andlabs-ui/redo/tab_unix.go

71 lines
1.7 KiB
Go

// +build !windows,!darwin
// 25 july 2014
package ui
import (
"unsafe"
)
// #include "gtk_unix.h"
import "C"
type tab struct {
_widget *C.GtkWidget
container *C.GtkContainer
notebook *C.GtkNotebook
tabs []*container
}
func newTab() Tab {
widget := C.gtk_notebook_new()
t := &tab{
_widget: widget,
container: (*C.GtkContainer)(unsafe.Pointer(widget)),
notebook: (*C.GtkNotebook)(unsafe.Pointer(widget)),
}
// there are no scrolling arrows by default; add them in case there are too many tabs
C.gtk_notebook_set_scrollable(t.notebook, C.TRUE)
return t
}
func (t *tab) Append(name string, control Control) {
c := newContainer(control)
t.tabs = append(t.tabs, c)
// this calls gtk_container_add(), which, according to gregier in irc.gimp.net/#gtk+, acts just like gtk_notebook_append_page()
c.setParent(&controlParent{t.container})
cname := togstr(name)
defer freegstr(cname)
C.gtk_notebook_set_tab_label_text(t.notebook,
// unfortunately there does not seem to be a gtk_notebook_set_nth_tab_label_text()
C.gtk_notebook_get_nth_page(t.notebook, C.gint(len(t.tabs) - 1)),
cname)
}
func (t *tab) widget() *C.GtkWidget {
return t._widget
}
func (t *tab) setParent(p *controlParent) {
basesetParent(t, p)
}
func (t *tab) allocate(x int, y int, width int, height int, d *sizing) []*allocation {
return baseallocate(t, x, y, width, height, d)
}
func (t *tab) preferredSize(d *sizing) (width, height int) {
return basepreferredSize(t, d)
}
// no need to override Control.commitResize() as only prepared the tabbed control; its children will be reallocated when that one is resized
func (t *tab) commitResize(a *allocation, d *sizing) {
basecommitResize(t, a, d)
}
func (t *tab) getAuxResizeInfo(d *sizing) {
basegetAuxResizeInfo(t, d)
}