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browser: zommable file icons

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This commit is contained in:
Robert Jördens 2016-04-20 18:11:04 +02:00
parent 7be3ffe79f
commit 3578ba17a3
1 changed files with 30 additions and 7 deletions
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37
artiq/browser/files.py
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@ -56,6 +56,35 @@ class DirsOnlyProxy(QtCore.QSortFilterProxyModel):
return QtCore.QSortFilterProxyModel.filterAcceptsRow(self, row, parent)
class ZoomIconView(QtWidgets.QListView):
zoom_step = 2**.25
aspect = 2/3
default_size = 15
min_size = 2
max_size = 200
def __init__(self):
QtWidgets.QListView.__init__(self)
self._char_width = QtGui.QFontMetrics(self.font()).averageCharWidth()
self.setViewMode(self.IconMode)
w = self._char_width*self.default_size
self.setIconSize(QtCore.QSize(w, w*self.aspect))
self.setFlow(self.LeftToRight)
self.setResizeMode(self.Adjust)
self.setWrapping(True)
def wheelEvent(self, ev):
if ev.modifiers() & QtCore.Qt.ControlModifier:
z = self.zoom_step**(ev.angleDelta().y()/120.)
a = self._char_width*self.min_size
b = self._char_width*self.max_size
w = self.iconSize().width()*z
if a <= w <= b:
self.setIconSize(QtCore.QSize(w, w*self.aspect))
else:
QtWidgets.QListView.wheelEvent(self, ev)
class FilesDock(QtWidgets.QDockWidget):
def __init__(self, datasets, main_window, root="",
select_file=None):
@ -95,13 +124,7 @@ class FilesDock(QtWidgets.QDockWidget):
self.rt.hideColumn(i)
self.splitter.addWidget(self.rt)
self.rl = QtWidgets.QListView()
self.rl.setViewMode(self.rl.IconMode)
l = QtGui.QFontMetrics(self.font()).lineSpacing()
self.rl.setIconSize(QtCore.QSize(20*l, 15*l))
self.rl.setFlow(self.rl.LeftToRight)
self.rl.setResizeMode(self.rl.Adjust)
self.rl.setWrapping(True)
self.rl = ZoomIconView()
self.rl.setModel(self.model)
self.rl.selectionModel().currentChanged.connect(
self.list_current_changed)