mirror of
https://github.com/RGBCube/serenity
synced 2025-05-28 18:35:09 +00:00
56cbe15033
Also add a Tool base class, and an empty BucketTool subclass which is the next thing to implement.
60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
#include "PaintableWidget.h"
|
|
#include "Tool.h"
|
|
#include <LibGUI/GPainter.h>
|
|
#include <SharedGraphics/GraphicsBitmap.h>
|
|
|
|
static PaintableWidget* s_the;
|
|
|
|
PaintableWidget& PaintableWidget::the()
|
|
{
|
|
return *s_the;
|
|
}
|
|
|
|
PaintableWidget::PaintableWidget(GWidget* parent)
|
|
: GWidget(parent)
|
|
{
|
|
ASSERT(!s_the);
|
|
s_the = this;
|
|
set_fill_with_background_color(true);
|
|
set_background_color(Color::MidGray);
|
|
m_bitmap = GraphicsBitmap::create(GraphicsBitmap::Format::RGB32, { 600, 400 });
|
|
m_bitmap->fill(Color::White);
|
|
}
|
|
|
|
PaintableWidget::~PaintableWidget()
|
|
{
|
|
}
|
|
|
|
void PaintableWidget::paint_event(GPaintEvent& event)
|
|
{
|
|
GPainter painter(*this);
|
|
painter.add_clip_rect(event.rect());
|
|
painter.blit({ 0, 0 }, *m_bitmap, m_bitmap->rect());
|
|
}
|
|
|
|
Color PaintableWidget::color_for(const GMouseEvent& event)
|
|
{
|
|
if (event.buttons() & GMouseButton::Left)
|
|
return m_primary_color;
|
|
if (event.buttons() & GMouseButton::Right)
|
|
return m_secondary_color;
|
|
ASSERT_NOT_REACHED();
|
|
}
|
|
|
|
void PaintableWidget::mousedown_event(GMouseEvent& event)
|
|
{
|
|
if (m_tool)
|
|
m_tool->on_mousedown(*this, event);
|
|
}
|
|
|
|
void PaintableWidget::mouseup_event(GMouseEvent& event)
|
|
{
|
|
if (m_tool)
|
|
m_tool->on_mouseup(*this, event);
|
|
}
|
|
|
|
void PaintableWidget::mousemove_event(GMouseEvent& event)
|
|
{
|
|
if (m_tool)
|
|
m_tool->on_mousemove(*this, event);
|
|
}
|