X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a99a3029c80e77aff7d4ec529c3347650bc494e4..364f3b070071ee73e417a3770342d779774288e8:/src/msw/menu.cpp diff --git a/src/msw/menu.cpp b/src/msw/menu.cpp index 4769e1b00b..8798b7d2ce 100644 --- a/src/msw/menu.cpp +++ b/src/msw/menu.cpp @@ -41,6 +41,7 @@ #endif #include "wx/scopedarray.h" +#include "wx/vector.h" #include "wx/msw/private.h" #include "wx/msw/wrapcctl.h" // include "properly" @@ -85,9 +86,102 @@ static const int idMenuTitle = wxID_NONE; // ---------------------------------------------------------------------------- -// private functions +// private helper classes and functions // ---------------------------------------------------------------------------- +// Contains the data about the radio items groups in the given menu. +class wxMenuRadioItemsData +{ +public: + wxMenuRadioItemsData() { } + + // Default copy ctor, assignment operator and dtor are all ok. + + // Find the start and end of the group containing the given position or + // return false if it's not inside any range. + bool GetGroupRange(int pos, int *start, int *end) const + { + // We use a simple linear search here because there are not that many + // items in a menu and hence even fewer radio items ranges anyhow, so + // normally there is no need to do anything fancy (like keeping the + // array sorted and using binary search). + for ( Ranges::const_iterator it = m_ranges.begin(); + it != m_ranges.end(); + ++it ) + { + const Range& r = *it; + + if ( r.start <= pos && pos <= r.end ) + { + if ( start ) + *start = r.start; + if ( end ) + *end = r.end; + + return true; + } + } + + return false; + } + + // Take into account the new radio item about to be added at the given + // position. + // + // Returns true if this item starts a new radio group, false if it extends + // an existing one. + bool UpdateOnInsert(int pos) + { + bool inExistingGroup = false; + + for ( Ranges::iterator it = m_ranges.begin(); + it != m_ranges.end(); + ++it ) + { + Range& r = *it; + + if ( pos < r.start ) + { + // Item is inserted before this range, update its indices. + r.start++; + r.end++; + } + else if ( pos <= r.end + 1 ) + { + // Item is inserted in the middle of this range or immediately + // after it in which case it extends this range so make it span + // one more item in any case. + r.end++; + + inExistingGroup = true; + } + //else: Item is inserted after this range, nothing to do for it. + } + + if ( inExistingGroup ) + return false; + + // Make a new range for the group this item will belong to. + Range r; + r.start = pos; + r.end = pos; + m_ranges.push_back(r); + + return true; + } + +private: + // Contains the inclusive positions of the range start and end. + struct Range + { + int start; + int end; + }; + + typedef wxVector Ranges; + Ranges m_ranges; +}; + namespace { @@ -96,9 +190,7 @@ void SetDefaultMenuItem(HMENU WXUNUSED_IN_WINCE(hmenu), UINT WXUNUSED_IN_WINCE(id)) { #ifndef __WXWINCE__ - MENUITEMINFO mii; - wxZeroMemory(mii); - mii.cbSize = sizeof(MENUITEMINFO); + WinStruct mii; mii.fMask = MIIM_STATE; mii.fState = MFS_DEFAULT; @@ -116,9 +208,7 @@ void SetOwnerDrawnMenuItem(HMENU WXUNUSED_IN_WINCE(hmenu), BOOL WXUNUSED_IN_WINCE(byPositon = FALSE)) { #ifndef __WXWINCE__ - MENUITEMINFO mii; - wxZeroMemory(mii); - mii.cbSize = sizeof(MENUITEMINFO); + WinStruct mii; mii.fMask = MIIM_FTYPE | MIIM_DATA; mii.fType = MFT_OWNERDRAW; mii.dwItemData = data; @@ -136,9 +226,7 @@ void SetOwnerDrawnMenuItem(HMENU WXUNUSED_IN_WINCE(hmenu), #ifdef __WXWINCE__ UINT GetMenuState(HMENU hMenu, UINT id, UINT flags) { - MENUITEMINFO info; - wxZeroMemory(info); - info.cbSize = sizeof(info); + WinStruct info; info.fMask = MIIM_STATE; // MF_BYCOMMAND is zero so test MF_BYPOSITION if ( !::GetMenuItemInfo(hMenu, id, flags & MF_BYPOSITION ? TRUE : FALSE , & info) ) @@ -166,16 +254,21 @@ inline bool IsGreaterThanStdSize(const wxBitmap& bmp) // --------------------------------------------------------------------------- // Construct a menu with optional title (then use append) -void wxMenu::Init() +void wxMenu::InitNoCreate() { + m_radioData = NULL; m_doBreak = false; - m_startRadioGroup = -1; #if wxUSE_OWNER_DRAWN m_ownerDrawn = false; m_maxBitmapWidth = 0; m_maxAccelWidth = -1; #endif // wxUSE_OWNER_DRAWN +} + +void wxMenu::Init() +{ + InitNoCreate(); // create the menu m_hMenu = (WXHMENU)CreatePopupMenu(); @@ -193,6 +286,24 @@ void wxMenu::Init() } } +wxMenu::wxMenu(WXHMENU hMenu) +{ + InitNoCreate(); + + m_hMenu = hMenu; + + // Ensure that our internal idea of how many items we have corresponds to + // the real number of items in the menu. + // + // We could also retrieve the real labels of the items here but it doesn't + // seem to be worth the trouble. + const int numExistingItems = ::GetMenuItemCount(m_hMenu); + for ( int n = 0; n < numExistingItems; n++ ) + { + wxMenuBase::DoAppend(wxMenuItem::New(this, wxID_SEPARATOR)); + } +} + // The wxWindow destructor will take care of deleting the submenus. wxMenu::~wxMenu() { @@ -211,6 +322,8 @@ wxMenu::~wxMenu() // delete accels WX_CLEAR_ARRAY(m_accels); #endif // wxUSE_ACCEL + + delete m_radioData; } void wxMenu::Break() @@ -219,13 +332,6 @@ void wxMenu::Break() m_doBreak = true; } -void wxMenu::Attach(wxMenuBarBase *menubar) -{ - wxMenuBase::Attach(menubar); - - EndRadioGroup(); -} - #if wxUSE_ACCEL int wxMenu::FindAccel(int id) const @@ -295,7 +401,9 @@ void wxMenu::UpdateAccel(wxMenuItem *item) GetMenuBar()->RebuildAccelTable(); } +#if wxUSE_OWNER_DRAWN ResetMaxAccelWidth(); +#endif } //else: it is a separator, they can't have accels, nothing to do } @@ -324,6 +432,7 @@ HBITMAP GetHBitmapForMenu(wxMenuItem *pItem, bool checked = true) #if wxUSE_IMAGE if ( wxGetWinVersion() >= wxWinVersion_Vista ) { +#if wxUSE_OWNER_DRAWN wxBitmap bmp = pItem->GetBitmap(checked); if ( bmp.IsOk() ) { @@ -337,6 +446,7 @@ HBITMAP GetHBitmapForMenu(wxMenuItem *pItem, bool checked = true) return GetHbitmapOf(pItem->GetBitmap(checked)); } +#endif // wxUSE_OWNER_DRAWN //else: bitmap is not set return NULL; @@ -348,6 +458,11 @@ HBITMAP GetHBitmapForMenu(wxMenuItem *pItem, bool checked = true) } // anonymous namespace +bool wxMenu::MSWGetRadioGroupRange(int pos, int *start, int *end) const +{ + return m_radioData && m_radioData->GetGroupRange(pos, start, end); +} + // append a new item or submenu to the menu bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos) { @@ -397,6 +512,21 @@ bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos) pos = GetMenuItemCount() - 1; } + // Update radio groups data if we're inserting a new radio item. + // + // NB: If we supported inserting non-radio items in the middle of existing + // radio groups to break them into two subgroups, we'd need to update + // m_radioData in this case too but currently this is not supported. + bool checkInitially = false; + if ( pItem->GetKind() == wxITEM_RADIO ) + { + if ( !m_radioData ) + m_radioData = new wxMenuRadioItemsData; + + if ( m_radioData->UpdateOnInsert(pos) ) + checkInitially = true; + } + // adjust position to account for the title of a popup menu, if any if ( !GetMenuBar() && !m_title.empty() ) pos += 2; // for the title itself and its separator @@ -424,17 +554,17 @@ bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos) // them in any case if the item has custom colours or font static const wxWinVersion winver = wxGetWinVersion(); bool mustUseOwnerDrawn = winver < wxWinVersion_98 || - pItem->GetTextColour().Ok() || - pItem->GetBackgroundColour().Ok() || - pItem->GetFont().Ok(); + pItem->GetTextColour().IsOk() || + pItem->GetBackgroundColour().IsOk() || + pItem->GetFont().IsOk(); if ( !mustUseOwnerDrawn ) { const wxBitmap& bmpUnchecked = pItem->GetBitmap(false), bmpChecked = pItem->GetBitmap(true); - if ( (bmpUnchecked.Ok() && IsGreaterThanStdSize(bmpUnchecked)) || - (bmpChecked.Ok() && IsGreaterThanStdSize(bmpChecked)) ) + if ( (bmpUnchecked.IsOk() && IsGreaterThanStdSize(bmpUnchecked)) || + (bmpChecked.IsOk() && IsGreaterThanStdSize(bmpChecked)) ) { mustUseOwnerDrawn = true; } @@ -600,6 +730,10 @@ bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos) } + // Check the item if it should be initially checked. + if ( checkInitially ) + pItem->Check(true); + // if we just appended the title, highlight it if ( id == (UINT_PTR)idMenuTitle ) { @@ -616,67 +750,9 @@ bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos) return true; } -void wxMenu::EndRadioGroup() -{ - // we're not inside a radio group any longer - m_startRadioGroup = -1; -} - wxMenuItem* wxMenu::DoAppend(wxMenuItem *item) { - wxCHECK_MSG( item, NULL, wxT("NULL item in wxMenu::DoAppend") ); - - bool check = false; - - if ( item->GetKind() == wxITEM_RADIO ) - { - int count = GetMenuItemCount(); - - if ( m_startRadioGroup == -1 ) - { - // start a new radio group - m_startRadioGroup = count; - - // for now it has just one element - item->SetAsRadioGroupStart(); - item->SetRadioGroupEnd(m_startRadioGroup); - - // ensure that we have a checked item in the radio group - check = true; - } - else // extend the current radio group - { - // we need to update its end item - item->SetRadioGroupStart(m_startRadioGroup); - wxMenuItemList::compatibility_iterator node = GetMenuItems().Item(m_startRadioGroup); - - if ( node ) - { - node->GetData()->SetRadioGroupEnd(count); - } - else - { - wxFAIL_MSG( wxT("where is the radio group start item?") ); - } - } - } - else // not a radio item - { - EndRadioGroup(); - } - - if ( !wxMenuBase::DoAppend(item) || !DoInsertOrAppend(item) ) - { - return NULL; - } - - if ( check ) - { - // check the item initially - item->Check(true); - } - - return item; + return wxMenuBase::DoAppend(item) && DoInsertOrAppend(item) ? item : NULL; } wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item) @@ -712,7 +788,9 @@ wxMenuItem *wxMenu::DoRemove(wxMenuItem *item) m_accels.RemoveAt(n); +#if wxUSE_OWNER_DRAWN ResetMaxAccelWidth(); +#endif } //else: this item doesn't have an accel, nothing to do #endif // wxUSE_ACCEL @@ -829,9 +907,7 @@ void wxMenu::SetTitle(const wxString& label) { // modify the title #ifdef __WXWINCE__ - MENUITEMINFO info; - wxZeroMemory(info); - info.cbSize = sizeof(info); + WinStruct info; info.fMask = MIIM_TYPE; info.fType = MFT_STRING; info.cch = m_title.length(); @@ -855,7 +931,7 @@ void wxMenu::SetTitle(const wxString& label) // put the title string in bold face if ( !m_title.empty() ) { - SetDefaultMenuItem(GetHmenu(), (UINT_PTR)idMenuTitle); + SetDefaultMenuItem(GetHmenu(), (UINT)idMenuTitle); } #endif // Win32 } @@ -871,21 +947,32 @@ bool wxMenu::MSWCommand(WXUINT WXUNUSED(param), WXWORD id_) // ignore commands from the menu title if ( id != idMenuTitle ) { + // Default value for uncheckable items. + int checked = -1; + // update the check item when it's clicked wxMenuItem * const item = FindItem(id); if ( item && item->IsCheckable() ) + { item->Toggle(); - // get the status of the menu item: note that it has been just changed - // by Toggle() above so here we already get the new state of the item - UINT menuState = ::GetMenuState(GetHmenu(), id, MF_BYCOMMAND); - SendEvent(id, menuState & MF_CHECKED); + // Get the status of the menu item: note that it has been just changed + // by Toggle() above so here we already get the new state of the item. + // + // Also notice that we must pass unsigned id_ and not sign-extended id + // to ::GetMenuState() as this is what it expects. + UINT menuState = ::GetMenuState(GetHmenu(), id_, MF_BYCOMMAND); + checked = (menuState & MF_CHECKED) != 0; + } + + SendEvent(id, checked); } return true; } // get the menu with given handle (recursively) +#if wxUSE_OWNER_DRAWN wxMenu* wxMenu::MSWGetMenu(WXHMENU hMenu) { // check self @@ -908,6 +995,7 @@ wxMenu* wxMenu::MSWGetMenu(WXHMENU hMenu) // unknown hMenu return NULL; } +#endif // wxUSE_OWNER_DRAWN // --------------------------------------------------------------------------- // Menu Bar @@ -1125,6 +1213,19 @@ void wxMenuBar::EnableTop(size_t pos, bool enable) Refresh(); } +bool wxMenuBar::IsEnabledTop(size_t pos) const +{ + wxCHECK_MSG( pos < GetMenuCount(), false, wxS("invalid menu index") ); + WinStruct mii; + mii.fMask = MIIM_STATE; + if ( !::GetMenuItemInfo(GetHmenu(), pos, TRUE, &mii) ) + { + wxLogLastError(wxS("GetMenuItemInfo(menubar)")); + } + + return !(mii.fState & MFS_GRAYED); +} + void wxMenuBar::SetMenuLabel(size_t pos, const wxString& label) { wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") ); @@ -1160,9 +1261,7 @@ void wxMenuBar::SetMenuLabel(size_t pos, const wxString& label) } #ifdef __WXWINCE__ - MENUITEMINFO info; - wxZeroMemory(info); - info.cbSize = sizeof(info); + WinStruct info; info.fMask = MIIM_TYPE; info.fType = MFT_STRING; info.cch = label.length(); @@ -1497,6 +1596,7 @@ wxMenu* wxMenuBar::MSWGetMenu(WXHMENU hMenu) wxCHECK_MSG( GetHMenu() != hMenu, NULL, wxT("wxMenuBar::MSWGetMenu(): menu handle is wxMenuBar, not wxMenu") ); +#if wxUSE_OWNER_DRAWN // query all menus for ( size_t n = 0 ; n < GetMenuCount(); ++n ) { @@ -1504,6 +1604,7 @@ wxMenu* wxMenuBar::MSWGetMenu(WXHMENU hMenu) if ( menu ) return menu; } +#endif // unknown hMenu return NULL;