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Userland: Accept drag_enter events for widgets supporting file drops

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This patch will switch cursor to DragCopy when a user enters a widget
while dragging file(s), giving them a visual clue that it *might* be
dropped into this widget.

This is a rather naive approach, as the cursor icon will change for any
kind of file, as currently programs don't know the drag contents before
dropping it. But after all I think it's better than nothing. :^)
This commit is contained in:
Karol Kosek 2022-11-04 22:32:17 +01:00 • committed by Andrew Kaster
parent 461ee18d64
commit 0b7f5bbdfb
21 changed files with 89 additions and 0 deletions
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8
Userland/Applications/3DFileViewer/main.cpp
View file

@ -91,6 +91,7 @@ private:
glEndList();
}
virtual void drag_enter_event(GUI::DragEvent&) override;
virtual void drop_event(GUI::DropEvent&) override;
virtual void paint_event(GUI::PaintEvent&) override;
virtual void resize_event(GUI::ResizeEvent&) override;
@ -125,6 +126,13 @@ private:
float m_zoom = 1;
};
void GLContextWidget::drag_enter_event(GUI::DragEvent& event)
{
auto const& mime_types = event.mime_types();
if (mime_types.contains_slow("text/uri-list"))
event.accept();
}
void GLContextWidget::drop_event(GUI::DropEvent& event)
{
if (!event.mime_data().has_urls())