X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f7bd26981f1c8d46d3909e3de90df081de4df33b..574c0bbfbd2096f7ee0d10ad7222bb012e6f5ad7:/src/common/event.cpp?ds=sidebyside diff --git a/src/common/event.cpp b/src/common/event.cpp index 428d8eb13a..79580ae5c1 100644 --- a/src/common/event.cpp +++ b/src/common/event.cpp @@ -6,67 +6,77 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ -#pragma implementation "event.h" + #pragma implementation "event.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #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/defs.h" + #include "wx/control.h" + #include "wx/utils.h" + #include "wx/app.h" + #include "wx/dc.h" #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) -IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent) -IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent) -IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent) - -const wxEventTable *wxEvtHandler::GetEventTable() const { return &wxEvtHandler::sm_eventTable; } - -const wxEventTable wxEvtHandler::sm_eventTable = - { NULL, &wxEvtHandler::sm_eventTableEntries[0] }; - -const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = { { 0, 0, 0, NULL } }; - -#endif + IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject) + IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject) + IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent) + 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, wxCommandEvent) + IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent) + IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent) + + const wxEventTable *wxEvtHandler::GetEventTable() const + { return &wxEvtHandler::sm_eventTable; } + + const wxEventTable wxEvtHandler::sm_eventTable = + { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] }; + + const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = + { { 0, 0, 0, + #ifdef __SGI_CC__ + // stupid SGI compiler --- offer aug 98 + 0L } + #else // !SGI CC + NULL } + #endif // SGI/!SGI + }; + +#endif // !USE_SHARED_LIBRARY /* * General wxWindows events, covering @@ -79,13 +89,13 @@ const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = { { 0, 0, 0, NULL wxEvent::wxEvent(int theId) { - m_eventType = wxEVT_NULL; - m_eventObject = NULL; - m_eventHandle = NULL; - m_timeStamp = 0; - m_id = theId; - m_skipped = FALSE; - m_callbackUserData = NULL; + m_eventType = wxEVT_NULL; + m_eventObject = (wxObject *) NULL; + m_eventHandle = (char *) NULL; + m_timeStamp = 0; + m_id = theId; + m_skipped = FALSE; + m_callbackUserData = (wxObject *) NULL; } /* @@ -95,23 +105,27 @@ wxEvent::wxEvent(int theId) wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId) { - m_eventType = commandType; - m_clientData = NULL; - m_extraLong = 0; - m_commandInt = 0; - m_id = theId; - m_commandString = NULL; + m_eventType = commandType; + m_clientData = (char *) NULL; + m_clientObject = (wxClientData *) NULL; + m_extraLong = 0; + m_commandInt = 0; + m_id = theId; + m_commandString = (char *) NULL; } /* * 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; } @@ -122,103 +136,115 @@ 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; } // True if was a button dclick event (1 = left, 2 = middle, 3 = right) // or any button dclick event (but = -1) 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 + switch (but) + { + case -1: + return (LeftDClick() || MiddleDClick() || RightDClick()); + case 1: + return LeftDClick(); + case 2: + return MiddleDClick(); + case 3: + return RightDClick(); + default: + wxFAIL_MSG("invalid parameter in wxMouseEvent::ButtonDClick"); + } + + return FALSE; } // True if was a button down event (1 = left, 2 = middle, 3 = right) // or any button down event (but = -1) 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 + switch (but) + { + case -1: + return (LeftDown() || MiddleDown() || RightDown()); + case 1: + return LeftDown(); + case 2: + return MiddleDown(); + case 3: + return RightDown(); + default: + wxFAIL_MSG("invalid parameter in wxMouseEvent::ButtonDown"); + } + + return FALSE; } // True if was a button up event (1 = left, 2 = middle, 3 = right) // or any button up event (but = -1) 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 + switch (but) { + case -1: + return (LeftUp() || MiddleUp() || RightUp()); + case 1: + return LeftUp(); + case 2: + return MiddleUp(); + case 3: + return RightUp(); + default: + wxFAIL_MSG("invalid parameter in wxMouseEvent::ButtonUp"); + } + + return FALSE; } // 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) { + 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: + wxFAIL_MSG("invalid parameter in wxMouseEvent::Button"); + } + + return FALSE; } 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) { + case -1: + return (LeftIsDown() || MiddleIsDown() || RightIsDown()); + case 1: + return LeftIsDown(); + case 2: + return MiddleIsDown(); + case 3: + return RightIsDown(); + default: + wxFAIL_MSG("invalid parameter in wxMouseEvent::ButtonIsDown"); + } + + return FALSE; } // Find the logical position of the event given the DC @@ -236,48 +262,47 @@ wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const 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; } /* * 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; } -wxEvtHandler::~wxEvtHandler(void) +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) - { - wxNode *node = m_dynamicEvents->First(); - while (node) + // 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) { - wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); - if (entry->m_callbackUserData) delete entry->m_callbackUserData; - delete entry; - node = node->Next(); - } - delete m_dynamicEvents; - }; + wxNode *node = m_dynamicEvents->First(); + while (node) + { + wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); + if (entry->m_callbackUserData) delete entry->m_callbackUserData; + delete entry; + node = node->Next(); + } + delete m_dynamicEvents; + }; } /* @@ -286,160 +311,175 @@ wxEvtHandler::~wxEvtHandler(void) 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))) + bool isWindow = IsKindOf(CLASSINFO(wxWindow)); + + // An event handler can be enabled or disabled + if ( GetEvtHandlerEnabled() ) { - wxWindow *win = (wxWindow *)this; + // Handle per-instance dynamic event tables first - // Can only use the validator of the window which - // is receiving the event - if ( (win == event.GetEventObject()) && - win->GetValidator() && - win->GetValidator()->ProcessEvent(event)) + 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 ( isWindow ) + { + 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; + } + } + + // Search upwards through the inheritance hierarchy + while (table) + { + if (SearchEventTable((wxEventTable&)*table, event)) + return TRUE; + table = table->baseTable; + } } - // Search upwards through the inheritance hierarchy - while (table) + // Try going down the event handler chain + if ( GetNextHandler() ) { - if (SearchEventTable((wxEventTable&)*table, event)) - return TRUE; - table = table->baseTable; + if ( GetNextHandler()->ProcessEvent(event) ) + return TRUE; } - } - // Try going down the event handler chain - if ( GetNextHandler() ) - { - if ( GetNextHandler()->ProcessEvent(event) ) + // 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 ( isWindow && 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. + // 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 ( wxTheApp && (this != wxTheApp) && (event.GetEventType() != wxEVT_IDLE) + ) + { + if ( wxTheApp->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; } 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)))) + int i = 0; + int commandId = event.GetId(); + + // BC++ doesn't like while (table.entries[i].m_fn) + +#ifdef __SC__ + while (table.entries[i].m_fn != 0) +#else + while (table.entries[i].m_fn != 0L) +#endif { - 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; + 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; + } + i++; } - i ++; - } - return FALSE; + return FALSE; } void wxEvtHandler::Connect( int id, int lastId, - int eventType, - wxObjectEventFunction func, - wxObject *userData ) + wxEventType 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 ); + 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 ); } 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 (!m_dynamicEvents) return FALSE; + + int commandId = event.GetId(); + + wxNode *node = m_dynamicEvents->First(); + while (node) { - 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; + wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); + + if (entry->m_fn) + { + // Match, if event spec says any id will do (id == -1) + if ( (event.GetEventType() == entry->m_eventType) && + (entry->m_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; }; -bool wxEvtHandler::OnClose(void) +bool wxEvtHandler::OnClose() { - if (GetNextHandler()) return GetNextHandler()->OnClose(); - else return FALSE; + if (GetNextHandler()) + return GetNextHandler()->OnClose(); + else + return FALSE; } - -