diff options
Diffstat (limited to 'chalk/ui/kis_gradient_slider_widget.cc')
-rw-r--r-- | chalk/ui/kis_gradient_slider_widget.cc | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/chalk/ui/kis_gradient_slider_widget.cc b/chalk/ui/kis_gradient_slider_widget.cc deleted file mode 100644 index 255d3847..00000000 --- a/chalk/ui/kis_gradient_slider_widget.cc +++ /dev/null @@ -1,219 +0,0 @@ -/* - * Copyright (c) 2004 Cyrille Berger <cberger@cberger.net> - * 2004 Sven Langkamp <longamp@reallygood.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -#include "kis_gradient_slider_widget.h" - -#include <tqpainter.h> - -#include <kdebug.h> -#include <tdepopupmenu.h> -#include <tdelocale.h> - -#include "kis_autogradient_resource.h" - -#define MARGIN 5 -#define HANDLE_SIZE 10 - -KisGradientSliderWidget::KisGradientSliderWidget(TQWidget *parent, const char* name, WFlags f ) - : TQWidget( parent, name, f), - m_currentSegment(0), - m_selectedSegment(0), - m_drag(0) -{ - setMinimumHeight(30); - - m_segmentMenu = new TDEPopupMenu(); - m_segmentMenu->insertItem(i18n("Split Segment"), SPLIT_SEGMENT); - m_segmentMenu->insertItem(i18n("Duplicate Segment"), DUPLICATE_SEGMENT); - m_segmentMenu->insertItem(i18n("Mirror Segment"), MIRROR_SEGMENT); - m_segmentMenu->insertItem(i18n("Remove Segment"), REMOVE_SEGMENT); - connect( m_segmentMenu, TQT_SIGNAL( activated(int) ), TQT_SLOT( slotMenuAction(int) ) ); -} - -void KisGradientSliderWidget::setGradientResource( KisAutogradientResource* agr) -{ - m_autogradientResource = agr; - m_selectedSegment = m_autogradientResource->segmentAt(0.0); - emit sigSelectedSegment( m_selectedSegment ); -} - -void KisGradientSliderWidget::paintEvent ( TQPaintEvent* pe ) -{ - TQWidget::paintEvent( pe ); - TQPixmap pixmap( width(), height() ); - pixmap.fill( colorGroup().background() ); - TQPainter painter( &pixmap ); - painter.setPen( TQt::black ); - painter.drawRect( MARGIN, MARGIN, width() - 2 * MARGIN, height()- 2 * MARGIN - HANDLE_SIZE ); - if(m_autogradientResource) - { - TQImage img = m_autogradientResource->generatePreview(width()- 2* MARGIN - 2, height()- 2* MARGIN - HANDLE_SIZE - 2); - TQPixmap pixmap(img.width(), img.height()); - if (!img.isNull()) { - m_pixmapIO.putImage(&pixmap, 0, 0, &img); - painter.drawPixmap( MARGIN + 1, MARGIN + 1, pixmap, 0, 0, pixmap.width(), pixmap.height()); - } - - painter.fillRect( MARGIN + 1, height()- MARGIN - HANDLE_SIZE, width() - 2 * MARGIN, HANDLE_SIZE, TQBrush( TQt::white ) ); - if( m_selectedSegment ) - { - TQRect selection( tqRound( m_selectedSegment->startOffset()*(double)(width()- 2 * MARGIN - 2) ) + 6, - height()- HANDLE_SIZE - MARGIN, - tqRound( ( m_selectedSegment->endOffset() - m_selectedSegment->startOffset() )*(double)(width()-12) ), - HANDLE_SIZE ); - painter.fillRect( selection, TQBrush( colorGroup().highlight() ) ); - } - - TQPointArray triangle(3); - TQValueVector<double> handlePositions = m_autogradientResource->getHandlePositions(); - int position; - painter.setBrush( TQBrush( TQt::black) ); - for (uint i = 0; i < handlePositions.count(); i++) - { - position = tqRound( handlePositions[i] * (double)( width()-12) ) + 6; - triangle[0] = TQPoint(position, height() - HANDLE_SIZE - MARGIN ); - triangle[1] = TQPoint(position + (HANDLE_SIZE / 2 - 1), height() - MARGIN ); - triangle[2] = TQPoint(position - (HANDLE_SIZE / 2 - 1), height() - MARGIN ); - painter.drawPolygon(triangle); - } - painter.setBrush( TQBrush( TQt::white ) ); - TQValueVector<double> middleHandlePositions = m_autogradientResource->getMiddleHandlePositions(); - for (uint i = 0; i < middleHandlePositions.count(); i++) - { - position = tqRound( middleHandlePositions[i] * (double)(width()-12) ) + 6; - triangle[0] = TQPoint(position, height()-HANDLE_SIZE - MARGIN); - triangle[1] = TQPoint(position + (HANDLE_SIZE / 2 - 2), height() - MARGIN); - triangle[2] = TQPoint(position - (HANDLE_SIZE / 2 - 2), height() - MARGIN); - painter.drawPolygon(triangle); - } - } - bitBlt( this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(), TQt::CopyROP); -} - -void KisGradientSliderWidget::mousePressEvent( TQMouseEvent * e ) -{ - TQWidget::mousePressEvent( e ); - if( ( e->y() < MARGIN || e->y() > height() - MARGIN ) || ( e->x() < MARGIN || e->x() > width() - MARGIN ) || e-> button() != Qt::LeftButton ) - return; - double t = (double)(e->x() - MARGIN) / (double)(width() - 2 * MARGIN); - KisGradientSegment* segment = 0; - segment = m_autogradientResource->segmentAt(t); - if(segment != 0) - { - m_currentSegment = segment; - TQRect leftHandle( tqRound(m_currentSegment->startOffset() * (double)(width()-2*MARGIN-2)+ MARGIN - (HANDLE_SIZE/2 - 1 )), - height() - HANDLE_SIZE, - HANDLE_SIZE - 1, - HANDLE_SIZE); - TQRect middleHandle( tqRound(m_currentSegment->middleOffset() * (double)(width()-2*MARGIN-2)+ MARGIN - (HANDLE_SIZE/2 -2) ), - height() - HANDLE_SIZE - MARGIN, - HANDLE_SIZE - 1, - HANDLE_SIZE); - TQRect rightHandle( tqRound(m_currentSegment->endOffset() * (double)(width()-2*MARGIN-2)+ MARGIN - (HANDLE_SIZE/2 - 1 )), - height() - HANDLE_SIZE, - HANDLE_SIZE - 1, - HANDLE_SIZE); - // Change the activation order of the handles to avoid deadlocks - if( t > 0.5 ) - { - if( leftHandle.contains( e->pos() ) ) - m_drag = LEFT_DRAG; - else if( middleHandle.contains( e->pos() ) ) - m_drag = MIDDLE_DRAG; - else if( rightHandle.contains( e->pos() ) ) - m_drag = RIGHT_DRAG; - } - else - { - if( rightHandle.contains( e->pos() ) ) - m_drag = RIGHT_DRAG; - else if( middleHandle.contains( e->pos() ) ) - m_drag = MIDDLE_DRAG; - else if( leftHandle.contains( e->pos() ) ) - m_drag = LEFT_DRAG; - } - - if( m_drag == NO_DRAG ) - { - m_selectedSegment = m_currentSegment; - emit sigSelectedSegment( m_selectedSegment ); - } - } - repaint(false); -} - -void KisGradientSliderWidget::mouseReleaseEvent ( TQMouseEvent * e ) -{ - TQWidget::mouseReleaseEvent( e ); - m_drag = NO_DRAG; -} - -void KisGradientSliderWidget::mouseMoveEvent( TQMouseEvent * e ) -{ - TQWidget::mouseMoveEvent( e ); - if( ( e->y() < MARGIN || e->y() > height() - MARGIN ) || ( e->x() < MARGIN || e->x() > width() - MARGIN ) ) - return; - double t = (double)(e->x() - MARGIN) / (double)(width() - 2 * MARGIN); - switch( m_drag ) - { - case RIGHT_DRAG: - m_autogradientResource->moveSegmentEndOffset( m_currentSegment, t ); - break; - case LEFT_DRAG: - m_autogradientResource->moveSegmentStartOffset( m_currentSegment, t ); - break; - case MIDDLE_DRAG: - m_autogradientResource->moveSegmentMiddleOffset( m_currentSegment, t ); - break; - } - - if ( m_drag != NO_DRAG) - emit sigChangedSegment( m_currentSegment ); - - repaint(false); -} - -void KisGradientSliderWidget::contextMenuEvent( TQContextMenuEvent * e ) -{ - m_segmentMenu->setItemEnabled( REMOVE_SEGMENT, m_autogradientResource->removeSegmentPossible() ); - m_segmentMenu->popup( e->globalPos()); -} - -void KisGradientSliderWidget::slotMenuAction( int id ) -{ - switch( id ) - { - case SPLIT_SEGMENT: - m_autogradientResource->splitSegment( m_selectedSegment ); - break; - case DUPLICATE_SEGMENT: - m_autogradientResource->duplicateSegment( m_selectedSegment ); - break; - case MIRROR_SEGMENT: - m_autogradientResource->mirrorSegment( m_selectedSegment ); - break; - case REMOVE_SEGMENT: - m_selectedSegment = m_autogradientResource->removeSegment( m_selectedSegment ); - break; - } - emit sigSelectedSegment( m_selectedSegment ); - repaint(false); -} - -#include "kis_gradient_slider_widget.moc" |