Changeset 846 for trunk/src/gui/inputmethod/qcoefepinputcontext_s60.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/inputmethod/qcoefepinputcontext_s60.cpp (modified) (20 diffs)

trunk/src/gui/inputmethod/qcoefepinputcontext_s60.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)
@@ -45 +45 @@
 #include <qapplication.h>
 #include <qtextformat.h>
+#include <qgraphicsview.h>
+#include <qgraphicsscene.h>
+#include <qgraphicswidget.h>
+#include <qsymbianevent.h>
 #include <private/qcore_symbian_p.h>
 
@@ -77 +81 @@
       m_formatRetriever(0),
       m_pointerHandler(0),
-      m_cursorPos(0),
       m_hasTempPreeditString(false)
 {
@@ -87 +90 @@
     m_fepState->SetDefaultInputMode( EAknEditorTextInputMode );
     m_fepState->SetPermittedInputModes( EAknEditorAllInputModes );
-    m_fepState->SetDefaultCase( EAknEditorLowerCase );
+    m_fepState->SetDefaultCase( EAknEditorTextCase );
     m_fepState->SetPermittedCases( EAknEditorAllCaseModes );
     m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_SPECIAL_CHARACTER_TABLE_DIALOG);
@@ -235 +238 @@
         }
 
+        QString widgetText = focusWidget()->inputMethodQuery(Qt::ImSurroundingText).toString();
+        bool validLength;
+        int maxLength = focusWidget()->inputMethodQuery(Qt::ImMaximumTextLength).toInt(&validLength);
+        if (!keyEvent->text().isEmpty() && validLength
+                && widgetText.size() + m_preeditString.size() >= maxLength) {
+            // Don't send key events with string content if the widget is "full".
+            return true;
+        }
+
         if (keyEvent->type() == QEvent::KeyPress
             && focusWidget()->inputMethodHints() & Qt::ImhHiddenText
             && !keyEvent->text().isEmpty()) {
             // Send some temporary preedit text in order to make text visible for a moment.
-            m_cursorPos = focusWidget()->inputMethodQuery(Qt::ImCursorPosition).toInt();
             m_preeditString = keyEvent->text();
             QList<QInputMethodEvent::Attribute> attributes;
@@ -280 +291 @@
 }
 
+bool QCoeFepInputContext::symbianFilterEvent(QWidget *keyWidget, const QSymbianEvent *event)
+{
+    Q_UNUSED(keyWidget);
+    if (event->type() == QSymbianEvent::CommandEvent)
+        // A command basically means the same as a button being pushed. With Qt buttons
+        // that would normally result in a reset of the input method due to the focus change.
+        // This should also happen for commands.
+        reset();
+
+    return false;
+}
+
 void QCoeFepInputContext::timerEvent(QTimerEvent *timerEvent)
 {
@@ -321 +344 @@
 }
 
-static QTextCharFormat qt_TCharFormat2QTextCharFormat(const TCharFormat &cFormat)
+static QTextCharFormat qt_TCharFormat2QTextCharFormat(const TCharFormat &cFormat, bool validStyleColor)
 {
     QTextCharFormat qFormat;
 
-    QBrush foreground(QColor(cFormat.iFontPresentation.iTextColor.Internal()));
-    qFormat.setForeground(foreground);
+    if (validStyleColor) {
+        QBrush foreground(QColor(cFormat.iFontPresentation.iTextColor.Internal()));
+        qFormat.setForeground(foreground);
+    }
 
     qFormat.setFontStrikeOut(cFormat.iFontPresentation.iStrikethrough == EStrikethroughOn);
@@ -356 +381 @@
     commitTemporaryPreeditString();
 
-    bool numbersOnly = hints & ImhDigitsOnly || hints & ImhFormattedNumbersOnly
-            || hints & ImhDialableCharactersOnly;
-    bool noOnlys = !(numbersOnly || hints & ImhUppercaseOnly
-            || hints & ImhLowercaseOnly);
+    const bool anynumbermodes = hints & (ImhDigitsOnly | ImhFormattedNumbersOnly | ImhDialableCharactersOnly);
+    const bool anytextmodes = hints & (ImhUppercaseOnly | ImhLowercaseOnly | ImhEmailCharactersOnly | ImhUrlCharactersOnly);
+    const bool numbersOnly = anynumbermodes && !anytextmodes;
+    const bool noOnlys = !(hints & ImhExclusiveInputMask);
+    // if alphanumeric input, or if multiple incompatible number modes are selected;
+    // then make all symbols available in numeric mode too.
+    const bool needsCharMap= !numbersOnly || ((hints & ImhFormattedNumbersOnly) && (hints & ImhDialableCharactersOnly));
     TInt flags;
     Qt::InputMethodHints oldHints = hints;
@@ -371 +399 @@
     if (!noOnlys) {
         // Make sure that the preference is within the permitted set.
-        if (hints & ImhPreferNumbers && !(hints & ImhDigitsOnly || hints & ImhFormattedNumbersOnly
-                || hints & ImhDialableCharactersOnly)) {
+        if (hints & ImhPreferNumbers && !anynumbermodes) {
             hints &= ~ImhPreferNumbers;
         } else if (hints & ImhPreferUppercase && !(hints & ImhUppercaseOnly)) {
@@ -385 +412 @@
             } else if (hints & ImhUppercaseOnly) {
                 hints |= ImhPreferUppercase;
-            } else if (hints & ImhDigitsOnly || hints & ImhFormattedNumbersOnly
-                    || hints & ImhDialableCharactersOnly) {
+            } else if (numbersOnly) {
                 hints |= ImhPreferNumbers;
             }
@@ -400 +426 @@
     }
     flags = 0;
-    if (numbersOnly) {
+    if (noOnlys || (anynumbermodes && anytextmodes)) {
+        flags = EAknEditorAllInputModes;
+    }
+    else if (anynumbermodes) {
         flags |= EAknEditorNumericInputMode;
-    }
-    if (hints & ImhUppercaseOnly || hints & ImhLowercaseOnly) {
+        if (QSysInfo::s60Version() > QSysInfo::SV_S60_5_0
+            && ((hints & ImhFormattedNumbersOnly) || (hints & ImhDialableCharactersOnly))) {
+            //workaround - the * key does not launch the symbols menu, making it impossible to use these modes unless text mode is enabled.
+            flags |= EAknEditorTextInputMode;
+        }
+    }
+    else if (anytextmodes) {
         flags |= EAknEditorTextInputMode;
     }
-    if (flags == 0) {
+    else {
         flags = EAknEditorAllInputModes;
     }
@@ -453 +487 @@
         flags |= EAknEditorFlagNoT9;
     }
+    if (needsCharMap)
+        flags |= EAknEditorFlagUseSCTNumericCharmap;
     m_fepState->SetFlags(flags);
     ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateFlagsUpdate);
 
-    if (hints & ImhFormattedNumbersOnly) {
+    if (hints & ImhDialableCharactersOnly) {
+        // This is first, because if (ImhDialableCharactersOnly | ImhFormattedNumbersOnly)
+        // is specified, this one is more natural (# key enters a #)
+        flags = EAknEditorStandardNumberModeKeymap;
+    } else if (hints & ImhFormattedNumbersOnly) {
+        // # key enters decimal point
         flags = EAknEditorCalculatorNumberModeKeymap;
     } else if (hints & ImhDigitsOnly) {
+        // This is last, because it is most restrictive (# key is inactive)
         flags = EAknEditorPlainNumberModeKeymap;
     } else {
-        // ImhDialableCharactersOnly is the fallback as well, so we don't need to check for
-        // that flag.
         flags = EAknEditorStandardNumberModeKeymap;
     }
     m_fepState->SetNumericKeymap(static_cast<TAknEditorNumericKeymap>(flags));
 
-    if (hints & ImhEmailCharactersOnly) {
+    if (hints & ImhUrlCharactersOnly) {
+        // URL characters is everything except space, so a superset of the other restrictions
+        m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_URL_SPECIAL_CHARACTER_TABLE_DIALOG);
+    } else if (hints & ImhEmailCharactersOnly) {
         m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_EMAIL_ADDR_SPECIAL_CHARACTER_TABLE_DIALOG);
-    } else if (hints & ImhUrlCharactersOnly) {
-        m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_URL_SPECIAL_CHARACTER_TABLE_DIALOG);
+    } else if (needsCharMap) {
+        m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_SPECIAL_CHARACTER_TABLE_DIALOG);
     } else {
-        m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_SPECIAL_CHARACTER_TABLE_DIALOG);
+        m_fepState->SetSpecialCharacterTableResourceId(0);
     }
 
@@ -485 +528 @@
 {
     TCharFormat cFormat;
-    const QColor styleTextColor = focusWidget() ? focusWidget()->palette().text().color() : 
-        QApplication::palette("QLineEdit").text().color();
-    const TLogicalRgb fontColor(TRgb(styleTextColor.red(), styleTextColor.green(), styleTextColor.blue(), styleTextColor.alpha()));
-    cFormat.iFontPresentation.iTextColor = fontColor;
+    QColor styleTextColor;
+    if (QWidget *focused = focusWidget()) {
+        QGraphicsView *gv = qobject_cast<QGraphicsView*>(focused);
+        if (!gv) // could be either the QGV or its viewport that has focus
+            gv = qobject_cast<QGraphicsView*>(focused->parentWidget());
+        if (gv) {
+            if (QGraphicsScene *scene = gv->scene()) {
+                if (QGraphicsItem *focusItem = scene->focusItem()) {
+                    if (focusItem->isWidget()) {
+                        styleTextColor = static_cast<QGraphicsWidget*>(focusItem)->palette().text().color();
+                    }
+                }
+            }
+        } else {
+            styleTextColor = focused->palette().text().color();
+        }
+    } else {
+        styleTextColor = QApplication::palette("QLineEdit").text().color();
+    }
+
+    if (styleTextColor.isValid()) {
+        const TLogicalRgb fontColor(TRgb(styleTextColor.red(), styleTextColor.green(), styleTextColor.blue(), styleTextColor.alpha()));
+        cFormat.iFontPresentation.iTextColor = fontColor;
+    }
 
     TInt numChars = 0;
@@ -502 +565 @@
                                                         charPos,
                                                         numChars,
-                                                        QVariant(qt_TCharFormat2QTextCharFormat(cFormat))));
+                                                        QVariant(qt_TCharFormat2QTextCharFormat(cFormat, styleTextColor.isValid()))));
         charPos += numChars;
         if (charPos >= m_preeditString.size()) {
@@ -553 +616 @@
     commitTemporaryPreeditString();
 
-    m_cursorPos = w->inputMethodQuery(Qt::ImCursorPosition).toInt();
-    
     QList<QInputMethodEvent::Attribute> attributes;
 
@@ -569 +630 @@
     if (m_preeditString.isEmpty()) {
         int anchor = w->inputMethodQuery(Qt::ImAnchorPosition).toInt();
-        int replacementLength = qAbs(m_cursorPos-anchor);
+        int cursorPos = w->inputMethodQuery(Qt::ImCursorPosition).toInt();
+        int replacementLength = qAbs(cursorPos-anchor);
         if (replacementLength > 0) {
-            int replacementStart = m_cursorPos < anchor ? 0 : -replacementLength;
+            int replacementStart = cursorPos < anchor ? 0 : -replacementLength;
             QList<QInputMethodEvent::Attribute> clearSelectionAttributes;
             QInputMethodEvent clearSelectionEvent(QLatin1String(""), clearSelectionAttributes);
@@ -596 +658 @@
         return;
 
+    commitTemporaryPreeditString();
+
     m_inlinePosition = aPositionOfInsertionPointInInlineText;
 
@@ -604 +668 @@
                                                    m_cursorVisibility,
                                                    QVariant()));
-    m_preeditString = qt_TDesC2QString(aNewInlineText);
-    QInputMethodEvent event(m_preeditString, attributes);
+    QString newPreeditString = qt_TDesC2QString(aNewInlineText);
+    QInputMethodEvent event(newPreeditString, attributes);
+    if (newPreeditString.isEmpty() && m_preeditString.isEmpty()) {
+        // In Symbian world this means "erase last character".
+        event.setCommitString(QLatin1String(""), -1, 1);
+    }
+    m_preeditString = newPreeditString;
     sendEvent(event);
 }
@@ -628 +697 @@
 void QCoeFepInputContext::CancelFepInlineEdit()
 {
+    // We are not supposed to ever have a tempPreeditString and a real preedit string
+    // from S60 at the same time, so it should be safe to rely on this test to determine
+    // whether we should honor S60's request to clear the text or not.
+    if (m_hasTempPreeditString)
+        return;
+
     QList<QInputMethodEvent::Attribute> attributes;
     QInputMethodEvent event(QLatin1String(""), attributes);
     event.setCommitString(QLatin1String(""), 0, 0);
     m_preeditString.clear();
+    m_inlinePosition = 0;
     sendEvent(event);
 }
@@ -775 +851 @@
 void QCoeFepInputContext::commitCurrentString(bool cancelFepTransaction)
 {
-    int longPress = 0;
-
-    if (m_preeditString.size() == 0) {
-        QWidget *w = focusWidget();
-        if (!cancelFepTransaction && w) {
-            // We must replace the last character only if the input box has already accepted one 
-            if (w->inputMethodQuery(Qt::ImCursorPosition).toInt() != m_cursorPos)
-                longPress = 1;
-        }
-    }
-
     QList<QInputMethodEvent::Attribute> attributes;
     QInputMethodEvent event(QLatin1String(""), attributes);
-    event.setCommitString(m_preeditString, 0-longPress, longPress);
+    event.setCommitString(m_preeditString, 0, 0);
     m_preeditString.clear();
+    m_inlinePosition = 0;
     sendEvent(event);
 
     m_hasTempPreeditString = false;
-    longPress = 0;
 
     if (cancelFepTransaction) {