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MINFEmbeddedCanvas Class Reference

#include <MINFEmbeddedCanvas.h>

List of all members.

Public Member Functions

 MINFEmbeddedCanvas (const char *name, const TGWindow *p, UInt_t w, UInt_t h, UInt_t options=kSunkenFrame|kDoubleBorder, ULong_t back=fgDefaultFrameBackground)
virtual ~MINFEmbeddedCanvas ()
void DrawEventStatus (Int_t event, Int_t px, Int_t py, TObject *selected)
TCanvas * GetCanvas () const
void SetShowEventStatus (Bool_t show)
void SetStatusText (Text_t *txt, Int_t partidx)
void SetUnZoomPad (TVirtualPad *pad)

Private Member Functions

Bool_t HandleContainerButton (Event_t *ev)
Bool_t HandleContainerDoubleClick (Event_t *ev)
Bool_t HandleContainerConfigure (Event_t *ev)
Bool_t HandleContainerKey (Event_t *ev)
Bool_t HandleContainerMotion (Event_t *ev)
Bool_t HandleContainerExpose (Event_t *ev)
Bool_t HandleContainerCrossing (Event_t *ev)

Private Attributes

MINFEmbeddedContainer * fCanvasContainer
TCanvas * fCanvas
Bool_t fAutoFit
Int_t fButton
Bool_t fShowEventStatus

Friends

class MINFEmbeddedContainer

Constructor & Destructor Documentation

MINFEmbeddedCanvas::MINFEmbeddedCanvas (  const char *  name,
const TGWindow *  p,
UInt_t  w,
UInt_t  h,
UInt_t  options = kSunkenFrame|kDoubleBorder,
ULong_t  back = fgDefaultFrameBackground
) 
 

Definition at line 99 of file MINFEmbeddedCanvas.cxx.

References win.

00101    : TGCanvas(p, w, h, options, back)
00102 {
00103    // Create an TCanvas embedded in a TGFrame. A pointer to the TCanvas can
00104    // be obtained via the GetCanvas() member function.
00105 
00106    fButton  = 0;
00107    fAutoFit = kTRUE;
00108    fShowEventStatus = kFALSE;
00109 
00110    Int_t wid = gVirtualX->InitWindow((ULong_t)GetViewPort()->GetId());
00111    Window_t win = gVirtualX->GetWindowID(wid);
00112    fCanvasContainer = new MINFEmbeddedContainer(this, win, GetViewPort());
00113    SetContainer(fCanvasContainer);
00114 
00115    fCanvas = new TCanvas(name, 10, 10, wid);
00116 }

MINFEmbeddedCanvas::~MINFEmbeddedCanvas (   )  [virtual]
 

Definition at line 119 of file MINFEmbeddedCanvas.cxx.

00120 {
00121    // Delete embedded ROOT canvas.
00122 
00123    delete fCanvas;
00124    delete fCanvasContainer;
00125 }

Member Function Documentation

void MINFEmbeddedCanvas::DrawEventStatus (  Int_t  event,
Int_t  px,
Int_t  py,
TObject *  selected
) 
 

Definition at line 128 of file MINFEmbeddedCanvas.cxx.

References GetCanvas(), and SetStatusText().

Referenced by HandleContainerButton(), HandleContainerDoubleClick(), HandleContainerKey(), and HandleContainerMotion().

00129 {
00130 
00131 //*-*-*-*-*-*-*Report name and title of primitive below the cursor*-*-*-*-*-*
00132 //*-*          ===================================================
00133 //
00134 //    This function is called when the option "Event Status"
00135 //    in the canvas menu "Options" is selected.
00136 //
00137 
00138    const Int_t kTMAX=256;
00139    static char atext[kTMAX];
00140 
00141    if (!selected) return;
00142 
00143 //#ifndef WIN32
00144 #if 0
00145    static Int_t pxt, pyt;
00146    gPad->SetDoubleBuffer(0);           // Turn off double buffer mode
00147    gVirtualX->SetTextColor(1);
00148    gVirtualX->SetTextAlign(11);
00149 
00150    pxt = gPad->GetCanvas()->XtoAbsPixel(gPad->GetCanvas()->GetX1()) + 5;
00151    pyt = gPad->GetCanvas()->YtoAbsPixel(gPad->GetCanvas()->GetY1()) - 5;
00152 
00153    sprintf(atext,"%s / %s ", selected->GetName()
00154                            , selected->GetObjectInfo(px,py));
00155    for (Int_t i=strlen(atext);i<kTMAX-1;i++) atext[i] = ' ';
00156    atext[kTMAX-1] = 0;
00157    gVirtualX->DrawText(pxt, pyt, 0, 1, atext, TGXW::kOpaque);
00158 #else
00159 //gmi   if (!fCanvasImp) return; //this may happen when closing a TAttCanvas
00160    SetStatusText((Text_t *)(selected->GetTitle()),0);
00161    SetStatusText((Text_t *)(selected->GetName()),1);
00162    if (event == kKeyPress)
00163       sprintf(atext, "%c", (char) px);
00164    else
00165       sprintf(atext, "%d,%d", px, py);
00166    SetStatusText(atext,2);
00167    SetStatusText((Text_t *)(selected->GetObjectInfo(px,py)),3);
00168 #endif
00169 }

TCanvas* MINFEmbeddedCanvas::GetCanvas (   )  const [inline]
 

Definition at line 48 of file MINFEmbeddedCanvas.h.

Referenced by DrawEventStatus(), MINFGUIPanel::GetCanvas(), and MINFDisplayFrame::GetCanvas().

00048 { return fCanvas; }

Bool_t MINFEmbeddedCanvas::HandleContainerButton (  Event_t *  ev  )  [private]
 

Definition at line 172 of file MINFEmbeddedCanvas.cxx.

References DrawEventStatus(), fButton, fCanvas, and SetUnZoomPad().

Referenced by MINFEmbeddedContainer::HandleButton().

00173 {
00174    // Handle mouse button events in the canvas container.
00175 
00176    Int_t button = event->fCode;
00177    Int_t x = event->fX;
00178    Int_t y = event->fY;
00179 
00180    if (event->fType == kButtonPress) {
00181       fButton = button;
00182       if (button == kButton1)
00183          fCanvas->HandleInput(kButton1Down, x, y);
00184          if (fShowEventStatus) DrawEventStatus(event->fType, x, y, fCanvas->GetSelected());
00185       if (button == kButton2)
00186          fCanvas->HandleInput(kButton2Down, x, y);
00187          SetUnZoomPad(fCanvas->GetSelectedPad());
00188       if (button == kButton3) {
00189          fCanvas->HandleInput(kButton3Down, x, y);
00190          fButton = 0;  // button up is consumed by TContextMenu
00191       }
00192 
00193    } else if (event->fType == kButtonRelease) {
00194       if (button == kButton1)
00195          fCanvas->HandleInput(kButton1Up, x, y);
00196          if (fShowEventStatus) DrawEventStatus(event->fType, x, y, fCanvas->GetSelected());
00197       if (button == kButton2)
00198          fCanvas->HandleInput(kButton2Up, x, y);
00199       if (button == kButton3)
00200          fCanvas->HandleInput(kButton3Up, x, y);
00201 
00202       fButton = 0;
00203    }
00204 
00205    return kTRUE;
00206 }

Bool_t MINFEmbeddedCanvas::HandleContainerConfigure (  Event_t *  ev  )  [private]
 

Definition at line 229 of file MINFEmbeddedCanvas.cxx.

References fCanvas.

Referenced by MINFEmbeddedContainer::HandleConfigureNotify().

00230 {
00231    // Handle configure (i.e. resize) event.
00232 
00233    if (fAutoFit) {
00234       fCanvas->Resize();
00235       fCanvas->Update();
00236    }
00237    return kTRUE;
00238 }

Bool_t MINFEmbeddedCanvas::HandleContainerCrossing (  Event_t *  ev  )  [private]
 

Definition at line 294 of file MINFEmbeddedCanvas.cxx.

References fCanvas.

Referenced by MINFEmbeddedContainer::HandleCrossing().

00295 {
00296    // Handle enter/leave events. Only leave is activated at the moment.
00297 
00298    if (event->fType == kLeaveNotify)
00299       fCanvas->HandleInput(kMouseLeave, 0, 0);
00300 
00301    return kTRUE;
00302 }

Bool_t MINFEmbeddedCanvas::HandleContainerDoubleClick (  Event_t *  ev  )  [private]
 

Definition at line 209 of file MINFEmbeddedCanvas.cxx.

References DrawEventStatus(), and fCanvas.

Referenced by MINFEmbeddedContainer::HandleDoubleClick().

00210 {
00211    // Handle mouse button double click events in the canvas container.
00212 
00213    Int_t button = event->fCode;
00214    Int_t x = event->fX;
00215    Int_t y = event->fY;
00216 
00217    if (button == kButton1)
00218       fCanvas->HandleInput(kButton1Double, x, y);
00219       if (fShowEventStatus) DrawEventStatus(event->fType, x, y, fCanvas->GetSelected());
00220    if (button == kButton2)
00221       fCanvas->HandleInput(kButton2Double, x, y);
00222    if (button == kButton3)
00223       fCanvas->HandleInput(kButton3Double, x, y);
00224 
00225    return kTRUE;
00226 }

Bool_t MINFEmbeddedCanvas::HandleContainerExpose (  Event_t *  ev  )  [private]
 

Definition at line 283 of file MINFEmbeddedCanvas.cxx.

References fCanvas.

Referenced by MINFEmbeddedContainer::HandleExpose().

00284 {
00285    // Handle expose events.
00286 
00287    if (event->fCount == 0)
00288       fCanvas->Flush();
00289 
00290    return kTRUE;
00291 }

Bool_t MINFEmbeddedCanvas::HandleContainerKey (  Event_t *  ev  )  [private]
 

Definition at line 241 of file MINFEmbeddedCanvas.cxx.

References DrawEventStatus(), fButton, and fCanvas.

Referenced by MINFEmbeddedContainer::HandleKey().

00242 {
00243 
00244 // Handle mouse motion event in the canvas container.
00245    Int_t x = event->fX;
00246    Int_t y = event->fY;
00247 
00248 // Handle keyboard events in the canvas container.
00249    if (event->fType == kGKeyPress) {
00250       fButton = event->fCode;
00251       UInt_t keysym;
00252       char str[2];
00253       gVirtualX->LookupString(event, str, sizeof(str), keysym);
00254       if (str[0] == 3)   // ctrl-c sets the interrupt flag
00255          gROOT->SetInterrupt();
00256       fCanvas->HandleInput(kKeyPress, str[0], 0);
00257       if (fShowEventStatus) DrawEventStatus(event->fType, x, y, fCanvas->GetSelected());
00258    } else if (event->fType == kKeyRelease)
00259       fButton = 0;
00260 
00261    return kTRUE;
00262 }

Bool_t MINFEmbeddedCanvas::HandleContainerMotion (  Event_t *  ev  )  [private]
 

Definition at line 265 of file MINFEmbeddedCanvas.cxx.

References DrawEventStatus(), fButton, and fCanvas.

Referenced by MINFEmbeddedContainer::HandleMotion().

00266 {
00267    // Handle mouse motion event in the canvas container.
00268 
00269    Int_t x = event->fX;
00270    Int_t y = event->fY;
00271 
00272    if (fButton == 0)
00273       fCanvas->HandleInput(kMouseMotion, x, y);
00274       if (fShowEventStatus) DrawEventStatus(event->fType, x, y, fCanvas->GetSelected());
00275    if (fButton == kButton1)
00276       fCanvas->HandleInput(kButton1Motion, x, y);
00277       if (fShowEventStatus) DrawEventStatus(event->fType, x, y, fCanvas->GetSelected());
00278 
00279    return kTRUE;
00280 }

void MINFEmbeddedCanvas::SetShowEventStatus (  Bool_t  show  )  [inline]
 

Definition at line 49 of file MINFEmbeddedCanvas.h.

References fShowEventStatus.

Referenced by MINFDisplayFrame::ShowStatusBar().

00049 {fShowEventStatus = show;}

void MINFEmbeddedCanvas::SetStatusText (  Text_t *  txt,
Int_t  partidx
) 
 

Definition at line 305 of file MINFEmbeddedCanvas.cxx.

Referenced by DrawEventStatus().

00306 {
00307 
00308 // Set text in status bar.
00309    ((MINFDisplayFrame *) fParent)->SetStatusText(txt, partidx);
00310 }

void MINFEmbeddedCanvas::SetUnZoomPad (  TVirtualPad *  pad  ) 
 

Definition at line 313 of file MINFEmbeddedCanvas.cxx.

Referenced by HandleContainerButton().

00314 {
00315 
00316 // Set text in status bar.
00317    ((MINFDisplayFrame *) fParent)->SetUnZoomPad(pad);
00318 }

Friends And Related Function Documentation

friend class MINFEmbeddedContainer [friend]
 

Definition at line 22 of file MINFEmbeddedCanvas.h.

Member Data Documentation

Bool_t MINFEmbeddedCanvas::fAutoFit [private]
 

Definition at line 28 of file MINFEmbeddedCanvas.h.

Int_t MINFEmbeddedCanvas::fButton [private]
 

Definition at line 29 of file MINFEmbeddedCanvas.h.

Referenced by HandleContainerButton(), HandleContainerKey(), and HandleContainerMotion().

TCanvas* MINFEmbeddedCanvas::fCanvas [private]
 

Definition at line 26 of file MINFEmbeddedCanvas.h.

Referenced by HandleContainerButton(), HandleContainerConfigure(), HandleContainerCrossing(), HandleContainerDoubleClick(), HandleContainerExpose(), HandleContainerKey(), and HandleContainerMotion().

MINFEmbeddedContainer* MINFEmbeddedCanvas::fCanvasContainer [private]
 

Definition at line 25 of file MINFEmbeddedCanvas.h.

Bool_t MINFEmbeddedCanvas::fShowEventStatus [private]
 

Definition at line 30 of file MINFEmbeddedCanvas.h.

Referenced by SetShowEventStatus().

The documentation for this class was generated from the following files:
Generated on Mon Feb 15 11:09:35 2010 for loon by  doxygen 1.3.9.1