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-rw-r--r--BBB_GOFILES/datetimepicker.go107
1 files changed, 107 insertions, 0 deletions
diff --git a/BBB_GOFILES/datetimepicker.go b/BBB_GOFILES/datetimepicker.go
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+++ b/BBB_GOFILES/datetimepicker.go
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+// 12 december 2015
+
+package ui
+
+import (
+ "time"
+ "unsafe"
+)
+
+// #include <stdlib.h>
+// #include <time.h>
+// #include "ui.h"
+// #include "util.h"
+// static inline struct tm *allocTimeStruct(void)
+// {
+// return (struct tm *) pkguiAlloc(sizeof (struct tm));
+// }
+// extern void doDateTimePickerOnChanged(uiDateTimePicker *, void *);
+// // see golang/go#19835
+// typedef void (*dtpCallback)(uiDateTimePicker *, void *);
+import "C"
+
+// DateTimePicker is a Control that represents a field where the user
+// can enter a date and/or a time.
+type DateTimePicker struct {
+ ControlBase
+ d *C.uiDateTimePicker
+ onChanged func(*DateTimePicker)
+}
+
+func finishNewDateTimePicker(dd *C.uiDateTimePicker) *DateTimePicker {
+ d := new(DateTimePicker)
+
+ d.d = dd
+
+ C.uiDateTimePickerOnChanged(d.d, C.dtpCallback(C.doDateTimePickerOnChanged), nil)
+
+ d.ControlBase = NewControlBase(d, uintptr(unsafe.Pointer(d.d)))
+ return d
+}
+
+// NewDateTimePicker creates a new DateTimePicker that shows
+// both a date and a time.
+func NewDateTimePicker() *DateTimePicker {
+ return finishNewDateTimePicker(C.uiNewDateTimePicker())
+}
+
+// NewDatePicker creates a new DateTimePicker that shows
+// only a date.
+func NewDatePicker() *DateTimePicker {
+ return finishNewDateTimePicker(C.uiNewDatePicker())
+}
+
+// NewTimePicker creates a new DateTimePicker that shows
+// only a time.
+func NewTimePicker() *DateTimePicker {
+ return finishNewDateTimePicker(C.uiNewTimePicker())
+}
+
+// Time returns the time stored in the uiDateTimePicker.
+// The time is assumed to be local time.
+func (d *DateTimePicker) Time() time.Time {
+ tm := C.allocTimeStruct()
+ defer C.free(unsafe.Pointer(tm))
+ C.uiDateTimePickerTime(d.d, tm)
+ return time.Date(
+ int(tm.tm_year + 1900),
+ time.Month(tm.tm_mon + 1),
+ int(tm.tm_mday),
+ int(tm.tm_hour),
+ int(tm.tm_min),
+ int(tm.tm_sec),
+ 0, time.Local)
+}
+
+// SetTime sets the time in the DateTimePicker to t.
+// t's components are read as-is via t.Date() and t.Clock();
+// no time zone manipulations are done.
+func (d *DateTimePicker) SetTime(t time.Time) {
+ tm := C.allocTimeStruct()
+ defer C.free(unsafe.Pointer(tm))
+ year, mon, mday := t.Date()
+ tm.tm_year = C.int(year - 1900)
+ tm.tm_mon = C.int(mon - 1)
+ tm.tm_mday = C.int(mday)
+ hour, min, sec := t.Clock()
+ tm.tm_hour = C.int(hour)
+ tm.tm_min = C.int(min)
+ tm.tm_sec = C.int(sec)
+ tm.tm_isdst = -1
+ C.uiDateTimePickerSetTime(d.d, tm)
+}
+
+// OnChanged registers f to be run when the user changes the time
+// in the DateTimePicker. Only one function can be registered at a
+// time.
+func (d *DateTimePicker) OnChanged(f func(*DateTimePicker)) {
+ d.onChanged = f
+}
+
+//export doDateTimePickerOnChanged
+func doDateTimePickerOnChanged(dd *C.uiDateTimePicker, data unsafe.Pointer) {
+ d := ControlFromLibui(uintptr(unsafe.Pointer(dd))).(*DateTimePicker)
+ if d.onChanged != nil {
+ d.onChanged(d)
+ }
+}