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Trying to prevent the shutdown of cr

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This commit is contained in:
Bastien Dejean 2012-09-09 12:25:47 +02:00
parent f9f1ce8e98
commit 9c4bccd3e0
1 changed files with 12 additions and 10 deletions
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22
bsps.c
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@ -46,18 +46,23 @@ int default_screen;
uint16_t screen_width; uint16_t screen_width;
unsigned int horizontal_padding = HORIZONTAL_PADDING; unsigned int horizontal_padding = HORIZONTAL_PADDING;
cairo_surface_t *surface;
cairo_t *cr;
bool running; bool running;
double text_width(char *s) double text_width(char *s)
{ {
int w;
cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, 1, 1);
cairo_t *cr = cairo_create(surface);
cairo_text_extents_t te; cairo_text_extents_t te;
cairo_select_font_face(cr, font_family, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL); cairo_select_font_face(cr, font_family, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size(cr, font_size); cairo_set_font_size(cr, font_size);
cairo_text_extents(cr, s, &te); cairo_text_extents(cr, s, &te);
return te.x_advance; w = te.x_advance;
cairo_destroy(cr);
cairo_surface_destroy(surface);
/* fprintf(stderr, "%s\n", cairo_status_to_string(cairo_status(cr))); */
return w;
} }
void handle_signal(int sig) void handle_signal(int sig)
@ -140,7 +145,6 @@ void handle_event(xcb_generic_event_t *evt)
} else if (pne->window != screen->root && (pne->atom == ewmh._NET_WM_NAME || pne->atom == XCB_ATOM_WM_NAME)) { } else if (pne->window != screen->root && (pne->atom == ewmh._NET_WM_NAME || pne->atom == XCB_ATOM_WM_NAME)) {
update_window_title(); update_window_title();
output_infos(); output_infos();
} else {
} }
default: default:
break; break;
@ -164,8 +168,6 @@ void setup(void)
xcb_ewmh_init_atoms_replies(&ewmh, ewmh_cookies, NULL); xcb_ewmh_init_atoms_replies(&ewmh, ewmh_cookies, NULL);
screen = ewmh.screens[default_screen]; screen = ewmh.screens[default_screen];
screen_width = screen->width_in_pixels; screen_width = screen->width_in_pixels;
surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, 0, 0);
cr = cairo_create(surface);
fifo_path = getenv(FIFO_PATH); fifo_path = getenv(FIFO_PATH);
mkfifo(fifo_path, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); mkfifo(fifo_path, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
/* http://www.outflux.net/blog/archives/2008/03/09/using-select-on-a-fifo/ */ /* http://www.outflux.net/blog/archives/2008/03/09/using-select-on-a-fifo/ */
@ -219,14 +221,14 @@ int main(int argc, char *argv[])
if (FD_ISSET(fifo_fd, &descriptors)) { if (FD_ISSET(fifo_fd, &descriptors)) {
int bytes = read(fifo_fd, external_infos, sizeof(external_infos)); int bytes = read(fifo_fd, external_infos, sizeof(external_infos));
external_infos[bytes] = '\0'; if (bytes > 0) {
output_infos(); external_infos[bytes] = '\0';
output_infos();
}
} }
} }
} }
cairo_destroy(cr);
cairo_surface_destroy(surface);
close(fifo_fd); close(fifo_fd);
xcb_disconnect(dpy); xcb_disconnect(dpy);
return 0; return 0;