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https://github.com/br0xen/termbox-util.git
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Linted termbox_inputfield.go
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parent
e469e625ed
commit
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@ -1,4 +1,4 @@
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package termbox_util
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package termboxUtil
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import (
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"fmt"
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@ -6,6 +6,7 @@ import (
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"github.com/nsf/termbox-go"
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)
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// InputField is a field for inputting text
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type InputField struct {
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value string
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x, y, width, height int
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@ -14,47 +15,67 @@ type InputField struct {
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bordered bool
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}
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// CreateInputField creates an input field at x, y that is w by h
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func CreateInputField(x, y, w, h int, fg, bg termbox.Attribute) *InputField {
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i := InputField{x: x, y: y, width: w, height: h, fg: fg, bg: bg}
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return &i
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}
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// GetValue gets the current text that is in the InputField
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func (i *InputField) GetValue() string { return i.value }
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// SetValue sets the current text in the InputField to s
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func (i *InputField) SetValue(s string) *InputField {
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i.value = s
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return i
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}
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// GetX returns the x position of the input field
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func (i *InputField) GetX() int { return i.x }
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// SetX sets the x position of the input field
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func (i *InputField) SetX(x int) *InputField {
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i.x = x
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return i
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}
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// GetY returns the y position of the input field
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func (i *InputField) GetY() int { return i.y }
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// SetY sets the y position of the input field
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func (i *InputField) SetY(y int) *InputField {
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i.y = y
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return i
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}
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// GetWidth returns the current width of the input field
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func (i *InputField) GetWidth() int { return i.width }
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// SetWidth sets the current width of the input field
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func (i *InputField) SetWidth(w int) *InputField {
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i.width = w
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return i
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}
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// GetHeight returns the current height of the input field
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func (i *InputField) GetHeight() int { return i.height }
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// SetHeight sets the current height of the input field
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func (i *InputField) SetHeight(h int) *InputField {
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i.height = h
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return i
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}
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// IsBordered returns true or false if this input field has a border
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func (i *InputField) IsBordered() bool { return i.bordered }
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// SetBordered sets whether we render a border around the input field
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func (i *InputField) SetBordered(b bool) *InputField {
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i.bordered = b
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return i
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}
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// HandleKeyPress accepts the termbox event and returns whether it was consumed
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func (i *InputField) HandleKeyPress(event termbox.Event) bool {
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if event.Key == termbox.KeyEnter {
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// Done editing
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@ -64,11 +85,11 @@ func (i *InputField) HandleKeyPress(event termbox.Event) bool {
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}
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} else if event.Key == termbox.KeyArrowLeft {
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if i.cursor+len(i.value) > 0 {
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i.cursor -= 1
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i.cursor--
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}
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} else if event.Key == termbox.KeyArrowRight {
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if i.cursor < 0 {
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i.cursor += 1
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i.cursor++
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}
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} else if event.Key == termbox.KeyCtrlU {
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// Ctrl+U Clears the Input
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@ -91,39 +112,40 @@ func (i *InputField) HandleKeyPress(event termbox.Event) bool {
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} else if i.cursor == 0 {
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i.value = fmt.Sprintf("%s%s", i.value, ch)
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} else {
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str_pt_1 := i.value[:(len(i.value) + i.cursor)]
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str_pt_2 := i.value[(len(i.value) + i.cursor):]
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i.value = fmt.Sprintf("%s%s%s", str_pt_1, ch, str_pt_2)
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strPt1 := i.value[:(len(i.value) + i.cursor)]
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strPt2 := i.value[(len(i.value) + i.cursor):]
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i.value = fmt.Sprintf("%s%s%s", strPt1, ch, strPt2)
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}
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}
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return true
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}
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// Draw outputs the input field on the screen
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func (i *InputField) Draw() {
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if i.bordered {
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DrawBorder(i.x, i.y, i.x+i.width, i.y+i.height, i.fg, i.bg)
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}
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var str_pt_1, str_pt_2 string
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var cursor_rune rune
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var strPt1, strPt2 string
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var cursorRune rune
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if len(i.value) > 0 {
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if i.cursor+len(i.value) == 0 {
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str_pt_1 = ""
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str_pt_2 = i.value[1:]
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cursor_rune = rune(i.value[0])
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strPt1 = ""
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strPt2 = i.value[1:]
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cursorRune = rune(i.value[0])
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} else if i.cursor == 0 {
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str_pt_1 = i.value
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str_pt_2 = ""
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cursor_rune = ' '
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strPt1 = i.value
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strPt2 = ""
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cursorRune = ' '
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} else {
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str_pt_1 = i.value[:(len(i.value) + i.cursor)]
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str_pt_2 = i.value[(len(i.value)+i.cursor)+1:]
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cursor_rune = rune(i.value[len(i.value)+i.cursor])
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strPt1 = i.value[:(len(i.value) + i.cursor)]
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strPt2 = i.value[(len(i.value)+i.cursor)+1:]
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cursorRune = rune(i.value[len(i.value)+i.cursor])
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}
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} else {
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str_pt_1, str_pt_2, cursor_rune = "", "", ' '
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strPt1, strPt2, cursorRune = "", "", ' '
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}
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x, y := DrawStringAtPoint(str_pt_1, i.x+1, i.y+1, i.fg, i.bg)
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termbox.SetCell(x, y, cursor_rune, i.bg, i.fg)
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x, y := DrawStringAtPoint(strPt1, i.x+1, i.y+1, i.fg, i.bg)
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termbox.SetCell(x, y, cursorRune, i.bg, i.fg)
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DrawStringAtPoint(str_pt_2, x+1, y, i.fg, i.bg)
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}
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