Changeset 846 for trunk/src/gui/widgets/qlineedit.cpp

Timestamp:

May 5, 2011, 5:36:53 AM (14 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/widgets/qlineedit.cpp (modified) (17 diffs)

trunk/src/gui/widgets/qlineedit.cpp

@@ -1 +1 @@
 /****************************************************************************
 **
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
@@ -140 +140 @@
     The length of the text can be constrained to maxLength(). The text
     can be arbitrarily constrained using a validator() or an
-    inputMask(), or both.
+    inputMask(), or both. When switching between a validator and an input mask 
+    on the same line edit, it is best to clear the validator or input mask to 
+    prevent undefined behavior. 
+
 
     A related class is QTextEdit which allows multi-line, rich text
@@ -384 +387 @@
 }
 
-// ### Qt 4.7: remove this #if guard
-#if (QT_VERSION >= 0x407000) || defined(Q_WS_MAEMO_5)
 /*!
     \since 4.7
@@ -415 +416 @@
     }
 }
-#endif
 
 /*!
@@ -543 +543 @@
         return;
     Qt::InputMethodHints imHints = inputMethodHints();
-    if (mode == Password) {
+    if (mode == Password || mode == NoEcho) {
         imHints |= Qt::ImhHiddenText;
     } else {
         imHints &= ~Qt::ImhHiddenText;
+    }
+    if (mode != Normal) {
+        imHints |= (Qt::ImhNoAutoUppercase | Qt::ImhNoPredictiveText);
+    } else {
+        imHints &= ~(Qt::ImhNoAutoUppercase | Qt::ImhNoPredictiveText);
     }
     setInputMethodHints(imHints);
@@ -1644 +1649 @@
                     if (!event->text().isEmpty() && event->text().at(0).isPrint()
                         && !isReadOnly())
-                    {
                         setEditFocus(true);
-#ifndef Q_OS_SYMBIAN
-                        clear();
-#endif
-                    } else {
+                    else {
                         event->ignore();
                         return;
@@ -1666 +1667 @@
 #endif
     d->control->processKeyEvent(event);
-    if (event->isAccepted())
+    if (event->isAccepted()) {
+        if (layoutDirection() != d->control->layoutDirection())
+            setLayoutDirection(d->control->layoutDirection());
         d->control->setCursorBlinkPeriod(0);
+    }
 }
 
@@ -1705 +1709 @@
     if (QApplication::keypadNavigationEnabled()
         && hasFocus() && !hasEditFocus()
-        && !e->preeditString().isEmpty()) {
+        && !e->preeditString().isEmpty())
         setEditFocus(true);
-#ifndef Q_OS_SYMBIAN
-        selectAll();        // so text is replaced rather than appended to
-#endif
-    }
 #endif
 
@@ -1867 +1867 @@
 
     QFontMetrics fm = fontMetrics();
-    Qt::Alignment va = QStyle::visualAlignment(layoutDirection(), QFlag(d->alignment));
+    Qt::Alignment va = QStyle::visualAlignment(d->control->layoutDirection(), QFlag(d->alignment));
     switch (va & Qt::AlignVertical_Mask) {
      case Qt::AlignBottom:
@@ -1882 +1882 @@
     QRect lineRect(r.x() + d->horizontalMargin, d->vscroll, r.width() - 2*d->horizontalMargin, fm.height());
 
+    int minLB = qMax(0, -fm.minLeftBearing());
+    int minRB = qMax(0, -fm.minRightBearing());
+
     if (d->control->text().isEmpty()) {
         if (!hasFocus() && !d->placeholderText.isEmpty()) {
@@ -1888 +1891 @@
             QPen oldpen = p.pen();
             p.setPen(col);
-            p.drawText(lineRect, va, d->placeholderText);
+            lineRect.adjust(minLB, 0, 0, 0);
+            QString elidedText = fm.elidedText(d->placeholderText, Qt::ElideRight, lineRect.width());
+            p.drawText(lineRect, va, elidedText);
             p.setPen(oldpen);
             return;
@@ -1902 +1907 @@
     // minLB, minRB), the line edit rect (lineRect) and the cursor position
     // (cix).
-    int minLB = qMax(0, -fm.minLeftBearing());
-    int minRB = qMax(0, -fm.minRightBearing());
     int widthUsed = qRound(d->control->naturalTextWidth()) + 1 + minRB;
     if ((minLB + widthUsed) <=  lineRect.width()) {
@@ -1930 +1933 @@
         // right
         d->hscroll = widthUsed - lineRect.width() + 1;
-    }
+    } else {
+        //in case the text is bigger than the lineedit, the hscroll can never be negative
+        d->hscroll = qMax(0, d->hscroll);
+    }
+
     // the y offset is there to keep the baseline constant in case we have script changes in the text.
     QPoint topLeft = lineRect.topLeft() - QPoint(d->hscroll, d->control->ascent() - fm.ascent());
@@ -1950 +1957 @@
         flags |= QLineControl::DrawSelections;
         // Palette only used for selections/mask and may not be in sync
-        if(d->control->palette() != pal)
+        if (d->control->palette() != pal
+           || d->control->palette().currentColorGroup() != pal.currentColorGroup())
             d->control->setPalette(pal);
     }
@@ -2053 +2061 @@
 void QLineEdit::contextMenuEvent(QContextMenuEvent *event)
 {
-    QPointer<QMenu> menu = createStandardContextMenu();
-    menu->exec(event->globalPos());
-    delete menu;
-}
-
-#if defined(Q_WS_WIN)
+    if (QMenu *menu = createStandardContextMenu()) {
+        menu->setAttribute(Qt::WA_DeleteOnClose);
+        menu->popup(event->globalPos());
+    }
+}
+
+#if defined(Q_WS_WIN) || defined(Q_WS_X11)
     extern bool qt_use_rtl_extensions;
 #endif
@@ -2130 +2139 @@
 #endif
 
-#if defined(Q_WS_WIN)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11)
     if (!d->control->isReadOnly() && qt_use_rtl_extensions) {
 #else
@@ -2163 +2172 @@
         }
         update();
-        break;
-    case QEvent::LayoutDirectionChange:
-        d->control->setLayoutDirection(layoutDirection());
         break;
     default: