python - Wxpython 图像查看器 - 打开图像文件后菜单太紧

Question

我在 Ubuntu 12.04 上使用 Python 2.7 和 wx。

我用 Python 使用 wx.js 编写了一个非常非常小的图像查看器。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，让我们这样说(一个 biiiiig 图的图像):

我的应用程序窗口宽度不对，我的意思是看一下菜单，它...太紧了，您甚至看不到正确的“编辑”选项。

如何解决？我刚开始使用 Python 中的 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()

Answer 1

您可以调用 self.Frame.SetMinSize(w, h) 强制窗口具有合理的最小高度和宽度，但您需要添加滚动条以便可以看到所有图像...我试过了这样做，但我也是初学者，目前没有时间，抱歉。祝你好运!