diff options
Diffstat (limited to 'windows.c')
| -rw-r--r-- | windows.c | 77 |
1 files changed, 77 insertions, 0 deletions
@@ -2,6 +2,7 @@ /* implements Windows specific functions */ #include "dive.h" #include "display.h" +#define _WIN32_WINNT 0x500 #include <windows.h> #include <shlobj.h> #include <stdio.h> @@ -199,3 +200,79 @@ int subsurface_zip_close(struct zip *zip) { return zip_close(zip); } + +/* win32 console */ +static struct { + bool allocated; + UINT cp; + FILE *out, *err; +} console_desc; + +void subsurface_console_init(bool dedicated) +{ + /* if this is a console app already, do nothing */ +#ifndef WIN32_CONSOLE_APP + /* just in case of multiple calls */ + memset((void *)&console_desc, 0, sizeof(console_desc)); + /* the AttachConsole(..) call can be used to determine if the parent process + * is a terminal. if it succeeds, there is no need for a dedicated console + * window and we don't need to call the AllocConsole() function. on the other + * hand if the user has set the 'dedicated' flag to 'true' and if AttachConsole() + * has failed, we create a dedicated console window. + */ + console_desc.allocated = AttachConsole(ATTACH_PARENT_PROCESS); + if (console_desc.allocated) + dedicated = false; + if (!console_desc.allocated && dedicated) + console_desc.allocated = AllocConsole(); + if (!console_desc.allocated) + return; + + console_desc.cp = GetConsoleCP(); + SetConsoleOutputCP(CP_UTF8); /* make the ouput utf8 */ + + /* set some console modes; we don't need to reset these back. + * ENABLE_EXTENDED_FLAGS = 0x0080, ENABLE_QUICK_EDIT_MODE = 0x0040 */ + HANDLE h_in = GetStdHandle(STD_INPUT_HANDLE); + if (h_in) { + SetConsoleMode(h_in, 0x0080 | 0x0040); + CloseHandle(h_in); + } + + /* dedicated only; disable the 'x' button as it will close the main process as well */ + HWND h_cw = GetConsoleWindow(); + if (h_cw && dedicated) { + SetWindowTextA(h_cw, "Subsurface Console"); + HMENU h_menu = GetSystemMenu(h_cw, 0); + if (h_menu) { + EnableMenuItem(h_menu, SC_CLOSE, MF_BYCOMMAND | MF_DISABLED); + DrawMenuBar(h_cw); + } + SetConsoleCtrlHandler(NULL, TRUE); /* disable the CTRL handler */ + } + + /* redirect; on win32, CON is a reserved pipe target, like NUL */ + console_desc.out = freopen("CON", "w", stdout); + console_desc.err = freopen("CON", "w", stderr); + if (!dedicated) + puts(""); /* add an empty line */ +#endif +} + +void subsurface_console_exit(void) +{ +#ifndef WIN32_CONSOLE_APP + if (!console_desc.allocated) + return; + + /* close handles */ + if (console_desc.out) + fclose(console_desc.out); + if (console_desc.err) + fclose(console_desc.err); + + /* reset code page and free */ + SetConsoleOutputCP(console_desc.cp); + FreeConsole(); +#endif +} |