New PopupNoButtons box, added "key" to all elements, form.FindElement method, Combo.Update can update list of allowed values,

Demo_Cookbook_Browser.py

@@ -385,7 +385,7 @@ def MediaPlayer():
                sg.Text(' '  * 2), sg.SimpleButton('Exit', button_color=(background, background),
                                                  image_filename=image_exit, image_size=(50, 50), image_subsample=2,
                                                  border_width=0)],
-              [sg.Text('_'  * 30)],
+              [sg.Text('_'  * 20)],
               [sg.Text(' '  * 30)],
               [
                   sg.Slider(range=(-10, 10), default_value=0, size=(10, 20), orientation='vertical',
@@ -721,6 +721,9 @@ def TableSimulation():
 
 
 def TightLayout():
+    """
+    Turn off padding in order to get a really tight looking layout.
+    """
     import PySimpleGUI as sg
 
     sg.ChangeLookAndFeel('Dark')
@@ -765,7 +768,6 @@ fig_dict = {'Simple Data Entry':SimpleDataEntry, 'Simple Entry Return Data as Di
 # multiline_elem = sg.Multiline(size=(70,35),pad=(5,(3,90)))
 # define the form layout
 listbox_values = [key for key in fig_dict.keys()]
-multiline_elem = sg.Multiline(size=(70,35), do_not_clear=True)
 
 while True:
     sg.ChangeLookAndFeel('Dark')
@@ -773,7 +775,7 @@ while True:
                    [sg.SimpleButton('Run'), sg.Exit()]]
 
     layout = [[sg.Text('PySimpleGUI Coookbook', font=('current 18'))],
-              [sg.Column(col_listbox, pad=(5,(3,2))), multiline_elem],
+              [sg.Column(col_listbox, pad=(5,(3,2))), sg.Multiline(size=(70,35), do_not_clear=True, key='multi')],
               ]
 
 # create the form and show it without the plot
@@ -792,7 +794,7 @@ while True:
             continue
 
         if button is '':
-            multiline_elem.Update(inspect.getsource(func))
+            form.FindElement('multi').Update(inspect.getsource(func))
             button, values = form.Read()
         elif button is 'Run':
             sg.ChangeLookAndFeel('SystemDefault')

Demo_Font_Sizer.py

@@ -7,11 +7,11 @@ import PySimpleGUI as sg
 form = sg.FlexForm("Font size selector")
 
 fontSize = 12
-sampleText = sg.Text("Aa", size=(2, 1), font="Helvetica " + str(fontSize))
+
-slider = sg.Slider(range=(6,50), orientation='h', size=(10,20), change_submits=True, key='slider')
-spin = sg.Spin([sz for sz in range(4,72)], font=('Helvetica 20'), initial_value=fontSize, change_submits=True, key='spin')
 layout = [
-          [sampleText, spin, slider],
+          [sg.Text("Aa", size=(2, 1), font="Helvetica " + str(fontSize), key='text'),
+           sg.Spin([sz for sz in range(6, 72)], font=('Helvetica 20'), initial_value=fontSize, change_submits=True,
+                   key='spin'), sg.Slider(range=(6,50), orientation='h', size=(10,20), change_submits=True, key='slider')],
           [sg.OK(), sg.Cancel()]
          ]
 
@@ -25,11 +25,10 @@ while True:
     sz_slider = int(values['slider'])
     sz = sz_spin if sz_spin != fontSize else sz_slider
     if sz != fontSize:
-        print(sampleText.Font, sampleText.Size)
         fontSize = sz
         font = "Helvetica " + str(fontSize)
-        sampleText.Update(font=font)
+        form.FindElement('text').Update(font=font)
-        slider.Update(sz)
+        form.FindElement('slider').Update(sz)
-        spin.Update(sz)
+        form.FindElement('spin').Update(sz)
 
 print("Done.")

PySimpleGUI.py

@@ -170,6 +170,7 @@ MSG_BOX_CANCELLED = 2
 MSG_BOX_ERROR = 3
 MSG_BOX_OK_CANCEL = 4
 MSG_BOX_OK = 0
+MSG_BOX_NO_BUTTONS = 5
 
 # ---------------------------------------------------------------------- #
 # Cascading structure.... Objects get larger                             #
@@ -305,7 +306,14 @@ class InputCombo(Element):
 
         super().__init__(ELEM_TYPE_INPUT_COMBO, scale=scale, size=size, auto_size_text=auto_size_text, background_color=bg, text_color=fg, key=key, pad=pad)
 
-    def Update(self, value):
+    def Update(self, value=None, values=None):
+        if values is not None:
+            try:
+                self.TKCombo['values'] = values
+                self.TKCombo.current(0)
+            except: pass
+            self.Values = values
+
         for index, v in enumerate(self.Values):
             if v == value:
                 try:
@@ -590,7 +598,7 @@ class Multiline(Element):
 #                                       Text                             #
 # ---------------------------------------------------------------------- #
 class Text(Element):
-    def __init__(self, text, scale=(None, None), size=(None, None), auto_size_text=None, font=None, text_color=None, background_color=None,justification=None, pad=None):
+    def __init__(self, text, scale=(None, None), size=(None, None), auto_size_text=None, font=None, text_color=None, background_color=None,justification=None, pad=None, key=None):
         '''
         Text Element - Displays text in your form.  Can be updated in non-blocking forms
         :param text: The text to display
@@ -609,7 +617,7 @@ class Text(Element):
             bg = DEFAULT_TEXT_ELEMENT_BACKGROUND_COLOR
         else:
             bg = background_color
-        super().__init__(ELEM_TYPE_TEXT, scale, size, auto_size_text, background_color=bg, font=font if font else DEFAULT_FONT, text_color=self.TextColor, pad=pad)
+        super().__init__(ELEM_TYPE_TEXT, scale, size, auto_size_text, background_color=bg, font=font if font else DEFAULT_FONT, text_color=self.TextColor, pad=pad, key=key)
         return
 
     def Update(self, new_value = None, background_color=None, text_color=None, font=None):
@@ -756,7 +764,7 @@ class Output(Element):
 #                           Button Class                                 #
 # ---------------------------------------------------------------------- #
 class Button(Element):
-    def __init__(self, button_type=BUTTON_TYPE_CLOSES_WIN, target=(None, None), button_text='', file_types=(("ALL Files", "*.*"),), image_filename=None, image_size=(None, None), image_subsample=None, border_width=None, scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, focus=False, pad=None):
+    def __init__(self, button_type=BUTTON_TYPE_CLOSES_WIN, target=(None, None), button_text='', file_types=(("ALL Files", "*.*"),), image_filename=None, image_size=(None, None), image_subsample=None, border_width=None, scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, focus=False, pad=None, key=None):
         '''
         Button Element - Specifies all types of buttons
         :param button_type:
@@ -787,7 +795,7 @@ class Button(Element):
         self.BorderWidth = border_width if border_width is not None else DEFAULT_BORDER_WIDTH
         self.BindReturnKey = bind_return_key
         self.Focus = focus
-        super().__init__(ELEM_TYPE_BUTTON, scale=scale, size=size, font=font, pad=pad)
+        super().__init__(ELEM_TYPE_BUTTON, scale=scale, size=size, font=font, pad=pad, key=key)
         return
 
     def ButtonReleaseCallBack(self, parm):
@@ -934,7 +942,7 @@ class ProgressBar(Element):
 #                           Image                                        #
 # ---------------------------------------------------------------------- #
 class Image(Element):
-    def __init__(self, filename=None, data=None,scale=(None, None), size=(None, None), pad=None):
+    def __init__(self, filename=None, data=None,scale=(None, None), size=(None, None), pad=None, key=None):
         '''
         Image Element
         :param filename:
@@ -947,7 +955,7 @@ class Image(Element):
 
         if data is None and filename is None:
             print('* Warning... no image specified in Image Element! *')
-        super().__init__(ELEM_TYPE_IMAGE, scale=scale, size=size, pad=pad)
+        super().__init__(ELEM_TYPE_IMAGE, scale=scale, size=size, pad=pad, key=key)
         return
 
     def Update(self, filename=None, data=None):
@@ -971,11 +979,11 @@ class Image(Element):
 #                           Canvas                                       #
 # ---------------------------------------------------------------------- #
 class Canvas(Element):
-    def __init__(self, canvas=None, background_color=None, scale=(None, None), size=(None, None), pad=None):
+    def __init__(self, canvas=None, background_color=None, scale=(None, None), size=(None, None), pad=None, key=None):
         self.BackgroundColor = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR
         self.TKCanvas = canvas
 
-        super().__init__(ELEM_TYPE_CANVAS, background_color=background_color, scale=scale, size=size, pad=pad)
+        super().__init__(ELEM_TYPE_CANVAS, background_color=background_color, scale=scale, size=size, pad=pad, key=key)
         return
 
     def __del__(self):
@@ -986,11 +994,11 @@ class Canvas(Element):
 #                           Frame                                        #
 # ---------------------------------------------------------------------- #
 class Frame(Element):
-    def __init__(self, frame=None, background_color=None, scale=(None, None), size=(None, None), pad=None):
+    def __init__(self, frame=None, background_color=None, scale=(None, None), size=(None, None), pad=None, key=None):
         self.BackgroundColor = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR
         self.TKFrame = frame
 
-        super().__init__(ELEM_TYPE_FRAME, background_color=background_color, scale=scale, size=size, pad=pad)
+        super().__init__(ELEM_TYPE_FRAME, background_color=background_color, scale=scale, size=size, pad=pad, key=key)
         return
 
     def __del__(self):
@@ -1348,6 +1356,10 @@ class FlexForm:
     def Fill(self, values_dict):
         FillFormWithValues(self, values_dict)
 
+    def FindElement(self, key):
+        return _FindElementFromKeyInSubForm(self, key)
+
+
     def GetScreenDimensions(self):
         if self.TKrootDestroyed:
             return None, None
@@ -1559,20 +1571,20 @@ def No(button_text='No', scale=(None, None), size=(None, None), auto_size_button
 
 # -------------------------  GENERIC BUTTON Element lazy function  ------------------------- #
 # this is the only button that REQUIRES button text field
-def SimpleButton(button_text, image_filename=None, image_size=(None, None), image_subsample=None, border_width=None, scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, focus=False, pad=None):
+def SimpleButton(button_text, image_filename=None, image_size=(None, None), image_subsample=None, border_width=None, scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, focus=False, pad=None, key=None):
-    return Button(BUTTON_TYPE_CLOSES_WIN, image_filename=image_filename, image_size=image_size, image_subsample=image_subsample, button_text=button_text, border_width=border_width, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font, bind_return_key=bind_return_key, focus=focus, pad=pad)
+    return Button(BUTTON_TYPE_CLOSES_WIN, image_filename=image_filename, image_size=image_size, image_subsample=image_subsample, button_text=button_text, border_width=border_width, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font, bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)
 # -------------------------  GENERIC BUTTON Element lazy function  ------------------------- #
 # this is the only button that REQUIRES button text field
-def ReadFormButton(button_text, image_filename=None, image_size=(None, None),image_subsample=None,border_width=None,scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, focus=False, pad=None):
+def ReadFormButton(button_text, image_filename=None, image_size=(None, None),image_subsample=None,border_width=None,scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, focus=False, pad=None, key=None):
-    return Button(BUTTON_TYPE_READ_FORM, image_filename=image_filename, image_size=image_size, image_subsample=image_subsample, border_width=border_width, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font, bind_return_key=bind_return_key, focus=focus, pad=pad)
+    return Button(BUTTON_TYPE_READ_FORM, image_filename=image_filename, image_size=image_size, image_subsample=image_subsample, border_width=border_width, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font, bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)
 
-def RealtimeButton(button_text, image_filename=None, image_size=(None, None),image_subsample=None,border_width=None,scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, focus=False, pad=None):
+def RealtimeButton(button_text, image_filename=None, image_size=(None, None),image_subsample=None,border_width=None,scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, focus=False, pad=None, key=None):
-    return Button(BUTTON_TYPE_REALTIME, image_filename=image_filename, image_size=image_size, image_subsample=image_subsample, border_width=border_width, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font, bind_return_key=bind_return_key, focus=focus, pad=pad)
+    return Button(BUTTON_TYPE_REALTIME, image_filename=image_filename, image_size=image_size, image_subsample=image_subsample, border_width=border_width, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font, bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)
 
 # -------------------------  GENERIC BUTTON Element lazy function  ------------------------- #
 # this is the only button that REQUIRES button text field
-def DummyButton(button_text, image_filename=None, image_size=(None, None),image_subsample=None,border_width=None,scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, focus=False, pad=None):
+def DummyButton(button_text, image_filename=None, image_size=(None, None),image_subsample=None,border_width=None,scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None, bind_return_key=False, focus=False, pad=None, key=None):
-    return Button(BUTTON_TYPE_CLOSES_WIN_ONLY, image_filename=image_filename, image_size=image_size, image_subsample=image_subsample, border_width=border_width, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font, bind_return_key=bind_return_key, focus=focus, pad=pad)
+    return Button(BUTTON_TYPE_CLOSES_WIN_ONLY, image_filename=image_filename, image_size=image_size, image_subsample=image_subsample, border_width=border_width, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font, bind_return_key=bind_return_key, focus=focus, pad=pad, key=key)
 
 #####################################  -----  RESULTS   ------ ##################################################
 
@@ -1745,6 +1757,18 @@ def FillSubformWithValues(form, values_dict):
             elif element.Type == ELEM_TYPE_INPUT_SPIN:
                 element.Update(value)
 
+
+def _FindElementFromKeyInSubForm(form, key):
+    for row_num, row in enumerate(form.Rows):
+        for col_num, element in enumerate(row):
+            if element.Type == ELEM_TYPE_COLUMN:
+                matching_elem = _FindElementFromKeyInSubForm(element, key)
+                if matching_elem is not None:
+                    return matching_elem
+            if element.Key == key:
+                return element
+
+
 # ------------------------------------------------------------------------------------------------------------------ #
 # =====================================   TK CODE STARTS HERE ====================================================== #
 # ------------------------------------------------------------------------------------------------------------------ #
@@ -2395,6 +2419,8 @@ def Popup(*args, button_color=None, button_type=MSG_BOX_OK, auto_close=False, au
         elif button_type is MSG_BOX_OK_CANCEL:
             form.AddRow(Text('', size=(pad, 1), auto_size_text=False), PopupButton('OK', size=(5, 1), button_color=button_color, focus=True, bind_return_key=True),
                         PopupButton('Cancel', size=(5, 1), button_color=button_color))
+        elif button_type is MSG_BOX_NO_BUTTONS:
+            pass
         else:
             form.AddRow(Text('', size=(pad, 1), auto_size_text=False), PopupButton('OK', size=(5, 1), button_color=button_color, focus=True, bind_return_key=True))
 
@@ -2413,6 +2439,12 @@ def Popup(*args, button_color=None, button_type=MSG_BOX_OK, auto_close=False, au
 # MsgBox is the legacy call and show not be used any longer
 MsgBox = Popup
 
+# --------------------------- PopupNonBlocking ---------------------------
+def PopupoNoButtons(*args, button_color=None, auto_close=False, auto_close_duration=None, font=None):
+    Popup(*args, button_type=MSG_BOX_NO_BUTTONS, button_color=button_color, auto_close=auto_close, auto_close_duration=auto_close_duration, font=font)
+    return
+
+
 # --------------------------- PopupNonBlocking ---------------------------
 def PopupoNonBlocking(*args, button_color=None, auto_close=False, auto_close_duration=None, font=None):
     Popup(*args, non_blocking=True, button_color=button_color, auto_close=auto_close, auto_close_duration=auto_close_duration, font=font)
@@ -3133,6 +3165,11 @@ def ChangeLookAndFeel(index):
                                    'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR, 'BORDER': 1, 'SLIDER_DEPTH': 0,
                                    'PROGRESS_DEPTH': 0},
 
+                      'Dark2': {'BACKGROUND': 'gray25', 'TEXT': 'white', 'INPUT': 'white',
+                               'TEXT_INPUT': 'black', 'SCROLL': 'gray44', 'BUTTON': ('white', '#004F00'),
+                               'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR, 'BORDER': 1, 'SLIDER_DEPTH': 0,
+                               'PROGRESS_DEPTH': 0},
+
                       'Black': {'BACKGROUND': 'black', 'TEXT': 'white', 'INPUT': 'gray30',
                                'TEXT_INPUT': 'white', 'SCROLL': 'gray44', 'BUTTON': ('black', 'white'),
                                'PROGRESS': DEFAULT_PROGRESS_BAR_COLOR, 'BORDER': 1, 'SLIDER_DEPTH': 0,