基线:全量源码首提(D1 版本控制落地,含第一轮优化 B1-B4/A1/A4/缩放修复)

2026-10-01 22:15:22 +08:00
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+/*
+ * MainForm:主窗体(报价工具 + PDF 查看器)
+ * 由 cadbt 改造:WebView2 网页 CAD → pdfium 原生 PDF 查看 + 框选 OCR
+ */
+using System;
+using System.IO;
+using System.Windows.Forms;
+
+namespace pdfbt
+{
+    public partial class MainForm : Form
+    {
+        public MainForm()
+        {
+            InitializeComponent();
+            CreateDockWindows_dockSurface1();
+
+            // ★ 全局 F1/F2/F3 过滤器:焦点在任何 WinForms 控件上都触发元件合并
+            //   (与 cadbt 一致,两路都汇聚到 PdfBridge.F*Requested)
+            Application.AddMessageFilter(new F1MessageFilter());
+            FormClosed += (s, e) => Application.RemoveMessageFilter(f1Filter);
+
+            // ★ Umi-OCR 预热:已装本体且当前引擎为 umi 时,主程序一启动就静默拉起
+            //   (--hide 托盘),不等首次框选;后台线程跑,不拖慢窗口出现
+            System.Threading.ThreadPool.QueueUserWorkItem(_ =>
+            {
+                try
+                {
+                    if (File.Exists(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "baidu_ocr.json")))
+                    {
+                        var jsv = new System.Web.Script.Serialization.JavaScriptSerializer()
+                            .Deserialize<System.Collections.Generic.Dictionary<string, string>>(
+                                File.ReadAllText(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "baidu_ocr.json")));
+                        string eng = jsv != null && jsv.ContainsKey("engine") ? jsv["engine"] : "baidu";
+                        if (eng == "umi" && UmiOcrHost.IsInstalled) UmiOcrHost.EnsureRunning();
+                    }
+                }
+                catch { }
+            });
+        }
+
+        private readonly F1MessageFilter f1Filter = new F1MessageFilter();
+
+        /// <summary>
+        /// 把 F1/F2/F3 按键(0x70/0x71/0x72)转成 PdfBridge 事件。
+        /// ★ 焦点在报价插件(Form3)树内时不触发——那条路径由 Form3.ProcessCmdKey
+        ///   处理,此处再触发会双跑一次(F1 合并两遍:第一遍成功、第二遍弹
+        ///   "请先选中至少2行"的误提示)。
+        /// </summary>
+        private class F1MessageFilter : IMessageFilter
+        {
+            public bool PreFilterMessage(ref Message m)
+            {
+                const int WM_KEYDOWN = 0x0100;
+                bool isFKey = m.Msg == WM_KEYDOWN &&
+                    ((int)m.WParam == 0x70 || (int)m.WParam == 0x71 || (int)m.WParam == 0x72);
+                if (!isFKey) return false;
+
+                // 焦点控件在 Form3 树内 → 交给 Form3.ProcessCmdKey,跳过
+                try
+                {
+                    var focused = Control.FromHandle(m.HWnd);
+                    for (var c = focused; c != null; c = c.Parent)
+                    {
+                        if (c is MyApp.Form3) return false;
+                    }
+                }
+                catch { }
+
+                int key = (int)m.WParam;
+                try
+                {
+                    if (key == 0x70) PdfBridge.RaiseF1();
+                    else if (key == 0x71) PdfBridge.RaiseF2();
+                    else if (key == 0x72) PdfBridge.RaiseF3();
+                }
+                catch { }
+                return false;
+            }
+        }
+    }
+}