transparency_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 "window_gui.h"
00014 #include "transparency.h"
00015 #include "sound_func.h"
00016 
00017 #include "widgets/transparency_widget.h"
00018 
00019 #include "table/sprites.h"
00020 #include "table/strings.h"
00021 
00022 TransparencyOptionBits _transparency_opt;  
00023 TransparencyOptionBits _transparency_lock; 
00024 TransparencyOptionBits _invisibility_opt;  
00025 byte _display_opt; 
00026 
00027 class TransparenciesWindow : public Window
00028 {
00029 public:
00030   TransparenciesWindow(const WindowDesc *desc, int window_number) : Window()
00031   {
00032     this->InitNested(desc, window_number);
00033   }
00034 
00035   virtual void OnPaint()
00036   {
00037     this->OnInvalidateData(0); // Must be sure that the widgets show the transparency variable changes, also when we use shortcuts.
00038     this->DrawWidgets();
00039   }
00040 
00041   virtual void DrawWidget(const Rect &r, int widget) const
00042   {
00043     switch (widget) {
00044       case WID_TT_SIGNS:
00045       case WID_TT_TREES:
00046       case WID_TT_HOUSES:
00047       case WID_TT_INDUSTRIES:
00048       case WID_TT_BUILDINGS:
00049       case WID_TT_BRIDGES:
00050       case WID_TT_STRUCTURES:
00051       case WID_TT_CATENARY:
00052       case WID_TT_LOADING: {
00053         uint i = widget - WID_TT_BEGIN;
00054         if (HasBit(_transparency_lock, i)) DrawSprite(SPR_LOCK, PAL_NONE, r.left + 1, r.top + 1);
00055         break;
00056       }
00057       case WID_TT_BUTTONS:
00058         for (uint i = WID_TT_BEGIN; i < WID_TT_END; i++) {
00059           if (i == WID_TT_LOADING) continue; // Do not draw button for invisible loading indicators.
00060 
00061           const NWidgetBase *wi = this->GetWidget<NWidgetBase>(i);
00062           DrawFrameRect(wi->pos_x + 1, r.top + 2, wi->pos_x + wi->current_x - 2, r.bottom - 2, COLOUR_PALE_GREEN,
00063               HasBit(_invisibility_opt, i - WID_TT_BEGIN) ? FR_LOWERED : FR_NONE);
00064         }
00065         break;
00066     }
00067   }
00068 
00069   virtual void OnClick(Point pt, int widget, int click_count)
00070   {
00071     if (widget >= WID_TT_BEGIN && widget < WID_TT_END) {
00072       if (_ctrl_pressed) {
00073         /* toggle the bit of the transparencies lock variable */
00074         ToggleTransparencyLock((TransparencyOption)(widget - WID_TT_BEGIN));
00075         this->SetDirty();
00076       } else {
00077         /* toggle the bit of the transparencies variable and play a sound */
00078         ToggleTransparency((TransparencyOption)(widget - WID_TT_BEGIN));
00079         SndPlayFx(SND_15_BEEP);
00080         MarkWholeScreenDirty();
00081       }
00082     } else if (widget == WID_TT_BUTTONS) {
00083       uint i;
00084       for (i = WID_TT_BEGIN; i < WID_TT_END; i++) {
00085         const NWidgetBase *nwid = this->GetWidget<NWidgetBase>(i);
00086         if (IsInsideBS(pt.x, nwid->pos_x, nwid->current_x)) {
00087           break;
00088         }
00089       }
00090       if (i == WID_TT_LOADING || i == WID_TT_END) return;
00091 
00092       ToggleInvisibility((TransparencyOption)(i - WID_TT_BEGIN));
00093       SndPlayFx(SND_15_BEEP);
00094 
00095       /* Redraw whole screen only if transparency is set */
00096       if (IsTransparencySet((TransparencyOption)(i - WID_TT_BEGIN))) {
00097         MarkWholeScreenDirty();
00098       } else {
00099         this->SetWidgetDirty(WID_TT_BUTTONS);
00100       }
00101     }
00102   }
00103 
00104   virtual Point OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number)
00105   {
00106     Point pt = GetToolbarAlignedWindowPosition(sm_width);
00107     pt.y += 2 * (sm_height - this->GetWidget<NWidgetBase>(WID_TT_BUTTONS)->current_y);
00108     return pt;
00109   }
00110 
00116   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00117   {
00118     if (!gui_scope) return;
00119     for (uint i = WID_TT_BEGIN; i < WID_TT_END; i++) {
00120       this->SetWidgetLoweredState(i, IsTransparencySet((TransparencyOption)(i - WID_TT_BEGIN)));
00121     }
00122   }
00123 };
00124 
00125 static const NWidgetPart _nested_transparency_widgets[] = {
00126   NWidget(NWID_HORIZONTAL),
00127     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00128     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_TRANSPARENCY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00129     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00130   EndContainer(),
00131   NWidget(NWID_HORIZONTAL),
00132     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_SIGNS), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_SIGN, STR_TRANSPARENT_SIGNS_TOOLTIP),
00133     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_TREES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_PLANTTREES, STR_TRANSPARENT_TREES_TOOLTIP),
00134     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_HOUSES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_TOWN, STR_TRANSPARENT_HOUSES_TOOLTIP),
00135     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_INDUSTRIES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_INDUSTRY, STR_TRANSPARENT_INDUSTRIES_TOOLTIP),
00136     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_BUILDINGS), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_COMPANY_LIST, STR_TRANSPARENT_BUILDINGS_TOOLTIP),
00137     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_BRIDGES), SetMinimalSize(43, 22), SetFill(0, 1), SetDataTip(SPR_IMG_BRIDGE, STR_TRANSPARENT_BRIDGES_TOOLTIP),
00138     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_STRUCTURES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_TRANSMITTER, STR_TRANSPARENT_STRUCTURES_TOOLTIP),
00139     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_CATENARY), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_BUILD_X_ELRAIL, STR_TRANSPARENT_CATENARY_TOOLTIP),
00140     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_LOADING), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_TRAINLIST, STR_TRANSPARENT_LOADING_TOOLTIP),
00141     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(1, 1), EndContainer(),
00142   EndContainer(),
00143   /* Panel with 'inivisibility' buttons. */
00144   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_TT_BUTTONS), SetMinimalSize(219, 13), SetDataTip(0x0, STR_TRANSPARENT_INVISIBLE_TOOLTIP),
00145   EndContainer(),
00146 };
00147 
00148 static const WindowDesc _transparency_desc(
00149   WDP_MANUAL, 0, 0,
00150   WC_TRANSPARENCY_TOOLBAR, WC_NONE,
00151   0,
00152   _nested_transparency_widgets, lengthof(_nested_transparency_widgets)
00153 );
00154 
00158 void ShowTransparencyToolbar()
00159 {
00160   AllocateWindowDescFront<TransparenciesWindow>(&_transparency_desc, 0);
00161 }