1/* Copyright (c) 2013-2015 Jeffrey Pfau
 2 *
 3 * This Source Code Form is subject to the terms of the Mozilla Public
 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 6#ifndef GUI_H
 7#define GUI_H
 8
 9#include "util/common.h"
10
11#include "util/vector.h"
12
13struct GUIFont;
14
15enum GUIInput {
16	GUI_INPUT_NONE = -1,
17	GUI_INPUT_SELECT = 0,
18	GUI_INPUT_BACK,
19	GUI_INPUT_CANCEL,
20
21	GUI_INPUT_UP,
22	GUI_INPUT_DOWN,
23	GUI_INPUT_LEFT,
24	GUI_INPUT_RIGHT,
25
26	GUI_INPUT_MAX
27};
28
29struct GUIParams {
30	unsigned width;
31	unsigned height;
32	const struct GUIFont* font;
33	const char* basePath;
34
35	void (*drawStart)(void);
36	void (*drawEnd)(void);
37	int (*pollInput)(void);
38	void (*guiPrepare)(void);
39	void (*guiFinish)(void);
40
41	// State
42	int inputHistory[GUI_INPUT_MAX];
43
44	// Directories
45	char currentPath[PATH_MAX];
46	size_t fileIndex;
47};
48
49#define GUI_PARAMS_TRAIL {}, "", 0
50
51void GUIInit(struct GUIParams* params);
52void GUIPollInput(struct GUIParams* params, int* newInput, int* heldInput);
53void GUIInvalidateKeys(struct GUIParams* params);
54
55#endif