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which included commits to RCS files with non-trunk default branches. git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/*
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* mouse.h
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*
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* Ullrich von Bassewitz, 24.04.1999
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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 proportional 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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void __fastcall__ mouse_init (unsigned char port, unsigned char sprite);
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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 switch 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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* 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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*/
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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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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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