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# dom2_eventsimpl.h

    00001 /*
    00002  * This file is part of the DOM implementation for KDE.
    00003  *
    00004  * (C) 2001 Peter Kelly (pmk@post.com)
    00005  * (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
    00006  *
    00007  * This library is free software; you can redistribute it and/or
    00008  * modify it under the terms of the GNU Library General Public
    00009  * License as published by the Free Software Foundation; either
    00010  * version 2 of the License, or (at your option) any later version.
    00011  *
    00012  * This library is distributed in the hope that it will be useful,
    00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00015  * Library General Public License for more details.
    00016  *
    00017  * You should have received a copy of the GNU Library General Public License
    00018  * along with this library; see the file COPYING.LIB.  If not, write to
    00019  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00020  * Boston, MA 02111-1307, USA.
    00021  *
    00022  * $Id: dom2_eventsimpl.h,v 1.24.2.3 2003/05/18 12:34:40 mueller Exp $
    00023  */
    00024
    00025 #ifndef _DOM_EventsImpl_h_
    00026 #define _DOM_EventsImpl_h_
    00027
    00028 #include "dom/dom2_events.h"
    00029 #include "misc/shared.h"
    00030 #include "xml/dom2_viewsimpl.h"
    00031 #include <qdatetime.h>
    00032 #include <qevent.h>
    00033
    00034 class KHTMLPart;
    00035
    00036 namespace DOM {
    00037
    00038 class AbstractViewImpl;
    00039 class DOMStringImpl;
    00040 class NodeImpl;
    00041
    00042 // ### support user-defined events
    00043
    00044 class EventImpl : public khtml::Shared<EventImpl>
    00045 {
    00046 public:
    00047     enum EventId {
    00048         UNKNOWN_EVENT = 0,
    00049         // UI events
    00050         DOMFOCUSIN_EVENT,
    00051         DOMFOCUSOUT_EVENT,
    00052         DOMACTIVATE_EVENT,
    00053         // Mouse events
    00054         CLICK_EVENT,
    00055         MOUSEDOWN_EVENT,
    00056         MOUSEUP_EVENT,
    00057         MOUSEOVER_EVENT,
    00058         MOUSEMOVE_EVENT,
    00059         MOUSEOUT_EVENT,
    00060         // Mutation events
    00061         DOMSUBTREEMODIFIED_EVENT,
    00062         DOMNODEINSERTED_EVENT,
    00063         DOMNODEREMOVED_EVENT,
    00064         DOMNODEREMOVEDFROMDOCUMENT_EVENT,
    00065         DOMNODEINSERTEDINTODOCUMENT_EVENT,
    00066         DOMATTRMODIFIED_EVENT,
    00067         DOMCHARACTERDATAMODIFIED_EVENT,
    00068         // HTML events
    00069         LOAD_EVENT,
    00070         UNLOAD_EVENT,
    00071         ABORT_EVENT,
    00072         ERROR_EVENT,
    00073         SELECT_EVENT,
    00074         CHANGE_EVENT,
    00075         SUBMIT_EVENT,
    00076         RESET_EVENT,
    00077         FOCUS_EVENT,
    00078         BLUR_EVENT,
    00079         RESIZE_EVENT,
    00080         SCROLL_EVENT,
    00081         // khtml events (not part of DOM)
    00082         KHTML_ECMA_DBLCLICK_EVENT, // for html ondblclick
    00083         KHTML_ECMA_CLICK_EVENT, // for html onclick
    00084         KHTML_DRAGDROP_EVENT,
    00085         KHTML_ERROR_EVENT,
    00086         KHTML_KEYDOWN_EVENT,
    00087         KHTML_KEYPRESS_EVENT,
    00088         KHTML_KEYUP_EVENT,
    00089         KHTML_MOVE_EVENT,
    00090         KHTML_ORIGCLICK_MOUSEUP_EVENT
    00091     };
    00092
    00093     EventImpl();
    00094     EventImpl(EventId _id, bool canBubbleArg, bool cancelableArg);
    00095     virtual ~EventImpl();
    00096
    00097     EventId id() { return m_id; }
    00098
    00099     DOMString type() const { return m_type; }
    00100     NodeImpl *target() const { return m_target; }
    00101     void setTarget(NodeImpl *_target);
    00102     NodeImpl *currentTarget() const { return m_currentTarget; }
    00103     void setCurrentTarget(NodeImpl *_currentTarget) { m_currentTarget = _currentTarget; }
    00104     unsigned short eventPhase() const { return m_eventPhase; }
    00105     void setEventPhase(unsigned short _eventPhase) { m_eventPhase = _eventPhase; }
    00106     bool bubbles() const { return m_canBubble; }
    00107     bool cancelable() const { return m_cancelable; }
    00108     DOMTimeStamp timeStamp();
    00109     void stopPropagation(bool stop) { m_propagationStopped = stop; }
    00110     void preventDefault(bool prevent) { if ( m_cancelable ) m_defaultPrevented = prevent; }
    00111
    00112     void initEvent(const DOMString &eventTypeArg, bool canBubbleArg, bool cancelableArg);
    00113
    00114     virtual bool isUIEvent() { return false; }
    00115     virtual bool isMouseEvent() { return false; }
    00116     virtual bool isTextEvent() { return false; }
    00117     virtual bool isMutationEvent() { return false; }
    00118     virtual DOMString eventModuleName() { return ""; }
    00119
    00120     virtual bool propagationStopped() { return m_propagationStopped; }
    00121     virtual bool defaultPrevented() { return m_defaultPrevented; }
    00122
    00123     static EventId typeToId(DOMString type);
    00124     static DOMString idToType(EventId id);
    00125
    00126     void setDefaultHandled() { m_defaultHandled = true; }
    00127     bool defaultHandled() const { return m_defaultHandled; }
    00128
    00129 protected:
    00130     DOMStringImpl *m_type;
    00131     bool m_canBubble;
    00132     bool m_cancelable;
    00133
    00134     bool m_propagationStopped;
    00135     bool m_defaultPrevented;
    00136     bool m_defaultHandled;
    00137     EventId m_id;
    00138     NodeImpl *m_currentTarget; // ref > 0 maintained externally
    00139     unsigned short m_eventPhase;
    00140     NodeImpl *m_target;
    00141     QDateTime m_createTime;
    00142 };
    00143
    00144
    00145
    00146 class UIEventImpl : public EventImpl
    00147 {
    00148 public:
    00149     UIEventImpl() : m_view(0), m_detail(0) {};
    00150     UIEventImpl(EventId _id,
    00151                 bool canBubbleArg,
    00152                 bool cancelableArg,
    00153                 AbstractViewImpl *viewArg,
    00154                 long detailArg);
    00155     virtual ~UIEventImpl();
    00156     AbstractViewImpl *view() const { return m_view; }
    00157     long detail() const { return m_detail; }
    00158     void initUIEvent(const DOMString &typeArg,
    00159                      bool canBubbleArg,
    00160                      bool cancelableArg,
    00161                      const AbstractView &viewArg,
    00162                      long detailArg);
    00163     virtual bool isUIEvent() { return true; }
    00164     virtual DOMString eventModuleName() { return "UIEvents"; }
    00165 protected:
    00166     AbstractViewImpl *m_view;
    00167     long m_detail;
    00168
    00169 };
    00170
    00171
    00172
    00173
    00174 // Introduced in DOM Level 2: - internal
    00175 class MouseEventImpl : public UIEventImpl {
    00176 public:
    00177     MouseEventImpl();
    00178     MouseEventImpl(EventId _id,
    00179                    bool canBubbleArg,
    00180                    bool cancelableArg,
    00181                    AbstractViewImpl *viewArg,
    00182                    long detailArg,
    00183                    long screenXArg,
    00184                    long screenYArg,
    00185                    long clientXArg,
    00186                    long clientYArg,
    00187                    bool ctrlKeyArg,
    00188                    bool altKeyArg,
    00189                    bool shiftKeyArg,
    00190                    bool metaKeyArg,
    00191                    unsigned short buttonArg,
    00192                    NodeImpl *relatedTargetArg);
    00193     virtual ~MouseEventImpl();
    00194     long screenX() const { return m_screenX; }
    00195     long screenY() const { return m_screenY; }
    00196     long clientX() const { return m_clientX; }
    00197     long clientY() const { return m_clientY; }
    00198     bool ctrlKey() const { return m_ctrlKey; }
    00199     bool shiftKey() const { return m_shiftKey; }
    00200     bool altKey() const { return m_altKey; }
    00201     bool metaKey() const { return m_metaKey; }
    00202     unsigned short button() const { return m_button; }
    00203     NodeImpl *relatedTarget() const { return m_relatedTarget; }
    00204
    00205
    00206     void initMouseEvent(const DOMString &typeArg,
    00207                         bool canBubbleArg,
    00208                         bool cancelableArg,
    00209                         const AbstractView &viewArg,
    00210                         long detailArg,
    00211                         long screenXArg,
    00212                         long screenYArg,
    00213                         long clientXArg,
    00214                         long clientYArg,
    00215                         bool ctrlKeyArg,
    00216                         bool altKeyArg,
    00217                         bool shiftKeyArg,
    00218                         bool metaKeyArg,
    00219                         unsigned short buttonArg,
    00220                         const Node &relatedTargetArg);
    00221     virtual bool isMouseEvent() { return true; }
    00222     virtual DOMString eventModuleName() { return "MouseEvents"; }
    00223 protected:
    00224     long m_screenX;
    00225     long m_screenY;
    00226     long m_clientX;
    00227     long m_clientY;
    00228     bool m_ctrlKey;
    00229     bool m_altKey;
    00230     bool m_shiftKey;
    00231     bool m_metaKey;
    00232     unsigned short m_button;
    00233     NodeImpl *m_relatedTarget;
    00234 };
    00235
    00236
    00237 class TextEventImpl : public UIEventImpl {
    00238 public:
    00239   TextEventImpl();
    00240   TextEventImpl(EventId _id,
    00241                bool canBubbleArg,
    00242                bool cancelableArg,
    00243                AbstractViewImpl *viewArg,
    00244                unsigned short detailArg,
    00245                DOMString &outputStringArg,
    00246                unsigned long keyValArg,
    00247                unsigned long virtKeyValArg,
    00248                bool inputGeneratedArg,
    00249                bool numPadArg);
    00250
    00251   TextEventImpl(QKeyEvent *key, AbstractViewImpl *view);
    00252
    00253   virtual ~TextEventImpl();
    00254
    00255   // VirtualKeyCode
    00256   enum KeyCodes  {
    00257          DOM_VK_UNDEFINED               = 0x0,
    00258          DOM_VK_RIGHT_ALT               = 0x01,
    00259          DOM_VK_LEFT_ALT                = 0x02,
    00260          DOM_VK_LEFT_CONTROL            = 0x03,
    00261          DOM_VK_RIGHT_CONTROL           = 0x04,
    00262          DOM_VK_LEFT_SHIFT              = 0x05,
    00263          DOM_VK_RIGHT_SHIFT             = 0x06,
    00264          DOM_VK_LEFT_META               = 0x07,
    00265          DOM_VK_RIGHT_META              = 0x08,
    00266          DOM_VK_CAPS_LOCK               = 0x09,
    00267          DOM_VK_DELETE                  = 0x0A,
    00268          DOM_VK_END                     = 0x0B,
    00269          DOM_VK_ENTER                   = 0x0C,
    00270          DOM_VK_ESCAPE                  = 0x0D,
    00271          DOM_VK_HOME                    = 0x0E,
    00272          DOM_VK_INSERT                  = 0x0F,
    00273          DOM_VK_NUM_LOCK                = 0x10,
    00274          DOM_VK_PAUSE                   = 0x11,
    00275          DOM_VK_PRINTSCREEN             = 0x12,
    00276          DOM_VK_SCROLL_LOCK             = 0x13,
    00277          DOM_VK_LEFT                    = 0x14,
    00278          DOM_VK_RIGHT                   = 0x15,
    00279          DOM_VK_UP                      = 0x16,
    00280          DOM_VK_DOWN                    = 0x17,
    00281          DOM_VK_PAGE_DOWN               = 0x18,
    00282          DOM_VK_PAGE_UP                 = 0x19,
    00283          DOM_VK_F1                      = 0x1A,
    00284          DOM_VK_F2                      = 0x1B,
    00285          DOM_VK_F3                      = 0x1C,
    00286          DOM_VK_F4                      = 0x1D,
    00287          DOM_VK_F5                      = 0x1E,
    00288          DOM_VK_F6                      = 0x1F,
    00289          DOM_VK_F7                      = 0x20,
    00290          DOM_VK_F8                      = 0x21,
    00291          DOM_VK_F9                      = 0x22,
    00292          DOM_VK_F10                     = 0x23,
    00293          DOM_VK_F11                     = 0x24,
    00294          DOM_VK_F12                     = 0x25,
    00295          DOM_VK_F13                     = 0x26,
    00296          DOM_VK_F14                     = 0x27,
    00297          DOM_VK_F15                     = 0x28,
    00298          DOM_VK_F16                     = 0x29,
    00299          DOM_VK_F17                     = 0x2A,
    00300          DOM_VK_F18                     = 0x2B,
    00301          DOM_VK_F19                     = 0x2C,
    00302          DOM_VK_F20                     = 0x2D,
    00303          DOM_VK_F21                     = 0x2E,
    00304          DOM_VK_F22                     = 0x2F,
    00305          DOM_VK_F23                     = 0x30,
    00306          DOM_VK_F24                     = 0x31
    00307   };
    00308
    00309   void initTextEvent(const DOMString &typeArg,
    00310                     bool canBubbleArg,
    00311                     bool cancelableArg,
    00312                     const AbstractView &viewArg,
    00313                     long detailArg,
    00314                     const DOMString &outputStringArg,
    00315                     unsigned long keyValArg,
    00316                     unsigned long virtKeyValArg,
    00317                     bool inputGeneratedArg,
    00318                     bool numPadArg);
    00319   void initModifier(unsigned long modifierArg, bool valueArg);
    00320
    00321   bool checkModifier(unsigned long modiferArg);
    00322
    00323  //Attributes:
    00324     bool             inputGenerated() const { return m_inputGenerated; }
    00325     unsigned long    keyVal() const { return m_keyVal; }
    00326     unsigned long    virtKeyVal() const { return m_virtKeyVal; }
    00327     bool             numPad() const { return m_numPad; }
    00328     DOMString        outputString() const { return m_outputString; }
    00329
    00330   virtual DOMString eventModuleName() { return "TextEvents"; }
    00331   virtual bool isTextEvent() { return true; }
    00332
    00333  QKeyEvent *qKeyEvent;
    00334
    00335 private:
    00336   unsigned long m_keyVal;
    00337   unsigned long m_virtKeyVal;
    00338   bool m_inputGenerated;
    00339   DOMString m_outputString;
    00340   bool m_numPad;
    00341   // bitfield containing state of modifiers. not part of the dom.
    00342   unsigned long    m_modifier;
    00343 };
    00344
    00345 class MutationEventImpl : public EventImpl {
    00346 // ### fire these during parsing (if necessary)
    00347 public:
    00348     MutationEventImpl();
    00349     MutationEventImpl(EventId _id,
    00350                       bool canBubbleArg,
    00351                       bool cancelableArg,
    00352                       const Node &relatedNodeArg,
    00353                       const DOMString &prevValueArg,
    00354                       const DOMString &newValueArg,
    00355                       const DOMString &attrNameArg,
    00356                       unsigned short attrChangeArg);
    00357     ~MutationEventImpl();
    00358
    00359     Node relatedNode() const { return m_relatedNode; }
    00360     DOMString prevValue() const { return m_prevValue; }
    00361     DOMString newValue() const { return m_newValue; }
    00362     DOMString attrName() const { return m_attrName; }
    00363     unsigned short attrChange() const { return m_attrChange; }
    00364     void initMutationEvent(const DOMString &typeArg,
    00365                            bool canBubbleArg,
    00366                            bool cancelableArg,
    00367                            const Node &relatedNodeArg,
    00368                            const DOMString &prevValueArg,
    00369                            const DOMString &newValueArg,
    00370                            const DOMString &attrNameArg,
    00371                            unsigned short attrChangeArg);
    00372     virtual bool isMutationEvent() { return true; }
    00373     virtual DOMString eventModuleName() { return "MutationEvents"; }
    00374 protected:
    00375     NodeImpl *m_relatedNode;
    00376     DOMStringImpl *m_prevValue;
    00377     DOMStringImpl *m_newValue;
    00378     DOMStringImpl *m_attrName;
    00379     unsigned short m_attrChange;
    00380 };
    00381
    00382
    00383 class RegisteredEventListener {
    00384 public:
    00385     RegisteredEventListener(EventImpl::EventId _id, EventListener *_listener, bool _useCapture)
    00386         : id(_id), listener(_listener), useCapture(_useCapture) { listener->ref(); }
    00387
    00388     ~RegisteredEventListener() { listener->deref(); }
    00389
    00390     bool operator==(const RegisteredEventListener &other)
    00391     { return id == other.id && listener == other.listener && useCapture == other.useCapture; }
    00392
    00393
    00394     EventImpl::EventId id;
    00395     EventListener *listener;
    00396     bool useCapture;
    00397 private:
    00398     RegisteredEventListener( const RegisteredEventListener & );
    00399     RegisteredEventListener & operator=( const RegisteredEventListener & );
    00400 };
    00401
    00402 } //namespace
    00403 #endif

This file is part of the documentation for kdelibs Version 3.1.5.
Documentation copyright © 1996-2002 the KDE developers.
Generated on Wed Jan 28 13:33:37 2004 by doxygen 1.3.4 written by Dimitri van Heesch, © 1997-2001