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Demo Matplotlib, Canvas Element changes, new Frame Element, added pad to Text, Slider 

Plus a few other tweaks & bug fixes
This commit is contained in:
MikeTheWatchGuy 2018-08-26 22:16:54 -04:00
parent 4062b2b41c
commit 0def4bf436
4 changed files with 111 additions and 25 deletions
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73
Demo_Matplotlib.py Normal file
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@ -0,0 +1,73 @@
import PySimpleGUI as g
import matplotlib
matplotlib.use('TkAgg')
from numpy import arange, sin, pi
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, FigureCanvasAgg
from matplotlib.figure import Figure
import matplotlib.backends.tkagg as tkagg
import sys
import tkinter as Tk
"""
Demonstrates one way of embedding Matplotlib figures into a PySimpleGUI window.
Basic steps are:
* Create a Canvas Element
* Layout form
* Display form (NON BLOCKING)
* Draw plots onto convas
* Display form (BLOCKING)
"""
def draw_figure(canvas, figure, loc=(0, 0)):
""" Draw a matplotlib figure onto a Tk canvas
loc: location of top-left corner of figure on canvas in pixels.
Inspired by matplotlib source: lib/matplotlib/backends/backend_tkagg.py
"""
figure_canvas_agg = FigureCanvasAgg(figure)
figure_canvas_agg.draw()
figure_x, figure_y, figure_w, figure_h = figure.bbox.bounds
figure_w, figure_h = int(figure_w), int(figure_h)
photo = Tk.PhotoImage(master=canvas, width=figure_w, height=figure_h)
# Position: convert from top-left anchor to center anchor
canvas.create_image(loc[0] + figure_w/2, loc[1] + figure_h/2, image=photo)
# Unfortunately, there's no accessor for the pointer to the native renderer
tkagg.blit(photo, figure_canvas_agg.get_renderer()._renderer, colormode=2)
# Return a handle which contains a reference to the photo object
# which must be kept live or else the picture disappears
return photo
f = Figure(figsize=(5, 4), dpi=100)
a = f.add_subplot(111)
t = arange(0.0, 3.0, 0.01)
s = sin(2*pi*t)
a.plot(t, s)
a.set_title('Tk embedding')
a.set_xlabel('X axis label')
a.set_ylabel('Y label')
# -------------------------------- GUI Starts Here --------------------------------
canvas_elem = g.Canvas(size=(500, 400)) # get the canvas we'll be drawing on
# define the form layout
layout = [[g.Text('Plot test')],
[canvas_elem],
[g.OK(pad=((250,0), 3))]]
# create the form and show it without the plot
form = g.FlexForm('Demo Application - Embedding Matplotlib In PySimpleGUI')
form.Layout(layout)
form.ReadNonBlocking()
# add the plot to the window
fig_photo = draw_figure(canvas_elem.TKCanvas, f)
# show it all again and get buttons
button, values = form.Read()

2
Demo_Script_Launcher.py
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@ -7,7 +7,7 @@ def Launcher():
layout = [
[sg.Text('Script output....', size=(40, 1))],
[sg.Output(size=(88, 20))],
[sg.Output(size=(88, 20), font='Courier 10')],
[sg.ReadFormButton('script1'), sg.ReadFormButton('script2'), sg.SimpleButton('EXIT')],
[sg.Text('Manual command', size=(15,1)), sg.InputText(focus=True), sg.ReadFormButton('Run', bind_return_key=True)]
]

57
PySimpleGUI.py
View File

@ -140,6 +140,7 @@ ELEM_TYPE_INPUT_SPIN = 9
ELEM_TYPE_BUTTON = 3
ELEM_TYPE_IMAGE = 30
ELEM_TYPE_CANVAS = 40
ELEM_TYPE_FRAME = 41
ELEM_TYPE_INPUT_SLIDER = 10
ELEM_TYPE_INPUT_LISTBOX = 11
ELEM_TYPE_OUTPUT = 300
@ -506,6 +507,7 @@ class TKProgressBar():
self.Orientation = orientation
self.Count = None
self.PriorCount = 0
if orientation[0].lower() == 'h':
s = ttk.Style()
s.theme_use(style)
@ -814,15 +816,9 @@ class Image(Element):
# Canvas #
# ---------------------------------------------------------------------- #
class Canvas(Element):
def __init__(self, background_color=None, scale=(None, None), size=(None, None), pad=None):
'''
Image Element
:param filename:
:param scale: Adds multiplier to size (w,h)
:param size: Size of field in characters
'''
def __init__(self, canvas=None, background_color=None, scale=(None, None), size=(None, None), pad=None):
self.BackgroundColor = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR
self.TKCanvas = None
self.TKCanvas = canvas
super().__init__(ELEM_TYPE_CANVAS, background_color=background_color, scale=scale, size=size, pad=pad)
return
@ -831,6 +827,20 @@ class Canvas(Element):
super().__del__()
# ---------------------------------------------------------------------- #
# Frame #
# ---------------------------------------------------------------------- #
class Frame(Element):
def __init__(self, frame=None, background_color=None, scale=(None, None), size=(None, None), pad=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)
return
def __del__(self):
super().__del__()
# ---------------------------------------------------------------------- #
# Slider #
# ---------------------------------------------------------------------- #
@ -1058,6 +1068,7 @@ class FlexForm:
pass
def Read(self):
self.NonBlocking = False
if self.TKrootDestroyed:
return None, None
if not self.Shown:
@ -1484,7 +1495,7 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
if element_type == ELEM_TYPE_COLUMN:
col_frame = tk.Frame(tk_row_frame)
PackFormIntoFrame(element, col_frame, toplevel_form)
col_frame.pack(side=tk.LEFT)
col_frame.pack(side=tk.LEFT, padx=element.Pad[0], pady=element.Pad[1])
if element.BackgroundColor != COLOR_SYSTEM_DEFAULT and element.BackgroundColor is not None:
col_frame.configure(background=element.BackgroundColor, highlightbackground=element.BackgroundColor, highlightcolor=element.BackgroundColor)
# ------------------------- TEXT element ------------------------- #
@ -1515,18 +1526,18 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
justification = DEFAULT_TEXT_JUSTIFICATION
justify = tk.LEFT if justification == 'left' else tk.CENTER if justification == 'center' else tk.RIGHT
anchor = tk.NW if justification == 'left' else tk.N if justification == 'center' else tk.NE
tktext_label = tk.Label(tk_row_frame, textvariable=stringvar, width=width, height=height, justify=justify, bd=border_depth)
tktext_label = tk.Label(tk_row_frame, textvariable=stringvar, width=width, height=height, justify=justify, bd=border_depth, font=font)
# Set wrap-length for text (in PIXELS) == PAIN IN THE ASS
wraplen = tktext_label.winfo_reqwidth()+40 # width of widget in Pixels
if not auto_size_text:
wraplen = 0
# print("wraplen, width, height", wraplen, width, height)
tktext_label.configure(anchor=anchor, font=font, wraplen=wraplen) # set wrap to width of widget
tktext_label.configure(anchor=anchor, wraplen=wraplen) # set wrap to width of widget
if element.BackgroundColor is not None:
tktext_label.configure(background=element.BackgroundColor)
if element.TextColor != COLOR_SYSTEM_DEFAULT and element.TextColor is not None:
tktext_label.configure(fg=element.TextColor)
tktext_label.pack(side=tk.LEFT)
tktext_label.pack(side=tk.LEFT,padx=element.Pad[0], pady=element.Pad[1])
element.TKText = tktext_label
# ------------------------- BUTTON element ------------------------- #
elif element_type == ELEM_TYPE_BUTTON:
@ -1550,9 +1561,9 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
bc = DEFAULT_BUTTON_COLOR
border_depth = element.BorderWidth
if btype != BUTTON_TYPE_REALTIME:
tkbutton = tk.Button(tk_row_frame, text=btext, width=width, height=height,command=element.ButtonCallBack, justify=tk.LEFT, bd=border_depth)
tkbutton = tk.Button(tk_row_frame, text=btext, width=width, height=height,command=element.ButtonCallBack, justify=tk.LEFT, bd=border_depth, font=font)
else:
tkbutton = tk.Button(tk_row_frame, text=btext, width=width, height=height, justify=tk.LEFT, bd=border_depth)
tkbutton = tk.Button(tk_row_frame, text=btext, width=width, height=height, justify=tk.LEFT, bd=border_depth, font=font)
tkbutton.bind('<ButtonRelease-1>', element.ButtonReleaseCallBack)
tkbutton.bind('<ButtonPress-1>', element.ButtonPressCallBack)
if bc != (None, None) and bc != COLOR_SYSTEM_DEFAULT:
@ -1571,9 +1582,7 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
tkbutton.config(image=photo, width=width, height=height)
tkbutton.image = photo
if width != 0:
tkbutton.configure(wraplength=wraplen+10, font=font) # set wrap to width of widget
else:
tkbutton.configure(font=font) # only set the font, not wraplength
tkbutton.configure(wraplength=wraplen+10) # set wrap to width of widget
tkbutton.pack(side=tk.LEFT, padx=element.Pad[0], pady=element.Pad[1])
if element.Focus is True or (toplevel_form.UseDefaultFocus and not focus_set):
focus_set = True
@ -1698,7 +1707,6 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
else:
bar_color = DEFAULT_PROGRESS_BAR_COLOR
element.TKProgressBar = TKProgressBar(tk_row_frame, element.MaxValue, progress_length, progress_width, orientation=direction, BarColor=bar_color, border_width=element.BorderWidth, relief=element.Relief, style=element.BarStyle )
# element.TKProgressBar = TKProgressBar(tk_row_frame, element.MaxValue, progress_length, progress_width, orientation=direction, BarColor=bar_color, border_width=element.BorderWidth, relief=element.Relief)
element.TKProgressBar.TKProgressBarForReal.pack(side=tk.LEFT, padx=element.Pad[0], pady=element.Pad[1])
# ------------------------- INPUT RADIO BUTTON element ------------------------- #
elif element_type == ELEM_TYPE_INPUT_RADIO:
@ -1762,10 +1770,19 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
# ------------------------- Canvas element ------------------------- #
elif element_type == ELEM_TYPE_CANVAS:
width, height = element_size
element.TKCanvas = tk.Canvas(tk_row_frame, width=width, height=height, bd=border_depth)
if element.TKCanvas is None:
element.TKCanvas = tk.Canvas(tk_row_frame, width=width, height=height, bd=border_depth)
if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
element.TKCanvas.configure(background=element.BackgroundColor)
element.TKCanvas.pack(side=tk.LEFT, padx=element.Pad[0], pady=element.Pad[1])
# ------------------------- Frame element ------------------------- #
elif element_type == ELEM_TYPE_FRAME:
width, height = element_size
if element.TKFrame is None:
element.TKFrame = tk.Frame(tk_row_frame, width=width, height=height, bd=border_depth)
if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
element.TKFrame.configure(background=element.BackgroundColor)
element.TKFrame.pack(side=tk.LEFT, padx=element.Pad[0], pady=element.Pad[1])
# ------------------------- SLIDER Box element ------------------------- #
elif element_type == ELEM_TYPE_INPUT_SLIDER:
slider_length = element_size[0] * CharWidthInPixels()
@ -2659,7 +2676,7 @@ def SetOptions(icon=None, button_color=None, element_size=(None,None), margins=(
##############################################################
def ChangeLookAndFeel(index):
# look and feel table
look_and_feel = {'GreenTan': {'BACKGROUND' : '#9FB8AD', 'TEXT': COLOR_SYSTEM_DEFAULT, 'INPUT':'#F7F3EC','TEXT_INPUT' : 'black','SCROLL': '#F7F3EC', 'BUTTON': ('white', '#475841'), 'PROGRESS':DEFAULT_PROGRESS_BAR_COLOR},
look_and_feel = {'GreenTan': {'BACKGROUND' : '#9FB8AD', 'TEXT': COLOR_SYSTEM_DEFAULT, 'INPUT':'#F7F3EC','TEXT_INPUT' : 'black','SCROLL': '#F7F3EC', 'BUTTON': ('white', '#475841'), 'PROGRESS':('#9FB8AD','#F7F3EC' )},
'LightGreen' :{'BACKGROUND' : '#B7CECE', 'TEXT': 'black', 'INPUT':'#FDFFF7','TEXT_INPUT' : 'black', 'SCROLL': '#FDFFF7','BUTTON': ('white', '#658268'), 'PROGRESS':('#247BA0','#F8FAF0')},

4
SimScript_.py
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@ -1,4 +0,0 @@
import time
for i in range(100):
print(i,'', end='')