124 lines
2.7 KiB
C++
124 lines
2.7 KiB
C++
/*
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* Author - Bertrand Songis <bsongis@gmail.com>
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*
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* Based on th9x -> http://code.google.com/p/th9x/
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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 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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*/
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#ifndef _BUTTONSWIDGET_H_
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#define _BUTTONSWIDGET_H_
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#include <QWidget>
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#include <QtGui>
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#include <QStyleOption>
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class ButtonsWidget : public QWidget
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{
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Q_OBJECT
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public:
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explicit ButtonsWidget(QWidget * parent):
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QWidget(parent)
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{
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}
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virtual void setStyleSheet(const QString & sheet)
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{
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defaultStyleSheet = sheet;
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QWidget::setStyleSheet(sheet);
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}
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void addArea(int x1, int y1, int x2, int y2, int key, const char * bitmap)
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{
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QPolygon polygon;
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polygon.setPoints(4, x1, y1, x1, y2, x2, y2, x2, y1);
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addArea(polygon, key, bitmap);
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}
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void addArea(const QPolygon & polygon, int key, const char * bitmap)
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{
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areas.push_back(Area(polygon, key, bitmap));
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}
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protected:
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class Area {
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public:
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Area(const QPolygon & polygon, int key, const char * bitmap):
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polygon(polygon),
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key(key),
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bitmap(bitmap)
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{
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}
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bool contains(int x, int y)
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{
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return polygon.containsPoint(QPoint(x, y), Qt::OddEvenFill);
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}
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public:
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QPolygon polygon;
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int key;
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const char * bitmap;
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};
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void setBitmap(const char * bitmap)
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{
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if (bitmap) {
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QWidget::setStyleSheet(QString("background:url(:/images/simulator/%1);").arg(bitmap));
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}
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}
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virtual void mousePressEvent(QMouseEvent * event)
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{
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int x = event->x();
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int y = event->y();
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setFocus();
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if (event->button() == Qt::LeftButton) {
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foreach(Area area, areas) {
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if (area.contains(x, y)) {
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setBitmap(area.bitmap);
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emit buttonPressed(area.key);
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break;
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}
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}
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}
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}
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virtual void mouseReleaseEvent(QMouseEvent * event)
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{
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QWidget::setStyleSheet(defaultStyleSheet);
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setFocus();
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emit buttonPressed(0);
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}
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void paintEvent(QPaintEvent *)
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{
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QStyleOption opt;
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opt.init(this);
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QPainter p(this);
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style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
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}
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signals:
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void buttonPressed(int button);
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protected:
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QList<Area> areas;
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QString defaultStyleSheet;
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};
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#endif /* _BUTTONSWIDGET_H_ */
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