gri3-wm/i3bar/src/xcb.c

1562 lines
58 KiB
C
Raw Normal View History

2010-08-07 18:05:16 +02:00
/*
2011-10-09 14:50:39 +02:00
* vim:ts=4:sw=4:expandtab
*
2010-08-07 18:05:16 +02:00
* i3bar - an xcb-based status- and ws-bar for i3
* © 2010-2011 Axel Wagner and contributors (see also: LICENSE)
2010-08-07 18:05:16 +02:00
*
* xcb.c: Communicating with X
2010-08-07 18:05:16 +02:00
*
*/
2010-07-22 01:15:18 +02:00
#include <xcb/xcb.h>
2010-08-06 03:32:05 +02:00
#include <xcb/xproto.h>
2011-02-21 15:47:58 +01:00
#include <xcb/xcb_atom.h>
#include <xcb/xcb_aux.h>
#ifdef XCB_COMPAT
#include "xcb_compat.h"
#endif
2010-07-22 01:15:18 +02:00
#include <stdio.h>
#include <stdlib.h>
2010-08-25 16:23:30 +02:00
#include <unistd.h>
#include <fcntl.h>
2010-07-22 01:15:18 +02:00
#include <string.h>
#include <i3/ipc.h>
#include <ev.h>
#include <errno.h>
2011-03-19 22:06:08 +01:00
#include <limits.h>
2011-10-09 15:45:23 +02:00
#include <err.h>
2010-07-22 01:15:18 +02:00
2010-08-25 16:23:30 +02:00
#include <X11/Xlib.h>
#include <X11/XKBlib.h>
#include <X11/extensions/XKB.h>
2010-08-04 03:34:18 +02:00
#include "common.h"
#include "libi3.h"
2010-08-07 02:10:05 +02:00
/* We save the Atoms in an easy to access array, indexed by an enum */
enum {
#define ATOM_DO(name) name,
#include "xcb_atoms.def"
NUM_ATOMS
};
2010-07-22 01:15:18 +02:00
xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
xcb_atom_t atoms[NUM_ATOMS];
2010-08-07 02:10:05 +02:00
/* Variables, that are the same for all functions at all times */
xcb_connection_t *xcb_connection;
int screen;
xcb_screen_t *xcb_screen;
xcb_window_t xcb_root;
/* This is needed for integration with libi3 */
xcb_connection_t *conn;
/* The font we'll use */
static i3Font font;
/* These are only relevant for XKB, which we only need for grabbing modifiers */
2010-08-25 16:23:30 +02:00
Display *xkb_dpy;
int xkb_event_base;
int mod_pressed = 0;
2010-08-25 16:23:30 +02:00
/* Because the statusline is the same on all outputs, we have
* global buffer to render it on */
xcb_gcontext_t statusline_ctx;
xcb_gcontext_t statusline_clear;
xcb_pixmap_t statusline_pm;
uint32_t statusline_width;
2010-08-07 02:10:05 +02:00
/* Event-Watchers, to interact with the user */
ev_prepare *xcb_prep;
ev_check *xcb_chk;
ev_io *xcb_io;
2010-08-25 16:23:30 +02:00
ev_io *xkb_io;
2010-07-22 01:15:18 +02:00
/* The parsed colors */
2010-11-04 12:27:10 +01:00
struct xcb_colors_t {
uint32_t bar_fg;
uint32_t bar_bg;
uint32_t active_ws_fg;
uint32_t active_ws_bg;
uint32_t active_ws_border;
2010-11-04 12:27:10 +01:00
uint32_t inactive_ws_fg;
uint32_t inactive_ws_bg;
uint32_t inactive_ws_border;
2010-11-04 12:27:10 +01:00
uint32_t urgent_ws_bg;
uint32_t urgent_ws_fg;
uint32_t urgent_ws_border;
2011-03-20 19:29:30 +01:00
uint32_t focus_ws_bg;
uint32_t focus_ws_fg;
uint32_t focus_ws_border;
2010-11-04 12:27:10 +01:00
};
struct xcb_colors_t colors;
/* We define xcb_request_failed as a macro to include the relevant line-number */
#define xcb_request_failed(cookie, err_msg) _xcb_request_failed(cookie, err_msg, __LINE__)
int _xcb_request_failed(xcb_void_cookie_t cookie, char *err_msg, int line) {
xcb_generic_error_t *err;
if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
fprintf(stderr, "[%s:%d] ERROR: %s. X Error Code: %d\n", __FILE__, line, err_msg, err->error_code);
return err->error_code;
}
return 0;
}
/*
* Redraws the statusline to the buffer
*
*/
void refresh_statusline() {
struct status_block *block;
2010-09-17 01:51:10 +02:00
uint32_t old_statusline_width = statusline_width;
statusline_width = 0;
/* Convert all blocks from UTF-8 to UCS-2 and predict the text width (in
* pixels). */
TAILQ_FOREACH(block, &statusline_head, blocks) {
if (strlen(block->full_text) == 0)
continue;
block->ucs2_full_text = (xcb_char2b_t*)convert_utf8_to_ucs2(block->full_text, &(block->glyph_count_full_text));
block->width = predict_text_width((char*)block->ucs2_full_text, block->glyph_count_full_text, true);
/* If this is not the last block, add some pixels for a separator. */
if (TAILQ_NEXT(block, blocks) != NULL)
block->width += 9;
statusline_width += block->width;
}
/* If the statusline is bigger than our screen we need to make sure that
* the pixmap provides enough space, so re-allocate if the width grew */
if (statusline_width > xcb_screen->width_in_pixels &&
statusline_width > old_statusline_width)
realloc_sl_buffer();
/* Clear the statusline pixmap. */
xcb_rectangle_t rect = { 0, 0, xcb_screen->width_in_pixels, font.height };
xcb_poly_fill_rectangle(xcb_connection, statusline_pm, statusline_clear, 1, &rect);
/* Draw the text of each block. */
uint32_t x = 0;
TAILQ_FOREACH(block, &statusline_head, blocks) {
if (strlen(block->full_text) == 0)
continue;
uint32_t colorpixel = (block->color ? get_colorpixel(block->color) : colors.bar_fg);
set_font_colors(statusline_ctx, colorpixel, colors.bar_bg);
draw_text((char*)block->ucs2_full_text, block->glyph_count_full_text,
true, statusline_pm, statusline_ctx, x, 0, block->width);
x += block->width;
if (TAILQ_NEXT(block, blocks) != NULL) {
/* This is not the last block, draw a separator. */
set_font_colors(statusline_ctx, get_colorpixel("#666666"), colors.bar_bg);
xcb_poly_line(xcb_connection, XCB_COORD_MODE_ORIGIN, statusline_pm,
statusline_ctx, 2,
(xcb_point_t[]){ { x - 5, 2 }, { x - 5, font.height - 2 } });
}
FREE(block->ucs2_full_text);
}
}
2010-08-25 16:23:30 +02:00
/*
* Hides all bars (unmaps them)
*
*/
void hide_bars() {
2010-08-26 00:02:35 +02:00
if (!config.hide_on_modifier) {
return;
}
2010-08-25 16:23:30 +02:00
i3_output *walk;
SLIST_FOREACH(walk, outputs, slist) {
if (!walk->active) {
continue;
}
2010-08-25 16:23:30 +02:00
xcb_unmap_window(xcb_connection, walk->bar);
}
2010-08-25 18:31:03 +02:00
stop_child();
2010-08-25 16:23:30 +02:00
}
/*
* Unhides all bars (maps them)
*
*/
void unhide_bars() {
2010-08-26 00:02:35 +02:00
if (!config.hide_on_modifier) {
return;
}
2010-08-25 16:23:30 +02:00
i3_output *walk;
xcb_void_cookie_t cookie;
uint32_t mask;
uint32_t values[5];
2010-08-25 16:23:30 +02:00
2010-08-25 18:31:03 +02:00
cont_child();
2010-08-25 16:23:30 +02:00
SLIST_FOREACH(walk, outputs, slist) {
if (walk->bar == XCB_NONE) {
continue;
}
mask = XCB_CONFIG_WINDOW_X |
XCB_CONFIG_WINDOW_Y |
XCB_CONFIG_WINDOW_WIDTH |
XCB_CONFIG_WINDOW_HEIGHT |
XCB_CONFIG_WINDOW_STACK_MODE;
2010-08-25 16:23:30 +02:00
values[0] = walk->rect.x;
if (config.position == POS_TOP)
values[1] = walk->rect.y;
else values[1] = walk->rect.y + walk->rect.h - font.height - 6;
2010-08-25 16:23:30 +02:00
values[2] = walk->rect.w;
values[3] = font.height + 6;
values[4] = XCB_STACK_MODE_ABOVE;
DLOG("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
2010-08-25 16:23:30 +02:00
cookie = xcb_configure_window_checked(xcb_connection,
walk->bar,
mask,
values);
if (xcb_request_failed(cookie, "Could not reconfigure window")) {
2010-08-25 16:23:30 +02:00
exit(EXIT_FAILURE);
}
xcb_map_window(xcb_connection, walk->bar);
}
}
/*
* Parse the colors into a format that we can use
*
*/
2010-11-04 12:27:10 +01:00
void init_colors(const struct xcb_color_strings_t *new_colors) {
#define PARSE_COLOR(name, def) \
do { \
colors.name = get_colorpixel(new_colors->name ? new_colors->name : def); \
} while (0)
PARSE_COLOR(bar_fg, "#FFFFFF");
PARSE_COLOR(bar_bg, "#000000");
PARSE_COLOR(active_ws_fg, "#FFFFFF");
PARSE_COLOR(active_ws_bg, "#333333");
PARSE_COLOR(active_ws_border, "#333333");
PARSE_COLOR(inactive_ws_fg, "#888888");
PARSE_COLOR(inactive_ws_bg, "#222222");
PARSE_COLOR(inactive_ws_border, "#333333");
PARSE_COLOR(urgent_ws_fg, "#FFFFFF");
PARSE_COLOR(urgent_ws_bg, "#900000");
PARSE_COLOR(urgent_ws_border, "#2f343a");
PARSE_COLOR(focus_ws_fg, "#FFFFFF");
PARSE_COLOR(focus_ws_bg, "#285577");
PARSE_COLOR(focus_ws_border, "#4c7899");
#undef PARSE_COLOR
}
2010-08-07 02:10:05 +02:00
/*
2011-08-12 23:09:59 +02:00
* Handle a button-press-event (i.e. a mouse click on one of our bars).
* We determine, whether the click occured on a ws-button or if the scroll-
2010-08-07 02:10:05 +02:00
* wheel was used and change the workspace appropriately
*
*/
void handle_button(xcb_button_press_event_t *event) {
2010-08-03 21:20:11 +02:00
i3_ws *cur_ws;
2010-08-07 02:10:05 +02:00
/* Determine, which bar was clicked */
2010-08-03 21:20:11 +02:00
i3_output *walk;
xcb_window_t bar = event->event;
SLIST_FOREACH(walk, outputs, slist) {
if (walk->bar == bar) {
break;
}
}
if (walk == NULL) {
DLOG("Unknown Bar klicked!\n");
2010-08-03 21:20:11 +02:00
return;
}
/* TODO: Move this to extern get_ws_for_output() */
2010-08-03 21:20:11 +02:00
TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
if (cur_ws->visible) {
break;
}
}
if (cur_ws == NULL) {
DLOG("No Workspace active?\n");
2010-08-03 21:20:11 +02:00
return;
}
int32_t x = event->event_x >= 0 ? event->event_x : 0;
2010-08-03 21:20:11 +02:00
DLOG("Got Button %d\n", event->detail);
2010-08-03 21:20:11 +02:00
switch (event->detail) {
case 1:
2010-08-07 02:10:05 +02:00
/* Left Mousbutton. We determine, which button was clicked
* and set cur_ws accordingly */
2010-08-03 21:20:11 +02:00
TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
DLOG("x = %d\n", x);
if (x >= 0 && x < cur_ws->name_width + 10) {
2010-08-03 21:20:11 +02:00
break;
}
x -= cur_ws->name_width + 11;
2010-08-03 21:20:11 +02:00
}
if (cur_ws == NULL) {
return;
}
break;
case 4:
2010-08-07 02:10:05 +02:00
/* Mouse wheel down. We select the next ws */
if (cur_ws != TAILQ_FIRST(walk->workspaces)) {
2010-08-07 02:34:02 +02:00
cur_ws = TAILQ_PREV(cur_ws, ws_head, tailq);
2010-08-03 21:20:11 +02:00
}
break;
case 5:
2010-08-07 02:10:05 +02:00
/* Mouse wheel up. We select the previos ws */
if (cur_ws != TAILQ_LAST(walk->workspaces, ws_head)) {
2010-08-07 02:34:02 +02:00
cur_ws = TAILQ_NEXT(cur_ws, tailq);
2010-08-03 21:20:11 +02:00
}
break;
}
/* To properly handle workspace names with double quotes in them, we need
* to escape the double quotes. Unfortunately, thats rather ugly in C: We
* first count the number of double quotes, then we allocate a large enough
* buffer, then we copy character by character. */
int num_quotes = 0;
size_t namelen = 0;
for (char *walk = cur_ws->name; *walk != '\0'; walk++) {
if (*walk == '"')
num_quotes++;
/* While were looping through the name anyway, we can save one
* strlen(). */
namelen++;
}
const size_t len = namelen + strlen("workspace \"\"") + 1;
char *buffer = scalloc(len+num_quotes);
strncpy(buffer, "workspace \"", strlen("workspace \""));
int inpos, outpos;
for (inpos = 0, outpos = strlen("workspace \"");
inpos < namelen;
inpos++, outpos++) {
if (cur_ws->name[inpos] == '"') {
buffer[outpos] = '\\';
outpos++;
}
buffer[outpos] = cur_ws->name[inpos];
}
buffer[outpos] = '"';
2010-08-03 21:20:11 +02:00
i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, buffer);
free(buffer);
}
/*
* Configures the x coordinate of all trayclients. To be called after adding a
* new tray client or removing an old one.
*
*/
static void configure_trayclients() {
trayclient *trayclient;
i3_output *output;
SLIST_FOREACH(output, outputs, slist) {
if (!output->active)
continue;
int clients = 0;
TAILQ_FOREACH_REVERSE(trayclient, output->trayclients, tc_head, tailq) {
if (!trayclient->mapped)
continue;
clients++;
DLOG("Configuring tray window %08x to x=%d\n",
trayclient->win, output->rect.w - (clients * (font.height + 2)));
uint32_t x = output->rect.w - (clients * (font.height + 2));
xcb_configure_window(xcb_connection,
trayclient->win,
XCB_CONFIG_WINDOW_X,
&x);
}
}
}
/*
* Handles ClientMessages (messages sent from another client directly to us).
*
* At the moment, only the tray window will receive client messages. All
* supported client messages currently are _NET_SYSTEM_TRAY_OPCODE.
*
*/
static void handle_client_message(xcb_client_message_event_t* event) {
if (event->type == atoms[_NET_SYSTEM_TRAY_OPCODE] &&
event->format == 32) {
DLOG("_NET_SYSTEM_TRAY_OPCODE received\n");
/* event->data.data32[0] is the timestamp */
uint32_t op = event->data.data32[1];
uint32_t mask;
uint32_t values[2];
if (op == SYSTEM_TRAY_REQUEST_DOCK) {
xcb_window_t client = event->data.data32[2];
/* Listen for PropertyNotify events to get the most recent value of
* the XEMBED_MAPPED atom, also listen for UnmapNotify events */
mask = XCB_CW_EVENT_MASK;
values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY;
xcb_change_window_attributes(xcb_connection,
client,
mask,
values);
/* Request the _XEMBED_INFO property. The XEMBED specification
* (which is referred by the tray specification) says this *has* to
* be set, but VLC does not set it */
bool map_it = true;
int xe_version = 1;
xcb_get_property_cookie_t xembedc;
xcb_generic_error_t *error;
xembedc = xcb_get_property(xcb_connection,
0,
client,
atoms[_XEMBED_INFO],
XCB_GET_PROPERTY_TYPE_ANY,
0,
2 * 32);
xcb_get_property_reply_t *xembedr = xcb_get_property_reply(xcb_connection,
xembedc,
&error);
if (error != NULL) {
ELOG("Error getting _XEMBED_INFO property: error_code %d\n",
error->error_code);
free(error);
return;
}
if (xembedr != NULL && xembedr->length != 0) {
DLOG("xembed format = %d, len = %d\n", xembedr->format, xembedr->length);
uint32_t *xembed = xcb_get_property_value(xembedr);
DLOG("xembed version = %d\n", xembed[0]);
DLOG("xembed flags = %d\n", xembed[1]);
map_it = ((xembed[1] & XEMBED_MAPPED) == XEMBED_MAPPED);
xe_version = xembed[0];
if (xe_version > 1)
xe_version = 1;
free(xembedr);
} else {
ELOG("Window %08x violates the XEMBED protocol, _XEMBED_INFO not set\n", client);
}
DLOG("X window %08x requested docking\n", client);
i3_output *walk, *output = NULL;
SLIST_FOREACH(walk, outputs, slist) {
if (!walk->active)
continue;
if (config.tray_output) {
if ((strcasecmp(walk->name, config.tray_output) != 0) &&
(!walk->primary || strcasecmp("primary", config.tray_output) != 0))
continue;
}
DLOG("using output %s\n", walk->name);
output = walk;
break;
}
/* In case of tray_output == primary and there is no primary output
* configured, we fall back to the first available output. */
if (output == NULL && strcasecmp("primary", config.tray_output) == 0) {
SLIST_FOREACH(walk, outputs, slist) {
if (!walk->active)
continue;
DLOG("Falling back to output %s because no primary output is configured\n", walk->name);
output = walk;
break;
}
}
if (output == NULL) {
ELOG("No output found\n");
return;
}
xcb_reparent_window(xcb_connection,
client,
output->bar,
output->rect.w - font.height - 2,
2);
/* We reconfigure the window to use a reasonable size. The systray
* specification explicitly says:
* Tray icons may be assigned any size by the system tray, and
* should do their best to cope with any size effectively
*/
mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
values[0] = font.height;
values[1] = font.height;
xcb_configure_window(xcb_connection,
client,
mask,
values);
/* send the XEMBED_EMBEDDED_NOTIFY message */
2011-10-21 20:30:46 +02:00
void *event = scalloc(32);
xcb_client_message_event_t *ev = event;
ev->response_type = XCB_CLIENT_MESSAGE;
ev->window = client;
ev->type = atoms[_XEMBED];
ev->format = 32;
ev->data.data32[0] = XCB_CURRENT_TIME;
ev->data.data32[1] = atoms[XEMBED_EMBEDDED_NOTIFY];
ev->data.data32[2] = output->bar;
ev->data.data32[3] = xe_version;
xcb_send_event(xcb_connection,
0,
client,
XCB_EVENT_MASK_NO_EVENT,
(char*)ev);
free(event);
/* Put the client inside the save set. Upon termination (whether
* killed or normal exit does not matter) of i3bar, these clients
* will be correctly reparented to their most closest living
* ancestor. Without this, tray icons might die when i3bar
* exits/crashes. */
xcb_change_save_set(xcb_connection, XCB_SET_MODE_INSERT, client);
if (map_it) {
DLOG("Mapping dock client\n");
xcb_map_window(xcb_connection, client);
} else {
DLOG("Not mapping dock client yet\n");
}
2011-10-21 20:30:46 +02:00
trayclient *tc = smalloc(sizeof(trayclient));
tc->win = client;
tc->mapped = map_it;
tc->xe_version = xe_version;
TAILQ_INSERT_TAIL(output->trayclients, tc, tailq);
/* Trigger an update to copy the statusline text to the appropriate
* position */
configure_trayclients();
draw_bars();
}
}
}
/*
* Handles UnmapNotify events. These events happen when a tray window unmaps
* itself. We then update our data structure
*
*/
static void handle_unmap_notify(xcb_unmap_notify_event_t* event) {
DLOG("UnmapNotify for window = %08x, event = %08x\n", event->window, event->event);
i3_output *walk;
SLIST_FOREACH(walk, outputs, slist) {
if (!walk->active)
continue;
DLOG("checking output %s\n", walk->name);
trayclient *trayclient;
TAILQ_FOREACH(trayclient, walk->trayclients, tailq) {
if (trayclient->win != event->window)
continue;
DLOG("Removing tray client with window ID %08x\n", event->window);
TAILQ_REMOVE(walk->trayclients, trayclient, tailq);
/* Trigger an update, we now have more space for the statusline */
configure_trayclients();
draw_bars();
return;
}
}
}
/*
* Handle PropertyNotify messages. Currently only the _XEMBED_INFO property is
* handled, which tells us whether a dock client should be mapped or unmapped.
*
*/
static void handle_property_notify(xcb_property_notify_event_t *event) {
DLOG("PropertyNotify\n");
if (event->atom == atoms[_XEMBED_INFO] &&
event->state == XCB_PROPERTY_NEW_VALUE) {
DLOG("xembed_info updated\n");
trayclient *trayclient = NULL, *walk;
i3_output *o_walk;
SLIST_FOREACH(o_walk, outputs, slist) {
if (!o_walk->active)
continue;
TAILQ_FOREACH(walk, o_walk->trayclients, tailq) {
if (walk->win != event->window)
continue;
trayclient = walk;
break;
}
if (trayclient)
break;
}
if (!trayclient) {
ELOG("PropertyNotify received for unknown window %08x\n",
event->window);
return;
}
xcb_get_property_cookie_t xembedc;
xembedc = xcb_get_property_unchecked(xcb_connection,
0,
trayclient->win,
atoms[_XEMBED_INFO],
XCB_GET_PROPERTY_TYPE_ANY,
0,
2 * 32);
xcb_get_property_reply_t *xembedr = xcb_get_property_reply(xcb_connection,
xembedc,
NULL);
if (xembedr == NULL || xembedr->length == 0) {
DLOG("xembed_info unset\n");
return;
}
DLOG("xembed format = %d, len = %d\n", xembedr->format, xembedr->length);
uint32_t *xembed = xcb_get_property_value(xembedr);
DLOG("xembed version = %d\n", xembed[0]);
DLOG("xembed flags = %d\n", xembed[1]);
bool map_it = ((xembed[1] & XEMBED_MAPPED) == XEMBED_MAPPED);
DLOG("map-state now %d\n", map_it);
if (trayclient->mapped && !map_it) {
/* need to unmap the window */
xcb_unmap_window(xcb_connection, trayclient->win);
trayclient->mapped = map_it;
configure_trayclients();
draw_bars();
} else if (!trayclient->mapped && map_it) {
/* need to map the window */
xcb_map_window(xcb_connection, trayclient->win);
trayclient->mapped = map_it;
configure_trayclients();
draw_bars();
}
free(xembedr);
}
}
/*
* Handle ConfigureRequests by denying them and sending the client a
* ConfigureNotify with its actual size.
*
*/
static void handle_configure_request(xcb_configure_request_event_t *event) {
DLOG("ConfigureRequest for window = %08x\n", event->window);
trayclient *trayclient;
i3_output *output;
SLIST_FOREACH(output, outputs, slist) {
if (!output->active)
continue;
int clients = 0;
TAILQ_FOREACH_REVERSE(trayclient, output->trayclients, tc_head, tailq) {
if (!trayclient->mapped)
continue;
clients++;
if (trayclient->win != event->window)
continue;
xcb_rectangle_t rect;
rect.x = output->rect.w - (clients * (font.height + 2));
rect.y = 2;
rect.width = font.height;
rect.height = font.height;
DLOG("This is a tray window. x = %d\n", rect.x);
fake_configure_notify(xcb_connection, rect, event->window, 0);
return;
}
}
DLOG("WARNING: Could not find corresponding tray window.\n");
}
2010-08-07 02:10:05 +02:00
/*
2011-08-12 23:09:59 +02:00
* This function is called immediately before the main loop locks. We flush xcb
2010-08-07 02:10:05 +02:00
* then (and only then)
*
*/
2011-02-16 19:53:42 +01:00
void xcb_prep_cb(struct ev_loop *loop, ev_prepare *watcher, int revents) {
xcb_flush(xcb_connection);
}
2010-08-07 02:10:05 +02:00
/*
* This function is called immediately after the main loop locks, so when one
* of the watchers registered an event.
2011-08-12 23:09:59 +02:00
* We check whether an X-Event arrived and handle it.
2010-08-07 02:10:05 +02:00
*
*/
void xcb_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) {
xcb_generic_event_t *event;
if (xcb_connection_has_error(xcb_connection)) {
ELOG("X11 connection was closed unexpectedly - maybe your X server terminated / crashed?\n");
exit(1);
}
while ((event = xcb_poll_for_event(xcb_connection)) != NULL) {
switch (event->response_type & ~0x80) {
case XCB_EXPOSE:
/* Expose-events happen, when the window needs to be redrawn */
redraw_bars();
break;
case XCB_BUTTON_PRESS:
/* Button-press-events are mouse-buttons clicked on one of our bars */
handle_button((xcb_button_press_event_t*) event);
break;
case XCB_CLIENT_MESSAGE:
/* Client messages are used for client-to-client communication, for
* example system tray widgets talk to us directly via client messages. */
handle_client_message((xcb_client_message_event_t*) event);
break;
case XCB_UNMAP_NOTIFY:
case XCB_DESTROY_NOTIFY:
/* UnmapNotifies are received when a tray window unmaps itself */
handle_unmap_notify((xcb_unmap_notify_event_t*) event);
break;
case XCB_PROPERTY_NOTIFY:
/* PropertyNotify */
handle_property_notify((xcb_property_notify_event_t*) event);
break;
case XCB_CONFIGURE_REQUEST:
/* ConfigureRequest, sent by a tray child */
handle_configure_request((xcb_configure_request_event_t*) event);
break;
}
free(event);
}
}
2010-08-07 02:10:05 +02:00
/*
* Dummy Callback. We only need this, so that the Prepare- and Check-Watchers
* are triggered
*
*/
void xcb_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
}
2010-08-25 16:23:30 +02:00
/*
* We need to bind to the modifier per XKB. Sadly, XCB does not implement this
*
*/
void xkb_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
XkbEvent ev;
int modstate = 0;
2010-08-25 16:23:30 +02:00
DLOG("Got XKB-Event!\n");
2010-08-25 16:23:30 +02:00
while (XPending(xkb_dpy)) {
XNextEvent(xkb_dpy, (XEvent*)&ev);
if (ev.type != xkb_event_base) {
ELOG("No Xkb-Event!\n");
2010-08-25 16:23:30 +02:00
continue;
}
if (ev.any.xkb_type != XkbStateNotify) {
ELOG("No State Notify!\n");
2010-08-25 16:23:30 +02:00
continue;
}
unsigned int mods = ev.state.mods;
modstate = mods & config.modifier;
2010-08-25 16:23:30 +02:00
}
#define DLOGMOD(modmask, status, barfunc) \
do { \
switch (modmask) { \
case ShiftMask: \
DLOG("ShiftMask got " #status "!\n"); \
break; \
case ControlMask: \
DLOG("ControlMask got " #status "!\n"); \
break; \
case Mod1Mask: \
DLOG("Mod1Mask got " #status "!\n"); \
break; \
case Mod2Mask: \
DLOG("Mod2Mask got " #status "!\n"); \
break; \
case Mod3Mask: \
DLOG("Mod3Mask got " #status "!\n"); \
break; \
case Mod4Mask: \
DLOG("Mod4Mask got " #status "!\n"); \
break; \
case Mod5Mask: \
DLOG("Mod5Mask got " #status "!\n"); \
break; \
} \
barfunc(); \
} while (0)
2010-08-25 16:23:30 +02:00
if (modstate != mod_pressed) {
if (modstate == 0) {
DLOGMOD(config.modifier, released, hide_bars);
2010-08-25 16:23:30 +02:00
} else {
DLOGMOD(config.modifier, pressed, unhide_bars);
2010-08-25 16:23:30 +02:00
}
mod_pressed = modstate;
}
#undef DLOGMOD
2010-08-25 16:23:30 +02:00
}
2010-08-07 02:10:05 +02:00
/*
* Early initialization of the connection to X11: Everything which does not
* depend on 'config'.
2010-08-07 02:10:05 +02:00
*
*/
char *init_xcb_early() {
2010-08-03 21:20:11 +02:00
/* FIXME: xcb_connect leaks Memory */
xcb_connection = xcb_connect(NULL, &screen);
2010-08-03 21:20:11 +02:00
if (xcb_connection_has_error(xcb_connection)) {
ELOG("Cannot open display\n");
2010-08-03 21:20:11 +02:00
exit(EXIT_FAILURE);
}
conn = xcb_connection;
DLOG("Connected to xcb\n");
2010-08-03 21:20:11 +02:00
/* We have to request the atoms we need */
#define ATOM_DO(name) atom_cookies[name] = xcb_intern_atom(xcb_connection, 0, strlen(#name), #name);
2010-08-07 02:10:05 +02:00
#include "xcb_atoms.def"
2010-07-22 01:15:18 +02:00
xcb_screen = xcb_aux_get_screen(xcb_connection, screen);
xcb_root = xcb_screen->root;
2010-08-03 21:20:11 +02:00
/* We draw the statusline to a seperate pixmap, because it looks the same on all bars and
* this way, we can choose to crop it */
uint32_t mask = XCB_GC_FOREGROUND;
uint32_t vals[] = { colors.bar_bg, colors.bar_bg };
statusline_clear = xcb_generate_id(xcb_connection);
xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
statusline_clear,
xcb_root,
mask,
vals);
statusline_ctx = xcb_generate_id(xcb_connection);
xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
statusline_ctx,
xcb_root,
0,
NULL);
statusline_pm = xcb_generate_id(xcb_connection);
xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
xcb_screen->root_depth,
statusline_pm,
xcb_root,
xcb_screen->width_in_pixels,
xcb_screen->height_in_pixels);
2011-08-12 23:09:59 +02:00
/* The various Watchers to communicate with xcb */
2011-10-21 20:30:46 +02:00
xcb_io = smalloc(sizeof(ev_io));
xcb_prep = smalloc(sizeof(ev_prepare));
xcb_chk = smalloc(sizeof(ev_check));
ev_io_init(xcb_io, &xcb_io_cb, xcb_get_file_descriptor(xcb_connection), EV_READ);
ev_prepare_init(xcb_prep, &xcb_prep_cb);
ev_check_init(xcb_chk, &xcb_chk_cb);
ev_io_start(main_loop, xcb_io);
ev_prepare_start(main_loop, xcb_prep);
ev_check_start(main_loop, xcb_chk);
2011-08-12 23:09:59 +02:00
/* Now we get the atoms and save them in a nice data structure */
2010-08-03 21:20:11 +02:00
get_atoms();
2011-03-19 22:06:08 +01:00
xcb_get_property_cookie_t path_cookie;
path_cookie = xcb_get_property_unchecked(xcb_connection,
0,
xcb_root,
atoms[I3_SOCKET_PATH],
XCB_GET_PROPERTY_TYPE_ANY,
0, PATH_MAX);
2011-08-12 23:09:59 +02:00
/* We check, if i3 set its socket-path */
2011-03-19 22:06:08 +01:00
xcb_get_property_reply_t *path_reply = xcb_get_property_reply(xcb_connection,
path_cookie,
NULL);
char *path = NULL;
if (path_reply) {
int len = xcb_get_property_value_length(path_reply);
if (len != 0) {
path = strndup(xcb_get_property_value(path_reply), len);
}
}
if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer") ||
xcb_request_failed(clear_ctx_cookie, "Could not allocate statusline-buffer-clearcontext") ||
xcb_request_failed(sl_ctx_cookie, "Could not allocate statusline-buffer-context")) {
exit(EXIT_FAILURE);
}
return path;
}
/*
* Initialization which depends on 'config' being usable. Called after the
* configuration has arrived.
*
*/
void init_xcb_late(char *fontname) {
if (fontname == NULL)
fontname = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1";
/* Load the font */
font = load_font(fontname, true);
set_font(&font);
DLOG("Calculated Font-height: %d\n", font.height);
xcb_flush(xcb_connection);
/* To grab modifiers without blocking other applications from receiving key-events
* involving that modifier, we sadly have to use xkb which is not yet fully supported
* in xcb */
if (config.hide_on_modifier) {
int xkb_major, xkb_minor, xkb_errbase, xkb_err;
xkb_major = XkbMajorVersion;
xkb_minor = XkbMinorVersion;
xkb_dpy = XkbOpenDisplay(NULL,
&xkb_event_base,
&xkb_errbase,
&xkb_major,
&xkb_minor,
&xkb_err);
if (xkb_dpy == NULL) {
ELOG("No XKB!\n");
exit(EXIT_FAILURE);
}
if (fcntl(ConnectionNumber(xkb_dpy), F_SETFD, FD_CLOEXEC) == -1) {
ELOG("Could not set FD_CLOEXEC on xkbdpy: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
int i1;
if (!XkbQueryExtension(xkb_dpy, &i1, &xkb_event_base, &xkb_errbase, &xkb_major, &xkb_minor)) {
ELOG("XKB not supported by X-server!\n");
exit(EXIT_FAILURE);
}
if (!XkbSelectEvents(xkb_dpy, XkbUseCoreKbd, XkbStateNotifyMask, XkbStateNotifyMask)) {
ELOG("Could not grab Key!\n");
exit(EXIT_FAILURE);
}
2011-10-21 20:30:46 +02:00
xkb_io = smalloc(sizeof(ev_io));
ev_io_init(xkb_io, &xkb_io_cb, ConnectionNumber(xkb_dpy), EV_READ);
ev_io_start(main_loop, xkb_io);
XFlush(xkb_dpy);
}
2010-07-22 01:15:18 +02:00
}
/*
* Initializes tray support by requesting the appropriate _NET_SYSTEM_TRAY atom
* for the X11 display we are running on, then acquiring the selection for this
* atom. Afterwards, tray clients will send ClientMessages to our window.
*
*/
void init_tray() {
DLOG("Initializing system tray functionality\n");
/* request the tray manager atom for the X11 display we are running on */
char atomname[strlen("_NET_SYSTEM_TRAY_S") + 11];
snprintf(atomname, strlen("_NET_SYSTEM_TRAY_S") + 11, "_NET_SYSTEM_TRAY_S%d", screen);
xcb_intern_atom_cookie_t tray_cookie;
xcb_intern_atom_reply_t *tray_reply;
tray_cookie = xcb_intern_atom(xcb_connection, 0, strlen(atomname), atomname);
/* tray support: we need a window to own the selection */
xcb_window_t selwin = xcb_generate_id(xcb_connection);
uint32_t selmask = XCB_CW_OVERRIDE_REDIRECT;
uint32_t selval[] = { 1 };
xcb_create_window(xcb_connection,
xcb_screen->root_depth,
selwin,
xcb_root,
-1, -1,
1, 1,
1,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
xcb_screen->root_visual,
selmask,
selval);
uint32_t orientation = _NET_SYSTEM_TRAY_ORIENTATION_HORZ;
/* set the atoms */
xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE,
selwin,
atoms[_NET_SYSTEM_TRAY_ORIENTATION],
2011-08-17 01:32:29 +02:00
XCB_ATOM_CARDINAL,
32,
1,
&orientation);
if (!(tray_reply = xcb_intern_atom_reply(xcb_connection, tray_cookie, NULL))) {
ELOG("Could not get atom %s\n", atomname);
exit(EXIT_FAILURE);
}
xcb_set_selection_owner(xcb_connection,
selwin,
tray_reply->atom,
XCB_CURRENT_TIME);
/* Verify that we have the selection */
xcb_get_selection_owner_cookie_t selcookie;
xcb_get_selection_owner_reply_t *selreply;
selcookie = xcb_get_selection_owner(xcb_connection, tray_reply->atom);
if (!(selreply = xcb_get_selection_owner_reply(xcb_connection, selcookie, NULL))) {
ELOG("Could not get selection owner for %s\n", atomname);
exit(EXIT_FAILURE);
}
if (selreply->owner != selwin) {
ELOG("Could not set the %s selection. " \
"Maybe another tray is already running?\n", atomname);
/* NOTE that this error is not fatal. We just cant provide tray
* functionality */
free(selreply);
return;
}
/* Inform clients waiting for a new _NET_SYSTEM_TRAY that we are here */
2011-10-21 20:30:46 +02:00
void *event = scalloc(32);
xcb_client_message_event_t *ev = event;
ev->response_type = XCB_CLIENT_MESSAGE;
ev->window = xcb_root;
ev->type = atoms[MANAGER];
ev->format = 32;
ev->data.data32[0] = XCB_CURRENT_TIME;
ev->data.data32[1] = tray_reply->atom;
ev->data.data32[2] = selwin;
xcb_send_event(xcb_connection,
0,
xcb_root,
0xFFFFFF,
(char*)ev);
free(event);
free(tray_reply);
}
2010-08-07 02:10:05 +02:00
/*
* Cleanup the xcb-stuff.
* Called once, before the program terminates.
*
*/
2010-07-22 01:15:18 +02:00
void clean_xcb() {
i3_output *o_walk;
free_workspaces();
SLIST_FOREACH(o_walk, outputs, slist) {
destroy_window(o_walk);
FREE(o_walk->trayclients);
FREE(o_walk->workspaces);
FREE(o_walk->name);
2010-08-07 02:34:02 +02:00
}
FREE_SLIST(outputs, i3_output);
FREE(outputs);
2010-08-07 02:34:02 +02:00
xcb_flush(xcb_connection);
2010-08-03 21:20:11 +02:00
xcb_disconnect(xcb_connection);
ev_check_stop(main_loop, xcb_chk);
ev_prepare_stop(main_loop, xcb_prep);
ev_io_stop(main_loop, xcb_io);
FREE(xcb_chk);
FREE(xcb_prep);
FREE(xcb_io);
2010-07-22 01:15:18 +02:00
}
2010-08-07 02:10:05 +02:00
/*
2011-08-12 23:09:59 +02:00
* Get the earlier requested atoms and save them in the prepared data structure
2010-08-07 02:10:05 +02:00
*
*/
2010-07-22 01:15:18 +02:00
void get_atoms() {
2010-08-03 21:20:11 +02:00
xcb_intern_atom_reply_t *reply;
#define ATOM_DO(name) reply = xcb_intern_atom_reply(xcb_connection, atom_cookies[name], NULL); \
2010-08-18 03:58:32 +02:00
if (reply == NULL) { \
ELOG("Could not get atom %s\n", #name); \
2010-08-18 03:58:32 +02:00
exit(EXIT_FAILURE); \
} \
2010-08-03 21:20:11 +02:00
atoms[name] = reply->atom; \
free(reply);
2010-07-22 01:15:18 +02:00
2010-08-03 21:20:11 +02:00
#include "xcb_atoms.def"
DLOG("Got Atoms\n");
2010-07-22 01:15:18 +02:00
}
2010-08-07 02:10:05 +02:00
/*
* Reparents all tray clients of the specified output to the root window. This
* is either used when shutting down, when an output appears (xrandr --output
* VGA1 --off) or when the primary output changes.
*
* Applications using the tray will start the protocol from the beginning again
* afterwards.
2010-08-07 02:10:05 +02:00
*
*/
void kick_tray_clients(i3_output *output) {
trayclient *trayclient;
while (!TAILQ_EMPTY(output->trayclients)) {
trayclient = TAILQ_FIRST(output->trayclients);
/* Unmap, then reparent (to root) the tray client windows */
xcb_unmap_window(xcb_connection, trayclient->win);
xcb_reparent_window(xcb_connection,
trayclient->win,
xcb_root,
0,
0);
/* We remove the trayclient right here. We might receive an UnmapNotify
* event afterwards, but better safe than sorry. */
TAILQ_REMOVE(output->trayclients, trayclient, tailq);
}
}
/*
* Destroy the bar of the specified output
*
*/
void destroy_window(i3_output *output) {
if (output == NULL) {
return;
}
if (output->bar == XCB_NONE) {
return;
}
kick_tray_clients(output);
2010-08-06 03:32:05 +02:00
xcb_destroy_window(xcb_connection, output->bar);
output->bar = XCB_NONE;
}
/*
* Reallocate the statusline-buffer
*
*/
void realloc_sl_buffer() {
DLOG("Re-allocating statusline-buffer, statusline_width = %d, xcb_screen->width_in_pixels = %d\n",
statusline_width, xcb_screen->width_in_pixels);
xcb_free_pixmap(xcb_connection, statusline_pm);
statusline_pm = xcb_generate_id(xcb_connection);
xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
xcb_screen->root_depth,
statusline_pm,
xcb_root,
MAX(xcb_screen->width_in_pixels, statusline_width),
xcb_screen->height_in_pixels);
uint32_t mask = XCB_GC_FOREGROUND;
uint32_t vals[2] = { colors.bar_bg, colors.bar_bg };
xcb_free_gc(xcb_connection, statusline_clear);
statusline_clear = xcb_generate_id(xcb_connection);
xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
statusline_clear,
xcb_root,
mask,
vals);
mask |= XCB_GC_BACKGROUND;
vals[0] = colors.bar_fg;
statusline_ctx = xcb_generate_id(xcb_connection);
xcb_free_gc(xcb_connection, statusline_ctx);
xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
statusline_ctx,
xcb_root,
mask,
vals);
if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer") ||
xcb_request_failed(clear_ctx_cookie, "Could not allocate statusline-buffer-clearcontext") ||
xcb_request_failed(sl_ctx_cookie, "Could not allocate statusline-buffer-context")) {
exit(EXIT_FAILURE);
}
}
2010-08-07 02:10:05 +02:00
/*
2011-08-12 23:09:59 +02:00
* Reconfigure all bars and create new bars for recently activated outputs
2010-08-07 02:10:05 +02:00
*
*/
2010-08-06 03:32:05 +02:00
void reconfig_windows() {
2010-08-03 21:20:11 +02:00
uint32_t mask;
uint32_t values[5];
static bool tray_configured = false;
2010-08-03 21:20:11 +02:00
i3_output *walk;
SLIST_FOREACH(walk, outputs, slist) {
if (!walk->active) {
2011-08-12 23:09:59 +02:00
/* If an output is not active, we destroy its bar */
2010-08-07 02:10:05 +02:00
/* FIXME: Maybe we rather want to unmap? */
DLOG("Destroying window for output %s\n", walk->name);
2010-08-06 03:32:05 +02:00
destroy_window(walk);
2010-08-03 21:20:11 +02:00
continue;
}
2010-08-06 03:32:05 +02:00
if (walk->bar == XCB_NONE) {
DLOG("Creating Window for output %s\n", walk->name);
2010-08-06 03:32:05 +02:00
walk->bar = xcb_generate_id(xcb_connection);
walk->buffer = xcb_generate_id(xcb_connection);
mask = XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
2010-08-07 02:10:05 +02:00
/* Black background */
2010-11-04 13:46:50 +01:00
values[0] = colors.bar_bg;
2010-08-26 00:02:35 +02:00
/* If hide_on_modifier is set, i3 is not supposed to manage our bar-windows */
values[1] = config.hide_on_modifier;
/* We enable the following EventMask fields:
* EXPOSURE, to get expose events (we have to re-draw then)
* SUBSTRUCTURE_REDIRECT, to get ConfigureRequests when the tray
* child windows use ConfigureWindow
* BUTTON_PRESS, to handle clicks on the workspace buttons
* */
values[2] = XCB_EVENT_MASK_EXPOSURE |
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
if (!config.disable_ws) {
values[2] |= XCB_EVENT_MASK_BUTTON_PRESS;
}
xcb_void_cookie_t win_cookie = xcb_create_window_checked(xcb_connection,
xcb_screen->root_depth,
walk->bar,
xcb_root,
walk->rect.x, walk->rect.y + walk->rect.h - font.height - 6,
walk->rect.w, font.height + 6,
1,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
xcb_screen->root_visual,
mask,
values);
2010-09-17 05:26:31 +02:00
/* The double-buffer we use to render stuff off-screen */
xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
xcb_screen->root_depth,
walk->buffer,
walk->bar,
walk->rect.w,
walk->rect.h);
2011-10-09 15:45:23 +02:00
/* Set the WM_CLASS and WM_NAME (we don't need UTF-8) atoms */
xcb_void_cookie_t class_cookie;
class_cookie = xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE,
walk->bar,
XCB_ATOM_WM_CLASS,
XCB_ATOM_STRING,
8,
(strlen("i3bar") + 1) * 2,
"i3bar\0i3bar\0");
char *name;
if (asprintf(&name, "i3bar for output %s", walk->name) == -1)
err(EXIT_FAILURE, "asprintf()");
xcb_void_cookie_t name_cookie;
name_cookie = xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE,
walk->bar,
XCB_ATOM_WM_NAME,
XCB_ATOM_STRING,
8,
strlen(name),
name);
free(name);
2010-09-17 05:26:31 +02:00
/* We want dock-windows (for now). When override_redirect is set, i3 is ignoring
* this one */
2011-02-21 15:47:58 +01:00
xcb_void_cookie_t dock_cookie = xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE,
walk->bar,
atoms[_NET_WM_WINDOW_TYPE],
2011-02-21 15:47:58 +01:00
XCB_ATOM_ATOM,
32,
1,
(unsigned char*) &atoms[_NET_WM_WINDOW_TYPE_DOCK]);
2010-09-17 05:26:31 +02:00
2011-02-21 15:47:58 +01:00
/* We need to tell i3, where to reserve space for i3bar */
/* left, right, top, bottom, left_start_y, left_end_y,
* right_start_y, right_end_y, top_start_x, top_end_x, bottom_start_x,
* bottom_end_x */
/* A local struct to save the strut_partial property */
struct {
uint32_t left;
uint32_t right;
uint32_t top;
uint32_t bottom;
uint32_t left_start_y;
uint32_t left_end_y;
uint32_t right_start_y;
uint32_t right_end_y;
uint32_t top_start_x;
uint32_t top_end_x;
uint32_t bottom_start_x;
uint32_t bottom_end_x;
} __attribute__((__packed__)) strut_partial = {0,};
switch (config.position) {
case POS_NONE:
2011-02-21 15:47:58 +01:00
break;
case POS_TOP:
strut_partial.top = font.height + 6;
2011-02-21 15:47:58 +01:00
strut_partial.top_start_x = walk->rect.x;
strut_partial.top_end_x = walk->rect.x + walk->rect.w;
break;
case POS_BOT:
strut_partial.bottom = font.height + 6;
2011-02-21 15:47:58 +01:00
strut_partial.bottom_start_x = walk->rect.x;
strut_partial.bottom_end_x = walk->rect.x + walk->rect.w;
break;
}
xcb_void_cookie_t strut_cookie = xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE,
walk->bar,
atoms[_NET_WM_STRUT_PARTIAL],
XCB_ATOM_CARDINAL,
32,
12,
&strut_partial);
2010-09-17 05:26:31 +02:00
/* We also want a graphics-context for the bars (it defines the properties
* with which we draw to them) */
walk->bargc = xcb_generate_id(xcb_connection);
xcb_void_cookie_t gc_cookie = xcb_create_gc_checked(xcb_connection,
walk->bargc,
walk->bar,
0,
NULL);
/* We finally map the bar (display it on screen), unless the modifier-switch is on */
xcb_void_cookie_t map_cookie;
if (!config.hide_on_modifier) {
map_cookie = xcb_map_window_checked(xcb_connection, walk->bar);
}
2011-02-21 15:47:58 +01:00
if (xcb_request_failed(win_cookie, "Could not create window") ||
xcb_request_failed(pm_cookie, "Could not create pixmap") ||
xcb_request_failed(dock_cookie, "Could not set dock mode") ||
2011-10-09 15:45:23 +02:00
xcb_request_failed(class_cookie, "Could not set WM_CLASS") ||
xcb_request_failed(name_cookie, "Could not set WM_NAME") ||
2011-02-21 15:47:58 +01:00
xcb_request_failed(strut_cookie, "Could not set strut") ||
xcb_request_failed(gc_cookie, "Could not create graphical context") ||
(!config.hide_on_modifier && xcb_request_failed(map_cookie, "Could not map window"))) {
2010-08-18 03:58:32 +02:00
exit(EXIT_FAILURE);
}
if (!tray_configured &&
(!config.tray_output ||
strcasecmp("none", config.tray_output) != 0)) {
init_tray();
tray_configured = true;
}
2010-08-06 03:32:05 +02:00
} else {
2010-08-07 02:10:05 +02:00
/* We already have a bar, so we just reconfigure it */
2010-08-06 03:32:05 +02:00
mask = XCB_CONFIG_WINDOW_X |
XCB_CONFIG_WINDOW_Y |
XCB_CONFIG_WINDOW_WIDTH |
XCB_CONFIG_WINDOW_HEIGHT |
XCB_CONFIG_WINDOW_STACK_MODE;
2010-08-06 03:32:05 +02:00
values[0] = walk->rect.x;
values[1] = walk->rect.y + walk->rect.h - font.height - 6;
2010-08-06 03:32:05 +02:00
values[2] = walk->rect.w;
values[3] = font.height + 6;
values[4] = XCB_STACK_MODE_ABOVE;
DLOG("Destroying buffer for output %s", walk->name);
xcb_free_pixmap(xcb_connection, walk->buffer);
DLOG("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
xcb_void_cookie_t cfg_cookie = xcb_configure_window_checked(xcb_connection,
walk->bar,
mask,
values);
DLOG("Recreating buffer for output %s", walk->name);
xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
xcb_screen->root_depth,
walk->buffer,
walk->bar,
walk->rect.w,
walk->rect.h);
if (xcb_request_failed(cfg_cookie, "Could not reconfigure window")) {
2010-08-18 03:58:32 +02:00
exit(EXIT_FAILURE);
}
if (xcb_request_failed(pm_cookie, "Could not create pixmap")) {
exit(EXIT_FAILURE);
}
2010-08-06 03:32:05 +02:00
}
2010-08-03 21:20:11 +02:00
}
2010-07-22 01:15:18 +02:00
}
2010-07-26 17:21:46 +02:00
2010-08-07 02:10:05 +02:00
/*
* Render the bars, with buttons and statusline
*
*/
2010-08-04 03:34:18 +02:00
void draw_bars() {
DLOG("Drawing Bars...\n");
2010-08-03 21:20:11 +02:00
int i = 0;
refresh_statusline();
2010-08-03 21:20:11 +02:00
i3_output *outputs_walk;
SLIST_FOREACH(outputs_walk, outputs, slist) {
if (!outputs_walk->active) {
DLOG("Output %s inactive, skipping...\n", outputs_walk->name);
2010-08-03 21:20:11 +02:00
continue;
}
if (outputs_walk->bar == XCB_NONE) {
2010-09-17 05:26:31 +02:00
/* Oh shit, an active output without an own bar. Create it now! */
2010-08-06 03:32:05 +02:00
reconfig_windows();
2010-08-03 21:20:11 +02:00
}
2010-09-17 05:26:31 +02:00
/* First things first: clear the backbuffer */
uint32_t color = colors.bar_bg;
2010-08-03 21:20:11 +02:00
xcb_change_gc(xcb_connection,
outputs_walk->bargc,
XCB_GC_FOREGROUND,
&color);
xcb_rectangle_t rect = { 0, 0, outputs_walk->rect.w, font.height + 6 };
2010-08-03 21:20:11 +02:00
xcb_poly_fill_rectangle(xcb_connection,
outputs_walk->buffer,
2010-08-03 21:20:11 +02:00
outputs_walk->bargc,
1,
&rect);
2010-09-17 05:26:31 +02:00
if (!TAILQ_EMPTY(&statusline_head)) {
DLOG("Printing statusline!\n");
2010-08-06 03:32:05 +02:00
2010-09-17 05:26:31 +02:00
/* Luckily we already prepared a seperate pixmap containing the rendered
* statusline, we just have to copy the relevant parts to the relevant
* position */
trayclient *trayclient;
int traypx = 0;
TAILQ_FOREACH(trayclient, outputs_walk->trayclients, tailq) {
if (!trayclient->mapped)
continue;
/* We assume the tray icons are quadratic (we use the font
* *height* as *width* of the icons) because we configured them
* like this. */
traypx += font.height + 2;
}
/* Add 2px of padding if there are any tray icons */
if (traypx > 0)
traypx += 2;
xcb_copy_area(xcb_connection,
statusline_pm,
outputs_walk->buffer,
outputs_walk->bargc,
MAX(0, (int16_t)(statusline_width - outputs_walk->rect.w + 4)), 0,
MAX(0, (int16_t)(outputs_walk->rect.w - statusline_width - traypx - 4)), 3,
MIN(outputs_walk->rect.w - traypx - 4, statusline_width), font.height);
2010-08-04 03:34:18 +02:00
}
if (config.disable_ws) {
continue;
}
2010-08-03 21:20:11 +02:00
i3_ws *ws_walk;
static char *last_urgent_ws = NULL;
bool has_urgent = false, walks_away = true;
2010-08-03 21:20:11 +02:00
TAILQ_FOREACH(ws_walk, outputs_walk->workspaces, tailq) {
DLOG("Drawing Button for WS %s at x = %d, len = %d\n", ws_walk->name, i, ws_walk->name_width);
uint32_t fg_color = colors.inactive_ws_fg;
uint32_t bg_color = colors.inactive_ws_bg;
uint32_t border_color = colors.inactive_ws_border;
2010-08-03 21:20:11 +02:00
if (ws_walk->visible) {
2011-03-20 19:29:30 +01:00
if (!ws_walk->focused) {
fg_color = colors.active_ws_fg;
bg_color = colors.active_ws_bg;
border_color = colors.active_ws_border;
2011-03-20 19:29:30 +01:00
} else {
fg_color = colors.focus_ws_fg;
bg_color = colors.focus_ws_bg;
border_color = colors.focus_ws_border;
if (last_urgent_ws && strcmp(ws_walk->name, last_urgent_ws) == 0)
walks_away = false;
2011-03-20 19:29:30 +01:00
}
2010-08-03 21:20:11 +02:00
}
if (ws_walk->urgent) {
DLOG("WS %s is urgent!\n", ws_walk->name);
fg_color = colors.urgent_ws_fg;
bg_color = colors.urgent_ws_bg;
border_color = colors.urgent_ws_border;
has_urgent = true;
if (!ws_walk->focused) {
FREE(last_urgent_ws);
last_urgent_ws = sstrdup(ws_walk->name);
}
2010-08-25 21:50:01 +02:00
/* The urgent-hint should get noticed, so we unhide the bars shortly */
unhide_bars();
2010-08-03 21:20:11 +02:00
}
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
uint32_t vals_border[] = { border_color, border_color };
xcb_change_gc(xcb_connection,
outputs_walk->bargc,
mask,
vals_border);
xcb_rectangle_t rect_border = { i, 0, ws_walk->name_width + 10, font.height + 4 };
xcb_poly_fill_rectangle(xcb_connection,
outputs_walk->buffer,
outputs_walk->bargc,
1,
&rect_border);
uint32_t vals[] = { bg_color, bg_color };
2010-08-03 21:20:11 +02:00
xcb_change_gc(xcb_connection,
outputs_walk->bargc,
mask,
vals);
xcb_rectangle_t rect = { i + 1, 1, ws_walk->name_width + 8, font.height + 2 };
2010-08-03 21:20:11 +02:00
xcb_poly_fill_rectangle(xcb_connection,
outputs_walk->buffer,
2010-08-03 21:20:11 +02:00
outputs_walk->bargc,
1,
&rect);
set_font_colors(outputs_walk->bargc, fg_color, bg_color);
draw_text((char*)ws_walk->ucs2_name, ws_walk->name_glyphs, true,
outputs_walk->buffer, outputs_walk->bargc, i + 5, 2, ws_walk->name_width);
i += 10 + ws_walk->name_width + 1;
2010-08-03 21:20:11 +02:00
}
2010-08-04 03:34:18 +02:00
if (!has_urgent && !mod_pressed && walks_away) {
FREE(last_urgent_ws);
hide_bars();
}
2010-08-03 21:20:11 +02:00
i = 0;
}
redraw_bars();
2010-07-26 17:21:46 +02:00
}
/*
* Redraw the bars, i.e. simply copy the buffer to the barwindow
*
*/
void redraw_bars() {
i3_output *outputs_walk;
SLIST_FOREACH(outputs_walk, outputs, slist) {
if (!outputs_walk->active) {
continue;
}
xcb_copy_area(xcb_connection,
outputs_walk->buffer,
outputs_walk->bar,
outputs_walk->bargc,
0, 0,
0, 0,
outputs_walk->rect.w,
outputs_walk->rect.h);
xcb_flush(xcb_connection);
}
}