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dolphin/Externals/wxWidgets/src/common/event.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: src/common/event.cpp
// Purpose: Event classes
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id: event.cpp 51404 2008-01-27 12:57:04Z VZ $
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "wx/event.h"
#ifndef WX_PRECOMP
#include "wx/list.h"
#include "wx/app.h"
#include "wx/utils.h"
#include "wx/stopwatch.h"
#include "wx/module.h"
#if wxUSE_GUI
#include "wx/control.h"
#include "wx/dc.h"
#include "wx/textctrl.h"
#include "wx/validate.h"
#endif // wxUSE_GUI
#endif
#if wxUSE_BASE
#include "wx/ptr_scpd.h"
wxDECLARE_SCOPED_PTR(wxEvent, wxEventPtr)
wxDEFINE_SCOPED_PTR(wxEvent, wxEventPtr)
#endif // wxUSE_BASE
// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------
#if wxUSE_BASE
IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
#endif // wxUSE_BASE
#if wxUSE_GUI
IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxNcPaintEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxChildFocusEvent, wxCommandEvent)
IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxSetCursorEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent)
IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent)
IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent, wxCommandEvent)
IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureChangedEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureLostEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxClipboardTextEvent, wxCommandEvent)
#endif // wxUSE_GUI
#if wxUSE_BASE
const wxEventTable *wxEvtHandler::GetEventTable() const
{ return &wxEvtHandler::sm_eventTable; }
const wxEventTable wxEvtHandler::sm_eventTable =
{ (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
wxEventHashTable &wxEvtHandler::GetEventHashTable() const
{ return wxEvtHandler::sm_eventHashTable; }
wxEventHashTable wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable);
const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
{ DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) };
#ifdef __WXDEBUG__
// Clear up event hash table contents or we can get problems
// when C++ is cleaning up the static object
class wxEventTableEntryModule: public wxModule
{
DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule)
public:
wxEventTableEntryModule() {}
bool OnInit()
{
wxEventHashTable::ReconstructAll();
return true;
}
void OnExit()
{
wxEventHashTable::ClearAll();
}
};
IMPLEMENT_DYNAMIC_CLASS(wxEventTableEntryModule, wxModule)
#endif
// ----------------------------------------------------------------------------
// global variables
// ----------------------------------------------------------------------------
// To put pending event handlers
wxList *wxPendingEvents = (wxList *)NULL;
#if wxUSE_THREADS
// protects wxPendingEvents list
wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL;
#endif
#if !WXWIN_COMPATIBILITY_EVENT_TYPES
// common event types are defined here, other event types are defined by the
// components which use them
const wxEventType wxEVT_FIRST = 10000;
const wxEventType wxEVT_USER_FIRST = wxEVT_FIRST + 2000;
DEFINE_EVENT_TYPE(wxEVT_NULL)
DEFINE_EVENT_TYPE(wxEVT_IDLE)
DEFINE_EVENT_TYPE(wxEVT_SOCKET)
#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
#endif // wxUSE_BASE
#if wxUSE_GUI
#if !WXWIN_COMPATIBILITY_EVENT_TYPES
DEFINE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_SELECTED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBUTTON_SELECTED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_SCROLLBAR_UPDATED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_VLBOX_SELECTED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED)
// Sockets and timers send events, too
DEFINE_EVENT_TYPE(wxEVT_TIMER)
// Mouse event types
DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN)
DEFINE_EVENT_TYPE(wxEVT_LEFT_UP)
DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DOWN)
DEFINE_EVENT_TYPE(wxEVT_MIDDLE_UP)
DEFINE_EVENT_TYPE(wxEVT_RIGHT_DOWN)
DEFINE_EVENT_TYPE(wxEVT_RIGHT_UP)
DEFINE_EVENT_TYPE(wxEVT_MOTION)
DEFINE_EVENT_TYPE(wxEVT_ENTER_WINDOW)
DEFINE_EVENT_TYPE(wxEVT_LEAVE_WINDOW)
DEFINE_EVENT_TYPE(wxEVT_LEFT_DCLICK)
DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DCLICK)
DEFINE_EVENT_TYPE(wxEVT_RIGHT_DCLICK)
DEFINE_EVENT_TYPE(wxEVT_SET_FOCUS)
DEFINE_EVENT_TYPE(wxEVT_KILL_FOCUS)
DEFINE_EVENT_TYPE(wxEVT_CHILD_FOCUS)
DEFINE_EVENT_TYPE(wxEVT_MOUSEWHEEL)
// Non-client mouse events
DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DOWN)
DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_UP)
DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DOWN)
DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_UP)
DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DOWN)
DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_UP)
DEFINE_EVENT_TYPE(wxEVT_NC_MOTION)
DEFINE_EVENT_TYPE(wxEVT_NC_ENTER_WINDOW)
DEFINE_EVENT_TYPE(wxEVT_NC_LEAVE_WINDOW)
DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DCLICK)
DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DCLICK)
DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DCLICK)
// Character input event type
DEFINE_EVENT_TYPE(wxEVT_CHAR)
DEFINE_EVENT_TYPE(wxEVT_CHAR_HOOK)
DEFINE_EVENT_TYPE(wxEVT_NAVIGATION_KEY)
DEFINE_EVENT_TYPE(wxEVT_KEY_DOWN)
DEFINE_EVENT_TYPE(wxEVT_KEY_UP)
#if wxUSE_HOTKEY
DEFINE_EVENT_TYPE(wxEVT_HOTKEY)
#endif
// Set cursor event
DEFINE_EVENT_TYPE(wxEVT_SET_CURSOR)
// wxScrollbar and wxSlider event identifiers
DEFINE_EVENT_TYPE(wxEVT_SCROLL_TOP)
DEFINE_EVENT_TYPE(wxEVT_SCROLL_BOTTOM)
DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEUP)
DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEDOWN)
DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP)
DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN)
DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK)
DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE)
DEFINE_EVENT_TYPE(wxEVT_SCROLL_CHANGED)
// Scroll events from wxWindow
DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM)
DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP)
DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN)
DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP)
DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN)
DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK)
DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE)
// System events
DEFINE_EVENT_TYPE(wxEVT_SIZE)
DEFINE_EVENT_TYPE(wxEVT_SIZING)
DEFINE_EVENT_TYPE(wxEVT_MOVE)
DEFINE_EVENT_TYPE(wxEVT_MOVING)
DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW)
DEFINE_EVENT_TYPE(wxEVT_END_SESSION)
DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION)
DEFINE_EVENT_TYPE(wxEVT_HIBERNATE)
DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP)
DEFINE_EVENT_TYPE(wxEVT_POWER)
DEFINE_EVENT_TYPE(wxEVT_ACTIVATE)
DEFINE_EVENT_TYPE(wxEVT_CREATE)
DEFINE_EVENT_TYPE(wxEVT_DESTROY)
DEFINE_EVENT_TYPE(wxEVT_SHOW)
DEFINE_EVENT_TYPE(wxEVT_ICONIZE)
DEFINE_EVENT_TYPE(wxEVT_MAXIMIZE)
DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED)
DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_LOST)
DEFINE_EVENT_TYPE(wxEVT_PAINT)
DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND)
DEFINE_EVENT_TYPE(wxEVT_NC_PAINT)
DEFINE_EVENT_TYPE(wxEVT_PAINT_ICON)
DEFINE_EVENT_TYPE(wxEVT_MENU_OPEN)
DEFINE_EVENT_TYPE(wxEVT_MENU_CLOSE)
DEFINE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT)
DEFINE_EVENT_TYPE(wxEVT_CONTEXT_MENU)
DEFINE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED)
DEFINE_EVENT_TYPE(wxEVT_DISPLAY_CHANGED)
DEFINE_EVENT_TYPE(wxEVT_SETTING_CHANGED)
DEFINE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE)
DEFINE_EVENT_TYPE(wxEVT_PALETTE_CHANGED)
DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN)
DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP)
DEFINE_EVENT_TYPE(wxEVT_JOY_MOVE)
DEFINE_EVENT_TYPE(wxEVT_JOY_ZMOVE)
DEFINE_EVENT_TYPE(wxEVT_DROP_FILES)
DEFINE_EVENT_TYPE(wxEVT_DRAW_ITEM)
DEFINE_EVENT_TYPE(wxEVT_MEASURE_ITEM)
DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM)
DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG)
DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI)
// Clipboard events
DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_COPY)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_CUT)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_PASTE)
// Generic command events
// Note: a click is a higher-level event than button down/up
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER)
// Help events
DEFINE_EVENT_TYPE(wxEVT_HELP)
DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP)
#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
#endif // wxUSE_GUI
#if wxUSE_BASE
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// event initialization
// ----------------------------------------------------------------------------
int wxNewEventType()
{
// MT-FIXME
static int s_lastUsedEventType = wxEVT_FIRST;
return s_lastUsedEventType++;
}
// ----------------------------------------------------------------------------
// wxEvent
// ----------------------------------------------------------------------------
/*
* General wxWidgets events, covering
* all interesting things that might happen (button clicking, resizing,
* setting text in widgets, etc.).
*
* For each completely new event type, derive a new event class.
*
*/
wxEvent::wxEvent(int theId, wxEventType commandType )
{
m_eventType = commandType;
m_eventObject = (wxObject *) NULL;
m_timeStamp = 0;
m_id = theId;
m_skipped = false;
m_callbackUserData = (wxObject *) NULL;
m_isCommandEvent = false;
m_propagationLevel = wxEVENT_PROPAGATE_NONE;
}
wxEvent::wxEvent(const wxEvent &src)
: wxObject(src)
, m_eventObject(src.m_eventObject)
, m_eventType(src.m_eventType)
, m_timeStamp(src.m_timeStamp)
, m_id(src.m_id)
, m_callbackUserData(src.m_callbackUserData)
, m_propagationLevel(src.m_propagationLevel)
, m_skipped(src.m_skipped)
, m_isCommandEvent(src.m_isCommandEvent)
{
}
#endif // wxUSE_BASE
#if wxUSE_GUI
/*
* Command events
*
*/
#ifdef __VISUALC__
// 'this' : used in base member initializer list (for m_commandString)
#pragma warning(disable:4355)
#endif
wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
: wxEvent(theId, commandType)
#if WXWIN_COMPATIBILITY_2_4
, m_commandString(this)
#endif
{
m_clientData = (char *) NULL;
m_clientObject = (wxClientData *) NULL;
m_extraLong = 0;
m_commandInt = 0;
m_isCommandEvent = true;
// the command events are propagated upwards by default
m_propagationLevel = wxEVENT_PROPAGATE_MAX;
}
#ifdef __VISUALC__
#pragma warning(default:4355)
#endif
wxString wxCommandEvent::GetString() const
{
if(m_eventType != wxEVT_COMMAND_TEXT_UPDATED || !m_eventObject)
return m_cmdString;
else
{
#if wxUSE_TEXTCTRL
wxTextCtrl *txt = wxDynamicCast(m_eventObject, wxTextCtrl);
if(txt)
return txt->GetValue();
else
#endif // wxUSE_TEXTCTRL
return m_cmdString;
}
}
/*
* UI update events
*/
#if wxUSE_LONGLONG
wxLongLong wxUpdateUIEvent::sm_lastUpdate = 0;
#endif
long wxUpdateUIEvent::sm_updateInterval = 0;
wxUpdateUIMode wxUpdateUIEvent::sm_updateMode = wxUPDATE_UI_PROCESS_ALL;
// Can we update?
bool wxUpdateUIEvent::CanUpdate(wxWindowBase *win)
{
// Don't update if we've switched global updating off
// and this window doesn't support updates.
if (win &&
(GetMode() == wxUPDATE_UI_PROCESS_SPECIFIED &&
((win->GetExtraStyle() & wxWS_EX_PROCESS_UI_UPDATES) == 0)))
return false;
if (sm_updateInterval == -1)
return false;
if (sm_updateInterval == 0)
return true;
#if wxUSE_STOPWATCH && wxUSE_LONGLONG
wxLongLong now = wxGetLocalTimeMillis();
if (now > (sm_lastUpdate + sm_updateInterval))
{
return true;
}
return false;
#else
// If we don't have wxStopWatch or wxLongLong, we
// should err on the safe side and update now anyway.
return true;
#endif
}
// Reset the update time to provide a delay until the next
// time we should update
void wxUpdateUIEvent::ResetUpdateTime()
{
#if wxUSE_STOPWATCH && wxUSE_LONGLONG
if (sm_updateInterval > 0)
{
wxLongLong now = wxGetLocalTimeMillis();
if (now > (sm_lastUpdate + sm_updateInterval))
{
sm_lastUpdate = now;
}
}
#endif
}
/*
* Idle events
*/
wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
// Can we send an idle event?
bool wxIdleEvent::CanSend(wxWindow* win)
{
// Don't update if we've switched global updating off
// and this window doesn't support updates.
if (win &&
(GetMode() == wxIDLE_PROCESS_SPECIFIED &&
((win->GetExtraStyle() & wxWS_EX_PROCESS_IDLE) == 0)))
return false;
return true;
}
/*
* Scroll events
*/
wxScrollEvent::wxScrollEvent(wxEventType commandType,
int id,
int pos,
int orient)
: wxCommandEvent(commandType, id)
{
m_extraLong = orient;
m_commandInt = pos;
}
/*
* ScrollWin events
*/
wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
int pos,
int orient)
{
m_eventType = commandType;
m_extraLong = orient;
m_commandInt = pos;
}
/*
* Mouse events
*
*/
wxMouseEvent::wxMouseEvent(wxEventType commandType)
{
m_eventType = commandType;
m_metaDown = false;
m_altDown = false;
m_controlDown = false;
m_shiftDown = false;
m_leftDown = false;
m_rightDown = false;
m_middleDown = false;
m_x = 0;
m_y = 0;
m_wheelRotation = 0;
m_wheelDelta = 0;
m_linesPerAction = 0;
}
void wxMouseEvent::Assign(const wxMouseEvent& event)
{
m_eventType = event.m_eventType;
m_x = event.m_x;
m_y = event.m_y;
m_leftDown = event.m_leftDown;
m_middleDown = event.m_middleDown;
m_rightDown = event.m_rightDown;
m_controlDown = event.m_controlDown;
m_shiftDown = event.m_shiftDown;
m_altDown = event.m_altDown;
m_metaDown = event.m_metaDown;
m_wheelRotation = event.m_wheelRotation;
m_wheelDelta = event.m_wheelDelta;
m_linesPerAction = event.m_linesPerAction;
}
// return true if was a button dclick event
bool wxMouseEvent::ButtonDClick(int but) const
{
switch (but)
{
default:
wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
// fall through
case wxMOUSE_BTN_ANY:
return (LeftDClick() || MiddleDClick() || RightDClick());
case wxMOUSE_BTN_LEFT:
return LeftDClick();
case wxMOUSE_BTN_MIDDLE:
return MiddleDClick();
case wxMOUSE_BTN_RIGHT:
return RightDClick();
}
}
// return true if was a button down event
bool wxMouseEvent::ButtonDown(int but) const
{
switch (but)
{
default:
wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
// fall through
case wxMOUSE_BTN_ANY:
return (LeftDown() || MiddleDown() || RightDown());
case wxMOUSE_BTN_LEFT:
return LeftDown();
case wxMOUSE_BTN_MIDDLE:
return MiddleDown();
case wxMOUSE_BTN_RIGHT:
return RightDown();
}
}
// return true if was a button up event
bool wxMouseEvent::ButtonUp(int but) const
{
switch (but)
{
default:
wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
// fall through
case wxMOUSE_BTN_ANY:
return (LeftUp() || MiddleUp() || RightUp());
case wxMOUSE_BTN_LEFT:
return LeftUp();
case wxMOUSE_BTN_MIDDLE:
return MiddleUp();
case wxMOUSE_BTN_RIGHT:
return RightUp();
}
}
// return true if the given button is currently changing state
bool wxMouseEvent::Button(int but) const
{
switch (but)
{
default:
wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
// fall through
case wxMOUSE_BTN_ANY:
return ButtonUp(wxMOUSE_BTN_ANY) ||
ButtonDown(wxMOUSE_BTN_ANY) ||
ButtonDClick(wxMOUSE_BTN_ANY);
case wxMOUSE_BTN_LEFT:
return LeftDown() || LeftUp() || LeftDClick();
case wxMOUSE_BTN_MIDDLE:
return MiddleDown() || MiddleUp() || MiddleDClick();
case wxMOUSE_BTN_RIGHT:
return RightDown() || RightUp() || RightDClick();
}
}
bool wxMouseEvent::ButtonIsDown(int but) const
{
switch (but)
{
default:
wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
// fall through
case wxMOUSE_BTN_ANY:
return LeftIsDown() || MiddleIsDown() || RightIsDown();
case wxMOUSE_BTN_LEFT:
return LeftIsDown();
case wxMOUSE_BTN_MIDDLE:
return MiddleIsDown();
case wxMOUSE_BTN_RIGHT:
return RightIsDown();
}
}
int wxMouseEvent::GetButton() const
{
for ( int i = 1; i <= 3; i++ )
{
if ( Button(i) )
{
return i;
}
}
return wxMOUSE_BTN_NONE;
}
// Find the logical position of the event given the DC
wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
{
wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y));
return pt;
}
/*
* Keyboard event
*
*/
wxKeyEvent::wxKeyEvent(wxEventType type)
{
m_eventType = type;
m_shiftDown = false;
m_controlDown = false;
m_metaDown = false;
m_altDown = false;
m_keyCode = 0;
m_scanCode = 0;
#if wxUSE_UNICODE
m_uniChar = 0;
#endif
}
wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt)
: wxEvent(evt)
{
m_x = evt.m_x;
m_y = evt.m_y;
m_keyCode = evt.m_keyCode;
m_controlDown = evt.m_controlDown;
m_shiftDown = evt.m_shiftDown;
m_altDown = evt.m_altDown;
m_metaDown = evt.m_metaDown;
m_scanCode = evt.m_scanCode;
m_rawCode = evt.m_rawCode;
m_rawFlags = evt.m_rawFlags;
#if wxUSE_UNICODE
m_uniChar = evt.m_uniChar;
#endif
}
#if WXWIN_COMPATIBILITY_2_6
long wxKeyEvent::KeyCode() const
{
return m_keyCode;
}
#endif // WXWIN_COMPATIBILITY_2_6
wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
{
SetEventType(wxEVT_CREATE);
SetEventObject(win);
}
wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
{
SetEventType(wxEVT_DESTROY);
SetEventObject(win);
}
wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
: wxCommandEvent(wxEVT_CHILD_FOCUS)
{
SetEventObject(win);
}
// ----------------------------------------------------------------------------
// wxHelpEvent
// ----------------------------------------------------------------------------
/* static */
wxHelpEvent::Origin wxHelpEvent::GuessOrigin(Origin origin)
{
if ( origin == Origin_Unknown )
{
// assume that the event comes from the help button if it's not from
// keyboard and that pressing F1 always results in the help event
origin = wxGetKeyState(WXK_F1) ? Origin_Keyboard : Origin_HelpButton;
}
return origin;
}
#endif // wxUSE_GUI
#if wxUSE_BASE
// ----------------------------------------------------------------------------
// wxEventHashTable
// ----------------------------------------------------------------------------
static const int EVENT_TYPE_TABLE_INIT_SIZE = 31; // Not too big not too small...
wxEventHashTable* wxEventHashTable::sm_first = NULL;
wxEventHashTable::wxEventHashTable(const wxEventTable &table)
: m_table(table),
m_rebuildHash(true)
{
AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE);
m_next = sm_first;
if (m_next)
m_next->m_previous = this;
sm_first = this;
}
wxEventHashTable::~wxEventHashTable()
{
if (m_next)
m_next->m_previous = m_previous;
if (m_previous)
m_previous->m_next = m_next;
if (sm_first == this)
sm_first = m_next;
Clear();
}
void wxEventHashTable::Clear()
{
size_t i;
for(i = 0; i < m_size; i++)
{
EventTypeTablePointer eTTnode = m_eventTypeTable[i];
if (eTTnode)
{
delete eTTnode;
}
}
// Necessary in order to not invoke the
// overloaded delete operator when statics are cleaned up
if (m_eventTypeTable)
delete[] m_eventTypeTable;
m_eventTypeTable = NULL;
m_size = 0;
}
// Clear all tables
void wxEventHashTable::ClearAll()
{
wxEventHashTable* table = sm_first;
while (table)
{
table->Clear();
table = table->m_next;
}
}
// Rebuild all tables if they were cleared by ClearAll
void wxEventHashTable::ReconstructAll()
{
wxEventHashTable* table = sm_first;
while (table)
{
// This will only be true if the event table was cleared.
// What we do here is basically what the constructor does.
if(table->m_eventTypeTable == NULL)
{
table->AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE);
table->m_rebuildHash = true;
}
table = table->m_next;
}
}
bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self)
{
if (m_rebuildHash)
{
InitHashTable();
m_rebuildHash = false;
}
if (!m_eventTypeTable)
return false;
// Find all entries for the given event type.
wxEventType eventType = event.GetEventType();
const EventTypeTablePointer eTTnode = m_eventTypeTable[eventType % m_size];
if (eTTnode && eTTnode->eventType == eventType)
{
// Now start the search for an event handler
// that can handle an event with the given ID.
const wxEventTableEntryPointerArray&
eventEntryTable = eTTnode->eventEntryTable;
const size_t count = eventEntryTable.GetCount();
for (size_t n = 0; n < count; n++)
{
if ( wxEvtHandler::
ProcessEventIfMatches(*eventEntryTable[n], self, event) )
{
return true;
}
}
}
return false;
}
void wxEventHashTable::InitHashTable()
{
// Loop over the event tables and all its base tables.
const wxEventTable *table = &m_table;
while (table)
{
// Retrieve all valid event handler entries
const wxEventTableEntry *entry = table->entries;
while (entry->m_fn != 0)
{
// Add the event entry in the Hash.
AddEntry(*entry);
entry++;
}
table = table->baseTable;
}
// Lets free some memory.
size_t i;
for(i = 0; i < m_size; i++)
{
EventTypeTablePointer eTTnode = m_eventTypeTable[i];
if (eTTnode)
{
eTTnode->eventEntryTable.Shrink();
}
}
}
void wxEventHashTable::AddEntry(const wxEventTableEntry &entry)
{
// This might happen 'accidentally' as the app is exiting
if (!m_eventTypeTable)
return;
EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size];
EventTypeTablePointer eTTnode = *peTTnode;
if (eTTnode)
{
if (eTTnode->eventType != entry.m_eventType)
{
// Resize the table!
GrowEventTypeTable();
// Try again to add it.
AddEntry(entry);
return;
}
}
else
{
eTTnode = new EventTypeTable;
eTTnode->eventType = entry.m_eventType;
*peTTnode = eTTnode;
}
// Fill all hash entries between entry.m_id and entry.m_lastId...
eTTnode->eventEntryTable.Add(&entry);
}
void wxEventHashTable::AllocEventTypeTable(size_t size)
{
m_eventTypeTable = new EventTypeTablePointer[size];
memset((void *)m_eventTypeTable, 0, sizeof(EventTypeTablePointer)*size);
m_size = size;
}
void wxEventHashTable::GrowEventTypeTable()
{
size_t oldSize = m_size;
EventTypeTablePointer *oldEventTypeTable = m_eventTypeTable;
// TODO: Search the most optimal grow sequence
AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize*2+1);
for ( size_t i = 0; i < oldSize; /* */ )
{
EventTypeTablePointer eTToldNode = oldEventTypeTable[i];
if (eTToldNode)
{
EventTypeTablePointer *peTTnode = &m_eventTypeTable[eTToldNode->eventType % m_size];
EventTypeTablePointer eTTnode = *peTTnode;
// Check for collision, we don't want any.
if (eTTnode)
{
GrowEventTypeTable();
continue; // Don't increment the counter,
// as we still need to add this element.
}
else
{
// Get the old value and put it in the new table.
*peTTnode = oldEventTypeTable[i];
}
}
i++;
}
delete[] oldEventTypeTable;
}
// ----------------------------------------------------------------------------
// wxEvtHandler
// ----------------------------------------------------------------------------
/*
* Event handler
*/
wxEvtHandler::wxEvtHandler()
{
m_nextHandler = (wxEvtHandler *) NULL;
m_previousHandler = (wxEvtHandler *) NULL;
m_enabled = true;
m_dynamicEvents = (wxList *) NULL;
m_pendingEvents = (wxList *) NULL;
#if wxUSE_THREADS
# if !defined(__VISAGECPP__)
m_eventsLocker = new wxCriticalSection;
# endif
#endif
// no client data (yet)
m_clientData = NULL;
m_clientDataType = wxClientData_None;
}
wxEvtHandler::~wxEvtHandler()
{
// Takes itself out of the list of handlers
if (m_previousHandler)
m_previousHandler->m_nextHandler = m_nextHandler;
if (m_nextHandler)
m_nextHandler->m_previousHandler = m_previousHandler;
if (m_dynamicEvents)
{
for ( wxList::iterator it = m_dynamicEvents->begin(),
end = m_dynamicEvents->end();
it != end;
++it )
{
#if WXWIN_COMPATIBILITY_EVENT_TYPES
wxEventTableEntry *entry = (wxEventTableEntry*)*it;
#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)*it;
#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
if (entry->m_callbackUserData)
delete entry->m_callbackUserData;
delete entry;
}
delete m_dynamicEvents;
};
if (m_pendingEvents)
m_pendingEvents->DeleteContents(true);
delete m_pendingEvents;
#if wxUSE_THREADS
# if !defined(__VISAGECPP__)
delete m_eventsLocker;
# endif
// Remove us from wxPendingEvents if necessary.
if(wxPendingEventsLocker)
wxENTER_CRIT_SECT(*wxPendingEventsLocker);
if ( wxPendingEvents )
{
// Delete all occurences of this from the list of pending events
while (wxPendingEvents->DeleteObject(this)) { } // Do nothing
}
if(wxPendingEventsLocker)
wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
#endif
// we only delete object data, not untyped
if ( m_clientDataType == wxClientData_Object )
delete m_clientObject;
}
#if wxUSE_THREADS
bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
{
// check that we are really in a child thread
wxASSERT_MSG( !wxThread::IsMain(),
wxT("use ProcessEvent() in main thread") );
AddPendingEvent(event);
return true;
}
void wxEvtHandler::ClearEventLocker()
{
#if !defined(__VISAGECPP__)
delete m_eventsLocker;
m_eventsLocker = NULL;
#endif
}
#endif // wxUSE_THREADS
void wxEvtHandler::AddPendingEvent(wxEvent& event)
{
// 1) Add event to list of pending events of this event handler
wxEvent *eventCopy = event.Clone();
// we must be able to copy the events here so the event class must
// implement Clone() properly instead of just providing a NULL stab for it
wxCHECK_RET( eventCopy,
_T("events of this type aren't supposed to be posted") );
wxENTER_CRIT_SECT( Lock() );
if ( !m_pendingEvents )
m_pendingEvents = new wxList;
m_pendingEvents->Append(eventCopy);
wxLEAVE_CRIT_SECT( Lock() );
// 2) Add this event handler to list of event handlers that
// have pending events.
wxENTER_CRIT_SECT(*wxPendingEventsLocker);
if ( !wxPendingEvents )
wxPendingEvents = new wxList;
wxPendingEvents->Append(this);
wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
// 3) Inform the system that new pending events are somewhere,
// and that these should be processed in idle time.
wxWakeUpIdle();
}
void wxEvtHandler::ProcessPendingEvents()
{
// this method is only called by wxApp if this handler does have
// pending events
wxCHECK_RET( m_pendingEvents,
wxT("Please call wxApp::ProcessPendingEvents() instead") );
wxENTER_CRIT_SECT( Lock() );
// we leave the loop once we have processed all events that were present at
// the start of ProcessPendingEvents because otherwise we could get into
// infinite loop if the pending event handler execution resulted in another
// event being posted
size_t n = m_pendingEvents->size();
for ( wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
node;
node = m_pendingEvents->GetFirst() )
{
wxEventPtr event(wx_static_cast(wxEvent *, node->GetData()));
// It's important we remove event from list before processing it.
// Else a nested event loop, for example from a modal dialog, might
// process the same event again.
m_pendingEvents->Erase(node);
wxLEAVE_CRIT_SECT( Lock() );
ProcessEvent(*event);
wxENTER_CRIT_SECT( Lock() );
if ( --n == 0 )
break;
}
wxLEAVE_CRIT_SECT( Lock() );
}
/*
* Event table stuff
*/
/* static */ bool
wxEvtHandler::ProcessEventIfMatches(const wxEventTableEntryBase& entry,
wxEvtHandler *handler,
wxEvent& event)
{
int tableId1 = entry.m_id,
tableId2 = entry.m_lastId;
// match only if the event type is the same and the id is either -1 in
// the event table (meaning "any") or the event id matches the id
// specified in the event table either exactly or by falling into
// range between first and last
if ((tableId1 == wxID_ANY) ||
(tableId2 == wxID_ANY && tableId1 == event.GetId()) ||
(tableId2 != wxID_ANY &&
(event.GetId() >= tableId1 && event.GetId() <= tableId2)))
{
event.Skip(false);
event.m_callbackUserData = entry.m_callbackUserData;
#if wxUSE_EXCEPTIONS
if ( wxTheApp )
{
// call the handler via wxApp method which allows the user to catch
// any exceptions which may be thrown by any handler in the program
// in one place
wxTheApp->HandleEvent(handler, (wxEventFunction)entry.m_fn, event);
}
else
#endif // wxUSE_EXCEPTIONS
{
// no need for an extra virtual function call
(handler->*((wxEventFunction) (entry.m_fn)))(event);
}
if (!event.GetSkipped())
return true;
}
return false;
}
bool wxEvtHandler::TryParent(wxEvent& event)
{
if ( wxTheApp && (this != wxTheApp) )
{
// Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
// swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
// processed appropriately via SearchEventTable.
if ( event.GetEventType() != wxEVT_IDLE )
{
if ( wxTheApp->ProcessEvent(event) )
return true;
}
}
return false;
}
bool wxEvtHandler::ProcessEvent(wxEvent& event)
{
// allow the application to hook into event processing
if ( wxTheApp )
{
int rc = wxTheApp->FilterEvent(event);
if ( rc != -1 )
{
wxASSERT_MSG( rc == 1 || rc == 0,
_T("unexpected wxApp::FilterEvent return value") );
return rc != 0;
}
//else: proceed normally
}
// An event handler can be enabled or disabled
if ( GetEvtHandlerEnabled() )
{
// if we have a validator, it has higher priority than our own event
// table
if ( TryValidator(event) )
return true;
// Handle per-instance dynamic event tables first
if ( m_dynamicEvents && SearchDynamicEventTable(event) )
return true;
// Then static per-class event tables
if ( GetEventHashTable().HandleEvent(event, this) )
return true;
}
// Try going down the event handler chain
if ( GetNextHandler() )
{
if ( GetNextHandler()->ProcessEvent(event) )
return true;
}
// Finally propagate the event upwards the window chain and/or to the
// application object as necessary
return TryParent(event);
}
bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
{
const wxEventType eventType = event.GetEventType();
for ( int i = 0; table.entries[i].m_fn != 0; i++ )
{
const wxEventTableEntry& entry = table.entries[i];
if ( eventType == entry.m_eventType )
{
if ( ProcessEventIfMatches(entry, this, event) )
return true;
}
}
return false;
}
void wxEvtHandler::Connect( int id, int lastId,
int eventType,
wxObjectEventFunction func,
wxObject *userData,
wxEvtHandler* eventSink )
{
#if WXWIN_COMPATIBILITY_EVENT_TYPES
wxEventTableEntry *entry = new wxEventTableEntry;
entry->m_eventType = eventType;
entry->m_id = id;
entry->m_lastId = lastId;
entry->m_fn = func;
entry->m_callbackUserData = userData;
#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
wxDynamicEventTableEntry *entry =
new wxDynamicEventTableEntry(eventType, id, lastId, func, userData, eventSink);
#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
if (!m_dynamicEvents)
m_dynamicEvents = new wxList;
// Insert at the front of the list so most recent additions are found first
m_dynamicEvents->Insert( (wxObject*) entry );
}
bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
wxObjectEventFunction func,
wxObject *userData,
wxEvtHandler* eventSink )
{
if (!m_dynamicEvents)
return false;
wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
while (node)
{
#if WXWIN_COMPATIBILITY_EVENT_TYPES
wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
if ((entry->m_id == id) &&
((entry->m_lastId == lastId) || (lastId == wxID_ANY)) &&
((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
((entry->m_eventSink == eventSink) || (eventSink == (wxEvtHandler*)NULL)) &&
((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
{
if (entry->m_callbackUserData)
delete entry->m_callbackUserData;
m_dynamicEvents->Erase( node );
delete entry;
return true;
}
node = node->GetNext();
}
return false;
}
bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
{
wxCHECK_MSG( m_dynamicEvents, false,
wxT("caller should check that we have dynamic events") );
wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
while (node)
{
#if WXWIN_COMPATIBILITY_EVENT_TYPES
wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
// get next node before (maybe) calling the event handler as it could
// call Disconnect() invalidating the current node
node = node->GetNext();
if ((event.GetEventType() == entry->m_eventType) && (entry->m_fn != 0))
{
wxEvtHandler *handler =
#if !WXWIN_COMPATIBILITY_EVENT_TYPES
entry->m_eventSink ? entry->m_eventSink
:
#endif
this;
if ( ProcessEventIfMatches(*entry, handler, event) )
{
return true;
}
}
}
return false;
}
void wxEvtHandler::DoSetClientObject( wxClientData *data )
{
wxASSERT_MSG( m_clientDataType != wxClientData_Void,
wxT("can't have both object and void client data") );
if ( m_clientObject )
delete m_clientObject;
m_clientObject = data;
m_clientDataType = wxClientData_Object;
}
wxClientData *wxEvtHandler::DoGetClientObject() const
{
// it's not an error to call GetClientObject() on a window which doesn't
// have client data at all - NULL will be returned
wxASSERT_MSG( m_clientDataType != wxClientData_Void,
wxT("this window doesn't have object client data") );
return m_clientObject;
}
void wxEvtHandler::DoSetClientData( void *data )
{
wxASSERT_MSG( m_clientDataType != wxClientData_Object,
wxT("can't have both object and void client data") );
m_clientData = data;
m_clientDataType = wxClientData_Void;
}
void *wxEvtHandler::DoGetClientData() const
{
// it's not an error to call GetClientData() on a window which doesn't have
// client data at all - NULL will be returned
wxASSERT_MSG( m_clientDataType != wxClientData_Object,
wxT("this window doesn't have void client data") );
return m_clientData;
}
#endif // wxUSE_BASE
#if wxUSE_GUI
// Find a window with the focus, that is also a descendant of the given window.
// This is used to determine the window to initially send commands to.
wxWindow* wxFindFocusDescendant(wxWindow* ancestor)
{
// Process events starting with the window with the focus, if any.
wxWindow* focusWin = wxWindow::FindFocus();
wxWindow* win = focusWin;
// Check if this is a descendant of this frame.
// If not, win will be set to NULL.
while (win)
{
if (win == ancestor)
break;
else
win = win->GetParent();
}
if (win == (wxWindow*) NULL)
focusWin = (wxWindow*) NULL;
return focusWin;
}
#endif // wxUSE_GUI
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