transparency_gui.cpp

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00001 /* $Id: transparency_gui.cpp 18966 2010-01-30 18:34:48Z frosch $ */
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 "window_gui.h"
00014 #include "transparency.h"
00015 #include "sound_func.h"
00016 
00017 #include "table/sprites.h"
00018 #include "table/strings.h"
00019 
00020 TransparencyOptionBits _transparency_opt;
00021 TransparencyOptionBits _transparency_lock;
00022 TransparencyOptionBits _invisibility_opt;
00023 
00025 enum TransparencyToolbarWidgets {
00026   /* Button row. */
00027   TTW_WIDGET_BEGIN,                    
00028   TTW_WIDGET_SIGNS = TTW_WIDGET_BEGIN, 
00029   TTW_WIDGET_TREES,                    
00030   TTW_WIDGET_HOUSES,                   
00031   TTW_WIDGET_INDUSTRIES,               
00032   TTW_WIDGET_BUILDINGS,                
00033   TTW_WIDGET_BRIDGES,                  
00034   TTW_WIDGET_STRUCTURES,               
00035   TTW_WIDGET_CATENARY,                 
00036   TTW_WIDGET_LOADING,                  
00037   TTW_WIDGET_END,                      
00038 
00039   /* Panel with buttons for invisibility */
00040   TTW_WIDGET_BUTTONS,                  
00041 };
00042 
00043 class TransparenciesWindow : public Window
00044 {
00045 public:
00046   TransparenciesWindow(const WindowDesc *desc, int window_number) : Window()
00047   {
00048     this->InitNested(desc, window_number);
00049   }
00050 
00051   virtual void OnPaint()
00052   {
00053     OnInvalidateData(0); // Must be sure that the widgets show the transparency variable changes, also when we use shortcuts.
00054     this->DrawWidgets();
00055   }
00056 
00057   virtual void DrawWidget(const Rect &r, int widget) const
00058   {
00059     switch (widget) {
00060       case TTW_WIDGET_SIGNS:
00061       case TTW_WIDGET_TREES:
00062       case TTW_WIDGET_HOUSES:
00063       case TTW_WIDGET_INDUSTRIES:
00064       case TTW_WIDGET_BUILDINGS:
00065       case TTW_WIDGET_BRIDGES:
00066       case TTW_WIDGET_STRUCTURES:
00067       case TTW_WIDGET_CATENARY:
00068       case TTW_WIDGET_LOADING: {
00069         uint i = widget - TTW_WIDGET_BEGIN;
00070         if (HasBit(_transparency_lock, i)) DrawSprite(SPR_LOCK, PAL_NONE, r.left + 1, r.top + 1);
00071         break;
00072       }
00073       case TTW_WIDGET_BUTTONS:
00074         for (uint i = TTW_WIDGET_BEGIN; i < TTW_WIDGET_END; i++) {
00075           if (i == TTW_WIDGET_LOADING) continue; // Do not draw button for invisible loading indicators.
00076 
00077           const NWidgetBase *wi = this->GetWidget<NWidgetBase>(i);
00078           DrawFrameRect(wi->pos_x + 1, r.top + 2, wi->pos_x + wi->current_x - 2, r.bottom - 2, COLOUR_PALE_GREEN,
00079               HasBit(_invisibility_opt, i - TTW_WIDGET_BEGIN) ? FR_LOWERED : FR_NONE);
00080         }
00081         break;
00082     }
00083   }
00084 
00085   virtual void OnClick(Point pt, int widget, int click_count)
00086   {
00087     if (widget >= TTW_WIDGET_BEGIN && widget < TTW_WIDGET_END) {
00088       if (_ctrl_pressed) {
00089         /* toggle the bit of the transparencies lock variable */
00090         ToggleTransparencyLock((TransparencyOption)(widget - TTW_WIDGET_BEGIN));
00091         this->SetDirty();
00092       } else {
00093         /* toggle the bit of the transparencies variable and play a sound */
00094         ToggleTransparency((TransparencyOption)(widget - TTW_WIDGET_BEGIN));
00095         SndPlayFx(SND_15_BEEP);
00096         MarkWholeScreenDirty();
00097       }
00098     } else if (widget == TTW_WIDGET_BUTTONS) {
00099       uint i;
00100       for (i = TTW_WIDGET_BEGIN; i < TTW_WIDGET_END; i++) {
00101         const NWidgetBase *nwid = this->GetWidget<NWidgetBase>(i);
00102         if (IsInsideBS(pt.x, nwid->pos_x, nwid->current_x))
00103           break;
00104       }
00105       if (i == TTW_WIDGET_LOADING || i == TTW_WIDGET_END) return;
00106 
00107       ToggleInvisibility((TransparencyOption)(i - TTW_WIDGET_BEGIN));
00108       SndPlayFx(SND_15_BEEP);
00109 
00110       /* Redraw whole screen only if transparency is set */
00111       if (IsTransparencySet((TransparencyOption)(i - TTW_WIDGET_BEGIN))) {
00112         MarkWholeScreenDirty();
00113       } else {
00114         this->SetWidgetDirty(TTW_WIDGET_BUTTONS);
00115       }
00116     }
00117   }
00118 
00119   virtual Point OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number)
00120   {
00121     Point pt = GetToolbarAlignedWindowPosition(sm_width);
00122     pt.y += 2 * (sm_height - this->GetWidget<NWidgetBase>(TTW_WIDGET_BUTTONS)->current_y);
00123     return pt;
00124   }
00125 
00126   virtual void OnInvalidateData(int data)
00127   {
00128     for (uint i = TTW_WIDGET_BEGIN; i < TTW_WIDGET_END; i++) {
00129       this->SetWidgetLoweredState(i, IsTransparencySet((TransparencyOption)(i - TTW_WIDGET_BEGIN)));
00130     }
00131   }
00132 };
00133 
00134 static const NWidgetPart _nested_transparency_widgets[] = {
00135   NWidget(NWID_HORIZONTAL),
00136     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00137     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_TRANSPARENCY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00138     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00139   EndContainer(),
00140   NWidget(NWID_HORIZONTAL),
00141     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_WIDGET_SIGNS), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_SIGN, STR_TRANSPARENT_SIGNS_TOOLTIP),
00142     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_WIDGET_TREES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_PLANTTREES, STR_TRANSPARENT_TREES_TOOLTIP),
00143     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_WIDGET_HOUSES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_TOWN, STR_TRANSPARENT_HOUSES_TOOLTIP),
00144     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_WIDGET_INDUSTRIES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_INDUSTRY, STR_TRANSPARENT_INDUSTRIES_TOOLTIP),
00145     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_WIDGET_BUILDINGS), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_COMPANY_LIST, STR_TRANSPARENT_BUILDINGS_TOOLTIP),
00146     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_WIDGET_BRIDGES), SetMinimalSize(43, 22), SetFill(0, 1), SetDataTip(SPR_IMG_BRIDGE, STR_TRANSPARENT_BRIDGES_TOOLTIP),
00147     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_WIDGET_STRUCTURES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_TRANSMITTER, STR_TRANSPARENT_STRUCTURES_TOOLTIP),
00148     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_WIDGET_CATENARY), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_BUILD_X_ELRAIL, STR_TRANSPARENT_CATENARY_TOOLTIP),
00149     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_WIDGET_LOADING), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_TRAINLIST, STR_TRANSPARENT_LOADING_TOOLTIP),
00150     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(1, 1), EndContainer(),
00151   EndContainer(),
00152   /* Panel with 'inivisibility' buttons. */
00153   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, TTW_WIDGET_BUTTONS), SetMinimalSize(219, 13), SetDataTip(0x0, STR_TRANSPARENT_INVISIBLE_TOOLTIP),
00154   EndContainer(),
00155 };
00156 
00157 static const WindowDesc _transparency_desc(
00158   WDP_MANUAL, 0, 0,
00159   WC_TRANSPARENCY_TOOLBAR, WC_NONE,
00160   0,
00161   _nested_transparency_widgets, lengthof(_nested_transparency_widgets)
00162 );
00163 
00164 void ShowTransparencyToolbar()
00165 {
00166   AllocateWindowDescFront<TransparenciesWindow>(&_transparency_desc, 0);
00167 }

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