when_filled_callback *whenfilled; /**< @brief called when filled or 0 */
void *wfu; /**< @brief passed to @c whenfilled */
+ int ymin; /**< @brief least Y value */
+ int ymax; /**< @brief greatest Y value */
};
/** @brief One item in the popup menu */
/* Variables */
static GtkWidget *chooselayout;
+static GtkAdjustment *vadjust;
static GtkWidget *searchentry; /**< @brief search terms */
+static GtkWidget *nextsearch; /**< @brief next search result */
+static GtkWidget *prevsearch; /**< @brief previous search result */
static struct choosenode *root;
static GtkWidget *track_menu; /**< @brief track popup menu */
static GtkWidget *dir_menu; /**< @brief directory popup menu */
static int nsearchresults; /**< @brief number of results */
static int nsearchvisible; /**< @brief number of search results visible */
static struct hash *searchhash; /**< @brief hash of search results */
-struct progress_window *spw; /**< @brief progress window */
+static struct progress_window *spw; /**< @brief progress window */
+static struct choosenode **searchnodes; /**< @brief choosenodes of search results */
/* Forward Declarations */
static void initiate_search(void);
static void delete_widgets(struct choosenode *cn);
static void expand_from(struct choosenode *cn);
+static struct choosenode *first_search_result(struct choosenode *cn);
static void clicked_choosenode(GtkWidget attribute((unused)) *widget,
GdkEventButton *event,
/* Maintaining the data structure ------------------------------------------ */
-static char *flags(const struct choosenode *cn) {
+static char *cnflags(const struct choosenode *cn) {
unsigned f = cn->flags, n;
struct dynstr d[1];
struct choosenode *cn = cbd->u.choosenode;
int n;
- D(("got_files %d files for %s %s", nvec, cn->path, flags(cn)));
+ D(("got_files %d files for %s %s", nvec, cn->path, cnflags(cn)));
/* Complicated by the need to resolve aliases. We can save a bit of effort
* by re-using cbd though. */
cn->flags &= ~CN_GETTING_FILES;
struct callbackdata *cbd = v;
struct choosenode *cn = cbd->u.choosenode, *file_cn;
- D(("resolved %s %s %d left", cn->path, flags(cn), cn->pending - 1));
+ D(("resolved %s %s %d left", cn->path, cnflags(cn), cn->pending - 1));
/* TODO as below */
file_cn = newnode(cn, track,
trackname_transform("track", track, "display"),
struct choosenode *cn = cbd->u.choosenode;
int n;
- D(("got_dirs %d dirs for %s %s", nvec, cn->path, flags(cn)));
+ D(("got_dirs %d dirs for %s %s", nvec, cn->path, cnflags(cn)));
/* TODO this depends on local configuration for trackname_transform().
* This will work, since the defaults are now built-in, but it'll be
* (potentially) different to the server's configured settings.
/** @brief Expand a node */
static void expand_node(struct choosenode *cn, int contingent) {
- D(("expand_node %s %d %s", cn->path, contingent, flags(cn)));
+ D(("expand_node %s %d %s", cn->path, contingent, cnflags(cn)));
assert(cn->flags & CN_EXPANDABLE);
/* If node is already expanded do nothing. */
if(cn->flags & CN_EXPANDED) return;
/* This is an actual search result */
++nsearchvisible;
progress_window_progress(spw, nsearchvisible, nsearchresults);
+ if(nsearchvisible == nsearchresults) {
+ /* We've got the lot. We make sure the first result is visible. */
+ cn = first_search_result(root);
+ gtk_adjustment_clamp_page(vadjust, cn->ymin, cn->ymax);
+ }
}
}
/* Searching --------------------------------------------------------------- */
-/** @brief Return true if @p track is a search result */
+/** @brief Return true if @p track is a search result
+ *
+ * In particular the return value is one more than the index of the track
+ * @p searchresults.
+ */
static int is_search_result(const char *track) {
- return searchhash && hash_find(searchhash, track);
+ void *r;
+
+ if(searchhash && (r = hash_find(searchhash, track)))
+ return 1 + *(int *)r;
+ else
+ return 0;
+}
+
+/** @brief Return the first search result at or below @p cn */
+static struct choosenode *first_search_result(struct choosenode *cn) {
+ int n;
+ struct choosenode *r;
+
+ if(cn->flags & CN_EXPANDABLE) {
+ for(n = 0; n < cn->children.nvec; ++n)
+ if((r = first_search_result(cn->children.vec[n])))
+ return r;
+ } else if(is_search_result(cn->path))
+ return cn;
+ return 0;
}
/** @brief Called with a list of search results
nsearchresults = nvec;
if(nvec) {
/* Create a new search hash for fast identification of results */
- searchhash = hash_new(1);
+ searchhash = hash_new(sizeof(int));
for(n = 0; n < nvec; ++n) {
+ int *const ip = xmalloc(sizeof (int *));
+ static const int minus_1 = -1;
+ *ip = n;
/* The filename itself lives in the hash */
- hash_add(searchhash, vec[n], "", HASH_INSERT_OR_REPLACE);
+ hash_add(searchhash, vec[n], ip, HASH_INSERT_OR_REPLACE);
/* So do its ancestor directories */
for(s = vec[n] + 1; *s; ++s) {
if(*s == '/') {
*s = 0;
- hash_add(searchhash, vec[n], "", HASH_INSERT_OR_REPLACE);
+ hash_add(searchhash, vec[n], &minus_1, HASH_INSERT_OR_REPLACE);
*s = '/';
}
}
spw = progress_window_new("Fetching search results");
/* Initiate expansion */
expand_from(root);
+ /* The search results buttons are usable */
+ gtk_widget_set_sensitive(nextsearch, 1);
+ gtk_widget_set_sensitive(prevsearch, 1);
} else {
searchhash = 0; /* for the gc */
+ redisplay_tree(); /* remove search markers */
+ /* The search results buttons are not usable */
+ gtk_widget_set_sensitive(nextsearch, 0);
+ gtk_widget_set_sensitive(prevsearch, 0);
}
}
}
gtk_entry_set_text(GTK_ENTRY(searchentry), "");
}
+/** @brief Called when the 'next search result' button is clicked */
+static void next_clicked(GtkButton attribute((unused)) *button,
+ gpointer attribute((unused)) userdata) {
+ /* We want to find the highest (lowest ymax) track that is below the current
+ * visible range */
+ int n;
+ const gdouble bottom = gtk_adjustment_get_value(vadjust) + vadjust->page_size;
+ const struct choosenode *candidate = 0;
+
+ for(n = 0; n < nsearchresults; ++n) {
+ const struct choosenode *const cn = searchnodes[n];
+
+ if(cn
+ && cn->ymax > bottom
+ && (candidate == 0
+ || cn->ymax < candidate->ymax))
+ candidate = cn;
+ }
+ if(candidate)
+ gtk_adjustment_clamp_page(vadjust, candidate->ymin, candidate->ymax);
+}
+
+/** @brief Called when the 'previous search result' button is clicked */
+static void prev_clicked(GtkButton attribute((unused)) *button,
+ gpointer attribute((unused)) userdata) {
+ /* We want to find the lowest (greated ymax) track that is above the current
+ * visible range */
+ int n;
+ const gdouble top = gtk_adjustment_get_value(vadjust);
+ const struct choosenode *candidate = 0;
+
+ for(n = 0; n < nsearchresults; ++n) {
+ const struct choosenode *const cn = searchnodes[n];
+
+ if(cn
+ && cn->ymin < top
+ && (candidate == 0
+ || cn->ymax > candidate->ymax))
+ candidate = cn;
+ }
+ if(candidate)
+ gtk_adjustment_clamp_page(vadjust, candidate->ymin, candidate->ymax);
+}
+
/* Display functions ------------------------------------------------------- */
/** @brief Delete all the widgets in the tree */
files_visible = 0;
/* Correct the layout and find out how much space it uses */
MTAG_PUSH("display_tree");
+ searchnodes = nsearchresults ? xcalloc(nsearchresults,
+ sizeof (struct choosenode *)) : 0;
d = display_tree(root, 0, 0);
MTAG_POP();
/* We must set the total size or scrolling will not work (it wouldn't be hard
}
/** @brief Recursive step for redisplay_tree()
+ * @param cn Node to display
+ * @param x X coordinate for @p cn
+ * @param y Y coordinate for @p cn
*
* Makes sure all displayed widgets from CN down exist and are in their proper
* place and return the maximum space used.
struct displaydata d, cd;
GdkPixbuf *pb;
const char *name;
+ const int search_result = is_search_result(cn->path);
D(("display_tree %s %d,%d", cn->path, x, y));
/* Make sure the widget name is right */
name = (cn->flags & CN_EXPANDABLE
? "choose-dir"
- : is_search_result(cn->path) ? "choose-search" : "choose");
+ : search_result ? "choose-search" : "choose");
gtk_widget_set_name(cn->label, name);
gtk_widget_set_name(cn->container, name);
/* Make sure the icon is right */
gtk_widget_size_request(cn->container, &req);
d.width = x + req.width;
d.height = y + req.height;
+ cn->ymin = y;
+ cn->ymax = d.height;
if(cn->flags & CN_EXPANDED) {
/* We'll offset children by the size of the arrow whatever it might be. */
assert(cn->arrow);
if(cn->flags & CN_SELECTED)
++files_selected;
}
+ /* update the search results array */
+ if(search_result)
+ searchnodes[search_result - 1] = cn;
/* report back how much space we used */
D(("display_tree %s %d,%d total size %dx%d", cn->path, x, y,
d.width, d.height));
/* Public entry points ----------------------------------------------------- */
+/** @brief Called to entirely reset the choose screen */
+static void choose_reset(void) {
+ if(root)
+ undisplay_tree(root);
+ root = newnode(0/*parent*/, "<root>", "All files", "",
+ CN_EXPANDABLE, fill_root_node);
+ expand_node(root, 0); /* will call redisplay_tree */
+}
+
/** @brief Create a track choice widget */
GtkWidget *choose_widget(void) {
int n;
G_CALLBACK(clearsearch_clicked), 0);
gtk_tooltips_set_tip(tips, clearsearch, "Clear search terms", "");
-
- /* hbox packs the search box and the cancel button together on a line */
+ /* Up and down buttons to find previous/next results; initially they are not
+ * usable as there are no search results. */
+ prevsearch = iconbutton("up.png", "Previous search result");
+ g_signal_connect(G_OBJECT(prevsearch), "clicked",
+ G_CALLBACK(prev_clicked), 0);
+ gtk_widget_set_sensitive(prevsearch, 0);
+ nextsearch = iconbutton("down.png", "Next search result");
+ g_signal_connect(G_OBJECT(nextsearch), "clicked",
+ G_CALLBACK(next_clicked), 0);
+ gtk_widget_set_sensitive(nextsearch, 0);
+
+ /* hbox packs the search tools button together on a line */
NW(hbox);
hbox = gtk_hbox_new(FALSE/*homogeneous*/, 1/*spacing*/);
gtk_box_pack_start(GTK_BOX(hbox), searchentry,
TRUE/*expand*/, TRUE/*fill*/, 0/*padding*/);
- gtk_box_pack_end(GTK_BOX(hbox), clearsearch,
- FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
+ gtk_box_pack_start(GTK_BOX(hbox), prevsearch,
+ FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
+ gtk_box_pack_start(GTK_BOX(hbox), nextsearch,
+ FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
+ gtk_box_pack_start(GTK_BOX(hbox), clearsearch,
+ FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
/* chooselayout contains the currently visible subset of the track
* namespace */
NW(layout);
chooselayout = gtk_layout_new(0, 0);
- root = newnode(0/*parent*/, "<root>", "All files", "",
- CN_EXPANDABLE, fill_root_node);
- expand_node(root, 0); /* will call redisplay_tree */
+ choose_reset();
+ register_reset(choose_reset);
/* Create the popup menus */
NW(menu);
track_menu = gtk_menu_new();
0, 1, n, n + 1);
}
/* The layout is scrollable */
- scrolled = scroll_widget(GTK_WIDGET(chooselayout), "choose");
+ scrolled = scroll_widget(chooselayout, "choose");
+ vadjust = gtk_layout_get_vadjustment(GTK_LAYOUT(chooselayout));
/* The scrollable layout and the search hbox go together in a vbox */
NW(vbox);
~mdw / disorder / blobdiff