+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
+// ----------------------------------------------------------------------------
+
+LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
+ UINT message,
+ WPARAM wParam,
+ LPARAM lParam);
+
+// ---------------------------------------------------------------------------
+// global vars
+// ---------------------------------------------------------------------------
+
+// the pointer to standard radio button wnd proc
+static WNDPROC gs_wndprocEdit = (WNDPROC)NULL;
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wnd proc for subclassed edit control
+// ----------------------------------------------------------------------------
+
+LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
+ UINT message,
+ WPARAM wParam,
+ LPARAM lParam)
+{
+ HWND hwndCombo = ::GetParent(hWnd);
+ wxWindow *win = wxFindWinFromHandle((WXHWND)hwndCombo);
+
+ switch ( 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() )
+ {
+ 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() & wxTE_PROCESS_ENTER )
+ {
+ // need to return a custom dlg code or we'll never get it
+ return DLGC_WANTMESSAGE;
+ }
+ }
+ break;
+
+ case WM_CUT:
+ case WM_COPY:
+ case WM_PASTE:
+ if( win->HandleClipboardEvent( message ) )
+ return 0;
+ break;
+ }
+
+ return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam);
+}
+
+// ----------------------------------------------------------------------------
+// wxComboBox callbacks
+// ----------------------------------------------------------------------------
+
+WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+ // 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 )
+ {
+ 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;
+
+ long fromOld, toOld;
+ GetSelection(&fromOld, &toOld);
+ WXLRESULT result = wxChoice::MSWWindowProc(nMsg, wParam, lParam);
+
+ 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)
+{
+ switch ( msg )
+ {
+ case WM_CHAR:
+ // for compatibility with wxTextCtrl, generate a special message
+ // 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);
+
+ const int sel = GetSelection();
+ event.SetInt(sel);
+ event.SetString(GetValue());
+ 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
+
+ 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);
+ }
+
+ return false;
+}
+
+bool wxComboBox::MSWCommand(WXUINT param, WXWORD id)
+{
+ int sel = -1;
+ wxString value;
+
+ switch ( param )
+ {
+ 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.SetString(value);
+ InitCommandEventWithItems(event, sel);
+
+ ProcessCommand(event);
+ }
+
+ // 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:
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
+
+ // if sel != -1, value was already initialized above
+ if ( sel == -1 )
+ {
+ value = wxGetWindowText(GetHwnd());
+ }
+
+ event.SetString(value);
+ InitCommandEventWithItems(event, sel);
+
+ ProcessCommand(event);
+ }
+ break;
+
+ default:
+ return wxChoice::MSWCommand(param, id);
+ }
+
+ // skip wxChoice version as it would generate its own events for
+ // CBN_SELENDOK
+ return true;
+}
+
+bool wxComboBox::MSWShouldPreProcessMessage(WXMSG *pMsg)
+{
+ // 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
+{
+ // we assume that the only child of the combobox is the edit window so it's
+ // unnecessary to pass "EDIT" as class name parameter
+ return (WXHWND)::FindWindowEx(GetHwnd(), NULL, NULL, NULL);
+}
+
+WXHWND wxComboBox::GetEditHWND() const
projects / wxWidgets.git / blobdiff