andlabs-ui/redo/label_unix.go

72 lines
1.6 KiB
Go

// +build !windows,!darwin
// 7 july 2014
package ui
import (
"unsafe"
)
// #include "gtk_unix.h"
// extern void buttonClicked(GtkButton *, gpointer);
// extern void checkboxToggled(GtkToggleButton *, gpointer);
import "C"
// TODOs:
// - standalone label on its own: should it be centered or not?
type label struct {
*controlbase
misc *C.GtkMisc
label *C.GtkLabel
standalone bool
supercommitResize func(c *allocation, d *sizing)
}
func finishNewLabel(text string, standalone bool) *label {
ctext := togstr(text)
defer freegstr(ctext)
widget := C.gtk_label_new(ctext)
l := &label{
controlbase: newControl(widget),
misc: (*C.GtkMisc)(unsafe.Pointer(widget)),
label: (*C.GtkLabel)(unsafe.Pointer(widget)),
standalone: standalone,
}
l.supercommitResize = l.fcommitResize
l.fcommitResize = l.labelcommitResize
return l
}
func newLabel(text string) Label {
return finishNewLabel(text, false)
}
func newStandaloneLabel(text string) Label {
return finishNewLabel(text, true)
}
func (l *label) Text() string {
return fromgstr(C.gtk_label_get_text(l.label))
}
func (l *label) SetText(text string) {
ctext := togstr(text)
defer freegstr(ctext)
C.gtk_label_set_text(l.label, ctext)
}
func (l *label) labelcommitResize(c *allocation, d *sizing) {
if !l.standalone && c.neighbor != nil {
c.neighbor.getAuxResizeInfo(d)
if d.shouldVAlignTop {
// don't bother aligning it to the first line of text in the control; this is harder than it's worth (thanks gregier in irc.gimp.net/#gtk+)
C.gtk_misc_set_alignment(l.misc, 0, 0)
} else {
C.gtk_misc_set_alignment(l.misc, 0, 0.5)
}
}
l.supercommitResize(c, d)
}