From: Rémi Bernon rbernon@codeweavers.com
When they will likely induce some ConfigureNotify events, we need to wait for these events to arrive before requesting our changes, as we are otherwise unable to tell which ConfigureNotify event is an old one and which one corresponds to our requests. --- dlls/winex11.drv/window.c | 67 ++++++++++++++++++++++++++++++++------- 1 file changed, 56 insertions(+), 11 deletions(-)
diff --git a/dlls/winex11.drv/window.c b/dlls/winex11.drv/window.c index 2d9caf8b730..07d43a62d05 100644 --- a/dlls/winex11.drv/window.c +++ b/dlls/winex11.drv/window.c @@ -906,12 +906,37 @@ static void set_size_hints( struct x11drv_win_data *data, DWORD style ) XFree( size_hints ); }
+/* bits that can trigger spurious ConfigureNotify events */ +static const UINT config_notify_mask = (1 << NET_WM_STATE_MAXIMIZED) | (1 << NET_WM_STATE_FULLSCREEN) | + (1 << NET_WM_STATE_ABOVE); + +static BOOL window_needs_mwm_hints_change_delay( struct x11drv_win_data *data ) +{ + if (data->pending_state.wm_state == WithdrawnState) return FALSE; /* window is unmapped, should be safe to make any change */ + if (!data->configure_serial && !data->net_wm_state_serial) return FALSE; /* no other requests are pending, should be safe */ + /* check whether we have a pending configure, either directly or because of a _NET_WM_STATE change which might trigger one */ + if (!data->configure_serial && !((data->pending_state.net_wm_state ^ data->current_state.net_wm_state) & config_notify_mask)) return FALSE; + /* delay any new _MOTIF_WM_HINTS change which might trigger a ConfigureNotify when a config/_NET_WM_STATE change is pending */ + return (!data->desired_state.mwm_hints.decorations != !data->pending_state.mwm_hints.decorations); +} + +static BOOL window_needs_net_wm_state_change_delay( struct x11drv_win_data *data ) +{ + if (data->pending_state.wm_state == WithdrawnState) return FALSE; /* window is unmapped, should be safe to make any change */ + if (!data->configure_serial && !data->mwm_hints_serial) return FALSE; /* no other requests are pending, should be safe */ + /* check whether we have a pending configure, either directly or because _MOTIF_WM_HINTS decoration changed */ + if (!data->configure_serial && !(!data->pending_state.mwm_hints.decorations != !data->current_state.mwm_hints.decorations)) return FALSE; + /* delay any new _NET_WM_STATE change which might trigger a ConfigureNotify when a config/_MOTIF_WM_HINTS change is pending */ + return (data->desired_state.net_wm_state ^ data->pending_state.net_wm_state) & config_notify_mask; +} + static BOOL window_needs_config_change_delay( struct x11drv_win_data *data ) { - static const UINT fullscreen_mask = (1 << NET_WM_STATE_MAXIMIZED) | (1 << NET_WM_STATE_FULLSCREEN); - if (data->pending_state.wm_state != NormalState) return FALSE; + if (data->pending_state.wm_state == WithdrawnState) return FALSE; /* window is unmapped, should be safe to make any change */ if (data->configure_serial) return TRUE; /* another config update is pending, wait for it to complete */ - return data->net_wm_state_serial && !(data->pending_state.net_wm_state & fullscreen_mask) && (data->current_state.net_wm_state & fullscreen_mask); + /* delay any config request when a _NET_WM_STATE or _MOTIF_WM_HINTS change which might trigger a ConfigureNotify is in flight */ + return (data->net_wm_state_serial && (data->pending_state.net_wm_state ^ data->current_state.net_wm_state) & config_notify_mask) || + (data->mwm_hints_serial && (!data->pending_state.mwm_hints.decorations != !data->current_state.mwm_hints.decorations)); }
static void window_set_mwm_hints( struct x11drv_win_data *data, const MwmHints *new_hints ) @@ -922,6 +947,14 @@ static void window_set_mwm_hints( struct x11drv_win_data *data, const MwmHints * if (!data->whole_window || !data->managed) return; /* no window or not managed, nothing to update */ if (!memcmp( old_hints, new_hints, sizeof(*new_hints) )) return; /* hints are the same, nothing to update */
+ if (window_needs_mwm_hints_change_delay( data )) + { + TRACE( "window %p/%lx is updating _NET_WM_STATE/config, delaying request\n", data->hwnd, data->whole_window ); + return; + } + + if (data->pending_state.wm_state == IconicState) return; /* window is iconic and may be mapped or not, don't update its state now */ + data->pending_state.mwm_hints = *new_hints; data->mwm_hints_serial = NextRequest( data->display ); TRACE( "window %p/%lx, requesting _MOTIF_WM_HINTS %s serial %lu\n", data->hwnd, data->whole_window, @@ -1235,7 +1268,13 @@ static void window_set_net_wm_state( struct x11drv_win_data *data, UINT new_stat /* we ignore and override previous _NET_WM_STATE update requests */ if (old_state == new_state) return; /* states are the same, nothing to update */
- if (data->pending_state.wm_state == IconicState) return; /* window is iconic, don't update its state now */ + if (window_needs_net_wm_state_change_delay( data )) + { + TRACE( "window %p/%lx is updating config/_MOTIF_WM_HINTS, delaying request\n", data->hwnd, data->whole_window ); + return; + } + + if (data->pending_state.wm_state == IconicState) return; /* window is iconic and may be mapped or not, don't update its state now */ if (data->pending_state.wm_state == WithdrawnState) /* set the _NET_WM_STATE atom directly */ { Atom atoms[NB_NET_WM_STATES + 1]; @@ -1305,11 +1344,7 @@ static void window_set_config( struct x11drv_win_data *data, RECT rect, BOOL abo if (EqualRect( old_rect, new_rect ) && old_above >= above) return; /* rects are the same, no need to be raised, nothing to update */ if (data->managed && window_needs_config_change_delay( data )) { - /* Some window managers are sending a ConfigureNotify event with the fullscreen size when - * exiting a fullscreen window, with a serial that we cannot predict. Handling that event - * will override the Win32 window size and make the window fullscreen again. - */ - WARN( "window %p/%lx is exiting maximize/fullscreen, delaying request\n", data->hwnd, data->whole_window ); + TRACE( "window %p/%lx is updating _NET_WM_STATE/_MOTIF_WM_HINTS, delaying request\n", data->hwnd, data->whole_window ); return; }
@@ -1753,6 +1788,7 @@ void window_wm_state_notify( struct x11drv_win_data *data, unsigned long serial, /* send any pending changes from the desired state */ window_set_wm_state( data, data->desired_state.wm_state, data->desired_state.activate ); window_set_net_wm_state( data, data->desired_state.net_wm_state ); + window_set_mwm_hints( data, &data->desired_state.mwm_hints ); window_set_config( data, data->desired_state.rect, FALSE );
if (data->current_state.wm_state == NormalState) NtUserSetProp( data->hwnd, focus_time_prop, (HANDLE)time ); @@ -1776,6 +1812,7 @@ void window_net_wm_state_notify( struct x11drv_win_data *data, unsigned long ser /* send any pending changes from the desired state */ window_set_wm_state( data, data->desired_state.wm_state, data->desired_state.activate ); window_set_net_wm_state( data, data->desired_state.net_wm_state ); + window_set_mwm_hints( data, &data->desired_state.mwm_hints ); window_set_config( data, data->desired_state.rect, FALSE ); }
@@ -1789,8 +1826,15 @@ void window_mwm_hints_notify( struct x11drv_win_data *data, unsigned long serial received = wine_dbg_sprintf( "_MOTIF_WM_HINTS %s/%lu", debugstr_mwm_hints(value), serial ); expected = *expect_serial ? wine_dbg_sprintf( ", expected %s/%lu", debugstr_mwm_hints(pending), *expect_serial ) : "";
- handle_state_change( serial, expect_serial, sizeof(*value), value, desired, pending, - current, expected, prefix, received, NULL ); + if (!handle_state_change( serial, expect_serial, sizeof(*value), value, desired, pending, + current, expected, prefix, received, NULL )) + return; + + /* send any pending changes from the desired state */ + window_set_wm_state( data, data->desired_state.wm_state, data->desired_state.activate ); + window_set_net_wm_state( data, data->desired_state.net_wm_state ); + window_set_mwm_hints( data, &data->desired_state.mwm_hints ); + window_set_config( data, data->desired_state.rect, FALSE ); }
void window_configure_notify( struct x11drv_win_data *data, unsigned long serial, const RECT *value ) @@ -1819,6 +1863,7 @@ void window_configure_notify( struct x11drv_win_data *data, unsigned long serial /* send any pending changes from the desired state */ window_set_wm_state( data, data->desired_state.wm_state, data->desired_state.activate ); window_set_net_wm_state( data, data->desired_state.net_wm_state ); + window_set_mwm_hints( data, &data->desired_state.mwm_hints ); window_set_config( data, data->desired_state.rect, FALSE ); }