├── .gitignore ├── COPYING ├── ChangeLog ├── Makefile.am ├── README.md ├── configure.ac ├── doc └── xiccd.8 ├── etc ├── systemd │ ├── functions.sh │ └── xiccd.service └── xdg │ └── xiccd.desktop └── src ├── icc.c ├── icc.h ├── randr-conn-private.c ├── randr-conn-private.h ├── randr-conn.c ├── randr-conn.h └── xiccd.c /.gitignore: -------------------------------------------------------------------------------- 1 | ### Autotools ### 2 | # http://www.gnu.org/software/automake 3 | 4 | Makefile.in 5 | /ar-lib 6 | /mdate-sh 7 | /py-compile 8 | /test-driver 9 | /ylwrap 10 | .deps/ 11 | .dirstamp 12 | 13 | # http://www.gnu.org/software/autoconf 14 | 15 | autom4te.cache 16 | /autoscan.log 17 | /autoscan-*.log 18 | /aclocal.m4 19 | /compile 20 | /config.cache 21 | /config.guess 22 | /config.h.in 23 | /config.log 24 | /config.status 25 | /config.sub 26 | /configure 27 | /configure.scan 28 | /depcomp 29 | /install-sh 30 | /missing 31 | /stamp-h1 32 | 33 | # https://www.gnu.org/software/libtool 34 | 35 | /ltmain.sh 36 | 37 | # http://www.gnu.org/software/texinfo 38 | 39 | /texinfo.tex 40 | 41 | # http://www.gnu.org/software/m4 42 | 43 | m4/libtool.m4 44 | m4/ltoptions.m4 45 | m4/ltsugar.m4 46 | m4/ltversion.m4 47 | m4/lt~obsolete.m4 48 | 49 | # Generated Makefile 50 | Makefile 51 | 52 | ### Autotools Patch ### 53 | 54 | ### C ### 55 | # Prerequisites 56 | *.d 57 | 58 | # Object files 59 | *.o 60 | *.ko 61 | *.obj 62 | *.elf 63 | 64 | # Linker output 65 | *.ilk 66 | *.map 67 | *.exp 68 | 69 | # Precompiled Headers 70 | *.gch 71 | *.pch 72 | 73 | # Libraries 74 | *.lib 75 | *.a 76 | *.la 77 | *.lo 78 | 79 | # Shared objects (inc. Windows DLLs) 80 | *.dll 81 | *.so 82 | *.so.* 83 | *.dylib 84 | 85 | # Executables 86 | *.exe 87 | *.out 88 | *.app 89 | *.i*86 90 | *.x86_64 91 | *.hex 92 | /xiccd 93 | 94 | # Debug files 95 | *.dSYM/ 96 | *.su 97 | *.idb 98 | *.pdb 99 | -------------------------------------------------------------------------------- /COPYING: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. 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Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /ChangeLog: -------------------------------------------------------------------------------- 1 | xiccd 0.4.0 2 | * Compatibility update 3 | * Use standard EDID parser instead of the own one 4 | * Various small cleanups 5 | 6 | xiccd 0.3.0 7 | 8 | * Correct X property setting for multiple screens 9 | * Race fixes 10 | * Memory leak fixes 11 | * Add desktop files 12 | 13 | xiccd 0.2.3 14 | 15 | * Removed obsolete DMI support 16 | * xiccd now registers OutputEdidMd5 property for devices 17 | 18 | xiccd 0.2.2 19 | 20 | * Coredump fix 21 | * XRandR hotplug fix 22 | 23 | xiccd 0.2.1 24 | 25 | * Bugfixes 26 | 27 | xiccd 0.2.0 28 | 29 | * Use new libcolord API (1.0.2 or higher) 30 | 31 | xiccd 0.1.1 32 | 33 | * Fix memory leak 34 | * Fix device naming 35 | 36 | xiccd 0.1.0 37 | 38 | * Initial release. 39 | -------------------------------------------------------------------------------- /Makefile.am: -------------------------------------------------------------------------------- 1 | AUTOMAKE_OPTIONS = subdir-objects 2 | 3 | bin_PROGRAMS = xiccd 4 | 5 | xiccd_SOURCES = \ 6 | src/xiccd.c \ 7 | src/icc.h src/icc.c \ 8 | src/randr-conn.h src/randr-conn.c \ 9 | src/randr-conn-private.h src/randr-conn-private.c 10 | 11 | AM_CFLAGS = -Wall -Wextra -pedantic \ 12 | $(GLIB_CFLAGS) $(X11_CFLAGS) $(XRANDR_CFLAGS) $(COLORD_CFLAGS) 13 | xiccd_LDADD = $(GLIB_LIBS) $(X11_LIBS) $(XRANDR_LIBS) $(COLORD_LIBS) 14 | 15 | dist_man_MANS = doc/xiccd.8 16 | dist_doc_DATA = README.md 17 | 18 | autostartdir = $(sysconfdir)/xdg/autostart 19 | autostart_DATA = etc/xdg/xiccd.desktop 20 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Xiccd 2 | 3 | A simple bridge between colord and X. It does the following tasks: 4 | 5 | - Enumerates displays and register them in colord. 6 | - Creates default ICC profiles based on EDID data. 7 | - Applies ICC profiles provided by colord. 8 | - Maintains user's private ICC storage directory. 9 | 10 | The primary goal of xiccd is providing color profile support for 11 | desktop environments other than Gnome and KDE (Xfce, LXDE, and probably 12 | others) that don't support native color management yet. 13 | 14 | It does basically the same as the `gnome-settings-daemon` color plugin 15 | or `colord-kde` but doesn't depend on any particular desktop. 16 | It doesn't even depend on GTK so it doesn't create a unnecessary GTK3 17 | dependency if the desktop environment is GTK2-based or vice versa. 18 | 19 | ## Dependencies 20 | 21 | Xiccd depends only on: 22 | 23 | - GLib 24 | - colord 25 | - libxrandr 26 | 27 | And to build, the following are required: 28 | 29 | - Autoconf 30 | - Automake 31 | - Make 32 | - Git 33 | 34 | You can install all of the above with the commands: 35 | 36 | ```sh 37 | # For Debian, Ubuntu, and derivatives: 38 | apt install build-essential libglib2.0-dev libcolord-dev libxrandr-dev git 39 | 40 | # For Arch, Manjaro, and derivatives: 41 | pacman -S base-devel glib2 colord libxrandr git 42 | ``` 43 | 44 | ## Installation 45 | 46 | Xiccd uses Autotools to build, so if you've checked out the source code 47 | with `git`, you'll probably need to generate the build scripts with the 48 | following commands: 49 | 50 | ```sh 51 | aclocal 52 | autoconf 53 | automake --add-missing --foreign 54 | ``` 55 | 56 | Once that's done, you'll be able to build and install the program with 57 | the traditional Make commands: 58 | 59 | ```sh 60 | ./configure 61 | make 62 | make install 63 | ``` 64 | 65 | which will install Xiccd into `/usr/local` by default. 66 | The usual conventions (`PREFIX`, `DESTDIR`, etc.) are respected. 67 | -------------------------------------------------------------------------------- /configure.ac: -------------------------------------------------------------------------------- 1 | AC_PREREQ([2.69]) 2 | AC_INIT([xiccd], [m4_esyscmd_s([git describe --abbrev=7 --dirty --always --tags])]) 3 | 4 | AC_CONFIG_SRCDIR([src/xiccd.c]) 5 | 6 | AM_INIT_AUTOMAKE([1.9 no-dist-gzip dist-xz tar-ustar]) 7 | AC_LANG([C]) 8 | AC_PROG_CC 9 | 10 | PKG_CHECK_MODULES(X11, x11) 11 | PKG_CHECK_MODULES(XRANDR, xrandr >= 1.3) 12 | PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.36) 13 | PKG_CHECK_MODULES(COLORD, colord >= 1.0.2) 14 | 15 | AC_CONFIG_FILES([Makefile]) 16 | AC_OUTPUT 17 | -------------------------------------------------------------------------------- /doc/xiccd.8: -------------------------------------------------------------------------------- 1 | .TH XICCD "8" "March 2016" "xiccd" "System Administration Utilities" 2 | .SH NAME 3 | xiccd \- X color management daemon 4 | .SH SYNOPSIS 5 | .B xiccd [OPTION...] 6 | .SH DESCRIPTION 7 | xiccd is a simple bridge between colord and X. It performs the following 8 | tasks: 9 | .PP 10 | * Enumerating displays and registering them in colord; 11 | * Creating default ICC profiles based on EDID data; 12 | * Applying ICC profiles provided by colord; 13 | * Maintaining the user's private ICC storage directory. 14 | .PP 15 | It does not depend on any particular desktop environment nor toolkit and it 16 | should not be used in desktop environments that support color management 17 | natively, like GNOME and KDE do. 18 | .PP 19 | xiccd is usually automatically invoked by your desktop environment via 20 | .B /etc/xdg/autostart 21 | and there should not be any need to invoke this binary manually. 22 | .SS "Help Options:" 23 | .TP 24 | \fB\-h\fR, \fB\-\-help\fR 25 | Show help options 26 | .SS "Application Options:" 27 | .TP 28 | \fB\-V\fR, \fB\-\-version\fR 29 | Show version 30 | .TP 31 | \fB\-d\fR DISPLAY, \fB\-\-display\fR DISPLAY 32 | X server to contact 33 | .TP 34 | \fB\-e\fR, \fB\-\-edid\fR 35 | Generate profiles by monitor EDID 36 | .SH AUTHORS 37 | .B xiccd 38 | was primarily written by Alexey Galakhov . This manual page 39 | was written by Faidon Liambotis for the Debian project. 40 | -------------------------------------------------------------------------------- /etc/systemd/functions.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | Service="xiccd.service" 4 | 5 | 6 | post_install () { 7 | if [[ "$(whoami)" == "root" ]]; then 8 | systemctl --user --global enable "${Service}" 9 | CommandForAllUsers systemctl --user start "${Service}" 10 | fi 11 | } 12 | 13 | 14 | pre_remove () { 15 | if [[ "$(whoami)" == "root" ]]; then 16 | CommandForAllUsers systemctl --user stop "${Service}" 17 | systemctl --user --global disable "${Service}" 18 | fi 19 | } 20 | 21 | 22 | post_remove () { 23 | if [[ "$(whoami)" == "root" ]]; then 24 | CommandForAllUsers systemctl --user daemon-reload 25 | fi 26 | } 27 | 28 | 29 | post_upgrade () { 30 | post_remove 31 | post_install 32 | } 33 | 34 | 35 | CommandAsUser () { 36 | local user="${1}" 37 | local command="${*:2}" 38 | 39 | local userId; userId="$(id --user "${user}")" 40 | local bus="unix:path=/run/user/${userId}/bus" 41 | local sudoAsUser="sudo -u ${user} DBUS_SESSION_BUS_ADDRESS=${bus}" 42 | 43 | #shellcheck disable=SC2086 44 | ${sudoAsUser} ${command} 45 | } 46 | 47 | 48 | CommandForAllUsers () { 49 | local command="${*}" 50 | local users; readarray -t users <<< "$(loginctl --no-legend list-users | awk '{print $2;}')" 51 | 52 | for user in "${users[@]}"; do 53 | CommandAsUser "${user}" "${command}" 54 | done 55 | } 56 | 57 | -------------------------------------------------------------------------------- /etc/systemd/xiccd.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=Xiccd Screen Color Profiler 3 | Documentation=man:xiccd(8) 4 | PartOf=dbus.service 5 | After=dbus.service 6 | 7 | [Service] 8 | ExecStart=/usr/bin/xiccd 9 | Restart=always 10 | 11 | [Install] 12 | WantedBy=dbus.service 13 | -------------------------------------------------------------------------------- /etc/xdg/xiccd.desktop: -------------------------------------------------------------------------------- 1 | [Desktop Entry] 2 | Exec=xiccd 3 | Name=xiccd 4 | GenericName=X Color Management Daemon 5 | Comment=Applies color management profiles to your session 6 | Terminal=false 7 | Type=Application 8 | NotShowIn=GNOME;KDE; 9 | -------------------------------------------------------------------------------- /src/icc.c: -------------------------------------------------------------------------------- 1 | #include "icc.h" 2 | #include 3 | #include 4 | #include 5 | #include 6 | 7 | static void 8 | reset_gamma (XRRCrtcGamma *gamma) 9 | { 10 | int i; 11 | for (i = 0; i < gamma->size; ++i) { 12 | guint value = i * 0xFFFF / (gamma->size - 1); 13 | gamma->red[i] = value; 14 | gamma->green[i] = value; 15 | gamma->blue[i] = value; 16 | } 17 | } 18 | 19 | void 20 | icc_to_gamma (XRRCrtcGamma *gamma, CdIcc *icc) 21 | { 22 | GPtrArray *vcgt = NULL; 23 | guint i; 24 | 25 | if (! icc) { 26 | reset_gamma (gamma); 27 | goto out; 28 | } 29 | 30 | vcgt = cd_icc_get_vcgt (icc, gamma->size, NULL); 31 | if (! vcgt) { 32 | g_debug ("ICC profile has no VCGT"); 33 | reset_gamma (gamma); 34 | goto out; 35 | } 36 | 37 | g_assert (vcgt->len == (guint) gamma->size); 38 | 39 | for (i = 0; i < vcgt->len; ++i) { 40 | CdColorRGB *color = (CdColorRGB *) g_ptr_array_index (vcgt, i); 41 | gamma->red[i] = color->R * 0xFFFF; 42 | gamma->green[i] = color->G * 0xFFFF; 43 | gamma->blue[i] = color->B * 0xFFFF; 44 | } 45 | 46 | out: 47 | if (vcgt) 48 | g_ptr_array_unref (vcgt); 49 | } 50 | 51 | 52 | CdIcc * 53 | icc_from_edid (CdEdid *edid) 54 | { 55 | CdIcc *icc; 56 | GError *err = NULL; 57 | gboolean ret; 58 | 59 | if (! edid) 60 | return NULL; 61 | 62 | icc = cd_icc_new (); 63 | ret = cd_icc_create_from_edid_data (icc, edid, &err); 64 | if (! ret) { 65 | g_critical ("unable to create profile from EDID: %s", err->message); 66 | g_error_free (err); 67 | return NULL; 68 | } 69 | 70 | cd_icc_set_kind (icc, CD_PROFILE_KIND_DISPLAY_DEVICE); 71 | 72 | cd_icc_add_metadata (icc, CD_PROFILE_METADATA_CMF_PRODUCT, PACKAGE); 73 | cd_icc_add_metadata (icc, CD_PROFILE_METADATA_CMF_BINARY, g_get_prgname ()); 74 | cd_icc_add_metadata (icc, CD_PROFILE_METADATA_CMF_VERSION, VERSION); 75 | 76 | return icc; 77 | } 78 | 79 | gchar * 80 | icc_identify (GFile *file) 81 | { 82 | gchar *retval = NULL; 83 | CdIcc *icc = cd_icc_new (); 84 | gboolean ret; 85 | 86 | ret = cd_icc_load_file (icc, file, CD_ICC_LOAD_FLAGS_FALLBACK_MD5, NULL, NULL); 87 | if (! ret) 88 | goto out; 89 | 90 | retval = g_strdup (cd_icc_get_checksum (icc)); 91 | 92 | out: 93 | g_object_unref (icc); 94 | return retval; 95 | } 96 | 97 | /* vim: set ts=8 sw=8 tw=0 : */ 98 | -------------------------------------------------------------------------------- /src/icc.h: -------------------------------------------------------------------------------- 1 | #ifndef __ICC_H__ 2 | #define __ICC_H__ 3 | 4 | #include 5 | #include 6 | #include 7 | 8 | void icc_to_gamma (XRRCrtcGamma *gamma, CdIcc *icc); 9 | CdIcc *icc_from_edid (CdEdid *edid); 10 | gchar *icc_identify (GFile *file); 11 | 12 | #endif /* __ICC_H__ */ 13 | 14 | /* vim: set ts=8 sw=8 tw=0 : */ 15 | -------------------------------------------------------------------------------- /src/randr-conn-private.c: -------------------------------------------------------------------------------- 1 | #include "icc.h" 2 | #include "randr-conn.h" 3 | #include "randr-conn-private.h" 4 | #include 5 | #include 6 | #include 7 | #include 8 | #include 9 | #include 10 | #include 11 | 12 | static void 13 | print_x_error (struct randr_conn *conn, int err, const gchar *msg) 14 | { 15 | char text[1024]; 16 | XGetErrorText (conn->dpy, err, text, sizeof(text)); 17 | g_critical ("X error: %s: %s", msg, text); 18 | } 19 | 20 | static void 21 | x_free_func (void *obj) 22 | { 23 | XFree (obj); 24 | } 25 | 26 | static GBytes * 27 | get_output_property (struct randr_conn *conn, RROutput out, Atom prop, Atom type, int fmt) 28 | { 29 | Atom act_type; 30 | int act_fmt; 31 | unsigned long size; 32 | unsigned long bytes_after; 33 | unsigned char *data; 34 | 35 | if (prop == None) 36 | return NULL; 37 | 38 | XRRGetOutputProperty (conn->dpy, out, prop, 0, 100, False, False, 39 | AnyPropertyType, &act_type, &act_fmt, 40 | &size, &bytes_after, &data); 41 | 42 | if (act_type != type || act_fmt != fmt || size == 0) { 43 | XFree (data); 44 | return NULL; 45 | } 46 | 47 | return g_bytes_new_with_free_func (data, size * (fmt / 8), x_free_func, data); 48 | } 49 | 50 | static gboolean 51 | get_output_property_atom (struct randr_conn *conn, RROutput out, Atom prop, const gchar *value_eq) 52 | { 53 | char *str; 54 | Atom atom; 55 | gboolean retval = FALSE; 56 | GBytes *raw = get_output_property (conn, out, prop, XA_ATOM, 32); 57 | if (! raw) 58 | return retval; 59 | if (g_bytes_get_size (raw) != 4) 60 | goto out; 61 | atom = *((Atom *) g_bytes_get_data (raw, NULL)); 62 | str = XGetAtomName (conn->dpy, atom); 63 | if (str) { 64 | retval = (strcmp (value_eq, str) == 0); 65 | XFree (str); 66 | } 67 | out: 68 | g_bytes_unref (raw); 69 | return retval; 70 | } 71 | 72 | static void 73 | randr_display_free (struct randr_display_priv *disp) 74 | { 75 | if (disp->pub.name) 76 | g_free ((gpointer) disp->pub.name); 77 | if (disp->pub.xrandr_name) 78 | g_free ((gpointer) disp->pub.xrandr_name); 79 | g_object_unref(disp->pub.edid); 80 | g_free (disp); 81 | } 82 | 83 | static inline const gchar * 84 | make_name (struct randr_display_priv *disp, CdEdid *edid, gboolean use_edid) 85 | { 86 | int i = 0; 87 | const gchar *arr[16]; 88 | const gchar *retval; 89 | 90 | memset (arr, 0, sizeof(arr)); 91 | arr[i++] = "xrandr"; 92 | 93 | if (use_edid) { 94 | const gchar *vendor = cd_edid_get_vendor_name (edid); 95 | const gchar *model = cd_edid_get_monitor_name (edid); 96 | const gchar *serial = cd_edid_get_serial_number (edid); 97 | 98 | if (vendor) 99 | arr[i++] = vendor; 100 | if (model) 101 | arr[i++] = model; 102 | if (serial) 103 | arr[i++] = serial; 104 | } 105 | 106 | /* last resort: use xrandr name */ 107 | if (i <= 1) 108 | arr[i++] = disp->pub.xrandr_name; 109 | 110 | retval = g_strjoinv ("-", (gchar**)arr); 111 | 112 | return retval; 113 | } 114 | 115 | static inline gboolean 116 | is_laptop_conn (struct randr_conn *conn, RROutput out) 117 | { 118 | return get_output_property_atom (conn, out, conn->type_atom, "Panel"); 119 | } 120 | 121 | static inline gboolean 122 | is_laptop_name (const gchar *name) 123 | { 124 | guint i; 125 | static const gchar *const laptop_names[] = { 126 | "LVDS", "Lvds", "lvds", "LCD", "eDP", "DFP" 127 | }; 128 | for (i = 0; i < G_N_ELEMENTS (laptop_names); ++i) { 129 | if (strncmp (name, laptop_names[i], strlen (laptop_names [i])) == 0) 130 | return TRUE; 131 | } 132 | return FALSE; 133 | } 134 | 135 | static inline void 136 | populate_display (struct randr_display_priv *disp, GBytes *edid, RROutput out) 137 | { 138 | gsize edid_size = edid ? g_bytes_get_size (edid) : 0; 139 | 140 | disp->pub.is_laptop = is_laptop_conn (disp->conn, out) 141 | || is_laptop_name (disp->pub.xrandr_name); 142 | 143 | disp->pub.edid = cd_edid_new (); 144 | if (edid_size > 0) { 145 | GError *err = NULL; 146 | gboolean ok = cd_edid_parse (disp->pub.edid, edid, &err); 147 | if (! ok) { 148 | g_warning ("unable to parse ICC: %s", err->message); 149 | g_clear_error (&err); 150 | } 151 | } 152 | 153 | disp->pub.name = make_name (disp, disp->pub.edid, (edid_size != 0)); 154 | } 155 | 156 | static inline struct randr_display_priv * 157 | process_output (struct randr_conn *conn, XRRScreenResources *rsrc, 158 | RROutput out, int *outn) 159 | { 160 | struct randr_display_priv *disp = NULL; 161 | 162 | XRROutputInfo *inf = XRRGetOutputInfo (conn->dpy, rsrc, out); 163 | if (! inf) { 164 | g_critical ("XRRGetOutputInfo() failed"); 165 | return NULL; 166 | } 167 | 168 | if (inf->connection != RR_Disconnected) { 169 | GBytes *edid = get_output_property (conn, out, conn->edid_atom, XA_INTEGER, 8); 170 | 171 | disp = g_new0 (struct randr_display_priv, 1); 172 | disp->conn = conn; 173 | disp->pub.id = *outn; 174 | disp->pub.xrandr_name = g_strdup (inf->name); 175 | disp->crtc = inf->crtc; 176 | 177 | populate_display (disp, edid, out); 178 | 179 | if (edid) 180 | g_bytes_unref (edid); 181 | 182 | ++*outn; 183 | } 184 | 185 | XRRFreeOutputInfo (inf); 186 | 187 | return disp; 188 | } 189 | 190 | static inline void 191 | iterate_outputs (struct randr_conn *conn, int scr, GPtrArray *retval) 192 | { 193 | int io; 194 | int outn = 0; 195 | Window root = RootWindow (conn->dpy, scr); 196 | RROutput primary = XRRGetOutputPrimary (conn->dpy, root); 197 | XRRScreenResources *rsrc = 198 | XRRGetScreenResources (conn->dpy, root); 199 | if (! rsrc) { 200 | g_critical ("XRRGetScreenResources() failed" 201 | " at screen %i", scr); 202 | return; 203 | } 204 | 205 | for (io = 0; io < rsrc->noutput; ++io) { 206 | struct randr_display_priv *disp = 207 | process_output (conn, rsrc, rsrc->outputs[io], &outn); 208 | if (disp) { 209 | disp->root = root; /* more convenient to set it here */ 210 | disp->pub.is_primary = (rsrc->outputs[io] == primary); 211 | g_ptr_array_add (retval, disp); 212 | } 213 | } 214 | 215 | XRRFreeScreenResources (rsrc); 216 | } 217 | 218 | static inline GPtrArray * 219 | enum_displays (struct randr_conn *conn) 220 | { 221 | int scr; 222 | GPtrArray *retval = g_ptr_array_new_full (4, 223 | (GDestroyNotify) randr_display_free); 224 | for (scr = 0; scr < ScreenCount (conn->dpy); ++scr) { 225 | iterate_outputs (conn, scr, retval); 226 | } 227 | return retval; 228 | } 229 | 230 | static inline gboolean 231 | same_display (const struct randr_display *a, const struct randr_display *b) 232 | { 233 | return ! strcmp (a->name, b->name); 234 | } 235 | 236 | void 237 | randr_conn_private_update (struct randr_conn *conn) 238 | { 239 | guint i, j; 240 | GPtrArray *disps; 241 | GPtrArray *added_disps = g_ptr_array_new_full (4, NULL); 242 | GPtrArray *updated_disps = g_ptr_array_new_full (4, NULL); 243 | 244 | if (! conn->dpy) 245 | return; 246 | 247 | disps = enum_displays (conn); 248 | for (i = 0; i < disps->len; ++i) { 249 | gboolean found = FALSE; 250 | struct randr_display *disp = (struct randr_display *) 251 | g_ptr_array_index (disps, i); 252 | for (j = 0; j < conn->displays->len; ++j) { 253 | struct randr_display *odisp = (struct randr_display *) 254 | g_ptr_array_index (conn->displays, j); 255 | if (same_display (odisp, disp)) { 256 | g_ptr_array_remove_index_fast (conn->displays, j); 257 | g_ptr_array_add (updated_disps, disp); 258 | found = TRUE; 259 | break; 260 | } 261 | } 262 | if (found) 263 | continue; 264 | g_ptr_array_add (added_disps, disp); 265 | } 266 | 267 | for (j = 0; j < conn->displays->len; ++j) { 268 | const struct randr_display *odisp = (const struct randr_display *) 269 | g_ptr_array_index (conn->displays, j); 270 | g_signal_emit (conn->object, 271 | randr_signals[SIG_DISPLAY_REMOVED], 0, odisp); 272 | } 273 | 274 | g_ptr_array_unref (conn->displays); 275 | conn->displays = disps; 276 | 277 | /* emitting added and changed signals after conn->displays is set */ 278 | for (j = 0; j < added_disps->len; ++j) { 279 | const struct randr_display *disp = (const struct randr_display *) 280 | g_ptr_array_index (added_disps, j); 281 | g_signal_emit (conn->object, 282 | randr_signals[SIG_DISPLAY_ADDED], 0, disp); 283 | } 284 | 285 | for (j = 0; j < updated_disps->len; ++j) { 286 | const struct randr_display *disp = (const struct randr_display *) 287 | g_ptr_array_index (updated_disps, j); 288 | g_signal_emit (conn->object, 289 | randr_signals[SIG_DISPLAY_CHANGED], 0, disp); 290 | } 291 | 292 | g_ptr_array_unref (added_disps); 293 | g_ptr_array_unref (updated_disps); 294 | } 295 | 296 | 297 | static gboolean 298 | randr_source_prepare (GSource *source, gint *timeout) 299 | { 300 | (void) timeout; 301 | struct randr_source *src = (struct randr_source *) source; 302 | return (XPending (src->conn->dpy) > 0); 303 | } 304 | 305 | static gboolean 306 | randr_source_dispatch (GSource *source, GSourceFunc callback, gpointer user_data) 307 | { 308 | struct randr_conn *conn = ((struct randr_source *) source)->conn; 309 | gboolean happened = FALSE; 310 | (void) callback; 311 | (void) user_data; 312 | 313 | while (XPending (conn->dpy)) { 314 | XEvent ev; 315 | XNextEvent(conn->dpy, &ev); 316 | switch (ev.xany.type - conn->event_base) { 317 | case RRScreenChangeNotify: 318 | happened = TRUE; 319 | break; 320 | case RRNotify: 321 | switch (((const XRRNotifyEvent*)&ev)->subtype) { 322 | case RRNotify_CrtcChange: 323 | case RRNotify_OutputChange: 324 | happened = TRUE; 325 | break; 326 | default: 327 | break; 328 | } 329 | break; 330 | default: 331 | break; 332 | } 333 | } 334 | 335 | if (happened) 336 | randr_conn_private_update (conn); 337 | 338 | return TRUE; 339 | } 340 | 341 | static GSourceFuncs randr_source_funcs = { 342 | randr_source_prepare, 343 | NULL, /* check */ 344 | randr_source_dispatch, 345 | NULL, /* finalize */ 346 | NULL, /* closure_callback */ 347 | NULL /* closure_marshal */ 348 | }; 349 | 350 | static GSource * 351 | randr_source_new (struct randr_conn *conn) 352 | { 353 | GSource *retval; 354 | struct randr_source *src; 355 | 356 | retval = g_source_new (&randr_source_funcs, sizeof (struct randr_source)); 357 | g_source_set_name (retval, "RandrSource"); 358 | 359 | src = (struct randr_source *) retval; 360 | src->conn = conn; 361 | 362 | src->poll_fd.fd = ConnectionNumber (conn->dpy); 363 | src->poll_fd.events = G_IO_IN; 364 | g_source_add_poll (retval, &src->poll_fd); 365 | 366 | return retval; 367 | } 368 | 369 | static inline void 370 | setup_events (struct randr_conn *conn) 371 | { 372 | int s; 373 | for (s = 0; s < ScreenCount (conn->dpy); ++s) { 374 | Window w = RootWindow (conn->dpy, s); 375 | XRRSelectInput (conn->dpy, w, 376 | RRScreenChangeNotifyMask | 377 | RRCrtcChangeNotifyMask | 378 | RROutputChangeNotifyMask); 379 | } 380 | GSource *src = randr_source_new (conn); 381 | g_source_attach (src, NULL); 382 | g_source_unref (src); 383 | } 384 | 385 | void 386 | randr_conn_private_start (struct randr_conn *conn) 387 | { 388 | randr_conn_private_update (conn); 389 | setup_events (conn); 390 | } 391 | 392 | void 393 | randr_conn_private_init (struct randr_conn *conn, const gchar *disp_name) 394 | { 395 | int major, minor; 396 | 397 | conn->displays = g_ptr_array_new (); 398 | 399 | g_debug ("opening display %s", disp_name); 400 | conn->dpy = XOpenDisplay (disp_name); 401 | if (conn->dpy == NULL) { 402 | g_critical ("Can't open display: %s", XDisplayName (disp_name)); 403 | goto out; 404 | } 405 | 406 | if (! XRRQueryExtension (conn->dpy,&conn->event_base, &conn->error_base) 407 | || ! XRRQueryVersion (conn->dpy, &major, &minor)) { 408 | g_critical ("RandR extension is not working on display %s", 409 | DisplayString (conn->dpy)); 410 | goto out; 411 | } 412 | 413 | /* We need RandR 1.3 to support multiple display color mgmt */ 414 | if ((major < 1) || (major == 1 && minor < 3)) { 415 | g_critical ("RandR %i.%i found on display %s but 1.3 is needed", 416 | major, minor, DisplayString (conn->dpy)); 417 | goto out; 418 | } 419 | 420 | /* RandR 1.2 calls it "EDID_DATA" but we don't support 1.2 */ 421 | conn->edid_atom = XInternAtom (conn->dpy, "EDID", False); 422 | conn->type_atom = XInternAtom (conn->dpy, "ConnectorType", False); 423 | 424 | return; 425 | 426 | out: 427 | randr_conn_private_finalize (conn); 428 | } 429 | 430 | 431 | 432 | void 433 | randr_conn_private_finalize (struct randr_conn *conn) 434 | { 435 | if (conn->dpy) 436 | XCloseDisplay (conn->dpy); 437 | if (conn->displays) 438 | g_ptr_array_unref (conn->displays); 439 | conn->dpy = NULL; 440 | } 441 | 442 | 443 | 444 | static inline void 445 | apply_gamma (struct randr_display_priv *disp, CdIcc *icc) 446 | { 447 | Display *dpy = disp->conn->dpy; 448 | XRRCrtcGamma *gamma = NULL; 449 | XRRCrtcGamma *gamma2 = NULL; 450 | 451 | int gsize = XRRGetCrtcGammaSize (dpy, disp->crtc); 452 | if (gsize <= 0) { 453 | g_critical ("Gamma size is %i at output %s", gsize, disp->pub.name); 454 | return; 455 | } 456 | 457 | gamma = XRRAllocGamma (gsize); 458 | if (! gamma) { 459 | g_critical ("XRRAllocGamma() failed at output %s", disp->pub.name); 460 | return; 461 | } 462 | 463 | icc_to_gamma (gamma, icc); 464 | 465 | XRRSetCrtcGamma (dpy, disp->crtc, gamma); 466 | 467 | /* For some reason gamma may not apply without this */ 468 | gamma2 = XRRGetCrtcGamma (dpy, disp->crtc); 469 | XRRFreeGamma (gamma2); 470 | 471 | XRRFreeGamma (gamma); 472 | } 473 | 474 | static gboolean 475 | is_main_icc_profile (struct randr_display_priv *disp) 476 | { 477 | int main_id = -1; 478 | int laptop_id = -1; 479 | int primary_id = -1; 480 | guint i; 481 | 482 | if (disp->pub.is_primary) 483 | return TRUE; 484 | 485 | for (i = 0; i < disp->conn->displays->len; ++i) { 486 | struct randr_display_priv *odisp = g_ptr_array_index (disp->conn->displays, i); 487 | if (! odisp->crtc) 488 | continue; 489 | if (main_id == -1) 490 | main_id = odisp->pub.id; 491 | if (odisp->pub.is_laptop) 492 | laptop_id = odisp->pub.id; 493 | if (odisp->pub.is_primary) 494 | primary_id = odisp->pub.id; 495 | } 496 | 497 | if (primary_id >= 0) { 498 | main_id = primary_id; 499 | } else if (laptop_id >= 0) { 500 | main_id = laptop_id; 501 | } 502 | 503 | return (disp->pub.id == main_id); 504 | } 505 | 506 | static inline void 507 | apply_icc (struct randr_display_priv *disp, GBytes *icc_bytes) 508 | { 509 | int res; 510 | Display *dpy = disp->conn->dpy; 511 | const gchar *oper = NULL; 512 | Atom at; 513 | 514 | if (! is_main_icc_profile (disp)) 515 | return; 516 | 517 | at = XInternAtom (dpy, "_ICC_PROFILE", False); 518 | 519 | if (icc_bytes) { 520 | g_debug ("setting _ICC_PROFILE for display %s", disp->pub.name); 521 | res = XChangeProperty (dpy, disp->root, at, XA_CARDINAL, 8, PropModeReplace, 522 | (unsigned char *) g_bytes_get_data (icc_bytes, NULL), 523 | g_bytes_get_size (icc_bytes)); 524 | oper = "XChangeProperty()"; 525 | } else { 526 | res = XDeleteProperty (dpy, disp->root, at); 527 | oper = "XDeleteProperty()"; 528 | } 529 | /* Due to a bug in X this may "fail" with BadRequest but still work */ 530 | if (res != Success && res != BadRequest) { 531 | print_x_error (disp->conn, res, oper); 532 | } 533 | 534 | } 535 | 536 | void 537 | randr_display_private_apply_icc (struct randr_display *disp, CdIcc *icc) 538 | { 539 | GBytes *icc_bytes = NULL; 540 | GError *err = NULL; 541 | struct randr_display_priv *pdisp = (struct randr_display_priv *) disp; 542 | if (! pdisp->crtc) /* is display currently off? */ 543 | return; 544 | if (icc) { 545 | icc_bytes = cd_icc_save_data (icc, CD_ICC_SAVE_FLAGS_NONE, &err); 546 | if (! icc_bytes) { 547 | g_warning ("unable to get ICC data: %s", err->message); 548 | g_clear_error (&err); 549 | } 550 | } 551 | apply_gamma (pdisp, icc); 552 | apply_icc (pdisp, icc_bytes); 553 | if (icc_bytes) 554 | g_bytes_unref (icc_bytes); 555 | } 556 | 557 | struct randr_display * 558 | randr_conn_private_find_display (struct randr_conn *conn, 559 | const gchar *key, 560 | get_find_key_fn get_find_key) 561 | { 562 | guint i; 563 | 564 | if (! conn->dpy) 565 | return NULL; 566 | 567 | for (i = 0; i < conn->displays->len; ++i) { 568 | struct randr_display *cand = (struct randr_display *) 569 | g_ptr_array_index (conn->displays, i); 570 | if (! strcmp (get_find_key(cand), key)) 571 | return cand; 572 | } 573 | return NULL; 574 | } 575 | 576 | /* vim: set ts=8 sw=8 tw=0 : */ 577 | -------------------------------------------------------------------------------- /src/randr-conn-private.h: -------------------------------------------------------------------------------- 1 | #ifndef __RANDR_CONN_PRIVATE_H__ 2 | #define __RANDR_CONN_PRIVATE_H__ 3 | 4 | #include 5 | #include "randr-conn.h" 6 | #include 7 | #include 8 | #include 9 | #include 10 | 11 | G_BEGIN_DECLS 12 | 13 | typedef struct randr_conn { 14 | GObject *object; 15 | Display *dpy; 16 | int event_base; 17 | int error_base; 18 | Atom edid_atom; 19 | Atom type_atom; 20 | GPtrArray *displays; 21 | } RandrConnPrivate; 22 | 23 | struct randr_display_priv { 24 | struct randr_display pub; 25 | 26 | struct randr_conn *conn; 27 | Window root; 28 | RRCrtc crtc; 29 | }; 30 | 31 | struct randr_source { 32 | GSource parent; 33 | struct randr_conn *conn; 34 | GPollFD poll_fd; 35 | }; 36 | 37 | enum { 38 | SIG_DISPLAY_ADDED, 39 | SIG_DISPLAY_REMOVED, 40 | SIG_DISPLAY_CHANGED, 41 | N_SIG 42 | }; 43 | 44 | extern guint randr_signals[N_SIG]; 45 | 46 | typedef const gchar *(*get_find_key_fn)(struct randr_display *); 47 | 48 | void randr_conn_private_init (struct randr_conn *conn, const gchar *disp_name); 49 | void randr_conn_private_finalize (struct randr_conn *conn); 50 | void randr_conn_private_start (struct randr_conn *conn); 51 | void randr_conn_private_update (struct randr_conn *conn); 52 | struct randr_display *randr_conn_private_find_display (struct randr_conn *conn, 53 | const gchar *key, 54 | get_find_key_fn get_find_key); 55 | void randr_display_private_apply_icc (struct randr_display *disp, CdIcc *icc); 56 | 57 | G_END_DECLS 58 | 59 | #endif /* __RANDR_CONN_PRIVATE_H__ */ 60 | 61 | /* vim: set ts=8 sw=8 tw=0 : */ 62 | -------------------------------------------------------------------------------- /src/randr-conn.c: -------------------------------------------------------------------------------- 1 | #include "randr-conn.h" 2 | #include "randr-conn-private.h" 3 | #include 4 | #include 5 | #include 6 | 7 | struct _RandrConn { 8 | GObject parent; 9 | }; 10 | 11 | G_DEFINE_TYPE_WITH_PRIVATE (RandrConn, randr_conn, G_TYPE_OBJECT) 12 | 13 | guint randr_signals[N_SIG]; 14 | 15 | enum { 16 | PROP_0 = 0, 17 | PROP_DISPLAY, 18 | N_PROPERTIES 19 | }; 20 | 21 | static void 22 | randr_conn_init (RandrConn *self) 23 | { 24 | struct randr_conn *priv = randr_conn_get_instance_private (self); 25 | memset (priv, 0, sizeof (*priv)); 26 | } 27 | 28 | static GObject * 29 | randr_conn_constructor (GType type, guint n_params, GObjectConstructParam *params) 30 | { 31 | GObject *obj = G_OBJECT_CLASS (randr_conn_parent_class) 32 | ->constructor (type, n_params, params); 33 | 34 | guint i; 35 | const gchar *display_name = NULL; 36 | for (i = 0; i < n_params; ++i) { 37 | if (! strcmp(params[i].pspec->name, "display")) { 38 | display_name = g_value_get_string (params[i].value); 39 | break; 40 | } 41 | } 42 | 43 | struct randr_conn *priv = randr_conn_get_instance_private (RANDR_CONN (obj)); 44 | priv->object = obj; 45 | randr_conn_private_init (priv, display_name); 46 | 47 | return obj; 48 | } 49 | 50 | static void 51 | randr_conn_finalize (GObject *self) 52 | { 53 | struct randr_conn *priv = randr_conn_get_instance_private (RANDR_CONN (self)); 54 | randr_conn_private_finalize (priv); 55 | G_OBJECT_CLASS (randr_conn_parent_class)->finalize (self); 56 | } 57 | 58 | static void 59 | randr_conn_set_property (GObject *object, guint prop_id, const GValue *val, GParamSpec *pspec) 60 | { 61 | (void) object; 62 | (void) prop_id; 63 | (void) val; 64 | (void) pspec; 65 | } 66 | 67 | static void 68 | randr_conn_class_init (RandrConnClass *klass) 69 | { 70 | GObjectClass *obj_class = G_OBJECT_CLASS (klass); 71 | 72 | obj_class->constructor = randr_conn_constructor; 73 | obj_class->finalize = randr_conn_finalize; 74 | obj_class->set_property = randr_conn_set_property; 75 | 76 | randr_signals[SIG_DISPLAY_ADDED] = g_signal_new ("display_added", 77 | G_TYPE_FROM_CLASS (obj_class), G_SIGNAL_RUN_LAST, 78 | 0, NULL, NULL, NULL, 79 | G_TYPE_NONE, 1, G_TYPE_POINTER); 80 | 81 | randr_signals[SIG_DISPLAY_REMOVED] = g_signal_new ("display_removed", 82 | G_TYPE_FROM_CLASS (obj_class), G_SIGNAL_RUN_LAST, 83 | 0, NULL, NULL, NULL, 84 | G_TYPE_NONE, 1, G_TYPE_POINTER); 85 | 86 | randr_signals[SIG_DISPLAY_CHANGED] = g_signal_new ("display_changed", 87 | G_TYPE_FROM_CLASS (obj_class), G_SIGNAL_RUN_LAST, 88 | 0, NULL, NULL, NULL, 89 | G_TYPE_NONE, 1, G_TYPE_POINTER); 90 | 91 | g_object_class_install_property (obj_class, PROP_DISPLAY, 92 | g_param_spec_string ("display", NULL, "X Display", NULL, 93 | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY) 94 | ); 95 | } 96 | 97 | 98 | RandrConn * 99 | randr_conn_new (const gchar *display) 100 | { 101 | RandrConn *obj = RANDR_CONN (g_object_new (RANDR_TYPE_CONN, "display", display, NULL)); 102 | return obj; 103 | } 104 | 105 | void 106 | randr_conn_start (RandrConn *conn) 107 | { 108 | struct randr_conn *priv = randr_conn_get_instance_private (conn); 109 | randr_conn_private_start (priv); 110 | } 111 | 112 | static const gchar * 113 | get_name_key (struct randr_display *dpy) 114 | { 115 | return dpy->name; 116 | } 117 | 118 | struct randr_display * 119 | randr_conn_find_display_by_name (RandrConn *conn, const gchar *name) 120 | { 121 | struct randr_conn *priv = randr_conn_get_instance_private (conn); 122 | return randr_conn_private_find_display (priv, name, get_name_key); 123 | } 124 | 125 | static const gchar * 126 | get_edid_key (struct randr_display *dpy) 127 | { 128 | return cd_edid_get_checksum (dpy->edid); 129 | } 130 | 131 | struct randr_display *randr_conn_find_display_by_edid (RandrConn *conn, const gchar *edid_cksum) 132 | { 133 | struct randr_conn *priv = randr_conn_get_instance_private (conn); 134 | return randr_conn_private_find_display (priv, edid_cksum, get_edid_key); 135 | } 136 | 137 | void 138 | randr_display_apply_icc (struct randr_display *disp, CdIcc *icc) 139 | { 140 | randr_display_private_apply_icc (disp, icc); 141 | } 142 | 143 | /* vim: set ts=8 sw=8 tw=0 : */ 144 | -------------------------------------------------------------------------------- /src/randr-conn.h: -------------------------------------------------------------------------------- 1 | #ifndef __RANDR_CONN_H__ 2 | #define __RANDR_CONN_H__ 3 | 4 | #include 5 | #include 6 | #include 7 | 8 | G_BEGIN_DECLS 9 | 10 | #define RANDR_TYPE_CONN \ 11 | (randr_conn_get_type ()) 12 | G_DECLARE_FINAL_TYPE (RandrConn, randr_conn, RANDR, CONN, GObject) 13 | 14 | struct randr_display { 15 | int id; 16 | const gchar *name; 17 | 18 | const gchar *xrandr_name; 19 | 20 | gboolean is_laptop; 21 | gboolean is_primary; 22 | CdEdid *edid; 23 | }; 24 | 25 | GType randr_conn_get_type (void); 26 | RandrConn *randr_conn_new (const gchar *display); 27 | void randr_conn_start (RandrConn *conn); 28 | struct randr_display *randr_conn_find_display_by_name (RandrConn *conn, const gchar *name); 29 | struct randr_display *randr_conn_find_display_by_edid (RandrConn *conn, const gchar *edid_cksum); 30 | void randr_display_apply_icc (struct randr_display *disp, CdIcc *icc); 31 | 32 | G_END_DECLS 33 | 34 | #endif /* __RANDR_CONN_H__ */ 35 | 36 | /* vim: set ts=8 sw=8 tw=0 : */ 37 | -------------------------------------------------------------------------------- /src/xiccd.c: -------------------------------------------------------------------------------- 1 | #include "icc.h" 2 | #include "randr-conn.h" 3 | #include 4 | #include 5 | #include 6 | #include 7 | 8 | typedef struct _Daemon { 9 | GMainLoop *loop; 10 | RandrConn *rcon; 11 | CdClient *cli; 12 | CdIccStore *stor; 13 | } Daemon; 14 | 15 | static struct { 16 | const gchar *display; 17 | gboolean edid; 18 | } config; 19 | 20 | static void 21 | show_version (void) 22 | { 23 | g_print ("%s - Version %s\n", g_get_application_name (), VERSION); 24 | exit (0); 25 | } 26 | 27 | static GOptionEntry config_entries[] = { 28 | { "version", 'V', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, 29 | (void*)(intptr_t) show_version, 30 | "Show version", NULL }, 31 | { "display", 'd', 0, G_OPTION_ARG_STRING, &config.display, 32 | "Uses a specific display", NULL }, 33 | { "edid", 'e', 0, G_OPTION_ARG_NONE, &config.edid, 34 | "Generates a default color profile based on the display model", NULL }, 35 | { NULL } 36 | }; 37 | 38 | static void 39 | config_free (void) 40 | { 41 | if (config.display) 42 | g_free ((gpointer) config.display); 43 | } 44 | 45 | 46 | static inline gboolean 47 | signal_term (gpointer loop) 48 | { 49 | g_main_loop_quit ((GMainLoop *) loop); 50 | return FALSE; 51 | } 52 | 53 | static gchar * 54 | profile_id (CdIcc *icc) 55 | { 56 | return g_strdup_printf ("icc-%s", cd_icc_get_checksum (icc)); 57 | } 58 | 59 | static gchar * 60 | profile_filename (CdEdid *edid) 61 | { 62 | const gchar *cksum = cd_edid_get_checksum (edid); 63 | return g_strdup_printf ("edid-%s.icc", cksum); 64 | } 65 | 66 | static void 67 | update_device_cb (GObject *src, GAsyncResult *res, gpointer user_data) 68 | { 69 | CdDevice *device = CD_DEVICE (src); 70 | Daemon *daemon = (Daemon *) user_data; 71 | GError *err = NULL; 72 | const gchar *xrandr_id; 73 | struct randr_display *disp; 74 | CdProfile *profile = NULL; 75 | gboolean ret; 76 | 77 | ret = cd_device_connect_finish (device, res, &err); 78 | if (! ret) { 79 | g_critical ("unable to connect to device: %s", err->message); 80 | g_error_free (err); 81 | goto out; 82 | } 83 | 84 | if (cd_device_get_kind (device) != CD_DEVICE_KIND_DISPLAY) { 85 | g_debug ("ignoring device %s: not a display\n", cd_device_get_id (device)); 86 | goto out; 87 | } 88 | 89 | xrandr_id = cd_device_get_id (device); 90 | disp = randr_conn_find_display_by_name (daemon->rcon, xrandr_id); 91 | if (! disp) { 92 | g_critical ("device '%s' does not exist", xrandr_id); 93 | goto out; 94 | } 95 | 96 | profile = cd_device_get_default_profile (device); 97 | 98 | if (profile) { 99 | /* Use sync mode. We do not want race conditions here. */ 100 | ret = cd_profile_connect_sync (profile, NULL, &err); 101 | if (! ret) { 102 | g_critical ("unable to connect to profile: %s", err->message); 103 | g_error_free (err); 104 | } else { 105 | CdIcc *icc = cd_profile_load_icc (profile, CD_ICC_LOAD_FLAGS_ALL, 106 | NULL, &err); 107 | if (! icc) { 108 | g_critical ("can't get profile for display %s: %s", disp->name, 109 | err->message); 110 | g_clear_error (&err); 111 | } 112 | g_debug ("loading profile '%s' for display %s", 113 | icc ? cd_icc_get_filename (icc) : "(none)", disp->name); 114 | randr_display_apply_icc (disp, icc); 115 | if (icc) 116 | g_object_unref (icc); 117 | } 118 | } else { 119 | g_debug ("unloading profile for display %s", disp->name); 120 | randr_display_apply_icc (disp, NULL); 121 | } 122 | 123 | out: 124 | 125 | if (profile) 126 | g_object_unref (profile); 127 | } 128 | 129 | static void 130 | cd_device_add_profile_cb (GObject *src, GAsyncResult *res, gpointer user_data) 131 | { 132 | CdDevice *device = CD_DEVICE (src); 133 | GError *err = NULL; 134 | gboolean ret; 135 | (void) user_data; 136 | 137 | ret = cd_device_add_profile_finish (device, res, &err); 138 | if (! ret) { 139 | if (! g_error_matches (err, CD_DEVICE_ERROR, CD_DEVICE_ERROR_PROFILE_ALREADY_ADDED)) 140 | g_critical ("unable to add device profile: %s", err->message); 141 | g_error_free (err); 142 | return; 143 | } 144 | 145 | g_object_unref (device); 146 | } 147 | 148 | static void 149 | update_profile_cb (GObject *src, GAsyncResult *res, gpointer user_data) 150 | { 151 | CdProfile *profile = CD_PROFILE (src); 152 | Daemon *daemon = (Daemon *) user_data; 153 | GError *err = NULL; 154 | const gchar *edid_md5; 155 | struct randr_display *disp; 156 | CdDevice *device = NULL; 157 | gboolean ret; 158 | 159 | ret = cd_profile_connect_finish (profile, res, &err); 160 | if (! ret) { 161 | g_critical ("unable to connect to profile: %s", err->message); 162 | g_error_free (err); 163 | goto out; 164 | } 165 | 166 | edid_md5 = cd_profile_get_metadata_item (profile, CD_PROFILE_METADATA_EDID_MD5); 167 | if (! edid_md5) 168 | goto out; 169 | 170 | disp = randr_conn_find_display_by_edid (daemon->rcon, edid_md5); 171 | if (! disp) 172 | goto out; 173 | 174 | g_debug ("profile %s matches display %s", cd_profile_get_id (profile), disp->name); 175 | 176 | /* Use sync mode. We do not want race conditions here. */ 177 | device = cd_client_find_device_sync (daemon->cli, disp->name, NULL, &err); 178 | if (! device) { 179 | g_critical ("unable to find device %s: %s", disp->name, err->message); 180 | g_error_free (err); 181 | goto out; 182 | } 183 | 184 | ret = cd_device_connect_sync (device, NULL, &err); 185 | if (! ret) { 186 | g_critical ("unable to connect to device: %s", err->message); 187 | g_error_free (err); 188 | goto out; 189 | } 190 | 191 | g_object_ref (device); 192 | cd_device_add_profile (device, CD_DEVICE_RELATION_SOFT, profile, NULL, 193 | cd_device_add_profile_cb, daemon); 194 | 195 | out: 196 | 197 | if (device) 198 | g_object_unref (device); 199 | } 200 | 201 | static void 202 | update_device (CdDevice *device, Daemon *daemon) 203 | { 204 | cd_device_connect (device, NULL, update_device_cb, daemon); 205 | } 206 | 207 | static void 208 | update_profile (CdProfile *profile, Daemon *daemon) 209 | { 210 | cd_profile_connect (profile, NULL, update_profile_cb, daemon); 211 | } 212 | 213 | static void 214 | cd_profile_added_sig (CdClient *client, CdProfile *profile, Daemon *daemon) 215 | { 216 | g_assert (client == daemon->cli); 217 | update_profile (profile, daemon); 218 | } 219 | 220 | static void 221 | cd_device_added_sig (CdClient *client, CdDevice *device, Daemon *daemon) 222 | { 223 | g_assert (client == daemon->cli); 224 | update_device (device, daemon); 225 | } 226 | 227 | static void 228 | cd_device_changed_sig (CdClient *client, CdDevice *device, Daemon *daemon) 229 | { 230 | g_assert (client == daemon->cli); 231 | update_device (device, daemon); 232 | } 233 | 234 | static void 235 | cd_create_device_cb (GObject *src, GAsyncResult *res, gpointer user_data) 236 | { 237 | Daemon *daemon = (Daemon *) user_data; 238 | GError *err = NULL; 239 | CdDevice *dev; 240 | 241 | g_assert (CD_CLIENT (src) == daemon->cli); 242 | 243 | dev = cd_client_create_device_finish (daemon->cli, res, &err); 244 | if (! dev) { 245 | if (err->domain != CD_CLIENT_ERROR || err->code != CD_CLIENT_ERROR_ALREADY_EXISTS) 246 | g_critical ("failed to create colord device: %s", err->message); 247 | g_error_free (err); 248 | return; 249 | } 250 | 251 | g_object_unref (dev); 252 | } 253 | 254 | static void 255 | create_profile_from_edid(CdIccStore *store, CdEdid *edid) 256 | { 257 | gchar *filename; 258 | gchar *filepath; 259 | GFile *file; 260 | CdIcc *icc = NULL; 261 | GError *err = NULL; 262 | gboolean ret; 263 | const gchar *cksum = cd_edid_get_checksum (edid); 264 | 265 | filename = profile_filename (edid); 266 | filepath = g_build_filename (g_get_user_data_dir (), "icc", filename, NULL); 267 | g_free (filename); 268 | file = g_file_new_for_path (filepath); 269 | g_free (filepath); 270 | 271 | icc = cd_icc_store_find_by_filename (store, g_file_get_path (file)); 272 | if (icc) { 273 | g_debug ("profile for edid %s already exists", cksum); 274 | goto out; 275 | } 276 | 277 | icc = icc_from_edid (edid); 278 | if (! icc) { 279 | g_critical ("profile for EDID %s was not created", cksum); 280 | goto out; 281 | } 282 | 283 | g_debug ("WRITING profile for EDID %s", cksum); 284 | 285 | ret = cd_icc_save_file (icc, file, CD_ICC_SAVE_FLAGS_NONE, NULL, &err); 286 | if (! ret) { 287 | g_critical ("unable to write file %s: %s", g_file_get_path (file), err->message); 288 | g_error_free (err); 289 | goto out; 290 | } 291 | 292 | out: 293 | if (icc) 294 | g_object_unref (icc); 295 | g_object_unref (file); 296 | } 297 | 298 | static void 299 | randr_display_added_sig (RandrConn *conn, struct randr_display *disp, Daemon *daemon) 300 | { 301 | const gchar *cksum; 302 | GHashTable *props = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, NULL); 303 | 304 | g_assert (conn == daemon->rcon); 305 | 306 | g_debug ("added display: '%s'", disp->name); 307 | 308 | if (config.edid) { 309 | create_profile_from_edid (daemon->stor, disp->edid); 310 | } 311 | 312 | g_hash_table_insert (props, CD_DEVICE_PROPERTY_KIND, 313 | (gchar *) cd_device_kind_to_string (CD_DEVICE_KIND_DISPLAY)); 314 | g_hash_table_insert (props, CD_DEVICE_PROPERTY_MODE, 315 | (gchar *) cd_device_mode_to_string (CD_DEVICE_MODE_PHYSICAL)); 316 | g_hash_table_insert (props, CD_DEVICE_PROPERTY_COLORSPACE, 317 | (gchar *) cd_colorspace_to_string (CD_COLORSPACE_RGB)); 318 | 319 | g_hash_table_insert (props, CD_DEVICE_PROPERTY_VENDOR, (gchar *) cd_edid_get_vendor_name (disp->edid)); 320 | g_hash_table_insert (props, CD_DEVICE_PROPERTY_MODEL, (gchar *) cd_edid_get_monitor_name (disp->edid)); 321 | g_hash_table_insert (props, CD_DEVICE_PROPERTY_SERIAL, (gchar *) cd_edid_get_serial_number (disp->edid)); 322 | 323 | g_hash_table_insert (props, CD_DEVICE_METADATA_XRANDR_NAME, (gchar *) disp->xrandr_name); 324 | 325 | g_hash_table_insert (props, CD_DEVICE_METADATA_OUTPUT_PRIORITY, 326 | disp->is_primary ? CD_DEVICE_METADATA_OUTPUT_PRIORITY_PRIMARY 327 | : CD_DEVICE_METADATA_OUTPUT_PRIORITY_SECONDARY); 328 | 329 | cksum = cd_edid_get_checksum (disp->edid); 330 | if (cksum) 331 | g_hash_table_insert (props, CD_DEVICE_METADATA_OUTPUT_EDID_MD5, (gchar *) cksum); 332 | 333 | if (disp->is_laptop) 334 | g_hash_table_insert (props, CD_DEVICE_PROPERTY_EMBEDDED, NULL); 335 | 336 | cd_client_create_device (daemon->cli, disp->name, CD_OBJECT_SCOPE_TEMP, 337 | props, NULL, cd_create_device_cb, daemon); 338 | 339 | g_hash_table_unref (props); 340 | } 341 | 342 | static void 343 | cd_device_remove_cb (GObject *src, GAsyncResult *res, gpointer user_data) 344 | { 345 | Daemon *daemon = (Daemon *) user_data; 346 | GError *err = NULL; 347 | gboolean ret; 348 | 349 | g_assert (CD_CLIENT (src) == daemon->cli); 350 | 351 | ret = cd_client_delete_device_finish (daemon->cli, res, &err); 352 | if (! ret) { 353 | g_critical ("device not removed: %s", err->message); 354 | g_error_free (err); 355 | return; 356 | } 357 | } 358 | 359 | static void 360 | randr_display_removed_sig (RandrConn *conn, struct randr_display *disp, Daemon *daemon) 361 | { 362 | CdDevice *device = NULL; 363 | GError *err = NULL; 364 | 365 | g_assert (conn == daemon->rcon); 366 | 367 | g_debug ("removed display: '%s'", disp->name); 368 | 369 | /* We do not want race conditions here */ 370 | device = cd_client_find_device_sync (daemon->cli, disp->name, 371 | NULL, &err); 372 | if (! device) { 373 | g_debug ("device %s not found so not removed: %s", disp->name, err->message); 374 | g_error_free (err); 375 | return; 376 | } 377 | 378 | cd_client_delete_device (daemon->cli, device, NULL, 379 | cd_device_remove_cb, daemon); 380 | 381 | g_object_unref (device); 382 | } 383 | 384 | static void 385 | randr_display_changed_sig (RandrConn *conn, struct randr_display *disp, Daemon *daemon) 386 | { 387 | CdDevice *device = NULL; 388 | GError *err = NULL; 389 | 390 | g_assert (conn == daemon->rcon); 391 | g_assert (daemon->cli != NULL); 392 | g_debug ("changed display: '%s'", disp->name); 393 | 394 | /* We do not want race conditions here */ 395 | device = cd_client_find_device_sync (daemon->cli, disp->name, 396 | NULL, &err); 397 | if (! device) { 398 | g_debug ("device %s not found so not changed: %s", disp->name, err->message); 399 | g_error_free (err); 400 | return; 401 | } 402 | 403 | update_device (device, daemon); 404 | 405 | g_object_unref (device); 406 | } 407 | 408 | static void 409 | cd_existing_devices_cb (GObject *src, GAsyncResult *res, gpointer user_data) 410 | { 411 | Daemon *daemon = (Daemon *) user_data; 412 | GError *err = NULL; 413 | GPtrArray *devs; 414 | 415 | g_assert (CD_CLIENT (src) == daemon->cli); 416 | 417 | devs = cd_client_get_devices_finish (daemon->cli, res, &err); 418 | if (! devs) { 419 | g_critical ("Failed to get device list: %s", err->message); 420 | g_error_free (err); 421 | return; 422 | } 423 | 424 | g_ptr_array_foreach (devs, (GFunc) update_device, daemon); 425 | g_ptr_array_unref (devs); 426 | } 427 | 428 | static void 429 | cd_existing_profiles_cb (GObject *src, GAsyncResult *res, gpointer user_data) 430 | { 431 | Daemon *daemon = (Daemon *) user_data; 432 | GError *err = NULL; 433 | GPtrArray *profs; 434 | 435 | g_assert (CD_CLIENT (src) == daemon->cli); 436 | 437 | profs = cd_client_get_profiles_finish (daemon->cli, res, &err); 438 | if (! profs) { 439 | g_critical ("Failed to get profile list: %s", err->message); 440 | g_error_free (err); 441 | return; 442 | } 443 | 444 | g_ptr_array_foreach (profs, (GFunc) update_profile, daemon); 445 | g_ptr_array_unref (profs); 446 | } 447 | 448 | static void 449 | cd_client_create_profile_cb (GObject *src, GAsyncResult *res, gpointer user_data) 450 | { 451 | Daemon *daemon = (Daemon *) user_data; 452 | GError *err = NULL; 453 | CdProfile *profile; 454 | 455 | g_assert (CD_CLIENT (src) == daemon->cli); 456 | 457 | profile = cd_client_create_profile_finish (daemon->cli, res, &err); 458 | if (! profile) { 459 | if (! g_error_matches (err, CD_CLIENT_ERROR, CD_CLIENT_ERROR_ALREADY_EXISTS)) 460 | g_critical ("unable to create profile: %s", err->message); 461 | g_error_free (err); 462 | return; 463 | } 464 | g_object_unref (profile); 465 | } 466 | 467 | static void 468 | cd_client_delete_profile_cb (GObject *src, GAsyncResult *res, gpointer user_data) 469 | { 470 | Daemon *daemon = (Daemon *) user_data; 471 | GError *err = NULL; 472 | gboolean ret; 473 | 474 | g_assert (CD_CLIENT (src) == daemon->cli); 475 | 476 | ret = cd_client_delete_profile_finish (daemon->cli, res, &err); 477 | if (! ret) { 478 | g_critical ("unable to remove profile: %s", err->message); 479 | g_error_free (err); 480 | } 481 | } 482 | 483 | static void 484 | cd_icc_store_file_added_sig (CdIccStore *stor, CdIcc *icc, Daemon *daemon) 485 | { 486 | GHashTable *props; 487 | gchar *id; 488 | 489 | g_assert (stor == daemon->stor); 490 | 491 | props = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, NULL); 492 | id = profile_id (icc); 493 | 494 | g_hash_table_insert (props, CD_PROFILE_PROPERTY_FILENAME, 495 | (gchar *) cd_icc_get_filename (icc)); 496 | g_hash_table_insert (props, CD_PROFILE_METADATA_FILE_CHECKSUM, 497 | (gchar *) cd_icc_get_checksum (icc)); 498 | 499 | cd_client_create_profile (daemon->cli, id, CD_OBJECT_SCOPE_TEMP, props, 500 | NULL, cd_client_create_profile_cb, daemon); 501 | 502 | g_free (id); 503 | g_hash_table_unref (props); 504 | } 505 | 506 | static void 507 | cd_icc_store_file_removed_sig (CdIccStore *stor, CdIcc *icc, Daemon *daemon) 508 | { 509 | CdProfile *prof = NULL; 510 | GError *err = NULL; 511 | gchar *id; 512 | 513 | g_assert (stor == daemon->stor); 514 | 515 | id = profile_id (icc); 516 | 517 | prof = cd_client_find_profile_sync (daemon->cli, id, NULL, &err); 518 | if (! prof) { 519 | g_debug ("profile not found so not removed: %s: %s", id, err->message); 520 | g_error_free (err); 521 | goto out; 522 | } 523 | 524 | cd_client_delete_profile (daemon->cli, prof, NULL, cd_client_delete_profile_cb, daemon); 525 | out: 526 | g_free (id); 527 | } 528 | 529 | static void 530 | cd_connect_cb (GObject *src, GAsyncResult *res, gpointer user_data) 531 | { 532 | Daemon *daemon = (Daemon *) user_data; 533 | GError *err = NULL; 534 | gboolean ret; 535 | 536 | g_assert (CD_CLIENT (src) == daemon->cli); 537 | 538 | ret = cd_client_connect_finish (daemon->cli, res, &err); 539 | if (! ret) { 540 | g_critical ("Failed to connect to colord: %s", err->message); 541 | g_error_free (err); 542 | return; 543 | } 544 | 545 | g_signal_connect (daemon->cli, "profile-added", 546 | G_CALLBACK (cd_profile_added_sig), daemon); 547 | 548 | g_signal_connect (daemon->cli, "device-added", 549 | G_CALLBACK (cd_device_added_sig), daemon); 550 | 551 | g_signal_connect (daemon->cli, "device-changed", 552 | G_CALLBACK (cd_device_changed_sig), daemon); 553 | 554 | g_signal_connect (daemon->rcon, "display-added", 555 | G_CALLBACK (randr_display_added_sig), daemon); 556 | 557 | g_signal_connect (daemon->rcon, "display-removed", 558 | G_CALLBACK (randr_display_removed_sig), daemon); 559 | 560 | g_signal_connect (daemon->rcon, "display-changed", 561 | G_CALLBACK (randr_display_changed_sig), daemon); 562 | 563 | g_signal_connect (daemon->stor, "added", 564 | G_CALLBACK (cd_icc_store_file_added_sig), daemon); 565 | 566 | g_signal_connect (daemon->stor, "removed", 567 | G_CALLBACK (cd_icc_store_file_removed_sig), daemon); 568 | 569 | cd_icc_store_set_load_flags (daemon->stor, CD_ICC_LOAD_FLAGS_FALLBACK_MD5); 570 | 571 | ret = cd_icc_store_search_kind (daemon->stor, CD_ICC_STORE_SEARCH_KIND_USER, 572 | CD_ICC_STORE_SEARCH_FLAGS_CREATE_LOCATION, NULL, &err); 573 | if (! ret) { 574 | g_critical ("unable to watch profile store: %s", err->message); 575 | g_clear_error (&err); 576 | } 577 | 578 | cd_client_get_devices_by_kind (daemon->cli, 579 | CD_DEVICE_KIND_DISPLAY, 580 | NULL, 581 | cd_existing_devices_cb, 582 | daemon); 583 | 584 | cd_client_get_profiles (daemon->cli, 585 | NULL, 586 | cd_existing_profiles_cb, 587 | daemon); 588 | 589 | randr_conn_start (daemon->rcon); 590 | } 591 | 592 | int 593 | main (int argc, char *argv[]) 594 | { 595 | int retval = 1; 596 | 597 | Daemon daemon; 598 | GOptionContext *opt; 599 | GError *err = NULL; 600 | gboolean ret = 0; 601 | 602 | g_set_prgname (PACKAGE); 603 | 604 | memset (&config, 0, sizeof (config)); 605 | opt = g_option_context_new (NULL); 606 | g_option_context_set_summary (opt, "X color management daemon"); 607 | g_option_context_add_main_entries (opt, config_entries, 0); 608 | ret = g_option_context_parse (opt, &argc, &argv, &err); 609 | g_option_context_free (opt); 610 | if (! ret) { 611 | config_free (); 612 | g_print ("%s\n", err->message); 613 | g_error_free (err); 614 | return retval; 615 | } 616 | 617 | daemon.loop = g_main_loop_new (NULL, FALSE); 618 | daemon.rcon = randr_conn_new (config.display); 619 | daemon.cli = cd_client_new (); 620 | daemon.stor = cd_icc_store_new (); 621 | 622 | config_free (); 623 | 624 | g_unix_signal_add (SIGTERM, signal_term, daemon.loop); 625 | g_unix_signal_add (SIGINT, signal_term, daemon.loop); 626 | 627 | cd_client_connect (daemon.cli, NULL, cd_connect_cb, &daemon); 628 | 629 | g_main_loop_run (daemon.loop); 630 | 631 | g_warning ("Exiting"); 632 | 633 | retval = 0; 634 | 635 | g_object_unref (daemon.stor); 636 | g_object_unref (daemon.cli); 637 | g_object_unref (daemon.rcon); 638 | g_main_loop_unref (daemon.loop); 639 | 640 | return retval; 641 | } 642 | 643 | /* vim: set ts=8 sw=8 tw=0 : */ 644 | --------------------------------------------------------------------------------