309 lines
10 KiB
C#
309 lines
10 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using System.Diagnostics;
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namespace VirtualKeyboard
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{
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public partial class QwertzKeyboard : Form
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{
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private TextBox targetTextBox;
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private Button okBtn;
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private bool isNumeric = false;
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private bool isCalc = false;
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private bool isShift = false;
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private Screen screen = Screen.PrimaryScreen;
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// Erweiterte keys auf mehr Buttons (z.B. 14 pro Reihe)
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private Button[][] keys = new Button[5][] {
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new Button[14], new Button[14], new Button[14], new Button[14], new Button[8]};
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// **Echtes QWERTZ-Layout** (5 Reihen + Funktion/Steuerung)
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private string[] qwertzRows = {
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"?1234567890ß⌫↵", // Ziffernreihe
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"↔qwertzuiopü+", // Hauptbuchstaben 1 (versetzt)
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" asdfghjklöä#", // Hauptbuchstaben 2 (versetzt)
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"⇧<yxcvbnm,.-⇧", // Hauptbuchstaben 3 (Y statt Z, versetzt)
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" _ " // Untere Reihe: Shift (breit), Enter (hoch), Space (sehr breit)
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};
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// NumPad-Positionen: Standard-Rechner-Layout
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// Zeile 1: 7 8 9 /
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// Zeile 2: 4 5 6 *
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// Zeile 3: 1 2 3 -
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// Zeile 4: 0 00 , +
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// Rechts: OK
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//string[] numpadLayout = {
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// "⌫/*-",
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// "789+",
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// "456",
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// "123↵",
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// "0," // 0 breit, Komma, Plus
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// };
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// Numeric-Reihen
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private string[] numpadLayout;
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public QwertzKeyboard(TextBox target, string numeric)
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{
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if (numeric == "isNumeric")
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{
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isNumeric = true;
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numpadLayout = new string[] { "789", "456", "123", "⌫0↵" };
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}
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if (numeric == "isCalc")
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{
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isCalc = true;
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numpadLayout = new string[] {"⌫/*-","789+","456","123↵","0,"};
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}
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if (numeric == "isAlpha") isNumeric = isCalc = false;
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targetTextBox = target;
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InitializeKeyboard();
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this.FormBorderStyle = FormBorderStyle.None;
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this.BackColor = Color.FromArgb(1,53,101);
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this.StartPosition = FormStartPosition.Manual;
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this.TopMost = true;
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this.ShowInTaskbar = false;
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this.targetTextBox.Focus();
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}
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private void InitializeKeyboard()
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{
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int btnHeight = 60, spacing = 4;
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int startY = 10;
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for (int row = 0; row < qwertzRows.Length; row++)
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{
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string rowText = qwertzRows[row];
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int rowLength = rowText.Length;
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keys[row] = new Button[rowLength];
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int x = 10;
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for (int col = 0; col < rowLength; col++)
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{
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int btnWidth = 0; // Breiten anpassen
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char ch = rowText[col];
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string sch = ch.ToString();
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int btnH = (ch == '↵' ? (btnHeight + spacing) * 5 - 4 : btnHeight); // Hoher Enter
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Button btn = new Button
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{
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Text = sch,
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Size = new Size(btnWidth, btnH),
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Location = new Point(x, startY),
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Font = new Font(ch == ' ' ? "Arial" : "Arial", 18, FontStyle.Bold),
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Tag = ch,
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BackColor = Color.FromArgb(240, 240, 240),
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FlatStyle = FlatStyle.Flat,
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FlatAppearance = { BorderSize = 1, MouseOverBackColor = Color.LightGray },
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};
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btn.Click += Key_Click;
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switch (btn.Text)
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{
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case var t when t == " ":
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btn.Width = 58;
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btn.Enabled = false;
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break;
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case var t when t == "_":
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btn.Width = (btnHeight + spacing) * 12 - 4;
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btn.Text = "Leertaste";
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break;
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case var t when t == "⇧":
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btn.Width = (int)((double)btnHeight * 1.5);
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btn.Text = "Shift";
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break;
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case var t when t == "↔":
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btn.Width = (int)((double)btnHeight * 1.5);
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btn.Text = "Tab";
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break;
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case var t when t == "⌫":
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btn.Width = btnHeight * 2;
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break;
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case var t when t == "↵":
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btn.Width = 90;
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btn.Text = "OK";
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btn.BackColor = Color.FromArgb(0, 192, 0);
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btn.ForeColor = Color.White;
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btn.FlatAppearance.BorderSize = 1;
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btn.FlatAppearance.BorderColor = Color.Green;
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break;
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default:
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btn.Width = btnHeight;
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break;
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}
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this.Controls.Add(btn);
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keys[row][col] = btn;
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x += btn.Width + spacing;
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}
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startY += keys[row][0].Height + spacing;
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}
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// OK wird in Reihen integriert
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this.Size = new Size((int)(screen.WorkingArea.Width * 0.80), (btnHeight + spacing) * 5 + 10);
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this.MaximumSize = new Size(1000, (btnHeight + spacing) * 5 + 10);
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UpdateLayout();
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}
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private void OK_Click(object sender, EventArgs e)
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{
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this.Close();
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}
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private void Tab_Click(object sender, EventArgs e)
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{
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DialogResult result = DialogResult.None;
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if (targetTextBox.Parent?.SelectNextControl(targetTextBox, true, true, true, true) == true) result = DialogResult.OK;
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else result = DialogResult.Cancel;
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this.Close();
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}
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private void Key_Click(object sender, EventArgs e)
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{
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Button btn = sender as Button;
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char ch = (char)btn.Tag;
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switch (btn.Text)
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{
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case var t when t == "Shift": Shift_Click(btn, null);
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break;
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case var t when t == "Tab": Tab_Click(btn, null);
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break;
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case var t when t == "OK": OK_Click(btn, null);
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break;
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case var t when t == "⌫":
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if (targetTextBox.Text.Length > 0)
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targetTextBox.Text = targetTextBox.Text.Substring(0, targetTextBox.Text.Length - 1);
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break;
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default: targetTextBox.Text += btn.Text;
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break;
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}
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if (isShift && char.IsLetter(ch)) ch = char.ToUpper(ch);
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//targetTextBox.Focus();
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//targetTextBox.SelectionStart = targetTextBox.Text.Length;
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}
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private void ToggleMode_Click()
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{
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isNumeric = !isNumeric;
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UpdateLayout();
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}
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private void Shift_Click(object sender, EventArgs e)
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{
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Button shiftBtn = (Button)sender;
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isShift = !isShift;
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shiftBtn.BackColor = isShift ? Color.Yellow : Color.FromArgb(240, 240, 240);
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UpdateLayout();
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}
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private void UpdateLayout()
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{
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if (!isNumeric)
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{
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// Zeige ALLE QWERTZ-Buttons
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for (int row = 0; row < qwertzRows.Length; row++)
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{
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string rowText = qwertzRows[row];
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for (int col = 0; col < keys[row].Length && col < rowText.Length; col++)
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{
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char ch = rowText[col];
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if (keys[row][col].Text.Length > 1) continue;
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keys[row][col].Text = isShift && char.IsLetter(ch) ? char.ToUpper(ch).ToString() : ch.ToString();
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keys[row][col].Tag = ch;
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keys[row][col].Visible = true; // QWERTZ sichtbar
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}
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}
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}
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else
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{
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// **VERSTECKE ALLE QWERTZ-Buttons** und zeige nur NumPad
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HideAllQwertzButtons();
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SetupRealNumPad();
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}
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this.Refresh();
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targetTextBox.Focus();
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}
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private void HideAllQwertzButtons()
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{
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// Blende ALLE Keys aus (QWERTZ komplett weg)
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foreach (var row in keys)
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{
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foreach (var btn in row.Where(b => b != null))
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{
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btn.Visible = false;
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}
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}
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}
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private void SetupRealNumPad()
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{
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int y = 10, xBase = 10, btnWidth = 70, btnHeight = 55, spacing = 8;
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if (isCalc) this.Size = new Size((btnWidth + spacing) * 4 + xBase, (btnHeight + spacing) * 5 + xBase);
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if (isNumeric) this.Size = new Size((btnWidth + spacing) * 3 + xBase, (btnHeight + spacing) * 4 + xBase);
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// NumPad-Grids füllen (erste 4 Reihen)
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for (int row = 0; row < numpadLayout.Length; row++)
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{
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string rowText = numpadLayout[row];
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btnHeight = 55;
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xBase = 10;
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for (int col = 0; col < rowText.Length; col++)
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{
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char ch = rowText[col];
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if (ch == ' ') { xBase += btnWidth + spacing; continue; } // Leerspace für breiten 0
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if (ch == '↵')
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{
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Button okBtn = keys[row][col];
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// OK-Button rechts unten (NumPad-Enter-Stil)
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okBtn.Text = "OK";
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okBtn.Size = (isCalc) ? new Size(btnWidth, btnHeight * 2 + spacing) : new Size(btnWidth, btnHeight);
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okBtn.Location = new Point(xBase, y);
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okBtn.BackColor = Color.FromArgb(0, 192, 0);
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okBtn.ForeColor = Color.White;
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okBtn.Font = new Font("Arial", 14, FontStyle.Bold);
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okBtn.FlatStyle = FlatStyle.Flat;
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okBtn.FlatAppearance.BorderSize = 1;
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okBtn.FlatAppearance.BorderColor = Color.Green;
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okBtn.Visible = true;
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okBtn.Click += OK_Click;
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continue;
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}
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if (ch == '+') { btnHeight = btnHeight * 2 + spacing; }
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Button btn = keys[row][col];
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btn.Text = ch.ToString();
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btn.Tag = ch;
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btn.Size = (row == 4 && col == 0) ? new Size(btnWidth * 2 + spacing, btnHeight) : new Size(btnWidth, btnHeight); // Breiter 0
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btn.Location = new Point(xBase, y);
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btn.Font = new Font("Arial", 18, FontStyle.Bold);
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btn.BackColor = Color.FromArgb(240, 240, 240); // NumPad-Look
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btn.FlatStyle = FlatStyle.Flat;
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btn.FlatAppearance.BorderSize = 1;
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btn.Visible = true;
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btn.Enabled = true;
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xBase += btn.Width + spacing;
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}
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y += (btnHeight > 55) ? (btnHeight / 2) + (spacing / 2) : btnHeight + spacing;
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}
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// Verstecke ungenutzte Keys (Reihen 4+)
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for (int row = 5; row < keys.Length; row++)
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for (int col = 0; col < keys[row].Length; col++)
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keys[row][col].Visible = false;
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}
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protected override void OnShown(EventArgs e)
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{
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base.OnShown(e);
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this.Location = new Point((screen.WorkingArea.Width - this.Width) / 2, screen.WorkingArea.Height - this.Height);
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}
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}
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}
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