.

.gitignore

@@ -1,3 +1,4 @@
 .svn
 hexagon
 hexagon.exe
+hexagon-*

CHANGELOG.md

@@ -1,6 +1,11 @@
+## 1.3.0 (????年??月??日)
+* macOS対応
+
 ## 1.2.0 (2026年05月03日)
 * Debianでコンパイル出来る様に
 * マウス対応の追加
+* ファイルなしでも開ける様に
+* `:o`コマンドの追加
 
 ## 1.1.0 (2025年12月28日)
 * PgUp・PgDownで使ってページを動ける様に

Makefile

@@ -35,11 +35,17 @@ PREFIX = /usr
 PREFIX = /boot/home/config/non-packaged
 .endif
 
-CFLAGS = -I/usr/include -I/usr/local/include -I/usr/pkg/include\
-				 -I/usr/pkg/include/ncurses -I/boot/system/develop/headers\
-				 -L/usr/lib -L/usr/local/lib -L/usr/pkg/lib -L/boot/system/develop/lib
+CFLAGS = -I/usr/include -I/usr/local/include -L/usr/lib -L/usr/local/lib
 
-.if ${UNAME_S} == "NetBSD"
+.if ${OS} == "netbsd"
+CFLAGS += -I/usr/pkg/include -I/usr/pkg/include/ncurses -L/usr/pkg/lib
+.elif ${OS} == "macos"
+CFLAGS += -I/opt/homebrew/opt/ncurses/include -L/opt/homebrew/opt/ncurses/lib
+.elif ${OS} == "haiku"
+CFLAGS += -I/boot/system/develop/headers -L/boot/system/develop/lib
+.endif
+
+.if ${OS} == "netbsd"
 LDFLAGS = -lncurses
 .else
 LDFLAGS = -lncursesw
@@ -52,6 +58,10 @@ all:
 	${CC} -O3 ${CFLAGS} -o ${NAME} ${FILES} -std=c++17 -static ${LDFLAGS}
 	strip ${NAME}
 
+mac:
+	${CC} -O3 ${CFLAGS} -o ${NAME} ${FILES} -std=c++17 ${LDFLAGS}
+	strip ${NAME}
+
 debian:
 	${CC} -O3 ${CFLAGS} -o ${NAME} ${FILES} -std=c++17 -static ${LDFLAGS} -ltinfo
 	strip ${NAME}

README.md

@@ -8,12 +8,24 @@ make
 doas make install
 ```
 
-### Linux/macOS
+### Linux
 ```sh
 bmake
 sudo bmake install
 ```
 
+#### Debianの場合
+```sh
+bmake debian
+sudo bmake install
+```
+
+### macOS
+```sh
+bmake mac
+sudo bmake install
+```
+
 ### Haiku
 ```sh
 bmake

main.cc

@@ -39,13 +39,13 @@ OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "src/hexeditor.hh"
 
 int main(int argc, char *argv[]) {
-  if (argc != 2) {
-    std::cerr << "usage: hexagon <filename>\n";
-    return 1;
-  }
+  std:: string filename;
+
+  if (argc > 1) filename = argv[1];
+  else filename = "";
 
   try {
-    HexEditor editor(argv[1]);
+    HexEditor editor(filename);
     editor.run();
   } catch (const std::exception &e) {
     std::cerr << "エラー： " << e.what() << "\n";

make-mingw.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
 
-g++ -O3 -o hexagon.exe -I/mingw64/include -L/mingw64/lib main.cc src/*.cc\
+g++ -O3 -DNDEBUG -o hexagon.exe -I/mingw64/include -L/mingw64/lib main.cc src/*.cc\
   -std=c++17 -static -lpdcurses -lgdi32 -lcomdlg32 -lwinmm -luser32 -lwinpthread\
-  -lstdc++ -mwindows
+  -lstdc++ -mconsole -s

src/hexeditor.cc

@@ -80,7 +80,7 @@ const std::vector<HexEditor::FileSignature> HexEditor::signatures = {
 HexEditor::HexEditor(const std::string &filename)
   : curPos(0), dpOffset(0), bpr(16),
     statusMode(Status_Normal), modified(false),
-    running(true),
+    running(true), hasFile(!filename.empty()),
     lastSearchDir(Direction_Forward),
     headerLen(0), headerType("") {
   // SIGINT (CTRL + C)を無効に
@@ -94,6 +94,40 @@ HexEditor::HexEditor(const std::string &filename)
 
   // ncurses
   initscr();
+#ifdef _WIN32
+  HWND console = GetConsoleWindow();
+  if (console) {
+    LONG style = GetWindowLong(console, GWL_STYLE);
+    style |= WS_MAXIMIZEBOX | WS_THICKFRAME;
+    SetWindowLong(console, GWL_STYLE, style);
+
+    const int MIN_WIDTH = 100;
+    const int MIN_HEIGHT = 30;
+
+    HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
+    CONSOLE_SCREEN_BUFFER_INFO csbi;
+    GetConsoleScreenBufferInfo(hOut, &csbi);
+
+    RECT rect;
+    GetWindowRect(console, &rect);
+
+    int cw = csbi.srWindow.Right - csbi.srWindow.Left + 1;
+    int ch = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
+
+    MINMAXINFO mmi = {};
+    mmi.ptMinTrackSize.x = MIN_WIDTH * 8;
+    mmi.ptMinTrackSize.y = MIN_HEIGHT * 16;
+
+    COORD minBuf = { MIN_WIDTH, MIN_HEIGHT };
+    SetConsoleScreenBufferSize(hOut, minBuf);
+
+    SMALL_RECT rectWin = { 0, 0, MIN_WIDTH - 1, MIN_HEIGHT - 1 };
+    SetConsoleWindowInfo(hOut, TRUE, &rectWin);
+  }
+
+  resize_term(40, 120);
+#endif
+  getmaxyx(stdscr, rows, cols);
   clearok(stdscr, TRUE);
   cbreak();
   noecho();
@@ -102,7 +136,13 @@ HexEditor::HexEditor(const std::string &filename)
   start_color();
 
   // マウス対応
+#ifdef _WIN32
+  mousemask(ALL_MOUSE_EVENTS, nullptr);
+  mouse_set(ALL_MOUSE_EVENTS);
+  request_mouse_pos();
+#else
   mousemask(ALL_MOUSE_EVENTS | REPORT_MOUSE_POSITION, nullptr);
+#endif
   isMouse = true;
 
   init_pair(1, COLOR_BLACK, COLOR_WHITE); // カーソル
@@ -117,39 +157,46 @@ HexEditor::HexEditor(const std::string &filename)
   refresh();
 
   // ファイルをバッファーに読み込む
-  std::ifstream file(filename, std::ios::binary);
-  if (!file) {
-    endwin();
-    throw std::runtime_error("ファイルを開くに失敗");
-  }
+  if (hasFile) {
+    std::ifstream file(filename, std::ios::binary);
+    if (!file) {
+      endwin();
+      throw std::runtime_error("ファイルを開くに失敗");
+    }
 
-  buf.assign((std::istreambuf_iterator<char>(file)), {});
-  file.close();
+    buf.assign((std::istreambuf_iterator<char>(file)), {});
+    file.close();
 
-  if (buf.empty()) {
-    endwin();
-    throw std::runtime_error("ファイルが空です");
-  }
+    if (buf.empty()) {
+      endwin();
+      throw std::runtime_error("ファイルが空です");
+    }
 
-  fname = filename;
+    fname = filename;
+    hasFile = true;
   
-  // ファイルヘッダー
-  for (const auto &sig : signatures) {
-    if (buf.size() >= sig.signature.size()) {
-      bool match = true;
-      for (size_t i = 0; i < sig.signature.size(); ++i) {
-        if (buf[i] != sig.signature[i]) {
-          match = false;
+    // ファイルヘッダー
+    for (const auto &sig : signatures) {
+      if (buf.size() >= sig.signature.size()) {
+        bool match = true;
+        for (size_t i = 0; i < sig.signature.size(); ++i) {
+          if (buf[i] != sig.signature[i]) {
+            match = false;
+            break;
+          }
+        }
+      
+        if (match) {
+          headerLen = sig.signature.size();
+          headerType = sig.type;
           break;
         }
       }
-      
-      if (match) {
-        headerLen = sig.signature.size();
-        headerType = sig.type;
-        break;
-      }
     }
+  } else {
+    fname = "[No File]";
+    buf.clear();
+    hasFile = false;
   }
 
   // ウィンドウを作成する
@@ -510,9 +557,13 @@ void HexEditor::handleCommand() {
   } else if (statusText == "noh") {
     lastSearch = "";
     isCommand = true;
+  } else if (statusText.rfind("o ", 0) == 0 || statusText.rfind("open ", 0) == 0) {
+    std::string path = statusText.substr(statusText.find(' ') + 1);
+    handleOpen(path);
+    isCommand = true;
   } else {
     statusMode = Status_Error;
-    statusText.clear();
+    statusText = "不正なコマンド。";
   }
 
   if (isCommand) {
@@ -532,6 +583,67 @@ void HexEditor::handleQuit(bool force) {
   }
 }
 
+void HexEditor::handleOpen(const std::string &path) {
+  if (path.empty()) {
+    statusMode = Status_Error;
+    statusText = "利用方法： :o <filename>";
+    render();
+    return;
+  }
+
+  std::ifstream file(path, std::ios::binary);
+  if (!file) {
+    statusMode = Status_Error;
+    statusText = "ファイルを開くに失敗： " + path;
+    render();
+    return;
+  }
+
+  std::vector<uint8_t> newbuf((std::istreambuf_iterator<char>(file)), {});
+  file.close();
+
+  if (newbuf.empty()) {
+    statusMode = Status_Error;
+    statusText = "ファイルは空です。";
+    render();
+    return;
+  }
+
+  buf = std::move(newbuf);
+  fname = path;
+  hasFile = true;
+  curPos = 0;
+  dpOffset = 0;
+  modified = false;
+  undoStack.clear();
+  redoStack.clear();
+  lastSearch.clear();
+  lastHexSearch.clear();
+  headerLen = 0;
+  headerType = "";
+
+  for (const auto &sig : signatures) {
+    if (buf.size() >= sig.signature.size()) {
+      bool match = true;
+      for (size_t i = 0; i < sig.signature.size(); ++i) {
+        if (buf[i] != sig.signature[i]) {
+          match = false;
+          break;
+        }
+      }
+      if (match) {
+        headerLen = sig.signature.size();
+        headerType = sig.type;
+        break;
+      }
+    }
+  }
+
+  statusMode = Status_Normal;
+  statusText = path + " を開きました。";
+  render();
+}
+
 void HexEditor::handleSave() {
   std::ofstream file(fname, std::ios::binary);
   if (file) {
@@ -764,17 +876,24 @@ void HexEditor::handleReplace() {
 
 void HexEditor::handleMouse() {
 #ifdef _WIN32
-  if (getmouse() == 0) return;
+  request_mouse_pos();
 
   int mx = Mouse_status.x;
   int my = Mouse_status.y;
 
-  if (!(Mouse_status.button[0] & BUTTON1_PRESSED)
-    || (Mouse_status.changes & 0x01)) return;
+  bool click = false;
+  for (int i = 0; i < 3; ++i) {
+    if ((Mouse_status.button[i] & BUTTON1_PRESSED)
+    || (Mouse_status.button[i] & BUTTON1_CLICKED)) {
+      click = true;
+      break;
+    }
+  }
+  if (!click) return;
 #else
   MEVENT event;
   if (getmouse(&event) != OK) return;
-  if (!(event.bstate & BUTTON1_PRESSED)) return;
+  if (!(event.bstate & (BUTTON1_PRESSED | BUTTON1_CLICKED))) return;
 
   int mx = event.x;
   int my = event.y;
@@ -849,6 +968,34 @@ void HexEditor::input() {
     if (statusMode != Status_Normal && statusMode != Status_Error) continue;
 
     ch = getch();
+
+    if (ch == KEY_RESIZE) {
+      getmaxyx(stdscr, rows, cols);
+      delwin(hexPanel);
+      delwin(asciiPanel);
+
+      bpr = std::min<size_t>(16, (cols / 2 - 10) / 4);
+      if (bpr < 4) bpr = 4;
+
+      hexPanel = newwin(rows - 3, cols / 2, 1, 0);
+      asciiPanel = newwin(rows - 3, cols / 2, 1, cols / 2);
+
+      scrollok(hexPanel, TRUE);
+      scrollok(asciiPanel, TRUE);
+      wattrset(hexPanel, COLOR_PAIR(8));
+      wattrset(asciiPanel, COLOR_PAIR(8));
+
+      render();
+      continue;
+    }
+
+    if (!hasFile && ch != ':' && ch != 'Z') {
+      statusMode = Status_Error;
+      statusText = "ファイルを読み込んでいません。「:o <file>」を御利用下さい。";
+      render();
+      continue;
+    }
+
     if ((ch == 'j' || ch == KEY_DOWN) && curPos + bpr < buf.size()) {
       curPos += bpr; // 下
       if (statusMode == Status_Error) statusMode = Status_Normal;

src/hexeditor.hh

@@ -79,6 +79,7 @@ class HexEditor {
     bool running;
     std::string lastSearch;
     bool isMouse = false;
+    bool hasFile = false;
 
     WINDOW *hexPanel;
     WINDOW *asciiPanel;
@@ -102,6 +103,7 @@ class HexEditor {
     void topbar();
     void statusbar();
     void handleCommand();
+    void handleOpen(const std::string &path);
     void handleSave();
     void handleQuit(bool force);
     void handleSearch();