Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 292 insertions, 0 deletions

diff --git a/libkdepim/ktimeedit.cpp b/libkdepim/ktimeedit.cpp
new file mode 100644
index 000000000..e9758110b
--- /dev/null
+++ b/libkdepim/ktimeedit.cpp
@@ -0,0 +1,292 @@
+/*
+    This file is part of libkdepim.
+
+    Copyright (c) 1999 Preston Brown <pbrown@kde.org>
+    Copyright (c) 1999 Ian Dawes <iadawes@globalserve.net>
+    Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+    As a special exception, permission is given to link this program
+    with any edition of Qt, and distribute the resulting executable,
+    without including the source code for Qt in the source distribution.
+*/
+
+#include <qkeycode.h>
+#include <qcombobox.h>
+#include <qdatetime.h>
+#include <qlineedit.h>
+
+#include <kmessagebox.h>
+#include <kglobal.h>
+#include <kdebug.h>
+#include <klocale.h>
+
+#include "ktimeedit.h"
+#include <qvalidator.h>
+#include "ktimeedit.moc"
+
+// Validator for a time value with only hours and minutes (no seconds)
+// Mostly locale aware. Author: David Faure <faure@kde.org>
+class KOTimeValidator : public QValidator
+{
+public:
+    KOTimeValidator(QWidget* parent, const char* name=0) : QValidator(parent, name) {}
+
+    virtual State validate(QString& str, int& /*cursorPos*/) const
+    {
+        int length = str.length();
+        // empty string is intermediate so one can clear the edit line and start from scratch
+        if ( length <= 0 )
+            return Intermediate;
+
+        bool ok = false;
+        /*QTime time =*/ KGlobal::locale()->readTime(str, KLocale::WithoutSeconds, &ok);
+        if ( ok )
+            return Acceptable;
+//         kdDebug(5300)<<"Time "<<str<<" not directly acceptable, trying military format "<<endl;
+        // Also try to accept times in "military format", i.e. no delimiter, like 1200
+        int tm = str.toInt( &ok );
+        if ( ok && ( 0 <= tm ) ) {
+          if ( ( tm < 2400 ) && ( tm%100 < 60 ) )
+            return Acceptable;
+          else
+            return Intermediate;
+        }
+//         kdDebug(5300)<<str<<" not acceptable or intermediate for military format, either "<<str<<endl;
+
+        // readTime doesn't help knowing when the string is "Intermediate".
+        // HACK. Not fully locale aware etc. (esp. the separator is '.' in sv_SE...)
+        QChar sep = ':';
+        // I want to allow "HH:", ":MM" and ":" to make editing easier
+        if ( str[0] == sep )
+        {
+            if ( length == 1 ) // just ":"
+                return Intermediate;
+            QString minutes = str.mid(1);
+            int m = minutes.toInt(&ok);
+            if ( ok && m >= 0 && m < 60 )
+                return Intermediate;
+        } else if ( str[str.length()-1] == sep )
+        {
+            QString hours = str.left(length-1);
+            int h = hours.toInt(&ok);
+            if ( ok && h >= 0 && h < 24 )
+                return Intermediate;
+        }
+//        return Invalid;
+        return Intermediate;
+    }
+    virtual void fixup ( QString & input ) const {
+      bool ok = false;
+      KGlobal::locale()->readTime( input, KLocale::WithoutSeconds, &ok );
+      if ( !ok ) {
+        // Also try to accept times in "military format", i.e. no delimiter, like 1200
+        int tm = input.toInt( &ok );
+        if ( ( 0 <= tm ) && ( tm < 2400 ) && ( tm%100 < 60 ) && ok ) {
+          input = KGlobal::locale()->formatTime( QTime( tm / 100, tm % 100, 0 ) );
+        }
+      }
+    }
+};
+
+// KTimeWidget/QTimeEdit provide nicer editing, but don't provide a combobox.
+// Difficult to get all in one...
+// But Qt-3.2 will offer QLineEdit::setMask, so a "99:99" mask would help.
+KTimeEdit::KTimeEdit( QWidget *parent, QTime qt, const char *name )
+  : QComboBox( true, parent, name )
+{
+  setInsertionPolicy( NoInsertion );
+  setValidator( new KOTimeValidator( this ) );
+
+  mTime = qt;
+
+//  mNoTimeString = i18n("No Time");
+//  insertItem( mNoTimeString );
+
+  // Fill combo box with selection of times in localized format.
+  QTime timeEntry(0,0,0);
+  do {
+    insertItem(KGlobal::locale()->formatTime(timeEntry));
+    timeEntry = timeEntry.addSecs(60*15);
+  } while (!timeEntry.isNull());
+  // Add end of day.
+  insertItem( KGlobal::locale()->formatTime( QTime( 23, 59, 59 ) ) );
+
+  updateText();
+  setFocusPolicy(QWidget::StrongFocus);
+
+  connect(this, SIGNAL(activated(int)), this, SLOT(active(int)));
+  connect(this, SIGNAL(highlighted(int)), this, SLOT(hilit(int)));
+  connect(this, SIGNAL(textChanged(const QString&)),this,SLOT(changedText()));
+}
+
+KTimeEdit::~KTimeEdit()
+{
+}
+
+bool KTimeEdit::hasTime() const
+{
+  // Can't happen
+  if ( currentText().isEmpty() ) return false;
+  //if ( currentText() == mNoTimeString ) return false;
+
+  return true; // always
+}
+
+QTime KTimeEdit::getTime() const
+{
+  //kdDebug(5300) << "KTimeEdit::getTime(), currentText() = " << currentText() << endl;
+  // TODO use KLocale::WithoutSeconds in HEAD
+  bool ok = false;
+  QTime time = KGlobal::locale()->readTime( currentText(), KLocale::WithoutSeconds, &ok );
+  if ( !ok ) {
+    // Also try to accept times in "military format", i.e. no delimiter, like 1200
+    int tm = currentText().toInt( &ok );
+    if ( ( 0 <= tm ) && ( tm < 2400 ) && ( tm%100 < 60 ) && ok ) {
+      time.setHMS( tm / 100, tm % 100, 0 );
+    } else {
+      ok = false;
+    }
+  }
+  kdDebug(5300) << "KTimeEdit::getTime(): " << time.toString() << endl;
+  return time;
+}
+
+QSizePolicy  KTimeEdit::sizePolicy() const
+{
+  // Set size policy to Fixed, because edit cannot contain more text than the
+  // string representing the time. It doesn't make sense to provide more space.
+  QSizePolicy sizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
+
+  return sizePolicy;
+}
+
+void KTimeEdit::setTime(QTime newTime)
+{
+  if ( mTime != newTime )
+  {
+    kdDebug(5300) << "KTimeEdit::setTime(): " << newTime.toString() << endl;
+
+    mTime = newTime;
+    updateText();
+  }
+}
+
+void KTimeEdit::active(int i)
+{
+    // The last entry, 23:59, is a special case
+    if( i == count() - 1 )
+        mTime = QTime( 23, 59, 0 );
+    else
+        mTime = QTime(0,0,0).addSecs(i*15*60);
+    emit timeChanged(mTime);
+}
+
+void KTimeEdit::hilit(int )
+{
+  // we don't currently need to do anything here.
+}
+
+void KTimeEdit::addTime(QTime qt)
+{
+  // Calculate the new time.
+  mTime = qt.addSecs(mTime.minute()*60+mTime.hour()*3600);
+  updateText();
+  emit timeChanged(mTime);
+}
+
+void KTimeEdit::subTime(QTime qt)
+{
+  int h, m;
+
+  // Note that we cannot use the same method for determining the new
+  // time as we did in addTime, because QTime does not handle adding
+  // negative seconds well at all.
+  h = mTime.hour()-qt.hour();
+  m = mTime.minute()-qt.minute();
+
+  if(m < 0) {
+    m += 60;
+    h -= 1;
+  }
+
+  if(h < 0) {
+    h += 24;
+  }
+
+  // store the newly calculated time.
+  mTime.setHMS(h, m, 0);
+  updateText();
+  emit timeChanged(mTime);
+}
+
+void KTimeEdit::keyPressEvent(QKeyEvent *qke)
+{
+  switch(qke->key()) {
+  case Key_Down:
+    addTime(QTime(0,1,0));
+    break;
+  case Key_Up:
+    subTime(QTime(0,1,0));
+    break;
+  case Key_Prior:
+    subTime(QTime(1,0,0));
+    break;
+  case Key_Next:
+    addTime(QTime(1,0,0));
+    break;
+  default:
+    QComboBox::keyPressEvent(qke);
+    break;
+  } // switch
+}
+
+void KTimeEdit::updateText()
+{
+//  kdDebug(5300) << "KTimeEdit::updateText() " << endl;
+  QString s = KGlobal::locale()->formatTime(mTime);
+  // Set the text but without emitting signals, nor losing the cursor position
+  QLineEdit *line = lineEdit();
+  line->blockSignals(true);
+  int pos = line->cursorPosition();
+
+  // select item with nearest time, must be done while line edit is blocked
+  // as setCurrentItem() calls setText() with triggers KTimeEdit::changedText()
+  setCurrentItem((mTime.hour()*4)+((mTime.minute()+7)/15));
+
+  line->setText(s);
+  line->setCursorPosition(pos);
+  line->blockSignals(false);
+
+//  kdDebug(5300) << "KTimeEdit::updateText(): " << s << endl;
+}
+
+bool KTimeEdit::inputIsValid() const
+{
+  int cursorPos = lineEdit()->cursorPosition();
+  QString str = currentText();
+  return validator()->validate( str, cursorPos ) == QValidator::Acceptable;
+}
+
+void KTimeEdit::changedText()
+{
+  //kdDebug(5300) << "KTimeEdit::changedText()" << endl;
+  if ( inputIsValid() )
+  {
+    mTime = getTime();
+    emit timeChanged(mTime);
+  }
+}