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

winewayland.drv: Support mouse buttons 4 and 5.
516bfa12 · Alexandros Frantzis · Alexandre Julliard · b853a670 · 516bfa12
Commit 516bfa12 authored Dec 14, 2023 by Alexandros Frantzis Committed by Alexandre Julliard Dec 15, 2023
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wayland_pointer.c dlls/winewayland.drv/wayland_pointer.c +10 -0

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--- 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;
    }