From: Jakob <jakob@jcornell.net>
Date: Wed, 25 Dec 2019 04:01:24 +0000 (-0600)
Subject: Aesthetic improvements
X-Git-Url: https://jcornell.net/gitweb/gitweb.cgi?a=commitdiff_plain;h=3ca5b40b66f9abc3d0e9590fbd185ef79fa3569f;p=tutoring-tool.git

Aesthetic improvements
---

diff --git a/main.py b/main.py
index 91e7c40..2f007b7 100644
--- a/main.py
+++ b/main.py
@@ -16,6 +16,14 @@ from tkinter import (
 
 TK_PAD = {'padx': 5, 'pady': 5}
 
+def center_on_parent(child, parent):
+	center_x = int(parent.winfo_rootx() + parent.winfo_width() / 2)
+	center_y = int(parent.winfo_rooty() + parent.winfo_height() / 2)
+	child.update()
+	x = int(center_x - child.winfo_width() / 2)
+	y = int(center_y - child.winfo_height() / 2)
+	child.geometry('+{}+{}'.format(x, y))
+
 
 class Linkable:
 	def on_linked(self):
@@ -202,6 +210,7 @@ class MainView(View):
 		def on_gen_plot():
 			dialog = tk.Toplevel(self.root)
 			dialog.title("Generate plot")
+			dialog.minsize(250, 0)
 			type_var = tk.StringVar(self.root)
 			select_frame = tk.Frame(dialog)
 			type_select = ttk.OptionMenu(select_frame, type_var)
@@ -229,6 +238,7 @@ class MainView(View):
 			type_select.pack(side = 'left', **TK_PAD)
 			select_frame.pack(**TK_PAD)
 			gen_btn.pack(**TK_PAD)
+			center_on_parent(dialog, self.root)
 		self.gen_plot_btn = ttk.Button(actions_frame, text = "Generate plot", command = on_gen_plot)
 
 		self.student_sel.pack(**TK_PAD, side = tk.LEFT)