146 lines
4.2 KiB
Go
146 lines
4.2 KiB
Go
/*
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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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h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
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"github.com/gdamore/tcell"
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)
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const (
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CHECKBOX_ON = iota
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CHECKBOX_OFF
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CHECKBOX_MAYBE
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)
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type Checkbox 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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state int
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x, y int
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w, h int
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stateRunes []rune
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}
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var _ Widget = (*Checkbox)(nil)
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func NewCheckbox(id string, style tcell.Style) *Checkbox {
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ret := &Checkbox{}
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ret.Init(id, style)
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return ret
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}
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func (w *Checkbox) 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.visible = true
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w.stateRunes = []rune{'X', ' ', '-'}
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w.tabbable = true
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}
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func (w *Checkbox) Id() string { return w.id }
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func (w *Checkbox) HandleResize(ev *tcell.EventResize) { w.w, w.h = ev.Size() }
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func (w *Checkbox) 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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if ev.Key() == tcell.KeyEnter {
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if w.state == CHECKBOX_ON {
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w.state = CHECKBOX_OFF
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} else {
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w.state = CHECKBOX_ON
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}
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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 *Checkbox) HandleTime(ev *tcell.EventTime) {}
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func (w *Checkbox) Draw(screen tcell.Screen) {
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if !w.visible {
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return
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}
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dStyle := w.style
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if w.active {
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dStyle = w.style.Bold(true)
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}
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h.DrawText(w.x, w.y, fmt.Sprintf("[%s] %s", string(w.state), w.label), dStyle, screen)
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}
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func (w *Checkbox) DrawOffset(c Coord, screen tcell.Screen) {
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p := w.GetPos()
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w.SetPos(p.Add(c))
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w.Draw(screen)
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w.SetPos(p)
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}
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func (w *Checkbox) Active() bool { return w.active }
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func (w *Checkbox) SetActive(a bool) { w.active = a }
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func (w *Checkbox) Visible() bool { return w.visible }
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func (w *Checkbox) SetVisible(a bool) { w.visible = a }
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func (w *Checkbox) SetX(x int) { w.x = x }
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func (w *Checkbox) SetY(y int) { w.y = y }
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func (w *Checkbox) GetX() int { return w.x }
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func (w *Checkbox) GetY() int { return w.y }
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func (w *Checkbox) GetPos() Coord { return Coord{X: w.x, Y: w.y} }
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func (w *Checkbox) SetPos(c Coord) { w.x, w.y = c.X, c.Y }
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func (w *Checkbox) SetW(x int) { w.w = x }
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func (w *Checkbox) SetH(y int) { w.h = y }
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func (w *Checkbox) GetW() int { return w.w }
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func (w *Checkbox) GetH() int { return w.y }
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func (w *Checkbox) WantW() int {
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return len(fmt.Sprintf("[%s] %s", string(w.state), w.label))
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}
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func (w *Checkbox) WantH() int { return 1 }
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func (w *Checkbox) SetSize(c Coord) { w.w, w.h = c.X, c.Y }
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func (w *Checkbox) Focusable() bool { return true }
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func (w *Checkbox) SetTabbable(b bool) { w.tabbable = b }
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func (w *Checkbox) Tabbable() bool { return w.tabbable }
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func (w *Checkbox) MinW() int {
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return len(fmt.Sprintf("[%s] %s", string(w.state), w.label))
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}
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func (w *Checkbox) MinH() int { return 1 }
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func (w *Checkbox) SetLabel(l string) { w.label = l }
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func (w *Checkbox) SetChecked(v bool) {
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if v {
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w.state = CHECKBOX_ON
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} else {
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w.state = CHECKBOX_OFF
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}
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}
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func (w *Checkbox) IsChecked() bool { return w.state == CHECKBOX_ON }
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func (w *Checkbox) SetToMaybe() { w.state = CHECKBOX_MAYBE }
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func (w *Checkbox) SetStateRunes(runes []rune) {
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for i := range runes {
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if i > 2 {
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return
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}
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w.stateRunes[i] = runes[i]
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}
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}
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