179 lines
4.3 KiB
C++
179 lines
4.3 KiB
C++
/**
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* @file lltextbox.cpp
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* @brief A text display widget
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "lltextbox.h"
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#include "lluictrlfactory.h"
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#include "llfocusmgr.h"
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#include "llwindow.h"
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#include "llurlregistry.h"
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#include "llstyle.h"
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static LLDefaultChildRegistry::Register<LLTextBox> r("text");
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LLTextBox::LLTextBox(const LLTextBox::Params& p)
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: LLTextBase(p),
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mClickedCallback(NULL)
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{}
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BOOL LLTextBox::handleMouseDown(S32 x, S32 y, MASK mask)
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{
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BOOL handled = FALSE;
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// HACK: Only do this if there actually is something to click, so that
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// overly large text boxes in the older UI won't start eating clicks.
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if (isClickable())
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{
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handled = TRUE;
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// Route future Mouse messages here preemptively. (Release on mouse up.)
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gFocusMgr.setMouseCapture( this );
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if (getSoundFlags() & MOUSE_DOWN)
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{
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make_ui_sound("UISndClick");
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}
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}
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if (!handled)
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{
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handled = LLTextBase::handleMouseDown(x, y, mask);
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}
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return handled;
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}
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BOOL LLTextBox::handleMouseUp(S32 x, S32 y, MASK mask)
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{
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BOOL handled = FALSE;
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// We only handle the click if the click both started and ended within us
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// HACK: Only do this if there actually is something to click, so that
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// overly large text boxes in the older UI won't start eating clicks.
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if (isClickable() && hasMouseCapture())
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{
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handled = TRUE;
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// Release the mouse
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gFocusMgr.setMouseCapture( NULL );
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if (getSoundFlags() & MOUSE_UP)
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{
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make_ui_sound("UISndClickRelease");
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}
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// handle clicks on Urls in the textbox first
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handled = LLTextBase::handleMouseUp(x, y, mask);
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// DO THIS AT THE VERY END to allow the button to be destroyed
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// as a result of being clicked. If mouseup in the widget,
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// it's been clicked
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if (mClickedCallback && !handled)
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{
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mClickedCallback();
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}
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}
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return handled;
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}
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void LLTextBox::setText(const LLStringExplicit& text)
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{
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// does string argument insertion
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mText.assign(text);
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LLTextBase::setText(mText.getString());
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}
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S32 LLTextBox::getTextPixelWidth()
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{
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return getContentsRect().getWidth();
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}
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S32 LLTextBox::getTextPixelHeight()
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{
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return getContentsRect().getHeight();
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}
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BOOL LLTextBox::setTextArg( const std::string& key, const LLStringExplicit& text )
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{
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mText.setArg(key, text);
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LLTextBase::setText(mText.getString());
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return TRUE;
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}
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void LLTextBox::reshapeToFitText()
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{
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reflow();
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S32 width = getTextPixelWidth();
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S32 height = getTextPixelHeight();
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reshape( width + 2 * mHPad, height + 2 * mVPad, FALSE );
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}
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void LLTextBox::onUrlLabelUpdated(const std::string &url, const std::string &label)
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{
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needsReflow();
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}
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bool LLTextBox::isClickable() const
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{
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// return true if we have been given a click callback
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if (mClickedCallback)
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{
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return true;
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}
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// also return true if we have a clickable Url in the text
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segment_set_t::const_iterator it;
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for (it = mSegments.begin(); it != mSegments.end(); ++it)
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{
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LLTextSegmentPtr segmentp = *it;
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if (segmentp)
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{
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const LLStyleSP style = segmentp->getStyle();
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if (style && style->isLink())
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{
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return true;
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}
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}
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}
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// otherwise there is nothing clickable here
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return false;
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}
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