Add usage information, more error checking

This commit is contained in:
Samuel Dudik 2020-07-30 15:23:32 +02:00
parent db1e571082
commit 676e24e237
2 changed files with 27 additions and 20 deletions

35
main.c
View file

@ -20,6 +20,11 @@ void expire()
int main(int argc, char *argv[])
{
if (argc != 2) {
fprintf(stderr, "Usage: herbe message\n");
exit(EXIT_FAILURE);
}
signal(SIGALRM, expire);
alarm(duration);
@ -53,21 +58,21 @@ int main(int argc, char *argv[])
int height = font->ascent - font->descent + text_padding * 2;
switch (corner)
{
case down_right:
y = window_height - height - border_size * 2 - pos_y;
case top_right:
x = window_width - width - border_size * 2 - pos_x;
break;
case down_left:
y = window_height - height - border_size * 2 - pos_y;
case down_right:
y = window_height - height - border_size * 2 - pos_y;
case top_right:
x = window_width - width - border_size * 2 - pos_x;
break;
case down_left:
y = window_height - height - border_size * 2 - pos_y;
}
window = XCreateWindow(
display, root, x,
y, width, height, border_size,
DefaultDepth(display, screen), CopyFromParent,
DefaultVisual(display, screen),
CWOverrideRedirect | CWBackPixel | CWBorderPixel, &attributes);
display, root, x,
y, width, height, border_size,
DefaultDepth(display, screen), CopyFromParent,
DefaultVisual(display, screen),
CWOverrideRedirect | CWBackPixel | CWBorderPixel, &attributes);
XftDraw *draw = XftDrawCreate(display, window, DefaultVisual(display, screen), DefaultColormap(display, screen));
XftColorAllocName(display, DefaultVisual(display, screen), DefaultColormap(display, screen), font_color, &color);
@ -76,8 +81,6 @@ int main(int argc, char *argv[])
XMapWindow(display, window);
// TODO free xftcolor
XEvent event;
while (1)
@ -93,6 +96,10 @@ int main(int argc, char *argv[])
break;
}
XftDrawDestroy(draw);
XftColorFree(display, DefaultVisual(display, screen), DefaultColormap(display, screen), &color);
XftFontClose(display, font);
XCloseDisplay(display);
return 0;
}