--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/UI/SymbolsWidget.py Thu Jul 07 11:23:56 2022 +0200
@@ -0,0 +1,615 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2010 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a widget to select a symbol in various formats.
+"""
+
+import sys
+import unicodedata
+import html.entities
+
+from PyQt6.QtCore import (
+ pyqtSlot, pyqtSignal, QAbstractTableModel, QModelIndex, Qt,
+ QItemSelectionModel, QLocale
+)
+from PyQt6.QtGui import QColor
+from PyQt6.QtWidgets import QWidget, QHeaderView, QAbstractItemView
+
+from EricWidgets.EricApplication import ericApp
+
+from .Ui_SymbolsWidget import Ui_SymbolsWidget
+
+import UI.PixmapCache
+import Preferences
+
+
+class SymbolsModel(QAbstractTableModel):
+ """
+ Class implementing the model for the symbols widget.
+ """
+ def __init__(self, parent=None):
+ """
+ Constructor
+
+ @param parent reference to the parent object (QObject)
+ """
+ super().__init__(parent)
+
+ self.__locale = QLocale()
+
+ self.__headerData = [
+ self.tr("Code"),
+ self.tr("Char"),
+ self.tr("Hex"),
+ self.tr("HTML"),
+ self.tr("Name"),
+ ]
+
+ self.__isDark = ericApp().usesDarkPalette()
+
+ self.__tables = [
+ # first last display name
+ (0x0, 0x1f, self.tr("Control Characters")),
+ (0x20, 0x7f, self.tr("Basic Latin")),
+ (0x80, 0xff, self.tr("Latin-1 Supplement")),
+ (0x100, 0x17f, self.tr("Latin Extended-A")),
+ (0x180, 0x24f, self.tr("Latin Extended-B")),
+ (0x250, 0x2af, self.tr("IPA Extensions")),
+ (0x2b0, 0x2ff, self.tr("Spacing Modifier Letters")),
+ (0x300, 0x36f, self.tr("Combining Diacritical Marks")),
+ (0x370, 0x3ff, self.tr("Greek and Coptic")),
+ (0x400, 0x4ff, self.tr("Cyrillic")),
+ (0x500, 0x52f, self.tr("Cyrillic Supplement")),
+ (0x530, 0x58f, self.tr("Armenian")),
+ (0x590, 0x5ff, self.tr("Hebrew")),
+ (0x600, 0x6ff, self.tr("Arabic")),
+ (0x700, 0x74f, self.tr("Syriac")),
+ (0x780, 0x7bf, self.tr("Thaana")),
+ (0x7c0, 0x7ff, self.tr("N'Ko")),
+ (0x800, 0x83f, self.tr("Samaritan")),
+ (0x840, 0x85f, self.tr("Mandaic")),
+ (0x8a0, 0x8ff, self.tr("Arabic Extended-A")),
+ (0x900, 0x97f, self.tr("Devanagari")),
+ (0x980, 0x9ff, self.tr("Bengali")),
+ (0xa00, 0xa7f, self.tr("Gurmukhi")),
+ (0xa80, 0xaff, self.tr("Gujarati")),
+ (0xb00, 0xb7f, self.tr("Oriya")),
+ (0xb80, 0xbff, self.tr("Tamil")),
+ (0xc00, 0xc7f, self.tr("Telugu")),
+ (0xc80, 0xcff, self.tr("Kannada")),
+ (0xd00, 0xd7f, self.tr("Malayalam")),
+ (0xd80, 0xdff, self.tr("Sinhala")),
+ (0xe00, 0xe7f, self.tr("Thai")),
+ (0xe80, 0xeff, self.tr("Lao")),
+ (0xf00, 0xfff, self.tr("Tibetan")),
+ (0x1000, 0x109f, self.tr("Myanmar")),
+ (0x10a0, 0x10ff, self.tr("Georgian")),
+ (0x1100, 0x11ff, self.tr("Hangul Jamo")),
+ (0x1200, 0x137f, self.tr("Ethiopic")),
+ (0x1380, 0x139f, self.tr("Ethiopic Supplement")),
+ (0x13a0, 0x13ff, self.tr("Cherokee")),
+ (0x1400, 0x167f,
+ self.tr("Unified Canadian Aboriginal Syllabics")),
+ (0x1680, 0x169f, self.tr("Ogham")),
+ (0x16a0, 0x16ff, self.tr("Runic")),
+ (0x1700, 0x171f, self.tr("Tagalog")),
+ (0x1720, 0x173f, self.tr("Hanunoo")),
+ (0x1740, 0x175f, self.tr("Buhid")),
+ (0x1760, 0x177f, self.tr("Tagbanwa")),
+ (0x1780, 0x17ff, self.tr("Khmer")),
+ (0x1800, 0x18af, self.tr("Mongolian")),
+ (0x18b0, 0x18ff,
+ self.tr("Unified Canadian Aboriginal Syllabics Extended")),
+ (0x1900, 0x194f, self.tr("Limbu")),
+ (0x1950, 0x197f, self.tr("Tai Le")),
+ (0x19e0, 0x19ff, self.tr("Khmer Symbols")),
+ (0x1a00, 0x1a1f, self.tr("Buginese")),
+ (0x1a20, 0x1aaf, self.tr("Tai Tham")),
+ (0x1b00, 0x1b7f, self.tr("Balinese")),
+ (0x1b80, 0x1bbf, self.tr("Sundanese")),
+ (0x1bc0, 0x1bff, self.tr("Batak")),
+ (0x1c00, 0x1c4f, self.tr("Lepcha")),
+ (0x1c50, 0x1c7f, self.tr("Ol Chiki")),
+ (0x1cc0, 0x1ccf, self.tr("Sundanese Supplement")),
+ (0x1cd0, 0x1cff, self.tr("Vedic Extensions")),
+ (0x1d00, 0x1d7f, self.tr("Phonetic Extensions")),
+ (0x1d80, 0x1dbf, self.tr("Phonetic Extensions Supplement")),
+ (0x1dc0, 0x1dff,
+ self.tr("Combining Diacritical Marks Supplement")),
+ (0x1e00, 0x1eff, self.tr("Latin Extended Additional")),
+ (0x1f00, 0x1fff, self.tr("Greek Extended")),
+ (0x2000, 0x206f, self.tr("General Punctuation")),
+ (0x2070, 0x209f, self.tr("Superscripts and Subscripts")),
+ (0x20a0, 0x20cf, self.tr("Currency Symbols")),
+ (0x20d0, 0x20ff, self.tr("Combining Diacritical Marks")),
+ (0x2100, 0x214f, self.tr("Letterlike Symbols")),
+ (0x2150, 0x218f, self.tr("Number Forms")),
+ (0x2190, 0x21ff, self.tr("Arcolumns")),
+ (0x2200, 0x22ff, self.tr("Mathematical Operators")),
+ (0x2300, 0x23ff, self.tr("Miscellaneous Technical")),
+ (0x2400, 0x243f, self.tr("Control Pictures")),
+ (0x2440, 0x245f, self.tr("Optical Character Recognition")),
+ (0x2460, 0x24ff, self.tr("Enclosed Alphanumerics")),
+ (0x2500, 0x257f, self.tr("Box Drawing")),
+ (0x2580, 0x259f, self.tr("Block Elements")),
+ (0x25A0, 0x25ff, self.tr("Geometric Shapes")),
+ (0x2600, 0x26ff, self.tr("Miscellaneous Symbols")),
+ (0x2700, 0x27bf, self.tr("Dingbats")),
+ (0x27c0, 0x27ef,
+ self.tr("Miscellaneous Mathematical Symbols-A")),
+ (0x27f0, 0x27ff, self.tr("Supplement Arcolumns-A")),
+ (0x2800, 0x28ff, self.tr("Braille Patterns")),
+ (0x2900, 0x297f, self.tr("Supplement Arcolumns-B")),
+ (0x2980, 0x29ff,
+ self.tr("Miscellaneous Mathematical Symbols-B")),
+ (0x2a00, 0x2aff,
+ self.tr("Supplemental Mathematical Operators")),
+ (0x2b00, 0x2bff,
+ self.tr("Miscellaneous Symbols and Arcolumns")),
+ (0x2c00, 0x2c5f, self.tr("Glagolitic")),
+ (0x2c60, 0x2c7f, self.tr("Latin Extended-C")),
+ (0x2c80, 0x2cff, self.tr("Coptic")),
+ (0x2d00, 0x2d2f, self.tr("Georgian Supplement")),
+ (0x2d30, 0x2d7f, self.tr("Tifinagh")),
+ (0x2d80, 0x2ddf, self.tr("Ethiopic Extended")),
+ (0x2de0, 0x2dff, self.tr("Cyrillic Extended-A")),
+ (0x2e00, 0x2e7f, self.tr("Supplemental Punctuation")),
+ (0x2e80, 0x2eff, self.tr("CJK Radicals Supplement")),
+ (0x2f00, 0x2fdf, self.tr("KangXi Radicals")),
+ (0x2ff0, 0x2fff, self.tr("Ideographic Description Chars")),
+ (0x3000, 0x303f, self.tr("CJK Symbols and Punctuation")),
+ (0x3040, 0x309f, self.tr("Hiragana")),
+ (0x30a0, 0x30ff, self.tr("Katakana")),
+ (0x3100, 0x312f, self.tr("Bopomofo")),
+ (0x3130, 0x318f, self.tr("Hangul Compatibility Jamo")),
+ (0x3190, 0x319f, self.tr("Kanbun")),
+ (0x31a0, 0x31bf, self.tr("Bopomofo Extended")),
+ (0x31c0, 0x31ef, self.tr("CJK Strokes")),
+ (0x31f0, 0x31ff, self.tr("Katakana Phonetic Extensions")),
+ (0x3200, 0x32ff, self.tr("Enclosed CJK Letters and Months")),
+ (0x3300, 0x33ff, self.tr("CJK Compatibility")),
+ (0x3400, 0x4dbf, self.tr("CJK Unified Ideogr. Ext. A")),
+ (0x4dc0, 0x4dff, self.tr("Yijing Hexagram Symbols")),
+ (0x4e00, 0x9fff, self.tr("CJK Unified Ideographs")),
+ (0xa000, 0xa48f, self.tr("Yi Syllables")),
+ (0xa490, 0xa4cf, self.tr("Yi Radicals")),
+ (0xa4d0, 0xa4ff, self.tr("Lisu")),
+ (0xa500, 0xa63f, self.tr("Vai")),
+ (0xa640, 0xa69f, self.tr("Cyrillic Extended-B")),
+ (0xa6a0, 0xa6ff, self.tr("Bamum")),
+ (0xa700, 0xa71f, self.tr("Modifier Tone Letters")),
+ (0xa720, 0xa7ff, self.tr("Latin Extended-D")),
+ (0xa800, 0xa82f, self.tr("Syloti Nagri")),
+ (0xa830, 0xa83f, self.tr("Common Indic Number Forms")),
+ (0xa840, 0xa87f, self.tr("Phags-pa")),
+ (0xa880, 0xa8df, self.tr("Saurashtra")),
+ (0xa8e0, 0xa8ff, self.tr("Devanagari Extended")),
+ (0xa900, 0xa92f, self.tr("Kayah Li")),
+ (0xa930, 0xa95f, self.tr("Rejang")),
+ (0xa960, 0xa97f, self.tr("Hangul Jamo Extended-A")),
+ (0xa980, 0xa9df, self.tr("Javanese")),
+ (0xaa00, 0xaa5f, self.tr("Cham")),
+ (0xaa60, 0xaa7f, self.tr("Myanmar Extended-A")),
+ (0xaa80, 0xaadf, self.tr("Tai Viet")),
+ (0xaae0, 0xaaff, self.tr("Meetei Mayek Extensions")),
+ (0xab00, 0xab2f, self.tr("Ethiopic Extended-A")),
+ (0xabc0, 0xabff, self.tr("Meetei Mayek")),
+ (0xac00, 0xd7af, self.tr("Hangul Syllables")),
+ (0xd7b0, 0xd7ff, self.tr("Hangul Jamo Extended-B")),
+ (0xd800, 0xdb7f, self.tr("High Surrogates")),
+ (0xdb80, 0xdbff, self.tr("High Private Use Surrogates")),
+ (0xdc00, 0xdfff, self.tr("Low Surrogates")),
+ (0xe000, 0xf8ff, self.tr("Private Use")),
+ (0xf900, 0xfaff, self.tr("CJK Compatibility Ideographs")),
+ (0xfb00, 0xfb4f, self.tr("Alphabetic Presentation Forms")),
+ (0xfb50, 0xfdff, self.tr("Arabic Presentation Forms-A")),
+ (0xfe00, 0xfe0f, self.tr("Variation Selectors")),
+ (0xfe10, 0xfe1f, self.tr("Vertical Forms")),
+ (0xfe20, 0xfe2f, self.tr("Combining Half Marks")),
+ (0xfe30, 0xfe4f, self.tr("CJK Compatibility Forms")),
+ (0xfe50, 0xfe6f, self.tr("Small Form Variants")),
+ (0xfe70, 0xfeff, self.tr("Arabic Presentation Forms-B")),
+ (0xff00, 0xffef, self.tr("Half- and Fullwidth Forms")),
+ (0xfff0, 0xffff, self.tr("Specials")),
+ ]
+ if sys.maxunicode > 0xffff:
+ self.__tables.extend([
+ (0x10000, 0x1007f, self.tr("Linear B Syllabary")),
+ (0x10080, 0x100ff, self.tr("Linear B Ideograms")),
+ (0x10100, 0x1013f, self.tr("Aegean Numbers")),
+ (0x10140, 0x1018f, self.tr("Ancient Greek Numbers")),
+ (0x10190, 0x101cf, self.tr("Ancient Symbols")),
+ (0x101d0, 0x101ff, self.tr("Phaistos Disc")),
+ (0x10280, 0x1029f, self.tr("Lycian")),
+ (0x102a0, 0x102df, self.tr("Carian")),
+ (0x10300, 0x1032f, self.tr("Old Italic")),
+ (0x10330, 0x1034f, self.tr("Gothic")),
+ (0x10380, 0x1039f, self.tr("Ugaritic")),
+ (0x103a0, 0x103df, self.tr("Old Persian")),
+ (0x10400, 0x1044f, self.tr("Deseret")),
+ (0x10450, 0x1047f, self.tr("Shavian")),
+ (0x10480, 0x104af, self.tr("Osmanya")),
+ (0x10800, 0x1083f, self.tr("Cypriot Syllabary")),
+ (0x10840, 0x1085f, self.tr("Imperial Aramaic")),
+ (0x10900, 0x1091f, self.tr("Phoenician")),
+ (0x10920, 0x1093f, self.tr("Lydian")),
+ (0x10980, 0x1099f, self.tr("Meroitic Hieroglyphs")),
+ (0x109a0, 0x109ff, self.tr("Meroitic Cursive")),
+ (0x10a00, 0x10a5f, self.tr("Kharoshthi")),
+ (0x10a60, 0x10a7f, self.tr("Old South Arabian")),
+ (0x10b00, 0x10b3f, self.tr("Avestan")),
+ (0x10b40, 0x10b5f, self.tr("Inscriptional Parthian")),
+ (0x10b60, 0x10b7f, self.tr("Inscriptional Pahlavi")),
+ (0x10c00, 0x10c4f, self.tr("Old Turkic")),
+ (0x10e60, 0x10e7f, self.tr("Rumi Numeral Symbols")),
+ (0x11000, 0x1107f, self.tr("Brahmi")),
+ (0x11080, 0x110cf, self.tr("Kaithi")),
+ (0x110d0, 0x110ff, self.tr("Sora Sompeng")),
+ (0x11100, 0x1114f, self.tr("Chakma")),
+ (0x11180, 0x111df, self.tr("Sharada")),
+ (0x11680, 0x116cf, self.tr("Takri")),
+ (0x12000, 0x123ff, self.tr("Cuneiform")),
+ (0x12400, 0x1247f,
+ self.tr("Cuneiform Numbers and Punctuation")),
+ (0x13000, 0x1342f, self.tr("Egyptian Hieroglyphs")),
+ (0x16800, 0x16a3f, self.tr("Bamum Supplement")),
+ (0x16f00, 0x16f9f, self.tr("Miao")),
+ (0x1b000, 0x1b0ff, self.tr("Kana Supplement")),
+ (0x1d000, 0x1d0ff, self.tr("Byzantine Musical Symbols")),
+ (0x1d100, 0x1d1ff, self.tr("Musical Symbols")),
+ (0x1d200, 0x1d24f,
+ self.tr("Ancient Greek Musical Notation")),
+ (0x1d300, 0x1d35f, self.tr("Tai Xuan Jing Symbols")),
+ (0x1d360, 0x1d37f,
+ self.tr("Counting Rod Numerals")),
+ (0x1d400, 0x1d7ff,
+ self.tr("Mathematical Alphanumeric Symbols")),
+ (0x1ee00, 0x1eeff,
+ self.tr("Arabic Mathematical Alphabetic Symbols")),
+ (0x1f000, 0x1f02f, self.tr("Mahjong Tiles")),
+ (0x1f030, 0x1f09f, self.tr("Domino Tiles")),
+ (0x1f0a0, 0x1f0ff, self.tr("Playing Cards")),
+ (0x1f100, 0x1f1ff,
+ self.tr("Enclosed Alphanumeric Supplement")),
+ (0x1f200, 0x1f2ff,
+ self.tr("Enclosed Ideographic Supplement")),
+ (0x1f300, 0x1f5ff,
+ self.tr("Miscellaneous Symbols And Pictographs")),
+ (0x1f600, 0x1f64f, self.tr("Emoticons")),
+ (0x1f680, 0x1f6ff, self.tr("Transport And Map Symbols")),
+ (0x1f700, 0x1f77f, self.tr("Alchemical Symbols")),
+ (0x20000, 0x2a6df, self.tr("CJK Unified Ideogr. Ext. B")),
+ (0x2a700, 0x2b73f,
+ self.tr("CJK Unified Ideographs Extension C")),
+ (0x2b740, 0x2b81f,
+ self.tr("CJK Unified Ideographs Extension D")),
+ (0x2f800, 0x2fa1f,
+ self.tr("CJK Compatapility Ideogr. Suppl.")),
+ (0xe0000, 0xe007f, self.tr("Tags")),
+ (0xe0100, 0xe01ef,
+ self.tr("Variation Selectors Supplement")),
+ (0xf0000, 0xfffff,
+ self.tr("Supplementary Private Use Area-A")),
+ (0x100000, 0x10ffff,
+ self.tr("Supplementary Private Use Area-B")),
+ ])
+ self.__currentTableIndex = 0
+
+ def getTableNames(self):
+ """
+ Public method to get a list of table names.
+
+ @return list of table names (list of strings)
+ """
+ return [table[2] for table in self.__tables]
+
+ def getTableBoundaries(self, index):
+ """
+ Public method to get the first and last character position
+ of the given table.
+
+ @param index index of the character table (integer)
+ @return first and last character position (integer, integer)
+ """
+ return self.__tables[index][0], self.__tables[index][1]
+
+ def getTableIndex(self):
+ """
+ Public method to get the current table index.
+
+ @return current table index (integer)
+ """
+ return self.__currentTableIndex
+
+ def selectTable(self, index):
+ """
+ Public method to select the shown character table.
+
+ @param index index of the character table (integer)
+ """
+ self.beginResetModel()
+ self.__currentTableIndex = index
+ self.endResetModel()
+
+ def headerData(self, section, orientation,
+ role=Qt.ItemDataRole.DisplayRole):
+ """
+ Public method to get header data from the model.
+
+ @param section section number (integer)
+ @param orientation orientation (Qt.Orientation)
+ @param role role of the data to retrieve (Qt.ItemDataRole)
+ @return requested data
+ """
+ if (
+ orientation == Qt.Orientation.Horizontal and
+ role == Qt.ItemDataRole.DisplayRole
+ ):
+ return self.__headerData[section]
+
+ return QAbstractTableModel.headerData(self, section, orientation, role)
+
+ def data(self, index, role=Qt.ItemDataRole.DisplayRole):
+ """
+ Public method to get data from the model.
+
+ @param index index to get data for (QModelIndex)
+ @param role role of the data to retrieve (integer)
+ @return requested data
+ """
+ symbolId = self.__tables[self.__currentTableIndex][0] + index.row()
+
+ if role == Qt.ItemDataRole.DisplayRole:
+ col = index.column()
+ if col == 0:
+ return self.__locale.toString(symbolId)
+ elif col == 1:
+ return chr(symbolId)
+ elif col == 2:
+ return "0x{0:04x}".format(symbolId)
+ elif col == 3:
+ if symbolId in html.entities.codepoint2name:
+ return "&{0};".format(
+ html.entities.codepoint2name[symbolId])
+ elif col == 4:
+ return unicodedata.name(chr(symbolId), '').title()
+
+ if (
+ role == Qt.ItemDataRole.BackgroundRole and
+ index.column() == 0
+ ):
+ if self.__isDark:
+ return QColor("#4d4d4d")
+ else:
+ return QColor(Qt.GlobalColor.lightGray)
+
+ if role == Qt.ItemDataRole.ForegroundRole:
+ char = chr(symbolId)
+ if self.__isDark:
+ if self.__isDigit(char):
+ return QColor("#8787ff")
+ elif self.__isLetter(char):
+ return QColor("#87ff87")
+ elif self.__isMark(char):
+ return QColor("#ff8787")
+ elif self.__isSymbol(char):
+ return QColor("#ffc060")
+ elif self.__isPunct(char):
+ return QColor("#d080ff")
+ else:
+ return QColor(Qt.GlobalColor.lightGray)
+ else:
+ if self.__isDigit(char):
+ return QColor(Qt.GlobalColor.darkBlue)
+ elif self.__isLetter(char):
+ return QColor(Qt.GlobalColor.darkGreen)
+ elif self.__isMark(char):
+ return QColor(Qt.GlobalColor.darkRed)
+ elif self.__isSymbol(char):
+ return QColor(Qt.GlobalColor.darkYellow)
+ elif self.__isPunct(char):
+ return QColor(Qt.GlobalColor.darkMagenta)
+ else:
+ return QColor(Qt.GlobalColor.darkGray)
+
+ if (
+ role == Qt.ItemDataRole.TextAlignmentRole and
+ index.column() in [0, 1, 3]
+ ):
+ return Qt.AlignmentFlag.AlignHCenter.value
+
+ return None
+
+ def columnCount(self, parent):
+ """
+ Public method to get the number of columns of the model.
+
+ @param parent parent index (QModelIndex)
+ @return number of columns (integer)
+ """
+ if parent.column() > 0:
+ return 0
+ else:
+ return len(self.__headerData)
+
+ def rowCount(self, parent):
+ """
+ Public method to get the number of rows of the model.
+
+ @param parent parent index (QModelIndex)
+ @return number of columns (integer)
+ """
+ if parent.isValid():
+ return 0
+ else:
+ first, last = self.__tables[self.__currentTableIndex][:2]
+ return last - first + 1
+
+ def __isDigit(self, char):
+ """
+ Private method to check, if a character is a digit.
+
+ @param char character to test (one character string)
+ @return flag indicating a digit (boolean)
+ """
+ return unicodedata.category(str(char)) == "Nd"
+
+ def __isLetter(self, char):
+ """
+ Private method to check, if a character is a letter.
+
+ @param char character to test (one character string)
+ @return flag indicating a letter (boolean)
+ """
+ return unicodedata.category(str(char)) in ["Lu", "Ll", "Lt", "Lm",
+ "Lo"]
+
+ def __isMark(self, char):
+ """
+ Private method to check, if a character is a mark character.
+
+ @param char character to test (one character string)
+ @return flag indicating a mark character (boolean)
+ """
+ return unicodedata.category(str(char)) in ["Mn", "Mc", "Me"]
+
+ def __isSymbol(self, char):
+ """
+ Private method to check, if a character is a symbol.
+
+ @param char character to test (one character string)
+ @return flag indicating a symbol (boolean)
+ """
+ return unicodedata.category(str(char)) in ["Sm", "Sc", "Sk", "So"]
+
+ def __isPunct(self, char):
+ """
+ Private method to check, if a character is a punctuation character.
+
+ @param char character to test (one character string)
+ @return flag indicating a punctuation character (boolean)
+ """
+ return unicodedata.category(str(char)) in ["Pc", "Pd", "Ps", "Pe",
+ "Pi", "Pf", "Po"]
+
+ def getLocale(self):
+ """
+ Public method to get the used locale.
+
+ @return used locale
+ @rtype QLocale
+ """
+ return self.__locale
+
+
+class SymbolsWidget(QWidget, Ui_SymbolsWidget):
+ """
+ Class implementing a widget to select a symbol in various formats.
+
+ @signal insertSymbol(str) emitted after the user has selected a symbol
+ """
+ insertSymbol = pyqtSignal(str)
+
+ def __init__(self, parent=None):
+ """
+ Constructor
+
+ @param parent reference to the parent widget (QWidget)
+ """
+ super().__init__(parent)
+ self.setupUi(self)
+
+ self.setWindowIcon(UI.PixmapCache.getIcon("eric"))
+
+ self.__model = SymbolsModel(self)
+ self.symbolsTable.setModel(self.__model)
+ self.symbolsTable.selectionModel().currentRowChanged.connect(
+ self.__currentRowChanged)
+
+ self.symbolsTable.horizontalHeader().setSectionResizeMode(
+ QHeaderView.ResizeMode.Fixed)
+ fm = self.fontMetrics()
+ try:
+ em = fm.horizontalAdvance("M")
+ except AttributeError:
+ em = fm.width("M")
+ self.symbolsTable.horizontalHeader().resizeSection(0, em * 5)
+ self.symbolsTable.horizontalHeader().resizeSection(1, em * 5)
+ self.symbolsTable.horizontalHeader().resizeSection(2, em * 6)
+ self.symbolsTable.horizontalHeader().resizeSection(3, em * 8)
+ self.symbolsTable.horizontalHeader().resizeSection(4, em * 85)
+ self.symbolsTable.verticalHeader().setDefaultSectionSize(
+ fm.height() + 4)
+
+ tableIndex = int(
+ Preferences.getSettings().value("Symbols/CurrentTable", 1))
+ self.tableCombo.addItems(self.__model.getTableNames())
+ self.tableCombo.setCurrentIndex(tableIndex)
+
+ index = self.__model.index(
+ int(Preferences.getSettings().value("Symbols/Top", 0)),
+ 0)
+ self.symbolsTable.scrollTo(
+ index, QAbstractItemView.ScrollHint.PositionAtTop)
+ self.symbolsTable.selectionModel().setCurrentIndex(
+ index,
+ QItemSelectionModel.SelectionFlag.SelectCurrent |
+ QItemSelectionModel.SelectionFlag.Rows
+ )
+
+ @pyqtSlot(QModelIndex)
+ def on_symbolsTable_activated(self, index):
+ """
+ Private slot to signal the selection of a symbol.
+
+ @param index index of the selected symbol (QModelIndex)
+ """
+ txt = self.__model.data(index)
+ if txt:
+ self.insertSymbol.emit(txt)
+
+ @pyqtSlot()
+ def on_symbolSpinBox_editingFinished(self):
+ """
+ Private slot to move the table to the entered symbol id.
+ """
+ symbolId = self.symbolSpinBox.value()
+ first, last = self.__model.getTableBoundaries(
+ self.__model.getTableIndex())
+ row = symbolId - first
+ self.symbolsTable.selectRow(row)
+ self.symbolsTable.scrollTo(
+ self.__model.index(row, 0),
+ QAbstractItemView.ScrollHint.PositionAtCenter)
+
+ @pyqtSlot(int)
+ def on_tableCombo_currentIndexChanged(self, index):
+ """
+ Private slot to select the current character table.
+
+ @param index index of the character table (integer)
+ """
+ self.symbolsTable.setUpdatesEnabled(False)
+ self.__model.selectTable(index)
+ self.symbolsTable.setUpdatesEnabled(True)
+ self.symbolsTable.resizeColumnsToContents()
+
+ first, last = self.__model.getTableBoundaries(index)
+ self.symbolSpinBox.setMinimum(first)
+ self.symbolSpinBox.setMaximum(last)
+
+ Preferences.getSettings().setValue("Symbols/CurrentTable", index)
+
+ def __currentRowChanged(self, current, previous):
+ """
+ Private slot recording the currently selected row.
+
+ @param current current index (QModelIndex)
+ @param previous previous current index (QModelIndex)
+ """
+ Preferences.getSettings().setValue("Symbols/Top", current.row())
+ self.symbolSpinBox.setValue(self.__model.getLocale().toInt(
+ self.__model.data(self.__model.index(current.row(), 0)))[0])
