moved coretk under daemon/core/gui

daemon/core/gui/dialogs/canvaswallpaper.py

@@ -0,0 +1,179 @@
+"""
+set wallpaper
+"""
+import logging
+import tkinter as tk
+from tkinter import ttk
+
+from core.gui.appconfig import BACKGROUNDS_PATH
+from core.gui.dialogs.dialog import Dialog
+from core.gui.images import Images
+from core.gui.themes import PADX, PADY
+from core.gui.widgets import image_chooser
+
+
+class CanvasBackgroundDialog(Dialog):
+    def __init__(self, master, app):
+        """
+        create an instance of CanvasWallpaper object
+
+        :param coretk.app.Application app: root application
+        """
+        super().__init__(master, app, "Canvas Background", modal=True)
+        self.canvas = self.app.canvas
+        self.scale_option = tk.IntVar(value=self.canvas.scale_option.get())
+        self.show_grid = tk.BooleanVar(value=self.canvas.show_grid.get())
+        self.adjust_to_dim = tk.BooleanVar(value=self.canvas.adjust_to_dim.get())
+        self.filename = tk.StringVar(value=self.canvas.wallpaper_file)
+        self.image_label = None
+        self.options = []
+        self.draw()
+
+    def draw(self):
+        self.top.columnconfigure(0, weight=1)
+        self.draw_image()
+        self.draw_image_label()
+        self.draw_image_selection()
+        self.draw_options()
+        self.draw_additional_options()
+        self.draw_spacer()
+        self.draw_buttons()
+
+    def draw_image(self):
+        self.image_label = ttk.Label(
+            self.top, text="(image preview)", width=32, anchor=tk.CENTER
+        )
+        self.image_label.grid(pady=PADY)
+
+    def draw_image_label(self):
+        label = ttk.Label(self.top, text="Image filename: ")
+        label.grid(sticky="ew")
+        if self.filename.get():
+            self.draw_preview()
+
+    def draw_image_selection(self):
+        frame = ttk.Frame(self.top)
+        frame.columnconfigure(0, weight=2)
+        frame.columnconfigure(1, weight=1)
+        frame.columnconfigure(2, weight=1)
+        frame.grid(sticky="ew")
+
+        entry = ttk.Entry(frame, textvariable=self.filename)
+        entry.focus()
+        entry.grid(row=0, column=0, sticky="ew", padx=PADX)
+
+        button = ttk.Button(frame, text="...", command=self.click_open_image)
+        button.grid(row=0, column=1, sticky="ew", padx=PADX)
+
+        button = ttk.Button(frame, text="Clear", command=self.click_clear)
+        button.grid(row=0, column=2, sticky="ew")
+
+    def draw_options(self):
+        frame = ttk.Frame(self.top)
+        frame.columnconfigure(0, weight=1)
+        frame.columnconfigure(1, weight=1)
+        frame.columnconfigure(2, weight=1)
+        frame.columnconfigure(3, weight=1)
+        frame.grid(sticky="ew")
+
+        button = ttk.Radiobutton(
+            frame, text="upper-left", value=1, variable=self.scale_option
+        )
+        button.grid(row=0, column=0, sticky="ew")
+        self.options.append(button)
+
+        button = ttk.Radiobutton(
+            frame, text="centered", value=2, variable=self.scale_option
+        )
+        button.grid(row=0, column=1, sticky="ew")
+        self.options.append(button)
+
+        button = ttk.Radiobutton(
+            frame, text="scaled", value=3, variable=self.scale_option
+        )
+        button.grid(row=0, column=2, sticky="ew")
+        self.options.append(button)
+
+        button = ttk.Radiobutton(
+            frame, text="titled", value=4, variable=self.scale_option
+        )
+        button.grid(row=0, column=3, sticky="ew")
+        self.options.append(button)
+
+    def draw_additional_options(self):
+        checkbutton = ttk.Checkbutton(
+            self.top, text="Show grid", variable=self.show_grid
+        )
+        checkbutton.grid(sticky="ew", padx=PADX)
+
+        checkbutton = ttk.Checkbutton(
+            self.top,
+            text="Adjust canvas size to image dimensions",
+            variable=self.adjust_to_dim,
+            command=self.click_adjust_canvas,
+        )
+        checkbutton.grid(sticky="ew", padx=PADX)
+
+    def draw_buttons(self):
+        frame = ttk.Frame(self.top)
+        frame.grid(pady=PADY, sticky="ew")
+        frame.columnconfigure(0, weight=1)
+        frame.columnconfigure(1, weight=1)
+
+        button = ttk.Button(frame, text="Apply", command=self.click_apply)
+        button.grid(row=0, column=0, sticky="ew", padx=PADX)
+
+        button = ttk.Button(frame, text="Cancel", command=self.destroy)
+        button.grid(row=0, column=1, sticky="ew")
+
+    def click_open_image(self):
+        filename = image_chooser(self, BACKGROUNDS_PATH)
+        if filename:
+            self.filename.set(filename)
+            self.draw_preview()
+
+    def draw_preview(self):
+        image = Images.create(self.filename.get(), 250, 135)
+        self.image_label.config(image=image)
+        self.image_label.image = image
+
+    def click_clear(self):
+        """
+        delete like shown in image link entry if there is any
+
+        :return: nothing
+        """
+        # delete entry
+        self.filename.set("")
+        # delete display image
+        self.image_label.config(image="", width=32)
+        self.image_label.image = None
+
+    def click_adjust_canvas(self):
+        # deselect all radio buttons and grey them out
+        if self.adjust_to_dim.get():
+            self.scale_option.set(0)
+            for option in self.options:
+                option.config(state=tk.DISABLED)
+        # turn back the radio button to active state so that user can choose again
+        else:
+            self.scale_option.set(1)
+            for option in self.options:
+                option.config(state=tk.NORMAL)
+
+    def click_apply(self):
+        self.canvas.scale_option.set(self.scale_option.get())
+        self.canvas.show_grid.set(self.show_grid.get())
+        self.canvas.adjust_to_dim.set(self.adjust_to_dim.get())
+        self.canvas.update_grid()
+
+        filename = self.filename.get()
+        if not filename:
+            filename = None
+
+        try:
+            self.canvas.set_wallpaper(filename)
+        except FileNotFoundError:
+            logging.error("invalid background: %s", filename)
+
+        self.destroy()