+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();
+
+ event->type = evtype_CharInput;
+ event->win = win;
+ event->val1 = keyval_to_glk_keycode(keyval, win->input_request_type == INPUT_REQUEST_CHARACTER_UNICODE);
+ event->val2 = 0;
+}
+
+void
+force_line_input_from_queue(winid_t win, event_t *event)
+{
+ ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+ const gchar *text = g_async_queue_pop(glk_data->line_input_queue);
+ glui32 chars_written = 0;
+
+ gdk_threads_enter();
+ if(win->type == wintype_TextBuffer)
+ {
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) );
+ GtkTextIter start, end;
+
+ /* Remove signal handlers so the line input doesn't get picked up again */
+ g_signal_handler_block(buffer, win->insert_text_handler);
+ g_signal_handler_block(win->widget, win->line_input_keypress_handler);
+
+ /* Erase any text that was already typed */
+ GtkTextMark *input_position = gtk_text_buffer_get_mark(buffer, "input_position");
+ gtk_text_buffer_get_iter_at_mark(buffer, &start, input_position);
+ gtk_text_buffer_get_end_iter(buffer, &end);
+ gtk_text_buffer_delete(buffer, &start, &end);
+
+ /* Make the window uneditable again */
+ gtk_text_view_set_editable(GTK_TEXT_VIEW(win->widget), FALSE);
+
+ /* Insert the forced input into the window */
+ gtk_text_buffer_get_end_iter(buffer, &end);
+ gchar *text_to_insert = g_strconcat(text, "\n", NULL);
+ gtk_text_buffer_insert_with_tags_by_name(buffer, &end, text_to_insert, -1, "input", NULL);
+ chars_written = finish_text_buffer_line_input(win, TRUE);
+ }
+ else if(win->type == wintype_TextGrid)
+ {
+ /* Remove signal handlers so the line input doesn't get picked up again */
+ g_signal_handler_block(win->widget, win->char_input_keypress_handler);
+
+ /* Insert the forced input into the window */
+ gtk_entry_set_text(GTK_ENTRY(win->input_entry), text);
+ chars_written = finish_text_grid_line_input(win, TRUE);
+ }
+ gdk_threads_leave();
+
+ event->type = evtype_LineInput;
+ event->win = win;
+ event->val1 = chars_written;
+ event->val2 = 0;
+}
+
+/*** Internal function: cancels any pending input requests on the window and presents a warning if not INPUT_REQUEST_NONE ***/
+void
+cancel_old_input_request(winid_t win)
+{
+ switch(win->input_request_type) {
+ case INPUT_REQUEST_NONE:
+ break; /* All is well */
+ case INPUT_REQUEST_CHARACTER:
+ case INPUT_REQUEST_CHARACTER_UNICODE:
+ glk_cancel_char_event(win);
+ WARNING("Cancelling pending char event");
+ break;
+ case INPUT_REQUEST_LINE:
+ case INPUT_REQUEST_LINE_UNICODE:
+ glk_cancel_line_event(win, NULL);
+ WARNING("Cancelling pending line event");
+ break;
+ default:
+ WARNING("Could not cancel pending input request: unknown input request");
+ }
+}