diff options
Diffstat (limited to 'kmdi/kmdichildfrmcaption.cpp')
| -rw-r--r-- | kmdi/kmdichildfrmcaption.cpp | 322 |
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; |