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Clang: Provide tooltips

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This includes also the query data for the help system (F1) for an
identifier under cursor.

Regressions (libclang changes necessary):
 - Function signatures do not contain default values.
 - Aliases are not resolved for/at:
   - template types
   - qualified name of a type

Fixes/Improvements:
 - Resolve "auto"
 - On a template type, show also the template parameter.
 - For a typedef like
     typedef long long superlong;
   the tooltip was "long long superlong", which was confusing.
   Now, "long long" is shown.

New:
 - Show first or \brief paragraph of a documentation comment.
 - Show size of a class at definition.
 - Show size of a field member in class definition.

Task-number: QTCREATORBUG-11259
Change-Id: Ie1a07930d0e882015d07dc43e35bb81a685cdeb8
Reviewed-by: Marco Bubke <marco.bubke@qt.io>
This commit is contained in:
Nikolai Kosjar
2018-01-12 12:29:43 +01:00
parent 7872ddde4c
commit 76c25bcd6a
71 changed files with 2824 additions and 112 deletions
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2
src/plugins/texteditor/texteditor.cpp
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@@ -309,6 +309,7 @@ public:
const int documentRevision = textCursor.document()->revision();
const int position = Text::wordStartCursor(textCursor).position();
if (m_lastHandlerInfo.applies(documentRevision, position)) {
qDebug() << "Last handler applies, showing it";
m_lastHandlerInfo.handler->showToolTip(m_widget, point, /*decorate=*/ false);
return;
}
@@ -364,6 +365,7 @@ public:
// All were queried, run the best
if (m_bestHandler) {
qDebug() << "setting last handler info:" << m_documentRevision << m_position;
m_lastHandlerInfo = LastHandlerInfo(m_bestHandler, m_documentRevision, m_position);
m_bestHandler->showToolTip(m_widget, m_point);
}