Merge pull request #484 from MikeTheWatchGuy/Dev-latest

Renamed return value from Read call from button to event... EVERYWHERE

Demo_All_Widgets.py

@@ -13,14 +13,14 @@ menu_def = [['&File', ['&Open', '&Save', 'E&xit', 'Properties']],
             ['&Help', '&About...'], ]
 
 # ------ Column Definition ------ #
-column1 = [[sg.Text('Column 1', background_color='#F7F3EC', justification='center', size=(10, 1))],
+column1 = [[sg.Text('Column 1', background_color='lightblue', justification='center', size=(10, 1))],
            [sg.Spin(values=('Spin Box 1', '2', '3'), initial_value='Spin Box 1')],
            [sg.Spin(values=('Spin Box 1', '2', '3'), initial_value='Spin Box 2')],
            [sg.Spin(values=('Spin Box 1', '2', '3'), initial_value='Spin Box 3')]]
 
 layout = [
     [sg.Menu(menu_def, tearoff=True)],
-    [sg.Text('All graphic widgets in one Window!', size=(30, 1), justification='center', font=("Helvetica", 25), relief=sg.RELIEF_RIDGE, text_color='midnightblue')],
+    [sg.Text('(Almost) All widgets in one Window!', size=(30, 1), justification='center', font=("Helvetica", 25), relief=sg.RELIEF_RIDGE)],
     [sg.Text('Here is some text.... and a place to enter text')],
     [sg.InputText('This is my text')],
     [sg.Frame(layout=[
@@ -36,21 +36,19 @@ layout = [
      sg.Slider(range=(1, 100), orientation='v', size=(5, 20), default_value=25),
      sg.Slider(range=(1, 100), orientation='v', size=(5, 20), default_value=75),
      sg.Slider(range=(1, 100), orientation='v', size=(5, 20), default_value=10),
-     sg.Column(column1, background_color='#F7F3EC')]])],
+     sg.Column(column1, background_color='lightblue')]])],
     [sg.Text('_' * 80)],
     [sg.Text('Choose A Folder', size=(35, 1))],
     [sg.Text('Your Folder', size=(15, 1), auto_size_text=False, justification='right'),
      sg.InputText('Default Folder'), sg.FolderBrowse()],
-    [sg.Submit(tooltip='Click to submit this form'), sg.Cancel()]
+    [sg.Submit(tooltip='Click to submit this form'), sg.Cancel()]]
-    ]
 
 window = sg.Window('Everything bagel', default_element_size=(40, 1), grab_anywhere=False).Layout(layout)
-
+event, values = window.Read()
-button, values = window.Read()
 
 sg.Popup('Title',
          'The results of the window.',
-         'The button clicked was "{}"'.format(button),
+         'The button clicked was "{}"'.format(event),
          'The values are', values)
 
 

Demo_Borderless_Window.py

@@ -11,6 +11,7 @@ Turn off padding in order to get a really tight looking layout.
 
 sg.ChangeLookAndFeel('Dark')
 sg.SetOptions(element_padding=(0, 0))
+
 layout = [[sg.T('User:', pad=((3, 0), 0)), sg.OptionMenu(values=('User 1', 'User 2'), size=(20, 1)),
            sg.T('0', size=(8, 1))],
           [sg.T('Customer:', pad=((3, 0), 0)), sg.OptionMenu(values=('Customer 1', 'Customer 2'), size=(20, 1)),
@@ -22,15 +23,20 @@ layout = [[sg.T('User:', pad=((3, 0), 0)), sg.OptionMenu(values=('User 1', 'User
            sg.ReadButton('Submit', button_color=('gray60', 'springgreen4')),
            sg.Button('Exit', button_color=('white', '#00406B'))]]
 
-window = sg.Window("Time Tracker", default_element_size=(12, 1), text_justification='r', auto_size_text=False,
+window = sg.Window("Borderless Window",
-                   auto_size_buttons=False, no_titlebar=True,
+                   default_element_size=(12, 1),
+                   text_justification='r',
+                   auto_size_text=False,
+                   auto_size_buttons=False,
+                   no_titlebar=True,
+                   grab_anywhere=True,
                    default_button_element_size=(12, 1))
 
 window.Layout(layout)
 
 while True:
-    button, values = window.Read()
+    event, values = window.Read()
-    if button is None or button == 'Exit':
+    if event is None or event == 'Exit':
         break
 
 

Demo_Button_Click.py

@@ -24,7 +24,7 @@ window.FindElement('submit').Update(disabled=True)
 
 recording = have_data = False
 while True:
-    button, values = window.Read()
+    event, values = window.Read()
-    if button is None:
+    if event is None:
         sys.exit(69)
     winsound.PlaySound("ButtonClick.wav", 1)

Demo_Button_States.py

@@ -30,22 +30,22 @@ for key, state in {'_Start_': False, '_Stop_': True, '_Reset_': True, '_Submit_'
 
 recording = have_data = False
 while True:
-    button, values = window.Read()
+    event, values = window.Read()
-    print(button)
+    print(event)
-    if button is None:
+    if event is None:
         sys.exit(69)
-    if button == '_Start_':
+    if event == '_Start_':
         for key, state in {'_Start_':True, '_Stop_':False, '_Reset_':False, '_Submit_':True}.items():
             window.FindElement(key).Update(disabled=state)
         recording = True
-    elif button ==  '_Stop_' and recording:
+    elif event ==  '_Stop_' and recording:
         [window.FindElement(key).Update(disabled=value) for key,value in {'_Start_':False, '_Stop_':True, '_Reset_':False, '_Submit_':False}.items()]
         recording = False
         have_data = True
-    elif button == '_Reset_':
+    elif event == '_Reset_':
         [window.FindElement(key).Update(disabled=value) for key,value in {'_Start_':False, '_Stop_':True, '_Reset_':True, '_Submit_':True}.items()]
         recording = False
         have_data = False
-    elif button is '_Submit_' and have_data:
+    elif event is '_Submit_' and have_data:
         [window.FindElement(key).Update(disabled=value) for key,value in {'_Start_':False, '_Stop_':True, '_Reset_':True, '_Submit_':False}.items()]
         recording = False

Demo_Calendar.py

@@ -11,5 +11,5 @@ layout = [[sg.T('Calendar Test')],
           [sg.Ok(key=1)]]
 
 window = sg.Window('Calendar', grab_anywhere=False).Layout(layout)
-b,v = window.Read()
+event,values = window.Read()
-sg.Popup(v['input'])
+sg.Popup(values['input'])

Demo_Canvas.py

@@ -15,10 +15,10 @@ window = sg.Window('Canvas test').Layout(layout).Finalize()
 cir = window.FindElement('canvas').TKCanvas.create_oval(50, 50, 100, 100)
 
 while True:
-    button, values = window.Read()
+    event, values = window.Read()
-    if button is None:
+    if event is None:
         break
-    if button is 'Blue':
+    if event is 'Blue':
         window.FindElement('canvas').TKCanvas.itemconfig(cir, fill = "Blue")
-    elif button is 'Red':
+    elif event is 'Red':
         window.FindElement('canvas').TKCanvas.itemconfig(cir, fill = "Red")

Demo_Chat.py

@@ -21,12 +21,12 @@ window = sg.Window('Chat window', default_element_size=(30, 2), font=('Helvetica
 
 # ---===--- Loop taking in user input and using it  --- #
 while True:
-    (button, value) = window.Read()
+    (event, value) = window.Read()
-    if button is 'SEND':
+    if event is 'SEND':
         query = value['query'].rstrip()
         # EXECUTE YOUR COMMAND HERE
         print('The command you entered was {}'.format(query))
-    elif button is None or button is 'EXIT':            # quit if exit button or X
+    elif event is None or event == 'EXIT':            # quit if exit button or X
         break
 sys.exit(69)
 

Demo_Chat_With_History.py

@@ -32,8 +32,8 @@ def ChatBotWithHistory():
     command_history = []
     history_offset = 0
     while True:
-        (button, value) = window.Read()
+        (event, value) = window.Read()
-        if button is 'SEND':
+        if event is 'SEND':
             query = value['query'].rstrip()
             # EXECUTE YOUR COMMAND HERE
             print('The command you entered was {}'.format(query))
@@ -41,17 +41,17 @@ def ChatBotWithHistory():
             history_offset = len(command_history)-1
             window.FindElement('query').Update('')                       # manually clear input because keyboard events blocks clear
             window.FindElement('history').Update('\n'.join(command_history[-3:]))
-        elif button is None or button is 'EXIT':            # quit if exit button or X
+        elif event is None or event is 'EXIT':            # quit if exit event or X
             break
-        elif 'Up' in button and len(command_history):
+        elif 'Up' in event and len(command_history):
             command = command_history[history_offset]
             history_offset -= 1 * (history_offset > 0)      # decrement is not zero
             window.FindElement('query').Update(command)
-        elif 'Down' in button and len(command_history):
+        elif 'Down' in event and len(command_history):
             history_offset += 1 * (history_offset < len(command_history)-1) # increment up to end of list
             command = command_history[history_offset]
             window.FindElement('query').Update(command)
-        elif 'Escape' in button:
+        elif 'Escape' in event:
             window.FindElement('query').Update('')
 
     sys.exit(69)

Demo_Chatterbot.py

@@ -66,8 +66,8 @@ window = sg.Window('Chat Window', auto_size_text=True, default_element_size=(30,
 
 # ---===--- Loop taking in user input and using it to query HowDoI web oracle --- #
 while True:
-    button, (value,) = window.Read()
+    event, (value,) = window.Read()
-    if button is not 'SEND':
+    if event is not 'SEND':
         break
     string = value.rstrip()
     print('     '+string)

Demo_Color.py

@@ -1689,12 +1689,12 @@ def main():
                   [sg.Submit(), sg.Button('Many buttons', button_color=('white', '#0e6251'), key='Many buttons'), sg.ColorChooserButton( 'Chooser', target=(3,0), key='Chooser'),  sg.Quit(),],
                   ]
                   # [g.Multiline(DefaultText=str(printable), Size=(30,20))]]
-        button, values = sg.Window('Color Demo', auto_size_buttons=False).Layout(layout).Read()
+        event, values = sg.Window('Color Demo', auto_size_buttons=False).Layout(layout).Read()
 
         # -------  OUTPUT results portion  ------- #
-        if button == 'Quit' or button is None:
+        if event == 'Quit' or event is None:
             exit(0)
-        elif button == 'Many buttons':
+        elif event == 'Many buttons':
                 show_all_colors_on_buttons()
 
         drop_down_value = values['listbox']

Demo_Color_Names.py

@@ -673,12 +673,21 @@ color_map = {
 
 sg.SetOptions(button_element_size=(12,1), element_padding=(0,0), auto_size_buttons=False, border_width=1, tooltip_time=100)
 
-layout = [[sg.Text('Hover mouse to see RGB value, click for white & black text', text_color='blue', font='Any 15', relief=sg.RELIEF_SUNKEN, justification='center', size=(100,1), background_color='light green', pad=(0,(0,20))),]]
+#start layout with the tittle
+layout = [[sg.Text('Hover mouse to see RGB value, click for white & black text',
+                   text_color='blue',
+                   font='Any 15',
+                   relief=sg.RELIEF_SUNKEN,
+                   justification='center',
+                   size=(100,1),
+                   background_color='light green',
+                   pad=(0,(0,20))),]]
+
+# -- Create primary color viewer window by building rows and appending to layout --
 row = []
-# -- Create primary color viewer window --
 for i, color in enumerate(color_map):
     row.append(sg.RButton(color, button_color=('black', color), key=color, tooltip=color_map[color]))
-    if (i+1) % 15 == 0:
+    if (i+1) % 15 == 0:         # every 15 buttons make a new row
         layout.append(row)
         row = []
 
@@ -686,9 +695,9 @@ window = sg.Window('Color Viewer', grab_anywhere=False, font=('any 9')).Layout(l
 
 # -- Event loop --
 while True:
-    b, v = window.Read()
+    event, values = window.Read()
-    if b is None:
+    if event is None:
         break
     # -- Create a secondary window that shows white and black text on chosen color
-    layout2 =[[sg.DummyButton(b, button_color=('white', b), tooltip=color_map[b]), sg.DummyButton(b, button_color=('black', b), tooltip=color_map[b])] ]
+    layout2 =[[sg.DummyButton(event, button_color=('white', event), tooltip=color_map[event]), sg.DummyButton(event, button_color=('black', event), tooltip=color_map[event])] ]
     sg.Window('Buttons with white and black text', keep_on_top=True).Layout(layout2).ReadNonBlocking()

Demo_Color_Names_Smaller_List.py

@@ -105,9 +105,9 @@ window = sg.Window('Color Viewer', grab_anywhere=False, font=('any 9')).Layout(l
 
 # -- Event loop --
 while True:
-    b, v = window.Read()
+    event, values = window.Read()
-    if b is None:
+    if event is None:
         break
     # -- Create a secondary window that shows white and black text on chosen color
-    layout2 =[[sg.DummyButton(b, button_color=('white', b)), sg.DummyButton(b, button_color=('black', b))] ]
+    layout2 =[[sg.DummyButton(event, button_color=('white', event)), sg.DummyButton(event, button_color=('black', event))]]
     sg.Window('Buttons with white and black text', keep_on_top=True).Layout(layout2).ReadNonBlocking()

Demo_Columns.py

@@ -19,7 +19,7 @@ layout = [[sg.Listbox(values=('Listbox Item 1', 'Listbox Item 2', 'Listbox Item
           [sg.OK()]]
 
 # Display the window and get values
-button, values = sg.Window('Compact 1-line form with column').Layout(layout).Read()
+event, values = sg.Window('Compact 1-line form with column').Layout(layout).Read()
 
-sg.Popup(button, values, line_width=200)
+sg.Popup(event, values, line_width=200)
 

Demo_Compare_Files.py

@@ -14,8 +14,8 @@ def GetFilesToCompare():
                  [sg.Submit(), sg.Cancel()]]
 
     window = sg.Window('File Compare')
-    button, values = window.Layout(form_rows).Read()
+    event, values = window.Layout(form_rows).Read()
-    return button, values
+    return event, values
 
 def main():
     button, values = GetFilesToCompare()

Demo_DOC_Viewer_PIL.py

@@ -173,16 +173,16 @@ old_page = 0
 old_zoom = False
 
 while True:
-    button, value = window.Read()
+    event, value = window.Read()
-    if button is None and (value is None or value['PageNumber'] is None):
+    if event is None and (value is None or value['PageNumber'] is None):
         break
-    if button in quit_buttons:
+    if event in quit_buttons:
         break
 
     zoom_pressed = False
     zoom = False
 
-    if button in enter_buttons:
+    if event in enter_buttons:
         try:
             cur_page = int(value['PageNumber']) - 1  # check if valid
             while cur_page < 0:
@@ -190,19 +190,19 @@ while True:
         except:
             cur_page = 0  # this guy's trying to fool me
 
-    elif button in next_buttons:
+    elif event in next_buttons:
         cur_page += 1
-    elif button in prev_buttons:
+    elif event in prev_buttons:
         cur_page -= 1
-    elif button == Up:
+    elif event == Up:
         zoom = (clip_pos, 0, -1)
-    elif button == Down:
+    elif event == Down:
         zoom = (clip_pos, 0, 1)
-    elif button == Left:
+    elif event == Left:
         zoom = (clip_pos, -1, 0)
-    elif button == Right:
+    elif event == Right:
         zoom = (clip_pos, 1, 0)
-    elif button == "Zoom":
+    elif event == "Zoom":
         zoom_pressed = True
         zoom = (clip_pos, 0, 0)
 
@@ -228,7 +228,7 @@ while True:
     old_zoom = zoom_pressed or zoom
 
     # update page number field
-    if button in my_keys:
+    if event in my_keys:
         goto.Update(str(cur_page + 1))
 
 

Demo_Design_Patterns.py

@@ -18,7 +18,7 @@ else:
 layout = [[ sg.Text('My layout') ]]
 
 window = sg.Window('My window').Layout(layout)
-button, value = window.Read()
+event, values = window.Read()
 
 
 # -------------------------------------#
@@ -35,8 +35,8 @@ layout = [[ sg.Text('My layout') ]]
 window = sg.Window('My new window').Layout(layout)
 
 while True:     # Event Loop
-    button, value = window.Read()
+    event, values = window.Read()
-    if button is None:
+    if event is None:
         break
 
 # ------------------------------------------------------------------#
@@ -53,6 +53,6 @@ layout = [[ sg.Text('My layout') ]]
 window = sg.Window('My new window').Layout(layout).Finalize()
 
 while True:     # Event Loop
-    button, value = window.Read()
+    event, values = window.Read()
-    if button is None:
+    if event is None:
         break

Demo_Desktop_Floating_Toolbar.py

@@ -44,19 +44,19 @@ def Launcher():
 
     # ---===--- Loop taking in user input and executing appropriate program --- #
     while True:
-        (button, value) = window.Read()
+        (event, values) = window.Read()
-        if button is 'EXIT' or button is None:
+        if event == 'EXIT' or event is None:
             break           # exit button clicked
-        if button is 'Program 1':
+        if event == 'Program 1':
             print('Run your program 1 here!')
-        elif button is 'Program 2':
+        elif event == 'Program 2':
             print('Run your program 2 here!')
-        elif button is 'Run':
+        elif event == 'Run':
-            file = value['demofile']
+            file = values['demofile']
             print('Launching %s'%file)
             ExecuteCommandSubprocess('python', os.path.join(ROOT_PATH, file))
         else:
-            print(button)
+            print(event)
 
 def ExecuteCommandSubprocess(command, *args, wait=False):
     try:

Demo_Desktop_Widget_CPU_Graph.py

@@ -54,8 +54,8 @@ def main():
     prev_x, prev_y = 0, 0
     while True:                                 # the Event Loop
         time.sleep(.5)
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button == 'Quit' or values is None:  # always give ths user a way out
+        if event == 'Quit' or values is None:  # always give ths user a way out
             break
         # do CPU measurement and graph it
         current_cpu = int(g_cpu_percent*10)

Demo_Desktop_Widget_CPU_Utilization.py

@@ -62,10 +62,10 @@ def main():
     # ----------------  main loop  ----------------
     while (True):
         # --------- Read and update window --------
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
 
         # --------- Do Button Operations --------
-        if values is None or button == 'Exit':
+        if values is None or event == 'Exit':
             break
         try:
             g_interval = int(values['spin'])

Demo_Desktop_Widget_CPU_Utilization_Simple.py

@@ -25,10 +25,10 @@ window = sg.Window('CPU Meter',
 # ----------------  main loop  ----------------
 while (True):
     # --------- Read and update window --------
-    button, values = window.ReadNonBlocking()
+    event, values = window.ReadNonBlocking()
 
     # --------- Do Button Operations --------
-    if values is None or button == 'Exit':
+    if values is None or event == 'Exit':
         break
     try:
         interval = int(values['_spin_'])

Demo_Desktop_Widget_Timer.py

@@ -32,25 +32,25 @@ start_time = int(round(time.time() * 100))
 while (True):
     # --------- Read and update window --------
     if not paused:
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
         current_time = int(round(time.time() * 100)) - start_time
     else:
-        button, values = window.Read()
+        event, values = window.Read()
-    if button == 'button':
+    if event == 'button':
-        button = window.FindElement(button).GetText()
+        event = window.FindElement(event).GetText()
     # --------- Do Button Operations --------
-    if values is None or button == 'Exit':
+    if values is None or event == 'Exit':
         break
-    if button is 'Reset':
+    if event is 'Reset':
         start_time = int(round(time.time() * 100))
         current_time = 0
         paused_time = start_time
-    elif button == 'Pause':
+    elif event == 'Pause':
         paused = True
         paused_time = int(round(time.time() * 100))
         element = window.FindElement('button')
         element.Update(text='Run')
-    elif button == 'Run':
+    elif event == 'Run':
         paused = False
         start_time = start_time + int(round(time.time() * 100)) - paused_time
         element = window.FindElement('button')

Demo_Disable_Elements.py

@@ -12,35 +12,34 @@ sg.SetOptions(element_padding=(0, 0))
 layout = [
           [sg.T('Notes:', pad=((3, 0), 0)), sg.In(size=(44, 1), background_color='white', text_color='black', key='notes')],
           [sg.T('Output:', pad=((3, 0), 0)), sg.T('', size=(44, 1), text_color='white', key='output')],
-          [sg.CBox('Checkbox:', default=True,  pad=((3, 0), 0), key='cbox'), sg.Listbox((1,2,3,4),size=(8,3),key='listbox'),
+          [sg.CBox('Checkbox:', default=True,  pad=((3, 0), 0), disabled=True, key='cbox'), sg.Listbox((1,2,3,4),size=(8,3),disabled=True, key='listbox'),
-           sg.Radio('Radio 1', default=True, group_id='1', key='radio1'), sg.Radio('Radio 2', default=False,  group_id='1', key='radio2')],
+           sg.Radio('Radio 1', default=True, group_id='1', disabled=True, key='radio1'), sg.Radio('Radio 2', default=False,  group_id='1', disabled=True, key='radio2')],
-          [sg.Spin((1,2,3,4),1, key='spin'), sg.OptionMenu((1,2,3,4), key='option'), sg.Combo(values=(1,2,3,4),key='combo')],
+          [sg.Spin((1,2,3,4),1,disabled=True, key='spin'), sg.OptionMenu((1,2,3,4),disabled=True, key='option'), sg.Combo(values=(1,2,3,4),disabled=True,key='combo')],
-          [sg.Multiline('Multiline', size=(20,3), key='multi')],
+          [sg.Multiline('Multiline', size=(20,3),disabled=True, key='multi')],
-          [sg.Slider((1,10), size=(20,20), orientation='h', key='slider')],
+          [sg.Slider((1,10), size=(20,20), orientation='h', disabled=True, key='slider')],
           [sg.ReadButton('Enable', button_color=('white', 'black')),
            sg.ReadButton('Disable', button_color=('white', 'black')),
            sg.ReadButton('Reset', button_color=('white', '#9B0023'), key='reset'),
            sg.ReadButton('Values', button_color=('white', 'springgreen4')),
-           sg.Button('Exit', button_color=('white', '#00406B'))]]
+           sg.Button('Exit', disabled=True, button_color=('white', '#00406B'), key='exit')]]
 
 window = sg.Window("Disable Elements Demo", default_element_size=(12, 1), text_justification='r', auto_size_text=False,
                    auto_size_buttons=False, keep_on_top=True, grab_anywhere=False,
                    default_button_element_size=(12, 1)).Layout(layout).Finalize()
 
-key_list = 'cbox', 'listbox', 'radio1', 'radio2', 'spin', 'option', 'combo', 'reset', 'notes', 'multi', 'slider'
+key_list = 'cbox', 'listbox', 'radio1', 'radio2', 'spin', 'option', 'combo', 'reset', 'notes', 'multi', 'slider', 'exit'
 
 for key in key_list: window.FindElement(key).Update(disabled=True)    # don't do this kind of for-loop
 
 while True:
-    button, values = window.Read()
+    event, values = window.Read()
-    if button is None or button == 'Exit':
+    if event in (None, 'Exit'):
         break
-    elif button == 'Disable':
+    elif event == 'Disable':
         for key in key_list: window.FindElement(key).Update(disabled=True)
-    elif button == 'Enable':
+    elif event == 'Enable':
         for key in key_list: window.FindElement(key).Update(disabled=False)
-    elif button == 'Values':
+    elif event == 'Values':
         sg.Popup(values, keep_on_top=True)
 
-
+sys.exit(0)
-

Demo_Fill_Form.py

@@ -46,17 +46,17 @@ def Everything():
     window.Layout(layout)
 
     while True:
-        button, values = window.Read()
+        event, values = window.Read()
 
-        if button is 'SaveSettings':
+        if event is 'SaveSettings':
             filename = sg.PopupGetFile('Save Settings', save_as=True, no_window=True)
             window.SaveToDisk(filename)
             # save(values)
-        elif button is 'LoadSettings':
+        elif event is 'LoadSettings':
             filename = sg.PopupGetFile('Load Settings', no_window=True)
             window.LoadFromDisk(filename)
             # load(form)
-        elif button in ['Exit', None]:
+        elif event in ['Exit', None]:
             break
 
     # window.CloseNonBlocking()

Demo_Font_Sizer.py

@@ -14,8 +14,8 @@ sz = fontSize
 window = sg.Window("Font size selector", grab_anywhere=False)
 window.Layout(layout)
 while True:
-    button, values= window.Read()
+    event, values= window.Read()
-    if button is None or button == 'Quit':
+    if event is None or event == 'Quit':
         break
     sz_spin = int(values['spin'])
     sz_slider = int(values['slider'])

Demo_Font_String.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+import sys
+if sys.version_info[0] >= 3:
+    import PySimpleGUI as sg
+else:
+    import PySimpleGUI27 as sg
+
+layout = [[sg.Text('This is my sample text',size=(20,1), key='_text_') ],
+          [sg.CB('Bold', key='_bold_', change_submits=True),
+           sg.CB('Italics', key='_italics_', change_submits=True),
+           sg.CB('Underline', key='_underline_', change_submits=True)],
+          [sg.Slider((6,50), default_value=12, size=(14,20), orientation='h', key='_slider_', change_submits=True),
+           sg.Text('Font size')],
+          [sg.Text('Font string = '), sg.Text('', size=(25,1), key='_fontstring_')],
+          [ sg.RButton('Exit')]]
+
+window = sg.Window('Font string builder').Layout(layout)
+
+text_elem = window.FindElement('_text_')
+while True:     # Event Loop
+    event, values = window.Read()
+    if event in (None, 'Exit'):
+        break
+    font_string = 'Helvitica '
+    font_string += str(values['_slider_'])
+    if values['_bold_']:
+        font_string += ' bold'
+    if values['_italics_']:
+        font_string += ' italic'
+    if values['_underline_']:
+        font_string += ' underline'
+    text_elem.Update(font=font_string)
+    window.FindElement('_fontstring_').Update('"'+font_string+'"')
+    print(event, values)

Demo_Func_Callback_Simulation.py

@@ -9,11 +9,11 @@ layout = [[sg.Text('Filename', )],
           [sg.Input(), sg.FileBrowse()],
           [sg.OK(), sg.Cancel()]]
 
-button, (number,) = sg.Window('Get filename example').LayoutAndRead(layout)
+event, (number,) = sg.Window('Get filename example').LayoutAndRead(layout)
 
 
 
 import PySimpleGUI as sg
 
-button, (filename,) = sg.Window('Get filename example').LayoutAndRead(
+event, (filename,) = sg.Window('Get filename example').LayoutAndRead(
     [[sg.Text('Filename')], [sg.Input(), sg.FileBrowse()], [sg.OK(), sg.Cancel()]])

Demo_GoodColors.py

@@ -47,7 +47,7 @@ def main():
 
     #===== Add a click me button for fun and SHOW the window ===== ===== ===== ===== ===== =====  =====#
     window.AddRow(sg.Button('Click ME!'))
-    (button, value) = window.Show()               # show it!
+    event, values = window.Read()               # show it!
 
 
 if __name__ == '__main__':

Demo_Graph_Drawing.py

@@ -16,17 +16,18 @@ point = graph.DrawPoint((75,75), 10, color='green')
 oval = graph.DrawOval((25,300), (100,280), fill_color='purple', line_color='purple' )
 rectangle = graph.DrawRectangle((25,300), (100,280), line_color='purple' )
 line = graph.DrawLine((0,0), (100,100))
-
+arc = graph.DrawArc((0,0), (400,400), 160, 10, style='arc' ,arc_color='blue')
 while True:
-    button, values = window.Read()
+    event, values = window.Read()
-    if button is None:
+    if event is None:
         break
-    if button is 'Blue':
+    if event is 'Blue':
         graph.TKCanvas.itemconfig(circle, fill = "Blue")
-    elif button is 'Red':
+    elif event is 'Red':
         graph.TKCanvas.itemconfig(circle, fill = "Red")
-    elif button is 'Move':
+    elif event is 'Move':
         graph.MoveFigure(point, 10,10)
         graph.MoveFigure(circle, 10,10)
         graph.MoveFigure(oval, 10,10)
         graph.MoveFigure(rectangle, 10,10)
+        graph.MoveFigure(arc, 10,10)

Demo_Graph_Element.py

@@ -45,8 +45,8 @@ def main():
     while True:
         time.sleep(.2)
 
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button == 'Quit' or values is None:
+        if event == 'Quit' or values is None:
             break
         if g_response_time is None or prev_response_time == g_response_time:
             continue

Demo_Graph_Element_Sine_Wave.py

@@ -34,7 +34,7 @@ for y in range(-100, 101, 20):
 
 # Draw Graph
 for x in range(-100,100):
-    y = math.sin(x/20)*50
+    y = math.sin(x/30)*50
     graph.DrawCircle((x,y), 1, line_color='red', fill_color='red')
 
-button, values = window.Read()
+event, values = window.Read()

Demo_Graph_Noise.py

@@ -45,9 +45,9 @@ def main():
     graph_value = 250
     while True:
         # time.sleep(.2)
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        print(button, values)
+        print(event, values)
-        if button == 'Quit' or values is None:
+        if event == 'Quit' or values is None:
             break
         graph_offset = random.randint(-10, 10)
         graph_value = graph_value + graph_offset

Demo_HowDoI.py

@@ -41,26 +41,26 @@ def HowDoI():
     command_history = []
     history_offset = 0
     while True:
-        (button, value) = window.Read()
+        event, values = window.Read()
-        if button is 'SEND':
+        if event == 'SEND':
-            query = value['query'].rstrip()
+            query = values['query'].rstrip()
-            print(query)
+            # print(query)
-            QueryHowDoI(query, value['Num Answers'], value['full text'])  # send the string to HowDoI
+            QueryHowDoI(query, values['Num Answers'], values['full text'])  # send the string to HowDoI
             command_history.append(query)
             history_offset = len(command_history)-1
             window.FindElement('query').Update('')                       # manually clear input because keyboard events blocks clear
             window.FindElement('history').Update('\n'.join(command_history[-3:]))
-        elif button is None or button is 'EXIT':            # if exit button or closed using X
+        elif event == None or event == 'EXIT':            # if exit button or closed using X
             break
-        elif 'Up' in button and len(command_history):                                # scroll back in history
+        elif 'Up' in event and len(command_history):                                # scroll back in history
             command = command_history[history_offset]
             history_offset -= 1 * (history_offset > 0)      # decrement is not zero
             window.FindElement('query').Update(command)
-        elif 'Down' in button and len(command_history):                              # scroll forward in history
+        elif 'Down' in event and len(command_history):                              # scroll forward in history
             history_offset += 1 * (history_offset < len(command_history)-1) # increment up to end of list
             command = command_history[history_offset]
             window.FindElement('query').Update(command)
-        elif 'Escape' in button:                            # clear currently line
+        elif 'Escape' in event:                            # clear currently line
             window.FindElement('query').Update('')
 
 

Demo_Img_Viewer.py

@@ -88,22 +88,22 @@ window.Layout(layout)          # Shows form on screen
 i=0
 while True:
     # read the form
-    button, values = window.Read()
+    event, values = window.Read()
-    print(button, values)
+    print(event, values)
     # perform button and keyboard operations
-    if button is None:
+    if event is None:
         break
-    elif button in ('Next', 'MouseWheel:Down', 'Down:40', 'Next:34'):
+    elif event in ('Next', 'MouseWheel:Down', 'Down:40', 'Next:34'):
         i += 1
         if i >= num_files:
             i -= num_files
         filename = os.path.join(folder, fnames[i])
-    elif button in ('Prev', 'MouseWheel:Up', 'Up:38', 'Prior:33'):
+    elif event in ('Prev', 'MouseWheel:Up', 'Up:38', 'Prior:33'):
         i -= 1
         if i < 0:
             i = num_files + i
         filename = os.path.join(folder, fnames[i])
-    elif button == 'listbox':            # something from the listbox
+    elif event == 'listbox':            # something from the listbox
         f = values["listbox"][0]            # selected filename
         filename = os.path.join(folder, f)  # read this file
         i = fnames.index(f)                 # update running index

Demo_Keyboard.py

@@ -16,14 +16,14 @@ window = sg.Window("Keyboard Test", return_keyboard_events=True, use_default_foc
 
 # ---===--- Loop taking in user input --- #
 while True:
-    button, value = window.Read()
+    event, values = window.Read()
     text_elem = window.FindElement('text')
-    if button in ("OK", None):
+    if event in ("OK", None):
-        print(button, "exiting")
+        print(event, "exiting")
         break
-    if len(button) == 1:
+    if len(event) == 1:
-        text_elem.Update(value='%s - %s' % (button, ord(button)))
+        text_elem.Update(value='%s - %s' % (event, ord(event)))
-    if button is not None:
+    if event is not None:
-        text_elem.Update(button)
+        text_elem.Update(event)
 
 

Demo_Keyboard_Realtime.py

@@ -11,15 +11,15 @@ layout = [[sg.Text("Hold down a key")],
 window = sg.Window("Realtime Keyboard Test", return_keyboard_events=True, use_default_focus=False).Layout(layout)
 
 while True:
-    button, value = window.ReadNonBlocking()
+    event, values = window.ReadNonBlocking()
 
-    if button == "OK":
+    if event == "OK":
-        print(button, value, "exiting")
+        print(event, values, "exiting")
         break
-    if button is not None:
+    if event is not None:
-        if len(button) == 1:
+        if len(event) == 1:
-            print('%s - %s'%(button, ord(button)))
+            print('%s - %s' % (event, ord(event)))
         else:
-            print(button)
+            print(event)
-    elif value is None:
+    elif values is None:
         break

Demo_Keypad.py

@@ -29,15 +29,15 @@ window = sg.Window('Keypad', default_button_element_size=(5, 2), auto_size_butto
 # Loop forever reading the form's values, updating the Input field
 keys_entered = ''
 while True:
-    button, values = window.Read()  # read the form
+    event, values = window.Read()  # read the form
-    if button is None:  # if the X button clicked, just exit
+    if event is None:  # if the X button clicked, just exit
         break
-    if button == 'Clear':  # clear keys if clear button
+    if event == 'Clear':  # clear keys if clear button
         keys_entered = ''
-    elif button in '1234567890':
+    elif event in '1234567890':
         keys_entered = values['input']  # get what's been entered so far
-        keys_entered += button  # add the new digit
+        keys_entered += event  # add the new digit
-    elif button == 'Submit':
+    elif event == 'Submit':
         keys_entered = values['input']
         window.FindElement('out').Update(keys_entered)  # output the final string
 

Demo_LED_Indicators.py

@@ -39,8 +39,8 @@ window = sg.Window('My new window', default_element_size=(12, 1), auto_size_text
 
 i = 0
 while True:  # Event Loop
-    button, value = window.ReadNonBlocking()
+    event, value = window.ReadNonBlocking()
-    if button == 'Exit':
+    if event == 'Exit':
         window.CloseNonBlocking()
         break
     if value is None:

Demo_MIDI_Player.py

@@ -90,16 +90,16 @@ class PlayerGUI():
         if 'window' not in locals() or window is None:          # if the widnow has been destoyed don't mess with it
             return PLAYER_COMMAND_EXIT
         self.TextElem.Update(DisplayString)
-        button, (values) = window.ReadNonBlocking()
+        event, (values) = window.ReadNonBlocking()
         if values is None:
             return PLAYER_COMMAND_EXIT
-        if button == 'PAUSE':
+        if event == 'PAUSE':
             return PLAYER_COMMAND_PAUSE
-        elif button == 'EXIT':
+        elif event == 'EXIT':
             return PLAYER_COMMAND_EXIT
-        elif button == 'NEXT':
+        elif event == 'NEXT':
             return PLAYER_COMMAND_NEXT
-        elif button == 'Restart Song':
+        elif event == 'Restart Song':
             return PLAYER_COMMAND_RESTART_SONG
         return PLAYER_COMMAND_NONE
 

Demo_Machine_Learning.py

@@ -52,8 +52,8 @@ def CustomMeter():
     # loop that would normally do something useful
     for i in range(10000):
         # check to see if the cancel button was clicked and exit loop if clicked
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button == 'Cancel' or values == None:
+        if event == 'Cancel' or values == None:
             break
         # update bar with loop value +1 so that bar eventually reaches the maximum
         progress_bar.UpdateBar(i+1)

Demo_Matplotlib.py

@@ -112,4 +112,4 @@ window = sg.Window('Demo Application - Embedding Matplotlib In PySimpleGUI', for
 fig_photo = draw_figure(window.FindElement('canvas').TKCanvas, fig)
 
 # show it all again and get buttons
-button, values = window.Read()
+event, values = window.Read()

Demo_Matplotlib_Animated.py

@@ -36,8 +36,8 @@ def main():
 
     dpts = [randint(0, 10) for x in range(10000)]
     for i in range(len(dpts)):
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button is 'Exit' or values is None:
+        if event is 'Exit' or values is None:
             exit(69)
 
         slider_elem.Update(i)

Demo_Matplotlib_Animated_Scatter.py

@@ -26,8 +26,8 @@ def main():
     canvas = canvas_elem.TKCanvas
 
     while True:
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button is 'Exit' or values is None:
+        if event is 'Exit' or values is None:
             exit(69)
 
         def PyplotScatterWithLegend():

Demo_Matplotlib_Browser.py

@@ -886,10 +886,10 @@ canvas_elem = window.FindElement('canvas')
 multiline_elem= window.FindElement('multiline')
 
 while True:
-    button, values = window.Read()
+    event, values = window.Read()
-    print(button)
+    print(event)
     # show it all again and get buttons
-    if button is None or button is 'Exit':
+    if event is None or event is 'Exit':
         break
 
     try:

Demo_Matplotlib_Ping_Graph.py

@@ -662,8 +662,8 @@ def main():
     plt.tight_layout()
 
     while True:
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button is 'Exit' or values is None:
+        if event is 'Exit' or values is None:
             exit(0)
 
         run_a_ping_and_graph()

Demo_Matplotlib_Ping_Graph_Large.py

@@ -96,8 +96,8 @@ def main():
     plt.tight_layout()
 
     while True:
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button is 'Exit' or values is None:
+        if event is 'Exit' or values is None:
             break
 
         run_a_ping_and_graph()

Demo_Media_Player.py

@@ -57,12 +57,12 @@ def MediaPlayerGUI():
     # Our event loop
     while(True):
         # Read the form (this call will not block)
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button == 'Exit':
+        if event == 'Exit':
             break
         # If a button was pressed, display it on the GUI by updating the text element
-        if button:
+        if event:
-            window.FindElement('output').Update(button)
+            window.FindElement('output').Update(event)
 
 MediaPlayerGUI()
 

Demo_Menus.py

@@ -43,19 +43,19 @@ def TestMenus():
 
     # ------ Loop & Process button menu choices ------ #
     while True:
-        button, values = window.Read()
+        event, values = window.Read()
-        if button is None or button == 'Exit':
+        if event is None or event == 'Exit':
             return
-        print('Button = ', button)
+        print('Event = ', event)
         # ------ Process menu choices ------ #
-        if button == 'About...':
+        if event == 'About...':
-            window.Hide()
+            # window.Hide()
             sg.Popup('About this program','Version 1.0', 'PySimpleGUI rocks...', grab_anywhere=True)
-            window.UnHide()
+            # window.UnHide()
-        elif button == 'Open':
+        elif event == 'Open':
             filename = sg.PopupGetFile('file to open', no_window=True)
             print(filename)
-        elif button == 'Properties':
+        elif event == 'Properties':
             SecondForm()
 
 TestMenus()

Demo_NonBlocking_Form.py

@@ -26,13 +26,13 @@ def StatusOutputExample():
     i=0
     while (True):
         # This is the code that reads and updates your window
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
         window.FindElement('output').Update('{:02d}:{:02d}.{:02d}'.format((i // 100) // 60, (i // 100) % 60, i % 100))
-        if button == 'Quit' or values is None:
+        if event == 'Quit' or values is None:
             break
-        if button == 'LED On':
+        if event == 'LED On':
             print('Turning on the LED')
-        elif button == 'LED Off':
+        elif event == 'LED Off':
             print('Turning off the LED')
 
         i += 1

Demo_OpenCV.py

@@ -40,8 +40,8 @@ def main():
     # ---===--- LOOP through video file by frame --- #
     i = 0
     while vidFile.isOpened():
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button is 'Exit' or values is None:
+        if event is 'Exit' or values is None:
             exit(69)
         ret, frame = vidFile.read()
         if not ret:  # if out of data stop looping

Demo_OpenCV_Webcam.py

@@ -6,6 +6,7 @@ else:
     import PySimpleGUI27 as sg
 import cv2 as cv
 from PIL import Image
+import numpy as np
 import io
 from sys import exit as exit
 
@@ -19,39 +20,50 @@ def main():
     # define the window layout
     layout = [[sg.Text('OpenCV Demo', size=(40, 1), justification='center', font='Helvetica 20')],
               [sg.Image(filename='', key='image')],
-              [sg.ReadButton('Exit', size=(10, 1), pad=((200, 0), 3), font='Helvetica 14'),
+              [sg.ReadButton('Record', size=(10, 1), font='Helvetica 14'),
+               sg.RButton('Stop', size=(10, 1), font='Any 14'),
+              sg.ReadButton('Exit', size=(10, 1), font='Helvetica 14'),
                sg.RButton('About', size=(10,1), font='Any 14')]]
 
     # create the window and show it without the plot
     window = sg.Window('Demo Application - OpenCV Integration',
                        location=(800,400))
-    window.Layout(layout)
+    window.Layout(layout).Finalize()
-    window.ReadNonBlocking()
 
     # ---===--- Event LOOP Read and display frames, operate the GUI --- #
     cap = cv.VideoCapture(0)
+    recording = False
     while True:
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
 
-        if button is 'Exit' or values is None:
+        if event == 'Exit' or values is None:
             sys.exit(0)
-        elif button == 'About':
+        elif event == 'Record':
+            recording = True
+        elif event == 'Stop':
+            recording = False
+            img = Image.new('RGB', (640, 480), (255, 255, 255))
+            bio = io.BytesIO()  # a binary memory resident stream
+            img.save(bio, format='PNG')  # save image as png to it
+            imgbytes = bio.getvalue()
+            window.FindElement('image').Update(data=imgbytes)
+        elif event == 'About':
             sg.PopupNoWait('Made with PySimpleGUI',
                            'www.PySimpleGUI.org',
                            'Check out how the video keeps playing behind this window.',
                            'I finally figured out how to display frames from a webcam.',
                            'ENJOY!  Go make something really cool with this... please!',
                            keep_on_top=True)
+        if recording:
+            ret, frame = cap.read()
 
-        ret, frame = cap.read()
+            gray = cv.cvtColor(frame, cv.COLOR_BGR2GRAY)
 
-        gray = cv.cvtColor(frame, cv.COLOR_BGR2GRAY)
+            # let img be the PIL image
-
+            img = Image.fromarray(gray)  # create PIL image from frame
-        # let img be the PIL image
+            bio = io.BytesIO()  # a binary memory resident stream
-        img = Image.fromarray(gray)  # create PIL image from frame
+            img.save(bio, format= 'PNG')  # save image as png to it
-        bio = io.BytesIO()  # a binary memory resident stream
+            imgbytes = bio.getvalue()  # this can be used by OpenCV hopefully
-        img.save(bio, format= 'PNG')  # save image as png to it
+            window.FindElement('image').Update(data=imgbytes)
-        imgbytes = bio.getvalue()  # this can be used by OpenCV hopefully
-        window.FindElement('image').Update(data=imgbytes)
 
 main()

Demo_PDF_Viewer.py

@@ -124,20 +124,20 @@ old_zoom = 0  # used for zoom on/off
 # the zoom buttons work in on/off mode.
 
 while True:
-    button, value = window.ReadNonBlocking()
+    event, values = window.ReadNonBlocking()
     zoom = 0
     force_page = False
-    if button is None and value is None:
+    if event is None and values is None:
         break
-    if button is None:
+    if event is None:
         continue
 
-    if button in ("Escape:27",):  # this spares me a 'Quit' button!
+    if event in ("Escape:27",):  # this spares me a 'Quit' button!
         break
     # print("hex(button)", hexlify(button.encode()))
-    if button[0] == chr(13):  # surprise: this is 'Enter'!
+    if event[0] == chr(13):  # surprise: this is 'Enter'!
         try:
-            cur_page = int(value[0]) - 1  # check if valid
+            cur_page = int(values[0]) - 1  # check if valid
             while cur_page < 0:
                 cur_page += page_count
         except:
@@ -145,17 +145,17 @@ while True:
         goto.Update(str(cur_page + 1))
         # goto.TKStringVar.set(str(cur_page + 1))
 
-    elif button in ("Next", "Next:34", "MouseWheel:Down"):
+    elif event in ("Next", "Next:34", "MouseWheel:Down"):
         cur_page += 1
-    elif button in ("Prev", "Prior:33", "MouseWheel:Up"):
+    elif event in ("Prev", "Prior:33", "MouseWheel:Up"):
         cur_page -= 1
-    elif button == "Top-L":
+    elif event == "Top-L":
         zoom = 1
-    elif button == "Top-R":
+    elif event == "Top-R":
         zoom = 2
-    elif button == "Bot-L":
+    elif event == "Bot-L":
         zoom = 3
-    elif button == "Bot-R":
+    elif event == "Bot-R":
         zoom = 4
 
     # sanitize page number
@@ -169,7 +169,7 @@ while True:
         zoom = old_zoom = 0
         force_page = True
 
-    if button in zoom_buttons:
+    if event in zoom_buttons:
         if 0 < zoom == old_zoom:
             zoom = 0
             force_page = True
@@ -184,6 +184,6 @@ while True:
     old_zoom = zoom
 
     # update page number field
-    if button in my_keys or not value[0]:
+    if event in my_keys or not values[0]:
         goto.Update(str(cur_page + 1))
         # goto.TKStringVar.set(str(cur_page + 1))

Demo_PNG_Thumbnail_Viewer.py

@@ -0,0 +1,136 @@
+#!/usr/bin/env python
+import sys
+if sys.version_info[0] >= 3:
+    import PySimpleGUI as sg
+else:
+    import PySimpleGUI27 as sg
+import os
+from sys import exit as exit
+from  PIL import Image
+import io
+import numpy as np
+
+thumbnails = {}
+
+ROWS = 8
+COLUMNS = 8
+sg.SetOptions(border_width=0)
+# Get the folder containing the images from the user
+# folder = 'A:/TEMP/pdfs'
+folder = sg.PopupGetFolder('Image folder to open')
+if folder is None:
+    sg.PopupCancel('Cancelling')
+    exit(0)
+def image_file_to_bytes(filename, size):
+    try:
+        image = Image.open(filename)
+        image.thumbnail(size, Image.ANTIALIAS)
+        bio = io.BytesIO()  # a binary memory resident stream
+        image.save(bio, format='PNG')  # save image as png to it
+        imgbytes = bio.getvalue()
+    except:
+        imgbytes = None
+    return imgbytes
+
+def set_image_to_blank(key):
+    img = Image.new('RGB', (100, 100), (255, 255, 255))
+    img.thumbnail((1, 1), Image.ANTIALIAS)
+    bio = io.BytesIO()
+    img.save(bio, format='PNG')
+    imgbytes = bio.getvalue()
+    window.FindElement(key).Update(image_data=imgbytes)
+
+
+
+# get list of PNG files in folder
+png_files = [os.path.join(folder, f) for f in os.listdir(folder) if '.png' in f]
+filenames_only = [f for f in os.listdir(folder) if '.png' in f]
+
+if len(png_files) == 0:
+    sg.Popup('No PNG images in folder')
+    exit(0)
+
+# define menu layout
+menu = [['&File', ['&Open Folder', 'E&xit']], ['&Help', ['&About',]]]
+
+buttons = []
+for display_index in range(ROWS):
+    row = []
+    for j in range(COLUMNS):
+        row.append(sg.RButton('',border_width=0,button_color=sg.COLOR_SYSTEM_DEFAULT, key=(display_index, j)))
+    buttons.append(row)
+
+col_buttons = [[]]
+
+# define layout, show and read the window
+col = [[sg.Text(png_files[0], size=(80, 3), key='filename')],
+          [sg.Image(data=image_file_to_bytes(png_files[0], (500,500)), key='image')],]
+
+layout = [[sg.Menu(menu)], [sg.Column(buttons), sg.Column([[sg.Slider((len(png_files),0),default_value=0,size=(38,20),orientation='v', key='_slider_', change_submits=True)]]), sg.Column(col)]]
+window = sg.Window('Image Browser',
+                   return_keyboard_events=True,
+                   use_default_focus=False ).Layout(layout).Finalize()
+
+# -------========= Event Loop =========--------
+display_index=0
+while True:
+    for x in range(ROWS):               # update thumbnails
+        for y in range(COLUMNS):
+            cur_index = display_index + (x * 4) + y
+            if cur_index < len(png_files):
+                filename = png_files[cur_index]
+                if filename not in thumbnails:
+                    imgbytes = image_file_to_bytes(filename, (100,100))
+                    thumbnails[filename] = imgbytes
+                else:
+                    imgbytes = thumbnails[filename]
+                button_elem = window.FindElement(key=(x,y))
+                button_elem.Update(image_data=imgbytes)
+            else:
+                set_image_to_blank((x,y))
+
+    event, values = window.Read()
+    display_index = values['_slider_']
+    # --------------------- Button & Keyboard ---------------------
+    if event in (None, 'Exit'):
+        break
+    elif event in ('MouseWheel:Down', 'Down:40',) and display_index < len(png_files)-1:
+        display_index += 4
+    elif event in ('MouseWheel:Up', 'Up:38',) and display_index > 0:
+        display_index -= 4
+    elif event in ('Prior:33', 'Prev'):
+        display_index -= 16
+    elif event in ('Next:34', 'Next'):
+        display_index += 16
+
+    window.FindElement('_slider_').Update(display_index)
+    # ----------------- Menu choices -----------------
+    if event == 'Open Folder':
+        newfolder = sg.PopupGetFolder('New folder', no_window=True)
+        if newfolder is None:
+            continue
+        folder = newfolder
+        png_files = [os.path.join(folder, f) for f in os.listdir(folder) if '.png' in f]
+        filenames_only = [f for f in os.listdir(folder) if '.png' in f]
+        display_index = 0
+        thumbnail = {}
+        for j in range(ROWS):
+            for i in range(COLUMNS):
+                set_image_to_blank((i,j))
+        # img = Image.new('RGB', (1,1), (255,255,255))
+        # img.thumbnail((1,1), Image.ANTIALIAS)
+        # bio = io.BytesIO()
+        # img.save(bio, format='PNG')
+        # imgbytes = bio.getvalue()
+        # [window.FindElement((i,j)).Update(image_data=imgbytes) for j in range(ROWS) for i in range(COLUMNS)]
+    elif event == 'About':
+        sg.Popup('Demo PNG Viewer Program', 'Please give PySimpleGUI a try!')
+    elif type(event) is tuple:
+        x, y = event
+        image_index = display_index + (x * 4) + y
+        if image_index < len(png_files):
+            filename = png_files[image_index]
+            imgbytes = image_file_to_bytes(filename, (500, 500))
+            window.FindElement('image').Update(data=imgbytes)
+            window.FindElement('filename').Update(filename)
+

Demo_PNG_Viewer.py

@@ -42,21 +42,21 @@ window = sg.Window('Image Browser', return_keyboard_events=True, location=(0,0),
 i=0
 while True:
 
-    button, values = window.Read()
+    event, values = window.Read()
     # --------------------- Button & Keyboard ---------------------
-    if button is None:
+    if event is None:
         break
-    elif button in ('Next', 'MouseWheel:Down', 'Down:40', 'Next:34') and i < len(png_files)-1:
+    elif event in ('Next', 'MouseWheel:Down', 'Down:40', 'Next:34') and i < len(png_files)-1:
         i += 1
-    elif button in ('Prev', 'MouseWheel:Up', 'Up:38', 'Prior:33') and i > 0:
+    elif event in ('Prev', 'MouseWheel:Up', 'Up:38', 'Prior:33') and i > 0:
         i -= 1
-    elif button == 'Exit':
+    elif event == 'Exit':
         exit(69)
 
-    filename = folder + '/' + values['listbox'][0] if button == 'Read' else png_files[i]
+    filename = folder + '/' + values['listbox'][0] if event == 'Read' else png_files[i]
 
     # ----------------- Menu choices -----------------
-    if button == 'Open Folder':
+    if event == 'Open Folder':
         newfolder = sg.PopupGetFolder('New folder', no_window=True)
         if newfolder is None:
             continue
@@ -66,7 +66,7 @@ while True:
         window.FindElement('listbox').Update(values=filenames_only)
         window.Refresh()
         i = 0
-    elif button == 'About':
+    elif event == 'About':
         sg.Popup('Demo PNG Viewer Program', 'Please give PySimpleGUI a try!')
 
     # update window with new image

Demo_PSG_SDK_Quick_Ref.py

@@ -1,4 +1,9 @@
-import PySimpleGUI as sg
+#!/usr/bin/env python
+import sys
+if sys.version_info[0] >= 3:
+    import PySimpleGUI as sg
+else:
+    import PySimpleGUI27 as sg
 
 desc_text = """
 Text(   text
@@ -20,6 +25,7 @@ Shortcuts: Txt, T
 desc_inputtext = """
 InputText(  default_text =''
             size=(None, None)
+            disabled=False
             auto_size_text=None
             password_char=''
             justification=None
@@ -55,6 +61,7 @@ desc_inputoptionmenu = """
 InputOptionMenu(values
                 default_value=None
                 size=(None, None)
+                disabled=False
                 auto_size_text=None
                 background_color=None
                 text_color=None
@@ -90,6 +97,7 @@ CheckBox(   text
             background_color=None
             text_color=None
             change_submits=False
+            disabled=False
             key=None
             pad=None
             tooltip=None)
@@ -101,6 +109,7 @@ desc_radio = """
 Radio(  text
         group_id
         default=False
+        disabled=False
         size=(None, None)
         auto_size_text=None
         background_color=None
@@ -114,6 +123,7 @@ Radio(  text
 desc_spin = """
 Spin(   values
         initial_value=None
+        disabled=False
         change_submits=False
         size=(None, None)
         auto_size_text=None
@@ -128,6 +138,7 @@ Spin(   values
 desc_multiline = """
 MultiLine(  default_text=''
             enter_submits = False
+            disabled=False
             autoscroll=False
             size=(None,None)
             auto_size_text=None
@@ -157,6 +168,7 @@ Button( button_text=''
         tooltip=None
         file_types=(("ALL Files", "*.*"),)
         initial_folder=None
+        disabled=False
         image_filename=None
         image_size=(None, None)
         image_subsample=None
@@ -264,6 +276,7 @@ Slider( range=(None,None)
         border_width=None
         relief=None
         change_submits=False
+        disabled=False
         size=(None, None)
         font=None
         background_color=None
@@ -277,6 +290,7 @@ Slider( range=(None,None)
 desc_spin = """
 Spin(   values
         initial_value=None
+        disabled=False
         change_submits=False
         size=(None, None)
         auto_size_text=None
@@ -414,7 +428,7 @@ tab_progressbar = [[sg.Column([[sg.Text(desc_progressbar, font=('Consolas 12'))]
 tab_optionmenu = [[sg.Column([[sg.OptionMenu([1,2,3,4,5], size=(15,1))],[sg.Text(desc_inputoptionmenu, font=('Consolas 12'))]])]]
 tab_combo = [[sg.Column([[sg.Combo([1,2,3,4,5], size=(15,1))],[sg.Text(desc_inputoptionmenu, font=('Consolas 12'))]])]]
 tab_frame = [[sg.Column([[sg.Frame('Frame',[[sg.T('     ')]], size=(15,1))],[sg.Text(desc_frame, font=('Consolas 12'))]])]]
-tab_column = [[sg.Column([[]],size=(15,1))],[sg.Text(desc_column, font=('Consolas 12'))]]
+tab_column = [[sg.Text(desc_column, font=('Consolas 12'))]]
 tab_graph = [[sg.Text(desc_graph, font=('Consolas 12'))]]
 tab_tab = [[sg.Text(desc_tab, font=('Consolas 12'))]]
 tab_tabgroup = [[sg.Text(desc_tabgroup, font=('Consolas 12'))]]
@@ -423,16 +437,25 @@ tab_table = [[sg.Text(desc_table, font=('Consolas 12'))]]
 tab_window = [[sg.Text(desc_window, font=('Consolas 12'))]]
 
 layout = [[sg.TabGroup([[sg.Tab('Window',tab_window),
-                            sg.Tab('Text',tab_text),  sg.Tab('InputText', tab_input), sg.Tab('Checkbox', tab_checkbox),
+                         sg.Tab('Text',tab_text),
-                         sg.Tab('Radio',tab_radio), sg.Tab('Listbox', tab_listbox), sg.Tab('Slider', tab_slider),
+                         sg.Tab('InputText', tab_input),
-                         sg.Tab('Spinner',tab_spinner), sg.Tab('Multiline', tab_multiline),
+                         sg.Tab('Checkbox', tab_checkbox),
+                         sg.Tab('Radio',tab_radio),
+                         sg.Tab('Listbox', tab_listbox),
+                         sg.Tab('Slider', tab_slider),
+                         sg.Tab('Spinner',tab_spinner),
+                         sg.Tab('Multiline', tab_multiline),
                          sg.Tab('Output', tab_output),
                          sg.Tab('ProgressBar', tab_progressbar),
-                         sg.Tab('OptionMenu', tab_optionmenu), sg.Tab('Frame', tab_frame),
+                         sg.Tab('OptionMenu', tab_optionmenu),
-                         sg.Tab('Combo', tab_combo), sg.Tab('Column', tab_column),
+                         sg.Tab('Combo', tab_combo),
-                         sg.Tab('Graph', tab_graph), sg.Tab('Image', tab_image),
+                         sg.Tab('Image', tab_image),
                          sg.Tab('Table', tab_table),
-                         sg.Tab('Tab', tab_tab), sg.Tab('TabGroup', tab_tabgroup),
+                         sg.Tab('Graph', tab_graph),
+                         sg.Tab('Frame', tab_frame),
+                         sg.Tab('Column', tab_column),
+                         sg.Tab('Tab', tab_tab),
+                         sg.Tab('TabGroup', tab_tabgroup),
                          ]], tab_location='lefttop', title_color='blue', selected_title_color='red')]]
 
 # layout = [[sg.Text('The PySimpleGUI SDK Quick Reference Guide', font='Any 15', relief=sg.RELIEF_RAISED)],
@@ -444,8 +467,8 @@ window = sg.Window('PySimpleGUI SDK Quick Reference',
                    font='Any 12').Layout(layout)
 
 while True:
-    button, values = window.Read()
+    event, values = window.Read()
-    if button is None or button == 'Exit':
+    if event is None or event == 'Exit':
         break
     element = values['_in_'][0]
     try:

Demo_Password_Login.py

@@ -30,8 +30,8 @@ def HashGeneratorGUI():
                        text_justification='r', return_keyboard_events=True, grab_anywhere=False).Layout(layout)
 
     while True:
-        button, values = window.Read()
+        event, values = window.Read()
-        if button is None:
+        if event is None:
               exit(69)
 
         password = values['password']

Demo_Pi_LEDs.py

@@ -41,13 +41,13 @@ layout = [[sg.T('Raspberry Pi LEDs')],
 window = sg.Window('Raspberry Pi GUI', grab_anywhere=False).Layout(layout)
 
 while True:
-    button, values = window.Read()
+    event, values = window.Read()
-    if button is None:
+    if event is None:
         break
 
-    if button is 'Switch LED':
+    if event is 'Switch LED':
         window.FindElement('output').Update(SwitchLED())
-    elif button is 'Flash LED':
+    elif event is 'Flash LED':
         window.FindElement('output').Update('LED is Flashing')
         window.ReadNonBlocking()
         FlashLED()

Demo_Pi_Robotics.py

@@ -40,13 +40,13 @@ def RemoteControlExample():
     # your program's main loop
     while (True):
         # This is the code that reads and updates your window
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button is not None:
+        if event is not None:
-            window.FindElement('status').Update(button)
+            window.FindElement('status').Update(event)
         else:
             window.FindElement('status').Update('')
         # if user clicked quit button OR closed the form using the X, then break out of loop
-        if button == 'Quit' or values is None:
+        if event == 'Quit' or values is None:
             break
 
     window.CloseNonBlocking()
@@ -73,13 +73,13 @@ def RemoteControlExample_NoGraphics():
     # your program's main loop
     while (True):
         # This is the code that reads and updates your window
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button is not None:
+        if event is not None:
-            window.FindElement('status').Update(button)
+            window.FindElement('status').Update(event)
         else:
             window.FindElement('status').Update('')
         # if user clicked quit button OR closed the form using the X, then break out of loop
-        if button == 'Quit' or values is None:
+        if event == 'Quit' or values is None:
             break
 
     window.CloseNonBlocking()

Demo_Ping_Line_Graph.py

@@ -638,8 +638,8 @@ prev_x, prev_y  = canvas_left, canvas_bottom
 while True:
     time.sleep(.2)
 
-    button, values = window.ReadNonBlocking()
+    event, values = window.ReadNonBlocking()
-    if button == 'Quit' or values is None:
+    if event == 'Quit' or values is None:
         break
 
     if g_response_time is None or prev_response_time == g_response_time:

Demo_Pong.py

@@ -155,19 +155,19 @@ def pong():
         bat2.draw()
 
         # ------------- Read the form, get keypresses -------------
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
         # ------------- If quit  -------------
-        if button is None and values is None or button == 'Quit':
+        if event is None and values is None or event == 'Quit':
             exit(69)
         # ------------- Keypresses -------------
-        if button is not None:
+        if event is not None:
-            if button.startswith('Up'):
+            if event.startswith('Up'):
                 bat2.up(2)
-            elif button.startswith('Down'):
+            elif event.startswith('Down'):
                 bat2.down(2)
-            elif button == 'w':
+            elif event == 'w':
                 bat1.up(1)
-            elif button == 's':
+            elif event == 's':
                 bat1.down(1)
 
         if ball1.checkwin():

Demo_Popup_Custom.py

@@ -22,8 +22,8 @@ def PopupDropDown(title, text, values):
     window = sg.Window(title).Layout([[sg.Text(text)],
                                       [sg.DropDown(values, key='_drop')],
                                       [sg.OK(), sg.Cancel()]])
-    button, values = window.Read()
+    event, values = window.Read()
-    return None if button != 'OK' else values['_drop']
+    return None if event != 'OK' else values['_drop']
 
 
 # -----------------------  Calling your PopupDropDown function -----------------------

Demo_Popups.py

@@ -5,6 +5,12 @@ if sys.version_info[0] >= 3:
 else:
     import PySimpleGUI27 as sg
 
+from PySimpleGUI import Print as print
+
+
+print('test')
+sg.PopupGetFile('Get file', save_as=True,file_types=(("ALL Files", "*.jpg")))
+
 # Here, have some windows on me....
 [sg.PopupNoWait('No-wait Popup', location=(500+100*x,500)) for x in range(10)]
 

Demo_Progress_Meters.py

@@ -37,16 +37,16 @@ def DemoOneLineProgressMeter():
                  sg.T('Delay'), sg.In(default_text='10', key='TimeOuter', size=(5,1), do_not_clear=True), sg.T('ms')],
                 [sg.T('Inner Loop Count', size=(15,1), justification='r'), sg.In(default_text='100', size=(5,1), key='CountInner', do_not_clear=True) ,
                  sg.T('Delay'), sg.In(default_text='10', key='TimeInner', size=(5,1), do_not_clear=True), sg.T('ms')],
-                [sg.Button('Show', pad=((0,0), 3), bind_return_key=True), sg.T('me the meters!')]
+                [sg.RButton('Show', pad=((0,0), 3), bind_return_key=True), sg.T('me the meters!')]
               ]
 
     window = sg.Window('One-Line Progress Meter Demo').Layout(layout)
 
     while True:
-        button, values = window.Read()
+        event, values = window.Read()
-        if button is None:
+        if event is None:
             break
-        if button == 'Show':
+        if event == 'Show':
             max_outer = int(values['CountOuter'])
             max_inner = int(values['CountInner'])
             delay_inner = int(values['TimeInner'])
@@ -77,8 +77,8 @@ def CustomMeter():
     # loop that would normally do something useful
     for i in range(10000):
         # check to see if the cancel button was clicked and exit loop if clicked
-        button, values = window.ReadNonBlocking()
+        event, values = window.ReadNonBlocking()
-        if button == 'Cancel' or values == None:
+        if event == 'Cancel' or values == None:
             break
         # update bar with loop value +1 so that bar eventually reaches the maximum
         progress_bar.UpdateBar(i+1)

Demo_Pyplot_Bar_Chart.py

@@ -84,4 +84,4 @@ window = sg.Window('Demo Application - Embedding Matplotlib In PySimpleGUI', for
 fig_photo = draw_figure(window.FindElement('canvas').TKCanvas, fig)
 
 # show it all again and get buttons
-button, values = window.Read()
+event, values = window.Read()

Demo_Pyploy_Bar_Chart2.py

@@ -76,4 +76,4 @@ window = sg.Window('Demo Application - Embedding Matplotlib In PySimpleGUI', for
 fig_photo = draw_figure(window.FindElement('canvas').TKCanvas, fig)
 
 # show it all again and get buttons
-button, values = window.Read()
+event, values = window.Read()

Demo_Script_Launcher.py

@@ -55,18 +55,18 @@ def Launcher2():
 
     # ---===--- Loop taking in user input  --- #
     while True:
-        (button, value) = window.Read()
+        event, values = window.Read()
-        if button in ('EXIT', None):
+        if event in ('EXIT', None):
             break           # exit button clicked
-        if button in ('Shortcut 1', 'Fav Program'):
+        if event in ('Shortcut 1', 'Fav Program'):
             print('Quickly launch your favorite programs using these shortcuts')
             print('Or  copy files to your github folder.  Or anything else you type on the command line')
             # copyfile(source, dest)
-        elif button is 'Run':
+        elif event is 'Run':
-            for index, file in enumerate(value['demolist']):
+            for index, file in enumerate(values['demolist']):
                 print('Launching %s'%file)
                 window.Refresh()          # make the print appear immediately
-                if value['wait']:
+                if values['wait']:
                     execute_command_blocking(LOCATION_OF_YOUR_SCRIPTS + file)
                 else:
                     execute_command_nonblocking(LOCATION_OF_YOUR_SCRIPTS + file)

Demo_Script_Parameters.py

@@ -19,9 +19,9 @@ stores the result in the variable fname, just like the command line parsing did.
 '''
 
 if len(sys.argv) == 1:
-    button, (fname,) = sg.Window('My Script').LayoutAndRead([[sg.T('Document to open')],
+    event, (fname,) = sg.Window('My Script').LayoutAndRead([[sg.T('Document to open')],
-                                                           [sg.In(), sg.FileBrowse()],
+                                                            [sg.In(), sg.FileBrowse()],
-                                                           [sg.Open(), sg.Cancel()]])
+                                                            [sg.Open(), sg.Cancel()]])
 else:
     fname = sys.argv[1]
 

Demo_Spinner_Compound_Element.py

@@ -27,11 +27,11 @@ window = sg.Window('Spinner simulation').Layout(layout)
 # --- Event Loop --- #
 counter = 0
 while True:
-    button, value = window.Read()
+    event, values = window.Read()
 
-    if button == 'Ok' or button is None:    # be nice to your user, always have an exit from your form
+    if event == 'Ok' or event is None:    # be nice to your user, always have an exit from your form
         break
 
     # --- do spinner stuff --- #
-    counter += 1 if button =='+' else -1 if button == '-' else 0
+    counter += 1 if event == '+' else -1 if event == '-' else 0
     window.FindElement('spin').Update(counter)

Demo_Super_Simple_Form.py

@@ -18,6 +18,6 @@ layout = [
         ]
 
 window = sg.Window('Simple Data Entry Window').Layout(layout)
-button, values = window.Read()
+event, values = window.Read()
 
-sg.Popup(button, values, values['name'], values['address'], values['phone'])
+sg.Popup(event, values, values['name'], values['address'], values['phone'])

Demo_Table_CSV.py

@@ -6,7 +6,6 @@ else:
     import PySimpleGUI27 as sg
 import csv
 
-
 def table_example():
     filename = sg.PopupGetFile('filename to open', no_window=True, file_types=(("CSV Files","*.csv"),))
     # --- populate table with file contents --- #
@@ -29,14 +28,19 @@ def table_example():
                 sys.exit(69)
     sg.SetOptions(element_padding=(0, 0))
 
-    col_layout = [[sg.Table(values=data, headings=header_list, max_col_width=25,
+    col_layout = [[sg.Table(values=data,
-                            auto_size_columns=True, justification='right', size=(None, len(data)))]]
+                            headings=header_list,
+                            max_col_width=25,
+                            auto_size_columns=True,
+                            justification='right',
+                            alternating_row_color='lightblue',
+                            num_rows=len(data))]]
 
     canvas_size = (13*10*len(header_list), 600)      # estimate canvas size - 13 pixels per char * 10 char per column * num columns
     layout = [[sg.Column(col_layout, size=canvas_size, scrollable=True)],]
 
     window = sg.Window('Table', grab_anywhere=False).Layout(layout)
-    b, v = window.Read()
+    event, values = window.Read()
 
     sys.exit(69)
 

Demo_Table_Element.py

@@ -1,5 +1,8 @@
 #!/usr/bin/env python
 import sys
+
+from Demo_Turtle import canvas
+
 if sys.version_info[0] >= 3:
     import PySimpleGUI as sg
 else:
@@ -21,12 +24,16 @@ if filename is not None:
 
 sg.SetOptions(element_padding=(0, 0))
 
-col_layout = [[sg.Table(values=data[1:][:], headings=[data[0][x] for x in range(len(data[0]))], max_col_width=25,
+headings = [data[0][x] for x in range(len(data[0]))]
-                        auto_size_columns=True, display_row_numbers=True, justification='right', size=(None, len(data)))]]
 
-layout = [[sg.Column(col_layout, size=(1200,600), scrollable=True)],]
+col_layout = [[sg.Table(values=data[1:][:], headings=headings, max_col_width=25,
+                        auto_size_columns=True, display_row_numbers=True, justification='right', num_rows=len(data), alternating_row_color='lightblue')]]
+
+canvas_size = (13 * 10 * len(headings), 600)  # estimate canvas size - 13 pixels per char * 10 per column * num columns
+
+layout = [[sg.Column(col_layout, size=canvas_size, scrollable=True)],]
 window = sg.Window('Table', grab_anywhere=False).Layout(layout)
 
-b, v = window.Read()
+event, values = window.Read()
 
 sys.exit(69)

Demo_Table_Pandas.py

@@ -31,13 +31,13 @@ def table_example():
     # sg.SetOptions(element_padding=(0, 0))
 
     col_layout = [[sg.Table(values=data, headings=header_list, display_row_numbers=True,
-                            auto_size_columns=False, size=(None, len(data)))]]
+                            auto_size_columns=False, num_rows=len(data))]]
 
     canvas_size = (13*10*len(header_list), 600)      # estimate canvas size - 13 pixels per char * 10 per column * num columns
     layout = [[sg.Column(col_layout, size=canvas_size, scrollable=True)]]
 
     window = sg.Window('Table', grab_anywhere=False)
-    b, v = window.LayoutAndRead(layout)
+    event, values = window.LayoutAndRead(layout)
 
     sys.exit(69)
 

Demo_Table_Simulation.py

@@ -37,13 +37,13 @@ def TableSimulation():
     window = sg.Window('Table', return_keyboard_events=True, grab_anywhere=False).Layout(layout)
 
     while True:
-        button, values = window.Read()
+        event, values = window.Read()
         # --- Process buttons --- #
-        if button is None or button == 'Exit':
+        if event is None or event == 'Exit':
             break
-        elif button == 'About...':
+        elif event == 'About...':
             sg.Popup('Demo of table capabilities')
-        elif button == 'Open':
+        elif event == 'Open':
             filename = sg.PopupGetFile('filename to open', no_window=True, file_types=(("CSV Files","*.csv"),))
             # --- populate table with file contents --- #
             if filename is not None:

Demo_Tabs.py

@@ -44,8 +44,8 @@ window = sg.Window('My window with tabs', default_element_size=(12,1)).Layout(la
 
 
 while True:
-    b, v = window.Read()
+    event, values = window.Read()
-    sg.PopupNonBlocking(b,v)
+    sg.PopupNonBlocking(event, values)
-    print(b,v)
+    print(event, values)
-    if b is None:           # always,  always give a way out!
+    if event is None:           # always,  always give a way out!
         break

Demo_Tabs_Nested.py

@@ -33,7 +33,7 @@ window = sg.Window('My window with tabs', default_element_size=(12,1)).Layout(la
 print('Are there enough tabs for you?')
 
 while True:
-    button, values = window.Read()
+    event, values = window.Read()
-    print(button,values)
+    print(event, values)
-    if button is None:           # always,  always give a way out!
+    if event is None:           # always,  always give a way out!
         break

Demo_Tabs_Simple.py

@@ -19,8 +19,7 @@ window = sg.Window('My window with tabs', default_element_size=(12,1)).Layout(la
 
 
 while True:
-    b, v = window.Read()
+    event, values = window.Read()
-    sg.PopupNonBlocking('button = %s'%b,'Values dictionary', v)
+    sg.PopupNonBlocking('button = %s' % event, 'Values dictionary', values)
-    print(b,v)
+    if event is None:           # always,  always give a way out!
-    if b is None:           # always,  always give a way out!
         break

Demo_Template.py

@@ -14,7 +14,7 @@ layout = [[ sg.Text('My layout') ],
           [ sg.Button('Next Window')]]
 
 window = sg.Window('My window').Layout(layout)
-button, value = window.Read()
+event, values = window.Read()
 
 
 # -------------------------------------#
@@ -33,7 +33,7 @@ layout = [[ sg.Text('My layout') ],
 window = sg.Window('My new window').Layout(layout)
 
 while True:     # Event Loop
-    button, value = window.Read()
+    event, values = window.Read()
-    if button is None:
+    if event is None:
         break
-    print(button, value)
+    print(event, values)

Demo_Tree_Element.py

@@ -22,8 +22,10 @@ layout = [[ sg.Text('Tree Test') ],
 
 window = sg.Window('Tree Element Test').Layout(layout)
 
+print(treedata)
+
 while True:     # Event Loop
-    button, value = window.Read()
+    event, values = window.Read()
-    if button is None:
+    if event is None:
         break
-    print(button, value)
+    print(event, values)

Demo_Turtle.py

@@ -18,8 +18,9 @@ import turtle
 
 
 layout = [[ sg.Text('My layout') ],
-          [sg.Canvas(size=(500,500), key='_canvas_')],
+          [sg.Canvas(size=(800,800), key='_canvas_')],
-          [ sg.RButton('F'), sg.RButton('B'), sg.RButton('L'), sg.RButton('R')]]
+          [ sg.RButton('F'), sg.RButton('B'), sg.RButton('L'), sg.RButton('R')],
+          [sg.RButton('Spiral'), sg.RButton('Inside Out'), sg.RButton('Circles')]]
 
 window = sg.Window('My new window').Layout(layout).Finalize()
 
@@ -28,20 +29,56 @@ canvas = window.FindElement('_canvas_').TKCanvas
 t = turtle.RawTurtle(canvas)
 t.pencolor("#ff0000") # Red
 
-t.penup()   # Regarding one of the comments
+t.penup()
-t.pendown() # Regarding one of the comments
+t.pendown()
 
 while True:     # Event Loop
-    button, value = window.Read()
+    event, values = window.Read()
-    if button is None:
+    if event is None:
         break
 
-    if button == 'F':
+    if event == 'F':
         t.forward(100)
-    elif button == 'B':
+    elif event == 'B':
         t.back(100)
-    elif button == 'L':
+    elif event == 'L':
         t.left(90)
-    elif button == 'R':
+    elif event == 'R':
         t.right(90)
-
+    elif event == 'Spiral':
+        canvas.config(bg='light green')
+        t.color("blue")
+        def sqrfunc(size):
+            for i in range(4):
+                t.fd(size)
+                t.left(90)
+                size = size - 5
+        sqrfunc(146)
+        sqrfunc(126)
+        sqrfunc(106)
+        sqrfunc(86)
+        sqrfunc(66)
+        sqrfunc(46)
+        sqrfunc(26)
+    elif event == 'Inside Out':
+        canvas.config(bg = "light green")
+        t.color("blue")
+        def sqrfunc(size):
+            for i in range(4):
+                t.fd(size)
+                t.left(90)
+                size = size + 5
+        sqrfunc(6)
+        sqrfunc(26)
+        sqrfunc(46)
+        sqrfunc(66)
+        sqrfunc(86)
+        sqrfunc(106)
+        sqrfunc(126)
+        sqrfunc(146)
+    elif event == 'Circles':
+        t.speed(0)
+        for i in range(400):
+            t.circle(2 * i*.25)
+            t.circle(-2 * i*.25)
+            t.left(i)

Demo_Window_Disappear.py

@@ -11,11 +11,11 @@ layout = [[ sg.Text('My Window') ],
 window = sg.Window('My window').Layout(layout)
 
 while True:
-    button, value = window.Read()
+    event, values = window.Read()
-    if button is None:
+    if event is None:
         break
-    if button == 'Disappear':
+    if event == 'Disappear':
-        window.Disapper()
+        window.Disappear()
         sg.Popup('Click OK to make window reappear')
         window.Reappear()
 

Demo_YouTube_Intro.py

@@ -6,6 +6,6 @@ layout = [[sg.Text('What is your name?')],
 
 window = sg.Window('Title of Window').Layout(layout)
 
-button, values = window.Read()
+event, values = window.Read()
 
 sg.Popup('Hello {}'.format(values[0]))

Demo_Youtube-dl_Frontend.py

@@ -30,11 +30,11 @@ def DownloadSubtitlesGUI():
 
     # ---===--- Loop taking in user input and using it to query HowDoI --- #
     while True:
-        (button, gui) = window.Read()
+        event, values = window.Read()
-        if button in ('EXIT', None):
+        if event in ('EXIT', None):
             break           # exit button clicked
-        link = gui['link']
+        link = values['link']
-        if button is 'Get List':
+        if event is 'Get List':
             print('Getting list of subtitles....')
             window.Refresh()
             command = [f'C:/Python/PycharmProjects/GooeyGUI/youtube-dl --list-subs {link}',]
@@ -44,8 +44,8 @@ def DownloadSubtitlesGUI():
             combobox.Update(values=lang_list)
             print('Done')
 
-        elif button is 'Download':
+        elif event is 'Download':
-            lang = gui['lang']
+            lang = values['lang']
             if lang is '':
                 lang = 'en'
             print(f'Downloading subtitle for {lang}...')

Demo_psutil_Kill_Processes.py

@@ -62,14 +62,14 @@ def main():
     # ----------------  main loop  ----------------
     while (True):
         # --------- Read and update window --------
-        button, values = window.Read()
+        event, values = window.Read()
-        if 'Mouse' in button or 'Control' in button or 'Shift' in button:
+        if 'Mouse' in event or 'Control' in event or 'Shift' in event:
             continue
         # --------- Do Button Operations --------
-        if values is None or button == 'Exit':
+        if values is None or event == 'Exit':
             break
 
-        if button == 'Sort by Name':
+        if event == 'Sort by Name':
             psutil.cpu_percent(interval=1)
             procs = psutil.process_iter()
             all_procs = [[proc.cpu_percent(), proc.name(), proc.pid] for proc in procs]
@@ -78,13 +78,16 @@ def main():
             for process in sorted_by_cpu_procs:
                 display_list.append('{:5d} {:5.2f} {}\n'.format(process[2], process[0]/10, process[1]))
             window.FindElement('_processes_').Update(display_list)
-        elif button == 'Kill':
+        elif event == 'Kill':
             processes_to_kill = values['_processes_']
             for proc in processes_to_kill:
                 pid = int(proc[0:5])
-                if sg.PopupYesNo('About to kill {} {}'.format(pid, proc[13:]), keep_on_top=True) == 'Yes':
+                if sg.PopupYesNo('About to kill {} {}'.format(pid, proc[12:]), keep_on_top=True) == 'Yes':
-                    kill_proc_tree(pid=pid)
+                    try:
-        elif button == 'Sort by % CPU':
+                        kill_proc_tree(pid=pid)
+                    except:
+                        sg.PopupAutoClose('Error killing process', auto_close_duration=1)
+        elif event == 'Sort by % CPU':
             psutil.cpu_percent(interval=1)
             procs = psutil.process_iter()
             all_procs = [[proc.cpu_percent(), proc.name(), proc.pid] for proc in procs]
@@ -103,4 +106,5 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
+    main()
+    sys.exit(0)