Sweden-Number/programs/wineconsole/wineconsole.c

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/*
* an application for displaying Win32 console
*
* Copyright 2001 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include "wine/server.h"
#include "wine/unicode.h"
#include "winecon_private.h"
static int trace_level = 1;
void XTracer(int level, const char* format, ...)
{
char buf[1024];
va_list valist;
int len;
if (level > trace_level) return;
va_start(valist, format);
len = vsnprintf(buf, sizeof(buf), format, valist);
va_end(valist);
if ((len <= -1) || (len >= sizeof(buf)))
{
len = sizeof(buf) - 1;
buf[len] = 0;
buf[len - 1] = buf[len - 2] = buf[len - 3] = '.';
}
fprintf(stderr, buf);
}
/******************************************************************
* WINECON_FetchCells
*
* updates the local copy of cells (band to update)
*/
void WINECON_FetchCells(struct inner_data* data, int upd_tp, int upd_bm)
{
SERVER_START_REQ( read_console_output )
{
req->handle = (handle_t)data->hConOut;
req->x = 0;
req->y = upd_tp;
req->mode = CHAR_INFO_MODE_TEXTATTR;
req->wrap = TRUE;
wine_server_set_reply( req, &data->cells[upd_tp * data->curcfg.sb_width],
(upd_bm-upd_tp+1) * data->curcfg.sb_width * sizeof(CHAR_INFO) );
wine_server_call( req );
}
SERVER_END_REQ;
data->fnRefresh(data, upd_tp, upd_bm);
}
/******************************************************************
* WINECON_NotifyWindowChange
*
* Inform server that visible window on sb has changed
*/
void WINECON_NotifyWindowChange(struct inner_data* data)
{
SERVER_START_REQ( set_console_output_info )
{
req->handle = (handle_t)data->hConOut;
req->win_left = data->curcfg.win_pos.X;
req->win_top = data->curcfg.win_pos.Y;
req->win_right = data->curcfg.win_pos.X + data->curcfg.win_width - 1;
req->win_bottom = data->curcfg.win_pos.Y + data->curcfg.win_height - 1;
req->mask = SET_CONSOLE_OUTPUT_INFO_DISPLAY_WINDOW;
wine_server_call( req );
}
SERVER_END_REQ;
}
/******************************************************************
* WINECON_GetHistorySize
*
*
*/
int WINECON_GetHistorySize(HANDLE hConIn)
{
int ret = 0;
SERVER_START_REQ(get_console_input_info)
{
req->handle = (handle_t)hConIn;
if (!wine_server_call_err( req )) ret = reply->history_size;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************
* WINECON_SetHistorySize
*
*
*/
BOOL WINECON_SetHistorySize(HANDLE hConIn, int size)
{
BOOL ret;
SERVER_START_REQ(set_console_input_info)
{
req->handle = (handle_t)hConIn;
req->mask = SET_CONSOLE_INPUT_INFO_HISTORY_SIZE;
req->history_size = size;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************
* WINECON_GetHistoryMode
*
*
*/
int WINECON_GetHistoryMode(HANDLE hConIn)
{
int ret = 0;
SERVER_START_REQ(get_console_input_info)
{
req->handle = (handle_t)hConIn;
if (!wine_server_call_err( req )) ret = reply->history_mode;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************
* WINECON_SetHistoryMode
*
*
*/
BOOL WINECON_SetHistoryMode(HANDLE hConIn, int mode)
{
BOOL ret;
SERVER_START_REQ(set_console_input_info)
{
req->handle = (handle_t)hConIn;
req->mask = SET_CONSOLE_INPUT_INFO_HISTORY_MODE;
req->history_mode = mode;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************
* WINECON_GetConsoleTitle
*
*
*/
BOOL WINECON_GetConsoleTitle(HANDLE hConIn, WCHAR* buffer, size_t len)
{
BOOL ret;
if (len < sizeof(WCHAR)) return FALSE;
SERVER_START_REQ( get_console_input_info )
{
req->handle = (handle_t)hConIn;
wine_server_set_reply( req, buffer, len - sizeof(WCHAR) );
if ((ret = !wine_server_call_err( req )))
{
len = wine_server_reply_size( reply );
buffer[len / sizeof(WCHAR)] = 0;
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************
* WINECON_GrabChanges
*
* A change occurs, try to figure out which
*/
int WINECON_GrabChanges(struct inner_data* data)
{
struct console_renderer_event evts[16];
int i, num;
HANDLE h;
SERVER_START_REQ( get_console_renderer_events )
{
wine_server_set_reply( req, evts, sizeof(evts) );
req->handle = (handle_t)data->hSynchro;
if (!wine_server_call_err( req )) num = wine_server_reply_size(reply) / sizeof(evts[0]);
else num = 0;
}
SERVER_END_REQ;
if (!num) {Trace(0, "hmm renderer signaled but no events available\n"); return 1;}
/* FIXME: should do some event compression here (cursor pos, update) */
Trace(1, "Change notification:");
for (i = 0; i < num; i++)
{
switch (evts[i].event)
{
case CONSOLE_RENDERER_TITLE_EVENT:
data->fnSetTitle(data);
break;
case CONSOLE_RENDERER_ACTIVE_SB_EVENT:
SERVER_START_REQ( open_console )
{
req->from = (int)data->hConIn;
req->access = GENERIC_READ | GENERIC_WRITE;
req->share = FILE_SHARE_READ | FILE_SHARE_WRITE;
req->inherit = FALSE;
h = wine_server_call_err( req ) ? 0 : (HANDLE)reply->handle;
}
SERVER_END_REQ;
Trace(1, " active(%d)", (int)h);
if (h)
{
CloseHandle(data->hConOut);
data->hConOut = h;
}
break;
case CONSOLE_RENDERER_SB_RESIZE_EVENT:
if (data->curcfg.sb_width != evts[i].u.resize.width ||
data->curcfg.sb_height != evts[i].u.resize.height)
{
Trace(1, " resize(%d,%d)", evts[i].u.resize.width, evts[i].u.resize.height);
data->curcfg.sb_width = evts[i].u.resize.width;
data->curcfg.sb_height = evts[i].u.resize.height;
data->cells = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, data->cells,
data->curcfg.sb_width * data->curcfg.sb_height * sizeof(CHAR_INFO));
if (!data->cells) {Trace(0, "OOM\n"); exit(0);}
data->fnResizeScreenBuffer(data);
data->fnComputePositions(data);
}
break;
case CONSOLE_RENDERER_UPDATE_EVENT:
Trace(1, " update(%d,%d)", evts[i].u.update.top, evts[i].u.update.bottom);
WINECON_FetchCells(data, evts[i].u.update.top, evts[i].u.update.bottom);
break;
case CONSOLE_RENDERER_CURSOR_POS_EVENT:
if (evts[i].u.cursor_pos.x != data->cursor.X || evts[i].u.cursor_pos.y != data->cursor.Y)
{
data->cursor.X = evts[i].u.cursor_pos.x;
data->cursor.Y = evts[i].u.cursor_pos.y;
data->fnPosCursor(data);
Trace(1, " curs-pos(%d,%d)",evts[i].u.cursor_pos.x, evts[i].u.cursor_pos.y);
}
break;
case CONSOLE_RENDERER_CURSOR_GEOM_EVENT:
if (evts[i].u.cursor_geom.size != data->curcfg.cursor_size ||
evts[i].u.cursor_geom.visible != data->curcfg.cursor_visible)
{
data->fnShapeCursor(data, evts[i].u.cursor_geom.size,
evts[i].u.cursor_geom.visible, FALSE);
Trace(1, " curs-geom(%d,%d)",
evts[i].u.cursor_geom.size, evts[i].u.cursor_geom.visible);
}
break;
case CONSOLE_RENDERER_DISPLAY_EVENT:
if (evts[i].u.display.left != data->curcfg.win_pos.X)
{
data->fnScroll(data, evts[i].u.display.left, TRUE);
data->fnPosCursor(data);
Trace(1, " h-scroll(%d)", evts[i].u.display.left);
}
if (evts[i].u.display.top != data->curcfg.win_pos.Y)
{
data->fnScroll(data, evts[i].u.display.top, FALSE);
data->fnPosCursor(data);
Trace(1, " v-scroll(%d)", evts[i].u.display.top);
}
if (evts[i].u.display.width != data->curcfg.win_width ||
evts[i].u.display.height != data->curcfg.win_height)
{
Trace(1, " win-size(%d,%d)", evts[i].u.display.width, evts[i].u.display.height);
data->curcfg.win_width = evts[i].u.display.width;
data->curcfg.win_height = evts[i].u.display.height;
data->fnComputePositions(data);
}
break;
case CONSOLE_RENDERER_EXIT_EVENT:
Trace(1, ". Exit!!\n");
return 0;
default:
Trace(0, "Unknown event type (%d)\n", evts[i].event);
}
}
Trace(1, ". Done\n");
return 1;
}
/******************************************************************
* WINECON_Delete
*
* Destroy wineconsole internal data
*/
static void WINECON_Delete(struct inner_data* data)
{
if (!data) return;
if (data->hConIn) CloseHandle(data->hConIn);
if (data->hConOut) CloseHandle(data->hConOut);
if (data->hSynchro) CloseHandle(data->hSynchro);
if (data->cells) HeapFree(GetProcessHeap(), 0, data->cells);
if (data->fnDeleteBackend) data->fnDeleteBackend(data);
HeapFree(GetProcessHeap(), 0, data);
}
/******************************************************************
* WINECON_Init
*
* Initialisation part I. Creation of server object (console input and
* active screen buffer)
*/
static struct inner_data* WINECON_Init(HINSTANCE hInst, void* pid)
{
struct inner_data* data = NULL;
DWORD ret;
WCHAR szTitle[] = {'W','i','n','e',' ','c','o','n','s','o','l','e',0};
data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data));
if (!data) return 0;
/* load default registry settings, and copy them into our current configuration */
WINECON_RegLoad(&data->defcfg);
data->curcfg = data->defcfg;
/* the handles here are created without the whistles and bells required by console
* (mainly because wineconsole doesn't need it)
* - there are not inheritable
* - hConIn is not synchronizable
*/
SERVER_START_REQ(alloc_console)
{
req->access = GENERIC_READ | GENERIC_WRITE;
req->inherit = FALSE;
req->pid = pid;
ret = !wine_server_call_err( req );
data->hConIn = (HANDLE)reply->handle_in;
data->hSynchro = (HANDLE)reply->event;
}
SERVER_END_REQ;
if (!ret) goto error;
SERVER_START_REQ( set_console_input_info )
{
req->handle = (handle_t)data->hConIn;
req->mask = SET_CONSOLE_INPUT_INFO_TITLE;
wine_server_add_data( req, szTitle, strlenW(szTitle) * sizeof(WCHAR) );
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
if (!ret) goto error;
SERVER_START_REQ(create_console_output)
{
req->handle_in = (handle_t)data->hConIn;
req->access = GENERIC_WRITE|GENERIC_READ;
req->share = FILE_SHARE_READ|FILE_SHARE_WRITE;
req->inherit = FALSE;
data->hConOut = (HANDLE)(wine_server_call_err( req ) ? 0 : reply->handle_out);
}
SERVER_END_REQ;
if (data->hConOut) return data;
error:
WINECON_Delete(data);
return NULL;
}
/******************************************************************
* WINECON_Spawn
*
* Spawn the child processus when invoked with wineconsole foo bar
*/
static BOOL WINECON_Spawn(struct inner_data* data, LPCSTR lpCmdLine)
{
PROCESS_INFORMATION info;
STARTUPINFO startup;
LPWSTR ptr = GetCommandLine(); /* we're unicode... */
BOOL done;
/* we're in the case wineconsole <exe> <options>... spawn the new process */
memset(&startup, 0, sizeof(startup));
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESTDHANDLES;
/* the attributes of wineconsole's handles are not adequate for inheritance, so
* get them with the correct attributes before process creation
*/
if (!DuplicateHandle(GetCurrentProcess(), data->hConIn, GetCurrentProcess(),
&startup.hStdInput, GENERIC_READ|GENERIC_WRITE|SYNCHRONIZE, TRUE, 0) ||
!DuplicateHandle(GetCurrentProcess(), data->hConOut, GetCurrentProcess(),
&startup.hStdOutput, GENERIC_READ|GENERIC_WRITE, TRUE, 0) ||
!DuplicateHandle(GetCurrentProcess(), data->hConOut, GetCurrentProcess(),
&startup.hStdError, GENERIC_READ|GENERIC_WRITE, TRUE, 0))
{
Trace(0, "can't dup handles\n");
/* no need to delete handles, we're exiting the programm anyway */
return FALSE;
}
/* we could have several ' ' in process command line... so try first space...
* FIXME:
* the correct way would be to check the existence of the left part of ptr
* (to be a file)
*/
while (*ptr && *ptr++ != ' ');
done = *ptr && CreateProcess(NULL, ptr, NULL, NULL, TRUE, 0L, NULL, NULL, &startup, &info);
/* we no longer need the handles passed to the child for the console */
CloseHandle(startup.hStdInput);
CloseHandle(startup.hStdOutput);
CloseHandle(startup.hStdError);
return done;
}
/******************************************************************
* WINECON_HasEvent
*
*
*/
static BOOL WINECON_HasEvent(LPCSTR ptr, unsigned *evt)
{
while (*ptr == ' ' || *ptr == '\t') ptr++;
if (strncmp(ptr, "--use-event=", 12)) return FALSE;
return sscanf(ptr + 12, "%d", evt) == 1;
}
/******************************************************************
* WINECON_WinMain
*
* wineconsole can either be started as:
* wineconsole --use-event=<int> used when a new console is created (AllocConsole)
* wineconsole <pgm> <arguments> used to start the program <pgm> from the command line in
* a freshly created console
*/
int PASCAL WINECON_WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPCSTR lpCmdLine, UINT nCmdShow)
{
struct inner_data* data;
int ret = 1;
unsigned evt;
/* case of wineconsole <evt>, signal process that created us that we're up and running */
if (WINECON_HasEvent(lpCmdLine, &evt))
{
if (!(data = WINECON_Init(hInst, 0))) return 0;
ret = SetEvent((HANDLE)evt);
}
else
{
if (!(data = WINECON_Init(hInst, (void*)GetCurrentProcessId()))) return 0;
ret = WINECON_Spawn(data, lpCmdLine);
}
if (ret && WCUSER_InitBackend(data))
{
ret = data->fnMainLoop(data);
}
WINECON_Delete(data);
return ret;
}