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Code Issues Activity Actions

Magnifier: Allow locking location at current cursor position

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This commit is contained in:
FrHun 2022-12-04 19:20:57 +01:00 • committed by Sam Atkins
parent 6d4e37138e
commit 837625e422
3 changed files with 22 additions and 1 deletions
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15
Userland/Applications/Magnifier/MagnifierWidget.cpp
View file

@ -24,6 +24,14 @@ void MagnifierWidget::set_scale_factor(int scale_factor)
update();
}
void MagnifierWidget::lock_location(bool lock)
{
if (lock)
m_locked_location = GUI::ConnectionToWindowServer::the().get_global_cursor_position();
else
m_locked_location = {};
}
void MagnifierWidget::set_color_filter(OwnPtr<Gfx::ColorBlindnessFilter> color_filter)
{
m_color_filter = move(color_filter);
@ -53,7 +61,12 @@ void MagnifierWidget::sync()
auto size = frame_inner_rect().size();
Gfx::IntSize grab_size { size.width() / m_scale_factor, size.height() / m_scale_factor };
m_grabbed_bitmap = GUI::ConnectionToWindowServer::the().get_screen_bitmap_around_cursor(grab_size).bitmap();
if (m_locked_location.has_value()) {
m_grabbed_bitmap = GUI::ConnectionToWindowServer::the().get_screen_bitmap_around_location(grab_size, m_locked_location.value()).bitmap();
} else {
m_grabbed_bitmap = GUI::ConnectionToWindowServer::the().get_screen_bitmap_around_cursor(grab_size).bitmap();
}
m_grabbed_bitmaps.enqueue(m_grabbed_bitmap);
update();
}

2
Userland/Applications/Magnifier/MagnifierWidget.h
View file

@ -27,6 +27,7 @@ public:
if (!pause)
m_frame_offset_from_head = 0;
}
void lock_location(bool);
void display_previous_frame();
void display_next_frame();
RefPtr<Gfx::Bitmap> current_bitmap() const { return m_grabbed_bitmap; };
@ -45,4 +46,5 @@ private:
CircularQueue<RefPtr<Gfx::Bitmap>, 512> m_grabbed_bitmaps {};
ssize_t m_frame_offset_from_head { 0 };
bool m_pause_capture { false };
Optional<Gfx::IntPoint> m_locked_location {};
};

6
Userland/Applications/Magnifier/main.cpp
View file

@ -111,6 +111,11 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
magnifier->pause_capture(action.is_checked());
});
auto lock_location_action = GUI::Action::create_checkable(
"&Lock Location", { Key_L }, [&](auto& action) {
magnifier->lock_location(action.is_checked());
});
size_action_group->add_action(two_x_action);
size_action_group->add_action(four_x_action);
size_action_group->add_action(eight_x_action);
@ -124,6 +129,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
TRY(view_menu->try_add_separator());
TRY(view_menu->try_add_action(pause_action));
TRY(view_menu->try_add_action(lock_location_action));
auto timeline_menu = TRY(window->try_add_menu("&Timeline"));
auto previous_frame_action = GUI::Action::create(