ui/ui/menu.h

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2017 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef UI_MENU_H
#define	UI_MENU_H

#include "toolkit.h"

#ifdef	__cplusplus
extern "C" {
#endif


typedef struct UiMenuItemArgs {
	const char* label;
	const char* icon;

	ui_callback onclick;
	void* onclickdata;

	const int* states;
} UiMenuItemArgs;

typedef struct UiMenuToggleItemArgs {
	const char* label;
	const char* icon;

	const char* varname;
	ui_callback onchange;
	void* onchangedata;

	const int* nstates;
} UiMenuToggleItemArgs;

typedef struct UiMenuItemListArgs {
	const char* varname;
	ui_getvaluefunc getvalue;
	ui_callback onselect;
	void* onselectdata;
        UiBool addseparator;
} UiMenuItemListArgs;

#define ui_menu(label) for(ui_menu_create(label);ui_menu_is_open();ui_menu_close())

#define ui_menuitem(...) ui_menuitem_create(&(UiMenuItemArgs){ __VA_ARGS__ })
#define ui_menu_toggleitem(...) ui_menu_toggleitem_create(&(UiMenuToggleItemArgs){ __VA_ARGS__ })
#define ui_menu_radioitem(...) ui_menu_radioitem_create(&(UiMenuToggleItemArgs){ __VA_ARGS__ })
#define ui_menu_itemlist(...) ui_menu_itemlist_create(&(UiMenuItemListArgs) { __VA_ARGS__ } )
#define ui_menu_togglelist(...) ui_menu_itemlist_create(&(UiMenuItemListArgs) { __VA_ARGS} )
#define ui_menu_radiolist(...) ui_menu_itemlist_create(&(UiMenuItemListArgs) { __VA_ARGS} )

UIEXPORT void ui_menu_create(const char* label);
UIEXPORT void ui_menuitem_create(UiMenuItemArgs *args);
UIEXPORT void ui_menu_toggleitem_create(UiMenuToggleItemArgs *args);
UIEXPORT void ui_menu_radioitem_create(UiMenuToggleItemArgs *args);

UIEXPORT void ui_menuseparator();

UIEXPORT void ui_menu_itemlist_create(UiMenuItemListArgs *args);
UIEXPORT void ui_menu_toggleitemlist_create(UiMenuItemListArgs *args);
UIEXPORT void ui_menu_radioitemlist_create(UiMenuItemListArgs *args);

UIEXPORT void ui_menu_end(void); // TODO: private

/*
 * widget menu functions
 */

#define ui_contextmenu(builder) for(ui_contextmenu_builder(builder);ui_menu_is_open();ui_menu_close())

UIEXPORT void ui_contextmenu_builder(UiMenuBuilder **out_builder);
UIEXPORT void ui_menubuilder_ref(UiMenuBuilder *builder);
UIEXPORT void ui_menubuilder_unref(UiMenuBuilder *builder);
UIEXPORT UIMENU ui_contextmenu_create(UiMenuBuilder *builder, UiObject *obj, UIWIDGET widget);
UIEXPORT void ui_contextmenu_popup(UIMENU menu, UIWIDGET widget, int x, int y);

// used for macro
UIEXPORT void ui_menu_close(void);
UIEXPORT int ui_menu_is_open(void);

#ifdef	__cplusplus
}
#endif

#endif	/* UI_MENU_H */