Sweden-Number/programs/wineconsole/wineconsole.c

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/*
* an application for displaying Win32 console
*
* Copyright 2001, 2002 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 "config.h"
#include "wine/port.h"
#include <stdio.h>
#include "wine/server.h"
#include "wine/unicode.h"
#include "winecon_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wineconsole);
void WINECON_Fatal(const char* msg)
{
WINE_ERR("%s\n", msg);
ExitProcess(0);
}
/******************************************************************
* 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 = (obj_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 = (obj_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 = (obj_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 = (obj_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 = (obj_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 = (obj_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 = (obj_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)
{
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struct console_renderer_event evts[256];
int i, num, curs = -1;
HANDLE h;
SERVER_START_REQ( get_console_renderer_events )
{
wine_server_set_reply( req, evts, sizeof(evts) );
req->handle = (obj_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) {WINE_WARN("hmm renderer signaled but no events available\n"); return 1;}
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/* FIXME: should do some event compression here (cursor pos, update) */
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/* step 1: keep only last cursor pos event */
for (i = num - 1; i >= 0; i--)
{
if (evts[i].event == CONSOLE_RENDERER_CURSOR_POS_EVENT)
{
if (curs == -1)
curs = i;
else
{
memmove(&evts[i], &evts[i+1], (num - i - 1) * sizeof(evts[0]));
num--;
}
}
}
/* step 2: manage update events */
for (i = 0; i < num - 1; i++)
{
if (evts[i].event == CONSOLE_RENDERER_UPDATE_EVENT &&
evts[i+1].event == CONSOLE_RENDERER_UPDATE_EVENT)
{
/* contiguous */
if (evts[i].u.update.bottom + 1 == evts[i+1].u.update.top)
{
evts[i].u.update.bottom = evts[i+1].u.update.bottom;
memmove(&evts[i+1], &evts[i+2], (num - i - 2) * sizeof(evts[0]));
num--; i--;
}
/* already handled cases */
else if (evts[i].u.update.top <= evts[i+1].u.update.top &&
evts[i].u.update.bottom >= evts[i+1].u.update.bottom)
{
memmove(&evts[i+1], &evts[i+2], (num - i - 2) * sizeof(evts[0]));
num--; i--;
}
}
}
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WINE_TRACE("Events:");
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;
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if (WINE_TRACE_ON(wineconsole))
WINE_DPRINTF(" active(%d)", (int)h);
if (h)
{
CloseHandle(data->hConOut);
data->hConOut = h;
}
break;
case CONSOLE_RENDERER_SB_RESIZE_EVENT:
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if (data->curcfg.sb_width != evts[i].u.resize.width ||
data->curcfg.sb_height != evts[i].u.resize.height || !data->cells)
{
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if (WINE_TRACE_ON(wineconsole))
WINE_DPRINTF(" 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;
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data->cells = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, data->cells,
data->curcfg.sb_width * data->curcfg.sb_height * sizeof(CHAR_INFO));
if (!data->cells) WINECON_Fatal("OOM\n");
data->fnResizeScreenBuffer(data);
data->fnComputePositions(data);
}
break;
case CONSOLE_RENDERER_UPDATE_EVENT:
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if (WINE_TRACE_ON(wineconsole))
WINE_DPRINTF(" 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)
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{
data->cursor.X = evts[i].u.cursor_pos.x;
data->cursor.Y = evts[i].u.cursor_pos.y;
data->fnPosCursor(data);
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if (WINE_TRACE_ON(wineconsole))
WINE_DPRINTF(" curs-pos(%d,%d)",evts[i].u.cursor_pos.x, evts[i].u.cursor_pos.y);
}
break;
case CONSOLE_RENDERER_CURSOR_GEOM_EVENT:
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if (evts[i].u.cursor_geom.size != data->curcfg.cursor_size ||
evts[i].u.cursor_geom.visible != data->curcfg.cursor_visible)
{
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data->fnShapeCursor(data, evts[i].u.cursor_geom.size,
evts[i].u.cursor_geom.visible, FALSE);
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if (WINE_TRACE_ON(wineconsole))
WINE_DPRINTF(" 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);
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if (WINE_TRACE_ON(wineconsole))
WINE_DPRINTF(" 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);
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if (WINE_TRACE_ON(wineconsole))
WINE_DPRINTF(" v-scroll(%d)", evts[i].u.display.top);
}
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if (evts[i].u.display.width != data->curcfg.win_width ||
evts[i].u.display.height != data->curcfg.win_height)
{
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if (WINE_TRACE_ON(wineconsole))
WINE_DPRINTF(" 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:
if (WINE_TRACE_ON(wineconsole)) WINE_DPRINTF(". Exit!!\n");
return 0;
default:
WINE_FIXME("Unknown event type (%d)\n", evts[i].event);
}
}
if (WINE_TRACE_ON(wineconsole)) WINE_DPRINTF(".\n");
return 1;
}
/******************************************************************
* WINECON_SetConfig
*
* Apply to data all the configuration elements from cfg. This includes modification
* of server side equivalent and visual parts.
* If force is FALSE, only the changed items are modified.
*/
void WINECON_SetConfig(struct inner_data* data,
const struct config_data* cfg, BOOL force)
{
if (force || data->curcfg.cursor_size != cfg->cursor_size ||
data->curcfg.cursor_visible != cfg->cursor_visible)
{
CONSOLE_CURSOR_INFO cinfo;
cinfo.dwSize = cfg->cursor_size;
/* <FIXME>: this hack is needed to pass thru the invariant test operation on server side
* (no notification is sent when invariant operation is requested
*/
cinfo.bVisible = !cfg->cursor_visible;
SetConsoleCursorInfo(data->hConOut, &cinfo);
/* </FIXME> */
cinfo.bVisible = cfg->cursor_visible;
/* this shall update (through notif) curcfg */
SetConsoleCursorInfo(data->hConOut, &cinfo);
}
if (force || data->curcfg.history_size != cfg->history_size)
{
data->curcfg.history_size = cfg->history_size;
WINECON_SetHistorySize(data->hConIn, cfg->history_size);
}
if (force || data->curcfg.history_nodup != cfg->history_nodup)
{
data->curcfg.history_nodup = cfg->history_nodup;
WINECON_SetHistoryMode(data->hConIn, cfg->history_nodup);
}
data->curcfg.menu_mask = cfg->menu_mask;
data->curcfg.quick_edit = cfg->quick_edit;
if (force || 1 /* FIXME: font info has changed */)
{
data->fnSetFont(data, cfg->face_name, cfg->cell_height, cfg->font_weight);
}
if (force || data->curcfg.def_attr != cfg->def_attr)
{
data->curcfg.def_attr = cfg->def_attr;
SetConsoleTextAttribute(data->hConOut, cfg->def_attr);
}
if (force || data->curcfg.sb_width != cfg->sb_width ||
data->curcfg.sb_height != cfg->sb_height)
{
COORD c;
c.X = cfg->sb_width;
c.Y = cfg->sb_height;
/* this shall update (through notif) curcfg */
SetConsoleScreenBufferSize(data->hConOut, c);
}
if (force || data->curcfg.win_width != cfg->win_width ||
data->curcfg.win_height != cfg->win_height)
{
SMALL_RECT pos;
pos.Left = pos.Top = 0;
pos.Right = cfg->win_width - 1;
pos.Bottom = cfg->win_height - 1;
/* this shall update (through notif) curcfg */
SetConsoleWindowInfo(data->hConOut, FALSE, &pos);
}
data->curcfg.exit_on_die = cfg->exit_on_die;
/* we now need to gather all events we got from the operations above,
* in order to get data correctly updated
*/
WINECON_GrabChanges(data);
}
/******************************************************************
* 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, DWORD pid, LPCWSTR appname,
BOOL (*backend)(struct inner_data*))
{
struct inner_data* data = NULL;
DWORD ret;
struct config_data cfg;
STARTUPINFOW si;
data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data));
if (!data) return 0;
GetStartupInfo(&si);
if (pid == 0)
{
if (!si.lpTitle) WINECON_Fatal("Should have a title set");
appname = si.lpTitle;
}
/* load settings */
WINECON_RegLoad(appname, &cfg);
/* some overrides */
if (pid == 0)
{
if (si.dwFlags & STARTF_USECOUNTCHARS)
{
cfg.sb_width = si.dwXCountChars;
cfg.sb_height = si.dwYCountChars;
}
if (si.dwFlags & STARTF_USEFILLATTRIBUTE)
cfg.def_attr = si.dwFillAttribute;
/* should always be defined */
}
/* the handles here are created without the whistles and bells required by console
* (mainly because wineconsole doesn't need it)
* - they 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;
WINE_TRACE("using hConIn %p, hSynchro event %p\n", data->hConIn, data->hSynchro);
SERVER_START_REQ( set_console_input_info )
{
req->handle = (obj_handle_t)data->hConIn;
req->mask = SET_CONSOLE_INPUT_INFO_TITLE;
wine_server_add_data( req, appname, strlenW(appname) * sizeof(WCHAR) );
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
if (!ret) goto error;
SERVER_START_REQ(create_console_output)
{
req->handle_in = (obj_handle_t)data->hConIn;
req->access = GENERIC_WRITE|GENERIC_READ;
req->share = FILE_SHARE_READ|FILE_SHARE_WRITE;
req->inherit = FALSE;
ret = !wine_server_call_err( req );
data->hConOut = (HANDLE)reply->handle_out;
}
SERVER_END_REQ;
if (!ret) goto error;
WINE_TRACE("using hConOut %p\n", data->hConOut);
/* filling data->curcfg from cfg */
if ((*backend)(data))
{
WINECON_SetConfig(data, &cfg, TRUE);
data->curcfg.registry = cfg.registry;
WINECON_DumpConfig("fint", &data->curcfg);
return data;
}
error:
WINE_ERR("failed to init.\n");
WINECON_Delete(data);
return NULL;
}
/******************************************************************
* WINECON_Spawn
*
* Spawn the child process when invoked with wineconsole foo bar
*/
static BOOL WINECON_Spawn(struct inner_data* data, LPWSTR cmdLine)
{
PROCESS_INFORMATION info;
STARTUPINFO startup;
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) ||
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!DuplicateHandle(GetCurrentProcess(), data->hConOut, GetCurrentProcess(),
&startup.hStdOutput, GENERIC_READ|GENERIC_WRITE, TRUE, 0) ||
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!DuplicateHandle(GetCurrentProcess(), data->hConOut, GetCurrentProcess(),
&startup.hStdError, GENERIC_READ|GENERIC_WRITE, TRUE, 0))
{
WINE_ERR("Can't dup handles\n");
/* no need to delete handles, we're exiting the programm anyway */
return FALSE;
}
done = CreateProcess(NULL, cmdLine, NULL, NULL, TRUE, 0L, NULL, NULL, &startup, &info);
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/* 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;
}
/******************************************************************
* 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 WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpCmdLine, INT nCmdShow)
{
struct inner_data* data;
int ret = 1;
unsigned evt;
BOOL (*backend)(struct inner_data*);
backend = WCUSER_InitBackend;
/* 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, NULL, backend))) return 0;
ret = SetEvent((HANDLE)evt);
if (!ret)
{
WINE_ERR("SetEvent failed.\n");
goto cleanup;
}
}
else
{
LPWSTR wcmdLine = GetCommandLine() /* we're unicode... */;
LPWSTR src, dst;
WCHAR buffer[256];
/* remove wineconsole from commandline...
* 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 (*wcmdLine && *wcmdLine++ != ' ');
/* FIXME: see above */
src = wcmdLine; dst = buffer;
while (*src && *src != ' ') *dst++ = *src++;
*dst = 0;
if (!(data = WINECON_Init(hInst, GetCurrentProcessId(), buffer, backend))) return 0;
ret = WINECON_Spawn(data, wcmdLine);
if (!ret)
{
WINE_MESSAGE("wineconsole: spawning client program failed. Invalid/missing command line arguments ?\n");
goto cleanup;
}
}
if (ret)
{
WINE_TRACE("calling MainLoop.\n");
ret = data->fnMainLoop(data);
}
cleanup:
WINECON_Delete(data);
return ret;
}