+/*

+ * Copyright (C) 2007 The MATE Foundation

+ * Written by Thomas Wood <[email protected]>

+ * Jens Granseuer <[email protected]>

+ * All Rights Reserved

+ *

+ * 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, write to the Free Software Foundation, Inc.,

+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

+ */

+

+#include "appearance.h"

+

+#include <glib/gstdio.h>

+#include <glib/gi18n.h>

+#include <string.h>

+

+#include "theme-save.h"

+#include "theme-util.h"

+#include "capplet-util.h"

+

+static GQuark error_quark;

+enum {

+ INVALID_THEME_NAME

+};

+

+/* taken from mate-desktop-item.c */

+static gchar *

+escape_string_and_dup (const gchar *s)

+{

+ gchar *return_value, *p;

+ const gchar *q;

+ int len = 0;

+

+ if (s == NULL)

+ return g_strdup("");

+

+ q = s;

+ while (*q)

+ {

+ len++;

+ if (strchr ("\n\r\t\\", *q) != NULL)

+ len++;

+ q++;

+ }

+ return_value = p = (gchar *) g_malloc (len + 1);

+ do

+ {

+ switch (*s)

+ {

+ case '\t':

+ *p++ = '\\';

+ *p++ = 't';

+ break;

+ case '\n':

+ *p++ = '\\';

+ *p++ = 'n';

+ break;

+ case '\r':

+ *p++ = '\\';

+ *p++ = 'r';

+ break;

+ case '\\':

+ *p++ = '\\';

+ *p++ = '\\';

+ break;

+ default:

+ *p++ = *s;

+ }

+ }

+ while (*s++);

+ return return_value;

+}

+

+static gboolean

+check_theme_name (const gchar *theme_name,

+ GError **error)

+{

+ if (theme_name == NULL) {

+ g_set_error (error,

+ error_quark,

+ INVALID_THEME_NAME,

+ _("Theme name must be present"));

+ return FALSE;

+ }

+ return TRUE;

+}

+

+static gchar *

+str_remove_slash (const gchar *src)

+{

+ const gchar *i;

+ gchar *rtn;

+ gint len = 0;

+ i = src;

+

+ while (*i) {

+ if (*i != '/')

+ len++;

+ i++;

+ }

+

+ rtn = (gchar *) g_malloc (len + 1);

+ while (*src) {

+ if (*src != '/') {

+ *rtn = *src;

+ rtn++;

+ }

+ src++;

+ }

+ *rtn = '\0';

+ return rtn - len;

+}

+

+static gboolean

+setup_directory_structure (const gchar *theme_name,

+ GError **error)

+{

+ gchar *dir, *theme_name_dir;

+ gboolean retval = TRUE;

+

+ theme_name_dir = str_remove_slash (theme_name);

+

+ dir = g_build_filename (g_get_home_dir (), ".themes", NULL);

+ if (!g_file_test (dir, G_FILE_TEST_EXISTS))

+ g_mkdir (dir, 0775);

+ g_free (dir);

+

+ dir = g_build_filename (g_get_home_dir (), ".themes", theme_name_dir, NULL);

+ if (!g_file_test (dir, G_FILE_TEST_EXISTS))

+ g_mkdir (dir, 0775);

+ g_free (dir);

+

+ dir = g_build_filename (g_get_home_dir (), ".themes", theme_name_dir, "index.theme", NULL);

+ g_free (theme_name_dir);

+

+ if (g_file_test (dir, G_FILE_TEST_EXISTS)) {

+ GtkDialog *dialog;

+ GtkWidget *button;

+ gint response;

+

+ dialog = (GtkDialog *) gtk_message_dialog_new (NULL,

+ GTK_DIALOG_MODAL,

+ GTK_MESSAGE_QUESTION,

+ GTK_BUTTONS_CANCEL,

+ _("The theme already exists. Would you like to replace it?"));

+ button = gtk_dialog_add_button (dialog, _("_Overwrite"), GTK_RESPONSE_ACCEPT);

+ gtk_button_set_image (GTK_BUTTON (button),

+ gtk_image_new_from_stock (GTK_STOCK_SAVE, GTK_ICON_SIZE_BUTTON));

+ response = gtk_dialog_run (dialog);

+ gtk_widget_destroy (GTK_WIDGET (dialog));

+ retval = (response != GTK_RESPONSE_CANCEL);

+ }

+ g_free (dir);

+

+ return retval;

+}

+

+static gboolean

+write_theme_to_disk (MateThemeMetaInfo *theme_info,

+ const gchar *theme_name,

+ const gchar *theme_description,

+ gboolean save_background,

+ GError **error)

+{

+ gchar* dir;

+ gchar* theme_name_dir;

+ GFile* tmp_file;

+ GFile* target_file;

+ GOutputStream* output;

+

+ gchar* str;

+ gchar* current_background;

+

+ MateConfClient* client;

+ const gchar* theme_header = ""

+ "[Desktop Entry]\n"

+ "Name=%s\n"

+ "Type=X-GNOME-Metatheme\n"

+ "Comment=%s\n"

+ "\n"

+ "[X-GNOME-Metatheme]\n"

+ "GtkTheme=%s\n"

+ "MetacityTheme=%s\n"

+ "IconTheme=%s\n";

+

+ theme_name_dir = str_remove_slash (theme_name);

+ dir = g_build_filename (g_get_home_dir (), ".themes", theme_name_dir, "index.theme~", NULL);

+ g_free (theme_name_dir);

+

+ tmp_file = g_file_new_for_path (dir);

+ dir [strlen (dir) - 1] = '\000';

+ target_file = g_file_new_for_path (dir);

+ g_free (dir);

+

+ /* start making the theme file */

+ str = g_strdup_printf(theme_header, theme_name, theme_description, theme_info->gtk_theme_name, theme_info->marco_theme_name, theme_info->icon_theme_name);

+

+ output = G_OUTPUT_STREAM (g_file_replace (tmp_file, NULL, FALSE, G_FILE_CREATE_NONE, NULL, NULL));

+ g_output_stream_write (output, str, strlen (str), NULL, NULL);

+ g_free (str);

+

+ if (theme_info->gtk_color_scheme) {

+ gchar *a, *tmp;

+ tmp = g_strdup (theme_info->gtk_color_scheme);

+ for (a = tmp; *a != '\0'; a++)

+ if (*a == '\n')

+ *a = ',';

+ str = g_strdup_printf ("GtkColorScheme=%s\n", tmp);

+ g_output_stream_write (output, str, strlen (str), NULL, NULL);

+

+ g_free (str);

+ g_free (tmp);

+ }

+

+ if (theme_info->cursor_theme_name) {

+#ifdef HAVE_XCURSOR

+ str = g_strdup_printf ("CursorTheme=%s\n"

+ "CursorSize=%i\n",

+ theme_info->cursor_theme_name,

+ theme_info->cursor_size);

+#else

+ str = g_strdup_printf ("CursorFont=%s\n", theme_info->cursor_theme_name);

+#endif

+ g_output_stream_write (output, str, strlen (str), NULL, NULL);

+ g_free (str);

+ }

+

+ if (theme_info->notification_theme_name) {

+ str = g_strdup_printf ("NotificationTheme=%s\n", theme_info->notification_theme_name);

+ g_output_stream_write (output, str, strlen (str), NULL, NULL);

+ g_free (str);

+ }

+

+ if (save_background) {

+ client = mateconf_client_get_default ();

+ current_background = mateconf_client_get_string (client, BACKGROUND_KEY, NULL);

+

+ if (current_background != NULL) {

+ str = g_strdup_printf ("BackgroundImage=%s\n", current_background);

+

+ g_output_stream_write (output, str, strlen (str), NULL, NULL);

+

+ g_free (current_background);

+ g_free (str);

+ }

+ g_object_unref (client);

+ }

+

+ g_file_move (tmp_file, target_file, G_FILE_COPY_OVERWRITE, NULL, NULL, NULL, NULL);

+ g_output_stream_close (output, NULL, NULL);

+

+ g_object_unref (tmp_file);

+ g_object_unref (target_file);

+

+ return TRUE;

+}

+

+static gboolean

+save_theme_to_disk (MateThemeMetaInfo *theme_info,

+ const gchar *theme_name,

+ const gchar *theme_description,

+ gboolean save_background,

+ GError **error)

+{

+ if (!check_theme_name (theme_name, error))

+ return FALSE;

+

+ if (!setup_directory_structure (theme_name, error))

+ return FALSE;

+

+ if (!write_theme_to_disk (theme_info, theme_name, theme_description, save_background, error))

+ return FALSE;

+

+ return TRUE;

+}

+

+static void

+save_dialog_response (GtkWidget *save_dialog,

+ gint response_id,

+ AppearanceData *data)

+{

+ if (response_id == GTK_RESPONSE_OK) {

+ GtkWidget *entry;

+ GtkWidget *text_view;

+ GtkTextBuffer *buffer;

+ GtkTextIter start_iter;

+ GtkTextIter end_iter;

+ gchar *buffer_text;

+ MateThemeMetaInfo *theme_info;

+ gchar *theme_description = NULL;

+ gchar *theme_name = NULL;

+ gboolean save_background;

+ GError *error = NULL;

+

+ entry = appearance_capplet_get_widget (data, "save_dialog_entry");

+ theme_name = escape_string_and_dup (gtk_entry_get_text (GTK_ENTRY (entry)));

+

+ text_view = appearance_capplet_get_widget (data, "save_dialog_textview");

+ buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));

+ gtk_text_buffer_get_start_iter (buffer, &start_iter);

+ gtk_text_buffer_get_end_iter (buffer, &end_iter);

+ buffer_text = gtk_text_buffer_get_text (buffer, &start_iter, &end_iter, FALSE);

+ theme_description = escape_string_and_dup (buffer_text);

+ g_free (buffer_text);

+ theme_info = (MateThemeMetaInfo *) g_object_get_data (G_OBJECT (save_dialog), "meta-theme-info");

+ save_background = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (

+ appearance_capplet_get_widget (data, "save_background_checkbutton")));

+

+ if (save_theme_to_disk (theme_info, theme_name, theme_description, save_background, &error)) {

+ /* remove the custom theme */

+ GtkTreeIter iter;

+

+ if (theme_find_in_model (GTK_TREE_MODEL (data->theme_store), "__custom__", &iter))

+ gtk_list_store_remove (data->theme_store, &iter);

+ }

+

+ g_free (theme_name);

+ g_free (theme_description);

+ g_clear_error (&error);

+ }

+

+ gtk_widget_hide (save_dialog);

+}

+

+static void

+entry_text_changed (GtkEditable *editable,

+ AppearanceData *data)

+{

+ const gchar *text;

+ GtkWidget *button;

+

+ text = gtk_entry_get_text (GTK_ENTRY (editable));

+ button = appearance_capplet_get_widget (data, "save_dialog_save_button");

+

+ gtk_widget_set_sensitive (button, text != NULL && text[0] != '\000');

+}

+

+void

+theme_save_dialog_run (MateThemeMetaInfo *theme_info,

+ AppearanceData *data)

+{

+ GtkWidget *entry;

+ GtkWidget *text_view;

+ GtkTextBuffer *text_buffer;

+

+ entry = appearance_capplet_get_widget (data, "save_dialog_entry");

+ text_view = appearance_capplet_get_widget (data, "save_dialog_textview");

+

+ if (data->theme_save_dialog == NULL) {

+ data->theme_save_dialog = appearance_capplet_get_widget (data, "theme_save_dialog");

+

+ g_signal_connect (data->theme_save_dialog, "response", (GCallback) save_dialog_response, data);

+ g_signal_connect (data->theme_save_dialog, "delete-event", (GCallback) gtk_true, NULL);

+ g_signal_connect (entry, "changed", (GCallback) entry_text_changed, data);

+

+ error_quark = g_quark_from_string ("mate-theme-save");

+ gtk_widget_set_size_request (text_view, 300, 100);

+ }

+

+ gtk_entry_set_text (GTK_ENTRY (entry), "");

+ entry_text_changed (GTK_EDITABLE (entry), data);

+ gtk_widget_grab_focus (entry);

+

+ text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));

+ gtk_text_buffer_set_text (text_buffer, "", 0);

+ g_object_set_data (G_OBJECT (data->theme_save_dialog), "meta-theme-info", theme_info);

+ gtk_window_set_transient_for (GTK_WINDOW (data->theme_save_dialog),

+ GTK_WINDOW (appearance_capplet_get_widget (data, "appearance_window")));

+ gtk_widget_show (data->theme_save_dialog);

+}