X-Git-Url: http://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Fdecoder_binary%2FQHexView.hpp;fp=pv%2Fviews%2Fdecoder_binary%2FQHexView.hpp;h=c39dcb2099064064570fd45b52da834303f76ea4;hp=0000000000000000000000000000000000000000;hb=121307b3c50d981638cbe1e33ba5410bb2b11dd1;hpb=a767229eb18acbd70af38bb660c8ebd1bbd82e73

diff --git a/pv/views/decoder_binary/QHexView.hpp b/pv/views/decoder_binary/QHexView.hpp
new file mode 100644
index 00000000..c39dcb20
--- /dev/null
+++ b/pv/views/decoder_binary/QHexView.hpp
@@ -0,0 +1,101 @@
+/*
+ * 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.
+ */
+
+#ifndef PULSEVIEW_PV_VIEWS_DECODERBINARY_QHEXVIEW_H
+#define PULSEVIEW_PV_VIEWS_DECODERBINARY_QHEXVIEW_H
+
+#include <QAbstractScrollArea>
+
+#include <pv/data/decodesignal.hpp>
+
+using std::pair;
+using std::size_t;
+using pv::data::DecodeBinaryClass;
+using pv::data::DecodeBinaryDataChunk;
+
+class QHexView: public QAbstractScrollArea
+{
+	Q_OBJECT
+
+public:
+	enum Mode {
+		ChunkedDataMode,    ///< Displays all data chunks in succession
+		MemoryEmulationMode ///< Reconstructs memory contents from data chunks
+	};
+
+public:
+	QHexView(QWidget *parent = nullptr);
+
+	void set_mode(Mode m);
+	void set_data(const DecodeBinaryClass* data);
+	unsigned int get_bytes_per_line() const;
+
+	void clear();
+	void showFromOffset(size_t offset);
+	virtual QSizePolicy sizePolicy() const;
+
+	pair<size_t, size_t> get_selection() const;
+
+	size_t create_hex_line(size_t start, size_t end, QString* dest,
+		bool with_offset=false, bool with_ascii=false);
+
+protected:
+	void initialize_byte_iterator(size_t offset);
+	uint8_t get_next_byte(bool* is_next_chunk = nullptr);
+
+	void paintEvent(QPaintEvent *event);
+	void keyPressEvent(QKeyEvent *event);
+	void mouseMoveEvent(QMouseEvent *event);
+	void mousePressEvent(QMouseEvent *event);
+
+private:
+	QSize getFullSize() const;
+	void resetSelection();
+	void resetSelection(int pos);
+	void setSelection(int pos);
+	void ensureVisible();
+	void setCursorPos(int pos);
+	size_t cursorPosFromMousePos(const QPoint &position);
+
+private:
+	Mode mode_;
+	const DecodeBinaryClass* data_;
+	size_t data_size_;
+
+	size_t posAddr_, posHex_, posAscii_;
+	size_t charWidth_, charHeight_;
+	size_t selectBegin_, selectEnd_, selectInit_, cursorPos_;
+
+	size_t current_chunk_id_, current_chunk_offset_, current_offset_;
+	DecodeBinaryDataChunk current_chunk_; // Cache locally so that we're not messed up when the vector is re-allocating its data
+
+	vector<QColor> chunk_colors_;
+};
+
+#endif /* PULSEVIEW_PV_VIEWS_DECODERBINARY_QHEXVIEW_H */