//---------------------------------------------------------------------------
#include <registry.hpp>
#include <winuser.h>
#include <stdlib.h>
#include <stdio.h>
#include <vcl.h>
#pragma hdrstop

#include "CTapiz_mm.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma link "mwajpeg"
#pragma resource "*.dfm"
TCTapiz *CTapiz;
//---------------------------------------------------------------------------
#define GetCurrentDir ExtractFileDir(Application->ExeName)


__fastcall TCTapiz::TCTapiz(TComponent* Owner)
    : TForm(Owner)
{
 WallPaper_Toolbar = true;

 TrayMessage(NIM_ADD);
 TrayMessage(NIM_MODIFY);

 AllowExit = false;

 RefreshYescoge(0);
}
//---------------------------------------------------------------------------
AnsiString TCTapiz::EligeBitmap( AnsiString iPath )
{
 AnsiString NombreImagen, Path;


 if ( WallPaper_Toolbar )
  Path = iPath;
 else
  Path = iPath + "\\Toolbar";


 EligeBitmapR( Path + "\\*.jpg" );
 EligeBitmapR( Path + "\\*.bmp" );
// EligeBitmapR( Path + "\\*.gif" );

 randomize();
 if(  ListBox1 -> Items -> Count  > 0 )
 {
    ListBox1->ItemIndex = rand() % ( ListBox1->Items->Count );
    NombreImagen = ListBox1->Items->Strings[ListBox1->ItemIndex];
    return (Path + "\\" + NombreImagen);
 } else
    return AnsiString("");
}
//---------------------------------------------------------------------------
void TCTapiz::EligeBitmapR( AnsiString PathC )
{
  TSearchRec sr;
  int iAttributes = 0xFF;

  if (FindFirst( PathC, iAttributes, sr) == 0)
  {
    if (sr.Attr & iAttributes)
        ListBox1 -> Items ->Add( sr.Name );

    while (FindNext(sr) == 0)
      if (sr.Attr & iAttributes)
        ListBox1 -> Items ->Add( sr.Name );
  }

  FindClose(sr);
};
//---------------------------------------------------------------------------
void TCTapiz::PonTapiz( AnsiString Tapiz )
{
 TRegistry *Registro;
 Registro = new TRegistry;
 AnsiString bStyle;

 bStyle = EligeStylo( Tapiz );

try {
 Registro -> OpenKey( "\\Control Panel\\Desktop", false );
 Registro -> WriteString( "Wallpaper", Tapiz );
 Registro -> WriteString( "TileWallpaper", (bStyle == "2") ? "0" : "1" );
 Registro -> WriteString( "WallpaperStyle", bStyle );
 SystemParametersInfo( SPI_SETDESKWALLPAPER, 0, Tapiz.c_str(), SPIF_UPDATEINIFILE );
 SystemParametersInfo( SPI_SETDESKWALLPAPER, 0, Tapiz.c_str(), 0	 );
}catch(...){
 //do nothing
}
 delete Registro;
};
//---------------------------------------------------------------------------
AnsiString TCTapiz::EligeStylo( AnsiString IMG )
{
  AnsiString dev;
  dev = "0";

  if ( Image1->Picture->Width >= 600 && Image1->Picture->Height >= 400 ) dev = "2";

  return dev;
}
//---------------------------------------------------------------------------
void __fastcall TCTapiz::ListBox1DblClick(TObject *Sender)
{
  if ( !WallPaper_Toolbar && !SwapActive->Checked )   return;

  AnsiString Tapiz, Where;
  Tapiz = GetCurrentDir + "\\";

  AnsiString NImage;

  if ( WallPaper_Toolbar )
  {
   Where = "";
   NImage = "ctapiz_JPG2BMP.bmp";
  } else {
   char name[13];
   tmpnam(name);

   Where = "ToolBar\\";
   NImage = AnsiString( name ) + "_ctapiz_JPG2BMP.bmp";
  }

  // Si es un JPEG lo convertimos a BMP
  if ( (ListBox1->Items->Strings[ ListBox1 -> ItemIndex ].UpperCase()).AnsiPos( ".BMP" ) == 0 )
  {
   Image1->Picture->SaveToFile( Where + NImage );
   Tapiz += ( Where + NImage );
  } else
   Tapiz += (Where + ListBox1 -> Items -> Strings[ ListBox1 -> ItemIndex ]);

  if ( WallPaper_Toolbar )
   PonTapiz( Tapiz );
  else
   PonToolBar( Tapiz );
}
//---------------------------------------------------------------------------

void __fastcall TCTapiz::ListBox1KeyPress(TObject *Sender, char &Key)
{
  if ( Key == VK_RETURN )
    ListBox1DblClick( 0 );

}
//---------------------------------------------------------------------------
void __fastcall TCTapiz::ListBox1Click(TObject *Sender)
{
  // Cargamos la imagen
  if ( WallPaper_Toolbar )
      Image1->Picture->LoadFromFile( ListBox1 -> Items -> Strings[ ListBox1 -> ItemIndex ] );
  else
      Image1->Picture->LoadFromFile( "ToolBar\\"+ListBox1 -> Items -> Strings[ ListBox1 -> ItemIndex ] );

  Image1->Top  = 0;
  Image1->Left = 140;
  // Vemos si es mayor que el recuadro que la contiene...
  if ( Image1->Picture->Height > 200 || Image1->Picture->Width > 200 )
  {
    // Reescalamos en ese caso
    if ( Image1->Picture->Height > Image1->Picture->Width )
    {
      Image1->Height = 200;
      Image1->Width = (Image1->Picture->Width * 200 ) / Image1->Picture->Height;
      Image1->Left += ( 200 - Image1->Width ) / 2;
    } else {
      Image1->Width = 200;
      Image1->Height = (Image1->Picture->Height * 200 ) / Image1->Picture->Width;
      Image1->Top = ( 200 - Image1->Height ) / 2;
    }
  } else {
   Image1->Height = 200;
   Image1->Width  = 200;
  }
}
//---------------------------------------------------------------------------
void __fastcall TCTapiz::FormDestroy(TObject *Sender)
{
	TrayMessage(NIM_DELETE);
}
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
void __fastcall TCTapiz::DrawItem(TMessage& Msg)
{
     IconDrawItem((LPDRAWITEMSTRUCT)Msg.LParam);
     TForm::Dispatch(&Msg);
}
//---------------------------------------------------------------------------
void __fastcall TCTapiz::MyNotify(TMessage& Msg)
{
    POINT MousePos;

    switch(Msg.LParam)
    {
        case WM_RBUTTONUP:
            if ( GetCursorPos(&MousePos) )
            {
                PopupMenu1->PopupComponent = CTapiz;
                SetForegroundWindow(Handle);
                PopupMenu1->Popup(MousePos.x, MousePos.y);
                PopupMenu1->PopupComponent = 0;
            }
            break;
        case WM_LBUTTONDBLCLK:
              Height = 230;
              Visible = true;
            break;
        default:
            break;
    }
    TForm::Dispatch(&Msg);
}
//---------------------------------------------------------------------------
bool __fastcall TCTapiz::TrayMessage(DWORD dwMessage)
{
   NOTIFYICONDATA tnd;
   PSTR pszTip;

   pszTip = TipText();

   tnd.cbSize          = sizeof(NOTIFYICONDATA);
   tnd.hWnd            = Handle;
   tnd.uID             = IDC_MYICON;
   tnd.uFlags          = NIF_MESSAGE | NIF_ICON | NIF_TIP;
   tnd.uCallbackMessage	= MYWM_NOTIFY;

   if (dwMessage == NIM_MODIFY)
    {
        tnd.hIcon		= IconHandle();
        if (pszTip)
           lstrcpyn(tnd.szTip, pszTip, sizeof(tnd.szTip));
	    else
        tnd.szTip[0] = '\0';
    }
   else
    {
        tnd.hIcon = NULL;
        tnd.szTip[0] = '\0';
    }

   return (Shell_NotifyIcon(dwMessage, &tnd));
}
//---------------------------------------------------------------------------
HANDLE __fastcall TCTapiz::IconHandle(void)
{
  return Application->Icon->Handle;
}
//---------------------------------------------------------------------------
PSTR __fastcall TCTapiz::TipText(void)
{
  return ("CTapiz v2.1");
}
//---------------------------------------------------------------------------
LRESULT IconDrawItem(LPDRAWITEMSTRUCT lpdi)
{
	HICON hIcon;

	hIcon = (HICON)LoadImage(g_hinst, MAKEINTRESOURCE(lpdi->CtlID), IMAGE_ICON,
		16, 16, 0);
	if (!hIcon)
		return(FALSE);

	DrawIconEx(lpdi->hDC, lpdi->rcItem.left, lpdi->rcItem.top, hIcon,
		16, 16, 0, NULL, DI_NORMAL);

	return(TRUE);
}

void __fastcall TCTapiz::MostarCTapiz1Click(TObject *Sender)
{
  Height = 230;
  Visible = true;
}
//---------------------------------------------------------------------------

void __fastcall TCTapiz::Cerrar1Click(TObject *Sender)
{
  Visible = false;
  Close();
}
//---------------------------------------------------------------------------

void __fastcall TCTapiz::Configurar1Click(TObject *Sender)
{
  Height = 290;
  Visible = true;
}
//---------------------------------------------------------------------------

void __fastcall TCTapiz::CheckBox2Click(TObject *Sender)
{
 TRegistry *Registro;
 Registro = new TRegistry;

  if ( CheckBox2->Checked )
   AllowExit = false;

  Registro -> OpenKey( "\\Software\\JDsoft", true );
  Registro -> OpenKey( "\\Software\\JDsoft\\CTapiz", true );
  Registro -> WriteBool( "AutoChange", CheckBox2->Checked );

  Timer1->Interval = UpDown1->Position * 60 * 1000;
  Timer1->Enabled = true;

  delete Registro;
}
//---------------------------------------------------------------------------
void __fastcall TCTapiz::CheckBox1Click(TObject *Sender)
{
 TRegistry *Registro;
 Registro = new TRegistry;

    try {
     Registro -> OpenKey( "\\Software\\Microsoft\\Windows\\CurrentVersion\\Run", false );
      if ( CheckBox1->Checked )
        Registro -> WriteString( "CTapiz", Application->ExeName );
      else
        Registro -> DeleteValue( "CTapiz" );
     }catch(...){
      //do nothing
     }
  delete Registro;
}
//---------------------------------------------------------------------------


void __fastcall TCTapiz::FormCloseQuery(TObject *Sender, bool &CanClose)
{
  if ( Visible )
  {
    Visible = false;
    CanClose = false;
  }
}
//---------------------------------------------------------------------------
void __fastcall TCTapiz::UpDown1Changing(TObject *Sender,
      bool &AllowChange)
{
 TRegistry *Registro;
 Registro = new TRegistry;

    Label1->Caption = UpDown1->Position;
    try {
      Registro -> OpenKey( "\\Software\\JDsoft\\CTapiz", true );
        Registro -> WriteInteger( "DelayTime", UpDown1->Position );
      Timer1->Interval = UpDown1->Position * 60 * 1000;
     }catch(...){
      //do nothing
     }
  delete Registro;
}
//---------------------------------------------------------------------------
void __fastcall TCTapiz::RefreshYescoge(TObject *Sender)
{
 ListBox1->Clear();
 if ( ! EligeBitmap( GetCurrentDir ).IsEmpty() )
 {
   ListBox1Click( 0 );
   if ( WallPaper_Toolbar )
           ListBox1DblClick( 0 );
 }
}
//---------------------------------------------------------------------------
void __fastcall TCTapiz::FormCreate(TObject *Sender)
{
 TRegistry *Registro;
 Registro = new TRegistry;
    try {
     Registro -> OpenKey( "\\Software\\Microsoft\\Windows\\CurrentVersion\\Run", false );
     CheckBox1->Checked = Registro -> ValueExists( "CTapiz" );
     }catch(...){
      //do nothing
     }
    try {
     Registro -> OpenKey( "\\Software\\JDsoft\\CTapiz", true );
     CheckBox2->Checked = Registro -> ReadBool( "AutoChange" );
     UpDown1->Position = Registro->ReadInteger( "DelayTime" );
     }catch(...) {
       UpDown1->Position = 15;
     }
  delete Registro;

  Label1->Caption  = UpDown1->Position;
  Timer1->Interval = UpDown1->Position * 60 * 1000;
  Timer1->Enabled  = CheckBox2->Checked;

  if ( ! CheckBox1->Checked )
   Visible = true;
}
//---------------------------------------------------------------------------

void __fastcall TCTapiz::SwapActiveClick(TObject *Sender)
{
 TRegistry *Registro;
 Registro = new TRegistry;

 Registro -> OpenKey( "\\Software\\Microsoft\\Internet Explorer\\Toolbar", true );

  // Eliminamos la clave
  if ( ! SwapActive->Checked )
  {
   try {
     Registro -> DeleteValue( "BackBitmap" );
   } catch(...) {
    // ------
   }
  }

 delete Registro;
}
//---------------------------------------------------------------------------
void __fastcall TCTapiz::SwapFunctionClick(TObject *Sender)
{
 WallPaper_Toolbar = !WallPaper_Toolbar;
 if ( WallPaper_Toolbar )
 {
  SwapActive->Enabled = false;
  SwapFunction->Caption = "Barra de Herramientas";
  RefreshYescoge(0);
 } else {
  SwapActive->Enabled = true;
  SwapFunction->Caption = "Tapiz del Escritorio";
  RefreshYescoge(0);
 }
}
//---------------------------------------------------------------------------
void TCTapiz::PonToolBar( AnsiString Tapiz )
{
 TRegistry *Registro;
 Registro = new TRegistry;

 // Borramos la entrada antigua...

 Registro -> OpenKey( "\\Software\\JDsoft\\CTapiz", true );
 try {
    remove( (Registro -> ReadString( "ToolBarBitmap" )).c_str() );
 } catch(...) {
  /// nothing
 }
 if ( Tapiz.Pos( "_ctapiz_JPG2BMP.bmp" ) != 0 )
    Registro -> WriteString( "ToolBarBitmap", Tapiz );

 Registro -> OpenKey( "\\Software\\Microsoft\\Internet Explorer\\Toolbar", true );
 Registro -> WriteString( "BackBitmap", Tapiz );
/*
 SystemParametersInfo( SPI_SETDESKWALLPAPER, 0, Tapiz.c_str(), SPIF_UPDATEINIFILE );
 SystemParametersInfo( SPI_SETDESKWALLPAPER, 0, Tapiz.c_str(), 0	 );
*/
 delete Registro;
}
//---------------------------------------------------------------------------
void __fastcall TCTapiz::Timer1Timer(TObject *Sender)
{
 if ( ! WallPaper_Toolbar )
 {
  SwapFunctionClick(0);
  SwapFunctionClick(0);
 } else
  RefreshYescoge(0);
}
//---------------------------------------------------------------------------