ps2: add support for mice with extra/side buttons

This enables the ps2 controller to process mouse events for buttons 4 and 5.
Additionally, distinct definitions for the ps2 mouse button state are
introduced. The legacy definitions from console.h are not used anymore.

Signed-off-by: Fabian Lesniak <fabian@lesniak-it.de>
Message-id: 20161206190007.7539-3-fabian@lesniak-it.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

hw/input/ps2.c

@@ -881,9 +881,11 @@ static void ps2_mouse_event(DeviceState *dev, QemuConsole *src,
                             InputEvent *evt)
 {
     static const int bmap[INPUT_BUTTON__MAX] = {
-        [INPUT_BUTTON_LEFT]   = MOUSE_EVENT_LBUTTON,
-        [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
-        [INPUT_BUTTON_RIGHT]  = MOUSE_EVENT_RBUTTON,
+        [INPUT_BUTTON_LEFT]   = PS2_MOUSE_BUTTON_LEFT,
+        [INPUT_BUTTON_MIDDLE] = PS2_MOUSE_BUTTON_MIDDLE,
+        [INPUT_BUTTON_RIGHT]  = PS2_MOUSE_BUTTON_RIGHT,
+        [INPUT_BUTTON_SIDE]   = PS2_MOUSE_BUTTON_SIDE,
+        [INPUT_BUTTON_EXTRA]  = PS2_MOUSE_BUTTON_EXTRA,
     };
     PS2MouseState *s = (PS2MouseState *)dev;
     InputMoveEvent *move;

include/hw/input/ps2.h

@@ -25,6 +25,12 @@
 #ifndef HW_PS2_H
 #define HW_PS2_H
 
+#define PS2_MOUSE_BUTTON_LEFT   0x01
+#define PS2_MOUSE_BUTTON_MIDDLE 0x02
+#define PS2_MOUSE_BUTTON_RIGHT  0x04
+#define PS2_MOUSE_BUTTON_SIDE   0x08
+#define PS2_MOUSE_BUTTON_EXTRA  0x10
+
 /* ps2.c */
 void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg);
 void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg);