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Utils: add property CompletingTextEdit::completionLengthThreshold

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Change-Id: If68e981511e4c3df3766a2c5040bba8688f6928d
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>
This commit is contained in:
Hugues Delorme
2011-12-12 19:29:44 +01:00
committed by Tobias Hunger
parent e054dc546c
commit 02470b35c5
2 changed files with 26 additions and 2 deletions
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23
src/libs/utils/completingtextedit.cpp
View File

@@ -59,7 +59,10 @@ public:
void insertCompletion(const QString &completion); void insertCompletion(const QString &completion);
QString textUnderCursor() const; QString textUnderCursor() const;
bool acceptsCompletionPrefix(const QString &prefix) const;
QCompleter *m_completer; QCompleter *m_completer;
int m_completionLengthThreshold;
private: private:
CompletingTextEdit *m_backPointer; CompletingTextEdit *m_backPointer;
@@ -67,6 +70,7 @@ private:
CompletingTextEditPrivate::CompletingTextEditPrivate(CompletingTextEdit *textEdit) CompletingTextEditPrivate::CompletingTextEditPrivate(CompletingTextEdit *textEdit)
: m_completer(0), : m_completer(0),
m_completionLengthThreshold(3),
m_backPointer(textEdit) m_backPointer(textEdit)
{ {
} }
@@ -90,6 +94,11 @@ QString CompletingTextEditPrivate::textUnderCursor() const
return tc.selectedText(); return tc.selectedText();
} }
bool CompletingTextEditPrivate::acceptsCompletionPrefix(const QString &prefix) const
{
return prefix.length() >= m_completionLengthThreshold;
}
CompletingTextEdit::CompletingTextEdit(QWidget *parent) CompletingTextEdit::CompletingTextEdit(QWidget *parent)
: QTextEdit(parent), : QTextEdit(parent),
d(new CompletingTextEditPrivate(this)) d(new CompletingTextEditPrivate(this))
@@ -121,6 +130,16 @@ QCompleter *CompletingTextEdit::completer() const
return d->m_completer; return d->m_completer;
} }
int CompletingTextEdit::completionLengthThreshold() const
{
return d->m_completionLengthThreshold;
}
void CompletingTextEdit::setCompletionLengthThreshold(int len)
{
d->m_completionLengthThreshold = len;
}
void CompletingTextEdit::keyPressEvent(QKeyEvent *e) void CompletingTextEdit::keyPressEvent(QKeyEvent *e)
{ {
if (completer() && completer()->popup()->isVisible()) { if (completer() && completer()->popup()->isVisible()) {
@@ -150,8 +169,8 @@ void CompletingTextEdit::keyPressEvent(QKeyEvent *e)
const QString newCompletionPrefix = d->textUnderCursor(); const QString newCompletionPrefix = d->textUnderCursor();
const QChar lastChar = e->text().isEmpty() ? QChar() : e->text().right(1).at(0); const QChar lastChar = e->text().isEmpty() ? QChar() : e->text().right(1).at(0);
if (!isShortcut && (hasModifier || e->text().isEmpty() || newCompletionPrefix.length() < 3 if (!isShortcut && (hasModifier || e->text().isEmpty() || isEndOfWordChar(lastChar)
|| isEndOfWordChar(lastChar))) { || !d->acceptsCompletionPrefix(newCompletionPrefix))) {
completer()->popup()->hide(); completer()->popup()->hide();
return; return;
} }

5
src/libs/utils/completingtextedit.h
View File

@@ -46,6 +46,8 @@ namespace Utils {
class QTCREATOR_UTILS_EXPORT CompletingTextEdit : public QTextEdit class QTCREATOR_UTILS_EXPORT CompletingTextEdit : public QTextEdit
{ {
Q_OBJECT Q_OBJECT
Q_PROPERTY(int completionLengthThreshold
READ completionLengthThreshold WRITE setCompletionLengthThreshold)
public: public:
CompletingTextEdit(QWidget *parent = 0); CompletingTextEdit(QWidget *parent = 0);
@@ -54,6 +56,9 @@ public:
void setCompleter(QCompleter *c); void setCompleter(QCompleter *c);
QCompleter *completer() const; QCompleter *completer() const;
int completionLengthThreshold() const;
void setCompletionLengthThreshold(int len);
protected: protected:
void keyPressEvent(QKeyEvent *e); void keyPressEvent(QKeyEvent *e);
void focusInEvent(QFocusEvent *e); void focusInEvent(QFocusEvent *e);