# network_chat_gui.cpp

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    00001 /* $Id: network_chat_gui.cpp 18683 2010-01-01 18:45:40Z rubidium $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD 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.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include <stdarg.h> /* va_list */
    00013
    00014 #ifdef ENABLE_NETWORK
    00015
    00016 #include "../stdafx.h"
    00017 #include "../date_func.h"
    00018 #include "../gfx_func.h"
    00019 #include "../strings_func.h"
    00020 #include "../blitter/factory.hpp"
    00021 #include "../console_func.h"
    00022 #include "../video/video_driver.hpp"
    00023 #include "../table/sprites.h"
    00024 #include "../querystring_gui.h"
    00025 #include "../town.h"
    00026 #include "../window_func.h"
    00027 #include "network_internal.h"
    00028 #include "network_client.h"
    00029
    00030 #include "table/strings.h"
    00031
    00032 /* The draw buffer must be able to contain the chat message, client name and the "[All]" message,
    00033  * some spaces and possible translations of [All] to other languages. */
    00034 assert_compile((int)DRAW_STRING_BUFFER >= (int)NETWORK_CHAT_LENGTH + NETWORK_NAME_LENGTH + 40);
    00035
    00036 enum {
    00037   NETWORK_CHAT_LINE_SPACING = 3,
    00038 };
    00039
    00040 struct ChatMessage {
    00041   char message[DRAW_STRING_BUFFER];
    00042   TextColour colour;
    00043   Date end_date;
    00044 };
    00045
    00046 /* used for chat window */
    00047 static ChatMessage *_chatmsg_list = NULL;
    00048 static bool _chatmessage_dirty = false;
    00049 static bool _chatmessage_visible = false;
    00050 static bool _chat_tab_completion_active;
    00051 static uint MAX_CHAT_MESSAGES = 0;
    00052
    00053 /* The chatbox grows from the bottom so the coordinates are pixels from
    00054  * the left and pixels from the bottom. The height is the maximum height */
    00055 static PointDimension _chatmsg_box;
    00056 static uint8 *_chatmessage_backup = NULL;
    00057
    00058 static inline uint GetChatMessageCount()
    00059 {
    00060   uint i = 0;
    00061   for (; i < MAX_CHAT_MESSAGES; i++) {
    00062     if (_chatmsg_list[i].message[0] == '\0') break;
    00063   }
    00064
    00065   return i;
    00066 }
    00067
    00074 void CDECL NetworkAddChatMessage(TextColour colour, uint8 duration, const char *message, ...)
    00075 {
    00076   char buf[DRAW_STRING_BUFFER];
    00077   const char *bufp;
    00078   va_list va;
    00079   uint msg_count;
    00080   uint16 lines;
    00081
    00082   va_start(va, message);
    00083   vsnprintf(buf, lengthof(buf), message, va);
    00084   va_end(va);
    00085
    00086   Utf8TrimString(buf, DRAW_STRING_BUFFER);
    00087
    00088   /* Force linebreaks for strings that are too long */
    00089   lines = GB(FormatStringLinebreaks(buf, lastof(buf), _chatmsg_box.width - 8), 0, 16) + 1;
    00090   if (lines >= MAX_CHAT_MESSAGES) return;
    00091
    00092   msg_count = GetChatMessageCount();
    00093   /* We want to add more chat messages than there is free space for, remove 'old' */
    00094   if (lines > MAX_CHAT_MESSAGES - msg_count) {
    00095     int i = lines - (MAX_CHAT_MESSAGES - msg_count);
    00096     memmove(&_chatmsg_list[0], &_chatmsg_list[i], sizeof(_chatmsg_list[0]) * (msg_count - i));
    00097     msg_count = MAX_CHAT_MESSAGES - lines;
    00098   }
    00099
    00100   for (bufp = buf; lines != 0; lines--) {
    00101     ChatMessage *cmsg = &_chatmsg_list[msg_count++];
    00102     strecpy(cmsg->message, bufp, lastof(cmsg->message));
    00103
    00104     /* The default colour for a message is company colour. Replace this with
    00105      * white for any additional lines */
    00106     cmsg->colour = (bufp == buf && (colour & IS_PALETTE_COLOUR)) ? colour : TC_WHITE;
    00107     cmsg->end_date = _date + duration;
    00108
    00109     bufp += strlen(bufp) + 1; // jump to 'next line' in the formatted string
    00110   }
    00111
    00112   _chatmessage_dirty = true;
    00113 }
    00114
    00115 void NetworkInitChatMessage()
    00116 {
    00117   MAX_CHAT_MESSAGES   = _settings_client.gui.network_chat_box_height;
    00118
    00119   _chatmsg_list       = ReallocT(_chatmsg_list, _settings_client.gui.network_chat_box_height);
    00120   _chatmsg_box.x      = 10;
    00121   _chatmsg_box.y      = 3 * FONT_HEIGHT_NORMAL;
    00122   _chatmsg_box.width  = _settings_client.gui.network_chat_box_width;
    00123   _chatmsg_box.height = _settings_client.gui.network_chat_box_height * (FONT_HEIGHT_NORMAL + NETWORK_CHAT_LINE_SPACING) + 2;
    00124   _chatmessage_backup = ReallocT(_chatmessage_backup, _chatmsg_box.width * _chatmsg_box.height * BlitterFactoryBase::GetCurrentBlitter()->GetBytesPerPixel());
    00125
    00126   for (uint i = 0; i < MAX_CHAT_MESSAGES; i++) {
    00127     _chatmsg_list[i].message[0] = '\0';
    00128   }
    00129 }
    00130
    00132 void NetworkUndrawChatMessage()
    00133 {
    00134   /* Sometimes we also need to hide the cursor
    00135    *   This is because both textmessage and the cursor take a shot of the
    00136    *   screen before drawing.
    00137    *   Now the textmessage takes his shot and paints his data before the cursor
    00138    *   does, so in the shot of the cursor is the screen-data of the textmessage
    00139    *   included when the cursor hangs somewhere over the textmessage. To
    00140    *   avoid wrong repaints, we undraw the cursor in that case, and everything
    00141    *   looks nicely ;)
    00142    * (and now hope this story above makes sense to you ;))
    00143    */
    00144   if (_cursor.visible &&
    00145       _cursor.draw_pos.x + _cursor.draw_size.x >= _chatmsg_box.x &&
    00146       _cursor.draw_pos.x <= _chatmsg_box.x + _chatmsg_box.width &&
    00147       _cursor.draw_pos.y + _cursor.draw_size.y >= _screen.height - _chatmsg_box.y - _chatmsg_box.height &&
    00148       _cursor.draw_pos.y <= _screen.height - _chatmsg_box.y) {
    00149     UndrawMouseCursor();
    00150   }
    00151
    00152   if (_chatmessage_visible) {
    00153     Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
    00154     int x      = _chatmsg_box.x;
    00155     int y      = _screen.height - _chatmsg_box.y - _chatmsg_box.height;
    00156     int width  = _chatmsg_box.width;
    00157     int height = _chatmsg_box.height;
    00158     if (y < 0) {
    00159       height = max(height + y, min(_chatmsg_box.height, _screen.height));
    00160       y = 0;
    00161     }
    00162     if (x + width >= _screen.width) {
    00163       width = _screen.width - x;
    00164     }
    00165     if (width <= 0 || height <= 0) return;
    00166
    00167     _chatmessage_visible = false;
    00168     /* Put our 'shot' back to the screen */
    00169     blitter->CopyFromBuffer(blitter->MoveTo(_screen.dst_ptr, x, y), _chatmessage_backup, width, height);
    00170     /* And make sure it is updated next time */
    00171     _video_driver->MakeDirty(x, y, width, height);
    00172
    00173     _chatmessage_dirty = true;
    00174   }
    00175 }
    00176
    00178 void NetworkChatMessageDailyLoop()
    00179 {
    00180   for (uint i = 0; i < MAX_CHAT_MESSAGES; i++) {
    00181     ChatMessage *cmsg = &_chatmsg_list[i];
    00182     if (cmsg->message[0] == '\0') continue;
    00183
    00184     /* Message has expired, remove from the list */
    00185     if (cmsg->end_date < _date) {
    00186       /* Move the remaining messages over the current message */
    00187       if (i != MAX_CHAT_MESSAGES - 1) memmove(cmsg, cmsg + 1, sizeof(*cmsg) * (MAX_CHAT_MESSAGES - i - 1));
    00188
    00189       /* Mark the last item as empty */
    00190       _chatmsg_list[MAX_CHAT_MESSAGES - 1].message[0] = '\0';
    00191       _chatmessage_dirty = true;
    00192
    00193       /* Go one item back, because we moved the array 1 to the left */
    00194       i--;
    00195     }
    00196   }
    00197 }
    00198
    00200 void NetworkDrawChatMessage()
    00201 {
    00202   Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
    00203   if (!_chatmessage_dirty) return;
    00204
    00205   /* First undraw if needed */
    00206   NetworkUndrawChatMessage();
    00207
    00208   if (_iconsole_mode == ICONSOLE_FULL) return;
    00209
    00210   /* Check if we have anything to draw at all */
    00211   uint count = GetChatMessageCount();
    00212   if (count == 0) return;
    00213
    00214   int x      = _chatmsg_box.x;
    00215   int y      = _screen.height - _chatmsg_box.y - _chatmsg_box.height;
    00216   int width  = _chatmsg_box.width;
    00217   int height = _chatmsg_box.height;
    00218   if (y < 0) {
    00219     height = max(height + y, min(_chatmsg_box.height, _screen.height));
    00220     y = 0;
    00221   }
    00222   if (x + width >= _screen.width) {
    00223     width = _screen.width - x;
    00224   }
    00225   if (width <= 0 || height <= 0) return;
    00226
    00227   assert(blitter->BufferSize(width, height) <= (int)(_chatmsg_box.width * _chatmsg_box.height * blitter->GetBytesPerPixel()));
    00228
    00229   /* Make a copy of the screen as it is before painting (for undraw) */
    00230   blitter->CopyToBuffer(blitter->MoveTo(_screen.dst_ptr, x, y), _chatmessage_backup, width, height);
    00231
    00232   _cur_dpi = &_screen; // switch to _screen painting
    00233
    00234   /* Paint a half-transparent box behind the chat messages */
    00235   GfxFillRect(
    00236       _chatmsg_box.x,
    00237       _screen.height - _chatmsg_box.y - count * (FONT_HEIGHT_NORMAL + NETWORK_CHAT_LINE_SPACING) - 2,
    00238       _chatmsg_box.x + _chatmsg_box.width - 1,
    00239       _screen.height - _chatmsg_box.y - 2,
    00240       PALETTE_TO_TRANSPARENT, FILLRECT_RECOLOUR // black, but with some alpha for background
    00241     );
    00242
    00243   /* Paint the chat messages starting with the lowest at the bottom */
    00244   for (uint y = FONT_HEIGHT_NORMAL + NETWORK_CHAT_LINE_SPACING; count-- != 0; y += (FONT_HEIGHT_NORMAL + NETWORK_CHAT_LINE_SPACING)) {
    00245     DrawString(_chatmsg_box.x + 3, _chatmsg_box.x + _chatmsg_box.width - 1, _screen.height - _chatmsg_box.y - y + 1, _chatmsg_list[count].message, _chatmsg_list[count].colour);
    00246   }
    00247
    00248   /* Make sure the data is updated next flush */
    00249   _video_driver->MakeDirty(x, y, width, height);
    00250
    00251   _chatmessage_visible = true;
    00252   _chatmessage_dirty = false;
    00253 }
    00254
    00255
    00256 static void SendChat(const char *buf, DestType type, int dest)
    00257 {
    00258   if (StrEmpty(buf)) return;
    00259   if (!_network_server) {
    00260     SEND_COMMAND(PACKET_CLIENT_CHAT)((NetworkAction)(NETWORK_ACTION_CHAT + type), type, dest, buf, 0);
    00261   } else {
    00262     NetworkServerSendChat((NetworkAction)(NETWORK_ACTION_CHAT + type), type, dest, buf, CLIENT_ID_SERVER);
    00263   }
    00264 }
    00265
    00267 enum NetWorkChatWidgets {
    00268   NWCW_CLOSE,
    00269   NWCW_BACKGROUND,
    00270   NWCW_DESTINATION,
    00271   NWCW_TEXTBOX,
    00272   NWCW_SENDBUTTON,
    00273 };
    00274
    00275 struct NetworkChatWindow : public QueryStringBaseWindow {
    00276   DestType dtype;
    00277   StringID dest_string;
    00278   int dest;
    00279
    00280   NetworkChatWindow(const WindowDesc *desc, DestType type, int dest) : QueryStringBaseWindow(NETWORK_CHAT_LENGTH)
    00281   {
    00282     this->dtype   = type;
    00283     this->dest    = dest;
    00284     this->afilter = CS_ALPHANUMERAL;
    00285     InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, 0);
    00286
    00287     static const StringID chat_captions[] = {
    00288       STR_NETWORK_CHAT_ALL_CAPTION,
    00289       STR_NETWORK_CHAT_COMPANY_CAPTION,
    00290       STR_NETWORK_CHAT_CLIENT_CAPTION
    00291     };
    00292     assert((uint)this->dtype < lengthof(chat_captions));
    00293     this->dest_string = chat_captions[this->dtype];
    00294
    00295     this->InitNested(desc, type);
    00296
    00297     this->SetFocusedWidget(NWCW_TEXTBOX);
    00298     InvalidateWindowData(WC_NEWS_WINDOW, 0, this->height);
    00299     _chat_tab_completion_active = false;
    00300   }
    00301
    00302   ~NetworkChatWindow()
    00303   {
    00304     InvalidateWindowData(WC_NEWS_WINDOW, 0, 0);
    00305   }
    00306
    00313   const char *ChatTabCompletionNextItem(uint *item)
    00314   {
    00315     static char chat_tab_temp_buffer[64];
    00316
    00317     /* First, try clients */
    00318     if (*item < MAX_CLIENT_SLOTS) {
    00319       /* Skip inactive clients */
    00320       NetworkClientInfo *ci;
    00321       FOR_ALL_CLIENT_INFOS_FROM(ci, *item) {
    00322         *item = ci->index;
    00323         return ci->client_name;
    00324       }
    00325       *item = MAX_CLIENT_SLOTS;
    00326     }
    00327
    00328     /* Then, try townnames
    00329      * Not that the following assumes all town indices are adjacent, ie no
    00330      * towns have been deleted. */
    00331     if (*item < (uint)MAX_CLIENT_SLOTS + Town::GetPoolSize()) {
    00332       const Town *t;
    00333
    00334       FOR_ALL_TOWNS_FROM(t, *item - MAX_CLIENT_SLOTS) {
    00335         /* Get the town-name via the string-system */
    00336         SetDParam(0, t->index);
    00337         GetString(chat_tab_temp_buffer, STR_TOWN_NAME, lastof(chat_tab_temp_buffer));
    00338         return &chat_tab_temp_buffer[0];
    00339       }
    00340     }
    00341
    00342     return NULL;
    00343   }
    00344
    00350   static char *ChatTabCompletionFindText(char *buf)
    00351   {
    00352     char *p = strrchr(buf, ' ');
    00353     if (p == NULL) return buf;
    00354
    00355     *p = '\0';
    00356     return p + 1;
    00357   }
    00358
    00362   void ChatTabCompletion()
    00363   {
    00364     static char _chat_tab_completion_buf[NETWORK_CHAT_LENGTH];
    00365     assert(this->edit_str_size == lengthof(_chat_tab_completion_buf));
    00366
    00367     Textbuf *tb = &this->text;
    00368     size_t len, tb_len;
    00369     uint item;
    00370     char *tb_buf, *pre_buf;
    00371     const char *cur_name;
    00372     bool second_scan = false;
    00373
    00374     item = 0;
    00375
    00376     /* Copy the buffer so we can modify it without damaging the real data */
    00377     pre_buf = (_chat_tab_completion_active) ? strdup(_chat_tab_completion_buf) : strdup(tb->buf);
    00378
    00379     tb_buf  = ChatTabCompletionFindText(pre_buf);
    00380     tb_len  = strlen(tb_buf);
    00381
    00382     while ((cur_name = ChatTabCompletionNextItem(&item)) != NULL) {
    00383       item++;
    00384
    00385       if (_chat_tab_completion_active) {
    00386         /* We are pressing TAB again on the same name, is there another name
    00387          *  that starts with this? */
    00388         if (!second_scan) {
    00389           size_t offset;
    00390           size_t length;
    00391
    00392           /* If we are completing at the begin of the line, skip the ': ' we added */
    00393           if (tb_buf == pre_buf) {
    00394             offset = 0;
    00395             length = (tb->size - 1) - 2;
    00396           } else {
    00397             /* Else, find the place we are completing at */
    00398             offset = strlen(pre_buf) + 1;
    00399             length = (tb->size - 1) - offset;
    00400           }
    00401
    00402           /* Compare if we have a match */
    00403           if (strlen(cur_name) == length && strncmp(cur_name, tb->buf + offset, length) == 0) second_scan = true;
    00404
    00405           continue;
    00406         }
    00407
    00408         /* Now any match we make on _chat_tab_completion_buf after this, is perfect */
    00409       }
    00410
    00411       len = strlen(cur_name);
    00412       if (tb_len < len && strncasecmp(cur_name, tb_buf, tb_len) == 0) {
    00413         /* Save the data it was before completion */
    00414         if (!second_scan) snprintf(_chat_tab_completion_buf, lengthof(_chat_tab_completion_buf), "%s", tb->buf);
    00415         _chat_tab_completion_active = true;
    00416
    00417         /* Change to the found name. Add ': ' if we are at the start of the line (pretty) */
    00418         if (pre_buf == tb_buf) {
    00419           snprintf(tb->buf, this->edit_str_size, "%s: ", cur_name);
    00420         } else {
    00421           snprintf(tb->buf, this->edit_str_size, "%s %s", pre_buf, cur_name);
    00422         }
    00423
    00424         /* Update the textbuffer */
    00425         UpdateTextBufferSize(&this->text);
    00426
    00427         this->SetDirty();
    00428         free(pre_buf);
    00429         return;
    00430       }
    00431     }
    00432
    00433     if (second_scan) {
    00434       /* We walked all posibilities, and the user presses tab again.. revert to original text */
    00435       strcpy(tb->buf, _chat_tab_completion_buf);
    00436       _chat_tab_completion_active = false;
    00437
    00438       /* Update the textbuffer */
    00439       UpdateTextBufferSize(&this->text);
    00440
    00441       this->SetDirty();
    00442     }
    00443     free(pre_buf);
    00444   }
    00445
    00446   virtual void OnPaint()
    00447   {
    00448     this->DrawWidgets();
    00449     this->DrawEditBox(NWCW_TEXTBOX);
    00450   }
    00451
    00452   virtual Point OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number)
    00453   {
    00454     Point pt = { (_screen.width - max(sm_width, desc->default_width)) / 2, _screen.height - sm_height - FindWindowById(WC_STATUS_BAR, 0)->height };
    00455     return pt;
    00456   }
    00457
    00458   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00459   {
    00460     if (widget != NWCW_DESTINATION) return;
    00461
    00462     if (this->dtype == DESTTYPE_CLIENT) {
    00463       SetDParamStr(0, NetworkFindClientInfoFromClientID((ClientID)this->dest)->client_name);
    00464     }
    00465     Dimension d = GetStringBoundingBox(this->dest_string);
    00466     d.width  += WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    00467     d.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
    00468     *size = maxdim(*size, d);
    00469   }
    00470
    00471   virtual void DrawWidget(const Rect &r, int widget) const
    00472   {
    00473     if (widget != NWCW_DESTINATION) return;
    00474
    00475     if (this->dtype == DESTTYPE_CLIENT) {
    00476       SetDParamStr(0, NetworkFindClientInfoFromClientID((ClientID)this->dest)->client_name);
    00477     }
    00478     DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, this->dest_string, TC_BLACK, SA_RIGHT);
    00479   }
    00480
    00481   virtual void OnClick(Point pt, int widget)
    00482   {
    00483     switch (widget) {
    00484       /* Send */
    00485       case NWCW_SENDBUTTON: SendChat(this->text.buf, this->dtype, this->dest);
    00486       /* FALLTHROUGH */
    00487       case NWCW_CLOSE: /* Cancel */ delete this; break;
    00488     }
    00489   }
    00490
    00491   virtual void OnMouseLoop()
    00492   {
    00493     this->HandleEditBox(NWCW_TEXTBOX);
    00494   }
    00495
    00496   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
    00497   {
    00498     EventState state = ES_NOT_HANDLED;
    00499     if (keycode == WKC_TAB) {
    00500       ChatTabCompletion();
    00501       state = ES_HANDLED;
    00502     } else {
    00503       _chat_tab_completion_active = false;
    00504       switch (this->HandleEditBoxKey(NWCW_TEXTBOX, key, keycode, state)) {
    00505         default: NOT_REACHED();
    00506         case HEBR_EDITING: {
    00507           Window *osk = FindWindowById(WC_OSK, 0);
    00508           if (osk != NULL && osk->parent == this) osk->InvalidateData();
    00509         } break;
    00510         case HEBR_CONFIRM:
    00511           SendChat(this->text.buf, this->dtype, this->dest);
    00512         /* FALLTHROUGH */
    00513         case HEBR_CANCEL: delete this; break;
    00514         case HEBR_NOT_FOCUSED: break;
    00515       }
    00516     }
    00517     return state;
    00518   }
    00519
    00520   virtual void OnOpenOSKWindow(int wid)
    00521   {
    00522     ShowOnScreenKeyboard(this, wid, NWCW_CLOSE, NWCW_SENDBUTTON);
    00523   }
    00524
    00525   virtual void OnInvalidateData(int data)
    00526   {
    00527     if (data == this->dest) delete this;
    00528   }
    00529 };
    00530
    00531 static const NWidgetPart _nested_chat_window_widgets[] = {
    00532   NWidget(NWID_HORIZONTAL),
    00533     NWidget(WWT_CLOSEBOX, COLOUR_GREY, NWCW_CLOSE),
    00534     NWidget(WWT_PANEL, COLOUR_GREY, NWCW_BACKGROUND),
    00535       NWidget(NWID_HORIZONTAL),
    00536         NWidget(WWT_TEXT, COLOUR_GREY, NWCW_DESTINATION), SetMinimalSize(62, 12), SetPadding(1, 0, 1, 0), SetDataTip(STR_NULL, STR_NULL),
    00537         NWidget(WWT_EDITBOX, COLOUR_GREY, NWCW_TEXTBOX), SetMinimalSize(100, 12), SetPadding(1, 0, 1, 0), SetResize(1, 0),
    00538                                   SetDataTip(STR_NETWORK_CHAT_OSKTITLE, STR_NULL),
    00539         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, NWCW_SENDBUTTON), SetMinimalSize(62, 12), SetPadding(1, 0, 1, 0), SetDataTip(STR_NETWORK_CHAT_SEND, STR_NULL),
    00540       EndContainer(),
    00541     EndContainer(),
    00542   EndContainer(),
    00543 };
    00544
    00545 static const WindowDesc _chat_window_desc(
    00546   WDP_MANUAL, 640, 14, // x, y, width, height
    00547   WC_SEND_NETWORK_MSG, WC_NONE,
    00548   0,
    00549   _nested_chat_window_widgets, lengthof(_nested_chat_window_widgets)
    00550 );
    00551
    00552 void ShowNetworkChatQueryWindow(DestType type, int dest)
    00553 {
    00554   DeleteWindowByClass(WC_SEND_NETWORK_MSG);
    00555   new NetworkChatWindow(&_chat_window_desc, type, dest);
    00556 }
    00557
    00558 #endif /* ENABLE_NETWORK */