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Support JavaScript window.moveTo/By() and resizeTo/By() (fixes #698)

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Adds new CefDisplayHandler::OnContentsBoundsChange and
CefDisplayHandler::GetRootWindowScreenRect callbacks.

cefclient: Implement the above callbacks and call
CefBrowserHost::NotifyScreenInfoChanged when the root window
bounds change.

cefclient: osr: Use real screen bounds by default. Pass
`--fake-screen-bounds` for the old default behavior.

Load https://tests/window in cefclient for additional
implementation details and usage examples.
This commit is contained in:
Marshall Greenblatt
2025-04-23 20:33:07 -04:00
parent f59112d839
commit faa85bf980
68 changed files with 1725 additions and 700 deletions
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25
libcef/browser/native/browser_platform_delegate_native_win.cc
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@ -427,6 +427,27 @@ CefEventHandle CefBrowserPlatformDelegateNativeWin::GetEventHandle(
const_cast<CHROME_MSG*>(&event.os_event->native_event()));
}
std::optional<gfx::Rect>
CefBrowserPlatformDelegateNativeWin::GetRootWindowBounds() {
if (window_widget_) {
if (HWND hwnd = GetHostWindowHandle()) {
if (HWND root_hwnd = ::GetAncestor(hwnd, GA_ROOT)) {
RECT root_rect = {};
if (::GetWindowRect(root_hwnd, &root_rect)) {
auto* top_level =
window_widget_->GetNativeWindow()->GetToplevelWindow();
gfx::Rect bounds(root_rect);
bounds = display::Screen::GetScreen()->ScreenToDIPRectInWindow(
top_level, bounds);
return bounds;
}
}
}
}
return std::nullopt;
}
ui::KeyEvent CefBrowserPlatformDelegateNativeWin::TranslateUiKeyEvent(
const CefKeyEvent& key_event) const {
int flags = TranslateUiEventModifiers(key_event.modifiers);
@ -596,8 +617,8 @@ LRESULT CALLBACK CefBrowserPlatformDelegateNativeWin::WndProc(HWND hwnd,
case WM_MOVING:
case WM_MOVE:
if (browser) {
browser->NotifyMoveOrResizeStarted();
if (platform_delegate) {
platform_delegate->NotifyMoveOrResizeStarted();
}
return 0;