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diff --git a/lib/compatibility/kmdi/qextmdi/kmditaskbar.cpp b/lib/compatibility/kmdi/qextmdi/kmditaskbar.cpp
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+//----------------------------------------------------------------------------
+// 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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 21:52:13 +0000