148 lines
3.6 KiB
C++
148 lines
3.6 KiB
C++
/**
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* @file lliconctrl.cpp
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* @brief LLIconCtrl base class
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "lliconctrl.h"
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// Linden library includes
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// Project includes
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#include "llcontrol.h"
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#include "llui.h"
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#include "lluictrlfactory.h"
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#include "lluiimage.h"
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#include "llwindow.h"
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static LLDefaultChildRegistry::Register<LLIconCtrl> r("icon");
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LLIconCtrl::Params::Params()
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: image("image_name"),
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color("color"),
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use_draw_context_alpha("use_draw_context_alpha", true),
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interactable("interactable", false),
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scale_image("scale_image"),
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min_width("min_width", 0),
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min_height("min_height", 0)
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{}
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LLIconCtrl::LLIconCtrl(const LLIconCtrl::Params& p)
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: LLUICtrl(p),
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mColor(p.color()),
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mImagep(p.image),
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mUseDrawContextAlpha(p.use_draw_context_alpha),
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mInteractable(p.interactable),
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mPriority(0),
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mMinWidth(p.min_width),
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mMinHeight(p.min_height),
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mMaxWidth(0),
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mMaxHeight(0)
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{
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if (mImagep.notNull())
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{
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LLUICtrl::setValue(mImagep->getName());
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}
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}
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LLIconCtrl::~LLIconCtrl()
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{
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mImagep = NULL;
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}
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void LLIconCtrl::draw()
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{
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if( mImagep.notNull() )
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{
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const F32 alpha = mUseDrawContextAlpha ? getDrawContext().mAlpha : getCurrentTransparency();
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mImagep->draw(getLocalRect(), mColor.get() % alpha );
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}
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LLUICtrl::draw();
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}
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BOOL LLIconCtrl::handleHover(S32 x, S32 y, MASK mask)
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{
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if (mInteractable && getEnabled())
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{
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getWindow()->setCursor(UI_CURSOR_HAND);
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return TRUE;
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}
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return LLUICtrl::handleHover(x, y, mask);
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}
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// virtual
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// value might be a string or a UUID
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void LLIconCtrl::setValue(const LLSD& value)
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{
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setValue(value, mPriority);
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}
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void LLIconCtrl::setValue(const LLSD& value, S32 priority)
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{
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LLSD tvalue(value);
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if (value.isString() && LLUUID::validate(value.asString()))
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{
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//RN: support UUIDs masquerading as strings
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tvalue = LLSD(LLUUID(value.asString()));
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}
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LLUICtrl::setValue(tvalue);
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if (tvalue.isUUID())
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{
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mImagep = LLUI::getUIImageByID(tvalue.asUUID(), priority);
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}
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else
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{
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mImagep = LLUI::getUIImage(tvalue.asString(), priority);
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}
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if(mImagep.notNull()
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&& mImagep->getImage().notNull()
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&& mMinWidth
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&& mMinHeight)
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{
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S32 desired_draw_width = llmax(mMinWidth, mImagep->getWidth());
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S32 desired_draw_height = llmax(mMinHeight, mImagep->getHeight());
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if (mMaxWidth && mMaxHeight)
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{
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desired_draw_width = llmin(desired_draw_width, mMaxWidth);
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desired_draw_height = llmin(desired_draw_height, mMaxHeight);
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}
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mImagep->getImage()->setKnownDrawSize(desired_draw_width, desired_draw_height);
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}
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}
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std::string LLIconCtrl::getImageName() const
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{
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if (getValue().isString())
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return getValue().asString();
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else
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return std::string();
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}
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