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app: [Windows] restore double-click restore for custom title bars

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Keep custom move areas mapped to HTCAPTION even when the window is
maximized so custom title bars preserve the standard Windows behavior
where double-click restores the window.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
qiannian
2026-06-14 19:54:47 +08:00
committed by Elias Naur
parent acf5635575
commit 15335a2b37
1 changed files with 26 additions and 28 deletions
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app/os_windows.go
+26 -28
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@@ -494,34 +494,32 @@ func getModifiers() key.Modifiers {
// hitTest returns the non-client area hit by the point, needed to
// process WM_NCHITTEST.
func (w *window) hitTest(x, y int) uintptr {
if w.config.Mode != Windowed {
// Only windowed mode should allow resizing.
return windows.HTCLIENT
}
// Check for resize handle before system actions; otherwise it can be impossible to
// resize a custom-decorations window when the system move area is flush with the
// edge of the window.
top := y <= w.borderSize.Y
bottom := y >= w.config.Size.Y-w.borderSize.Y
left := x <= w.borderSize.X
right := x >= w.config.Size.X-w.borderSize.X
switch {
case top && left:
return windows.HTTOPLEFT
case top && right:
return windows.HTTOPRIGHT
case bottom && left:
return windows.HTBOTTOMLEFT
case bottom && right:
return windows.HTBOTTOMRIGHT
case top:
return windows.HTTOP
case bottom:
return windows.HTBOTTOM
case left:
return windows.HTLEFT
case right:
return windows.HTRIGHT
if w.config.Mode == Windowed {
// Check for resize handle before system actions; otherwise it can be impossible to
// resize a custom-decorations window when the system move area is flush with the
// edge of the window.
top := y <= w.borderSize.Y
bottom := y >= w.config.Size.Y-w.borderSize.Y
left := x <= w.borderSize.X
right := x >= w.config.Size.X-w.borderSize.X
switch {
case top && left:
return windows.HTTOPLEFT
case top && right:
return windows.HTTOPRIGHT
case bottom && left:
return windows.HTBOTTOMLEFT
case bottom && right:
return windows.HTBOTTOMRIGHT
case top:
return windows.HTTOP
case bottom:
return windows.HTBOTTOM
case left:
return windows.HTLEFT
case right:
return windows.HTRIGHT
}
}
p := f32.Pt(float32(x), float32(y))
if a, ok := w.w.ActionAt(p); ok && a == system.ActionMove {