diff --git a/src/industry_gui.cpp b/src/industry_gui.cpp --- a/src/industry_gui.cpp +++ b/src/industry_gui.cpp @@ -1258,3 +1258,1141 @@ void ShowIndustryDirectory() { AllocateWindowDescFront(&_industry_directory_desc, 0); } + +/** Widget numbers of the industry cargoes window, */ +enum IndustryCargoesWidgets { + ICW_CAPTION, + ICW_PANEL, + ICW_SCROLLBAR, +}; + +/** Widgets of the industry cargoes window. */ +static const NWidgetPart _nested_industry_cargoes_widgets[] = { + NWidget(NWID_HORIZONTAL), + NWidget(WWT_CLOSEBOX, COLOUR_BROWN), + NWidget(WWT_CAPTION, COLOUR_BROWN, ICW_CAPTION), SetDataTip(STR_INDUSTRY_CARGOES_INDUSTRY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS), + NWidget(WWT_SHADEBOX, COLOUR_BROWN), + NWidget(WWT_STICKYBOX, COLOUR_BROWN), + EndContainer(), + NWidget(NWID_HORIZONTAL), + NWidget(WWT_PANEL, COLOUR_BROWN, ICW_PANEL), SetResize(1, 1), SetMinimalSize(200, 90), EndContainer(), + NWidget(NWID_VERTICAL), + NWidget(WWT_SCROLLBAR, COLOUR_BROWN, ICW_SCROLLBAR), + NWidget(WWT_RESIZEBOX, COLOUR_BROWN), + EndContainer(), + EndContainer(), +}; + +/** Window description for the industry cargoes window. */ +static const WindowDesc _industry_cargoes_desc( + WDP_AUTO, 300, 200, + WC_INDUSTRY_CARGOES, WC_NONE, + 0, + _nested_industry_cargoes_widgets, lengthof(_nested_industry_cargoes_widgets) +); + +/** Available types of field. */ +enum CargoesFieldType { + CFT_EMPTY, ///< Empty field. + CFT_SMALL_EMPTY, ///< Empty small field (for the header). + CFT_INDUSTRY, ///< Display industry. + CFT_CARGO, ///< Display cargo connections. + CFT_CARGO_LABEL, ///< Display cargo labels. + CFT_HEADER, ///< Header text. +}; + +static const uint MAX_CARGOES = 3; ///< Maximum number of cargoes carried in a #CFT_CARGO field in #CargoesField. + +/** Data about a single field in the #IndustryCargoesWindow panel. */ +struct CargoesField { + static const int VERT_INTER_INDUSTRY_SPACE; + static const int HOR_CARGO_BORDER_SPACE; + static const int CARGO_STUB_WIDTH; + static const int HOR_CARGO_WIDTH, HOR_CARGO_SPACE; + static const int CARGO_FIELD_WIDTH; + static const int VERT_CARGO_SPACE, VERT_CARGO_EDGE; + + static const int INDUSTRY_LINE_COLOUR; + static const int CARGO_LINE_COLOUR; + + static int small_height, normal_height; + static int industry_width; + + CargoesFieldType type; ///< Type of field. + union { + struct { + IndustryType ind_type; ///< Industry type (#NUM_INDUSTRYTYPES means 'houses'). + CargoID other_produced[MAX_CARGOES]; ///< Cargoes produced but not used in this figure. + CargoID other_accepted[MAX_CARGOES]; ///< Cargoes accepted but not used in this figure. + } industry; ///< Industry data (for #CFT_INDUSTRY). + struct { + CargoID vertical_cargoes[MAX_CARGOES]; ///< Cargoes running from top to bottom (cargo ID or #INVALID_CARGO). + byte num_cargoes; ///< Number of cargoes. + CargoID supp_cargoes[MAX_CARGOES]; ///< Cargoes entering from the left (index in #vertical_cargoes, or #INVALID_CARGO). + byte top_end; ///< Stop at the top of the vertical cargoes. + CargoID cust_cargoes[MAX_CARGOES]; ///< Cargoes leaving to the right (index in #vertical_cargoes, or #INVALID_CARGO). + byte bottom_end; ///< Stop at the bottom of the vertical cargoes. + } cargo; ///< Cargo data (for #CFT_CARGO). + struct { + CargoID cargoes[MAX_CARGOES]; ///< Cargoes to display (or #INVALID_CARGO). + bool left_align; ///< Align all cargo texts to the left (else align to the right). + } cargo_label; ///< Label data (for #CFT_CARGO_LABEL). + StringID header; ///< Header text (for #CFT_HEADER). + } u; // Data for each type. + + /** + * Make one of the empty fields (#CFT_EMPTY or #CFT_SMALL_EMPTY). + * @param type Type of empty field. + */ + void MakeEmpty(CargoesFieldType type) + { + this->type = type; + } + + /** + * Make an industry type field. + * @param ind_type Industry type (#NUM_INDUSTRYTYPES means 'houses'). + * @note #other_accepted and #other_produced should be filled later. + */ + void MakeIndustry(IndustryType ind_type) + { + this->type = CFT_INDUSTRY; + this->u.industry.ind_type = ind_type; + MemSetT(this->u.industry.other_accepted, INVALID_CARGO, MAX_CARGOES); + MemSetT(this->u.industry.other_produced, INVALID_CARGO, MAX_CARGOES); + } + + /** + * Connect a cargo from an industry to the #CFT_CARGO column. + * @param cargo Cargo to connect. + * @param produced Cargo is produced (if \c false, cargo is assumed to be accepted). + * @return Horizontal connection index, or \c -1 if not accepted at all. + */ + int ConnectCargo(CargoID cargo, bool producer) + { + assert(this->type == CFT_CARGO); + if (cargo == INVALID_CARGO) return -1; + + /* Find the vertical cargo column carrying the cargo. */ + int column = -1; + for (int i = 0; i < this->u.cargo.num_cargoes; i++) { + if (cargo == this->u.cargo.vertical_cargoes[i]) { + column = i; + break; + } + } + if (column < 0) return -1; + + if (producer) { + assert(this->u.cargo.supp_cargoes[column] == INVALID_CARGO); + this->u.cargo.supp_cargoes[column] = column; + } else { + assert(this->u.cargo.cust_cargoes[column] == INVALID_CARGO); + this->u.cargo.cust_cargoes[column] = column; + } + return column; + } + + /** + * Does this #CFT_CARGO field have a horizontal connection? + * @return \c true if a horizontal connection exists, \c false otherwise. + */ + bool HasConnection() + { + assert(this->type == CFT_CARGO); + + for (uint i = 0; i < MAX_CARGOES; i++) { + if (this->u.cargo.supp_cargoes[i] != INVALID_CARGO) return true; + if (this->u.cargo.cust_cargoes[i] != INVALID_CARGO) return true; + } + return false; + } + + /** + * Make a piece of cargo column. + * @param cargoes Array of #CargoID (may contain #INVALID_CARGO). + * @param length Number of cargoes in #cargoes. + * @param count Number of cargoes to display (should be at least the number of valid cargoes, or \c -1 to let the method compute it). + * @param top_end This is the first cargo field of this column. + * @param bottom_end This is the last cargo field of this column. + * @note #supp_cargoes and #cust_cargoes should be filled in later. + */ + void MakeCargo(const CargoID *cargoes, uint length, int count = -1, bool top_end = false, bool bottom_end = false) + { + this->type = CFT_CARGO; + uint i; + uint num = 0; + for (i = 0; i < MAX_CARGOES && i < length; i++) { + if (cargoes[i] != INVALID_CARGO) { + this->u.cargo.vertical_cargoes[num] = cargoes[i]; + num++; + } + } + this->u.cargo.num_cargoes = (count < 0) ? num : count; + for (; num < MAX_CARGOES; num++) this->u.cargo.vertical_cargoes[num] = INVALID_CARGO; + this->u.cargo.top_end = top_end; + this->u.cargo.bottom_end = bottom_end; + MemSetT(this->u.cargo.supp_cargoes, INVALID_CARGO, MAX_CARGOES); + MemSetT(this->u.cargo.cust_cargoes, INVALID_CARGO, MAX_CARGOES); + } + + /** + * Make a field displaying cargo type names. + * @param cargoes Array of #CargoID (may contain #INVALID_CARGO). + * @param length Number of cargoes in #cargoes. + * @param left_align ALign texts to the left (else to the right). + */ + void MakeCargoLabel(const CargoID *cargoes, uint length, bool left_align) + { + this->type = CFT_CARGO_LABEL; + uint i; + for (i = 0; i < MAX_CARGOES && i < length; i++) this->u.cargo_label.cargoes[i] = cargoes[i]; + for (; i < MAX_CARGOES; i++) this->u.cargo_label.cargoes[i] = INVALID_CARGO; + this->u.cargo_label.left_align = left_align; + } + + /** + * Make a header above an industry column. + * @param textid Text to display. + */ + void MakeHeader(StringID textid) + { + this->type = CFT_HEADER; + this->u.header = textid; + } + + /** + * For a #CFT_CARGO, compute the left position of the left-most vertical cargo connection. + * @param xpos Left position of the field. + * @return Left position of the left-most vertical cargo column. + */ + int GetCargoBase(int xpos) const + { + assert(this->type == CFT_CARGO); + + switch (this->u.cargo.num_cargoes) { + case 0: return xpos + CARGO_FIELD_WIDTH / 2; + case 1: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH / 2; + case 2: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH - HOR_CARGO_SPACE / 2; + case 3: return xpos + CARGO_FIELD_WIDTH / 2 - HOR_CARGO_WIDTH - HOR_CARGO_SPACE - HOR_CARGO_WIDTH / 2; + default: NOT_REACHED(); + } + } + + /** + * Draw the field. + * @param xpos Position of the left edge. + * @param vpos Position of the top edge. + */ + void Draw(int xpos, int ypos) const + { + switch (this->type) { + case CFT_EMPTY: + case CFT_SMALL_EMPTY: + break; + + case CFT_HEADER: + ypos += (small_height - FONT_HEIGHT_NORMAL) / 2; + DrawString(xpos, xpos + industry_width, ypos, this->u.header, TC_WHITE, SA_HOR_CENTER); + break; + + case CFT_INDUSTRY: { + int ypos1 = ypos + VERT_INTER_INDUSTRY_SPACE / 2; + int ypos2 = ypos + normal_height - 1 - VERT_INTER_INDUSTRY_SPACE / 2; + int xpos2 = xpos + industry_width - 1; + GfxDrawLine(xpos, ypos1, xpos2, ypos1, INDUSTRY_LINE_COLOUR); + GfxDrawLine(xpos, ypos1, xpos, ypos2, INDUSTRY_LINE_COLOUR); + GfxDrawLine(xpos, ypos2, xpos2, ypos2, INDUSTRY_LINE_COLOUR); + GfxDrawLine(xpos2, ypos1, xpos2, ypos2, INDUSTRY_LINE_COLOUR); + ypos += (normal_height - FONT_HEIGHT_NORMAL) / 2; + if (this->u.industry.ind_type < NUM_INDUSTRYTYPES) { + SetDParam(0, GetIndustrySpec(this->u.industry.ind_type)->name); + DrawString(xpos, xpos2, ypos, STR_JUST_STRING, TC_WHITE, SA_HOR_CENTER); + } else { + DrawString(xpos, xpos2, ypos, STR_INDUSTRY_CARGOES_HOUSES, TC_FROMSTRING, SA_HOR_CENTER); + } + + /* Draw the other_produced/other_accepted cargoes. */ + const CargoID *other_right, *other_left; + if (_dynlang.text_dir == TD_RTL) { + other_right = this->u.industry.other_accepted; + other_left = this->u.industry.other_produced; + } else { + other_right = this->u.industry.other_produced; + other_left = this->u.industry.other_accepted; + } + ypos1 += VERT_CARGO_EDGE; + for (uint i = 0; i < MAX_CARGOES; i++) { + if (other_right[i] != INVALID_CARGO) { + const CargoSpec *csp = CargoSpec::Get(other_right[i]); + int xp = xpos + industry_width + CARGO_STUB_WIDTH; + DrawHorConnection(xpos + industry_width, xp - 1, ypos1, csp); + GfxDrawLine(xp, ypos1, xp, ypos1 + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR); + } + if (other_left[i] != INVALID_CARGO) { + const CargoSpec *csp = CargoSpec::Get(other_left[i]); + int xp = xpos - CARGO_STUB_WIDTH; + DrawHorConnection(xp + 1, xpos - 1, ypos1, csp); + GfxDrawLine(xp, ypos1, xp, ypos1 + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR); + } + ypos1 += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE; + } + break; + } + + case CFT_CARGO: { + int cargo_base = this->GetCargoBase(xpos); + int top = ypos + (this->u.cargo.top_end ? VERT_INTER_INDUSTRY_SPACE / 2 + 1 : 0); + int bot = ypos - (this->u.cargo.bottom_end ? VERT_INTER_INDUSTRY_SPACE / 2 + 1 : 0) + normal_height - 1; + int colpos = cargo_base; + for (int i = 0; i < this->u.cargo.num_cargoes; i++) { + if (this->u.cargo.top_end) GfxDrawLine(colpos, top - 1, colpos + HOR_CARGO_WIDTH - 1, top - 1, CARGO_LINE_COLOUR); + if (this->u.cargo.bottom_end) GfxDrawLine(colpos, bot + 1, colpos + HOR_CARGO_WIDTH - 1, bot + 1, CARGO_LINE_COLOUR); + GfxDrawLine(colpos, top, colpos, bot, CARGO_LINE_COLOUR); + colpos++; + const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[i]); + GfxFillRect(colpos, top, colpos + HOR_CARGO_WIDTH - 2, bot, csp->legend_colour, FILLRECT_OPAQUE); + colpos += HOR_CARGO_WIDTH - 2; + GfxDrawLine(colpos, top, colpos, bot, CARGO_LINE_COLOUR); + colpos += 1 + HOR_CARGO_SPACE; + } + + const CargoID *hor_left, *hor_right; + if (_dynlang.text_dir == TD_RTL) { + hor_left = this->u.cargo.cust_cargoes; + hor_right = this->u.cargo.supp_cargoes; + } else { + hor_left = this->u.cargo.supp_cargoes; + hor_right = this->u.cargo.cust_cargoes; + } + ypos += VERT_CARGO_EDGE + VERT_INTER_INDUSTRY_SPACE / 2; + for (uint i = 0; i < MAX_CARGOES; i++) { + if (hor_left[i] != INVALID_CARGO) { + int col = hor_left[i]; + int dx = 0; + const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[col]); + for (; col > 0; col--) { + int lf = cargo_base + col * HOR_CARGO_WIDTH + (col - 1) * HOR_CARGO_SPACE; + DrawHorConnection(lf, lf + HOR_CARGO_SPACE - dx, ypos, csp); + dx = 1; + } + DrawHorConnection(xpos, cargo_base - dx, ypos, csp); + } + if (hor_right[i] != INVALID_CARGO) { + int col = hor_right[i]; + int dx = 0; + const CargoSpec *csp = CargoSpec::Get(this->u.cargo.vertical_cargoes[col]); + for (; col < this->u.cargo.num_cargoes - 1; col++) { + int lf = cargo_base + (col + 1) * HOR_CARGO_WIDTH + col * HOR_CARGO_SPACE; + DrawHorConnection(lf + dx - 1, lf + HOR_CARGO_SPACE - 1, ypos, csp); + dx = 1; + } + DrawHorConnection(cargo_base + col * HOR_CARGO_SPACE + (col + 1) * HOR_CARGO_WIDTH - 1 + dx, xpos + CARGO_FIELD_WIDTH - 1, ypos, csp); + } + ypos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE; + } + break; + } + + case CFT_CARGO_LABEL: + ypos += VERT_CARGO_EDGE + VERT_INTER_INDUSTRY_SPACE / 2; + for (uint i = 0; i < MAX_CARGOES; i++) { + if (this->u.cargo_label.cargoes[i] != INVALID_CARGO) { + const CargoSpec *csp = CargoSpec::Get(this->u.cargo_label.cargoes[i]); + DrawString(xpos + WD_FRAMERECT_LEFT, xpos + industry_width - 1 - WD_FRAMERECT_RIGHT, ypos, csp->name, TC_WHITE, + (this->u.cargo_label.left_align) ? SA_LEFT : SA_RIGHT); + } + ypos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE; + } + break; + + default: + NOT_REACHED(); + } + } + + /** + * Decide which cargo was clicked at in a #CFT_CARGO field. + * @param left Left industry neighbour if available (else \c NULL should be supplied). + * @param right Right industry neighbour if available (else \c NULL should be supplied). + * @param pt Click position in the cargo field. + * @return Cargo clicked at, or #INVALID_CARGO if none. + */ + CargoID CargoClickedAt(const CargoesField *left, const CargoesField *right, Point pt) const + { + assert(this->type == CFT_CARGO); + + /* Vertical matching. */ + int cpos = this->GetCargoBase(0); + uint col; + for (col = 0; col < this->u.cargo.num_cargoes; col++) { + if (pt.x < cpos) break; + if (pt.x < cpos + CargoesField::HOR_CARGO_WIDTH) return this->u.cargo.vertical_cargoes[col]; + cpos += CargoesField::HOR_CARGO_WIDTH + CargoesField::HOR_CARGO_SPACE; + } + // col = 0 -> left of first col, 1 -> left of 2nd col, ... this->u.cargo.num_cargoes right of last-col + + int vpos = VERT_INTER_INDUSTRY_SPACE / 2 + VERT_CARGO_EDGE; + uint row; + for (row = 0; row < MAX_CARGOES; row++) { + if (pt.y < vpos) return INVALID_CARGO; + if (pt.y < vpos + FONT_HEIGHT_NORMAL) break; + vpos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE; + } + if (row == MAX_CARGOES) return INVALID_CARGO; + + // row = 0 -> at first horizontal row, row = 1 -> second horizontal row, 2 = 3rd horizontal row. + if (col == 0) { + if (this->u.cargo.supp_cargoes[row] != INVALID_CARGO) return this->u.cargo.vertical_cargoes[this->u.cargo.supp_cargoes[row]]; + if (left != NULL) { + if (left->type == CFT_INDUSTRY) return left->u.industry.other_produced[row]; + if (left->type == CFT_CARGO_LABEL && !left->u.cargo_label.left_align) return left->u.cargo_label.cargoes[row]; + } + return INVALID_CARGO; + } + if (col == this->u.cargo.num_cargoes) { + if (this->u.cargo.cust_cargoes[row] != INVALID_CARGO) return this->u.cargo.vertical_cargoes[this->u.cargo.cust_cargoes[row]]; + if (right != NULL) { + if (right->type == CFT_INDUSTRY) return right->u.industry.other_accepted[row]; + if (right->type == CFT_CARGO_LABEL && right->u.cargo_label.left_align) return right->u.cargo_label.cargoes[row]; + } + return INVALID_CARGO; + } + if (row >= col) { + /* Clicked somewhere in-between vertical cargo connection. + * Since the horizontal connection is made in the same order as the vertical list, the above condition + * ensures we are left-below the main diagonal, thus at the supplying side. + */ + return (this->u.cargo.supp_cargoes[row] != INVALID_CARGO) ? this->u.cargo.vertical_cargoes[this->u.cargo.supp_cargoes[row]] : INVALID_CARGO; + } else { + /* Clicked at a customer connection. */ + return (this->u.cargo.cust_cargoes[row] != INVALID_CARGO) ? this->u.cargo.vertical_cargoes[this->u.cargo.cust_cargoes[row]] : INVALID_CARGO; + } + } + + /** + * Decide what cargo the user clicked in the cargo label field. + * @param pt Click position in the cargo label field. + * @return Cargo clicked at, or #INVALID_CARGO if none. + */ + CargoID CargoLabelClickedAt(Point pt) const + { + assert(this->type == CFT_CARGO_LABEL); + + int vpos = VERT_INTER_INDUSTRY_SPACE / 2 + VERT_CARGO_EDGE; + uint row; + for (row = 0; row < MAX_CARGOES; row++) { + if (pt.y < vpos) return INVALID_CARGO; + if (pt.y < vpos + FONT_HEIGHT_NORMAL) break; + vpos += FONT_HEIGHT_NORMAL + VERT_CARGO_SPACE; + } + if (row == MAX_CARGOES) return INVALID_CARGO; + return this->u.cargo_label.cargoes[row]; + } + +private: + /** + * Draw a horizontal cargo connection. + * @param left Left-most coordinate to draw. + * @param right Right-most coordinate to draw. + * @param top Top coordinate of the cargo connection. + * @csp Cargo to draw. + */ + static void DrawHorConnection(int left, int right, int top, const CargoSpec *csp) + { + GfxDrawLine(left, top, right, top, CARGO_LINE_COLOUR); + GfxFillRect(left, top + 1, right, top + FONT_HEIGHT_NORMAL - 2, csp->legend_colour, FILLRECT_OPAQUE); + GfxDrawLine(left, top + FONT_HEIGHT_NORMAL - 1, right, top + FONT_HEIGHT_NORMAL - 1, CARGO_LINE_COLOUR); + } +}; + +assert_compile(MAX_CARGOES >= lengthof(IndustrySpec::produced_cargo)); +assert_compile(MAX_CARGOES >= lengthof(IndustrySpec::accepts_cargo)); + +int CargoesField::small_height; ///< Height of the header row. +int CargoesField::normal_height; ///< Height of the non-header rows. +int CargoesField::industry_width; ///< Width of an industry field. +const int CargoesField::VERT_INTER_INDUSTRY_SPACE = 6; ///< Amount of space between two industries in a column. + +const int CargoesField::HOR_CARGO_BORDER_SPACE = 15; ///< Amount of space between the left/right edge of a #CFT_CARGO field, and the left/right most vertical cargo. +const int CargoesField::CARGO_STUB_WIDTH = 10; ///< Width of a cargo not carried in the column (should be less than #HOR_CARGO_BORDER_SPACE). +const int CargoesField::HOR_CARGO_WIDTH = 15; ///< Width of a vertical cargo column (inclusive the border line). +const int CargoesField::HOR_CARGO_SPACE = 5; ///< Amount of horizontal space between two vertical cargoes. +const int CargoesField::VERT_CARGO_EDGE = 4; ///< Amount of vertical space between top/bottom and the top/bottom connected cargo at an industry. +const int CargoesField::VERT_CARGO_SPACE = 4; ///< Amount of vertical space between two connected cargoes at an industry. + +/** Width of a #CFT_CARGO field. */ +const int CargoesField::CARGO_FIELD_WIDTH = HOR_CARGO_BORDER_SPACE * 2 + HOR_CARGO_WIDTH * MAX_CARGOES + HOR_CARGO_SPACE * (MAX_CARGOES - 1); + +const int CargoesField::INDUSTRY_LINE_COLOUR = 191; ///< Line colour of the industry type box. +const int CargoesField::CARGO_LINE_COLOUR = 191; ///< Line colour around the cargo. + +/** A single row of #CargoesField. */ +struct CargoesRow { + CargoesField columns[5]; ///< One row of fields. + + /** + * Connect industry production cargoes to the cargo column after it. + * @param column Column of the industry. + */ + void ConnectIndustryProduced(int column) + { + CargoesField *ind_fld = this->columns + column; + CargoesField *cargo_fld = this->columns + column + 1; + assert(ind_fld->type == CFT_INDUSTRY && cargo_fld->type == CFT_CARGO); + + MemSetT(ind_fld->u.industry.other_produced, INVALID_CARGO, MAX_CARGOES); + + if (ind_fld->u.industry.ind_type < NUM_INDUSTRYTYPES) { + CargoID others[MAX_CARGOES]; // Produced cargoes not carried in the cargo column. + int other_count = 0; + + const IndustrySpec *indsp = GetIndustrySpec(ind_fld->u.industry.ind_type); + for (uint i = 0; i < lengthof(indsp->produced_cargo); i++) { + int col = cargo_fld->ConnectCargo(indsp->produced_cargo[i], true); + if (col < 0) others[other_count++] = indsp->produced_cargo[i]; + } + + /* Allocate other cargoes in the empty holes of the horizontal cargo connections. */ + for (uint i = 0; i < MAX_CARGOES && other_count > 0; i++) { + if (cargo_fld->u.cargo.supp_cargoes[i] == INVALID_CARGO) ind_fld->u.industry.other_produced[i] = others[--other_count]; + } + } else { + /* Houses only display what is demanded. */ + for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) { + CargoID cid = cargo_fld->u.cargo.vertical_cargoes[i]; + if (cid == CT_PASSENGERS || cid == CT_MAIL) cargo_fld->ConnectCargo(cid, true); + } + } + } + + /** + * Construct a #CFT_CARGO_LABEL field. + * @param column Column to create the new field. + * @param accepting Display accepted cargo (if \c false, display produced cargo). + */ + void MakeCargoLabel(int column, bool accepting) + { + CargoID cargoes[MAX_CARGOES]; + MemSetT(cargoes, INVALID_CARGO, lengthof(cargoes)); + + CargoesField *label_fld = this->columns + column; + CargoesField *cargo_fld = this->columns + (accepting ? column - 1 : column + 1); + + assert(cargo_fld->type == CFT_CARGO && label_fld->type == CFT_EMPTY); + for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) { + int col = cargo_fld->ConnectCargo(cargo_fld->u.cargo.vertical_cargoes[i], !accepting); + cargoes[col] = cargo_fld->u.cargo.vertical_cargoes[i]; + } + label_fld->MakeCargoLabel(cargoes, lengthof(cargoes), accepting); + } + + + /** + * Connect industry accepted cargoes to the cargo column before it. + * @param column Column of the industry. + */ + void ConnectIndustryAccepted(int column) + { + CargoesField *ind_fld = this->columns + column; + CargoesField *cargo_fld = this->columns + column - 1; + assert(ind_fld->type == CFT_INDUSTRY && cargo_fld->type == CFT_CARGO); + + MemSetT(ind_fld->u.industry.other_accepted, INVALID_CARGO, MAX_CARGOES); + + if (ind_fld->u.industry.ind_type < NUM_INDUSTRYTYPES) { + CargoID others[MAX_CARGOES]; // Accepted cargoes not carried in the cargo column. + int other_count = 0; + + const IndustrySpec *indsp = GetIndustrySpec(ind_fld->u.industry.ind_type); + for (uint i = 0; i < lengthof(indsp->accepts_cargo); i++) { + int col = cargo_fld->ConnectCargo(indsp->accepts_cargo[i], false); + if (col < 0) others[other_count++] = indsp->accepts_cargo[i]; + } + + /* Allocate other cargoes in the empty holes of the horizontal cargo connections. */ + for (uint i = 0; i < MAX_CARGOES && other_count > 0; i++) { + if (cargo_fld->u.cargo.cust_cargoes[i] == INVALID_CARGO) ind_fld->u.industry.other_accepted[i] = others[--other_count]; + } + } else { + /* Houses only display what is demanded. */ + for (uint i = 0; i < cargo_fld->u.cargo.num_cargoes; i++) { + for (uint h = 0; h < HOUSE_MAX; h++) { + HouseSpec *hs = HouseSpec::Get(h); + if (!hs->enabled) continue; + + for (uint j = 0; j < lengthof(hs->accepts_cargo); j++) { + if (cargo_fld->u.cargo.vertical_cargoes[i] == hs->accepts_cargo[j]) { + cargo_fld->ConnectCargo(cargo_fld->u.cargo.vertical_cargoes[i], false); + goto next_cargo; + } + } + } +next_cargo: ; + } + } + } +}; + + +/** + * Window displaying the cargo connections around an industry (or cargo). + * + * The main display is constructed from 'fields', rectangles that contain an industry, piece of the cargo connection, cargo labels, or headers. + * For a nice display, the following should be kept in mind: + * - A #CFT_HEADER is always at the top of an column of #CFT_INDUSTRY fields. + * - A #CFT_CARGO_LABEL field is also always put in a column of #CFT_INDUSTRY fields. + * - The top row contains #CFT_HEADER and #CFT_SMALL_EMPTY fields. + * - Cargo connections have a column of their own (#CFT_CARGO fields). + * - Cargo accepted or produced by an industry, but not carried in a cargo connection, is drawn in the space of a cargo column attached to the industry. + * The information however is part of the industry. + * + * This results in the following invariants: + * - Width of a #CFT_INDUSTRY column is large enough to hold all industry type labels, all cargo labels, and all header texts. + * - Height of a #CFT_INDUSTRY is large enough to hold a header line, or a industry type line, \c N cargo labels + * (where \c N is the maximum number of cargoes connected between industries), \c N connections of cargo types, and space + * between two industry types (1/2 above it, and 1/2 underneath it). + * - Width of a cargo field (#CFT_CARGO) is large enough to hold \c N vertical columns (one for each type of cargo). + * Also, space is needed between an industry and the leftmost/rightmost column to draw the non-carried cargoes. + * - Height of a #CFT_CARGO field is equally high as the height of the #CFT_INDUSTRY. + * - A field at the top (#CFT_HEADER or #CFT_SMALL_EMPTY) match the width of the fields below them (#CFT_INDUSTRY respectively + * #CFT_CARGO), the height should be sufficient to display the header text. + * + * When displaying the cargoes around an industry type, five columns are needed (supplying industries, accepted cargoes, the industry, + * produced cargoes, customer industries). Displaying the industries around a cargo needs three columns (supplying industries, the cargo, + * customer industries). The remaining two columns are set to #CFT_EMPTY, that has a width equal to the average of a cargo and an industry column. + */ +struct IndustryCargoesWindow : public Window { + static const int HOR_TEXT_PADDING, VERT_TEXT_PADDING; + + typedef SmallVector Fields; + + Fields fields; ///< Fields to display in the #ICW_PANEL. + uint ind_cargo; ///< If less than #NUM_INDUSTRYTYPES, an industry type, else a cargo id + NUM_INDUSTRYTYPES. + + IndustryCargoesWindow(int id) : Window() + { + this->OnInit(); + this->InitNested(&_industry_cargoes_desc, 0); + this->OnInvalidateData(id); + } + + virtual void OnInit() + { + /* Initialize static CargoesField size variables. */ + Dimension d = GetStringBoundingBox(STR_INDUSTRY_CARGOES_PRODUCERS); + d = maxdim(d, GetStringBoundingBox(STR_INDUSTRY_CARGOES_CUSTOMERS)); + d.width += WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT; + d.height += WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM; + CargoesField::small_height = d.height; + + /* Decide about the size of the box holding the text of an industry type. */ + d.height = 0; + for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) { + const IndustrySpec *indsp = GetIndustrySpec(it); + if (!indsp->enabled) continue; + SetDParam(0, indsp->name); + d = maxdim(d, GetStringBoundingBox(STR_JUST_STRING)); + } + /* Box must also be wide enough to hold any cargo label. */ + for (uint i = 0; i < NUM_CARGO; i++) { + const CargoSpec *csp = CargoSpec::Get(i); + if (!csp->IsValid()) continue; + d = maxdim(d, GetStringBoundingBox(csp->name)); + } + d.width += 2 * HOR_TEXT_PADDING; + /* Ensure the height is enough for the industry type text, for the horizontal connections, and for the cargo labels. */ + uint min_ind_height = CargoesField::VERT_CARGO_EDGE * 2 + MAX_CARGOES * FONT_HEIGHT_NORMAL + (MAX_CARGOES - 1) * CargoesField::VERT_CARGO_SPACE; + d.height = max(d.height + 2 * VERT_TEXT_PADDING, min_ind_height); + + CargoesField::industry_width = d.width; + CargoesField::normal_height = d.height + CargoesField::VERT_INTER_INDUSTRY_SPACE; + } + + virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) + { + if (widget != ICW_PANEL) return; + + size->width = WD_FRAMETEXT_LEFT + CargoesField::industry_width * 3 + CargoesField::CARGO_FIELD_WIDTH * 2 + WD_FRAMETEXT_RIGHT; + } + + + CargoesFieldType type; ///< Type of field. + virtual void SetStringParameters (int widget) const + { + if (widget != ICW_CAPTION) return; + + if (this->ind_cargo < NUM_INDUSTRYTYPES) { + const IndustrySpec *indsp = GetIndustrySpec(this->ind_cargo); + SetDParam(0, indsp->name); + } else { + const CargoSpec *csp = CargoSpec::Get(this->ind_cargo - NUM_INDUSTRYTYPES); + SetDParam(0, csp->name); + } + } + + /** + * Do the two sets of cargoes have a valid cargo in common? + * @param cargoes1 Base address of the first cargo array. + * @param length1 Number of cargoes in the first cargo array. + * @param cargoes2 Base address of the second cargo array. + * @param length2 Number of cargoes in the second cargo array. + * @return Arrays have at least one valid cargo in common. + */ + static bool HasCommonValidCargo(const CargoID *cargoes1, uint length1, const CargoID *cargoes2, uint length2) + { + while (length1 > 0) { + if (*cargoes1 != INVALID_CARGO) { + for (uint i = 0; i < length2; i++) if (*cargoes1 == cargoes2[i]) return true; + } + cargoes1++; + length1--; + } + return false; + } + + /** + * Can houses be used to supply one of the cargoes? + * @param cargoes Base address of the cargo array. + * @param length Number of cargoes in the array. + * @return Houses can supply at least one of the cargoes. + */ + static bool HousesCanSupply(const CargoID *cargoes, uint length) + { + for (uint i = 0; i < length; i++) { + if (cargoes[i] == INVALID_CARGO) continue; + if (cargoes[i] == CT_PASSENGERS || cargoes[i] == CT_MAIL) return true; + } + return false; + } + + /** + * Can houses be used as customers of the produced cargoes? + * @param cargoes Base address of the cargo array. + * @param length Number of cargoes in the array. + * @return Houses can accept at least one of the cargoes. + */ + static bool HousesCanAccept(const CargoID *cargoes, uint length) + { + for (uint i = 0; i < length; i++) { + if (cargoes[i] == INVALID_CARGO) continue; + + for (uint h = 0; h < HOUSE_MAX; h++) { + HouseSpec *hs = HouseSpec::Get(h); + if (!hs->enabled) continue; + + for (uint j = 0; j < lengthof(hs->accepts_cargo); j++) { + if (cargoes[i] == hs->accepts_cargo[j]) return true; + } + } + } + return false; + } + + /** + * Count how many industries have accepted cargoes in common with one of the supplied set. + * @param cargoes Cargoes to search. + * @param length Number of cargoes in #cargoes. + * @return Number of industries that have an accepted cargo in common with the supplied set. + */ + static int CountMatchingAcceptingIndustries(const CargoID *cargoes, uint length) + { + int count = 0; + for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) { + const IndustrySpec *indsp = GetIndustrySpec(it); + if (!indsp->enabled) continue; + + if (HasCommonValidCargo(cargoes, length, indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) count++; + } + return count; + } + + /** + * Count how many industries have produced cargoes in common with one of the supplied set. + * @param cargoes Cargoes to search. + * @param length Number of cargoes in #cargoes. + * @return Number of industries that have a produced cargo in common with the supplied set. + */ + static int CountMatchingProducingIndustries(const CargoID *cargoes, uint length) + { + int count = 0; + for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) { + const IndustrySpec *indsp = GetIndustrySpec(it); + if (!indsp->enabled) continue; + + if (HasCommonValidCargo(cargoes, length, indsp->produced_cargo, lengthof(indsp->produced_cargo))) count++; + } + return count; + } + + /** + * Shorten the cargo column to just the part between industries. + * @param column Column number of the cargo column. + * @param top Current top row. + * @param bottom Current bottom row. + */ + void ShortenCargoColumn(int column, int top, int bottom) + { + while (top < bottom && !this->fields[top].columns[column].HasConnection()) { + this->fields[top].columns[column].MakeEmpty(CFT_EMPTY); + top++; + } + this->fields[top].columns[column].u.cargo.top_end = true; + + while (bottom > top && !this->fields[bottom].columns[column].HasConnection()) { + this->fields[bottom].columns[column].MakeEmpty(CFT_EMPTY); + bottom--; + } + this->fields[bottom].columns[column].u.cargo.bottom_end = true; + } + + /** + * Place an industry in the fields. + * @param row Row of the new industry. + * @param col Column of the new industry. + * @param it Industry to place. + */ + void PlaceIndustry(int row, int col, IndustryType it) + { + assert(this->fields[row].columns[col].type == CFT_EMPTY); + this->fields[row].columns[col].MakeIndustry(it); + if (col == 0) { + this->fields[row].ConnectIndustryProduced(col); + } else { + this->fields[row].ConnectIndustryAccepted(col); + } + } + + /** + * Compute what and where to display for industry type \a it. + * @param it Industry type to display. + */ + void ComputeIndustryDisplay(IndustryType it) + { + this->GetWidget(ICW_CAPTION)->widget_data = STR_INDUSTRY_CARGOES_INDUSTRY_CAPTION; + this->ind_cargo = it; + + this->fields.Clear(); + CargoesRow *row = this->fields.Append(); + row->columns[0].MakeHeader(STR_INDUSTRY_CARGOES_PRODUCERS); + row->columns[1].MakeEmpty(CFT_SMALL_EMPTY); + row->columns[2].MakeEmpty(CFT_SMALL_EMPTY); + row->columns[3].MakeEmpty(CFT_SMALL_EMPTY); + row->columns[4].MakeHeader(STR_INDUSTRY_CARGOES_CUSTOMERS); + + const IndustrySpec *central_sp = GetIndustrySpec(it); + bool houses_supply = HousesCanSupply(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo)); + bool houses_accept = HousesCanAccept(central_sp->produced_cargo, lengthof(central_sp->produced_cargo)); + /* Make a field consisting of two cargo columns. */ + int num_supp = CountMatchingProducingIndustries(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo)) + houses_supply; + int num_cust = CountMatchingAcceptingIndustries(central_sp->produced_cargo, lengthof(central_sp->produced_cargo)) + houses_accept; + int num_indrows = max(3, max(num_supp, num_cust)); // One is needed for the 'it' industry, and 2 for the cargo labels. + for (int i = 0; i < num_indrows; i++) { + CargoesRow *row = this->fields.Append(); + row->columns[0].MakeEmpty(CFT_EMPTY); + row->columns[1].MakeCargo(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo)); + row->columns[2].MakeEmpty(CFT_EMPTY); + row->columns[3].MakeCargo(central_sp->produced_cargo, lengthof(central_sp->produced_cargo)); + row->columns[4].MakeEmpty(CFT_EMPTY); + } + /* Add central industry. */ + int central_row = 1 + num_indrows / 2; + this->fields[central_row].columns[2].MakeIndustry(it); + this->fields[central_row].ConnectIndustryProduced(2); + this->fields[central_row].ConnectIndustryAccepted(2); + + /* Add cargo labels. */ + this->fields[central_row - 1].MakeCargoLabel(2, true); + this->fields[central_row + 1].MakeCargoLabel(2, false); + + /* Add suppliers and customers of the 'it' industry. */ + int supp_count = 0; + int cust_count = 0; + for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) { + const IndustrySpec *indsp = GetIndustrySpec(it); + if (!indsp->enabled) continue; + + if (HasCommonValidCargo(central_sp->accepts_cargo, lengthof(central_sp->accepts_cargo), indsp->produced_cargo, lengthof(indsp->produced_cargo))) { + this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, it); + supp_count++; + } + if (HasCommonValidCargo(central_sp->produced_cargo, lengthof(central_sp->produced_cargo), indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) { + this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 4, it); + cust_count++; + } + } + if (houses_supply) { + this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, NUM_INDUSTRYTYPES); + supp_count++; + } + if (houses_accept) { + this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 4, NUM_INDUSTRYTYPES); + cust_count++; + } + + this->ShortenCargoColumn(1, 1, num_indrows); + this->ShortenCargoColumn(3, 1, num_indrows); + this->vscroll.SetCount(WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM + CargoesField::small_height + num_indrows * CargoesField::normal_height); + this->SetDirty(); + } + + /** + * Compute what and where to display for cargo id \a cid. + * @param cid Cargo id to display. + */ + void ComputeCargoDisplay(CargoID cid) + { + this->GetWidget(ICW_CAPTION)->widget_data = STR_INDUSTRY_CARGOES_CARGO_CAPTION; + this->ind_cargo = cid + NUM_INDUSTRYTYPES; + + this->fields.Clear(); + CargoesRow *row = this->fields.Append(); + row->columns[0].MakeHeader(STR_INDUSTRY_CARGOES_PRODUCERS); + row->columns[1].MakeEmpty(CFT_SMALL_EMPTY); + row->columns[2].MakeHeader(STR_INDUSTRY_CARGOES_CUSTOMERS); + row->columns[3].MakeEmpty(CFT_SMALL_EMPTY); + row->columns[4].MakeEmpty(CFT_SMALL_EMPTY); + + bool houses_supply = HousesCanSupply(&cid, 1); + bool houses_accept = HousesCanAccept(&cid, 1); + int num_supp = CountMatchingProducingIndustries(&cid, 1) + houses_supply + 1; // Ensure room for the cargo label. + int num_cust = CountMatchingAcceptingIndustries(&cid, 1) + houses_accept; + int num_indrows = max(num_supp, num_cust); + for (int i = 0; i < num_indrows; i++) { + CargoesRow *row = this->fields.Append(); + row->columns[0].MakeEmpty(CFT_EMPTY); + row->columns[1].MakeCargo(&cid, 1); + row->columns[2].MakeEmpty(CFT_EMPTY); + row->columns[3].MakeEmpty(CFT_EMPTY); + row->columns[4].MakeEmpty(CFT_EMPTY); + } + + this->fields[num_indrows].MakeCargoLabel(0, false); // Add cargo labels at the left bottom. + + /* Add suppliers and customers of the cargo. */ + int supp_count = 0; + int cust_count = 0; + for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) { + const IndustrySpec *indsp = GetIndustrySpec(it); + if (!indsp->enabled) continue; + + if (HasCommonValidCargo(&cid, 1, indsp->produced_cargo, lengthof(indsp->produced_cargo))) { + this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, it); + supp_count++; + } + if (HasCommonValidCargo(&cid, 1, indsp->accepts_cargo, lengthof(indsp->accepts_cargo))) { + this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 2, it); + cust_count++; + } + } + if (houses_supply) { + this->PlaceIndustry(1 + supp_count * num_indrows / num_supp, 0, NUM_INDUSTRYTYPES); + supp_count++; + } + if (houses_accept) { + this->PlaceIndustry(1 + cust_count * num_indrows / num_cust, 2, NUM_INDUSTRYTYPES); + cust_count++; + } + + this->ShortenCargoColumn(1, 1, num_indrows); + this->vscroll.SetCount(WD_FRAMETEXT_TOP + WD_FRAMETEXT_BOTTOM + CargoesField::small_height + num_indrows * CargoesField::normal_height); + this->SetDirty(); + } + + /** + * Notify the window to display another industry type. + * @param data The new industry type to display. + */ + virtual void OnInvalidateData(int data) + { + assert(data >= 0 && data < NUM_INDUSTRYTYPES); + this->ComputeIndustryDisplay(data); + } + + virtual void DrawWidget(const Rect &r, int widget) const + { + if (widget != ICW_PANEL) return; + + DrawPixelInfo tmp_dpi, *old_dpi; + int width = r.right - r.left + 1; + int height = r.bottom - r.top + 1 - WD_FRAMERECT_TOP - WD_FRAMERECT_BOTTOM; + if (!FillDrawPixelInfo(&tmp_dpi, r.left + WD_FRAMERECT_LEFT, r.top + WD_FRAMERECT_TOP, width, height)) return; + old_dpi = _cur_dpi; + _cur_dpi = &tmp_dpi; + + int left_pos = WD_FRAMERECT_LEFT; + if (this->ind_cargo >= NUM_INDUSTRYTYPES) left_pos += (CargoesField::industry_width + CargoesField::CARGO_FIELD_WIDTH) / 2; + int last_column = (this->ind_cargo < NUM_INDUSTRYTYPES) ? 4 : 2; + + int vpos = -this->vscroll.GetPosition(); + for (uint i = 0; i < this->fields.Length(); i++) { + int row_height = (i == 0) ? CargoesField::small_height : CargoesField::normal_height; + if (vpos + row_height >= 0) { + int xpos = left_pos; + int col, dir; + if (_dynlang.text_dir == TD_RTL) { + col = last_column; + dir = -1; + } else { + col = 0; + dir = 1; + } + while (col >= 0 && col <= last_column) { + this->fields[i].columns[col].Draw(xpos, vpos); + xpos += (col & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width; + col += dir; + } + } + vpos += row_height; + if (vpos >= height) break; + } + + _cur_dpi = old_dpi; + } + + /** + * Calculate in which field was clicked, and within the field, at what position. + * @param pt Clicked position in the #ICW_PANEL widget. + * @param fieldxy If \c true is returned, field x/y coordinate of \a pt. + * @param xy If \c true is returned, x/y coordinate with in the field. + * @return Clicked at a valid position. + */ + bool CalculatePositionInWidget(Point pt, Point *fieldxy, Point *xy) + { + NWidgetBase *nw = this->GetWidget(ICW_PANEL); + pt.x -= nw->pos_x; + pt.y -= nw->pos_y; + + int vpos = WD_FRAMERECT_TOP + CargoesField::small_height - this->vscroll.GetPosition(); + if (pt.y < vpos) return false; + + int row = (pt.y - vpos) / CargoesField::normal_height; // row is relative to row 1. + if (row + 1 >= (int)this->fields.Length()) return false; + vpos = pt.y - vpos - row * CargoesField::normal_height; // Position in the row + 1 field + row++; // rebase row to match index of this->fields. + + int xpos = 2 * WD_FRAMERECT_LEFT + ((this->ind_cargo < NUM_INDUSTRYTYPES) ? 0 : (CargoesField::industry_width + CargoesField::CARGO_FIELD_WIDTH) / 2); + if (pt.x < xpos) return false; + int column; + for (column = 0; column <= 5; column++) { + int width = (column & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width; + if (pt.x < xpos + width) break; + xpos += width; + } + int num_columns = (this->ind_cargo < NUM_INDUSTRYTYPES) ? 4 : 2; + if (column > num_columns) return false; + xpos = pt.x - xpos; + + /* Return both positions, compensating for RTL languages (which works due to the equal symmetry in both displays). */ + fieldxy->y = row; + xy->y = vpos; + if (_dynlang.text_dir == TD_RTL) { + fieldxy->x = num_columns - column; + xy->x = ((column & 1) ? CargoesField::CARGO_FIELD_WIDTH : CargoesField::industry_width) - xpos; + } else { + fieldxy->x = column; + xy->x = xpos; + } + return true; + } + + virtual void OnClick(Point pt, int widget, int click_count) + { + if (widget != ICW_PANEL) return; + + Point fieldxy, xy; + if (!CalculatePositionInWidget(pt, &fieldxy, &xy)) return; + + const CargoesField *fld = this->fields[fieldxy.y].columns + fieldxy.x; + switch (fld->type) { + case CFT_INDUSTRY: + if (fld->u.industry.ind_type < NUM_INDUSTRYTYPES) this->ComputeIndustryDisplay(fld->u.industry.ind_type); + break; + + case CFT_CARGO: { + CargoesField *lft = (fieldxy.x > 0) ? this->fields[fieldxy.y].columns + fieldxy.x - 1 : NULL; + CargoesField *rgt = (fieldxy.x < 4) ? this->fields[fieldxy.y].columns + fieldxy.x + 1 : NULL; + CargoID cid = fld->CargoClickedAt(lft, rgt, xy); + if (cid != INVALID_CARGO) this->ComputeCargoDisplay(cid); + break; + } + + case CFT_CARGO_LABEL: { + CargoID cid = fld->CargoLabelClickedAt(xy); + if (cid != INVALID_CARGO) this->ComputeCargoDisplay(cid); + break; + } + + default: + break; + } + } + + virtual void OnHover(Point pt, int widget) + { + if (widget != ICW_PANEL) return; + + Point fieldxy, xy; + if (!CalculatePositionInWidget(pt, &fieldxy, &xy)) return; + + const CargoesField *fld = this->fields[fieldxy.y].columns + fieldxy.x; + CargoID cid = INVALID_CARGO; + switch (fld->type) { + case CFT_CARGO: { + CargoesField *lft = (fieldxy.x > 0) ? this->fields[fieldxy.y].columns + fieldxy.x - 1 : NULL; + CargoesField *rgt = (fieldxy.x < 4) ? this->fields[fieldxy.y].columns + fieldxy.x + 1 : NULL; + cid = fld->CargoClickedAt(lft, rgt, xy); + break; + } + + case CFT_CARGO_LABEL: { + cid = fld->CargoLabelClickedAt(xy); + break; + } + + case CFT_INDUSTRY: + if (fld->u.industry.ind_type < NUM_INDUSTRYTYPES && (this->ind_cargo >= NUM_INDUSTRYTYPES || fieldxy.x != 2)) { + GuiShowTooltips(STR_INDUSTRY_CARGOES_INDUSTRY_TOOLTIP, 0, NULL, TCC_HOVER); + } + return; + + default: + break; + } + if (cid != INVALID_CARGO && (this->ind_cargo < NUM_INDUSTRYTYPES || cid != this->ind_cargo - NUM_INDUSTRYTYPES)) { + const CargoSpec *csp = CargoSpec::Get(cid); + uint64 params[5]; + params[0] = csp->name; + GuiShowTooltips(STR_INDUSTRY_CARGOES_CARGO_TOOLTIP, 1, params, TCC_HOVER); + } + } + + virtual void OnPaint() + { + this->DrawWidgets(); + } + + virtual void OnResize() + { + this->vscroll.SetCapacityFromWidget(this, ICW_PANEL); + } +}; + +const int IndustryCargoesWindow::HOR_TEXT_PADDING = 5; ///< Horizontal padding around the industry type text. +const int IndustryCargoesWindow::VERT_TEXT_PADDING = 5; ///< Vertical padding around the industry type text. + +/** + * Open the industry and cargoes window. + * @param id Industry type to display. + */ +void ShowIndustryCargoesWindow(IndustryType id) +{ + assert(id < NUM_INDUSTRYTYPES); + + Window *w = BringWindowToFrontById(WC_INDUSTRY_CARGOES, 0); + if (w != NULL) { + w->InvalidateData(id); + return; + } + new IndustryCargoesWindow(id); +}