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//===========================================
// Lumina-desktop source code
// Copyright (c) 2017, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "glw-base.h"
#include "glw-widget.h"
GLW_Base::GLW_Base(QWidget *parent, Qt::WindowFlags f) : QOpenGLWidget(parent,f){
bg_color = QColor(Qt::black);
}
GLW_Base::~GLW_Base(){
}
// --- PUBLIC SLOTS ---
void GLW_Base::setBackgroundColor(QColor color){
bg_color = color;
this->update(); //repaint the entire widget (just in case you can see through the image)
}
void GLW_Base::setBackground(QRect geom, QImage img){
QPainter P(&bg_img);
P.drawImage(geom, img);
this->update();
}
void GLW_Base::repaintArea(QRect rect){
paintEvent(new QPaintEvent(rect));
}
// --- PROTECTED ---
void GLW_Base::resizeEvent(QResizeEvent *ev){
QOpenGLWidget::resizeEvent(ev);
if(!bg_img.isNull()){
bg_img = bg_img.scaled(ev->size(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
}
emit BaseResized();
}
void GLW_Base::paintEvent(QPaintEvent *ev){
QStylePainter painter(this);
painter.setClipRegion(ev->rect());
//Fill in the background color first
painter.fillRect(ev->rect(), bg_color);
//Now paint any background image over that
painter.drawImage(ev->rect(), bg_img, ev->rect(), Qt::AutoColor | Qt::PreferDither | Qt::NoOpaqueDetection);
//Now find any children widgets and paint them if they are in that area
QObjectList child = this->children(); //Note: This is returned in stacking order (lowest -> highest)
for(int i=0; i<child.length(); i++){
if( !child[i]->isWidgetType() ){ continue; } //not a widget
GLW_Widget *glww = qobject_cast<GLW_Widget*>(child[i]);
if(glww!=0){
if(ev->rect().contains(glww->widgetRect())){
glww->paintYourself(&painter, ev);
glww->paintChildren(&painter,ev);
}
}
}
}
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