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Made assertion more clear when trying to call Begin() outside of the NewFrame()..EndFrame() scope. (#1987)

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omar
2018-07-30 18:20:25 +02:00
parent d5400d9517
commit a7ac9e8346
3 changed files with 9 additions and 3 deletions
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9
imgui.cpp
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@ -3883,6 +3883,7 @@ void ImGui::NewFrame()
}
g.Time += g.IO.DeltaTime;
g.FrameScopeActive = true;
g.FrameCount += 1;
g.TooltipOverrideCount = 0;
g.WindowsActiveCount = 0;
@ -4421,9 +4422,11 @@ void ImGui::PopClipRect()
void ImGui::EndFrame()
{
ImGuiContext& g = *GImGui;
IM_ASSERT(g.Initialized); // Forgot to call ImGui::NewFrame()
IM_ASSERT(g.Initialized);
if (g.FrameCountEnded == g.FrameCount) // Don't process EndFrame() multiple times.
return;
IM_ASSERT(g.FrameScopeActive && "Forgot to call ImGui::NewFrame()");
g.FrameScopeActive = false;
// Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME)
if (g.IO.ImeSetInputScreenPosFn && ImLengthSqr(g.PlatformImeLastPos - g.PlatformImePos) > 0.0001f)
@ -4508,7 +4511,7 @@ void ImGui::EndFrame()
void ImGui::Render()
{
ImGuiContext& g = *GImGui;
IM_ASSERT(g.Initialized); // Forgot to call ImGui::NewFrame()
IM_ASSERT(g.Initialized);
if (g.FrameCountEnded != g.FrameCount)
ImGui::EndFrame();
@ -6212,7 +6215,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
IM_ASSERT(name != NULL); // Window name required
IM_ASSERT(g.Initialized); // Forgot to call ImGui::NewFrame()
IM_ASSERT(g.FrameScopeActive); // Forgot to call ImGui::NewFrame()
IM_ASSERT(g.FrameCountEnded != g.FrameCount); // Called ImGui::Render() or ImGui::EndFrame() and haven't called ImGui::NewFrame() again yet
// Find or create