83 lines
1.6 KiB
Go
83 lines
1.6 KiB
Go
// +build !windows,!darwin
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// 7 july 2014
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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 "gtk_unix.h"
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// extern void buttonClicked(GtkButton *, gpointer);
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import "C"
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type button struct {
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_widget *C.GtkWidget
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button *C.GtkButton
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clicked *event
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}
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// shared code for setting up buttons, check boxes, etc.
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func newButton(text string) *button {
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ctext := togstr(text)
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defer freegstr(ctext)
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widget := C.gtk_button_new_with_label(ctext)
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b := &button{
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_widget: widget,
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button: (*C.GtkButton)(unsafe.Pointer(widget)),
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clicked: newEvent(),
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}
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g_signal_connect(
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C.gpointer(unsafe.Pointer(b.button)),
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"clicked",
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C.GCallback(C.buttonClicked),
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C.gpointer(unsafe.Pointer(b)))
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return b
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}
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func (b *button) OnClicked(e func()) {
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b.clicked.set(e)
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}
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func (b *button) Text() string {
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return fromgstr(C.gtk_button_get_label(b.button))
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}
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func (b *button) SetText(text string) {
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ctext := togstr(text)
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defer freegstr(ctext)
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C.gtk_button_set_label(b.button, ctext)
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}
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//export buttonClicked
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func buttonClicked(bwid *C.GtkButton, data C.gpointer) {
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b := (*button)(unsafe.Pointer(data))
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b.clicked.fire()
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println("button clicked")
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}
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func (b *button) widget() *C.GtkWidget {
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return b._widget
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}
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func (b *button) setParent(p *controlParent) {
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basesetParent(b, p)
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}
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func (b *button) allocate(x int, y int, width int, height int, d *sizing) []*allocation {
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return baseallocate(b, x, y, width, height, d)
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}
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func (b *button) preferredSize(d *sizing) (width, height int) {
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return basepreferredSize(b, d)
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}
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func (b *button) commitResize(a *allocation, d *sizing) {
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basecommitResize(b, a, d)
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}
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func (b *button) getAuxResizeInfo(d *sizing) {
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basegetAuxResizeInfo(b, d)
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}
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