# 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 "gfx_func.h"
    00023 #include "viewport_func.h"
    00024 #include "querystring_gui.h"
    00025 #include "sortlist_type.h"
    00026 #include "string_func.h"
    00027 #include "core/geometry_func.hpp"
    00028 #include "hotkeys.h"
    00029
    00030 #include "table/strings.h"
    00031 #include "table/sprites.h"
    00032
    00038 struct FilterInfo {
    00039   const char *string;
    00040   bool case_sensitive;
    00041 };
    00042
    00043 struct SignList {
    00048   typedef GUIList<const Sign *, FilterInfo> GUISignList;
    00049
    00050   static const Sign *last_sign;
    00051   GUISignList signs;
    00052
    00053   char filter_string[MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH];
    00054   static bool match_case;
    00055
    00059   SignList()
    00060   {
    00061     filter_string[0] = '\0';
    00062   }
    00063
    00064   void BuildSignsList()
    00065   {
    00066     if (!this->signs.NeedRebuild()) return;
    00067
    00068     DEBUG(misc, 3, "Building sign list");
    00069
    00070     this->signs.Clear();
    00071
    00072     const Sign *si;
    00073     FOR_ALL_SIGNS(si) *this->signs.Append() = si;
    00074
    00075     this->FilterSignList();
    00076     this->signs.Compact();
    00077     this->signs.RebuildDone();
    00078   }
    00079
    00081   static int CDECL SignNameSorter(const Sign * const *a, const Sign * const *b)
    00082   {
    00083     static char buf_cache[64];
    00084     char buf[64];
    00085
    00086     SetDParam(0, (*a)->index);
    00087     GetString(buf, STR_SIGN_NAME, lastof(buf));
    00088
    00089     if (*b != last_sign) {
    00090       last_sign = *b;
    00091       SetDParam(0, (*b)->index);
    00092       GetString(buf_cache, STR_SIGN_NAME, lastof(buf_cache));
    00093     }
    00094
    00095     int r = strnatcmp(buf, buf_cache); // Sort by name (natural sorting).
    00096
    00097     return r != 0 ? r : ((*a)->index - (*b)->index);
    00098   }
    00099
    00100   void SortSignsList()
    00101   {
    00102     if (!this->signs.Sort(&SignNameSorter)) return;
    00103
    00104     /* Reset the name sorter sort cache */
    00105     this->last_sign = NULL;
    00106   }
    00107
    00109   static bool CDECL SignNameFilter(const Sign * const *a, FilterInfo filter_info)
    00110   {
    00111     /* Get sign string */
    00112     char buf1[MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH];
    00113     SetDParam(0, (*a)->index);
    00114     GetString(buf1, STR_SIGN_NAME, lastof(buf1));
    00115
    00116     return (filter_info.case_sensitive ? strstr(buf1, filter_info.string) : strcasestr(buf1, filter_info.string)) != NULL;
    00117   }
    00118
    00120   void FilterSignList()
    00121   {
    00122     FilterInfo filter_info = {this->filter_string, this->match_case};
    00123     this->signs.Filter(&SignNameFilter, filter_info);
    00124   }
    00125 };
    00126
    00127 const Sign *SignList::last_sign = NULL;
    00128 bool SignList::match_case = false;
    00129
    00131 enum SignListWidgets {
    00132   SLW_CAPTION,
    00133   SLW_LIST,
    00134   SLW_SCROLLBAR,
    00135   SLW_FILTER_TEXT,
    00136   SLW_FILTER_MATCH_CASE_BTN,
    00137   SLW_FILTER_CLEAR_BTN,
    00138 };
    00139
    00141 enum SignListHotkeys {
    00142   SLHK_FOCUS_FILTER_BOX,
    00143 };
    00144
    00145 struct SignListWindow : QueryStringBaseWindow, SignList {
    00146   int text_offset;
    00147   Scrollbar *vscroll;
    00148
    00149   SignListWindow(const WindowDesc *desc, WindowNumber window_number) : QueryStringBaseWindow(MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH, MAX_LENGTH_SIGN_NAME_CHARS)
    00150   {
    00151     this->CreateNestedTree(desc);
    00152     this->vscroll = this->GetScrollbar(SLW_SCROLLBAR);
    00153     this->FinishInitNested(desc, window_number);
    00154     this->SetWidgetLoweredState(SLW_FILTER_MATCH_CASE_BTN, SignList::match_case);
    00155
    00156     /* Initialize the text edit widget */
    00157     this->afilter = CS_ALPHANUMERAL;
    00158     InitializeTextBuffer(&this->text, this->edit_str_buf, MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH, MAX_LENGTH_SIGN_NAME_CHARS, MAX_LENGTH_SIGN_NAME_PIXELS);
    00159     ClearFilterTextWidget();
    00160
    00161     /* Initialize the filtering variables */
    00162     this->SetFilterString("");
    00163
    00164     /* Create initial list. */
    00165     this->signs.ForceRebuild();
    00166     this->signs.ForceResort();
    00167     this->BuildSortSignList();
    00168   }
    00169
    00174   void ClearFilterTextWidget()
    00175   {
    00176     this->edit_str_buf[0] = '\0';
    00177     UpdateTextBufferSize(&this->text);
    00178
    00179     this->SetWidgetDirty(SLW_FILTER_TEXT);
    00180   }
    00181
    00188   void SetFilterString(const char *new_filter_string)
    00189   {
    00190     /* check if there is a new filter string */
    00191     if (!StrEmpty(new_filter_string)) {
    00192       /* Copy new filter string */
    00193       strecpy(this->filter_string, new_filter_string, lastof(this->filter_string));
    00194
    00195       this->signs.SetFilterState(true);
    00196
    00197       this->EnableWidget(SLW_FILTER_CLEAR_BTN);
    00198     } else {
    00199       /* There is no new string -> clear this->filter_string */
    00200       this->filter_string[0] = '\0';
    00201
    00202       this->signs.SetFilterState(false);
    00203       this->DisableWidget(SLW_FILTER_CLEAR_BTN);
    00204     }
    00205
    00206     /* Repaint the clear button since its disabled state may have changed */
    00207     this->SetWidgetDirty(SLW_FILTER_CLEAR_BTN);
    00208
    00209     /* Rebuild the list of signs */
    00210     this->InvalidateData();
    00211   }
    00212
    00213   virtual void OnPaint()
    00214   {
    00215     if (this->signs.NeedRebuild()) this->BuildSortSignList();
    00216     this->DrawWidgets();
    00217     if (!this->IsShaded()) this->DrawEditBox(SLW_FILTER_TEXT);
    00218   }
    00219
    00220   virtual void DrawWidget(const Rect &r, int widget) const
    00221   {
    00222     switch (widget) {
    00223       case SLW_LIST: {
    00224         uint y = r.top + WD_FRAMERECT_TOP; // Offset from top of widget.
    00225         /* No signs? */
    00226         if (this->vscroll->GetCount() == 0) {
    00227           DrawString(r.left + WD_FRAMETEXT_LEFT, r.right, y, STR_STATION_LIST_NONE);
    00228           return;
    00229         }
    00230
    00231         bool rtl = _current_text_dir == TD_RTL;
    00232         int sprite_offset_y = (FONT_HEIGHT_NORMAL - 10) / 2 + 1;
    00233         uint icon_left  = 4 + (rtl ? r.right - this->text_offset : r.left);
    00234         uint text_left  = r.left + (rtl ? WD_FRAMERECT_LEFT : this->text_offset);
    00235         uint text_right = r.right - (rtl ? this->text_offset : WD_FRAMERECT_RIGHT);
    00236
    00237         /* At least one sign available. */
    00238         for (uint16 i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < this->vscroll->GetCount(); i++) {
    00239           const Sign *si = this->signs[i];
    00240
    00241           if (si->owner != OWNER_NONE) DrawCompanyIcon(si->owner, icon_left, y + sprite_offset_y);
    00242
    00243           SetDParam(0, si->index);
    00244           DrawString(text_left, text_right, y, STR_SIGN_NAME, TC_YELLOW);
    00245           y += this->resize.step_height;
    00246         }
    00247         break;
    00248       }
    00249     }
    00250   }
    00251
    00252   virtual void SetStringParameters(int widget) const
    00253   {
    00254     if (widget == SLW_CAPTION) SetDParam(0, this->vscroll->GetCount());
    00255   }
    00256
    00257   virtual void OnClick(Point pt, int widget, int click_count)
    00258   {
    00259     switch (widget) {
    00260       case SLW_LIST: {
    00261         uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, SLW_LIST, WD_FRAMERECT_TOP);
    00262         if (id_v == INT_MAX) return;
    00263
    00264         const Sign *si = this->signs[id_v];
    00265         ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
    00266         break;
    00267       }
    00268       case SLW_FILTER_CLEAR_BTN:
    00269         this->ClearFilterTextWidget(); // Empty the text in the EditBox widget
    00270         this->SetFilterString("");     // Use empty text as filter text (= view all signs)
    00271         break;
    00272
    00273       case SLW_FILTER_MATCH_CASE_BTN:
    00274         SignList::match_case = !SignList::match_case; // Toggle match case
    00275         this->SetWidgetLoweredState(SLW_FILTER_MATCH_CASE_BTN, SignList::match_case); // Toggle button pushed state
    00276         this->InvalidateData(); // Rebuild the list of signs
    00277         break;
    00278     }
    00279   }
    00280
    00281   virtual void OnResize()
    00282   {
    00283     this->vscroll->SetCapacityFromWidget(this, SLW_LIST, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
    00284   }
    00285
    00286   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00287   {
    00288     switch (widget) {
    00289       case SLW_LIST: {
    00290         Dimension spr_dim = GetSpriteSize(SPR_COMPANY_ICON);
    00291         this->text_offset = WD_FRAMETEXT_LEFT + spr_dim.width + 2; // 2 pixels space between icon and the sign text.
    00292         resize->height = max<uint>(FONT_HEIGHT_NORMAL, GetSpriteSize(SPR_COMPANY_ICON).height);
    00293         Dimension d = {this->text_offset + MAX_LENGTH_SIGN_NAME_PIXELS + WD_FRAMETEXT_RIGHT, WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM};
    00294         *size = maxdim(*size, d);
    00295         break;
    00296       }
    00297
    00298       case SLW_CAPTION:
    00299         SetDParam(0, max<size_t>(1000, Sign::GetPoolSize()));
    00300         *size = GetStringBoundingBox(STR_SIGN_LIST_CAPTION);
    00301         size->height += padding.height;
    00302         size->width  += padding.width;
    00303         break;
    00304     }
    00305   }
    00306
    00307   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
    00308   {
    00309     EventState state = ES_NOT_HANDLED;
    00310     switch (this->HandleEditBoxKey(SLW_FILTER_TEXT, key, keycode, state)) {
    00311       case HEBR_EDITING:
    00312         this->SetFilterString(this->text.buf);
    00313         break;
    00314
    00315       case HEBR_CONFIRM: // Enter pressed -> goto first sign in list
    00316         if (this->signs.Length() >= 1) {
    00317           const Sign *si = this->signs[0];
    00318           ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
    00319         }
    00320         return state;
    00321
    00322       case HEBR_CANCEL: // ESC pressed, clear filter.
    00323         this->OnClick(Point(), SLW_FILTER_CLEAR_BTN, 1); // Simulate click on clear button.
    00324         this->UnfocusFocusedWidget();                    // Unfocus the text box.
    00325         return state;
    00326
    00327       case HEBR_NOT_FOCUSED: // The filter text box is not globaly focused.
    00328         if (CheckHotkeyMatch(signlist_hotkeys, keycode, this) == SLHK_FOCUS_FILTER_BOX) {
    00329           this->SetFocusedWidget(SLW_FILTER_TEXT);
    00330           SetFocusedWindow(this); // The user has asked to give focus to the text box, so make sure this window is focused.
    00331           state = ES_HANDLED;
    00332         }
    00333         break;
    00334
    00335       default:
    00336         NOT_REACHED();
    00337     }
    00338
    00339     if (state == ES_HANDLED) OnOSKInput(SLW_FILTER_TEXT);
    00340
    00341     return state;
    00342   }
    00343
    00344   virtual void OnOSKInput(int widget)
    00345   {
    00346     if (widget == SLW_FILTER_TEXT) this->SetFilterString(this->text.buf);
    00347   }
    00348
    00349   virtual void OnMouseLoop()
    00350   {
    00351     this->HandleEditBox(SLW_FILTER_TEXT);
    00352   }
    00353
    00354   void BuildSortSignList()
    00355   {
    00356     if (this->signs.NeedRebuild()) {
    00357       this->BuildSignsList();
    00358       this->vscroll->SetCount(this->signs.Length());
    00359       this->SetWidgetDirty(SLW_CAPTION);
    00360     }
    00361     this->SortSignsList();
    00362   }
    00363
    00364   virtual void OnHundredthTick()
    00365   {
    00366     this->BuildSortSignList();
    00367     this->SetDirty();
    00368   }
    00369
    00375   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00376   {
    00377     /* When there is a filter string, we always need to rebuild the list even if
    00378      * the amount of signs in total is unchanged, as the subset of signs that is
    00379      * accepted by the filter might has changed. */
    00380     if (data == 0 || !StrEmpty(this->filter_string)) { // New or deleted sign, or there is a filter string
    00381       /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
    00382       this->signs.ForceRebuild();
    00383     } else { // Change of sign contents while there is no filter string
    00384       this->signs.ForceResort();
    00385     }
    00386   }
    00387
    00388   static Hotkey<SignListWindow> signlist_hotkeys[];
    00389 };
    00390
    00391 Hotkey<SignListWindow> SignListWindow::signlist_hotkeys[] = {
    00392   Hotkey<SignListWindow>('F', "focus_filter_box", SLHK_FOCUS_FILTER_BOX),
    00393   HOTKEY_LIST_END(SignListWindow)
    00394 };
    00395 Hotkey<SignListWindow> *_signlist_hotkeys = SignListWindow::signlist_hotkeys;
    00396
    00397 static const NWidgetPart _nested_sign_list_widgets[] = {
    00398   NWidget(NWID_HORIZONTAL),
    00399     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00400     NWidget(WWT_CAPTION, COLOUR_GREY, SLW_CAPTION), SetDataTip(STR_SIGN_LIST_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00401     NWidget(WWT_SHADEBOX, COLOUR_GREY),
    00402     NWidget(WWT_STICKYBOX, COLOUR_GREY),
    00403   EndContainer(),
    00404   NWidget(NWID_HORIZONTAL),
    00405     NWidget(NWID_VERTICAL),
    00406       NWidget(WWT_PANEL, COLOUR_GREY, SLW_LIST), SetMinimalSize(WD_FRAMETEXT_LEFT + 16 + MAX_LENGTH_SIGN_NAME_PIXELS + WD_FRAMETEXT_RIGHT, 50),
    00407                 SetResize(1, 10), SetFill(1, 0), SetScrollbar(SLW_SCROLLBAR), EndContainer(),
    00408       NWidget(NWID_HORIZONTAL),
    00409         NWidget(WWT_PANEL, COLOUR_GREY), SetFill(1, 1),
    00410           NWidget(WWT_EDITBOX, COLOUR_GREY, SLW_FILTER_TEXT), SetMinimalSize(80, 12), SetResize(1, 0), SetFill(1, 0), SetPadding(2, 2, 2, 2),
    00411               SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
    00412         EndContainer(),
    00413         NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_FILTER_MATCH_CASE_BTN), SetDataTip(STR_SIGN_LIST_MATCH_CASE, STR_SIGN_LIST_MATCH_CASE_TOOLTIP),
    00414         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SLW_FILTER_CLEAR_BTN), SetDataTip(STR_SIGN_LIST_CLEAR, STR_SIGN_LIST_CLEAR_TOOLTIP),
    00415       EndContainer(),
    00416     EndContainer(),
    00417     NWidget(NWID_VERTICAL),
    00418       NWidget(NWID_VERTICAL), SetFill(0, 1),
    00419         NWidget(NWID_VSCROLLBAR, COLOUR_GREY, SLW_SCROLLBAR),
    00420       EndContainer(),
    00421       NWidget(WWT_RESIZEBOX, COLOUR_GREY),
    00422     EndContainer(),
    00423   EndContainer(),
    00424 };
    00425
    00426 static const WindowDesc _sign_list_desc(
    00427   WDP_AUTO, 358, 138,
    00428   WC_SIGN_LIST, WC_NONE,
    00429   WDF_UNCLICK_BUTTONS,
    00430   _nested_sign_list_widgets, lengthof(_nested_sign_list_widgets)
    00431 );
    00432
    00438 Window *ShowSignList()
    00439 {
    00440   return AllocateWindowDescFront<SignListWindow>(&_sign_list_desc, 0);
    00441 }
    00442
    00443 EventState SignListGlobalHotkeys(uint16 key, uint16 keycode)
    00444 {
    00445   int num = CheckHotkeyMatch<SignListWindow>(_signlist_hotkeys, keycode, NULL, true);
    00446   if (num == -1) return ES_NOT_HANDLED;
    00447   Window *w = ShowSignList();
    00448   if (w == NULL) return ES_NOT_HANDLED;
    00449   return w->OnKeyPress(key, keycode);
    00450 }
    00451
    00458 static bool RenameSign(SignID index, const char *text)
    00459 {
    00460   bool remove = StrEmpty(text);
    00461   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);
    00462   return remove;
    00463 }
    00464
    00466 enum QueryEditSignWidgets {
    00467   QUERY_EDIT_SIGN_WIDGET_CAPTION,
    00468   QUERY_EDIT_SIGN_WIDGET_TEXT,
    00469   QUERY_EDIT_SIGN_WIDGET_OK,
    00470   QUERY_EDIT_SIGN_WIDGET_CANCEL,
    00471   QUERY_EDIT_SIGN_WIDGET_DELETE,
    00472   QUERY_EDIT_SIGN_WIDGET_PREVIOUS,
    00473   QUERY_EDIT_SIGN_WIDGET_NEXT,
    00474 };
    00475
    00476 struct SignWindow : QueryStringBaseWindow, SignList {
    00477   SignID cur_sign;
    00478
    00479   SignWindow(const WindowDesc *desc, const Sign *si) : QueryStringBaseWindow(MAX_LENGTH_SIGN_NAME_CHARS * MAX_CHAR_LENGTH, MAX_LENGTH_SIGN_NAME_CHARS)
    00480   {
    00481     this->caption = STR_EDIT_SIGN_CAPTION;
    00482     this->afilter = CS_ALPHANUMERAL;
    00483
    00484     this->InitNested(desc);
    00485
    00486     this->LowerWidget(QUERY_EDIT_SIGN_WIDGET_TEXT);
    00487     UpdateSignEditWindow(si);
    00488     this->SetFocusedWidget(QUERY_EDIT_SIGN_WIDGET_TEXT);
    00489   }
    00490
    00491   void UpdateSignEditWindow(const Sign *si)
    00492   {
    00493     char *last_of = &this->edit_str_buf[this->edit_str_size - 1]; // points to terminating '\0'
    00494
    00495     /* Display an empty string when the sign hasnt been edited yet */
    00496     if (si->name != NULL) {
    00497       SetDParam(0, si->index);
    00498       GetString(this->edit_str_buf, STR_SIGN_NAME, last_of);
    00499     } else {
    00500       GetString(this->edit_str_buf, STR_EMPTY, last_of);
    00501     }
    00502     *last_of = '\0';
    00503
    00504     this->cur_sign = si->index;
    00505     InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, this->max_chars, MAX_LENGTH_SIGN_NAME_PIXELS);
    00506
    00507     this->SetWidgetDirty(QUERY_EDIT_SIGN_WIDGET_TEXT);
    00508     this->SetFocusedWidget(QUERY_EDIT_SIGN_WIDGET_TEXT);
    00509   }
    00510
    00516   const Sign *PrevNextSign(bool next)
    00517   {
    00518     /* Rebuild the sign list */
    00519     this->signs.ForceRebuild();
    00520     this->signs.NeedResort();
    00521     this->BuildSignsList();
    00522     this->SortSignsList();
    00523
    00524     /* Search through the list for the current sign, excluding
    00525      * - the first sign if we want the previous sign or
    00526      * - the last sign if we want the next sign */
    00527     uint end = this->signs.Length() - (next ? 1 : 0);
    00528     for (uint i = next ? 0 : 1; i < end; i++) {
    00529       if (this->cur_sign == this->signs[i]->index) {
    00530         /* We've found the current sign, so return the sign before/after it */
    00531         return this->signs[i + (next ? 1 : -1)];
    00532       }
    00533     }
    00534     /* If we haven't found the current sign by now, return the last/first sign */
    00535     return this->signs[next ? 0 : this->signs.Length() - 1];
    00536   }
    00537
    00538   virtual void SetStringParameters(int widget) const
    00539   {
    00540     switch (widget) {
    00541       case QUERY_EDIT_SIGN_WIDGET_CAPTION:
    00542         SetDParam(0, this->caption);
    00543         break;
    00544     }
    00545   }
    00546
    00547   virtual void OnPaint()
    00548   {
    00549     this->DrawWidgets();
    00550     if (!this->IsShaded()) this->DrawEditBox(QUERY_EDIT_SIGN_WIDGET_TEXT);
    00551   }
    00552
    00553   virtual void OnClick(Point pt, int widget, int click_count)
    00554   {
    00555     switch (widget) {
    00556       case QUERY_EDIT_SIGN_WIDGET_PREVIOUS:
    00557       case QUERY_EDIT_SIGN_WIDGET_NEXT: {
    00558         const Sign *si = this->PrevNextSign(widget == QUERY_EDIT_SIGN_WIDGET_NEXT);
    00559
    00560         /* Rebuild the sign list */
    00561         this->signs.ForceRebuild();
    00562         this->signs.NeedResort();
    00563         this->BuildSignsList();
    00564         this->SortSignsList();
    00565
    00566         /* Scroll to sign and reopen window */
    00567         ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
    00568         UpdateSignEditWindow(si);
    00569         break;
    00570       }
    00571
    00572       case QUERY_EDIT_SIGN_WIDGET_DELETE:
    00573         /* Only need to set the buffer to null, the rest is handled as the OK button */
    00574         RenameSign(this->cur_sign, "");
    00575         /* don't delete this, we are deleted in Sign::~Sign() -> DeleteRenameSignWindow() */
    00576         break;
    00577
    00578       case QUERY_EDIT_SIGN_WIDGET_OK:
    00579         if (RenameSign(this->cur_sign, this->text.buf)) break;
    00580         /* FALL THROUGH */
    00581
    00582       case QUERY_EDIT_SIGN_WIDGET_CANCEL:
    00583         delete this;
    00584         break;
    00585     }
    00586   }
    00587
    00588   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
    00589   {
    00590     EventState state = ES_NOT_HANDLED;
    00591     switch (this->HandleEditBoxKey(QUERY_EDIT_SIGN_WIDGET_TEXT, key, keycode, state)) {
    00592       default: break;
    00593
    00594       case HEBR_CONFIRM:
    00595         if (RenameSign(this->cur_sign, this->text.buf)) break;
    00596         /* FALL THROUGH */
    00597
    00598       case HEBR_CANCEL: // close window, abandon changes
    00599         delete this;
    00600         break;
    00601     }
    00602     return state;
    00603   }
    00604
    00605   virtual void OnMouseLoop()
    00606   {
    00607     this->HandleEditBox(QUERY_EDIT_SIGN_WIDGET_TEXT);
    00608   }
    00609
    00610   virtual void OnOpenOSKWindow(int wid)
    00611   {
    00612     ShowOnScreenKeyboard(this, wid, QUERY_EDIT_SIGN_WIDGET_CANCEL, QUERY_EDIT_SIGN_WIDGET_OK);
    00613   }
    00614 };
    00615
    00616 static const NWidgetPart _nested_query_sign_edit_widgets[] = {
    00617   NWidget(NWID_HORIZONTAL),
    00618     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00619     NWidget(WWT_CAPTION, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00620   EndContainer(),
    00621   NWidget(WWT_PANEL, COLOUR_GREY),
    00622     NWidget(WWT_EDITBOX, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_TEXT), SetMinimalSize(256, 12), SetDataTip(STR_EDIT_SIGN_SIGN_OSKTITLE, STR_NULL), SetPadding(2, 2, 2, 2),
    00623   EndContainer(),
    00624   NWidget(NWID_HORIZONTAL),
    00625     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_OK), SetMinimalSize(61, 12), SetDataTip(STR_BUTTON_OK, STR_NULL),
    00626     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_CANCEL), SetMinimalSize(60, 12), SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
    00627     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_DELETE), SetMinimalSize(60, 12), SetDataTip(STR_TOWN_VIEW_DELETE_BUTTON, STR_NULL),
    00628     NWidget(WWT_PANEL, COLOUR_GREY), SetFill(1, 1), EndContainer(),
    00629     NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_PREVIOUS), SetMinimalSize(11, 12), SetDataTip(AWV_DECREASE, STR_EDIT_SIGN_PREVIOUS_SIGN_TOOLTIP),
    00630     NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_NEXT), SetMinimalSize(11, 12), SetDataTip(AWV_INCREASE, STR_EDIT_SIGN_NEXT_SIGN_TOOLTIP),
    00631   EndContainer(),
    00632 };
    00633
    00634 static const WindowDesc _query_sign_edit_desc(
    00635   WDP_AUTO, 0, 0,
    00636   WC_QUERY_STRING, WC_NONE,
    00637   WDF_CONSTRUCTION | WDF_UNCLICK_BUTTONS,
    00638   _nested_query_sign_edit_widgets, lengthof(_nested_query_sign_edit_widgets)
    00639 );
    00640
    00641 void HandleClickOnSign(const Sign *si)
    00642 {
    00643   if (_ctrl_pressed && si->owner == _local_company) {
    00644     RenameSign(si->index, NULL);
    00645     return;
    00646   }
    00647   ShowRenameSignWindow(si);
    00648 }
    00649
    00650 void ShowRenameSignWindow(const Sign *si)
    00651 {
    00652   /* Delete all other edit windows */
    00653   DeleteWindowById(WC_QUERY_STRING, 0);
    00654
    00655   new SignWindow(&_query_sign_edit_desc, si);
    00656 }
    00657
    00658 void DeleteRenameSignWindow(SignID sign)
    00659 {
    00660   SignWindow *w = dynamic_cast<SignWindow *>(FindWindowById(WC_QUERY_STRING, 0));
    00661
    00662   if (w != NULL && w->cur_sign == sign) delete w;
    00663 }