signs_gui.cpp

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00001 /* $Id: signs_gui.cpp 14388 2008-09-22 20:20:46Z rubidium $ */
00002 
00005 #include "stdafx.h"
00006 #include "openttd.h"
00007 #include "gui.h"
00008 #include "textbuf_gui.h"
00009 #include "window_gui.h"
00010 #include "player_gui.h"
00011 #include "signs.h"
00012 #include "debug.h"
00013 #include "variables.h"
00014 #include "command_func.h"
00015 #include "strings_func.h"
00016 #include "core/alloc_func.hpp"
00017 #include "window_func.h"
00018 #include "map_func.h"
00019 #include "gfx_func.h"
00020 #include "viewport_func.h"
00021 
00022 #include "table/strings.h"
00023 #include "table/sprites.h"
00024 
00025 static const Sign **_sign_sort;
00026 static uint _num_sign_sort;
00027 
00028 static char _bufcache[64];
00029 static const Sign *_last_sign;
00030 
00031 static int CDECL SignNameSorter(const void *a, const void *b)
00032 {
00033   const Sign *sign0 = *(const Sign**)a;
00034   const Sign *sign1 = *(const Sign**)b;
00035   char buf1[64];
00036 
00037   SetDParam(0, sign0->index);
00038   GetString(buf1, STR_SIGN_NAME, lastof(buf1));
00039 
00040   if (sign1 != _last_sign) {
00041     _last_sign = sign1;
00042     SetDParam(0, sign1->index);
00043     GetString(_bufcache, STR_SIGN_NAME, lastof(_bufcache));
00044   }
00045 
00046   return strcmp(buf1, _bufcache); // sort by name
00047 }
00048 
00049 static void GlobalSortSignList()
00050 {
00051   const Sign *si;
00052   uint n = 0;
00053 
00054   /* Create array for sorting */
00055   _sign_sort = ReallocT(_sign_sort, GetMaxSignIndex() + 1);
00056 
00057   FOR_ALL_SIGNS(si) _sign_sort[n++] = si;
00058   _num_sign_sort = n;
00059 
00060   qsort((void*)_sign_sort, n, sizeof(_sign_sort[0]), SignNameSorter);
00061 
00062   _sign_sort_dirty = false;
00063 
00064   DEBUG(misc, 3, "Resorting global signs list");
00065 }
00066 
00067 static void SignListWndProc(Window *w, WindowEvent *e)
00068 {
00069   switch (e->event) {
00070   case WE_PAINT: {
00071     int y = 16; // offset from top of widget
00072 
00073     if (_sign_sort_dirty)
00074       GlobalSortSignList();
00075 
00076     SetVScrollCount(w, _num_sign_sort);
00077 
00078     SetDParam(0, w->vscroll.count);
00079     DrawWindowWidgets(w);
00080 
00081     /* No signs? */
00082     if (w->vscroll.count == 0) {
00083       DrawString(2, y, STR_304A_NONE, TC_FROMSTRING);
00084       return;
00085     }
00086 
00087     {
00088       uint16 i;
00089 
00090       /* Start drawing the signs */
00091       for (i = w->vscroll.pos; i < w->vscroll.cap + w->vscroll.pos && i < w->vscroll.count; i++) {
00092         const Sign *si = _sign_sort[i];
00093 
00094         if (si->owner != OWNER_NONE)
00095           DrawPlayerIcon(si->owner, 4, y + 1);
00096 
00097         SetDParam(0, si->index);
00098         DrawString(22, y, STR_SIGN_NAME, TC_YELLOW);
00099         y += 10;
00100       }
00101     }
00102   } break;
00103 
00104   case WE_CLICK: {
00105     switch (e->we.click.widget) {
00106     case 3: {
00107       uint32 id_v = (e->we.click.pt.y - 15) / 10;
00108       const Sign *si;
00109 
00110       if (id_v >= w->vscroll.cap)
00111         return;
00112 
00113       id_v += w->vscroll.pos;
00114 
00115       if (id_v >= w->vscroll.count)
00116         return;
00117 
00118       si = _sign_sort[id_v];
00119       ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
00120     } break;
00121     }
00122   } break;
00123 
00124   case WE_RESIZE:
00125     w->vscroll.cap += e->we.sizing.diff.y / 10;
00126     break;
00127   }
00128 }
00129 
00130 static const Widget _sign_list_widget[] = {
00131 {   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,              STR_018B_CLOSE_WINDOW},
00132 {    WWT_CAPTION,  RESIZE_RIGHT,    14,    11,   345,     0,    13, STR_SIGN_LIST_CAPTION, STR_018C_WINDOW_TITLE_DRAG_THIS},
00133 {  WWT_STICKYBOX,     RESIZE_LR,    14,   346,   357,     0,    13, 0x0,                   STR_STICKY_BUTTON},
00134 {      WWT_PANEL,     RESIZE_RB,    14,     0,   345,    14,   137, 0x0,                   STR_NULL},
00135 {  WWT_SCROLLBAR,    RESIZE_LRB,    14,   346,   357,    14,   125, 0x0,                   STR_0190_SCROLL_BAR_SCROLLS_LIST},
00136 {  WWT_RESIZEBOX,   RESIZE_LRTB,    14,   346,   357,   126,   137, 0x0,                   STR_RESIZE_BUTTON},
00137 {   WIDGETS_END},
00138 };
00139 
00140 static const WindowDesc _sign_list_desc = {
00141   WDP_AUTO, WDP_AUTO, 358, 138, 358, 138,
00142   WC_SIGN_LIST, WC_NONE,
00143   WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON | WDF_RESIZABLE,
00144   _sign_list_widget,
00145   SignListWndProc
00146 };
00147 
00148 
00149 void ShowSignList()
00150 {
00151   Window *w;
00152 
00153   w = AllocateWindowDescFront(&_sign_list_desc, 0);
00154   if (w != NULL) {
00155     w->vscroll.cap = 12;
00156     w->resize.step_height = 10;
00157     w->resize.height = w->height - 10 * 7; // minimum if 5 in the list
00158   }
00159 }
00160 
00161 /* Edit sign window stuff */
00162 
00163 struct editsign_d : querystr_d {
00164   SignID cur_sign;
00165 };
00166 
00167 static char _edit_str_buf[64];
00168 
00169 enum QueryEditSignWidgets {
00170   QUERY_EDIT_SIGN_WIDGET_TEXT = 3,
00171   QUERY_EDIT_SIGN_WIDGET_OK,
00172   QUERY_EDIT_SIGN_WIDGET_CANCEL,
00173   QUERY_EDIT_SIGN_WIDGET_DELETE,
00174   QUERY_EDIT_SIGN_WIDGET_PREVIOUS = QUERY_EDIT_SIGN_WIDGET_DELETE + 2,
00175   QUERY_EDIT_SIGN_WIDGET_NEXT,
00176 };
00177 
00178 static void UpdateSignEditWindow(Window *w, const Sign *si)
00179 {
00180   /* Display an empty string when the sign hasnt been edited yet */
00181   if (si->name != NULL) {
00182     SetDParam(0, si->index);
00183     GetString(_edit_str_buf, STR_SIGN_NAME, lastof(_edit_str_buf));
00184   } else {
00185     GetString(_edit_str_buf, STR_EMPTY, lastof(_edit_str_buf));
00186   }
00187   _edit_str_buf[lengthof(_edit_str_buf) - 1] = '\0';
00188 
00189   WP(w, editsign_d).cur_sign = si->index;
00190   InitializeTextBuffer(&WP(w, querystr_d).text, _edit_str_buf, 31, 255); // Allow 31 characters (including \0)
00191 
00192   w->InvalidateWidget(QUERY_EDIT_SIGN_WIDGET_TEXT);
00193 }
00194 
00195 static void RenameSign(SignID index, const char *text)
00196 {
00197   _cmd_text = text;
00198   DoCommandP(0, index, 0, NULL, CMD_RENAME_SIGN | CMD_MSG(STR_280C_CAN_T_CHANGE_SIGN_NAME));
00199 }
00200 
00201 static void QuerySignEditWndProc(Window *w, WindowEvent *e)
00202 {
00203   editsign_d *qs = &WP(w, editsign_d);
00204   Sign       *si;
00205   uint       sign_index = 0;
00206 
00207   switch (e->event) {
00208     case WE_CREATE:
00209       SetBit(_no_scroll, SCROLL_EDIT);
00210       break;
00211 
00212     case WE_PAINT:
00213       SetDParam(0, qs->caption);
00214       DrawWindowWidgets(w);
00215       DrawEditBox(w, qs, QUERY_EDIT_SIGN_WIDGET_TEXT);
00216       break;
00217 
00218     case WE_CLICK:
00219       switch (e->we.click.widget) {
00220         case QUERY_EDIT_SIGN_WIDGET_PREVIOUS:
00221           if (_sign_sort_dirty) GlobalSortSignList();
00222           sign_index = _sign_sort[_num_sign_sort - 1]->index;
00223           for (uint i = 1; i < _num_sign_sort; i++) {
00224             if (qs->cur_sign == _sign_sort[i]->index) {
00225               sign_index = _sign_sort[i - 1]->index;
00226               break;
00227             }
00228           }
00229           si = GetSign(sign_index);
00230 
00231           /* Scroll to sign and reopen window */
00232           ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
00233           UpdateSignEditWindow(w, si);
00234           break;
00235 
00236         case QUERY_EDIT_SIGN_WIDGET_NEXT:
00237           if (_sign_sort_dirty) GlobalSortSignList();
00238           sign_index = _sign_sort[0]->index;
00239           for (uint i = 0; i < _num_sign_sort-1; i++) {
00240             if (qs->cur_sign == _sign_sort[i]->index) {
00241               sign_index = _sign_sort[i + 1]->index;
00242               break;
00243             }
00244           }
00245           si = GetSign(sign_index);
00246 
00247           /* Scroll to sign and reopen window */
00248           ScrollMainWindowToTile(TileVirtXY(si->x, si->y));
00249           UpdateSignEditWindow(w, si);
00250           break;
00251 
00252         case QUERY_EDIT_SIGN_WIDGET_DELETE:
00253           /* Only need to set the buffer to null, the rest is handled as the OK button */
00254           RenameSign(qs->cur_sign, "");
00255           /* don't delete this, we are deleted in Sign::~Sign() -> DeleteRenameSignWindow() */
00256           break;
00257 
00258         case QUERY_EDIT_SIGN_WIDGET_OK:
00259           RenameSign(qs->cur_sign, qs->text.buf);
00260           /* FALL THROUGH */
00261 
00262         case QUERY_EDIT_SIGN_WIDGET_CANCEL:
00263           DeleteWindow(w);
00264           break;
00265       }
00266       break;
00267 
00268     case WE_KEYPRESS:
00269       switch (HandleEditBoxKey(w, qs, QUERY_EDIT_SIGN_WIDGET_TEXT, e)) {
00270         case 1: // Enter pressed, confirms change
00271           RenameSign(qs->cur_sign, qs->text.buf);
00272           /* FALL THROUGH */
00273 
00274         case 2: // ESC pressed, closes window, abandons changes
00275           DeleteWindow(w);
00276           break;
00277       }
00278       break;
00279 
00280     case WE_MOUSELOOP:
00281       HandleEditBox(w, qs, QUERY_EDIT_SIGN_WIDGET_TEXT);
00282       break;
00283 
00284     case WE_DESTROY:
00285       ClrBit(_no_scroll, SCROLL_EDIT);
00286       break;
00287   }
00288 }
00289 
00290 static const Widget _query_sign_edit_widgets[] = {
00291 { WWT_CLOSEBOX, RESIZE_NONE,  14,   0,  10,   0,  13, STR_00C5,        STR_018B_CLOSE_WINDOW},
00292 {  WWT_CAPTION, RESIZE_NONE,  14,  11, 259,   0,  13, STR_012D,        STR_NULL },
00293 {    WWT_PANEL, RESIZE_NONE,  14,   0, 259,  14,  29, STR_NULL,        STR_NULL },
00294 {    WWT_PANEL, RESIZE_NONE,  14,   2, 257,  16,  27, STR_NULL,        STR_NULL },  // Text field
00295 {  WWT_TEXTBTN, RESIZE_NONE,  14,   0,  60,  30,  41, STR_012F_OK,     STR_NULL },
00296 {  WWT_TEXTBTN, RESIZE_NONE,  14,  61, 120,  30,  41, STR_012E_CANCEL, STR_NULL },
00297 {  WWT_TEXTBTN, RESIZE_NONE,  14, 121, 180,  30,  41, STR_0290_DELETE, STR_NULL },
00298 {    WWT_PANEL, RESIZE_NONE,  14, 181, 237,  30,  41, STR_NULL,        STR_NULL },
00299 {  WWT_TEXTBTN, RESIZE_NONE,  14, 238, 248,  30,  41, STR_6819,        STR_PREVIOUS_SIGN_TOOLTIP },
00300 {  WWT_TEXTBTN, RESIZE_NONE,  14, 249, 259,  30,  41, STR_681A,        STR_NEXT_SIGN_TOOLTIP },
00301 { WIDGETS_END },
00302 };
00303 
00304 static const WindowDesc _query_sign_edit_desc = {
00305   190, 170, 260, 42, 260, 42,
00306   WC_QUERY_STRING, WC_NONE,
00307   WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,
00308   _query_sign_edit_widgets,
00309   QuerySignEditWndProc
00310 };
00311 
00312 void ShowRenameSignWindow(const Sign *si)
00313 {
00314   Window *w;
00315 
00316   /* Delete all other edit windows and the save window */
00317   DeleteWindowById(WC_QUERY_STRING, 0);
00318   DeleteWindowById(WC_SAVELOAD, 0);
00319 
00320   w = AllocateWindowDesc(&_query_sign_edit_desc);
00321 
00322   WP(w, editsign_d).caption = STR_280B_EDIT_SIGN_TEXT;
00323   WP(w, editsign_d).afilter = CS_ALPHANUMERAL;
00324   w->LowerWidget(QUERY_EDIT_SIGN_WIDGET_TEXT);
00325 
00326   UpdateSignEditWindow(w, si);
00327 }
00328 
00329 void DeleteRenameSignWindow(SignID sign)
00330 {
00331   Window *w = FindWindowById(WC_QUERY_STRING, 0);
00332 
00333   if (w != NULL && WP(w, editsign_d).caption == STR_280B_EDIT_SIGN_TEXT && WP(w, editsign_d).cur_sign == sign) DeleteWindow(w);
00334 }

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