mirror of https://github.com/mgba-emu/mgba.git
93 lines
1.9 KiB
C
93 lines
1.9 KiB
C
/* Copyright (c) 2013-2015 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GUI_H
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#define GUI_H
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#include <mgba-util/common.h>
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CXX_GUARD_START
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// TODO: Fix layering violation
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#include <mgba/core/input.h>
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#include <mgba-util/vector.h>
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struct GUIFont;
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enum GUIInput {
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GUI_INPUT_NONE = -1,
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GUI_INPUT_SELECT = 0,
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GUI_INPUT_BACK,
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GUI_INPUT_CANCEL,
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GUI_INPUT_UP,
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GUI_INPUT_DOWN,
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GUI_INPUT_LEFT,
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GUI_INPUT_RIGHT,
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GUI_INPUT_USER_START = 0x8,
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GUI_INPUT_MAX = 0x20
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};
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enum GUICursorState {
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GUI_CURSOR_NOT_PRESENT = 0,
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GUI_CURSOR_UP,
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GUI_CURSOR_DOWN,
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GUI_CURSOR_CLICKED,
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GUI_CURSOR_DRAGGING
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};
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enum {
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BATTERY_EMPTY = 0,
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BATTERY_LOW = 25,
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BATTERY_HALF = 50,
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BATTERY_HIGH = 75,
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BATTERY_FULL = 100,
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BATTERY_VALUE = 0x7F,
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BATTERY_PERCENTAGE_VALID = 0x80,
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BATTERY_CHARGING = 0x100,
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BATTERY_NOT_PRESENT = 0x200,
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};
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struct GUIBackground {
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void (*draw)(struct GUIBackground*, void* context);
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};
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struct GUIParams {
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unsigned width;
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unsigned height;
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const struct GUIFont* font;
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const char* basePath;
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void (*drawStart)(void);
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void (*drawEnd)(void);
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uint32_t (*pollInput)(const struct mInputMap*);
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enum GUICursorState (*pollCursor)(unsigned* x, unsigned* y);
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int (*batteryState)(void);
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void (*guiPrepare)(void);
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void (*guiFinish)(void);
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// State
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struct mInputMap keyMap;
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int inputHistory[GUI_INPUT_MAX];
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enum GUICursorState cursorState;
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int cx, cy;
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// Directories
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char currentPath[PATH_MAX];
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size_t fileIndex;
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};
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void GUIInit(struct GUIParams* params);
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void GUIPollInput(struct GUIParams* params, uint32_t* newInput, uint32_t* heldInput);
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enum GUICursorState GUIPollCursor(struct GUIParams* params, unsigned* x, unsigned* y);
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void GUIInvalidateKeys(struct GUIParams* params);
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CXX_GUARD_END
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#endif
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