// @(#)root/gui:$Name: $:$Id: TRootCanvas.cxx,v 1.14 2002/09/18 13:12:59 rdm Exp $
// Author: Fons Rademakers 15/01/98
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
//////////////////////////////////////////////////////////////////////////
// //
// TRootCanvas //
// //
// This class creates a main window with menubar, scrollbars and a //
// drawing area. The widgets used are the new native ROOT GUI widgets. //
// //
//////////////////////////////////////////////////////////////////////////
#include "TRootCanvas.h"
#include "TRootApplication.h"
#include "TRootHelpDialog.h"
#include "TGClient.h"
#include "TGCanvas.h"
#include "TGMenu.h"
#include "TGWidget.h"
#include "TGFileDialog.h"
#include "TGStatusBar.h"
#include "TROOT.h"
#include "TCanvas.h"
#include "TBrowser.h"
#include "TClassTree.h"
#include "TMarker.h"
#include "TStyle.h"
#include "TVirtualX.h"
#include "TApplication.h"
#include "TFile.h"
#include "TInterpreter.h"
#include "HelpText.h"
#ifdef WIN32
# undef SendMessage
#endif
// Canvas menu command ids
enum ERootCanvasCommands {
kFileNewCanvas,
kFileOpen,
kFileSaveAs,
kFileSaveAsRoot,
kFileSaveAsC,
kFileSaveAsPS,
kFileSaveAsEPS,
kFileSaveAsSVG,
kFileSaveAsGIF,
kFilePrint,
kFileCloseCanvas,
kFileQuit,
kEditEditor,
kEditUndo,
kEditClearPad,
kEditClearCanvas,
kViewColors,
kViewFonts,
kViewMarkers,
kViewIconify,
kViewX3D,
kViewOpenGL,
kInterrupt,
kOptionEventStatus,
kOptionAutoExec,
kOptionAutoResize,
kOptionResizeCanvas,
kOptionMoveOpaque,
kOptionResizeOpaque,
kOptionRefresh,
kOptionStatistics,
kOptionHistTitle,
kOptionFitParams,
kOptionCanEdit,
kInspectRoot,
kInspectBrowser,
kClassesTree,
kHelpAbout,
kHelpOnCanvas,
kHelpOnMenus,
kHelpOnGraphicsEd,
kHelpOnBrowser,
kHelpOnObjects,
kHelpOnPS
};
static const char *gOpenTypes[] = { "ROOT files", "*.root",
"All files", "*",
0, 0 };
static const char *gSaveAsTypes[] = { "PostScript", "*.ps",
"Encapsulated PostScript", "*.eps",
"SVG", "*.svg",
"Gif files", "*.gif",
"Macro files", "*.C",
"ROOT files", "*.root",
"All files", "*",
0, 0 };
//////////////////////////////////////////////////////////////////////////
// //
// TRootContainer //
// //
// Utility class used by TRootCanvas. The TRootContainer is the frame //
// embedded in the TGCanvas widget. The ROOT graphics goes into this //
// frame. This class is used to enable input events on this graphics //
// frame and forward the events to the TRootCanvas handlers. //
// //
//////////////////////////////////////////////////////////////////////////
class TRootContainer : public TGCompositeFrame {
private:
TRootCanvas *fCanvas; // pointer back to canvas imp
public:
TRootContainer(TRootCanvas *c, Window_t id, const TGWindow *parent);
Bool_t HandleButton(Event_t *ev)
{ return fCanvas->HandleContainerButton(ev); }
Bool_t HandleDoubleClick(Event_t *ev)
{ return fCanvas->HandleContainerDoubleClick(ev); }
Bool_t HandleConfigureNotify(Event_t *ev)
{ TGFrame::HandleConfigureNotify(ev);
return fCanvas->HandleContainerConfigure(ev); }
Bool_t HandleKey(Event_t *ev)
{ return fCanvas->HandleContainerKey(ev); }
Bool_t HandleMotion(Event_t *ev)
{ return fCanvas->HandleContainerMotion(ev); }
Bool_t HandleExpose(Event_t *ev)
{ return fCanvas->HandleContainerExpose(ev); }
Bool_t HandleCrossing(Event_t *ev)
{ return fCanvas->HandleContainerCrossing(ev); }
};
//______________________________________________________________________________
TRootContainer::TRootContainer(TRootCanvas *c, Window_t id, const TGWindow *p)
: TGCompositeFrame(gClient, id, p)
{
// Create a canvas container.
fCanvas = c;
gVirtualX->GrabButton(fId, kAnyButton, kAnyModifier,
kButtonPressMask | kButtonReleaseMask,
kNone, kNone);
AddInput(kKeyPressMask | kKeyReleaseMask | kPointerMotionMask |
kExposureMask | kStructureNotifyMask | kLeaveWindowMask);
}
ClassImp(TRootCanvas)
//______________________________________________________________________________
TRootCanvas::TRootCanvas(TCanvas *c, const char *name, UInt_t width, UInt_t height)
: TGMainFrame(gClient->GetRoot(), width, height), TCanvasImp(c)
{
// Create a basic ROOT canvas.
CreateCanvas(name);
Resize(width, height);
}
//______________________________________________________________________________
TRootCanvas::TRootCanvas(TCanvas *c, const char *name, Int_t x, Int_t y, UInt_t width, UInt_t height)
: TGMainFrame(gClient->GetRoot(), width, height), TCanvasImp(c)
{
// Create a basic ROOT canvas.
CreateCanvas(name);
MoveResize(x, y, width, height);
SetWMPosition(x, y);
}
//______________________________________________________________________________
void TRootCanvas::CreateCanvas(const char *name)
{
// Create the actual canvas.
fButton = 0;
fAutoFit = kTRUE; // check also menu entry
// Create menus
fFileMenu = new TGPopupMenu(fClient->GetRoot());
fFileMenu->AddEntry("&New Canvas", kFileNewCanvas);
fFileMenu->AddEntry("&Open...", kFileOpen);
fFileMenu->AddSeparator();
fFileMenu->AddEntry("Save As...", kFileSaveAs);
fFileMenu->AddEntry("Save As canvas.ps", kFileSaveAsPS);
fFileMenu->AddEntry("Save As canvas.eps", kFileSaveAsEPS);
fFileMenu->AddEntry("Save As canvas.svg", kFileSaveAsSVG);
fFileMenu->AddEntry("Save As canvas.gif", kFileSaveAsGIF);
fFileMenu->AddEntry("Save As canvas.C", kFileSaveAsC);
fFileMenu->AddEntry("Save As canvas.root", kFileSaveAsRoot);
fFileMenu->AddSeparator();
fFileMenu->AddEntry("&Print...", kFilePrint);
fFileMenu->AddSeparator();
fFileMenu->AddEntry("&Close Canvas", kFileCloseCanvas);
fFileMenu->AddSeparator();
fFileMenu->AddEntry("&Quit ROOT", kFileQuit);
//fFileMenu->DefaultEntry(kFileNewCanvas);
//fFileMenu->DisableEntry(kFileOpen);
fEditMenu = new TGPopupMenu(fClient->GetRoot());
fEditMenu->AddEntry("&Editor", kEditEditor);
fEditMenu->AddEntry("&Undo", kEditUndo);
fEditMenu->AddEntry("Clear &Pad", kEditClearPad);
fEditMenu->AddEntry("&Clear Canvas", kEditClearCanvas);
fEditMenu->DisableEntry(kEditUndo);
fViewMenu = new TGPopupMenu(fClient->GetRoot());
fViewMenu->AddEntry("&Colors", kViewColors);
fViewMenu->AddEntry("&Fonts", kViewFonts);
fViewMenu->AddEntry("&Markers", kViewMarkers);
fViewMenu->AddSeparator();
fViewMenu->AddEntry("&Iconify", kViewIconify);
fViewMenu->AddSeparator();
fViewMenu->AddEntry("&View with X3D", kViewX3D);
fViewMenu->AddEntry("View with &OpenGL", kViewOpenGL);
fViewMenu->AddSeparator();
fViewMenu->AddEntry("Interrupt", kInterrupt);
fOptionMenu = new TGPopupMenu(fClient->GetRoot());
fOptionMenu->AddEntry("&Event Status", kOptionEventStatus);
fOptionMenu->AddEntry("&Pad Auto Exec", kOptionAutoExec);
fOptionMenu->AddSeparator();
fOptionMenu->AddEntry("&Auto Resize Canvas", kOptionAutoResize);
fOptionMenu->AddEntry("&Resize Canvas", kOptionResizeCanvas);
fOptionMenu->AddEntry("&Move Opaque", kOptionMoveOpaque);
fOptionMenu->AddEntry("Resize &Opaque", kOptionResizeOpaque);
fOptionMenu->AddEntry("R&efresh", kOptionRefresh);
fOptionMenu->AddSeparator();
fOptionMenu->AddEntry("Show &Statistics", kOptionStatistics);
fOptionMenu->AddEntry("Show &Histogram Title", kOptionHistTitle);
fOptionMenu->AddEntry("Show &Fit Parameters", kOptionFitParams);
fOptionMenu->AddEntry("Can Edit Histograms", kOptionCanEdit);
// Opaque options initialized in InitWindow()
fOptionMenu->CheckEntry(kOptionAutoResize);
if (gStyle->GetOptStat())
fOptionMenu->CheckEntry(kOptionStatistics);
if (gStyle->GetOptTitle())
fOptionMenu->CheckEntry(kOptionHistTitle);
if (gStyle->GetOptFit())
fOptionMenu->CheckEntry(kOptionFitParams);
if (gROOT->GetEditHistograms())
fOptionMenu->CheckEntry(kOptionCanEdit);
fInspectMenu = new TGPopupMenu(fClient->GetRoot());
fInspectMenu->AddEntry("&ROOT", kInspectRoot);
fInspectMenu->AddEntry("&Start Browser", kInspectBrowser);
fClassesMenu = new TGPopupMenu(fClient->GetRoot());
fClassesMenu->AddEntry("&Class Tree", kClassesTree);
fHelpMenu = new TGPopupMenu(fClient->GetRoot());
fHelpMenu->AddEntry("&About ROOT...", kHelpAbout);
fHelpMenu->AddSeparator();
fHelpMenu->AddEntry("Help On Canvas...", kHelpOnCanvas);
fHelpMenu->AddEntry("Help On Menus...", kHelpOnMenus);
fHelpMenu->AddEntry("Help On Graphics Editor...", kHelpOnGraphicsEd);
fHelpMenu->AddEntry("Help On Browser...", kHelpOnBrowser);
fHelpMenu->AddEntry("Help On Objects...", kHelpOnObjects);
fHelpMenu->AddEntry("Help On PostScript...", kHelpOnPS);
// This main frame will process the menu commands
fFileMenu->Associate(this);
fEditMenu->Associate(this);
fViewMenu->Associate(this);
fOptionMenu->Associate(this);
fInspectMenu->Associate(this);
fClassesMenu->Associate(this);
fHelpMenu->Associate(this);
// Create menubar layout hints
fMenuBarLayout = new TGLayoutHints(kLHintsTop | kLHintsLeft | kLHintsExpandX, 0, 0, 1, 1);
fMenuBarItemLayout = new TGLayoutHints(kLHintsTop | kLHintsLeft, 0, 4, 0, 0);
fMenuBarHelpLayout = new TGLayoutHints(kLHintsTop | kLHintsRight);
// Create menubar
fMenuBar = new TGMenuBar(this, 1, 1, kHorizontalFrame);
fMenuBar->AddPopup("&File", fFileMenu, fMenuBarItemLayout);
fMenuBar->AddPopup("&Edit", fEditMenu, fMenuBarItemLayout);
fMenuBar->AddPopup("&View", fViewMenu, fMenuBarItemLayout);
fMenuBar->AddPopup("&Options", fOptionMenu, fMenuBarItemLayout);
fMenuBar->AddPopup("&Inspect", fInspectMenu, fMenuBarItemLayout);
fMenuBar->AddPopup("&Classes", fClassesMenu, fMenuBarItemLayout);
fMenuBar->AddPopup("&Help", fHelpMenu, fMenuBarHelpLayout);
AddFrame(fMenuBar, fMenuBarLayout);
// Create canvas and canvas container that will host the ROOT graphics
fCanvasWindow = new TGCanvas(this, GetWidth()+4, GetHeight()+4,
kSunkenFrame | kDoubleBorder);
fCanvasID = gVirtualX->InitWindow((ULong_t)fCanvasWindow->GetViewPort()->GetId());
Window_t win = gVirtualX->GetWindowID(fCanvasID);
fCanvasContainer = new TRootContainer(this, win, fCanvasWindow->GetViewPort());
fCanvasWindow->SetContainer(fCanvasContainer);
fCanvasLayout = new TGLayoutHints(kLHintsExpandX | kLHintsExpandY);
AddFrame(fCanvasWindow, fCanvasLayout);
// Create status bar
int parts[] = { 33, 10, 10, 47 };
fStatusBar = new TGStatusBar(this, 10, 10);
fStatusBar->SetParts(parts, 4);
fStatusBarLayout = new TGLayoutHints(kLHintsBottom | kLHintsLeft | kLHintsExpandX, 2, 2, 1, 1);
AddFrame(fStatusBar, fStatusBarLayout);
// Misc
SetWindowName(name);
SetIconName(name);
SetIconPixmap("macro_s.xpm");
SetClassHints("Canvas", "Canvas");
SetMWMHints(kMWMDecorAll, kMWMFuncAll, kMWMInputModeless);
MapSubwindows();
// by default status bar is hidden
HideFrame(fStatusBar);
// we need to use GetDefaultSize() to initialize the layout algorithm...
Resize(GetDefaultSize());
}
//______________________________________________________________________________
TRootCanvas::~TRootCanvas()
{
// Delete ROOT basic canvas. Order is significant. Delete in reverse
// order of creation.
delete fStatusBar;
delete fStatusBarLayout;
delete fCanvasContainer;
delete fCanvasWindow;
delete fFileMenu;
delete fEditMenu;
delete fViewMenu;
delete fOptionMenu;
delete fInspectMenu;
delete fClassesMenu;
delete fHelpMenu;
delete fMenuBar;
delete fMenuBarLayout;
delete fMenuBarItemLayout;
delete fMenuBarHelpLayout;
delete fCanvasLayout;
}
//______________________________________________________________________________
void TRootCanvas::Close()
{
// Called via TCanvasImp interface by TCanvas.
gVirtualX->CloseWindow();
}
//______________________________________________________________________________
void TRootCanvas::ReallyDelete()
{
// Really delete the canvas and the this GUI.
TVirtualPad *savepad = gPad;
gPad = 0; // hide gPad from CINT
gInterpreter->DeleteGlobal(fCanvas);
gPad = savepad; // restore gPad for ROOT
delete fCanvas; // will in turn delete this object
}
//______________________________________________________________________________
void TRootCanvas::CloseWindow()
{
// In case window is closed via WM we get here.
DeleteWindow();
}
//______________________________________________________________________________
UInt_t TRootCanvas::GetCwidth() const
{
// Return width of canvas container.
return fCanvasContainer->GetWidth();
}
//______________________________________________________________________________
UInt_t TRootCanvas::GetCheight() const
{
// Return height of canvas container.
return fCanvasContainer->GetHeight();
}
//______________________________________________________________________________
void TRootCanvas::GetWindowGeometry(Int_t &x, Int_t &y, UInt_t &w, UInt_t &h)
{
// Gets the size and position of the window containing the canvas. This
// size includes the menubar and borders.
gVirtualX->GetWindowSize(fId, x, y, w, h);
// Get position of window on the screen. For this we need to get the parent
// of the ROOT canvas, i.e. the window managed by the window manager and get
// its position
UInt_t wdum, hdum;
Window_t id = fId;
do {
gVirtualX->GetWindowSize(id, x, y, wdum, hdum);
id = gVirtualX->GetParent(id);
} while (id != gClient->GetRoot()->GetId());
}
//______________________________________________________________________________
void TRootCanvas::SetStatusText(const char *txt, Int_t partidx)
{
// Set text in status bar.
fStatusBar->SetText(txt, partidx);
}
//______________________________________________________________________________
Bool_t TRootCanvas::ProcessMessage(Long_t msg, Long_t parm1, Long_t)
{
// Handle menu and other command generated by the user.
TRootHelpDialog *hd;
TList *lc;
switch (GET_MSG(msg)) {
case kC_COMMAND:
switch (GET_SUBMSG(msg)) {
case kCM_BUTTON:
case kCM_MENU:
switch (parm1) {
// Handle File menu items...
case kFileNewCanvas:
gROOT->GetMakeDefCanvas()();
break;
case kFileOpen:
{
static TString dir(".");
TGFileInfo fi;
fi.fFileTypes = gOpenTypes;
fi.fIniDir = StrDup(dir);
new TGFileDialog(fClient->GetRoot(), this, kFDOpen,&fi);
if (!fi.fFilename) return kTRUE;
dir = fi.fIniDir;
new TFile(fi.fFilename, "update");
}
break;
case kFileSaveAs:
{
static TString dir(".");
TGFileInfo fi;
fi.fFileTypes = gSaveAsTypes;
fi.fIniDir = StrDup(dir);
new TGFileDialog(fClient->GetRoot(), this, kFDSave,&fi);
if (!fi.fFilename) return kTRUE;
dir = fi.fIniDir;
if (strstr(fi.fFilename, ".root") ||
strstr(fi.fFilename, ".ps") ||
strstr(fi.fFilename, ".eps") ||
strstr(fi.fFilename, ".svg") ||
strstr(fi.fFilename, ".gif"))
fCanvas->SaveAs(fi.fFilename);
else if (strstr(fi.fFilename, ".C"))
fCanvas->SaveSource(fi.fFilename);
else
Warning("ProcessMessage", "file cannot be saved with this extension (%s)", fi.fFilename);
}
break;
case kFileSaveAsRoot:
fCanvas->SaveAs(".root");
break;
case kFileSaveAsC:
fCanvas->SaveSource();
break;
case kFileSaveAsPS:
fCanvas->SaveAs();
break;
case kFileSaveAsEPS:
fCanvas->SaveAs(".eps");
break;
case kFileSaveAsSVG:
fCanvas->SaveAs(".svg");
break;
case kFileSaveAsGIF:
fCanvas->SaveAs(".gif");
break;
case kFilePrint:
fCanvas->Print();
break;
case kFileCloseCanvas:
SendCloseMessage();
break;
case kFileQuit:
gApplication->Terminate(0);
break;
// Handle Edit menu items...
case kEditEditor:
fCanvas->EditorBar();
break;
case kEditUndo:
// noop
break;
case kEditClearPad:
gPad->Clear();
gPad->Modified();
gPad->Update();
break;
case kEditClearCanvas:
fCanvas->Clear();
fCanvas->Modified();
fCanvas->Update();
break;
// Handle View menu items...
case kViewColors:
{
TVirtualPad *padsav = gPad->GetCanvas();
TCanvas *m = new TCanvas("colors","Color Table");
TPad::DrawColorTable();
m->Update();
padsav->cd();
}
break;
case kViewFonts:
// noop
break;
case kViewMarkers:
{
TVirtualPad *padsav = gPad->GetCanvas();
TCanvas *m = new TCanvas("markers","Marker Types",600,200);
TMarker::DisplayMarkerTypes();
m->Update();
padsav->cd();
}
break;
case kViewIconify:
Iconify();
break;
case kViewX3D:
gPad->x3d();
break;
case kViewOpenGL:
gPad->x3d("OPENGL");
break;
case kInterrupt:
gROOT->SetInterrupt();
break;
// Handle Option menu items...
case kOptionEventStatus:
fCanvas->ToggleEventStatus();
if (fCanvas->GetShowEventStatus()) {
ShowFrame(fStatusBar);
fOptionMenu->CheckEntry(kOptionEventStatus);
} else {
HideFrame(fStatusBar);
fOptionMenu->UnCheckEntry(kOptionEventStatus);
}
break;
case kOptionAutoExec:
fCanvas->ToggleAutoExec();
if (fCanvas->GetAutoExec()) {
fOptionMenu->CheckEntry(kOptionAutoExec);
} else {
fOptionMenu->UnCheckEntry(kOptionAutoExec);
}
break;
case kOptionAutoResize:
{
fAutoFit = fAutoFit ? kFALSE : kTRUE;
int opt = fCanvasContainer->GetOptions();
if (fAutoFit) {
opt &= ~kFixedSize;
fOptionMenu->CheckEntry(kOptionAutoResize);
} else {
opt |= kFixedSize;
fOptionMenu->UnCheckEntry(kOptionAutoResize);
}
fCanvasContainer->ChangeOptions(opt);
// in case of autofit this will generate a configure
// event for the container and this will force the
// update of the TCanvas
Layout();
}
break;
case kOptionResizeCanvas:
FitCanvas();
break;
case kOptionMoveOpaque:
if (fCanvas->OpaqueMoving()) {
fCanvas->MoveOpaque(0);
fOptionMenu->UnCheckEntry(kOptionMoveOpaque);
} else {
fCanvas->MoveOpaque(1);
fOptionMenu->CheckEntry(kOptionMoveOpaque);
}
break;
case kOptionResizeOpaque:
if (fCanvas->OpaqueResizing()) {
fCanvas->ResizeOpaque(0);
fOptionMenu->UnCheckEntry(kOptionResizeOpaque);
} else {
fCanvas->ResizeOpaque(1);
fOptionMenu->CheckEntry(kOptionResizeOpaque);
}
break;
case kOptionRefresh:
fCanvas->Paint();
fCanvas->Update();
break;
case kOptionStatistics:
if (gStyle->GetOptStat()) {
gStyle->SetOptStat(0);
delete gPad->FindObject("stats");
fOptionMenu->UnCheckEntry(kOptionStatistics);
} else {
gStyle->SetOptStat(1);
fOptionMenu->CheckEntry(kOptionStatistics);
}
gPad->Modified();
fCanvas->Update();
break;
case kOptionHistTitle:
if (gStyle->GetOptTitle()) {
gStyle->SetOptTitle(0);
delete gPad->FindObject("title");
fOptionMenu->UnCheckEntry(kOptionHistTitle);
} else {
gStyle->SetOptTitle(1);
fOptionMenu->CheckEntry(kOptionHistTitle);
}
gPad->Modified();
fCanvas->Update();
break;
case kOptionFitParams:
if (gStyle->GetOptFit()) {
gStyle->SetOptFit(0);
fOptionMenu->UnCheckEntry(kOptionFitParams);
} else {
gStyle->SetOptFit(1);
fOptionMenu->CheckEntry(kOptionFitParams);
}
gPad->Modified();
fCanvas->Update();
break;
case kOptionCanEdit:
if (gROOT->GetEditHistograms()) {
gROOT->SetEditHistograms(kFALSE);
fOptionMenu->UnCheckEntry(kOptionCanEdit);
} else {
gROOT->SetEditHistograms(kTRUE);
fOptionMenu->CheckEntry(kOptionCanEdit);
}
break;
// Handle Inspect menu items...
case kInspectRoot:
fCanvas->cd();
gROOT->Inspect();
fCanvas->Update();
break;
case kInspectBrowser:
new TBrowser("browser");
break;
// Handle Inspect menu items...
case kClassesTree:
{
char cdef[64];
lc = (TList*)gROOT->GetListOfCanvases();
if (lc->FindObject("ClassTree")) {
sprintf(cdef,"ClassTree_%d",lc->GetSize()+1);
} else {
sprintf(cdef,"%s","ClassTree");
}
new TClassTree(cdef,"TObject");
fCanvas->Update();
}
break;
// Handle Help menu items...
case kHelpAbout:
{
char str[32];
sprintf(str, "About ROOT %s...", gROOT->GetVersion());
hd = new TRootHelpDialog(this, str, 600, 400);
hd->SetText(gHelpAbout);
hd->Popup();
}
break;
case kHelpOnCanvas:
hd = new TRootHelpDialog(this, "Help on Canvas...", 600, 400);
hd->SetText(gHelpCanvas);
hd->Popup();
break;
case kHelpOnMenus:
hd = new TRootHelpDialog(this, "Help on Menus...", 600, 400);
hd->SetText(gHelpPullDownMenus);
hd->Popup();
break;
case kHelpOnGraphicsEd:
hd = new TRootHelpDialog(this, "Help on Graphics Editor...", 600, 400);
hd->SetText(gHelpGraphicsEditor);
hd->Popup();
break;
case kHelpOnBrowser:
hd = new TRootHelpDialog(this, "Help on Browser...", 600, 400);
hd->SetText(gHelpBrowser);
hd->Popup();
break;
case kHelpOnObjects:
hd = new TRootHelpDialog(this, "Help on Objects...", 600, 400);
hd->SetText(gHelpObjects);
hd->Popup();
break;
case kHelpOnPS:
hd = new TRootHelpDialog(this, "Help on PostScript...", 600, 400);
hd->SetText(gHelpPostscript);
hd->Popup();
break;
}
default:
break;
}
default:
break;
}
return kTRUE;
}
//______________________________________________________________________________
Int_t TRootCanvas::InitWindow()
{
// Called by TCanvas ctor to get window indetifier.
if (fCanvas->OpaqueMoving())
fOptionMenu->CheckEntry(kOptionMoveOpaque);
if (fCanvas->OpaqueResizing())
fOptionMenu->CheckEntry(kOptionResizeOpaque);
return fCanvasID;
}
//______________________________________________________________________________
void TRootCanvas::SetCanvasSize(UInt_t w, UInt_t h)
{
// Set size of canvas container. Unix in pixels.
// turn off autofit, we want to stay at the given size
fAutoFit = kFALSE;
fOptionMenu->UnCheckEntry(kOptionAutoResize);
int opt = fCanvasContainer->GetOptions();
opt |= kFixedSize; // turn on fixed size mode
fCanvasContainer->ChangeOptions(opt);
fCanvasContainer->SetWidth(w);
fCanvasContainer->SetHeight(h);
Layout(); // force layout (will update container to given size)
fCanvas->Resize();
fCanvas->Update();
}
//______________________________________________________________________________
void TRootCanvas::SetWindowPosition(Int_t x, Int_t y)
{
// Set canvas position (units in pixels).
Move(x, y);
}
//______________________________________________________________________________
void TRootCanvas::SetWindowSize(UInt_t w, UInt_t h)
{
// Set size of canvas( units in pixels).
Resize(w, h);
}
//______________________________________________________________________________
void TRootCanvas::SetWindowTitle(const char *title)
{
// Change title on window.
SetWindowName(title);
SetIconName(title);
}
//______________________________________________________________________________
void TRootCanvas::FitCanvas()
{
// Fit canvas container to current window size.
if (!fAutoFit) {
int opt = fCanvasContainer->GetOptions();
int oopt = opt;
opt &= ~kFixedSize; // turn off fixed size mode
fCanvasContainer->ChangeOptions(opt);
Layout(); // force layout
fCanvas->Resize();
fCanvas->Update();
fCanvasContainer->ChangeOptions(oopt);
}
}
//______________________________________________________________________________
void TRootCanvas::ShowMenuBar(Bool_t show)
{
// Show or hide menubar.
if (show) {
ShowFrame(fMenuBar);
} else {
HideFrame(fMenuBar);
}
}
//______________________________________________________________________________
void TRootCanvas::ShowStatusBar(Bool_t show)
{
// Show or hide statusbar.
if (show) {
ShowFrame(fStatusBar);
fOptionMenu->CheckEntry(kOptionEventStatus);
} else {
HideFrame(fStatusBar);
fOptionMenu->UnCheckEntry(kOptionEventStatus);
}
}
//______________________________________________________________________________
Bool_t TRootCanvas::HandleContainerButton(Event_t *event)
{
// Handle mouse button events in the canvas container.
Int_t button = event->fCode;
Int_t x = event->fX;
Int_t y = event->fY;
if (event->fType == kButtonPress) {
fButton = button;
if (button == kButton1)
fCanvas->HandleInput(kButton1Down, x, y);
if (button == kButton2)
fCanvas->HandleInput(kButton2Down, x, y);
if (button == kButton3) {
fCanvas->HandleInput(kButton3Down, x, y);
fButton = 0; // button up is consumed by TContextMenu
}
} else if (event->fType == kButtonRelease) {
if (button == kButton1)
fCanvas->HandleInput(kButton1Up, x, y);
if (button == kButton2)
fCanvas->HandleInput(kButton2Up, x, y);
if (button == kButton3)
fCanvas->HandleInput(kButton3Up, x, y);
fButton = 0;
}
return kTRUE;
}
//______________________________________________________________________________
Bool_t TRootCanvas::HandleContainerDoubleClick(Event_t *event)
{
// Handle mouse button double click events in the canvas container.
Int_t button = event->fCode;
Int_t x = event->fX;
Int_t y = event->fY;
if (button == kButton1)
fCanvas->HandleInput(kButton1Double, x, y);
if (button == kButton2)
fCanvas->HandleInput(kButton2Double, x, y);
if (button == kButton3)
fCanvas->HandleInput(kButton3Double, x, y);
return kTRUE;
}
//______________________________________________________________________________
Bool_t TRootCanvas::HandleContainerConfigure(Event_t *)
{
// Handle configure (i.e. resize) event.
if (fAutoFit) {
fCanvas->Resize();
fCanvas->Update();
}
if (fCanvas->HasFixedAspectRatio()) {
// get menu height
static Int_t dh = 0;
if (!dh)
dh = GetHeight() - fCanvasContainer->GetHeight();
UInt_t h = TMath::Nint(fCanvasContainer->GetWidth()/
fCanvas->GetAspectRatio()) + dh;
SetWindowSize(GetWidth(), h);
}
return kTRUE;
}
//______________________________________________________________________________
Bool_t TRootCanvas::HandleContainerKey(Event_t *event)
{
// Handle keyboard events in the canvas container.
if (event->fType == kGKeyPress) {
fButton = event->fCode;
UInt_t keysym;
char str[2];
gVirtualX->LookupString(event, str, sizeof(str), keysym);
if (str[0] == 3) // ctrl-c sets the interrupt flag
gROOT->SetInterrupt();
fCanvas->HandleInput(kKeyPress, str[0], keysym);
} else if (event->fType == kKeyRelease)
fButton = 0;
return kTRUE;
}
//______________________________________________________________________________
Bool_t TRootCanvas::HandleContainerMotion(Event_t *event)
{
// Handle mouse motion event in the canvas container.
Int_t x = event->fX;
Int_t y = event->fY;
if (fButton == 0)
fCanvas->HandleInput(kMouseMotion, x, y);
if (fButton == kButton1)
fCanvas->HandleInput(kButton1Motion, x, y);
return kTRUE;
}
//______________________________________________________________________________
Bool_t TRootCanvas::HandleContainerExpose(Event_t *event)
{
// Handle expose events.
if (event->fCount == 0)
fCanvas->Flush();
return kTRUE;
}
//______________________________________________________________________________
Bool_t TRootCanvas::HandleContainerCrossing(Event_t *event)
{
// Handle enter/leave events. Only leave is activated at the moment.
Int_t x = event->fX;
Int_t y = event->fY;
// pointer grabs create also an enter and leave event but with fCode
// either kNotifyGrab or kNotifyUngrab, don't propagate these events
if (event->fType == kLeaveNotify && event->fCode == kNotifyNormal)
fCanvas->HandleInput(kMouseLeave, x, y);
return kTRUE;
}
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