Fix mouse coordinates when viewport is scrolled for all events, not j…

…ust pressed (#11290) Does the mouse coordinate adjustment added in #10642 for all the other mouse events as well (moved, released, wheel) Closes #10190
microsoft · Sep 22, 2021 · f04fd08 · f04fd08
1 parent 86ba1fc
commit f04fd08
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Showing 2 changed files with 26 additions and 10 deletions.
diff --git a/src/cascadia/TerminalControl/ControlInteractivity.cpp b/src/cascadia/TerminalControl/ControlInteractivity.cpp
@@ -214,12 +214,7 @@ namespace winrt::Microsoft::Terminal::Control::implementation
         }
         else if (_canSendVTMouseInput(modifiers))
         {
-            const auto adjustment = _core->ScrollOffset() > 0 ? _core->BufferHeight() - _core->ScrollOffset() - _core->ViewHeight() : 0;
-            // If the click happened outside the active region, just don't send any mouse event
-            if (const auto adjustedY = terminalPosition.y() - adjustment; adjustedY >= 0)
-            {
-                _core->SendMouseEvent({ terminalPosition.x(), adjustedY }, pointerUpdateKind, modifiers, 0, toInternalMouseState(buttonState));
-            }
+            _sendMouseEventHelper(terminalPosition, pointerUpdateKind, modifiers, 0, buttonState);
         }
         else if (WI_IsFlagSet(buttonState, MouseButtonState::IsLeftButtonDown))
         {
@@ -287,7 +282,7 @@ namespace winrt::Microsoft::Terminal::Control::implementation
         // Short-circuit isReadOnly check to avoid warning dialog
         if (focused && !_core->IsInReadOnlyMode() && _canSendVTMouseInput(modifiers))
         {
-            _core->SendMouseEvent(terminalPosition, pointerUpdateKind, modifiers, 0, toInternalMouseState(buttonState));
+            _sendMouseEventHelper(terminalPosition, pointerUpdateKind, modifiers, 0, buttonState);
         }
         // GH#4603 - don't modify the selection if the pointer press didn't
         // actually start _in_ the control bounds. Case in point - someone drags
@@ -370,7 +365,7 @@ namespace winrt::Microsoft::Terminal::Control::implementation
         // Short-circuit isReadOnly check to avoid warning dialog
         if (!_core->IsInReadOnlyMode() && _canSendVTMouseInput(modifiers))
         {
-            _core->SendMouseEvent(terminalPosition, pointerUpdateKind, modifiers, 0, toInternalMouseState(buttonState));
+            _sendMouseEventHelper(terminalPosition, pointerUpdateKind, modifiers, 0, buttonState);
             return;
         }
 
@@ -420,11 +415,11 @@ namespace winrt::Microsoft::Terminal::Control::implementation
             // here with a PointerPoint. However, as of #979, we don't have a
             // PointerPoint to work with. So, we're just going to do a
             // mousewheel event manually
-            return _core->SendMouseEvent(terminalPosition,
+            return _sendMouseEventHelper(terminalPosition,
                                          WM_MOUSEWHEEL,
                                          modifiers,
                                          ::base::saturated_cast<short>(delta),
-                                         toInternalMouseState(buttonState));
+                                         buttonState);
         }
 
         const auto ctrlPressed = modifiers.IsCtrlPressed();
@@ -600,6 +595,21 @@ namespace winrt::Microsoft::Terminal::Control::implementation
         return til::point{ pixelPosition / fontSize };
     }
 
+    bool ControlInteractivity::_sendMouseEventHelper(const til::point terminalPosition,
+                                                     const unsigned int pointerUpdateKind,
+                                                     const ::Microsoft::Terminal::Core::ControlKeyStates modifiers,
+                                                     const SHORT wheelDelta,
+                                                     Control::MouseButtonState buttonState)
+    {
+        const auto adjustment = _core->ScrollOffset() > 0 ? _core->BufferHeight() - _core->ScrollOffset() - _core->ViewHeight() : 0;
+        // If the click happened outside the active region, just don't send any mouse event
+        if (const auto adjustedY = terminalPosition.y() - adjustment; adjustedY >= 0)
+        {
+            return _core->SendMouseEvent({ terminalPosition.x(), adjustedY }, pointerUpdateKind, modifiers, wheelDelta, toInternalMouseState(buttonState));
+        }
+        return false;
+    }
+
     // Method Description:
     // - Creates an automation peer for the Terminal Control, enabling
     //   accessibility on our control.

diff --git a/src/cascadia/TerminalControl/ControlInteractivity.h b/src/cascadia/TerminalControl/ControlInteractivity.h
@@ -142,6 +142,12 @@ namespace winrt::Microsoft::Terminal::Control::implementation
         void _sendPastedTextToConnection(std::wstring_view wstr);
         til::point _getTerminalPosition(const til::point& pixelPosition);
 
+        bool _sendMouseEventHelper(const til::point terminalPosition,
+                                   const unsigned int pointerUpdateKind,
+                                   const ::Microsoft::Terminal::Core::ControlKeyStates modifiers,
+                                   const SHORT wheelDelta,
+                                   Control::MouseButtonState buttonState);
+
         friend class ControlUnitTests::ControlCoreTests;
         friend class ControlUnitTests::ControlInteractivityTests;
     };