src/transparency_gui.cpp

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file transparency_gui.cpp The transparency GUI. */
   9
  10 #include "stdafx.h"
  11 #include "window_gui.h"
  12 #include "transparency.h"
  13 #include "sound_func.h"
  14 #include "settings_type.h"
  15
  16 #include "widgets/transparency_widget.h"
  17
  18 #include "table/sprites.h"
  19 #include "table/strings.h"
  20
  21 #include "safeguards.h"
  22
  23 TransparencyOptionBits _transparency_opt;  ///< The bits that should be transparent.
  24 TransparencyOptionBits _transparency_lock; ///< Prevent these bits from flipping with X.
  25 TransparencyOptionBits _invisibility_opt;  ///< The bits that should be invisible.
  26 byte _display_opt; ///< What do we want to draw/do?
  27
  28 class TransparenciesWindow : public Window
  29 {
  30 public:
  31         TransparenciesWindow(WindowDesc *desc, int window_number) : Window(desc)
  32         {
  33                 this->InitNested(window_number);
  34         }
  35
  36         void OnPaint() override
  37         {
  38                 this->OnInvalidateData(0); // Must be sure that the widgets show the transparency variable changes, also when we use shortcuts.
  39                 this->DrawWidgets();
  40         }
  41
  42         void DrawWidget(const Rect &r, int widget) const override
  43         {
  44                 switch (widget) {
  45                         case WID_TT_SIGNS:
  46                         case WID_TT_TREES:
  47                         case WID_TT_HOUSES:
  48                         case WID_TT_INDUSTRIES:
  49                         case WID_TT_BUILDINGS:
  50                         case WID_TT_BRIDGES:
  51                         case WID_TT_STRUCTURES:
  52                         case WID_TT_CATENARY:
  53                         case WID_TT_LOADING: {
  54                                 uint i = widget - WID_TT_BEGIN;
  55                                 if (HasBit(_transparency_lock, i)) DrawSprite(SPR_LOCK, PAL_NONE, r.left + 1, r.top + 1);
  56                                 break;
  57                         }
  58                         case WID_TT_BUTTONS:
  59                                 for (uint i = WID_TT_BEGIN; i < WID_TT_END; i++) {
  60                                         if (i == WID_TT_LOADING) continue; // Do not draw button for invisible loading indicators.
  61
  62                                         const NWidgetBase *wi = this->GetWidget<NWidgetBase>(i);
  63                                         DrawFrameRect(wi->pos_x + 1, r.top + 2, wi->pos_x + wi->current_x - 2, r.bottom - 2, COLOUR_PALE_GREEN,
  64                                                         HasBit(_invisibility_opt, i - WID_TT_BEGIN) ? FR_LOWERED : FR_NONE);
  65                                 }
  66                                 break;
  67                 }
  68         }
  69
  70         void OnClick(Point pt, int widget, int click_count) override
  71         {
  72                 if (widget >= WID_TT_BEGIN && widget < WID_TT_END) {
  73                         if (_ctrl_pressed) {
  74                                 /* toggle the bit of the transparencies lock variable */
  75                                 ToggleTransparencyLock((TransparencyOption)(widget - WID_TT_BEGIN));
  76                                 this->SetDirty();
  77                         } else {
  78                                 /* toggle the bit of the transparencies variable and play a sound */
  79                                 ToggleTransparency((TransparencyOption)(widget - WID_TT_BEGIN));
  80                                 if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
  81                                 MarkWholeScreenDirty();
  82                         }
  83                 } else if (widget == WID_TT_BUTTONS) {
  84                         uint i;
  85                         for (i = WID_TT_BEGIN; i < WID_TT_END; i++) {
  86                                 const NWidgetBase *nwid = this->GetWidget<NWidgetBase>(i);
  87                                 if (IsInsideBS(pt.x, nwid->pos_x, nwid->current_x)) {
  88                                         break;
  89                                 }
  90                         }
  91                         if (i == WID_TT_LOADING || i == WID_TT_END) return;
  92
  93                         ToggleInvisibility((TransparencyOption)(i - WID_TT_BEGIN));
  94                         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
  95
  96                         /* Redraw whole screen only if transparency is set */
  97                         if (IsTransparencySet((TransparencyOption)(i - WID_TT_BEGIN))) {
  98                                 MarkWholeScreenDirty();
  99                         } else {
 100                                 this->SetWidgetDirty(WID_TT_BUTTONS);
 101                         }
 102                 }
 103         }
 104
 105         Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number) override
 106         {
 107                 Point pt = GetToolbarAlignedWindowPosition(sm_width);
 108                 pt.y += 2 * (sm_height - this->GetWidget<NWidgetBase>(WID_TT_BUTTONS)->current_y);
 109                 return pt;
 110         }
 111
 112         /**
 113          * Some data on this window has become invalid.
 114          * @param data Information about the changed data.
 115          * @param gui_scope Whether the call is done from GUI scope. You may not do everything when not in GUI scope. See #InvalidateWindowData() for details.
 116          */
 117         void OnInvalidateData(int data = 0, bool gui_scope = true) override
 118         {
 119                 if (!gui_scope) return;
 120                 for (uint i = WID_TT_BEGIN; i < WID_TT_END; i++) {
 121                         this->SetWidgetLoweredState(i, IsTransparencySet((TransparencyOption)(i - WID_TT_BEGIN)));
 122                 }
 123         }
 124 };
 125
 126 static const NWidgetPart _nested_transparency_widgets[] = {
 127         NWidget(NWID_HORIZONTAL),
 128                 NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
 129                 NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_TRANSPARENCY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 130                 NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
 131         EndContainer(),
 132         NWidget(NWID_HORIZONTAL),
 133                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_SIGNS), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_SIGN, STR_TRANSPARENT_SIGNS_TOOLTIP),
 134                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_TREES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_PLANTTREES, STR_TRANSPARENT_TREES_TOOLTIP),
 135                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_HOUSES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_TOWN, STR_TRANSPARENT_HOUSES_TOOLTIP),
 136                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_INDUSTRIES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_INDUSTRY, STR_TRANSPARENT_INDUSTRIES_TOOLTIP),
 137                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_BUILDINGS), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_COMPANY_LIST, STR_TRANSPARENT_BUILDINGS_TOOLTIP),
 138                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_BRIDGES), SetMinimalSize(43, 22), SetFill(0, 1), SetDataTip(SPR_IMG_BRIDGE, STR_TRANSPARENT_BRIDGES_TOOLTIP),
 139                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_STRUCTURES), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_TRANSMITTER, STR_TRANSPARENT_STRUCTURES_TOOLTIP),
 140                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_CATENARY), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_BUILD_X_ELRAIL, STR_TRANSPARENT_CATENARY_TOOLTIP),
 141                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_TT_LOADING), SetMinimalSize(22, 22), SetFill(0, 1), SetDataTip(SPR_IMG_TRAINLIST, STR_TRANSPARENT_LOADING_TOOLTIP),
 142                 NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(1, 1), EndContainer(),
 143         EndContainer(),
 144         /* Panel with 'invisibility' buttons. */
 145         NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_TT_BUTTONS), SetMinimalSize(219, 13), SetDataTip(0x0, STR_TRANSPARENT_INVISIBLE_TOOLTIP),
 146         EndContainer(),
 147 };
 148
 149 static WindowDesc _transparency_desc(
 150         WDP_MANUAL, "toolbar_transparency", 0, 0,
 151         WC_TRANSPARENCY_TOOLBAR, WC_NONE,
 152         0,
 153         _nested_transparency_widgets, lengthof(_nested_transparency_widgets)
 154 );
 155
 156 /**
 157  * Show the transparency toolbar.
 158  */
 159 void ShowTransparencyToolbar()
 160 {
 161         AllocateWindowDescFront<TransparenciesWindow>(&_transparency_desc, 0);
 162 }