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MathGroup Archive 2012

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Re: Mathematica 9: bug in merging cells

  • To: mathgroup at smc.vnet.net
  • Subject: [mg128984] Re: Mathematica 9: bug in merging cells
  • From: "Rolf.Mertig at gmail.com" <rolf.mertig at gmail.com>
  • Date: Fri, 7 Dec 2012 01:36:53 -0500 (EST)
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Running this and restarting Mathematica will provide a keyboard
shortcut Command Option m (Mac) or Command (or WindowsKey) Optiom m
(Windows)
or Mod1 Alt m   on Linux  as an alternative to the buggy Control Shift
m

I also added a key for deleting all outputs and one for quitting the
kernel since I find this useful.

Rolf
P.s.: This can also be invoked most conveniently as
 Import["http://www.mertig.com/mykeys.m";]

(* ******************************************************* *)
(* ::Package:: *)

(* ::Section:: *)
(*Keyevents for M9*)


(* ::Text:: *)
(*Author: Rolf Mertig, http://www.mertig.com, GluonVision GmbH,
Berlin, Germany*)


(* ::Text:: *)
(*Executing the code below generates a KeyEventTranslations.tr in a
subdirectory in $UserBaseDirectory *)


$OverWriteUserBaseDirectoryKeyEventTranslations = True;
mymenuitems="
(* Delete all Output, Message and Print cells in the selected
notebook
   Basically my answer from http://mathematica.stackexchange.com/a/13992/29

   Windows: Command (Windows-Key) Alt d        deletes all Output and
Message and Print Cells
   MacOSX:  Command Option d

*)
             Item[KeyEvent[\"d\", Modifiers -> {Option, Command}],
             KernelExecute[
               Module[{nb = SelectedNotebook[]},
                Scan[Function[c, If[NotebookFind[nb, c, All,
CellStyle, AutoScroll -> False] =!= $Failed,
                                    NotebookDelete[nb, AutoScroll ->
False]]
                             ],
                     {\"Message\", \"Output\", \"Print\"}
                    ];
                 SelectionMove[nb,After,Notebook];
              ]
            ], MenuEvaluator -> Automatic ],\n

(* Merge cells fix for M9; instead of
   Control Shift M
   Windows:   Command Alt m
   MacOSX:    Command Option m
   can be used instead: *)
             Item[KeyEvent[\"m\", Modifiers -> {Command,Option}],

                     KernelExecute[
      FrontEndExecute[FrontEndToken[\"CellMerge\"]];
      Module[{ce=Cells[CellStyle -> \"Input\"]},
      Scan[Function[x,NotebookWrite[x,ReplaceRepeated[NotebookRead[x],
 
RuleDelayed[HoldPattern[RowBox[Pattern[a,Blank[]],Pattern[b,BlankSequence[]]]],RowBox[List[a,b]]]]]],ce];
 ];
            ] , MenuEvaluator -> Automatic ],


(* Quit the kernel by Command Alt k
   from http://mathematica.stackexchange.com/questions/6224/best-way-to-add-keyevents-and-faster-quit?rq=1
*)
             Item[KeyEvent[\"k\", Modifiers -> {Command,Option}],
                  KernelExecute[ToExpression[\"Quit[]\"]
                               ], MenuEvaluator -> Automatic
                 ],


";
With[{os =
Switch[$OperatingSystem,"MacOSX","Macintosh","Windows","Windows","Unix","X"]},
Quiet@CreateDirectory@FileNameJoin[{$UserBaseDirectory,"SystemFiles","FrontEnd","TextResources",os}];
mykeyeventtrans=FileNameJoin[{$UserBaseDirectory,"SystemFiles","FrontEnd","TextResources",os,"KeyEventTranslations.tr"}];
If[$OverWriteUserBaseDirectoryKeyEventTranslations===True,
If[FileExistsQ[mykeyeventtrans],DeleteFile@mykeyeventtrans];
CopyFile[FileNameJoin[{$InstallationDirectory,"SystemFiles","FrontEnd","TextResources",
os,"KeyEventTranslations.tr"}],mykeyeventtrans]
]];
keytext=Import[mykeyeventtrans,"Text"];
mykeytext=StringReplace[keytext,"EventTranslations[{":>StringJoin["EventTranslations[{\n",mymenuitems,"\n"]];
Export[mykeyeventtrans,mykeytext,"Text"];

Print["Please quit the FrontEnd and restart.
      Then, for Windows ( Command = Windows Key )
                         Command Alt d           deletes all Output
and Message and Print Cells
                         Command Alt m           merges Cells, like
Control Shift m, but fixes a M9 bug
                         Command Alt k           quits the kernel
              for MacOSX :
                         Command Option d        deletes all Output
and Message and Print Cells
                         Command Option m        merges Cells, like
Control Shift m, but fixes a M9 bug
                         Command Option k        quits the kernel

              Fox X11 :
                        Mod1 Alt d               deletes all Output
and Message and Print Cells
                        Mod1 Alt m               merges Cells, like
Control Shift m, but fixes a M9 bug
                        Mod1 Alt k               quits the kernel
"];
Quit[];



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