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Optimized the terminal clear screen

This commit is contained in:
Markus Gans 2016-11-26 18:40:50 +01:00
parent 1895dc001b
commit 33c03cf6fc
1 changed files with 10 additions and 3 deletions
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13
test/opti-move.cpp
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@ -9,7 +9,7 @@
static FVTerm* terminal; static FVTerm* terminal;
// function prototype // function prototype
void keyPressed(); bool keyPressed();
void term_boundaries (int&, int&); void term_boundaries (int&, int&);
void move (int, int, int, int); void move (int, int, int, int);
@ -17,18 +17,25 @@ void move (int, int, int, int);
//---------------------------------------------------------------------- //----------------------------------------------------------------------
// functions // functions
//---------------------------------------------------------------------- //----------------------------------------------------------------------
void keyPressed() bool keyPressed()
{ {
// Waiting for keypress // Waiting for keypress
struct termios save, t; struct termios save, t;
bool ret;
std::cout << "\nPress any key to continue..."; std::cout << "\nPress any key to continue...";
fflush(stdout); fflush(stdout);
tcgetattr (STDIN_FILENO, &save); tcgetattr (STDIN_FILENO, &save);
t = save; t = save;
t.c_lflag &= uInt(~(ICANON | ECHO)); t.c_lflag &= uInt(~(ICANON | ECHO));
tcsetattr (STDIN_FILENO, TCSANOW, &t); tcsetattr (STDIN_FILENO, TCSANOW, &t);
getchar();
if ( std::getchar() != EOF )
ret = true;
else
ret = false;
tcsetattr (STDIN_FILENO, TCSADRAIN, &save); tcsetattr (STDIN_FILENO, TCSADRAIN, &save);
return ret;
} }
//---------------------------------------------------------------------- //----------------------------------------------------------------------