created gui directory and namespace

src/gui/input.cc

@@ -0,0 +1,25 @@
+#include "input.h"
+
+#include <imgui/imgui.h>
+#include <imgui/imgui_internal.h>
+
+namespace yaze {
+namespace gui {
+
+const int kStepOneHex = 0x01;
+const int kStepFastHex = 0x0F;
+
+bool InputHex(const char* label, int* data) {
+  return ImGui::InputScalar(label, ImGuiDataType_U64, data, &kStepOneHex,
+                            &kStepFastHex, "%06X",
+                            ImGuiInputTextFlags_CharsHexadecimal);
+}
+
+bool InputHexShort(const char* label, int* data) {
+  return ImGui::InputScalar(label, ImGuiDataType_U32, data, &kStepOneHex,
+                            &kStepFastHex, "%06X",
+                            ImGuiInputTextFlags_CharsHexadecimal);
+}
+
+}  // namespace Gui
+}  // namespace yaze