Demo updates with new theme calls

DemoPrograms/Demo_All_Widgets.py

@@ -5,15 +5,16 @@ Example of (almost) all widgets, that you can use in PySimpleGUI.
 
 import PySimpleGUI as sg
 
-sg.change_look_and_feel('GreenTan')
+# sg.theme('Dark Red')
-
+# sg.theme('Default1')
+# sg.set_options(text_color='black', background_color='#A6B2BE', text_element_background_color='#A6B2BE')
 # ------ Menu Definition ------ #
 menu_def = [['&File', ['&Open', '&Save', 'E&xit', 'Properties']],
             ['&Edit', ['Paste', ['Special', 'Normal', ], 'Undo'], ],
             ['&Help', '&About...'], ]
 
 # ------ Column Definition ------ #
-column1 = [[sg.Text('Column 1', background_color='lightblue', justification='center', size=(10, 1))],
+column1 = [[sg.Text('Column 1', 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'),
@@ -30,13 +31,10 @@ layout = [
         [sg.CBox('Checkbox', size=(10, 1)),
          sg.CBox('My second checkbox!', default=True)],
         [sg.Radio('My first Radio!     ', "RADIO1", default=True, size=(10, 1)),
-         sg.Radio('My second Radio!', "RADIO1")]], title='Options',
+         sg.Radio('My second Radio!', "RADIO1")]], title='Options', relief=sg.RELIEF_SUNKEN, tooltip='Use these to set flags')],
-             title_color='red',
-             relief=sg.RELIEF_SUNKEN,
-             tooltip='Use these to set flags')],
     [sg.MLine(default_text='This is the default Text should you decide not to type anything', size=(35, 3)),
      sg.MLine(default_text='A second multi-line', size=(35, 3))],
-    [sg.Combo(('Combobox 1', 'Combobox 2'), size=(20, 1)),
+    [sg.Combo(('Combobox 1', 'Combobox 2'),default_value='Combobox 1', size=(20, 1)),
      sg.Slider(range=(1, 100), orientation='h', size=(34, 20), default_value=85)],
     [sg.OptionMenu(('Menu Option 1', 'Menu Option 2', 'Menu Option 3'))],
     [sg.Listbox(values=('Listbox 1', 'Listbox 2', 'Listbox 3'), size=(30, 3)),
@@ -44,7 +42,7 @@ layout = [
          sg.Slider(range=(1, 100), orientation='v', size=(5, 20), default_value=25, tick_interval=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.Col(column1, background_color='lightblue')]])
+         sg.Col(column1)]])
     ],
     [sg.Text('_' * 80)],
     [sg.Text('Choose A Folder', size=(35, 1))],
@@ -52,7 +50,7 @@ layout = [
      sg.InputText('Default Folder'), sg.FolderBrowse()],
     [sg.Submit(tooltip='Click to submit this form'), sg.Cancel()]]
 
-window = sg.Window('Everything bagel', layout,
+window = sg.Window('Everything bagel', layout, no_titlebar=True,
     default_element_size=(40, 1), grab_anywhere=False)
 
 event, values = window.read()

DemoPrograms/Demo_Bar_Chart.py

@@ -25,7 +25,7 @@ EDGE_OFFSET = 3
 GRAPH_SIZE = (500,500)
 DATA_SIZE = (500,500)
 
-sg.change_look_and_feel('Light Brown 1')
+sg.theme('Light Brown 1')
 
 graph = sg.Graph(GRAPH_SIZE, (0,0), DATA_SIZE)
 

DemoPrograms/Demo_Borderless_Window.py

@@ -3,7 +3,7 @@ import PySimpleGUI as sg
 
 # Turn off padding in order to get a really tight looking layout.
 
-sg.change_look_and_feel('Dark')
+sg.theme('Dark')
 sg.set_options(element_padding=(0, 0))
 
 layout = [[sg.Text('User:', pad=((3, 0), 0)), sg.OptionMenu(values=('User 1', 'User 2'), size=(20, 1)),

DemoPrograms/Demo_Button_Click.py

@@ -1,30 +1,31 @@
-#!/usr/bin/env python
-import winsound
-import sys
 import PySimpleGUI as sg
+from random import randint
 
-if not sys.platform.startswith('win'):
+sg.theme('Dark Blue 3')
-    sg.popup_error('Sorry, you gotta be on Windows')
-    sys.exit(0)
 
-# .WAV files that contain your click sounds. Put full path if not in your application's folder
+layout = [  [sg.Text('Temperature'), sg.T(' '*30), sg.Text(size=(8,1), key='-TEMP OUT-')],
-click_sound = r'ButtonClick.wav'
+            [sg.Text('Set Temp'), sg.T(' '*8), sg.Input(size=(8,1), key='-IN-'), sg.T(' '*10), sg.Button('Set')],
-click_sound1 = r'ButtonClick1.wav'
+            [sg.Button('Off'), sg.T(' '*13), sg.Button('Turn relay on', button_color=('white', 'red')),sg.T(' '*5), sg.Button('Quit')]  ]
 
-sg.change_look_and_feel('Dark Blue 3')      # because gray windows are boring
+window = sg.Window('Temperature Manager', layout, font='Default -24', return_keyboard_events=True, no_titlebar=True)
 
-# Your window's layout
+while True:             # Event Loop
-layout = [  [sg.Text('Click a button to hear a click')],
+    event, values = window.read(timeout=500)    # returns every 500 ms
-            [sg.Button('Click'), sg.Button('Another Click')]]
+    print(event, values) if event != sg.TIMEOUT_KEY else None       # a debug print
-# Create your Window
+    if event in (None, 'Quit'):
-window = sg.Window("Button Click", layout)
-
-while True:             # The Event Loops
-    event, values = window.read()
-    if event is None:
         break
-    if event == 'Click':
+    if event == 'Set':
-        winsound.PlaySound(click_sound, 1)
+        print('setting temperature to ', values['-IN-'])
-    elif event == 'Another Click':
+        window['-TEMP OUT-'].update(values['-IN-'] + ' C')
-        winsound.PlaySound(click_sound1, 1)
+    elif event.startswith('Turn'):
+        print('Turning on the relay')
+    elif event == 'Off':
+        print('Turning off sensor')
+    elif event.startswith('F11'):
+        window.maximize()
+    elif event.startswith('Escape'):
+        window.normal()
+
+    window['-TEMP OUT-'].update(str(randint(2,70)) + ' C')
+
 window.close()

DemoPrograms/Demo_Button_States.py

@@ -7,7 +7,7 @@ Shows how button states can be controlled by a user application.  The program ma
 states for buttons and changes the text color to show greyed-out (disabled) buttons
 """
 
-sg.change_look_and_feel('Dark')
+sg.theme('Dark')
 sg.set_options(element_padding=(0, 0))
 
 layout = [[sg.Text('User:', pad=((3, 0), 0)), sg.OptionMenu(values=('User 1', 'User 2'), size=(20, 1)), sg.Text('0', size=(8, 1))],

DemoPrograms/Demo_Buttons_Base64_Simple.py

@@ -7,7 +7,7 @@ play = b'iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAYAAAAeP4ixAAAABmJLR0QA/wD/AP+gvaeTAAA
 stop = b'iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAYAAAAeP4ixAAAABmJLR0QA/wD/AP+gvaeTAAAAaklEQVRoge3ZQQqAMAxFwSre/8p6AZFUiXzKzLqLPNJVOwYAvLcVzpztU9Q8zrr/NUW3Y+JsZXsdSjdimY0ISSMkjZA0QtIISSMkjZA0QtIISSMkjZA0QtIISSMkzcxrfMo/ya1lNgIAX1zq+ANHUjXZuAAAAABJRU5ErkJggg=='
 eject = b'iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAYAAAAeP4ixAAAABmJLR0QA/wD/AP+gvaeTAAAByklEQVRoge3YO2gUURSA4S+JRnyACIGADyxERAsb0UKrWIidWIidlSA2YpFWSauNVtrYiIU2YpFCLGwEEWwsBAsLEbFQFARFfKBZizkyK5pkZvZmZ7PeH05z595z/sPszpxdMplMJpMZbDZFLGsm8CxiomWXxqzBQ3QiHmNdq0YNGMc9RQOvIjqxNt6iVy1GcF0h/h47sR1vY+0mRluzq8ElhfBn7O9a34tPce1KC161OK8Q/Y7D/7h+EF9jz7k+etXilELwJ44vsO8ofsTeM33wqsURpdzZCvtPK5s+toRetZjCF4XYTI1zM3HmGw4lt6rJbnxQCF1tcP5ynP2IPQm9arENb0LkDsYa5BjFrcjxDjuS2VVkI16EwH2s6iHXStxVvjy39GxXkfV4Iu3Y0T3OPMWGBDkXZDUeRMHnmEyY+/eA2cEjrE2Y+w/GcDsKvcbWJaixGS+jxixWpC4wgmvK+WlX6gJddM9lN6J2Mi4q56cDKRPPwz7lXHYhVdJp5W+KtmK61yZOYG4AGpnDyV6byWT+ZxZ7Rnf6YlGdeX2XxZ8AVag6AiR9uzZg0U/G0NyR3MigUfU7MmhPr78YmjuSyWQymUxmmPgFokSdfYSQKDwAAAAASUVORK5CYII='
 
-sg.change_look_and_feel('Light Green 3')                                # Set a color theme
+sg.theme('Light Green 3')                                # Set a color theme
 
 bg = sg.LOOK_AND_FEEL_TABLE[sg.CURRENT_LOOK_AND_FEEL]['BACKGROUND']     # Get the background for the current theme
 

DemoPrograms/Demo_Buttons_Nice_Graphics.py

@@ -50,7 +50,7 @@ def GraphicButton(text, key, image_data, color=DEF_BUTTON_COLOR, size=(100, 50))
 
 def ShowMeTheButtons():
 
-    sg.change_look_and_feel('Black')
+    sg.theme('Black')
 
     frame_layout = [[sg.Text('Who says Windows have to be ugly when using tkinter?', size=(45, 3))],
                     [sg.Text(

DemoPrograms/Demo_Chat.py

@@ -6,7 +6,7 @@ A simple send/response chat window.  Add call to your send-routine and print the
 If async responses can come in, then will need to use a different design that uses PySimpleGUI async design pattern
 '''
 
-sg.change_look_and_feel('GreenTan') # give our window a spiffy set of colors
+sg.theme('GreenTan') # give our window a spiffy set of colors
 
 layout = [[sg.Text('Your output will go here', size=(40, 1))],
           [sg.Output(size=(110, 20), font=('Helvetica 10'))],

DemoPrograms/Demo_Chat_With_History.py

@@ -15,7 +15,7 @@ Special keyboard keys:
 def ChatBotWithHistory():
     # -------  Make a new Window  ------- #
     # give our form a spiffy set of colors
-    sg.change_look_and_feel('GreenTan')
+    sg.theme('GreenTan')
 
     layout = [[sg.Text('Your output will go here', size=(40, 1))],
               [sg.Output(size=(127, 30), font=('Helvetica 10'))],

DemoPrograms/Demo_Chatterbot.py

@@ -13,7 +13,7 @@ to collect user input that is sent to the chatbot.  The reply is displayed in th
 
 # Create the 'Trainer GUI'
 # The Trainer GUI consists of a lot of progress bars stacked on top of each other
-sg.change_look_and_feel('GreenTan')
+sg.theme('GreenTan')
 # sg.DebugWin()
 MAX_PROG_BARS = 20              # number of training sessions
 bars = []

DemoPrograms/Demo_Chatterbot_With_TTS.py

@@ -16,7 +16,7 @@ to collect user input that is sent to the chatbot.  The reply is displayed in th
 
 # Create the 'Trainer GUI'
 # The Trainer GUI consists of a lot of progress bars stacked on top of each other
-sg.change_look_and_feel('NeutralBlue')
+sg.theme('NeutralBlue')
 # sg.DebugWin()
 MAX_PROG_BARS = 20              # number of training sessions
 bars = []

DemoPrograms/Demo_Color.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-import sys
 import PySimpleGUI as sg
 
 reverse = {}

DemoPrograms/Demo_Color_Chooser_Custom.py

@@ -662,7 +662,7 @@ def popup_color_chooser(look_and_feel=None):
     old_look_and_feel = None
     if look_and_feel is not None:
         old_look_and_feel = sg.CURRENT_LOOK_AND_FEEL
-        sg.change_look_and_feel(look_and_feel)
+        sg.theme(look_and_feel)
 
     button_size = (1, 1)
 
@@ -697,12 +697,12 @@ def popup_color_chooser(look_and_feel=None):
         color_chosen = event[1]
     window.close()
     if old_look_and_feel is not None:
-        sg.change_look_and_feel(old_look_and_feel)
+        sg.theme(old_look_and_feel)
     return color_chosen
 
 
 if __name__ == '__main__':
-    sg.change_look_and_feel('Light Brown 4')
+    sg.theme('Light Brown 4')
     layout = [[sg.In(key='-CHOICE-'), sg.B('Color Picker')],
               [sg.Ok(), sg.Cancel()]]
     window = sg.Window('My application', layout)

DemoPrograms/Demo_Color_Names.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-import PySimpleGUIQt as sg
+import PySimpleGUI as sg
 
 """
    
@@ -665,6 +665,7 @@ color_map = {
     'YellowGreen': '#9ACD32',
 }
 
+sg.popup_quick_message('Building your table... one moment please...', background_color='red', text_color='white', font='Any 14')
 
 sg.set_options(button_element_size=(12, 1),
                element_padding=(0, 0),
@@ -672,12 +673,8 @@ sg.set_options(button_element_size=(12, 1),
                border_width=1, tooltip_time=100)
 
 # start layout with the tittle
-layout = [
+layout = [[sg.Text('Hover mouse to see RGB value, click for white & black text',
-    [sg.Text('Hover mouse to see RGB value, click for white & black text',
+          justification='center', text_color='blue', background_color='light green', size=(90, 1), font='Default 14', pad=(0, (0, 20)))]]
-          justification='center',
-          text_color='blue', background_color='light green',
-          size=(100, 1), pad=(0, (0, 20)))]
-]
 
 # -- Create primary color viewer window --
 color_list = [key for key in color_map]
@@ -694,7 +691,7 @@ for rows in range(40):
     layout.append(row)
 
 
-window = sg.Window('Color Viewer', layout, grab_anywhere=False, font=('any 9'), element_padding=(0,0), border_depth=0)
+window = sg.Window('Color Viewer', layout, font='Any 9', element_padding=(0,0), border_depth=0)
 
 # -- Event loop --
 while True:

DemoPrograms/Demo_Column_And_Frames.py

@@ -1,16 +1,6 @@
 # this one long import has the effect of making the code more compact as there is no 'sg.' prefix required for Elements
 import PySimpleGUI as sg
-from PySimpleGUI import InputCombo, Combo, Multiline, ML,
+from PySimpleGUI import InputCombo, Combo, Multiline, ML, MLine, Checkbox, CB, Check, Button, B, Btn, ButtonMenu, Canvas, Column, Col, Combo, Frame, Graph, Image, InputText, Input, In, Listbox, LBox, Menu, Multiline, ML, MLine, OptionMenu, Output, Pane, ProgressBar, Radio, Slider, Spin, StatusBar, Tab, TabGroup, Table, Text, Txt, T, Tree, TreeData,  VerticalSeparator, Window, Sizer
-                MLine, Checkbox, CB, Check,
-                Button, B, Btn, ButtonMenu,
-                Canvas, Column, Col, Combo,
-                Frame, Graph, Image, InputText,
-                Input, In, Listbox, LBox, Menu,
-                Multiline, ML, MLine, OptionMenu,
-                Output, Pane, ProgressBar, Radio,
-                Slider, Spin, StatusBar, Tab,
-                TabGroup, Table, Text, Txt, T,
-                Tree, TreeData,  VerticalSeparator, Window, Sizer
 
 """
     Demo Columns and Frames
@@ -22,7 +12,7 @@ from PySimpleGUI import InputCombo, Combo, Multiline, ML,
     There are 3 columns.  Two are side by side at the top and the third is along the bottom
 """
 
-sg.change_look_and_feel('GreenTan')
+sg.theme('GreenTan')
 
 col2 = Column([[Frame('Accounts:', [[Column([[Listbox(['Account '+str(i) for i in range(1, 16)],
                                                       key='-ACCT-LIST-', size=(15, 20)), ]], size=(150, 400))]])]], pad=(0, 0))

DemoPrograms/Demo_Columns.py

@@ -5,7 +5,7 @@ import PySimpleGUI as sg
     Usage of Column Element
 '''
 
-sg.change_look_and_feel('BlueMono')
+sg.theme('BlueMono')
 
 css = {'text_color': 'white', 'background_color': 'blue'}
 # Column layout

DemoPrograms/Demo_Compare_Files.py

@@ -5,7 +5,7 @@ import PySimpleGUI as sg
     Simple "diff" in PySimpleGUI
 '''
 
-sg.change_look_and_feel('Dark Blue 3')
+sg.theme('Dark Blue 3')
 
 def GetFilesToCompare():
     form_rows = [[sg.Text('Enter 2 files to comare')],

DemoPrograms/Demo_Conways_Game_of_Life.py

@@ -142,7 +142,7 @@ class GameOfLife:
                                               line_color='black', fill_color='yellow')
         event, values = self.window.read(timeout=self.delay)
         if event in (None, '-DONE-'):
-            return
+            exit()
         self.delay = values['-SLIDER-']
         self.T = int(values['-SLIDER2-'])
         self.window['-S1-OUT-'].update(values['-SLIDER-'])

DemoPrograms/Demo_Cursor_Changed_To_Hand.py

@@ -12,7 +12,7 @@ import webbrowser
 # Here is a more complete list of cursors you can choose from
 cursors = ('X_cursor', 'no', 'arrow','based_arrow_down','based_arrow_up','boat','bogosity','bottom_left_corner','bottom_right_corner','bottom_side','bottom_tee','box_spiral','center_ptr','circle','clock','coffee_mug','cross','cross_reverse','crosshair','diamond_cross','dot','dotbox','double_arrow','draft_large','draft_small','draped_box','exchange','fleur','gobbler','gumby','hand1','hand2','heart','icon','iron_cross','left_ptr','left_side','left_tee','leftbutton','ll_angle','lr_angle','man','middlebutton','mouse','no','pencil','pirate','plus','question_arrow','right_ptr','right_side','right_tee','rightbutton','rtl_logo','sailboat','sb_down_arrow','sb_h_double_arrow','sb_left_arrow','sb_right_arrow','sb_up_arrow','sb_v_double_arrow','shuttle','sizing','spider','spraycan','star','target','tcross','top_left_arrow','top_left_corner','top_right_corner','top_side','top_tee','trek','ul_angle','umbrella','ur_angle','watch','xterm','arrow','center_ptr','crosshair','fleur','ibeam','icon','sb_h_double_arrow','sb_v_double_arrow','watch','xterm','no','starting','size','size_ne_sw','size_ns','size_nw_se','size_we','uparrow','wait','arrow','cross','crosshair','ibeam','plus','watch','xterm')
 
-sg.change_look_and_feel('Light Blue 2')
+sg.theme('Light Blue 2')
 
 layout = [  [sg.Text('Here is a clickable link for you')],
             [sg.Text('Notice how the cursor switches to a "hand" when hover over the link')],
@@ -21,18 +21,16 @@ layout = [  [sg.Text('Here is a clickable link for you')],
             [sg.Text('watch - This makes the spinning-donut-of-death cursor on Windows', key='-WATCH-')],
             [sg.Text('fleur - The "Move" cursor', key='-FLEUR-')],
             [sg.Text('trek - Beam me up Scotty!', key='-TREK-')],
-            # [sg.Text('watch -', key='-WATCH-')],
-            # [sg.Text('watch -', key='-WATCH LEFT-')],
             [sg.Button('Exit')]  ]
 
 window = sg.Window('Window Title', layout, finalize=True)
 
 # Directly interact with the tkinter widget, changing the cursor shown when placed cursor is over this element
-window['-LINK-'].Widget.config(cursor='hand2')
+window['-LINK-'].set_cursor(cursor='hand2')
-window['-WATCH-'].Widget.config(cursor='watch')
+window['-WATCH-'].set_cursor(cursor='watch')
-window['-FLEUR-'].Widget.config(cursor='fleur')
+window['-FLEUR-'].set_cursor(cursor='fleur')
-window['-TREK-'].Widget.config(cursor='trek')
+window['-TREK-'].set_cursor(cursor='trek')
-window['Exit'].Widget.config(cursor='no')
+window['Exit'].set_cursor(cursor='no')
 
 while True:             # Event Loop
     event, values = window.read()

DemoPrograms/Demo_Design_Pattern_Multiple_Windows.py

@@ -8,10 +8,11 @@ import PySimpleGUI as sg
         3. There is a safeguard to stop from launching multiple copies of window2.  Only 1 window2 is visible at a time
 """
 
+sg.theme('Dark Blue 3')
 # Window 1 layout
 layout = [
             [sg.Text('This is the FIRST WINDOW'), sg.Text('      ', key='-OUTPUT-')],
-            [sg.Text('')],
+            [sg.Text()],
             [sg.Button('Launch 2nd Window'), sg.Button('Popup'), sg.Button('Exit')]
          ]
 
@@ -31,8 +32,8 @@ while True:             # Event Loop
         win2_active = True
         # window 2 layout - note - must be "new" every time a window is created
         layout2 = [
-            [sg.Text('The second window'), sg.Text('', key='-OUTPUT-')],
+            [sg.Text('The second window')],
-            [sg.Input('', key='-IN-')],
+            [sg.Input(key='-IN-')],
             [sg.Button('Show'), sg.Button('Exit')]
                 ]
         window2 = sg.Window('Second Window', layout2)

DemoPrograms/Demo_Design_Pattern_Multiple_Windows2.py

@@ -8,13 +8,14 @@ import PySimpleGUI as sg
 # Design pattern 2 - First window remains active
 
 layout = [[ sg.Text('Window 1'),],
-          [sg.Input('')],
+          [sg.Input()],
           [sg.Text('', size=(20,1), key='-OUTPUT-')],
           [sg.Button('Launch 2'), sg.Button('Exit')]]
 
 window1 = sg.Window('Window 1', layout)
 
 window2_active = False
+
 while True:
     event1, values1 = window1.read(timeout=100)
     window1['-OUTPUT-'].update(values1[0])

DemoPrograms/Demo_Design_Pattern_Multiple_Windows3.py

@@ -5,7 +5,7 @@ import PySimpleGUI as sg
 '''
 
 layout = [[sg.Text('Window 1'), ],
-          [sg.Input('')],
+          [sg.Input()],
           [sg.Text('',size=(20,1),  key='-OUTPUT-')],
           [sg.Button('Next >'), sg.Button('Exit')]]
 

DemoPrograms/Demo_Design_Patterns.py

@@ -11,7 +11,7 @@ These are the accepted design patterns that cover the two primary use cases
 # ---------------------------------#
 import PySimpleGUI as sg
 
-sg.change_look_and_feel('Dark Blue 3')
+sg.theme('Dark Blue 3')
 
 layout = [[ sg.Text('My Oneshot') ],
           [ sg.Button('OK') ]]
@@ -26,7 +26,7 @@ window.close()
 # -------------------------------------#
 import PySimpleGUI as sg
 
-sg.change_look_and_feel('Dark Blue 3')
+sg.theme('Dark Blue 3')
 
 layout = [[ sg.Text('My layout', text_color='red') ],
           [ sg.Input(key='-INPUT-')],
@@ -45,7 +45,7 @@ window.close()
 # ------------------------------------------------------------------#
 import PySimpleGUI as sg
 
-sg.change_look_and_feel('Dark Blue 3')
+sg.theme('Dark Blue 3')
 
 layout = [[ sg.Text('My layout', key='-TEXT-KEY-') ],
           [ sg.Button('OK'), sg.Button('Cancel') ]]

DemoPrograms/Demo_Desktop_Floating_Toolbar.py

@@ -19,7 +19,7 @@ ROOT_PATH = './'
 
 def Launcher():
 
-    sg.change_look_and_feel('Dark')
+    sg.theme('Dark')
 
     namesonly = [f for f in os.listdir(ROOT_PATH) if f.endswith('.py')]
 

DemoPrograms/Demo_Desktop_Widget_CPU_Dashboard.py

@@ -54,7 +54,7 @@ def main():
 
     num_cores = len(psutil.cpu_percent(percpu=True))        # get the number of cores in the CPU
 
-    sg.change_look_and_feel('Black')
+    sg.theme('Black')
     sg.set_options(element_padding=(0,0), margins=(1,1), border_width=0)
 
     # the clever Red X graphic

DemoPrograms/Demo_Desktop_Widget_CPU_Graph.py

@@ -33,7 +33,7 @@ def main():
     global g_exit, g_response_time
     # start ping measurement thread
 
-    sg.change_look_and_feel('Black')
+    sg.theme('Black')
     sg.set_options(element_padding=(0, 0))
 
     layout = [

DemoPrograms/Demo_Desktop_Widget_CPU_Utilization.py

@@ -40,7 +40,7 @@ def main():
     global g_interval,  g_procs, g_exit
 
     # ----------------  Create Form  ----------------
-    sg.change_look_and_feel('Black')
+    sg.theme('Black')
     layout = [
         [sg.Text('', size=(8, 1), font=('Helvetica', 20),
               text_color=sg.YELLOWS[0], justification='center', key='text')],

DemoPrograms/Demo_Desktop_Widget_CPU_Utilization_Simple.py

@@ -5,7 +5,7 @@ import psutil
 # Yet another usage of CPU data
 
 # ----------------  Create Form  ----------------
-sg.change_look_and_feel('Black')
+sg.theme('Black')
 
 layout = [[sg.Text('CPU Utilization')],
           [sg.Text('', size=(8, 2), font=('Helvetica', 20),

DemoPrograms/Demo_Desktop_Widget_Email_Notification.py

@@ -20,7 +20,7 @@ MAX_EMAILS = 10
 
 
 def gui():
-    sg.change_look_and_feel('Topanga')
+    sg.theme('Topanga')
     sg.set_options(border_width=0, margins=(0, 0), element_padding=(4, 0))
     color = ('#282923', '#282923')
     layout = [[sg.Text('Email New Mail Notification' + 48 * ' '),

DemoPrograms/Demo_Desktop_Widget_Timer.py

@@ -20,7 +20,7 @@ def time_as_int():
 
 
 # ----------------  Create Form  ----------------
-sg.change_look_and_feel('Black')
+sg.theme('Black')
 
 layout = [[sg.Text('')],
           [sg.Text('', size=(8, 2), font=('Helvetica', 20),

DemoPrograms/Demo_Desktop_Widget_psutil_Dashboard.py

@@ -56,7 +56,7 @@ def human_size(bytes, units=[' bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB']):
 
 def main():
     # ----------------  Create Window  ----------------
-    sg.change_look_and_feel('Black')
+    sg.theme('Black')
     sg.set_options(element_padding=(0, 0), margins=(1, 1), border_width=0)
 
     def GraphColumn(name, key):

DemoPrograms/Demo_Disable_Elements.py

@@ -5,7 +5,7 @@ import PySimpleGUI as sg
     Usage of Disable elements
 '''
 
-sg.change_look_and_feel('Dark')
+sg.theme('Dark')
 sg.set_options(element_padding=(0, 0))
 
 layout = [

DemoPrograms/Demo_EXE_Maker.py

@@ -9,7 +9,7 @@ import os
 '''
 
 def Launcher():
-    sg.change_look_and_feel('LightGreen')
+    sg.theme('LightGreen')
 
     layout = [[sg.Text('PyInstaller EXE Creator', font='Any 15')],
               [sg.Text('Source Python File'), sg.Input(key='-sourcefile-', size=(45, 1)),

DemoPrograms/Demo_Email_Send.py

@@ -61,7 +61,7 @@ def send_an_email(from_address, to_address, subject, message_text, user, passwor
 '''
 
 def main():
-    sg.change_look_and_feel('Dark Blue 3')
+    sg.theme('Dark Blue 3')
     layout = [[sg.Text('Send an Email', font='Default 18')],
               [sg.T('From:', size=(8,1)), sg.Input(key='-EMAIL FROM-', size=(35,1))],
               [sg.T('To:', size=(8,1)), sg.Input(key='-EMAIL TO-', size=(35,1))],

DemoPrograms/Demo_Event_Binding.py

@@ -12,7 +12,7 @@ import PySimpleGUI as sg
     Second parameter for windows is an entire key, for elements is something added onto a key.  This key or modified key is what is returned when you read the window.
     If the key modifier is text and the key is text, then the key returned from the read will be the 2 concatenated together.  Otherwise your event will be a tuple containing the key_modifier value you pass in and the key belonging to the element the event happened to.
 """
-sg.change_look_and_feel('Dark Blue 3')
+sg.theme('Dark Blue 3')
 
 layout = [  [sg.Text('Move mouse over me', key='-TEXT-')],
             [sg.In(key='-IN-')],

DemoPrograms/Demo_Fill_Form.py

@@ -6,7 +6,7 @@ import PySimpleGUI as sg
 '''
 
 def main():
-    sg.change_look_and_feel('TanBlue')
+    sg.theme('TanBlue')
 
     column1 = [
         [sg.Text('Column 1', background_color=sg.DEFAULT_BACKGROUND_COLOR,

DemoPrograms/Demo_Font_Previewer.py

@@ -12,7 +12,7 @@ root.destroy()
     Showing fonts in PSG / tk
 '''
 
-sg.change_look_and_feel('Black')
+sg.theme('Black')
 
 layout = [[sg.Text('My Text Element',
                 size=(20, 1),

DemoPrograms/Demo_Game_Frontend_Battleship.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+import PySimpleGUI as sg
+from random import randint
+
+def Battleship():
+    sg.theme('Dark Blue 3')
+    MAX_ROWS = MAX_COL = 10
+
+    # Start building layout with the top 2 rows that contain Text elements
+    layout =   [[sg.Text('BATTLESHIP', font='Default 25')],
+               [sg.Text(size=(15,1), key='-MESSAGE-', font='Default 20')]]
+    # Add the board, a grid a buttons
+    layout +=  [[sg.Button(str('O'), size=(4, 2), pad=(0,0), border_width=0, key=(row,col)) for col in range(MAX_COL)] for row in range(MAX_ROWS)]
+    # Add the exit button as the last row
+    layout +=  [[sg.Button('Exit', button_color=('white', 'red'))]]
+
+    window = sg.Window('Battleship', layout)
+
+    while True:         # The Event Loop
+        event, values = window.read()
+        print(event, values)
+        if event in (None, 'Exit'):
+            break
+        if randint(1,10) < 5:           # simulate a hit or a miss
+            window[event].update('H', button_color=('white','red'))
+            window['-MESSAGE-'].update('Hit')
+        else:
+            window[event].update('M', button_color=('white','black'))
+            window['-MESSAGE-'].update('Miss')
+    window.close()
+
+Battleship()

DemoPrograms/Demo_Game_Frontend_Battleship_No_List_Comprehensions.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+import PySimpleGUI as sg
+from random import randint
+
+def Battleship():
+    sg.theme('Dark Blue 3')
+    MAX_ROWS = MAX_COL = 10
+
+    # Start building layout with the top 2 rows that contain Text elements
+    layout =   [[sg.Text('BATTLESHIP', font='Default 25')],
+                [sg.Text(size=(15,1), key='-MESSAGE-', font='Default 20')]]
+
+    # Build the "board", a grid of Buttons
+    board = []
+    for row in range(MAX_ROWS):
+        layout_row = []
+        for col in range(MAX_COL):
+            layout_row.append(sg.Button(str('O'), size=(4, 2), pad=(0,0), border_width=0, key=(row,col)))
+        board.append(layout_row)
+
+    # Add the board to the layout
+    layout += board
+    # Add the exit button as the last row
+    layout += [[sg.Button('Exit', button_color=('white', 'red'))]]
+
+    window = sg.Window('Battleship', layout)
+
+    while True:         # The Event Loop
+        event, values = window.read()
+        print(event, values)
+        if event in (None, 'Exit'):
+            break
+        if randint(1,10) < 5:           # simulate a hit or a miss
+            window[event].update('H', button_color=('white','red'))
+            window['-MESSAGE-'].update('Hit')
+        else:
+            window[event].update('M', button_color=('white','black'))
+            window['-MESSAGE-'].update('Miss')
+    window.close()
+
+Battleship()

DemoPrograms/Demo_Game_Frontend_Battleship_Single_List_Comprehension.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+import PySimpleGUI as sg
+from random import randint
+
+def Battleship():
+    sg.theme('Dark Blue 3')
+    MAX_ROWS = MAX_COL = 10
+    # Start building layout with the top 2 rows that contain Text elements
+    layout =   [[sg.Text('BATTLESHIP', font='Default 25')],
+               [sg.Text(size=(15,1), key='-MESSAGE-', font='Default 20')]]
+    # Build the "board", a grid of Buttons
+    board = []
+    for row in range(MAX_ROWS):
+        board.append([sg.Button(str('O'), size=(4, 2), pad=(0,0), border_width=0, key=(row,col)) for col in range(MAX_COL)])
+    # Add the board and the exit button to the layout
+    layout +=  board
+    # Add the exit button as the last row
+    layout +=  [[sg.Button('Exit', button_color=('white', 'red'))]]
+
+    window = sg.Window('Battleship', layout)
+
+    while True:         # The Event Loop
+        event, values = window.read()
+        print(event, values)
+        if event in (None, 'Exit'):
+            break
+        if randint(1,10) < 5:           # simulate a hit or a miss
+            window[event].update('H', button_color=('white','red'))
+            window['-MESSAGE-'].update('Hit')
+        else:
+            window[event].update('M', button_color=('white','black'))
+            window['-MESSAGE-'].update('Miss')
+    window.close()
+
+Battleship()

DemoPrograms/Demo_Graph_Drag_Rectangle.py

@@ -8,24 +8,25 @@ import PySimpleGUI as sg
     see in things like editors
 """
 
-
 # image_file = r'Color-names.png'
-image_file = None       # image is optional
+# image_file = None  # image is optional
+image_file = r'C:\Python\PycharmProjects\GooeyGUI\logo200.png'  # image is optional
 
 layout = [[sg.Graph(
-            canvas_size=(400, 400),
+    canvas_size=(400, 400),
-            graph_bottom_left=(0, 400),
+    graph_bottom_left=(0, 0),
-            graph_top_right=(400, 0),
+    graph_top_right=(400, 400),
-            key="-GRAPH-",
+    key="-GRAPH-",
-            change_submits=True,  # mouse click events
+    change_submits=True,  # mouse click events
-            drag_submits=True),],
+    background_color='lightblue',
-            [sg.Text(key='info', size=(60, 1))]]
+    drag_submits=True), ],
+    [sg.Text(key='info', size=(60, 1))]]
 
 window = sg.Window("draw rect on image", layout, finalize=True)
 # get the graph element for ease of use later
-graph = window["-GRAPH-"]     # type: sg.Graph
+graph = window["-GRAPH-"]  # type: sg.Graph
 
-graph.draw_image(image_file, location=(0,0)) if image_file else None
+graph.draw_image(image_file, location=(0,400)) if image_file else None
 dragging = False
 start_point = end_point = prior_rect = None
 
@@ -34,8 +35,8 @@ while True:
 
     if event is None:
         break  # exit
-    
+
-    if event == "-GRAPH-":                      # if there's a "Graph" event, then it's a mouse
+    if event == "-GRAPH-":  # if there's a "Graph" event, then it's a mouse
         x, y = values["-GRAPH-"]
         if not dragging:
             start_point = (x, y)
@@ -46,12 +47,12 @@ while True:
             graph.delete_figure(prior_rect)
         if None not in (start_point, end_point):
             prior_rect = graph.draw_rectangle(start_point, end_point, line_color='red')
-    
+
-    elif event.endswith('+UP'):                 # The drawing has ended because mouse up
+    elif event.endswith('+UP'):  # The drawing has ended because mouse up
         info = window["info"]
         info.update(value=f"grabbed rectangle from {start_point} to {end_point}")
-        start_point, end_point = None, None     # enable grabbing a new rect
+        start_point, end_point = None, None  # enable grabbing a new rect
         dragging = False
-    
+
     else:
         print("unhandled event", event, values)

DemoPrograms/Demo_Graph_Drawing.py

@@ -3,7 +3,7 @@ import PySimpleGUI as sg
 
 # Usage of Graph element.
 
-layout = [[sg.Graph(canvas_size=(400, 400), graph_bottom_left=(0, 0), graph_top_right=(400, 400), background_color='red', key='graph')],
+layout = [[sg.Graph(canvas_size=(400, 400), graph_bottom_left=(0, 0), graph_top_right=(400, 400), background_color='red', enable_events=True, key='graph')],
           [sg.Text('Change circle color to:'), sg.Button('Red'), sg.Button('Blue'), sg.Button('Move')]]
 
 window = sg.Window('Graph test', layout, finalize=True)
@@ -17,6 +17,7 @@ line = graph.draw_line((0, 0), (100, 100))
 arc = graph.draw_arc((0, 0), (400, 400), 160, 10, style='arc', arc_color='blue')
 while True:
     event, values = window.read()
+    print(event, values)
     if event is None:
         break
     if event in ('Blue', 'Red'):

DemoPrograms/Demo_Graph_Element.py

@@ -27,7 +27,7 @@ def main():
     thread = Thread(target=ping_thread, args=(None,))
     thread.start()
 
-    sg.change_look_and_feel('Black')
+    sg.theme('Black')
     sg.set_options(element_padding=(0, 0))
 
     layout = [

DemoPrograms/Demo_Graph_Element_Sine_Wave.py

@@ -23,6 +23,7 @@ def draw_axis():
         if y != 0:
             graph.draw_text(str(y), (-10, y), color='blue')
 
+sg.theme('DarkAmber')
 
 # Create the graph that will be put into the window
 graph = sg.Graph(canvas_size=(400, 400),

DemoPrograms/Demo_Graph_Noise.py

@@ -7,7 +7,7 @@ import sys
     Example of random line in Graph element.
 '''
 
-sg.change_look_and_feel('black')
+sg.theme('black')
 
 STEP_SIZE = 1
 SAMPLES = 300
@@ -32,7 +32,7 @@ def main():
 
     # start ping measurement thread
 
-    sg.change_look_and_feel('Black')
+    sg.theme('Black')
     sg.set_options(element_padding=(0, 0))
 
     layout = [[sg.Button('Quit', button_color=('white', 'black'))],
@@ -75,7 +75,6 @@ def main():
                 graph.move_figure(figure, -STEP_SIZE, 0)
             prev_x = prev_x - STEP_SIZE
 
-        # print(f'io={i} {prev_x,prev_y} to {new_x, new_y}')
         last_figure = graph.draw_line((prev_x, prev_y), (new_x, new_y), color='white')
         figures.append(last_figure)
         prev_x, prev_y = new_x, new_y

DemoPrograms/Demo_Graph__Element.py

@@ -27,7 +27,7 @@ def main():
     thread = Thread(target=ping_thread, args=(None,))
     thread.start()
 
-    sg.change_look_and_feel('Black')
+    sg.theme('Black')
     sg.set_options(element_padding=(0, 0))
 
     layout = [[sg.Text('Ping times to Google.com', font='Any 12'),

DemoPrograms/Demo_HowDoI.py

@@ -21,7 +21,7 @@ def HowDoI():
     '''
     # -------  Make a new Window  ------- #
     # give our form a spiffy set of colors
-    sg.change_look_and_feel('GreenTan')
+    sg.theme('GreenTan')
 
     layout = [
         [sg.Text('Ask and your answer will appear here....', size=(40, 1))],

DemoPrograms/Demo_IP_Address_Entry.py

@@ -0,0 +1,52 @@
+import PySimpleGUI as sg
+
+'''
+    IP Address entry window with digit validation and auto advance
+    If not a digit or ., the ignored
+    . will advance the focus to the next entry
+    On the last input, once it's complete the focus moves to the OK button
+    Pressing spacebar with focus on OK generates an -OK- event
+'''
+
+# create a short-cut element so don't have to type this in over and over
+
+
+def MyInput(key): return sg.I('', size=(3, 1), key=key, pad=(0, 2))
+
+
+layout = [[sg.T('Your typed chars appear here:'), sg.T('', key='-OUTPUT-')],
+          [MyInput(0), sg.T('.'), MyInput(1), sg.T('.'),
+           MyInput(2), sg.T('.'), MyInput(3)],
+          [sg.B('Ok', key='-OK-', bind_return_key=True), sg.B('Exit')]]
+
+window = sg.Window('Window Title', layout, return_keyboard_events=True)
+
+while True:             # Event Loop
+    event, values = window.read()
+    print(event)
+    if event is None or event == 'Exit':
+        break
+    elem = window.find_element_with_focus()
+
+    if elem is not None:
+        key = elem.Key
+        # get value of input field that has focus
+        value = values[key]
+        if event == '.' and key != '-OK-':                    # if a ., then advance to next field
+            elem.update(value[:-1])
+            value = value[:-1]
+            next_elem = window[key+1]
+            next_elem.set_focus()
+
+        elif event not in '0123456789':
+            elem.update(value[:-1])
+
+        elif len(value) > 2 and key < 3:     # if 2 digits typed in, move on to next input
+            next_elem = window[key+1]
+            next_elem.set_focus()
+
+        elif len(value) > 2 and key == 3:
+            window['-OK-'].set_focus()
+            print('You entered IP Address {}.{}.{}.{}'.format(*values.values()))
+
+window.close()

DemoPrograms/Demo_MIDI_Player.py

@@ -10,6 +10,8 @@ PLAYER_COMMAND_PAUSE = 2
 PLAYER_COMMAND_NEXT = 3
 PLAYER_COMMAND_RESTART_SONG = 4
 
+helv15 = 'Helvetica 15'
+
 # ---------------------------------------------------------------------- #
 #    PlayerGUI             CLASS                                         #
 # ---------------------------------------------------------------------- #

DemoPrograms/Demo_Matplotlib_Browser.py

@@ -846,7 +846,7 @@ fig_dict = {'Pyplot Simple':PyplotSimple, 'Pyplot Formatstr':PyplotFormatstr,'Py
             'Pyplot Scatter With Legend' :PyplotScatterWithLegend, 'Artist Customized Box Plots' : PyplotArtistBoxPlots,
             'Artist Customized Box Plots 2' : ArtistBoxplot2, 'Pyplot Histogram' : PyplotHistogram}
 
-sg.change_look_and_feel('LightGreen')
+sg.theme('LightGreen')
 
 figure_w, figure_h = 650, 650
 # define the form layout

DemoPrograms/Demo_Matplotlib_Browser_Paned.py

@@ -865,7 +865,7 @@ fig_dict = {'Pyplot Simple': PyplotSimple, 'Pyplot Formatstr': PyplotFormatstr,
             'Artist Customized Box Plots 2': ArtistBoxplot2, 'Pyplot Histogram': PyplotHistogram}
 
 
-sg.change_look_and_feel('LightGreen')
+sg.theme('LightGreen')
 figure_w, figure_h = 650, 650
 # define the form layout
 listbox_values = list(fig_dict)

DemoPrograms/Demo_Matplotlib_Two_Windows.py

@@ -1,4 +1,6 @@
+from matplotlib import use
 import PySimpleGUI as sg
+# import PySimpleGUIQt as sg; use('qt5agg')
 import matplotlib.pyplot as plt
 
 """
@@ -8,8 +10,12 @@ import matplotlib.pyplot as plt
     It turns out to be a rather simple thing to do.  The secret is to add parameter block=False to plt.show()
 """
 
+def draw_plot():
+    plt.plot([0.1, 0.2, 0.5, 0.7])
+    plt.show(block=False)
 
 layout = [[sg.Button('Plot'), sg.Cancel(), sg.Button('Popup')]]
+
 window = sg.Window('Have some Matplotlib....', layout)
 
 while True:
@@ -17,9 +23,7 @@ while True:
     if event in (None, 'Cancel'):
         break
     elif event == 'Plot':
-        history = [0.1, 0.2, 0.5, 0.7]
+        draw_plot()
-        plt.plot(history)
-        plt.show(block=False)
     elif event == 'Popup':
         sg.popup('Yes, your application is still running')
 window.close()

DemoPrograms/Demo_Media_Player_VLC_Based.py

@@ -13,10 +13,10 @@ from sys import platform as PLATFORM
 
 #------- GUI definition & setup --------#
 
-sg.change_look_and_feel('DarkBlue')
+sg.theme('DarkBlue')
 
 def btn(name):  # a PySimpleGUI "User Defined Element" (see docs)
-    return sg. Button(name, size=(6, 1), pad=(1, 1))
+    return sg.Button(name, size=(6, 1), pad=(1, 1))
 
 layout = [[sg.Input(default_text='Video URL or Local Path:', size=(30, 1), key='-VIDEO_LOCATION-'), sg.Button('load')],
           [sg.Image('', size=(300, 170), key='-VID_OUT-')],

DemoPrograms/Demo_Menus.py

@@ -20,40 +20,43 @@ def second_window():
 
 def test_menus():
 
-    sg.change_look_and_feel('LightGreen')
+    sg.theme('LightGreen')
     sg.set_options(element_padding=(0, 0))
 
     # ------ Menu Definition ------ #
-    menu_def = [['&File', ['&Open', '&Save', '&Properties', 'E&xit']],
+    menu_def = [['&File', ['&Open     Ctrl-O', '&Save       Ctrl-S', '&Properties', 'E&xit']],
                 ['&Edit', ['&Paste', ['Special', 'Normal', ], 'Undo'], ],
                 ['&Toolbar', ['---', 'Command &1', 'Command &2',
                               '---', 'Command &3', 'Command &4']],
                 ['&Help', '&About...'], ]
 
+    right_click_menu = ['Unused', ['Right', '!&Click', '&Menu', 'E&xit', 'Properties']]
+
     # ------ GUI Defintion ------ #
     layout = [
-        [sg.Menu(menu_def, tearoff=False, pad=(20, 1))],
+        [sg.Menu(menu_def, tearoff=False, pad=(200, 1))],
+        [sg.Text('Right click me for a right click menu example')],
         [sg.Output(size=(60, 20))],
+        [sg.ButtonMenu('ButtonMenu',  right_click_menu, key='-BMENU-'), sg.Button('Plain Button')],
     ]
 
     window = sg.Window("Windows-like program",
                        layout,
                        default_element_size=(12, 1),
-                       auto_size_text=False,
+                       default_button_element_size=(12, 1),
-                       auto_size_buttons=False,
+                       right_click_menu=right_click_menu)
-                       default_button_element_size=(12, 1))
 
     # ------ Loop & Process button menu choices ------ #
     while True:
         event, values = window.read()
         if event in (None, 'Exit'):
-            return
+            break
-        print('Event = ', event)
+        print(event, values)
         # ------ Process menu choices ------ #
         if event == 'About...':
             window.disappear()
             sg.popup('About this program', 'Version 1.0',
-                     'PySimpleGUI rocks...', grab_anywhere=True)
+                     'PySimpleGUI Version', sg.version,  grab_anywhere=True)
             window.reappear()
         elif event == 'Open':
             filename = sg.popup_get_file('file to open', no_window=True)

DemoPrograms/Demo_Multiline_Multicolored_Text.py

@@ -5,13 +5,13 @@ import PySimpleGUI as sg
     Demonstration of how to work with multiple colors when outputting text to a multiline element
 """
 
-sg.change_look_and_feel('Dark Blue 3')
+sg.theme('Dark Blue 3')
 
 MLINE_KEY = '-MLINE-'+sg.WRITE_ONLY_KEY
 layout = [  [sg.Text('Demonstration of Multiline Element\'s ability to show multiple colors ')],
             [sg.Multiline(size=(60,20), key=MLINE_KEY)],
-            [sg.B('Plain'), sg.Button('Text Blue Line'), sg.Button('Text Green Line'),sg.Button('Background Blue Line'),sg.Button('Background Green Line'), sg.B('White on Green')
+            [sg.B('Plain'), sg.Button('Text Blue Line'), sg.Button('Text Green Line')],
-             ]  ]
+            [sg.Button('Background Blue Line'),sg.Button('Background Green Line'), sg.B('White on Green')]  ]
 
 window = sg.Window('Demonstration of Multicolored Multline Text', layout)
 

DemoPrograms/Demo_Multithreaded_Long_Task_Simple.py

@@ -50,7 +50,7 @@ def the_gui():
     """
     global thread_done, message, progress
 
-    sg.change_look_and_feel('Light Brown 3')
+    sg.theme('Light Brown 3')
 
     layout = [[sg.Text('Long task to perform example')],
               [sg.Output(size=(80, 12))],

DemoPrograms/Demo_Multithreaded_Long_Tasks.py

@@ -43,7 +43,7 @@ def the_gui():
     Reads data from a Queue and displays the data to the window
     Returns when the user exits / closes the window
     """
-
+    sg.theme('Light Brown 3')
     gui_queue = queue.Queue()  # queue used to communicate between the gui and the threads
 
     layout = [[sg.Text('Long task to perform example')],

DemoPrograms/Demo_Multithreaded_Multiple_Threads.py

@@ -54,7 +54,7 @@ def long_function_wrapper(work_id, gui_queue):
 
 ############################# Begin GUI code #############################
 def the_gui():
-    sg.change_look_and_feel('Light Brown 3')
+    sg.theme('Light Brown 3')
 
     # queue used to communicate between the gui and long-running code
     gui_queue = queue.Queue()

DemoPrograms/Demo_Nice_Buttons.py

@@ -26,7 +26,7 @@ def ShowMeTheButtons():
     bcolor = ('black', 'black')
     wcolor = ('white', 'black')
 
-    sg.change_look_and_feel('Black')
+    sg.theme('Black')
     sg.set_options(auto_size_buttons=True, border_width=0,
                    button_color=sg.COLOR_SYSTEM_DEFAULT)
 

DemoPrograms/Demo_Notification_Window_Alpha_Channel.py

@@ -9,7 +9,7 @@ import time
 # Free online encoder - https://www.base64-image.de/
 red_x = "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"
 
-sg.change_look_and_feel('Topanga')
+sg.theme('Topanga')
 sg.set_options(border_width=0, margins=(0, 0))
 
 layout = [[sg.Text('Notification'+' '*14),

DemoPrograms/Demo_OpenCV.py

@@ -24,7 +24,7 @@ def main():
     num_frames = vidFile.get(cv.CAP_PROP_FRAME_COUNT)
     fps = vidFile.get(cv.CAP_PROP_FPS)
 
-    sg.change_look_and_feel('Black')
+    sg.theme('Black')
 
     # ---===--- define the window layout --- #
     layout = [[sg.Text('OpenCV Demo', size=(15, 1), font='Helvetica 20')],

DemoPrograms/Demo_OpenCV_4_Line_Program.py

@@ -1,4 +1,4 @@
-import cv2, PySimpleGUI as sg
+import cv2, PySimpleGUIWeb as sg
 window, cap = sg.Window('Demo Application - OpenCV Integration', [[sg.Image(filename='', key='image')], ], location=(800, 400)), cv2.VideoCapture(0)
 while window(timeout=20)[0] is not None:
     window['image'](data=cv2.imencode('.png', cap.read()[1])[1].tobytes())

DemoPrograms/Demo_OpenCV_7_Line_Program.py

@@ -1,13 +1,14 @@
 import cv2, PySimpleGUI as sg
-window = sg.Window('Demo Application - OpenCV Integration', [[sg.Image(filename='', key='image')],], location=(800,400))
+
-cap = cv2.VideoCapture(0)       # Setup the camera as a capture device
+window = sg.Window('Demo Application - OpenCV Integration', [[sg.Image(filename='', key='image')], ], location=(800, 400))
-while True:                     # The PSG "Event Loop"
+cap = cv2.VideoCapture(0)  # Setup the camera as a capture device
-    event, values = window.read(timeout=20, timeout_key='timeout')      # get events for the window with 20ms max wait
+while True:  # The PSG "Event Loop"
-    if event is None:  break                                            # if user closed window, quit
+    event, values = window.read(timeout=20, timeout_key='timeout')  # get events for the window with 20ms max wait
-    window['image'].update(data=cv2.imencode('.png', cap.read()[1])[1].tobytes()) # Update image in window
+    if event is None:  break  # if user closed window, quit
+    window['image'].update(data=cv2.imencode('.png', cap.read()[1])[1].tobytes())  # Update image in window
 
 """
 Putting the comment at the bottom so that you can see that the code is indeed 7 lines long.  And, there is nothing
 done out of the ordinary to make it 7 lines long.  There are no ; for example.  OK, so the if statement is on one line
 but that's the only place that you would traditionally see one more line.  So, call it 8 if you want.
-"""
+"""

DemoPrograms/Demo_OpenCV_Simple_GUI.py

@@ -18,7 +18,7 @@ enhance:    applies local contrast enhancement on the luma channel to make the i
 
 
 def main():
-    sg.change_look_and_feel('LightGreen')
+    sg.theme('LightGreen')
 
     # define the window layout
     layout = [

DemoPrograms/Demo_OpenCV_Webcam.py

@@ -10,7 +10,7 @@ Demo program that displays a webcam using OpenCV
 
 def main():
 
-    sg.change_look_and_feel('Black')
+    sg.theme('Black')
 
     # define the window layout
     layout = [[sg.Text('OpenCV Demo', size=(40, 1), justification='center', font='Helvetica 20')],

DemoPrograms/Demo_OpenCV_Webcam_ASCII.py

@@ -28,7 +28,7 @@ USING_QT = False
 chars = np.asarray(list(' .,:;irsXA253hMHGS#9B&@'))
 SC, GCF, WCF = .1, 1, 7/4
 
-sg.change_look_and_feel('Black')   # make it look cool
+sg.theme('Black')   # make it look cool
 
 # define the window layout
 # number of lines of text elements. Depends on cameras image size and the variable SC (scaller)

DemoPrograms/Demo_OpenCV_Webcam_Minimal.py

@@ -8,7 +8,7 @@ import cv2
     in PySimpleGUIQt (yet).
 """
 
-sg.change_look_and_feel('Black')
+sg.theme('Black')
 
 # define the window layout
 layout = [[sg.Image(filename='', key='-IMAGE-', tooltip='Right click for exit menu')],]

DemoPrograms/Demo_PDF_Viewer.py

@@ -37,7 +37,7 @@ import fitz
 import PySimpleGUI as sg
 from sys import exit
 
-sg.change_look_and_feel('GreenTan')
+sg.theme('GreenTan')
 
 if len(sys.argv) == 1:
     fname = sg.popup_get_file(

DemoPrograms/Demo_Paned_Window.py

@@ -1,6 +1,6 @@
 import PySimpleGUI as sg
 
-sg.change_look_and_feel('GreenTan')
+sg.theme('GreenTan')
 
 col1 = sg.Col([[sg.Text('in pane1', text_color='blue')],
                [sg.Text('Pane1')],

DemoPrograms/Demo_Password_Login.py

@@ -59,14 +59,15 @@ def main():
     login_password_hash = '6adfb183a4a2c94a2f92dab5ade762a47889a5a1'  # helloworld
     password = sg.popup_get_text(
         'Password: (type gui for other window)', password_char='*')
-    if password and password == 'gui':                # Remove when pasting into your program
+    if password == 'gui':                  # Remove when pasting into your program
-        HashGeneratorGUI()               # Remove when pasting into your program
+        HashGeneratorGUI()                              # Remove when pasting into your program
-        return                         # Remove when pasting into your program
+        return                                          # Remove when pasting into your program
-    if PasswordMatches(password, login_password_hash):
+    if password and PasswordMatches(password, login_password_hash):
         print('Login SUCCESSFUL')
     else:
         print('Login FAILED!!')
 
 
 if __name__ == '__main__':
+    sg.theme('DarkAmber')
     main()

DemoPrograms/Demo_Progress_Meters.py

@@ -2,6 +2,7 @@
 import PySimpleGUI as sg
 from time import sleep
 
+sg.theme('Dark Blue 3')
 
 """
     Demonstration of simple and multiple one_line_progress_meter's as well as the Progress Meter Element

DemoPrograms/Demo_PyGame_Integration.py

@@ -21,7 +21,8 @@ graph = window['-GRAPH-']
 # -------------- Magic code to integrate PyGame with tkinter -------
 embed = graph.TKCanvas
 os.environ['SDL_WINDOWID'] = str(embed.winfo_id())
-os.environ['SDL_VIDEODRIVER'] = 'windib' # change this to 'x11' to make it work on Linux
+# change this to 'x11' to make it work on Linux
+os.environ['SDL_VIDEODRIVER'] = 'windib'
 
 # ----------------------------- PyGame Code -----------------------------
 

DemoPrograms/Demo_Pyplot_Bar_Chart.py

@@ -44,7 +44,7 @@ def draw_figure(canvas, figure, loc=(0, 0)):
     return figure_canvas_agg
 
 # ------------------------------- Beginning of GUI CODE -------------------------------
-sg.change_look_and_feel('Light Brown 3')
+sg.theme('Light Brown 3')
 
 fig = plt.gcf()  # if using Pyplot then get the figure from the plot
 figure_x, figure_y, figure_w, figure_h = fig.bbox.bounds

DemoPrograms/Demo_Pyploy_Bar_Chart2.py

@@ -43,7 +43,7 @@ def draw_figure(canvas, figure, loc=(0, 0)):
 
 # ------------------------------- Beginning of GUI CODE -------------------------------
 
-sg.change_look_and_feel('Light Brown 3')
+sg.theme('Light Brown 3')
 
 fig = plt.gcf()             # if using Pyplot then get the figure from the plot
 figure_x, figure_y, figure_w, figure_h = fig.bbox.bounds

DemoPrograms/Demo_Script_Launcher.py

@@ -41,7 +41,7 @@ def execute_command_nonblocking(command, *args):
 
 
 def Launcher2():
-    sg.change_look_and_feel('GreenTan')
+    sg.theme('GreenTan')
 
     filelist = glob.glob(LOCATION_OF_YOUR_SCRIPTS+'*.py')
     namesonly = []

DemoPrograms/Demo_Script_Launcher_ANSI_Color_Output.py

@@ -123,5 +123,5 @@ def runCommand(cmd, timeout=None, window=None):
     return retval
 
 
-sg.change_look_and_feel('Dark Blue 3')
+sg.theme('Dark Blue 3')
 main()

DemoPrograms/Demo_Script_Launcher_Realtime_Output.py

@@ -8,11 +8,13 @@ import PySimpleGUI as sg
 		be displayed in realtime in the window.
 """
 
+sg.theme('Dark Blue 3')
+
 def main():
-	layout = [  [sg.Text('Enter the command you wish to run')],
+	layout = [
-				[sg.Input(key='-IN-')],
+				[sg.Output(size=(110,30), background_color='black', text_color='white')],
-				[sg.Output(size=(60,15))],
+				[sg.T('Promt> '), sg.Input(key='-IN-', do_not_clear=False)],
-				[sg.Button('Run'), sg.Button('Exit')] ]
+				[sg.Button('Run', bind_return_key=True), sg.Button('Exit')] ]
 
 	window = sg.Window('Realtime Shell Command Output', layout)
 
@@ -27,6 +29,7 @@ def main():
 
 
 def runCommand(cmd, timeout=None, window=None):
+	nop = None
 	""" run shell command
 	@param cmd: command to execute
 	@param timeout: timeout for command execution
@@ -39,7 +42,7 @@ def runCommand(cmd, timeout=None, window=None):
 		line = line.decode(errors='replace' if (sys.version_info) < (3, 5) else 'backslashreplace').rstrip()
 		output += line
 		print(line)
-		window.refresh() if window else None        # yes, a 1-line if, so shoot me
+		window.refresh() if window else nop        # yes, a 1-line if, so shoot me
 
 	retval = p.wait(timeout)
 	return (retval, output)

DemoPrograms/Demo_Script_Parameters.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 import PySimpleGUI as sg
-
+import sys
 '''
 Quickly add a GUI to your script!
 
@@ -13,6 +13,7 @@ The 1-line-GUI shows a form that allows the user to browse to find the filename.
 stores the result in the variable fname, just like the command line parsing did.
 '''
 
+fname = ''
 if len(sys.argv) == 1:
     layout = [
         [sg.Text('Document to open')],
@@ -22,6 +23,7 @@ if len(sys.argv) == 1:
     window = sg.Window('My Script', layout)
     event, values = window.read()
     window.close()
+    fname = values['-FNAME-']
 else:
     fname = sys.argv[1]
 if not fname:

DemoPrograms/Demo_Sort_Visualizer.py

@@ -30,7 +30,7 @@ def draw_bars(graph, items):
 
 
 def main():
-    sg.change_look_and_feel('LightGreen')
+    sg.theme('LightGreen')
     # Make list to sort
     num_bars = DATA_SIZE[0]//(BAR_WIDTH+1)
     list_to_sort = [DATA_SIZE[1]//num_bars*i for i in range(1, num_bars)]

DemoPrograms/Demo_Spinner_Compound_Element.py

@@ -6,7 +6,7 @@ import PySimpleGUI as sg
 """
 
 sg.set_options(element_padding=(0, 0))
-# sg.change_look_and_feel('Dark')
+# sg.theme('Dark')
 # --- Define our "Big-Button-Spinner" compound element. Has 2 buttons and an input field --- #
 NewSpinner = [sg.Button('-', size=(2, 1), font='Any 12'),
               sg.Input('0', size=(2, 1), font='Any 14',

DemoPrograms/Demo_Table_CSV.py

@@ -3,6 +3,7 @@ import PySimpleGUI as sg
 import csv
 
 # Show CSV data in Table
+sg.theme('Dark Red')
 
 def table_example():
     filename = sg.popup_get_file('filename to open', no_window=True, file_types=(("CSV Files","*.csv"),))
@@ -31,7 +32,7 @@ def table_example():
                             max_col_width=25,
                             auto_size_columns=True,
                             justification='right',
-                            alternating_row_color='lightblue',
+                            # alternating_row_color='lightblue',
                             num_rows=min(len(data), 20))]]
 
 

DemoPrograms/Demo_Table_Element.py

@@ -3,40 +3,48 @@ import PySimpleGUI as sg
 import random
 import string
 
-# Yet another example of showing CSV data in Table
+"""
+    Basic use of the Table Element
+"""
 
+sg.theme('Dark Red')
 
+# ------ Some functions to help generate data for the table ------
 def word():
     return ''.join(random.choice(string.ascii_lowercase) for i in range(10))
 def number(max_val=1000):
     return random.randint(0, max_val)
 
-
 def make_table(num_rows, num_cols):
     data = [[j for j in range(num_cols)] for i in range(num_rows)]
-    data[0] = [word() for _ in range(num_cols)]
+    data[0] = [word() for __ in range(num_cols)]
     for i in range(1, num_rows):
         data[i] = [word(), *[number() for i in range(num_cols - 1)]]
     return data
 
-
+# ------ Make the Table Data ------
 data = make_table(num_rows=15, num_cols=6)
-# sg.set_options(element_padding=(0,0))
+headings = [str(data[0][x]) for x in range(len(data[0]))]
-headings = [data[0][x] for x in range(len(data[0]))]
 
-layout = [[sg.Table(values=data[1:][:], headings=headings, max_col_width=25, background_color='lightblue',
+# ------ Window Layout ------
+layout = [[sg.Table(values=data[1:][:], headings=headings, max_col_width=25,
+                    # background_color='light blue',
                     auto_size_columns=True,
                     display_row_numbers=True,
                     justification='right',
                     num_rows=20,
-                    alternating_row_color='blue',
+                    # alternating_row_color='lightyellow',
-                    key='-table-',
+                    key='-TABLE-',
                     tooltip='This is a table')],
-          [sg.Button('Read'), sg.Button('Double'), sg.Button('Update')],
+          [sg.Button('Read'), sg.Button('Double'), sg.Button('Change Colors')],
-          [sg.Text('Read = read which rows are selected')], [sg.Text('Double = double the amount of data in the table')]]
+          [sg.Text('Read = read which rows are selected')],
+          [sg.Text('Double = double the amount of data in the table')],
+          [sg.Text('Change Colors = Changes the colors of rows 8 and 9')]]
 
-window = sg.Window('Table', layout, grab_anywhere=False, resizable=True)
+# ------ Create Window ------
+window = sg.Window('The Table Element', layout)
 
+# ------ Event Loop ------
 while True:
     event, values = window.read()
     print(event, values)
@@ -45,9 +53,8 @@ while True:
     if event == 'Double':
         for i in range(len(data)):
             data.append(data[i])
-        window['-table-'].update(values=data)
+        window['-TABLE-'].update(values=data)
-    elif event == 'Update':
+    elif event == 'Change Colors':
-        window['-table-'].update(row_colors=((8, 'white',
+        window['-TABLE-'].update(row_colors=((8, 'white', 'red'), (9, 'green')))
-                                              'red'), (9, 'black')))
 
 window.close()

DemoPrograms/Demo_Table_Simulation.py

@@ -13,14 +13,12 @@ def TableSimulation():
                 ['Edit', ['Paste', ['Special', 'Normal', ], 'Undo'], ],
                 ['Help', 'About...'], ]
 
-    columm_layout = [[]]
-
     MAX_ROWS = 20
     MAX_COL = 10
-    for i in range(MAX_ROWS):
+
-        inputs = [sg.Text(str(i), size=(4, 1), justification='right')] + [sg.Input(size=(10, 1), pad=(
+    columm_layout =  [[sg.Text(str(i), size=(4, 1), justification='right')] + [sg.Input(size=(10, 1), pad=(
-            1, 1), justification='right', key=(i, j)) for j in range(MAX_COL)]
+            1, 1), justification='right', key=(i, j)) for j in range(MAX_COL)] for i in range(MAX_ROWS)]
-        columm_layout.append(inputs)
+
 
     layout = [[sg.Menu(menu_def)],
               [sg.Text('Table Using Combos and Input Elements', font='Any 18')],

DemoPrograms/Demo_Table_Simulation_Arrow_Keys.py

@@ -7,7 +7,7 @@ import operator
     the arrow keys. The tab key works automatically, but the arrow keys are done in the code below.
 """
 
-sg.change_look_and_feel('Dark Brown 2')  # No excuse for gray windows
+sg.theme('Dark Brown 2')  # No excuse for gray windows
 # Show a "splash" type message so the user doesn't give up waiting
 sg.popup_quick_message('Hang on for a moment, this will take a bit to create....', auto_close=True, non_blocking=True)
 
@@ -63,4 +63,4 @@ while True:  # Event Loop
     # if clicked button to dump the table's values
     if event.startswith('Show Table'):
         table = [[values[(row, col)] for col in range(MAX_COLS)] for row in range(MAX_ROWS)]
-        sg.popup_scrolled('your_table = [ ', ',\n'.join([str(table[i]) for i in range(MAX_ROWS)]) + '  ]', title='Copy your data from here')
+        sg.popup_scrolled('your_table = [ ', ',\n'.join([str(table[i]) for i in range(MAX_ROWS)]) + '  ]', title='Copy your data from here', font='fixedsys', keep_on_top=True)

DemoPrograms/Demo_Tabs.py

@@ -3,10 +3,12 @@ import sys
 import PySimpleGUI as sg
 
 # Usage of Tabs in PSG
+#
+# sg.set_options(background_color='cornsilk4',
+#         element_background_color='cornsilk2',
+#         input_elements_background_color='cornsilk2')
 
-sg.set_options(background_color='cornsilk4',
+sg.theme('Light Green 5')
-        element_background_color='cornsilk2',
-        input_elements_background_color='cornsilk2')
 
 tab1_layout = [[sg.Text('This is inside tab 1', background_color='darkslateblue', text_color='white')],
                [sg.Input(key='-in0-')]]

DemoPrograms/Demo_Tabs_Nested.py

@@ -3,7 +3,7 @@ import PySimpleGUI as sg
 
 # Yet another example of TabGroup element
 
-sg.change_look_and_feel('GreenTan')
+sg.theme('GreenTan')
 tab2_layout = [[sg.Text('This is inside tab 2')],
                [sg.Text('Tabs can be anywhere now!')]]
 

DemoPrograms/Demo_Tabs_Simple.py

@@ -1,40 +1,48 @@
 #!/usr/bin/env python
 import PySimpleGUI as sg
+# Simple example of TabGroup element and the options available to it
 
-# Simple example of TabGroup element
+sg.theme('Dark Red')     # Please always add color to your window
-
-sg.change_look_and_feel('Dark Brown 1')
 
+# The tab 1, 2, 3 layouts - what goes inside the tab
 tab1_layout = [[sg.Text('Tab 1')],
                [sg.Text('Put your layout in here')],
-               [sg.Text('Input something'), sg.Input(size=(12,1), key='-IN0-')]]
+               [sg.Text('Input something'), sg.Input(size=(12,1), key='-IN-TAB1-')]]
 
 tab2_layout = [[sg.Text('Tab 2')]]
 tab3_layout = [[sg.Text('Tab 3')]]
+tab4_layout = [[sg.Text('Tab 3')]]
 
-
+# The TabgGroup layout - it must contain only Tabs
-tab_group_layout = [[sg.Tab('Tab 1', tab1_layout, key='-TAB1-'),
+tab_group_layout = [[sg.Tab('Tab 1', tab1_layout, font='Courier 15', key='-TAB1-'),
                      sg.Tab('Tab 2', tab2_layout, visible=False, key='-TAB2-'),
-                     sg.Tab('Tab 3', tab3_layout, key='-TAB3-')]]
+                     sg.Tab('Tab 3', tab3_layout, key='-TAB3-'),
+                     sg.Tab('Tab 4', tab3_layout, visible=False, key='-TAB4-'),
 
+                     ]]
+
+# The window layout - defines the entire window
 layout = [[sg.TabGroup(tab_group_layout,
-                       selected_title_color='blue',
+                       # selected_title_color='blue',
-                       selected_background_color='red',
+                       # selected_background_color='red',
-                       tab_background_color='green',
+                       # tab_background_color='green',
                        enable_events=True,
+                       # font='Courier 18',
                        key='-TABGROUP-')],
           [sg.Text('Make tab number'), sg.Input(key='-IN-', size=(3,1)), sg.Button('Invisible'), sg.Button('Visible')]]
 
-window = sg.Window('My window with tabs', layout)
+window = sg.Window('My window with tabs', layout, no_titlebar=False)
 
-tab_keys = ('-TAB1-','-TAB2-','-TAB3-')
+tab_keys = ('-TAB1-','-TAB2-','-TAB3-', '-TAB4-')         # map from an input value to a key
 while True:
-    event, values = window.read()               # type: str, dict
+    event, values = window.read()       # type: str, dict
     print(event, values)
     if event is None:
         break
+    # handle button clicks
     if event == 'Invisible':
         window[tab_keys[int(values['-IN-'])-1]].update(visible=False)
     if event == 'Visible':
         window[tab_keys[int(values['-IN-'])-1]].update(visible=True)
+
 window.close()

DemoPrograms/Demo_Theme_Browser.py

@@ -0,0 +1,27 @@
+import PySimpleGUI as sg
+
+"""
+    Allows you to "browse" through the theme settings.  Click on one and you'll see a 
+    Popup window using the color scheme you chose.  It's a simply little program that demonstrates
+    how snappy a GUI can feel if you enable an element's events rather than waiting on a button click.
+    In this program, as soon as a listbox entry is clicked, the read returns.
+"""
+
+sg.theme('Dark Green 5')
+
+layout = [[sg.Text('Look and Feel Browser')],
+          [sg.Text('Click a look and feel color to see demo window')],
+          [sg.Listbox(values=sg.theme_list(),
+                      size=(20, 20), key='-LIST-', enable_events=True)],
+          [sg.Button('Exit')]]
+
+window = sg.Window('Look and Feel Browser', layout)
+
+while True:  # Event Loop
+    event, values = window.read()
+    if event in (None, 'Exit'):
+        break
+    sg.theme(values['-LIST-'][0])
+    sg.popup_get_text('This is {}'.format(values['-LIST-'][0]), default_text=values['-LIST-'][0])
+
+window.close()

DemoPrograms/Demo_Theme_Dump.py

@@ -0,0 +1,42 @@
+import PySimpleGUI as sg
+# import PySimpleGUIWeb as sg
+# import PySimpleGUIQt as sg
+
+"""
+    If you're using the PySimpleGUI color themes, then your code will a line that looks something like this:
+        sg.theme('Light Green 1') or sg.theme('LightGreen1')
+    This demo shows how to access the list of all themes to build your own previewer
+"""
+
+# Use the built-in Theme Viewer to show all of the themes and their names
+# sg.theme_previewer()
+
+# The remainder of the program duplicates the built-in Theme Viewer, allowing you to create your
+# own custom theme viewer window.  You can configure the number of frames per row for example. Or maybe you only
+# want to see the dark themes
+
+window_background = 'black'
+
+def sample_layout():
+    return [[sg.Text('Text element'), sg.InputText('Input data here', size=(15, 1))],
+            [sg.Button('Ok'), sg.Button('Cancel'), sg.Slider((1, 10), orientation='h', size=(10, 15))]]
+
+
+layout = [[sg.Text('List of Dark Themes Provided by PySimpleGUI', font='Default 18', background_color=window_background)]]
+
+FRAMES_PER_ROW = 9
+names = sg.theme_list()
+names = [name for name in names  if 'dark' in name.lower()]
+row = []
+for count, theme in enumerate(names):
+    sg.theme(theme)
+    if not count % FRAMES_PER_ROW:
+        layout += [row]
+        row = []
+    row += [sg.Frame(theme, sample_layout())]
+if row:
+    layout += [row]
+
+window = sg.Window('Custom Preview of Themes', layout, background_color=window_background)
+window.read()
+window.close()

DemoPrograms/Demo_Timer.py

@@ -4,7 +4,7 @@ import time
 # Basic timer in PSG
 
 def Timer():
-    sg.change_look_and_feel('Dark')
+    sg.theme('Dark')
     sg.set_options(element_padding=(0, 0))
     form_rows = [[sg.Text(size=(8, 2), font=('Helvetica', 20),
                        justification='center', key='text')],

DemoPrograms/Demo_Unicode_Characters.py

@@ -9,7 +9,7 @@ from random import randint as randint
     They're good for a quick status display / dashboard, for use on buttons (arrows), or as "simple clipart" to name a few uses
 """
 
-sg.change_look_and_feel('Light Brown 4')
+sg.theme('Light Brown 4')
 
 SQUARE = '█'
 CIRCLE = '⚫'
@@ -31,7 +31,7 @@ layout = [  [sg.Text('Unicode Characters Demo', font='Def 16')],
                     [sg.T('Enter a Char'), sg.In(size=(2,1), key='-CHAR-', font='Any 18'), sg.T('Unicode number: '), sg.T(size=(6,1), key='-OUT NUM-')]])],
             [sg.Frame('Display Unicode Characters In Range',
                       [[sg.T('Starting Number'), sg.In(size=(6, 1), key='-START-'), sg.T('Ending Number char: '), sg.I(size=(6, 1),  key='-END-')],
-                       [sg.B('Display Chars'), sg.T('Display Font Size'),  sg.Spin(list(range(10,25)), initial_value=18, font='Any 14', key='-FONTSIZE-')],
+                       [sg.B('Display Chars', bind_return_key=True), sg.T('Display Font Size'),  sg.Spin(list(range(10,25)), initial_value=18, font='Any 14', key='-FONTSIZE-')],
                       ])],
             [sg.Multiline(size=(30,10), font='Any 18',key='-MLINE-'+sg.WRITE_ONLY_KEY)],
             [sg.B(UP), sg.B(DOWN), sg.B(LEFT), sg.B(RIGHT), sg.B('Exit')]  ]
@@ -63,7 +63,7 @@ while True:
     elif event.startswith('Display'):               # process the dump range section
         try:
             for c in range(int(values['-START-']), int(values['-END-'])):
-                window['-MLINE-'+sg.WRITE_ONLY_KEY](chr(c), append=True)
+                window['-MLINE-'+sg.WRITE_ONLY_KEY](chr(c), append=True, text_color_for_value='red')
                 window.refresh()
                 sg.popup_animated(sg.DEFAULT_BASE64_LOADING_GIF, 'Writing chars to display', text_color='red', font='Any 20', time_between_frames=100)
         except: pass

DemoPrograms/Demo_Youtube-dl_Frontend.py

@@ -13,7 +13,7 @@ youtube_executable = 'path/to/youtube-dl'
 
 
 def DownloadSubtitlesGUI():
-    sg.change_look_and_feel('Dark')
+    sg.theme('Dark')
 
     combobox = sg.Combo(values=['', ], size=(10, 1), key='lang')
     layout = [

DemoPrograms/Demo_psutil_Kill_Processes.py

@@ -46,7 +46,7 @@ def show_list_by_name(window):
 def main():
 
     # ----------------  Create Form  ----------------
-    # sg.change_look_and_feel('Topanga')
+    # sg.theme('Topanga')
 
     layout = [[sg.Text('Process Killer - Choose one or more processes',
                        size=(45,1), font=('Helvetica', 15), text_color='red')],

DemoPrograms/readme.md

@@ -1,6 +1,5 @@
 # PySimpleGUI Demo Programs
 
-
 ## One Stop Shopping For Templates and Techniques 
 
 This folder of over 170 programs is your jump-start, spring board, boost, shove in the back, cheat sheet to get you to a solution as quickly as possible.  You can think of them as Recipes from a large PySimpleGUI Cookbook.