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Top Forums Programming "Blocking" message box in Motif Post 302297365 by Zipi on Friday 13th of March 2009 07:10:44 AM
Old 03-13-2009
By the way....before you wonder about modality Smilie

I need this blocking capability because what i need is:
1)i want to copy/transfer several selected files to another location
2)if a file with the same name exists on the destination path,the application will popup the classic question dialog asking if the user wants to replace the file or not

What i am actually doing is:
1)i use a XmList containing the files in the source path
2)when the user selects the "copy" button i do the following:
Code:
XmString *sTable;
XmString askedQuestion;
char question[256];

int cnt;
char* selectedFile;
XmString *strlist;
       XtVaGetValues(_logEventFileList,XmNselectedItemCount,&cnt,XmNselectedItems,&strlist,NULL);

cout<<"selected "<<cnt<<" elements"<<endl;

//For each selected file popup a question dialog (which is the member variable _dialogConfirm)
while(cnt--)
{
      if(!(selectedFile=(char *)XmStringUnparse(strlist[cnt],
                                              XmFONTLIST_DEFAULT_TAG,
                                              XmCHARSET_TEXT,
                                              XmCHARSET_TEXT,
                                              NULL,0,
                                              XmOUTPUT_ALL)))
      break;
      cout<<selectedFile<<endl;

      //Not performing the check if the file exists on the destination right now
      //Just trying to make a dialog appear for each selected file
      sprintf(question,"A file named %s already exists./n/nWhat do you want to do?",selectedFile);
      askedQuestion=XmStringCreateLocalized (question);            
      XtVaSetValues(_dialogConfirm, XmNmessageString, askedQuestion,NULL);

      XtManageChild(_dialogConfirm);
      XmStringFree(askedQuestion);
}
XtUnmanageChild(_dialogConfirm);

As you can see,i tried to do it with XtManageChild,but it returns immediately,so i don't see any dialog.
So,making the dialog modal doesn't help me...
 

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XmCreateMessageBox(3X)													    XmCreateMessageBox(3X)

NAME
XmCreateMessageBox - The MessageBox widget creation function SYNOPSIS
#include <Xm/MessageB.h> Widget XmCreateMessageBox (parent, name, arglist, argcount) Widget parent; String name; ArgList arglist; Cardinal argcount; DESCRIPTION
XmCreateMessageBox creates an unmanaged MessageBox. A MessageBox is used for common interaction tasks, which include giving information, asking questions, and reporting errors. It includes an optional symbol, a message, and three buttons. By default, there is no symbol. The default button labels are OK, Cancel, and Help. If the parent of the MessageBox is a DialogShell, use XtManageChild to pop up the MessageBox (passing the MessageBox as the widget parame- ter); use XtUnmanageChild to pop it down. Specifies the parent widget ID Specifies the name of the created widget Specifies the argument list Specifies the number of attribute/value pairs in the argument list (arglist) For a complete definition of MessageBox and its associated resources, see XmMessageBox(3X). RETURN VALUE
Returns the MessageBox widget ID. SEE ALSO
XmMessageBox(3X) XmCreateMessageBox(3X)
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