xed/xed/xed-commands-edit.c

325 lines
8.8 KiB
C

/*
* xed-commands-edit.c
* This file is part of xed
*
* Copyright (C) 1998, 1999 Alex Roberts, Evan Lawrence
* Copyright (C) 2000, 2001 Chema Celorio, Paolo Maggi
* 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 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 St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/*
* Modified by the xed Team, 1998-2005. See the AUTHORS file for a
* list of people on the xed Team.
* See the ChangeLog files for a list of changes.
*
* $Id$
*/
#include <config.h>
#include <gtk/gtk.h>
#include "xed-commands.h"
#include "xed-window.h"
#include "xed-debug.h"
#include "xed-view.h"
#include "xed-preferences-dialog.h"
void
_xed_cmd_edit_undo (GtkAction *action,
XedWindow *window)
{
XedView *active_view;
GtkSourceBuffer *active_document;
xed_debug (DEBUG_COMMANDS);
active_view = xed_window_get_active_view (window);
g_return_if_fail (active_view);
active_document = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
gtk_source_buffer_undo (active_document);
xed_view_scroll_to_cursor (active_view);
gtk_widget_grab_focus (GTK_WIDGET (active_view));
}
void
_xed_cmd_edit_redo (GtkAction *action,
XedWindow *window)
{
XedView *active_view;
GtkSourceBuffer *active_document;
xed_debug (DEBUG_COMMANDS);
active_view = xed_window_get_active_view (window);
g_return_if_fail (active_view);
active_document = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
gtk_source_buffer_redo (active_document);
xed_view_scroll_to_cursor (active_view);
gtk_widget_grab_focus (GTK_WIDGET (active_view));
}
void
_xed_cmd_edit_cut (GtkAction *action,
XedWindow *window)
{
XedView *active_view;
xed_debug (DEBUG_COMMANDS);
active_view = xed_window_get_active_view (window);
g_return_if_fail (active_view);
xed_view_cut_clipboard (active_view);
gtk_widget_grab_focus (GTK_WIDGET (active_view));
}
void
_xed_cmd_edit_copy (GtkAction *action,
XedWindow *window)
{
XedView *active_view;
xed_debug (DEBUG_COMMANDS);
active_view = xed_window_get_active_view (window);
g_return_if_fail (active_view);
xed_view_copy_clipboard (active_view);
gtk_widget_grab_focus (GTK_WIDGET (active_view));
}
void
_xed_cmd_edit_paste (GtkAction *action,
XedWindow *window)
{
XedView *active_view;
xed_debug (DEBUG_COMMANDS);
active_view = xed_window_get_active_view (window);
g_return_if_fail (active_view);
xed_view_paste_clipboard (active_view);
gtk_widget_grab_focus (GTK_WIDGET (active_view));
}
void
_xed_cmd_edit_delete (GtkAction *action,
XedWindow *window)
{
XedView *active_view;
xed_debug (DEBUG_COMMANDS);
active_view = xed_window_get_active_view (window);
g_return_if_fail (active_view);
xed_view_delete_selection (active_view);
gtk_widget_grab_focus (GTK_WIDGET (active_view));
}
void
_xed_cmd_edit_select_all (GtkAction *action,
XedWindow *window)
{
XedView *active_view;
xed_debug (DEBUG_COMMANDS);
active_view = xed_window_get_active_view (window);
g_return_if_fail (active_view);
xed_view_select_all (active_view);
gtk_widget_grab_focus (GTK_WIDGET (active_view));
}
void
_xed_cmd_edit_preferences (GtkAction *action,
XedWindow *window)
{
xed_debug (DEBUG_COMMANDS);
xed_show_preferences_dialog (window);
}
void
_xed_cmd_edit_toggle_comment (GtkAction *action,
XedWindow *window)
{
XedView *active_view;
GtkSourceBuffer *active_document;
GtkSourceLanguage *language;
const gchar *comment_text;
gint start_line;
gint end_line;
gint i;
gboolean is_comment = FALSE;
GtkTextIter start_iter;
GtkTextIter end_iter;
xed_debug (DEBUG_COMMANDS);
active_view = xed_window_get_active_view (window);
if (active_view == NULL)
{
return;
}
active_document = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
language = gtk_source_buffer_get_language (active_document);
if (language == NULL)
{
return;
}
comment_text = gtk_source_language_get_metadata (language, "line-comment-start");
if (comment_text == NULL)
{
return;
}
gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (active_document), &start_iter, &end_iter);
start_line = gtk_text_iter_get_line (&start_iter);
end_line = gtk_text_iter_get_line (&end_iter);
gtk_text_buffer_begin_user_action (GTK_TEXT_BUFFER (active_document)); // begin
// if some lines are already commented, consider the whole block commented and uncomment them
for (i = start_line; i <= end_line; i++)
{
GtkTextIter start_line_iter;
GtkTextIter end_line_iter;
const gchar *line_text;
gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (active_document), &start_line_iter, i);
end_line_iter = start_line_iter;
gtk_text_iter_forward_to_line_end (&end_line_iter);
line_text = gtk_text_buffer_get_slice (GTK_TEXT_BUFFER (active_document), &start_line_iter, &end_line_iter, TRUE);
if (g_str_has_prefix (line_text, comment_text))
{
is_comment = TRUE;
end_line_iter = start_line_iter;
gtk_text_iter_forward_chars (&end_line_iter, strlen(comment_text));
gtk_text_buffer_delete (GTK_TEXT_BUFFER (active_document), &start_line_iter, &end_line_iter);
}
}
// only comment if nothing was commented to begin with
if (!is_comment)
{
for (i = start_line; i <= end_line; i++)
{
GtkTextIter insert_iter;
gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (active_document), &insert_iter, i);
gtk_text_buffer_insert (GTK_TEXT_BUFFER (active_document), &insert_iter, comment_text, -1);
}
}
gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (active_document)); // end
}
void
_xed_cmd_edit_toggle_comment_block (GtkAction *action,
XedWindow *window)
{
XedView *active_view;
GtkSourceBuffer *active_document;
GtkSourceLanguage *language;
const gchar *start_text;
const gchar *end_text;
GtkTextIter start_iter;
GtkTextIter end_iter;
gchar *selected_text;
gchar *insert_text;
xed_debug (DEBUG_COMMANDS);
active_view = xed_window_get_active_view (window);
if (active_view == NULL)
{
return;
}
active_document = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
language = gtk_source_buffer_get_language (active_document);
if (language == NULL)
{
return;
}
start_text = gtk_source_language_get_metadata (language, "block-comment-start");
end_text = gtk_source_language_get_metadata (language, "block-comment-end");
if (start_text == NULL || end_text == NULL)
{
return;
}
gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (active_document), &start_iter, &end_iter);
selected_text = gtk_text_buffer_get_slice (GTK_TEXT_BUFFER (active_document), &start_iter, &end_iter, TRUE);
if (g_str_has_prefix (selected_text, start_text) && g_str_has_suffix (selected_text, end_text))
{
gint start = strlen (start_text);
gint end = strlen (end_text);
const gchar *tmp = selected_text + start;
insert_text = g_strndup (tmp , strlen(selected_text) - start - end);
}
else
{
insert_text = g_strconcat (start_text, selected_text, end_text, NULL);
}
gtk_text_buffer_begin_user_action (GTK_TEXT_BUFFER (active_document)); // begin
// replace the selected text with the commented/uncommented version
gtk_text_buffer_delete (GTK_TEXT_BUFFER (active_document), &start_iter, &end_iter);
gtk_text_buffer_insert (GTK_TEXT_BUFFER (active_document), &end_iter, insert_text, -1);
// move selection back where it was
gtk_text_buffer_get_iter_at_offset (GTK_TEXT_BUFFER (active_document), &start_iter,
gtk_text_iter_get_offset (&end_iter) - strlen (insert_text));
gtk_text_buffer_select_range (GTK_TEXT_BUFFER (active_document), &start_iter, &end_iter);
gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (active_document)); // end
g_free (selected_text);
g_free (insert_text);
}