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Relative order of Child windows creation is preserved during sort (#595)

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This commit is contained in:
ocornut 2016-04-19 18:31:25 +02:00
parent d92f1deff8
commit fc3b8d0a56
2 changed files with 7 additions and 1 deletions
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7
imgui.cpp
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@ -1575,6 +1575,7 @@ ImGuiWindow::ImGuiWindow(const char* name)
MoveID = GetID("#MOVE");
Flags = 0;
IndexWithinParent = 0;
PosFloat = Pos = ImVec2(0.0f, 0.0f);
Size = SizeFull = ImVec2(0.0f, 0.0f);
SizeContents = SizeContentsExplicit = ImVec2(0.0f, 0.0f);
@ -2305,7 +2306,7 @@ static int ChildWindowComparer(const void* lhs, const void* rhs)
return d;
if (int d = (a->Flags & ImGuiWindowFlags_ComboBox) - (b->Flags & ImGuiWindowFlags_ComboBox))
return d;
return 0;
return (a->IndexWithinParent - b->IndexWithinParent);
}
static void AddWindowToSortedBuffer(ImVector<ImGuiWindow*>& out_sorted_windows, ImGuiWindow* window)
@ -3696,6 +3697,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
if (first_begin_of_the_frame)
{
window->Active = true;
window->IndexWithinParent = 0;
window->BeginCount = 0;
window->DrawList->Clear();
window->ClipRect = ImVec4(-FLT_MAX,-FLT_MAX,+FLT_MAX,+FLT_MAX);
@ -3826,7 +3828,10 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
// Position child window
if (flags & ImGuiWindowFlags_ChildWindow)
{
window->IndexWithinParent = parent_window->DC.ChildWindows.Size;
parent_window->DC.ChildWindows.push_back(window);
}
if ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_Popup))
{
window->Pos = window->PosFloat = parent_window->DC.CursorPos;

1
imgui_internal.h
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@ -596,6 +596,7 @@ struct IMGUI_API ImGuiWindow
char* Name;
ImGuiID ID;
ImGuiWindowFlags Flags;
int IndexWithinParent; // Order within immediate parent window, if we are a child window. Otherwise 0.
ImVec2 PosFloat;
ImVec2 Pos; // Position rounded-up to nearest pixel
ImVec2 Size; // Current size (==SizeFull or collapsed title bar size)