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/*
* Copyright (C) 2012-2014 Robin Haberkorn
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <Scintilla.h>
#include "sciteco.h"
#include "interface.h"
#include "undo.h"
#include "document.h"
static inline void
set_representations(void)
{
static const char *reps[] = {
"^@", "^A", "^B", "^C", "^D", "^E", "^F", "^G",
"^H", "TAB" /* ^I */, "LF" /* ^J */, "^K", "^L", "CR" /* ^M */, "^N", "^O",
"^P", "^Q", "^R", "^S", "^T", "^U", "^V", "^W",
"^X", "^Y", "^Z", "$" /* ^[ */, "^\\", "^]", "^^", "^_"
};
for (guint cc = 0; cc < G_N_ELEMENTS(reps); cc++) {
gchar buf[] = {(gchar)cc, '\0'};
interface.ssm(SCI_SETREPRESENTATION,
(uptr_t)buf, (sptr_t)reps[cc]);
}
}
class UndoSetRepresentations : public UndoToken {
public:
void
run(void)
{
set_representations();
}
};
void
TECODocument::edit(void)
{
if (!is_initialized())
doc = (SciDoc)interface.ssm(SCI_CREATEDOCUMENT);
interface.ssm(SCI_SETDOCPOINTER, 0, (sptr_t)doc);
interface.ssm(SCI_SETFIRSTVISIBLELINE, first_line);
interface.ssm(SCI_SETXOFFSET, xoffset);
interface.ssm(SCI_SETSEL, anchor, (sptr_t)dot);
/*
* Default TECO-style character representations.
* They are reset on EVERY SETDOCPOINTER call by Scintilla.
*/
set_representations();
}
void
TECODocument::undo_edit(void)
{
/*
* see above: set TECO-style character representations
* NOTE: could be done with push_msg() but that requires
* making the entire mapping static constant
*/
undo.push(new UndoSetRepresentations());
undo.push_msg(SCI_SETSEL, anchor, (sptr_t)dot);
undo.push_msg(SCI_SETXOFFSET, xoffset);
undo.push_msg(SCI_SETFIRSTVISIBLELINE, first_line);
undo.push_msg(SCI_SETDOCPOINTER, 0, (sptr_t)doc);
}
void
TECODocument::update(void)
{
anchor = interface.ssm(SCI_GETANCHOR);
dot = interface.ssm(SCI_GETCURRENTPOS);
first_line = interface.ssm(SCI_GETFIRSTVISIBLELINE);
xoffset = interface.ssm(SCI_GETXOFFSET);
}
/*
* Only for QRegisterStack::pop() which does some clever
* exchanging of document data (without any deep copying)
*/
void
TECODocument::exchange(TECODocument &other)
{
SciDoc temp_doc = doc;
gint temp_anchor = anchor;
gint temp_dot = dot;
gint temp_first_line = first_line;
gint temp_xoffset = xoffset;
doc = other.doc;
anchor = other.anchor;
dot = other.dot;
first_line = other.first_line;
xoffset = other.xoffset;
other.doc = temp_doc;
other.anchor = temp_anchor;
other.dot = temp_dot;
other.first_line = temp_first_line;
other.xoffset = temp_xoffset;
}
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