C / C++ / MFC Discussion Boards

Re: want to pass in array info to a CDialog from MDI app

Nitron8-Oct-02 9:39

Nitron

8-Oct-02 9:39

Stick something like:

CMain* pMain = static_cast< CMain* >(AfxGetMainWnd());
for(int i=0; i<10; i++)
 this->dialogFields[i] = pMain->m_fields[i];

in your OnInitDialog...

Nitron
_________________________________________--
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Re: want to pass in array info to a CDialog from MDI app

ns8-Oct-02 9:46

8-Oct-02 9:46

But but but -----this dialog doesnt know anything about the existence of a main or anything. Its off by itself. Do I have to include some .h in the dialog to make it recognise your code?

Appreciate your help,
ns

Re: want to pass in array info to a CDialog from MDI app

Nitron8-Oct-02 9:57

Nitron

8-Oct-02 9:57

Yea,

#include "YourMainViewThatHasThePublicArray.h"

Nitron
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thanks very much

ns8-Oct-02 9:59

8-Oct-02 9:59

I'l try it...

Appreciate your help,
ns

Re: want to pass in array info to a CDialog from MDI app

JT Anderson8-Oct-02 11:50

JT Anderson

8-Oct-02 11:50

Unless I'm missing something here, the implementation you suggested in your original posting seems superior to the implementation that Nitron suggests. In your implementation, the main window class (let's call it CMainFrame) needs to know about CMyDlg, but CMyDlg needs to know nothing about CMainFrame. In Nitron's suggested implementation, CMainFrame needs to know about CMyDlg and CMyDlg needs to know about CMainFrame. Choose the path with the least linkage.

--------
There are 10 types of people in this world. Those who know binary and those who don't.

Re: want to pass in array info to a CDialog from MDI app

l a u r e n8-Oct-02 13:39

l a u r e n

8-Oct-02 13:39

was thinking that myself

"... and so i said to him ... if it don't dance (or code) and you can't eat it either f**k it or throw it away"
biz stuff about me

Keeping track of control width

Anonymous8-Oct-02 8:25

Anonymous

8-Oct-02 8:25

Hi, I have a control from which I regular need the current width, so I created a member variable. I did override OnSize() to get the new width.

Where do I get the initial width?

Re: Keeping track of control width (?)

Anonymous8-Oct-02 8:58

Anonymous

8-Oct-02 8:58

Well, I remember from my poor Win32 experience that you get a WM_SIZE after the control is created... so overriding OnSize() might be enough?

Propably someone can confirm this? Or is there any other message handler to override and call GetClientRect()?

Re: Keeping track of control width (?)

Roger Allen9-Oct-02 1:48

Roger Allen

9-Oct-02 1:48

Initially you will recieve a WM_SIZE before the control is created, and one after the control is created. You could do the following:

static bool first = true ;
if (GetDlgItem(IDC_OF_CONTROL) != NULL && first)
{
// this code will only be executed once.
CRect size ;
GetDlgItem(IDC_OF_CONTROL)->GetWindowRect(&size) ;
first = false ;
// do something with the initial size of the control
}

Roger Allen
Sonork 100.10016

I think I need a new quote, I am on the prowl, so look out for a soft cute furry looking animal, which is really a Hippo in disguise. Its probably me.

Re: Keeping track of control width

BlackSmith8-Oct-02 9:35

BlackSmith

8-Oct-02 9:35

Try reading here: CWnd::OnGetMinMaxInfo

--BlackSmith--
/*The roof is on fire, we don't need no water, let the MF burn*/. BHG.

Re: Keeping track of control width

Anonymous8-Oct-02 9:54

Anonymous

8-Oct-02 9:54

sorry, I dont get the relation to my question about current control size, which is a client window (a listbox) of a dialog.

Meanwhile I tried with OnSize(), but OnSize() gets called to late. I need to catch the width somewhere earlier, right after the control is created....

Re: Keeping track of control width

8-Oct-02 10:20

Overwriting OnCreate() brought no luck... so I found this one:

void CListBoxLovely::PreSubclassWindow() 
{
	CListBox::PreSubclassWindow();
	CRect rect;
	GetClientRect(rect);
	m_nItemWidth = rect.Width()
}

it works good Smile | :)

frozen combobox

ns8-Oct-02 8:01

8-Oct-02 8:01

This brings up the UI and nothing can be done to it. Cant input anything in the combobox. THe UI is totallly unresponsive to anything:

BOOL CCombobox1View::PreTranslateMessage(MSG* pMsg) 
{

       CString s;

	if   ( pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_RETURN )

		if 	(GetFocus() ==& m_combo1)  
		{
			m_combo1.GetWindowText(s);

			m_combo1.InsertString(0,s);
			m_combo1.SetWindowText("");
			m_combo1.SetFocus();
		//	EndDialog(IDOK);

			
			
			return FALSE; 
		}
		else
		{
	
		}
		

	else
	{ 
		return TRUE;
	}


	return CFormView::PreTranslateMessage(pMsg);
}

Appreciate your help,
ns

Re: frozen combobox

ns8-Oct-02 8:05

8-Oct-02 8:05

I'm just trying to check out the basic functionality of a combobox. I thought that with the code above< I could enter something, then dropdown the box and see it in the list...

Appreciate your help,
ns

Re: frozen combobox

Roger Allen9-Oct-02 1:53

Roger Allen

9-Oct-02 1:53

Its probably due to the if(pMsg->) else condition. you should just miss this section out of the function.

BOOL CCombobox1View::PreTranslateMessage(MSG* pMsg)
{
       CString s;
	if   ( pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_RETURN )
	{
		if 	(GetFocus() ==& m_combo1)
  		{
			m_combo1.GetWindowText(s);
			m_combo1.InsertString(0,s);
			m_combo1.SetWindowText("");
			m_combo1.SetFocus();
		//	EndDialog(IDOK);									return FALSE;
 		}
		else
		{
		}
	}
	return CFormView::PreTranslateMessage(pMsg);
}

Roger Allen
Sonork 100.10016

I think I need a new quote, I am on the prowl, so look out for a soft cute furry looking animal, which is really a Hippo in disguise. Its probably me.

Re: frozen combobox

Bartosz Bien10-Oct-02 11:31

Bartosz Bien

10-Oct-02 11:31

Modifying the UI in PreTranslateMessage may be unsafe. I guess you should move the presented functionality to OnKeyDown (WM_KEYDOWN handler). Additionally, to make OnKeyDown being called for VK_RETURN, you should override OnGetDlgCode (WM_GETDLGCODE handler) to return DLGC_WANTALLKEYS constant.

Regards,
Bartosz Bien

How do I fix this?

ns8-Oct-02 7:47

8-Oct-02 7:47

My Cdialog has two CEdits. THe default ONOK has no code in it (I'm trying to prevent enter from killing the dialog), THe way things are, the Done button has third tab order (after the CEDits) and does an EndDialog. For some reason, Enter is dismissing the dialog even though the default ONOK is empty. I need to prevent this behavior, but the standard method is not working. I even made a label be third tab order just in case.But the enter still dismisses the dialog ?This has worked before (emptying OnOK) but this time it isnt and I dont know why..

Appreciate your help,
ns

Re: How do I fix this?

C^hris L^osinger8-Oct-02 7:55

C^hris L^osinger

8-Oct-02 7:55

PreTranslateMessage

search this forum for it.

-c

No matter how fast light travels it finds the darkness has always got there first, and is waiting for it.
-- Terry Pratchett,

Etch-a-sketch!

Re: How do I fix this?

ns8-Oct-02 8:02

8-Oct-02 8:02

Thats what I ended up doing...I had saved a link to it... Smile | :)

Appreciate your help,
ns

Re: How do I fix this?

mariuszpopiolek8-Oct-02 8:02

mariuszpopiolek

8-Oct-02 8:02

Hi
I'm not sure whether it will help but try it. Do not delete default ONOK handler. If I remember well there should be line with OnOk() or something like this. Comment this line.

Greetings

Mariusz Popiolek

Re: How do I fix this?

ns8-Oct-02 8:08

8-Oct-02 8:08

I didnt delete it. I just commented out that base class calll like you said...

Appreciate your help,
ns

Re: How do I fix this?

mariuszpopiolek8-Oct-02 8:15

mariuszpopiolek

8-Oct-02 8:15

And what? Did it help? (I suppose not Frown | :(

)

Greetings

Mariusz Popiolek

Re: How do I fix this?

ns8-Oct-02 8:21

8-Oct-02 8:21

Nope> But I've used Pretranslate message and thats okay for the moment....so thanks for the interest.. Smile | :)

Appreciate your help,
ns

Re: How do I fix this?

mariuszpopiolek8-Oct-02 8:42

mariuszpopiolek

8-Oct-02 8:42

Now I tried this in VC to be sure Smile | :)

. I double-clicked ok button so I obtain such autogenerated code:

void CMy123testappDlg::OnOK()
{
// TODO: Add extra validation here

CDialog::OnOK();
}

And after commenting CDialog::OnOK(); pressing Ok button does nothing! (dialog doesn't close). So it must help, or maybe we have a little misunderstanding Smile | :)

(maybe your problem is a bit different).

Greetings

Mariusz Popiolek

Re: How do I fix this?

ns8-Oct-02 9:12

8-Oct-02 9:12

I agree that pressing the OK after commenting out the line is unresponsive. I'm however hitting the enter key. Its probably got something to do with my tab order, but I only have two CEdits and 1 OK, 1 cancel to organize.....

Appreciate your help,
ns

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