/* */
/* */
/* */
-/* (C) 1999-2000 Ullrich von Bassewitz */
-/* Wacholderweg 14 */
-/* D-70597 Stuttgart */
-/* EMail: uz@musoftware.de */
+/* (C) 2003-2004 Ullrich von Bassewitz */
+/* Römerstraße 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
+/* */
+/* */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
-/* Define __MOUSE__ for systems that support a mouse */
-#if defined(__ATARI__) || defined(__C64__) || defined(__C128__)
-# define __MOUSE__
-#endif
-
-
-
/*****************************************************************************/
/* Definitions */
/*****************************************************************************/
-/* The different mouse types */
-#define MOUSE_TRAKBALL 0
-#define MOUSE_ST 1
-#define MOUSE_AMIGA 2
-#define MOUSE_C64 3 /* 1351 mouse */
+/* Error codes */
+#define MOUSE_ERR_OK 0 /* No error */
+#define MOUSE_ERR_NO_DRIVER 1 /* No driver available */
+#define MOUSE_ERR_CANNOT_LOAD 2 /* Error loading driver */
+#define MOUSE_ERR_INV_DRIVER 3 /* Invalid driver */
+#define MOUSE_ERR_NO_DEVICE 4 /* Mouse hardware not found */
+#define MOUSE_ERR_INV_IOCTL 5 /* Invalid ioctl code */
/* Mouse button masks */
#define MOUSE_BTN_LEFT 0x10
unsigned char buttons; /* Mouse button mask */
};
+/* Structure containing mouse callback functions. These functions are declared
+ * in C notation here, but they cannot be C functions (at least not easily),
+ * since they may be called from within an interrupt.
+ */
+struct mouse_callbacks {
+
+ void (*hide) (void);
+ /* Hide the mouse cursor. */
+
+ void (*show) (void);
+ /* Show the mouse cursor */
+
+ void (*movex) (void);
+ /* Move the mouse cursor to the new X coordinate. This function is called,
+ * even when the cursor is currently invisible.
+ */
+
+ void (*movey) (void);
+ /* Move the mouse cursor to the new Y coordinate. This function is called,
+ * even when the cursor is currently invisible.
+ */
+};
+
+/* The default mouse callbacks */
+extern const struct mouse_callbacks mouse_def_callbacks;
+
/*****************************************************************************/
-unsigned char __fastcall__ mouse_init (unsigned char port,
- unsigned char sprite,
- unsigned char type);
-/* Setup the mouse interrupt handler. If the sprite value is != zero, the
- * mouse routines will manage the sprite with this number. That means, it
- * is moved if the mouse is moved (provided that the mouse cursor is visible),
- * and switched on and off in the show and hide functions.
- * The port parameter gives the joystick port used for the mouse and is only
- * needed to read the mouse button state.
- * The type parameter is needed on some systems to determine the type of
- * the mouse connected to the given port.
- * After calling this function, the mouse is invisble, the cursor is placed
- * at 0/0 (upper left corner), and the bounding box is reset to cover the
- * whole screen. Call mouse_show once to make the mouse cursor visible.
- * The function will return zero if a mouse was not found and a non zero
- * value if the mouse was found and initialized (or if there is no way to
- * detect a mouse reliably).
- */
+unsigned char __fastcall__ mouse_load_driver (const struct mouse_callbacks* c,
+ const char* driver);
+/* Load and install a mouse driver, return an error code. */
-void __fastcall__ mouse_done (void);
-/* Disable the mouse, remove the interrupt handler. This function MUST be
- * called before terminating the program, otherwise odd things may happen.
- * If in doubt, install an exit handler (using atexit) that calls this
- * function.
- */
+unsigned char __fastcall__ mouse_unload (void);
+/* Uninstall, then unload the currently loaded driver. */
+
+unsigned char __fastcall__ mouse_install (const struct mouse_callbacks* c,
+ void* driver);
+/* Install an already loaded driver. Returns an error code. */
+
+unsigned char __fastcall__ mouse_uninstall (void);
+/* Uninstall the currently loaded driver. Returns an error code. */
+
+const char* __fastcall__ mouse_geterrormsg (unsigned char code);
+/* Get an error message describing the error in code. */
void __fastcall__ mouse_hide (void);
-/* Hide the mouse. This function doesn't do anything visible if no sprite is
- * used. The function manages a counter and may be called more than once.
- * For each call to mouse_hide there must be a call to mouse_show to make
+/* Hide the mouse. The function manages a counter and may be called more than
+ * once. For each call to mouse_hide there must be a call to mouse_show to make
* the mouse visible again.
*/
void __fastcall__ mouse_show (void);
-/* Show the mouse. This function doesn't do anything visible if no sprite is
- * used. See mouse_hide for more information.
- */
+/* Show the mouse. See mouse_hide for more information. */
void __fastcall__ mouse_box (int minx, int miny, int maxx, int maxy);
/* Set the bounding box for the mouse pointer movement. The mouse X and Y
* - Show the mouse again.
*
* NOTE2: When setting the box to something that is larger than the actual
- * screen, the positioning of the mouse cursor will fail. If such margins
+ * screen, the positioning of the mouse cursor can fail. If such margins
* are really what you want, you have to use your own cursor routines.
*/
void __fastcall__ mouse_info (struct mouse_info* info);
/* Return the state of the mouse buttons and the position of the mouse */
+unsigned char __fastcall__ mouse_ioctl (unsigned char code, void* data);
+/* Call the driver specific ioctl function. NON PORTABLE! Returns an error
+ * code.
+ */
+
+
/* End of mouse.h */
#endif
+
+
projects / cc65 / blobdiff