X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c5ca409b6a6cc4ab503f5d81afa2f637ec609f4c..69d31e313035d5e22d9400ec946f6007f710910c:/src/msw/combobox.cpp?ds=sidebyside diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp index 00f1314ae2..8fbcce2237 100644 --- a/src/msw/combobox.cpp +++ b/src/msw/combobox.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: msw/combobox.cpp +// Name: src/msw/combobox.cpp // Purpose: wxComboBox class // Author: Julian Smart // Modified by: @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "combobox.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -30,22 +26,27 @@ #if wxUSE_COMBOBOX +#include "wx/combobox.h" + #ifndef WX_PRECOMP + #include "wx/msw/wrapcctl.h" // include "properly" #include "wx/settings.h" #include "wx/log.h" // for wxEVT_COMMAND_TEXT_ENTER #include "wx/textctrl.h" + #include "wx/app.h" + #include "wx/brush.h" #endif -#include "wx/combobox.h" -#include "wx/brush.h" #include "wx/clipbrd.h" +#include "wx/wupdlock.h" #include "wx/msw/private.h" +#if wxUSE_UXTHEME + #include "wx/msw/uxtheme.h" +#endif + #if wxUSE_TOOLTIPS - #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__) - #include - #endif #include "wx/tooltip.h" #endif // wxUSE_TOOLTIPS @@ -56,63 +57,84 @@ #if wxUSE_EXTENDED_RTTI WX_DEFINE_FLAGS( wxComboBoxStyle ) -WX_BEGIN_FLAGS( wxComboBoxStyle ) +wxBEGIN_FLAGS( wxComboBoxStyle ) // new style border flags, we put them first to // use them for streaming out - WX_FLAGS_MEMBER(wxBORDER_SIMPLE) - WX_FLAGS_MEMBER(wxBORDER_SUNKEN) - WX_FLAGS_MEMBER(wxBORDER_DOUBLE) - WX_FLAGS_MEMBER(wxBORDER_RAISED) - WX_FLAGS_MEMBER(wxBORDER_STATIC) - WX_FLAGS_MEMBER(wxBORDER_NONE) - + wxFLAGS_MEMBER(wxBORDER_SIMPLE) + wxFLAGS_MEMBER(wxBORDER_SUNKEN) + wxFLAGS_MEMBER(wxBORDER_DOUBLE) + wxFLAGS_MEMBER(wxBORDER_RAISED) + wxFLAGS_MEMBER(wxBORDER_STATIC) + wxFLAGS_MEMBER(wxBORDER_NONE) + // old style border flags - WX_FLAGS_MEMBER(wxSIMPLE_BORDER) - WX_FLAGS_MEMBER(wxSUNKEN_BORDER) - WX_FLAGS_MEMBER(wxDOUBLE_BORDER) - WX_FLAGS_MEMBER(wxRAISED_BORDER) - WX_FLAGS_MEMBER(wxSTATIC_BORDER) - WX_FLAGS_MEMBER(wxNO_BORDER) + wxFLAGS_MEMBER(wxSIMPLE_BORDER) + wxFLAGS_MEMBER(wxSUNKEN_BORDER) + wxFLAGS_MEMBER(wxDOUBLE_BORDER) + wxFLAGS_MEMBER(wxRAISED_BORDER) + wxFLAGS_MEMBER(wxSTATIC_BORDER) + wxFLAGS_MEMBER(wxBORDER) // standard window styles - WX_FLAGS_MEMBER(wxTAB_TRAVERSAL) - WX_FLAGS_MEMBER(wxCLIP_CHILDREN) - WX_FLAGS_MEMBER(wxTRANSPARENT_WINDOW) - WX_FLAGS_MEMBER(wxWANTS_CHARS) - WX_FLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE) - WX_FLAGS_MEMBER(wxALWAYS_SHOW_SB ) - WX_FLAGS_MEMBER(wxVSCROLL) - WX_FLAGS_MEMBER(wxHSCROLL) + wxFLAGS_MEMBER(wxTAB_TRAVERSAL) + wxFLAGS_MEMBER(wxCLIP_CHILDREN) + wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) + wxFLAGS_MEMBER(wxWANTS_CHARS) + wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) + wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) + wxFLAGS_MEMBER(wxVSCROLL) + wxFLAGS_MEMBER(wxHSCROLL) - WX_FLAGS_MEMBER(wxCB_SIMPLE) - WX_FLAGS_MEMBER(wxCB_SORT) - WX_FLAGS_MEMBER(wxCB_READONLY) - WX_FLAGS_MEMBER(wxCB_DROPDOWN) + wxFLAGS_MEMBER(wxCB_SIMPLE) + wxFLAGS_MEMBER(wxCB_SORT) + wxFLAGS_MEMBER(wxCB_READONLY) + wxFLAGS_MEMBER(wxCB_DROPDOWN) -WX_END_FLAGS( wxComboBoxStyle ) +wxEND_FLAGS( wxComboBoxStyle ) -IMPLEMENT_DYNAMIC_CLASS_XTI(wxComboBox, wxControl,"wx/combobox.h") +IMPLEMENT_DYNAMIC_CLASS_XTI(wxComboBox, wxChoice,"wx/combobox.h") -WX_BEGIN_PROPERTIES_TABLE(wxComboBox) - WX_DELEGATE( OnSelect , wxEVT_COMMAND_COMBOBOX_SELECTED , wxCommandEvent ) - WX_DELEGATE( OnTextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent ) +wxBEGIN_PROPERTIES_TABLE(wxComboBox) + wxEVENT_PROPERTY( Select , wxEVT_COMMAND_COMBOBOX_SELECTED , wxCommandEvent ) + wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent ) // TODO DELEGATES - WX_PROPERTY( Font , wxFont , SetFont , GetFont , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) - WX_PROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) - WX_PROPERTY( Value ,wxString, SetValue, GetValue, , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) - WX_PROPERTY( Selection ,int, SetSelection, GetSelection, , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) - WX_PROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style -WX_END_PROPERTIES_TABLE() + wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY( Value ,wxString, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style +wxEND_PROPERTIES_TABLE() + +wxBEGIN_HANDLERS_TABLE(wxComboBox) +wxEND_HANDLERS_TABLE() -WX_BEGIN_HANDLERS_TABLE(wxComboBox) -WX_END_HANDLERS_TABLE() +wxCONSTRUCTOR_5( wxComboBox , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size ) -WX_CONSTRUCTOR_5( wxComboBox , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size ) #else -IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl) + +IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxChoice) + #endif +BEGIN_EVENT_TABLE(wxComboBox, wxControl) + EVT_MENU(wxID_CUT, wxComboBox::OnCut) + EVT_MENU(wxID_COPY, wxComboBox::OnCopy) + EVT_MENU(wxID_PASTE, wxComboBox::OnPaste) + EVT_MENU(wxID_UNDO, wxComboBox::OnUndo) + EVT_MENU(wxID_REDO, wxComboBox::OnRedo) + EVT_MENU(wxID_CLEAR, wxComboBox::OnDelete) + EVT_MENU(wxID_SELECTALL, wxComboBox::OnSelectAll) + + EVT_UPDATE_UI(wxID_CUT, wxComboBox::OnUpdateCut) + EVT_UPDATE_UI(wxID_COPY, wxComboBox::OnUpdateCopy) + EVT_UPDATE_UI(wxID_PASTE, wxComboBox::OnUpdatePaste) + EVT_UPDATE_UI(wxID_UNDO, wxComboBox::OnUpdateUndo) + EVT_UPDATE_UI(wxID_REDO, wxComboBox::OnUpdateRedo) + EVT_UPDATE_UI(wxID_CLEAR, wxComboBox::OnUpdateDelete) + EVT_UPDATE_UI(wxID_SELECTALL, wxComboBox::OnUpdateSelectAll) +END_EVENT_TABLE() + // ---------------------------------------------------------------------------- // function prototypes // ---------------------------------------------------------------------------- @@ -127,7 +149,7 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd, // --------------------------------------------------------------------------- // the pointer to standard radio button wnd proc -static WXFARPROC gs_wndprocEdit = (WXFARPROC)NULL; +static WNDPROC gs_wndprocEdit = (WNDPROC)NULL; // ============================================================================ // implementation @@ -152,6 +174,9 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd, case WM_KEYUP: case WM_KEYDOWN: case WM_CHAR: + case WM_SYSCHAR: + case WM_SYSKEYDOWN: + case WM_SYSKEYUP: case WM_SETFOCUS: case WM_KILLFOCUS: { @@ -163,7 +188,7 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd, // longer, check for it to avoid bogus assert failures if ( !win->IsBeingDeleted() ) { - wxFAIL_MSG( _T("should have combo as parent") ); + wxFAIL_MSG( wxT("should have combo as parent") ); } } else if ( combo->MSWProcessEditMsg(message, wParam, lParam) ) @@ -176,66 +201,74 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd, case WM_GETDLGCODE: { - wxCHECK_MSG( win, 0, _T("should have a parent") ); + wxCHECK_MSG( win, 0, wxT("should have a parent") ); - if ( win->GetWindowStyle() & wxPROCESS_ENTER ) + if ( win->GetWindowStyle() & wxTE_PROCESS_ENTER ) { // need to return a custom dlg code or we'll never get it return DLGC_WANTMESSAGE; } } break; - - // deal with tooltips here -#if wxUSE_TOOLTIPS && defined(TTN_NEEDTEXT) - case WM_NOTIFY: - { - wxCHECK_MSG( win, 0, _T("should have a parent") ); - - NMHDR* hdr = (NMHDR *)lParam; - if ( hdr->code == TTN_NEEDTEXT ) - { - wxToolTip *tooltip = win->GetToolTip(); - if ( tooltip ) - { - TOOLTIPTEXT *ttt = (TOOLTIPTEXT *)lParam; - ttt->lpszText = (wxChar *)tooltip->GetTip().c_str(); - } - - // processed - return 0; - } - } - break; -#endif // wxUSE_TOOLTIPS } return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam); } -WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor), - WXUINT WXUNUSED(message), - WXWPARAM WXUNUSED(wParam), - WXLPARAM WXUNUSED(lParam) - ) +// ---------------------------------------------------------------------------- +// wxComboBox callbacks +// ---------------------------------------------------------------------------- + +WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { - HDC hdc = (HDC)pDC; - wxColour colBack = GetBackgroundColour(); + // TODO: handle WM_CTLCOLOR messages from our EDIT control to be able to + // set its colour correctly (to be the same as our own one) - if (!IsEnabled()) - colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE); + switch ( nMsg ) + { + case WM_SIZE: + // wxStaticBox can generate this message, when modifying the control's style. + // This causes the content of the combobox to be selected, for some reason. + case WM_STYLECHANGED: + { + // combobox selection sometimes spontaneously changes when its + // size changes, restore it to the old value if necessary + if ( !GetEditHWNDIfAvailable() ) + break; - ::SetBkColor(hdc, wxColourToRGB(colBack)); - ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); + long fromOld, toOld; + GetSelection(&fromOld, &toOld); - wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID); + // if an editable combobox has a not empty text not from the + // list, it tries to autocomplete it from the list when it is + // resized, but we don't want this to happen as it doesn't seem + // to make any sense, so we forcefully restore the old text + wxString textOld; + if ( !HasFlag(wxCB_READONLY) && GetCurrentSelection() == -1 ) + textOld = GetValue(); - return (WXHBRUSH)brush->GetResourceHandle(); -} + // eliminate flickering during following hacks + wxWindowUpdateLocker lock(this); -// ---------------------------------------------------------------------------- -// wxComboBox -// ---------------------------------------------------------------------------- + WXLRESULT result = wxChoice::MSWWindowProc(nMsg, wParam, lParam); + + if ( !textOld.empty() && GetValue() != textOld ) + SetLabel(textOld); + + long fromNew, toNew; + GetSelection(&fromNew, &toNew); + + if ( fromOld != fromNew || toOld != toNew ) + { + SetSelection(fromOld, toOld); + } + + return result; + } + } + + return wxChoice::MSWWindowProc(nMsg, wParam, lParam); +} bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam) { @@ -246,18 +279,34 @@ bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam) // when Enter is pressed if ( wParam == VK_RETURN ) { + if (SendMessage(GetHwnd(), CB_GETDROPPEDSTATE, 0, 0)) + return false; + wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); - InitCommandEvent(event); + + const int sel = GetSelection(); + event.SetInt(sel); event.SetString(GetValue()); - event.SetInt(GetSelection()); - ProcessCommand(event); + InitCommandEventWithItems(event, sel); + + if ( ProcessCommand(event) ) + { + // don't let the event through to the native control + // because it doesn't need it and may generate an annoying + // beep if it gets it + return true; + } } + // fall through - return HandleChar(wParam, lParam, TRUE /* isASCII */); + case WM_SYSCHAR: + return HandleChar(wParam, lParam, true /* isASCII */); + case WM_SYSKEYDOWN: case WM_KEYDOWN: return HandleKeyDown(wParam, lParam); + case WM_SYSKEYUP: case WM_KEYUP: return HandleKeyUp(wParam, lParam); @@ -266,87 +315,163 @@ bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam) case WM_KILLFOCUS: return HandleKillFocus((WXHWND)wParam); + + case WM_CUT: + case WM_COPY: + case WM_PASTE: + return HandleClipboardEvent(msg); } - return FALSE; + return false; } -bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) +bool wxComboBox::MSWCommand(WXUINT param, WXWORD id) { - wxString value; int sel = -1; + wxString value; + switch ( param ) { - case CBN_SELCHANGE: - sel = GetSelection(); - if ( sel > -1 ) + case CBN_DROPDOWN: + // remember the last selection, just as wxChoice does + m_lastAcceptedSelection = GetCurrentSelection(); + if ( m_lastAcceptedSelection == -1 ) + { + // but unlike with wxChoice we may have no selection but still + // have some text and we should avoid erasing it if the drop + // down is cancelled (see #8474) + m_lastAcceptedSelection = wxID_NONE; + } + { + wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_DROPDOWN, GetId()); + event.SetEventObject(this); + ProcessCommand(event); + } + break; + case CBN_CLOSEUP: { - value = GetString(sel); + wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_CLOSEUP, GetId()); + event.SetEventObject(this); + ProcessCommand(event); + } + break; + case CBN_SELENDOK: +#ifndef __SMARTPHONE__ + // we need to reset this to prevent the selection from being undone + // by wxChoice, see wxChoice::MSWCommand() and comments there + m_lastAcceptedSelection = wxID_NONE; +#endif + + // set these variables so that they could be also fixed in + // CBN_EDITCHANGE below + sel = GetSelection(); + value = GetStringSelection(); + // this string is going to become the new combobox value soon but + // we need it to be done right now, otherwise the event handler + // could get a wrong value when it calls our GetValue() + ::SetWindowText(GetHwnd(), value.wx_str()); + + { wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, GetId()); event.SetInt(sel); - event.SetEventObject(this); event.SetString(value); + InitCommandEventWithItems(event, sel); + ProcessCommand(event); } - else - { - break; - } // fall through: for compability with wxGTK, also send the text // update event when the selection changes (this also seems more // logical as the text does change) case CBN_EDITCHANGE: + if ( m_allowTextEvents ) { wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); - // if sel != -1, value was initialized above (and we can't use - // GetValue() here as it would return the old selection and we - // want the new one) + // if sel != -1, value was already initialized above if ( sel == -1 ) { - value = GetValue(); - } - else // we're synthesizing text updated event from sel change - { - // we need to do this because the user code expects - // wxComboBox::GetValue() to return the new value from - // "text updated" handler but it hadn't been updated yet - SetValue(value); + value = wxGetWindowText(GetHwnd()); } event.SetString(value); - event.SetEventObject(this); + InitCommandEventWithItems(event, sel); + ProcessCommand(event); } break; + + default: + return wxChoice::MSWCommand(param, id); } - // there is no return value for the CBN_ notifications, so always return - // FALSE from here to pass the message to DefWindowProc() - return FALSE; + // skip wxChoice version as it would generate its own events for + // CBN_SELENDOK and also interfere with our handling of CBN_DROPDOWN + return true; } -WXHWND wxComboBox::GetEditHWND() const +bool wxComboBox::MSWShouldPreProcessMessage(WXMSG *pMsg) { - // this function should not be called for wxCB_READONLY controls, it is - // the callers responsability to check this - wxASSERT_MSG( !(GetWindowStyle() & wxCB_READONLY), - _T("read-only combobox doesn't have any edit control") ); - - POINT pt; - pt.x = pt.y = 4; - HWND hwndEdit = ::ChildWindowFromPoint(GetHwnd(), pt); - if ( !hwndEdit || hwndEdit == GetHwnd() ) + // prevent command accelerators from stealing editing + // hotkeys when we have the focus + if (wxIsCtrlDown()) { - wxFAIL_MSG(_T("not read only combobox without edit control?")); + WPARAM vkey = pMsg->wParam; + + switch (vkey) + { + case 'C': + case 'V': + case 'X': + case VK_INSERT: + case VK_DELETE: + case VK_HOME: + case VK_END: + return false; + } } - return (WXHWND)hwndEdit; + return wxChoice::MSWShouldPreProcessMessage(pMsg); } +WXHWND wxComboBox::GetEditHWNDIfAvailable() const +{ + // notice that a slightly safer alternative could be to use FindWindowEx() + // but it's not available under WinCE so just take the first child for now + // to keep one version of the code for all platforms and fix it later if + // problems are discovered + + // we assume that the only child of the combobox is the edit window + return (WXHWND)::GetWindow(GetHwnd(), GW_CHILD); +} + +WXHWND wxComboBox::GetEditHWND() const +{ + // this function should not be called for wxCB_READONLY controls, it is + // the callers responsibility to check this + wxASSERT_MSG( !HasFlag(wxCB_READONLY), + wxT("read-only combobox doesn't have any edit control") ); + + WXHWND hWndEdit = GetEditHWNDIfAvailable(); + wxASSERT_MSG( hWndEdit, wxT("combobox without edit control?") ); + + return hWndEdit; +} + +wxWindow *wxComboBox::GetEditableWindow() +{ + wxASSERT_MSG( !HasFlag(wxCB_READONLY), + wxT("read-only combobox doesn't have any edit control") ); + + return this; +} + +// ---------------------------------------------------------------------------- +// wxComboBox creation +// ---------------------------------------------------------------------------- + bool wxComboBox::Create(wxWindow *parent, wxWindowID id, const wxString& value, const wxPoint& pos, @@ -359,15 +484,62 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id, // pretend that wxComboBox is hidden while it is positioned and resized and // show it only right before leaving this method because otherwise there is // some noticeable flicker while the control rearranges itself - m_isShown = FALSE; + m_isShown = false; + + if ( !CreateAndInit(parent, id, pos, size, n, choices, style, + validator, name) ) + return false; + + // we shouldn't call SetValue() for an empty string because this would + // (correctly) result in an assert with a read only combobox and is useless + // for the other ones anyhow + if ( !value.empty() ) + SetValue(value); + + // a (not read only) combobox is, in fact, 2 controls: the combobox itself + // and an edit control inside it and if we want to catch events from this + // edit control, we must subclass it as well + if ( !(style & wxCB_READONLY) ) + { + gs_wndprocEdit = wxSetWindowProc((HWND)GetEditHWND(), wxComboEditWndProc); + } - // first create wxWin object - if ( !CreateControl(parent, id, pos, size, style, validator, name) ) - return FALSE; + // and finally, show the control + Show(true); + + return true; +} + +bool wxComboBox::Create(wxWindow *parent, wxWindowID id, + const wxString& value, + const wxPoint& pos, + const wxSize& size, + const wxArrayString& choices, + long style, + const wxValidator& validator, + const wxString& name) +{ + wxCArrayString chs(choices); + return Create(parent, id, value, pos, size, chs.GetCount(), + chs.GetStrings(), style, validator, name); +} + +WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + // we never have an external border + WXDWORD msStyle = wxChoice::MSWGetStyle + ( + (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle + ); + + // usually WS_TABSTOP is added by wxControl::MSWGetStyle() but as we're + // created hidden (see Create() above), it is not done for us but we still + // want to have this style + msStyle |= WS_TABSTOP; + + // remove the style always added by wxChoice + msStyle &= ~CBS_DROPDOWNLIST; - // get the right style - long msStyle = WS_TABSTOP | WS_VSCROLL | WS_HSCROLL | - CBS_AUTOHSCROLL | CBS_NOINTEGRALHEIGHT /* | WS_CLIPSIBLINGS */; if ( style & wxCB_READONLY ) msStyle |= CBS_DROPDOWNLIST; #ifndef __WXWINCE__ @@ -377,181 +549,161 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id, else msStyle |= CBS_DROPDOWN; - if ( style & wxCB_SORT ) - msStyle |= CBS_SORT; + // there is no reason to not always use CBS_AUTOHSCROLL, so do use it + msStyle |= CBS_AUTOHSCROLL; - if ( style & wxCLIP_SIBLINGS ) - msStyle |= WS_CLIPSIBLINGS; + // NB: we used to also add CBS_NOINTEGRALHEIGHT here but why? + return msStyle; +} - // and now create the MSW control - if ( !MSWCreateControl(_T("COMBOBOX"), msStyle) ) - return FALSE; +// ---------------------------------------------------------------------------- +// wxComboBox text control-like methods +// ---------------------------------------------------------------------------- - // A choice/combobox normally has a white background (or other, depending - // on global settings) rather than inheriting the parent's background colour. - SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); +wxString wxComboBox::GetValue() const +{ + return HasFlag(wxCB_READONLY) ? GetStringSelection() + : wxTextEntry::GetValue(); +} - for ( int i = 0; i < n; i++ ) - { - Append(choices[i]); - } +void wxComboBox::SetValue(const wxString& value) +{ + if ( HasFlag(wxCB_READONLY) ) + SetStringSelection(value); + else + wxTextEntry::SetValue(value); +} - if ( !value.IsEmpty() ) +void wxComboBox::Clear() +{ + wxChoice::Clear(); + if ( !HasFlag(wxCB_READONLY) ) + wxTextEntry::Clear(); +} + +void wxComboBox::GetSelection(long *from, long *to) const +{ + if ( !HasFlag(wxCB_READONLY) ) { - SetValue(value); + wxTextEntry::GetSelection(from, to); } - - // do this after appending the values to the combobox so that autosizing - // works correctly - SetSize(pos.x, pos.y, size.x, size.y); - - // a (not read only) combobox is, in fact, 2 controls: the combobox itself - // and an edit control inside it and if we want to catch events from this - // edit control, we must subclass it as well - if ( !(style & wxCB_READONLY) ) + else // text selection doesn't make sense for read only comboboxes { - gs_wndprocEdit = (WXFARPROC)::SetWindowLong - ( - (HWND)GetEditHWND(), - GWL_WNDPROC, - (LPARAM)wxComboEditWndProc - ); + if ( from ) + *from = -1; + if ( to ) + *to = -1; } - - // and finally, show the control - Show(TRUE); - - return TRUE; } -void wxComboBox::SetValue(const wxString& value) +bool wxComboBox::IsEditable() const { - if ( HasFlag(wxCB_READONLY) ) - SetStringSelection(value); - else - SetWindowText(GetHwnd(), value.c_str()); + return !HasFlag(wxCB_READONLY) && wxTextEntry::IsEditable(); } -// Clipboard operations -void wxComboBox::Copy() +// ---------------------------------------------------------------------------- +// standard event handling +// ---------------------------------------------------------------------------- + +void wxComboBox::OnCut(wxCommandEvent& WXUNUSED(event)) { - SendMessage(GetHwnd(), WM_COPY, 0, 0L); + Cut(); } -void wxComboBox::Cut() +void wxComboBox::OnCopy(wxCommandEvent& WXUNUSED(event)) { - SendMessage(GetHwnd(), WM_CUT, 0, 0L); + Copy(); } -void wxComboBox::Paste() +void wxComboBox::OnPaste(wxCommandEvent& WXUNUSED(event)) { - SendMessage(GetHwnd(), WM_PASTE, 0, 0L); + Paste(); } -void wxComboBox::SetEditable(bool WXUNUSED(editable)) +void wxComboBox::OnUndo(wxCommandEvent& WXUNUSED(event)) { - // Can't implement in MSW? -// HWND hWnd = GetHwnd(); -// SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L); + Undo(); } -void wxComboBox::SetInsertionPoint(long pos) +void wxComboBox::OnRedo(wxCommandEvent& WXUNUSED(event)) { - if ( GetWindowStyle() & wxCB_READONLY ) - return; + Redo(); +} -#ifdef __WIN32__ - HWND hWnd = GetHwnd(); - ::SendMessage(hWnd, CB_SETEDITSEL, 0, MAKELPARAM(pos, pos)); - HWND hEditWnd = (HWND) GetEditHWND() ; - if ( hEditWnd ) - { - // Scroll insertion point into view - SendMessage(hEditWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); - // Why is this necessary? (Copied from wxTextCtrl::SetInsertionPoint) - SendMessage(hEditWnd, EM_REPLACESEL, 0, (LPARAM) wxEmptyString); - } -#endif // __WIN32__ +void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event)) +{ + RemoveSelection(); } -void wxComboBox::SetInsertionPointEnd() +void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event)) { - // setting insertion point doesn't make sense for read only comboboxes - if ( !(GetWindowStyle() & wxCB_READONLY) ) - { - long pos = GetLastPosition(); - SetInsertionPoint(pos); - } + SelectAll(); } -long wxComboBox::GetInsertionPoint() const +void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event) { -#ifdef __WIN32__ - DWORD Pos=(DWORD)SendMessage(GetHwnd(), CB_GETEDITSEL, 0, 0L); - return Pos&0xFFFF; -#else - return 0; -#endif + event.Enable( CanCut() ); } -long wxComboBox::GetLastPosition() const +void wxComboBox::OnUpdateCopy(wxUpdateUIEvent& event) { - HWND hEditWnd = (HWND) GetEditHWND(); + event.Enable( CanCopy() ); +} - // Get number of characters in the last (only) line. We'll add this to the character - // index for the last line, 1st position. - int lineLength = (int)SendMessage(hEditWnd, EM_LINELENGTH, (WPARAM) 0, (LPARAM)0L); +void wxComboBox::OnUpdatePaste(wxUpdateUIEvent& event) +{ + event.Enable( CanPaste() ); +} - return (long)(lineLength); +void wxComboBox::OnUpdateUndo(wxUpdateUIEvent& event) +{ + event.Enable( IsEditable() && CanUndo() ); } -void wxComboBox::Replace(long from, long to, const wxString& value) +void wxComboBox::OnUpdateRedo(wxUpdateUIEvent& event) { -#if wxUSE_CLIPBOARD - Remove(from, to); + event.Enable( IsEditable() && CanRedo() ); +} - // Now replace with 'value', by pasting. - wxSetClipboardData(wxDF_TEXT, (wxObject *)(const wxChar *)value, 0, 0); +void wxComboBox::OnUpdateDelete(wxUpdateUIEvent& event) +{ + event.Enable(IsEditable() && HasSelection()); +} - // Paste into edit control - SendMessage(GetHwnd(), WM_PASTE, (WPARAM)0, (LPARAM)0L); -#endif +void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event) +{ + event.Enable(IsEditable() && !wxTextEntry::IsEmpty()); } -void wxComboBox::Remove(long from, long to) +#if wxUSE_TOOLTIPS + +void wxComboBox::DoSetToolTip(wxToolTip *tip) { - // Set selection and remove it - SetSelection(from, to); - SendMessage(GetHwnd(), WM_CUT, (WPARAM)0, (LPARAM)0); + wxChoice::DoSetToolTip(tip); + + if ( tip && !HasFlag(wxCB_READONLY) ) + tip->Add(GetEditHWND()); } -void wxComboBox::SetSelection(long from, long to) +#endif // wxUSE_TOOLTIPS + +#if wxUSE_UXTHEME + +bool wxComboBox::SetHint(const wxString& hintOrig) { - HWND hWnd = GetHwnd(); - long fromChar = from; - long toChar = to; - // if from and to are both -1, it means - // (in wxWindows) that all text should be selected. - // This translates into Windows convention - if ((from == -1) && (to == -1)) + wxString hint(hintOrig); + if ( wxUxThemeEngine::GetIfActive() ) { - fromChar = 0; - toChar = -1; + // under XP (but not Vista) there is a bug in cue banners + // implementation for combobox edit control: the first character is + // partially chopped off, so prepend a space to make it fully visible + hint.insert(0, " "); } - if ( -#ifdef __WIN32__ - SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)) -#else // Win16 - SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar) -#endif - == CB_ERR ) - { - wxLogDebug(_T("CB_SETEDITSEL failed")); - } + return wxTextEntry::SetHint(hint); } -#endif - // wxUSE_COMBOBOX +#endif // wxUSE_UXTHEME +#endif // wxUSE_COMBOBOX