Some tweaking of ColorPaletteDialog.

2015-08-18 20:58:55 -04:00
parent a2504036e8
commit c90c2f8236
9 changed files with 309 additions and 42 deletions
@@ -0,0 +1,130 @@
+/*  ColorPaletteButtonItem.cpp
+ *
+ *  Copyright (C) 2014  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt 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 gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ColorPaletteButtonItem.h"
+
+
+#include <QPainter>
+
+
+//
+// Private Configuration Data
+//
+namespace
+{
+	const int     border = 4;
+	const int     hBox = 25;
+        const QColor  hoverOutlineColor( 89, 130, 182 );
+        const QColor  hoverGradientColor0( 164, 195, 232 );
+        const QColor  hoverGradientColor1( 147, 181, 224 );
+	const int     outlineWidthPixels = 1;
+        const QColor  textColor( 0, 0, 0 );
+        const QColor  hoverTextColor( 255, 255, 255 );
+}
+
+
+namespace glabels
+{
+
+	///
+	/// Constructor From Data
+	///
+	ColorPaletteButtonItem::ColorPaletteButtonItem( const QString& text, QWidget* parent )
+		: QWidget(parent), mText(text), mHover(false)
+	{
+		setSizePolicy( QSizePolicy( QSizePolicy::Preferred, QSizePolicy::Fixed ) );
+		setMinimumSize( hBox+2*border+1, hBox+2*border+1 );
+	}
+
+
+	///
+	/// Paint Event
+	///
+	void ColorPaletteButtonItem::paintEvent( QPaintEvent* event )
+	{
+		QPainter painter(this);
+
+		//
+		// Draw background
+		//
+		if ( mHover )
+		{
+			QLinearGradient gradient( 0, 0, 0, height() );
+			gradient.setColorAt( 0, hoverGradientColor0 );
+			gradient.setColorAt( 1, hoverGradientColor1 );
+			painter.setBrush( QBrush( gradient ) );
+
+			QPen pen( hoverOutlineColor );
+			pen.setWidth( outlineWidthPixels );
+			painter.setPen( pen );
+
+			painter.drawRect( 0, 0, width()-1, height()-1 );
+		}
+
+		//
+		// Draw text
+		//
+		painter.setBrush( QBrush( Qt::NoBrush ) );
+
+		if ( mHover )
+		{
+			painter.setPen( QPen( hoverTextColor ) );
+		}
+		else
+		{
+			painter.setPen( QPen( textColor ) );
+		}
+
+		QRect textRect( border, border, width()-2*border, hBox );
+
+		painter.drawText( textRect, Qt::AlignLeft|Qt::AlignVCenter, mText );
+	}
+
+
+	///
+	/// Enter Event
+	///
+	void ColorPaletteButtonItem::enterEvent( QEvent* event )
+	{
+		mHover = true;
+		update();
+	}
+
+
+	///
+	/// Leave Event
+	///
+	void ColorPaletteButtonItem::leaveEvent( QEvent* event )
+	{
+		mHover = false;
+		update();
+	}
+
+	
+	///
+	/// Mouse Press Event
+	///
+	void ColorPaletteButtonItem::mousePressEvent( QMouseEvent* event )
+	{
+		emit activated();
+	}
+
+}
+