- // By default, load the first file into the text window.
- if (event.GetNumberOfFiles() > 0)
- {
- LoadFile(event.GetFiles()[0]);
- }
-}
-
-// The streambuf code was partly taken from chapter 3 by Jerry Schwarz of
-// AT&T's "C++ Lanuage System Release 3.0 Library Manual" - Stein Somers
-
-//=========================================================================
-// Called then the buffer is full (gcc 2.6.3)
-// or when "endl" is output (Borland 4.5)
-//=========================================================================
-// Class declaration using multiple inheritance doesn't work properly for
-// Borland. See note in wb_text.h.
-#ifndef NO_TEXT_WINDOW_STREAM
-int wxTextCtrl::overflow(int c)
-{
- // Make sure there is a holding area
- // this is not needed in <iostream> usage as it automagically allocates
- // it, but does someone want to emulate it for safety's sake?
-#if wxUSE_IOSTREAMH
- if ( allocate()==EOF )
- {
- wxError("Streambuf allocation failed","Internal error");
- return EOF;
- }
-#endif
-
- // Verify that there are no characters in get area
- if ( gptr() && gptr() < egptr() )
- {
- wxError("Who's trespassing my get area?","Internal error");
- return EOF;
- }
-
- // Reset get area
- setg(0,0,0);
-
- // Make sure there is a put area
- if ( ! pptr() )
- {
-/* This doesn't seem to be fatal so comment out error message */
-// wxError("Put area not opened","Internal error");
-
-#if wxUSE_IOSTREAMH
- setp( base(), base() );
-#else
- setp( pbase(), pbase() );
-#endif
- }
-
- // Determine how many characters have been inserted but no consumed
- int plen = pptr() - pbase();
-
- // Now Jerry relies on the fact that the buffer is at least 2 chars
- // long, but the holding area "may be as small as 1" ???
- // And we need an additional \0, so let's keep this inefficient but
- // safe copy.
-
- // If c!=EOF, it is a character that must also be comsumed
- int xtra = c==EOF? 0 : 1;
-
- // Write temporary C-string to wxTextWindow
- {
- char *txt = new char[plen+xtra+1];
- memcpy(txt, pbase(), plen);
- txt[plen] = (char)c; // append c
- txt[plen+xtra] = '\0'; // append '\0' or overwrite c
- // If the put area already contained \0, output will be truncated there
- WriteText(txt);
- delete[] txt;
- }
-
- // Reset put area
- setp(pbase(), epptr());
-
-#if defined(__WATCOMC__)
- return __NOT_EOF;
-#elif defined(zapeof) // HP-UX (all cfront based?)
- return zapeof(c);
+ // By default, load the first file into the text window.
+ if (event.GetNumberOfFiles() > 0)
+ {
+ LoadFile(event.GetFiles()[0]);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// kbd input processing
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg)
+{
+ MSG *msg = (MSG *)pMsg;
+
+ // check for our special keys here: if we don't do it and the parent frame
+ // uses them as accelerators, they wouldn't work at all, so we disable
+ // usual preprocessing for them
+ if ( msg->message == WM_KEYDOWN )
+ {
+ WORD vkey = (WORD) msg->wParam;
+ if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
+ {
+ if ( vkey == VK_BACK )
+ return FALSE;
+ }
+ else // no Alt
+ {
+ if ( wxIsCtrlDown() )
+ {
+ switch ( vkey )
+ {
+ case 'C':
+ case 'V':
+ case 'X':
+ case VK_INSERT:
+ case VK_DELETE:
+ case VK_HOME:
+ case VK_END:
+ return FALSE;
+ }
+ }
+ else if ( wxIsShiftDown() )
+ {
+ if ( vkey == VK_INSERT || vkey == VK_DELETE )
+ return FALSE;
+ }
+ }
+ }
+
+ return wxControl::MSWShouldPreProcessMessage(pMsg);
+}
+
+void wxTextCtrl::OnChar(wxKeyEvent& event)
+{
+ switch ( event.KeyCode() )
+ {
+ case WXK_RETURN:
+ if ( !(m_windowStyle & wxTE_MULTILINE) )
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+ InitCommandEvent(event);
+ event.SetString(GetValue());
+ if ( GetEventHandler()->ProcessEvent(event) )
+ return;
+ }
+ //else: multiline controls need Enter for themselves
+
+ break;
+
+ case WXK_TAB:
+ // always produce navigation event - even if we process TAB
+ // ourselves the fact that we got here means that the user code
+ // decided to skip processing of this TAB - probably to let it
+ // do its default job.
+ {
+ wxNavigationKeyEvent eventNav;
+ eventNav.SetDirection(!event.ShiftDown());
+ eventNav.SetWindowChange(event.ControlDown());
+ eventNav.SetEventObject(this);
+
+ if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
+ return;
+ }
+ break;
+ }
+
+ // no, we didn't process it
+ event.Skip();
+}
+
+long wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+ // we always want the characters and the arrows
+ if ( nMsg == WM_GETDLGCODE )
+ {
+ // we always want the chars and the arrows
+ long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
+
+ // we may have several different cases:
+ // 1. normal case: both TAB and ENTER are used for dialog navigation
+ // 2. ctrl which wants TAB for itself: ENTER is used to pass to the next
+ // control in the dialog
+ // 3. ctrl which wants ENTER for itself: TAB is used for dialog navigation
+ // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to pass to
+ // the next control
+ if ( m_windowStyle & wxTE_PROCESS_ENTER )
+ lDlgCode |= DLGC_WANTMESSAGE;
+ if ( m_windowStyle & wxTE_PROCESS_TAB )
+ lDlgCode |= DLGC_WANTTAB;
+
+ return lDlgCode;
+ }
+
+ return wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
+}
+
+bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
+{
+ switch (param)
+ {
+ case EN_SETFOCUS:
+ case EN_KILLFOCUS:
+ {
+ wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
+ : wxEVT_SET_FOCUS,
+ m_windowId);
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(event);
+ }
+ break;
+
+ case EN_CHANGE:
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
+ InitCommandEvent(event);
+ event.SetString(GetValue());
+ ProcessCommand(event);
+ }
+ break;
+
+ case EN_MAXTEXT:
+ // the text size limit has been hit - increase it
+ if ( !AdjustSpaceLimit() )
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, m_windowId);
+ InitCommandEvent(event);
+ event.SetString(GetValue());
+ ProcessCommand(event);
+ }
+ break;
+
+ // the other notification messages are not processed
+ case EN_UPDATE:
+ case EN_ERRSPACE:
+ case EN_HSCROLL:
+ case EN_VSCROLL:
+ return FALSE;
+ default:
+ return FALSE;
+ }
+
+ // processed
+ return TRUE;
+}
+
+WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
+#if wxUSE_CTL3D
+ WXUINT message,
+ WXWPARAM wParam,
+ WXLPARAM lParam
projects / wxWidgets.git / blobdiff