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add imgui function to ensure crossdll context is valid

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This commit is contained in:
SweetId
2023-09-19 20:16:07 -04:00
parent eddcd4b906
commit a08a9b377c
3 changed files with 29 additions and 1 deletions
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16
include/NazaraImgui/NazaraImgui.hpp
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@@ -52,6 +52,9 @@ namespace Nz
Nz::Vector2f framebufferSize;
};
static ImGuiContext* GetCurrentContext();
static void GetAllocatorFunctions(ImGuiMemAllocFunc* allocFunc, ImGuiMemFreeFunc* freeFunc, void** userData);
private:
void SetupInputs(Nz::WindowEventHandler& handler);
void Update(const Nz::Vector2i& mousePosition, const Nz::Vector2ui& displaySize, float dt);
@@ -66,6 +69,7 @@ namespace Nz
void RenderDrawLists(Nz::RenderTarget* renderTarget, Nz::RenderFrame& frame, ImDrawData* drawData);
ImGuiContext* m_currentContext;
std::string m_clipboardText;
bool m_bWindowHasFocus;
@@ -112,4 +116,16 @@ namespace ImGui
NAZARA_IMGUI_API void DrawLine(const Nz::Vector2f& a, const Nz::Vector2f& b, const Nz::Color& col, float thickness = 1.0f);
NAZARA_IMGUI_API void DrawRect(const Nz::Rectf& rect, const Nz::Color& color, float rounding = 0.0f, int rounding_corners = 0x0F, float thickness = 1.0f);
NAZARA_IMGUI_API void DrawRectFilled(const Nz::Rectf& rect, const Nz::Color& color, float rounding = 0.0f, int rounding_corners = 0x0F);
void EnsureContextOnThisThread()
{
auto* context = Nz::Imgui::GetCurrentContext();
SetCurrentContext(context);
ImGuiMemAllocFunc allocFunc = nullptr;
ImGuiMemFreeFunc freeFunc = nullptr;
void* userData = nullptr;
Nz::Imgui::GetAllocatorFunctions(&allocFunc, &freeFunc, &userData);
SetAllocatorFunctions(allocFunc, freeFunc, userData);
}
}