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samuri25404
Grandmaster Cheater
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Joined: 04 May 2007
Posts: 955
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 Posted: Sat Oct 13, 2007 11:26 pm Post subject: [C#] Keyboard (Piano) |
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So basically, this is a Piano thing, that allows you to click a button, and that makes a sound corresponding to a specific note on a real piano.
This makes an API call to the kernel32.dll, and uses the BEEP function.
And sure, I could have dragged out every single button, and what not, but why do that when I can generate it? =D
~~~
Also, I made a menu, from which to load up the actual keyboard, and to load up the about, so here it is:
| Code: |
//Menu
using System;
using System.Windows.Forms;
namespace Keyboard
{
public partial class Main : Form
{
public Main()
{
InitializeComponent();
}
public static Keyboard keys = null;
public static Main main = new Main();
private void zeKeyboard_Click(object sender, EventArgs e)
{
keys = new Keyboard();
this.Hide();
keys.Show();
keys.Focus();
}
private void Main_Load(object sender, EventArgs e)
{
main = this;
}
private void zeAbout_Click(object sender, EventArgs e)
{
About about = new About();
about.Show();
}
}
}
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~~~
The actual keyboard:
| Code: |
//Keyboard
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
namespace Keyboard
{
public partial class Keyboard : Form
{
public Keyboard()
{
InitializeComponent();
_fipairs.Add(new FIPair(110, "A2"));
_fipairs.Add(new FIPair(116, "As2"));
_fipairs.Add(new FIPair(123, "B2"));
_fipairs.Add(new FIPair(130, "C3"));
_fipairs.Add(new FIPair(138, "Cs3"));
_fipairs.Add(new FIPair(146, "D3"));
_fipairs.Add(new FIPair(155, "Ds3"));
_fipairs.Add(new FIPair(164, "E3"));
_fipairs.Add(new FIPair(174, "F3"));
_fipairs.Add(new FIPair(185, "Fs3"));
_fipairs.Add(new FIPair(196, "G3"));
_fipairs.Add(new FIPair(207, "Gs3"));
_fipairs.Add(new FIPair(220, "A3"));
_fipairs.Add(new FIPair(233, "As3"));
_fipairs.Add(new FIPair(246, "B3"));
_fipairs.Add(new FIPair(261, "C4"));
_fipairs.Add(new FIPair(277, "Cs4"));
_fipairs.Add(new FIPair(293, "D4"));
_fipairs.Add(new FIPair(311, "Ds4"));
_fipairs.Add(new FIPair(329, "E4"));
_fipairs.Add(new FIPair(349, "F4"));
_fipairs.Add(new FIPair(369, "Fs4"));
_fipairs.Add(new FIPair(392, "G4"));
_fipairs.Add(new FIPair(415, "Gs4"));
_fipairs.Add(new FIPair(440, "A4"));
_fipairs.Add(new FIPair(466, "As4"));
_fipairs.Add(new FIPair(493, "B4"));
_fipairs.Add(new FIPair(523, "C5"));
_fipairs.Add(new FIPair(554, "Cs5"));
_fipairs.Add(new FIPair(587, "D5"));
_fipairs.Add(new FIPair(622, "Ds5"));
_fipairs.Add(new FIPair(659, "E5"));
_fipairs.Add(new FIPair(698, "F5"));
_fipairs.Add(new FIPair(739, "Fs5"));
_fipairs.Add(new FIPair(783, "G5"));
_fipairs.Add(new FIPair(830, "Gs5"));
_fipairs.Add(new FIPair(880, "A5"));
_fipairs.Add(new FIPair(932, "As5"));
_fipairs.Add(new FIPair(987, "B5"));
_fipairs.Add(new FIPair(1046, "C6"));
int XPos = 0;
Size rsize = new Size(20, 100); //regular key size
Size ssize = new Size(18, 60); //sharp size
foreach (FIPair f in _fipairs)
{
Button button = new Button();
button.Location = new System.Drawing.Point(XPos, 0);
button.Name = f.Name;
button.TabIndex = 0;
button.Font = new Font("OCR A Extended", 6, FontStyle.Bold);
button.Tag = f.Frequency;
button.Text = f.Name.Remove(1);
button.UseVisualStyleBackColor = true;
button.MouseDown += new MouseEventHandler(button_MouseDown);
button.MouseUp += new MouseEventHandler(button_MouseUp);
if (f.Sharp)
{
button.Size = ssize;
button.BackColor = Color.Black;
button.ForeColor = Color.White;
button.Text += "#";
}
else
{
button.Size = rsize;
button.BackColor = Color.White;
button.ForeColor = Color.Black;
}
XPos += button.Size.Width - 1;
this.Controls.Add(button);
}
this.Width = XPos + 10; //Dunno why, but it works! =)
}
private void Keyboard_FormClosed(object sender, FormClosedEventArgs e)
{
Main.main.Show();
Main.main.Focus();
}
//Things relating the actual keyboard are below
private List<FIPair> _fipairs = new List<FIPair>();
private Sounds sound = new Sounds();
private UInt32 Frequency = 0;
private void timer1_Tick(object sender, EventArgs e)
{
sound.PlaySound(Frequency);
}
private void Go()
{
timer1.Enabled = true;
}
private void Stop()
{
timer1.Enabled = false;
}
private void button_MouseDown(object sender, MouseEventArgs e)
{
Button button = (Button)sender;
Frequency = UInt32.Parse(button.Tag.ToString());
Go();
sound.PlaySound(Frequency);
}
private void button_MouseUp(object sender, MouseEventArgs e)
{
Stop();
}
}
public class FIPair //Originally named Frequency-Identifier pair, but we added a sharp boolean,
{ //and by this time, it would have been a major pain to go back and rename everything, so we just left it
public FIPair(uint frequency, string name)
{
_frequency = frequency;
_name = name;
}
private uint _frequency;
public uint Frequency
{
get { return _frequency; }
set { _frequency = value; }
}
private string _name;
public string Name
{
get { return _name; }
set { _name = value; }
}
public bool Sharp
{
get { if (Name.Contains("s")) return true;
else return false; }
}
}
}
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~~~
The place where I call the BEEP function
| Code: |
//Sounds
using System;
using System.Runtime.InteropServices;
namespace Keyboard
{
public class Sounds
{
[DllImport("kernel32.dll")]
public static extern bool Beep(UInt32 dwFreq, UInt32 dwDuration);
public void PlaySound(UInt32 Frequency)
{
Beep(Frequency,300);
}
}
}
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~~~
I'm not going to add the About class because it'd be a waste of both of our time--seeing as how I didn't make any changes to it.
~~~
Here is the compiled version.
If you have any questions/comments about the code or anything, please post! =)
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appalsap
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| Posted: Sat Oct 13, 2007 11:56 pm Post subject: |
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| It's a shame you can't actually use the keyboard to make the piano sounds.
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compactwater
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Posts: 3923
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| Posted: Sun Oct 14, 2007 1:10 am Post subject: |
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| appalsap wrote: | | It's a shame you can't actually use the keyboard to make the piano sounds. |
With MIDI you can.
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samuri25404
Grandmaster Cheater
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Joined: 04 May 2007
Posts: 955
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| Posted: Sun Oct 14, 2007 9:58 am Post subject: |
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If you're talking about the keyboard that you type with, it is possible, but unfortunately, I've had bad experiences with things like that;
for example, hotkeys don't work when a button is on the form. I'll see what I can do, though.
Edit:
Now that I think about it, even if I could get it to work like that, there wouldn't be enough keys on the keyboard to reall be able to manuever (sp?)--there aren't enough keys on the actual keyboard (the one that we type with) so that they could be on a straight line.
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hcavolsdsadgadsg
I'm a spammer
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Posts: 5801
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| Posted: Sun Oct 14, 2007 12:31 pm Post subject: |
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| You could try overriding ProcessCmdKey for the whole keyboard thing.
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samuri25404
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| Posted: Sun Oct 14, 2007 3:34 pm Post subject: |
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ProcessCmdKey?
o.O
I've never heard of that--and it doesn't sound like it has anything to do with syncing a keyboard to an application.
Mind explaining?
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hcavolsdsadgadsg
I'm a spammer
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Posts: 5801
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| Posted: Sun Oct 14, 2007 3:47 pm Post subject: |
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| Code: | protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
switch (keyData)
{
case Keys.Control|Keys.X:
MessageBox.Show("omgwtf");
return true;
}
return false;
} |
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samuri25404
Grandmaster Cheater
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Joined: 04 May 2007
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| Posted: Mon Oct 15, 2007 2:10 pm Post subject: |
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I see...
So I could make that instead of doing the message box, make it call the button down event... and the button_down event require a variable, which would be the tag for most things, but what would I do for detecting the button_up/key_up?
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GFCM
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Posts: 62
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| Posted: Mon Oct 15, 2007 2:17 pm Post subject: |
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sorry if im being retarded, i am not sure (100%) if slovac said just what im about to say.. if he said that, then sorry, he has the credit for it 
well lets say you got 21 keys Q -> U + A -> J + Z -> M
with ALT pressed + something, u get 42 notes
with CTRL pressed + something, u get 63 notes
with Shift pressed + something, u get 84 notes
guess you got the idea..
sorry about my english too, not my native language..
(i guess its not a problem but i could give u the case code for that in C#)
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samuri25404
Grandmaster Cheater
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Posts: 955
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| Posted: Wed Oct 17, 2007 8:25 pm Post subject: |
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I'm not quite getting you--do you mean like do:
For example,
Type - Note
A = C
S = D
D = E
However, with like CTRL pressed, or something, it would be like an octave higher?
(I'm sorry if you don't speak music--an octave is a set of notes, {C,D,E,F,G,A,B,C} + their sharps/flats, and then it repeats on)
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oib111
I post too much
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| Posted: Wed Oct 17, 2007 8:58 pm Post subject: |
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YOu know what I Realized. I saw the exact same thing on the code project. Weird huh? 
_________________
| 8D wrote: |
cigs dont make people high, which weed does, which causes them to do bad stuff. like killing |
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HomerSexual
Grandmaster Cheater Supreme
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| Posted: Thu Oct 18, 2007 4:25 am Post subject: |
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mind showing us? i just googled 3 snippets of his source, all would seem common, 0 results
if you make accusations back it up with a link
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samuri25404
Grandmaster Cheater
Reputation: 7
Joined: 04 May 2007
Posts: 955
Location: Why do you care?
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| Posted: Thu Oct 18, 2007 6:37 am Post subject: |
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I assure you that I didn't take this from anyone; my dad and I worked on this--and he showed me the dynamic button creation, from (and I quote him here), "the bad ol' days".
If you really DID find someone's thing like this, I'd like to see a page.
Edit:
I just searched CodeProject (C# of course) for anything that might have to do with this (e.g., "dynamic button generation", "keyboard", "music", etc...), and nothing has turned up fruitful.
Please don't make such accusations; if you really have found something, I'm quite sorry, but I've seriously found nothing.
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GFCM
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| Posted: Thu Oct 18, 2007 12:58 pm Post subject: |
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samuri, can you have like more then one octave for each note?
then you could do something like:
+ increase octave (for example.. CTRL key)
0 regular notes (anykey you would like to be a regular note..)
- decrease octave (for example.. SHIFT key)
(my biggest problem is my english, lol..)
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oib111
I post too much
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| Posted: Thu Oct 18, 2007 3:13 pm Post subject: |
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Sorry, it was in the vb section though. It was just that it described how it works and what it is the same way. Well almost the same way.
_________________
| 8D wrote: |
cigs dont make people high, which weed does, which causes them to do bad stuff. like killing |
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