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Fix Graph Editor unintentional camera orbit in render view #2032

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9 changes: 9 additions & 0 deletions source/MaterialXGraphEditor/Graph.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -3240,6 +3240,15 @@ void Graph::graphButtons()
ImGui::BeginChild("Selection", ImVec2(paneWidth, 0), false, windowFlags);
ImVec2 windowPos = ImGui::GetWindowPos();

// Update cursorInRenderView to account for other windows overlapping the Render View (e.g. Menu dropdown).
cursorInRenderView &= ImGui::IsWindowHovered(ImGuiHoveredFlags_None);

// Update cursorInRenderView to account for visible scrollbar and scroll amount.
ImGuiContext* context = ImGui::GetCurrentContext();
bool hasScrollbar = context->CurrentWindow->ScrollbarY;
cursorInRenderView &= hasScrollbar ? mousePos.x < (tempWindowPos.x + screenSize.x - ImGui::GetStyle().ScrollbarSize) : true;
cursorInRenderView &= hasScrollbar ? mousePos.y < (tempWindowPos.y + screenSize.y - ImGui::GetScrollY()) : true;

// RenderView window
ImVec2 wsize = ImVec2((float) _renderer->getViewWidth(), (float) _renderer->getViewHeight());
_renderer->setViewWidth((int) screenSize[0]);
Expand Down