* This file is part of DisOrder
* Copyright (C) 2008 Richard Kettlewell
*
- * This program is free software; you can redistribute it and/or modify
+ * This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-/** @file disobedience/search.c
- * @brief Search support
- *
- * TODO:
- * - cleverer focus to implement typeahead find
+/** @file disobedience/choose-search.c
+ * @brief Search support for Disobedience choose window
*/
#include "disobedience.h"
#include "choose.h"
static void choose_search_entry_changed(GtkEditable *editable,
gpointer user_data);
+static gboolean choose_get_visible_range(GtkTreeView *tree_view,
+ GtkTreePath **startpathp,
+ GtkTreePath **endpathp);
int choose_is_search_result(const char *track) {
return choose_search_hash && hash_find(choose_search_hash, track);
*
* If @p row_align is negative no row alignemt is performed. Otherwise
* it must be between 0 (the top) and 1 (the bottom).
- *
- * TODO: if the row is already visible do nothing.
*/
static int choose_make_path_visible(GtkTreePath *path,
gfloat row_align) {
/* Make sure that the target's parents are all expanded */
gtk_tree_view_expand_to_path(GTK_TREE_VIEW(choose_view), path);
+ /* Find out what's currently visible */
+ GtkTreePath *startpath, *endpath;
+ choose_get_visible_range(GTK_TREE_VIEW(choose_view), &startpath, &endpath);
/* Make sure the target is visible */
- gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(choose_view), path, NULL,
- row_align >= 0.0,
- row_align,
- 0);
+ if(gtk_tree_path_compare(path, startpath) < 0
+ || gtk_tree_path_compare(path, endpath) > 0)
+ gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(choose_view), path, NULL,
+ row_align >= 0.0,
+ row_align,
+ 0);
+ gtk_tree_path_free(startpath);
+ gtk_tree_path_free(endpath);
return 0;
}
/** @brief Called with search results */
static void choose_search_completed(void attribute((unused)) *v,
- const char *error,
+ const char *err,
int nvec, char **vec) {
//fprintf(stderr, "choose_search_completed\n");
- if(error) {
- popup_protocol_error(0, error);
+ if(err) {
+ popup_protocol_error(0, err);
return;
}
choose_searching = 0;
return TRUE;
}
-void choose_next_clicked(GtkButton attribute((unused)) *button,
- gpointer attribute((unused)) userdata) {
+/** @brief Move to the next/prev match
+ * @param direction -1 for prev, +1 for next
+ */
+static void choose_move(int direction) {
+ /* Refocus the main view so typahead find continues to work */
+ gtk_widget_grab_focus(choose_view);
+ /* If there's no results we have nothing to do */
if(!choose_n_search_results)
return;
- /* Find the last visible row */
- GtkTreePath *endpath;
- gboolean endvalid = choose_get_visible_range(GTK_TREE_VIEW(choose_view),
- NULL,
- &endpath);
- if(!endvalid)
+ /* Compute bounds for searching over the array in the right direction */
+ const int first = direction > 0 ? 0 : choose_n_search_references - 1;
+ const int limit = direction > 0 ? choose_n_search_references : -1;
+ /* Find the first/last currently visible row */
+ GtkTreePath *limitpath;
+ if(!choose_get_visible_range(GTK_TREE_VIEW(choose_view),
+ direction < 0 ? &limitpath : 0,
+ direction > 0 ? &limitpath : 0))
return;
- /* Find a the first search result later than it. They're sorted so we could
- * actually do much better than this if necessary. */
- for(int n = 0; n < choose_n_search_references; ++n) {
+ /* Find a the first search result later/earlier than it. They're sorted so
+ * we could actually do much better than this if necessary. */
+ for(int n = first; n != limit; n += direction) {
GtkTreePath *path
= gtk_tree_row_reference_get_path(choose_search_references[n]);
if(!path)
continue;
- if(gtk_tree_path_compare(endpath, path) < 0) {
+ /* gtk_tree_path_compare returns -1, 0 or 1 so we compare naively with
+ * direction */
+ if(gtk_tree_path_compare(limitpath, path) + direction == 0) {
choose_make_path_visible(path, 0.5);
gtk_tree_path_free(path);
return;
}
gtk_tree_path_free(path);
}
- /* We didn't find one. Loop back to the first. */
- for(int n = 0; n < choose_n_search_references; ++n) {
+ /* We didn't find one. Loop back to the first/las. */
+ for(int n = first; n != limit; n += direction) {
GtkTreePath *path
= gtk_tree_row_reference_get_path(choose_search_references[n]);
if(!path)
}
}
+void choose_next_clicked(GtkButton attribute((unused)) *button,
+ gpointer attribute((unused)) userdata) {
+ choose_move(1);
+}
+
void choose_prev_clicked(GtkButton attribute((unused)) *button,
gpointer attribute((unused)) userdata) {
- /* TODO can we de-dupe with choose_next_clicked? Probably yes. */
- if(!choose_n_search_results)
- return;
- /* Find the first visible row */
- GtkTreePath *startpath;
- gboolean startvalid = choose_get_visible_range(GTK_TREE_VIEW(choose_view),
- &startpath,
- NULL);
- if(!startvalid)
- return;
- /* Find a the last search result earlier than it. They're sorted so we could
- * actually do much better than this if necessary. */
- for(int n = choose_n_search_references - 1; n >= 0; --n) {
- GtkTreePath *path
- = gtk_tree_row_reference_get_path(choose_search_references[n]);
- if(!path)
- continue;
- if(gtk_tree_path_compare(startpath, path) > 0) {
- choose_make_path_visible(path, 0.5);
- gtk_tree_path_free(path);
- return;
- }
- gtk_tree_path_free(path);
- }
- /* We didn't find one. Loop down to the last. */
- for(int n = choose_n_search_references - 1; n >= 0; --n) {
- GtkTreePath *path
- = gtk_tree_row_reference_get_path(choose_search_references[n]);
- if(!path)
- continue;
- choose_make_path_visible(path, 0.5);
- gtk_tree_path_free(path);
- return;
- }
+ choose_move(-1);
}
/** @brief Called when the cancel search button is clicked */
static void choose_clear_clicked(GtkButton attribute((unused)) *button,
gpointer attribute((unused)) userdata) {
gtk_entry_set_text(GTK_ENTRY(choose_search_entry), "");
+ gtk_widget_grab_focus(choose_view);
/* We start things off straight away in this case */
initiate_search();
}