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+/**********************************************************************
+** Copyright (C) 2000 Trolltech AS. All rights reserved.
+**
+** This file is part of Qt Designer.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
+** licenses may use this file in accordance with the Qt Commercial License
+** Agreement provided with the Software.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+** See http://www.trolltech.com/pricing.html or email [email protected] for
+** information about Qt Commercial License Agreements.
+**
+** Contact [email protected] if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#include <qvariant.h> // HP-UX compiler needs this here
+#include "styledbutton.h"
+#include "formwindow.h"
+#include "pixmapchooser.h"
+#include <qcolordialog.h>
+#include <qpalette.h>
+#include <qlabel.h>
+#include <qpainter.h>
+#include <qimage.h>
+#include <qpixmap.h>
+#include <qapplication.h>
+#include <qdragobject.h>
+#include <qstyle.h>
+
+StyledButton::StyledButton(QWidget* parent, const char* name)
+ : QButton( parent, name ), pix( 0 ), spix( 0 ), s( 0 ), formWindow( 0 ), mousePressed( FALSE )
+{
+ setMinimumSize( minimumSizeHint() );
+ setAcceptDrops( TRUE );
+
+ connect( this, SIGNAL(clicked()), SLOT(onEditor()));
+
+ setEditor( ColorEditor );
+}
+
+StyledButton::StyledButton( const QBrush& b, QWidget* parent, const char* name, WFlags f )
+ : QButton( parent, name, f ), spix( 0 ), s( 0 ), formWindow( 0 )
+{
+ col = b.color();
+ pix = b.pixmap();
+ setMinimumSize( minimumSizeHint() );
+}
+
+StyledButton::~StyledButton()
+{
+}
+
+void StyledButton::setEditor( EditorType e )
+{
+ if ( edit == e )
+ return;
+
+ edit = e;
+ update();
+}
+
+StyledButton::EditorType StyledButton::editor() const
+{
+ return edit;
+}
+
+void StyledButton::setColor( const QColor& c )
+{
+ col = c;
+ update();
+}
+
+void StyledButton::setPixmap( const QPixmap & pm )
+{
+ if ( !pm.isNull() ) {
+ delete pix;
+ pix = new QPixmap( pm );
+ } else {
+ delete pix;
+ pix = 0;
+ }
+ scalePixmap();
+}
+
+QColor StyledButton::color() const
+{
+ return col;
+}
+
+QPixmap* StyledButton::pixmap() const
+{
+ return pix;
+}
+
+bool StyledButton::scale() const
+{
+ return s;
+}
+
+void StyledButton::setScale( bool on )
+{
+ if ( s == on )
+ return;
+
+ s = on;
+ scalePixmap();
+}
+
+QSize StyledButton::sizeHint() const
+{
+ return QSize( 50, 25 );
+}
+
+QSize StyledButton::minimumSizeHint() const
+{
+ return QSize( 50, 25 );
+}
+
+void StyledButton::scalePixmap()
+{
+ delete spix;
+
+ if ( pix ) {
+ spix = new QPixmap( 6*width()/8, 6*height()/8 );
+ QImage img = pix->convertToImage();
+
+ spix->convertFromImage( s? img.smoothScale( 6*width()/8, 6*height()/8 ) : img );
+ } else {
+ spix = 0;
+ }
+
+ update();
+}
+
+void StyledButton::resizeEvent( QResizeEvent* e )
+{
+ scalePixmap();
+ QButton::resizeEvent( e );
+}
+
+void StyledButton::drawButton( QPainter *paint )
+{
+ style().drawPrimitive(QStyle::PE_ButtonBevel, paint, rect(), colorGroup(),
+ isDown() ? QStyle::Style_Sunken : QStyle::Style_Raised);
+ drawButtonLabel(paint);
+
+ if (hasFocus())
+ style().drawPrimitive(QStyle::PE_FocusRect, paint,
+ style().subRect(QStyle::SR_PushButtonFocusRect, this),
+ colorGroup(), QStyle::Style_Default);
+}
+
+void StyledButton::drawButtonLabel( QPainter *paint )
+{
+ QColor pen = isEnabled() ?
+ hasFocus() ? palette().active().buttonText() : palette().inactive().buttonText()
+ : palette().disabled().buttonText();
+ paint->setPen( pen );
+
+ if(!isEnabled()) {
+ paint->setBrush( QBrush( colorGroup().button() ) );
+ }
+ else if ( edit == PixmapEditor && spix ) {
+ paint->setBrush( QBrush( col, *spix ) );
+ paint->setBrushOrigin( width()/8, height()/8 );
+ } else
+ paint->setBrush( QBrush( col ) );
+
+ paint->drawRect( width()/8, height()/8, 6*width()/8, 6*height()/8 );
+}
+
+void StyledButton::onEditor()
+{
+ switch (edit) {
+ case ColorEditor: {
+ QColor c = QColorDialog::getColor( palette().active().background(), this );
+ if ( c.isValid() ) {
+ setColor( c );
+ emit changed();
+ }
+ } break;
+ case PixmapEditor: {
+ QPixmap p;
+ if ( pixmap() )
+ p = qChoosePixmap( this, formWindow, *pixmap() );
+ else
+ p = qChoosePixmap( this, formWindow, QPixmap() );
+ if ( !p.isNull() ) {
+ setPixmap( p );
+ emit changed();
+ }
+ } break;
+ default:
+ break;
+ }
+}
+
+void StyledButton::mousePressEvent(QMouseEvent* e)
+{
+ QButton::mousePressEvent(e);
+ mousePressed = TRUE;
+ pressPos = e->pos();
+}
+
+void StyledButton::mouseMoveEvent(QMouseEvent* e)
+{
+ QButton::mouseMoveEvent( e );
+#ifndef QT_NO_DRAGANDDROP
+ if ( !mousePressed )
+ return;
+ if ( ( pressPos - e->pos() ).manhattanLength() > QApplication::startDragDistance() ) {
+ if ( edit == ColorEditor ) {
+ QColorDrag *drg = new QColorDrag( col, this );
+ QPixmap pix( 25, 25 );
+ pix.fill( col );
+ QPainter p( &pix );
+ p.drawRect( 0, 0, pix.width(), pix.height() );
+ p.end();
+ drg->setPixmap( pix );
+ mousePressed = FALSE;
+ drg->dragCopy();
+ }
+ else if ( edit == PixmapEditor && pix && !pix->isNull() ) {
+ QImage img = pix->convertToImage();
+ QImageDrag *drg = new QImageDrag( img, this );
+ if(spix)
+ drg->setPixmap( *spix );
+ mousePressed = FALSE;
+ drg->dragCopy();
+ }
+ }
+#endif
+}
+
+#ifndef QT_NO_DRAGANDDROP
+void StyledButton::dragEnterEvent( QDragEnterEvent *e )
+{
+ setFocus();
+ if ( edit == ColorEditor && QColorDrag::canDecode( e ) )
+ e->accept();
+ else if ( edit == PixmapEditor && QImageDrag::canDecode( e ) )
+ e->accept();
+ else
+ e->ignore();
+}
+
+void StyledButton::dragLeaveEvent( QDragLeaveEvent * )
+{
+ if ( hasFocus() )
+ parentWidget()->setFocus();
+}
+
+void StyledButton::dragMoveEvent( QDragMoveEvent *e )
+{
+ if ( edit == ColorEditor && QColorDrag::canDecode( e ) )
+ e->accept();
+ else if ( edit == PixmapEditor && QImageDrag::canDecode( e ) )
+ e->accept();
+ else
+ e->ignore();
+}
+
+void StyledButton::dropEvent( QDropEvent *e )
+{
+ if ( edit == ColorEditor && QColorDrag::canDecode( e ) ) {
+ QColor color;
+ QColorDrag::decode( e, color );
+ setColor(color);
+ emit changed();
+ e->accept();
+ }
+ else if ( edit == PixmapEditor && QImageDrag::canDecode( e ) ) {
+ QImage img;
+ QImageDrag::decode( e, img );
+ QPixmap pm;
+ pm.convertFromImage(img);
+ setPixmap(pm);
+ emit changed();
+ e->accept();
+ } else {
+ e->ignore();
+ }
+}
+#endif // QT_NO_DRAGANDDROP