1 files changed, 439 insertions, 0 deletions

diff --git a/widgets/misc/e-filter-bar.c b/widgets/misc/e-filter-bar.c
new file mode 100644
index 0000000000..6679059963
--- /dev/null
+++ b/widgets/misc/e-filter-bar.c
@@ -0,0 +1,439 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* 
+ * e-search-bar.c
+ *
+ * Copyright (C) 2001 Ximian, Inc.
+ *
+ * Authors:
+ *  Michael Zucchi <notzed@ximian.com>
+ *
+ * This library 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 (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.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <config.h>
+
+#include <gtk/gtk.h>
+
+#include "e-dropdown-button.h"
+#include "e-filter-bar.h"
+
+#include <gal/widgets/e-unicode.h>
+#include <gal/widgets/e-gui-utils.h>
+
+
+enum {
+	LAST_SIGNAL
+};
+
+/*static gint esb_signals [LAST_SIGNAL] = { 0, };*/
+
+static ESearchBarClass *parent_class = NULL;
+
+/* The arguments we take */
+enum {
+	ARG_0,
+	ARG_QUERY,
+};
+
+
+/* Callbacks.  */
+
+/* rule editor thingy */
+static void rule_editor_destroyed(GtkWidget *w, EFilterBar *efb)
+{
+	efb->save_dialogue = NULL;
+	e_search_bar_set_menu_sensitive((ESearchBar *)efb, E_FILTERBAR_SAVE_ID, TRUE);
+}
+
+static void rule_editor_clicked(GtkWidget *w, int button, void *data)
+{
+	EFilterBar *efb = data;
+	ESearchBarItem item;
+	FilterRule *rule;
+
+	switch(button) {
+	case 0:
+		rule = gtk_object_get_data((GtkObject *)w, "rule");
+		if (rule) {
+			item.text = rule->name;
+			item.id = efb->menu_base + efb->menu_rules->len;
+
+			g_ptr_array_add(efb->menu_rules, rule);
+
+			rule_context_add_rule(efb->context, rule);
+			/* FIXME: check return */
+			rule_context_save(efb->context, efb->userrules);
+			e_search_bar_add_menu((ESearchBar *)efb, &item);
+		}
+	case 1:
+		gnome_dialog_close((GnomeDialog *)w);
+		break;
+	case -1:
+	}
+}
+
+static void rule_advanced_clicked(GtkWidget *w, int button, void *data)
+{
+	EFilterBar *efb = data;
+	FilterRule *rule;
+
+	switch(button) {
+	case 0:			/* 'ok' */
+	case 1:
+		rule = gtk_object_get_data((GtkObject *)w, "rule");
+		if (rule) {
+			efb->current_query = rule;
+			gtk_object_ref((GtkObject *)rule);
+			gtk_signal_emit_by_name((GtkObject *)efb, "query_changed");
+		}
+		if (button == 1)
+			rule_editor_clicked(w, 0, data);
+	case 2:
+		gnome_dialog_close((GnomeDialog *)w);
+		break;
+	case -1:
+	}
+}
+
+static void
+menubar_activated (ESearchBar *esb, int id, void *data)
+{
+	EFilterBar *efb = (EFilterBar *)esb;
+
+	switch(id) {
+	case E_FILTERBAR_RESET_ID:
+		printf("Reset menu\n");
+		efb->current_query = NULL;
+		gtk_object_set((GtkObject *)esb, "option_choice", efb->option_base, NULL);
+		gtk_object_set((GtkObject *)esb, "text", NULL, NULL);
+		gtk_widget_set_sensitive(esb->entry, TRUE);
+		break;
+	case E_FILTERBAR_SAVE_ID:
+		if (efb->current_query && !efb->save_dialogue) {
+			GtkWidget *w;
+			GnomeDialog *gd;
+			FilterRule *rule;
+
+			rule = filter_rule_clone(efb->current_query, efb->context);
+
+			w = filter_rule_get_widget(rule, efb->context);
+			filter_rule_set_source(rule, FILTER_SOURCE_INCOMING);
+			gd = (GnomeDialog *)gnome_dialog_new(_("Save Search"),
+							     GNOME_STOCK_BUTTON_OK,
+							     GNOME_STOCK_BUTTON_CANCEL,
+							     NULL);
+			efb->save_dialogue = (GtkWidget *)gd;
+			gnome_dialog_set_default (gd, 0);
+
+			gtk_window_set_policy(GTK_WINDOW(gd), FALSE, TRUE, FALSE);
+			/*gtk_window_set_default_size (GTK_WINDOW (gd), 500, 500);*/
+			gtk_box_pack_start((GtkBox *)gd->vbox, w, TRUE, TRUE, 0);
+			gtk_widget_show((GtkWidget *)gd);
+			gtk_object_ref((GtkObject *)rule);
+			gtk_object_set_data_full((GtkObject *)gd, "rule", rule, (GtkDestroyNotify)gtk_object_unref);
+			gtk_signal_connect((GtkObject *)gd, "clicked", rule_editor_clicked, efb);
+			gtk_signal_connect((GtkObject *)gd, "destroy", rule_editor_destroyed, efb);
+
+			e_search_bar_set_menu_sensitive(esb, E_FILTERBAR_SAVE_ID, FALSE);
+			gtk_widget_set_sensitive(esb->entry, FALSE);
+
+			gtk_widget_show((GtkWidget *)gd);
+		}
+
+		printf("Save menu\n");
+		break;
+	default:
+		if (id >= efb->menu_base && id < efb->menu_base + efb->menu_rules->len) {
+			GString *out = g_string_new("");
+			printf("Selected rule: %s\n", ((FilterRule *)efb->menu_rules->pdata[id - efb->menu_base])->name);
+			filter_rule_build_code(efb->menu_rules->pdata[id - efb->menu_base], out);
+			printf("query: '%s'\n", out->str);
+			g_string_free(out, 1);
+
+			efb->current_query = (FilterRule *)efb->menu_rules->pdata[id - efb->menu_base];
+			efb->setquery = TRUE;
+			gtk_object_set((GtkObject *)esb, "option_choice", E_FILTERBAR_ADVANCED_ID, NULL);
+
+			gtk_widget_set_sensitive(esb->entry, FALSE);
+		} else {
+			gtk_widget_set_sensitive(esb->entry, TRUE);
+			return;
+		}
+	}
+
+	gtk_signal_emit_stop_by_name((GtkObject *)esb, "menu_activated");
+}
+
+static void
+option_changed (ESearchBar *esb, void *data)
+{
+	EFilterBar *efb = (EFilterBar *)esb;
+	int id = esb->option_choice;
+	char *query;
+
+	printf("option changed, id = %d\n", id);
+
+	switch(id) {
+	case E_FILTERBAR_ADVANCED_ID: {
+		printf("Advanced search!\n");
+
+		if (!efb->save_dialogue && !efb->setquery) {
+			GtkWidget *w;
+			GnomeDialog *gd;
+			FilterRule *rule;
+
+			if (efb->current_query)
+				rule = filter_rule_clone(efb->current_query, efb->context);
+			else
+				rule = filter_rule_new();
+
+			w = filter_rule_get_widget(rule, efb->context);
+			filter_rule_set_source(rule, FILTER_SOURCE_INCOMING);
+			gd = (GnomeDialog *)gnome_dialog_new(_("Advanced Search"),
+							     GNOME_STOCK_BUTTON_OK,
+							     _("Save"),
+							     GNOME_STOCK_BUTTON_CANCEL,
+							     NULL);
+			efb->save_dialogue = (GtkWidget *)gd;
+			gnome_dialog_set_default (gd, 0);
+		
+			gtk_window_set_policy(GTK_WINDOW(gd), FALSE, TRUE, FALSE);
+			/*gtk_window_set_default_size (GTK_WINDOW (gd), 500, 500);*/
+			gtk_box_pack_start((GtkBox *)gd->vbox, w, TRUE, TRUE, 0);
+			gtk_widget_show((GtkWidget *)gd);
+			gtk_object_ref((GtkObject *)rule);
+			gtk_object_set_data_full((GtkObject *)gd, "rule", rule, (GtkDestroyNotify)gtk_object_unref);
+			gtk_signal_connect((GtkObject *)gd, "clicked", rule_advanced_clicked, efb);
+			gtk_signal_connect((GtkObject *)gd, "destroy", rule_editor_destroyed, efb);
+		
+			e_search_bar_set_menu_sensitive(esb, E_FILTERBAR_SAVE_ID, FALSE);
+			gtk_widget_set_sensitive(esb->entry, FALSE);
+		
+			gtk_widget_show((GtkWidget *)gd);
+		}
+	}	break;
+	default:
+		if (id >= efb->option_base && id < efb->option_base + efb->option_rules->len) {
+			efb->current_query = (FilterRule *)efb->option_rules->pdata[id - efb->option_base];
+			if (efb->config) {
+				gtk_object_get((GtkObject *)esb, "text", &query, NULL);
+				efb->config(efb, efb->current_query, id, query, efb->config_data);
+				g_free(query);
+			}
+			gtk_widget_set_sensitive(esb->entry, TRUE);
+		} else {
+			gtk_widget_set_sensitive(esb->entry, FALSE);
+			efb->current_query = NULL;
+		}
+	}
+	efb->setquery = FALSE;
+}
+
+static GArray *build_items(ESearchBar *esb, ESearchBarItem *items, int type, int *start, GPtrArray *rules)
+{
+	FilterRule *rule = NULL;
+	EFilterBar *efb = (EFilterBar *)esb;
+	int id = 0, i;
+	GArray *menu = g_array_new(FALSE, FALSE, sizeof(ESearchBarItem));
+	ESearchBarItem item;
+	char *source;
+
+	/* find a unique starting point for the id's of our items */
+	for (i=0;items[i].id != -1;i++) {
+		if (items[i].id >= id)
+			id = items[i].id+1;
+	}
+
+	/* add the user menus */
+	g_array_append_vals(menu, items, i);
+
+	*start = id;
+
+	if (type == 0) {
+		/* and add ours */
+		item.id = 0;
+		item.text = NULL;
+		g_array_append_vals(menu, &item, 1);
+		source = FILTER_SOURCE_INCOMING;
+	} else {
+		source = FILTER_SOURCE_DEMAND;
+	}
+
+	while ( (rule = rule_context_next_rule(efb->context, rule, source)) ) {
+		item.id = id++;
+		item.text = rule->name;
+		g_array_append_vals(menu, &item, 1);
+		g_ptr_array_add(rules, rule);
+	}
+
+	/* always add on the advanced menu */
+	if (type == 1) {
+		item.id = E_FILTERBAR_ADVANCED_ID;
+		item.text = _("Advanced ...");
+		g_array_append_vals(menu, &item, 1);
+	}
+
+	item.id = -1;
+	item.text = NULL;
+	g_array_append_vals(menu, &item, 1);
+
+	return menu;
+}
+
+/* Virtual methods */
+static void
+set_menu(ESearchBar *esb, ESearchBarItem *items)
+{
+	GArray *menu;
+	EFilterBar *efb = (EFilterBar *)esb;
+
+	g_ptr_array_set_size(efb->menu_rules, 0);
+	menu = build_items(esb, items, 0, &efb->menu_base, efb->menu_rules);
+	((ESearchBarClass *)parent_class)->set_menu(esb, (ESearchBarItem *)menu->data);
+	g_array_free(menu, TRUE);
+}
+
+static void
+set_option(ESearchBar *esb, ESearchBarItem *items)
+{
+	GArray *menu;
+	EFilterBar *efb = (EFilterBar *)esb;
+
+	g_ptr_array_set_size(efb->option_rules, 0);
+	menu = build_items(esb, items, 1, &efb->option_base, efb->option_rules);
+	((ESearchBarClass *)parent_class)->set_option(esb, (ESearchBarItem *)menu->data);
+	g_array_free(menu, TRUE);
+}
+
+
+/* GtkObject methods.  */
+
+static void
+impl_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
+{
+	EFilterBar *efb = E_FILTER_BAR(object);
+
+	switch (arg_id) {
+	case ARG_QUERY:
+		if (efb->current_query) {
+			GString *out = g_string_new("");
+
+			filter_rule_build_code(efb->current_query, out);
+			GTK_VALUE_STRING(*arg) = out->str;
+			g_string_free(out, FALSE);
+		} else {
+			GTK_VALUE_STRING(*arg) = NULL;
+		}
+		break;
+	}
+}
+
+
+static void
+class_init (EFilterBarClass *klass)
+{
+	GtkObjectClass *object_class;
+	ESearchBarClass *esb_class = (ESearchBarClass *)klass;
+
+	object_class = GTK_OBJECT_CLASS(klass);
+
+	parent_class = gtk_type_class(e_search_bar_get_type());
+
+	object_class->get_arg = impl_get_arg;
+
+	esb_class->set_menu = set_menu;
+	esb_class->set_option = set_option;
+
+	gtk_object_add_arg_type ("EFilterBar::query", GTK_TYPE_STRING, GTK_ARG_READABLE, ARG_QUERY);
+
+#if 0
+	esb_signals [QUERY_CHANGED] =
+		gtk_signal_new ("query_changed",
+				GTK_RUN_LAST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (EFilterBarClass, query_changed),
+				gtk_marshal_NONE__NONE,
+				GTK_TYPE_NONE, 0);
+
+	esb_signals [MENU_ACTIVATED] =
+		gtk_signal_new ("menu_activated",
+				GTK_RUN_LAST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (EFilterBarClass, menu_activated),
+				gtk_marshal_NONE__INT,
+				GTK_TYPE_NONE, 1, GTK_TYPE_INT);
+
+	gtk_object_class_add_signals (object_class, esb_signals, LAST_SIGNAL);
+#endif
+}
+
+static void
+init (EFilterBar *efb)
+{
+	gtk_signal_connect((GtkObject *)efb, "menu_activated", menubar_activated, NULL);
+	gtk_signal_connect((GtkObject *)efb, "query_changed", option_changed, NULL);
+
+	efb->menu_rules = g_ptr_array_new();
+	efb->option_rules = g_ptr_array_new();
+}
+
+
+/* Object construction.  */
+
+EFilterBar *e_filter_bar_new        (RuleContext *context, const char *systemrules, const char *userrules, EFilterBarConfigRule config, void *data)
+{
+	EFilterBar *bar;
+	ESearchBarItem item = { NULL, -1 };
+
+	bar = gtk_type_new(e_filter_bar_get_type());
+
+	bar->context = context;
+	gtk_object_ref((GtkObject *)context);
+	bar->systemrules = g_strdup(systemrules);
+	bar->userrules = g_strdup(userrules);
+	rule_context_load(context, systemrules, userrules);
+
+	bar->config = config;
+	bar->config_data = data;
+
+	e_search_bar_construct((ESearchBar *)bar, &item, &item);
+
+	return bar;
+}
+
+GtkType
+e_filter_bar_get_type (void)
+{
+	static GtkType type = 0;
+
+	if (!type) {
+		static const GtkTypeInfo info = {
+			"EFilterBar",
+			sizeof (EFilterBar),
+			sizeof (EFilterBarClass),
+			(GtkClassInitFunc) class_init,
+			(GtkObjectInitFunc) init,
+			/* reserved_1 */ NULL,
+		       	/* reserved_2 */ NULL,
+			(GtkClassInitFunc) NULL,
+		};
+		
+		type = gtk_type_unique (e_search_bar_get_type (), &info);
+	}
+
+	return type;
+}
+