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kernel32: Added support for insert/overwrite modes while editing a line.

This commit is contained in:
Eric Pouech 2011-01-18 22:03:19 +01:00 committed by Alexandre Julliard
parent a392e9a102
commit 2a219b948c
2 changed files with 55 additions and 11 deletions
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63
dlls/kernel32/editline.c
View File

@ -67,6 +67,7 @@ typedef struct WCEL_Context {
error : 1, /* to 1 when an error occurred in the editing */
can_wrap : 1, /* to 1 when multi-line edition can take place */
shall_echo : 1, /* to 1 when characters should be echo:ed when keyed-in */
insert : 1, /* to 1 when new characters are inserted (otherwise overwrite) */
can_pos_cursor : 1; /* to 1 when console can (re)position cursor */
unsigned histSize;
unsigned histPos;
@ -298,16 +299,29 @@ static void WCEL_DeleteString(WCEL_Context* ctx, int beg, int end)
static void WCEL_InsertString(WCEL_Context* ctx, const WCHAR* str)
{
size_t len = lstrlenW(str);
size_t len = lstrlenW(str), updtlen;
if (!len || !WCEL_Grow(ctx, len)) return;
if (ctx->len > ctx->ofs)
memmove(&ctx->line[ctx->ofs + len], &ctx->line[ctx->ofs], (ctx->len - ctx->ofs) * sizeof(WCHAR));
if (!len) return;
if (ctx->insert)
{
if (!WCEL_Grow(ctx, len)) return;
if (ctx->len > ctx->ofs)
memmove(&ctx->line[ctx->ofs + len], &ctx->line[ctx->ofs], (ctx->len - ctx->ofs) * sizeof(WCHAR));
ctx->len += len;
updtlen = ctx->len - ctx->ofs;
}
else
{
if (ctx->ofs + len > ctx->len)
{
if (!WCEL_Grow(ctx, (ctx->ofs + len) - ctx->len)) return;
ctx->len = ctx->ofs + len;
}
updtlen = len;
}
memcpy(&ctx->line[ctx->ofs], str, len * sizeof(WCHAR));
ctx->len += len;
ctx->line[ctx->len] = 0;
WCEL_Update(ctx, ctx->ofs, ctx->len - ctx->ofs);
WCEL_Update(ctx, ctx->ofs, updtlen);
ctx->ofs += len;
}
@ -738,6 +752,30 @@ static void WCEL_RepeatCount(WCEL_Context* ctx)
#endif
}
static void WCEL_ToggleInsert(WCEL_Context* ctx)
{
DWORD mode;
CONSOLE_CURSOR_INFO cinfo;
if (GetConsoleMode(ctx->hConIn, &mode) && GetConsoleCursorInfo(ctx->hConOut, &cinfo))
{
if ((mode & (ENABLE_INSERT_MODE|ENABLE_EXTENDED_FLAGS)) == (ENABLE_INSERT_MODE|ENABLE_EXTENDED_FLAGS))
{
mode &= ~ENABLE_INSERT_MODE;
cinfo.dwSize = 100;
ctx->insert = FALSE;
}
else
{
mode |= ENABLE_INSERT_MODE | ENABLE_EXTENDED_FLAGS;
cinfo.dwSize = 25;
ctx->insert = TRUE;
}
SetConsoleMode(ctx->hConIn, mode);
SetConsoleCursorInfo(ctx->hConOut, &cinfo);
}
}
/* ====================================================================
*
* Key Maps
@ -750,6 +788,7 @@ static const KeyEntry StdKeyMap[] =
{/*BACK*/0x08, WCEL_DeletePrevChar },
{/*RETURN*/0x0d, WCEL_Done },
{/*DEL*/127, WCEL_DeleteCurrChar },
{/*VK_INSERT*/0x2d, WCEL_ToggleInsert },
{ 0, NULL }
};
@ -834,6 +873,7 @@ static const KeyEntry Win32StdKeyMap[] =
{/*VK_UP*/ 0x26, WCEL_MoveToPrevHist },
{/*VK_DOWN*/ 0x28, WCEL_MoveToNextHist },
{/*VK_DEL*/ 0x2e, WCEL_DeleteCurrChar },
{/*VK_INSERT*/0x2d, WCEL_ToggleInsert },
{/*VK_F8*/ 0x77, WCEL_FindPrevInHist },
{ 0, NULL }
};
@ -870,7 +910,7 @@ WCHAR* CONSOLE_Readline(HANDLE hConsoleIn, BOOL can_pos_cursor)
const KeyEntry* ke;
unsigned ofs;
void (*func)(struct WCEL_Context* ctx);
DWORD ks;
DWORD mode, ks;
int use_emacs;
memset(&ctx, 0, sizeof(ctx));
@ -884,8 +924,11 @@ WCHAR* CONSOLE_Readline(HANDLE hConsoleIn, BOOL can_pos_cursor)
OPEN_EXISTING, 0, 0 )) == INVALID_HANDLE_VALUE ||
!GetConsoleScreenBufferInfo(ctx.hConOut, &ctx.csbi))
return NULL;
ctx.shall_echo = (GetConsoleMode(hConsoleIn, &ks) && (ks & ENABLE_ECHO_INPUT)) ? 1 : 0;
ctx.can_wrap = (GetConsoleMode(ctx.hConOut, &ks) && (ks & ENABLE_WRAP_AT_EOL_OUTPUT)) ? 1 : 0;
if (!GetConsoleMode(hConsoleIn, &mode)) mode = 0;
ctx.shall_echo = (mode & ENABLE_ECHO_INPUT) ? 1 : 0;
ctx.insert = (mode & (ENABLE_INSERT_MODE|ENABLE_EXTENDED_FLAGS)) == (ENABLE_INSERT_MODE|ENABLE_EXTENDED_FLAGS) ? 1 : 0;
if (!GetConsoleMode(ctx.hConOut, &mode)) mode = 0;
ctx.can_wrap = (mode & ENABLE_WRAP_AT_EOL_OUTPUT) ? 1 : 0;
ctx.can_pos_cursor = can_pos_cursor;
if (!WCEL_Grow(&ctx, 1))

3
server/console.c
View File

@ -302,7 +302,8 @@ static struct object *create_console_input( struct thread* renderer, int fd )
if (!(console_input = alloc_object( &console_input_ops ))) return NULL;
console_input->renderer = renderer;
console_input->mode = ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT |
ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT;
ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT | ENABLE_INSERT_MODE |
ENABLE_EXTENDED_FLAGS;
console_input->num_proc = 0;
console_input->active = NULL;
console_input->recnum = 0;