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scroll to caret if user types

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svn-id: r5968
This commit is contained in:
Max Horn 2002-12-14 22:10:37 +00:00
parent 5c80aeaed6
commit bb210766ce
2 changed files with 16 additions and 0 deletions
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15
gui/console.cpp
View File

@ -149,6 +149,7 @@ void ConsoleDialog::handleKeyDown(uint16 ascii, int keycode, int modifiers)
_buffer[_promptEndPos % kBufferSize] = ' '; _buffer[_promptEndPos % kBufferSize] = ' ';
_promptEndPos--; _promptEndPos--;
} }
scrollToCurrent();
draw(); // FIXME - not nice to redraw the full console just for one char! draw(); // FIXME - not nice to redraw the full console just for one char!
break; break;
/* /*
@ -194,6 +195,7 @@ void ConsoleDialog::handleKeyDown(uint16 ascii, int keycode, int modifiers)
_buffer[(i+1) % kBufferSize] = _buffer[i % kBufferSize]; _buffer[(i+1) % kBufferSize] = _buffer[i % kBufferSize];
_promptEndPos++; _promptEndPos++;
putchar((char)ascii); putchar((char)ascii);
scrollToCurrent();
} }
} }
} }
@ -352,3 +354,16 @@ void ConsoleDialog::drawCaret(bool erase)
_caretVisible = !erase; _caretVisible = !erase;
} }
void ConsoleDialog::scrollToCurrent()
{
int line = _currentPos / _lineWidth;
int displayLine = line - _scrollLine + _linesPerPage - 1;
if (displayLine < 0) {
// TODO - this should only occur for loong edit lines, though
} else if (displayLine >= _linesPerPage) {
_scrollLine = _currentPos / _lineWidth;
updateScrollBar();
}
}

1
gui/console.h
View File

@ -77,6 +77,7 @@ protected:
void print(const char *str); void print(const char *str);
void nextLine(); void nextLine();
void updateScrollBar(); void updateScrollBar();
void scrollToCurrent();
inline int getBufferPos() const { return _currentPos % kBufferSize; } inline int getBufferPos() const { return _currentPos % kBufferSize; }
// Line editing // Line editing