Update InputHex variants, gui::Canvas

src/app/gui/canvas.h

@@ -55,6 +55,7 @@ class Canvas {
   auto Points() const { return points_; }
   auto GetDrawList() const { return draw_list_; }
   auto GetZeroPoint() const { return canvas_p0_; }
+  auto Scrolling() const { return scrolling_; }
   auto GetCurrentDrawnTilePosition() const { return drawn_tile_pos_; }
   auto GetCanvasSize() const { return canvas_sz_; }
   void SetCanvasSize(ImVec2 canvas_size) {

src/app/gui/input.cc

@@ -24,6 +24,18 @@ bool InputHexShort(const char* label, uint32_t* data) {
                             ImGuiInputTextFlags_CharsHexadecimal);
 }
 
+bool InputHexWord(const char* label, uint16_t* data) {
+  return ImGui::InputScalar(label, ImGuiDataType_U16, data, &kStepOneHex,
+                            &kStepFastHex, "%04X",
+                            ImGuiInputTextFlags_CharsHexadecimal);
+}
+
+bool InputHexByte(const char* label, uint8_t* data) {
+  return ImGui::InputScalar(label, ImGuiDataType_U8, data, &kStepOneHex,
+                            &kStepFastHex, "%02X",
+                            ImGuiInputTextFlags_CharsHexadecimal);
+}
+
 void ItemLabel(absl::string_view title, ItemLabelFlags flags) {
   ImGuiWindow* window = ImGui::GetCurrentWindow();
   const ImVec2 lineStart = ImGui::GetCursorScreenPos();

src/app/gui/input.h

@@ -17,6 +17,8 @@ constexpr ImVec2 kZeroPos = ImVec2(0, 0);
 
 IMGUI_API bool InputHex(const char* label, uint64_t* data);
 IMGUI_API bool InputHexShort(const char* label, uint32_t* data);
+IMGUI_API bool InputHexWord(const char* label, uint16_t* data);
+IMGUI_API bool InputHexByte(const char* label, uint8_t* data);
 
 using ItemLabelFlags = enum ItemLabelFlag {
   Left = 1u << 0u,