[Indigo]<Cedar>TEdit>TEditInputOps.mesa!9

-- TEditInputOps.mesa, Edited by Paxton on December 31, 1982 2:16 pm

DIRECTORY

Rope USING [ROPE],

TextEdit USING [CapChange, Ref],

TextLooks USING [Look, Looks],

TextNode USING [Location, Ref, RefTextNode, Offset],

TEditDocument USING [Selection, SelectionGrain, SelectionId],

TEditLocks USING [Access];

TEditInputOps: CEDAR DEFINITIONS =

BEGIN OPEN TEditDocument;

CallWithLocks: PROC [

proc: PROC [root: TextEdit.Ref, tSel: Selection],

access: TEditLocks.Access ← write];

CallWithBothLocked: PROC [

proc: PROC [

sourceRoot, destRoot: TextEdit.Ref,

tSel, srcSel, targetSel: Selection],

targetSel, srcSel: Selection,

sourceAccess: TEditLocks.Access];

InsertChar: PROC [char: CHARACTER] ;

-- Inserts a character in the document at the primary selection and repaints

InsertRope: PROC [rope: Rope.ROPE];

-- like InsertChar, but for entire rope

InsertLineBreak: PROC;

-- insert a CR and then copies blanks from front of previous line

BufferedInsertChar: PROC [char: CHARACTER] ;

-- Exactly as InsertChar, but returns immediately, forking a repaint process. This is

-- intended for use with user type-in. See TEditBufferedInputImpl

BufferedInsertText: PROC [text: Rope.ROPE] ;

-- Exactly as InsertChar, but returns immediately, forking a repaint process. This is

-- intended for use with user type-in. See TEditBufferedInputImpl

WaitForInsertToFinish: PROCEDURE; -- returns after buffered input has completed

BackSpace: PROC [count: INT ← 1];

-- Deletes the character preceeding the insertion point and repaints the document

BackWord: PROC [count: INT ← 1];

-- Deletes the word preceeding the insertion point and repaints the document

DeleteNextChar: PROC [count: INT ← 1];

-- Deletes the character after the insertion point and repaints the document

DeleteNextWord: PROC [count: INT ← 1];

-- Deletes the word after the insertion point and repaints the document

GoToNextChar, GoToPreviousChar, GoToNextWord, GoToPreviousWord,

GoToNextNode, GoToPreviousNode: PROC [count: INT ← 1];

-- commands for moving caret

FindPrevWord: PROC [node: TextNode.RefTextNode, offset: TextNode.Offset]

RETURNS [nChars: CARDINAL];

FindNextWord: PROC [node: TextNode.RefTextNode, start: TextNode.Offset]

RETURNS [nChars: CARDINAL];

MakeControlCharacter, UnMakeControlCharacter: PROC ;

MakeOctalCharacter, UnMakeOctalCharacter: PROC ;

DoPendingDelete: PROC ;

Delete: PROC [saveForPaste: BOOLEAN ← TRUE] ;

-- Deletes the primary selection

Paste: PROC;

-- insert the last deletion at current insertion point

SaveForPaste: PROC;

-- save the selection for future Paste

SaveSpanForPaste: PROC [

startLoc, endLoc: TextNode.Location, grain: TEditDocument.SelectionGrain];

-- like SaveForPaste, but saves the given span rather than the selection

Break: PROC;

-- break node at current insertion point

Join: PROC;

-- copies text of current insertion point node to end of previous node

-- then deletes node and makes point selection at place where joined them

Nest: PROC;

-- move the selection to a deeper nesting level in the tree

UnNest: PROC;

-- move the selection to a shallower nesting level in the tree

Move: PROC [target: SelectionId ← primary] ;

-- Move the contents of the other selection to the target selection

CheckReadonly: PROC [targetSel: Selection] RETURNS [BOOL];

Copy: PROC [target: SelectionId ← primary] ;

-- Copy the contents of the other selection to the target selection

CopyLooks: PROC [target: SelectionId ← primary] ;

-- Copy the looks of the other selection to the target selection

CopyType: PROC [target: SelectionId ← primary] ;

-- Copy the type of the other selection to the target selection

Transpose: PROC [target: SelectionId ← primary] ;

-- Transpose the contents of the primary and secondary selections

TransposeLooks: PROC [target: SelectionId ← primary] ;

-- Transpose the looks of the primary and secondary selections

TransposeType: PROC [target: SelectionId ← primary] ;

-- Transpose the types of the primary and secondary selections

InsertBrackets: PROC [left, right: CHAR];

-- insert left char at start of selection, right char after selection

SelectMatchingBrackets: PROC [left, right: CHAR];

-- extend selection until includes matching left and right brackets

DoSelectMatchingBrackets: PROC [left, right: CHAR] RETURNS [found: BOOL];

-- extend selection until includes matching left and right brackets

NextViewer: PROC [forward: BOOLEAN] ;

-- move selection to next viewer in left-right, top-bottom order

DoNextViewer: PROC [forward: BOOLEAN] RETURNS [found: BOOL];

FindPlaceholders: PROCEDURE [next: BOOLEAN];

DoFindPlaceholders: PROCEDURE [next, gotoend: BOOL,

startBoundaryNode, endBoundaryNode: TextNode.Ref ← NIL,

startBoundaryOffset: TextNode.Offset ← 0,

endBoundaryOffset: TextNode.Offset ← LAST[TextNode.Offset]]

RETURNS [found, wenttoend: BOOL];

Find: PROC;

-- find next instance of selected text

Position: PROC;

-- find location corresponding to selected number

InsertTime: PROC;

-- insert the current date and time

Capitalise: PROC [flavor: TextEdit.CapChange] ;

-- Perform the capitalisation operation on the target selection

ModifyLook: PROC [look: TextLooks.Look, op: ModifyOp] ;

-- change the looks of a selection

ModifyCaretLook: PROC [look: TextLooks.Look, op: ModifyOp] ;

-- change the looks of a selection caret

ModifyOp: TYPE = {add, remove} ;

ChangeLooks: PROC [add, remove: TextLooks.Looks] ;

-- wholesale change of the selection looks

ChangeCaretLooks: PROC [add, remove: TextLooks.Looks] ;

-- wholesale change of the caret looks

SetStyle: PROC ;

-- sets style of caret node to word before caret

SetStyleName: PROC [name: Rope.ROPE, node: TextNode.Ref ← NIL];

-- sets style of caret node to given name

-- if node is nil, sets style for caret node

ReloadStyle: PROC ;

-- reloads style of caret node

ReloadStyleName: PROC [name: Rope.ROPE];

-- reloads named style

SetType: PROC ;

-- sets type of caret node to word before caret

GetType: PROC ;

-- inserts type of caret node

SetTypeName: PROC [name: Rope.ROPE, node: TextNode.Ref ← NIL];

-- sets type of caret node to given name

-- if node is nil, sets type for caret node

SetCommentProp: PROC [flag: BOOLEAN];

RegisterAbbrevFailedProc: PROC [proc: PROC RETURNS [BOOL]];

-- called if ExpandAbbreviation finds an unknown key

-- call with NIL to unregister

-- only one proc registered at a time

ExpandAbbreviation: PROC;

-- expand abbreviation at insertion point

LoadAbbreviations: PROC [dictName: Rope.ROPE];

-- abbreviatiions files are loaded automatically

-- can call this to force reloading after have changed contents

EditFailed: PROC [msg: Rope.ROPE ← NIL];

END.