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tdebase/twin/kcmtwin/twindecoration/preview.cpp

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/*
*
* 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 <tqlabel.h>
#include <tqstyle.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( TQWidget* parent, const char* name )
: TQWidget( 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 TQLabel( i18n( "No preview available.\n"
"Most probably there\n"
"was a problem loading the plugin." ), this );
no_preview->tqsetAlignment( 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( TQResizeEvent* e )
{
TQWidget::resizeEvent( e );
positionPreviews();
}
void KDecorationPreview::positionPreviews()
{
int titleBarHeight, leftBorder, rightBorder, xoffset,
dummy1, dummy2, dummy3;
TQRect geometry;
TQSize 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, TQApplication::reverseLayout()
? leftBorder : rightBorder ), 30 );
// Resize the active window
size = TQSize( width() - xoffset, height() - titleBarHeight )
.expandedTo( deco[Active]->tqminimumSize() );
geometry = TQRect( TQPoint( 0, titleBarHeight ), size );
deco[Active]->widget()->setGeometry( TQStyle::tqvisualRect( geometry, this ) );
// Resize the inactive window
size = TQSize( width() - xoffset, height() - titleBarHeight )
.expandedTo( deco[Inactive]->tqminimumSize() );
geometry = TQRect( TQPoint( xoffset, 0 ), size );
deco[Inactive]->widget()->setGeometry( TQStyle::tqvisualRect( geometry, this ) );
}
void KDecorationPreview::setPreviewMask( const TQRegion& reg, int mode, bool active )
{
TQWidget *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
{
TQMemArray< TQRect > rects = reg.tqrects();
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 tqshape of the active window for unobscuredRegion()
}
TQRect KDecorationPreview::windowGeometry( bool active ) const
{
TQWidget *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 TQString &left, const TQString &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();
}
}
TQRegion KDecorationPreview::unobscuredRegion( bool active, const TQRegion& r ) const
{
if( active ) // this one is not obscured
return r;
else
{
// copied from KWin core's code
TQRegion ret = r;
TQRegion r2 = mask;
if( r2.isEmpty())
r2 = TQRegion( 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 )
{
}
TQWidget* 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;
}
TQIconSet KDecorationPreviewBridge::icon() const
{
return TQIconSet( KGlobal::iconLoader()->loadIcon( "xapp", KIcon::NoGroup, 16 ),
KGlobal::iconLoader()->loadIcon( "xapp", KIcon::NoGroup, 32 ));
}
TQString KDecorationPreviewBridge::caption() const
{
return active ? i18n( "Active Window" ) : i18n( "Inactive Window" );
}
void KDecorationPreviewBridge::processMousePressEvent( TQMouseEvent* )
{
}
void KDecorationPreviewBridge::showWindowMenu( const TQRect &)
{
}
void KDecorationPreviewBridge::showWindowMenu( TQPoint )
{
}
void KDecorationPreviewBridge::performWindowOperation( WindowOperation )
{
}
void KDecorationPreviewBridge::setMask( const TQRegion& reg, int mode )
{
preview->setPreviewMask( reg, mode, active );
}
bool KDecorationPreviewBridge::isPreview() const
{
return true;
}
TQRect KDecorationPreviewBridge::geometry() const
{
return preview->windowGeometry( active );
}
TQRect KDecorationPreviewBridge::iconGeometry() const
{
return TQRect();
}
TQRegion KDecorationPreviewBridge::unobscuredRegion( const TQRegion& r ) const
{
return preview->unobscuredRegion( active, r );
}
TQWidget* 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 = TQString::null; // invalid
customTitleButtonsRight = TQString::null; // invalid
d = new KDecorationOptionsPrivate;
d->defaultKWinSettings();
updateSettings();
}
KDecorationPreviewOptions::~KDecorationPreviewOptions()
{
delete d;
}
unsigned long KDecorationPreviewOptions::updateSettings()
{
KConfig cfg( "twinrc", 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 TQString &left, const TQString &right)
{
customTitleButtonsLeft = left;
customTitleButtonsRight = right;
updateSettings();
}
bool KDecorationPreviewPlugins::provides( Requirement )
{
return false;
}
#include "preview.moc"