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// This is an open source non-commercial project. Dear PVS-Studio, please check
// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
#include "nvim/os/input.h"
#include "nvim/os/os.h"
#include "nvim/os/os_win_console.h"
#include "nvim/vim.h"
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "os/os_win_console.c.generated.h"
#endif
static char origTitle[256] = { 0 };
static HWND hWnd = NULL;
static HICON hOrigIconSmall = NULL;
static HICON hOrigIcon = NULL;
int os_open_conin_fd(void)
{
const HANDLE conin_handle = CreateFile("CONIN$",
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
(LPSECURITY_ATTRIBUTES)NULL,
OPEN_EXISTING, 0, (HANDLE)NULL);
assert(conin_handle != INVALID_HANDLE_VALUE);
int conin_fd = _open_osfhandle((intptr_t)conin_handle, _O_RDONLY);
assert(conin_fd != -1);
return conin_fd;
}
void os_replace_stdin_to_conin(void)
{
close(STDIN_FILENO);
const int conin_fd = os_open_conin_fd();
assert(conin_fd == STDIN_FILENO);
}
void os_replace_stdout_and_stderr_to_conout(void)
{
const HANDLE conout_handle =
CreateFile("CONOUT$",
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
(LPSECURITY_ATTRIBUTES)NULL,
OPEN_EXISTING, 0, (HANDLE)NULL);
assert(conout_handle != INVALID_HANDLE_VALUE);
close(STDOUT_FILENO);
const int conout_fd = _open_osfhandle((intptr_t)conout_handle, 0);
assert(conout_fd == STDOUT_FILENO);
close(STDERR_FILENO);
const int conerr_fd = _open_osfhandle((intptr_t)conout_handle, 0);
assert(conerr_fd == STDERR_FILENO);
}
/// Sets Windows console icon, or pass NULL to restore original icon.
void os_icon_set(HICON hIconSmall, HICON hIcon)
{
if (hWnd == NULL) {
return;
}
hIconSmall = hIconSmall ? hIconSmall : hOrigIconSmall;
hIcon = hIcon ? hIcon : hOrigIcon;
if (hIconSmall != NULL) {
SendMessage(hWnd, WM_SETICON, (WPARAM)ICON_SMALL, (LPARAM)hIconSmall);
}
if (hIcon != NULL) {
SendMessage(hWnd, WM_SETICON, (WPARAM)ICON_BIG, (LPARAM)hIcon);
}
}
/// Sets Nvim logo as Windows console icon.
///
/// Saves the original icon so it can be restored at exit.
void os_icon_init(void)
{
if ((hWnd = GetConsoleWindow()) == NULL) {
return;
}
// Save Windows console icon to be restored later.
hOrigIconSmall = (HICON)SendMessage(hWnd, WM_GETICON, (WPARAM)ICON_SMALL, (LPARAM)0);
hOrigIcon = (HICON)SendMessage(hWnd, WM_GETICON, (WPARAM)ICON_BIG, (LPARAM)0);
const char *vimruntime = os_getenv("VIMRUNTIME");
if (vimruntime != NULL) {
snprintf(NameBuff, MAXPATHL, "%s" _PATHSEPSTR "neovim.ico", vimruntime);
if (!os_path_exists(NameBuff)) {
WLOG("neovim.ico not found: %s", NameBuff);
} else {
HICON hVimIcon = LoadImage(NULL, NameBuff, IMAGE_ICON, 64, 64,
LR_LOADFROMFILE | LR_LOADMAP3DCOLORS);
os_icon_set(hVimIcon, hVimIcon);
}
}
}
/// Saves the original Windows console title.
void os_title_save(void)
{
GetConsoleTitle(origTitle, sizeof(origTitle));
}
/// Resets the original Windows console title.
void os_title_reset(void)
{
SetConsoleTitle(origTitle);
}
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