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Code Issues Activity Actions

LibGUI: Add "drag enter" and "drag leave" events

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These events allow widgets to react when a drag enters/leaves their
rectangle. The enter event carries position + mime type, while the
leave event has no information.
This commit is contained in:
Andreas Kling 2021-01-08 22:23:06 +01:00
parent 4728d0dd6a
commit 9acb72e804
7 changed files with 60 additions and 3 deletions
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14
Libraries/LibGUI/Application.h
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@ -34,7 +34,7 @@
#include <LibGUI/Forward.h>
#include <LibGUI/Shortcut.h>
#include <LibGUI/Widget.h>
#include <LibGfx/Forward.h>
#include <LibGfx/Point.h>
namespace GUI {
@ -83,12 +83,23 @@ public:
void window_did_become_active(Badge<Window>, Window&);
void window_did_become_inactive(Badge<Window>, Window&);
Widget* drag_hovered_widget() { return m_drag_hovered_widget.ptr(); }
const Widget* drag_hovered_widget() const { return m_drag_hovered_widget.ptr(); }
void set_drag_hovered_widget(Badge<Window>, Widget* widget, const Gfx::IntPoint& position = {}, const String& mime_type = {})
{
set_drag_hovered_widget_impl(widget, position, mime_type);
}
void notify_drag_cancelled(Badge<WindowServerConnection>);
private:
Application(int argc, char** argv);
void tooltip_show_timer_did_fire();
void tooltip_hide_timer_did_fire();
void set_drag_hovered_widget_impl(Widget*, const Gfx::IntPoint& = {}, const String& = {});
OwnPtr<Core::EventLoop> m_event_loop;
RefPtr<MenuBar> m_menubar;
RefPtr<Gfx::PaletteImpl> m_palette;
@ -104,6 +115,7 @@ private:
bool m_focus_debugging_enabled { false };
String m_invoked_as;
Vector<String> m_args;
WeakPtr<Widget> m_drag_hovered_widget;
};
}