【pyqy5】画像の表示方法を工夫したい

python3を使っています。pyqt5で下のようなウィジットを作りたいです

黄色いボタンを押すと前後の画像が真ん中に来るようにしたいです。しかし、どうすればいいのかよく分かりません。分かりづらかったらすみません。

行動規範の内容に同意します

回答1件

自己解決

前後画像を表示するのは面倒そうなのでやめました

python3.5
1import sys
2from PyQt5.QtWidgets import *
3from PyQt5.QtGui import *
4from PyQt5.QtCore import *
5from PyQt5 import QtGui,QtCore, QtWidgets
6import os.path
7
8
9#myLabel = None
10
11class Button(QPushButton):
12
13    def __init__(self, title, parent):
14        super().__init__(title, parent)
15        self.setAcceptDrops(True)
16
17    def dragEnterEvent(self, e):
18        mimeData = e.mimeData()
19
20
21        # パスの有無で判定
22        if mimeData.hasUrls():
23            e.accept()
24        else:
25            e.ignore()
26
27    def dropEvent(self, e):
28        # ファイルから画像読込
29        urls = e.mimeData().urls()
30        urllength=len(urls)
31        global imagelist
32        imagelist=[]
33        """
34        for url in urls:
35            path = url.toLocalFile()
36            imagelist.append(path)
37        #print(imagelist)
38        """
39        for file in range(0,urllength):
40            imagepath=urls[file].toLocalFile()
41            root, ext=os.path.splitext(imagepath)
42            if ext==".png" or ext==".jpg" or ext==".bmp" or ext==".jpeg":
43                imagelist.append(urls[file].toLocalFile())
44            else:
45                pass
46            
47        self.imagenumber=0
48        self.listlength=len(imagelist)
49
50        maisu=str(self.imagenumber+1)+"/"+str(self.listlength)
51        maisu="<h1><i>"+maisu+"<h1><i>"
52        imagenum.setText(maisu)
53        imagenum.adjustSize()
54
55        text1=imagelist[self.imagenumber]
56        #text1=os.path.splitext(text1)
57        text1=text1.rsplit("/",1)[1].split('?')[0]
58        text1="<h1><i>"+text1+"<h1><i>"
59        imagename.setText(text1)
60        imagename.adjustSize()
61        
62     
63        myLabel.setIcon(QIcon(imagelist[0]))
64
65
66
67class Example(QWidget):
68
69    def __init__(self):
70        super().__init__()
71        self.initUI()
72
73    def initUI(self):
74        self.list1=["みちゆき.jpg"]
75        global imagelist
76        imagelist=self.list1
77
78        self.listlength=len(imagelist)
79        self.imagenumber=0
80        iconimage=self.list1[self.imagenumber]
81        self.button = Button("",self)
82        self.button.resize(400,300)
83        self.button.setIcon(QIcon(iconimage)) 
84        self.button.setIconSize(QSize(400,300))
85        self.button.move(50, 50)
86
87        self.btnright=QPushButton(self)
88        self.btnright.resize(40,40)
89        self.btnright.setIcon(self.style().standardIcon(getattr(QStyle,"SP_ArrowRight")))
90        self.btnright.setToolTip('次の画像')
91        self.btnright.setIconSize(QSize(40, 40))
92        self.btnright.move(460, 200)  
93        self.btnright.clicked.connect(self.stepnext)        
94        
95        self.btnleft=QPushButton(self)
96        self.btnleft.resize(40,40)
97        self.btnleft.setIcon(self.style().standardIcon(getattr(QStyle,"SP_ArrowLeft")))
98        self.btnleft.setToolTip('前の画像')
99        self.btnleft.setIconSize(QSize(40, 40))
100        self.btnleft.move(5, 200)  
101        self.btnleft.clicked.connect(self.stepprev)
102        
103
104        global myLabel
105        myLabel = self.button
106
107        text1=self.list1[self.imagenumber]
108        text1="<h1><i>"+text1+"<h1><i>"
109        self.text1=QLabel(text1, self)
110        self.text1.move(200,20)
111        global imagename
112        imagename = self.text1
113        #print(self.text1)
114        
115        #print(self.list[self.imagenumber])
116
117        maisu=str(1)+"/"+str(self.listlength)
118        maisu="<h1><i>"+maisu+"<h1><i>"
119        self.text2=QLabel(maisu, self)
120        self.text2.move(400,20)
121        global imagenum
122        imagenum = self.text2
123
124        iconSize = QSize(36, 36)
125        self.btn = QPushButton(self)
126        self.btn.move(50,8)
127        self.btn.setIcon(self.style().standardIcon(QStyle.SP_DialogOpenButton))
128        self.btn.setIconSize(iconSize)
129        self.btn.setToolTip("画像追加")
130        self.btn.clicked.connect(self.handleopen)
131
132        self.clearbtn=QPushButton(self)
133        self.clearbtn.move(100,8)
134        self.clearbtn.setIcon(self.style().standardIcon(QStyle.SP_DialogDiscardButton))
135        self.clearbtn.setIconSize(iconSize)
136        self.clearbtn.setToolTip("画像消去")
137        self.clearbtn.clicked.connect(self.clearfile)        
138
139
140
141        #global imnum
142        #imnum=self.imagenumber
143
144        self.setWindowTitle('Simple drag & drop')
145        self.setGeometry(300, 300, 500, 500)
146
147
148    def stepnext(self):
149        #print(imagelist)
150        #print(self.imagenumber)
151        self.listlength=len(imagelist)
152        if self.imagenumber<self.listlength-1:
153            self.imagenumber=self.imagenumber+1
154            myLabel.setIcon(QIcon(imagelist[self.imagenumber]))
155            
156            maisu=str(self.imagenumber+1)+"/"+str(self.listlength)
157            maisu="<h1><i>"+maisu+"<h1><i>"
158            imagenum.setText(maisu)
159            imagenum.adjustSize()
160
161            text1=imagelist[self.imagenumber]
162            text1=text1.rsplit("/",1)[1].split('?')[0]
163            text1="<h1><i>"+text1+"<h1><i>"
164            imagename.setText(text1)
165            imagename.adjustSize()
166            
167        else:
168            pass
169
170    def stepprev(self):
171        self.listlength=len(imagelist)
172        if self.imagenumber>0:
173            self.imagenumber=self.imagenumber-1
174            myLabel.setIcon(QIcon(imagelist[self.imagenumber]))
175
176            maisu=str(self.imagenumber+1)+"/"+str(self.listlength)
177            maisu="<h1><i>"+maisu+"<h1><i>"
178            imagenum.setText(maisu)
179            imagenum.adjustSize()
180
181            text1=imagelist[self.imagenumber]
182            text1=text1.rsplit("/",1)[1].split('?')[0]
183            text1="<h1><i>"+text1+"<h1><i>"
184            imagename.setText(text1)
185            imagename.adjustSize()
186           
187        else:
188            pass
189
190    def handleopen(self):
191        filename, ok = QtWidgets.QFileDialog.getOpenFileName(
192        self, filter='Image Files (*.png *.jpg *.bmp)',)
193        if filename:
194            #filepath=QFileInfo(filename).path()
195            print(filename)
196            print(imagelist)
197            if "みちゆき.jpg" in imagelist:
198                imagelist.remove("みちゆき.jpg")
199            else:
200                pass
201            imagelist.append(filename)
202            print(imagelist)
203            myLabel.setIcon(QIcon(imagelist[self.imagenumber]))
204
205            self.listlength=len(imagelist)
206            maisu=str(self.imagenumber+1)+"/"+str(self.listlength)
207            maisu="<h1><i>"+maisu+"<h1><i>"
208            imagenum.setText(maisu)
209            imagenum.adjustSize()
210
211            text1=imagelist[self.imagenumber]
212            text1=text1.rsplit("/",1)[1].split('?')[0]
213            text1="<h1><i>"+text1+"<h1><i>"
214            imagename.setText(text1)
215            imagename.adjustSize()
216            
217            #print(filepath)
218            #imagelist.remove("みちゆき.jpg")
219            #imagelist.append(filename)
220
221    def clearfile(self):
222        #print("a")
223        global imagelist
224        imagelist=["みちゆき.jpg"]
225        self.imagenumber=0
226        myLabel.setIcon(QIcon(imagelist[self.imagenumber]))
227
228        text="<h1><i>"+"みちゆき.jpg"+"<h1><i>"
229        imagename.setText(text)
230        imagename.adjustSize()
231
232        maisu="<h1><i>"+"1/1"+"<h1><i>"
233        imagenum.setText(maisu)
234        imagenum.adjustSize()
235
236
237if __name__ == '__main__':
238
239    app = QApplication(sys.argv)
240    ex = Example()
241    ex.show()
242    app.exec_()
243