X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/74052fe83bbeb7e37e98d57c88a05e8a1425c86d..ccc040255c07064f2ed96f1a345d21860b202cb6:/src/msw/combobox.cpp diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp index 71e4192405..46b1c482c1 100644 --- a/src/msw/combobox.cpp +++ b/src/msw/combobox.cpp @@ -39,8 +39,14 @@ #endif #include "wx/clipbrd.h" +#include "wx/dynlib.h" +#include "wx/wupdlock.h" #include "wx/msw/private.h" +#if wxUSE_UXTHEME + #include "wx/msw/uxtheme.h" +#endif + #if wxUSE_TOOLTIPS #include "wx/tooltip.h" #endif // wxUSE_TOOLTIPS @@ -49,69 +55,6 @@ // wxWin macros // ---------------------------------------------------------------------------- -#if wxUSE_EXTENDED_RTTI -WX_DEFINE_FLAGS( wxComboBoxStyle ) - -wxBEGIN_FLAGS( wxComboBoxStyle ) - // new style border flags, we put them first to - // use them for streaming out - 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 - 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 - 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) - - wxFLAGS_MEMBER(wxCB_SIMPLE) - wxFLAGS_MEMBER(wxCB_SORT) - wxFLAGS_MEMBER(wxCB_READONLY) - wxFLAGS_MEMBER(wxCB_DROPDOWN) - -wxEND_FLAGS( wxComboBoxStyle ) - -IMPLEMENT_DYNAMIC_CLASS_XTI(wxComboBox, wxChoice,"wx/combobox.h") - -wxBEGIN_PROPERTIES_TABLE(wxComboBox) - wxEVENT_PROPERTY( Select , wxEVT_COMMAND_COMBOBOX_SELECTED , wxCommandEvent ) - wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent ) - - // TODO DELEGATES - 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() - -wxCONSTRUCTOR_5( wxComboBox , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size ) - -#else - -IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxChoice) - -#endif - BEGIN_EVENT_TABLE(wxComboBox, wxControl) EVT_MENU(wxID_CUT, wxComboBox::OnCut) EVT_MENU(wxID_COPY, wxComboBox::OnCopy) @@ -150,6 +93,36 @@ static WNDPROC gs_wndprocEdit = (WNDPROC)NULL; // implementation // ============================================================================ +namespace +{ + +// Check if the given message should be forwarded from the edit control which +// is part of the combobox to wxComboBox itself. All messages generating the +// events that the code using wxComboBox could be interested in must be +// forwarded. +bool ShouldForwardFromEditToCombo(UINT message) +{ + switch ( message ) + { + case WM_KEYUP: + case WM_KEYDOWN: + case WM_CHAR: + case WM_SYSCHAR: + case WM_SYSKEYDOWN: + case WM_SYSKEYUP: + case WM_SETFOCUS: + case WM_KILLFOCUS: + case WM_CUT: + case WM_COPY: + case WM_PASTE: + return true; + } + + return false; +} + +} // anonymous namespace + // ---------------------------------------------------------------------------- // wnd proc for subclassed edit control // ---------------------------------------------------------------------------- @@ -162,49 +135,34 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd, HWND hwndCombo = ::GetParent(hWnd); wxWindow *win = wxFindWinFromHandle((WXHWND)hwndCombo); - switch ( message ) + if ( ShouldForwardFromEditToCombo(message) ) { - // forward some messages to the combobox to generate the appropriate - // wxEvents from them - case WM_KEYUP: - case WM_KEYDOWN: - case WM_CHAR: - case WM_SYSCHAR: - case WM_SYSKEYDOWN: - case WM_SYSKEYUP: - case WM_SETFOCUS: - case WM_KILLFOCUS: + wxComboBox *combo = wxDynamicCast(win, wxComboBox); + if ( !combo ) + { + // we can get WM_KILLFOCUS while our parent is already half + // destroyed and hence doesn't look like a combobx any + // longer, check for it to avoid bogus assert failures + if ( !win->IsBeingDeleted() ) { - wxComboBox *combo = wxDynamicCast(win, wxComboBox); - if ( !combo ) - { - // we can get WM_KILLFOCUS while our parent is already half - // destroyed and hence doesn't look like a combobx any - // longer, check for it to avoid bogus assert failures - if ( !win->IsBeingDeleted() ) - { - wxFAIL_MSG( _T("should have combo as parent") ); - } - } - else if ( combo->MSWProcessEditMsg(message, wParam, lParam) ) - { - // handled by parent - return 0; - } + wxFAIL_MSG( wxT("should have combo as parent") ); } - break; - - case WM_GETDLGCODE: - { - wxCHECK_MSG( win, 0, _T("should have a parent") ); + } + else if ( combo->MSWProcessEditMsg(message, wParam, lParam) ) + { + // handled by parent + return 0; + } + } + else if ( message == WM_GETDLGCODE ) + { + wxCHECK_MSG( win, 0, wxT("should have a parent") ); - if ( win->GetWindowStyle() & wxTE_PROCESS_ENTER ) - { - // need to return a custom dlg code or we'll never get it - return DLGC_WANTMESSAGE; - } - } - break; + if ( win->GetWindowStyle() & wxTE_PROCESS_ENTER ) + { + // need to return a custom dlg code or we'll never get it + return DLGC_WANTMESSAGE; + } } return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam); @@ -233,8 +191,23 @@ WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara long fromOld, toOld; GetSelection(&fromOld, &toOld); + + // 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(); + + // eliminate flickering during following hacks + wxWindowUpdateLocker lock(this); + WXLRESULT result = wxChoice::MSWWindowProc(nMsg, wParam, lParam); + if ( !textOld.empty() && GetValue() != textOld ) + SetLabel(textOld); + long fromNew, toNew; GetSelection(&fromNew, &toNew); @@ -277,29 +250,16 @@ bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam) return true; } } - // fall through - - 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); - - case WM_SETFOCUS: - return HandleSetFocus((WXHWND)wParam); - - case WM_KILLFOCUS: - return HandleKillFocus((WXHWND)wParam); + // fall through, WM_CHAR is one of the message we should forward. - case WM_CUT: - case WM_COPY: - case WM_PASTE: - return HandleClipboardEvent(msg); + default: + if ( ShouldForwardFromEditToCombo(msg) ) + { + // For all the messages forward from the edit control the + // result is not used. + WXLRESULT result; + return MSWHandleMessage(&result, msg, wParam, lParam); + } } return false; @@ -312,6 +272,29 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD id) switch ( param ) { + 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: + { + 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 @@ -327,7 +310,7 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD id) // 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()); + ::SetWindowText(GetHwnd(), value.t_str()); { wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, GetId()); @@ -343,6 +326,7 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD id) // logical as the text does change) case CBN_EDITCHANGE: + if ( m_allowTextEvents ) { wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); @@ -364,7 +348,7 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD id) } // skip wxChoice version as it would generate its own events for - // CBN_SELENDOK + // CBN_SELENDOK and also interfere with our handling of CBN_DROPDOWN return true; } @@ -394,6 +378,34 @@ bool wxComboBox::MSWShouldPreProcessMessage(WXMSG *pMsg) WXHWND wxComboBox::GetEditHWNDIfAvailable() const { +#if wxUSE_DYNLIB_CLASS +#if defined(WINVER) && WINVER >= 0x0500 + typedef BOOL (WINAPI *GetComboBoxInfo_t)(HWND, COMBOBOXINFO*); + static GetComboBoxInfo_t s_pfnGetComboBoxInfo = NULL; + static bool s_triedToLoad = false; + if ( !s_triedToLoad ) + { + s_triedToLoad = true; + wxLoadedDLL dllUser32("user32.dll"); + wxDL_INIT_FUNC(s_pfn, GetComboBoxInfo, dllUser32); + } + + if ( s_pfnGetComboBoxInfo ) + { + WinStruct info; + (*s_pfnGetComboBoxInfo)(GetHwnd(), &info); + return info.hwndItem; + } +#endif // WINVER >= 0x0500 +#endif // wxUSE_DYNLIB_CLASS + + if (HasFlag(wxCB_SIMPLE)) + { + POINT pt; + pt.x = pt.y = 4; + return (WXHWND) ::ChildWindowFromPoint(GetHwnd(), pt); + } + // 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 @@ -408,14 +420,22 @@ 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), - _T("read-only combobox doesn't have any edit control") ); + wxT("read-only combobox doesn't have any edit control") ); WXHWND hWndEdit = GetEditHWNDIfAvailable(); - wxASSERT_MSG( hWndEdit, _T("combobox without edit control?") ); + 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 // ---------------------------------------------------------------------------- @@ -530,6 +550,11 @@ void wxComboBox::Clear() wxTextEntry::Clear(); } +bool wxComboBox::ContainsHWND(WXHWND hWnd) const +{ + return hWnd == GetEditHWNDIfAvailable(); +} + void wxComboBox::GetSelection(long *from, long *to) const { if ( !HasFlag(wxCB_READONLY) ) @@ -581,15 +606,12 @@ void wxComboBox::OnRedo(wxCommandEvent& WXUNUSED(event)) void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event)) { - long from, to; - GetSelection(& from, & to); - if (from != -1 && to != -1) - Remove(from, to); + RemoveSelection(); } void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event)) { - SetSelection(-1, -1); + SelectAll(); } void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event) @@ -624,7 +646,7 @@ void wxComboBox::OnUpdateDelete(wxUpdateUIEvent& event) void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event) { - event.Enable(IsEditable() && GetLastPosition() > 0); + event.Enable(IsEditable() && !wxTextEntry::IsEmpty()); } #if wxUSE_TOOLTIPS @@ -634,9 +656,27 @@ void wxComboBox::DoSetToolTip(wxToolTip *tip) wxChoice::DoSetToolTip(tip); if ( tip && !HasFlag(wxCB_READONLY) ) - tip->Add(GetEditHWND()); + tip->AddOtherWindow(GetEditHWND()); } #endif // wxUSE_TOOLTIPS +#if wxUSE_UXTHEME + +bool wxComboBox::SetHint(const wxString& hintOrig) +{ + wxString hint(hintOrig); + if ( wxUxThemeEngine::GetIfActive() ) + { + // 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, " "); + } + + return wxTextEntry::SetHint(hint); +} + +#endif // wxUSE_UXTHEME + #endif // wxUSE_COMBOBOX