Create the ESearchBar thingy. (search_bar_query_changed_cb): Build the

2001-04-15  Federico Mena Quintero  <federico@ximian.com>

	* gui/gnome-cal.c (setup_widgets): Create the ESearchBar thingy.
	(search_bar_query_changed_cb): Build the different queries based
	on the type and string.

	* pcs/query.c (backend_obj_updated_cb): Ref the query while we are
	notifying the listener so that it will not disappear from under us.
	(backend_obj_removed_cb): Likewise.
	(process_component_cb): Likewise.
	(func_contains): New function to match text fields.
	(matches_comment): New function to match comment lists.
	(matches_description): New function to match description lists.
	(matches_summary): New function to match summaries.
	(matches_any): New function to match any text field.
	(func_has_categories): New function to match categories.

svn path=/trunk/; revision=9340

1 files changed, 153 insertions, 10 deletions

diff --git a/calendar/gui/gnome-cal.c b/calendar/gui/gnome-cal.c
index 917489c043..138e5cb280 100644
--- a/calendar/gui/gnome-cal.c
+++ b/calendar/gui/gnome-cal.c
@@ -37,6 +37,7 @@
 #include <gal/e-paned/e-hpaned.h>
 #include <gal/e-paned/e-vpaned.h>
 #include <cal-util/timeutil.h>
+#include "widgets/misc/e-search-bar.h"
 #include "dialogs/alarm-notify-dialog.h"
 #include "e-calendar-table.h"
 #include "e-day-view.h"
@@ -91,6 +92,8 @@ struct _GnomeCalendarPrivate {
 
 	/* Widgets */
 
+	GtkWidget   *search_bar;
+
 	GtkWidget   *hpane;
 	GtkWidget   *notebook;
 	GtkWidget   *vpane;
@@ -202,6 +205,147 @@ gnome_calendar_class_init (GnomeCalendarClass *class)
 	object_class->destroy = gnome_calendar_destroy;
 }
 
+static GtkWidget *
+get_current_page (GnomeCalendar *gcal)
+{
+	GnomeCalendarPrivate *priv;
+
+	priv = gcal->priv;
+
+	return GTK_NOTEBOOK (priv->notebook)->cur_page->child;
+}
+
+enum {
+	SEARCH_SHOW_ALL
+};
+
+static ESearchBarItem search_menu_items[] = {
+	{ N_("Show all "), SEARCH_SHOW_ALL },
+	{ NULL, -1 }
+};
+
+enum {
+	SEARCH_ANY_FIELD_CONTAINS,
+	SEARCH_SUMMARY_CONTAINS,
+	SEARCH_DESCRIPTION_CONTAINS,
+	SEARCH_COMMENT_CONTAINS,
+	SEARCH_HAS_CATEGORY
+};
+
+static ESearchBarItem search_option_items[] = {
+	{ N_("Any field contains"), SEARCH_ANY_FIELD_CONTAINS },
+	{ N_("Summary contains"), SEARCH_SUMMARY_CONTAINS },
+	{ N_("Description contains"), SEARCH_DESCRIPTION_CONTAINS },
+	{ N_("Comment contains"), SEARCH_COMMENT_CONTAINS },
+	{ N_("Has category"), SEARCH_HAS_CATEGORY },
+	{ NULL, -1 }
+};
+
+/* Sets the query sexp for the current view in the calendar */
+static void
+set_query (GnomeCalendar *gcal, char *sexp)
+{
+	GnomeCalendarPrivate *priv;
+	GtkWidget *page;
+
+	g_assert (sexp != NULL);
+
+	priv = gcal->priv;
+
+	page = get_current_page (gcal);
+
+	if (page == priv->day_view || page == priv->work_week_view)
+		e_day_view_set_query (E_DAY_VIEW (page), sexp);
+	else if (page == priv->week_view || page == priv->month_view)
+		e_week_view_set_query (E_WEEK_VIEW (page), sexp);
+	else {
+		g_warning ("A penguin bit my hand!");
+		g_assert_not_reached ();
+	}
+}
+
+/* Sets the query string to be (contains? "field" "text") */
+static void
+set_query_contains (GnomeCalendar *gcal, const char *field, const char *text)
+{
+	char *sexp;
+
+	sexp = g_strdup_printf ("(contains? \"%s\" \"%s\")", field, text);
+	set_query (gcal, sexp);
+	g_free (sexp);
+}
+
+/* Callback used when the query string is changed in the search bar */
+static void
+search_bar_query_changed_cb (ESearchBar *search_bar, gpointer data)
+{
+	GnomeCalendar *gcal;
+	int item;
+	char *text;
+
+	gcal = GNOME_CALENDAR (data);
+
+	item = e_search_bar_get_option_choice (search_bar);
+	text = e_search_bar_get_text (search_bar);
+
+	if (!text)
+		return; /* This is an error in the UTF8 conversion, not an empty string! */
+
+	switch (item) {
+	case SEARCH_ANY_FIELD_CONTAINS:
+		set_query_contains (gcal, "any", text);
+		break;
+
+	case SEARCH_SUMMARY_CONTAINS:
+		set_query_contains (gcal, "summary", text);
+		break;
+
+	case SEARCH_DESCRIPTION_CONTAINS:
+		set_query_contains (gcal, "description", text);
+		break;
+
+	case SEARCH_COMMENT_CONTAINS:
+		set_query_contains (gcal, "comment", text);
+		break;
+
+	case SEARCH_HAS_CATEGORY: {
+		char *sexp;
+
+		sexp = g_strdup_printf ("(has-categories? \"%s\")", text);
+		set_query (gcal, sexp);
+		g_free (sexp);
+		break;
+	}
+
+	default:
+		g_assert_not_reached ();
+	}
+
+	g_free (text);
+}
+
+/* Callback used when a menu item is activated in the search bar */
+static void
+search_bar_menu_activated_cb (ESearchBar *search_bar, int item, gpointer data)
+{
+	GnomeCalendar *gcal;
+
+	gcal = GNOME_CALENDAR (data);
+
+	switch (item) {
+	case SEARCH_SHOW_ALL:
+		set_query (gcal, "#t"); /* match all */
+		/* FIXME: should we change the rest of the search bar so that
+		 * the user sees that he selected "show all" instead of some
+		 * type/text search combination?
+		 */
+		break;
+
+	default:
+		g_assert_not_reached ();
+	}
+}
+
 static void
 setup_widgets (GnomeCalendar *gcal)
 {
@@ -212,6 +356,15 @@ setup_widgets (GnomeCalendar *gcal)
 
 	priv = gcal->priv;
 
+	priv->search_bar = e_search_bar_new (search_menu_items, search_option_items);
+	gtk_signal_connect (GTK_OBJECT (priv->search_bar), "query_changed",
+			    GTK_SIGNAL_FUNC (search_bar_query_changed_cb), gcal);
+	gtk_signal_connect (GTK_OBJECT (priv->search_bar), "menu_activated",
+			    GTK_SIGNAL_FUNC (search_bar_menu_activated_cb), gcal);
+
+	gtk_widget_show (priv->search_bar);
+	gtk_box_pack_start (GTK_BOX (gcal), priv->search_bar, FALSE, FALSE, 0);
+
 	/* The main HPaned, with the notebook of calendar views on the left
 	   and the ECalendar and ToDo list on the right. */
 	priv->hpane = e_hpaned_new ();
@@ -378,16 +531,6 @@ gnome_calendar_destroy (GtkObject *object)
 		(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
 }
 
-static GtkWidget *
-get_current_page (GnomeCalendar *gcal)
-{
-	GnomeCalendarPrivate *priv;
-
-	priv = gcal->priv;
-
-	return GTK_NOTEBOOK (priv->notebook)->cur_page->child;
-}
-
 char *
 gnome_calendar_get_current_view_name (GnomeCalendar *gcal)
 {