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layout: add missing groupbar decoration to the window (#3235)
* fix: add missing groupbar decoration to the window Add groupbar decoration to the operand window of `CWindow::insertWindowToGroup` if it does not exist, to prevent segmentation faults when mouse events are triggered after moving the window to a group, where `getDecorationByType(DECORATION_GROUPBAR)` unexpectedly returns nullptr. Also fixed a bug where the group bar disappeared when the moveIntoGroup dispatcher's operand window was in a group. * Update Window.cpp
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@ -733,6 +733,9 @@ void CWindow::insertWindowToGroup(CWindow* pWindow) {
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const auto BEGINAT = this;
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const auto ENDAT = m_sGroupData.pNextWindow;
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if (!pWindow->getDecorationByType(DECORATION_GROUPBAR))
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pWindow->m_dWindowDecorations.emplace_back(std::make_unique<CHyprGroupBarDecoration>(pWindow));
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if (!pWindow->m_sGroupData.pNextWindow) {
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BEGINAT->m_sGroupData.pNextWindow = pWindow;
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pWindow->m_sGroupData.pNextWindow = ENDAT;
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