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@@ -2404,3 +2404,58 @@ NWidgetContainer *MakeWindowNWidgetTree(
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*biggest_index = max(*biggest_index, biggest2);
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return root;
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}
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/**
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* Make a number of rows with button-like graphics, for enabling/disabling each company.
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* @param biggest_index Storage for collecting the biggest index used in the returned tree.
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* @param widget_first The first widget index to use.
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* @param widget_last The last widget index to use.
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* @param max_length Maximal number of company buttons in one row.
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* @param button_tooltip The tooltip-string of every button.
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* @return Panel with rows of company buttons.
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* @post \c *biggest_index contains the largest used index in the tree.
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*/
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NWidgetBase *MakeCompanyButtonRows(int *biggest_index, int widget_first, int widget_last, int max_length, StringID button_tooltip)
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{
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NWidgetVertical *vert = NULL; // Storage for all rows.
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NWidgetHorizontal *hor = NULL; // Storage for buttons in one row.
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int hor_length = 0;
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Dimension sprite_size = GetSpriteSize(SPR_COMPANY_ICON);
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sprite_size.width += WD_MATRIX_LEFT + WD_MATRIX_RIGHT;
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sprite_size.height += WD_MATRIX_TOP + WD_MATRIX_BOTTOM + 1; // 1 for the 'offset' of being pressed
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for (int widnum = widget_first; widnum <= widget_last; widnum++) {
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/* Ensure there is room in 'hor' for another button. */
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if (hor_length == max_length) {
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if (vert == NULL) vert = new NWidgetVertical();
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vert->Add(hor);
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hor = NULL;
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hor_length = 0;
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}
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if (hor == NULL) {
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hor = new NWidgetHorizontal();
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hor_length = 0;
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}
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NWidgetBackground *panel = new NWidgetBackground(WWT_PANEL, COLOUR_GREY, widnum);
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panel->SetMinimalSize(sprite_size.width, sprite_size.height);
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panel->SetFill(1, 0);
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panel->SetResize(1, 0);
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panel->SetDataTip(0x0, button_tooltip);
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hor->Add(panel);
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hor_length++;
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}
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*biggest_index = widget_last;
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if (vert == NULL) return hor; // All buttons fit in a single row.
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if (hor_length > 0 && hor_length < max_length) {
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/* Last row is partial, add a spacer at the end to force all buttons to the left. */
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NWidgetSpacer *spc = new NWidgetSpacer(sprite_size.width, sprite_size.height);
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spc->SetFill(1, 0);
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spc->SetResize(1, 0);
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hor->Add(spc);
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}
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if (hor != NULL) vert->Add(hor);
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return vert;
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}
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