1/* Copyright (c) 2013-2016 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#include "remap.h"
 7
 8#include "gba/input.h"
 9#include "util/gui.h"
10#include "util/gui/menu.h"
11
12void GBAGUIRemapKeys(struct GUIParams* params, struct GBAInputMap* map, const struct GUIInputKeys* keys) {
13	struct GUIMenu menu = {
14		.title = "Remap keys",
15		.index = 0,
16		.background = 0
17	};
18	GUIMenuItemListInit(&menu.items, 0);
19	const char* keyNames[keys->nKeys + 1];
20	memcpy(&keyNames[1], keys->keyNames, keys->nKeys * sizeof(keyNames[0]));
21	keyNames[0] = "Unmapped";
22	size_t i;
23	for (i = 0; i < GBA_KEY_MAX; ++i) {
24		*GUIMenuItemListAppend(&menu.items) = (struct GUIMenuItem) {
25			.title = GBAKeyNames[i],
26			.data = (void*) (GUI_INPUT_MAX + i),
27			.submenu = 0,
28			.state = GBAInputQueryBinding(map, keys->id, i) + 1,
29			.validStates = keyNames,
30			.nStates = keys->nKeys + 1
31		};
32	}
33	*GUIMenuItemListAppend(&menu.items) = (struct GUIMenuItem) {
34		.title = "Save",
35		.data = (void*) (GUI_INPUT_MAX + GBA_KEY_MAX + 2),
36	};
37	*GUIMenuItemListAppend(&menu.items) = (struct GUIMenuItem) {
38		.title = "Cancel",
39		.data = 0,
40	};
41
42	struct GUIMenuItem* item;
43	while (true) {
44		enum GUIMenuExitReason reason;
45		reason = GUIShowMenu(params, &menu, &item);
46		if (reason != GUI_MENU_EXIT_ACCEPT || !item->data) {
47			break;
48		}
49		if (item->data == (void*) (GUI_INPUT_MAX + GBA_KEY_MAX + 2)) {
50			for (i = 0; i < GUIMenuItemListSize(&menu.items); ++i) {
51				item = GUIMenuItemListGetPointer(&menu.items, i);
52				if (i < GBA_KEY_MAX) {
53					GBAInputBindKey(map, keys->id, item->state - 1, i);
54				}
55			}
56			break;
57		}
58		if (item->validStates) {
59			// TODO: Open remap menu
60		}
61	}
62}