1 files changed, 76 insertions, 0 deletions
diff --git a/src-qt5/src-glwidgets/glw-widget.cpp b/src-qt5/src-glwidgets/glw-widget.cpp
new file mode 100644
index 00000000..e24d8166
--- /dev/null
+++ b/src-qt5/src-glwidgets/glw-widget.cpp
@@ -0,0 +1,76 @@
+//===========================================
+//  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;
+}