Add Confirm Modal

Also update inputfield/inputmodal

termbox_confirmmodal.go

@@ -0,0 +1,131 @@
+package termbox_util
+
+import (
+	"github.com/nsf/termbox-go"
+)
+
+type ConfirmModal struct {
+	title               string
+	text                string
+	x, y, width, height int
+	show_help           bool
+	cursor              int
+	bg, fg              termbox.Attribute
+	is_done             bool
+	accepted            bool
+	value               string
+}
+
+func CreateConfirmModal(title string, x, y, width, height int, fg, bg termbox.Attribute) *ConfirmModal {
+	i := ConfirmModal{title: title, x: x, y: y, width: width, height: height, fg: fg, bg: bg}
+	if i.title == "" && i.text == "" {
+		i.title = "Confirm?"
+	}
+	i.show_help = true
+	return &i
+}
+
+func (i *ConfirmModal) GetTitle() string { return i.title }
+func (i *ConfirmModal) SetTitle(s string) *ConfirmModal {
+	i.title = s
+	return i
+}
+
+func (i *ConfirmModal) GetText() string { return i.text }
+func (i *ConfirmModal) SetText(s string) *ConfirmModal {
+	i.text = s
+	return i
+}
+
+func (i *ConfirmModal) GetX() int { return i.x }
+func (i *ConfirmModal) SetX(x int) *ConfirmModal {
+	i.x = x
+	return i
+}
+func (i *ConfirmModal) GetY() int { return i.y }
+func (i *ConfirmModal) SetY(y int) *ConfirmModal {
+	i.y = y
+	return i
+}
+
+func (i *ConfirmModal) GetWidth() int { return i.width }
+func (i *ConfirmModal) SetWidth(width int) *ConfirmModal {
+	i.width = width
+	return i
+}
+
+func (i *ConfirmModal) GetHeight() int { return i.height }
+func (i *ConfirmModal) SetHeight(height int) *ConfirmModal {
+	i.height = height
+	return i
+}
+
+func (i *ConfirmModal) HelpIsShown() bool { return i.show_help }
+func (i *ConfirmModal) ShowHelp(b bool) *ConfirmModal {
+	i.show_help = b
+	return i
+}
+
+func (i *ConfirmModal) GetBackground() termbox.Attribute { return i.bg }
+func (i *ConfirmModal) SetBackground(bg termbox.Attribute) *ConfirmModal {
+	i.bg = bg
+	return i
+}
+
+func (i *ConfirmModal) GetForeground() termbox.Attribute { return i.fg }
+func (i *ConfirmModal) SetForeground(fg termbox.Attribute) *ConfirmModal {
+	i.fg = fg
+	return i
+}
+
+func (i *ConfirmModal) IsDone() bool { return i.is_done }
+func (i *ConfirmModal) SetDone(b bool) *ConfirmModal {
+	i.is_done = b
+	return i
+}
+
+func (i *ConfirmModal) IsAccepted() bool { return i.accepted }
+
+func (i *ConfirmModal) Clear() *ConfirmModal {
+	i.title = ""
+	i.text = ""
+	i.accepted = false
+	i.is_done = false
+	return i
+}
+
+func (i *ConfirmModal) HandleKeyPress(event termbox.Event) bool {
+	if event.Ch == 'Y' || event.Ch == 'y' {
+		i.accepted = true
+		i.is_done = true
+		return true
+	} else if event.Ch == 'N' || event.Ch == 'n' {
+		i.accepted = false
+		i.is_done = true
+		return true
+	}
+	return false
+}
+func (i *ConfirmModal) Draw() {
+	// First blank out the area we'll be putting the modal
+	FillWithChar(' ', i.x, i.y, i.x+i.width, i.y+i.height, i.fg, i.bg)
+	// Now draw the border
+	DrawBorder(i.x, i.y, i.x+i.width, i.y+i.height, i.fg, i.bg)
+
+	next_y := i.y + 1
+	// The title
+	if i.title != "" {
+		DrawStringAtPoint(i.title, i.x+1, next_y, i.fg, i.bg)
+		next_y += 1
+		FillWithChar('-', i.x+1, next_y, i.x+i.width-1, next_y, i.fg, i.bg)
+		next_y += 1
+	}
+	if i.text != "" {
+		DrawStringAtPoint(i.text, i.x+1, next_y, i.fg, i.bg)
+		next_y += 1
+	}
+	next_y += 3
+	if i.show_help {
+		DrawStringAtPoint("(Y/y) Confirm. (N/n) Reject.", i.x+1, next_y, i.fg, i.bg)
+	}
+}

termbox_inputfield.go

@@ -69,6 +69,9 @@ func (i *InputField) HandleKeyPress(event termbox.Event) bool {
 		if i.cursor < 0 {
 			i.cursor += 1
 		}
+	} else if event.Key == termbox.KeyCtrlU {
+		// Ctrl+U Clears the Input
+		i.value = ""
 	} else {
 		if i.cursor+len(i.value) == 0 {
 			i.value = fmt.Sprintf("%s%s", string(event.Ch), i.value)

termbox_inputmodal.go

@@ -13,12 +13,12 @@ type InputModal struct {
 	cursor              int
 	bg, fg              termbox.Attribute
 	is_done             bool
-	value               string
 }
 
 func CreateInputModal(title string, x, y, width, height int, fg, bg termbox.Attribute) *InputModal {
 	i := InputModal{title: title, x: x, y: y, width: width, height: height, fg: fg, bg: bg}
 	i.input = CreateInputField(i.x+1, i.y+3, i.width-2, 2, i.fg, i.bg)
+	i.show_help = true
 	i.input.bordered = true
 	return &i
 }
@@ -82,9 +82,12 @@ func (i *InputModal) SetDone(b bool) *InputModal {
 func (i *InputModal) IsDone() bool {
 	return i.is_done
 }
-func (i *InputModal) GetValue() string {
-	return i.value
+func (i *InputModal) GetValue() string { return i.input.GetValue() }
+func (i *InputModal) SetValue(s string) *InputModal {
+	i.input.SetValue(s)
+	return i
 }
+
 func (i *InputModal) Clear() *InputModal {
 	i.title = ""
 	i.text = ""
@@ -96,7 +99,6 @@ func (i *InputModal) Clear() *InputModal {
 func (i *InputModal) HandleKeyPress(event termbox.Event) bool {
 	if event.Key == termbox.KeyEnter {
 		// Done editing
-		i.value = i.input.GetValue()
 		i.is_done = true
 		return true
 	} else {
@@ -124,4 +126,7 @@ func (i *InputModal) Draw() {
 	i.input.SetY(next_y)
 	i.input.Draw()
 	next_y += 3
+	if i.show_help {
+		DrawStringAtPoint("(ENTER) to Accept. (ESC) to Cancel.", i.x+1, next_y, i.fg, i.bg)
+	}
 }