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00022 #include <stdlib.h>
00023 #include <limits.h>
00024
00025 #include <qpainter.h>
00026 #include <qpixmap.h>
00027 #include <qlabel.h>
00028 #include <qlayout.h>
00029 #include <qpushbutton.h>
00030 #include <qstring.h>
00031 #include <qregexp.h>
00032 #include <qstyle.h>
00033 #include <qtimer.h>
00034
00035 #include "kprogress.h"
00036
00037 #include <kapplication.h>
00038 #include <klocale.h>
00039 #include <kwin.h>
00040
00041 KProgress::KProgress(QWidget *parent, const char *name, WFlags f)
00042 : QProgressBar(parent, name, f),
00043 mFormat("%p%")
00044 {
00045 setProgress(0);
00046 }
00047
00048 KProgress::KProgress(int totalSteps, QWidget *parent, const char *name, WFlags f)
00049 : QProgressBar(totalSteps, parent, name, f),
00050 mFormat("%p%")
00051 {
00052 setProgress(0);
00053 }
00054
00055 KProgress::~KProgress()
00056 {
00057 }
00058
00059 void KProgress::advance(int offset)
00060 {
00061 setProgress(progress() + offset);
00062 }
00063
00064 void KProgress::setTotalSteps(int totalSteps)
00065 {
00066 QProgressBar::setTotalSteps(totalSteps);
00067
00068 if (totalSteps)
00069 {
00070 emit percentageChanged((progress() * 100) / totalSteps);
00071 }
00072 }
00073
00074 void KProgress::setProgress(int progress)
00075 {
00076 QProgressBar::setProgress(progress);
00077
00078 if (totalSteps())
00079 {
00080 emit percentageChanged((progress * 100) / totalSteps());
00081 }
00082 }
00083
00084
00085 void KProgress::setValue(int progress)
00086 {
00087 setProgress(progress);
00088 }
00089
00090
00091 void KProgress::setRange(int , int max)
00092 {
00093 setTotalSteps(max);
00094 }
00095
00096
00097 int KProgress::maxValue()
00098 {
00099 return totalSteps();
00100 }
00101
00102 void KProgress::setTextEnabled(bool enable)
00103 {
00104 setPercentageVisible(enable);
00105 }
00106
00107 bool KProgress::textEnabled() const
00108 {
00109 return percentageVisible();
00110 }
00111
00112 void KProgress::setFormat(const QString & format)
00113 {
00114 mFormat = format;
00115 if (mFormat != "%p%")
00116 setCenterIndicator(true);
00117 }
00118
00119 QString KProgress::format() const
00120 {
00121 return mFormat;
00122 }
00123
00124
00125 int KProgress::value() const
00126 {
00127 return progress();
00128 }
00129
00130 bool KProgress::setIndicator(QString &indicator, int progress, int totalSteps)
00131 {
00132 if (!totalSteps)
00133 return false;
00134 QString newString(mFormat);
00135 newString.replace(QString::fromLatin1("%v"),
00136 QString::number(progress));
00137 newString.replace(QString::fromLatin1("%m"),
00138 QString::number(totalSteps));
00139
00140 if (totalSteps > INT_MAX / 1000) {
00141 progress /= 1000;
00142 totalSteps /= 1000;
00143 }
00144
00145 newString.replace(QString::fromLatin1("%p"),
00146 QString::number((progress * 100) / totalSteps));
00147
00148 if (newString != indicator)
00149 {
00150 indicator = newString;
00151 return true;
00152 }
00153
00154 return false;
00155 }
00156
00157 struct KProgressDialog::KProgressDialogPrivate
00158 {
00159 KProgressDialogPrivate() : cancelButtonShown(true)
00160 {
00161 }
00162
00163 bool cancelButtonShown;
00164 };
00165
00166
00167
00168
00169 KProgressDialog::KProgressDialog(QWidget* parent, const char* name,
00170 const QString& caption, const QString& text,
00171 bool modal)
00172 : KDialogBase(KDialogBase::Plain, caption, KDialogBase::Cancel,
00173 KDialogBase::Cancel, parent, name, modal),
00174 mAutoClose(true),
00175 mAutoReset(false),
00176 mCancelled(false),
00177 mAllowCancel(true),
00178 mShown(false),
00179 mMinDuration(2000),
00180 d(new KProgressDialogPrivate)
00181 {
00182 #ifdef Q_WS_X11
00183 KWin::setIcons(winId(), kapp->icon(), kapp->miniIcon());
00184 #endif
00185 mShowTimer = new QTimer(this);
00186
00187 showButton(KDialogBase::Close, false);
00188 mCancelText = actionButton(KDialogBase::Cancel)->text();
00189
00190 QFrame* mainWidget = plainPage();
00191 QVBoxLayout* layout = new QVBoxLayout(mainWidget, 10);
00192
00193 mLabel = new QLabel(text, mainWidget);
00194 layout->addWidget(mLabel);
00195
00196 mProgressBar = new KProgress(mainWidget);
00197 layout->addWidget(mProgressBar);
00198
00199 connect(mProgressBar, SIGNAL(percentageChanged(int)),
00200 this, SLOT(slotAutoActions(int)));
00201 connect(mShowTimer, SIGNAL(timeout()), this, SLOT(slotAutoShow()));
00202 mShowTimer->start(mMinDuration, true);
00203 }
00204
00205 KProgressDialog::~KProgressDialog()
00206 {
00207 delete d;
00208 }
00209
00210 void KProgressDialog::slotAutoShow()
00211 {
00212 if (mShown || mCancelled)
00213 {
00214 return;
00215 }
00216
00217 show();
00218 kapp->processEvents();
00219 }
00220
00221 void KProgressDialog::slotCancel()
00222 {
00223 mCancelled = true;
00224
00225 if (mAllowCancel)
00226 {
00227 KDialogBase::slotCancel();
00228 }
00229 }
00230
00231 bool KProgressDialog::wasCancelled()
00232 {
00233 return mCancelled;
00234 }
00235
00236 bool KProgressDialog::wasCancelled() const
00237 {
00238 return mCancelled;
00239 }
00240
00241 void KProgressDialog::setMinimumDuration(int ms)
00242 {
00243 mMinDuration = ms;
00244 if (!mShown)
00245 {
00246 mShowTimer->stop();
00247 mShowTimer->start(mMinDuration, true);
00248 }
00249 }
00250
00251 int KProgressDialog::minimumDuration()
00252 {
00253 return mMinDuration;
00254 }
00255
00256 int KProgressDialog::minimumDuration() const
00257 {
00258 return mMinDuration;
00259 }
00260
00261 void KProgressDialog::setAllowCancel(bool allowCancel)
00262 {
00263 mAllowCancel = allowCancel;
00264 showCancelButton(allowCancel);
00265 }
00266
00267
00268 bool KProgressDialog::allowCancel()
00269 {
00270 return mAllowCancel;
00271 }
00272
00273 bool KProgressDialog::allowCancel() const
00274 {
00275 return mAllowCancel;
00276 }
00277
00278 KProgress* KProgressDialog::progressBar()
00279 {
00280 return mProgressBar;
00281 }
00282
00283 const KProgress* KProgressDialog::progressBar() const
00284 {
00285 return mProgressBar;
00286 }
00287
00288 void KProgressDialog::setLabel(const QString& text)
00289 {
00290 mLabel->setText(text);
00291 }
00292
00293
00294 QString KProgressDialog::labelText()
00295 {
00296 return mLabel->text();
00297 }
00298
00299 QString KProgressDialog::labelText() const
00300 {
00301 return mLabel->text();
00302 }
00303
00304 void KProgressDialog::showCancelButton(bool show)
00305 {
00306 showButtonCancel(show);
00307 }
00308
00309
00310 bool KProgressDialog::autoClose()
00311 {
00312 return mAutoClose;
00313 }
00314
00315 bool KProgressDialog::autoClose() const
00316 {
00317 return mAutoClose;
00318 }
00319
00320 void KProgressDialog::setAutoClose(bool autoClose)
00321 {
00322 mAutoClose = autoClose;
00323 }
00324
00325
00326 bool KProgressDialog::autoReset()
00327 {
00328 return mAutoReset;
00329 }
00330
00331 bool KProgressDialog::autoReset() const
00332 {
00333 return mAutoReset;
00334 }
00335
00336 void KProgressDialog::setAutoReset(bool autoReset)
00337 {
00338 mAutoReset = autoReset;
00339 }
00340
00341 void KProgressDialog::setButtonText(const QString& text)
00342 {
00343 mCancelText = text;
00344 setButtonCancel(text);
00345 }
00346
00347
00348 QString KProgressDialog::buttonText()
00349 {
00350 return mCancelText;
00351 }
00352
00353 QString KProgressDialog::buttonText() const
00354 {
00355 return mCancelText;
00356 }
00357
00358 void KProgressDialog::slotAutoActions(int percentage)
00359 {
00360 if (percentage < 100)
00361 {
00362 if (!d->cancelButtonShown)
00363 {
00364 setButtonCancel(mCancelText);
00365 d->cancelButtonShown = true;
00366 }
00367 return;
00368 }
00369
00370 mShowTimer->stop();
00371
00372 if (mAutoReset)
00373 {
00374 mProgressBar->setProgress(0);
00375 }
00376 else
00377 {
00378 setAllowCancel(true);
00379 setButtonCancel(KStdGuiItem::close());
00380 d->cancelButtonShown = false;
00381 }
00382
00383 if (mAutoClose)
00384 {
00385 if (mShown)
00386 {
00387 hide();
00388 }
00389 else
00390 {
00391 emit finished();
00392 }
00393 }
00394 }
00395
00396 void KProgressDialog::show()
00397 {
00398 KDialogBase::show();
00399 mShown = true;
00400 }
00401
00402
00403 void KProgress::virtual_hook( int, void* )
00404 { }
00405
00406 void KProgressDialog::virtual_hook( int id, void* data )
00407 { KDialogBase::virtual_hook( id, data ); }
00408
00409 #include "kprogress.moc"