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OpenPopup(): Added ImGuiPopupFlags_NoReopen. Nav, Menus: Fixed click on a BeginMenu() followed by right-arrow. (#1497, #1533)

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ocornut
2024-02-08 15:02:22 +01:00
parent f104967c68
commit a06dd7a27b
4 changed files with 38 additions and 13 deletions
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16
imgui.cpp
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@ -10773,16 +10773,22 @@ void ImGui::OpenPopupEx(ImGuiID id, ImGuiPopupFlags popup_flags)
}
else
{
// Gently handle the user mistakenly calling OpenPopup() every frame. It is a programming mistake! However, if we were to run the regular code path, the ui
// would become completely unusable because the popup will always be in hidden-while-calculating-size state _while_ claiming focus. Which would be a very confusing
// situation for the programmer. Instead, we silently allow the popup to proceed, it will keep reappearing and the programming error will be more obvious to understand.
if (g.OpenPopupStack[current_stack_size].PopupId == id && g.OpenPopupStack[current_stack_size].OpenFrameCount == g.FrameCount - 1)
// Gently handle the user mistakenly calling OpenPopup() every frames: it is likely a programming mistake!
// However, if we were to run the regular code path, the ui would become completely unusable because the popup will always be
// in hidden-while-calculating-size state _while_ claiming focus. Which is extremely confusing situation for the programmer.
// Instead, for successive frames calls to OpenPopup(), we silently avoid reopening even if ImGuiPopupFlags_NoReopen is not specified.
bool keep_existing = false;
if (g.OpenPopupStack[current_stack_size].PopupId == id)
if ((g.OpenPopupStack[current_stack_size].OpenFrameCount == g.FrameCount - 1) || (popup_flags & ImGuiPopupFlags_NoReopen))
keep_existing = true;
if (keep_existing)
{
// No reopen
g.OpenPopupStack[current_stack_size].OpenFrameCount = popup_ref.OpenFrameCount;
}
else
{
// Close child popups if any, then flag popup for open/reopen
// Reopen: close child popups if any, then flag popup for open/reopen (set position, focus, init navigation)
ClosePopupToLevel(current_stack_size, false);
g.OpenPopupStack.push_back(popup_ref);
}