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1661 mateusz.vi 1
/*
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 * Mouse routines
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 *
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 * This file is part of the Mateusz' DOS Routines (MDR): http://mdr.osdn.io
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 * Published under the terms of the MIT License, as stated below.
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 *
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 * Copyright (C) 2014-2023 Mateusz Viste
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to
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 * deal in the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 */
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#ifndef MDR_MOUSE_H
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  #define MDR_MOUSE_H
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  /* init the mouse driver (and checks for presence of mouse support at same time)
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   * returns 0 if no mouse is present, and the number of buttons otherwise.
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   * after initialization the mouse cursor is hidden, use mdr_mouse_show() to
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   * make it visible. */
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  int mdr_mouse_init(void);
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  /* shows the mouse pointer */
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  void mdr_mouse_show(void);
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  /* hides the mouse pointer */
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  void mdr_mouse_hide(void);
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  /* get x/y coordinates of the mouse, and returns a bitfield with state of buttons */
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  int mdr_mouse_getstate(int *x, int *y);
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  /* get x/y coordinates of the mouse when the last button release occured since last check.
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     returns the id of the button pressed (1 or 2), or 0 if no event occured. */
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  int mdr_mouse_fetchrelease(int *x, int *y);
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  /* set graphic pointer shape. icon is 64-bytes long, two sets of 32. each set
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   * of 32 bytes is organized as a 16x16 bitmap, ie. 16 rows of 16-bit values.
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   * a) the first set of 16 shorts defines the background mask - that is, the
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   * background will show through wherever there is a 1-bit in that data.
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   * b) the second set defines the "XOR mask" - that is, the pixels matching the
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   * 1-bit in this data set are toggled.
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   * hotspotx and hotspoty define respectively the horizontal and vertical hot
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   * spot of the pointer (default being [0,0], that is the top left corner). */
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  void mdr_mouse_setcursor(const unsigned short *icon, unsigned char hotspotx, unsigned char hotspoty);
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#endif