Mercurial Repositories > eric / file comparison
comparison: Helpviewer/GreaseMonkey/GreaseMonkeyConfiguration/GreaseMonkeyConfigurationListDelegate.py
Helpviewer/GreaseMonkey/GreaseMonkeyConfiguration/GreaseMonkeyConfigurationListDelegate.py
- changeset 1953
- 26aa6fd94dc2
- child 2077
- 68a34718a0ce
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| 1952:af4103f0e93f | 1953:26aa6fd94dc2 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a delegate for the special list widget for GreaseMonkey scripts. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import Qt, QSize, QRect | |
| 11 from PyQt4.QtGui import QStyle, QStyledItemDelegate, QStyleOptionViewItemV4, \ | |
| 12 QApplication, QFontMetrics, QPalette, QFont | |
| 13 | |
| 14 import UI.PixmapCache | |
| 15 import Globals | |
| 16 | |
| 17 | |
| 18 class GreaseMonkeyConfigurationListDelegate(QStyledItemDelegate): | |
| 19 """ | |
| 20 Class implementing a delegate for the special list widget for GreaseMonkey scripts. | |
| 21 """ | |
| 22 IconSize = 32 | |
| 23 RemoveIconSize = 16 | |
| 24 CheckBoxSize = 18 | |
| 25 MinPadding = 5 | |
| 26 ItemWidth = 200 | |
| 27 | |
| 28 def __init__(self, parent=None): | |
| 29 """ | |
| 30 Constructor | |
| 31 | |
| 32 @param parent reference to the parent object (QObject) | |
| 33 """ | |
| 34 super().__init__(parent) | |
| 35 | |
| 36 self.__removePixmap = UI.PixmapCache.getIcon("greaseMonkeyTrash.png").pixmap( | |
| 37 GreaseMonkeyConfigurationListDelegate.RemoveIconSize) | |
| 38 self.__rowHeight = 0 | |
| 39 self.__padding = 0 | |
| 40 | |
| 41 def padding(self): | |
| 42 """ | |
| 43 Public method to get the padding used. | |
| 44 | |
| 45 @return padding used (integer) | |
| 46 """ | |
| 47 return self.__padding | |
| 48 | |
| 49 def paint(self, painter, option, index): | |
| 50 """ | |
| 51 Public method to paint the specified list item. | |
| 52 | |
| 53 @param painter painter object to paint to (QPainter) | |
| 54 @param option style option used for painting (QStyleOptionViewItem) | |
| 55 @param index model index of the item (QModelIndex) | |
| 56 """ | |
| 57 opt = QStyleOptionViewItemV4(option) | |
| 58 self.initStyleOption(opt, index) | |
| 59 | |
| 60 widget = opt.widget | |
| 61 style = widget.style() if widget is not None else QApplication.style() | |
| 62 height = opt.rect.height() | |
| 63 center = height // 2 + opt.rect.top() | |
| 64 | |
| 65 # Prepare title font | |
| 66 titleFont = QFont(opt.font) | |
| 67 titleFont.setBold(True) | |
| 68 titleFont.setPointSize(titleFont.pointSize() + 1) | |
| 69 | |
| 70 titleMetrics = QFontMetrics(titleFont) | |
| 71 if Globals.isWindowsPlatform(): | |
| 72 colorRole = QPalette.Text | |
| 73 else: | |
| 74 colorRole = QPalette.HighlightedText \ | |
| 75 if opt.state & QStyle.State_Selected else QPalette.Text | |
| 76 | |
| 77 leftPos = self.__padding | |
| 78 rightPos = opt.rect.right() - self.__padding - \ | |
| 79 GreaseMonkeyConfigurationListDelegate.RemoveIconSize | |
| 80 | |
| 81 # Draw background | |
| 82 style.drawPrimitive(QStyle.PE_PanelItemViewItem, opt, painter, widget) | |
| 83 | |
| 84 # Draw checkbox | |
| 85 checkBoxYPos = center - GreaseMonkeyConfigurationListDelegate.CheckBoxSize // 2 | |
| 86 opt2 = QStyleOptionViewItemV4(opt) | |
| 87 if opt2.checkState == Qt.Checked: | |
| 88 opt2.state |= QStyle.State_On | |
| 89 else: | |
| 90 opt2.state |= QStyle.State_Off | |
| 91 styleCheckBoxRect = style.subElementRect( | |
| 92 QStyle.SE_ViewItemCheckIndicator, opt2, widget) | |
| 93 opt2.rect = QRect(leftPos, checkBoxYPos, | |
| 94 styleCheckBoxRect.width(), styleCheckBoxRect.height()) | |
| 95 style.drawPrimitive(QStyle.PE_IndicatorViewItemCheck, opt2, painter, widget) | |
| 96 leftPos = opt2.rect.right() + self.__padding | |
| 97 | |
| 98 # Draw icon | |
| 99 iconYPos = center - GreaseMonkeyConfigurationListDelegate.IconSize // 2 | |
| 100 iconRect = QRect(leftPos, iconYPos, | |
| 101 GreaseMonkeyConfigurationListDelegate.IconSize, | |
| 102 GreaseMonkeyConfigurationListDelegate.IconSize) | |
| 103 pixmap = index.data(Qt.DecorationRole).pixmap( | |
| 104 GreaseMonkeyConfigurationListDelegate.IconSize) | |
| 105 painter.drawPixmap(iconRect, pixmap) | |
| 106 leftPos = iconRect.right() + self.__padding | |
| 107 | |
| 108 # Draw script name | |
| 109 name = index.data(Qt.DisplayRole) | |
| 110 leftTitleEdge = leftPos + 2 | |
| 111 rightTitleEdge = rightPos - self.__padding | |
| 112 leftPosForVersion = titleMetrics.width(name) + self.__padding | |
| 113 nameRect = QRect(leftTitleEdge, opt.rect.top() + self.__padding, | |
| 114 rightTitleEdge - leftTitleEdge, titleMetrics.height()) | |
| 115 painter.setFont(titleFont) | |
| 116 style.drawItemText(painter, nameRect, Qt.AlignLeft, opt.palette, True, | |
| 117 name, colorRole) | |
| 118 | |
| 119 # Draw version | |
| 120 version = index.data(Qt.UserRole) | |
| 121 versionRect = QRect(nameRect.x() + leftPosForVersion, nameRect.y(), | |
| 122 rightTitleEdge - leftTitleEdge, titleMetrics.height()) | |
| 123 versionFont = titleFont | |
| 124 painter.setFont(versionFont) | |
| 125 style.drawItemText(painter, versionRect, Qt.AlignLeft, opt.palette, True, | |
| 126 version, colorRole) | |
| 127 | |
| 128 # Draw description | |
| 129 infoYPos = nameRect.bottom() + opt.fontMetrics.leading() | |
| 130 infoRect = QRect(nameRect.x(), infoYPos, | |
| 131 nameRect.width(), opt.fontMetrics.height()) | |
| 132 info = opt.fontMetrics.elidedText(index.data(Qt.UserRole + 1), Qt.ElideRight, | |
| 133 infoRect.width()) | |
| 134 painter.setFont(opt.font) | |
| 135 style.drawItemText(painter, infoRect, Qt.AlignLeft | Qt.TextSingleLine, | |
| 136 opt.palette, True, info, colorRole) | |
| 137 | |
| 138 # Draw remove button | |
| 139 removeIconYPos = center - \ | |
| 140 GreaseMonkeyConfigurationListDelegate.RemoveIconSize // 2 | |
| 141 removeIconRect = QRect(rightPos, removeIconYPos, | |
| 142 GreaseMonkeyConfigurationListDelegate.RemoveIconSize, | |
| 143 GreaseMonkeyConfigurationListDelegate.RemoveIconSize) | |
| 144 painter.drawPixmap(removeIconRect, self.__removePixmap) | |
| 145 | |
| 146 def sizeHint(self, option, index): | |
| 147 """ | |
| 148 Public method to get a size hint for the specified list item. | |
| 149 | |
| 150 @param option style option used for painting (QStyleOptionViewItem) | |
| 151 @param index model index of the item (QModelIndex) | |
| 152 @return size hint (QSize) | |
| 153 """ | |
| 154 if not self.__rowHeight: | |
| 155 opt = QStyleOptionViewItemV4(option) | |
| 156 self.initStyleOption(opt, index) | |
| 157 | |
| 158 widget = opt.widget | |
| 159 style = widget.style() if widget is not None else QApplication.style() | |
| 160 padding = style.pixelMetric(QStyle.PM_FocusFrameHMargin) + 1 | |
| 161 | |
| 162 titleFont = opt.font | |
| 163 titleFont.setBold(True) | |
| 164 titleFont.setPointSize(titleFont.pointSize() + 1) | |
| 165 | |
| 166 self.__padding = padding \ | |
| 167 if padding > GreaseMonkeyConfigurationListDelegate.MinPadding else \ | |
| 168 GreaseMonkeyConfigurationListDelegate.MinPadding | |
| 169 | |
| 170 titleMetrics = QFontMetrics(titleFont) | |
| 171 | |
| 172 self.__rowHeight = 2 * self.__padding + \ | |
| 173 opt.fontMetrics.leading() + \ | |
| 174 opt.fontMetrics.height() + \ | |
| 175 titleMetrics.height() | |
| 176 | |
| 177 return QSize(GreaseMonkeyConfigurationListDelegate.ItemWidth, self.__rowHeight) |
