fltk/fluid/ExternalCodeEditor_WIN32.h
Greg Ercolano db07cea758 Fix problem with Windows pids being unsigned DWORDs
Had to get away from overloading PIDs with error codes,
so now error codes are returned separately from the PID.
2020-06-18 18:24:45 -07:00

65 lines
2.0 KiB
C++

//
// "$Id$".
//
// External code editor management class for Windows
//
// 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
/* We require at least Windows 2000 (WINVER == 0x0500) for GetFileSizeEx(). */
/* This must be defined before #include <windows.h> - MinGW doesn't do that. */
#if !defined(WINVER) || (WINVER < 0x0500)
# ifdef WINVER
# undef WINVER
# endif
# define WINVER 0x0500
#endif
#if !defined(_WIN32_WINNT) || (_WIN32_WINNT < 0x0500)
# ifdef _WIN32_WINNT
# undef _WIN32_WINNT
# endif
# define _WIN32_WINNT 0x0500
#endif
#include <windows.h> /* CreateFile().. */
#include <string.h> /* sprintf().. */
class ExternalCodeEditor {
PROCESS_INFORMATION pinfo_; // CreateProcess() handle to running process
FILETIME file_mtime_; // last modify time of the file (used to determine if file changed)
LARGE_INTEGER file_size_; // last file size (used to determine if changed)
const char * filename_; // tmpfilename editor uses
protected:
void kill_editor();
void reap_cleanup();
const char *create_tmpdir();
const char *tmp_filename();
int start_editor(const char *cmd, const char *filename);
void set_filename(const char *val);
public:
ExternalCodeEditor();
~ExternalCodeEditor();
int is_editing();
int reap_editor(DWORD *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 */
//
// End of "$Id$".
//