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textfield.go
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textfield.go
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package gocoa
// #cgo CFLAGS: -x objective-c
// #cgo LDFLAGS: -framework Cocoa
// #import "textfield.h"
import "C"
import (
"fmt"
"unsafe"
)
// TextField -Button represents a button control that can trigger actions.
type TextField struct {
textFieldPtr C.TextFieldPtr
callback func(value string)
}
var textfields []*TextField
// NewTextField - This func is not thread safe.
func NewTextField(x int, y int, width int, height int) *TextField {
textFieldID := len(textfields)
textFieldPtr := C.TextField_New(C.int(textFieldID), C.int(x), C.int(y), C.int(width), C.int(height))
tf := &TextField{
textFieldPtr: textFieldPtr,
}
textfields = append(textfields, tf)
return tf
}
// StringValue - returns the string value of the text field
func (textField *TextField) StringValue() string {
return C.GoString(C.TextField_StringValue(textField.textFieldPtr))
}
// SetStringValue sets the string value of the text field
func (textField *TextField) SetStringValue(text string) {
cText := C.CString(text)
defer C.free(unsafe.Pointer(cText))
C.TextField_SetStringValue(textField.textFieldPtr, cText)
}
// Remove - removes a Text Field from the parent view
func (textField *TextField) Remove() {
C.TextField_Remove(textField.textFieldPtr)
}
func (textField *TextField) Enabled() bool {
return C.TextField_Enabled(textField.textFieldPtr) == 1
}
// SetEnabled sets the enabled value of the text field. CANNOT BE CHANGED AT RUNTIME
func (textField *TextField) SetEnabled(enabled bool) {
if enabled {
C.TextField_SetEnabled(textField.textFieldPtr, 1)
} else {
C.TextField_SetEnabled(textField.textFieldPtr, 0)
}
}
func (textField *TextField) Editable() bool {
return C.TextField_Editable(textField.textFieldPtr) == 1
}
func (textField *TextField) SetEditable(editable bool) {
if editable {
C.TextField_SetEditable(textField.textFieldPtr, 1)
} else {
C.TextField_SetEditable(textField.textFieldPtr, 0)
}
}
func (textField *TextField) SetFontFamily(fontFamily string) {
cText := C.CString(fontFamily)
defer C.free(unsafe.Pointer(cText))
C.TextField_SetFontFamily(textField.textFieldPtr, cText)
}
func (textField *TextField) SetFontSize(fontSize int) {
C.TextField_SetFontSize(textField.textFieldPtr, C.int(fontSize))
}
func (textField *TextField) SetColor(hexRGBA string) {
var r, g, b, a = 0, 0, 0, 0
fmt.Sscanf(hexRGBA, "#%02x%02x%02x%02x", &r, &g, &b, &a)
C.TextField_SetColor(textField.textFieldPtr, C.int(r), C.int(g), C.int(b), C.int(a))
}
func (textField *TextField) SetBackgroundColor(hexRGBA string) {
var r, g, b, a = 0, 0, 0, 0
fmt.Sscanf(hexRGBA, "#%02x%02x%02x%02x", &r, &g, &b, &a)
C.TextField_SetBackgroundColor(textField.textFieldPtr, C.int(r), C.int(g), C.int(b), C.int(a))
}
func (textField *TextField) SetBorderColor(hexRGBA string) {
var r, g, b, a = 0, 0, 0, 0
fmt.Sscanf(hexRGBA, "#%02x%02x%02x%02x", &r, &g, &b, &a)
C.TextField_SetBorderColor(textField.textFieldPtr, C.int(r), C.int(g), C.int(b), C.int(a))
}
func (textField *TextField) SetBorderWidth(borderWidth int) {
C.TextField_SetBorderWidth(textField.textFieldPtr, C.int(borderWidth))
}
func (textField *TextField) SetBezeled(bezeled bool) {
if bezeled {
C.TextField_SetBezeled(textField.textFieldPtr, C.int(1))
} else {
C.TextField_SetBezeled(textField.textFieldPtr, C.int(0))
}
}
func (textField *TextField) SetDrawsBackground(drawsBackground bool) {
if drawsBackground {
C.TextField_SetDrawsBackground(textField.textFieldPtr, C.int(1))
} else {
C.TextField_SetDrawsBackground(textField.textFieldPtr, C.int(0))
}
}
func (textField *TextField) SetSelectable(selectable bool) {
if selectable {
C.TextField_SetSelectable(textField.textFieldPtr, C.int(1))
} else {
C.TextField_SetSelectable(textField.textFieldPtr, C.int(0))
}
}
func (textField *TextField) SetAlignmentCenter() {
C.TextField_SetAlignmentCenter(textField.textFieldPtr)
}
func (textField *TextField) SetAlignmentLeft() {
C.TextField_SetAlignmentLeft(textField.textFieldPtr)
}
func (textField *TextField) SetAlignmentRight() {
C.TextField_SetAlignmentRight(textField.textFieldPtr)
}
func (textField *TextField) OnChange(fn func(value string)) {
textField.callback = fn
}
//export onTextFieldDidChange
func onTextFieldDidChange(id C.int) {
textFieldID := int(id)
if textFieldID < len(textfields) && textfields[textFieldID].callback != nil {
tf := textfields[textFieldID]
tf.callback(tf.StringValue())
}
}