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137 lines
4.5 KiB
C++
137 lines
4.5 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#pragma once
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#include "IGUIElement.h"
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#include "SColor.h"
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namespace irr
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{
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namespace gui
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{
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class IGUISpriteBank;
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class IGUIScrollBar;
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//! Enumeration for listbox colors
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enum EGUI_LISTBOX_COLOR
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{
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//! Color of text
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EGUI_LBC_TEXT = 0,
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//! Color of selected text
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EGUI_LBC_TEXT_HIGHLIGHT,
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//! Color of icon
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EGUI_LBC_ICON,
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//! Color of selected icon
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EGUI_LBC_ICON_HIGHLIGHT,
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//! Not used, just counts the number of available colors
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EGUI_LBC_COUNT
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};
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//! Default list box GUI element.
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/** \par This element can create the following events of type EGUI_EVENT_TYPE:
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\li EGET_LISTBOX_CHANGED
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\li EGET_LISTBOX_SELECTED_AGAIN
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*/
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class IGUIListBox : public IGUIElement
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{
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public:
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//! constructor
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IGUIListBox(IGUIEnvironment *environment, IGUIElement *parent, s32 id, core::rect<s32> rectangle) :
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IGUIElement(EGUIET_LIST_BOX, environment, parent, id, rectangle) {}
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//! returns amount of list items
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virtual u32 getItemCount() const = 0;
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//! returns string of a list item. the may id be a value from 0 to itemCount-1
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virtual const wchar_t *getListItem(u32 id) const = 0;
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//! adds an list item, returns id of item
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virtual u32 addItem(const wchar_t *text) = 0;
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//! adds an list item with an icon
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/** \param text Text of list entry
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\param icon Sprite index of the Icon within the current sprite bank. Set it to -1 if you want no icon
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\return The id of the new created item */
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virtual u32 addItem(const wchar_t *text, s32 icon) = 0;
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//! Removes an item from the list
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virtual void removeItem(u32 index) = 0;
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//! get the the id of the item at the given absolute coordinates
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/** \return The id of the list item or -1 when no item is at those coordinates*/
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virtual s32 getItemAt(s32 xpos, s32 ypos) const = 0;
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//! Returns the icon of an item
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virtual s32 getIcon(u32 index) const = 0;
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//! Sets the sprite bank which should be used to draw list icons.
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/** This font is set to the sprite bank of the built-in-font by
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default. A sprite can be displayed in front of every list item.
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An icon is an index within the icon sprite bank. Several
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default icons are available in the skin through getIcon. */
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virtual void setSpriteBank(IGUISpriteBank *bank) = 0;
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//! clears the list, deletes all items in the listbox
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virtual void clear() = 0;
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//! returns id of selected item. returns -1 if no item is selected.
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virtual s32 getSelected() const = 0;
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//! sets the selected item. Set this to -1 if no item should be selected
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virtual void setSelected(s32 index) = 0;
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//! sets the selected item. Set this to 0 if no item should be selected
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virtual void setSelected(const wchar_t *item) = 0;
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//! set whether the listbox should scroll to newly selected items
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virtual void setAutoScrollEnabled(bool scroll) = 0;
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//! returns true if automatic scrolling is enabled, false if not.
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virtual bool isAutoScrollEnabled() const = 0;
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//! set all item colors at given index to color
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virtual void setItemOverrideColor(u32 index, video::SColor color) = 0;
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//! set all item colors of specified type at given index to color
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virtual void setItemOverrideColor(u32 index, EGUI_LISTBOX_COLOR colorType, video::SColor color) = 0;
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//! clear all item colors at index
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virtual void clearItemOverrideColor(u32 index) = 0;
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//! clear item color at index for given colortype
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virtual void clearItemOverrideColor(u32 index, EGUI_LISTBOX_COLOR colorType) = 0;
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//! has the item at index its color overwritten?
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virtual bool hasItemOverrideColor(u32 index, EGUI_LISTBOX_COLOR colorType) const = 0;
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//! return the overwrite color at given item index.
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virtual video::SColor getItemOverrideColor(u32 index, EGUI_LISTBOX_COLOR colorType) const = 0;
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//! return the default color which is used for the given colorType
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virtual video::SColor getItemDefaultColor(EGUI_LISTBOX_COLOR colorType) const = 0;
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//! set the item at the given index
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virtual void setItem(u32 index, const wchar_t *text, s32 icon) = 0;
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//! Insert the item at the given index
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/** \return The index on success or -1 on failure. */
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virtual s32 insertItem(u32 index, const wchar_t *text, s32 icon) = 0;
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//! Swap the items at the given indices
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virtual void swapItems(u32 index1, u32 index2) = 0;
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//! set global itemHeight
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virtual void setItemHeight(s32 height) = 0;
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//! Sets whether to draw the background
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virtual void setDrawBackground(bool draw) = 0;
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//! Access the vertical scrollbar
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virtual IGUIScrollBar *getVerticalScrollBar() const = 0;
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};
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} // end namespace gui
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} // end namespace irr
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