325 lines
8.8 KiB
C
325 lines
8.8 KiB
C
/*
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* xed-commands-edit.c
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* This file is part of xed
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*
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* Copyright (C) 1998, 1999 Alex Roberts, Evan Lawrence
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* Copyright (C) 2000, 2001 Chema Celorio, Paolo Maggi
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* Copyright (C) 2002-2005 Paolo Maggi
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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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 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 St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/*
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* Modified by the xed Team, 1998-2005. See the AUTHORS file for a
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* list of people on the xed Team.
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* See the ChangeLog files for a list of changes.
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*
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* $Id$
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*/
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#include <config.h>
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#include <gtk/gtk.h>
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#include "xed-commands.h"
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#include "xed-window.h"
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#include "xed-debug.h"
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#include "xed-view.h"
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#include "xed-preferences-dialog.h"
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void
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_xed_cmd_edit_undo (GtkAction *action,
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XedWindow *window)
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{
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XedView *active_view;
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GtkSourceBuffer *active_document;
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xed_debug (DEBUG_COMMANDS);
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active_view = xed_window_get_active_view (window);
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g_return_if_fail (active_view);
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active_document = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
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gtk_source_buffer_undo (active_document);
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xed_view_scroll_to_cursor (active_view);
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gtk_widget_grab_focus (GTK_WIDGET (active_view));
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}
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void
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_xed_cmd_edit_redo (GtkAction *action,
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XedWindow *window)
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{
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XedView *active_view;
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GtkSourceBuffer *active_document;
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xed_debug (DEBUG_COMMANDS);
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active_view = xed_window_get_active_view (window);
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g_return_if_fail (active_view);
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active_document = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
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gtk_source_buffer_redo (active_document);
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xed_view_scroll_to_cursor (active_view);
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gtk_widget_grab_focus (GTK_WIDGET (active_view));
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}
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void
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_xed_cmd_edit_cut (GtkAction *action,
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XedWindow *window)
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{
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XedView *active_view;
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xed_debug (DEBUG_COMMANDS);
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active_view = xed_window_get_active_view (window);
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g_return_if_fail (active_view);
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xed_view_cut_clipboard (active_view);
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gtk_widget_grab_focus (GTK_WIDGET (active_view));
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}
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void
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_xed_cmd_edit_copy (GtkAction *action,
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XedWindow *window)
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{
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XedView *active_view;
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xed_debug (DEBUG_COMMANDS);
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active_view = xed_window_get_active_view (window);
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g_return_if_fail (active_view);
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xed_view_copy_clipboard (active_view);
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gtk_widget_grab_focus (GTK_WIDGET (active_view));
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}
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void
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_xed_cmd_edit_paste (GtkAction *action,
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XedWindow *window)
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{
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XedView *active_view;
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xed_debug (DEBUG_COMMANDS);
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active_view = xed_window_get_active_view (window);
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g_return_if_fail (active_view);
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xed_view_paste_clipboard (active_view);
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gtk_widget_grab_focus (GTK_WIDGET (active_view));
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}
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void
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_xed_cmd_edit_delete (GtkAction *action,
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XedWindow *window)
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{
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XedView *active_view;
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xed_debug (DEBUG_COMMANDS);
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active_view = xed_window_get_active_view (window);
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g_return_if_fail (active_view);
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xed_view_delete_selection (active_view);
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gtk_widget_grab_focus (GTK_WIDGET (active_view));
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}
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void
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_xed_cmd_edit_select_all (GtkAction *action,
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XedWindow *window)
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{
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XedView *active_view;
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xed_debug (DEBUG_COMMANDS);
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active_view = xed_window_get_active_view (window);
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g_return_if_fail (active_view);
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xed_view_select_all (active_view);
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gtk_widget_grab_focus (GTK_WIDGET (active_view));
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}
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void
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_xed_cmd_edit_preferences (GtkAction *action,
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XedWindow *window)
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{
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xed_debug (DEBUG_COMMANDS);
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xed_show_preferences_dialog (window);
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}
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void
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_xed_cmd_edit_toggle_comment (GtkAction *action,
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XedWindow *window)
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{
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XedView *active_view;
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GtkSourceBuffer *active_document;
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GtkSourceLanguage *language;
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const gchar *comment_text;
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gint start_line;
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gint end_line;
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gint i;
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gboolean is_comment = FALSE;
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GtkTextIter start_iter;
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GtkTextIter end_iter;
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xed_debug (DEBUG_COMMANDS);
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active_view = xed_window_get_active_view (window);
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if (active_view == NULL)
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{
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return;
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}
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active_document = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
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language = gtk_source_buffer_get_language (active_document);
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if (language == NULL)
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{
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return;
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}
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comment_text = gtk_source_language_get_metadata (language, "line-comment-start");
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if (comment_text == NULL)
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{
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return;
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}
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gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (active_document), &start_iter, &end_iter);
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start_line = gtk_text_iter_get_line (&start_iter);
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end_line = gtk_text_iter_get_line (&end_iter);
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gtk_text_buffer_begin_user_action (GTK_TEXT_BUFFER (active_document)); // begin
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// if some lines are already commented, consider the whole block commented and uncomment them
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for (i = start_line; i <= end_line; i++)
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{
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GtkTextIter start_line_iter;
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GtkTextIter end_line_iter;
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const gchar *line_text;
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gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (active_document), &start_line_iter, i);
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end_line_iter = start_line_iter;
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gtk_text_iter_forward_to_line_end (&end_line_iter);
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line_text = gtk_text_buffer_get_slice (GTK_TEXT_BUFFER (active_document), &start_line_iter, &end_line_iter, TRUE);
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if (g_str_has_prefix (line_text, comment_text))
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{
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is_comment = TRUE;
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end_line_iter = start_line_iter;
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gtk_text_iter_forward_chars (&end_line_iter, strlen(comment_text));
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gtk_text_buffer_delete (GTK_TEXT_BUFFER (active_document), &start_line_iter, &end_line_iter);
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}
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}
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// only comment if nothing was commented to begin with
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if (!is_comment)
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{
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for (i = start_line; i <= end_line; i++)
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{
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GtkTextIter insert_iter;
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gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (active_document), &insert_iter, i);
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gtk_text_buffer_insert (GTK_TEXT_BUFFER (active_document), &insert_iter, comment_text, -1);
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}
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}
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gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (active_document)); // end
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}
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void
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_xed_cmd_edit_toggle_comment_block (GtkAction *action,
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XedWindow *window)
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{
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XedView *active_view;
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GtkSourceBuffer *active_document;
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GtkSourceLanguage *language;
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const gchar *start_text;
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const gchar *end_text;
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GtkTextIter start_iter;
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GtkTextIter end_iter;
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gchar *selected_text;
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gchar *insert_text;
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xed_debug (DEBUG_COMMANDS);
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active_view = xed_window_get_active_view (window);
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if (active_view == NULL)
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{
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return;
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}
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active_document = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
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language = gtk_source_buffer_get_language (active_document);
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if (language == NULL)
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{
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return;
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}
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start_text = gtk_source_language_get_metadata (language, "block-comment-start");
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end_text = gtk_source_language_get_metadata (language, "block-comment-end");
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if (start_text == NULL || end_text == NULL)
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{
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return;
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}
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gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (active_document), &start_iter, &end_iter);
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selected_text = gtk_text_buffer_get_slice (GTK_TEXT_BUFFER (active_document), &start_iter, &end_iter, TRUE);
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if (g_str_has_prefix (selected_text, start_text) && g_str_has_suffix (selected_text, end_text))
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{
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gint start = strlen (start_text);
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gint end = strlen (end_text);
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const gchar *tmp = selected_text + start;
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insert_text = g_strndup (tmp , strlen(selected_text) - start - end);
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}
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else
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{
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insert_text = g_strconcat (start_text, selected_text, end_text, NULL);
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}
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gtk_text_buffer_begin_user_action (GTK_TEXT_BUFFER (active_document)); // begin
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// replace the selected text with the commented/uncommented version
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gtk_text_buffer_delete (GTK_TEXT_BUFFER (active_document), &start_iter, &end_iter);
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gtk_text_buffer_insert (GTK_TEXT_BUFFER (active_document), &end_iter, insert_text, -1);
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// move selection back where it was
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gtk_text_buffer_get_iter_at_offset (GTK_TEXT_BUFFER (active_document), &start_iter,
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gtk_text_iter_get_offset (&end_iter) - strlen (insert_text));
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gtk_text_buffer_select_range (GTK_TEXT_BUFFER (active_document), &start_iter, &end_iter);
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gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (active_document)); // end
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g_free (selected_text);
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g_free (insert_text);
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}
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