Added a quote symbol selection dialog

nw/gui/custom.py

@@ -30,17 +30,17 @@
 import logging
 import nw
 
-from PyQt5.QtGui import QColor, QPalette, QPainter
+from PyQt5.QtGui import QColor, QPalette, QPainter, QFontMetrics
 from PyQt5.QtCore import (
     Qt, QRect, QPoint, QSize, QRectF, QPropertyAnimation, pyqtProperty
 )
 from PyQt5.QtWidgets import (
     QGridLayout, QLabel, QWidget, QVBoxLayout, QHBoxLayout, QSizePolicy,
-    QAbstractButton, QDialog, QTabWidget, QTabBar, QStyle,
-    QStylePainter, QStyleOptionTab
+    QAbstractButton, QDialog, QTabWidget, QTabBar, QStyle, QDialogButtonBox,
+    QStylePainter, QStyleOptionTab, QListWidget, QListWidgetItem, QFrame
 )
 
-from nw.constants import nwUnicode
+from nw.constants import nwUnicode, nwQuotes
 
 logger = logging.getLogger(__name__)
 
@@ -436,3 +436,99 @@ class VerticalTabBar(QTabBar):
         return
 
 # END Class VerticalTabBar
+
+# =============================================================================================== #
+#  Quotes Dialog
+# =============================================================================================== #
+
+class QuotesDialog(QDialog):
+
+    def __init__(self, theParent=None, currentQuote="\""):
+        QDialog.__init__(self, parent=theParent)
+
+        self.mainConf = nw.CONFIG
+
+        self.outerBox = QVBoxLayout()
+        self.innerBox = QHBoxLayout()
+        self.labelBox = QVBoxLayout()
+
+        self.selectedQuote = currentQuote
+
+        qMetrics = QFontMetrics(self.font())
+        pxW = 7*qMetrics.boundingRectChar("M").width()
+        pxH = 7*qMetrics.boundingRectChar("M").height()
+        pxH = 7*qMetrics.boundingRectChar("M").height()
+
+        lblFont = self.font()
+        lblFont.setPointSizeF(4*lblFont.pointSizeF())
+
+        # Preview Label
+        self.previewLabel = QLabel(currentQuote)
+        self.previewLabel.setFont(lblFont)
+        self.previewLabel.setFixedSize(QSize(pxW, pxH))
+        self.previewLabel.setAlignment(Qt.AlignCenter)
+        self.previewLabel.setFrameStyle(QFrame.Box | QFrame.Plain)
+
+        # Quote Symbols
+        self.listBox = QListWidget()
+        self.listBox.itemSelectionChanged.connect(self._selectedSymbol)
+
+        minSize = 100
+        for sKey, sLabel in nwQuotes.SYMBOLS.items():
+            theText = "[ %s ] %s" % (sKey, sLabel)
+            minSize = max(minSize, qMetrics.boundingRect(theText).width())
+            qtItem = QListWidgetItem(theText)
+            qtItem.setData(Qt.UserRole, sKey)
+            self.listBox.addItem(qtItem)
+            if sKey == currentQuote:
+                self.listBox.setCurrentItem(qtItem)
+
+        self.listBox.setMinimumWidth(minSize + self.mainConf.pxInt(40))
+        self.listBox.setMinimumHeight(self.mainConf.pxInt(150))
+
+        # Buttons
+        self.buttonBox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
+        self.buttonBox.accepted.connect(self._doAccept)
+        self.buttonBox.rejected.connect(self._doReject)
+
+        # Assemble
+        self.labelBox.addWidget(self.previewLabel, 0, Qt.AlignTop)
+        self.labelBox.addStretch(1)
+
+        self.innerBox.addLayout(self.labelBox)
+        self.innerBox.addWidget(self.listBox)
+
+        self.outerBox.addLayout(self.innerBox)
+        self.outerBox.addWidget(self.buttonBox)
+
+        self.setLayout(self.outerBox)
+
+        return
+
+    ##
+    #  Slots
+    ##
+
+    def _selectedSymbol(self):
+        """Update the preview label and the selected quote style.
+        """
+        selItems = self.listBox.selectedItems()
+        if selItems:
+            theSymbol = selItems[0].data(Qt.UserRole)
+            self.previewLabel.setText(theSymbol)
+            self.selectedQuote = theSymbol
+        return
+
+    def _doAccept(self):
+        """Ok button clicked.
+        """
+        self.accept()
+        return
+
+    def _doReject(self):
+        """Cancel button clicked.
+        """
+        self.reject()
+        return
+
+# END Class QuotesDialog