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gui
gui
src
TGEventHandler.cxx
Go to the documentation of this file.
1
// @(#)root/gui:$Id: TGEventHandler.cxx
2
// Author: Bertrand Bellenot 29/01/2008
3
4
/*************************************************************************
5
* Copyright (C) 1995-2008, Rene Brun and Fons Rademakers. *
6
* All rights reserved. *
7
* *
8
* For the licensing terms see $ROOTSYS/LICENSE. *
9
* For the list of contributors see $ROOTSYS/README/CREDITS. *
10
*************************************************************************/
11
12
//////////////////////////////////////////////////////////////////////////
13
// //
14
// TGEventHandler //
15
// //
16
//////////////////////////////////////////////////////////////////////////
17
18
#include "
TGEventHandler.h
"
19
#include "
TGWindow.h
"
20
21
ClassImp
(
TGEventHandler
);
22
23
////////////////////////////////////////////////////////////////////////////////
24
/// Handle the event. Returns true if the event has been handled,
25
/// false otherwise.
26
27
Bool_t
TGEventHandler::HandleEvent
(
Event_t
*ev)
28
{
29
return
fWindow
->
HandleEvent
(ev);
30
}
31
32
////////////////////////////////////////////////////////////////////////////////
33
/// Send message (i.e. event) to window w. Message is encoded in one long
34
/// as message type and up to two long parameters.
35
36
void
TGEventHandler::SendMessage
(
const
TGWindow
*w,
Long_t
msg,
Long_t
parm1,
37
Long_t
parm2)
38
{
39
Event_t
event;
40
41
if
(w) {
42
event
.
fType
=
kClientMessage
;
43
event
.fFormat = 32;
44
event
.fHandle =
gROOT_MESSAGE
;
45
46
event
.fWindow = w->
GetId
();
47
event
.fUser[0] = msg;
48
event
.fUser[1] = parm1;
49
event
.fUser[2] = parm2;
50
event
.fUser[3] = 0;
51
event
.fUser[4] = 0;
52
53
gVirtualX
->SendEvent(w->
GetId
(), &event);
54
}
55
}
TGEventHandler
Definition:
TGEventHandler.h:27
TGEventHandler::SendMessage
virtual void SendMessage(const TGWindow *w, Long_t msg, Long_t parm1, Long_t parm2)
Send message (i.e.
Definition:
TGEventHandler.cxx:36
TGWindow.h
Bool_t
bool Bool_t
Definition:
RtypesCore.h:59
TGEventHandler.h
TGObject::GetId
Handle_t GetId() const
Definition:
TGObject.h:47
kClientMessage
Definition:
GuiTypes.h:62
TGWindow
Definition:
TGWindow.h:32
Event_t::fType
EGEventType fType
Definition:
GuiTypes.h:174
gVirtualX
#define gVirtualX
Definition:
TVirtualX.h:350
Long_t
long Long_t
Definition:
RtypesCore.h:50
ClassImp
#define ClassImp(name)
Definition:
Rtypes.h:359
TGWindow::HandleEvent
virtual Bool_t HandleEvent(Event_t *)
Definition:
TGWindow.h:107
TGEventHandler::fWindow
TGWindow * fWindow
Definition:
TGEventHandler.h:35
Event_t
Definition:
GuiTypes.h:173
TGEventHandler::HandleEvent
virtual Bool_t HandleEvent(Event_t *ev)
Handle the event.
Definition:
TGEventHandler.cxx:27
gROOT_MESSAGE
R__EXTERN Atom_t gROOT_MESSAGE
Definition:
TVirtualX.h:41