New file |
| | |
| | | /* |
| | | * Copyright © 2001 Keith Packard, member of The XFree86 Project, Inc. |
| | | * Copyright © 2002 Hewlett Packard Company, Inc. |
| | | * Copyright © 2006 Intel Corporation |
| | | * |
| | | * Permission to use, copy, modify, distribute, and sell this software and its |
| | | * documentation for any purpose is hereby granted without fee, provided that |
| | | * the above copyright notice appear in all copies and that both that copyright |
| | | * notice and this permission notice appear in supporting documentation, and |
| | | * that the name of the copyright holders not be used in advertising or |
| | | * publicity pertaining to distribution of the software without specific, |
| | | * written prior permission. The copyright holders make no representations |
| | | * about the suitability of this software for any purpose. It is provided "as |
| | | * is" without express or implied warranty. |
| | | * |
| | | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| | | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| | | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| | | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| | | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| | | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| | | * OF THIS SOFTWARE. |
| | | * |
| | | */ |
| | | |
| | | /* |
| | | * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved. |
| | | * |
| | | * 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 |
| | | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| | | * 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 NONINFRINGEMENT. IN NO EVENT SHALL |
| | | * THE AUTHORS OR COPYRIGHT HOLDERS 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. |
| | | */ |
| | | |
| | | |
| | | #include <stdio.h> |
| | | #include <X11/Xlib.h> |
| | | #include <X11/Xlibint.h> |
| | | #include <X11/Xproto.h> |
| | | #include <X11/extensions/Xrandr.h> |
| | | #include <X11/Xos.h> |
| | | #include <string.h> |
| | | #include <stdlib.h> |
| | | #include <stdarg.h> |
| | | #include <fcntl.h> |
| | | #include <signal.h> |
| | | #include <sys/proc.h> |
| | | #include <unistd.h> |
| | | |
| | | |
| | | static char *program_name; |
| | | static Display *dpy = NULL; |
| | | static Window root, win; |
| | | static int screen; |
| | | static Bool nosideview = False; |
| | | static Bool verbose = False; |
| | | static Bool testrun = False; |
| | | static int had_error = 0; |
| | | static XErrorHandler prev_handler; |
| | | static int cur_keycode; |
| | | static struct timeval time_val; |
| | | static Rotation init_rotation; |
| | | static int init_x; |
| | | static int init_y; |
| | | static Bool use_init_pos = False; |
| | | static Bool need_off_deferred = False; |
| | | |
| | | static void |
| | | usage(void) |
| | | { |
| | | fprintf(stderr, "usage: %s [options]\n", program_name); |
| | | fprintf(stderr, " where options are:\n"); |
| | | fprintf(stderr, " -toggle or -t\n"); |
| | | fprintf(stderr, " -listen or -l\n"); |
| | | fprintf(stderr, " -display <display> or -d <display>\n"); |
| | | fprintf(stderr, " -key <key> or -k <key>\n"); |
| | | fprintf(stderr, " -mod <modifier> or -m <modifier>\n"); |
| | | fprintf(stderr, " -help\n"); |
| | | fprintf(stderr, " -nosideview\n"); |
| | | fprintf(stderr, " -verbose or -v\n"); |
| | | fprintf(stderr, " -testrun\n"); |
| | | exit(1); |
| | | /*NOTREACHED*/ |
| | | } |
| | | |
| | | static void |
| | | fatal (const char *format, ...) |
| | | { |
| | | va_list ap; |
| | | |
| | | va_start (ap, format); |
| | | fprintf (stderr, "%s exiting: ", program_name); |
| | | vfprintf (stderr, format, ap); |
| | | va_end (ap); |
| | | exit (1); |
| | | /*NOTREACHED*/ |
| | | } |
| | | |
| | | static int |
| | | cur_handler ( |
| | | Display *const err_display, |
| | | XErrorEvent *const err_event) |
| | | { |
| | | had_error = err_event -> error_code; |
| | | return (0); |
| | | } |
| | | |
| | | typedef enum _relation { |
| | | left_of, right_of, above, below, same_as, |
| | | } relation_t; |
| | | |
| | | typedef enum _changes { |
| | | changes_none = 0, |
| | | changes_crtc = (1 << 0), |
| | | changes_mode = (1 << 1), |
| | | changes_relation = (1 << 2), |
| | | changes_position = (1 << 3), |
| | | } changes_t; |
| | | |
| | | typedef enum _name_kind { |
| | | name_none = 0, |
| | | name_string = (1 << 0), |
| | | name_xid = (1 << 1), |
| | | name_index = (1 << 2), |
| | | } name_kind_t; |
| | | |
| | | typedef struct { |
| | | name_kind_t kind; |
| | | char *string; |
| | | XID xid; |
| | | int index; |
| | | } name_t; |
| | | |
| | | typedef struct _crtc crtc_t; |
| | | typedef struct _output output_t; |
| | | |
| | | struct _crtc { |
| | | name_t crtc; |
| | | XRRCrtcInfo *crtc_info; |
| | | |
| | | XRRModeInfo *mode_info; |
| | | int x; |
| | | int y; |
| | | Rotation rotation; |
| | | output_t **outputs; |
| | | int noutput; |
| | | }; |
| | | |
| | | struct _output { |
| | | struct _output *next; |
| | | |
| | | changes_t changes; |
| | | |
| | | name_t output; |
| | | XRROutputInfo *output_info; |
| | | |
| | | name_t crtc; |
| | | crtc_t *crtc_info; |
| | | crtc_t *current_crtc_info; |
| | | |
| | | name_t mode; |
| | | float refresh; |
| | | XRRModeInfo *mode_info; |
| | | |
| | | name_t addmode; |
| | | |
| | | relation_t relation; |
| | | struct _output *relative_to; |
| | | |
| | | int x, y; |
| | | Rotation rotation; |
| | | }; |
| | | |
| | | static output_t *outputs = NULL; |
| | | static output_t **outputs_tail = &outputs; |
| | | static crtc_t *crtcs = NULL; |
| | | static int num_crtcs; |
| | | static XRRScreenResources *res = NULL; |
| | | static int fb_width = 0, fb_height = 0; |
| | | static int fb_width_mm = 0, fb_height_mm = 0; |
| | | static float dpi = 0.0; |
| | | static Bool dryrun = False; |
| | | static int minWidth, maxWidth, minHeight, maxHeight; |
| | | |
| | | #define MAX_OUTPUT 3 |
| | | #define MAX_MODIFIERS 10 |
| | | |
| | | typedef struct _con_output con_output_t; |
| | | |
| | | struct _con_output { |
| | | output_t *output; |
| | | XRRModeInfo **smodes; |
| | | int nsmodes; |
| | | Bool on; |
| | | }; |
| | | |
| | | typedef struct _mod_key_table mod_key_table_t; |
| | | |
| | | struct _mod_key_table { |
| | | char *modname; |
| | | unsigned int mod; |
| | | }; |
| | | |
| | | static con_output_t con_outputs[MAX_OUTPUT]; |
| | | static con_output_t dis_con_outputs[MAX_OUTPUT]; |
| | | static XRRModeInfo *start_mode[MAX_OUTPUT]; |
| | | static XRRModeInfo *new_mode[MAX_OUTPUT]; |
| | | static int start = 0; |
| | | static int ncon; |
| | | static int dis_ncon; |
| | | static Bool do_not_switch = False; |
| | | static Bool did_init = False; |
| | | |
| | | static mod_key_table_t mod_key_table [MAX_MODIFIERS] = { |
| | | {"none", 0}, |
| | | {"shift", ShiftMask}, |
| | | {"lock", LockMask}, |
| | | {"control", ControlMask}, |
| | | {"mod1", Mod1Mask}, |
| | | {"mod2", Mod2Mask}, |
| | | {"mod3", Mod3Mask}, |
| | | {"mod4", Mod4Mask}, |
| | | {"mod5", Mod5Mask}, |
| | | {"any", AnyModifier} |
| | | }; |
| | | |
| | | static int |
| | | mode_height (XRRModeInfo *mode_info, Rotation rotation) |
| | | { |
| | | switch (rotation & 0xf) { |
| | | case RR_Rotate_0: |
| | | case RR_Rotate_180: |
| | | return mode_info->height; |
| | | case RR_Rotate_90: |
| | | case RR_Rotate_270: |
| | | return mode_info->width; |
| | | default: |
| | | return 0; |
| | | } |
| | | } |
| | | |
| | | static int |
| | | mode_width (XRRModeInfo *mode_info, Rotation rotation) |
| | | { |
| | | switch (rotation & 0xf) { |
| | | case RR_Rotate_0: |
| | | case RR_Rotate_180: |
| | | return mode_info->width; |
| | | case RR_Rotate_90: |
| | | case RR_Rotate_270: |
| | | return mode_info->height; |
| | | default: |
| | | return 0; |
| | | } |
| | | } |
| | | |
| | | /* v refresh frequency in Hz */ |
| | | static float |
| | | mode_refresh (XRRModeInfo *mode_info) |
| | | { |
| | | float rate; |
| | | |
| | | if (mode_info->hTotal && mode_info->vTotal) |
| | | rate = ((float) mode_info->dotClock / |
| | | ((float) mode_info->hTotal * (float) mode_info->vTotal)); |
| | | else |
| | | rate = 0; |
| | | return rate; |
| | | } |
| | | |
| | | |
| | | static void |
| | | init_name (name_t *name) |
| | | { |
| | | name->kind = name_none; |
| | | } |
| | | |
| | | static void |
| | | set_name_string (name_t *name, char *string) |
| | | { |
| | | name->kind |= name_string; |
| | | name->string = string; |
| | | } |
| | | |
| | | static void |
| | | set_name_xid (name_t *name, XID xid) |
| | | { |
| | | name->kind |= name_xid; |
| | | name->xid = xid; |
| | | } |
| | | |
| | | static void |
| | | set_name_index (name_t *name, int index) |
| | | { |
| | | name->kind |= name_index; |
| | | name->index = index; |
| | | } |
| | | |
| | | static void |
| | | set_name_all (name_t *name, name_t *old) |
| | | { |
| | | if (old->kind & name_xid) |
| | | name->xid = old->xid; |
| | | if (old->kind & name_string) |
| | | name->string = old->string; |
| | | if (old->kind & name_index) |
| | | name->index = old->index; |
| | | name->kind |= old->kind; |
| | | } |
| | | |
| | | static output_t * |
| | | add_output (void) |
| | | { |
| | | output_t *output = calloc (1, sizeof (output_t)); |
| | | |
| | | if (!output) |
| | | fatal ("out of memory"); |
| | | output->next = NULL; |
| | | *outputs_tail = output; |
| | | outputs_tail = &output->next; |
| | | return output; |
| | | } |
| | | |
| | | static output_t * |
| | | find_output (name_t *name) |
| | | { |
| | | output_t *output; |
| | | |
| | | for (output = outputs; output; output = output->next) |
| | | { |
| | | name_kind_t common = name->kind & output->output.kind; |
| | | |
| | | if ((common & name_xid) && name->xid == output->output.xid) |
| | | break; |
| | | if ((common & name_string) && !strcmp (name->string, output->output.string)) |
| | | break; |
| | | if ((common & name_index) && name->index == output->output.index) |
| | | break; |
| | | } |
| | | return output; |
| | | } |
| | | |
| | | static output_t * |
| | | find_output_by_xid (RROutput output) |
| | | { |
| | | name_t output_name; |
| | | |
| | | init_name (&output_name); |
| | | set_name_xid (&output_name, output); |
| | | return find_output (&output_name); |
| | | } |
| | | |
| | | static crtc_t * |
| | | find_crtc (name_t *name) |
| | | { |
| | | int c; |
| | | crtc_t *crtc = NULL; |
| | | |
| | | for (c = 0; c < num_crtcs; c++) |
| | | { |
| | | name_kind_t common; |
| | | |
| | | crtc = &crtcs[c]; |
| | | common = name->kind & crtc->crtc.kind; |
| | | |
| | | if ((common & name_xid) && name->xid == crtc->crtc.xid) |
| | | break; |
| | | if ((common & name_string) && !strcmp (name->string, crtc->crtc.string)) |
| | | break; |
| | | if ((common & name_index) && name->index == crtc->crtc.index) |
| | | break; |
| | | crtc = NULL; |
| | | } |
| | | return crtc; |
| | | } |
| | | |
| | | static crtc_t * |
| | | find_crtc_by_xid (RRCrtc crtc) |
| | | { |
| | | name_t crtc_name; |
| | | |
| | | init_name (&crtc_name); |
| | | set_name_xid (&crtc_name, crtc); |
| | | return find_crtc (&crtc_name); |
| | | } |
| | | |
| | | static XRRModeInfo * |
| | | find_mode (name_t *name) |
| | | { |
| | | int m; |
| | | XRRModeInfo *best = NULL; |
| | | |
| | | for (m = 0; m < res->nmode; m++) |
| | | { |
| | | XRRModeInfo *mode = &res->modes[m]; |
| | | if ((name->kind & name_xid) && name->xid == mode->id) |
| | | { |
| | | best = mode; |
| | | break; |
| | | } |
| | | } |
| | | return best; |
| | | } |
| | | |
| | | static XRRModeInfo * |
| | | find_mode_by_xid (RRMode mode) |
| | | { |
| | | name_t mode_name; |
| | | |
| | | init_name (&mode_name); |
| | | set_name_xid (&mode_name, mode); |
| | | return find_mode (&mode_name); |
| | | } |
| | | |
| | | static void |
| | | set_output_info (output_t *output, RROutput xid, XRROutputInfo *output_info) |
| | | { |
| | | crtc_t *crtc; |
| | | |
| | | /* sanity check output info */ |
| | | if (output_info->connection != RR_Disconnected && !output_info->nmode) |
| | | fatal ("Output %s is not disconnected but has no modes\n", |
| | | output_info->name); |
| | | |
| | | /* set output name and info */ |
| | | if (!(output->output.kind & name_xid)) |
| | | set_name_xid (&output->output, xid); |
| | | if (!(output->output.kind & name_string)) |
| | | set_name_string (&output->output, output_info->name); |
| | | output->output_info = output_info; |
| | | |
| | | crtc = find_crtc_by_xid (output->output_info->crtc); |
| | | /* set position */ |
| | | if (crtc && crtc->crtc_info) { |
| | | output->x = crtc->crtc_info->x; |
| | | output->y = crtc->crtc_info->y; |
| | | } |
| | | |
| | | /* set rotation */ |
| | | output->rotation &= ~0xf; |
| | | if (crtc && crtc->crtc_info) |
| | | output->rotation |= (crtc->crtc_info->rotation & 0xf); |
| | | else |
| | | output->rotation = RR_Rotate_0; |
| | | |
| | | } |
| | | |
| | | static void |
| | | get_crtcs (void) |
| | | { |
| | | int c; |
| | | |
| | | num_crtcs = res->ncrtc; |
| | | if (crtcs) |
| | | { |
| | | for (c = 0; c < res->ncrtc; c++) |
| | | { |
| | | if (crtcs[c].crtc_info) |
| | | XRRFreeCrtcInfo (crtcs[c].crtc_info); |
| | | } |
| | | free (crtcs); |
| | | crtcs = NULL; |
| | | } |
| | | |
| | | crtcs = calloc (num_crtcs, sizeof (crtc_t)); |
| | | if (!crtcs) fatal ("out of memory"); |
| | | |
| | | for (c = 0; c < res->ncrtc; c++) |
| | | { |
| | | XRRCrtcInfo *crtc_info = XRRGetCrtcInfo (dpy, res, res->crtcs[c]); |
| | | set_name_xid (&crtcs[c].crtc, res->crtcs[c]); |
| | | set_name_index (&crtcs[c].crtc, c); |
| | | if (!crtc_info) fatal ("could not get crtc 0x%x information", res->crtcs[c]); |
| | | crtcs[c].crtc_info = crtc_info; |
| | | if (crtc_info->mode == None) |
| | | { |
| | | crtcs[c].mode_info = NULL; |
| | | crtcs[c].x = 0; |
| | | crtcs[c].y = 0; |
| | | crtcs[c].rotation = RR_Rotate_0; |
| | | } |
| | | } |
| | | } |
| | | |
| | | static void |
| | | crtc_add_output (crtc_t *crtc, output_t *output) |
| | | { |
| | | if (crtc->outputs) |
| | | crtc->outputs = realloc (crtc->outputs, (crtc->noutput + 1) * sizeof (output_t *)); |
| | | else |
| | | { |
| | | crtc->outputs = calloc (1, sizeof (output_t *)); |
| | | crtc->x = output->x; |
| | | crtc->y = output->y; |
| | | crtc->rotation = output->rotation; |
| | | crtc->mode_info = output->mode_info; |
| | | } |
| | | if (!crtc->outputs) fatal ("out of memory"); |
| | | crtc->outputs[crtc->noutput++] = output; |
| | | } |
| | | |
| | | static void |
| | | set_crtcs (void) |
| | | { |
| | | output_t *output; |
| | | int i; |
| | | |
| | | for (i = 0; i < ncon; i++) { |
| | | output = con_outputs[i].output; |
| | | if (!output->mode_info) continue; |
| | | if (output->crtc_info) |
| | | crtc_add_output (output->crtc_info, output); |
| | | } |
| | | } |
| | | |
| | | static void |
| | | reset_crtcs_for_outputs (void) |
| | | { |
| | | output_t *output; |
| | | |
| | | for (output = outputs; output; output = output->next) |
| | | { |
| | | if ((output->crtc_info) && (output->crtc_info->outputs)) { |
| | | free (output->crtc_info->outputs); |
| | | output->crtc_info = NULL; |
| | | } |
| | | } |
| | | } |
| | | |
| | | static Status |
| | | crtc_disable (crtc_t *crtc) |
| | | { |
| | | if (verbose) |
| | | fprintf (stderr, "crtc %d (0x%lx) : disable\n", crtc->crtc.index, crtc->crtc.xid); |
| | | |
| | | if (dryrun) |
| | | return RRSetConfigSuccess; |
| | | |
| | | return XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime, |
| | | 0, 0, None, RR_Rotate_0, NULL, 0); |
| | | } |
| | | |
| | | static Status |
| | | crtc_revert (crtc_t *crtc) |
| | | { |
| | | XRRCrtcInfo *crtc_info = crtc->crtc_info; |
| | | |
| | | if (verbose) |
| | | fprintf (stderr, "crtc %d: revert\n", crtc->crtc.index); |
| | | |
| | | if (dryrun) |
| | | return RRSetConfigSuccess; |
| | | return XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime, |
| | | crtc_info->x, crtc_info->y, |
| | | crtc_info->mode, crtc_info->rotation, |
| | | crtc_info->outputs, crtc_info->noutput); |
| | | } |
| | | |
| | | static Status |
| | | crtc_apply (crtc_t *crtc) |
| | | { |
| | | RROutput *rr_outputs; |
| | | int o; |
| | | Status s; |
| | | RRMode mode = None; |
| | | |
| | | if (!crtc->mode_info) |
| | | return RRSetConfigSuccess; |
| | | |
| | | rr_outputs = calloc (crtc->noutput, sizeof (RROutput)); |
| | | if (!rr_outputs) |
| | | return BadAlloc; |
| | | for (o = 0; o < crtc->noutput; o++) |
| | | rr_outputs[o] = crtc->outputs[o]->output.xid; |
| | | mode = crtc->mode_info->id; |
| | | if (verbose) { |
| | | fprintf (stderr, "crtc %d (0x%lx) : %12s %6.1f +%d+%d", crtc->crtc.index, |
| | | crtc->crtc.xid, |
| | | crtc->mode_info->name, mode_refresh (crtc->mode_info), |
| | | crtc->x, crtc->y); |
| | | for (o = 0; o < crtc->noutput; o++) |
| | | fprintf (stderr, " \"%s\"", crtc->outputs[o]->output.string); |
| | | fprintf (stderr, "\n"); |
| | | } |
| | | if (dryrun) |
| | | s = RRSetConfigSuccess; |
| | | else |
| | | s = XRRSetCrtcConfig (dpy, res, crtc->crtc.xid, CurrentTime, |
| | | crtc->x, crtc->y, mode, crtc->rotation, |
| | | rr_outputs, crtc->noutput); |
| | | free (rr_outputs); |
| | | return s; |
| | | } |
| | | |
| | | static void |
| | | screen_revert (void) |
| | | { |
| | | if (verbose) |
| | | fprintf (stderr, "screen %d: revert\n", screen); |
| | | |
| | | if (dryrun) |
| | | return; |
| | | XRRSetScreenSize (dpy, root, |
| | | DisplayWidth (dpy, screen), |
| | | DisplayHeight (dpy, screen), |
| | | DisplayWidthMM (dpy, screen), |
| | | DisplayHeightMM (dpy, screen)); |
| | | } |
| | | |
| | | static void |
| | | screen_apply (void) |
| | | { |
| | | /* comment it out because DisplayWidth() does not reflect the |
| | | change of fb_width and fb_height previously set by |
| | | XRRSetScreenSize() |
| | | */ |
| | | /* |
| | | if (fb_width == DisplayWidth (dpy, screen) && |
| | | fb_height == DisplayHeight (dpy, screen) && |
| | | fb_width_mm == DisplayWidthMM (dpy, screen) && |
| | | fb_height_mm == DisplayHeightMM (dpy, screen)) |
| | | { |
| | | return; |
| | | } |
| | | */ |
| | | |
| | | if (verbose) |
| | | fprintf (stderr, "screen %d: %dx%d %dx%d mm %6.2fdpi\n", screen, |
| | | fb_width, fb_height, fb_width_mm, fb_height_mm, dpi); |
| | | if (dryrun) |
| | | return; |
| | | XRRSetScreenSize (dpy, root, fb_width, fb_height, |
| | | fb_width_mm, fb_height_mm); |
| | | |
| | | } |
| | | |
| | | static void |
| | | revert (void) |
| | | { |
| | | int c; |
| | | |
| | | /* first disable all crtcs */ |
| | | for (c = 0; c < res->ncrtc; c++) |
| | | crtc_disable (&crtcs[c]); |
| | | /* next reset screen size */ |
| | | screen_revert (); |
| | | /* now restore all crtcs */ |
| | | for (c = 0; c < res->ncrtc; c++) |
| | | crtc_revert (&crtcs[c]); |
| | | } |
| | | |
| | | /* |
| | | * uh-oh, something bad happened in the middle of changing |
| | | * the configuration. Revert to the previous configuration |
| | | * and bail |
| | | */ |
| | | static void |
| | | panic (Status s, crtc_t *crtc) |
| | | { |
| | | int c = crtc->crtc.index; |
| | | char *message; |
| | | |
| | | switch (s) { |
| | | case RRSetConfigSuccess: message = "succeeded"; break; |
| | | case BadAlloc: message = "out of memory"; break; |
| | | case RRSetConfigFailed: message = "failed"; break; |
| | | case RRSetConfigInvalidConfigTime: message = "invalid config time"; break; |
| | | case RRSetConfigInvalidTime: message = "invalid time"; break; |
| | | default: message = "unknown failure"; break; |
| | | } |
| | | |
| | | fprintf (stderr, "%s: Configure crtc %d %s\n", program_name, c, message); |
| | | revert (); |
| | | exit (1); |
| | | } |
| | | |
| | | static void |
| | | apply (void) |
| | | { |
| | | Status s; |
| | | int c; |
| | | |
| | | /* |
| | | * Turn off any crtcs which are to be disabled or which are |
| | | * larger than the target size |
| | | */ |
| | | for (c = 0; c < res->ncrtc; c++) |
| | | { |
| | | crtc_t *crtc = &crtcs[c]; |
| | | XRRCrtcInfo *crtc_info = crtc->crtc_info; |
| | | |
| | | /* |
| | | * if this crtc is already disabled, skip it |
| | | * Note server sets crtc_info->mode (before change) |
| | | */ |
| | | if (crtc_info->mode == None) |
| | | continue; |
| | | |
| | | /* |
| | | * If this crtc is to be left enabled, make |
| | | * sure the old size fits then new screen |
| | | * When crtc->mode_info is null, the crtc is to be |
| | | * disabled. Note set_crtcs () sets crtc->mode_info for |
| | | * new mode (to be changed to). |
| | | */ |
| | | if (crtc->mode_info) |
| | | { |
| | | XRRModeInfo *old_mode = find_mode_by_xid (crtc_info->mode); |
| | | int x, y, w, h; |
| | | |
| | | if (!old_mode) |
| | | panic (RRSetConfigFailed, crtc); |
| | | |
| | | /* old position and size information */ |
| | | x = crtc_info->x; |
| | | y = crtc_info->y; |
| | | w = mode_width (old_mode, crtc_info->rotation); |
| | | h = mode_height (old_mode, crtc_info->rotation); |
| | | |
| | | /* if it fits, skip it */ |
| | | if (x + w <= fb_width && y + h <= fb_height) |
| | | continue; |
| | | } |
| | | |
| | | if (need_off_deferred) |
| | | /* Defer taking off */ |
| | | continue; |
| | | |
| | | s = crtc_disable (crtc); |
| | | if (s != RRSetConfigSuccess) |
| | | panic (s, crtc); |
| | | } |
| | | |
| | | /* |
| | | * Hold the server grabbed while messing with |
| | | * the screen so that apps which notice the resize |
| | | * event and ask for xinerama information from the server |
| | | * receive up-to-date information |
| | | */ |
| | | XGrabServer (dpy); |
| | | |
| | | /* |
| | | * Set the screen size |
| | | */ |
| | | screen_apply (); |
| | | |
| | | /* |
| | | * Set crtcs |
| | | */ |
| | | |
| | | for (c = 0; c < res->ncrtc; c++) |
| | | { |
| | | crtc_t *crtc = &crtcs[c]; |
| | | |
| | | s = crtc_apply (crtc); |
| | | if (s != RRSetConfigSuccess) |
| | | panic (s, crtc); |
| | | } |
| | | /* |
| | | * Release the server grab and let all clients |
| | | * respond to the updated state |
| | | */ |
| | | XUngrabServer (dpy); |
| | | } |
| | | |
| | | /* |
| | | * Use current output state to complete the output list |
| | | */ |
| | | static void |
| | | get_outputs (void) |
| | | { |
| | | int o; |
| | | |
| | | for (o = 0; o < res->noutput; o++) |
| | | { |
| | | XRROutputInfo *output_info = XRRGetOutputInfo (dpy, res, res->outputs[o]); |
| | | output_t *output; |
| | | name_t output_name; |
| | | |
| | | if (!output_info) fatal ("could not get output 0x%x information", res->outputs[o]); |
| | | set_name_xid (&output_name, res->outputs[o]); |
| | | set_name_index (&output_name, o); |
| | | set_name_string (&output_name, output_info->name); |
| | | output = find_output (&output_name); |
| | | if (!output) |
| | | { |
| | | output = add_output (); |
| | | set_name_all (&output->output, &output_name); |
| | | } |
| | | |
| | | set_output_info (output, res->outputs[o], output_info); |
| | | } |
| | | } |
| | | |
| | | |
| | | /* |
| | | * Test whether 'crtc' can be used for 'output' |
| | | */ |
| | | static Bool |
| | | check_crtc_for_output (crtc_t *crtc, output_t *output) |
| | | { |
| | | int i; |
| | | int l; |
| | | output_t *other; |
| | | |
| | | for (i = 0; i < ncon; i++) |
| | | { |
| | | other = con_outputs[i].output; |
| | | |
| | | if (other == output) |
| | | continue; |
| | | |
| | | if (other->mode_info == NULL) |
| | | continue; |
| | | |
| | | if (other->crtc_info != crtc) |
| | | continue; |
| | | |
| | | /* see if the output connected to the crtc can clone to this output */ |
| | | for (l = 0; l < output->output_info->nclone; l++) |
| | | if (output->output_info->clones[l] == other->output.xid) |
| | | break; |
| | | /* not on the list, can't clone */ |
| | | if (l == output->output_info->nclone) |
| | | return False; |
| | | } |
| | | |
| | | if (crtc->noutput) |
| | | { |
| | | for (i = 0; i < crtc->noutput; i++) |
| | | /* Check if the output is to be turned on */ |
| | | if (crtc->outputs[i]->mode_info) { |
| | | /* make sure the state matches */ |
| | | if (crtc->mode_info != output->mode_info) |
| | | return False; |
| | | if (crtc->x != output->x) |
| | | return False; |
| | | if (crtc->y != output->y) |
| | | return False; |
| | | if (crtc->rotation != output->rotation) |
| | | return False; |
| | | } |
| | | } |
| | | return True; |
| | | } |
| | | |
| | | static crtc_t * |
| | | find_crtc_for_output (output_t *output) |
| | | { |
| | | int c; |
| | | |
| | | for (c = 0; c < output->output_info->ncrtc; c++) |
| | | { |
| | | crtc_t *crtc; |
| | | |
| | | crtc = find_crtc_by_xid (output->output_info->crtcs[c]); |
| | | if (!crtc) fatal ("cannot find crtc 0x%x\n", output->output_info->crtcs[c]); |
| | | |
| | | if (check_crtc_for_output (crtc, output)) |
| | | return crtc; |
| | | } |
| | | return NULL; |
| | | } |
| | | |
| | | static void |
| | | set_positions (void) |
| | | { |
| | | Bool keep_going; |
| | | Bool any_set; |
| | | int min_x, min_y; |
| | | int i; |
| | | |
| | | for (;;) |
| | | { |
| | | any_set = False; |
| | | keep_going = False; |
| | | for (i = 0; i < ncon; i++) |
| | | { |
| | | output_t *output = con_outputs[i].output; |
| | | output_t *relation; |
| | | |
| | | if (!(output->changes & changes_relation)) continue; |
| | | |
| | | if (output->mode_info == NULL) continue; |
| | | |
| | | relation = output->relative_to; |
| | | |
| | | if (relation->mode_info == NULL) |
| | | { |
| | | output->x = 0; |
| | | output->y = 0; |
| | | output->changes |= changes_position; |
| | | any_set = True; |
| | | continue; |
| | | } |
| | | /* |
| | | * Make sure the dependent object has been set in place |
| | | */ |
| | | if ((relation->changes & changes_relation) && |
| | | !(relation->changes & changes_position)) |
| | | { |
| | | keep_going = True; |
| | | continue; |
| | | } |
| | | |
| | | switch (output->relation) { |
| | | case left_of: |
| | | output->y = relation->y; |
| | | output->x = relation->x - mode_width (output->mode_info, output->rotation); |
| | | break; |
| | | case right_of: |
| | | output->y = relation->y; |
| | | output->x = relation->x + mode_width (relation->mode_info, relation->rotation); |
| | | break; |
| | | case above: |
| | | output->x = relation->x; |
| | | output->y = relation->y - mode_height (output->mode_info, output->rotation); |
| | | break; |
| | | case below: |
| | | output->x = relation->x; |
| | | output->y = relation->y + mode_height (relation->mode_info, relation->rotation); |
| | | break; |
| | | case same_as: |
| | | output->x = relation->x; |
| | | output->y = relation->y; |
| | | } |
| | | output->changes |= changes_position; |
| | | relation->changes |= changes_position; |
| | | any_set = True; |
| | | } |
| | | if (!keep_going) |
| | | break; |
| | | if (!any_set) |
| | | fatal ("loop in relative position specifications\n"); |
| | | } |
| | | |
| | | /* |
| | | * Now normalize positions so the upper left corner of all outputs is at 0,0 |
| | | */ |
| | | min_x = 32768; |
| | | min_y = 32768; |
| | | for (i = 0; i < ncon; i++) |
| | | { |
| | | output_t *output = con_outputs[i].output; |
| | | |
| | | if (output->mode_info == NULL) continue; |
| | | |
| | | if (output->x < min_x) min_x = output->x; |
| | | if (output->y < min_y) min_y = output->y; |
| | | } |
| | | if (min_x || min_y) |
| | | { |
| | | /* move all outputs */ |
| | | for (i = 0; i < ncon; i++) |
| | | { |
| | | output_t *output = con_outputs[i].output; |
| | | |
| | | if (output->mode_info == NULL) continue; |
| | | |
| | | output->x -= min_x; |
| | | output->y -= min_y; |
| | | output->changes |= changes_position; |
| | | } |
| | | } |
| | | } |
| | | |
| | | static Bool |
| | | set_screen_size (void) |
| | | { |
| | | int i; |
| | | |
| | | fb_width = fb_height = 0; |
| | | |
| | | for (i = 0; i < ncon; i++) |
| | | { |
| | | output_t *output = con_outputs[i].output; |
| | | XRRModeInfo *mode_info = output->mode_info; |
| | | int x, y, w, h; |
| | | |
| | | if (!mode_info) continue; |
| | | |
| | | x = output->x; |
| | | y = output->y; |
| | | w = mode_width (mode_info, output->rotation); |
| | | h = mode_height (mode_info, output->rotation); |
| | | if (x + w > fb_width) fb_width = x + w; |
| | | if (y + h > fb_height) fb_height = y + h; |
| | | } |
| | | |
| | | if (fb_width > maxWidth || fb_height > maxHeight) { |
| | | if (verbose) |
| | | fprintf (stderr, "screen cannot be larger than %dx%d (desired size %dx%d)\n", |
| | | maxWidth, maxHeight, fb_width, fb_height); |
| | | return False; |
| | | } |
| | | |
| | | if (fb_width < minWidth) fb_width = minWidth; |
| | | if (fb_height < minHeight) fb_height = minHeight; |
| | | |
| | | return True; |
| | | } |
| | | |
| | | static void |
| | | disable_outputs (output_t *outputs) |
| | | { |
| | | while (outputs) |
| | | { |
| | | outputs->crtc_info = NULL; |
| | | outputs = outputs->next; |
| | | } |
| | | } |
| | | |
| | | /* |
| | | * find the best mapping from output to crtc available |
| | | */ |
| | | static int |
| | | pick_crtcs_score (output_t *outputs) |
| | | { |
| | | output_t *output; |
| | | int best_score; |
| | | int my_score; |
| | | int score; |
| | | crtc_t *best_crtc; |
| | | int c; |
| | | |
| | | if (!outputs) |
| | | return 0; |
| | | |
| | | output = outputs; |
| | | outputs = outputs->next; |
| | | /* |
| | | * Score with this output disabled |
| | | */ |
| | | output->crtc_info = NULL; |
| | | best_score = pick_crtcs_score (outputs); |
| | | if (output->mode_info == NULL) |
| | | return best_score; |
| | | |
| | | best_crtc = NULL; |
| | | /* |
| | | * Now score with this output any valid crtc |
| | | */ |
| | | for (c = 0; c < output->output_info->ncrtc; c++) |
| | | { |
| | | crtc_t *crtc; |
| | | |
| | | crtc = find_crtc_by_xid (output->output_info->crtcs[c]); |
| | | if (!crtc) |
| | | fatal ("cannot find crtc 0x%x\n", output->output_info->crtcs[c]); |
| | | |
| | | /* reset crtc allocation for following outputs */ |
| | | disable_outputs (outputs); |
| | | if (!check_crtc_for_output (crtc, output)) |
| | | continue; |
| | | |
| | | my_score = 1000; |
| | | /* slight preference for existing connections */ |
| | | if (crtc == output->current_crtc_info) |
| | | my_score++; |
| | | |
| | | output->crtc_info = crtc; |
| | | score = my_score + pick_crtcs_score (outputs); |
| | | if (score > best_score) |
| | | { |
| | | best_crtc = crtc; |
| | | best_score = score; |
| | | } |
| | | } |
| | | if (output->crtc_info != best_crtc) |
| | | output->crtc_info = best_crtc; |
| | | /* |
| | | * Reset other outputs based on this one using the best crtc |
| | | */ |
| | | (void) pick_crtcs_score (outputs); |
| | | |
| | | return best_score; |
| | | } |
| | | |
| | | /* |
| | | * Pick crtcs for any changing outputs that don't have one |
| | | */ |
| | | static Bool |
| | | pick_crtcs (void) |
| | | { |
| | | output_t *output; |
| | | int i; |
| | | |
| | | /* |
| | | * First try to match up newly enabled outputs with spare crtcs |
| | | */ |
| | | for (i = 0; i < ncon; i++) |
| | | { |
| | | output = con_outputs[i].output; |
| | | |
| | | if (output->mode_info) |
| | | { |
| | | if (output->crtc_info) { |
| | | if (output->crtc_info->crtc_info->noutput > 0 && |
| | | (output->crtc_info->crtc_info->noutput > 1 || |
| | | output != find_output_by_xid (output->crtc_info->crtc_info->outputs[0]))) |
| | | break; |
| | | } else { |
| | | output->crtc_info = find_crtc_for_output (output); |
| | | if (!output->crtc_info) |
| | | break; |
| | | else { |
| | | if (verbose) |
| | | fprintf(stderr, "picked crtc 0x%lx for output %d (%s)\n", |
| | | output->crtc_info->crtc.xid, i, output->output_info->name); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | /* |
| | | * Everyone is happy |
| | | */ |
| | | if (i == ncon) |
| | | return True; |
| | | /* |
| | | * When the simple way fails, see if there is a way |
| | | * to swap crtcs around and make things work |
| | | */ |
| | | for (output = outputs; output; output = output->next) |
| | | output->current_crtc_info = output->crtc_info; |
| | | pick_crtcs_score (outputs); |
| | | for (output = outputs; output; output = output->next) |
| | | { |
| | | if (output->mode_info && !output->crtc_info) { |
| | | if (verbose) |
| | | fprintf (stderr, "cannot find crtc for output %s\n", |
| | | output->output.string); |
| | | return False; |
| | | } |
| | | } |
| | | |
| | | return True; |
| | | } |
| | | |
| | | static Bool |
| | | probe_and_check_output_changes (void) { |
| | | XRRScreenResources *new_res = NULL; |
| | | int changed = False; |
| | | int i; |
| | | |
| | | new_res = XRRGetScreenResources (dpy, root); |
| | | if (!new_res) |
| | | fatal ("could not get screen resources"); |
| | | |
| | | if ((new_res->noutput != res->noutput) || (new_res->nmode != res->nmode) || |
| | | (new_res->ncrtc != res->ncrtc)) |
| | | changed = True; |
| | | else { |
| | | for (i = 0; i < new_res->noutput; i++) |
| | | if (new_res->outputs[i] != res->outputs[i]) { |
| | | changed = True; |
| | | break; |
| | | } |
| | | for (i = 0; i < new_res->nmode; i++) |
| | | if (new_res->modes[i].id != res->modes[i].id) { |
| | | changed = True; |
| | | break; |
| | | } |
| | | for (i = 0; i < new_res->ncrtc; i++) { |
| | | crtc_t *crtc = NULL; /* old */ |
| | | XRRCrtcInfo *crtc_info = NULL; /* new */ |
| | | |
| | | crtc = find_crtc_by_xid (res->crtcs[i]); |
| | | crtc_info = XRRGetCrtcInfo (dpy, new_res, |
| | | new_res->crtcs[i]); |
| | | |
| | | if (!crtc || !crtc_info) { |
| | | changed = True; |
| | | break; |
| | | } |
| | | if (!crtc->mode_info && !find_mode_by_xid (crtc_info->mode)) |
| | | continue; |
| | | if ((crtc_info->x != crtc->x) || |
| | | (crtc_info->y != crtc->y) || |
| | | (find_mode_by_xid (crtc_info->mode) != crtc->mode_info) || |
| | | (crtc_info->rotation != crtc->rotation)) { |
| | | changed = True; |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | |
| | | if (changed) { |
| | | if (res) |
| | | XRRFreeScreenResources(res); |
| | | res = new_res; |
| | | |
| | | if (verbose) |
| | | fprintf(stderr, "probed: output status changed\n"); |
| | | return True; |
| | | } |
| | | |
| | | if (verbose) |
| | | fprintf(stderr, "probed: no output status change\n"); |
| | | return False; |
| | | } |
| | | |
| | | static Bool |
| | | need_probe (void) { |
| | | struct timeval cur_time_val; |
| | | long long cur, prev; |
| | | |
| | | X_GETTIMEOFDAY(&cur_time_val); |
| | | cur = (long long) cur_time_val.tv_sec * 1000000 + cur_time_val.tv_usec; |
| | | prev =(long long) time_val.tv_sec * 1000000 + time_val.tv_usec; |
| | | if (((cur - prev) < 0) || ((cur - prev) > 5000000)) |
| | | return True; |
| | | else |
| | | return False; |
| | | } |
| | | |
| | | static int |
| | | mode_sort (const void *p1, void *p2) |
| | | { |
| | | XRRModeInfo *mi1 = * (XRRModeInfo **) p1; |
| | | XRRModeInfo *mi2 = * (XRRModeInfo **) p2; |
| | | |
| | | if ((mi1->width == mi2->width) && (mi1->height == mi2->height)) { |
| | | if (mode_refresh(mi1) && mode_refresh(mi2)) { |
| | | if (mode_refresh(mi1) < mode_refresh(mi2)) |
| | | return 1; |
| | | if (mode_refresh(mi1) > mode_refresh(mi2)) |
| | | return -1; |
| | | } else |
| | | return 0; |
| | | } |
| | | |
| | | if ((mi1->width == mi2->width) && (mi1->height < mi2->height)) |
| | | return 1; |
| | | if ((mi1->width == mi2->width) && (mi1->height > mi2->height)) |
| | | return -1; |
| | | if (mi1->width < mi2->width) |
| | | return 1; |
| | | if (mi1->width > mi2->width) |
| | | return -1; |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | static int |
| | | output_sort (const void *p1, const void *p2) { |
| | | con_output_t co1 = * (con_output_t *) p1; |
| | | con_output_t co2 = * (con_output_t *) p2; |
| | | int ncrtc1 = co1.output->output_info->ncrtc; |
| | | int ncrtc2 = co2.output->output_info->ncrtc; |
| | | char *name1 = co1.output->output_info->name; |
| | | char *name2 = co2.output->output_info->name; |
| | | |
| | | if (ncrtc1 == ncrtc2) |
| | | return (strcmp(name1, name2)); |
| | | if (ncrtc1 < ncrtc2) |
| | | return -1; |
| | | |
| | | return 1; |
| | | } |
| | | |
| | | static Bool |
| | | get_common_mode(con_output_t *c0, con_output_t *c1, int *m0, int *m1) { |
| | | int i, j; |
| | | int i1 = -1, j1 = -1, i2 = -1, j2 = -1; |
| | | int x, y, w, h; |
| | | output_t *output = c0->output; |
| | | |
| | | *m0 = -1; |
| | | *m0 = -1; |
| | | if (!c0 ||!c1 || !c0->smodes || !c1->smodes) |
| | | return False; |
| | | |
| | | /* first try to find mode with common same size */ |
| | | for (i = 0; i < c0->nsmodes; i ++) { |
| | | for (j = 0; j < c1->nsmodes; j ++) |
| | | if ((c0->smodes[i]->width == c1->smodes[j]->width) && |
| | | (c0->smodes[i]->height == c1->smodes[j]->height)) { |
| | | x = output->x; |
| | | y = output->y; |
| | | w = mode_width (c0->smodes[i], output->rotation); |
| | | h = mode_height (c0->smodes[i], output->rotation); |
| | | if ((x + w <= maxWidth) && (y + h <= maxHeight)) { |
| | | i1 = i; j1 = j; |
| | | break; |
| | | } |
| | | } |
| | | if ((i1 != -1) && (j1 != -1)) |
| | | break; |
| | | } |
| | | |
| | | if ((i1 == -1) && (j1 == -1)) |
| | | return False; |
| | | |
| | | /* then try to find mode with common id for possible cloning */ |
| | | for (i = 0; i < c0->nsmodes; i ++) { |
| | | for (j = 0; j < c1->nsmodes; j ++) |
| | | if (c0->smodes[i] == c1->smodes[j]) { |
| | | x = output->x; |
| | | y = output->y; |
| | | w = mode_width (c0->smodes[i], output->rotation); |
| | | h = mode_height (c0->smodes[i], output->rotation); |
| | | if ((x + w <= maxWidth) && (y + h <= maxHeight)) { |
| | | i2 = i; j2 = j; |
| | | break; |
| | | } |
| | | } |
| | | if ((i2 != -1) && (j2 != -1)) |
| | | break; |
| | | } |
| | | |
| | | if ((i2 == -1) && (j2 == -1)) { |
| | | *m0 = i1; |
| | | *m1 = j1; |
| | | } else { |
| | | /* use common id if it is not smaller */ |
| | | if ((mode_width (c0->smodes[i1], output->rotation) > |
| | | mode_width (c0->smodes[i2], output->rotation)) && |
| | | (mode_height (c0->smodes[i1], output->rotation) > |
| | | mode_height (c0->smodes[i2], output->rotation))) { |
| | | *m0 = i1; |
| | | *m1 = j1; |
| | | } else { |
| | | *m0 = i2; |
| | | *m1 = j2; |
| | | } |
| | | } |
| | | |
| | | return True; |
| | | } |
| | | |
| | | static XRRModeInfo * |
| | | get_largest_mode (con_output_t *c, XRRModeInfo *start_mode) { |
| | | int i, found = False; |
| | | output_t *output = c->output; |
| | | |
| | | for (i = 0; i < c->nsmodes; i++) { |
| | | XRRModeInfo *mode_info = c->smodes[i]; |
| | | int x, y, w, h; |
| | | |
| | | if (!found && (start_mode != mode_info)) |
| | | continue; |
| | | else |
| | | found = True; |
| | | |
| | | if (mode_info) { |
| | | x = output->x; |
| | | y = output->y; |
| | | w = mode_width (mode_info, output->rotation); |
| | | h = mode_height (mode_info, output->rotation); |
| | | if ((x + w <= maxWidth) && (y + h <= maxHeight)) |
| | | break; |
| | | } |
| | | } |
| | | |
| | | if (i < c->nsmodes) |
| | | return c->smodes[i]; |
| | | else |
| | | fatal("cannot find mode"); |
| | | |
| | | } |
| | | |
| | | static Bool |
| | | valid_mode(con_output_t *con, XRRModeInfo *mode) { |
| | | int i; |
| | | |
| | | for (i = 0; i < con->nsmodes; i++) |
| | | if (con->smodes[i] == mode) |
| | | return True; |
| | | |
| | | return False; |
| | | } |
| | | |
| | | static void |
| | | do_init (void) |
| | | { |
| | | int i, j; |
| | | output_t *output; |
| | | |
| | | /* Initialize con_outputs array */ |
| | | for (i = 0; i < MAX_OUTPUT; i++) { |
| | | con_outputs[i].output = NULL; |
| | | con_outputs[i].on = False; |
| | | start_mode[i] = NULL; |
| | | new_mode[i] = NULL; |
| | | } |
| | | |
| | | ncon = 0; |
| | | dis_ncon = 0; |
| | | init_rotation = RR_Rotate_0; |
| | | init_x = 0; |
| | | init_y = 0; |
| | | get_crtcs (); |
| | | get_outputs (); |
| | | |
| | | for (output = outputs; output; output = output->next) { |
| | | XRROutputInfo *output_info = output->output_info; |
| | | |
| | | if (output_info->connection == RR_Connected) { |
| | | con_outputs[ncon].output = output; |
| | | con_outputs[ncon].nsmodes = 0; |
| | | for (j = 0; j < output_info->nmode; j++) { |
| | | XRRModeInfo *rmode = find_mode_by_xid (output_info->modes[j]); |
| | | |
| | | con_outputs[ncon].smodes = |
| | | realloc(con_outputs[ncon].smodes, |
| | | (con_outputs[ncon].nsmodes + 1) * sizeof (XRRModeInfo *)); |
| | | con_outputs[ncon].smodes[j] = rmode; |
| | | con_outputs[ncon].nsmodes ++; |
| | | } |
| | | |
| | | /* Sort the modes */ |
| | | qsort((void *) con_outputs[ncon].smodes, |
| | | con_outputs[ncon].nsmodes, sizeof(XRRModeInfo *), |
| | | (int (*) (const void *, const void *)) mode_sort); |
| | | |
| | | if (output_info->crtc) { |
| | | crtc_t *crtc; |
| | | |
| | | con_outputs[ncon].on = True; |
| | | for (j = 0; j < output_info->ncrtc; j++) { |
| | | if (output_info->crtcs[j] == output_info->crtc) |
| | | break; |
| | | if (j == output_info->ncrtc) { |
| | | if (verbose) |
| | | fatal ("crtc does not match for output\n"); |
| | | } |
| | | } |
| | | /* set initial mode_info */ |
| | | crtc = find_crtc_by_xid (output_info->crtc); |
| | | if (crtc) |
| | | con_outputs[ncon].output->mode_info = |
| | | find_mode_by_xid (crtc->crtc_info->mode); |
| | | } |
| | | else |
| | | con_outputs[ncon].on = False; |
| | | ncon ++; |
| | | } else if (output_info->connection == RR_Disconnected) { |
| | | dis_con_outputs[dis_ncon].output = output; |
| | | dis_ncon ++; |
| | | } |
| | | } |
| | | |
| | | qsort((void **) con_outputs, ncon, |
| | | sizeof(con_output_t), (int (*) (const void *, const void *)) output_sort); |
| | | |
| | | if (verbose) { |
| | | fprintf(stderr, "Total connected outputs = %d :\n", ncon); |
| | | for (j = 0; j < ncon; j++) { |
| | | fprintf(stderr, "%d (%s): top mode = %s, rotation = %d, crtcs =", j, |
| | | con_outputs[j].output->output_info->name, |
| | | con_outputs[j].smodes[0]->name, |
| | | con_outputs[j].output->rotation); |
| | | for (i = 0; i < con_outputs[j].output->output_info->ncrtc; i++) |
| | | fprintf(stderr, " 0x%lx", con_outputs[j].output->output_info->crtcs[i]); |
| | | fprintf(stderr, ", using 0x%lx", con_outputs[j].output->output_info->crtc); |
| | | fprintf(stderr, "\n"); |
| | | } |
| | | fprintf(stderr, "Total disconnected outputs = %d :\n", dis_ncon); |
| | | for (j = 0; j < dis_ncon; j++) { |
| | | fprintf(stderr, "%d (%s) : number of crtcs %d =", j, |
| | | dis_con_outputs[j].output->output_info->name, |
| | | dis_con_outputs[j].output->output_info->ncrtc); |
| | | for (i = 0; i < dis_con_outputs[j].output->output_info->ncrtc; i++) |
| | | fprintf(stderr, " 0x%lx", dis_con_outputs[j].output->output_info->crtcs[i]); |
| | | fprintf(stderr, ", using 0x%lx", dis_con_outputs[j].output->output_info->crtc); |
| | | fprintf(stderr, "\n"); |
| | | } |
| | | } |
| | | |
| | | i = con_outputs[2].on * 4 + con_outputs[1].on * 2 + con_outputs[0].on; |
| | | |
| | | if ((i == 1) || (i == 2) || (i == 4)) { |
| | | use_init_pos = True; |
| | | j = i >> 1; |
| | | |
| | | /* remember position and mode info in single state */ |
| | | start_mode[j] = con_outputs[j].output->mode_info; |
| | | init_rotation = con_outputs[j].output->rotation; |
| | | init_x = con_outputs[j].output->x; |
| | | init_y = con_outputs[j].output->y; |
| | | } else |
| | | use_init_pos = False; |
| | | |
| | | if ((ncon != 2) || (start < 3)) |
| | | start = i; |
| | | |
| | | if ((ncon < 1) || (ncon > 3)) { |
| | | if ((ncon < 1) && verbose) |
| | | fprintf (stderr, "warn: no connection\n"); |
| | | else if ((ncon > 3) && verbose) |
| | | fprintf (stderr, "warn: too many (more than 3) connections: %d: can't switch\n", ncon); |
| | | do_not_switch = True; |
| | | } |
| | | |
| | | did_init = True; |
| | | |
| | | return; |
| | | } |
| | | |
| | | static int |
| | | grab_key (Display *dpy, int keysym, unsigned int modifier, |
| | | Window grab_window) |
| | | { |
| | | char msg[256]; |
| | | int keycode = XKeysymToKeycode(dpy, keysym); |
| | | |
| | | if (keycode == NoSymbol) |
| | | fatal ("grab_key: keycode not defined for keysym 0x%x\n", keysym); |
| | | |
| | | had_error = 0; |
| | | prev_handler = XSetErrorHandler (cur_handler); |
| | | |
| | | if (!testrun) { |
| | | XGrabKey(dpy, |
| | | keycode, |
| | | modifier, |
| | | root, True, GrabModeAsync, GrabModeAsync); |
| | | XSync (dpy, False); |
| | | } |
| | | |
| | | XSetErrorHandler (prev_handler); |
| | | if (had_error) { |
| | | XGetErrorText (dpy, had_error, msg, sizeof (msg)); |
| | | fatal ("XGrabKey: %s\n", msg); |
| | | } |
| | | |
| | | if (verbose) |
| | | fprintf(stderr, "keycode to grab: %d\n", keycode); |
| | | |
| | | return keycode; |
| | | } |
| | | |
| | | static Bool |
| | | do_switch (void) |
| | | { |
| | | int i, j; |
| | | int single; |
| | | int save = -1; |
| | | |
| | | if (ncon <= 0) |
| | | return True; |
| | | |
| | | for (i = 0; i < ncon; i++) { |
| | | output_t *output = con_outputs[i].output; |
| | | |
| | | new_mode[i] = NULL; |
| | | output->relation = same_as; |
| | | output->relative_to = NULL; |
| | | if (use_init_pos) { |
| | | output->x = init_x; |
| | | output->y = init_y; |
| | | output->rotation = init_rotation; |
| | | } else { |
| | | output->x = 0; |
| | | output->y = 0; |
| | | } |
| | | } |
| | | |
| | | if (ncon == 2) { |
| | | if (!nosideview) { |
| | | if (++start > 5) start = 1; |
| | | } |
| | | else { |
| | | if (++start > 3) start = 1; |
| | | } |
| | | |
| | | if (verbose) |
| | | fprintf(stderr, "current state = %d\n", start); |
| | | if (start >= 3) { |
| | | int m0, m1; |
| | | |
| | | if (get_common_mode(&con_outputs[0], &con_outputs[1], &m0, &m1)) { |
| | | new_mode[0] = con_outputs[0].smodes[m0]; |
| | | new_mode[1] = con_outputs[1].smodes[m1]; |
| | | } else { |
| | | new_mode[0] = get_largest_mode (&con_outputs[0], |
| | | con_outputs[0].smodes[0]); |
| | | new_mode[1] = get_largest_mode (&con_outputs[1], |
| | | con_outputs[1].smodes[0]); |
| | | } |
| | | } else { |
| | | if (start_mode[start -1] && valid_mode(&con_outputs[start -1], |
| | | start_mode[start -1])) |
| | | new_mode[start -1] = start_mode[start -1]; |
| | | else { |
| | | if (con_outputs[start -1].smodes[0]) |
| | | new_mode[start -1] = |
| | | get_largest_mode (&con_outputs[start-1], |
| | | con_outputs[start -1].smodes[0]); |
| | | } |
| | | } |
| | | } |
| | | |
| | | if (ncon == 3) { |
| | | if (++start > 6) start = 1; |
| | | if (verbose) |
| | | fprintf(stderr, "current state = %d\n", start); |
| | | if ((start == 1) || (start == 2) || (start == 4)) { |
| | | single = 1; |
| | | i = start >> 1; |
| | | j = 0; |
| | | } |
| | | else { |
| | | single = 0; |
| | | if (start > 4) |
| | | j = 2; |
| | | else |
| | | j = 1; |
| | | if (start > 5) |
| | | i = 1; |
| | | else |
| | | i = 0; |
| | | } |
| | | |
| | | if (single) { |
| | | if (start_mode[i] && valid_mode(&con_outputs[i], start_mode[i])) |
| | | new_mode[i] = start_mode[i]; |
| | | else { |
| | | if (con_outputs[i].smodes[0]) |
| | | new_mode[i] = get_largest_mode (&con_outputs[i], |
| | | con_outputs[i].smodes[0]); |
| | | } |
| | | } |
| | | else { |
| | | int m0, m1; |
| | | |
| | | if (get_common_mode(&con_outputs[i], &con_outputs[j], &m0, &m1)) { |
| | | new_mode[i] = con_outputs[i].smodes[m0]; |
| | | new_mode[j] = con_outputs[j].smodes[m1]; |
| | | } else { |
| | | new_mode[i] = get_largest_mode (&con_outputs[i], |
| | | con_outputs[i].smodes[0]); |
| | | new_mode[j] = get_largest_mode (&con_outputs[j], |
| | | con_outputs[j].smodes[0]); |
| | | } |
| | | } |
| | | } |
| | | |
| | | if (ncon == 1) { |
| | | if (start_mode[0] && valid_mode(&con_outputs[0], start_mode[0])) |
| | | new_mode[0] = start_mode[0]; |
| | | else { |
| | | if (con_outputs[0].smodes[0]) |
| | | new_mode[0] = get_largest_mode (&con_outputs[0], |
| | | con_outputs[0].smodes[0]); |
| | | } |
| | | } |
| | | |
| | | /* Set mode */ |
| | | for (i = 0; i < ncon; i++) { |
| | | output_t *output; |
| | | |
| | | output = con_outputs[i].output; |
| | | if (new_mode[i]) { |
| | | if ((!output->mode_info) || (output->mode_info != new_mode[i])) { |
| | | output->mode_info = new_mode[i]; |
| | | con_outputs[i].on = True; |
| | | if (verbose) |
| | | fprintf(stderr, "set output %d (%s) to mode %s rotation %d\n", i, |
| | | con_outputs[i].output->output_info->name, |
| | | con_outputs[i].output->mode_info->name, |
| | | con_outputs[i].output->rotation); |
| | | } |
| | | } else if (con_outputs[i].on ) { |
| | | if (!need_off_deferred) { |
| | | output->mode_info = NULL; |
| | | con_outputs[i].on = False; |
| | | if (verbose) |
| | | fprintf(stderr, "turn off output %d (%s) \n", |
| | | i, con_outputs[i].output->output_info->name); |
| | | } else |
| | | save = i; |
| | | } |
| | | } |
| | | |
| | | if ((ncon == 2) && (start >= 4)) { |
| | | if (start == 4) { |
| | | con_outputs[1].output->relative_to = con_outputs[0].output; |
| | | con_outputs[1].output->relation = right_of; |
| | | con_outputs[1].output->changes = changes_relation; |
| | | con_outputs[0].output->changes = 0; |
| | | } |
| | | else if (start == 5) { |
| | | con_outputs[0].output->relative_to = con_outputs[1].output; |
| | | con_outputs[0].output->relation = right_of; |
| | | con_outputs[0].output->changes = changes_relation; |
| | | con_outputs[1].output->changes = 0; |
| | | } |
| | | |
| | | set_positions(); |
| | | } |
| | | |
| | | if (!set_screen_size ()) |
| | | return False; |
| | | |
| | | |
| | | /* reset crtcs before allocation */ |
| | | reset_crtcs_for_outputs(); |
| | | |
| | | if (!did_init) |
| | | get_crtcs(); |
| | | |
| | | if (!pick_crtcs()) { |
| | | if (verbose) |
| | | fprintf(stderr, "pick_crtcs failed\n"); |
| | | return True; |
| | | } |
| | | |
| | | set_crtcs (); |
| | | apply(); |
| | | |
| | | if (need_off_deferred && (save != -1)) { |
| | | /* Now, take the deferred output off */ |
| | | output_t *output; |
| | | crtc_t *crtc; |
| | | Status s; |
| | | |
| | | output = con_outputs[save].output; |
| | | output->mode_info = NULL; |
| | | con_outputs[save].on = False; |
| | | if (verbose) |
| | | fprintf(stderr, "turn off output %d (%s) \n", |
| | | save, con_outputs[save].output->output_info->name); |
| | | |
| | | crtc = output->crtc_info; |
| | | s = crtc_disable (crtc); |
| | | if (s != RRSetConfigSuccess) |
| | | panic (s, crtc); |
| | | } |
| | | |
| | | XSync (dpy, False); |
| | | |
| | | did_init = False; |
| | | |
| | | return True; |
| | | |
| | | } |
| | | |
| | | static Bool |
| | | do_toggle (void) |
| | | { |
| | | Atom atom; |
| | | XEvent xev; |
| | | int ret; |
| | | |
| | | atom = XInternAtom (dpy, "DISPLAYSWITCH_DAEMON", True); |
| | | if (!atom) { |
| | | fprintf(stderr, "dispswitch daemon not running\n"); |
| | | return False; |
| | | } |
| | | |
| | | win = XGetSelectionOwner (dpy, atom); |
| | | if (!win) { |
| | | fprintf(stderr, "dispswitch: No owner of dispswitch daemon is found\n"); |
| | | return False; |
| | | } |
| | | |
| | | bzero (&xev, sizeof (XEvent)); |
| | | xev.xkey.type = KeyPress; |
| | | xev.xkey.send_event = True; |
| | | xev.xkey.display = dpy; |
| | | /* Any keycode */ |
| | | xev.xkey.keycode = 71; |
| | | |
| | | |
| | | /* |
| | | * Send another instance of dispswitch (a daemon) an event to |
| | | * request a switch |
| | | */ |
| | | ret = XSendEvent(dpy, win, False, KeyPressMask, &xev); |
| | | XFlush(dpy); |
| | | |
| | | if (!ret) |
| | | fprintf(stderr, "dispswitch: XSendEvent error\n"); |
| | | |
| | | return (!ret); |
| | | } |
| | | |
| | | int |
| | | main (int argc, char **argv) |
| | | { |
| | | char *display_name = NULL; |
| | | int major, minor; |
| | | int i; |
| | | char msg[256]; |
| | | XEvent ev; |
| | | unsigned int modifier = 0; |
| | | Bool key_given = False; |
| | | Bool mod_given = False; |
| | | int keysym = 0, toggle = False, listen = False; |
| | | |
| | | Atom atom; |
| | | |
| | | program_name = argv[0]; |
| | | |
| | | for (i = 1; i < argc; i++) { |
| | | if (!strcmp ("-display", argv[i]) || !strcmp ("-d", argv[i])) { |
| | | if (++i>=argc) usage (); |
| | | display_name = argv[i]; |
| | | continue; |
| | | } |
| | | if (!strcmp ("-key", argv[i]) || !strcmp ("-k", argv[i])) { |
| | | if (++i>=argc) usage (); |
| | | if ((keysym = XStringToKeysym(argv[i])) == NoSymbol) { |
| | | fprintf(stderr, "invalid keysym: -key %s\n", argv[i]); |
| | | usage(); |
| | | } |
| | | key_given = True; |
| | | continue; |
| | | } |
| | | if (!strcmp ("-mod", argv[i]) || !strcmp ("-m", argv[i])) { |
| | | int j; |
| | | char *s, *p, *q; |
| | | int end = 0; |
| | | |
| | | if (++i>=argc) usage (); |
| | | s = strdup (argv[i]); |
| | | if (!s) { |
| | | if (verbose) |
| | | fprintf(stderr, "modifier failed, will use default modifier\n"); |
| | | continue; |
| | | } |
| | | while (*s == ' ') s++; |
| | | p = s + strlen(s) - 1; |
| | | while (*p == ' ') *p-- = 0; |
| | | q = s; |
| | | for (; ;) { |
| | | if (p = strchr(s, '+')) { |
| | | *p = ' '; |
| | | while ((p > s) && (*(p-1) == ' ')) p--; |
| | | *p = 0; |
| | | } |
| | | else |
| | | end = 1; |
| | | for (j = 0; j < MAX_MODIFIERS; j++) { |
| | | if (!strcmp(mod_key_table[j].modname, s)) { |
| | | modifier |= mod_key_table[j].mod; |
| | | break; |
| | | } |
| | | } |
| | | if (j == MAX_MODIFIERS) { |
| | | fprintf(stderr, "invalid modifier: -mod %s\n", q); |
| | | usage(); |
| | | } |
| | | if (end) |
| | | break; |
| | | else { |
| | | s = ++p; |
| | | while (*s == ' ') s++; |
| | | } |
| | | } |
| | | mod_given = True; |
| | | free (q); |
| | | continue; |
| | | } |
| | | if (!strcmp ("-nosideview", argv[i])) { |
| | | nosideview = True; |
| | | continue; |
| | | } |
| | | if (!strcmp ("-verbose", argv[i]) || !strcmp ("-v", argv[i])) { |
| | | verbose = True; |
| | | continue; |
| | | } |
| | | if (!strcmp ("-testrun", argv[i])) { |
| | | testrun = True; |
| | | verbose = True; |
| | | continue; |
| | | } |
| | | if (!strcmp ("-toggle", argv[i]) || !strcmp ("-t", argv[i])) { |
| | | toggle = True; |
| | | continue; |
| | | } |
| | | if (!strcmp ("-listen", argv[i]) || !strcmp ("-l", argv[i])) { |
| | | listen = True; |
| | | continue; |
| | | } |
| | | usage(); |
| | | } |
| | | |
| | | dpy = XOpenDisplay (display_name); |
| | | |
| | | if (dpy == NULL) |
| | | fatal ("can't open display %s\n", XDisplayName(display_name)); |
| | | |
| | | screen = DefaultScreen (dpy); |
| | | root = RootWindow (dpy, screen); |
| | | |
| | | if (!XRRQueryVersion (dpy, &major, &minor)) |
| | | fatal ("randr extension missing\n"); |
| | | |
| | | if ((major <= 1) && (major != 1 || minor < 2)) |
| | | fatal ("wrong randr version: %d.%d\n", major, minor); |
| | | |
| | | |
| | | if (toggle) |
| | | exit (do_toggle()); |
| | | |
| | | /* |
| | | * Create an atom, a trivial window, and make it selection owner. |
| | | * Ready to accept a client event request for switch |
| | | */ |
| | | atom = XInternAtom(dpy, "DISPLAYSWITCH_DAEMON", False); |
| | | if (!atom) { |
| | | if (verbose) |
| | | fprintf(stderr, "cannot create Atom\n"); |
| | | } |
| | | else { |
| | | if (XGetSelectionOwner (dpy, atom)) { |
| | | if (verbose) |
| | | fprintf(stderr, "dispswitch daemon is already running, quit\n"); |
| | | exit (1); |
| | | } |
| | | win = XCreateSimpleWindow(dpy, root, 0, 0, 10, 10, 0, 10, 0); |
| | | if (!win) { |
| | | if (verbose) |
| | | fprintf(stderr, "cannot create window\n"); |
| | | } |
| | | else { |
| | | XSetSelectionOwner(dpy, atom, win, CurrentTime); |
| | | if (XGetSelectionOwner(dpy, atom) != win) { |
| | | if (verbose) |
| | | fprintf(stderr, "set selection owner failed\n"); |
| | | } else |
| | | XSelectInput(dpy, win, KeyPressMask); |
| | | } |
| | | } |
| | | |
| | | /* set default key and modifier if not given in command */ |
| | | if (!key_given) |
| | | keysym = XStringToKeysym ("F5"); |
| | | if (!mod_given) |
| | | modifier = ShiftMask; |
| | | |
| | | if (!listen) |
| | | cur_keycode = grab_key (dpy, keysym, modifier, root); |
| | | |
| | | XRRGetScreenSizeRange (dpy, root, &minWidth, &minHeight, |
| | | &maxWidth, &maxHeight); |
| | | |
| | | fb_width_mm = DisplayWidthMM (dpy, screen); |
| | | fb_height_mm = DisplayHeightMM (dpy, screen); |
| | | dpi = (25.4 * DisplayHeight (dpy, screen)) / DisplayHeightMM(dpy, screen); |
| | | |
| | | res = XRRGetScreenResources (dpy, root); |
| | | if (!res) |
| | | fatal ("could not get screen resources\n"); |
| | | if (res->ncrtc < 2) |
| | | fatal ("too few crtcs: %d\n", res->ncrtc); |
| | | |
| | | do_init(); |
| | | |
| | | X_GETTIMEOFDAY(&time_val); |
| | | |
| | | for(;;) |
| | | { |
| | | need_off_deferred = False; |
| | | |
| | | if (testrun) { |
| | | usleep(4000000); |
| | | fprintf(stderr, "\n"); |
| | | } else |
| | | XNextEvent(dpy, &ev); |
| | | |
| | | if (!listen && !testrun && (ev.type == MappingNotify) && |
| | | ((ev.xmapping.request == MappingKeyboard) || |
| | | (ev.xmapping.request == MappingModifier))) { |
| | | /* keyboard/modifier mapping changed */ |
| | | if (verbose) |
| | | fprintf(stderr, "\nkeyboard/modifier mapping changed ...\n"); |
| | | |
| | | XUngrabKey(dpy, cur_keycode, modifier, root); |
| | | cur_keycode = grab_key (dpy, keysym, modifier, root); |
| | | } |
| | | |
| | | if (testrun || (ev.type == KeyPress)) { |
| | | if (verbose) |
| | | fprintf(stderr, "\na key press event was grabbed ...\n"); |
| | | |
| | | do_not_switch = False; |
| | | |
| | | if (testrun || need_probe()) { |
| | | /* Too long since last switch, need to check output changes */ |
| | | if (probe_and_check_output_changes ()) { |
| | | output_t *output, *next; |
| | | |
| | | output = outputs; |
| | | while (output) { |
| | | if (output->output_info) |
| | | XRRFreeOutputInfo (output->output_info); |
| | | if (output->crtc_info && output->crtc_info->outputs) { |
| | | free(output->crtc_info->outputs); |
| | | output->crtc_info->outputs = NULL; |
| | | } |
| | | next = output->next; |
| | | free(output); |
| | | output = next; |
| | | } |
| | | outputs = NULL; |
| | | outputs_tail = &outputs; |
| | | for (i = 0; i < ncon; i++) { |
| | | con_outputs[i].output = NULL; |
| | | con_outputs[i].on = False; |
| | | if (con_outputs[i].smodes) { |
| | | free(con_outputs[i].smodes); |
| | | con_outputs[i].smodes = NULL; |
| | | } |
| | | con_outputs[i].nsmodes = 0; |
| | | } |
| | | |
| | | do_init(); |
| | | } else if (ncon == 1) |
| | | do_not_switch = True; |
| | | } else if (ncon == 1) |
| | | do_not_switch = True; |
| | | |
| | | if (!do_not_switch) { |
| | | if ((ncon == 2) && (start == 1)) |
| | | /* |
| | | * Workaround for intel based graphics: in switching from |
| | | * LVDS to VGA, off on LVDS needs to be deferred. |
| | | */ |
| | | need_off_deferred = True; |
| | | if (!do_switch()) { |
| | | if ((ncon == 2) && (start == 4)) { |
| | | start = 5; |
| | | if (verbose) |
| | | fprintf(stderr, "too small screen, skipping side view\n"); |
| | | (void) do_switch(); |
| | | } |
| | | } |
| | | } |
| | | |
| | | X_GETTIMEOFDAY(&time_val); |
| | | } |
| | | } |
| | | } |
| | | |