object_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 "command_func.h"
00014 #include "newgrf.h"
00015 #include "newgrf_object.h"
00016 #include "newgrf_text.h"
00017 #include "strings_func.h"
00018 #include "viewport_func.h"
00019 #include "window_gui.h"
00020 #include "window_func.h"
00021 
00022 #include "widgets/object_widget.h"
00023 
00024 #include "table/strings.h"
00025 
00026 static ObjectClassID _selected_object_class; 
00027 static int _selected_object_index;           
00028 static uint8 _selected_object_view;          
00029 static uint _matrix_col_count;               
00030 static uint _list_row_count;                 
00031 
00033 class BuildObjectWindow : public PickerWindowBase {
00034   static const int OBJECT_MARGIN = 4; 
00035   int line_height;                    
00036   int info_height;                    
00037   Scrollbar *vscroll;                 
00038 
00040   void EnsureSelectedObjectClassIsVisible()
00041   {
00042     uint pos = 0;
00043     for (int i = 0; i < _selected_object_class; i++) {
00044       if (ObjectClass::Get((ObjectClassID) i)->GetUISpecCount() == 0) continue;
00045       pos++;
00046     }
00047     this->vscroll->ScrollTowards(pos);
00048   }
00049 
00054   bool CanRestoreSelectedObject()
00055   {
00056     if (_selected_object_index == -1) return false;
00057 
00058     ObjectClass *sel_objclass = ObjectClass::Get(_selected_object_class);
00059     if ((int)sel_objclass->GetSpecCount() <= _selected_object_index) return false;
00060 
00061     return sel_objclass->GetSpec(_selected_object_index)->IsAvailable();
00062   }
00063 
00068   uint GetMatrixColumnCount()
00069   {
00070     const NWidgetBase *matrix = this->GetWidget<NWidgetBase>(WID_BO_SELECT_MATRIX);
00071     return 1 + (matrix->current_x - matrix->smallest_x) / matrix->resize_x;
00072   }
00073 
00074 public:
00075   BuildObjectWindow(WindowDesc *desc, Window *w) : PickerWindowBase(desc, w), info_height(1)
00076   {
00077     this->CreateNestedTree();
00078 
00079     this->vscroll = this->GetScrollbar(WID_BO_SCROLLBAR);
00080     this->vscroll->SetCapacity(5);
00081     this->vscroll->SetPosition(0);
00082     this->vscroll->SetCount(ObjectClass::GetUIClassCount());
00083 
00084     this->FinishInitNested(0);
00085 
00086     if (this->CanRestoreSelectedObject()) {
00087       this->SelectOtherObject(_selected_object_index);
00088     } else {
00089       this->SelectFirstAvailableObject(true);
00090     }
00091     assert(ObjectClass::Get(_selected_object_class)->GetUISpecCount() > 0); // object GUI should be disables elsewise
00092     this->EnsureSelectedObjectClassIsVisible();
00093     this->GetWidget<NWidgetMatrix>(WID_BO_OBJECT_MATRIX)->SetCount(4);
00094 
00095     NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BO_SELECT_MATRIX);
00096     matrix->SetScrollbar(this->GetScrollbar(WID_BO_SELECT_SCROLL));
00097     matrix->SetCount(ObjectClass::Get(_selected_object_class)->GetUISpecCount());
00098 
00099     /* If needed restore the window previous size with the stored values.*/
00100     uint default_num_cols = this->GetMatrixColumnCount();
00101     uint default_num_rows = this->vscroll->GetCapacity();
00102     int delta_x = (_matrix_col_count > default_num_cols) ? (_matrix_col_count - default_num_cols) * this->resize.step_width : 0;
00103     int delta_y = (_list_row_count > default_num_rows) ? (_list_row_count - default_num_rows) * this->resize.step_height : 0;
00104     if (delta_x > 0 || delta_y > 0) {
00105       ResizeWindow(this, delta_x, delta_y, false);
00106       /* The window may be linked to the toolbars, thus positioned at the left-bottom of the toolbars.
00107        * If the resized window is wider than the toolbars, its position need te be adjusted to ensure all
00108        * matrix columns are visible. */
00109       this->FindWindowPlacementAndResize(this->width, this->height);
00110     }
00111 
00112     if (_selected_object_index != -1) matrix->SetClicked(_selected_object_index);
00113   }
00114 
00115   virtual ~BuildObjectWindow()
00116   {
00117     /* Store the number of columns of the object type matrix and the number of rows of the object class list
00118      * to restore them on the next window invocation. */
00119     _matrix_col_count = this->GetMatrixColumnCount();
00120     _list_row_count = this->vscroll->GetCapacity();
00121   }
00122 
00123   virtual void SetStringParameters(int widget) const
00124   {
00125     switch (widget) {
00126       case WID_BO_OBJECT_NAME: {
00127         const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
00128         SetDParam(0, spec != NULL ? spec->name : STR_EMPTY);
00129         break;
00130       }
00131 
00132       case WID_BO_OBJECT_SIZE: {
00133         const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
00134         int size = spec == NULL ? 0 : spec->size;
00135         SetDParam(0, GB(size, HasBit(_selected_object_view, 0) ? 4 : 0, 4));
00136         SetDParam(1, GB(size, HasBit(_selected_object_view, 0) ? 0 : 4, 4));
00137         break;
00138       }
00139 
00140       default: break;
00141     }
00142   }
00143 
00144   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00145   {
00146     switch (widget) {
00147       case WID_BO_CLASS_LIST: {
00148         for (uint i = 0; i < ObjectClass::GetClassCount(); i++) {
00149           ObjectClass *objclass = ObjectClass::Get((ObjectClassID)i);
00150           if (objclass->GetUISpecCount() == 0) continue;
00151           size->width = max(size->width, GetStringBoundingBox(objclass->name).width);
00152         }
00153         size->width += padding.width;
00154         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
00155         resize->height = this->line_height;
00156         size->height = this->vscroll->GetCapacity() * this->line_height;
00157         break;
00158       }
00159 
00160       case WID_BO_OBJECT_NAME:
00161       case WID_BO_OBJECT_SIZE:
00162         /* We do not want the window to resize when selecting objects; better clip texts */
00163         size->width = 0;
00164         break;
00165 
00166       case WID_BO_OBJECT_MATRIX: {
00167         /* Get the right amount of buttons based on the current spec. */
00168         const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
00169         if (spec != NULL) {
00170           if (spec->views >= 2) size->width  += resize->width;
00171           if (spec->views >= 4) size->height += resize->height;
00172         }
00173         resize->width = 0;
00174         resize->height = 0;
00175         break;
00176       }
00177 
00178       case WID_BO_OBJECT_SPRITE: {
00179         bool two_wide = false;  // Whether there will be two widgets next to each other in the matrix or not.
00180         int height[2] = {0, 0}; // The height for the different views; in this case views 1/2 and 4.
00181 
00182         /* Get the height and view information. */
00183         for (int i = 0; i < NUM_OBJECTS; i++) {
00184           const ObjectSpec *spec = ObjectSpec::Get(i);
00185           if (!spec->IsEverAvailable()) continue;
00186           two_wide |= spec->views >= 2;
00187           height[spec->views / 4] = max<int>(ObjectSpec::Get(i)->height, height[spec->views / 4]);
00188         }
00189 
00190         /* Determine the pixel heights. */
00191         for (size_t i = 0; i < lengthof(height); i++) {
00192           height[i] *= TILE_HEIGHT;
00193           height[i] += TILE_PIXELS + 2 * OBJECT_MARGIN;
00194         }
00195 
00196         /* Now determine the size of the minimum widgets. When there are two columns, then
00197          * we want these columns to be slightly less wide. When there are two rows, then
00198          * determine the size of the widgets based on the maximum size for a single row
00199          * of widgets, or just the twice the widget height of the two row ones. */
00200         size->height = max(height[0], height[1] * 2 + 2);
00201         if (two_wide) {
00202           size->width  = (3 * TILE_PIXELS + 2 * OBJECT_MARGIN) * 2 + 2;
00203         } else {
00204           size->width  = 4 * TILE_PIXELS + 2 * OBJECT_MARGIN;
00205         }
00206 
00207         /* Get the right size for the single widget based on the current spec. */
00208         const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
00209         if (spec != NULL) {
00210           if (spec->views >= 2) size->width  = size->width  / 2 - 1;
00211           if (spec->views >= 4) size->height = size->height / 2 - 1;
00212         }
00213         break;
00214       }
00215 
00216       case WID_BO_INFO:
00217         size->height = this->info_height;
00218         break;
00219 
00220       case WID_BO_SELECT_MATRIX:
00221         fill->height = 1;
00222         resize->height = 1;
00223         break;
00224 
00225       default: break;
00226     }
00227   }
00228 
00229   virtual void DrawWidget(const Rect &r, int widget) const
00230   {
00231     switch (GB(widget, 0, 16)) {
00232       case WID_BO_CLASS_LIST: {
00233         int y = r.top;
00234         uint pos = 0;
00235         for (uint i = 0; i < ObjectClass::GetClassCount(); i++) {
00236           ObjectClass *objclass = ObjectClass::Get((ObjectClassID)i);
00237           if (objclass->GetUISpecCount() == 0) continue;
00238           if (!this->vscroll->IsVisible(pos++)) continue;
00239           SetDParam(0, objclass->name);
00240           DrawString(r.left + WD_MATRIX_LEFT, r.right + WD_MATRIX_RIGHT, y + WD_MATRIX_TOP, STR_JUST_STRING,
00241               ((int)i == _selected_object_class) ? TC_WHITE : TC_BLACK);
00242           y += this->line_height;
00243         }
00244         break;
00245       }
00246 
00247       case WID_BO_OBJECT_SPRITE: {
00248         const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
00249         if (spec == NULL) break;
00250 
00251         /* Height of the selection matrix.
00252          * Depending on the number of views, the matrix has a 1x1, 1x2, 2x1 or 2x2 layout. To make the previews
00253          * look nice in all layouts, we use the 4x4 layout (smallest previews) as starting point. For the bigger
00254          * previews in the layouts with less views we add space homogeneously on all sides, so the 4x4 preview-rectangle
00255          * is centered in the 2x1, 1x2 resp. 1x1 buttons. */
00256         uint matrix_height = this->GetWidget<NWidgetMatrix>(WID_BO_OBJECT_MATRIX)->current_y;
00257 
00258         DrawPixelInfo tmp_dpi;
00259         /* Set up a clipping area for the preview. */
00260         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
00261           DrawPixelInfo *old_dpi = _cur_dpi;
00262           _cur_dpi = &tmp_dpi;
00263           if (spec->grf_prop.grffile == NULL) {
00264             extern const DrawTileSprites _objects[];
00265             const DrawTileSprites *dts = &_objects[spec->grf_prop.local_id];
00266             DrawOrigTileSeqInGUI((r.right - r.left) / 2 - 1, (r.bottom - r.top + matrix_height / 2) / 2 - OBJECT_MARGIN - TILE_PIXELS, dts, PAL_NONE);
00267           } else {
00268             DrawNewObjectTileInGUI((r.right - r.left) / 2 - 1, (r.bottom - r.top + matrix_height / 2) / 2 - OBJECT_MARGIN - TILE_PIXELS, spec, GB(widget, 16, 16));
00269           }
00270           _cur_dpi = old_dpi;
00271         }
00272         break;
00273       }
00274 
00275       case WID_BO_SELECT_IMAGE: {
00276         ObjectClass *objclass = ObjectClass::Get(_selected_object_class);
00277         int obj_index = objclass->GetIndexFromUI(GB(widget, 16, 16));
00278         if (obj_index < 0) break;
00279         const ObjectSpec *spec = objclass->GetSpec(obj_index);
00280         if (spec == NULL) break;
00281 
00282         if (!spec->IsAvailable()) {
00283           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
00284         }
00285         DrawPixelInfo tmp_dpi;
00286         /* Set up a clipping area for the preview. */
00287         if (FillDrawPixelInfo(&tmp_dpi, r.left + 1, r.top, (r.right - 1) - (r.left + 1) + 1, r.bottom - r.top + 1)) {
00288           DrawPixelInfo *old_dpi = _cur_dpi;
00289           _cur_dpi = &tmp_dpi;
00290           if (spec->grf_prop.grffile == NULL) {
00291             extern const DrawTileSprites _objects[];
00292             const DrawTileSprites *dts = &_objects[spec->grf_prop.local_id];
00293             DrawOrigTileSeqInGUI((r.right - r.left) / 2 - 1, r.bottom - r.top - OBJECT_MARGIN - TILE_PIXELS, dts, PAL_NONE);
00294           } else {
00295             DrawNewObjectTileInGUI((r.right - r.left) / 2 - 1, r.bottom - r.top - OBJECT_MARGIN - TILE_PIXELS, spec,
00296                 min(_selected_object_view, spec->views - 1));
00297           }
00298           _cur_dpi = old_dpi;
00299         }
00300         break;
00301       }
00302 
00303       case WID_BO_INFO: {
00304         const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
00305         if (spec == NULL) break;
00306 
00307         /* Get the extra message for the GUI */
00308         if (HasBit(spec->callback_mask, CBM_OBJ_FUND_MORE_TEXT)) {
00309           uint16 callback_res = GetObjectCallback(CBID_OBJECT_FUND_MORE_TEXT, 0, 0, spec, NULL, INVALID_TILE, _selected_object_view);
00310           if (callback_res != CALLBACK_FAILED && callback_res != 0x400) {
00311             if (callback_res > 0x400) {
00312               ErrorUnknownCallbackResult(spec->grf_prop.grffile->grfid, CBID_OBJECT_FUND_MORE_TEXT, callback_res);
00313             } else {
00314               StringID message = GetGRFStringID(spec->grf_prop.grffile->grfid, 0xD000 + callback_res);
00315               if (message != STR_NULL && message != STR_UNDEFINED) {
00316                 StartTextRefStackUsage(6);
00317                 /* Use all the available space left from where we stand up to the
00318                  * end of the window. We ALSO enlarge the window if needed, so we
00319                  * can 'go' wild with the bottom of the window. */
00320                 int y = DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, message, TC_ORANGE) - r.top;
00321                 StopTextRefStackUsage();
00322                 if (y > this->info_height) {
00323                   BuildObjectWindow *bow = const_cast<BuildObjectWindow *>(this);
00324                   bow->info_height = y + 2;
00325                   bow->ReInit();
00326                 }
00327               }
00328             }
00329           }
00330         }
00331       }
00332     }
00333   }
00334 
00339   void SelectOtherObject(int object_index)
00340   {
00341     _selected_object_index = object_index;
00342     if (_selected_object_index != -1) {
00343       const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
00344       _selected_object_view = min(_selected_object_view, spec->views - 1);
00345       this->ReInit();
00346     } else {
00347       _selected_object_view = 0;
00348     }
00349 
00350     this->GetWidget<NWidgetMatrix>(WID_BO_OBJECT_MATRIX)->SetClicked(_selected_object_view);
00351     this->GetWidget<NWidgetMatrix>(WID_BO_SELECT_MATRIX)->SetClicked(_selected_object_index != -1 ? ObjectClass::Get(_selected_object_class)->GetUIFromIndex(_selected_object_index) : -1);
00352     this->UpdateSelectSize();
00353     this->SetDirty();
00354   }
00355 
00356   void UpdateSelectSize()
00357   {
00358     if (_selected_object_index == -1) {
00359       SetTileSelectSize(1, 1);
00360     } else {
00361       const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
00362       int w = GB(spec->size, HasBit(_selected_object_view, 0) ? 4 : 0, 4);
00363       int h = GB(spec->size, HasBit(_selected_object_view, 0) ? 0 : 4, 4);
00364       SetTileSelectSize(w, h);
00365     }
00366   }
00367 
00368   virtual void OnResize()
00369   {
00370     this->vscroll->SetCapacityFromWidget(this, WID_BO_CLASS_LIST);
00371     this->GetWidget<NWidgetCore>(WID_BO_CLASS_LIST)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00372   }
00373 
00374   virtual void OnClick(Point pt, int widget, int click_count)
00375   {
00376     switch (GB(widget, 0, 16)) {
00377       case WID_BO_CLASS_LIST: {
00378         int num_clicked = this->vscroll->GetPosition() + (pt.y - this->nested_array[widget]->pos_y) / this->line_height;
00379         if (num_clicked >= (int)ObjectClass::GetUIClassCount()) break;
00380 
00381         _selected_object_class = ObjectClass::GetUIClass(num_clicked);
00382         this->GetWidget<NWidgetMatrix>(WID_BO_SELECT_MATRIX)->SetCount(ObjectClass::Get(_selected_object_class)->GetUISpecCount());
00383         this->SelectFirstAvailableObject(false);
00384         break;
00385       }
00386 
00387       case WID_BO_SELECT_IMAGE: {
00388         ObjectClass *objclass = ObjectClass::Get(_selected_object_class);
00389         int num_clicked = objclass->GetIndexFromUI(GB(widget, 16, 16));
00390         if (num_clicked >= 0 && objclass->GetSpec(num_clicked)->IsAvailable()) this->SelectOtherObject(num_clicked);
00391         break;
00392       }
00393 
00394       case WID_BO_OBJECT_SPRITE:
00395         if (_selected_object_index != -1) {
00396           _selected_object_view = GB(widget, 16, 16);
00397           this->GetWidget<NWidgetMatrix>(WID_BO_OBJECT_MATRIX)->SetClicked(_selected_object_view);
00398           this->UpdateSelectSize();
00399           this->SetDirty();
00400         }
00401         break;
00402     }
00403   }
00404 
00410   void SelectFirstAvailableObject(bool change_class)
00411   {
00412     /* First try to select an object in the selected class. */
00413     ObjectClass *sel_objclass = ObjectClass::Get(_selected_object_class);
00414     for (uint i = 0; i < sel_objclass->GetSpecCount(); i++) {
00415       const ObjectSpec *spec = sel_objclass->GetSpec(i);
00416       if (spec->IsAvailable()) {
00417         this->SelectOtherObject(i);
00418         return;
00419       }
00420     }
00421     if (change_class) {
00422       /* If that fails, select the first available object
00423        * from a random class. */
00424       for (ObjectClassID j = OBJECT_CLASS_BEGIN; j < OBJECT_CLASS_MAX; j++) {
00425         ObjectClass *objclass = ObjectClass::Get(j);
00426         for (uint i = 0; i < objclass->GetSpecCount(); i++) {
00427           const ObjectSpec *spec = objclass->GetSpec(i);
00428           if (spec->IsAvailable()) {
00429             _selected_object_class = j;
00430             this->SelectOtherObject(i);
00431             return;
00432           }
00433         }
00434       }
00435     }
00436     /* If all objects are unavailable, select nothing... */
00437     if (ObjectClass::Get(_selected_object_class)->GetUISpecCount() == 0) {
00438       /* ... but make sure that the class is not empty. */
00439       for (ObjectClassID j = OBJECT_CLASS_BEGIN; j < OBJECT_CLASS_MAX; j++) {
00440         if (ObjectClass::Get(j)->GetUISpecCount() > 0) {
00441           _selected_object_class = j;
00442           break;
00443         }
00444       }
00445     }
00446     this->SelectOtherObject(-1);
00447   }
00448 };
00449 
00450 static const NWidgetPart _nested_build_object_widgets[] = {
00451   NWidget(NWID_HORIZONTAL),
00452     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00453     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_OBJECT_BUILD_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00454     NWidget(WWT_DEFSIZEBOX, COLOUR_DARK_GREEN),
00455   EndContainer(),
00456   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
00457     NWidget(NWID_HORIZONTAL), SetPadding(2, 0, 0, 0),
00458       NWidget(NWID_VERTICAL),
00459         NWidget(NWID_HORIZONTAL), SetPadding(0, 5, 2, 5),
00460           NWidget(WWT_MATRIX, COLOUR_GREY, WID_BO_CLASS_LIST), SetFill(1, 0), SetDataTip(0x501, STR_OBJECT_BUILD_CLASS_TOOLTIP), SetScrollbar(WID_BO_SCROLLBAR),
00461           NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_BO_SCROLLBAR),
00462         EndContainer(),
00463         NWidget(NWID_HORIZONTAL), SetPadding(0, 5, 0, 5),
00464           NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BO_OBJECT_MATRIX), SetPIP(0, 2, 0),
00465             NWidget(WWT_PANEL, COLOUR_GREY, WID_BO_OBJECT_SPRITE), SetDataTip(0x0, STR_OBJECT_BUILD_PREVIEW_TOOLTIP), EndContainer(),
00466           EndContainer(),
00467         EndContainer(),
00468         NWidget(WWT_TEXT, COLOUR_DARK_GREEN, WID_BO_OBJECT_NAME), SetDataTip(STR_ORANGE_STRING, STR_NULL), SetPadding(2, 5, 2, 5),
00469         NWidget(WWT_TEXT, COLOUR_DARK_GREEN, WID_BO_OBJECT_SIZE), SetDataTip(STR_OBJECT_BUILD_SIZE, STR_NULL), SetPadding(2, 5, 2, 5),
00470       EndContainer(),
00471       NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetScrollbar(WID_BO_SELECT_SCROLL),
00472         NWidget(NWID_HORIZONTAL),
00473           NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BO_SELECT_MATRIX), SetFill(0, 1), SetPIP(0, 2, 0),
00474             NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BO_SELECT_IMAGE), SetMinimalSize(66, 60), SetDataTip(0x0, STR_OBJECT_BUILD_TOOLTIP),
00475                 SetFill(0, 0), SetResize(0, 0), SetScrollbar(WID_BO_SELECT_SCROLL),
00476             EndContainer(),
00477           EndContainer(),
00478           NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BO_SELECT_SCROLL),
00479         EndContainer(),
00480       EndContainer(),
00481     EndContainer(),
00482     NWidget(NWID_HORIZONTAL),
00483       NWidget(WWT_EMPTY, INVALID_COLOUR, WID_BO_INFO), SetPadding(2, 5, 0, 5), SetFill(1, 0), SetResize(1, 0),
00484       NWidget(NWID_VERTICAL),
00485         NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(0, 1), EndContainer(),
00486         NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
00487       EndContainer(),
00488     EndContainer(),
00489   EndContainer(),
00490 };
00491 
00492 static WindowDesc _build_object_desc(
00493   WDP_AUTO, "build_object", 0, 0,
00494   WC_BUILD_OBJECT, WC_BUILD_TOOLBAR,
00495   WDF_CONSTRUCTION,
00496   _nested_build_object_widgets, lengthof(_nested_build_object_widgets)
00497 );
00498 
00503 void ShowBuildObjectPicker(Window *w)
00504 {
00505   new BuildObjectWindow(&_build_object_desc, w);
00506 }
00507 
00509 void InitializeObjectGui()
00510 {
00511   _selected_object_class = (ObjectClassID)0;
00512 }
00513 
00519 void PlaceProc_Object(TileIndex tile)
00520 {
00521   DoCommandP(tile, ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index)->Index(), _selected_object_view, CMD_BUILD_OBJECT | CMD_MSG(STR_ERROR_CAN_T_BUILD_OBJECT), CcTerraform);
00522 }