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-rw-r--r--e-util/e-plugin-util.c462
1 files changed, 462 insertions, 0 deletions
diff --git a/e-util/e-plugin-util.c b/e-util/e-plugin-util.c
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+++ b/e-util/e-plugin-util.c
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+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ *
+ * Copyright (C) 1999-2010 Novell, Inc. (www.novell.com)
+ */
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <libsoup/soup.h>
+#include <libedataserver/e-source.h>
+#include <string.h>
+
+#include "e-plugin-util.h"
+
+/* name of a property on a widget with corresponding property name for an ESource */
+#define EPU_SP_NAME "e-source-property-name"
+
+#define EPU_CHECK_TRUE "epu-check-true-value"
+#define EPU_CHECK_FALSE "epu-check-false-value"
+
+static gboolean
+epu_is_uri_proto (const gchar *uri, const gchar *protocol)
+{
+ gboolean res;
+
+ g_return_val_if_fail (uri != NULL, FALSE);
+ g_return_val_if_fail (protocol != NULL, FALSE);
+
+ res = uri && g_ascii_strncasecmp (uri, protocol, strlen (protocol)) == 0;
+
+ if (res)
+ res = strchr (protocol, ':') != NULL || uri[strlen (protocol)] == ':';
+
+ return res;
+}
+
+/**
+ * e_plugin_util_is_source_proto:
+ * @source: #ESource object
+ * @protocol: protocol to check on, like "http", "https", ...
+ *
+ * Returns whether given source's uri is of the given protocol.
+ **/
+gboolean
+e_plugin_util_is_source_proto (ESource *source, const gchar *protocol)
+{
+ gchar *uri;
+ gboolean res;
+
+ g_return_val_if_fail (source != NULL, FALSE);
+ g_return_val_if_fail (E_IS_SOURCE (source), FALSE);
+ g_return_val_if_fail (protocol != NULL, FALSE);
+
+ uri = e_source_get_uri (source);
+ res = epu_is_uri_proto (uri, protocol);
+ g_free (uri);
+
+ return res;
+}
+
+/**
+ * e_plugin_util_is_group_proto:
+ * @group: #ESourceGroup object
+ * @protocol: protocol to check on, like "http", "https", ...
+ *
+ * Returns whether given groups' base uri is of the given protocol.
+ **/
+gboolean
+e_plugin_util_is_group_proto (ESourceGroup *group, const gchar *protocol)
+{
+ g_return_val_if_fail (group != NULL, FALSE);
+ g_return_val_if_fail (E_IS_SOURCE_GROUP (group), FALSE);
+ g_return_val_if_fail (protocol != NULL, FALSE);
+
+ return epu_is_uri_proto (e_source_group_peek_base_uri (group), protocol);
+}
+
+/**
+ * e_plugin_util_replace_at_sign:
+ * @str: string to work with
+ *
+ * Replaces all '@' with '%40' in @str.
+ * Returns newly allocated string.
+ **/
+gchar *
+e_plugin_util_replace_at_sign (const gchar *str)
+{
+ gchar *res, *at;
+
+ if (!str)
+ return NULL;
+
+ res = g_strdup (str);
+ while (at = strchr (res, '@'), at) {
+ gchar *tmp = g_malloc0 (sizeof (gchar) * (1 + strlen (res) + 2));
+
+ strncpy (tmp, res, at - res);
+ strcat (tmp, "%40");
+ strcat (tmp, at + 1);
+
+ g_free (res);
+ res = tmp;
+ }
+
+ return res;
+}
+
+/**
+ * e_plugin_util_uri_no_proto:
+ * @uri: #SoupURI object
+ *
+ * Returns uri encoded as string, without protocol part.
+ * Returned pointer should be freed with g_free.
+ **/
+gchar *
+e_plugin_util_uri_no_proto (SoupURI *uri)
+{
+ gchar *full_uri, *uri_noproto;
+ const gchar *tmp;
+
+ g_return_val_if_fail (uri != NULL, NULL);
+
+ full_uri = soup_uri_to_string (uri, FALSE);
+ g_return_val_if_fail (full_uri != NULL, NULL);
+
+ tmp = strstr (full_uri, "://");
+ if (tmp && tmp < strchr (full_uri, '/')) {
+ uri_noproto = g_strdup (tmp + 3);
+ } else {
+ uri_noproto = full_uri;
+ full_uri = NULL;
+ }
+
+ g_free (full_uri);
+
+ return uri_noproto;
+}
+
+static void
+epu_update_source_property (ESource *source, GObject *object, const gchar *value)
+{
+ const gchar *property_name;
+
+ g_return_if_fail (source != NULL);
+ g_return_if_fail (E_IS_SOURCE (source));
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (G_IS_OBJECT (object));
+
+ property_name = g_object_get_data (object, EPU_SP_NAME);
+ g_return_if_fail (property_name != NULL);
+
+ e_source_set_property (source, property_name, value);
+}
+
+static void
+epu_entry_changed_cb (GObject *entry, ESource *source)
+{
+ g_return_if_fail (entry != NULL);
+ g_return_if_fail (GTK_IS_ENTRY (entry));
+
+ epu_update_source_property (source, entry, gtk_entry_get_text (GTK_ENTRY (entry)));
+}
+
+static void
+epu_check_toggled_cb (GObject *button, ESource *source)
+{
+ const gchar *true_value, *false_value;
+
+ g_return_if_fail (button != NULL);
+ g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
+
+ true_value = g_object_get_data (button, EPU_CHECK_TRUE);
+ false_value = g_object_get_data (button, EPU_CHECK_FALSE);
+
+ epu_update_source_property (source, button, gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)) ? true_value : false_value);
+}
+
+/**
+ * e_plugin_util_add_entry:
+ * @parent: two-columns #GtkTable or #GtkContainer, where to add new entry
+ * @label: label for the entry; can be NULL for no label
+ * @source: #ESource object to which tight the entry change; can be NULL for no property binding
+ * @source_property: source's property name to use for a value; can be NULL for no property binding
+ *
+ * Adds a #GtkEntry to the table at the last row or to the container, with a given label.
+ * The entry will be always at the second column of the table.
+ * Value of an entry will be prefilled with a property value of the given
+ * source, and the source will be updated on any change of the entry automatically.
+ * Entry is shown by default.
+ *
+ * Returns pointer to newly added #GtkEntry.
+ **/
+GtkWidget *
+e_plugin_util_add_entry (GtkWidget *parent, const gchar *label, ESource *source, const gchar *source_property)
+{
+ GtkWidget *entry, *lbl = NULL;
+ const gchar *value;
+ gint row = -1;
+
+ g_return_val_if_fail (parent != NULL, NULL);
+ g_return_val_if_fail (GTK_IS_TABLE (parent) || GTK_IS_CONTAINER (parent), NULL);
+
+ if (source || source_property) {
+ g_return_val_if_fail (source != NULL, NULL);
+ g_return_val_if_fail (E_IS_SOURCE (source), NULL);
+ g_return_val_if_fail (source_property != NULL, NULL);
+ g_return_val_if_fail (*source_property != 0, NULL);
+ }
+
+ if (GTK_IS_TABLE (parent))
+ row = GTK_TABLE (parent)->nrows;
+
+ if (label) {
+ lbl = gtk_label_new_with_mnemonic (label);
+ gtk_widget_show (lbl);
+ gtk_misc_set_alignment (GTK_MISC (lbl), 0.0, 0.5);
+ if (row != -1)
+ gtk_table_attach (GTK_TABLE (parent), lbl, 0, 1, row, row + 1, GTK_FILL, 0, 0, 0);
+ else
+ gtk_container_add (GTK_CONTAINER (parent), lbl);
+ }
+
+ if (source)
+ value = e_source_get_property (source, source_property);
+ else
+ value = NULL;
+
+ entry = gtk_entry_new ();
+ gtk_widget_show (entry);
+ gtk_entry_set_text (GTK_ENTRY (entry), value ? value : "");
+ if (row != -1)
+ gtk_table_attach (GTK_TABLE (parent), entry, 1, 2, row, row + 1, GTK_EXPAND | GTK_FILL, 0, 0, 0);
+ else
+ gtk_container_add (GTK_CONTAINER (parent), entry);
+
+ if (lbl)
+ gtk_label_set_mnemonic_widget (GTK_LABEL (lbl), entry);
+
+ if (source) {
+ g_object_set_data_full (G_OBJECT (entry), EPU_SP_NAME, g_strdup (source_property), g_free);
+ g_signal_connect (G_OBJECT (entry), "changed", G_CALLBACK (epu_entry_changed_cb), source);
+ }
+
+ return entry;
+}
+
+/**
+ * e_plugin_util_add_check:
+ * @parent: either two-columns #GtkTable or #GtkContainer where to add new check box; or NULL to just create it
+ * @label: label for the check; cannot be NULL
+ * @source: #ESource object to which tight the check change; can be NULL for no property binding
+ * @source_property: source's property name to use for a value; can be NULL for no property binding
+ * @true_value: what value use for a checked state in a source
+ * @false_value: what value use for an unchecked state in a source
+ *
+ * Adds a #GtkCheckButton to the parent (if provided) at the last row, with a given label.
+ * The check will be always at the second column of the table.
+ * Value of a check will be prefilled with a property value of the given
+ * source, and the source will be updated on any change of the check automatically.
+ * Check is shown by default.
+ *
+ * Returns pointer to newly added #GtkCheckButton.
+ **/
+GtkWidget *
+e_plugin_util_add_check (GtkWidget *parent, const gchar *label, ESource *source, const gchar *source_property, const gchar *true_value, const gchar *false_value)
+{
+ GtkWidget *check;
+ const gchar *value;
+
+ g_return_val_if_fail (parent == NULL || GTK_IS_TABLE (parent) || GTK_IS_CONTAINER (parent), NULL);
+ g_return_val_if_fail (label != NULL, NULL);
+
+ if (source || source_property) {
+ g_return_val_if_fail (source != NULL, NULL);
+ g_return_val_if_fail (E_IS_SOURCE (source), NULL);
+ g_return_val_if_fail (source_property != NULL, NULL);
+ g_return_val_if_fail (*source_property != 0, NULL);
+ }
+
+ if (source)
+ value = e_source_get_property (source, source_property);
+ else
+ value = NULL;
+
+ check = gtk_check_button_new_with_mnemonic (label);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check),
+ value && (value == true_value ||
+ (true_value && g_str_equal (value, true_value)) ||
+ (!source && g_str_equal (value, "1"))));
+ gtk_widget_show (check);
+
+ if (parent && GTK_IS_TABLE (parent)) {
+ gint row = GTK_TABLE (parent)->nrows;
+
+ gtk_table_attach (GTK_TABLE (parent), check, 1, 2, row , row + 1, GTK_FILL, 0, 0, 0);
+ } else if (parent) {
+ gtk_container_add (GTK_CONTAINER (parent), check);
+ }
+
+ if (source) {
+ g_object_set_data_full (G_OBJECT (check), EPU_SP_NAME, g_strdup (source_property), g_free);
+ g_object_set_data_full (G_OBJECT (check), EPU_CHECK_TRUE, g_strdup (true_value), g_free);
+ g_object_set_data_full (G_OBJECT (check), EPU_CHECK_FALSE, g_strdup (false_value), g_free);
+ g_signal_connect (G_OBJECT (check), "toggled", G_CALLBACK (epu_check_toggled_cb), source);
+ }
+
+ return check;
+}
+
+static void
+epu_update_refresh_value (GtkWidget *spin, GtkWidget *combobox, ESource *source)
+{
+ gchar *value;
+ gint setting = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spin));
+ switch (gtk_combo_box_get_active (GTK_COMBO_BOX (combobox))) {
+ case 0:
+ /* minutes */
+ break;
+ case 1:
+ /* hours */
+ setting *= 60;
+ break;
+ case 2:
+ /* days */
+ setting *= 1440;
+ break;
+ case 3:
+ /* weeks */
+ setting *= 10080;
+ break;
+ default:
+ g_warning ("%s: Time unit out of range", G_STRFUNC);
+ break;
+ }
+
+ value = g_strdup_printf ("%d", setting);
+ epu_update_source_property (source, G_OBJECT (spin), value);
+ g_free (value);
+}
+
+static void
+epu_refresh_spin_changed_cb (GtkWidget *spin, ESource *source)
+{
+ g_return_if_fail (spin != NULL);
+ g_return_if_fail (GTK_IS_SPIN_BUTTON (spin));
+
+ epu_update_refresh_value (spin, g_object_get_data (G_OBJECT (spin), "refresh-combo"), source);
+}
+
+static void
+epu_refresh_combo_changed_cb (GtkWidget *combobox, ESource *source)
+{
+ g_return_if_fail (combobox != NULL);
+ g_return_if_fail (GTK_IS_COMBO_BOX (combobox));
+
+ epu_update_refresh_value (g_object_get_data (G_OBJECT (combobox), "refresh-spin"), combobox, source);
+}
+
+/**
+ * e_plugin_util_add_refresh:
+ * @parent: two-columns #GtkTable where to add new "refresh" setup widgets or NULL to just create an hbox
+ * @label: label for the widgets; can be NULL, but for parent == NULL is ignored
+ * @source: #ESource object to which tight the refresh change; cannot be NULL
+ * @source_property: source's property name to use for a value; cannot be NULL
+ *
+ * Adds widgets to setup Refresh interval. The stored value is in minutes.
+ * Returns pointer to an HBox, which contains two widgets, spin and a combo box.
+ * Both can be accessed by g_object_get_data with a name "refresh-spin" and "refresh-combo".
+ **/
+GtkWidget *
+e_plugin_util_add_refresh (GtkWidget *parent, const gchar *label, ESource *source, const gchar *source_property)
+{
+ GtkWidget *lbl = NULL, *hbox, *spin, *combo;
+ const gchar *value;
+ gint row = -1, value_num, item_num = 0;
+
+ g_return_val_if_fail (parent == NULL || GTK_IS_TABLE (parent), NULL);
+ g_return_val_if_fail (source != NULL, NULL);
+ g_return_val_if_fail (E_IS_SOURCE (source), NULL);
+ g_return_val_if_fail (source_property != NULL, NULL);
+ g_return_val_if_fail (*source_property != 0, NULL);
+
+ if (parent)
+ row = GTK_TABLE (parent)->nrows;
+
+ value = e_source_get_property (source, source_property);
+ if (!value) {
+ value = "30";
+ e_source_set_property (source, source_property, value);
+ }
+
+ if (label && parent) {
+ lbl = gtk_label_new_with_mnemonic (label);
+ gtk_widget_show (lbl);
+ gtk_misc_set_alignment (GTK_MISC (lbl), 0.0, 0.5);
+ gtk_table_attach (GTK_TABLE (parent), lbl, 0, 1, row, row + 1, GTK_FILL, 0, 0, 0);
+ }
+
+ hbox = gtk_hbox_new (FALSE, 6);
+ gtk_widget_show (hbox);
+
+ spin = gtk_spin_button_new_with_range (0, 100, 1);
+ gtk_widget_show (spin);
+ gtk_box_pack_start (GTK_BOX (hbox), spin, FALSE, TRUE, 0);
+
+ combo = gtk_combo_box_new_text ();
+ gtk_widget_show (combo);
+ gtk_combo_box_append_text (GTK_COMBO_BOX (combo), _("minutes"));
+ gtk_combo_box_append_text (GTK_COMBO_BOX (combo), _("hours"));
+ gtk_combo_box_append_text (GTK_COMBO_BOX (combo), _("days"));
+ gtk_combo_box_append_text (GTK_COMBO_BOX (combo), _("weeks"));
+ gtk_box_pack_start (GTK_BOX (hbox), combo, FALSE, TRUE, 0);
+
+ value_num = value ? atoi (value) : 30;
+
+ if (value_num && !(value_num % 10080)) {
+ /* weeks */
+ item_num = 3;
+ value_num /= 10080;
+ } else if (value_num && !(value_num % 1440)) {
+ /* days */
+ item_num = 2;
+ value_num /= 1440;
+ } else if (value_num && !(value_num % 60)) {
+ /* hours */
+ item_num = 1;
+ value_num /= 60;
+ }
+
+ gtk_combo_box_set_active (GTK_COMBO_BOX (combo), item_num);
+ gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin), value_num);
+
+ if (lbl)
+ gtk_label_set_mnemonic_widget (GTK_LABEL (lbl), spin);
+
+ g_object_set_data_full (G_OBJECT (spin), EPU_SP_NAME, g_strdup (source_property), g_free);
+
+ g_object_set_data (G_OBJECT (combo), "refresh-spin", spin);
+ g_object_set_data (G_OBJECT (spin), "refresh-combo", combo);
+ g_object_set_data (G_OBJECT (hbox), "refresh-spin", spin);
+ g_object_set_data (G_OBJECT (hbox), "refresh-combo", combo);
+ g_signal_connect (G_OBJECT (combo), "changed", G_CALLBACK (epu_refresh_combo_changed_cb), source);
+ g_signal_connect (G_OBJECT (spin), "value-changed", G_CALLBACK (epu_refresh_spin_changed_cb), source);
+
+ if (parent)
+ gtk_table_attach (GTK_TABLE (parent), hbox, 1, 2, row, row + 1, GTK_EXPAND | GTK_FILL, 0, 0, 0);
+
+ return hbox;
+}
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