/// <summary>
/// Override this method to intercept the IOleCommandTarget::QueryStatus call.
/// </summary>
/// <param name="guidCmdGroup"></param>
/// <param name="cmd"></param>
/// <returns>Usually returns OLECMDF_ENABLED | OLECMDF_SUPPORTED
/// or return OLECMDERR_E_UNKNOWNGROUP if you don't handle this command
/// </returns>
protected virtual int QueryCommandStatus(ref Guid guidCmdGroup, uint nCmdId)
{
if (guidCmdGroup == VsConstants.guidStandardCommandSet97)
{
VsCommands cmd = (VsCommands)nCmdId;
switch (cmd)
{
case VsCommands.GotoDefn:
case VsCommands.GotoDecl:
case VsCommands.GotoRef:
return((int)OLECMDF.OLECMDF_SUPPORTED | (int)OLECMDF.OLECMDF_ENABLED);
}
}
else if (guidCmdGroup == VsConstants.guidStandardCommandSet2K)
{
VsCommands2K cmd = (VsCommands2K)nCmdId;
switch (cmd)
{
case VsCommands2K.COMMENT_BLOCK:
case VsCommands2K.UNCOMMENT_BLOCK:
if (this.source == null || !this.source.CommentSupported)
{
break;
}
return((int)OLECMDF.OLECMDF_SUPPORTED | (int)OLECMDF.OLECMDF_ENABLED);
case VsCommands2K.SHOWMEMBERLIST:
case VsCommands2K.COMPLETEWORD:
case VsCommands2K.PARAMINFO:
return((int)OLECMDF.OLECMDF_SUPPORTED | (int)OLECMDF.OLECMDF_ENABLED);
case VsCommands2K.QUICKINFO:
if (this.service.Preferences.EnableQuickInfo)
{
return((int)OLECMDF.OLECMDF_SUPPORTED | (int)OLECMDF.OLECMDF_ENABLED);
}
break;
case VsCommands2K.HANDLEIMEMESSAGE:
return(0);
}
}
unchecked { return((int)OleDocumentError.OLECMDERR_E_UNKNOWNGROUP); }
}
internal static bool CommandOneOnLine( VsCommands2K command ) {
switch (command) {
case VsCommands2K.TYPECHAR:
case VsCommands2K.BACKSPACE:
case VsCommands2K.TAB:
case VsCommands2K.BACKTAB:
case VsCommands2K.DELETE:
case VsCommands2K.LEFT:
case VsCommands2K.LEFT_EXT:
case VsCommands2K.RIGHT:
case VsCommands2K.RIGHT_EXT:
return true;
default:
return false;
}
}
public virtual void OnCommand(IVsTextView textView, VsCommands2K command, bool backward) {
if (textView == null) return;
int line, idx;
textView.GetCaretPos(out line, out idx);
TokenInfo info = GetTokenInfo(textView);
TokenTrigger triggerClass = info.trigger;
if ((triggerClass & TokenTrigger.MemberSelect)!=0 && (command == VsCommands2K.TYPECHAR) && this.service.Preferences.AutoListMembers) {
Trace.WriteLine("Source::OnCommand: member select");
this.Completion( textView, info, false );
}
if ((triggerClass & TokenTrigger.MatchBraces)!=0 && this.service.Preferences.EnableMatchBraces) {
if ( (command != VsCommands2K.BACKSPACE) && ((command == VsCommands2K.TYPECHAR) || this.service.Preferences.EnableMatchBracesAtCaret)) {
Trace.WriteLine("Source::OnCommand: match braces");
this.MatchBraces(textView, line, idx, info);
}
}
//displayed & a trigger found
// todo: This means the method tip disappears if you type "ENTER"
// while entering method arguments, which is bad.
if ((triggerClass & TokenTrigger.MethodTip)!=0 && this.methodData.IsDisplayed) {
if (CommandOneOnLine(command) && ((triggerClass & TokenTrigger.MethodTip) == TokenTrigger.ParamNext)) {
//this is an optimization
Trace.WriteLine("Source::OnCommand: method info - displayed - adjust parameter" );
methodData.AdjustCurrentParameter( (backward && idx > 0) ? -1 : +1 );
}
else {
//this is the general case
Trace.WriteLine("Source::OnCommand: method info - displayed - trigger");
this.MethodTip( textView, line, (backward && idx > 0) ? idx-1 : idx, info);
}
}
//displayed & complex command
else if (methodData.IsDisplayed && ! CommandOneOnLine(command)) {
Trace.WriteLine("Source::OnCommand: method info - displayed - complex command");
this.MethodTip(textView, line, idx, info);
}
//not displayed & trigger found & character typed & method info enabled
else if ((triggerClass & TokenTrigger.MethodTip)!=0 && (command == VsCommands2K.TYPECHAR) && this.service.Preferences.ParameterInformation) {
Trace.WriteLine("Source::OnCommand: method info");
this.MethodTip(textView, line, idx, info);
}
}
public virtual void OnCommand(IVsTextView textView, VsCommands2K command, bool backward){
if (textView == null) return;
int line, column;
TokenInfo tokenInfo = this.GetTokenInfo(textView, out line, out column);
if (backward && column > 0) column--;
TokenTrigger triggerClass = tokenInfo.trigger;
if ((triggerClass&TokenTrigger.MemberSelect) != 0 && (command == VsCommands2K.TYPECHAR) && this.service.Preferences.AutoListMembers){
this.Completion(textView, tokenInfo, line, column, false);
return;
}
if ((triggerClass&TokenTrigger.MatchBraces) != 0 && this.service.Preferences.EnableMatchBraces){
if ((command != VsCommands2K.BACKSPACE) && ((command == VsCommands2K.TYPECHAR) || this.service.Preferences.EnableMatchBracesAtCaret)){
this.MatchBraces(textView, line, column, tokenInfo);
}
}
if ((triggerClass&TokenTrigger.MethodTip) != 0 && (command == VsCommands2K.TYPECHAR) && this.service.Preferences.ParameterInformation){
this.MethodTip(textView, tokenInfo, line, column);
return;
}
if (this.methodData.IsDisplayed && CommandOneOnLine(command)){
this.MethodTip(textView, tokenInfo, line, column);
}
}
/// <summary>
/// Override this method to intercept the IOleCommandTarget::Exec call.
/// </summary>
/// <returns>Usually returns 0 if ok, or OLECMDERR_E_NOTSUPPORTED</returns>
protected virtual int ExecCommand(ref Guid guidCmdGroup, uint nCmdId, uint nCmdexecopt, IntPtr pvaIn, IntPtr pvaOut)
{
if (guidCmdGroup == VsConstants.guidStandardCommandSet97)
{
VsCommands cmd = (VsCommands)nCmdId;
switch (cmd)
{
case VsCommands.GotoDefn:
case VsCommands.GotoDecl:
case VsCommands.GotoRef:
HandleGoto(cmd);
return(0);
}
}
else if (guidCmdGroup == VsConstants.guidStandardCommandSet2K)
{
VsCommands2K cmd = (VsCommands2K)nCmdId;
switch (cmd)
{
case VsCommands2K.COMMENT_BLOCK:
this.source.CommentSelection(this.textView);
return(0);
case VsCommands2K.UNCOMMENT_BLOCK:
this.source.UnCommentSelection(this.textView);
return(0);
case VsCommands2K.COMPLETEWORD: {
int line;
int idx;
this.source.Completion(this.textView, this.source.GetTokenInfo(this.textView, out line, out idx), line, idx, true);
return(0);
}
case VsCommands2K.SHOWMEMBERLIST: {
int line;
int idx;
this.source.Completion(this.textView, this.source.GetTokenInfo(this.textView, out line, out idx), line, idx, false);
return(0);
}
case VsCommands2K.PARAMINFO: {
int line;
int idx;
this.source.MethodTip(this.textView, this.source.GetTokenInfo(this.textView, out line, out idx), line, idx);
return(0);
}
case VsCommands2K.QUICKINFO: {
HandleQuickInfo();
return(0);
}
case VsCommands2K.SHOWCONTEXTMENU:
this.service.ShowContextMenu(VsConstants.IDM_VS_CTXT_CODEWIN, VsConstants.guidSHLMainMenu);
return(0);
case VsCommands2K.HANDLEIMEMESSAGE:
if (pvaOut != IntPtr.Zero)
{
Marshal.GetNativeVariantForObject(false, pvaOut); //debug this make sure it's right ...
}
return(this.nextTarget.Exec(ref guidCmdGroup, nCmdId, nCmdexecopt, pvaIn, pvaOut));
case VsCommands2K.BACKSPACE:
case VsCommands2K.BACKTAB:
case VsCommands2K.LEFT:
case VsCommands2K.LEFT_EXT: {
// check method data to see if we need to AdjustCurrentParameter appropriately.
this.source.OnCommand(this.textView, cmd, true);
int rc = this.nextTarget.Exec(ref guidCmdGroup, nCmdId, nCmdexecopt, pvaIn, pvaOut);
return(rc);
}
case VsCommands2K.TYPECHAR:
default: {
// check general trigger characters for intellisense, but insert the new char into
// the text buffer first.
int rc = this.nextTarget.Exec(ref guidCmdGroup, nCmdId, nCmdexecopt, pvaIn, pvaOut);
this.source.OnCommand(this.textView, cmd, false);
return(rc);
}
}
}
unchecked { return((int)OleDocumentError.OLECMDERR_E_NOTSUPPORTED); }
}
