+ g_signal_handler_block(win->widget, win->line_input_keypress_handler);
+
+ int chars_written = finish_text_grid_line_input(win, TRUE);
+ ChimaraGlk *glk = CHIMARA_GLK(gtk_widget_get_ancestor(win->widget, CHIMARA_TYPE_GLK));
+ event_throw(glk, evtype_LineInput, win, chars_written, 0);
+}
+
+/* Internal function: Callback for signal key-press-event on the line input
+GtkEntry in a text grid window. */
+gboolean
+on_input_entry_key_press_event(GtkEntry *input_entry, GdkEventKey *event, winid_t win)
+{
+ if(event->keyval == GDK_Up || event->keyval == GDK_KP_Up
+ || event->keyval == GDK_Down || event->keyval == GDK_KP_Down)
+ {
+ /* Prevent falling off the end of the history list */
+ if( (event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
+ && win->history_pos && win->history_pos->next == NULL)
+ return TRUE;
+ if( (event->keyval == GDK_Down || event->keyval == GDK_KP_Down)
+ && (win->history_pos == NULL || win->history_pos->prev == NULL) )
+ return TRUE;
+
+ if(win->history_pos == NULL)
+ {
+ const gchar *current_input = gtk_entry_get_text(input_entry);
+ win->history = g_list_prepend(win->history, g_strdup(current_input));
+ win->history_pos = win->history;
+ }
+
+ if(event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
+ {
+ if(win->history_pos)
+ win->history_pos = g_list_next(win->history_pos);
+ else
+ win->history_pos = win->history;
+ }
+ else /* down */
+ win->history_pos = g_list_previous(win->history_pos);
+
+ /* Insert the history item into the window */
+ g_signal_handler_block(input_entry, win->line_input_entry_changed);
+ gtk_entry_set_text(input_entry, win->history_pos->data);
+ g_signal_handler_unblock(input_entry, win->line_input_entry_changed);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+void
+on_input_entry_changed(GtkEditable *editable, winid_t win)
+{
+ /* Set the history position to NULL and erase the text we were already editing */
+ if(win->history_pos != NULL)
+ {
+ g_free(win->history->data);
+ win->history = g_list_delete_link(win->history, win->history);
+ win->history_pos = NULL;
+ }
+}
+
+glui32
+keyval_to_glk_keycode(guint keyval, gboolean unicode)
+{
+ glui32 keycode;
+ switch(keyval) {
+ case GDK_Up:
+ case GDK_KP_Up: return keycode_Up;
+ case GDK_Down:
+ case GDK_KP_Down: return keycode_Down;
+ case GDK_Left:
+ case GDK_KP_Left: return keycode_Left;
+ case GDK_Right:
+ case GDK_KP_Right: return keycode_Right;
+ case GDK_Linefeed:
+ case GDK_Return:
+ case GDK_KP_Enter: return keycode_Return;
+ case GDK_Delete:
+ case GDK_BackSpace:
+ case GDK_KP_Delete: return keycode_Delete;
+ case GDK_Escape: return keycode_Escape;
+ case GDK_Tab:
+ case GDK_KP_Tab: return keycode_Tab;
+ case GDK_Page_Up:
+ case GDK_KP_Page_Up: return keycode_PageUp;
+ case GDK_Page_Down:
+ case GDK_KP_Page_Down: return keycode_PageDown;
+ case GDK_Home:
+ case GDK_KP_Home: return keycode_Home;
+ case GDK_End:
+ case GDK_KP_End: return keycode_End;
+ case GDK_F1:
+ case GDK_KP_F1: return keycode_Func1;
+ case GDK_F2:
+ case GDK_KP_F2: return keycode_Func2;
+ case GDK_F3:
+ case GDK_KP_F3: return keycode_Func3;
+ case GDK_F4:
+ case GDK_KP_F4: return keycode_Func4;
+ case GDK_F5: return keycode_Func5;
+ case GDK_F6: return keycode_Func6;
+ case GDK_F7: return keycode_Func7;
+ case GDK_F8: return keycode_Func8;
+ case GDK_F9: return keycode_Func9;
+ case GDK_F10: return keycode_Func10;
+ case GDK_F11: return keycode_Func11;
+ case GDK_F12: return keycode_Func12;
+ default:
+ keycode = gdk_keyval_to_unicode(keyval);
+ /* If keycode is 0, then keyval was not recognized; also return
+ unknown if Latin-1 input was requested and the character is not in
+ Latin-1 */
+ if(keycode == 0 || (!unicode && keycode > 255))
+ return keycode_Unknown;
+ return keycode;
+ }
+}
+
+void
+force_char_input_from_queue(winid_t win, event_t *event)
+{
+ ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+ guint keyval = GPOINTER_TO_UINT(g_async_queue_pop(glk_data->char_input_queue));
+
+ glk_cancel_char_event(win);
+
+ gdk_threads_enter();
+ ChimaraGlk *glk = CHIMARA_GLK(gtk_widget_get_ancestor(win->widget, CHIMARA_TYPE_GLK));
+ g_assert(glk);
+ g_signal_emit_by_name(glk, "char-input", win->rock, keyval);
+ gdk_threads_leave();