--- a/src/eric7/Tools/UIPreviewer.py Wed Jul 13 11:16:20 2022 +0200
+++ b/src/eric7/Tools/UIPreviewer.py Wed Jul 13 14:55:47 2022 +0200
@@ -13,9 +13,20 @@
from PyQt6.QtCore import QDir, QEvent, QSize, Qt
from PyQt6.QtGui import QAction, QKeySequence, QImageWriter, QPainter
from PyQt6.QtWidgets import (
- QSizePolicy, QSpacerItem, QWidget, QHBoxLayout, QWhatsThis, QDialog,
- QScrollArea, QApplication, QStyleFactory, QFrame, QMainWindow,
- QComboBox, QVBoxLayout, QLabel
+ QSizePolicy,
+ QSpacerItem,
+ QWidget,
+ QHBoxLayout,
+ QWhatsThis,
+ QDialog,
+ QScrollArea,
+ QApplication,
+ QStyleFactory,
+ QFrame,
+ QMainWindow,
+ QComboBox,
+ QVBoxLayout,
+ QLabel,
)
from PyQt6.QtPrintSupport import QPrinter, QPrintDialog
from PyQt6 import uic
@@ -35,35 +46,35 @@
"""
Class implementing the UI Previewer main window.
"""
+
def __init__(self, filename=None, parent=None, name=None):
"""
Constructor
-
+
@param filename name of a UI file to load
@param parent parent widget of this window (QWidget)
@param name name of this window (string)
"""
self.mainWidget = None
self.currentFile = QDir.currentPath()
-
+
super().__init__(parent)
if not name:
self.setObjectName("UIPreviewer")
else:
self.setObjectName(name)
-
- self.setStyle(Preferences.getUI("Style"),
- Preferences.getUI("StyleSheet"))
-
+
+ self.setStyle(Preferences.getUI("Style"), Preferences.getUI("StyleSheet"))
+
self.resize(QSize(600, 480).expandedTo(self.minimumSizeHint()))
self.statusBar()
-
+
self.setWindowIcon(UI.PixmapCache.getIcon("eric"))
self.setWindowTitle(self.tr("UI Previewer"))
self.cw = QWidget(self)
self.cw.setObjectName("centralWidget")
-
+
self.UIPreviewerLayout = QVBoxLayout(self.cw)
self.UIPreviewerLayout.setContentsMargins(6, 6, 6, 6)
self.UIPreviewerLayout.setSpacing(6)
@@ -84,12 +95,13 @@
self.styleCombo.setToolTip(self.tr("Select the GUI Theme"))
self.styleLayout.addWidget(self.styleCombo)
self.styleCombo.addItems(sorted(QStyleFactory().keys()))
- currentStyle = Preferences.getSettings().value('UIPreviewer/style')
+ currentStyle = Preferences.getSettings().value("UIPreviewer/style")
if currentStyle is not None:
self.styleCombo.setCurrentIndex(int(currentStyle))
-
+
styleSpacer = QSpacerItem(
- 40, 20, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Minimum)
+ 40, 20, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Minimum
+ )
self.styleLayout.addItem(styleSpacer)
self.UIPreviewerLayout.addLayout(self.styleLayout)
@@ -98,26 +110,27 @@
self.previewSV.setFrameShape(QFrame.Shape.NoFrame)
self.previewSV.setFrameShadow(QFrame.Shadow.Plain)
self.previewSV.setSizePolicy(
- QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
+ QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding
+ )
self.UIPreviewerLayout.addWidget(self.previewSV)
self.setCentralWidget(self.cw)
-
+
self.styleCombo.activated[int].connect(self.__guiStyleSelected)
-
+
self.__initActions()
self.__initMenus()
self.__initToolbars()
-
+
self.__updateActions()
-
+
# defere loading of a UI file until we are shown
self.fileToLoad = filename
-
+
def show(self):
"""
Public slot to show this dialog.
-
+
This overloaded slot loads a UI file to be previewed after
the main window has been shown. This way, previewing a dialog
doesn't interfere with showing the main window.
@@ -126,113 +139,115 @@
if self.fileToLoad is not None:
fn, self.fileToLoad = (self.fileToLoad, None)
self.__loadFile(fn)
-
+
def __initActions(self):
"""
Private method to define the user interface actions.
"""
self.openAct = QAction(
- UI.PixmapCache.getIcon("openUI"),
- self.tr('&Open File'), self)
- self.openAct.setShortcut(
- QKeySequence(self.tr("Ctrl+O", "File|Open")))
- self.openAct.setStatusTip(self.tr('Open a UI file for display'))
- self.openAct.setWhatsThis(self.tr(
- """<b>Open File</b>"""
- """<p>This opens a new UI file for display.</p>"""
- ))
+ UI.PixmapCache.getIcon("openUI"), self.tr("&Open File"), self
+ )
+ self.openAct.setShortcut(QKeySequence(self.tr("Ctrl+O", "File|Open")))
+ self.openAct.setStatusTip(self.tr("Open a UI file for display"))
+ self.openAct.setWhatsThis(
+ self.tr(
+ """<b>Open File</b>"""
+ """<p>This opens a new UI file for display.</p>"""
+ )
+ )
self.openAct.triggered.connect(self.__openFile)
-
+
self.printAct = QAction(
- UI.PixmapCache.getIcon("print"),
- self.tr('&Print'), self)
- self.printAct.setShortcut(
- QKeySequence(self.tr("Ctrl+P", "File|Print")))
- self.printAct.setStatusTip(self.tr('Print a screen capture'))
- self.printAct.setWhatsThis(self.tr(
- """<b>Print</b>"""
- """<p>Print a screen capture.</p>"""
- ))
+ UI.PixmapCache.getIcon("print"), self.tr("&Print"), self
+ )
+ self.printAct.setShortcut(QKeySequence(self.tr("Ctrl+P", "File|Print")))
+ self.printAct.setStatusTip(self.tr("Print a screen capture"))
+ self.printAct.setWhatsThis(
+ self.tr("""<b>Print</b>""" """<p>Print a screen capture.</p>""")
+ )
self.printAct.triggered.connect(self.__printImage)
-
+
self.printPreviewAct = QAction(
- UI.PixmapCache.getIcon("printPreview"),
- self.tr('Print Preview'), self)
- self.printPreviewAct.setStatusTip(self.tr(
- 'Print preview a screen capture'))
- self.printPreviewAct.setWhatsThis(self.tr(
- """<b>Print Preview</b>"""
- """<p>Print preview a screen capture.</p>"""
- ))
+ UI.PixmapCache.getIcon("printPreview"), self.tr("Print Preview"), self
+ )
+ self.printPreviewAct.setStatusTip(self.tr("Print preview a screen capture"))
+ self.printPreviewAct.setWhatsThis(
+ self.tr(
+ """<b>Print Preview</b>""" """<p>Print preview a screen capture.</p>"""
+ )
+ )
self.printPreviewAct.triggered.connect(self.__printPreviewImage)
-
+
self.imageAct = QAction(
- UI.PixmapCache.getIcon("screenCapture"),
- self.tr('&Screen Capture'), self)
+ UI.PixmapCache.getIcon("screenCapture"), self.tr("&Screen Capture"), self
+ )
self.imageAct.setShortcut(
- QKeySequence(self.tr("Ctrl+S", "File|Screen Capture")))
- self.imageAct.setStatusTip(self.tr(
- 'Save a screen capture to an image file'))
- self.imageAct.setWhatsThis(self.tr(
- """<b>Screen Capture</b>"""
- """<p>Save a screen capture to an image file.</p>"""
- ))
+ QKeySequence(self.tr("Ctrl+S", "File|Screen Capture"))
+ )
+ self.imageAct.setStatusTip(self.tr("Save a screen capture to an image file"))
+ self.imageAct.setWhatsThis(
+ self.tr(
+ """<b>Screen Capture</b>"""
+ """<p>Save a screen capture to an image file.</p>"""
+ )
+ )
self.imageAct.triggered.connect(self.__saveImage)
-
- self.exitAct = QAction(
- UI.PixmapCache.getIcon("exit"), self.tr('&Quit'), self)
- self.exitAct.setShortcut(
- QKeySequence(self.tr("Ctrl+Q", "File|Quit")))
- self.exitAct.setStatusTip(self.tr('Quit the application'))
- self.exitAct.setWhatsThis(self.tr(
- """<b>Quit</b>"""
- """<p>Quit the application.</p>"""
- ))
+
+ self.exitAct = QAction(UI.PixmapCache.getIcon("exit"), self.tr("&Quit"), self)
+ self.exitAct.setShortcut(QKeySequence(self.tr("Ctrl+Q", "File|Quit")))
+ self.exitAct.setStatusTip(self.tr("Quit the application"))
+ self.exitAct.setWhatsThis(
+ self.tr("""<b>Quit</b>""" """<p>Quit the application.</p>""")
+ )
self.exitAct.triggered.connect(ericApp().closeAllWindows)
-
+
self.copyAct = QAction(
- UI.PixmapCache.getIcon("editCopy"), self.tr('&Copy'), self)
- self.copyAct.setShortcut(
- QKeySequence(self.tr("Ctrl+C", "Edit|Copy")))
- self.copyAct.setStatusTip(
- self.tr('Copy screen capture to clipboard'))
- self.copyAct.setWhatsThis(self.tr(
- """<b>Copy</b>"""
- """<p>Copy screen capture to clipboard.</p>"""
- ))
+ UI.PixmapCache.getIcon("editCopy"), self.tr("&Copy"), self
+ )
+ self.copyAct.setShortcut(QKeySequence(self.tr("Ctrl+C", "Edit|Copy")))
+ self.copyAct.setStatusTip(self.tr("Copy screen capture to clipboard"))
+ self.copyAct.setWhatsThis(
+ self.tr("""<b>Copy</b>""" """<p>Copy screen capture to clipboard.</p>""")
+ )
self.copyAct.triggered.connect(self.__copyImageToClipboard)
-
+
self.whatsThisAct = QAction(
- UI.PixmapCache.getIcon("whatsThis"),
- self.tr('&What\'s This?'), self)
+ UI.PixmapCache.getIcon("whatsThis"), self.tr("&What's This?"), self
+ )
self.whatsThisAct.setShortcut(QKeySequence(self.tr("Shift+F1")))
- self.whatsThisAct.setStatusTip(self.tr('Context sensitive help'))
- self.whatsThisAct.setWhatsThis(self.tr(
- """<b>Display context sensitive help</b>"""
- """<p>In What's This? mode, the mouse cursor shows an arrow"""
- """ with a question mark, and you can click on the interface"""
- """ elements to get a short description of what they do and"""
- """ how to use them. In dialogs, this feature can be accessed"""
- """ using the context help button in the titlebar.</p>"""
- ))
+ self.whatsThisAct.setStatusTip(self.tr("Context sensitive help"))
+ self.whatsThisAct.setWhatsThis(
+ self.tr(
+ """<b>Display context sensitive help</b>"""
+ """<p>In What's This? mode, the mouse cursor shows an arrow"""
+ """ with a question mark, and you can click on the interface"""
+ """ elements to get a short description of what they do and"""
+ """ how to use them. In dialogs, this feature can be accessed"""
+ """ using the context help button in the titlebar.</p>"""
+ )
+ )
self.whatsThisAct.triggered.connect(self.__whatsThis)
- self.aboutAct = QAction(self.tr('&About'), self)
- self.aboutAct.setStatusTip(self.tr(
- 'Display information about this software'))
- self.aboutAct.setWhatsThis(self.tr(
- """<b>About</b>"""
- """<p>Display some information about this software.</p>"""
- ))
+ self.aboutAct = QAction(self.tr("&About"), self)
+ self.aboutAct.setStatusTip(self.tr("Display information about this software"))
+ self.aboutAct.setWhatsThis(
+ self.tr(
+ """<b>About</b>"""
+ """<p>Display some information about this software.</p>"""
+ )
+ )
self.aboutAct.triggered.connect(self.__about)
-
- self.aboutQtAct = QAction(self.tr('About &Qt'), self)
+
+ self.aboutQtAct = QAction(self.tr("About &Qt"), self)
self.aboutQtAct.setStatusTip(
- self.tr('Display information about the Qt toolkit'))
- self.aboutQtAct.setWhatsThis(self.tr(
- """<b>About Qt</b>"""
- """<p>Display some information about the Qt toolkit.</p>"""
- ))
+ self.tr("Display information about the Qt toolkit")
+ )
+ self.aboutQtAct.setWhatsThis(
+ self.tr(
+ """<b>About Qt</b>"""
+ """<p>Display some information about the Qt toolkit.</p>"""
+ )
+ )
self.aboutQtAct.triggered.connect(self.__aboutQt)
def __initMenus(self):
@@ -241,7 +256,7 @@
"""
mb = self.menuBar()
- menu = mb.addMenu(self.tr('&File'))
+ menu = mb.addMenu(self.tr("&File"))
menu.setTearOffEnabled(True)
menu.addAction(self.openAct)
menu.addAction(self.imageAct)
@@ -250,14 +265,14 @@
menu.addAction(self.printAct)
menu.addSeparator()
menu.addAction(self.exitAct)
-
+
menu = mb.addMenu(self.tr("&Edit"))
menu.setTearOffEnabled(True)
menu.addAction(self.copyAct)
-
+
mb.addSeparator()
-
- menu = mb.addMenu(self.tr('&Help'))
+
+ menu = mb.addMenu(self.tr("&Help"))
menu.setTearOffEnabled(True)
menu.addAction(self.aboutAct)
menu.addAction(self.aboutQtAct)
@@ -277,11 +292,11 @@
filetb.addAction(self.printAct)
filetb.addSeparator()
filetb.addAction(self.exitAct)
-
+
edittb = self.addToolBar(self.tr("Edit"))
edittb.setIconSize(UI.Config.ToolBarIconSize)
edittb.addAction(self.copyAct)
-
+
helptb = self.addToolBar(self.tr("Help"))
helptb.setIconSize(UI.Config.ToolBarIconSize)
helptb.addAction(self.whatsThisAct)
@@ -291,18 +306,18 @@
Private slot called in to enter Whats This mode.
"""
QWhatsThis.enterWhatsThisMode()
-
+
def __guiStyleSelected(self, index):
"""
Private slot to handle the selection of a GUI style.
-
+
@param index index of the selected entry
@type int
"""
selectedStyle = self.styleCombo.itemText(index)
if self.mainWidget:
self.__updateChildren(selectedStyle)
-
+
def __about(self):
"""
Private slot to show the about information.
@@ -315,9 +330,9 @@
"""<p>The UI Previewer loads and displays Qt User-Interface"""
""" files with various styles, which are selectable via a"""
""" selection list.</p>"""
- )
+ ),
)
-
+
def __aboutQt(self):
"""
Private slot to show info about Qt.
@@ -332,14 +347,15 @@
self,
self.tr("Select UI file"),
self.currentFile,
- self.tr("Qt User-Interface Files (*.ui)"))
+ self.tr("Qt User-Interface Files (*.ui)"),
+ )
if fn:
self.__loadFile(fn)
-
+
def __loadFile(self, fn):
"""
Private slot to load a ui file.
-
+
@param fn name of the ui file to be laoded
@type str
"""
@@ -348,11 +364,11 @@
self.previewSV.takeWidget()
del self.mainWidget
self.mainWidget = None
-
+
# load the file
with contextlib.suppress(Exception):
self.mainWidget = uic.loadUi(fn)
-
+
if self.mainWidget:
self.currentFile = fn
self.__updateChildren(self.styleCombo.currentText())
@@ -366,35 +382,37 @@
EricMessageBox.warning(
self,
self.tr("Load UI File"),
- self.tr(
- """<p>The file <b>{0}</b> could not be loaded.</p>""")
- .format(fn))
+ self.tr("""<p>The file <b>{0}</b> could not be loaded.</p>""").format(
+ fn
+ ),
+ )
self.__updateActions()
-
+
def __updateChildren(self, sstyle):
"""
Private slot to change the style of the show UI.
-
+
@param sstyle name of the selected style (string)
"""
with EricOverrideCursor():
qstyle = QStyleFactory.create(sstyle)
self.mainWidget.setStyle(qstyle)
-
+
lst = self.mainWidget.findChildren(QWidget)
for obj in lst:
with contextlib.suppress(AttributeError):
obj.setStyle(qstyle)
del lst
-
+
self.mainWidget.hide()
self.mainWidget.show()
-
+
self.lastQStyle = qstyle
self.lastStyle = sstyle
Preferences.getSettings().setValue(
- 'UIPreviewer/style', self.styleCombo.currentIndex())
-
+ "UIPreviewer/style", self.styleCombo.currentIndex()
+ )
+
def __updateActions(self):
"""
Private slot to update the actions state.
@@ -423,11 +441,11 @@
del self.mainWidget
self.mainWidget = None
self.__updateActions()
-
+
def eventFilter(self, obj, ev):
"""
Public method called to filter an event.
-
+
@param obj object, that generated the event (QObject)
@param ev the event, that was generated by object (QEvent)
@return flag indicating if event was filtered out
@@ -443,49 +461,46 @@
return QMainWindow.eventFilter(self, obj, ev)
else:
return False
-
+
def __saveImage(self):
"""
Private slot to handle the Save Image menu action.
"""
if self.mainWidget is None:
EricMessageBox.critical(
- self,
- self.tr("Save Image"),
- self.tr("""There is no UI file loaded."""))
+ self, self.tr("Save Image"), self.tr("""There is no UI file loaded.""")
+ )
return
-
+
defaultExt = "PNG"
filters = ""
formats = QImageWriter.supportedImageFormats()
for imageFormat in formats:
- filters = "{0}*.{1} ".format(
- filters, bytes(imageFormat).decode().lower())
+ filters = "{0}*.{1} ".format(filters, bytes(imageFormat).decode().lower())
fileFilter = self.tr("Images ({0})").format(filters[:-1])
-
+
fname = EricFileDialog.getSaveFileName(
- self,
- self.tr("Save Image"),
- "",
- fileFilter)
+ self, self.tr("Save Image"), "", fileFilter
+ )
if not fname:
return
-
+
fpath = pathlib.Path(fname)
ext = fpath.suffix.upper().replace(".", "")
if not ext:
ext = defaultExt
fpath = fpath.with_suffix(".{0}".format(defaultExt.lower()))
-
+
pix = self.mainWidget.grab()
self.__updateChildren(self.lastStyle)
if not pix.save(str(fpath), str(ext)):
EricMessageBox.critical(
self,
self.tr("Save Image"),
- self.tr(
- """<p>The file <b>{0}</b> could not be saved.</p>""")
- .format(fpath))
+ self.tr("""<p>The file <b>{0}</b> could not be saved.</p>""").format(
+ fpath
+ ),
+ )
def __copyImageToClipboard(self):
"""
@@ -493,103 +508,109 @@
"""
if self.mainWidget is None:
EricMessageBox.critical(
- self,
- self.tr("Save Image"),
- self.tr("""There is no UI file loaded."""))
+ self, self.tr("Save Image"), self.tr("""There is no UI file loaded.""")
+ )
return
-
+
cb = QApplication.clipboard()
cb.setPixmap(self.mainWidget.grab())
self.__updateChildren(self.lastStyle)
-
+
def __printImage(self):
"""
Private slot to handle the Print Image menu action.
"""
if self.mainWidget is None:
EricMessageBox.critical(
- self,
- self.tr("Print Image"),
- self.tr("""There is no UI file loaded."""))
+ self, self.tr("Print Image"), self.tr("""There is no UI file loaded.""")
+ )
return
-
+
settings = Preferences.getSettings()
printer = QPrinter(QPrinter.PrinterMode.HighResolution)
printer.setFullPage(True)
-
+
printerName = Preferences.getPrinter("UIPreviewer/printername")
if printerName:
printer.setPrinterName(printerName)
printer.setPageSize(
- QPrinter.PageSize(int(settings.value("UIPreviewer/pagesize"))))
+ QPrinter.PageSize(int(settings.value("UIPreviewer/pagesize")))
+ )
printer.setPageOrder(
- QPrinter.PageOrder(int(settings.value("UIPreviewer/pageorder"))))
- printer.setOrientation(QPrinter.Orientation(
- int(settings.value("UIPreviewer/orientation"))))
+ QPrinter.PageOrder(int(settings.value("UIPreviewer/pageorder")))
+ )
+ printer.setOrientation(
+ QPrinter.Orientation(int(settings.value("UIPreviewer/orientation")))
+ )
printer.setColorMode(
- QPrinter.ColorMode(int(settings.value("UIPreviewer/colormode"))))
-
+ QPrinter.ColorMode(int(settings.value("UIPreviewer/colormode")))
+ )
+
printDialog = QPrintDialog(printer, self)
if printDialog.exec() == QDialog.DialogCode.Accepted:
self.statusBar().showMessage(self.tr("Printing the image..."))
self.__print(printer)
-
+
settings.setValue("UIPreviewer/printername", printer.printerName())
settings.setValue("UIPreviewer/pagesize", printer.pageSize())
settings.setValue("UIPreviewer/pageorder", printer.pageOrder())
settings.setValue("UIPreviewer/orientation", printer.orientation())
settings.setValue("UIPreviewer/colormode", printer.colorMode())
-
- self.statusBar().showMessage(
- self.tr("Image sent to printer..."), 2000)
+
+ self.statusBar().showMessage(self.tr("Image sent to printer..."), 2000)
def __printPreviewImage(self):
"""
Private slot to handle the Print Preview menu action.
"""
from PyQt6.QtPrintSupport import QPrintPreviewDialog
-
+
if self.mainWidget is None:
EricMessageBox.critical(
self,
self.tr("Print Preview"),
- self.tr("""There is no UI file loaded."""))
+ self.tr("""There is no UI file loaded."""),
+ )
return
-
+
settings = Preferences.getSettings()
printer = QPrinter(QPrinter.PrinterMode.HighResolution)
printer.setFullPage(True)
-
+
printerName = Preferences.getPrinter("UIPreviewer/printername")
if printerName:
printer.setPrinterName(printerName)
printer.setPageSize(
- QPrinter.PageSize(int(settings.value("UIPreviewer/pagesize"))))
+ QPrinter.PageSize(int(settings.value("UIPreviewer/pagesize")))
+ )
printer.setPageOrder(
- QPrinter.PageOrder(int(settings.value("UIPreviewer/pageorder"))))
- printer.setOrientation(QPrinter.Orientation(
- int(settings.value("UIPreviewer/orientation"))))
+ QPrinter.PageOrder(int(settings.value("UIPreviewer/pageorder")))
+ )
+ printer.setOrientation(
+ QPrinter.Orientation(int(settings.value("UIPreviewer/orientation")))
+ )
printer.setColorMode(
- QPrinter.ColorMode(int(settings.value("UIPreviewer/colormode"))))
-
+ QPrinter.ColorMode(int(settings.value("UIPreviewer/colormode")))
+ )
+
preview = QPrintPreviewDialog(printer, self)
preview.paintRequested.connect(self.__print)
preview.exec()
-
+
def __print(self, printer):
"""
Private slot to the actual printing.
-
+
@param printer reference to the printer object (QPrinter)
"""
p = QPainter(printer)
marginX = (
- printer.pageLayout().paintRectPixels(printer.resolution()).x() -
- printer.pageLayout().fullRectPixels(printer.resolution()).x()
+ printer.pageLayout().paintRectPixels(printer.resolution()).x()
+ - printer.pageLayout().fullRectPixels(printer.resolution()).x()
) // 2
marginY = (
- printer.pageLayout().paintRectPixels(printer.resolution()).y() -
- printer.pageLayout().fullRectPixels(printer.resolution()).y()
+ printer.pageLayout().paintRectPixels(printer.resolution()).y()
+ - printer.pageLayout().fullRectPixels(printer.resolution()).y()
) // 2
# double the margin on bottom of page
@@ -603,10 +624,13 @@
img = self.mainWidget.grab().toImage()
self.__updateChildren(self.lastStyle)
p.drawImage(
- marginX, marginY, img.scaled(
- width, height,
+ marginX,
+ marginY,
+ img.scaled(
+ width,
+ height,
Qt.AspectRatioMode.KeepAspectRatio,
- Qt.TransformationMode.SmoothTransformation
- )
+ Qt.TransformationMode.SmoothTransformation,
+ ),
)
p.end()
