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Display error messages in top-line overlay.

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This commit is contained in:
Keith Winstein
2011-09-30 16:13:43 -04:00
parent 56b4064686
commit 7068e26847
11 changed files with 420 additions and 30 deletions
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terminaldisplay.cpp
+18 -9
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@@ -84,11 +84,7 @@ std::string Display::new_frame( bool initialized, const Framebuffer &last, const
if ( lines_scrolled ) {
if ( frame.cursor_y != f.ds.get_height() - 1 ) {
snprintf( tmp, 64, "\033[%d;%dH", f.ds.get_height(), 1 );
frame.append( tmp );
frame.cursor_y = f.ds.get_height() - 1;
frame.cursor_x = 0;
frame.append_silent_move( f.ds.get_height() - 1, 0 );
}
if ( frame.current_rendition_string != "\033[0m" ) {
@@ -194,10 +190,7 @@ void Display::put_cell( bool initialized, FrameState &frame, const Framebuffer &
}
if ( (frame.x != frame.cursor_x) || (frame.y != frame.cursor_y) ) {
snprintf( tmp, 64, "\033[%d;%dH", frame.y + 1, frame.x + 1 );
frame.append( tmp );
frame.cursor_x = frame.x;
frame.cursor_y = frame.y;
frame.append_silent_move( frame.y, frame.x );
}
std::string rendition_str = cell->renditions.sgr();
@@ -243,3 +236,19 @@ void Display::put_cell( bool initialized, FrameState &frame, const Framebuffer &
frame.x += cell->width;
frame.cursor_x += cell->width;
}
void FrameState::append_silent_move( int y, int x )
{
char tmp[ 64 ];
/* turn off cursor if necessary before moving cursor */
if ( last_frame.ds.cursor_visible ) {
append( "\033[?25l" );
last_frame.ds.cursor_visible = false;
}
snprintf( tmp, 64, "\033[%d;%dH", y + 1, x + 1 );
append( tmp );
cursor_x = x;
cursor_y = y;
}