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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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7
src/plugins/cpptools/cpphoverhandler.h
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@@ -33,13 +33,12 @@ namespace CppTools {
class CPPTOOLS_EXPORT CppHoverHandler : public TextEditor::BaseHoverHandler
{
public:
static QString tooltipTextForHelpItem(const TextEditor::HelpItem &help);
private:
void identifyMatch(TextEditor::TextEditorWidget *editorWidget, int pos) override;
void decorateToolTip() override;
void operateTooltip(TextEditor::TextEditorWidget *editorWidget, const QPoint &point) override;
private:
int m_positionForEditorDocumentProcessor = -1;
};
} // namespace CppTools