TAxisEditor.cxx

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// @(#)root/ged:$Id$
// Author: Ilka Antcheva   11/05/04
 
/*************************************************************************
 * Copyright (C) 1995-2002, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
 
/** \class TAxisEditor
    \ingroup ged
 
Implements GUI for axis attributes.
 axis color
 ticks parameters: length, setting on both axis sides,
 logarithmic or linear scale along the selected axis,
 primary, secondary and tertiary axis divisions,
 setting more logarithmic labels,
 optimizing labels' position if available
 axis title - a title can be added via the text entry field
 and can be set to be centered or rotated via the corresponding
 check buttons, the title color, offset, font can be set easily
 axis labels - their color, size, offset can be set similarly,
 in addition there is a check box for no exponent choice,
 and another one for setting the same decimal part for all labels
 
 
*/
 
 
#include "TAxisEditor.h"
#include "TAxis.h"
#include "TGedEditor.h"
#include "TGColorSelect.h"
#include "TGComboBox.h"
#include "TGNumberEntry.h"
#include "TGTextEntry.h"
#include "TGLabel.h"
#include "TColor.h"
#include "TVirtualPad.h"
#include "TStyle.h"
 
 
enum EAxisWid {
   kCOL_AXIS,
   kCOL_TIT,
   kCOL_LBL,
   kFONT_TIT,
   kFONT_LBL,
   kTITLE,
   kAXIS_TICKS,
   kAXIS_DIV1,
   kAXIS_DIV2,
   kAXIS_DIV3,
   kAXIS_OPTIM,
   kAXIS_LOG,
   kAXIS_TITSIZE,
   kAXIS_TITOFFSET,
   kAXIS_CENTERED,
   kAXIS_ROTATED,
   kAXIS_LBLSIZE,
   kAXIS_LBLOFFSET,
   kAXIS_TICKSBOTH,
   kAXIS_LBLLOG,
   kAXIS_LBLEXP,
   kAXIS_LBLDIR,
   kAXIS_LBLSORT,
   kAXIS_LBLDEC
};
 
 
////////////////////////////////////////////////////////////////////////////////
/// Constructor of axis attribute GUI.
 
TAxisEditor::TAxisEditor(const TGWindow *p, Int_t width,
                         Int_t height, UInt_t options, Pixel_t back)
  : TGedFrame(p, width, height, options | kVerticalFrame, back)
{
   fAxis = 0;
 
   MakeTitle("Axis");
 
   TGCompositeFrame *f2 = new TGCompositeFrame(this, 80, 20, kHorizontalFrame);
   fAxisColor = new TGColorSelect(f2, 0, kCOL_AXIS);
   f2->AddFrame(fAxisColor, new TGLayoutHints(kLHintsLeft, 1, 1, 1, 1));
   fAxisColor->Associate(this);
   TGLabel *fTicksLabel = new TGLabel(f2, "Ticks:");
   f2->AddFrame(fTicksLabel, new TGLayoutHints(kLHintsLeft | kLHintsCenterY, 3, 0, 1, 1));
   fTickLength = new TGNumberEntry(f2, 0.03, 5, kAXIS_TICKS,
                                       TGNumberFormat::kNESRealTwo,
                                       TGNumberFormat::kNEAAnyNumber,
                                       TGNumberFormat::kNELLimitMinMax,-1.,1.);
   fTickLength->GetNumberEntry()->SetToolTipText("Set ticks' length");
   f2->AddFrame(fTickLength, new TGLayoutHints(kLHintsLeft, 1, 1, 1, 1));
   AddFrame(f2, new TGLayoutHints(kLHintsTop, 1, 1, 0, 0));
 
   TGCompositeFrame *f3 = new TGCompositeFrame(this, 80, 20, kHorizontalFrame);
   TGCompositeFrame *f4a = new TGCompositeFrame(f3, 40, 20, kVerticalFrame);
   f3->AddFrame(f4a, new TGLayoutHints(kLHintsTop, 0, 1, 0, 0));
   fTicksBoth = new TGCheckButton(f4a, "+-", kAXIS_TICKSBOTH);
   fTicksBoth->SetToolTipText("Draw ticks on both axis sides");
   f4a->AddFrame(fTicksBoth, new TGLayoutHints(kLHintsLeft | kLHintsBottom, 3, 1, 1, 0));
   fLogAxis = new TGCheckButton(f4a, "Log", kAXIS_LOG);
   fLogAxis->SetToolTipText("Draw logarithmic scale");
   f4a->AddFrame(fLogAxis, new TGLayoutHints(kLHintsLeft | kLHintsBottom, 3, 1, 0, 0));
 
   TGCompositeFrame *f4b = new TGCompositeFrame(f3, 40, 20, kVerticalFrame);
   f3->AddFrame(f4b, new TGLayoutHints(kLHintsTop, 0, 1, 0, 0));
   fOptimize = new TGCheckButton(f4b, "Optimize", kAXIS_OPTIM);
   fOptimize->SetState(kButtonDown);
   fOptimize->SetToolTipText("Optimize the number of axis divisions");
   f4b->AddFrame(fOptimize, new TGLayoutHints(kLHintsTop, 17, 1, 1, 0));
   fMoreLog = new TGCheckButton(f4b, "MoreLog", kAXIS_LBLLOG);
   fMoreLog->SetToolTipText("Draw more logarithmic labels");
   f4b->AddFrame(fMoreLog, new TGLayoutHints(kLHintsLeft, 17, 1, 0, 0));
 
   AddFrame(f3, new TGLayoutHints(kLHintsTop, 1, 1, 0, 0));
 
   TGCompositeFrame *f5 = new TGCompositeFrame(this, 80, 20, kHorizontalFrame);
   fDiv3 = new TGNumberEntry(f5, 10, 2,kAXIS_DIV1, TGNumberFormat::kNESInteger,
                                       TGNumberFormat::kNEANonNegative,
                                       TGNumberFormat::kNELLimitMinMax, 0, 99);
   fDiv3->GetNumberEntry()->SetToolTipText("Tertiary axis divisions");
   f5->AddFrame(fDiv3, new TGLayoutHints(kLHintsLeft, 27, 0, 1, 1));
   fDiv2 = new TGNumberEntry(f5, 5, 2, kAXIS_DIV2, TGNumberFormat::kNESInteger,
                                       TGNumberFormat::kNEANonNegative,
                                       TGNumberFormat::kNELLimitMinMax, 0, 99);
   fDiv2->GetNumberEntry()->SetToolTipText("Secondary axis divisions");
   f5->AddFrame(fDiv2, new TGLayoutHints(kLHintsLeft, 1, 0, 1, 1));
   fDiv1 = new TGNumberEntry(f5, 0, 2, kAXIS_DIV3, TGNumberFormat::kNESInteger,
                                       TGNumberFormat::kNEANonNegative,
                                       TGNumberFormat::kNELLimitMinMax, 0, 99);
   fDiv1->GetNumberEntry()->SetToolTipText("Primary axis divisions");
   f5->AddFrame(fDiv1, new TGLayoutHints(kLHintsLeft | kLHintsCenterY, 1, 1, 1, 1));
   AddFrame(f5, new TGLayoutHints(kLHintsLeft, 1, 1, 4, 4));
   fTicksFlag = 1;
 
   MakeTitle("Title");
 
   fTitlePrec = 2;
   fTitle = new TGTextEntry(this, new TGTextBuffer(50), kTITLE);
   fTitle->Resize(135, fTitle->GetDefaultHeight());
   fTitle->SetToolTipText("Enter the axis title string");
   AddFrame(fTitle, new TGLayoutHints(kLHintsLeft, 3, 1, 2, 1));
 
   TGCompositeFrame *f6 = new TGCompositeFrame(this, 80, 20, kHorizontalFrame);
   fTitleColor = new TGColorSelect(f6, 0, kCOL_TIT);
   f6->AddFrame(fTitleColor, new TGLayoutHints(kLHintsLeft, 1, 1, 1, 1));
   fTitleColor->Associate(this);
   TGLabel *fSizeLbl1 = new TGLabel(f6, "Size:");
   f6->AddFrame(fSizeLbl1, new TGLayoutHints(kLHintsCenterY | kLHintsLeft, 6, 1, 1, 1));
   fTitleSize = new TGNumberEntry(f6, 0.05, 5, kAXIS_TITSIZE,
                                      TGNumberFormat::kNESRealTwo,
                                      TGNumberFormat::kNEANonNegative,
                                      TGNumberFormat::kNELLimitMinMax, 0., 1.);
   fTitleSize->GetNumberEntry()->SetToolTipText("Set title size");
   f6->AddFrame(fTitleSize, new TGLayoutHints(kLHintsLeft, 1, 1, 1, 1));
   AddFrame(f6, new TGLayoutHints(kLHintsTop, 1, 1, 0, 0));
 
   fTitleFont = new TGFontTypeComboBox(this, kFONT_TIT);
   fTitleFont->Resize(137, 20);
   AddFrame(fTitleFont, new TGLayoutHints(kLHintsLeft, 3, 1, 2, 1));
 
   TGCompositeFrame *f7 = new TGCompositeFrame(this, 80, 20, kHorizontalFrame);
   fCentered = new TGCheckButton(f7, "Centered", kAXIS_CENTERED);
   fCentered->SetToolTipText("Center axis title");
   f7->AddFrame(fCentered, new TGLayoutHints(kLHintsTop, 3, 1, 1, 0));
   TGLabel *fOffsetLbl = new TGLabel(f7, "Offset:");
   f7->AddFrame(fOffsetLbl, new TGLayoutHints(kLHintsLeft, 23, 1, 3, 0));
   AddFrame(f7, new TGLayoutHints(kLHintsTop, 1, 1, 0, 0));
 
   TGCompositeFrame *f8 = new TGCompositeFrame(this, 80, 20, kHorizontalFrame);
   fRotated = new TGCheckButton(f8, "Rotated", kAXIS_ROTATED);
   fRotated->SetState(kButtonDown);
   fRotated->SetToolTipText("Rotate axis title by 180 degrees");
   f8->AddFrame(fRotated, new TGLayoutHints(kLHintsTop, 3, 1, 6, 0));
   fTitleOffset = new TGNumberEntry(f8, 1.00, 6, kAXIS_TITOFFSET,
                                        TGNumberFormat::kNESRealTwo,
                                        TGNumberFormat::kNEAAnyNumber,
                                        TGNumberFormat::kNELLimitMinMax, 0.1, 10.);
   fTitleOffset->GetNumberEntry()->SetToolTipText("Set title offset");
   f8->AddFrame(fTitleOffset, new TGLayoutHints(kLHintsLeft, 6, 1, 0, 0));
   AddFrame(f8, new TGLayoutHints(kLHintsTop, 1, 1, 0, 4));
 
   MakeTitle("Labels");
 
   fLabelPrec = 2;
   TGCompositeFrame *f9 = new TGCompositeFrame(this, 80, 20, kHorizontalFrame);
   fLabelColor = new TGColorSelect(f9, 0, kCOL_LBL);
   f9->AddFrame(fLabelColor, new TGLayoutHints(kLHintsLeft, 1, 1, 1, 1));
   fLabelColor->Associate(this);
   TGLabel *fSizeLbl2 = new TGLabel(f9, "Size:");
   f9->AddFrame(fSizeLbl2, new TGLayoutHints(kLHintsCenterY | kLHintsLeft, 1, 0, 1, 1));
   fLabelSize = new TGNumberEntry(f9, 0.05, 6, kAXIS_LBLSIZE,
                                      TGNumberFormat::kNESRealTwo,
                                      TGNumberFormat::kNEANonNegative,
                                      TGNumberFormat::kNELLimitMinMax, 0., 1.);
   fLabelSize->GetNumberEntry()->SetToolTipText("Set labels' size");
   f9->AddFrame(fLabelSize, new TGLayoutHints(kLHintsLeft, 1, 1, 1, 1));
   AddFrame(f9, new TGLayoutHints(kLHintsTop, 1, 1, 0, 0));
 
   TGCompositeFrame *f10 = new TGCompositeFrame(this, 80, 20, kHorizontalFrame);
   fNoExponent = new TGCheckButton(f10, "NoExp", kAXIS_LBLEXP);
   fNoExponent->SetToolTipText("Labels drawn without exponent notation");
   f10->AddFrame(fNoExponent, new TGLayoutHints(kLHintsLeft | kLHintsCenterY, 3, 1, 8, 0));
   fLabelOffset = new TGNumberEntry(f10, 0.005, 6, kAXIS_LBLOFFSET,
                                         TGNumberFormat::kNESRealThree,
                                         TGNumberFormat::kNEAAnyNumber,
                                         TGNumberFormat::kNELLimitMinMax,-1.,1.);
   fLabelOffset->GetNumberEntry()->SetToolTipText("Set labels' offset");
   f10->AddFrame(fLabelOffset, new TGLayoutHints(kLHintsLeft, 11, 1, 3, 0));
   AddFrame(f10, new TGLayoutHints(kLHintsTop, 1, 1, 0, 0));
 
   fLabelFont = new TGFontTypeComboBox(this, kFONT_LBL);
   fLabelFont->Resize(137, 20);
   AddFrame(fLabelFont, new TGLayoutHints(kLHintsLeft, 3, 1, 2, 0));
   fLabelFont->Associate(this);
 
   fDecimal = new TGCheckButton(this, "Decimal labels' part", kAXIS_LBLDEC);
   fDecimal->SetToolTipText("Draw the decimal part of labels");
   AddFrame(fDecimal, new TGLayoutHints(kLHintsLeft | kLHintsBottom, 3, 1, 3, 0));
}
 
////////////////////////////////////////////////////////////////////////////////
/// Destructor of axis editor.
 
TAxisEditor::~TAxisEditor()
{
}
 
////////////////////////////////////////////////////////////////////////////////
/// Connect signals to slots.
 
void TAxisEditor::ConnectSignals2Slots()
{
   fAxisColor->Connect("ColorSelected(Pixel_t)", "TAxisEditor", this, "DoAxisColor(Pixel_t)");
   fTickLength->Connect("ValueSet(Long_t)", "TAxisEditor", this, "DoTickLength()");
   (fTickLength->GetNumberEntry())->Connect("ReturnPressed()", "TAxisEditor", this, "DoTickLength()");
   fTicksBoth->Connect("Toggled(Bool_t)","TAxisEditor",this,"DoTicks()");
   fOptimize->Connect("Toggled(Bool_t)","TAxisEditor",this,"DoDivisions()");
   fLogAxis->Connect("Toggled(Bool_t)","TAxisEditor",this,"DoLogAxis()");
   fMoreLog->Connect("Toggled(Bool_t)","TAxisEditor",this,"DoMoreLog()");
   fDiv3->Connect("ValueSet(Long_t)", "TAxisEditor", this, "DoDivisions()");
   (fDiv3->GetNumberEntry())->Connect("ReturnPressed()", "TAxisEditor", this, "DoDivisions()");
   fDiv2->Connect("ValueSet(Long_t)", "TAxisEditor", this, "DoDivisions()");
   (fDiv2->GetNumberEntry())->Connect("ReturnPressed()", "TAxisEditor", this, "DoDivisions()");
   fDiv1->Connect("ValueSet(Long_t)", "TAxisEditor", this, "DoDivisions()");
   (fDiv1->GetNumberEntry())->Connect("ReturnPressed()", "TAxisEditor", this, "DoDivisions()");
   fTitle->Connect("TextChanged(const char *)", "TAxisEditor", this, "DoTitle(const char *)");
   fTitleColor->Connect("ColorSelected(Pixel_t)", "TAxisEditor", this, "DoTitleColor(Pixel_t)");
   fTitleSize->Connect("ValueSet(Long_t)", "TAxisEditor", this, "DoTitleSize()");
   (fTitleSize->GetNumberEntry())->Connect("ReturnPressed()", "TAxisEditor", this, "DoTitleSize()");
   fTitleFont->Connect("Selected(Int_t)", "TAxisEditor", this, "DoTitleFont(Int_t)");
   fCentered->Connect("Toggled(Bool_t)","TAxisEditor",this, "DoTitleCentered()");
   fRotated->Connect("Toggled(Bool_t)","TAxisEditor",this,"DoTitleRotated()");
   fTitleOffset->Connect("ValueSet(Long_t)","TAxisEditor",this,"DoTitleOffset()");
   (fTitleOffset->GetNumberEntry())->Connect("ReturnPressed()","TAxisEditor",this,"DoTitleOffset()");
   fLabelColor->Connect("ColorSelected(Pixel_t)", "TAxisEditor", this, "DoLabelColor(Pixel_t)");
   fLabelSize->Connect("ValueSet(Long_t)","TAxisEditor",this,"DoLabelSize()");
   (fLabelSize->GetNumberEntry())->Connect("ReturnPressed()","TAxisEditor",this,"DoLabelSize()");
   fNoExponent->Connect("Toggled(Bool_t)","TAxisEditor",this,"DoNoExponent()");
   fDecimal->Connect("Toggled(Bool_t)","TAxisEditor",this,"DoDecimal(Bool_t)");
   fLabelOffset->Connect("ValueSet(Long_t)", "TAxisEditor", this, "DoLabelOffset()");
   (fLabelOffset->GetNumberEntry())->Connect("ReturnPressed()", "TAxisEditor", this, "DoLabelOffset()");
   fLabelFont->Connect("Selected(Int_t)", "TAxisEditor", this, "DoLabelFont(Int_t)");
   fInit = kFALSE;
}
 
////////////////////////////////////////////////////////////////////////////////
/// Pick up the used values of axis attributes.
 
void TAxisEditor::SetModel(TObject* obj)
{
   fAxis = (TAxis *)obj;
   fAvoidSignal = kTRUE;
 
   Color_t c = fAxis->GetAxisColor();
   Pixel_t p = TColor::Number2Pixel(c);
   fAxisColor->SetColor(p);
 
   Float_t fl = fAxis->GetTickLength();
   fTickLength->SetNumber(fl);
 
   Int_t div = fAxis->GetNdivisions();
   fDiv1->SetNumber(div % 100);
   fDiv2->SetNumber((div/100) % 100);
   fDiv3->SetNumber((div/10000) % 100);
 
 
   if ((!strcmp(fAxis->GetName(),"xaxis") && fGedEditor->GetPad()->GetLogx()) ||
       (!strcmp(fAxis->GetName(),"yaxis") && fGedEditor->GetPad()->GetLogy()) ||
       (!strcmp(fAxis->GetName(),"zaxis") && fGedEditor->GetPad()->GetLogz()))
 
      fLogAxis->SetState(kButtonDown);
   else fLogAxis->SetState(kButtonUp);
 
   if (fLogAxis->GetState() == kButtonUp) {
      fMoreLog->SetState(kButtonDisabled);
   } else {
      Int_t morelog = fAxis->GetMoreLogLabels();
      if (morelog) fMoreLog->SetState(kButtonDown);
      else         fMoreLog->SetState(kButtonUp);
   }
 
   const char *both = fAxis->GetTicks();
   if (!strcmp(both,"+-")) {
      fTicksBoth->SetState(kButtonDown);
   } else {
      fTicksBoth->SetState(kButtonUp);
      if (!strcmp(both,"-")) fTicksFlag = -1;
      if (!strcmp(both,"+")) fTicksFlag =  1;
   }
 
   const char *text = fAxis->GetTitle();
   fTitle->SetText(text);
 
   c = fAxis->GetTitleColor();
   p = TColor::Number2Pixel(c);
   fTitleColor->SetColor(p);
 
   fl = fAxis->GetTitleSize();
   fTitleSize->SetNumber(fl);
 
   Style_t font = fAxis->GetTitleFont();
   fTitleFont->Select(font / 10);
   fTitlePrec = (Int_t)(font % 10);
 
   fl = fAxis->GetTitleOffset();
   fTitleOffset->SetNumber(fl);
 
   Int_t centered = fAxis->GetCenterTitle();
   if (centered) fCentered->SetState(kButtonDown);
   else          fCentered->SetState(kButtonUp);
 
   Int_t rotated = fAxis->GetRotateTitle();
   if (rotated) fRotated->SetState(kButtonDown);
   else         fRotated->SetState(kButtonUp);
 
   c = fAxis->GetLabelColor();
   p = TColor::Number2Pixel(c);
   fLabelColor->SetColor(p);
 
   fl = fAxis->GetLabelSize();
   fLabelSize->SetNumber(fl);
 
   font = fAxis->GetLabelFont();
   fLabelFont->Select(font / 10);
   fLabelPrec = (Int_t)(font % 10);
 
   fl = fAxis->GetLabelOffset();
   fLabelOffset->SetNumber(fl);
 
   Int_t noexp = fAxis->GetNoExponent();
   if (noexp) fNoExponent->SetState(kButtonDown);
   else       fNoExponent->SetState(kButtonUp);
 
   Bool_t on = fAxis->GetDecimals();
   if (on) fDecimal->SetState(kButtonDown);
   else    fDecimal->SetState(kButtonUp);
 
   if (fInit) ConnectSignals2Slots();
   fAvoidSignal = kFALSE;
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the axis color.
 
void TAxisEditor::DoAxisColor(Pixel_t color)
{
   if (fAvoidSignal) return;
   fAxis->SetAxisColor(TColor::GetColor(color));
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the tick length settings.
 
void TAxisEditor::DoTickLength()
{
   if (fAvoidSignal) return;
   Float_t ticks = fTickLength->GetNumber();
   fAxis->SetTickLength(ticks);
   Update();
   if (fTickLength->GetNumber() < 0) fTicksFlag = -1;
   else fTicksFlag = 1;
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the ticks draw settings.
 
void TAxisEditor::DoTicks()
{
   if (fAvoidSignal) return;
   if (fTicksBoth->GetState() == kButtonDown) {
      fAxis->SetTicks("+-");
   } else {
      if (fTicksFlag == -1) fAxis->SetTicks("-");
      else fAxis->SetTicks("");
   }
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the number of divisions.
 
void TAxisEditor::DoDivisions()
{
   // the number of divisions are used 3 number entry widgets
   if (fAvoidSignal) return;
   Int_t div = (Int_t)(fDiv1->GetNumber() + fDiv2->GetNumber()  * 100
                                          + fDiv3->GetNumber() * 10000);
   fAxis->SetNdivisions(div, (fOptimize->GetState() != kButtonUp));
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot for Log scale setting.
 
void TAxisEditor::DoLogAxis()
{
   if (fAvoidSignal) return;
 
   gPad = fGedEditor->GetPad();
 
   if (fLogAxis->GetState() == kButtonDown) {
 
      if (!strcmp(fAxis->GetName(),"xaxis")) gPad->SetLogx(1);
      if (!strcmp(fAxis->GetName(),"yaxis")) gPad->SetLogy(1);
      if (!strcmp(fAxis->GetName(),"zaxis")) gPad->SetLogz(1);
 
      Int_t morelog = fAxis->GetMoreLogLabels();
      if (morelog)  fMoreLog->SetState(kButtonDown);
      else          fMoreLog->SetState(kButtonUp);
      fOptimize->SetState(kButtonDisabled);
 
   } else if (fLogAxis->GetState() == kButtonUp){
      if (!strcmp(fAxis->GetName(),"xaxis")) gPad->SetLogx(0);
      if (!strcmp(fAxis->GetName(),"yaxis")) gPad->SetLogy(0);
      if (!strcmp(fAxis->GetName(),"zaxis")) gPad->SetLogz(0);
      fMoreLog->SetState(kButtonDisabled);
      fOptimize->SetState(kButtonDown);
   }
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to more Log labels flag
 
void TAxisEditor::DoMoreLog()
{
   if (fAvoidSignal) return;
   Int_t flag = 0;
   if (fMoreLog->GetState() == kButtonDown)    flag = 1;
   else if (fMoreLog->GetState() == kButtonUp) flag = 0;
   fAxis->SetMoreLogLabels(flag);
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the axis color.
 
void TAxisEditor::DoTitle(const char *text)
{
   if (fAvoidSignal) return;
   fAxis->SetTitle(text);
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the title color.
 
void TAxisEditor::DoTitleColor(Pixel_t color)
{
   if (fAvoidSignal) return;
   fAxis->SetTitleColor(TColor::GetColor(color));
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the title font size.
 
void TAxisEditor::DoTitleSize()
{
   if (fAvoidSignal) return;
   Float_t size = fTitleSize->GetNumber();
   fAxis->SetTitleSize(size);
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the title font.
 
void TAxisEditor::DoTitleFont(Int_t font)
{
   if (fAvoidSignal) return;
   Int_t f = font * 10 + fTitlePrec;
   fAxis->SetTitleFont(f);
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the title offset.
 
void TAxisEditor::DoTitleOffset()
{
   if (fAvoidSignal) return;
   Float_t offset = fTitleOffset->GetNumber();
   fAxis->SetTitleOffset(offset);
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to centered title option.
 
void TAxisEditor::DoTitleCentered()
{
   if (fAvoidSignal) return;
   Int_t ctr = fCentered->GetState();
   fAxis->CenterTitle(ctr);
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the title rotation.
 
void TAxisEditor::DoTitleRotated()
{
   if (fAvoidSignal) return;
   Int_t rot = fRotated->GetState();
   fAxis->RotateTitle(rot);
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the label color.
 
void TAxisEditor::DoLabelColor(Pixel_t color)
{
   if (fAvoidSignal) return;
   fAxis->SetLabelColor(TColor::GetColor(color));
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the label size.
 
void TAxisEditor::DoLabelSize()
{
   if (fAvoidSignal) return;
   Float_t size = fLabelSize->GetNumber();
   fAxis->SetLabelSize(size);
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the label font.
 
void TAxisEditor::DoLabelFont(Int_t font)
{
   if (fAvoidSignal) return;
   Int_t f = font * 10 + fLabelPrec;
   fAxis->SetLabelFont(f);
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the label offset.
 
void TAxisEditor::DoLabelOffset()
{
   if (fAvoidSignal) return;
   Float_t offset = fLabelOffset->GetNumber();
   fAxis->SetLabelOffset(offset);
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the labels' exponent flag.
 
void TAxisEditor::DoNoExponent()
{
   if (fAvoidSignal) return;
   Int_t exp = fNoExponent->GetState();
   fAxis->SetNoExponent(exp);
   Update();
}
 
////////////////////////////////////////////////////////////////////////////////
/// Slot connected to the decimal part setting.
 
void TAxisEditor::DoDecimal(Bool_t on)
{
   if (fAvoidSignal) return;
   fAxis->SetDecimals(on);
   gStyle->SetStripDecimals(!on);
   Update();
   gPad->Modified();
   gPad->Update();
}