118 lines
2.6 KiB
Go
118 lines
2.6 KiB
Go
// 12 december 2015
|
|
|
|
package ui
|
|
|
|
import (
|
|
"unsafe"
|
|
)
|
|
|
|
// #include "ui.h"
|
|
import "C"
|
|
|
|
// Group is a Control that holds another Control and wraps it around
|
|
// a labelled box (though some systems make this box invisible).
|
|
// You can use this to group related controls together.
|
|
type Group struct {
|
|
c *C.uiControl
|
|
g *C.uiGroup
|
|
|
|
child Control
|
|
}
|
|
|
|
// NewGroup creates a new Group.
|
|
func NewGroup(title string) *Group {
|
|
g := new(Group)
|
|
|
|
ctitle := C.CString(title)
|
|
g.g = C.uiNewGroup(ctitle)
|
|
g.c = (*C.uiControl)(unsafe.Pointer(g.g))
|
|
freestr(ctitle)
|
|
|
|
return g
|
|
}
|
|
|
|
// Destroy destroys the Group. If the Group has a child,
|
|
// Destroy calls Destroy on that as well.
|
|
func (g *Group) Destroy() {
|
|
if g.child != nil {
|
|
c := g.child
|
|
g.SetChild(nil)
|
|
c.Destroy()
|
|
}
|
|
C.uiControlDestroy(g.c)
|
|
}
|
|
|
|
// LibuiControl returns the libui uiControl pointer that backs
|
|
// the Group. This is only used by package ui itself and should
|
|
// not be called by programs.
|
|
func (g *Group) LibuiControl() uintptr {
|
|
return uintptr(unsafe.Pointer(g.c))
|
|
}
|
|
|
|
// Handle returns the OS-level handle associated with this Group.
|
|
// On Windows this is an HWND of a standard Windows API BUTTON
|
|
// class (as provided by Common Controls version 6).
|
|
// On GTK+ this is a pointer to a GtkFrame.
|
|
// On OS X this is a pointer to a NSBox.
|
|
func (g *Group) Handle() uintptr {
|
|
return uintptr(C.uiControlHandle(g.c))
|
|
}
|
|
|
|
// Show shows the Group.
|
|
func (g *Group) Show() {
|
|
C.uiControlShow(g.c)
|
|
}
|
|
|
|
// Hide hides the Group.
|
|
func (g *Group) Hide() {
|
|
C.uiControlHide(g.c)
|
|
}
|
|
|
|
// Enable enables the Group.
|
|
func (g *Group) Enable() {
|
|
C.uiControlEnable(g.c)
|
|
}
|
|
|
|
// Disable disables the Group.
|
|
func (g *Group) Disable() {
|
|
C.uiControlDisable(g.c)
|
|
}
|
|
|
|
// Title returns the Group's title.
|
|
func (g *Group) Title() string {
|
|
ctitle := C.uiGroupTitle(g.g)
|
|
title := C.GoString(ctitle)
|
|
C.uiFreeText(ctitle)
|
|
return title
|
|
}
|
|
|
|
// SetTitle sets the Group's title to title.
|
|
func (g *Group) SetTitle(title string) {
|
|
ctitle := C.CString(title)
|
|
C.uiGroupSetTitle(g.g, ctitle)
|
|
freestr(ctitle)
|
|
}
|
|
|
|
// SetChild sets the Group's child to child. If child is nil, the Group
|
|
// will not have a child.
|
|
func (g *Group) SetChild(child Control) {
|
|
g.child = child
|
|
c := (*C.uiControl)(nil)
|
|
if g.child != nil {
|
|
c = touiControl(g.child.LibuiControl())
|
|
}
|
|
C.uiGroupSetChild(g.g, c)
|
|
}
|
|
|
|
// Margined returns whether the Group has margins around its child.
|
|
func (g *Group) Margined() bool {
|
|
return tobool(C.uiGroupMargined(g.g))
|
|
}
|
|
|
|
// SetMargined controls whether the Group has margins around its
|
|
// child. The size of the margins are determined by the OS and its
|
|
// best practices.
|
|
func (g *Group) SetMargined(margined bool) {
|
|
C.uiGroupSetMargined(g.g, frombool(margined))
|
|
}
|