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Some work

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This commit is contained in:
Brian Buller
2025-09-25 09:49:52 -05:00
parent dee65c4188
commit d3334d73f6
4 changed files with 306 additions and 19 deletions
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28
helpers/number_helpers.go
View File

@@ -21,7 +21,9 @@ THE SOFTWARE.
*/
package helpers
import "cmp"
import (
"cmp"
)
const (
MaxUint = ^uint(0)
@@ -30,6 +32,18 @@ const (
MinInt = -MaxInt - 1
)
func MaxFor[O interface{}, E cmp.Ordered](g func(O) E, of ...O) O {
var m O
var mE E
for i := range of {
if g(of[i]) > mE {
m = of[i]
mE = g(of[i])
}
}
return m
}
func Max[E cmp.Ordered](of ...E) E {
var m E
if len(of) > 0 {
@@ -43,6 +57,18 @@ func Max[E cmp.Ordered](of ...E) E {
return m
}
func MinFor[O interface{}, E cmp.Ordered](g func(O) E, of ...O) O {
var m O
var mE E
for i := range of {
if g(of[i]) < mE {
m = of[i]
mE = g(of[i])
}
}
return m
}
func Min[E cmp.Ordered](of ...E) E {
var m E
if len(of) > 0 {

7
wdgt_button.go
View File

@@ -63,8 +63,10 @@ func (w *Button) Init(id string, style tcell.Style) {
w.onPressed = func() bool { return false }
w.focusable = true
}
func (w *Button) Id() string { return w.id }
func (w *Button) HandleResize(ev *tcell.EventResize) { w.w, w.h = ev.Size() }
func (w *Button) Id() string { return w.id }
func (w *Button) HandleResize(ev *tcell.EventResize) {
w.w, w.h = ev.Size()
}
func (w *Button) SetKeyMap(km KeyMap) { w.keyMap = km }
func (w *Button) AddToKeyMap(km KeyMap) { w.keyMap.Merge(km) }
@@ -113,6 +115,7 @@ func (w *Button) Draw(screen tcell.Screen) {
wh.DrawText(w.x, w.y+1, fmt.Sprintf("╰%s╯", strings.Repeat("─", len(lbl)-2)), dStyle, screen)
return
}
if w.w < 2 {
wh.DrawText(w.x, w.y, "╬", dStyle, screen)
return

33
wdgt_field.go
View File

@@ -113,10 +113,8 @@ func (w *Field) Draw(screen tcell.Screen) {
if !w.visible {
return
}
useStyle := w.style
if w.active {
useStyle = w.style.Bold(true)
}
useStyle := w.style.Dim(!w.active)
valueStyle := useStyle.Bold(w.active)
x := w.x
labelW := len(w.label)
if labelW > 0 {
@@ -133,15 +131,15 @@ func (w *Field) Draw(screen tcell.Screen) {
}
}
wh.DrawText(x, w.y, pre, useStyle, screen)
wh.DrawText(x, w.y, pre, valueStyle, screen)
x += len(pre)
if w.active {
wh.DrawText(x, w.y, cursor, useStyle.Reverse(true).Blink(true), screen)
wh.DrawText(x, w.y, cursor, valueStyle.Reverse(true).Blink(true), screen)
} else {
wh.DrawText(x, w.y, cursor, useStyle, screen)
wh.DrawText(x, w.y, cursor, valueStyle, screen)
}
x += 1
wh.DrawText(x, w.y, post, useStyle, screen)
wh.DrawText(x, w.y, post, valueStyle, screen)
}
func (w *Field) Active() bool { return w.active }
@@ -159,21 +157,24 @@ func (w *Field) SetH(h int) { w.h = h }
func (w *Field) GetW() int { return w.w }
func (w *Field) GetH() int { return w.h }
func (w *Field) WantW() int {
vM := wh.Max(40, len(w.value))
if len(w.label) > 0 {
return len(w.label) + 2 + len(w.value) + 1
} else {
return len(w.value)
return len(w.label) + vM + 3
}
return vM
}
func (w *Field) WantH() int {
return 1
func (w *Field) WantH() int { return 1 }
func (w *Field) SetSize(c Coord) {
w.SetW(c.X)
w.SetH(c.Y)
}
func (w *Field) SetSize(c Coord) { w.w, w.h = c.X, c.Y }
func (w *Field) Focusable() bool { return w.focusable }
func (w *Field) SetFocusable(b bool) { w.focusable = b }
func (w *Field) MinW() int { return len(w.label) + wh.Max(15, len(w.value)) }
func (w *Field) MinH() int { return 1 }
func (w *Field) MinW() int {
return len(w.label) + len(w.value)
}
func (w *Field) MinH() int { return 1 }
/* Non-Widget-Interface Functions */
func (w *Field) handleBackspace(_ *tcell.EventKey) bool {

257
wdgt_form.go Normal file
View File

@@ -0,0 +1,257 @@
/*
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 (
wh "git.bullercodeworks.com/brian/tcell-widgets/helpers"
"github.com/gdamore/tcell"
)
type Form struct {
id string
style tcell.Style
cursor int
visible bool
active bool
focusable bool
x, y int
w, h int
title string
border []rune
fields []Widget
submit *Button
cancel *Button
hasSubmit bool
hasCancel bool
keyMap KeyMap
}
var _ Widget = (*Form)(nil)
func NewForm(id string, style tcell.Style) *Form {
f := &Form{}
f.Init(id, style)
return f
}
func (w *Form) Init(id string, style tcell.Style) {
w.id = id
w.style = style
w.visible = true
w.focusable = true
}
func (w *Form) Id() string { return w.id }
func (w *Form) HandleResize(ev *tcell.EventResize) {
w.w, w.h = ev.Size()
y := 0
for i := range w.fields {
w.fields[i].SetPos(Coord{X: 0, Y: y})
y += w.fields[i].WantH()
}
half := w.w / 2
if w.hasCancel && w.hasSubmit {
w.cancel.SetPos(Coord{X: 0, Y: y})
w.cancel.SetSize(Coord{X: half, Y: 3})
w.submit.SetPos(Coord{X: 0, Y: y})
w.submit.SetSize(Coord{X: half, Y: 3})
} else if w.hasCancel {
w.cancel.SetPos(Coord{X: half, Y: y})
w.cancel.SetSize(Coord{X: half, Y: 3})
} else if w.hasSubmit {
w.submit.SetPos(Coord{X: w.w / 2, Y: y})
w.submit.SetSize(Coord{X: half, Y: 3})
}
}
func (w *Form) SetKeyMap(km KeyMap) { w.keyMap = km }
func (w *Form) AddToKeyMap(km KeyMap) { w.keyMap.Merge(km) }
func (w *Form) RemoveFromKeyMap(km KeyMap) {
for k := range km.Keys {
w.keyMap.Remove(k)
}
for r := range km.Runes {
w.keyMap.RemoveRune(r)
}
}
func (w *Form) HandleKey(ev *tcell.EventKey) bool {
if !w.active {
return false
}
if ev.Key() == tcell.KeyTab {
fldCnt := len(w.fields)
num := fldCnt
if w.hasCancel {
num += 1
}
if w.hasSubmit {
num += 1
}
if num < fldCnt {
}
}
return false
}
func (w *Form) HandleTime(ev *tcell.EventTime) {}
func (w *Form) Draw(screen tcell.Screen) {
if !w.visible {
return
}
useStyle := w.style.Dim(!w.active)
if len(w.title) > 0 {
wh.TitledBorderFilled(w.x, w.y, w.x+w.w, w.y+w.h, w.title, w.border, useStyle, screen)
} else {
wh.BorderFilled(w.x, w.y, w.x+w.w, w.y+w.h, w.border, useStyle, screen)
}
p := w.GetPos()
for _, wdgt := range w.fields {
p.DrawOffset(wdgt, screen)
}
if w.hasCancel {
p.DrawOffset(w.cancel, screen)
}
if w.hasSubmit {
p.DrawOffset(w.submit, screen)
}
}
func (w *Form) Active() bool { return w.active }
func (w *Form) SetActive(a bool) { w.active = a }
func (w *Form) Visible() bool { return w.visible }
func (w *Form) SetVisible(a bool) { w.visible = a }
func (w *Form) SetX(x int) { w.x = x }
func (w *Form) SetY(y int) { w.y = y }
func (w *Form) GetX() int { return w.x }
func (w *Form) GetY() int { return w.y }
func (w *Form) GetPos() Coord { return Coord{X: w.x, Y: w.y} }
func (w *Form) SetPos(c Coord) { w.x, w.y = c.X, c.Y }
func (w *Form) SetW(wd int) { w.w = wd }
func (w *Form) SetH(h int) { w.h = h }
func (w *Form) GetW() int { return w.w }
func (w *Form) GetH() int { return w.h }
func (w *Form) WantW() int {
var ret int
if len(w.border) > 0 {
ret += 2
}
maxFld := wh.MaxFor(func(f Widget) int { return f.WantW() }, w.fields...)
ret += maxFld.WantW()
return 1
}
func (w *Form) WantH() int {
var ret int
if len(w.border) > 0 {
ret += 2
}
for i := range w.fields {
ret += w.fields[i].WantH()
}
if w.hasSubmit || w.hasCancel {
ret += 3
}
return ret
}
func (w *Form) SetSize(c Coord) {
w.SetW(c.X)
w.SetH(c.Y)
}
func (w *Form) Focusable() bool { return w.focusable }
func (w *Form) SetFocusable(b bool) { w.focusable = b }
func (w *Form) MinW() int { return 1 }
func (w *Form) MinH() int { return 1 }
// Non-Widget Functions
func (w *Form) IndexOf(n Widget) int {
for i := range w.fields {
if w.fields[i] == n {
return i
}
}
return -1
}
func (w *Form) Contains(n Widget) bool { return w.IndexOf(n) >= 0 }
func (w *Form) Replace(n, with Widget) {
idx := w.IndexOf(n)
if idx == -1 {
return
}
w.Delete(n)
w.Insert(with, idx)
}
func (w *Form) Add(n Widget) {
if w.Contains(n) {
// If the widget is already in the layout, move it to the end
w.Delete(n)
}
w.fields = append(w.fields, n)
}
func (w *Form) Insert(n Widget, idx int) {
if idx >= len(w.fields) {
w.Add(n)
return
}
if pos := w.IndexOf(n); pos >= 0 {
if pos < idx {
idx--
}
w.Delete(n)
}
w.fields = append(w.fields[:idx], append([]Widget{n}, w.fields[idx:]...)...)
}
func (w *Form) Delete(n Widget) {
for i := 0; i < len(w.fields); i++ {
if w.fields[i] == n {
w.DeleteIndex(i)
return
}
}
}
func (w *Form) DeleteIndex(idx int) {
if idx < len(w.fields) {
w.fields = append(w.fields[:idx], w.fields[idx+1:]...)
}
}
func (w *Form) Clear() { w.fields = []Widget{} }
func (w *Form) SetTitle(ttl string) { w.title = ttl }
func (w *Form) SetBorder(b []rune) { w.border = b }
func (w *Form) SetSubmitLabel(lbl string) { w.submit.SetLabel(lbl) }
func (w *Form) SetOnSubmit(sb func() bool) {
w.submit.SetOnPressed(sb)
w.hasSubmit = sb != nil
}
func (w *Form) SetCancelLabel(lbl string) { w.cancel.SetLabel(lbl) }
func (w *Form) SetOnCancel(sb func() bool) {
w.cancel.SetOnPressed(sb)
w.hasCancel = sb != nil
}