93 lines
2.8 KiB
Go
93 lines
2.8 KiB
Go
package editor
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import (
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"pad/internal/ui"
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)
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// State holds all application state owned by the logic goroutine.
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type State struct {
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PixelWidth int // raw pixel width from Gio ConfigEvent
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PixelHeight int // raw pixel height from Gio ConfigEvent
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scale float32
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WordWrap bool
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Elems []ui.Element
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}
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func NewState() *State {
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return &State{scale: 1.0}
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}
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func (s *State) SetScale(scale float32) {
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s.scale = scale
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}
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func (s *State) Scale() float32 {
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return s.scale
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}
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// layout converts stored pixel dimensions to Dp using the current scale
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// and computes the element tree. Called only when a frame is needed.
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func (s *State) layout() []ui.Element {
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dpW := ui.ToDp(ui.Px(s.PixelWidth), s.scale)
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dpH := ui.ToDp(ui.Px(s.PixelHeight), s.scale)
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s.Elems = EditorLayout(dpW, dpH, s.WordWrap)
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return s.Elems
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}
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// ToggleWordWrap toggles the word wrap setting.
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func ToggleWordWrap(data any) {
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TheState.WordWrap = !TheState.WordWrap
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}
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// EditorLayout computes the element tree for the editor page.
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func EditorLayout(screenWidth, screenHeight ui.Dp, wordWrap bool) []ui.Element {
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margin := ui.Dp(10)
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// --- Top bar: filename on row 1, icons on row 2 ---
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statusBarRegion := ui.Region{
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X: margin, Y: margin,
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W: screenWidth - margin*2,
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H: ui.Dp(52),
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}
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statusBarW := statusBarRegion.W
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statusBar := ui.NewContainer(
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statusBarRegion,
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ui.Color{R: 230, G: 230, B: 230, A: 255},
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[]ui.Element{
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// Row 1: filename
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ui.NewLabel("a very long file name that probably will eventually need to be truncated.txt", 14, ui.Region{X: 0, Y: ui.Dp(2), W: statusBarW, H: ui.Dp(20)}, ui.AlignStart, "", nil),
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// Row 2: cut, copy, paste icons
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ui.NewIcon("cut", ui.Region{X: ui.Dp(0), Y: ui.Dp(28), W: ui.IconSize, H: ui.IconSize}, 0),
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ui.NewIcon("copy", ui.Region{X: ui.Dp(48), Y: ui.Dp(28), W: ui.IconSize, H: ui.IconSize}, 0),
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ui.NewIcon("paste", ui.Region{X: ui.Dp(96), Y: ui.Dp(28), W: ui.IconSize, H: ui.IconSize}, 0),
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},
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)
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// --- Bottom bar ---
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bottomBarHeight := ui.BottomBarHeight
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bottomBarY := screenHeight - margin - bottomBarHeight
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bottomBarRegion := ui.Region{
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X: margin, Y: bottomBarY,
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W: screenWidth - margin*2,
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H: bottomBarHeight,
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}
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bottomBarW := bottomBarRegion.W
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wrapText := "Wrap: Off"
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if wordWrap {
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wrapText = "Wrap: On"
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}
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bottomBar := ui.NewContainer(
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bottomBarRegion,
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ui.Color{R: 230, G: 230, B: 230, A: 255},
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[]ui.Element{
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ui.NewLabel("Ln 47, Col 12", 12, ui.Region{X: 0, Y: ui.Dp(2), W: bottomBarW, H: ui.Dp(20)}, ui.AlignStart, "", nil),
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ui.NewLabel("1024 / 50000", 12, ui.Region{X: 0, Y: ui.Dp(2), W: bottomBarW, H: ui.Dp(20)}, ui.AlignCenter, "", nil),
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ui.NewLabel(wrapText, 12, ui.Region{X: 0, Y: ui.Dp(2), W: bottomBarW, H: ui.Dp(20)}, ui.AlignEnd, "wrap", []ui.Interaction{
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{Gesture: ui.Tap, Handler: ToggleWordWrap},
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}),
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},
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)
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return []ui.Element{statusBar, bottomBar}
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}
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