[英]Spinner in a PyGObject Gtk.TreeView does not spin
It is not clear for me how to use Gtk.SpinnerCellRenderer
in a Gtk.TreeView
with a Gtk.ListStore
as model. 目前尚不清楚,我如何使用Gtk.SpinnerCellRenderer
在Gtk.TreeView
与Gtk.ListStore
为模型。
In this example the spinner is shown but it is inactive . 在此示例中,显示了微调器,但它不处于活动状态 。 It doesn't spin. 它不会旋转。
#!/usr/bin/env python3
import random
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
class TreeView(Gtk.TreeView):
def __init__(self):
# model
self.model = Gtk.ListStore.new([bool, int])
for i in range(5):
self.model.append([random.choice([True, True, False]), i])
# view
Gtk.TreeView.__init__(self, self.model)
# column bool (as spinner)
self.spinner_renderer = Gtk.CellRendererSpinner.new()
col_bool = Gtk.TreeViewColumn('bool',
self.spinner_renderer,
active=0)
self.append_column(col_bool)
# column int
col_int = Gtk.TreeViewColumn('int',
Gtk.CellRendererText(),
text=1)
self.append_column(col_int)
class Window(Gtk.Window):
def __init__(self):
Gtk.Window.__init__(self, title='Mein Gtk-Fenster')
self.set_default_size(100, 120)
self.view = TreeView()
self.add(self.view)
self.connect('destroy', Gtk.main_quit)
self.show_all()
if __name__ == '__main__':
win = Window()
Gtk.main()
#!/usr/bin/env python3
import random
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
from gi.repository import GObject
class TreeView(Gtk.TreeView):
def __init__(self):
# model
self.model = Gtk.ListStore.new([bool, int])
for i in range(5):
self.model.append([random.choice([True, True, False]), i])
# view
Gtk.TreeView.__init__(self, self.model)
# column bool (as spinner)
self.spinner_renderer = Gtk.CellRendererSpinner()
col_bool = Gtk.TreeViewColumn('bool', self.spinner_renderer, active=0)
self.append_column(col_bool)
# column int
col_int = Gtk.TreeViewColumn('int', Gtk.CellRendererText(), text=1)
self.append_column(col_int)
def on_spinner_pulse(self):
for row in self.model:
if row[0]:
if row[1] == 150:
row[1] = 0
else:
row[1] += 1
self.spinner_renderer.set_property("pulse", row[1])
return True
class Window(Gtk.Window):
def __init__(self):
Gtk.Window.__init__(self, title='CellRendererSpinner')
self.set_default_size(200, 400)
self.view = TreeView()
self.add(self.view)
self.connect('destroy', Gtk.main_quit)
self.show_all()
if __name__ == '__main__':
win = Window()
GObject.timeout_add(100, win.view.on_spinner_pulse)
Gtk.main()
increment the Gtk.CellRendererSpinner :pulse property at regular intervals 定期增加Gtk.CellRendererSpinner:pulse属性
Increase "pulse" value of cellrendererspinner by calling self.spinner_renderer.set_property("pulse", newValue)
in a method 通过在方法中调用self.spinner_renderer.set_property("pulse", newValue)
来增加cellrendererspinner的“脉冲”值
Call that method repeatedly with GObject.timeout_add(milliseconds, method)
function 使用GObject.timeout_add(milliseconds, method)
函数重复调用该方法
To start the animation in a cell, set the Gtk.CellRendererSpinner :active property to True and increment the Gtk.CellRendererSpinner :pulse property at regular intervals. 要在单元格中开始动画,请将Gtk.CellRendererSpinner:active属性设置为True,并定期增加Gtk.CellRendererSpinner:pulse属性。 The usual way to set the cell renderer properties for each cell is to bind them to columns in your tree model using eg Gtk.TreeViewColumn.add_attribute(). 设置每个单元格的单元格渲染器属性的常用方法是使用Gtk.TreeViewColumn.add_attribute()将它们绑定到树模型中的列。
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