diff options
| -rw-r--r-- | man/DMX.man | 79 | ||||
| -rw-r--r-- | man/DMXAddInput.man | 162 | ||||
| -rw-r--r-- | man/DMXAddScreen.man | 104 | ||||
| -rw-r--r-- | man/DMXChangeDesktopAttributes.man | 102 | ||||
| -rw-r--r-- | man/DMXChangeScreensAttributes.man | 123 | ||||
| -rw-r--r-- | man/DMXForceWindowCreation.man | 51 | ||||
| -rw-r--r-- | man/DMXGetDesktopAttributes.man | 67 | ||||
| -rw-r--r-- | man/DMXGetInputAttributes.man | 135 | ||||
| -rw-r--r-- | man/DMXGetInputCount.man | 53 | ||||
| -rw-r--r-- | man/DMXGetScreenAttributes.man | 112 | ||||
| -rw-r--r-- | man/DMXGetScreenCount.man | 68 | ||||
| -rw-r--r-- | man/DMXGetWindowAttributes.man | 154 | ||||
| -rw-r--r-- | man/DMXQueryExtension.man | 55 | ||||
| -rw-r--r-- | man/DMXQueryVersion.man | 80 | ||||
| -rw-r--r-- | man/DMXRemoveInput.man | 59 | ||||
| -rw-r--r-- | man/DMXRemoveScreen.man | 60 | ||||
| -rw-r--r-- | man/DMXSync.man | 50 | ||||
| -rw-r--r-- | src/dmx.c | 802 |
18 files changed, 2316 insertions, 0 deletions
diff --git a/man/DMX.man b/man/DMX.man new file mode 100644 index 0000000..41cae1a --- /dev/null +++ b/man/DMX.man @@ -0,0 +1,79 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMX 3X __vendorversion__ +.SH NAME +DMX \- X Window System DMX (Distributed Multihead X) extension +.SH DESCRIPTION +The DMX extension provides support for communication with and control of +.BR Xdmx (1) +server. Attributes of the +.BR Xdmx (1) +server and of the back-end screens attached to the server can be queried +and modified via this protocol. +.SH "SUMMARY OF LIBRARY FUNCTIONS" +The following is a summary of DMX library functions: +.sp +DMXQueryExtension(3X) \- determine if DMX is available +.sp +DMXQueryVersion(3X) \- determine DMX extension version +.sp +DMXSync(3X) \- flush protocol requests between +.BR Xdmx (1) +and back-end X servers +.sp +DMXForceWindowCreation(3X) \- force immediate back-end window creation +.sp +DMXGetScreenCount(3X) \- determine number of back-end screens +.sp +DMXGetScreenAttributes(3X) \- determine back-end screen attributes +.sp +DMXChangeScreensAttributes(3X) \- change back-end screen attributes +.sp +DMXAddScreen(3X) \- attach a new back-end screen +.sp +DMXRemoveScreen(3X) \- detach a back-end screen +.sp +DMXGetWindowAttributes(3X) \- determine back-end window attributes +.sp +DMXGetDesktopAttributes(3X) \- determine global bounding box +.sp +DMXChangeDesktopAttributes(3X) \- change global bounding box +.sp +DMXGetInputCount(3X) \- determine number of input devices +.sp +DMXGetInputAttributes(3X) \- determine input device attributes +.sp +DMXAddInput(3X) \- attach a new backend or console input +.sp +DMXRemoveInput(3X) \- detach an input +.sp +DMXAddBackendInput(3X) \- attach a new back-end input +.sp +DMXAddConsoleInput(3X) \- attach a new console input +.PP +Each of these functions is described in its own man page. +.SH "SEE ALSO" +.BR Xdmx "(1), " xdmxconfig "(1), " vdltodmx (1) diff --git a/man/DMXAddInput.man b/man/DMXAddInput.man new file mode 100644 index 0000000..c3e9ced --- /dev/null +++ b/man/DMXAddInput.man @@ -0,0 +1,162 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXAddInput 3X __vendorversion__ +.SH NAME +DMXAddInput, DMXAddBackendInput, DMXAddConsoleInput \- attach a new input +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXAddInput(Display " *dpy , +.BI " unsigned int " mask , +.BI " DMXInputAttributes " *attr , +.BI " int " *id ); +.br +.BI "Bool DMXAddBackendInput(Display " *dpy , +.BI " int " screen , +.BI " int " sendsCore , +.BI " int " *newId ); +.br +.BI "Bool DMXAddConsoleInput(Display " *dpy , +.BI " const char " *name , +.BI " int " sendsCore , +.BI " int " *newId ); +.fi +.SH DESCRIPTION +.B DMXAddInput() +is used to attach a new input (or a previously detached input) to the +.BR Xdmx (1) +server. +.I mask +specifies the fields in +.I attr +that are active, and +.I id +returns the device if of the first device in the series that is added. +.PP +The value of +.I mask +is computed from the following values: +.sp +.nf +DMXInputType +DMXInputPhysicalScreen +DMXInputSendsCore +.fi +.PP +The +.B DMXInputAttributes +structure is: +.sp +.nf +typedef struct { + DMXInputEnum inputType; + int physicalScreen; + int physicalId; + Bool isCore; + Bool sendsCore; + const char *name; + Bool detached; +} DMXInputAttributes; +.fi +.PP +.I inputType +may bave the value +.B DmxConsoleInputType " or " DmxBackendInputType . +.PP +For console devices, +.I name +will specify the display to be used. +.PP +For back-end devices, +.I physicalScreen +will specify the +.BR Xdmx (1) +screen number. +.PP +If +.I sendsCore +is +.BR True , +the new device will be added as a true core device. +.PP +If a device was removed with +.BR DMXRemoveInput (3X) +an attempt will be made to reconnect the previous devices +.RI ( sendsCore +is ignored in this case). +.PP +.B DMXAddBackendInput() +is a helper function that is used to add input from a back-end server. +With this function, +.I screen +refers to the back-end screen, +.I sendsCore +is +.B True +if the new input should send core events (and it ignored if the input +has been detached), and +.I newId +will hold the device id of the first device in the series added. +.PP +.B DMXAddConsoleInput() +is a helper function that is used to add input from a console. With +this function, +.I name +is the name of the console display, +.I sendsCore +is +.B True +if the new input should send core events (and it ignored if the input +has been detached), and +.I newId +will hold the device id of the first device in the series added. +.SH "RETURN VALUE" +.B DMXAddInput() +returns +.B True +on success and +.B False +otherwise. +.PP +.B DMXAddInput() +can generate +.B BadValue +(if +.I inputType +is invalid or +.I physicalScreen +is out of range), +.B BadAccess +(if the input has already been attached or if the backend screen is +currently detached). +.SH NOTES +Local devices cannot be attached or detached. +.PP +Attributes that are not specified will default to 0. This may lead to +unintended results. +.SH "SEE ALSO" +.BR DMXRemoveInput "(3X), " DMX "(3X), " Xdmx (1) diff --git a/man/DMXAddScreen.man b/man/DMXAddScreen.man new file mode 100644 index 0000000..3878577 --- /dev/null +++ b/man/DMXAddScreen.man @@ -0,0 +1,104 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXAddScreen 3X __vendorversion__ +.SH NAME +DMXAddScreen \- attach a new back-end screen +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXAddScreen(Display " *dpy , +.BI " const char " *displayName , +.BI " unsigned int " mask , +.BI " DMXScreenAttributes " *attr , +.BI " int " *screen ); +.fi +.SH DESCRIPTION +.B DMXAddScreen() +attaches a back-end screen to the +.BR Xdmx (1) +server, in place of the previously detached back-end server specified by +.IR screen . +.PP +.I displayName +is the name of the new back-end display, +.I mask +specifies the field in +.I attr +that are active, and +.I screen +returns the new +.BR Xdmx (1) +screen number for the attached screen. +.PP +The information stored in +.I mask " and " attr +is identical to that used by the +.BR DMXChangeScreenAttributes (3X) +and +.BR DMXGetScreenAttribues (3X) +functions. +.SH "RETURN VALUE" +.B DMXAddScreen() +will return +.B True +if the screen was successfully attached, and +.B False +otherwise. +.B False +will be returned if the +.I \-addremovescreens +command line option was not specified on the +.BR Xdmx (1) +command line, the input value of +.I screen +is out of range, +.I screen +is not currently detached, +.I displayName +cannot be opened, has unexpected visuals, or has characteristics that do +not match the previously detached screen. +.PP +.B DMXAddScreen() +can generate +.BR BadLength , +.BR BadAlloc , +and +.B BadValue +errors. +.SH NOTES +Attributes that are not specified will default to 0. This may lead to +unintended results. +.PP +Unlike other functions in the +.BR DMX (3X) +API, this function uses +.I screen +for both input and output. +.SH "SEE ALSO" +.BR DMXRemoveScreen "(3X), " +.BR DMXChangeScreenAttributes "(3X), " DMXGetScreenAttributes "(3X), " +.BR DMX "(3X), " Xdmx (1) diff --git a/man/DMXChangeDesktopAttributes.man b/man/DMXChangeDesktopAttributes.man new file mode 100644 index 0000000..cde4ae9 --- /dev/null +++ b/man/DMXChangeDesktopAttributes.man @@ -0,0 +1,102 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXChangeDesktopAttributes 3X __vendorversion__ +.SH NAME +DMXChangeDesktopAttributes \- change global bounding box +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "int DMXChangeDesktopAttributes(Display " *dpy , +.BI " unsigned int " mask , +.BI " DMXDesktopAttributes " *attr ); +.fi +.SH DESCRIPTION +.B DMXChangeDesktopAttributes() +resizes the bounding box of the whole screen when using the Xinerama +extension. Otherwise, it has no effect on the screen layout. +An attribute mask is placed in +.I mask +and the attributes to change are placed in +.IR attr . +.PP +The values that are used to compute +.I mask +are as follows: +.sp +.nf +DMXDesktopWidth +DMXDesktopHeight +DMXDesktopShiftX +DMXDesktopShiftY +.fi +.PP +The +.B DMXDesktopAttributes +structure is: +.sp +.nf +typedef struct { + unsigned int width; + unsigned int height; + int shiftX; + int shiftY; +} DMXDesktopAttributes; +.fi +.PP +.I width " and " height +specify the new width and height for the bounding box. +.I shiftX " and " shiftY +specify where the Xinerama origin will be placed with respect to the +origin of the new bounding box. This allows the left and upper edges of +the bounding box to be changed without changing the visual position of +the windows on the desktop. If +.I width " or " height +is not specified, the current values will be used. If +.I shiftX " or " shiftY +is not specified, 0 will be used. +.PP +All coordinants are in the global DMX coordinant system. If Xinerama is +not active, an error will be generated. +.SH "RETURN VALUE" +.B DMXChangeDesktopAttributes() +will return 0 on success, +.B DmxBadXinerama +if Xinerama is not active, +.B DmxBadValue +if the size of the bounding box is too large, and +.B DmxBadReply +if there was a protocol error. +.PP +.B DMXChangeDesktopAttributes() +can generate +.B BadLength +(if the request is malformed, which should never happen when using this +library interface), and +.B BadValue +(if any values are out of range). +.SH "SEE ALSO" +.BR DMXGetDesktopAttributes "(3X), " DMX "(3X), " Xdmx (1) diff --git a/man/DMXChangeScreensAttributes.man b/man/DMXChangeScreensAttributes.man new file mode 100644 index 0000000..59ba8eb --- /dev/null +++ b/man/DMXChangeScreensAttributes.man @@ -0,0 +1,123 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXChangeScreensAttributes 3X __vendorversion__ +.SH NAME +DMXChangeScreensAttributes \- change back-end screen attributes +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "int DMXChangeScreensAttributes(Display " *dpy , +.BI " int " screen_count , +.BI " int " *screens , +.BI " int " mask_count , +.BI " unsigned int " *masks , +.BI " DMXScreenAttributes " *attr , +.BI " int *" error_screen ); +.fi +.SH DESCRIPTION +.B DMXChangeScreensAttributes() +changes the geometries and positions of the DMX screen and DMX root +windows on the back-end X servers. +.I screen_count +specifies the number of screens to be changed. For each screen, the +screen number is placed in +.IR screens , +an attribute mask is placed in +.IR masks , +and a +.I DMXScreenAttributes +structure is included in +.IR attr . +.PP +An explanation of the +.I DMXScreenAttributes +structure is given in +.BR DMXGetScreenAttributes (3X). +.PP +The values that are used to compute each value in +.I masks +are as follows +.sp +.nf +DMXScreenWindowWidth +DMXScreenWindowHeight +DMXScreenWindowXoffset +DMXScreenWindowYoffset +DMXRootWindowWidth +DMXRootWindowHeight +DMXRootWindowXoffset +DMXRootWindowYoffset +DMXRootWindowXorigin +DMXRootWindowYorigin +.fi +.PP +In general, +.I mask_count +should be equal to +.IR screen_count . +However, as a convenience, +.I mask_count +may be less than +.IR screen_count , +and the last entry in +.I masks +will then be used for all of the remaining screens. For example, this +allows identical changes to be made to several screens using only one +mask. +.SH "RETURN VALUE" +On success, 0 is returned. Otherwise, +.I error_screen +is set to the value of the first screen in the list that caused the +error and a non-zero value is returned. If +.I screen_count +or +.I mask_count +is less than 1, or if any of the attribute values are not within the +appropriate bounding boxes, +.B DmxBadValue +is returned. If a protocol error occurs, +.B DmxBadReply +is returned. +.PP +.B DMXChangeScreensAttributes() +can generate +.B BadLength +(if the data provided does not match the data implicitly required by the +.I screen_count +and +.I mask_count +values), +.B BadValue +(if the values in +.I screens +are not valid), and +.B BadAlloc +errors. +.SH "SEE ALSO" +.BR DMXGetScreenCount "(3X), " +.BR DMXGetScreenAttributes "(3X), " +.BR DMX "(3X), " Xdmx (1) diff --git a/man/DMXForceWindowCreation.man b/man/DMXForceWindowCreation.man new file mode 100644 index 0000000..6c256a0 --- /dev/null +++ b/man/DMXForceWindowCreation.man @@ -0,0 +1,51 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXForceWindowCreation 3X __vendorversion__ +.SH NAME +DMXForceWindowCreation \- force immediate back-end window creation +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXForceWindowCreation(Display " *dpy , +.BI " Window " window ); +.fi +.SH DESCRIPTION +When using the lazy window creation optimization, windows are not +created on the back-end X servers until they are required. +.B DMXForceWindowCreation() +forces the immediate creation of the window requested. +.SH "RETURN VALUE" +.B DMXForceWindowCreation() +returns +.B True +unless there is a protocol error. +.B DMXForceWindwoCreation() +can generate +.B BadWindow +errors. +.SH "SEE ALSO" +.BR DMX "(3X), " Xdmx (1) diff --git a/man/DMXGetDesktopAttributes.man b/man/DMXGetDesktopAttributes.man new file mode 100644 index 0000000..a45b307 --- /dev/null +++ b/man/DMXGetDesktopAttributes.man @@ -0,0 +1,67 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXDesktopAttributes 3X __vendorversion__ +.SH NAME +DMXGetDesktopAttributes \- determine global bounding box +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXGetDesktopAttributes(Display " *dpy , +.BI " DMXDesktopAttributes " *attr ); +.fi +.SH DESCRIPTION +.B DMXGetDesktopAttributes() +returns information about the desktop in +.BR DMXDesktopAttributes : +.sp +.nf +typedef struct { + unsigned int width; + unsigned int height; + int shiftX; + int shiftY; +} DMXDesktopAttributes; +.fi +.PP +The size of the global bounding box is given in +.IR width ", and " height . +The +.IR shiftX " and " shiftY +values will always be 0. The global bounding box is computed whether or +not Xinerama is active, but it is only useful when using Xinerama. +.PP +The global bounding box used by +.BR Xdmx (1) +may be larger than the Xinerama screen size because of information in +the configuration file. +.SH "RETURN VALUE" +.B DMXGetDesktopAttributes() +returns +.B True +unless there is a protocol error. +.SH "SEE ALSO" +.BR DMXChangeDesktopAttributes "(3X), " DMX "(3X), " Xdmx (1) diff --git a/man/DMXGetInputAttributes.man b/man/DMXGetInputAttributes.man new file mode 100644 index 0000000..a88fad5 --- /dev/null +++ b/man/DMXGetInputAttributes.man @@ -0,0 +1,135 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXGetInputAttributes 3X __vendorversion__ +.SH NAME +DMXGetInputAttributes \- determine input device attributes +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXGetInputAttributes(Display " *dpy , +.BI " int " id , +.BI " DMXInputAttributes " *attr ); +.fi +.SH DESCRIPTION +.B DMXGetInputAttributes() +returns information about the input device specified with +.IR id . +This information cannot be +obtained from the +.BR XListInputDeivices (3X) +call. +.I id +is the same as that used by the +.BR XListInputDevices (3X) +call, and must be in +the range 0 to one less than the value returned by +.BR DMXGetInputCount(3X) , +inclusive. +.PP +The +.B DMXInputAttributes +structure is: +.sp +.nf +typedef struct { + DMXInputEnum inputType; + int physicalScreen; + int physicalId; + Bool isCore; + Bool sendsCore; + const char *name; + Bool detached; +} DMXInputAttributes; +.fi +.PP +The value of +.I inputType +will always be valid, and will have one of the following values, +depending on the type of input: +.B DMXLocalInputType ", " DMXConsoleInputType ", or" DMXBackendInputType . +.PP +For local devices, all other fields returned, except +.I isCore " and " sendsCore , +are invalid. +.PP +For console devices, +.I physicalScreen " and " physicalID +will be invalid, and +.I name +will return the name of the X server on which the console window is +displayed. +.PP +For back-end devices, +.I physicalScreen +will identify the back-end display and can be used as an argument to +.BR DMXGetScreenAttributes (3X) +to obtain more information; +.I physicalId +will be the XInput device id on the back-end X server; and +.I name +will be invalid (since it does not provide any additional information +that cannot be obtained with +.BR DMXGetScreenAttributes (3X)). +.PP +If +.I isCore +is +.BR True , +then this device is active as a true core input device and will send +core events. If +.B sendsCore +is True, then this device is an XInput extension device, but sends core +events +.I instead +of extension events. This behavior is different from that of XFree86 or +Xorg, where XInput extension devices may send +.I both +extension events and core events. +.PP +If +.I detached +is True, then this device has been detached and is no longer producing +input events. The device may be reattached using +.BR DMXAddInput (3X). +.SH "RETURN VALUE" +.B DMXGetInputAttributes() +returns +.B True +unless there is a protocol error. +.PP +.B DMXGetInputAttributes() +can generate +.B BadValue +(if the value of +.I id +is out of range). +.SH "SEE ALSO" +.BR DMXGetInputCount "(3X), " +.BR XListInputDevices "(3X), " +.BR DMXGetScreenAttributes "(3X), " +.BR DMXAddInput "(3X), " +.BR DMX "(3X), " Xdmx (1) diff --git a/man/DMXGetInputCount.man b/man/DMXGetInputCount.man new file mode 100644 index 0000000..8660288 --- /dev/null +++ b/man/DMXGetInputCount.man @@ -0,0 +1,53 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXGetInputCount 3X __vendorversion__ +.SH NAME +DMXGetInputCount \- determine number of input devices +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXGetInputCount(Display " *dpy , +.BI " int " *input_count ); +.fi +.SH DESCRIPTION +.B DMXGetInputCount() +returns the number of input devices connected to the +.BR Xdmx (1) +server in +.IR input_count . +This number is the same as that returned by +.BR XListInputDevices (3X), +but is available even when the XInput extension is not supported. +.SH "RETURN VALUE" +.B DMXGetInputCount() +returns +.B True +unless there is a protocol error. +.SH "SEE ALSO" +.BR DMXGetInputAttributes "(3X), " +.BR XListInputDevices "(3X), " +.BR DMX "(3X), " Xdmx (1) diff --git a/man/DMXGetScreenAttributes.man b/man/DMXGetScreenAttributes.man new file mode 100644 index 0000000..ebb6b0d --- /dev/null +++ b/man/DMXGetScreenAttributes.man @@ -0,0 +1,112 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXGetScreenAttributes 3X __vendorversion__ +.SH NAME +DMXGetScreenAttributes \- determine back-end screen attributes +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXGetScreenAttributes(Display " *dpy , +.BI " int " screen , +.BI " DMXScreenAttributes " *attr ); +.fi +.SH DESCRIPTION +.B DMXGetScreenAttributes() +returns the attributes for the single DMX screen specified in +.IR screen . +.PP +The +.I DMXScreenAttributes +structure is: +.sp +.nf +typedef struct { + char *displayName; + int logicalScreen; + + unsigned int screenWindowWidth; + unsigned int screenWindowHeight; + int screenWindowXoffset; + int screenWindowYoffset; + + unsigned int rootWindowWidth; + unsigned int rootWindowHeight; + int rootWindowXoffset; + int rootWindowYoffset; + + int rootWindowXorigin; + int rootWindowYorigin; +} DMXScreenAttributes; +.fi +.PP +.I displayName +is the name used to open the display, either from the +.BR Xdmx (1) +command-line or from the configuration file. +.PP +.I logicalScreen +is the value of the screen that that +.BR Xdmx (1) +server exports to clients. When Xinerama is in use, this value is +typically 0 for all values of physicalScreen. If Xinerama is in +use, +.I rootWindowXorigin +and +.I rootWindowYorigin +specify where the physical screen is positioned in the global Xinerama +coordinate system. Otherwise, these values are set to 0. +.PP +.IR screenWindowWidth ", " screenWindowHeight ", " +.IR screenWindowXoffset ", and " screenWindowYoffset +are a geometry specification (see +.BR X (7x)) +for the location of the DMX screen on the back-end screen. The +coordinant system of the back-end display is used for these values. +.PP +.IR rootWindowWidth ", " rootWindowHeight ", " +.IR rootWindowXoffset ", and " rootWindowYoffset +are a geometry specification (see +.BR X (7x)) +for the location of the root window on the screen window. The +coordinant system of the screen window is used. In most cases, the root +window will have the same geometry as the DMX screen window, and will +occupy the same area of the back-end display. (This would not be the +case, for example, if automatic projector alignment is used.) +.SH "RETURN VALUE" +.B DMXGetScreenAttributes() +returns +.B True +unless there is a protocol error. +.PP +.B DMXGetScreenAttributes() +can generate +.B BadValue +errors. +.SH "SEE ALSO" +.BR DMXGetScreenCount "(3X), " +.BR DMXChangeScreenAttributes "(3X), " +.BR DMX "(3X), " Xdmx (1) diff --git a/man/DMXGetScreenCount.man b/man/DMXGetScreenCount.man new file mode 100644 index 0000000..421f2e3 --- /dev/null +++ b/man/DMXGetScreenCount.man @@ -0,0 +1,68 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXGetScreenCount 3X __vendorversion__ +.SH NAME +DMXGetScreenCount \- determine number of back-end screens +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXGetScreenCount(Display " *dpy , +.BI " int " *screen_count ); +.fi +.SH DESCRIPTION +.B DMXGetScreenCount() +returns the number of back-end screens that a +.BR Xdmx (1) +server controls. Since a DMX screen usually fills all of the available +area on a back-end server, there is usually a one-to-one correspondence +between DMX screens and backend servers. However, it is also possible +for a DMX screen to cover only part of the available area on a back-end +server, and for more than one DMX screens to occupy different parts of +the visible area on the same back-end server. +.PP +A DMX screen may be managed as a regular X screen in the +.BR Xdmx (1) +server or may be joined with other DMX screens using Xinerama. +.SH "RETURN VALUE" +.B DMXGetScreenCount() +sets +.I screen_count +and returns +.B True +unless there is a protocol error. +.SH NOTES +If Xinerama is active, only one logical screen will be available to +clients of the +.BR Xdmx (1) +server. However, this call will accurately reflect the number of +composite back-end screens that the +.BR Xdmx (1) +server is using. +.SH "SEE ALSO" +.BR DMXGetScreenAttribtues "(3X), " +.BR DMXChangeScreenAttributes "(3X), " +.BR DMX "(3X), " Xdmx (1) diff --git a/man/DMXGetWindowAttributes.man b/man/DMXGetWindowAttributes.man new file mode 100644 index 0000000..034e3ed --- /dev/null +++ b/man/DMXGetWindowAttributes.man @@ -0,0 +1,154 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXGetWindowAttributes 3X __vendorversion__ +.SH NAME +DMXGetWindowAttributes \- determine back-end window attributes +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXGetWindowAttributes(Display " *dpy , +.BI " Window " window , +.BI " int " *screen_count , +.BI " int " available_count , +.BI " DMXWindowAttributes " *attr ); +.fi +.SH DESCRIPTION +When calling +.BR DMXGetWindowAttributes() , +.I window +specifies the window ID of a window on the +.BR Xdmx (1) +server and +.I available_count +specifies the length of +.I attr. +.PP +The number of screens for which information is available will be +returned in +.I screen_count +and information about those screen will be returned in +.IR attr . +If +.I screen_count +is less than +.IR available_count , +then information for all of the screens will be returned. Otherwise, +information for the first +.I available_count +screens will be returned. +.PP +The +.I DMXWindowAttributes +structure is: +.sp +.nf +typedef struct { + int screen; + Window window; + XRectangle pos, vis; +} DMXWindowAttributes; +.fi +.PP +For each back-end X server that displays a portion of +.IR window , +this structure contains the physical +.I screen +containing that portion, the +.I window +ID on the back-end X server of the window containing that portion, the +position and dimensions of the window on the back-end +.RI ( pos , +in screen coordinates), and the visible area of the window on the +back-end +.RI ( vis , +in window-relative coordinates -- all zeros if the window is not visible +on the backend). +.PP +To obtain more information about the physical screen use the +.BR DMXGetScreenAttributes (3X) +call. +.PP +Note that DMX allows multiple back-end windows to overlap in their +view of the DMX logical window. Further, a logical window does not +have to be completely covered by back-end windows -- there may be +gaps. +.PP +As an example, consider a 500x500 window that spans the top two +1024x768 back-end displays (A and B) of a 2048x1536 DMX display +composed of 4 1024x768 back-end displays arranged in a cube: +.sp +.nf + A B + C D +.fi +.sp +In this case, the DMXGetWindowAttributes call would return the +following information for the 500x500 window: +.sp +.nf +display A: 500x500 window at 1024-250,0 (relative to back end) + with 250x500 visible at 0,0 (relative to window origin) + +display B: 500x500 window at -250,0 (relative to back end) + with 250x500 visible at 250,0 (relative to window origin) + +display C: 500x500 window at 1024-250,-768 with 0x0 visible at 0,0 + +display D: 500x500 window at -250,-768 with 0x0 visible at 0,0 +.fi +.SH "RETURN VALUE" +.B DMXGetWindowAttributes() +returns +.B True +unless there is a protocol error. +.PP +.B DMXGetWindowAttributes() +can generate +.B BadWindow +and +.B BadAlloc +errors. +.SH NOTES +Because this call transports a great deal of information over the wire, +please call +.BR DMXGetScreenCount (3X) +first, and make sure +.I attr +is sufficiently large. +.PP +On a particular back-end server, it is possible that the associated +window has not yet been mapped because the +.BR XMapWindow (3X) +call that will eventually map the window had been buffered by Xlib's +normal buffering system. To avoid this race condition, please call +.BR DMXSync (3X) +before communicating directly with the back-end X server. +.SH "SEE ALSO" +.BR DMXGetScreenCount "(3X), " +.BR DMXSync "(3X), " +.BR DMXGetScreenAttributes "(3X), " +.BR DMX "(3X), " Xdmx (1) diff --git a/man/DMXQueryExtension.man b/man/DMXQueryExtension.man new file mode 100644 index 0000000..87f31f8 --- /dev/null +++ b/man/DMXQueryExtension.man @@ -0,0 +1,55 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXQueryExtension 3X __vendorversion__ +.SH NAME +DMXQueryExtension \- determine if DMX is available +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXQueryExtension(Display " *dpy , +.BI " int " *event_basep , +.BI " int " *error_basep ); +.fi +.SH DESCRIPTION +.B DMXQueryExtension() +determines if the DMX protocol extension is available. It will be +available if the server is an +.BR Xdmx (1) +server. +.SH "RETURN VALUE" +If the DMX protocol extension is available, +.I event_basep +and +.I error_basep +will be set to the event and error bases, respectively, and +.B True +will be returned. Otherwise, +.B False +will be returned. +.SH "SEE ALSO" +.BR DMXQueryVersion "(3X), " +.BR DMX "(3X), " Xdmx (1) diff --git a/man/DMXQueryVersion.man b/man/DMXQueryVersion.man new file mode 100644 index 0000000..6da9222 --- /dev/null +++ b/man/DMXQueryVersion.man @@ -0,0 +1,80 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXQueryVersion 3X __vendorversion__ +.SH NAME +DMXQueryVersion \- determine DMX extension version +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXQueryVersion(Display " *dpy , +.BI " int " *major_version , +.BI " int " *minor_version , +.BI " int " *patch_version ); +.fi +.SH DESCRIPTION +.B DMXQueryVersion() +returns version information about the DMX protocol extension. +.PP +Any incompatible changes to the protocol will be indicated by +a change in +.IR major_version . +Small, upward-compatible changes will be indicated by a change in +.IR minor_version . +In general, +.I patch_version +is for informational purposes and will encode the date of the last +protocol revision (e.g., 20040604). +.SH "RETURN VALUE" +If the DMX protocol extension is available, +.IR major_version , +.IR minor_version , +and +.I patch_version +will be set, and +.B True +will be returned. Otherwise, +.B False +will be returned. +.SH NOTES +At the time of this writing, the DMX protocol is at version 2.2. +.PP +Version 2.2 was the final development version, and code supporting this +version was submitted to upstream X server repositories in the summer of +2004. +.PP +Version 1.5 was the last of the 1.x series, which was used for +development before screen and input addition and removal were supported. +Version 2.0 and 2.1 were development versions that partially supported +screen and input addition and removal. +.PP +Since we do not expect development versions to be widely used, we +recommend that any software that uses the DMX protocol extension to +support only versions 2.2 and above (although they should detect earlier +versions and either reduce functionality or fail gracefully). +.SH "SEE ALSO" +.BR DMXQueryExtension "(3X), " +.BR DMX "(3X), " Xdmx (1) diff --git a/man/DMXRemoveInput.man b/man/DMXRemoveInput.man new file mode 100644 index 0000000..e380223 --- /dev/null +++ b/man/DMXRemoveInput.man @@ -0,0 +1,59 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXRemoveInput 3X __vendorversion__ +.SH NAME +DMXRemoveInput \- detach an input +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXRemoveInput(Display " *dpy , +.BI " int " id ); +.fi +.SH DESCRIPTION +.B DMXRemoveInput() +detaches the input device with +.IR id , +and all associated inputs (e.g., if the +.I id +is a backend mouse, and a keyboard is also attached to the backend, then +both devices will be detached). +.SH "RETURN VALUE" +.B DMXRemoveInput() +returns +.B True +unless there is a protocol error. +.PP +.B DMXRemoveInput() +can generate +.B BadValue +(if the +.I id +is not valid) and +.B BadAccess +(if the input has already been detached). +.SH "SEE ALSO" +.BR DMXAddInput "(3X), " DMX "(3X), " Xdmx (1) diff --git a/man/DMXRemoveScreen.man b/man/DMXRemoveScreen.man new file mode 100644 index 0000000..fff3be9 --- /dev/null +++ b/man/DMXRemoveScreen.man @@ -0,0 +1,60 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXRemoveScreen 3X __vendorversion__ +.SH NAME +DMXRemoveScreen \- detach a back-end screen +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXRemoveScreen(Display " *dpy , +.BI " int " screen ); +.fi +.SH DESCRIPTION +.B DMXRemoveScreen() +detaches the back-end +.I screen +from the +.BR Xdmx (1) +server. +.SH "RETURN VALUE" +.B DMXRemoveScreen() +returns +.B True +on success, and +.B False +if there were protocol errors, if the +.I \-addremovescreens +command-line option was not specified on the +.BR Xdmx (1) +command line, if the value of +.I screen +is out of range, or if the back-end screen specified by +.I screen +has already been detached. +.SH "SEE ALSO" +.BR DMXAddScreen "(3X), " +.BR DMX "(3X), " Xdmx (1) diff --git a/man/DMXSync.man b/man/DMXSync.man new file mode 100644 index 0000000..e0ab6e7 --- /dev/null +++ b/man/DMXSync.man @@ -0,0 +1,50 @@ +.\" $XFree86$ +.\" +.\" Copyright 2004 Red Hat Inc., Durham, North Carolina. +.\" 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 on 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: +.\" +.\" he 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 RED HAT AND/OR THEIR SUPPLIERS +.\" 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. +.TH DMXSync 3X __vendorversion__ +.SH NAME +DMXSync \- flush protocol requests between Xdmx and back-end X servers +.SH SYNOPSIS +.B #include <X11/extensions/dmxext.h> +.sp +.nf +.BI "Bool DMXSync(Display " *dpy ); +.fi +.SH DESCRIPTION +.B DMXSync() +flushes all pending protocol requests between the +.BR Xdmx (1) +server and each back-end X server. It is used by clients that talk +directly to back-end X servers to ensure that all pending +.BR Xdmx (1) +requests have reached all back-end servers and have been processed by +those servers. +.SH "RETURN VALUE" +.B DMXSync() +returns +.BR True +unless there is a protocol error. +.SH "SEE ALSO" +.BR DMX "(3X), " Xdmx (1) diff --git a/src/dmx.c b/src/dmx.c new file mode 100644 index 0000000..0f9c099 --- /dev/null +++ b/src/dmx.c @@ -0,0 +1,802 @@ +/* $XFree86$ */ +/* + * Copyright 2002-2004 Red Hat Inc., Durham, North Carolina. + * + * 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 on 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 + * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS + * 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. + */ + +/* + * Authors: + * Rickard E. (Rik) Faith <faith@redhat.com> + * + */ + +/* THIS IS NOT AN X CONSORTIUM STANDARD */ + +/** \file + * This file implements the client-side part of the DMX protocol. It + * can be included in client applications by linking with the libdmx.a + * library. */ + +#define NEED_REPLIES +#include <X11/Xlibint.h> +#include "Xext.h" +#define EXTENSION_PROC_ARGS void * +#include "extutil.h" +#include "dmxproto.h" +#include "dmxext.h" + +static XExtensionInfo dmx_extension_info_data; +static XExtensionInfo *dmx_extension_info = &dmx_extension_info_data; +static const char *dmx_extension_name = DMX_EXTENSION_NAME; + +#define DMXCheckExtension(dpy,i,val) \ + XextCheckExtension(dpy, i, dmx_extension_name, val) +#define DMXSimpleCheckExtension(dpy,i) \ + XextSimpleCheckExtension(dpy, i, dmx_extension_name) + +/***************************************************************************** + * * + * private utility routines * + * * + *****************************************************************************/ + +static int close_display(Display *dpy, XExtCodes *extCodes); +static /* const */ XExtensionHooks dmx_extension_hooks = { + NULL, /* create_gc */ + NULL, /* copy_gc */ + NULL, /* flush_gc */ + NULL, /* free_gc */ + NULL, /* create_font */ + NULL, /* free_font */ + close_display, /* close_display */ + NULL, /* wire_to_event */ + NULL, /* event_to_wire */ + NULL, /* error */ + NULL, /* error_string */ +}; + +static XEXT_GENERATE_FIND_DISPLAY(find_display, dmx_extension_info, + (char *)dmx_extension_name, + &dmx_extension_hooks, + 0, NULL) + +static XEXT_GENERATE_CLOSE_DISPLAY(close_display, dmx_extension_info) + + +/***************************************************************************** + * * + * public DMX Extension routines * + * * + *****************************************************************************/ + +/** If the server has the DMX extension, the event and error bases will + * be placed in \a event_basep and \a error_basep, and True will be + * returned. Otherwise, False will be returned. + * + * Available in DMX Protocol Version 1.0 */ +Bool DMXQueryExtension(Display *dpy, int *event_basep, int *error_basep) +{ + XExtDisplayInfo *info = find_display(dpy); + + if (XextHasExtension(info)) { + *event_basep = info->codes->first_event; + *error_basep = info->codes->first_error; + return True; + } else { + return False; + } +} + +/** If the DMXQueryVersion protocol request returns version information + * from the server, \a majorVersion, \a minorVersion, and \a + * patchVersion are filled in with the appropriate information and True + * is returned. Otherwise, False will be returned. + * + * Available in DMX Protocol Version 1.0 */ +Bool DMXQueryVersion(Display *dpy, + int *majorVersion, int *minorVersion, int *patchVersion) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXQueryVersionReply rep; + xDMXQueryVersionReq *req; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXQueryVersion, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXQueryVersion; + if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + *majorVersion = rep.majorVersion; + *minorVersion = rep.minorVersion; + *patchVersion = rep.patchVersion; + UnlockDisplay(dpy); + SyncHandle(); + return True; +} + +/** Flush all pending dmxSync requests in DMX server. + * + * Available in DMX Protocol Version 1.5 */ +Bool DMXSync(Display *dpy) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXSyncReply rep; + xDMXSyncReq *req; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXSync, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXSync; + if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + + UnlockDisplay(dpy); + SyncHandle(); + return rep.status == Success ? True : False; +} + +/** The creation of the specified \a window will be forced. + * + * Available in DMX Protocol Version 1.2 + * Reply added in DMX Protocol Version 2.0 */ +Bool DMXForceWindowCreation(Display *dpy, Window window) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXForceWindowCreationReq *req; + xDMXForceWindowCreationReply rep; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXForceWindowCreation, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXForceWindowCreation; + req->window = window; + if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + + UnlockDisplay(dpy); + SyncHandle(); + return rep.status == Success ? True : False; +} + +/** If the DMXGetScreenCount protocol request returns the screen count, + * the value will be placed in \a screen_count, and True will be + * returned. Otherwise, False will be returned. + * + * Available in DMX Protocol Version 1.0 */ +Bool DMXGetScreenCount(Display *dpy, int *screen_count) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXGetScreenCountReply rep; + xDMXGetScreenCountReq *req; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXGetScreenCount, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXGetScreenCount; + if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + *screen_count = rep.screenCount; + UnlockDisplay(dpy); + SyncHandle(); + return True; +} + +/** If the DMXGetScreenAttributes protocol request returns information + * for the specified \a physical_screen, information about the screen + * will be placed in \a attr, and True will be returned. Otherwise, + * False will be returned. + * + * Available in DMX Protocol Version 1.0; Modified in Version 2.0 */ +Bool DMXGetScreenAttributes(Display *dpy, int physical_screen, + DMXScreenAttributes *attr) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXGetScreenAttributesReply rep; + xDMXGetScreenAttributesReq *req; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXGetScreenAttributes, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXGetScreenAttributes; + req->physicalScreen = physical_screen; + if (!_XReply(dpy, (xReply *)&rep, + (SIZEOF(xDMXGetScreenAttributesReply) - 32) >> 2, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + attr->displayName = Xmalloc(rep.displayNameLength + 1 + 4 /* for pad */); + _XReadPad(dpy, attr->displayName, rep.displayNameLength); + attr->displayName[rep.displayNameLength] = '\0'; + attr->logicalScreen = rep.logicalScreen; + + attr->screenWindowWidth = rep.screenWindowWidth; + attr->screenWindowHeight = rep.screenWindowHeight; + attr->screenWindowXoffset = rep.screenWindowXoffset; + attr->screenWindowYoffset = rep.screenWindowYoffset; + + attr->rootWindowWidth = rep.rootWindowWidth; + attr->rootWindowHeight = rep.rootWindowHeight; + attr->rootWindowXoffset = rep.rootWindowXoffset; + attr->rootWindowYoffset = rep.rootWindowYoffset; + attr->rootWindowXorigin = rep.rootWindowXorigin; + attr->rootWindowYorigin = rep.rootWindowYorigin; + UnlockDisplay(dpy); + SyncHandle(); + return True; +} + +static CARD32 _DMXGetScreenAttribute(int bit, DMXScreenAttributes *attr) +{ + switch (1 << bit) { + case DMXScreenWindowWidth: return attr->screenWindowWidth; + case DMXScreenWindowHeight: return attr->screenWindowHeight; + case DMXScreenWindowXoffset: return attr->screenWindowXoffset; + case DMXScreenWindowYoffset: return attr->screenWindowYoffset; + case DMXRootWindowWidth: return attr->rootWindowWidth; + case DMXRootWindowHeight: return attr->rootWindowHeight; + case DMXRootWindowXoffset: return attr->rootWindowXoffset; + case DMXRootWindowYoffset: return attr->rootWindowYoffset; + case DMXRootWindowXorigin: return attr->rootWindowXorigin; + case DMXRootWindowYorigin: return attr->rootWindowYorigin; + default: return 0; + } +} + +static int _DMXDumpScreenAttributes(Display *dpy, + unsigned long mask, + DMXScreenAttributes *attr) +{ + int i; + unsigned long value_list[32]; + unsigned long *value = value_list; + int count = 0; + + for (i = 0; i < 32; i++) { + if (mask & (1 << i)) { + *value++ = _DMXGetScreenAttribute(i, attr); + ++count; + } + } + Data32(dpy, value_list, count * sizeof(CARD32)); + return count; +} + +static CARD32 _DMXGetInputAttribute(int bit, DMXInputAttributes *attr) +{ + switch (1 << bit) { + case DMXInputType: + switch (attr->inputType) { + case DMXLocalInputType: return 0; + case DMXConsoleInputType: return 1; + case DMXBackendInputType: return 2; + } + return attr->inputType; + case DMXInputPhysicalScreen: return attr->physicalScreen; + case DMXInputSendsCore: return attr->sendsCore; + default: return 0; + } +} + +static int _DMXDumpInputAttributes(Display *dpy, + unsigned long mask, + DMXInputAttributes *attr) +{ + int i; + unsigned long value_list[32]; + unsigned long *value = value_list; + int count = 0; + + for (i = 0; i < 32; i++) { + if (mask & (1 << i)) { + *value++ = _DMXGetInputAttribute(i, attr); + ++count; + } + } + Data32(dpy, value_list, count * sizeof(CARD32)); + return count; +} + +/** Change geometries and positions of the DMX screen and root windows + * on the back-end X server. */ +int DMXChangeScreensAttributes(Display *dpy, + int screen_count, + int *screens, + int mask_count, + unsigned int *masks, + DMXScreenAttributes *attrs, /* vector */ + int *error_screen) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXChangeScreensAttributesReply rep; + xDMXChangeScreensAttributesReq *req; + int i; + unsigned int mask = 0; + CARD32 *screen_list; + CARD32 *mask_list; + + DMXCheckExtension(dpy, info, False); + + if (screen_count < 1 || mask_count < 1) return DmxBadValue; + + LockDisplay(dpy); + GetReq(DMXChangeScreensAttributes, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXChangeScreensAttributes; + req->screenCount = screen_count; + req->maskCount = mask_count; + req->length += screen_count + mask_count; + + screen_list = (CARD32 *)Xmalloc(sizeof(*screen_list) * screen_count); + for (i = 0; i < screen_count; i++) screen_list[i] = screens[i]; + Data32(dpy, screen_list, screen_count * sizeof(CARD32)); + Xfree(screen_list); + + mask_list = (CARD32 *)Xmalloc(sizeof(*mask_list) * mask_count); + for (i = 0; i < mask_count; i++) mask_list[i] = masks[i]; + Data32(dpy, mask_list, mask_count * sizeof(CARD32)); + Xfree(mask_list); + + for (i = 0; i < screen_count; i++) { + if (i < mask_count) mask = masks[i]; + req->length += _DMXDumpScreenAttributes(dpy, mask, attrs + i); + } + + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return DmxBadReply; + } + if (error_screen) *error_screen = rep.errorScreen; + UnlockDisplay(dpy); + SyncHandle(); + return rep.status; +} + +/** Add a screen. */ +Bool DMXAddScreen(Display *dpy, const char *displayName, unsigned int mask, + DMXScreenAttributes *attr, int *screen) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXAddScreenReply rep; + xDMXAddScreenReq *req; + int length; + int paddedLength; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXAddScreen, req); + length = displayName ? strlen(displayName) : 0; + paddedLength = (length + 3) & ~3; + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXAddScreen; + req->displayNameLength = length; + req->physicalScreen = *screen; + req->valueMask = mask; + req->length += paddedLength/4; + req->length += _DMXDumpScreenAttributes(dpy, mask, attr); + + if (length) { + char *buffer = Xmalloc(paddedLength); + memset(buffer, 0, paddedLength); + strcpy(buffer, displayName); + Data32(dpy, buffer, paddedLength); + Xfree(buffer); + } + + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + if (screen) *screen = rep.physicalScreen; + UnlockDisplay(dpy); + SyncHandle(); + return rep.status == Success ? True : False; +} + +/** Remove a screen. */ +Bool DMXRemoveScreen(Display *dpy, int screen) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXRemoveScreenReply rep; + xDMXRemoveScreenReq *req; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXRemoveScreen, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXRemoveScreen; + req->physicalScreen = screen; + + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + UnlockDisplay(dpy); + SyncHandle(); + return rep.status == Success ? True : False; +} + +/** If the DMXGetWindowAttributes protocol request returns information + * about the specified \a window, the number of screens for which + * information is available will be returned in \a screen_count and + * information about the first \a available_count of those screens will + * be placed in \a inf. Because this call transports a great deal of + * information over the wire, please call #DMXGetScreenCount first, and + * make sure \a inf is that large. + * + * Note that if the specified \a window has not yet been mapped when + * #DMXGetWindowAttributes is called, then a subsequent XMapWindow call + * might be buffered in xlib while requests directly to the back-end X + * servers are processed. This race condition can be solved by calling + * #DMXSync before talking directly to the back-end X servers. + * + * Available in DMX Protocol Version 1.0, but not working correctly + * until DMX Protocol Version 1.4 */ +Bool DMXGetWindowAttributes(Display *dpy, Window window, + int *screen_count, int available_count, + DMXWindowAttributes *inf) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXGetWindowAttributesReply rep; + xDMXGetWindowAttributesReq *req; + unsigned long current; + CARD32 *screens; /* Must match protocol size */ + CARD32 *windows; /* Must match protocol size */ + XRectangle *pos; /* Must match protocol size */ + XRectangle *vis; /* Must match protocol size */ + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXGetWindowAttributes, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXGetWindowAttributes; + req->window = window; + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + + /* FIXME: check for NULL? */ + screens = Xmalloc(rep.screenCount * sizeof(*screens)); + windows = Xmalloc(rep.screenCount * sizeof(*windows)); + pos = Xmalloc(rep.screenCount * sizeof(*pos)); + vis = Xmalloc(rep.screenCount * sizeof(*vis)); + + _XRead(dpy, (char *)screens, rep.screenCount * sizeof(*screens)); + _XRead(dpy, (char *)windows, rep.screenCount * sizeof(*windows)); + _XRead(dpy, (char *)pos, rep.screenCount * sizeof(*pos)); + _XRead(dpy, (char *)vis, rep.screenCount * sizeof(*vis)); + + *screen_count = rep.screenCount; + for (current = 0; + current < rep.screenCount && current < (unsigned)available_count; + current++, inf++) { + inf->screen = screens[current]; + inf->window = windows[current]; + inf->pos = pos[current]; + inf->vis = vis[current]; + } + + Xfree(vis); + Xfree(pos); + Xfree(windows); + Xfree(screens); + + UnlockDisplay(dpy); + SyncHandle(); + return True; +} + +/** If the DMXGetDesktopAttributes protocol request returns information + * correctly, the information will be placed in \a attr, and True will + * be returned. Otherwise, False will be returned. + * + * Available in DMX Protocol Version 2.0 */ +Bool DMXGetDesktopAttributes(Display *dpy, DMXDesktopAttributes *attr) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXGetDesktopAttributesReply rep; + xDMXGetDesktopAttributesReq *req; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXGetDesktopAttributes, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXGetDesktopAttributes; + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + attr->width = rep.width; + attr->height = rep.height; + attr->shiftX = rep.shiftX; + attr->shiftY = rep.shiftY; + + UnlockDisplay(dpy); + SyncHandle(); + return True; +} + +static CARD32 _DMXGetDesktopAttribute(int bit, DMXDesktopAttributes *attr) +{ + switch (1 << bit) { + case DMXDesktopWidth: return attr->width; + case DMXDesktopHeight: return attr->height; + case DMXDesktopShiftX: return attr->shiftX; + case DMXDesktopShiftY: return attr->shiftY; + default: return 0; + } +} + +static int _DMXDumpDesktopAttributes(Display *dpy, + unsigned long mask, + DMXDesktopAttributes *attr) +{ + int i; + unsigned long value_list[32]; + unsigned long *value = value_list; + int count = 0; + + for (i = 0; i < 32; i++) { + if (mask & (1 << i)) { + *value++ = _DMXGetDesktopAttribute(i, attr); + ++count; + } + } + Data32(dpy, value_list, count * sizeof(CARD32)); + return count; +} + +/** Change the global bounding box and origin offset. + * + * Available in DMX Protocol Version 2.0 */ +int DMXChangeDesktopAttributes(Display *dpy, + unsigned int mask, + DMXDesktopAttributes *attr) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXChangeDesktopAttributesReply rep; + xDMXChangeDesktopAttributesReq *req; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXChangeDesktopAttributes, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXChangeDesktopAttributes; + req->valueMask = mask; + req->length +=_DMXDumpDesktopAttributes(dpy, mask, attr); + + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return DmxBadReply; + } + UnlockDisplay(dpy); + SyncHandle(); + return rep.status; +} + +/** If the DMXGetInputCount protocol request returns the input count, + * the value will be placed in \a input_count, and True will be + * returned. Otherwise, False will be returned. + * + * Available in DMX Protocol Version 1.1 */ +Bool DMXGetInputCount(Display *dpy, int *input_count) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXGetInputCountReply rep; + xDMXGetInputCountReq *req; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXGetInputCount, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXGetInputCount; + if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + *input_count = rep.inputCount; + UnlockDisplay(dpy); + SyncHandle(); + return True; +} + +/** If the DMXGetInputAttributes protocol request returns information + * about the input device with the specified \a id, information about + * the input device will be placed in \a inf, and True will be returned. + * Otherwise, False will be returned. + * + * Available in DMX Protocol Version 1.1 */ +Bool DMXGetInputAttributes(Display *dpy, int id, DMXInputAttributes *inf) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXGetInputAttributesReply rep; + xDMXGetInputAttributesReq *req; + char *buffer; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXGetInputAttributes, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXGetInputAttributes; + req->deviceId = id; + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + + switch (rep.inputType) { + case 0: inf->inputType = DMXLocalInputType; break; + case 1: inf->inputType = DMXConsoleInputType; break; + case 2: inf->inputType = DMXBackendInputType; break; + } + + inf->physicalScreen = rep.physicalScreen; + inf->physicalId = rep.physicalId; + inf->isCore = rep.isCore; + inf->sendsCore = rep.sendsCore; + inf->detached = rep.detached; + buffer = Xmalloc(rep.nameLength + 1 + 4 /* for pad */); + _XReadPad(dpy, buffer, rep.nameLength); + buffer[rep.nameLength] = '\0'; + inf->name = buffer; + UnlockDisplay(dpy); + SyncHandle(); + return True; +} + +/** Add input. */ +Bool DMXAddInput(Display *dpy, unsigned int mask, DMXInputAttributes *attr, + int *id) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXAddInputReply rep; + xDMXAddInputReq *req; + int length; + int paddedLength; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXAddInput, req); + length = attr->name ? strlen(attr->name) : 0; + paddedLength = (length + 3) & ~3; + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXAddInput; + req->displayNameLength = length; + req->valueMask = mask; + req->length += paddedLength/4; + req->length += _DMXDumpInputAttributes(dpy, mask, attr); + + if (length) { + char *buffer = Xmalloc(paddedLength); + memset(buffer, 0, paddedLength); + strcpy(buffer, attr->name); + Data32(dpy, buffer, paddedLength); + Xfree(buffer); + } + + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + if (id) *id = rep.physicalId; + UnlockDisplay(dpy); + SyncHandle(); + return rep.status == Success ? True : False; +} + +/** Add backend input (a helper function that calls #DMXAddInput). */ +Bool DMXAddBackendInput(Display *dpy, int screen, int sendsCore, int *newId) +{ + DMXInputAttributes attr; + unsigned int mask = (DMXInputType + | DMXInputPhysicalScreen + | DMXInputSendsCore); + + attr.inputType = DMXBackendInputType; + attr.physicalScreen = screen; + attr.sendsCore = sendsCore; + attr.name = NULL; + return DMXAddInput(dpy, mask, &attr, newId); +} + +/** Add console input (a helper function that calls #DMXAddInput). */ +Bool DMXAddConsoleInput(Display *dpy, const char *name, int sendsCore, + int *newId) +{ + DMXInputAttributes attr; + unsigned int mask = (DMXInputType + | DMXInputSendsCore); + + attr.inputType = DMXConsoleInputType; + attr.physicalScreen = 0; + attr.sendsCore = sendsCore; + attr.name = name; + return DMXAddInput(dpy, mask, &attr, newId); +} + +/** Remove an input. */ +Bool DMXRemoveInput(Display *dpy, int id) +{ + XExtDisplayInfo *info = find_display(dpy); + xDMXRemoveInputReply rep; + xDMXRemoveInputReq *req; + + DMXCheckExtension(dpy, info, False); + + LockDisplay(dpy); + GetReq(DMXRemoveInput, req); + req->reqType = info->codes->major_opcode; + req->dmxReqType = X_DMXRemoveInput; + req->physicalId = id; + + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + UnlockDisplay(dpy); + SyncHandle(); + return rep.status == Success ? True : False; +} |