package doodle import ( "fmt" "strconv" "git.kirsle.net/apps/doodle/balance" "git.kirsle.net/apps/doodle/doodads" "git.kirsle.net/apps/doodle/enum" "git.kirsle.net/apps/doodle/events" "git.kirsle.net/apps/doodle/level" "git.kirsle.net/apps/doodle/pkg/userdir" "git.kirsle.net/apps/doodle/render" "git.kirsle.net/apps/doodle/ui" "git.kirsle.net/apps/doodle/uix" ) // Width of the panel frame. var paletteWidth int32 = 150 // EditorUI manages the user interface for the Editor Scene. type EditorUI struct { d *Doodle Scene *EditorScene // Variables StatusBoxes []*string StatusMouseText string StatusPaletteText string StatusFilenameText string StatusScrollText string selectedSwatch string // name of selected swatch in palette selectedDoodad string // Widgets Supervisor *ui.Supervisor Canvas *uix.Canvas Workspace *ui.Frame MenuBar *ui.Frame StatusBar *ui.Frame // Palette window. Palette *ui.Window PaletteTab *ui.Frame DoodadTab *ui.Frame // Palette variables. paletteTab string // selected tab, Palette or Doodads } // 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: ", StatusFilenameText: "Filename: ", StatusScrollText: "Hello world", } // Bind the StatusBoxes arrays to the text variables. u.StatusBoxes = []*string{ &u.StatusMouseText, &u.StatusPaletteText, &u.StatusFilenameText, &u.StatusScrollText, } u.Canvas = u.SetupCanvas(d) u.MenuBar = u.SetupMenuBar(d) u.StatusBar = u.SetupStatusBar(d) u.Palette = u.SetupPalette(d) u.Workspace = u.SetupWorkspace(d) // important that this is last! u.Resized(d) // Position the Canvas inside the frame. u.Workspace.Pack(u.Canvas, ui.Pack{ Anchor: ui.N, }) u.Workspace.Compute(d.Engine) u.ExpandCanvas(d.Engine) // Select the first swatch of the palette. if u.Canvas.Palette != nil && u.Canvas.Palette.ActiveSwatch != nil { u.selectedSwatch = u.Canvas.Palette.ActiveSwatch.Name } return u } // Resized handles the window being resized so we can recompute the widgets. func (u *EditorUI) Resized(d *Doodle) { // Menu Bar frame. { u.MenuBar.Configure(ui.Config{ Width: int32(d.width), Background: render.Black, }) u.MenuBar.Compute(d.Engine) } // Status Bar. { u.StatusBar.Configure(ui.Config{ Width: int32(d.width), }) u.StatusBar.MoveTo(render.Point{ X: 0, Y: int32(d.height) - u.StatusBar.Size().H, }) u.StatusBar.Compute(d.Engine) } // Palette panel. { u.Palette.Configure(ui.Config{ Width: paletteWidth, Height: int32(u.d.height) - u.StatusBar.Size().H, }) u.Palette.MoveTo(render.NewPoint( int32(u.d.width)-u.Palette.BoxSize().W, u.MenuBar.BoxSize().H, )) u.Palette.Compute(d.Engine) } // Position the workspace around with the other widgets. { frame := u.Workspace frame.MoveTo(render.NewPoint( 0, u.MenuBar.Size().H, )) frame.Resize(render.NewRect( int32(d.width)-u.Palette.Size().W, int32(d.height)-u.MenuBar.Size().H-u.StatusBar.Size().H, )) frame.Compute(d.Engine) u.ExpandCanvas(d.Engine) } } // Loop to process events and update the UI. func (u *EditorUI) Loop(ev *events.State) { u.Supervisor.Loop(ev) { var P = u.Workspace.Point() debugWorldIndex = render.NewPoint( ev.CursorX.Now-P.X-u.Canvas.Scroll.X, ev.CursorY.Now-P.Y-u.Canvas.Scroll.Y, ) u.StatusMouseText = fmt.Sprintf("Mouse: (%d,%d) Px: (%s)", ev.CursorX.Now, ev.CursorY.Now, debugWorldIndex, ) } u.StatusPaletteText = fmt.Sprintf("Swatch: %s", u.Canvas.Palette.ActiveSwatch, ) u.StatusScrollText = fmt.Sprintf("Scroll: %s Viewport: %s", u.Canvas.Scroll, u.Canvas.Viewport(), ) // Statusbar filename label. filename := "untitled.map" fileType := "Level" if u.Scene.filename != "" { filename = u.Scene.filename } if u.Scene.DrawingType == enum.DoodadDrawing { fileType = "Doodad" } u.StatusFilenameText = fmt.Sprintf("Filename: %s (%s)", filename, fileType, ) u.MenuBar.Compute(u.d.Engine) u.StatusBar.Compute(u.d.Engine) u.Palette.Compute(u.d.Engine) u.Canvas.Loop(ev) } // 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()) u.Workspace.Present(e, u.Workspace.Point()) } // SetupWorkspace configures the main Workspace frame that takes up the full // window apart from toolbars. The Workspace has a single child element, the // Canvas, so it can easily full-screen it or center it for Doodad editing. func (u *EditorUI) SetupWorkspace(d *Doodle) *ui.Frame { frame := ui.NewFrame("Workspace") return frame } // SetupCanvas configures the main drawing canvas in the editor. func (u *EditorUI) SetupCanvas(d *Doodle) *uix.Canvas { drawing := uix.NewCanvas(balance.ChunkSize, true) drawing.Name = "edit-canvas" drawing.Palette = level.DefaultPalette() if len(drawing.Palette.Swatches) > 0 { drawing.SetSwatch(drawing.Palette.Swatches[0]) } return drawing } // ExpandCanvas manually expands the Canvas to fill the frame, to work around // UI packing bugs. Ideally I would use `Expand: true` when packing the Canvas // in its frame, but that would artificially expand the Canvas also when it // _wanted_ to be smaller, as in Doodad Editing Mode. func (u *EditorUI) ExpandCanvas(e render.Engine) { if u.Scene.DrawingType == enum.LevelDrawing { u.Canvas.Resize(u.Workspace.Size()) } else { // Size is managed externally. } u.Workspace.Compute(e) } // SetupMenuBar sets up the menu bar. func (u *EditorUI) SetupMenuBar(d *Doodle) *ui.Frame { frame := ui.NewFrame("MenuBar") 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.Prompt("Doodad size [100]>", func(answer string) { size := balance.DoodadSize if answer != "" { i, err := strconv.Atoi(answer) if err != nil { d.Flash("Error: Doodad size must be a number.") return } size = i } d.NewDoodad(size) }) }, }, menuButton{ Text: "Save", Click: func(render.Point) { var saveFunc func(filename string) switch u.Scene.DrawingType { case enum.LevelDrawing: saveFunc = func(filename string) { if err := u.Scene.SaveLevel(filename); err != nil { d.Flash("Error: %s", err) } else { d.Flash("Saved level: %s", filename) } } case enum.DoodadDrawing: saveFunc = func(filename string) { if err := u.Scene.SaveDoodad(filename); err != nil { d.Flash("Error: %s", err) } else { d.Flash("Saved doodad: %s", filename) } } default: d.Flash("Error: Scene.DrawingType is not a valid type") } if u.Scene.filename != "" { saveFunc(u.Scene.filename) } else { d.Prompt("Save filename>", func(answer string) { if answer != "" { saveFunc(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.EditDrawing("./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 { window := ui.NewWindow("Palette") window.ConfigureTitle(balance.TitleConfig) window.TitleBar().Font = balance.TitleFont window.Configure(ui.Config{ Background: balance.WindowBackground, BorderColor: balance.WindowBorder, }) // Frame that holds the tab buttons in Level Edit mode. tabFrame := ui.NewFrame("Palette Tabs") if u.Scene.DrawingType != enum.LevelDrawing { // Don't show the tab bar except in Level Edit mode. tabFrame.Hide() } for _, name := range []string{"Palette", "Doodads"} { if u.paletteTab == "" { u.paletteTab = name } tab := ui.NewRadioButton("Palette Tab", &u.paletteTab, name, ui.NewLabel(ui.Label{ Text: name, })) tab.Handle(ui.Click, func(p render.Point) { if u.paletteTab == "Palette" { u.PaletteTab.Show() u.DoodadTab.Hide() } else { u.PaletteTab.Hide() u.DoodadTab.Show() } window.Compute(d.Engine) }) u.Supervisor.Add(tab) tabFrame.Pack(tab, ui.Pack{ Anchor: ui.W, Fill: true, Expand: true, }) } window.Pack(tabFrame, ui.Pack{ Anchor: ui.N, Fill: true, PadY: 4, }) // Doodad frame. { u.DoodadTab = ui.NewFrame("Doodad Tab") u.DoodadTab.Hide() window.Pack(u.DoodadTab, ui.Pack{ Anchor: ui.N, Fill: true, }) doodadsAvailable, err := userdir.ListDoodads() if err != nil { d.Flash("ListDoodads: %s", err) } var buttonSize = (paletteWidth - window.BoxThickness(2)) / 2 // Draw the doodad buttons in a grid 2 wide. var row *ui.Frame for i, filename := range doodadsAvailable { si := fmt.Sprintf("%d", i) if row == nil || i%2 == 0 { row = ui.NewFrame("Doodad Row " + si) row.SetBackground(balance.WindowBackground) u.DoodadTab.Pack(row, ui.Pack{ Anchor: ui.N, Fill: true, // Expand: true, }) } doodad, err := doodads.LoadJSON(userdir.DoodadPath(filename)) if err != nil { log.Error(err.Error()) doodad = doodads.New(balance.DoodadSize) } can := uix.NewCanvas(int(buttonSize), true) can.Name = filename can.LoadDoodad(doodad) btn := ui.NewRadioButton(filename, &u.selectedDoodad, si, can) btn.Resize(render.NewRect( buttonSize-2, // TODO: without the -2 the button border buttonSize-2, // rests on top of the window border. )) u.Supervisor.Add(btn) row.Pack(btn, ui.Pack{ Anchor: ui.W, }) // Resize the canvas to fill the button interior. btnSize := btn.Size() can.Resize(render.NewRect( btnSize.W-btn.BoxThickness(2), btnSize.H-btn.BoxThickness(2), )) btn.Compute(d.Engine) } } // Color Palette Frame. { u.PaletteTab = ui.NewFrame("Palette Tab") u.PaletteTab.SetBackground(balance.WindowBackground) window.Pack(u.PaletteTab, ui.Pack{ Anchor: ui.N, Fill: true, }) // Handler function for the radio buttons being clicked. onClick := func(p render.Point) { name := u.selectedSwatch swatch, ok := u.Canvas.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.Canvas.SetSwatch(swatch) } // Draw the radio buttons for the palette. if u.Canvas != nil && u.Canvas.Palette != nil { for _, swatch := range u.Canvas.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) u.PaletteTab.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, }) style := ui.Config{ Background: render.Grey, BorderStyle: ui.BorderSunken, BorderColor: render.Grey, BorderSize: 1, } var labelHeight int32 for _, variable := range u.StatusBoxes { label := ui.NewLabel(ui.Label{ TextVariable: variable, Font: balance.StatusFont, }) label.Configure(style) label.Compute(d.Engine) frame.Pack(label, ui.Pack{ Anchor: ui.W, PadX: 1, }) if labelHeight == 0 { labelHeight = label.BoxSize().H } } // 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, }) // Set the initial good frame size to have the height secured, // so when resizing the application window we can just adjust for width. frame.Resize(render.Rect{ W: int32(d.width), H: labelHeight + frame.BoxThickness(1), }) frame.Compute(d.Engine) return frame }