sizer即使没有图像，也需要放入一些东西。
我没有编辑您的代码，而是更新了先前的答案，因为您的代码混合了位置放置和大小调整，这势必会给您带来麻烦。
以下是将在左侧，中间和右侧显示的视频的示例代码，它们是2个单独的滚动面板，监视2个单独的目录。
希望对您有所帮助。
import wx
import wx.lib.scrolledpanel
import glob
import wx.media
class windowclass(wx.Frame):
def __init__(self, *args, **kwargs):
super(windowclass, self).__init__(*args, **kwargs)
self.panel1 = wx.Panel(self, -1, size=(350,550))
self.panel1.SetBackgroundColour('#FDDF99')
self.h1 = wx.StaticText(self.panel1, -1, "Video")
self.Media = wx.media.MediaCtrl()
self.Media.Create(self.panel1, style=wx.SIMPLE_BORDER, szBackend="")
self.slider = wx.Slider(self.panel1, -1, 0, 0, 10)
self.slider.SetMinSize((340, -1))
self.Media.Load("/home/rolf/BBB.ogv")
self.Media.SetInitialSize((340,300))
self.panel2 = wx.lib.scrolledpanel.ScrolledPanel(self,-1, size=(350,550))
self.h2 = wx.StaticText(self.panel2, -1, "Known")
self.panel2.SetupScrolling()
self.panel2.SetBackgroundColour('#FFFFFF')
self.panel2.SetMinSize((350,550))
self.panel3 = wx.lib.scrolledpanel.ScrolledPanel(self,-1, size=(350,550))
self.h3 = wx.StaticText(self.panel3, -1, "Unknown")
self.panel3.SetupScrolling()
self.panel3.SetBackgroundColour('#FFFFFF')
self.panel3.SetMinSize((350,550))
self.timer = wx.Timer(self)
self.Bind(wx.EVT_TIMER, self.basicgui, self.timer)
self.vtimer = wx.Timer(self)
self.Bind(wx.EVT_TIMER, self.video, self.vtimer)
self.dict1 = {}
self.dict2 = {}
self.sizer1 = wx.BoxSizer( wx.VERTICAL )
self.sizer1.Add(self.h1,0,wx.ALIGN_CENTER)
self.sizer1.Add(self.Media)
self.sizer1.Add(self.slider)
self.sizer2 = wx.BoxSizer( wx.VERTICAL )
self.sizer2.Add(self.h2,0,wx.ALIGN_CENTER)
self.sizer3 = wx.BoxSizer( wx.VERTICAL )
self.sizer3.Add(self.h3,0,wx.ALIGN_CENTER)
self.panel1.SetSizer(self.sizer1)
self.panel2.SetSizer(self.sizer2)
self.panel3.SetSizer(self.sizer3)
self.mainsizer = wx.BoxSizer( wx.HORIZONTAL )
self.mainsizer.Add(self.panel1,0,wx.EXPAND)
self.mainsizer.Add(self.panel2,0,wx.EXPAND)
self.mainsizer.Add(self.panel3,0,wx.EXPAND)
self.SetSizer(self.mainsizer)
self.Bind(wx.EVT_CLOSE, self.Stop)
self.timer.Start(3000)
self.vtimer.Start(1000)
self.Media.Play()
self.slider.SetRange(0, self.Media.Length())
self.Show()
def Stop(self, event):
self.Media.Stop()
self.Destroy()
def video(self,event):
offset = self.Media.Tell()
self.slider.SetValue(offset)
def basicgui(self,event):
self.GetJpgList("./image", self.dict1)
image_cnt = len(self.dict1)
items = self.sizer2.GetChildren()
#if the image count is different perform processing
update = False
if len(items)-1 != image_cnt:
#Clear sizer of it's items
self.sizer2.Clear(delete_windows=True)
h2 = wx.StaticText(self.panel2, -1, "Known")
self.sizer2.Add(h2,0,wx.ALIGN_CENTER)
# add images to the sizer
if image_cnt != 0:
for item, bitmap in self.dict1.items():
control = wx.StaticBitmap(self.panel2, -1, bitmap)
self.sizer2.Add( control, 0, wx.CENTER|wx.ALL, 5 )
else:
control = wx.StaticBitmap(self.panel2, -1, wx.NullBitmap)
self.sizer2.Add( control, 0, wx.CENTER|wx.ALL, 5 )
#reset scrolling
self.panel2.SetupScrolling(scrollToTop=False)
update = True
self.GetJpgList("./image1", self.dict2)
image_cnt = len(self.dict2)
items = self.sizer3.GetChildren()
#if the image count is different perform processing
if len(items)-1 != image_cnt:
#Clear sizer of it's items
self.sizer3.Clear(delete_windows=True)
h3 = wx.StaticText(self.panel3, -1, "Unknown")
self.sizer3.Add(h3,0,wx.ALIGN_CENTER)
# add images to the sizer
if image_cnt != 0:
for item, bitmap in self.dict2.items():
control = wx.StaticBitmap(self.panel3, -1, bitmap)
self.sizer3.Add( control, 0, wx.CENTER|wx.ALL, 5 )
else:
control = wx.StaticBitmap(self.panel2, -1, wx.NullBitmap)
self.sizer2.Add( control, 0, wx.CENTER|wx.ALL, 5 )
#reset scrolling
self.panel3.SetupScrolling(scrollToTop=False)
update = True
if update == True:
self.Layout()
self.Show()
def GetJpgList(self, the_dir, the_dict):
jpgs = glob.glob(the_dir+"/*.jpg")
#Build a dictionary of the images
#this way we only have to create them once
for i in jpgs:
#if image already in dict bail
if i in the_dict:
continue
print("adding", i)
image = wx.Image(i)
image = image.Scale(300, 200, wx.IMAGE_QUALITY_HIGH)
bitmap = wx.Bitmap(image)
the_dict[i] = bitmap
#make a list of any deleted images
del_list = []
for i in the_dict:
if i not in jpgs:
del_list.append(i)
#remove deleted images from the dictionary
for i in del_list:
the_dict.pop(i)
print("deleting",i)
return
def main():
app = wx.App()
windowclass(None)
app.MainLoop()
main()
它有效，但它会不断刷新面板，我不希望持续刷新。我该怎么办。
我的代码还是你的？如果是我，就把视频更新在另一
Timer只有执行Layout()和Show()是否更新施胶剂。我的错！我在“大小调整器”中添加了“已知”，“未知”文本，因此对大小调整器中的项目数与jpg的数目的测试始终为1。请参见上面的编辑代码。