fix: incorrect size of windows on differently scaled monitors (#21138)

* Revert "fix: handle WM_GETMINMAXINFO instead of letting chromium do it (#19928) (#20000)"

This reverts commit 182f63d3a3.

* fix: don't reset the width and height when correcting window placement
This commit is contained in:
Robo
2019-11-18 09:58:13 -08:00
committed by Shelley Vohr
parent c4ab79e7ae
commit 0d8be47c0f

View File

@@ -345,35 +345,23 @@ bool NativeWindowViews::PreHandleMSG(UINT message,
return false;
}
case WM_GETMINMAXINFO: {
// We need to handle GETMINMAXINFO ourselves because chromium tries to
// get the scale factor of the window during it's version of this handler
// based on the window position, which is invalid at this point. The
// previous method of calling SetWindowPlacement fixed the window
// position for the scale factor calculation but broke other things.
MINMAXINFO* info = reinterpret_cast<MINMAXINFO*>(l_param);
WINDOWPLACEMENT wp;
wp.length = sizeof(WINDOWPLACEMENT);
display::Display display =
display::Screen::GetScreen()->GetDisplayNearestPoint(
last_normal_placement_bounds_.origin());
// We do this to work around a Windows bug, where the minimized Window
// would report that the closest display to it is not the one that it was
// previously on (but the leftmost one instead). We restore the position
// of the window during the restore operation, this way chromium can
// use the proper display to calculate the scale factor to use.
if (!last_normal_placement_bounds_.IsEmpty() &&
GetWindowPlacement(GetAcceleratedWidget(), &wp)) {
wp.rcNormalPosition = last_normal_placement_bounds_.ToRECT();
SetWindowPlacement(GetAcceleratedWidget(), &wp);
gfx::Size min_size = gfx::ScaleToCeiledSize(
widget()->GetMinimumSize(), display.device_scale_factor());
gfx::Size max_size = gfx::ScaleToCeiledSize(
widget()->GetMaximumSize(), display.device_scale_factor());
info->ptMinTrackSize.x = min_size.width();
info->ptMinTrackSize.y = min_size.height();
if (max_size.width() || max_size.height()) {
if (!max_size.width())
max_size.set_width(GetSystemMetrics(SM_CXMAXTRACK));
if (!max_size.height())
max_size.set_height(GetSystemMetrics(SM_CYMAXTRACK));
info->ptMaxTrackSize.x = max_size.width();
info->ptMaxTrackSize.y = max_size.height();
last_normal_placement_bounds_ = gfx::Rect();
}
*result = 1;
return true;
return false;
}
case WM_NCCALCSIZE: {
if (!has_frame() && w_param == TRUE) {