def __createLayout( self ):
" Creates the toolbar and layout "
# Buttons
printButton = QAction( PixmapCache().getIcon( 'printer.png' ),
'Print', self )
#printButton.setShortcut( 'Ctrl+' )
printButton.triggered.connect( self.__onPrint )
printButton.setVisible( False )
printPreviewButton = QAction(
PixmapCache().getIcon( 'printpreview.png' ),
'Print preview', self )
#printPreviewButton.setShortcut( 'Ctrl+' )
printPreviewButton.triggered.connect( self.__onPrintPreview )
printPreviewButton.setVisible( False )
fixedSpacer = QWidget()
fixedSpacer.setFixedHeight( 16 )
zoomInButton = QAction( PixmapCache().getIcon( 'zoomin.png' ),
'Zoom in (Ctrl+=)', self )
zoomInButton.setShortcut( 'Ctrl+=' )
zoomInButton.triggered.connect( self.onZoomIn )
self.__zoomInSynonim = QShortcut( "Ctrl++", self )
self.__zoomInSynonim.activated.connect( self.onZoomIn )
zoomOutButton = QAction( PixmapCache().getIcon( 'zoomout.png' ),
'Zoom out (Ctrl+-)', self )
zoomOutButton.setShortcut( 'Ctrl+-' )
zoomOutButton.triggered.connect( self.onZoomOut )
zoomResetButton = QAction( PixmapCache().getIcon( 'zoomreset.png' ),
'Zoom reset (Ctrl+0)', self )
zoomResetButton.setShortcut( 'Ctrl+0' )
zoomResetButton.triggered.connect( self.onZoomReset )
# Toolbar
toolbar = QToolBar( self )
toolbar.setOrientation( Qt.Vertical )
toolbar.setMovable( False )
toolbar.setAllowedAreas( Qt.RightToolBarArea )
toolbar.setIconSize( QSize( 16, 16 ) )
toolbar.setFixedWidth( 28 )
toolbar.setContentsMargins( 0, 0, 0, 0 )
toolbar.addAction( printPreviewButton )
toolbar.addAction( printButton )
toolbar.addWidget( fixedSpacer )
toolbar.addAction( zoomInButton )
toolbar.addAction( zoomOutButton )
toolbar.addAction( zoomResetButton )
hLayout = QHBoxLayout()
hLayout.setContentsMargins( 0, 0, 0, 0 )
hLayout.setSpacing( 0 )
hLayout.addWidget( self.__viewer )
hLayout.addWidget( toolbar )
self.__outsideChangesBar = OutsideChangeWidget( self.__viewer )
self.__outsideChangesBar.reloadRequest.connect( self.__onReload )
self.__outsideChangesBar.reloadAllNonModifiedRequest.connect( self.reloadAllNonModified )
self.__outsideChangesBar.hide()
self.setLayout( hLayout )
return
class PixmapTabWidget( QWidget, MainWindowTabWidgetBase ):
" Pixmap viewer tab widget "
escapePressed = pyqtSignal()
reloadRequst = pyqtSignal()
reloadAllNonModifiedRequest = pyqtSignal()
def __init__( self, parent ):
MainWindowTabWidgetBase.__init__( self )
QWidget.__init__( self, parent )
self.__editorsManager = parent
self.__viewer = PixmapWidget()
self.__fileName = ""
self.__shortName = ""
self.__viewer.escapePressed.connect( self.__onEsc )
self.__viewer.setContextMenuPolicy( Qt.CustomContextMenu )
self.__viewer.customContextMenuRequested.connect( self.__onContextMenu )
self.__createLayout()
self.__diskModTime = None
self.__diskSize = None
self.__reloadDlgShown = False
self.__vcsStatus = None
return
def __createLayout( self ):
" Creates the toolbar and layout "
# Buttons
printButton = QAction( PixmapCache().getIcon( 'printer.png' ),
'Print', self )
#printButton.setShortcut( 'Ctrl+' )
printButton.triggered.connect( self.__onPrint )
printButton.setVisible( False )
printPreviewButton = QAction(
PixmapCache().getIcon( 'printpreview.png' ),
'Print preview', self )
#printPreviewButton.setShortcut( 'Ctrl+' )
printPreviewButton.triggered.connect( self.__onPrintPreview )
printPreviewButton.setVisible( False )
fixedSpacer = QWidget()
fixedSpacer.setFixedHeight( 16 )
zoomInButton = QAction( PixmapCache().getIcon( 'zoomin.png' ),
'Zoom in (Ctrl+=)', self )
zoomInButton.setShortcut( 'Ctrl+=' )
zoomInButton.triggered.connect( self.onZoomIn )
self.__zoomInSynonim = QShortcut( "Ctrl++", self )
self.__zoomInSynonim.activated.connect( self.onZoomIn )
zoomOutButton = QAction( PixmapCache().getIcon( 'zoomout.png' ),
'Zoom out (Ctrl+-)', self )
zoomOutButton.setShortcut( 'Ctrl+-' )
zoomOutButton.triggered.connect( self.onZoomOut )
zoomResetButton = QAction( PixmapCache().getIcon( 'zoomreset.png' ),
'Zoom reset (Ctrl+0)', self )
zoomResetButton.setShortcut( 'Ctrl+0' )
zoomResetButton.triggered.connect( self.onZoomReset )
# Toolbar
toolbar = QToolBar( self )
toolbar.setOrientation( Qt.Vertical )
toolbar.setMovable( False )
toolbar.setAllowedAreas( Qt.RightToolBarArea )
toolbar.setIconSize( QSize( 16, 16 ) )
toolbar.setFixedWidth( 28 )
toolbar.setContentsMargins( 0, 0, 0, 0 )
toolbar.addAction( printPreviewButton )
toolbar.addAction( printButton )
toolbar.addWidget( fixedSpacer )
toolbar.addAction( zoomInButton )
toolbar.addAction( zoomOutButton )
toolbar.addAction( zoomResetButton )
hLayout = QHBoxLayout()
hLayout.setContentsMargins( 0, 0, 0, 0 )
hLayout.setSpacing( 0 )
hLayout.addWidget( self.__viewer )
hLayout.addWidget( toolbar )
self.__outsideChangesBar = OutsideChangeWidget( self.__viewer )
self.__outsideChangesBar.reloadRequest.connect( self.__onReload )
self.__outsideChangesBar.reloadAllNonModifiedRequest.connect( self.reloadAllNonModified )
self.__outsideChangesBar.hide()
self.setLayout( hLayout )
return
def setFocus( self ):
" Overridden setFocus "
if self.__outsideChangesBar.isHidden():
self.__viewer.setFocus()
else:
self.__outsideChangesBar.setFocus()
return
def loadFromFile( self, path ):
" Loads the content from the given file "
self.__viewer.loadFromFile( path )
self.setFileName( os.path.abspath( path ) )
# Memorize the modification date
path = os.path.realpath( path )
self.__diskModTime = os.path.getmtime( path )
self.__diskSize = os.path.getsize( path )
return
def setPixmap( self, pixmap ):
" Loads the provided pixmap "
self.__viewer.setPixmap( pixmap )
self.__diskModTime = None
self.__diskSize = None
return
def __onPrint( self ):
" Triggered on the 'print' button "
pass
def __onPrintPreview( self ):
" Triggered on the 'print preview' button "
pass
def onZoomIn( self ):
" Triggered on the 'zoom in' button "
self.__viewer.doZoom( 1.25 )
QApplication.processEvents()
self.resizeBars()
return
def onZoomOut( self ):
" Triggered on the 'zoom out' button "
self.__viewer.doZoom( 0.8 )
QApplication.processEvents()
self.resizeBars()
return
def wheelEvent( self, event ):
""" Mouse wheel event """
if QApplication.keyboardModifiers() == Qt.ControlModifier:
if event.delta() > 0:
self.onZoomIn()
else:
self.onZoomOut()
else:
QWidget.wheelEvent( self, event )
return
def __onContextMenu( self, pos ):
" Triggered when a context menu is requested "
pluginMenus = self.__editorsManager.getPluginMenus()
if pluginMenus:
contextMenu = QMenu()
for pluginPath, pluginMenu in pluginMenus.iteritems():
contextMenu.addMenu( pluginMenu )
contextMenu.exec_( QCursor.pos() )
del contextMenu
return
def onZoomReset( self ):
" Triggered on the 'zoom reset' button "
self.__viewer.resetZoom()
QApplication.processEvents()
self.resizeBars()
return
def __onEsc( self ):
" Triggered when Esc is pressed "
self.escapePressed.emit()
return
def resizeEvent( self, event ):
" Resizes the outside changes dialogue if necessary "
QWidget.resizeEvent( self, event )
self.resizeBars()
return
def resizeBars( self ):
" Resize the bars if they are shown "
if not self.__outsideChangesBar.isHidden():
self.__outsideChangesBar.resize()
return
def __onReload( self ):
" Triggered when a request to reload the file is received "
self.reloadRequst.emit()
return
def reloadAllNonModified( self ):
""" Triggered when a request to reload all the
non-modified files is received """
self.reloadAllNonModifiedRequest.emit()
return
def showOutsideChangesBar( self, allEnabled ):
" Shows the bar for the viewer for the user to choose the action "
self.setReloadDialogShown( True )
self.__outsideChangesBar.showChoice( self.isModified(),
allEnabled )
return
def reload( self ):
" Called (from the editors manager) to reload the file "
# Re-read the file with updating the file timestamp
self.loadFromFile( self.__fileName )
# Hide the bar is necessery
if not self.__outsideChangesBar.isHidden():
self.__outsideChangesBar.hide()
# Set the shown flag
self.setReloadDialogShown( False )
return
# Mandatory interface part is below
def isModified( self ):
" Tells if the file is modified "
return False
def getRWMode( self ):
" Tells if the file is read only "
return "RO"
def getType( self ):
" Tells the widget type "
return MainWindowTabWidgetBase.PictureViewer
def getLanguage( self ):
" Tells the content language "
return self.__viewer.formatInfo
def getFileName( self ):
" Tells what file name of the widget content "
return self.__fileName
def setFileName( self, name ):
" Sets the file name "
self.__fileName = name
self.__shortName = os.path.basename( name )
return
def getEol( self ):
" Tells the EOL style "
return "n/a"
def getLine( self ):
" Tells the cursor line "
return "n/a"
def getPos( self ):
" Tells the cursor column "
return "n/a"
def getEncoding( self ):
" Tells the content encoding "
return self.__viewer.info
def setEncoding( self, newEncoding ):
" Sets the encoding - not applicable for picture viewer "
return
def getShortName( self ):
" Tells the display name "
return self.__shortName
def setShortName( self, name ):
" Sets the display name "
self.__shortName = name
return
def isDiskFileModified( self ):
" Return True if the loaded file is modified "
if not os.path.isabs( self.__fileName ):
return False
if not os.path.exists( self.__fileName ):
return True
path = os.path.realpath( self.__fileName )
return self.__diskModTime != os.path.getmtime( path ) or \
self.__diskSize != os.path.getsize( path )
def doesFileExist( self ):
" Returns True if the loaded file still exists "
return os.path.exists( self.__fileName )
def setReloadDialogShown( self, value = True ):
""" Sets the new value of the flag which tells if the reloading
dialogue has already been displayed """
self.__reloadDlgShown = value
return
def getReloadDialogShown( self ):
" Tells if the reload dialog has already been shown "
return self.__reloadDlgShown and not self.__outsideChangesBar.isVisible()
def updateModificationTime( self, fileName ):
" Updates the modification time "
path = os.path.realpath( fileName )
self.__diskModTime = os.path.getmtime( path )
self.__diskSize = os.path.getsize( path )
return
def getVCSStatus( self ):
" Provides the VCS status "
return self.__vcsStatus
def setVCSStatus( self, newStatus ):
" Sets the new VCS status "
self.__vcsStatus = newStatus
return
