Remove the screen adjust and move the xinerama init back into init(); the screen_adjust removes screens structs that could easily be referenced erroneously later and they take up very little space. There's no point doing the xinerama init as a separate function as it won't get called again.

This commit is contained in:
John Vogel 2013-12-16 18:00:56 -05:00
parent 30c9883428
commit 1104340f0b
1 changed files with 44 additions and 103 deletions

147
bar.c
View File

@ -347,50 +347,6 @@ set_ewmh_atoms ()
xcb_change_property (c, XCB_PROP_MODE_REPLACE, win, atom_list[NET_WM_STRUT], XCB_ATOM_CARDINAL, 32, 4, strut);
}
int
get_xinerama_outputs(xcb_window_t w, screen_t **spp)
{
int i, num = 0;
screen_t *ret;
xcb_generic_error_t *err;
xcb_xinerama_query_screens_cookie_t xqs_query;
xcb_xinerama_query_screens_reply_t *xqs_reply;
xcb_xinerama_screen_info_t *xs_info;
xcb_xinerama_is_active_cookie_t xia_query;
xcb_xinerama_is_active_reply_t *xia_reply;
xia_query = xcb_xinerama_is_active(c);
xia_reply = xcb_xinerama_is_active_reply(c, xia_query, &err);
if (err != NULL || xia_reply == NULL || !xia_reply->state) {
free(xia_reply);
return 0;
}
free(xia_reply);
xqs_query = xcb_xinerama_query_screens(c);
xqs_reply = xcb_xinerama_query_screens_reply(c, xqs_query, &err);
if (err != NULL || xqs_reply == NULL) {
fprintf(stderr, "xinerama query screens failed\n");
return 0;
}
num = xcb_xinerama_query_screens_screen_info_length(xqs_reply);
xs_info = xcb_xinerama_query_screens_screen_info(xqs_reply);
ret = calloc (num_screens, sizeof(screen_t));
if (ret == NULL)
exit (1);
for (int i = num; i >= 0; i--) {
ret[i].x = xs_info[i].x_org;
ret[i].width = xs_info[i].width;
}
free(xqs_reply);
*spp = ret;
return num;
}
int
get_randr_outputs(xcb_window_t w, screen_t **spp)
{
@ -488,59 +444,13 @@ get_randr_outputs(xcb_window_t w, screen_t **spp)
return cnt;
}
int
screen_adjust (screen_t *s, int num, screen_t **spp)
{
int i, cnt, right_bar_offset;
screen_t *t;
/* Add BAR_OFFSET to the last screen */
right_bar_offset = scr->width_in_pixels - bar_width - BAR_OFFSET;
for (cnt = num, i = num-1; i >= 0; i--) {
if (right_bar_offset > 0) {
if (right_bar_offset >= s[i].width) {
/* Remove the screen */
cnt--;
right_bar_offset -= s[i].width;
} else {
s[i].width -= right_bar_offset;
right_bar_offset = 0;
}
}
s[i].x -= BAR_OFFSET;
if (s[i].x < 0) {
/* First screen */
s[i].x = 0;
break;
}
}
/* Remove BAR_OFFSET from the first screen */
s[i].width -= BAR_OFFSET;
t = calloc(cnt, sizeof(screen_t));
if (t == NULL)
exit(1);
for (i = 0; i < cnt; i++) {
t[i].x = s[i].x;
t[i].width = s[i].width;
}
*spp = t;
return cnt;
}
void
init (void)
{
xcb_window_t root;
screen_t *stemp;
int snum;
int y;
xcb_generic_error_t *err;
// const xcb_query_extension_reply_t *randr_ext_reply;
// const xcb_query_extension_reply_t *xinerama_ext_reply;
const xcb_query_extension_reply_t *ext_reply;
/* Connect to X */
@ -563,19 +473,46 @@ init (void)
exit (1);
/* Generate a list of screens */
snum = 0;
num_screens = 0;
if ((ext_reply = xcb_get_extension_data(c, &xcb_randr_id)) && ext_reply->present) {
snum = get_randr_outputs(root, &stemp);
if (snum)
num_screens = get_randr_outputs(root, &screens);
if (num_screens)
randr_event = ext_reply->first_event;
}
else if ((ext_reply = xcb_get_extension_data(c, &xcb_xinerama_id)) && ext_reply->present)
snum = get_xinerama_outputs(root, &stemp);
else if ((ext_reply = xcb_get_extension_data(c, &xcb_xinerama_id)) && ext_reply->present) {
xcb_xinerama_is_active_cookie_t xia_query;
xcb_xinerama_is_active_reply_t *xia_reply;
xcb_xinerama_query_screens_cookie_t xqs_query;
xcb_xinerama_query_screens_reply_t *xqs_reply;
xcb_xinerama_screen_info_t *xs_info;
if (snum) {
num_screens = screen_adjust(stemp, snum, &screens);
free(stemp);
} else {
xia_query = xcb_xinerama_is_active(c);
xia_reply = xcb_xinerama_is_active_reply(c, xia_query, NULL);
if (xia_reply) {
if (xia_reply->state) {
xqs_query = xcb_xinerama_query_screens(c);
xqs_reply = xcb_xinerama_query_screens_reply(c, xqs_query, NULL);
if (xqs_reply) {
num_screens = xcb_xinerama_query_screens_screen_info_length(xqs_reply);
xs_info = xcb_xinerama_query_screens_screen_info(xqs_reply);
screens = calloc (num_screens, sizeof(screen_t));
if (screens == NULL)
exit (1);
for (int i = 0; i < num_screens; i++) {
screens[i].x = xs_info[i].x_org;
screens[i].width = xs_info[i].width;
}
free(xqs_reply);
}
}
free(xia_reply);
}
}
if (num_screens == 0) {
num_screens = 1;
screens = calloc(1, sizeof(screen_t));
if (screens == NULL)
@ -653,8 +590,12 @@ handle_randr_event (xcb_generic_event_t *ev)
screen_t *s, *t = screens;
num = get_randr_outputs(scr->root, &s);
num_screens = screen_adjust(s, num, &screens);
free(s);
// num_screens = screen_adjust(s, num, &screens);
if (num <= 0) {
fprintf(stderr, "handle_randr_event: no outputs\n");
exit(1);
}
screens = s;
free(t);
}