inicial

1 files changed, 399 insertions, 0 deletions

diff --git a/properties/ev-properties-view.c b/properties/ev-properties-view.c
new file mode 100644
index 00000000..38a75641
--- /dev/null
+++ b/properties/ev-properties-view.c
@@ -0,0 +1,399 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/* this file is part of evince, a mate document viewer
+ *
+ *  Copyright (C) 2005 Red Hat, Inc
+ *
+ * Evince 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.
+ *
+ * Evince 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <sys/time.h>
+#include <time.h>
+
+#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
+#include <langinfo.h>
+#endif
+
+#include <glib/gi18n-lib.h>
+#include <gtk/gtk.h>
+
+#include "ev-properties-view.h"
+
+typedef enum {
+	TITLE_PROPERTY,
+	URI_PROPERTY,
+	SUBJECT_PROPERTY,
+	AUTHOR_PROPERTY,
+	KEYWORDS_PROPERTY,
+	PRODUCER_PROPERTY,
+	CREATOR_PROPERTY,
+	CREATION_DATE_PROPERTY,
+	MOD_DATE_PROPERTY,
+	N_PAGES_PROPERTY,
+	LINEARIZED_PROPERTY,
+	FORMAT_PROPERTY,
+	SECURITY_PROPERTY,
+	PAPER_SIZE_PROPERTY,
+	N_PROPERTIES
+} Property;
+
+typedef struct {
+	Property property;
+	const char *label;
+} PropertyInfo;
+
+static const PropertyInfo properties_info[] = {
+	{ TITLE_PROPERTY,         N_("Title:") },
+	{ URI_PROPERTY,           N_("Location:") },
+	{ SUBJECT_PROPERTY,       N_("Subject:") },
+	{ AUTHOR_PROPERTY,        N_("Author:") },
+	{ KEYWORDS_PROPERTY,      N_("Keywords:") },
+	{ PRODUCER_PROPERTY,      N_("Producer:") },
+	{ CREATOR_PROPERTY,       N_("Creator:") },
+	{ CREATION_DATE_PROPERTY, N_("Created:") },
+	{ MOD_DATE_PROPERTY,      N_("Modified:") },
+	{ N_PAGES_PROPERTY,       N_("Number of Pages:") },
+	{ LINEARIZED_PROPERTY,    N_("Optimized:") },
+	{ FORMAT_PROPERTY,        N_("Format:") },
+	{ SECURITY_PROPERTY,      N_("Security:") },
+	{ PAPER_SIZE_PROPERTY,    N_("Paper Size:") }
+};
+
+struct _EvPropertiesView {
+	GtkVBox base_instance;
+
+	GtkWidget *table;
+	GtkWidget *labels[N_PROPERTIES];
+	gchar     *uri;
+};
+
+struct _EvPropertiesViewClass {
+	GtkVBoxClass base_class;
+};
+
+G_DEFINE_TYPE (EvPropertiesView, ev_properties_view, GTK_TYPE_VBOX)
+
+static void
+ev_properties_view_dispose (GObject *object)
+{
+	EvPropertiesView *properties = EV_PROPERTIES_VIEW (object);
+	
+	if (properties->uri) {
+		g_free (properties->uri);
+		properties->uri = NULL;
+	}
+	
+	G_OBJECT_CLASS (ev_properties_view_parent_class)->dispose (object);
+}
+
+static void
+ev_properties_view_class_init (EvPropertiesViewClass *properties_class)
+{
+	GObjectClass *g_object_class = G_OBJECT_CLASS (properties_class);
+
+	g_object_class->dispose = ev_properties_view_dispose;
+}
+
+/* This is cut out of gconvert.c from glib (and mildly modified).  Not all
+   backends give valid UTF-8 for properties, so we make sure that is.
+ */
+static gchar *
+make_valid_utf8 (const gchar *name)
+{
+  GString *string;
+  const gchar *remainder, *invalid;
+  gint remaining_bytes, valid_bytes;
+  
+  string = NULL;
+  remainder = name;
+  remaining_bytes = strlen (name);
+  
+  while (remaining_bytes != 0) 
+    {
+      if (g_utf8_validate (remainder, remaining_bytes, &invalid)) 
+	break;
+      valid_bytes = invalid - remainder;
+    
+      if (string == NULL) 
+	string = g_string_sized_new (remaining_bytes);
+
+      g_string_append_len (string, remainder, valid_bytes);
+      g_string_append_c (string, '?');
+      
+      remaining_bytes -= valid_bytes + 1;
+      remainder = invalid + 1;
+    }
+  
+  if (string == NULL)
+    return g_strdup (name);
+  
+  g_string_append (string, remainder);
+
+  g_assert (g_utf8_validate (string->str, -1, NULL));
+  
+  return g_string_free (string, FALSE);
+}
+
+static void
+set_property (EvPropertiesView *properties,
+	      GtkTable         *table,
+	      Property          property,
+	      const gchar      *text,
+	      gint             *row)
+{
+	GtkWidget *label;
+	gchar     *markup;
+	gchar     *valid_text;
+
+	if (!properties->labels[property]) {
+		label = gtk_label_new (NULL);
+		g_object_set (G_OBJECT (label), "xalign", 0.0, NULL);
+		markup = g_strdup_printf ("<b>%s</b>", _(properties_info[property].label));
+		gtk_label_set_markup (GTK_LABEL (label), markup);
+		g_free (markup);
+
+		gtk_table_attach (table, label, 0, 1, *row, *row + 1,
+				  GTK_FILL, GTK_FILL, 0, 0);
+		gtk_widget_show (label);
+	}
+
+	if (!properties->labels[property]) {
+		label = gtk_label_new (NULL);
+
+		g_object_set (G_OBJECT (label),
+			      "xalign", 0.0,
+			      "width_chars", 25,
+			      "selectable", TRUE,
+			      "ellipsize", PANGO_ELLIPSIZE_END,
+			      NULL);
+	} else {
+		label = properties->labels[property];
+	}
+
+	if (text == NULL || text[0] == '\000') {
+		markup = g_markup_printf_escaped ("<i>%s</i>", _("None"));
+		gtk_label_set_markup (GTK_LABEL (label), markup);
+		g_free (markup);
+	} else {
+		valid_text = make_valid_utf8 (text ? text : "");
+		gtk_label_set_text (GTK_LABEL (label), valid_text);
+		g_free (valid_text);
+	}
+
+	if (!properties->labels[property]) {
+		gtk_table_attach (table, label, 1, 2, *row, *row + 1,
+				  GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
+		properties->labels[property] = label;
+	}
+
+	gtk_widget_show (label);
+
+	*row += 1;
+}
+
+static GtkUnit
+get_default_user_units (void)
+{
+	/* Translate to the default units to use for presenting
+	 * lengths to the user. Translate to default:inch if you
+	 * want inches, otherwise translate to default:mm.
+	 * Do *not* translate it to "predefinito:mm", if it
+	 * it isn't default:mm or default:inch it will not work
+	 */
+	gchar *e = _("default:mm");
+
+#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
+	gchar *imperial = NULL;
+	
+	imperial = nl_langinfo (_NL_MEASUREMENT_MEASUREMENT);
+	if (imperial && imperial[0] == 2)
+		return GTK_UNIT_INCH;  /* imperial */
+	if (imperial && imperial[0] == 1)
+		return GTK_UNIT_MM;  /* metric */
+#endif
+
+	if (strcmp (e, "default:mm") == 0)
+		return GTK_UNIT_MM;
+	if (strcmp (e, "default:inch") == 0)
+		return GTK_UNIT_INCH;
+	
+	g_warning ("Whoever translated default:mm did so wrongly.\n");
+				
+	return GTK_UNIT_MM;
+}
+
+static gdouble
+get_tolerance (gdouble size)
+{
+	if (size < 150.0f)
+		return 1.5f;
+	else if (size >= 150.0f && size <= 600.0f)
+		return 2.0f;
+	else
+		return 3.0f;
+}
+
+static char *
+ev_regular_paper_size (const EvDocumentInfo *info)
+{
+	GList *paper_sizes, *l;
+	gchar *exact_size;
+	gchar *str = NULL;
+	GtkUnit units;
+
+	units = get_default_user_units ();
+
+	if (units == GTK_UNIT_MM) {
+		exact_size = g_strdup_printf(_("%.0f × %.0f mm"),
+					     info->paper_width,
+					     info->paper_height);
+	} else {
+		exact_size = g_strdup_printf (_("%.2f × %.2f inch"),
+					      info->paper_width  / 25.4f,
+					      info->paper_height / 25.4f);
+	}
+
+	paper_sizes = gtk_paper_size_get_paper_sizes (FALSE);
+	
+	for (l = paper_sizes; l && l->data; l = g_list_next (l)) {
+		GtkPaperSize *size = (GtkPaperSize *) l->data;
+		gdouble paper_width;
+		gdouble paper_height;
+		gdouble width_tolerance;
+		gdouble height_tolerance;
+
+		paper_width = gtk_paper_size_get_width (size, GTK_UNIT_MM);
+		paper_height = gtk_paper_size_get_height (size, GTK_UNIT_MM);
+
+		width_tolerance = get_tolerance (paper_width);
+		height_tolerance = get_tolerance (paper_height);
+
+		if (ABS (info->paper_height - paper_height) <= height_tolerance &&
+		    ABS (info->paper_width  - paper_width) <= width_tolerance) {
+			/* Note to translators: first placeholder is the paper name (eg.
+			 * A4), second placeholder is the paper size (eg. 297x210 mm) */
+			str = g_strdup_printf (_("%s, Portrait (%s)"),
+					       gtk_paper_size_get_display_name (size),
+					       exact_size);
+		} else if (ABS (info->paper_width  - paper_height) <= height_tolerance &&
+			   ABS (info->paper_height - paper_width) <= width_tolerance) {
+			/* Note to translators: first placeholder is the paper name (eg.
+			 * A4), second placeholder is the paper size (eg. 297x210 mm) */
+			str = g_strdup_printf ( _("%s, Landscape (%s)"),
+						gtk_paper_size_get_display_name (size),
+						exact_size);
+		}
+	}
+
+	g_list_foreach (paper_sizes, (GFunc) gtk_paper_size_free, NULL);
+	g_list_free (paper_sizes);
+
+	if (str != NULL) {
+		g_free (exact_size);
+		return str;
+	}
+	
+	return exact_size;
+}
+
+void
+ev_properties_view_set_info (EvPropertiesView *properties, const EvDocumentInfo *info)
+{
+	GtkWidget *table;
+	gchar     *text;
+	gint       row = 0;
+
+	table = properties->table;
+
+	if (info->fields_mask & EV_DOCUMENT_INFO_TITLE) {
+		set_property (properties, GTK_TABLE (table), TITLE_PROPERTY, info->title, &row);
+	}
+	set_property (properties, GTK_TABLE (table), URI_PROPERTY, properties->uri, &row);
+	if (info->fields_mask & EV_DOCUMENT_INFO_SUBJECT) {
+		set_property (properties, GTK_TABLE (table), SUBJECT_PROPERTY, info->subject, &row);
+	}
+	if (info->fields_mask & EV_DOCUMENT_INFO_AUTHOR) {
+		set_property (properties, GTK_TABLE (table), AUTHOR_PROPERTY, info->author, &row);
+	}
+	if (info->fields_mask & EV_DOCUMENT_INFO_KEYWORDS) {
+		set_property (properties, GTK_TABLE (table), KEYWORDS_PROPERTY, info->keywords, &row);
+	}
+	if (info->fields_mask & EV_DOCUMENT_INFO_PRODUCER) {
+		set_property (properties, GTK_TABLE (table), PRODUCER_PROPERTY, info->producer, &row);
+	}
+	if (info->fields_mask & EV_DOCUMENT_INFO_CREATOR) {
+		set_property (properties, GTK_TABLE (table), CREATOR_PROPERTY, info->creator, &row);
+	}
+	if (info->fields_mask & EV_DOCUMENT_INFO_CREATION_DATE) {
+		text = ev_document_misc_format_date (info->creation_date);
+		set_property (properties, GTK_TABLE (table), CREATION_DATE_PROPERTY, text, &row);
+		g_free (text);
+	}
+	if (info->fields_mask & EV_DOCUMENT_INFO_MOD_DATE) {
+		text = ev_document_misc_format_date (info->modified_date);
+		set_property (properties, GTK_TABLE (table), MOD_DATE_PROPERTY, text, &row);
+		g_free (text);
+	}
+	if (info->fields_mask & EV_DOCUMENT_INFO_FORMAT) {
+		set_property (properties, GTK_TABLE (table), FORMAT_PROPERTY, info->format, &row);
+	}
+	if (info->fields_mask & EV_DOCUMENT_INFO_N_PAGES) {
+		text = g_strdup_printf ("%d", info->n_pages);
+		set_property (properties, GTK_TABLE (table), N_PAGES_PROPERTY, text, &row);
+		g_free (text);
+	}
+	if (info->fields_mask & EV_DOCUMENT_INFO_LINEARIZED) {
+		set_property (properties, GTK_TABLE (table), LINEARIZED_PROPERTY, info->linearized, &row);
+	}
+	if (info->fields_mask & EV_DOCUMENT_INFO_SECURITY) {
+		set_property (properties, GTK_TABLE (table), SECURITY_PROPERTY, info->security, &row);
+	}
+	if (info->fields_mask & EV_DOCUMENT_INFO_PAPER_SIZE) {
+		text = ev_regular_paper_size (info);
+		set_property (properties, GTK_TABLE (table), PAPER_SIZE_PROPERTY, text, &row);
+		g_free (text);
+	}
+}
+
+static void
+ev_properties_view_init (EvPropertiesView *properties)
+{
+	properties->table = gtk_table_new (13, 2, FALSE);
+	gtk_table_set_col_spacings (GTK_TABLE (properties->table), 12);
+	gtk_table_set_row_spacings (GTK_TABLE (properties->table), 6);
+	gtk_container_set_border_width (GTK_CONTAINER (properties->table), 12);
+	gtk_box_pack_start (GTK_BOX (properties), properties->table, 
+			    TRUE, TRUE, 0);
+	gtk_widget_show (properties->table);
+}
+
+void
+ev_properties_view_register_type (GTypeModule *module)
+{
+	ev_properties_view_get_type ();
+}
+
+GtkWidget *
+ev_properties_view_new (const gchar *uri)
+{
+	EvPropertiesView *properties;
+
+	properties = g_object_new (EV_TYPE_PROPERTIES, NULL);
+	properties->uri = g_strdup (uri);
+
+	return GTK_WIDGET (properties);
+}