SysMonthCal32: no keyboard navigation ?

[R.Wieser]

Hello All,

I've got a SysMonthCal32 component on a dialog, and can tab to it
(WS_TABSTOP) using the keyboard. The problem is that although it accepts
focus I can't, using the keyboard, seem to navigate to any of its
sub-components / change anything.

My question: what do I need, using XP sp3, to enable keyboard control within
that component.

Regards,
Rudy Wieser

[JJ]

The keyboard navigation controls are predefined as described in "About Date
and Time Picker Controls" MSDN article.

[R.Wieser]

JJ,

Alas, although the article tells me, in the list under the second image,
that a function key will drop down a calendar control, it does not say
anything about which keys are valid/to be used in it.

On a hunch I just pressed the, also in that list mentioned, PGUp, PGDown,
End and Home keys. They moved to the next/previous year and end/begin of
the selected month repectivily.

Ok, those are found. Now how do I move to a next or previous day ? The
cursor keys just move the focus away from the SysMonthCal32 control. :-\

Regards,
Rudy Wieser


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[R.Wieser]

"They moved to the next/previous year"

That should have been "next/previous *month* ofcourse.

It also made me realize that I also miss keys to change the year/get the
year up/down control to popup (click the year at the top-center)

[JJ]

On Fri, 26 Apr 2013 10:35:21 +0200, R.Wieser wrote:
> Alas, although the article tells me, in the list under the second image,
> that a function key will drop down a calendar control, it does not say
> anything about which keys are valid/to be used in it.
>
> On a hunch I just pressed the, also in that list mentioned, PGUp, PGDown,
> End and Home keys. They moved to the next/previous year and end/begin of
> the selected month repectivily.
>
> Ok, those are found. Now how do I move to a next or previous day ? The
> cursor keys just move the focus away from the SysMonthCal32 control. :-\

You're right, the article doesn't mention all of the details. -_-

The arrow keys are indeed used to change the date selection. My hunch tells
me, that the GUI framework you're using, whatever it is, is interfering the
control input. I checked with Delphi (a Win32 Date-Time Picker; not .NET
one) and it works fine in a window with a date-time-picker and a utton
controls. When the date-time-picker's calender selector is pulled down, the
arrow keys doesn't move the focus out from it and onto the button control.
Even TAB / SHIFT+TAB keys don't change the focus.

Here are the keyboard shortcuts that I know:

LEFT = select previous value (from edit box)
RIGHT = select previous value (from edit box)
MINUS / DOWN = decrease value (from edit box)
PLUS / UP = decrease value (from edit box)

F4 / ALT+DOWN = pull down the calendar (from edit box)
ENTER / ALT+UP = pull up the calender. use selection (from calendar)
ESCAPE = pull up the calendar. don't use selection (from calendar)

ARROW KEYS = move date selection (from calendar)
PAGEUP = select previous month (from calendar)
PAGEDOWN = select next month (from calendar)
CTRL+PAGEUP = select previous year (from calendar)
CTRL+PAGEDOWN = select next year (from calendar)

[R.Wieser]

JJ,

> My hunch tells me, that the GUI framework you're using,
> whatever it is, is interfering the control input.

I've just placed a single SysMonthCal32 control in a dialog (and nothing
else), but it still refused to listen to the cursor keys ...

Could you look (when in the program) at what which GWL_STYLE and GWL_EXSTYLE
bits your control has ?

*My* hunch is that I just have not included the right setting (settings your
programming-environment perhaps adds by default) :-\ :-)

Mind you, I'm talking about the SysMonthCal32 control, not the
SysDateTimePick32 one.

Regards,
Rudy Wieser


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[JJ]

On Sun, 28 Apr 2013 09:45:56 +0200, R.Wieser wrote:
> Mind you, I'm talking about the SysMonthCal32 control, not the
> SysDateTimePick32 one.

My brain fails me sometimes. Sorry.

> I've just placed a single SysMonthCal32 control in a dialog (and nothing
> else), but it still refused to listen to the cursor keys ...

Now I know what you meant.

Surprisingly, the CTRL+ALT must be held in order to make the arrow key to
work. And irritatingly, the MSDN (at least in MSDN from VS2008) doesn't
mention anything about this.

[R.Wieser]

JJ,

> My brain fails me sometimes. Sorry.

Well, mine does the same, so I know how you feel. :-\

> Surprisingly, the CTRL+ALT must be held in order to make
> the arrow key to work.

Alas, it does not seem to want to function for me (XP sp3). I tried several
ctrl, alt and shift combinations with both the normal and the numeric-pad
cursor-keys, but no next/previous day change result. :-(

Oh well, if everything fails I could always try to subclass the control and
let it respond to simple cursor-key presses -- I'm not going to assume a
run-of-the-mill user (or even myself in a couple of months) will
know(/remember) about that "secret" CTRL+ALT is needed to make the
cursorkeys work.

Regards,
Rudy Wieser


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[R.Wieser]

[Quote myself]

> Oh well, if everything fails I could always try to subclass the
> control and let it respond to simple cursor-key presses

And that is what I did. After capturing the WM_GETDLGCODE message and
returning the DLGC_WANTARROWS status on any of the cursor-keys VK_ codes I
could navigate to previous/next days as well as weeks.

Regards,
Rudy Wieser

P.s.
I found a SysMonthCal32 description mentioning that the Vista control
(comctl32 v6.0 and above) behaves a bit different than the ones before it.
No mentioning on *how* though :-\

P.p.s.
I googled the problem once again, and found a post of mine about the same
.... from 2003 ! :-)
http://groups.google.com/group/microsoft.public.vb.winapi/browse_thread/thre
ad/42b15d2a2cc039ba


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[JJ]

On Tue, 30 Apr 2013 20:26:50 +0200, R.Wieser wrote:
> I found a SysMonthCal32 description mentioning that the Vista control
> (comctl32 v6.0 and above) behaves a bit different than the ones before it.
> No mentioning on *how* though :-\

That's why I didn't mention about it as a possible solution. -_-

> I googled the problem once again, and found a post of mine about the same
> .... from 2003 ! :-)
> http://groups.google.com/group/microsoft.public.vb.winapi/browse_thread/thre
> ad/42b15d2a2cc039ba

No d�j� vu? :)

[R.Wieser]

JJ,

> No d�j� vu? :)

Alas, no. It seems that that post did not get an answer either. :-\

Regards,
Rudy Wieser


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