mirror of https://github.com/OpenTTD/OpenTTD.git
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
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/* $Id$ */
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#ifndef WIDGETS_DROPDOWN_TYPE_H
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#define WIDGETS_DROPDOWN_TYPE_H
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#include "../window_type.h"
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#include <list>
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/**
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* Base list item class from which others are derived. If placed in a list it
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* will appear as a horizontal line in the menu.
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*/
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class DropDownListItem {
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public:
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int result; ///< Result code to return to window on selection
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bool masked; ///< Masked and unselectable item
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virtual StringID String() const;
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};
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/**
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* Common string list item.
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*/
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class DropDownListStringItem : public DropDownListItem {
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public:
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StringID string; ///< String ID of item
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DropDownListStringItem(StringID string, uint result, bool masked)
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{
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this->string = string;
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this->result = result;
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this->masked = masked;
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}
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StringID String() const;
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};
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/**
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* String list item with parameters.
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*/
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class DropDownListParamStringItem : public DropDownListStringItem {
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public:
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uint64 decode_params[10]; ///< Parameters of the string
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StringID String() const;
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void SetParam(uint index, uint64 value) { decode_params[index] = value; }
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};
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/**
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* A drop down list is a collection of drop down list items.
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*/
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typedef std::list<DropDownListItem *> DropDownList;
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/**
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* Show a drop down list.
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* @param w Parent window for the list.
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* @param list Prepopulated DropDownList. Will be deleted when the list is
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* closed.
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* @param selected The initially selected list item.
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* @param button The widget within the parent window that is used to determine
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* the list's location.
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*/
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void ShowDropDownList(Window *w, DropDownList *list, int selected, int button);
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#endif /* WIDGETS_DROPDOWN_TYPE_H */
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