diff options
Diffstat (limited to 'indra/llwindow')
| -rw-r--r-- | indra/llwindow/llmousehandler.h | 1 | ||||
| -rw-r--r-- | indra/llwindow/llwindowcallbacks.cpp | 4 | ||||
| -rw-r--r-- | indra/llwindow/llwindowcallbacks.h | 1 | ||||
| -rw-r--r-- | indra/llwindow/llwindowwin32.cpp | 36 |
4 files changed, 42 insertions, 0 deletions
diff --git a/indra/llwindow/llmousehandler.h b/indra/llwindow/llmousehandler.h index 8e6fbdb4e3..1dcd0348d8 100644 --- a/indra/llwindow/llmousehandler.h +++ b/indra/llwindow/llmousehandler.h @@ -66,6 +66,7 @@ public: virtual BOOL handleHover(S32 x, S32 y, MASK mask) = 0; virtual BOOL handleScrollWheel(S32 x, S32 y, S32 clicks) = 0; + virtual BOOL handleScrollHWheel(S32 x, S32 y, S32 clicks) = 0; virtual BOOL handleToolTip(S32 x, S32 y, MASK mask) = 0; virtual const std::string& getName() const = 0; diff --git a/indra/llwindow/llwindowcallbacks.cpp b/indra/llwindow/llwindowcallbacks.cpp index c01f574375..be61e1e16c 100644 --- a/indra/llwindow/llwindowcallbacks.cpp +++ b/indra/llwindow/llwindowcallbacks.cpp @@ -130,6 +130,10 @@ void LLWindowCallbacks::handleScrollWheel(LLWindow *window, S32 clicks) { } +void LLWindowCallbacks::handleScrollHWheel(LLWindow *window, S32 clicks) +{ +} + void LLWindowCallbacks::handleResize(LLWindow *window, const S32 width, const S32 height) { } diff --git a/indra/llwindow/llwindowcallbacks.h b/indra/llwindow/llwindowcallbacks.h index 9304446f8f..3b18648138 100644 --- a/indra/llwindow/llwindowcallbacks.h +++ b/indra/llwindow/llwindowcallbacks.h @@ -56,6 +56,7 @@ public: virtual void handleMouseMove(LLWindow *window, LLCoordGL pos, MASK mask); virtual void handleMouseDragged(LLWindow *window, LLCoordGL pos, MASK mask); virtual void handleScrollWheel(LLWindow *window, S32 clicks); + virtual void handleScrollHWheel(LLWindow *window, S32 clicks); virtual void handleResize(LLWindow *window, S32 width, S32 height); virtual void handleFocus(LLWindow *window); virtual void handleFocusLost(LLWindow *window); diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp index 8fefb119bc..3c69aa98c4 100644 --- a/indra/llwindow/llwindowwin32.cpp +++ b/indra/llwindow/llwindowwin32.cpp @@ -2662,6 +2662,42 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_ return 0; } */ + case WM_MOUSEHWHEEL: + { + window_imp->mCallbacks->handlePingWatchdog(window_imp, "Main:WM_MOUSEHWHEEL"); + static short h_delta = 0; + + RECT client_rect; + + // eat scroll events that occur outside our window, since we use mouse position to direct scroll + // instead of keyboard focus + // NOTE: mouse_coord is in *window* coordinates for scroll events + POINT mouse_coord = {(S32)(S16)LOWORD(l_param), (S32)(S16)HIWORD(l_param)}; + + if (ScreenToClient(window_imp->mWindowHandle, &mouse_coord) + && GetClientRect(window_imp->mWindowHandle, &client_rect)) + { + // we have a valid mouse point and client rect + if (mouse_coord.x < client_rect.left || client_rect.right < mouse_coord.x + || mouse_coord.y < client_rect.top || client_rect.bottom < mouse_coord.y) + { + // mouse is outside of client rect, so don't do anything + return 0; + } + } + + S16 incoming_h_delta = HIWORD(w_param); + h_delta += incoming_h_delta; + + // If the user rapidly spins the wheel, we can get messages with + // large deltas, like 480 or so. Thus we need to scroll more quickly. + if (h_delta <= -WHEEL_DELTA || WHEEL_DELTA <= h_delta) + { + window_imp->mCallbacks->handleScrollHWheel(window_imp, h_delta / WHEEL_DELTA); + h_delta = 0; + } + return 0; + } // Handle mouse movement within the window case WM_MOUSEMOVE: { |