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improved button resize performance, no deleting of canvas components, just position changes

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This commit is contained in:
Tom Schimansky 2021-11-07 00:01:17 +01:00
parent a6e8e52710
commit 63df9c296b
2 changed files with 147 additions and 118 deletions
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99
customtkinter/customtkinter_button.py
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@ -112,9 +112,12 @@ class CTkButton(tkinter.Frame):
def update_dimensions(self, event):
# We update the dimensions of the internal elements of CTkButton Widget
self.canvas.config(width=event.width, height=event.height)
# only redraw if dimensions changed (for performance)
if self.width != event.width or self.height != event.height:
self.width = event.width
self.height = event.height
self.draw()
self.draw(no_color_updates=True, no_label_updates=True) # fast drawing without color and label changes
def detect_color_of_master(self):
if isinstance(self.master, CTkFrame):
@ -122,87 +125,113 @@ class CTkButton(tkinter.Frame):
else:
return self.master.cget("bg")
def draw(self):
self.canvas.delete("all")
self.canvas_fg_parts = []
self.canvas_border_parts = []
def draw(self, no_color_updates=False, no_label_updates=False):
self.canvas.configure(bg=CTkColorManager.single_color(self.bg_color, self.appearance_mode))
# create border button parts
if self.border_width > 0:
if self.corner_radius > 0:
self.canvas_border_parts.append(self.canvas.create_oval(0, 0, 0, 0))
self.canvas_border_parts.append(self.canvas.create_oval(0, 0, 0, 0))
self.canvas_border_parts.append(self.canvas.create_oval(0, 0, 0, 0))
#self.canvas_border_parts.append(self.canvas.create_oval(0, 0, 0, 0))
# create canvas border corner parts if not already created
if not self.canvas.find_withtag("border_oval_1"):
self.canvas.create_oval(0, 0, 0, 0, tags=("border_oval_1", "border_corner_part"))
self.canvas.create_oval(0, 0, 0, 0, tags=("border_oval_2", "border_corner_part"))
self.canvas.create_oval(0, 0, 0, 0, tags=("border_oval_3", "border_corner_part"))
self.canvas.create_oval(0, 0, 0, 0, tags=("border_oval_4", "border_corner_part"))
self.canvas.itemconfig(self.canvas_border_parts[0], (0,
self.canvas.coords("border_oval_1", (0,
0,
self.corner_radius * 2,
self.corner_radius * 2))
self.canvas.itemconfig(self.canvas_border_parts[0], (self.width - self.corner_radius * 2,
self.canvas.coords("border_oval_2", (self.width - self.corner_radius * 2,
0,
self.width,
self.corner_radius * 2))
self.canvas.itemconfig(self.canvas_border_parts[0], (0,
self.canvas.coords("border_oval_3", (0,
self.height - self.corner_radius * 2,
self.corner_radius * 2,
self.height))
self.canvas.itemconfig(self.canvas_border_parts[0], (self.width - self.corner_radius * 2,
self.canvas.coords("border_oval_4", (self.width - self.corner_radius * 2,
self.height - self.corner_radius * 2,
self.width,
self.height))
else:
self.canvas.delete("border_corner_part") # delete border corner parts if not needed
self.canvas_border_parts.append(self.canvas.create_rectangle(0,
# create canvas border rectangle parts if not already created
if not self.canvas.find_withtag("border_rectangle_1"):
self.canvas.create_rectangle(0, 0, 0, 0, tags=("border_rectangle_1", "border_rectangle_part"))
self.canvas.create_rectangle(0, 0, 0, 0, tags=("border_rectangle_2", "border_rectangle_part"))
self.canvas.coords("border_rectangle_1", (0,
self.corner_radius,
self.width,
self.height - self.corner_radius))
self.canvas_border_parts.append(self.canvas.create_rectangle(self.corner_radius,
self.canvas.coords("border_rectangle_2", (self.corner_radius,
0,
self.width - self.corner_radius,
self.height))
# create inner button parts
if self.corner_radius > 0:
self.canvas_fg_parts.append(self.canvas.create_oval(self.border_width,
# create canvas border corner parts if not already created
if not self.canvas.find_withtag("inner_corner_part"):
self.canvas.create_oval(0, 0, 0, 0, tags=("inner_oval_1", "inner_corner_part"))
self.canvas.create_oval(0, 0, 0, 0, tags=("inner_oval_2", "inner_corner_part"))
self.canvas.create_oval(0, 0, 0, 0, tags=("inner_oval_3", "inner_corner_part"))
self.canvas.create_oval(0, 0, 0, 0, tags=("inner_oval_4", "inner_corner_part"))
self.canvas.coords("inner_oval_1", (self.border_width,
self.border_width,
self.border_width + self.inner_corner_radius * 2,
self.border_width + self.inner_corner_radius * 2))
self.canvas_fg_parts.append(self.canvas.create_oval(self.width - self.border_width - self.inner_corner_radius * 2,
self.canvas.coords("inner_oval_2", (self.width - self.border_width - self.inner_corner_radius * 2,
self.border_width,
self.width - self.border_width,
self.border_width + self.inner_corner_radius * 2))
self.canvas_fg_parts.append(self.canvas.create_oval(self.border_width,
self.canvas.coords("inner_oval_3", (self.border_width,
self.height - self.border_width - self.inner_corner_radius * 2,
self.border_width + self.inner_corner_radius * 2,
self.height-self.border_width))
self.canvas_fg_parts.append(self.canvas.create_oval(self.width - self.border_width - self.inner_corner_radius * 2,
self.canvas.coords("inner_oval_4", (self.width - self.border_width - self.inner_corner_radius * 2,
self.height - self.border_width - self.inner_corner_radius * 2,
self.width - self.border_width,
self.height - self.border_width))
else:
self.canvas.delete("inner_corner_part") # delete inner corner parts if not needed
self.canvas_fg_parts.append(self.canvas.create_rectangle(self.border_width + self.inner_corner_radius,
# create canvas inner rectangle parts if not already created
if not self.canvas.find_withtag("inner_rectangle_part"):
self.canvas.create_rectangle(0, 0, 0, 0, tags=("inner_rectangle_1", "inner_rectangle_part"))
self.canvas.create_rectangle(0, 0, 0, 0, tags=("inner_rectangle_2", "inner_rectangle_part"))
self.canvas.coords("inner_rectangle_1", (self.border_width + self.inner_corner_radius,
self.border_width,
self.width - self.border_width - self.inner_corner_radius,
self.height - self.border_width))
self.canvas_fg_parts.append(self.canvas.create_rectangle(self.border_width,
self.canvas.coords("inner_rectangle_2", (self.border_width,
self.border_width + self.inner_corner_radius,
self.width - self.border_width,
self.height - self.inner_corner_radius - self.border_width))
if no_color_updates is False:
# set color for inner button parts
for part in self.canvas_fg_parts:
if self.state == tkinter.DISABLED:
self.canvas.itemconfig(part,
self.canvas.itemconfig("inner_corner_part",
fill=CTkColorManager.darken_hex_color(CTkColorManager.single_color(self.fg_color, self.appearance_mode)),
width=0)
self.canvas.itemconfig("inner_rectangle_part",
fill=CTkColorManager.darken_hex_color(CTkColorManager.single_color(self.fg_color, self.appearance_mode)),
width=0)
else:
self.canvas.itemconfig(part, fill=CTkColorManager.single_color(self.fg_color, self.appearance_mode), width=0)
self.canvas.itemconfig("inner_corner_part", fill=CTkColorManager.single_color(self.fg_color, self.appearance_mode), width=0)
self.canvas.itemconfig("inner_rectangle_part", fill=CTkColorManager.single_color(self.fg_color, self.appearance_mode), width=0)
# set color for the button border parts (outline)
for part in self.canvas_border_parts:
self.canvas.itemconfig(part, fill=CTkColorManager.single_color(self.border_color, self.appearance_mode), width=0)
self.canvas.itemconfig("border_corner_part", fill=CTkColorManager.single_color(self.border_color, self.appearance_mode), width=0)
self.canvas.itemconfig("border_rectangle_part", fill=CTkColorManager.single_color(self.border_color, self.appearance_mode), width=0)
if no_label_updates is False:
# create text label if text given
if self.text is not None and self.text != "":
self.text_label = tkinter.Label(master=self, text=self.text, font=self.text_font)
@ -244,22 +273,22 @@ class CTkButton(tkinter.Frame):
# create grid layout with just text given
if self.image_label is None and self.text_label is not None:
self.text_label.grid(row=0, column=0, padx=self.corner_radius, rowspan=2, columnspan=2)
self.text_label.grid(row=0, column=0, padx=self.corner_radius, pady=self.border_width, rowspan=2, columnspan=2)
# create grid layout of image and text label in 2x2 grid system with given compound
if self.image_label is not None and self.text_label is not None:
if self.compound == tkinter.LEFT or self.compound == "left":
self.image_label.grid(row=0, column=0, padx=self.corner_radius, sticky="e", rowspan=2)
self.text_label.grid(row=0, column=1, padx=self.corner_radius, sticky="w", rowspan=2)
self.text_label.grid(row=0, column=1, padx=self.corner_radius, sticky="w", rowspan=2, pady=self.border_width)
elif self.compound == tkinter.TOP or self.compound == "top":
self.image_label.grid(row=0, column=0, padx=self.corner_radius, sticky="s", columnspan=2)
self.text_label.grid(row=1, column=0, padx=self.corner_radius, sticky="n", columnspan=2)
self.text_label.grid(row=1, column=0, padx=self.corner_radius, sticky="n", columnspan=2, pady=self.border_width)
elif self.compound == tkinter.RIGHT or self.compound == "right":
self.image_label.grid(row=0, column=1, padx=self.corner_radius, sticky="w", rowspan=2)
self.text_label.grid(row=0, column=0, padx=self.corner_radius, sticky="e", rowspan=2)
self.text_label.grid(row=0, column=0, padx=self.corner_radius, sticky="e", rowspan=2, pady=self.border_width)
elif self.compound == tkinter.BOTTOM or self.compound == "bottom":
self.image_label.grid(row=1, column=0, padx=self.corner_radius, sticky="n", columnspan=2)
self.text_label.grid(row=0, column=0, padx=self.corner_radius, sticky="s", columnspan=2)
self.text_label.grid(row=0, column=0, padx=self.corner_radius, sticky="s", columnspan=2, pady=self.border_width)
def config(self, *args, **kwargs):
self.configure(*args, **kwargs)
@ -339,8 +368,8 @@ class CTkButton(tkinter.Frame):
def on_enter(self, event=0):
if self.hover is True:
# set color of inner button parts to hover color
for part in self.canvas_fg_parts:
self.canvas.itemconfig(part, fill=CTkColorManager.single_color(self.hover_color, self.appearance_mode), width=0)
self.canvas.itemconfig("inner_corner_part", fill=CTkColorManager.single_color(self.hover_color, self.appearance_mode), width=0)
self.canvas.itemconfig("inner_rectangle_part", fill=CTkColorManager.single_color(self.hover_color, self.appearance_mode), width=0)
# set text_label bg color to button hover color
if self.text_label is not None:
@ -353,8 +382,8 @@ class CTkButton(tkinter.Frame):
def on_leave(self, event=0):
if self.hover is True:
# set color of inner button parts
for part in self.canvas_fg_parts:
self.canvas.itemconfig(part, fill=CTkColorManager.single_color(self.fg_color, self.appearance_mode), width=0)
self.canvas.itemconfig("inner_corner_part", fill=CTkColorManager.single_color(self.fg_color, self.appearance_mode), width=0)
self.canvas.itemconfig("inner_rectangle_part", fill=CTkColorManager.single_color(self.fg_color, self.appearance_mode), width=0)
# set text_label bg color (label color)
if self.text_label is not None:

2
examples/complex_example_other_style.py
View File

@ -58,7 +58,7 @@ class App(tkinter.Tk):
text="CTkButton",
command=self.button_event,
border_width=2,
corner_radius=0)
corner_radius=10)
self.button_1.place(relx=0.5, y=50, anchor=tkinter.CENTER)
self.button_2 = customtkinter.CTkButton(master=self.frame_left,