/* * Copyright (c) 1987, 1988, 1989, 1990, 1991 Stanford University * Copyright (c) 1991 Silicon Graphics, Inc. * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that (i) the above copyright notices and this permission notice appear in * all copies of the software and related documentation, and (ii) the names of * Stanford and Silicon Graphics may not be used in any advertising or * publicity relating to the software without the specific, prior written * permission of Stanford and Silicon Graphics. * * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ /* * Input events. */ #ifndef iv_event_h #define iv_event_h #if !defined(WIN32) && !MAC #define UNIX 1 #endif #include <InterViews/coord.h> #include <InterViews/_enter.h> class Display; class EventRep; class Interactor; class Handler; class Window; class World; typedef unsigned int EventType; typedef unsigned int EventButton; #if UNIX /* anachronism */ enum { MotionEvent, /* mouse moved */ DownEvent, /* button pressed */ UpEvent, /* button released */ KeyEvent, /* key pressed, intepreted as ascii */ EnterEvent, /* mouse enters canvas */ LeaveEvent, /* mouse leaves canvas */ FocusInEvent, /* focus for keyboard events */ FocusOutEvent /* lose keyboard focus */ }; /* mouse button anachronisms */ static const int LEFTMOUSE = 0; static const int MIDDLEMOUSE = 1; static const int RIGHTMOUSE = 2; #endif class Event { public: enum { undefined, motion, down, up, key, other_event }; enum { none, any, left, middle, right, other_button }; Event(); Event(const Event&); virtual ~Event(); virtual Event& operator =(const Event&); virtual void display(Display*); virtual Display* display() const; virtual void window(Window*); virtual Window* window() const; virtual boolean pending() const; virtual void read(); virtual boolean read(long sec, long usec); virtual void unread(); virtual void poll(); virtual Handler* handler() const; virtual void handle(); virtual void grab(Handler*) const; virtual void ungrab(Handler*) const; virtual Handler* grabber() const; virtual boolean is_grabbing(Handler*) const; virtual EventType type() const; virtual unsigned long time() const; virtual Coord pointer_x() const; virtual Coord pointer_y() const; virtual Coord pointer_root_x() const; virtual Coord pointer_root_y() const; virtual EventButton pointer_button() const; virtual unsigned int keymask() const; virtual boolean control_is_down() const; virtual boolean meta_is_down() const; virtual boolean shift_is_down() const; virtual boolean capslock_is_down() const; virtual boolean left_is_down() const; virtual boolean middle_is_down() const; virtual boolean right_is_down() const; virtual unsigned char keycode() const; virtual unsigned long keysym() const; virtual unsigned int mapkey(char*, unsigned int len) const; EventRep* rep() const; private: EventRep* rep_; char free_store_[200]; void copy_rep(const Event&); #if UNIX /* * Old members for backward compatibility */ public: Interactor* target; unsigned long timestamp; EventType eventType; IntCoord x, y; /* mouse position relative to target */ boolean control : 1; /* true if down */ boolean meta : 1; boolean shift : 1; boolean shiftlock : 1; boolean leftmouse : 1; boolean middlemouse : 1; boolean rightmouse : 1; unsigned char button; /* button pressed or released, if any */ unsigned short len; /* length of ASCII string */ char* keystring; /* ASCII interpretation of event, if any */ void GetAbsolute(IntCoord&, IntCoord&); void GetAbsolute(World*&, IntCoord&, IntCoord&); EventRep* Rep() const; private: World* w; _lib_iv2_6(Coord) wx, wy; char keydata[sizeof(int)]; friend class Interactor; void GetInfo(); void GetMotionInfo(); void GetButtonInfo(EventType); void GetKeyInfo(); void GetKeyState(unsigned); void GetCrossingInfo(EventType); #endif }; inline EventRep* Event::rep() const { return rep_; } #if UNIX inline EventRep* Event::Rep() const { return rep(); } #endif #include <InterViews/_leave.h> #endif