mgba/include/mgba-util/gui.h

137 lines
2.6 KiB
C

/* Copyright (c) 2013-2015 Jeffrey Pfau
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GUI_H
#define GUI_H
#include <mgba-util/common.h>
CXX_GUARD_START
// TODO: Fix layering violation
#include <mgba/core/input.h>
#include <mgba-util/vector.h>
#define MAX_KEYBOARD_LEN 256
#define MAX_KEYBOARD_TITLE_LEN 128
struct GUIFont;
enum GUIInput {
GUI_INPUT_NONE = -1,
GUI_INPUT_SELECT = 0,
GUI_INPUT_BACK,
GUI_INPUT_CANCEL,
GUI_INPUT_UP,
GUI_INPUT_DOWN,
GUI_INPUT_LEFT,
GUI_INPUT_RIGHT,
GUI_INPUT_USER_START = 0x8,
GUI_INPUT_MAX = 0x20
};
enum GUICursorState {
GUI_CURSOR_NOT_PRESENT = 0,
GUI_CURSOR_UP,
GUI_CURSOR_DOWN,
GUI_CURSOR_CLICKED,
GUI_CURSOR_DRAGGING
};
enum GUIKeyboardStatus {
GUI_KEYBOARD_DONE = 0,
GUI_KEYBOARD_CANCEL,
};
enum GUIKeyFunction {
GUI_KEYFUNC_INPUT_DATA = 0,
GUI_KEYFUNC_CHANGE_KB,
GUI_KEYFUNC_SHIFT_KB,
GUI_KEYFUNC_BACKSPACE,
GUI_KEYFUNC_ENTER,
GUI_KEYFUNC_CANCEL,
GUI_KEYFUNC_LEFT,
GUI_KEYFUNC_RIGHT,
};
enum {
BATTERY_EMPTY = 0,
BATTERY_LOW = 25,
BATTERY_HALF = 50,
BATTERY_HIGH = 75,
BATTERY_FULL = 100,
BATTERY_VALUE = 0x7F,
BATTERY_PERCENTAGE_VALID = 0x80,
BATTERY_CHARGING = 0x100,
BATTERY_NOT_PRESENT = 0x200,
};
struct GUIBackground {
void (*draw)(struct GUIBackground*, void* context);
};
struct GUIKeyboardParams {
char title[MAX_KEYBOARD_TITLE_LEN];
char result[MAX_KEYBOARD_LEN];
size_t maxLen;
bool multiline;
};
struct GUIKey {
const char* name;
const void* data;
int width;
enum GUIKeyFunction function;
};
struct GUIKeyboard {
struct {
int offset;
struct GUIKey* keys;
} rows[5];
int width;
};
struct GUIParams {
unsigned width;
unsigned height;
struct GUIFont* font;
const char* basePath;
void (*drawStart)(void);
void (*drawEnd)(void);
uint32_t (*pollInput)(const struct mInputMap*);
enum GUICursorState (*pollCursor)(unsigned* x, unsigned* y);
int (*batteryState)(void);
void (*guiPrepare)(void);
void (*guiFinish)(void);
enum GUIKeyboardStatus (*getText)(struct GUIKeyboardParams*);
// State
struct mInputMap keyMap;
int inputHistory[GUI_INPUT_MAX];
enum GUICursorState cursorState;
int cx, cy;
// Directories
char currentPath[PATH_MAX];
size_t fileIndex;
};
void GUIInit(struct GUIParams* params);
void GUIPollInput(struct GUIParams* params, uint32_t* newInput, uint32_t* heldInput);
enum GUICursorState GUIPollCursor(struct GUIParams* params, unsigned* x, unsigned* y);
void GUIInvalidateKeys(struct GUIParams* params);
void GUIKeyboardParamsInit(struct GUIKeyboardParams*);
CXX_GUARD_END
#endif