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Merge pull request #1933 from Airblader/feature-1878-2 

Draw i3bar with cairo
This commit is contained in:
Michael Stapelberg 2015-10-05 09:38:43 +02:00
parent 77431a2b96 410c5da7cf
commit ddd5e9a824
8 changed files with 288 additions and 243 deletions
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65
i3bar/include/cairo_util.h Normal file
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@ -0,0 +1,65 @@
/*
* vim:ts=4:sw=4:expandtab
*
* © 2015 Ingo Bürk and contributors (see also: LICENSE)
*
* cairo_util.h: Utility for operations using cairo.
*
*/
#pragma once
#include <cairo/cairo-xcb.h>
/* Represents a color split by color channel. */
typedef struct color_t {
double red;
double green;
double blue;
/* For compatibility, we also store the colorpixel for now. */
uint32_t colorpixel;
} color_t;
/* A wrapper grouping an XCB drawable and both a graphics context
* and the corresponding cairo objects representing it. */
typedef struct surface_t {
/* The drawable which is being represented. */
xcb_drawable_t id;
// TODO remove this once i3 uses solely cairo for drawing operations
/* A classic XCB graphics context. This should not be used for
* drawing operations. */
xcb_gcontext_t gc;
/* A cairo surface representing the drawable. */
cairo_surface_t *surface;
/* The cairo object representing the drawale. In general,
* this is what one should use for any drawing operation. */
cairo_t *cr;
} surface_t;
/**
* Initialize the cairo surface to represent the given drawable.
*
*/
void cairo_surface_init(surface_t *surface, xcb_drawable_t drawable, int width, int height);
/**
* Destroys the surface.
*
*/
void cairo_surface_free(surface_t *surface);
/**
* Parses the given color in hex format to an internal color representation.
* Note that the input must begin with a hash sign, e.g., "#3fbc59".
*
*/
color_t cairo_hex_to_color(const char *color);
/**
* Set the given color as the source color on the surface.
*
*/
void cairo_set_source_color(surface_t *surface, color_t color);

1
i3bar/include/common.h
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@ -80,3 +80,4 @@ TAILQ_HEAD(statusline_head, status_block) statusline_head;
#include "config.h" #include "config.h"
#include "libi3.h" #include "libi3.h"
#include "parse_json_header.h" #include "parse_json_header.h"
#include "cairo_util.h"

9
i3bar/include/outputs.h
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@ -10,8 +10,10 @@
#pragma once #pragma once
#include <xcb/xcb.h> #include <xcb/xcb.h>
#include <cairo/cairo-xcb.h>
#include "common.h" #include "common.h"
#include "cairo_util.h"
typedef struct i3_output i3_output; typedef struct i3_output i3_output;
@ -44,9 +46,10 @@ struct i3_output {
int ws; /* The number of the currently visible ws */ int ws; /* The number of the currently visible ws */
rect rect; /* The rect (relative to the root window) */ rect rect; /* The rect (relative to the root window) */
xcb_window_t bar; /* The id of the bar of the output */ /* Off-screen buffer for preliminary rendering. */
xcb_pixmap_t buffer; /* An extra pixmap for double-buffering */ surface_t buffer;
xcb_gcontext_t bargc; /* The graphical context of the bar */ /* The actual window on which we draw. */
surface_t bar;
struct ws_head* workspaces; /* The workspaces on this output */ struct ws_head* workspaces; /* The workspaces on this output */
struct tc_head* trayclients; /* The tray clients on this output */ struct tc_head* trayclients; /* The tray clients on this output */

6
i3bar/include/xcb.h
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@ -24,6 +24,12 @@
#define XEMBED_MAPPED (1 << 0) #define XEMBED_MAPPED (1 << 0)
#define XEMBED_EMBEDDED_NOTIFY 0 #define XEMBED_EMBEDDED_NOTIFY 0
xcb_connection_t *xcb_connection;
/* We define xcb_request_failed as a macro to include the relevant line number */
#define xcb_request_failed(cookie, err_msg) _xcb_request_failed(cookie, err_msg, __LINE__)
int _xcb_request_failed(xcb_void_cookie_t cookie, char *err_msg, int line);
struct xcb_color_strings_t { struct xcb_color_strings_t {
char *bar_fg; char *bar_fg;
char *bar_bg; char *bar_bg;

71
i3bar/src/cairo_util.c Normal file
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@ -0,0 +1,71 @@
/*
* vim:ts=4:sw=4:expandtab
*
* © 2015 Ingo Bürk and contributors (see also: LICENSE)
*
* cairo_util.c: Utility for operations using cairo.
*
*/
#include <stdlib.h>
#include <err.h>
#include <xcb/xcb.h>
#include <xcb/xcb_aux.h>
#include <cairo/cairo-xcb.h>
#include "common.h"
#include "libi3.h"
xcb_connection_t *xcb_connection;
xcb_screen_t *root_screen;
/*
* Initialize the cairo surface to represent the given drawable.
*
*/
void cairo_surface_init(surface_t *surface, xcb_drawable_t drawable, int width, int height) {
surface->id = drawable;
surface->gc = xcb_generate_id(xcb_connection);
xcb_void_cookie_t gc_cookie = xcb_create_gc_checked(xcb_connection, surface->gc, surface->id, 0, NULL);
if (xcb_request_failed(gc_cookie, "Could not create graphical context"))
exit(EXIT_FAILURE);
surface->surface = cairo_xcb_surface_create(xcb_connection, surface->id, get_visualtype(root_screen), width, height);
surface->cr = cairo_create(surface->surface);
}
/*
* Destroys the surface.
*
*/
void cairo_surface_free(surface_t *surface) {
xcb_free_gc(xcb_connection, surface->gc);
cairo_surface_destroy(surface->surface);
cairo_destroy(surface->cr);
}
/*
* Parses the given color in hex format to an internal color representation.
* Note that the input must begin with a hash sign, e.g., "#3fbc59".
*
*/
color_t cairo_hex_to_color(const char *color) {
char groups[3][3] = {
{color[1], color[2], '\0'},
{color[3], color[4], '\0'},
{color[5], color[6], '\0'}};
return (color_t){
.red = strtol(groups[0], NULL, 16) / 255.0,
.green = strtol(groups[1], NULL, 16) / 255.0,
.blue = strtol(groups[2], NULL, 16) / 255.0,
.colorpixel = get_colorpixel(color)};
}
/*
* Set the given color as the source color on the surface.
*
*/
void cairo_set_source_color(surface_t *surface, color_t color) {
cairo_set_source_rgb(surface->cr, color.red, color.green, color.blue);
}

3
i3bar/src/outputs.c
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@ -151,7 +151,8 @@ static int outputs_start_map_cb(void *params_) {
new_output->name = NULL; new_output->name = NULL;
new_output->ws = 0, new_output->ws = 0,
memset(&new_output->rect, 0, sizeof(rect)); memset(&new_output->rect, 0, sizeof(rect));
new_output->bar = XCB_NONE; memset(&new_output->bar, 0, sizeof(surface_t));
memset(&new_output->buffer, 0, sizeof(surface_t));
new_output->workspaces = smalloc(sizeof(struct ws_head)); new_output->workspaces = smalloc(sizeof(struct ws_head));
TAILQ_INIT(new_output->workspaces); TAILQ_INIT(new_output->workspaces);

374
i3bar/src/xcb.c
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@ -30,6 +30,7 @@
#include <X11/Xlib.h> #include <X11/Xlib.h>
#include <X11/XKBlib.h> #include <X11/XKBlib.h>
#include <X11/extensions/XKB.h> #include <X11/extensions/XKB.h>
#include <cairo/cairo-xcb.h>
#include "common.h" #include "common.h"
#include "libi3.h" #include "libi3.h"
@ -72,9 +73,7 @@ int mod_pressed = 0;
/* Because the statusline is the same on all outputs, we have /* Because the statusline is the same on all outputs, we have
* global buffer to render it on */ * global buffer to render it on */
xcb_gcontext_t statusline_ctx; surface_t statusline_surface;
xcb_gcontext_t statusline_clear;
xcb_pixmap_t statusline_pm;
uint32_t statusline_width; uint32_t statusline_width;
/* Event watchers, to interact with the user */ /* Event watchers, to interact with the user */
@ -91,24 +90,24 @@ bool activated_mode = false;
/* The parsed colors */ /* The parsed colors */
struct xcb_colors_t { struct xcb_colors_t {
uint32_t bar_fg; color_t bar_fg;
uint32_t bar_bg; color_t bar_bg;
uint32_t sep_fg; color_t sep_fg;
uint32_t active_ws_fg; color_t active_ws_fg;
uint32_t active_ws_bg; color_t active_ws_bg;
uint32_t active_ws_border; color_t active_ws_border;
uint32_t inactive_ws_fg; color_t inactive_ws_fg;
uint32_t inactive_ws_bg; color_t inactive_ws_bg;
uint32_t inactive_ws_border; color_t inactive_ws_border;
uint32_t urgent_ws_bg; color_t urgent_ws_bg;
uint32_t urgent_ws_fg; color_t urgent_ws_fg;
uint32_t urgent_ws_border; color_t urgent_ws_border;
uint32_t focus_ws_bg; color_t focus_ws_bg;
uint32_t focus_ws_fg; color_t focus_ws_fg;
uint32_t focus_ws_border; color_t focus_ws_border;
uint32_t binding_mode_bg; color_t binding_mode_bg;
uint32_t binding_mode_fg; color_t binding_mode_fg;
uint32_t binding_mode_border; color_t binding_mode_border;
}; };
struct xcb_colors_t colors; struct xcb_colors_t colors;
@ -131,8 +130,6 @@ static const int tray_loff_px = 2;
/* Vertical offset between the bar and a separator */ /* Vertical offset between the bar and a separator */
static const int sep_voff_px = 4; static const int sep_voff_px = 4;
/* We define xcb_request_failed as a macro to include the relevant line number */
#define xcb_request_failed(cookie, err_msg) _xcb_request_failed(cookie, err_msg, __LINE__)
int _xcb_request_failed(xcb_void_cookie_t cookie, char *err_msg, int line) { int _xcb_request_failed(xcb_void_cookie_t cookie, char *err_msg, int line) {
xcb_generic_error_t *err; xcb_generic_error_t *err;
if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) { if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
@ -173,17 +170,14 @@ static void draw_separator(uint32_t x, struct status_block *block) {
uint32_t center_x = x - sep_offset; uint32_t center_x = x - sep_offset;
if (config.separator_symbol == NULL) { if (config.separator_symbol == NULL) {
/* Draw a classic one pixel, vertical separator. */ /* Draw a classic one pixel, vertical separator. */
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_LINE_WIDTH; cairo_set_source_color(&statusline_surface, colors.sep_fg);
uint32_t values[] = {colors.sep_fg, colors.bar_bg, logical_px(1)}; cairo_rectangle(statusline_surface.cr, center_x, logical_px(sep_voff_px), logical_px(1), bar_height - 2 * logical_px(sep_voff_px));
xcb_change_gc(xcb_connection, statusline_ctx, mask, values); cairo_fill(statusline_surface.cr);
xcb_poly_line(xcb_connection, XCB_COORD_MODE_ORIGIN, statusline_pm, statusline_ctx, 2,
(xcb_point_t[]){{center_x, logical_px(sep_voff_px)},
{center_x, bar_height - logical_px(sep_voff_px)}});
} else { } else {
/* Draw a custom separator. */ /* Draw a custom separator. */
uint32_t separator_x = MAX(x - block->sep_block_width, center_x - separator_symbol_width / 2); uint32_t separator_x = MAX(x - block->sep_block_width, center_x - separator_symbol_width / 2);
set_font_colors(statusline_ctx, colors.sep_fg, colors.bar_bg); set_font_colors(statusline_surface.gc, colors.sep_fg.colorpixel, colors.bar_bg.colorpixel);
draw_text(config.separator_symbol, statusline_pm, statusline_ctx, draw_text(config.separator_symbol, statusline_surface.id, statusline_surface.gc,
separator_x, logical_px(ws_voff_px), x - separator_x); separator_x, logical_px(ws_voff_px), x - separator_x);
} }
} }
@ -245,37 +239,31 @@ void refresh_statusline(bool use_short_text) {
realloc_sl_buffer(); realloc_sl_buffer();
/* Clear the statusline pixmap. */ /* Clear the statusline pixmap. */
xcb_rectangle_t rect = {0, 0, MAX(root_screen->width_in_pixels, statusline_width), bar_height}; cairo_set_source_color(&statusline_surface, colors.bar_bg);
xcb_poly_fill_rectangle(xcb_connection, statusline_pm, statusline_clear, 1, &rect); cairo_rectangle(statusline_surface.cr, 0, 0, MAX(root_screen->width_in_pixels, statusline_width), bar_height);
cairo_fill(statusline_surface.cr);
/* Draw the text of each block. */ /* Draw the text of each block. */
uint32_t x = 0; uint32_t x = 0;
TAILQ_FOREACH(block, &statusline_head, blocks) { TAILQ_FOREACH(block, &statusline_head, blocks) {
if (i3string_get_num_bytes(block->full_text) == 0) if (i3string_get_num_bytes(block->full_text) == 0)
continue; continue;
uint32_t fg_color; color_t fg_color;
/* If this block is urgent, draw it with the defined color and border. */ /* If this block is urgent, draw it with the defined color and border. */
if (block->urgent) { if (block->urgent) {
fg_color = colors.urgent_ws_fg; fg_color = colors.urgent_ws_fg;
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
/* Draw the background */ /* Draw the background */
uint32_t bg_color = colors.urgent_ws_bg; cairo_set_source_color(&statusline_surface, colors.urgent_ws_bg);
uint32_t bg_values[] = {bg_color, bg_color}; cairo_rectangle(statusline_surface.cr, x - logical_px(2), logical_px(1), block->width + logical_px(4), bar_height - logical_px(2));
xcb_change_gc(xcb_connection, statusline_ctx, mask, bg_values); cairo_fill(statusline_surface.cr);
/* The urgent background “overshoots” by 2 px so that the text that
* is printed onto it will not be look so cut off. */
xcb_rectangle_t bg_rect = {x - logical_px(2), logical_px(1), block->width + logical_px(4), bar_height - logical_px(2)};
xcb_poly_fill_rectangle(xcb_connection, statusline_pm, statusline_ctx, 1, &bg_rect);
} else { } else {
fg_color = (block->color ? get_colorpixel(block->color) : colors.bar_fg); fg_color = (block->color ? cairo_hex_to_color(block->color) : colors.bar_fg);
} }
set_font_colors(statusline_ctx, fg_color, colors.bar_bg); set_font_colors(statusline_surface.gc, fg_color.colorpixel, colors.bar_bg.colorpixel);
draw_text(block->full_text, statusline_pm, statusline_ctx, x + block->x_offset, logical_px(ws_voff_px), block->width); draw_text(block->full_text, statusline_surface.id, statusline_surface.gc, x + block->x_offset, logical_px(ws_voff_px), block->width);
x += block->width + block->sep_block_width + block->x_offset + block->x_append; x += block->width + block->sep_block_width + block->x_offset + block->x_append;
/* If this is not the last block, draw a separator. */ /* If this is not the last block, draw a separator. */
@ -297,7 +285,7 @@ void hide_bars(void) {
if (!walk->active) { if (!walk->active) {
continue; continue;
} }
xcb_unmap_window(xcb_connection, walk->bar); xcb_unmap_window(xcb_connection, walk->bar.id);
} }
stop_child(); stop_child();
} }
@ -319,7 +307,7 @@ void unhide_bars(void) {
cont_child(); cont_child();
SLIST_FOREACH(walk, outputs, slist) { SLIST_FOREACH(walk, outputs, slist) {
if (walk->bar == XCB_NONE) { if (walk->bar.id == XCB_NONE) {
continue; continue;
} }
mask = XCB_CONFIG_WINDOW_X | mask = XCB_CONFIG_WINDOW_X |
@ -337,14 +325,14 @@ void unhide_bars(void) {
values[4] = XCB_STACK_MODE_ABOVE; values[4] = XCB_STACK_MODE_ABOVE;
DLOG("Reconfiguring window for output %s to %d,%d\n", walk->name, values[0], values[1]); DLOG("Reconfiguring window for output %s to %d,%d\n", walk->name, values[0], values[1]);
cookie = xcb_configure_window_checked(xcb_connection, cookie = xcb_configure_window_checked(xcb_connection,
walk->bar, walk->bar.id,
mask, mask,
values); values);
if (xcb_request_failed(cookie, "Could not reconfigure window")) { if (xcb_request_failed(cookie, "Could not reconfigure window")) {
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
xcb_map_window(xcb_connection, walk->bar); xcb_map_window(xcb_connection, walk->bar.id);
} }
} }
@ -353,9 +341,9 @@ void unhide_bars(void) {
* *
*/ */
void init_colors(const struct xcb_color_strings_t *new_colors) { void init_colors(const struct xcb_color_strings_t *new_colors) {
#define PARSE_COLOR(name, def) \ #define PARSE_COLOR(name, def) \
do { \ do { \
colors.name = get_colorpixel(new_colors->name ? new_colors->name : def); \ colors.name = cairo_hex_to_color(new_colors->name ? new_colors->name : def); \
} while (0) } while (0)
PARSE_COLOR(bar_fg, "#FFFFFF"); PARSE_COLOR(bar_fg, "#FFFFFF");
PARSE_COLOR(bar_bg, "#000000"); PARSE_COLOR(bar_bg, "#000000");
@ -374,9 +362,9 @@ void init_colors(const struct xcb_color_strings_t *new_colors) {
PARSE_COLOR(focus_ws_border, "#4c7899"); PARSE_COLOR(focus_ws_border, "#4c7899");
#undef PARSE_COLOR #undef PARSE_COLOR
#define PARSE_COLOR_FALLBACK(name, fallback) \ #define PARSE_COLOR_FALLBACK(name, fallback) \
do { \ do { \
colors.name = new_colors->name ? get_colorpixel(new_colors->name) : colors.fallback; \ colors.name = new_colors->name ? cairo_hex_to_color(new_colors->name) : colors.fallback; \
} while (0) } while (0)
/* For the binding mode indicator colors, we don't hardcode a default. /* For the binding mode indicator colors, we don't hardcode a default.
@ -401,7 +389,7 @@ void handle_button(xcb_button_press_event_t *event) {
i3_output *walk; i3_output *walk;
xcb_window_t bar = event->event; xcb_window_t bar = event->event;
SLIST_FOREACH(walk, outputs, slist) { SLIST_FOREACH(walk, outputs, slist) {
if (walk->bar == bar) { if (walk->bar.id == bar) {
break; break;
} }
} }
@ -564,7 +552,7 @@ static void handle_visibility_notify(xcb_visibility_notify_event_t *event) {
if (!output->active) { if (!output->active) {
continue; continue;
} }
if (output->bar == event->window) { if (output->bar.id == event->window) {
if (output->visible == visible) { if (output->visible == visible) {
return; return;
} }
@ -713,7 +701,7 @@ static void handle_client_message(xcb_client_message_event_t *event) {
} }
xcb_reparent_window(xcb_connection, xcb_reparent_window(xcb_connection,
client, client,
output->bar, output->bar.id,
output->rect.w - icon_size - logical_px(config.tray_padding), output->rect.w - icon_size - logical_px(config.tray_padding),
logical_px(config.tray_padding)); logical_px(config.tray_padding));
/* We reconfigure the window to use a reasonable size. The systray /* We reconfigure the window to use a reasonable size. The systray
@ -738,7 +726,7 @@ static void handle_client_message(xcb_client_message_event_t *event) {
ev->format = 32; ev->format = 32;
ev->data.data32[0] = XCB_CURRENT_TIME; ev->data.data32[0] = XCB_CURRENT_TIME;
ev->data.data32[1] = atoms[XEMBED_EMBEDDED_NOTIFY]; ev->data.data32[1] = atoms[XEMBED_EMBEDDED_NOTIFY];
ev->data.data32[2] = output->bar; ev->data.data32[2] = output->bar.id;
ev->data.data32[3] = xe_version; ev->data.data32[3] = xe_version;
xcb_send_event(xcb_connection, xcb_send_event(xcb_connection,
0, 0,
@ -1120,30 +1108,14 @@ char *init_xcb_early() {
/* We draw the statusline to a seperate pixmap, because it looks the same on all bars and /* 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 */ * this way, we can choose to crop it */
uint32_t mask = XCB_GC_FOREGROUND; xcb_pixmap_t statusline_id = xcb_generate_id(xcb_connection);
uint32_t vals[] = {colors.bar_bg, colors.bar_bg};
statusline_clear = xcb_generate_id(xcb_connection);
xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
statusline_clear,
xcb_root,
mask,
vals);
statusline_ctx = xcb_generate_id(xcb_connection);
xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
statusline_ctx,
xcb_root,
0,
NULL);
statusline_pm = xcb_generate_id(xcb_connection);
xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection, xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
root_screen->root_depth, root_screen->root_depth,
statusline_pm, statusline_id,
xcb_root, xcb_root,
root_screen->width_in_pixels, root_screen->width_in_pixels,
root_screen->height_in_pixels); root_screen->height_in_pixels);
cairo_surface_init(&statusline_surface, statusline_id, root_screen->width_in_pixels, root_screen->height_in_pixels);
/* The various watchers to communicate with xcb */ /* The various watchers to communicate with xcb */
xcb_io = smalloc(sizeof(ev_io)); xcb_io = smalloc(sizeof(ev_io));
@ -1163,11 +1135,8 @@ char *init_xcb_early() {
char *path = root_atom_contents("I3_SOCKET_PATH", xcb_connection, screen); char *path = root_atom_contents("I3_SOCKET_PATH", xcb_connection, screen);
if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline buffer") || 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); exit(EXIT_FAILURE);
}
return path; return path;
} }
@ -1483,13 +1452,13 @@ void destroy_window(i3_output *output) {
if (output == NULL) { if (output == NULL) {
return; return;
} }
if (output->bar == XCB_NONE) { if (output->bar.id == XCB_NONE) {
return; return;
} }
kick_tray_clients(output); kick_tray_clients(output);
xcb_destroy_window(xcb_connection, output->bar); xcb_destroy_window(xcb_connection, output->bar.id);
output->bar = XCB_NONE; output->bar.id = XCB_NONE;
} }
/* /*
@ -1499,40 +1468,20 @@ void destroy_window(i3_output *output) {
void realloc_sl_buffer(void) { void realloc_sl_buffer(void) {
DLOG("Re-allocating statusline buffer, statusline_width = %d, root_screen->width_in_pixels = %d\n", DLOG("Re-allocating statusline buffer, statusline_width = %d, root_screen->width_in_pixels = %d\n",
statusline_width, root_screen->width_in_pixels); statusline_width, root_screen->width_in_pixels);
xcb_free_pixmap(xcb_connection, statusline_pm); xcb_free_pixmap(xcb_connection, statusline_surface.id);
statusline_pm = xcb_generate_id(xcb_connection); cairo_surface_free(&statusline_surface);
xcb_pixmap_t statusline_id = xcb_generate_id(xcb_connection);
xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection, xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
root_screen->root_depth, root_screen->root_depth,
statusline_pm, statusline_id,
xcb_root, xcb_root,
MAX(root_screen->width_in_pixels, statusline_width), MAX(root_screen->width_in_pixels, statusline_width),
bar_height); bar_height);
cairo_surface_init(&statusline_surface, statusline_id, root_screen->width_in_pixels, root_screen->height_in_pixels);
uint32_t mask = XCB_GC_FOREGROUND; if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline buffer"))
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); exit(EXIT_FAILURE);
}
} }
/* Strut partial tells i3 where to reserve space for i3bar. This is determined /* Strut partial tells i3 where to reserve space for i3bar. This is determined
@ -1571,7 +1520,7 @@ xcb_void_cookie_t config_strut_partial(i3_output *output) {
} }
return xcb_change_property(xcb_connection, return xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE, XCB_PROP_MODE_REPLACE,
output->bar, output->bar.id,
atoms[_NET_WM_STRUT_PARTIAL], atoms[_NET_WM_STRUT_PARTIAL],
XCB_ATOM_CARDINAL, XCB_ATOM_CARDINAL,
32, 32,
@ -1597,14 +1546,14 @@ void reconfig_windows(bool redraw_bars) {
destroy_window(walk); destroy_window(walk);
continue; continue;
} }
if (walk->bar == XCB_NONE) { if (walk->bar.id == XCB_NONE) {
DLOG("Creating window for output %s\n", walk->name); DLOG("Creating window for output %s\n", walk->name);
walk->bar = xcb_generate_id(xcb_connection); xcb_window_t bar_id = xcb_generate_id(xcb_connection);
walk->buffer = xcb_generate_id(xcb_connection); xcb_pixmap_t buffer_id = xcb_generate_id(xcb_connection);
mask = XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK; mask = XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
/* Black background */ /* Black background */
values[0] = colors.bar_bg; values[0] = colors.bar_bg.colorpixel;
/* If hide_on_modifier is set to hide or invisible mode, i3 is not supposed to manage our bar windows */ /* 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); values[1] = (config.hide_on_modifier == M_DOCK ? 0 : 1);
/* We enable the following EventMask fields: /* We enable the following EventMask fields:
@ -1624,7 +1573,7 @@ void reconfig_windows(bool redraw_bars) {
} }
xcb_void_cookie_t win_cookie = xcb_create_window_checked(xcb_connection, xcb_void_cookie_t win_cookie = xcb_create_window_checked(xcb_connection,
root_screen->root_depth, root_screen->root_depth,
walk->bar, bar_id,
xcb_root, xcb_root,
walk->rect.x, walk->rect.y + walk->rect.h - bar_height, walk->rect.x, walk->rect.y + walk->rect.h - bar_height,
walk->rect.w, bar_height, walk->rect.w, bar_height,
@ -1637,8 +1586,8 @@ void reconfig_windows(bool redraw_bars) {
/* The double-buffer we use to render stuff off-screen */ /* The double-buffer we use to render stuff off-screen */
xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection, xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
root_screen->root_depth, root_screen->root_depth,
walk->buffer, buffer_id,
walk->bar, bar_id,
walk->rect.w, walk->rect.w,
bar_height); bar_height);
@ -1646,7 +1595,7 @@ void reconfig_windows(bool redraw_bars) {
xcb_void_cookie_t class_cookie; xcb_void_cookie_t class_cookie;
class_cookie = xcb_change_property(xcb_connection, class_cookie = xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE, XCB_PROP_MODE_REPLACE,
walk->bar, bar_id,
XCB_ATOM_WM_CLASS, XCB_ATOM_WM_CLASS,
XCB_ATOM_STRING, XCB_ATOM_STRING,
8, 8,
@ -1658,7 +1607,7 @@ void reconfig_windows(bool redraw_bars) {
xcb_void_cookie_t name_cookie; xcb_void_cookie_t name_cookie;
name_cookie = xcb_change_property(xcb_connection, name_cookie = xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE, XCB_PROP_MODE_REPLACE,
walk->bar, bar_id,
XCB_ATOM_WM_NAME, XCB_ATOM_WM_NAME,
XCB_ATOM_STRING, XCB_ATOM_STRING,
8, 8,
@ -1670,28 +1619,22 @@ void reconfig_windows(bool redraw_bars) {
* this one */ * this one */
xcb_void_cookie_t dock_cookie = xcb_change_property(xcb_connection, xcb_void_cookie_t dock_cookie = xcb_change_property(xcb_connection,
XCB_PROP_MODE_REPLACE, XCB_PROP_MODE_REPLACE,
walk->bar, bar_id,
atoms[_NET_WM_WINDOW_TYPE], atoms[_NET_WM_WINDOW_TYPE],
XCB_ATOM_ATOM, XCB_ATOM_ATOM,
32, 32,
1, 1,
(unsigned char *)&atoms[_NET_WM_WINDOW_TYPE_DOCK]); (unsigned char *)&atoms[_NET_WM_WINDOW_TYPE_DOCK]);
xcb_void_cookie_t strut_cookie = config_strut_partial(walk); cairo_surface_init(&walk->bar, bar_id, walk->rect.w, bar_height);
cairo_surface_init(&walk->buffer, buffer_id, walk->rect.w, bar_height);
/* We also want a graphics context for the bars (it defines the properties xcb_void_cookie_t strut_cookie = config_strut_partial(walk);
* 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 */ /* We finally map the bar (display it on screen), unless the modifier-switch is on */
xcb_void_cookie_t map_cookie; xcb_void_cookie_t map_cookie;
if (config.hide_on_modifier == M_DOCK) { if (config.hide_on_modifier == M_DOCK) {
map_cookie = xcb_map_window_checked(xcb_connection, walk->bar); map_cookie = xcb_map_window_checked(xcb_connection, bar_id);
} }
if (xcb_request_failed(win_cookie, "Could not create window") || if (xcb_request_failed(win_cookie, "Could not create window") ||
@ -1700,7 +1643,6 @@ void reconfig_windows(bool redraw_bars) {
xcb_request_failed(class_cookie, "Could not set WM_CLASS") || xcb_request_failed(class_cookie, "Could not set WM_CLASS") ||
xcb_request_failed(name_cookie, "Could not set WM_NAME") || xcb_request_failed(name_cookie, "Could not set WM_NAME") ||
xcb_request_failed(strut_cookie, "Could not set strut") || 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"))) { ((config.hide_on_modifier == M_DOCK) && xcb_request_failed(map_cookie, "Could not map window"))) {
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
@ -1741,11 +1683,11 @@ void reconfig_windows(bool redraw_bars) {
xcb_void_cookie_t strut_cookie = config_strut_partial(walk); xcb_void_cookie_t strut_cookie = config_strut_partial(walk);
DLOG("Destroying buffer for output %s\n", walk->name); DLOG("Destroying buffer for output %s\n", walk->name);
xcb_free_pixmap(xcb_connection, walk->buffer); xcb_free_pixmap(xcb_connection, walk->buffer.id);
DLOG("Reconfiguring window for output %s to %d,%d\n", walk->name, values[0], values[1]); 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, xcb_void_cookie_t cfg_cookie = xcb_configure_window_checked(xcb_connection,
walk->bar, walk->bar.id,
mask, mask,
values); values);
@ -1753,25 +1695,30 @@ void reconfig_windows(bool redraw_bars) {
values[0] = (config.hide_on_modifier == M_DOCK ? 0 : 1); 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]); 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, xcb_void_cookie_t chg_cookie = xcb_change_window_attributes(xcb_connection,
walk->bar, walk->bar.id,
mask, mask,
values); values);
DLOG("Recreating buffer for output %s\n", walk->name); DLOG("Recreating buffer for output %s\n", walk->name);
xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection, xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
root_screen->root_depth, root_screen->root_depth,
walk->buffer, walk->buffer.id,
walk->bar, walk->bar.id,
walk->rect.w, walk->rect.w,
bar_height); bar_height);
cairo_surface_free(&(walk->bar));
cairo_surface_free(&(walk->buffer));
cairo_surface_init(&(walk->bar), walk->bar.id, walk->rect.w, bar_height);
cairo_surface_init(&(walk->buffer), walk->buffer.id, walk->rect.w, bar_height);
xcb_void_cookie_t map_cookie, umap_cookie; xcb_void_cookie_t map_cookie, umap_cookie;
if (redraw_bars) { if (redraw_bars) {
/* Unmap the window, and draw it again when in dock mode */ /* Unmap the window, and draw it again when in dock mode */
umap_cookie = xcb_unmap_window_checked(xcb_connection, walk->bar); umap_cookie = xcb_unmap_window_checked(xcb_connection, walk->bar.id);
if (config.hide_on_modifier == M_DOCK) { if (config.hide_on_modifier == M_DOCK) {
cont_child(); cont_child();
map_cookie = xcb_map_window_checked(xcb_connection, walk->bar); map_cookie = xcb_map_window_checked(xcb_connection, walk->bar.id);
} else { } else {
stop_child(); stop_child();
} }
@ -1815,31 +1762,23 @@ void draw_bars(bool unhide) {
DLOG("Output %s inactive, skipping...\n", outputs_walk->name); DLOG("Output %s inactive, skipping...\n", outputs_walk->name);
continue; continue;
} }
if (outputs_walk->bar == XCB_NONE) { if (outputs_walk->bar.id == XCB_NONE) {
/* Oh shit, an active output without an own bar. Create it now! */ /* Oh shit, an active output without an own bar. Create it now! */
reconfig_windows(false); reconfig_windows(false);
} }
/* First things first: clear the backbuffer */ /* First things first: clear the backbuffer */
uint32_t color = colors.bar_bg; cairo_set_source_color(&(outputs_walk->buffer), colors.bar_bg);
xcb_change_gc(xcb_connection, cairo_rectangle(outputs_walk->buffer.cr, 0, 0, outputs_walk->rect.w, bar_height);
outputs_walk->bargc, cairo_fill(outputs_walk->buffer.cr);
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 (!config.disable_ws) { if (!config.disable_ws) {
i3_ws *ws_walk; i3_ws *ws_walk;
TAILQ_FOREACH(ws_walk, outputs_walk->workspaces, tailq) { TAILQ_FOREACH(ws_walk, outputs_walk->workspaces, tailq) {
DLOG("Drawing button for WS %s at x = %d, len = %d\n", DLOG("Drawing button for WS %s at x = %d, len = %d\n",
i3string_as_utf8(ws_walk->name), workspace_width, ws_walk->name_width); i3string_as_utf8(ws_walk->name), workspace_width, ws_walk->name_width);
uint32_t fg_color = colors.inactive_ws_fg; color_t fg_color = colors.inactive_ws_fg;
uint32_t bg_color = colors.inactive_ws_bg; color_t bg_color = colors.inactive_ws_bg;
uint32_t border_color = colors.inactive_ws_border; color_t border_color = colors.inactive_ws_border;
if (ws_walk->visible) { if (ws_walk->visible) {
if (!ws_walk->focused) { if (!ws_walk->focused) {
fg_color = colors.active_ws_fg; fg_color = colors.active_ws_fg;
@ -1858,37 +1797,21 @@ void draw_bars(bool unhide) {
border_color = colors.urgent_ws_border; border_color = colors.urgent_ws_border;
unhide = true; unhide = true;
} }
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
uint32_t vals_border[] = {border_color, border_color}; cairo_set_source_color(&(outputs_walk->buffer), border_color);
xcb_change_gc(xcb_connection, cairo_rectangle(outputs_walk->buffer.cr, workspace_width, logical_px(1),
outputs_walk->bargc, ws_walk->name_width + 2 * logical_px(ws_hoff_px) + 2 * logical_px(1),
mask, font.height + 2 * logical_px(ws_voff_px) - 2 * logical_px(1));
vals_border); cairo_fill(outputs_walk->buffer.cr);
xcb_rectangle_t rect_border = {workspace_width,
logical_px(1), cairo_set_source_color(&(outputs_walk->buffer), bg_color);
ws_walk->name_width + 2 * logical_px(ws_hoff_px) + 2 * logical_px(1), cairo_rectangle(outputs_walk->buffer.cr, workspace_width + logical_px(1), 2 * logical_px(1),
font.height + 2 * logical_px(ws_voff_px) - 2 * logical_px(1)}; ws_walk->name_width + 2 * logical_px(ws_hoff_px),
xcb_poly_fill_rectangle(xcb_connection, font.height + 2 * logical_px(ws_voff_px) - 4 * logical_px(1));
outputs_walk->buffer, cairo_fill(outputs_walk->buffer.cr);
outputs_walk->bargc,
1, set_font_colors(outputs_walk->buffer.gc, fg_color.colorpixel, bg_color.colorpixel);
&rect_border); draw_text(ws_walk->name, outputs_walk->buffer.id, outputs_walk->buffer.gc,
uint32_t vals[] = {bg_color, bg_color};
xcb_change_gc(xcb_connection,
outputs_walk->bargc,
mask,
vals);
xcb_rectangle_t rect = {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)};
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,
workspace_width + logical_px(ws_hoff_px) + logical_px(1), workspace_width + logical_px(ws_hoff_px) + logical_px(1),
logical_px(ws_voff_px), logical_px(ws_voff_px),
ws_walk->name_width); ws_walk->name_width);
@ -1902,44 +1825,25 @@ void draw_bars(bool unhide) {
if (binding.name && !config.disable_binding_mode_indicator) { if (binding.name && !config.disable_binding_mode_indicator) {
workspace_width += logical_px(ws_spacing_px); workspace_width += logical_px(ws_spacing_px);
uint32_t fg_color = colors.binding_mode_fg; color_t fg_color = colors.binding_mode_fg;
uint32_t bg_color = colors.binding_mode_bg; color_t bg_color = colors.binding_mode_bg;
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
uint32_t vals_border[] = {colors.binding_mode_border, colors.binding_mode_border}; cairo_set_source_color(&(outputs_walk->buffer), colors.binding_mode_border);
xcb_change_gc(xcb_connection, cairo_rectangle(outputs_walk->buffer.cr, workspace_width, logical_px(1),
outputs_walk->bargc, binding.width + 2 * logical_px(ws_hoff_px) + 2 * logical_px(1),
mask, font.height + 2 * logical_px(ws_voff_px) - 2 * logical_px(1));
vals_border); cairo_fill(outputs_walk->buffer.cr);
xcb_rectangle_t rect_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)};
xcb_poly_fill_rectangle(xcb_connection,
outputs_walk->buffer,
outputs_walk->bargc,
1,
&rect_border);
uint32_t vals[] = {bg_color, bg_color}; cairo_set_source_color(&(outputs_walk->buffer), bg_color);
xcb_change_gc(xcb_connection, cairo_rectangle(outputs_walk->buffer.cr, workspace_width + logical_px(1), 2 * logical_px(1),
outputs_walk->bargc, binding.width + 2 * logical_px(ws_hoff_px),
mask, font.height + 2 * logical_px(ws_voff_px) - 4 * logical_px(1));
vals); cairo_fill(outputs_walk->buffer.cr);
xcb_rectangle_t rect = {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)};
xcb_poly_fill_rectangle(xcb_connection,
outputs_walk->buffer,
outputs_walk->bargc,
1,
&rect);
set_font_colors(outputs_walk->bargc, fg_color, bg_color); set_font_colors(outputs_walk->buffer.gc, fg_color.colorpixel, bg_color.colorpixel);
draw_text(binding.name, draw_text(binding.name,
outputs_walk->buffer, outputs_walk->buffer.id,
outputs_walk->bargc, outputs_walk->buffer.gc,
workspace_width + logical_px(ws_hoff_px) + logical_px(1), workspace_width + logical_px(ws_hoff_px) + logical_px(1),
logical_px(ws_voff_px), logical_px(ws_voff_px),
binding.width); binding.width);
@ -1969,13 +1873,12 @@ void draw_bars(bool unhide) {
* statusline, we just have to copy the relevant parts to the relevant * statusline, we just have to copy the relevant parts to the relevant
* position */ * position */
int visible_statusline_width = MIN(statusline_width, max_statusline_width); int visible_statusline_width = MIN(statusline_width, max_statusline_width);
xcb_copy_area(xcb_connection, int x_src = (int16_t)(statusline_width - visible_statusline_width);
statusline_pm, int x_dest = (int16_t)(outputs_walk->rect.w - tray_width - logical_px(sb_hoff_px) - visible_statusline_width);
outputs_walk->buffer,
outputs_walk->bargc, cairo_set_source_surface(outputs_walk->buffer.cr, statusline_surface.surface, x_dest - x_src, 0);
(int16_t)(statusline_width - visible_statusline_width), 0, cairo_rectangle(outputs_walk->buffer.cr, x_dest, 0, (int16_t)visible_statusline_width, (int16_t)bar_height);
(int16_t)(outputs_walk->rect.w - tray_width - logical_px(sb_hoff_px) - visible_statusline_width), 0, cairo_fill(outputs_walk->buffer.cr);
(int16_t)visible_statusline_width, (int16_t)bar_height);
} }
workspace_width = 0; workspace_width = 0;
@ -2003,14 +1906,9 @@ void redraw_bars(void) {
if (!outputs_walk->active) { if (!outputs_walk->active) {
continue; continue;
} }
xcb_copy_area(xcb_connection, cairo_set_source_surface(outputs_walk->bar.cr, outputs_walk->buffer.surface, 0, 0);
outputs_walk->buffer, cairo_rectangle(outputs_walk->bar.cr, 0, 0, outputs_walk->rect.w, outputs_walk->rect.h);
outputs_walk->bar, cairo_fill(outputs_walk->bar.cr);
outputs_walk->bargc,
0, 0,
0, 0,
outputs_walk->rect.w,
outputs_walk->rect.h);
xcb_flush(xcb_connection); xcb_flush(xcb_connection);
} }
} }

2
libi3/font.c
View File

@ -12,8 +12,8 @@
#include <stdbool.h> #include <stdbool.h>
#include <err.h> #include <err.h>
#if PANGO_SUPPORT
#include <cairo/cairo-xcb.h> #include <cairo/cairo-xcb.h>
#if PANGO_SUPPORT
#include <pango/pangocairo.h> #include <pango/pangocairo.h>
#endif #endif