Mouse sensitivity, mouseptr

[Larry Rudner]

How can I change the mousepointer when the mouse is
over a certain region of my child dialog?

The following works, but only for very gross mouse
movements and then the new pointer usually reverts back
to the default.

Also, is there a way to make the mouse into a html-like hyperlink
hand. The region contains a list of files. Clicks on a file name
shell out to notepad.

Thanks.

  CASE %WM_MOUSEMOVE
          LOCAL ztext AS STRING, x&
          x&=LOWRD(CBLPARAM)
          IF x&>22 AND x&<200 THEN
            MOUSEPTR 10
            zText = "Mouse Position:" + STR$(LOWRD(CBLPARAM)) + ","+STR$(HIWRD(CBLPARAM))
          ELSE
             ztext="Not hot"
             MOUSEPTR 1
          END IF
          SetWindowText hdlg, BYCOPY zText
          FUNCTION = 0
          EXIT FUNCTION

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[Jules Marchildon]

Regarding the Hand cursor, doing it manually by monitoring the position
of the mouse if it falls within your desired Rectangle...

Call SetCursor(LoadCursor(%NULL,ByVal %IDC_HAND))
 
'To restore it, or as soon as you jump out of you Rect into the client area
'it will automatically do it for you anyway...
Call SetCursor(LoadCursor(%NULL,ByVal %IDC_ARROW))

Or you can do it by means of changing the window class cursor.

HTH
Regards,
Jules

[Edwin Knoppert]

The SetCursor() API should be used in the WM_SETCURSOR message...

The reason YOUR MousePtr is removed is because the windowclass get's another (unhandled) WM_SETCURSOR message and then uses the windowclass's cursor handle.
(Forget the VB method(on/off))

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[Cecil Williams]

Larry,

Expanding on what Jules just said:

Assuming this is one of the standard controls, just superclass
the control and change the cursor in the window class structure.

Cheers,
Cecil

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[Jules Marchildon]

larry;

also see this link if it is still valid, or do a topic search...

http://www.powerbasic.com/support/pb...ad.php?t=22523

'message http://www.powerbasic.com/support/pb...ad.php?t=22523
'forum: source code
'topic: pbdll32: a url custom control
'name: dave navarro, member
'date: april 03, 1999 12:37 am

regards,
jules

[Larry Rudner]

What a wonderful community. Thank you everyone. This forum has been
sooo helpful as I learn winapi

I now see that the problem is caused by %SS_NOTIFY CALL CBF_SHOWFILE
at the end of CONTROL ADD LABEL. Without the notify, the mouse
hand and arrow work fine. With the call back function, the WM_MOUSEMOVE
is only occassionally triggered. I need the notify so I can SHELL.

Is there a different style or extended style I should be using? Is there a
call back message for a label I can use?



[This message has been edited by Larry Rudner (edited June 20, 2001).]

[Jules Marchildon]

Larry,

It is difficult to say exactly, do you have a compilable code snippet
I can try? I don't use DDT that often, but if you post your DDT code I
can make some sense of it for you. Static Labels generally don't do much
in the way of notifications, you may need to sublcass it instead and
trap some messages, that's easy enough and I can show you how to do
it if you like.

Regards,
Jules

[Larry Rudner]

Got it. This was hard for me. The goal was to have the cursor change into a hand
when over a list of files. By using SetClassLong I was able to set the cursor to
a hand when the mouse is over the specified control. I solved the
mouse location problem using WM_setCursor, but anchoring the cursor to
the control is a far better solution.

for i=1 to n
 CONTROL ADD LABEL, CBHNDL,  2000+i,  "h:\file"+TRIM$(STR$(i)), 10, 18+12*i, 92, 10, %SS_NOTIFY  CALL cbf_file
 SetClassLong GetDlgItem(CBHNDL, 2000+i), %GCL_HCURSOR, LoadCursor (BYVAL 0&, BYVAL %IDC_HAND)
next i

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[Edwin Knoppert]

> but anchoring the cursor to the control is a far better solution.
Wrong
You changed it for ALL statics now



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