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filechooserentry: Simplify append_common_prefix()

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Now that we don't need to know anymore why insertion failed, we can
simplify the append function quite a lot.

A simple rule now: If we did not insert anything, beep.
This commit is contained in:
Benjamin Otte 2011-11-07 02:39:02 +01:00
parent f7e5a773ff
commit 6e7b2de21e
1 changed files with 20 additions and 133 deletions
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139
gtk/gtkfilechooserentry.c
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@ -632,76 +632,33 @@ find_common_prefix (GtkFileChooserEntry *chooser_entry,
return TRUE;
}
typedef enum {
INVALID_INPUT, /* what the user typed is bogus */
NO_MATCH, /* no matches based on what the user typed */
NOTHING_INSERTED_COMPLETE, /* what the user typed is already completed as far as it will go */
NOTHING_INSERTED_UNIQUE, /* what the user typed is already completed, and is a unique match */
COMPLETED, /* completion inserted (ambiguous suffix) */
COMPLETED_UNIQUE, /* completion inserted, and it is a complete name and a unique match */
COMPLETE_BUT_NOT_UNIQUE /* completion inserted, it is a complete name but not unique */
} CommonPrefixResult;
/* Finds a common prefix based on the contents of the entry
* and mandatorily appends it
*/
static CommonPrefixResult
append_common_prefix (GtkFileChooserEntry *chooser_entry)
static void
explicitly_complete (GtkFileChooserEntry *chooser_entry)
{
gchar *common_prefix;
GFile *unique_file;
gboolean is_complete_not_unique;
gboolean prefix_expands_the_file_part;
GError *error;
CommonPrefixResult result = NO_MATCH;
gboolean have_result;
clear_completions (chooser_entry);
if (chooser_entry->completion_store == NULL)
return NO_MATCH;
error = NULL;
if (!find_common_prefix (chooser_entry, &common_prefix, &unique_file, &is_complete_not_unique, &prefix_expands_the_file_part, &error))
{
g_error_free (error);
return INVALID_INPUT;
}
have_result = FALSE;
if (unique_file)
{
g_object_unref (unique_file);
if (prefix_expands_the_file_part)
result = COMPLETED_UNIQUE;
else
result = NOTHING_INSERTED_UNIQUE;
have_result = TRUE;
}
else
{
if (is_complete_not_unique)
{
result = COMPLETE_BUT_NOT_UNIQUE;
have_result = TRUE;
}
}
if (common_prefix)
{
gint cursor_pos;
gint pos;
cursor_pos = gtk_editable_get_position (GTK_EDITABLE (chooser_entry));
clear_completions (chooser_entry);
if (chooser_entry->completion_store == NULL
|| !find_common_prefix (chooser_entry, &common_prefix, &unique_file, &is_complete_not_unique, &prefix_expands_the_file_part, NULL)
|| !common_prefix
|| !prefix_expands_the_file_part)
{
beep (chooser_entry);
return;
}
cursor_pos = gtk_editable_get_position (GTK_EDITABLE (chooser_entry));
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);
@ -712,27 +669,6 @@ append_common_prefix (GtkFileChooserEntry *chooser_entry)
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_grab_focus (GtkWidget *widget)
@ -741,55 +677,6 @@ 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)
{
CommonPrefixResult result;
g_assert (chooser_entry->current_folder_loaded);
/* 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);
switch (result)
{
case INVALID_INPUT:
/* We already beeped in append_common_prefix(); do nothing here */
break;
case NO_MATCH:
beep (chooser_entry);
break;
case NOTHING_INSERTED_COMPLETE:
/* FIXME: pop up the suggestion window or scroll it */
break;
case NOTHING_INSERTED_UNIQUE:
break;
case COMPLETED:
/* Nothing to do */
break;
case COMPLETED_UNIQUE:
/* Nothing to do */
break;
case COMPLETE_BUT_NOT_UNIQUE:
break;
default:
g_assert_not_reached ();
}
}
static void
start_explicit_completion (GtkFileChooserEntry *chooser_entry)
{