[37] | 1 | # console.tcl -- |
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| 2 | # |
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| 3 | # This code constructs the console window for an application. It |
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| 4 | # can be used by non-unix systems that do not have built-in support |
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| 5 | # for shells. |
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| 6 | # |
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| 7 | # RCS: @(#) $Id: console.tcl,v 1.8 2000/04/21 04:06:37 hobbs Exp $ |
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| 8 | # |
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| 9 | # Copyright (c) 1998-1999 Scriptics Corp. |
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| 10 | # Copyright (c) 1995-1997 Sun Microsystems, Inc. |
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| 11 | # |
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| 12 | # See the file "license.terms" for information on usage and redistribution |
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| 13 | # of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 14 | # |
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| 15 | |
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| 16 | # TODO: history - remember partially written command |
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| 17 | |
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| 18 | # tkConsoleInit -- |
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| 19 | # This procedure constructs and configures the console windows. |
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| 20 | # |
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| 21 | # Arguments: |
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| 22 | # None. |
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| 23 | |
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| 24 | proc tkConsoleInit {} { |
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| 25 | global tcl_platform |
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| 26 | |
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| 27 | if {![consoleinterp eval {set tcl_interactive}]} { |
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| 28 | wm withdraw . |
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| 29 | } |
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| 30 | |
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| 31 | if {[string compare $tcl_platform(platform) "macintosh"]} { |
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| 32 | set mod "Ctrl" |
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| 33 | } else { |
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| 34 | set mod "Cmd" |
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| 35 | } |
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| 36 | |
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| 37 | menu .menubar |
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| 38 | .menubar add cascade -label File -menu .menubar.file -underline 0 |
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| 39 | .menubar add cascade -label Edit -menu .menubar.edit -underline 0 |
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| 40 | |
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| 41 | menu .menubar.file -tearoff 0 |
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| 42 | .menubar.file add command -label "Source..." -underline 0 \ |
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| 43 | -command tkConsoleSource |
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| 44 | .menubar.file add command -label "Hide Console" -underline 0 \ |
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| 45 | -command {wm withdraw .} |
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| 46 | if {[string compare $tcl_platform(platform) "macintosh"]} { |
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| 47 | .menubar.file add command -label "Exit" -underline 1 -command exit |
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| 48 | } else { |
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| 49 | .menubar.file add command -label "Quit" -command exit -accel Cmd-Q |
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| 50 | } |
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| 51 | |
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| 52 | menu .menubar.edit -tearoff 0 |
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| 53 | .menubar.edit add command -label "Cut" -underline 2 \ |
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| 54 | -command { event generate .console <<Cut>> } -accel "$mod+X" |
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| 55 | .menubar.edit add command -label "Copy" -underline 0 \ |
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| 56 | -command { event generate .console <<Copy>> } -accel "$mod+C" |
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| 57 | .menubar.edit add command -label "Paste" -underline 1 \ |
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| 58 | -command { event generate .console <<Paste>> } -accel "$mod+V" |
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| 59 | |
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| 60 | if {[string compare $tcl_platform(platform) "windows"]} { |
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| 61 | .menubar.edit add command -label "Clear" -underline 2 \ |
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| 62 | -command { event generate .console <<Clear>> } |
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| 63 | } else { |
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| 64 | .menubar.edit add command -label "Delete" -underline 0 \ |
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| 65 | -command { event generate .console <<Clear>> } -accel "Del" |
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| 66 | |
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| 67 | .menubar add cascade -label Help -menu .menubar.help -underline 0 |
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| 68 | menu .menubar.help -tearoff 0 |
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| 69 | .menubar.help add command -label "About..." -underline 0 \ |
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| 70 | -command tkConsoleAbout |
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| 71 | } |
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| 72 | |
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| 73 | . configure -menu .menubar |
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| 74 | |
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| 75 | text .console -yscrollcommand ".sb set" -setgrid true |
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| 76 | scrollbar .sb -command ".console yview" |
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| 77 | pack .sb -side right -fill both |
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| 78 | pack .console -fill both -expand 1 -side left |
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| 79 | switch -exact $tcl_platform(platform) { |
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| 80 | "macintosh" { |
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| 81 | .console configure -font {Monaco 9 normal} -highlightthickness 0 |
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| 82 | } |
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| 83 | "windows" { |
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| 84 | .console configure -font systemfixed |
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| 85 | } |
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| 86 | } |
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| 87 | |
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| 88 | tkConsoleBind .console |
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| 89 | |
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| 90 | .console tag configure stderr -foreground red |
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| 91 | .console tag configure stdin -foreground blue |
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| 92 | |
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| 93 | focus .console |
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| 94 | |
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| 95 | wm protocol . WM_DELETE_WINDOW { wm withdraw . } |
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| 96 | wm title . "Console" |
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| 97 | flush stdout |
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| 98 | .console mark set output [.console index "end - 1 char"] |
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| 99 | tkTextSetCursor .console end |
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| 100 | .console mark set promptEnd insert |
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| 101 | .console mark gravity promptEnd left |
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| 102 | } |
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| 103 | |
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| 104 | # tkConsoleSource -- |
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| 105 | # |
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| 106 | # Prompts the user for a file to source in the main interpreter. |
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| 107 | # |
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| 108 | # Arguments: |
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| 109 | # None. |
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| 110 | |
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| 111 | proc tkConsoleSource {} { |
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| 112 | set filename [tk_getOpenFile -defaultextension .tcl -parent . \ |
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| 113 | -title "Select a file to source" \ |
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| 114 | -filetypes {{"Tcl Scripts" .tcl} {"All Files" *}}] |
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| 115 | if {[string compare $filename ""]} { |
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| 116 | set cmd [list source $filename] |
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| 117 | if {[catch {consoleinterp eval $cmd} result]} { |
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| 118 | tkConsoleOutput stderr "$result\n" |
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| 119 | } |
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| 120 | } |
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| 121 | } |
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| 122 | |
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| 123 | # tkConsoleInvoke -- |
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| 124 | # Processes the command line input. If the command is complete it |
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| 125 | # is evaled in the main interpreter. Otherwise, the continuation |
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| 126 | # prompt is added and more input may be added. |
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| 127 | # |
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| 128 | # Arguments: |
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| 129 | # None. |
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| 130 | |
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| 131 | proc tkConsoleInvoke {args} { |
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| 132 | set ranges [.console tag ranges input] |
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| 133 | set cmd "" |
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| 134 | if {[llength $ranges]} { |
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| 135 | set pos 0 |
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| 136 | while {[string compare [lindex $ranges $pos] ""]} { |
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| 137 | set start [lindex $ranges $pos] |
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| 138 | set end [lindex $ranges [incr pos]] |
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| 139 | append cmd [.console get $start $end] |
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| 140 | incr pos |
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| 141 | } |
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| 142 | } |
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| 143 | if {[string equal $cmd ""]} { |
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| 144 | tkConsolePrompt |
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| 145 | } elseif {[info complete $cmd]} { |
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| 146 | .console mark set output end |
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| 147 | .console tag delete input |
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| 148 | set result [consoleinterp record $cmd] |
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| 149 | if {[string compare $result ""]} { |
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| 150 | puts $result |
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| 151 | } |
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| 152 | tkConsoleHistory reset |
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| 153 | tkConsolePrompt |
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| 154 | } else { |
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| 155 | tkConsolePrompt partial |
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| 156 | } |
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| 157 | .console yview -pickplace insert |
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| 158 | } |
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| 159 | |
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| 160 | # tkConsoleHistory -- |
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| 161 | # This procedure implements command line history for the |
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| 162 | # console. In general is evals the history command in the |
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| 163 | # main interpreter to obtain the history. The global variable |
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| 164 | # histNum is used to store the current location in the history. |
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| 165 | # |
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| 166 | # Arguments: |
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| 167 | # cmd - Which action to take: prev, next, reset. |
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| 168 | |
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| 169 | set histNum 1 |
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| 170 | proc tkConsoleHistory {cmd} { |
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| 171 | global histNum |
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| 172 | |
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| 173 | switch $cmd { |
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| 174 | prev { |
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| 175 | incr histNum -1 |
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| 176 | if {$histNum == 0} { |
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| 177 | set cmd {history event [expr {[history nextid] -1}]} |
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| 178 | } else { |
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| 179 | set cmd "history event $histNum" |
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| 180 | } |
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| 181 | if {[catch {consoleinterp eval $cmd} cmd]} { |
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| 182 | incr histNum |
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| 183 | return |
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| 184 | } |
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| 185 | .console delete promptEnd end |
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| 186 | .console insert promptEnd $cmd {input stdin} |
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| 187 | } |
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| 188 | next { |
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| 189 | incr histNum |
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| 190 | if {$histNum == 0} { |
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| 191 | set cmd {history event [expr {[history nextid] -1}]} |
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| 192 | } elseif {$histNum > 0} { |
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| 193 | set cmd "" |
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| 194 | set histNum 1 |
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| 195 | } else { |
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| 196 | set cmd "history event $histNum" |
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| 197 | } |
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| 198 | if {[string compare $cmd ""]} { |
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| 199 | catch {consoleinterp eval $cmd} cmd |
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| 200 | } |
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| 201 | .console delete promptEnd end |
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| 202 | .console insert promptEnd $cmd {input stdin} |
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| 203 | } |
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| 204 | reset { |
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| 205 | set histNum 1 |
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| 206 | } |
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| 207 | } |
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| 208 | } |
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| 209 | |
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| 210 | # tkConsolePrompt -- |
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| 211 | # This procedure draws the prompt. If tcl_prompt1 or tcl_prompt2 |
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| 212 | # exists in the main interpreter it will be called to generate the |
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| 213 | # prompt. Otherwise, a hard coded default prompt is printed. |
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| 214 | # |
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| 215 | # Arguments: |
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| 216 | # partial - Flag to specify which prompt to print. |
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| 217 | |
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| 218 | proc tkConsolePrompt {{partial normal}} { |
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| 219 | if {[string equal $partial "normal"]} { |
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| 220 | set temp [.console index "end - 1 char"] |
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| 221 | .console mark set output end |
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| 222 | if {[consoleinterp eval "info exists tcl_prompt1"]} { |
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| 223 | consoleinterp eval "eval \[set tcl_prompt1\]" |
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| 224 | } else { |
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| 225 | puts -nonewline "% " |
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| 226 | } |
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| 227 | } else { |
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| 228 | set temp [.console index output] |
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| 229 | .console mark set output end |
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| 230 | if {[consoleinterp eval "info exists tcl_prompt2"]} { |
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| 231 | consoleinterp eval "eval \[set tcl_prompt2\]" |
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| 232 | } else { |
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| 233 | puts -nonewline "> " |
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| 234 | } |
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| 235 | } |
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| 236 | flush stdout |
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| 237 | .console mark set output $temp |
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| 238 | tkTextSetCursor .console end |
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| 239 | .console mark set promptEnd insert |
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| 240 | .console mark gravity promptEnd left |
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| 241 | } |
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| 242 | |
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| 243 | # tkConsoleBind -- |
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| 244 | # This procedure first ensures that the default bindings for the Text |
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| 245 | # class have been defined. Then certain bindings are overridden for |
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| 246 | # the class. |
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| 247 | # |
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| 248 | # Arguments: |
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| 249 | # None. |
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| 250 | |
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| 251 | proc tkConsoleBind {win} { |
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| 252 | bindtags $win "$win Text . all" |
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| 253 | |
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| 254 | # Ignore all Alt, Meta, and Control keypresses unless explicitly bound. |
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| 255 | # Otherwise, if a widget binding for one of these is defined, the |
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| 256 | # <KeyPress> class binding will also fire and insert the character, |
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| 257 | # which is wrong. Ditto for <Escape>. |
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| 258 | |
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| 259 | bind $win <Alt-KeyPress> {# nothing } |
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| 260 | bind $win <Meta-KeyPress> {# nothing} |
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| 261 | bind $win <Control-KeyPress> {# nothing} |
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| 262 | bind $win <Escape> {# nothing} |
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| 263 | bind $win <KP_Enter> {# nothing} |
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| 264 | |
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| 265 | bind $win <Tab> { |
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| 266 | tkConsoleInsert %W \t |
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| 267 | focus %W |
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| 268 | break |
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| 269 | } |
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| 270 | bind $win <Return> { |
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| 271 | %W mark set insert {end - 1c} |
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| 272 | tkConsoleInsert %W "\n" |
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| 273 | tkConsoleInvoke |
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| 274 | break |
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| 275 | } |
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| 276 | bind $win <Delete> { |
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| 277 | if {[string compare [%W tag nextrange sel 1.0 end] ""]} { |
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| 278 | %W tag remove sel sel.first promptEnd |
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| 279 | } elseif {[%W compare insert < promptEnd]} { |
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| 280 | break |
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| 281 | } |
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| 282 | } |
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| 283 | bind $win <BackSpace> { |
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| 284 | if {[string compare [%W tag nextrange sel 1.0 end] ""]} { |
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| 285 | %W tag remove sel sel.first promptEnd |
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| 286 | } elseif {[%W compare insert <= promptEnd]} { |
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| 287 | break |
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| 288 | } |
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| 289 | } |
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| 290 | foreach left {Control-a Home} { |
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| 291 | bind $win <$left> { |
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| 292 | if {[%W compare insert < promptEnd]} { |
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| 293 | tkTextSetCursor %W {insert linestart} |
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| 294 | } else { |
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| 295 | tkTextSetCursor %W promptEnd |
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| 296 | } |
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| 297 | break |
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| 298 | } |
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| 299 | } |
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| 300 | foreach right {Control-e End} { |
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| 301 | bind $win <$right> { |
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| 302 | tkTextSetCursor %W {insert lineend} |
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| 303 | break |
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| 304 | } |
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| 305 | } |
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| 306 | bind $win <Control-d> { |
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| 307 | if {[%W compare insert < promptEnd]} { |
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| 308 | break |
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| 309 | } |
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| 310 | } |
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| 311 | bind $win <Control-k> { |
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| 312 | if {[%W compare insert < promptEnd]} { |
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| 313 | %W mark set insert promptEnd |
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| 314 | } |
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| 315 | } |
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| 316 | bind $win <Control-t> { |
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| 317 | if {[%W compare insert < promptEnd]} { |
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| 318 | break |
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| 319 | } |
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| 320 | } |
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| 321 | bind $win <Meta-d> { |
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| 322 | if {[%W compare insert < promptEnd]} { |
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| 323 | break |
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| 324 | } |
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| 325 | } |
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| 326 | bind $win <Meta-BackSpace> { |
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| 327 | if {[%W compare insert <= promptEnd]} { |
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| 328 | break |
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| 329 | } |
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| 330 | } |
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| 331 | bind $win <Control-h> { |
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| 332 | if {[%W compare insert <= promptEnd]} { |
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| 333 | break |
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| 334 | } |
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| 335 | } |
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| 336 | foreach prev {Control-p Up} { |
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| 337 | bind $win <$prev> { |
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| 338 | tkConsoleHistory prev |
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| 339 | break |
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| 340 | } |
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| 341 | } |
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| 342 | foreach prev {Control-n Down} { |
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| 343 | bind $win <$prev> { |
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| 344 | tkConsoleHistory next |
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| 345 | break |
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| 346 | } |
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| 347 | } |
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| 348 | bind $win <Insert> { |
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| 349 | catch {tkConsoleInsert %W [selection get -displayof %W]} |
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| 350 | break |
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| 351 | } |
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| 352 | bind $win <KeyPress> { |
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| 353 | tkConsoleInsert %W %A |
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| 354 | break |
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| 355 | } |
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| 356 | foreach left {Control-b Left} { |
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| 357 | bind $win <$left> { |
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| 358 | if {[%W compare insert == promptEnd]} { |
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| 359 | break |
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| 360 | } |
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| 361 | tkTextSetCursor %W insert-1c |
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| 362 | break |
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| 363 | } |
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| 364 | } |
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| 365 | foreach right {Control-f Right} { |
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| 366 | bind $win <$right> { |
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| 367 | tkTextSetCursor %W insert+1c |
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| 368 | break |
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| 369 | } |
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| 370 | } |
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| 371 | bind $win <F9> { |
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| 372 | eval destroy [winfo child .] |
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| 373 | if {[string equal $tcl_platform(platform) "macintosh"]} { |
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| 374 | source -rsrc Console |
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| 375 | } else { |
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| 376 | source [file join $tk_library console.tcl] |
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| 377 | } |
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| 378 | } |
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| 379 | bind $win <<Cut>> { |
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| 380 | # Same as the copy event |
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| 381 | if {![catch {set data [%W get sel.first sel.last]}]} { |
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| 382 | clipboard clear -displayof %W |
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| 383 | clipboard append -displayof %W $data |
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| 384 | } |
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| 385 | break |
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| 386 | } |
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| 387 | bind $win <<Copy>> { |
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| 388 | if {![catch {set data [%W get sel.first sel.last]}]} { |
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| 389 | clipboard clear -displayof %W |
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| 390 | clipboard append -displayof %W $data |
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| 391 | } |
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| 392 | break |
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| 393 | } |
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| 394 | bind $win <<Paste>> { |
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| 395 | catch { |
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| 396 | set clip [selection get -displayof %W -selection CLIPBOARD] |
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| 397 | set list [split $clip \n\r] |
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| 398 | tkConsoleInsert %W [lindex $list 0] |
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| 399 | foreach x [lrange $list 1 end] { |
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| 400 | %W mark set insert {end - 1c} |
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| 401 | tkConsoleInsert %W "\n" |
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| 402 | tkConsoleInvoke |
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| 403 | tkConsoleInsert %W $x |
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| 404 | } |
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| 405 | } |
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| 406 | break |
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| 407 | } |
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| 408 | } |
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| 409 | |
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| 410 | # tkConsoleInsert -- |
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| 411 | # Insert a string into a text at the point of the insertion cursor. |
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| 412 | # If there is a selection in the text, and it covers the point of the |
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| 413 | # insertion cursor, then delete the selection before inserting. Insertion |
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| 414 | # is restricted to the prompt area. |
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| 415 | # |
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| 416 | # Arguments: |
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| 417 | # w - The text window in which to insert the string |
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| 418 | # s - The string to insert (usually just a single character) |
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| 419 | |
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| 420 | proc tkConsoleInsert {w s} { |
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| 421 | if {[string equal $s ""]} { |
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| 422 | return |
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| 423 | } |
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| 424 | catch { |
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| 425 | if {[$w compare sel.first <= insert] |
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| 426 | && [$w compare sel.last >= insert]} { |
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| 427 | $w tag remove sel sel.first promptEnd |
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| 428 | $w delete sel.first sel.last |
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| 429 | } |
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| 430 | } |
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| 431 | if {[$w compare insert < promptEnd]} { |
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| 432 | $w mark set insert end |
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| 433 | } |
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| 434 | $w insert insert $s {input stdin} |
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| 435 | $w see insert |
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| 436 | } |
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| 437 | |
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| 438 | # tkConsoleOutput -- |
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| 439 | # |
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| 440 | # This routine is called directly by ConsolePutsCmd to cause a string |
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| 441 | # to be displayed in the console. |
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| 442 | # |
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| 443 | # Arguments: |
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| 444 | # dest - The output tag to be used: either "stderr" or "stdout". |
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| 445 | # string - The string to be displayed. |
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| 446 | |
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| 447 | proc tkConsoleOutput {dest string} { |
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| 448 | .console insert output $string $dest |
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| 449 | .console see insert |
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| 450 | } |
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| 451 | |
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| 452 | # tkConsoleExit -- |
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| 453 | # |
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| 454 | # This routine is called by ConsoleEventProc when the main window of |
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| 455 | # the application is destroyed. Don't call exit - that probably already |
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| 456 | # happened. Just delete our window. |
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| 457 | # |
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| 458 | # Arguments: |
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| 459 | # None. |
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| 460 | |
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| 461 | proc tkConsoleExit {} { |
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| 462 | destroy . |
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| 463 | } |
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| 464 | |
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| 465 | # tkConsoleAbout -- |
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| 466 | # |
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| 467 | # This routine displays an About box to show Tcl/Tk version info. |
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| 468 | # |
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| 469 | # Arguments: |
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| 470 | # None. |
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| 471 | |
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| 472 | proc tkConsoleAbout {} { |
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| 473 | global tk_patchLevel |
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| 474 | tk_messageBox -type ok -message "Tcl for Windows |
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| 475 | Copyright \251 2000 Scriptics Corporation |
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| 476 | |
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| 477 | Tcl [info patchlevel] |
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| 478 | Tk $tk_patchLevel" |
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| 479 | } |
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| 480 | |
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| 481 | # now initialize the console |
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| 482 | |
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| 483 | tkConsoleInit |
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