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Dynamically size terminal using SIGWINCH

f18180fef4
This commit is contained in:
Malcolm Robb 2014-02-22 22:11:11 +00:00
parent e9d2232719
commit 86093ea95e
3 changed files with 56 additions and 3 deletions
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28
view1090.c
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@ -38,6 +38,27 @@ void sigintHandler(int dummy) {
Modes.exit = 1; // Signal to threads that we are done
}
//
// =============================== Terminal handling ========================
//
#ifndef _WIN32
// Get the number of rows after the terminal changes size.
int getTermRows() {
struct winsize w;
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
return (w.ws_row);
}
// Handle resizing terminal
void sigWinchCallback() {
signal(SIGWINCH, SIG_IGN);
Modes.interactive_rows = getTermRows();
interactiveShowData();
signal(SIGWINCH, sigWinchCallback);
}
#else
int getTermRows() { return MODES_INTERACTIVE_ROWS;}
#endif
//
// =============================== Initialization ===========================
//
void view1090InitConfig(void) {
@ -49,7 +70,7 @@ void view1090InitConfig(void) {
Modes.check_crc = 1;
strcpy(View1090.net_input_beast_ipaddr,VIEW1090_NET_OUTPUT_IP_ADDRESS);
Modes.net_input_beast_port = MODES_NET_OUTPUT_BEAST_PORT;
Modes.interactive_rows = MODES_INTERACTIVE_ROWS;
Modes.interactive_rows = getTermRows();
Modes.interactive_delete_ttl = MODES_INTERACTIVE_DELETE_TTL;
Modes.interactive_display_ttl = MODES_INTERACTIVE_DISPLAY_TTL;
Modes.fUserLat = MODES_USER_LATITUDE_DFLT;
@ -174,6 +195,11 @@ int main(int argc, char **argv) {
}
}
#ifndef _WIN32
// Setup for SIGWINCH for handling lines
if (Modes.interactive) {signal(SIGWINCH, sigWinchCallback);}
#endif
// Initialization
view1090Init();