Alexandros Frantzis : winewayland.drv: Support mouse buttons 4 and 5.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 516bfa12416c41ddb7893e5ce4af17104a35c157
URL:    https://gitlab.winehq.org/wine/wine/-/commit/516bfa12416c41ddb7893e5ce4af171...

Author: Alexandros Frantzis 
Date:   Thu Dec 14 11:23:09 2023 +0200

winewayland.drv: Support mouse buttons 4 and 5.

Map linux mouse buttons to win32 XBUTTON1 and XBUTTON2. Although
BTN_SIDE and BTN_EXTRA are the typical event codes for these buttons,
some drivers use BTN_BACK and BTN_FORWARD, so map both pairs.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=56026

---

dlls/winewayland.drv/wayland_pointer.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/dlls/winewayland.drv/wayland_pointer.c b/dlls/winewayland.drv/wayland_pointer.c
index 3a0656b6580..fad75c8506c 100644
--- a/dlls/winewayland.drv/wayland_pointer.c
+++ b/dlls/winewayland.drv/wayland_pointer.c
@@ -163,6 +163,16 @@ static void pointer_handle_button(void *data, struct wl_pointer *wl_pointer,
     case BTN_LEFT: input.mi.dwFlags = MOUSEEVENTF_LEFTDOWN; break;
     case BTN_RIGHT: input.mi.dwFlags = MOUSEEVENTF_RIGHTDOWN; break;
     case BTN_MIDDLE: input.mi.dwFlags = MOUSEEVENTF_MIDDLEDOWN; break;
+    case BTN_SIDE:
+    case BTN_BACK:
+        input.mi.dwFlags = MOUSEEVENTF_XDOWN;
+        input.mi.mouseData = XBUTTON1;
+        break;
+    case BTN_EXTRA:
+    case BTN_FORWARD:
+        input.mi.dwFlags = MOUSEEVENTF_XDOWN;
+        input.mi.mouseData = XBUTTON2;
+        break;
     default: break;
     }