OS/2 Shareware BBS: 10 Tools/10-Tools.zip/vos2-121.zip/v/srcos2/vreply.cpp

C/C++ Source or Header | 1999-01-26 | 5.7 KB | 146 lines

//===============================================================
// vreply.cxx - vReplyDialog class functions - X11R5
//
// Copyright (C) 1995,1996,1997,1998  Bruce E. Wampler
//
// This file is part of the V C++ GUI Framework, and is covered
// under the terms of the GNU Library General Public License,
// Version 2. This library has NO WARRANTY. See the source file
// vapp.cxx for more complete information about license terms.
//===============================================================
#include <v/vos2.h>     // for Win 32 stuff
#include <v/vreply.h>   // our header
#include <v/vicon.h>    // icons

// Define static data of the class
#define prompt_depth 1
#define prompt_width 32
#define prompt_height 32
static unsigned char prompt_bits[] = {
   0x01, 0x00, 0x00, 0x40, 0xf8, 0xff, 0xff, 0x9f, 0x05, 0x00, 0x00, 0x20,
   0xe4, 0xff, 0xff, 0xa7, 0x15, 0x00, 0x00, 0x28, 0x14, 0xc0, 0x01, 0xa8,
   0x15, 0xe0, 0x03, 0x28, 0x14, 0x30, 0x06, 0xa8, 0x15, 0x30, 0x06, 0x28,
   0x14, 0x00, 0x03, 0xa8, 0x15, 0x80, 0x01, 0x28, 0x14, 0xc0, 0x00, 0xa8,
   0x15, 0xc0, 0x00, 0x28, 0x14, 0xc0, 0x00, 0xa8, 0x15, 0xc0, 0x00, 0x28,
   0x14, 0x00, 0x00, 0xa8, 0x15, 0xc0, 0x00, 0x28, 0x14, 0x00, 0x00, 0xa8,
   0xe5, 0xff, 0xff, 0x27, 0x04, 0x00, 0x00, 0xa0, 0xf9, 0xff, 0xff, 0x1f,
   0xfe, 0xff, 0xff, 0x7f, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x40,
   0x02, 0x00, 0xe0, 0x47, 0x02, 0x00, 0x00, 0x40, 0xfa, 0xff, 0xff, 0x5f,
   0xae, 0xaa, 0xaa, 0x6a, 0x56, 0x55, 0x55, 0x55, 0xab, 0xaa, 0xaa, 0xea,
   0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00};
  static vIcon prompt((unsigned char*)&prompt_bits[0], prompt_height,
    prompt_width, prompt_depth);

  static CommandObject ReplyDialog[] =
  {
    // Modified: TEH Jan98
    // Put icon + text in a frame so button is below frame.
    // With many-line text displays, the button will always be below text.
    // Also remove "Blanks" around buttons; not consistant with V look!
    // Put OK button to left, and Cancel to right for proper style.
    {C_Frame, 30, 0, "",NoList, CA_NoSpace | CA_NoBorder, isSens, NoFrame, 0, 0},
    {C_Icon,  10, 0, "Reply?", (void*)&prompt, CA_None, isSens, 30, 0, 0},
    {C_Label, 91, 91, "", NoList,CA_MainMsg ,isSens, 30, 10,0},
    {C_TextIn, 92, 92, "", NoList, CA_Large, isSens, NoFrame, 0, 10},
    {C_Button, M_OK, M_OK, " OK ",NoList, CA_DefaultButton, isSens, NoFrame, 0, 92},
    {C_Button, M_Cancel, M_Cancel, " Cancel ",NoList, CA_None, isSens, NoFrame, M_OK, 92},
    {C_EndOfList,0,0,0,0,CA_None,0,0,0}  };

//======================>>> vReplyDialog::Reply <<<=======================
  int vReplyDialog::Reply(VCONST char* msg, char* reply, int maxlen,
    VCONST char* dflt)
  {
    //  Show a message, wait for a reply
    //  no important return

    int ans;

    // TEH jan98; move before "if" as it is in vYNReplyDialog
    ReplyDialog[2].title = (char *)msg;
    // TEH jan98; added ability to have a "default" reply to display
    ReplyDialog[3].title = dflt;

    if (!added)
    {
      AddDialogCmds(ReplyDialog);             // Set up standard dialog
      added = 1;
    }

    int rv = ShowModalDialog((char*)msg, ans);    // show and wait

    reply[0] = 0;

    if (rv != M_Cancel)
      (void) GetTextIn(92, reply, maxlen);

    return rv;
  }

//====================>>> vReplyDialog::DialogCommand <<<=======================
  void vReplyDialog::DialogCommand(ItemVal id, ItemVal val, CmdType ctype)
  {
//    if (id == M_OK || id == M_Cancel)
//      CloseDialog();
    vModalDialog::DialogCommand(id, val, ctype);
  }

// TEH Dec97
// Added DialogDisplayed to handle the centering of the dialog in the app.
//====================>>> vReplyDialog::DialogDisplayed <<<=======================
  void vReplyDialog::DialogDisplayed()
  {
    // we want to keep the dialog 'margin' units away from the screen edges
    const int margin = 25;
    // center the dialog in the app window, the usual nightmare of
    // os/2 and V coord transforms applies as always!
    const LONG DisplayHeight = WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN);
    const LONG DisplayWidth = WinQuerySysValue(HWND_DESKTOP, SV_CXSCREEN);
    SWP swpApp, swpDlg;

    HWND ClientHwnd = WinQueryWindow(_wDialog, QW_OWNER);
    if (ClientHwnd)
      WinQueryWindowPos(ClientHwnd, &swpApp);
    else // it seems modal-modals don't have an owner, so put in the middle!
    {
      swpApp.x=0;
      swpApp.y=0;
      swpApp.cx=0;
      swpApp.cy=0;
    }
    WinQueryWindowPos(_wDialog, &swpDlg);

    int left, top;            // new dialog posn upper-left corner
    if ( swpApp.cx > swpDlg.cx )
      left = swpApp.x + (swpApp.cx - swpDlg.cx)/2;
    else
      left = swpApp.x;

    if ( swpApp.cy > swpDlg.cy )
      top = (DisplayHeight - swpApp.y - swpApp.cy) + (swpApp.cy - swpDlg.cy)/2;
    else
      top = DisplayHeight - swpApp.y - swpApp.cy;

    // special case of no visible parent window, so center on screen instead
    if ( swpApp.cx ==0 && swpApp.cy==0)
    {
      top = (DisplayHeight - swpDlg.cy)/2;
      left = (DisplayWidth - swpDlg.cx)/2;
    }
    // sanity checks!  Make sure dialog fits on the screen!
    if ((top+swpDlg.cy+ margin) >  DisplayHeight)
       top = DisplayHeight - swpDlg.cy - margin;
    if ((left+swpDlg.cx+margin) >  DisplayWidth)
       left = DisplayWidth - swpDlg.cx - margin;
    // but don't overcorrect! If its bigger than the screen do the best you can
    if (top < 0 )
      top = 0;
    if (left < 0 )
      left = 0;

    // for this function, the position coords are relative to the screen, not the app
    // and origin is upper left corner of screen (V coords)
    SetDialogPosition (left, top);
  }

// ---------------------------------------------------------------------