andlabs-ui/textfield_unix.go

106 lines
2.3 KiB
Go

// +build !windows,!darwin
// 7 july 2014
package ui
import (
"unsafe"
)
// #include "gtk_unix.h"
// extern void textfieldChanged(GtkEditable *, gpointer);
// /* because cgo doesn't like GTK_STOCK_DIALOG_ERROR */
// static inline void setErrorIcon(GtkEntry *entry)
// {
// gtk_entry_set_icon_from_stock(entry, GTK_ENTRY_ICON_SECONDARY, GTK_STOCK_DIALOG_ERROR);
// }
import "C"
type textfield struct {
_widget *C.GtkWidget
entry *C.GtkEntry
changed *event
}
func startNewTextField() *textfield {
widget := C.gtk_entry_new()
t := &textfield{
_widget: widget,
entry: (*C.GtkEntry)(unsafe.Pointer(widget)),
changed: newEvent(),
}
g_signal_connect(
C.gpointer(unsafe.Pointer(t._widget)),
"changed",
C.GCallback(C.textfieldChanged),
C.gpointer(unsafe.Pointer(t)))
return t
}
func newTextField() *textfield {
return startNewTextField()
}
func newPasswordField() *textfield {
t := startNewTextField()
C.gtk_entry_set_visibility(t.entry, C.FALSE)
return t
}
func (t *textfield) Text() string {
return fromgstr(C.gtk_entry_get_text(t.entry))
}
func (t *textfield) SetText(text string) {
ctext := togstr(text)
defer freegstr(ctext)
C.gtk_entry_set_text(t.entry, ctext)
}
func (t *textfield) OnChanged(f func()) {
t.changed.set(f)
}
func (t *textfield) Invalid(reason string) {
if reason == "" {
C.gtk_entry_set_icon_from_stock(t.entry, C.GTK_ENTRY_ICON_SECONDARY, nil)
return
}
C.setErrorIcon(t.entry)
creason := togstr(reason)
defer freegstr(creason)
C.gtk_entry_set_icon_tooltip_text(t.entry, C.GTK_ENTRY_ICON_SECONDARY, creason)
C.gtk_widget_error_bell(t._widget)
}
//export textfieldChanged
func textfieldChanged(editable *C.GtkEditable, data C.gpointer) {
t := (*textfield)(unsafe.Pointer(data))
t.changed.fire()
}
func (t *textfield) widget() *C.GtkWidget {
return t._widget
}
func (t *textfield) setParent(p *controlParent) {
basesetParent(t, p)
}
func (t *textfield) allocate(x int, y int, width int, height int, d *sizing) []*allocation {
return baseallocate(t, x, y, width, height, d)
}
func (t *textfield) preferredSize(d *sizing) (width, height int) {
return basepreferredSize(t, d)
}
func (t *textfield) commitResize(a *allocation, d *sizing) {
basecommitResize(t, a, d)
}
func (t *textfield) getAuxResizeInfo(d *sizing) {
basegetAuxResizeInfo(t, d)
}