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/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 322 insertions, 0 deletions

diff --git a/kmdi/kmdichildfrmcaption.cpp b/kmdi/kmdichildfrmcaption.cpp
new file mode 100644
index 000000000..815d07d44
--- /dev/null
+++ b/kmdi/kmdichildfrmcaption.cpp
@@ -0,0 +1,322 @@
+//----------------------------------------------------------------------------
+//    filename             : kmdichildfrmcaption.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
+//
+//    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 "kmdichildfrmcaption.h"
+#include "kmdichildfrmcaption.moc"
+
+#include <qpainter.h>
+#include <qapplication.h>
+#include <qcursor.h>
+#include <qtoolbutton.h>
+#include <qpopupmenu.h>
+
+#include "kmdidefines.h"
+#include "kmdichildfrm.h"
+#include "kmdichildarea.h"
+#include "kmdimainfrm.h"
+#include <klocale.h>
+#include <iostream>
+
+#ifdef Q_WS_WIN 
+//TODO: one day gradient can be added for win98/winnt5+
+// ask system properties on windows
+#ifndef SPI_GETGRADIENTCAPTIONS
+# define SPI_GETGRADIENTCAPTIONS 0x1008
+#endif
+#ifndef COLOR_GRADIENTACTIVECAPTION
+# define COLOR_GRADIENTACTIVECAPTION 27
+#endif
+#ifndef COLOR_GRADIENTINACTIVECAPTION
+# define COLOR_GRADIENTINACTIVECAPTION 28
+#endif
+#endif 
+//#endif
+
+//////////////////////////////////////////////////////////////////////////////
+// Class   : KMdiChildFrmCaption
+// Purpose : An MDI label that draws the title
+//
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//============== KMdiChildFrmCaption =============//
+
+KMdiChildFrmCaption::KMdiChildFrmCaption( KMdiChildFrm *parent )
+		: QWidget( parent, "kmdi_childfrmcaption" )
+{
+	m_szCaption = i18n( "Unnamed" );
+	m_bActive = false;
+	m_pParent = parent;
+	setBackgroundMode( NoBackground );
+	setFocusPolicy( NoFocus );
+	m_bChildInDrag = false;
+}
+
+//============== ~KMdiChildFrmCaption =============//
+
+KMdiChildFrmCaption::~KMdiChildFrmCaption()
+{}
+
+//============= mousePressEvent ==============//
+
+void KMdiChildFrmCaption::mousePressEvent( QMouseEvent *e )
+{
+	if ( e->button() == LeftButton )
+	{
+		setMouseTracking( false );
+		if ( KMdiMainFrm::frameDecorOfAttachedViews() != KMdi::Win95Look )
+		{
+			QApplication::setOverrideCursor( Qt::sizeAllCursor, true );
+		}
+		m_pParent->m_bDragging = true;
+		m_offset = mapToParent( e->pos() );
+	}
+	else if ( e->button() == RightButton )
+	{
+		m_pParent->systemMenu()->popup( mapToGlobal( e->pos() ) );
+	}
+}
+
+//============= mouseReleaseEvent ============//
+
+void KMdiChildFrmCaption::mouseReleaseEvent( QMouseEvent *e )
+{
+	if ( e->button() == LeftButton )
+	{
+		if ( KMdiMainFrm::frameDecorOfAttachedViews() != KMdi::Win95Look )
+			QApplication::restoreOverrideCursor();
+		
+		releaseMouse();
+		if ( m_pParent->m_bDragging )
+		{
+			m_pParent->m_bDragging = false;
+			if ( m_bChildInDrag )
+			{
+				//notify child view
+				KMdiChildFrmDragEndEvent ue( e );
+				if ( m_pParent->m_pClient != 0L )
+					QApplication::sendEvent( m_pParent->m_pClient, &ue );
+				
+				m_bChildInDrag = false;
+			}
+		}
+	}
+}
+
+//============== mouseMoveEvent =============//
+void KMdiChildFrmCaption::mouseMoveEvent( QMouseEvent *e )
+{
+	if ( !m_pParent->m_bDragging )
+		return ;
+
+	if ( !m_bChildInDrag )
+	{
+		//notify child view
+		KMdiChildFrmDragBeginEvent ue( e );
+		if ( m_pParent->m_pClient != 0L )
+			QApplication::sendEvent( m_pParent->m_pClient, &ue );
+		
+		m_bChildInDrag = true;
+	}
+
+	QPoint relMousePosInChildArea = m_pParent->m_pManager->mapFromGlobal( e->globalPos() );
+
+	// mouse out of child area? stop child frame dragging
+	if ( !m_pParent->m_pManager->rect().contains( relMousePosInChildArea ) )
+	{
+		if ( relMousePosInChildArea.x() < 0 )
+			relMousePosInChildArea.rx() = 0;
+		
+		if ( relMousePosInChildArea.y() < 0 )
+			relMousePosInChildArea.ry() = 0;
+		
+		if ( relMousePosInChildArea.x() > m_pParent->m_pManager->width() )
+			relMousePosInChildArea.rx() = m_pParent->m_pManager->width();
+		
+		if ( relMousePosInChildArea.y() > m_pParent->m_pManager->height() )
+			relMousePosInChildArea.ry() = m_pParent->m_pManager->height();
+	}
+	QPoint mousePosInChildArea = relMousePosInChildArea - m_offset;
+
+	// set new child frame position
+	parentWidget() ->move( mousePosInChildArea );
+}
+
+//=============== setActive ===============//
+
+void KMdiChildFrmCaption::setActive( bool bActive )
+{
+	if ( m_bActive == bActive )
+		return ;
+
+	//    Ensure the icon's pixmap has the correct bg color
+	m_pParent->m_pWinIcon->setBackgroundColor( bActive ?
+	                                           m_pParent->m_pManager->m_captionActiveBackColor :
+	                                           m_pParent->m_pManager->m_captionInactiveBackColor );
+	m_pParent->m_pUnixIcon->setBackgroundColor( bActive ?
+	                                            m_pParent->m_pManager->m_captionActiveBackColor :
+	                                            m_pParent->m_pManager->m_captionInactiveBackColor );
+
+	m_bActive = bActive;
+	repaint( false );
+}
+
+//=============== setCaption ===============//
+
+void KMdiChildFrmCaption::setCaption( const QString& text )
+{
+	m_szCaption = text;
+	repaint( false );
+}
+
+//============== heightHint ===============//
+
+int KMdiChildFrmCaption::heightHint()
+{
+	int hint = m_pParent->m_pManager->m_captionFontLineSpacing + 3;
+	if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::Win95Look )
+	{
+		if ( hint < 18 )
+			hint = 18;
+	}
+	else if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::KDE1Look )
+	{
+		if ( hint < 20 )
+			hint = 20;
+	}
+	else if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::KDELook )
+	{
+		if ( hint < 16 )
+			hint = 16;
+	}
+	else
+	{   // kde2laptop look
+		hint -= 4;
+		if ( hint < 14 )
+			hint = 14;
+	}
+	return hint;
+}
+
+//=============== paintEvent ==============//
+
+void KMdiChildFrmCaption::paintEvent( QPaintEvent * )
+{
+	QPainter p( this );
+	QRect r = rect();
+	p.setFont( m_pParent->m_pManager->m_captionFont );
+	
+	if ( m_bActive )
+	{
+		p.fillRect( r, m_pParent->m_pManager->m_captionActiveBackColor );
+		p.setPen( m_pParent->m_pManager->m_captionActiveForeColor );
+	}
+	else
+	{
+		p.fillRect( r, m_pParent->m_pManager->m_captionInactiveBackColor );
+		p.setPen( m_pParent->m_pManager->m_captionInactiveForeColor );
+	}
+	
+	//Shift the text after the icon
+	if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::Win95Look )
+		r.setLeft( r.left() + m_pParent->icon() ->width() + 3 );
+	else if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::KDE1Look )
+		r.setLeft( r.left() + 22 );
+	else if ( KMdiMainFrm::frameDecorOfAttachedViews() == KMdi::KDELook )
+		r.setLeft( r.left() + m_pParent->icon() ->width() + 3 );
+	else  // kde2laptop look
+		r.setLeft( r.left() + 30 );
+
+	int captionWidthForText = width() - 4 * m_pParent->m_pClose->width() - m_pParent->icon() ->width() - 5;
+	QString text = abbreviateText( m_szCaption, captionWidthForText );
+	p.drawText( r, AlignVCenter | AlignLeft | SingleLine, text );
+
+}
+
+
+QString KMdiChildFrmCaption::abbreviateText( QString origStr, int maxWidth )
+{
+	QFontMetrics fm = fontMetrics();
+	int actualWidth = fm.width( origStr );
+
+	int realLetterCount = origStr.length();
+	int newLetterCount;
+	
+	if ( actualWidth != 0 )
+		newLetterCount = ( maxWidth * realLetterCount ) / actualWidth;
+	else
+		newLetterCount = realLetterCount; // should be 0 anyway
+
+	int w = maxWidth + 1;
+	QString s = origStr;
+	
+	if ( newLetterCount <= 0 )
+		s = "";
+	
+	while ( ( w > maxWidth ) && ( 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--;
+	}
+	return s;
+}
+
+//============= mouseDoubleClickEvent ===========//
+
+void KMdiChildFrmCaption::mouseDoubleClickEvent( QMouseEvent * )
+{
+	m_pParent->maximizePressed();
+}
+
+//============= slot_moveViaSystemMenu ===========//
+
+void KMdiChildFrmCaption::slot_moveViaSystemMenu()
+{
+	setMouseTracking( true );
+	grabMouse();
+	
+	if ( KMdiMainFrm::frameDecorOfAttachedViews() != KMdi::Win95Look )
+		QApplication::setOverrideCursor( Qt::sizeAllCursor, true );
+	
+	m_pParent->m_bDragging = true;
+	m_offset = mapFromGlobal( QCursor::pos() );
+}
+
+// kate: space-indent off; replace-tabs off; indent-mode csands; tab-width 4;