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-rw-r--r--indra/llwindow/llwindowwin32.cpp35
1 files changed, 23 insertions, 12 deletions
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index f2dd46fee7..6d5b42f2f1 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -3062,23 +3062,34 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
if (absolute_coordinates)
{
- bool v_desktop = (raw->data.mouse.usFlags & MOUSE_VIRTUAL_DESKTOP) == MOUSE_VIRTUAL_DESKTOP;
+ static S32 prev_absolute_x = 0;
+ static S32 prev_absolute_y = 0;
+ S32 absolute_x;
+ S32 absolute_y;
+
+ if ((raw->data.mouse.usFlags & 0x10) == 0x10) // touch screen? touch? Not defined in header
+ {
+ // touch screen spams (0,0) coordinates in a number of situations
+ // (0,0) might need to be filtered
+ absolute_x = raw->data.mouse.lLastX;
+ absolute_y = raw->data.mouse.lLastY;
+ }
+ else
+ {
+ bool v_desktop = (raw->data.mouse.usFlags & MOUSE_VIRTUAL_DESKTOP) == MOUSE_VIRTUAL_DESKTOP;
- S32 width = GetSystemMetrics(v_desktop ? SM_CXVIRTUALSCREEN : SM_CXSCREEN);
- S32 height = GetSystemMetrics(v_desktop ? SM_CYVIRTUALSCREEN : SM_CYSCREEN);
+ S32 width = GetSystemMetrics(v_desktop ? SM_CXVIRTUALSCREEN : SM_CXSCREEN);
+ S32 height = GetSystemMetrics(v_desktop ? SM_CYVIRTUALSCREEN : SM_CYSCREEN);
- S32 absolute_x = (raw->data.mouse.lLastX / 65535.0f) * width;
- S32 absolute_y = (raw->data.mouse.lLastY / 65535.0f) * height;
+ absolute_x = (raw->data.mouse.lLastX / 65535.0f) * width;
+ absolute_y = (raw->data.mouse.lLastY / 65535.0f) * height;
+ }
+
+ window_imp->mRawMouseDelta.mX += absolute_x - prev_absolute_x;
+ window_imp->mRawMouseDelta.mY -= absolute_y - prev_absolute_y;
- static S32 prev_absolute_x = 0;
- static S32 prev_absolute_y = 0;
- S32 delta_x = absolute_x - prev_absolute_x;
- S32 delta_y = absolute_y - prev_absolute_y;
prev_absolute_x = absolute_x;
prev_absolute_y = absolute_y;
-
- window_imp->mRawMouseDelta.mX += delta_x;
- window_imp->mRawMouseDelta.mY -= delta_y;
}
else
{