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