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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | e9ae80694875f869892f13f4fcaf1170a00dea41 (patch) | |
tree | aa2f8d8a217e2d376224c8d46b7397b68d35de2d /lib/compatibility/kmdi/qextmdi/kmditaskbar.cpp | |
download | tdewebdev-e9ae80694875f869892f13f4fcaf1170a00dea41.tar.gz tdewebdev-e9ae80694875f869892f13f4fcaf1170a00dea41.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/kdewebdev@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'lib/compatibility/kmdi/qextmdi/kmditaskbar.cpp')
-rw-r--r-- | lib/compatibility/kmdi/qextmdi/kmditaskbar.cpp | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/lib/compatibility/kmdi/qextmdi/kmditaskbar.cpp b/lib/compatibility/kmdi/qextmdi/kmditaskbar.cpp new file mode 100644 index 00000000..2b86c0c8 --- /dev/null +++ b/lib/compatibility/kmdi/qextmdi/kmditaskbar.cpp @@ -0,0 +1,390 @@ +//---------------------------------------------------------------------------- +// filename : kmditaskbar.cpp +//---------------------------------------------------------------------------- +// Project : KDE MDI extension +// +// begin : 07/1999 by Szymon Stefanek as part of kvirc +// (an IRC application) +// changes : 09/1999 by Falk Brettschneider to create an +// - 06/2000 stand-alone Qt extension set of +// classes and a Qt-based library +// 2000-2003 maintained by the KDevelop project +// patches : 02/2000 by Massimo Morin (mmorin@schedsys.com) +// +// copyright : (C) 1999-2003 by Szymon Stefanek (stefanek@tin.it) +// and +// Falk Brettschneider +// email : falkbr@kdevelop.org (Falk Brettschneider) +//---------------------------------------------------------------------------- +// +//---------------------------------------------------------------------------- +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU Library General Public License as +// published by the Free Software Foundation; either version 2 of the +// License, or (at your option) any later version. +// +//---------------------------------------------------------------------------- + +#include "kmditaskbar.h" +#include "kmditaskbar.moc" + +#include "kmdimainfrm.h" +#include "kmdichildview.h" +#include "kmdidefines.h" + +#include <qtooltip.h> +#include <qlabel.h> +#include <qwidget.h> +#include <qstyle.h> + +#include <qnamespace.h> + +/* + @quickhelp: KMdiTaskBar + @widget: Taskbar + This window lists the currently open windows.<br> + Each button corresponds to a single MDI (child) window.<br> + The button is enabled (clickable) when the window is docked , and can be + pressed to bring it to the top of the other docked windows.<br> + The button text becomes red when new output is shown in the window and it is not the active one.<br> +*/ + +//#################################################################### +// +// KMdiTaskBarButton +// +//#################################################################### +KMdiTaskBarButton::KMdiTaskBarButton( KMdiTaskBar *pTaskBar, KMdiChildView *win_ptr ) + : QPushButton( pTaskBar ), + m_actualText( "" ) +{ + setToggleButton( true ); + m_pWindow = win_ptr; + QToolTip::add + ( this, win_ptr->caption() ); + setFocusPolicy( NoFocus ); +} + +KMdiTaskBarButton::~KMdiTaskBarButton() +{} + +void KMdiTaskBarButton::mousePressEvent( QMouseEvent* e ) +{ + switch ( e->button() ) + { + case QMouseEvent::LeftButton: + emit leftMouseButtonClicked( m_pWindow ); + break; + case QMouseEvent::RightButton: + emit rightMouseButtonClicked( m_pWindow ); + break; + default: + break; + } + emit clicked( m_pWindow ); +} + +/** slot version of setText */ +void KMdiTaskBarButton::setNewText( const QString& s ) +{ + setText( s ); + emit buttonTextChanged( 0 ); +} + +void KMdiTaskBarButton::setText( const QString& s ) +{ + m_actualText = s; + QButton::setText( s ); +} + +void KMdiTaskBarButton::fitText( const QString& origStr, int newWidth ) +{ + QButton::setText( m_actualText ); + + int actualWidth = sizeHint().width(); + int realLetterCount = origStr.length(); + int newLetterCount = ( newWidth * realLetterCount ) / actualWidth; + int w = newWidth + 1; + QString s = origStr; + while ( ( w > newWidth ) && ( newLetterCount >= 1 ) ) + { + if ( newLetterCount < realLetterCount ) + { + if ( newLetterCount > 3 ) + s = origStr.left( newLetterCount / 2 ) + "..." + origStr.right( newLetterCount / 2 ); + else + { + if ( newLetterCount > 1 ) + s = origStr.left( newLetterCount ) + ".."; + else + s = origStr.left( 1 ); + } + } + QFontMetrics fm = fontMetrics(); + w = fm.width( s ); + newLetterCount--; + } + + QButton::setText( s ); +} + +QString KMdiTaskBarButton::actualText() const +{ + return m_actualText; +} + +//#################################################################### +// +// KMdiTaskBar +// +//#################################################################### + +KMdiTaskBar::KMdiTaskBar( KMdiMainFrm *parent, QMainWindow::ToolBarDock dock ) + : KToolBar( parent, "KMdiTaskBar", /*honor_style*/ false, /*readConfig*/ true ) + , m_pCurrentFocusedWindow( 0 ) + , m_pStretchSpace( 0 ) + , m_layoutIsPending( false ) + , m_bSwitchedOn( false ) +{ + m_pFrm = parent; + m_pButtonList = new QPtrList<KMdiTaskBarButton>; + m_pButtonList->setAutoDelete( true ); + //QT30 setFontPropagation(QWidget::SameFont); + setMinimumWidth( 1 ); + setFocusPolicy( NoFocus ); + parent->moveToolBar( this, dock ); //XXX obsolete! +} + +KMdiTaskBar::~KMdiTaskBar() +{ + delete m_pButtonList; +} + +KMdiTaskBarButton * KMdiTaskBar::addWinButton( KMdiChildView *win_ptr ) +{ + if ( m_pStretchSpace ) + { + delete m_pStretchSpace; + m_pStretchSpace = 0L; + setStretchableWidget( 0L ); + } + + KMdiTaskBarButton *b = new KMdiTaskBarButton( this, win_ptr ); + QObject::connect( b, SIGNAL( clicked() ), win_ptr, SLOT( setFocus() ) ); + QObject::connect( b, SIGNAL( clicked( KMdiChildView* ) ), this, SLOT( setActiveButton( KMdiChildView* ) ) ); + QObject::connect( b, SIGNAL( leftMouseButtonClicked( KMdiChildView* ) ), m_pFrm, SLOT( activateView( KMdiChildView* ) ) ); + QObject::connect( b, SIGNAL( rightMouseButtonClicked( KMdiChildView* ) ), m_pFrm, SLOT( taskbarButtonRightClicked( KMdiChildView* ) ) ); + QObject::connect( b, SIGNAL( buttonTextChanged( int ) ), this, SLOT( layoutTaskBar( int ) ) ); + m_pButtonList->append( b ); + b->setToggleButton( true ); + b->setText( win_ptr->tabCaption() ); + + layoutTaskBar(); + + m_pStretchSpace = new QLabel( this, "empty" ); + m_pStretchSpace->setText( "" ); + setStretchableWidget( m_pStretchSpace ); + m_pStretchSpace->show(); + + if ( m_bSwitchedOn ) + { + b->show(); + show(); + } + return b; +} + +void KMdiTaskBar::removeWinButton( KMdiChildView *win_ptr, bool haveToLayoutTaskBar ) +{ + KMdiTaskBarButton * b = getButton( win_ptr ); + if ( b ) + { + m_pButtonList->removeRef( b ); + if ( haveToLayoutTaskBar ) + layoutTaskBar(); + } + if ( m_pButtonList->count() == 0 ) + { + if ( m_pStretchSpace != 0L ) + { + delete m_pStretchSpace; + m_pStretchSpace = 0L; + hide(); + } + } +} + +void KMdiTaskBar::switchOn( bool bOn ) +{ + m_bSwitchedOn = bOn; + if ( !bOn ) + { + hide(); + } + else + { + if ( m_pButtonList->count() > 0 ) + { + show(); + } + else + { + hide(); + } + } +} + +KMdiTaskBarButton * KMdiTaskBar::getButton( KMdiChildView *win_ptr ) +{ + for ( KMdiTaskBarButton * b = m_pButtonList->first();b;b = m_pButtonList->next() ) + { + if ( b->m_pWindow == win_ptr ) + return b; + } + return 0; +} + +KMdiTaskBarButton * KMdiTaskBar::getNextWindowButton( bool bRight, KMdiChildView *win_ptr ) +{ + if ( bRight ) + { + for ( KMdiTaskBarButton * b = m_pButtonList->first();b;b = m_pButtonList->next() ) + { + if ( b->m_pWindow == win_ptr ) + { + b = m_pButtonList->next(); + if ( !b ) + b = m_pButtonList->first(); + if ( win_ptr != b->m_pWindow ) + return b; + else + return 0; + } + } + } + else + { + for ( KMdiTaskBarButton * b = m_pButtonList->first();b;b = m_pButtonList->next() ) + { + if ( b->m_pWindow == win_ptr ) + { + b = m_pButtonList->prev(); + if ( !b ) + b = m_pButtonList->last(); + if ( win_ptr != b->m_pWindow ) + return b; + else + return 0; + } + } + } + return 0; +} + +void KMdiTaskBar::setActiveButton( KMdiChildView *win_ptr ) +{ + KMdiTaskBarButton * newPressedButton = 0L; + KMdiTaskBarButton* oldPressedButton = 0L; + for ( KMdiTaskBarButton * b = m_pButtonList->first();b;b = m_pButtonList->next() ) + { + if ( b->m_pWindow == win_ptr ) + newPressedButton = b; + if ( b->m_pWindow == m_pCurrentFocusedWindow ) + oldPressedButton = b; + } + + if ( newPressedButton != 0L && newPressedButton != oldPressedButton ) + { + if ( oldPressedButton != 0L ) + oldPressedButton->toggle(); // switch off + newPressedButton->toggle(); // switch on + m_pCurrentFocusedWindow = win_ptr; + } +} + +void KMdiTaskBar::layoutTaskBar( int taskBarWidth ) +{ + if ( m_layoutIsPending ) + return ; + m_layoutIsPending = true; + + if ( !taskBarWidth ) + // no width is given + taskBarWidth = width(); + + // calculate current width of all taskbar buttons + int allButtonsWidth = 0; + KMdiTaskBarButton *b = 0; + for ( b = m_pButtonList->first();b;b = m_pButtonList->next() ) + { + allButtonsWidth += b->width(); + } + + // calculate actual width of all taskbar buttons + int allButtonsWidthHint = 0; + for ( b = m_pButtonList->first();b;b = m_pButtonList->next() ) + { + QFontMetrics fm = b->fontMetrics(); + QString s = b->actualText(); + QSize sz = fm.size( ShowPrefix, s ); + int w = sz.width() + 6; + int h = sz.height() + sz.height() / 8 + 10; + w += h; + allButtonsWidthHint += w; + } + + // if there's enough space, use actual width + int buttonCount = m_pButtonList->count(); + int tbHandlePixel; + tbHandlePixel = style().pixelMetric( QStyle::PM_DockWindowHandleExtent, this ); + int buttonAreaWidth = taskBarWidth - tbHandlePixel - style().pixelMetric( QStyle::PM_DefaultFrameWidth, this ) - 5; + if ( ( ( allButtonsWidthHint ) <= buttonAreaWidth ) || ( width() < parentWidget() ->width() ) ) + { + for ( b = m_pButtonList->first();b;b = m_pButtonList->next() ) + { + b->setText( b->actualText() ); + if ( b->width() != b->sizeHint().width() ) + { + b->setFixedWidth( b->sizeHint().width() ); + b->show(); + } + } + } + else + { + // too many buttons for actual width + int newButtonWidth; + if ( buttonCount != 0 ) + newButtonWidth = buttonAreaWidth / buttonCount; + else + newButtonWidth = 0; + if ( orientation() == Qt::Vertical ) + newButtonWidth = 80; + if ( newButtonWidth > 0 ) + for ( b = m_pButtonList->first();b;b = m_pButtonList->next() ) + { + b->fitText( b->actualText(), newButtonWidth ); + if ( b->width() != newButtonWidth ) + { + b->setFixedWidth( newButtonWidth ); + b->show(); + } + } + } + m_layoutIsPending = false; +} + +void KMdiTaskBar::resizeEvent( QResizeEvent* rse ) +{ + if ( !m_layoutIsPending ) + { + if ( m_pButtonList->count() != 0 ) + { + layoutTaskBar( rse->size().width() ); + } + } + KToolBar::resizeEvent( rse ); +} + +// kate: space-indent off; tab-width 4; replace-tabs off; indent-mode csands; |