Jim Evins
171 lines
3.5 KiB
C++
171 lines
3.5 KiB
C++
/* ColorPaletteItem.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 "ColorPaletteItem.h"
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#include <QPainter>
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#include <QMouseEvent>
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//
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// Private Configuration Data
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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 wSwatch = 25;
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const int hSwatch = 25;
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const QColor hoverBgOutlineColor( 89, 130, 182 );
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const QColor hoverBgGradientColor0( 164, 195, 232 );
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const QColor hoverBgGradientColor1( 147, 181, 224 );
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const int hoverBgOutlineWidthPixels = 1;
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const QColor outlineColor( 0, 0, 0 );
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const QColor hoverOutlineColor( 255, 255, 255 );
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const QColor emptyOutlineColor( 192, 192, 192 );
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const int outlineWidthPixels = 1;
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}
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namespace glabels
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{
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///
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/// Constructor From Data
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///
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ColorPaletteItem::ColorPaletteItem( int id,
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const QColor& color,
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const QString& tip,
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QWidget* parent )
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: QWidget(parent), mId(id), mColor(color), mTip(tip), mHover(false)
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{
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setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) );
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setMinimumSize( wSwatch+2*border+1, hSwatch+2*border+1 );
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setToolTip( tip );
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}
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///
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/// Color Property Setter
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///
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void ColorPaletteItem::setColor( int id,
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const QColor& color,
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const QString& tip )
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{
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mId = id;
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mColor = color;
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mTip = tip;
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setToolTip( tip );
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update();
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}
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///
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/// Paint Event
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///
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void ColorPaletteItem::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, hoverBgGradientColor0 );
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gradient.setColorAt( 1, hoverBgGradientColor1 );
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painter.setBrush( QBrush( gradient ) );
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QPen pen( hoverBgOutlineColor );
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pen.setWidth( hoverBgOutlineWidthPixels );
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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 swatch
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//
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painter.setBrush( QBrush( Qt::NoBrush ) );
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if ( isEnabled() )
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{
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if ( mHover )
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{
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QPen pen( hoverOutlineColor );
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pen.setWidth( outlineWidthPixels );
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painter.setPen( pen );
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}
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else
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{
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QPen pen( outlineColor );
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pen.setWidth( outlineWidthPixels );
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painter.setPen( pen );
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}
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}
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else
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{
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QPen pen( emptyOutlineColor );
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pen.setWidth( outlineWidthPixels );
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painter.setPen( pen );
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}
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painter.setBrush( QBrush( mColor ) );
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painter.drawRect( border, border, wSwatch, hSwatch );
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}
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///
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/// Enter Event
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///
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void ColorPaletteItem::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 ColorPaletteItem::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 ColorPaletteItem::mousePressEvent( QMouseEvent* event )
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{
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emit activated( mId );
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}
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}
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