So much work
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272
timefield.go
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272
timefield.go
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/*
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Copyright © Brian Buller <brian@bullercodeworks.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package widgets
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import (
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"fmt"
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"time"
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h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
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"github.com/gdamore/tcell"
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)
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type TimeField struct {
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id string
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label string
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style tcell.Style
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active bool
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visible bool
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tabbable bool
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x, y int
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w, h int
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wantW, wantH int
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value time.Time
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hasDate bool
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hasTime bool
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hasSeconds bool
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showNowBtn bool
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nowBtnActive bool
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cursor int
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keyMap KeyMap
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}
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// TODO: Allow changing the format.
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// For now it's just yyyy-mm-dd hh:mm:ss
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var _ Widget = (*TimeField)(nil)
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func NewTimeField(id string, style tcell.Style) *TimeField {
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ret := &TimeField{style: style}
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ret.Init(id, style)
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return ret
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}
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func (w *TimeField) Init(id string, style tcell.Style) {
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w.id = id
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w.style = style
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w.hasDate = true
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w.hasTime = true
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w.showNowBtn = true
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w.keyMap = NewKeyMap(map[tcell.Key]func(ev *tcell.EventKey) bool{
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tcell.KeyLeft: w.handleLeft,
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tcell.KeyRight: w.handleRight,
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tcell.KeyHome: w.handleHome,
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tcell.KeyEnd: w.handleEnd,
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})
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w.tabbable = true
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}
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func (w *TimeField) Id() string { return w.id }
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func (w *TimeField) HandleResize(ev *tcell.EventResize) {}
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func (w *TimeField) HandleKey(ev *tcell.EventKey) bool {
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if !w.active {
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return false
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}
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return false
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}
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func (w *TimeField) HandleTime(ev *tcell.EventTime) {}
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func (w *TimeField) Draw(screen tcell.Screen) {
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if !w.visible {
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return
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}
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ds := w.style
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if !w.active {
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ds = ds.Dim(true)
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}
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x := w.x
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labelW := len(w.label)
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if labelW > 0 {
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h.DrawText(w.x, w.y, w.label+": ", ds, screen)
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x = x + labelW + 2
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}
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if w.hasDate {
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yr, mo, dy := w.value.Year(), w.value.Month(), w.value.Day()
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for idx, vl := range fmt.Sprintf("%4d%2d%2d", yr, mo, dy) {
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if idx == 4 || idx == 7 {
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h.DrawText(x, w.y, "-", ds, screen)
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x++
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}
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if idx == w.cursor && !w.nowBtnActive {
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if w.active {
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h.DrawText(x, w.y, string(vl), ds.Reverse(true).Blink(true), screen)
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} else {
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h.DrawText(x, w.y, string(vl), ds, screen)
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}
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} else {
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h.DrawText(x, w.y, string(vl), ds, screen)
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}
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x++
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}
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}
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if w.hasTime {
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hr, mn, sc := w.value.Hour(), w.value.Minute(), w.value.Second()
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txt := fmt.Sprintf("%2d%2d", hr, mn)
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if w.hasSeconds {
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txt = fmt.Sprintf("%s%2d", txt, sc)
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}
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for idx, vl := range txt {
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if idx == 2 || idx == 5 {
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h.DrawText(x, w.y, ":", ds, screen)
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x++
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}
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if idx+8 == w.cursor && !w.nowBtnActive {
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if w.active {
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h.DrawText(x, w.y, string(vl), ds.Reverse(true).Blink(true), screen)
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} else {
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h.DrawText(x, w.y, string(vl), ds, screen)
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}
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} else {
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h.DrawText(x, w.y, string(vl), ds, screen)
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}
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x++
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}
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}
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if w.showNowBtn {
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if w.nowBtnActive {
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h.DrawText(x, w.y, "[ Now ]", ds.Reverse(true), screen)
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} else {
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h.DrawText(x, w.y, "[ Now ]", ds, screen)
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}
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}
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}
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func (w *TimeField) Active() bool { return w.active }
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func (w *TimeField) SetActive(a bool) { w.active = a }
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func (w *TimeField) Visible() bool { return w.visible }
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func (w *TimeField) SetVisible(a bool) { w.visible = a }
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func (w *TimeField) SetX(x int) { w.x = x }
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func (w *TimeField) SetY(y int) { w.y = y }
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func (w *TimeField) GetX() int { return w.x }
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func (w *TimeField) GetY() int { return w.y }
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func (w *TimeField) GetPos() Coord { return Coord{X: w.x, Y: w.y} }
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func (w *TimeField) SetPos(c Coord) { w.x, w.y = c.X, c.Y }
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func (w *TimeField) SetW(x int) { w.w = x }
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func (w *TimeField) SetH(y int) { w.h = y }
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func (w *TimeField) GetW() int { return w.w }
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func (w *TimeField) GetH() int { return w.y }
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func (w *TimeField) SetSize(c Coord) { w.w, w.h = c.X, c.Y }
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func (w *TimeField) Focusable() bool { return true }
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func (w *TimeField) SetTabbable(b bool) { w.tabbable = b }
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func (w *TimeField) Tabbable() bool { return w.tabbable }
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func (w *TimeField) WantW() int {
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wdt := 0
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if w.hasDate {
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wdt = 10 // yyyy-mm-dd
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}
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if w.hasTime {
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if w.hasDate {
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wdt += 1 // space between date & time
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}
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if w.hasSeconds {
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wdt += 8 // hh:mm:ss
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} else {
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wdt += 5 // hh:mm
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}
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}
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return wdt
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}
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func (w *TimeField) WantH() int { return 1 }
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func (w *TimeField) MinW() int {
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wdt := 0
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if w.hasDate {
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wdt = 10 // yyyy-mm-dd
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}
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if w.hasTime {
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if w.hasDate {
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wdt += 1 // space between date & time
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}
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if w.hasSeconds {
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wdt += 8 // hh:mm:ss
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} else {
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wdt += 5 // hh:mm
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}
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}
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return wdt
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}
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func (w *TimeField) MinH() int { return 1 }
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func (w *TimeField) SetLabel(lbl string) { w.label = lbl }
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func (w *TimeField) SetTime(tm time.Time) { w.value = tm }
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func (w *TimeField) SetHasSeconds(b bool) { w.hasSeconds = b }
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func (w *TimeField) SetHasTime(b bool) { w.hasTime = b }
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func (w *TimeField) SetHasDate(b bool) { w.hasDate = b }
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func (w *TimeField) SetValue(v time.Time) { w.value = v }
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func (w *TimeField) Value() time.Time { return w.value }
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func (w *TimeField) handleLeft(ev *tcell.EventKey) bool {
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if w.nowBtnActive {
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w.cursor = w.cursorLength()
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return true
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} else if w.cursor > 0 {
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w.cursor--
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return true
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}
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return false
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}
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func (w *TimeField) handleRight(ev *tcell.EventKey) bool {
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if w.cursor < w.cursorLength() {
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w.cursor++
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return true
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} else if !w.nowBtnActive {
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w.nowBtnActive = true
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return true
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}
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return false
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}
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func (w *TimeField) handleHome(ev *tcell.EventKey) bool {
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if w.cursor != 0 {
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w.cursor = 0
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return true
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}
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return false
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}
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func (w *TimeField) handleEnd(ev *tcell.EventKey) bool {
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l := w.cursorLength()
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if w.cursor != l {
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w.cursor = w.cursorLength()
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return true
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}
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return false
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}
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func (w *TimeField) cursorLength() int {
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var ret int
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if w.hasDate {
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ret += 8
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}
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if w.hasTime {
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ret += 4
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if w.hasSeconds {
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ret += 2
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}
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}
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return ret
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}
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