diff options
author | Ansariel <ansariel.hiller@phoenixviewer.com> | 2024-05-22 21:25:21 +0200 |
---|---|---|
committer | Andrey Lihatskiy <alihatskiy@productengine.com> | 2024-05-22 22:40:26 +0300 |
commit | e2e37cced861b98de8c1a7c9c0d3a50d2d90e433 (patch) | |
tree | 1bb897489ce524986f6196201c10ac0d8861aa5f /indra/llui/llfocusmgr.cpp | |
parent | 069ea06848f766466f1a281144c82a0f2bd79f3a (diff) |
Fix line endlings
Diffstat (limited to 'indra/llui/llfocusmgr.cpp')
-rw-r--r-- | indra/llui/llfocusmgr.cpp | 1018 |
1 files changed, 509 insertions, 509 deletions
diff --git a/indra/llui/llfocusmgr.cpp b/indra/llui/llfocusmgr.cpp index 02d02a15f4..937dde4def 100644 --- a/indra/llui/llfocusmgr.cpp +++ b/indra/llui/llfocusmgr.cpp @@ -1,509 +1,509 @@ -/**
- * @file llfocusmgr.cpp
- * @brief LLFocusMgr base class
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#include "llfocusmgr.h"
-#include "lluictrl.h"
-#include "v4color.h"
-
-const F32 FOCUS_FADE_TIME = 0.3f;
-
-LLFocusableElement::LLFocusableElement()
-: mFocusLostCallback(NULL),
- mFocusReceivedCallback(NULL),
- mFocusChangedCallback(NULL),
- mTopLostCallback(NULL)
-{
-}
-
-// virtual
-bool LLFocusableElement::handleKey(KEY key, MASK mask, bool called_from_parent)
-{
- return false;
-}
-
-// virtual
-bool LLFocusableElement::handleKeyUp(KEY key, MASK mask, bool called_from_parent)
-{
- return false;
-}
-
-// virtual
-bool LLFocusableElement::handleUnicodeChar(llwchar uni_char, bool called_from_parent)
-{
- return false;
-}
-
-// virtual
-bool LLFocusableElement::wantsKeyUpKeyDown() const
-{
- return false;
-}
-
-//virtual
-bool LLFocusableElement::wantsReturnKey() const
-{
- return false;
-}
-
-// virtual
-LLFocusableElement::~LLFocusableElement()
-{
- delete mFocusLostCallback;
- delete mFocusReceivedCallback;
- delete mFocusChangedCallback;
- delete mTopLostCallback;
-}
-
-void LLFocusableElement::onFocusReceived()
-{
- if (mFocusReceivedCallback) (*mFocusReceivedCallback)(this);
- if (mFocusChangedCallback) (*mFocusChangedCallback)(this);
-}
-
-void LLFocusableElement::onFocusLost()
-{
- if (mFocusLostCallback) (*mFocusLostCallback)(this);
- if (mFocusChangedCallback) (*mFocusChangedCallback)(this);
-}
-
-void LLFocusableElement::onTopLost()
-{
- if (mTopLostCallback) (*mTopLostCallback)(this);
-}
-
-bool LLFocusableElement::hasFocus() const
-{
- return gFocusMgr.getKeyboardFocus() == this;
-}
-
-void LLFocusableElement::setFocus(bool b)
-{
-}
-
-boost::signals2::connection LLFocusableElement::setFocusLostCallback( const focus_signal_t::slot_type& cb)
-{
- if (!mFocusLostCallback) mFocusLostCallback = new focus_signal_t();
- return mFocusLostCallback->connect(cb);
-}
-
-boost::signals2::connection LLFocusableElement::setFocusReceivedCallback(const focus_signal_t::slot_type& cb)
-{
- if (!mFocusReceivedCallback) mFocusReceivedCallback = new focus_signal_t();
- return mFocusReceivedCallback->connect(cb);
-}
-
-boost::signals2::connection LLFocusableElement::setFocusChangedCallback(const focus_signal_t::slot_type& cb)
-{
- if (!mFocusChangedCallback) mFocusChangedCallback = new focus_signal_t();
- return mFocusChangedCallback->connect(cb);
-}
-
-boost::signals2::connection LLFocusableElement::setTopLostCallback(const focus_signal_t::slot_type& cb)
-{
- if (!mTopLostCallback) mTopLostCallback = new focus_signal_t();
- return mTopLostCallback->connect(cb);
-}
-
-
-
-typedef std::list<LLHandle<LLView> > view_handle_list_t;
-typedef std::map<LLHandle<LLView>, LLHandle<LLView> > focus_history_map_t;
-struct LLFocusMgr::Impl
-{
- // caching list of keyboard focus ancestors for calling onFocusReceived and onFocusLost
- view_handle_list_t mCachedKeyboardFocusList;
-
- focus_history_map_t mFocusHistory;
-};
-
-LLFocusMgr gFocusMgr;
-
-LLFocusMgr::LLFocusMgr()
-: mLockedView( NULL ),
- mMouseCaptor( NULL ),
- mKeyboardFocus( NULL ),
- mLastKeyboardFocus( NULL ),
- mDefaultKeyboardFocus( NULL ),
- mKeystrokesOnly(false),
- mTopCtrl( NULL ),
- mAppHasFocus(true), // Macs don't seem to notify us that we've gotten focus, so default to true
- mImpl(new LLFocusMgr::Impl)
-{
-}
-
-LLFocusMgr::~LLFocusMgr()
-{
- mImpl->mFocusHistory.clear();
- delete mImpl;
- mImpl = NULL;
-}
-
-void LLFocusMgr::releaseFocusIfNeeded( LLView* view )
-{
- if( childHasMouseCapture( view ) )
- {
- setMouseCapture( NULL );
- }
-
- if( childHasKeyboardFocus( view ))
- {
- if (view == mLockedView)
- {
- mLockedView = NULL;
- setKeyboardFocus( NULL );
- }
- else
- {
- setKeyboardFocus( mLockedView );
- }
- }
-
- LLUI::getInstance()->removePopup(view);
-}
-
-void LLFocusMgr::setKeyboardFocus(LLFocusableElement* new_focus, bool lock, bool keystrokes_only)
-{
- // notes if keyboard focus is changed again (by onFocusLost/onFocusReceived)
- // making the rest of our processing unnecessary since it will already be
- // handled by the recursive call
- static bool focus_dirty;
- focus_dirty = false;
-
- if (mLockedView &&
- (new_focus == NULL ||
- (new_focus != mLockedView
- && dynamic_cast<LLView*>(new_focus)
- && !dynamic_cast<LLView*>(new_focus)->hasAncestor(mLockedView))))
- {
- // don't allow focus to go to anything that is not the locked focus
- // or one of its descendants
- return;
- }
-
- mKeystrokesOnly = keystrokes_only;
-
- if( new_focus != mKeyboardFocus )
- {
- mLastKeyboardFocus = mKeyboardFocus;
- mKeyboardFocus = new_focus;
-
- // list of the focus and it's ancestors
- view_handle_list_t old_focus_list = mImpl->mCachedKeyboardFocusList;
- view_handle_list_t new_focus_list;
-
- // walk up the tree to root and add all views to the new_focus_list
- for (LLView* ctrl = dynamic_cast<LLView*>(mKeyboardFocus); ctrl; ctrl = ctrl->getParent())
- {
- new_focus_list.push_back(ctrl->getHandle());
- }
-
- // remove all common ancestors since their focus is unchanged
- while (!new_focus_list.empty() &&
- !old_focus_list.empty() &&
- new_focus_list.back() == old_focus_list.back())
- {
- new_focus_list.pop_back();
- old_focus_list.pop_back();
- }
-
- // walk up the old focus branch calling onFocusLost
- // we bubble up the tree to release focus, and back down to add
- for (view_handle_list_t::iterator old_focus_iter = old_focus_list.begin();
- old_focus_iter != old_focus_list.end() && !focus_dirty;
- old_focus_iter++)
- {
- LLView* old_focus_view = old_focus_iter->get();
- if (old_focus_view)
- {
- mImpl->mCachedKeyboardFocusList.pop_front();
- old_focus_view->onFocusLost();
- }
- }
-
- // walk down the new focus branch calling onFocusReceived
- for (view_handle_list_t::reverse_iterator new_focus_riter = new_focus_list.rbegin();
- new_focus_riter != new_focus_list.rend() && !focus_dirty;
- new_focus_riter++)
- {
- LLView* new_focus_view = new_focus_riter->get();
- if (new_focus_view)
- {
- mImpl->mCachedKeyboardFocusList.push_front(new_focus_view->getHandle());
- new_focus_view->onFocusReceived();
- }
- }
-
- // if focus was changed as part of an onFocusLost or onFocusReceived call
- // stop iterating on current list since it is now invalid
- if (focus_dirty)
- {
- return;
- }
-
- // If we've got a default keyboard focus, and the caller is
- // releasing keyboard focus, move to the default.
- if (mDefaultKeyboardFocus != NULL && mKeyboardFocus == NULL)
- {
- mDefaultKeyboardFocus->setFocus(true);
- }
-
- LLView* focus_subtree = dynamic_cast<LLView*>(mKeyboardFocus);
- LLView* viewp = dynamic_cast<LLView*>(mKeyboardFocus);
- // find root-most focus root
- while(viewp)
- {
- if (viewp->isFocusRoot())
- {
- focus_subtree = viewp;
- }
- viewp = viewp->getParent();
- }
-
-
- if (focus_subtree)
- {
- LLView* focused_view = dynamic_cast<LLView*>(mKeyboardFocus);
- mImpl->mFocusHistory[focus_subtree->getHandle()] = focused_view ? focused_view->getHandle() : LLHandle<LLView>();
- }
- }
-
- if (lock)
- {
- lockFocus();
- }
-
- focus_dirty = true;
-}
-
-
-// Returns true is parent or any descedent of parent has keyboard focus.
-bool LLFocusMgr::childHasKeyboardFocus(const LLView* parent ) const
-{
- LLView* focus_view = dynamic_cast<LLView*>(mKeyboardFocus);
- while( focus_view )
- {
- if( focus_view == parent )
- {
- return true;
- }
- focus_view = focus_view->getParent();
- }
- return false;
-}
-
-// Returns true is parent or any descedent of parent is the mouse captor.
-bool LLFocusMgr::childHasMouseCapture( const LLView* parent ) const
-{
- if( mMouseCaptor && dynamic_cast<LLView*>(mMouseCaptor) != NULL )
- {
- LLView* captor_view = (LLView*)mMouseCaptor;
- while( captor_view )
- {
- if( captor_view == parent )
- {
- return true;
- }
- captor_view = captor_view->getParent();
- }
- }
- return false;
-}
-
-void LLFocusMgr::removeKeyboardFocusWithoutCallback( const LLFocusableElement* focus )
-{
- // should be ok to unlock here, as you have to know the locked view
- // in order to unlock it
- if (focus == mLockedView)
- {
- mLockedView = NULL;
- }
-
- if( mKeyboardFocus == focus )
- {
- mKeyboardFocus = NULL;
- }
-}
-
-bool LLFocusMgr::keyboardFocusHasAccelerators() const
-{
- LLView* focus_view = dynamic_cast<LLView*>(mKeyboardFocus);
- while( focus_view )
- {
- if(focus_view->hasAccelerators())
- {
- return true;
- }
-
- focus_view = focus_view->getParent();
- }
- return false;
-}
-
-void LLFocusMgr::setMouseCapture( LLMouseHandler* new_captor )
-{
- if( new_captor != mMouseCaptor )
- {
- LLMouseHandler* old_captor = mMouseCaptor;
- mMouseCaptor = new_captor;
-
- if (LLView::sDebugMouseHandling)
- {
- if (new_captor)
- {
- LL_INFOS() << "New mouse captor: " << new_captor->getName() << LL_ENDL;
- }
- else
- {
- LL_INFOS() << "New mouse captor: NULL" << LL_ENDL;
- }
- }
-
- if( old_captor )
- {
- old_captor->onMouseCaptureLost();
- }
-
- }
-}
-
-void LLFocusMgr::removeMouseCaptureWithoutCallback( const LLMouseHandler* captor )
-{
- if( mMouseCaptor == captor )
- {
- mMouseCaptor = NULL;
- }
-}
-
-
-bool LLFocusMgr::childIsTopCtrl( const LLView* parent ) const
-{
- LLView* top_view = (LLView*)mTopCtrl;
- while( top_view )
- {
- if( top_view == parent )
- {
- return true;
- }
- top_view = top_view->getParent();
- }
- return false;
-}
-
-
-
-// set new_top = NULL to release top_view.
-void LLFocusMgr::setTopCtrl( LLUICtrl* new_top )
-{
- LLUICtrl* old_top = mTopCtrl;
- if( new_top != old_top )
- {
- mTopCtrl = new_top;
-
- if (old_top)
- {
- old_top->onTopLost();
- }
- }
-}
-
-void LLFocusMgr::removeTopCtrlWithoutCallback( const LLUICtrl* top_view )
-{
- if( mTopCtrl == top_view )
- {
- mTopCtrl = NULL;
- }
-}
-
-void LLFocusMgr::lockFocus()
-{
- mLockedView = dynamic_cast<LLUICtrl*>(mKeyboardFocus);
-}
-
-void LLFocusMgr::unlockFocus()
-{
- mLockedView = NULL;
-}
-
-F32 LLFocusMgr::getFocusFlashAmt() const
-{
- return clamp_rescale(mFocusFlashTimer.getElapsedTimeF32(), 0.f, FOCUS_FADE_TIME, 1.f, 0.f);
-}
-
-LLColor4 LLFocusMgr::getFocusColor() const
-{
- static LLUIColor focus_color_cached = LLUIColorTable::instance().getColor("FocusColor");
- LLColor4 focus_color = lerp(focus_color_cached, LLColor4::white, getFocusFlashAmt());
- // de-emphasize keyboard focus when app has lost focus (to avoid typing into wrong window problem)
- if (!mAppHasFocus)
- {
- focus_color.mV[VALPHA] *= 0.4f;
- }
- return focus_color;
-}
-
-void LLFocusMgr::triggerFocusFlash()
-{
- mFocusFlashTimer.reset();
-}
-
-void LLFocusMgr::setAppHasFocus(bool focus)
-{
- if (!mAppHasFocus && focus)
- {
- triggerFocusFlash();
- }
-
- // release focus from "top ctrl"s, which generally hides them
- if (!focus)
- {
- LLUI::getInstance()->clearPopups();
- }
- mAppHasFocus = focus;
-}
-
-LLView* LLFocusMgr::getLastFocusForGroup(LLView* subtree_root) const
-{
- if (subtree_root)
- {
- focus_history_map_t::const_iterator found_it = mImpl->mFocusHistory.find(subtree_root->getHandle());
- if (found_it != mImpl->mFocusHistory.end())
- {
- // found last focus for this subtree
- return found_it->second.get();
- }
- }
- return NULL;
-}
-
-void LLFocusMgr::clearLastFocusForGroup(LLView* subtree_root)
-{
- if (subtree_root)
- {
- mImpl->mFocusHistory.erase(subtree_root->getHandle());
- }
-}
+/** + * @file llfocusmgr.cpp + * @brief LLFocusMgr base class + * + * $LicenseInfo:firstyear=2002&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "linden_common.h" + +#include "llfocusmgr.h" +#include "lluictrl.h" +#include "v4color.h" + +const F32 FOCUS_FADE_TIME = 0.3f; + +LLFocusableElement::LLFocusableElement() +: mFocusLostCallback(NULL), + mFocusReceivedCallback(NULL), + mFocusChangedCallback(NULL), + mTopLostCallback(NULL) +{ +} + +// virtual +bool LLFocusableElement::handleKey(KEY key, MASK mask, bool called_from_parent) +{ + return false; +} + +// virtual +bool LLFocusableElement::handleKeyUp(KEY key, MASK mask, bool called_from_parent) +{ + return false; +} + +// virtual +bool LLFocusableElement::handleUnicodeChar(llwchar uni_char, bool called_from_parent) +{ + return false; +} + +// virtual +bool LLFocusableElement::wantsKeyUpKeyDown() const +{ + return false; +} + +//virtual +bool LLFocusableElement::wantsReturnKey() const +{ + return false; +} + +// virtual +LLFocusableElement::~LLFocusableElement() +{ + delete mFocusLostCallback; + delete mFocusReceivedCallback; + delete mFocusChangedCallback; + delete mTopLostCallback; +} + +void LLFocusableElement::onFocusReceived() +{ + if (mFocusReceivedCallback) (*mFocusReceivedCallback)(this); + if (mFocusChangedCallback) (*mFocusChangedCallback)(this); +} + +void LLFocusableElement::onFocusLost() +{ + if (mFocusLostCallback) (*mFocusLostCallback)(this); + if (mFocusChangedCallback) (*mFocusChangedCallback)(this); +} + +void LLFocusableElement::onTopLost() +{ + if (mTopLostCallback) (*mTopLostCallback)(this); +} + +bool LLFocusableElement::hasFocus() const +{ + return gFocusMgr.getKeyboardFocus() == this; +} + +void LLFocusableElement::setFocus(bool b) +{ +} + +boost::signals2::connection LLFocusableElement::setFocusLostCallback( const focus_signal_t::slot_type& cb) +{ + if (!mFocusLostCallback) mFocusLostCallback = new focus_signal_t(); + return mFocusLostCallback->connect(cb); +} + +boost::signals2::connection LLFocusableElement::setFocusReceivedCallback(const focus_signal_t::slot_type& cb) +{ + if (!mFocusReceivedCallback) mFocusReceivedCallback = new focus_signal_t(); + return mFocusReceivedCallback->connect(cb); +} + +boost::signals2::connection LLFocusableElement::setFocusChangedCallback(const focus_signal_t::slot_type& cb) +{ + if (!mFocusChangedCallback) mFocusChangedCallback = new focus_signal_t(); + return mFocusChangedCallback->connect(cb); +} + +boost::signals2::connection LLFocusableElement::setTopLostCallback(const focus_signal_t::slot_type& cb) +{ + if (!mTopLostCallback) mTopLostCallback = new focus_signal_t(); + return mTopLostCallback->connect(cb); +} + + + +typedef std::list<LLHandle<LLView> > view_handle_list_t; +typedef std::map<LLHandle<LLView>, LLHandle<LLView> > focus_history_map_t; +struct LLFocusMgr::Impl +{ + // caching list of keyboard focus ancestors for calling onFocusReceived and onFocusLost + view_handle_list_t mCachedKeyboardFocusList; + + focus_history_map_t mFocusHistory; +}; + +LLFocusMgr gFocusMgr; + +LLFocusMgr::LLFocusMgr() +: mLockedView( NULL ), + mMouseCaptor( NULL ), + mKeyboardFocus( NULL ), + mLastKeyboardFocus( NULL ), + mDefaultKeyboardFocus( NULL ), + mKeystrokesOnly(false), + mTopCtrl( NULL ), + mAppHasFocus(true), // Macs don't seem to notify us that we've gotten focus, so default to true + mImpl(new LLFocusMgr::Impl) +{ +} + +LLFocusMgr::~LLFocusMgr() +{ + mImpl->mFocusHistory.clear(); + delete mImpl; + mImpl = NULL; +} + +void LLFocusMgr::releaseFocusIfNeeded( LLView* view ) +{ + if( childHasMouseCapture( view ) ) + { + setMouseCapture( NULL ); + } + + if( childHasKeyboardFocus( view )) + { + if (view == mLockedView) + { + mLockedView = NULL; + setKeyboardFocus( NULL ); + } + else + { + setKeyboardFocus( mLockedView ); + } + } + + LLUI::getInstance()->removePopup(view); +} + +void LLFocusMgr::setKeyboardFocus(LLFocusableElement* new_focus, bool lock, bool keystrokes_only) +{ + // notes if keyboard focus is changed again (by onFocusLost/onFocusReceived) + // making the rest of our processing unnecessary since it will already be + // handled by the recursive call + static bool focus_dirty; + focus_dirty = false; + + if (mLockedView && + (new_focus == NULL || + (new_focus != mLockedView + && dynamic_cast<LLView*>(new_focus) + && !dynamic_cast<LLView*>(new_focus)->hasAncestor(mLockedView)))) + { + // don't allow focus to go to anything that is not the locked focus + // or one of its descendants + return; + } + + mKeystrokesOnly = keystrokes_only; + + if( new_focus != mKeyboardFocus ) + { + mLastKeyboardFocus = mKeyboardFocus; + mKeyboardFocus = new_focus; + + // list of the focus and it's ancestors + view_handle_list_t old_focus_list = mImpl->mCachedKeyboardFocusList; + view_handle_list_t new_focus_list; + + // walk up the tree to root and add all views to the new_focus_list + for (LLView* ctrl = dynamic_cast<LLView*>(mKeyboardFocus); ctrl; ctrl = ctrl->getParent()) + { + new_focus_list.push_back(ctrl->getHandle()); + } + + // remove all common ancestors since their focus is unchanged + while (!new_focus_list.empty() && + !old_focus_list.empty() && + new_focus_list.back() == old_focus_list.back()) + { + new_focus_list.pop_back(); + old_focus_list.pop_back(); + } + + // walk up the old focus branch calling onFocusLost + // we bubble up the tree to release focus, and back down to add + for (view_handle_list_t::iterator old_focus_iter = old_focus_list.begin(); + old_focus_iter != old_focus_list.end() && !focus_dirty; + old_focus_iter++) + { + LLView* old_focus_view = old_focus_iter->get(); + if (old_focus_view) + { + mImpl->mCachedKeyboardFocusList.pop_front(); + old_focus_view->onFocusLost(); + } + } + + // walk down the new focus branch calling onFocusReceived + for (view_handle_list_t::reverse_iterator new_focus_riter = new_focus_list.rbegin(); + new_focus_riter != new_focus_list.rend() && !focus_dirty; + new_focus_riter++) + { + LLView* new_focus_view = new_focus_riter->get(); + if (new_focus_view) + { + mImpl->mCachedKeyboardFocusList.push_front(new_focus_view->getHandle()); + new_focus_view->onFocusReceived(); + } + } + + // if focus was changed as part of an onFocusLost or onFocusReceived call + // stop iterating on current list since it is now invalid + if (focus_dirty) + { + return; + } + + // If we've got a default keyboard focus, and the caller is + // releasing keyboard focus, move to the default. + if (mDefaultKeyboardFocus != NULL && mKeyboardFocus == NULL) + { + mDefaultKeyboardFocus->setFocus(true); + } + + LLView* focus_subtree = dynamic_cast<LLView*>(mKeyboardFocus); + LLView* viewp = dynamic_cast<LLView*>(mKeyboardFocus); + // find root-most focus root + while(viewp) + { + if (viewp->isFocusRoot()) + { + focus_subtree = viewp; + } + viewp = viewp->getParent(); + } + + + if (focus_subtree) + { + LLView* focused_view = dynamic_cast<LLView*>(mKeyboardFocus); + mImpl->mFocusHistory[focus_subtree->getHandle()] = focused_view ? focused_view->getHandle() : LLHandle<LLView>(); + } + } + + if (lock) + { + lockFocus(); + } + + focus_dirty = true; +} + + +// Returns true is parent or any descedent of parent has keyboard focus. +bool LLFocusMgr::childHasKeyboardFocus(const LLView* parent ) const +{ + LLView* focus_view = dynamic_cast<LLView*>(mKeyboardFocus); + while( focus_view ) + { + if( focus_view == parent ) + { + return true; + } + focus_view = focus_view->getParent(); + } + return false; +} + +// Returns true is parent or any descedent of parent is the mouse captor. +bool LLFocusMgr::childHasMouseCapture( const LLView* parent ) const +{ + if( mMouseCaptor && dynamic_cast<LLView*>(mMouseCaptor) != NULL ) + { + LLView* captor_view = (LLView*)mMouseCaptor; + while( captor_view ) + { + if( captor_view == parent ) + { + return true; + } + captor_view = captor_view->getParent(); + } + } + return false; +} + +void LLFocusMgr::removeKeyboardFocusWithoutCallback( const LLFocusableElement* focus ) +{ + // should be ok to unlock here, as you have to know the locked view + // in order to unlock it + if (focus == mLockedView) + { + mLockedView = NULL; + } + + if( mKeyboardFocus == focus ) + { + mKeyboardFocus = NULL; + } +} + +bool LLFocusMgr::keyboardFocusHasAccelerators() const +{ + LLView* focus_view = dynamic_cast<LLView*>(mKeyboardFocus); + while( focus_view ) + { + if(focus_view->hasAccelerators()) + { + return true; + } + + focus_view = focus_view->getParent(); + } + return false; +} + +void LLFocusMgr::setMouseCapture( LLMouseHandler* new_captor ) +{ + if( new_captor != mMouseCaptor ) + { + LLMouseHandler* old_captor = mMouseCaptor; + mMouseCaptor = new_captor; + + if (LLView::sDebugMouseHandling) + { + if (new_captor) + { + LL_INFOS() << "New mouse captor: " << new_captor->getName() << LL_ENDL; + } + else + { + LL_INFOS() << "New mouse captor: NULL" << LL_ENDL; + } + } + + if( old_captor ) + { + old_captor->onMouseCaptureLost(); + } + + } +} + +void LLFocusMgr::removeMouseCaptureWithoutCallback( const LLMouseHandler* captor ) +{ + if( mMouseCaptor == captor ) + { + mMouseCaptor = NULL; + } +} + + +bool LLFocusMgr::childIsTopCtrl( const LLView* parent ) const +{ + LLView* top_view = (LLView*)mTopCtrl; + while( top_view ) + { + if( top_view == parent ) + { + return true; + } + top_view = top_view->getParent(); + } + return false; +} + + + +// set new_top = NULL to release top_view. +void LLFocusMgr::setTopCtrl( LLUICtrl* new_top ) +{ + LLUICtrl* old_top = mTopCtrl; + if( new_top != old_top ) + { + mTopCtrl = new_top; + + if (old_top) + { + old_top->onTopLost(); + } + } +} + +void LLFocusMgr::removeTopCtrlWithoutCallback( const LLUICtrl* top_view ) +{ + if( mTopCtrl == top_view ) + { + mTopCtrl = NULL; + } +} + +void LLFocusMgr::lockFocus() +{ + mLockedView = dynamic_cast<LLUICtrl*>(mKeyboardFocus); +} + +void LLFocusMgr::unlockFocus() +{ + mLockedView = NULL; +} + +F32 LLFocusMgr::getFocusFlashAmt() const +{ + return clamp_rescale(mFocusFlashTimer.getElapsedTimeF32(), 0.f, FOCUS_FADE_TIME, 1.f, 0.f); +} + +LLColor4 LLFocusMgr::getFocusColor() const +{ + static LLUIColor focus_color_cached = LLUIColorTable::instance().getColor("FocusColor"); + LLColor4 focus_color = lerp(focus_color_cached, LLColor4::white, getFocusFlashAmt()); + // de-emphasize keyboard focus when app has lost focus (to avoid typing into wrong window problem) + if (!mAppHasFocus) + { + focus_color.mV[VALPHA] *= 0.4f; + } + return focus_color; +} + +void LLFocusMgr::triggerFocusFlash() +{ + mFocusFlashTimer.reset(); +} + +void LLFocusMgr::setAppHasFocus(bool focus) +{ + if (!mAppHasFocus && focus) + { + triggerFocusFlash(); + } + + // release focus from "top ctrl"s, which generally hides them + if (!focus) + { + LLUI::getInstance()->clearPopups(); + } + mAppHasFocus = focus; +} + +LLView* LLFocusMgr::getLastFocusForGroup(LLView* subtree_root) const +{ + if (subtree_root) + { + focus_history_map_t::const_iterator found_it = mImpl->mFocusHistory.find(subtree_root->getHandle()); + if (found_it != mImpl->mFocusHistory.end()) + { + // found last focus for this subtree + return found_it->second.get(); + } + } + return NULL; +} + +void LLFocusMgr::clearLastFocusForGroup(LLView* subtree_root) +{ + if (subtree_root) + { + mImpl->mFocusHistory.erase(subtree_root->getHandle()); + } +} |