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Extracted a EndFrame() function out of Render() but kept it internal/private + clarified some asserts (#335)

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This commit is contained in:
ocornut
2015-09-16 23:48:42 +01:00
parent 0a1d6b6b74
commit 3b01b0a2f2
2 changed files with 79 additions and 65 deletions
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11
imgui_internal.h
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@ -331,6 +331,7 @@ struct ImGuiState
float Time;
int FrameCount;
int FrameCountEnded;
int FrameCountRendered;
ImVector<ImGuiWindow*> Windows;
ImVector<ImGuiWindow*> WindowsSortBuffer;
@ -416,7 +417,7 @@ struct ImGuiState
Time = 0.0f;
FrameCount = 0;
FrameCountRendered = -1;
FrameCountEnded = FrameCountRendered = -1;
CurrentWindow = NULL;
FocusedWindow = NULL;
HoveredWindow = NULL;
@ -631,7 +632,11 @@ public:
namespace ImGui
{
inline ImGuiWindow* GetCurrentWindowRead() { ImGuiState& g = *GImGui; return g.CurrentWindow; } // If this ever crash it means that ImGui::NewFrame() has never been called (which is illegal). We should always have a CurrentWindow in the stack (there is an implicit "Debug" window)
// We should always have a CurrentWindow in the stack (there is an implicit "Debug" window)
// If this ever crash because g.CurrentWindow is NULL it means that either
// - ImGui::NewFrame() has never been called, which is illegal.
// - You are calling ImGui functions after ImGui::Render() and before the next ImGui::NewFrame(), which is also illegal.
inline ImGuiWindow* GetCurrentWindowRead() { ImGuiState& g = *GImGui; return g.CurrentWindow; }
inline ImGuiWindow* GetCurrentWindow() { ImGuiState& g = *GImGui; g.CurrentWindow->Accessed = true; return g.CurrentWindow; }
IMGUI_API ImGuiWindow* GetParentWindow();
IMGUI_API void FocusWindow(ImGuiWindow* window);
@ -639,6 +644,8 @@ namespace ImGui
IMGUI_API void SetActiveID(ImGuiID id, ImGuiWindow* window);
IMGUI_API void KeepAliveID(ImGuiID id);
IMGUI_API void EndFrame(); // This automatically called by Render()
IMGUI_API void ItemSize(const ImVec2& size, float text_offset_y = 0.0f);
IMGUI_API void ItemSize(const ImRect& bb, float text_offset_y = 0.0f);
IMGUI_API bool ItemAdd(const ImRect& bb, const ImGuiID* id);