Renamed Xedit -> Xed (avoid name clash with x11-apps's xedit)
This commit is contained in:
Clement Lefebvre
214
plugins/trailsave/xed-trail-save-plugin.c
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214
plugins/trailsave/xed-trail-save-plugin.c
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/*
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* xed-trail-save-plugin.c
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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, or (at your option)
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* 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, Boston, MA 02110-1301, USA.
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*
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* $Id$
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "xed-trail-save-plugin.h"
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XED_PLUGIN_REGISTER_TYPE(XedTrailSavePlugin, xed_trail_save_plugin)
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static void
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strip_trailing_spaces (GtkTextBuffer *text_buffer)
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{
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gint line_count, line_num;
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GtkTextIter line_start, line_end;
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gchar *slice;
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gchar byte;
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gint byte_index;
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gint strip_start_index, strip_end_index;
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gboolean should_strip;
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GtkTextIter strip_start, strip_end;
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g_assert (text_buffer != NULL);
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line_count = gtk_text_buffer_get_line_count (text_buffer);
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for (line_num = 0; line_num < line_count; ++line_num)
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{
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/* Get line text */
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gtk_text_buffer_get_iter_at_line (text_buffer, &line_start, line_num);
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if (line_num == line_count - 1)
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{
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gtk_text_buffer_get_end_iter (text_buffer, &line_end);
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}
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else
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{
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gtk_text_buffer_get_iter_at_line (text_buffer, &line_end, line_num + 1);
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}
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slice = gtk_text_buffer_get_slice (text_buffer, &line_start, &line_end, TRUE);
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if (slice == NULL)
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{
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continue;
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}
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/* Find indices of bytes that should be stripped */
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should_strip = FALSE;
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for (byte_index = 0; slice [byte_index] != 0; ++byte_index)
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{
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byte = slice [byte_index];
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if ((byte == ' ') || (byte == '\t'))
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{
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if (!should_strip)
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{
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strip_start_index = byte_index;
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should_strip = TRUE;
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}
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strip_end_index = byte_index + 1;
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}
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else if ((byte == '\r') || (byte == '\n'))
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{
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break;
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}
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else
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{
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should_strip = FALSE;
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}
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}
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g_free (slice);
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/* Strip trailing spaces */
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if (should_strip)
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{
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gtk_text_buffer_get_iter_at_line_index (text_buffer, &strip_start, line_num, strip_start_index);
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gtk_text_buffer_get_iter_at_line_index (text_buffer, &strip_end, line_num, strip_end_index);
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gtk_text_buffer_delete (text_buffer, &strip_start, &strip_end);
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}
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}
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}
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static void
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on_save (XedDocument *document,
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const gchar *uri,
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XedEncoding *encoding,
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XedDocumentSaveFlags save_flags,
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XedPlugin *plugin)
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{
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GtkTextBuffer *text_buffer = GTK_TEXT_BUFFER (document);
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strip_trailing_spaces (text_buffer);
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}
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static void
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on_tab_added (XedWindow *window,
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XedTab *tab,
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XedPlugin *plugin)
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{
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XedDocument *document;
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document = xed_tab_get_document (tab);
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g_signal_connect (document, "save", G_CALLBACK (on_save), plugin);
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}
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static void
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on_tab_removed (XedWindow *window,
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XedTab *tab,
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XedPlugin *plugin)
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{
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XedDocument *document;
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document = xed_tab_get_document (tab);
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g_signal_handlers_disconnect_by_data (document, plugin);
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}
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static void
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impl_activate (XedPlugin *plugin,
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XedWindow *window)
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{
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GList *documents;
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GList *documents_iter;
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XedDocument *document;
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xed_debug (DEBUG_PLUGINS);
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g_signal_connect (window, "tab_added", G_CALLBACK (on_tab_added), plugin);
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g_signal_connect (window, "tab_removed", G_CALLBACK (on_tab_removed), plugin);
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documents = xed_window_get_documents (window);
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for (documents_iter = documents;
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documents_iter && documents_iter->data;
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documents_iter = documents_iter->next)
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{
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document = (XedDocument *) documents_iter->data;
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g_signal_connect (document, "save", G_CALLBACK (on_save), plugin);
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}
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g_list_free (documents);
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}
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static void
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impl_deactivate (XedPlugin *plugin,
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XedWindow *window)
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{
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GList *documents;
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GList *documents_iter;
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XedDocument *document;
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xed_debug (DEBUG_PLUGINS);
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g_signal_handlers_disconnect_by_data (window, plugin);
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documents = xed_window_get_documents (window);
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for (documents_iter = documents;
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documents_iter && documents_iter->data;
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documents_iter = documents_iter->next)
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{
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document = (XedDocument *) documents_iter->data;
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g_signal_handlers_disconnect_by_data (document, plugin);
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}
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g_list_free (documents);
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}
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static void
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xed_trail_save_plugin_init (XedTrailSavePlugin *plugin)
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{
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xed_debug_message (DEBUG_PLUGINS, "XedTrailSavePlugin initializing");
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}
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static void
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xed_trail_save_plugin_finalize (GObject *object)
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{
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xed_debug_message (DEBUG_PLUGINS, "XedTrailSavePlugin finalizing");
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G_OBJECT_CLASS (xed_trail_save_plugin_parent_class)->finalize (object);
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}
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static void
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xed_trail_save_plugin_class_init (XedTrailSavePluginClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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XedPluginClass *plugin_class = XED_PLUGIN_CLASS (klass);
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object_class->finalize = xed_trail_save_plugin_finalize;
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plugin_class->activate = impl_activate;
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plugin_class->deactivate = impl_deactivate;
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}
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