Jim Evins
b797d13e40
- All glabels code is in "glabels" top-level namespace. - Other assorted cleanup.
126 lines
2.7 KiB
C++
126 lines
2.7 KiB
C++
/* ColorPaletteButtonItem.cpp
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*
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* Copyright (C) 2014 Jim Evins <evins@snaught.com>
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*
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* This file is part of gLabels-qt.
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*
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* gLabels-qt is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* gLabels-qt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "ColorPaletteButtonItem.h"
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#include <QMouseEvent>
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#include <QPainter>
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namespace glabels
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{
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//
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// Private
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//
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namespace
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{
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const int border = 4;
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const int hBox = 25;
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const int outlineWidthPixels = 1;
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}
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///
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/// Constructor From Data
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///
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ColorPaletteButtonItem::ColorPaletteButtonItem( const QString& text, QWidget* parent )
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: QWidget(parent), mText(text), mHover(false)
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{
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setSizePolicy( QSizePolicy( QSizePolicy::Preferred, QSizePolicy::Fixed ) );
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setMinimumSize( hBox+2*border+1, hBox+2*border+1 );
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}
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///
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/// Paint Event
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///
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void ColorPaletteButtonItem::paintEvent( QPaintEvent* event )
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{
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QPainter painter(this);
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//
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// Draw background
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//
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if ( isEnabled() && mHover )
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{
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QLinearGradient gradient( 0, 0, 0, height() );
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gradient.setColorAt( 0, palette().color( QPalette::Highlight ).lighter() );
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gradient.setColorAt( 1, palette().color( QPalette::Highlight ) );
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painter.setBrush( QBrush( gradient ) );
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QPen pen( palette().color( QPalette::Text ) );
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pen.setWidth( outlineWidthPixels );
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painter.setPen( pen );
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painter.drawRect( 0, 0, width()-1, height()-1 );
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}
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//
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// Draw text
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//
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painter.setBrush( QBrush( Qt::NoBrush ) );
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if ( isEnabled() && mHover )
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{
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painter.setPen( QPen( palette().color( QPalette::HighlightedText ) ) );
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}
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else
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{
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painter.setPen( QPen( palette().color( QPalette::Text ) ) );
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}
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QRect textRect( border, border, width()-2*border, hBox );
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painter.drawText( textRect, Qt::AlignLeft|Qt::AlignVCenter, mText );
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}
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///
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/// Enter Event
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///
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void ColorPaletteButtonItem::enterEvent( QEvent* event )
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{
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mHover = true;
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update();
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}
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///
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/// Leave Event
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///
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void ColorPaletteButtonItem::leaveEvent( QEvent* event )
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{
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mHover = false;
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update();
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}
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///
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/// Mouse Press Event
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///
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void ColorPaletteButtonItem::mousePressEvent( QMouseEvent* event )
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{
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emit activated();
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}
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}
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