llcheckboxctrl.cpp
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上传日期:2021-03-01
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- /**
- * @file llcheckboxctrl.cpp
- * @brief LLCheckBoxCtrl base class
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- // The mutants are coming!
- #include "linden_common.h"
- #define LLCHECKBOXCTRL_CPP
- #include "llcheckboxctrl.h"
- #include "llgl.h"
- #include "llui.h"
- #include "lluiconstants.h"
- #include "lluictrlfactory.h"
- #include "llcontrol.h"
- #include "llstring.h"
- #include "llfontgl.h"
- #include "lltextbox.h"
- #include "llkeyboard.h"
- const U32 MAX_STRING_LENGTH = 10;
- static LLDefaultChildRegistry::Register<LLCheckBoxCtrl> r("check_box");
- // Compiler optimization, generate extern template
- template class LLCheckBoxCtrl* LLView::getChild<class LLCheckBoxCtrl>(
- const std::string& name, BOOL recurse) const;
- LLCheckBoxCtrl::Params::Params()
- : text_enabled_color("text_enabled_color"),
- text_disabled_color("text_disabled_color"),
- initial_value("initial_value", false),
- label_text("label_text"),
- check_button("check_button"),
- radio_style("radio_style")
- {}
- LLCheckBoxCtrl::LLCheckBoxCtrl(const LLCheckBoxCtrl::Params& p)
- : LLUICtrl(p),
- mTextEnabledColor(p.text_enabled_color()),
- mTextDisabledColor(p.text_disabled_color()),
- mFont(p.font())
- {
- mViewModel->setValue(LLSD(p.initial_value));
- mViewModel->resetDirty();
- static LLUICachedControl<S32> llcheckboxctrl_spacing ("UICheckboxctrlSpacing", 0);
- static LLUICachedControl<S32> llcheckboxctrl_hpad ("UICheckboxctrlHPad", 0);
- static LLUICachedControl<S32> llcheckboxctrl_vpad ("UICheckboxctrlVPad", 0);
- static LLUICachedControl<S32> llcheckboxctrl_btn_size ("UICheckboxctrlBtnSize", 0);
- // must be big enough to hold all children
- setUseBoundingRect(TRUE);
- // Label (add a little space to make sure text actually renders)
- const S32 FUDGE = 10;
- S32 text_width = mFont->getWidth( p.label ) + FUDGE;
- S32 text_height = llround(mFont->getLineHeight());
- LLRect label_rect;
- label_rect.setOriginAndSize(
- llcheckboxctrl_hpad + llcheckboxctrl_btn_size + llcheckboxctrl_spacing,
- llcheckboxctrl_vpad + 1, // padding to get better alignment
- text_width + llcheckboxctrl_hpad,
- text_height );
- // *HACK Get rid of this with SL-55508...
- // this allows blank check boxes and radio boxes for now
- std::string local_label = p.label;
- if(local_label.empty())
- {
- local_label = " ";
- }
- LLTextBox::Params tbparams = p.label_text;
- tbparams.rect(label_rect);
- tbparams.initial_value(local_label);
- if (p.font.isProvided())
- {
- tbparams.font(p.font);
- }
- tbparams.text_color( p.enabled() ? p.text_enabled_color() : p.text_disabled_color() );
- mLabel = LLUICtrlFactory::create<LLTextBox> (tbparams);
- addChild(mLabel);
- // Button
- // Note: button cover the label by extending all the way to the right.
- LLRect btn_rect;
- btn_rect.setOriginAndSize(
- llcheckboxctrl_hpad,
- llcheckboxctrl_vpad,
- llcheckboxctrl_btn_size + llcheckboxctrl_spacing + text_width + llcheckboxctrl_hpad,
- llmax( text_height, llcheckboxctrl_btn_size() ) + llcheckboxctrl_vpad);
- std::string active_true_id, active_false_id;
- std::string inactive_true_id, inactive_false_id;
- LLButton::Params params = p.check_button;
- params.rect(btn_rect);
- //params.control_name(p.control_name);
- params.click_callback.function(boost::bind(&LLCheckBoxCtrl::onButtonPress, this, _2));
- params.commit_on_return(false);
- // Checkboxes only allow boolean initial values, but buttons can
- // take any LLSD.
- params.initial_value(LLSD(p.initial_value));
- params.follows.flags(FOLLOWS_LEFT | FOLLOWS_BOTTOM);
- mButton = LLUICtrlFactory::create<LLButton>(params);
- addChild(mButton);
- }
- LLCheckBoxCtrl::~LLCheckBoxCtrl()
- {
- // Children all cleaned up by default view destructor.
- }
- // static
- void LLCheckBoxCtrl::onButtonPress( const LLSD& data )
- {
- //if (mRadioStyle)
- //{
- // setValue(TRUE);
- //}
- onCommit();
- }
- void LLCheckBoxCtrl::onCommit()
- {
- if( getEnabled() )
- {
- setTentative(FALSE);
- setControlValue(getValue());
- LLUICtrl::onCommit();
- }
- }
- void LLCheckBoxCtrl::setEnabled(BOOL b)
- {
- LLView::setEnabled(b);
- if (b)
- {
- mLabel->setColor( mTextEnabledColor.get() );
- }
- else
- {
- mLabel->setColor( mTextDisabledColor.get() );
- }
- }
- void LLCheckBoxCtrl::clear()
- {
- setValue( FALSE );
- }
- void LLCheckBoxCtrl::reshape(S32 width, S32 height, BOOL called_from_parent)
- {
- //stretch or shrink bounding rectangle of label when rebuilding UI at new scale
- static LLUICachedControl<S32> llcheckboxctrl_spacing ("UICheckboxctrlSpacing", 0);
- static LLUICachedControl<S32> llcheckboxctrl_hpad ("UICheckboxctrlHPad", 0);
- static LLUICachedControl<S32> llcheckboxctrl_vpad ("UICheckboxctrlVPad", 0);
- static LLUICachedControl<S32> llcheckboxctrl_btn_size ("UICheckboxctrlBtnSize", 0);
- const S32 FUDGE = 10;
- S32 text_width = mFont->getWidth( mLabel->getText() ) + FUDGE;
- S32 text_height = llround(mFont->getLineHeight());
- LLRect label_rect;
- label_rect.setOriginAndSize(
- llcheckboxctrl_hpad + llcheckboxctrl_btn_size + llcheckboxctrl_spacing,
- llcheckboxctrl_vpad,
- text_width,
- text_height );
- mLabel->setRect(label_rect);
- LLRect btn_rect;
- btn_rect.setOriginAndSize(
- llcheckboxctrl_hpad,
- llcheckboxctrl_vpad,
- llcheckboxctrl_btn_size + llcheckboxctrl_spacing + text_width,
- llmax( text_height, llcheckboxctrl_btn_size() ) );
- mButton->setRect( btn_rect );
-
- LLUICtrl::reshape(width, height, called_from_parent);
- }
- //virtual
- void LLCheckBoxCtrl::setValue(const LLSD& value )
- {
- mButton->setValue( value );
- }
- //virtual
- LLSD LLCheckBoxCtrl::getValue() const
- {
- return mButton->getValue();
- }
- //virtual
- void LLCheckBoxCtrl::setTentative(BOOL b)
- {
- mButton->setTentative(b);
- }
- //virtual
- BOOL LLCheckBoxCtrl::getTentative() const
- {
- return mButton->getTentative();
- }
- void LLCheckBoxCtrl::setLabel( const LLStringExplicit& label )
- {
- mLabel->setText( label );
- reshape(getRect().getWidth(), getRect().getHeight(), FALSE);
- }
- std::string LLCheckBoxCtrl::getLabel() const
- {
- return mLabel->getText();
- }
- BOOL LLCheckBoxCtrl::setLabelArg( const std::string& key, const LLStringExplicit& text )
- {
- BOOL res = mLabel->setTextArg(key, text);
- reshape(getRect().getWidth(), getRect().getHeight(), FALSE);
- return res;
- }
- // virtual
- void LLCheckBoxCtrl::setControlName(const std::string& control_name, LLView* context)
- {
- mButton->setControlName(control_name, context);
- }
- // virtual Returns TRUE if the user has modified this control.
- BOOL LLCheckBoxCtrl::isDirty() const
- {
- if ( mButton )
- {
- return mButton->isDirty();
- }
- return FALSE; // Shouldn't get here
- }
- // virtual Clear dirty state
- void LLCheckBoxCtrl::resetDirty()
- {
- if ( mButton )
- {
- mButton->resetDirty();
- }
- }