initial import of DOS mouse driver

1 files changed, 53 insertions, 0 deletions

diff --git a/w16mouse.h b/w16mouse.h
new file mode 100644
index 0000000..54b262f
--- /dev/null
+++ b/w16mouse.h
@@ -0,0 +1,53 @@
+#ifndef MOUSEW16_H
+#define MOUSEW16_H
+
+/* Win16's mouse driver interface. */
+
+/** Contains information about the mouse, used by Inquire(). */
+typedef _Packed struct MOUSEINFO
+{
+	/** Whether a mouse exists. */
+	char    msExist;
+	/** Whether the mouse returns absolute or relative coordinates. */
+	char    msRelative;
+	/** Number of buttons. */
+	short   msNumButtons;
+	/** Maximum number of events per second. */
+	short   msRate;
+	// Reserved:
+	short   msXThreshold;
+	short   msYThreshold;
+	short   msXRes;
+	short   msYRes;
+	// The following are available in Windows >= 3.1 only:
+	#if 0
+	/** Specifies the COM port used, or 0 for none. */
+	short   msMouseCommPort;
+	#endif
+} MOUSEINFO;
+typedef MOUSEINFO __far *LPMOUSEINFO;
+
+/** Movement occurred. */
+#define SF_MOVEMENT 0x0001
+/** Button 1 changed to down. */
+#define SF_B1_DOWN  0x0002
+/** Button 1 changed to up. */
+#define SF_B1_UP    0x0004
+/** Button 2 changed to down. */
+#define SF_B2_DOWN  0x0008
+/** Button 2 changed to up. */
+#define SF_B2_UP    0x0010
+/** Event coordinates are absolute instead of relative. */
+#define SF_ABSOLUTE 0x8000
+
+/** Driver should call this callback when there are new mouse events to report.
+ *  @param Status What happened. Combination of SF_MOVEMENT, SF_ABSOLUTE, etc.
+ *  @param deltaX either number of mickeys moved or absolute coordinate if SB_ABSOLUTE.
+ *  @param deltaY either number of mickeys moved or absolute coordinate if SB_ABSOLUTE.
+ *  @param ButtonCount number of buttons
+ *  @param extra1,extra2 leave as zero
+ */
+typedef void (__far *LPFN_MOUSEEVENT)(unsigned short Status, short deltaX, short deltaY, short ButtonCount, short extra1, short extra2);
+#pragma aux MOUSEEVENTPROC parm [ax] [bx] [cx] [dx] [di] [si]
+
+#endif