C / C++ / MFC

18-Oct-05 1:13

Hi!

How can i create a window that just hangs around without ever getting focus/becoming active.. yet let the user interact with it through mouseclicks? Smile | :)

I want a window that is open, on top of the screen, that does not break the focus on currently focused application. That is, if i have a webpage open such as this.. and i'm writing in a textbox, i can press a button (to change mixer volume for example) and keep writing without having to click in the form.

Hope it's possible! Would sure open a lot of doors for me!

Thanks for reading! Big Grin | :-D

Trollslayer18-Oct-05 1:23

Trollslayer

18-Oct-05 1:23

The moment you click on it the window will get focus, I don't see how you can avoid this unless you return focus to the previous window at the end of each event.

Elaine Rose | [Rose]

The tigress is here Big Grin | :-D

Anonymous18-Oct-05 1:45

18-Oct-05 1:45

Well, I have seen this behaviour in a few applications (mainly professional on-screen keyboards). If you fire up the virtual keyboard that ships with windows xp you will see what i mean. it does not get focus when you click on it's buttons! if you click the titlebar however, it does.. but gives it back to the application that previously had focus whenever you hover the buttons on it. I want to remove all decorations and display only buttons that act just that way (i know how to change focus back to previous window, but that's not what i want).

Thanks! Smile | :)

Rage18-Oct-05 1:56

Rage

18-Oct-05 1:56

As Elaine said, the only way to achieve that is to give the focus back to the window that lost it immediately after getting it in your app.

Intercept WM_SETFOCUS, the wParam is the handle of the window that just lost the focus (Win32 version) or in the CWnd::OnSetFocus method, you get a pointer on the unfocused window CWnd *pOldWnd(MFC).

Then use SetFocus in your turn with this handle (pointer) to yield the focus back to the window that lost it.

~RaGE();

Anonymous18-Oct-05 2:21

18-Oct-05 2:21

would intercepting WM_SETFOCUS be any different from calling SetActiveWindow(NULL) within the procedure of the button click?

I tried this:

<br />
LPDWORD pid, hpid;<br />
GetWindowThreadProcessId((HWND)wParam, pid);<br />
GetWindowThreadProcessId(hwnd, hpid);<br />
<br />
AttachThreadInput((DWORD)pid, (DWORD)hpid, TRUE);<br />
SetFocus((HWND)wParam);<br />
//SetForegroundWindow((HWND)wParam);<br />
AttachThreadInput((DWORD)pid, (DWORD)hpid, FALSE);<br />

with no success (it does not move focus).

Anonymous18-Oct-05 2:28

18-Oct-05 2:28

<br />
        case WM_SETFOCUS:<br />
	{<br />
		LPDWORD pid, hpid;<br />
		GetWindowThreadProcessId((HWND)wParam, pid);<br />
		GetWindowThreadProcessId(hwnd, hpid);<br />
		<br />
		AttachThreadInput((DWORD)pid, (DWORD)hpid, TRUE);<br />
		SetActiveWindow((HWND)wParam);<br />
		SetFocus((HWND)wParam);<br />
		SetForegroundWindow((HWND)wParam);<br />
		AttachThreadInput((DWORD)pid, (DWORD)hpid, FALSE);<br />
		printf("Focus changed %d", wParam);<br />
	}<br />
	break;<br />

seems to retain the focus on the app as long as i do not doubleclick on my panel.. button procedure is not caught though.

Anonymous18-Oct-05 2:55

Problem in using ADO in VC dlls

18-Oct-05 2:55

this does not work with Firefox. If i am editing in the location bar and press the volume button.. the whole url in the locationbar gets selected.. which means that i will overwrite whatever was previously written if i type something on my keyboard (unlike if i use the windows virtual keyboard).

snprani18-Oct-05 1:02

snprani

18-Oct-05 1:02

Hi

I am using VC++ Dlls. I want to use ADO to get information from the Database. When i am trying to import the ado dll in my dll application it is giving errors like enum is redefined.

if i am declaring the same statement in Exe it is not showing any errors why? I am giving the import statement in this way.

#import "c:\program files\common files\system\ado\msado15.dll" no_namespace rename("EOF", "adoEOF")

I have checked for the availability of that dll in the specified path.it is present.

Can anybody help me Its Urgent

Thanks in Advance

Re: Problem in using ADO in VC dlls

John M. Drescher18-Oct-05 3:06

John M. Drescher

18-Oct-05 3:06

That is the correct statement if you have windows on c:. Where did you put this statement? The best place is near the bottom of stdafx.h.

John

GetModuleFileName

swaapu18-Oct-05 0:51

swaapu

18-Oct-05 0:51

Hello everybody!!

I'm having some difficulties using function GetModuleFileName. I don`t want to get the path for the current module. NULL is not serving my purpose.

Instead, I want to get the path of the filename from the edit box on dialog of my application. How to declare handle for this??
Thanx

Re: GetModuleFileName

David Crow18-Oct-05 3:16

David Crow

18-Oct-05 3:16

kind_person wrote:
Instead, I want to get the path of the filename from the edit box on dialog of my application.

Unless the filename in the edit control also has a pathname, you can't. Otherwise, you could use _splitpath() to separate the various components.

"Take only what you need and leave the land as you found it." - Native American Proverb

Subclassing in Visual C++ 7

Tom Moore17-Oct-05 23:39

17-Oct-05 23:39

Hi,

I'm using Visual Studio 2003 and im finding it hard to subclass a control.

In Visual C++ 6, you had to class wizard to do that for you, and it was easy.

However the class wizard is different this time round, and when you click add class, it you cant select the base control from the class list.

I'm just wondering how you go about subclassing in Visual Studio 7.

Thanks Tom

The NULL Developer18-Oct-05 0:13

The NULL Developer

18-Oct-05 0:13

C'mon man! Move ahead...Select MFC Class in the first dialog box and in the next dialog box....
whoa!!! Cool | :cool:

lemme me see u smile now!!!

"Do first things first, and second things not at all."
— Peter Drucker.

Tom Moore18-Oct-05 1:50

18-Oct-05 1:50

The NULL Developer wrote:
C'mon man! Move ahead...Select MFC Class in the first dialog box and in the next dialog box....
whoa!!!
lemme me see u smile now!!!

Okay, ill take you through what i did!

Okay i know what i did wrong now!

I had my Static Picture Box selected, because i want a picture box to draw in,
In Visual Basic 6 (Which i used to program in and sometimes still do Smile | :)

) I use the API GetDC and then SetPixel, DrawCircle, ReleaseDC,etc,etc.
But im moving on to Bigger Things!

Back to the program, I have to select the class first then add it Smile | :)

Thanks again

Tom Moore18-Oct-05 1:59

18-Oct-05 1:59

Okay ive done my subclass, how do i bind it to the static box in my dialog?

Tom

ThatsAlok18-Oct-05 4:48

ThatsAlok

18-Oct-05 4:48

Tom Moore wrote:
Okay ive done my subclass, how do i bind it to the static box in my dialog?

Add Variable for particular Static Control. If you class doesn't appear add variable Wizard the Manully Modify DDX_Control Block for your variable

"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

Tom Moore18-Oct-05 14:41