mirror of
https://github.com/Leonmmcoset/CMLeonOS.git
synced 2026-04-21 19:24:00 +00:00
重写计算器
This commit is contained in:
@@ -14,7 +14,6 @@
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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using Cosmos.System.Graphics;
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using CMLeonOS;
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using CMLeonOS.Gui.UILib;
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using System;
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@@ -26,10 +25,6 @@ namespace CMLeonOS.Gui.Apps
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{
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internal Calculator() : base("Calculator", ProcessType.Application) { }
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AppWindow window;
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WindowManager wm = ProcessManager.GetProcess<WindowManager>();
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private enum Operator
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{
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None,
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@@ -39,268 +34,274 @@ namespace CMLeonOS.Gui.Apps
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Divide
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}
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[IL2CPU.API.Attribs.ManifestResourceStream(ResourceName = "CMLeonOS.Gui.Resources.Calculator.GridButton.bmp")]
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private static byte[] gridButtonBytes;
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private static Bitmap gridButtonBitmap = new Bitmap(gridButtonBytes);
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private AppWindow window;
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private TextBlock expressionBlock;
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private TextBlock displayBlock;
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private StatusBar statusBar;
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[IL2CPU.API.Attribs.ManifestResourceStream(ResourceName = "CMLeonOS.Gui.Resources.Calculator.Display.bmp")]
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private static byte[] displayBytes;
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private static Bitmap displayBitmap = new Bitmap(displayBytes);
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private readonly WindowManager wm = ProcessManager.GetProcess<WindowManager>();
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private const int padding = 16;
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private const int gridButtonSize = 40;
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private const int resultHeight = 40;
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private const int padding = 12;
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private const int buttonWidth = 68;
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private const int buttonHeight = 34;
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private const int buttonGap = 8;
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private const int displayHeight = 72;
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private const int statusHeight = 24;
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private long num1 = 0;
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private long num2 = 0;
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private Operator op = Operator.None;
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private bool overwriteNextDigit = false;
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private void RenderGridButton(string text, int x, int y)
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private string OperatorText
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{
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int buttonX = (x * gridButtonSize);
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int buttonY = (y * gridButtonSize) + resultHeight;
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window.DrawImage(gridButtonBitmap, buttonX, buttonY);
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window.DrawString(text, Color.Black, buttonX + (gridButtonSize / 2) - ((text.Length * 8) / 2), buttonY + (gridButtonSize / 2) - (16 / 2));
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}
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private void WindowClick(int x, int y)
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{
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int gridX = x / gridButtonSize;
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int gridY = (y - resultHeight) / gridButtonSize;
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if (gridY < 0)
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get
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{
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return;
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}
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switch (gridY)
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{
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case 0:
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switch (gridX)
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{
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case 0:
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InputNum("7");
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break;
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case 1:
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InputNum("8");
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break;
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case 2:
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InputNum("9");
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break;
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case 3:
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InputOp(Operator.Add);
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break;
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}
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break;
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case 1:
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switch (gridX)
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{
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case 0:
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InputNum("4");
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break;
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case 1:
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InputNum("5");
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break;
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case 2:
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InputNum("6");
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break;
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case 3:
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InputOp(Operator.Subtract);
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break;
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}
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break;
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case 2:
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switch (gridX)
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{
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case 0:
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InputNum("1");
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break;
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case 1:
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InputNum("2");
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break;
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case 2:
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InputNum("3");
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break;
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case 3:
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InputOp(Operator.Multiply);
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break;
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}
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break;
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case 3:
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switch (gridX)
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{
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case 0:
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InputNum("0");
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break;
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case 1:
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InputBksp();
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break;
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case 2:
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InputEquals();
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break;
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case 3:
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InputOp(Operator.Divide);
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break;
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}
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break;
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}
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}
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private void RenderDisplay(bool updateWindow = true)
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{
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window.DrawImage(displayBitmap, 0, 0);
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string text;
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if (op != Operator.None)
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{
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char opChar;
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opChar = op switch
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return op switch
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{
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Operator.Add => '+',
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Operator.Subtract => '-',
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Operator.Multiply => '*',
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Operator.Divide => '/',
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_ => throw new Exception("Unrecognised operator.")
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Operator.Add => "+",
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Operator.Subtract => "-",
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Operator.Multiply => "*",
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Operator.Divide => "/",
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_ => string.Empty
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};
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text = num1.ToString().TrimEnd('.') + opChar + num2.ToString().TrimEnd('.');
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}
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else
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{
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text = num1.ToString().TrimEnd('.');
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}
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window.DrawString(text, Color.Black, window.Width - 12 - (text.Length * 8), 12);
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if (updateWindow)
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{
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wm.Update(window);
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}
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}
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private void InputNum(string num)
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private void UpdateDisplay()
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{
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if (op != Operator.None)
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if (op == Operator.None)
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{
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num2 = long.Parse(num2.ToString() + num);
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expressionBlock.Text = "Current Value";
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displayBlock.Text = num1.ToString();
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}
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else
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{
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num1 = long.Parse(num1.ToString() + num);
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expressionBlock.Text = $"{num1} {OperatorText}";
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displayBlock.Text = num2.ToString();
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}
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RenderDisplay();
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string state = op == Operator.None ? "Ready" : $"Operator: {OperatorText}";
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statusBar.Text = state;
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statusBar.DetailText = "Integer Mode";
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}
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private void InputOp(Operator @operator)
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private void ShowError(string text)
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{
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if (op != Operator.None)
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new MessageBox(this, "Calculator", text).Show();
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}
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private void InputDigit(int digit)
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{
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if (op == Operator.None)
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{
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num1 = num2;
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if (overwriteNextDigit)
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{
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num1 = digit;
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overwriteNextDigit = false;
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}
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else
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{
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num1 = (num1 * 10) + digit;
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}
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}
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op = @operator;
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else
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{
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if (overwriteNextDigit)
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{
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num2 = digit;
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overwriteNextDigit = false;
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}
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else
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{
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num2 = (num2 * 10) + digit;
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}
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}
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UpdateDisplay();
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}
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private void InputOperator(Operator nextOperator)
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{
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if (op != Operator.None && !overwriteNextDigit)
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{
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InputEquals();
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}
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op = nextOperator;
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num2 = 0;
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RenderDisplay();
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overwriteNextDigit = false;
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UpdateDisplay();
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}
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private void InputBksp()
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private void InputBackspace()
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{
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long num = op != Operator.None ? num2 : num1;
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string numStr = num.ToString();
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if (numStr.Length > 1)
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if (op == Operator.None)
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{
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num = long.Parse(numStr.Substring(0, numStr.Length - 1));
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num1 /= 10;
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}
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else
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{
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num = 0;
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num2 /= 10;
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}
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if (op != Operator.None)
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UpdateDisplay();
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}
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private void InputClear()
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{
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num1 = 0;
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num2 = 0;
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op = Operator.None;
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overwriteNextDigit = false;
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UpdateDisplay();
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}
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private void InputClearEntry()
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{
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if (op == Operator.None)
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{
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num2 = num;
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num1 = 0;
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}
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else
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{
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num1 = num;
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num2 = 0;
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}
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RenderDisplay();
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overwriteNextDigit = false;
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UpdateDisplay();
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}
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private void InputEquals()
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{
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if (op == Operator.None) return;
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if (op == Operator.None)
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{
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return;
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}
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long result = num1;
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switch (op)
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{
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case Operator.Add:
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num1 = num1 + num2;
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result = num1 + num2;
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break;
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case Operator.Subtract:
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num1 = num1 - num2;
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result = num1 - num2;
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break;
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case Operator.Multiply:
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num1 = num1 * num2;
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result = num1 * num2;
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break;
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case Operator.Divide:
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if (num2 == 0)
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{
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MessageBox messageBox = new MessageBox(this, "Calculator", "Cannot divide by zero.");
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messageBox.Show();
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ShowError("Cannot divide by zero.");
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return;
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}
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num1 = num1 / num2;
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result = num1 / num2;
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break;
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default:
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throw new Exception("Unrecognised operator.");
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}
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num1 = result;
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num2 = 0;
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op = Operator.None;
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RenderDisplay();
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overwriteNextDigit = true;
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UpdateDisplay();
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}
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private void RenderGridButtons()
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private Button CreateButton(string text, int col, int row, Action onClick, bool accent = false, bool neutral = false)
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{
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RenderGridButton("7", 0, 0);
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RenderGridButton("8", 1, 0);
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RenderGridButton("9", 2, 0);
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RenderGridButton("+", 3, 0);
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int x = padding + (col * (buttonWidth + buttonGap));
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int y = padding + displayHeight + padding + (row * (buttonHeight + buttonGap));
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RenderGridButton("4", 0, 1);
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RenderGridButton("5", 1, 1);
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RenderGridButton("6", 2, 1);
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RenderGridButton("-", 3, 1);
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RenderGridButton("1", 0, 2);
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RenderGridButton("2", 1, 2);
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RenderGridButton("3", 2, 2);
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RenderGridButton("*", 3, 2);
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RenderGridButton("0", 0, 3);
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RenderGridButton("<-", 1, 3);
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RenderGridButton("=", 2, 3);
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RenderGridButton("/", 3, 3);
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Button button = new Button(window, x, y, buttonWidth, buttonHeight);
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button.Text = text;
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if (accent)
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{
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button.Background = UITheme.Accent;
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button.Border = UITheme.AccentDark;
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button.Foreground = Color.White;
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}
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else if (neutral)
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{
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button.Background = UITheme.SurfaceMuted;
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button.Border = UITheme.SurfaceBorder;
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button.Foreground = UITheme.TextPrimary;
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}
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button.OnClick = (_, _) => onClick();
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wm.AddWindow(button);
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return button;
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}
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public override void Start()
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{
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base.Start();
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window = new AppWindow(this, 256, 256, gridButtonSize * 4, (gridButtonSize * 4) + resultHeight);
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int width = padding * 2 + (buttonWidth * 4) + (buttonGap * 3);
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int buttonRows = 5;
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int height = padding + displayHeight + padding + (buttonRows * buttonHeight) + ((buttonRows - 1) * buttonGap) + padding + statusHeight;
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window = new AppWindow(this, 260, 170, width, height);
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window.Title = "Calculator";
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window.Icon = AppManager.GetAppMetadata("Calculator").Icon;
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window.Closing = TryStop;
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wm.AddWindow(window);
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window.Title = "Calculator";
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window.Clear(Color.Gray);
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window.Icon = AppManager.GetAppMetadata("Calculator").Icon;
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window.OnClick = WindowClick;
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window.Closing = TryStop;
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expressionBlock = new TextBlock(window, padding, padding, width - (padding * 2), 18);
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expressionBlock.Background = UITheme.Surface;
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expressionBlock.Foreground = UITheme.TextSecondary;
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expressionBlock.HorizontalAlignment = Alignment.End;
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wm.AddWindow(expressionBlock);
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/*inputTextBlock = new TextBlock(window, padding / 2, padding / 2, window.Width - padding, resultHeight - padding);
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inputTextBlock.Background = Color.Gray;
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inputTextBlock.Foreground = Color.White;
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wm.AddWindow(inputTextBlock);*/
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displayBlock = new TextBlock(window, padding, padding + 22, width - (padding * 2), 42);
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displayBlock.Background = UITheme.Surface;
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displayBlock.Foreground = UITheme.TextPrimary;
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displayBlock.HorizontalAlignment = Alignment.End;
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displayBlock.VerticalAlignment = Alignment.Middle;
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wm.AddWindow(displayBlock);
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RenderDisplay(updateWindow: false);
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Separator separator = new Separator(window, padding, padding + displayHeight, width - (padding * 2), 8);
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separator.Background = UITheme.Surface;
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separator.Foreground = UITheme.SurfaceBorder;
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wm.AddWindow(separator);
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RenderGridButtons();
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CreateButton("C", 0, 0, InputClear, neutral: true);
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CreateButton("Bk", 1, 0, InputBackspace, neutral: true);
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CreateButton("/", 2, 0, () => InputOperator(Operator.Divide), neutral: true);
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CreateButton("*", 3, 0, () => InputOperator(Operator.Multiply), neutral: true);
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CreateButton("7", 0, 1, () => InputDigit(7));
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CreateButton("8", 1, 1, () => InputDigit(8));
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CreateButton("9", 2, 1, () => InputDigit(9));
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CreateButton("-", 3, 1, () => InputOperator(Operator.Subtract), neutral: true);
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CreateButton("4", 0, 2, () => InputDigit(4));
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CreateButton("5", 1, 2, () => InputDigit(5));
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CreateButton("6", 2, 2, () => InputDigit(6));
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CreateButton("+", 3, 2, () => InputOperator(Operator.Add), neutral: true);
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CreateButton("1", 0, 3, () => InputDigit(1));
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CreateButton("2", 1, 3, () => InputDigit(2));
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CreateButton("3", 2, 3, () => InputDigit(3));
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CreateButton("=", 3, 3, InputEquals, accent: true);
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CreateButton("0", 0, 4, () => InputDigit(0));
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CreateButton("00", 1, 4, () =>
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{
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InputDigit(0);
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InputDigit(0);
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});
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CreateButton("CE", 2, 4, InputClearEntry, neutral: true);
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CreateButton("=", 3, 4, InputEquals, accent: true);
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statusBar = new StatusBar(window, 0, height - statusHeight, width, statusHeight);
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wm.AddWindow(statusBar);
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InputClear();
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wm.Update(window);
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}
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public override void Run()
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{
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}
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}
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}
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Reference in New Issue
Block a user