From 1985aefc0e502048f92b91beef87c0dfbe669fed Mon Sep 17 00:00:00 2001
From: Matthias Melcher <github@matthiasm.com>
Date: Fri, 7 Mar 2025 16:34:35 +0100
Subject: Restructuring Fluid source files.

---
 fluid/tools/ExternalCodeEditor_UNIX.h | 60 +++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 fluid/tools/ExternalCodeEditor_UNIX.h

(limited to 'fluid/tools/ExternalCodeEditor_UNIX.h')

diff --git a/fluid/tools/ExternalCodeEditor_UNIX.h b/fluid/tools/ExternalCodeEditor_UNIX.h
new file mode 100644
index 000000000..644f22afa
--- /dev/null
+++ b/fluid/tools/ExternalCodeEditor_UNIX.h
@@ -0,0 +1,60 @@
+//
+//       External code editor management class for Unix
+//
+//       Handles starting and keeping track of an external text editor,
+//       including process start, temp file creation/removal, bookkeeping, killing..
+//
+#ifndef _EXTCODEEDITOR_H
+#define _EXTCODEEDITOR_H
+
+#include "app/fluid.h"
+
+#include <FL/Fl.H>
+
+#include <errno.h>      /* errno */
+#include <string.h>     /* strerror() */
+#include <sys/types.h>  /* stat().. */
+#include <sys/stat.h>
+#include <unistd.h>
+
+// ---- ExternalCodeEditor declaration
+
+class ExternalCodeEditor {
+  int pid_;
+  time_t file_mtime_;                   // last modify time of the file (used to determine if file changed)
+  size_t file_size_;                    // last file size (used to determine if changed)
+  const char *filename_;
+  std::string command_line_;
+  int last_error_;
+  int alert_pipe_[2];
+  bool alert_pipe_open_;
+  static void alert_pipe_cb(FL_SOCKET, void*);
+
+protected:
+  void kill_editor();
+  const char *create_tmpdir();
+  const char *tmp_filename();
+  int start_editor(const char *cmd, const char *filename);
+  void set_filename(const char *val);
+  void open_alert_pipe();
+
+public:
+  ExternalCodeEditor();
+  ~ExternalCodeEditor();
+  int is_editing();
+  int reap_editor(pid_t *pid_reaped=NULL);
+  void close_editor();
+  const char *filename() { return filename_; }
+  int open_editor(const char *editor_cmd, const char *code);
+  int handle_changes(const char **code, int force=0);
+  int remove_tmpfile();
+  // Public static methods
+  static void start_update_timer();
+  static void stop_update_timer();
+  static const char* tmpdir_name();
+  static void tmpdir_clear();
+  static int editors_open();
+  static void set_update_timer_callback(Fl_Timeout_Handler);
+};
+
+#endif /*_EXTCODEEDITOR_H */
-- 
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