X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e1d1da03d50b52b275abc35b4c395c30873965c3..efeb036598df39027d57d3dd9ea6fafc1232eadb:/src/msw/listbox.cpp diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp index 8c8922b504..994f8e8f9b 100644 --- a/src/msw/listbox.cpp +++ b/src/msw/listbox.cpp @@ -3,26 +3,29 @@ // Purpose: wxListBox // Author: Julian Smart // Modified by: Vadim Zeitlin (owner drawn stuff) -// Created: +// Created: // RCS-ID: $Id$ // Copyright: (c) Julian Smart // Licence: wxWindows license /////////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ -#pragma implementation "listbox.h" + #pragma implementation "listbox.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/listbox.h" -#include "wx/settings.h" + #include "wx/listbox.h" + #include "wx/settings.h" + #include "wx/brush.h" + #include "wx/font.h" + #include "wx/dc.h" #endif #include "wx/msw/private.h" @@ -30,43 +33,44 @@ #include #include -#ifdef __GNUWIN32__ -#include +#ifndef __TWIN32__ + #ifdef __GNUWIN32__ + #include + #endif #endif -#ifdef GetCharWidth -#undef GetCharWidth +#if wxUSE_OWNER_DRAWN + #include "wx/ownerdrw.h" #endif -#if USE_OWNER_DRAWN - #include "wx/ownerdrw.h" -#endif +#include "wx/dynarray.h" +#include "wx/log.h" #if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl) + IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl) #endif // ============================================================================ // list box item declaration and implementation // ============================================================================ -#if USE_OWNER_DRAWN +#if wxUSE_OWNER_DRAWN class wxListBoxItem : public wxOwnerDrawn { public: - wxListBoxItem(const wxString& str = ""); + wxListBoxItem(const wxString& str = ""); }; -wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE) +wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE) { - // no bitmaps/checkmarks - SetMarginWidth(0); + // no bitmaps/checkmarks + SetMarginWidth(0); } -wxOwnerDrawn *wxListBox::CreateItem(uint n) +wxOwnerDrawn *wxListBox::CreateItem(size_t n) { - return new wxListBoxItem(); + return new wxListBoxItem(); } #endif //USE_OWNER_DRAWN @@ -75,472 +79,465 @@ wxOwnerDrawn *wxListBox::CreateItem(uint n) // list box control implementation // ============================================================================ -// this macro is dangerous but still better than tons of (HWND)GetHWND() -#define hwnd (HWND)GetHWND() - -bool wxListBox::MSWCommand(const WXUINT param, const WXWORD WXUNUSED(id)) -{ -/* - if (param == LBN_SELCANCEL) - { - event.extraLong = FALSE; - } -*/ - if (param == LBN_SELCHANGE) - { - wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId); - int *liste = NULL; - int count = GetSelections(&liste) ; - if (count && liste) +bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) +{ + /* + if (param == LBN_SELCANCEL) + { + event.extraLong = FALSE; + } + */ + if (param == LBN_SELCHANGE) { - event.m_commandInt = liste[0] ; - event.m_clientData = GetClientData(event.m_commandInt); - wxString str(GetString(event.m_commandInt)); - if (str != "") - event.m_commandString = copystring((char *)(const char *)str); + wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId); + wxArrayInt aSelections; + int count = GetSelections(aSelections); + if ( count > 0 ) + { + event.m_commandInt = aSelections[0] ; + event.m_clientData = GetClientData(event.m_commandInt); + wxString str(GetString(event.m_commandInt)); + if (str != "") + { + event.m_commandString = str; + } + } + else + { + event.m_commandInt = -1 ; + event.m_commandString.Empty(); + } + + event.SetEventObject( this ); + ProcessCommand(event); + return TRUE; } - else + else if (param == LBN_DBLCLK) { - event.m_commandInt = -1 ; - event.m_commandString = copystring("") ; + wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId); + event.SetEventObject( this ); + GetEventHandler()->ProcessEvent(event) ; + return TRUE; } - event.SetEventObject( this ); - ProcessCommand(event); - if (event.m_commandString) - delete[] event.m_commandString ; - return TRUE; - } - else if (param == LBN_DBLCLK) - { - wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId); - event.SetEventObject( this ); - if ( !GetEventHandler()->ProcessEvent(event) ) - { -#if WXWIN_COMPATIBILITY - wxWindow *parent = (wxWindow *)GetParent(); - if (parent) - parent->GetEventHandler()->OnDefaultAction(this); -#endif - return TRUE; - } - } - return FALSE; + return FALSE; } -// Listbox item -wxListBox::wxListBox(void) + // Listbox item +wxListBox::wxListBox() { - m_noItems = 0; - m_selected = 0; - m_selections = NULL; + m_noItems = 0; + m_selected = 0; } -bool wxListBox::Create(wxWindow *parent, const wxWindowID id, +bool wxListBox::Create(wxWindow *parent, + wxWindowID id, const wxPoint& pos, const wxSize& size, - const int n, const wxString choices[], - const long style, + int n, const wxString choices[], + long style, const wxValidator& validator, const wxString& name) { - m_noItems = n; - m_hWnd = 0; - m_selected = 0; - m_selections = NULL; + m_noItems = 0; + m_hWnd = 0; + m_selected = 0; - SetName(name); - SetValidator(validator); + SetName(name); + SetValidator(validator); - if (parent) parent->AddChild(this); + if (parent) + parent->AddChild(this); - wxSystemSettings settings; - SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW)); - SetForegroundColour(parent->GetDefaultForegroundColour()); + wxSystemSettings settings; + SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW)); + SetForegroundColour(parent->GetForegroundColour()); - m_windowId = ( id == -1 ) ? (int)NewControlId() : id; + m_windowId = ( id == -1 ) ? (int)NewControlId() : id; - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; - m_windowStyle = style; + int x = pos.x; + int y = pos.y; + int width = size.x; + int height = size.y; + m_windowStyle = style; - DWORD wstyle = WS_VSCROLL | WS_TABSTOP | LBS_NOTIFY | LBS_HASSTRINGS; - if (m_windowStyle & wxLB_MULTIPLE) - wstyle |= LBS_MULTIPLESEL; - else if (m_windowStyle & wxLB_EXTENDED) - wstyle |= LBS_EXTENDEDSEL; + DWORD wstyle = WS_VISIBLE | WS_VSCROLL | WS_TABSTOP | + LBS_NOTIFY | LBS_HASSTRINGS; + if (m_windowStyle & wxLB_MULTIPLE) + wstyle |= LBS_MULTIPLESEL; + else if (m_windowStyle & wxLB_EXTENDED) + wstyle |= LBS_EXTENDEDSEL; - if (m_windowStyle & wxLB_ALWAYS_SB) - wstyle |= LBS_DISABLENOSCROLL ; - if (m_windowStyle & wxLB_HSCROLL) - wstyle |= WS_HSCROLL; - if (m_windowStyle & wxLB_SORT) - wstyle |= LBS_SORT; + if (m_windowStyle & wxLB_ALWAYS_SB) + wstyle |= LBS_DISABLENOSCROLL ; + if (m_windowStyle & wxLB_HSCROLL) + wstyle |= WS_HSCROLL; + if (m_windowStyle & wxLB_SORT) + wstyle |= LBS_SORT; -#if USE_OWNER_DRAWN +#if wxUSE_OWNER_DRAWN if ( m_windowStyle & wxLB_OWNERDRAW ) { - // we don't support LBS_OWNERDRAWVARIABLE yet - wstyle |= LBS_OWNERDRAWFIXED; + // we don't support LBS_OWNERDRAWVARIABLE yet + wstyle |= LBS_OWNERDRAWFIXED; } -#else - // Change from previous versions of wxWin: JACS Nov. 1995 - // Not sure whether to have integral, or no integral - // style. With the latter we may get partial items showing. - // VZ: also it makes life more difficult for owner-drawn controls - wstyle |= LBS_NOINTEGRALHEIGHT; #endif - bool want3D; - WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ; - - // Even with extended styles, need to combine with WS_BORDER - // for them to look right. - if ( want3D || (m_windowStyle & wxSIMPLE_BORDER) - || (m_windowStyle & wxRAISED_BORDER) - || (m_windowStyle & wxSUNKEN_BORDER) - || (m_windowStyle & wxDOUBLE_BORDER) ) { - wstyle |= WS_BORDER; - } - - HWND wx_list = CreateWindowEx(exStyle, "LISTBOX", NULL, - wstyle | WS_CHILD, - 0, 0, 0, 0, - (HWND)parent->GetHWND(), (HMENU)m_windowId, - wxGetInstance(), NULL); -#if CTL3D - if (want3D) - { - Ctl3dSubclassCtl(wx_list); - m_useCtl3D = TRUE; - } -#endif + // Without this style, you get unexpected heights, so e.g. constraint layout + // doesn't work properly + wstyle |= LBS_NOINTEGRALHEIGHT; - uint ui; - for (ui = 0; ui < (uint)n; ui++) { - SendMessage(wx_list, LB_ADDSTRING, 0, (LPARAM)(const char *)choices[ui]); - } + bool want3D; + WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ; - #if USE_OWNER_DRAWN - if ( m_windowStyle & wxLB_OWNERDRAW ) { - for (ui = 0; ui < (uint)n; ui++) { - // create new item which will process WM_{DRAW|MEASURE}ITEM messages - wxOwnerDrawn *pNewItem = CreateItem(ui); - pNewItem->SetName(choices[ui]); - m_aItems.Add(pNewItem); - ListBox_SetItemData(wx_list, ui, pNewItem); - } + // Even with extended styles, need to combine with WS_BORDER + // for them to look right. + if ( want3D || wxStyleHasBorder(m_windowStyle) ) + { + wstyle |= WS_BORDER; + } + + m_hWnd = (WXHWND)::CreateWindowEx(exStyle, "LISTBOX", NULL, + wstyle | WS_CHILD, + 0, 0, 0, 0, + (HWND)parent->GetHWND(), (HMENU)m_windowId, + wxGetInstance(), NULL); + + wxCHECK_MSG( m_hWnd, FALSE, "Failed to create listbox" ); + +#if wxUSE_CTL3D + if (want3D) + { + Ctl3dSubclassCtl(GetHwnd()); + m_useCtl3D = TRUE; } - #endif +#endif - if ((m_windowStyle & wxLB_MULTIPLE) == 0) - SendMessage(wx_list, LB_SETCURSEL, 0, 0); + // Subclass again to catch messages + SubclassWin(m_hWnd); - ShowWindow(wx_list, SW_SHOW); + size_t ui; + for (ui = 0; ui < (size_t)n; ui++) { + Append(choices[ui]); + } - m_hWnd = (WXHWND)wx_list; + if ( (m_windowStyle & wxLB_MULTIPLE) == 0 ) + SendMessage(GetHwnd(), LB_SETCURSEL, 0, 0); - // Subclass again for purposes of dialog editing mode - SubclassWin((WXHWND)wx_list); + SetFont(parent->GetFont()); - SetFont(* parent->GetFont()); + SetSize(x, y, width, height); - SetSize(x, y, width, height); + Show(TRUE); - return TRUE; + return TRUE; } -wxListBox::~wxListBox(void) +wxListBox::~wxListBox() { - #if USE_OWNER_DRAWN - uint uiCount = m_aItems.Count(); +#if wxUSE_OWNER_DRAWN + size_t uiCount = m_aItems.Count(); while ( uiCount-- != 0 ) { - delete m_aItems[uiCount]; + delete m_aItems[uiCount]; } - #endif - - DELETEA(m_selections); +#endif // wxUSE_OWNER_DRAWN } -void wxListBox::SetupColours(void) +void wxListBox::SetupColours() { - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); - SetForegroundColour(GetParent()->GetDefaultForegroundColour()); + SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + SetForegroundColour(GetParent()->GetForegroundColour()); } -void wxListBox::SetFirstItem(const int N) +void wxListBox::SetFirstItem(int N) { - SendMessage(hwnd,LB_SETTOPINDEX,(WPARAM)N,(LPARAM)0) ; + wxCHECK_RET( N >= 0 && N < m_noItems, + "invalid index in wxListBox::SetFirstItem" ); + + SendMessage(GetHwnd(),LB_SETTOPINDEX,(WPARAM)N,(LPARAM)0) ; } void wxListBox::SetFirstItem(const wxString& s) { - int N = FindString(s) ; + int N = FindString(s) ; - if (N>=0) - SetFirstItem(N) ; + if ( N >= 0 ) + SetFirstItem(N) ; } -void wxListBox::Delete(const int N) +void wxListBox::Delete(int N) { - SendMessage(hwnd, LB_DELETESTRING, N, 0); - m_noItems --; - SetHorizontalExtent(""); + wxCHECK_RET( N >= 0 && N < m_noItems, + "invalid index in wxListBox::Delete" ); + + SendMessage(GetHwnd(), LB_DELETESTRING, N, 0); + m_noItems--; + + SetHorizontalExtent(""); } void wxListBox::Append(const wxString& item) { - int index = ListBox_AddString(hwnd, item); - m_noItems ++; + int index = ListBox_AddString(GetHwnd(), item); + m_noItems ++; - #if USE_OWNER_DRAWN +#if wxUSE_OWNER_DRAWN if ( m_windowStyle & wxLB_OWNERDRAW ) { - wxOwnerDrawn *pNewItem = CreateItem(-1); // dummy argument - pNewItem->SetName(item); - m_aItems.Add(pNewItem); - ListBox_SetItemData(hwnd, index, pNewItem); + wxOwnerDrawn *pNewItem = CreateItem(index); // dummy argument + pNewItem->SetName(item); + m_aItems.Add(pNewItem); + ListBox_SetItemData(GetHwnd(), index, pNewItem); } - #endif +#endif - SetHorizontalExtent(item); + SetHorizontalExtent(item); } void wxListBox::Append(const wxString& item, char *Client_data) { - int index = ListBox_AddString(hwnd, item); - m_noItems ++; + int index = ListBox_AddString(GetHwnd(), item); + m_noItems ++; - #if USE_OWNER_DRAWN +#if wxUSE_OWNER_DRAWN if ( m_windowStyle & wxLB_OWNERDRAW ) { - // client data must be pointer to wxOwnerDrawn, otherwise we would crash - // in OnMeasure/OnDraw. - wxFAIL_MSG("Can't use client data with owner-drawn listboxes"); + // client data must be pointer to wxOwnerDrawn, otherwise we would crash + // in OnMeasure/OnDraw. + wxFAIL_MSG("Can't use client data with owner-drawn listboxes"); } else - #endif - ListBox_SetItemData(hwnd, index, Client_data); +#endif + + ListBox_SetItemData(GetHwnd(), index, Client_data); - SetHorizontalExtent(item); + SetHorizontalExtent(item); } -void wxListBox::Set(const int n, const wxString *choices, char** clientData) +void wxListBox::Set(int n, const wxString *choices, char** clientData) { - ShowWindow(hwnd, SW_HIDE); - ListBox_ResetContent(hwnd); - int i; - for (i = 0; i < n; i++) - { - ListBox_AddString(hwnd, choices[i]); - if ( clientData ) - ListBox_SetItemData(hwnd, i, clientData[i]); - } - m_noItems = n; + ShowWindow(GetHwnd(), SW_HIDE); + ListBox_ResetContent(GetHwnd()); + int i; + for (i = 0; i < n; i++) + { + ListBox_AddString(GetHwnd(), choices[i]); + if ( clientData ) + ListBox_SetItemData(GetHwnd(), i, clientData[i]); + } + m_noItems = n; - #if USE_OWNER_DRAWN +#if wxUSE_OWNER_DRAWN if ( m_windowStyle & wxLB_OWNERDRAW ) { - // first delete old items - uint ui = m_aItems.Count(); - while ( ui-- != 0 ) { - delete m_aItems[ui]; - } - m_aItems.Empty(); - - // then create new ones - for (ui = 0; ui < (uint)n; ui++) { - wxOwnerDrawn *pNewItem = CreateItem(ui); - pNewItem->SetName(choices[ui]); - m_aItems.Add(pNewItem); - ListBox_SetItemData(hwnd, ui, pNewItem); - - wxASSERT_MSG(clientData[ui] == NULL, - "Can't use client data with owner-drawn listboxes"); - } + // first delete old items + size_t ui = m_aItems.Count(); + while ( ui-- != 0 ) { + delete m_aItems[ui]; + } + m_aItems.Empty(); + + // then create new ones + for (ui = 0; ui < (size_t)n; ui++) { + wxOwnerDrawn *pNewItem = CreateItem(ui); + pNewItem->SetName(choices[ui]); + m_aItems.Add(pNewItem); + ListBox_SetItemData(GetHwnd(), ui, pNewItem); + + wxASSERT_MSG(clientData[ui] == NULL, + "Can't use client data with owner-drawn listboxes"); + } } - #endif +#endif - SetHorizontalExtent(""); - ShowWindow(hwnd, SW_SHOW); + SetHorizontalExtent(""); + ShowWindow(GetHwnd(), SW_SHOW); } int wxListBox::FindString(const wxString& s) const { - int pos = ListBox_FindStringExact(hwnd, (WPARAM)-1, s); - if (pos == LB_ERR) - return -1; - else - return pos; + int pos = ListBox_FindStringExact(GetHwnd(), (WPARAM)-1, s); + if (pos == LB_ERR) + return -1; + else + return pos; } -void wxListBox::Clear(void) +void wxListBox::Clear() { - ListBox_ResetContent(hwnd); + ListBox_ResetContent(GetHwnd()); + +#if wxUSE_OWNER_DRAWN + size_t uiCount = m_aItems.Count(); + while ( uiCount-- != 0 ) { + delete m_aItems[uiCount]; + } + + m_aItems.Clear(); +#endif // wxUSE_OWNER_DRAWN - m_noItems = 0; - ListBox_GetHorizontalExtent(hwnd); + m_noItems = 0; + ListBox_GetHorizontalExtent(GetHwnd()); } -void wxListBox::SetSelection(const int N, const bool select) +void wxListBox::SetSelection(int N, bool select) { - if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED)) - SendMessage(hwnd, LB_SETSEL, select, N); - else - { - int N1 = N; - if (!select) - N1 = -1; - SendMessage(hwnd, LB_SETCURSEL, N1, 0); - } + wxCHECK_RET( N >= 0 && N < m_noItems, + "invalid index in wxListBox::SetSelection" ); + + if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED)) + SendMessage(GetHwnd(), LB_SETSEL, select, N); + else + { + int N1 = N; + if (!select) + N1 = -1; + SendMessage(GetHwnd(), LB_SETCURSEL, N1, 0); + } } -bool wxListBox::Selected(const int N) const +bool wxListBox::Selected(int N) const { - return SendMessage(hwnd, LB_GETSEL, N, 0) == 0 ? FALSE : TRUE; + wxCHECK_MSG( N >= 0 && N < m_noItems, FALSE, + "invalid index in wxListBox::Selected" ); + + return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? FALSE : TRUE; } -void wxListBox::Deselect(const int N) +void wxListBox::Deselect(int N) { - if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED)) - SendMessage(hwnd, LB_SETSEL, FALSE, N); + wxCHECK_RET( N >= 0 && N < m_noItems, + "invalid index in wxListBox::Deselect" ); + + if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED)) + SendMessage(GetHwnd(), LB_SETSEL, FALSE, N); } -char *wxListBox::GetClientData(const int N) const +char *wxListBox::GetClientData(int N) const { - return (char *)SendMessage(hwnd, LB_GETITEMDATA, N, 0); + wxCHECK_MSG( N >= 0 && N < m_noItems, NULL, + "invalid index in wxListBox::GetClientData" ); + + return (char *)SendMessage(GetHwnd(), LB_GETITEMDATA, N, 0); } -void wxListBox::SetClientData(const int N, char *Client_data) +void wxListBox::SetClientData(int N, char *Client_data) { - (void)SendMessage(hwnd, LB_SETITEMDATA, N, (LONG)Client_data); -/* - if (result == LB_ERR) - return -1; - else - return 0; - */ + wxCHECK_RET( N >= 0 && N < m_noItems, + "invalid index in wxListBox::SetClientData" ); + + if ( ListBox_SetItemData(GetHwnd(), N, Client_data) == LB_ERR ) + wxLogDebug("LB_SETITEMDATA failed"); } // Return number of selections and an array of selected integers -// Use selections field to store data, which will be cleaned up -// by destructor if necessary. -int wxListBox::GetSelections(int **list_selections) const -{ - wxListBox *nonConst = (wxListBox *)this; // const is a white lie! - if (nonConst->m_selections) - { delete[] nonConst->m_selections; nonConst->m_selections = NULL; }; - if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED)) - { - int no_sel = (int)SendMessage(hwnd, LB_GETSELCOUNT, 0, 0); - if (no_sel == 0) - return 0; - nonConst->m_selections = new int[no_sel]; - SendMessage(hwnd, LB_GETSELITEMS, no_sel, (LONG)m_selections); - *list_selections = m_selections; - return no_sel; - } - else - { - int sel = (int)SendMessage(hwnd, LB_GETCURSEL, 0, 0); - if (sel == LB_ERR) - return 0; - nonConst->m_selections = new int[1]; - nonConst->m_selections[0] = sel; - *list_selections = m_selections; - return 1; - } -} +int wxListBox::GetSelections(wxArrayInt& aSelections) const +{ + aSelections.Empty(); -// Get single selection, for single choice list items -int wxListBox::GetSelection(void) const -{ - wxListBox *nonConst = (wxListBox *)this; // const is a white lie! - if (nonConst->m_selections) - { delete[] nonConst->m_selections; nonConst->m_selections = NULL; }; - if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED)) - return -1; - else - { - int sel = (int)SendMessage(hwnd, LB_GETCURSEL, 0, 0); - if (sel == LB_ERR) - return -1; - else + if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED)) + { + int no_sel = ListBox_GetSelCount(GetHwnd()); + if (no_sel != 0) { + int *selections = new int[no_sel]; + if ( ListBox_GetSelItems(GetHwnd(), no_sel, selections) == LB_ERR ) { + wxFAIL_MSG("This listbox can't have single-selection style!"); + } + + aSelections.Alloc(no_sel); + for ( int n = 0; n < no_sel; n++ ) + aSelections.Add(selections[n]); + + delete [] selections; + } + + return no_sel; + } + else // single-selection listbox { - return sel; + aSelections.Add(ListBox_GetCurSel(GetHwnd())); + + return 1; } - } +} + +// Get single selection, for single choice list items +int wxListBox::GetSelection() const +{ + wxCHECK_MSG( !(m_windowStyle & wxLB_MULTIPLE) && + !(m_windowStyle & wxLB_EXTENDED), + -1, + "GetSelection() can't be used with multiple-selection " + "listboxes, use GetSelections() instead." ); + + return ListBox_GetCurSel(GetHwnd()); } // Find string for position -wxString wxListBox::GetString(const int N) const +wxString wxListBox::GetString(int N) const { - if (N < 0 || N > m_noItems) - return wxString(""); - - int len = (int)SendMessage(hwnd, LB_GETTEXT, N, (LONG)wxBuffer); - wxBuffer[len] = 0; - return wxString(wxBuffer); + wxCHECK_MSG( N >= 0 && N < m_noItems, "", + "invalid index in wxListBox::GetClientData" ); + + int len = ListBox_GetTextLen(GetHwnd(), N); + + // +1 for terminating NUL + wxString result; + ListBox_GetText(GetHwnd(), N, result.GetWriteBuf(len + 1)); + result.UngetWriteBuf(); + + return result; } -void wxListBox::SetSize(const int x, const int y, const int width, const int height, const int sizeFlags) +void wxListBox::DoSetSize(int x, int y, int width, int height, int sizeFlags) { - int currentX, currentY; - GetPosition(¤tX, ¤tY); + int currentX, currentY; + GetPosition(¤tX, ¤tY); - int x1 = x; - int y1 = y; - int w1 = width; - int h1 = height; + int x1 = x; + int y1 = y; + int w1 = width; + int h1 = height; - if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) - x1 = currentX; - if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) - y1 = currentY; + if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) + x1 = currentX; + if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) + y1 = currentY; - // If we're prepared to use the existing size, then... - if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO)) - { - GetSize(&w1, &h1); - } + AdjustForParentClientOrigin(x1, y1, sizeFlags); - int cx; // button font dimensions - int cy; + // If we're prepared to use the existing size, then... + if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO)) + { + GetSize(&w1, &h1); + } - wxGetCharSize(GetHWND(), &cx, &cy,GetFont()); + int cx; // button font dimensions + int cy; - float control_width, control_height, control_x, control_y; + wxGetCharSize(GetHWND(), &cx, &cy, & this->GetFont()); - // Deal with default size (using -1 values) - if (w1<=0) - w1 = DEFAULT_ITEM_WIDTH; + float control_width, control_height, control_x, control_y; - if (h1<=0) - h1 = DEFAULT_ITEM_HEIGHT; + // Deal with default size (using -1 values) + if (w1<=0) + w1 = DEFAULT_ITEM_WIDTH; - control_x = (float)x1; - control_y = (float)y1; - control_width = (float)w1; - control_height = (float)h1; + if (h1<=0) + h1 = DEFAULT_ITEM_HEIGHT; - // Calculations may have made size too small - if (control_height <= 0) - control_height = (float)DEFAULT_ITEM_HEIGHT; + control_x = (float)x1; + control_y = (float)y1; + control_width = (float)w1; + control_height = (float)h1; - if (control_width <= 0) - control_width = (float)DEFAULT_ITEM_WIDTH; + // Calculations may have made size too small + if (control_height <= 0) + control_height = (float)DEFAULT_ITEM_HEIGHT; -// wxDebugMsg("About to set the listbox height to %d", (int)control_height); - MoveWindow(hwnd, (int)control_x, (int)control_y, - (int)control_width, (int)control_height, TRUE); + if (control_width <= 0) + control_width = (float)DEFAULT_ITEM_WIDTH; -/* -#if WXWIN_COMPATIBILITY - GetEventHandler()->OldOnSize(width, height); -#else - wxSizeEvent event(wxSize(width, height), m_windowId); - event.eventObject = this; - GetEventHandler()->ProcessEvent(event); -#endif -*/ + MoveWindow(GetHwnd(), + (int)control_x, (int)control_y, + (int)control_width, (int)control_height, + TRUE); } @@ -550,134 +547,131 @@ void wxListBox::SetSize(const int x, const int y, const int width, const int hei // Otherwise, all strings are used. void wxListBox::SetHorizontalExtent(const wxString& s) { - // Only necessary if we want a horizontal scrollbar - if (!(m_windowStyle & wxHSCROLL)) - return; - TEXTMETRIC lpTextMetric; - - if (s != "") - { - int existingExtent = (int)SendMessage(hwnd, LB_GETHORIZONTALEXTENT, 0, 0L); - HDC dc = GetWindowDC(hwnd); - HFONT oldFont = 0; - if (GetFont() && GetFont()->GetResourceHandle()) - oldFont = ::SelectObject(dc, (HFONT) GetFont()->GetResourceHandle()); - - GetTextMetrics(dc, &lpTextMetric); - SIZE extentXY; - ::GetTextExtentPoint(dc, (LPSTR) (const char *)s, s.Length(), &extentXY); - int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth); - - if (oldFont) - ::SelectObject(dc, oldFont); - - ReleaseDC(hwnd, dc); - if (extentX > existingExtent) - SendMessage(hwnd, LB_SETHORIZONTALEXTENT, LOWORD(extentX), 0L); - return; - } - else - { - int largestExtent = 0; - HDC dc = GetWindowDC(hwnd); - HFONT oldFont = 0; - if (GetFont() && GetFont()->GetResourceHandle()) - oldFont = ::SelectObject(dc, (HFONT) GetFont()->GetResourceHandle()); - - GetTextMetrics(dc, &lpTextMetric); - int i; - for (i = 0; i < m_noItems; i++) + // Only necessary if we want a horizontal scrollbar + if (!(m_windowStyle & wxHSCROLL)) + return; + TEXTMETRIC lpTextMetric; + + if (s != "") { - int len = (int)SendMessage(hwnd, LB_GETTEXT, i, (LONG)wxBuffer); - wxBuffer[len] = 0; - SIZE extentXY; - ::GetTextExtentPoint(dc, (LPSTR)wxBuffer, len, &extentXY); - int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth); - if (extentX > largestExtent) - largestExtent = extentX; + int existingExtent = (int)SendMessage(GetHwnd(), LB_GETHORIZONTALEXTENT, 0, 0L); + HDC dc = GetWindowDC(GetHwnd()); + HFONT oldFont = 0; + if (GetFont().Ok() && GetFont().GetResourceHandle()) + oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle()); + + GetTextMetrics(dc, &lpTextMetric); + SIZE extentXY; + ::GetTextExtentPoint(dc, (LPSTR) (const char *)s, s.Length(), &extentXY); + int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth); + + if (oldFont) + ::SelectObject(dc, oldFont); + + ReleaseDC(GetHwnd(), dc); + if (extentX > existingExtent) + SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(extentX), 0L); + return; + } + else + { + int largestExtent = 0; + HDC dc = GetWindowDC(GetHwnd()); + HFONT oldFont = 0; + if (GetFont().Ok() && GetFont().GetResourceHandle()) + oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle()); + + GetTextMetrics(dc, &lpTextMetric); + int i; + for (i = 0; i < m_noItems; i++) + { + int len = (int)SendMessage(GetHwnd(), LB_GETTEXT, i, (LONG)wxBuffer); + wxBuffer[len] = 0; + SIZE extentXY; + ::GetTextExtentPoint(dc, (LPSTR)wxBuffer, len, &extentXY); + int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth); + if (extentX > largestExtent) + largestExtent = extentX; + } + if (oldFont) + ::SelectObject(dc, oldFont); + + ReleaseDC(GetHwnd(), dc); + SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L); } - if (oldFont) - ::SelectObject(dc, oldFont); - - ReleaseDC(hwnd, dc); - SendMessage(hwnd, LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L); - } } void -wxListBox::InsertItems(const int nItems, const wxString items[], const int pos) +wxListBox::InsertItems(int nItems, const wxString items[], int pos) { - int i; - for (i = 0; i < nItems; i++) - ListBox_InsertString(hwnd, i + pos, items[i]); - m_noItems += nItems; + wxCHECK_RET( pos >= 0 && pos <= m_noItems, + "invalid index in wxListBox::InsertItems" ); - #if USE_OWNER_DRAWN - if ( m_windowStyle & wxLB_OWNERDRAW ) { - for ( i = 0; i < nItems; i++ ) { - wxOwnerDrawn *pNewItem = CreateItem((uint)(pos + i)); - pNewItem->SetName(items[i]); - m_aItems.Insert(pNewItem, (uint)(pos + i)); - ListBox_SetItemData(hwnd, i, pNewItem); - } - } - #endif + int i; + for (i = 0; i < nItems; i++) + ListBox_InsertString(GetHwnd(), i + pos, items[i]); + m_noItems += nItems; - SetHorizontalExtent(""); + SetHorizontalExtent(""); } -void wxListBox::SetString(const int N, const wxString& s) +void wxListBox::SetString(int N, const wxString& s) { - int sel = GetSelection(); - - char *oldData = (char *)wxListBox::GetClientData(N); - - SendMessage(hwnd, LB_DELETESTRING, N, 0); + wxCHECK_RET( N >= 0 && N < m_noItems, + "invalid index in wxListBox::SetString" ); + + int sel = -1; + if (!(m_windowStyle & wxLB_MULTIPLE) && !(m_windowStyle & wxLB_EXTENDED)) + sel = GetSelection(); + + char *oldData = (char *)wxListBox::GetClientData(N); - int newN = N; - if (N == (m_noItems - 1)) - newN = -1; - - SendMessage(hwnd, LB_INSERTSTRING, newN, (LPARAM) (const char *)s); - if (oldData) - wxListBox::SetClientData(N, oldData); + SendMessage(GetHwnd(), LB_DELETESTRING, N, 0); - // Selection may have changed - if (sel >= 0) - SetSelection(sel); + int newN = N; + if (N == (m_noItems - 1)) + newN = -1; -#if USE_OWNER_DRAWN - if ( m_windowStyle & wxLB_OWNERDRAW ) - // update item's text - m_aItems[N]->SetName(s); + SendMessage(GetHwnd(), LB_INSERTSTRING, newN, (LPARAM) (const char *)s); + if (oldData) + wxListBox::SetClientData(N, oldData); + + // Selection may have changed + if (sel >= 0) + SetSelection(sel); + +#if wxUSE_OWNER_DRAWN + if ( m_windowStyle & wxLB_OWNERDRAW ) + // update item's text + m_aItems[N]->SetName(s); #endif //USE_OWNER_DRAWN } -int wxListBox::Number (void) const +int wxListBox::Number () const { - return m_noItems; + return m_noItems; } // For single selection items only -wxString wxListBox::GetStringSelection (void) const +wxString wxListBox::GetStringSelection () const { - int sel = GetSelection (); - if (sel > -1) - return this->GetString (sel); - else - return wxString(""); + int sel = GetSelection (); + if (sel > -1) + return this->GetString (sel); + else + return wxString(""); } -bool wxListBox::SetStringSelection (const wxString& s, const bool flag) +bool wxListBox::SetStringSelection (const wxString& s, bool flag) { - int sel = FindString (s); - if (sel > -1) + int sel = FindString (s); + if (sel > -1) { - SetSelection (sel, flag); - return TRUE; + SetSelection (sel, flag); + return TRUE; } - else - return FALSE; + else + return FALSE; } // Is this the right thing? Won't setselection generate a command @@ -688,100 +682,49 @@ bool wxListBox::SetStringSelection (const wxString& s, const bool flag) // by the actual window system, or a separate function, ProcessCommand) void wxListBox::Command (wxCommandEvent & event) { - if (event.m_extraLong) - SetSelection (event.m_commandInt); - else + if (event.m_extraLong) + SetSelection (event.m_commandInt); + else { - Deselect (event.m_commandInt); - return; + Deselect (event.m_commandInt); + return; } - ProcessCommand (event); + ProcessCommand (event); } -WXHBRUSH wxListBox::OnCtlColor(const WXHDC pDC, const WXHWND pWnd, const WXUINT nCtlColor, - WXUINT message, WXWPARAM wParam, WXLPARAM lParam) +WXHBRUSH wxListBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, + WXUINT message, WXWPARAM wParam, WXLPARAM lParam) { -#if CTL3D - if ( m_useCtl3D ) - { - HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); - return (WXHBRUSH) hbrush; - } +#if wxUSE_CTL3D + if ( m_useCtl3D ) + { + HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); + return (WXHBRUSH) hbrush; + } #endif - if (GetParent()->GetTransparentBackground()) - SetBkMode((HDC) pDC, TRANSPARENT); - else - SetBkMode((HDC) pDC, OPAQUE); + if (GetParent()->GetTransparentBackground()) + SetBkMode((HDC) pDC, TRANSPARENT); + else + SetBkMode((HDC) pDC, OPAQUE); - ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); - ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue())); + ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); + ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue())); - wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID); + wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID); - // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush - // has a zero usage count. - backgroundBrush->RealizeResource(); - return (WXHBRUSH) backgroundBrush->GetResourceHandle(); + // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush + // has a zero usage count. + backgroundBrush->RealizeResource(); + return (WXHBRUSH) backgroundBrush->GetResourceHandle(); } long wxListBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { -/* - switch (nMsg) - { - case WM_INITDIALOG: - case WM_ACTIVATE: - case WM_SETFOCUS: - case WM_KILLFOCUS: - case WM_CREATE: - case WM_PAINT: - case WM_QUERYDRAGICON: - case WM_SIZE: - case WM_RBUTTONDOWN: - case WM_RBUTTONUP: - case WM_RBUTTONDBLCLK: - case WM_MBUTTONDOWN: - case WM_MBUTTONUP: - case WM_MBUTTONDBLCLK: - case WM_LBUTTONDOWN: - case WM_LBUTTONUP: -// case WM_LBUTTONDBLCLK: - case WM_MOUSEMOVE: - case WM_DESTROY: - case WM_COMMAND: - case WM_NOTIFY: - case WM_MENUSELECT: - case WM_INITMENUPOPUP: - case WM_DRAWITEM: - case WM_MEASUREITEM: - case WM_KEYDOWN: - case WM_KEYUP: - case WM_CHAR: // Always an ASCII character - case WM_HSCROLL: - case WM_VSCROLL: - case WM_CTLCOLORBTN: - case WM_CTLCOLORDLG: - case WM_CTLCOLORLISTBOX: - case WM_CTLCOLORMSGBOX: - case WM_CTLCOLORSCROLLBAR: - case WM_CTLCOLORSTATIC: - case WM_CTLCOLOREDIT: - case WM_SYSCOLORCHANGE: - case WM_ERASEBKGND: - case WM_MDIACTIVATE: - case WM_DROPFILES: - case WM_QUERYENDSESSION: - case WM_CLOSE: - case WM_GETMINMAXINFO: - case WM_NCHITTEST: - return MSWDefWindowProc(nMsg, wParam, lParam ); - } -*/ - return wxControl::MSWWindowProc(nMsg, wParam, lParam); + return wxControl::MSWWindowProc(nMsg, wParam, lParam); } -#if USE_OWNER_DRAWN +#if wxUSE_OWNER_DRAWN // drawing // ------- @@ -791,48 +734,50 @@ long wxListBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) #define OWNER_DRAWN_LISTBOX_EXTRA_SPACE (1) // the height is the same for all items -// ## should be changed for LBS_OWNERDRAWVARIABLE style listboxes -// NB: can't forward this to wxListBoxItem because LB_SETITEMDATA -// message is not yet sent when we get here! +// TODO should be changed for LBS_OWNERDRAWVARIABLE style listboxes + +// NB: can't forward this to wxListBoxItem because LB_SETITEMDATA +// message is not yet sent when we get here! bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item) { - // only owner-drawn control should receive this message - wxCHECK_RET( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE ); + // only owner-drawn control should receive this message + wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE ); - MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item; + MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item; - wxDC dc; - dc.SetHDC((WXHDC)CreateIC("DISPLAY", NULL, NULL, 0)); - dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT)); + wxDC dc; + dc.SetHDC((WXHDC)CreateIC("DISPLAY", NULL, NULL, 0)); + dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT)); - pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE; - pStruct->itemWidth = dc.GetCharWidth(); + pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE; + pStruct->itemWidth = dc.GetCharWidth(); - return TRUE; + return TRUE; } // forward the message to the appropriate item bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item) { - // only owner-drawn control should receive this message - wxCHECK_RET( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE ); + // only owner-drawn control should receive this message + wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE ); + + DRAWITEMSTRUCT *pStruct = (DRAWITEMSTRUCT *)item; + + long data = ListBox_GetItemData(GetHwnd(), pStruct->itemID); - DRAWITEMSTRUCT *pStruct = (DRAWITEMSTRUCT *)item; - wxListBoxItem *pItem = (wxListBoxItem *)SendMessage(hwnd, LB_GETITEMDATA, - pStruct->itemID, 0); + wxCHECK( data && (data != LB_ERR), FALSE ); - wxCHECK_RET( (int)pItem != LB_ERR, FALSE ); + wxListBoxItem *pItem = (wxListBoxItem *)data; - wxDC dc; - dc.SetHDC((WXHDC)pStruct->hDC, FALSE); - wxRect rect(pStruct->rcItem.left, pStruct->rcItem.top, - pStruct->rcItem.right - pStruct->rcItem.left, - pStruct->rcItem.bottom - pStruct->rcItem.top); + wxDC dc; + dc.SetHDC((WXHDC)pStruct->hDC, FALSE); + wxRect rect(wxPoint(pStruct->rcItem.left, pStruct->rcItem.top), + wxPoint(pStruct->rcItem.right, pStruct->rcItem.bottom)); - return pItem->OnDrawItem(dc, rect, - (wxOwnerDrawn::wxODAction)pStruct->itemAction, - (wxOwnerDrawn::wxODStatus)pStruct->itemState); + return pItem->OnDrawItem(dc, rect, + (wxOwnerDrawn::wxODAction)pStruct->itemAction, + (wxOwnerDrawn::wxODStatus)pStruct->itemState); } #endif - // USE_OWNER_DRAWN + // wxUSE_OWNER_DRAWN