#!/usr/bin/env python3 ############################################################################ ## ## Copyright (C) 2010 Hans-Peter Jansen . ## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ## All rights reserved. ## ## This file is part of the examples of PyQt. ## ## $QT_BEGIN_LICENSE:BSD$ ## You may use this file under the terms of the BSD license as follows: ## ## "Redistribution and use in source and binary forms, with or without ## modification, are permitted provided that the following conditions are ## met: ## * Redistributions of source code must retain the above copyright ## notice, this list of conditions and the following disclaimer. ## * Redistributions in binary form must reproduce the above copyright ## notice, this list of conditions and the following disclaimer in ## the documentation and/or other materials provided with the ## distribution. ## * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor ## the names of its contributors may be used to endorse or promote ## products derived from this software without specific prior written ## permission. ## ## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ## $QT_END_LICENSE$ ## ########################################################################### import os from qtpy import uic from qtpy.QtCore import Slot, QFile, QTextStream, QUrl, Qt from qtpy.QtGui import QStandardItem, QTextCursor, QTextCharFormat, QTextDocument, QColor from qtpy.QtWidgets import QDialog, QFileDialog, QMessageBox, QColorDialog from qtvcp.core import Path from qtvcp.qt_makegui import VCPWindow from qtvcp import logger LOG = logger.getLogger(__name__) PATH = Path() WIDGETS = VCPWindow() DATADIR = os.path.abspath( os.path.dirname( __file__ ) ) class StyleSheetEditor(QDialog): def __init__(self, parent=WIDGETS, path=None, addBuiltinStyles = True): super(StyleSheetEditor, self).__init__(parent) self.setMinimumSize(600, 400) # Load the widgets UI file: self.filename = os.path.join(PATH.SHAREDIR,'widgets_ui', 'style_dialog.ui') try: self.instance = uic.loadUi(self.filename, self) except AttributeError as e: LOG.critical(e) self.styleSheetCombo.setFixedWidth(200) self.setWindowTitle('Style Sheet Editor Dialog') self.addBuiltinStyles = addBuiltinStyles self.parent = parent if PATH: self.setPath() self.styleSheetCombo.currentIndexChanged.connect(self.selectionChanged) self.search_box.textChanged.connect(self.highlight_all_matches) self.btn_next.clicked.connect(self.find_next) self.btn_prev.clicked.connect(self.find_previous) self.preferencePath = 'DEFAULT' def load_dialog(self): if WIDGETS.PREFS_: path = WIDGETS.PREFS_.getpref('style_QSS_Path', 'DEFAULT' , str, 'BOOK_KEEPING') self.preferencePath = path self.loadedItem.setData( path, role = Qt.UserRole + 1) self.lineEdit_path.setText(path) self.styleSheetCombo.setToolTip('{}'.format(path)) self.origStyleSheet = self.parent.styleSheet() self.styleTextView.setPlainText(self.origStyleSheet) self.show() self.activateWindow() # keep a reference to loadedItem because the path will be added when the # dialog is shown. # Model holds a title and a path # search in the builtin folder for the screen and # in the users's config directory def setPath(self): model = self.styleSheetCombo.model() # add an 'As Loaded' entry to follow the preference file's entry self.loadedItem = QStandardItem('As Loaded') self.loadedItem.setData( 'As Loaded', role = Qt.UserRole + 1) self.loadedItem.setData("Use the preference loaded Stylesheet", role = Qt.ToolTipRole) model.appendRow(self.loadedItem) # add 'None' to cancel all stylesheet changes item = QStandardItem('None') item.setData( 'None', role = Qt.UserRole + 1) item.setData("Use system default Stylesheet", role = Qt.ToolTipRole) model.appendRow(item) # call PATH function to get the found default and local qss files try: for group in (PATH.getQSSPaths(self.addBuiltinStyles)): for directory, name in(group): item = QStandardItem(name) item.setData(os.path.join(directory, name), role = Qt.UserRole + 1) item.setData(os.path.join(directory, name), role = Qt.ToolTipRole) model.appendRow(item) except Exception as e: print(e) def selectionChanged(self,i): self.search_box.clear() path = self.styleSheetCombo.itemData(i,role = Qt.UserRole + 1) name = self.styleSheetCombo.itemData(i,role = Qt.DisplayRole) self.styleSheetCombo.setToolTip('{}'.format(path)) self.loadStyleSheet(path) def highlight_all_matches(self): self.clear_highlights() query = self.search_box.text() if not query: return cursor = self.styleTextEdit.textCursor() cursor.movePosition(QTextCursor.Start) format = QTextCharFormat() format.setBackground(QColor('#808080')) self.matches = [] while True: cursor = self.styleTextEdit.document().find(query, cursor) if cursor.isNull(): break cursor.mergeCharFormat(format) self.matches.append(QTextCursor(cursor)) self.current_match_index = -1 if self.matches: self.find_next() def clear_highlights(self): cursor = self.styleTextEdit.textCursor() cursor.select(QTextCursor.Document) cursor.setCharFormat(QTextCharFormat()) def find_next(self): if not self.matches: return self.current_match_index = (self.current_match_index + 1) % len(self.matches) self.select_match() def find_previous(self): if not self.matches: return self.current_match_index = (self.current_match_index - 1) % len(self.matches) self.select_match() def select_match(self): cursor = self.matches[self.current_match_index] self.styleTextEdit.setTextCursor(cursor) @Slot() def on_styleTextView_textChanged(self): self.applyButton.setEnabled(True) @Slot() def on_applyButton_clicked(self): self.parent.setStyleSheet("") if self.tabWidget.currentIndex() == 0: self.styleTextEdit.clear() self.parent.setStyleSheet(self.styleTextView.toPlainText()) if WIDGETS.PREFS_: index = self.styleSheetCombo.currentIndex() path = self.styleSheetCombo.itemData(index,role = Qt.UserRole + 1) WIDGETS.PREFS_.putpref('style_QSS_Path', path , str, 'BOOK_KEEPING') else: self.parent.setStyleSheet(self.styleTextEdit.toPlainText()) # styles can have affect on the dialog widgets # make sure one can still read the combo box self.styleSheetCombo.setFixedWidth(200) try: path = self.styleSheetCombo.itemData(index,role = Qt.UserRole + 1) self.parent.statusbar.showMessage(f"Stylesheet set to {path}") except: pass @Slot() def on_openButton_clicked(self): if PATH.IS_SCREEN: DIR = PATH.SCREENDIR else: DIR = PATH.PANELDIR if os.path.exists(self.preferencePath): DIR = os.path.dirname(self.preferencePath) dialog = QFileDialog(self) options = QFileDialog.Options() options |= QFileDialog.DontUseNativeDialog dialog.setOptions(options) dialog.setDirectory(DIR) dialog.setFileMode(QFileDialog.ExistingFile) dialog.setNameFilter("style files (*.qss *.style);;All files (*.*)") dialog.setWindowTitle('Open StyleSheet') # sidebar links urls = [] urls.append(QUrl.fromLocalFile(os.path.expanduser('~'))) urls.append(QUrl.fromLocalFile(DIR)) local = os.path.join(os.getcwd(),'qtvcp/screens',PATH.BASENAME) if os.path.exists(local): urls.append(QUrl.fromLocalFile(os.path.join(os.getcwd(), 'qtvcp/screens',PATH.BASENAME))) dialog.setSidebarUrls(urls) result = dialog.exec() if result: fileName = dialog.selectedFiles()[0] file = QFile(fileName) file.open(QFile.ReadOnly) styleSheet = file.readAll() self.styleTextView.setPlainText(str(styleSheet, encoding='utf8')) model = self.styleSheetCombo.model() item = QStandardItem(os.path.basename(fileName)) item.setData( fileName, role = Qt.UserRole + 1) model.appendRow(item) self.styleSheetCombo.setCurrentIndex(self.styleSheetCombo.count()-1) @Slot() def on_saveButton_clicked(self): if PATH.IS_SCREEN: DIR = PATH.SCREENDIR else: DIR = PATH.PANELDIR if os.path.exists(self.preferencePath): DIR = os.path.dirname(self.preferencePath) dialog = QFileDialog(self) options = QFileDialog.Options() options |= QFileDialog.DontUseNativeDialog dialog.setOptions(options) dialog.setDirectory(DIR) dialog.setFileMode(QFileDialog.AnyFile) dialog.setNameFilter("style files (*.qss *.style);;All files (*.*)") dialog.setWindowTitle('Save StyleSheet') dialog.setLabelText( QFileDialog.Accept, "Save" ) # sidebar links urls = [] urls.append(QUrl.fromLocalFile(os.path.expanduser('~'))) urls.append(QUrl.fromLocalFile(DIR)) urls.append(QUrl.fromLocalFile(os.path.join(os.getcwd(),'qtvcp/screens',PATH.BASENAME))) dialog.setSidebarUrls(urls) result = dialog.exec() if result: fileName = dialog.selectedFiles()[0] self.saveStyleSheet(fileName) @Slot() def on_closeButton_clicked(self): self.close() @Slot() def on_clearButton_clicked(self): self.styleTextEdit.clear() @Slot() def on_copyButton_clicked(self): self.styleTextEdit.setPlainText(self.styleTextView.toPlainText()) @Slot() def on_colorButton_clicked(self): _color = QColorDialog.getColor() if _color.isValid(): Color = _color.name() self.colorButton.setStyleSheet('QPushButton {background-color: %s ;}'% Color) self.styleTextEdit.insertPlainText(Color) def loadStyleSheet(self, sheetName): if sheetName == 'None': self.styleTextView.setPlainText('') styleSheet = '' self.styleTextView.setPlainText(styleSheet) return if sheetName == 'As Loaded': styleSheet = self.origStyleSheet else: if PATH.IS_SCREEN: DIR = PATH.SCREENDIR BNAME = PATH.BASENAME else: DIR =PATH.PANELDIR BNAME = PATH.BASENAME qssname = os.path.join(DIR, BNAME, sheetName) self.lineEdit_path.setText(qssname) file = QFile(qssname) file.open(QFile.ReadOnly) styleSheet = file.readAll() self.styleTextView.setPlainText(str(styleSheet, encoding='utf8')) def saveStyleSheet(self, fileName): styleSheet = self.styleTextEdit.toPlainText() file = QFile(fileName) if file.open(QFile.WriteOnly): QTextStream(file) << styleSheet else: QMessageBox.information(self, "Unable to open file", file.errorString())