From 8a3bbb908702c6b1b710e42104fed7110ea17115 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9F=D0=B5=D0=BB=D0=B8=D0=BF=D0=B5=D0=BD=D0=BA=D0=BE=20?=
 =?UTF-8?q?=D0=98=D0=B2=D0=B0=D0=BD?= <peri4ko@yandex.ru>
Date: Mon, 18 Dec 2017 18:34:06 +0000
Subject: [PATCH] git-svn-id: svn://db.shs.com.ru/libs@342
 a8b55f48-bf90-11e4-a774-851b48703e85

---
 qad/widgets/qcodeedit.cpp | 40 +++++++++++++++++++++++++++++++++++----
 qad/widgets/qcodeedit.h   |  2 +-
 2 files changed, 37 insertions(+), 5 deletions(-)

diff --git a/qad/widgets/qcodeedit.cpp b/qad/widgets/qcodeedit.cpp
index 7cffc13..9c807f4 100644
--- a/qad/widgets/qcodeedit.cpp
+++ b/qad/widgets/qcodeedit.cpp
@@ -19,7 +19,7 @@ QCodeEdit::QCodeEdit(QWidget * parent): QWidget(parent) {
 	ui = new Ui::QCodeEdit();
 	ui->setupUi(this);
 	ui->widgetSearch->hide();
-	prev_lc = auto_comp_pl = cur_search_ind = -1;
+	prev_lc = auto_comp_pl = cur_search_ind = pos_press = pos_el_press = -1;
 	timer = 0;
 	_ignore_focus_out = _destructor = _replacing = false;
 	_first = true;
@@ -277,7 +277,7 @@ bool QCodeEdit::eventFilter(QObject * o, QEvent * e) {
 		return QWidget::eventFilter(o, e);
 	}
 	if (ui->textLines) {
-		if (o == ui->textLines->viewport()) {
+		if (o == ui->textLines->viewport()) {/*
 			if (e->type() == QEvent::MouseButtonPress || e->type() == QEvent::MouseButtonRelease ||
 				e->type() == QEvent::MouseMove || e->type() == QEvent::MouseButtonDblClick) {
 #if (QT_VERSION < 0x050000)
@@ -287,10 +287,42 @@ bool QCodeEdit::eventFilter(QObject * o, QEvent * e) {
 #endif
 				QApplication::sendEvent(ui->textCode->viewport(), e);
 				return true;
-			}
-			if (e->type() == QEvent::Wheel) {
+			}*/
+			QTextCursor tc;
+			int tcpos = 0;
+			switch (e->type()) {
+			case QEvent::MouseButtonPress:
+				tc = ui->textCode->cursorForPosition(((QMouseEvent*)e)->pos());
+				tc.movePosition(QTextCursor::EndOfLine);
+				pos_el_press = tc.anchor();
+				tc.movePosition(QTextCursor::StartOfLine);
+				pos_press = tc.anchor();
+				if (!tc.movePosition(QTextCursor::Down, QTextCursor::KeepAnchor))
+					tc.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
+				ui->textCode->setTextCursor(tc);
+				return true;
+			case QEvent::MouseMove:
+				tc = ui->textCode->cursorForPosition(((QMouseEvent*)e)->pos());
+				tc.movePosition(QTextCursor::StartOfLine);
+				if (pos_press == tc.anchor()) {
+					if (!tc.movePosition(QTextCursor::Down, QTextCursor::KeepAnchor))
+						tc.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
+					ui->textCode->setTextCursor(tc);
+					return true;
+				}
+				if (pos_press < tc.anchor()) {
+					if (!tc.movePosition(QTextCursor::Down, QTextCursor::KeepAnchor))
+						tc.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
+				}
+				tcpos = tc.position();
+				tc.setPosition(pos_press < tc.anchor() ? pos_press : pos_el_press);
+				tc.setPosition(tcpos, QTextCursor::KeepAnchor);
+				ui->textCode->setTextCursor(tc);
+				return true;
+			case QEvent::Wheel:
 				QApplication::sendEvent(ui->textCode->viewport(), e);
 				return true;
+			default: break;
 			}
 		}
 	}
diff --git a/qad/widgets/qcodeedit.h b/qad/widgets/qcodeedit.h
index 744e347..86096ab 100644
--- a/qad/widgets/qcodeedit.h
+++ b/qad/widgets/qcodeedit.h
@@ -92,7 +92,7 @@ private:
 	QList<QTextEdit::ExtraSelection> es_selected, es_custom, es_brackets, es_search_list;
 	QMap<int, ACClass> ac_classes;
 	QStringList cursor_scope;
-	int prev_lc, auto_comp_pl, timer, cur_search_ind;
+	int prev_lc, auto_comp_pl, timer, cur_search_ind, pos_press, pos_el_press;
 	bool spaces_, _ignore_focus_out, _first, _destructor, _replacing;
 	
 	bool eventFilter(QObject * o, QEvent * e);