diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativetextinput.cpp')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativetextinput.cpp | 288 |
1 files changed, 267 insertions, 21 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativetextinput.cpp b/src/declarative/graphicsitems/qdeclarativetextinput.cpp index 29e43f9..89ec834 100644 --- a/src/declarative/graphicsitems/qdeclarativetextinput.cpp +++ b/src/declarative/graphicsitems/qdeclarativetextinput.cpp @@ -97,14 +97,116 @@ void QDeclarativeTextInput::setText(const QString &s) /*! \qmlproperty string TextInput::font.family + + Sets the family name of the font. + + The family name is case insensitive and may optionally include a foundry name, e.g. "Helvetica [Cronyx]". + If the family is available from more than one foundry and the foundry isn't specified, an arbitrary foundry is chosen. + If the family isn't available a family will be set using the font matching algorithm. +*/ + +/*! \qmlproperty bool TextInput::font.bold + + Sets the font's weight to bold. +*/ + +/*! + \qmlproperty enumeration TextInput::font.weight + + Sets the font's weight. + + The weight can be one of: + \list + \o Light + \o Normal - the default + \o DemiBold + \o Bold + \o Black + \endlist + + \qml + TextInput { text: "Hello"; font.weight: Font.DemiBold } + \endqml +*/ + +/*! \qmlproperty bool TextInput::font.italic + + Sets the style of the text to italic. +*/ + +/*! \qmlproperty bool TextInput::font.underline + + Set the style of the text to underline. +*/ + +/*! + \qmlproperty bool TextInput::font.outline + + Set the style of the text to outline. +*/ + +/*! + \qmlproperty bool TextInput::font.strikeout + + Set the style of the text to strikeout. +*/ + +/*! \qmlproperty real TextInput::font.pointSize + + Sets the font size in points. The point size must be greater than zero. +*/ + +/*! \qmlproperty int TextInput::font.pixelSize - Set the TextInput's font attributes. + Sets the font size in pixels. + + Using this function makes the font device dependent. + Use \c pointSize to set the size of the font in a device independent manner. */ + +/*! + \qmlproperty real TextInput::font.letterSpacing + + Sets the letter spacing for the font. + + Letter spacing changes the default spacing between individual letters in the font. + A value of 100 will keep the spacing unchanged; a value of 200 will enlarge the spacing after a character by + the width of the character itself. +*/ + +/*! + \qmlproperty real TextInput::font.wordSpacing + + Sets the word spacing for the font. + + Word spacing changes the default spacing between individual words. + A positive value increases the word spacing by a corresponding amount of pixels, + while a negative value decreases the inter-word spacing accordingly. +*/ + +/*! + \qmlproperty enumeration TextInput::font.capitalization + + Sets the capitalization for the text. + + \list + \o MixedCase - This is the normal text rendering option where no capitalization change is applied. + \o AllUppercase - This alters the text to be rendered in all uppercase type. + \o AllLowercase - This alters the text to be rendered in all lowercase type. + \o SmallCaps - This alters the text to be rendered in small-caps type. + \o Capitalize - This alters the text to be rendered with the first character of each word as an uppercase character. + \endlist + + \qml + TextInput { text: "Hello"; font.capitalization: Font.AllLowercase } + \endqml +*/ + QFont QDeclarativeTextInput::font() const { Q_D(const QDeclarativeTextInput); @@ -429,6 +531,29 @@ void QDeclarativeTextInput::setFocusOnPress(bool b) } /*! + \qmlproperty bool TextInput::autoScroll + + Whether the TextInput should scroll when the text is longer than the width. By default this is + set to true. +*/ +bool QDeclarativeTextInput::autoScroll() const +{ + Q_D(const QDeclarativeTextInput); + return d->autoScroll; +} + +void QDeclarativeTextInput::setAutoScroll(bool b) +{ + Q_D(QDeclarativeTextInput); + if (d->autoScroll == b) + return; + + d->autoScroll = b; + + emit autoScrollChanged(d->autoScroll); +} + +/*! \qmlproperty Validator TextInput::validator Allows you to set a validator on the TextInput. When a validator is set @@ -449,7 +574,7 @@ void QDeclarativeTextInput::setFocusOnPress(bool b) input of integers between 11 and 31 into the text input: \code - import Qt 4.6 + import Qt 4.7 TextInput{ validator: IntValidator{bottom: 11; top: 31;} focus: true @@ -634,7 +759,18 @@ void QDeclarativeTextInput::moveCursor() d->cursorItem->setX(d->control->cursorToX() - d->hscroll); } -int QDeclarativeTextInput::xToPos(int x) +/* + \qmlmethod int xToPosition(int x) + + This function returns the character position at + x pixels from the left of the textInput. Position 0 is before the + first character, position 1 is after the first character but before the second, + and so on until position text.length, which is after all characters. + + This means that for all x values before the first character this function returns 0, + and for all x values after the last character this function returns text.length. +*/ +int QDeclarativeTextInput::xToPosition(int x) { Q_D(const QDeclarativeTextInput); return d->control->xToPos(x - d->hscroll); @@ -645,6 +781,10 @@ void QDeclarativeTextInputPrivate::focusChanged(bool hasFocus) Q_Q(QDeclarativeTextInput); focused = hasFocus; q->setCursorVisible(hasFocus); + if(q->echoMode() == QDeclarativeTextInput::PasswordEchoOnEdit && !hasFocus) + control->updatePasswordEchoEditing(false);//QLineControl sets it on key events, but doesn't deal with focus events + if (!hasFocus) + control->deselect(); QDeclarativeItemPrivate::focusChanged(hasFocus); } @@ -679,7 +819,15 @@ void QDeclarativeTextInput::mousePressEvent(QGraphicsSceneMouseEvent *event) } setFocus(true); } - d->control->processEvent(event); + bool mark = event->modifiers() & Qt::ShiftModifier; + int cursor = d->xToPos(event->pos().x()); + d->control->moveCursor(cursor, mark); +} + +void QDeclarativeTextInput::mouseMoveEvent(QGraphicsSceneMouseEvent *event) +{ + Q_D(QDeclarativeTextInput); + d->control->moveCursor(d->xToPos(event->pos().x()), true); } /*! @@ -704,6 +852,7 @@ bool QDeclarativeTextInput::event(QEvent* ev) case QEvent::KeyPress: case QEvent::KeyRelease://###Should the control be doing anything with release? case QEvent::GraphicsSceneMousePress: + case QEvent::GraphicsSceneMouseMove: case QEvent::GraphicsSceneMouseRelease: break; default: @@ -733,28 +882,56 @@ void QDeclarativeTextInput::drawContents(QPainter *p, const QRect &r) int flags = QLineControl::DrawText; if(!isReadOnly() && d->cursorVisible && !d->cursorItem) flags |= QLineControl::DrawCursor; - if (d->control->hasSelectedText()){ + if (d->control->hasSelectedText()) flags |= QLineControl::DrawSelections; - } - QPoint offset = QPoint(0,0); - if(d->hAlign != AlignLeft){ - QFontMetrics fm = QFontMetrics(d->font); - //###Is this using bearing appropriately? - int minLB = qMax(0, -fm.minLeftBearing()); - int minRB = qMax(0, -fm.minRightBearing()); - int widthUsed = qRound(d->control->naturalTextWidth()) + 1 + minRB; - int hOffset = 0; + QFontMetrics fm = QFontMetrics(d->font); + int cix = qRound(d->control->cursorToX()); + QRect br(boundingRect().toRect()); + //###Is this using bearing appropriately? + int minLB = qMax(0, -fm.minLeftBearing()); + int minRB = qMax(0, -fm.minRightBearing()); + int widthUsed = qRound(d->control->naturalTextWidth()) + 1 + minRB; + if (d->autoScroll) { + if ((minLB + widthUsed) <= br.width()) { + // text fits in br; use hscroll for alignment + switch (d->hAlign & ~(Qt::AlignAbsolute|Qt::AlignVertical_Mask)) { + case Qt::AlignRight: + d->hscroll = widthUsed - br.width() + 1; + break; + case Qt::AlignHCenter: + d->hscroll = (widthUsed - br.width()) / 2; + break; + default: + // Left + d->hscroll = 0; + break; + } + d->hscroll -= minLB; + } else if (cix - d->hscroll >= br.width()) { + // text doesn't fit, cursor is to the right of br (scroll right) + d->hscroll = cix - br.width() + 1; + } else if (cix - d->hscroll < 0 && d->hscroll < widthUsed) { + // text doesn't fit, cursor is to the left of br (scroll left) + d->hscroll = cix; + } else if (widthUsed - d->hscroll < br.width()) { + // text doesn't fit, text document is to the left of br; align + // right + d->hscroll = widthUsed - br.width() + 1; + } + // the y offset is there to keep the baseline constant in case we have script changes in the text. + offset = br.topLeft() - QPoint(d->hscroll, d->control->ascent() - fm.ascent()); + } else { if(d->hAlign == AlignRight){ - hOffset = width() - widthUsed; + d->hscroll = width() - widthUsed; }else if(d->hAlign == AlignHCenter){ - hOffset = (width() - widthUsed) / 2; + d->hscroll = (width() - widthUsed) / 2; } - hOffset -= minLB; - offset = QPoint(hOffset, 0); + d->hscroll -= minLB; + offset = QPoint(d->hscroll, 0); } - QRect clipRect = r; - d->control->draw(p, offset, clipRect, flags); + + d->control->draw(p, offset, r, flags); p->restore(); } @@ -809,6 +986,72 @@ void QDeclarativeTextInput::selectAll() filtering at the beginning of the animation and reenable it at the conclusion. */ +/* + \qmlproperty string TextInput::passwordCharacter + + This is the character displayed when echoMode is set to Password or + PasswordEchoOnEdit. By default it is an asterisk. + + Attempting to set this to more than one character will set it to + the first character in the string. Attempting to set this to less + than one character will fail. +*/ +QString QDeclarativeTextInput::passwordCharacter() const +{ + Q_D(const QDeclarativeTextInput); + return QString(d->control->passwordCharacter()); +} + +void QDeclarativeTextInput::setPasswordCharacter(const QString &str) +{ + Q_D(QDeclarativeTextInput); + if(str.length() < 1) + return; + emit passwordCharacterChanged(); + d->control->setPasswordCharacter(str.constData()[0]); +} + +/* + \qmlproperty string TextInput::displayText + + This is the actual text displayed in the TextInput. When + echoMode is set to TextInput::Normal this will be exactly + the same as the TextInput::text property. When echoMode + is set to something else, this property will contain the text + the user sees, while the text property will contain the + entered text. +*/ +QString QDeclarativeTextInput::displayText() const +{ + Q_D(const QDeclarativeTextInput); + return d->control->displayText(); +} + +/* + \qmlmethod void moveCursorSelection(int pos) + + This method allows you to move the cursor while modifying the selection accordingly. + To simply move the cursor, set the cursorPosition property. + + When this method is called it additionally sets either the + selectionStart or the selectionEnd (whichever was at the previous cursor position) + to the specified position. This allows you to easily extend and contract the selected + text range. + + Example: The sequence of calls + cursorPosition = 5 + moveCursorSelection(9) + moveCursorSelection(7) + would move the cursor to position 5, extend the selection end from 5 to 9 + and then retract the selection end from 9 to 7, leaving the text from position 5 to 7 + selected (the 6th and 7th characters). +*/ +void QDeclarativeTextInput::moveCursorSelection(int pos) +{ + Q_D(QDeclarativeTextInput); + d->control->moveCursor(pos, true); +} + void QDeclarativeTextInputPrivate::init() { Q_Q(QDeclarativeTextInput); @@ -824,6 +1067,8 @@ void QDeclarativeTextInputPrivate::init() q->connect(control, SIGNAL(selectionChanged()), q, SLOT(selectionChanged())); q->connect(control, SIGNAL(textChanged(const QString &)), + q, SIGNAL(displayTextChanged(const QString &))); + q->connect(control, SIGNAL(textChanged(const QString &)), q, SLOT(q_textChanged())); q->connect(control, SIGNAL(accepted()), q, SIGNAL(accepted())); @@ -892,10 +1137,11 @@ void QDeclarativeTextInput::q_textChanged() void QDeclarativeTextInput::updateRect(const QRect &r) { + Q_D(QDeclarativeTextInput); if(r == QRect()) clearCache(); else - dirtyCache(r); + dirtyCache(QRect(r.x() - d->hscroll, r.y(), r.width(), r.height())); update(); } |