1043 lines
25 KiB
C++
1043 lines
25 KiB
C++
// Copyright (C) 2002-2011 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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#include "CGUITabControl.h"
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#ifdef _IRR_COMPILE_WITH_GUI_
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#include "CGUIButton.h"
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#include "IGUISkin.h"
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#include "IGUIEnvironment.h"
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#include "IGUIFont.h"
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#include "IVideoDriver.h"
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#include "rect.h"
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#include "os.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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// ------------------------------------------------------------------
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// Tab
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// ------------------------------------------------------------------
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//! constructor
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CGUITab::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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: IGUITab(environment, parent, id, rectangle), Number(number),
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BackColor(0,0,0,0), OverrideTextColorEnabled(false), TextColor(255,0,0,0),
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DrawBackground(false)
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{
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#ifdef _DEBUG
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setDebugName("CGUITab");
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#endif
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const IGUISkin* const skin = environment->getSkin();
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if (skin)
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TextColor = skin->getColor(EGDC_BUTTON_TEXT);
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}
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//! Returns number of tab in tabcontrol. Can be accessed
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//! later IGUITabControl::getTab() by this number.
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s32 CGUITab::getNumber() const
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{
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return Number;
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}
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//! Sets the number
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void CGUITab::setNumber(s32 n)
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{
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Number = n;
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}
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void CGUITab::refreshSkinColors()
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{
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if ( !OverrideTextColorEnabled )
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{
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TextColor = Environment->getSkin()->getColor(EGDC_BUTTON_TEXT);
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}
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}
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//! draws the element and its children
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void CGUITab::draw()
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{
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if (!IsVisible)
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return;
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IGUISkin *skin = Environment->getSkin();
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if (skin && DrawBackground)
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skin->draw2DRectangle(this, BackColor, AbsoluteRect, &AbsoluteClippingRect);
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IGUIElement::draw();
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}
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//! sets if the tab should draw its background
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void CGUITab::setDrawBackground(bool draw)
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{
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DrawBackground = draw;
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}
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//! sets the color of the background, if it should be drawn.
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void CGUITab::setBackgroundColor(video::SColor c)
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{
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BackColor = c;
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}
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//! sets the color of the text
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void CGUITab::setTextColor(video::SColor c)
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{
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OverrideTextColorEnabled = true;
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TextColor = c;
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}
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video::SColor CGUITab::getTextColor() const
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{
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return TextColor;
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}
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//! returns true if the tab is drawing its background, false if not
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bool CGUITab::isDrawingBackground() const
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{
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_IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
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return DrawBackground;
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}
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//! returns the color of the background
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video::SColor CGUITab::getBackgroundColor() const
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{
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return BackColor;
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}
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//! Writes attributes of the element.
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void CGUITab::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const
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{
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IGUITab::serializeAttributes(out,options);
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out->addInt ("TabNumber", Number);
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out->addBool ("DrawBackground", DrawBackground);
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out->addColor ("BackColor", BackColor);
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out->addBool ("OverrideTextColorEnabled", OverrideTextColorEnabled);
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out->addColor ("TextColor", TextColor);
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}
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//! Reads attributes of the element
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void CGUITab::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)
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{
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IGUITab::deserializeAttributes(in,options);
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setNumber(in->getAttributeAsInt("TabNumber"));
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setDrawBackground(in->getAttributeAsBool("DrawBackground"));
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setBackgroundColor(in->getAttributeAsColor("BackColor"));
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bool override = in->getAttributeAsBool("OverrideTextColorEnabled");
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setTextColor(in->getAttributeAsColor("TextColor"));
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if ( !override )
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{
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OverrideTextColorEnabled = false;
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}
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if (Parent && Parent->getType() == EGUIET_TAB_CONTROL)
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{
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((CGUITabControl*)Parent)->addTab(this);
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if (isVisible())
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((CGUITabControl*)Parent)->setActiveTab(this);
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}
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}
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// ------------------------------------------------------------------
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// Tabcontrol
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// ------------------------------------------------------------------
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//! constructor
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CGUITabControl::CGUITabControl(IGUIEnvironment* environment,
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IGUIElement* parent, const core::rect<s32>& rectangle,
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bool fillbackground, bool border, s32 id)
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: IGUITabControl(environment, parent, id, rectangle), ActiveTab(-1),
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Border(border), FillBackground(fillbackground), ScrollControl(false), TabHeight(0), VerticalAlignment(EGUIA_UPPERLEFT),
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UpButton(0), DownButton(0), TabMaxWidth(0), CurrentScrollTabIndex(0), TabExtraWidth(20)
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{
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#ifdef _DEBUG
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setDebugName("CGUITabControl");
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#endif
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IGUISkin* skin = Environment->getSkin();
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IGUISpriteBank* sprites = 0;
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TabHeight = 32;
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if (skin)
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{
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sprites = skin->getSpriteBank();
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TabHeight = skin->getSize(gui::EGDS_BUTTON_HEIGHT) + 2;
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}
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UpButton = Environment->addButton(core::rect<s32>(0,0,10,10), this);
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if (UpButton)
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{
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UpButton->setSpriteBank(sprites);
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UpButton->setVisible(false);
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UpButton->setSubElement(true);
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UpButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
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UpButton->setOverrideFont(Environment->getBuiltInFont());
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UpButton->grab();
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}
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DownButton = Environment->addButton(core::rect<s32>(0,0,10,10), this);
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if (DownButton)
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{
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DownButton->setSpriteBank(sprites);
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DownButton->setVisible(false);
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DownButton->setSubElement(true);
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DownButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
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DownButton->setOverrideFont(Environment->getBuiltInFont());
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DownButton->grab();
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}
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setTabVerticalAlignment(EGUIA_UPPERLEFT);
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refreshSprites();
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}
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//! destructor
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CGUITabControl::~CGUITabControl()
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{
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for (u32 i=0; i<Tabs.size(); ++i)
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{
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if (Tabs[i])
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Tabs[i]->drop();
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}
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if (UpButton)
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UpButton->drop();
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if (DownButton)
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DownButton->drop();
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}
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void CGUITabControl::refreshSprites()
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{
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video::SColor color(255,255,255,255);
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IGUISkin* skin = Environment->getSkin();
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if (skin)
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{
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color = skin->getColor(isEnabled() ? EGDC_WINDOW_SYMBOL : EGDC_GRAY_WINDOW_SYMBOL);
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}
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if (UpButton)
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{
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UpButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_CURSOR_LEFT), color);
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UpButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_CURSOR_LEFT), color);
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}
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if (DownButton)
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{
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DownButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_CURSOR_RIGHT), color);
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DownButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_CURSOR_RIGHT), color);
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}
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}
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//! Adds a tab
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IGUITab* CGUITabControl::addTab(const wchar_t* caption, s32 id)
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{
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CGUITab* tab = new CGUITab(Tabs.size(), Environment, this, calcTabPos(), id);
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tab->setText(caption);
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tab->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT);
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tab->setVisible(false);
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Tabs.push_back(tab);
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if (ActiveTab == -1)
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{
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ActiveTab = 0;
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tab->setVisible(true);
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}
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recalculateScrollBar();
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return tab;
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}
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//! adds a tab which has been created elsewhere
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void CGUITabControl::addTab(CGUITab* tab)
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{
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if (!tab)
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return;
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// check if its already added
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for (u32 i=0; i < Tabs.size(); ++i)
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{
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if (Tabs[i] == tab)
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return;
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}
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tab->grab();
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if (tab->getNumber() == -1)
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tab->setNumber((s32)Tabs.size());
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while (tab->getNumber() >= (s32)Tabs.size())
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Tabs.push_back(0);
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if (Tabs[tab->getNumber()])
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{
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Tabs.push_back(Tabs[tab->getNumber()]);
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Tabs[Tabs.size()-1]->setNumber(Tabs.size());
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}
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Tabs[tab->getNumber()] = tab;
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if (ActiveTab == -1)
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ActiveTab = tab->getNumber();
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if (tab->getNumber() == ActiveTab)
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{
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setActiveTab(ActiveTab);
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}
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}
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//! Insert the tab at the given index
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IGUITab* CGUITabControl::insertTab(s32 idx, const wchar_t* caption, s32 id)
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{
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if ( idx < 0 || idx > (s32)Tabs.size() ) // idx == Tabs.size() is indeed ok here as core::array can handle that
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return NULL;
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CGUITab* tab = new CGUITab(idx, Environment, this, calcTabPos(), id);
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tab->setText(caption);
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tab->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT);
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tab->setVisible(false);
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Tabs.insert(tab, (u32)idx);
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if (ActiveTab == -1)
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{
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ActiveTab = 0;
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tab->setVisible(true);
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}
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for ( u32 i=(u32)idx+1; i < Tabs.size(); ++i )
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{
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Tabs[i]->setNumber(i);
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}
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recalculateScrollBar();
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return tab;
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}
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//! Removes a tab from the tabcontrol
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void CGUITabControl::removeTab(s32 idx)
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{
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if ( idx < 0 || idx >= (s32)Tabs.size() )
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return;
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Tabs[(u32)idx]->drop();
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Tabs.erase((u32)idx);
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for ( u32 i=(u32)idx; i < Tabs.size(); ++i )
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{
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Tabs[i]->setNumber(i);
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}
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}
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//! Clears the tabcontrol removing all tabs
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void CGUITabControl::clear()
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{
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for (u32 i=0; i<Tabs.size(); ++i)
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{
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if (Tabs[i])
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Tabs[i]->drop();
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}
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Tabs.clear();
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}
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//! Returns amount of tabs in the tabcontrol
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s32 CGUITabControl::getTabCount() const
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{
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return Tabs.size();
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}
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//! Returns a tab based on zero based index
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IGUITab* CGUITabControl::getTab(s32 idx) const
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{
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if ((u32)idx >= Tabs.size())
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return 0;
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return Tabs[idx];
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}
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//! called if an event happened.
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bool CGUITabControl::OnEvent(const SEvent& event)
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{
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if (isEnabled())
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{
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switch(event.EventType)
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{
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case EET_GUI_EVENT:
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switch(event.GUIEvent.EventType)
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{
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case EGET_BUTTON_CLICKED:
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if (event.GUIEvent.Caller == UpButton)
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{
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scrollLeft();
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return true;
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}
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else if (event.GUIEvent.Caller == DownButton)
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{
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scrollRight();
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return true;
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}
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break;
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default:
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break;
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}
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break;
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case EET_MOUSE_INPUT_EVENT:
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switch(event.MouseInput.Event)
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{
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case EMIE_LMOUSE_PRESSED_DOWN:
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// todo: dragging tabs around
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return true;
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case EMIE_LMOUSE_LEFT_UP:
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{
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s32 idx = getTabAt(event.MouseInput.X, event.MouseInput.Y);
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if ( idx >= 0 )
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{
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setActiveTab(idx);
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return true;
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}
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break;
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}
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default:
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break;
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}
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break;
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default:
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break;
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}
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}
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return IGUIElement::OnEvent(event);
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}
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void CGUITabControl::scrollLeft()
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{
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if ( CurrentScrollTabIndex > 0 )
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--CurrentScrollTabIndex;
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recalculateScrollBar();
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}
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void CGUITabControl::scrollRight()
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{
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if ( CurrentScrollTabIndex < (s32)(Tabs.size()) - 1 )
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{
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if ( needScrollControl(CurrentScrollTabIndex, true) )
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++CurrentScrollTabIndex;
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}
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recalculateScrollBar();
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}
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s32 CGUITabControl::calcTabWidth(s32 pos, IGUIFont* font, const wchar_t* text, bool withScrollControl) const
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{
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if ( !font )
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return 0;
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s32 len = font->getDimension(text).Width + TabExtraWidth;
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if ( TabMaxWidth > 0 && len > TabMaxWidth )
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len = TabMaxWidth;
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// check if we miss the place to draw the tab-button
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if ( withScrollControl && ScrollControl && pos+len > UpButton->getAbsolutePosition().UpperLeftCorner.X - 2 )
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{
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s32 tabMinWidth = font->getDimension(L"A").Width;
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if ( TabExtraWidth > 0 && TabExtraWidth > tabMinWidth )
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tabMinWidth = TabExtraWidth;
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if ( ScrollControl && pos+tabMinWidth <= UpButton->getAbsolutePosition().UpperLeftCorner.X - 2 )
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{
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len = UpButton->getAbsolutePosition().UpperLeftCorner.X - 2 - pos;
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}
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}
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return len;
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}
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bool CGUITabControl::needScrollControl(s32 startIndex, bool withScrollControl)
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{
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if ( startIndex >= (s32)Tabs.size() )
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startIndex -= 1;
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if ( startIndex < 0 )
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startIndex = 0;
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IGUISkin* skin = Environment->getSkin();
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if (!skin)
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return false;
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IGUIFont* font = skin->getFont();
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core::rect<s32> frameRect(AbsoluteRect);
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if (Tabs.empty())
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return false;
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if (!font)
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return false;
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s32 pos = frameRect.UpperLeftCorner.X + 2;
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for (s32 i=startIndex; i<(s32)Tabs.size(); ++i)
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{
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// get Text
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const wchar_t* text = 0;
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if (Tabs[i])
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text = Tabs[i]->getText();
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// get text length
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s32 len = calcTabWidth(pos, font, text, false); // always without withScrollControl here or len would be shortened
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frameRect.LowerRightCorner.X += len;
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frameRect.UpperLeftCorner.X = pos;
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frameRect.LowerRightCorner.X = frameRect.UpperLeftCorner.X + len;
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pos += len;
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if ( withScrollControl && pos > UpButton->getAbsolutePosition().UpperLeftCorner.X - 2)
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return true;
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if ( !withScrollControl && pos > AbsoluteRect.LowerRightCorner.X )
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return true;
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}
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return false;
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}
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core::rect<s32> CGUITabControl::calcTabPos()
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{
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core::rect<s32> r;
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r.UpperLeftCorner.X = 0;
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r.LowerRightCorner.X = AbsoluteRect.getWidth();
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if ( Border )
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{
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++r.UpperLeftCorner.X;
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--r.LowerRightCorner.X;
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}
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if ( VerticalAlignment == EGUIA_UPPERLEFT )
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{
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r.UpperLeftCorner.Y = TabHeight+2;
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r.LowerRightCorner.Y = AbsoluteRect.getHeight()-1;
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if ( Border )
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{
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--r.LowerRightCorner.Y;
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}
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}
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else
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{
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r.UpperLeftCorner.Y = 0;
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r.LowerRightCorner.Y = AbsoluteRect.getHeight()-(TabHeight+2);
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if ( Border )
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{
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++r.UpperLeftCorner.Y;
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}
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}
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return r;
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}
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//! draws the element and its children
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void CGUITabControl::draw()
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{
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if (!IsVisible)
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return;
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IGUISkin* skin = Environment->getSkin();
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if (!skin)
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return;
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IGUIFont* font = skin->getFont();
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video::IVideoDriver* driver = Environment->getVideoDriver();
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core::rect<s32> frameRect(AbsoluteRect);
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if (Tabs.empty())
|
|
driver->draw2DRectangle(skin->getColor(EGDC_3D_HIGH_LIGHT), frameRect, &AbsoluteClippingRect);
|
|
|
|
if (!font)
|
|
return;
|
|
|
|
if ( VerticalAlignment == EGUIA_UPPERLEFT )
|
|
{
|
|
frameRect.UpperLeftCorner.Y += 2;
|
|
frameRect.LowerRightCorner.Y = frameRect.UpperLeftCorner.Y + TabHeight;
|
|
}
|
|
else
|
|
{
|
|
frameRect.UpperLeftCorner.Y = frameRect.LowerRightCorner.Y - TabHeight - 1;
|
|
frameRect.LowerRightCorner.Y -= 2;
|
|
}
|
|
|
|
core::rect<s32> tr;
|
|
s32 pos = frameRect.UpperLeftCorner.X + 2;
|
|
|
|
bool needLeftScroll = CurrentScrollTabIndex > 0;
|
|
bool needRightScroll = false;
|
|
|
|
// left and right pos of the active tab
|
|
s32 left = 0;
|
|
s32 right = 0;
|
|
|
|
//const wchar_t* activetext = 0;
|
|
CGUITab *activeTab = 0;
|
|
|
|
for (u32 i=CurrentScrollTabIndex; i<Tabs.size(); ++i)
|
|
{
|
|
// get Text
|
|
const wchar_t* text = 0;
|
|
if (Tabs[i])
|
|
text = Tabs[i]->getText();
|
|
|
|
// get text length
|
|
s32 len = calcTabWidth(pos, font, text, true);
|
|
if ( ScrollControl && pos+len > UpButton->getAbsolutePosition().UpperLeftCorner.X - 2 )
|
|
{
|
|
needRightScroll = true;
|
|
break;
|
|
}
|
|
|
|
frameRect.LowerRightCorner.X += len;
|
|
frameRect.UpperLeftCorner.X = pos;
|
|
frameRect.LowerRightCorner.X = frameRect.UpperLeftCorner.X + len;
|
|
|
|
pos += len;
|
|
|
|
if ( text )
|
|
Tabs[i]->refreshSkinColors();
|
|
|
|
if ((s32)i == ActiveTab)
|
|
{
|
|
left = frameRect.UpperLeftCorner.X;
|
|
right = frameRect.LowerRightCorner.X;
|
|
//activetext = text;
|
|
activeTab = Tabs[i];
|
|
}
|
|
else
|
|
{
|
|
skin->draw3DTabButton(this, false, frameRect, &AbsoluteClippingRect, VerticalAlignment);
|
|
|
|
// draw text
|
|
core::rect<s32> textClipRect(frameRect); // TODO: exact size depends on borders in draw3DTabButton which we don't get with current interface
|
|
textClipRect.clipAgainst(AbsoluteClippingRect);
|
|
font->draw(text, frameRect, Tabs[i]->getTextColor(),
|
|
true, true, &textClipRect);
|
|
}
|
|
}
|
|
|
|
// draw active tab
|
|
if (left != 0 && right != 0 && activeTab != 0)
|
|
{
|
|
// draw upper highlight frame
|
|
if ( VerticalAlignment == EGUIA_UPPERLEFT )
|
|
{
|
|
frameRect.UpperLeftCorner.X = left-2;
|
|
frameRect.LowerRightCorner.X = right+2;
|
|
frameRect.UpperLeftCorner.Y -= 2;
|
|
|
|
skin->draw3DTabButton(this, true, frameRect, &AbsoluteClippingRect, VerticalAlignment);
|
|
|
|
// draw text
|
|
core::rect<s32> textClipRect(frameRect); // TODO: exact size depends on borders in draw3DTabButton which we don't get with current interface
|
|
textClipRect.clipAgainst(AbsoluteClippingRect);
|
|
font->draw(activeTab->getText(), frameRect, activeTab->getTextColor(),
|
|
true, true, &textClipRect);
|
|
|
|
tr.UpperLeftCorner.X = AbsoluteRect.UpperLeftCorner.X;
|
|
tr.LowerRightCorner.X = left - 1;
|
|
tr.UpperLeftCorner.Y = frameRect.LowerRightCorner.Y - 1;
|
|
tr.LowerRightCorner.Y = frameRect.LowerRightCorner.Y;
|
|
driver->draw2DRectangle(skin->getColor(EGDC_3D_HIGH_LIGHT), tr, &AbsoluteClippingRect);
|
|
|
|
tr.UpperLeftCorner.X = right;
|
|
tr.LowerRightCorner.X = AbsoluteRect.LowerRightCorner.X;
|
|
driver->draw2DRectangle(skin->getColor(EGDC_3D_HIGH_LIGHT), tr, &AbsoluteClippingRect);
|
|
}
|
|
else
|
|
{
|
|
|
|
frameRect.UpperLeftCorner.X = left-2;
|
|
frameRect.LowerRightCorner.X = right+2;
|
|
frameRect.LowerRightCorner.Y += 2;
|
|
|
|
skin->draw3DTabButton(this, true, frameRect, &AbsoluteClippingRect, VerticalAlignment);
|
|
|
|
// draw text
|
|
font->draw(activeTab->getText(), frameRect, activeTab->getTextColor(),
|
|
true, true, &frameRect);
|
|
|
|
tr.UpperLeftCorner.X = AbsoluteRect.UpperLeftCorner.X;
|
|
tr.LowerRightCorner.X = left - 1;
|
|
tr.UpperLeftCorner.Y = frameRect.UpperLeftCorner.Y - 1;
|
|
tr.LowerRightCorner.Y = frameRect.UpperLeftCorner.Y;
|
|
driver->draw2DRectangle(skin->getColor(EGDC_3D_DARK_SHADOW), tr, &AbsoluteClippingRect);
|
|
|
|
tr.UpperLeftCorner.X = right;
|
|
tr.LowerRightCorner.X = AbsoluteRect.LowerRightCorner.X;
|
|
driver->draw2DRectangle(skin->getColor(EGDC_3D_DARK_SHADOW), tr, &AbsoluteClippingRect);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( VerticalAlignment == EGUIA_UPPERLEFT )
|
|
{
|
|
tr.UpperLeftCorner.X = AbsoluteRect.UpperLeftCorner.X;
|
|
tr.LowerRightCorner.X = AbsoluteRect.LowerRightCorner.X;
|
|
tr.UpperLeftCorner.Y = frameRect.LowerRightCorner.Y - 1;
|
|
tr.LowerRightCorner.Y = frameRect.LowerRightCorner.Y;
|
|
driver->draw2DRectangle(skin->getColor(EGDC_3D_HIGH_LIGHT), tr, &AbsoluteClippingRect);
|
|
}
|
|
else
|
|
{
|
|
tr.UpperLeftCorner.X = AbsoluteRect.UpperLeftCorner.X;
|
|
tr.LowerRightCorner.X = 1000;
|
|
tr.UpperLeftCorner.Y = frameRect.UpperLeftCorner.Y - 1;
|
|
tr.LowerRightCorner.Y = frameRect.UpperLeftCorner.Y;
|
|
driver->draw2DRectangle(skin->getColor(EGDC_3D_DARK_SHADOW), tr, &AbsoluteClippingRect);
|
|
}
|
|
}
|
|
|
|
skin->draw3DTabBody(this, Border, FillBackground, AbsoluteRect, &AbsoluteClippingRect, TabHeight, VerticalAlignment);
|
|
|
|
// enable scrollcontrols on need
|
|
if ( UpButton )
|
|
UpButton->setEnabled(needLeftScroll);
|
|
if ( DownButton )
|
|
DownButton->setEnabled(needRightScroll);
|
|
refreshSprites();
|
|
|
|
IGUIElement::draw();
|
|
}
|
|
|
|
|
|
//! Set the height of the tabs
|
|
void CGUITabControl::setTabHeight( s32 height )
|
|
{
|
|
if ( height < 0 )
|
|
height = 0;
|
|
|
|
TabHeight = height;
|
|
|
|
recalculateScrollButtonPlacement();
|
|
recalculateScrollBar();
|
|
}
|
|
|
|
|
|
//! Get the height of the tabs
|
|
s32 CGUITabControl::getTabHeight() const
|
|
{
|
|
return TabHeight;
|
|
}
|
|
|
|
//! set the maximal width of a tab. Per default width is 0 which means "no width restriction".
|
|
void CGUITabControl::setTabMaxWidth(s32 width )
|
|
{
|
|
TabMaxWidth = width;
|
|
}
|
|
|
|
//! get the maximal width of a tab
|
|
s32 CGUITabControl::getTabMaxWidth() const
|
|
{
|
|
return TabMaxWidth;
|
|
}
|
|
|
|
|
|
//! Set the extra width added to tabs on each side of the text
|
|
void CGUITabControl::setTabExtraWidth( s32 extraWidth )
|
|
{
|
|
if ( extraWidth < 0 )
|
|
extraWidth = 0;
|
|
|
|
TabExtraWidth = extraWidth;
|
|
|
|
recalculateScrollBar();
|
|
}
|
|
|
|
|
|
//! Get the extra width added to tabs on each side of the text
|
|
s32 CGUITabControl::getTabExtraWidth() const
|
|
{
|
|
return TabExtraWidth;
|
|
}
|
|
|
|
|
|
void CGUITabControl::recalculateScrollBar()
|
|
{
|
|
if (!UpButton || !DownButton)
|
|
return;
|
|
|
|
ScrollControl = needScrollControl() || CurrentScrollTabIndex > 0;
|
|
|
|
if (ScrollControl)
|
|
{
|
|
UpButton->setVisible( true );
|
|
DownButton->setVisible( true );
|
|
}
|
|
else
|
|
{
|
|
UpButton->setVisible( false );
|
|
DownButton->setVisible( false );
|
|
}
|
|
|
|
bringToFront( UpButton );
|
|
bringToFront( DownButton );
|
|
}
|
|
|
|
//! Set the alignment of the tabs
|
|
void CGUITabControl::setTabVerticalAlignment( EGUI_ALIGNMENT alignment )
|
|
{
|
|
VerticalAlignment = alignment;
|
|
|
|
recalculateScrollButtonPlacement();
|
|
recalculateScrollBar();
|
|
|
|
core::rect<s32> r(calcTabPos());
|
|
for ( u32 i=0; i<Tabs.size(); ++i )
|
|
{
|
|
Tabs[i]->setRelativePosition(r);
|
|
}
|
|
}
|
|
|
|
void CGUITabControl::recalculateScrollButtonPlacement()
|
|
{
|
|
IGUISkin* skin = Environment->getSkin();
|
|
s32 ButtonSize = 16;
|
|
s32 ButtonHeight = TabHeight - 2;
|
|
if ( ButtonHeight < 0 )
|
|
ButtonHeight = TabHeight;
|
|
if (skin)
|
|
{
|
|
ButtonSize = skin->getSize(EGDS_WINDOW_BUTTON_WIDTH);
|
|
if (ButtonSize > TabHeight)
|
|
ButtonSize = TabHeight;
|
|
}
|
|
|
|
s32 ButtonX = RelativeRect.getWidth() - (s32)(2.5f*(f32)ButtonSize) - 1;
|
|
s32 ButtonY = 0;
|
|
|
|
if (VerticalAlignment == EGUIA_UPPERLEFT)
|
|
{
|
|
ButtonY = 2 + (TabHeight / 2) - (ButtonHeight / 2);
|
|
UpButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
|
|
DownButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
|
|
}
|
|
else
|
|
{
|
|
ButtonY = RelativeRect.getHeight() - (TabHeight / 2) - (ButtonHeight / 2) - 2;
|
|
UpButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT);
|
|
DownButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT);
|
|
}
|
|
|
|
UpButton->setRelativePosition(core::rect<s32>(ButtonX, ButtonY, ButtonX+ButtonSize, ButtonY+ButtonHeight));
|
|
ButtonX += ButtonSize + 1;
|
|
DownButton->setRelativePosition(core::rect<s32>(ButtonX, ButtonY, ButtonX+ButtonSize, ButtonY+ButtonHeight));
|
|
}
|
|
|
|
//! Get the alignment of the tabs
|
|
EGUI_ALIGNMENT CGUITabControl::getTabVerticalAlignment() const
|
|
{
|
|
return VerticalAlignment;
|
|
}
|
|
|
|
|
|
s32 CGUITabControl::getTabAt(s32 xpos, s32 ypos) const
|
|
{
|
|
core::position2di p(xpos, ypos);
|
|
IGUISkin* skin = Environment->getSkin();
|
|
IGUIFont* font = skin->getFont();
|
|
|
|
core::rect<s32> frameRect(AbsoluteRect);
|
|
|
|
if ( VerticalAlignment == EGUIA_UPPERLEFT )
|
|
{
|
|
frameRect.UpperLeftCorner.Y += 2;
|
|
frameRect.LowerRightCorner.Y = frameRect.UpperLeftCorner.Y + TabHeight;
|
|
}
|
|
else
|
|
{
|
|
frameRect.UpperLeftCorner.Y = frameRect.LowerRightCorner.Y - TabHeight;
|
|
}
|
|
|
|
s32 pos = frameRect.UpperLeftCorner.X + 2;
|
|
|
|
if (!frameRect.isPointInside(p))
|
|
return -1;
|
|
|
|
for (s32 i=CurrentScrollTabIndex; i<(s32)Tabs.size(); ++i)
|
|
{
|
|
// get Text
|
|
const wchar_t* text = 0;
|
|
if (Tabs[i])
|
|
text = Tabs[i]->getText();
|
|
|
|
// get text length
|
|
s32 len = calcTabWidth(pos, font, text, true);
|
|
if ( ScrollControl && pos+len > UpButton->getAbsolutePosition().UpperLeftCorner.X - 2 )
|
|
return -1;
|
|
|
|
frameRect.UpperLeftCorner.X = pos;
|
|
frameRect.LowerRightCorner.X = frameRect.UpperLeftCorner.X + len;
|
|
|
|
pos += len;
|
|
|
|
if (frameRect.isPointInside(p))
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
//! Returns which tab is currently active
|
|
s32 CGUITabControl::getActiveTab() const
|
|
{
|
|
return ActiveTab;
|
|
}
|
|
|
|
|
|
//! Brings a tab to front.
|
|
bool CGUITabControl::setActiveTab(s32 idx)
|
|
{
|
|
if ((u32)idx >= Tabs.size())
|
|
return false;
|
|
|
|
bool changed = (ActiveTab != idx);
|
|
|
|
ActiveTab = idx;
|
|
|
|
for (s32 i=0; i<(s32)Tabs.size(); ++i)
|
|
if (Tabs[i])
|
|
Tabs[i]->setVisible( i == ActiveTab );
|
|
|
|
if (changed)
|
|
{
|
|
SEvent event;
|
|
event.EventType = EET_GUI_EVENT;
|
|
event.GUIEvent.Caller = this;
|
|
event.GUIEvent.Element = 0;
|
|
event.GUIEvent.EventType = EGET_TAB_CHANGED;
|
|
Parent->OnEvent(event);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool CGUITabControl::setActiveTab(IGUITab *tab)
|
|
{
|
|
for (s32 i=0; i<(s32)Tabs.size(); ++i)
|
|
if (Tabs[i] == tab)
|
|
return setActiveTab(i);
|
|
return false;
|
|
}
|
|
|
|
|
|
//! Removes a child.
|
|
void CGUITabControl::removeChild(IGUIElement* child)
|
|
{
|
|
bool isTab = false;
|
|
|
|
u32 i=0;
|
|
// check if it is a tab
|
|
while (i<Tabs.size())
|
|
{
|
|
if (Tabs[i] == child)
|
|
{
|
|
Tabs[i]->drop();
|
|
Tabs.erase(i);
|
|
isTab = true;
|
|
}
|
|
else
|
|
++i;
|
|
}
|
|
|
|
// reassign numbers
|
|
if (isTab)
|
|
{
|
|
for (i=0; i<Tabs.size(); ++i)
|
|
if (Tabs[i])
|
|
Tabs[i]->setNumber(i);
|
|
}
|
|
|
|
// remove real element
|
|
IGUIElement::removeChild(child);
|
|
|
|
recalculateScrollBar();
|
|
}
|
|
|
|
|
|
//! Update the position of the element, decides scroll button status
|
|
void CGUITabControl::updateAbsolutePosition()
|
|
{
|
|
IGUIElement::updateAbsolutePosition();
|
|
recalculateScrollBar();
|
|
}
|
|
|
|
|
|
//! Writes attributes of the element.
|
|
void CGUITabControl::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const
|
|
{
|
|
IGUITabControl::serializeAttributes(out,options);
|
|
|
|
out->addInt ("ActiveTab", ActiveTab);
|
|
out->addBool("Border", Border);
|
|
out->addBool("FillBackground", FillBackground);
|
|
out->addInt ("TabHeight", TabHeight);
|
|
out->addInt ("TabMaxWidth", TabMaxWidth);
|
|
out->addEnum("TabVerticalAlignment", s32(VerticalAlignment), GUIAlignmentNames);
|
|
}
|
|
|
|
|
|
//! Reads attributes of the element
|
|
void CGUITabControl::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)
|
|
{
|
|
Border = in->getAttributeAsBool("Border");
|
|
FillBackground = in->getAttributeAsBool("FillBackground");
|
|
|
|
ActiveTab = -1;
|
|
|
|
setTabHeight(in->getAttributeAsInt("TabHeight"));
|
|
TabMaxWidth = in->getAttributeAsInt("TabMaxWidth");
|
|
|
|
IGUITabControl::deserializeAttributes(in,options);
|
|
|
|
setActiveTab(in->getAttributeAsInt("ActiveTab"));
|
|
setTabVerticalAlignment( static_cast<EGUI_ALIGNMENT>(in->getAttributeAsEnumeration("TabVerticalAlignment" , GUIAlignmentNames)) );
|
|
}
|
|
|
|
|
|
} // end namespace irr
|
|
} // end namespace gui
|
|
|
|
#endif // _IRR_COMPILE_WITH_GUI_
|
|
|