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return code of mouse_init. git-svn-id: svn://svn.cc65.org/cc65/trunk@439 b7a2c559-68d2-44c3-8de9-860c34a00d81
151 lines
6.1 KiB
C
151 lines
6.1 KiB
C
/*****************************************************************************/
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/* */
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/* mouse.h */
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/* */
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/* Mouse API */
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/* */
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/* */
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/* */
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/* (C) 1999-2000 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef _MOUSE_H
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#define _MOUSE_H
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/* Define __MOUSE__ for systems that support a mouse */
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#ifdef __C64__
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# define __MOUSE__
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#endif
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#ifdef __C128__
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# define __MOUSE__
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#endif
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#ifdef __ATARI__
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# define __MOUSE__
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#endif
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/*****************************************************************************/
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/* Definitions */
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/*****************************************************************************/
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/* The different mouse types */
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#define MOUSE_TRAKBALL 0
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#define MOUSE_ST 1
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#define MOUSE_AMIGA 2
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#define MOUSE_C64 3 /* 1351 mouse */
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/* Mouse button masks */
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#define MOUSE_BTN_LEFT 0x10
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/*****************************************************************************/
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/* Functions */
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/*****************************************************************************/
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unsigned char __fastcall__ mouse_init (unsigned char port,
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unsigned char sprite,
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unsigned char type);
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/* Setup the mouse interrupt handler. If the sprite value is != zero, the
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* mouse routines will manage the sprite with this number. That means, it
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* is moved if the mouse is moved (provided that the mouse cursor is visible),
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* and switched on and off in the show and hide functions.
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* The port parameter gives the joystick port used for the mouse and is only
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* needed to read the mouse button state.
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* The type parameter is needed on some systems to determine the type of
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* the mouse connected to the given port.
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* After calling this function, the mouse is invisble, the cursor is placed
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* at 0/0 (upper left corner), and the bounding box is reset to cover the
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* whole screen. Call mouse_show once to make the mouse cursor visible.
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* The function will return zero if a mouse was not found and a non zero
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* value if the mouse was found and initialized (or if there is no way to
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* detect a mouse reliably).
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*/
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void mouse_done (void);
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/* Disable the mouse, remove the interrupt handler. This function MUST be
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* called before terminating the program, otherwise odd things may happen.
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* If in doubt, install an exit handler (using atexit) that calls this
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* function.
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*/
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void mouse_hide (void);
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/* Hide the mouse. This function doesn't do anything visible if no sprite is
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* used. The function manages a counter and may be called more than once.
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* For each call to mouse_hide there must be a call to mouse_show to make
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* the mouse visible again.
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*/
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void mouse_show (void);
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/* Show the mouse. This function doesn't do anything visible if no sprite is
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* used. See mouse_hide for more information.
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*/
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void __fastcall__ mouse_box (int minx, int miny, int maxx, int maxy);
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/* Set the bounding box for the mouse pointer movement. The mouse X and Y
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* coordinates will never go outside the given box.
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* NOTE: The function does *not* check if the mouse is currently inside the
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* given margins. The proper way to use this function therefore is:
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*
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* - Hide the mouse
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* - Set the bounding box
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* - Place the mouse at the desired position
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* - Show the mouse again.
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*
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* NOTE2: When setting the box to something that is larger than the actual
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* screen, the positioning of the mouse cursor will fail. If such margins
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* are really what you want, you have to use your own cursor routines.
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*/
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void __fastcall__ mouse_move (int x, int y);
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/* Set the mouse cursor to the given position. If a mouse cursor is defined
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* and currently visible, the mouse cursor is also moved.
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* NOTE: This function does not check if the given position is valid and
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* inside the bounding box.
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*/
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unsigned char mouse_buttons (void);
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/* Return a bit mask encoding the states of the mouse buttons. Use the
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* MOUSE_BTN_XXX flags to decode a specific button.
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*/
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void mouse_info (void);
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/* Hmmm...
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*/
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/* End of mouse.h */
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#endif
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