# signs_gui.cpp

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    00001 /* $Id$ */
    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 "stdafx.h"
    00013 #include "company_gui.h"
    00014 #include "company_func.h"
    00015 #include "signs_base.h"
    00016 #include "signs_func.h"
    00017 #include "debug.h"
    00018 #include "command_func.h"
    00019 #include "strings_func.h"
    00020 #include "window_func.h"
    00021 #include "map_func.h"
    00022 #include "viewport_func.h"
    00023 #include "querystring_gui.h"
    00024 #include "sortlist_type.h"
    00025 #include "stringfilter_type.h"
    00026 #include "string_func.h"
    00027 #include "core/geometry_func.hpp"
    00028 #include "hotkeys.h"
    00029 #include "transparency.h"
    00030
    00031 #include "widgets/sign_widget.h"
    00032
    00033 #include "table/strings.h"
    00034 #include "table/sprites.h"
    00035
    00036 struct SignList {
    00040   typedef GUIList<const Sign *, StringFilter &> GUISignList;
    00041
    00042   static const Sign *last_sign;
    00043   GUISignList signs;
    00044
    00045   StringFilter string_filter;
    00046   static bool match_case;
    00047
    00051   SignList() : string_filter(&match_case)
    00052   {
    00053   }
    00054
    00055   void BuildSignsList()
    00056   {
    00057     if (!this->signs.NeedRebuild()) return;
    00058
    00059     DEBUG(misc, 3, "Building sign list");
    00060
    00061     this->signs.Clear();
    00062
    00063     const Sign *si;
    00064     FOR_ALL_SIGNS(si) *this->signs.Append() = si;
    00065
    00066     this->signs.SetFilterState(true);
    00067     this->FilterSignList();
    00068     this->signs.Compact();
    00069     this->signs.RebuildDone();
    00070   }
    00071
    00073   static int CDECL SignNameSorter(const Sign * const *a, const Sign * const *b)
    00074   {
    00075     static char buf_cache[64];
    00076     char buf[64];
    00077
    00078     SetDParam(0, (*a)->index);
    00079     GetString(buf, STR_SIGN_NAME, lastof(buf));
    00080
    00081     if (*b != last_sign) {
    00082       last_sign = *b;
    00083       SetDParam(0, (*b)->index);
    00084       GetString(buf_cache, STR_SIGN_NAME, lastof(buf_cache));
    00085     }
    00086
    00087     int r = strnatcmp(buf, buf_cache); // Sort by name (natural sorting).
    00088
    00089     return r != 0 ? r : ((*a)->index - (*b)->index);
    00090   }
    00091
    00092   void SortSignsList()
    00093   {
    00094     if (!this->signs.Sort(&SignNameSorter)) return;
    00095
    00096     /* Reset the name sorter sort cache */
    00097     this->last_sign = NULL;
    00098   }
    00099
    00101   static bool CDECL SignNameFilter(const Sign * const *a, StringFilter &filter)
    00102   {
    00103     /* Get sign string */
    00104     char buf1[MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH];
    00105     SetDParam(0, (*a)->index);
    00106     GetString(buf1, STR_SIGN_NAME, lastof(buf1));
    00107
    00108     filter.ResetState();
    00109     filter.AddLine(buf1);
    00110     return filter.GetState();
    00111   }
    00112
    00114   static bool CDECL OwnerDeityFilter(const Sign * const *a, StringFilter &filter)
    00115   {
    00116     /* You should never be able to edit signs of owner DEITY */
    00117     return (*a)->owner != OWNER_DEITY;
    00118   }
    00119
    00121   static bool CDECL OwnerVisibilityFilter(const Sign * const *a, StringFilter &filter)
    00122   {
    00123     assert(!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS));
    00124     /* Hide sign if non-own signs are hidden in the viewport */
    00125     return (*a)->owner == _local_company || (*a)->owner == OWNER_DEITY;
    00126   }
    00127
    00129   void FilterSignList()
    00130   {
    00131     this->signs.Filter(&SignNameFilter, this->string_filter);
    00132     if (_game_mode != GM_EDITOR) this->signs.Filter(&OwnerDeityFilter, this->string_filter);
    00133     if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS)) {
    00134       this->signs.Filter(&OwnerVisibilityFilter, this->string_filter);
    00135     }
    00136   }
    00137 };
    00138
    00139 const Sign *SignList::last_sign = NULL;
    00140 bool SignList::match_case = false;
    00141
    00143 enum SignListHotkeys {
    00144   SLHK_FOCUS_FILTER_BOX,
    00145 };
    00146
    00147 struct SignListWindow : Window, SignList {
    00148   QueryString filter_editbox;
    00149   int text_offset;
    00150   Scrollbar *vscroll;
    00151
    00152   SignListWindow(const WindowDesc *desc, WindowNumber window_number) : filter_editbox(MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH, MAX_LENGTH_SIGN_NAME_CHARS)
    00153   {
    00154     this->CreateNestedTree(desc);
    00155     this->vscroll = this->GetScrollbar(WID_SIL_SCROLLBAR);
    00156     this->FinishInitNested(desc, window_number);
    00157     this->SetWidgetLoweredState(WID_SIL_FILTER_MATCH_CASE_BTN, SignList::match_case);
    00158
    00159     /* Initialize the text edit widget */
    00160     this->querystrings[WID_SIL_FILTER_TEXT] = &this->filter_editbox;
    00161     this->filter_editbox.ok_button = WID_SIL_FILTER_ENTER_BTN;
    00162     this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
    00163
    00164     /* Initialize the filtering variables */
    00165     this->SetFilterString("");
    00166
    00167     /* Create initial list. */
    00168     this->signs.ForceRebuild();
    00169     this->signs.ForceResort();
    00170     this->BuildSortSignList();
    00171   }
    00172
    00179   void SetFilterString(const char *new_filter_string)
    00180   {
    00181     /* check if there is a new filter string */
    00182     this->string_filter.SetFilterTerm(new_filter_string);
    00183
    00184     /* Rebuild the list of signs */
    00185     this->InvalidateData();
    00186   }
    00187
    00188   virtual void OnPaint()
    00189   {
    00190     if (this->signs.NeedRebuild()) this->BuildSortSignList();
    00191     this->DrawWidgets();
    00192   }
    00193
    00194   virtual void DrawWidget(const Rect &r, int widget) const
    00195   {
    00196     switch (widget) {
    00197       case WID_SIL_LIST: {
    00198         uint y = r.top + WD_FRAMERECT_TOP; // Offset from top of widget.
    00199         /* No signs? */
    00200         if (this->vscroll->GetCount() == 0) {
    00201           DrawString(r.left + WD_FRAMETEXT_LEFT, r.right, y, STR_STATION_LIST_NONE);
    00202           return;
    00203         }
    00204
    00205         bool rtl = _current_text_dir == TD_RTL;
    00206         int sprite_offset_y = (FONT_HEIGHT_NORMAL - 10) / 2 + 1;
    00207         uint icon_left  = 4 + (rtl ? r.right - this->text_offset : r.left);
    00208         uint text_left  = r.left + (rtl ? WD_FRAMERECT_LEFT : this->text_offset);
    00209         uint text_right = r.right - (rtl ? this->text_offset : WD_FRAMERECT_RIGHT);
    00210
    00211         /* At least one sign available. */
    00212         for (uint16 i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < this->vscroll->GetCount(); i++) {
    00213           const Sign *si = this->signs[i];
    00214
    00215           if (si->owner != OWNER_NONE) DrawCompanyIcon(si->owner, icon_left, y + sprite_offset_y);
    00216
    00217           SetDParam(0, si->index);
    00218           DrawString(text_left, text_right, y, STR_SIGN_NAME, TC_YELLOW);
    00219           y += this->resize.step_height;
    00220         }
    00221         break;
    00222       }
    00223     }
    00224   }
    00225
    00226   virtual void SetStringParameters(int widget) const
    00227   {
    00228     if (widget == WID_SIL_CAPTION) SetDParam(0, this->vscroll->GetCount());
    00229   }
    00230
    00231   virtual void OnClick(Point pt, int widget, int click_count)
    00232   {
    00233     switch (widget) {
    00234       case WID_SIL_LIST: {
    00235         uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SIL_LIST, WD_FRAMERECT_TOP);
    00236         if (id_v == INT_MAX) return;
    00237
    00238         const Sign *si = this->signs[id_v];
    00239         ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
    00240         break;
    00241       }
    00242
    00243       case WID_SIL_FILTER_ENTER_BTN:
    00244         if (this->signs.Length() >= 1) {
    00245           const Sign *si = this->signs[0];
    00246           ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
    00247         }
    00248         break;
    00249
    00250       case WID_SIL_FILTER_MATCH_CASE_BTN:
    00251         SignList::match_case = !SignList::match_case; // Toggle match case
    00252         this->SetWidgetLoweredState(WID_SIL_FILTER_MATCH_CASE_BTN, SignList::match_case); // Toggle button pushed state
    00253         this->InvalidateData(); // Rebuild the list of signs
    00254         break;
    00255     }
    00256   }
    00257
    00258   virtual void OnResize()
    00259   {
    00260     this->vscroll->SetCapacityFromWidget(this, WID_SIL_LIST, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
    00261   }
    00262
    00263   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00264   {
    00265     switch (widget) {
    00266       case WID_SIL_LIST: {
    00267         Dimension spr_dim = GetSpriteSize(SPR_COMPANY_ICON);
    00268         this->text_offset = WD_FRAMETEXT_LEFT + spr_dim.width + 2; // 2 pixels space between icon and the sign text.
    00269         resize->height = max<uint>(FONT_HEIGHT_NORMAL, spr_dim.height);
    00270         Dimension d = {this->text_offset + WD_FRAMETEXT_RIGHT, WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM};
    00271         *size = maxdim(*size, d);
    00272         break;
    00273       }
    00274
    00275       case WID_SIL_CAPTION:
    00276         SetDParamMaxValue(0, Sign::GetPoolSize(), 3);
    00277         *size = GetStringBoundingBox(STR_SIGN_LIST_CAPTION);
    00278         size->height += padding.height;
    00279         size->width  += padding.width;
    00280         break;
    00281     }
    00282   }
    00283
    00284   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
    00285   {
    00286     EventState state = ES_NOT_HANDLED;
    00287     if (CheckHotkeyMatch(signlist_hotkeys, keycode, this) == SLHK_FOCUS_FILTER_BOX) {
    00288       this->SetFocusedWidget(WID_SIL_FILTER_TEXT);
    00289       SetFocusedWindow(this); // The user has asked to give focus to the text box, so make sure this window is focused.
    00290       state = ES_HANDLED;
    00291     }
    00292
    00293     return state;
    00294   }
    00295
    00296   virtual void OnEditboxChanged(int widget)
    00297   {
    00298     if (widget == WID_SIL_FILTER_TEXT) this->SetFilterString(this->filter_editbox.text.buf);
    00299   }
    00300
    00301   void BuildSortSignList()
    00302   {
    00303     if (this->signs.NeedRebuild()) {
    00304       this->BuildSignsList();
    00305       this->vscroll->SetCount(this->signs.Length());
    00306       this->SetWidgetDirty(WID_SIL_CAPTION);
    00307     }
    00308     this->SortSignsList();
    00309   }
    00310
    00311   virtual void OnHundredthTick()
    00312   {
    00313     this->BuildSortSignList();
    00314     this->SetDirty();
    00315   }
    00316
    00322   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00323   {
    00324     /* When there is a filter string, we always need to rebuild the list even if
    00325      * the amount of signs in total is unchanged, as the subset of signs that is
    00326      * accepted by the filter might has changed. */
    00327     if (data == 0 || data == -1 || !this->string_filter.IsEmpty()) { // New or deleted sign, changed visibility setting or there is a filter string
    00328       /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
    00329       this->signs.ForceRebuild();
    00330     } else { // Change of sign contents while there is no filter string
    00331       this->signs.ForceResort();
    00332     }
    00333   }
    00334
    00335   static Hotkey<SignListWindow> signlist_hotkeys[];
    00336 };
    00337
    00338 Hotkey<SignListWindow> SignListWindow::signlist_hotkeys[] = {
    00339   Hotkey<SignListWindow>('F', "focus_filter_box", SLHK_FOCUS_FILTER_BOX),
    00340   HOTKEY_LIST_END(SignListWindow)
    00341 };
    00342 Hotkey<SignListWindow> *_signlist_hotkeys = SignListWindow::signlist_hotkeys;
    00343
    00344 static const NWidgetPart _nested_sign_list_widgets[] = {
    00345   NWidget(NWID_HORIZONTAL),
    00346     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00347     NWidget(WWT_CAPTION, COLOUR_GREY, WID_SIL_CAPTION), SetDataTip(STR_SIGN_LIST_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00348     NWidget(WWT_SHADEBOX, COLOUR_GREY),
    00349     NWidget(WWT_STICKYBOX, COLOUR_GREY),
    00350   EndContainer(),
    00351   NWidget(NWID_HORIZONTAL),
    00352     NWidget(NWID_VERTICAL),
    00353       NWidget(WWT_PANEL, COLOUR_GREY, WID_SIL_LIST), SetMinimalSize(WD_FRAMETEXT_LEFT + 16 + 255 + WD_FRAMETEXT_RIGHT, 50),
    00354                 SetResize(1, 10), SetFill(1, 0), SetScrollbar(WID_SIL_SCROLLBAR), EndContainer(),
    00355       NWidget(NWID_HORIZONTAL),
    00356         NWidget(WWT_PANEL, COLOUR_GREY), SetFill(1, 1),
    00357           NWidget(WWT_EDITBOX, COLOUR_GREY, WID_SIL_FILTER_TEXT), SetMinimalSize(80, 12), SetResize(1, 0), SetFill(1, 0), SetPadding(2, 2, 2, 2),
    00358               SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
    00359         EndContainer(),
    00360         NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SIL_FILTER_MATCH_CASE_BTN), SetDataTip(STR_SIGN_LIST_MATCH_CASE, STR_SIGN_LIST_MATCH_CASE_TOOLTIP),
    00361       EndContainer(),
    00362     EndContainer(),
    00363     NWidget(NWID_VERTICAL),
    00364       NWidget(NWID_VERTICAL), SetFill(0, 1),
    00365         NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_SIL_SCROLLBAR),
    00366       EndContainer(),
    00367       NWidget(WWT_RESIZEBOX, COLOUR_GREY),
    00368     EndContainer(),
    00369   EndContainer(),
    00370 };
    00371
    00372 static const WindowDesc _sign_list_desc(
    00373   WDP_AUTO, 358, 138,
    00374   WC_SIGN_LIST, WC_NONE,
    00375   0,
    00376   _nested_sign_list_widgets, lengthof(_nested_sign_list_widgets)
    00377 );
    00378
    00384 Window *ShowSignList()
    00385 {
    00386   return AllocateWindowDescFront<SignListWindow>(&_sign_list_desc, 0);
    00387 }
    00388
    00389 EventState SignListGlobalHotkeys(uint16 key, uint16 keycode)
    00390 {
    00391   int num = CheckHotkeyMatch<SignListWindow>(_signlist_hotkeys, keycode, NULL, true);
    00392   if (num == -1) return ES_NOT_HANDLED;
    00393   Window *w = ShowSignList();
    00394   if (w == NULL) return ES_NOT_HANDLED;
    00395   return w->OnKeyPress(key, keycode);
    00396 }
    00397
    00404 static bool RenameSign(SignID index, const char *text)
    00405 {
    00406   bool remove = StrEmpty(text);
    00407   DoCommandP(0, index, 0, CMD_RENAME_SIGN | (StrEmpty(text) ? CMD_MSG(STR_ERROR_CAN_T_DELETE_SIGN) : CMD_MSG(STR_ERROR_CAN_T_CHANGE_SIGN_NAME)), NULL, text);
    00408   return remove;
    00409 }
    00410
    00411 struct SignWindow : Window, SignList {
    00412   QueryString name_editbox;
    00413   SignID cur_sign;
    00414
    00415   SignWindow(const WindowDesc *desc, const Sign *si) : name_editbox(MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH, MAX_LENGTH_SIGN_NAME_CHARS)
    00416   {
    00417     this->querystrings[WID_QES_TEXT] = &this->name_editbox;
    00418     this->name_editbox.caption = STR_EDIT_SIGN_CAPTION;
    00419     this->name_editbox.cancel_button = WID_QES_CANCEL;
    00420     this->name_editbox.ok_button = WID_QES_OK;
    00421
    00422     this->InitNested(desc, WN_QUERY_STRING_SIGN);
    00423
    00424     UpdateSignEditWindow(si);
    00425     this->SetFocusedWidget(WID_QES_TEXT);
    00426   }
    00427
    00428   void UpdateSignEditWindow(const Sign *si)
    00429   {
    00430     /* Display an empty string when the sign hasn't been edited yet */
    00431     if (si->name != NULL) {
    00432       SetDParam(0, si->index);
    00433       this->name_editbox.text.Assign(STR_SIGN_NAME);
    00434     } else {
    00435       this->name_editbox.text.DeleteAll();
    00436     }
    00437
    00438     this->cur_sign = si->index;
    00439
    00440     this->SetWidgetDirty(WID_QES_TEXT);
    00441     this->SetFocusedWidget(WID_QES_TEXT);
    00442   }
    00443
    00449   const Sign *PrevNextSign(bool next)
    00450   {
    00451     /* Rebuild the sign list */
    00452     this->signs.ForceRebuild();
    00453     this->signs.NeedResort();
    00454     this->BuildSignsList();
    00455     this->SortSignsList();
    00456
    00457     /* Search through the list for the current sign, excluding
    00458      * - the first sign if we want the previous sign or
    00459      * - the last sign if we want the next sign */
    00460     uint end = this->signs.Length() - (next ? 1 : 0);
    00461     for (uint i = next ? 0 : 1; i < end; i++) {
    00462       if (this->cur_sign == this->signs[i]->index) {
    00463         /* We've found the current sign, so return the sign before/after it */
    00464         return this->signs[i + (next ? 1 : -1)];
    00465       }
    00466     }
    00467     /* If we haven't found the current sign by now, return the last/first sign */
    00468     return this->signs[next ? 0 : this->signs.Length() - 1];
    00469   }
    00470
    00471   virtual void SetStringParameters(int widget) const
    00472   {
    00473     switch (widget) {
    00474       case WID_QES_CAPTION:
    00475         SetDParam(0, this->name_editbox.caption);
    00476         break;
    00477     }
    00478   }
    00479
    00480   virtual void OnClick(Point pt, int widget, int click_count)
    00481   {
    00482     switch (widget) {
    00483       case WID_QES_PREVIOUS:
    00484       case WID_QES_NEXT: {
    00485         const Sign *si = this->PrevNextSign(widget == WID_QES_NEXT);
    00486
    00487         /* Rebuild the sign list */
    00488         this->signs.ForceRebuild();
    00489         this->signs.NeedResort();
    00490         this->BuildSignsList();
    00491         this->SortSignsList();
    00492
    00493         /* Scroll to sign and reopen window */
    00494         ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
    00495         UpdateSignEditWindow(si);
    00496         break;
    00497       }
    00498
    00499       case WID_QES_DELETE:
    00500         /* Only need to set the buffer to null, the rest is handled as the OK button */
    00501         RenameSign(this->cur_sign, "");
    00502         /* don't delete this, we are deleted in Sign::~Sign() -> DeleteRenameSignWindow() */
    00503         break;
    00504
    00505       case WID_QES_OK:
    00506         if (RenameSign(this->cur_sign, this->name_editbox.text.buf)) break;
    00507         /* FALL THROUGH */
    00508
    00509       case WID_QES_CANCEL:
    00510         delete this;
    00511         break;
    00512     }
    00513   }
    00514 };
    00515
    00516 static const NWidgetPart _nested_query_sign_edit_widgets[] = {
    00517   NWidget(NWID_HORIZONTAL),
    00518     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00519     NWidget(WWT_CAPTION, COLOUR_GREY, WID_QES_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00520   EndContainer(),
    00521   NWidget(WWT_PANEL, COLOUR_GREY),
    00522     NWidget(WWT_EDITBOX, COLOUR_GREY, WID_QES_TEXT), SetMinimalSize(256, 12), SetDataTip(STR_EDIT_SIGN_SIGN_OSKTITLE, STR_NULL), SetPadding(2, 2, 2, 2),
    00523   EndContainer(),
    00524   NWidget(NWID_HORIZONTAL),
    00525     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_QES_OK), SetMinimalSize(61, 12), SetDataTip(STR_BUTTON_OK, STR_NULL),
    00526     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_QES_CANCEL), SetMinimalSize(60, 12), SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
    00527     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_QES_DELETE), SetMinimalSize(60, 12), SetDataTip(STR_TOWN_VIEW_DELETE_BUTTON, STR_NULL),
    00528     NWidget(WWT_PANEL, COLOUR_GREY), SetFill(1, 1), EndContainer(),
    00529     NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_QES_PREVIOUS), SetMinimalSize(11, 12), SetDataTip(AWV_DECREASE, STR_EDIT_SIGN_PREVIOUS_SIGN_TOOLTIP),
    00530     NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_QES_NEXT), SetMinimalSize(11, 12), SetDataTip(AWV_INCREASE, STR_EDIT_SIGN_NEXT_SIGN_TOOLTIP),
    00531   EndContainer(),
    00532 };
    00533
    00534 static const WindowDesc _query_sign_edit_desc(
    00535   WDP_AUTO, 0, 0,
    00536   WC_QUERY_STRING, WC_NONE,
    00537   WDF_CONSTRUCTION,
    00538   _nested_query_sign_edit_widgets, lengthof(_nested_query_sign_edit_widgets)
    00539 );
    00540
    00545 void HandleClickOnSign(const Sign *si)
    00546 {
    00547   if (_ctrl_pressed && (si->owner == _local_company || (si->owner == OWNER_DEITY && _game_mode == GM_EDITOR))) {
    00548     RenameSign(si->index, NULL);
    00549     return;
    00550   }
    00551   ShowRenameSignWindow(si);
    00552 }
    00553
    00558 void ShowRenameSignWindow(const Sign *si)
    00559 {
    00560   /* Delete all other edit windows */
    00561   DeleteWindowByClass(WC_QUERY_STRING);
    00562
    00563   new SignWindow(&_query_sign_edit_desc, si);
    00564 }
    00565
    00570 void DeleteRenameSignWindow(SignID sign)
    00571 {
    00572   SignWindow *w = dynamic_cast<SignWindow *>(FindWindowById(WC_QUERY_STRING, WN_QUERY_STRING_SIGN));
    00573
    00574   if (w != NULL && w->cur_sign == sign) delete w;
    00575 }