100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
// 22 may 2015
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#include "uipriv_windows.h"
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// TODO does the control update builtin date and time formats with a locale change?
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struct datetimepicker {
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uiDateTimePicker d;
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HWND hwnd;
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};
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uiDefineControlType(uiDateTimePicker, uiTypeDateTimePicker, struct datetimepicker)
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static uintptr_t datetimepickerHandle(uiControl *c)
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{
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struct datetimepicker *d = (struct datetimepicker *) c;
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return (uintptr_t) (d->hwnd);
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}
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// TODO
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// TODO DTM_GETIDEALSIZE results in something too big
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// from http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
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#define entryWidth 107 /* this is actually the shorter progress bar width, but Microsoft only indicates as wide as necessary */
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#define entryHeight 14
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static void datetimepickerPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
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{
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*width = uiWindowsDlgUnitsToX(entryWidth, d->Sys->BaseX);
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*height = uiWindowsDlgUnitsToY(entryHeight, d->Sys->BaseY);
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}
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uiDateTimePicker *finishNewDateTimePicker(DWORD style, WCHAR *format)
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{
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struct datetimepicker *d;
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d = (struct datetimepicker *) uiWindowsNewSingleHWNDControl(uiTypeDateTimePicker());
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d->hwnd = uiWindowsUtilCreateControlHWND(0, // TODO client edge?
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DATETIMEPICK_CLASSW, L"",
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style | WS_TABSTOP,
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hInstance, NULL,
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TRUE);
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if (format != NULL)
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if (SendMessageW(d->hwnd, DTM_SETFORMAT, 0, (LPARAM) format) == 0)
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logLastError("error applying format string to date/time picker in finishNewDateTimePicker()");
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uiControl(d)->Handle = datetimepickerHandle;
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uiControl(d)->PreferredSize = datetimepickerPreferredSize;
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return uiDateTimePicker(d);
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}
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#define GLI(what, buf, n) GetLocaleInfoEx(LOCALE_NAME_USER_DEFAULT, what, buf, n)
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// Windows has no combined date/time prebuilt constant; we have to build the format string ourselves
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uiDateTimePicker *uiNewDateTimePicker(void)
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{
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WCHAR *date, *time, *datetime;
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int ndate, ntime;
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int n;
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uiDateTimePicker *dtp;
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// TODO verify that this always returns a century year
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ndate = GLI(LOCALE_SSHORTDATE, NULL, 0);
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if (ndate == 0)
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logLastError("error getting date string length in uiNewDateTimePicker()");
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date = (WCHAR *) uiAlloc(ndate * sizeof (WCHAR), "WCHAR[]");
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if (GLI(LOCALE_SSHORTDATE, date, ndate) == 0)
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logLastError("error geting date string in uiNewDateTimePicker()");
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ntime = GLI(LOCALE_STIMEFORMAT, NULL, 0);
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if (ndate == 0)
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logLastError("error getting time string length in uiNewDateTimePicker()");
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time = (WCHAR *) uiAlloc(ntime * sizeof (WCHAR), "WCHAR[]");
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if (GLI(LOCALE_STIMEFORMAT, time, ntime) == 0)
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logLastError("error geting time string in uiNewDateTimePicker()");
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n = _scwprintf(L"%s %s", date, time);
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datetime = (WCHAR *) uiAlloc((n + 1) * sizeof (WCHAR), "WCHAR[]");
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snwprintf(datetime, n + 1, L"%s %s", date, time);
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dtp = finishNewDateTimePicker(0, datetime);
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uiFree(datetime);
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uiFree(time);
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uiFree(date);
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return dtp;
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}
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uiDateTimePicker *uiNewDatePicker(void)
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{
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return finishNewDateTimePicker(DTS_SHORTDATECENTURYFORMAT, NULL);
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}
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uiDateTimePicker *uiNewTimePicker(void)
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{
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return finishNewDateTimePicker(DTS_TIMEFORMAT, NULL);
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}
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