Some work
This commit is contained in:
257
wdgt_form.go
Normal file
257
wdgt_form.go
Normal 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
|
||||
}
|
||||
Reference in New Issue
Block a user