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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 Dialog struct {
// Window
Background Brush
ContextMenuItems []MenuItem
DoubleBuffering bool
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
RightToLeftLayout bool
RightToLeftReading bool
ToolTipText Property
Visible Property
// Container
DataBinder DataBinder
Layout Layout
Children []Widget
// Form
Expressions func() map[string]walk.Expression
Functions map[string]func(args ...interface{}) (interface{}, error)
Icon Property
Title Property
Size Size
// Dialog
AssignTo **walk.Dialog
CancelButton **walk.PushButton
DefaultButton **walk.PushButton
FixedSize bool
}
func (d Dialog) Create(owner walk.Form) error {
var w *walk.Dialog
var err error
if d.FixedSize {
w, err = walk.NewDialogWithFixedSize(owner)
} else {
w, err = walk.NewDialog(owner)
}
if err != nil {
return err
}
if d.AssignTo != nil {
*d.AssignTo = w
}
fi := formInfo{
// Window
Background: d.Background,
ContextMenuItems: d.ContextMenuItems,
DoubleBuffering: d.DoubleBuffering,
Enabled: d.Enabled,
Font: d.Font,
MaxSize: d.MaxSize,
MinSize: d.MinSize,
Name: d.Name,
OnBoundsChanged: d.OnBoundsChanged,
OnKeyDown: d.OnKeyDown,
OnKeyPress: d.OnKeyPress,
OnKeyUp: d.OnKeyUp,
OnMouseDown: d.OnMouseDown,
OnMouseMove: d.OnMouseMove,
OnMouseUp: d.OnMouseUp,
OnSizeChanged: d.OnSizeChanged,
RightToLeftReading: d.RightToLeftReading,
ToolTipText: "",
Visible: d.Visible,
// Container
Children: d.Children,
DataBinder: d.DataBinder,
Layout: d.Layout,
// Form
Icon: d.Icon,
Title: d.Title,
}
var db *walk.DataBinder
if d.DataBinder.AssignTo == nil {
d.DataBinder.AssignTo = &db
}
builder := NewBuilder(nil)
w.SetSuspended(true)
builder.Defer(func() error {
w.SetSuspended(false)
w.SetBoundsPixels(w.BoundsPixels())
return nil
})
if err := w.SetRightToLeftLayout(d.RightToLeftLayout); err != nil {
return err
}
return builder.InitWidget(fi, w, func() error {
if err := w.SetSizePixels(d.Size.toW()); err != nil {
return err
}
if d.DefaultButton != nil {
if err := w.SetDefaultButton(*d.DefaultButton); err != nil {
return err
}
if db := *d.DataBinder.AssignTo; db != nil {
if db.DataSource() != nil {
(*d.DefaultButton).SetEnabled(db.CanSubmit())
}
db.CanSubmitChanged().Attach(func() {
(*d.DefaultButton).SetEnabled(db.CanSubmit())
})
}
}
if d.CancelButton != nil {
if err := w.SetCancelButton(*d.CancelButton); err != nil {
return err
}
}
if d.Expressions != nil {
for name, expr := range d.Expressions() {
builder.expressions[name] = expr
}
}
if d.Functions != nil {
for name, fn := range d.Functions {
builder.functions[name] = fn
}
}
return nil
})
}
func (d Dialog) Run(owner walk.Form) (int, error) {
var w *walk.Dialog
if d.AssignTo == nil {
d.AssignTo = &w
}
if err := d.Create(owner); err != nil {
return 0, err
}
return (*d.AssignTo).Run(), nil
}
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