♻️ Refactor generators and add an about window

For #36

requirements.txt

@@ -4,3 +4,5 @@ pygame~=2.4.0
 customtkinter~=5.1.3
 configparser~=5.3.0
 CTkToolTip~=0.4
+requests~=2.32.3
+CTkMenuBar~=0.8

src/element/image.py

@@ -10,6 +10,7 @@ class ImagePlaceholder:
         self.is_break = False
         self.current_image = None
         self.current_original_image = None
+        self.paused_original_image = None
         self.image_window = image_window
         self.images = images.copy()
 
@@ -61,3 +62,16 @@ class ImagePlaceholder:
         self.image_label.configure(bg="#e8d4bc" if self.is_break else "#FFFFFF")
         self.image_label.configure(image=image_to_display)
         self.image_label.image = image_to_display
+
+    def pause(self, pause=True, cheat=False):
+        if pause:
+            self.paused_original_image = self.current_original_image
+            if not cheat:
+                image_path = 'assets/images/break.jpg'
+                self.current_original_image = Image.open(image_path)
+        else:
+            self.current_original_image = self.paused_original_image
+            self.paused_original_image = None
+
+        self.current_image = copy.deepcopy(self.current_original_image)
+        self.apply_options()

src/element/toolbar.py

@@ -3,6 +3,7 @@ import subprocess
 import sys
 from tkinter import *
 from tkinter.ttk import Progressbar, Style
+from tkinter.messagebox import *
 
 import customtkinter
 from CTkToolTip import *
@@ -14,6 +15,7 @@ from src.util import Util
 class Toolbar:
     def __init__(self, image_window, timer):
         self.timers = []
+        self.is_paused = False
         self.current_image = None
         self.current_original_image = None
         self.image_window = image_window
@@ -29,6 +31,11 @@ class Toolbar:
         next_button.pack(side=LEFT, padx=0, pady=0)
         CTkToolTip(next_button, delay=0.1, message="Next", y_offset=-40, x_offset=-40)
 
+        pause_button = customtkinter.CTkButton(toolbar, image=ImageTk.PhotoImage(Image.open("assets/icons/pause.png")),
+                                              text="", command=self.pause)
+        pause_button.pack(side=LEFT, padx=0, pady=0)
+        CTkToolTip(pause_button, delay=0.1, message="Next", y_offset=-40, x_offset=-40)
+
         self.bw_button = customtkinter.CTkButton(toolbar, image=ImageTk.PhotoImage(Image.open("assets/icons/black-and"
                                                                                               "-white.png")),
                                                  text="", command=self.toggle_black_white)
@@ -58,7 +65,7 @@ class Toolbar:
         CTkToolTip(self.fullscreen_button, delay=0.1, message="Fullscreen", y_offset=-40, x_offset=-40)
 
         timer_button = customtkinter.CTkButton(toolbar, command=self.toggle_timer, text="",
-                                               image=ImageTk.PhotoImage(Image.open("assets/icons/timer.png")))
+                                               image=ImageTk.PhotoImage(Image.open("assets/icons/sand-clock.png")))
         timer_button.pack(side=LEFT, padx=0, pady=0)
         CTkToolTip(timer_button, delay=0.1, message="Toggle timer", y_offset=-40, x_offset=-40)
 
@@ -147,3 +154,23 @@ class Toolbar:
             "fullscreen"] else Util.get_default_button_color())
 
         self.image_window.window.attributes("-fullscreen", self.image_window.option["fullscreen"])
+
+    def pause(self):
+        cheating = False
+
+        if not self.is_paused:
+            cheating = askyesno("Pause", "Laisser l'image affichée ?")
+            self.is_paused = True
+        else:
+            self.is_paused = False
+
+        # timer is paused whatever happened
+        if self.timer_check is not None:
+            self.image_window.window.after_cancel(self.timer_check)
+            self.timer_check = None
+        else:
+            self.timer_check = self.image_window.window.after(
+                1000, self.update_timer, int((100-self.progressbar['value'])*self.timer/100)
+            )
+
+        self.image_window.image.pause(pause=self.is_paused, cheat=cheating)

src/entity/generator.py

@@ -0,0 +1,41 @@
+from datetime import datetime
+import os
+import io
+import tempfile
+import requests
+from PIL import Image
+
+
+class Generator(object):
+
+    def __init__(self, generator=None, folder=None):
+        self.selected_folder = folder
+        if generator == 'poses':
+            self.generate_poses()
+
+    def generate_poses(self):
+        dt = datetime.now()
+        ts = int(datetime.timestamp(dt))
+        url = 'https://quickposes.com/ajax/getPosesForSlider/Chiaroscuro?_=' + str(ts)
+
+        resp_json = requests.get(url=url)
+        if resp_json.status_code == 200:
+            data = resp_json.json()
+            c = 0
+            for src in data:
+                if os.path.exists(os.path.join(self.selected_folder, src['src'])):
+                    continue
+                if c >= 3:
+                    break
+                buffer = tempfile.SpooledTemporaryFile(max_size=1e9)
+                r = requests.get('https://quickposes.com/assets/poses/' + src['src'], stream=True)
+                if r.status_code == 200:
+                    downloaded = 0
+                    for chunk in r.iter_content(chunk_size=1024):
+                        downloaded += len(chunk)
+                        buffer.write(chunk)
+                    buffer.seek(0)
+                    i = Image.open(io.BytesIO(buffer.read()))
+                    i.save(os.path.join(self.selected_folder, src['src']), quality=85)
+                buffer.close()
+                c += 1

src/window/about.py

@@ -0,0 +1,30 @@
+import webbrowser
+
+import customtkinter
+from customtkinter import CTkToplevel
+
+
+class AboutWindow:
+    def __init__(self, app):
+        self.app = app
+
+        self.window = CTkToplevel(app.root)
+        self.window.title("À propos")
+        self.window.geometry("600x300")
+        self.window.protocol("WM_DELETE_WINDOW", self.on_closing)
+
+        link_gesture_drawing = customtkinter.CTkLabel(self.window, text="Open Source alternative to GestureDrawing!")
+        link_gesture_drawing.pack()
+        link_gesture_drawing.bind("<Button-1>",
+                                  lambda e: self.open_link("https://cubebrush.co/advanches/products/d9q6yq/gesturedrawing"))
+
+        link_shikiryu = customtkinter.CTkLabel(self.window, text="by Shikiryu")
+        link_shikiryu.pack()
+        link_shikiryu.bind("<Button-1>", lambda e: self.open_link("https://shikiryu.com"))
+
+    @staticmethod
+    def open_link(url):
+        webbrowser.open_new(url)
+
+    def on_closing(self):
+        self.window.destroy()

src/window/app.py

@@ -4,9 +4,12 @@ from tkinter import *
 from tkinter import filedialog
 import customtkinter
 from src.entity.config import Config
+from src.entity.generator import Generator
 from src.util import Util
+from src.window.about import AboutWindow
 from src.window.image import ImageWindow
 from src.window.session import SessionWindow
+from CTkMenuBar import *
 
 
 class App:
@@ -22,6 +25,17 @@ class App:
         self.selected_folder = ""
         self.found_images = []
         self.timer = 0
+
+        menu = CTkMenuBar(master=root)
+        generate_button = menu.add_cascade("Generate")
+        help_button = menu.add_cascade("Help")
+
+        dropdown = CustomDropdownMenu(widget=generate_button)
+        dropdown.add_option(option="Poses", command=lambda:self.download_poses('poses'))
+
+        about = CustomDropdownMenu(widget=help_button)
+        about.add_option(option="À propos", command=self.show_help)
+
         self.title = customtkinter.CTkLabel(root, text="Drawing Training")
         self.title.pack()
 
@@ -49,7 +63,8 @@ class App:
 
         self.buttons = []
         for i, timer in enumerate(timers):
-            new_button = customtkinter.CTkButton(self.button_frame, width=10, text=timer, command=lambda t=timer: self.set_timer_in_seconds(t))
+            new_button = customtkinter.CTkButton(self.button_frame, width=10, text=timer,
+                                                 command=lambda t=timer: self.set_timer_in_seconds(t))
             new_button.pack(side=tkinter.LEFT, fill=X, expand=True)
             self.buttons.append(new_button)
 
@@ -66,6 +81,9 @@ class App:
         except Exception:
             pass
 
+    def show_help(self):
+        AboutWindow(self)
+
     def lets_draw(self):
         self.image_window = ImageWindow(self)
         self.image_window.lets_draw(self.found_images.copy(), self.timer)
@@ -83,6 +101,10 @@ class App:
             self.find_images_in_folder()
             self.check_lets_draw()
 
+    def download_poses(self, generator=None):
+        Generator(generator=generator, folder=self.selected_folder)
+        self.find_images_in_folder()
+
     def find_images_in_folder(self):
         if Path(self.selected_folder).exists():
             self.found_images = list(
@@ -99,7 +121,8 @@ class App:
     def set_timer_in_seconds(self, user_data):
         # resetting buttons states
         for button in self.buttons:
-            button.configure(fg_color=(Util.get_default_button_color() if user_data != button.cget("text") else Util.get_default_active_button_color()))
+            button.configure(fg_color=(Util.get_default_button_color() if user_data != button.cget(
+                "text") else Util.get_default_active_button_color()))
 
         self.custom = False
         if user_data == "Custom":