doodle/editor_ui.go

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package doodle
import (
"fmt"
"git.kirsle.net/apps/doodle/balance"
"git.kirsle.net/apps/doodle/events"
"git.kirsle.net/apps/doodle/render"
"git.kirsle.net/apps/doodle/ui"
)
// EditorUI manages the user interface for the Editor Scene.
type EditorUI struct {
d *Doodle
Scene *EditorScene
// Variables
StatusMouseText string
StatusPaletteText string
StatusFilenameText string
selectedSwatch string // name of selected swatch in palette
// Widgets
Supervisor *ui.Supervisor
MenuBar *ui.Frame
Palette *ui.Window
StatusBar *ui.Frame
}
// NewEditorUI initializes the Editor UI.
func NewEditorUI(d *Doodle, s *EditorScene) *EditorUI {
u := &EditorUI{
d: d,
Scene: s,
Supervisor: ui.NewSupervisor(),
StatusMouseText: "Cursor: (waiting)",
StatusPaletteText: "Swatch: <none>",
StatusFilenameText: "Filename: <none>",
}
// Select the first swatch of the palette.
if u.Scene.drawing.Palette.ActiveSwatch != nil {
u.selectedSwatch = u.Scene.drawing.Palette.ActiveSwatch.Name
}
u.MenuBar = u.SetupMenuBar(d)
u.StatusBar = u.SetupStatusBar(d)
u.Palette = u.SetupPalette(d)
return u
}
// Loop to process events and update the UI.
func (u *EditorUI) Loop(ev *events.State) {
u.Supervisor.Loop(ev)
u.StatusMouseText = fmt.Sprintf("Mouse: (%d,%d)",
ev.CursorX.Now,
ev.CursorY.Now,
)
u.StatusPaletteText = fmt.Sprintf("Swatch: %s",
u.Scene.drawing.Palette.ActiveSwatch,
)
// Statusbar filename label.
filename := "untitled.map"
if u.Scene.filename != "" {
filename = u.Scene.filename
}
u.StatusFilenameText = fmt.Sprintf("Filename: %s",
filename,
)
u.MenuBar.Compute(u.d.Engine)
u.StatusBar.Compute(u.d.Engine)
u.Palette.Compute(u.d.Engine)
}
// Present the UI to the screen.
func (u *EditorUI) Present(e render.Engine) {
// TODO: if I don't Compute() the palette window, then, whenever the dev console
// is open the window will blank out its contents leaving only the outermost Frame.
// The title bar and borders are gone. But other UI widgets don't do this.
// FIXME: Scene interface should have a separate ComputeUI() from Loop()?
u.Palette.Compute(u.d.Engine)
u.Palette.Present(e, u.Palette.Point())
u.MenuBar.Present(e, u.MenuBar.Point())
u.StatusBar.Present(e, u.StatusBar.Point())
}
// SetupMenuBar sets up the menu bar.
func (u *EditorUI) SetupMenuBar(d *Doodle) *ui.Frame {
frame := ui.NewFrame("MenuBar")
frame.Configure(ui.Config{
Width: d.width,
Background: render.Black,
})
type menuButton struct {
Text string
Click func(render.Point)
}
buttons := []menuButton{
menuButton{
Text: "New Level",
Click: func(render.Point) {
d.NewMap()
},
},
menuButton{
Text: "New Doodad",
Click: func(render.Point) {
d.NewMap()
},
},
menuButton{
Text: "Save",
Click: func(render.Point) {
if u.Scene.filename != "" {
u.Scene.SaveLevel(u.Scene.filename)
d.Flash("Saved: %s", u.Scene.filename)
} else {
d.Prompt("Save filename>", func(answer string) {
if answer != "" {
u.Scene.SaveLevel("./maps/" + answer) // TODO: maps path
d.Flash("Saved: %s", answer)
}
})
}
},
},
menuButton{
Text: "Save as...",
Click: func(render.Point) {
d.Prompt("Save as filename>", func(answer string) {
if answer != "" {
u.Scene.SaveLevel("./maps/" + answer) // TODO: maps path
d.Flash("Saved: %s", answer)
}
})
},
},
menuButton{
Text: "Load",
Click: func(render.Point) {
d.Prompt("Open filename>", func(answer string) {
if answer != "" {
u.d.EditLevel("./maps/" + answer) // TODO: maps path
}
})
},
},
}
for _, btn := range buttons {
w := ui.NewButton(btn.Text, ui.NewLabel(ui.Label{
Text: btn.Text,
Font: balance.MenuFont,
}))
w.Configure(ui.Config{
BorderSize: 1,
OutlineSize: 0,
})
w.Handle(ui.MouseUp, btn.Click)
u.Supervisor.Add(w)
frame.Pack(w, ui.Pack{
Anchor: ui.W,
PadX: 1,
})
}
frame.Compute(d.Engine)
return frame
}
// SetupPalette sets up the palette panel.
func (u *EditorUI) SetupPalette(d *Doodle) *ui.Window {
log.Error("SetupPalette Window")
window := ui.NewWindow("Palette")
window.ConfigureTitle(balance.TitleConfig)
window.TitleBar().Font = balance.TitleFont
window.Configure(ui.Config{
Width: 150,
Height: u.d.height - u.StatusBar.Size().H,
Background: balance.WindowBackground,
BorderColor: balance.WindowBorder,
})
window.MoveTo(render.NewPoint(
u.d.width-window.BoxSize().W,
u.MenuBar.BoxSize().H,
))
// Handler function for the radio buttons being clicked.
onClick := func(p render.Point) {
name := u.selectedSwatch
swatch, ok := u.Scene.drawing.Palette.Get(name)
if !ok {
log.Error("Palette onClick: couldn't get swatch named '%s' from palette", name)
return
}
log.Info("Set swatch: %s", swatch)
u.Scene.drawing.SetSwatch(swatch)
}
// Draw the radio buttons for the palette.
for _, swatch := range u.Scene.drawing.Palette.Swatches {
label := ui.NewLabel(ui.Label{
Text: swatch.Name,
Font: balance.StatusFont,
})
label.Font.Color = swatch.Color.Darken(40)
btn := ui.NewRadioButton("palette", &u.selectedSwatch, swatch.Name, label)
btn.Handle(ui.Click, onClick)
u.Supervisor.Add(btn)
window.Pack(btn, ui.Pack{
Anchor: ui.N,
Fill: true,
PadY: 4,
})
}
return window
}
// SetupStatusBar sets up the status bar widget along the bottom of the window.
func (u *EditorUI) SetupStatusBar(d *Doodle) *ui.Frame {
frame := ui.NewFrame("Status Bar")
frame.Configure(ui.Config{
BorderStyle: ui.BorderRaised,
Background: render.Grey,
BorderSize: 2,
Width: d.width,
})
style := ui.Config{
Background: render.Grey,
BorderStyle: ui.BorderSunken,
BorderColor: render.Grey,
BorderSize: 1,
}
cursorLabel := ui.NewLabel(ui.Label{
TextVariable: &u.StatusMouseText,
Font: balance.StatusFont,
})
cursorLabel.Configure(style)
cursorLabel.Compute(d.Engine)
frame.Pack(cursorLabel, ui.Pack{
Anchor: ui.W,
PadX: 1,
})
paletteLabel := ui.NewLabel(ui.Label{
TextVariable: &u.StatusPaletteText,
Font: balance.StatusFont,
})
paletteLabel.Configure(style)
paletteLabel.Compute(d.Engine)
frame.Pack(paletteLabel, ui.Pack{
Anchor: ui.W,
PadX: 1,
})
filenameLabel := ui.NewLabel(ui.Label{
TextVariable: &u.StatusFilenameText,
Font: balance.StatusFont,
})
filenameLabel.Configure(style)
filenameLabel.Compute(d.Engine)
frame.Pack(filenameLabel, ui.Pack{
Anchor: ui.W,
PadX: 1,
})
// TODO: right-aligned labels clip out of bounds
// extraLabel := ui.NewLabel(ui.Label{
// Text: "blah",
// Font: balance.StatusFont,
// })
// extraLabel.Configure(ui.Config{
// Background: render.Grey,
// BorderStyle: ui.BorderSunken,
// BorderColor: render.Grey,
// BorderSize: 1,
// })
// extraLabel.Compute(d.Engine)
// frame.Pack(extraLabel, ui.Pack{
// Anchor: ui.E,
// })
frame.Resize(render.Rect{
W: d.width,
H: cursorLabel.BoxSize().H + frame.BoxThickness(1),
})
frame.Compute(d.Engine)
frame.MoveTo(render.Point{
X: 0,
Y: d.height - frame.Size().H,
})
return frame
}