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00012 #include "../stdafx.h"
00013 #include "../window_gui.h"
00014 #include "../window_func.h"
00015 #include "../company_base.h"
00016 #include "../company_gui.h"
00017 #include "../date_func.h"
00018 #include "../viewport_func.h"
00019 #include "../smallmap_gui.h"
00020 #include "../core/geometry_func.hpp"
00021 #include "../widgets/link_graph_legend_widget.h"
00022
00023 #include "table/strings.h"
00024
00029 const uint8 LinkGraphOverlay::LINK_COLOURS[] = {
00030 0x0f, 0xd1, 0xd0, 0x57,
00031 0x55, 0x53, 0xbf, 0xbd,
00032 0xba, 0xb9, 0xb7, 0xb5
00033 };
00034
00039 void LinkGraphOverlay::GetWidgetDpi(DrawPixelInfo *dpi) const
00040 {
00041 const NWidgetBase *wi = this->window->GetWidget<NWidgetBase>(this->widget_id);
00042 dpi->left = dpi->top = 0;
00043 dpi->width = wi->current_x;
00044 dpi->height = wi->current_y;
00045 }
00046
00050 void LinkGraphOverlay::RebuildCache()
00051 {
00052 this->cached_links.clear();
00053 this->cached_stations.clear();
00054 if (this->company_mask == 0) return;
00055
00056 DrawPixelInfo dpi;
00057 this->GetWidgetDpi(&dpi);
00058
00059 const Station *sta;
00060 FOR_ALL_STATIONS(sta) {
00061 if (sta->rect.IsEmpty()) continue;
00062
00063 Point pta = this->GetStationMiddle(sta);
00064
00065 StationID from = sta->index;
00066 StationLinkMap &seen_links = this->cached_links[from];
00067
00068 uint supply = 0;
00069 CargoID c;
00070 FOR_EACH_SET_CARGO_ID(c, this->cargo_mask) {
00071 if (!CargoSpec::Get(c)->IsValid()) continue;
00072 if (!LinkGraph::IsValidID(sta->goods[c].link_graph)) continue;
00073 const LinkGraph &lg = *LinkGraph::Get(sta->goods[c].link_graph);
00074
00075 ConstNode from_node = lg[sta->goods[c].node];
00076 supply += lg.Monthly(from_node.Supply());
00077 for (ConstEdgeIterator i = from_node.Begin(); i != from_node.End(); ++i) {
00078 StationID to = lg[i->first].Station();
00079 assert(from != to);
00080 if (!Station::IsValidID(to) || seen_links.find(to) != seen_links.end()) {
00081 continue;
00082 }
00083 const Station *stb = Station::Get(to);
00084 assert(sta != stb);
00085
00086
00087 if (stb->owner != OWNER_NONE && sta->owner != OWNER_NONE && !HasBit(this->company_mask, stb->owner)) continue;
00088 if (stb->rect.IsEmpty()) continue;
00089
00090 if (!this->IsLinkVisible(pta, this->GetStationMiddle(stb), &dpi)) continue;
00091
00092 this->AddLinks(sta, stb);
00093 seen_links[to];
00094 }
00095 }
00096 if (this->IsPointVisible(pta, &dpi)) {
00097 this->cached_stations.push_back(std::make_pair(from, supply));
00098 }
00099 }
00100 }
00101
00109 inline bool LinkGraphOverlay::IsPointVisible(Point pt, const DrawPixelInfo *dpi, int padding) const
00110 {
00111 return pt.x > dpi->left - padding && pt.y > dpi->top - padding &&
00112 pt.x < dpi->left + dpi->width + padding &&
00113 pt.y < dpi->top + dpi->height + padding;
00114 }
00115
00124 inline bool LinkGraphOverlay::IsLinkVisible(Point pta, Point ptb, const DrawPixelInfo *dpi, int padding) const
00125 {
00126 return !((pta.x < dpi->left - padding && ptb.x < dpi->left - padding) ||
00127 (pta.y < dpi->top - padding && ptb.y < dpi->top - padding) ||
00128 (pta.x > dpi->left + dpi->width + padding &&
00129 ptb.x > dpi->left + dpi->width + padding) ||
00130 (pta.y > dpi->top + dpi->height + padding &&
00131 ptb.y > dpi->top + dpi->height + padding));
00132 }
00133
00139 void LinkGraphOverlay::AddLinks(const Station *from, const Station *to)
00140 {
00141 CargoID c;
00142 FOR_EACH_SET_CARGO_ID(c, this->cargo_mask) {
00143 if (!CargoSpec::Get(c)->IsValid()) continue;
00144 const GoodsEntry &ge = from->goods[c];
00145 if (!LinkGraph::IsValidID(ge.link_graph) ||
00146 ge.link_graph != to->goods[c].link_graph) {
00147 continue;
00148 }
00149 const LinkGraph &lg = *LinkGraph::Get(ge.link_graph);
00150 ConstEdge edge = lg[ge.node][to->goods[c].node];
00151 if (edge.Capacity() > 0) {
00152 this->AddStats(lg.Monthly(edge.Capacity()), lg.Monthly(edge.Usage()),
00153 ge.GetSumFlowVia(to->index), from->owner == OWNER_NONE || to->owner == OWNER_NONE,
00154 this->cached_links[from->index][to->index]);
00155 }
00156 }
00157 }
00158
00169 void LinkGraphOverlay::AddStats(uint new_cap, uint new_usg, uint new_plan, bool new_shared, LinkProperties &cargo)
00170 {
00171
00172 if (cargo.capacity == 0 ||
00173 max(cargo.usage, cargo.planned) * 32 / (cargo.capacity + 1) < max(new_usg, new_plan) * 32 / (new_cap + 1)) {
00174 cargo.capacity = new_cap;
00175 cargo.usage = new_usg;
00176 cargo.planned = new_plan;
00177 }
00178 if (new_shared) cargo.shared = true;
00179 }
00180
00185 void LinkGraphOverlay::Draw(const DrawPixelInfo *dpi) const
00186 {
00187 this->DrawLinks(dpi);
00188 this->DrawStationDots(dpi);
00189 }
00190
00195 void LinkGraphOverlay::DrawLinks(const DrawPixelInfo *dpi) const
00196 {
00197 for (LinkMap::const_iterator i(this->cached_links.begin()); i != this->cached_links.end(); ++i) {
00198 if (!Station::IsValidID(i->first)) continue;
00199 Point pta = this->GetStationMiddle(Station::Get(i->first));
00200 for (StationLinkMap::const_iterator j(i->second.begin()); j != i->second.end(); ++j) {
00201 if (!Station::IsValidID(j->first)) continue;
00202 Point ptb = this->GetStationMiddle(Station::Get(j->first));
00203 if (!this->IsLinkVisible(pta, ptb, dpi, this->scale + 2)) continue;
00204 this->DrawContent(pta, ptb, j->second);
00205 }
00206 }
00207 }
00208
00215 void LinkGraphOverlay::DrawContent(Point pta, Point ptb, const LinkProperties &cargo) const
00216 {
00217 uint usage_or_plan = min(cargo.capacity * 2 + 1, max(cargo.usage, cargo.planned));
00218 int colour = LinkGraphOverlay::LINK_COLOURS[usage_or_plan * lengthof(LinkGraphOverlay::LINK_COLOURS) / (cargo.capacity * 2 + 2)];
00219 int dash = cargo.shared ? this->scale * 4 : 0;
00220
00221
00222
00223 if (abs(pta.x - ptb.x) < abs(pta.y - ptb.y)) {
00224 int offset_x = (pta.y > ptb.y ? 1 : -1) * this->scale;
00225 GfxDrawLine(pta.x + offset_x, pta.y, ptb.x + offset_x, ptb.y, colour, this->scale, dash);
00226 } else {
00227 int offset_y = (pta.x < ptb.x ? 1 : -1) * this->scale;
00228 GfxDrawLine(pta.x, pta.y + offset_y, ptb.x, ptb.y + offset_y, colour, this->scale, dash);
00229 }
00230
00231 GfxDrawLine(pta.x, pta.y, ptb.x, ptb.y, _colour_gradient[COLOUR_GREY][1], this->scale);
00232 }
00233
00238 void LinkGraphOverlay::DrawStationDots(const DrawPixelInfo *dpi) const
00239 {
00240 for (StationSupplyList::const_iterator i(this->cached_stations.begin()); i != this->cached_stations.end(); ++i) {
00241 const Station *st = Station::GetIfValid(i->first);
00242 if (st == NULL) continue;
00243 Point pt = this->GetStationMiddle(st);
00244 if (!this->IsPointVisible(pt, dpi, 3 * this->scale)) continue;
00245
00246 uint r = this->scale * 2 + this->scale * 2 * min(200, i->second) / 200;
00247
00248 LinkGraphOverlay::DrawVertex(pt.x, pt.y, r,
00249 _colour_gradient[st->owner != OWNER_NONE ?
00250 (Colours)Company::Get(st->owner)->colour : COLOUR_GREY][5],
00251 _colour_gradient[COLOUR_GREY][1]);
00252 }
00253 }
00254
00263 void LinkGraphOverlay::DrawVertex(int x, int y, int size, int colour, int border_colour)
00264 {
00265 size--;
00266 int w1 = size / 2;
00267 int w2 = size / 2 + size % 2;
00268
00269 GfxFillRect(x - w1, y - w1, x + w2, y + w2, colour);
00270
00271 w1++;
00272 w2++;
00273 GfxDrawLine(x - w1, y - w1, x + w2, y - w1, border_colour);
00274 GfxDrawLine(x - w1, y + w2, x + w2, y + w2, border_colour);
00275 GfxDrawLine(x - w1, y - w1, x - w1, y + w2, border_colour);
00276 GfxDrawLine(x + w2, y - w1, x + w2, y + w2, border_colour);
00277 }
00278
00284 Point LinkGraphOverlay::GetStationMiddle(const Station *st) const
00285 {
00286 if (this->window->viewport != NULL) {
00287 return GetViewportStationMiddle(this->window->viewport, st);
00288 } else {
00289
00290 return static_cast<const SmallMapWindow *>(this->window)->GetStationMiddle(st);
00291 }
00292 }
00293
00298 void LinkGraphOverlay::SetCargoMask(uint32 cargo_mask)
00299 {
00300 this->cargo_mask = cargo_mask;
00301 this->RebuildCache();
00302 this->window->GetWidget<NWidgetBase>(this->widget_id)->SetDirty(this->window);
00303 }
00304
00309 void LinkGraphOverlay::SetCompanyMask(uint32 company_mask)
00310 {
00311 this->company_mask = company_mask;
00312 this->RebuildCache();
00313 this->window->GetWidget<NWidgetBase>(this->widget_id)->SetDirty(this->window);
00314 }
00315
00317 NWidgetBase *MakeCompanyButtonRowsLinkGraphGUI(int *biggest_index)
00318 {
00319 return MakeCompanyButtonRows(biggest_index, WID_LGL_COMPANY_FIRST, WID_LGL_COMPANY_LAST, 3, STR_LINKGRAPH_LEGEND_SELECT_COMPANIES);
00320 }
00321
00322 NWidgetBase *MakeSaturationLegendLinkGraphGUI(int *biggest_index)
00323 {
00324 NWidgetVertical *panel = new NWidgetVertical(NC_EQUALSIZE);
00325 for (uint i = 0; i < lengthof(LinkGraphOverlay::LINK_COLOURS); ++i) {
00326 NWidgetBackground * wid = new NWidgetBackground(WWT_PANEL, COLOUR_DARK_GREEN, i + WID_LGL_SATURATION_FIRST);
00327 wid->SetMinimalSize(50, FONT_HEIGHT_SMALL);
00328 wid->SetFill(1, 1);
00329 wid->SetResize(0, 0);
00330 panel->Add(wid);
00331 }
00332 *biggest_index = WID_LGL_SATURATION_LAST;
00333 return panel;
00334 }
00335
00336 NWidgetBase *MakeCargoesLegendLinkGraphGUI(int *biggest_index)
00337 {
00338 static const uint ENTRIES_PER_ROW = CeilDiv(NUM_CARGO, 5);
00339 NWidgetVertical *panel = new NWidgetVertical(NC_EQUALSIZE);
00340 NWidgetHorizontal *row = NULL;
00341 for (uint i = 0; i < NUM_CARGO; ++i) {
00342 if (i % ENTRIES_PER_ROW == 0) {
00343 if (row) panel->Add(row);
00344 row = new NWidgetHorizontal(NC_EQUALSIZE);
00345 }
00346 NWidgetBackground * wid = new NWidgetBackground(WWT_PANEL, COLOUR_GREY, i + WID_LGL_CARGO_FIRST);
00347 wid->SetMinimalSize(25, FONT_HEIGHT_SMALL);
00348 wid->SetFill(1, 1);
00349 wid->SetResize(0, 0);
00350 row->Add(wid);
00351 }
00352
00353 for (uint i = 0; i < 4 - (NUM_CARGO - 1) % 5; ++i) {
00354 NWidgetSpacer *spc = new NWidgetSpacer(25, FONT_HEIGHT_SMALL);
00355 spc->SetFill(1, 1);
00356 spc->SetResize(0, 0);
00357 row->Add(spc);
00358 }
00359 panel->Add(row);
00360 *biggest_index = WID_LGL_CARGO_LAST;
00361 return panel;
00362 }
00363
00364
00365 static const NWidgetPart _nested_linkgraph_legend_widgets[] = {
00366 NWidget(NWID_HORIZONTAL),
00367 NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00368 NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_LGL_CAPTION), SetDataTip(STR_LINKGRAPH_LEGEND_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00369 NWidget(WWT_SHADEBOX, COLOUR_DARK_GREEN),
00370 NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00371 EndContainer(),
00372 NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
00373 NWidget(NWID_HORIZONTAL),
00374 NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_LGL_SATURATION),
00375 SetPadding(WD_FRAMERECT_TOP, 0, WD_FRAMERECT_BOTTOM, WD_CAPTIONTEXT_LEFT),
00376 NWidgetFunction(MakeSaturationLegendLinkGraphGUI),
00377 EndContainer(),
00378 NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_LGL_COMPANIES),
00379 SetPadding(WD_FRAMERECT_TOP, 0, WD_FRAMERECT_BOTTOM, WD_CAPTIONTEXT_LEFT),
00380 NWidget(NWID_VERTICAL, NC_EQUALSIZE),
00381 NWidgetFunction(MakeCompanyButtonRowsLinkGraphGUI),
00382 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_LGL_COMPANIES_ALL), SetDataTip(STR_LINKGRAPH_LEGEND_ALL, STR_NULL),
00383 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_LGL_COMPANIES_NONE), SetDataTip(STR_LINKGRAPH_LEGEND_NONE, STR_NULL),
00384 EndContainer(),
00385 EndContainer(),
00386 NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_LGL_CARGOES),
00387 SetPadding(WD_FRAMERECT_TOP, WD_FRAMERECT_RIGHT, WD_FRAMERECT_BOTTOM, WD_CAPTIONTEXT_LEFT),
00388 NWidget(NWID_VERTICAL, NC_EQUALSIZE),
00389 NWidgetFunction(MakeCargoesLegendLinkGraphGUI),
00390 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_LGL_CARGOES_ALL), SetDataTip(STR_LINKGRAPH_LEGEND_ALL, STR_NULL),
00391 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_LGL_CARGOES_NONE), SetDataTip(STR_LINKGRAPH_LEGEND_NONE, STR_NULL),
00392 EndContainer(),
00393 EndContainer(),
00394 EndContainer(),
00395 EndContainer()
00396 };
00397
00398 assert_compile(WID_LGL_SATURATION_LAST - WID_LGL_SATURATION_FIRST ==
00399 lengthof(LinkGraphOverlay::LINK_COLOURS) - 1);
00400
00401 static WindowDesc _linkgraph_legend_desc(
00402 WDP_AUTO, "toolbar_linkgraph", 0, 0,
00403 WC_LINKGRAPH_LEGEND, WC_NONE,
00404 0,
00405 _nested_linkgraph_legend_widgets, lengthof(_nested_linkgraph_legend_widgets)
00406 );
00407
00411 void ShowLinkGraphLegend()
00412 {
00413 AllocateWindowDescFront<LinkGraphLegendWindow>(&_linkgraph_legend_desc, 0);
00414 }
00415
00416 LinkGraphLegendWindow::LinkGraphLegendWindow(WindowDesc *desc, int window_number) : Window(desc)
00417 {
00418 this->InitNested(window_number);
00419 this->InvalidateData(0);
00420 this->SetOverlay(FindWindowById(WC_MAIN_WINDOW, 0)->viewport->overlay);
00421 }
00422
00427 void LinkGraphLegendWindow::SetOverlay(LinkGraphOverlay *overlay) {
00428 this->overlay = overlay;
00429 uint32 companies = this->overlay->GetCompanyMask();
00430 for (uint c = 0; c < MAX_COMPANIES; c++) {
00431 if (!this->IsWidgetDisabled(WID_LGL_COMPANY_FIRST + c)) {
00432 this->SetWidgetLoweredState(WID_LGL_COMPANY_FIRST + c, HasBit(companies, c));
00433 }
00434 }
00435 uint32 cargoes = this->overlay->GetCargoMask();
00436 for (uint c = 0; c < NUM_CARGO; c++) {
00437 if (!this->IsWidgetDisabled(WID_LGL_CARGO_FIRST + c)) {
00438 this->SetWidgetLoweredState(WID_LGL_CARGO_FIRST + c, HasBit(cargoes, c));
00439 }
00440 }
00441 }
00442
00443 void LinkGraphLegendWindow::UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00444 {
00445 if (IsInsideMM(widget, WID_LGL_SATURATION_FIRST, WID_LGL_SATURATION_LAST + 1)) {
00446 StringID str = STR_NULL;
00447 if (widget == WID_LGL_SATURATION_FIRST) {
00448 str = STR_LINKGRAPH_LEGEND_UNUSED;
00449 } else if (widget == WID_LGL_SATURATION_LAST) {
00450 str = STR_LINKGRAPH_LEGEND_OVERLOADED;
00451 } else if (widget == (WID_LGL_SATURATION_LAST + WID_LGL_SATURATION_FIRST) / 2) {
00452 str = STR_LINKGRAPH_LEGEND_SATURATED;
00453 }
00454 if (str != STR_NULL) {
00455 Dimension dim = GetStringBoundingBox(str);
00456 dim.width += WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
00457 dim.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
00458 *size = maxdim(*size, dim);
00459 }
00460 }
00461 if (IsInsideMM(widget, WID_LGL_CARGO_FIRST, WID_LGL_CARGO_LAST + 1)) {
00462 CargoSpec *cargo = CargoSpec::Get(widget - WID_LGL_CARGO_FIRST);
00463 if (cargo->IsValid()) {
00464 Dimension dim = GetStringBoundingBox(cargo->abbrev);
00465 dim.width += WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
00466 dim.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
00467 *size = maxdim(*size, dim);
00468 }
00469 }
00470 }
00471
00472 void LinkGraphLegendWindow::DrawWidget(const Rect &r, int widget) const
00473 {
00474 if (IsInsideMM(widget, WID_LGL_COMPANY_FIRST, WID_LGL_COMPANY_LAST + 1)) {
00475 if (this->IsWidgetDisabled(widget)) return;
00476 CompanyID cid = (CompanyID)(widget - WID_LGL_COMPANY_FIRST);
00477 Dimension sprite_size = GetSpriteSize(SPR_COMPANY_ICON);
00478 DrawCompanyIcon(cid, (r.left + r.right + 1 - sprite_size.width) / 2, (r.top + r.bottom + 1 - sprite_size.height) / 2);
00479 }
00480 if (IsInsideMM(widget, WID_LGL_SATURATION_FIRST, WID_LGL_SATURATION_LAST + 1)) {
00481 GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, LinkGraphOverlay::LINK_COLOURS[widget - WID_LGL_SATURATION_FIRST]);
00482 StringID str = STR_NULL;
00483 if (widget == WID_LGL_SATURATION_FIRST) {
00484 str = STR_LINKGRAPH_LEGEND_UNUSED;
00485 } else if (widget == WID_LGL_SATURATION_LAST) {
00486 str = STR_LINKGRAPH_LEGEND_OVERLOADED;
00487 } else if (widget == (WID_LGL_SATURATION_LAST + WID_LGL_SATURATION_FIRST) / 2) {
00488 str = STR_LINKGRAPH_LEGEND_SATURATED;
00489 }
00490 if (str != STR_NULL) DrawString(r.left, r.right, (r.top + r.bottom + 1 - FONT_HEIGHT_SMALL) / 2, str, TC_FROMSTRING, SA_HOR_CENTER);
00491 }
00492 if (IsInsideMM(widget, WID_LGL_CARGO_FIRST, WID_LGL_CARGO_LAST + 1)) {
00493 if (this->IsWidgetDisabled(widget)) return;
00494 CargoSpec *cargo = CargoSpec::Get(widget - WID_LGL_CARGO_FIRST);
00495 GfxFillRect(r.left + 2, r.top + 2, r.right - 2, r.bottom - 2, cargo->legend_colour);
00496 DrawString(r.left, r.right, (r.top + r.bottom + 1 - FONT_HEIGHT_SMALL) / 2, cargo->abbrev, TC_BLACK, SA_HOR_CENTER);
00497 }
00498 }
00499
00503 void LinkGraphLegendWindow::UpdateOverlayCompanies()
00504 {
00505 uint32 mask = 0;
00506 for (uint c = 0; c < MAX_COMPANIES; c++) {
00507 if (this->IsWidgetDisabled(c + WID_LGL_COMPANY_FIRST)) continue;
00508 if (!this->IsWidgetLowered(c + WID_LGL_COMPANY_FIRST)) continue;
00509 SetBit(mask, c);
00510 }
00511 this->overlay->SetCompanyMask(mask);
00512 }
00513
00517 void LinkGraphLegendWindow::UpdateOverlayCargoes()
00518 {
00519 uint32 mask = 0;
00520 for (uint c = 0; c < NUM_CARGO; c++) {
00521 if (this->IsWidgetDisabled(c + WID_LGL_CARGO_FIRST)) continue;
00522 if (!this->IsWidgetLowered(c + WID_LGL_CARGO_FIRST)) continue;
00523 SetBit(mask, c);
00524 }
00525 this->overlay->SetCargoMask(mask);
00526 }
00527
00528 void LinkGraphLegendWindow::OnClick(Point pt, int widget, int click_count)
00529 {
00530
00531 if (IsInsideMM(widget, WID_LGL_COMPANY_FIRST, WID_LGL_COMPANY_LAST + 1)) {
00532 if (!this->IsWidgetDisabled(widget)) {
00533 this->ToggleWidgetLoweredState(widget);
00534 this->UpdateOverlayCompanies();
00535 }
00536 } else if (widget == WID_LGL_COMPANIES_ALL || widget == WID_LGL_COMPANIES_NONE) {
00537 for (uint c = 0; c < MAX_COMPANIES; c++) {
00538 if (this->IsWidgetDisabled(c + WID_LGL_COMPANY_FIRST)) continue;
00539 this->SetWidgetLoweredState(WID_LGL_COMPANY_FIRST + c, widget == WID_LGL_COMPANIES_ALL);
00540 }
00541 this->UpdateOverlayCompanies();
00542 this->SetDirty();
00543 } else if (IsInsideMM(widget, WID_LGL_CARGO_FIRST, WID_LGL_CARGO_LAST + 1)) {
00544 if (!this->IsWidgetDisabled(widget)) {
00545 this->ToggleWidgetLoweredState(widget);
00546 this->UpdateOverlayCargoes();
00547 }
00548 } else if (widget == WID_LGL_CARGOES_ALL || widget == WID_LGL_CARGOES_NONE) {
00549 for (uint c = 0; c < NUM_CARGO; c++) {
00550 if (this->IsWidgetDisabled(c + WID_LGL_CARGO_FIRST)) continue;
00551 this->SetWidgetLoweredState(WID_LGL_CARGO_FIRST + c, widget == WID_LGL_CARGOES_ALL);
00552 }
00553 this->UpdateOverlayCargoes();
00554 }
00555 this->SetDirty();
00556 }
00557
00563 void LinkGraphLegendWindow::OnInvalidateData(int data, bool gui_scope)
00564 {
00565
00566 for (CompanyID i = COMPANY_FIRST; i < MAX_COMPANIES; i++) {
00567 this->SetWidgetDisabledState(i + WID_LGL_COMPANY_FIRST, !Company::IsValidID(i));
00568 }
00569 for (CargoID i = 0; i < NUM_CARGO; i++) {
00570 this->SetWidgetDisabledState(i + WID_LGL_CARGO_FIRST, !CargoSpec::Get(i)->IsValid());
00571 }
00572 }