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Implement the basic code path for explicit completion

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Signed-off-by: Federico Mena Quintero <federico@gnu.org>

svn path=/trunk/; revision=19829
This commit is contained in:
Federico Mena Quintero 2008-03-13 00:38:53 +00:00 committed by Federico Mena Quintero
parent 11a9457ee1
commit 989637296b
1 changed files with 69 additions and 45 deletions
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114
gtk/gtkfilechooserentry.c
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@ -44,7 +44,7 @@ struct _GtkFileChooserEntryClass
typedef enum {
LOAD_COMPLETE_NOTHING,
LOAD_COMPLETE_AUTOCOMPLETE,
LOAD_COMPLETE_INSERT_PREFIX
LOAD_COMPLETE_EXPLICIT_COMPLETION
} LoadCompleteAction;
struct _GtkFileChooserEntry
@ -128,6 +128,7 @@ static char *maybe_append_separator_to_path (GtkFileChooserEntry *chooser_ent
GtkFilePath *path,
gchar *display_name);
static void refresh_current_folder_and_file_part (GtkFileChooserEntry *chooser_entry);
static void finished_loading_cb (GtkFileFolder *folder,
gpointer data);
static void autocomplete (GtkFileChooserEntry *chooser_entry);
@ -448,15 +449,6 @@ find_common_prefix (GtkFileChooserEntry *chooser_entry,
parsed_folder_path ? (char *) parsed_folder_path : "<NONE>",
parsed_file_part ? parsed_file_part : "<NONE>");
/* FIXME: the old check_completion_callback() did this:
if (strcmp (chooser_entry->file_part, "") == 0)
goto done;
Don't do completion if the file part is empty!
*/
g_free (text_up_to_cursor);
if (!parsed)
@ -652,6 +644,63 @@ gtk_file_chooser_entry_grab_focus (GtkWidget *widget)
_gtk_file_chooser_entry_select_filename (GTK_FILE_CHOOSER_ENTRY (widget));
}
static void
explicitly_complete (GtkFileChooserEntry *chooser_entry)
{
g_assert (chooser_entry->current_folder != NULL);
g_assert (gtk_file_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
* - If there is no common prefix, pop up the suggestion window
* - If there are no matches at all, beep and bring up a tooltip
* - If the suggestion window is already up, scroll it
*/
append_common_prefix (chooser_entry, FALSE);
/* FIXME: this bit of code is commented out for reference; this is how we used to force the suggestion window to pop up
*
* Trigger the completion window to pop up again by a
* zero-length insertion, a bit of a hack.
*
* gtk_editable_insert_text (editable, "", -1, &pos);
*/
}
static void
start_explicit_completion (GtkFileChooserEntry *chooser_entry)
{
printf ("Starting explicit completion - refreshing current folder\n");
refresh_current_folder_and_file_part (chooser_entry);
if (!chooser_entry->current_folder_path)
{
/* Here, no folder path means we couldn't parse what the user typed. */
printf ("We don't have a current_folder_path - means the user typed something bogus\n");
gdk_display_beep (gtk_widget_get_display (GTK_WIDGET (chooser_entry)));
/* FIXME: present a tooltip to tell the user that his folder is invalid */
chooser_entry->load_complete_action = LOAD_COMPLETE_NOTHING;
return;
}
if (chooser_entry->current_folder
&& gtk_file_folder_is_finished_loading (chooser_entry->current_folder))
{
printf ("File folder is finished loading, doing explicit completion immediately\n");
explicitly_complete (chooser_entry);
}
else
{
printf ("File folder is not yet loaded; will do explicit completion later\n");
chooser_entry->load_complete_action = LOAD_COMPLETE_EXPLICIT_COMPLETION;
}
}
static gboolean
gtk_file_chooser_entry_focus (GtkWidget *widget,
GtkDirectionType direction)
@ -690,6 +739,8 @@ gtk_file_chooser_entry_focus (GtkWidget *widget,
gboolean has_selection;
gint sel_end;
printf ("Hit Tab, and we have a completion! Will unselect it\n");
has_selection = gtk_editable_get_selection_bounds (editable, NULL, &sel_end);
g_assert (has_selection && sel_end == GTK_ENTRY (entry)->text_length);
@ -697,16 +748,10 @@ gtk_file_chooser_entry_focus (GtkWidget *widget,
}
else
{
/* FIXME: append the common prefix, *or* pop up the suggestion window if there is no prefix */
append_common_prefix (chooser_entry, FALSE);
}
printf ("Hit Tab, we don't have a selected completion. Will start explicit completion\n");
/* Trigger the completion window to pop up again by a
* zero-length insertion, a bit of a hack.
*
* FIXME: this should be removed here, as it is contemplated by the case above.
*/
gtk_editable_insert_text (editable, "", -1, &pos);
start_explicit_completion (chooser_entry);
}
return TRUE;
}
@ -821,8 +866,9 @@ perform_load_complete_action (GtkFileChooserEntry *chooser_entry)
autocomplete (chooser_entry);
break;
case LOAD_COMPLETE_INSERT_PREFIX:
/* FIXME */
case LOAD_COMPLETE_EXPLICIT_COMPLETION:
printf ("Load is complete; will do explicit completion\n");
explicitly_complete (chooser_entry);
break;
default:
@ -1069,27 +1115,6 @@ install_start_autocompletion_idle (GtkFileChooserEntry *chooser_entry)
chooser_entry->start_autocompletion_idle_id = g_idle_add (start_autocompletion_idle_handler, chooser_entry);
}
#if 0
/* FIXME: what does has_completion mean? After you figure that out and fix it, remove this unused function. */
static void
clear_completion_callback (GtkFileChooserEntry *chooser_entry,
GParamSpec *pspec)
{
/* FIXME: this was in the constructor for the chooser entry. In those vmethods, we have to clear has_completion or something.
g_signal_connect (chooser_entry, "notify::cursor-position",
G_CALLBACK (clear_completion_callback), NULL);
g_signal_connect (chooser_entry, "notify::selection-bound",
G_CALLBACK (clear_completion_callback), NULL);
*/
if (chooser_entry->has_completion)
{
chooser_entry->has_completion = FALSE;
gtk_file_chooser_entry_changed (GTK_EDITABLE (chooser_entry));
}
}
#endif
#ifdef G_OS_WIN32
static gint
insert_text_callback (GtkFileChooserEntry *chooser_entry,
@ -1215,9 +1240,7 @@ _gtk_file_chooser_entry_set_base_folder (GtkFileChooserEntry *chooser_entry,
chooser_entry->base_folder = gtk_file_path_copy (path);
/* FIXME: the base folder changes. Do we need to restart completion or something, to reload the folder if needed?
gtk_file_chooser_entry_changed (GTK_EDITABLE (chooser_entry));
*/
clear_completions (chooser_entry);
_gtk_file_chooser_entry_select_filename (chooser_entry);
}
@ -1284,6 +1307,7 @@ _gtk_file_chooser_entry_set_file_part (GtkFileChooserEntry *chooser_entry,
g_return_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry));
chooser_entry->in_change = TRUE;
clear_completions (chooser_entry);
gtk_entry_set_text (GTK_ENTRY (chooser_entry), file_part);
chooser_entry->in_change = FALSE;
}