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Merge pull request #867 from MikeTheWatchGuy/Dev-latest

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new Slider parameter - disable_number_display - turns off the numeric…
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MikeTheWatchGuy 2018-12-07 08:34:44 -05:00 • committed by GitHub
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2 changed files with 86 additions and 4 deletions
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22
PySimpleGUI.py
View file

@ -459,6 +459,15 @@ class Element():
if self.ParentForm.CurrentlyRunningMainloop:
self.ParentForm.TKroot.quit()
def ClickHandler(self, event):
if self.Key is not None:
self.ParentForm.LastButtonClicked = self.Key
else:
self.ParentForm.LastButtonClicked = ''
self.ParentForm.FormRemainedOpen = True
if self.ParentForm.CurrentlyRunningMainloop:
self.ParentForm.TKroot.quit()
def __del__(self):
try:
@ -1627,7 +1636,7 @@ class ProgressBar(Element):
# ---------------------------------------------------------------------- #
class Image(Element):
def __init__(self, filename=None, data=None, background_color=None, size=(None, None), pad=None, key=None,
tooltip=None, visible=True):
tooltip=None, visible=True, enable_events=False):
'''
Image Element
:param filename:
@ -1644,6 +1653,8 @@ class Image(Element):
self.BackgroundColor = background_color
if data is None and filename is None:
print('* Warning... no image specified in Image Element! *')
self.EnableEvents = enable_events
super().__init__(ELEM_TYPE_IMAGE, size=size, background_color=background_color, pad=pad, key=key,
tooltip=tooltip, visible=visible)
return
@ -2203,8 +2214,7 @@ class TabGroup(Element):
# Slider #
# ---------------------------------------------------------------------- #
class Slider(Element):
def __init__(self, range=(None, None), default_value=None, resolution=None, tick_interval=None, orientation=None,
border_width=None, relief=None, change_submits=False, enable_events=False, disabled=False, size=(None, None), font=None, background_color=None, text_color=None, key=None, pad=None, tooltip=None, visible=True):
def __init__(self, range=(None, None), default_value=None, resolution=None, tick_interval=None, orientation=None, disable_number_display=False, border_width=None, relief=None, change_submits=False, enable_events=False, disabled=False, size=(None, None), font=None, background_color=None, text_color=None, key=None, pad=None, tooltip=None, visible=True):
'''
Slider Element
:param range:
@ -2233,6 +2243,7 @@ class Slider(Element):
self.ChangeSubmits = change_submits or enable_events
self.Disabled = disabled
self.TickInterval = tick_interval
self.DisableNumericDisplay = disable_number_display
temp_size = size
if temp_size == (None, None):
temp_size = (20, 20) if self.Orientation.startswith('h') else (8, 20)
@ -4726,6 +4737,9 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
if element.Tooltip is not None:
element.TooltipObject = ToolTip(element.tktext_label, text=element.Tooltip,
timeout=DEFAULT_TOOLTIP_TIME)
if element.EnableEvents:
element.tktext_label.bind('<ButtonPress-1>', element.ClickHandler)
# ------------------------- Canvas element ------------------------- #
elif element_type == ELEM_TYPE_CANVAS:
width, height = element_size
@ -4914,6 +4928,8 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
tkscale.configure(background=element.BackgroundColor)
if DEFAULT_SCROLLBAR_COLOR != COLOR_SYSTEM_DEFAULT:
tkscale.config(troughcolor=DEFAULT_SCROLLBAR_COLOR)
if element.DisableNumericDisplay:
tkscale.config(showvalue=0)
if text_color is not None and text_color != COLOR_SYSTEM_DEFAULT:
tkscale.configure(fg=text_color)
tkscale.pack(side=tk.LEFT, padx=element.Pad[0], pady=element.Pad[1])

68
docs/cookbook.md
View file

@ -718,7 +718,73 @@ This simple program keep a window open, taking input values until the user termi
break
```
## One Element Updating Another
You can easily build "compound elements" in a single like of code. This recipe shows you how to add a numeric value onto a slider.
```python
import PySimpleGUI as sg
layout = [[sg.Text('Slider Demonstration'), sg.Text('', key='_OUTPUT_')],
[sg.T('0',key='_LEFT_'),
sg.Slider((1,100), key='_SLIDER_', orientation='h', enable_events=True, disable_number_display=True),
sg.T('0', key='_RIGHT_')],
[sg.Button('Show'), sg.Button('Exit')]]
window = sg.Window('Window Title').Layout(layout)
while True: # Event Loop
event, values = window.Read()
print(event, values)
if event is None or event == 'Exit':
break
window.Element('_LEFT_').Update(values['_SLIDER_'])
window.Element('_RIGHT_').Update(values['_SLIDER_'])
window.Close()
```
## Multiple Windows
This recipe is a design pattern for multiple windows where the first window is not active while the second window is showing. The first window is hidden to discourage continued interaction.
```Python
"""
PySimpleGUI The Complete Course Lesson 7 - Multiple Windows"""
import PySimpleGUI as sg
# Design pattern 1 - First window does not remain active
layout = [[ sg.Text('Window 1'),],
[sg.Input(do_not_clear=True)],
[sg.Text('', key='_OUTPUT_')],
[sg.Button('Launch 2')]]
win1 = sg.Window('Window 1').Layout(layout)
win2_active=False
while True:
ev1, vals1 = win1.Read(timeout=100)
if ev1 is None:
break
win1.FindElement('_OUTPUT_').Update(vals1[0])
if ev1 == 'Launch 2' and not win2_active:
win2_active = True
win1.Hide()
layout2 = [[sg.Text('Window 2')], # note must create a layout from scratch every time. No reuse
[sg.Button('Exit')]]
win2 = sg.Window('Window 2').Layout(layout2)
while True:
ev2, vals2 = win2.Read()
if ev2 is None or ev2 == 'Exit':
win2.Close()
win2_active = False
win1.UnHide()
break
```
## tkinter Canvas Widget
The Canvas Element is one of the few tkinter objects that are directly accessible. The tkinter Canvas widget itself can be retrieved from a Canvas Element like this: