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Merge pull request #2065 from Airblader/feature-1278

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Migrate i3 rendering to cairo
This commit is contained in:
Michael Stapelberg 2015-11-23 22:27:31 +01:00
commit 984658e4be
19 changed files with 491 additions and 382 deletions
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1
i3bar/include/common.h
View File

@ -88,4 +88,3 @@ TAILQ_HEAD(statusline_head, status_block) statusline_head;
#include "config.h"
#include "libi3.h"
#include "parse_json_header.h"
#include "draw_util.h"

103
i3bar/include/draw_util.h
View File

@ -1,103 +0,0 @@
/*
* vim:ts=4:sw=4:expandtab
*
* © 2015 Ingo Bürk and contributors (see also: LICENSE)
*
* draw.h: Utility for drawing.
*
*/
#pragma once
#ifdef CAIRO_SUPPORT
#include <cairo/cairo-xcb.h>
#endif
#ifdef CAIRO_SUPPORT
/* We need to flush cairo surfaces twice to avoid an assertion bug. See #1989
* and https://bugs.freedesktop.org/show_bug.cgi?id=92455. */
#define CAIRO_SURFACE_FLUSH(surface) \
do { \
cairo_surface_flush(surface); \
cairo_surface_flush(surface); \
} while (0)
#endif
/* 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;
/* A classic XCB graphics context. */
xcb_gcontext_t gc;
int width;
int height;
#ifdef CAIRO_SUPPORT
/* 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;
#endif
} surface_t;
/**
* Initialize the surface to represent the given drawable.
*
*/
void draw_util_surface_init(surface_t *surface, xcb_drawable_t drawable, int width, int height);
/**
* Destroys the surface.
*
*/
void draw_util_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 draw_util_hex_to_color(const char *color);
/**
* Draw the given text using libi3.
* This function also marks the surface dirty which is needed if other means of
* drawing are used. This will be the case when using XCB to draw text.
*
*/
void draw_util_text(i3String *text, surface_t *surface, color_t fg_color, color_t bg_color, int x, int y, int max_width);
/**
* Draws a filled rectangle.
* This function is a convenience wrapper and takes care of flushing the
* surface as well as restoring the cairo state.
*
*/
void draw_util_rectangle(surface_t *surface, color_t color, double x, double y, double w, double h);
/**
* Clears a surface with the given color.
*
*/
void draw_util_clear_surface(surface_t *surface, color_t color);
/**
* Copies a surface onto another surface.
*
*/
void draw_util_copy_surface(surface_t *src, surface_t *dest, double src_x, double src_y,
double dest_x, double dest_y, double width, double height);

1
i3bar/include/outputs.h
View File

@ -13,7 +13,6 @@
#include <cairo/cairo-xcb.h>
#include "common.h"
#include "draw_util.h"
typedef struct i3_output i3_output;

40
i3bar/src/xcb.c
View File

@ -174,7 +174,7 @@ static void draw_separator(i3_output *output, uint32_t x, struct status_block *b
uint32_t center_x = x - sep_offset;
if (config.separator_symbol == NULL) {
/* Draw a classic one pixel, vertical separator. */
draw_util_rectangle(&output->statusline_buffer, sep_fg,
draw_util_rectangle(xcb_connection, &output->statusline_buffer, sep_fg,
center_x,
logical_px(sep_voff_px),
logical_px(1),
@ -243,7 +243,7 @@ void draw_statusline(i3_output *output, uint32_t clip_left, bool use_focus_color
struct status_block *block;
color_t bar_color = (use_focus_colors ? colors.focus_bar_bg : colors.bar_bg);
draw_util_clear_surface(&output->statusline_buffer, bar_color);
draw_util_clear_surface(xcb_connection, &output->statusline_buffer, bar_color);
/* Use unsigned integer wraparound to clip off the left side.
* For example, if clip_left is 75, then x will start at the very large
@ -294,13 +294,13 @@ void draw_statusline(i3_output *output, uint32_t clip_left, bool use_focus_color
}
/* Draw the border. */
draw_util_rectangle(&output->statusline_buffer, border_color,
draw_util_rectangle(xcb_connection, &output->statusline_buffer, border_color,
x, logical_px(1),
full_render_width,
bar_height - logical_px(2));
/* Draw the background. */
draw_util_rectangle(&output->statusline_buffer, bg_color,
draw_util_rectangle(xcb_connection, &output->statusline_buffer, bg_color,
x + border_width,
logical_px(1) + border_width,
full_render_width - 2 * border_width,
@ -1709,9 +1709,9 @@ void reconfig_windows(bool redraw_bars) {
1,
(unsigned char *)&atoms[_NET_WM_WINDOW_TYPE_DOCK]);
draw_util_surface_init(&walk->bar, bar_id, walk->rect.w, bar_height);
draw_util_surface_init(&walk->buffer, buffer_id, walk->rect.w, bar_height);
draw_util_surface_init(&walk->statusline_buffer, statusline_buffer_id, walk->rect.w, bar_height);
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);
@ -1820,12 +1820,12 @@ void reconfig_windows(bool redraw_bars) {
walk->rect.w,
bar_height);
draw_util_surface_free(&(walk->bar));
draw_util_surface_free(&(walk->buffer));
draw_util_surface_free(&(walk->statusline_buffer));
draw_util_surface_init(&(walk->bar), walk->bar.id, walk->rect.w, bar_height);
draw_util_surface_init(&(walk->buffer), walk->buffer.id, walk->rect.w, bar_height);
draw_util_surface_init(&(walk->statusline_buffer), walk->statusline_buffer.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) {
@ -1886,7 +1886,7 @@ void draw_bars(bool unhide) {
bool use_focus_colors = output_has_focus(outputs_walk);
/* First things first: clear the backbuffer */
draw_util_clear_surface(&(outputs_walk->buffer),
draw_util_clear_surface(xcb_connection, &(outputs_walk->buffer),
(use_focus_colors ? colors.focus_bar_bg : colors.bar_bg));
if (!config.disable_ws) {
@ -1917,14 +1917,14 @@ void draw_bars(bool unhide) {
}
/* Draw the border of the button. */
draw_util_rectangle(&(outputs_walk->buffer), border_color,
draw_util_rectangle(xcb_connection, &(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,
draw_util_rectangle(xcb_connection, &(outputs_walk->buffer), bg_color,
workspace_width + logical_px(1),
2 * logical_px(1),
ws_walk->name_width + 2 * logical_px(ws_hoff_px),
@ -1947,13 +1947,13 @@ void draw_bars(bool unhide) {
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,
draw_util_rectangle(xcb_connection, &(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,
draw_util_rectangle(xcb_connection, &(outputs_walk->buffer), bg_color,
workspace_width + logical_px(1),
2 * logical_px(1),
binding.width + 2 * logical_px(ws_hoff_px),
@ -1989,7 +1989,7 @@ void draw_bars(bool unhide) {
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,
draw_util_copy_surface(xcb_connection, &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;
@ -2020,7 +2020,7 @@ void redraw_bars(void) {
continue;
}
draw_util_copy_surface(&(outputs_walk->buffer), &(outputs_walk->bar), 0, 0,
draw_util_copy_surface(xcb_connection, &(outputs_walk->buffer), &(outputs_walk->bar), 0, 0,
0, 0, outputs_walk->rect.w, outputs_walk->rect.h);
xcb_flush(xcb_connection);
}

10
include/config.h
View File

@ -50,10 +50,10 @@ struct context {
*
*/
struct Colortriple {
uint32_t border;
uint32_t background;
uint32_t text;
uint32_t indicator;
color_t border;
color_t background;
color_t text;
color_t indicator;
};
/**
@ -202,7 +202,7 @@ struct Config {
/* Color codes are stored here */
struct config_client {
uint32_t background;
color_t background;
struct Colortriple focused;
struct Colortriple focused_inactive;
struct Colortriple unfocused;

9
include/data.h
View File

@ -179,7 +179,7 @@ struct deco_render_params {
struct width_height con_rect;
struct width_height con_window_rect;
Rect con_deco_rect;
uint32_t background;
color_t background;
layout_t parent_layout;
bool con_is_leaf;
};
@ -551,11 +551,10 @@ struct Con {
* change. */
uint8_t ignore_unmap;
/* ids/pixmap/graphics context for the frame window */
/* The surface used for the frame window. */
surface_t frame;
surface_t frame_buffer;
bool pixmap_recreated;
xcb_window_t frame;
xcb_pixmap_t pixmap;
xcb_gcontext_t pm_gc;
enum {
CT_ROOT = 0,

105
include/libi3.h
View File

@ -20,6 +20,9 @@
#if PANGO_SUPPORT
#include <pango/pango.h>
#endif
#ifdef CAIRO_SUPPORT
#include <cairo/cairo-xcb.h>
#endif
#define DEFAULT_DIR_MODE (S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)
@ -480,3 +483,105 @@ char *get_config_path(const char *override_configpath, bool use_system_paths);
*/
int mkdirp(const char *path, mode_t mode);
#endif
#ifdef CAIRO_SUPPORT
/* We need to flush cairo surfaces twice to avoid an assertion bug. See #1989
* and https://bugs.freedesktop.org/show_bug.cgi?id=92455. */
#define CAIRO_SURFACE_FLUSH(surface) \
do { \
cairo_surface_flush(surface); \
cairo_surface_flush(surface); \
} while (0)
#endif
/* Represents a color split by color channel. */
typedef struct color_t {
double red;
double green;
double blue;
double alpha;
/* The colorpixel we use for direct XCB calls. */
uint32_t colorpixel;
} color_t;
#define COLOR_TRANSPARENT ((color_t){.red = 0.0, .green = 0.0, .blue = 0.0, .colorpixel = 0})
/* 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;
/* A classic XCB graphics context. */
xcb_gcontext_t gc;
xcb_visualtype_t *visual_type;
int width;
int height;
#ifdef CAIRO_SUPPORT
/* A cairo surface representing the drawable. */
cairo_surface_t *surface;
/* The cairo object representing the drawable. In general,
* this is what one should use for any drawing operation. */
cairo_t *cr;
#endif
} surface_t;
/**
* Initialize the surface to represent the given drawable.
*
*/
void draw_util_surface_init(xcb_connection_t *conn, surface_t *surface, xcb_drawable_t drawable,
xcb_visualtype_t *visual, int width, int height);
/**
* Resize the surface to the given size.
*
*/
void draw_util_surface_set_size(surface_t *surface, int width, int height);
/**
* Destroys the surface.
*
*/
void draw_util_surface_free(xcb_connection_t *conn, 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 draw_util_hex_to_color(const char *color);
/**
* Draw the given text using libi3.
* This function also marks the surface dirty which is needed if other means of
* drawing are used. This will be the case when using XCB to draw text.
*
*/
void draw_util_text(i3String *text, surface_t *surface, color_t fg_color, color_t bg_color, int x, int y, int max_width);
/**
* Draws a filled rectangle.
* This function is a convenience wrapper and takes care of flushing the
* surface as well as restoring the cairo state.
*
*/
void draw_util_rectangle(xcb_connection_t *conn, surface_t *surface, color_t color, double x, double y, double w, double h);
/**
* Clears a surface with the given color.
*
*/
void draw_util_clear_surface(xcb_connection_t *conn, surface_t *surface, color_t color);
/**
* Copies a surface onto another surface.
*
*/
void draw_util_copy_surface(xcb_connection_t *conn, surface_t *src, surface_t *dest, double src_x, double src_y,
double dest_x, double dest_y, double width, double height);

6
include/xcb.h
View File

@ -140,6 +140,12 @@ void xcb_set_root_cursor(int cursor);
*/
uint16_t get_visual_depth(xcb_visualid_t visual_id);
/**
* Get visual type specified by visualid
*
*/
xcb_visualtype_t *get_visualtype_by_id(xcb_visualid_t visual_id);
/**
* Get visualid with specified depth
*

106
i3bar/src/draw_util.c → libi3/draw_util.c
View File

@ -15,31 +15,44 @@
#include <cairo/cairo-xcb.h>
#endif
#include "common.h"
#include "libi3.h"
xcb_connection_t *xcb_connection;
/* The default visual_type to use if none is specified when creating the surface. Must be defined globally. */
xcb_visualtype_t *visual_type;
/* Forward declarations */
static void draw_util_set_source_color(surface_t *surface, color_t color);
static void draw_util_set_source_color(xcb_connection_t *conn, surface_t *surface, color_t color);
#define RETURN_UNLESS_SURFACE_INITIALIZED(surface) \
do { \
if ((surface)->id == XCB_NONE) { \
ELOG("Surface %p is not initialized, skipping drawing.\n", surface); \
return; \
} \
} while (0)
/*
* Initialize the surface to represent the given drawable.
*
*/
void draw_util_surface_init(surface_t *surface, xcb_drawable_t drawable, int width, int height) {
void draw_util_surface_init(xcb_connection_t *conn, surface_t *surface, xcb_drawable_t drawable,
xcb_visualtype_t *visual, int width, int height) {
surface->id = drawable;
surface->visual_type = ((visual == NULL) ? visual_type : visual);
surface->width = width;
surface->height = height;
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"))
surface->gc = xcb_generate_id(conn);
xcb_void_cookie_t gc_cookie = xcb_create_gc_checked(conn, surface->gc, surface->id, 0, NULL);
xcb_generic_error_t *error = xcb_request_check(conn, gc_cookie);
if (error != NULL) {
ELOG("Could not create graphical context. Error code: %d\n", error->error_code);
exit(EXIT_FAILURE);
}
#ifdef CAIRO_SUPPORT
surface->surface = cairo_xcb_surface_create(xcb_connection, surface->id, visual_type, width, height);
surface->surface = cairo_xcb_surface_create(conn, surface->id, surface->visual_type, width, height);
surface->cr = cairo_create(surface->surface);
#endif
}
@ -48,11 +61,29 @@ void draw_util_surface_init(surface_t *surface, xcb_drawable_t drawable, int wid
* Destroys the surface.
*
*/
void draw_util_surface_free(surface_t *surface) {
xcb_free_gc(xcb_connection, surface->gc);
void draw_util_surface_free(xcb_connection_t *conn, surface_t *surface) {
xcb_free_gc(conn, surface->gc);
#ifdef CAIRO_SUPPORT
cairo_surface_destroy(surface->surface);
cairo_destroy(surface->cr);
/* We need to explicitly set these to NULL to avoid assertion errors in
* cairo when calling this multiple times. This can happen, for example,
* when setting the border of a window to none and then closing it. */
surface->surface = NULL;
surface->cr = NULL;
#endif
}
/*
* Resize the surface to the given size.
*
*/
void draw_util_surface_set_size(surface_t *surface, int width, int height) {
surface->width = width;
surface->height = height;
#ifdef CAIRO_SUPPORT
cairo_xcb_surface_set_size(surface->surface, width, height);
#endif
}
@ -62,15 +93,25 @@ void draw_util_surface_free(surface_t *surface) {
*
*/
color_t draw_util_hex_to_color(const char *color) {
char groups[3][3] = {
char alpha[2];
if (strlen(color) == strlen("#rrggbbaa")) {
alpha[0] = color[7];
alpha[1] = color[8];
} else {
alpha[0] = alpha[1] = 'F';
}
char groups[4][3] = {
{color[1], color[2], '\0'},
{color[3], color[4], '\0'},
{color[5], color[6], '\0'}};
{color[5], color[6], '\0'},
{alpha[0], alpha[1], '\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,
.alpha = strtol(groups[3], NULL, 16) / 255.0,
.colorpixel = get_colorpixel(color)};
}
@ -78,12 +119,14 @@ color_t draw_util_hex_to_color(const char *color) {
* Set the given color as the source color on the surface.
*
*/
static void draw_util_set_source_color(surface_t *surface, color_t color) {
static void draw_util_set_source_color(xcb_connection_t *conn, surface_t *surface, color_t color) {
RETURN_UNLESS_SURFACE_INITIALIZED(surface);
#ifdef CAIRO_SUPPORT
cairo_set_source_rgb(surface->cr, color.red, color.green, color.blue);
cairo_set_source_rgba(surface->cr, color.red, color.green, color.blue, color.alpha);
#else
uint32_t colorpixel = color.colorpixel;
xcb_change_gc(xcb_connection, surface->gc, XCB_GC_FOREGROUND | XCB_GC_BACKGROUND,
xcb_change_gc(conn, surface->gc, XCB_GC_FOREGROUND | XCB_GC_BACKGROUND,
(uint32_t[]){colorpixel, colorpixel});
#endif
}
@ -95,13 +138,15 @@ static void draw_util_set_source_color(surface_t *surface, color_t color) {
*
*/
void draw_util_text(i3String *text, surface_t *surface, color_t fg_color, color_t bg_color, int x, int y, int max_width) {
RETURN_UNLESS_SURFACE_INITIALIZED(surface);
#ifdef CAIRO_SUPPORT
/* Flush any changes before we draw the text as this might use XCB directly. */
CAIRO_SURFACE_FLUSH(surface->surface);
#endif
set_font_colors(surface->gc, fg_color.colorpixel, bg_color.colorpixel);
draw_text(text, surface->id, surface->gc, visual_type, x, y, max_width);
draw_text(text, surface->id, surface->gc, surface->visual_type, x, y, max_width);
#ifdef CAIRO_SUPPORT
/* Notify cairo that we (possibly) used another way to draw on the surface. */
@ -115,7 +160,9 @@ void draw_util_text(i3String *text, surface_t *surface, color_t fg_color, color_
* surface as well as restoring the cairo state.
*
*/
void draw_util_rectangle(surface_t *surface, color_t color, double x, double y, double w, double h) {
void draw_util_rectangle(xcb_connection_t *conn, surface_t *surface, color_t color, double x, double y, double w, double h) {
RETURN_UNLESS_SURFACE_INITIALIZED(surface);
#ifdef CAIRO_SUPPORT
cairo_save(surface->cr);
@ -123,7 +170,7 @@ void draw_util_rectangle(surface_t *surface, color_t color, double x, double y,
* onto the surface rather than blending it. This is a bit more efficient and
* allows better color control for the user when using opacity. */
cairo_set_operator(surface->cr, CAIRO_OPERATOR_SOURCE);
draw_util_set_source_color(surface, color);
draw_util_set_source_color(conn, surface, color);
cairo_rectangle(surface->cr, x, y, w, h);
cairo_fill(surface->cr);
@ -134,10 +181,10 @@ void draw_util_rectangle(surface_t *surface, color_t color, double x, double y,
cairo_restore(surface->cr);
#else
draw_util_set_source_color(surface, color);
draw_util_set_source_color(conn, surface, color);
xcb_rectangle_t rect = {x, y, w, h};
xcb_poly_fill_rectangle(xcb_connection, surface->id, surface->gc, 1, &rect);
xcb_poly_fill_rectangle(conn, surface->id, surface->gc, 1, &rect);
#endif
}
@ -145,7 +192,9 @@ void draw_util_rectangle(surface_t *surface, color_t color, double x, double y,
* Clears a surface with the given color.
*
*/
void draw_util_clear_surface(surface_t *surface, color_t color) {
void draw_util_clear_surface(xcb_connection_t *conn, surface_t *surface, color_t color) {
RETURN_UNLESS_SURFACE_INITIALIZED(surface);
#ifdef CAIRO_SUPPORT
cairo_save(surface->cr);
@ -153,7 +202,7 @@ void draw_util_clear_surface(surface_t *surface, color_t color) {
* onto the surface rather than blending it. This is a bit more efficient and
* allows better color control for the user when using opacity. */
cairo_set_operator(surface->cr, CAIRO_OPERATOR_SOURCE);
draw_util_set_source_color(surface, color);
draw_util_set_source_color(conn, surface, color);
cairo_paint(surface->cr);
@ -163,10 +212,10 @@ void draw_util_clear_surface(surface_t *surface, color_t color) {
cairo_restore(surface->cr);
#else
draw_util_set_source_color(surface, color);
draw_util_set_source_color(conn, surface, color);
xcb_rectangle_t rect = {0, 0, surface->width, surface->height};
xcb_poly_fill_rectangle(xcb_connection, surface->id, surface->gc, 1, &rect);
xcb_poly_fill_rectangle(conn, surface->id, surface->gc, 1, &rect);
#endif
}
@ -174,8 +223,11 @@ void draw_util_clear_surface(surface_t *surface, color_t color) {
* Copies a surface onto another surface.
*
*/
void draw_util_copy_surface(surface_t *src, surface_t *dest, double src_x, double src_y,
void draw_util_copy_surface(xcb_connection_t *conn, surface_t *src, surface_t *dest, double src_x, double src_y,
double dest_x, double dest_y, double width, double height) {
RETURN_UNLESS_SURFACE_INITIALIZED(src);
RETURN_UNLESS_SURFACE_INITIALIZED(dest);
#ifdef CAIRO_SUPPORT
cairo_save(dest->cr);
@ -183,7 +235,7 @@ void draw_util_copy_surface(surface_t *src, surface_t *dest, double src_x, doubl
* onto the surface rather than blending it. This is a bit more efficient and
* allows better color control for the user when using opacity. */
cairo_set_operator(dest->cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_surface(dest->cr, src->surface, dest_x - src_x, src_y);
cairo_set_source_surface(dest->cr, src->surface, dest_x - src_x, dest_y - src_y);
cairo_rectangle(dest->cr, dest_x, dest_y, width, height);
cairo_fill(dest->cr);
@ -195,7 +247,7 @@ void draw_util_copy_surface(surface_t *src, surface_t *dest, double src_x, doubl
cairo_restore(dest->cr);
#else
xcb_copy_area(xcb_connection, src->id, dest->id, dest->gc, (int16_t)src_x, (int16_t)src_y,
xcb_copy_area(conn, src->id, dest->id, dest->gc, (int16_t)src_x, (int16_t)src_y,
(int16_t)dest_x, (int16_t)dest_y, (uint16_t)width, (uint16_t)height);
#endif
}

4
src/con.c
View File

@ -47,7 +47,7 @@ Con *con_new_skeleton(Con *parent, i3Window *window) {
new->depth = window->depth;
new->window->aspect_ratio = 0.0;
} else {
new->depth = XCB_COPY_FROM_PARENT;
new->depth = root_depth;
}
DLOG("opening window\n");
@ -514,7 +514,7 @@ Con *con_by_window_id(xcb_window_t window) {
Con *con_by_frame_id(xcb_window_t frame) {
Con *con;
TAILQ_FOREACH(con, &all_cons, all_cons)
if (con->frame == frame)
if (con->frame.id == frame)
return con;
return NULL;
}

10
src/config.c
View File

@ -191,13 +191,13 @@ void load_configuration(xcb_connection_t *conn, const char *override_configpath,
/* Initialize default colors */
#define INIT_COLOR(x, cborder, cbackground, ctext, cindicator) \
do { \
x.border = get_colorpixel(cborder); \
x.background = get_colorpixel(cbackground); \
x.text = get_colorpixel(ctext); \
x.indicator = get_colorpixel(cindicator); \
x.border = draw_util_hex_to_color(cborder); \
x.background = draw_util_hex_to_color(cbackground); \
x.text = draw_util_hex_to_color(ctext); \
x.indicator = draw_util_hex_to_color(cindicator); \
} while (0)
config.client.background = get_colorpixel("#000000");
config.client.background = draw_util_hex_to_color("#000000");
INIT_COLOR(config.client.focused, "#4c7899", "#285577", "#ffffff", "#2e9ef4");
INIT_COLOR(config.client.focused_inactive, "#333333", "#5f676a", "#ffffff", "#484e50");
INIT_COLOR(config.client.unfocused, "#333333", "#222222", "#888888", "#292d2e");

10
src/config_directives.c
View File

@ -332,18 +332,18 @@ CFGFUN(popup_during_fullscreen, const char *value) {
CFGFUN(color_single, const char *colorclass, const char *color) {
/* used for client.background only currently */
config.client.background = get_colorpixel(color);
config.client.background = draw_util_hex_to_color(color);
}
CFGFUN(color, const char *colorclass, const char *border, const char *background, const char *text, const char *indicator) {
#define APPLY_COLORS(classname) \
do { \
if (strcmp(colorclass, "client." #classname) == 0) { \
config.client.classname.border = get_colorpixel(border); \
config.client.classname.background = get_colorpixel(background); \
config.client.classname.text = get_colorpixel(text); \
config.client.classname.border = draw_util_hex_to_color(border); \
config.client.classname.background = draw_util_hex_to_color(background); \
config.client.classname.text = draw_util_hex_to_color(text); \
if (indicator != NULL) { \
config.client.classname.indicator = get_colorpixel(indicator); \
config.client.classname.indicator = draw_util_hex_to_color(indicator); \
} \
} \
} while (0)

7
src/handlers.c
View File

@ -656,15 +656,14 @@ static void handle_expose_event(xcb_expose_event_t *event) {
return;
}
/* Since we render to our pixmap on every change anyways, expose events
/* Since we render to our surface on every change anyways, expose events
* only tell us that the X server lost (parts of) the window contents. We
* can handle that by copying the appropriate part from our pixmap to the
* can handle that by copying the appropriate part from our surface to the
* window. */
xcb_copy_area(conn, parent->pixmap, parent->frame, parent->pm_gc,
draw_util_copy_surface(conn, &(parent->frame_buffer), &(parent->frame),
event->x, event->y, event->x, event->y,
event->width, event->height);
xcb_flush(conn);
return;
}

28
src/main.c
View File

@ -59,7 +59,7 @@ xcb_window_t root;
* pixmaps. Will use 32 bit depth and an appropriate visual, if available,
* otherwise the root window’s default (usually 24 bit TrueColor). */
uint8_t root_depth;
xcb_visualid_t visual_id;
xcb_visualtype_t *visual_type;
xcb_colormap_t colormap;
struct ev_loop *main_loop;
@ -481,15 +481,29 @@ int main(int argc, char *argv[]) {
#include "atoms.xmacro"
#undef xmacro
/* By default, we use the same depth and visual as the root window, which
* usually is TrueColor (24 bit depth) and the corresponding visual.
* However, we also check if a 32 bit depth and visual are available (for
* transparency) and use it if so. */
root_depth = root_screen->root_depth;
visual_id = root_screen->root_visual;
colormap = root_screen->default_colormap;
visual_type = xcb_aux_find_visual_by_attrs(root_screen, -1, 32);
if (visual_type != NULL) {
root_depth = xcb_aux_get_depth_of_visual(root_screen, visual_type->visual_id);
colormap = xcb_generate_id(conn);
DLOG("root_depth = %d, visual_id = 0x%08x.\n", root_depth, visual_id);
xcb_void_cookie_t cm_cookie = xcb_create_colormap_checked(conn,
XCB_COLORMAP_ALLOC_NONE,
colormap,
root,
visual_type->visual_id);
xcb_generic_error_t *error = xcb_request_check(conn, cm_cookie);
if (error != NULL) {
ELOG("Could not create colormap. Error code: %d\n", error->error_code);
exit(EXIT_FAILURE);
}
} else {
visual_type = get_visualtype(root_screen);
}
DLOG("root_depth = %d, visual_id = 0x%08x.\n", root_depth, visual_type->visual_id);
DLOG("root_screen->height_in_pixels = %d, root_screen->height_in_millimeters = %d, dpi = %d\n",
root_screen->height_in_pixels, root_screen->height_in_millimeters,
(int)((double)root_screen->height_in_pixels * 25.4 / (double)root_screen->height_in_millimeters));

2
src/manage.c
View File

@ -473,7 +473,7 @@ void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cooki
values[0] = XCB_NONE;
xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
xcb_void_cookie_t rcookie = xcb_reparent_window_checked(conn, window, nc->frame, 0, 0);
xcb_void_cookie_t rcookie = xcb_reparent_window_checked(conn, window, nc->frame.id, 0, 0);
if (xcb_request_check(conn, rcookie) != NULL) {
LOG("Could not reparent the window, aborting\n");
goto geom_out;

2
src/resize.c
View File

@ -146,7 +146,7 @@ int resize_graphical_handler(Con *first, Con *second, orientation_t orientation,
}
mask = XCB_CW_BACK_PIXEL;
values[0] = config.client.focused.border;
values[0] = config.client.focused.border.colorpixel;
mask |= XCB_CW_OVERRIDE_REDIRECT;
values[1] = 1;

6
src/restore_layout.c
View File

@ -125,7 +125,7 @@ void restore_connect(void) {
static void update_placeholder_contents(placeholder_state *state) {
xcb_change_gc(restore_conn, state->gc, XCB_GC_FOREGROUND,
(uint32_t[]){config.client.placeholder.background});
(uint32_t[]){config.client.placeholder.background.colorpixel});
xcb_poly_fill_rectangle(restore_conn, state->pixmap, state->gc, 1,
(xcb_rectangle_t[]){{0, 0, state->rect.width, state->rect.height}});
@ -133,7 +133,7 @@ static void update_placeholder_contents(placeholder_state *state) {
xcb_flush(restore_conn);
xcb_aux_sync(restore_conn);
set_font_colors(state->gc, config.client.placeholder.text, config.client.placeholder.background);
set_font_colors(state->gc, config.client.placeholder.text.colorpixel, config.client.placeholder.background.colorpixel);
Match *swallows;
int n = 0;
@ -193,7 +193,7 @@ static void open_placeholder_window(Con *con) {
true,
XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK,
(uint32_t[]){
config.client.placeholder.background,
config.client.placeholder.background.colorpixel,
XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_STRUCTURE_NOTIFY,
});
/* Make i3 not focus this window. */

326
src/x.c
View File

@ -101,13 +101,10 @@ void x_con_init(Con *con, uint16_t depth) {
uint32_t mask = 0;
uint32_t values[5];
xcb_visualid_t visual = XCB_COPY_FROM_PARENT;
xcb_colormap_t win_colormap = XCB_NONE;
if (depth != root_depth && depth != XCB_COPY_FROM_PARENT) {
/* For custom visuals, we need to create a colormap before creating
* this window. It will be freed directly after creating the window. */
visual = get_visualid_by_depth(depth);
win_colormap = xcb_generate_id(conn);
xcb_visualid_t visual = get_visualid_by_depth(depth);
xcb_colormap_t win_colormap = xcb_generate_id(conn);
xcb_create_colormap_checked(conn, XCB_COLORMAP_ALLOC_NONE, win_colormap, root, visual);
/* We explicitly set a background color and border color (even though we
@ -130,24 +127,13 @@ void x_con_init(Con *con, uint16_t depth) {
mask |= XCB_CW_COLORMAP;
values[4] = win_colormap;
} else {
/* our own frames should not be managed */
mask = XCB_CW_OVERRIDE_REDIRECT;
values[0] = 1;
/* see include/xcb.h for the FRAME_EVENT_MASK */
mask |= XCB_CW_EVENT_MASK;
values[1] = FRAME_EVENT_MASK & ~XCB_EVENT_MASK_ENTER_WINDOW;
mask |= XCB_CW_COLORMAP;
values[2] = colormap;
}
Rect dims = {-15, -15, 10, 10};
con->frame = create_window(conn, dims, depth, visual, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCURSOR_CURSOR_POINTER, false, mask, values);
xcb_window_t frame_id = create_window(conn, dims, depth, visual, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCURSOR_CURSOR_POINTER, false, mask, values);
draw_util_surface_init(conn, &(con->frame), frame_id, get_visualtype_by_id(visual), dims.width, dims.height);
xcb_change_property(conn,
XCB_PROP_MODE_REPLACE,
con->frame,
con->frame.id,
XCB_ATOM_WM_CLASS,
XCB_ATOM_STRING,
8,
@ -158,7 +144,7 @@ void x_con_init(Con *con, uint16_t depth) {
xcb_free_colormap(conn, win_colormap);
struct con_state *state = scalloc(1, sizeof(struct con_state));
state->id = con->frame;
state->id = con->frame.id;
state->mapped = false;
state->initial = true;
DLOG("Adding window 0x%08x to lists\n", state->id);
@ -177,7 +163,7 @@ void x_con_init(Con *con, uint16_t depth) {
void x_reinit(Con *con) {
struct con_state *state;
if ((state = state_for_frame(con->frame)) == NULL) {
if ((state = state_for_frame(con->frame.id)) == NULL) {
ELOG("window state not found\n");
return;
}
@ -196,13 +182,13 @@ void x_reinit(Con *con) {
*/
void x_reparent_child(Con *con, Con *old) {
struct con_state *state;
if ((state = state_for_frame(con->frame)) == NULL) {
if ((state = state_for_frame(con->frame.id)) == NULL) {
ELOG("window state for con not found\n");
return;
}
state->need_reparent = true;
state->old_frame = old->frame;
state->old_frame = old->frame.id;
}
/*
@ -212,12 +198,12 @@ void x_reparent_child(Con *con, Con *old) {
void x_move_win(Con *src, Con *dest) {
struct con_state *state_src, *state_dest;
if ((state_src = state_for_frame(src->frame)) == NULL) {
if ((state_src = state_for_frame(src->frame.id)) == NULL) {
ELOG("window state for src not found\n");
return;
}
if ((state_dest = state_for_frame(dest->frame)) == NULL) {
if ((state_dest = state_for_frame(dest->frame.id)) == NULL) {
ELOG("window state for dest not found\n");
return;
}
@ -239,10 +225,11 @@ void x_move_win(Con *src, Con *dest) {
void x_con_kill(Con *con) {
con_state *state;
xcb_destroy_window(conn, con->frame);
xcb_free_pixmap(conn, con->pixmap);
xcb_free_gc(conn, con->pm_gc);
state = state_for_frame(con->frame);
draw_util_surface_free(conn, &(con->frame));
draw_util_surface_free(conn, &(con->frame_buffer));
xcb_destroy_window(conn, con->frame.id);
xcb_free_pixmap(conn, con->frame_buffer.id);
state = state_for_frame(con->frame.id);
CIRCLEQ_REMOVE(&state_head, state, state);
CIRCLEQ_REMOVE(&old_state_head, state, old_state);
TAILQ_REMOVE(&initial_mapping_head, state, initial_mapping_order);
@ -312,6 +299,54 @@ void x_window_kill(xcb_window_t window, kill_window_t kill_window) {
free(event);
}
static void x_draw_decoration_border(Con *con, struct deco_render_params *p) {
assert(con->parent != NULL);
Rect *dr = &(con->deco_rect);
adjacent_t borders_to_hide = con_adjacent_borders(con) & config.hide_edge_borders;
int deco_diff_l = borders_to_hide & ADJ_LEFT_SCREEN_EDGE ? 0 : con->current_border_width;
int deco_diff_r = borders_to_hide & ADJ_RIGHT_SCREEN_EDGE ? 0 : con->current_border_width;
if (con->parent->layout == L_TABBED ||
(con->parent->layout == L_STACKED && TAILQ_NEXT(con, nodes) != NULL)) {
deco_diff_l = 0;
deco_diff_r = 0;
}
draw_util_rectangle(conn, &(con->parent->frame_buffer), p->color->border,
dr->x, dr->y, dr->width, 1);
draw_util_rectangle(conn, &(con->parent->frame_buffer), p->color->border,
dr->x + deco_diff_l, dr->y + dr->height - 1, dr->width - (deco_diff_l + deco_diff_r), 1);
}
static void x_draw_decoration_after_title(Con *con, struct deco_render_params *p) {
assert(con->parent != NULL);
Rect *dr = &(con->deco_rect);
Rect br = con_border_style_rect(con);
/* Redraw the right border to cut off any text that went past it.
* This is necessary when the text was drawn using XCB since cutting text off
* automatically does not work there. For pango rendering, this isn't necessary. */
draw_util_rectangle(conn, &(con->parent->frame_buffer), p->color->background,
dr->x + dr->width + br.width, dr->y, -br.width, dr->height);
/* Draw a 1px separator line before and after every tab, so that tabs can
* be easily distinguished. */
if (con->parent->layout == L_TABBED) {
/* Left side */
draw_util_rectangle(conn, &(con->parent->frame_buffer), p->color->border,
dr->x, dr->y, 1, dr->height);
/* Right side */
draw_util_rectangle(conn, &(con->parent->frame_buffer), p->color->border,
dr->x + dr->width - 1, dr->y, 1, dr->height);
}
/* Redraw the border. */
x_draw_decoration_border(con, p);
}
/*
* Draws the decoration of the given container onto its parent.
*
@ -343,7 +378,7 @@ void x_draw_decoration(Con *con) {
/* Skip containers whose pixmap has not yet been created (can happen when
* decoration rendering happens recursively for a window for which
* x_push_node() was not yet called) */
if (leaf && con->pixmap == XCB_NONE)
if (leaf && con->frame_buffer.id == XCB_NONE)
return;
/* 1: build deco_params and compare with cache */
@ -395,29 +430,20 @@ void x_draw_decoration(Con *con) {
con->pixmap_recreated = false;
con->mark_changed = false;
/* 2: draw the client.background, but only for the parts around the client_rect */
/* 2: draw the client.background, but only for the parts around the window_rect */
if (con->window != NULL) {
xcb_rectangle_t background[] = {
/* top area */
{0, 0, r->width, w->y},
draw_util_rectangle(conn, &(con->frame_buffer), config.client.background,
0, 0, r->width, w->y);
/* bottom area */
{0, (w->y + w->height), r->width, r->height - (w->y + w->height)},
draw_util_rectangle(conn, &(con->frame_buffer), config.client.background,
0, w->y + w->height, r->width, r->height - (w->y + w->height));
/* left area */
{0, 0, w->x, r->height},
draw_util_rectangle(conn, &(con->frame_buffer), config.client.background,
0, 0, w->x, r->height);
/* right area */
{w->x + w->width, 0, r->width - (w->x + w->width), r->height}};
#if 0
for (int i = 0; i < 4; i++)
DLOG("rect is (%d, %d) with %d x %d\n",
background[i].x,
background[i].y,
background[i].width,
background[i].height
);
#endif
xcb_change_gc(conn, con->pm_gc, XCB_GC_FOREGROUND, (uint32_t[]){config.client.background});
xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, sizeof(background) / sizeof(xcb_rectangle_t), background);
draw_util_rectangle(conn, &(con->frame_buffer), config.client.background,
w->x + w->width, 0, r->width - (w->x + w->width), r->height);
}
/* 3: draw a rectangle in border color around the client */
@ -433,27 +459,26 @@ void x_draw_decoration(Con *con) {
DLOG("window_rect spans (%d, %d) with %d x %d\n", con->window_rect.x, con->window_rect.y, con->window_rect.width, con->window_rect.height);
#endif
/* These rectangles represents the border around the child window
/* These rectangles represent the border around the child window
* (left, bottom and right part). We don’t just fill the whole
* rectangle because some childs are not freely resizable and we want
* their background color to "shine through". */
xcb_change_gc(conn, con->pm_gc, XCB_GC_FOREGROUND, (uint32_t[]){p->color->background});
if (!(borders_to_hide & ADJ_LEFT_SCREEN_EDGE)) {
xcb_rectangle_t leftline = {0, 0, br.x, r->height};
xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, 1, &leftline);
draw_util_rectangle(conn, &(con->frame_buffer), p->color->background,
0, 0, br.x, r->height);
}
if (!(borders_to_hide & ADJ_RIGHT_SCREEN_EDGE)) {
xcb_rectangle_t rightline = {r->width + (br.width + br.x), 0, -(br.width + br.x), r->height};
xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, 1, &rightline);
draw_util_rectangle(conn, &(con->frame_buffer), p->color->background,
r->width + (br.width + br.x), 0, -(br.width + br.x), r->height);
}
if (!(borders_to_hide & ADJ_LOWER_SCREEN_EDGE)) {
xcb_rectangle_t bottomline = {br.x, r->height + (br.height + br.y), r->width + br.width, -(br.height + br.y)};
xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, 1, &bottomline);
draw_util_rectangle(conn, &(con->frame_buffer), p->color->background,
br.x, r->height + (br.height + br.y), r->width + br.width, -(br.height + br.y));
}
/* 1pixel border needs an additional line at the top */
/* pixel border needs an additional line at the top */
if (p->border_style == BS_PIXEL && !(borders_to_hide & ADJ_UPPER_SCREEN_EDGE)) {
xcb_rectangle_t topline = {br.x, 0, r->width + br.width, br.y};
xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, 1, &topline);
draw_util_rectangle(conn, &(con->frame_buffer), p->color->background,
br.x, 0, r->width + br.width, br.y);
}
/* Highlight the side of the border at which the next window will be
@ -463,13 +488,13 @@ void x_draw_decoration(Con *con) {
if (TAILQ_NEXT(con, nodes) == NULL &&
TAILQ_PREV(con, nodes_head, nodes) == NULL &&
con->parent->type != CT_FLOATING_CON) {
xcb_change_gc(conn, con->pm_gc, XCB_GC_FOREGROUND, (uint32_t[]){p->color->indicator});
if (p->parent_layout == L_SPLITH)
xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, 1, (xcb_rectangle_t[]){
{r->width + (br.width + br.x), br.y, -(br.width + br.x), r->height + br.height}});
else if (p->parent_layout == L_SPLITV)
xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, 1, (xcb_rectangle_t[]){
{br.x, r->height + (br.height + br.y), r->width + br.width, -(br.height + br.y)}});
if (p->parent_layout == L_SPLITH) {
draw_util_rectangle(conn, &(con->frame_buffer), p->color->indicator,
r->width + (br.width + br.x), br.y, -(br.width + br.x), r->height + br.height);
} else if (p->parent_layout == L_SPLITV) {
draw_util_rectangle(conn, &(con->frame_buffer), p->color->indicator,
br.x, r->height + (br.height + br.y), r->width + br.width, -(br.height + br.y));
}
}
}
@ -478,31 +503,27 @@ void x_draw_decoration(Con *con) {
if (p->border_style != BS_NORMAL)
goto copy_pixmaps;
/* If the parent hasn't been set up yet, skip the decoration rendering
* for now. */
if (parent->frame_buffer.id == XCB_NONE)
goto copy_pixmaps;
/* For the first child, we clear the parent pixmap to ensure there's no
* garbage left on there. This is important to avoid tearing when using
* transparency. */
if (con == TAILQ_FIRST(&(con->parent->nodes_head))) {
draw_util_clear_surface(conn, &(con->parent->frame_buffer), COLOR_TRANSPARENT);
FREE(con->parent->deco_render_params);
}
/* 4: paint the bar */
xcb_change_gc(conn, parent->pm_gc, XCB_GC_FOREGROUND, (uint32_t[]){p->color->background});
xcb_rectangle_t drect = {con->deco_rect.x, con->deco_rect.y, con->deco_rect.width, con->deco_rect.height};
xcb_poly_fill_rectangle(conn, parent->pixmap, parent->pm_gc, 1, &drect);
draw_util_rectangle(conn, &(parent->frame_buffer), p->color->background,
con->deco_rect.x, con->deco_rect.y, con->deco_rect.width, con->deco_rect.height);
/* 5: draw two unconnected horizontal lines in border color */
xcb_change_gc(conn, parent->pm_gc, XCB_GC_FOREGROUND, (uint32_t[]){p->color->border});
Rect *dr = &(con->deco_rect);
adjacent_t borders_to_hide = con_adjacent_borders(con) & config.hide_edge_borders;
int deco_diff_l = borders_to_hide & ADJ_LEFT_SCREEN_EDGE ? 0 : con->current_border_width;
int deco_diff_r = borders_to_hide & ADJ_RIGHT_SCREEN_EDGE ? 0 : con->current_border_width;
if (parent->layout == L_TABBED ||
(parent->layout == L_STACKED && TAILQ_NEXT(con, nodes) != NULL)) {
deco_diff_l = 0;
deco_diff_r = 0;
}
xcb_segment_t segments[] = {
{dr->x, dr->y,
dr->x + dr->width - 1, dr->y},
{dr->x + deco_diff_l, dr->y + dr->height - 1,
dr->x - deco_diff_r + dr->width - 1, dr->y + dr->height - 1}};
xcb_poly_segment(conn, parent->pixmap, parent->pm_gc, 2, segments);
x_draw_decoration_border(con, p);
/* 6: draw the title */
set_font_colors(parent->pm_gc, p->color->text, p->color->background);
int text_offset_y = (con->deco_rect.height - config.font.height) / 2;
struct Window *win = con->window;
@ -510,16 +531,18 @@ void x_draw_decoration(Con *con) {
/* we have a split container which gets a representation
* of its children as title
*/
char *title;
char *_title;
char *tree = con_get_tree_representation(con);
sasprintf(&title, "i3: %s", tree);
sasprintf(&_title, "i3: %s", tree);
free(tree);
draw_text_ascii(title,
parent->pixmap, parent->pm_gc,
i3String *title = i3string_from_utf8(_title);
draw_util_text(title, &(parent->frame_buffer),
p->color->text, p->color->background,
con->deco_rect.x + 2, con->deco_rect.y + text_offset_y,
con->deco_rect.width - 2);
free(title);
FREE(_title);
I3STRING_FREE(title);
goto after_title;
}
@ -565,7 +588,8 @@ void x_draw_decoration(Con *con) {
i3String *mark = i3string_from_utf8(formatted_mark);
mark_width = predict_text_width(mark);
draw_text(mark, parent->pixmap, parent->pm_gc, NULL,
draw_util_text(mark, &(parent->frame_buffer),
p->color->text, p->color->background,
con->deco_rect.x + con->deco_rect.width - mark_width - logical_px(2),
con->deco_rect.y + text_offset_y, mark_width);
@ -576,41 +600,17 @@ void x_draw_decoration(Con *con) {
}
i3String *title = win->title_format == NULL ? win->name : window_parse_title_format(win);
draw_text(title,
parent->pixmap, parent->pm_gc, NULL,
draw_util_text(title, &(parent->frame_buffer),
p->color->text, p->color->background,
con->deco_rect.x + logical_px(2) + indent_px, con->deco_rect.y + text_offset_y,
con->deco_rect.width - logical_px(2) - indent_px - mark_width - logical_px(2));
if (win->title_format != NULL)
I3STRING_FREE(title);
after_title:
/* Since we don’t clip the text at all, it might in some cases be painted
* on the border pixels on the right side of a window. Therefore, we draw
* the right border again after rendering the text (and the unconnected
* lines in border color). */
/* Draw a 1px separator line before and after every tab, so that tabs can
* be easily distinguished. */
if (parent->layout == L_TABBED) {
xcb_change_gc(conn, parent->pm_gc, XCB_GC_FOREGROUND, (uint32_t[]){p->color->border});
} else {
xcb_change_gc(conn, parent->pm_gc, XCB_GC_FOREGROUND, (uint32_t[]){p->color->background});
}
xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, parent->pixmap, parent->pm_gc, 6,
(xcb_point_t[]){
{dr->x + dr->width, dr->y},
{dr->x + dr->width, dr->y + dr->height},
{dr->x + dr->width - 1, dr->y},
{dr->x + dr->width - 1, dr->y + dr->height},
{dr->x, dr->y + dr->height},
{dr->x, dr->y},
});
xcb_change_gc(conn, parent->pm_gc, XCB_GC_FOREGROUND, (uint32_t[]){p->color->border});
xcb_poly_segment(conn, parent->pixmap, parent->pm_gc, 2, segments);
x_draw_decoration_after_title(con, p);
copy_pixmaps:
xcb_copy_area(conn, con->pixmap, con->frame, con->pm_gc, 0, 0, 0, 0, con->rect.width, con->rect.height);
draw_util_copy_surface(conn, &(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
}
/*
@ -623,7 +623,7 @@ void x_deco_recurse(Con *con) {
Con *current;
bool leaf = TAILQ_EMPTY(&(con->nodes_head)) &&
TAILQ_EMPTY(&(con->floating_head));
con_state *state = state_for_frame(con->frame);
con_state *state = state_for_frame(con->frame.id);
if (!leaf) {
TAILQ_FOREACH(current, &(con->nodes_head), nodes)
@ -632,8 +632,9 @@ void x_deco_recurse(Con *con) {
TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
x_deco_recurse(current);
if (state->mapped)
xcb_copy_area(conn, con->pixmap, con->frame, con->pm_gc, 0, 0, 0, 0, con->rect.width, con->rect.height);
if (state->mapped) {
draw_util_copy_surface(conn, &(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
}
}
if ((con->type != CT_ROOT && con->type != CT_OUTPUT) &&
@ -650,7 +651,7 @@ static void set_hidden_state(Con *con) {
return;
}
con_state *state = state_for_frame(con->frame);
con_state *state = state_for_frame(con->frame.id);
bool should_be_hidden = con_is_hidden(con);
if (should_be_hidden == state->is_hidden)
return;
@ -678,12 +679,12 @@ void x_push_node(Con *con) {
Rect rect = con->rect;
//DLOG("Pushing changes for node %p / %s\n", con, con->name);
state = state_for_frame(con->frame);
state = state_for_frame(con->frame.id);
if (state->name != NULL) {
DLOG("pushing name %s for con %p\n", state->name, con);
xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->frame,
xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->frame.id,
XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 8, strlen(state->name), state->name);
FREE(state->name);
}
@ -716,7 +717,7 @@ void x_push_node(Con *con) {
xcb_change_window_attributes(conn, state->old_frame, XCB_CW_EVENT_MASK, values);
xcb_change_window_attributes(conn, con->window->id, XCB_CW_EVENT_MASK, values);
xcb_reparent_window(conn, con->window->id, con->frame, 0, 0);
xcb_reparent_window(conn, con->window->id, con->frame.id, 0, 0);
values[0] = FRAME_EVENT_MASK;
xcb_change_window_attributes(conn, state->old_frame, XCB_CW_EVENT_MASK, values);
@ -738,10 +739,16 @@ void x_push_node(Con *con) {
con->parent->layout == L_STACKED ||
con->parent->layout == L_TABBED);
/* The root con and output cons will never require a pixmap. In particular for the
* __i3 output, this will likely not work anyway because it might be ridiculously
* large, causing an XCB_ALLOC error. */
if (con->type == CT_ROOT || con->type == CT_OUTPUT)
is_pixmap_needed = false;
bool fake_notify = false;
/* Set new position if rect changed (and if height > 0) or if the pixmap
* needs to be recreated */
if ((is_pixmap_needed && con->pixmap == XCB_NONE) || (memcmp(&(state->rect), &rect, sizeof(Rect)) != 0 &&
if ((is_pixmap_needed && con->frame_buffer.id == XCB_NONE) || (memcmp(&(state->rect), &rect, sizeof(Rect)) != 0 &&
rect.height > 0)) {
/* We first create the new pixmap, then render to it, set it as the
* background and only afterwards change the window size. This reduces
@ -755,38 +762,47 @@ void x_push_node(Con *con) {
/* Check if the container has an unneeded pixmap left over from
* previously having a border or titlebar. */
if (!is_pixmap_needed && con->pixmap != XCB_NONE) {
xcb_free_pixmap(conn, con->pixmap);
con->pixmap = XCB_NONE;
if (!is_pixmap_needed && con->frame_buffer.id != XCB_NONE) {
draw_util_surface_free(conn, &(con->frame_buffer));
xcb_free_pixmap(conn, con->frame_buffer.id);
con->frame_buffer.id = XCB_NONE;
}
if (is_pixmap_needed && (has_rect_changed || con->pixmap == XCB_NONE)) {
if (con->pixmap == 0) {
con->pixmap = xcb_generate_id(conn);
con->pm_gc = xcb_generate_id(conn);
if (is_pixmap_needed && (has_rect_changed || con->frame_buffer.id == XCB_NONE)) {
if (con->frame_buffer.id == XCB_NONE) {
con->frame_buffer.id = xcb_generate_id(conn);
} else {
xcb_free_pixmap(conn, con->pixmap);
xcb_free_gc(conn, con->pm_gc);
draw_util_surface_free(conn, &(con->frame_buffer));
xcb_free_pixmap(conn, con->frame_buffer.id);
}
uint16_t win_depth = root_depth;
if (con->window)
win_depth = con->window->depth;
xcb_create_pixmap(conn, win_depth, con->pixmap, con->frame, rect.width, rect.height);
/* Ensure we have valid dimensions for our surface. */
// TODO This is probably a bug in the condition above as we should never enter this path
// for height == 0. Also, we should probably handle width == 0 the same way.
int width = MAX(rect.width, 1);
int height = MAX(rect.height, 1);
xcb_create_pixmap_checked(conn, win_depth, con->frame_buffer.id, con->frame.id, width, height);
draw_util_surface_init(conn, &(con->frame_buffer), con->frame_buffer.id,
get_visualtype_by_id(get_visualid_by_depth(win_depth)), width, height);
/* For the graphics context, we disable GraphicsExposure events.
* Those will be sent when a CopyArea request cannot be fulfilled
* properly due to parts of the source being unmapped or otherwise
* unavailable. Since we always copy from pixmaps to windows, this
* is not a concern for us. */
uint32_t values[] = {0};
xcb_create_gc(conn, con->pm_gc, con->pixmap, XCB_GC_GRAPHICS_EXPOSURES, values);
xcb_change_gc(conn, con->frame_buffer.gc, XCB_GC_GRAPHICS_EXPOSURES, (uint32_t[]){0});
draw_util_surface_set_size(&(con->frame), width, height);
con->pixmap_recreated = true;
/* Don’t render the decoration for windows inside a stack which are
* not visible right now */
// TODO Should this work the same way for L_TABBED?
if (!con->parent ||
con->parent->layout != L_STACKED ||
TAILQ_FIRST(&(con->parent->focus_head)) == con)
@ -802,9 +818,10 @@ void x_push_node(Con *con) {
* window get lost when resizing it, therefore we want to provide it as
* fast as possible) */
xcb_flush(conn);
xcb_set_window_rect(conn, con->frame, rect);
if (con->pixmap != XCB_NONE)
xcb_copy_area(conn, con->pixmap, con->frame, con->pm_gc, 0, 0, 0, 0, con->rect.width, con->rect.height);
xcb_set_window_rect(conn, con->frame.id, rect);
if (con->frame_buffer.id != XCB_NONE) {
draw_util_copy_surface(conn, &(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
}
xcb_flush(conn);
memcpy(&(state->rect), &rect, sizeof(Rect));
@ -848,17 +865,18 @@ void x_push_node(Con *con) {
state->child_mapped = true;
}
cookie = xcb_map_window(conn, con->frame);
cookie = xcb_map_window(conn, con->frame.id);
values[0] = FRAME_EVENT_MASK;
xcb_change_window_attributes(conn, con->frame, XCB_CW_EVENT_MASK, values);
xcb_change_window_attributes(conn, con->frame.id, XCB_CW_EVENT_MASK, values);
/* copy the pixmap contents to the frame window immediately after mapping */
if (con->pixmap != XCB_NONE)
xcb_copy_area(conn, con->pixmap, con->frame, con->pm_gc, 0, 0, 0, 0, con->rect.width, con->rect.height);
if (con->frame_buffer.id != XCB_NONE) {
draw_util_copy_surface(conn, &(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
}
xcb_flush(conn);
DLOG("mapping container %08x (serial %d)\n", con->frame, cookie.sequence);
DLOG("mapping container %08x (serial %d)\n", con->frame.id, cookie.sequence);
state->mapped = con->mapped;
}
@ -892,7 +910,7 @@ static void x_push_node_unmaps(Con *con) {
con_state *state;
//DLOG("Pushing changes (with unmaps) for node %p / %s\n", con, con->name);
state = state_for_frame(con->frame);
state = state_for_frame(con->frame.id);
/* map/unmap if map state changed, also ensure that the child window
* is changed if we are mapped *and* in initial state (meaning the
@ -906,14 +924,14 @@ static void x_push_node_unmaps(Con *con) {
A_WM_STATE, A_WM_STATE, 32, 2, data);
}
cookie = xcb_unmap_window(conn, con->frame);
cookie = xcb_unmap_window(conn, con->frame.id);
DLOG("unmapping container %p / %s (serial %d)\n", con, con->name, cookie.sequence);
/* we need to increase ignore_unmap for this container (if it
* contains a window) and for every window "under" this one which
* contains a window */
if (con->window != NULL) {
con->ignore_unmap++;
DLOG("ignore_unmap for con %p (frame 0x%08x) now %d\n", con, con->frame, con->ignore_unmap);
DLOG("ignore_unmap for con %p (frame 0x%08x) now %d\n", con, con->frame.id, con->ignore_unmap);
}
state->mapped = con->mapped;
}
@ -1067,7 +1085,7 @@ void x_push_changes(Con *con) {
x_deco_recurse(con);
xcb_window_t to_focus = focused->frame;
xcb_window_t to_focus = focused->frame.id;
if (focused->window != NULL)
to_focus = focused->window->id;
@ -1161,7 +1179,7 @@ void x_push_changes(Con *con) {
*/
void x_raise_con(Con *con) {
con_state *state;
state = state_for_frame(con->frame);
state = state_for_frame(con->frame.id);
//DLOG("raising in new stack: %p / %s / %s / xid %08x\n", con, con->name, con->window ? con->window->name_json : "", state->id);
CIRCLEQ_REMOVE(&state_head, state, state);
@ -1177,7 +1195,7 @@ void x_raise_con(Con *con) {
void x_set_name(Con *con, const char *name) {
struct con_state *state;
if ((state = state_for_frame(con->frame)) == NULL) {
if ((state = state_for_frame(con->frame.id)) == NULL) {
ELOG("window state not found\n");
return;
}

21
src/xcb.c
View File

@ -253,6 +253,27 @@ uint16_t get_visual_depth(xcb_visualid_t visual_id) {
return 0;
}
/*
* Get visual type specified by visualid
*
*/
xcb_visualtype_t *get_visualtype_by_id(xcb_visualid_t visual_id) {
xcb_depth_iterator_t depth_iter;
depth_iter = xcb_screen_allowed_depths_iterator(root_screen);
for (; depth_iter.rem; xcb_depth_next(&depth_iter)) {
xcb_visualtype_iterator_t visual_iter;
visual_iter = xcb_depth_visuals_iterator(depth_iter.data);
for (; visual_iter.rem; xcb_visualtype_next(&visual_iter)) {
if (visual_id == visual_iter.data->visual_id) {
return visual_iter.data;
}
}
}
return 0;
}
/*
* Get visualid with specified depth
*