactive]->widget()->setGeometry( QStyle::visualRect( geometry, this ) ); + } + +void KDecorationPreview::setPreviewMask( const QRegion& reg, int mode, bool active ) + { + QWidget *widget = active ? deco[Active]->widget() : deco[Inactive]->widget(); + + // FRAME duped from client.cpp + if( mode == Unsorted ) + { + XShapeCombineRegion( qt_xdisplay(), widget->winId(), ShapeBounding, 0, 0, + reg.handle(), ShapeSet ); + } + else + { + QMemArray< QRect > rects = reg.rects(); + XRectangle* xrects = new XRectangle[ rects.count() ]; + for( unsigned int i = 0; + i < rects.count(); + ++i ) + { + xrects[ i ].x = rects[ i ].x(); + xrects[ i ].y = rects[ i ].y(); + xrects[ i ].width = rects[ i ].width(); + xrects[ i ].height = rects[ i ].height(); + } + XShapeCombineRectangles( qt_xdisplay(), widget->winId(), ShapeBounding, 0, 0, + xrects, rects.count(), ShapeSet, mode ); + delete[] xrects; + } + if( active ) + mask = reg; // keep shape of the active window for unobscuredRegion() + } + +QRect KDecorationPreview::windowGeometry( bool active ) const + { + QWidget *widget = active ? deco[Active]->widget() : deco[Inactive]->widget(); + return widget->geometry(); + } + +void KDecorationPreview::setTempBorderSize(KDecorationPlugins* plugin, KDecorationDefines::BorderSize size) + { + options->setCustomBorderSize(size); + if (plugin->factory()->reset(KDecorationDefines::SettingBorder) ) + { + // can't handle the change, recreate decorations then + recreateDecoration(plugin); + } + else + { + // handles the update, only update position... + positionPreviews(); + } + } + +void KDecorationPreview::setTempButtons(KDecorationPlugins* plugin, bool customEnabled, const QString &left, const QString &right) + { + options->setCustomTitleButtonsEnabled(customEnabled); + options->setCustomTitleButtons(left, right); + if (plugin->factory()->reset(KDecorationDefines::SettingButtons) ) + { + // can't handle the change, recreate decorations then + recreateDecoration(plugin); + } + else + { + // handles the update, only update position... + positionPreviews(); + } + } + +QRegion KDecorationPreview::unobscuredRegion( bool active, const QRegion& r ) const + { + if( active ) // this one is not obscured + return r; + else + { + // copied from KWin core's code + QRegion ret = r; + QRegion r2 = mask; + if( r2.isEmpty()) + r2 = QRegion( windowGeometry( true )); + r2.translate( windowGeometry( true ).x() - windowGeometry( false ).x(), + windowGeometry( true ).y() - windowGeometry( false ).y()); + ret -= r2; + return ret; + } + } + +KDecorationPreviewBridge::KDecorationPreviewBridge( KDecorationPreview* p, bool a ) + : preview( p ), active( a ) + { + } + +QWidget* KDecorationPreviewBridge::initialParentWidget() const + { + return preview; + } + +Qt::WFlags KDecorationPreviewBridge::initialWFlags() const + { + return 0; + } + +bool KDecorationPreviewBridge::isActive() const + { + return active; + } + +bool KDecorationPreviewBridge::isCloseable() const + { + return true; + } + +bool KDecorationPreviewBridge::isMaximizable() const + { + return true; + } + +KDecoration::MaximizeMode KDecorationPreviewBridge::maximizeMode() const + { + return KDecoration::MaximizeRestore; + } + +bool KDecorationPreviewBridge::isMinimizable() const + { + return true; + } + +bool KDecorationPreviewBridge::providesContextHelp() const + { + return true; + } + +int KDecorationPreviewBridge::desktop() const + { + return 1; + } + +bool KDecorationPreviewBridge::isModal() const + { + return false; + } + +bool KDecorationPreviewBridge::isShadeable() const + { + return true; + } + +bool KDecorationPreviewBridge::isShade() const + { + return false; + } + +bool KDecorationPreviewBridge::isSetShade() const + { + return false; + } + +bool KDecorationPreviewBridge::keepAbove() const + { + return false; + } + +bool KDecorationPreviewBridge::keepBelow() const + { + return false; + } + +bool KDecorationPreviewBridge::isMovable() const + { + return true; + } + +bool KDecorationPreviewBridge::isResizable() const + { + return true; + } + +NET::WindowType KDecorationPreviewBridge::windowType( unsigned long ) const + { + return NET::Normal; + } + +QIconSet KDecorationPreviewBridge::icon() const + { + return QIconSet( KGlobal::iconLoader()->loadIcon( "xapp", KIcon::NoGroup, 16 ), + KGlobal::iconLoader()->loadIcon( "xapp", KIcon::NoGroup, 32 )); + } + +QString KDecorationPreviewBridge::caption() const + { + return active ? i18n( "Active Window" ) : i18n( "Inactive Window" ); + } + +void KDecorationPreviewBridge::processMousePressEvent( QMouseEvent* ) + { + } + +void KDecorationPreviewBridge::showWindowMenu( const QRect &) + { + } + +void KDecorationPreviewBridge::showWindowMenu( QPoint ) + { + } + +void KDecorationPreviewBridge::performWindowOperation( WindowOperation ) + { + } + +void KDecorationPreviewBridge::setMask( const QRegion& reg, int mode ) + { + preview->setPreviewMask( reg, mode, active ); + } + +bool KDecorationPreviewBridge::isPreview() const + { + return true; + } + +QRect KDecorationPreviewBridge::geometry() const + { + return preview->windowGeometry( active ); + } + +QRect KDecorationPreviewBridge::iconGeometry() const + { + return QRect(); + } + +QRegion KDecorationPreviewBridge::unobscuredRegion( const QRegion& r ) const + { + return preview->unobscuredRegion( active, r ); + } + +QWidget* KDecorationPreviewBridge::workspaceWidget() const + { + return preview; + } + +WId KDecorationPreviewBridge::windowId() const + { + return 0; // no decorated window + } + +void KDecorationPreviewBridge::closeWindow() + { + } + +void KDecorationPreviewBridge::maximize( MaximizeMode ) + { + } + +void KDecorationPreviewBridge::minimize() + { + } + +void KDecorationPreviewBridge::showContextHelp() + { + } + +void KDecorationPreviewBridge::setDesktop( int ) + { + } + +void KDecorationPreviewBridge::titlebarDblClickOperation() + { + } + +void KDecorationPreviewBridge::titlebarMouseWheelOperation( int ) + { + } + +void KDecorationPreviewBridge::setShade( bool ) + { + } + +void KDecorationPreviewBridge::setKeepAbove( bool ) + { + } + +void KDecorationPreviewBridge::setKeepBelow( bool ) + { + } + +int KDecorationPreviewBridge::currentDesktop() const + { + return 1; + } + +void KDecorationPreviewBridge::helperShowHide( bool ) + { + } + +void KDecorationPreviewBridge::grabXServer( bool ) + { + } + +KDecorationPreviewOptions::KDecorationPreviewOptions() + { + customBorderSize = BordersCount; // invalid + customButtonsChanged = false; // invalid + customButtons = true; + customTitleButtonsLeft = QString::null; // invalid + customTitleButtonsRight = QString::null; // invalid + + d = new KDecorationOptionsPrivate; + d->defaultKWinSettings(); + updateSettings(); + } + +KDecorationPreviewOptions::~KDecorationPreviewOptions() + { + delete d; + } + +unsigned long KDecorationPreviewOptions::updateSettings() + { + KConfig cfg( "kwinrc", true ); + unsigned long changed = 0; + changed |= d->updateKWinSettings( &cfg ); + + // set custom border size/buttons + if (customBorderSize != BordersCount) + d->border_size = customBorderSize; + if (customButtonsChanged) + d->custom_button_positions = customButtons; + if (customButtons) { + if (!customTitleButtonsLeft.isNull() ) + d->title_buttons_left = customTitleButtonsLeft; + if (!customTitleButtonsRight.isNull() ) + d->title_buttons_right = customTitleButtonsRight; + } else { + d->title_buttons_left = "MS"; + d->title_buttons_right = "HIAX"; + } + + return changed; + } + +void KDecorationPreviewOptions::setCustomBorderSize(BorderSize size) + { + customBorderSize = size; + + updateSettings(); + } + +void KDecorationPreviewOptions::setCustomTitleButtonsEnabled(bool enabled) +{ + customButtonsChanged = true; + customButtons = enabled; + + updateSettings(); +} + +void KDecorationPreviewOptions::setCustomTitleButtons(const QString &left, const QString &right) + { + customTitleButtonsLeft = left; + customTitleButtonsRight = right; + + updateSettings(); + } + +bool KDecorationPreviewPlugins::provides( Requirement ) + { + return false; + } + +#include "preview.moc" |