2110 lines
80 KiB
C
2110 lines
80 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 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 "common.h"
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#include <xcb/xcb.h>
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#include <xcb/xkb.h>
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#include <xcb/xproto.h>
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#include <xcb/xcb_aux.h>
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#include <xcb/xcb_cursor.h>
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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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#ifdef I3_ASAN_ENABLED
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#include <sanitizer/lsan_interface.h>
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#endif
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#include "libi3.h"
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/** This is the equivalent of XC_left_ptr. I’m not sure why xcb doesn’t have a
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* constant for that. */
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#define XCB_CURSOR_LEFT_PTR 68
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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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static xcb_cursor_t cursor;
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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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/* Icon size (based on font size) */
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int icon_size;
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xcb_visualtype_t *visual_type;
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uint8_t depth;
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xcb_colormap_t colormap;
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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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int xkb_base;
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int mod_pressed = 0;
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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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color_t bar_fg;
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color_t bar_bg;
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color_t sep_fg;
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color_t focus_bar_fg;
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color_t focus_bar_bg;
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color_t focus_sep_fg;
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color_t active_ws_fg;
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color_t active_ws_bg;
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color_t active_ws_border;
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color_t inactive_ws_fg;
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color_t inactive_ws_bg;
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color_t inactive_ws_border;
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color_t urgent_ws_bg;
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color_t urgent_ws_fg;
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color_t urgent_ws_border;
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color_t focus_ws_bg;
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color_t focus_ws_fg;
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color_t focus_ws_border;
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color_t binding_mode_bg;
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color_t binding_mode_fg;
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color_t binding_mode_border;
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};
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struct xcb_colors_t colors;
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/* Horizontal offset between a workspace label and button borders */
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static const int ws_hoff_px = 4;
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/* Vertical offset between a workspace label and button borders */
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static const int ws_voff_px = 3;
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/* Offset between two workspace buttons */
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static const int ws_spacing_px = 1;
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/* Offset between the statusline and 1) workspace buttons on the left
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* 2) the tray or screen edge on the right */
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static const int sb_hoff_px = 4;
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/* Additional offset between the tray and the statusline, if the tray is not empty */
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static const int tray_loff_px = 2;
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/* Vertical offset between the bar and a separator */
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static const int sep_voff_px = 4;
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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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uint32_t get_sep_offset(struct status_block *block) {
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if (!block->no_separator && block->sep_block_width > 0)
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return block->sep_block_width / 2 + block->sep_block_width % 2;
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return 0;
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}
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int get_tray_width(struct tc_head *trayclients) {
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trayclient *trayclient;
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int tray_width = 0;
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TAILQ_FOREACH_REVERSE(trayclient, trayclients, tc_head, tailq) {
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if (!trayclient->mapped)
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continue;
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tray_width += icon_size + logical_px(config.tray_padding);
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}
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if (tray_width > 0)
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tray_width += logical_px(tray_loff_px);
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return tray_width;
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}
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/*
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* Draws a separator for the given block if necessary.
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*
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*/
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static void draw_separator(i3_output *output, uint32_t x, struct status_block *block, bool use_focus_colors) {
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color_t sep_fg = (use_focus_colors ? colors.focus_sep_fg : colors.sep_fg);
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color_t bar_bg = (use_focus_colors ? colors.focus_bar_bg : colors.bar_bg);
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uint32_t sep_offset = get_sep_offset(block);
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if (TAILQ_NEXT(block, blocks) == NULL || sep_offset == 0)
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return;
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uint32_t center_x = x - sep_offset;
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if (config.separator_symbol == NULL) {
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/* Draw a classic one pixel, vertical separator. */
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draw_util_rectangle(&output->statusline_buffer, sep_fg,
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center_x,
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logical_px(sep_voff_px),
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logical_px(1),
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bar_height - 2 * logical_px(sep_voff_px));
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} else {
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/* Draw a custom separator. */
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uint32_t separator_x = MAX(x - block->sep_block_width, center_x - separator_symbol_width / 2);
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draw_util_text(config.separator_symbol, &output->statusline_buffer, sep_fg, bar_bg,
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separator_x, logical_px(ws_voff_px), x - separator_x);
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}
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}
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uint32_t predict_statusline_length(bool use_short_text) {
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uint32_t width = 0;
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struct status_block *block;
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TAILQ_FOREACH(block, &statusline_head, blocks) {
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i3String *text = block->full_text;
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struct status_block_render_desc *render = &block->full_render;
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if (use_short_text && block->short_text != NULL) {
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text = block->short_text;
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render = &block->short_render;
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}
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if (i3string_get_num_bytes(text) == 0)
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continue;
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render->width = predict_text_width(text);
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if (block->border)
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render->width += logical_px(2);
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/* Compute offset and append for text aligment in min_width. */
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if (block->min_width <= render->width) {
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render->x_offset = 0;
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render->x_append = 0;
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} else {
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uint32_t padding_width = block->min_width - render->width;
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switch (block->align) {
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case ALIGN_LEFT:
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render->x_append = padding_width;
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break;
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case ALIGN_RIGHT:
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render->x_offset = padding_width;
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break;
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case ALIGN_CENTER:
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render->x_offset = padding_width / 2;
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render->x_append = padding_width / 2 + padding_width % 2;
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break;
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}
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}
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width += render->width + render->x_offset + render->x_append;
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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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width += block->sep_block_width;
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}
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return width;
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}
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/*
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* Redraws the statusline to the output's statusline_buffer
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*/
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void draw_statusline(i3_output *output, uint32_t clip_left, bool use_focus_colors, bool use_short_text) {
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struct status_block *block;
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color_t bar_color = (use_focus_colors ? colors.focus_bar_bg : colors.bar_bg);
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draw_util_clear_surface(&output->statusline_buffer, bar_color);
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/* Use unsigned integer wraparound to clip off the left side.
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* For example, if clip_left is 75, then x will start at the very large
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* number INT_MAX-75, which is way outside the surface dimensions. Drawing
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* to that x position is a no-op which XCB and Cairo safely ignore. Once x moves
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* up by 75 and goes past INT_MAX, it will wrap around again to 0, and we start
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* actually rendering content to the surface. */
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uint32_t x = 0 - clip_left;
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/* Draw the text of each block */
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TAILQ_FOREACH(block, &statusline_head, blocks) {
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i3String *text = block->full_text;
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struct status_block_render_desc *render = &block->full_render;
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if (use_short_text && block->short_text != NULL) {
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text = block->short_text;
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render = &block->short_render;
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}
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if (i3string_get_num_bytes(text) == 0)
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continue;
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color_t fg_color;
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if (block->urgent) {
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fg_color = colors.urgent_ws_fg;
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} else if (block->color) {
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fg_color = draw_util_hex_to_color(block->color);
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} else if (use_focus_colors) {
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fg_color = colors.focus_bar_fg;
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} else {
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fg_color = colors.bar_fg;
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}
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color_t bg_color = bar_color;
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int border_width = (block->border) ? logical_px(1) : 0;
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int full_render_width = render->width + render->x_offset + render->x_append;
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if (block->border || block->background || block->urgent) {
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/* Let's determine the colors first. */
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color_t border_color = bar_color;
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if (block->urgent) {
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border_color = colors.urgent_ws_border;
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bg_color = colors.urgent_ws_bg;
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} else {
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if (block->border)
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border_color = draw_util_hex_to_color(block->border);
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if (block->background)
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bg_color = draw_util_hex_to_color(block->background);
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}
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/* Draw the border. */
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draw_util_rectangle(&output->statusline_buffer, border_color,
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x, logical_px(1),
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full_render_width,
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bar_height - logical_px(2));
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/* Draw the background. */
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draw_util_rectangle(&output->statusline_buffer, bg_color,
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x + border_width,
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logical_px(1) + border_width,
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full_render_width - 2 * border_width,
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bar_height - 2 * border_width - logical_px(2));
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}
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draw_util_text(text, &output->statusline_buffer, fg_color, bg_color,
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x + render->x_offset + border_width, logical_px(ws_voff_px),
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render->width - 2 * border_width);
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x += full_render_width;
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/* If this is not the last block, draw a separator. */
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if (TAILQ_NEXT(block, blocks) != NULL) {
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x += block->sep_block_width;
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draw_separator(output, x, block, use_focus_colors);
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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.id);
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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.id == 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.id,
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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.id);
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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 = draw_util_hex_to_color(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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#define PARSE_COLOR_FALLBACK(name, fallback) \
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do { \
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colors.name = new_colors->name ? draw_util_hex_to_color(new_colors->name) : colors.fallback; \
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} while (0)
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/* For the binding mode indicator colors, we don't hardcode a default.
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* Instead, we fall back to urgent_ws_* colors. */
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PARSE_COLOR_FALLBACK(binding_mode_fg, urgent_ws_fg);
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PARSE_COLOR_FALLBACK(binding_mode_bg, urgent_ws_bg);
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PARSE_COLOR_FALLBACK(binding_mode_border, urgent_ws_border);
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/* Similarly, for unspecified focused bar colors, we fall back to the
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* regular bar colors. */
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PARSE_COLOR_FALLBACK(focus_bar_fg, bar_fg);
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PARSE_COLOR_FALLBACK(focus_bar_bg, bar_bg);
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PARSE_COLOR_FALLBACK(focus_sep_fg, sep_fg);
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#undef PARSE_COLOR_FALLBACK
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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 occurred on a workspace 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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/* 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.id == 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 clicked!\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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DLOG("Got button %d\n", event->detail);
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int workspace_width = 0;
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i3_ws *cur_ws = NULL, *clicked_ws = NULL, *ws_walk;
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TAILQ_FOREACH(ws_walk, walk->workspaces, tailq) {
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int w = 2 * logical_px(ws_hoff_px) + 2 * logical_px(1) + ws_walk->name_width;
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if (x >= workspace_width && x <= workspace_width + w)
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clicked_ws = ws_walk;
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if (ws_walk->visible)
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cur_ws = ws_walk;
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workspace_width += w;
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if (TAILQ_NEXT(ws_walk, tailq) != NULL)
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workspace_width += logical_px(ws_spacing_px);
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}
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if (x > workspace_width && 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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int tray_width = get_tray_width(walk->trayclients);
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int block_x = 0, last_block_x;
|
||
int offset = walk->rect.w - walk->statusline_width - tray_width - logical_px(sb_hoff_px);
|
||
int32_t statusline_x = x - offset;
|
||
|
||
if (statusline_x >= 0 && statusline_x < walk->statusline_width) {
|
||
struct status_block *block;
|
||
int sep_offset_remainder = 0;
|
||
|
||
TAILQ_FOREACH(block, &statusline_head, blocks) {
|
||
i3String *text = block->full_text;
|
||
struct status_block_render_desc *render = &block->full_render;
|
||
if (walk->statusline_short_text && block->short_text != NULL) {
|
||
text = block->short_text;
|
||
render = &block->short_render;
|
||
}
|
||
|
||
if (i3string_get_num_bytes(text) == 0)
|
||
continue;
|
||
|
||
last_block_x = block_x;
|
||
block_x += render->width + render->x_offset + render->x_append + get_sep_offset(block) + sep_offset_remainder;
|
||
|
||
if (statusline_x <= block_x && statusline_x >= last_block_x) {
|
||
send_block_clicked(event->detail, block->name, block->instance, event->root_x, event->root_y);
|
||
return;
|
||
}
|
||
|
||
sep_offset_remainder = block->sep_block_width - get_sep_offset(block);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* If a custom command was specified for this mouse button, it overrides
|
||
* the default behavior. */
|
||
binding_t *binding;
|
||
TAILQ_FOREACH(binding, &(config.bindings), bindings) {
|
||
if (binding->input_code != event->detail)
|
||
continue;
|
||
|
||
i3_send_msg(I3_IPC_MESSAGE_TYPE_RUN_COMMAND, binding->command);
|
||
return;
|
||
}
|
||
|
||
if (cur_ws == NULL) {
|
||
DLOG("No workspace active?\n");
|
||
return;
|
||
}
|
||
switch (event->detail) {
|
||
case XCB_BUTTON_SCROLL_UP:
|
||
case XCB_BUTTON_SCROLL_LEFT:
|
||
/* Mouse wheel up. We select the previous ws, if any.
|
||
* If there is no more workspace, don’t even send the workspace
|
||
* command, otherwise (with workspace auto_back_and_forth) we’d end
|
||
* up on the wrong workspace. */
|
||
if (cur_ws == TAILQ_FIRST(walk->workspaces))
|
||
return;
|
||
|
||
cur_ws = TAILQ_PREV(cur_ws, ws_head, tailq);
|
||
break;
|
||
case XCB_BUTTON_SCROLL_DOWN:
|
||
case XCB_BUTTON_SCROLL_RIGHT:
|
||
/* Mouse wheel down. We select the next ws, if any.
|
||
* If there is no more workspace, don’t even send the workspace
|
||
* command, otherwise (with workspace auto_back_and_forth) we’d end
|
||
* up on the wrong workspace. */
|
||
if (cur_ws == TAILQ_LAST(walk->workspaces, ws_head))
|
||
return;
|
||
|
||
cur_ws = TAILQ_NEXT(cur_ws, tailq);
|
||
break;
|
||
case 1:
|
||
cur_ws = clicked_ws;
|
||
|
||
/* if no workspace was clicked, focus our currently visible
|
||
* workspace if it is not already focused */
|
||
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 */
|
||
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 == '"' || *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, 1);
|
||
strncpy(buffer, "workspace \"", strlen("workspace \""));
|
||
size_t inpos, outpos;
|
||
for (inpos = 0, outpos = strlen("workspace \"");
|
||
inpos < namelen;
|
||
inpos++, outpos++) {
|
||
if (utf8_name[inpos] == '"' || utf8_name[inpos] == '\\') {
|
||
buffer[outpos] = '\\';
|
||
outpos++;
|
||
}
|
||
buffer[outpos] = utf8_name[inpos];
|
||
}
|
||
buffer[outpos] = '"';
|
||
i3_send_msg(I3_IPC_MESSAGE_TYPE_RUN_COMMAND, buffer);
|
||
free(buffer);
|
||
}
|
||
|
||
/*
|
||
* Handle visibility notifications: when none of the bars are visible, e.g.
|
||
* if windows are in fullscreen on each output, suspend the child process.
|
||
*
|
||
*/
|
||
static void handle_visibility_notify(xcb_visibility_notify_event_t *event) {
|
||
bool visible = (event->state != XCB_VISIBILITY_FULLY_OBSCURED);
|
||
int num_visible = 0;
|
||
i3_output *output;
|
||
|
||
SLIST_FOREACH(output, outputs, slist) {
|
||
if (!output->active) {
|
||
continue;
|
||
}
|
||
if (output->bar.id == event->window) {
|
||
if (output->visible == visible) {
|
||
return;
|
||
}
|
||
output->visible = visible;
|
||
}
|
||
num_visible += output->visible;
|
||
}
|
||
|
||
if (num_visible == 0) {
|
||
stop_child();
|
||
} else if (num_visible == visible) {
|
||
/* Wake the child only when transitioning from 0 to 1 visible bar.
|
||
* We cannot transition from 0 to 2 or more visible bars at once since
|
||
* visibility events are delivered to each window separately */
|
||
cont_child();
|
||
}
|
||
}
|
||
|
||
/*
|
||
* 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 * (icon_size + logical_px(config.tray_padding))));
|
||
uint32_t x = output->rect.w - (clients * (icon_size + logical_px(config.tray_padding)));
|
||
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];
|
||
|
||
mask = XCB_CW_EVENT_MASK;
|
||
|
||
/* Needed to get the most recent value of XEMBED_MAPPED. */
|
||
values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE;
|
||
/* Needed for UnmapNotify events. */
|
||
values[0] |= XCB_EVENT_MASK_STRUCTURE_NOTIFY;
|
||
/* Needed because some tray applications (e.g., VLC) use
|
||
* override_redirect which causes no ConfigureRequest to be sent. */
|
||
values[0] |= XCB_EVENT_MASK_RESIZE_REDIRECT;
|
||
|
||
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 *output = NULL;
|
||
i3_output *walk = NULL;
|
||
tray_output_t *tray_output = NULL;
|
||
/* We need to iterate through the tray_output assignments first in
|
||
* order to prioritize them. Otherwise, if this bar manages two
|
||
* outputs and both are assigned as tray_output as well, the first
|
||
* output in our list would receive the tray rather than the first
|
||
* one defined via tray_output. */
|
||
TAILQ_FOREACH(tray_output, &(config.tray_outputs), tray_outputs) {
|
||
SLIST_FOREACH(walk, outputs, slist) {
|
||
if (!walk->active)
|
||
continue;
|
||
|
||
if (strcasecmp(walk->name, tray_output->output) == 0) {
|
||
DLOG("Found tray_output assignment for output %s.\n", walk->name);
|
||
output = walk;
|
||
break;
|
||
}
|
||
|
||
if (walk->primary && strcasecmp("primary", tray_output->output) == 0) {
|
||
DLOG("Found tray_output assignment on primary output %s.\n", walk->name);
|
||
output = walk;
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* If we found an output, we're done. */
|
||
if (output != NULL)
|
||
break;
|
||
}
|
||
|
||
/* If no tray_output has been specified, we fall back to the first
|
||
* available output. */
|
||
if (output == NULL && TAILQ_EMPTY(&(config.tray_outputs))) {
|
||
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_void_cookie_t rcookie = xcb_reparent_window(xcb_connection,
|
||
client,
|
||
output->bar.id,
|
||
output->rect.w - icon_size - logical_px(config.tray_padding),
|
||
logical_px(config.tray_padding));
|
||
if (xcb_request_failed(rcookie, "Could not reparent window. Maybe it is using an incorrect depth/visual?"))
|
||
return;
|
||
|
||
/* 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] = icon_size;
|
||
values[1] = icon_size;
|
||
xcb_configure_window(xcb_connection,
|
||
client,
|
||
mask,
|
||
values);
|
||
|
||
/* send the XEMBED_EMBEDDED_NOTIFY message */
|
||
void *event = scalloc(32, 1);
|
||
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] = XEMBED_EMBEDDED_NOTIFY;
|
||
ev->data.data32[2] = output->bar.id;
|
||
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: https://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);
|
||
FREE(trayclient);
|
||
|
||
/* 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);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* If a tray client attempts to change its size we deny the request and respond
|
||
* by telling it its actual size.
|
||
*
|
||
*/
|
||
static void handle_configuration_change(xcb_window_t 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 != window)
|
||
continue;
|
||
|
||
xcb_rectangle_t rect;
|
||
rect.x = output->rect.w - (clients * (icon_size + logical_px(config.tray_padding)));
|
||
rect.y = logical_px(config.tray_padding);
|
||
rect.width = icon_size;
|
||
rect.height = icon_size;
|
||
|
||
DLOG("This is a tray window. x = %d\n", rect.x);
|
||
fake_configure_notify(xcb_connection, rect, window, 0);
|
||
return;
|
||
}
|
||
}
|
||
|
||
DLOG("WARNING: Could not find corresponding tray window.\n");
|
||
}
|
||
|
||
static void handle_configure_request(xcb_configure_request_event_t *event) {
|
||
DLOG("ConfigureRequest for window = %08x\n", event->window);
|
||
handle_configuration_change(event->window);
|
||
}
|
||
|
||
static void handle_resize_request(xcb_resize_request_event_t *event) {
|
||
DLOG("ResizeRequest for window = %08x\n", event->window);
|
||
handle_configuration_change(event->window);
|
||
}
|
||
|
||
/*
|
||
* 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");
|
||
#ifdef I3_ASAN_ENABLED
|
||
__lsan_do_leak_check();
|
||
#endif
|
||
exit(1);
|
||
}
|
||
|
||
while ((event = xcb_poll_for_event(xcb_connection)) != NULL) {
|
||
if (event->response_type == 0) {
|
||
xcb_generic_error_t *error = (xcb_generic_error_t *)event;
|
||
DLOG("Received X11 error, sequence 0x%x, error_code = %d\n", error->sequence, error->error_code);
|
||
free(event);
|
||
continue;
|
||
}
|
||
|
||
int type = (event->response_type & ~0x80);
|
||
|
||
if (type == xkb_base && xkb_base > -1) {
|
||
DLOG("received an xkb event\n");
|
||
|
||
xcb_xkb_state_notify_event_t *state = (xcb_xkb_state_notify_event_t *)event;
|
||
if (state->xkbType == XCB_XKB_STATE_NOTIFY && config.modifier != XCB_NONE) {
|
||
int modstate = state->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
|
||
}
|
||
|
||
free(event);
|
||
continue;
|
||
}
|
||
|
||
switch (type) {
|
||
case XCB_VISIBILITY_NOTIFY:
|
||
/* Visibility change: a bar is [un]obscured by other window */
|
||
handle_visibility_notify((xcb_visibility_notify_event_t *)event);
|
||
break;
|
||
case XCB_EXPOSE:
|
||
if (((xcb_expose_event_t *)event)->count == 0) {
|
||
/* 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;
|
||
case XCB_RESIZE_REQUEST:
|
||
/* ResizeRequest sent by a tray child using override_redirect. */
|
||
handle_resize_request((xcb_resize_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) {
|
||
}
|
||
|
||
/*
|
||
* 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;
|
||
|
||
depth = root_screen->root_depth;
|
||
colormap = root_screen->default_colormap;
|
||
visual_type = get_visualtype(root_screen);
|
||
|
||
xcb_cursor_context_t *cursor_ctx;
|
||
if (xcb_cursor_context_new(conn, root_screen, &cursor_ctx) == 0) {
|
||
cursor = xcb_cursor_load_cursor(cursor_ctx, "left_ptr");
|
||
xcb_cursor_context_free(cursor_ctx);
|
||
} else {
|
||
cursor = xcb_generate_id(xcb_connection);
|
||
i3Font cursor_font = load_font("cursor", false);
|
||
xcb_create_glyph_cursor(
|
||
xcb_connection,
|
||
cursor,
|
||
cursor_font.specific.xcb.id,
|
||
cursor_font.specific.xcb.id,
|
||
XCB_CURSOR_LEFT_PTR,
|
||
XCB_CURSOR_LEFT_PTR + 1,
|
||
0, 0, 0,
|
||
65535, 65535, 65535);
|
||
}
|
||
|
||
/* 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);
|
||
|
||
/* Within an event loop iteration, run the xcb_chk watcher last: other
|
||
* watchers might call xcb_flush(), which, unexpectedly, can also read
|
||
* events into the queue (see _xcb_conn_wait). Hence, we need to drain xcb’s
|
||
* queue last, otherwise we risk dead-locking. */
|
||
ev_set_priority(xcb_chk, EV_MINPRI);
|
||
|
||
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);
|
||
|
||
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() {
|
||
const xcb_query_extension_reply_t *extreply;
|
||
extreply = xcb_get_extension_data(conn, &xcb_xkb_id);
|
||
if (!extreply->present) {
|
||
ELOG("xkb is not present on this server\n");
|
||
exit(EXIT_FAILURE);
|
||
}
|
||
DLOG("initializing xcb-xkb\n");
|
||
xcb_xkb_use_extension(conn, XCB_XKB_MAJOR_VERSION, XCB_XKB_MINOR_VERSION);
|
||
xcb_xkb_select_events(conn,
|
||
XCB_XKB_ID_USE_CORE_KBD,
|
||
XCB_XKB_EVENT_TYPE_STATE_NOTIFY,
|
||
0,
|
||
XCB_XKB_EVENT_TYPE_STATE_NOTIFY,
|
||
0xff,
|
||
0xff,
|
||
NULL);
|
||
xkb_base = extreply->first_event;
|
||
}
|
||
|
||
/*
|
||
* Deregister from xkb keyevents.
|
||
*
|
||
*/
|
||
void deregister_xkb_keyevents() {
|
||
xcb_xkb_select_events(conn,
|
||
XCB_XKB_ID_USE_CORE_KBD,
|
||
0,
|
||
0,
|
||
0,
|
||
0xff,
|
||
0xff,
|
||
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 + 2 * logical_px(ws_voff_px);
|
||
icon_size = bar_height - 2 * logical_px(config.tray_padding);
|
||
|
||
if (config.separator_symbol)
|
||
separator_symbol_width = predict_text_width(config.separator_symbol);
|
||
|
||
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_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_COLORMAP;
|
||
uint32_t selval[] = {root_screen->black_pixel, root_screen->black_pixel, 1, colormap};
|
||
xcb_create_window(xcb_connection,
|
||
depth,
|
||
selwin,
|
||
xcb_root,
|
||
-1, -1,
|
||
1, 1,
|
||
0,
|
||
XCB_WINDOW_CLASS_INPUT_OUTPUT,
|
||
visual_type->visual_id,
|
||
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);
|
||
xcb_change_property(xcb_connection,
|
||
XCB_PROP_MODE_REPLACE,
|
||
selwin,
|
||
atoms[_NET_SYSTEM_TRAY_VISUAL],
|
||
XCB_ATOM_VISUALID,
|
||
32,
|
||
1,
|
||
&visual_type->visual_id);
|
||
|
||
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;
|
||
}
|
||
|
||
free(selreply);
|
||
|
||
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);
|
||
|
||
free_font();
|
||
|
||
xcb_free_cursor(xcb_connection, cursor);
|
||
xcb_flush(xcb_connection);
|
||
xcb_aux_sync(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);
|
||
FREE(trayclient);
|
||
}
|
||
|
||
/* 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.id == XCB_NONE) {
|
||
return;
|
||
}
|
||
|
||
kick_tray_clients(output);
|
||
xcb_destroy_window(xcb_connection, output->bar.id);
|
||
output->bar.id = XCB_NONE;
|
||
}
|
||
|
||
/* Strut partial tells i3 where to reserve space for i3bar. This is determined
|
||
* by the `position` bar config directive. */
|
||
xcb_void_cookie_t config_strut_partial(i3_output *output) {
|
||
/* 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 = output->rect.x;
|
||
strut_partial.top_end_x = output->rect.x + output->rect.w;
|
||
break;
|
||
case POS_BOT:
|
||
strut_partial.bottom = bar_height;
|
||
strut_partial.bottom_start_x = output->rect.x;
|
||
strut_partial.bottom_end_x = output->rect.x + output->rect.w;
|
||
break;
|
||
}
|
||
return xcb_change_property(xcb_connection,
|
||
XCB_PROP_MODE_REPLACE,
|
||
output->bar.id,
|
||
atoms[_NET_WM_STRUT_PARTIAL],
|
||
XCB_ATOM_CARDINAL,
|
||
32,
|
||
12,
|
||
&strut_partial);
|
||
}
|
||
|
||
/*
|
||
* Reconfigure all bars and create new bars for recently activated outputs
|
||
*
|
||
*/
|
||
void reconfig_windows(bool redraw_bars) {
|
||
uint32_t mask;
|
||
uint32_t values[6];
|
||
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.id == XCB_NONE) {
|
||
DLOG("Creating window for output %s\n", walk->name);
|
||
|
||
xcb_window_t bar_id = xcb_generate_id(xcb_connection);
|
||
xcb_pixmap_t buffer_id = xcb_generate_id(xcb_connection);
|
||
xcb_pixmap_t statusline_buffer_id = xcb_generate_id(xcb_connection);
|
||
mask = XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK | XCB_CW_COLORMAP | XCB_CW_CURSOR;
|
||
|
||
values[0] = colors.bar_bg.colorpixel;
|
||
values[1] = root_screen->black_pixel;
|
||
/* If hide_on_modifier is set to hide or invisible mode, i3 is not supposed to manage our bar windows */
|
||
values[2] = (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[3] = XCB_EVENT_MASK_EXPOSURE |
|
||
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
|
||
XCB_EVENT_MASK_BUTTON_PRESS;
|
||
if (config.hide_on_modifier == M_DOCK) {
|
||
/* If the bar is normally visible, catch visibility change events to suspend
|
||
* the status process when the bar is obscured by full-screened windows. */
|
||
values[3] |= XCB_EVENT_MASK_VISIBILITY_CHANGE;
|
||
walk->visible = true;
|
||
}
|
||
values[4] = colormap;
|
||
values[5] = cursor;
|
||
|
||
xcb_void_cookie_t win_cookie = xcb_create_window_checked(xcb_connection,
|
||
depth,
|
||
bar_id,
|
||
xcb_root,
|
||
walk->rect.x, walk->rect.y + walk->rect.h - bar_height,
|
||
walk->rect.w, bar_height,
|
||
0,
|
||
XCB_WINDOW_CLASS_INPUT_OUTPUT,
|
||
visual_type->visual_id,
|
||
mask,
|
||
values);
|
||
|
||
/* The double-buffer we use to render stuff off-screen */
|
||
xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
|
||
depth,
|
||
buffer_id,
|
||
bar_id,
|
||
walk->rect.w,
|
||
bar_height);
|
||
|
||
/* The double-buffer we use to render the statusline before copying to buffer */
|
||
xcb_void_cookie_t slpm_cookie = xcb_create_pixmap_checked(xcb_connection,
|
||
depth,
|
||
statusline_buffer_id,
|
||
bar_id,
|
||
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,
|
||
bar_id,
|
||
XCB_ATOM_WM_CLASS,
|
||
XCB_ATOM_STRING,
|
||
8,
|
||
(strlen("i3bar") + 1) * 2,
|
||
"i3bar\0i3bar\0");
|
||
|
||
char *name;
|
||
sasprintf(&name, "i3bar for output %s", walk->name);
|
||
xcb_void_cookie_t name_cookie;
|
||
name_cookie = xcb_change_property(xcb_connection,
|
||
XCB_PROP_MODE_REPLACE,
|
||
bar_id,
|
||
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,
|
||
bar_id,
|
||
atoms[_NET_WM_WINDOW_TYPE],
|
||
XCB_ATOM_ATOM,
|
||
32,
|
||
1,
|
||
(unsigned char *)&atoms[_NET_WM_WINDOW_TYPE_DOCK]);
|
||
|
||
draw_util_surface_init(xcb_connection, &walk->bar, bar_id, NULL, walk->rect.w, bar_height);
|
||
draw_util_surface_init(xcb_connection, &walk->buffer, buffer_id, NULL, walk->rect.w, bar_height);
|
||
draw_util_surface_init(xcb_connection, &walk->statusline_buffer, statusline_buffer_id, NULL, walk->rect.w, bar_height);
|
||
|
||
xcb_void_cookie_t strut_cookie = config_strut_partial(walk);
|
||
|
||
/* 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, bar_id);
|
||
}
|
||
|
||
if (xcb_request_failed(win_cookie, "Could not create window") ||
|
||
xcb_request_failed(pm_cookie, "Could not create pixmap") ||
|
||
xcb_request_failed(slpm_cookie, "Could not create statusline 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") ||
|
||
((config.hide_on_modifier == M_DOCK) && xcb_request_failed(map_cookie, "Could not map window"))) {
|
||
exit(EXIT_FAILURE);
|
||
}
|
||
|
||
/* Unless "tray_output none" was specified, we need to initialize the tray. */
|
||
bool no_tray = false;
|
||
if (!(TAILQ_EMPTY(&(config.tray_outputs)))) {
|
||
no_tray = strcasecmp(TAILQ_FIRST(&(config.tray_outputs))->output, "none") == 0;
|
||
}
|
||
|
||
/*
|
||
* There are three scenarios in which we need to initialize the tray:
|
||
* 1. A specific output was listed in tray_outputs which is also
|
||
* in the list of outputs managed by this bar.
|
||
* 2. No tray_output directive was specified. In this case, we
|
||
* use the first available output.
|
||
* 3. 'tray_output primary' was specified. In this case we use the
|
||
* primary output.
|
||
*
|
||
* Three scenarios in which we specifically don't want to
|
||
* initialize the tray are:
|
||
* 1. 'tray_output none' was specified.
|
||
* 2. A specific output was listed as a tray_output, but is not
|
||
* one of the outputs managed by this bar. For example, consider
|
||
* tray_outputs == [VGA-1], but outputs == [HDMI-1].
|
||
* 3. 'tray_output primary' was specified and no output in the list
|
||
* is primary.
|
||
*/
|
||
if (!tray_configured && !no_tray) {
|
||
/* If no tray_output was specified, we go ahead and initialize the tray as
|
||
* we will be using the first available output. */
|
||
if (TAILQ_EMPTY(&(config.tray_outputs))) {
|
||
init_tray();
|
||
}
|
||
|
||
/* If one or more tray_output assignments were specified, we ensure that at least one of
|
||
* them is actually an output managed by this instance. */
|
||
tray_output_t *tray_output;
|
||
TAILQ_FOREACH(tray_output, &(config.tray_outputs), tray_outputs) {
|
||
i3_output *output;
|
||
bool found = false;
|
||
SLIST_FOREACH(output, outputs, slist) {
|
||
if (strcasecmp(output->name, tray_output->output) == 0 ||
|
||
(strcasecmp(tray_output->output, "primary") == 0 && output->primary)) {
|
||
found = true;
|
||
init_tray();
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (found)
|
||
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;
|
||
if (config.position == POS_TOP)
|
||
values[1] = walk->rect.y;
|
||
else
|
||
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("Reconfiguring strut partial property for output %s\n", walk->name);
|
||
xcb_void_cookie_t strut_cookie = config_strut_partial(walk);
|
||
|
||
DLOG("Destroying buffer for output %s\n", walk->name);
|
||
xcb_free_pixmap(xcb_connection, walk->buffer.id);
|
||
|
||
DLOG("Destroying statusline buffer for output %s\n", walk->name);
|
||
xcb_free_pixmap(xcb_connection, walk->statusline_buffer.id);
|
||
|
||
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.id,
|
||
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.id,
|
||
mask,
|
||
values);
|
||
|
||
DLOG("Recreating buffer for output %s\n", walk->name);
|
||
xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
|
||
depth,
|
||
walk->buffer.id,
|
||
walk->bar.id,
|
||
walk->rect.w,
|
||
bar_height);
|
||
|
||
DLOG("Recreating statusline buffer for output %s\n", walk->name);
|
||
xcb_void_cookie_t slpm_cookie = xcb_create_pixmap_checked(xcb_connection,
|
||
depth,
|
||
walk->statusline_buffer.id,
|
||
walk->bar.id,
|
||
walk->rect.w,
|
||
bar_height);
|
||
|
||
draw_util_surface_free(xcb_connection, &(walk->bar));
|
||
draw_util_surface_free(xcb_connection, &(walk->buffer));
|
||
draw_util_surface_free(xcb_connection, &(walk->statusline_buffer));
|
||
draw_util_surface_init(xcb_connection, &(walk->bar), walk->bar.id, NULL, walk->rect.w, bar_height);
|
||
draw_util_surface_init(xcb_connection, &(walk->buffer), walk->buffer.id, NULL, walk->rect.w, bar_height);
|
||
draw_util_surface_init(xcb_connection, &(walk->statusline_buffer), walk->statusline_buffer.id, NULL, 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.id);
|
||
if (config.hide_on_modifier == M_DOCK) {
|
||
cont_child();
|
||
map_cookie = xcb_map_window_checked(xcb_connection, walk->bar.id);
|
||
} 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") ||
|
||
xcb_request_failed(slpm_cookie, "Could not create statusline pixmap") ||
|
||
xcb_request_failed(strut_cookie, "Could not set strut") ||
|
||
(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");
|
||
|
||
uint32_t full_statusline_width = predict_statusline_length(false);
|
||
uint32_t short_statusline_width = predict_statusline_length(true);
|
||
|
||
i3_output *outputs_walk;
|
||
SLIST_FOREACH(outputs_walk, outputs, slist) {
|
||
int workspace_width = 0;
|
||
|
||
if (!outputs_walk->active) {
|
||
DLOG("Output %s inactive, skipping...\n", outputs_walk->name);
|
||
continue;
|
||
}
|
||
if (outputs_walk->bar.id == XCB_NONE) {
|
||
/* Oh shit, an active output without an own bar. Create it now! */
|
||
reconfig_windows(false);
|
||
}
|
||
|
||
bool use_focus_colors = output_has_focus(outputs_walk);
|
||
|
||
/* First things first: clear the backbuffer */
|
||
draw_util_clear_surface(&(outputs_walk->buffer), (use_focus_colors ? colors.focus_bar_bg : colors.bar_bg));
|
||
|
||
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), workspace_width, ws_walk->name_width);
|
||
color_t fg_color = colors.inactive_ws_fg;
|
||
color_t bg_color = colors.inactive_ws_bg;
|
||
color_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;
|
||
}
|
||
|
||
/* Draw the border of the button. */
|
||
draw_util_rectangle(&(outputs_walk->buffer), border_color,
|
||
workspace_width,
|
||
logical_px(1),
|
||
ws_walk->name_width + 2 * logical_px(ws_hoff_px) + 2 * logical_px(1),
|
||
font.height + 2 * logical_px(ws_voff_px) - 2 * logical_px(1));
|
||
|
||
/* Draw the inside of the button. */
|
||
draw_util_rectangle(&(outputs_walk->buffer), bg_color,
|
||
workspace_width + logical_px(1),
|
||
2 * logical_px(1),
|
||
ws_walk->name_width + 2 * logical_px(ws_hoff_px),
|
||
font.height + 2 * logical_px(ws_voff_px) - 4 * logical_px(1));
|
||
|
||
draw_util_text(ws_walk->name, &(outputs_walk->buffer), fg_color, bg_color,
|
||
workspace_width + logical_px(ws_hoff_px) + logical_px(1),
|
||
logical_px(ws_voff_px),
|
||
ws_walk->name_width);
|
||
|
||
workspace_width += 2 * logical_px(ws_hoff_px) + 2 * logical_px(1) + ws_walk->name_width;
|
||
if (TAILQ_NEXT(ws_walk, tailq) != NULL)
|
||
workspace_width += logical_px(ws_spacing_px);
|
||
}
|
||
}
|
||
|
||
if (binding.name && !config.disable_binding_mode_indicator) {
|
||
workspace_width += logical_px(ws_spacing_px);
|
||
|
||
color_t fg_color = colors.binding_mode_fg;
|
||
color_t bg_color = colors.binding_mode_bg;
|
||
|
||
draw_util_rectangle(&(outputs_walk->buffer), colors.binding_mode_border,
|
||
workspace_width,
|
||
logical_px(1),
|
||
binding.width + 2 * logical_px(ws_hoff_px) + 2 * logical_px(1),
|
||
font.height + 2 * logical_px(ws_voff_px) - 2 * logical_px(1));
|
||
|
||
draw_util_rectangle(&(outputs_walk->buffer), bg_color,
|
||
workspace_width + logical_px(1),
|
||
2 * logical_px(1),
|
||
binding.width + 2 * logical_px(ws_hoff_px),
|
||
font.height + 2 * logical_px(ws_voff_px) - 4 * logical_px(1));
|
||
|
||
draw_util_text(binding.name, &(outputs_walk->buffer), fg_color, bg_color,
|
||
workspace_width + logical_px(ws_hoff_px) + logical_px(1),
|
||
logical_px(ws_voff_px),
|
||
binding.width);
|
||
|
||
unhide = true;
|
||
workspace_width += 2 * logical_px(ws_hoff_px) + 2 * logical_px(1) + binding.width;
|
||
}
|
||
|
||
if (!TAILQ_EMPTY(&statusline_head)) {
|
||
DLOG("Printing statusline!\n");
|
||
|
||
int tray_width = get_tray_width(outputs_walk->trayclients);
|
||
uint32_t max_statusline_width = outputs_walk->rect.w - workspace_width - tray_width - 2 * logical_px(sb_hoff_px);
|
||
uint32_t clip_left = 0;
|
||
uint32_t statusline_width = full_statusline_width;
|
||
bool use_short_text = false;
|
||
|
||
if (statusline_width > max_statusline_width) {
|
||
statusline_width = short_statusline_width;
|
||
use_short_text = true;
|
||
if (statusline_width > max_statusline_width) {
|
||
clip_left = statusline_width - max_statusline_width;
|
||
}
|
||
}
|
||
|
||
int16_t visible_statusline_width = MIN(statusline_width, max_statusline_width);
|
||
int x_dest = outputs_walk->rect.w - tray_width - logical_px(sb_hoff_px) - visible_statusline_width;
|
||
|
||
draw_statusline(outputs_walk, clip_left, use_focus_colors, use_short_text);
|
||
draw_util_copy_surface(&outputs_walk->statusline_buffer, &outputs_walk->buffer, 0, 0,
|
||
x_dest, 0, visible_statusline_width, (int16_t)bar_height);
|
||
|
||
outputs_walk->statusline_width = statusline_width;
|
||
outputs_walk->statusline_short_text = use_short_text;
|
||
}
|
||
}
|
||
|
||
/* 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;
|
||
}
|
||
|
||
draw_util_copy_surface(&(outputs_walk->buffer), &(outputs_walk->bar), 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;
|
||
}
|