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Prevented open clipboard twice #4815

This commit is contained in:
Jerry 2015-07-06 13:00:28 -07:00
parent 6e74655e78
commit 23739f8484
2 changed files with 51 additions and 46 deletions
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5
src/lib/platform/XWindowsClipboard.cpp
View File

@ -314,7 +314,10 @@ XWindowsClipboard::add(EFormat format, const String& data)
bool
XWindowsClipboard::open(Time time) const
{
assert(!m_open);
if (m_open) {
return false;
LOG((CLOG_DEBUG "failed to open clipboard: already opened"));
}
LOG((CLOG_DEBUG "open clipboard %d", m_id));

92
src/lib/synergy/IClipboard.cpp
View File

@ -30,36 +30,37 @@ IClipboard::unmarshall(IClipboard* clipboard, const String& data, Time time)
const char* index = data.data();
// clear existing data
clipboard->open(time);
clipboard->empty();
if (clipboard->open(time)) {
// clear existing data
clipboard->empty();
// read the number of formats
const UInt32 numFormats = readUInt32(index);
index += 4;
// read each format
for (UInt32 i = 0; i < numFormats; ++i) {
// get the format id
IClipboard::EFormat format =
static_cast<IClipboard::EFormat>(readUInt32(index));
// read the number of formats
const UInt32 numFormats = readUInt32(index);
index += 4;
// get the size of the format data
UInt32 size = readUInt32(index);
index += 4;
// read each format
for (UInt32 i = 0; i < numFormats; ++i) {
// get the format id
IClipboard::EFormat format =
static_cast<IClipboard::EFormat>(readUInt32(index));
index += 4;
// save the data if it's a known format. if either the client
// or server supports more clipboard formats than the other
// then one of them will get a format >= kNumFormats here.
if (format <IClipboard::kNumFormats) {
clipboard->add(format, String(index, size));
// get the size of the format data
UInt32 size = readUInt32(index);
index += 4;
// save the data if it's a known format. if either the client
// or server supports more clipboard formats than the other
// then one of them will get a format >= kNumFormats here.
if (format <IClipboard::kNumFormats) {
clipboard->add(format, String(index, size));
}
index += size;
}
index += size;
}
// done
clipboard->close();
// done
clipboard->close();
}
}
String
@ -72,33 +73,34 @@ IClipboard::marshall(const IClipboard* clipboard)
std::vector<String> formatData;
formatData.resize(IClipboard::kNumFormats);
// FIXME -- use current time
clipboard->open(0);
if (clipboard->open(0)) {
// compute size of marshalled data
UInt32 size = 4;
UInt32 numFormats = 0;
for (UInt32 format = 0; format != IClipboard::kNumFormats; ++format) {
if (clipboard->has(static_cast<IClipboard::EFormat>(format))) {
++numFormats;
formatData[format] =
clipboard->get(static_cast<IClipboard::EFormat>(format));
size += 4 + 4 + (UInt32)formatData[format].size();
// compute size of marshalled data
UInt32 size = 4;
UInt32 numFormats = 0;
for (UInt32 format = 0; format != IClipboard::kNumFormats; ++format) {
if (clipboard->has(static_cast<IClipboard::EFormat>(format))) {
++numFormats;
formatData[format] =
clipboard->get(static_cast<IClipboard::EFormat>(format));
size += 4 + 4 + (UInt32)formatData[format].size();
}
}
}
// allocate space
data.reserve(size);
// allocate space
data.reserve(size);
// marshall the data
writeUInt32(&data, numFormats);
for (UInt32 format = 0; format != IClipboard::kNumFormats; ++format) {
if (clipboard->has(static_cast<IClipboard::EFormat>(format))) {
writeUInt32(&data, format);
writeUInt32(&data, (UInt32)formatData[format].size());
data += formatData[format];
// marshall the data
writeUInt32(&data, numFormats);
for (UInt32 format = 0; format != IClipboard::kNumFormats; ++format) {
if (clipboard->has(static_cast<IClipboard::EFormat>(format))) {
writeUInt32(&data, format);
writeUInt32(&data, (UInt32)formatData[format].size());
data += formatData[format];
}
}
clipboard->close();
}
clipboard->close();
return data;
}