stuff-from-scratch/apps/notes_tk/canvas/CanvasDrawingArea.cpp

53 lines
1.2 KiB
C++
Raw Normal View History

2022-12-05 10:59:45 +00:00
#include "CanvasDrawingArea.h"
#include "MouseEvent.h"
#include "GeometryNode.h"
#include "TransformNode.h"
#include "CircleNode.h"
CanvasDrawingArea::~CanvasDrawingArea()
{
}
void CanvasDrawingArea::addShapeAt(unsigned x, unsigned y)
{
if (mActiveDrawingCommand == CanvasDrawCommand::CIRCLE)
{
2023-01-20 08:07:09 +00:00
auto circle = std::make_unique<CircleNode>(Transform(DiscretePoint(x, y)), 5);
2022-12-05 10:59:45 +00:00
circle->setFillColor(Color(255, 0, 0));
circle->setName("CanvasDrawingArea_CircleNode");
mRootNode->addChild(circle.get());
mSceneNodes.push_back(std::move(circle));
mContentDirty = true;
}
}
bool CanvasDrawingArea::isDirty() const
{
return Widget::isDirty() || mContentDirty;
}
2023-01-23 11:55:58 +00:00
void CanvasDrawingArea::doPaint(const PaintEvent*)
2022-12-05 10:59:45 +00:00
{
mContentDirty = false;
}
void CanvasDrawingArea::onMyMouseEvent(const MouseEvent* event)
{
2023-01-17 08:34:48 +00:00
if(event->getAction() == MouseEvent::Action::Pressed)
2022-12-05 10:59:45 +00:00
{
}
2023-01-17 08:34:48 +00:00
else if(event->getAction() == MouseEvent::Action::Released)
2022-12-05 10:59:45 +00:00
{
2023-01-17 08:34:48 +00:00
auto client_loc = event->getClientLocation();
auto screen_loc = event->getScreenLocation();
2022-12-05 10:59:45 +00:00
2023-01-13 15:03:07 +00:00
addShapeAt(client_loc.getX(), client_loc.getY());
2022-12-05 10:59:45 +00:00
}
}