mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-08-30 22:28:22 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

Utilities: Use alpha channel instead of opacity in shot

Browse source 
The way overlay was drawn is not the correct way to achieve window
transparency in selection mode. With this change, shot window becomes
truely transparent.
This commit is contained in:
Aziz Berkay Yesilyurt 2021-07-09 11:42:03 +02:00 • committed by Ali Mohammad Pur
commit 9b0ff229e3
Notes: sideshowbarker 2024-07-18 09:24:56 +09:00
1 changed files with 9 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

21
Userland/Utilities/shot.cpp
View file

@ -25,7 +25,7 @@ class SelectableLayover final : public GUI::Widget {
public:
SelectableLayover(GUI::Window* window)
: m_window(window)
, m_background_color(palette().threed_highlight())
, m_background_color(palette().threed_highlight().with_alpha(128))
{
set_override_cursor(Gfx::StandardCursor::Crosshair);
}
@ -60,16 +60,14 @@ private:
virtual void paint_event(GUI::PaintEvent&) override
{
if (m_region.is_empty()) {
GUI::Painter painter(*this);
painter.fill_rect(m_window->rect(), m_background_color);
return;
}
GUI::Painter painter(*this);
painter.fill_rect(m_region, Gfx::Color::Transparent);
for (auto rect : m_window->rect().shatter(m_region))
painter.fill_rect(rect, m_background_color);
painter.clear_rect(m_window->rect(), Gfx::Color::Transparent);
painter.fill_rect(m_window->rect(), m_background_color);
if (m_region.is_empty())
return;
painter.clear_rect(m_region, Gfx::Color::Transparent);
}
virtual void keydown_event(GUI::KeyEvent& event) override
@ -113,10 +111,9 @@ int main(int argc, char** argv)
if (select_region) {
auto window = GUI::Window::construct();
auto& container = window->set_main_widget<SelectableLayover>(window);
container.set_fill_with_background_color(true);
window->set_title("shot");
window->set_opacity(0.2);
window->set_has_alpha_channel(true);
window->set_fullscreen(true);
window->show();
app->exec();