Replace rotating hourglass with less gaudy busy indicator. If you're running calibre from bzr, you will have to run python setup.py build to be able to run the GUI

setup/extensions.py

@@ -112,6 +112,13 @@ extensions = [
                 sip_files = ['calibre/gui2/pictureflow/pictureflow.sip']
                 ),
 
+    Extension('progress_indicator',
+                ['calibre/gui2/progress_indicator/QProgressIndicator.cpp'],
+                inc_dirs = ['calibre/gui2/progress_indicator'],
+                headers = ['calibre/gui2/progress_indicator/QProgressIndicator.h'],
+                sip_files = ['calibre/gui2/progress_indicator/QProgressIndicator.sip']
+                ),
+
     ]
 
 

src/calibre/constants.py

@@ -55,7 +55,7 @@ if plugins is None:
         sys.path.insert(0, plugin_path)
 
         for plugin in ['pictureflow', 'lzx', 'msdes', 'podofo', 'cPalmdoc',
-            'fontconfig', 'pdfreflow'] + \
+            'fontconfig', 'pdfreflow', 'progress_indicator'] + \
                     (['winutil'] if iswindows else []) + \
                     (['usbobserver'] if isosx else []):
             try:

src/calibre/gui2/progress_indicator/QProgressIndicator.cpp

@@ -0,0 +1,124 @@
+#include "QProgressIndicator.h"
+
+#include <QPainter>
+
+QProgressIndicator::QProgressIndicator(QWidget* parent, int size)
+        : QWidget(parent),
+        m_angle(0),
+        m_timerId(-1),
+        m_delay(80),
+        m_displayedWhenStopped(true),
+        m_displaySize(size),
+        m_color(Qt::black)
+{
+    setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+    setFocusPolicy(Qt::NoFocus);
+}
+
+bool QProgressIndicator::isAnimated () const
+{
+    return (m_timerId != -1);
+}
+
+void QProgressIndicator::setDisplayedWhenStopped(bool state)
+{
+    m_displayedWhenStopped = state;
+
+    update();
+}
+
+void QProgressIndicator::setDisplaySize(int size) 
+{ 
+    m_displaySize = size; 
+    update(); 
+}
+
+
+bool QProgressIndicator::isDisplayedWhenStopped() const
+{
+    return m_displayedWhenStopped;
+}
+
+void QProgressIndicator::startAnimation()
+{
+    m_angle = 0;
+
+    if (m_timerId == -1)
+        m_timerId = startTimer(m_delay);
+}
+
+void QProgressIndicator::stopAnimation()
+{
+    if (m_timerId != -1)
+        killTimer(m_timerId);
+
+    m_timerId = -1;
+
+    update();
+}
+
+void QProgressIndicator::setAnimationDelay(int delay)
+{
+    if (m_timerId != -1)
+        killTimer(m_timerId);
+
+    m_delay = delay;
+
+    if (m_timerId != -1)
+        m_timerId = startTimer(m_delay);
+}
+
+void QProgressIndicator::setColor(const QColor & color)
+{
+    m_color = color;
+
+    update();
+}
+
+QSize QProgressIndicator::sizeHint() const
+{
+    return QSize(m_displaySize, m_displaySize);
+}
+
+int QProgressIndicator::heightForWidth(int w) const
+{
+    return w;
+}
+
+void QProgressIndicator::timerEvent(QTimerEvent * /*event*/)
+{
+    m_angle = (m_angle+30)%360;
+
+    update();
+}
+
+void QProgressIndicator::paintEvent(QPaintEvent * /*event*/)
+{
+    if (!m_displayedWhenStopped && !isAnimated())
+        return;
+
+    int width = qMin(this->width(), this->height());
+    
+    QPainter p(this);
+    p.setRenderHint(QPainter::Antialiasing);
+    
+    int outerRadius = (width-1)*0.5;
+    int innerRadius = (width-1)*0.5*0.38;
+
+    int capsuleHeight = outerRadius - innerRadius;
+    int capsuleWidth  = (width > 32 ) ? capsuleHeight *.23 : capsuleHeight *.35;
+    int capsuleRadius = capsuleWidth/2;
+
+    for (int i=0; i<12; i++)
+    {
+        QColor color = m_color;
+        color.setAlphaF(1.0f - (i/12.0f));
+        p.setPen(Qt::NoPen);
+        p.setBrush(color);       
+        p.save();
+        p.translate(rect().center());
+        p.rotate(m_angle - i*30.0f);
+        p.drawRoundedRect(-capsuleWidth*0.5, -(innerRadius+capsuleHeight), capsuleWidth, capsuleHeight, capsuleRadius, capsuleRadius);
+        p.restore();
+    }
+}

src/calibre/gui2/progress_indicator/QProgressIndicator.h

@@ -0,0 +1,93 @@
+#pragma once
+
+#include <QWidget>
+#include <QColor>
+
+/*! 
+    \class QProgressIndicator
+    \brief The QProgressIndicator class lets an application display a progress indicator to show that a lengthy task is under way. 
+ 
+    Progress indicators are indeterminate and do nothing more than spin to show that the application is busy.
+    \sa QProgressBar
+*/
+class QProgressIndicator : public QWidget
+{
+    Q_OBJECT
+    Q_PROPERTY(int delay READ animationDelay WRITE setAnimationDelay)
+    Q_PROPERTY(bool displayedWhenStopped READ isDisplayedWhenStopped WRITE setDisplayedWhenStopped)
+    Q_PROPERTY(QColor color READ color WRITE setColor)
+    Q_PROPERTY(int displaySize READ displaySize WRITE setDisplaySize)
+public:
+    QProgressIndicator(QWidget* parent = 0, int size = 64);
+
+    /*! Returns the delay between animation steps.
+        \return The number of milliseconds between animation steps. By default, the animation delay is set to 80 milliseconds.
+        \sa setAnimationDelay
+     */
+    int animationDelay() const { return m_delay; }
+
+    /*! Returns a Boolean value indicating whether the component is currently animated.
+        \return Animation state.
+        \sa startAnimation stopAnimation
+     */
+    bool isAnimated () const;
+
+    /*! Returns a Boolean value indicating whether the receiver shows itself even when it is not animating.
+        \return Return true if the progress indicator shows itself even when it is not animating. By default, it returns false.
+        \sa setDisplayedWhenStopped
+     */
+    bool isDisplayedWhenStopped() const;
+
+    /*! Returns the color of the component.
+        \sa setColor
+      */
+    const QColor & color() const { return m_color; }
+
+    virtual QSize sizeHint() const;
+    int heightForWidth(int w) const;
+    int displaySize() const { return m_displaySize; }
+public slots:
+    /*! Starts the spin animation.
+        \sa stopAnimation isAnimated
+     */
+    void startAnimation();
+
+    /*! Stops the spin animation.
+        \sa startAnimation isAnimated
+     */
+    void stopAnimation();
+
+    /*! Sets the delay between animation steps.
+        Setting the \a delay to a value larger than 40 slows the animation, while setting the \a delay to a smaller value speeds it up.
+        \param delay The delay, in milliseconds. 
+        \sa animationDelay 
+     */
+    void setAnimationDelay(int delay);
+
+    /*! Sets whether the component hides itself when it is not animating. 
+       \param state The animation state. Set false to hide the progress indicator when it is not animating; otherwise true.
+       \sa isDisplayedWhenStopped
+     */
+    void setDisplayedWhenStopped(bool state);
+
+    /*! Sets the color of the components to the given color.
+        \sa color
+     */
+    void setColor(const QColor & color);
+
+    /*! Set the size of this widget (used by sizeHint)
+     * \sa displaySize
+     */
+    void setDisplaySize(int size);
+protected:
+    virtual void timerEvent(QTimerEvent * event); 
+    virtual void paintEvent(QPaintEvent * event);
+private:
+    int m_angle;
+    int m_timerId;
+    int m_delay;
+    int m_displaySize;
+    bool m_displayedWhenStopped;
+    QColor m_color;
+};
+

src/calibre/gui2/progress_indicator/QProgressIndicator.sip

@@ -0,0 +1,52 @@
+//Define the SIP wrapper to the QProgressIndicator widget
+//Author - Kovid Goyal <kovid@kovidgoyal.net>
+
+%Module progress_indicator 1
+
+%Import QtCore/QtCoremod.sip
+%Import QtGui/QtGuimod.sip
+
+class QProgressIndicator : QWidget {
+
+%TypeHeaderCode
+#include <QProgressIndicator.h>
+%End
+
+public:
+
+    QProgressIndicator(QWidget *parent /TransferThis/ = 0, int size = 64);
+
+    int animationDelay() const;
+
+    bool isAnimated () const;
+
+    bool isDisplayedWhenStopped() const;
+
+    const QColor & color() const;
+
+    virtual QSize sizeHint() const;
+
+    int heightForWidth(int w) const;
+    
+    int displaySize() const;
+
+public slots:
+    void startAnimation();
+
+    void stopAnimation();
+
+    void setAnimationDelay(int delay);
+
+    void setDisplayedWhenStopped(bool state);
+
+    void setColor(const QColor & color);
+
+    void setDisplaySize(int size);
+
+protected:
+    
+    virtual void timerEvent(QTimerEvent * event); 
+
+    virtual void paintEvent(QPaintEvent * event);
+
+};

src/calibre/gui2/progress_indicator/__init__.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
+from __future__ import with_statement
+
+__license__   = 'GPL v3'
+__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
+__docformat__ = 'restructuredtext en'
+
+
+from calibre.constants import plugins
+pi, pi_error = plugins['progress_indicator']
+
+if pi_error:
+    raise RuntimeError('Failed to load the Progress Indicator plugin: '+\
+            pi_error)
+
+ProgressIndicator = pi.QProgressIndicator

src/calibre/gui2/status.py

@@ -2,12 +2,13 @@ __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
 import os, re, collections
 
-from PyQt4.QtGui import QStatusBar, QMovie, QLabel, QWidget, QHBoxLayout, QPixmap, \
+from PyQt4.QtGui import QStatusBar, QLabel, QWidget, QHBoxLayout, QPixmap, \
                         QVBoxLayout, QSizePolicy, QToolButton, QIcon, QScrollArea, QFrame
 from PyQt4.QtCore import Qt, QSize, SIGNAL, QCoreApplication
 from calibre import fit_image, preferred_encoding, isosx
 from calibre.gui2 import qstring_to_unicode, config
 from calibre.gui2.widgets import IMAGE_EXTENSIONS
+from calibre.gui2.progress_indicator import ProgressIndicator
 from calibre.ebooks import BOOK_EXTENSIONS
 
 class BookInfoDisplay(QWidget):
@@ -138,14 +139,12 @@ class BookInfoDisplay(QWidget):
         self.setVisible(True)
 
 class MovieButton(QFrame):
-    def __init__(self, movie, jobs_dialog):
+
+    def __init__(self, jobs_dialog):
         QFrame.__init__(self)
-        movie.setCacheMode(QMovie.CacheAll)
         self.setLayout(QVBoxLayout())
-        self.movie_widget = QLabel()
-        self.movie_widget.setMovie(movie)
-        self.movie = movie
-        self.layout().addWidget(self.movie_widget)
+        self.pi = ProgressIndicator(self)
+        self.layout().addWidget(self.pi)
         self.jobs = QLabel('<b>'+_('Jobs:')+' 0')
         self.jobs.setAlignment(Qt.AlignHCenter|Qt.AlignBottom)
         self.layout().addWidget(self.jobs)
@@ -156,11 +155,8 @@ class MovieButton(QFrame):
         self.jobs_dialog = jobs_dialog
         self.setCursor(Qt.PointingHandCursor)
         self.setToolTip(_('Click to see list of active jobs.'))
-        movie.start()
-        movie.setPaused(True)
         self.jobs_dialog.jobs_view.restore_column_widths()
 
-
     def mouseReleaseEvent(self, event):
         if self.jobs_dialog.isVisible():
             self.jobs_dialog.jobs_view.write_settings()
@@ -170,6 +166,17 @@ class MovieButton(QFrame):
             self.jobs_dialog.show()
             self.jobs_dialog.jobs_view.restore_column_widths()
 
+    @property
+    def is_running(self):
+        return self.pi.isAnimated()
+
+    def start(self):
+        self.pi.startAnimation()
+
+    def stop(self):
+        self.pi.stopAnimation()
+
+
 class CoverFlowButton(QToolButton):
 
     def __init__(self, parent=None):
@@ -211,7 +218,7 @@ class StatusBar(QStatusBar):
     def __init__(self, jobs_dialog, systray=None):
         QStatusBar.__init__(self)
         self.systray = systray
-        self.movie_button = MovieButton(QMovie(I('jobs-animated.mng')), jobs_dialog)
+        self.movie_button = MovieButton(jobs_dialog)
         self.cover_flow_button = CoverFlowButton()
         self.tag_view_button = TagViewButton()
         self.addPermanentWidget(self.cover_flow_button)
@@ -262,8 +269,7 @@ class StatusBar(QStatusBar):
         num = self.jobs()
         text = src.replace(str(num), str(nnum))
         jobs.setText(text)
-        if self.movie_button.movie.state() == QMovie.Paused:
-            self.movie_button.movie.setPaused(False)
+        self.movie_button.start()
 
     def job_done(self, nnum):
         jobs = self.movie_button.jobs
@@ -275,49 +281,8 @@ class StatusBar(QStatusBar):
             self.no_more_jobs()
 
     def no_more_jobs(self):
-        if self.movie_button.movie.state() == QMovie.Running:
-            self.movie_button.movie.jumpToFrame(0)
-            self.movie_button.movie.setPaused(True)
+        if self.movie_button.is_running:
+            self.movie_button.stop()
             QCoreApplication.instance().alert(self, 5000)
 
-if __name__ == '__main__':
-    # Used to create the animated status icon
-    from PyQt4.Qt import QPainter, QSvgRenderer, QColor
-    from subprocess import check_call
-    from calibre.gui2 import is_ok_to_use_qt
-    is_ok_to_use_qt()
-
-    def create_pixmaps(path, size=16, delta=20):
-        r = QSvgRenderer(path)
-        if not r.isValid():
-            raise Exception(path + ' not valid svg')
-        pixmaps = []
-        for angle in range(0, 360+delta, delta):
-            pm = QPixmap(size, size)
-            pm.fill(QColor(0,0,0,0))
-            p = QPainter(pm)
-            p.translate(size/2., size/2.)
-            p.rotate(angle)
-            p.translate(-size/2., -size/2.)
-            r.render(p)
-            p.end()
-            pixmaps.append(pm)
-        return pixmaps
-
-    def create_mng(path='', size=64, angle=5, delay=5):
-        pixmaps = create_pixmaps(path, size, angle)
-        filesl = []
-        for i in range(len(pixmaps)):
-            name = 'a%s.png'%(i,)
-            filesl.append(name)
-            pixmaps[i].save(name, 'PNG')
-            filesc = ' '.join(filesl)
-        cmd = 'convert -dispose Background -delay '+str(delay)+ ' ' + filesc + ' -loop 0 animated.gif'
-        try:
-            check_call(cmd, shell=True)
-        finally:
-            for file in filesl:
-                os.remove(file)
-    import sys
-    create_mng(sys.argv[1])
 

src/calibre/gui2/viewer/main.py

@@ -5,7 +5,7 @@ import traceback, os, sys, functools, collections, re
 from functools import partial
 from threading import Thread
 
-from PyQt4.Qt import QMovie, QApplication, Qt, QIcon, QTimer, QWidget, SIGNAL, \
+from PyQt4.Qt import QApplication, Qt, QIcon, QTimer, SIGNAL, \
                      QDesktopServices, QDoubleSpinBox, QLabel, QTextBrowser, \
                      QPainter, QBrush, QColor, QStandardItemModel, QPalette, \
                      QStandardItem, QUrl, QRegExpValidator, QRegExp, QLineEdit, \
@@ -14,6 +14,7 @@ from PyQt4.Qt import QMovie, QApplication, Qt, QIcon, QTimer, QWidget, SIGNAL, \
 from calibre.gui2.viewer.main_ui import Ui_EbookViewer
 from calibre.gui2.viewer.printing import Printing
 from calibre.gui2.viewer.bookmarkmanager import BookmarkManager
+from calibre.gui2.widgets import ProgressIndicator
 from calibre.gui2.main_window import MainWindow
 from calibre.gui2 import Application, ORG_NAME, APP_UID, choose_files, \
                          info_dialog, error_dialog
@@ -62,39 +63,6 @@ class Worker(Thread):
             self.exception = err
             self.traceback = traceback.format_exc()
 
-class ProgressIndicator(QWidget):
-
-    def __init__(self, *args):
-        QWidget.__init__(self, *args)
-        self.setGeometry(0, 0, 300, 500)
-        self.movie = QMovie(I('jobs-animated.mng'))
-        self.ml = QLabel(self)
-        self.ml.setMovie(self.movie)
-        self.movie.start()
-        self.movie.setPaused(True)
-        self.status = QLabel(self)
-        self.status.setWordWrap(True)
-        self.status.setAlignment(Qt.AlignHCenter|Qt.AlignTop)
-        self.setVisible(False)
-
-    def start(self, msg=''):
-        view = self.parent()
-        pwidth, pheight = view.size().width(), view.size().height()
-        self.resize(pwidth, min(pheight, 250))
-        self.move(0, (pheight-self.size().height())/2.)
-        self.ml.resize(self.ml.sizeHint())
-        self.ml.move(int((self.size().width()-self.ml.size().width())/2.), 0)
-        self.status.resize(self.size().width(), self.size().height()-self.ml.size().height()-10)
-        self.status.move(0, self.ml.size().height()+10)
-        self.status.setText('<h1>'+msg+'</h1>')
-        self.setVisible(True)
-        self.movie.setPaused(False)
-
-    def stop(self):
-        if self.movie.state() == self.movie.Running:
-            self.movie.setPaused(True)
-            self.setVisible(False)
-
 class History(collections.deque):
 
     def __init__(self, action_back, action_forward):

src/calibre/gui2/widgets.py

@@ -7,7 +7,7 @@ import re, os, traceback
 from PyQt4.Qt import QListView, QIcon, QFont, QLabel, QListWidget, \
                         QListWidgetItem, QTextCharFormat, QApplication, \
                         QSyntaxHighlighter, QCursor, QColor, QWidget, \
-                        QPixmap, QMovie, QPalette, QTimer, QDialog, \
+                        QPixmap, QPalette, QTimer, QDialog, \
                         QAbstractListModel, QVariant, Qt, SIGNAL, \
                         QRegExp, QSettings, QSize, QModelIndex, \
                         QAbstractButton, QPainter, QLineEdit, QComboBox, \
@@ -22,17 +22,14 @@ from calibre.utils.fonts import fontconfig
 from calibre.ebooks import BOOK_EXTENSIONS
 from calibre.ebooks.metadata.meta import metadata_from_filename
 from calibre.utils.config import prefs
+from calibre.gui2.progress_indicator import ProgressIndicator as _ProgressIndicator
 
 class ProgressIndicator(QWidget):
 
     def __init__(self, *args):
         QWidget.__init__(self, *args)
         self.setGeometry(0, 0, 300, 350)
-        self.movie = QMovie(I('jobs-animated.mng'))
-        self.ml = QLabel(self)
-        self.ml.setMovie(self.movie)
-        self.movie.start()
-        self.movie.setPaused(True)
+        self.pi = _ProgressIndicator(self)
         self.status = QLabel(self)
         self.status.setWordWrap(True)
         self.status.setAlignment(Qt.AlignHCenter|Qt.AlignTop)
@@ -43,17 +40,16 @@ class ProgressIndicator(QWidget):
         pwidth, pheight = view.size().width(), view.size().height()
         self.resize(pwidth, min(pheight, 250))
         self.move(0, (pheight-self.size().height())/2.)
-        self.ml.resize(self.ml.sizeHint())
-        self.ml.move(int((self.size().width()-self.ml.size().width())/2.), 0)
-        self.status.resize(self.size().width(), self.size().height()-self.ml.size().height()-10)
-        self.status.move(0, self.ml.size().height()+10)
+        self.pi.resize(self.pi.sizeHint())
+        self.pi.move(int((self.size().width()-self.pi.size().width())/2.), 0)
+        self.status.resize(self.size().width(), self.size().height()-self.pi.size().height()-10)
+        self.status.move(0, self.pi.size().height()+10)
         self.status.setText('<h1>'+msg+'</h1>')
         self.setVisible(True)
-        self.movie.setPaused(False)
+        self.pi.startAnimation()
 
     def stop(self):
-        if self.movie.state() == self.movie.Running:
-            self.movie.setPaused(True)
+        self.pi.stopAnimation()
         self.setVisible(False)
 
 class FilenamePattern(QWidget, Ui_Form):

src/calibre/manual/conversion.rst

@@ -433,7 +433,7 @@ settings (if any) or the defaults.
 
 .. note::
 
-    You can see the actual settings used during any conversion by clicking the rotating hourglass 
+    You can see the actual settings used during any conversion by clicking the rotating icon in the lower right corner 
     and then double clicking the individual conversion job. This will bring up a conversion log
     that will contain the actual settings used, near the top. 
 

src/calibre/manual/index.rst

@@ -9,9 +9,9 @@ So you've just started |app|. What do you do now? Well, before |app| can do anyt
 
 .. image:: images/added_books.png
 
-Once you've admired the list of books you just added to your heart's content, you'll probably want to actually read one. In order to do that you'll have to convert the book to a format your reader understands. When first running |app|, the Welcome Wizard starts and it will have setup calibre for your reader device. Conversion is a breeze, just select the book you want to convert, and click the "Convert E-book" button. Ignore all the options for now and just click "OK". The little hourglass in the bottom right corner will start spinning. Once it's finished spinning, your converted book is ready. Click the "View" button to read the book.
+Once you've admired the list of books you just added to your heart's content, you'll probably want to actually read one. In order to do that you'll have to convert the book to a format your reader understands. When first running |app|, the Welcome Wizard starts and it will have setup calibre for your reader device. Conversion is a breeze, just select the book you want to convert, and click the "Convert E-book" button. Ignore all the options for now and just click "OK". The little icon in the bottom right corner will start spinning. Once it's finished spinning, your converted book is ready. Click the "View" button to read the book.
 
-Now if you want to read the book on your reader, just connect it to the computer, wait till calibre detects it (10-20secs) and then click the "Send to device" button. Once the hourglass stops spinning again, disconnect your reader and read away! If you didn't convert the book in the previous step, |app| will auto convert it to the format your reader device understands. 
+Now if you want to read the book on your reader, just connect it to the computer, wait till calibre detects it (10-20secs) and then click the "Send to device" button. Once the icon stops spinning again, disconnect your reader and read away! If you didn't convert the book in the previous step, |app| will auto convert it to the format your reader device understands. 
 
 To get started with more advanced usage, you should read about the :ref:`Graphical User Interface <gui>`. For even more power and versatility, learn the :ref:`Command Line Interface <cli>`. 
 

src/calibre/utils/localization.py

@@ -99,6 +99,7 @@ _extra_lang_codes = {
         'en_AU' : _('English (AU)'),
         'en_CA' : _('English (CA)'),
         'en_IN' : _('English (IND)'),
+        'en_TH' : _('English (TH)'),
         'nl'    : _('Dutch (NL)'),
         'nl_BE' : _('Dutch (BE)'),
         'und'   : _('Unknown')