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This commit is contained in:
Brian Buller
2025-06-19 06:07:07 -05:00
parent 74dd092a99
commit 5988d048c1
14 changed files with 391 additions and 42 deletions
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82
absolute_layout.go
View File

@@ -35,6 +35,9 @@ type AbsoluteLayout struct {
w, h int
widgets []Widget
wCoords map[Widget]Coord
wAnchor map[Widget]AbsoluteAnchor
defAnchor AbsoluteAnchor
active bool
visible bool
@@ -42,22 +45,31 @@ type AbsoluteLayout struct {
logger func(string)
}
func (w *AbsoluteLayout) SetLogger(l func(string)) { w.logger = l }
func (w *AbsoluteLayout) Log(txt string) {
if w.logger != nil {
w.logger(txt)
}
}
type AbsoluteAnchor int
const (
AnchorTL = AbsoluteAnchor(iota) // x,y starts at <startX> <startY>
AnchorT // x,y starts at <middleX>, <startY>
AnchorTR // x,y starts at <endX>, <startY>
AnchorR // x,y starts at <endX>, <middleY>
AnchorBR // x,y starts at <endX>, <endY>
AnchorB // x,y starts at <middleX>, <endY>
AnchorBL // x,y starts at <endX>, <startY>
AnchorL // x,y starts at <startX>, <middleY>
AnchorErr
)
func NewAbsoluteLayout(id string, s tcell.Style) *AbsoluteLayout {
ret := &AbsoluteLayout{style: s}
ret.Init(id)
ret := &AbsoluteLayout{}
ret.Init(id, s)
return ret
}
func (w *AbsoluteLayout) Init(id string) {
func (w *AbsoluteLayout) Init(id string, s tcell.Style) {
w.id = id
w.style = s
w.visible = true
w.defAnchor = AnchorTL
w.wCoords = make(map[Widget]Coord)
}
@@ -90,12 +102,43 @@ func (w *AbsoluteLayout) Draw(screen tcell.Screen) {
}
for i := len(w.widgets) - 1; i >= 0; i-- {
var p Coord
var a AbsoluteAnchor
var ok bool
if p, ok = w.wCoords[w.widgets[i]]; !ok {
// Don't know where to put this widget
continue
}
w.widgets[i].SetPos(p.Add(Coord{X: w.x, Y: w.y}))
if a, ok = w.wAnchor[w.widgets[i]]; !ok {
a = w.defAnchor
}
midX := (w.x + (w.x + w.w)) / 2
midY := (w.y + (w.y + w.h)) / 2
switch a {
case AnchorTL:
w.widgets[i].SetPos(p.Add(Coord{X: w.x, Y: w.y}))
case AnchorT:
wrk := w.widgets[i].GetW() / 2
w.widgets[i].SetPos(p.Add(Coord{X: (midX - wrk), Y: w.y}))
case AnchorTR:
wrk := w.widgets[i].GetW()
w.widgets[i].SetPos(p.Add(Coord{X: w.x + w.w - wrk, Y: w.y}))
case AnchorR:
wrkYmid := w.widgets[i].GetH() / 2
wrkX := w.widgets[i].GetW()
w.widgets[i].SetPos(p.Add(Coord{X: w.x + w.w - wrkX, Y: w.y - (w.h / 2) - wrkYmid}))
case AnchorBR:
// TODO
w.widgets[i].SetPos(p.Add(Coord{X: w.x, Y: w.y}))
case AnchorB:
// TODO
w.widgets[i].SetPos(p.Add(Coord{X: w.x, Y: w.y}))
case AnchorBL:
wrkX, wrkY := (w.x+w.h)-w.widgets[i].GetH(), 0
w.widgets[i].SetPos(p.Add(Coord{X: wrkX, Y: wrkY}))
case AnchorL:
// TODO
w.widgets[i].SetPos(p.Add(Coord{X: w.x, Y: w.y}))
}
w.widgets[i].Draw(screen)
}
}
@@ -118,12 +161,29 @@ func (w *AbsoluteLayout) WantW() int { return w.w }
func (w *AbsoluteLayout) WantH() int { return w.h }
// Add a widget at x/y
func (w *AbsoluteLayout) Add(n Widget, pos Coord) {
func (w *AbsoluteLayout) Add(n Widget, pos Coord) { w.AddAnchored(n, pos, w.defAnchor) }
func (w *AbsoluteLayout) AddAnchored(n Widget, pos Coord, anchor AbsoluteAnchor) {
w.widgets = append(w.widgets, n)
w.wCoords[n] = pos
w.wAnchor[n] = anchor
}
func (w *AbsoluteLayout) Clear() {
w.widgets = []Widget{}
w.wCoords = make(map[Widget]Coord)
}
func (w *AbsoluteLayout) SetDefaultAnchor(d AbsoluteAnchor) {
if d < 0 || d > AnchorErr {
d = AnchorTL
}
w.defAnchor = d
}
func (w *AbsoluteLayout) SetLogger(l func(string)) { w.logger = l }
func (w *AbsoluteLayout) Log(txt string) {
if w.logger != nil {
w.logger(txt)
}
}

6
bordered_widget.go
View File

@@ -51,15 +51,15 @@ func (w *BorderedWidget) Log(txt string) {
func NewBorderedWidget(id string, wd Widget, s tcell.Style) *BorderedWidget {
ret := &BorderedWidget{
style: s,
widget: wd,
}
ret.Init(id)
ret.Init(id, s)
return ret
}
func (w *BorderedWidget) Init(id string) {
func (w *BorderedWidget) Init(id string, s tcell.Style) {
w.id = id
w.style = s
w.visible = true
w.border = h.BRD_CSIMPLE
}

7
button.go
View File

@@ -45,13 +45,14 @@ type Button struct {
var _ Widget = (*Button)(nil)
func NewButton(id string, style tcell.Style) *Button {
b := &Button{style: style}
b.Init(id)
b := &Button{}
b.Init(id, style)
return b
}
func (w *Button) Init(id string) {
func (w *Button) Init(id string, style tcell.Style) {
w.id = id
w.style = style
w.visible = true
w.onPressed = func() bool { return false }
}

7
checkbox.go
View File

@@ -50,13 +50,14 @@ type Checkbox struct {
var _ Widget = (*Checkbox)(nil)
func NewCheckbox(id string, style tcell.Style) *Checkbox {
ret := &Checkbox{style: style}
ret.Init(id)
ret := &Checkbox{}
ret.Init(id, style)
return ret
}
func (w *Checkbox) Init(id string) {
func (w *Checkbox) Init(id string, style tcell.Style) {
w.id = id
w.style = style
w.visible = true
w.stateRunes = []rune{'X', ' ', '-'}
}

276
cli.go Normal file
View File

@@ -0,0 +1,276 @@
/*
Copyright © Brian Buller <brian@bullercodeworks.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
package widgets
import (
"fmt"
"sort"
"strings"
h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
"github.com/gdamore/tcell"
)
type Cli struct {
id string
style tcell.Style
x, y int
w, h int
active bool
visible bool
rawLog []string
log []string
logPosition int
value string
cursor int
history []string
historyPosition int
commands []string
commandMap map[string]cliCommand
commandGuessMap map[string]func(args ...string) string
}
func NewCli(id string, s tcell.Style) *Cli {
ret := &Cli{}
ret.Init(id, s)
return ret
}
func (w *Cli) Init(id string, s tcell.Style) {
w.id, w.style = id, s
}
func (w *Cli) Id() string { return w.id }
func (w *Cli) HandleResize(ev *tcell.EventResize) {}
func (w *Cli) HandleKey(ev *tcell.EventKey) bool {
if !w.active {
return false
}
if h.IsKey(*ev, tcell.KeyEsc) {
w.SetActive(false)
return true
}
if h.IsBS(*ev) {
if w.cursor > 0 {
w.cursor--
}
if w.cursor < len(w.value) {
w.value = w.value[:w.cursor] + w.value[w.cursor+1:]
}
}
if done := h.HandleKeys(*ev, map[tcell.Key]func() bool{
tcell.KeyEsc: func() bool {
w.SetActive(false)
return true
},
tcell.KeyUp: func() bool {
if w.historyPosition < len(w.history)-1 {
w.historyPosition++
w.value = w.history[w.historyPosition]
w.cursor = len(w.value)
return true
}
return false
},
tcell.KeyDown: func() bool {
if w.historyPosition > -1 {
w.historyPosition--
if w.historyPosition == -1 {
w.value = ""
} else {
w.value = w.history[w.historyPosition]
}
w.cursor = len(w.value)
return true
}
return false
},
tcell.KeyLeft: func() bool {
if w.cursor > 0 {
w.cursor--
return true
}
return false
},
tcell.KeyRight: func() bool {
if w.cursor < len(w.value) {
w.cursor++
return true
}
return false
},
tcell.KeyCtrlU: func() bool {
w.value = w.value[w.cursor:]
w.cursor = 0
return true
},
tcell.KeyTab: func() bool {
// Auto-complete
guess := w.findBestGuess()
if guess != "" {
w.value = guess
w.cursor = len(w.value)
return true
}
return false
},
tcell.KeyEnter: func() bool {
cmds := strings.Split(w.value, " ")
if v, ok := w.commandMap[cmds[0]]; ok {
w.history = append(w.history, w.value)
w.historyPosition = -1
w.value = ""
w.cursor = 0
if len(cmds) > 1 {
return v(cmds[1:]...)
} else {
return v()
}
}
return true
},
}); done {
return done
}
var ch string
if h.KeyIsDisplayable(*ev) {
ch = string(ev.Rune())
if w.cursor < len(w.value) {
strPt1 := w.value[:w.cursor]
strPt2 := w.value[w.cursor:]
w.value = fmt.Sprintf("%s%s%s", strPt1, ch, strPt2)
} else {
w.value = fmt.Sprintf("%s%s", w.value, ch)
}
w.cursor++
return true
}
return false
}
func (w *Cli) HandleTime(ev *tcell.EventTime) {}
func (w *Cli) Draw(screen tcell.Screen) {
if !w.visible {
return
}
dStyle := w.style
if !w.active {
w.style = dStyle.Dim(true)
}
h.Border(w.x, w.y, w.x+w.w-1, w.y+w.h, h.BRD_SIMPLE, dStyle, screen)
x, y := w.x+1, w.y+1+w.h-3
for i := 0; i < w.h-2; i++ {
if len(w.log) > i {
line := w.log[len(w.log)-i-1]
if len(line) > w.w-2 {
line = line[:w.w-2]
}
h.DrawText(x, y, line, dStyle, screen)
y--
}
}
y = w.y + w.h - 1
cursor := " "
pre := "> "
var post string
if len(w.value) > 0 {
pre = fmt.Sprintf("%s%s", pre, w.value[:w.cursor])
if w.cursor < len(w.value) {
cursor = string(w.value[w.cursor])
post = w.value[w.cursor+1:]
}
}
h.DrawText(x, y, pre, dStyle, screen)
x += len(pre)
h.DrawText(x, y, cursor, dStyle.Reverse(w.active), screen)
x += 1
h.DrawText(x, y, post, dStyle, screen)
// x += len(post) - 1
}
func (w *Cli) Active() bool { return w.active }
func (w *Cli) SetActive(a bool) { w.active = a }
func (w *Cli) Visible() bool { return w.visible }
func (w *Cli) SetVisible(a bool) { w.visible = a }
func (w *Cli) Focusable() bool { return true }
func (w *Cli) SetX(x int) { w.x = x }
func (w *Cli) SetY(y int) { w.y = y }
func (w *Cli) GetX() int { return w.x }
func (w *Cli) GetY() int { return w.y }
func (w *Cli) SetPos(c Coord) { w.x, w.y = c.X, c.Y }
func (w *Cli) GetW() int { return w.w }
func (w *Cli) GetH() int { return w.h }
func (w *Cli) SetW(wd int) { w.w = wd }
func (w *Cli) SetH(h int) { w.h = h }
func (w *Cli) SetSize(c Coord) { w.w, w.h = c.X, c.Y }
func (w *Cli) WantW() int { return w.w }
func (w *Cli) WantH() int { return w.h }
func (w *Cli) SetValue(val string) {
w.value = val
w.cursor = len(val)
}
func (w *Cli) AddComamnd(cmd string, do cliCommand) {
w.commands = append(w.commands, cmd)
sort.Strings(w.commands)
w.commandMap[cmd] = do
}
func (w *Cli) RemoveCommand(cmd string) {
var idx int
for idx = range w.commands {
if w.commands[idx] == cmd {
break
}
}
w.commands = append(w.commands[:idx], w.commands[idx+1:]...)
delete(w.commandMap, cmd)
}
func (w *Cli) findBestGuess() string {
if w.value == "" {
return ""
}
for _, v := range w.commands {
if strings.HasPrefix(v, w.value) {
return v
}
}
return ""
}
func (w *Cli) DoLog(txt string) {
w.rawLog = append(w.rawLog, txt)
w.log = append(w.log, h.WrapStringToSlice(txt, w.w-2)...)
}
type cliCommand func(args ...string) bool
func (c *cliCommand) findBestGuess(args ...string) string {
return ""
}

7
field.go
View File

@@ -49,13 +49,14 @@ type Field struct {
var _ Widget = (*Field)(nil)
func NewField(id string, style tcell.Style) *Field {
f := &Field{style: style}
f.Init(id)
f := &Field{}
f.Init(id, style)
return f
}
func (w *Field) Init(id string) {
func (w *Field) Init(id string, style tcell.Style) {
w.id = id
w.style = style
w.visible = true
w.filter = func(ev *tcell.EventKey) bool {
return h.IsBS(*ev) ||

4
helpers/text_helpers.go
View File

@@ -157,3 +157,7 @@ func Longest(of []string) int {
}
return ret
}
func WrapStringToSlice(s string, width int) []string {
return strings.Split(WrapText(s, width), "\n")
}

10
menu.go
View File

@@ -51,15 +51,17 @@ const (
)
func NewMenu(id string, style tcell.Style) *Menu {
ret := &Menu{style: style}
ret.Init(id)
ret := &Menu{}
ret.Init(id, style)
return ret
}
func (w *Menu) Id() string { return w.id }
func (w *Menu) Init(id string) {
func (w *Menu) Init(id string, style tcell.Style) {
w.id = id
w.style = style
w.visible = true
}
func (w *Menu) Id() string { return w.id }
func (w *Menu) HandleResize(ev *tcell.EventResize) {}
func (w *Menu) HandleKey(ev *tcell.EventKey) bool {
if !w.active {

7
menu_item.go
View File

@@ -45,13 +45,14 @@ type MenuItem struct {
}
func NewMenuItem(id string, style tcell.Style) *MenuItem {
ret := &MenuItem{style: style}
ret.Init(id)
ret := &MenuItem{}
ret.Init(id, style)
return ret
}
func (w *MenuItem) Init(id string) {
func (w *MenuItem) Init(id string, style tcell.Style) {
w.id = id
w.style = style
w.visible = true
}
func (w *MenuItem) Id() string { return w.id }

7
relative_layout.go
View File

@@ -55,13 +55,14 @@ const (
)
func NewRelativeLayout(id string, s tcell.Style) *RelativeLayout {
ret := &RelativeLayout{style: s}
ret.Init(id)
ret := &RelativeLayout{}
ret.Init(id, s)
return ret
}
func (w *RelativeLayout) Init(id string) {
func (w *RelativeLayout) Init(id string, style tcell.Style) {
w.id = id
w.style = style
w.visible = true
}
func (w *RelativeLayout) Id() string { return w.id }

6
searcher.go
View File

@@ -53,15 +53,15 @@ var _ Widget = (*Searcher)(nil)
func NewSearcher(id string, style tcell.Style) *Searcher {
ret := &Searcher{
style: style,
search: NewField(fmt.Sprintf("%s-searcher-field", id), style),
}
ret.Init(id)
ret.Init(id, style)
return ret
}
func (w *Searcher) Init(id string) {
func (w *Searcher) Init(id string, style tcell.Style) {
w.id = id
w.style = style
w.visible = true
w.search.SetOnChange(func(prev, curr string) {
w.updateFilter()

5
table.go
View File

@@ -71,12 +71,13 @@ const (
func NewTable(id string, style tcell.Style) *Table {
ret := &Table{style: style}
ret.Init(id)
ret.Init(id, style)
return ret
}
func (w *Table) Init(id string) {
func (w *Table) Init(id string, style tcell.Style) {
w.id = id
w.style = style
w.visible = true
}
func (w *Table) Id() string { return w.id }

7
text.go
View File

@@ -38,13 +38,14 @@ type Text struct {
var _ Widget = (*Text)(nil)
func NewText(id string, style tcell.Style) *Text {
ret := &Text{style: style}
ret.Init(id)
ret := &Text{}
ret.Init(id, style)
return ret
}
func (w *Text) Init(id string) {
func (w *Text) Init(id string, style tcell.Style) {
w.id = id
w.style = style
w.visible = true
}
func (w *Text) Id() string { return w.id }

2
widget.go
View File

@@ -24,7 +24,7 @@ package widgets
import "github.com/gdamore/tcell"
type Widget interface {
Init(id string)
Init(string, tcell.Style)
Id() string
HandleResize(*tcell.EventResize)
HandleKey(*tcell.EventKey) bool