xquartz: created darwinTablet, to represent tablet events

(cherry picked from commit 50641bce730ee03738fa0c4beb8125b34fda556f)

hw/xquartz/darwin.c

@@ -1,10 +1,9 @@
 /**************************************************************
  *
- * Shared code for the Darwin X Server
+ * Xquartz initialization code
- * running with Quartz or IOKit display mode
  *
+ * Copyright (c) 2007-2008 Apple Inc.
  * Copyright (c) 2001-2004 Torrey T. Lyons. All Rights Reserved.
- * Copyright (c) 2007 Apple Inc.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -112,6 +111,7 @@ int                     darwinFakeMouse3Mask = NX_COMMANDMASK;
 
 // devices
 DeviceIntPtr            darwinPointer = NULL;
+DeviceIntPtr            darwinTablet = NULL;
 DeviceIntPtr            darwinKeyboard = NULL;
 
 // Common pixmap formats
@@ -332,14 +332,13 @@ static void DarwinChangePointerControl(
 #endif
 
 /*
- * DarwinMouseProc
+ * DarwinMouseProc: Handle the initialization, etc. of a mouse
- *  Handle the initialization, etc. of a mouse
  */
 static int DarwinMouseProc(DeviceIntPtr pPointer, int what) {
+	// 7 buttons: left, right, middle, then four scroll wheel "buttons"
     CARD8 map[8] = {0, 1, 2, 3, 4, 5, 6, 7};
     
     switch (what) {
-            
         case DEVICE_INIT:
             pPointer->public.on = FALSE;
             
@@ -347,15 +346,13 @@ static int DarwinMouseProc(DeviceIntPtr pPointer, int what) {
             InitPointerDeviceStruct((DevicePtr)pPointer, map, 7,
                                     GetMotionHistory,
                                     (PtrCtrlProcPtr)NoopDDA,
-                                    GetMotionHistorySize(), 7);
+                                    GetMotionHistorySize(), 2);
-            InitProximityClassDeviceStruct(pPointer);
+								pPointer->name = strdup("Quartz Pointing Device");
             break;
-            
         case DEVICE_ON:
             pPointer->public.on = TRUE;
             AddEnabledDevice( darwinEventReadFD );
             return Success;
-            
         case DEVICE_CLOSE:
         case DEVICE_OFF:
             pPointer->public.on = FALSE;
@@ -366,6 +363,34 @@ static int DarwinMouseProc(DeviceIntPtr pPointer, int what) {
     return Success;
 }
 
+static int DarwinTabletProc(DeviceIntPtr pPointer, int what) {
+    CARD8 map[4] = {0, 1, 2, 3};
+    
+    switch (what) {
+        case DEVICE_INIT:
+            pPointer->public.on = FALSE;
+            
+            // Set button map.
+            InitPointerDeviceStruct((DevicePtr)pPointer, map, 3,
+                                    GetMotionHistory,
+                                    (PtrCtrlProcPtr)NoopDDA,
+                                    GetMotionHistorySize(), 7);
+            InitProximityClassDeviceStruct(pPointer);
+//			InitAbsoluteClassDeviceStruct(pPointer);
+			pPointer->name = strdup("pen");			
+            break;
+        case DEVICE_ON:
+            pPointer->public.on = TRUE;
+            AddEnabledDevice( darwinEventReadFD );
+            return Success;
+        case DEVICE_CLOSE:
+        case DEVICE_OFF:
+            pPointer->public.on = FALSE;
+            RemoveEnabledDevice(darwinEventReadFD);
+            return Success;
+    }
+    return Success;
+}
 
 /*
  * DarwinKeybdProc
@@ -376,6 +401,7 @@ static int DarwinKeybdProc( DeviceIntPtr pDev, int onoff )
     switch ( onoff ) {
         case DEVICE_INIT:
             DarwinKeyboardInit( pDev );
+			pDev->name = strdup("Quartz Keyboard");
             break;
         case DEVICE_ON:
             pDev->public.on = TRUE;
@@ -499,9 +525,11 @@ int DarwinParseModifierList(
 void InitInput( int argc, char **argv )
 {
     darwinPointer = AddInputDevice(DarwinMouseProc, TRUE);
-	darwinPointer->name = strdup("tablet");
     RegisterPointerDevice( darwinPointer );
 
+    darwinTablet = AddInputDevice(DarwinTabletProc, TRUE);
+    RegisterPointerDevice( darwinTablet );
+
     darwinKeyboard = AddInputDevice(DarwinKeybdProc, TRUE);
     RegisterKeyboardDevice( darwinKeyboard );
 

hw/xquartz/darwin.h

@@ -71,6 +71,7 @@ extern io_connect_t     darwinParamConnect;
 extern int              darwinEventReadFD;
 extern int              darwinEventWriteFD;
 extern DeviceIntPtr     darwinPointer;
+extern DeviceIntPtr     darwinTablet;
 extern DeviceIntPtr     darwinKeyboard;
 
 // User preferences

hw/xquartz/darwinEvents.c

@@ -365,6 +365,7 @@ void DarwinSendPointerEvents(int ev_type, int ev_button, int pointer_x, int poin
 	static int darwinFakeMouseButtonDown = 0;
 	static int darwinFakeMouseButtonMask = 0;
 	int i, num_events;
+	DeviceIntPtr dev;
 	
 //    DEBUG_LOG("x=%d, y=%d, p=%f, tx=%f, ty=%f\n", pointer_x, pointer_y, pressure, tilt_x, tilt_y);
     
@@ -376,6 +377,9 @@ void DarwinSendPointerEvents(int ev_type, int ev_button, int pointer_x, int poin
 	int valuators[5] = {pointer_x, pointer_y, pressure * SCALEFACTOR_PRESSURE, 
 		      tilt_x * SCALEFACTOR_TILT, tilt_y * SCALEFACTOR_TILT};
 	
+	if (pressure == 0 && tilt_x == 0 && tilt_y == 0) dev = darwinPointer;
+	else dev = darwinTablet;
+
 	DEBUG_LOG("Valuators: {%d,%d,%d,%d,%d}\n", 
 			valuators[0], valuators[1], valuators[2], valuators[3], valuators[4]);
 	if (ev_type == ButtonPress && darwinFakeButtons && ev_button == 1) {
@@ -410,9 +414,9 @@ void DarwinSendPointerEvents(int ev_type, int ev_button, int pointer_x, int poin
 	} 
 
     mieqEnqueue_lock(); {
-        num_events = GetPointerEvents(darwinEvents, darwinPointer, ev_type, ev_button, 
+        num_events = GetPointerEvents(darwinEvents, dev, ev_type, ev_button, 
-                                      POINTER_ABSOLUTE, 0, 5, valuators);
+                                      POINTER_ABSOLUTE, 0, dev==darwinTablet?5:2, valuators);
-        for(i=0; i<num_events; i++) mieqEnqueue (darwinPointer,&darwinEvents[i]);
+        for(i=0; i<num_events; i++) mieqEnqueue (dev,&darwinEvents[i]);
         DarwinPokeEQ();
 
     } mieqEnqueue_unlock();
@@ -460,9 +464,9 @@ void DarwinSendProximityEvents(int ev_type, int pointer_x, int pointer_y) {
 	}
 
     mieqEnqueue_lock(); {
-        num_events = GetProximityEvents(darwinEvents, darwinPointer, ev_type,
+        num_events = GetProximityEvents(darwinEvents, darwinTablet, ev_type,
                                         0, 5, valuators);
-        for(i=0; i<num_events; i++) mieqEnqueue (darwinPointer,&darwinEvents[i]);
+        for(i=0; i<num_events; i++) mieqEnqueue (darwinTablet,&darwinEvents[i]);
         DarwinPokeEQ();
     } mieqEnqueue_unlock();
 }