xed/plugins/docinfo/xed-docinfo-plugin.c

564 lines
16 KiB
C

/*
* xed-docinfo-plugin.c
*
* Copyright (C) 2002-2005 Paolo Maggi
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "xed-docinfo-plugin.h"
#include <string.h> /* For strlen (...) */
#include <glib/gi18n.h>
#include <pango/pango-break.h>
#include <gmodule.h>
#include <xed/xed-window.h>
#include <xed/xed-window-activatable.h>
#include <xed/xed-debug.h>
#include <xed/xed-utils.h>
#define MENU_PATH "/MenuBar/ToolsMenu/ToolsOps_2"
struct _XedDocInfoPluginPrivate
{
XedWindow *window;
GtkActionGroup *action_group;
guint ui_id;
GtkWidget *dialog;
GtkWidget *file_name_label;
GtkWidget *lines_label;
GtkWidget *words_label;
GtkWidget *chars_label;
GtkWidget *chars_ns_label;
GtkWidget *bytes_label;
GtkWidget *selection_vbox;
GtkWidget *selected_lines_label;
GtkWidget *selected_words_label;
GtkWidget *selected_chars_label;
GtkWidget *selected_chars_ns_label;
GtkWidget *selected_bytes_label;
};
enum
{
PROP_0,
PROP_WINDOW
};
static void xed_window_activatable_iface_init (XedWindowActivatableInterface *iface);
G_DEFINE_DYNAMIC_TYPE_EXTENDED (XedDocInfoPlugin,
xed_docinfo_plugin,
PEAS_TYPE_EXTENSION_BASE,
0,
G_IMPLEMENT_INTERFACE_DYNAMIC (XED_TYPE_WINDOW_ACTIVATABLE,
xed_window_activatable_iface_init))
static void
calculate_info (XedDocument *doc,
GtkTextIter *start,
GtkTextIter *end,
gint *chars,
gint *words,
gint *white_chars,
gint *bytes)
{
gchar *text;
xed_debug (DEBUG_PLUGINS);
text = gtk_text_buffer_get_slice (GTK_TEXT_BUFFER (doc), start, end, TRUE);
*chars = g_utf8_strlen (text, -1);
*bytes = strlen (text);
if (*chars > 0)
{
PangoLogAttr *attrs;
gint i;
attrs = g_new0 (PangoLogAttr, *chars + 1);
pango_get_log_attrs (text, -1, 0, pango_language_from_string ("C"), attrs, *chars + 1);
for (i = 0; i < (*chars); i++)
{
if (attrs[i].is_white)
{
++(*white_chars);
}
if (attrs[i].is_word_start)
{
++(*words);
}
}
g_free (attrs);
}
else
{
*white_chars = 0;
*words = 0;
}
g_free (text);
}
static void
update_document_info (XedDocInfoPlugin *plugin,
XedDocument *doc)
{
XedDocInfoPluginPrivate *priv;
GtkTextIter start, end;
gint words = 0;
gint chars = 0;
gint white_chars = 0;
gint lines = 0;
gint bytes = 0;
gchar *tmp_str;
gchar *doc_name;
xed_debug (DEBUG_PLUGINS);
priv = plugin->priv;
gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (doc), &start, &end);
lines = gtk_text_buffer_get_line_count (GTK_TEXT_BUFFER (doc));
calculate_info (doc, &start, &end, &chars, &words, &white_chars, &bytes);
if (chars == 0)
{
lines = 0;
}
xed_debug_message (DEBUG_PLUGINS, "Chars: %d", chars);
xed_debug_message (DEBUG_PLUGINS, "Lines: %d", lines);
xed_debug_message (DEBUG_PLUGINS, "Words: %d", words);
xed_debug_message (DEBUG_PLUGINS, "Chars non-space: %d", chars - white_chars);
xed_debug_message (DEBUG_PLUGINS, "Bytes: %d", bytes);
doc_name = xed_document_get_short_name_for_display (doc);
tmp_str = g_strdup_printf ("<span weight=\"bold\">%s</span>", doc_name);
gtk_label_set_markup (GTK_LABEL (priv->file_name_label), tmp_str);
g_free (doc_name);
g_free (tmp_str);
tmp_str = g_strdup_printf("%d", lines);
gtk_label_set_text (GTK_LABEL (priv->lines_label), tmp_str);
g_free (tmp_str);
tmp_str = g_strdup_printf("%d", words);
gtk_label_set_text (GTK_LABEL (priv->words_label), tmp_str);
g_free (tmp_str);
tmp_str = g_strdup_printf("%d", chars);
gtk_label_set_text (GTK_LABEL (priv->chars_label), tmp_str);
g_free (tmp_str);
tmp_str = g_strdup_printf("%d", chars - white_chars);
gtk_label_set_text (GTK_LABEL (priv->chars_ns_label), tmp_str);
g_free (tmp_str);
tmp_str = g_strdup_printf("%d", bytes);
gtk_label_set_text (GTK_LABEL (priv->bytes_label), tmp_str);
g_free (tmp_str);
}
static void
update_selection_info (XedDocInfoPlugin *plugin,
XedDocument *doc)
{
XedDocInfoPluginPrivate *priv;
gboolean sel;
GtkTextIter start, end;
gint words = 0;
gint chars = 0;
gint white_chars = 0;
gint lines = 0;
gint bytes = 0;
gchar *tmp_str;
xed_debug (DEBUG_PLUGINS);
priv = plugin->priv;
sel = gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (doc), &start, &end);
if (sel)
{
lines = gtk_text_iter_get_line (&end) - gtk_text_iter_get_line (&start) + 1;
calculate_info (doc, &start, &end, &chars, &words, &white_chars, &bytes);
xed_debug_message (DEBUG_PLUGINS, "Selected chars: %d", chars);
xed_debug_message (DEBUG_PLUGINS, "Selected lines: %d", lines);
xed_debug_message (DEBUG_PLUGINS, "Selected words: %d", words);
xed_debug_message (DEBUG_PLUGINS, "Selected chars non-space: %d", chars - white_chars);
xed_debug_message (DEBUG_PLUGINS, "Selected bytes: %d", bytes);
gtk_widget_set_sensitive (priv->selection_vbox, TRUE);
}
else
{
gtk_widget_set_sensitive (priv->selection_vbox, FALSE);
xed_debug_message (DEBUG_PLUGINS, "Selection empty");
}
if (chars == 0)
{
lines = 0;
}
tmp_str = g_strdup_printf("%d", lines);
gtk_label_set_text (GTK_LABEL (priv->selected_lines_label), tmp_str);
g_free (tmp_str);
tmp_str = g_strdup_printf("%d", words);
gtk_label_set_text (GTK_LABEL (priv->selected_words_label), tmp_str);
g_free (tmp_str);
tmp_str = g_strdup_printf("%d", chars);
gtk_label_set_text (GTK_LABEL (priv->selected_chars_label), tmp_str);
g_free (tmp_str);
tmp_str = g_strdup_printf("%d", chars - white_chars);
gtk_label_set_text (GTK_LABEL (priv->selected_chars_ns_label), tmp_str);
g_free (tmp_str);
tmp_str = g_strdup_printf("%d", bytes);
gtk_label_set_text (GTK_LABEL (priv->selected_bytes_label), tmp_str);
g_free (tmp_str);
}
static void
docinfo_dialog_response_cb (GtkDialog *widget,
gint res_id,
XedDocInfoPlugin *plugin)
{
XedDocInfoPluginPrivate *priv;
priv = plugin->priv;
switch (res_id)
{
case GTK_RESPONSE_CLOSE:
{
xed_debug_message (DEBUG_PLUGINS, "GTK_RESPONSE_CLOSE");
gtk_widget_destroy (priv->dialog);
break;
}
case GTK_RESPONSE_OK:
{
XedDocument *doc;
xed_debug_message (DEBUG_PLUGINS, "GTK_RESPONSE_OK");
doc = xed_window_get_active_document (priv->window);
update_document_info (plugin, doc);
update_selection_info (plugin, doc);
break;
}
}
}
static void
create_docinfo_dialog (XedDocInfoPlugin *plugin)
{
XedDocInfoPluginPrivate *priv;
gchar *data_dir;
gchar *ui_file;
GtkWidget *content;
GtkWidget *error_widget;
gboolean ret;
xed_debug (DEBUG_PLUGINS);
priv = plugin->priv;
data_dir = peas_extension_base_get_data_dir (PEAS_EXTENSION_BASE (plugin));
ui_file = g_build_filename (data_dir, "docinfo.ui", NULL);
ret = xed_utils_get_ui_objects (ui_file,
NULL,
&error_widget,
"dialog", &priv->dialog,
"docinfo_dialog_content", &content,
"file_name_label", &priv->file_name_label,
"words_label", &priv->words_label,
"bytes_label", &priv->bytes_label,
"lines_label", &priv->lines_label,
"chars_label", &priv->chars_label,
"chars_ns_label", &priv->chars_ns_label,
"selection_vbox", &priv->selection_vbox,
"selected_words_label", &priv->selected_words_label,
"selected_bytes_label", &priv->selected_bytes_label,
"selected_lines_label", &priv->selected_lines_label,
"selected_chars_label", &priv->selected_chars_label,
"selected_chars_ns_label", &priv->selected_chars_ns_label,
NULL);
g_free (data_dir);
g_free (ui_file);
if (!ret)
{
const gchar *err_message;
err_message = gtk_label_get_label (GTK_LABEL (error_widget));
xed_warning (GTK_WINDOW (priv->window), "%s", err_message);
gtk_widget_destroy (error_widget);
return;
}
gtk_dialog_set_default_response (GTK_DIALOG (priv->dialog), GTK_RESPONSE_OK);
gtk_window_set_transient_for (GTK_WINDOW (priv->dialog), GTK_WINDOW (priv->window));
g_signal_connect (priv->dialog, "destroy",
G_CALLBACK (gtk_widget_destroyed), &priv->dialog);
g_signal_connect (priv->dialog, "response",
G_CALLBACK (docinfo_dialog_response_cb), plugin);
}
static void
docinfo_cb (GtkAction *action,
XedDocInfoPlugin *plugin)
{
XedDocInfoPluginPrivate *priv;
XedDocument *doc;
xed_debug (DEBUG_PLUGINS);
priv = plugin->priv;
doc = xed_window_get_active_document (priv->window);
if (priv->dialog != NULL)
{
gtk_window_present (GTK_WINDOW (priv->dialog));
gtk_widget_grab_focus (GTK_WIDGET (priv->dialog));
}
else
{
create_docinfo_dialog (plugin);
gtk_widget_show (GTK_WIDGET (priv->dialog));
}
update_document_info (plugin, doc);
update_selection_info (plugin, doc);
}
static const GtkActionEntry action_entries[] =
{
{ "DocumentStatistics",
NULL,
N_("_Document Statistics"),
NULL,
N_("Get statistical information on the current document"),
G_CALLBACK (docinfo_cb) }
};
static void
xed_docinfo_plugin_init (XedDocInfoPlugin *plugin)
{
xed_debug_message (DEBUG_PLUGINS, "XedDocInfoPlugin initializing");
plugin->priv = G_TYPE_INSTANCE_GET_PRIVATE (plugin, XED_TYPE_DOCINFO_PLUGIN, XedDocInfoPluginPrivate);
}
static void
xed_docinfo_plugin_dispose (GObject *object)
{
XedDocInfoPlugin *plugin = XED_DOCINFO_PLUGIN (object);
xed_debug_message (DEBUG_PLUGINS, "XedDocInfoPlugin dispose");
g_clear_object (&plugin->priv->action_group);
g_clear_object (&plugin->priv->window);
G_OBJECT_CLASS (xed_docinfo_plugin_parent_class)->dispose (object);
}
static void
xed_docinfo_plugin_finalize (GObject *object)
{
xed_debug_message (DEBUG_PLUGINS, "XedDocInfoPlugin finalizing");
G_OBJECT_CLASS (xed_docinfo_plugin_parent_class)->finalize (object);
}
static void
xed_docinfo_plugin_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
XedDocInfoPlugin *plugin = XED_DOCINFO_PLUGIN (object);
switch (prop_id)
{
case PROP_WINDOW:
plugin->priv->window = XED_WINDOW (g_value_dup_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
xed_docinfo_plugin_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
XedDocInfoPlugin *plugin = XED_DOCINFO_PLUGIN (object);
switch (prop_id)
{
case PROP_WINDOW:
g_value_set_object (value, plugin->priv->window);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
update_ui (XedDocInfoPlugin *plugin)
{
XedDocInfoPluginPrivate *priv;
XedView *view;
xed_debug (DEBUG_PLUGINS);
priv = plugin->priv;
view = xed_window_get_active_view (priv->window);
gtk_action_group_set_sensitive (priv->action_group, (view != NULL));
if (priv->dialog != NULL)
{
gtk_dialog_set_response_sensitive (GTK_DIALOG (priv->dialog), GTK_RESPONSE_OK, (view != NULL));
}
}
static void
xed_docinfo_plugin_activate (XedWindowActivatable *activatable)
{
XedDocInfoPluginPrivate *priv;
GtkUIManager *manager;
xed_debug (DEBUG_PLUGINS);
priv = XED_DOCINFO_PLUGIN (activatable)->priv;
manager = xed_window_get_ui_manager (priv->window);
priv->action_group = gtk_action_group_new ("XedDocinfoPluginActions");
gtk_action_group_set_translation_domain (priv->action_group, GETTEXT_PACKAGE);
gtk_action_group_add_actions (priv->action_group, action_entries, G_N_ELEMENTS (action_entries), activatable);
gtk_ui_manager_insert_action_group (manager, priv->action_group, -1);
priv->ui_id = gtk_ui_manager_new_merge_id (manager);
gtk_ui_manager_add_ui (manager,
priv->ui_id,
MENU_PATH,
"DocumentStatistics",
"DocumentStatistics",
GTK_UI_MANAGER_MENUITEM,
FALSE);
update_ui (XED_DOCINFO_PLUGIN (activatable));
}
static void
xed_docinfo_plugin_deactivate (XedWindowActivatable *activatable)
{
XedDocInfoPluginPrivate *priv;
GtkUIManager *manager;
xed_debug (DEBUG_PLUGINS);
priv = XED_DOCINFO_PLUGIN (activatable)->priv;
manager = xed_window_get_ui_manager (priv->window);
gtk_ui_manager_remove_ui (manager, priv->ui_id);
gtk_ui_manager_remove_action_group (manager, priv->action_group);
}
static void
xed_docinfo_plugin_update_state (XedWindowActivatable *activatable)
{
xed_debug (DEBUG_PLUGINS);
update_ui (XED_DOCINFO_PLUGIN (activatable));
}
static void
xed_docinfo_plugin_class_init (XedDocInfoPluginClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = xed_docinfo_plugin_dispose;
object_class->finalize = xed_docinfo_plugin_finalize;
object_class->set_property = xed_docinfo_plugin_set_property;
object_class->get_property = xed_docinfo_plugin_get_property;
g_object_class_override_property (object_class, PROP_WINDOW, "window");
g_type_class_add_private (klass, sizeof (XedDocInfoPluginPrivate));
}
static void
xed_window_activatable_iface_init (XedWindowActivatableInterface *iface)
{
iface->activate = xed_docinfo_plugin_activate;
iface->deactivate = xed_docinfo_plugin_deactivate;
iface->update_state = xed_docinfo_plugin_update_state;
}
static void
xed_docinfo_plugin_class_finalize (XedDocInfoPluginClass *klass)
{
}
G_MODULE_EXPORT void
peas_register_types (PeasObjectModule *module)
{
xed_docinfo_plugin_register_type (G_TYPE_MODULE (module));
peas_object_module_register_extension_type (module,
XED_TYPE_WINDOW_ACTIVATABLE,
XED_TYPE_DOCINFO_PLUGIN);
}