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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-widget.h"
#include <QDebug>
// --- PUBLIC ---
GLW_Widget::GLW_Widget(QWidget *parent, Qt::WindowFlags f) : QWidget(parent, f){
glw_base = 0;
this->setMouseTracking(true);
}
GLW_Widget::~GLW_Widget(){
}
QRect GLW_Widget::widgetRect(){
QPoint pos = this->mapTo(glw_base, QPoint(0,0));
return QRect(pos, this->size());
}
bool GLW_Widget::mouseOverWidget(){
QPoint pos = this->mapFromGlobal(QCursor::pos());
QRect geom(QPoint(0,0), this->size());
return geom.contains(pos);
}
void GLW_Widget::setGLBase(GLW_Base *base){
if(glw_base!=0){ this->disconnect(glw_base, SLOT(repaintArea(QRect))); }
glw_base=base;
connect(this, SIGNAL(repaintArea(QRect)), glw_base, SLOT(repaintArea(QRect)) );
}
void GLW_Widget::paintYourself(QStylePainter *painter, QPaintEvent *ev){
QRect rect = widgetRect();
rect = rect.intersected(ev->rect());
QColor color( mouseOverWidget() ? Qt::gray : Qt::yellow);
color.setAlpha(125);
painter->fillRect(rect, color);
}
void GLW_Widget::paintChildren(QStylePainter *painter, QPaintEvent *ev){
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);
}
}
}
}
// --- PROTECTED ---
void GLW_Widget::resizeEvent(QResizeEvent *ev){
if(glw_base==0){ return; }
QPoint pos = this->mapTo(glw_base, QPoint(0,0));
QSize sz = ev->oldSize();
if(ev->size().width() > sz.width()){ sz.setWidth(ev->size().width()); }
if(ev->size().height() > sz.height()){ sz.setHeight(ev->size().height()); }
emit repaintArea(QRect(pos, sz));
}
void GLW_Widget::paintEvent(QPaintEvent *ev){
//qDebug() << "Got paint event:" << ev->rect();
QPoint pos = this->mapTo(glw_base, ev->rect().topLeft());
emit repaintArea(QRect(pos, ev->rect().size()) );
return;
}
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