DIRECTORY
Atom USING [PropList],
BasicTime USING [GMT],
Commander USING [CommandProc, Register],
CommandTool USING [ArgumentVector, Failed, Parse ],
Convert USING [IntFromRope, RopeFromInt, RopeFromTime ],
FileReader USING [FromStream],
FS USING [defaultStreamOptions, Error, FileInfo, StreamOpen, StreamOptions ],
FSBackdoor USING [RemoteEvent, NextRemoteEvent ],
Imager USING [Color, Context, MaskStroke, Move, SetColor, SetStrokeJoint, SetStrokeWidth, ShowChar, ShowRope ],
ImagerColor USING [ConstantColor, ColorFromStipple],
ImagerFont USING [Extents, FontBoundingBox, Escapement ],
ImagerPath USING [PathProc],
IO USING [int, PutF, PutFR, rope, STREAM ],
MBQueue USING [Create, CreateMenuEntry, Queue ],
Menus USING [AppendMenuEntry, CreateEntry, FindEntry, GetLine, GetNumberOfLines, InsertMenuEntry, Menu, MenuEntry, MenuLine, MenuProc, ReplaceMenuEntry, SetLine ],
MessageWindow USING [Append, Blink],
NodeStyle USING [GetReal, Ref ],
NodeStyleOps USING [OfStyle],
Process USING [Detach, priorityBackground, SetPriority ],   
Rope USING [Cat, Concat, Equal, Fetch, Find, Length, MaxLen, ROPE, Substr ],
TEditFormat USING [CharacterArtwork, CharacterArtworkClass, CharacterArtworkClassRep, CharacterArtworkRep, GetFont, RegisterCharacterArtwork ], 
TextEdit USING [CharSet, FetchChar, GetCharProp, PutCharProp, PutProp, Size ],
TextNode USING [Location, Ref],
TiogaAccess USING [EndOf, FromFile, FromSelection, FromViewer, Get, Reader, TiogaChar ], 
TiogaButtons USING [TextNodeRef],
TiogaMenuOps USING [tiogaMenu],
TiogaOps USING [CallWithLocks, CommandProc, GetSelection, NoSelection, Ref, RegisterCommand, RestoreSelA, Root, SaveSelA, SelectDocument, SelectionGrain, SetSelection, StepForward, ViewerDoc ],
TiogaOpsDefs USING [Location, Ref],
TiogaVoicePrivate USING [ CancelPlayBack, AddVoiceProc, BuildVoiceViewer, DictationMachine, PlayBackMenuProc, PlayRopeWithoutCue, RemoveParentViewer, RopeFromTextList, SetParentViewer, StopRecording, VoiceViewerInfo, voiceViewerInfoList, VoiceWindowRec, VoiceWindowRef  ],
Vector2 USING [VEC],
ViewerBLT USING [ChangeNumberOfLines],
ViewerClasses USING [Viewer],
ViewerEvents USING [EventProc, EventRegistration, RegisterEventProc, UnRegisterEventProc ],
ViewerOps USING [FetchProp, PaintViewer],
VoiceRope USING [Handle, Length, Open, Retain, Stop, VoiceRope, VoiceRopeInterval ]
;

VoiceInTextImpl: CEDAR PROGRAM
IMPORTS Commander, CommandTool, Convert, FileReader, FS, FSBackdoor, Imager, ImagerColor, ImagerFont, IO, MBQueue, Menus, MessageWindow, NodeStyle, Process, Rope, TEditFormat, TextEdit, TiogaAccess, TiogaButtons, TiogaMenuOps, TiogaOps, TiogaVoicePrivate, ViewerBLT, ViewerEvents, ViewerOps, VoiceRope EXPORTS TiogaVoicePrivate SHARES ViewerClasses = {


VoiceMenu: Menus.MenuProc = { ChangeMenu[NARROW[parent], voiceMenu] };

ChangeMenu: PUBLIC PROC [
viewer: ViewerClasses.Viewer, subMenu: Menus.MenuEntry] = {
menu: Menus.Menu _ viewer.menu;
found: BOOL _ FALSE;
numLines: Menus.MenuLine = Menus.GetNumberOfLines[menu];
newLines: Menus.MenuLine _ numLines;
FOR i: Menus.MenuLine IN [1..numLines) DO
IF Rope.Equal[Menus.GetLine[menu,i].name, subMenu.name] THEN { -- yes, so remove it
FOR j: Menus.MenuLine IN (i..numLines) DO
Menus.SetLine[menu, j-1, Menus.GetLine[menu, j]];
ENDLOOP;
newLines _ newLines-1;
found _ TRUE; EXIT 
};
ENDLOOP;
IF ~found THEN {
GoesBefore: PROC [m1, m2: Menus.MenuEntry] RETURNS [BOOL] = {
Priority: PROC [m: Menus.MenuEntry] RETURNS [INTEGER] = {
RETURN [SELECT TRUE FROM
Rope.Equal[m.name, "Find"] => 1,
Rope.Equal[m.name, "FirstLevelOnly"] => 0,
ENDCASE => -1 -- unknown menu goes at bottom -- ] 
};
RETURN [Priority[m1] > Priority[m2]] 
};
newLast: Menus.MenuLine = MIN[numLines, LAST[Menus.MenuLine]];
newLines _ newLines+1;
FOR i: Menus.MenuLine IN [1..numLines) DO
IF GoesBefore[subMenu, Menus.GetLine[menu, i]] THEN {
FOR j: Menus.MenuLine DECREASING IN (i..newLast] DO
Menus.SetLine[menu, j, Menus.GetLine[menu, j-1]]; ENDLOOP;
Menus.SetLine[menu, i, subMenu];
found _ TRUE; EXIT 
};
ENDLOOP;
IF ~found THEN Menus.SetLine[menu, newLast, subMenu];
};
ViewerBLT.ChangeNumberOfLines[viewer, newLines];
};

ApplyToCharsInPrimarySelection: PUBLIC PROC [
ActionProc: PROC [TiogaOpsDefs.Location]] = {
ScanLocked: PROC [root: TiogaOps.Ref] = {
current, end: TiogaOpsDefs.Location;
[start: current, end: end] _ TiogaOps.GetSelection[];
IF current.node = end.node 
THEN FOR i: INT IN [current.where..end.where] DO ActionProc[[current.node, i]] ENDLOOP
ELSE
{  FOR i: INT IN [current.where..TextEdit.Size[TiogaButtons.TextNodeRef[current.node]]) DO ActionProc[[current.node, i]] ENDLOOP;
DO
current.node _ TiogaOps.StepForward[current.node];
IF current.node = end.node THEN
{  FOR i: INT IN [0..end.where) DO ActionProc[[current.node, i]] ENDLOOP;
RETURN
}
ELSE FOR i: INT IN [0..TextEdit.Size[TiogaButtons.TextNodeRef[current.node]]) DO ActionProc[[current.node, i]] ENDLOOP
ENDLOOP
}
};

TiogaOps.CallWithLocks[ScanLocked]
};

ApplyToLockedChars: PUBLIC PROC [ActionProc: PROC [TiogaOpsDefs.Location]] = {
current, end: TiogaOpsDefs.Location;
[start: current, end: end] _ TiogaOps.GetSelection[];
IF current.node = end.node 
THEN FOR i: INT IN [current.where..end.where] DO ActionProc[[current.node, i]] ENDLOOP
ELSE
{  FOR i: INT IN [current.where..TextEdit.Size[TiogaButtons.TextNodeRef[current.node]]) DO ActionProc[[current.node, i]] ENDLOOP;
DO
current.node _ TiogaOps.StepForward[current.node];
IF current.node = end.node THEN
{  FOR i: INT IN [0..end.where) DO ActionProc[[current.node, i]] ENDLOOP;
RETURN
}
ELSE FOR i: INT IN [0..TextEdit.Size[TiogaButtons.TextNodeRef[current.node]]) DO ActionProc[[current.node, i]] ENDLOOP
ENDLOOP
}
};
 
StoreVoiceAtSelection: PUBLIC PROC [
voiceViewerInfo: TiogaVoicePrivate.VoiceViewerInfo] RETURNS [succeeded: BOOLEAN _ FALSE] = {
selectedViewer: ViewerClasses.Viewer;
suitableViewer: BOOLEAN;
alreadyVoiceThere: BOOLEAN;

SuitableViewer: PROC RETURNS [BOOLEAN] = { 
RETURN [selectedViewer.class.flavor = $Text AND ViewerOps.FetchProp[selectedViewer, $voiceViewerInfo] = NIL] };

AddVoiceMarkerAtPrimarySelection: PROC [root: TiogaOps.Ref] = {
startChar, endChar, targetChar: TiogaOpsDefs.Location;
node: TextNode.Ref;
caretBefore: BOOLEAN;
pendingDelete: BOOLEAN;
level: TiogaOps.SelectionGrain;

[viewer: selectedViewer, start: startChar, end: endChar, caretBefore: caretBefore, pendingDelete: pendingDelete, level: level] _ TiogaOps.GetSelection[];
suitableViewer _ SuitableViewer[];

IF pendingDelete AND suitableViewer THEN 
{  ApplyToLockedChars[DeleteVoiceFromChar];
TiogaOps.SetSelection[viewer: selectedViewer, start: startChar, end: endChar,
level: level, caretBefore: caretBefore,
pendingDelete: FALSE, which: primary] -- simply makes not pending delete
};

IF suitableViewer THEN
{  targetChar _ IF caretBefore THEN startChar ELSE endChar;
node _ TiogaButtons.TextNodeRef[targetChar.node]; -- just a type convertor
alreadyVoiceThere _ TextEdit.GetCharProp[node, targetChar.where, $voice] # NIL;
IF alreadyVoiceThere THEN RETURN;
TextEdit.PutCharProp[node, targetChar.where, $voice, voiceViewerInfo.ropeInterval.ropeID];
TextEdit.PutCharProp[node, targetChar.where, $textInVoice, TiogaVoicePrivate.RopeFromTextList[voiceViewerInfo.textMarkList]];
TextEdit.PutCharProp[node, targetChar.where, $Artwork, NARROW["TalksBubble", Rope.ROPE]]; -- the NARROW prevents a REF TEXT being created
TextEdit.PutCharProp[node, targetChar.where, $voiceWindow, NEW[TiogaVoicePrivate.VoiceWindowRec _ [label: Rope.Concat["Sound Viewer #", Convert.RopeFromInt[voiceViewerInfo.viewerNumber]]]]];
voiceViewerInfo.parentViewer _ selectedViewer;
voiceViewerInfo.positionInParent _ targetChar;
RegisterViewer[selectedViewer]
}
};

IF voiceViewerInfo.ropeInterval.ropeID = NIL THEN RETURN;

TiogaOps.CallWithLocks[AddVoiceMarkerAtPrimarySelection ! TiogaOps.NoSelection => {suitableViewer _ FALSE; CONTINUE}];
IF NOT suitableViewer THEN
{  MessageWindow.Append["Make a selection in a tioga viewer first", TRUE];
MessageWindow.Blink[]
}
ELSE 
 {  IF alreadyVoiceThere THEN
{ MessageWindow.Append["Cannot add sound on top of another sound", TRUE];
MessageWindow.Blink[]
}
ELSE succeeded _ TRUE
}
};


DeleteVoiceProc: Menus.MenuProc = {
ApplyToCharsInPrimarySelection[DeleteVoiceFromChar] };


DeleteVoiceFromChar: PUBLIC PROC [position: TiogaOpsDefs.Location] = {
node: TextNode.Ref _ TiogaButtons.TextNodeRef[position.node];
offset: INT _ position.where;
voiceWindowRef: TiogaVoicePrivate.VoiceWindowRef;
voiceWindowRope: Rope.ROPE;

TextEdit.PutCharProp[node, offset, $Artwork, NIL];
TextEdit.PutCharProp[node, offset, $voice, NIL];
TextEdit.PutCharProp[node, offset, $textInVoice, NIL];	

voiceWindowRef _ NARROW[TextEdit.GetCharProp[node, offset, $voiceWindow], TiogaVoicePrivate.VoiceWindowRef];
voiceWindowRope _ IF voiceWindowRef = NIL THEN NIL ELSE voiceWindowRef.label;
IF voiceWindowRope # NIL THEN 
{  TextEdit.PutCharProp[node, offset, $voiceWindow, NIL];
TiogaVoicePrivate.RemoveParentViewer[Convert.IntFromRope[ voiceWindowRope.Substr[voiceWindowRope.Find["#"]+1]]]
}
};


PlaySelection: PUBLIC PROC = {
selectStream: TiogaAccess.Reader _ TiogaAccess.FromSelection[];
charsInSelection: INT _ 0;
soundsInSelection: INT _ 0;
heavyChar: TiogaAccess.TiogaChar;
props: Atom.PropList;

IF NOT TiogaAccess.EndOf[selectStream] THEN DO
heavyChar _ TiogaAccess.Get[selectStream];
IF TiogaAccess.EndOf[selectStream] THEN EXIT;
charsInSelection _ charsInSelection + 1;
FOR props _ heavyChar.propList, props.rest WHILE props # NIL DO
IF props.first.key = $voice THEN
{  TiogaVoicePrivate.PlayRopeWithoutCue[NARROW[props.first.val, Rope.ROPE]];
soundsInSelection _ soundsInSelection + 1
};
ENDLOOP
ENDLOOP;

IF soundsInSelection = 0 THEN MessageWindow.Append["No sounds in selection", TRUE];
DebugRope[IO.PutFR["%d characters in selection\n", IO.int[charsInSelection]]]
};

CancelProc: PUBLIC Menus.MenuProc = { 
VoiceRope.Stop[thrushHandle];
TiogaVoicePrivate.CancelPlayBack[];
TiogaVoicePrivate.StopRecording[]
};

EditVoiceProc: Menus.MenuProc = {
voiceList: LIST OF Rope.ROPE _ NIL;
textInVoiceList: LIST OF Rope.ROPE _ NIL;
voiceViewerInfoList: LIST OF TiogaVoicePrivate.VoiceViewerInfo _ NIL;
voiceViewerNumberList: LIST OF INT _ NIL;
AppendRope: PROC [list: LIST OF Rope.ROPE, entry: Rope.ROPE] RETURNS [LIST OF Rope.ROPE] = {
oneElementList: LIST OF Rope.ROPE _ CONS[entry, NIL];
hangOffPoint: LIST OF Rope.ROPE _ list;
IF list = NIL THEN RETURN [oneElementList];
WHILE hangOffPoint.rest # NIL DO hangOffPoint _ hangOffPoint.rest ENDLOOP;
hangOffPoint.rest _ oneElementList;
RETURN [list]
};
AppendViewerInfo: PROC [list: LIST OF TiogaVoicePrivate.VoiceViewerInfo, entry: TiogaVoicePrivate.VoiceViewerInfo] RETURNS [LIST OF TiogaVoicePrivate.VoiceViewerInfo] = {
oneElementList: LIST OF TiogaVoicePrivate.VoiceViewerInfo _ CONS[entry, NIL];
hangOffPoint: LIST OF TiogaVoicePrivate.VoiceViewerInfo _ list;
IF list = NIL THEN RETURN [oneElementList];
WHILE hangOffPoint.rest # NIL DO hangOffPoint _ hangOffPoint.rest ENDLOOP;
hangOffPoint.rest _ oneElementList;
RETURN [list]
};
AppendInt: PROC [list: LIST OF INT, entry: INT] RETURNS [LIST OF INT] = {
oneElementList: LIST OF INT _ CONS[entry, NIL];
hangOffPoint: LIST OF INT _ list;
IF list = NIL THEN RETURN [oneElementList];
WHILE hangOffPoint.rest # NIL DO hangOffPoint _ hangOffPoint.rest ENDLOOP;
hangOffPoint.rest _ oneElementList;
RETURN [list]
};

SearchForVoice: PROC [targetChar: TiogaOpsDefs.Location] = {
node: TextNode.Ref _ TiogaButtons.TextNodeRef[targetChar.node];
voiceRopeID: Rope.ROPE _ NARROW[TextEdit.GetCharProp[node, targetChar.where, $voice], Rope.ROPE];
IF voiceRopeID # NIL 
THEN
{  
fullRope: VoiceRope.VoiceRope _ NEW [VoiceRope.VoiceRopeInterval  _ [voiceRopeID, 0, 0]];
fullRope.length _ VoiceRope.Length[handle: thrushHandle, vr: fullRope];
IF fullRope.length <= 0 
THEN
 MessageWindow.Append["non-existant or zero length voice utterance(s) found in selection", TRUE]
ELSE  
{  IF TextEdit.GetCharProp[node, targetChar.where, $voiceWindow] = NIL
THEN 
{  voiceList _ AppendRope[voiceList, voiceRopeID];
textInVoiceList _ AppendRope[textInVoiceList, NARROW[TextEdit.GetCharProp[node, targetChar.where, $textInVoice], Rope.ROPE]]
}
ELSE DebugRope["Voice already has an associated viewer\n"]
}
}
};

AddVoiceWindowProps: PROC [targetChar: TiogaOpsDefs.Location] = {
node: TextNode.Ref _ TiogaButtons.TextNodeRef[targetChar.node];
voiceRopeID: Rope.ROPE _ NARROW[TextEdit.GetCharProp[node, targetChar.where, $voice], Rope.ROPE];
IF voiceList = NIL THEN RETURN;
IF voiceRopeID = NIL THEN RETURN; 
IF TextEdit.GetCharProp[node, targetChar.where, $voiceWindow] # NIL THEN RETURN;

IF voiceRopeID.Equal[voiceList.first] THEN 
{  parentViewer: ViewerClasses.Viewer _ TiogaOps.GetSelection[].viewer;
alreadyEdited: BOOLEAN _ parentViewer.newVersion;
TextEdit.PutCharProp[node, targetChar.where, $voiceWindow, NEW[TiogaVoicePrivate.VoiceWindowRec _ [label:  Rope.Concat["Sound Viewer #", Convert.RopeFromInt[voiceViewerNumberList.first]]]]];
TiogaVoicePrivate.SetParentViewer[voiceViewerInfoList.first, parentViewer, targetChar];
IF ~alreadyEdited THEN
{  parentViewer.newVersion _ FALSE;
ViewerOps.PaintViewer[parentViewer, caption, FALSE]
};

voiceList _ voiceList.rest;
voiceViewerInfoList _ voiceViewerInfoList.rest;
voiceViewerNumberList _ voiceViewerNumberList.rest

}; 
};

ApplyToCharsInPrimarySelection[SearchForVoice ! TiogaOps.NoSelection => GOTO Quit];

IF voiceList = NIL THEN 
{ MessageWindow.Append["No undisplayed sounds in selection", TRUE];
RETURN
};

FOR l: LIST OF Rope.ROPE _ voiceList, l.rest WHILE l # NIL DO
newInfo: TiogaVoicePrivate.VoiceViewerInfo;
newNumber: INT;
[viewerInfo: newInfo, viewerNumber: newNumber] _ TiogaVoicePrivate.BuildVoiceViewer[voiceID: l.first, textInVoice: textInVoiceList.first, youngVoice: FALSE];
voiceViewerInfoList _ AppendViewerInfo[voiceViewerInfoList, newInfo];
voiceViewerNumberList _ AppendInt[voiceViewerNumberList, newNumber];
textInVoiceList _ textInVoiceList.rest
ENDLOOP;

ApplyToCharsInPrimarySelection[AddVoiceWindowProps ! TiogaOps.NoSelection => CONTINUE]

EXITS
Quit => NULL
};

DeleteSourceMarker: PUBLIC PROC [
viewer: ViewerClasses.Viewer, positionInParent: TiogaOpsDefs.Location, voiceViewerNumber: INT] = {
DoIt: PROC [root: TiogaOps.Ref] = {
node: TextNode.Ref _ TiogaButtons.TextNodeRef[positionInParent.node];
voiceWindowRope: Rope.ROPE _ Rope.Concat["Sound Viewer #", Convert.RopeFromInt[voiceViewerNumber]];

IF TiogaOps.ViewerDoc[viewer] # TiogaOps.Root[positionInParent.node]
THEN
{  DebugRope["source marker's viewer and node do not match!!\n"];
RETURN
};

IF voiceWindowRope.Equal[NARROW[TextEdit.GetCharProp[node, positionInParent.where, $voiceWindow], TiogaVoicePrivate.VoiceWindowRef].label] 
THEN 
{  -- see comments about 'edited' status at head of procedure AddVoiceWindowProps
alreadyEdited: BOOLEAN _ viewer.newVersion;
TextEdit.PutCharProp[node, positionInParent.where, $voiceWindow, NIL];

IF TextEdit.GetCharProp[node, positionInParent.where, $voice] = NIL THEN
TextEdit.PutCharProp[node, positionInParent.where, $Artwork, NIL];

IF ~alreadyEdited THEN
{  viewer.newVersion _ FALSE;
ViewerOps.PaintViewer[viewer, caption, FALSE]
}
}
ELSE DebugRope["source marker not found at expected position!!\n"]
};

TiogaOps.CallWithLocks[DoIt, TiogaOps.ViewerDoc[viewer]];
};

SaveRopeAtSourceMarker: PUBLIC PROC [
viewer: ViewerClasses.Viewer, positionInParent: TiogaOpsDefs.Location, voiceViewerNumber: INT, voiceRopeID: Rope.ROPE, textInVoice: Rope.ROPE] RETURNS [succeeded: BOOLEAN _ FALSE] = {
DoIt: PROC [root: TiogaOps.Ref] = {
node: TextNode.Ref _ TiogaButtons.TextNodeRef[positionInParent.node];
voiceWindowRope: Rope.ROPE _ Rope.Concat["Sound Viewer #", Convert.RopeFromInt[voiceViewerNumber]];

IF TiogaOps.ViewerDoc[viewer] # TiogaOps.Root[positionInParent.node]
THEN
{  DebugRope["source marker's viewer and node do not match!!\n"];
RETURN
};

IF voiceWindowRope.Equal[NARROW[TextEdit.GetCharProp[node, positionInParent.where, $voiceWindow], TiogaVoicePrivate.VoiceWindowRef].label] 
THEN 
{ TextEdit.PutCharProp[node, positionInParent.where, $voice, voiceRopeID];
TextEdit.PutCharProp[node, positionInParent.where, $textInVoice, textInVoice];
succeeded _ TRUE
}
ELSE DebugRope["source marker not found at expected position!!\n"]
};

TiogaOps.CallWithLocks[DoIt, TiogaOps.ViewerDoc[viewer]];
};

ScanForVoice: TiogaOps.CommandProc = {
IF viewer.newFile OR viewer.newVersion THEN RecordVoiceInstancesAtRoot[viewer] ELSE MessageWindow.Append["File is not altered", TRUE]
};

DeleteLinks: Menus.MenuProc = {
viewer: ViewerClasses.Viewer _ NARROW[parent];

RemoveAnySourceMarker: PROC [position: TiogaOpsDefs.Location] = {
node: TextNode.Ref _ TiogaButtons.TextNodeRef[position.node];
IF TextEdit.GetCharProp[node, position.where, $voiceWindow] # NIL THEN
{ -- see comments about 'edited' status at head of procedure AddVoiceWindowProps
alreadyEdited: BOOLEAN _ viewer.newVersion;
TextEdit.PutCharProp[node, position.where, $voiceWindow, NIL];
IF ~alreadyEdited THEN
{  viewer.newVersion _ FALSE;
ViewerOps.PaintViewer[viewer, caption, FALSE]
}
}
};

TiogaOps.SaveSelA[];
TiogaOps.SelectDocument[viewer: viewer, level: branch];
ApplyToCharsInPrimarySelection[RemoveAnySourceMarker];
TiogaOps.RestoreSelA[];

RemoveParentPointersTo[viewer];
}; 

RecordVoiceInstancesAtRoot: PROC [
viewer: ViewerClasses.Viewer] = {
wholeFile: TiogaAccess.Reader _ TiogaAccess.FromViewer[viewer];
heavyChar: TiogaAccess.TiogaChar;
props: Atom.PropList;
soundsInDocument: INT _ 0;
rootNode: TextNode.Ref;
voiceList: Rope.ROPE _ NIL;

DebugRope["Voice messages in document:"];

IF NOT TiogaAccess.EndOf[wholeFile] THEN DO
heavyChar _ TiogaAccess.Get[wholeFile];
IF TiogaAccess.EndOf[wholeFile] THEN EXIT;
FOR props _ heavyChar.propList, props.rest WHILE props # NIL DO
IF props.first.key = $voice THEN
{  DebugRope["\n"];
DebugRope[NARROW[props.first.val, Rope.ROPE]];
soundsInDocument _ soundsInDocument + 1;
voiceList _ voiceList.Concat["&"]; -- just used here as a separator: a character not found in the IDs
voiceList _ voiceList.Concat[NARROW[props.first.val, Rope.ROPE]]
}
ENDLOOP
ENDLOOP;

rootNode _ TiogaButtons.TextNodeRef[TiogaOps.ViewerDoc[viewer]]; -- TextNodeRef is just a type convertor - replace with a more cautious implementation?? [several references throughout TiogaVoice] 
TextEdit.PutProp[rootNode, $voicelist, voiceList];

IF soundsInDocument = 0 THEN DebugRope["  none\n"] ELSE DebugRope["\n"]
};

InstallMenuButton: PROC [name: Rope.ROPE, proc: Menus.MenuProc] = {
old: Menus.MenuEntry =
Menus.FindEntry[menu: TiogaMenuOps.tiogaMenu, entryName: name];
new: Menus.MenuEntry =
Menus.CreateEntry[name: name, proc: proc];
IF old = NIL
THEN Menus.AppendMenuEntry[TiogaMenuOps.tiogaMenu, new]
ELSE Menus.ReplaceMenuEntry[TiogaMenuOps.tiogaMenu, old, new];
};

thrushHandle: PUBLIC VoiceRope.Handle _ VoiceRope.Open[];
voiceMenu: Menus.MenuEntry;
voiceButtonQueue: PUBLIC MBQueue.Queue _ MBQueue.Create[];

debugStream: IO.STREAM _ NIL;
DebugRope: PUBLIC PROC [rope: Rope.ROPE] = {
IF debugStream # NIL THEN debugStream.PutF[rope]
};
DebugStreamInit: Commander.CommandProc = { debugStream _ cmd.out };

LocalFile: ERROR;

backgroundCommentary: IO.STREAM _ NIL;

lastRemoteEvent: REF READONLY FSBackdoor.RemoteEvent _ NIL;

MonitorCopiesToGlobal: PROC = { -- invoked as a separate process
Process.SetPriority[Process.priorityBackground];
DO
lastRemoteEvent _ FSBackdoor.NextRemoteEvent[lastRemoteEvent];
IF lastRemoteEvent.op = endStoring THEN RegisterInterest[lastRemoteEvent.fName, backgroundCommentary]
ENDLOOP
};

RegisterInterest: PROC [file: Rope.ROPE, commentary: IO.STREAM _ NIL] = {
fullFName, attachedTo, globalName: Rope.ROPE;
keep: CARDINAL;
voiceList: Rope.ROPE _ NIL;
createDate: BasicTime.GMT;

Commentate: PROC [remark: Rope.ROPE] = { IF commentary # NIL THEN commentary.PutF[remark] };

[fullFName: fullFName, attachedTo: attachedTo, keep: keep, created: createDate] _  FS.FileInfo[file]; -- read FS.Mesa to understand the next few lines
Commentate[IO.PutFR["File %g:\n", IO.rope[fullFName]]];
IF attachedTo = NIL
THEN 
{  IF keep # 0 THEN ERROR LocalFile[] -- neither a global file or a local one with global attachment
ELSE { globalName _ fullFName; Commentate["File is global:\n"] }
}
ELSE { globalName _ attachedTo; Commentate[IO.PutFR["File is attached to global file %g:\n", IO.rope[globalName]]] };

{  fileStream: IO.STREAM; 
streamOptions: FS.StreamOptions _ FS.defaultStreamOptions;
tiogaFile: BOOLEAN;

streamOptions[tiogaRead] _ FALSE;
fileStream _ FS.StreamOpen[fileName: fullFName, streamOptions: streamOptions];
[tiogaFile: tiogaFile] _ FileReader.FromStream[fileStream, LAST[INT]];
IF ~tiogaFile THEN 
{  Commentate["   Not a tioga file\n"];
RETURN
}
};

{  fileStream: TiogaAccess.Reader _ TiogaAccess.FromFile[fullFName];
rootChar: TiogaAccess.TiogaChar _ TiogaAccess.Get[fileStream]; -- first character produces the root properties
FOR rootProps: Atom.PropList _ rootChar.propList, rootProps.rest WHILE rootProps # NIL DO
IF rootProps.first.key = $voicelist THEN { IF voiceList = NIL THEN voiceList _ NARROW[rootProps.first.val, Rope.ROPE] ELSE ERROR }
ENDLOOP
};

IF voiceList = NIL 
THEN 
{  Commentate["   No voice in file\n"];
RETURN
};
Commentate["   Voice message IDs are\n"];

{  nextVoice: Rope.ROPE;
startOfID: INT _ 1;
endOfID: INT;
IF NOT ( voiceList.Length > 0 AND voiceList.Fetch[0] = '& ) THEN ERROR;

DO
endOfID _ voiceList.Find["&", startOfID]; 
nextVoice _ voiceList.Substr[startOfID, IF endOfID = -1 THEN Rope.MaxLen ELSE endOfID - startOfID];
IF nextVoice.Length = 0 THEN ERROR;

VoiceRope.Retain[handle: thrushHandle, vr: NEW [VoiceRope.VoiceRopeInterval  _ [nextVoice, 0, 0]], refID: globalName.Cat[" ", Convert.RopeFromTime[createDate]], class: "TiogaVoice"];
Commentate[nextVoice]; Commentate["\n"];

IF endOfID = -1 THEN EXIT;
startOfID _ endOfID + 1
ENDLOOP
}
};


RegisterVoiceInterest: Commander.CommandProc = {
{
ENABLE {
FS.Error => IF error.group # user THEN REJECT ELSE {msg _ error.explanation; GOTO Quit};
LocalFile => {msg _ "File must be global or have a global attachment"; GOTO Quit};
};

argv: CommandTool.ArgumentVector;
argv _ CommandTool.Parse[cmd ! CommandTool.Failed => {msg _ errorMsg; GOTO Quit}];
IF argv.argc # 2 THEN {
msg _ "Usage: RegisterVoiceInterest inFile";
GOTO Quit;
};
RegisterInterest[argv[1], cmd.out]
EXITS
Quit => RETURN [$Failure, msg]
}};

backgroundCommentaryInit: Commander.CommandProc = { backgroundCommentary _ cmd.out };

p: PROCESS _ FORK MonitorCopiesToGlobal;
TalksBubbleDataRep: TYPE ~ RECORD [
letter: CHAR,
label: Rope.ROPE,
ascent: REAL,
descent: REAL,
width: REAL,
bearoff: REAL,
firstCharWidth: REAL
];

TalksBubblePaint: PROC [self: TEditFormat.CharacterArtwork, context: Imager.Context] ~ {
data: REF TalksBubbleDataRep ~ NARROW[self.data];

DrawBubble: ImagerPath.PathProc = {
height: REAL _ data.ascent + data.descent;
moveTo[[data.bearoff, -data.descent+(height/4)]];
lineTo[[data.bearoff, -data.descent+(3*height/4)]];
arcTo[[data.bearoff+(data.width/2), -data.descent+height], [data.bearoff + data.width, -data.descent+(3*height/4)]];
lineTo[[data.bearoff+data.width, -data.descent+(height/4)]];
arcTo[[data.bearoff+(15*data.width/16), -data.descent+(height/16)], [data.bearoff + (3*data.width/4), -data.descent]];
lineTo[[data.bearoff+(data.width/4), -data.descent-(height/2)]];
lineTo[[data.bearoff+(data.width/2), -data.descent]];
lineTo[[data.bearoff+(data.width/4), -data.descent]];
arcTo[[data.bearoff+(data.width/16), -data.descent+(height/16)], [data.bearoff, -data.descent+(height/4)]];
};

DrawBox: ImagerPath.PathProc = {
moveTo[[data.bearoff+data.firstCharWidth, -data.descent]];
lineTo[[data.bearoff+data.firstCharWidth, data.ascent]];
lineTo[[data.bearoff+data.width, data.ascent]];
lineTo[[data.bearoff+data.width, -data.descent]];
lineTo[[data.bearoff+data.firstCharWidth, -data.descent]]
};

Imager.Move[context];
Imager.ShowChar[context, data.letter];
IF data.label = NIL
THEN 
{  Imager.SetStrokeWidth[context, 1.0];
Imager.SetStrokeJoint[context, round];
Imager.MaskStroke[context, DrawBubble, TRUE]
}
ELSE 
{  Imager.SetColor[context, textColor]; 
Imager.ShowRope[context, data.label];
Imager.SetStrokeWidth[context, 1.0];
Imager.SetStrokeJoint[context, round];
Imager.MaskStroke[context, DrawBox, TRUE]
}
};

TalksBubbleFormat: PROC [class: TEditFormat.CharacterArtworkClass, loc: TextNode.Location, style: NodeStyle.Ref, kind: NodeStyleOps.OfStyle] RETURNS [TEditFormat.CharacterArtwork] ~ {
charSet: TextEdit.CharSet _ TextEdit.FetchChar[loc.node, loc.where].charSet; 
letter: CHAR _ TextEdit.FetchChar[loc.node, loc.where].char;
ascent: REAL _ NodeStyle.GetReal[style, backgroundAscent];
descent: REAL _ NodeStyle.GetReal[style, backgroundDescent];
width: REAL;
bearoff: REAL _ NodeStyle.GetReal[style, outlineboxBearoff];
windowRef: TiogaVoicePrivate.VoiceWindowRef _ NARROW[TextEdit.GetCharProp[loc.node, loc.where, $voiceWindow], TiogaVoicePrivate.VoiceWindowRef];
label: Rope.ROPE _ IF windowRef = NIL THEN NIL ELSE windowRef.label;
escapement:  Vector2.VEC _ ImagerFont.Escapement[TEditFormat.GetFont[style], [set: charSet, code: letter-'\000]];
firstCharWidth: REAL _ escapement.x;
IF label # NIL THEN FOR i: INT IN  [0..label.Length) DO
escapement.x _ escapement.x + ImagerFont.Escapement[TEditFormat.GetFont[style], [set: charSet, code: label.Fetch[i]-'\000]].x
ENDLOOP;
width _ escapement.x; 
 
IF ascent+descent <= 0.0 THEN {
fontBoundingBox: ImagerFont.Extents ~ ImagerFont.FontBoundingBox[TEditFormat.GetFont[style]];
ascent _ fontBoundingBox.ascent + bearoff;
descent _ fontBoundingBox.descent - bearoff;
};

{ data: REF TalksBubbleDataRep ~ NEW[TalksBubbleDataRep _ [
letter: letter,
label: label,
ascent: ascent,
descent: descent,
width: width,
bearoff: bearoff,
firstCharWidth: firstCharWidth
]];
extents: ImagerFont.Extents _ [leftExtent: -data.bearoff+2.0, rightExtent: data.bearoff+data.width+2.0, ascent: data.ascent+2.0, descent: (data.descent+data.ascent)/2];
RETURN [NEW[TEditFormat.CharacterArtworkRep _ [paint: TalksBubblePaint, extents: extents, escapement: escapement, data: data]]]
}
};

talksBubbleClass: TEditFormat.CharacterArtworkClass ~ NEW[TEditFormat.CharacterArtworkClassRep _ [
name: $TalksBubble,
format: TalksBubbleFormat,
data: NIL
]];

textColor: ImagerColor.ConstantColor _ ImagerColor.ColorFromStipple[7BDEH, [or, null]];

ViewerAndDestroyProc: TYPE = RECORD [
viewer: ViewerClasses.Viewer,
destroyProc: ViewerEvents.EventRegistration
];

registeredViewerList: LIST OF ViewerAndDestroyProc;

RegisterViewer: PUBLIC PROC [viewer: ViewerClasses.Viewer] = {
alreadyInList: BOOLEAN _ FALSE;
FOR l: LIST OF ViewerAndDestroyProc _ registeredViewerList, l.rest WHILE l # NIL AND ~alreadyInList DO IF l.first.viewer = viewer THEN alreadyInList _ TRUE ENDLOOP;

IF ~alreadyInList THEN
{  newEntry: ViewerAndDestroyProc _ [viewer, ViewerEvents.RegisterEventProc[
		  proc: DestroyViewerEvent, event: destroy, filter: viewer, before: TRUE]];
registeredViewerList _ CONS [newEntry, registeredViewerList]
}
};

DestroyViewerEvent: ViewerEvents.EventProc = { 
firstEntry: BOOLEAN _ viewer = registeredViewerList.first.viewer;
previousEntry: LIST OF ViewerAndDestroyProc _ registeredViewerList;
IF ~firstEntry THEN WHILE previousEntry.rest.first.viewer # viewer DO previousEntry _ previousEntry.rest ENDLOOP; -- if this runs off the end then something has gone seriously wrong

ViewerEvents.UnRegisterEventProc[(IF firstEntry THEN registeredViewerList ELSE previousEntry.rest).first.destroyProc, destroy];
IF firstEntry THEN registeredViewerList _ registeredViewerList.rest ELSE previousEntry.rest _ previousEntry.rest.rest;

RemoveParentPointersTo[viewer];
};

RemoveParentPointersTo: PUBLIC PROC [viewer: ViewerClasses.Viewer] = {
FOR info: TiogaVoicePrivate.VoiceViewerInfo _ TiogaVoicePrivate.voiceViewerInfoList, info.nextInfoRec WHILE info # NIL DO
IF info.parentViewer = viewer THEN
{  info.parentViewer _ NIL;
DebugRope[IO.PutFR["detaching parent link for voice viewer %d\n", IO.int[info.viewerNumber]]]
}
ENDLOOP
};


TrackDeletes: PUBLIC PROC = {
viewer: ViewerClasses.Viewer;
start, end, current: TiogaOpsDefs.Location;
infoList: LIST OF TiogaVoicePrivate.VoiceViewerInfo _ NIL;

SeverLinks: PROC [node: TiogaOpsDefs.Ref, from, to: INT] = {
FOR l: LIST OF TiogaVoicePrivate.VoiceViewerInfo _ infoList, l.rest WHILE l # NIL DO
IF l.first.positionInParent.node = node AND l.first.positionInParent.where IN [from..to]
THEN
{  l.first.parentViewer _ NIL;
DebugRope[IO.PutFR["detaching parent link for voice viewer %d\n", IO.int[l.first.viewerNumber]]]
}
ENDLOOP
};

[viewer: viewer, start: start, end: end] _ TiogaOps.GetSelection[];
FOR info: TiogaVoicePrivate.VoiceViewerInfo _ TiogaVoicePrivate.voiceViewerInfoList, info.nextInfoRec WHILE info # NIL DO IF info.parentViewer = viewer THEN infoList _ CONS [info, infoList] ENDLOOP;
IF infoList = NIL THEN RETURN;

IF start.node = end.node 
THEN SeverLinks[start.node, start.where, end.where]
ELSE
{  current _ start;
SeverLinks[current.node, current.where, TextEdit.Size[TiogaButtons.TextNodeRef[current.node]]-1];
DO
current.node _ TiogaOps.StepForward[current.node];
IF current.node = end.node THEN
{  SeverLinks[current.node, 0, end.where];
EXIT
}
ELSE  SeverLinks[current.node, 0, TextEdit.Size[TiogaButtons.TextNodeRef[current.node]]-1]
ENDLOOP
};

{  positionAdjustment: INT _ end.where - start.where + 1;
FOR l: LIST OF TiogaVoicePrivate.VoiceViewerInfo _ infoList, l.rest WHILE l # NIL DO
IF l.first.positionInParent.node = end.node AND l.first.positionInParent.where > end.where
THEN l.first.positionInParent _ [start.node, l.first.positionInParent.where - positionAdjustment]
ENDLOOP
}
};

Menus.InsertMenuEntry[TiogaMenuOps.tiogaMenu, MBQueue.CreateMenuEntry[voiceButtonQueue, "DeleteLinks", DeleteLinks], 1];
Menus.InsertMenuEntry[TiogaMenuOps.tiogaMenu, MBQueue.CreateMenuEntry[voiceButtonQueue, "DictationMachine", TiogaVoicePrivate.DictationMachine], 1];
Menus.InsertMenuEntry[TiogaMenuOps.tiogaMenu, MBQueue.CreateMenuEntry[voiceButtonQueue, "DeleteVoice", DeleteVoiceProc], 1];
Menus.InsertMenuEntry[TiogaMenuOps.tiogaMenu, MBQueue.CreateMenuEntry[voiceButtonQueue, "EditVoice", EditVoiceProc], 1];
Menus.InsertMenuEntry[TiogaMenuOps.tiogaMenu, MBQueue.CreateMenuEntry[voiceButtonQueue, "STOP", CancelProc], 1];
Menus.InsertMenuEntry[TiogaMenuOps.tiogaMenu, MBQueue.CreateMenuEntry[voiceButtonQueue, "PlayVoice", TiogaVoicePrivate.PlayBackMenuProc], 1];
Menus.InsertMenuEntry[TiogaMenuOps.tiogaMenu, MBQueue.CreateMenuEntry[voiceButtonQueue, "AddVoice", TiogaVoicePrivate.AddVoiceProc], 1];
voiceMenu _ Menus.GetLine[TiogaMenuOps.tiogaMenu, 1];	
InstallMenuButton["Voice", VoiceMenu];
Menus.SetLine[TiogaMenuOps.tiogaMenu, 1, NIL];

TiogaOps.RegisterCommand[name: $RedSave, proc: ScanForVoice];
TiogaOps.RegisterCommand[name: $YellowSave, proc: ScanForVoice];
TiogaOps.RegisterCommand[name: $BlueSave, proc: ScanForVoice];
TiogaOps.RegisterCommand[name: $RedStore, proc: ScanForVoice];
TiogaOps.RegisterCommand[name: $YellowStore, proc: ScanForVoice];
TiogaOps.RegisterCommand[name: $BlueStore, proc: ScanForVoice];

TRUSTED {Process.Detach[p]};

Commander.Register[key: "RegisterVoiceInterest", proc: RegisterVoiceInterest, doc: "RegisterVoiceInterest inFile: register loganberry interests for all voice messages in a global or globally attached file"];

Commander.Register[key: "InterestInfo", proc: backgroundCommentaryInit, doc: "InterestInfo: registers an output stream for commentary about voice interest registration"];

TEditFormat.RegisterCharacterArtwork[talksBubbleClass];

}.
BVoiceInTextImpl.mesa
Copyright Σ 1987 by Xerox Corporation.  All rights reserved.
	Ades, September 24, 1986 5:52:47 pm PDT
Swinehart, April 9, 1987 12:24:18 pm PDT

TiogaVoicePrivate
basic code to add voice to textual tioga documents and to replay that voice
this just toggles the voice submenu on and off the screen
see comments in interface about this  
see if already showing the submenu
add it.  do insertion sort to get it in the right place
higher priority means goes above in series of submenus
looks at rope for first item to identify the subMenu.
put it here
a convenience: looks after all the tree walking and calls the given ActionProc once for each character in the primary selection
this is the same as above, except that it should be called when the primary selection is already locked

procedure to put voice from a voice viewer into a text viewer
next line places a 'talks bubble' on the selected character - see TalksBubbleImpl
 
test for failure conditions and report them to the user after releasing the viewer lock
this procedure is in three parts: first look in the primary selection for characters with the property $voice but not $voiceWindow; next open up a window for each: then add $voiceWindow to the relevant characters. If the expected characters don't occur in the expected order then voice window(s) may be created without association to the parent viewer. 

these routines are simply append procedures for the three list types above [alas]
because we are under a tioga lock, it is safe to muck with the 'edited' status of the viewer
philosophically, putting a source marker in a voice viewer does not constitute editing it, so keep the 'edited' status of the viewer constant through this operation
we only move down the voice (etc.) lists if the char property voice rope ID matched the head of the voice list. A non-match may be due to the rope being non-existant (and hence having been filtered out from voiceList by SearchForVoice). The other possibility is that the selection has been changed, in which case voice viewers may or may not be given correct links to their parents 
may be that the source marker was put in as a result of DictationMachine being bugged, in which case there is no voice rope present - remove the artwork
this procedure severs any parent pointers that voice viewers might have back to this viewer and removes the source marker artworks. [It can also be used to get rid of source marker artworks embarassingly left in a file by bad tracking etc.]
all buttons registered using MBQueue.CreateMenuEntry are serialised on this one queue: all the buttons in this voice system,  or having to do with voice [e.g. Finch buttons], ought to be put on this queue, except for those which simply toggle menus on and off the display
VoiceInterests

a mechanism to track all files copied to global file space and register interest in any voice contained in them, plus a command to register interests in any voice found in a named file [which must be global or with global attachment: the interest is registered for the global name]

the code is very inefficient in the way that it deals with files: it opens the file as a stream to see if it is a tioga file and then gets a TiogaAccess.Reader on each tioga file, which means making a complete copy of the file into TiogaAccess.Reader format, and then reads its root properties

faster code could be produced by using the 'control' rope reader returned by FileReader.FromStream but that means writing fairly grubby code that knows a lot about the tioga file format [see FileOps.mesa in tioga.df if interested]
in order to determine if some file is a tioga file, we need to open it as a plain file [hence following line] and use FileReader.FromStream to determine whether it is of the correct format. FromStream also returns the text, comments and control sections of the documents if we are interested [see comments at the head of this code]
the voiceRope specification in this procedure call is only used to extract the RopeID - the start and length are not used

TalksBubbles

routines to insert distinctive markers around a character to indicate that it contains voice


SourceMarkerTracking

code which ensures that the records of parent viewers & positions within them attached to voice viewers are kept consistent as the parent viewers are edited
n.b. no consideration given in this code to the existence of split viewers
first section deals with what happens when you delete a text viewer which is pointed to by voice viewer(s)  
this is a list of all the viewers in which source markers have been created and which therefore have a destroyProc set up to sever parent links. When the destroyProc is called the viewer will be deleted from this list; however when all relevant source markers have been deleted from the viewer we do not bother to delete it from the list
called everytime a source marker is created within a text viewer
remainder of the code deals with tracking pointers correctly as the text they point to is edited
called before the primary selection is deleted, if in a text viewer
N.B. that the selection may span more than one node

we now have a list of all the voice viewers whose parent links point at the viewer containing the primary selection: we need to go through all the nodes in the selection severing the links which point within the selection and altering those which lie in the last node of the selection, beyond the end of the selection
Initialization

**** voiceButtonQueue should be deleted, or used for ALL button activities
Swinehart, April 9, 1987 10:42:03 am PDT
Gathers up VoiceInTextImpl, VoiceInterestImpl, TalksBubbleImpl, SourceMarkerTrackingImpl

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