From 7faa5b16bb55d44b87605844d3b715743eebd617 Mon Sep 17 00:00:00 2001 From: omar Date: Tue, 12 Dec 2017 19:15:00 +0100 Subject: [PATCH] Tweak --- imgui.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/imgui.cpp b/imgui.cpp index acea4565..09f0442f 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -4338,7 +4338,8 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags) SetWindowConditionAllowFlags(window, ImGuiCond_Appearing, true); // Parent window is latched only on the first call to Begin() of the frame, so further append-calls can be done from a different window stack - ImGuiWindow* parent_window = first_begin_of_the_frame ? ((flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Popup)) && !g.CurrentWindowStack.empty() ? g.CurrentWindowStack.back() : NULL) : window->ParentWindow; + ImGuiWindow* parent_window_in_stack = g.CurrentWindowStack.empty() ? NULL : g.CurrentWindowStack.back(); + ImGuiWindow* parent_window = first_begin_of_the_frame ? ((flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Popup)) ? parent_window_in_stack : NULL) : window->ParentWindow; IM_ASSERT(parent_window != NULL || !(flags & ImGuiWindowFlags_ChildWindow)); // Add to stack @@ -4559,7 +4560,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags) // This is how we end up with child menus appearing (most-commonly) on the right of the parent menu. IM_ASSERT(window_pos_set_by_api); float horizontal_overlap = style.ItemSpacing.x; // We want some overlap to convey the relative depth of each popup (currently the amount of overlap it is hard-coded to style.ItemSpacing.x, may need to introduce another style value). - ImGuiWindow* parent_menu = g.CurrentWindowStack[g.CurrentWindowStack.Size - 2]; + ImGuiWindow* parent_menu = parent_window_in_stack; ImRect rect_to_avoid; if (parent_menu->DC.MenuBarAppending) rect_to_avoid = ImRect(-FLT_MAX, parent_menu->Pos.y + parent_menu->TitleBarHeight(), FLT_MAX, parent_menu->Pos.y + parent_menu->TitleBarHeight() + parent_menu->MenuBarHeight());