| 27 | 
  | 
 | 
| 28 | 
  | 
proc chksave {} {       # check if RIF is saved and accost user if not | 
| 29 | 
  | 
        global readonly rifname oldradvar curmess | 
| 30 | 
< | 
        if $readonly { | 
| 31 | 
< | 
                set warnmess "You have modified variables, but the file\ | 
| 32 | 
< | 
\"[file tail $rifname]\" was opened read-only. | 
| 30 | 
> | 
        if [modified] { | 
| 31 | 
> | 
                if $readonly { | 
| 32 | 
> | 
                        set warnmess "You have modified variables, but the\ | 
| 33 | 
> | 
file \"[file tail $rifname]\" was opened read-only. | 
| 34 | 
  | 
Do you wish to save this information somehow?" | 
| 35 | 
< | 
                set yesmess {Go to File Screen} | 
| 36 | 
< | 
        } else { | 
| 37 | 
< | 
                set warnmess "The file \"[file tail $rifname]\" has been\ | 
| 38 | 
< | 
modified since it was last saved. | 
| 35 | 
> | 
set yesmess {Go to File Screen} | 
| 36 | 
> | 
                } else { | 
| 37 | 
> | 
                        set warnmess "The file \"[file tail $rifname]\" has\ | 
| 38 | 
> | 
been modified since it was last saved. | 
| 39 | 
  | 
Do you wish to save it now?" | 
| 40 | 
< | 
                set yesmess {Save File} | 
| 41 | 
< | 
        } | 
| 41 | 
< | 
        if [modified] { | 
| 40 | 
> | 
                        set yesmess {Save File} | 
| 41 | 
> | 
                } | 
| 42 | 
  | 
                switch [tk_dialog .dlg {File Modified} $warnmess \ | 
| 43 | 
  | 
                                warning 0 $yesmess {Discard Changes} \ | 
| 44 | 
  | 
                                {Cancel Operation}] { | 
| 46 | 
  | 
                        2 { return 0 } | 
| 47 | 
  | 
                } | 
| 48 | 
  | 
                if $readonly { | 
| 49 | 
– | 
                        .file invoke | 
| 49 | 
  | 
                        set curmess {Rename file or uncheck read-only to save.} | 
| 50 | 
+ | 
                        .file invoke | 
| 51 | 
  | 
                        return 0 | 
| 52 | 
< | 
                } else { | 
| 53 | 
< | 
                        catch {unset oldradvar} | 
| 54 | 
< | 
                        save_vars $rifname | 
| 52 | 
> | 
                } elseif {[save_vars $rifname]} { | 
| 53 | 
> | 
                        gotfile 1 | 
| 54 | 
> | 
                        return 1 | 
| 55 | 
  | 
                } | 
| 56 | 
< | 
        } else { return 1 } | 
| 56 | 
> | 
                return 0 | 
| 57 | 
> | 
        } | 
| 58 | 
> | 
        return 1 | 
| 59 | 
  | 
} | 
| 60 | 
  | 
 | 
| 61 | 
  | 
# Set global variable default values | 
| 77 | 
  | 
 | 
| 78 | 
  | 
set smallscrn [expr [winfo screenwidth .] < 830] | 
| 79 | 
  | 
 | 
| 80 | 
+ | 
message .mess -relief ridge -font fixed -textvariable curmess -anchor nw | 
| 81 | 
  | 
if $smallscrn { | 
| 82 | 
  | 
        frame .upper -geometry 640x410 | 
| 83 | 
  | 
        frame .upper.right -geometry 120x410 | 
| 84 | 
+ | 
        .mess configure -width 640 | 
| 85 | 
  | 
} else { | 
| 86 | 
  | 
        frame .upper -geometry 830x410 | 
| 87 | 
  | 
        frame .upper.right -geometry 130x410 | 
| 88 | 
+ | 
        .mess configure -width 830 | 
| 89 | 
  | 
} | 
| 90 | 
  | 
pack .upper -side top | 
| 91 | 
  | 
place .upper.right -relx .98 -rely 0 -anchor ne | 
| 87 | 
– | 
message .mess -relief ridge -font fixed -textvariable curmess \ | 
| 88 | 
– | 
                -anchor nw -width 620 | 
| 92 | 
  | 
pack .mess -side top -expand yes -fill both | 
| 93 | 
  | 
helplink .mess trad trad messages | 
| 94 | 
+ | 
. configure -cursor top_left_arrow | 
| 95 | 
  | 
 | 
| 96 | 
  | 
# Make mode buttons | 
| 97 | 
  | 
 | 
| 144 | 
  | 
 | 
| 145 | 
  | 
if $smallscrn { | 
| 146 | 
  | 
        wm minsize . 640 460 | 
| 147 | 
+ | 
        wm maxsize . 640 512 | 
| 148 | 
  | 
} else { | 
| 149 | 
  | 
        wm minsize . 830 460 | 
| 150 | 
+ | 
        wm maxsize . 830 512 | 
| 151 | 
  | 
} | 
| 152 | 
  | 
wm iconbitmap . @$radlib/trad.icon | 
| 153 | 
  | 
 | 
| 161 | 
  | 
                } | 
| 162 | 
  | 
        } else { | 
| 163 | 
  | 
                set mode disabled | 
| 164 | 
+ | 
                .file invoke | 
| 165 | 
  | 
        } | 
| 166 | 
  | 
        foreach b {scene zone views options action results} { | 
| 167 | 
  | 
                .$b configure -state $mode | 
| 171 | 
  | 
# Decide where to go and start | 
| 172 | 
  | 
 | 
| 173 | 
  | 
if {[llength $argv] == 0} { | 
| 167 | 
– | 
        gotfile 0 | 
| 174 | 
  | 
        set curmess "Choose a Radiance project file." | 
| 175 | 
< | 
        .file invoke | 
| 175 | 
> | 
        gotfile 0 | 
| 176 | 
  | 
} elseif {[llength $argv] == 1} { | 
| 177 | 
  | 
        cd [file dirname $argv] | 
| 178 | 
  | 
        set curfile [file tail $argv] | 
| 179 | 
  | 
        if {! [file exists $curfile]} { | 
| 180 | 
< | 
                newnew $argv | 
| 180 | 
> | 
                newnew $curfile | 
| 181 | 
  | 
                .scene invoke | 
| 182 | 
  | 
        } elseif {[newload $curfile]} { | 
| 183 | 
  | 
                if $alldone { |