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-rw-r--r--panels/printers/pp-ipp-option-widget.c524
1 files changed, 524 insertions, 0 deletions
diff --git a/panels/printers/pp-ipp-option-widget.c b/panels/printers/pp-ipp-option-widget.c
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index 0000000..ea27ad7
--- /dev/null
+++ b/panels/printers/pp-ipp-option-widget.c
@@ -0,0 +1,524 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright 2012 Red Hat, Inc,
+ *
+ * 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
+ * (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 program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Marek Kasik <mkasik@redhat.com>
+ */
+
+#include "config.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <glib/gi18n-lib.h>
+
+#include "pp-ipp-option-widget.h"
+#include "pp-utils.h"
+
+static void pp_ipp_option_widget_finalize (GObject *object);
+
+static gboolean construct_widget (PpIPPOptionWidget *self);
+static void update_widget (PpIPPOptionWidget *self);
+static void update_widget_real (PpIPPOptionWidget *self);
+
+struct _PpIPPOptionWidget
+{
+ GtkBox parent_instance;
+
+ GtkWidget *switch_button;
+ GtkWidget *spin_button;
+ GtkWidget *dropdown;
+
+ IPPAttribute *option_supported;
+ IPPAttribute *option_default;
+
+ gchar *printer_name;
+ gchar *option_name;
+
+ GHashTable *ipp_attribute;
+
+ GCancellable *cancellable;
+};
+
+G_DEFINE_TYPE (PpIPPOptionWidget, pp_ipp_option_widget, GTK_TYPE_BOX)
+
+static const struct {
+ const char *keyword;
+ const char *choice;
+ const char *translation;
+} ipp_choice_translations[] = {
+ /* Translators: this is an option of "Two Sided" */
+ { "sides", "one-sided", N_("One Sided") },
+ /* Translators: this is an option of "Two Sided" */
+ { "sides", "two-sided-long-edge", N_("Long Edge (Standard)") },
+ /* Translators: this is an option of "Two Sided" */
+ { "sides", "two-sided-short-edge", N_("Short Edge (Flip)") },
+ /* Translators: this is an option of "Orientation" */
+ { "orientation-requested", "3", N_("Portrait") },
+ /* Translators: this is an option of "Orientation" */
+ { "orientation-requested", "4", N_("Landscape") },
+ /* Translators: this is an option of "Orientation" */
+ { "orientation-requested", "5", N_("Reverse landscape") },
+ /* Translators: this is an option of "Orientation" */
+ { "orientation-requested", "6", N_("Reverse portrait") },
+};
+
+static const gchar *
+ipp_choice_translate (const gchar *option,
+ const gchar *choice)
+{
+ gint i;
+
+ for (i = 0; i < G_N_ELEMENTS (ipp_choice_translations); i++)
+ {
+ if (g_strcmp0 (ipp_choice_translations[i].keyword, option) == 0 &&
+ g_strcmp0 (ipp_choice_translations[i].choice, choice) == 0)
+ {
+ return _(ipp_choice_translations[i].translation);
+ }
+ }
+
+ return choice;
+}
+
+static void
+pp_ipp_option_widget_class_init (PpIPPOptionWidgetClass *class)
+{
+ GObjectClass *object_class;
+
+ object_class = G_OBJECT_CLASS (class);
+
+ object_class->finalize = pp_ipp_option_widget_finalize;
+}
+
+static void
+pp_ipp_option_widget_init (PpIPPOptionWidget *self)
+{
+ gtk_orientable_set_orientation (GTK_ORIENTABLE (self),
+ GTK_ORIENTATION_HORIZONTAL);
+}
+
+static void
+pp_ipp_option_widget_finalize (GObject *object)
+{
+ PpIPPOptionWidget *self = PP_IPP_OPTION_WIDGET (object);
+
+ g_cancellable_cancel (self->cancellable);
+
+ g_clear_pointer (&self->option_name, g_free);
+ g_clear_pointer (&self->printer_name, g_free);
+ g_clear_pointer (&self->option_supported, ipp_attribute_free);
+ g_clear_pointer (&self->option_default, ipp_attribute_free);
+ g_clear_pointer (&self->ipp_attribute, g_hash_table_unref);
+ g_clear_object (&self->cancellable);
+
+ G_OBJECT_CLASS (pp_ipp_option_widget_parent_class)->finalize (object);
+}
+
+GtkWidget *
+pp_ipp_option_widget_new (IPPAttribute *attr_supported,
+ IPPAttribute *attr_default,
+ const gchar *option_name,
+ const gchar *printer)
+{
+ PpIPPOptionWidget *self = NULL;
+
+ if (attr_supported && option_name && printer)
+ {
+ self = g_object_new (PP_TYPE_IPP_OPTION_WIDGET, NULL);
+
+ self->printer_name = g_strdup (printer);
+ self->option_name = g_strdup (option_name);
+ self->option_supported = ipp_attribute_copy (attr_supported);
+ self->option_default = ipp_attribute_copy (attr_default);
+
+ if (construct_widget (self))
+ {
+ update_widget_real (self);
+ }
+ else
+ {
+ g_object_ref_sink (self);
+ g_object_unref (self);
+ self = NULL;
+ }
+ }
+
+ return (GtkWidget *) self;
+}
+
+static GtkWidget *
+dropdown_new (void)
+{
+ GtkStringList *store = NULL;
+ GtkWidget *dropdown;
+
+ store = gtk_string_list_new (NULL);
+
+ dropdown = gtk_drop_down_new (G_LIST_MODEL (store), NULL);
+
+ return dropdown;
+}
+
+static void
+dropdown_append (GtkWidget *dropdown,
+ const gchar *display_text)
+{
+ GtkStringList *store;
+
+ store = GTK_STRING_LIST (gtk_drop_down_get_model (GTK_DROP_DOWN (dropdown)));
+
+ gtk_string_list_append (store, display_text);
+}
+
+static void
+dropdown_set (GtkWidget *dropdown,
+ IPPAttribute *option,
+ const gchar *value)
+{
+ g_autofree gchar *attribute_value = NULL;
+
+ for (guint i = 0; i < option->num_of_values; i++)
+ {
+ if (option->attribute_type == IPP_ATTRIBUTE_TYPE_INTEGER)
+ attribute_value = g_strdup_printf ("%d", option->attribute_values[i].integer_value);
+ else
+ attribute_value = g_strdup (option->attribute_values[i].string_value);
+
+ if (g_strcmp0 (attribute_value, value) == 0)
+ {
+ gtk_drop_down_set_selected (GTK_DROP_DOWN (dropdown), i);
+ break;
+ }
+ }
+}
+
+static char *
+dropdown_get (GtkWidget *dropdown,
+ IPPAttribute *option)
+{
+ guint selected_item;
+ gchar *value = NULL;
+
+ selected_item = gtk_drop_down_get_selected (GTK_DROP_DOWN (dropdown));
+
+ if (selected_item != GTK_INVALID_LIST_POSITION)
+ {
+ if (option->attribute_type == IPP_ATTRIBUTE_TYPE_INTEGER)
+ value = g_strdup_printf ("%d", option->attribute_values[selected_item].integer_value);
+ else
+ value = option->attribute_values[selected_item].string_value;
+ }
+
+ return value;
+}
+
+static void
+printer_add_option_async_cb (gboolean success,
+ gpointer user_data)
+{
+ PpIPPOptionWidget *self = user_data;
+
+ update_widget (user_data);
+ g_clear_object (&self->cancellable);
+}
+
+static void
+switch_changed_cb (PpIPPOptionWidget *self)
+{
+ gchar **values;
+
+ values = g_new0 (gchar *, 2);
+
+ if (gtk_switch_get_active (GTK_SWITCH (self->switch_button)))
+ values[0] = g_strdup ("True");
+ else
+ values[0] = g_strdup ("False");
+
+ g_cancellable_cancel (self->cancellable);
+ g_clear_object (&self->cancellable);
+
+ self->cancellable = g_cancellable_new ();
+ printer_add_option_async (self->printer_name,
+ self->option_name,
+ values,
+ TRUE,
+ self->cancellable,
+ printer_add_option_async_cb,
+ self);
+
+ g_strfreev (values);
+}
+
+static void
+dropdown_changed_cb (PpIPPOptionWidget *self)
+{
+ gchar **values;
+
+ values = g_new0 (gchar *, 2);
+ values[0] = g_strdup (dropdown_get (self->dropdown, self->option_supported));
+
+ g_cancellable_cancel (self->cancellable);
+ g_clear_object (&self->cancellable);
+
+ self->cancellable = g_cancellable_new ();
+ printer_add_option_async (self->printer_name,
+ self->option_name,
+ values,
+ TRUE,
+ self->cancellable,
+ printer_add_option_async_cb,
+ self);
+
+ g_strfreev (values);
+}
+
+static void
+spin_button_changed_cb (PpIPPOptionWidget *self)
+{
+ gchar **values;
+
+ values = g_new0 (gchar *, 2);
+ values[0] = g_strdup_printf ("%d", gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (self->spin_button)));
+
+ g_cancellable_cancel (self->cancellable);
+ g_clear_object (&self->cancellable);
+
+ self->cancellable = g_cancellable_new ();
+ printer_add_option_async (self->printer_name,
+ self->option_name,
+ values,
+ TRUE,
+ self->cancellable,
+ printer_add_option_async_cb,
+ self);
+
+ g_strfreev (values);
+}
+
+static gboolean
+construct_widget (PpIPPOptionWidget *self)
+{
+ gboolean trivial_option = FALSE;
+ gboolean result = FALSE;
+ gint i;
+
+ if (self->option_supported)
+ {
+ switch (self->option_supported->attribute_type)
+ {
+ case IPP_ATTRIBUTE_TYPE_INTEGER:
+ if (self->option_supported->num_of_values <= 1)
+ trivial_option = TRUE;
+ break;
+
+ case IPP_ATTRIBUTE_TYPE_STRING:
+ if (self->option_supported->num_of_values <= 1)
+ trivial_option = TRUE;
+ break;
+
+ case IPP_ATTRIBUTE_TYPE_RANGE:
+ if (self->option_supported->attribute_values[0].lower_range ==
+ self->option_supported->attribute_values[0].upper_range)
+ trivial_option = TRUE;
+ break;
+ }
+
+ if (!trivial_option)
+ {
+ switch (self->option_supported->attribute_type)
+ {
+ case IPP_ATTRIBUTE_TYPE_BOOLEAN:
+ self->switch_button = gtk_switch_new ();
+
+ gtk_box_append (GTK_BOX (self), self->switch_button);
+ g_signal_connect_object (self->switch_button, "notify::active", G_CALLBACK (switch_changed_cb), self, G_CONNECT_SWAPPED);
+ break;
+
+ case IPP_ATTRIBUTE_TYPE_INTEGER:
+ self->dropdown = dropdown_new ();
+
+ for (i = 0; i < self->option_supported->num_of_values; i++)
+ {
+ g_autofree gchar *value = NULL;
+
+ value = g_strdup_printf ("%d", self->option_supported->attribute_values[i].integer_value);
+ dropdown_append (self->dropdown,
+ ipp_choice_translate (self->option_name,
+ value));
+ }
+
+ gtk_box_append (GTK_BOX (self), self->dropdown);
+ g_signal_connect_object (self->dropdown, "notify::selected", G_CALLBACK (dropdown_changed_cb), self, G_CONNECT_SWAPPED);
+ break;
+
+ case IPP_ATTRIBUTE_TYPE_STRING:
+ self->dropdown = dropdown_new ();
+
+ for (i = 0; i < self->option_supported->num_of_values; i++)
+ dropdown_append (self->dropdown,
+ ipp_choice_translate (self->option_name,
+ self->option_supported->attribute_values[i].string_value));
+
+ gtk_box_append (GTK_BOX (self), self->dropdown);
+ g_signal_connect_object (self->dropdown, "notify::selected", G_CALLBACK (dropdown_changed_cb), self, G_CONNECT_SWAPPED);
+ break;
+
+ case IPP_ATTRIBUTE_TYPE_RANGE:
+ self->spin_button = gtk_spin_button_new_with_range (
+ self->option_supported->attribute_values[0].lower_range,
+ self->option_supported->attribute_values[0].upper_range,
+ 1);
+
+ gtk_box_append (GTK_BOX (self), self->spin_button);
+ g_signal_connect_object (self->spin_button, "value-changed", G_CALLBACK (spin_button_changed_cb), self, G_CONNECT_SWAPPED);
+ break;
+
+ default:
+ break;
+ }
+
+ result = TRUE;
+ }
+ }
+
+ return result;
+}
+
+static void
+update_widget_real (PpIPPOptionWidget *self)
+{
+ IPPAttribute *attr = NULL;
+
+ if (self->option_default)
+ {
+ attr = ipp_attribute_copy (self->option_default);
+
+ ipp_attribute_free (self->option_default);
+ self->option_default = NULL;
+ }
+ else if (self->ipp_attribute)
+ {
+ g_autofree gchar *attr_name = g_strdup_printf ("%s-default", self->option_name);
+ attr = ipp_attribute_copy (g_hash_table_lookup (self->ipp_attribute, attr_name));
+
+ g_hash_table_unref (self->ipp_attribute);
+ self->ipp_attribute = NULL;
+ }
+
+ switch (self->option_supported->attribute_type)
+ {
+ case IPP_ATTRIBUTE_TYPE_BOOLEAN:
+ g_signal_handlers_block_by_func (self->switch_button, switch_changed_cb, self);
+
+ if (attr && attr->num_of_values > 0 &&
+ attr->attribute_type == IPP_ATTRIBUTE_TYPE_BOOLEAN)
+ {
+ gtk_switch_set_active (GTK_SWITCH (self->switch_button),
+ attr->attribute_values[0].boolean_value);
+ }
+
+ g_signal_handlers_unblock_by_func (self->switch_button, switch_changed_cb, self);
+ break;
+
+ case IPP_ATTRIBUTE_TYPE_INTEGER:
+ g_signal_handlers_block_by_func (self->dropdown, dropdown_changed_cb, self);
+
+ if (attr && attr->num_of_values > 0 &&
+ attr->attribute_type == IPP_ATTRIBUTE_TYPE_INTEGER)
+ {
+ g_autofree gchar *value = g_strdup_printf ("%d", attr->attribute_values[0].integer_value);
+ dropdown_set (self->dropdown, self->option_supported, value);
+ }
+ else
+ {
+ g_autofree gchar *value = g_strdup_printf ("%d", self->option_supported->attribute_values[0].integer_value);
+ dropdown_set (self->dropdown, self->option_supported, value);
+ }
+
+ g_signal_handlers_unblock_by_func (self->dropdown, dropdown_changed_cb, self);
+ break;
+
+ case IPP_ATTRIBUTE_TYPE_STRING:
+ g_signal_handlers_block_by_func (self->dropdown, dropdown_changed_cb, self);
+
+ if (attr && attr->num_of_values > 0 &&
+ attr->attribute_type == IPP_ATTRIBUTE_TYPE_STRING)
+ {
+ dropdown_set (self->dropdown, self->option_supported, attr->attribute_values[0].string_value);
+ }
+ else
+ {
+ dropdown_set (self->dropdown, self->option_supported, self->option_supported->attribute_values[0].string_value);
+ }
+
+ g_signal_handlers_unblock_by_func (self->dropdown, dropdown_changed_cb, self);
+ break;
+
+ case IPP_ATTRIBUTE_TYPE_RANGE:
+ g_signal_handlers_block_by_func (self->spin_button, spin_button_changed_cb, self);
+
+ if (attr && attr->num_of_values > 0 &&
+ attr->attribute_type == IPP_ATTRIBUTE_TYPE_INTEGER)
+ {
+ gtk_spin_button_set_value (GTK_SPIN_BUTTON (self->spin_button),
+ attr->attribute_values[0].integer_value);
+ }
+ else
+ {
+ gtk_spin_button_set_value (GTK_SPIN_BUTTON (self->spin_button),
+ self->option_supported->attribute_values[0].lower_range);
+ }
+
+ g_signal_handlers_unblock_by_func (self->spin_button, spin_button_changed_cb, self);
+ break;
+
+ default:
+ break;
+ }
+
+ ipp_attribute_free (attr);
+}
+
+static void
+get_ipp_attributes_cb (GHashTable *table,
+ gpointer user_data)
+{
+ PpIPPOptionWidget *self = user_data;
+
+ if (self->ipp_attribute)
+ g_hash_table_unref (self->ipp_attribute);
+
+ self->ipp_attribute = g_hash_table_ref (table);
+
+ update_widget_real (self);
+}
+
+static void
+update_widget (PpIPPOptionWidget *self)
+{
+ gchar **attributes_names;
+
+ attributes_names = g_new0 (gchar *, 2);
+ attributes_names[0] = g_strdup_printf ("%s-default", self->option_name);
+
+ get_ipp_attributes_async (self->printer_name,
+ attributes_names,
+ get_ipp_attributes_cb,
+ self);
+
+ g_strfreev (attributes_names);
+}
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