X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3dfac9707a98b245370bdffdf3fd30def0122a8d..33754c4d83c59b7523a6da0c4fb21079cb60301c:/src/common/menucmn.cpp diff --git a/src/common/menucmn.cpp b/src/common/menucmn.cpp index de656a0a3c..b9ecb0cf07 100644 --- a/src/common/menucmn.cpp +++ b/src/common/menucmn.cpp @@ -28,7 +28,13 @@ #pragma hdrstop #endif +#if wxUSE_MENUS + +#include + #ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/log.h" #include "wx/menu.h" #endif @@ -37,20 +43,623 @@ // ---------------------------------------------------------------------------- #include "wx/listimpl.cpp" + WX_DEFINE_LIST(wxMenuList); +WX_DEFINE_LIST(wxMenuItemList); // ============================================================================ // implementation // ============================================================================ // ---------------------------------------------------------------------------- -// ctor and dtor +// wxMenuItem +// ---------------------------------------------------------------------------- + +wxMenuItemBase::~wxMenuItemBase() +{ + delete m_subMenu; +} + +#if wxUSE_ACCEL + +// return wxAcceleratorEntry for the given menu string or NULL if none +// specified +wxAcceleratorEntry *wxGetAccelFromString(const wxString& label) +{ + // check for accelerators: they are given after '\t' + int posTab = label.Find(wxT('\t')); + if ( posTab != wxNOT_FOUND ) { + // parse the accelerator string + int keyCode = 0; + int accelFlags = wxACCEL_NORMAL; + wxString current; + for ( size_t n = (size_t)posTab + 1; n < label.Len(); n++ ) { + if ( (label[n] == '+') || (label[n] == '-') ) { + if ( current == _("ctrl") ) + accelFlags |= wxACCEL_CTRL; + else if ( current == _("alt") ) + accelFlags |= wxACCEL_ALT; + else if ( current == _("shift") ) + accelFlags |= wxACCEL_SHIFT; + else { + wxLogDebug(wxT("Unknown accel modifier: '%s'"), + current.c_str()); + } + + current.Empty(); + } + else { + current += wxTolower(label[n]); + } + } + + if ( current.IsEmpty() ) { + wxLogDebug(wxT("No accel key found, accel string ignored.")); + } + else { + if ( current.Len() == 1 ) { + // it's a letter + keyCode = wxToupper(current[0U]); + } + else { + // is it a function key? + if ( current[0U] == 'f' && isdigit(current[1U]) && + (current.Len() == 2 || + (current.Len() == 3 && isdigit(current[2U]))) ) { + int n; + wxSscanf(current.c_str() + 1, wxT("%d"), &n); + + keyCode = WXK_F1 + n - 1; + } + else { + // several special cases + current.MakeUpper(); + if ( current == wxT("DEL") ) { + keyCode = WXK_DELETE; + } + else if ( current == wxT("DELETE") ) { + keyCode = WXK_DELETE; + } + else if ( current == wxT("INS") ) { + keyCode = WXK_INSERT; + } + else if ( current == wxT("INSERT") ) { + keyCode = WXK_INSERT; + } +#if 0 + else if ( current == wxT("PGUP") ) { + keyCode = VK_PRIOR; + } + else if ( current == wxT("PGDN") ) { + keyCode = VK_NEXT; + } +#endif + else + { + wxLogDebug(wxT("Unrecognized accel key '%s', accel string ignored."), + current.c_str()); + } + } + } + } + + if ( keyCode ) { + // we do have something + return new wxAcceleratorEntry(accelFlags, keyCode); + } + } + + return (wxAcceleratorEntry *)NULL; +} + +wxAcceleratorEntry *wxMenuItemBase::GetAccel() const +{ + return wxGetAccelFromString(GetText()); +} + +void wxMenuItemBase::SetAccel(wxAcceleratorEntry *accel) +{ + wxString text = m_text.BeforeFirst(wxT('\t')); + if ( accel ) + { + text += wxT('\t'); + + int flags = accel->GetFlags(); + if ( flags & wxACCEL_ALT ) + text += wxT("Alt-"); + if ( flags & wxACCEL_CTRL ) + text += wxT("Ctrl-"); + if ( flags & wxACCEL_SHIFT ) + text += wxT("Shift-"); + + int code = accel->GetKeyCode(); + switch ( code ) + { + case WXK_F1: + case WXK_F2: + case WXK_F3: + case WXK_F4: + case WXK_F5: + case WXK_F6: + case WXK_F7: + case WXK_F8: + case WXK_F9: + case WXK_F10: + case WXK_F11: + case WXK_F12: + text << wxT('F') << code - WXK_F1 + 1; + break; + + // if there are any other keys wxGetAccelFromString() may return, + // we should process them here + + default: + if ( wxIsalnum(code) ) + { + text << (wxChar)code; + + break; + } + + wxFAIL_MSG( wxT("unknown keyboard accel") ); + } + } + + SetText(text); +} + +#endif // wxUSE_ACCEL + +// ---------------------------------------------------------------------------- +// wxMenu ctor and dtor +// ---------------------------------------------------------------------------- + +void wxMenuBase::Init(long style) +{ + m_items.DeleteContents(TRUE); + + m_menuBar = (wxMenuBar *)NULL; + m_menuParent = (wxMenu *)NULL; + + m_invokingWindow = (wxWindow *)NULL; + m_style = style; + m_clientData = (void *)NULL; + m_eventHandler = this; + +#if wxUSE_MENU_CALLBACK + m_callback = (wxFunction) NULL; +#endif // wxUSE_MENU_CALLBACK +} + +wxMenuBase::~wxMenuBase() +{ + // nothing to do, wxMenuItemList dtor will delete the menu items. + + // Actually, in GTK, the submenus have to get deleted first. +} + +// ---------------------------------------------------------------------------- +// wxMenu item adding/removing +// ---------------------------------------------------------------------------- + +void wxMenuBase::AddSubMenu(wxMenu *submenu) +{ + wxCHECK_RET( submenu, _T("can't add a NULL submenu") ); + + if ( m_menuBar ) + { + submenu->Attach(m_menuBar); + } + + submenu->SetParent((wxMenu *)this); +} + +bool wxMenuBase::DoAppend(wxMenuItem *item) +{ + wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Append()") ); + + m_items.Append(item); + if ( item->IsSubMenu() ) + { + AddSubMenu(item->GetSubMenu()); + } + + return TRUE; +} + +bool wxMenuBase::Insert(size_t pos, wxMenuItem *item) +{ + wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Insert") ); + + if ( pos == GetMenuItemCount() ) + { + return DoAppend(item); + } + else + { + wxCHECK_MSG( pos < GetMenuItemCount(), FALSE, + wxT("invalid index in wxMenu::Insert") ); + + return DoInsert(pos, item); + } +} + +bool wxMenuBase::DoInsert(size_t pos, wxMenuItem *item) +{ + wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Insert()") ); + + wxMenuItemList::Node *node = m_items.Item(pos); + wxCHECK_MSG( node, FALSE, wxT("invalid index in wxMenu::Insert()") ); + + m_items.Insert(node, item); + if ( item->IsSubMenu() ) + { + AddSubMenu(item->GetSubMenu()); + } + + return TRUE; +} + +wxMenuItem *wxMenuBase::Remove(wxMenuItem *item) +{ + wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Remove") ); + + return DoRemove(item); +} + +wxMenuItem *wxMenuBase::DoRemove(wxMenuItem *item) +{ + wxMenuItemList::Node *node = m_items.Find(item); + + // if we get here, the item is valid or one of Remove() functions is broken + wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") ); + + // we detach the item, but we do delete the list node (i.e. don't call + // DetachNode() here!) + node->SetData((wxMenuItem *)NULL); // to prevent it from deleting the item + m_items.DeleteNode(node); + + // item isn't attached to anything any more + wxMenu *submenu = item->GetSubMenu(); + if ( submenu ) + { + submenu->SetParent((wxMenu *)NULL); + } + + return item; +} + +bool wxMenuBase::Delete(wxMenuItem *item) +{ + wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Delete") ); + + return DoDelete(item); +} + +bool wxMenuBase::DoDelete(wxMenuItem *item) +{ + wxMenuItem *item2 = DoRemove(item); + wxCHECK_MSG( item2, FALSE, wxT("failed to delete menu item") ); + + // don't delete the submenu + item2->SetSubMenu((wxMenu *)NULL); + + delete item2; + + return TRUE; +} + +bool wxMenuBase::Destroy(wxMenuItem *item) +{ + wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Destroy") ); + + return DoDestroy(item); +} + +bool wxMenuBase::DoDestroy(wxMenuItem *item) +{ + wxMenuItem *item2 = DoRemove(item); + wxCHECK_MSG( item2, FALSE, wxT("failed to delete menu item") ); + + delete item2; + + return TRUE; +} + +// ---------------------------------------------------------------------------- +// wxMenu searching for items +// ---------------------------------------------------------------------------- + +// Finds the item id matching the given string, -1 if not found. +int wxMenuBase::FindItem(const wxString& text) const +{ + wxString label = wxMenuItem::GetLabelFromText(text); + for ( wxMenuItemList::Node *node = m_items.GetFirst(); + node; + node = node->GetNext() ) + { + wxMenuItem *item = node->GetData(); + if ( item->IsSubMenu() ) + { + int rc = item->GetSubMenu()->FindItem(label); + if ( rc != wxNOT_FOUND ) + return rc; + } + + // we execute this code for submenus as well to alllow finding them by + // name just like the ordinary items + if ( !item->IsSeparator() ) + { + if ( item->GetLabel() == label ) + return item->GetId(); + } + } + + return wxNOT_FOUND; +} + +// recursive search for item by id +wxMenuItem *wxMenuBase::FindItem(int itemId, wxMenu **itemMenu) const +{ + if ( itemMenu ) + *itemMenu = NULL; + + wxMenuItem *item = NULL; + for ( wxMenuItemList::Node *node = m_items.GetFirst(); + node && !item; + node = node->GetNext() ) + { + item = node->GetData(); + + if ( item->GetId() == itemId ) + { + if ( itemMenu ) + *itemMenu = (wxMenu *)this; + } + else if ( item->IsSubMenu() ) + { + item = item->GetSubMenu()->FindItem(itemId, itemMenu); + } + else + { + // don't exit the loop + item = NULL; + } + } + + return item; +} + +// non recursive search +wxMenuItem *wxMenuBase::FindChildItem(int id, size_t *ppos) const +{ + wxMenuItem *item = (wxMenuItem *)NULL; + wxMenuItemList::Node *node = GetMenuItems().GetFirst(); + + size_t pos; + for ( pos = 0; node; pos++ ) + { + if ( node->GetData()->GetId() == id ) + { + item = node->GetData(); + + break; + } + + node = node->GetNext(); + } + + if ( ppos ) + { + *ppos = item ? pos : (size_t)wxNOT_FOUND; + } + + return item; +} + +// ---------------------------------------------------------------------------- +// wxMenu helpers used by derived classes +// ---------------------------------------------------------------------------- + +// Update a menu and all submenus recursively. source is the object that has +// the update event handlers defined for it. If NULL, the menu or associated +// window will be used. +void wxMenuBase::UpdateUI(wxEvtHandler* source) +{ + if ( !source && GetInvokingWindow() ) + source = GetInvokingWindow()->GetEventHandler(); + if ( !source ) + source = GetEventHandler(); + if ( !source ) + source = this; + + wxMenuItemList::Node* node = GetMenuItems().GetFirst(); + while ( node ) + { + wxMenuItem* item = node->GetData(); + if ( !item->IsSeparator() ) + { + wxWindowID id = item->GetId(); + wxUpdateUIEvent event(id); + event.SetEventObject( source ); + + if ( source->ProcessEvent(event) ) + { + // if anything changed, update the chanegd attribute + if (event.GetSetText()) + SetLabel(id, event.GetText()); + if (event.GetSetChecked()) + Check(id, event.GetChecked()); + if (event.GetSetEnabled()) + Enable(id, event.GetEnabled()); + } + + // recurse to the submenus + if ( item->GetSubMenu() ) + item->GetSubMenu()->UpdateUI(source); + } + //else: item is a separator (which don't process update UI events) + + node = node->GetNext(); + } +} + +bool wxMenuBase::SendEvent(int id, int checked) +{ + wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id); + event.SetEventObject(this); + event.SetInt(checked); + + bool processed = FALSE; + +#if wxUSE_MENU_CALLBACK + // Try a callback + if (m_callback) + { + (void)(*(m_callback))(*this, event); + processed = TRUE; + } +#endif // wxUSE_MENU_CALLBACK + + // Try the menu's event handler + if ( !processed ) + { + wxEvtHandler *handler = GetEventHandler(); + if ( handler ) + processed = handler->ProcessEvent(event); + } + + // Try the window the menu was popped up from (and up through the + // hierarchy) + if ( !processed ) + { + const wxMenuBase *menu = this; + while ( menu ) + { + wxWindow *win = menu->GetInvokingWindow(); + if ( win ) + { + processed = win->GetEventHandler()->ProcessEvent(event); + break; + } + + menu = menu->GetParent(); + } + } + + return processed; +} + +// ---------------------------------------------------------------------------- +// wxMenu attaching/detaching to/from menu bar +// ---------------------------------------------------------------------------- + +void wxMenuBase::Attach(wxMenuBarBase *menubar) +{ + // use Detach() instead! + wxASSERT_MSG( menubar, _T("menu can't be attached to NULL menubar") ); + + // use IsAttached() to prevent this from happening + wxASSERT_MSG( !m_menuBar, _T("attaching menu twice?") ); + + m_menuBar = (wxMenuBar *)menubar; +} + +void wxMenuBase::Detach() +{ + // use IsAttached() to prevent this from happening + wxASSERT_MSG( m_menuBar, _T("detaching unattached menu?") ); + + m_menuBar = NULL; +} + +// ---------------------------------------------------------------------------- +// wxMenu functions forwarded to wxMenuItem +// ---------------------------------------------------------------------------- + +void wxMenuBase::Enable( int id, bool enable ) +{ + wxMenuItem *item = FindItem(id); + + wxCHECK_RET( item, wxT("wxMenu::Enable: no such item") ); + + item->Enable(enable); +} + +bool wxMenuBase::IsEnabled( int id ) const +{ + wxMenuItem *item = FindItem(id); + + wxCHECK_MSG( item, FALSE, wxT("wxMenu::IsEnabled: no such item") ); + + return item->IsEnabled(); +} + +void wxMenuBase::Check( int id, bool enable ) +{ + wxMenuItem *item = FindItem(id); + + wxCHECK_RET( item, wxT("wxMenu::Check: no such item") ); + + item->Check(enable); +} + +bool wxMenuBase::IsChecked( int id ) const +{ + wxMenuItem *item = FindItem(id); + + wxCHECK_MSG( item, FALSE, wxT("wxMenu::IsChecked: no such item") ); + + return item->IsChecked(); +} + +void wxMenuBase::SetLabel( int id, const wxString &label ) +{ + wxMenuItem *item = FindItem(id); + + wxCHECK_RET( item, wxT("wxMenu::SetLabel: no such item") ); + + item->SetText(label); +} + +wxString wxMenuBase::GetLabel( int id ) const +{ + wxMenuItem *item = FindItem(id); + + wxCHECK_MSG( item, wxT(""), wxT("wxMenu::GetLabel: no such item") ); + + return item->GetText(); +} + +void wxMenuBase::SetHelpString( int id, const wxString& helpString ) +{ + wxMenuItem *item = FindItem(id); + + wxCHECK_RET( item, wxT("wxMenu::SetHelpString: no such item") ); + + item->SetHelp( helpString ); +} + +wxString wxMenuBase::GetHelpString( int id ) const +{ + wxMenuItem *item = FindItem(id); + + wxCHECK_MSG( item, wxT(""), wxT("wxMenu::GetHelpString: no such item") ); + + return item->GetHelp(); +} + +// ---------------------------------------------------------------------------- +// wxMenuBarBase ctor and dtor // ---------------------------------------------------------------------------- wxMenuBarBase::wxMenuBarBase() { // we own the menus when we get them m_menus.DeleteContents(TRUE); + + // not attached yet + m_menuBarFrame = NULL; } wxMenuBarBase::~wxMenuBarBase() @@ -77,21 +686,30 @@ bool wxMenuBarBase::Append(wxMenu *menu, const wxString& WXUNUSED(title)) wxCHECK_MSG( menu, FALSE, wxT("can't append NULL menu") ); m_menus.Append(menu); + menu->Attach(this); return TRUE; } bool wxMenuBarBase::Insert(size_t pos, wxMenu *menu, - const wxString& WXUNUSED(title)) + const wxString& title) { - wxCHECK_MSG( menu, FALSE, wxT("can't insert NULL menu") ); - - wxMenuList::Node *node = m_menus.Item(pos); - wxCHECK_MSG( node, FALSE, wxT("bad index in wxMenuBar::Insert()") ); - - m_menus.Insert(node, menu); - - return TRUE; + if ( pos == m_menus.GetCount() ) + { + return wxMenuBarBase::Append(menu, title); + } + else // not at the end + { + wxCHECK_MSG( menu, FALSE, wxT("can't insert NULL menu") ); + + wxMenuList::Node *node = m_menus.Item(pos); + wxCHECK_MSG( node, FALSE, wxT("bad index in wxMenuBar::Insert()") ); + + m_menus.Insert(node, menu); + menu->Attach(this); + + return TRUE; + } } wxMenu *wxMenuBarBase::Replace(size_t pos, wxMenu *menu, @@ -105,6 +723,9 @@ wxMenu *wxMenuBarBase::Replace(size_t pos, wxMenu *menu, wxMenu *menuOld = node->GetData(); node->SetData(menu); + menu->Attach(this); + menuOld->Detach(); + return menuOld; } @@ -116,12 +737,85 @@ wxMenu *wxMenuBarBase::Remove(size_t pos) node = m_menus.DetachNode(node); wxCHECK( node, NULL ); // unexpected wxMenu *menu = node->GetData(); + menu->Detach(); delete node; return menu; } +int wxMenuBarBase::FindMenu(const wxString& title) const +{ + wxString label = wxMenuItem::GetLabelFromText(title); + + size_t count = GetMenuCount(); + for ( size_t i = 0; i < count; i++ ) + { + wxString title2 = GetLabelTop(i); + if ( (title2 == title) || + (wxMenuItem::GetLabelFromText(title2) == label) ) + { + // found + return (int)i; + } + } + + return wxNOT_FOUND; + +} + +// ---------------------------------------------------------------------------- +// wxMenuBar attaching/detaching to/from the frame +// ---------------------------------------------------------------------------- + +void wxMenuBarBase::Attach(wxFrame *frame) +{ + wxASSERT_MSG( !IsAttached(), wxT("menubar already attached!") ); + + m_menuBarFrame = frame; +} + +void wxMenuBarBase::Detach() +{ + wxASSERT_MSG( IsAttached(), wxT("detaching unattached menubar") ); + + m_menuBarFrame = NULL; +} + +// ---------------------------------------------------------------------------- +// wxMenuBar searching for items +// ---------------------------------------------------------------------------- + +wxMenuItem *wxMenuBarBase::FindItem(int id, wxMenu **menu) const +{ + if ( menu ) + *menu = NULL; + + wxMenuItem *item = NULL; + size_t count = GetMenuCount(); + for ( size_t i = 0; !item && (i < count); i++ ) + { + item = m_menus[i]->FindItem(id, menu); + } + + return item; +} + +int wxMenuBarBase::FindMenuItem(const wxString& menu, const wxString& item) const +{ + wxString label = wxMenuItem::GetLabelFromText(menu); + + int i = 0; + wxMenuList::Node *node; + for ( node = m_menus.GetFirst(); node; node = node->GetNext(), i++ ) + { + if ( label == wxMenuItem::GetLabelFromText(GetLabelTop(i)) ) + return node->GetData()->FindItem(item); + } + + return wxNOT_FOUND; +} + // --------------------------------------------------------------------------- // wxMenuBar functions forwarded to wxMenuItem // --------------------------------------------------------------------------- @@ -201,3 +895,4 @@ wxString wxMenuBarBase::GetHelpString(int id) const return item->GetHelp(); } +#endif // wxUSE_MENUS