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windows: Fix size/placement with multi-DPI screen setup (fixes issue #3359)

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Use ScreenWin functions to correctly compute DIP/pixel conversions for
CEF-created top-level windows.

Fix incorrect DIPToScreenRect usage in DesktopWindowTreeHostWin when
|has_external_parent_| is true.
This commit is contained in:
Marshall Greenblatt
2022-10-24 19:47:04 -04:00
parent 07bf5dbacc
commit 767c4422ac
8 changed files with 160 additions and 144 deletions
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45
patch/patches/views_widget.patch
View File

@ -258,10 +258,10 @@ index 774a2d23a87a6..88769ad800d22 100644
// Calculate initial bounds.
diff --git ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc
index 0d5595767664e..dc9162d3c6eb3 100644
index 0d5595767664e..d36964f634683 100644
--- ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc
+++ ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc
@@ -183,8 +183,12 @@ void DesktopWindowTreeHostWin::Init(const Widget::InitParams& params) {
@@ -183,16 +183,28 @@ void DesktopWindowTreeHostWin::Init(const Widget::InitParams& params) {
native_widget_delegate_);
HWND parent_hwnd = nullptr;
@ -275,7 +275,26 @@ index 0d5595767664e..dc9162d3c6eb3 100644
remove_standard_frame_ = params.remove_standard_frame;
has_non_client_view_ = Widget::RequiresNonClientView(params.type);
@@ -1033,11 +1037,15 @@ void DesktopWindowTreeHostWin::HandleFrameChanged() {
z_order_ = params.EffectiveZOrderLevel();
- // We don't have an HWND yet, so scale relative to the nearest screen.
- gfx::Rect pixel_bounds =
- display::win::ScreenWin::DIPToScreenRect(nullptr, params.bounds);
+ gfx::Rect pixel_bounds;
+ if (has_external_parent_) {
+ // Scale relative to the screen that contains the parent window.
+ // Child windows always have origin (0,0).
+ pixel_bounds.set_size(display::win::ScreenWin::DIPToScreenSize(
+ parent_hwnd, params.bounds.size()));
+ } else {
+ // We don't have an HWND yet, so scale relative to the nearest screen.
+ pixel_bounds =
+ display::win::ScreenWin::DIPToScreenRect(nullptr, params.bounds);
+ }
message_handler_->Init(parent_hwnd, pixel_bounds, params.headless_mode);
CreateCompositor(params.force_software_compositing);
OnAcceleratedWidgetAvailable();
@@ -1033,11 +1045,15 @@ void DesktopWindowTreeHostWin::HandleFrameChanged() {
}
void DesktopWindowTreeHostWin::HandleNativeFocus(HWND last_focused_window) {
@ -293,7 +312,7 @@ index 0d5595767664e..dc9162d3c6eb3 100644
}
bool DesktopWindowTreeHostWin::HandleMouseEvent(ui::MouseEvent* event) {
@@ -1045,6 +1053,12 @@ bool DesktopWindowTreeHostWin::HandleMouseEvent(ui::MouseEvent* event) {
@@ -1045,6 +1061,12 @@ bool DesktopWindowTreeHostWin::HandleMouseEvent(ui::MouseEvent* event) {
if (ui::PlatformEventSource::ShouldIgnoreNativePlatformEvents())
return true;
@ -306,6 +325,24 @@ index 0d5595767664e..dc9162d3c6eb3 100644
SendEventToSink(event);
return event->handled();
}
@@ -1224,8 +1246,16 @@ void DesktopWindowTreeHostWin::SetBoundsInDIP(const gfx::Rect& bounds) {
// positions in variable-DPI situations. See https://crbug.com/1224715 for
// details.
aura::Window* root = nullptr;
- const gfx::Rect bounds_in_pixels =
+ if (has_external_parent_) {
+ // Scale relative to the screen that contains the parent window.
+ root = AsWindowTreeHost()->window();
+ }
+ gfx::Rect bounds_in_pixels =
display::Screen::GetScreen()->DIPToScreenRectInWindow(root, bounds);
+ if (has_external_parent_) {
+ // Child windows always have origin (0,0).
+ bounds_in_pixels.set_origin(gfx::Point(0, 0));
+ }
AsWindowTreeHost()->SetBoundsInPixels(bounds_in_pixels);
}
diff --git ui/views/widget/desktop_aura/desktop_window_tree_host_win.h ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
index cec35ceb25477..6eab66d5676b5 100644
--- ui/views/widget/desktop_aura/desktop_window_tree_host_win.h