RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 06:47:34 +00:00
Code Issues Activity Actions

PaintBrush: Add a PaletteWidget to allow color selection.

Browse source 
Also use different colors for left/right mouse button. :^)
This commit is contained in:
Andreas Kling 2019-06-10 19:54:09 +02:00
parent 642c82fbff
commit f86b1bdca1
6 changed files with 82 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

21
Applications/PaintBrush/PaintableWidget.cpp
View file

@ -22,20 +22,29 @@ void PaintableWidget::paint_event(GPaintEvent& event)
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 (event.button() != GMouseButton::Left)
if (event.button() != GMouseButton::Left && event.button() != GMouseButton::Right)
return;
GPainter painter(*m_bitmap);
painter.set_pixel(event.position(), Color::Black);
painter.set_pixel(event.position(), color_for(event));
update({ event.position(), { 1, 1 } });
m_last_drawing_event_position = event.position();
}
void PaintableWidget::mouseup_event(GMouseEvent& event)
{
if (event.button() == GMouseButton::Left)
if (event.button() == GMouseButton::Left || event.button() == GMouseButton::Right)
m_last_drawing_event_position = { -1, -1 };
}
@ -44,14 +53,14 @@ void PaintableWidget::mousemove_event(GMouseEvent& event)
if (!rect().contains(event.position()))
return;
if (event.buttons() & GMouseButton::Left) {
if (event.buttons() & GMouseButton::Left || event.buttons() & GMouseButton::Right) {
GPainter painter(*m_bitmap);
if (m_last_drawing_event_position != Point(-1, -1)) {
painter.draw_line(m_last_drawing_event_position, event.position(), Color::Black);
painter.draw_line(m_last_drawing_event_position, event.position(), color_for(event));
update();
} else {
painter.set_pixel(event.position(), Color::Black);
painter.set_pixel(event.position(), color_for(event));
update({ event.position(), { 1, 1 } });
}