我在 Ubuntu 12.04 上使用 Python 2.7 和 wx。
我使用 wx 在 Python 中编写了一个很小很小的图像查看器。一切都很好,但我的应用程序主窗口的大小有问题。
当我打开一张普通尺寸的图片时,我看到:
这很好。
但是当我打开另一个文件时,可以这样说(biiiiig 图的图像):
我的应用程序窗口的宽度错误,我的意思是看一下菜单,它.. 太紧了,您甚至看不到“编辑”选项。
如何解决?我刚开始在 Python 中使用 wx,所以请耐心等待 :)
我的代码:
# -*- coding: utf-8 -*-
#!/usr/bin/env python
import wx
import os
class MyGUIApp(wx.App):
def __init__(self, redirect=False, filename=None):
wx.App.__init__(self, redirect, filename)
self.frame = wx.Frame(None, title='MyGUIApp v0.2')
self.panel = wx.Panel(self.frame)
self.filename = ''
self.dirname = ''
width, height = wx.DisplaySize()
self.pictureMaxSize = 500
img = wx.EmptyImage(self.pictureMaxSize, self.pictureMaxSize)
self.imageCtrl = wx.StaticBitmap(self.panel, wx.ID_ANY, wx.BitmapFromImage(img))
self.mainSizer = wx.BoxSizer(wx.VERTICAL)
self.mainSizer.Add(self.imageCtrl, 0, wx.ALL|wx.CENTER, 5)
self.panel.SetSizer(self.mainSizer)
self.mainSizer.Fit(self.frame)
self.createMenus()
self.connectItemsWithEvents()
self.createKeyboardShortcuts()
self.frame.SetMenuBar(self.menuBar)
self.frame.Show()
def connectItemsWithEvents(self) :
self.Bind(wx.EVT_MENU, self.openEvent, self.openItem)
self.Bind(wx.EVT_MENU, self.clearEvent, self.clearItem)
def createKeyboardShortcuts(self) :
self.accel_tbl = wx.AcceleratorTable([(wx.ACCEL_CTRL, ord('C'), self.clearItem.GetId()),
(wx.ACCEL_CTRL, ord('O'), self.openItem.GetId()),
])
self.frame.SetAcceleratorTable(self.accel_tbl)
def createMenus(self) :
self.menuBar = wx.MenuBar()
self.menuFile = wx.Menu()
self.menuBar.Append(self.menuFile, '&File')
self.openItem = wx.MenuItem(self.menuFile, wx.NewId(), u'&open ...\tCTRL+O')
#self.openItem.SetBitmap(wx.Bitmap('images/document-open.png'))
self.menuFile.AppendItem(self.openItem)
self.menuEdit = wx.Menu()
self.menuBar.Append(self.menuEdit, '&Edit')
self.clearItem = wx.MenuItem(self.menuEdit, wx.NewId(), '&Clear\tCTRL+C')
#self.clearItem.SetBitmap(wx.Bitmap('images/clear.png'))
self.menuEdit.AppendItem(self.clearItem)
def openEvent(self, event) :
openDialog = wx.FileDialog(self.frame, u'Open file', "File", "", "*.*", wx.OPEN)
if openDialog.ShowModal() == wx.ID_OK :
self.filename = openDialog.GetFilename()
self.dirname = openDialog.GetDirectory()
self.draw(os.path.join(self.dirname, self.filename))
openDialog.Destroy()
def clearEvent(self, event) :
img = wx.EmptyImage(self.pictureMaxSize, self.pictureMaxSize)
self.imageCtrl = wx.StaticBitmap(self.panel, wx.ID_ANY, wx.BitmapFromImage(img))
self.imageCtrl.SetBitmap(wx.BitmapFromImage(img))
self.frame.SetSize((self.pictureMaxSize, self.pictureMaxSize))
self.filename = ''
self.dirname = ''
def draw(self, filename) :
image_name = filename
img = wx.Image(filename, wx.BITMAP_TYPE_ANY)
W = img.GetWidth()
H = img.GetHeight()
if W > H:
NewW = self.pictureMaxSize
NewH = self.pictureMaxSize * H / W
else:
NewH = self.pictureMaxSize
NewW = self.pictureMaxSize * W / H
img = img.Scale(NewW,NewH)
self.imageCtrl.SetBitmap(wx.BitmapFromImage(img))
self.panel.Refresh()
self.mainSizer.Fit(self.frame)
if __name__ == '__main__':
app = MyGUIApp()
app.MainLoop()