#include "wx/menu.h"
#include "wx/utils.h"
#include "wx/intl.h"
+ #include "wx/log.h"
#endif
#if wxUSE_OWNER_DRAWN
#endif
#include "wx/msw/private.h"
-#include "wx/msw/menu.h"
-#include "wx/menuitem.h"
-#include "wx/log.h"
// other standard headers
#include <string.h>
// ---------------------------------------------------------------------------
// Construct a menu with optional title (then use append)
-void wxMenu::Init(const wxString& title, const wxFunction func )
+void wxMenu::Init()
{
- m_title = title;
- m_eventHandler = this;
- m_pInvokingWindow = NULL;
m_doBreak = FALSE;
- m_noItems = 0;
- m_menuBar = NULL;
- m_hMenu = (WXHMENU) CreatePopupMenu();
- m_savehMenu = 0;
- m_topLevelMenu = this;
- m_clientData = (void*) NULL;
+ // create the menu
+ m_hMenu = (WXHMENU)CreatePopupMenu();
+ if ( !m_hMenu )
+ {
+ wxLogLastError("CreatePopupMenu");
+ }
+
+ // if we have a title, insert it in the beginning of the menu
if ( !!m_title )
{
Append(idMenuTitle, m_title);
AppendSeparator();
}
-
- Callback(func);
}
// The wxWindow destructor will take care of deleting the submenus.
wxMenu::~wxMenu()
{
- // free Windows resources
- if ( m_hMenu )
+ // we should free Windows resources only if Windows doesn't do it for us
+ // which happens if we're attached to a menubar or a submenu of another
+ // menu
+ if ( !IsAttached() && !GetParent() )
{
if ( !::DestroyMenu(GetHmenu()) )
{
}
}
- // delete submenus
- wxNode *node = m_menuItems.First();
- while ( node )
- {
- wxMenuItem *item = (wxMenuItem *)node->Data();
-
- // Delete child menus.
- // Beware: they must not be appended to children list!!!
- // (because order of delete is significant)
- if ( item->IsSubMenu() )
- item->DeleteSubMenu();
-
- wxNode *next = node->Next();
- delete item;
- delete node;
- node = next;
- }
-
#if wxUSE_ACCEL
// delete accels
WX_CLEAR_ARRAY(m_accels);
void wxMenu::Break()
{
+ // this will take effect during the next call to Append()
m_doBreak = TRUE;
}
-// function appends a new item or submenu to the menu
-void wxMenu::Append(wxMenuItem *pItem)
+#if wxUSE_ACCEL
+
+int wxMenu::FindAccel(int id) const
+{
+ size_t n, count = m_accels.GetCount();
+ for ( n = 0; n < count; n++ )
+ {
+ if ( m_accels[n]->m_command == id )
+ return n;
+ }
+
+ return wxNOT_FOUND;
+}
+
+void wxMenu::UpdateAccel(wxMenuItem *item)
{
- wxCHECK_RET( pItem != NULL, wxT("can't append NULL item to the menu") );
+ // find the (new) accel for this item
+ wxAcceleratorEntry *accel = wxGetAccelFromString(item->GetText());
+ if ( accel )
+ accel->m_command = item->GetId();
-#if wxUSE_ACCEL
- wxAcceleratorEntry *accel = wxGetAccelFromString(pItem->GetText());
- if ( accel ) {
- m_accels.Add(accel);
+ // find the old one
+ int n = FindAccel(item->GetId());
+ if ( n == wxNOT_FOUND )
+ {
+ // no old, add new if any
+ if ( accel )
+ m_accels.Add(accel);
+ else
+ return; // skipping RebuildAccelTable() below
+ }
+ else
+ {
+ // replace old with new or just remove the old one if no new
+ delete m_accels[n];
+ if ( accel )
+ m_accels[n] = accel;
+ else
+ m_accels.Remove(n);
+ }
+
+ if ( IsAttached() )
+ {
+ m_menuBar->RebuildAccelTable();
}
+}
+
+#endif // wxUSE_ACCEL
+
+// append a new item or submenu to the menu
+bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos)
+{
+#if wxUSE_ACCEL
+ UpdateAccel(pItem);
#endif // wxUSE_ACCEL
UINT flags = 0;
UINT id;
wxMenu *submenu = pItem->GetSubMenu();
if ( submenu != NULL ) {
- wxASSERT( submenu->GetHMenu() != (WXHMENU) NULL );
+ wxASSERT_MSG( submenu->GetHMenu(), wxT("invalid submenu") );
+
+ submenu->SetParent(this);
id = (UINT)submenu->GetHMenu();
- submenu->m_topLevelMenu = m_topLevelMenu;
- submenu->m_savehMenu = (WXHMENU)id;
- submenu->m_hMenu = 0;
flags |= MF_POPUP;
}
pData = (char*)pItem->GetText().c_str();
}
- if ( !::AppendMenu(GetHmenu(), flags, id, pData) )
+ BOOL ok;
+ if ( pos == (size_t)-1 )
+ {
+ ok = ::AppendMenu(GetHmenu(), flags, id, pData);
+ }
+ else
+ {
+ ok = ::InsertMenu(GetHmenu(), pos, flags | MF_BYPOSITION, id, pData);
+ }
+
+ if ( !ok )
{
- wxLogLastError("AppendMenu");
+ wxLogLastError("Insert or AppendMenu");
+
+ return FALSE;
}
else
{
+ // if we just appended the title, highlight it
#ifdef __WIN32__
if ( (int)id == idMenuTitle )
{
}
#endif // __WIN32__
- m_menuItems.Append(pItem);
- m_noItems++;
- }
-}
+ // if we're already attached to the menubar, we must update it
+ if ( IsAttached() )
+ {
+ m_menuBar->Refresh();
+ }
-void wxMenu::AppendSeparator()
-{
- Append(new wxMenuItem(this, ID_SEPARATOR));
+ return TRUE;
+ }
}
-// Pullright item
-void wxMenu::Append(int id,
- const wxString& label,
- wxMenu *SubMenu,
- const wxString& helpString)
+bool wxMenu::DoAppend(wxMenuItem *item)
{
- Append(new wxMenuItem(this, id, label, helpString, FALSE, SubMenu));
+ return wxMenuBase::DoAppend(item) && DoInsertOrAppend(item);
}
-// Ordinary menu item
-void wxMenu::Append(int id,
- const wxString& label,
- const wxString& helpString,
- bool checkable)
+bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
{
- // 'checkable' parameter is useless for Windows.
- Append(new wxMenuItem(this, id, label, helpString, checkable));
+ return wxMenuBase::DoInsert(pos, item) && DoInsertOrAppend(item, pos);
}
-// delete item by id
-void wxMenu::Delete(int id)
+wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
{
- wxMenuItem *item = NULL;
- int pos;
- wxNode *node;
- for (pos = 0, node = m_menuItems.First(); node; node = node->Next(), pos++)
+ // we need to find the items position in the child list
+ size_t pos;
+ wxMenuItemList::Node *node = GetMenuItems().GetFirst();
+ for ( pos = 0; node; pos++ )
{
- item = (wxMenuItem *)node->Data();
- if ( item->GetId() == id )
+ if ( node->GetData() == item )
break;
+
+ node = node->GetNext();
}
- wxCHECK_RET( node, wxT("wxMenu::Delete(): item doesn't exist") );
+ // DoRemove() (unlike Remove) can only be called for existing item!
+ wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
- HMENU menu = GetHmenu();
+#if wxUSE_ACCEL
+ // remove the corresponding accel from the accel table
+ int n = FindAccel(item->GetId());
+ if ( n != wxNOT_FOUND )
+ {
+ delete m_accels[n];
- wxMenu *pSubMenu = item->GetSubMenu();
- if ( pSubMenu != NULL ) {
- RemoveMenu(menu, (UINT)pos, MF_BYPOSITION);
- pSubMenu->m_hMenu = pSubMenu->m_savehMenu;
- pSubMenu->m_savehMenu = 0;
- // RemoveChild(item->subMenu);
- pSubMenu->m_topLevelMenu = NULL;
- // TODO: Why isn't subMenu deleted here???
- // Will put this in for now. Assuming this is supposed
- // to delete the menu, not just remove it.
- item->DeleteSubMenu();
+ m_accels.Remove(n);
}
- else {
- DeleteMenu(menu, (UINT)pos, MF_BYPOSITION);
+ //else: this item doesn't have an accel, nothing to do
+#endif // wxUSE_ACCEL
+
+ // remove the item from the menu
+ if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) )
+ {
+ wxLogLastError("RemoveMenu");
}
- m_menuItems.DeleteNode(node);
- delete item;
-}
+ if ( IsAttached() )
+ {
+ // otherwise, the chane won't be visible
+ m_menuBar->Refresh();
+ }
-#if wxUSE_ACCEL
+ // and from internal data structures
+ return wxMenuBase::DoRemove(item);
+}
// ---------------------------------------------------------------------------
// accelerator helpers
// ---------------------------------------------------------------------------
+#if wxUSE_ACCEL
+
// create the wxAcceleratorEntries for our accels and put them into provided
// array - return the number of accels we have
size_t wxMenu::CopyAccels(wxAcceleratorEntry *accels) const
#endif // wxUSE_ACCEL
// ---------------------------------------------------------------------------
-// wxMenu functions implemented in wxMenuItem
-// ---------------------------------------------------------------------------
-
-void wxMenu::Enable(int id, bool Flag)
-{
- wxMenuItem *item = FindItemForId(id);
- wxCHECK_RET( item != NULL, wxT("can't enable non-existing menu item") );
-
- item->Enable(Flag);
-}
-
-bool wxMenu::IsEnabled(int id) const
-{
- wxMenuItem *item = FindItemForId(id);
- wxCHECK_MSG( item != NULL, FALSE, wxT("invalid item id") );
-
- return item->IsEnabled();
-}
-
-void wxMenu::Check(int id, bool Flag)
-{
- wxMenuItem *item = FindItemForId(id);
- wxCHECK_RET( item != NULL, wxT("can't get status of non-existing menu item") );
-
- item->Check(Flag);
-}
-
-bool wxMenu::IsChecked(int id) const
-{
- wxMenuItem *item = FindItemForId(id);
- wxCHECK_MSG( item != NULL, FALSE, wxT("invalid item id") );
-
- return item->IsChecked();
-}
-
-void wxMenu::SetLabel(int id, const wxString& label)
-{
- wxMenuItem *item = FindItemForId(id);
- wxCHECK_RET( item, wxT("wxMenu::SetLabel: no such item") );
-
- item->SetText(label);
-}
-
-wxString wxMenu::GetLabel(int id) const
-{
- wxString label;
- wxMenuItem *pItem = FindItemForId(id);
- if (pItem)
- label = pItem->GetText();
- else
- wxFAIL_MSG(wxT("wxMenu::GetLabel: item doesn't exist"));
-
- return label;
-}
-
-void wxMenu::SetHelpString(int itemId, const wxString& helpString)
-{
- wxMenuItem *item = FindItemForId (itemId);
- if (item)
- item->SetHelp(helpString);
- else
- wxFAIL_MSG(wxT("wxMenu::SetHelpString: item doesn't exist"));
-}
-
-wxString wxMenu::GetHelpString (int itemId) const
-{
- wxString help;
- wxMenuItem *item = FindItemForId (itemId);
- if (item)
- help = item->GetHelp();
- else
- wxFAIL_MSG(wxT("wxMenu::GetHelpString: item doesn't exist"));
-
- return help;
-}
-
-// ---------------------------------------------------------------------------
-// wxMenu title
+// set wxMenu title
// ---------------------------------------------------------------------------
void wxMenu::SetTitle(const wxString& label)
{
if ( !label.IsEmpty() )
{
- if ( !InsertMenu(hMenu, 0u, MF_BYPOSITION | MF_STRING,
- (unsigned)idMenuTitle, m_title) ||
- !InsertMenu(hMenu, 1u, MF_BYPOSITION, (unsigned)-1, NULL) )
+ if ( !::InsertMenu(hMenu, 0u, MF_BYPOSITION | MF_STRING,
+ (unsigned)idMenuTitle, m_title) ||
+ !::InsertMenu(hMenu, 1u, MF_BYPOSITION, (unsigned)-1, NULL) )
{
- wxLogLastError(wxT("InsertMenu"));
+ wxLogLastError("InsertMenu");
}
}
}
{
// modify the title
if ( !ModifyMenu(hMenu, 0u,
- MF_BYPOSITION | MF_STRING,
- (unsigned)idMenuTitle, m_title) )
+ MF_BYPOSITION | MF_STRING,
+ (unsigned)idMenuTitle, m_title) )
{
wxLogLastError("ModifyMenu");
}
wxLogLastError("SetMenuItemInfo");
}
}
-#endif
-}
-
-const wxString wxMenu::GetTitle() const
-{
- return m_title;
+#endif // Win32
}
// ---------------------------------------------------------------------------
{
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 && GetEventHandler())
return processed;
}
-// ---------------------------------------------------------------------------
-// Item search
-// ---------------------------------------------------------------------------
-
-// Finds the item id matching the given string, -1 if not found.
-int wxMenu::FindItem (const wxString& itemString) const
-{
- wxString itemLabel = wxStripMenuCodes(itemString);
- for ( wxNode *node = m_menuItems.First(); node; node = node->Next() )
- {
- wxMenuItem *item = (wxMenuItem *)node->Data();
- if ( item->IsSubMenu() )
- {
- int ans = item->GetSubMenu()->FindItem(itemString);
- if ( ans != wxNOT_FOUND )
- return ans;
- }
- else if ( !item->IsSeparator() )
- {
- wxString label = wxStripMenuCodes(item->GetText());
- if ( itemLabel == label )
- return item->GetId();
- }
- }
-
- return wxNOT_FOUND;
-}
-
-wxMenuItem *wxMenu::FindItemForId(int itemId, wxMenu ** itemMenu) const
-{
- if ( itemMenu )
- *itemMenu = NULL;
-
- wxMenuItem *item = NULL;
- for ( wxNode *node = m_menuItems.First(); node && !item; node = node->Next() )
- {
- item = (wxMenuItem *)node->Data();
-
- if ( item->GetId() == itemId )
- {
- if (itemMenu)
- *itemMenu = (wxMenu *)this;
- }
- else if ( item->IsSubMenu() )
- {
- item = item->GetSubMenu()->FindItemForId(itemId, itemMenu);
- }
- else
- {
- // don't exit the loop
- item = NULL;
- }
- }
-
- return item;
-}
-
// ---------------------------------------------------------------------------
// other
// ---------------------------------------------------------------------------
wxASSERT_MSG( !m_menuBar, wxT("menu belongs to 2 menubars, expect a crash") );
m_menuBar = menubar;
- m_savehMenu = m_hMenu;
- m_hMenu = 0;
}
void wxMenu::Detach()
wxASSERT_MSG( m_menuBar, wxT("can't detach menu if it's not attached") );
m_menuBar = NULL;
- m_hMenu = m_savehMenu;
- m_savehMenu = 0;
+}
+
+wxWindow *wxMenu::GetWindow() const
+{
+ if ( m_invokingWindow != NULL )
+ return m_invokingWindow;
+ else if ( m_menuBar != NULL)
+ return m_menuBar->GetFrame();
+
+ return NULL;
}
// ---------------------------------------------------------------------------
WXHMENU wxMenuBar::Create()
{
if (m_hMenu != 0 )
- return m_hMenu;
+ return m_hMenu;
wxCHECK_MSG( !m_hMenu, TRUE, wxT("menubar already created") );
void wxMenuBar::EnableTop(size_t pos, bool enable)
{
- int flag = enable ? MF_ENABLED : MF_GRAYED;;
+ wxCHECK_RET( IsAttached(), wxT("doesn't work with unattached menubars") );
+
+ int flag = enable ? MF_ENABLED : MF_GRAYED;
EnableMenuItem((HMENU)m_hMenu, pos, MF_BYPOSITION | flag);
void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
{
+ wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") );
+
+ m_titles[pos] = label;
+
+ if ( !IsAttached() )
+ {
+ return;
+ }
+ //else: have to modify the existing menu
+
UINT id;
UINT flagsOld = ::GetMenuState((HMENU)m_hMenu, pos, MF_BYPOSITION);
if ( flagsOld == 0xFFFFFFFF )
{
wxLogLastError("ModifyMenu");
}
+
+ Refresh();
}
wxString wxMenuBar::GetLabelTop(size_t pos) const
{
- int len = ::GetMenuString((HMENU)m_hMenu, pos, NULL, 0, MF_BYCOMMAND);
-
- len++; // for the NUL character
- wxString label;
- ::GetMenuString(GetHmenu(), pos, label.GetWriteBuf(len), len, MF_BYCOMMAND);
- label.UngetWriteBuf();
+ wxCHECK_MSG( pos < GetMenuCount(), wxEmptyString,
+ wxT("invalid menu index in wxMenuBar::GetLabelTop") );
- return label;
+ return m_titles[pos];
}
int wxMenuBar::FindMenu(const wxString& title)
wxLogLastError("InsertMenu");
}
+#if wxUSE_ACCEL
+ if ( menuOld->HasAccels() || menu->HasAccels() )
+ {
+ // need to rebuild accell table
+ RebuildAccelTable();
+ }
+#endif // wxUSE_ACCEL
+
Refresh();
}
wxLogLastError("InsertMenu");
}
+#if wxUSE_ACCEL
+ if ( menu->HasAccels() )
+ {
+ // need to rebuild accell table
+ RebuildAccelTable();
+ }
+#endif // wxUSE_ACCEL
+
Refresh();
}
WXHMENU submenu = menu ? menu->GetHMenu() : 0;
wxCHECK_MSG( submenu, FALSE, wxT("can't append invalid menu to menubar") );
+ if ( !wxMenuBarBase::Append(menu, title) )
+ return FALSE;
+
menu->Attach(this);
+ m_titles.Add(title);
+
if ( IsAttached() )
{
if ( !::AppendMenu(GetHmenu(), MF_POPUP | MF_STRING,
wxLogLastError(wxT("AppendMenu"));
}
+#if wxUSE_ACCEL
+ if ( menu->HasAccels() )
+ {
+ // need to rebuild accell table
+ RebuildAccelTable();
+ }
+#endif // wxUSE_ACCEL
+
Refresh();
}
- wxMenuBarBase::Append(menu, title);
-
- m_titles.Add(title);
-
return TRUE;
}
menu->Detach();
+#if wxUSE_ACCEL
+ if ( menu->HasAccels() )
+ {
+ // need to rebuild accell table
+ RebuildAccelTable();
+ }
+#endif // wxUSE_ACCEL
+
Refresh();
}
return menu;
}
-void wxMenuBar::Attach(wxFrame *frame)
-{
- wxASSERT_MSG( !IsAttached(), wxT("menubar already attached!") );
-
- m_menuBarFrame = frame;
-
#if wxUSE_ACCEL
- // create the accel table - we consider that the menubar construction is
- // finished
+
+void wxMenuBar::RebuildAccelTable()
+{
+ // merge the accelerators of all menus into one accel table
size_t nAccelCount = 0;
size_t i, count = GetMenuCount();
for ( i = 0; i < count; i++ )
delete [] accelEntries;
}
+}
+
+#endif // wxUSE_ACCEL
+
+void wxMenuBar::Attach(wxFrame *frame)
+{
+ wxASSERT_MSG( !IsAttached(), wxT("menubar already attached!") );
+
+ m_menuBarFrame = frame;
+
+#if wxUSE_ACCEL
+ RebuildAccelTable();
#endif // wxUSE_ACCEL
}
size_t count = GetMenuCount();
for ( size_t i = 0; !item && (i < count); i++ )
{
- item = m_menus[i]->FindItemForId(id, itemMenu);
+ item = m_menus[i]->FindItem(id, itemMenu);
}
return item;
}
-
-// ----------------------------------------------------------------------------
-// helper functions
-// ----------------------------------------------------------------------------
-
-wxWindow *wxMenu::GetWindow() const
-{
- if ( m_pInvokingWindow != NULL )
- return m_pInvokingWindow;
- else if ( m_menuBar != NULL)
- return m_menuBar->GetFrame();
-
- return NULL;
-}
-
-WXHMENU wxMenu::GetHMenu() const
-{
- if ( m_hMenu != 0 )
- return m_hMenu;
- else if ( m_savehMenu != 0 )
- return m_savehMenu;
-
- wxFAIL_MSG(wxT("wxMenu without HMENU"));
-
- return 0;
-}
-
-// 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 wxMenu::UpdateUI(wxEvtHandler* source)
-{
- if (!source && GetInvokingWindow())
- source = GetInvokingWindow()->GetEventHandler();
- if (!source)
- source = GetEventHandler();
- if (!source)
- source = this;
-
- wxNode* node = GetItems().First();
- while (node)
- {
- wxMenuItem* item = (wxMenuItem*) node->Data();
- if ( !item->IsSeparator() )
- {
- wxWindowID id = item->GetId();
- wxUpdateUIEvent event(id);
- event.SetEventObject( source );
-
- if (source->ProcessEvent(event))
- {
- if (event.GetSetText())
- SetLabel(id, event.GetText());
- if (event.GetSetChecked())
- Check(id, event.GetChecked());
- if (event.GetSetEnabled())
- Enable(id, event.GetEnabled());
- }
-
- if (item->GetSubMenu())
- item->GetSubMenu()->UpdateUI(source);
- }
- node = node->Next();
- }
-}
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