    // @(#)root/gui:$Name:  $:$Id: TGTextEditDialogs.cxx,v 1.8 2004/12/15 09:27:48 rdm Exp $
    // Author: Fons Rademakers   10/7/2000

    /*************************************************************************
     * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
     * All rights reserved.                                                  *
     *                                                                       *
     * For the licensing terms see $ROOTSYS/LICENSE.                         *
     * For the list of contributors see $ROOTSYS/README/CREDITS.             *
     *************************************************************************/
    /**************************************************************************

        This source is based on Xclass95, a Win95-looking GUI toolkit.
        Copyright (C) 1996, 1997 David Barth, Ricky Ralston, Hector Peraza.

        Xclass95 is free software; you can redistribute it and/or
        modify it under the terms of the GNU Library General Public
        License as published by the Free Software Foundation; either
        version 2 of the License, or (at your option) any later version.

    **************************************************************************/

    //////////////////////////////////////////////////////////////////////////
    //                                                                      //
    // TGTextEditDialogs                                                    //
    //                                                                      //
    // This file defines several dialogs that are used by the TGTextEdit    //
    // widget via its associated context popup menu.                        //
    // The following dialogs are available: TGSearchDialog, TGGotoDialog    //
    // and TGPrintDialog.                                                   //
    //                                                                      //
    //////////////////////////////////////////////////////////////////////////

    #include "TGTextEditDialogs.h"
    #include "TGButton.h"
    #include "TGLabel.h"
    #include "TGTextEntry.h"
    #include "TGIcon.h"
    #include "TGMsgBox.h"

    #include <stdlib.h>

    ClassImp(TGSearchDialog)
    ClassImp(TGPrintDialog)
    ClassImp(TGGotoDialog)

    //______________________________________________________________________________
    TGSearchDialog::TGSearchDialog(const TGWindow *p, const TGWindow *main,
                                   UInt_t w, UInt_t h, TGSearchType *sstruct,
                                   Int_t *ret_code, UInt_t options) :
         TGTransientFrame(p, main, w, h, options)
    {
       // Create a search dialog box. Used to get from the user the required
       // search instructions. Ret_code is kTRUE when sstruct has been set,
       // kFALSE otherwise (like when dialog was canceled).

       fRetCode = ret_code;
       fType = sstruct;

       ChangeOptions((GetOptions() & ~kVerticalFrame) | kHorizontalFrame);

       fF1 = new TGCompositeFrame(this, 60, 20, kVerticalFrame | kFixedWidth);
       fF2 = new TGCompositeFrame(this, 60, 20, kVerticalFrame);
       fF3 = new TGCompositeFrame(fF2, 60, 20, kHorizontalFrame);
       fF4 = new TGCompositeFrame(fF2, 60, 20, kHorizontalFrame);

       fSearchButton = new TGTextButton(fF1, new TGHotString("&Search"), 1);
       fCancelButton = new TGTextButton(fF1, new TGHotString("&Cancel"), 2);
       fF1->Resize(fSearchButton->GetDefaultWidth()+40, GetDefaultHeight());

       fSearchButton->Associate(this);
       fCancelButton->Associate(this);

       fL1 = new TGLayoutHints(kLHintsTop | kLHintsExpandX, 2, 2, 3, 0);
       fL2 = new TGLayoutHints(kLHintsTop | kLHintsRight | kLHintsExpandX,
                               2, 5, 0, 2);
       fL21 = new TGLayoutHints(kLHintsTop | kLHintsRight, 2, 5, 10, 0);

       fF1->AddFrame(fSearchButton, fL1);
       fF1->AddFrame(fCancelButton, fL1);

       AddFrame(fF1, fL21);

       fLSearch = new TGLabel(fF3, new TGHotString("Search &for:"));

       fBSearch = new TGTextBuffer(100);
       if (fType->fBuffer)
          fBSearch->AddText(0,fType->fBuffer);
       else
          fSearchButton->SetState(kButtonDisabled);

       fSearch = new TGTextEntry(fF3, fBSearch);
       fSearch->Associate(this);
       fSearch->Resize(220, fSearch->GetDefaultHeight());
       fSearch->SelectAll();

       fL5 = new TGLayoutHints(kLHintsLeft | kLHintsCenterY, 3, 5, 0, 0);
       fL6 = new TGLayoutHints(kLHintsLeft | kLHintsCenterY, 0, 2, 0, 0);

       fF3->AddFrame(fLSearch, fL5);
       fF3->AddFrame(fSearch, fL6);

       fG2 = new TGGroupFrame(fF4, new TGString("Direction"), kHorizontalFrame);

       fL3 = new TGLayoutHints(kLHintsTop | kLHintsRight, 2, 2, 2, 2);
       fL9 = new TGLayoutHints(kLHintsBottom | kLHintsLeft, 0, 0, 0, 0);
       fL4 = new TGLayoutHints(kLHintsBottom | kLHintsLeft, 0, 0, 5, 0);
       fL10 = new TGLayoutHints(kLHintsBottom | kLHintsRight, 0, 0, 5, 0);

       fCaseCheck = new TGCheckButton(fF4, new TGHotString("&Case sensitive"), 1);
       fCaseCheck->Associate(this);
       fF4->AddFrame(fCaseCheck, fL9);

       fDirectionRadio[0] = new TGRadioButton(fG2, new TGHotString("Forward"),  1);
       fDirectionRadio[1] = new TGRadioButton(fG2, new TGHotString("Backward"), 2);

       fG2->AddFrame(fDirectionRadio[0], fL4);
       fG2->AddFrame(fDirectionRadio[1], fL10);
       fDirectionRadio[0]->Associate(this);
       fDirectionRadio[1]->Associate(this);

       if (fType->fCaseSensitive == kFALSE)
          fCaseCheck->SetState(kButtonUp);
       else
          fCaseCheck->SetState(kButtonDown);

       if (fType->fDirection)
          fDirectionRadio[0]->SetState(kButtonDown);
       else
          fDirectionRadio[1]->SetState(kButtonDown);

       fF4->AddFrame(fG2, fL3);

       fF2->AddFrame(fF3, fL1);
       fF2->AddFrame(fF4, fL1);

       AddFrame(fF2, fL2);

       MapSubwindows();
       Resize(GetDefaultSize());

       CenterOnParent();

       SetWindowName("Search");
       SetIconName("Search");

       SetMWMHints(kMWMDecorAll | kMWMDecorMaximize | kMWMDecorMenu,
                   kMWMFuncAll | kMWMFuncMaximize | kMWMFuncResize,
                   kMWMInputModeless);

       MapWindow();
       fClient->WaitFor(this);
    }

    //______________________________________________________________________________
    TGSearchDialog::~TGSearchDialog()
    {
       // Clean up search dialog.

       delete fSearchButton;
       delete fCancelButton;
       delete fDirectionRadio[0]; delete fDirectionRadio[1];
       delete fCaseCheck;
       delete fSearch;
       delete fLSearch;
       delete fG2;
       delete fF1; delete fF2; delete fF3; delete fF4;
       delete fL1; delete fL2; delete fL3; delete fL4; delete fL5; delete fL6;
       delete fL21;delete fL9; delete fL10;
    }

    //______________________________________________________________________________
    void TGSearchDialog::CloseWindow()
    {
       // Close the dialog. On close the dialog will be deleted and cannot be
       // re-used.

       DeleteWindow();
    }

    //______________________________________________________________________________
    Bool_t TGSearchDialog::ProcessMessage(Long_t msg, Long_t parm1, Long_t)
    {
       // Process search dialog widget messages.

       const char *string;

       switch (GET_MSG(msg)) {
          case kC_COMMAND:
             switch (GET_SUBMSG(msg)) {
                case kCM_BUTTON:
                   switch (parm1) {
                      case 1:
                         string = fBSearch->GetString();
                         fType->fBuffer = new char[strlen(string)+1];
                         strcpy(fType->fBuffer, string);
                         *fRetCode = kTRUE;
                         CloseWindow();
                         break;
                      case 2:
                         *fRetCode = kFALSE;
                         CloseWindow();
                         break;
                   }
                   break;

                case kCM_CHECKBUTTON:
                   fType->fCaseSensitive = !fType->fCaseSensitive;
                   break;

                case kCM_RADIOBUTTON:
                   switch (parm1) {
                      case 1:
                         fType->fDirection = kTRUE;
                         fDirectionRadio[1]->SetState(kButtonUp);
                         break;
                      case 2:
                         fType->fDirection = kFALSE;
                         fDirectionRadio[0]->SetState(kButtonUp);
                         break;
                   }
                   break;

                default:
                   break;
             }
             break;

          case kC_TEXTENTRY:
             switch (GET_SUBMSG(msg)) {
                case kTE_TEXTCHANGED:
                   string = fBSearch->GetString();
                   if (strlen(string) == 0)
                      fSearchButton->SetState(kButtonDisabled);
                   else
                      fSearchButton->SetState(kButtonUp);
                   break;
                case kTE_ENTER:
                   string = fBSearch->GetString();
                   fType->fBuffer = new char[strlen(string)+1];
                   strcpy(fType->fBuffer, string);
                   *fRetCode = kTRUE;
                   CloseWindow();
                   break;
                default:
                   break;
             }
             break;

          default:
             break;
       }

       return kTRUE;
    }

    //______________________________________________________________________________
    TGPrintDialog::TGPrintDialog(const TGWindow *p, const TGWindow *main,
                                 UInt_t w, UInt_t h, char **printerName,
                                 char **printProg, Int_t *ret_code,
                                 UInt_t options) :
       TGTransientFrame(p, main, w, h, options)
    {
       // Create the printer dialog box. Returns kTRUE in ret_code when
       // printerName and printProg have been set and cancel was not pressed,
       // kFALSE otherwise.

       fPrinter      = printerName;
       fPrintCommand = printProg;
       fRetCode      = ret_code;

       ChangeOptions((GetOptions() & ~kVerticalFrame) | kHorizontalFrame);

       fF1 = new TGCompositeFrame(this, 60, 20, kVerticalFrame | kFixedWidth);
       fF5 = new TGCompositeFrame(this, 60, 20, kHorizontalFrame);
       fF2 = new TGCompositeFrame(this, 60, 20, kVerticalFrame);
       fF3 = new TGCompositeFrame(fF2,  60, 20, kHorizontalFrame);
       fF4 = new TGCompositeFrame(fF2,  60, 20, kHorizontalFrame);

       fPrintButton  = new TGTextButton(fF1, new TGHotString("&Print"), 1);
       fCancelButton = new TGTextButton(fF1, new TGHotString("&Cancel"), 2);
       fF1->Resize(fPrintButton->GetDefaultWidth()+40, GetDefaultHeight());

       fPrintButton->Associate(this);
       fCancelButton->Associate(this);

       fL1 = new TGLayoutHints(kLHintsTop | kLHintsExpandX, 2, 2, 2, 0);
       fL2 = new TGLayoutHints(kLHintsTop | kLHintsRight | kLHintsExpandX,
                               2, 5, 0, 2);
       fL21 = new TGLayoutHints(kLHintsTop | kLHintsRight, 2, 5, 10, 0);

       fF1->AddFrame(fPrintButton, fL1);
       fF1->AddFrame(fCancelButton, fL1);
       AddFrame(fF1, fL21);

       fLPrintCommand = new TGLabel(fF3, new TGHotString("Print command:"));
       fBPrintCommand = new TGTextBuffer(50);
       fBPrintCommand->AddText(0, *printProg);
       fPrintCommandEntry = new TGTextEntry(fF3, fBPrintCommand);
       fPrintCommandEntry->Associate(this);
       fPrintCommandEntry->Resize(100, fPrintCommandEntry->GetDefaultHeight());
       fL5 = new TGLayoutHints(kLHintsLeft | kLHintsCenterY, 3, 5, 0, 0);
       fL6 = new TGLayoutHints(kLHintsRight | kLHintsCenterY, 0, 2, 0, 0);

       fF3->AddFrame(fLPrintCommand, fL5);
       fF3->AddFrame(fPrintCommandEntry, fL6);

       fLPrinter = new TGLabel(fF4, new TGHotString("Printer:"));
       fBPrinter = new TGTextBuffer(20);
       fBPrinter->AddText(0, *printerName);
       fPrinterEntry = new TGTextEntry(fF4, fBPrinter);
       fPrinterEntry->Associate(this);
       fPrinterEntry->Resize(100, fPrinterEntry->GetDefaultHeight());
       fF4->AddFrame(fLPrinter, fL5);
       fF4->AddFrame(fPrinterEntry, fL6);

       fL3 = new TGLayoutHints(kLHintsTop | kLHintsRight, 2, 2, 2, 2);
       fL7 = new TGLayoutHints(kLHintsLeft, 10, 10, 10, 10);

       fF2->AddFrame(fF3, fL1);
       fF2->AddFrame(fF4, fL1);

       const TGPicture *printerPicture = fClient->GetPicture("printer_s.xpm");
       if (!printerPicture) {
          Error("TGPrintDialog", "printer_s.xpm not found");
          fPrinterIcon = 0;
       } else {
          fPrinterIcon = new TGIcon(fF5, printerPicture, 32, 32);
          fF5->AddFrame(fPrinterIcon, fL7);
       }
       fF5->AddFrame(fF2, fL21);
       AddFrame(fF5, fL21);

       MapSubwindows();
       Resize(GetDefaultSize());

       CenterOnParent();

       SetWindowName("Print");
       SetIconName("Print");

       SetMWMHints(kMWMDecorAll | kMWMDecorMaximize | kMWMDecorMenu,
                   kMWMFuncAll | kMWMFuncMaximize | kMWMFuncResize,
                   kMWMInputModeless);

       MapWindow();
       fClient->WaitFor(this);
    }

    //______________________________________________________________________________
    TGPrintDialog::~TGPrintDialog()
    {
       // Clean up print dialog.

       delete fPrinterIcon;
       delete fPrintButton;
       delete fCancelButton;
       delete fPrinterEntry;       // deletes also fBPrinter
       delete fPrintCommandEntry;  // deletes also fBPrintCommand
       delete fLPrinter; delete fLPrintCommand;
       delete fF1; delete fF2; delete fF3; delete fF4; delete fF5;
       delete fL1; delete fL2; delete fL3; delete fL5; delete fL6; delete fL7;
       delete fL21;
    }

    //______________________________________________________________________________
    void TGPrintDialog::CloseWindow()
    {
       // Close the dialog. On close the dialog will be deleted and cannot be
       // re-used.

      DeleteWindow();
    }

    //______________________________________________________________________________
    Bool_t TGPrintDialog::ProcessMessage(Long_t msg, Long_t parm1, Long_t)
    {
       // Process print dialog widget messages.

       const char *string, *txt;

       switch (GET_MSG(msg)) {
          case kC_COMMAND:
             switch (GET_SUBMSG(msg)) {
                case kCM_BUTTON:
                   switch (parm1) {
                      case 1:
                         *fRetCode = kTRUE;
                         string = fBPrinter->GetString();
                         delete [] *fPrinter;
                         *fPrinter = new char[strlen(string)+1];
                         strcpy(*fPrinter, string);

                         string = fBPrintCommand->GetString();
                         delete [] *fPrintCommand;
                         *fPrintCommand = new char[strlen(string)+1];
                         strcpy(*fPrintCommand, string);

                         if (fBPrintCommand->GetTextLength() == 0) {
                            txt = "Please provide print command or use \"Cancel\"";
                            new TGMsgBox(fClient->GetRoot(), GetMainFrame(),
                                         "Missing Print Parameters", txt, kMBIconExclamation,
                                          kMBOk);
                            return kTRUE;
                         }
                         CloseWindow();
                         break;
                      case 2:
                         *fRetCode = kFALSE;
                         CloseWindow();
                         break;
                   }
                   break;
             }
             break;

          default:
             break;
       }

       return kTRUE;
    }

    //______________________________________________________________________________
     TGGotoDialog::TGGotoDialog(const TGWindow *p, const TGWindow *main,
                               UInt_t w, UInt_t h, Long_t *ret_code,
                               UInt_t options) :
       TGTransientFrame(p, main, w, h, options)
    {
       // Create a dialog to GoTo a specific line number. Returns -1 in
       // ret_code in case no valid line number was given or in case
       // cancel was pressed. If on input *ret_code is > 0 then this value
       // will be used as default value.

       fRetCode = ret_code;

       ChangeOptions((GetOptions() & ~kVerticalFrame) | kHorizontalFrame);

       fF1 = new TGCompositeFrame(this, 60, 20, kVerticalFrame | kFixedWidth);
       fF2 = new TGCompositeFrame(this, 60, 20, kHorizontalFrame);

       fGotoButton = new TGTextButton(fF1, new TGHotString("&Goto"), 1);
       fCancelButton = new TGTextButton(fF1, new TGHotString("&Cancel"), 2);
       fF1->Resize(fGotoButton->GetDefaultWidth()+40, GetDefaultHeight());

       fGotoButton->Associate(this);
       fCancelButton->Associate(this);

       fL1 = new TGLayoutHints(kLHintsTop | kLHintsExpandX, 2, 2, 3, 0);
       fL21 = new TGLayoutHints(kLHintsTop | kLHintsRight, 2, 5, 10, 0);

       fF1->AddFrame(fGotoButton, fL1);
       fF1->AddFrame(fCancelButton, fL1);
       AddFrame(fF1, fL21);

       fLGoTo = new TGLabel(fF2, new TGHotString("&Goto Line:"));

       fBGoTo = new TGTextBuffer(50);
       if (*fRetCode > 0) {
          char curline[32];
          sprintf(curline, "%ld", *fRetCode);
          fBGoTo->AddText(0, curline);
       } else
          fGotoButton->SetState(kButtonDisabled);
       fGoTo = new TGTextEntry(fF2, fBGoTo);
       fGoTo->Associate(this);
       fGoTo->Resize(220, fGoTo->GetDefaultHeight());
       fGoTo->SelectAll();

       fL5 = new TGLayoutHints(kLHintsLeft | kLHintsCenterY, 3, 5, 0, 0);
       fL6 = new TGLayoutHints(kLHintsLeft | kLHintsCenterY, 0, 2, 0, 0);

       fF2->AddFrame(fLGoTo, fL5);
       fF2->AddFrame(fGoTo, fL5);
       AddFrame(fF2, fL1);

       MapSubwindows();
       Resize(GetDefaultSize());

       CenterOnParent();

       SetWindowName("Goto");
       SetIconName("Print");

       SetMWMHints(kMWMDecorAll | kMWMDecorMaximize | kMWMDecorMenu,
                   kMWMFuncAll | kMWMFuncMaximize | kMWMFuncResize,
                   kMWMInputModeless);

       MapWindow();
       fClient->WaitFor(this);
    }

    //______________________________________________________________________________
     TGGotoDialog::~TGGotoDialog()
    {
       // Clean up goto dialog

       delete fGotoButton;
       delete fCancelButton;
       delete fGoTo;
       delete fLGoTo;
       delete fF1; delete fF2;
       delete fL1; delete fL5; delete fL6; delete fL21;
    }

    //______________________________________________________________________________
     void TGGotoDialog::CloseWindow()
    {
       // Close the dialog. On close the dialog will be deleted and cannot be
       // re-used.

       DeleteWindow();
    }

    //______________________________________________________________________________
     Bool_t TGGotoDialog::ProcessMessage(Long_t msg, Long_t parm1, Long_t)
    {
       const char *string;

       switch (GET_MSG(msg)) {
          case kC_COMMAND:
             switch (GET_SUBMSG(msg)) {
                case kCM_BUTTON:
                   switch (parm1) {
                      case 1:
                         string = fBGoTo->GetString();
    #ifdef R__SOLARIS_CC50
                         *fRetCode = (Long_t) std::atof(string);
    #else
                         *fRetCode = (Long_t) atof(string);
    #endif
                         CloseWindow();
                         break;
                      case 2:
                         *fRetCode = -1;
                         CloseWindow();
                         break;
                   }
                   break;

                default:
                   break;
             }
             break;

          case kC_TEXTENTRY:
             switch (GET_SUBMSG(msg)) {
                case kTE_TEXTCHANGED:
                   string = fBGoTo->GetString();
                   if (strlen(string) == 0)
                      fGotoButton->SetState(kButtonDisabled);
                   else
                      fGotoButton->SetState(kButtonUp);
                   break;
                case kTE_ENTER:
                   string = fBGoTo->GetString();
    #ifdef R__SOLARIS_CC50
                   *fRetCode = (Long_t) std::atof(string);
    #else
                   *fRetCode = (Long_t) atof(string);
    #endif
                   CloseWindow();
                   break;
                default:
                   break;
             }
             break;

          default:
             break;
       }

       return kTRUE;
    }