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