interface_regions.cc

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/* SPDX-FileCopyrightText: 2008 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "BLI_listbase.h"
#include "BLI_utildefines.h"
#include "MEM_guardedalloc.h"
 
#include "BKE_context.hh"
#include "BKE_screen.hh"
 
#include "wm_draw.hh"
 
#include "ED_screen.hh"
 
#include "interface_regions_intern.hh"
 
ARegion *ui_region_temp_add(bScreen *screen)
{
  ARegion *region = MEM_cnew<ARegion>(__func__);
  BLI_addtail(&screen->regionbase, region);
 
  region->regiontype = RGN_TYPE_TEMPORARY;
  region->alignment = RGN_ALIGN_FLOAT;
 
  return region;
}
 
void ui_region_temp_remove(bContext *C, bScreen *screen, ARegion *region)
{
  wmWindow *win = CTX_wm_window(C);
 
  BLI_assert(region->regiontype == RGN_TYPE_TEMPORARY);
  BLI_assert(BLI_findindex(&screen->regionbase, region) != -1);
  if (win) {
    wm_draw_region_clear(win, region);
  }
 
  ED_region_exit(C, region);
  BKE_area_region_free(nullptr, region); /* nullptr: no space-type. */
  BLI_freelinkN(&screen->regionbase, region);
 
  if (CTX_wm_region(C) == region) {
    CTX_wm_region_set(C, nullptr);
  }
  if (CTX_wm_region_popup(C) == region) {
    CTX_wm_region_popup_set(C, nullptr);
  }
}