Commit c466fe88 authored by Sébastien Wilmet's avatar Sébastien Wilmet

Remove gedittextregion

It was used for search highlighting. Now it is done by GtkSourceView.
parent ec46dfb4
......@@ -60,11 +60,6 @@ IGNORE_HFILES= \
gedit-marshal.h \
gedit-enum-types.h
# These files are not part of gedit but were copied into it for some reason.
# Do not parse them to make the docs.
IGNORE_HFILES += \
gedittextregion.h
# Images to copy into HTML directory.
HTML_IMAGES=
......
......@@ -118,7 +118,6 @@ NOINST_H_FILES = \
gedit-settings.h \
gedit-status-menu-button.h \
gedit-tab-label.h \
gedittextregion.h \
gedit-ui.h \
gedit-view-frame.h \
gedit-window-private.h
......@@ -209,8 +208,7 @@ libgedit_c_files = \
gedit-utils.c \
gedit-view.c \
gedit-view-frame.c \
gedit-window.c \
gedittextregion.c
gedit-window.c
libgedit_la_SOURCES = \
$(BUILT_SOURCES) \
......
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* gedittextregion.h - GtkTextMark based region utility functions
*
* This file is part of the GtkSourceView widget
*
* Copyright (C) 2002 Gustavo Girldez <gustavo.giraldez@gmx.net>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include "gedittextregion.h"
#undef ENABLE_DEBUG
/*
#define ENABLE_DEBUG
*/
#ifdef ENABLE_DEBUG
#define DEBUG(x) (x)
#else
#define DEBUG(x)
#endif
typedef struct _Subregion {
GtkTextMark *start;
GtkTextMark *end;
} Subregion;
struct _GeditTextRegion {
GtkTextBuffer *buffer;
GList *subregions;
guint32 time_stamp;
};
typedef struct _GeditTextRegionIteratorReal GeditTextRegionIteratorReal;
struct _GeditTextRegionIteratorReal {
GeditTextRegion *region;
guint32 region_time_stamp;
GList *subregions;
};
/* ----------------------------------------------------------------------
Private interface
---------------------------------------------------------------------- */
/* Find and return a subregion node which contains the given text
iter. If left_side is TRUE, return the subregion which contains
the text iter or which is the leftmost; else return the rightmost
subregion */
static GList *
find_nearest_subregion (GeditTextRegion *region,
const GtkTextIter *iter,
GList *begin,
gboolean leftmost,
gboolean include_edges)
{
GList *l, *retval;
g_return_val_if_fail (region != NULL && iter != NULL, NULL);
if (!begin)
begin = region->subregions;
if (begin)
retval = begin->prev;
else
retval = NULL;
for (l = begin; l; l = l->next) {
GtkTextIter sr_iter;
Subregion *sr = l->data;
gint cmp;
if (!leftmost) {
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_iter, sr->end);
cmp = gtk_text_iter_compare (iter, &sr_iter);
if (cmp < 0 || (cmp == 0 && include_edges)) {
retval = l;
break;
}
} else {
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_iter, sr->start);
cmp = gtk_text_iter_compare (iter, &sr_iter);
if (cmp > 0 || (cmp == 0 && include_edges))
retval = l;
else
break;
}
}
return retval;
}
/* ----------------------------------------------------------------------
Public interface
---------------------------------------------------------------------- */
GeditTextRegion *
gedit_text_region_new (GtkTextBuffer *buffer)
{
GeditTextRegion *region;
g_return_val_if_fail (buffer != NULL, NULL);
region = g_new (GeditTextRegion, 1);
region->buffer = buffer;
region->subregions = NULL;
region->time_stamp = 0;
return region;
}
void
gedit_text_region_destroy (GeditTextRegion *region, gboolean delete_marks)
{
g_return_if_fail (region != NULL);
while (region->subregions) {
Subregion *sr = region->subregions->data;
if (delete_marks) {
gtk_text_buffer_delete_mark (region->buffer, sr->start);
gtk_text_buffer_delete_mark (region->buffer, sr->end);
}
g_free (sr);
region->subregions = g_list_delete_link (region->subregions,
region->subregions);
}
region->buffer = NULL;
region->time_stamp = 0;
g_free (region);
}
GtkTextBuffer *
gedit_text_region_get_buffer (GeditTextRegion *region)
{
g_return_val_if_fail (region != NULL, NULL);
return region->buffer;
}
static void
gedit_text_region_clear_zero_length_subregions (GeditTextRegion *region)
{
GtkTextIter start, end;
GList *node;
g_return_if_fail (region != NULL);
for (node = region->subregions; node; ) {
Subregion *sr = node->data;
gtk_text_buffer_get_iter_at_mark (region->buffer, &start, sr->start);
gtk_text_buffer_get_iter_at_mark (region->buffer, &end, sr->end);
if (gtk_text_iter_equal (&start, &end)) {
gtk_text_buffer_delete_mark (region->buffer, sr->start);
gtk_text_buffer_delete_mark (region->buffer, sr->end);
g_free (sr);
if (node == region->subregions)
region->subregions = node = g_list_delete_link (node, node);
else
node = g_list_delete_link (node, node);
++region->time_stamp;
} else {
node = node->next;
}
}
}
void
gedit_text_region_add (GeditTextRegion *region,
const GtkTextIter *_start,
const GtkTextIter *_end)
{
GList *start_node, *end_node;
GtkTextIter start, end;
g_return_if_fail (region != NULL && _start != NULL && _end != NULL);
start = *_start;
end = *_end;
DEBUG (g_print ("---\n"));
DEBUG (gedit_text_region_debug_print (region));
DEBUG (g_message ("region_add (%d, %d)",
gtk_text_iter_get_offset (&start),
gtk_text_iter_get_offset (&end)));
gtk_text_iter_order (&start, &end);
/* don't add zero-length regions */
if (gtk_text_iter_equal (&start, &end))
return;
/* find bounding subregions */
start_node = find_nearest_subregion (region, &start, NULL, FALSE, TRUE);
end_node = find_nearest_subregion (region, &end, start_node, TRUE, TRUE);
if (start_node == NULL || end_node == NULL || end_node == start_node->prev) {
/* create the new subregion */
Subregion *sr = g_new0 (Subregion, 1);
sr->start = gtk_text_buffer_create_mark (region->buffer, NULL, &start, TRUE);
sr->end = gtk_text_buffer_create_mark (region->buffer, NULL, &end, FALSE);
if (start_node == NULL) {
/* append the new region */
region->subregions = g_list_append (region->subregions, sr);
} else if (end_node == NULL) {
/* prepend the new region */
region->subregions = g_list_prepend (region->subregions, sr);
} else {
/* we are in the middle of two subregions */
region->subregions = g_list_insert_before (region->subregions,
start_node, sr);
}
}
else {
GtkTextIter iter;
Subregion *sr = start_node->data;
if (start_node != end_node) {
/* we need to merge some subregions */
GList *l = start_node->next;
Subregion *q;
gtk_text_buffer_delete_mark (region->buffer, sr->end);
while (l != end_node) {
q = l->data;
gtk_text_buffer_delete_mark (region->buffer, q->start);
gtk_text_buffer_delete_mark (region->buffer, q->end);
g_free (q);
l = g_list_delete_link (l, l);
}
q = l->data;
gtk_text_buffer_delete_mark (region->buffer, q->start);
sr->end = q->end;
g_free (q);
l = g_list_delete_link (l, l);
}
/* now move marks if that action expands the region */
gtk_text_buffer_get_iter_at_mark (region->buffer, &iter, sr->start);
if (gtk_text_iter_compare (&iter, &start) > 0)
gtk_text_buffer_move_mark (region->buffer, sr->start, &start);
gtk_text_buffer_get_iter_at_mark (region->buffer, &iter, sr->end);
if (gtk_text_iter_compare (&iter, &end) < 0)
gtk_text_buffer_move_mark (region->buffer, sr->end, &end);
}
++region->time_stamp;
DEBUG (gedit_text_region_debug_print (region));
}
void
gedit_text_region_subtract (GeditTextRegion *region,
const GtkTextIter *_start,
const GtkTextIter *_end)
{
GList *start_node, *end_node, *node;
GtkTextIter sr_start_iter, sr_end_iter;
gboolean done;
gboolean start_is_outside, end_is_outside;
Subregion *sr;
GtkTextIter start, end;
g_return_if_fail (region != NULL && _start != NULL && _end != NULL);
start = *_start;
end = *_end;
DEBUG (g_print ("---\n"));
DEBUG (gedit_text_region_debug_print (region));
DEBUG (g_message ("region_substract (%d, %d)",
gtk_text_iter_get_offset (&start),
gtk_text_iter_get_offset (&end)));
gtk_text_iter_order (&start, &end);
/* find bounding subregions */
start_node = find_nearest_subregion (region, &start, NULL, FALSE, FALSE);
end_node = find_nearest_subregion (region, &end, start_node, TRUE, FALSE);
/* easy case first */
if (start_node == NULL || end_node == NULL || end_node == start_node->prev)
return;
/* deal with the start point */
start_is_outside = end_is_outside = FALSE;
sr = start_node->data;
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_start_iter, sr->start);
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_end_iter, sr->end);
if (gtk_text_iter_in_range (&start, &sr_start_iter, &sr_end_iter) &&
!gtk_text_iter_equal (&start, &sr_start_iter)) {
/* the starting point is inside the first subregion */
if (gtk_text_iter_in_range (&end, &sr_start_iter, &sr_end_iter) &&
!gtk_text_iter_equal (&end, &sr_end_iter)) {
/* the ending point is also inside the first
subregion: we need to split */
Subregion *new_sr = g_new0 (Subregion, 1);
new_sr->end = sr->end;
new_sr->start = gtk_text_buffer_create_mark (region->buffer,
NULL, &end, TRUE);
start_node = g_list_insert_before (start_node, start_node->next, new_sr);
sr->end = gtk_text_buffer_create_mark (region->buffer,
NULL, &start, FALSE);
/* no further processing needed */
DEBUG (g_message ("subregion splitted"));
return;
} else {
/* the ending point is outside, so just move
the end of the subregion to the starting point */
gtk_text_buffer_move_mark (region->buffer, sr->end, &start);
}
} else {
/* the starting point is outside (and so to the left)
of the first subregion */
DEBUG (g_message ("start is outside"));
start_is_outside = TRUE;
}
/* deal with the end point */
if (start_node != end_node) {
sr = end_node->data;
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_start_iter, sr->start);
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_end_iter, sr->end);
}
if (gtk_text_iter_in_range (&end, &sr_start_iter, &sr_end_iter) &&
!gtk_text_iter_equal (&end, &sr_end_iter)) {
/* ending point is inside, move the start mark */
gtk_text_buffer_move_mark (region->buffer, sr->start, &end);
} else {
end_is_outside = TRUE;
DEBUG (g_message ("end is outside"));
}
/* finally remove any intermediate subregions */
done = FALSE;
node = start_node;
while (!done) {
if (node == end_node)
/* we are done, exit in the next iteration */
done = TRUE;
if ((node == start_node && !start_is_outside) ||
(node == end_node && !end_is_outside)) {
/* skip starting or ending node */
node = node->next;
} else {
GList *l = node->next;
sr = node->data;
gtk_text_buffer_delete_mark (region->buffer, sr->start);
gtk_text_buffer_delete_mark (region->buffer, sr->end);
g_free (sr);
region->subregions = g_list_delete_link (region->subregions,
node);
node = l;
}
}
++region->time_stamp;
DEBUG (gedit_text_region_debug_print (region));
/* now get rid of empty subregions */
gedit_text_region_clear_zero_length_subregions (region);
DEBUG (gedit_text_region_debug_print (region));
}
gint
gedit_text_region_subregions (GeditTextRegion *region)
{
g_return_val_if_fail (region != NULL, 0);
return g_list_length (region->subregions);
}
gboolean
gedit_text_region_nth_subregion (GeditTextRegion *region,
guint subregion,
GtkTextIter *start,
GtkTextIter *end)
{
Subregion *sr;
g_return_val_if_fail (region != NULL, FALSE);
sr = g_list_nth_data (region->subregions, subregion);
if (sr == NULL)
return FALSE;
if (start)
gtk_text_buffer_get_iter_at_mark (region->buffer, start, sr->start);
if (end)
gtk_text_buffer_get_iter_at_mark (region->buffer, end, sr->end);
return TRUE;
}
GeditTextRegion *
gedit_text_region_intersect (GeditTextRegion *region,
const GtkTextIter *_start,
const GtkTextIter *_end)
{
GList *start_node, *end_node, *node;
GtkTextIter sr_start_iter, sr_end_iter;
Subregion *sr, *new_sr;
gboolean done;
GeditTextRegion *new_region;
GtkTextIter start, end;
g_return_val_if_fail (region != NULL && _start != NULL && _end != NULL, NULL);
start = *_start;
end = *_end;
gtk_text_iter_order (&start, &end);
/* find bounding subregions */
start_node = find_nearest_subregion (region, &start, NULL, FALSE, FALSE);
end_node = find_nearest_subregion (region, &end, start_node, TRUE, FALSE);
/* easy case first */
if (start_node == NULL || end_node == NULL || end_node == start_node->prev)
return NULL;
new_region = gedit_text_region_new (region->buffer);
done = FALSE;
sr = start_node->data;
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_start_iter, sr->start);
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_end_iter, sr->end);
/* starting node */
if (gtk_text_iter_in_range (&start, &sr_start_iter, &sr_end_iter)) {
new_sr = g_new0 (Subregion, 1);
new_region->subregions = g_list_prepend (new_region->subregions, new_sr);
new_sr->start = gtk_text_buffer_create_mark (new_region->buffer, NULL,
&start, TRUE);
if (start_node == end_node) {
/* things will finish shortly */
done = TRUE;
if (gtk_text_iter_in_range (&end, &sr_start_iter, &sr_end_iter))
new_sr->end = gtk_text_buffer_create_mark (new_region->buffer,
NULL, &end, FALSE);
else
new_sr->end = gtk_text_buffer_create_mark (new_region->buffer,
NULL, &sr_end_iter,
FALSE);
} else {
new_sr->end = gtk_text_buffer_create_mark (new_region->buffer, NULL,
&sr_end_iter, FALSE);
}
node = start_node->next;
} else {
/* start should be the same as the subregion, so copy it in the loop */
node = start_node;
}
if (!done) {
while (node != end_node) {
/* copy intermediate subregions verbatim */
sr = node->data;
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_start_iter,
sr->start);
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_end_iter, sr->end);
new_sr = g_new0 (Subregion, 1);
new_region->subregions = g_list_prepend (new_region->subregions, new_sr);
new_sr->start = gtk_text_buffer_create_mark (new_region->buffer, NULL,
&sr_start_iter, TRUE);
new_sr->end = gtk_text_buffer_create_mark (new_region->buffer, NULL,
&sr_end_iter, FALSE);
/* next node */
node = node->next;
}
/* ending node */
sr = node->data;
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_start_iter, sr->start);
gtk_text_buffer_get_iter_at_mark (region->buffer, &sr_end_iter, sr->end);
new_sr = g_new0 (Subregion, 1);
new_region->subregions = g_list_prepend (new_region->subregions, new_sr);
new_sr->start = gtk_text_buffer_create_mark (new_region->buffer, NULL,
&sr_start_iter, TRUE);
if (gtk_text_iter_in_range (&end, &sr_start_iter, &sr_end_iter))
new_sr->end = gtk_text_buffer_create_mark (new_region->buffer, NULL,
&end, FALSE);
else
new_sr->end = gtk_text_buffer_create_mark (new_region->buffer, NULL,
&sr_end_iter, FALSE);
}
new_region->subregions = g_list_reverse (new_region->subregions);
return new_region;
}
static gboolean
check_iterator (GeditTextRegionIteratorReal *real)
{
if ((real->region == NULL) ||
(real->region_time_stamp != real->region->time_stamp))
{
g_warning("Invalid iterator: either the iterator "
"is uninitialized, or the region "
"has been modified since the iterator "
"was created.");
return FALSE;
}
return TRUE;
}
void
gedit_text_region_get_iterator (GeditTextRegion *region,
GeditTextRegionIterator *iter,
guint start)
{
GeditTextRegionIteratorReal *real;
g_return_if_fail (region != NULL);
g_return_if_fail (iter != NULL);
real = (GeditTextRegionIteratorReal *)iter;
/* region->subregions may be NULL, -> end iter */
real->region = region;
real->subregions = g_list_nth (region->subregions, start);
real->region_time_stamp = region->time_stamp;
}
gboolean
gedit_text_region_iterator_is_end (GeditTextRegionIterator *iter)
{
GeditTextRegionIteratorReal *real;
g_return_val_if_fail (iter != NULL, FALSE);
real = (GeditTextRegionIteratorReal *)iter;
g_return_val_if_fail (check_iterator (real), FALSE);
return (real->subregions == NULL);
}
gboolean
gedit_text_region_iterator_next (GeditTextRegionIterator *iter)
{
GeditTextRegionIteratorReal *real;
g_return_val_if_fail (iter != NULL, FALSE);
real = (GeditTextRegionIteratorReal *)iter;
g_return_val_if_fail (check_iterator (real), FALSE);
if (real->subregions != NULL) {
real->subregions = g_list_next (real->subregions);
return TRUE;
}
else
return FALSE;
}
void
gedit_text_region_iterator_get_subregion (GeditTextRegionIterator *iter,
GtkTextIter *start,
GtkTextIter *end)
{
GeditTextRegionIteratorReal *real;
Subregion *sr;
g_return_if_fail (iter != NULL);
real = (GeditTextRegionIteratorReal *)iter;
g_return_if_fail (check_iterator (real));
g_return_if_fail (real->subregions != NULL);
sr = (Subregion*)real->subregions->data;
g_return_if_fail (sr != NULL);
if (start)
gtk_text_buffer_get_iter_at_mark (real->region->buffer, start, sr->start);
if (end)
gtk_text_buffer_get_iter_at_mark (real->region->buffer, end, sr->end);
}
void
gedit_text_region_debug_print (GeditTextRegion *region)
{
GList *l;
g_return_if_fail (region != NULL);
g_print ("Subregions: ");
l = region->subregions;
while (l) {
Subregion *sr = l->data;
GtkTextIter iter1, iter2;
gtk_text_buffer_get_iter_at_mark (region->buffer, &iter1, sr->start);
gtk_text_buffer_get_iter_at_mark (region->buffer, &iter2, sr->end);
g_print ("%d-%d ", gtk_text_iter_get_offset (&iter1),
gtk_text_iter_get_offset (&iter2));
l = l->next;
}
g_print ("\n");
}
/* ex:set ts=8 noet: */
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* gedittextregion.h - GtkTextMark based region utility functions
*
* This file is part of the GtkSourceView widget
*
* Copyright (C) 2002 Gustavo Giráldez <gustavo.giraldez@gmx.net>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GEDIT_TEXT_REGION_H__
#define __GEDIT_TEXT_REGION_H__
#include <gtk/gtk.h>
G_BEGIN_DECLS
typedef struct _GeditTextRegion GeditTextRegion;
typedef struct _GeditTextRegionIterator GeditTextRegionIterator;
struct _GeditTextRegionIterator {
/* GeditTextRegionIterator is an opaque datatype; ignore all these fields.
* Initialize the iter with gedit_text_region_get_iterator
* function
*/
/*< private >*/
gpointer dummy1;
guint32 dummy2;
gpointer dummy3;
};
GeditTextRegion *gedit_text_region_new (GtkTextBuffer *buffer);
void gedit_text_region_destroy (GeditTextRegion *region,
gboolean delete_marks);
GtkTextBuffer *gedit_text_region_get_buffer (GeditTextRegion *region);
void gedit_text_region_add (GeditTextRegion *region,
const GtkTextIter *_start,
const GtkTextIter *_end);
void gedit_text_region_subtract (GeditTextRegion *region,
const GtkTextIter *_start,
const GtkTextIter *_end);
gint gedit_text_region_subregions (GeditTextRegion *region);
gboolean gedit_text_region_nth_subregion (GeditTextRegion *region,
guint subregion,