wine-staging/patches/user32-rawinput-mouse/0004-winex11.drv-Keep-track-of-pointer-and-device-button-.patch

From 1bcdd8784df9149082a1686bb1a346a0d2f5bd28 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Bernon?= <rbernon@codeweavers.com>
Date: Thu, 19 Dec 2019 22:34:44 +0100
Subject: [PATCH] winex11.drv: Keep track of pointer and device button
 mappings.

We are going to receive raw button events and we will need to apply the
correct button mappings ourselves.

Original patch by Andrew Eikum <aeikum@codeweavers.com>.
---
 dlls/winex11.drv/keyboard.c    | 23 ++++++---
 dlls/winex11.drv/mouse.c       | 89 +++++++++++++++++++++++++++++++++-
 dlls/winex11.drv/x11drv.h      |  1 +
 dlls/winex11.drv/x11drv_main.c |  1 +
 4 files changed, 106 insertions(+), 8 deletions(-)

diff --git a/dlls/winex11.drv/keyboard.c b/dlls/winex11.drv/keyboard.c
index 195cc65eddb..83169a9bb4d 100644
--- a/dlls/winex11.drv/keyboard.c
+++ b/dlls/winex11.drv/keyboard.c
@@ -1811,13 +1811,24 @@ BOOL X11DRV_MappingNotify( HWND dummy, XEvent *event )
 {
     HWND hwnd;
 
-    XRefreshKeyboardMapping(&event->xmapping);
-    X11DRV_InitKeyboard( event->xmapping.display );
+    switch (event->xmapping.request)
+    {
+    case MappingModifier:
+    case MappingKeyboard:
+        XRefreshKeyboardMapping( &event->xmapping );
+        X11DRV_InitKeyboard( event->xmapping.display );
+
+        hwnd = get_focus();
+        if (!hwnd) hwnd = get_active_window();
+        NtUserPostMessage( hwnd, WM_INPUTLANGCHANGEREQUEST,
+                           0 /*FIXME*/, (LPARAM)NtUserGetKeyboardLayout(0) );
+        break;
+
+    case MappingPointer:
+        X11DRV_InitMouse( event->xmapping.display );
+        break;
+    }
 
-    hwnd = get_focus();
-    if (!hwnd) hwnd = get_active_window();
-    NtUserPostMessage( hwnd, WM_INPUTLANGCHANGEREQUEST,
-                       0 /*FIXME*/, (LPARAM)NtUserGetKeyboardLayout(0) );
     return TRUE;
 }
 
diff --git a/dlls/winex11.drv/mouse.c b/dlls/winex11.drv/mouse.c
index 2d4453e320a..abf14ac55b4 100644
--- a/dlls/winex11.drv/mouse.c
+++ b/dlls/winex11.drv/mouse.c
@@ -30,6 +30,9 @@
 #include <X11/Xlib.h>
 #include <X11/cursorfont.h>
 #include <stdarg.h>
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+#include <X11/extensions/XInput.h>
+#endif
 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
 #include <X11/extensions/XInput2.h>
 #endif
@@ -144,6 +147,14 @@ MAKE_FUNCPTR(XISelectEvents);
 #undef MAKE_FUNCPTR
 #endif
 
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+#define MAKE_FUNCPTR(f) static typeof(f) * p##f
+MAKE_FUNCPTR(XOpenDevice);
+MAKE_FUNCPTR(XCloseDevice);
+MAKE_FUNCPTR(XGetDeviceButtonMapping);
+#undef MAKE_FUNCPTR
+#endif
+
 /***********************************************************************
  *		X11DRV_Xcursor_Init
  *
@@ -249,6 +260,70 @@ void sync_window_cursor( Window window )
     set_window_cursor( window, cursor );
 }
 
+struct mouse_button_mapping
+{
+    int deviceid;
+    unsigned int button_count;
+    unsigned char buttons[256];
+};
+
+static struct mouse_button_mapping *pointer_mapping;
+static struct mouse_button_mapping *device_mapping;
+
+static void update_pointer_mapping( Display *display )
+{
+    struct mouse_button_mapping *tmp;
+
+    if (!(tmp = malloc( sizeof(*tmp) )))
+    {
+        WARN("Unable to allocate device mapping.\n");
+        return;
+    }
+
+    tmp->button_count = ARRAY_SIZE( tmp->buttons );
+    tmp->button_count = XGetPointerMapping( display, tmp->buttons, tmp->button_count );
+
+    tmp = InterlockedExchangePointer( (void**)&pointer_mapping, tmp );
+
+    free( tmp );
+}
+
+static void update_device_mapping( Display *display, int deviceid )
+{
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+    struct mouse_button_mapping *tmp;
+    XDevice *device;
+
+    if (!(device = pXOpenDevice( display, deviceid )))
+    {
+        WARN( "Unable to open cursor device %d\n", deviceid );
+        return;
+    }
+
+    if (!(tmp = malloc( sizeof(*tmp) )))
+    {
+        WARN( "Unable to allocate device mapping.\n" );
+        pXCloseDevice( display, device );
+        return;
+    }
+
+    tmp->deviceid = deviceid;
+    tmp->button_count = ARRAY_SIZE( tmp->buttons );
+    tmp->button_count = pXGetDeviceButtonMapping( display, device, tmp->buttons, tmp->button_count );
+
+    tmp = InterlockedExchangePointer( (void**)&device_mapping, tmp );
+
+    free( tmp );
+
+    pXCloseDevice( display, device );
+#endif
+}
+
+void X11DRV_InitMouse( Display *display )
+{
+    update_pointer_mapping( display );
+}
+
 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
 /***********************************************************************
  *              update_relative_valuators
@@ -1723,6 +1798,8 @@ static BOOL X11DRV_DeviceChanged( XGenericEventCookie *xev )
     if (event->reason != XISlaveSwitch) return FALSE;
 
     update_relative_valuators( event->classes, event->num_classes );
+    update_device_mapping( event->display, event->sourceid );
+
     return TRUE;
 }
 
@@ -1810,13 +1887,12 @@ static BOOL X11DRV_RawMotion( XGenericEventCookie *xev )
 
 #endif /* HAVE_X11_EXTENSIONS_XINPUT2_H */
 
-
 /***********************************************************************
  *              x11drv_xinput_load
  */
 void x11drv_xinput_load(void)
 {
-#if defined(SONAME_LIBXI) && defined(HAVE_X11_EXTENSIONS_XINPUT2_H)
+#if defined(SONAME_LIBXI)
     int event, error;
     void *libxi_handle = dlopen( SONAME_LIBXI, RTLD_NOW );
 
@@ -1832,11 +1908,20 @@ void x11drv_xinput_load(void)
         return; \
     }
 
+#ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
     LOAD_FUNCPTR(XIGetClientPointer);
     LOAD_FUNCPTR(XIFreeDeviceInfo);
     LOAD_FUNCPTR(XIQueryDevice);
     LOAD_FUNCPTR(XIQueryVersion);
     LOAD_FUNCPTR(XISelectEvents);
+#endif
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+    LOAD_FUNCPTR(XOpenDevice);
+    LOAD_FUNCPTR(XCloseDevice);
+    LOAD_FUNCPTR(XGetDeviceButtonMapping);
+#endif
+
 #undef LOAD_FUNCPTR
 
     xinput2_available = XQueryExtension( gdi_display, "XInputExtension", &xinput2_opcode, &event, &error );
diff --git a/dlls/winex11.drv/x11drv.h b/dlls/winex11.drv/x11drv.h
index 225b1534159..29c7259134a 100644
--- a/dlls/winex11.drv/x11drv.h
+++ b/dlls/winex11.drv/x11drv.h
@@ -695,6 +695,7 @@ extern void sync_window_cursor( Window window ) DECLSPEC_HIDDEN;
 extern void retry_grab_clipping_window(void) DECLSPEC_HIDDEN;
 extern void move_resize_window( HWND hwnd, int dir ) DECLSPEC_HIDDEN;
 extern void X11DRV_InitKeyboard( Display *display ) DECLSPEC_HIDDEN;
+extern void X11DRV_InitMouse( Display *display ) DECLSPEC_HIDDEN;
 extern BOOL X11DRV_ProcessEvents( DWORD mask ) DECLSPEC_HIDDEN;
 extern HWND *build_hwnd_list(void) DECLSPEC_HIDDEN;
 
diff --git a/dlls/winex11.drv/x11drv_main.c b/dlls/winex11.drv/x11drv_main.c
index 2691f40d750..fbff380c2b0 100644
--- a/dlls/winex11.drv/x11drv_main.c
+++ b/dlls/winex11.drv/x11drv_main.c
@@ -705,6 +705,7 @@ static NTSTATUS x11drv_init( void *arg )
 
     XkbUseExtension( gdi_display, NULL, NULL );
     X11DRV_InitKeyboard( gdi_display );
+    X11DRV_InitMouse( gdi_display );
     if (use_xim) use_xim = xim_init( input_style );
 
     init_user_driver();
-- 
2.40.1