wehub-resource-sync
114 lines
3.8 KiB
Go
114 lines
3.8 KiB
Go
package codeview
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import (
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"image"
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"strings"
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"gioui.org/f32"
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"gioui.org/font"
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"gioui.org/layout"
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"gioui.org/op"
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"gioui.org/op/clip"
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"gioui.org/op/paint"
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"gioui.org/widget/material"
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"loov.dev/lensm/internal/asmhelp"
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"loov.dev/lensm/internal/gui"
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)
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// layoutHelp draws the instruction help tooltip for the hovered assembly
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// line, when help is enabled and the user is not selecting or editing.
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func (ui Style) layoutHelp(gtx layout.Context, c codeColumns, hover codeHover) {
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commentEditing := ui.CommentEditor != nil && gtx.Focused(ui.CommentEditor)
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if !ui.ShowHelp || ui.selecting || commentEditing || !gui.InRange(hover.asmIndex, len(ui.Code.Insts)) {
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return
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}
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inst := ui.Code.Insts[hover.asmIndex]
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nativeHovered := ui.ShowNative && c.native.Contains(hover.position.X)
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var help asmhelp.Help
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var ok bool
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if nativeHovered {
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help, ok = asmhelp.ForNative(ui.Code.Arch, inst.Mnemonic, inst.NativeText)
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} else {
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help, ok = asmhelp.ForInstruction(ui.Code.Arch, inst.Mnemonic, inst.Text)
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}
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if ok {
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ui.layoutAssemblyHelp(gtx, help, hover.position)
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}
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}
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func (ui Style) layoutAssemblyHelp(gtx layout.Context, help asmhelp.Help, position f32.Point) {
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maxWidth := gtx.Metric.Dp(460)
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if maxWidth > gtx.Constraints.Max.X-16 {
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maxWidth = max(0, gtx.Constraints.Max.X-16)
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}
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if maxWidth == 0 {
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return
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}
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contentContext := gtx
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contentContext.Constraints.Min = image.Point{}
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contentContext.Constraints.Max = image.Pt(maxWidth, gtx.Metric.Dp(140))
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macro := op.Record(gtx.Ops)
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dims := layout.UniformInset(8).Layout(contentContext, func(gtx layout.Context) layout.Dimensions {
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children := []layout.FlexChild{
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layout.Rigid(func(gtx layout.Context) layout.Dimensions {
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label := material.Body1(ui.Theme.Theme, help.Mnemonic+" — "+help.Description)
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label.Font.Weight = font.Bold
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label.Color = ui.Theme.Colors.Text
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label.TextSize = ui.TextHeight * 9 / 10
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return label.Layout(gtx)
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}),
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}
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if help.Explanation != "" {
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children = append(children, layout.Rigid(func(gtx layout.Context) layout.Dimensions {
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label := material.Body1(ui.Theme.Theme, help.Explanation)
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label.Font.Typeface = "override-monospace,Go,monospace"
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label.Color = ui.Syntax.Plain
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label.TextSize = ui.TextHeight * 9 / 10
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return layout.Inset{Top: 5}.Layout(gtx, label.Layout)
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}))
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}
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if len(help.Ports) > 0 {
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children = append(children, layout.Rigid(func(gtx layout.Context) layout.Dimensions {
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label := material.Body1(ui.Theme.Theme, "ports: "+strings.Join(help.Ports, ", "))
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label.Font.Typeface = "override-monospace,Go,monospace"
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label.Color = ui.Syntax.Comment
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label.TextSize = ui.TextHeight * 8 / 10
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return layout.Inset{Top: 5}.Layout(gtx, label.Layout)
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}))
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}
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if help.Note != "" {
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children = append(children, layout.Rigid(func(gtx layout.Context) layout.Dimensions {
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label := material.Body1(ui.Theme.Theme, help.Note)
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label.Font.Style = font.Italic
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label.Color = ui.Syntax.Comment
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label.TextSize = ui.TextHeight * 8 / 10
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return layout.Inset{Top: 5}.Layout(gtx, label.Layout)
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}))
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}
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return layout.Flex{Axis: layout.Vertical}.Layout(gtx, children...)
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})
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call := macro.Stop()
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left := int(position.X) + gtx.Metric.Dp(12)
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top := int(position.Y) + gtx.Metric.Dp(18)
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if left+dims.Size.X > gtx.Constraints.Max.X-4 {
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left = gtx.Constraints.Max.X - dims.Size.X - 4
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}
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if top+dims.Size.Y > gtx.Constraints.Max.Y-4 {
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top = int(position.Y) - dims.Size.Y - gtx.Metric.Dp(8)
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}
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left = max(4, left)
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top = max(4, top)
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stack := op.Offset(image.Pt(left, top)).Push(gtx.Ops)
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paint.FillShape(gtx.Ops, ui.Theme.Colors.SecondaryBackground, clip.UniformRRect(image.Rectangle{Max: dims.Size}, 5).Op(gtx.Ops))
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paint.FillShape(gtx.Ops, ui.Theme.Colors.Splitter, clip.Stroke{
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Path: clip.UniformRRect(image.Rectangle{Max: dims.Size}, 5).Path(gtx.Ops),
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Width: 1,
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}.Op())
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call.Add(gtx.Ops)
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stack.Pop()
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}
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