A Simple SVG button
svn path=/trunk/KDE/kdebase/workspace/plasma/lib/; revision=639265
This commit is contained in:
Siraj Razick
parent
fa16f5700c
commit
fa94c62ea3
193
widgets/button.cpp
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193
widgets/button.cpp
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/*
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* Copyright (C) 2007 by Siraj Razick <siraj@kdemail.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License version 2 as
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* published by the Free Software Foundation
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*
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* This program 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 Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <QPainter>
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#include <QPalette>
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#include <QTimer>
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#include <QSvgRenderer>
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#include <QGraphicsSceneMouseEvent>
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#include "button.h"
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#include "button.moc"
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#include "theme.h"
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namespace Plasma
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{
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class Button::Private
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{
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public:
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Private() { };
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~Private() { };
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QString labelText;
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QString labelIcon;
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QColor labelTextColor;
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int labelTextOpacity;
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int height;
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int width;
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int radius;
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QTimer * updateTimer;
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ButtonState state;
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};
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Button::Button(QGraphicsItem *parent)
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: Widget(parent),
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d(new Private)
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{
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setDefaultStates();
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}
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Button::~Button()
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{
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delete d;
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}
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void Button::setDefaultStates()
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{
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setAcceptedMouseButtons(Qt::LeftButton);
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setAcceptsHoverEvents(true);
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setEnabled(true);
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d->height = 180;
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d->width = 260 ;
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setPos(QPointF(0.0,0.0));
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d->state= Button::NONE;
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d->labelText=tr("Ok");
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d->labelTextColor= QColor(201,201,255);
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}
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void Button::setText(const QString& text) const
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{
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d->labelText = text;
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}
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QString Button::text()
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{
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return d->labelText;
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}
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void Button::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget )
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{
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Q_UNUSED(widget)
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Q_UNUSED(option)
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painter->setCompositionMode(QPainter::CompositionMode_SourceOver);
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painter->setPen(d->labelTextColor);
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if (d->state == Button::NONE ) {
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drawSVG(painter,"buttonnormalbg");
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painter->drawText(QRectF(x(),y(),d->width,d->height), Qt::AlignCenter, this->text());
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drawSVG(painter,"buttonoverylay");
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}else if (d->state == PRESSED) {
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drawSVG(painter,"buttonnormalbg");
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// drawSVG(painter,"buttonoverylay");
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}else {
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drawSVG(painter,"buttonhoverbg");
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painter->drawText(QRectF(x(),y(),d->width,d->height), Qt::AlignCenter, this->text());
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drawSVG(painter,"buttonoverylay");
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}
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}
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QRectF Button::boundingRect() const
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{
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return QRectF(x(),y(),d->width,d->height);
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}
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void Button::hoverLeaveEvent ( QGraphicsSceneHoverEvent * event )
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{
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d->state = Button::NONE;
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update();
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}
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void Button::hoverEnterEvent ( QGraphicsSceneHoverEvent * event )
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{
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d->state = Button::HOVER;
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update();
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}
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void Button::mousePressEvent ( QGraphicsSceneMouseEvent * event)
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{
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event->accept();
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Button::ButtonState tmp = d->state;
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d->state = PRESSED;
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update();
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d->state = tmp;
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update();
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emit clicked();
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}
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int Button::height()
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{
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return d->height;
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}
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int Button::width()
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{
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return d->width;
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}
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void Button::setHeight(int h)
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{
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prepareGeometryChange ();
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d->height = h;
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update();
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}
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void Button::setWidth(int w)
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{
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prepareGeometryChange ();
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d->width = w;
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update();
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}
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QSize Button::size()
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{
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return QSize(d->width,d->height);
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}
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void Button::setSize(QSize s)
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{
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prepareGeometryChange ();
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d->width = s.width();
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d->height = s.height();
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update();
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}
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void Button::drawOverlay(QPainter * painter)
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{
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//TODO
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//Draw overlay when no SVG was found
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}
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void Button::drawSVG(QPainter * painter , const QString& imageName)
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{
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QString file = Theme().imagePath(imageName);
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if (!file.isEmpty()) {
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QSvgRenderer svgimg(file);
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svgimg.render(painter,this->boundingRect());
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}
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}
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void Button::drawBackDrop(QPainter * painter)
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{
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//TODO
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//Drawbackground when no SVG was found
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}
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} // Plasma namespace
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77
widgets/button.h
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77
widgets/button.h
Normal file
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@ -0,0 +1,77 @@
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/*
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* Copyright (C) 2007 by Siraj Razick <siraj@kdemali.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License version 2 as
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* published by the Free Software Foundation
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*
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* This program 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 Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef BUTTON_H_
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#define BUTTON_H_
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//QT
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#include <QGraphicsItem>
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// KDE
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//Plasma
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#include "widget.h"
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namespace Plasma
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{
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class KDE_EXPORT Button : public Widget
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{
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Q_OBJECT
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public:
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typedef enum {RECT=0,ROUND,COUSTOM} ButtonShape;
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typedef enum {NONE,HOVER,PRESSED,RELEASED} ButtonState;
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Button(QGraphicsItem * parent = 0);
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virtual ~Button();
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void paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0 );
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QRectF boundingRect() const;
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void setText(const QString&) const;
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QString text();
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QSize size();
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void setSize(QSize size);
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void setWidth(int width);
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void setHeight(int height);
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int width();
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int height();
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public slots:
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virtual void data(const DataSource::Data&) {};
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signals:
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void clicked();
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protected:
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/**
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initializer called from constructor
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**/
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void setDefaultStates();
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virtual void hoverLeaveEvent ( QGraphicsSceneHoverEvent * event );
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virtual void hoverEnterEvent ( QGraphicsSceneHoverEvent * event );
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virtual void mousePressEvent ( QGraphicsSceneMouseEvent * event);
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void drawOverlay(QPainter * painter);
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void drawBackDrop(QPainter * patiner);
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void drawSVG(QPainter * painter , const QString & imageName);
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private:
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class Private;
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Private * const d;
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};
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} // Plasma namespace
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#endif
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