gnome-desktop r5081 - in branches/randr-12/libgnome-desktop: . libgnomeui
- From: ssp svn gnome org
- To: svn-commits-list gnome org
- Subject: gnome-desktop r5081 - in branches/randr-12/libgnome-desktop: . libgnomeui
- Date: Wed, 14 May 2008 21:41:44 +0100 (BST)
Author: ssp
Date: Wed May 14 20:41:44 2008
New Revision: 5081
URL: http://svn.gnome.org/viewvc/gnome-desktop?rev=5081&view=rev
Log:
2008-04-17 James Westby <james westby canonical com>
* monitor-db.c (configuration_new_current): Invert the logic in
the detection of clone mode so that it works for a single screen
as well. Without this change single screens are always reported as
clone, which makes no sense.
2008-05-14 Soren Sandmann Pedersen <sandmann redhat com>
* Check in RandR 1.2 support
Added:
branches/randr-12/libgnome-desktop/display-name.c
branches/randr-12/libgnome-desktop/edid-parse.c
branches/randr-12/libgnome-desktop/edid.h
branches/randr-12/libgnome-desktop/libgnomeui/monitor-db.h
branches/randr-12/libgnome-desktop/libgnomeui/randrwrap.h
branches/randr-12/libgnome-desktop/monitor-db.c
branches/randr-12/libgnome-desktop/randrwrap.c
Modified:
branches/randr-12/libgnome-desktop/ChangeLog
branches/randr-12/libgnome-desktop/Makefile.am
branches/randr-12/libgnome-desktop/libgnomeui/Makefile.am
Modified: branches/randr-12/libgnome-desktop/Makefile.am
==============================================================================
--- branches/randr-12/libgnome-desktop/Makefile.am (original)
+++ branches/randr-12/libgnome-desktop/Makefile.am Wed May 14 20:41:44 2008
@@ -20,7 +20,12 @@
gnome-desktop-item.c \
gnome-ditem-edit.c \
gnome-hint.c \
- gnome-bg.c
+ gnome-bg.c \
+ display-name.c \
+ randrwrap.c \
+ monitor-db.c \
+ edid-parse.c \
+ edid.h
libgnome_desktop_2_la_LIBADD = \
$(XLIB_LIBS) \
Added: branches/randr-12/libgnome-desktop/display-name.c
==============================================================================
--- (empty file)
+++ branches/randr-12/libgnome-desktop/display-name.c Wed May 14 20:41:44 2008
@@ -0,0 +1,252 @@
+/*
+ * Copyright 2007 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* Author: Soren Sandmann <sandmann redhat com> */
+
+#include <stdlib.h>
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+#include <glib.h>
+#include "edid.h"
+
+typedef struct Vendor Vendor;
+struct Vendor
+{
+ const char vendor_id[4];
+ const char vendor_name[28];
+};
+
+/* This list of vendor codes derived from lshw
+ *
+ * http://ezix.org/project/wiki/HardwareLiSter
+ */
+static const struct Vendor vendors[] =
+{
+ { "AIC", "AG Neovo" },
+ { "ACR", "Acer" },
+ { "DEL", "DELL" },
+ { "SAM", "SAMSUNG" },
+ { "SNY", "SONY" },
+ { "SEC", "Epson" },
+ { "WAC", "Wacom" },
+ { "NEC", "NEC" },
+ { "CMO", "CMO" }, /* Chi Mei */
+ { "BNQ", "BenQ" },
+
+ { "ABP", "Advansys" },
+ { "ACC", "Accton" },
+ { "ACE", "Accton" },
+ { "ADP", "Adaptec" },
+ { "ADV", "AMD" },
+ { "AIR", "AIR" },
+ { "AMI", "AMI" },
+ { "ASU", "ASUS" },
+ { "ATI", "ATI" },
+ { "ATK", "Allied Telesyn" },
+ { "AZT", "Aztech" },
+ { "BAN", "Banya" },
+ { "BRI", "Boca Research" },
+ { "BUS", "Buslogic" },
+ { "CCI", "Cache Computers Inc." },
+ { "CHA", "Chase" },
+ { "CMD", "CMD Technology, Inc." },
+ { "COG", "Cogent" },
+ { "CPQ", "Compaq" },
+ { "CRS", "Crescendo" },
+ { "CSC", "Crystal" },
+ { "CSI", "CSI" },
+ { "CTL", "Creative Labs" },
+ { "DBI", "Digi" },
+ { "DEC", "Digital Equipment" },
+ { "DBK", "Databook" },
+ { "EGL", "Eagle Technology" },
+ { "ELS", "ELSA" },
+ { "ESS", "ESS" },
+ { "FAR", "Farallon" },
+ { "FDC", "Future Domain" },
+ { "HWP", "Hewlett-Packard" },
+ { "IBM", "IBM" },
+ { "INT", "Intel" },
+ { "ISA", "Iomega" },
+ { "MDG", "Madge" },
+ { "MDY", "Microdyne" },
+ { "MET", "Metheus" },
+ { "MIC", "Micronics" },
+ { "MLX", "Mylex" },
+ { "NVL", "Novell" },
+ { "OLC", "Olicom" },
+ { "PRO", "Proteon" },
+ { "RII", "Racal" },
+ { "RTL", "Realtek" },
+ { "SCM", "SCM" },
+ { "SKD", "SysKonnect" },
+ { "SGI", "SGI" },
+ { "SMC", "SMC" },
+ { "SNI", "Siemens Nixdorf" },
+ { "STL", "Stallion Technologies" },
+ { "SUN", "Sun" },
+ { "SUP", "SupraExpress" },
+ { "SVE", "SVEC" },
+ { "TCC", "Thomas-Conrad" },
+ { "TCI", "Tulip" },
+ { "TCM", "3Com" },
+ { "TCO", "Thomas-Conrad" },
+ { "TEC", "Tecmar" },
+ { "TRU", "Truevision" },
+ { "TOS", "Toshiba" },
+ { "TYN", "Tyan" },
+ { "UBI", "Ungermann-Bass" },
+ { "USC", "UltraStor" },
+ { "VDM", "Vadem" },
+ { "VMI", "Vermont" },
+ { "WDC", "Western Digital" },
+ { "ZDS", "Zeos" },
+
+ /* From http://faydoc.tripod.com/structures/01/0136.htm */
+ { "ACT", "Targa" },
+ { "ADI", "ADI" },
+ { "AOC", "AOC Intl" },
+ { "API", "Acer America" },
+ { "APP", "Apple Computer" },
+ { "ART", "ArtMedia" },
+ { "AST", "AST Research" },
+ { "CPL", "Compal" },
+ { "CTX", "Chuntex Electronic Co." },
+ { "DPC", "Delta Electronics" },
+ { "DWE", "Daewoo" },
+ { "ECS", "ELITEGROUP" },
+ { "EIZ", "EIZO" },
+ { "FCM", "Funai" },
+ { "GSM", "LG Electronics" },
+ { "GWY", "Gateway 2000" },
+ { "HEI", "Hyundai" },
+ { "HIT", "Hitachi" },
+ { "HSL", "Hansol" },
+ { "HTC", "Hitachi" },
+ { "ICL", "Fujitsu ICL" },
+ { "IVM", "Idek Iiyama" },
+ { "KFC", "KFC Computek" },
+ { "LKM", "ADLAS" },
+ { "LNK", "LINK Tech" },
+ { "LTN", "Lite-On" },
+ { "MAG", "MAG InnoVision" },
+ { "MAX", "Maxdata" },
+ { "MEI", "Panasonic" },
+ { "MEL", "Mitsubishi" },
+ { "MIR", "miro" },
+ { "MTC", "MITAC" },
+ { "NAN", "NANAO" },
+ { "NEC", "NEC Tech" },
+ { "NOK", "Nokia" },
+ { "OQI", "OPTIQUEST" },
+ { "PBN", "Packard Bell" },
+ { "PGS", "Princeton" },
+ { "PHL", "Philips" },
+ { "REL", "Relisys" },
+ { "SDI", "Samtron" },
+ { "SMI", "Smile" },
+ { "SPT", "Sceptre" },
+ { "SRC", "Shamrock Technology" },
+ { "STP", "Sceptre" },
+ { "TAT", "Tatung" },
+ { "TRL", "Royal Information Company" },
+ { "TSB", "Toshiba, Inc." },
+ { "UNM", "Unisys" },
+ { "VSC", "ViewSonic" },
+ { "WTC", "Wen Tech" },
+ { "ZCM", "Zenith Data Systems" },
+
+ { "???", "Unknown" },
+};
+
+static const char *
+find_vendor (const char *code)
+{
+ int i;
+
+ for (i = 0; i < sizeof (vendors) / sizeof (vendors[0]); ++i)
+ {
+ const Vendor *v = &(vendors[i]);
+
+ if (strcmp (v->vendor_id, code) == 0)
+ return v->vendor_name;
+ }
+
+ return code;
+};
+
+char *
+make_display_name (const char *output_name,
+ const MonitorInfo *info)
+{
+ const char *vendor;
+ int width_mm, height_mm, inches;
+
+ if (output_name &&
+ (strstr ("lvds", output_name) ||
+ strstr ("LVDS", output_name) ||
+ strstr ("Lvds", output_name)))
+ {
+ vendor = "Laptop";
+ }
+ else if (info)
+ {
+ vendor = find_vendor (info->manufacturer_code);
+ }
+ else
+ {
+ vendor = "Unknown";
+ }
+
+ if (info && info->width_mm != -1 && info->height_mm)
+ {
+ width_mm = info->width_mm;
+ height_mm = info->height_mm;
+ }
+ else if (info && info->n_detailed_timings)
+ {
+ width_mm = info->detailed_timings[0].width_mm;
+ height_mm = info->detailed_timings[0].height_mm;
+ }
+ else
+ {
+ width_mm = -1;
+ height_mm = -1;
+ }
+
+ if (width_mm != -1 && height_mm != -1)
+ {
+ double d = sqrt (width_mm * width_mm + height_mm * height_mm);
+
+ inches = (int)(d / 25.4 + 0.5);
+ }
+ else
+ {
+ inches = -1;
+ }
+
+ if (inches > 0)
+ return g_strdup_printf ("%s %d\"", vendor, inches);
+ else
+ return g_strdup_printf ("%s\n", vendor);
+}
Added: branches/randr-12/libgnome-desktop/edid-parse.c
==============================================================================
--- (empty file)
+++ branches/randr-12/libgnome-desktop/edid-parse.c Wed May 14 20:41:44 2008
@@ -0,0 +1,551 @@
+/*
+ * Copyright 2007 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* Author: Soren Sandmann <sandmann redhat com> */
+
+#include "edid.h"
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#define TRUE 1
+#define FALSE 0
+
+static int
+get_bit (int in, int bit)
+{
+ return (in & (1 << bit)) >> bit;
+}
+
+static int
+get_bits (int in, int begin, int end)
+{
+ int mask = (1 << (end - begin + 1)) - 1;
+
+ return (in >> begin) & mask;
+}
+
+static int
+decode_header (const uchar *edid)
+{
+ if (memcmp (edid, "\x00\xff\xff\xff\xff\xff\xff\x00", 8) == 0)
+ return TRUE;
+ return FALSE;
+}
+
+static int
+decode_vendor_and_product_identification (const uchar *edid, MonitorInfo *info)
+{
+ int is_model_year;
+
+ /* Manufacturer Code */
+ info->manufacturer_code[0] = get_bits (edid[0x08], 2, 6);
+ info->manufacturer_code[1] = get_bits (edid[0x08], 0, 1) << 3;
+ info->manufacturer_code[1] |= get_bits (edid[0x09], 5, 7);
+ info->manufacturer_code[2] = get_bits (edid[0x09], 0, 4);
+ info->manufacturer_code[3] = '\0';
+
+ info->manufacturer_code[0] += 'A' - 1;
+ info->manufacturer_code[1] += 'A' - 1;
+ info->manufacturer_code[2] += 'A' - 1;
+
+ /* Product Code */
+ info->product_code = edid[0x0b] << 8 | edid[0x0a];
+
+ /* Serial Number */
+ info->serial_number =
+ edid[0x0c] | edid[0x0d] << 8 | edid[0x0e] << 16 | edid[0x0f] << 24;
+
+ /* Week and Year */
+ is_model_year = FALSE;
+ switch (edid[0x10])
+ {
+ case 0x00:
+ info->production_week = -1;
+ break;
+
+ case 0xff:
+ info->production_week = -1;
+ is_model_year = TRUE;
+ break;
+
+ default:
+ info->production_week = edid[0x10];
+ break;
+ }
+
+ if (is_model_year)
+ {
+ info->production_year = -1;
+ info->model_year = 1990 + edid[0x11];
+ }
+ else
+ {
+ info->production_year = 1990 + edid[0x11];
+ info->model_year = -1;
+ }
+
+ return TRUE;
+}
+
+static int
+decode_edid_version (const uchar *edid, MonitorInfo *info)
+{
+ info->major_version = edid[0x12];
+ info->minor_version = edid[0x13];
+
+ return TRUE;
+}
+
+static int
+decode_display_parameters (const uchar *edid, MonitorInfo *info)
+{
+ /* Digital vs Analog */
+ info->is_digital = get_bit (edid[0x14], 7);
+
+ if (info->is_digital)
+ {
+ int bits;
+
+ static const int bit_depth[8] =
+ {
+ -1, 6, 8, 10, 12, 14, 16, -1
+ };
+
+ static const Interface interfaces[6] =
+ {
+ UNDEFINED, DVI, HDMI_A, HDMI_B, MDDI, DISPLAY_PORT
+ };
+
+ bits = get_bits (edid[0x14], 4, 6);
+ info->digital.bits_per_primary = bit_depth[bits];
+
+ bits = get_bits (edid[0x14], 0, 3);
+
+ if (bits <= 5)
+ info->digital.interface = interfaces[bits];
+ else
+ info->digital.interface = UNDEFINED;
+ }
+ else
+ {
+ int bits = get_bits (edid[0x14], 5, 6);
+
+ static const double levels[][3] =
+ {
+ { 0.7, 0.3, 1.0 },
+ { 0.714, 0.286, 1.0 },
+ { 1.0, 0.4, 1.4 },
+ { 0.7, 0.0, 0.7 },
+ };
+
+ info->analog.video_signal_level = levels[bits][0];
+ info->analog.sync_signal_level = levels[bits][1];
+ info->analog.total_signal_level = levels[bits][2];
+
+ info->analog.blank_to_black = get_bit (edid[0x14], 4);
+
+ info->analog.separate_hv_sync = get_bit (edid[0x14], 3);
+ info->analog.composite_sync_on_h = get_bit (edid[0x14], 2);
+ info->analog.composite_sync_on_green = get_bit (edid[0x14], 1);
+
+ info->analog.serration_on_vsync = get_bit (edid[0x14], 0);
+ }
+
+ /* Screen Size / Aspect Ratio */
+ if (edid[0x15] == 0 && edid[0x16] == 0)
+ {
+ info->width_mm = -1;
+ info->height_mm = -1;
+ info->aspect_ratio = -1.0;
+ }
+ else if (edid[0x16] == 0)
+ {
+ info->width_mm = -1;
+ info->height_mm = -1;
+ info->aspect_ratio = 100.0 / (edid[0x15] + 99);
+ }
+ else if (edid[0x15] == 0)
+ {
+ info->width_mm = -1;
+ info->height_mm = -1;
+ info->aspect_ratio = 100.0 / (edid[0x16] + 99);
+ info->aspect_ratio = 1/info->aspect_ratio; /* portrait */
+ }
+ else
+ {
+ info->width_mm = 10 * edid[0x15];
+ info->height_mm = 10 * edid[0x16];
+ }
+
+ /* Gamma */
+ if (edid[0x17] == 0xFF)
+ info->gamma = -1.0;
+ else
+ info->gamma = (edid[0x17] + 100.0) / 100.0;
+
+ /* Features */
+ info->standby = get_bit (edid[0x18], 7);
+ info->suspend = get_bit (edid[0x18], 6);
+ info->active_off = get_bit (edid[0x18], 5);
+
+ if (info->is_digital)
+ {
+ info->digital.rgb444 = TRUE;
+ if (get_bit (edid[0x18], 3))
+ info->digital.ycrcb444 = 1;
+ if (get_bit (edid[0x18], 4))
+ info->digital.ycrcb422 = 1;
+ }
+ else
+ {
+ int bits = get_bits (edid[0x18], 3, 4);
+ ColorType color_type[4] =
+ {
+ MONOCHROME, RGB, OTHER_COLOR, UNDEFINED_COLOR
+ };
+
+ info->analog.color_type = color_type[bits];
+ }
+
+ info->srgb_is_standard = get_bit (edid[0x18], 2);
+
+ /* In 1.3 this is called "has preferred timing" */
+ info->preferred_timing_includes_native = get_bit (edid[0x18], 1);
+
+ /* FIXME: In 1.3 this indicates whether the monitor accepts GTF */
+ info->continuous_frequency = get_bit (edid[0x18], 0);
+ return TRUE;
+}
+
+static double
+decode_fraction (int high, int low)
+{
+ double result = 0.0;
+ int i;
+
+ high = (high << 2) | low;
+
+ for (i = 0; i < 10; ++i)
+ result += get_bit (high, i) * pow (2, i - 10);
+
+ return result;
+}
+
+static int
+decode_color_characteristics (const uchar *edid, MonitorInfo *info)
+{
+ info->red_x = decode_fraction (edid[0x1b], get_bits (edid[0x19], 6, 7));
+ info->red_y = decode_fraction (edid[0x1c], get_bits (edid[0x19], 5, 4));
+ info->green_x = decode_fraction (edid[0x1d], get_bits (edid[0x19], 2, 3));
+ info->green_y = decode_fraction (edid[0x1e], get_bits (edid[0x19], 0, 1));
+ info->blue_x = decode_fraction (edid[0x1f], get_bits (edid[0x1a], 6, 7));
+ info->blue_y = decode_fraction (edid[0x20], get_bits (edid[0x1a], 4, 5));
+ info->white_x = decode_fraction (edid[0x21], get_bits (edid[0x1a], 2, 3));
+ info->white_y = decode_fraction (edid[0x22], get_bits (edid[0x1a], 0, 1));
+
+ return TRUE;
+}
+
+static int
+decode_established_timings (const uchar *edid, MonitorInfo *info)
+{
+ static const Timing established[][8] =
+ {
+ {
+ { 800, 600, 60 },
+ { 800, 600, 56 },
+ { 640, 480, 75 },
+ { 640, 480, 72 },
+ { 640, 480, 67 },
+ { 640, 480, 60 },
+ { 720, 400, 88 },
+ { 720, 400, 70 }
+ },
+ {
+ { 1280, 1024, 75 },
+ { 1024, 768, 75 },
+ { 1024, 768, 70 },
+ { 1024, 768, 60 },
+ { 1024, 768, 87 },
+ { 832, 624, 75 },
+ { 800, 600, 75 },
+ { 800, 600, 72 }
+ },
+ {
+ { 0, 0, 0 },
+ { 0, 0, 0 },
+ { 0, 0, 0 },
+ { 0, 0, 0 },
+ { 0, 0, 0 },
+ { 0, 0, 0 },
+ { 0, 0, 0 },
+ { 1152, 870, 75 }
+ },
+ };
+
+ int i, j, idx;
+
+ idx = 0;
+ for (i = 0; i < 3; ++i)
+ {
+ for (j = 0; j < 8; ++j)
+ {
+ int byte = edid[0x23 + i];
+
+ if (get_bit (byte, j) && established[i][j].frequency != 0)
+ info->established[idx++] = established[i][j];
+ }
+ }
+ return TRUE;
+}
+
+static int
+decode_standard_timings (const uchar *edid, MonitorInfo *info)
+{
+ int i;
+
+ for (i = 0; i < 8; i++)
+ {
+ int first = edid[0x26 + 2 * i];
+ int second = edid[0x27 + 2 * i];
+
+ if (first != 0x01 && second != 0x01)
+ {
+ int w = 8 * (first + 31);
+ int h;
+
+ switch (get_bits (second, 6, 7))
+ {
+ case 0x00: h = (w / 16) * 10; break;
+ case 0x01: h = (w / 4) * 3; break;
+ case 0x02: h = (w / 5) * 4; break;
+ case 0x03: h = (w / 16) * 9; break;
+ }
+
+ info->standard[i].width = w;
+ info->standard[i].height = h;
+ info->standard[i].frequency = get_bits (second, 0, 5) + 60;
+ }
+ }
+
+ return TRUE;
+}
+
+static void
+decode_lf_string (const uchar *s, int n_chars, char *result)
+{
+ int i;
+ for (i = 0; i < n_chars; ++i)
+ {
+ if (s[i] == 0x0a)
+ {
+ *result++ = '\0';
+ break;
+ }
+ else if (s[i] == 0x00)
+ {
+ /* Convert embedded 0's to spaces */
+ *result++ = ' ';
+ }
+ else
+ {
+ *result++ = s[i];
+ }
+ }
+}
+
+static void
+decode_display_descriptor (const uchar *desc,
+ MonitorInfo *info)
+{
+ switch (desc[0x03])
+ {
+ case 0xFC:
+ decode_lf_string (desc + 5, 13, info->dsc_product_name);
+ break;
+ case 0xFF:
+ decode_lf_string (desc + 5, 13, info->dsc_serial_number);
+ break;
+ case 0xFE:
+ decode_lf_string (desc + 5, 13, info->dsc_string);
+ break;
+ case 0xFD:
+ /* Range Limits */
+ break;
+ case 0xFB:
+ /* Color Point */
+ break;
+ case 0xFA:
+ /* Timing Identifications */
+ break;
+ case 0xF9:
+ /* Color Management */
+ break;
+ case 0xF8:
+ /* Timing Codes */
+ break;
+ case 0xF7:
+ /* Established Timings */
+ break;
+ case 0x10:
+ break;
+ }
+}
+
+static void
+decode_detailed_timing (const uchar *timing,
+ DetailedTiming *detailed)
+{
+ int bits;
+ StereoType stereo[] =
+ {
+ NO_STEREO, NO_STEREO, FIELD_RIGHT, FIELD_LEFT,
+ TWO_WAY_RIGHT_ON_EVEN, TWO_WAY_LEFT_ON_EVEN,
+ FOUR_WAY_INTERLEAVED, SIDE_BY_SIDE
+ };
+
+ detailed->pixel_clock = (timing[0x00] | timing[0x01] << 8) * 10000;
+ detailed->h_addr = timing[0x02] | ((timing[0x04] & 0xf0) << 4);
+ detailed->h_blank = timing[0x03] | ((timing[0x04] & 0x0f) << 8);
+ detailed->v_addr = timing[0x05] | ((timing[0x07] & 0xf0) << 4);
+ detailed->v_blank = timing[0x06] | ((timing[0x07] & 0x0f) << 8);
+ detailed->h_front_porch = timing[0x08] | get_bits (timing[0x0b], 6, 7) << 8;
+ detailed->h_sync = timing[0x09] | get_bits (timing[0x0b], 4, 5) << 8;
+ detailed->v_front_porch =
+ get_bits (timing[0x0a], 4, 7) | get_bits (timing[0x0b], 2, 3) << 4;
+ detailed->v_sync =
+ get_bits (timing[0x0a], 0, 3) | get_bits (timing[0x0b], 0, 1) << 4;
+ detailed->width_mm = timing[0x0c] | get_bits (timing[0x0e], 4, 7) << 8;
+ detailed->height_mm = timing[0x0d] | get_bits (timing[0x0e], 0, 3) << 8;
+ detailed->right_border = timing[0x0f];
+ detailed->top_border = timing[0x10];
+
+ detailed->interlaced = get_bit (timing[0x11], 7);
+
+ /* Stereo */
+ bits = get_bits (timing[0x11], 5, 6) << 1 | get_bit (timing[0x11], 0);
+ detailed->stereo = stereo[bits];
+
+ /* Sync */
+ bits = timing[0x11];
+
+ detailed->digital_sync = get_bit (bits, 4);
+ if (detailed->digital_sync)
+ {
+ detailed->digital.composite = !get_bit (bits, 3);
+
+ if (detailed->digital.composite)
+ {
+ detailed->digital.serrations = get_bit (bits, 2);
+ detailed->digital.negative_vsync = FALSE;
+ }
+ else
+ {
+ detailed->digital.serrations = FALSE;
+ detailed->digital.negative_vsync = !get_bit (bits, 2);
+ }
+
+ detailed->digital.negative_hsync = !get_bit (bits, 0);
+ }
+ else
+ {
+ detailed->analog.bipolar = get_bit (bits, 3);
+ detailed->analog.serrations = get_bit (bits, 2);
+ detailed->analog.sync_on_green = !get_bit (bits, 1);
+ }
+}
+
+static int
+decode_descriptors (const uchar *edid, MonitorInfo *info)
+{
+ int i;
+ int timing_idx;
+
+ timing_idx = 0;
+
+ for (i = 0; i < 4; ++i)
+ {
+ int index = 0x36 + i * 18;
+
+ if (edid[index + 0] == 0x00 && edid[index + 1] == 0x00)
+ {
+ decode_display_descriptor (edid + index, info);
+ }
+ else
+ {
+ decode_detailed_timing (
+ edid + index, &(info->detailed_timings[timing_idx++]));
+ }
+ }
+
+ info->n_detailed_timings = timing_idx;
+
+ return TRUE;
+}
+
+static void
+decode_check_sum (const uchar *edid,
+ MonitorInfo *info)
+{
+ int i;
+ uchar check = 0;
+
+ for (i = 0; i < 128; ++i)
+ check += edid[i];
+
+ info->checksum = check;
+}
+
+MonitorInfo *
+decode_edid (const uchar *edid)
+{
+ MonitorInfo *info = calloc (1, sizeof (MonitorInfo));
+
+ decode_check_sum (edid, info);
+
+ if (!decode_header (edid))
+ return NULL;
+
+ if (!decode_vendor_and_product_identification (edid, info))
+ return NULL;
+
+ if (!decode_edid_version (edid, info))
+ return NULL;
+
+ if (!decode_display_parameters (edid, info))
+ return NULL;
+
+ if (!decode_color_characteristics (edid, info))
+ return NULL;
+
+ if (!decode_established_timings (edid, info))
+ return NULL;
+
+ if (!decode_standard_timings (edid, info))
+ return NULL;
+
+ if (!decode_descriptors (edid, info))
+ return NULL;
+
+ return info;
+}
Added: branches/randr-12/libgnome-desktop/edid.h
==============================================================================
--- (empty file)
+++ branches/randr-12/libgnome-desktop/edid.h Wed May 14 20:41:44 2008
@@ -0,0 +1,170 @@
+typedef unsigned char uchar;
+typedef struct MonitorInfo MonitorInfo;
+typedef struct Timing Timing;
+typedef struct DetailedTiming DetailedTiming;
+
+typedef enum
+{
+ UNDEFINED,
+ DVI,
+ HDMI_A,
+ HDMI_B,
+ MDDI,
+ DISPLAY_PORT
+} Interface;
+
+typedef enum
+{
+ UNDEFINED_COLOR,
+ MONOCHROME,
+ RGB,
+ OTHER_COLOR
+} ColorType;
+
+typedef enum
+{
+ NO_STEREO,
+ FIELD_RIGHT,
+ FIELD_LEFT,
+ TWO_WAY_RIGHT_ON_EVEN,
+ TWO_WAY_LEFT_ON_EVEN,
+ FOUR_WAY_INTERLEAVED,
+ SIDE_BY_SIDE
+} StereoType;
+
+struct Timing
+{
+ int width;
+ int height;
+ int frequency;
+};
+
+struct DisplayDescriptor
+{
+};
+
+struct DetailedTiming
+{
+ int pixel_clock;
+ int h_addr;
+ int h_blank;
+ int h_sync;
+ int h_front_porch;
+ int v_addr;
+ int v_blank;
+ int v_sync;
+ int v_front_porch;
+ int width_mm;
+ int height_mm;
+ int right_border;
+ int top_border;
+ int interlaced;
+ StereoType stereo;
+
+ int digital_sync;
+ union
+ {
+ struct
+ {
+ int bipolar;
+ int serrations;
+ int sync_on_green;
+ } analog;
+
+ struct
+ {
+ int composite;
+ int serrations;
+ int negative_vsync;
+ int negative_hsync;
+ } digital;
+ };
+};
+
+struct MonitorInfo
+{
+ int checksum;
+ char manufacturer_code[4];
+ int product_code;
+ unsigned int serial_number;
+
+ int production_week; /* -1 if not specified */
+ int production_year; /* -1 if not specified */
+ int model_year; /* -1 if not specified */
+
+ int major_version;
+ int minor_version;
+
+ int is_digital;
+
+ union
+ {
+ struct
+ {
+ int bits_per_primary;
+ Interface interface;
+ int rgb444;
+ int ycrcb444;
+ int ycrcb422;
+ } digital;
+
+ struct
+ {
+ double video_signal_level;
+ double sync_signal_level;
+ double total_signal_level;
+
+ int blank_to_black;
+
+ int separate_hv_sync;
+ int composite_sync_on_h;
+ int composite_sync_on_green;
+ int serration_on_vsync;
+ ColorType color_type;
+ } analog;
+ };
+
+ int width_mm; /* -1 if not specified */
+ int height_mm; /* -1 if not specified */
+ double aspect_ratio; /* -1.0 if not specififed */
+
+ double gamma; /* -1.0 if not specified */
+
+ int standby;
+ int suspend;
+ int active_off;
+
+ int srgb_is_standard;
+ int preferred_timing_includes_native;
+ int continuous_frequency;
+
+ double red_x;
+ double red_y;
+ double green_x;
+ double green_y;
+ double blue_x;
+ double blue_y;
+ double white_x;
+ double white_y;
+
+ Timing established[24]; /* Terminated by 0x0x0 */
+ Timing standard[8];
+
+ int n_detailed_timings;
+ DetailedTiming detailed_timings[4]; /* If monitor has a preferred
+ * mode, it is the first one
+ * (whether it has, is
+ * determined by the
+ * preferred_timing_includes
+ * bit.
+ */
+
+ /* Optional product description */
+ char dsc_serial_number[14];
+ char dsc_product_name[14];
+ char dsc_string[14]; /* Unspecified ASCII data */
+};
+
+MonitorInfo *decode_edid (const uchar *data);
+char * make_display_name (const char *output_name,
+ const MonitorInfo *info);
Modified: branches/randr-12/libgnome-desktop/libgnomeui/Makefile.am
==============================================================================
--- branches/randr-12/libgnome-desktop/libgnomeui/Makefile.am (original)
+++ branches/randr-12/libgnome-desktop/libgnomeui/Makefile.am Wed May 14 20:41:44 2008
@@ -1,5 +1,7 @@
libgnomeui_desktopdir = $(includedir)/gnome-desktop-2.0/libgnomeui
-libgnomeui_desktop_HEADERS = \
- gnome-ditem-edit.h \
- gnome-hint.h \
- gnome-bg.h
+libgnomeui_desktop_HEADERS = \
+ gnome-ditem-edit.h \
+ gnome-hint.h \
+ gnome-bg.h \
+ randrwrap.h \
+ monitor-db.h
Added: branches/randr-12/libgnome-desktop/libgnomeui/monitor-db.h
==============================================================================
--- (empty file)
+++ branches/randr-12/libgnome-desktop/libgnomeui/monitor-db.h Wed May 14 20:41:44 2008
@@ -0,0 +1,52 @@
+#ifndef MONITOR_DB_H
+#define MONITOR_DB_H
+
+#include <libgnomeui/randrwrap.h>
+#include <glib.h>
+
+typedef struct Output Output;
+typedef struct Configuration Configuration;
+
+struct Output
+{
+ char * name;
+
+ gboolean on;
+ int width;
+ int height;
+ int rate;
+ int x;
+ int y;
+ RWRotation rotation;
+
+ gboolean connected;
+ char vendor[4];
+ guint product;
+ guint serial;
+ double aspect;
+ int pref_width;
+ int pref_height;
+ char * display_name;
+
+ gpointer user_data;
+};
+
+struct Configuration
+{
+ gboolean clone;
+
+ Output **outputs;
+};
+
+void configuration_free (Configuration *configuration);
+Configuration *configuration_new_current (RWScreen *screen);
+gboolean configuration_match (Configuration *config1,
+ Configuration *config2);
+gboolean configuration_save (Configuration *configuration,
+ GError **err);
+void configuration_sanitize (Configuration *configuration);
+gboolean configuration_apply_stored (RWScreen *screen);
+gboolean configuration_applicable (Configuration *configuration,
+ RWScreen *screen);
+
+#endif
Added: branches/randr-12/libgnome-desktop/libgnomeui/randrwrap.h
==============================================================================
--- (empty file)
+++ branches/randr-12/libgnome-desktop/libgnomeui/randrwrap.h Wed May 14 20:41:44 2008
@@ -0,0 +1,96 @@
+#ifndef RANDR_WRAP_H
+#define RANDR_WRAP_H
+
+#include <glib.h>
+#include <gdk/gdk.h>
+
+typedef struct RWScreen RWScreen;
+typedef struct RWOutput RWOutput;
+typedef struct RWCrtc RWCrtc;
+typedef struct RWMode RWMode;
+
+typedef void (* RWScreenChanged) (RWScreen *screen, gpointer data);
+
+typedef enum
+{
+ RW_ROTATION_0 = (1 << 0),
+ RW_ROTATION_90 = (1 << 1),
+ RW_ROTATION_180 = (1 << 2),
+ RW_ROTATION_270 = (1 << 3),
+ RW_REFLECT_X = (1 << 4),
+ RW_REFLECT_Y = (1 << 5)
+} RWRotation;
+
+/* RWScreen */
+RWScreen * rw_screen_new (GdkScreen *screen,
+ RWScreenChanged callback,
+ gpointer data);
+RWOutput ** rw_screen_list_outputs (RWScreen *screen);
+RWCrtc ** rw_screen_list_crtcs (RWScreen *screen);
+RWMode ** rw_screen_list_modes (RWScreen *screen);
+void rw_screen_set_size (RWScreen *screen,
+ int width,
+ int height,
+ int mm_width,
+ int mm_height);
+RWCrtc * rw_screen_get_crtc_by_id (RWScreen *screen,
+ guint32 id);
+gboolean rw_screen_refresh (RWScreen *screen);
+RWOutput * rw_screen_get_output_by_id (RWScreen *screen,
+ guint32 id);
+RWOutput * rw_screen_get_output_by_name (RWScreen *screen,
+ const char *name);
+void rw_screen_get_ranges (RWScreen *screen,
+ int *min_width,
+ int *max_width,
+ int *min_height,
+ int *max_height);
+
+/* RWOutput */
+guint32 rw_output_get_id (RWOutput *output);
+const char * rw_output_get_name (RWOutput *output);
+gboolean rw_output_is_connected (RWOutput *output);
+int rw_output_get_size_inches (RWOutput *output);
+int rw_output_get_width_mm (RWOutput *outout);
+int rw_output_get_height_mm (RWOutput *output);
+const guint8 *rw_output_get_edid_data (RWOutput *output);
+RWCrtc ** rw_output_get_possible_crtcs (RWOutput *output);
+RWMode * rw_output_get_current_mode (RWOutput *output);
+RWCrtc * rw_output_get_crtc (RWOutput *output);
+void rw_output_get_position (RWOutput *output,
+ int *x,
+ int *y);
+gboolean rw_output_can_clone (RWOutput *output,
+ RWOutput *clone);
+RWMode ** rw_output_list_modes (RWOutput *output);
+RWMode * rw_output_get_preferred_mode (RWOutput *output);
+gboolean rw_output_supports_mode (RWOutput *output,
+ RWMode *mode);
+
+/* RWMode */
+guint32 rw_mode_get_id (RWMode *mode);
+guint rw_mode_get_width (RWMode *mode);
+guint rw_mode_get_height (RWMode *mode);
+int rw_mode_get_freq (RWMode *mode);
+
+/* RWCrtc */
+guint32 rw_crtc_get_id (RWCrtc *crtc);
+gboolean rw_crtc_set_config (RWCrtc *crtc,
+ int x,
+ int y,
+ RWMode *mode,
+ RWRotation rotation,
+ RWOutput **outputs,
+ int n_outputs);
+gboolean rw_crtc_can_drive_output (RWCrtc *crtc,
+ RWOutput *output);
+RWMode * rw_crtc_get_current_mode (RWCrtc *crtc);
+void rw_crtc_get_position (RWCrtc *crtc,
+ int *x,
+ int *y);
+RWRotation rw_crtc_get_current_rotation (RWCrtc *crtc);
+RWRotation rw_crtc_get_rotations (RWCrtc *crtc);
+gboolean rw_crtc_supports_rotation (RWCrtc *crtc,
+ RWRotation rotation);
+
+#endif
Added: branches/randr-12/libgnome-desktop/monitor-db.c
==============================================================================
--- (empty file)
+++ branches/randr-12/libgnome-desktop/monitor-db.c Wed May 14 20:41:44 2008
@@ -0,0 +1,1379 @@
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+#include "libgnomeui/monitor-db.h"
+#include "edid.h"
+
+#define CONFIG_BASENAME "monitors.xml"
+
+/* In version 0 of the config file format, we had several <configuration> toplevel elements
+ * and no explicit version number. So, the filed looked like
+ *
+ * <configuration>
+ * ...
+ * </configuration>
+ * <configuration>
+ * ...
+ * </configuration>
+ *
+ * Since version 1 of the config file, the file has a toplevel <monitors> element to group
+ * all the configurations. That element has a "version" attribute which is an integer.
+ * So, the file looks like this:
+ *
+ * <monitors>
+ * <configuration>
+ * ...
+ * </configuration>
+ * <configuration>
+ * ...
+ * </configuration>
+ * </monitors>
+ */
+
+/* A helper wrapper around the GMarkup parser stuff */
+static gboolean parse_file_gmarkup (const gchar *file,
+ const GMarkupParser *parser,
+ gpointer data,
+ GError **err);
+
+typedef struct CrtcAssignment CrtcAssignment;
+
+static void crtc_assignment_apply (CrtcAssignment *assign);
+static CrtcAssignment *crtc_assignment_new (RWScreen *screen,
+ Output **outputs);
+static void crtc_assignment_free (CrtcAssignment *assign);
+static void output_free (Output *output);
+static Output * output_copy (Output *output);
+
+static gchar *get_old_config_filename (void);
+static gchar *get_config_filename (void);
+
+typedef struct Parser Parser;
+
+/* Parser for monitor configurations */
+struct Parser
+{
+ int config_file_version;
+ Output *output;
+ Configuration *configuration;
+ GPtrArray *outputs;
+ GPtrArray *configurations;
+ GQueue *stack;
+};
+
+static int
+parse_int (const char *text)
+{
+ return strtol (text, NULL, 0);
+}
+
+static guint
+parse_uint (const char *text)
+{
+ return strtoul (text, NULL, 0);
+}
+
+static gboolean
+stack_is (Parser *parser,
+ const char *s1,
+ ...)
+{
+ GList *stack = NULL;
+ const char *s;
+ GList *l1, *l2;
+ va_list args;
+
+ stack = g_list_prepend (stack, (gpointer)s1);
+
+ va_start (args, s1);
+
+ s = va_arg (args, const char *);
+ while (s)
+ {
+ stack = g_list_prepend (stack, (gpointer)s);
+ s = va_arg (args, const char *);
+ }
+
+ l1 = stack;
+ l2 = parser->stack->head;
+
+ while (l1 && l2)
+ {
+ if (strcmp (l1->data, l2->data) != 0)
+ {
+ g_list_free (stack);
+ return FALSE;
+ }
+
+ l1 = l1->next;
+ l2 = l2->next;
+ }
+
+ g_list_free (stack);
+
+ return (!l1 && !l2);
+}
+
+static void
+handle_start_element (GMarkupParseContext *context,
+ const gchar *name,
+ const gchar **attr_names,
+ const gchar **attr_values,
+ gpointer user_data,
+ GError **err)
+{
+ Parser *parser = user_data;
+
+ if (strcmp (name, "output") == 0)
+ {
+ int i;
+ g_assert (parser->output == NULL);
+
+ parser->output = g_new0 (Output, 1);
+ parser->output->rotation = 0;
+
+ for (i = 0; attr_names[i] != NULL; ++i)
+ {
+ if (strcmp (attr_names[i], "name") == 0)
+ {
+ parser->output->name = g_strdup (attr_values[i]);
+ break;
+ }
+ }
+
+ if (!parser->output->name)
+ {
+ /* This really shouldn't happen, but it's better to make
+ * something up than to crash later.
+ */
+ g_warning ("Malformed monitor configuration file");
+
+ parser->output->name = g_strdup ("default");
+ }
+ parser->output->connected = FALSE;
+ parser->output->on = FALSE;
+ }
+ else if (strcmp (name, "configuration") == 0)
+ {
+ g_assert (parser->configuration == NULL);
+
+ parser->configuration = g_new0 (Configuration, 1);
+ parser->configuration->clone = FALSE;
+ parser->configuration->outputs = g_new0 (Output *, 1);
+ }
+ else if (strcmp (name, "monitors") == 0)
+ {
+ int i;
+
+ for (i = 0; attr_names[i] != NULL; i++)
+ {
+ if (strcmp (attr_names[i], "version") == 0)
+ {
+ parser->config_file_version = parse_int (attr_values[i]);
+ break;
+ }
+ }
+ }
+
+ g_queue_push_tail (parser->stack, g_strdup (name));
+}
+
+static void
+handle_end_element (GMarkupParseContext *context,
+ const gchar *name,
+ gpointer user_data,
+ GError **err)
+{
+ Parser *parser = user_data;
+
+ if (strcmp (name, "output") == 0)
+ {
+ /* If no rotation properties were set, just use RW_ROTATION_0 */
+ if (parser->output->rotation == 0)
+ parser->output->rotation = RW_ROTATION_0;
+
+ g_ptr_array_add (parser->outputs, parser->output);
+
+ parser->output = NULL;
+ }
+ else if (strcmp (name, "configuration") == 0)
+ {
+ g_ptr_array_add (parser->outputs, NULL);
+ parser->configuration->outputs =
+ (Output **)g_ptr_array_free (parser->outputs, FALSE);
+ parser->outputs = g_ptr_array_new ();
+ g_ptr_array_add (parser->configurations, parser->configuration);
+ parser->configuration = NULL;
+ }
+
+ g_free (g_queue_pop_tail (parser->stack));
+}
+
+#define TOPLEVEL_ELEMENT (parser->config_file_version > 0 ? "monitors" : NULL)
+
+static void
+handle_text (GMarkupParseContext *context,
+ const gchar *text,
+ gsize text_len,
+ gpointer user_data,
+ GError **err)
+{
+ Parser *parser = user_data;
+
+ if (stack_is (parser, "vendor", "output", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ parser->output->connected = TRUE;
+
+ strncpy (parser->output->vendor, text, 3);
+ parser->output->vendor[3] = 0;
+ }
+ else if (stack_is (parser, "clone", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ if (strcmp (text, "yes") == 0)
+ parser->configuration->clone = TRUE;
+ }
+ else if (stack_is (parser, "product", "output", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ parser->output->connected = TRUE;
+
+ parser->output->product = parse_int (text);
+ }
+ else if (stack_is (parser, "serial", "output", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ parser->output->connected = TRUE;
+
+ parser->output->serial = parse_uint (text);
+ }
+ else if (stack_is (parser, "width", "output", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ parser->output->on = TRUE;
+
+ parser->output->width = parse_int (text);
+ }
+ else if (stack_is (parser, "x", "output", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ parser->output->on = TRUE;
+
+ parser->output->x = parse_int (text);
+ }
+ else if (stack_is (parser, "y", "output", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ parser->output->on = TRUE;
+
+ parser->output->y = parse_int (text);
+ }
+ else if (stack_is (parser, "height", "output", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ parser->output->on = TRUE;
+
+ parser->output->height = parse_int (text);
+ }
+ else if (stack_is (parser, "rate", "output", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ parser->output->on = TRUE;
+
+ parser->output->rate = parse_int (text);
+ }
+ else if (stack_is (parser, "rotation", "output", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ if (strcmp (text, "normal") == 0)
+ {
+ parser->output->rotation |= RW_ROTATION_0;
+ }
+ else if (strcmp (text, "left") == 0)
+ {
+ parser->output->rotation |= RW_ROTATION_90;
+ }
+ else if (strcmp (text, "upside_down") == 0)
+ {
+ parser->output->rotation |= RW_ROTATION_180;
+ }
+ else if (strcmp (text, "right") == 0)
+ {
+ parser->output->rotation |= RW_ROTATION_270;
+ }
+ }
+ else if (stack_is (parser, "reflect_x", "output", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ if (strcmp (text, "yes") == 0)
+ {
+ parser->output->rotation |= RW_REFLECT_X;
+ }
+ }
+ else if (stack_is (parser, "reflect_y", "output", "configuration", TOPLEVEL_ELEMENT, NULL))
+ {
+ if (strcmp (text, "yes") == 0)
+ {
+ parser->output->rotation |= RW_REFLECT_Y;
+ }
+ }
+ else
+ {
+ /* Ignore other properties so we can expand the format in the future */
+ }
+}
+
+static void
+parser_free (Parser *parser)
+{
+ int i;
+ GList *list;
+
+ g_assert (parser != NULL);
+
+ if (parser->output)
+ output_free (parser->output);
+
+ if (parser->configuration)
+ configuration_free (parser->configuration);
+
+ for (i = 0; i < parser->outputs->len; ++i)
+ {
+ Output *output = parser->outputs->pdata[i];
+
+ output_free (output);
+ }
+
+ g_ptr_array_free (parser->outputs, TRUE);
+
+ for (i = 0; i < parser->configurations->len; ++i)
+ {
+ Configuration *config = parser->configurations->pdata[i];
+
+ configuration_free (config);
+ }
+
+ g_ptr_array_free (parser->configurations, TRUE);
+
+ for (list = parser->stack->head; list; list = list->next)
+ g_free (list->data);
+ g_queue_free (parser->stack);
+
+ g_free (parser);
+}
+
+static Configuration **
+configurations_read_from_file (const gchar *filename, GError **error)
+{
+ Parser *parser = g_new0 (Parser, 1);
+ Configuration **result;
+ GMarkupParser callbacks = {
+ handle_start_element,
+ handle_end_element,
+ handle_text,
+ NULL, /* passthrough */
+ NULL, /* error */
+ };
+
+ parser->config_file_version = 0;
+ parser->configurations = g_ptr_array_new ();
+ parser->outputs = g_ptr_array_new ();
+ parser->stack = g_queue_new ();
+
+ if (!parse_file_gmarkup (filename, &callbacks, parser, error))
+ {
+ result = NULL;
+
+ g_assert (parser->outputs);
+ goto out;
+ }
+
+ g_assert (parser->outputs);
+
+ g_ptr_array_add (parser->configurations, NULL);
+ result = (Configuration **)g_ptr_array_free (parser->configurations, FALSE);
+ parser->configurations = g_ptr_array_new ();
+
+ g_assert (parser->outputs);
+out:
+ parser_free (parser);
+
+ return result;
+}
+
+static Configuration **
+configurations_read (GError **error)
+{
+ char *filename;
+ Configuration **configs;
+ GError *err;
+
+ /* Try the new configuration file... */
+
+ filename = get_config_filename ();
+
+ err = NULL;
+ configs = configurations_read_from_file (filename, &err);
+
+ g_free (filename);
+
+ if (g_error_matches (err, G_FILE_ERROR, G_FILE_ERROR_NOENT))
+ {
+ g_error_free (err);
+
+ /* Okay, so try the old configuration file */
+ filename = get_old_config_filename ();
+ configs = configurations_read_from_file (filename, error);
+ g_free (filename);
+
+ return configs;
+ }
+
+ g_propagate_error (error, err);
+ return configs;
+}
+
+Configuration *
+configuration_new_current (RWScreen *screen)
+{
+ Configuration *config = g_new0 (Configuration, 1);
+ GPtrArray *a = g_ptr_array_new ();
+ RWOutput **rw_outputs;
+ int i;
+ int clone_width = -1;
+ int clone_height = -1;
+
+ g_return_val_if_fail (screen != NULL, NULL);
+
+ rw_outputs = rw_screen_list_outputs (screen);
+
+ config->clone = FALSE;
+
+ for (i = 0; rw_outputs[i] != NULL; ++i)
+ {
+ RWOutput *rw_output = rw_outputs[i];
+ Output *output = g_new0 (Output, 1);
+ RWMode *mode = NULL;
+ const guint8 *edid_data = rw_output_get_edid_data (rw_output);
+ RWCrtc *crtc;
+
+ output->name = g_strdup (rw_output_get_name (rw_output));
+ output->connected = rw_output_is_connected (rw_output);
+
+ if (!output->connected)
+ {
+ output->x = -1;
+ output->y = -1;
+ output->width = -1;
+ output->height = -1;
+ output->rate = -1;
+ output->rotation = RW_ROTATION_0;
+ }
+ else
+ {
+ MonitorInfo *info = NULL;
+
+ if (edid_data)
+ info = decode_edid (edid_data);
+
+ if (info)
+ {
+ memcpy (output->vendor, info->manufacturer_code,
+ sizeof (output->vendor));
+
+ output->product = info->product_code;
+ output->serial = info->serial_number;
+ output->aspect = info->aspect_ratio;
+ }
+ else
+ {
+ strcpy (output->vendor, "???");
+ output->product = 0;
+ output->serial = 0;
+ }
+
+ output->display_name = make_display_name (
+ rw_output_get_name (rw_output), info);
+
+ g_free (info);
+
+ crtc = rw_output_get_crtc (rw_output);
+ mode = crtc? rw_crtc_get_current_mode (crtc) : NULL;
+
+ if (crtc && mode)
+ {
+ output->on = TRUE;
+
+ rw_crtc_get_position (crtc, &output->x, &output->y);
+ output->width = rw_mode_get_width (mode);
+ output->height = rw_mode_get_height (mode);
+ output->rate = rw_mode_get_freq (mode);
+ output->rotation = rw_crtc_get_current_rotation (crtc);
+
+ if (output->x == 0 && output->y == 0) {
+ if (clone_width == -1) {
+ clone_width = output->width;
+ clone_height = output->height;
+ } else if (clone_width == output->width &&
+ clone_height == output->height) {
+ config->clone = TRUE;
+ }
+ }
+ }
+ else
+ {
+ output->on = FALSE;
+ config->clone = FALSE;
+ }
+
+ /* Get preferred size for the monitor */
+ mode = rw_output_get_preferred_mode (rw_output);
+
+ if (!mode)
+ {
+ RWMode **modes = rw_output_list_modes (rw_output);
+
+ /* FIXME: we should pick the "best" mode here, where best is
+ * sorted wrt
+ *
+ * - closest aspect ratio
+ * - mode area
+ * - refresh rate
+ * - We may want to extend randrwrap so that get_preferred
+ * returns that - although that could also depend on
+ * the crtc.
+ */
+ if (modes[0])
+ mode = modes[0];
+ }
+
+ if (mode)
+ {
+ output->pref_width = rw_mode_get_width (mode);
+ output->pref_height = rw_mode_get_height (mode);
+ }
+ else
+ {
+ /* Pick some random numbers. This should basically never happen */
+ output->pref_width = 1024;
+ output->pref_height = 768;
+ }
+ }
+
+ g_ptr_array_add (a, output);
+ }
+
+ g_ptr_array_add (a, NULL);
+
+ config->outputs = (Output **)g_ptr_array_free (a, FALSE);
+
+ g_assert (configuration_match (config, config));
+
+ return config;
+}
+
+static void
+output_free (Output *output)
+{
+ if (output->display_name)
+ g_free (output->display_name);
+
+ if (output->name)
+ g_free (output->name);
+
+ g_free (output);
+}
+
+static Output *
+output_copy (Output *output)
+{
+ Output *copy = g_new0 (Output, 1);
+
+ *copy = *output;
+
+ copy->name = g_strdup (output->name);
+ copy->display_name = g_strdup (output->display_name);
+
+ return copy;
+}
+
+static void
+outputs_free (Output **outputs)
+{
+ int i;
+
+ g_assert (outputs != NULL);
+
+ for (i = 0; outputs[i] != NULL; ++i)
+ output_free (outputs[i]);
+}
+
+void
+configuration_free (Configuration *config)
+{
+ g_return_if_fail (config != NULL);
+ outputs_free (config->outputs);
+
+ g_free (config);
+}
+
+static void
+configurations_free (Configuration **configurations)
+{
+ int i;
+
+ g_assert (configurations != NULL);
+
+ for (i = 0; configurations[i] != NULL; ++i)
+ configuration_free (configurations[i]);
+
+ g_free (configurations);
+}
+
+static gboolean
+parse_file_gmarkup (const gchar *filename,
+ const GMarkupParser *parser,
+ gpointer data,
+ GError **err)
+{
+ GMarkupParseContext *context = NULL;
+ gchar *contents = NULL;
+ gboolean result = TRUE;
+ gsize len;
+
+ if (!g_file_get_contents (filename, &contents, &len, err))
+ {
+ result = FALSE;
+ goto out;
+ }
+
+ context = g_markup_parse_context_new (parser, 0, data, NULL);
+
+ if (!g_markup_parse_context_parse (context, contents, len, err))
+ {
+ result = FALSE;
+ goto out;
+ }
+
+ if (!g_markup_parse_context_end_parse (context, err))
+ {
+ result = FALSE;
+ goto out;
+ }
+
+out:
+ if (contents)
+ g_free (contents);
+
+ if (context)
+ g_markup_parse_context_free (context);
+
+ return result;
+}
+
+static gboolean
+output_match (Output *output1, Output *output2)
+{
+ g_assert (output1 != NULL);
+ g_assert (output2 != NULL);
+
+ if (strcmp (output1->name, output2->name) != 0)
+ return FALSE;
+
+ if (strcmp (output1->vendor, output2->vendor) != 0)
+ return FALSE;
+
+ if (output1->product != output2->product)
+ return FALSE;
+
+ if (output1->serial != output2->serial)
+ return FALSE;
+
+ if (output1->connected != output2->connected)
+ return FALSE;
+
+ return TRUE;
+}
+
+static Output *
+find_output (Configuration *config, const char *name)
+{
+ int i;
+
+ for (i = 0; config->outputs[i] != NULL; ++i)
+ {
+ Output *output = config->outputs[i];
+
+ if (strcmp (name, output->name) == 0)
+ return output;
+ }
+
+ return NULL;
+}
+
+gboolean
+configuration_match (Configuration *c1, Configuration *c2)
+{
+ int i;
+
+ for (i = 0; c1->outputs[i] != NULL; ++i)
+ {
+ Output *output1 = c1->outputs[i];
+ Output *output2;
+
+ output2 = find_output (c2, output1->name);
+ if (!output2 || !output_match (output1, output2))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static Output **
+make_outputs (Configuration *config)
+{
+ GPtrArray *outputs;
+ Output *first_on;;
+ int i;
+
+ outputs = g_ptr_array_new ();
+
+ first_on = NULL;
+
+ for (i = 0; config->outputs[i] != NULL; ++i)
+ {
+ Output *old = config->outputs[i];
+ Output *new = output_copy (old);
+
+ if (old->on && !first_on)
+ first_on = old;
+
+ if (config->clone && new->on)
+ {
+ g_assert (first_on);
+
+ new->width = first_on->width;
+ new->height = first_on->height;
+ new->rotation = first_on->rotation;
+ new->x = 0;
+ new->y = 0;
+ }
+
+ g_ptr_array_add (outputs, new);
+ }
+
+ g_ptr_array_add (outputs, NULL);
+
+ return (Output **)g_ptr_array_free (outputs, FALSE);
+}
+
+gboolean
+configuration_applicable (Configuration *configuration,
+ RWScreen *screen)
+{
+ Output **outputs = make_outputs (configuration);
+ CrtcAssignment *assign = crtc_assignment_new (screen, outputs);
+ gboolean result;
+
+ if (assign)
+ {
+ result = TRUE;
+ crtc_assignment_free (assign);
+ }
+ else
+ {
+ result = FALSE;
+ }
+
+ outputs_free (outputs);
+
+ return result;
+}
+
+static Configuration *
+configuration_find (Configuration **haystack,
+ Configuration *needle)
+{
+ int i;
+
+ for (i = 0; haystack[i] != NULL; ++i)
+ {
+ if (configuration_match (haystack[i], needle))
+ return haystack[i];
+ }
+
+ return NULL;
+}
+
+/* Database management */
+
+static gchar *
+get_old_config_filename (void)
+{
+ return g_build_filename (g_get_home_dir(), ".gnome2", CONFIG_BASENAME, NULL);
+}
+
+static gchar *
+get_config_filename (void)
+{
+ return g_build_filename (g_get_user_config_dir (), CONFIG_BASENAME, NULL);
+}
+
+static const char *
+get_rotation_name (RWRotation r)
+{
+ if (r & RW_ROTATION_0)
+ return "normal";
+ if (r & RW_ROTATION_90)
+ return "left";
+ if (r & RW_ROTATION_180)
+ return "upside_down";
+ if (r & RW_ROTATION_270)
+ return "right";
+
+ return "normal";
+}
+
+static const char *
+yes_no (int x)
+{
+ return x? "yes" : "no";
+}
+
+static const char *
+get_reflect_x (RWRotation r)
+{
+ return yes_no (r & RW_REFLECT_X);
+}
+
+static const char *
+get_reflect_y (RWRotation r)
+{
+ return yes_no (r & RW_REFLECT_Y);
+}
+
+static void
+emit_configuration (Configuration *config,
+ GString *string)
+{
+ int j;
+
+ g_string_append_printf (string, " <configuration>\n");
+
+ g_string_append_printf (string, " <clone>%s</clone>\n", yes_no (config->clone));
+
+ for (j = 0; config->outputs[j] != NULL; ++j)
+ {
+ Output *output = config->outputs[j];
+
+ g_string_append_printf (
+ string, " <output name=\"%s\">\n", output->name);
+
+ if (output->connected && *output->vendor != '\0')
+ {
+ g_string_append_printf (
+ string, " <vendor>%s</vendor>\n", output->vendor);
+ g_string_append_printf (
+ string, " <product>0x%04x</product>\n", output->product);
+ g_string_append_printf (
+ string, " <serial>0x%08x</serial>\n", output->serial);
+ }
+
+ /* An unconnected output which is on does not make sense */
+ if (output->connected && output->on)
+ {
+ g_string_append_printf (
+ string, " <width>%d</width>\n", output->width);
+ g_string_append_printf (
+ string, " <height>%d</height>\n", output->height);
+ g_string_append_printf (
+ string, " <rate>%d</rate>\n", output->rate);
+ g_string_append_printf (
+ string, " <x>%d</x>\n", output->x);
+ g_string_append_printf (
+ string, " <y>%d</y>\n", output->y);
+ g_string_append_printf (
+ string, " <rotation>%s</rotation>\n", get_rotation_name (output->rotation));
+ g_string_append_printf (
+ string, " <reflect_x>%s</reflect_x>\n", get_reflect_x (output->rotation));
+ g_string_append_printf (
+ string, " <reflect_y>%s</reflect_y>\n", get_reflect_y (output->rotation));
+ }
+
+ g_string_append_printf (string, " </output>\n");
+ }
+
+ g_string_append_printf (string, " </configuration>\n");
+}
+
+void
+configuration_sanitize (Configuration *config)
+{
+ int i;
+ int x_offset, y_offset;
+
+ /* Offset everything by the top/left-most coordinate to
+ * make sure the configuration starts at (0, 0)
+ */
+ x_offset = y_offset = G_MAXINT;
+ for (i = 0; config->outputs[i]; ++i)
+ {
+ Output *output = config->outputs[i];
+
+ if (output->on)
+ {
+ x_offset = MIN (x_offset, output->x);
+ y_offset = MIN (y_offset, output->y);
+ }
+ }
+
+ for (i = 0; config->outputs[i]; ++i)
+ {
+ Output *output = config->outputs[i];
+
+ if (output->on)
+ {
+ output->x -= x_offset;
+ output->y -= y_offset;
+ }
+ }
+}
+
+
+gboolean
+configuration_save (Configuration *configuration, GError **err)
+{
+ Configuration **configurations;
+ GString *output = g_string_new("");
+ int i;
+ gchar *filename;
+ gboolean result;
+
+ configurations = configurations_read (NULL); /* NULL-GError */
+
+ g_string_append_printf (output, "<monitors version=\"1\">\n");
+
+ if (configurations)
+ {
+ for (i = 0; configurations[i] != NULL; ++i)
+ {
+ if (!configuration_match (configurations[i], configuration))
+ emit_configuration (configurations[i], output);
+ }
+
+ configurations_free (configurations);
+ }
+
+ emit_configuration (configuration, output);
+
+ g_string_append_printf (output, "</monitors>\n");
+
+ filename = get_config_filename ();
+ result = g_file_set_contents (filename, output->str, -1, err);
+ g_free (filename);
+
+ if (result)
+ {
+ /* Only remove the old config file if we were successful in saving the new one */
+
+ filename = get_old_config_filename ();
+ if (g_file_test (filename, G_FILE_TEST_EXISTS))
+ unlink (filename);
+
+ g_free (filename);
+ }
+
+ return result;
+}
+
+static gboolean
+apply_configuration (Configuration *conf, RWScreen *screen)
+{
+ CrtcAssignment *assignment;
+ Output **outputs;
+
+ outputs = make_outputs (conf);
+
+ assignment = crtc_assignment_new (screen, outputs);
+
+ outputs_free (outputs);
+
+ if (assignment)
+ {
+ crtc_assignment_apply (assignment);
+
+ crtc_assignment_free (assignment);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+gboolean
+configuration_apply_stored (RWScreen *screen)
+{
+ Configuration **configs = configurations_read (NULL); /* NULL-GError */
+ Configuration *current;
+ Configuration *found;
+ gboolean result;
+
+ if (!screen)
+ return FALSE;
+
+ rw_screen_refresh (screen);
+
+ current = configuration_new_current (screen);
+ if (configs)
+ {
+ if ((found = configuration_find (configs, current)))
+ {
+ apply_configuration (found, screen);
+ result = TRUE;
+ }
+ else
+ {
+ result = FALSE;
+ }
+
+ configurations_free (configs);
+ }
+
+ configuration_free (current);
+
+ return result;
+}
+
+
+/*
+ * CRTC assignment
+ */
+typedef struct CrtcInfo CrtcInfo;
+
+struct CrtcInfo
+{
+ RWMode *mode;
+ int x;
+ int y;
+ RWRotation rotation;
+ GPtrArray *outputs;
+};
+
+struct CrtcAssignment
+{
+ RWScreen *screen;
+ GHashTable *info;
+};
+
+static gboolean
+can_clone (CrtcInfo *info,
+ RWOutput *output)
+{
+ int i;
+
+ for (i = 0; i < info->outputs->len; ++i)
+ {
+ RWOutput *clone = info->outputs->pdata[i];
+
+ if (!rw_output_can_clone (clone, output))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+crtc_assignment_assign (CrtcAssignment *assign,
+ RWCrtc *crtc,
+ RWMode *mode,
+ int x,
+ int y,
+ RWRotation rotation,
+ RWOutput *output)
+{
+ /* FIXME: We should reject stuff that is outside the screen ranges */
+
+ CrtcInfo *info = g_hash_table_lookup (assign->info, crtc);
+
+ if (!rw_crtc_can_drive_output (crtc, output) ||
+ !rw_output_supports_mode (output, mode) ||
+ !rw_crtc_supports_rotation (crtc, rotation))
+ {
+ return FALSE;
+ }
+
+ if (info)
+ {
+ if (info->mode == mode &&
+ info->x == x &&
+ info->y == y &&
+ info->rotation == rotation &&
+ can_clone (info, output))
+ {
+ g_ptr_array_add (info->outputs, output);
+
+ return TRUE;
+ }
+ }
+ else
+ {
+ CrtcInfo *info = g_new0 (CrtcInfo, 1);
+
+ info->mode = mode;
+ info->x = x;
+ info->y = y;
+ info->rotation = rotation;
+ info->outputs = g_ptr_array_new ();
+
+ g_ptr_array_add (info->outputs, output);
+
+ g_hash_table_insert (assign->info, crtc, info);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+crtc_assignment_unassign (CrtcAssignment *assign,
+ RWCrtc *crtc,
+ RWOutput *output)
+{
+ CrtcInfo *info = g_hash_table_lookup (assign->info, crtc);
+
+ if (info)
+ {
+ g_ptr_array_remove (info->outputs, output);
+
+ if (info->outputs->len == 0)
+ g_hash_table_remove (assign->info, crtc);
+ }
+}
+
+static void
+crtc_assignment_free (CrtcAssignment *assign)
+{
+ g_hash_table_destroy (assign->info);
+
+ g_free (assign);
+}
+
+static void
+configure_crtc (gpointer key,
+ gpointer value,
+ gpointer data)
+{
+ RWCrtc *crtc = key;
+ CrtcInfo *info = value;
+
+ rw_crtc_set_config (crtc,
+ info->x, info->y,
+ info->mode,
+ info->rotation,
+ (RWOutput **)info->outputs->pdata,
+ info->outputs->len);
+}
+
+static gboolean
+mode_is_rotated (CrtcInfo *info)
+{
+ if ((info->rotation & RW_ROTATION_270) ||
+ (info->rotation & RW_ROTATION_90))
+ {
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static gboolean
+crtc_is_rotated (RWCrtc *crtc)
+{
+ RWRotation r = rw_crtc_get_current_rotation (crtc);
+
+ if ((r & RW_ROTATION_270) ||
+ (r & RW_ROTATION_90))
+ {
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+crtc_assignment_apply (CrtcAssignment *assign)
+{
+ GList *active_crtcs = g_hash_table_get_keys (assign->info);
+ RWCrtc **all_crtcs = rw_screen_list_crtcs (assign->screen);
+ GList *list;
+ int width, height;
+ int i;
+ int min_width, max_width, min_height, max_height;
+ int width_mm, height_mm;
+
+ /* Compute size of the screen */
+ width = height = 1;
+ for (list = active_crtcs; list != NULL; list = list->next)
+ {
+ RWCrtc *crtc = list->data;
+ CrtcInfo *info = g_hash_table_lookup (assign->info, crtc);
+ int w, h;
+
+ w = rw_mode_get_width (info->mode);
+ h = rw_mode_get_height (info->mode);
+
+ if (mode_is_rotated (info))
+ {
+ int tmp = h;
+ h = w;
+ w = tmp;
+ }
+
+ width = MAX (width, info->x + w);
+ height = MAX (height, info->y + h);
+ }
+ g_list_free (active_crtcs);
+
+ rw_screen_get_ranges (
+ assign->screen, &min_width, &max_width, &min_height, &max_height);
+
+ width = MAX (min_width, width);
+ width = MIN (max_width, width);
+ height = MAX (min_height, height);
+ height = MIN (max_height, height);
+
+ /* Turn off all crtcs currently displaying outside the new screen */
+ for (i = 0; all_crtcs[i] != NULL; ++i)
+ {
+ RWCrtc *crtc = all_crtcs[i];
+ RWMode *mode = rw_crtc_get_current_mode (crtc);
+ int x, y;
+
+ if (mode)
+ {
+ int w, h;
+ rw_crtc_get_position (crtc, &x, &y);
+
+ w = rw_mode_get_width (mode);
+ h = rw_mode_get_height (mode);
+
+ if (crtc_is_rotated (crtc))
+ {
+ int tmp = h;
+ h = w;
+ w = tmp;
+ }
+
+ if (x + w > width || y + h > height)
+ rw_crtc_set_config (crtc, 0, 0, NULL, RW_ROTATION_0, NULL, 0);
+ }
+ }
+
+ /* Turn off all CRTC's that are not in the assignment */
+ for (i = 0; all_crtcs[i] != NULL; ++i)
+ {
+ RWCrtc *crtc = all_crtcs[i];
+
+ if (!g_hash_table_lookup (assign->info, crtc))
+ rw_crtc_set_config (crtc, 0, 0, NULL, RW_ROTATION_0, NULL, 0);
+ }
+
+ /* The 'physical size' of an X screen is meaningless if that screen
+ * can consist of many monitors. So just pick a size that make the
+ * dpi 96.
+ *
+ * Firefox and Evince apparently believe what X tells them.
+ */
+ width_mm = (width / 96.0) * 25.4 + 0.5;
+ height_mm = (height / 96.0) * 25.4 + 0.5;
+
+ rw_screen_set_size (assign->screen, width, height, width_mm, height_mm);
+
+ g_hash_table_foreach (assign->info, configure_crtc, NULL);
+}
+
+/* Check whether the given set of settings can be used
+ * at the same time -- ie. whether there is an assignment
+ * of CRTC's to outputs.
+ *
+ * Brute force - the number of objects involved is small
+ * enough that it doesn't matter.
+ */
+static gboolean
+real_assign_crtcs (RWScreen *screen,
+ Output **outputs,
+ CrtcAssignment *assignment)
+{
+ RWCrtc **crtcs = rw_screen_list_crtcs (screen);
+ Output *output;
+ int i;
+
+ output = *outputs;
+ if (!output)
+ return TRUE;
+
+ /* It is always allowed for an output to be turned off */
+ if (!output->on)
+ {
+ return real_assign_crtcs (screen, outputs + 1, assignment);
+ }
+
+ for (i = 0; crtcs[i] != NULL; ++i)
+ {
+ int pass;
+
+ /* Make two passses, one where frequencies must match, then
+ * one where they don't have to
+ */
+ for (pass = 0; pass < 2; ++pass)
+ {
+ RWCrtc *crtc = crtcs[i];
+ RWOutput *rw_output = rw_screen_get_output_by_name (screen, output->name);
+ RWMode **modes = rw_output_list_modes (rw_output);
+ int j;
+
+ for (j = 0; modes[j] != NULL; ++j)
+ {
+ RWMode *mode = modes[j];
+
+ if (rw_mode_get_width (mode) == output->width &&
+ rw_mode_get_height (mode) == output->height &&
+ (pass == 1 || rw_mode_get_freq (mode) == output->rate))
+ {
+ if (crtc_assignment_assign (
+ assignment, crtc, modes[j],
+ output->x, output->y,
+ output->rotation,
+ rw_output))
+ {
+ if (real_assign_crtcs (screen, outputs + 1, assignment))
+ return TRUE;
+
+ crtc_assignment_unassign (assignment, crtc, rw_output);
+ }
+ }
+ }
+ }
+ }
+
+ return FALSE;
+}
+
+static void
+crtc_info_free (CrtcInfo *info)
+{
+ g_ptr_array_free (info->outputs, TRUE);
+ g_free (info);
+}
+
+static CrtcAssignment *
+crtc_assignment_new (RWScreen *screen, Output **outputs)
+{
+ CrtcAssignment *assignment = g_new0 (CrtcAssignment, 1);
+
+ assignment->info = g_hash_table_new_full (
+ g_direct_hash, g_direct_equal, NULL, (GFreeFunc)crtc_info_free);
+
+ if (real_assign_crtcs (screen, outputs, assignment))
+ {
+ assignment->screen = screen;
+
+ return assignment;
+ }
+ else
+ {
+ crtc_assignment_free (assignment);
+
+ return NULL;
+ }
+}
Added: branches/randr-12/libgnome-desktop/randrwrap.c
==============================================================================
--- (empty file)
+++ branches/randr-12/libgnome-desktop/randrwrap.c Wed May 14 20:41:44 2008
@@ -0,0 +1,1195 @@
+#include "libgnomeui/randrwrap.h"
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/extensions/Xrandr.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+#include <X11/Xatom.h>
+
+#define DISPLAY(o) ((o)->info->screen->xdisplay)
+
+typedef struct ScreenInfo ScreenInfo;
+
+struct ScreenInfo
+{
+ int min_width;
+ int max_width;
+ int min_height;
+ int max_height;
+
+ XRRScreenResources *resources;
+
+ RWOutput ** outputs;
+ RWCrtc ** crtcs;
+ RWMode ** modes;
+
+ RWScreen * screen;
+};
+
+struct RWScreen
+{
+ GdkScreen * gdk_screen;
+ GdkWindow * gdk_root;
+ Display * xdisplay;
+ Screen * xscreen;
+ Window xroot;
+ ScreenInfo * info;
+
+ int randr_event_base;
+
+ RWScreenChanged callback;
+ gpointer data;
+};
+
+struct RWOutput
+{
+ ScreenInfo * info;
+ RROutput id;
+
+ char * name;
+ RWCrtc * current_crtc;
+ gboolean connected;
+ gulong width_mm;
+ gulong height_mm;
+ RWCrtc ** possible_crtcs;
+ RWOutput ** clones;
+ RWMode ** modes;
+ int n_preferred;
+ guint8 * edid_data;
+};
+
+struct RWOutputWrap
+{
+ RROutput id;
+};
+
+struct RWCrtc
+{
+ ScreenInfo * info;
+ RRCrtc id;
+
+ RWMode * current_mode;
+ RWOutput ** current_outputs;
+ RWOutput ** possible_outputs;
+ int x;
+ int y;
+
+ RWRotation current_rotation;
+ RWRotation rotations;
+};
+
+struct RWMode
+{
+ ScreenInfo * info;
+ RRMode id;
+ char * name;
+ int width;
+ int height;
+ int freq; /* in mHz */
+};
+
+/* RWCrtc */
+static RWCrtc * crtc_new (ScreenInfo *info,
+ RRCrtc id);
+static void crtc_free (RWCrtc *crtc);
+static void crtc_initialize (RWCrtc *crtc,
+ XRRScreenResources *res);
+
+
+/* RWOutput */
+static RWOutput *output_new (ScreenInfo *info,
+ RROutput id);
+static void output_initialize (RWOutput *output,
+ XRRScreenResources *res);
+static void output_free (RWOutput *output);
+
+
+/* RWMode */
+static RWMode * mode_new (ScreenInfo *info,
+ RRMode id);
+static void mode_initialize (RWMode *mode,
+ XRRModeInfo *info);
+static void mode_free (RWMode *mode);
+
+
+/* Screen */
+static RWOutput *
+rw_output_by_id (ScreenInfo *info, RROutput id)
+{
+ RWOutput **output;
+
+ g_assert (info != NULL);
+
+ for (output = info->outputs; *output; ++output)
+ {
+ if ((*output)->id == id)
+ return *output;
+ }
+
+ return NULL;
+}
+
+static RWCrtc *
+crtc_by_id (ScreenInfo *info, RRCrtc id)
+{
+ RWCrtc **crtc;
+
+ if (!info)
+ return NULL;
+
+ for (crtc = info->crtcs; *crtc; ++crtc)
+ {
+ if ((*crtc)->id == id)
+ return *crtc;
+ }
+
+ return NULL;
+}
+
+static RWMode *
+mode_by_id (ScreenInfo *info, RRMode id)
+{
+ RWMode **mode;
+
+ g_assert (info != NULL);
+
+ for (mode = info->modes; *mode; ++mode)
+ {
+ if ((*mode)->id == id)
+ return *mode;
+ }
+
+ return NULL;
+}
+
+static void
+screen_info_free (ScreenInfo *info)
+{
+ RWOutput **output;
+ RWCrtc **crtc;
+ RWMode **mode;
+
+ g_assert (info != NULL);
+
+ if (info->resources)
+ {
+ XRRFreeScreenResources (info->resources);
+
+ info->resources = NULL;
+ }
+
+ if (info->outputs)
+ {
+ for (output = info->outputs; *output; ++output)
+ output_free (*output);
+ g_free (info->outputs);
+ }
+
+ if (info->crtcs)
+ {
+ for (crtc = info->crtcs; *crtc; ++crtc)
+ crtc_free (*crtc);
+ g_free (info->crtcs);
+ }
+
+ if (info->modes)
+ {
+ for (mode = info->modes; *mode; ++mode)
+ mode_free (*mode);
+ g_free (info->modes);
+ }
+
+ g_free (info);
+}
+
+static gboolean
+fill_out_screen_info (Display *xdisplay, Window xroot,
+ ScreenInfo *info)
+{
+ XRRScreenResources *resources;
+
+ g_assert (xdisplay != NULL);
+ g_assert (info != NULL);
+
+ gdk_error_trap_push ();
+
+ if (!XRRGetScreenSizeRange (xdisplay, xroot,
+ &(info->min_width),
+ &(info->min_height),
+ &(info->max_width),
+ &(info->max_height))) {
+ /* XRR caught an error */
+ return False;
+ }
+
+ gdk_flush ();
+ if (gdk_error_trap_pop ())
+ {
+ /* Unhandled X Error was generated */
+ return False;
+ }
+
+#if 0
+ g_print ("ranges: %d - %d; %d - %d\n",
+ screen->min_width, screen->max_width,
+ screen->min_height, screen->max_height);
+#endif
+
+ resources = XRRGetScreenResources (xdisplay, xroot);
+
+ if (resources)
+ {
+ int i;
+ GPtrArray *a;
+ RWCrtc **crtc;
+ RWOutput **output;
+
+#if 0
+ g_print ("Resource Timestamp: %u\n", (guint32)resources->timestamp);
+ g_print ("Resource Configuration Timestamp: %u\n", (guint32)resources->configTimestamp);
+#endif
+
+ info->resources = resources;
+
+ /* We create all the structures before initializing them, so
+ * that they can refer to each other.
+ */
+ a = g_ptr_array_new ();
+ for (i = 0; i < resources->ncrtc; ++i)
+ {
+ RWCrtc *crtc = crtc_new (info, resources->crtcs[i]);
+
+ g_ptr_array_add (a, crtc);
+ }
+ g_ptr_array_add (a, NULL);
+ info->crtcs = (RWCrtc **)g_ptr_array_free (a, FALSE);
+
+ a = g_ptr_array_new ();
+ for (i = 0; i < resources->noutput; ++i)
+ {
+ RWOutput *output = output_new (info, resources->outputs[i]);
+
+ g_ptr_array_add (a, output);
+ }
+ g_ptr_array_add (a, NULL);
+ info->outputs = (RWOutput **)g_ptr_array_free (a, FALSE);
+
+ a = g_ptr_array_new ();
+ for (i = 0; i < resources->nmode; ++i)
+ {
+ RWMode *mode = mode_new (info, resources->modes[i].id);
+
+ g_ptr_array_add (a, mode);
+ }
+ g_ptr_array_add (a, NULL);
+ info->modes = (RWMode **)g_ptr_array_free (a, FALSE);
+
+ /* Initialize */
+ for (crtc = info->crtcs; *crtc; ++crtc)
+ crtc_initialize (*crtc, resources);
+
+ for (output = info->outputs; *output; ++output)
+ output_initialize (*output, resources);
+
+ for (i = 0; i < resources->nmode; ++i)
+ {
+ RWMode *mode = mode_by_id (info, resources->modes[i].id);
+
+ mode_initialize (mode, &(resources->modes[i]));
+ }
+
+ return TRUE;
+ }
+ else
+ {
+ g_print ("Couldn't get screen resources\n");
+
+ return FALSE;
+ }
+}
+
+static ScreenInfo *
+screen_info_new (RWScreen *screen)
+{
+ ScreenInfo *info = g_new0 (ScreenInfo, 1);
+ RWOutput **o;
+
+ g_assert (screen != NULL);
+
+ info->outputs = NULL;
+ info->crtcs = NULL;
+ info->modes = NULL;
+ info->screen = screen;
+
+ if (fill_out_screen_info (screen->xdisplay, screen->xroot, info))
+ {
+ return info;
+ }
+ else
+ {
+ g_free (info);
+ return NULL;
+ }
+
+ for (o = info->outputs; *o; o++)
+ {
+
+ }
+
+}
+
+static gboolean
+screen_update (RWScreen *screen, gboolean force_callback)
+{
+ ScreenInfo *info;
+ gboolean changed = FALSE;
+
+ g_assert (screen != NULL);
+
+ info = screen_info_new (screen);
+ if (info)
+ {
+ if (info->resources->configTimestamp != screen->info->resources->configTimestamp)
+ changed = TRUE;
+
+ screen_info_free (screen->info);
+
+ screen->info = info;
+ }
+
+ if ((changed || force_callback) && screen->callback)
+ screen->callback (screen, screen->data);
+
+ return changed;
+}
+
+static GdkFilterReturn
+screen_on_event (GdkXEvent *xevent,
+ GdkEvent *event,
+ gpointer data)
+{
+ RWScreen *screen = data;
+ XEvent *e = xevent;
+
+ if (e && e->type - screen->randr_event_base == RRNotify)
+ {
+ XRRNotifyEvent *event = (XRRNotifyEvent *)e;
+
+ switch (event->subtype)
+ {
+ default:
+ break;
+ }
+
+ /* FIXME: we may need to be more discriminating in
+ * what causes 'changed' events
+ */
+ screen_update (screen, TRUE);
+ }
+
+ /* Pass the event on to GTK+ */
+ return GDK_FILTER_CONTINUE;
+}
+
+/* Returns NULL if screen could not be created. For instance, if driver
+ * does not support Xrandr 1.2.
+ */
+RWScreen *
+rw_screen_new (GdkScreen *gdk_screen,
+ RWScreenChanged callback,
+ gpointer data)
+{
+ Display *dpy = GDK_SCREEN_XDISPLAY (gdk_screen);
+ int event_base;
+ int ignore;
+
+ if (XRRQueryExtension (dpy, &event_base, &ignore))
+ {
+ RWScreen *screen = g_new0 (RWScreen, 1);
+
+ screen->gdk_screen = gdk_screen;
+ screen->gdk_root = gdk_screen_get_root_window (gdk_screen);
+ screen->xroot = gdk_x11_drawable_get_xid (screen->gdk_root);
+ screen->xdisplay = dpy;
+ screen->xscreen = gdk_x11_screen_get_xscreen (screen->gdk_screen);
+
+ screen->callback = callback;
+ screen->data = data;
+
+ screen->randr_event_base = event_base;
+
+ screen->info = screen_info_new (screen);
+
+ if (!screen->info)
+ return NULL;
+
+ XRRSelectInput (screen->xdisplay,
+ screen->xroot,
+ RRScreenChangeNotifyMask |
+ RRCrtcChangeNotifyMask |
+ RROutputPropertyNotifyMask);
+
+ gdk_x11_register_standard_event_type (
+ gdk_screen_get_display (gdk_screen),
+ event_base,
+ RRNotify + 1);
+
+ gdk_window_add_filter (screen->gdk_root, screen_on_event, screen);
+ return screen;
+ }
+
+ return NULL;
+}
+
+void
+rw_screen_set_size (RWScreen *screen,
+ int width,
+ int height,
+ int mm_width,
+ int mm_height)
+{
+ g_return_if_fail (screen != NULL);
+
+ XRRSetScreenSize (screen->xdisplay, screen->xroot,
+ width, height, mm_width, mm_height);
+}
+
+void
+rw_screen_get_ranges (RWScreen *screen,
+ int *min_width,
+ int *max_width,
+ int *min_height,
+ int *max_height)
+{
+ g_return_if_fail (screen != NULL);
+
+ if (min_width)
+ *min_width = screen->info->min_width;
+
+ if (max_width)
+ *max_width = screen->info->max_width;
+
+ if (min_height)
+ *min_height = screen->info->min_height;
+
+ if (max_height)
+ *max_height = screen->info->max_height;
+}
+
+gboolean
+rw_screen_refresh (RWScreen *screen)
+{
+ return screen_update (screen, FALSE);
+}
+
+RWMode **
+rw_screen_list_modes (RWScreen *screen)
+{
+ g_return_val_if_fail (screen != NULL, NULL);
+ g_return_val_if_fail (screen->info != NULL, NULL);
+
+ return screen->info->modes;
+}
+
+RWCrtc **
+rw_screen_list_crtcs (RWScreen *screen)
+{
+ g_return_val_if_fail (screen != NULL, NULL);
+ g_return_val_if_fail (screen->info != NULL, NULL);
+
+ return screen->info->crtcs;
+}
+
+RWOutput **
+rw_screen_list_outputs (RWScreen *screen)
+{
+ g_return_val_if_fail (screen != NULL, NULL);
+ g_return_val_if_fail (screen->info != NULL, NULL);
+
+ return screen->info->outputs;
+}
+
+RWCrtc *
+rw_screen_get_crtc_by_id (RWScreen *screen,
+ guint32 id)
+{
+ int i;
+
+ g_return_val_if_fail (screen != NULL, NULL);
+ g_return_val_if_fail (screen->info != NULL, NULL);
+
+ for (i = 0; screen->info->crtcs[i] != NULL; ++i)
+ {
+ if (screen->info->crtcs[i]->id == id)
+ return screen->info->crtcs[i];
+ }
+
+ return NULL;
+}
+
+RWOutput *
+rw_screen_get_output_by_id (RWScreen *screen,
+ guint32 id)
+{
+ int i;
+
+ g_return_val_if_fail (screen != NULL, NULL);
+ g_return_val_if_fail (screen->info != NULL, NULL);
+
+ for (i = 0; screen->info->outputs[i] != NULL; ++i)
+ {
+ if (screen->info->outputs[i]->id == id)
+ return screen->info->outputs[i];
+ }
+
+ return NULL;
+}
+
+/* RWOutput */
+static RWOutput *
+output_new (ScreenInfo *info, RROutput id)
+{
+ RWOutput *output = g_new0 (RWOutput, 1);
+
+ output->id = id;
+ output->info = info;
+
+ return output;
+}
+
+static guint8 *
+get_property (Display *dpy,
+ RROutput output,
+ Atom atom,
+ int *len)
+{
+ unsigned char *prop;
+ int actual_format;
+ unsigned long nitems, bytes_after;
+ Atom actual_type;
+ guint8 *result;
+
+ XRRGetOutputProperty (dpy, output, atom,
+ 0, 100, False, False,
+ AnyPropertyType,
+ &actual_type, &actual_format,
+ &nitems, &bytes_after, &prop);
+
+ if (actual_type == XA_INTEGER && actual_format == 8)
+ {
+ result = g_memdup (prop, nitems);
+ if (len)
+ *len = nitems;
+ }
+ else
+ {
+ result = NULL;
+ }
+
+ XFree (prop);
+
+ return result;
+}
+
+static guint8 *
+read_edid_data (RWOutput *output)
+{
+ Atom edid_atom = XInternAtom (DISPLAY (output), "EDID_DATA", FALSE);
+ guint8 *result;
+ int len;
+
+ result = get_property (DISPLAY (output),
+ output->id, edid_atom, &len);
+
+ if (result)
+ {
+ if (len == 128)
+ return result;
+ else
+ g_free (result);
+ }
+
+ return NULL;
+}
+
+static void
+output_initialize (RWOutput *output, XRRScreenResources *res)
+{
+ XRROutputInfo *info = XRRGetOutputInfo (
+ DISPLAY (output), res, output->id);
+ GPtrArray *a;
+ int i;
+
+ g_print ("Output %lx Timestamp: %u\n", output->id, (guint32)info->timestamp);
+
+ if (!info || !output->info)
+ {
+ /* FIXME */
+ return;
+ }
+
+ output->name = g_strdup (info->name); /* FIXME: what is nameLen used for? */
+ output->current_crtc = crtc_by_id (output->info, info->crtc);
+ output->width_mm = info->mm_width;
+ output->height_mm = info->mm_height;
+ output->connected = (info->connection == RR_Connected);
+
+ /* Possible crtcs */
+ a = g_ptr_array_new ();
+
+ for (i = 0; i < info->ncrtc; ++i)
+ {
+ RWCrtc *crtc = crtc_by_id (output->info, info->crtcs[i]);
+
+ if (crtc)
+ g_ptr_array_add (a, crtc);
+ }
+ g_ptr_array_add (a, NULL);
+ output->possible_crtcs = (RWCrtc **)g_ptr_array_free (a, FALSE);
+
+ /* Clones */
+ a = g_ptr_array_new ();
+ for (i = 0; i < info->nclone; ++i)
+ {
+ RWOutput *rw_output = rw_output_by_id (output->info, info->clones[i]);
+
+ if (rw_output)
+ g_ptr_array_add (a, rw_output);
+ }
+ g_ptr_array_add (a, NULL);
+ output->clones = (RWOutput **)g_ptr_array_free (a, FALSE);
+
+ /* Modes */
+ a = g_ptr_array_new ();
+ for (i = 0; i < info->nmode; ++i)
+ {
+ RWMode *mode = mode_by_id (output->info, info->modes[i]);
+
+ if (mode)
+ g_ptr_array_add (a, mode);
+ }
+ g_ptr_array_add (a, NULL);
+ output->modes = (RWMode **)g_ptr_array_free (a, FALSE);
+
+ output->n_preferred = info->npreferred;
+
+ /* Edid data */
+ output->edid_data = read_edid_data (output);
+
+ XRRFreeOutputInfo (info);
+}
+
+static void
+output_free (RWOutput *output)
+{
+ g_free (output);
+}
+
+guint32
+rw_output_get_id (RWOutput *output)
+{
+ g_assert(output != NULL);
+
+ return output->id;
+}
+
+const guint8 *
+rw_output_get_edid_data (RWOutput *output)
+{
+ g_return_val_if_fail (output != NULL, NULL);
+
+ return output->edid_data;
+}
+
+RWOutput *
+rw_screen_get_output_by_name (RWScreen *screen,
+ const char *name)
+{
+ int i;
+
+ g_return_val_if_fail (screen != NULL, NULL);
+ g_return_val_if_fail (screen->info != NULL, NULL);
+
+ for (i = 0; screen->info->outputs[i] != NULL; ++i)
+ {
+ RWOutput *output = screen->info->outputs[i];
+
+ if (strcmp (output->name, name) == 0)
+ return output;
+ }
+
+ return NULL;
+}
+
+RWCrtc *
+rw_output_get_crtc (RWOutput *output)
+{
+ g_return_val_if_fail (output != NULL, NULL);
+
+ return output->current_crtc;
+}
+
+RWMode *
+rw_output_get_current_mode (RWOutput *output)
+{
+ RWCrtc *crtc;
+
+ g_return_val_if_fail (output != NULL, NULL);
+
+ if ((crtc = rw_output_get_crtc (output)))
+ return rw_crtc_get_current_mode (crtc);
+
+ return NULL;
+}
+
+void
+rw_output_get_position (RWOutput *output,
+ int *x,
+ int *y)
+{
+ RWCrtc *crtc;
+
+ g_return_if_fail (output != NULL);
+
+ if ((crtc = rw_output_get_crtc (output)))
+ rw_crtc_get_position (crtc, x, y);
+}
+
+const char *
+rw_output_get_name (RWOutput *output)
+{
+ g_assert (output != NULL);
+ return output->name;
+}
+
+int
+rw_output_get_width_mm (RWOutput *output)
+{
+ g_assert (output != NULL);
+ return output->width_mm;
+}
+
+int
+rw_output_get_height_mm (RWOutput *output)
+{
+ g_assert (output != NULL);
+ return output->height_mm;
+}
+
+RWMode *
+rw_output_get_preferred_mode (RWOutput *output)
+{
+ g_return_val_if_fail (output != NULL, NULL);
+ if (output->n_preferred)
+ return output->modes[0];
+
+ return NULL;
+}
+
+RWMode **
+rw_output_list_modes (RWOutput *output)
+{
+ g_return_val_if_fail (output != NULL, NULL);
+ return output->modes;
+}
+
+gboolean
+rw_output_is_connected (RWOutput *output)
+{
+ g_return_val_if_fail (output != NULL, FALSE);
+ return output->connected;
+}
+
+gboolean
+rw_output_supports_mode (RWOutput *output,
+ RWMode *mode)
+{
+ int i;
+
+ g_return_val_if_fail (output != NULL, FALSE);
+ g_return_val_if_fail (mode != NULL, FALSE);
+
+ for (i = 0; output->modes[i] != NULL; ++i)
+ {
+ if (output->modes[i] == mode)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+gboolean
+rw_output_can_clone (RWOutput *output,
+ RWOutput *clone)
+{
+ int i;
+
+ g_return_val_if_fail (output != NULL, FALSE);
+ g_return_val_if_fail (clone != NULL, FALSE);
+
+ for (i = 0; output->clones[i] != NULL; ++i)
+ {
+ if (output->clones[i] == clone)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/* RWCrtc */
+typedef struct
+{
+ Rotation xrot;
+ RWRotation rot;
+} RotationMap;
+static const RotationMap rotation_map[] =
+{
+ { RR_Rotate_0, RW_ROTATION_0 },
+ { RR_Rotate_90, RW_ROTATION_90 },
+ { RR_Rotate_180, RW_ROTATION_180 },
+ { RR_Rotate_270, RW_ROTATION_270 },
+ { RR_Reflect_X, RW_REFLECT_X },
+ { RR_Reflect_Y, RW_REFLECT_Y },
+};
+
+static RWRotation
+rw_rotation_from_xrotation (Rotation r)
+{
+ int i;
+ RWRotation result = 0;
+
+ for (i = 0; i < G_N_ELEMENTS (rotation_map); ++i)
+ {
+ if (r & rotation_map[i].xrot)
+ result |= rotation_map[i].rot;
+ }
+
+ return result;
+}
+
+static Rotation
+xrotation_from_rotation (RWRotation r)
+{
+ int i;
+ Rotation result = 0;
+
+ for (i = 0; i < G_N_ELEMENTS (rotation_map); ++i)
+ {
+ if (r & rotation_map[i].rot)
+ result |= rotation_map[i].xrot;
+ }
+
+ return result;
+}
+
+gboolean
+rw_crtc_set_config (RWCrtc *crtc,
+ int x,
+ int y,
+ RWMode *mode,
+ RWRotation rotation,
+ RWOutput **outputs,
+ int n_outputs)
+{
+ ScreenInfo *info;
+ GArray *output_ids;
+ int i;
+
+ g_return_val_if_fail (crtc != NULL, FALSE);
+ g_return_val_if_fail (mode != NULL || outputs == NULL || n_outputs == 0, FALSE);
+
+ info = crtc->info;
+
+ if (mode)
+ {
+ g_return_val_if_fail (x + mode->width <= info->max_width, FALSE);
+ g_return_val_if_fail (y + mode->height <= info->max_height, FALSE);
+ }
+
+ output_ids = g_array_new (FALSE, FALSE, sizeof (RROutput));
+
+ if (outputs)
+ {
+ for (i = 0; i < n_outputs; ++i)
+ g_array_append_val (output_ids, outputs[i]->id);
+ }
+
+ XRRSetCrtcConfig (DISPLAY (crtc), info->resources, crtc->id,
+ CurrentTime,
+ x, y,
+ mode? mode->id : None,
+ xrotation_from_rotation (rotation),
+ (RROutput *)output_ids->data,
+ output_ids->len);
+
+ g_array_free (output_ids, TRUE);
+
+ return TRUE;
+}
+
+RWMode *
+rw_crtc_get_current_mode (RWCrtc *crtc)
+{
+ g_return_val_if_fail (crtc != NULL, NULL);
+
+ return crtc->current_mode;
+}
+
+guint32
+rw_crtc_get_id (RWCrtc *crtc)
+{
+ g_return_val_if_fail (crtc != NULL, 0);
+
+ return crtc->id;
+}
+
+gboolean
+rw_crtc_can_drive_output (RWCrtc *crtc,
+ RWOutput *output)
+{
+ int i;
+
+ g_return_val_if_fail (crtc != NULL, FALSE);
+ g_return_val_if_fail (output != NULL, FALSE);
+
+ for (i = 0; crtc->possible_outputs[i] != NULL; ++i)
+ {
+ if (crtc->possible_outputs[i] == output)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/* FIXME: merge with get_mode()? */
+void
+rw_crtc_get_position (RWCrtc *crtc,
+ int *x,
+ int *y)
+{
+ g_return_if_fail (crtc != NULL);
+
+ if (x)
+ *x = crtc->x;
+
+ if (y)
+ *y = crtc->y;
+}
+
+/* FIXME: merge with get_mode()? */
+RWRotation
+rw_crtc_get_current_rotation (RWCrtc *crtc)
+{
+ g_assert(crtc != NULL);
+ return crtc->current_rotation;
+}
+
+RWRotation
+rw_crtc_get_rotations (RWCrtc *crtc)
+{
+ g_assert(crtc != NULL);
+ return crtc->rotations;
+}
+
+gboolean
+rw_crtc_supports_rotation (RWCrtc * crtc,
+ RWRotation rotation)
+{
+ g_return_val_if_fail (crtc != NULL, FALSE);
+ return (crtc->rotations & rotation);
+}
+
+static RWCrtc *
+crtc_new (ScreenInfo *info, RROutput id)
+{
+ RWCrtc *crtc = g_new0 (RWCrtc, 1);
+
+ crtc->id = id;
+ crtc->info = info;
+
+ return crtc;
+}
+
+static void
+crtc_initialize (RWCrtc *crtc, XRRScreenResources *res)
+{
+ XRRCrtcInfo *info = XRRGetCrtcInfo (DISPLAY (crtc), res, crtc->id);
+ GPtrArray *a;
+ int i;
+
+ g_print ("CRTC %lx Timestamp: %u\n", crtc->id, (guint32)info->timestamp);
+
+ if (!info)
+ {
+ /* FIXME: We need to reaquire the screen resources */
+ return;
+ }
+
+ /* RWMode */
+ crtc->current_mode = mode_by_id (crtc->info, info->mode);
+
+ crtc->x = info->x;
+ crtc->y = info->y;
+
+ /* Current outputs */
+ a = g_ptr_array_new ();
+ for (i = 0; i < info->noutput; ++i)
+ {
+ RWOutput *output = rw_output_by_id (crtc->info, info->outputs[i]);
+
+ if (output)
+ g_ptr_array_add (a, output);
+ }
+ g_ptr_array_add (a, NULL);
+ crtc->current_outputs = (RWOutput **)g_ptr_array_free (a, FALSE);
+
+ /* Possible outputs */
+ a = g_ptr_array_new ();
+ for (i = 0; i < info->npossible; ++i)
+ {
+ RWOutput *output = rw_output_by_id (crtc->info, info->possible[i]);
+
+ if (output)
+ g_ptr_array_add (a, output);
+ }
+ g_ptr_array_add (a, NULL);
+ crtc->possible_outputs = (RWOutput **)g_ptr_array_free (a, FALSE);
+
+ /* Rotations */
+ crtc->current_rotation = rw_rotation_from_xrotation (info->rotation);
+ crtc->rotations = rw_rotation_from_xrotation (info->rotations);
+
+ XRRFreeCrtcInfo (info);
+}
+
+static void
+crtc_free (RWCrtc *crtc)
+{
+ g_free (crtc->current_outputs);
+ g_free (crtc->possible_outputs);
+ g_free (crtc);
+}
+
+/* RWMode */
+static RWMode *
+mode_new (ScreenInfo *info, RRMode id)
+{
+ RWMode *mode = g_new0 (RWMode, 1);
+
+ mode->id = id;
+ mode->info = info;
+
+ return mode;
+}
+
+guint32
+rw_mode_get_id (RWMode *mode)
+{
+ g_return_val_if_fail (mode != NULL, 0);
+ return mode->id;
+}
+
+guint
+rw_mode_get_width (RWMode *mode)
+{
+ g_return_val_if_fail (mode != NULL, 0);
+ return mode->width;
+}
+
+int
+rw_mode_get_freq (RWMode *mode)
+{
+ g_return_val_if_fail (mode != NULL, 0);
+ return (mode->freq) / 1000;
+}
+
+guint
+rw_mode_get_height (RWMode *mode)
+{
+ g_return_val_if_fail (mode != NULL, 0);
+ return mode->height;
+}
+
+static void
+mode_initialize (RWMode *mode, XRRModeInfo *info)
+{
+ g_assert (mode != NULL);
+ g_assert (info != NULL);
+
+ mode->name = g_strdup (info->name);
+ mode->width = info->width;
+ mode->height = info->height;
+ mode->freq = ((info->dotClock / (double)info->hTotal) / info->vTotal + 0.5) * 1000;
+}
+
+static void
+mode_free (RWMode *mode)
+{
+ g_free (mode->name);
+ g_free (mode);
+}
+
+
+#ifdef INCLUDE_MAIN
+static void
+on_screen_changed (RWScreen *screen, gpointer data)
+{
+ g_print ("Changed\n");
+}
+
+static gboolean
+do_refresh (gpointer data)
+{
+ RWScreen *screen = data;
+
+ rw_screen_refresh (screen);
+
+ return TRUE;
+}
+
+int
+main (int argc, char **argv)
+{
+ int i;
+
+ gtk_init (&argc, &argv);
+
+ RWScreen *screen = rw_screen_new (gdk_screen_get_default(),
+ on_screen_changed,
+ NULL);
+
+ for (i = 0; screen->info->crtcs[i]; ++i)
+ {
+ RWCrtc *crtc = screen->info->crtcs[i];
+
+ if (crtc->current_mode)
+ {
+ g_print ("CRTC %p: (%d %d %d %d)\n",
+ crtc, crtc->x, crtc->y,
+ crtc->current_mode->width, crtc->current_mode->height);
+ }
+ else
+ {
+ g_print ("CRTC %p: turned off\n", crtc);
+ }
+ }
+
+ for (i = 0; screen->info->outputs[i]; ++i)
+ {
+ RWOutput *output = screen->info->outputs[i];
+
+ g_print ("Output %s currently", output->name);
+
+ if (!output->current_crtc)
+ g_print (" turned off\n");
+ else
+ g_print (" driven by CRTC %p\n", output->current_crtc);
+ }
+
+ g_timeout_add (500, do_refresh, screen);
+
+ gtk_main ();
+
+ return 0;
+}
+#endif
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