/
toolbutton.go
67 lines (51 loc) · 1.28 KB
/
toolbutton.go
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// Copyright 2012 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.
// +build windows
package walk
import (
"github.com/lxn/win"
)
type ToolButton struct {
Button
}
func NewToolButton(parent Container) (*ToolButton, error) {
tb := new(ToolButton)
if err := InitWidget(
tb,
parent,
"BUTTON",
win.WS_TABSTOP|win.WS_VISIBLE|win.BS_BITMAP|win.BS_PUSHBUTTON,
0); err != nil {
return nil, err
}
tb.Button.init()
tb.GraphicsEffects().Add(InteractionEffect)
tb.GraphicsEffects().Add(FocusEffect)
return tb, nil
}
func (tb *ToolButton) WndProc(hwnd win.HWND, msg uint32, wParam, lParam uintptr) uintptr {
switch msg {
case win.WM_GETDLGCODE:
return win.DLGC_BUTTON
}
return tb.Button.WndProc(hwnd, msg, wParam, lParam)
}
func (tb *ToolButton) CreateLayoutItem(ctx *LayoutContext) LayoutItem {
return &toolButtonLayoutItem{
idealSize: tb.dialogBaseUnitsToPixels(Size{16, 12}),
}
}
type toolButtonLayoutItem struct {
LayoutItemBase
idealSize Size // in native pixels
}
func (*toolButtonLayoutItem) LayoutFlags() LayoutFlags {
return 0
}
func (tb *toolButtonLayoutItem) IdealSize() Size {
return tb.idealSize
}
func (tb *toolButtonLayoutItem) MinSize() Size {
return tb.idealSize
}