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detect terminal resize

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Angel Jumbo 2023-01-13 23:20:46 -05:00
parent aa408d0b9f
commit 84b4de1b6c
1 changed files with 52 additions and 35 deletions
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87
lavat.c
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@ -18,17 +18,25 @@ typedef struct {
} Ball;
static char *custom = NULL;
static char *custom2 = NULL;
static short color = TB_DEFAULT;
static short color2 = TB_DEFAULT;
static int nballs = 10;
static short speedMult = 5;
static short rim = 0;
static short contained = 0;
static float radius = 100;
static float radiusIn = 100;
static float radius;
static int margin;
static float sumConst;
static float sumConst2;
static int maxX,maxY;
static int speed;
static Ball balls[MAX_NBALLS] = {0};
static struct tb_event event = {0};
void event_handler(struct tb_event event);
void init_params();
void event_handler();
int parse_options(int argc, char *argv[]);
void print_help();
@ -42,9 +50,7 @@ int main(int argc, char *argv[]) {
time_t t;
//Ball *balls = malloc(sizeof(Ball) * nballs);
Ball balls[MAX_NBALLS] = {0};
struct tb_event event = {0};
srand((unsigned)time(&t));
@ -52,32 +58,7 @@ int main(int argc, char *argv[]) {
tb_hide_cursor();
maxX = tb_width();
maxY = tb_height() * 2;
speedMult = 11 - speedMult;
speed = (((1 / (float)(maxX + maxY)) * 1000000) + 10000) * speedMult;
radius = (radius * radius + (float)(maxX * maxY)) / 15000;
int margin = contained ? radius * 10 : 0;
float sumConst = 0.0225;
float sumConst2 = sumConst * (1 + (float)(0.25 * rim));
char *custom2 = custom;
if (color2 == TB_DEFAULT || !rim)
color2 = color | TB_BOLD;
if (custom && strlen(custom) > 1 && rim) {
custom2 = custom + 1;
}
for (int i = 0; i < MAX_NBALLS; i++) {
balls[i].x = rand() % (maxX - 2 * margin) + margin;
balls[i].y = rand() % (maxY - 2 * margin) + margin;
balls[i].dx = (rand() % 2 == 0) ? -1 : 1;
balls[i].dy = (rand() % 2 == 0) ? -1 : 1;
}
init_params();
while (1) {
@ -153,7 +134,7 @@ int main(int argc, char *argv[]) {
tb_peek_event(&event, 10);
event_handler(event);
event_handler();
if (event.key == TB_KEY_CTRL_C || event.key == TB_KEY_ESC ||
event.ch == 'q' || event.ch == 'Q')
@ -165,7 +146,14 @@ int main(int argc, char *argv[]) {
//free(balls);
}
void event_handler(struct tb_event event){
void event_handler(){
if (event.type == TB_EVENT_RESIZE){
do
tb_peek_event(&event, 10);
while(event.type == TB_EVENT_RESIZE);
init_params();
}else if(event.type == TB_EVENT_KEY){
switch (event.ch) {
case '-':
case '_':
@ -194,10 +182,39 @@ void event_handler(struct tb_event event){
}
break;
}
}
}
void init_params(){
maxX = tb_width();
maxY = tb_height() * 2;
speedMult = 11 - speedMult;
speed = (((1 / (float)(maxX + maxY)) * 1000000) + 10000) * speedMult;
radius = (radiusIn * radiusIn + (float)(maxX * maxY)) / 15000;
margin = contained ? radius * 10 : 0;
sumConst = 0.0225;
sumConst2 = sumConst * (1 + (float)(0.25 * rim));
custom2 = custom;
if (color2 == TB_DEFAULT || !rim)
color2 = color | TB_BOLD;
if (custom && strlen(custom) > 1 && rim) {
custom2 = custom + 1;
}
for (int i = 0; i < MAX_NBALLS; i++) {
balls[i].x = rand() % (maxX - 2 * margin) + margin;
balls[i].y = rand() % (maxY - 2 * margin) + margin;
balls[i].dx = (rand() % 2 == 0) ? -1 : 1;
balls[i].dy = (rand() % 2 == 0) ? -1 : 1;
}
}
int set_color(short *var, char *optarg) {
@ -249,8 +266,8 @@ int parse_options(int argc, char *argv[]) {
}
break;
case 'r':
radius = 50 + atoi(optarg) * 10;
if (radius > 150 || radius < 50) {
radiusIn = 50 + atoi(optarg) * 10;
if (radiusIn > 150 || radiusIn < 50) {
printf("Invalid radius, only values between 1 and 10 are allowed\n");
return 0;
}