90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
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//---------------------------------------------------------------------------
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#include <vcl.h>
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#pragma hdrstop
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#include "Unit2.h"
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//---------------------------------------------------------------------------
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#pragma package(smart_init)
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#pragma link "cxControls"
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#pragma link "dxLayoutControl"
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#pragma link "dxLayoutLookAndFeels"
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#pragma resource "*.dfm"
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TForm1 *Form1;
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//---------------------------------------------------------------------------
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__fastcall TForm1::TForm1(TComponent* Owner)
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: TForm(Owner)
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{
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::FormCreate(TObject *Sender)
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{
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FActiveScreen = -1;
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FLastActiveScreen = -1;
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ActiveScreen = 0;
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}
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//---------------------------------------------------------------------------
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TdxLayoutControl* __fastcall TForm1::GetLayoutControl(int AIndex)
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{
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switch (AIndex)
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{
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case 0: return lcMain;
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case 1: return lcVCL;
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case 2: return lcActiveX;
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case 3: return lcNET;
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default : return NULL;
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}
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::SetActiveScreen(int Value)
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{
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if (FActiveScreen != Value)
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{
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if (GetLayoutControl(FActiveScreen) != NULL)
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GetLayoutControl(FActiveScreen)->Visible = false;
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FLastActiveScreen = FActiveScreen;
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FActiveScreen = Value;
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lcBackgroundSiteItem->Control = GetLayoutControl(FActiveScreen);
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RefreshEnableds();
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}
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::GoBack()
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{
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ActiveScreen = 0;
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::GoForward()
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{
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ActiveScreen = LastActiveScreen;
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::RefreshEnableds()
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{
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sbGoBack->Enabled = (ActiveScreen > 0);
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sbGoForward->Enabled = (LastActiveScreen > 0);
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::dxLayoutGroup1CaptionClick(TObject *Sender)
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{
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ActiveScreen = ((TdxLayoutGroup*)Sender)->Tag;
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::sbGoBackClick(TObject *Sender)
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{
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GoBack();
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}
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//---------------------------------------------------------------------------
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void __fastcall TForm1::sbGoForwardClick(TObject *Sender)
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{
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GoForward();
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}
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//---------------------------------------------------------------------------
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