A lot of layout work

wdgt_prompt.go

@@ -0,0 +1,144 @@
+/*
+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"
+	"strings"
+
+	wh "git.bullercodeworks.com/brian/tcell-widgets/helpers"
+	"github.com/gdamore/tcell"
+)
+
+// TODO: Rebuild with LinearLayouts
+type Prompt struct {
+	id    string
+	style tcell.Style
+
+	x, y     int
+	w, h     int
+	active   bool
+	visible  bool
+	tabbable bool
+
+	title            string
+	message          *Text
+	field            *Field
+	btnOk, btnCancel *Button
+	onOk             func(string) bool
+}
+
+var _ Widget = (*Prompt)(nil)
+
+func NewPrompt(id string, style tcell.Style) *Prompt {
+	ret := &Prompt{}
+	ret.Init(id, style)
+	return ret
+}
+
+func (w *Prompt) Init(id string, style tcell.Style) {
+	w.id = id
+	w.style = style
+	w.message = NewText(fmt.Sprintf("%s-text", id), style)
+	w.field = NewField(fmt.Sprintf("%s-field", id), style)
+	w.btnOk = NewButton(fmt.Sprintf("%s-select", id), style)
+	w.btnOk.SetLabel("Ok")
+	w.btnCancel = NewButton(fmt.Sprintf("%s-cancel", id), style)
+	w.btnCancel.SetLabel("Cancel")
+	w.tabbable = true
+}
+func (w *Prompt) Id() string { return w.id }
+func (w *Prompt) HandleResize(ev *tcell.EventResize) {
+	w.w, w.h = ev.Size()
+
+	// Prompt is shrink-wrapped by default
+	w.w = wh.Min(w.w, w.WantW())
+	w.h = wh.Min(w.h, w.WantH())
+
+	w.message.SetPos(Coord{X: w.x + 1, Y: w.y + 1})
+	w.field.SetPos(Coord{X: w.x + 1, Y: WidgetBottom(w.message)})
+	w.btnOk.SetPos(Coord{X: w.x + w.w - w.btnOk.WantW(), Y: w.y + w.h - 1})
+	w.btnCancel.SetPos(Coord{X: w.x + 1, Y: w.y + w.h - 1})
+}
+
+func (w *Prompt) HandleKey(ev *tcell.EventKey) bool {
+	if !w.active {
+		return false
+	}
+	return false
+}
+func (w *Prompt) HandleTime(ev *tcell.EventTime) {}
+func (w *Prompt) Draw(screen tcell.Screen) {
+	if !w.visible {
+		return
+	}
+	dS := w.style
+	if !w.active {
+		dS = dS.Dim(true)
+	}
+	wh.TitledBorderFilled(w.x, w.y, w.x+w.w, w.y+w.h, w.title, wh.BRD_SIMPLE, w.style, screen)
+	w.GetPos().DrawOffset(w.message, screen)
+	w.GetPos().DrawOffset(w.btnOk, screen)
+	w.GetPos().DrawOffset(w.btnCancel, screen)
+}
+
+func (w *Prompt) Active() bool       { return w.active }
+func (w *Prompt) SetActive(a bool)   { w.active = a }
+func (w *Prompt) Visible() bool      { return w.visible }
+func (w *Prompt) SetVisible(a bool)  { w.visible = a }
+func (w *Prompt) SetX(x int)         { w.x = x }
+func (w *Prompt) SetY(y int)         { w.y = y }
+func (w *Prompt) GetX() int          { return w.x }
+func (w *Prompt) GetY() int          { return w.y }
+func (w *Prompt) GetPos() Coord      { return Coord{X: w.x, Y: w.y} }
+func (w *Prompt) SetPos(c Coord)     { w.x, w.y = c.X, c.Y }
+func (w *Prompt) SetW(x int)         { w.w = x }
+func (w *Prompt) SetH(y int)         { w.h = y }
+func (w *Prompt) GetW() int          { return w.w }
+func (w *Prompt) GetH() int          { return w.y }
+func (w *Prompt) SetSize(c Coord)    { w.w, w.h = c.X, c.Y }
+func (w *Prompt) Focusable() bool    { return true }
+func (w *Prompt) SetTabbable(b bool) { w.tabbable = b }
+func (w *Prompt) Tabbable() bool     { return w.tabbable }
+func (w *Prompt) WantW() int {
+	return w.btnOk.WantW() + w.btnCancel.WantW() + 4
+}
+
+func (w *Prompt) WantH() int {
+	msg := len(strings.Split(wh.WrapText(w.message.GetText(), w.WantW()), "\n"))
+	return 2 + w.field.WantH() + w.btnOk.WantH() + msg
+}
+
+func (w *Prompt) SetTitle(ttl string) { w.title = ttl }
+func (w *Prompt) SetMessage(msg string) {
+	w.message.SetText(msg)
+}
+
+func (w *Prompt) MinW() int {
+	return 2 + w.field.MinW() + w.btnOk.MinW() + w.btnCancel.MinW() + w.message.MinW()
+}
+
+func (w *Prompt) MinH() int {
+	return 2 + w.field.MinH() + w.btnOk.MinH() + w.message.MinH()
+}
+
+func (w *Prompt) SetOnOk(f func(string) bool) { w.onOk = f }