+ case GDK_Escape:
+ key_code = WXK_ESCAPE;
+ break;
+
+ // cursor and other extended keyboard keys
+ case GDK_Delete:
+ key_code = WXK_DELETE;
+ break;
+
+ case GDK_Home:
+ key_code = WXK_HOME;
+ break;
+
+ case GDK_Left:
+ key_code = WXK_LEFT;
+ break;
+
+ case GDK_Up:
+ key_code = WXK_UP;
+ break;
+
+ case GDK_Right:
+ key_code = WXK_RIGHT;
+ break;
+
+ case GDK_Down:
+ key_code = WXK_DOWN;
+ break;
+
+ case GDK_Prior: // == GDK_Page_Up
+ key_code = WXK_PRIOR;
+ break;
+
+ case GDK_Next: // == GDK_Page_Down
+ key_code = WXK_NEXT;
+ break;
+
+ case GDK_End:
+ key_code = WXK_END;
+ break;
+
+ case GDK_Begin:
+ key_code = WXK_HOME;
+ break;
+
+ case GDK_Insert:
+ key_code = WXK_INSERT;
+ break;
+
+
+ // numpad keys
+ case GDK_KP_0:
+ case GDK_KP_1:
+ case GDK_KP_2:
+ case GDK_KP_3:
+ case GDK_KP_4:
+ case GDK_KP_5:
+ case GDK_KP_6:
+ case GDK_KP_7:
+ case GDK_KP_8:
+ case GDK_KP_9:
+ key_code = (isChar ? '0' : WXK_NUMPAD0) + keysym - GDK_KP_0;
+ break;
+
+ case GDK_KP_Space:
+ key_code = isChar ? ' ' : WXK_NUMPAD_SPACE;
+ break;
+
+ case GDK_KP_Tab:
+ key_code = isChar ? WXK_TAB : WXK_NUMPAD_TAB;
+ break;
+
+ case GDK_KP_Enter:
+ key_code = isChar ? WXK_RETURN : WXK_NUMPAD_ENTER;
+ break;
+
+ case GDK_KP_F1:
+ key_code = isChar ? WXK_F1 : WXK_NUMPAD_F1;
+ break;
+
+ case GDK_KP_F2:
+ key_code = isChar ? WXK_F2 : WXK_NUMPAD_F2;
+ break;
+
+ case GDK_KP_F3:
+ key_code = isChar ? WXK_F3 : WXK_NUMPAD_F3;
+ break;
+
+ case GDK_KP_F4:
+ key_code = isChar ? WXK_F4 : WXK_NUMPAD_F4;
+ break;
+
+ case GDK_KP_Home:
+ key_code = isChar ? WXK_HOME : WXK_NUMPAD_HOME;
+ break;
+
+ case GDK_KP_Left:
+ key_code = isChar ? WXK_LEFT : WXK_NUMPAD_LEFT;
+ break;
+
+ case GDK_KP_Up:
+ key_code = isChar ? WXK_UP : WXK_NUMPAD_UP;
+ break;
+
+ case GDK_KP_Right:
+ key_code = isChar ? WXK_RIGHT : WXK_NUMPAD_RIGHT;
+ break;
+
+ case GDK_KP_Down:
+ key_code = isChar ? WXK_DOWN : WXK_NUMPAD_DOWN;
+ break;
+
+ case GDK_KP_Prior: // == GDK_KP_Page_Up
+ key_code = isChar ? WXK_PRIOR : WXK_NUMPAD_PRIOR;
+ break;
+
+ case GDK_KP_Next: // == GDK_KP_Page_Down
+ key_code = isChar ? WXK_NEXT : WXK_NUMPAD_NEXT;
+ break;
+
+ case GDK_KP_End:
+ key_code = isChar ? WXK_END : WXK_NUMPAD_END;
+ break;
+
+ case GDK_KP_Begin:
+ key_code = isChar ? WXK_HOME : WXK_NUMPAD_BEGIN;
+ break;
+
+ case GDK_KP_Insert:
+ key_code = isChar ? WXK_INSERT : WXK_NUMPAD_INSERT;
+ break;
+
+ case GDK_KP_Delete:
+ key_code = isChar ? WXK_DELETE : WXK_NUMPAD_DELETE;
+ break;
+
+ case GDK_KP_Equal:
+ key_code = isChar ? '=' : WXK_NUMPAD_EQUAL;
+ break;
+
+ case GDK_KP_Multiply:
+ key_code = isChar ? '*' : WXK_NUMPAD_MULTIPLY;
+ break;
+
+ case GDK_KP_Add:
+ key_code = isChar ? '+' : WXK_NUMPAD_ADD;
+ break;
+
+ case GDK_KP_Separator:
+ // FIXME: what is this?
+ key_code = isChar ? '.' : WXK_NUMPAD_SEPARATOR;
+ break;
+
+ case GDK_KP_Subtract:
+ key_code = isChar ? '-' : WXK_NUMPAD_SUBTRACT;
+ break;
+
+ case GDK_KP_Decimal:
+ key_code = isChar ? '.' : WXK_NUMPAD_DECIMAL;
+ break;
+
+ case GDK_KP_Divide:
+ key_code = isChar ? '/' : WXK_NUMPAD_DIVIDE;
+ break;
+
+
+ // function keys
+ case GDK_F1:
+ case GDK_F2:
+ case GDK_F3:
+ case GDK_F4:
+ case GDK_F5:
+ case GDK_F6:
+ case GDK_F7:
+ case GDK_F8:
+ case GDK_F9:
+ case GDK_F10:
+ case GDK_F11:
+ case GDK_F12:
+ key_code = WXK_F1 + keysym - GDK_F1;
+ break;
+
+ default:
+ key_code = 0;
+ }
+
+ return key_code;
+}
+
+static inline bool wxIsAsciiKeysym(KeySym ks)
+{
+ return ks < 256;
+}
+
+static void wxFillOtherKeyEventFields(wxKeyEvent& event,
+ wxWindowGTK *win,
+ GdkEventKey *gdk_event)
+{
+ int x = 0;
+ int y = 0;
+ GdkModifierType state;
+ if (gdk_event->window)
+ gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
+
+ event.SetTimestamp( gdk_event->time );
+ event.SetId(win->GetId());
+ event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK) != 0;
+ event.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK) != 0;
+ event.m_altDown = (gdk_event->state & GDK_MOD1_MASK) != 0;
+ event.m_metaDown = (gdk_event->state & GDK_MOD2_MASK) != 0;
+ event.m_scanCode = gdk_event->keyval;
+ event.m_rawCode = (wxUint32) gdk_event->keyval;
+ event.m_rawFlags = 0;
+#if wxUSE_UNICODE
+ event.m_uniChar = gdk_keyval_to_unicode(gdk_event->keyval);
+#endif
+ wxGetMousePosition( &x, &y );
+ win->ScreenToClient( &x, &y );
+ event.m_x = x;
+ event.m_y = y;
+ event.SetEventObject( win );
+}
+
+
+static bool
+wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
+ wxWindowGTK *win,
+ GdkEventKey *gdk_event)
+{
+ // VZ: it seems that GDK_KEY_RELEASE event doesn't set event->string
+ // but only event->keyval which is quite useless to us, so remember
+ // the last character from GDK_KEY_PRESS and reuse it as last resort
+ //
+ // NB: should be MT-safe as we're always called from the main thread only
+ static struct
+ {
+ KeySym keysym;
+ long keycode;
+ } s_lastKeyPress = { 0, 0 };
+
+ KeySym keysym = gdk_event->keyval;
+
+ wxLogTrace(TRACE_KEYS, _T("Key %s event: keysym = %ld"),
+ event.GetEventType() == wxEVT_KEY_UP ? _T("release")
+ : _T("press"),
+ keysym);
+
+ long key_code = wxTranslateKeySymToWXKey(keysym, FALSE /* !isChar */);
+
+ if ( !key_code )
+ {
+ // do we have the translation or is it a plain ASCII character?
+ if ( (gdk_event->length == 1) || wxIsAsciiKeysym(keysym) )
+ {
+ // we should use keysym if it is ASCII as X does some translations
+ // like "I pressed while Control is down" => "Ctrl-I" == "TAB"
+ // which we don't want here (but which we do use for OnChar())
+ if ( !wxIsAsciiKeysym(keysym) )
+ {
+ keysym = (KeySym)gdk_event->string[0];
+ }
+
+ // we want to always get the same key code when the same key is
+ // pressed regardless of the state of the modifies, i.e. on a
+ // standard US keyboard pressing '5' or '%' ('5' key with
+ // Shift) should result in the same key code in OnKeyDown():
+ // '5' (although OnChar() will get either '5' or '%').
+ //
+ // to do it we first translate keysym to keycode (== scan code)
+ // and then back but always using the lower register
+ Display *dpy = (Display *)wxGetDisplay();
+ KeyCode keycode = XKeysymToKeycode(dpy, keysym);
+
+ wxLogTrace(TRACE_KEYS, _T("\t-> keycode %d"), keycode);
+
+ KeySym keysymNormalized = XKeycodeToKeysym(dpy, keycode, 0);
+
+ // use the normalized, i.e. lower register, keysym if we've
+ // got one
+ key_code = keysymNormalized ? keysymNormalized : keysym;
+
+ // as explained above, we want to have lower register key codes
+ // normally but for the letter keys we want to have the upper ones
+ //
+ // NB: don't use XConvertCase() here, we want to do it for letters
+ // only
+ key_code = toupper(key_code);
+ }
+ else // non ASCII key, what to do?
+ {
+ // by default, ignore it
+ key_code = 0;
+
+ // but if we have cached information from the last KEY_PRESS
+ if ( gdk_event->type == GDK_KEY_RELEASE )
+ {
+ // then reuse it
+ if ( keysym == s_lastKeyPress.keysym )
+ {
+ key_code = s_lastKeyPress.keycode;
+ }
+ }
+ }
+
+ if ( gdk_event->type == GDK_KEY_PRESS )
+ {
+ // remember it to be reused for KEY_UP event later
+ s_lastKeyPress.keysym = keysym;
+ s_lastKeyPress.keycode = key_code;
+ }
+ }
+
+ wxLogTrace(TRACE_KEYS, _T("\t-> wxKeyCode %ld"), key_code);
+
+ // sending unknown key events doesn't really make sense
+ if ( !key_code )
+ return FALSE;
+
+ // now fill all the other fields
+ wxFillOtherKeyEventFields(event, win, gdk_event);
+
+ event.m_keyCode = key_code;
+
+ return TRUE;
+}
+
+
+#ifdef __WXGTK20__
+struct wxGtkIMData
+{
+ GtkIMContext *context;
+ GdkEventKey *lastKeyEvent;
+
+ wxGtkIMData()
+ {
+ context = gtk_im_multicontext_new();
+ lastKeyEvent = NULL;
+ }
+ ~wxGtkIMData()
+ {
+ g_object_unref(context);
+ }
+};
+#endif
+
+extern "C" {
+static gint gtk_window_key_press_callback( GtkWidget *widget,
+ GdkEventKey *gdk_event,
+ wxWindow *win )
+{
+ DEBUG_MAIN_THREAD
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ if (!win->m_hasVMT)
+ return FALSE;
+ if (g_blockEventsOnDrag)
+ return FALSE;
+
+
+ wxKeyEvent event( wxEVT_KEY_DOWN );
+ bool ret = false;
+ bool return_after_IM = false;
+
+ if( wxTranslateGTKKeyEventToWx(event, win, gdk_event) )
+ {
+ // Emit KEY_DOWN event
+ ret = win->GetEventHandler()->ProcessEvent( event );
+ }
+ else
+ {
+ // Return after IM processing as we cannot do
+ // anything with it anyhow.
+ return_after_IM = true;
+ }
+
+#ifdef __WXGTK20__
+ // 2005.01.26 modified by Hong Jen Yee (hzysoft@sina.com.tw):
+ // When we get a key_press event here, it could be originate
+ // from the current widget or its child widgets. However, only the widget
+ // with the INPUT FOCUS can generate the INITIAL key_press event. That is,
+ // if the CURRENT widget doesn't have the FOCUS at all, this event definitely
+ // originated from its child widgets and shouldn't be passed to IM context.
+ // In fact, what a GTK+ IM should do is filtering keyEvents and convert them
+ // into text input ONLY WHEN THE WIDGET HAS INPUT FOCUS. Besides, when current
+ // widgets has both IM context and input focus, the event should be filtered
+ // by gtk_im_context_filter_keypress().
+ // Then, we should, according to GTK+ 2.0 API doc, return whatever it returns.
+ if ((!ret) && (win->m_imData != NULL) && ( wxWindow::FindFocus() == win ))
+ {
+ // We should let GTK+ IM filter key event first. According to GTK+ 2.0 API
+ // docs, if IM filter returns true, no further processing should be done.
+ // we should send the key_down event anyway.
+ bool intercepted_by_IM = gtk_im_context_filter_keypress(win->m_imData->context, gdk_event);
+ win->m_imData->lastKeyEvent = NULL;
+ if (intercepted_by_IM)
+ {
+ wxLogTrace(TRACE_KEYS, _T("Key event intercepted by IM"));
+ return true;
+ }
+ }
+#endif
+ if (return_after_IM)
+ return false;
+
+#ifndef __WXGTK20__
+ // This is for GTK+ 1.2 only. The char event generatation for GTK+ 2.0 is done
+ // in the "commit" handler.
+
+ // 2005.02.02 modified by Hong Jen Yee (hzysoft@sina.com.tw).
+ // In GTK+ 1.2, strings sent by IMs are also regarded as key_press events whose
+ // keyCodes cannot be recognized by wxWidgets. These MBCS strings, however, are
+ // composed of more than one character, which means gdk_event->length will always
+ // greater than one. When gtk_event->length == 1, this may be an ASCII character
+ // and can be translated by wx. However, when MBCS characters are sent by IM,
+ // gdk_event->length will >= 2. So neither should we pass it to accelerator table,
+ // nor should we pass it to controls. The following explanation was excerpted
+ // from GDK documentation.
+ // gint length : the length of string.
+ // gchar *string : a null-terminated multi-byte string containing the composed
+ // characters resulting from the key press. When text is being input, in a GtkEntry
+ // for example, it is these characters which should be added to the input buffer.
+ // When using Input Methods to support internationalized text input, the composed
+ // characters appear here after the pre-editing has been completed.
+
+ if ( (!ret) && (gdk_event->length > 1) ) // If this event contains a pre-edited string from IM.
+ {
+ // We should translate this key event into wxEVT_CHAR not wxEVT_KEY_DOWN.
+ #if wxUSE_UNICODE // GTK+ 1.2 is not UTF-8 based.
+ const wxWCharBuffer string = wxConvLocal.cMB2WC( gdk_event->string );
+ if( !string )
+ return false;
+ #else
+ const char* string = gdk_event->string;
+ #endif
+
+ // Implement OnCharHook by checking ancesteror top level windows
+ wxWindow *parent = win;
+ while (parent && !parent->IsTopLevel())
+ parent = parent->GetParent();
+
+ for( const wxChar* pstr = string; *pstr; pstr++ )
+ {
+ #if wxUSE_UNICODE
+ event.m_uniChar = *pstr;
+ // Backward compatible for ISO-8859-1
+ event.m_keyCode = *pstr < 256 ? event.m_uniChar : 0;
+ #else
+ event.m_keyCode = *pstr;
+ #endif
+ if (parent)
+ {
+ event.SetEventType( wxEVT_CHAR_HOOK );
+ ret = parent->GetEventHandler()->ProcessEvent( event );
+ }
+ if (!ret)
+ {
+ event.SetEventType(wxEVT_CHAR);
+ win->GetEventHandler()->ProcessEvent( event );
+ }
+ }
+ return true;
+ }
+
+#endif // #ifndef __WXGTK20__
+
+#if wxUSE_ACCEL
+ if (!ret)
+ {
+ wxWindowGTK *ancestor = win;
+ while (ancestor)
+ {
+ int command = ancestor->GetAcceleratorTable()->GetCommand( event );
+ if (command != -1)
+ {
+ wxCommandEvent command_event( wxEVT_COMMAND_MENU_SELECTED, command );
+ ret = ancestor->GetEventHandler()->ProcessEvent( command_event );
+ break;
+ }
+ if (ancestor->IsTopLevel())
+ break;
+ ancestor = ancestor->GetParent();
+ }
+ }
+#endif // wxUSE_ACCEL
+
+ // Only send wxEVT_CHAR event if not processed yet. Thus, ALT-x
+ // will only be sent if it is not in an accelerator table.
+ if (!ret)
+ {
+ long key_code;
+ KeySym keysym = gdk_event->keyval;
+ // Find key code for EVT_CHAR and EVT_CHAR_HOOK events
+ key_code = wxTranslateKeySymToWXKey(keysym, TRUE /* isChar */);
+ if ( !key_code )
+ {
+ if ( wxIsAsciiKeysym(keysym) )
+ {
+ // ASCII key
+ key_code = (unsigned char)keysym;
+ }
+ // gdk_event->string is actually deprecated
+ else if ( gdk_event->length == 1 )
+ {
+ key_code = (unsigned char)gdk_event->string[0];
+ }
+ }
+
+ if ( key_code )
+ {
+ wxLogTrace(TRACE_KEYS, _T("Char event: %ld"), key_code);
+
+ event.m_keyCode = key_code;
+
+ // Implement OnCharHook by checking ancesteror top level windows
+ wxWindow *parent = win;
+ while (parent && !parent->IsTopLevel())
+ parent = parent->GetParent();
+ if (parent)
+ {
+ event.SetEventType( wxEVT_CHAR_HOOK );
+ ret = parent->GetEventHandler()->ProcessEvent( event );
+ }
+
+ if (!ret)
+ {
+ event.SetEventType(wxEVT_CHAR);
+ ret = win->GetEventHandler()->ProcessEvent( event );
+ }
+ }
+ }
+
+
+
+
+
+ // win is a control: tab can be propagated up
+ if ( !ret &&
+ ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab)) &&
projects / wxWidgets.git / blobdiff