Mercurial Repositories > eric / file comparison
comparison: src/eric7/WebBrowser/GreaseMonkey/GreaseMonkeyConfiguration/GreaseMonkeyConfigurationListDelegate.py
src/eric7/WebBrowser/GreaseMonkey/GreaseMonkeyConfiguration/GreaseMonkeyConfigurationListDelegate.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 9162
- 8b75b1668583
- child 9221
- bf71ee032bb4
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| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a delegate for the special list widget for GreaseMonkey | |
| 8 scripts. | |
| 9 """ | |
| 10 | |
| 11 from PyQt6.QtCore import Qt, QSize, QRect | |
| 12 from PyQt6.QtGui import QFontMetrics, QPalette, QFont | |
| 13 from PyQt6.QtWidgets import QStyle, QStyledItemDelegate, QApplication | |
| 14 from PyQt6.QtWidgets import QStyleOptionViewItem | |
| 15 | |
| 16 import UI.PixmapCache | |
| 17 import Globals | |
| 18 | |
| 19 | |
| 20 class GreaseMonkeyConfigurationListDelegate(QStyledItemDelegate): | |
| 21 """ | |
| 22 Class implementing a delegate for the special list widget for GreaseMonkey | |
| 23 scripts. | |
| 24 """ | |
| 25 IconSize = 32 | |
| 26 RemoveIconSize = 16 | |
| 27 CheckBoxSize = 18 | |
| 28 MinPadding = 5 | |
| 29 ItemWidth = 200 | |
| 30 | |
| 31 def __init__(self, parent=None): | |
| 32 """ | |
| 33 Constructor | |
| 34 | |
| 35 @param parent reference to the parent object (QObject) | |
| 36 """ | |
| 37 super().__init__(parent) | |
| 38 | |
| 39 self.__removePixmap = UI.PixmapCache.getIcon( | |
| 40 "greaseMonkeyTrash").pixmap( | |
| 41 GreaseMonkeyConfigurationListDelegate.RemoveIconSize) | |
| 42 self.__rowHeight = 0 | |
| 43 self.__padding = 0 | |
| 44 | |
| 45 def padding(self): | |
| 46 """ | |
| 47 Public method to get the padding used. | |
| 48 | |
| 49 @return padding used (integer) | |
| 50 """ | |
| 51 return self.__padding | |
| 52 | |
| 53 def paint(self, painter, option, index): | |
| 54 """ | |
| 55 Public method to paint the specified list item. | |
| 56 | |
| 57 @param painter painter object to paint to (QPainter) | |
| 58 @param option style option used for painting (QStyleOptionViewItem) | |
| 59 @param index model index of the item (QModelIndex) | |
| 60 """ | |
| 61 opt = QStyleOptionViewItem(option) | |
| 62 self.initStyleOption(opt, index) | |
| 63 | |
| 64 widget = opt.widget | |
| 65 style = widget.style() if widget is not None else QApplication.style() | |
| 66 height = opt.rect.height() | |
| 67 center = height // 2 + opt.rect.top() | |
| 68 | |
| 69 # Prepare title font | |
| 70 titleFont = QFont(opt.font) | |
| 71 titleFont.setBold(True) | |
| 72 titleFont.setPointSize(titleFont.pointSize() + 1) | |
| 73 | |
| 74 titleMetrics = QFontMetrics(titleFont) | |
| 75 colorRole = ( | |
| 76 QPalette.ColorRole.Text | |
| 77 if Globals.isWindowsPlatform() else | |
| 78 (QPalette.ColorRole.HighlightedText | |
| 79 if opt.state & QStyle.StateFlag.State_Selected else | |
| 80 QPalette.ColorRole.Text) | |
| 81 ) | |
| 82 | |
| 83 leftPos = self.__padding | |
| 84 rightPos = ( | |
| 85 opt.rect.right() - self.__padding - | |
| 86 GreaseMonkeyConfigurationListDelegate.RemoveIconSize | |
| 87 ) | |
| 88 | |
| 89 # Draw background | |
| 90 style.drawPrimitive( | |
| 91 QStyle.PrimitiveElement.PE_PanelItemViewItem, opt, painter, widget) | |
| 92 | |
| 93 # Draw checkbox | |
| 94 checkBoxYPos = ( | |
| 95 center - | |
| 96 GreaseMonkeyConfigurationListDelegate.CheckBoxSize // 2 | |
| 97 ) | |
| 98 opt2 = QStyleOptionViewItem(opt) | |
| 99 if opt2.checkState == Qt.CheckState.Checked: | |
| 100 opt2.state |= QStyle.StateFlag.State_On | |
| 101 else: | |
| 102 opt2.state |= QStyle.StateFlag.State_Off | |
| 103 styleCheckBoxRect = style.subElementRect( | |
| 104 QStyle.SubElement.SE_CheckBoxIndicator, opt2, widget) | |
| 105 opt2.rect = QRect( | |
| 106 leftPos, checkBoxYPos, | |
| 107 styleCheckBoxRect.width(), styleCheckBoxRect.height()) | |
| 108 style.drawPrimitive( | |
| 109 QStyle.PrimitiveElement.PE_IndicatorCheckBox, opt2, painter, | |
| 110 widget) | |
| 111 leftPos = opt2.rect.right() + self.__padding | |
| 112 | |
| 113 # Draw icon | |
| 114 iconYPos = center - GreaseMonkeyConfigurationListDelegate.IconSize // 2 | |
| 115 iconRect = QRect(leftPos, iconYPos, | |
| 116 GreaseMonkeyConfigurationListDelegate.IconSize, | |
| 117 GreaseMonkeyConfigurationListDelegate.IconSize) | |
| 118 pixmap = index.data(Qt.ItemDataRole.DecorationRole).pixmap( | |
| 119 GreaseMonkeyConfigurationListDelegate.IconSize) | |
| 120 painter.drawPixmap(iconRect, pixmap) | |
| 121 leftPos = iconRect.right() + self.__padding | |
| 122 | |
| 123 # Draw script name | |
| 124 name = index.data(Qt.ItemDataRole.DisplayRole) | |
| 125 leftTitleEdge = leftPos + 2 | |
| 126 rightTitleEdge = rightPos - self.__padding | |
| 127 try: | |
| 128 leftPosForVersion = ( | |
| 129 titleMetrics.horizontalAdvance(name) + self.__padding | |
| 130 ) | |
| 131 except AttributeError: | |
| 132 leftPosForVersion = titleMetrics.width(name) + self.__padding | |
| 133 nameRect = QRect(leftTitleEdge, opt.rect.top() + self.__padding, | |
| 134 rightTitleEdge - leftTitleEdge, titleMetrics.height()) | |
| 135 painter.setFont(titleFont) | |
| 136 style.drawItemText( | |
| 137 painter, nameRect, | |
| 138 Qt.AlignmentFlag.AlignLeft, opt.palette, True, | |
| 139 name, colorRole) | |
| 140 | |
| 141 # Draw version | |
| 142 version = index.data(Qt.ItemDataRole.UserRole) | |
| 143 versionRect = QRect( | |
| 144 nameRect.x() + leftPosForVersion, nameRect.y(), | |
| 145 rightTitleEdge - leftTitleEdge, titleMetrics.height()) | |
| 146 versionFont = titleFont | |
| 147 painter.setFont(versionFont) | |
| 148 style.drawItemText( | |
| 149 painter, versionRect, | |
| 150 Qt.AlignmentFlag.AlignLeft, opt.palette, | |
| 151 True, version, colorRole) | |
| 152 | |
| 153 # Draw description | |
| 154 infoYPos = nameRect.bottom() + opt.fontMetrics.leading() | |
| 155 infoRect = QRect( | |
| 156 nameRect.x(), infoYPos, | |
| 157 nameRect.width(), opt.fontMetrics.height()) | |
| 158 info = opt.fontMetrics.elidedText( | |
| 159 index.data(Qt.ItemDataRole.UserRole + 1), | |
| 160 Qt.TextElideMode.ElideRight, infoRect.width()) | |
| 161 painter.setFont(opt.font) | |
| 162 style.drawItemText( | |
| 163 painter, infoRect, | |
| 164 Qt.AlignmentFlag.AlignLeft | Qt.TextFlag.TextSingleLine, | |
| 165 opt.palette, True, info, colorRole) | |
| 166 | |
| 167 # Draw remove button | |
| 168 removeIconYPos = ( | |
| 169 center - | |
| 170 GreaseMonkeyConfigurationListDelegate.RemoveIconSize // 2 | |
| 171 ) | |
| 172 removeIconRect = QRect( | |
| 173 rightPos, removeIconYPos, | |
| 174 GreaseMonkeyConfigurationListDelegate.RemoveIconSize, | |
| 175 GreaseMonkeyConfigurationListDelegate.RemoveIconSize) | |
| 176 painter.drawPixmap(removeIconRect, self.__removePixmap) | |
| 177 | |
| 178 def sizeHint(self, option, index): | |
| 179 """ | |
| 180 Public method to get a size hint for the specified list item. | |
| 181 | |
| 182 @param option style option used for painting (QStyleOptionViewItem) | |
| 183 @param index model index of the item (QModelIndex) | |
| 184 @return size hint (QSize) | |
| 185 """ | |
| 186 if not self.__rowHeight: | |
| 187 opt = QStyleOptionViewItem(option) | |
| 188 self.initStyleOption(opt, index) | |
| 189 | |
| 190 widget = opt.widget | |
| 191 style = ( | |
| 192 widget.style() if widget is not None | |
| 193 else QApplication.style() | |
| 194 ) | |
| 195 padding = style.pixelMetric( | |
| 196 QStyle.PixelMetric.PM_FocusFrameHMargin) + 1 | |
| 197 | |
| 198 titleFont = opt.font | |
| 199 titleFont.setBold(True) | |
| 200 titleFont.setPointSize(titleFont.pointSize() + 1) | |
| 201 | |
| 202 self.__padding = ( | |
| 203 padding | |
| 204 if padding > GreaseMonkeyConfigurationListDelegate.MinPadding | |
| 205 else GreaseMonkeyConfigurationListDelegate.MinPadding | |
| 206 ) | |
| 207 | |
| 208 titleMetrics = QFontMetrics(titleFont) | |
| 209 | |
| 210 self.__rowHeight = ( | |
| 211 2 * self.__padding + | |
| 212 opt.fontMetrics.leading() + | |
| 213 opt.fontMetrics.height() + | |
| 214 titleMetrics.height() | |
| 215 ) | |
| 216 | |
| 217 return QSize(GreaseMonkeyConfigurationListDelegate.ItemWidth, | |
| 218 self.__rowHeight) |
