File: pref.tcl

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# Copyright (c) 1993 by Sanjay Ghemawat
###############################################################################
# User Preferences

# Autload support
proc pref {type} {
    # Dispatch to appropriate method
    return [pref_$type]
}

proc pref_load_common {} {
    option add *fontFamily		times		startupFile
    option add *fixedFontFamily		courier		startupFile
    option add *Font			fixed		startupFile
    option add *fontSize		normal		startupFile

    option add *saveSeconds		30		startupFile
    option add *pollSeconds		120		startupFile

    option add *itemPad			2		startupFile
    option add *Reminder.geometry	+400+0		startupFile
    option add *Listing.geometry	+400+0		startupFile

    option add *Dayview*takeFocus	0		startupFile

    option add *ApptList.Canvas.Relief			raised	startupFile
    option add *ApptList.Canvas.highlightThickness	0	startupFile

    option add *NoteList.Canvas.Relief			raised	startupFile
    option add *NoteList.Canvas.highlightThickness	0	startupFile
}

proc pref_load_color {} {
    set fg	[pref_findcolor black]
    set bg	[pref_findcolor gray80 white]
    set wday	[pref_findcolor black $fg]
    set wend	[pref_findcolor red $fg]
    set int	[pref_findcolor blue $fg]
    set wendint	[pref_findcolor purple $fg]
    set line	$fg
    set ifg	$fg
    set ibg	[pref_findcolor gray75 $bg white]
    set isfg	$fg
    set isbg	[pref_findcolor LightSkyBlue $bg white]
    set over	[pref_findcolor DeepSkyBlue $bg white]
    set csbg	[pref_findcolor khaki $fg]

    if [catch {set disabled [pref_findcolor gray60]}] {
	set disabled ""
    }

    option add *weekdayColor		$wday		startupFile
    option add *weekendColor		$wend		startupFile
    option add *interestColor		$int		startupFile
    option add *weekendInterestColor	$wendint	startupFile
    option add *apptLineColor		$line		startupFile

    option add *itemFg			$ifg		startupFile
    option add *itemBg			$ibg		startupFile
    option add *itemSelectFg		$isfg		startupFile
    option add *itemSelectBg		$isbg		startupFile
    option add *itemSelectWidth		0		startupFile
    option add *itemOverflowColor	$over		startupFile
    option add *itemOverflowStipple	{}		startupFile
    option add *Canvas*selectBackground	$csbg		startupFile

    option add *ApptList.Canvas.BorderWidth	1	startupFile
    option add *NoteList.Canvas.BorderWidth	1	startupFile
}

proc pref_load_mono {} {
    option add *Foreground		black		startupFile
    option add *Background		white		startupFile

    option add *weekdayColor		black		startupFile
    option add *weekendColor		black		startupFile
    option add *interestColor		black		startupFile
    option add *weekendInterestColor	black		startupFile
    option add *apptLineColor		black		startupFile

    option add *itemFg			black		startupFile
    option add *itemBg			white		startupFile
    option add *itemSelectFg		black		startupFile
    option add *itemSelectBg		white		startupFile
    option add *itemSelectWidth		4		startupFile
    option add *itemOverflowColor	black		startupFile
    option add *itemOverflowStipple	gray50		startupFile

    option add *ApptList.Canvas.BorderWidth	2	startupFile
    option add *NoteList.Canvas.BorderWidth	2	startupFile
}

proc pref_init {} {
    global preference
    option clear
    tcllib_load_options

    # Load default options
    pref_load_common
    if [string match *color* [winfo screenvisual .]] {
	pref_load_color
    } else {
	pref_load_mono
    }

    pref_fixfonts

    # Cache various entries
    set preference(itemPad)	[winfo pixels . [option get . itemPad Size]]

    # Use command-line geometry specification (if any)
    global geometry
    if ![catch {set geometry}] {
	# Specified on command line
	option add Ical.Dayview.geometry $geometry
    }

    # XXX People do not seem to like the motif-style popup behavior
    global tk_strictMotif
    if {!$tk_strictMotif} {
	bind Menubutton <Any-ButtonRelease-1> {tkMenuUnpost {}}
    }

    # Handle command line preferences
    global ical
    foreach pref $ical(prefs) {eval $pref}
}

# Fix fonts in option database
proc pref_fixfonts {} {
    global preference
    set ff [option get . fontFamily String]
    set preference(norm_fontfamilies) [concat [list $ff] {
	times
	charter
	{new century schoolbook}
	courier
	helvetica
    }]

    set ff [option get . fixedFontFamily String]
    set preference(fixed_fontfamilies) [concat [list $ff] {
	courier
	fixed
	terminal
	lucidatypewriter
    }]

    switch -exact -- [option get . fontSize String] {
	small {
	    set size1	120
	    set size2	120
	    set size3	140
	    set size4	180
	}
	default {
	    set size1	120
	    set size2	140
	    set size3	180
	    set size4	240
	}
    }

    # Normal fonts
    set ff norm_fontfamilies
    set norm120		[pref_findfont medium r $size1 $ff]
    set norm140		[pref_findfont medium r $size2 $ff]
    set ital140		[pref_findfont medium i $size2 $ff]
    set bold140		[pref_findfont bold   r $size2 $ff]
    set blit140		[pref_findfont bold   i $size2 $ff]
    set norm180		[pref_findfont medium r $size3 $ff]
    set bold180		[pref_findfont bold   r $size3 $ff]
    set norm240		[pref_findfont medium r $size4 $ff]

    # Fixed fonts
    set ff fixed_fontfamilies
    set norm140fixed	[pref_findfont medium r $size2 $ff]
    set bold140fixed	[pref_findfont medium r $size2 $ff]

    # Set option database
    option add *weekdayFont		$norm140 startupFile
    option add *weekendFont		$ital140 startupFile
    option add *interestFont		$bold140 startupFile
    option add *weekendInterestFont	$blit140 startupFile
    option add *itemFont		$norm140 startupFile

    option add *normFont		$norm140 startupFile
    option add *boldFont		$bold140 startupFile
    option add *italFont		$ital140 startupFile

    option add *smallHeadingFont	$bold140 startupFile
    option add *largeHeadingFont	$bold180 startupFile

    option add *normFixedFont		$norm140fixed startupFile
    option add *boldFixedFont		$bold140fixed startupFile

    # General preferences
    option add *Dialog*font		$norm180 startupFile
    option add *Dialog*Message*font	$norm140 startupFile
    option add *Button*font		$bold180 startupFile
    option add *Dayview*Button*font	$bold140 startupFile
    option add *Label*font		$norm180 startupFile
    option add *Menubutton*font		$norm140 startupFile
    option add *Menu*font		$norm140 startupFile
    option add *Listbox*font		$norm140 startupFile
    option add *Text*font		$norm140 startupFile
    option add *Scale*font		$norm140 startupFile

    option add *editkeys*Entry*font	$norm120 startupFile

    # Dialogs with lots of stuff
    option add *Bigdialog*font		$norm140 startupFile
    option add *Bigdialog*Button*font	$bold180 startupFile

    # Date editor preferences
    option add *Dayview*Dateeditor*Label*font	$norm240 startupFile
    option add *Dialog*Dateeditor*Label*font	$norm180 startupFile
    option add *Dialog*Dateeditor*Button*font	$norm180 startupFile
}

# effects - Find font matching given specification
proc pref_findfont {weight style size ff} {
    global preference
    # Try a whole bunch of sizes
    foreach sdelta {0 10 -10 20 -20 30 -30 40 -40} {
	# Search for this size in families
	set s [expr $size + $sdelta]
	foreach family $preference($ff) {
	    set f "-*-$family-$weight-$style-normal-*-*-$s-*"
	    if [font_exists $f] {
		return $f
	    }
	}
    }

    # Return default font
    return fixed
}

# effects - Find first legal color in named list and return it.
proc pref_findcolor {args} {
    foreach c $args {
	if [color_exists $c] {return $c}
    }
    error "could not find any of the following colors: \"[join $args]\""
}

# Methods for obtaining various preferences.

# Return the specified font if it exists, else return fixed.
proc pref_cf {f} {
    if ![font_exists $f] {
	return fixed
    } else {
	return $f
    }
}

proc pref_weekdayFont {} {
    return [pref_cf [option get . weekdayFont Font]]
}

proc pref_weekendFont {} {
    return [pref_cf [option get . weekendFont Font]]
}

proc pref_interestFont {} {
    return [pref_cf [option get . interestFont Font]]
}

proc pref_weekendInterestFont {} {
    return [pref_cf [option get . weekendInterestFont Font]]
}

proc pref_itemFont {} {
    return [pref_cf [option get . itemFont Font]]
}

proc pref_normFont {} {return [pref_cf [option get . normFont Font]]}
proc pref_boldFont {} {return [pref_cf [option get . boldFont Font]]}
proc pref_italFont {} {return [pref_cf [option get . italFont Font]]}

proc pref_smallHeadingFont {} {
    return [pref_cf [option get . smallHeadingFont Font]]
}

proc pref_largeHeadingFont {} {
    return [pref_cf [option get . largeHeadingFont Font]]
}

proc pref_weekdayColor {} {
    return [option get . weekdayColor Foreground]
}

proc pref_weekendColor {} {
    return [option get . weekendColor Foreground]
}

proc pref_interestColor {} {
    return [option get . interestColor Foreground]
}

proc pref_weekendInterestColor {} {
    return [option get . weekendInterestColor Foreground]
}

proc pref_itemFg {} {
    return [option get . itemFg Foreground]
}

proc pref_itemBg {} {
    return [option get . itemBg Background]
}

proc pref_itemSelectFg {} {
    return [option get . itemSelectFg Background]
}

proc pref_itemSelectBg {} {
    return [option get . itemSelectBg Foreground]
}

proc pref_itemSelectWidth {} {
    return [option get . itemSelectWidth Size]
}

proc pref_itemOverflowColor {} {
    return [option get . itemOverflowColor Foreground]
}

proc pref_itemOverflowStipple {} {
    return [option get . itemOverflowStipple Bitmap]
}

proc pref_apptLineColor {} {
    return [option get . apptLineColor Foreground]
}

proc pref_itemPad {} {
    global preference
    return $preference(itemPad)
}

proc pref_pollSeconds {} {
    return [option get . pollSeconds Time]
}

proc pref_saveSeconds {} {
    return [option get . saveSeconds Time]
}