# town_gui.cpp

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    00001 /* $Id: town_gui.cpp 12391 2008-03-22 11:27:46Z maedhros $ */
    00002
    00005 #include "stdafx.h"
    00006 #include "openttd.h"
    00007 #include "debug.h"
    00008 #include "town.h"
    00009 #include "viewport_func.h"
    00010 #include "gfx_func.h"
    00011 #include "gui.h"
    00012 #include "window_gui.h"
    00013 #include "textbuf_gui.h"
    00014 #include "command_func.h"
    00015 #include "player_func.h"
    00016 #include "player_base.h"
    00017 #include "player_gui.h"
    00018 #include "network/network.h"
    00019 #include "variables.h"
    00020 #include "strings_func.h"
    00021 #include "economy_func.h"
    00022 #include "core/alloc_func.hpp"
    00023 #include "settings_type.h"
    00024
    00025 #include "table/sprites.h"
    00026 #include "table/strings.h"
    00027
    00028 enum TownAuthorityWidget {
    00029   TWA_CLOSEBOX = 0,
    00030   TWA_CAPTION,
    00031   TWA_RATING_INFO,
    00032   TWA_COMMAND_LIST,
    00033   TWA_SCROLLBAR,
    00034   TWA_ACTION_INFO,
    00035   TWA_EXECUTE,
    00036 };
    00037
    00038 static const Widget _town_authority_widgets[] = {
    00039 {   WWT_CLOSEBOX,   RESIZE_NONE,    13,     0,    10,     0,    13, STR_00C5,                 STR_018B_CLOSE_WINDOW},              // TWA_CLOSEBOX
    00040 {    WWT_CAPTION,   RESIZE_NONE,    13,    11,   316,     0,    13, STR_2022_LOCAL_AUTHORITY, STR_018C_WINDOW_TITLE_DRAG_THIS},    // TWA_CAPTION
    00041 {      WWT_PANEL,   RESIZE_NONE,    13,     0,   316,    14,   105, 0x0,                      STR_NULL},                           // TWA_RATING_INFO
    00042 {      WWT_PANEL,   RESIZE_NONE,    13,     0,   304,   106,   157, 0x0,                      STR_2043_LIST_OF_THINGS_TO_DO_AT},   // TWA_COMMAND_LIST
    00043 {  WWT_SCROLLBAR,   RESIZE_NONE,    13,   305,   316,   106,   157, 0x0,                      STR_0190_SCROLL_BAR_SCROLLS_LIST},   // TWA_SCROLLBAR
    00044 {      WWT_PANEL,   RESIZE_NONE,    13,     0,   316,   158,   209, 0x0,                      STR_NULL},                           // TWA_ACTION_INFO
    00045 { WWT_PUSHTXTBTN,   RESIZE_NONE,    13,     0,   316,   210,   221, STR_2042_DO_IT,           STR_2044_CARRY_OUT_THE_HIGHLIGHTED}, // TWA_EXECUTE
    00046 {   WIDGETS_END},
    00047 };
    00048
    00049 extern const byte _town_action_costs[8];
    00050
    00051 enum TownActions {
    00052   TACT_NONE             = 0x00,
    00053
    00054   TACT_ADVERTISE_SMALL  = 0x01,
    00055   TACT_ADVERTISE_MEDIUM = 0x02,
    00056   TACT_ADVERTISE_LARGE  = 0x04,
    00057   TACT_ROAD_REBUILD     = 0x08,
    00058   TACT_BUILD_STATUE     = 0x10,
    00059   TACT_FOUND_BUILDINGS  = 0x20,
    00060   TACT_BUY_RIGHTS       = 0x40,
    00061   TACT_BRIBE            = 0x80,
    00062
    00063   TACT_ADVERTISE        = TACT_ADVERTISE_SMALL | TACT_ADVERTISE_MEDIUM | TACT_ADVERTISE_LARGE,
    00064   TACT_CONSTRUCTION     = TACT_ROAD_REBUILD | TACT_BUILD_STATUE | TACT_FOUND_BUILDINGS,
    00065   TACT_FUNDS            = TACT_BUY_RIGHTS | TACT_BRIBE,
    00066   TACT_ALL              = TACT_ADVERTISE | TACT_CONSTRUCTION | TACT_FUNDS,
    00067 };
    00068
    00069 DECLARE_ENUM_AS_BIT_SET(TownActions);
    00070
    00077 uint GetMaskOfTownActions(int *nump, PlayerID pid, const Town *t)
    00078 {
    00079   int num = 0;
    00080   TownActions buttons = TACT_NONE;
    00081
    00082   /* Spectators and unwanted have no options */
    00083   if (pid != PLAYER_SPECTATOR && !(_patches.bribe && t->unwanted[pid])) {
    00084
    00085     /* Things worth more than this are not shown */
    00086     Money avail = GetPlayer(pid)->player_money + _price.station_value * 200;
    00087     Money ref = _price.build_industry >> 8;
    00088
    00089     /* Check the action bits for validity and
    00090      * if they are valid add them */
    00091     for (uint i = 0; i != lengthof(_town_action_costs); i++) {
    00092       const TownActions cur = (TownActions)(1 << i);
    00093
    00094       /* Is the player not able to bribe ? */
    00095       if (cur == TACT_BRIBE && (!_patches.bribe || t->ratings[pid] >= RATING_BRIBE_MAXIMUM))
    00096         continue;
    00097
    00098       /* Is the player not able to buy exclusive rights ? */
    00099       if (cur == TACT_BUY_RIGHTS && !_patches.exclusive_rights)
    00100         continue;
    00101
    00102       /* Is the player not able to build a statue ? */
    00103       if (cur == TACT_BUILD_STATUE && HasBit(t->statues, pid))
    00104         continue;
    00105
    00106       if (avail >= _town_action_costs[i] * ref) {
    00107         buttons |= cur;
    00108         num++;
    00109       }
    00110     }
    00111   }
    00112
    00113   if (nump != NULL) *nump = num;
    00114   return buttons;
    00115 }
    00116
    00126 static int GetNthSetBit(uint32 bits, int n)
    00127 {
    00128   if (n >= 0) {
    00129     uint i;
    00130     FOR_EACH_SET_BIT(i, bits) {
    00131       n--;
    00132       if (n < 0) return i;
    00133     }
    00134   }
    00135   return -1;
    00136 }
    00137
    00138 static void TownAuthorityWndProc(Window *w, WindowEvent *e)
    00139 {
    00140   switch (e->event) {
    00141   case WE_PAINT: {
    00142     const Town *t = GetTown(w->window_number);
    00143     int numact;
    00144     uint buttons = GetMaskOfTownActions(&numact, _local_player, t);
    00145
    00146     SetVScrollCount(w, numact + 1);
    00147
    00148     if (WP(w, def_d).data_1 != -1 && !HasBit(buttons, WP(w,def_d).data_1))
    00149       WP(w, def_d).data_1 = -1;
    00150
    00151     w->SetWidgetDisabledState(6, WP(w, def_d).data_1 == -1);
    00152
    00153     {
    00154       int y;
    00155       const Player *p;
    00156       int r;
    00157       StringID str;
    00158
    00159       SetDParam(0, w->window_number);
    00160       DrawWindowWidgets(w);
    00161
    00162       DrawString(2, 15, STR_2023_TRANSPORT_COMPANY_RATINGS, TC_FROMSTRING);
    00163
    00164       /* Draw list of players */
    00165       y = 25;
    00166       FOR_ALL_PLAYERS(p) {
    00167         if (p->is_active && (HasBit(t->have_ratings, p->index) || t->exclusivity == p->index)) {
    00168           DrawPlayerIcon(p->index, 2, y);
    00169
    00170           SetDParam(0, p->index);
    00171           SetDParam(1, p->index);
    00172
    00173           r = t->ratings[p->index];
    00174           (str = STR_3035_APPALLING, r <= RATING_APPALLING) || // Apalling
    00175           (str++,                    r <= RATING_VERYPOOR)  || // Very Poor
    00176           (str++,                    r <= RATING_POOR)      || // Poor
    00177           (str++,                    r <= RATING_MEDIOCRE)  || // Mediocore
    00178           (str++,                    r <= RATING_GOOD)      || // Good
    00179           (str++,                    r <= RATING_VERYGOOD)  || // Very Good
    00180           (str++,                    r <= RATING_EXCELLENT) || // Excellent
    00181           (str++,                    true);                    // Outstanding
    00182
    00183           SetDParam(2, str);
    00184           if (t->exclusivity == p->index) { // red icon for player with exclusive rights
    00185             DrawSprite(SPR_BLOT, PALETTE_TO_RED, 18, y);
    00186           }
    00187
    00188           DrawString(28, y, STR_2024, TC_FROMSTRING);
    00189           y += 10;
    00190         }
    00191       }
    00192     }
    00193
    00194     /* Draw actions list */
    00195     {
    00196       int y = 107, i;
    00197       int pos = w->vscroll.pos;
    00198
    00199       if (--pos < 0) {
    00200         DrawString(2, y, STR_2045_ACTIONS_AVAILABLE, TC_FROMSTRING);
    00201         y += 10;
    00202       }
    00203       for (i = 0; buttons; i++, buttons >>= 1) {
    00204         if (pos <= -5) break;
    00205
    00206         if ((buttons & 1) && --pos < 0) {
    00207           DrawString(3, y, STR_2046_SMALL_ADVERTISING_CAMPAIGN + i, TC_ORANGE);
    00208           y += 10;
    00209         }
    00210       }
    00211     }
    00212
    00213     {
    00214       int i = WP(w, def_d).data_1;
    00215
    00216       if (i != -1) {
    00217         SetDParam(1, (_price.build_industry >> 8) * _town_action_costs[i]);
    00218         SetDParam(0, STR_2046_SMALL_ADVERTISING_CAMPAIGN + i);
    00219         DrawStringMultiLine(2, 159, STR_204D_INITIATE_A_SMALL_LOCAL + i, 313);
    00220       }
    00221     }
    00222
    00223   } break;
    00224
    00225   case WE_DOUBLE_CLICK:
    00226   case WE_CLICK:
    00227     switch (e->we.click.widget) {
    00228       case TWA_COMMAND_LIST: {
    00229         const Town *t = GetTown(w->window_number);
    00230         int y = (e->we.click.pt.y - 0x6B) / 10;
    00231
    00232         if (!IsInsideMM(y, 0, 5)) return;
    00233
    00234         y = GetNthSetBit(GetMaskOfTownActions(NULL, _local_player, t), y + w->vscroll.pos - 1);
    00235         if (y >= 0) {
    00236           WP(w, def_d).data_1 = y;
    00237           SetWindowDirty(w);
    00238         }
    00239         /* Fall through to clicking in case we are double-clicked */
    00240         if (e->event != WE_DOUBLE_CLICK || y < 0) break;
    00241       }
    00242
    00243       case TWA_EXECUTE:
    00244         DoCommandP(GetTown(w->window_number)->xy, w->window_number, WP(w, def_d).data_1, NULL, CMD_DO_TOWN_ACTION | CMD_MSG(STR_00B4_CAN_T_DO_THIS));
    00245         break;
    00246     }
    00247     break;
    00248
    00249   case WE_4:
    00250     SetWindowDirty(w);
    00251     break;
    00252   }
    00253 }
    00254
    00255 static const WindowDesc _town_authority_desc = {
    00256   WDP_AUTO, WDP_AUTO, 317, 222, 317, 222,
    00257   WC_TOWN_AUTHORITY, WC_NONE,
    00258   WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,
    00259   _town_authority_widgets,
    00260   TownAuthorityWndProc
    00261 };
    00262
    00263 static void ShowTownAuthorityWindow(uint town)
    00264 {
    00265   Window *w = AllocateWindowDescFront(&_town_authority_desc, town);
    00266
    00267   if (w != NULL) {
    00268     w->vscroll.cap = 5;
    00269     WP(w, def_d).data_1 = -1;
    00270   }
    00271 }
    00272
    00273 static void TownViewWndProc(Window *w, WindowEvent *e)
    00274 {
    00275   Town *t = GetTown(w->window_number);
    00276
    00277   switch (e->event) {
    00278   case WE_CREATE:
    00279     if (t->larger_town) w->widget[1].data = STR_CITY;
    00280     break;
    00281
    00282   case WE_PAINT:
    00283     /* disable renaming town in network games if you are not the server */
    00284     w->SetWidgetDisabledState(8, _networking && !_network_server);
    00285
    00286     SetDParam(0, t->index);
    00287     DrawWindowWidgets(w);
    00288
    00289     SetDParam(0, t->population);
    00290     SetDParam(1, t->num_houses);
    00291     DrawString(2, 107, STR_2006_POPULATION, TC_FROMSTRING);
    00292
    00293     SetDParam(0, t->act_pass);
    00294     SetDParam(1, t->max_pass);
    00295     DrawString(2, 117, STR_200D_PASSENGERS_LAST_MONTH_MAX, TC_FROMSTRING);
    00296
    00297     SetDParam(0, t->act_mail);
    00298     SetDParam(1, t->max_mail);
    00299     DrawString(2, 127, STR_200E_MAIL_LAST_MONTH_MAX, TC_FROMSTRING);
    00300
    00301     DrawWindowViewport(w);
    00302     break;
    00303
    00304   case WE_CLICK:
    00305     switch (e->we.click.widget) {
    00306       case 6: /* scroll to location */
    00307         ScrollMainWindowToTile(t->xy);
    00308         break;
    00309
    00310       case 7: /* town authority */
    00311         ShowTownAuthorityWindow(w->window_number);
    00312         break;
    00313
    00314       case 8: /* rename */
    00315         SetDParam(0, w->window_number);
    00316         ShowQueryString(STR_TOWN, STR_2007_RENAME_TOWN, 31, 130, w, CS_ALPHANUMERAL);
    00317         break;
    00318
    00319       case 9: /* expand town */
    00320         ExpandTown(t);
    00321         break;
    00322
    00323       case 10: /* delete town */
    00324         delete t;
    00325         break;
    00326     } break;
    00327
    00328   case WE_ON_EDIT_TEXT:
    00329     if (e->we.edittext.str[0] != '\0') {
    00330       _cmd_text = e->we.edittext.str;
    00331       DoCommandP(0, w->window_number, 0, NULL,
    00332         CMD_RENAME_TOWN | CMD_MSG(STR_2008_CAN_T_RENAME_TOWN));
    00333     }
    00334     break;
    00335   }
    00336 }
    00337
    00338
    00339 static const Widget _town_view_widgets[] = {
    00340 {   WWT_CLOSEBOX,   RESIZE_NONE,    13,     0,    10,     0,    13, STR_00C5,                 STR_018B_CLOSE_WINDOW},
    00341 {    WWT_CAPTION,   RESIZE_NONE,    13,    11,   247,     0,    13, STR_2005,                 STR_018C_WINDOW_TITLE_DRAG_THIS},
    00342 {  WWT_STICKYBOX,   RESIZE_NONE,    13,   248,   259,     0,    13, 0x0,                      STR_STICKY_BUTTON},
    00343 {      WWT_PANEL,   RESIZE_NONE,    13,     0,   259,    14,   105, 0x0,                      STR_NULL},
    00344 {      WWT_INSET,   RESIZE_NONE,    13,     2,   257,    16,   103, 0x0,                      STR_NULL},
    00345 {      WWT_PANEL,   RESIZE_NONE,    13,     0,   259,   106,   137, 0x0,                      STR_NULL},
    00346 { WWT_PUSHTXTBTN,   RESIZE_NONE,    13,     0,    85,   138,   149, STR_00E4_LOCATION,        STR_200B_CENTER_THE_MAIN_VIEW_ON},
    00347 { WWT_PUSHTXTBTN,   RESIZE_NONE,    13,    86,   171,   138,   149, STR_2020_LOCAL_AUTHORITY, STR_2021_SHOW_INFORMATION_ON_LOCAL},
    00348 { WWT_PUSHTXTBTN,   RESIZE_NONE,    13,   172,   259,   138,   149, STR_0130_RENAME,          STR_200C_CHANGE_TOWN_NAME},
    00349 {   WIDGETS_END},
    00350 };
    00351
    00352 static const WindowDesc _town_view_desc = {
    00353   WDP_AUTO, WDP_AUTO, 260, 150, 260, 150,
    00354   WC_TOWN_VIEW, WC_NONE,
    00355   WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON,
    00356   _town_view_widgets,
    00357   TownViewWndProc
    00358 };
    00359
    00360 static const Widget _town_view_scen_widgets[] = {
    00361 {   WWT_CLOSEBOX,   RESIZE_NONE,    13,     0,    10,     0,    13, STR_00C5,          STR_018B_CLOSE_WINDOW},
    00362 {    WWT_CAPTION,   RESIZE_NONE,    13,    11,   172,     0,    13, STR_2005,          STR_018C_WINDOW_TITLE_DRAG_THIS},
    00363 {  WWT_STICKYBOX,   RESIZE_NONE,    13,   248,   259,     0,    13, 0x0,               STR_STICKY_BUTTON},
    00364 {      WWT_PANEL,   RESIZE_NONE,    13,     0,   259,    14,   105, 0x0,               STR_NULL},
    00365 {      WWT_INSET,   RESIZE_NONE,    13,     2,   257,    16,   103, 0x0,               STR_NULL},
    00366 {      WWT_PANEL,   RESIZE_NONE,    13,     0,   259,   106,   137, 0x0,               STR_NULL},
    00367 { WWT_PUSHTXTBTN,   RESIZE_NONE,    13,     0,    85,   138,   149, STR_00E4_LOCATION, STR_200B_CENTER_THE_MAIN_VIEW_ON},
    00368 {      WWT_EMPTY,   RESIZE_NONE,     0,     0,     0,     0,     0, 0x0,               STR_NULL},
    00369 { WWT_PUSHTXTBTN,   RESIZE_NONE,    13,   173,   247,     0,    13, STR_0130_RENAME,   STR_200C_CHANGE_TOWN_NAME},
    00370 { WWT_PUSHTXTBTN,   RESIZE_NONE,    13,    86,   171,   138,   149, STR_023C_EXPAND,   STR_023B_INCREASE_SIZE_OF_TOWN},
    00371 { WWT_PUSHTXTBTN,   RESIZE_NONE,    13,   172,   259,   138,   149, STR_0290_DELETE,   STR_0291_DELETE_THIS_TOWN_COMPLETELY},
    00372 {   WIDGETS_END},
    00373 };
    00374
    00375 static const WindowDesc _town_view_scen_desc = {
    00376   WDP_AUTO, WDP_AUTO, 260, 150, 260, 150,
    00377   WC_TOWN_VIEW, WC_NONE,
    00378   WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON,
    00379   _town_view_scen_widgets,
    00380   TownViewWndProc
    00381 };
    00382
    00383 void ShowTownViewWindow(TownID town)
    00384 {
    00385   Window *w;
    00386
    00387   if (_game_mode != GM_EDITOR) {
    00388     w = AllocateWindowDescFront(&_town_view_desc, town);
    00389   } else {
    00390     w = AllocateWindowDescFront(&_town_view_scen_desc, town);
    00391   }
    00392
    00393   if (w != NULL) {
    00394     w->flags4 |= WF_DISABLE_VP_SCROLL;
    00395     AssignWindowViewport(w, 3, 17, 0xFE, 0x56, GetTown(town)->xy, ZOOM_LVL_TOWN);
    00396   }
    00397 }
    00398
    00399 enum TownDirectoryWidget {
    00400   TDW_SORTNAME = 3,
    00401   TDW_SORTPOPULATION,
    00402   TDW_CENTERTOWN,
    00403 };
    00404 static const Widget _town_directory_widgets[] = {
    00405 {   WWT_CLOSEBOX,   RESIZE_NONE,    13,     0,    10,     0,    13, STR_00C5,               STR_018B_CLOSE_WINDOW},
    00406 {    WWT_CAPTION,   RESIZE_NONE,    13,    11,   195,     0,    13, STR_2000_TOWNS,         STR_018C_WINDOW_TITLE_DRAG_THIS},
    00407 {  WWT_STICKYBOX,   RESIZE_NONE,    13,   196,   207,     0,    13, 0x0,                    STR_STICKY_BUTTON},
    00408 { WWT_PUSHTXTBTN,   RESIZE_NONE,    13,     0,    98,    14,    25, STR_SORT_BY_NAME,       STR_SORT_ORDER_TIP},
    00409 { WWT_PUSHTXTBTN,   RESIZE_NONE,    13,    99,   195,    14,    25, STR_SORT_BY_POPULATION, STR_SORT_ORDER_TIP},
    00410 {      WWT_PANEL, RESIZE_BOTTOM,    13,     0,   195,    26,   189, 0x0,                    STR_200A_TOWN_NAMES_CLICK_ON_NAME},
    00411 {  WWT_SCROLLBAR, RESIZE_BOTTOM,    13,   196,   207,    14,   189, 0x0,                    STR_0190_SCROLL_BAR_SCROLLS_LIST},
    00412 {      WWT_PANEL,     RESIZE_TB,    13,     0,   195,   190,   201, 0x0,                    STR_NULL},
    00413 {  WWT_RESIZEBOX,     RESIZE_TB,    13,   196,   207,   190,   201, 0x0,                    STR_RESIZE_BUTTON},
    00414 {   WIDGETS_END},
    00415 };
    00416
    00417
    00418 /* used to get a sorted list of the towns */
    00419 static uint _num_town_sort;
    00420
    00421 static char _bufcache[64];
    00422 static const Town* _last_town;
    00423
    00424 static int CDECL TownNameSorter(const void *a, const void *b)
    00425 {
    00426   const Town* ta = *(const Town**)a;
    00427   const Town* tb = *(const Town**)b;
    00428   char buf1[64];
    00429   int r;
    00430
    00431   SetDParam(0, ta->index);
    00432   GetString(buf1, STR_TOWN, lastof(buf1));
    00433
    00434   /* If 'b' is the same town as in the last round, use the cached value
    00435    *  We do this to speed stuff up ('b' is called with the same value a lot of
    00436    *  times after eachother) */
    00437   if (tb != _last_town) {
    00438     _last_town = tb;
    00439     SetDParam(0, tb->index);
    00440     GetString(_bufcache, STR_TOWN, lastof(_bufcache));
    00441   }
    00442
    00443   r = strcmp(buf1, _bufcache);
    00444   if (_town_sort_order & 1) r = -r;
    00445   return r;
    00446 }
    00447
    00448 static int CDECL TownPopSorter(const void *a, const void *b)
    00449 {
    00450   const Town* ta = *(const Town**)a;
    00451   const Town* tb = *(const Town**)b;
    00452   int r = ta->population - tb->population;
    00453   if (_town_sort_order & 1) r = -r;
    00454   return r;
    00455 }
    00456
    00457 static void MakeSortedTownList()
    00458 {
    00459   const Town* t;
    00460   uint n = 0;
    00461
    00462   /* Create array for sorting */
    00463   _town_sort = ReallocT(_town_sort, GetMaxTownIndex() + 1);
    00464
    00465   FOR_ALL_TOWNS(t) _town_sort[n++] = t;
    00466
    00467   _num_town_sort = n;
    00468
    00469   _last_town = NULL; // used for "cache"
    00470   qsort((void*)_town_sort, n, sizeof(_town_sort[0]), _town_sort_order & 2 ? TownPopSorter : TownNameSorter);
    00471
    00472   DEBUG(misc, 3, "Resorting towns list");
    00473 }
    00474
    00475
    00476 static void TownDirectoryWndProc(Window *w, WindowEvent *e)
    00477 {
    00478   switch (e->event) {
    00479   case WE_PAINT: {
    00480     if (_town_sort_dirty) {
    00481       _town_sort_dirty = false;
    00482       MakeSortedTownList();
    00483     }
    00484
    00485     SetVScrollCount(w, _num_town_sort);
    00486
    00487     DrawWindowWidgets(w);
    00488     DrawSortButtonState(w, (_town_sort_order <= 1) ? TDW_SORTNAME : TDW_SORTPOPULATION, _town_sort_order & 1 ? SBS_DOWN : SBS_UP);
    00489
    00490     {
    00491       int n = 0;
    00492       uint16 i = w->vscroll.pos;
    00493       int y = 28;
    00494
    00495       while (i < _num_town_sort) {
    00496         const Town* t = _town_sort[i];
    00497
    00498         assert(t->xy);
    00499
    00500         SetDParam(0, t->index);
    00501         SetDParam(1, t->population);
    00502         DrawString(2, y, STR_2057, TC_FROMSTRING);
    00503
    00504         y += 10;
    00505         i++;
    00506         if (++n == w->vscroll.cap) break; // max number of towns in 1 window
    00507       }
    00508       SetDParam(0, GetWorldPopulation());
    00509       DrawString(3, w->height - 12 + 2, STR_TOWN_POPULATION, TC_FROMSTRING);
    00510     }
    00511   } break;
    00512
    00513   case WE_CLICK:
    00514     switch (e->we.click.widget) {
    00515       case TDW_SORTNAME: { /* Sort by Name ascending/descending */
    00516         _town_sort_order = (_town_sort_order == 0) ? 1 : 0;
    00517         _town_sort_dirty = true;
    00518         SetWindowDirty(w);
    00519       } break;
    00520
    00521       case TDW_SORTPOPULATION: { /* Sort by Population ascending/descending */
    00522         _town_sort_order = (_town_sort_order == 2) ? 3 : 2;
    00523         _town_sort_dirty = true;
    00524         SetWindowDirty(w);
    00525       } break;
    00526
    00527       case TDW_CENTERTOWN: { /* Click on Town Matrix */
    00528         const Town* t;
    00529
    00530         uint16 id_v = (e->we.click.pt.y - 28) / 10;
    00531
    00532         if (id_v >= w->vscroll.cap) return; // click out of bounds
    00533
    00534         id_v += w->vscroll.pos;
    00535
    00536         if (id_v >= _num_town_sort) return; // click out of town bounds
    00537
    00538         t = _town_sort[id_v];
    00539         assert(t->xy);
    00540         ScrollMainWindowToTile(t->xy);
    00541       } break;
    00542     }
    00543     break;
    00544
    00545   case WE_4:
    00546     SetWindowDirty(w);
    00547     break;
    00548
    00549   case WE_RESIZE:
    00550     w->vscroll.cap += e->we.sizing.diff.y / 10;
    00551     break;
    00552   }
    00553 }
    00554
    00555 static const WindowDesc _town_directory_desc = {
    00556   WDP_AUTO, WDP_AUTO, 208, 202, 208, 202,
    00557   WC_TOWN_DIRECTORY, WC_NONE,
    00558   WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,
    00559   _town_directory_widgets,
    00560   TownDirectoryWndProc
    00561 };
    00562
    00563
    00564 void ShowTownDirectory()
    00565 {
    00566   Window *w = AllocateWindowDescFront(&_town_directory_desc, 0);
    00567
    00568   if (w != NULL) {
    00569     w->vscroll.cap = 16;
    00570     w->resize.step_height = 10;
    00571     w->resize.height = w->height - 10 * 6; // minimum of 10 items in the list, each item 10 high
    00572   }
    00573 }