    // @(#)root/ged:$Name:  $:$Id: TAttTextEditor.cxx,v 1.6 2005/05/14 00:19:58 rdm 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                        //
    //                                                                      //
    //////////////////////////////////////////////////////////////////////////
    //

/* */ //

#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(TAttTextEditor) enum ETextWid { 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; }