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from defconQt.glyphCollectionView import GlyphCollectionWidget
from defconQt.util import platformSpecific
from PyQt5.QtCore import QSize, Qt
from PyQt5.QtGui import QColor, QPainter
from PyQt5.QtWidgets import (
QAbstractItemView, QGridLayout, QListWidget, QListWidgetItem, QPushButton,
QRadioButton, QWidget)
class GroupListWidget(QListWidget):
def __init__(self, groupNames, parent=None):
super(GroupListWidget, self).__init__(parent)
# self.setAlternatingRowColors(True)
self.setSelectionMode(QAbstractItemView.SingleSelection)
self.setSortingEnabled(True)
self.fillGroupNames(groupNames)
def fillGroupNames(self, groupNames):
for groupName in groupNames:
item = QListWidgetItem(groupName, self)
item.setFlags(item.flags() | Qt.ItemIsEditable)
# if len(groupNames): self.setCurrentRow(0)
def keyPressEvent(self, event):
key = event.key()
if key == platformSpecific.deleteKey:
self.parent()._groupDelete()
event.accept()
elif key == Qt.Key_Left:
self.parent().alignLeftBox.setChecked(True)
elif key == Qt.Key_Right:
self.parent().alignRightBox.setChecked(True)
else:
super(GroupListWidget, self).keyPressEvent(event)
class GroupStackWidget(QWidget):
def __init__(self, font, glyphs=[], parent=None):
super(GroupStackWidget, self).__init__(parent)
self.ascender = font.info.ascender
if self.ascender is None:
self.ascender = 750
self.glyphs = glyphs
self.maxWidth = max(glyph.width for glyph in self.glyphs) if len(
self.glyphs) else 300
self.upm = font.info.unitsPerEm
if self.upm is None:
self.upm = 1000
self.padding = 10
self.alignRight = False
def setAlignment(self, alignRight):
self.alignRight = alignRight
self.update()
def setGlyphs(self, glyphs):
self.glyphs = glyphs
self.maxWidth = max(glyph.width for glyph in self.glyphs) if len(
self.glyphs) else 300
self.update()
def sizeHint(self):
return QSize(self.maxWidth + 2 * self.padding, 400)
def paintEvent(self, event):
# TODO: maybe use self.upm*(1+2*BufferHeight) for the denominator as in
# fontView
scale = self.height() / (self.upm * 1.2)
x_offset = \
(self.width() - self.maxWidth * scale - self.padding * 2) / 2
if x_offset < 0:
scale *= 1 + 2 * x_offset / (self.maxWidth * scale)
x_offset = 0
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
painter.translate(self.padding, self.padding +
(self.ascender * 1.2) * scale)
painter.scale(scale, -scale)
col = QColor(Qt.black)
col.setAlphaF(.2)
for glyph in self.glyphs:
if self.alignRight:
dist = self.maxWidth - glyph.width
else:
dist = 0
glyphPath = glyph.getRepresentation("defconQt.QPainterPath")
painter.save()
painter.translate(x_offset + dist, 0)
painter.fillPath(glyphPath, col)
painter.restore()
class GroupCollectionWidget(GlyphCollectionWidget):
def __init__(self, parent=None):
super(GroupCollectionWidget, self).__init__(parent)
self._columns = 9
# TODO: upstream this, somehow
self.characterDeletionCallback = None
self.characterDropCallback = None
self.resize(self.width(), 200)
# TODO: The standard QListWidget has scrollbar and does not need three
# times parent call.
# Find out how to handle that properly.
def keyPressEvent(self, event):
if event.key() == platformSpecific.deleteKey:
if self.characterDeletionCallback is not None:
self.characterDeletionCallback(self.selection)
event.accept()
else:
super(GroupCollectionWidget, self).keyPressEvent(event)
def pipeDragEnterEvent(self, event):
# TODO: the problem with text/plain is that any sort of text can get
# here.
# (It allows direct compatibility with featureTextEditor though.)
if (event.mimeData().hasText()):
event.acceptProposedAction()
else:
super(GroupCollectionWidget, self).pipeDragEnterEvent(event)
def pipeDropEvent(self, event):
# TODO: inheritance model could be better here...
if event.source() == self:
super(GroupCollectionWidget, self).pipeDropEvent(event)
elif self.characterDropCallback is not None:
self.characterDropCallback(event)
class GroupsWindow(QWidget):
leftGroups = ["@MMK_L", "public.kern1"]
rightGroups = ["@MMK_R", "public.kern2"]
def __init__(self, font, parent=None):
super(GroupsWindow, self).__init__(parent, Qt.Window)
self.font = font
self.font.addObserver(self, "_groupsChanged", "Groups.Changed")
groups = self.font.groups.keys()
self.groupsList = GroupListWidget(groups, self)
self.groupsList.currentItemChanged.connect(self._groupChanged)
self.groupsList.itemChanged.connect(self._groupRenamed)
self.groupsList.setFocus(True)
self.stackWidget = GroupStackWidget(self.font, parent=self)
self.addGroupButton = QPushButton("+", self)
self.addGroupButton.clicked.connect(self._groupAdd)
self.removeGroupButton = QPushButton("−", self)
self.removeGroupButton.clicked.connect(self._groupDelete)
if not groups:
self.removeGroupButton.setEnabled(False)
self.alignLeftBox = QRadioButton("Align left", self)
self.alignRightBox = QRadioButton("Align right", self)
self.alignLeftBox.setChecked(True)
self.alignLeftBox.toggled.connect(self._alignmentChanged)
self._autoDirection = True
self.collectionWidget = GroupCollectionWidget(parent=self)
self.collectionWidget.characterDeletionCallback = \
self.characterDeleteEvent
self.collectionWidget.characterDropCallback = self.characterDropEvent
self._cachedName = None
layout = QGridLayout(self)
layout.addWidget(self.groupsList, 0, 0, 5, 4)
layout.addWidget(self.stackWidget, 0, 4, 5, 4)
layout.addWidget(self.addGroupButton, 5, 0)
layout.addWidget(self.removeGroupButton, 5, 3)
layout.addWidget(self.alignLeftBox, 5, 4)
layout.addWidget(self.alignRightBox, 5, 7)
layout.addWidget(self.collectionWidget.scrollArea(), 6, 0, 4, 8)
# TODO: calib this more
layout.setColumnStretch(4, 1)
self.setLayout(layout)
self.setWindowTitle("Groups window – %s %s" % (
self.font.info.familyName, self.font.info.styleName))
def _alignmentChanged(self):
alignRight = self.alignRightBox.isChecked()
self.stackWidget.setAlignment(alignRight)
def _groupAdd(self):
groupName = "New group"
if groupName in self.font.groups:
index = 1
while "%s %d" % (groupName, index) in self.font.groups:
index += 1
groupName = "%s %d" % (groupName, index)
self.font.groups[groupName] = []
item = QListWidgetItem(groupName, self.groupsList)
item.setFlags(item.flags() | Qt.ItemIsEditable)
self.groupsList.setCurrentItem(item)
self.groupsList.editItem(item)
self.removeGroupButton.setEnabled(True)
def _groupChanged(self):
currentItem = self.groupsList.currentItem()
if currentItem is None:
return
self._cachedName = currentItem.text()
if self._autoDirection:
for name in self.leftGroups:
if self._cachedName.startswith(name):
self.alignRightBox.setChecked(True)
break
for name in self.rightGroups:
if self._cachedName.startswith(name):
self.alignLeftBox.setChecked(True)
break
glyphs = []
for gName in self.font.groups[self._cachedName]:
if gName in self.font:
glyphs.append(self.font[gName])
self.stackWidget.setGlyphs(glyphs)
self.collectionWidget.glyphs = glyphs
def _groupRenamed(self):
currentItem = self.groupsList.currentItem()
if currentItem is None:
return
newKey = currentItem.text()
if newKey == self._cachedName:
return
self.font.groups[newKey] = self.font.groups[self._cachedName]
del self.font.groups[self._cachedName]
self._cachedName = newKey
def _groupDelete(self):
newKey = self.groupsList.currentItem().text()
del self.font.groups[newKey]
self.groupsList.takeItem(self.groupsList.currentRow())
if not self.font.groups.keys():
self.removeGroupButton.setEnabled(False)
self._groupChanged()
# XXX: it seems the notification doesn't trigger...
def _groupsChanged(self, notification):
self._cachedName = None
self.groupsList.blockSignals(True)
self.groupsList.clear()
self.groupsList.fillGroupNames(self)
# TODO: consider transferring currentGroup as well
self.groupsList.blockSignals(False)
# self.groupsList.setCurrentRow(0)
def characterDeleteEvent(self, selection):
currentGroup = self.groupsList.currentItem().text()
currentGroupList = self.font.groups[currentGroup]
# relying on ordered group elements
# reverse to not change index of smaller elements
for key in sorted(selection, reverse=True):
del currentGroupList[key]
self.font.groups[currentGroup] = currentGroupList
self._groupChanged()
def characterDropEvent(self, event):
currentGroup = self.groupsList.currentItem()
if currentGroup is None:
return
currentGroup = currentGroup.text()
glyphNames = event.mimeData().text().split(" ")
for gName in glyphNames:
# TODO: should we accept template glyphs here?
if self.font[gName].template:
continue
# Due to defcon limitations, we must fetch and update for the
# notification to pass through
currentGroupList = self.font.groups[currentGroup]
currentGroupList.append(gName)
self.font.groups[currentGroup] = currentGroupList
event.acceptProposedAction()
self._groupChanged()
def closeEvent(self, event):
self.font.removeObserver(self, "Groups.Changed")
event.accept()
def resizeEvent(self, event):
if self.isVisible():
margins = self.layout().contentsMargins()
width = event.size().width() - (margins.left() + margins.right())
self.collectionWidget._sizeEvent(width)
self.stackWidget.update()
super(GroupsWindow, self).resizeEvent(event)
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