First Commit

libui-ng/examples/datetime/main.c

@@ -0,0 +1,128 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include "../../ui.h"
+
+uiDateTimePicker *dtboth, *dtdate, *dttime;
+
+const char *timeFormat(uiDateTimePicker *d)
+{
+	const char *fmt;
+
+	if (d == dtboth)
+		fmt = "%c";
+	else if (d == dtdate)
+		fmt = "%x";
+	else if (d == dttime)
+		fmt = "%X";
+	else
+		fmt = "";
+	return fmt;
+}
+
+void onChanged(uiDateTimePicker *d, void *data)
+{
+	struct tm time;
+	char buf[64];
+
+	uiDateTimePickerTime(d, &time);
+	strftime(buf, sizeof (buf), timeFormat(d), &time);
+	uiLabelSetText(uiLabel(data), buf);
+}
+
+void onClicked(uiButton *b, void *data)
+{
+	intptr_t now;
+	time_t t;
+	struct tm tmbuf;
+
+	now = (intptr_t) data;
+	t = 0;
+	if (now)
+		t = time(NULL);
+	tmbuf = *localtime(&t);
+
+	if (now) {
+		uiDateTimePickerSetTime(dtdate, &tmbuf);
+		uiDateTimePickerSetTime(dttime, &tmbuf);
+	} else
+		uiDateTimePickerSetTime(dtboth, &tmbuf);
+}
+
+int onClosing(uiWindow *w, void *data)
+{
+	uiQuit();
+	return 1;
+}
+
+int main(void)
+{
+	uiInitOptions o;
+	const char *err;
+	uiWindow *w;
+	uiGrid *g;
+	uiLabel *l;
+	uiButton *b;
+
+	memset(&o, 0, sizeof (uiInitOptions));
+	err = uiInit(&o);
+	if (err != NULL) {
+		fprintf(stderr, "error initializing ui: %s\n", err);
+		uiFreeInitError(err);
+		return 1;
+	}
+
+	w = uiNewWindow("Date / Time", 320, 240, 0);
+	uiWindowSetMargined(w, 1);
+
+	g = uiNewGrid();
+	uiGridSetPadded(g, 1);
+	uiWindowSetChild(w, uiControl(g));
+
+	dtboth = uiNewDateTimePicker();
+	dtdate = uiNewDatePicker();
+	dttime = uiNewTimePicker();
+
+	uiGridAppend(g, uiControl(dtboth),
+		0, 0, 2, 1,
+		1, uiAlignFill, 0, uiAlignFill);
+	uiGridAppend(g, uiControl(dtdate),
+		0, 1, 1, 1,
+		1, uiAlignFill, 0, uiAlignFill);
+	uiGridAppend(g, uiControl(dttime),
+		1, 1, 1, 1,
+		1, uiAlignFill, 0, uiAlignFill);
+
+	l = uiNewLabel("");
+	uiGridAppend(g, uiControl(l),
+		0, 2, 2, 1,
+		1, uiAlignCenter, 0, uiAlignFill);
+	uiDateTimePickerOnChanged(dtboth, onChanged, l);
+	l = uiNewLabel("");
+	uiGridAppend(g, uiControl(l),
+		0, 3, 1, 1,
+		1, uiAlignCenter, 0, uiAlignFill);
+	uiDateTimePickerOnChanged(dtdate, onChanged, l);
+	l = uiNewLabel("");
+	uiGridAppend(g, uiControl(l),
+		1, 3, 1, 1,
+		1, uiAlignCenter, 0, uiAlignFill);
+	uiDateTimePickerOnChanged(dttime, onChanged, l);
+
+	b = uiNewButton("Now");
+	uiButtonOnClicked(b, onClicked, (void *) 1);
+	uiGridAppend(g, uiControl(b),
+		0, 4, 1, 1,
+		1, uiAlignFill, 1, uiAlignEnd);
+	b = uiNewButton("Unix epoch");
+	uiButtonOnClicked(b, onClicked, (void *) 0);
+	uiGridAppend(g, uiControl(b),
+		1, 4, 1, 1,
+		1, uiAlignFill, 1, uiAlignEnd);
+
+	uiWindowOnClosing(w, onClosing, NULL);
+	uiControlShow(uiControl(w));
+	uiMain();
+	return 0;
+}