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Begin: Simplified code and fixed a bug where appending into a window a second time (from a remote window) would incorrectly overwrite RootWindow with the current window in the stack. Our docking code uses this pattern.

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This commit is contained in:
omar 2017-11-06 23:55:40 +01:00
parent 16a5da9521
commit f0b4097c54
1 changed files with 8 additions and 12 deletions
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20
imgui.cpp
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@ -4181,21 +4181,17 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
g.SetNextWindowFocus = false;
}
// Update known root window (if we are a child window, otherwise window == window->RootWindow)
int root_idx, root_non_popup_idx;
for (root_idx = g.CurrentWindowStack.Size - 1; root_idx > 0; root_idx--)
if (!(g.CurrentWindowStack[root_idx]->Flags & ImGuiWindowFlags_ChildWindow))
break;
for (root_non_popup_idx = root_idx; root_non_popup_idx > 0; root_non_popup_idx--)
if (!(g.CurrentWindowStack[root_non_popup_idx]->Flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Popup)) || (g.CurrentWindowStack[root_non_popup_idx]->Flags & ImGuiWindowFlags_Modal))
break;
window->ParentWindow = parent_window;
window->RootWindow = g.CurrentWindowStack[root_idx];
window->RootNonPopupWindow = g.CurrentWindowStack[root_non_popup_idx]; // Used to display TitleBgActive color and for selecting which window to use for NavWindowing
// When reusing window again multiple times a frame, just append content (don't need to setup again)
if (first_begin_of_the_frame)
{
// Initialize
window->ParentWindow = parent_window;
window->RootWindow = !(flags & ImGuiWindowFlags_ChildWindow) ? window : parent_window->RootWindow;
window->RootNonPopupWindow = !(flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Popup)) || (flags & ImGuiWindowFlags_Modal) ? window : parent_window->RootNonPopupWindow; // Used to display TitleBgActive color and for selecting which window to use for NavWindowing
//window->RootNavWindow = window;
//while (window->RootNavWindow->Flags & ImGuiWindowFlags_NavFlattened)
// window->RootNavWindow = window->RootNavWindow->ParentWindow;
window->Active = true;
window->OrderWithinParent = 0;
window->BeginCount = 0;