textEntries.C

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/// \file
/// \ingroup tutorial_gui
/// This macro gives an example of how to set/change text entry attributes.
/// To run it do either:
/// ~~~
/// .x textEntries.C
/// .x textEntries.C++
/// ~~~
///
/// \macro_code
///
/// \author Valeriy Onuchin   25/08/2007
 
#include <TGTextEntry.h>
#include <TGButtonGroup.h>
#include <TGLabel.h>
#include <TGComboBox.h>
#include <TApplication.h>
 
 
//////////// auxilary class ///////////////////////////////////////////////////
class GroupBox : public TGGroupFrame {
private:
   TGComboBox  *fCombo; // combo box
   TGTextEntry *fEntry; // text entry
 
public:
   GroupBox(const TGWindow *p, const char *name, const char *title);
   TGTextEntry *GetEntry() const { return fEntry; }
   TGComboBox  *GetCombo() const { return fCombo; }
 
   ClassDef(GroupBox, 0)
};
 
//______________________________________________________________________________
GroupBox::GroupBox(const TGWindow *p, const char *name, const char *title) :
   TGGroupFrame(p, name)
{
   // Group frame containing combobox and text entry.
 
   TGHorizontalFrame *horz = new TGHorizontalFrame(this);
   AddFrame(horz, new TGLayoutHints(kLHintsExpandX | kLHintsCenterY));
   TGLabel *label = new TGLabel(horz, title);
   horz->AddFrame(label, new TGLayoutHints(kLHintsLeft | kLHintsCenterY));
 
   fCombo = new TGComboBox(horz);
   horz->AddFrame(fCombo, new TGLayoutHints(kLHintsRight | kLHintsExpandY,
                                            5, 0, 5, 5));
   fCombo->Resize(100, 20);
 
   fEntry = new TGTextEntry(this);
   AddFrame(fEntry, new TGLayoutHints(kLHintsExpandX | kLHintsCenterY));
}
 
////////////////////////////////////////////////////////////////////////////////
class TextEntryWindow {
 
protected:
   TGMainFrame *fMain;     // main frame
   GroupBox    *fEcho;     // echo mode (echo, password, no echo)
   GroupBox    *fAlign;    // alignment (left, right, center)
   GroupBox    *fAccess;   // read-only mode
   GroupBox    *fBorder;   // border mode
 
public:
   TextEntryWindow();
   virtual ~TextEntryWindow() { delete fMain; }
 
   ClassDef(TextEntryWindow, 0);
};
 
 
//______________________________________________________________________________
TextEntryWindow::TextEntryWindow()
{
   // Main test window.
 
   TGComboBox  *combo;
   TGTextEntry *entry;
 
   fMain = new TGMainFrame(gClient->GetRoot(), 10, 10, kVerticalFrame);
 
   // recusively delete all subframes on exit
   fMain->SetCleanup(kDeepCleanup);
 
   fEcho = new GroupBox(fMain, "Echo", "Mode:");
   fMain->AddFrame(fEcho, new TGLayoutHints(kLHintsExpandX | kLHintsExpandY, 5, 5));
   combo = fEcho->GetCombo();
   entry = fEcho->GetEntry();
   // add entries
   combo->AddEntry("Normal", TGTextEntry::kNormal);
   combo->AddEntry("Password", TGTextEntry::kPassword);
   combo->AddEntry("No Echo", TGTextEntry::kNoEcho);
   combo->Connect("Selected(Int_t)", "TGTextEntry", entry, "SetEchoMode(TGTextEntry::EEchoMode)");
   combo->Select(TGTextEntry::kNormal);
 
   fAlign = new GroupBox(fMain, "Alignment", "Type:");
   fMain->AddFrame(fAlign, new TGLayoutHints(kLHintsExpandX | kLHintsExpandY, 5, 5));
   combo = fAlign->GetCombo();
   entry = fAlign->GetEntry();
   // add entries
   combo->AddEntry("Left", kTextLeft);
   combo->AddEntry("Centered", kTextCenterX);
   combo->AddEntry("Right", kTextRight);
   combo->Connect("Selected(Int_t)", "TGTextEntry", entry, "SetAlignment(ETextJustification)");
   combo->Select(kTextLeft);
 
   fAccess = new GroupBox(fMain, "Access", "Read-only:");
   fMain->AddFrame(fAccess, new TGLayoutHints(kLHintsExpandX | kLHintsExpandY, 5, 5));
   combo = fAccess->GetCombo();
   entry = fAccess->GetEntry();
   // add entries
   combo->AddEntry("False", 1);
   combo->AddEntry("True", 0);
   combo->Connect("Selected(Int_t)", "TGTextEntry", entry, "SetEnabled(Int_t)");
   combo->Select(1);
 
   fBorder = new GroupBox(fMain, "Border", "Drawn:");
   fMain->AddFrame(fBorder, new TGLayoutHints(kLHintsExpandX | kLHintsExpandY, 5, 5));
   combo = fBorder->GetCombo();
   entry = fBorder->GetEntry();
   // add entries
   combo->AddEntry("False", 0);
   combo->AddEntry("True", 1);
   combo->Connect("Selected(Int_t)", "TGTextEntry", entry, "SetFrameDrawn(Int_t)");
   combo->Select(1);
 
   // terminate ROOT session when window is closed
   fMain->Connect("CloseWindow()", "TApplication", gApplication, "Terminate()");
   fMain->DontCallClose();
 
   fMain->MapSubwindows();
   fMain->Resize();
 
   // set minimum width, height
   fMain->SetWMSizeHints(fMain->GetDefaultWidth(), fMain->GetDefaultHeight(),
                         1000, 1000, 0, 0);
   fMain->SetWindowName("Text Entries");
   fMain->MapRaised();
}
 
 
////////////////////////////////////////////////////////////////////////////////
void textEntries()
{
   // Main program.
 
   new TextEntryWindow();
}