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Fix ImGui crash

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This commit is contained in:
Lam Wei Lun
2026-08-31 14:50:15 +08:00
parent fff0efdb27
commit a6483e79b2
2 changed files with 10 additions and 1 deletions
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src/slic3r/GUI/NotificationManager.hpp
+5
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@@ -1054,6 +1054,11 @@ private:
bool m_is_dark = false;
// set by init(), until false notifications are only added not updated and frame is not requested after push
bool m_initialized{ false };
// set by render_notifications() on the first rendered frame. m_initialized only proves the
// manager exists, not that the ImGui context can measure text: the font atlas is built lazily
// in ImGuiWrapper::new_frame() on the first GL render, so updating a notification before that
// (PopNotification::init -> count_spaces -> ImGui::CalcTextSize) dereferences a null font.
bool m_imgui_ready{ false };
// Target for wxWidgets events sent by clicking on the hyperlink available at some notifications.
wxEvtHandler* m_evt_handler;
// Cache of IDs to identify and reuse ImGUI windows.