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NEW Demo - Crossword Puzzle, new Graph return values... change_submits and drag_submits parameters

This commit is contained in:
MikeTheWatchGuy 2018-11-04 13:21:58 -05:00
parent 3fc648209c
commit 4ae04581a6
2 changed files with 132 additions and 2 deletions
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53
Demo_Crossword_Puzzle.py Normal file
View File

@ -0,0 +1,53 @@
import sys
if sys.version_info[0] >= 3:
import PySimpleGUI as sg
else:
import PySimpleGUI27 as sg
import random
import string
"""
Demo application to show how to draw rectangles and letters on a Graph Element
This demo mocks up a crossword puzzle board
It will place a letter where you click on the puzzle
"""
BOX_SIZE = 25
layout = [
[sg.Text('Crossword Puzzle Using PySimpleGUI'), sg.Text('', key='_OUTPUT_')],
[sg.Graph((800,800), (0,450), (450,0), key='_GRAPH_', change_submits=True, drag_submits=False)],
[sg.Button('Show'), sg.Button('Exit')]
]
window = sg.Window('Window Title', ).Layout(layout).Finalize()
g = window.FindElement('_GRAPH_')
for row in range(16):
for col in range(16):
if random.randint(0,100) > 10:
g.DrawRectangle((col * BOX_SIZE + 5, row * BOX_SIZE + 3), (col * BOX_SIZE + BOX_SIZE + 5, row * BOX_SIZE + BOX_SIZE + 3), line_color='black')
else:
g.DrawRectangle((col * BOX_SIZE + 5, row * BOX_SIZE + 3), (col * BOX_SIZE + BOX_SIZE + 5, row * BOX_SIZE + BOX_SIZE + 3), line_color='black', fill_color='black')
g.DrawText('{}'.format(row * 6 + col + 1), (col * BOX_SIZE + 10, row * BOX_SIZE + 8))
while True: # Event Loop
event, values = window.Read()
print(event, values)
if event is None or event == 'Exit':
break
mouse = values['_GRAPH_']
if event == '_GRAPH_':
if mouse == (None, None):
continue
box_x = mouse[0]//BOX_SIZE
box_y = mouse[1]//BOX_SIZE
letter_location = (box_x * BOX_SIZE + 18, box_y * BOX_SIZE + 17)
print(box_x, box_y)
g.DrawText('{}'.format(random.choice(string.ascii_uppercase)), letter_location, font='Courier 25')
window.Close()

81
PySimpleGUI.py
View File

@ -1573,7 +1573,7 @@ class Canvas(Element):
# Graph #
# ---------------------------------------------------------------------- #
class Graph(Element):
def __init__(self, canvas_size, graph_bottom_left, graph_top_right, background_color=None, pad=None, key=None,
def __init__(self, canvas_size, graph_bottom_left, graph_top_right, background_color=None, pad=None, change_submits=False, drag_submits=False, key=None,
tooltip=None):
'''
Graph Element
@ -1590,19 +1590,38 @@ class Graph(Element):
self.TopRight = graph_top_right
self._TKCanvas = None
self._TKCanvas2 = None
self.ChangeSubmits = change_submits
self.DragSubmits = drag_submits
self.ClickPosition = (None, None)
self.MouseButtonDown = False
super().__init__(ELEM_TYPE_GRAPH, background_color=background_color, size=canvas_size, pad=pad, key=key,
tooltip=tooltip)
return
def _convert_xy_to_canvas_xy(self, x_in, y_in):
if None in (x_in,y_in):
return None, None
scale_x = (self.CanvasSize[0] - 0) / (self.TopRight[0] - self.BottomLeft[0])
scale_y = (0 - self.CanvasSize[1]) / (self.TopRight[1] - self.BottomLeft[1])
new_x = 0 + scale_x * (x_in - self.BottomLeft[0])
new_y = self.CanvasSize[1] + scale_y * (y_in - self.BottomLeft[1])
return new_x, new_y
def _convert_canvas_xy_to_xy(self, x_in, y_in):
if None in (x_in,y_in):
return None, None
scale_x = (self.CanvasSize[0] - 0) / (self.TopRight[0] - self.BottomLeft[0])
scale_y = (0 - self.CanvasSize[1]) / (self.TopRight[1] - self.BottomLeft[1])
new_x = x_in/scale_x+self.BottomLeft[0]
new_y = (y_in - self.CanvasSize[1]) / scale_y + self.BottomLeft[1]
return int(new_x), int(new_y)
def DrawLine(self, point_from, point_to, color='black', width=1):
if point_from == (None, None):
return
converted_point_from = self._convert_xy_to_canvas_xy(point_from[0], point_from[1])
converted_point_to = self._convert_xy_to_canvas_xy(point_to[0], point_to[1])
if self._TKCanvas2 is None:
@ -1612,6 +1631,8 @@ class Graph(Element):
return self._TKCanvas2.create_line(converted_point_from, converted_point_to, width=width, fill=color)
def DrawPoint(self, point, size=2, color='black'):
if point == (None, None):
return
converted_point = self._convert_xy_to_canvas_xy(point[0], point[1])
if self._TKCanvas2 is None:
print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
@ -1622,6 +1643,8 @@ class Graph(Element):
outline=color)
def DrawCircle(self, center_location, radius, fill_color=None, line_color='black'):
if center_location == (None, None):
return
converted_point = self._convert_xy_to_canvas_xy(center_location[0], center_location[1])
if self._TKCanvas2 is None:
print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
@ -1664,6 +1687,8 @@ class Graph(Element):
converted_bottom_right[1], fill=fill_color, outline=line_color)
def DrawText(self, text, location, color='black', font=None, angle=0):
if location == (None, None):
return
converted_point = self._convert_xy_to_canvas_xy(location[0], location[1])
if self._TKCanvas2 is None:
print('*** WARNING - The Graph element has not been finalized and cannot be drawn upon ***')
@ -1714,6 +1739,50 @@ class Graph(Element):
print('*** form = sg.Window("My Form").Layout(layout).Finalize() ***')
return self._TKCanvas2
# Realtime button release callback
def ButtonReleaseCallBack(self, event):
self.ClickPosition = (None, None)
self.LastButtonClickedWasRealtime = not self.DragSubmits
if self.Key is not None:
self.ParentForm.LastButtonClicked = self.Key
else:
self.ParentForm.LastButtonClicked = '__GRAPH__' # need to put something rather than None
if self.ParentForm.CurrentlyRunningMainloop:
self.ParentForm.TKroot.quit()
if self.DragSubmits:
self.ParentForm.LastButtonClicked = None
self.MouseButtonDown = False
# Realtime button callback
def ButtonPressCallBack(self, event):
self.ClickPosition = self._convert_canvas_xy_to_xy(event.x, event.y)
self.ParentForm.LastButtonClickedWasRealtime = self.DragSubmits
if self.Key is not None:
self.ParentForm.LastButtonClicked = self.Key
else:
self.ParentForm.LastButtonClicked = '__GRAPH__' # need to put something rather than None
if self.ParentForm.CurrentlyRunningMainloop:
self.ParentForm.TKroot.quit() # kick out of loop if read was called
self.MouseButtonDown = True
# Realtime button callback
def MotionCallBack(self, event):
if not self.MouseButtonDown:
return
self.ClickPosition = self._convert_canvas_xy_to_xy(event.x, event.y)
self.ParentForm.LastButtonClickedWasRealtime = self.DragSubmits
if self.Key is not None:
self.ParentForm.LastButtonClicked = self.Key
else:
self.ParentForm.LastButtonClicked = '__GRAPH__' # need to put something rather than None
if self.ParentForm.CurrentlyRunningMainloop:
self.ParentForm.TKroot.quit() # kick out of loop if read was called
def __del__(self):
super().__del__()
@ -3633,6 +3702,8 @@ def BuildResultsForSubform(form, initialize_only, top_level_form):
value = element.SelectedRows
elif element.Type == ELEM_TYPE_TREE:
value = element.SelectedRows
elif element.Type == ELEM_TYPE_GRAPH:
value = element.ClickPosition
else:
value = None
@ -4354,6 +4425,7 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
if element.Tooltip is not None:
element.TooltipObject = ToolTip(element._TKCanvas, text=element.Tooltip,
timeout=DEFAULT_TOOLTIP_TIME)
# ------------------------- Graph element ------------------------- #
elif element_type == ELEM_TYPE_GRAPH:
width, height = element_size
@ -4371,6 +4443,11 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
if element.Tooltip is not None:
element.TooltipObject = ToolTip(element._TKCanvas, text=element.Tooltip,
timeout=DEFAULT_TOOLTIP_TIME)
if element.ChangeSubmits:
element._TKCanvas2.bind('<ButtonRelease-1>', element.ButtonReleaseCallBack)
element._TKCanvas2.bind('<ButtonPress-1>', element.ButtonPressCallBack)
if element.DragSubmits:
element._TKCanvas2.bind('<Motion>', element.MotionCallBack)
# ------------------------- MENUBAR element ------------------------- #
elif element_type == ELEM_TYPE_MENUBAR:
menu_def = element.MenuDefinition