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macos: move children when monitor changes

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We can rely on other code to move monitors, but specifically with children
we want to try harder to move them as a group and keep positioning in tact.
This commit is contained in:
Christian Hergert 2022-03-02 00:47:27 -08:00
parent ed4f0de2b0
commit f7d0b91267
1 changed files with 32 additions and 1 deletions
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33
gdk/macos/gdkmacossurface.c
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@ -1086,6 +1086,7 @@ _gdk_macos_surface_monitor_changed (GdkMacosSurface *self)
self->in_change_monitor = TRUE;
_gdk_macos_surface_cancel_frame (self);
_gdk_macos_surface_configure (self);
rect.x = self->root_x;
rect.y = self->root_y;
@ -1149,9 +1150,39 @@ _gdk_macos_surface_monitor_changed (GdkMacosSurface *self)
g_message ("Surface \"%s\" moved to monitor \"%s\"",
self->title ? self->title : "unknown",
gdk_monitor_get_connector (best)));
_gdk_macos_surface_configure (self);
if (GDK_SURFACE_IS_MAPPED (GDK_SURFACE (self)))
{
_gdk_macos_surface_request_frame (self);
gdk_surface_request_layout (GDK_SURFACE (self));
}
for (const GList *iter = GDK_SURFACE (self)->children;
iter != NULL;
iter = iter->next)
{
GdkMacosSurface *child = iter->data;
GdkRectangle area;
g_set_object (&child->best_monitor, best);
area.x = self->root_x + GDK_SURFACE (child)->x + child->shadow_left;
area.y = self->root_y + GDK_SURFACE (child)->y + child->shadow_top;
area.width = GDK_SURFACE (child)->width - child->shadow_left - child->shadow_right;
area.height = GDK_SURFACE (child)->height - child->shadow_top - child->shadow_bottom;
_gdk_macos_monitor_clamp (GDK_MACOS_MONITOR (best), &area);
area.x -= child->shadow_left;
area.y -= child->shadow_top;
_gdk_macos_surface_move (child, area.x, area.y);
gdk_surface_invalidate_rect (GDK_SURFACE (child), NULL);
}
}
_gdk_macos_surface_configure (self);
gdk_surface_invalidate_rect (GDK_SURFACE (self), NULL);
self->in_change_monitor = FALSE;