OS/2 Shareware BBS: 10 Tools/10-Tools.zip/vos2-121.zip/v/examp/protoapp.cpp

C/C++ Source or Header | 1998-11-09 | 5KB | 148 lines

//=======================================================================
//  protoapp.xx:     Source file for minimal prototype V application
//  Copyright (C) 1995  Bruce E. Wampler
//
//  This program is part of the V C++ GUI Framework example programs.
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  (see COPYING) along with this program; if not, write to the Free
//  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=======================================================================

//  Files required for minimal application:
//      protoapp.h      Header for the min app
//      protoapp.cxx:   Source code for min app
//    mycmdwin.h:    Header code for sample command window
//    mycmdwin.cxx:    Source code for sample command window
//      mydialog.h:     Header for sample modeless dialog
//      mydialog.cxx:   Source for sample modeless dialog
//      mymodal.h:      Header for sample modal dialog
//      mymodal.cxx     Soruce for sample modal dialog
//
//      While these files were generated by hand, they are intended to
//      serve as an example of files that could have been generated by
//      the V interface generator (Vigr)
//

#include "protoapp.h"    // our header

    static char newName[] = "[A] Example Subwindow";

//=========================>>> myApp::NewAppWin <<<==========================
  vWindow* myApp::NewAppWin(vWindow* win, char* name, int w, int h, vAppWinInfo* winInfo)
  {
    // This version of NewAppWin is provided with the information
    // required to name and size a window.

    // Typically, these would get a file name or other information
    // that will setup the AppWinInfo class for information
    // specific to the application. Thus, each open window
    // usually represents a view of a file or data object.

    vWindow* thisWin = win;        // local copy to use
    vAppWinInfo* awinfo = winInfo;

    char *myname = name;

    if (!*name)
      {
    myname = newName;        // make up a name
      }

    UserDebug1(Build,"myApp::NewAppWin(%s)\n",myname);

    if (!thisWin)            // need to new a window
      {
    thisWin = new myCmdWindow(myname, w, h);
      }

    // The real app will no doubt have its own AppWinInfo class.

    if (!awinfo)
    awinfo = new vAppWinInfo(myname);

    if (!*name)
      {
    newName[1]++;        // Cheap way to generate unique name
      }
    return vApp::NewAppWin(thisWin, myname, w, h, awinfo);
  }

//========================>>> myApp::Exit <<<======================
  void myApp::Exit(void)
  {
    // This is called to close all windows. If the app needs to
    // do something special, it can. Otherwise, it can call the
    // general vApp::Exit method, which will generate
    // appropriate calls the the specialized myApp::CloseAppWin

    UserDebug(Build,"myApp::Exit()\n");

    vApp::Exit();    // easy default behavior
  }

//=======================>>> myApp::CloseAppWin <<<===========================
  int myApp::CloseAppWin(vWindow* win)
  {
    // This will be called BEFORE a window has been unregistered or
    // closed.  The app can do whatever it needs to to close down
    // the data associated with this window. Then it can call the
    // general vApp::CloseAppWin to unregister and close this window.
    // Note that the win gives a handle that can be used with
    // vApp::getAppWinInfo to retrieve the AppWinInfo class.

    // Code to handle close of window (such as saving/closing a file)
    // would go here...

    // Now unregister and close the window.

    UserDebug(Build,"myApp::CloseAppWin()\n");

    return vApp::CloseAppWin(win);
  }

//========================>>> myApp::AppCommand <<<==============================
  void myApp::AppCommand(vWindow* win, ItemVal id, ItemVal val, CmdType cType)
  {
    // Any commands not processed by the window will be passed
    // along to here for default treatment.

    UserDebug1(Build,"myApp::AppCmd(ID: %d)\n",id);
    vApp::AppCommand(win, id, val, cType);
  }

//=========================>>> myApp::KeyIn <<<==============================
  void myApp::KeyIn(vWindow* win, vKey key, unsigned int shift)
  {
    // Any key strokes not processed by the window will be passed
    // along to here for default treatment.

    vApp::KeyIn(win, key, shift);
  }

//###########################################################################

  // EVERY V application needs the equivalent of the following line

  static myApp my_App("ProtoApp");    // The instance of the app

//============================>>> AppMain <<<==============================
  int AppMain(int argc, char** argv)
  {
    // Use AppMain to create the main window

    (void) theApp->NewAppWin(0, "Prototype V Example", 450, 200);

    return 0;
  }