1882 lines
71 KiB
C
1882 lines
71 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3bar - an xcb-based status- and ws-bar for i3
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* © 2010-2012 Axel Wagner and contributors (see also: LICENSE)
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*
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* xcb.c: Communicating with X
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*
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*/
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#include <xcb/xcb.h>
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#include <xcb/xproto.h>
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#include <xcb/xcb_aux.h>
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#ifdef XCB_COMPAT
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#include "xcb_compat.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <i3/ipc.h>
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#include <ev.h>
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#include <errno.h>
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#include <limits.h>
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#include <err.h>
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#include <X11/Xlib.h>
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#include <X11/XKBlib.h>
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#include <X11/extensions/XKB.h>
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#include "common.h"
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#include "libi3.h"
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/* We save the Atoms in an easy to access array, indexed by an enum */
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enum {
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#define ATOM_DO(name) name,
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#include "xcb_atoms.def"
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NUM_ATOMS
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};
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xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
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xcb_atom_t atoms[NUM_ATOMS];
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/* Variables, that are the same for all functions at all times */
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xcb_connection_t *xcb_connection;
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int screen;
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xcb_screen_t *root_screen;
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xcb_window_t xcb_root;
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/* selection window for tray support */
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static xcb_window_t selwin = XCB_NONE;
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static xcb_intern_atom_reply_t *tray_reply = NULL;
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/* This is needed for integration with libi3 */
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xcb_connection_t *conn;
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/* The font we'll use */
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static i3Font font;
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/* Overall height of the bar (based on font size) */
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int bar_height;
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/* These are only relevant for XKB, which we only need for grabbing modifiers */
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Display *xkb_dpy;
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int xkb_event_base;
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int mod_pressed = 0;
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/* Because the statusline is the same on all outputs, we have
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* global buffer to render it on */
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xcb_gcontext_t statusline_ctx;
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xcb_gcontext_t statusline_clear;
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xcb_pixmap_t statusline_pm;
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uint32_t statusline_width;
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/* Event-Watchers, to interact with the user */
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ev_prepare *xcb_prep;
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ev_check *xcb_chk;
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ev_io *xcb_io;
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ev_io *xkb_io;
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/* The name of current binding mode */
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static mode binding;
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/* Indicates whether a new binding mode was recently activated */
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bool activated_mode = false;
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/* The parsed colors */
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struct xcb_colors_t {
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uint32_t bar_fg;
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uint32_t bar_bg;
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uint32_t sep_fg;
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uint32_t active_ws_fg;
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uint32_t active_ws_bg;
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uint32_t active_ws_border;
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uint32_t inactive_ws_fg;
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uint32_t inactive_ws_bg;
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uint32_t inactive_ws_border;
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uint32_t urgent_ws_bg;
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uint32_t urgent_ws_fg;
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uint32_t urgent_ws_border;
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uint32_t focus_ws_bg;
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uint32_t focus_ws_fg;
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uint32_t focus_ws_border;
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};
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struct xcb_colors_t colors;
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/* We define xcb_request_failed as a macro to include the relevant line-number */
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#define xcb_request_failed(cookie, err_msg) _xcb_request_failed(cookie, err_msg, __LINE__)
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int _xcb_request_failed(xcb_void_cookie_t cookie, char *err_msg, int line) {
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xcb_generic_error_t *err;
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if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
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fprintf(stderr, "[%s:%d] ERROR: %s. X Error Code: %d\n", __FILE__, line, err_msg, err->error_code);
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return err->error_code;
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}
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return 0;
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}
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/*
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* Redraws the statusline to the buffer
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*
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*/
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void refresh_statusline(void) {
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struct status_block *block;
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uint32_t old_statusline_width = statusline_width;
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statusline_width = 0;
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/* Predict the text width of all blocks (in pixels). */
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TAILQ_FOREACH (block, &statusline_head, blocks) {
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if (i3string_get_num_bytes(block->full_text) == 0)
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continue;
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block->width = predict_text_width(block->full_text);
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/* Compute offset and append for text aligment in min_width. */
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if (block->min_width <= block->width) {
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block->x_offset = 0;
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block->x_append = 0;
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} else {
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uint32_t padding_width = block->min_width - block->width;
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switch (block->align) {
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case ALIGN_LEFT:
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block->x_append = padding_width;
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break;
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case ALIGN_RIGHT:
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block->x_offset = padding_width;
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break;
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case ALIGN_CENTER:
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block->x_offset = padding_width / logical_px(2);
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block->x_append = padding_width / logical_px(2) + padding_width % logical_px(2);
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break;
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}
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}
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/* If this is not the last block, add some pixels for a separator. */
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if (TAILQ_NEXT(block, blocks) != NULL)
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block->width += block->sep_block_width;
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statusline_width += block->width + block->x_offset + block->x_append;
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}
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/* If the statusline is bigger than our screen we need to make sure that
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* the pixmap provides enough space, so re-allocate if the width grew */
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if (statusline_width > root_screen->width_in_pixels &&
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statusline_width > old_statusline_width)
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realloc_sl_buffer();
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/* Clear the statusline pixmap. */
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xcb_rectangle_t rect = {0, 0, root_screen->width_in_pixels, font.height + logical_px(5)};
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xcb_poly_fill_rectangle(xcb_connection, statusline_pm, statusline_clear, 1, &rect);
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/* Draw the text of each block. */
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uint32_t x = 0;
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TAILQ_FOREACH (block, &statusline_head, blocks) {
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if (i3string_get_num_bytes(block->full_text) == 0)
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continue;
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uint32_t colorpixel = (block->color ? get_colorpixel(block->color) : colors.bar_fg);
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set_font_colors(statusline_ctx, colorpixel, colors.bar_bg);
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draw_text(block->full_text, statusline_pm, statusline_ctx, x + block->x_offset, 1, block->width);
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x += block->width + block->x_offset + block->x_append;
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if (TAILQ_NEXT(block, blocks) != NULL && !block->no_separator && block->sep_block_width > 0) {
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/* This is not the last block, draw a separator. */
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uint32_t sep_offset = block->sep_block_width / 2 + block->sep_block_width % 2;
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uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_LINE_WIDTH;
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uint32_t values[] = {colors.sep_fg, colors.bar_bg, logical_px(1)};
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xcb_change_gc(xcb_connection, statusline_ctx, mask, values);
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xcb_poly_line(xcb_connection, XCB_COORD_MODE_ORIGIN, statusline_pm,
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statusline_ctx, 2,
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(xcb_point_t[]) {{x - sep_offset, 2},
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{x - sep_offset, font.height - 2}});
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}
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}
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}
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/*
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* Hides all bars (unmaps them)
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*
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*/
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void hide_bars(void) {
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if ((config.hide_on_modifier == M_DOCK) || (config.hidden_state == S_SHOW && config.hide_on_modifier == M_HIDE)) {
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return;
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}
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i3_output *walk;
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SLIST_FOREACH (walk, outputs, slist) {
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if (!walk->active) {
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continue;
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}
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xcb_unmap_window(xcb_connection, walk->bar);
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}
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stop_child();
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}
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/*
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* Unhides all bars (maps them)
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*
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*/
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void unhide_bars(void) {
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if (config.hide_on_modifier != M_HIDE) {
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return;
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}
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i3_output *walk;
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xcb_void_cookie_t cookie;
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uint32_t mask;
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uint32_t values[5];
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cont_child();
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SLIST_FOREACH (walk, outputs, slist) {
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if (walk->bar == XCB_NONE) {
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continue;
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}
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mask = XCB_CONFIG_WINDOW_X |
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XCB_CONFIG_WINDOW_Y |
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XCB_CONFIG_WINDOW_WIDTH |
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XCB_CONFIG_WINDOW_HEIGHT |
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XCB_CONFIG_WINDOW_STACK_MODE;
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values[0] = walk->rect.x;
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if (config.position == POS_TOP)
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values[1] = walk->rect.y;
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else
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values[1] = walk->rect.y + walk->rect.h - bar_height;
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values[2] = walk->rect.w;
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values[3] = bar_height;
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values[4] = XCB_STACK_MODE_ABOVE;
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DLOG("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
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cookie = xcb_configure_window_checked(xcb_connection,
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walk->bar,
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mask,
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values);
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if (xcb_request_failed(cookie, "Could not reconfigure window")) {
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exit(EXIT_FAILURE);
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}
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xcb_map_window(xcb_connection, walk->bar);
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}
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}
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/*
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* Parse the colors into a format that we can use
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*
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*/
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void init_colors(const struct xcb_color_strings_t *new_colors) {
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#define PARSE_COLOR(name, def) \
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do { \
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colors.name = get_colorpixel(new_colors->name ? new_colors->name : def); \
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} while (0)
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PARSE_COLOR(bar_fg, "#FFFFFF");
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PARSE_COLOR(bar_bg, "#000000");
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PARSE_COLOR(sep_fg, "#666666");
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PARSE_COLOR(active_ws_fg, "#FFFFFF");
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PARSE_COLOR(active_ws_bg, "#333333");
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PARSE_COLOR(active_ws_border, "#333333");
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PARSE_COLOR(inactive_ws_fg, "#888888");
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PARSE_COLOR(inactive_ws_bg, "#222222");
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PARSE_COLOR(inactive_ws_border, "#333333");
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PARSE_COLOR(urgent_ws_fg, "#FFFFFF");
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PARSE_COLOR(urgent_ws_bg, "#900000");
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PARSE_COLOR(urgent_ws_border, "#2f343a");
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PARSE_COLOR(focus_ws_fg, "#FFFFFF");
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PARSE_COLOR(focus_ws_bg, "#285577");
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PARSE_COLOR(focus_ws_border, "#4c7899");
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#undef PARSE_COLOR
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init_tray_colors();
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xcb_flush(xcb_connection);
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}
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/*
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* Handle a button-press-event (i.e. a mouse click on one of our bars).
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* We determine, whether the click occured on a ws-button or if the scroll-
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* wheel was used and change the workspace appropriately
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*
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*/
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void handle_button(xcb_button_press_event_t *event) {
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i3_ws *cur_ws;
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/* Determine, which bar was clicked */
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i3_output *walk;
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xcb_window_t bar = event->event;
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SLIST_FOREACH (walk, outputs, slist) {
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if (walk->bar == bar) {
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break;
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}
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}
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if (walk == NULL) {
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DLOG("Unknown Bar klicked!\n");
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return;
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}
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/* TODO: Move this to extern get_ws_for_output() */
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TAILQ_FOREACH (cur_ws, walk->workspaces, tailq) {
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if (cur_ws->visible) {
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break;
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}
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}
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if (cur_ws == NULL) {
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DLOG("No Workspace active?\n");
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return;
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}
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int32_t x = event->event_x >= 0 ? event->event_x : 0;
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int32_t original_x = x;
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DLOG("Got Button %d\n", event->detail);
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if (child_want_click_events()) {
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/* If the child asked for click events,
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* check if a status block has been clicked. */
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/* First calculate width of tray area */
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trayclient *trayclient;
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int tray_width = 0;
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TAILQ_FOREACH_REVERSE (trayclient, walk->trayclients, tc_head, tailq) {
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if (!trayclient->mapped)
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continue;
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tray_width += (font.height + logical_px(2));
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}
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int block_x = 0, last_block_x;
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int offset = (walk->rect.w - (statusline_width + tray_width)) - logical_px(10);
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x = original_x - offset;
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if (x >= 0) {
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struct status_block *block;
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TAILQ_FOREACH (block, &statusline_head, blocks) {
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last_block_x = block_x;
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block_x += block->width + block->x_offset + block->x_append;
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if (x <= block_x && x >= last_block_x) {
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send_block_clicked(event->detail, block->name, block->instance, event->root_x, event->root_y);
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return;
|
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}
|
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}
|
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}
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x = original_x;
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}
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|
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switch (event->detail) {
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case 4:
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/* Mouse wheel up. We select the previous ws, if any.
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* If there is no more workspace, don’t even send the workspace
|
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* command, otherwise (with workspace auto_back_and_forth) we’d end
|
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* up on the wrong workspace. */
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if (cur_ws == TAILQ_FIRST(walk->workspaces))
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return;
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cur_ws = TAILQ_PREV(cur_ws, ws_head, tailq);
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break;
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case 5:
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/* Mouse wheel down. We select the next ws, if any.
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* If there is no more workspace, don’t even send the workspace
|
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* command, otherwise (with workspace auto_back_and_forth) we’d end
|
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* up on the wrong workspace. */
|
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if (cur_ws == TAILQ_LAST(walk->workspaces, ws_head))
|
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return;
|
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|
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cur_ws = TAILQ_NEXT(cur_ws, tailq);
|
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break;
|
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case 1:
|
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/* Check if this event regards a workspace button */
|
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TAILQ_FOREACH (cur_ws, walk->workspaces, tailq) {
|
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DLOG("x = %d\n", x);
|
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if (x >= 0 && x < cur_ws->name_width + logical_px(10)) {
|
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break;
|
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}
|
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x -= cur_ws->name_width + logical_px(11);
|
||
}
|
||
|
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/* Otherwise, focus our currently visible workspace if it is not
|
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* already focused */
|
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if (cur_ws == NULL) {
|
||
TAILQ_FOREACH (cur_ws, walk->workspaces, tailq) {
|
||
if (cur_ws->visible && !cur_ws->focused)
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* if there is nothing to focus, we are done */
|
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if (cur_ws == NULL)
|
||
return;
|
||
|
||
break;
|
||
default:
|
||
return;
|
||
}
|
||
|
||
/* To properly handle workspace names with double quotes in them, we need
|
||
* to escape the double quotes. Unfortunately, that’s 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;
|
||
const char *utf8_name = cur_ws->canonical_name;
|
||
for (const char *walk = utf8_name; *walk != '\0'; walk++) {
|
||
if (*walk == '"')
|
||
num_quotes++;
|
||
/* While we’re 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 \""));
|
||
size_t inpos, outpos;
|
||
for (inpos = 0, outpos = strlen("workspace \"");
|
||
inpos < namelen;
|
||
inpos++, outpos++) {
|
||
if (utf8_name[inpos] == '"') {
|
||
buffer[outpos] = '\\';
|
||
outpos++;
|
||
}
|
||
buffer[outpos] = utf8_name[inpos];
|
||
}
|
||
buffer[outpos] = '"';
|
||
i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, buffer);
|
||
free(buffer);
|
||
}
|
||
|
||
/*
|
||
* Adjusts the size of the tray window and alignment of the tray clients by
|
||
* configuring their respective x coordinates. To be called when mapping or
|
||
* unmapping a tray client window.
|
||
*
|
||
*/
|
||
static void configure_trayclients(void) {
|
||
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 + logical_px(2))));
|
||
uint32_t x = output->rect.w - (clients * (font.height + logical_px(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 &&
|
||
config.tray_output &&
|
||
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 */
|
||
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);
|
||
|
||
trayclient *tc = smalloc(sizeof(trayclient));
|
||
tc->win = client;
|
||
tc->xe_version = xe_version;
|
||
tc->mapped = false;
|
||
TAILQ_INSERT_TAIL(output->trayclients, tc, tailq);
|
||
|
||
if (map_it) {
|
||
DLOG("Mapping dock client\n");
|
||
xcb_map_window(xcb_connection, client);
|
||
} else {
|
||
DLOG("Not mapping dock client yet\n");
|
||
}
|
||
/* Trigger an update to copy the statusline text to the appropriate
|
||
* position */
|
||
configure_trayclients();
|
||
draw_bars(false);
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Handles DestroyNotify events by removing the tray client from the data
|
||
* structure. According to the XEmbed protocol, this is one way for a tray
|
||
* client to finish the protocol. After this event is received, there is no
|
||
* further interaction with the tray client.
|
||
*
|
||
* See: http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
|
||
*
|
||
*/
|
||
static void handle_destroy_notify(xcb_destroy_notify_event_t *event) {
|
||
DLOG("DestroyNotify 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(false);
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Handles MapNotify events. These events happen when a tray client shows its
|
||
* window. We respond by realigning the tray clients.
|
||
*
|
||
*/
|
||
static void handle_map_notify(xcb_map_notify_event_t *event) {
|
||
DLOG("MapNotify 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("Tray client mapped (window ID %08x). Adjusting tray.\n", event->window);
|
||
trayclient->mapped = true;
|
||
|
||
/* Trigger an update, we now have more space for the statusline */
|
||
configure_trayclients();
|
||
draw_bars(false);
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
/*
|
||
* Handles UnmapNotify events. These events happen when a tray client hides its
|
||
* window. We respond by realigning the tray clients.
|
||
*
|
||
*/
|
||
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("Tray client unmapped (window ID %08x). Adjusting tray.\n", event->window);
|
||
trayclient->mapped = false;
|
||
|
||
/* Trigger an update, we now have more space for the statusline */
|
||
configure_trayclients();
|
||
draw_bars(false);
|
||
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);
|
||
} else if (!trayclient->mapped && map_it) {
|
||
/* need to map the window */
|
||
xcb_map_window(xcb_connection, trayclient->win);
|
||
}
|
||
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");
|
||
}
|
||
|
||
/*
|
||
* This function is called immediately before the main loop locks. We flush xcb
|
||
* then (and only then)
|
||
*
|
||
*/
|
||
void xcb_prep_cb(struct ev_loop *loop, ev_prepare *watcher, int revents) {
|
||
xcb_flush(xcb_connection);
|
||
}
|
||
|
||
/*
|
||
* This function is called immediately after the main loop locks, so when one
|
||
* of the watchers registered an event.
|
||
* We check whether an X-Event arrived and handle it.
|
||
*
|
||
*/
|
||
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_DESTROY_NOTIFY:
|
||
/* DestroyNotify signifies the end of the XEmbed protocol */
|
||
handle_destroy_notify((xcb_destroy_notify_event_t *)event);
|
||
break;
|
||
case XCB_UNMAP_NOTIFY:
|
||
/* UnmapNotify is received when a tray client hides its window. */
|
||
handle_unmap_notify((xcb_unmap_notify_event_t *)event);
|
||
break;
|
||
case XCB_MAP_NOTIFY:
|
||
handle_map_notify((xcb_map_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);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* 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) {
|
||
}
|
||
|
||
/*
|
||
* 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;
|
||
|
||
DLOG("Got XKB-Event!\n");
|
||
|
||
while (XPending(xkb_dpy)) {
|
||
XNextEvent(xkb_dpy, (XEvent *)&ev);
|
||
|
||
if (ev.type != xkb_event_base) {
|
||
ELOG("No Xkb-Event!\n");
|
||
continue;
|
||
}
|
||
|
||
if (ev.any.xkb_type != XkbStateNotify) {
|
||
ELOG("No State Notify!\n");
|
||
continue;
|
||
}
|
||
|
||
unsigned int mods = ev.state.mods;
|
||
modstate = mods & config.modifier;
|
||
}
|
||
|
||
#define DLOGMOD(modmask, status) \
|
||
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; \
|
||
} \
|
||
} while (0)
|
||
|
||
if (modstate != mod_pressed) {
|
||
if (modstate == 0) {
|
||
DLOGMOD(config.modifier, released);
|
||
if (!activated_mode)
|
||
hide_bars();
|
||
} else {
|
||
DLOGMOD(config.modifier, pressed);
|
||
activated_mode = false;
|
||
unhide_bars();
|
||
}
|
||
mod_pressed = modstate;
|
||
}
|
||
|
||
#undef DLOGMOD
|
||
}
|
||
|
||
/*
|
||
* Early initialization of the connection to X11: Everything which does not
|
||
* depend on 'config'.
|
||
*
|
||
*/
|
||
char *init_xcb_early() {
|
||
/* FIXME: xcb_connect leaks Memory */
|
||
xcb_connection = xcb_connect(NULL, &screen);
|
||
if (xcb_connection_has_error(xcb_connection)) {
|
||
ELOG("Cannot open display\n");
|
||
exit(EXIT_FAILURE);
|
||
}
|
||
conn = xcb_connection;
|
||
DLOG("Connected to xcb\n");
|
||
|
||
/* We have to request the atoms we need */
|
||
#define ATOM_DO(name) atom_cookies[name] = xcb_intern_atom(xcb_connection, 0, strlen(#name), #name);
|
||
#include "xcb_atoms.def"
|
||
|
||
root_screen = xcb_aux_get_screen(xcb_connection, screen);
|
||
xcb_root = root_screen->root;
|
||
|
||
/* 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,
|
||
root_screen->root_depth,
|
||
statusline_pm,
|
||
xcb_root,
|
||
root_screen->width_in_pixels,
|
||
root_screen->height_in_pixels);
|
||
|
||
/* The various Watchers to communicate with xcb */
|
||
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);
|
||
|
||
/* Now we get the atoms and save them in a nice data structure */
|
||
get_atoms();
|
||
|
||
char *path = root_atom_contents("I3_SOCKET_PATH", xcb_connection, screen);
|
||
|
||
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;
|
||
}
|
||
|
||
/*
|
||
* Register for xkb keyevents. 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.
|
||
*
|
||
*/
|
||
void register_xkb_keyevents() {
|
||
if (xkb_dpy == NULL) {
|
||
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);
|
||
}
|
||
|
||
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);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Deregister from xkb keyevents.
|
||
*
|
||
*/
|
||
void deregister_xkb_keyevents() {
|
||
if (xkb_dpy != NULL) {
|
||
ev_io_stop(main_loop, xkb_io);
|
||
XCloseDisplay(xkb_dpy);
|
||
close(xkb_io->fd);
|
||
FREE(xkb_io);
|
||
xkb_dpy = NULL;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* 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);
|
||
bar_height = font.height + logical_px(6);
|
||
|
||
xcb_flush(xcb_connection);
|
||
|
||
if (config.hide_on_modifier == M_HIDE)
|
||
register_xkb_keyevents();
|
||
}
|
||
|
||
/*
|
||
* Inform clients waiting for a new _NET_SYSTEM_TRAY that we took the
|
||
* selection.
|
||
*
|
||
*/
|
||
static void send_tray_clientmessage(void) {
|
||
uint8_t buffer[32] = {0};
|
||
xcb_client_message_event_t *ev = (xcb_client_message_event_t *)buffer;
|
||
|
||
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 *)buffer);
|
||
}
|
||
|
||
/*
|
||
* 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(void) {
|
||
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;
|
||
if (tray_reply == NULL)
|
||
tray_cookie = xcb_intern_atom(xcb_connection, 0, strlen(atomname), atomname);
|
||
|
||
/* tray support: we need a window to own the selection */
|
||
selwin = xcb_generate_id(xcb_connection);
|
||
uint32_t selmask = XCB_CW_OVERRIDE_REDIRECT;
|
||
uint32_t selval[] = {1};
|
||
xcb_create_window(xcb_connection,
|
||
root_screen->root_depth,
|
||
selwin,
|
||
xcb_root,
|
||
-1, -1,
|
||
1, 1,
|
||
0,
|
||
XCB_WINDOW_CLASS_INPUT_OUTPUT,
|
||
root_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],
|
||
XCB_ATOM_CARDINAL,
|
||
32,
|
||
1,
|
||
&orientation);
|
||
|
||
init_tray_colors();
|
||
|
||
if (tray_reply == NULL) {
|
||
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 can’t provide tray
|
||
* functionality */
|
||
free(selreply);
|
||
return;
|
||
}
|
||
|
||
send_tray_clientmessage();
|
||
}
|
||
|
||
/*
|
||
* We need to set the _NET_SYSTEM_TRAY_COLORS atom on the tray selection window
|
||
* to make GTK+ 3 applets with Symbolic Icons visible. If the colors are unset,
|
||
* they assume a light background.
|
||
* See also https://bugzilla.gnome.org/show_bug.cgi?id=679591
|
||
*
|
||
*/
|
||
void init_tray_colors(void) {
|
||
/* Convert colors.bar_fg (#rrggbb) to 16-bit RGB */
|
||
const char *bar_fg = (config.colors.bar_fg ? config.colors.bar_fg : "#FFFFFF");
|
||
|
||
DLOG("Setting bar_fg = %s as _NET_SYSTEM_TRAY_COLORS\n", bar_fg);
|
||
|
||
char strgroups[3][3] = {{bar_fg[1], bar_fg[2], '\0'},
|
||
{bar_fg[3], bar_fg[4], '\0'},
|
||
{bar_fg[5], bar_fg[6], '\0'}};
|
||
const uint8_t r = strtol(strgroups[0], NULL, 16);
|
||
const uint8_t g = strtol(strgroups[1], NULL, 16);
|
||
const uint8_t b = strtol(strgroups[2], NULL, 16);
|
||
|
||
const uint16_t r16 = ((uint16_t)r << 8) | r;
|
||
const uint16_t g16 = ((uint16_t)g << 8) | g;
|
||
const uint16_t b16 = ((uint16_t)b << 8) | b;
|
||
|
||
const uint32_t tray_colors[12] = {
|
||
r16, g16, b16, /* foreground color */
|
||
r16, g16, b16, /* error color */
|
||
r16, g16, b16, /* warning color */
|
||
r16, g16, b16, /* success color */
|
||
};
|
||
|
||
xcb_change_property(xcb_connection,
|
||
XCB_PROP_MODE_REPLACE,
|
||
selwin,
|
||
atoms[_NET_SYSTEM_TRAY_COLORS],
|
||
XCB_ATOM_CARDINAL,
|
||
32,
|
||
12,
|
||
tray_colors);
|
||
}
|
||
|
||
/*
|
||
* Cleanup the xcb-stuff.
|
||
* Called once, before the program terminates.
|
||
*
|
||
*/
|
||
void clean_xcb(void) {
|
||
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);
|
||
}
|
||
FREE_SLIST(outputs, i3_output);
|
||
FREE(outputs);
|
||
|
||
xcb_flush(xcb_connection);
|
||
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);
|
||
}
|
||
|
||
/*
|
||
* Get the earlier requested atoms and save them in the prepared data structure
|
||
*
|
||
*/
|
||
void get_atoms(void) {
|
||
xcb_intern_atom_reply_t *reply;
|
||
#define ATOM_DO(name) \
|
||
reply = xcb_intern_atom_reply(xcb_connection, atom_cookies[name], NULL); \
|
||
if (reply == NULL) { \
|
||
ELOG("Could not get atom %s\n", #name); \
|
||
exit(EXIT_FAILURE); \
|
||
} \
|
||
atoms[name] = reply->atom; \
|
||
free(reply);
|
||
|
||
#include "xcb_atoms.def"
|
||
DLOG("Got Atoms\n");
|
||
}
|
||
|
||
/*
|
||
* 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.
|
||
*
|
||
*/
|
||
void kick_tray_clients(i3_output *output) {
|
||
if (TAILQ_EMPTY(output->trayclients))
|
||
return;
|
||
|
||
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);
|
||
}
|
||
|
||
/* Fake a DestroyNotify so that Qt re-adds tray icons.
|
||
* We cannot actually destroy the window because then Qt will not restore
|
||
* its event mask on the new window. */
|
||
uint8_t buffer[32] = {0};
|
||
xcb_destroy_notify_event_t *event = (xcb_destroy_notify_event_t *)buffer;
|
||
|
||
event->response_type = XCB_DESTROY_NOTIFY;
|
||
event->event = selwin;
|
||
event->window = selwin;
|
||
|
||
xcb_send_event(conn, false, selwin, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (char *)event);
|
||
|
||
send_tray_clientmessage();
|
||
}
|
||
|
||
/*
|
||
* 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);
|
||
xcb_destroy_window(xcb_connection, output->bar);
|
||
output->bar = XCB_NONE;
|
||
}
|
||
|
||
/*
|
||
* Reallocate the statusline-buffer
|
||
*
|
||
*/
|
||
void realloc_sl_buffer(void) {
|
||
DLOG("Re-allocating statusline-buffer, statusline_width = %d, root_screen->width_in_pixels = %d\n",
|
||
statusline_width, root_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,
|
||
root_screen->root_depth,
|
||
statusline_pm,
|
||
xcb_root,
|
||
MAX(root_screen->width_in_pixels, statusline_width),
|
||
bar_height);
|
||
|
||
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;
|
||
xcb_free_gc(xcb_connection, statusline_ctx);
|
||
statusline_ctx = xcb_generate_id(xcb_connection);
|
||
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);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Reconfigure all bars and create new bars for recently activated outputs
|
||
*
|
||
*/
|
||
void reconfig_windows(bool redraw_bars) {
|
||
uint32_t mask;
|
||
uint32_t values[5];
|
||
static bool tray_configured = false;
|
||
|
||
i3_output *walk;
|
||
SLIST_FOREACH (walk, outputs, slist) {
|
||
if (!walk->active) {
|
||
/* If an output is not active, we destroy its bar */
|
||
/* FIXME: Maybe we rather want to unmap? */
|
||
DLOG("Destroying window for output %s\n", walk->name);
|
||
destroy_window(walk);
|
||
continue;
|
||
}
|
||
if (walk->bar == XCB_NONE) {
|
||
DLOG("Creating Window for output %s\n", walk->name);
|
||
|
||
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;
|
||
/* Black background */
|
||
values[0] = colors.bar_bg;
|
||
/* If hide_on_modifier is set to hide or invisible mode, i3 is not supposed to manage our bar-windows */
|
||
values[1] = (config.hide_on_modifier == M_DOCK ? 0 : 1);
|
||
/* 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,
|
||
root_screen->root_depth,
|
||
walk->bar,
|
||
xcb_root,
|
||
walk->rect.x, walk->rect.y + walk->rect.h - bar_height,
|
||
walk->rect.w, bar_height,
|
||
0,
|
||
XCB_WINDOW_CLASS_INPUT_OUTPUT,
|
||
root_screen->root_visual,
|
||
mask,
|
||
values);
|
||
|
||
/* The double-buffer we use to render stuff off-screen */
|
||
xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
|
||
root_screen->root_depth,
|
||
walk->buffer,
|
||
walk->bar,
|
||
walk->rect.w,
|
||
bar_height);
|
||
|
||
/* 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);
|
||
|
||
/* We want dock-windows (for now). When override_redirect is set, i3 is ignoring
|
||
* this one */
|
||
xcb_void_cookie_t dock_cookie = xcb_change_property(xcb_connection,
|
||
XCB_PROP_MODE_REPLACE,
|
||
walk->bar,
|
||
atoms[_NET_WM_WINDOW_TYPE],
|
||
XCB_ATOM_ATOM,
|
||
32,
|
||
1,
|
||
(unsigned char *)&atoms[_NET_WM_WINDOW_TYPE_DOCK]);
|
||
|
||
/* 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;
|
||
memset(&strut_partial, 0, sizeof(strut_partial));
|
||
|
||
switch (config.position) {
|
||
case POS_NONE:
|
||
break;
|
||
case POS_TOP:
|
||
strut_partial.top = bar_height;
|
||
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 = bar_height;
|
||
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);
|
||
|
||
/* 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 == M_DOCK) {
|
||
map_cookie = xcb_map_window_checked(xcb_connection, walk->bar);
|
||
}
|
||
|
||
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") ||
|
||
xcb_request_failed(class_cookie, "Could not set WM_CLASS") ||
|
||
xcb_request_failed(name_cookie, "Could not set WM_NAME") ||
|
||
xcb_request_failed(strut_cookie, "Could not set strut") ||
|
||
xcb_request_failed(gc_cookie, "Could not create graphical context") ||
|
||
((config.hide_on_modifier == M_DOCK) && xcb_request_failed(map_cookie, "Could not map window"))) {
|
||
exit(EXIT_FAILURE);
|
||
}
|
||
|
||
const char *tray_output = (config.tray_output ? config.tray_output : SLIST_FIRST(outputs)->name);
|
||
if (!tray_configured && strcasecmp(tray_output, "none") != 0) {
|
||
/* Configuration sanity check: ensure this i3bar instance handles the output on
|
||
* which the tray should appear (e.g. don’t initialize a tray if tray_output ==
|
||
* VGA-1 but output == [HDMI-1]).
|
||
*/
|
||
i3_output *output;
|
||
SLIST_FOREACH (output, outputs, slist) {
|
||
if (strcasecmp(output->name, tray_output) == 0 ||
|
||
(strcasecmp(tray_output, "primary") == 0 && output->primary)) {
|
||
init_tray();
|
||
break;
|
||
}
|
||
}
|
||
tray_configured = true;
|
||
}
|
||
} else {
|
||
/* We already have a bar, so we just reconfigure it */
|
||
mask = XCB_CONFIG_WINDOW_X |
|
||
XCB_CONFIG_WINDOW_Y |
|
||
XCB_CONFIG_WINDOW_WIDTH |
|
||
XCB_CONFIG_WINDOW_HEIGHT |
|
||
XCB_CONFIG_WINDOW_STACK_MODE;
|
||
values[0] = walk->rect.x;
|
||
values[1] = walk->rect.y + walk->rect.h - bar_height;
|
||
values[2] = walk->rect.w;
|
||
values[3] = bar_height;
|
||
values[4] = XCB_STACK_MODE_ABOVE;
|
||
|
||
DLOG("Destroying buffer for output %s\n", 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);
|
||
|
||
mask = XCB_CW_OVERRIDE_REDIRECT;
|
||
values[0] = (config.hide_on_modifier == M_DOCK ? 0 : 1);
|
||
DLOG("Changing Window attribute override_redirect for output %s to %d\n", walk->name, values[0]);
|
||
xcb_void_cookie_t chg_cookie = xcb_change_window_attributes(xcb_connection,
|
||
walk->bar,
|
||
mask,
|
||
values);
|
||
|
||
DLOG("Recreating buffer for output %s\n", walk->name);
|
||
xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
|
||
root_screen->root_depth,
|
||
walk->buffer,
|
||
walk->bar,
|
||
walk->rect.w,
|
||
bar_height);
|
||
|
||
xcb_void_cookie_t map_cookie, umap_cookie;
|
||
if (redraw_bars) {
|
||
/* Unmap the window, and draw it again when in dock mode */
|
||
umap_cookie = xcb_unmap_window_checked(xcb_connection, walk->bar);
|
||
if (config.hide_on_modifier == M_DOCK) {
|
||
cont_child();
|
||
map_cookie = xcb_map_window_checked(xcb_connection, walk->bar);
|
||
} else {
|
||
stop_child();
|
||
}
|
||
|
||
if (config.hide_on_modifier == M_HIDE) {
|
||
/* Switching to hide mode, register for keyevents */
|
||
register_xkb_keyevents();
|
||
} else {
|
||
/* Switching to dock/invisible mode, deregister from keyevents */
|
||
deregister_xkb_keyevents();
|
||
}
|
||
}
|
||
|
||
if (xcb_request_failed(cfg_cookie, "Could not reconfigure window") ||
|
||
xcb_request_failed(chg_cookie, "Could not change window") ||
|
||
xcb_request_failed(pm_cookie, "Could not create pixmap") ||
|
||
(redraw_bars && (xcb_request_failed(umap_cookie, "Could not unmap window") ||
|
||
(config.hide_on_modifier == M_DOCK && xcb_request_failed(map_cookie, "Could not map window"))))) {
|
||
exit(EXIT_FAILURE);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Render the bars, with buttons and statusline
|
||
*
|
||
*/
|
||
void draw_bars(bool unhide) {
|
||
DLOG("Drawing Bars...\n");
|
||
int i = 0;
|
||
|
||
refresh_statusline();
|
||
|
||
i3_output *outputs_walk;
|
||
SLIST_FOREACH (outputs_walk, outputs, slist) {
|
||
if (!outputs_walk->active) {
|
||
DLOG("Output %s inactive, skipping...\n", outputs_walk->name);
|
||
continue;
|
||
}
|
||
if (outputs_walk->bar == XCB_NONE) {
|
||
/* Oh shit, an active output without an own bar. Create it now! */
|
||
reconfig_windows(false);
|
||
}
|
||
/* First things first: clear the backbuffer */
|
||
uint32_t color = colors.bar_bg;
|
||
xcb_change_gc(xcb_connection,
|
||
outputs_walk->bargc,
|
||
XCB_GC_FOREGROUND,
|
||
&color);
|
||
xcb_rectangle_t rect = {0, 0, outputs_walk->rect.w, bar_height};
|
||
xcb_poly_fill_rectangle(xcb_connection,
|
||
outputs_walk->buffer,
|
||
outputs_walk->bargc,
|
||
1,
|
||
&rect);
|
||
|
||
if (!TAILQ_EMPTY(&statusline_head)) {
|
||
DLOG("Printing statusline!\n");
|
||
|
||
/* 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, (int)statusline_width), font.height + 2);
|
||
}
|
||
|
||
if (!config.disable_ws) {
|
||
i3_ws *ws_walk;
|
||
TAILQ_FOREACH (ws_walk, outputs_walk->workspaces, tailq) {
|
||
DLOG("Drawing Button for WS %s at x = %d, len = %d\n",
|
||
i3string_as_utf8(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;
|
||
if (ws_walk->visible) {
|
||
if (!ws_walk->focused) {
|
||
fg_color = colors.active_ws_fg;
|
||
bg_color = colors.active_ws_bg;
|
||
border_color = colors.active_ws_border;
|
||
} else {
|
||
fg_color = colors.focus_ws_fg;
|
||
bg_color = colors.focus_ws_bg;
|
||
border_color = colors.focus_ws_border;
|
||
}
|
||
}
|
||
if (ws_walk->urgent) {
|
||
DLOG("WS %s is urgent!\n", i3string_as_utf8(ws_walk->name));
|
||
fg_color = colors.urgent_ws_fg;
|
||
bg_color = colors.urgent_ws_bg;
|
||
border_color = colors.urgent_ws_border;
|
||
unhide = true;
|
||
}
|
||
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,
|
||
logical_px(1),
|
||
ws_walk->name_width + logical_px(10),
|
||
font.height + logical_px(4)};
|
||
xcb_poly_fill_rectangle(xcb_connection,
|
||
outputs_walk->buffer,
|
||
outputs_walk->bargc,
|
||
1,
|
||
&rect_border);
|
||
uint32_t vals[] = {bg_color, bg_color};
|
||
xcb_change_gc(xcb_connection,
|
||
outputs_walk->bargc,
|
||
mask,
|
||
vals);
|
||
xcb_rectangle_t rect = {i + logical_px(1),
|
||
2 * logical_px(1),
|
||
ws_walk->name_width + logical_px(8),
|
||
font.height + logical_px(2)};
|
||
xcb_poly_fill_rectangle(xcb_connection,
|
||
outputs_walk->buffer,
|
||
outputs_walk->bargc,
|
||
1,
|
||
&rect);
|
||
set_font_colors(outputs_walk->bargc, fg_color, bg_color);
|
||
draw_text(ws_walk->name, outputs_walk->buffer, outputs_walk->bargc,
|
||
i + logical_px(5), 3 * logical_px(1), ws_walk->name_width);
|
||
i += logical_px(10) + ws_walk->name_width + logical_px(1);
|
||
}
|
||
}
|
||
|
||
if (binding.name && !config.disable_binding_mode_indicator) {
|
||
uint32_t fg_color = colors.urgent_ws_fg;
|
||
uint32_t bg_color = colors.urgent_ws_bg;
|
||
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
|
||
|
||
uint32_t vals_border[] = {colors.urgent_ws_border, colors.urgent_ws_border};
|
||
xcb_change_gc(xcb_connection,
|
||
outputs_walk->bargc,
|
||
mask,
|
||
vals_border);
|
||
xcb_rectangle_t rect_border = {i, 1, binding.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};
|
||
xcb_change_gc(xcb_connection,
|
||
outputs_walk->bargc,
|
||
mask,
|
||
vals);
|
||
xcb_rectangle_t rect = {i + 1, 2, binding.width + 8, font.height + 2};
|
||
xcb_poly_fill_rectangle(xcb_connection,
|
||
outputs_walk->buffer,
|
||
outputs_walk->bargc,
|
||
1,
|
||
&rect);
|
||
|
||
set_font_colors(outputs_walk->bargc, fg_color, bg_color);
|
||
draw_text(binding.name, outputs_walk->buffer, outputs_walk->bargc, i + 5, 3, binding.width);
|
||
|
||
unhide = true;
|
||
}
|
||
|
||
i = 0;
|
||
}
|
||
|
||
/* Assure the bar is hidden/unhidden according to the specified hidden_state and mode */
|
||
if (mod_pressed ||
|
||
config.hidden_state == S_SHOW ||
|
||
unhide) {
|
||
unhide_bars();
|
||
} else if (config.hide_on_modifier == M_HIDE) {
|
||
hide_bars();
|
||
}
|
||
|
||
redraw_bars();
|
||
}
|
||
|
||
/*
|
||
* Redraw the bars, i.e. simply copy the buffer to the barwindow
|
||
*
|
||
*/
|
||
void redraw_bars(void) {
|
||
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);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Set the current binding mode
|
||
*
|
||
*/
|
||
void set_current_mode(struct mode *current) {
|
||
I3STRING_FREE(binding.name);
|
||
binding = *current;
|
||
activated_mode = binding.name != NULL;
|
||
return;
|
||
}
|