Re: CButton disable/focus conundrum - C / C++ / MFC Discussion Boards

Re: Please enter the path for vc60.pdb??

David Crow9-Aug-05 7:44

9-Aug-05 7:44

valerie99 wrote:
I don't know what I should do.

How about entering the path to the vc60.pdb file? Most likely this is in the project's Debug folder.

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

Re: Please enter the path for vc60.pdb??

valerie999-Aug-05 7:57

valerie99

9-Aug-05 7:57

Thanks for the quick reply. I entered the one in the project's debug folder, it says "a file with correct name was found in this directory, but it is not the currect one"

I was running this application last week, it never happened like this, not sure what's going on......

thanks again!

Re: Please enter the path for vc60.pdb??

David Crow9-Aug-05 8:00

David Crow

9-Aug-05 8:00

I would suggest rebuilding the entire project. This will generate a new .pdb file.

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

Re: Please enter the path for vc60.pdb??

valerie999-Aug-05 8:11

valerie99

9-Aug-05 8:11

thank you so much!!! it works.

Problem with bitmaps in XP

djr_apd9-Aug-05 6:17

djr_apd

9-Aug-05 6:17

This code to create bitmaps for the two states of a button works well under Windows 2000 but under Windows XP I get blank light brown buttons. Could anyone please help me with this problem. (Compiled under VC++ 6.0)

void CMyButton::SetText(CString str)
{
int x=0;
int y=0;

BITMAPINFOHEADER bi;
BITMAPINFOHEADER* lpbi;
HBITMAP hBitmap;
HDC hDC, hMemDC;
HANDLE hDIB;
bi.biSize = sizeof(BITMAPINFOHEADER);
bi.biWidth = 75;
bi.biHeight = 20;
bi.biPlanes = 1;
bi.biBitCount = 24;
bi.biCompression = BI_RGB;
bi.biSizeImage = 75*20*3;
bi.biXPelsPerMeter = 0;
bi.biYPelsPerMeter = 0;
bi.biClrUsed = 0;
bi.biClrImportant = 0;
hDC = ::GetDC(m_hWnd);
hBitmap = CreateDIBitmap(hDC, &bi, 0L, NULL, NULL, 0);
hDIB = GlobalAlloc(GHND, sizeof(BITMAPINFOHEADER)+
16 * sizeof(RGBQUAD));
lpbi = (BITMAPINFOHEADER*)GlobalLock(hDIB);
*lpbi = bi;
GetDIBits(hDC, hBitmap, 0, 19, NULL, (LPBITMAPINFO)lpbi,
DIB_RGB_COLORS);
GlobalUnlock(hDIB);

hMemDC = CreateCompatibleDC(hDC);
SelectObject(hMemDC, hBitmap);
CBrush brush1,brush2;
brush1.CreateSolidBrush(RGB(200,200,200));
brush2.CreateSolidBrush(RGB(0,0,255));
SelectObject(hMemDC, (HBRUSH)brush1);

Rectangle(hMemDC,0,0,100,20);
SetBkColor(hMemDC,RGB(200,200,200));
SetTextColor(hMemDC,RGB(0,0,0));

CFont font;
font.CreatePointFont(97,"arial bold");
SelectObject(hMemDC, (HFONT)font);

int n=str.GetLength();
if(n>=12) x=2;
else if(n==9) x=4;
else x=(14-n)*2;

y=2;

TextOut(hMemDC, x, y,str.GetBuffer(0),str.GetLength());
int w= 75*3;
char bits1[20*75*3];
char bits2[20*75*3];

GetDIBits(hDC, hBitmap, 0, 19, bits1, (LPBITMAPINFO)lpbi,
DIB_RGB_COLORS);
for(int i=1;i<20;i++)
{
memcpy(&bits2[i*w-56],&bits1[(19-i)*w],w);
}
m_bmp1.SetBitmapBits(20*74*3,&bits2[0]);

SelectObject(hMemDC, (HBRUSH)brush2);
Rectangle(hMemDC,0,0,100,20);
SetBkColor(hMemDC,RGB(0,0,255));
SetTextColor(hMemDC,RGB(0,0,0));
TextOut(hMemDC, x, y,str.GetBuffer(0),str.GetLength());
GetDIBits(hDC, hBitmap, 0, 19, bits1, (LPBITMAPINFO)lpbi,
DIB_RGB_COLORS);
for(i=1;i<20;i++)
{
memcpy(&bits2[i*w-56],&bits1[(19-i)*w],w);
}
m_bmp2.SetBitmapBits(20*74*3,&bits2[0]);

font.DeleteObject();
brush1.DeleteObject();
brush2.DeleteObject();
DeleteDC(hMemDC);
GlobalFree(hDIB);
::ReleaseDC(m_hWnd, hDC);

}

Thanks for you help Smile | :)

CButton disable/focus conundrum

23_4449-Aug-05 6:09

23_444

9-Aug-05 6:09

I have two buttons on a form "Save" and "New". "New" is disabled. "Save" is enabled. When I click or press "Save" I want to enable "New", set the focus to it and then disable "Save"

OnSave(){
m_Save.EnableWindow(FALSE);
m_New.EnableWindow(TRUE);
m_New.SetFocus();
}

The problem is (tell me if I'm wrong) that the focus is still with the "Save" button until the function is over. So I get the focus rectangle to the "New" button but it doesn't function like it has the focus i.e. it is inoperable unless clicked (doesn't respond to a "enter key press"

So I then did the CCmdUI update processing (responds to flag) that would detect the proper flag and set the buttons state accordingly. It does do that but the focus is still trapped. The idle status processing must occur after the focus is set on the disabled button.

OnSave()
{
ModeStatus=PRISTINE;
//CmdUI will then set the state of the buttons accordingly

m_New.SetFocus();
}

I want to get the focus to the "New button so user doesn't have to take their hands off the keyboard to activate (i.e. the focus is on the proper button and they press the "enter" key).

Seems like I'm missing something simple. Any help would be appreciated.

Re: CButton disable/focus conundrum

Ravi Bhavnani9-Aug-05 6:54

Ravi Bhavnani

9-Aug-05 6:54

Try hiding and (re)showing m_Save. (This is a guess Frown | :(

.

/ravi

My new year's resolution: 2048 x 1536
Home | Music | Articles | Freeware | Trips
ravib(at)ravib(dot)com

Re: CButton disable/focus conundrum

Blake Miller9-Aug-05 7:29

Blake Miller

9-Aug-05 7:29

Typically, I enable and set focus to the OTHER window before disabling the 'current' window, and that has worked for me.
In your case, try this, it might work fine (just rearrange the order):

OnSave(){<br />
m_New.EnableWindow(TRUE);<br />
// after window is already enabled<br />
m_New.SetFocus();<br />
// after focus has been reset<br />
m_Save.EnableWindow(FALSE);<br />
}

Re: CButton disable/focus conundrum

23_4449-Aug-05 7:33

23_444

9-Aug-05 7:33

Thanks for the replies.

I thought the same thing too Blake. But it doesn't work. I'm guessing it is because the focus shifts back to the disabled window because the function is completing in the disabled window.

I would have bet the CmdUI was the ticket but apparently not.

Re: CButton disable/focus conundrum

David Crow9-Aug-05 8:15

David Crow

9-Aug-05 8:15

This is a default button issue rather than a focus issue. You need to call SetDefID() at the end of OnSave() to make the New button the default.

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

Re: CButton disable/focus conundrum

23_4449-Aug-05 8:23

23_444

9-Aug-05 8:23

David, I think you may have hit on something here. SetDefID is a CDialog function and I am using a CFormView derived class. There must be a similar way for CFormViews.

Re: CButton disable/focus conundrum

David Crow9-Aug-05 8:28

David Crow

9-Aug-05 8:28

mx483 wrote:
There must be a similar way for CFormViews

Just send it a DM_SETDEFID message.

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

Re: CButton disable/focus conundrum

23_4449-Aug-05 8:55

23_444

9-Aug-05 8:55

I revisited this. Regardless of whether a default button is set, any button will generate a command event by pressing the enter key IF it has the focus. I'm not trying to get default behavior regardless of what control has the focus but merely put the focus to a button from a button that is going night night.

SendMessage(DM_SETDEFID,IDC_NEW); idea was a good one and I appreciate your email.

I think I might try this. Setting the focus to the control of choice..NEW from the SAVE and once the control gets the focus (i.e. I'm out of the SAVE button code) then have the NEW button onfocus disable the SAVE. I notice though that there is not an onfocus event for the CButton.

Re: CButton disable/focus conundrum

23_44410-Aug-05 7:46

23_444

10-Aug-05 7:46

David,

I think you were right. I got it to work. Thanks for pointing me in the right direction. I didn't realize it was a default property thing.
I erroneously assumed that things that have the focus automatically should have the default property as well. What was confusing me was..

The fact that you can set a default property to a button but it changes to the next button you tab to.

I thought once you set the default button it was the defacto default button throughout. Not so.

Why I had the problem.
When I disabled a button I trapped the default button property in the disabled button until the user tabbed to another button. Then the default and focus rectangle would agree.

I guess my next question is why would the default property change when you tab to another button. Default button must just mean the starting point for this behavior until you tab to another button.

Thanks for the great help.

Re: CButton disable/focus conundrum

Blake Miller12-Aug-05 5:07

Blake Miller

12-Aug-05 5:07

This can get weird fast with the command buttons.
If you make a group of command buttons, you can change the focus with the arrow keys, but I am pretty sure the default button is only changed with the TAB key. The SpaceBar will activate the button that has the focus, but the ENTER key will activate the button that is the default button.

unwanted character on stringstream

gecool9-Aug-05 4:36

gecool

9-Aug-05 4:36

Hello everyone. I know it is a message board for VC++, but I haven't found one for "plain" C++ here (under linux, i.e.). The following code sequence produces an "A" on stdout, and I cannot figure it out why. PLEASE help !

stringstream os;
string buf;
os.str("");
buf=os.str();
cout << buf << flush;

Re: unwanted character on stringstream

toxcct9-Aug-05 5:51

toxcct

9-Aug-05 5:51

why do you pass thru a StringStream ?

couldn't you just do :

cout << string("") << flush;

or at least :

String buf = "";
cout << but << flush;

what happens if you move the flush outside the line ? (calling cout.flush() after)...?

TOXCCT >>> GEII power
[toxcct][VisualCalc]

Re: unwanted character on stringstream

gecool9-Aug-05 20:26

gecool

9-Aug-05 20:26

The whole idea is that I know how to output an empty string Wink | ;-)

, but in a piece of code where I am using streams, that unwanted character "A", keep showing up grrrrrr, and I would like to figure out why. If I remove the flush, same thing happens.

Re: unwanted character on stringstream

Eytukan9-Aug-05 6:02

Eytukan

9-Aug-05 6:02

gecool wrote:
but I haven't found one for "plain" C++ here

Click Here..
http://www.codeproject.com/script/comments/forums.asp?forumid=3785&df=100[^]

Regards,
V

TASPI?

Eytukan9-Aug-05 3:39

Eytukan

9-Aug-05 3:39

i'm querying the Switch(PBX) for Bulk no of telephones for its states (on call,idle etc).. its working fine but the volume does the problem..its takes almost 10 seconds to contact the Tserver which in turn'd retrieve data(states) from the PBX and returns back to the client..so at the time i get the data.. its not valid..(not Real Time Frown | :(

.. how to over come this? actully i'm using QueryAgentState.. request to the Tsrvr. should i use cstaMonitorDevice?.. any idea? any TSAPI here..?

V

TSAPI?

Eytukan9-Aug-05 5:44

Eytukan

9-Aug-05 5:44

Oops its TSAPI!!

V

Re: TSAPI?

16-Aug-05 4:00

mail project in vc++ (the connection can't be established)

yasbakr9-Aug-05 2:20

yasbakr

9-Aug-05 2:20

i'm trying to open a connection with any mail server at port 25 (for example: yahoo.com ) and the program reach the function connect() and then it wait and there is no response from the server .

i tried the smtp classes in this site but the same problem repeated itself.

i tried to connect to the mail server using java and the connection succeed .
please i need help .

Re: mail project in vc++ (the connection can't be established)

Jose Lamas Rios9-Aug-05 5:16

Jose Lamas Rios

9-Aug-05 5:16

Post some code...

--
jlr
http://jlamas.blogspot.com/[^]

Re: mail project in vc++ (the connection can't be established)

ThatsAlok9-Aug-05 19:31

ThatsAlok

9-Aug-05 19:31

yasbakr wrote:
i'm trying to open a connection with any mail server at port 25 (for example: yahoo.com ) and the program reach the function connect() and then it wait and there is no response from the server .

Check Sourcecode of this article :-
SMTP[^]

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV

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