621 lines
28 KiB
C
621 lines
28 KiB
C
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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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#ifndef __I_GUI_ENVIRONMENT_H_INCLUDED__
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#define __I_GUI_ENVIRONMENT_H_INCLUDED__
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#include "IReferenceCounted.h"
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#include "IGUISkin.h"
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#include "rect.h"
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#include "EMessageBoxFlags.h"
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#include "IEventReceiver.h"
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#include "IXMLReader.h"
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#include "path.h"
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namespace irr
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{
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class IOSOperator;
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class IEventReceiver;
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namespace io
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{
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class IXMLWriter;
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class IReadFile;
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class IWriteFile;
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class IFileSystem;
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} // end namespace io
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namespace video
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{
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class IVideoDriver;
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class ITexture;
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} // end namespace video
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namespace gui
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{
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class IGUIElement;
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class IGUIFont;
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class IGUISpriteBank;
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class IGUIScrollBar;
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class IGUIImage;
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class IGUIMeshViewer;
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class IGUICheckBox;
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class IGUIListBox;
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class IGUITreeView;
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class IGUIImageList;
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class IGUIFileOpenDialog;
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class IGUIColorSelectDialog;
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class IGUIInOutFader;
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class IGUIStaticText;
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class IGUIEditBox;
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class IGUISpinBox;
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class IGUITabControl;
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class IGUITab;
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class IGUITable;
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class IGUIContextMenu;
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class IGUIComboBox;
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class IGUIToolBar;
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class IGUIButton;
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class IGUIWindow;
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class IGUIElementFactory;
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//! GUI Environment. Used as factory and manager of all other GUI elements.
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/** \par This element can create the following events of type EGUI_EVENT_TYPE (which are passed on to focused sub-elements):
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\li EGET_ELEMENT_FOCUS_LOST
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\li EGET_ELEMENT_FOCUSED
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\li EGET_ELEMENT_LEFT
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\li EGET_ELEMENT_HOVERED
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*/
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class IGUIEnvironment : public virtual IReferenceCounted
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{
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public:
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//! Draws all gui elements by traversing the GUI environment starting at the root node.
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virtual void drawAll() = 0;
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//! Sets the focus to an element.
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/** Causes a EGET_ELEMENT_FOCUS_LOST event followed by a
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EGET_ELEMENT_FOCUSED event. If someone absorbed either of the events,
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then the focus will not be changed.
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\param element Pointer to the element which shall get the focus.
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\return True on success, false on failure */
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virtual bool setFocus(IGUIElement* element) = 0;
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//! Returns the element which holds the focus.
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/** \return Pointer to the element with focus. */
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virtual IGUIElement* getFocus() const = 0;
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//! Returns the element which was last under the mouse cursor
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/** NOTE: This information is updated _after_ the user-eventreceiver
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received it's mouse-events. To find the hovered element while catching
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mouse events you have to use instead:
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IGUIEnvironment::getRootGUIElement()->getElementFromPoint(mousePos);
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\return Pointer to the element under the mouse. */
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virtual IGUIElement* getHovered() const = 0;
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//! Removes the focus from an element.
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/** Causes a EGET_ELEMENT_FOCUS_LOST event. If the event is absorbed
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then the focus will not be changed.
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\param element Pointer to the element which shall lose the focus.
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\return True on success, false on failure */
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virtual bool removeFocus(IGUIElement* element) = 0;
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//! Returns whether the element has focus
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/** \param element Pointer to the element which is tested.
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\return True if the element has focus, else false. */
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virtual bool hasFocus(IGUIElement* element) const = 0;
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//! Returns the current video driver.
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/** \return Pointer to the video driver. */
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virtual video::IVideoDriver* getVideoDriver() const = 0;
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//! Returns the file system.
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/** \return Pointer to the file system. */
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virtual io::IFileSystem* getFileSystem() const = 0;
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//! returns a pointer to the OS operator
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/** \return Pointer to the OS operator. */
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virtual IOSOperator* getOSOperator() const = 0;
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//! Removes all elements from the environment.
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virtual void clear() = 0;
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//! Posts an input event to the environment.
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/** Usually you do not have to
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use this method, it is used by the engine internally.
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\param event The event to post.
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\return True if succeeded, else false. */
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virtual bool postEventFromUser(const SEvent& event) = 0;
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//! This sets a new event receiver for gui events.
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/** Usually you do not have to
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use this method, it is used by the engine internally.
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\param evr Pointer to the new receiver. */
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virtual void setUserEventReceiver(IEventReceiver* evr) = 0;
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//! Returns pointer to the current gui skin.
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/** \return Pointer to the GUI skin. */
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virtual IGUISkin* getSkin() const = 0;
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//! Sets a new GUI Skin
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/** You can use this to change the appearance of the whole GUI
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Environment. You can set one of the built-in skins or implement your
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own class derived from IGUISkin and enable it using this method.
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To set for example the built-in Windows classic skin, use the following
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code:
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\code
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gui::IGUISkin* newskin = environment->createSkin(gui::EGST_WINDOWS_CLASSIC);
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environment->setSkin(newskin);
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newskin->drop();
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\endcode
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\param skin New skin to use.
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*/
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virtual void setSkin(IGUISkin* skin) = 0;
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//! Creates a new GUI Skin based on a template.
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/** Use setSkin() to set the created skin.
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\param type The type of the new skin.
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\return Pointer to the created skin.
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If you no longer need it, you should call IGUISkin::drop().
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See IReferenceCounted::drop() for more information. */
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virtual IGUISkin* createSkin(EGUI_SKIN_TYPE type) = 0;
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//! Creates the image list from the given texture.
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/** \param texture Texture to split into images
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\param imageSize Dimension of each image
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\param useAlphaChannel Flag whether alpha channel of the texture should be honored.
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\return Pointer to the font. Returns 0 if the font could not be loaded.
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This pointer should not be dropped. See IReferenceCounted::drop() for
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more information. */
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virtual IGUIImageList* createImageList( video::ITexture* texture,
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core::dimension2d<s32> imageSize,
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bool useAlphaChannel ) = 0;
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//! Returns pointer to the font with the specified filename.
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/** Loads the font if it was not loaded before.
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\param filename Filename of the Font.
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\return Pointer to the font. Returns 0 if the font could not be loaded.
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This pointer should not be dropped. See IReferenceCounted::drop() for
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more information. */
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virtual IGUIFont* getFont(const io::path& filename) = 0;
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//! Adds an externally loaded font to the font list.
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/** This method allows to attach an already loaded font to the list of
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existing fonts. The font is grabbed if non-null and adding was successful.
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\param name Name the font should be stored as.
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\param font Pointer to font to add.
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\return Pointer to the font stored. This can differ from given parameter if the name previously existed. */
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virtual IGUIFont* addFont(const io::path& name, IGUIFont* font) = 0;
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//! remove loaded font
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virtual void removeFont(IGUIFont* font) = 0;
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//! Returns the default built-in font.
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/** \return Pointer to the default built-in font.
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This pointer should not be dropped. See IReferenceCounted::drop() for
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more information. */
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virtual IGUIFont* getBuiltInFont() const = 0;
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//! Returns pointer to the sprite bank with the specified file name.
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/** Loads the bank if it was not loaded before.
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\param filename Filename of the sprite bank's origin.
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\return Pointer to the sprite bank. Returns 0 if it could not be loaded.
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This pointer should not be dropped. See IReferenceCounted::drop() for more information. */
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virtual IGUISpriteBank* getSpriteBank(const io::path& filename) = 0;
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//! Adds an empty sprite bank to the manager
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/** \param name Name of the new sprite bank.
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\return Pointer to the sprite bank.
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This pointer should not be dropped. See IReferenceCounted::drop() for more information. */
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virtual IGUISpriteBank* addEmptySpriteBank(const io::path& name) = 0;
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//! Returns the root gui element.
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/** This is the first gui element, the (direct or indirect) parent of all
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other gui elements. It is a valid IGUIElement, with dimensions the same
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size as the screen.
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\return Pointer to the root element of the GUI. The returned pointer
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should not be dropped. See IReferenceCounted::drop() for more
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information. */
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virtual IGUIElement* getRootGUIElement() = 0;
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//! Adds a button element.
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/** \param rectangle Rectangle specifying the borders of the button.
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\param parent Parent gui element of the button.
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\param id Id with which the gui element can be identified.
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\param text Text displayed on the button.
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\param tooltiptext Text displayed in the tooltip.
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\return Pointer to the created button. Returns 0 if an error occurred.
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This pointer should not be dropped. See IReferenceCounted::drop() for
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more information. */
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virtual IGUIButton* addButton(const core::rect<s32>& rectangle,
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IGUIElement* parent=0, s32 id=-1, const wchar_t* text=0, const wchar_t* tooltiptext = 0) = 0;
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//! Adds an empty window element.
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/** \param rectangle Rectangle specifying the borders of the window.
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\param modal Defines if the dialog is modal. This means, that all other
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gui elements which were created before the window cannot be used until
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it is removed.
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\param text Text displayed as the window title.
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\param parent Parent gui element of the window.
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\param id Id with which the gui element can be identified.
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\return Pointer to the created window. Returns 0 if an error occurred.
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This pointer should not be dropped. See IReferenceCounted::drop() for
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more information. */
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virtual IGUIWindow* addWindow(const core::rect<s32>& rectangle, bool modal = false,
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const wchar_t* text=0, IGUIElement* parent=0, s32 id=-1) = 0;
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//! Adds a modal screen.
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/** This control stops its parent's members from being able to receive
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input until its last child is removed, it then deletes itself.
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\param parent Parent gui element of the modal.
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\return Pointer to the created modal. Returns 0 if an error occurred.
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This pointer should not be dropped. See IReferenceCounted::drop() for
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more information. */
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virtual IGUIElement* addModalScreen(IGUIElement* parent) = 0;
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//! Adds a message box.
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/** \param caption Text to be displayed the title of the message box.
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\param text Text to be displayed in the body of the message box.
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\param modal Defines if the dialog is modal. This means, that all other
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gui elements which were created before the message box cannot be used
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until this messagebox is removed.
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\param flags Flags specifying the layout of the message box. For example
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to create a message box with an OK and a CANCEL button on it, set this
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to (EMBF_OK | EMBF_CANCEL).
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\param parent Parent gui element of the message box.
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\param id Id with which the gui element can be identified.
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\param image Optional texture which will be displayed beside the text as an image
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\return Pointer to the created message box. Returns 0 if an error
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occurred. This pointer should not be dropped. See
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IReferenceCounted::drop() for more information. */
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virtual IGUIWindow* addMessageBox(const wchar_t* caption, const wchar_t* text=0,
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bool modal = true, s32 flags = EMBF_OK, IGUIElement* parent=0, s32 id=-1, video::ITexture* image=0) = 0;
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//! Adds a scrollbar.
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/** \param horizontal Specifies if the scroll bar is drawn horizontal
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or vertical.
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\param rectangle Rectangle specifying the borders of the scrollbar.
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\param parent Parent gui element of the scroll bar.
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\param id Id to identify the gui element.
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\return Pointer to the created scrollbar. Returns 0 if an error
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occurred. This pointer should not be dropped. See
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IReferenceCounted::drop() for more information. */
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virtual IGUIScrollBar* addScrollBar(bool horizontal, const core::rect<s32>& rectangle,
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IGUIElement* parent=0, s32 id=-1) = 0;
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//! Adds an image element.
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/** \param image Image to be displayed.
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\param pos Position of the image. The width and height of the image is
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taken from the image.
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\param useAlphaChannel Sets if the image should use the alpha channel
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of the texture to draw itself.
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\param parent Parent gui element of the image.
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\param id Id to identify the gui element.
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\param text Title text of the image.
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\return Pointer to the created image element. Returns 0 if an error
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occurred. This pointer should not be dropped. See
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IReferenceCounted::drop() for more information. */
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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) = 0;
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//! Adds an image element.
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/** Use IGUIImage::setImage later to set the image to be displayed.
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\param rectangle Rectangle specifying the borders of the image.
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\param parent Parent gui element of the image.
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\param id Id to identify the gui element.
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\param text Title text of the image.
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\param useAlphaChannel Sets if the image should use the alpha channel
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of the texture to draw itself.
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\return Pointer to the created image element. Returns 0 if an error
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occurred. This pointer should not be dropped. See
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IReferenceCounted::drop() for more information. */
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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) = 0;
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//! Adds a checkbox element.
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/** \param checked Define the initial state of the check box.
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\param rectangle Rectangle specifying the borders of the check box.
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\param parent Parent gui element of the check box.
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\param id Id to identify the gui element.
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\param text Title text of the check box.
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\return Pointer to the created check box. Returns 0 if an error
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occurred. This pointer should not be dropped. See
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IReferenceCounted::drop() for more information. */
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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) = 0;
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//! Adds a list box element.
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/** \param rectangle Rectangle specifying the borders of the list box.
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\param parent Parent gui element of the list box.
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\param id Id to identify the gui element.
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\param drawBackground Flag whether the background should be drawn.
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\return Pointer to the created list box. Returns 0 if an error occurred.
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This pointer should not be dropped. See IReferenceCounted::drop() for
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more information. */
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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) = 0;
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//! Adds a tree view element.
|
||
|
|
/** \param rectangle Position and dimension of list box.
|
||
|
|
\param parent Parent gui element of the list box.
|
||
|
|
\param id Id to identify the gui element.
|
||
|
|
\param drawBackground Flag whether the background should be drawn.
|
||
|
|
\param scrollBarVertical Flag whether a vertical scrollbar should be used
|
||
|
|
\param scrollBarHorizontal Flag whether a horizontal scrollbar should be used
|
||
|
|
\return Pointer to the created list box. Returns 0 if an error occurred.
|
||
|
|
This pointer should not be dropped. See IReferenceCounted::drop() for
|
||
|
|
more information. */
|
||
|
|
virtual IGUITreeView* addTreeView(const core::rect<s32>& rectangle,
|
||
|
|
IGUIElement* parent=0, s32 id=-1, bool drawBackground=false,
|
||
|
|
bool scrollBarVertical = true, bool scrollBarHorizontal = false) = 0;
|
||
|
|
|
||
|
|
//! Adds a mesh viewer. Not 100% implemented yet.
|
||
|
|
/** \param rectangle Rectangle specifying the borders of the mesh viewer.
|
||
|
|
\param parent Parent gui element of the mesh viewer.
|
||
|
|
\param id Id to identify the gui element.
|
||
|
|
\param text Title text of the mesh viewer.
|
||
|
|
\return Pointer to the created mesh viewer. Returns 0 if an error
|
||
|
|
occurred. This pointer should not be dropped. See
|
||
|
|
IReferenceCounted::drop() for more information. */
|
||
|
|
virtual IGUIMeshViewer* addMeshViewer(const core::rect<s32>& rectangle,
|
||
|
|
IGUIElement* parent=0, s32 id=-1, const wchar_t* text=0) = 0;
|
||
|
|
|
||
|
|
//! Adds a file open dialog.
|
||
|
|
/** \param title Text to be displayed as the title of the dialog.
|
||
|
|
\param modal Defines if the dialog is modal. This means, that all other
|
||
|
|
gui elements which were created before the message box cannot be used
|
||
|
|
until this messagebox is removed.
|
||
|
|
\param parent Parent gui element of the dialog.
|
||
|
|
\param id Id to identify the gui element.
|
||
|
|
\param restoreCWD If set to true, the current workingn directory will be
|
||
|
|
restored after the dialog is closed in some way. Otherwise the working
|
||
|
|
directory will be the one that the file dialog was last showing.
|
||
|
|
\param startDir Optional path for which the file dialog will be opened.
|
||
|
|
\return Pointer to the created file open dialog. Returns 0 if an error
|
||
|
|
occurred. This pointer should not be dropped. See
|
||
|
|
IReferenceCounted::drop() for more information. */
|
||
|
|
virtual IGUIFileOpenDialog* addFileOpenDialog(const wchar_t* title=0,
|
||
|
|
bool modal=true, IGUIElement* parent=0, s32 id=-1,
|
||
|
|
bool restoreCWD=false, io::path::char_type* startDir=0) = 0;
|
||
|
|
|
||
|
|
//! Adds a color select dialog.
|
||
|
|
/** \param title The title of the dialog.
|
||
|
|
\param modal Defines if the dialog is modal. This means, that all other
|
||
|
|
gui elements which were created before the dialog cannot be used
|
||
|
|
until it is removed.
|
||
|
|
\param parent The parent of the dialog.
|
||
|
|
\param id The ID of the dialog.
|
||
|
|
\return Pointer to the created file open dialog. Returns 0 if an error
|
||
|
|
occurred. This pointer should not be dropped. See
|
||
|
|
IReferenceCounted::drop() for more information. */
|
||
|
|
virtual IGUIColorSelectDialog* addColorSelectDialog(const wchar_t* title = 0,
|
||
|
|
bool modal=true, IGUIElement* parent=0, s32 id=-1) = 0;
|
||
|
|
|
||
|
|
//! Adds a static text.
|
||
|
|
/** \param text Text to be displayed. Can be altered after creation by SetText().
|
||
|
|
\param rectangle Rectangle specifying the borders of the static text
|
||
|
|
\param border Set to true if the static text should have a 3d border.
|
||
|
|
\param wordWrap Enable if the text should wrap into multiple lines.
|
||
|
|
\param parent Parent item of the element, e.g. a window.
|
||
|
|
\param id The ID of the element.
|
||
|
|
\param fillBackground Enable if the background shall be filled.
|
||
|
|
Defaults to false.
|
||
|
|
\return Pointer to the created static text. Returns 0 if an error
|
||
|
|
occurred. This pointer should not be dropped. See
|
||
|
|
IReferenceCounted::drop() for more information. */
|
||
|
|
virtual IGUIStaticText* addStaticText(const wchar_t* text, const core::rect<s32>& rectangle,
|
||
|
|
bool border=false, bool wordWrap=true, IGUIElement* parent=0, s32 id=-1,
|
||
|
|
bool fillBackground = false) = 0;
|
||
|
|
|
||
|
|
//! Adds an edit box.
|
||
|
|
/** Supports unicode input from every keyboard around the world,
|
||
|
|
scrolling, copying and pasting (exchanging data with the clipboard
|
||
|
|
directly), maximum character amount, marking, and all shortcuts like
|
||
|
|
ctrl+X, ctrl+V, ctrl+C, shift+Left, shift+Right, Home, End, and so on.
|
||
|
|
\param text Text to be displayed. Can be altered after creation
|
||
|
|
by setText().
|
||
|
|
\param rectangle Rectangle specifying the borders of the edit box.
|
||
|
|
\param border Set to true if the edit box should have a 3d border.
|
||
|
|
\param parent Parent item of the element, e.g. a window.
|
||
|
|
Set it to 0 to place the edit box directly in the environment.
|
||
|
|
\param id The ID of the element.
|
||
|
|
\return Pointer to the created edit box. Returns 0 if an error occurred.
|
||
|
|
This pointer should not be dropped. See IReferenceCounted::drop() for
|
||
|
|
more information. */
|
||
|
|
virtual IGUIEditBox* addEditBox(const wchar_t* text, const core::rect<s32>& rectangle,
|
||
|
|
bool border=true, IGUIElement* parent=0, s32 id=-1) = 0;
|
||
|
|
|
||
|
|
//! Adds a spin box.
|
||
|
|
/** An edit box with up and down buttons
|
||
|
|
\param text Text to be displayed. Can be altered after creation by setText().
|
||
|
|
\param rectangle Rectangle specifying the borders of the spin box.
|
||
|
|
\param border Set to true if the spin box should have a 3d border.
|
||
|
|
\param parent Parent item of the element, e.g. a window.
|
||
|
|
Set it to 0 to place the spin box directly in the environment.
|
||
|
|
\param id The ID of the element.
|
||
|
|
\return Pointer to the created spin box. Returns 0 if an error occurred.
|
||
|
|
This pointer should not be dropped. See IReferenceCounted::drop() for
|
||
|
|
more information. */
|
||
|
|
virtual IGUISpinBox* addSpinBox(const wchar_t* text, const core::rect<s32>& rectangle,
|
||
|
|
bool border=true,IGUIElement* parent=0, s32 id=-1) = 0;
|
||
|
|
|
||
|
|
//! Adds an element for fading in or out.
|
||
|
|
/** \param rectangle Rectangle specifying the borders of the fader.
|
||
|
|
If the pointer is NULL, the whole screen is used.
|
||
|
|
\param parent Parent item of the element, e.g. a window.
|
||
|
|
\param id An identifier for the fader.
|
||
|
|
\return Pointer to the created in-out-fader. Returns 0 if an error
|
||
|
|
occurred. This pointer should not be dropped. See
|
||
|
|
IReferenceCounted::drop() for more information. */
|
||
|
|
virtual IGUIInOutFader* addInOutFader(const core::rect<s32>* rectangle=0, IGUIElement* parent=0, s32 id=-1) = 0;
|
||
|
|
|
||
|
|
//! Adds a tab control to the environment.
|
||
|
|
/** \param rectangle Rectangle specifying the borders of the tab control.
|
||
|
|
\param parent Parent item of the element, e.g. a window.
|
||
|
|
Set it to 0 to place the tab control directly in the environment.
|
||
|
|
\param fillbackground Specifies if the background of the tab control
|
||
|
|
should be drawn.
|
||
|
|
\param border Specifies if a flat 3d border should be drawn. This is
|
||
|
|
usually not necessary unless you place the control directly into
|
||
|
|
the environment without a window as parent.
|
||
|
|
\param id An identifier for the tab control.
|
||
|
|
\return Pointer to the created tab control element. Returns 0 if an
|
||
|
|
error occurred. This pointer should not be dropped. See
|
||
|
|
IReferenceCounted::drop() for more information. */
|
||
|
|
virtual IGUITabControl* addTabControl(const core::rect<s32>& rectangle,
|
||
|
|
IGUIElement* parent=0, bool fillbackground=false,
|
||
|
|
bool border=true, s32 id=-1) = 0;
|
||
|
|
|
||
|
|
//! Adds tab to the environment.
|
||
|
|
/** You can use this element to group other elements. This is not used
|
||
|
|
for creating tabs on tab controls, please use IGUITabControl::addTab()
|
||
|
|
for this instead.
|
||
|
|
\param rectangle Rectangle specifying the borders of the tab.
|
||
|
|
\param parent Parent item of the element, e.g. a window.
|
||
|
|
Set it to 0 to place the tab directly in the environment.
|
||
|
|
\param id An identifier for the tab.
|
||
|
|
\return Pointer to the created tab. Returns 0 if an
|
||
|
|
error occurred. This pointer should not be dropped. See
|
||
|
|
IReferenceCounted::drop() for more information. */
|
||
|
|
virtual IGUITab* addTab(const core::rect<s32>& rectangle,
|
||
|
|
IGUIElement* parent=0, s32 id=-1) = 0;
|
||
|
|
|
||
|
|
//! Adds a context menu to the environment.
|
||
|
|
/** \param rectangle Rectangle specifying the borders of the menu.
|
||
|
|
Note that the menu is resizing itself based on what items you add.
|
||
|
|
\param parent Parent item of the element, e.g. a window.
|
||
|
|
Set it to 0 to place the menu directly in the environment.
|
||
|
|
\param id An identifier for the menu.
|
||
|
|
\return Pointer to the created context menu. Returns 0 if an
|
||
|
|
error occurred. This pointer should not be dropped. See
|
||
|
|
IReferenceCounted::drop() for more information. */
|
||
|
|
virtual IGUIContextMenu* addContextMenu(const core::rect<s32>& rectangle,
|
||
|
|
IGUIElement* parent=0, s32 id=-1) = 0;
|
||
|
|
|
||
|
|
//! Adds a menu to the environment.
|
||
|
|
/** This is like the menu you can find on top of most windows in modern
|
||
|
|
graphical user interfaces.
|
||
|
|
\param parent Parent item of the element, e.g. a window.
|
||
|
|
Set it to 0 to place the menu directly in the environment.
|
||
|
|
\param id An identifier for the menu.
|
||
|
|
\return Pointer to the created menu. Returns 0 if an
|
||
|
|
error occurred. This pointer should not be dropped. See
|
||
|
|
IReferenceCounted::drop() for more information. */
|
||
|
|
virtual IGUIContextMenu* addMenu(IGUIElement* parent=0, s32 id=-1) = 0;
|
||
|
|
|
||
|
|
//! Adds a toolbar to the environment.
|
||
|
|
/** It is like a menu that is always placed on top of its parent, and
|
||
|
|
contains buttons.
|
||
|
|
\param parent Parent item of the element, e.g. a window.
|
||
|
|
Set it to 0 to place the tool bar directly in the environment.
|
||
|
|
\param id An identifier for the tool bar.
|
||
|
|
\return Pointer to the created tool bar. Returns 0 if an
|
||
|
|
error occurred. This pointer should not be dropped. See
|
||
|
|
IReferenceCounted::drop() for more information. */
|
||
|
|
virtual IGUIToolBar* addToolBar(IGUIElement* parent=0, s32 id=-1) = 0;
|
||
|
|
|
||
|
|
//! Adds a combo box to the environment.
|
||
|
|
/** \param rectangle Rectangle specifying the borders of the combo box.
|
||
|
|
\param parent Parent item of the element, e.g. a window.
|
||
|
|
Set it to 0 to place the combo box directly in the environment.
|
||
|
|
\param id An identifier for the combo box.
|
||
|
|
\return Pointer to the created combo box. Returns 0 if an
|
||
|
|
error occurred. This pointer should not be dropped. See
|
||
|
|
IReferenceCounted::drop() for more information. */
|
||
|
|
virtual IGUIComboBox* addComboBox(const core::rect<s32>& rectangle,
|
||
|
|
IGUIElement* parent=0, s32 id=-1) = 0;
|
||
|
|
|
||
|
|
//! Adds a table to the environment
|
||
|
|
/** \param rectangle Rectangle specifying the borders of the table.
|
||
|
|
\param parent Parent item of the element, e.g. a window. Set it to 0
|
||
|
|
to place the element directly in the environment.
|
||
|
|
\param id An identifier for the table.
|
||
|
|
\param drawBackground Flag whether the background should be drawn.
|
||
|
|
\return Pointer to the created table. Returns 0 if an error occurred.
|
||
|
|
This pointer should not be dropped. See IReferenceCounted::drop() for
|
||
|
|
more information. */
|
||
|
|
virtual IGUITable* addTable(const core::rect<s32>& rectangle,
|
||
|
|
IGUIElement* parent=0, s32 id=-1, bool drawBackground=false) =0;
|
||
|
|
|
||
|
|
//! Get the default element factory which can create all built-in elements
|
||
|
|
/** \return Pointer to the factory.
|
||
|
|
This pointer should not be dropped. See IReferenceCounted::drop() for
|
||
|
|
more information. */
|
||
|
|
virtual IGUIElementFactory* getDefaultGUIElementFactory() const = 0;
|
||
|
|
|
||
|
|
//! Adds an element factory to the gui environment.
|
||
|
|
/** Use this to extend the gui environment with new element types which
|
||
|
|
it should be able to create automatically, for example when loading
|
||
|
|
data from xml files.
|
||
|
|
\param factoryToAdd Pointer to new factory. */
|
||
|
|
virtual void registerGUIElementFactory(IGUIElementFactory* factoryToAdd) = 0;
|
||
|
|
|
||
|
|
//! Get amount of registered gui element factories.
|
||
|
|
/** \return Amount of registered gui element factories. */
|
||
|
|
virtual u32 getRegisteredGUIElementFactoryCount() const = 0;
|
||
|
|
|
||
|
|
//! Get a gui element factory by index
|
||
|
|
/** \param index Index of the factory.
|
||
|
|
\return Factory at given index, or 0 if no such factory exists. */
|
||
|
|
virtual IGUIElementFactory* getGUIElementFactory(u32 index) const = 0;
|
||
|
|
|
||
|
|
//! Adds a GUI element by its name
|
||
|
|
/** Each factory is checked if it can create an element of the given
|
||
|
|
name. The first match will be created.
|
||
|
|
\param elementName Name of the element to be created.
|
||
|
|
\param parent Parent of the new element, if not 0.
|
||
|
|
\return New GUI element, or 0 if no such element exists. */
|
||
|
|
virtual IGUIElement* addGUIElement(const c8* elementName, IGUIElement* parent=0) = 0;
|
||
|
|
|
||
|
|
//! Saves the current gui into a file.
|
||
|
|
/** \param filename Name of the file.
|
||
|
|
\param start The GUIElement to start with. Root if 0.
|
||
|
|
\return True if saving succeeded, else false. */
|
||
|
|
virtual bool saveGUI(const io::path& filename, IGUIElement* start=0) = 0;
|
||
|
|
|
||
|
|
//! Saves the current gui into a file.
|
||
|
|
/** \param file The file to write to.
|
||
|
|
\param start The GUIElement to start with. Root if 0.
|
||
|
|
\return True if saving succeeded, else false. */
|
||
|
|
virtual bool saveGUI(io::IWriteFile* file, IGUIElement* start=0) = 0;
|
||
|
|
|
||
|
|
//! Loads the gui. Note that the current gui is not cleared before.
|
||
|
|
/** When a parent is set the elements will be added below the parent, the parent itself does not deserialize.
|
||
|
|
When the file contains skin-settings from the gui-environment those are always serialized into the
|
||
|
|
guienvironment independent of the parent setting.
|
||
|
|
\param filename Name of the file.
|
||
|
|
\param parent Parent for the loaded GUI, root if 0.
|
||
|
|
\return True if loading succeeded, else false. */
|
||
|
|
virtual bool loadGUI(const io::path& filename, IGUIElement* parent=0) = 0;
|
||
|
|
|
||
|
|
//! Loads the gui. Note that the current gui is not cleared before.
|
||
|
|
/** When a parent is set the elements will be added below the parent, the parent itself does not deserialize.
|
||
|
|
When the file contains skin-settings from the gui-environment those are always serialized into the
|
||
|
|
guienvironment independent of the parent setting.
|
||
|
|
\param file The file to load from.
|
||
|
|
\param parent Parent for the loaded GUI, root if 0.
|
||
|
|
\return True if loading succeeded, else false. */
|
||
|
|
virtual bool loadGUI(io::IReadFile* file, IGUIElement* parent=0) = 0;
|
||
|
|
|
||
|
|
//! Writes attributes of the gui environment
|
||
|
|
virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const =0;
|
||
|
|
|
||
|
|
//! Reads attributes of the gui environment
|
||
|
|
virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)=0;
|
||
|
|
|
||
|
|
//! writes an element
|
||
|
|
virtual void writeGUIElement(io::IXMLWriter* writer, IGUIElement* node) =0;
|
||
|
|
|
||
|
|
//! reads an element
|
||
|
|
virtual void readGUIElement(io::IXMLReader* reader, IGUIElement* node) =0;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
} // end namespace gui
|
||
|
|
} // end namespace irr
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|