Import irrlicht 1.8.4 release
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source/Irrlicht/CGUITabControl.h
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202
source/Irrlicht/CGUITabControl.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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#ifndef __C_GUI_TAB_CONTROL_H_INCLUDED__
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#define __C_GUI_TAB_CONTROL_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_GUI_
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#include "IGUITabControl.h"
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#include "irrArray.h"
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#include "IGUISkin.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 CGUITabControl;
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class IGUIButton;
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// A tab, onto which other gui elements could be added.
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class CGUITab : public IGUITab
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{
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public:
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//! constructor
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CGUITab(s32 number, IGUIEnvironment* environment,
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IGUIElement* parent, const core::rect<s32>& rectangle,
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s32 id);
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//! destructor
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//virtual ~CGUITab();
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//! Returns number of this tab in tabcontrol. Can be accessed
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//! later IGUITabControl::getTab() by this number.
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virtual s32 getNumber() const;
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//! Sets the number
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virtual void setNumber(s32 n);
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//! draws the element and its children
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virtual void draw();
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//! sets if the tab should draw its background
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virtual void setDrawBackground(bool draw=true);
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//! sets the color of the background, if it should be drawn.
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virtual void setBackgroundColor(video::SColor c);
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//! sets the color of the text
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virtual void setTextColor(video::SColor c);
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//! returns true if the tab is drawing its background, false if not
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virtual bool isDrawingBackground() const;
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//! returns the color of the background
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virtual video::SColor getBackgroundColor() const;
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virtual video::SColor getTextColor() const;
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//! Writes attributes of the element.
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virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const;
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//! Reads attributes of the element
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virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options);
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//! only for internal use by CGUITabControl
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void refreshSkinColors();
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private:
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s32 Number;
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video::SColor BackColor;
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bool OverrideTextColorEnabled;
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video::SColor TextColor;
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bool DrawBackground;
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};
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//! A standard tab control
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class CGUITabControl : public IGUITabControl
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{
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public:
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//! destructor
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CGUITabControl(IGUIEnvironment* environment,
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IGUIElement* parent, const core::rect<s32>& rectangle,
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bool fillbackground=true, bool border=true, s32 id=-1);
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//! destructor
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virtual ~CGUITabControl();
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//! Adds a tab
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virtual IGUITab* addTab(const wchar_t* caption, s32 id=-1);
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//! Adds a tab that has already been created
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virtual void addTab(CGUITab* tab);
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//! Insert the tab at the given index
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virtual IGUITab* insertTab(s32 idx, const wchar_t* caption, s32 id=-1);
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//! Removes a tab from the tabcontrol
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virtual void removeTab(s32 idx);
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//! Clears the tabcontrol removing all tabs
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virtual void clear();
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//! Returns amount of tabs in the tabcontrol
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virtual s32 getTabCount() const;
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//! Returns a tab based on zero based index
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virtual IGUITab* getTab(s32 idx) const;
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//! Brings a tab to front.
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virtual bool setActiveTab(s32 idx);
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//! Brings a tab to front.
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virtual bool setActiveTab(IGUITab *tab);
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//! Returns which tab is currently active
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virtual s32 getActiveTab() const;
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//! get the the id of the tab at the given absolute coordinates
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virtual s32 getTabAt(s32 xpos, s32 ypos) const;
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//! called if an event happened.
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virtual bool OnEvent(const SEvent& event);
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//! draws the element and its children
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virtual void draw();
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//! Removes a child.
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virtual void removeChild(IGUIElement* child);
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//! Writes attributes of the element.
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virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const;
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//! Set the height of the tabs
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virtual void setTabHeight( s32 height );
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//! Reads attributes of the element
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virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options);
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//! Get the height of the tabs
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virtual s32 getTabHeight() const;
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//! set the maximal width of a tab. Per default width is 0 which means "no width restriction".
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virtual void setTabMaxWidth(s32 width );
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//! get the maximal width of a tab
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virtual s32 getTabMaxWidth() const;
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//! Set the alignment of the tabs
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//! note: EGUIA_CENTER is not an option
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virtual void setTabVerticalAlignment( gui::EGUI_ALIGNMENT alignment );
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//! Get the alignment of the tabs
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virtual gui::EGUI_ALIGNMENT getTabVerticalAlignment() const;
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//! Set the extra width added to tabs on each side of the text
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virtual void setTabExtraWidth( s32 extraWidth );
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//! Get the extra width added to tabs on each side of the text
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virtual s32 getTabExtraWidth() const;
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//! Update the position of the element, decides scroll button status
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virtual void updateAbsolutePosition();
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private:
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void scrollLeft();
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void scrollRight();
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bool needScrollControl( s32 startIndex=0, bool withScrollControl=false );
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s32 calcTabWidth(s32 pos, IGUIFont* font, const wchar_t* text, bool withScrollControl ) const;
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core::rect<s32> calcTabPos();
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void recalculateScrollButtonPlacement();
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void recalculateScrollBar();
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void refreshSprites();
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core::array<CGUITab*> Tabs; // CGUITab* because we need setNumber (which is certainly not nice)
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s32 ActiveTab;
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bool Border;
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bool FillBackground;
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bool ScrollControl;
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s32 TabHeight;
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gui::EGUI_ALIGNMENT VerticalAlignment;
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IGUIButton* UpButton;
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IGUIButton* DownButton;
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s32 TabMaxWidth;
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s32 CurrentScrollTabIndex;
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s32 TabExtraWidth;
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};
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} // end namespace gui
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_GUI_
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#endif
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