/* Forward declarations */
static int finish_text_buffer_line_input(winid_t win, gboolean emit_signal);
static int finish_text_grid_line_input(winid_t win, gboolean emit_signal);
+static void cancel_old_input_request(winid_t win);
/* Internal function: code common to both flavors of char event request */
void
request_char_event_common(winid_t win, gboolean unicode)
{
VALID_WINDOW(win, return);
- g_return_if_fail(win->input_request_type == INPUT_REQUEST_NONE);
g_return_if_fail(win->type != wintype_TextBuffer || win->type != wintype_TextGrid);
+ cancel_old_input_request(win);
+
flush_window_buffer(win);
ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
g_signal_handler_unblock( win->widget, win->char_input_keypress_handler );
gdk_threads_enter();
-
- /* If the request is in a text buffer window, scroll to the end of the
- text buffer. TODO: This may scroll text off the top of the window that the
- user hasn't read yet. We need to implement a paging mechanism. */
- if(win->type == wintype_TextBuffer)
- {
- GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) );
- GtkTextIter iter;
- gtk_text_buffer_get_end_iter(buffer, &iter);
- gtk_text_buffer_place_cursor(buffer, &iter);
- gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(win->widget), gtk_text_buffer_get_insert(buffer));
- /* Why doesn't this always work?? */
- }
-
gtk_widget_grab_focus( GTK_WIDGET(win->widget) );
gdk_threads_leave();
/* Make the entry as small as possible to fit with the text */
gtk_entry_set_has_frame(GTK_ENTRY(win->input_entry), FALSE);
GtkBorder border = { 0, 0, 0, 0 };
+
+ /* COMPAT: */
+#if GTK_CHECK_VERSION(2,10,0)
gtk_entry_set_inner_border(GTK_ENTRY(win->input_entry), &border);
+#endif
gtk_entry_set_max_length(GTK_ENTRY(win->input_entry), win->input_length);
gtk_entry_set_width_chars(GTK_ENTRY(win->input_entry), win->input_length);
gtk_text_buffer_get_end_iter(buffer, &end_iter); /* update after text insertion */
}
- /* Scroll to input point */
- gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(win->widget), input_position);
-
/* Apply the correct style to the input prompt */
GtkTextIter input_iter;
gtk_text_buffer_get_iter_at_mark(buffer, &input_iter, input_position);
{
VALID_WINDOW(win, return);
g_return_if_fail(buf);
- g_return_if_fail(win->input_request_type == INPUT_REQUEST_NONE);
g_return_if_fail(win->type != wintype_TextBuffer || win->type != wintype_TextGrid);
g_return_if_fail(initlen <= maxlen);
+ cancel_old_input_request(win);
+
ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
/* Register the buffer */
{
VALID_WINDOW(win, return);
g_return_if_fail(buf);
- g_return_if_fail(win->input_request_type == INPUT_REQUEST_NONE);
g_return_if_fail(win->type != wintype_TextBuffer || win->type != wintype_TextGrid);
g_return_if_fail(initlen <= maxlen);
+ cancel_old_input_request(win);
ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
/* Register the buffer */
int chars_written = 0;
+ gdk_threads_enter();
if(win->type == wintype_TextGrid) {
chars_written = finish_text_grid_line_input(win, FALSE);
} else if(win->type == wintype_TextBuffer) {
g_signal_handler_block(window_buffer, win->insert_text_handler);
chars_written = finish_text_buffer_line_input(win, FALSE);
}
+ gdk_threads_leave();
ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
if(glk_data->unregister_arr)
/* Only one keypress will be handled */
win->input_request_type = INPUT_REQUEST_NONE;
- g_signal_handler_block( win->widget, win->char_input_keypress_handler );
+ g_signal_handler_block(win->widget, win->char_input_keypress_handler);
return TRUE;
}
switch(win->type)
{
case wintype_TextBuffer:
+
+ /* History up/down */
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(win->history == NULL)
+ return TRUE;
if( (event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
&& win->history_pos && win->history_pos->next == NULL)
return TRUE;
g_signal_handler_unblock(buffer, win->insert_text_handler);
return TRUE;
}
+
+ /* Move to beginning/end of input field */
+ else if(event->keyval == GDK_Home) {
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(win->widget));
+ GtkTextIter input_iter;
+ GtkTextMark *input_position = gtk_text_buffer_get_mark(buffer, "input_position");
+ gtk_text_buffer_get_iter_at_mark(buffer, &input_iter, input_position);
+ gtk_text_buffer_place_cursor(buffer, &input_iter);
+ return TRUE;
+ }
+ else if(event->keyval == GDK_End) {
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(win->widget));
+ GtkTextIter end_iter;
+ gtk_text_buffer_get_end_iter(buffer, &end_iter);
+ gtk_text_buffer_place_cursor(buffer, &end_iter);
+ return TRUE;
+ }
+
+ /* Handle the enter key, which could occur in the middle of the sentence. */
+ else if(event->keyval == GDK_Return || event->keyval == GDK_KP_Enter) {
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(win->widget));
+ GtkTextIter end_iter;
+ gtk_text_buffer_get_end_iter(buffer, &end_iter);
+ gtk_text_buffer_place_cursor(buffer, &end_iter);
+ return FALSE;
+ }
+
return FALSE;
/* If this is a text grid window, then redirect the key press to the line input GtkEntry */
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");
+ }
+}
projects / rodin / chimara.git / blobdiff