src/waypoint_gui.cpp

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file waypoint_gui.cpp Handling of waypoints gui. */
  11
  12 #include "stdafx.h"
  13 #include "window_gui.h"
  14 #include "gui.h"
  15 #include "textbuf_gui.h"
  16 #include "vehiclelist.h"
  17 #include "vehicle_gui.h"
  18 #include "viewport_func.h"
  19 #include "strings_func.h"
  20 #include "command_func.h"
  21 #include "company_func.h"
  22 #include "company_base.h"
  23 #include "window_func.h"
  24 #include "waypoint_base.h"
  25
  26 #include "widgets/waypoint_widget.h"
  27
  28 #include "table/strings.h"
  29
  30 #include "safeguards.h"
  31
  32 /** GUI for accessing waypoints and buoys. */
  33 struct WaypointWindow : Window {
  34 private:
  35         VehicleType vt; ///< Vehicle type using the waypoint.
  36         Waypoint *wp;   ///< Waypoint displayed by the window.
  37
  38         /**
  39          * Get the center tile of the waypoint.
  40          * @return The center tile if the waypoint exists, otherwise the tile with the waypoint name.
  41          */
  42         TileIndex GetCenterTile() const
  43         {
  44                 if (!this->wp->IsInUse()) return this->wp->xy;
  45
  46                 TileArea ta;
  47                 this->wp->GetTileArea(&ta, this->vt == VEH_TRAIN ? STATION_WAYPOINT : STATION_BUOY);
  48                 return ta.GetCenterTile();
  49         }
  50
  51 public:
  52         /**
  53          * Construct the window.
  54          * @param desc The description of the window.
  55          * @param window_number The window number, in this case the waypoint's ID.
  56          */
  57         WaypointWindow(WindowDesc *desc, WindowNumber window_number) : Window(desc)
  58         {
  59                 this->wp = Waypoint::Get(window_number);
  60                 this->vt = (wp->string_id == STR_SV_STNAME_WAYPOINT) ? VEH_TRAIN : VEH_SHIP;
  61
  62                 this->CreateNestedTree();
  63                 if (this->vt == VEH_TRAIN) {
  64                         this->GetWidget<NWidgetCore>(WID_W_SHOW_VEHICLES)->SetDataTip(STR_TRAIN, STR_STATION_VIEW_SCHEDULED_TRAINS_TOOLTIP);
  65                         this->GetWidget<NWidgetCore>(WID_W_CENTER_VIEW)->tool_tip = STR_WAYPOINT_VIEW_CENTER_TOOLTIP;
  66                         this->GetWidget<NWidgetCore>(WID_W_RENAME)->tool_tip = STR_WAYPOINT_VIEW_CHANGE_WAYPOINT_NAME;
  67                 }
  68                 this->FinishInitNested(window_number);
  69
  70                 this->owner = this->wp->owner;
  71                 this->flags |= WF_DISABLE_VP_SCROLL;
  72
  73                 NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_W_VIEWPORT);
  74                 nvp->InitializeViewport(this, this->GetCenterTile(), ZOOM_LVL_VIEWPORT);
  75
  76                 this->OnInvalidateData(0);
  77         }
  78
  79         ~WaypointWindow()
  80         {
  81                 DeleteWindowById(GetWindowClassForVehicleType(this->vt), VehicleListIdentifier(VL_STATION_LIST, this->vt, this->owner, this->window_number).Pack(), false);
  82         }
  83
  84         virtual void SetStringParameters(int widget) const
  85         {
  86                 if (widget == WID_W_CAPTION) SetDParam(0, this->wp->index);
  87         }
  88
  89         virtual void OnClick(Point pt, int widget, int click_count)
  90         {
  91                 switch (widget) {
  92                         case WID_W_CENTER_VIEW: // scroll to location
  93                                 if (_ctrl_pressed) {
  94                                         ShowExtraViewPortWindow(this->GetCenterTile());
  95                                 } else {
  96                                         ScrollMainWindowToTile(this->GetCenterTile());
  97                                 }
  98                                 break;
  99
 100                         case WID_W_RENAME: // rename
 101                                 SetDParam(0, this->wp->index);
 102                                 ShowQueryString(STR_WAYPOINT_NAME, STR_EDIT_WAYPOINT_NAME, MAX_LENGTH_STATION_NAME_CHARS, this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
 103                                 break;
 104
 105                         case WID_W_SHOW_VEHICLES: // show list of vehicles having this waypoint in their orders
 106                                 ShowVehicleListWindow(this->wp->owner, this->vt, this->wp->index);
 107                                 break;
 108                 }
 109         }
 110
 111         /**
 112          * Some data on this window has become invalid.
 113          * @param data Information about the changed data.
 114          * @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.
 115          */
 116         virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
 117         {
 118                 if (!gui_scope) return;
 119                 /* You can only change your own waypoints */
 120                 this->SetWidgetDisabledState(WID_W_RENAME, !this->wp->IsInUse() || (this->wp->owner != _local_company && this->wp->owner != OWNER_NONE));
 121                 /* Disable the widget for waypoints with no use */
 122                 this->SetWidgetDisabledState(WID_W_SHOW_VEHICLES, !this->wp->IsInUse());
 123
 124                 ScrollWindowToTile(this->GetCenterTile(), this, true);
 125         }
 126
 127         virtual void OnResize()
 128         {
 129                 if (this->viewport != NULL) {
 130                         NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_W_VIEWPORT);
 131                         nvp->UpdateViewportCoordinates(this);
 132                         this->wp->UpdateVirtCoord();
 133
 134                         ScrollWindowToTile(this->GetCenterTile(), this, true); // Re-center viewport.
 135                 }
 136         }
 137
 138         virtual void OnQueryTextFinished(char *str)
 139         {
 140                 if (str == NULL) return;
 141
 142                 DoCommandP(0, this->window_number, 0, CMD_RENAME_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_CHANGE_WAYPOINT_NAME), NULL, str);
 143         }
 144
 145 };
 146
 147 /** The widgets of the waypoint view. */
 148 static const NWidgetPart _nested_waypoint_view_widgets[] = {
 149         NWidget(NWID_HORIZONTAL),
 150                 NWidget(WWT_CLOSEBOX, COLOUR_GREY),
 151                 NWidget(WWT_CAPTION, COLOUR_GREY, WID_W_CAPTION), SetDataTip(STR_WAYPOINT_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 152                 NWidget(WWT_SHADEBOX, COLOUR_GREY),
 153                 NWidget(WWT_DEFSIZEBOX, COLOUR_GREY),
 154                 NWidget(WWT_STICKYBOX, COLOUR_GREY),
 155         EndContainer(),
 156         NWidget(WWT_PANEL, COLOUR_GREY),
 157                 NWidget(WWT_INSET, COLOUR_GREY), SetPadding(2, 2, 2, 2),
 158                         NWidget(NWID_VIEWPORT, COLOUR_GREY, WID_W_VIEWPORT), SetMinimalSize(256, 88), SetPadding(1, 1, 1, 1), SetResize(1, 1),
 159                 EndContainer(),
 160         EndContainer(),
 161         NWidget(NWID_HORIZONTAL),
 162                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_W_CENTER_VIEW), SetMinimalSize(100, 12), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_BUTTON_LOCATION, STR_BUOY_VIEW_CENTER_TOOLTIP),
 163                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_W_RENAME), SetMinimalSize(100, 12), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_BUTTON_RENAME, STR_BUOY_VIEW_CHANGE_BUOY_NAME),
 164                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_W_SHOW_VEHICLES), SetMinimalSize(15, 12), SetDataTip(STR_SHIP, STR_STATION_VIEW_SCHEDULED_SHIPS_TOOLTIP),
 165                 NWidget(WWT_RESIZEBOX, COLOUR_GREY),
 166         EndContainer(),
 167 };
 168
 169 /** The description of the waypoint view. */
 170 static WindowDesc _waypoint_view_desc(
 171         WDP_AUTO, "view_waypoint", 260, 118,
 172         WC_WAYPOINT_VIEW, WC_NONE,
 173         0,
 174         _nested_waypoint_view_widgets, lengthof(_nested_waypoint_view_widgets)
 175 );
 176
 177 /**
 178  * Show the window for the given waypoint.
 179  * @param wp The waypoint to show the window for.
 180  */
 181 void ShowWaypointWindow(const Waypoint *wp)
 182 {
 183         AllocateWindowDescFront<WaypointWindow>(&_waypoint_view_desc, wp->index);
 184 }