swh:1:snp:af87cd67498ef4fe47c76ed3e7caffe5b61facaf
Tip revision: 6ceee81af26dfa03fb19567d7598078506ed1254 authored by Fons Rademakers on 09 May 2012, 10:56:45 UTC
tag patch release v5-32-03.
tag patch release v5-32-03.
Tip revision: 6ceee81
listBox.C
//
// Author: Ilka Antcheva 1/12/2006
// This macro gives an example of how to create a list box
// and how to set and use its multiple selection feature.
// To run it do either:
// .x listBox.C
// .x listBox.C++
#include <TApplication.h>
#include <TGClient.h>
#include <TGButton.h>
#include <TGListBox.h>
#include <TList.h>
class MyMainFrame : public TGMainFrame {
private:
TGListBox *fListBox;
TGCheckButton *fCheckMulti;
TList *fSelected;
public:
MyMainFrame(const TGWindow *p, UInt_t w, UInt_t h);
virtual ~MyMainFrame();
void DoExit();
void DoSelect();
void HandleButtons();
void PrintSelected();
ClassDef(MyMainFrame, 0)
};
void MyMainFrame::DoSelect()
{
Printf("Slot DoSelect()");
}
void MyMainFrame::DoExit()
{
Printf("Slot DoExit()");
gApplication->Terminate(0);
}
MyMainFrame::MyMainFrame(const TGWindow *p, UInt_t w, UInt_t h) :
TGMainFrame(p, w, h)
{
// Create main frame
fListBox = new TGListBox(this, 89);
fSelected = new TList;
char tmp[20];
for (int i = 0; i < 20; ++i) {
sprintf(tmp, "Entry %i", i+1);
fListBox->AddEntry(tmp, i+1);
}
fListBox->Resize(100,150);
AddFrame(fListBox, new TGLayoutHints(kLHintsTop | kLHintsLeft |
kLHintsExpandX | kLHintsExpandY,
5, 5, 5, 5));
fCheckMulti = new TGCheckButton(this, "&Mutliple selection", 10);
AddFrame(fCheckMulti, new TGLayoutHints(kLHintsTop | kLHintsLeft,
5, 5, 5, 5));
fCheckMulti->Connect("Clicked()", "MyMainFrame", this, "HandleButtons()");
// Create a horizontal frame containing button(s)
TGHorizontalFrame *hframe = new TGHorizontalFrame(this, 150, 20, kFixedWidth);
TGTextButton *show = new TGTextButton(hframe, "&Show");
show->SetToolTipText("Click here to print the selection you made");
show->Connect("Pressed()", "MyMainFrame", this, "PrintSelected()");
hframe->AddFrame(show, new TGLayoutHints(kLHintsExpandX, 5, 5, 3, 4));
TGTextButton *exit = new TGTextButton(hframe, "&Exit ");
exit->Connect("Pressed()", "MyMainFrame", this, "DoExit()");
hframe->AddFrame(exit, new TGLayoutHints(kLHintsExpandX, 5, 5, 3, 4));
AddFrame(hframe, new TGLayoutHints(kLHintsExpandX, 2, 2, 5, 1));
// Set a name to the main frame
SetWindowName("List Box");
MapSubwindows();
// Initialize the layout algorithm via Resize()
Resize(GetDefaultSize());
// Map main frame
MapWindow();
fListBox->Select(1);
}
MyMainFrame::~MyMainFrame()
{
// Clean up main frame...
Cleanup();
if (fSelected) {
fSelected->Delete();
delete fSelected;
}
}
void MyMainFrame::HandleButtons()
{
// Handle check button.
Int_t id;
TGButton *btn = (TGButton *) gTQSender;
id = btn->WidgetId();
printf("HandleButton: id = %d\n", id);
if (id == 10)
fListBox->SetMultipleSelections(fCheckMulti->GetState());
}
void MyMainFrame::PrintSelected()
{
// Writes selected entries in TList if multiselection.
fSelected->Clear();
if (fListBox->GetMultipleSelections()) {
Printf("Selected entries are:\n");
fListBox->GetSelectedEntries(fSelected);
fSelected->ls();
} else {
Printf("Selected entries is: %d\n", fListBox->GetSelected());
}
}
void listBox()
{
// Popup the GUI...
new MyMainFrame(gClient->GetRoot(), 200, 200);
}