"*

 * Encoding: iso8859-1

 *

 * $Header$

 * MIMEType: application/x-smalltalk-source

 *

 * ST/X startup display configuration file:

 *   display related configuration:

 *     first do some common setup, then try to figure out

 *     the kind of display and find a

 *     display specific initialization file.

 *

 * DO NOT add site specific things here

 * - use your own d_xxx.rc file instead

 *   where xxx stands for your displays hostname(s)

 *"

"*

 * define extensions for image files (i.e. extension-to-readerClass

 * mappings). Some of the readers are autoloaded (see patches file).

 * Moved this from code to here (from Image-class), for more flexibility

 * actually since this is not display- but host specific (naming conventions)

 * it should be moved into the host.rc or h_xxx.rc file

 *

 * Some readers are optional and therefore, only installed if the

 * corresponding Smalltalk class is nonNil; not accessing it as global,

 * but via a Smalltalk>>at: message - this avoids warning messages

 * during startup, if classes are missing and the globals are undefined.

 *"

|rdr|

"/ XXX - almost obsolete - should go into MIMETypes class.

MIMETypes notNil ifTrue:[

    rdr := Smalltalk at:#XBMReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:'image/x-xbitmap' suffix:'xbm' reader:rdr.

	MIMETypes defineImageType:nil               suffix:'bm'  reader:rdr.

    ].

    rdr := Smalltalk at:#TIFFReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:'image/tiff'      suffix:'tif'  reader:rdr.

	MIMETypes defineImageType:nil               suffix:'tiff' reader:rdr.

    ].

    rdr := Smalltalk at:#GIFReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:'image/gif'   suffix:'gif'  reader:rdr.

    ].

    "/ still to come ...

    "/ '.img'  put:IMGReader.

    "/ '.IMG'  put:IMGReader.

    "/ '.mac'  put:MacPaintReader.

    rdr := Smalltalk at:#SunRasterReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:nil               suffix:'im8'  reader:rdr.

	MIMETypes defineImageType:nil               suffix:'icon'  reader:rdr.

    ].

    "/ still to come ...

    "/ '.g3'   put:G3FileReader.

    rdr := Smalltalk at:#WindowsIconReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:'image/x-MS-bmp'  suffix:'bmp' reader:rdr.

	MIMETypes defineImageType:'image/x-MS-ico'  suffix:'ico' reader:rdr.

    ].

    rdr := Smalltalk at:#JPEGReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:'image/jpeg'  suffix:'jpg' reader:rdr.

	MIMETypes defineImageType:nil           suffix:'jpeg' reader:rdr.

    ].

    rdr := Smalltalk at:#PBMReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:'image/x-portable-pixmap'  suffix:'ppm' reader:rdr.

	MIMETypes defineImageType:'image/x-portable-bitmap'  suffix:'pbm' reader:rdr.

	MIMETypes defineImageType:'image/x-portable-graymap' suffix:'pgm' reader:rdr.

	MIMETypes defineImageType:'image/x-portable-anymap'  suffix:'pnm' reader:rdr.

    ].

    rdr := Smalltalk at:#ST80FormReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:nil           suffix:'form' reader:rdr.

    ].

    rdr := Smalltalk at:#FaceReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:nil           suffix:'face' reader:rdr.

    ].

    rdr := Smalltalk at:#XPMReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:'image/x-xpixmap' suffix:'xpm' reader:rdr.

	MIMETypes defineImageType:nil               suffix:'pm' reader:rdr.

    ].

    rdr := Smalltalk at:#PCXReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:'image/x-pcx' suffix:'pcx' reader:rdr.

    ].

    rdr := Smalltalk at:#TargaReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:'image/x-targa' suffix:'tga' reader:rdr.

    ].

    rdr := Smalltalk at:#XWDReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:'image/x-xwindowdump' suffix:'xwd' reader:rdr.

    ].

    rdr := Smalltalk at:#BlitImageReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:nil suffix:'48x48x1' reader:rdr.

    ].

    rdr := Smalltalk at:#IrisRGBReader ifAbsent:nil.

    rdr notNil ifTrue:[

	MIMETypes defineImageType:'image/x-rgb' suffix:'rgb' reader:rdr.

    ].

    "/ experimanetal and not yet finished / delivered

    "/ rdr := Smalltalk at:#PNGReader ifAbsent:nil.

    "/ rdr notNil ifTrue:[

    "/     MIMETypes defineImageType:'image/x-png' suffix:'png' reader:rdr.

    "/ ].

    "/ rdr := Smalltalk at:#PCDReader ifAbsent:nil.

    "/ rdr notNil ifTrue:[

    "/     MIMETypes defineImageType:'image/x-photo-cd' suffix:'pcd' reader:rdr.

    "/ ].

    "/ rdr := Smalltalk at:#CMURasterReader ifAbsent:nil.

    "/ rdr notNil ifTrue:[

    "/     MIMETypes defineImageType:'image/x-cmu-raster' suffix:'ras' reader:rdr.

    "/ ].

    "/ movie formats - experimanetal and not yet complete / finished / delivered

    "/ rdr := Smalltalk at:#FLIReader ifAbsent:nil.

    "/ rdr notNil ifTrue:[

    "/     MIMETypes defineImageType:'video/x-fli' suffix:'fli' reader:rdr.

    "/ ].

    "/ rdr := Smalltalk at:#AVIReader ifAbsent:nil.

    "/ rdr notNil ifTrue:[

    "/     MIMETypes defineImageType:'video/x-msvideo' suffix:'avi' reader:rdr.

    "/ ].

    "/ rdr := Smalltalk at:#QuickTimeReader ifAbsent:nil.

    "/ rdr notNil ifTrue:[

    "/    MIMETypes defineImageType:'video/quicktime' suffix:'qt' reader:rdr.

    "/    MIMETypes defineImageType:nil               suffix:'mov' reader:rdr.

    "/    MIMETypes defineImageType:nil               suffix:'moov' reader:rdr.

    "/ ].

    "/ rdr := Smalltalk at:#MPEG2Reader ifAbsent:nil.

    "/ rdr notNil ifTrue:[

    "/    MIMETypes defineImageType:'video/x-mpeg2' suffix:'mpg2' reader:rdr.

    "/    MIMETypes defineImageType:nil             suffix:'mpv2' reader:rdr.

    "/    MIMETypes defineImageType:nil             suffix:'mp2v' reader:rdr.

    "/    MIMETypes defineImageType:nil             suffix:'mp2' reader:rdr.

    "/ ].

    "/ rdr := Smalltalk at:#MPEGReader ifAbsent:nil.

    "/ rdr notNil ifTrue:[

    "/    MIMETypes defineImageType:'video/mpeg' suffix:'mpg' reader:rdr.

    "/    MIMETypes defineImageType:nil          suffix:'mpeg' reader:rdr.

    "/    MIMETypes defineImageType:nil          suffix:'mpe' reader:rdr.

    "/    MIMETypes defineImageType:nil          suffix:'mpv' reader:rdr.

    "/    MIMETypes defineImageType:nil          suffix:'vbs' reader:rdr.

    "/    MIMETypes defineImageType:nil          suffix:'mpegv' reader:rdr.

    "/ ].

    "/ rdr := Smalltalk at:#SGIMovieReader ifAbsent:nil.

    "/ rdr notNil ifTrue:[

    "/    MIMETypes defineImageType:'video/x-sgi-movie' suffix:'movie' reader:rdr.

    "/ ].

]

!

"*

 * find out, on what type of display we run

 * (boy, they should have added this to the x-protocol)

 *

 * then, look for a file named 'd_<displayname>.rc' and file it in

 *"

|displayDevice displayVar display displayType s|

displayDevice := Screen current.

(displayDevice platformName = 'WIN32') ifTrue:[

    "running on a local windows display"

    display := OperatingSystem getHostName.

] ifFalse:[

    displayVar := displayDevice displayName.

    displayVar notNil ifTrue:[

	"/ figure out the hostname of the display,

	"/ to read d_<hostname>.rc

	((displayVar startsWith:':')

	 or:[(displayVar startsWith:'unix:')

	 or:[displayVar startsWith:'shm:']]) ifTrue:[

	    "running on a local display"

	    display := OperatingSystem getHostName.

	] ifFalse:[

	    [(displayVar size > 1) and:[displayVar last isDigit]] whileTrue:[

		displayVar := displayVar copyWithoutLast:1.

	    ].

	    ((displayVar size > 1) and:[displayVar last == $.]) ifTrue:[

		displayVar := displayVar copyWithoutLast:1.

		[(displayVar size > 1) and:[displayVar last isDigit]] whileTrue:[

		    displayVar := displayVar copyWithoutLast:1.

		].

	    ].

	    ((displayVar size > 1) and:[displayVar last == $:]) ifTrue:[

		display := displayVar copyWithoutLast:1

	    ]

	].

    ].

].

display isNil ifTrue:[

    'display.rc [warning]: cannot determine display I am running on' errorPrintCR.

] ifFalse:[

    "

     if there is a corresponding file d_<displayName>.rc ...

     thats the one to take.

    "

    s := Smalltalk systemFileStreamFor:('d_' , display , '.rc').

    s notNil ifTrue:[

	displayType := display.

	s close.

    ].

].

displayType isNil ifTrue:[

    "

     if no host specific info,

     take the display vendor information,

     to read d_<vendor>.rc

    "

    "

     if the X-server gives some info,

     take that as a base

    "

    |serverVendor|

    serverVendor := displayDevice serverVendor ? ''.

    (serverVendor startsWith:'The XFree86 Project, Inc')

    ifTrue:[

	displayType := 'xfree'

    ].

    (serverVendor startsWith:'Silicon Graphics')

    ifTrue:[

	displayType := 'iris'

    ].

    (serverVendor startsWith:'International Business Machines')

    ifTrue:[

	displayType := 'aix'

    ].

    (serverVendor startsWith:'DECWINDOWS Digital Equipment')

    ifTrue:[

	displayType := 'dec'

    ].

    (serverVendor startsWith:'Hummingbird Communications')

    ifTrue:[

	displayType := 'exceed'

    ].

    (serverVendor startsWith:'Hewlett-Packard Company')

    ifTrue:[

	displayType := 'hpux'

    ].

    (serverVendor startsWith:'AT&T Laboratories Cambridge')

    ifTrue:[

	displayType := 'vnc'

    ].

].

displayType isNil ifTrue:[

    "

     just an example - stuff can also be hardwired here ...

    "

    display notNil ifTrue:[

	"

	 if, in your organization, all displays are of the

	 same type,

	 use something like:

	"

"/        OperatingSystem getDomainName = '<yourDomain>.de' ifTrue:[

"/            displayType := 'myDisplayType'

"/        ].

	"

	 if, in your organization, the display type can

	 be deduced from the hostname,

	 use something like:

	 (take the exept code below as a guide ...)

	"

"/        (display startsWith:'slsv') ifTrue:[

"/            "all those machines at SEL are suns"

"/            displayType := 'sun'

"/        ].

"/        (display startsWith:'frxt') ifTrue:[

"/            "all those machines at AEG are xterminals"

"/            displayType := 'xterminal'

"/        ].

"/        (display startsWith:'frlx') ifTrue:[

"/            "all those machines at AEG are linux boxes with olwm"

"/            displayType := 'linux_olwm'

"/        ].

"/

"/        OperatingSystem getDomainName = 'exept.de' ifTrue:[

"/            (display startsWith:'clam') ifTrue:[

"/                displayType := 'next'

"/            ].

"/            (display startsWith:'porty') ifTrue:[

"/                displayType := 'portable'

"/            ].

"/            (display startsWith:'blue') ifTrue:[

"/                displayType := 'iris'

"/            ].

"/            (display startsWith:'sun') ifTrue:[

"/                displayType := 'sun'

"/            ].

"/            (display startsWith:'sol') ifTrue:[

"/                displayType := 'sun'

"/            ].

"/            (display startsWith:'hp') ifTrue:[

"/                displayType := 'hpux'

"/            ].

"/        ].

     ].

].

displayType isNil ifTrue:[

    "

     final fallback: use local hosts name, if display is the local one;

     otherwise, use the type of display

     the used name is one of:

	d_hostName.rc

     for local display;

     or:

	d_X11.rc

	d_WIN32.rc

     for remote display.

    "

    display = OperatingSystem getHostName ifTrue:[

	displayType := OperatingSystem getSystemType.

    ] ifFalse:[

	displayType := displayDevice platformName.

    ]

].

"now, if the above mess found something, we have it in displayType;

 fileIn d_<displayType>.rc.

 If we are running on the default display, do it only if

 the displayType changed (e.g. image restart on another display)."

displayType notNil ifTrue:[

    ((Smalltalk at:#'_ImageDisplayName') ~= displayType

      or:[displayDevice ~~ Screen default]) ifTrue:[

	"/

	"/ mouse-button translation

	"/

	"/ (currently, allowed are 1,2,.. , #paste, #wheelFwd and #wheelBwd)

	"/ 1      - button1; used to select (i.e. left button)

	"/ 2      - button2; pops up a menu (i.e. middle button)

	"/ #paste    - paste the clipBoard contents

	"/ #wheelFwd - simulates a mouseWheel forward motion (hp displays)

	"/ #wheelBwd - simulates a mouseWheel backward motion (hp displays)

	"/

	"/ the following line puts paste onto the right button (as in xterm):

	"/

	"/ Screen current buttonTranslation:#(1 2 #paste 4 5 6 7).

	"/

	"/ while that one puts the pop-up menu both on the middle and right buttons:

	"/

	displayDevice buttonTranslation:#(1 2 2 #wheelFwd #wheelBwd 6 7).

	"/

	"/ lefthanders can use:

	"/

	"/ displayDevice buttonTranslation:#(2 2 1 #wheelFwd #wheelBwd 6 7).

	"/ common keyboard setup;

	"/ might be changed later by a display-specific

	"/ rc file (especially, d_windows does this)

	"/ 'display.rc [info]: reading ''keyboard.rc'' ...' infoPrintCR.

	Smalltalk fileIn:'keyboard.rc'.

	displayDevice supportsDeepIcons:false.

	Smalltalk isStandAloneApp ifFalse:[

	    ('display.rc [info]: ') infoPrint.

	    (Smalltalk getSystemFileName:('d_' , displayType , '.rc')) isNil ifTrue:[

		'trying' infoPrint.

	    ] ifFalse:[

		'reading' infoPrint.

	    ].

	    (' display setup ''d_' , displayType , '.rc'' ...') infoPrintCR.

	].

	Smalltalk fileIn:('d_' , displayType , '.rc')

    ].

    "If we are running on the default display, remember current setting for possible

     image restart"

    displayDevice == Screen default ifTrue:[

	Smalltalk at:#'_ImageDisplayName' put:displayType.

    ].

]

!

"*

 * now, this is a nice one:

 *

 * if we are running on the default display and the image was saved

 * on a different type of display, ask the user,

 * if he/she'd like to have the style changed.

 *"

|currentScreen|

currentScreen := Screen current.

currentScreen == Screen default ifTrue:[

    |depthChange colorChange greyChange reconfigure|

    depthChange := false.

    colorChange := false.

    greyChange := false.

    (Smalltalk includesKey:#'_ImageDisplayDepth') ifTrue:[

	depthChange := ((Smalltalk at:#'_ImageDisplayDepth') ~~ currentScreen depth)

    ].

    (Smalltalk includesKey:#'_ImageDisplayHasColor') ifTrue:[

	colorChange := ((Smalltalk at:#'_ImageDisplayHasColors') ~~ currentScreen hasColors)

    ].

    (Smalltalk includesKey:#'_ImageDisplayHasGreyscales') ifTrue:[

	greyChange := ((Smalltalk at:#'_ImageDisplayHasGreyscales') ~~ currentScreen hasGreyscales)

    ].

    (depthChange or:[colorChange or:[greyChange]]) ifTrue:[

	reconfigure := self confirm:'Display capabilities have changed

    Do you want to reconfigure the view style ?'.

	reconfigure ifTrue:[

	    Screen current knownViews do:[:aView |

		aView notNil ifTrue:[

		    aView reinitStyle.

		]

	    ].

	].

    ].

    Smalltalk at:#'_ImageDisplayDepth' put:currentScreen depth.

    Smalltalk at:#'_ImageDisplayHasColors' put:currentScreen hasColors.

    Smalltalk at:#'_ImageDisplayHasGreyscales' put:currentScreen hasGreyscales.

]

!

"/

"/ set a default style, if not been set by rc-file

"/ this is set according the system we are running on.

"/ Notice: normally, the below is not needed, since the style

"/         is always set by the d_xxx.rc file.

"/         Except, when the d_xxx.rc is not present.

"/

|type wm style|

View defaultStyle isNil ifTrue:[

    style := #mswindows95.

    type := OperatingSystem getSystemType.

    type = 'sunos' ifTrue:[

	"/ CG: now obsolete; use windows-style here