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Docking: Fix a crash that could occur with a malformed ini file (DockNode Parent value pointing to a missing node)

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omar 2019-08-01 15:50:05 -07:00
parent 967073ba3d
commit 3aa9aae0be
1 changed files with 3 additions and 2 deletions
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3
imgui.cpp
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@ -11426,12 +11426,13 @@ static void ImGui::DockContextPruneUnusedSettingsNodes(ImGuiContext* ctx)
} }
// Count reference to dock ids from window settings // Count reference to dock ids from window settings
// We guard against the possibility of an invalid .ini file (RootID may point to a missing node)
for (int settings_n = 0; settings_n < g.SettingsWindows.Size; settings_n++) for (int settings_n = 0; settings_n < g.SettingsWindows.Size; settings_n++)
if (ImGuiID dock_id = g.SettingsWindows[settings_n].DockId) if (ImGuiID dock_id = g.SettingsWindows[settings_n].DockId)
if (ImGuiDockContextPruneNodeData* data = pool.GetByKey(dock_id)) if (ImGuiDockContextPruneNodeData* data = pool.GetByKey(dock_id))
{ {
ImGuiDockContextPruneNodeData* data_root = (data->RootID == dock_id) ? data : pool.GetByKey(data->RootID);
data->CountWindows++; data->CountWindows++;
if (ImGuiDockContextPruneNodeData* data_root = (data->RootID == dock_id) ? data : pool.GetByKey(data->RootID))
data_root->CountChildWindows++; data_root->CountChildWindows++;
} }