import tkinter as tk
import tkinter.ttk as ttk
import tkinter.messagebox
import tkinter.filedialog
import cv2 as cv
from PIL import Image, ImageTk
import time
import threading
 
RELIEF=['flat', 'raised', 'sunken', 'solid', 'ridge', 'groove']
CURSOR=['arrow','circle','clock','cross','dotbox','exchange',
        'fleur','heart','man','mouse','pirate','plus',
        'shuttle','sizing','spider','spraycan','star','target',
        'tcross','trek','watch']
 
def PIL2CV(im):
    im = im[:, :, ::-1]
    return ImageTk.PhotoImage(Image.fromarray(im))
 
def Buttom1_CallBack():
    filename = tk.filedialog.askopenfilename() #彈出文件選擇對話框
    if filename=='': #用戶沒有選擇任何文件
        return
    new_img = cv.imread(filename)
    if new_img is None:
        tk.messagebox.showerror('抱歉', '圖片加載失??！')
        return
    new_img = cv.resize(new_img, (130, 120))
    new_img = PIL2CV(new_img)
    #后面兩句實現(xiàn)圖片切換顯示
    Label2.configure(image=new_img, width=130, height=120)
    Label2.image = new_img
    tk.messagebox.showinfo('提示','加載圖片完成！')
 
def Buttom2_CallBack():
    info = Combobox1.get()
    param = Entry1.get()
    tk.messagebox.showwarning('警告', '你選擇了：'+info+' '+param)
 
def process_code(delay):
    for i in range(100):
        Progressbar1['value'] = i+1
        root.update()
        time.sleep(delay)
    Buttom3.configure(text='開始處理', state='normal')
    tk.messagebox.showinfo('提示', '處理完成！')
    Progressbar1.configure(value=0)
 
def Buttom3_CallBack():
    yn = tk.messagebox.askyesno('警告','是否需要開始處理？')
    if not yn:
        return
 
    Buttom3.configure(text='處理中...', state='disabled') #控件失效
    delay = 0.01
 
    # 單獨開一個線程，綁定線程函數(shù)process_code，參數(shù)后面的','很關(guān)鍵
    # 不開線程界面會進入處理函數(shù)死循環(huán)，用戶體驗不太好
    t = threading.Thread(target=process_code, args=(delay,))
    t.start()
 
def Buttom4_CallBack():
    global page_count
    if page_count<=0:
        page_count = 0
        return
    else:
        page_count -= 1
        Label4.configure(text='第'+str(page_count)+'頁')
    return
 
def Buttom5_CallBack():
    global page_count
    if page_count>=100:
        page_count = 100
        return
    else:
        page_count += 1
        Label4.configure(text='第' + str(page_count) + '頁')
    return
 
#上面是控件的響應(yīng)函數(shù)
################################################################################
#下面是界面控件的布局
 
#主界面
root = tk.Tk()
root.title('python界面測試') #修改界面標題
root.iconbitmap('img/tm.ico') #修改界面ico
root.geometry('800x500') #設(shè)定界面尺寸 HxW
root.resizable(width=False, height=False) #不允許調(diào)整窗口大小，不固定刪除此行
 
#添加兩個板塊邊界框
Frame1 = tk.LabelFrame(root, height=200, width=145)
Frame1.place(x=15, y=100)
Frame2 = tk.LabelFrame(root, text="結(jié)果顯示", height=400, width=620)
Frame2.place(x=170, y=5)
 
#添加圖片顯示框、加載圖片框、加載圖片按鈕
img = cv.imread('img/title.jpg') #opencv加載圖片
img = cv.resize(img, (140,70)) #圖片縮放
img = PIL2CV(img) #opencv格式轉(zhuǎn)pillow
Label1 = tk.Label(root, image=img) #初始化默認圖片
Label1.place(x=15, y=20) #圖片顯示框在界面上的位置
 
Label2 = tk.Label(root,
                  width=18,height=7, #控件大?。ㄗ⒁鈫挝徊皇窍袼兀?
                  bg="white") #默認白色背景
Label2.place(x=20,y=110) #圖片顯示框在界面上的位置
 
Buttom1 = tk.Button(root,
                    width=15,height=1, #按鈕大小
                    text='加載檢索圖片', #按鈕文本
                    relief=RELIEF[3], #按鈕的風格
                    command=Buttom1_CallBack) #綁定響應(yīng)函數(shù)
Buttom1.place(x=25, y=250) #按鈕在界面上的位置
 
#添加參數(shù)文本框、下拉框、下拉框內(nèi)容輸出按鈕
Combobox1 = ttk.Combobox(root, width=17, height=1)
Combobox1['value'] = ('窗前明月光','疑是地上霜','舉頭望明月','明月照我影')
Combobox1.current(0)
Combobox1.place(x=15, y=320)
 
Label3 = tk.Label(root, text='參數(shù)')
Label3.place(x=15, y=350)
 
Entry1 = ttk.Entry(root, width=9) #文本框為啥沒有H
Entry1.place(x=50, y=350)
Entry1.insert(0,'0.5')
 
Buttom2 = tk.Button(root,
                    width=15,height=1,
                    text='你選擇了什么？',
                    relief=RELIEF[3],
                    command=Buttom2_CallBack)
Buttom2.place(x=25, y=380)
 
#添加進度條、開始處理按鈕
Progressbar1 = ttk.Progressbar(root, length=600, value=0, cursor=CURSOR[1])
Progressbar1.place(x=15, y=460)
 
Buttom3 = tk.Button(root,
                    width=15,height=1,
                    text='開始處理',
                    relief=RELIEF[3],
                    command=Buttom3_CallBack)
Buttom3.place(x=630, y=455)
 
#添加兩個滾動按鈕
Buttom4 = tk.Button(root,
                    width=3,height=1,
                    text='<',
                    relief=RELIEF[1],
                    command=Buttom4_CallBack)
Buttom4.place(x=380, y=410)
 
global page_count #全局變量，用來控制頁碼
page_count=0
Label4 = tk.Label(root, text='第0頁')
Label4.place(x=420, y=410)
 
Buttom5 = tk.Button(root,
                    width=3,height=1,
                    text='>',
                    relief=RELIEF[1],
                    command=Buttom5_CallBack)
Buttom5.place(x=470, y=410)
 
root.mainloop()
#這句話后面不能有代碼