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_MENU_H
 7#define GUI_MENU_H
 8
 9#include <mgba-util/common.h>
10
11CXX_GUARD_START
12
13#include <mgba-util/vector.h>
14
15#define GUI_V_V (struct GUIVariant) { .type = GUI_VARIANT_VOID }
16#define GUI_V_U(U) (struct GUIVariant) { .type = GUI_VARIANT_UNSIGNED, .v.u = (U) }
17#define GUI_V_I(I) (struct GUIVariant) { .type = GUI_VARIANT_INT, .v.i = (I) }
18#define GUI_V_F(F) (struct GUIVariant) { .type = GUI_VARIANT_FLOAT, .v.f = (F) }
19#define GUI_V_S(S) (struct GUIVariant) { .type = GUI_VARIANT_STRING, .v.s = (S) }
20
21enum GUIVariantType {
22	GUI_VARIANT_VOID = 0,
23	GUI_VARIANT_UNSIGNED,
24	GUI_VARIANT_INT,
25	GUI_VARIANT_FLOAT,
26	GUI_VARIANT_STRING
27};
28
29struct GUIVariant {
30	enum GUIVariantType type;
31	union {
32		unsigned u;
33		int i;
34		float f;
35		const char* s;
36	} v;
37};
38
39struct GUIMenu;
40struct GUIMenuItem {
41	const char* title;
42	void* data;
43	unsigned state;
44	const char* const* validStates;
45	const struct GUIVariant* stateMappings;
46	unsigned nStates;
47	struct GUIMenu* submenu;
48};
49
50DECLARE_VECTOR(GUIMenuItemList, struct GUIMenuItem);
51
52struct GUIBackground;
53struct GUIMenu {
54	const char* title;
55	const char* subtitle;
56	struct GUIMenuItemList items;
57	size_t index;
58	struct GUIBackground* background;
59};
60
61enum GUIMenuExitReason {
62	GUI_MENU_EXIT_ACCEPT,
63	GUI_MENU_EXIT_BACK,
64	GUI_MENU_EXIT_CANCEL,
65};
66
67enum GUIMessageBoxButtons {
68	GUI_MESSAGE_BOX_OK = 1,
69	GUI_MESSAGE_BOX_CANCEL = 2
70};
71
72struct GUIParams;
73enum GUIMenuExitReason GUIShowMenu(struct GUIParams* params, struct GUIMenu* menu, struct GUIMenuItem** item);
74
75ATTRIBUTE_FORMAT(printf, 4, 5)
76enum GUIMenuExitReason GUIShowMessageBox(struct GUIParams* params, int buttons, int frames, const char* format, ...);
77
78void GUIDrawBattery(struct GUIParams* params);
79void GUIDrawClock(struct GUIParams* params);
80
81CXX_GUARD_END
82
83#endif