mirror of
https://github.com/debauchee/barrier.git
synced 2024-12-21 10:01:42 +03:00
f15c9df85b
clipboard owner support (MS windows done, X windows partial) added key transfer on ms windows mutex fixes in CClient (had race conditions) faster debug output in ms windows changed temporary screen name to "secondary" network fixes on ms windows (poll returned wrong result) fixed transparent cursor on ms windows
138 lines
2.6 KiB
C++
138 lines
2.6 KiB
C++
#include "CClipboard.h"
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//
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// CClipboard
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//
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CClipboard::CClipboard()
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{
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// do nothing
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}
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CClipboard::~CClipboard()
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{
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// do nothing
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}
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bool CClipboard::open()
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{
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// clear all data
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for (SInt32 index = 0; index < kNumFormats; ++index) {
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m_data[index] = "";
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m_added[index] = false;
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}
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return true;
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}
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void CClipboard::close()
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{
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// do nothing
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}
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void CClipboard::add(EFormat format, const CString& data)
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{
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m_data[format] = data;
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m_added[format] = true;
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}
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bool CClipboard::has(EFormat format) const
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{
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return m_added[format];
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}
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CString CClipboard::get(EFormat format) const
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{
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return m_data[format];
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}
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void CClipboard::copy(IClipboard* dst, const IClipboard* src)
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{
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if (dst->open()) {
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for (SInt32 format = 0; format != IClipboard::kNumFormats; ++format) {
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IClipboard::EFormat eFormat = (IClipboard::EFormat)format;
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if (src->has(eFormat)) {
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dst->add(eFormat, src->get(eFormat));
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}
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}
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dst->close();
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}
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}
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void CClipboard::unmarshall(const CString& data)
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{
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const char* index = data.data();
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// clear existing data
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open();
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// read the number of formats
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const UInt32 numFormats = readUInt32(index);
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index += 4;
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// read each format
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for (UInt32 format = 0; format < numFormats; ++format) {
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// get the format id
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UInt32 format = readUInt32(index);
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index += 4;
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// get the size of the format data
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UInt32 size = readUInt32(index);
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index += 4;
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// save the data
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m_added[format] = true;
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m_data[format] = CString(index, size);
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index += size;
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}
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// done
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close();
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}
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CString CClipboard::marshall() const
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{
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CString data;
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// compute size of marshalled data
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UInt32 size = 4;
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UInt32 numFormats = 0;
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UInt32 format;
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for (format = 0; format != IClipboard::kNumFormats; ++format) {
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if (m_added[format]) {
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++numFormats;
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size += 4 + 4 + m_data[format].size();
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}
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}
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// allocate space
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data.reserve(size);
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// marshall the data
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writeUInt32(&data, numFormats);
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for (format = 0; format != IClipboard::kNumFormats; ++format) {
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if (m_added[format]) {
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writeUInt32(&data, format);
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writeUInt32(&data, m_data[format].size());
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data += m_data[format];
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}
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}
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return data;
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}
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UInt32 CClipboard::readUInt32(const char* buf) const
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{
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return (static_cast<UInt32>(buf[0]) << 24) |
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(static_cast<UInt32>(buf[1]) << 16) |
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(static_cast<UInt32>(buf[2]) << 8) |
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static_cast<UInt32>(buf[3]);
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}
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void CClipboard::writeUInt32(CString* buf, UInt32 v) const
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{
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*buf += static_cast<UInt8>((v >> 24) & 0xff);
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*buf += static_cast<UInt8>((v >> 16) & 0xff);
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*buf += static_cast<UInt8>((v >> 8) & 0xff);
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*buf += static_cast<UInt8>( v & 0xff);
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}
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