src/add-ons/input_server/methods/pen/PenInputLooper.h

   1 /*
   2         Copyright 2007, Francois Revol.   All Rights Reserved.
   3         This file may be used under the terms of the Be Sample Code License.
   4 */
   5 #ifndef _PEN_INPUT_LOOPER_H
   6 #define _PEN_INPUT_LOOPER_H
   7
   8 #include <MessageRunner.h>
   9 #include <Messenger.h>
  10 #include <Looper.h>
  11
  12 /* internal messages */
  13
  14 #define MSG_METHOD_ACTIVATED 'IMAc'
  15 #define MSGF_ACTIVE "active" /* bool */
  16
  17 #define MSG_BEGIN_INK 'InkB'
  18 #define MSG_END_INK 'InkE'
  19
  20 #define MSG_SHOW_WIN 'ShoW'
  21 #define MSG_HIDE_WIN 'HidW'
  22
  23 #define MSG_CHECK_PEN_DOWN 'ChkP'
  24
  25 /* menu messages */
  26
  27 #define MSG_SET_BACKEND 'SetB'
  28 #define MSGF_BACKEND "backend" /* string */
  29
  30 #define MSG_SHOW_INK 'InkS' /* toggle */
  31
  32
  33 class BMenu;
  34 class BWindow;
  35 class PenInputServerMethod;
  36 class PenInputInkWindow;
  37 class PenInputBackend;
  38
  39 class PenInputLooper : public BLooper
  40 {
  41 public:
  42         PenInputLooper(PenInputServerMethod *method);
  43         virtual void    Quit();
  44         void                    DispatchMessage(BMessage *message, BHandler *handler);
  45         void                    MessageReceived(BMessage *message);
  46         void                    EnqueueMessage(BMessage *message);
  47         status_t                InitCheck();
  48
  49 //      virtual ~PenInputLooper();
  50         void MethodActivated(bool active);
  51
  52 private:
  53         friend class PenInputInkWindow;
  54         void                    HandleMethodActivated(bool active);
  55         PenInputServerMethod *fOwner;
  56         PenInputInkWindow *fInkWindow;
  57         PenInputBackend *fBackend;
  58         BMenu *fDeskbarMenu;
  59         BMessenger fInkWindowMsgr;
  60         bool fMouseDown;
  61         bool fStroking;
  62         BMessageRunner *fThresholdRunner;
  63         BMessage *fCachedMouseDown;
  64         /* config */
  65         bool fShowInk;
  66         bigtime_t fMouseDownThreshold;
  67 };
  68
  69 #endif /* _PEN_INPUT_LOOPER_H */