You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

107 lines
4.4 KiB

# importing everything from tkinter
from tkinter import *
# importing ttk for styling widgets from tkinter
from tkinter import ttk
# importing filedialog from tkinter
from tkinter import filedialog as fd
# importing os module
import os
# creating a class called PDFViewer
class PDFViewer:
# initializing the __init__ / special method
def __init__(self, master):
# creating the window
self.master = master
# gives title to the main window
self.master.title('PDF Viewer')
# gives dimensions to main window
self.master.geometry('580x520+440+180')
# this disables the minimize/maximize button on the main window
self.master.resizable(width = 0, height = 0)
# loads the icon and adds it to the main window
self.master.iconbitmap(self.master, 'pdf_file_icon.ico')
# creating the menu
self.menu = Menu(self.master)
# adding it to the main window
self.master.config(menu=self.menu)
# creating a sub menu
self.filemenu = Menu(self.menu)
# giving the sub menu a label
self.menu.add_cascade(label="File", menu=self.filemenu)
# adding a two buttons to the sub menus
self.filemenu.add_command(label="Open File")
self.filemenu.add_command(label="Exit", command=self.master.destroy)
# creating the top frame
self.top_frame = ttk.Frame(self.master, width=580, height=460)
# placing the frame using inside main window using grid()
self.top_frame.grid(row=0, column=0)
# the frame will not propagate
self.top_frame.grid_propagate(False)
# creating the bottom frame
self.bottom_frame = ttk.Frame(self.master, width=580, height=50)
# placing the frame using inside main window using grid()
self.bottom_frame.grid(row=1, column=0)
# the frame will not propagate
self.bottom_frame.grid_propagate(False)
# creating a vertical scrollbar
self.scrolly = Scrollbar(self.top_frame, orient=VERTICAL)
# adding the scrollbar
self.scrolly.grid(row=0, column=1, sticky=(N,S))
# creating a horizontal scrollbar
self.scrollx = Scrollbar(self.top_frame, orient=HORIZONTAL)
# adding the scrollbar
self.scrollx.grid(row=1, column=0, sticky=(W, E))
# creating the canvas for display the PDF pages
self.output = Canvas(self.top_frame, bg='#ECE8F3', width=560, height=435)
# inserting both vertical and horizontal scrollbars to the canvas
self.output.configure(yscrollcommand=self.scrolly.set, xscrollcommand=self.scrollx.set)
# adding the canvas
self.output.grid(row=0, column=0)
# configuring the horizontal scrollbar to the canvas
self.scrolly.configure(command=self.output.yview)
# configuring the vertical scrollbar to the canvas
self.scrollx.configure(command=self.output.xview)
# loading the button icons
self.uparrow_icon = PhotoImage(file='uparrow.png')
self.downarrow_icon = PhotoImage(file='downarrow.png')
# resizing the icons to fit on buttons
self.uparrow = self.uparrow_icon.subsample(3, 3)
self.downarrow = self.downarrow_icon.subsample(3, 3)
# creating an up button with an icon
self.upbutton = ttk.Button(self.bottom_frame, image=self.uparrow)
# adding the button
self.upbutton.grid(row=0, column=1, padx=(270, 5), pady=8)
# creating a down button with an icon
self.downbutton = ttk.Button(self.bottom_frame, image=self.downarrow)
# adding the button
self.downbutton.grid(row=0, column=3, pady=8)
# label for displaying page numbers
self.page_label = ttk.Label(self.bottom_frame, text='page')
# adding the label
self.page_label.grid(row=0, column=4, padx=5)
# path for the pdf doc
self.path = None
# state of the pdf doc, open or closed
self.fileisopen = None
# author of the pdf doc
self.author = None
# name for the pdf doc
self.name = None
# the current page for the pdf
self.current_page = 0
# total number of pages for the pdf doc
self.numPages = None
# creating the root window using Tk() class
root = Tk()
# instantiating/creating object app for class PDFViewer
app = PDFViewer(root)
# calling the mainloop to run the app infinitely until user closes it
root.mainloop()