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LibWeb+WebContent: Modify did_request_scroll() IPC to take x&y deltas

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This is in preparation for implementing JS scrolling functions, which
specify both x and y scrolling deltas. The visible behavior has not
changed.

Also, moved the "mouse wheel delta * 20" calculation to the
`EventHandler` since the JS calls will want to work directly in pixels.
This commit is contained in:
Sam Atkins 2021-09-08 11:22:44 +01:00 • committed by Linus Groh
parent 92a3318375
commit a09219159c
9 changed files with 13 additions and 12 deletions
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2
Userland/Libraries/LibWeb/Page/EventHandler.cpp
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@ -125,7 +125,7 @@ bool EventHandler::handle_mousewheel(const Gfx::IntPoint& position, unsigned int
}
if (auto* page = m_frame.page()) {
page->client().page_did_request_scroll(wheel_delta);
page->client().page_did_request_scroll(0, wheel_delta * 20);
return true;
}

2
Userland/Libraries/LibWeb/Page/Page.h
View file

@ -85,7 +85,7 @@ public:
virtual void page_did_invalidate(const Gfx::IntRect&) { }
virtual void page_did_change_favicon(const Gfx::Bitmap&) { }
virtual void page_did_layout() { }
virtual void page_did_request_scroll(int) { }
virtual void page_did_request_scroll(i32, i32) { }
virtual void page_did_request_scroll_into_view(const Gfx::IntRect&) { }
virtual void page_did_request_alert(const String&) { }
virtual bool page_did_request_confirm(const String&) { return false; }