82 lines
2.0 KiB
Go
82 lines
2.0 KiB
Go
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// 12 december 2015
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package ui
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import (
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"unsafe"
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)
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// #include "ui.h"
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import "C"
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// RadioButtons is a Control that represents a set of checkable
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// buttons from which exactly one may be chosen by the user.
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//
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// Due to platform-specific limitations, it is impossible for a
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// RadioButtons to have no button selected (unless there are no
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// buttons).
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type RadioButtons struct {
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c *C.uiControl
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r *C.uiRadioButtons
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}
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// NewRadioButtons creates a new RadioButtons.
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func NewRadioButtons() *RadioButtons {
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r := new(RadioButtons)
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r.r = C.uiNewRadioButtons()
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r.c = (*C.uiControl)(unsafe.Pointer(r.r))
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return r
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}
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// Destroy destroys the RadioButtons.
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func (r *RadioButtons) Destroy() {
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C.uiControlDestroy(r.c)
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}
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// LibuiControl returns the libui uiControl pointer that backs
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// the Window. This is only used by package ui itself and should
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// not be called by programs.
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func (r *RadioButtons) LibuiControl() uintptr {
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return uintptr(unsafe.Pointer(r.c))
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}
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// Handle returns the OS-level handle associated with this RadioButtons.
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// On Windows this is an HWND of a libui-internal class; its
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// child windows are instances of the standard Windows API
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// BUTTON class (as provided by Common Controls version 6).
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// On GTK+ this is a pointer to a GtkBox containing GtkRadioButtons.
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// On OS X this is a pointer to a NSMatrix with NSButtonCell cells.
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func (r *RadioButtons) Handle() uintptr {
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return uintptr(C.uiControlHandle(r.c))
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}
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// Show shows the RadioButtons.
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func (r *RadioButtons) Show() {
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C.uiControlShow(r.c)
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}
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// Hide hides the RadioButtons.
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func (r *RadioButtons) Hide() {
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C.uiControlHide(r.c)
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}
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// Enable enables the RadioButtons.
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func (r *RadioButtons) Enable() {
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C.uiControlEnable(r.c)
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}
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// Disable disables the RadioButtons.
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func (r *RadioButtons) Disable() {
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C.uiControlDisable(r.c)
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}
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// Append adds the named button to the end of the RadioButtons.
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// If this button is the first button, it is automatically selected.
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func (r *RadioButtons) Append(text string) {
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ctext := C.CString(text)
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C.uiRadioButtonsAppend(r.r, ctext)
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freestr(ctext)
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}
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