--- /dev/null
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2015 Victor Anjin <virinext@gmail.com>
+ * Copyright (C) 2019 Soeren Apel <soeren@apelpie.net>
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <QApplication>
+#include <QClipboard>
+#include <QDebug>
+#include <QFont>
+#include <QKeyEvent>
+#include <QScrollBar>
+#include <QSize>
+#include <QPainter>
+#include <QPaintEvent>
+
+#include "QHexView.hpp"
+
+const unsigned int BYTES_PER_LINE = 16;
+const unsigned int HEXCHARS_IN_LINE = BYTES_PER_LINE * 3 - 1;
+const unsigned int GAP_ADR_HEX = 10;
+const unsigned int GAP_HEX_ASCII = 10;
+const unsigned int GAP_ASCII_SLIDER = 5;
+
+
+QHexView::QHexView(QWidget *parent):
+ QAbstractScrollArea(parent),
+ mode_(ChunkedDataMode),
+ data_(nullptr),
+ selectBegin_(0),
+ selectEnd_(0),
+ cursorPos_(0)
+{
+ setFont(QFont("Courier", 10));
+
+ charWidth_ = fontMetrics().boundingRect('X').width();
+ charHeight_ = fontMetrics().height();
+
+ // Determine X coordinates of the three sub-areas
+ posAddr_ = 0;
+ posHex_ = 10 * charWidth_ + GAP_ADR_HEX;
+ posAscii_ = posHex_ + HEXCHARS_IN_LINE * charWidth_ + GAP_HEX_ASCII;
+
+ setFocusPolicy(Qt::StrongFocus);
+
+ if (palette().color(QPalette::ButtonText).toHsv().value() > 127) {
+ // Color is bright
+ chunk_colors_.emplace_back(100, 149, 237); // QColorConstants::Svg::cornflowerblue
+ chunk_colors_.emplace_back(60, 179, 113); // QColorConstants::Svg::mediumseagreen
+ chunk_colors_.emplace_back(210, 180, 140); // QColorConstants::Svg::tan
+ } else {
+ // Color is dark
+ chunk_colors_.emplace_back(0, 0, 139); // QColorConstants::Svg::darkblue
+ chunk_colors_.emplace_back(34, 139, 34); // QColorConstants::Svg::forestgreen
+ chunk_colors_.emplace_back(160, 82, 45); // QColorConstants::Svg::sienna
+ }
+}
+
+void QHexView::set_mode(Mode m)
+{
+ mode_ = m;
+
+ // This is not expected to be set when data is showing,
+ // so we don't update the viewport here
+}
+
+void QHexView::set_data(const DecodeBinaryClass* data)
+{
+ data_ = data;
+
+ size_t size = 0;
+ if (data) {
+ size_t chunks = data_->chunks.size();
+ for (size_t i = 0; i < chunks; i++)
+ size += data_->chunks[i].data.size();
+ }
+ data_size_ = size;
+
+ viewport()->update();
+}
+
+unsigned int QHexView::get_bytes_per_line() const
+{
+ return BYTES_PER_LINE;
+}
+
+void QHexView::clear()
+{
+ verticalScrollBar()->setValue(0);
+ data_ = nullptr;
+ data_size_ = 0;
+
+ viewport()->update();
+}
+
+void QHexView::showFromOffset(size_t offset)
+{
+ if (data_ && (offset < data_size_)) {
+ setCursorPos(offset * 2);
+
+ int cursorY = cursorPos_ / (2 * BYTES_PER_LINE);
+ verticalScrollBar() -> setValue(cursorY);
+ }
+
+ viewport()->update();
+}
+
+QSizePolicy QHexView::sizePolicy() const
+{
+ return QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
+}
+
+pair<size_t, size_t> QHexView::get_selection() const
+{
+ size_t start = selectBegin_ / 2;
+ size_t end = selectEnd_ / 2;
+
+ if (start == end) {
+ // Nothing is currently selected
+ start = 0;
+ end = data_size_;
+ } if (end < data_size_)
+ end++;
+
+ return std::make_pair(start, end);
+}
+
+size_t QHexView::create_hex_line(size_t start, size_t end, QString* dest,
+ bool with_offset, bool with_ascii)
+{
+ dest->clear();
+
+ // Determine start address for the row
+ uint64_t row = start / BYTES_PER_LINE;
+ uint64_t offset = row * BYTES_PER_LINE;
+ end = std::min((uint64_t)end, offset + BYTES_PER_LINE);
+
+ if (with_offset)
+ dest->append(QString("%1 ").arg(row * BYTES_PER_LINE, 10, 16, QChar('0')).toUpper());
+
+ initialize_byte_iterator(offset);
+ for (size_t i = offset; i < offset + BYTES_PER_LINE; i++) {
+ uint8_t value = 0;
+
+ if (i < end)
+ value = get_next_byte();
+
+ if ((i < start) || (i >= end))
+ dest->append(" ");
+ else
+ dest->append(QString("%1 ").arg(value, 2, 16, QChar('0')).toUpper());
+ }
+
+ if (with_ascii) {
+ initialize_byte_iterator(offset);
+ for (size_t i = offset; i < end; i++) {
+ uint8_t value = get_next_byte();
+
+ if ((value < 0x20) || (value > 0x7E))
+ value = '.';
+
+ if (i < start)
+ dest->append(' ');
+ else
+ dest->append((char)value);
+ }
+ }
+
+ return end;
+}
+
+void QHexView::initialize_byte_iterator(size_t offset)
+{
+ current_chunk_id_ = 0;
+ current_chunk_offset_ = 0;
+ current_offset_ = offset;
+
+ size_t chunks = data_->chunks.size();
+ for (size_t i = 0; i < chunks; i++) {
+ size_t size = data_->chunks[i].data.size();
+
+ if (offset >= size) {
+ current_chunk_id_++;
+ offset -= size;
+ } else {
+ current_chunk_offset_ = offset;
+ break;
+ }
+ }
+
+ if (current_chunk_id_ < data_->chunks.size())
+ current_chunk_ = data_->chunks[current_chunk_id_];
+}
+
+uint8_t QHexView::get_next_byte(bool* is_next_chunk)
+{
+ if (is_next_chunk != nullptr)
+ *is_next_chunk = (current_chunk_offset_ == 0);
+
+ uint8_t v = 0;
+ if (current_chunk_offset_ < current_chunk_.data.size())
+ v = current_chunk_.data[current_chunk_offset_];
+
+ current_offset_++;
+ current_chunk_offset_++;
+
+ if (current_offset_ > data_size_) {
+ qWarning() << "QHexView::get_next_byte() overran binary data boundary:" <<
+ current_offset_ << "of" << data_size_ << "bytes";
+ return 0xEE;
+ }
+
+ if ((current_chunk_offset_ == current_chunk_.data.size()) && (current_offset_ < data_size_)) {
+ current_chunk_id_++;
+ current_chunk_offset_ = 0;
+ current_chunk_ = data_->chunks[current_chunk_id_];
+ }
+
+ return v;
+}
+
+QSize QHexView::getFullSize() const
+{
+ size_t width = posAscii_ + (BYTES_PER_LINE * charWidth_);
+
+ if (verticalScrollBar()->isEnabled())
+ width += GAP_ASCII_SLIDER + verticalScrollBar()->width();
+
+ if (!data_ || (data_size_ == 0))
+ return QSize(width, 0);
+
+ size_t height = data_size_ / BYTES_PER_LINE;
+
+ if (data_size_ % BYTES_PER_LINE)
+ height++;
+
+ height *= charHeight_;
+
+ return QSize(width, height);
+}
+
+void QHexView::paintEvent(QPaintEvent *event)
+{
+ QPainter painter(viewport());
+
+ // Calculate and update the widget and paint area sizes
+ QSize widgetSize = getFullSize();
+ setMinimumWidth(widgetSize.width());
+ setMaximumWidth(widgetSize.width());
+ QSize areaSize = viewport()->size() - QSize(0, charHeight_);
+
+ // Only show scrollbar if the content goes beyond the visible area
+ if (widgetSize.height() > areaSize.height()) {
+ verticalScrollBar()->setEnabled(true);
+ verticalScrollBar()->setPageStep(areaSize.height() / charHeight_);
+ verticalScrollBar()->setRange(0, ((widgetSize.height() - areaSize.height())) / charHeight_ + 1);
+ } else
+ verticalScrollBar()->setEnabled(false);
+
+ // Fill widget background
+ painter.fillRect(event->rect(), palette().color(QPalette::Base));
+
+ if (!data_ || (data_size_ == 0)) {
+ painter.setPen(palette().color(QPalette::Text));
+ QString s = tr("No data available");
+ int x = (areaSize.width() - fontMetrics().boundingRect(s).width()) / 2;
+ int y = areaSize.height() / 2;
+ painter.drawText(x, y, s);
+ return;
+ }
+
+ // Determine first/last line indices
+ size_t firstLineIdx = verticalScrollBar()->value();
+
+ size_t lastLineIdx = firstLineIdx + (areaSize.height() / charHeight_);
+ if (lastLineIdx > (data_size_ / BYTES_PER_LINE)) {
+ lastLineIdx = data_size_ / BYTES_PER_LINE;
+ if (data_size_ % BYTES_PER_LINE)
+ lastLineIdx++;
+ }
+
+ // Paint divider line between hex and ASCII areas
+ int line_x = posAscii_ - (GAP_HEX_ASCII / 2);
+ painter.setPen(palette().color(QPalette::Midlight));
+ painter.drawLine(line_x, event->rect().top(), line_x, height());
+
+ // Fill address area background
+ painter.fillRect(QRect(posAddr_, event->rect().top(),
+ posHex_ - (GAP_ADR_HEX / 2), height()), palette().color(QPalette::Window));
+ painter.fillRect(QRect(posAddr_, event->rect().top(),
+ posAscii_ - (GAP_HEX_ASCII / 2), charHeight_ + 2), palette().color(QPalette::Window));
+
+ // Paint address area
+ painter.setPen(palette().color(QPalette::ButtonText));
+
+ int yStart = 2 * charHeight_;
+ for (size_t lineIdx = firstLineIdx, y = yStart; lineIdx < lastLineIdx; lineIdx++) {
+
+ QString address = QString("%1").arg(lineIdx * 16, 10, 16, QChar('0')).toUpper();
+ painter.drawText(posAddr_, y, address);
+ y += charHeight_;
+ }
+
+ // Paint top row with hex offsets
+ painter.setPen(palette().color(QPalette::ButtonText));
+ for (int offset = 0; offset <= 0xF; offset++)
+ painter.drawText(posHex_ + (1 + offset * 3) * charWidth_,
+ charHeight_ - 3, QString::number(offset, 16).toUpper());
+
+ // Paint hex values
+ QBrush regular = palette().buttonText();
+ QBrush selected = palette().highlight();
+
+ bool multiple_chunks = (data_->chunks.size() > 1);
+ unsigned int chunk_color = 0;
+
+ initialize_byte_iterator(firstLineIdx * BYTES_PER_LINE);
+ yStart = 2 * charHeight_;
+ for (size_t lineIdx = firstLineIdx, y = yStart; lineIdx < lastLineIdx; lineIdx++) {
+
+ int x = posHex_;
+ for (size_t i = 0; (i < BYTES_PER_LINE) && (current_offset_ < data_size_); i++) {
+ size_t pos = (lineIdx * BYTES_PER_LINE + i) * 2;
+
+ // Fetch byte
+ bool is_next_chunk;
+ uint8_t byte_value = get_next_byte(&is_next_chunk);
+
+ if (is_next_chunk) {
+ chunk_color++;
+ if (chunk_color == chunk_colors_.size())
+ chunk_color = 0;
+ }
+
+ if ((pos >= selectBegin_) && (pos < selectEnd_)) {
+ painter.setBackgroundMode(Qt::OpaqueMode);
+ painter.setBackground(selected);
+ painter.setPen(palette().color(QPalette::HighlightedText));
+ } else {
+ painter.setBackground(regular);
+ painter.setBackgroundMode(Qt::TransparentMode);
+ if (!multiple_chunks)
+ painter.setPen(palette().color(QPalette::Text));
+ else
+ painter.setPen(chunk_colors_[chunk_color]);
+ }
+
+ // First nibble
+ QString val = QString::number((byte_value & 0xF0) >> 4, 16).toUpper();
+ painter.drawText(x, y, val);
+
+ // Second nibble
+ val = QString::number((byte_value & 0xF), 16).toUpper();
+ painter.drawText(x + charWidth_, y, val);
+
+ if ((pos >= selectBegin_) && (pos < selectEnd_ - 1) && (i < BYTES_PER_LINE - 1))
+ painter.drawText(x + 2 * charWidth_, y, QString(' '));
+
+ x += 3 * charWidth_;
+ }
+
+ y += charHeight_;
+ }
+
+ // Paint ASCII characters
+ initialize_byte_iterator(firstLineIdx * BYTES_PER_LINE);
+ yStart = 2 * charHeight_;
+ for (size_t lineIdx = firstLineIdx, y = yStart; lineIdx < lastLineIdx; lineIdx++) {
+
+ int x = posAscii_;
+ for (size_t i = 0; (i < BYTES_PER_LINE) && (current_offset_ < data_size_); i++) {
+ // Fetch byte
+ uint8_t ch = get_next_byte();
+
+ if ((ch < 0x20) || (ch > 0x7E))
+ ch = '.';
+
+ size_t pos = (lineIdx * BYTES_PER_LINE + i) * 2;
+ if ((pos >= selectBegin_) && (pos < selectEnd_)) {
+ painter.setBackgroundMode(Qt::OpaqueMode);
+ painter.setBackground(selected);
+ painter.setPen(palette().color(QPalette::HighlightedText));
+ } else {
+ painter.setBackgroundMode(Qt::TransparentMode);
+ painter.setBackground(regular);
+ painter.setPen(palette().color(QPalette::Text));
+ }
+
+ painter.drawText(x, y, QString(ch));
+ x += charWidth_;
+ }
+
+ y += charHeight_;
+ }
+
+ // Paint cursor
+ if (hasFocus()) {
+ int x = (cursorPos_ % (2 * BYTES_PER_LINE));
+ int y = cursorPos_ / (2 * BYTES_PER_LINE);
+ y -= firstLineIdx;
+ int cursorX = (((x / 2) * 3) + (x % 2)) * charWidth_ + posHex_;
+ int cursorY = charHeight_ + y * charHeight_ + 4;
+ painter.fillRect(cursorX, cursorY, 2, charHeight_, palette().color(QPalette::WindowText));
+ }
+}
+
+void QHexView::keyPressEvent(QKeyEvent *event)
+{
+ bool setVisible = false;
+
+ // Cursor movements
+ if (event->matches(QKeySequence::MoveToNextChar)) {
+ setCursorPos(cursorPos_ + 1);
+ resetSelection(cursorPos_);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::MoveToPreviousChar)) {
+ setCursorPos(cursorPos_ - 1);
+ resetSelection(cursorPos_);
+ setVisible = true;
+ }
+
+ if (event->matches(QKeySequence::MoveToEndOfLine)) {
+ setCursorPos(cursorPos_ | ((BYTES_PER_LINE * 2) - 1));
+ resetSelection(cursorPos_);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::MoveToStartOfLine)) {
+ setCursorPos(cursorPos_ | (cursorPos_ % (BYTES_PER_LINE * 2)));
+ resetSelection(cursorPos_);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::MoveToPreviousLine)) {
+ setCursorPos(cursorPos_ - BYTES_PER_LINE * 2);
+ resetSelection(cursorPos_);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::MoveToNextLine)) {
+ setCursorPos(cursorPos_ + BYTES_PER_LINE * 2);
+ resetSelection(cursorPos_);
+ setVisible = true;
+ }
+
+ if (event->matches(QKeySequence::MoveToNextPage)) {
+ setCursorPos(cursorPos_ + (viewport()->height() / charHeight_ - 1) * 2 * BYTES_PER_LINE);
+ resetSelection(cursorPos_);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::MoveToPreviousPage)) {
+ setCursorPos(cursorPos_ - (viewport()->height() / charHeight_ - 1) * 2 * BYTES_PER_LINE);
+ resetSelection(cursorPos_);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::MoveToEndOfDocument)) {
+ setCursorPos(data_size_ * 2);
+ resetSelection(cursorPos_);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::MoveToStartOfDocument)) {
+ setCursorPos(0);
+ resetSelection(cursorPos_);
+ setVisible = true;
+ }
+
+ // Select commands
+ if (event->matches(QKeySequence::SelectAll)) {
+ resetSelection(0);
+ setSelection(2 * data_size_);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::SelectNextChar)) {
+ int pos = cursorPos_ + 1;
+ setCursorPos(pos);
+ setSelection(pos);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::SelectPreviousChar)) {
+ int pos = cursorPos_ - 1;
+ setSelection(pos);
+ setCursorPos(pos);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::SelectEndOfLine)) {
+ int pos = cursorPos_ - (cursorPos_ % (2 * BYTES_PER_LINE)) + (2 * BYTES_PER_LINE);
+ setCursorPos(pos);
+ setSelection(pos);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::SelectStartOfLine)) {
+ int pos = cursorPos_ - (cursorPos_ % (2 * BYTES_PER_LINE));
+ setCursorPos(pos);
+ setSelection(pos);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::SelectPreviousLine)) {
+ int pos = cursorPos_ - (2 * BYTES_PER_LINE);
+ setCursorPos(pos);
+ setSelection(pos);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::SelectNextLine)) {
+ int pos = cursorPos_ + (2 * BYTES_PER_LINE);
+ setCursorPos(pos);
+ setSelection(pos);
+ setVisible = true;
+ }
+
+ if (event->matches(QKeySequence::SelectNextPage)) {
+ int pos = cursorPos_ + (((viewport()->height() / charHeight_) - 1) * 2 * BYTES_PER_LINE);
+ setCursorPos(pos);
+ setSelection(pos);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::SelectPreviousPage)) {
+ int pos = cursorPos_ - (((viewport()->height() / charHeight_) - 1) * 2 * BYTES_PER_LINE);
+ setCursorPos(pos);
+ setSelection(pos);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::SelectEndOfDocument)) {
+ int pos = data_size_ * 2;
+ setCursorPos(pos);
+ setSelection(pos);
+ setVisible = true;
+ }
+ if (event->matches(QKeySequence::SelectStartOfDocument)) {
+ setCursorPos(0);
+ setSelection(0);
+ setVisible = true;
+ }
+
+ if (event->matches(QKeySequence::Copy) && (data_)) {
+ QString text;
+
+ initialize_byte_iterator(selectBegin_ / 2);
+
+ size_t selectedSize = (selectEnd_ - selectBegin_ + 1) / 2;
+ for (size_t i = 0; i < selectedSize; i++) {
+ uint8_t byte_value = get_next_byte();
+
+ QString s = QString::number((byte_value & 0xF0) >> 4, 16).toUpper() +
+ QString::number((byte_value & 0xF), 16).toUpper() + " ";
+ text += s;
+
+ if (i % BYTES_PER_LINE == (BYTES_PER_LINE - 1))
+ text += "\n";
+ }
+
+ QClipboard *clipboard = QApplication::clipboard();
+ clipboard->setText(text, QClipboard::Clipboard);
+ if (clipboard->supportsSelection())
+ clipboard->setText(text, QClipboard::Selection);
+ }
+
+ if (setVisible)
+ ensureVisible();
+
+ viewport()->update();
+}
+
+void QHexView::mouseMoveEvent(QMouseEvent *event)
+{
+ int actPos = cursorPosFromMousePos(event->pos());
+ setCursorPos(actPos);
+ setSelection(actPos);
+
+ viewport()->update();
+}
+
+void QHexView::mousePressEvent(QMouseEvent *event)
+{
+ int cPos = cursorPosFromMousePos(event->pos());
+
+ if ((QApplication::keyboardModifiers() & Qt::ShiftModifier) && (event->button() == Qt::LeftButton))
+ setSelection(cPos);
+ else
+ resetSelection(cPos);
+
+ setCursorPos(cPos);
+
+ viewport()->update();
+}
+
+size_t QHexView::cursorPosFromMousePos(const QPoint &position)
+{
+ size_t pos = -1;
+
+ if (((size_t)position.x() >= posHex_) &&
+ ((size_t)position.x() < (posHex_ + HEXCHARS_IN_LINE * charWidth_))) {
+
+ // Note: We add 1.5 character widths so that selection across
+ // byte gaps is smoother
+ size_t x = (position.x() + (1.5 * charWidth_ / 2) - posHex_) / charWidth_;
+
+ // Note: We allow only full bytes to be selected, not nibbles,
+ // so we round to the nearest byte gap
+ x = (2 * x + 1) / 3;
+
+ size_t firstLineIdx = verticalScrollBar()->value();
+ size_t y = ((position.y() / charHeight_) - 1) * 2 * BYTES_PER_LINE;
+ pos = x + y + firstLineIdx * BYTES_PER_LINE * 2;
+ }
+
+ size_t max_pos = data_size_ * 2;
+
+ return std::min(pos, max_pos);
+}
+
+void QHexView::resetSelection()
+{
+ selectBegin_ = selectInit_;
+ selectEnd_ = selectInit_;
+}
+
+void QHexView::resetSelection(int pos)
+{
+ if (pos < 0)
+ pos = 0;
+
+ selectInit_ = pos;
+ selectBegin_ = pos;
+ selectEnd_ = pos;
+}
+
+void QHexView::setSelection(int pos)
+{
+ if (pos < 0)
+ pos = 0;
+
+ if ((size_t)pos >= selectInit_) {
+ selectEnd_ = pos;
+ selectBegin_ = selectInit_;
+ } else {
+ selectBegin_ = pos;
+ selectEnd_ = selectInit_;
+ }
+}
+
+void QHexView::setCursorPos(int position)
+{
+ if (position < 0)
+ position = 0;
+
+ int max_pos = data_size_ * 2;
+
+ if (position > max_pos)
+ position = max_pos;
+
+ cursorPos_ = position;
+}
+
+void QHexView::ensureVisible()
+{
+ QSize areaSize = viewport()->size();
+
+ int firstLineIdx = verticalScrollBar()->value();
+ int lastLineIdx = firstLineIdx + areaSize.height() / charHeight_;
+
+ int cursorY = cursorPos_ / (2 * BYTES_PER_LINE);
+
+ if (cursorY < firstLineIdx)
+ verticalScrollBar()->setValue(cursorY);
+ else
+ if(cursorY >= lastLineIdx)
+ verticalScrollBar()->setValue(cursorY - areaSize.height() / charHeight_ + 1);
+}
projects / pulseview.git / blobdiff