Codechange: Use Colours type instead of byte.

src/company_gui.cpp

@@ -536,7 +536,7 @@ public:
 		return true;
 	}
 
-	void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
+	void Draw(int left, int right, int top, int bottom, bool sel, Colours bg_colour) const
 	{
 		bool rtl = _current_text_dir == TD_RTL;
 		int height = bottom - top;

src/newgrf_gui.cpp

@@ -578,7 +578,7 @@ public:
 		return true;
 	}
 
-	void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
+	void Draw(int left, int right, int top, int bottom, bool sel, Colours bg_colour) const
 	{
 		DrawString(left + 2, right + 2, top, _grf_preset_list[this->result], sel ? TC_WHITE : TC_BLACK);
 	}

src/toolbar_gui.cpp

@@ -104,7 +104,7 @@ public:
 		return DropDownListStringItem::Width() + this->checkmark_width;
 	}
 
-	void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
+	void Draw(int left, int right, int top, int bottom, bool sel, Colours bg_colour) const
 	{
 		bool rtl = _current_text_dir == TD_RTL;
 		if (this->checked) {
@@ -149,7 +149,7 @@ public:
 		return max(max(this->icon_size.height, this->lock_size.height) + 2U, (uint)FONT_HEIGHT_NORMAL);
 	}
 
-	void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
+	void Draw(int left, int right, int top, int bottom, bool sel, Colours bg_colour) const
 	{
 		CompanyID company = (CompanyID)this->result;
 		bool rtl = _current_text_dir == TD_RTL;

src/widgets/dropdown.cpp

@@ -22,7 +22,7 @@
 #include "../safeguards.h"
 
 
-void DropDownListItem::Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
+void DropDownListItem::Draw(int left, int right, int top, int bottom, bool sel, Colours bg_colour) const
 {
 	int c1 = _colour_gradient[bg_colour][3];
 	int c2 = _colour_gradient[bg_colour][7];
@@ -39,7 +39,7 @@ uint DropDownListStringItem::Width() const
 	return GetStringBoundingBox(buffer).width;
 }
 
-void DropDownListStringItem::Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const
+void DropDownListStringItem::Draw(int left, int right, int top, int bottom, bool sel, Colours bg_colour) const
 {
 	DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, this->String(), sel ? TC_WHITE : TC_BLACK);
 }

src/widgets/dropdown_type.h

@@ -32,7 +32,7 @@ public:
 	virtual bool Selectable() const { return false; }
 	virtual uint Height(uint width) const { return FONT_HEIGHT_NORMAL; }
 	virtual uint Width() const { return 0; }
-	virtual void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const;
+	virtual void Draw(int left, int right, int top, int bottom, bool sel, Colours bg_colour) const;
 };
 
 /**
@@ -47,7 +47,7 @@ public:
 
 	virtual bool Selectable() const { return true; }
 	virtual uint Width() const;
-	virtual void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const;
+	virtual void Draw(int left, int right, int top, int bottom, bool sel, Colours bg_colour) const;
 	virtual StringID String() const { return this->string; }
 
 	static int CDECL NatSortFunc(const DropDownListItem * const *first, const DropDownListItem * const *second);