From 64fa922ec013079f8f0c90fc9e93c56db3611d30 Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Sun, 22 Apr 2018 21:25:06 +0300
Subject: Switch to dep

---
 vendor/maunium.net/go/tview/checkbox.go | 175 ++++++++++++++++++++++++++++++++
 1 file changed, 175 insertions(+)
 create mode 100644 vendor/maunium.net/go/tview/checkbox.go

(limited to 'vendor/maunium.net/go/tview/checkbox.go')

diff --git a/vendor/maunium.net/go/tview/checkbox.go b/vendor/maunium.net/go/tview/checkbox.go
new file mode 100644
index 0000000..83404b8
--- /dev/null
+++ b/vendor/maunium.net/go/tview/checkbox.go
@@ -0,0 +1,175 @@
+package tview
+
+import (
+	"maunium.net/go/tcell"
+)
+
+// Checkbox implements a simple box for boolean values which can be checked and
+// unchecked.
+//
+// See https://github.com/rivo/tview/wiki/Checkbox for an example.
+type Checkbox struct {
+	*Box
+
+	// Whether or not this box is checked.
+	checked bool
+
+	// The text to be displayed before the input area.
+	label string
+
+	// The label color.
+	labelColor tcell.Color
+
+	// The background color of the input area.
+	fieldBackgroundColor tcell.Color
+
+	// The text color of the input area.
+	fieldTextColor tcell.Color
+
+	// An optional function which is called when the user changes the checked
+	// state of this checkbox.
+	changed func(checked bool)
+
+	// An optional function which is called when the user indicated that they
+	// are done entering text. The key which was pressed is provided (tab,
+	// shift-tab, or escape).
+	done func(tcell.Key)
+}
+
+// NewCheckbox returns a new input field.
+func NewCheckbox() *Checkbox {
+	return &Checkbox{
+		Box:                  NewBox(),
+		labelColor:           Styles.SecondaryTextColor,
+		fieldBackgroundColor: Styles.ContrastBackgroundColor,
+		fieldTextColor:       Styles.PrimaryTextColor,
+	}
+}
+
+// SetChecked sets the state of the checkbox.
+func (c *Checkbox) SetChecked(checked bool) *Checkbox {
+	c.checked = checked
+	return c
+}
+
+// IsChecked returns whether or not the box is checked.
+func (c *Checkbox) IsChecked() bool {
+	return c.checked
+}
+
+// SetLabel sets the text to be displayed before the input area.
+func (c *Checkbox) SetLabel(label string) *Checkbox {
+	c.label = label
+	return c
+}
+
+// GetLabel returns the text to be displayed before the input area.
+func (c *Checkbox) GetLabel() string {
+	return c.label
+}
+
+// SetLabelColor sets the color of the label.
+func (c *Checkbox) SetLabelColor(color tcell.Color) *Checkbox {
+	c.labelColor = color
+	return c
+}
+
+// SetFieldBackgroundColor sets the background color of the input area.
+func (c *Checkbox) SetFieldBackgroundColor(color tcell.Color) *Checkbox {
+	c.fieldBackgroundColor = color
+	return c
+}
+
+// SetFieldTextColor sets the text color of the input area.
+func (c *Checkbox) SetFieldTextColor(color tcell.Color) *Checkbox {
+	c.fieldTextColor = color
+	return c
+}
+
+// SetFormAttributes sets attributes shared by all form items.
+func (c *Checkbox) SetFormAttributes(label string, labelColor, bgColor, fieldTextColor, fieldBgColor tcell.Color) FormItem {
+	c.label = label
+	c.labelColor = labelColor
+	c.backgroundColor = bgColor
+	c.fieldTextColor = fieldTextColor
+	c.fieldBackgroundColor = fieldBgColor
+	return c
+}
+
+// GetFieldWidth returns this primitive's field width.
+func (c *Checkbox) GetFieldWidth() int {
+	return 1
+}
+
+// SetChangedFunc sets a handler which is called when the checked state of this
+// checkbox was changed by the user. The handler function receives the new
+// state.
+func (c *Checkbox) SetChangedFunc(handler func(checked bool)) *Checkbox {
+	c.changed = handler
+	return c
+}
+
+// SetDoneFunc sets a handler which is called when the user is done entering
+// text. The callback function is provided with the key that was pressed, which
+// is one of the following:
+//
+//   - KeyEscape: Abort text input.
+//   - KeyTab: Move to the next field.
+//   - KeyBacktab: Move to the previous field.
+func (c *Checkbox) SetDoneFunc(handler func(key tcell.Key)) *Checkbox {
+	c.done = handler
+	return c
+}
+
+// SetFinishedFunc calls SetDoneFunc().
+func (c *Checkbox) SetFinishedFunc(handler func(key tcell.Key)) FormItem {
+	return c.SetDoneFunc(handler)
+}
+
+// Draw draws this primitive onto the screen.
+func (c *Checkbox) Draw(screen tcell.Screen) {
+	c.Box.Draw(screen)
+
+	// Prepare
+	x, y, width, height := c.GetInnerRect()
+	rightLimit := x + width
+	if height < 1 || rightLimit <= x {
+		return
+	}
+
+	// Draw label.
+	_, drawnWidth := Print(screen, c.label, x, y, rightLimit-x, AlignLeft, c.labelColor)
+	x += drawnWidth
+
+	// Draw checkbox.
+	fieldStyle := tcell.StyleDefault.Background(c.fieldBackgroundColor).Foreground(c.fieldTextColor)
+	if c.focus.HasFocus() {
+		fieldStyle = fieldStyle.Background(c.fieldTextColor).Foreground(c.fieldBackgroundColor)
+	}
+	checkedRune := 'X'
+	if !c.checked {
+		checkedRune = ' '
+	}
+	screen.SetContent(x, y, checkedRune, nil, fieldStyle)
+}
+
+// InputHandler returns the handler for this primitive.
+func (c *Checkbox) InputHandler() func(event *tcell.EventKey, setFocus func(p Primitive)) {
+	return c.WrapInputHandler(func(event *tcell.EventKey, setFocus func(p Primitive)) {
+		// Process key event.
+		switch key := event.Key(); key {
+		case tcell.KeyRune, tcell.KeyEnter: // Check.
+			if key == tcell.KeyRune && event.Rune() != ' ' {
+				break
+			}
+			c.checked = !c.checked
+			if c.changed != nil {
+				c.changed(c.checked)
+			}
+		case tcell.KeyTab, tcell.KeyBacktab, tcell.KeyEscape: // We're done.
+			if c.done != nil {
+				c.done(key)
+			}
+		}
+	})
+}
-- 
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