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Windows: Avoid sending mousewheel events to obscured windows

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reuk 2024-08-15 20:16:11 +01:00
parent cff48fdc63
commit 77bf765fcf
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GPG key ID: FCB43929F012EE5C
1 changed files with 22 additions and 7 deletions
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27
modules/juce_gui_basics/native/juce_Windowing_windows.cpp
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@ -2863,8 +2863,6 @@ private:
{
auto currentMousePos = getPOINTFromLParam ((LPARAM) GetMessagePos());
// Because Windows stupidly sends all wheel events to the window with the keyboard
// focus, we have to redirect them here according to the mouse pos..
auto* peer = getOwnerOfWindow (WindowFromPoint (currentMousePos));
if (peer == nullptr)
@ -2892,7 +2890,7 @@ private:
return MouseInputSource::InputSourceType::mouse;
}
void doMouseWheel (const WPARAM wParam, const bool isVertical)
bool doMouseWheel (const WPARAM wParam, const bool isVertical)
{
updateKeyModifiers();
const float amount = jlimit (-1000.0f, 1000.0f, 0.5f * (short) HIWORD (wParam));
@ -2904,8 +2902,19 @@ private:
wheel.isSmooth = false;
wheel.isInertial = false;
if (const auto [peer, localPos] = findPeerUnderMouse(); peer != nullptr)
// From Windows 10 onwards, mouse events are sent first to the window under the mouse, not
// the window with focus, despite what the MSDN docs might say.
// This is the behaviour we want; if we're receiving a scroll event, we can assume it
// should be processed by the current peer.
const auto currentMousePos = getPOINTFromLParam ((LPARAM) GetMessagePos());
auto* peer = getOwnerOfWindow (WindowFromPoint (currentMousePos));
if (peer == nullptr)
return false;
const auto localPos = peer->globalToLocal (convertPhysicalScreenPointToLogical (D2DUtilities::toPoint (currentMousePos), hwnd).toFloat());
peer->handleMouseWheel (getPointerType (wParam), localPos, getMouseEventTime(), wheel);
return true;
}
bool doGestureEvent (LPARAM lParam)
@ -3952,10 +3961,16 @@ private:
return 0;
case WM_POINTERWHEEL:
case 0x020A: /* WM_MOUSEWHEEL */ doMouseWheel (wParam, true); return 0;
case WM_MOUSEWHEEL:
if (doMouseWheel (wParam, true))
return 0;
break;
case WM_POINTERHWHEEL:
case 0x020E: /* WM_MOUSEHWHEEL */ doMouseWheel (wParam, false); return 0;
case WM_MOUSEHWHEEL:
if (doMouseWheel (wParam, false))
return 0;
break;
case WM_CAPTURECHANGED:
doCaptureChanged();