Merge pull request #825 from MikeTheWatchGuy/Dev-latest

Dev latest

DemoPrograms/Demo_Input_Auto_Complete.py

@@ -0,0 +1,90 @@
+import sys
+import re
+QT = True
+if QT:
+    import PySimpleGUIQt as sg
+else:
+    import PySimpleGUI as sg
+
+def autocomplete_popup_show(text_list ):
+    autocomplete_popup_layout = [[sg.Listbox(values=text_list,
+                                             size=(100,20*len(text_list)) if QT else (15, len(text_list)),
+                                             change_submits=True,
+                                             bind_return_key=True,
+                                             auto_size_text=True,
+                                             key='_FLOATING_LISTBOX_', enable_events=True)]]
+
+    autocomplete_popup = sg.Window("Borderless Window",
+                                   default_element_size=(12, 1),
+                                   auto_size_text=False,
+                                   auto_size_buttons=False,
+                                   no_titlebar=True,
+                                   grab_anywhere=True,
+                                   return_keyboard_events=True,
+                                   keep_on_top=True,
+                                   background_color='black',
+                                   location=(1320,622),
+                                   default_button_element_size=(12, 1))
+
+    window = autocomplete_popup.Layout(autocomplete_popup_layout).Finalize()
+    return window
+
+
+def predict_text(input, lista):
+    pattern = re.compile('.*' + input + '.*')
+    return [w for w in lista if re.match(pattern, w)]
+
+choices = ['ABC' + str(i) for i in range(30)]       # dummy data
+
+layout = [  [sg.Text('Your typed chars appear here:')],
+            [sg.In(key='_INPUT_', size=(10,1), do_not_clear=True)],
+            [sg.Button('Show'), sg.Button('Exit')],]
+
+window = sg.Window('Window Title', return_keyboard_events=True).Layout(layout)
+
+sel_item = -1
+skip_event = False
+while True:             # Event Loop
+    event, values = window.Read(timeout=500)
+    if event is None or event == 'Exit':
+        break
+    if event != sg.TIMEOUT_KEY:
+        # print(f'ev1 {event}')
+        in_val = values['_INPUT_']
+        prediction_list = predict_text(str(in_val), choices)
+        if prediction_list:
+            try:
+                fwindow.Close()
+            except: pass
+            fwindow = autocomplete_popup_show(prediction_list)
+            list_elem = fwindow.Element('_FLOATING_LISTBOX_')
+        if event == '_COMBO_':
+            sg.Popup('Chose', values['_COMBO_'])
+        if event.startswith('Down') or event.startswith('special 16777237'):
+            sel_item = sel_item + (sel_item<len(prediction_list))
+            list_elem.Update(set_to_index=sel_item)
+            skip_event = True
+        elif event.startswith('Up') or event.startswith('special 16777235'):
+            sel_item = sel_item - (sel_item>0)
+            list_elem.Update(set_to_index=sel_item)
+            skip_event = True
+        if event == '\r' or event.startswith('special 16777220'):
+            chosen = vals2['_FLOATING_LISTBOX_']
+            window.Element('_INPUT_').Update(vals2['_FLOATING_LISTBOX_'][0], select=True)
+            fwindow.Close()
+            sel_item = -1
+        if event.startswith('Escape') or event.startswith('special 16777216'):
+            window.Element('_INPUT_').Update('')
+
+    try:
+        ev2, vals2 = fwindow.Read(timeout=10)
+        if ev2 == '_FLOATING_LISTBOX_' and skip_event and QT:
+            skip_event = False
+        elif ev2 != sg.TIMEOUT_KEY and ev2 is not None:
+            # print(f'ev2 {ev2}')
+            fwindow.Close()
+            window.Element('_INPUT_').Update(vals2['_FLOATING_LISTBOX_'][0], select=True)
+            sel_item = -1
+            fwindow = None
+    except: pass
+window.Close()