diff options
| -rw-r--r-- | label.go | 85 | ||||
| -rw-r--r-- | zz_test.go | 7 |
2 files changed, 87 insertions, 5 deletions
diff --git a/label.go b/label.go new file mode 100644 index 0000000..e143d50 --- /dev/null +++ b/label.go @@ -0,0 +1,85 @@ +// 12 december 2015 + +package ui + +import ( + "unsafe" +) + +// #include "ui.h" +import "C" + +// Label is a Control that represents a line of text that cannot be +// interacted with. TODO rest of documentation. +type Label struct { + c *C.uiControl + l *C.uiLabel +} + +// NewLabel creates a new Label with the given text. +func NewLabel(text string) *Label { + l := new(Label) + + ctext := C.CString(text) + l.l = C.uiNewLabel(ctext) + l.c = (*C.uiControl)(unsafe.Pointer(l.l)) + freestr(ctext) + + return l +} + +// Destroy destroys the Label. +func (l *Label) Destroy() { + C.uiControlDestroy(l.c) +} + +// LibuiControl returns the libui uiControl pointer that backs +// the Window. This is only used by package ui itself and should +// not be called by programs. +func (l *Label) LibuiControl() uintptr { + return uintptr(unsafe.Pointer(l.c)) +} + +// Handle returns the OS-level handle associated with this Label. +// On Windows this is an HWND of a standard Windows API STATIC +// class (as provided by Common Controls version 6). +// On GTK+ this is a pointer to a GtkLabel. +// On OS X this is a pointer to a NSTextField. +func (l *Label) Handle() uintptr { + return uintptr(C.uiControlHandle(l.c)) +} + +// Show shows the Label. +func (l *Label) Show() { + C.uiControlShow(l.c) +} + +// Hide hides the Label. +func (l *Label) Hide() { + C.uiControlHide(l.c) +} + +// Enable enables the Label. +func (l *Label) Enable() { + C.uiControlEnable(l.c) +} + +// Disable disables the Label. +func (l *Label) Disable() { + C.uiControlDisable(l.c) +} + +// Text returns the Label's text. +func (l *Label) Text() string { + ctext := C.uiLabelText(l.l) + text := C.GoString(ctext) + C.uiFreeText(ctext) + return text +} + +// SetText sets the Label's text to text. +func (l *Label) SetText(text string) { + ctext := C.CString(text) + C.uiLabelSetText(l.l, ctext) + freestr(ctext) +} @@ -11,11 +11,8 @@ func TestIt(t *testing.T) { Quit() return true }) - e := NewEntry() - e.OnChanged(func(*Entry) { - w.SetTitle(e.Text()) - }) - w.SetChild(e) + l := NewLabel("A Label") + w.SetChild(l) w.Show() }) if err != nil { |