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Expose complete history to QML

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The use case for this functionality is to be able to e.g. display the terminal application's output after it was terminated.
This requires exposing a `clearScreen` method to QML as the history only contains the lines not currently displayed in the widget. If we want to access the whole output we have to be able to flush the screen beforehand.

The single argument overload of `Emulation::writeToStream` simplifies reading the complete history at once without having to further expose it's length.
This commit is contained in:
Adrian Kummerlaender
2015-08-29 22:04:32 +02:00
parent 0d755b010f
commit 06321bd308
4 changed files with 39 additions and 1 deletions
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lib/Emulation.cpp
+5
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@@ -296,6 +296,11 @@ void Emulation::writeToStream( TerminalCharacterDecoder* _decoder ,
_currentScreen->writeLinesToStream(_decoder,startLine,endLine);
}
void Emulation::writeToStream( TerminalCharacterDecoder* _decoder)
{
_currentScreen->writeLinesToStream(_decoder, 0, _currentScreen->getHistLines());
}
int Emulation::lineCount() const
{
// sum number of lines currently on _screen plus number of lines in history