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GdkWin32: Configure as needed when going fullscreen

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Apply the fixes made by Chun-Wei Fan in [1] also for fullscreening /
unfullscreen. Fixes https://gitlab.gnome.org/GNOME/gtk/-/issues/4631

Also set the SWP_FRAMECHANGED flag as written by Raymond Chen in "How
do I switch a window between normal and fullscreen?" [2]

> An important flag to pass here is SWP_FRAME­CHANGED, which tells
> the window manager to recalculate the window decorations (which we
> need it to do because we just changed them).

References:
[1] - https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/3712
[2] - https://devblogs.microsoft.com/oldnewthing/20100412-00/?p=14353
This commit is contained in:
Luca Bacci 2022-02-22 09:15:28 +01:00
parent f41fe7b8e4
commit ab65e8e178
1 changed files with 11 additions and 2 deletions
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13
gdk/win32/gdksurface-win32.c
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@ -4152,6 +4152,9 @@ gdk_win32_surface_fullscreen (GdkSurface *window)
g_object_set_data (G_OBJECT (window), "fullscreen-info", fi);
fi->style = GetWindowLong (GDK_SURFACE_HWND (window), GWL_STYLE);
impl->inhibit_configure = TRUE;
impl->force_recompute_size = FALSE;
/* Send state change before configure event */
gdk_synthesize_surface_state (window, 0, GDK_TOPLEVEL_STATE_FULLSCREEN);
@ -4160,7 +4163,7 @@ gdk_win32_surface_fullscreen (GdkSurface *window)
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (window), HWND_TOP,
x, y, width, height,
SWP_NOCOPYBITS | SWP_SHOWWINDOW));
SWP_NOCOPYBITS | SWP_SHOWWINDOW | SWP_FRAMECHANGED));
}
}
@ -4184,11 +4187,17 @@ gdk_win32_surface_unfullscreen (GdkSurface *window)
API_CALL (SetWindowPos, (GDK_SURFACE_HWND (window), HWND_NOTOPMOST,
fi->r.left, fi->r.top,
fi->r.right - fi->r.left, fi->r.bottom - fi->r.top,
SWP_NOCOPYBITS | SWP_SHOWWINDOW));
SWP_NOCOPYBITS | SWP_SHOWWINDOW | SWP_FRAMECHANGED));
g_object_set_data (G_OBJECT (window), "fullscreen-info", NULL);
g_free (fi);
_gdk_win32_surface_update_style_bits (window);
if (impl->inhibit_configure)
{
impl->inhibit_configure = FALSE;
impl->force_recompute_size = TRUE;
}
}
}