OS/2 Shareware BBS: 10 Tools/10-Tools.zip/vos2-121.zip/v/drawex/drawcmdw.cpp

C/C++ Source or Header | 1998-07-03 | 5KB | 198 lines

//================================================================
//  drawcmdw.cxx:     Source file for drawApp cmdwin class
//  Copyright (C) 1995  Bruce E. Wampler
//================================================================
#include <v/vnotice.h>    // so we can use notice
#include <v/vpen.h>    // for drawing pen
#include <v/vfilesel.h>    // for file selection

#include "drawcmdw.h"    // our header

//    Start defines for the main window with 100

  const ItemVal m_Clear = 100;
  const ItemVal m_LineWidth = 101;
  const ItemVal m_ChangePen = 102;
  const ItemVal m_ColorBtn = 103;

    // Define the File and Edit pulldown menus
    static vMenu FileMenu[] =
      {
    {"New", M_New, isSens, notChk, noKeyLbl, noKey, noSub},
    {"Open", M_Open, isSens, notChk, noKeyLbl, noKey, noSub},
    {"Save", M_Save, isSens, notChk, noKeyLbl, noKey, noSub},
    {"Save As", M_SaveAs, isSens,notChk,noKeyLbl,noKey,noSub},
    {"-", M_Line, notSens, notChk, noKeyLbl, noKey, noSub},
    {"Exit", M_Exit, isSens, notChk, noKeyLbl, noKey, noSub},
    {NULL}
      };

    static vMenu EditMenu[] =
      {
    {"Clear", m_Clear, isSens, notChk, noKeyLbl, noKey,noSub},
    {NULL}
      };

    // Define the main menu
    vMenu MainMenu[] =
      {
    {"File",M_File,isSens,notUsed,notUsed,noKey,&FileMenu[0]},
    {"Edit",M_Edit,isSens,notUsed,notUsed,noKey,&EditMenu[0]},
    {NULL}
      };

    // Define the command bar
    static int minMaxStep[3] = {1, 20, 1};    // for line width
    static vColor btnColor(0,0,0);
    static CommandObject CommandBar[] =
      {
    {C_Button, m_Clear, m_Clear, "Clear", NoList,
        CA_None,isSens,NoFrame,0,0},
    {C_Label, 999, 0 ," Pen Width: ", NoList,
        CA_None, isSens, NoFrame,0,0},
    {C_Spinner,m_LineWidth,1,"",(void*)&minMaxStep[0],
        CA_None,isSens,NoFrame,0,0},
    {C_Label, 999, 0, " Pen Color: ",NoList,
        CA_None,isSens,NoFrame,0,0},
    {C_ColorButton, m_ColorBtn, 0, "", (void*)&btnColor,
        CA_None,isSens,NoFrame,0,0,12},
#define vC_Size 12            // size of color buttons
#include<v/vcb2x8.h>    // define a color selection box
    {C_EndOfList,0,0,0,0,CA_None,0,0,0}
      };

//================>>> myCmdWindow::myCmdWindow <<<================
  myCmdWindow::myCmdWindow(char* name, int width, int height) :
    vCmdWindow(name, width, height)
  {
    // Create and add the proper panes to the CmdWindow

    *_fname = 0;            // no name

    myMenu = new vMenuPane(MainMenu);    // Add the main menu
    AddPane(myMenu);

    myCmdPane = new vCommandPane(CommandBar); // Add command pane
    AddPane(myCmdPane);

    myCanvas = new myCanvasPane;    // Add the canvas pane
    AddPane(myCanvas);

    ShowWindow();        // FINALLY, we must show the window!
  }

//===============>>> myCmdWindow::~myCmdWindow <<<================
  myCmdWindow::~myCmdWindow()
  {
    delete myMenu;    // Delete everything new'ed in
    delete myCanvas;    //   the constructor
    delete myCmdPane;
  }

//==============>>> myCmdWindow::WindowCommand <<<================
  void myCmdWindow::WindowCommand(ItemVal id, ItemVal val,
    CmdType cType)
  {
    // route all commands through here - menus and buttons

    static char* filter[] = {"*.drw","*", 0};    // file filter
    static int fi = 0;
    vNoticeDialog note(this);    // for user notification

    switch (id)        // switch on id of commands
      {
    case M_New:
      {
        // call our NewAppWin method
        theApp->NewAppWin(0,"V Draw - No Name",500,250,0);
        break;
      }

    case M_Open:
      {
        if (*_fname)
          {
        note.Notice("Create a New window first.");
        break;
          }

            vFileSelect fsel(this);     // V file select dialog

            if (!fsel.FileSelect("Open V Draw File",
          _fname,99,filter,fi) || !*_fname)
        break;            // ignore if no selection

        if (!myCanvas->Read(_fname))    // Save in _fname
          {
        note.Notice("Unable to read file");
        break;
          }
        SetTitle(_fname);        // show on title bar
        myCanvas->Redraw(0,0,0,0);    // paint it
        break;
      }

    case M_Save:
      {
        if (*_fname)            // have a name
          {
        if (!myCanvas->Save(_fname))    // Save in _fname
            note.Notice("Unable to save file");
        break;
          }
        // else fall through to SaveAs
      }

    case M_SaveAs:
      {
            vFileSelect fsel(this);     // V file select dialog

            if (!fsel.FileSelectSave("Save V Draw File As",
          _fname,99,filter,fi) || !*_fname)
        break;            // ignore if no selection

        if (!myCanvas->Save(_fname))    // Save in _fname
          {
        note.Notice("Unable to read file");
        break;
          }
        SetTitle(_fname);
        break;
      }

    case M_Exit:
      {
        theApp->Exit();    // Standard action for Exit
        break;
      }

    case m_LineWidth:
      {
        _pen.SetWidth(val);    // set new pen width
        myCanvas->SetPen(_pen);
        break;
      }

    case m_Clear:            // clear the screen
      {
        myCanvas->Clear();
        break;
      }

    default:            // change pen color?
      {
        if (id >= M_Black && id <= M_White)  // color button
          {
        _pen.SetColor(vStdColors[val]);
        myCanvas->SetPen(_pen);
        SetValue(m_ColorBtn,(ItemVal)_pen.GetColor().r(),Red);
        SetValue(m_ColorBtn,(ItemVal)_pen.GetColor().g(),Green);
        SetValue(m_ColorBtn,(ItemVal)_pen.GetColor().b(),Blue);
          }
        else        // pass up hierarchy
        vCmdWindow::WindowCommand(id, val, cType);
        break;
      }
      }
  }