/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/editors/space_view3d/view3d_gizmo_preselect.c
 *  \ingroup spview3d
 */

#include "MEM_guardedalloc.h"

#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"

#include "BKE_context.h"

#include "ED_screen.h"

#include "UI_resources.h"

#include "WM_api.h"
#include "WM_types.h"
#include "WM_toolsystem.h"

#include "view3d_intern.h"  /* own include */

/* -------------------------------------------------------------------- */
/** \name Mesh Pre-Select Edge Ring Gizmo
 *
 * \{ */

struct GizmoGroupPreSelEdgeRing {
	wmGizmo *gizmo;
};

static bool WIDGETGROUP_mesh_preselect_edgering_poll(const bContext *C, wmGizmoGroupType *gzgt)
{
	bToolRef_Runtime *tref_rt = WM_toolsystem_runtime_from_context((bContext *)C);
	if ((tref_rt == NULL) ||
	    !STREQ(gzgt->idname, tref_rt->gizmo_group))
	{
		WM_gizmo_group_type_unlink_delayed_ptr(gzgt);
		return false;
	}
	return true;
}

static void WIDGETGROUP_mesh_preselect_edgering_setup(const bContext *UNUSED(C), wmGizmoGroup *gzgroup)
{
	const wmGizmoType *gzt_presel = WM_gizmotype_find("GIZMO_GT_preselect_edgering_3d", true);
	struct GizmoGroupPreSelEdgeRing *man = MEM_callocN(sizeof(struct GizmoGroupPreSelEdgeRing), __func__);
	gzgroup->customdata = man;

	wmGizmo *gz = man->gizmo = WM_gizmo_new_ptr(gzt_presel, gzgroup, NULL);
	UI_GetThemeColor3fv(TH_GIZMO_PRIMARY, gz->color);
	UI_GetThemeColor3fv(TH_GIZMO_HI, gz->color_hi);
}

void VIEW3D_GGT_mesh_preselect_edgering(wmGizmoGroupType *gzgt)
{
	gzgt->name = "Mesh Preselect Edge Ring";
	gzgt->idname = "VIEW3D_GGT_mesh_preselect_edgering";

	gzgt->flag = WM_GIZMOGROUPTYPE_3D;

	gzgt->gzmap_params.spaceid = SPACE_VIEW3D;
	gzgt->gzmap_params.regionid = RGN_TYPE_WINDOW;

	gzgt->poll = WIDGETGROUP_mesh_preselect_edgering_poll;
	gzgt->setup = WIDGETGROUP_mesh_preselect_edgering_setup;
}

/** \} */