Create initial error and netstart windows

src/common/widgets/widgetresourcedata.cpp

@@ -0,0 +1,62 @@
+
+#include <zwidget/core/resourcedata.h>
+
+// To do: this should load data from lumps
+
+#ifdef WIN32
+#include <Windows.h>
+#include <stdexcept>
+static std::wstring to_utf16(const std::string& str)
+{
+	if (str.empty()) return {};
+	int needed = MultiByteToWideChar(CP_UTF8, 0, str.data(), (int)str.size(), nullptr, 0);
+	if (needed == 0)
+		throw std::runtime_error("MultiByteToWideChar failed");
+	std::wstring result;
+	result.resize(needed);
+	needed = MultiByteToWideChar(CP_UTF8, 0, str.data(), (int)str.size(), &result[0], (int)result.size());
+	if (needed == 0)
+		throw std::runtime_error("MultiByteToWideChar failed");
+	return result;
+}
+
+static std::vector<uint8_t> ReadAllBytes(const std::string& filename)
+{
+	HANDLE handle = CreateFile(to_utf16(filename).c_str(), 0x0001/*FILE_READ_ACCESS*/, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
+	if (handle == INVALID_HANDLE_VALUE)
+		throw std::runtime_error("Could not open " + filename);
+
+	LARGE_INTEGER fileSize;
+	BOOL result = GetFileSizeEx(handle, &fileSize);
+	if (result == FALSE)
+	{
+		CloseHandle(handle);
+		throw std::runtime_error("GetFileSizeEx failed");
+	}
+
+	std::vector<uint8_t> buffer(fileSize.QuadPart);
+
+	DWORD bytesRead = 0;
+	result = ReadFile(handle, buffer.data(), (DWORD)buffer.size(), &bytesRead, nullptr);
+	if (result == FALSE || bytesRead != buffer.size())
+	{
+		CloseHandle(handle);
+		throw std::runtime_error("ReadFile failed");
+	}
+
+	CloseHandle(handle);
+
+	return buffer;
+}
+
+std::vector<uint8_t> LoadWidgetFontData(const std::string& name)
+{
+	return ReadAllBytes("C:\\Windows\\Fonts\\segoeui.ttf");
+}
+
+#else
+std::vector<uint8_t> LoadWidgetFontData(const std::string& name)
+{
+	return {};
+}
+#endif