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win: Fix 1px gap with maximized frameless windows on Win11 (fixes issue #3414)

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Marshall Greenblatt
2022-11-09 13:06:17 -05:00
parent 7611c4dba6
commit 74fc5d5573
2 changed files with 17 additions and 3 deletions
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3
patch/patch.cfg
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@@ -122,6 +122,9 @@ patches = [
# Windows: Fix incorrect DIPToScreenRect usage in DesktopWindowTreeHostWin # Windows: Fix incorrect DIPToScreenRect usage in DesktopWindowTreeHostWin
# when |has_external_parent_| is true. # when |has_external_parent_| is true.
# https://bitbucket.org/chromiumembedded/cef/issues/3359 # https://bitbucket.org/chromiumembedded/cef/issues/3359
#
# Windows: Fix 1px gap with maximized frameless windows on Win11.
# https://bitbucket.org/chromiumembedded/cef/issues/3414
'name': 'views_widget', 'name': 'views_widget',
}, },
{ {

17
patch/patches/views_widget.patch
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@@ -455,10 +455,21 @@ index d24c447bb8030..29215d6578169 100644
if (native_widget_delegate->IsDialogBox()) { if (native_widget_delegate->IsDialogBox()) {
*style |= DS_MODALFRAME; *style |= DS_MODALFRAME;
diff --git ui/views/win/hwnd_message_handler.cc ui/views/win/hwnd_message_handler.cc diff --git ui/views/win/hwnd_message_handler.cc ui/views/win/hwnd_message_handler.cc
index ec39cb0d15c80..1bafc2fd817e5 100644 index ec39cb0d15c80..27c51bfb740f4 100644
--- ui/views/win/hwnd_message_handler.cc --- ui/views/win/hwnd_message_handler.cc
+++ ui/views/win/hwnd_message_handler.cc +++ ui/views/win/hwnd_message_handler.cc
@@ -827,7 +827,11 @@ bool HWNDMessageHandler::IsVisible() const { @@ -626,7 +626,9 @@ void HWNDMessageHandler::SetDwmFrameExtension(DwmFrameState state) {
if (!delegate_->HasFrame() && ui::win::IsAeroGlassEnabled() &&
!is_translucent_) {
MARGINS m = {0, 0, 0, 0};
- if (state == DwmFrameState::kOn)
+ // Fix 1px gap with frameless windows on Win11 by not setting DWM margins
+ // when maximized. See CEF issue #3414.
+ if (state == DwmFrameState::kOn && !IsMaximized())
m = {0, 0, 1, 0};
DwmExtendFrameIntoClientArea(hwnd(), &m);
}
@@ -827,7 +829,11 @@ bool HWNDMessageHandler::IsVisible() const {
} }
bool HWNDMessageHandler::IsActive() const { bool HWNDMessageHandler::IsActive() const {
@@ -471,7 +482,7 @@ index ec39cb0d15c80..1bafc2fd817e5 100644
} }
bool HWNDMessageHandler::IsMinimized() const { bool HWNDMessageHandler::IsMinimized() const {
@@ -3224,10 +3228,13 @@ LRESULT HWNDMessageHandler::HandleMouseEventInternal(UINT message, @@ -3224,10 +3230,13 @@ LRESULT HWNDMessageHandler::HandleMouseEventInternal(UINT message,
} else if (event.type() == ui::ET_MOUSEWHEEL) { } else if (event.type() == ui::ET_MOUSEWHEEL) {
ui::MouseWheelEvent mouse_wheel_event(msg); ui::MouseWheelEvent mouse_wheel_event(msg);
// Reroute the mouse wheel to the window under the pointer if applicable. // Reroute the mouse wheel to the window under the pointer if applicable.