mirror of
https://github.com/TomSchimansky/CustomTkinter.git
synced 2023-08-10 21:13:13 +03:00
258 lines
11 KiB
Python
258 lines
11 KiB
Python
import tkinter
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import math
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from .ctk_canvas import CTkCanvas
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from ..theme_manager import ThemeManager
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from ..draw_engine import DrawEngine
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from .widget_base_class import CTkBaseClass
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class CTkProgressBar(CTkBaseClass):
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""" tkinter custom progressbar, values from 0 to 1 """
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def __init__(self, *args,
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variable=None,
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bg_color=None,
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border_color="default_theme",
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fg_color="default_theme",
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progress_color="default_theme",
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corner_radius="default_theme",
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width=None,
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height=None,
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border_width="default_theme",
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orient="horizontal",
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mode="determinate",
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determinate_speed=1,
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indeterminate_speed=1,
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**kwargs):
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# set default dimensions according to orientation
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if width is None:
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if orient.lower() == "vertical":
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width = 8
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else:
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width = 200
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if height is None:
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if orient.lower() == "vertical":
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height = 200
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else:
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height = 8
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# transfer basic functionality (bg_color, size, _appearance_mode, scaling) to CTkBaseClass
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super().__init__(*args, bg_color=bg_color, width=width, height=height, **kwargs)
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# color
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self.border_color = ThemeManager.theme["color"]["progressbar_border"] if border_color == "default_theme" else border_color
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self.fg_color = ThemeManager.theme["color"]["progressbar"] if fg_color == "default_theme" else fg_color
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self.progress_color = ThemeManager.theme["color"]["progressbar_progress"] if progress_color == "default_theme" else progress_color
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# control variable
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self.variable = variable
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self.variable_callback_blocked = False
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self.variable_callback_name = None
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# shape
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self.corner_radius = ThemeManager.theme["shape"]["progressbar_corner_radius"] if corner_radius == "default_theme" else corner_radius
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self.border_width = ThemeManager.theme["shape"]["progressbar_border_width"] if border_width == "default_theme" else border_width
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self.determinate_value = 0.5 # range 0-1
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self.determinate_speed = determinate_speed # range 0-1
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self.indeterminate_value = 0 # range 0-inf
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self.indeterminate_width = 0.4 # range 0-1
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self.indeterminate_speed = indeterminate_speed # range 0-1 to travel in 50ms
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self.loop_running = False
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self.orient = orient
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self.mode = mode # "determinate" or "indeterminate"
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self.grid_rowconfigure(0, weight=1)
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self.grid_columnconfigure(0, weight=1)
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self.canvas = CTkCanvas(master=self,
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highlightthickness=0,
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width=self.apply_widget_scaling(self._desired_width),
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height=self.apply_widget_scaling(self._desired_height))
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self.canvas.grid(row=0, column=0, rowspan=1, columnspan=1, sticky="nswe")
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self.draw_engine = DrawEngine(self.canvas)
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# Each time an item is resized due to pack position mode, the binding Configure is called on the widget
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self.bind('<Configure>', self.update_dimensions_event)
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self.draw() # initial draw
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if self.variable is not None:
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self.variable_callback_name = self.variable.trace_add("write", self.variable_callback)
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self.variable_callback_blocked = True
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self.set(self.variable.get(), from_variable_callback=True)
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self.variable_callback_blocked = False
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def set_scaling(self, *args, **kwargs):
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super().set_scaling(*args, **kwargs)
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self.canvas.configure(width=self.apply_widget_scaling(self._desired_width), height=self.apply_widget_scaling(self._desired_height))
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self.draw()
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def set_dimensions(self, width=None, height=None):
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super().set_dimensions(width, height)
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self.canvas.configure(width=self.apply_widget_scaling(self._desired_width),
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height=self.apply_widget_scaling(self._desired_height))
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self.draw()
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def destroy(self):
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if self.variable is not None:
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self.variable.trace_remove("write", self.variable_callback_name)
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super().destroy()
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def draw(self, no_color_updates=False):
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if self.orient.lower() == "horizontal":
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orientation = "w"
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elif self.orient.lower() == "vertical":
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orientation = "s"
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else:
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orientation = "w"
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if self.mode == "determinate":
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requires_recoloring = self.draw_engine.draw_rounded_progress_bar_with_border(self.apply_widget_scaling(self._current_width),
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self.apply_widget_scaling(self._current_height),
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self.apply_widget_scaling(self.corner_radius),
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self.apply_widget_scaling(self.border_width),
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0,
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self.determinate_value,
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orientation)
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else: # indeterminate mode
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progress_value = (math.sin(self.indeterminate_value * math.pi / 40) + 1) / 2
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progress_value_1 = min(1.0, progress_value + (self.indeterminate_width / 2))
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progress_value_2 = max(0.0, progress_value - (self.indeterminate_width / 2))
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requires_recoloring = self.draw_engine.draw_rounded_progress_bar_with_border(self.apply_widget_scaling(self._current_width),
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self.apply_widget_scaling(self._current_height),
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self.apply_widget_scaling(self.corner_radius),
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self.apply_widget_scaling(self.border_width),
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progress_value_1,
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progress_value_2,
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orientation)
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if no_color_updates is False or requires_recoloring:
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self.canvas.configure(bg=ThemeManager.single_color(self.bg_color, self._appearance_mode))
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self.canvas.itemconfig("border_parts",
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fill=ThemeManager.single_color(self.border_color, self._appearance_mode),
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outline=ThemeManager.single_color(self.border_color, self._appearance_mode))
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self.canvas.itemconfig("inner_parts",
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fill=ThemeManager.single_color(self.fg_color, self._appearance_mode),
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outline=ThemeManager.single_color(self.fg_color, self._appearance_mode))
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self.canvas.itemconfig("progress_parts",
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fill=ThemeManager.single_color(self.progress_color, self._appearance_mode),
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outline=ThemeManager.single_color(self.progress_color, self._appearance_mode))
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def configure(self, require_redraw=False, **kwargs):
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if "fg_color" in kwargs:
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self.fg_color = kwargs["fg_color"]
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del kwargs["fg_color"]
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require_redraw = True
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if "border_color" in kwargs:
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self.border_color = kwargs["border_color"]
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del kwargs["border_color"]
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require_redraw = True
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if "progress_color" in kwargs:
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self.progress_color = kwargs["progress_color"]
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del kwargs["progress_color"]
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require_redraw = True
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if "border_width" in kwargs:
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self.border_width = kwargs["border_width"]
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del kwargs["border_width"]
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require_redraw = True
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if "variable" in kwargs:
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if self.variable is not None:
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self.variable.trace_remove("write", self.variable_callback_name)
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self.variable = kwargs["variable"]
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if self.variable is not None and self.variable != "":
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self.variable_callback_name = self.variable.trace_add("write", self.variable_callback)
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self.set(self.variable.get(), from_variable_callback=True)
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else:
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self.variable = None
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del kwargs["variable"]
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if "mode" in kwargs:
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self.mode = kwargs.pop("mode")
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require_redraw = True
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if "determinate_speed" in kwargs:
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self.determinate_speed = kwargs.pop("determinate_speed")
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if "indeterminate_speed" in kwargs:
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self.indeterminate_speed = kwargs.pop("indeterminate_speed")
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if "width" in kwargs:
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self.set_dimensions(width=kwargs["width"])
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del kwargs["width"]
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if "height" in kwargs:
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self.set_dimensions(height=kwargs["height"])
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del kwargs["height"]
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super().configure(require_redraw=require_redraw, **kwargs)
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def variable_callback(self, var_name, index, mode):
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if not self.variable_callback_blocked:
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self.set(self.variable.get(), from_variable_callback=True)
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def set(self, value, from_variable_callback=False):
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""" set determinate value """
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self.determinate_value = value
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if self.determinate_value > 1:
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self.determinate_value = 1
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elif self.determinate_value < 0:
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self.determinate_value = 0
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self.draw(no_color_updates=True)
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if self.variable is not None and not from_variable_callback:
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self.variable_callback_blocked = True
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self.variable.set(round(self.determinate_value) if isinstance(self.variable, tkinter.IntVar) else self.determinate_value)
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self.variable_callback_blocked = False
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def get(self):
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""" get determinate value """
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return self.determinate_value
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def start(self):
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""" start indeterminate mode """
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if not self.loop_running:
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self.loop_running = True
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self.internal_loop()
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def stop(self):
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""" stop indeterminate mode """
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self.loop_running = False
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def internal_loop(self):
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if self.loop_running:
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if self.mode == "determinate":
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self.determinate_value += self.determinate_speed / 50
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if self.determinate_value > 1:
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self.determinate_value -= 1
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self.draw()
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self.after(20, self.internal_loop)
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else:
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self.indeterminate_value += self.indeterminate_speed
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self.draw()
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self.after(20, self.internal_loop)
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def step(self):
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if self.mode == "determinate":
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self.determinate_value += self.determinate_speed / 50
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if self.determinate_value > 1:
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self.determinate_value -= 1
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self.draw()
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else:
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self.indeterminate_value += self.indeterminate_speed
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self.draw()
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