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303 lines
7.1 KiB
303 lines
7.1 KiB
/**********************************************************************
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** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of Qt Designer.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include <qvariant.h> // HP-UX compiler needs this here
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#include "styledbutton.h"
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#include "formwindow.h"
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#include "pixmapchooser.h"
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#include <qcolordialog.h>
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#include <qpalette.h>
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#include <qlabel.h>
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#include <qpainter.h>
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#include <qimage.h>
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#include <qpixmap.h>
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#include <qapplication.h>
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#include <qdragobject.h>
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#include <qstyle.h>
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StyledButton::StyledButton(QWidget* parent, const char* name)
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: QButton( parent, name ), pix( 0 ), spix( 0 ), s( 0 ), formWindow( 0 ), mousePressed( FALSE )
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{
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setMinimumSize( minimumSizeHint() );
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setAcceptDrops( TRUE );
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connect( this, SIGNAL(clicked()), SLOT(onEditor()));
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setEditor( ColorEditor );
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}
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StyledButton::StyledButton( const QBrush& b, QWidget* parent, const char* name, WFlags f )
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: QButton( parent, name, f ), spix( 0 ), s( 0 ), formWindow( 0 )
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{
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col = b.color();
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pix = b.pixmap();
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setMinimumSize( minimumSizeHint() );
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}
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StyledButton::~StyledButton()
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{
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}
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void StyledButton::setEditor( EditorType e )
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{
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if ( edit == e )
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return;
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edit = e;
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update();
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}
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StyledButton::EditorType StyledButton::editor() const
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{
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return edit;
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}
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void StyledButton::setColor( const QColor& c )
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{
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col = c;
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update();
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}
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void StyledButton::setPixmap( const QPixmap & pm )
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{
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if ( !pm.isNull() ) {
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delete pix;
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pix = new QPixmap( pm );
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} else {
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delete pix;
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pix = 0;
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}
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scalePixmap();
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}
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QColor StyledButton::color() const
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{
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return col;
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}
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QPixmap* StyledButton::pixmap() const
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{
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return pix;
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}
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bool StyledButton::scale() const
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{
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return s;
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}
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void StyledButton::setScale( bool on )
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{
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if ( s == on )
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return;
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s = on;
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scalePixmap();
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}
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QSize StyledButton::sizeHint() const
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{
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return QSize( 50, 25 );
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}
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QSize StyledButton::minimumSizeHint() const
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{
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return QSize( 50, 25 );
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}
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void StyledButton::scalePixmap()
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{
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delete spix;
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if ( pix ) {
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spix = new QPixmap( 6*width()/8, 6*height()/8 );
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QImage img = pix->convertToImage();
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spix->convertFromImage( s? img.smoothScale( 6*width()/8, 6*height()/8 ) : img );
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} else {
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spix = 0;
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}
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update();
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}
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void StyledButton::resizeEvent( QResizeEvent* e )
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{
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scalePixmap();
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QButton::resizeEvent( e );
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}
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void StyledButton::drawButton( QPainter *paint )
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{
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style().drawPrimitive(QStyle::PE_ButtonBevel, paint, rect(), colorGroup(),
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isDown() ? QStyle::Style_Sunken : QStyle::Style_Raised);
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drawButtonLabel(paint);
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if (hasFocus())
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style().drawPrimitive(QStyle::PE_FocusRect, paint,
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style().subRect(QStyle::SR_PushButtonFocusRect, this),
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colorGroup(), QStyle::Style_Default);
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}
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void StyledButton::drawButtonLabel( QPainter *paint )
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{
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QColor pen = isEnabled() ?
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hasFocus() ? palette().active().buttonText() : palette().inactive().buttonText()
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: palette().disabled().buttonText();
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paint->setPen( pen );
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if(!isEnabled()) {
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paint->setBrush( QBrush( colorGroup().button() ) );
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}
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else if ( edit == PixmapEditor && spix ) {
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paint->setBrush( QBrush( col, *spix ) );
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paint->setBrushOrigin( width()/8, height()/8 );
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} else
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paint->setBrush( QBrush( col ) );
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paint->drawRect( width()/8, height()/8, 6*width()/8, 6*height()/8 );
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}
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void StyledButton::onEditor()
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{
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switch (edit) {
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case ColorEditor: {
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QColor c = QColorDialog::getColor( palette().active().background(), this );
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if ( c.isValid() ) {
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setColor( c );
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emit changed();
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}
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} break;
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case PixmapEditor: {
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QPixmap p;
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if ( pixmap() )
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p = qChoosePixmap( this, formWindow, *pixmap() );
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else
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p = qChoosePixmap( this, formWindow, QPixmap() );
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if ( !p.isNull() ) {
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setPixmap( p );
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emit changed();
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}
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} break;
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default:
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break;
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}
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}
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void StyledButton::mousePressEvent(QMouseEvent* e)
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{
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QButton::mousePressEvent(e);
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mousePressed = TRUE;
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pressPos = e->pos();
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}
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void StyledButton::mouseMoveEvent(QMouseEvent* e)
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{
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QButton::mouseMoveEvent( e );
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#ifndef QT_NO_DRAGANDDROP
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if ( !mousePressed )
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return;
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if ( ( pressPos - e->pos() ).manhattanLength() > QApplication::startDragDistance() ) {
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if ( edit == ColorEditor ) {
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QColorDrag *drg = new QColorDrag( col, this );
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QPixmap pix( 25, 25 );
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pix.fill( col );
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QPainter p( &pix );
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p.drawRect( 0, 0, pix.width(), pix.height() );
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p.end();
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drg->setPixmap( pix );
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mousePressed = FALSE;
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drg->dragCopy();
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}
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else if ( edit == PixmapEditor && pix && !pix->isNull() ) {
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QImage img = pix->convertToImage();
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QImageDrag *drg = new QImageDrag( img, this );
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if(spix)
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drg->setPixmap( *spix );
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mousePressed = FALSE;
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drg->dragCopy();
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}
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}
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#endif
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}
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#ifndef QT_NO_DRAGANDDROP
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void StyledButton::dragEnterEvent( QDragEnterEvent *e )
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{
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setFocus();
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if ( edit == ColorEditor && QColorDrag::canDecode( e ) )
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e->accept();
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else if ( edit == PixmapEditor && QImageDrag::canDecode( e ) )
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e->accept();
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else
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e->ignore();
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}
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void StyledButton::dragLeaveEvent( QDragLeaveEvent * )
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{
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if ( hasFocus() )
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parentWidget()->setFocus();
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}
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void StyledButton::dragMoveEvent( QDragMoveEvent *e )
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{
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if ( edit == ColorEditor && QColorDrag::canDecode( e ) )
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e->accept();
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else if ( edit == PixmapEditor && QImageDrag::canDecode( e ) )
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e->accept();
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else
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e->ignore();
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}
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void StyledButton::dropEvent( QDropEvent *e )
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{
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if ( edit == ColorEditor && QColorDrag::canDecode( e ) ) {
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QColor color;
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QColorDrag::decode( e, color );
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setColor(color);
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emit changed();
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e->accept();
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}
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else if ( edit == PixmapEditor && QImageDrag::canDecode( e ) ) {
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QImage img;
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QImageDrag::decode( e, img );
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QPixmap pm;
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pm.convertFromImage(img);
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setPixmap(pm);
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emit changed();
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e->accept();
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} else {
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e->ignore();
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}
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}
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#endif // QT_NO_DRAGANDDROP
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