termbox-util/termbox_inputmodal.go

135 lines
3.4 KiB
Go

package termbox_util
import (
"github.com/nsf/termbox-go"
)
type InputModal struct {
title string
text string
value string
x, y, width, height int
show_help bool
cursor int
bg, fg termbox.Attribute
}
func CreateInputModal(text string, x, y, width, height int, fg, bg termbox.Attribute) *InputModal {
i := InputModal{text: text, x: x, y: y, width: width, height: height, fg: fg, bg: bg}
return &i
}
func (i *InputModal) GetTitle() string { return i.title }
func (i *InputModal) SetTitle(s string) *InputModal {
i.title = s
return i
}
func (i *InputModal) GetText() string { return i.text }
func (i *InputModal) SetText(s string) *InputModal {
i.text = s
return i
}
func (i *InputModal) GetValue() string { return i.value }
func (i *InputModal) SetValue(s string) *InputModal {
i.value = s
return i
}
func (i *InputModal) GetX() int { return i.x }
func (i *InputModal) SetX(x int) *InputModal {
i.x = x
return i
}
func (i *InputModal) GetY() int { return i.y }
func (i *InputModal) SetY(y int) *InputModal {
i.y = y
return i
}
func (i *InputModal) GetWidth() int { return i.width }
func (i *InputModal) SetWidth(width int) *InputModal {
i.width = width
return i
}
func (i *InputModal) GetHeight() int { return i.height }
func (i *InputModal) SetHeight(height int) *InputModal {
i.height = height
return i
}
func (i *InputModal) HelpIsShown() bool { return i.show_help }
func (i *InputModal) ShowHelp(b bool) *InputModal {
i.show_help = b
return i
}
func (i *InputModal) GetCursorPos() int { return i.cursor }
func (i *InputModal) SetCursorPos(c int) *InputModal {
i.cursor = c
return i
}
func (i *InputModal) MoveCursorLeft() *InputModal {
if len(i.value)+(i.GetCursorPos()) > 0 {
i.cursor = i.GetCursorPos() - 1
}
return i
}
func (i *InputModal) MoveCursorRight() *InputModal {
if i.GetCursorPos() < 0 {
i.cursor = i.GetCursorPos() + 1
}
return i
}
func (i *InputModal) GetBackground() termbox.Attribute { return i.bg }
func (i *InputModal) SetBackground(bg termbox.Attribute) *InputModal {
i.bg = bg
return i
}
func (i *InputModal) GetForeground() termbox.Attribute { return i.fg }
func (i *InputModal) SetForeground(fg termbox.Attribute) *InputModal {
i.fg = fg
return i
}
func (i *InputModal) HandleKeyPress(event termbox.Event) bool {
if event.Key == termbox.KeyEnter {
// Done editing
} else if event.Key == termbox.KeyBackspace || event.Key == termbox.KeyBackspace2 {
i.value = i.value[:len(i.value)-1]
i.cursor -= 1
} else {
i.value += string(event.Ch)
i.cursor += 1
}
return true
}
func (i *InputModal) 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)
DrawBorder(i.x+2, i.y+2, i.x+i.width-2, i.y+4, i.fg, i.bg)
// TODO: Output Cursor at appropriate spot
var output_string_1, output_string_2 string
var cursor_rune rune
if len(i.value) > 0 {
output_string_1 = i.value[:(len(i.value) - 1 + i.cursor)]
output_string_2 = i.value[(len(i.value) - 1 + i.cursor):]
cursor_rune = ' '
} else {
output_string_1 = ""
output_string_2 = ""
cursor_rune = ' '
}
DrawStringAtPoint(output_string_1, i.x+3, i.y+3, i.fg, i.bg)
termbox.SetCell(i.x+len(output_string_1), i.y+3, cursor_rune, i.bg, i.fg)
DrawStringAtPoint(output_string_2, i.x+3+len(output_string_1)+1, i.y+3, i.fg, i.bg)
}