Merge commit '293f4fd0a04156ee8bd279df3b9443df6c75bbd5'
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@@ -146,6 +146,7 @@ static void ImGui_ImplWin32_UpdateKeyboardCodePage()
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static bool ImGui_ImplWin32_InitEx(void* hwnd, bool platform_has_own_dc)
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{
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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INT64 perf_frequency, perf_counter;
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@@ -581,11 +582,10 @@ static ImGuiMouseSource GetMouseSourceFromMessageExtraInfo()
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IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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// Most backends don't have silent checks like this one, but we need it because WndProc are called early in CreateWindow().
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if (ImGui::GetCurrentContext() == nullptr)
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return 0;
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// We silently allow both context or just only backend data to be nullptr.
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ImGui_ImplWin32_Data* bd = ImGui_ImplWin32_GetBackendData();
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IM_ASSERT(bd != nullptr && "Context or backend not initialized! Did you call ImGui_ImplWin32_Init()?");
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if (bd == nullptr)
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return 0;
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ImGuiIO& io = ImGui::GetIO();
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switch (msg)
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@@ -608,10 +608,10 @@ IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARA
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}
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POINT mouse_pos = { (LONG)GET_X_LPARAM(lParam), (LONG)GET_Y_LPARAM(lParam) };
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if (msg == WM_NCMOUSEMOVE && ::ScreenToClient(hwnd, &mouse_pos) == FALSE) // WM_NCMOUSEMOVE are provided in absolute coordinates.
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break;
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return 0;
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io.AddMouseSourceEvent(mouse_source);
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io.AddMousePosEvent((float)mouse_pos.x, (float)mouse_pos.y);
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break;
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return 0;
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}
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case WM_MOUSELEAVE:
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case WM_NCMOUSELEAVE:
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@@ -624,7 +624,7 @@ IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARA
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bd->MouseTrackedArea = 0;
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io.AddMousePosEvent(-FLT_MAX, -FLT_MAX);
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}
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break;
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return 0;
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}
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case WM_LBUTTONDOWN: case WM_LBUTTONDBLCLK:
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case WM_RBUTTONDOWN: case WM_RBUTTONDBLCLK:
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