fltk/fluid/ExternalCodeEditor_WIN32.h

60 lines
1.9 KiB
C++

//
// 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 */