kwin/tabbox/tabboxhandler.cpp
Martin Gräßlin 646c7909d3 Do not activate highlight windows in desktop switching. This fixes a crash in walk through desktops.
BUG: 223432

svn path=/trunk/KDE/kdebase/workspace/; revision=1096422
2010-02-26 16:50:45 +00:00

720 lines
25 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.com>
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, see <http://www.gnu.org/licenses/>.
*********************************************************************/
// own
#include "tabboxhandler.h"
// tabbox
#include "clientitemdelegate.h"
#include "clientmodel.h"
#include "desktopitemdelegate.h"
#include "desktopmodel.h"
#include "itemlayoutconfig.h"
#include "tabboxconfig.h"
#include "tabboxview.h"
// Qt
#include <qdom.h>
#include <QFile>
#include <QKeyEvent>
#include <QModelIndex>
#include <QPainter>
#include <QX11Info>
#include <X11/Xlib.h>
// KDE
#include <KDebug>
#include <KStandardDirs>
namespace KWin
{
namespace TabBox
{
class TabBoxHandlerPrivate
{
public:
TabBoxHandlerPrivate();
~TabBoxHandlerPrivate();
/**
* Updates the currently shown outline.
*/
void updateOutline();
/**
* Hides the currently shown outline.
*/
void hideOutline();
/**
* Updates the current highlight window state
*/
void updateHighlightWindows();
/**
* Ends window highlighting
*/
void endHighlightWindows();
ClientModel* clientModel() const;
DesktopModel* desktopModel() const;
void parseConfig( const QString& fileName );
// members
TabBoxConfig config;
TabBoxView* view;
QModelIndex index;
Window outlineLeft;
Window outlineRight;
Window outlineTop;
Window outlineBottom;
/**
* Indicates if the tabbox is shown.
* Used to determine if the outline has to be updated, etc.
*/
bool isShown;
QMap< QString, ItemLayoutConfig > tabBoxLayouts;
};
TabBoxHandlerPrivate::TabBoxHandlerPrivate()
{
isShown = false;
config = TabBoxConfig();
view = new TabBoxView();
XSetWindowAttributes attr;
attr.override_redirect = 1;
outlineLeft = XCreateWindow( QX11Info::display(), QX11Info::appRootWindow(), 0, 0, 1, 1, 0,
CopyFromParent, CopyFromParent, CopyFromParent, CWOverrideRedirect, &attr );
outlineRight = XCreateWindow( QX11Info::display(), QX11Info::appRootWindow(), 0, 0, 1, 1, 0,
CopyFromParent, CopyFromParent, CopyFromParent, CWOverrideRedirect, &attr );
outlineTop = XCreateWindow( QX11Info::display(), QX11Info::appRootWindow(), 0, 0, 1, 1, 0,
CopyFromParent, CopyFromParent, CopyFromParent, CWOverrideRedirect, &attr );
outlineBottom = XCreateWindow( QX11Info::display(), QX11Info::appRootWindow(), 0, 0, 1, 1, 0,
CopyFromParent, CopyFromParent, CopyFromParent, CWOverrideRedirect, &attr );
// load the layouts
parseConfig( KStandardDirs::locate( "data", "kwin/DefaultTabBoxLayouts.xml" ) );
view->clientDelegate()->setConfig( tabBoxLayouts.value( "Default" ) );
view->additionalClientDelegate()->setConfig( tabBoxLayouts.value( "Text" ) );
view->desktopDelegate()->setConfig( tabBoxLayouts.value( "Desktop" ) );
view->desktopDelegate()->setLayouts( tabBoxLayouts );
}
TabBoxHandlerPrivate::~TabBoxHandlerPrivate()
{
delete view;
XDestroyWindow( QX11Info::display(), outlineLeft );
XDestroyWindow( QX11Info::display(), outlineRight );
XDestroyWindow( QX11Info::display(), outlineTop );
XDestroyWindow( QX11Info::display(), outlineBottom );
}
ClientModel* TabBoxHandlerPrivate::clientModel() const
{
return view->clientModel();
}
DesktopModel* TabBoxHandlerPrivate::desktopModel() const
{
return view->desktopModel();
}
void TabBoxHandlerPrivate::updateOutline()
{
if( config.tabBoxMode() != TabBoxConfig::ClientTabBox )
return;
// if( c == NULL || !m_isShown || !c->isShown( true ) || !c->isOnCurrentDesktop())
if( !isShown || view->clientModel()->data( index, ClientModel::EmptyRole ).toBool() )
{
hideOutline();
return;
}
TabBoxClient* c = static_cast< TabBoxClient* >(
view->clientModel()->data( index, ClientModel::ClientRole ).value<void *>());
// left/right parts are between top/bottom, they don't reach as far as the corners
XMoveResizeWindow( QX11Info::display(), outlineLeft, c->x(), c->y() + 5, 5, c->height() - 10 );
XMoveResizeWindow( QX11Info::display(), outlineRight, c->x() + c->width() - 5, c->y() + 5, 5, c->height() - 10 );
XMoveResizeWindow( QX11Info::display(), outlineTop, c->x(), c->y(), c->width(), 5 );
XMoveResizeWindow( QX11Info::display(), outlineBottom, c->x(), c->y() + c->height() - 5, c->width(), 5 );
{
QPixmap pix( 5, c->height() - 10 );
QPainter p( &pix );
p.setPen( Qt::white );
p.drawLine( 0, 0, 0, pix.height() - 1 );
p.drawLine( 4, 0, 4, pix.height() - 1 );
p.setPen( Qt::gray );
p.drawLine( 1, 0, 1, pix.height() - 1 );
p.drawLine( 3, 0, 3, pix.height() - 1 );
p.setPen( Qt::black );
p.drawLine( 2, 0, 2, pix.height() - 1 );
p.end();
XSetWindowBackgroundPixmap( QX11Info::display(), outlineLeft, pix.handle());
XSetWindowBackgroundPixmap( QX11Info::display(), outlineRight, pix.handle());
}
{
QPixmap pix( c->width(), 5 );
QPainter p( &pix );
p.setPen( Qt::white );
p.drawLine( 0, 0, pix.width() - 1 - 0, 0 );
p.drawLine( 4, 4, pix.width() - 1 - 4, 4 );
p.drawLine( 0, 0, 0, 4 );
p.drawLine( pix.width() - 1 - 0, 0, pix.width() - 1 - 0, 4 );
p.setPen( Qt::gray );
p.drawLine( 1, 1, pix.width() - 1 - 1, 1 );
p.drawLine( 3, 3, pix.width() - 1 - 3, 3 );
p.drawLine( 1, 1, 1, 4 );
p.drawLine( 3, 3, 3, 4 );
p.drawLine( pix.width() - 1 - 1, 1, pix.width() - 1 - 1, 4 );
p.drawLine( pix.width() - 1 - 3, 3, pix.width() - 1 - 3, 4 );
p.setPen( Qt::black );
p.drawLine( 2, 2, pix.width() - 1 - 2, 2 );
p.drawLine( 2, 2, 2, 4 );
p.drawLine( pix.width() - 1 - 2, 2, pix.width() - 1 - 2, 4 );
p.end();
XSetWindowBackgroundPixmap( QX11Info::display(), outlineTop, pix.handle());
}
{
QPixmap pix( c->width(), 5 );
QPainter p( &pix );
p.setPen( Qt::white );
p.drawLine( 4, 0, pix.width() - 1 - 4, 0 );
p.drawLine( 0, 4, pix.width() - 1 - 0, 4 );
p.drawLine( 0, 4, 0, 0 );
p.drawLine( pix.width() - 1 - 0, 4, pix.width() - 1 - 0, 0 );
p.setPen( Qt::gray );
p.drawLine( 3, 1, pix.width() - 1 - 3, 1 );
p.drawLine( 1, 3, pix.width() - 1 - 1, 3 );
p.drawLine( 3, 1, 3, 0 );
p.drawLine( 1, 3, 1, 0 );
p.drawLine( pix.width() - 1 - 3, 1, pix.width() - 1 - 3, 0 );
p.drawLine( pix.width() - 1 - 1, 3, pix.width() - 1 - 1, 0 );
p.setPen( Qt::black );
p.drawLine( 2, 2, pix.width() - 1 - 2, 2 );
p.drawLine( 2, 0, 2, 2 );
p.drawLine( pix.width() - 1 - 2, 0, pix.width() - 1 - 2, 2 );
p.end();
XSetWindowBackgroundPixmap( QX11Info::display(), outlineBottom, pix.handle());
}
XClearWindow( QX11Info::display(), outlineLeft );
XClearWindow( QX11Info::display(), outlineRight );
XClearWindow( QX11Info::display(), outlineTop );
XClearWindow( QX11Info::display(), outlineBottom );
XMapWindow( QX11Info::display(), outlineLeft );
XMapWindow( QX11Info::display(), outlineRight );
XMapWindow( QX11Info::display(), outlineTop );
XMapWindow( QX11Info::display(), outlineBottom );
}
void TabBoxHandlerPrivate::hideOutline()
{
XUnmapWindow( QX11Info::display(), outlineLeft );
XUnmapWindow( QX11Info::display(), outlineRight );
XUnmapWindow( QX11Info::display(), outlineTop );
XUnmapWindow( QX11Info::display(), outlineBottom );
}
void TabBoxHandlerPrivate::updateHighlightWindows()
{
if( !isShown || config.tabBoxMode() != TabBoxConfig::ClientTabBox )
return;
QVector< WId > data( 2 );
Display *dpy = QX11Info::display();
const WId wId = view->winId();
data[ 0 ] = wId;
data[ 1 ] = view->clientModel()->data( index, ClientModel::WIdRole ).toULongLong();
if( config.isShowOutline() )
{
data.resize( 6 );
data[ 2 ] = outlineLeft;
data[ 3 ] = outlineTop;
data[ 4 ] = outlineRight;
data[ 5 ] = outlineBottom;
}
Atom atom = XInternAtom(dpy, "_KDE_WINDOW_HIGHLIGHT", False);
XChangeProperty(dpy, wId, atom, atom, 32, PropModeReplace,
reinterpret_cast<unsigned char *>(data.data()), data.size());
}
void TabBoxHandlerPrivate::endHighlightWindows()
{
// highlight windows
Display *dpy = QX11Info::display();
Atom atom = XInternAtom(dpy, "_KDE_WINDOW_HIGHLIGHT", False);
XDeleteProperty( dpy, view->winId(), atom );
}
/***********************************************************
* Based on the implementation of Kopete's
* contaclistlayoutmanager.cpp by Nikolaj Hald Nielsen and
* Roman Jarosz
***********************************************************/
void TabBoxHandlerPrivate::parseConfig( const QString& fileName )
{
// open the file
if( !QFile::exists( fileName ) )
{
kDebug( 1212 ) << "File " << fileName << " does not exist";
return;
}
QDomDocument doc( "Layouts" );
QFile file( fileName );
if( !file.open( QIODevice::ReadOnly ) )
{
kDebug( 1212 ) << "Error reading file " << fileName;
return;
}
if( !doc.setContent( &file ) )
{
kDebug( 1212 ) << "Error parsing file " << fileName;
file.close();
return;
}
file.close();
QDomElement layouts_element = doc.firstChildElement( "tabbox_layouts" );
QDomNodeList layouts = layouts_element.elementsByTagName( "layout" );
for( int i=0; i<layouts.size(); i++ )
{
QDomNode layout = layouts.item( i );
ItemLayoutConfig currentLayout;
// parse top elements
QDomElement element = layout.toElement();
QString layoutName = element.attribute( "name", "" );
const bool highlightIcon = ( element.attribute( "highlight_selected_icon", "true" ).compare( "true", Qt::CaseInsensitive ) == 0 );
currentLayout.setHighlightSelectedIcons( highlightIcon );
const bool grayscaleIcon = ( element.attribute( "grayscale_deselected_icon", "false" ).compare( "true", Qt::CaseInsensitive ) == 0 );
currentLayout.setGrayscaleDeselectedIcons( grayscaleIcon );
// rows
QDomNodeList rows = element.elementsByTagName( "row" );
for( int j=0; j<rows.size(); j++ )
{
QDomNode rowNode = rows.item( j );
ItemLayoutConfigRow row;
QDomNodeList elements = rowNode.toElement().elementsByTagName( "element" );
for( int k=0; k<elements.size(); k++ )
{
QDomNode elementNode = elements.item( k );
QDomElement currentElement = elementNode.toElement();
ItemLayoutConfigRowElement::ElementType type = ItemLayoutConfigRowElement::ElementType(currentElement.attribute(
"type", int( ItemLayoutConfigRowElement::ElementClientName ) ).toInt());
ItemLayoutConfigRowElement currentRowElement;
currentRowElement.setType( type );
// width - used by all types
qreal width = currentElement.attribute( "width", "0.0" ).toDouble();
currentRowElement.setWidth( width );
switch( type )
{
case ItemLayoutConfigRowElement::ElementEmpty:
row.addElement( currentRowElement );
break;
case ItemLayoutConfigRowElement::ElementIcon:
{
qreal iconWidth = currentElement.attribute( "icon_size", "16.0" ).toDouble();
currentRowElement.setIconSize( QSizeF( iconWidth, iconWidth ) );
currentRowElement.setRowSpan( currentElement.attribute( "row_span", "true" ).compare(
"true", Qt::CaseInsensitive ) == 0 );
row.addElement( currentRowElement );
break;
}
case ItemLayoutConfigRowElement::ElementClientList:
{
currentRowElement.setStretch( currentElement.attribute( "stretch", "false" ).compare(
"true", Qt::CaseInsensitive ) == 0 );
currentRowElement.setClientListLayoutName( currentElement.attribute( "layout_name", "" ) );
QString layoutMode = currentElement.attribute( "layout_mode", "horizontal" );
if( layoutMode.compare( "horizontal", Qt::CaseInsensitive ) == 0 )
currentRowElement.setClientListLayoutMode( TabBoxConfig::HorizontalLayout );
else if( layoutMode.compare( "vertical", Qt::CaseInsensitive ) == 0 )
currentRowElement.setClientListLayoutMode( TabBoxConfig::VerticalLayout );
else if( layoutMode.compare( "tabular", Qt::CaseInsensitive ) == 0 )
currentRowElement.setClientListLayoutMode( TabBoxConfig::HorizontalVerticalLayout );
row.addElement( currentRowElement );
break;
}
default: // text elements
{
currentRowElement.setStretch( currentElement.attribute( "stretch", "false" ).compare(
"true", Qt::CaseInsensitive ) == 0 );
currentRowElement.setSmallTextSize( currentElement.attribute( "small", "false" ).compare(
"true", Qt::CaseInsensitive ) == 0 );
currentRowElement.setBold( currentElement.attribute( "bold", "false" ).compare(
"true", Qt::CaseInsensitive ) == 0 );
currentRowElement.setItalic( currentElement.attribute( "italic", "false" ).compare(
"true", Qt::CaseInsensitive ) == 0 );
currentRowElement.setItalicMinimized( currentElement.attribute( "italic_minimized", "true" ).compare(
"true", Qt::CaseInsensitive ) == 0 );
currentRowElement.setPrefix( currentElement.attribute( "prefix", "" ) );
currentRowElement.setSuffix( currentElement.attribute( "suffix", "" ) );
currentRowElement.setPrefixMinimized( currentElement.attribute( "prefix_minimized", "" ) );
currentRowElement.setSuffixMinimzed( currentElement.attribute( "suffix_minimized", "" ) );
QString halign = currentElement.attribute( "horizontal_alignment", "left" );
Qt::Alignment alignment;
if( halign.compare( "left", Qt::CaseInsensitive ) == 0 )
alignment = Qt::AlignLeft;
else if( halign.compare( "right", Qt::CaseInsensitive ) == 0 )
alignment = Qt::AlignRight;
else
alignment = Qt::AlignCenter;
QString valign = currentElement.attribute( "vertical_alignment", "center" );
if( valign.compare( "top", Qt::CaseInsensitive ) == 0 )
alignment = alignment | Qt::AlignTop;
else if( valign.compare( "bottom", Qt::CaseInsensitive ) == 0 )
alignment = alignment | Qt::AlignBottom;
else
alignment = alignment | Qt::AlignVCenter;
currentRowElement.setAlignment( alignment );
row.addElement( currentRowElement );
break;
}// case default
} // switch type
} // for loop elements
currentLayout.addRow( row );
} // for loop rows
if( !layoutName.isEmpty() )
{
tabBoxLayouts.insert( layoutName, currentLayout );
}
} // for loop layouts
}
/***********************************************
* TabBoxHandler
***********************************************/
TabBoxHandler::TabBoxHandler()
: QObject()
{
KWin::TabBox::tabBox = this;
d = new TabBoxHandlerPrivate;
}
TabBoxHandler::~TabBoxHandler()
{
delete d;
}
const KWin::TabBox::TabBoxConfig& TabBoxHandler::config() const
{
return d->config;
}
void TabBoxHandler::setConfig( const TabBoxConfig& config )
{
if( config.layoutName() != d->config.layoutName() )
{
// new item layout config
if( d->tabBoxLayouts.contains( config.layoutName() ) )
{
d->view->clientDelegate()->setConfig( d->tabBoxLayouts.value( config.layoutName() ) );
d->view->desktopDelegate()->setConfig( d->tabBoxLayouts.value( config.layoutName() ) );
}
}
if( config.selectedItemLayoutName() != d->config.selectedItemLayoutName() )
{
// TODO: desktop layouts
if( d->tabBoxLayouts.contains( config.selectedItemLayoutName() ) )
d->view->additionalClientDelegate()->setConfig( d->tabBoxLayouts.value( config.selectedItemLayoutName() ) );
}
d->config = config;
emit configChanged();
}
void TabBoxHandler::show()
{
d->isShown = true;
// show the outline
if( d->config.isShowOutline() )
{
d->updateOutline();
}
if( d->config.isShowTabBox() )
{
d->view->show();
d->view->updateGeometry();
if( d->config.isHighlightWindows() )
{
d->updateHighlightWindows();
}
}
}
void TabBoxHandler::hide()
{
d->isShown = false;
if( d->config.isHighlightWindows() )
{
d->endHighlightWindows();
}
if( d->config.isShowOutline() )
{
d->hideOutline();
}
d->view->hide();
}
QModelIndex TabBoxHandler::nextPrev( bool forward ) const
{
QModelIndex ret;
QAbstractItemModel* model;
switch( d->config.tabBoxMode() )
{
case TabBoxConfig::ClientTabBox:
model = d->clientModel();
break;
case TabBoxConfig::DesktopTabBox:
model = d->desktopModel();
break;
default:
return d->index;
}
if( forward )
{
int column = d->index.column() + 1;
int row = d->index.row();
if( column == model->columnCount() )
{
column = 0;
row++;
if( row == model->rowCount() )
row = 0;
}
ret = model->index( row, column );
if( !ret.isValid() )
ret = model->index( 0, 0 );
}
else
{
int column = d->index.column() - 1;
int row = d->index.row();
if( column < 0 )
{
column = model->columnCount() - 1;
row--;
if( row < 0 )
row = model->rowCount() - 1;
}
ret = model->index( row, column );
if( !ret.isValid() )
{
row = model->rowCount() - 1;
for( int i = model->columnCount() - 1; i >= 0; i-- )
{
ret = model->index( row, i );
if( ret.isValid() )
break;
}
}
}
if( ret.isValid() )
return ret;
else
return d->index;
}
QModelIndex TabBoxHandler::desktopIndex( int desktop ) const
{
if( d->config.tabBoxMode() != TabBoxConfig::DesktopTabBox )
return QModelIndex();
return d->desktopModel()->desktopIndex( desktop );
}
QList< int > TabBoxHandler::desktopList() const
{
if( d->config.tabBoxMode() != TabBoxConfig::DesktopTabBox )
return QList< int >();
return d->desktopModel()->desktopList();
}
int TabBoxHandler::desktop( const QModelIndex& index ) const
{
if( !index.isValid() || (d->config.tabBoxMode() != TabBoxConfig::DesktopTabBox))
return -1;
QVariant ret = d->desktopModel()->data( index, DesktopModel::DesktopRole );
if( ret.isValid() )
return ret.toInt();
else
return -1;
}
int TabBoxHandler::currentSelectedDesktop() const
{
return desktop( d->index );
}
void TabBoxHandler::setCurrentIndex( const QModelIndex& index )
{
d->view->setCurrentIndex( index );
d->index = index;
if( d->config.tabBoxMode() == TabBoxConfig::ClientTabBox )
{
if( d->config.isShowOutline() )
{
d->updateOutline();
}
if( d->config.isShowTabBox() && d->config.isHighlightWindows() )
{
d->updateHighlightWindows();
}
}
}
QModelIndex TabBoxHandler::grabbedKeyEvent( QKeyEvent* event ) const
{
QModelIndex ret;
QAbstractItemModel* model;
switch( d->config.tabBoxMode() )
{
case TabBoxConfig::ClientTabBox:
model = d->clientModel();
break;
case TabBoxConfig::DesktopTabBox:
model = d->desktopModel();
break;
default:
return d->index;
}
int column = d->index.column();
int row = d->index.row();
switch( event->key() )
{
case Qt::Key_Left:
column--;
if( column < 0 )
column = model->columnCount() - 1;
break;
case Qt::Key_Right:
column++;
if( column >= model->columnCount() )
column = 0;
break;
case Qt::Key_Up:
row--;
if( row < 0 )
row = model->rowCount() - 1;
break;
case Qt::Key_Down:
row++;
if( row >= model->rowCount() )
row = 0;
break;
default:
// do not do anything for any other key
break;
}
ret = model->index( row, column );
if( ret.isValid() )
return ret;
else
return d->index;
}
bool TabBoxHandler::containsPos( const QPoint& pos ) const
{
return d->view->geometry().contains( pos );
}
QModelIndex TabBoxHandler::indexAt( const QPoint& pos ) const
{
QPoint widgetPos = d->view->mapFromGlobal( pos );
QModelIndex ret = d->view->indexAt( widgetPos );
return ret;
}
QModelIndex TabBoxHandler::index( KWin::TabBox::TabBoxClient* client ) const
{
return d->clientModel()->index( client );
}
TabBoxClientList TabBoxHandler::clientList() const
{
if( d->config.tabBoxMode() != TabBoxConfig::ClientTabBox )
return TabBoxClientList();
return d->clientModel()->clientList();
}
TabBoxClient* TabBoxHandler::client( const QModelIndex& index ) const
{
if( (!index.isValid()) ||
( d->config.tabBoxMode() != TabBoxConfig::ClientTabBox ) ||
( d->clientModel()->data( index, ClientModel::EmptyRole ).toBool() ) )
return NULL;
TabBoxClient* c = static_cast< TabBoxClient* >(
d->clientModel()->data( index, ClientModel::ClientRole ).value<void *>());
return c;
}
void TabBoxHandler::createModel( bool partialReset )
{
switch( d->config.tabBoxMode() )
{
case TabBoxConfig::ClientTabBox:
d->clientModel()->createClientList( partialReset );
break;
case TabBoxConfig::DesktopTabBox:
d->desktopModel()->createDesktopList();
break;
}
d->view->updateGeometry();
}
QModelIndex TabBoxHandler::first() const
{
QAbstractItemModel* model;
switch( d->config.tabBoxMode() )
{
case TabBoxConfig::ClientTabBox:
model = d->clientModel();
break;
case TabBoxConfig::DesktopTabBox:
model = d->desktopModel();
break;
default:
return QModelIndex();
}
return model->index( 0, 0 );
}
QWidget* TabBoxHandler::tabBoxView() const
{
return d->view;
}
TabBoxHandler* tabBox = 0;
TabBoxClient::TabBoxClient()
{
}
TabBoxClient::~TabBoxClient()
{
}
} // namespace TabBox
} // namespace KWin