- error = NULL;
- if (!find_common_prefix (chooser_entry, &common_prefix, &unique_file, &is_complete_not_unique, &prefix_expands_the_file_part, &error))
- {
- /* If the user types an incomplete hostname ("http://foo" without a slash
- * after that), it's not an error. We just don't want to pop up a
- * meaningless completion window in that state.
- */
- if (!g_error_matches (error, GTK_FILE_CHOOSER_ERROR, GTK_FILE_CHOOSER_ERROR_INCOMPLETE_HOSTNAME)
- && show_errors)
- {
- beep (chooser_entry);
- pop_up_completion_feedback (chooser_entry, _("Invalid path"));
- }
-
- g_error_free (error);
-
- return INVALID_INPUT;
- }
-
- have_result = FALSE;
-
- if (unique_file)
- {
- if (!char_after_cursor_is_directory_separator (chooser_entry))
- common_prefix = maybe_append_separator_to_file (chooser_entry,
- unique_file,
- common_prefix);
-
- g_object_unref (unique_file);
-
- if (common_prefix)
- {
- if (prefix_expands_the_file_part)
- result = COMPLETED_UNIQUE;
- else
- result = NOTHING_INSERTED_UNIQUE;
- }
- else
- result = INVALID_INPUT;
-
- have_result = TRUE;
- }
- else
- {
- if (is_complete_not_unique)
- {
- result = COMPLETE_BUT_NOT_UNIQUE;
- have_result = TRUE;
- }
- }
-
- if (common_prefix)
- {
- gint cursor_pos;
- gint common_prefix_len;
- gint pos;
-
- cursor_pos = gtk_editable_get_position (GTK_EDITABLE (chooser_entry));
- common_prefix_len = g_utf8_strlen (common_prefix, -1);
-
- pos = chooser_entry->file_part_pos;
-
- if (prefix_expands_the_file_part)
- {
- chooser_entry->in_change = TRUE;
- gtk_editable_delete_text (GTK_EDITABLE (chooser_entry),
- pos, cursor_pos);
- gtk_editable_insert_text (GTK_EDITABLE (chooser_entry),
- common_prefix, -1,
- &pos);
- chooser_entry->in_change = FALSE;
-
- if (highlight)
- {
- gtk_editable_select_region (GTK_EDITABLE (chooser_entry),
- cursor_pos,
- pos); /* equivalent to cursor_pos + common_prefix_len); */
- chooser_entry->has_completion = TRUE;
- }
- else
- gtk_editable_set_position (GTK_EDITABLE (chooser_entry), pos);
- }
- else if (!have_result)
- {
- result = NOTHING_INSERTED_COMPLETE;
- have_result = TRUE;
- }
-
- g_free (common_prefix);
-
- if (have_result)
- return result;
- else
- return COMPLETED;
- }
- else
- {
- if (have_result)
- return result;
- else
- return NO_MATCH;
- }
-}
-
-static void
-gtk_file_chooser_entry_do_insert_text (GtkEditable *editable,
- const gchar *new_text,
- gint new_text_length,
- gint *position)
-{
- GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (editable);
- gint old_text_len;
- gint insert_pos;
-
- old_text_len = GTK_ENTRY (chooser_entry)->text_length;
- insert_pos = *position;
-
- parent_editable_iface->do_insert_text (editable, new_text, new_text_length, position);
-
- if (chooser_entry->in_change)
- return;
-
- remove_completion_feedback (chooser_entry);
-
- if ((chooser_entry->action == GTK_FILE_CHOOSER_ACTION_OPEN
- || chooser_entry->action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER)
- && insert_pos == old_text_len)
- install_start_autocompletion_idle (chooser_entry);
-}
-
-static void
-clear_completions_if_not_in_change (GtkFileChooserEntry *chooser_entry)
-{
- if (chooser_entry->in_change)
- return;
-
- clear_completions (chooser_entry);
-}
-
-static void
-gtk_file_chooser_entry_do_delete_text (GtkEditable *editable,
- gint start_pos,
- gint end_pos)
-{
- GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (editable);
-
- parent_editable_iface->do_delete_text (editable, start_pos, end_pos);
-
- clear_completions_if_not_in_change (chooser_entry);
-}
-
-static void
-gtk_file_chooser_entry_set_position (GtkEditable *editable,
- gint position)
-{
- GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (editable);
-
- parent_editable_iface->set_position (editable, position);
-
- clear_completions_if_not_in_change (chooser_entry);
-}
-
-static void
-gtk_file_chooser_entry_set_selection_bounds (GtkEditable *editable,
- gint start_pos,
- gint end_pos)
-{
- GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (editable);
-
- parent_editable_iface->set_selection_bounds (editable, start_pos, end_pos);
-
- clear_completions_if_not_in_change (chooser_entry);
-}
-
-static void
-gtk_file_chooser_entry_grab_focus (GtkWidget *widget)
-{
- GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->grab_focus (widget);
- _gtk_file_chooser_entry_select_filename (GTK_FILE_CHOOSER_ENTRY (widget));
-}
-
-static void
-gtk_file_chooser_entry_unmap (GtkWidget *widget)
-{
- GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (widget);
-
- remove_completion_feedback (chooser_entry);
-
- GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->unmap (widget);
-}
-
-static gboolean
-completion_feedback_window_expose_event_cb (GtkWidget *widget,
- GdkEventExpose *event,
- gpointer data)
-{
- /* Stolen from gtk_tooltip_paint_window() */
-
- GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (data);
-
- gtk_paint_flat_box (chooser_entry->completion_feedback_window->style,
- chooser_entry->completion_feedback_window->window,
- GTK_STATE_NORMAL,
- GTK_SHADOW_OUT,
- NULL,
- chooser_entry->completion_feedback_window,
- "tooltip",
- 0, 0,
- chooser_entry->completion_feedback_window->allocation.width,
- chooser_entry->completion_feedback_window->allocation.height);
-
- return FALSE;
-}
-
-static void
-set_invisible_mouse_cursor (GdkWindow *window)
-{
- GdkDisplay *display;
- GdkCursor *cursor;
-
- display = gdk_drawable_get_display (window);
- cursor = gdk_cursor_new_for_display (display, GDK_BLANK_CURSOR);
-
- gdk_window_set_cursor (window, cursor);
-
- gdk_cursor_unref (cursor);
-}
-
-static void
-completion_feedback_window_realize_cb (GtkWidget *widget,
- gpointer data)
-{
- /* We hide the mouse cursor inside the completion feedback window, since
- * GtkEntry hides the cursor when the user types. We don't want the cursor to
- * come back if the completion feedback ends up where the mouse is.
- */
- set_invisible_mouse_cursor (widget->window);
-}
-
-static void
-create_completion_feedback_window (GtkFileChooserEntry *chooser_entry)
-{
- /* Stolen from gtk_tooltip_init() */
-
- GtkWidget *alignment;
-
- chooser_entry->completion_feedback_window = gtk_window_new (GTK_WINDOW_POPUP);
- gtk_window_set_type_hint (GTK_WINDOW (chooser_entry->completion_feedback_window),
- GDK_WINDOW_TYPE_HINT_TOOLTIP);
- gtk_widget_set_app_paintable (chooser_entry->completion_feedback_window, TRUE);
- gtk_window_set_resizable (GTK_WINDOW (chooser_entry->completion_feedback_window), FALSE);
- gtk_widget_set_name (chooser_entry->completion_feedback_window, "gtk-tooltip");
-
- alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
- gtk_alignment_set_padding (GTK_ALIGNMENT (alignment),
- chooser_entry->completion_feedback_window->style->ythickness,
- chooser_entry->completion_feedback_window->style->ythickness,
- chooser_entry->completion_feedback_window->style->xthickness,
- chooser_entry->completion_feedback_window->style->xthickness);
- gtk_container_add (GTK_CONTAINER (chooser_entry->completion_feedback_window), alignment);
- gtk_widget_show (alignment);
-
- g_signal_connect (chooser_entry->completion_feedback_window, "expose-event",
- G_CALLBACK (completion_feedback_window_expose_event_cb), chooser_entry);
- g_signal_connect (chooser_entry->completion_feedback_window, "realize",
- G_CALLBACK (completion_feedback_window_realize_cb), chooser_entry);
- /* FIXME: connect to motion-notify-event, and *show* the cursor when the mouse moves */
-
- chooser_entry->completion_feedback_label = gtk_label_new (NULL);
- gtk_container_add (GTK_CONTAINER (alignment), chooser_entry->completion_feedback_label);
- gtk_widget_show (chooser_entry->completion_feedback_label);
-}
-
-static gboolean
-completion_feedback_timeout_cb (gpointer data)
-{
- GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (data);
-
- chooser_entry->completion_feedback_timeout_id = 0;
-
- remove_completion_feedback (chooser_entry);
- return FALSE;
-}
-
-static void
-install_completion_feedback_timer (GtkFileChooserEntry *chooser_entry)
-{
- if (chooser_entry->completion_feedback_timeout_id != 0)
- g_source_remove (chooser_entry->completion_feedback_timeout_id);
-
- chooser_entry->completion_feedback_timeout_id = gdk_threads_add_timeout (COMPLETION_FEEDBACK_TIMEOUT_MS,
- completion_feedback_timeout_cb,
- chooser_entry);
-}
-
-/* Gets the x position of the text cursor in the entry, in widget coordinates */
-static void
-get_entry_cursor_x (GtkFileChooserEntry *chooser_entry,
- gint *x_ret)
-{
- /* FIXME: see the docs for gtk_entry_get_layout_offsets(). As an exercise for
- * the reader, you have to implement support for the entry's scroll offset and
- * RTL layouts and all the fancy Pango stuff.
- */
-
- PangoLayout *layout;
- gint layout_x, layout_y;
- gint layout_index;
- PangoRectangle strong_pos;
-
- layout = gtk_entry_get_layout (GTK_ENTRY (chooser_entry));
-
- gtk_entry_get_layout_offsets (GTK_ENTRY (chooser_entry), &layout_x, &layout_y);
-
- layout_index = gtk_entry_text_index_to_layout_index (GTK_ENTRY (chooser_entry),
- GTK_ENTRY (chooser_entry)->current_pos);
-
- pango_layout_get_cursor_pos (layout, layout_index, &strong_pos, NULL);
-
- *x_ret = layout_x + strong_pos.x / PANGO_SCALE;
-}
-
-static void
-show_completion_feedback_window (GtkFileChooserEntry *chooser_entry)
-{
- /* More or less stolen from gtk_tooltip_position() */
-
- GtkRequisition feedback_req;
- gint entry_x, entry_y;
- gint cursor_x;
- GtkAllocation *entry_allocation;
- int feedback_x, feedback_y;
-
- gtk_widget_size_request (chooser_entry->completion_feedback_window, &feedback_req);
-
- gdk_window_get_origin (GTK_WIDGET (chooser_entry)->window, &entry_x, &entry_y);
- entry_allocation = &(GTK_WIDGET (chooser_entry)->allocation);
-
- get_entry_cursor_x (chooser_entry, &cursor_x);
-
- /* FIXME: fit to the screen if we bump on the screen's edge */
- feedback_x = entry_x + cursor_x + entry_allocation->height / 2; /* cheap "half M-width" */
- feedback_y = entry_y + (entry_allocation->height - feedback_req.height) / 2;
-
- gtk_window_move (GTK_WINDOW (chooser_entry->completion_feedback_window), feedback_x, feedback_y);
- gtk_widget_show (chooser_entry->completion_feedback_window);
-
- install_completion_feedback_timer (chooser_entry);
-}
-
-static void
-pop_up_completion_feedback (GtkFileChooserEntry *chooser_entry,
- const gchar *feedback)
-{
- if (chooser_entry->completion_feedback_window == NULL)
- create_completion_feedback_window (chooser_entry);
-
- gtk_label_set_text (GTK_LABEL (chooser_entry->completion_feedback_label), feedback);
-
- show_completion_feedback_window (chooser_entry);
-}
-
-static void
-remove_completion_feedback (GtkFileChooserEntry *chooser_entry)
-{
- if (chooser_entry->completion_feedback_window)
- gtk_widget_destroy (chooser_entry->completion_feedback_window);
-
- chooser_entry->completion_feedback_window = NULL;
- chooser_entry->completion_feedback_label = NULL;
-
- if (chooser_entry->completion_feedback_timeout_id != 0)
- {
- g_source_remove (chooser_entry->completion_feedback_timeout_id);
- chooser_entry->completion_feedback_timeout_id = 0;
- }
-}
-
-static void
-explicitly_complete (GtkFileChooserEntry *chooser_entry)
-{
- CommonPrefixResult result;
-
- g_assert (chooser_entry->current_folder != NULL);
- g_assert (_gtk_folder_is_finished_loading (chooser_entry->current_folder));
-
- /* FIXME: see what Emacs does in case there is no common prefix, or there is more than one match:
- *
- * - If there is a common prefix, insert it (done)
- * - If there is no common prefix, pop up the suggestion window
- * - If there are no matches at all, beep and bring up a tooltip (done)
- * - If the suggestion window is already up, scroll it
- */
- result = append_common_prefix (chooser_entry, FALSE, TRUE);
-
- switch (result)
- {
- case INVALID_INPUT:
- /* We already beeped in append_common_prefix(); do nothing here */
- break;
-
- case NO_MATCH:
- beep (chooser_entry);
- /* translators: this text is shown when there are no completions
- * for something the user typed in a file chooser entry
- */
- pop_up_completion_feedback (chooser_entry, _("No match"));
- break;
-
- case NOTHING_INSERTED_COMPLETE:
- /* FIXME: pop up the suggestion window or scroll it */
- break;
-
- case NOTHING_INSERTED_UNIQUE:
- /* translators: this text is shown when there is exactly one completion
- * for something the user typed in a file chooser entry
- */
- pop_up_completion_feedback (chooser_entry, _("Sole completion"));
- break;
-
- case COMPLETED:
- /* Nothing to do */
- break;
-
- case COMPLETED_UNIQUE:
- /* Nothing to do */
- break;
-
- case COMPLETE_BUT_NOT_UNIQUE:
- /* translators: this text is shown when the text in a file chooser
- * entry is a complete filename, but could be continued to find
- * a longer match
- */
- pop_up_completion_feedback (chooser_entry, _("Complete, but not unique"));
- break;