Noah Petherbridge
aceb7e7a7e
* MainWindow is ideal for apps that just want a UI and don't manage their own SDL windows. * The example app will grow into a series of demos that test the UI toolkit to help fix bugs and grow features.
100 lines
1.8 KiB
Go
100 lines
1.8 KiB
Go
package ui
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"git.kirsle.net/apps/doodle/lib/render"
|
|
)
|
|
|
|
// Menu is a rectangle that holds menu items.
|
|
type Menu struct {
|
|
BaseWidget
|
|
Name string
|
|
|
|
body *Frame
|
|
}
|
|
|
|
// NewMenu creates a new Menu. It is hidden by default. Usually you'll
|
|
// use it with a MenuButton or in a right-click handler.
|
|
func NewMenu(name string) *Menu {
|
|
w := &Menu{
|
|
Name: name,
|
|
body: NewFrame(name + ":Body"),
|
|
}
|
|
w.body.Configure(Config{
|
|
Width: 150,
|
|
BorderSize: 12,
|
|
BorderStyle: BorderRaised,
|
|
Background: render.Grey,
|
|
})
|
|
w.IDFunc(func() string {
|
|
return fmt.Sprintf("Menu<%s>", w.Name)
|
|
})
|
|
return w
|
|
}
|
|
|
|
// Compute the menu
|
|
func (w *Menu) Compute(e render.Engine) {
|
|
w.body.Compute(e)
|
|
}
|
|
|
|
// Present the menu
|
|
func (w *Menu) Present(e render.Engine, p render.Point) {
|
|
w.body.Present(e, p)
|
|
}
|
|
|
|
// AddItem quickly adds an item to a menu.
|
|
func (w *Menu) AddItem(label string, command func()) *MenuItem {
|
|
menu := NewMenuItem(label, command)
|
|
w.Pack(menu)
|
|
return menu
|
|
}
|
|
|
|
// Pack a menu item onto the menu.
|
|
func (w *Menu) Pack(item *MenuItem) {
|
|
w.body.Pack(item, Pack{
|
|
Anchor: NE,
|
|
// Expand: true,
|
|
// Padding: 8,
|
|
FillX: true,
|
|
})
|
|
}
|
|
|
|
// MenuItem is an item in a Menu.
|
|
type MenuItem struct {
|
|
Button
|
|
Label string
|
|
Accelerator string
|
|
Command func()
|
|
button *Button
|
|
}
|
|
|
|
// NewMenuItem creates a new menu item.
|
|
func NewMenuItem(label string, command func()) *MenuItem {
|
|
w := &MenuItem{
|
|
Label: label,
|
|
Command: command,
|
|
}
|
|
w.IDFunc(func() string {
|
|
return fmt.Sprintf("MenuItem<%s>", w.Label)
|
|
})
|
|
|
|
font := DefaultFont
|
|
font.Color = render.White
|
|
font.PadX = 12
|
|
w.Button.child = NewLabel(Label{
|
|
Text: label,
|
|
Font: font,
|
|
})
|
|
w.Button.Configure(Config{
|
|
Background: render.Blue,
|
|
})
|
|
|
|
w.Button.Handle(Click, func(p render.Point) {
|
|
w.Command()
|
|
})
|
|
|
|
// Assign the button
|
|
return w
|
|
}
|