125 lines
2.3 KiB
Go
125 lines
2.3 KiB
Go
// 16 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 "objc_darwin.h"
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import "C"
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type widgetbase struct {
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id C.id
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}
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func newWidget(id C.id) *widgetbase {
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return &widgetbase{
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id: id,
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}
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}
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// these few methods are embedded by all the various Controls since they all will do the same thing
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func (w *widgetbase) setParent(parent C.id) {
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// redrawing the new window handled by C.parent()
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C.parent(w.id, parent)
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}
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func (w *widgetbase) containerShow() {
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C.controlSetHidden(w.id, C.NO)
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}
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func (w *widgetbase) containerHide() {
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C.controlSetHidden(w.id, C.YES)
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}
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type button struct {
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*widgetbase
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clicked *event
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}
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func finishNewButton(id C.id, text string) *button {
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ctext := C.CString(text)
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defer C.free(unsafe.Pointer(ctext))
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b := &button{
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widgetbase: newWidget(id),
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clicked: newEvent(),
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}
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C.buttonSetText(b.id, ctext)
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C.buttonSetDelegate(b.id, unsafe.Pointer(b))
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return b
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}
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func newButton(text string) *button {
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return finishNewButton(C.newButton(), text)
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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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//export buttonClicked
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func buttonClicked(xb unsafe.Pointer) {
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b := (*button)(unsafe.Pointer(xb))
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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) Text() string {
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return C.GoString(C.buttonText(b.id))
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}
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func (b *button) SetText(text string) {
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ctext := C.CString(text)
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defer C.free(unsafe.Pointer(ctext))
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C.buttonSetText(b.id, ctext)
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}
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type checkbox struct {
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*button
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}
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func newCheckbox(text string) *checkbox {
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return &checkbox{
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button: finishNewButton(C.newCheckbox(), text),
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}
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}
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// we don't need to define our own event here; we can just reuse Button's
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// (it's all target-action anyway)
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func (c *checkbox) Checked() bool {
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return fromBOOL(C.checkboxChecked(c.id))
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}
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func (c *checkbox) SetChecked(checked bool) {
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C.checkboxSetChecked(c.id, toBOOL(checked))
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}
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type textField struct {
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*widgetbase
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}
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func newTextField() *textField {
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return &textField{
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widgetbase: newWidget(C.newTextField()),
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}
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}
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func newPasswordField() *textField {
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return &textField{
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widgetbase: newWidget(C.newPasswordField()),
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}
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}
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func (t *textField) Text() string {
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return C.GoString(C.textFieldText(t.id))
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}
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func (t *textField) SetText(text string) {
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ctext := C.CString(text)
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defer C.free(unsafe.Pointer(ctext))
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C.textFieldSetText(t.id, ctext)
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}
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