Menus: reuse more menu windows when stacked over popups.

This is actually mostly aimed at ensuring the _ChildWindow flag on menu window doesn't vary as this would cause issues with our current g.WindowsFocusOrder[] scheme
This commit is contained in:
ocornut 2021-12-13 19:35:16 +01:00
parent 0e8c199e87
commit 11638fdf7d
2 changed files with 7 additions and 1 deletions

View File

@ -5990,6 +5990,8 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window_stack_data.StackSizesOnBegin.SetToCurrentState();
g.CurrentWindowStack.push_back(window_stack_data);
g.CurrentWindow = NULL;
if (flags & ImGuiWindowFlags_ChildMenu)
g.BeginMenuCount++;
if (flags & ImGuiWindowFlags_Popup)
{
@ -6595,6 +6597,8 @@ void ImGui::End()
// Pop from window stack
g.LastItemData = g.CurrentWindowStack.back().ParentLastItemDataBackup;
if (window->Flags & ImGuiWindowFlags_ChildMenu)
g.BeginMenuCount--;
if (window->Flags & ImGuiWindowFlags_Popup)
g.BeginPopupStack.pop_back();
g.CurrentWindowStack.back().StackSizesOnBegin.CompareWithCurrentState();
@ -8710,7 +8714,7 @@ bool ImGui::BeginPopupEx(ImGuiID id, ImGuiWindowFlags flags)
char name[20];
if (flags & ImGuiWindowFlags_ChildMenu)
ImFormatString(name, IM_ARRAYSIZE(name), "##Menu_%02d", g.BeginPopupStack.Size); // Recycle windows based on depth
ImFormatString(name, IM_ARRAYSIZE(name), "##Menu_%02d", g.BeginMenuCount); // Recycle windows based on depth
else
ImFormatString(name, IM_ARRAYSIZE(name), "##Popup_%08x", id); // Not recycling, so we can close/open during the same frame

View File

@ -1580,6 +1580,7 @@ struct ImGuiContext
ImVector<ImGuiGroupData>GroupStack; // Stack for BeginGroup()/EndGroup() - not inherited by Begin()
ImVector<ImGuiPopupData>OpenPopupStack; // Which popups are open (persistent)
ImVector<ImGuiPopupData>BeginPopupStack; // Which level of BeginPopup() we are in (reset every frame)
int BeginMenuCount;
// Viewports
ImVector<ImGuiViewportP*> Viewports; // Active viewports (Size==1 in 'master' branch). Each viewports hold their copy of ImDrawData.
@ -1801,6 +1802,7 @@ struct ImGuiContext
LastActiveIdTimer = 0.0f;
CurrentItemFlags = ImGuiItemFlags_None;
BeginMenuCount = 0;
NavWindow = NULL;
NavId = NavFocusScopeId = NavActivateId = NavActivateDownId = NavActivatePressedId = NavActivateInputId = 0;