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/*
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* Copyright (C) 2010 Marco Diego Aurélio Mesquita
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Authors:
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* Marco Diego Aurélio Mesquita <marcodiegomesquita@gmail.com>
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*/
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#include <config.h>
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#include <gladeui/glade.h>
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#include <stdlib.h>
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#include <locale.h>
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#include <glib/gi18n-lib.h>
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#include <glib/gstdio.h>
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#include "glade-previewer.h"
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#include "glade-preview-template.h"
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#include "glade-preview-tokens.h"
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typedef struct
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{
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GladePreviewer *preview;
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gchar *file_name, *toplevel;
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gboolean is_template;
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} GladePreviewerApp;
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static GObject *
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get_toplevel (GtkBuilder *builder, gchar *name)
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{
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GObject *toplevel = NULL;
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GObject *object;
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if (name == NULL)
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{
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GSList *l, *objects = gtk_builder_get_objects (builder);
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/* Iterate trough objects and search for a window or widget */
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for (l = objects; l; l = g_slist_next (l))
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{
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GObject *obj = l->data;
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if (!GTK_IS_WIDGET (obj) || gtk_widget_get_parent (GTK_WIDGET (obj)))
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continue;
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if (toplevel == NULL)
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toplevel = obj;
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else if (GTK_IS_WINDOW (obj))
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toplevel = obj;
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}
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g_slist_free (objects);
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if (toplevel == NULL)
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{
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g_printerr (_("UI definition has no previewable widgets.\n"));
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exit (1);
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}
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}
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else
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{
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object = gtk_builder_get_object (builder, name);
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if (object == NULL)
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{
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g_printerr (_("Object %s not found in UI definition.\n"), name);
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exit (1);
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}
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if (!GTK_IS_WIDGET (object))
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{
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g_printerr (_("Object is not previewable.\n"));
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exit (1);
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}
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toplevel = object;
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}
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return g_object_ref_sink (toplevel);
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}
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static GObject *
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get_toplevel_from_string (GladePreviewerApp *app, gchar *name, gchar *string, gsize size)
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{
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gchar *wd = NULL;
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GObject *retval = NULL;
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/* We need to change the working directory so builder get a chance to load resources */
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if (app->file_name)
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{
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gchar *dirname = g_path_get_dirname (app->file_name);
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wd = g_get_current_dir ();
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g_chdir (dirname);
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g_free (dirname);
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}
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/* We use template flag as a hint since the user can turn on and off template
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* while the preview is live.
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*/
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if (app->is_template)
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retval = glade_preview_template_object_new (string, size,
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glade_previewer_connect_function,
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app->preview);
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if (!retval)
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{
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GtkBuilder *builder = gtk_builder_new ();
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GError *error = NULL;
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/* We do not know if its a template yet */
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app->is_template = FALSE;
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if (gtk_builder_add_from_string (builder, string, size, &error))
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{
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gtk_builder_connect_signals_full (builder,
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glade_previewer_connect_function,
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app->preview);
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retval = get_toplevel (builder, name);
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}
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else
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{
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if (error->code == GTK_BUILDER_ERROR_UNHANDLED_TAG &&
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(retval = glade_preview_template_object_new (string, size,
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glade_previewer_connect_function,
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app->preview)))
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{
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/* At this point we know it is a template, so keep a hint for next time */
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app->is_template = TRUE;
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}
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else
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{
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gchar *message = g_strdup_printf (_("Couldn't load builder definition: %s"), error->message);
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glade_previewer_set_message (app->preview, GTK_MESSAGE_ERROR, message);
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g_free (message);
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}
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g_error_free (error);
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}
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g_object_unref (builder);
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}
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/* restore directory */
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if (wd)
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{
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g_chdir (wd);
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g_free (wd);
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}
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return retval;
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}
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static gchar *
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read_buffer (GIOChannel * source)
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{
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gchar *buffer;
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gchar *token;
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gchar *tmp;
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GError *error = NULL;
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if (g_io_channel_read_line (source, &token, NULL, NULL, &error) !=
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G_IO_STATUS_NORMAL)
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{
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g_printerr (_("Error: %s.\n"), error->message);
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g_error_free (error);
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exit (1);
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}
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/* Check for quit token */
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if (g_strcmp0 (QUIT_TOKEN, token) == 0)
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{
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g_free (token);
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return NULL;
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}
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/* Loop to load the UI */
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buffer = g_strdup (token);
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do
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{
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g_free (token);
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if (g_io_channel_read_line (source, &token, NULL, NULL, &error) !=
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G_IO_STATUS_NORMAL)
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{
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g_printerr (_("Error: %s.\n"), error->message);
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g_error_free (error);
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exit (1);
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}
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tmp = buffer;
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buffer = g_strconcat (buffer, token, NULL);
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g_free (tmp);
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}
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while (g_strcmp0 ("</interface>\n", token) != 0);
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g_free (token);
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return buffer;
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}
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static gboolean
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on_data_incoming (GIOChannel *source, GIOCondition condition, gpointer data)
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{
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GladePreviewerApp *app = data;
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GObject *new_widget;
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gchar *buffer;
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buffer = read_buffer (source);
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if (buffer == NULL)
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{
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gtk_main_quit ();
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return FALSE;
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}
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if (condition & G_IO_HUP)
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{
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g_printerr (_("Broken pipe!\n"));
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exit (1);
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}
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1e8aac |
|
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/* We have an update */
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if (g_str_has_prefix (buffer, UPDATE_TOKEN))
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{
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gchar **split_buffer = g_strsplit_set (buffer + UPDATE_TOKEN_SIZE, "\n", 2);
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1e8aac |
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if (!split_buffer)
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{
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Packit |
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g_free (buffer);
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return FALSE;
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}
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1e8aac |
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new_widget = get_toplevel_from_string (app, split_buffer[0], split_buffer[1], -1);
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1e8aac |
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Packit |
1e8aac |
g_strfreev (split_buffer);
|
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Packit |
1e8aac |
}
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else
|
|
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{
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1e8aac |
new_widget = get_toplevel_from_string (app, app->toplevel, buffer, -1);
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Packit |
1e8aac |
}
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1e8aac |
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if (new_widget)
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{
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Packit |
1e8aac |
glade_previewer_set_widget (app->preview, GTK_WIDGET (new_widget));
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Packit |
1e8aac |
gtk_widget_show (GTK_WIDGET (new_widget));
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Packit |
1e8aac |
}
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Packit |
1e8aac |
|
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1e8aac |
glade_previewer_present (app->preview);
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Packit |
1e8aac |
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Packit |
1e8aac |
g_free (buffer);
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Packit |
1e8aac |
|
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Packit |
1e8aac |
return TRUE;
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Packit |
1e8aac |
}
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1e8aac |
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1e8aac |
static GladePreviewerApp *
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1e8aac |
glade_previewer_app_new (gchar *filename, gchar *toplevel)
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
GladePreviewerApp *app = g_new0 (GladePreviewerApp, 1);
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Packit |
1e8aac |
|
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Packit |
1e8aac |
app->preview = GLADE_PREVIEWER (glade_previewer_new ());
|
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Packit |
1e8aac |
g_object_ref_sink (app->preview);
|
|
Packit |
1e8aac |
|
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Packit |
1e8aac |
app->file_name = g_strdup (filename);
|
|
Packit |
1e8aac |
app->toplevel = g_strdup (toplevel);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
return app;
|
|
Packit |
1e8aac |
}
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|
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1e8aac |
|
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Packit |
1e8aac |
static void
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1e8aac |
glade_previewer_free (GladePreviewerApp *app)
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
g_object_unref (app->preview);
|
|
Packit |
1e8aac |
g_free (app->file_name);
|
|
Packit |
1e8aac |
g_free (app->toplevel);
|
|
Packit |
1e8aac |
g_free (app);
|
|
Packit |
1e8aac |
}
|
|
Packit |
1e8aac |
|
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Packit |
1e8aac |
static gboolean listen = FALSE;
|
|
Packit |
1e8aac |
static gboolean version = FALSE;
|
|
Packit |
1e8aac |
static gboolean slideshow = FALSE;
|
|
Packit |
1e8aac |
static gboolean template = FALSE;
|
|
Packit |
1e8aac |
static gboolean print_handler = FALSE;
|
|
Packit |
1e8aac |
static gchar *file_name = NULL;
|
|
Packit |
1e8aac |
static gchar *toplevel_name = NULL;
|
|
Packit |
1e8aac |
static gchar *css_file_name = NULL;
|
|
Packit |
1e8aac |
static gchar *screenshot_file_name = NULL;
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
static GOptionEntry option_entries[] =
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
{"filename", 'f', 0, G_OPTION_ARG_FILENAME, &file_name, N_("Name of the file to preview"), "FILENAME"},
|
|
Packit |
1e8aac |
{"template", 0, 0, G_OPTION_ARG_NONE, &template, N_("Creates dummy widget class to load a template"), NULL},
|
|
Packit |
1e8aac |
{"toplevel", 't', 0, G_OPTION_ARG_STRING, &toplevel_name, N_("Name of the toplevel to preview"), "TOPLEVELNAME"},
|
|
Packit |
1e8aac |
{"screenshot", 0, 0, G_OPTION_ARG_FILENAME, &screenshot_file_name, N_("File name to save a screenshot"), NULL},
|
|
Packit |
1e8aac |
{"css", 0, 0, G_OPTION_ARG_FILENAME, &css_file_name, N_("CSS file to use"), NULL},
|
|
Packit |
1e8aac |
{"listen", 'l', 0, G_OPTION_ARG_NONE, &listen, N_("Listen standard input"), NULL},
|
|
Packit |
1e8aac |
{"slideshow", 0, 0, G_OPTION_ARG_NONE, &slideshow, N_("make a slideshow of every toplevel widget by adding them in a GtkStack"), NULL},
|
|
Packit |
1e8aac |
{"print-handler", 0, 0, G_OPTION_ARG_NONE, &print_handler, N_("Print handlers signature on invocation"), NULL},
|
|
Packit |
1e8aac |
{"version", 'v', 0, G_OPTION_ARG_NONE, &version, N_("Display previewer version"), NULL},
|
|
Packit |
1e8aac |
{NULL}
|
|
Packit |
1e8aac |
};
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
int
|
|
Packit |
1e8aac |
main (int argc, char **argv)
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
GladePreviewerApp *app;
|
|
Packit |
1e8aac |
GOptionContext *context;
|
|
Packit |
1e8aac |
GError *error = NULL;
|
|
Packit |
1e8aac |
GObject *toplevel = NULL;
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
#ifdef ENABLE_NLS
|
|
Packit |
1e8aac |
setlocale (LC_ALL, "");
|
|
Packit |
1e8aac |
bindtextdomain (GETTEXT_PACKAGE, glade_app_get_locale_dir ());
|
|
Packit |
1e8aac |
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
|
|
Packit |
1e8aac |
textdomain (GETTEXT_PACKAGE);
|
|
Packit |
1e8aac |
#endif
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
context = g_option_context_new (_("- previews a glade UI definition"));
|
|
Packit |
1e8aac |
g_option_context_add_main_entries (context, option_entries, GETTEXT_PACKAGE);
|
|
Packit |
1e8aac |
g_option_context_add_group (context, gtk_get_option_group (TRUE));
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
if (!g_option_context_parse (context, &argc, &argv, &error))
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
g_printerr (_("%s\nRun '%s --help' to see a full list of available command line "
|
|
Packit |
1e8aac |
"options.\n"), error->message, argv[0]);
|
|
Packit |
1e8aac |
g_error_free (error);
|
|
Packit |
1e8aac |
g_option_context_free (context);
|
|
Packit |
1e8aac |
return 1;
|
|
Packit |
1e8aac |
}
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
g_option_context_free (context);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
if (version)
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
g_print ("glade-previewer " VERSION "\n");
|
|
Packit |
1e8aac |
return 0;
|
|
Packit |
1e8aac |
}
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
if (!listen && !file_name)
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
g_printerr (_("Either --listen or --filename must be specified.\n"));
|
|
Packit |
1e8aac |
return 0;
|
|
Packit |
1e8aac |
}
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
gtk_init (&argc, &argv);
|
|
Packit |
1e8aac |
glade_app_get ();
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
app = glade_previewer_app_new (file_name, toplevel_name);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
app->is_template = template;
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
if (print_handler)
|
|
Packit |
1e8aac |
glade_previewer_set_print_handlers (GLADE_PREVIEWER (app->preview), TRUE);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
if (css_file_name)
|
|
Packit |
1e8aac |
glade_previewer_set_css_file (app->preview, css_file_name);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
if (listen)
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
#ifdef WINDOWS
|
|
Packit |
1e8aac |
GIOChannel *input = g_io_channel_win32_new_fd (fileno (stdin));
|
|
Packit |
1e8aac |
#else
|
|
Packit |
1e8aac |
GIOChannel *input = g_io_channel_unix_new (fileno (stdin));
|
|
Packit |
1e8aac |
#endif
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
g_io_add_watch (input, G_IO_IN | G_IO_HUP, on_data_incoming, app);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
gtk_main ();
|
|
Packit |
1e8aac |
}
|
|
Packit |
1e8aac |
else if (template)
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
gchar *contents = NULL;
|
|
Packit |
1e8aac |
gsize size;
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
if (g_file_get_contents (file_name, &contents, &size, NULL))
|
|
Packit |
1e8aac |
toplevel = get_toplevel_from_string (app, NULL, contents, size);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
g_free (contents);
|
|
Packit |
1e8aac |
}
|
|
Packit |
1e8aac |
else if (file_name)
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
GtkBuilder *builder = gtk_builder_new ();
|
|
Packit |
1e8aac |
GError *error = NULL;
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
/* Use from_file() function gives builder a chance to know where to load resources from */
|
|
Packit |
1e8aac |
if (!gtk_builder_add_from_file (builder, app->file_name, &error))
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
g_printerr (_("Couldn't load builder definition: %s"), error->message);
|
|
Packit |
1e8aac |
g_error_free (error);
|
|
Packit |
1e8aac |
return 1;
|
|
Packit |
1e8aac |
}
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
if (slideshow)
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
GSList *objects = gtk_builder_get_objects (builder);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
glade_previewer_set_slideshow_widgets (app->preview, objects);
|
|
Packit |
1e8aac |
glade_previewer_present (app->preview);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
if (screenshot_file_name)
|
|
Packit |
1e8aac |
glade_previewer_slideshow_save (app->preview, screenshot_file_name);
|
|
Packit |
1e8aac |
else
|
|
Packit |
1e8aac |
gtk_main ();
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
g_slist_free (objects);
|
|
Packit |
1e8aac |
}
|
|
Packit |
1e8aac |
else
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
toplevel = get_toplevel (builder, toplevel_name);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
gtk_builder_connect_signals_full (builder,
|
|
Packit |
1e8aac |
glade_previewer_connect_function,
|
|
Packit |
1e8aac |
app->preview);
|
|
Packit |
1e8aac |
}
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
g_object_unref (builder);
|
|
Packit |
1e8aac |
}
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
if (toplevel)
|
|
Packit |
1e8aac |
{
|
|
Packit |
1e8aac |
glade_previewer_set_widget (app->preview, GTK_WIDGET (toplevel));
|
|
Packit |
1e8aac |
g_object_unref (toplevel);
|
|
Packit |
1e8aac |
glade_previewer_present (app->preview);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
if (screenshot_file_name)
|
|
Packit |
1e8aac |
glade_previewer_screenshot (app->preview, TRUE, screenshot_file_name);
|
|
Packit |
1e8aac |
else
|
|
Packit |
1e8aac |
gtk_main ();
|
|
Packit |
1e8aac |
}
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
/* free unused resources */
|
|
Packit |
1e8aac |
g_free (file_name);
|
|
Packit |
1e8aac |
g_free (toplevel_name);
|
|
Packit |
1e8aac |
g_free (css_file_name);
|
|
Packit |
1e8aac |
g_free (screenshot_file_name);
|
|
Packit |
1e8aac |
glade_previewer_free (app);
|
|
Packit |
1e8aac |
|
|
Packit |
1e8aac |
return 0;
|
|
Packit |
1e8aac |
}
|