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window->RootWindow persist across frames. Fix calling SetWindowFocus(const char* name) on a child window (last fix for #147)

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This commit is contained in:
ocornut 2015-02-28 10:29:00 +00:00
parent 4535644fcb
commit f18febca11
1 changed files with 2 additions and 5 deletions
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7
imgui.cpp
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@ -1845,13 +1845,11 @@ void ImGui::NewFrame()
}
// Mark all windows as not visible
// Clear root windows at this point.
for (size_t i = 0; i != g.Windows.size(); i++)
{
ImGuiWindow* window = g.Windows[i];
window->Visible = false;
window->Accessed = false;
window->RootWindow = NULL;
}
// No window should be open at the beginning of the frame.
@ -2727,7 +2725,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size, float bg
// Find parent
ImGuiWindow* parent_window = (flags & ImGuiWindowFlags_ChildWindow) != 0 ? g.CurrentWindowStack[g.CurrentWindowStack.size()-2] : NULL;
// Find root (if we are a child window)
// Update known root window (if we are a child window, otherwise window == window->RootWindow)
size_t root_idx = g.CurrentWindowStack.size() - 1;
while (root_idx > 0)
{
@ -3128,7 +3126,7 @@ void ImGui::End()
ImGui::LogFinish();
// Pop
// NB: we don't clear 'window->RootWindow' yet, it will be used then cleared in NewFrame()
// NB: we don't clear 'window->RootWindow'. The pointer is allowed to live until the next call to Begin().
g.CurrentWindowStack.pop_back();
g.CurrentWindow = g.CurrentWindowStack.empty() ? NULL : g.CurrentWindowStack.back();
}
@ -3142,7 +3140,6 @@ static void FocusWindow(ImGuiWindow* window)
g.FocusedWindow = window;
// And move its root window to the top of the pile
// FIXME: RootWindow is set as we do Begin() on the window, so this won't work if called SetWindowFocus(const char* name) on a child window prior to window calling Begin(). Bit of an edge.
if (window->RootWindow)
window = window->RootWindow;