X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6c9a19aabab3a878b565e6c2a5f2a3824277c4dc..43f4e852a1b2ac37c3db6a2b87315192ac549191:/src/msw/combobox.cpp diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp index a2a49d7f78..b823cc5899 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 // ---------------------------------------------------------------------------- -#ifdef __GNUG__ -#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 @@ -53,7 +54,23 @@ // wxWin macros // ---------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl) +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 @@ -69,12 +86,42 @@ 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 // ============================================================================ +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 // ---------------------------------------------------------------------------- @@ -87,116 +134,93 @@ 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_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; - } - } - break; - - case WM_GETDLGCODE: - { - wxCHECK_MSG( win, 0, _T("should have a parent") ); - - if ( win->GetWindowStyle() & wxPROCESS_ENTER ) - { - // need to return a custom dlg code or we'll never get it - return DLGC_WANTMESSAGE; - } + wxFAIL_MSG( wxT("should have combo as parent") ); } - break; - - // deal with tooltips here -#if wxUSE_TOOLTIPS && defined(TTN_NEEDTEXT) - case WM_NOTIFY: - { - 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") ); - 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 + 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); } -WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor), -#if wxUSE_CTL3D - WXUINT message, - WXWPARAM wParam, - WXLPARAM lParam -#else - WXUINT WXUNUSED(message), - WXWPARAM WXUNUSED(wParam), - WXLPARAM WXUNUSED(lParam) -#endif - ) +// ---------------------------------------------------------------------------- +// wxComboBox callbacks +// ---------------------------------------------------------------------------- + +WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { -#if wxUSE_CTL3D - if ( m_useCtl3D ) + // 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) + + switch ( nMsg ) { - HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); - return (WXHBRUSH) hbrush; - } -#endif // wxUSE_CTL3D + 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; - HDC hdc = (HDC)pDC; - if (GetParent()->GetTransparentBackground()) - SetBkMode(hdc, TRANSPARENT); - else - SetBkMode(hdc, OPAQUE); + long fromOld, toOld; + GetSelection(&fromOld, &toOld); - wxColour colBack = GetBackgroundColour(); + // 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(); - if (!IsEnabled()) - colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE); + // eliminate flickering during following hacks + wxWindowUpdateLocker lock(this); - ::SetBkColor(hdc, wxColourToRGB(colBack)); - ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); + WXLRESULT result = wxChoice::MSWWindowProc(nMsg, wParam, lParam); - wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID); + if ( !textOld.empty() && GetValue() != textOld ) + SetLabel(textOld); - return (WXHBRUSH)brush->GetResourceHandle(); -} + long fromNew, toNew; + GetSelection(&fromNew, &toNew); -// ---------------------------------------------------------------------------- -// wxComboBox -// ---------------------------------------------------------------------------- + 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) { @@ -207,107 +231,195 @@ bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam) // when Enter is pressed if ( wParam == VK_RETURN ) { - wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); - InitCommandEvent(event); - event.SetString(GetValue()); - event.SetInt(GetSelection()); - ProcessCommand(event); - } - - return HandleChar(wParam, lParam, TRUE /* isASCII */); + if (SendMessage(GetHwnd(), CB_GETDROPPEDSTATE, 0, 0)) + return false; - case WM_KEYDOWN: - return HandleKeyDown(wParam, lParam); + wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); - case WM_KEYUP: - return HandleKeyUp(wParam, lParam); + const int sel = GetSelection(); + event.SetInt(sel); + event.SetString(GetValue()); + InitCommandEventWithItems(event, sel); - case WM_SETFOCUS: - return HandleSetFocus((WXHWND)wParam); + 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, WM_CHAR is one of the message we should forward. - case WM_KILLFOCUS: - return HandleKillFocus((WXHWND)wParam); + 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; + 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(); { - value = GetString(sel); - - wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, GetId()); - event.SetInt(sel); + wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_DROPDOWN, GetId()); event.SetEventObject(this); - event.SetString(value); ProcessCommand(event); } - else + break; + + case CBN_CLOSEUP: + // Do the same thing as in wxChoice but using different event type. + if ( m_pendingSelection != wxID_NONE ) + { + SendSelectionChangedEvent(wxEVT_COMMAND_COMBOBOX_SELECTED); + m_pendingSelection = wxID_NONE; + } { - break; + 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 - // fall through: for compability with wxGTK, also send the text + // 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.t_str()); + + SendSelectionChangedEvent(wxEVT_COMMAND_COMBOBOX_SELECTED); + + // fall through: for compatibility 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()) + { + 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 wxChoice::MSWShouldPreProcessMessage(pMsg); +} + +WXHWND wxComboBox::GetEditHWNDIfAvailable() const +{ + // FIXME-VC6: Only VC6 needs this guard, see WINVER definition in + // include/wx/msw/wrapwin.h +#if defined(WINVER) && WINVER >= 0x0500 + WinStruct info; + if ( MSWGetComboBoxInfo(&info) ) + return info.hwndItem; +#endif // WINVER >= 0x0500 + + if (HasFlag(wxCB_SIMPLE)) { - wxFAIL_MSG(_T("not read only combobox without edit control?")); + POINT pt; + pt.x = pt.y = 4; + return (WXHWND) ::ChildWindowFromPoint(GetHwnd(), pt); } - return (WXHWND)hwndEdit; + // 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, @@ -320,197 +432,247 @@ 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__ else if ( style & wxCB_SIMPLE ) msStyle |= CBS_SIMPLE; // A list (shown always) and edit control +#endif 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() ) - { - SetValue(value); - } +void wxComboBox::Clear() +{ + wxChoice::Clear(); + if ( !HasFlag(wxCB_READONLY) ) + wxTextEntry::Clear(); +} - // do this after appending the values to the combobox so that autosizing - // works correctly - SetSize(pos.x, pos.y, size.x, size.y); +bool wxComboBox::ContainsHWND(WXHWND hWnd) const +{ + return hWnd == GetEditHWNDIfAvailable(); +} - // 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) ) +void wxComboBox::GetSelection(long *from, long *to) const +{ + if ( !HasFlag(wxCB_READONLY) ) { - gs_wndprocEdit = (WXFARPROC)::SetWindowLong - ( - (HWND)GetEditHWND(), - GWL_WNDPROC, - (LPARAM)wxComboEditWndProc - ); + wxTextEntry::GetSelection(from, to); + } + else // text selection doesn't make sense for read only comboboxes + { + 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)_T("")); - } -#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->AddOtherWindow(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 ) + return wxTextEntry::SetHint(hint); +} + +#endif // wxUSE_UXTHEME + +wxSize wxComboBox::DoGetSizeFromTextSize(int xlen, int ylen) const +{ + wxSize tsize( wxChoice::DoGetSizeFromTextSize(xlen, ylen) ); + + if ( !HasFlag(wxCB_READONLY) ) { - wxLogDebug(_T("CB_SETEDITSEL failed")); + // Add the margins we have previously set + wxPoint marg( GetMargins() ); + marg.x = wxMax(0, marg.x); + marg.y = wxMax(0, marg.y); + tsize.IncBy( marg ); } -} -#endif - // wxUSE_COMBOBOX + return tsize; +} +#endif // wxUSE_COMBOBOX