mirror of
https://git.sr.ht/~eliasnaur/gio
synced 2026-07-01 07:35:40 +00:00
Elias Naur
6027517949
This change gets rid of the event.Queue interface by replacing it with input.Source values. Source provides the interface to Router necessary to implement interface widgets. Signed-off-by: Elias Naur <mail@eliasnaur.com>
103 lines
2.7 KiB
Go
103 lines
2.7 KiB
Go
// SPDX-License-Identifier: Unlicense OR MIT
|
|
|
|
package material
|
|
|
|
import (
|
|
"image/color"
|
|
|
|
"gioui.org/font"
|
|
"gioui.org/internal/f32color"
|
|
"gioui.org/layout"
|
|
"gioui.org/op"
|
|
"gioui.org/op/paint"
|
|
"gioui.org/text"
|
|
"gioui.org/unit"
|
|
"gioui.org/widget"
|
|
)
|
|
|
|
type EditorStyle struct {
|
|
Font font.Font
|
|
// LineHeight controls the distance between the baselines of lines of text.
|
|
// If zero, a sensible default will be used.
|
|
LineHeight unit.Sp
|
|
// LineHeightScale applies a scaling factor to the LineHeight. If zero, a
|
|
// sensible default will be used.
|
|
LineHeightScale float32
|
|
TextSize unit.Sp
|
|
// Color is the text color.
|
|
Color color.NRGBA
|
|
// Hint contains the text displayed when the editor is empty.
|
|
Hint string
|
|
// HintColor is the color of hint text.
|
|
HintColor color.NRGBA
|
|
// SelectionColor is the color of the background for selected text.
|
|
SelectionColor color.NRGBA
|
|
Editor *widget.Editor
|
|
|
|
shaper *text.Shaper
|
|
}
|
|
|
|
func Editor(th *Theme, editor *widget.Editor, hint string) EditorStyle {
|
|
return EditorStyle{
|
|
Editor: editor,
|
|
Font: font.Font{
|
|
Typeface: th.Face,
|
|
},
|
|
TextSize: th.TextSize,
|
|
Color: th.Palette.Fg,
|
|
shaper: th.Shaper,
|
|
Hint: hint,
|
|
HintColor: f32color.MulAlpha(th.Palette.Fg, 0xbb),
|
|
SelectionColor: f32color.MulAlpha(th.Palette.ContrastBg, 0x60),
|
|
}
|
|
}
|
|
|
|
func (e EditorStyle) Layout(gtx layout.Context) layout.Dimensions {
|
|
// Choose colors.
|
|
textColorMacro := op.Record(gtx.Ops)
|
|
paint.ColorOp{Color: e.Color}.Add(gtx.Ops)
|
|
textColor := textColorMacro.Stop()
|
|
hintColorMacro := op.Record(gtx.Ops)
|
|
paint.ColorOp{Color: e.HintColor}.Add(gtx.Ops)
|
|
hintColor := hintColorMacro.Stop()
|
|
selectionColorMacro := op.Record(gtx.Ops)
|
|
paint.ColorOp{Color: blendDisabledColor(!gtx.Enabled(), e.SelectionColor)}.Add(gtx.Ops)
|
|
selectionColor := selectionColorMacro.Stop()
|
|
|
|
var maxlines int
|
|
if e.Editor.SingleLine {
|
|
maxlines = 1
|
|
}
|
|
|
|
macro := op.Record(gtx.Ops)
|
|
tl := widget.Label{
|
|
Alignment: e.Editor.Alignment,
|
|
MaxLines: maxlines,
|
|
LineHeight: e.LineHeight,
|
|
LineHeightScale: e.LineHeightScale,
|
|
}
|
|
dims := tl.Layout(gtx, e.shaper, e.Font, e.TextSize, e.Hint, hintColor)
|
|
call := macro.Stop()
|
|
|
|
if w := dims.Size.X; gtx.Constraints.Min.X < w {
|
|
gtx.Constraints.Min.X = w
|
|
}
|
|
if h := dims.Size.Y; gtx.Constraints.Min.Y < h {
|
|
gtx.Constraints.Min.Y = h
|
|
}
|
|
e.Editor.LineHeight = e.LineHeight
|
|
e.Editor.LineHeightScale = e.LineHeightScale
|
|
dims = e.Editor.Layout(gtx, e.shaper, e.Font, e.TextSize, textColor, selectionColor)
|
|
if e.Editor.Len() == 0 {
|
|
call.Add(gtx.Ops)
|
|
}
|
|
return dims
|
|
}
|
|
|
|
func blendDisabledColor(disabled bool, c color.NRGBA) color.NRGBA {
|
|
if disabled {
|
|
return f32color.Disabled(c)
|
|
}
|
|
return c
|
|
}
|