/
radiobutton.go
45 lines (34 loc) · 955 Bytes
/
radiobutton.go
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// Copyright 2010 The Walk Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package walk
import . "github.com/lxn/go-winapi"
type RadioButton struct {
Button
}
func NewRadioButton(parent Container) (*RadioButton, error) {
rb := &RadioButton{}
if err := InitChildWidget(
rb,
parent,
"BUTTON",
WS_TABSTOP|WS_VISIBLE|BS_AUTORADIOBUTTON,
0); err != nil {
return nil, err
}
return rb, nil
}
func (*RadioButton) LayoutFlags() LayoutFlags {
return 0
}
func (rb *RadioButton) MinSizeHint() Size {
defaultSize := rb.dialogBaseUnitsToPixels(Size{50, 10})
textSize := rb.calculateTextSize()
// FIXME: Use GetThemePartSize instead of GetSystemMetrics?
w := textSize.Width + int(GetSystemMetrics(SM_CXMENUCHECK))
h := maxi(defaultSize.Height, textSize.Height)
return Size{w, h}
}
func (rb *RadioButton) SizeHint() Size {
return rb.MinSizeHint()
}