swh:1:snp:af87cd67498ef4fe47c76ed3e7caffe5b61facaf
Tip revision: a7f1278ab4dab24416ba39db3f85fbf8add0dfef authored by Unknown Author on 02 July 2005, 11:22:13 UTC
This commit was manufactured by cvs2svn to create tag 'v4-04-02c'.
This commit was manufactured by cvs2svn to create tag 'v4-04-02c'.
Tip revision: a7f1278
TAttTextEditor.cxx
// @(#)root/ged:$Name: $:$Id: TAttTextEditor.cxx,v 1.4 2004/07/02 15:43:56 brun Exp $
// 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. *
*************************************************************************/
//////////////////////////////////////////////////////////////////////////
// //
// TAttTextEditor //
// //
// Implements GUI for editing text attributes. //
// color, font, font size and alignment //
// //
//////////////////////////////////////////////////////////////////////////
//Begin_Html
/*
<img src="gif/TAttTextEditor.gif">
*/
//End_Html
#include "TAttTextEditor.h"
#include "TGColorSelect.h"
#include "TGColorDialog.h"
#include "TGComboBox.h"
#include "TGClient.h"
#include "TColor.h"
#include "TPaveLabel.h"
#include "TVirtualPad.h"
#include "snprintf.h"
ClassImp(TGedFrame)
ClassImp(TAttTextEditor)
enum {
kCOLOR,
kFONT_SIZE,
kFONT_STYLE,
kFONT_ALIGN
};
//______________________________________________________________________________
TAttTextEditor::TAttTextEditor(const TGWindow *p, Int_t id, Int_t width,
Int_t height, UInt_t options, Pixel_t back)
: TGedFrame(p, id, width, height, options | kVerticalFrame, back)
{
// Constructor of text attributes GUI.
fAttText = 0;
MakeTitle("Text");
TGCompositeFrame *f2 = new TGCompositeFrame(this, 80, 20, kHorizontalFrame);
fColorSelect = new TGColorSelect(f2, 0, kCOLOR);
f2->AddFrame(fColorSelect, new TGLayoutHints(kLHintsLeft, 1, 1, 1, 1));
fColorSelect->Associate(this);
fSizeCombo = BuildFontSizeComboBox(f2, kFONT_SIZE);
f2->AddFrame(fSizeCombo, new TGLayoutHints(kLHintsLeft, 3, 1, 1, 1));
fSizeCombo->Resize(91, 20);
fSizeCombo->Associate(this);
AddFrame(f2, new TGLayoutHints(kLHintsTop, 1, 1, 0, 0));
fTypeCombo = new TGFontTypeComboBox(this, kFONT_STYLE);
fTypeCombo->Resize(137, 20);
AddFrame(fTypeCombo, new TGLayoutHints(kLHintsLeft, 3, 1, 1, 1));
fAlignCombo = BuildTextAlignComboBox(this, kFONT_ALIGN);
fAlignCombo->Resize(137, 20);
AddFrame(fAlignCombo, new TGLayoutHints(kLHintsLeft, 3, 1, 1, 1));
TClass *cl = TAttText::Class();
TGedElement *ge = new TGedElement;
ge->fGedFrame = this;
ge->fCanvas = 0;
cl->GetEditorList()->Add(ge);
}
//______________________________________________________________________________
TAttTextEditor::~TAttTextEditor()
{
// Destructor of text editor.
TGFrameElement *el;
TIter next(GetList());
while ((el = (TGFrameElement *)next())) {
if (!strcmp(el->fFrame->ClassName(), "TGCompositeFrame"))
((TGCompositeFrame *)el->fFrame)->Cleanup();
}
Cleanup();
}
//______________________________________________________________________________
void TAttTextEditor::SetModel(TVirtualPad* pad, TObject* obj, Int_t)
{
// Pick up the values of used text attributes.
fModel = 0;
fPad = 0;
if (obj == 0 || !obj->InheritsFrom("TAttText")) {
SetActive(kFALSE);
return;
}
fModel = obj;
fPad = pad;
fAttText = dynamic_cast<TAttText *>(fModel);
fTypeCombo->Select(fAttText->GetTextFont() / 10);
Float_t s = fAttText->GetTextSize();
Float_t dy;
if (obj->InheritsFrom("TPaveLabel")) {
TBox *pl = (TBox*)obj;
dy = s * (pl->GetY2() - pl->GetY1());
}
else
dy = s * (fPad->GetY2() - fPad->GetY1());
Int_t size = fPad->YtoPixel(0.0) - fPad->YtoPixel(dy);
if (size > 50) size = 50;
if (size < 0) size = 0;
fSizeCombo->Select(size);
fAlignCombo->Select(fAttText->GetTextAlign());
Color_t c = fAttText->GetTextColor();
Pixel_t p = TColor::Number2Pixel(c);
fColorSelect->SetColor(p);
SetActive();
}
//______________________________________________________________________________
Bool_t TAttTextEditor::ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2)
{
// Process message.
if(!fModel) return kTRUE;
Bool_t b = kFALSE;
if (GET_MSG(msg) == kC_COLORSEL && GET_SUBMSG(msg) == kCOL_SELCHANGED) {
fAttText->SetTextColor(TColor::GetColor(parm2));
b = kTRUE;
SendMessage(fMsgWindow, msg, parm1, parm2);
}
if (GET_MSG(msg) == kC_COMMAND && GET_SUBMSG(msg) == kCM_COMBOBOX) {
if (parm1 == kFONT_SIZE) {
Float_t dy = fPad->AbsPixeltoY(0) - fPad->AbsPixeltoY(parm2);
Float_t TextSize;
if (fModel->InheritsFrom("TPaveLabel")) {
TBox *pl = (TBox*) fModel;
TextSize = dy/(pl->GetY2() - pl->GetY1());
}
else
TextSize = dy/(fPad->GetY2() - fPad->GetY1());
fAttText->SetTextSize(TextSize);
b = kTRUE;
} else if (parm1 == kFONT_STYLE) {
Int_t fontPrec = fAttText->GetTextFont()%10;
fAttText->SetTextFont(parm2 * 10 + fontPrec);
b = kTRUE;
} else if (parm1 == kFONT_ALIGN) {
fAttText->SetTextAlign(parm2);
b = true;
}
}
if (b) Update();
return kTRUE;
}
//______________________________________________________________________________
TGComboBox* TAttTextEditor::BuildFontSizeComboBox(TGFrame* parent, Int_t id)
{
// Create text size combo box.
char a[100];
TGComboBox *c = new TGComboBox(parent, id);
c->AddEntry("Default", 0);
for (int i = 1; i <= 50; i++) {
snprintf(a, 100, "%d", i);
c->AddEntry(a, i);
}
return c;
}
//______________________________________________________________________________
TGComboBox* TAttTextEditor::BuildTextAlignComboBox(TGFrame* parent, Int_t id)
{
// Create text align combo box.
TGComboBox *c = new TGComboBox(parent, id);
c->AddEntry("11 Bottom, Left", 11);
c->AddEntry("21 Bottom, Middle", 21);
c->AddEntry("31 Bottom, Right", 31);
c->AddEntry("12 Middle, Left", 12);
c->AddEntry("22 Middle, Middle", 22);
c->AddEntry("32 Middle, Right", 32);
c->AddEntry("13 Top, Left", 13);
c->AddEntry("23 Top, Middle", 23);
c->AddEntry("33 Top, Right", 33);
return c;
}