spintime.itk

这是一个Linux下的集成开发环境

# ------------------------------------------------------------------
# OPTION: -minuteon
# 
# Specifies whether or not to display the minute spinner.
# ------------------------------------------------------------------
configbody iwidgets::Spintime::minuteon {
    _packTime
}

# ------------------------------------------------------------------
# OPTION: -secondon
# 
# Specifies whether or not to display the second spinner.
# ------------------------------------------------------------------
configbody iwidgets::Spintime::secondon {
    _packTime
}


# ------------------------------------------------------------------
# OPTION: -timemargin
# 
# Specifies the margin space between the hour and minute spinners 
# and the minute and second spinners. 
# ------------------------------------------------------------------
configbody iwidgets::Spintime::timemargin {
    _packTime
}

# ------------------------------------------------------------------
# OPTION: -militaryon
#
# Specifies 24-hour clock or 12-hour.
# ------------------------------------------------------------------
configbody iwidgets::Spintime::militaryon {
    set clicks [clock seconds]

    if {$itk_option(-militaryon)} {
	$itk_component(hour) configure -range {0 23}
	$itk_component(hour) delete 0 end
	$itk_component(hour) insert end [clock format $clicks -format "%H"]
    } else {
	$itk_component(hour) configure -range {1 12}
	$itk_component(hour) delete 0 end
	$itk_component(hour) insert end [clock format $clicks -format "%I"]
    }
}

# ------------------------------------------------------------------
#                            METHODS
# ------------------------------------------------------------------

# ------------------------------------------------------------------
# METHOD: get ?format?
#
# Get the value of the time spinner in one of two formats string or 
# as an integer clock value using the -string and -clicks options 
# respectively.  The default is by string.  Reference the clock 
# command for more information on obtaining time and its formats.
# ------------------------------------------------------------------
body iwidgets::Spintime::get {{format "-string"}} {
    set hour [$itk_component(hour) get]
    set minute [$itk_component(minute) get]
    set second [$itk_component(second) get]

    switch -- $format {
	"-string" {
	    return "$hour:$minute:$second"
	}
	"-clicks" {
	    return [clock scan "$hour:$minute:$second"]
	}
	default {
	    error "bad format option \"$format\":\
                   should be -string or -clicks"
	}
    }
}

# ------------------------------------------------------------------
# PUBLIC METHOD: show time
#
# Changes the currently displayed time to be that of the time
# argument.  The time may be specified either as a string or an
# integer clock value.  Reference the clock command for more 
# information on obtaining time and its format.
# ------------------------------------------------------------------
body iwidgets::Spintime::show {{time "now"}} {
    if {$time == "now"} {
	set seconds [clock seconds]
    } else {
	if {[catch {clock format $time}] == 0} {
	    set seconds $time
	} elseif {[catch {set seconds [clock scan $time]}] != 0} {
	    error "bad time: \"$time\", must be a valid time\
               string, clock clicks value or the keyword now"
	}
    }

    $itk_component(hour) delete 0 end

    if {$itk_option(-militaryon)} {
	scan [clock format $seconds -format "%H"] "%d" hour
    } else {
	scan hour [clock format $seconds -format "%I"] "%d" hour
    }

    $itk_component(hour) insert end $hour

    $itk_component(minute) delete 0 end
    scan [clock format $seconds -format "%M"] "%d" minute 
    $itk_component(minute) insert end $minute

    $itk_component(second) delete 0 end
    scan [clock format $seconds -format "%S"] "%d" seconds
    $itk_component(second) insert end $seconds

    return
}

# ------------------------------------------------------------------
# PROTECTED METHOD: _packTime ?when?
#
# Pack components of time spinner.  If "when" is "now", the change 
# is applied immediately.  If it is "later" or it is not specified,
# then the change is applied later, when the application is idle.
# ------------------------------------------------------------------
body iwidgets::Spintime::_packTime {{when later}} {
    if {$when == "later"} {
	if {$_repack == ""} {
	    set _repack [after idle [code $this _packTime now]]
	}
	return
    } elseif {$when != "now"} {
	error "bad option \"$when\": should be now or later"
    }

    for {set i 0} {$i < 5} {incr i} {
	grid rowconfigure $_interior $i -minsize 0
	grid columnconfigure $_interior $i -minsize 0
    }

    if {$itk_option(-minuteon)} {
	set minuteon 1
    } else {
	set minuteon 0
    }
    if {$itk_option(-secondon)} {
	set secondon 1
    } else {
	set secondon 0
    }

    set _repack ""

    switch $itk_option(-orient) {
	vertical {
	    set row -1

	    if {$itk_option(-houron)} {
		grid $itk_component(hour) -row [incr row] -column 0 \
		    -sticky nsew 
	    } else {
		grid forget $itk_component(hour)
	    }

	    if {$itk_option(-minuteon)} {
		if {$itk_option(-houron)} {
		    grid rowconfigure $_interior [incr row] \
			-minsize $itk_option(-timemargin)
		}

		grid $itk_component(minute) -row [incr row] -column 0 \
		    -sticky nsew 
	    } else {
		grid forget $itk_component(minute)
	    }
	    
	    if {$itk_option(-secondon)} {
		if {$minuteon || $secondon} {
		    grid rowconfigure $_interior [incr row] \
			-minsize $itk_option(-timemargin)
		}

		grid $itk_component(second) -row [incr row] -column 0 \
		    -sticky nsew 
	    } else {
		grid forget $itk_component(second)
	    }
	    
	    if {$itk_option(-labelpos) == "w"} {
		iwidgets::Labeledwidget::alignlabels $itk_component(hour) \
			$itk_component(minute) $itk_component(second)
	    }
	}
	
	horizontal {
	    set column -1

	    if {$itk_option(-houron)} {
		grid $itk_component(hour) -row 0 -column [incr column] \
		    -sticky nsew 
	    } else {
		grid forget $itk_component(hour)
	    }
	    
	    if {$itk_option(-minuteon)} {
		if {$itk_option(-houron)} {
		    grid columnconfigure $_interior [incr column] \
			-minsize $itk_option(-timemargin)
		}

		grid $itk_component(minute) -row 0 -column [incr column] \
		    -sticky nsew 
	    } else {
		grid forget $itk_component(minute)
	    }
	    
	    if {$itk_option(-secondon)} {
		if {$minuteon || $secondon} {
		    grid columnconfigure $_interior [incr column] \
			-minsize $itk_option(-timemargin)
		}

		grid $itk_component(second) -row 0 -column [incr column] \
		    -sticky nsew 
	    } else {
		grid forget $itk_component(second)
	    }
	    
	    #
	    # Un-align labels
	    #
	    $itk_component(hour) configure -labelmargin 1
	    $itk_component(minute) configure -labelmargin 1
	    $itk_component(second) configure -labelmargin 1
	}
	
	default {
	    error "bad orient option \"$itk_option(-orient)\", should\
		    be \"vertical\" or \"horizontal\""
	}
    } 
}

# ------------------------------------------------------------------
# METHOD: down60
#
# Down arrow button press event.  Decrement value in the minute
# or second entry.
# ------------------------------------------------------------------
body iwidgets::Spintime::_down60 {comp} {
	set step [$itk_component($comp) cget -step]
	set val [$itk_component($comp) get]

	incr val -$step
	if {$val < 0} {
	   set val [expr 60-$step]
        }
	$itk_component($comp) delete 0 end
	$itk_component($comp) insert 0 $val
}