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authorChristian Persch <chpe@cvs.gnome.org>2006-08-05 23:06:23 +0800
committerChristian Persch <chpe@src.gnome.org>2006-08-05 23:06:23 +0800
commita7d77f6d5eb0e0d73c1029dd751014efc21d95df (patch)
tree64314563f2a7321b6e11721605b07096accf3397 /lib/ephy-print-utils.c
parent3fd222083b1d51093e6d736c8d657cfa9a43689f (diff)
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A lib/ephy-print-utils.c: A lib/ephy-print-utils.h:
2006-08-05 Christian Persch <chpe@cvs.gnome.org> * embed/ephy-embed-shell.c: (ephy_embed_shell_set_page_setup), (ephy_embed_shell_get_page_setup), (ephy_embed_shell_set_print_settings), (ephy_embed_shell_get_print_settings): A lib/ephy-print-utils.c: A lib/ephy-print-utils.h: * lib/ephy-string.c: (ephy_string_flags_from_string), (ephy_string_flags_to_string), (ephy_string_enum_from_string), (ephy_string_enum_to_string): * lib/ephy-string.h: Persist print settings and page setup.
Diffstat (limited to 'lib/ephy-print-utils.c')
-rw-r--r--lib/ephy-print-utils.c441
1 files changed, 441 insertions, 0 deletions
diff --git a/lib/ephy-print-utils.c b/lib/ephy-print-utils.c
new file mode 100644
index 000000000..2d306206a
--- /dev/null
+++ b/lib/ephy-print-utils.c
@@ -0,0 +1,441 @@
+/*
+ * Copyright (C) 2002 Marco Pesenti Gritti
+ *
+ * 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, 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Id$
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <glib.h>
+#include <gtk/gtktypebuiltins.h>
+
+#include "ephy-debug.h"
+#include "ephy-string.h"
+
+#include "ephy-print-utils.h"
+
+#define PRINT_SETTINGS_GROUP "Print Settings"
+#define PAGE_SETUP_GROUP "Page Setup"
+#define PAPER_SIZE_GROUP "Paper Size"
+
+#define ERROR_QUARK (g_quark_from_static_string ("ephy-print-utils-error"))
+
+/**
+ * ephy_print_utils_settings_new_from_file:
+ * @file_name: the filename to read the settings from
+ * @error:
+ *
+ * Reads the print settings from @filename. Returns a new #GtkPrintSettings
+ * object with the restored settings, or %NULL if an error occurred.
+ *
+ * Return value: the restored #GtkPrintSettings
+ *
+ * Since: 2.10
+ */
+GtkPrintSettings *
+ephy_print_utils_settings_new_from_file (const gchar *file_name,
+ GError **error)
+{
+ GtkPrintSettings *settings;
+ GKeyFile *key_file;
+
+ g_return_val_if_fail (file_name != NULL, NULL);
+
+ key_file = g_key_file_new ();
+ if (!g_key_file_load_from_file (key_file, file_name, 0, error))
+ {
+ g_key_file_free (key_file);
+ return NULL;
+ }
+
+ settings = ephy_print_utils_settings_new_from_key_file (key_file, error);
+ g_key_file_free (key_file);
+
+ return settings;
+}
+
+/**
+ * ephy_print_utils_settings_new_from_key_file:
+ * @key_file: the #GKeyFile to retrieve the settings from
+ * @error:
+ *
+ * Reads the print settings from @key_file. Returns a new #GtkPrintSettings
+ * object with the restored settings, or %NULL if an error occurred.
+ *
+ * Return value: the restored #GtkPrintSettings
+ *
+ * Since: 2.10
+ */
+GtkPrintSettings *
+ephy_print_utils_settings_new_from_key_file (GKeyFile *key_file,
+ GError **error)
+{
+ GtkPrintSettings *settings;
+ gchar **keys;
+ gsize n_keys, i;
+
+ g_return_val_if_fail (key_file != NULL, NULL);
+
+ keys = g_key_file_get_keys (key_file,
+ PRINT_SETTINGS_GROUP,
+ &n_keys,
+ error);
+ if (error)
+ return NULL;
+
+ settings = gtk_print_settings_new ();
+
+ for (i = 0 ; i < n_keys; ++i)
+ {
+ gchar *value;
+
+ value = g_key_file_get_string (key_file,
+ PRINT_SETTINGS_GROUP,
+ keys[i],
+ NULL);
+ if (!value)
+ continue;
+
+ gtk_print_settings_set (settings, keys[i], value);
+ g_free (value);
+ }
+
+ g_strfreev (keys);
+
+ return NULL;
+}
+
+/**
+ * ephy_print_utils_settings_to_file:
+ * @settings: a #GtkPrintSettings
+ * @file_name: the file to save to
+ * @error:
+ *
+ * This function saves the print settings from @settings to @file_name.
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.10
+ */
+gboolean
+ephy_print_utils_settings_to_file (GtkPrintSettings *settings,
+ const char *file_name,
+ GError **error)
+{
+ GKeyFile *keyfile;
+ gboolean retval;
+ char *data = NULL;
+ gsize len;
+
+ g_return_val_if_fail (GTK_IS_PRINT_SETTINGS (settings), FALSE);
+ g_return_val_if_fail (file_name != NULL, FALSE);
+
+ keyfile = g_key_file_new ();
+ retval = ephy_print_utils_settings_to_key_file (settings, keyfile, error);
+ if (!retval) goto out;
+
+ data = g_key_file_to_data (keyfile, &len, error);
+ if (!data) goto out;
+
+ retval = g_file_set_contents (file_name, data, len, error);
+
+out:
+ g_key_file_free (keyfile);
+ g_free (data);
+
+ return retval;
+}
+
+static void
+add_value_to_keyfile (const gchar *key,
+ const gchar *value,
+ GKeyFile *keyfile)
+{
+ g_key_file_set_string (keyfile, PRINT_SETTINGS_GROUP, key, value);
+}
+
+/**
+ * ephy_print_utils_settings_to_key_file:
+ * @settings: a #GtkPrintSettings
+ * @key_file: the #GKeyFile to save the print settings to
+ * @error:
+ *
+ * This function adds the print settings from @settings to @key_file.
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.10
+ */
+gboolean
+ephy_print_utils_settings_to_key_file (GtkPrintSettings *settings,
+ GKeyFile *key_file,
+ GError **error)
+{
+ g_return_val_if_fail (GTK_IS_PRINT_SETTINGS (settings), FALSE);
+ g_return_val_if_fail (key_file != NULL, FALSE);
+
+ gtk_print_settings_foreach (settings,
+ (GtkPrintSettingsFunc) add_value_to_keyfile,
+ key_file);
+
+ return TRUE;
+}
+
+
+
+
+
+
+
+
+/**
+ * ephy_print_utils_page_setup_new_from_file:
+ * @file_name: the filename to read the page_setup from
+ * @error:
+ *
+ * Reads the print page_setup from @filename. Returns a new #GtkPageSetup
+ * object with the restored page_setup, or %NULL if an error occurred.
+ *
+ * Return value: the restored #GtkPageSetup
+ *
+ * Since: 2.10
+ */
+GtkPageSetup *
+ephy_print_utils_page_setup_new_from_file (const gchar *file_name,
+ GError **error)
+{
+ GtkPageSetup *page_setup;
+ GKeyFile *key_file;
+
+ g_return_val_if_fail (file_name != NULL, NULL);
+
+ key_file = g_key_file_new ();
+ if (!g_key_file_load_from_file (key_file, file_name, 0, error))
+ {
+ g_key_file_free (key_file);
+ return NULL;
+ }
+
+ page_setup = ephy_print_utils_page_setup_new_from_key_file (key_file, error);
+ g_key_file_free (key_file);
+
+ return page_setup;
+}
+
+/**
+ * ephy_print_utils_page_setup_new_from_key_file:
+ * @key_file: the #GKeyFile to retrieve the page_setup from
+ * @error:
+ *
+ * Reads the print page_setup from @key_file. Returns a new #GtkPageSetup
+ * object with the restored page_setup, or %NULL if an error occurred.
+ *
+ * Return value: the restored #GtkPageSetup
+ *
+ * Since: 2.10
+ */
+GtkPageSetup *
+ephy_print_utils_page_setup_new_from_key_file (GKeyFile *key_file,
+ GError **error)
+{
+ GtkPageSetup *page_setup = NULL;
+ GtkPaperSize *paper_size;
+ gdouble width, height, top, bottom, left, right;
+ char *name, *ppd_name, *display_name, *orientation;
+ gboolean retval = TRUE;
+
+ g_return_val_if_fail (key_file != NULL, NULL);
+
+ if (!g_key_file_has_group (key_file, PAGE_SETUP_GROUP) ||
+ !g_key_file_has_group (key_file, PAPER_SIZE_GROUP)) {
+ g_set_error (error, ERROR_QUARK, 0, "Not a valid epiphany page setup file");
+ retval = FALSE;
+ goto out;
+ }
+
+#define GET_DOUBLE(kf, group, name, v) \
+v = g_key_file_get_double (kf, group, name, error); \
+if (*error != NULL) {\
+ retval = FALSE;\
+ goto out;\
+}
+
+ GET_DOUBLE (key_file, PAPER_SIZE_GROUP, "Width", width);
+ GET_DOUBLE (key_file, PAPER_SIZE_GROUP, "Height", height);
+ GET_DOUBLE (key_file, PAGE_SETUP_GROUP, "MarginTop", top);
+ GET_DOUBLE (key_file, PAGE_SETUP_GROUP, "MarginBottom", bottom);
+ GET_DOUBLE (key_file, PAGE_SETUP_GROUP, "MarginLeft", left);
+ GET_DOUBLE (key_file, PAGE_SETUP_GROUP, "MarginRight", right);
+
+#undef GET_DOUBLE
+
+ name = g_key_file_get_string (key_file, PAPER_SIZE_GROUP,
+ "Name", NULL);
+ ppd_name = g_key_file_get_string (key_file, PAPER_SIZE_GROUP,
+ "PPDName", NULL);
+ display_name = g_key_file_get_string (key_file, PAPER_SIZE_GROUP,
+ "DisplayName", NULL);
+
+ if (ppd_name != NULL) {
+ paper_size = gtk_paper_size_new_from_ppd (ppd_name, display_name,
+ width, height);
+ } else if (name != NULL) {
+ paper_size = gtk_paper_size_new_custom (name, display_name,
+ width, height, GTK_UNIT_MM);
+ } else {
+ g_set_error (error, ERROR_QUARK, 0, "Not a valid epiphany page setup file");
+ retval = FALSE;
+ goto out;
+ }
+
+ g_assert (paper_size != NULL);
+
+ page_setup = gtk_page_setup_new ();
+ gtk_page_setup_set_paper_size (page_setup, paper_size);
+ gtk_paper_size_free (paper_size);
+
+ gtk_page_setup_set_top_margin (page_setup, top, GTK_UNIT_MM);
+ gtk_page_setup_set_bottom_margin (page_setup, bottom, GTK_UNIT_MM);
+ gtk_page_setup_set_left_margin (page_setup, left, GTK_UNIT_MM);
+ gtk_page_setup_set_right_margin (page_setup, right, GTK_UNIT_MM);
+
+ orientation = g_key_file_get_string (key_file, PAGE_SETUP_GROUP,
+ "Orientation", NULL);
+ if (orientation != NULL) {
+ gtk_page_setup_set_orientation (page_setup,
+ ephy_string_enum_from_string (GTK_TYPE_PAGE_ORIENTATION,
+ orientation));
+ g_free (orientation);
+ }
+
+out:
+ g_free (name);
+ g_free (display_name);
+ g_free (ppd_name);
+
+ return page_setup;
+}
+
+/**
+ * ephy_print_utils_page_setup_to_file:
+ * @page_setup: a #GtkPageSetup
+ * @file_name: the file to save to
+ * @error:
+ *
+ * This function saves the print page_setup from @page_setup to @file_name.
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.10
+ */
+gboolean
+ephy_print_utils_page_setup_to_file (GtkPageSetup *page_setup,
+ const char *file_name,
+ GError **error)
+{
+ GKeyFile *keyfile;
+ gboolean retval;
+ char *data = NULL;
+ gsize len;
+
+ g_return_val_if_fail (GTK_IS_PAGE_SETUP (page_setup), FALSE);
+ g_return_val_if_fail (file_name != NULL, FALSE);
+
+ keyfile = g_key_file_new ();
+ retval = ephy_print_utils_page_setup_to_key_file (page_setup, keyfile, error);
+ if (!retval) goto out;
+
+ data = g_key_file_to_data (keyfile, &len, error);
+ if (!data) goto out;
+
+ retval = g_file_set_contents (file_name, data, len, error);
+
+out:
+ g_key_file_free (keyfile);
+ g_free (data);
+
+ return retval;
+}
+
+/**
+ * ephy_print_utils_page_setup_to_key_file:
+ * @page_setup: a #GtkPageSetup
+ * @key_file: the #GKeyFile to save the print page_setup to
+ * @error:
+ *
+ * This function adds the print page_setup from @page_setup to @key_file.
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.10
+ */
+gboolean
+ephy_print_utils_page_setup_to_key_file (GtkPageSetup *page_setup,
+ GKeyFile *key_file,
+ GError **error)
+{
+ GtkPaperSize *paper_size;
+ const char *name, *ppd_name, *display_name;
+ char *orientation;
+
+ g_return_val_if_fail (GTK_IS_PAGE_SETUP (page_setup), FALSE);
+ g_return_val_if_fail (key_file != NULL, FALSE);
+
+ paper_size = gtk_page_setup_get_paper_size (page_setup);
+ g_assert (paper_size != NULL);
+
+ name = gtk_paper_size_get_name (paper_size);
+ display_name = gtk_paper_size_get_display_name (paper_size);
+ ppd_name = gtk_paper_size_get_ppd_name (paper_size);
+
+ if (ppd_name != NULL) {
+ g_key_file_set_string (key_file, PAPER_SIZE_GROUP,
+ "PPDName", ppd_name);
+ } else {
+ g_key_file_set_string (key_file, PAPER_SIZE_GROUP,
+ "Name", name);
+ }
+
+ if (display_name) {
+ g_key_file_set_string (key_file, PAPER_SIZE_GROUP,
+ "DisplayName", display_name);
+ }
+
+ g_key_file_set_double (key_file, PAPER_SIZE_GROUP,
+ "Width", gtk_paper_size_get_width (paper_size, GTK_UNIT_MM));
+ g_key_file_set_double (key_file, PAPER_SIZE_GROUP,
+ "Height", gtk_paper_size_get_height (paper_size, GTK_UNIT_MM));
+
+ g_key_file_set_double (key_file, PAGE_SETUP_GROUP,
+ "MarginTop", gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM));
+ g_key_file_set_double (key_file, PAGE_SETUP_GROUP,
+ "MarginBottom", gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM));
+ g_key_file_set_double (key_file, PAGE_SETUP_GROUP,
+ "MarginLeft", gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM));
+ g_key_file_set_double (key_file, PAGE_SETUP_GROUP,
+ "MarginRight", gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM));
+
+ orientation = ephy_string_enum_to_string (GTK_TYPE_PAGE_ORIENTATION,
+ gtk_page_setup_get_orientation (page_setup));
+ g_key_file_set_string (key_file, PAGE_SETUP_GROUP,
+ "Orientation", orientation);
+ g_free (orientation);
+
+ return TRUE;
+}