Set the default control font on Windows to the expected standard font instead of to the default System font.

sysdata_windows.go

@@ -24,6 +24,7 @@ type classData struct {
 	xstyle			uint32
 	mkid				bool
 	altStyle			uint32
+	font				*_HANDLE
 	appendMsg		uintptr
 	insertBeforeMsg	uintptr
 	deleteMsg			uintptr
@@ -44,17 +45,20 @@ var classTypes = [nctypes]*classData{
 		name:			"BUTTON",
 		style:			_BS_PUSHBUTTON | controlstyle,
 		xstyle:			0 | controlxstyle,
+		font:				&controlFont,
 	},
 	c_checkbox:	&classData{
 		name:			"BUTTON",
 		style:			_BS_AUTOCHECKBOX | controlstyle,
 		xstyle:			0 | controlxstyle,
+		font:				&controlFont,
 	},
 	c_combobox:	&classData{
 		name:			"COMBOBOX",
 		style:			_CBS_DROPDOWNLIST | _WS_VSCROLL | controlstyle,
 		xstyle:			0 | controlxstyle,
 		altStyle:			_CBS_DROPDOWN | _CBS_AUTOHSCROLL | _WS_VSCROLL | controlstyle,
+		font:				&controlFont,
 		appendMsg:		_CB_ADDSTRING,
 		insertBeforeMsg:	_CB_INSERTSTRING,
 		deleteMsg:		_CB_DELETESTRING,
@@ -66,11 +70,13 @@ var classTypes = [nctypes]*classData{
 		name:			"EDIT",
 		style:			_ES_AUTOHSCROLL | _WS_BORDER | controlstyle,
 		xstyle:			0 | controlxstyle,
+		font:				&controlFont,
 	},
 	c_label:		&classData{
 		name:			"STATIC",
 		style:			_SS_NOPREFIX | controlstyle,
 		xstyle:			0 | controlxstyle,
+		font:				&controlFont,
 	},
 	c_listbox:		&classData{
 		name:			"LISTBOX",
@@ -78,6 +84,7 @@ var classTypes = [nctypes]*classData{
 		style:			_WS_VSCROLL | controlstyle,
 		xstyle:			0 | controlxstyle,
 		altStyle:			_LBS_EXTENDEDSEL | _WS_VSCROLL | controlstyle,
+		font:				&controlFont,
 		appendMsg:		_LB_ADDSTRING,
 		insertBeforeMsg:	_LB_INSERTSTRING,
 		deleteMsg:		_LB_DELETESTRING,
@@ -151,6 +158,19 @@ func (s *sysData) make(initText string, window *sysData) (err error) {
 		return fmt.Errorf("error actually creating window/control: %v", r.err)
 	}
 	s.hwnd = _HWND(r.ret)
+	if ct.font != nil {
+		uitask <- &uimsg{
+			call:		_sendMessage,
+			p:		[]uintptr{
+				uintptr(s.hwnd),
+				uintptr(_WM_SETFONT),
+				uintptr(_WPARAM(*ct.font)),
+				uintptr(_LPARAM(_TRUE)),
+			},
+			ret:		ret,
+		}
+		<-ret
+	}
 	return nil
 }