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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 declarative
import (
"github.com/lxn/walk"
)
type PaintMode int
const (
PaintNormal PaintMode = iota // erase background before PaintFunc
PaintNoErase // PaintFunc clears background, single buffered
PaintBuffered // PaintFunc clears background, double buffered
)
type CustomWidget struct {
// Window
Background Brush
ContextMenuItems []MenuItem
Enabled Property
Font Font
MaxSize Size
MinSize Size
Name string
OnBoundsChanged walk.EventHandler
OnKeyDown walk.KeyEventHandler
OnKeyPress walk.KeyEventHandler
OnKeyUp walk.KeyEventHandler
OnMouseDown walk.MouseEventHandler
OnMouseMove walk.MouseEventHandler
OnMouseUp walk.MouseEventHandler
OnSizeChanged walk.EventHandler
Persistent bool
RightToLeftReading bool
ToolTipText Property
Visible Property
// Widget
Alignment Alignment2D
AlwaysConsumeSpace bool
Column int
ColumnSpan int
GraphicsEffects []walk.WidgetGraphicsEffect
Row int
RowSpan int
StretchFactor int
// CustomWidget
AssignTo **walk.CustomWidget
ClearsBackground bool
InvalidatesOnResize bool
Paint walk.PaintFunc
PaintMode PaintMode
Style uint32
}
func (cw CustomWidget) Create(builder *Builder) error {
w, err := walk.NewCustomWidget(builder.Parent(), uint(cw.Style), cw.Paint)
if err != nil {
return err
}
if cw.AssignTo != nil {
*cw.AssignTo = w
}
return builder.InitWidget(cw, w, func() error {
if cw.PaintMode != PaintNormal && cw.ClearsBackground {
panic("PaintMode and ClearsBackground are incompatible")
}
w.SetClearsBackground(cw.ClearsBackground)
w.SetInvalidatesOnResize(cw.InvalidatesOnResize)
w.SetPaintMode(walk.PaintMode(cw.PaintMode))
return nil
})
}
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