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PowerCalc
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Attempting to implement scrolling

This commit is contained in:
CreepyCrafter24 2019-12-13 13:10:49 +01:00
parent 5980021e5f
commit 55852108c4
2 changed files with 45 additions and 25 deletions
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25
PowerCalc/MainForm.Designer.cs generated
View File

@ -38,12 +38,12 @@
this.calcLabel3 = new System.Windows.Forms.Label();
this.calcLabel4 = new System.Windows.Forms.Label();
this.splitContainer = new System.Windows.Forms.SplitContainer();
this.saveButton = new System.Windows.Forms.Button();
this.coordLabel = new System.Windows.Forms.Label();
this.evalButton = new System.Windows.Forms.Button();
this.logExpandButton = new System.Windows.Forms.Button();
this.logBox = new System.Windows.Forms.TextBox();
this.logCollapseButton = new System.Windows.Forms.Button();
this.saveButton = new System.Windows.Forms.Button();
((System.ComponentModel.ISupportInitialize)(this.splitContainer)).BeginInit();
this.splitContainer.Panel1.SuspendLayout();
this.splitContainer.Panel2.SuspendLayout();
@ -62,6 +62,7 @@
this.evalBox.Size = new System.Drawing.Size(254, 145);
this.evalBox.TabIndex = 0;
this.evalBox.Paint += new System.Windows.Forms.PaintEventHandler(this.evalBox_Paint);
this.evalBox.MouseDown += new System.Windows.Forms.MouseEventHandler(this.evalBox_MouseDown);
this.evalBox.MouseLeave += new System.EventHandler(this.evalBox_MouseLeave);
this.evalBox.MouseMove += new System.Windows.Forms.MouseEventHandler(this.evalBox_MouseMove);
//
@ -183,6 +184,17 @@
this.splitContainer.SplitterDistance = 260;
this.splitContainer.TabIndex = 9;
//
// saveButton
//
this.saveButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.saveButton.Location = new System.Drawing.Point(39, 150);
this.saveButton.Name = "saveButton";
this.saveButton.Size = new System.Drawing.Size(23, 23);
this.saveButton.TabIndex = 11;
this.saveButton.Text = "💾";
this.saveButton.UseVisualStyleBackColor = true;
this.saveButton.Click += new System.EventHandler(this.saveButton_Click);
//
// coordLabel
//
this.coordLabel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
@ -236,17 +248,6 @@
this.logCollapseButton.UseVisualStyleBackColor = true;
this.logCollapseButton.Click += new System.EventHandler(this.logCollapseButton_Click);
//
// saveButton
//
this.saveButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.saveButton.Location = new System.Drawing.Point(39, 150);
this.saveButton.Name = "saveButton";
this.saveButton.Size = new System.Drawing.Size(23, 23);
this.saveButton.TabIndex = 11;
this.saveButton.Text = "💾";
this.saveButton.UseVisualStyleBackColor = true;
this.saveButton.Click += new System.EventHandler(this.saveButton_Click);
//
// MainForm
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);

45
PowerCalc/MainForm.cs
View File

@ -2,6 +2,7 @@
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Linq;
using System.Windows.Forms;
@ -10,6 +11,9 @@ namespace PowerCalc
{
public partial class MainForm : Form
{
public decimal offX = 0;
public decimal offY = 0;
Point offStart = Point.Empty;
public MainForm()
{
InitializeComponent();
@ -35,9 +39,9 @@ namespace PowerCalc
private void eval(object sender, EventArgs e) => evalBox.Invalidate();
private void log(string text)
private void log(object text)
{
Invoke((MethodInvoker)delegate () { logBox.Text = text + "\r\n" + logBox.Text; });
logBox.Lines = new string[] { text.ToString() }.Concat(logBox.Lines).Where((s, i) => i < 30).ToArray();
#if DEBUG
Console.WriteLine(text);
#endif
@ -49,7 +53,11 @@ namespace PowerCalc
try
{
Graphics g = e.Graphics;
g.Clear(Color.White);
g.SmoothingMode = SmoothingMode.None;
g.InterpolationMode = InterpolationMode.Low;
g.CompositingQuality = CompositingQuality.HighSpeed;
g.PixelOffsetMode = PixelOffsetMode.None;
g.CompositingMode = CompositingMode.SourceCopy;
List<Tuple<Color, List<PointF>, Expression>> lines = new List<Tuple<Color, List<PointF>, Expression>>
{
new Tuple<Color, List<PointF>, Expression>(Color.Red, new List<PointF>(), new Expression(calcBox1.Text)),
@ -57,13 +65,12 @@ namespace PowerCalc
new Tuple<Color, List<PointF>, Expression>(Color.FromArgb(0, 192, 0), new List<PointF>(), new Expression(calcBox3.Text)),
new Tuple<Color, List<PointF>, Expression>(Color.FromArgb(0, 0, 192), new List<PointF>(), new Expression(calcBox4.Text))
};
for (int i = 0; i < evalBox.Width; i += 10)
g.DrawLine(Pens.LightGray, i, 0, i, evalBox.Height);
for (int i = evalBox.Height; i > 0; i -= 10)
g.DrawLine(Pens.LightGray, 0, i, evalBox.Width, i);
for (int i = (int)(offX % 10); i < evalBox.Width; i += 10)
g.DrawLine((offX - i == 0) ? Pens.Gray : Pens.LightGray, i, 0, i, evalBox.Height);
for (int i = evalBox.Height + (int)(offY % 10); i > 0; i -= 10)
g.DrawLine((evalBox.Height + (offY - i) == 0) ? Pens.Gray : Pens.LightGray, 0, i, evalBox.Width, i);
lines.ForEach(s =>
{
s.Item3.Parameters.Add("x", 0);
s.Item3.Parameters.Add("Pi", Math.PI);
s.Item3.Parameters.Add("pi", Math.PI);
s.Item3.Parameters.Add("PI", Math.PI);
@ -73,7 +80,7 @@ namespace PowerCalc
{
try
{
s.Item3.Parameters["x"] = i / 10;
s.Item3.Parameters["x"] = (i - (double)offX) / 10;
double val = -1;
object tmp = s.Item3.Evaluate();
if (tmp.GetType() == typeof(bool))
@ -103,8 +110,9 @@ namespace PowerCalc
else
log("Type mismatch! (" + tmp.GetType().ToString() + ")");
float val1 = Convert.ToSingle(val);
if (i >= 0 && i < evalBox.Width && val1 >= 0 && val1 < evalBox.Height)
s.Item2.Add(new PointF(Convert.ToSingle(i), evalBox.Height - (val1 * 10)));
float loc = Convert.ToSingle(evalBox.Height - ((val1 * 10) - (float)offY));
if (loc >= 0 && loc < evalBox.Height)
s.Item2.Add(new PointF(Convert.ToSingle(i), loc));
}
catch (Exception e1)
{
@ -122,7 +130,7 @@ namespace PowerCalc
}
catch (Exception e1)
{
log("FATAL: " + e1.ToString());
log(e1);
}
finally
{
@ -138,9 +146,20 @@ namespace PowerCalc
}
}
private void evalBox_MouseMove(object sender, MouseEventArgs e) => coordLabel.Text = new Point((int)Math.Round(e.X / 10d), (int)Math.Round((evalBox.Height - e.Y) / 10d)).ToString();
private void evalBox_MouseMove(object sender, MouseEventArgs e)
{
coordLabel.Text = new Point((int)Math.Round((double)(e.X - offX) / 10d), (int)Math.Round((double)((evalBox.Height - offY) - e.Y) / 10d)).ToString();
if ((e.Button & MouseButtons.Left) == MouseButtons.Left)
{
offX += e.X - offStart.X;
offY += e.Y - offStart.Y;
offStart = e.Location;
evalBox.Invalidate();
}
}
private void evalBox_MouseLeave(object sender, EventArgs e) => coordLabel.Text = Point.Empty.ToString().Replace("0", "");
private void evalBox_MouseDown(object sender, MouseEventArgs e) => offStart = e.Location;
private void saveButton_Click(object sender, EventArgs e)
{