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irr/src/CGUIEnvironment.h
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226
irr/src/CGUIEnvironment.h
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// 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 "IGUIEnvironment.h"
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#include "IGUIElement.h"
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#include "irrArray.h"
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#include "IFileSystem.h"
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#include "IOSOperator.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 CGUIEnvironment : public IGUIEnvironment, public IGUIElement
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{
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public:
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//! constructor
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CGUIEnvironment(io::IFileSystem *fs, video::IVideoDriver *driver, IOSOperator *op);
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//! destructor
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virtual ~CGUIEnvironment();
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//! draws all gui elements
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void drawAll(bool useScreenSize) override;
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//! returns the current video driver
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video::IVideoDriver *getVideoDriver() const override;
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//! returns pointer to the filesystem
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io::IFileSystem *getFileSystem() const override;
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//! returns a pointer to the OS operator
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IOSOperator *getOSOperator() const override;
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//! posts an input event to the environment
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bool postEventFromUser(const SEvent &event) override;
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//! This sets a new event receiver for gui events. Usually you do not have to
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//! use this method, it is used by the internal engine.
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void setUserEventReceiver(IEventReceiver *evr) override;
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//! removes all elements from the environment
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void clear() override;
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//! called if an event happened.
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bool OnEvent(const SEvent &event) override;
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//! returns the current gui skin
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IGUISkin *getSkin() const override;
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//! Sets a new GUI Skin
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void setSkin(IGUISkin *skin) override;
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//! Creates a new GUI Skin based on a template.
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/** \return Returns a pointer to the created skin.
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If you no longer need the skin, you should call IGUISkin::drop().
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See IReferenceCounted::drop() for more information. */
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IGUISkin *createSkin(EGUI_SKIN_TYPE type) override;
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//! Creates the image list from the given texture.
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virtual IGUIImageList *createImageList(video::ITexture *texture,
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core::dimension2d<s32> imageSize, bool useAlphaChannel) override;
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//! returns the font
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IGUIFont *getFont(const io::path &filename) override;
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//! add an externally loaded font
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IGUIFont *addFont(const io::path &name, IGUIFont *font) override;
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//! remove loaded font
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void removeFont(IGUIFont *font) override;
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//! returns default font
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IGUIFont *getBuiltInFont() const override;
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//! returns the sprite bank
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IGUISpriteBank *getSpriteBank(const io::path &filename) override;
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//! returns the sprite bank
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IGUISpriteBank *addEmptySpriteBank(const io::path &name) override;
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//! adds an button. The returned pointer must not be dropped.
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IGUIButton *addButton(const core::rect<s32> &rectangle, IGUIElement *parent = 0, s32 id = -1, const wchar_t *text = 0, const wchar_t *tooltiptext = 0) override;
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//! adds a scrollbar. The returned pointer must not be dropped.
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virtual IGUIScrollBar *addScrollBar(bool horizontal, const core::rect<s32> &rectangle,
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IGUIElement *parent = 0, s32 id = -1) override;
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//! Adds an image element.
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virtual IGUIImage *addImage(video::ITexture *image, core::position2d<s32> pos,
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bool useAlphaChannel = true, IGUIElement *parent = 0, s32 id = -1, const wchar_t *text = 0) override;
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//! adds an image. The returned pointer must not be dropped.
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virtual IGUIImage *addImage(const core::rect<s32> &rectangle,
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IGUIElement *parent = 0, s32 id = -1, const wchar_t *text = 0, bool useAlphaChannel = true) override;
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//! adds a checkbox
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virtual IGUICheckBox *addCheckBox(bool checked, const core::rect<s32> &rectangle,
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IGUIElement *parent = 0, s32 id = -1, const wchar_t *text = 0) override;
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//! adds a list box
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virtual IGUIListBox *addListBox(const core::rect<s32> &rectangle,
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IGUIElement *parent = 0, s32 id = -1, bool drawBackground = false) override;
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//! Adds a file open dialog.
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virtual IGUIFileOpenDialog *addFileOpenDialog(const wchar_t *title = 0,
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bool modal = true, IGUIElement *parent = 0, s32 id = -1,
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bool restoreCWD = false, io::path::char_type *startDir = 0) override;
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//! adds a static text. The returned pointer must not be dropped.
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virtual IGUIStaticText *addStaticText(const wchar_t *text, const core::rect<s32> &rectangle,
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bool border = false, bool wordWrap = true, IGUIElement *parent = 0, s32 id = -1, bool drawBackground = false) override;
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//! Adds an edit box. The returned pointer must not be dropped.
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virtual IGUIEditBox *addEditBox(const wchar_t *text, const core::rect<s32> &rectangle,
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bool border = false, IGUIElement *parent = 0, s32 id = -1) override;
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//! Adds a tab control to the environment.
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virtual IGUITabControl *addTabControl(const core::rect<s32> &rectangle,
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IGUIElement *parent = 0, bool fillbackground = false, bool border = true, s32 id = -1) override;
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//! Adds tab to the environment.
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virtual IGUITab *addTab(const core::rect<s32> &rectangle,
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IGUIElement *parent = 0, s32 id = -1) override;
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//! Adds a combo box to the environment.
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virtual IGUIComboBox *addComboBox(const core::rect<s32> &rectangle,
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IGUIElement *parent = 0, s32 id = -1) override;
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//! sets the focus to an element
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bool setFocus(IGUIElement *element) override;
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//! removes the focus from an element
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bool removeFocus(IGUIElement *element) override;
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//! Returns if the element has focus
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bool hasFocus(const IGUIElement *element, bool checkSubElements = false) const override;
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//! Returns the element with the focus
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IGUIElement *getFocus() const override;
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//! Returns the element last known to be under the mouse
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IGUIElement *getHovered() const override;
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//! Returns the root gui element.
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IGUIElement *getRootGUIElement() override;
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void OnPostRender(u32 time) override;
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//! Find the next element which would be selected when pressing the tab-key
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IGUIElement *getNextElement(bool reverse = false, bool group = false) override;
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//! Set the way the gui will handle focus changes
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void setFocusBehavior(u32 flags) override;
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//! Get the way the gui does handle focus changes
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u32 getFocusBehavior() const override;
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//! Adds a IGUIElement to deletion queue.
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void addToDeletionQueue(IGUIElement *element) override;
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private:
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//! clears the deletion queue
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void clearDeletionQueue();
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void updateHoveredElement(core::position2d<s32> mousePos);
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void loadBuiltInFont();
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struct SFont
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{
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io::SNamedPath NamedPath;
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IGUIFont *Font;
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bool operator<(const SFont &other) const
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{
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return (NamedPath < other.NamedPath);
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}
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};
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struct SSpriteBank
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{
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io::SNamedPath NamedPath;
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IGUISpriteBank *Bank;
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bool operator<(const SSpriteBank &other) const
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{
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return (NamedPath < other.NamedPath);
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}
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};
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struct SToolTip
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{
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IGUIStaticText *Element;
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u32 LastTime;
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u32 EnterTime;
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u32 LaunchTime;
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u32 RelaunchTime;
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};
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SToolTip ToolTip;
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core::array<SFont> Fonts;
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core::array<SSpriteBank> Banks;
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video::IVideoDriver *Driver;
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IGUIElement *Hovered;
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IGUIElement *HoveredNoSubelement; // subelements replaced by their parent, so you only have 'real' elements here
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IGUIElement *Focus;
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core::position2d<s32> LastHoveredMousePos;
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IGUISkin *CurrentSkin;
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io::IFileSystem *FileSystem;
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IEventReceiver *UserReceiver;
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IOSOperator *Operator;
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u32 FocusFlags;
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core::array<IGUIElement *> DeletionQueue;
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static const io::path DefaultFontName;
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};
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} // end namespace gui
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} // end namespace irr
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