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	diff --git a/src/GitPack.cpp b/src/GitPack.cpp
	index 79180a0..91eac23 100644
	--- a/src/GitPack.cpp
	+++ b/src/GitPack.cpp
	@@ -1,252 +1,241 @@
	#include "GitPack.h"
	#include "GitPackIdxV2.h"
	#include <QDebug>
	#include <QFile>
	#include <zlib.h>

	void GitPack::decodeTree(QByteArray *out)
	{
	if (out && out->size() > 0) {
	QByteArray ba;
	uint8_t const begin = (uint8_t const )out->data();
	uint8_t const *end = begin + out->size();
	uint8_t const *ptr = begin;
	while (ptr < end) {
	int mode = 0;
	while (ptr < end) {
	int c = *ptr & 0xff;
	ptr++;
	if (isdigit(c & 0xff)) {
	mode = mode * 10 + (c - '0');
	} else if (c == ' ') {
	break;
	}
	}
	uint8_t const *left = ptr;
	while (ptr < end && *ptr) {
	ptr++;
	}
	std::string name(left, ptr);
	if (ptr + 20 < end) {
	ptr++;
	char tmp[100];
	sprintf(tmp, "%06u %s ", mode, mode < 100000 ? "tree" : "blob");
	char *p = tmp + 12;
	for (int i = 0; i < 20; i++) {
	sprintf(p, "%02x", ptr[i]);
	p += 2;
	}
	ba.append(tmp, p - tmp);
	ba.append('\t');
	ba.append(name.c_str(), name.size());
	ba.append('\n');
	ptr += 20;
	} else {
	break;
	}
	}
	*out = std::move(ba);
	}

	}

	Git::Object::Type GitPack::stripHeader(QByteArray *out)
	{
	if (out) {
	int n = out->size();
	if (n > 0) {
	char const *p = out->data();
	if (n > 16) n = 16;
	for (int i = 0; i < n; i++) {
	if (p[i] == 0) {
	Git::Object::Type type = Git::Object::Type::UNKNOWN;
	if (strncmp(p, "blob ", 5) == 0) {
	type = Git::Object::Type::BLOB;
	} else if (strncmp(p, "tree ", 5) == 0) {
	type = Git::Object::Type::TREE;
	} else if (strncmp(p, "commit ", 7) == 0) {
	type = Git::Object::Type::COMMIT;
	} else if (strncmp(p, "tag ", 4) == 0) {
	type = Git::Object::Type::TAG;
	}
	if (type != Git::Object::Type::UNKNOWN) {
	*out = out->mid(i + 1);
	}
	return type;
	}
	}
	}
	}
	return Git::Object::Type::UNKNOWN;
	}

	bool GitPack::decompress(QIODevice in, size_t expanded_size, QByteArray out, size_t consumed, uint32_t crc)
	{
	if (consumed) *consumed = 0;
	try {
	int err;
	z_stream d_stream;

	d_stream.zalloc = nullptr;
	d_stream.zfree = nullptr;
	d_stream.opaque = nullptr;

	- d_stream.next_in = nullptr;
	d_stream.avail_in = 0;

	err = inflateInit(&d_stream);
	-
	if (err != Z_OK) {
	throw QString("failed: inflateInit");
	}

	+ int flush = Z_NO_FLUSH;
	while (1) {
	- if (expanded_size > 0 && (size_t)out->size() > expanded_size) {
	- throw QString("file too large");
	- }
	- uint8_t src[1024];
	- uint8_t tmp[65536];
	- if (d_stream.next_in != src && d_stream.avail_in > 0) {
	- memmove(src, d_stream.next_in, d_stream.avail_in);
	- }
	- d_stream.next_in = src;
	- if (d_stream.avail_in < sizeof(src)) {
	- int n = sizeof(src) - d_stream.avail_in;
	- n = in->read((char *)(src + d_stream.avail_in), n);
	- if (n >= 0) {
	- d_stream.avail_in += n;
	+ uint8_t ibuf[65536];
	+ uint8_t obuf[65536];
	+ size_t ilen = d_stream.avail_in;
	+ d_stream.next_in = ibuf;
	+ d_stream.next_out = obuf;
	+ d_stream.avail_out = sizeof(obuf);
	+ err = ::inflate(&d_stream, flush);
	+ if (err == Z_BUF_ERROR) {
	+ d_stream.avail_in = in->read((char *)ibuf, sizeof(ibuf));
	+ if (d_stream.avail_in == 0) {
	+ flush = Z_FINISH;
	}
	+ continue;
	}
	+ ilen -= d_stream.avail_in;
	+ if (consumed) *consumed += ilen;
	+ if (crc) crc = crc32(crc, ibuf, ilen);

	- d_stream.next_out = tmp;
	- size_t l = expanded_size - out->size();
	- if (l > sizeof(tmp)) l = sizeof(tmp);
	- d_stream.avail_out = l;
	- uLong total = d_stream.total_out;
	-
	- err = ::inflate(&d_stream, Z_NO_FLUSH);
	-
	- int in_len = (uint8_t *)d_stream.next_in - src;
	- if (consumed) *consumed += in_len;
	-
	- if (crc) crc = crc32(crc, src, in_len);
	-
	- int out_len = d_stream.total_out - total;
	- out->append((char const *)tmp, out_len);
	-
	+ size_t n = sizeof(obuf) - d_stream.avail_out;
	+ out->append((char const *)obuf, n);
	if (err == Z_STREAM_END) {
	break;
	}
	if (err != Z_OK) {
	throw QString("failed: inflate");
	}
	+ if (expanded_size > 0 && (size_t)out->size() > expanded_size) {
	+ throw QString("file too large");
	+ }
	}

	err = inflateEnd(&d_stream);
	if (err != Z_OK) {
	throw QString("failed: inflateEnd");
	}

	return true;
	} catch (QString const &e) {
	qDebug() << e;
	}
	return false;
	}

	bool GitPack::seekPackedObject(QIODevice file, GitPackIdxItem const item, Info *out)
	{
	try {
	Info info;

	auto Read = [&](void *ptr, size_t len){
	const auto l = file->read((char *)ptr, len);
	if (l < 0 \|\| ((size_t)(l)) != len) {
	throw QString("failed to read");
	}
	info.checksum = crc32(info.checksum, (uint8_t const *)ptr, len);
	};

	file->seek(0);

	uint32_t header[3];
	Read(header, sizeof(int32_t) * 3);
	if (memcmp(header, "PACK", 4) != 0) throw QString("invalid pack file");
	uint32_t version = read_uint32_be(header + 1);
	if (version < 2) throw QString("invalid pack file version");
	/int count = /read_uint32_be(header + 2);

	file->seek(item->offset);

	info.checksum = 0;

	// cf. https://github.com/github/git-msysgit/blob/master/builtin/unpack-objects.c
	{
	size_t size = 0;
	char c;
	Read(&c, 1);
	info.type = (Git::Object::Type)((c >> 4) & 7);
	size = c & 0x0f;
	int shift = 4;
	while (c & 0x80) {
	Read(&c, 1);
	size \|= (c & 0x7f) << shift;
	shift += 7;
	}
	info.expanded_size = size;
	}
	if (info.type == Git::Object::Type::OFS_DELTA) {
	uint64_t offset = 0;
	char c;
	Read(&c, 1);
	offset = c & 0x7f;
	while (c & 0x80) {
	Read(&c, 1);
	offset = ((offset + 1) << 7) \| (c & 0x7f);
	}
	info.offset = offset;
	} else if (info.type == Git::Object::Type::REF_DELTA) {
	char bin[20];
	Read(bin, 20);
	char tmp[41];
	for (int i = 0; i < 20; i++) {
	sprintf(tmp + i * 2, "%02x", bin[i] & 0xff);
	}
	info.ref_id = QString::fromLatin1(tmp, GIT_ID_LENGTH);
	}

	*out = info;
	return true;
	} catch (QString const &e) {
	qDebug() << e;
	}
	return false;
	}

	bool GitPack::load(QIODevice file, GitPackIdxItem const item, Object *out)
	{
	*out = Object();
	try {
	seekPackedObject(file, item, out);

	if (decompress(file, out->expanded_size, &out->content, &out->packed_size, &out->checksum)) {
	out->expanded_size = out->expanded_size;
	return true;
	}
	} catch (QString const &e) {
	qDebug() << e;
	}
	return false;
	}

	bool GitPack::load(QString const &packfile, GitPackIdxItem const item, GitPack::Object out)
	{
	QFile file(packfile);
	if (file.open(QFile::ReadOnly)) {
	if (load(&file, item, out)) {
	return true;
	}
	}
	return false;
	}

	diff --git a/src/texteditor/TextEditorWidget.cpp b/src/texteditor/TextEditorWidget.cpp
	index 0a029ff..989cec2 100644
	--- a/src/texteditor/TextEditorWidget.cpp
	+++ b/src/texteditor/TextEditorWidget.cpp
	@@ -1,847 +1,847 @@
	#include "TextEditorWidget.h"
	#include "TextEditorWidget.h"

	#include <QDebug>
	#include <QFile>
	#include <QFontDatabase>
	#include <QKeyEvent>
	#include <QPainter>
	#include <QScrollBar>
	#include <QApplication>
	#include <functional>
	#include <QMenu>
	#include <QTextCodec>
	#include <QTimer>

	#include "common/misc.h"
	#include "InputMethodPopup.h"
	#include "unicode.h"

	class CharacterSize {
	private:
	QFont font_;
	mutable int ascii_[128];
	mutable int height_ = 0;
	mutable std::map<unsigned int, int> map_;
	public:
	void reset(QFont const &font)
	{
	font_ = font;
	height_ = 0;
	map_.clear();
	for (int i = 0; i < 128; i++) {
	ascii_[i] = 0;
	}
	}
	int width(unsigned int c) const
	{
	if (height_ == 0) {
	QPixmap pm(1, 1);
	QPainter pr(&pm);
	pr.setFont(font_);
	QFontMetrics fm = pr.fontMetrics();
	height_ = fm.ascent() + fm.descent();
	for (int i = 0; i < 0x20; i++) {
	ascii_[i] = 0;
	}
	for (int i = 0x20; i < 0x80; i++) {
	char tmp[2];
	tmp[0] = i;
	tmp[1] = 0;
	ascii_[i] = fm.size(0, tmp).width();
	}
	}
	if (c < 0x80) {
	return ascii_[c];
	}
	auto it = map_.find(c);
	if (it != map_.end()) {
	return it->second;
	} else {
	QPixmap pm(1, 1);
	QPainter pr(&pm);
	pr.setFont(font_);
	QFontMetrics fm = pr.fontMetrics();
	QString s = QChar(c);
	int w = fm.size(0, s).width();
	map_[c] = w;
	return w;
	}
	}
	int height() const
	{
	if (height_ == 0) {
	width(' ');
	}
	return height_;
	}
	};

	struct TextEditorWidget::Private {
	TextEditorWidget::RenderingMode rendering_mode = TextEditorWidget::CharacterMode;
	PreEditText preedit;
	QFont text_font;
	InputMethodPopup *ime_popup = nullptr;
	int top_margin = 0;
	int bottom_margin = 0;
	CharacterSize character_size;
	// int latin1_width_ = 0;
	// int line_height_ = 0;
	int ascent = 0;
	int descent = 0;

	QString status_line;
	QScrollBar *scroll_bar_v = nullptr;
	QScrollBar *scroll_bar_h = nullptr;

	TextEditorThemePtr theme;

	int wheel_delta = 0;

	bool is_focus_frame_visible = false;

	unsigned int idle_count = 0;

	std::function<void(void)> custom_context_menu_requested;
	};

	TextEditorWidget::TextEditorWidget(QWidget *parent)
	: QWidget(parent)
	, m(new Private)
	{
	#ifdef Q_OS_WIN
	setTextFont(QFont("MS Gothic", 10));
	// setTextFont(QFont("MS PGothic", 16));
	#endif
	#ifdef Q_OS_LINUX
	setTextFont(QFont("Monospace", 9));
	#endif
	#ifdef Q_OS_MACX
	setTextFont(QFontDatabase().font("Osaka", "Regular-Mono", 14));
	#endif
	#ifdef Q_OS_HAIKU
	setTextFont(QFont("Noto Mono", 9));
	#endif

	m->top_margin = 0;
	m->bottom_margin = 1;
	QPixmap pm(1, 1);
	QPainter pr(&pm);
	pr.setFont(textFont());
	QFontMetrics fm = pr.fontMetrics();
	m->ascent = fm.ascent();
	m->descent = fm.descent();
	// m->latin1_width = fm.width('l');
	// m->line_height_ = m->ascent + m->descent + m->top_margin + m->bottom_margin;
	// qDebug() << latin1Width() << fm.width("\xe3\x80\x93"); // GETA MARK

	initEditor();

	setFont(textFont());

	setAttribute(Qt::WA_InputMethodEnabled);
	#ifdef Q_OS_WIN
	m->ime_popup = new InputMethodPopup();
	m->ime_popup->setFont(font());
	m->ime_popup->setPreEditText(PreEditText());
	#endif

	setContextMenuPolicy(Qt::DefaultContextMenu);

	setRenderingMode(DecoratedMode);

	updateCursorRect(true);

	startTimer(100);
	}

	TextEditorWidget::~TextEditorWidget()
	{
	delete m;
	}

	void TextEditorWidget::setTheme(TextEditorThemePtr const &theme)
	{
	m->theme = theme;
	}

	TextEditorTheme const *TextEditorWidget::theme() const
	{
	if (!m->theme) {
	const_cast<TextEditorWidget *>(this)->setTheme(TextEditorTheme::Light());
	}
	return m->theme.get();
	}

	void TextEditorWidget::setTextFont(QFont const &font)
	{
	m->text_font = font;
	m->character_size.reset(m->text_font);
	}

	void TextEditorWidget::setRenderingMode(RenderingMode mode)
	{
	m->rendering_mode = mode;
	if (m->rendering_mode == DecoratedMode) {
	showLineNumber(false);
	} else {
	showLineNumber(true);
	}
	update();
	}

	TextEditorWidget::RenderingMode TextEditorWidget::renderingMode() const
	{
	return m->rendering_mode;
	}

	void AbstractCharacterBasedApplication::loadExampleFile()
	{
	#ifdef Q_OS_WIN
	QString path = "C:/develop/ore/example.txt";
	#elif defined(Q_OS_MAC)
	QString path = "/Users/soramimi/develop/ore/example.txt";
	#else
	QString path = "/home/soramimi/develop/ore/example.txt";
	#endif
	openFile(path);
	}

	bool TextEditorWidget::event(QEvent *event)
	{
	if (event->type() == QEvent::Polish) {
	clearParsedLine();
	updateVisibility(true, true, true);
	}
	return QWidget::event(event);
	}

	int TextEditorWidget::charWidth2(unsigned int c) const
	{
	return m->character_size.width(c);
	}

	int TextEditorWidget::lineHeight() const
	{
	return m->character_size.height() + m->top_margin + m->bottom_margin;
	}

	int TextEditorWidget::defaultCharWidth() const
	{
	return m->character_size.width('8');
	// return charWidth2('W');
	}

	int TextEditorWidget::parseLine3(int row, std::vector<Char> *vec) const
	{
	int index = parseLine2(row, vec);
	{
	int pos = 0;
	for (int i = 0; i < (int)vec->size(); i++) {
	vec->at(i).pos = pos;
	pos += m->character_size.width(vec->at(i).unicode);
	}
	}
	return index;
	}

	QPoint TextEditorWidget::mapFromPixel(QPoint const &pt)
	{
	if (1) {
	// int x = pt.x() / defaultCharWidth();
	int y = pt.y() / lineHeight();
	int row = y + cx()->scroll_row_pos - cx()->viewport_org_y;
	int w = defaultCharWidth();
	int x = pt.x() + (cx()->scroll_col_pos - cx()->viewport_org_x) * w;
	// int x = pt.x() + cx()->scroll_col_pos - cx()->viewport_org_x;
	std::vector<Char> vec;
	parseLine3(row, &vec);
	// {
	// int pos = 0;
	// for (int i = 0; i < (int)vec.size(); i++) {
	// vec[i].pos = pos;
	// pos += m->character_size.width(vec[i].unicode);
	// }
	// }
	for (int col = 0; col + 1 < (int)vec.size(); col++) {
	if (x < vec[col + 1].pos) {
	return QPoint(col, row);
	}
	}
	return QPoint(vec.size(), row);
	}

	int x = pt.x() / defaultCharWidth();
	int y = pt.y() / lineHeight();
	return QPoint(x, y);
	}

	QPoint TextEditorWidget::mapToPixel(QPoint const &pt)
	{
	int x = pt.x() * defaultCharWidth();
	int y = pt.y() * lineHeight();
	return QPoint(x, y);
	}

	void TextEditorWidget::bindScrollBar(QScrollBar vsb, QScrollBar hsb)
	{
	m->scroll_bar_v = vsb;
	m->scroll_bar_h = hsb;
	}

	void TextEditorWidget::setupForLogWidget(QScrollBar vsb, QScrollBar hsb, TextEditorThemePtr const &theme)
	{
	bindScrollBar(vsb, hsb);
	setTheme(theme);
	setAutoLayout(true);
	setTerminalMode(true);
	layoutEditor();
	}

	QRect TextEditorWidget::updateCursorRect(bool auto_scroll)
	{
	updateCursorPos(auto_scroll);

	int x = cx()->viewport_org_x + cursorX();
	int y = cx()->viewport_org_y + cursorY();
	x *= defaultCharWidth();
	y *= lineHeight();
	QPoint pt = QPoint(x, y);
	int w = cx()->current_char_span * defaultCharWidth();
	int h = lineHeight();
	cx()->cursor_rect = QRect(pt.x(), pt.y(), w, h);

	QApplication::inputMethod()->update(Qt::ImCursorRectangle);

	return cx()->cursor_rect;
	}

	void TextEditorWidget::internalUpdateScrollBar()
	{
	QScrollBar *sb;

	sb = m->scroll_bar_v;
	if (sb) {
	sb->blockSignals(true);
	sb->setRange(0, document()->lines.size() - cx()->viewport_height / 2);
	sb->setPageStep(editorViewportHeight());
	sb->setValue(cx()->scroll_row_pos);
	sb->blockSignals(false);
	}

	sb = m->scroll_bar_h;
	if (sb) {
	int w = editorViewportWidth();
	sb->blockSignals(true);
	sb->setRange(0, w + 100);
	sb->setPageStep(w);
	sb->setValue(cx()->scroll_col_pos);
	sb->blockSignals(false);
	}

	emit updateScrollBar();
	}

	void TextEditorWidget::internalUpdateVisibility(bool ensure_current_line_visible, bool change_col, bool auto_scroll)
	{
	if (ensure_current_line_visible) {
	ensureCurrentLineVisible();
	}

	updateCursorRect(auto_scroll);

	if (change_col) {
	cx()->current_col_hint = cx()->current_col;
	}

	if (isPaintingSuppressed()) {
	return;
	}

	internalUpdateScrollBar();

	update();
	}

	void TextEditorWidget::updateVisibility(bool ensure_current_line_visible, bool change_col, bool auto_scroll)
	{
	internalUpdateVisibility(ensure_current_line_visible, change_col, auto_scroll);
	emit moved(cx()->current_row, cx()->current_col, cx()->scroll_row_pos, cx()->scroll_col_pos);
	}

	void TextEditorWidget::move(int cur_row, int cur_col, int scr_row, int scr_col, bool auto_scroll)
	{
	if ((cur_row >= 0 && cx()->current_row != cur_row) \|\| (cur_col >= 0 && cx()->current_col != cur_col) \|\| cx()->scroll_row_pos != scr_row \|\| cx()->scroll_col_pos != scr_col) {
	if (cur_row >= 0) cx()->current_row = cur_row;
	if (cur_col >= 0) cx()->current_col = cur_col;
	if (scr_row >= 0) cx()->scroll_row_pos = scr_row;
	if (scr_col >= 0) cx()->scroll_col_pos = scr_col;
	internalUpdateVisibility(false, true, auto_scroll);
	}
	}

	void TextEditorWidget::setPreEditText(const PreEditText &preedit)
	{
	m->preedit = preedit;
	update();
	}

	QFont TextEditorWidget::textFont()
	{
	return m->text_font;
	}

	void TextEditorWidget::drawText(QPainter *painter, int px, int py, QString const &str)
	{
	painter->drawText(px, py + lineHeight() - m->bottom_margin - m->descent, str);
	}

	QColor TextEditorWidget::defaultForegroundColor()
	{
	if (renderingMode() == DecoratedMode) {
	return theme()->fgDefault();
	}
	return Qt::white;
	}

	QColor TextEditorWidget::defaultBackgroundColor()
	{
	if (renderingMode() == DecoratedMode) {
	return theme()->bgDefault();
	}
	return Qt::black;
	}

	QColor TextEditorWidget::colorForIndex(CharAttr const &attr, bool foreground)
	{
	if (foreground && attr.color.isValid()) {
	return attr.color;
	}
	switch (attr.index) {
	case CharAttr::Invert:
	return foreground ? defaultBackgroundColor() : defaultForegroundColor();
	}
	return foreground ? defaultForegroundColor() : Qt::transparent;//defaultBackgroundColor();
	}

	void TextEditorWidget::paintScreen(QPainter *painter)
	{
	int w = screenWidth();
	int h = screenHeight();
	for (int y = 0; y < h; y++) {
	int x = 0;
	int x2 = 0;
	int x3 = 0;
	while (x < w) {
	std::vector<uint16_t> text;
	text.reserve(w);
	int o = y * w;
	CharAttr charattr;
	Character const *line = &screen()->at(o);
	int n = 0;
	while (x + n < w) {
	uint32_t c = line[x + n].c;
	uint32_t d = 0;
	if (c == 0 \|\| c == 0xffff) break;
	if ((c & 0xfc00) == 0xdc00) {
	// surrogate 2nd
	break;
	}
	uint32_t unicode = c;
	if ((c & 0xfc00) == 0xd800) {
	// surrogate 1st
	if (x + n + 1 < w) {
	uint16_t t = line[x + n + 1].c;
	if ((t & 0xfc00) == 0xdc00) {
	d = t;
	unicode = (((c & 0x03c0) + 0x0040) << 10) \| ((c & 0x003f) << 10) \| (d & 0x03ff);
	} else {
	break;
	}
	} else {
	break;
	}
	}
	int cw = charWidth(unicode);
	if (cw < 1) break;
	if (n == 0) {
	charattr = line[x].a;
	} else if (charattr != line[x + n].a) {
	break;
	}
	if (d == 0) {
	text.push_back(c);
	} else { // surrogate pair
	text.push_back(c);
	text.push_back(d);
	}
	x3 += charWidth2(unicode);
	n += cw;
	}
	if (n == 0) {
	n = 1;
	x3 += defaultCharWidth();
	} else if (!text.empty()) {
	QString str = QString::fromUtf16(&text[0], text.size());
	- if (str.startsWith("#include")) {
	- qDebug() << str;
	- }
	+// if (str.startsWith("#include")) {
	+// qDebug() << str;
	+// }
	int px = x * defaultCharWidth();
	int py = y * lineHeight();
	px = x2;
	painter->setFont(textFont());
	QFontMetrics fm = painter->fontMetrics();
	int w = fm.width(str);
	int h = lineHeight();
	QColor fgcolor = colorForIndex(charattr, true);
	QColor bgcolor = colorForIndex(charattr, false);
	painter->fillRect(px, py, w, h, bgcolor);
	painter->setPen(fgcolor);

	drawText(painter, px, py, str);
	}
	x += n;
	x2 = x3;
	}
	}
	}

	void TextEditorWidget::drawCursor(QPainter *pr)
	{
	int col = cx()->viewport_org_x + cursorX();
	int row = cx()->viewport_org_y + cursorY();
	if (col < cx()->viewport_org_x \|\| col >= cx()->viewport_org_x + cx()->viewport_width) return;
	if (row < cx()->viewport_org_y \|\| row >= cx()->viewport_org_y + cx()->viewport_height) return;
	int h = lineHeight();
	int x = col * defaultCharWidth();
	int y = row * h;
	{
	col = cursorX();
	std::vector<Char> vec;
	parseLine3(row, &vec);
	if (vec.empty()) {
	x = 0;
	} else if (col >= 0 && col < vec.size()) {
	x = vec[col].pos;
	} else {
	x = vec.back().pos;
	}
	}
	x += cx()->viewport_org_x * defaultCharWidth();
	pr->fillRect(x -1, y, 2, h, theme()->fgCursor());
	pr->fillRect(x - 2, y, 4, 2, theme()->fgCursor());
	pr->fillRect(x - 2, y + h - 2, 4, 2, theme()->fgCursor());
	}

	void TextEditorWidget::drawFocusFrame(QPainter *pr)
	{
	misc::drawFrame(pr, 0, 0, width(), height(), QColor(0, 128, 255, 128));
	misc::drawFrame(pr, 1, 1, width() - 2, height() - 2, QColor(0, 128, 255, 64));
	}

	void TextEditorWidget::paintEvent(QPaintEvent *)
	{
	bool has_focus = hasFocus();

	preparePaintScreen();

	QPainter pr(this);
	pr.fillRect(0, 0, width(), height(), defaultBackgroundColor());

	// diff mode
	if (renderingMode() == DecoratedMode) {
	auto FillRowBackground = [&](int row, QColor const &color){
	int y = editor_cx->viewport_org_y + row - editor_cx->scroll_row_pos;
	y *= lineHeight();
	pr.fillRect(0, y, width(), lineHeight(), color);
	};
	Document const &doc = editor_cx->engine->document;
	for (int i = 0; i < editor_cx->viewport_height; i++) {
	int row = i + editor_cx->scroll_row_pos;
	if (row < doc.lines.size()) {
	if (doc.lines[row].type == Document::Line::Unknown) {
	FillRowBackground(row, theme()->bgDiffUnknown());
	} else if (doc.lines[row].type == Document::Line::Add) {
	FillRowBackground(row, theme()->bgDiffAdd());
	} else if (doc.lines[row].type == Document::Line::Del) {
	FillRowBackground(row, theme()->bgDiffDel());
	}
	}
	}
	}

	auto visualY = [&](TextEditorContext const *context){
	return context->viewport_org_y + editor_cx->current_row - editor_cx->scroll_row_pos;
	};


	if (has_focus) {
	if (isCursorVisible()) {
	// current line
	if (renderingMode() == DecoratedMode) {
	int x = cx()->viewport_org_x * defaultCharWidth();
	int y = visualY(cx()) * lineHeight();
	pr.fillRect(x, y, width() - x, lineHeight(), theme()->bgCurrentLine());
	pr.fillRect(x, y + lineHeight() - 1, width() - x, 1, theme()->fgCursor());
	}
	int linenum_width = editor_cx->viewport_org_x * defaultCharWidth();
	drawCursor(&pr);
	}
	}

	paintScreen(&pr);

	if (renderingMode() == DecoratedMode) {
	int linenum_width = editor_cx->viewport_org_x * defaultCharWidth();
	auto FillLineNumberBG = [&](int y, int h, QColor color){
	pr.fillRect(0, y, linenum_width - 2, h, color);
	};
	int bottom = editor_cx->bottom_line_y;

	int view_y = editor_cx->viewport_org_y;
	int view_h = editor_cx->viewport_height;
	view_y *= lineHeight();
	view_h *= lineHeight();
	FillLineNumberBG(view_y, view_h, theme()->bgLineNumber());

	paintLineNumbers([&](int y, QString text, Document::Line const *line){
	if (bottom >= 0 && y > bottom) return;
	if (isCursorVisible() && y == visualY(editor_cx.get())) {
	FillLineNumberBG(y * lineHeight(), lineHeight(), theme()->bgCurrentLineNumber());
	}
	pr.setBackground(Qt::transparent);
	pr.setPen(theme()->fgLineNumber());
	drawText(&pr, 0, y * lineHeight(), text);
	if (line) {
	char const *mark = nullptr;
	if (line->type == Document::Line::Add) {
	mark = "+";
	} else if (line->type == Document::Line::Del) {
	mark = "-";
	}
	if (mark) {
	pr.setPen(theme()->fgDefault());
	drawText(&pr, linenum_width - defaultCharWidth() * 3 / 2, y * lineHeight(), mark);
	}
	}
	});

	if (linenum_width > 0) {
	pr.fillRect(0, view_y, 1, view_h, Qt::black);
	}
	pr.fillRect(linenum_width - 2, view_y, 1, view_h, Qt::black);

	if (bottom >= 0) {
	int y = (editor_cx->viewport_org_y + bottom) * lineHeight() + 1;
	pr.fillRect(0, y, width(), 1, Qt::black);
	}
	}

	if (m->is_focus_frame_visible && has_focus) {
	drawFocusFrame(&pr);
	}
	}

	void TextEditorWidget::moveCursorByMouse()
	{
	QPoint mousepos = mapFromGlobal(QCursor::pos());
	QPoint pos = mapFromPixel(mousepos);
	int row = pos.y();
	int col = pos.x();

	// row
	if (!isSingleLineMode()) {
	if (row < 0) {
	row = 0;
	} else {
	int maxrow = cx()->engine->document.lines.size();
	maxrow = maxrow > 0 ? (maxrow - 1) : 0;
	if (row > maxrow) {
	row = maxrow;
	}
	}
	}
	setCursorRow(row, false, true);
	setCursorCol(col, false, true);

	clearParsedLine();
	updateVisibility(false, true, false);
	}

	void TextEditorWidget::mousePressEvent(QMouseEvent *event)
	{
	if (event->button() == Qt::RightButton) return;

	savePos();

	bool shift = (event->modifiers() & Qt::ShiftModifier);
	if (shift) {
	if (isSelectionAnchorEnabled()) {
	setSelectionAnchor(SelectionAnchor::EnabledEasy, false, false);
	} else {
	setSelectionAnchor(SelectionAnchor::EnabledEasy, true, false);
	}
	}

	moveCursorByMouse();

	if (shift) {
	setSelectionAnchor(SelectionAnchor::EnabledEasy, false, false);
	} else {
	setSelectionAnchor(SelectionAnchor::EnabledEasy, true, false);
	}
	selection_anchor_1 = selection_anchor_0;

	if (isTerminalMode()) {
	clearParsedLine();
	restorePos();
	}
	}

	void TextEditorWidget::mouseReleaseEvent(QMouseEvent * /event/)
	{
	}

	void TextEditorWidget::mouseMoveEvent(QMouseEvent * /event/)
	{
	savePos();

	moveCursorByMouse();

	setSelectionAnchor(SelectionAnchor::EnabledEasy, true, false);

	if (isTerminalMode()) {
	clearParsedLine();
	restorePos();
	}
	}

	QVariant TextEditorWidget::inputMethodQuery(Qt::InputMethodQuery q) const
	{
	if (q == Qt::ImCursorRectangle) {
	QRect r = cx()->cursor_rect;
	return r;
	}
	return QWidget::inputMethodQuery(q);
	}

	void TextEditorWidget::inputMethodEvent(QInputMethodEvent *e)
	{
	#ifdef Q_OS_WIN
	PreEditText preedit;
	preedit.text = e->preeditString();
	for (QInputMethodEvent::Attribute const &a : e->attributes()) {
	if (a.type == QInputMethodEvent::TextFormat) {
	QTextFormat f = qvariant_cast<QTextFormat>(a.value);
	if (f.type() == QTextFormat::CharFormat) {
	preedit.format.emplace_back(a.start, a.length, f);
	} else {
	}
	}
	}
	if (preedit.text.isEmpty()) {
	m->ime_popup->hide();
	} else {
	QPoint pt = mapToGlobal(cx()->cursor_rect.topLeft());
	m->ime_popup->move(pt);
	m->ime_popup->setFont(font());
	m->ime_popup->setPreEditText(preedit);
	m->ime_popup->show();
	}
	#endif
	// qDebug() << e->preeditString() << e->commitString();

	QString const &commit_text = e->commitString();
	if (!commit_text.isEmpty()) {
	write_(commit_text, true);
	}
	}

	void TextEditorWidget::refrectScrollBar()
	{
	int v = m->scroll_bar_v ? m->scroll_bar_v->value() : -1;
	int h = m->scroll_bar_h ? m->scroll_bar_h->value() : -1;
	move(-1, -1, v, h, false);
	}

	void TextEditorWidget::layoutEditor()
	{
	if (isAutoLayout()) {
	int h = height() / lineHeight();
	int w = width() / defaultCharWidth();
	setScreenSize(w, h, false);
	}
	AbstractTextEditorApplication::layoutEditor();
	}

	void TextEditorWidget::resizeEvent(QResizeEvent * /event/)
	{
	if (isAutoLayout()) {
	layoutEditor();
	}
	internalUpdateScrollBar();
	}

	void TextEditorWidget::wheelEvent(QWheelEvent *event)
	{
	int pos = 0;
	m->wheel_delta += event->delta();
	while (m->wheel_delta >= 40) {
	m->wheel_delta -= 40;
	pos--;
	}
	while (m->wheel_delta <= -40) {
	m->wheel_delta += 40;
	pos++;
	}
	if (m->scroll_bar_v) {
	m->scroll_bar_v->setValue(m->scroll_bar_v->value() + pos);
	}
	}

	void TextEditorWidget::setFocusFrameVisible(bool f)
	{
	m->is_focus_frame_visible = f;
	}



	void TextEditorWidget::timerEvent(QTimerEvent *)
	{
	if (!isChanged()) {
	m->idle_count++;
	if (m->idle_count >= 10) {
	m->idle_count = 0;
	emit idle();
	}
	}
	}

	void TextEditorWidget::contextMenuEvent(QContextMenuEvent *event)
	{
	QMenu menu;
	QAction *a_cut = nullptr;
	if (!isReadOnly() && !isTerminalMode()) a_cut = menu.addAction("Cut");
	QAction *a_copy = menu.addAction("Copy");
	QAction *a_paste = nullptr;
	if (!isReadOnly() && !isTerminalMode()) a_paste = menu.addAction("Paste");
	QAction *a = menu.exec(misc::contextMenuPos(this, event));
	if (a) {
	if (a == a_cut) {
	editCut();
	return;
	}
	if (a == a_copy) {
	editCopy();
	return;
	}
	if (a == a_paste) {
	editPaste();
	return;
	}
	}
	}

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