X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bb6290e3514a84a7b50860d1c75d4623696ff601..ce7208d49d5ce2ca1dc0b3b83f14f1d04f29c4bf:/src/common/event.cpp diff --git a/src/common/event.cpp b/src/common/event.cpp index 945860f5c9..df764235ac 100644 --- a/src/common/event.cpp +++ b/src/common/event.cpp @@ -1,72 +1,337 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: event.cpp +// Name: src/common/event.cpp // Purpose: Event classes // Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "event.h" -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#include "wx/event.h" + #ifndef WX_PRECOMP -#include "wx/defs.h" -#include "wx/control.h" -#include "wx/utils.h" -#include "wx/app.h" -#include "wx/dc.h" + #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 -#include "wx/event.h" -#include "wx/validate.h" - -#if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject) -IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject) -IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent) -IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent) -IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent) -IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent) -IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent) -IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent) -IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent) -IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent) -IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent) -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(wxSysColourChangedEvent, wxEvent) -IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent) -IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxEvent) - -const wxEventTable *wxEvtHandler::GetEventTable() const { return &wxEvtHandler::sm_eventTable; } +// ---------------------------------------------------------------------------- +// 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 = - { NULL, &wxEvtHandler::sm_eventTableEntries[0] }; + { (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() { 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 -const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = { { 0, 0, 0, NULL } }; +#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 wxWindows events, covering + * General wxWidgets events, covering * all interesting things that might happen (button clicking, resizing, * setting text in widgets, etc.). * @@ -74,43 +339,185 @@ const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = { { 0, 0, 0, NULL * */ -wxEvent::wxEvent(int theId) +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() + , 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) { - m_eventType = wxEVT_NULL; - m_eventObject = NULL; - m_eventHandle = NULL; - m_timeStamp = 0; - m_id = theId; - m_skipped = FALSE; - m_callbackUserData = NULL; } +#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) { - m_eventType = commandType; - m_clientData = NULL; - m_extraLong = 0; - m_commandInt = 0; - m_id = theId; - m_commandString = NULL; + // 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) +wxScrollEvent::wxScrollEvent(wxEventType commandType, + int id, + int pos, + int orient) + : wxCommandEvent(commandType, id) { - m_extraLong = orient; - m_commandInt = pos; + 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 @@ -119,323 +526,947 @@ wxScrollEvent::wxScrollEvent(wxEventType commandType, int id, int pos, int orien wxMouseEvent::wxMouseEvent(wxEventType commandType) { - m_eventType = commandType; - m_metaDown = FALSE; - m_altDown = FALSE; - m_controlDown = FALSE; - m_shiftDown = FALSE; + 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; } -// True if was a button dclick event (1 = left, 2 = middle, 3 = right) -// or any button dclick event (but = -1) +// return true if was a button dclick event bool wxMouseEvent::ButtonDClick(int but) const { - switch (but) { - case -1: - return (LeftDClick() || MiddleDClick() || RightDClick()); - case 1: - return LeftDClick(); - case 2: - return MiddleDClick(); - case 3: - return RightDClick(); - default: - return FALSE; - } - // NOTREACHED -} - -// True if was a button down event (1 = left, 2 = middle, 3 = right) -// or any button down event (but = -1) + 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) { - case -1: - return (LeftDown() || MiddleDown() || RightDown()); - case 1: - return LeftDown(); - case 2: - return MiddleDown(); - case 3: - return RightDown(); - default: - return FALSE; - } - // NOTREACHED -} - -// True if was a button up event (1 = left, 2 = middle, 3 = right) -// or any button up event (but = -1) + 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) { - case -1: - return (LeftUp() || MiddleUp() || RightUp()); - case 1: - return LeftUp(); - case 2: - return MiddleUp(); - case 3: - return RightUp(); - default: - return FALSE; - } - // NOTREACHED -} - -// True if the given button is currently changing state + 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) { - case -1: - return (ButtonUp(-1) || ButtonDown(-1) || ButtonDClick(-1)) ; - case 1: - return (LeftDown() || LeftUp() || LeftDClick()); - case 2: - return (MiddleDown() || MiddleUp() || MiddleDClick()); - case 3: - return (RightDown() || RightUp() || RightDClick()); - default: - return FALSE; - } - // NOTREACHED + 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) { - case -1: - return (LeftIsDown() || MiddleIsDown() || RightIsDown()); - case 1: - return LeftIsDown(); - case 2: - return MiddleIsDown(); - case 3: - return RightIsDown(); - default: - return FALSE; - } - // NOTREACHED + 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; + wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y)); + return pt; } /* - * Keyboard events + * 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_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; + } +} + +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(void) +wxEvtHandler::wxEvtHandler() { - m_clientData = NULL; - m_nextHandler = NULL; - m_previousHandler = NULL; - m_enabled = TRUE; - m_dynamicEvents = NULL; + 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 + // reentrace not allowed by default + m_reentranceAllowed = false; + m_eventHandlingInProgress = false; + + // no client data (yet) + m_clientData = NULL; + m_clientDataType = wxClientData_None; } -wxEvtHandler::~wxEvtHandler(void) +wxEvtHandler::~wxEvtHandler() { - // Takes itself out of the list of handlers - if (m_previousHandler) - m_previousHandler->m_nextHandler = m_nextHandler; + // 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) + { + wxList::iterator it = m_dynamicEvents->begin(), + en = m_dynamicEvents->end(); + for (;it != en; ++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_nextHandler) - m_nextHandler->m_previousHandler = m_previousHandler; + 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") ); - if (m_dynamicEvents) - { - wxNode *node = m_dynamicEvents->First(); - while (node) + // eventhandling is now in progess + m_eventHandlingInProgress = true; + + 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() ) { - wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); - if (entry->m_callbackUserData) delete entry->m_callbackUserData; - delete entry; - node = node->Next(); + wxEvent *event = (wxEvent *)node->GetData(); + + // It's importan 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); + + delete event; + + wxENTER_CRIT_SECT( Lock() ); + + if ( --n == 0 ) + break; } - delete m_dynamicEvents; - }; + + wxLEAVE_CRIT_SECT( Lock() ); + + // eventhandling no longer in progess + m_eventHandlingInProgress = false; } /* * 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) { - // An event handler can be enabled or disabled - if ( GetEvtHandlerEnabled() ) - { - // Handle per-instance dynamic event tables first - - if (SearchDynamicEventTable( event )) return TRUE; - - // Then static per-class event tables - - const wxEventTable *table = GetEventTable(); - - // Try the associated validator first, if this is a window. - // Problem: if the event handler of the window has been replaced, - // this wxEvtHandler may no longer be a window. - // Therefore validators won't be processed if the handler - // has been replaced with SetEventHandler. - // THIS CAN BE CURED if PushEventHandler is used instead of - // SetEventHandler, and then processing will be passed down the - // chain of event handlers. - if (IsKindOf(CLASSINFO(wxWindow))) - { - wxWindow *win = (wxWindow *)this; - - // Can only use the validator of the window which - // is receiving the event - if ( (win == event.GetEventObject()) && - win->GetValidator() && - win->GetValidator()->ProcessEvent(event)) - return TRUE; + // 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 } - // Search upwards through the inheritance hierarchy - while (table) + // An event handler can be enabled or disabled + if ( GetEvtHandlerEnabled() ) { - if (SearchEventTable((wxEventTable&)*table, event)) - return TRUE; - table = table->baseTable; + // 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; - } - - // Carry on up the parent-child hierarchy, - // but only if event is a command event: it wouldn't - // make sense for a parent to receive a child's size event, for example - if (IsKindOf(CLASSINFO(wxWindow)) && event.IsKindOf(CLASSINFO(wxCommandEvent))) - { - wxWindow *win = (wxWindow *)this; - wxWindow *parent = win->GetParent(); - if (parent && !parent->IsBeingDeleted()) - return win->GetParent()->GetEventHandler()->ProcessEvent(event); - } - - // Last try - application object - if (wxTheApp && this != wxTheApp && wxTheApp->ProcessEvent(event)) - return TRUE; - else - return FALSE; + + // 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) { - int i = 0; - int commandId = event.GetId(); - - while (table.entries[i].m_fn != NULL) - { - wxEventType eventType = (wxEventType) table.entries[i].m_eventType; - - if ((event.GetEventType() == table.entries[i].m_eventType) && - (table.entries[i].m_id == -1 || // Match, if event spec says any id will do (id == -1) - (table.entries[i].m_lastId == -1 && commandId == table.entries[i].m_id) || - (table.entries[i].m_lastId != -1 && - (commandId >= table.entries[i].m_id && commandId <= table.entries[i].m_lastId)))) - { - event.Skip(FALSE); - event.m_callbackUserData = table.entries[i].m_callbackUserData; - - (this->*((wxEventFunction) (table.entries[i].m_fn)))(event); - - if ( event.GetSkipped() ) - return FALSE; - else - return TRUE; + 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; + } } - i ++; - } - return FALSE; + + return false; } void wxEvtHandler::Connect( int id, int lastId, int eventType, - wxObjectEventFunction func, - wxObject *userData ) -{ - wxEventTableEntry *entry = new wxEventTableEntry; - entry->m_id = id; - entry->m_lastId = lastId; - entry->m_eventType = eventType; - entry->m_fn = func; - entry->m_callbackUserData = userData; - - if (!m_dynamicEvents) - m_dynamicEvents = new wxList; - - m_dynamicEvents->Append( (wxObject*) entry ); + 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 ) { - if (!m_dynamicEvents) return FALSE; - - int commandId = event.GetId(); - - wxNode *node = m_dynamicEvents->First(); - while (node) - { - wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); - wxEventType eventType = (wxEventType) entry->m_eventType; - - if (entry->m_fn) - { - if ((event.GetEventType() == entry->m_eventType) && - (entry->m_id == -1 || // Match, if event spec says any id will do (id == -1) - (entry->m_lastId == -1 && commandId == entry->m_id) || - (entry->m_lastId != -1 && - (commandId >= entry->m_id && commandId <= entry->m_lastId)))) - { - event.Skip(FALSE); - event.m_callbackUserData = entry->m_callbackUserData; - - (this->*((wxEventFunction) (entry->m_fn)))(event); - - if (event.GetSkipped()) - return FALSE; - else - return TRUE; - } - }; - node = node->Next(); - } - return FALSE; -}; + 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 -bool wxEvtHandler::OnClose(void) + // 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 { - if (GetNextHandler()) return GetNextHandler()->OnClose(); - else return FALSE; + // 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