Merge branch 'feature/KASM-2346_extend_mouse_buttons' into 'master'

Resolve KASM-2346 "Feature/ extend mouse buttons"

Closes KASM-2346

See merge request kasm-technologies/internal/KasmVNC!72

common/rfb/SMsgReader.cxx

@@ -225,7 +225,7 @@ void SMsgReader::readKeyEvent()
 
 void SMsgReader::readPointerEvent()
 {
-  int mask = is->readU8();
+  int mask = is->readU16();
   int x = is->readU16();
   int y = is->readU16();
   int scrollX = is->readS16();

doc/rfbproto.rst

@@ -1634,13 +1634,15 @@ On a conventional mouse, buttons 1, 2 and 3 correspond to the left,
 middle and right buttons on the mouse. On a wheel mouse, each step of
 the wheel is represented by a press and release of a certain button.
 Button 4 means up, button 5 means down, button 6 means left and
-button 7 means right.
+button 7 means right. Some pointer devices support additional buttons.
+Button 8 is typically the back button and button 9 is typically the 
+forward button.
 
 =============== ==================== ========== =======================
 No. of bytes    Type                 [Value]    Description
 =============== ==================== ========== =======================
 1               ``U8``               5          *message-type*
-1               ``U8``                          *button-mask*
+1               ``U16``                          *button-mask*
 2               ``U16``                         *x-position*
 2               ``U16``                         *y-position*
 =============== ==================== ========== =======================

kasmweb

@@ -1 +1 @@
-Subproject commit cac1f25ce4a5b866ac57ed62b682e89f1ce0dc92
+Subproject commit 26c97c1dd3b52f80af198fd05062ccd04d716f7d

unix/xserver/hw/vnc/Input.c

@@ -50,7 +50,7 @@ extern const unsigned int code_map_qnum_to_xorgevdev_len;
 extern const unsigned short code_map_qnum_to_xorgkbd[];
 extern const unsigned int code_map_qnum_to_xorgkbd_len;
 
-#define BUTTONS 7
+#define BUTTONS 10
 
 /* Event queue is shared between all devices. */
 #if XORG < 111