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Rebased branch to commit cc34dab of bar master.

This commit is contained in:
John Vogel 2014-01-09 22:05:39 -05:00
parent 55b657996f
commit dcb0416af7
2 changed files with 224 additions and 109 deletions
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1
Makefile
View File

@ -33,6 +33,7 @@ debug: CC += ${CFDEBUG}
clean:
rm -rf ./*.o
rm -rf ./${EXEC}
rm -rf ./config.h
install: bar
test -d ${DESTDIR}${BINDIR} || mkdir -p ${DESTDIR}${BINDIR}

332
bar.c
View File

@ -40,12 +40,14 @@ enum {
typedef struct screen_t {
int x;
int y;
int width;
int height;
xcb_window_t window;
} screen_t;
static xcb_connection_t *c;
static xcb_screen_t *scr;
static xcb_window_t win;
static xcb_screen_t *def_scr;
static xcb_drawable_t canvas;
static xcb_gcontext_t draw_gc;
static xcb_gcontext_t clear_gc;
@ -134,7 +136,7 @@ draw_char (screen_t *screen, int x, int align, wchar_t ch)
(xcb_char2b_t *)&ch);
/* Draw the underline */
if (BAR_UNDERLINE_HEIGHT)
if (BAR_UNDERLINE_HEIGHT)
xcb_fill_rect (underl_gc, x + screen->x, BAR_UNDERLINE*(BAR_HEIGHT-BAR_UNDERLINE_HEIGHT), ch_width, BAR_UNDERLINE_HEIGHT);
return ch_width;
@ -145,11 +147,13 @@ parse (char *text)
{
char *p = text;
int i;
int pos_x = 0;
int align = 0;
screen_t *screen = &screens[0];
xcb_fill_rect (clear_gc, 0, 0, bar_width, BAR_HEIGHT);
for (;;) {
if (*p == '\0')
return;
@ -158,7 +162,7 @@ parse (char *text)
if (*p == '\\' && p++ && *p != '\\' && strchr (control_characters, *p)) {
switch (*p++) {
case 'f':
case 'f':
xcb_set_fg (isdigit(*p) ? (*p)-'0' : 11);
p++;
break;
@ -174,9 +178,17 @@ parse (char *text)
if (num_screens == 1)
break;
if ((*p) == 'r') {
screen = &screens[num_screens - 1];
for (i = num_screens-1; i >= 0; i--)
if (screens[i].width) {
screen = &screens[i];
break;
}
} else if ((*p) == 'l') {
screen = &screens[0];
for (i = 0; i < num_screens; i++)
if (screens[i].width) {
screen = &screens[i];
break;
}
} else if ((*p) == 'n') {
if (screen == &screens[num_screens - 1])
break;
@ -187,7 +199,7 @@ parse (char *text)
screen--;
} else if (isdigit(*p)) {
int index = (*p)-'0';
if (index < num_screens) {
if (index < num_screens && screens[index].width != 0) {
screen = &screens[index];
} else {
break;
@ -211,8 +223,6 @@ parse (char *text)
align = ALIGN_R;
pos_x = 0;
break;
default:
break;
}
} else { /* utf-8 -> ucs-2 */
wchar_t t;
@ -315,7 +325,6 @@ set_ewmh_atoms ()
xcb_intern_atom_cookie_t atom_cookie[atoms];
xcb_atom_t atom_list[atoms];
xcb_intern_atom_reply_t *atom_reply;
int strut[12] = {0};
/* As suggested fetch all the cookies first (yum!) and then retrieve the
* atoms to exploit the async'ness */
@ -331,27 +340,44 @@ set_ewmh_atoms ()
}
/* Prepare the strut array */
if (bar_bottom) {
strut[3] = BAR_HEIGHT;
strut[11] = bar_width;
} else {
strut[2] = BAR_HEIGHT;
strut[9] = bar_width;
}
for (screen_t *cur_screen = screens; cur_screen < screens+num_screens; cur_screen++) {
int strut[12] = {0};
if (cur_screen->width == 0)
continue;
if (bar_bottom) {
strut[3] = BAR_HEIGHT;
strut[10] = cur_screen->x;
strut[11] = cur_screen->x + cur_screen->width;
} else {
strut[2] = BAR_HEIGHT;
strut[8] = cur_screen->x;
strut[9] = cur_screen->x + cur_screen->width;
}
xcb_change_property (c, XCB_PROP_MODE_REPLACE, win, atom_list[NET_WM_WINDOW_OPACITY], XCB_ATOM_CARDINAL, 32, 1, (const uint32_t []){ (uint32_t)(BAR_OPACITY * 0xffffffff) } );
xcb_change_property (c, XCB_PROP_MODE_REPLACE, win, atom_list[NET_WM_WINDOW_TYPE], XCB_ATOM_ATOM, 32, 1, &atom_list[NET_WM_WINDOW_TYPE_DOCK]);
xcb_change_property (c, XCB_PROP_MODE_APPEND, win, atom_list[NET_WM_STATE], XCB_ATOM_ATOM, 32, 2, &atom_list[NET_WM_STATE_STICKY]);
xcb_change_property (c, XCB_PROP_MODE_REPLACE, win, atom_list[NET_WM_DESKTOP], XCB_ATOM_CARDINAL, 32, 1, (const uint32_t []){ -1 } );
xcb_change_property (c, XCB_PROP_MODE_REPLACE, win, atom_list[NET_WM_STRUT_PARTIAL], XCB_ATOM_CARDINAL, 32, 12, strut);
xcb_change_property (c, XCB_PROP_MODE_REPLACE, win, atom_list[NET_WM_STRUT], XCB_ATOM_CARDINAL, 32, 4, strut);
xcb_change_property (c, XCB_PROP_MODE_REPLACE, cur_screen->window, atom_list[NET_WM_WINDOW_OPACITY], XCB_ATOM_CARDINAL, 32, 1, (const uint32_t []){ (uint32_t)(BAR_OPACITY * 0xffffffff) } );
xcb_change_property (c, XCB_PROP_MODE_REPLACE, cur_screen->window, atom_list[NET_WM_WINDOW_TYPE], XCB_ATOM_ATOM, 32, 1, &atom_list[NET_WM_WINDOW_TYPE_DOCK]);
xcb_change_property (c, XCB_PROP_MODE_APPEND, cur_screen->window, atom_list[NET_WM_STATE], XCB_ATOM_ATOM, 32, 2, &atom_list[NET_WM_STATE_STICKY]);
xcb_change_property (c, XCB_PROP_MODE_REPLACE, cur_screen->window, atom_list[NET_WM_DESKTOP], XCB_ATOM_CARDINAL, 32, 1, (const uint32_t []){ -1 } );
xcb_change_property (c, XCB_PROP_MODE_REPLACE, cur_screen->window, atom_list[NET_WM_STRUT_PARTIAL], XCB_ATOM_CARDINAL, 32, 12, strut);
xcb_change_property (c, XCB_PROP_MODE_REPLACE, cur_screen->window, atom_list[NET_WM_STRUT], XCB_ATOM_CARDINAL, 32, 4, strut);
}
}
xcb_window_t
create_window(xcb_window_t root, int x, int y, int width, int height, xcb_visualid_t visual) {
xcb_window_t window = xcb_generate_id(c);
xcb_create_window(c, XCB_COPY_FROM_PARENT, window, root, x, y, width, height, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, visual, XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK, (const uint32_t []){ palette[10], XCB_EVENT_MASK_EXPOSURE });
xcb_change_window_attributes (c, window, XCB_CW_OVERRIDE_REDIRECT, (const uint32_t []){ force_docking });
return window;
}
int
get_randr_outputs(xcb_window_t w, screen_t **spp)
get_randr_outputs(xcb_window_t w, xcb_rectangle_t **rects)
{
int i, j, num, cnt = 0;
screen_t *s;
xcb_rectangle_t *r;
xcb_generic_error_t *err;
xcb_randr_get_screen_resources_current_cookie_t rres_query;
xcb_randr_get_screen_resources_current_reply_t *rres_reply;
@ -362,35 +388,37 @@ get_randr_outputs(xcb_window_t w, screen_t **spp)
rres_reply = xcb_randr_get_screen_resources_current_reply(c, rres_query, &err);
if (rres_reply == NULL || err != NULL) {
fprintf(stderr, "Failed to get current randr screen resources\n");
free(rres_reply);
return 0;
}
num = xcb_randr_get_screen_resources_current_outputs_length(rres_reply);
outputs = xcb_randr_get_screen_resources_current_outputs(rres_reply);
config_timestamp = rres_reply->config_timestamp;
free(rres_reply);
if (num < 1)
if (num < 1) {
fprintf(stderr, "Failed to get current randr outputs\n");
return 0;
}
xcb_rectangle_t temp[num];
/* use all outputs */
/* get all outputs */
for (i = 0; i < num; i++) {
xcb_randr_get_output_info_cookie_t output_cookie;
xcb_randr_get_output_info_cookie_t output_query;
xcb_randr_get_output_info_reply_t *output_reply;
xcb_randr_get_crtc_info_cookie_t crtc_cookie;
xcb_randr_get_crtc_info_cookie_t crtc_query;
xcb_randr_get_crtc_info_reply_t *crtc_reply;
output_cookie = xcb_randr_get_output_info(c, outputs[i], config_timestamp);
output_reply = xcb_randr_get_output_info_reply(c, output_cookie, &err);
output_query = xcb_randr_get_output_info(c, outputs[i], config_timestamp);
output_reply = xcb_randr_get_output_info_reply(c, output_query, &err);
if (err != NULL || output_reply == NULL || output_reply->crtc == XCB_NONE) {
temp[i].width = 0;
continue;
}
crtc_cookie = xcb_randr_get_crtc_info(c, output_reply->crtc, config_timestamp);
crtc_reply = xcb_randr_get_crtc_info_reply(c, crtc_cookie, &err);
if (err != NULL || crtc_reply == NULL) {
fprintf(stderr, "Failed to get randr crtc info\n");
crtc_query = xcb_randr_get_crtc_info(c, output_reply->crtc, config_timestamp);
crtc_reply = xcb_randr_get_crtc_info_reply(c, crtc_query, &err);
if (err != NULL | crtc_reply == NULL) {
fprintf(stderr, "Failed to get randr ctrc info\n");
temp[i].width = 0;
free(output_reply);
continue;
@ -403,13 +431,13 @@ get_randr_outputs(xcb_window_t w, screen_t **spp)
free(output_reply);
cnt++;
}
if (cnt < 1) {
fprintf(stderr, "No usable randr outputs\n");
fprintf(stderr, "No usable randr outputs\n");
return 0;
}
/* check for clones */
/* check for clones and inactive outputs */
for (i = 0; i < num; i++) {
if (temp[i].width == 0)
continue;
@ -429,28 +457,85 @@ get_randr_outputs(xcb_window_t w, screen_t **spp)
return 0;
}
s = calloc(cnt, sizeof(screen_t));
r = calloc(cnt, sizeof(xcb_rectangle_t));
if (r == NULL)
exit(1);
for (i = j = 0; i < num && j < cnt; i++) {
if (temp[i].width) {
r[j].x = temp[i].x;
r[j].y = temp[i].y;
r[j].width = temp[i].width;
r[j++].height = temp[i].height;
}
}
*rects = r;
return cnt;
}
screen_t
*screens_adjust(xcb_rectangle_t *rects, int nrects)
{
int i, y;
screen_t *s;
s = calloc(nrects, sizeof(screen_t));
if (s == NULL)
exit(1);
for (i = j = 0; i < num && j < cnt; i++)
if (temp[i].width) {
s[j].x = temp[i].x;
s[j++].width = temp[i].width;
for (i = 0; i < nrects; i++) {
s[i].x = rects[i].x;
s[i].y = rects[i].y;
s[i].width = rects[i].width;
s[i].height = rects[i].height;
}
/* Add BAR_OFFSET to the last screen */
int right_bar_offset = def_scr->width_in_pixels - bar_width - BAR_OFFSET;
for (i = nrects-1; i >= 0 && right_bar_offset > 0; i--) {
if (right_bar_offset >= s[i].width) {
right_bar_offset -= s[i].width;
/* Deactivate the screen */
s[i].width = 0;
} else {
s[i].width -= right_bar_offset;
right_bar_offset = 0;
}
}
*spp = s;
/* Subtract BAR_OFFSET from the first screen */
int left_bar_offset = BAR_OFFSET;
for (i = 0; i < nrects && left_bar_offset > 0; i++) {
if (left_bar_offset >= s[i].width) {
left_bar_offset -= s[i].width;
s[i].width = 0;
} else {
s[i].x = left_bar_offset;
s[i].width -= left_bar_offset;
left_bar_offset = 0;
}
}
return cnt;
/* Create windows for each output */
for (i = 0; i < num_screens; i++) {
if (s[i].width) {
y = (bar_bottom ? ( s[i].height - BAR_HEIGHT ) : 0 ) + s[i].y;
s[i].window = create_window(def_scr->root, s[i].x, y, s[i].width,
BAR_HEIGHT, def_scr->root_visual);
}
}
return s;
}
void
init (void)
{
int i, nrects;
xcb_window_t root;
int y;
// const xcb_query_extension_reply_t *randr_ext_reply;
// const xcb_query_extension_reply_t *xinerama_ext_reply;
xcb_rectangle_t *rects = NULL;
const xcb_query_extension_reply_t *ext_reply;
/* Connect to X */
@ -461,49 +546,48 @@ init (void)
}
/* Grab infos from the first screen */
scr = xcb_setup_roots_iterator (xcb_get_setup (c)).data;
root = scr->root;
def_scr = xcb_setup_roots_iterator (xcb_get_setup (c)).data;
root = def_scr->root;
/* where to place the window */
y = (bar_bottom) ? (scr->height_in_pixels - BAR_HEIGHT) : 0;
bar_width = (BAR_WIDTH < 0) ? (scr->width_in_pixels - BAR_OFFSET) : BAR_WIDTH;
bar_width = (BAR_WIDTH < 0) ? (def_scr->width_in_pixels - BAR_OFFSET) : BAR_WIDTH;
/* Load the font */
if (font_load ((const char* []){ BAR_FONT }))
exit (1);
/* Generate a list of screens */
num_screens = 0;
if ((ext_reply = xcb_get_extension_data(c, &xcb_randr_id)) && ext_reply->present) {
num_screens = get_randr_outputs(root, &screens);
if (num_screens)
ext_reply = xcb_get_extension_data(c, &xcb_randr_id);
if (ext_reply != NULL && ext_reply->present) {
nrects = get_randr_outputs(root, &rects);
if (nrects)
randr_event = ext_reply->first_event;
}
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;
} else {
ext_reply = xcb_get_extension_data(c, &xcb_xinerama_id);
if (ext_reply != NULL && ext_reply->present) {
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, NULL);
xia_query = xcb_xinerama_is_active(c);
xia_reply = xcb_xinerama_is_active_reply(c, xia_query, NULL);
if (xia_reply != NULL && xia_reply->state) {
xcb_xinerama_query_screens_cookie_t xqs_query;
xcb_xinerama_query_screens_reply_t *xqs_reply;
xcb_xinerama_screen_info_t *xs_info;
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);
nrects = 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;
rects = calloc(nrects, sizeof(xcb_rectangle_t));
if (rects == NULL)
exit(1);
for (i = 0; i < nrects; i++) {
rects[i].x = xs_info[i].x_org;
rects[i].y = xs_info[i].y_org;
rects[i].width = xs_info[i].width;
rects[i].height = xs_info[i].height;
}
free(xqs_reply);
}
@ -512,29 +596,31 @@ init (void)
}
}
if (num_screens == 0) {
if (nrects) {
num_screens = nrects;
screens = screens_adjust(rects, nrects);
free(rects);
} else {
/* no randr or xinerama outputs - default to single screen */
num_screens = 1;
screens = calloc(1, sizeof(screen_t));
if (screens == NULL)
exit(1);
screens[0].x = 0;
screens[0].width = bar_width;
screens->x = BAR_OFFSET;
screens->y = 0;
screens->width = bar_width - BAR_OFFSET;
screens->height = def_scr->height_in_pixels;
int y = bar_bottom ? (screens->height - BAR_HEIGHT) : 0;
screens->window = create_window(root, screens->x, y,
screens->width, BAR_HEIGHT, def_scr->root_visual);
}
/* Create the main window */
win = xcb_generate_id (c);
xcb_create_window (c, XCB_COPY_FROM_PARENT, win, root, BAR_OFFSET, y, bar_width,
BAR_HEIGHT, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, scr->root_visual,
XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK, (const uint32_t []){ palette[10], XCB_EVENT_MASK_EXPOSURE });
/* For WM that support EWMH atoms */
set_ewmh_atoms();
xcb_change_window_attributes (c, win, XCB_CW_OVERRIDE_REDIRECT, (const uint32_t []){ force_docking });
/* Create a temporary canvas */
canvas = xcb_generate_id (c);
xcb_create_pixmap (c, scr->root_depth, canvas, root, bar_width, BAR_HEIGHT);
xcb_create_pixmap (c, def_scr->root_depth, canvas, root, bar_width, BAR_HEIGHT);
/* Create the gc for drawing */
draw_gc = xcb_generate_id (c);
@ -547,7 +633,9 @@ init (void)
xcb_create_gc (c, underl_gc, root, XCB_GC_FOREGROUND, (const uint32_t []){ palette[10] });
/* Make the bar visible */
xcb_map_window (c, win);
for (i = 0; i < num_screens; i++)
if (screens[i].width)
xcb_map_window(c, screens[i].window);
xcb_flush (c);
}
@ -560,12 +648,14 @@ cleanup (void)
if (fontset[i].xcb_ft)
xcb_close_font (c, fontset[i].xcb_ft);
}
if (screens)
if (screens) {
for(screen_t *cur_screen = screens; cur_screen < screens + num_screens; cur_screen++) {
xcb_destroy_window( c, cur_screen->window );
}
free (screens);
}
if (canvas)
xcb_free_pixmap (c, canvas);
if (win)
xcb_destroy_window (c, win);
if (draw_gc)
xcb_free_gc (c, draw_gc);
if (clear_gc)
@ -586,18 +676,41 @@ sighandle (int signal)
void
handle_randr_event (xcb_generic_event_t *ev)
{
int num;
screen_t *s, *t = screens;
int i, j, nrects;
xcb_rectangle_t *rects;
screen_t *s, *t;
num = get_randr_outputs(scr->root, &s);
if (num <= 0) {
fprintf(stderr, "handle_randr_event: no outputs\n");
exit(1);
nrects = get_randr_outputs(def_scr->root, &rects);
t = screens;
s = screens_adjust(rects, nrects);
free(rects);
for (i = 0; i < nrects; i++) {
if (s[i].width == 0)
continue;
for (j = 0; j < num_screens; j++)
if (t[j].width && t[j].window &&
s[i].x == t[j].x && s[i].y == t[j].y &&
s[i].width == t[j].width && s[i].height == t[j].height) {
xcb_destroy_window(c, s[i].window);
s[i].window = t[j].window;
t[j].window = 0;
break;
}
}
/* there needs to be more fixups after the screens are returned */
screens = s;
num_screens = num;
for (i = 0; i < num_screens; i++)
if (t[i].window)
xcb_destroy_window(c, t[i].window);
for (i = 0; i < nrects; i++)
if (s[i].width)
xcb_map_window(c, s[i].window);
free(t);
num_screens = nrects;
screens = s;
}
int
@ -657,13 +770,11 @@ main (int argc, char **argv)
while ((ev = xcb_poll_for_event (c))) {
int type = ev->response_type & 0x7f;
if (randr_event > -1 && type == randr_event + XCB_RANDR_SCREEN_CHANGE_NOTIFY)
handle_randr_event(ev);
else if (type == XCB_EXPOSE) {
expose_ev = (xcb_expose_event_t *)ev;
if (expose_ev->count == 0)
if (type == XCB_EXPOSE)
if (((xcb_expose_event_t *)ev)->count == 0)
redraw = 1;
}
else if (randr_event > -1 && type == randr_event + XCB_RANDR_SCREEN_CHANGE_NOTIFY)
handle_randr_event(ev);
free (ev);
}
@ -671,7 +782,10 @@ main (int argc, char **argv)
}
if (redraw) /* Copy our temporary pixmap onto the window */
xcb_copy_area (c, canvas, win, draw_gc, 0, 0, 0, 0, bar_width, BAR_HEIGHT);
for (screen_t* cur_screen = screens; cur_screen < screens + num_screens; cur_screen++)
if (cur_screen->width)
xcb_copy_area (c, canvas, cur_screen->window, draw_gc, cur_screen->x,
0, 0, 0, cur_screen->width, BAR_HEIGHT);
xcb_flush (c);
}