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Realtime Buttons 

New type of button, the realtime button, allows buttons to be 'polled'.  They register as pushed as soon as the button goes down versus click which happens when you release the button.
This commit is contained in:
MikeTheWatchGuy 2018-07-30 23:50:52 -04:00
parent 9386ec8fc1
commit e4a9f80489
1 changed files with 45 additions and 27 deletions
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72
PySimpleGUI.py
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@ -112,10 +112,11 @@ def RGB(red,green,blue): return '#%02x%02x%02x' % (red,green,blue)
#todo Consider removing the Submit, Cancel types... they are just 'RETURN' type in reality
#uncomment this line and indent to go back to using Enums
# class ButtonType(Enum):
BROWSE_FOLDER = 1
BROWSE_FILE = 2
CLOSES_WIN = 5
READ_FORM = 7
BUTTON_TYPE_BROWSE_FOLDER = 1
BUTTON_TYPE_BROWSE_FILE = 2
BUTTON_TYPE_CLOSES_WIN = 5
BUTTON_TYPE_READ_FORM = 7
BUTTON_TYPE_REALTIME = 9
# ------------------------- Element types ------------------------- #
# class ElementType(Enum):
@ -216,7 +217,7 @@ class InputText(Element):
for row in MyForm.Rows:
for element in row.Elements:
if element.Type == ELEM_TYPE_BUTTON:
if element.BType == CLOSES_WIN or element.BType == READ_FORM:
if element.BType == BUTTON_TYPE_CLOSES_WIN or element.BType == BUTTON_TYPE_READ_FORM:
element.ButtonCallBack()
return
@ -410,7 +411,7 @@ class Multiline(Element):
for row in MyForm.Rows:
for element in row.Elements:
if element.Type == ELEM_TYPE_BUTTON:
if element.BType == CLOSES_WIN or element.BType == READ_FORM:
if element.BType == BUTTON_TYPE_CLOSES_WIN or element.BType == BUTTON_TYPE_READ_FORM:
element.ButtonCallBack()
return
@ -569,7 +570,7 @@ class Output(Element):
# Button Class #
# ---------------------------------------------------------------------- #
class Button(Element):
def __init__(self, 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):
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):
'''
Button Element - Specifies all types of buttons
:param button_type:
@ -601,6 +602,14 @@ class Button(Element):
super().__init__(ELEM_TYPE_BUTTON, scale, size, font=font)
return
def ButtonReleaseCallBack(self, parm):
r, c = self.Position
self.ParentForm.Results[r][c] = False # mark this button's location in results
def ButtonPressCallBack(self, parm):
r, c = self.Position
self.ParentForm.Results[r][c] = True # mark this button's location in results
# ------- Button Callback ------- #
def ButtonCallBack(self):
global _my_windows
@ -622,15 +631,15 @@ class Button(Element):
else:
strvar = None
filetypes = [] if self.FileTypes is None else self.FileTypes
if self.BType == BROWSE_FOLDER:
if self.BType == BUTTON_TYPE_BROWSE_FOLDER:
folder_name = tk.filedialog.askdirectory() # show the 'get folder' dialog box
try:
strvar.set(folder_name)
except: pass
elif self.BType == BROWSE_FILE:
elif self.BType == BUTTON_TYPE_BROWSE_FILE:
file_name = tk.filedialog.askopenfilename(filetypes=filetypes) # show the 'get file' dialog box
strvar.set(file_name)
elif self.BType == CLOSES_WIN: # this is a return type button so GET RESULTS and destroy window
elif self.BType == BUTTON_TYPE_CLOSES_WIN: # this is a return type button so GET RESULTS and destroy window
# first, get the results table built
# modify the Results table in the parent FlexForm object
r,c = self.Position
@ -644,7 +653,7 @@ class Button(Element):
if self.ParentForm.NonBlocking:
self.ParentForm.TKroot.destroy()
_my_windows.NumOpenWindows -= 1 * (_my_windows.NumOpenWindows != 0) # decrement if not 0
elif self.BType == READ_FORM: # LEAVE THE WINDOW OPEN!! DO NOT CLOSE
elif self.BType == BUTTON_TYPE_READ_FORM: # LEAVE THE WINDOW OPEN!! DO NOT CLOSE
# first, get the results table built
# modify the Results table in the parent FlexForm object
r,c = self.Position
@ -658,7 +667,7 @@ class Button(Element):
for row in MyForm.Rows:
for element in row.Elements:
if element.Type == ELEM_TYPE_BUTTON:
if element.BType == CLOSES_WIN or element.BType == READ_FORM:
if element.BType == BUTTON_TYPE_CLOSES_WIN or element.BType == BUTTON_TYPE_READ_FORM:
element.ButtonCallBack()
return
@ -1041,49 +1050,52 @@ def T(display_text, scale=(None, None), size=(None, None), auto_size_text=None,
# ------------------------- FOLDER BROWSE Element lazy function ------------------------- #
def FolderBrowse(target=(ThisRow, -1), button_text='Browse', scale=(None, None), size=(None, None), auto_size_button=None, button_color=None):
return Button(BROWSE_FOLDER, target=target, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
return Button(BUTTON_TYPE_BROWSE_FOLDER, target=target, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
# ------------------------- FILE BROWSE Element lazy function ------------------------- #
def FileBrowse(target=(ThisRow, -1), file_types=(("ALL Files", "*.*"),), button_text='Browse', scale=(None, None), size=(None, None), auto_size_button=None, button_color=None):
return Button(BROWSE_FILE, target, button_text=button_text, file_types=file_types, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
return Button(BUTTON_TYPE_BROWSE_FILE, target, button_text=button_text, file_types=file_types, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
# ------------------------- SUBMIT BUTTON Element lazy function ------------------------- #
def Submit(button_text='Submit', scale=(None, None), size=(None, None), auto_size_button=None, button_color=None):
return Button(CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
return Button(BUTTON_TYPE_CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
# ------------------------- OK BUTTON Element lazy function ------------------------- #
def OK(button_text='OK', scale=(None, None), size=(None, None), auto_size_button=None, button_color=None):
return Button(CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
return Button(BUTTON_TYPE_CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
# ------------------------- YES BUTTON Element lazy function ------------------------- #
def Ok(button_text='Ok', scale=(None, None), size=(None, None), auto_size_button=None, button_color=None):
return Button(CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
return Button(BUTTON_TYPE_CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
# ------------------------- CANCEL BUTTON Element lazy function ------------------------- #
def Cancel(button_text='Cancel', scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None):
return Button(CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font)
return Button(BUTTON_TYPE_CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font)
# ------------------------- QUIT BUTTON Element lazy function ------------------------- #
def Quit(button_text='Quit', scale=(None, None), size=(None, None), auto_size_button=None, button_color=None, font=None):
return Button(CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font)
return Button(BUTTON_TYPE_CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color, font=font)
# ------------------------- YES BUTTON Element lazy function ------------------------- #
def Yes(button_text='Yes', scale=(None, None), size=(None, None), auto_size_button=None, button_color=None):
return Button(CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
return Button(BUTTON_TYPE_CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
# ------------------------- NO BUTTON Element lazy function ------------------------- #
def No(button_text='No', scale=(None, None), size=(None, None), auto_size_button=None, button_color=None):
return Button(CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
return Button(BUTTON_TYPE_CLOSES_WIN, button_text=button_text, scale=scale, size=size, auto_size_button=auto_size_button, button_color=button_color)
# ------------------------- 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):
return Button(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)
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)
# ------------------------- 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):
return Button(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)
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)
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):
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)
#------------------------------------------------------------------------------------------------------#
# ------- FUNCTION InitializeResults. Sets up form results matrix ------- #
@ -1177,7 +1189,8 @@ def BuildResults(form):
elif element.Type == ELEM_TYPE_BUTTON:
if results[row_num][col_num] is True:
button_pressed_text = element.ButtonText
results[row_num][col_num] = False
if element.BType != BUTTON_TYPE_REALTIME: # Do not clear realtime buttons
results[row_num][col_num] = False
elif element.Type == ELEM_TYPE_INPUT_COMBO:
value=element.TKStringVar.get()
results[row_num][col_num] = value
@ -1321,10 +1334,15 @@ def ConvertFlexToTK(MyFlexForm):
if bc == 'Random' or bc == 'random':
bc = GetRandomColorPair()
border_depth = element.BorderWidth
tkbutton = tk.Button(tk_row_frame, text=btext, width=width, height=height,command=element.ButtonCallBack, justify=tk.LEFT, foreground=bc[0], background=bc[1], bd=border_depth)
if btype != BUTTON_TYPE_REALTIME:
tkbutton = tk.Button(tk_row_frame, text=btext, width=width, height=height,command=element.ButtonCallBack, justify=tk.LEFT, foreground=bc[0], background=bc[1], bd=border_depth)
else:
tkbutton = tk.Button(tk_row_frame, text=btext, width=width, height=height, justify=tk.LEFT, foreground=bc[0], background=bc[1], bd=border_depth)
tkbutton.bind('<ButtonRelease-1>', element.ButtonReleaseCallBack)
tkbutton.bind('<ButtonPress-1>', element.ButtonPressCallBack)
element.TKButton = tkbutton # not used yet but save the TK button in case
wraplen = tkbutton.winfo_reqwidth() # width of widget in Pixels
if element.ImageFilename:
if element.ImageFilename: # if button has an image on it
photo = tk.PhotoImage(file=element.ImageFilename)
if element.ImageSize != (None, None):
width, height = element.ImageSize
@ -1336,7 +1354,7 @@ def ConvertFlexToTK(MyFlexForm):
tkbutton.image = photo
tkbutton.configure(wraplength=wraplen+10, font=font) # set wrap to width of widget
tkbutton.pack(side=tk.LEFT, padx=element.Pad[0], pady=element.Pad[1])
if not focus_set and btype == CLOSES_WIN:
if not focus_set and btype == BUTTON_TYPE_CLOSES_WIN:
focus_set = True
element.TKButton.bind('<Return>', element.ReturnKeyHandler)
element.TKButton.focus_set()