/*
 * $Id$
 *
 * ***** 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.
 *
 * The Original Code is Copyright (C) 2009 Blender Foundation.
 * All rights reserved.
 *
 * 
 * Contributor(s): Blender Foundation
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include <stdlib.h>
#include <stdio.h>

#include "RNA_define.h"
#include "RNA_enum_types.h"

#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "DNA_windowmanager_types.h"

#ifdef RNA_RUNTIME

#include "BKE_context.h"

static wmKeyMap *rna_keymap_active(wmKeyMap *km, bContext *C)
{
	wmWindowManager *wm = CTX_wm_manager(C);
	return WM_keymap_active(wm, km);
}

static void rna_keymap_restore_item_to_default(wmKeyMap *km, bContext *C, wmKeyMapItem *kmi)
{
	WM_keymap_restore_item_to_default(C, km, kmi);
}

static void rna_Operator_report(wmOperator *op, int type, const char *msg)
{
	BKE_report(op->reports, type, msg);
}

/* since event isnt needed... */
static void rna_Operator_enum_search_invoke(bContext *C, wmOperator *op)
{
	WM_enum_search_invoke(C, op, NULL);
	
}

static int rna_event_modal_handler_add(struct bContext *C, struct wmOperator *operator)
{
	return WM_event_add_modal_handler(C, operator) != NULL;
}

#else

#define WM_GEN_INVOKE_EVENT (1<<0)
#define WM_GEN_INVOKE_SIZE (1<<1)
#define WM_GEN_INVOKE_RETURN (1<<2)

static void rna_generic_op_invoke(FunctionRNA *func, int flag)
{
	PropertyRNA *parm;

	RNA_def_function_flag(func, FUNC_NO_SELF|FUNC_USE_CONTEXT);
	parm= RNA_def_pointer(func, "operator", "Operator", "", "Operator to call.");
	RNA_def_property_flag(parm, PROP_REQUIRED);

	if(flag & WM_GEN_INVOKE_EVENT) {
		parm= RNA_def_pointer(func, "event", "Event", "", "Event.");
		RNA_def_property_flag(parm, PROP_REQUIRED);
	}

	if(flag & WM_GEN_INVOKE_SIZE) {
		RNA_def_int(func, "width", 300, 0, INT_MAX, "", "Width of the popup.", 0, INT_MAX);
		RNA_def_int(func, "height", 20, 0, INT_MAX, "", "Height of the popup.", 0, INT_MAX);
	}

	if(flag & WM_GEN_INVOKE_RETURN) {
		parm= RNA_def_enum_flag(func, "result", operator_return_items, OPERATOR_CANCELLED, "result", "");
		RNA_def_function_return(func, parm);
	}
}

void RNA_api_wm(StructRNA *srna)
{
	FunctionRNA *func;
	PropertyRNA *parm;

	func= RNA_def_function(srna, "fileselect_add", "WM_event_add_fileselect");
	RNA_def_function_ui_description(func, "Show up the file selector.");
	rna_generic_op_invoke(func, 0);

	func= RNA_def_function(srna, "modal_handler_add", "rna_event_modal_handler_add");
	RNA_def_function_flag(func, FUNC_NO_SELF|FUNC_USE_CONTEXT);
	parm= RNA_def_pointer(func, "operator", "Operator", "", "Operator to call.");
	RNA_def_property_flag(parm, PROP_REQUIRED);
	RNA_def_function_return(func, RNA_def_boolean(func, "handle", 1, "", ""));

	/* invoke functions, for use with python */
	func= RNA_def_function(srna, "invoke_props_popup", "WM_operator_props_popup");
	RNA_def_function_ui_description(func, "Operator popup invoke.");
	rna_generic_op_invoke(func, WM_GEN_INVOKE_EVENT|WM_GEN_INVOKE_RETURN);

	/* invoked dialog opens popup with OK button, does not auto-exec operator. */
	func= RNA_def_function(srna, "invoke_props_dialog", "WM_operator_props_dialog_popup");
	RNA_def_function_ui_description(func, "Operator dialog (non-autoexec popup) invoke.");
	rna_generic_op_invoke(func, WM_GEN_INVOKE_SIZE|WM_GEN_INVOKE_RETURN);

	/* invoke enum */
	func= RNA_def_function(srna, "invoke_search_popup", "rna_Operator_enum_search_invoke");
	rna_generic_op_invoke(func, 0);

	/* invoke functions, for use with python */
	func= RNA_def_function(srna, "invoke_popup", "WM_operator_ui_popup");
	RNA_def_function_ui_description(func, "Operator popup invoke.");
	rna_generic_op_invoke(func, WM_GEN_INVOKE_SIZE|WM_GEN_INVOKE_RETURN);

	func= RNA_def_function(srna, "invoke_confirm", "WM_operator_confirm");
	RNA_def_function_ui_description(func, "Operator confirmation.");
	rna_generic_op_invoke(func, WM_GEN_INVOKE_EVENT|WM_GEN_INVOKE_RETURN);
	
}

void RNA_api_operator(StructRNA *srna)
{
	FunctionRNA *func;
	PropertyRNA *parm;

	/* utility, not for registering */
	func= RNA_def_function(srna, "report", "rna_Operator_report");
	parm= RNA_def_enum_flag(func, "type", wm_report_items, 0, "Type", "");
	RNA_def_property_flag(parm, PROP_REQUIRED);
	parm= RNA_def_string(func, "message", "", 0, "Report Message", "");
	RNA_def_property_flag(parm, PROP_REQUIRED);


	/* Registration */

	/* poll */
	func= RNA_def_function(srna, "poll", NULL);
	RNA_def_function_ui_description(func, "Test if the operator can be called or not.");
	RNA_def_function_flag(func, FUNC_NO_SELF|FUNC_REGISTER_OPTIONAL);
	RNA_def_function_return(func, RNA_def_boolean(func, "visible", 1, "", ""));
	parm= RNA_def_pointer(func, "context", "Context", "", "");
	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);

	/* exec */
	func= RNA_def_function(srna, "execute", NULL);
	RNA_def_function_ui_description(func, "Execute the operator.");
	RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
	parm= RNA_def_pointer(func, "context", "Context", "", "");
	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);

	parm= RNA_def_enum_flag(func, "result", operator_return_items, OPERATOR_CANCELLED, "result", ""); // better name?
	RNA_def_function_return(func, parm);

	/* check */
	func= RNA_def_function(srna, "check", NULL);
	RNA_def_function_ui_description(func, "Check the operator settings.");
	RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
	parm= RNA_def_pointer(func, "context", "Context", "", "");
	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);

	parm= RNA_def_boolean(func, "result", 0, "result", ""); // better name?
	RNA_def_function_return(func, parm);
	
	/* invoke */
	func= RNA_def_function(srna, "invoke", NULL);
	RNA_def_function_ui_description(func, "Invoke the operator.");
	RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
	parm= RNA_def_pointer(func, "context", "Context", "", "");
	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);
	parm= RNA_def_pointer(func, "event", "Event", "", "");
	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);

	parm= RNA_def_enum_flag(func, "result", operator_return_items, OPERATOR_CANCELLED, "result", ""); // better name?
	RNA_def_function_return(func, parm);

	func= RNA_def_function(srna, "modal", NULL); /* same as invoke */
	RNA_def_function_ui_description(func, "Modal operator function.");
	RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
	parm= RNA_def_pointer(func, "context", "Context", "", "");
	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);
	parm= RNA_def_pointer(func, "event", "Event", "", "");
	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);

	parm= RNA_def_enum_flag(func, "result", operator_return_items, OPERATOR_CANCELLED, "result", ""); // better name?
	RNA_def_function_return(func, parm);

	/* draw */
	func= RNA_def_function(srna, "draw", NULL);
	RNA_def_function_ui_description(func, "Draw function for the operator.");
	RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
	parm= RNA_def_pointer(func, "context", "Context", "", "");
	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);
}

void RNA_api_macro(StructRNA *srna)
{
	FunctionRNA *func;
	PropertyRNA *parm;

	/* utility, not for registering */
	func= RNA_def_function(srna, "report", "rna_Operator_report");
	parm= RNA_def_enum_flag(func, "type", wm_report_items, 0, "Type", "");
	RNA_def_property_flag(parm, PROP_REQUIRED);
	parm= RNA_def_string(func, "message", "", 0, "Report Message", "");
	RNA_def_property_flag(parm, PROP_REQUIRED);


	/* Registration */

	/* poll */
	func= RNA_def_function(srna, "poll", NULL);
	RNA_def_function_ui_description(func, "Test if the operator can be called or not.");
	RNA_def_function_flag(func, FUNC_NO_SELF|FUNC_REGISTER_OPTIONAL);
	RNA_def_function_return(func, RNA_def_boolean(func, "visible", 1, "", ""));
	parm= RNA_def_pointer(func, "context", "Context", "", "");
	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);

	/* draw */
	func= RNA_def_function(srna, "draw", NULL);
	RNA_def_function_ui_description(func, "Draw function for the operator.");
	RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
	parm= RNA_def_pointer(func, "context", "Context", "", "");
	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);
}

void RNA_api_keyconfig(StructRNA *srna)
{
	// FunctionRNA *func;
	// PropertyRNA *parm;
}

void RNA_api_keymap(StructRNA *srna)
{
	FunctionRNA *func;
	PropertyRNA *parm;

	func= RNA_def_function(srna, "active", "rna_keymap_active");
	RNA_def_function_flag(func, FUNC_USE_CONTEXT);
	parm= RNA_def_pointer(func, "keymap", "KeyMap", "Key Map", "Active key map.");
	RNA_def_function_return(func, parm);

	func= RNA_def_function(srna, "copy_to_user", "WM_keymap_copy_to_user");
	parm= RNA_def_pointer(func, "keymap", "KeyMap", "Key Map", "User editable key map.");
	RNA_def_function_return(func, parm);

	RNA_def_function(srna, "restore_to_default", "WM_keymap_restore_to_default");

	func= RNA_def_function(srna, "restore_item_to_default", "rna_keymap_restore_item_to_default");
	RNA_def_function_flag(func, FUNC_USE_CONTEXT);
	parm= RNA_def_pointer(func, "item", "KeyMapItem", "Item", "");
	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);
}

void RNA_api_keymapitem(StructRNA *srna)
{
	FunctionRNA *func;
	PropertyRNA *parm;

	func= RNA_def_function(srna, "compare", "WM_keymap_item_compare");
	parm= RNA_def_pointer(func, "item", "KeyMapItem", "Item", "");
	RNA_def_property_flag(parm, PROP_REQUIRED);
	parm= RNA_def_boolean(func, "result", 0, "Comparison result", "");
	RNA_def_function_return(func, parm);
}
#endif