X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8cb172b4f12fae80b06d5936108a1bc7f2521674..154ad28bb3f19b842b028b03d5f598dedcf8803c:/src/univ/listbox.cpp diff --git a/src/univ/listbox.cpp b/src/univ/listbox.cpp index a11766268e..1ece01a74b 100644 --- a/src/univ/listbox.cpp +++ b/src/univ/listbox.cpp @@ -5,7 +5,7 @@ // Modified by: // Created: 30.08.00 // RCS-ID: $Id$ -// Copyright: (c) 2000 Vadim Zeitlin +// Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "univlistbox.h" #endif @@ -49,8 +49,6 @@ IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl) BEGIN_EVENT_TABLE(wxListBox, wxListBoxBase) EVT_SIZE(wxListBox::OnSize) - - EVT_IDLE(wxListBox::OnIdle) END_EVENT_TABLE() // ---------------------------------------------------------------------------- @@ -65,11 +63,12 @@ void wxListBox::Init() m_maxWidth = 0; m_scrollRangeY = 0; m_maxWidthItem = -1; + m_strings = NULL; // no items hence no current item m_current = -1; m_selAnchor = -1; - m_currentChanged = FALSE; + m_currentChanged = false; // no need to update anything initially m_updateCount = 0; @@ -78,7 +77,36 @@ void wxListBox::Init() m_updateScrollbarX = m_showScrollbarX = m_updateScrollbarY = - m_showScrollbarY = FALSE; + m_showScrollbarY = false; +} + +wxListBox::wxListBox(wxWindow *parent, + wxWindowID id, + const wxPoint &pos, + const wxSize &size, + const wxArrayString& choices, + long style, + const wxValidator& validator, + const wxString &name) +{ + Init(); + + Create(parent, id, pos, size, choices, style, validator, name); +} + +bool wxListBox::Create(wxWindow *parent, + wxWindowID id, + const wxPoint &pos, + const wxSize &size, + const wxArrayString& choices, + long style, + const wxValidator& validator, + const wxString &name) +{ + wxCArrayString chs(choices); + + return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(), + style, validator, name); } bool wxListBox::Create(wxWindow *parent, @@ -101,13 +129,22 @@ bool wxListBox::Create(wxWindow *parent, if ( !(style & (wxLB_MULTIPLE | wxLB_EXTENDED)) ) style |= wxLB_SINGLE; - if ( !wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name) ) - return FALSE; +#if wxUSE_TWO_WINDOWS + style |= wxVSCROLL|wxHSCROLL; + if ((style & wxBORDER_MASK) == 0) + style |= wxBORDER_SUNKEN; +#endif + + if ( !wxControl::Create(parent, id, pos, size, style, + validator, name) ) + return false; SetWindow(this); if ( style & wxLB_SORT ) - m_strings = wxArrayString(TRUE /* auto sort */); + m_stringsSorted = new wxSortedArrayString; + else + m_strings = new wxArrayString; Set(n, choices); @@ -115,11 +152,20 @@ bool wxListBox::Create(wxWindow *parent, CreateInputHandler(wxINP_HANDLER_LISTBOX); - return TRUE; + return true; } wxListBox::~wxListBox() { + // call this just to free the client data -- and avoid leaking memory + DoClear(); + + if ( IsSorted() ) + delete m_stringsSorted; + else + delete m_strings; + + m_strings = NULL; } // ---------------------------------------------------------------------------- @@ -128,10 +174,21 @@ wxListBox::~wxListBox() int wxListBox::DoAppend(const wxString& item) { - size_t index = m_strings.Add(item); + size_t index; + + if ( IsSorted() ) + { + index = m_stringsSorted->Add(item); + } + else + { + index = m_strings->GetCount(); + m_strings->Add(item); + } + m_itemsClientData.Insert(NULL, index); - m_updateScrollbarY = TRUE; + m_updateScrollbarY = true; if ( HasHorzScrollbar() ) { @@ -142,7 +199,7 @@ int wxListBox::DoAppend(const wxString& item) { m_maxWidth = width; m_maxWidthItem = index; - m_updateScrollbarX = TRUE; + m_updateScrollbarX = true; } } @@ -160,12 +217,12 @@ void wxListBox::DoInsertItems(const wxArrayString& items, int pos) size_t count = items.GetCount(); for ( size_t n = 0; n < count; n++ ) { - m_strings.Insert(items[n], pos + n); + m_strings->Insert(items[n], pos + n); m_itemsClientData.Insert(NULL, pos + n); } // the number of items has changed so we might have to show the scrollbar - m_updateScrollbarY = TRUE; + m_updateScrollbarY = true; // the max width also might have changed - just recalculate it instead of // keeping track of it here, this is probably more efficient for a typical @@ -185,15 +242,26 @@ void wxListBox::DoSetItems(const wxArrayString& items, void **clientData) if ( !count ) return; - m_strings.Alloc(count); + m_strings->Alloc(count); m_itemsClientData.Alloc(count); for ( size_t n = 0; n < count; n++ ) { - size_t index = m_strings.Add(items[n]); + size_t index; + + if ( IsSorted() ) + { + index = m_stringsSorted->Add(items[n]); + } + else + { + index = m_strings->GetCount(); + m_strings->Add(items[n]); + } + m_itemsClientData.Insert(clientData ? clientData[n] : NULL, index); } - m_updateScrollbarY = TRUE; + m_updateScrollbarY = true; RefreshAll(); } @@ -205,7 +273,7 @@ void wxListBox::SetString(int n, const wxString& s) // we need to update m_maxWidth as changing the string may cause the // horz scrollbar [dis]appear wxCoord width; - m_strings[n] = s; + (*m_strings)[n] = s; GetTextExtent(s, &width, NULL); // it might have increased if the new string is long @@ -213,7 +281,7 @@ void wxListBox::SetString(int n, const wxString& s) { m_maxWidth = width; m_maxWidthItem = n; - m_updateScrollbarX = TRUE; + m_updateScrollbarX = true; } // or also decreased if the old string was the longest one else if ( n == m_maxWidthItem ) @@ -223,7 +291,7 @@ void wxListBox::SetString(int n, const wxString& s) } else // no horz scrollbar { - m_strings[n] = s; + (*m_strings)[n] = s; } RefreshItem(n); @@ -235,7 +303,7 @@ void wxListBox::SetString(int n, const wxString& s) void wxListBox::DoClear() { - m_strings.Clear(); + m_strings->Clear(); if ( HasClientObjectData() ) { @@ -256,7 +324,7 @@ void wxListBox::Clear() { DoClear(); - m_updateScrollbarY = TRUE; + m_updateScrollbarY = true; RefreshHorzScrollbar(); @@ -265,13 +333,14 @@ void wxListBox::Clear() void wxListBox::Delete(int n) { - wxCHECK_RET( n < GetCount(), _T("invalid index in wxListBox::Delete") ); + wxCHECK_RET( n >= 0 && n < GetCount(), + _T("invalid index in wxListBox::Delete") ); // do it before removing the index as otherwise the last item will not be // refreshed (as GetCount() will be decremented) RefreshFromItemToEnd(n); - m_strings.RemoveAt(n); + m_strings->RemoveAt(n); if ( HasClientObjectData() ) { @@ -316,7 +385,7 @@ void wxListBox::Delete(int n) } // the number of items has changed, hence the scrollbar may disappear - m_updateScrollbarY = TRUE; + m_updateScrollbarY = true; // finally, if the longest item was deleted the scrollbar may disappear if ( n == m_maxWidthItem ) @@ -503,7 +572,7 @@ void wxListBox::RefreshAll() void wxListBox::RefreshHorzScrollbar() { m_maxWidth = 0; // recalculate it - m_updateScrollbarX = TRUE; + m_updateScrollbarX = true; } void wxListBox::UpdateScrollbars() @@ -527,7 +596,7 @@ void wxListBox::UpdateScrollbars() else // never show it { charWidth = maxWidth = 0; - showScrollbarX = FALSE; + showScrollbarX = false; } // what should be the scrollbar range now? @@ -587,25 +656,25 @@ void wxListBox::UpdateItems() m_updateFrom, m_updateFrom + m_updateCount - 1, rect.GetTop(), rect.GetBottom()); - Refresh(TRUE, &rect); + Refresh(true, &rect); } } -void wxListBox::OnIdle(wxIdleEvent& event) +void wxListBox::OnInternalIdle() { if ( m_updateScrollbarY || m_updateScrollbarX ) { UpdateScrollbars(); m_updateScrollbarX = - m_updateScrollbarY = FALSE; + m_updateScrollbarY = false; } if ( m_currentChanged ) { DoEnsureVisible(m_current); - m_currentChanged = FALSE; + m_currentChanged = false; } if ( m_updateCount ) @@ -614,8 +683,7 @@ void wxListBox::OnIdle(wxIdleEvent& event) m_updateCount = 0; } - - event.Skip(); + wxListBoxBase::OnInternalIdle(); } // ---------------------------------------------------------------------------- @@ -645,7 +713,7 @@ void wxListBox::DoDraw(wxControlRenderer *renderer) wxCoord lineHeight = GetLineHeight(); size_t itemFirst = yTop / lineHeight, itemLast = (yBottom + lineHeight - 1) / lineHeight, - itemMax = m_strings.GetCount(); + itemMax = m_strings->GetCount(); if ( itemFirst >= itemMax ) return; @@ -673,13 +741,13 @@ void wxListBox::DoDrawRange(wxControlRenderer *renderer, bool wxListBox::SetFont(const wxFont& font) { if ( !wxControl::SetFont(font) ) - return FALSE; + return false; CalcItemsPerPage(); RefreshAll(); - return TRUE; + return true; } void wxListBox::CalcItemsPerPage() @@ -714,10 +782,10 @@ wxCoord wxListBox::GetMaxWidth() const { wxListBox *self = wxConstCast(this, wxListBox); wxCoord width; - size_t count = m_strings.GetCount(); + size_t count = m_strings->GetCount(); for ( size_t n = 0; n < count; n++ ) { - GetTextExtent(m_strings[n], &width, NULL); + GetTextExtent((*m_strings)[n], &width, NULL); if ( width > m_maxWidth ) { self->m_maxWidth = width; @@ -736,7 +804,7 @@ void wxListBox::OnSize(wxSizeEvent& event) // the scrollbars might [dis]appear m_updateScrollbarX = - m_updateScrollbarY = TRUE; + m_updateScrollbarY = true; event.Skip(); } @@ -763,7 +831,7 @@ void wxListBox::DoSetSize(int x, int y, height = ((height - hBorders + hLine - 1) / hLine)*hLine + hBorders; } - wxListBoxBase::DoSetSize(x, y, width, height); + wxListBoxBase::DoSetSize(x, y, width, height, sizeFlags); } wxSize wxListBox::DoGetBestClientSize() const @@ -771,11 +839,11 @@ wxSize wxListBox::DoGetBestClientSize() const wxCoord width = 0, height = 0; - size_t count = m_strings.GetCount(); + size_t count = m_strings->GetCount(); for ( size_t n = 0; n < count; n++ ) { wxCoord w,h; - GetTextExtent(m_strings[n], &w, &h); + GetTextExtent((*m_strings)[n], &w, &h); if ( w > width ) width = w; @@ -805,11 +873,6 @@ wxSize wxListBox::DoGetBestClientSize() const bool wxListBox::SendEvent(wxEventType type, int item) { - // don't generate select events while the mouse is captured, we will only - // send them once it is released - if ( (type == wxEVT_COMMAND_LISTBOX_SELECTED) && (GetCapture() == this) ) - return FALSE; - wxCommandEvent event(type, m_windowId); event.SetEventObject(this); @@ -846,7 +909,7 @@ void wxListBox::SetCurrentItem(int n) if ( m_current != -1 ) { - m_currentChanged = TRUE; + m_currentChanged = true; RefreshItem(m_current); } @@ -860,7 +923,7 @@ bool wxListBox::FindItem(const wxString& prefix, bool strictlyAfter) if ( !count ) { // empty listbox, we can't find anything in it - return FALSE; + return false; } // start either from the current item or from the next one if strictlyAfter @@ -888,7 +951,7 @@ bool wxListBox::FindItem(const wxString& prefix, bool strictlyAfter) // loop over all items in the listbox for ( int item = first; item != last; item < count - 1 ? item++ : item = 0 ) { - if ( wxStrnicmp(m_strings[item], prefix, len) == 0 ) + if ( wxStrnicmp((*m_strings)[item], prefix, len) == 0 ) { SetCurrentItem(item); @@ -901,12 +964,12 @@ bool wxListBox::FindItem(const wxString& prefix, bool strictlyAfter) AnchorSelection(item); } - return TRUE; + return true; } } // nothing found - return FALSE; + return false; } void wxListBox::EnsureVisible(int n) @@ -916,7 +979,7 @@ void wxListBox::EnsureVisible(int n) UpdateScrollbars(); m_updateScrollbarX = - m_updateScrollbarY = FALSE; + m_updateScrollbarY = false; } DoEnsureVisible(n); @@ -1005,7 +1068,7 @@ void wxListBox::ExtendSelection(int itemTo) } } -void wxListBox::Select(bool sel, int item) +void wxListBox::DoSelect(int item, bool sel) { if ( item != -1 ) { @@ -1025,7 +1088,7 @@ void wxListBox::Select(bool sel, int item) void wxListBox::SelectAndNotify(int item) { - Select(TRUE, item); + DoSelect(item); SendEvent(wxEVT_COMMAND_LISTBOX_SELECTED); } @@ -1044,7 +1107,7 @@ void wxListBox::Activate(int item) if ( item != -1 ) { - Select(TRUE, item); + DoSelect(item); SendEvent(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED); } @@ -1054,6 +1117,19 @@ void wxListBox::Activate(int item) // input handling // ---------------------------------------------------------------------------- +/* + The numArg here is the listbox item index while the strArg is used + differently for the different actions: + + a) for wxACTION_LISTBOX_FIND it has the natural meaning: this is the string + to find + + b) for wxACTION_LISTBOX_SELECT and wxACTION_LISTBOX_EXTENDSEL it is used + to decide if the listbox should send the notification event (it is empty) + or not (it is not): this allows us to reuse the same action for when the + user is dragging the mouse when it has been released although in the + first case no notification is sent while in the second it is sent. + */ bool wxListBox::PerformAction(const wxControlAction& action, long numArg, const wxString& strArg) @@ -1061,28 +1137,36 @@ bool wxListBox::PerformAction(const wxControlAction& action, int item = (int)numArg; if ( action == wxACTION_LISTBOX_SETFOCUS ) + { SetCurrentItem(item); + } else if ( action == wxACTION_LISTBOX_ACTIVATE ) + { Activate(item); + } else if ( action == wxACTION_LISTBOX_TOGGLE ) { if ( item == -1 ) item = m_current; if ( IsSelected(item) ) - Unselect(item); + DoUnselect(item); else SelectAndNotify(item); } else if ( action == wxACTION_LISTBOX_SELECT ) { DeselectAll(item); - SelectAndNotify(item); + + if ( strArg.empty() ) + SelectAndNotify(item); + else + DoSelect(item); } else if ( action == wxACTION_LISTBOX_SELECTADD ) - Select(TRUE, item); + DoSelect(item); else if ( action == wxACTION_LISTBOX_UNSELECT ) - Select(FALSE, item); + DoUnselect(item); else if ( action == wxACTION_LISTBOX_MOVEDOWN ) ChangeCurrent(1); else if ( action == wxACTION_LISTBOX_MOVEUP ) @@ -1109,7 +1193,7 @@ bool wxListBox::PerformAction(const wxControlAction& action, else return wxControl::PerformAction(action, numArg, strArg); - return TRUE; + return true; } // ============================================================================ @@ -1123,7 +1207,7 @@ wxStdListboxInputHandler::wxStdListboxInputHandler(wxInputHandler *handler, m_btnCapture = 0; m_toggleOnPressAlways = toggleOnPressAlways; m_actionMouse = wxACTION_NONE; - m_trackMouseOutside = TRUE; + m_trackMouseOutside = true; } int wxStdListboxInputHandler::HitTest(const wxListBox *lbox, @@ -1231,20 +1315,20 @@ wxStdListboxInputHandler::SetupCapture(wxListBox *lbox, } // by default we always do track it - m_trackMouseOutside = TRUE; + m_trackMouseOutside = true; return action; } -bool wxStdListboxInputHandler::HandleKey(wxControl *control, +bool wxStdListboxInputHandler::HandleKey(wxInputConsumer *consumer, const wxKeyEvent& event, bool pressed) { // we're only interested in the key press events if ( pressed && !event.AltDown() ) { - bool isMoveCmd = TRUE; - int style = control->GetWindowStyle(); + bool isMoveCmd = true; + int style = consumer->GetInputWindow()->GetWindowStyle(); wxControlAction action; wxString strArg; @@ -1253,25 +1337,46 @@ bool wxStdListboxInputHandler::HandleKey(wxControl *control, switch ( keycode ) { // movement - case WXK_UP: action = wxACTION_LISTBOX_MOVEUP; break; - case WXK_DOWN: action = wxACTION_LISTBOX_MOVEDOWN; break; - case WXK_PRIOR: action = wxACTION_LISTBOX_PAGEUP; break; - case WXK_NEXT: action = wxACTION_LISTBOX_PAGEDOWN; break; - case WXK_HOME: action = wxACTION_LISTBOX_START; break; - case WXK_END: action = wxACTION_LISTBOX_END; break; + case WXK_UP: + action = wxACTION_LISTBOX_MOVEUP; + break; + + case WXK_DOWN: + action = wxACTION_LISTBOX_MOVEDOWN; + break; + + case WXK_PAGEUP: + + case WXK_PRIOR: + action = wxACTION_LISTBOX_PAGEUP; + break; + + case WXK_PAGEDOWN: + + case WXK_NEXT: + action = wxACTION_LISTBOX_PAGEDOWN; + break; + + case WXK_HOME: + action = wxACTION_LISTBOX_START; + break; + + case WXK_END: + action = wxACTION_LISTBOX_END; + break; // selection case WXK_SPACE: if ( style & wxLB_MULTIPLE ) { action = wxACTION_LISTBOX_TOGGLE; - isMoveCmd = FALSE; + isMoveCmd = false; } break; case WXK_RETURN: action = wxACTION_LISTBOX_ACTIVATE; - isMoveCmd = FALSE; + isMoveCmd = false; break; default: @@ -1282,42 +1387,42 @@ bool wxStdListboxInputHandler::HandleKey(wxControl *control, } } - if ( !!action ) + if ( !action.IsEmpty() ) { - control->PerformAction(action, -1, strArg); + consumer->PerformAction(action, -1, strArg); if ( isMoveCmd ) { if ( style & wxLB_SINGLE ) { // the current item is always the one selected - control->PerformAction(wxACTION_LISTBOX_SELECT); + consumer->PerformAction(wxACTION_LISTBOX_SELECT); } else if ( style & wxLB_EXTENDED ) { if ( event.ShiftDown() ) - control->PerformAction(wxACTION_LISTBOX_EXTENDSEL); + consumer->PerformAction(wxACTION_LISTBOX_EXTENDSEL); else { // select the item and make it the new selection anchor - control->PerformAction(wxACTION_LISTBOX_SELECT); - control->PerformAction(wxACTION_LISTBOX_ANCHOR); + consumer->PerformAction(wxACTION_LISTBOX_SELECT); + consumer->PerformAction(wxACTION_LISTBOX_ANCHOR); } } //else: nothing to do for multiple selection listboxes } - return TRUE; + return true; } } - return wxStdInputHandler::HandleKey(control, event, pressed); + return wxStdInputHandler::HandleKey(consumer, event, pressed); } -bool wxStdListboxInputHandler::HandleMouse(wxControl *control, +bool wxStdListboxInputHandler::HandleMouse(wxInputConsumer *consumer, const wxMouseEvent& event) { - wxListBox *lbox = wxStaticCast(control, wxListBox); + wxListBox *lbox = wxStaticCast(consumer->GetInputWindow(), wxListBox); int item = HitTest(lbox, event); wxControlAction action; @@ -1340,7 +1445,6 @@ bool wxStdListboxInputHandler::HandleMouse(wxControl *control, winCapture->ReleaseMouse(); m_btnCapture = 0; - // generate the last event to triiger sending the selection event action = m_actionMouse; } //else: the mouse wasn't presed over the listbox, only released here @@ -1350,23 +1454,23 @@ bool wxStdListboxInputHandler::HandleMouse(wxControl *control, action = wxACTION_LISTBOX_ACTIVATE; } - if ( !!action ) + if ( !action.IsEmpty() ) { lbox->PerformAction(action, item); - return TRUE; + return true; } - return wxStdInputHandler::HandleMouse(control, event); + return wxStdInputHandler::HandleMouse(consumer, event); } -bool wxStdListboxInputHandler::HandleMouseMove(wxControl *control, +bool wxStdListboxInputHandler::HandleMouseMove(wxInputConsumer *consumer, const wxMouseEvent& event) { wxWindow *winCapture = wxWindow::GetCapture(); if ( winCapture && (event.GetEventObject() == winCapture) ) { - wxListBox *lbox = wxStaticCast(control, wxListBox); + wxListBox *lbox = wxStaticCast(consumer->GetInputWindow(), wxListBox); if ( !m_btnCapture || !m_trackMouseOutside ) { @@ -1374,7 +1478,7 @@ bool wxStdListboxInputHandler::HandleMouseMove(wxControl *control, // when we do it ourselves): in this case we only react to // the mouse messages when they happen inside the listbox if ( lbox->HitTest(event.GetPosition()) != wxHT_WINDOW_INSIDE ) - return FALSE; + return false; } int item = HitTest(lbox, event); @@ -1385,12 +1489,14 @@ bool wxStdListboxInputHandler::HandleMouseMove(wxControl *control, // events SetupCapture(lbox, event, item); - m_trackMouseOutside = FALSE; + m_trackMouseOutside = false; } if ( IsValidIndex(lbox, item) ) { - lbox->PerformAction(m_actionMouse, item); + // pass something into strArg to tell the listbox that it shouldn't + // send the notification message: see PerformAction() above + lbox->PerformAction(m_actionMouse, item, _T("no")); } // else: don't pass invalid index to the listbox } @@ -1404,7 +1510,7 @@ bool wxStdListboxInputHandler::HandleMouseMove(wxControl *control, } } - return wxStdInputHandler::HandleMouseMove(control, event); + return wxStdInputHandler::HandleMouseMove(consumer, event); } #endif // wxUSE_LISTBOX