diff options
Diffstat (limited to 'indra/llui/llfocusmgr.cpp')
-rw-r--r-- | indra/llui/llfocusmgr.cpp | 620 |
1 files changed, 310 insertions, 310 deletions
diff --git a/indra/llui/llfocusmgr.cpp b/indra/llui/llfocusmgr.cpp index 3bc56a8360..5b7525daac 100644 --- a/indra/llui/llfocusmgr.cpp +++ b/indra/llui/llfocusmgr.cpp @@ -1,25 +1,25 @@ -/** +/** * @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 * $/LicenseInfo$ */ @@ -33,29 +33,29 @@ const F32 FOCUS_FADE_TIME = 0.3f; LLFocusableElement::LLFocusableElement() -: mFocusLostCallback(NULL), - mFocusReceivedCallback(NULL), - mFocusChangedCallback(NULL), - mTopLostCallback(NULL) +: mFocusLostCallback(NULL), + mFocusReceivedCallback(NULL), + mFocusChangedCallback(NULL), + mTopLostCallback(NULL) { } // virtual BOOL LLFocusableElement::handleKey(KEY key, MASK mask, BOOL called_from_parent) { - return FALSE; + return FALSE; } // virtual BOOL LLFocusableElement::handleKeyUp(KEY key, MASK mask, BOOL called_from_parent) { - return FALSE; + return FALSE; } // virtual BOOL LLFocusableElement::handleUnicodeChar(llwchar uni_char, BOOL called_from_parent) { - return FALSE; + return FALSE; } // virtual @@ -64,13 +64,13 @@ BOOL LLFocusableElement::handleUnicodeString(char *uni_str, bool editing, BOOL c return FALSE; } -// virtual +// virtual bool LLFocusableElement::wantsKeyUpKeyDown() const { return false; } -//virtual +//virtual bool LLFocusableElement::wantsReturnKey() const { return false; @@ -79,60 +79,60 @@ bool LLFocusableElement::wantsReturnKey() const // virtual LLFocusableElement::~LLFocusableElement() { - delete mFocusLostCallback; - delete mFocusReceivedCallback; - delete mFocusChangedCallback; - delete mTopLostCallback; + delete mFocusLostCallback; + delete mFocusReceivedCallback; + delete mFocusChangedCallback; + delete mTopLostCallback; } void LLFocusableElement::onFocusReceived() { - if (mFocusReceivedCallback) (*mFocusReceivedCallback)(this); - if (mFocusChangedCallback) (*mFocusChangedCallback)(this); + if (mFocusReceivedCallback) (*mFocusReceivedCallback)(this); + if (mFocusChangedCallback) (*mFocusChangedCallback)(this); } void LLFocusableElement::onFocusLost() { - if (mFocusLostCallback) (*mFocusLostCallback)(this); - if (mFocusChangedCallback) (*mFocusChangedCallback)(this); + if (mFocusLostCallback) (*mFocusLostCallback)(this); + if (mFocusChangedCallback) (*mFocusChangedCallback)(this); } void LLFocusableElement::onTopLost() { - if (mTopLostCallback) (*mTopLostCallback)(this); + if (mTopLostCallback) (*mTopLostCallback)(this); } BOOL LLFocusableElement::hasFocus() const { - return gFocusMgr.getKeyboardFocus() == this; + 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::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::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) +boost::signals2::connection LLFocusableElement::setFocusChangedCallback(const focus_signal_t::slot_type& cb) { - if (!mFocusChangedCallback) mFocusChangedCallback = new focus_signal_t(); - return mFocusChangedCallback->connect(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); +boost::signals2::connection LLFocusableElement::setTopLostCallback(const focus_signal_t::slot_type& cb) +{ + if (!mTopLostCallback) mTopLostCallback = new focus_signal_t(); + return mTopLostCallback->connect(cb); } @@ -141,283 +141,283 @@ 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; + // caching list of keyboard focus ancestors for calling onFocusReceived and onFocusLost + view_handle_list_t mCachedKeyboardFocusList; - focus_history_map_t mFocusHistory; + 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) +: 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; + mImpl->mFocusHistory.clear(); + delete mImpl; + mImpl = NULL; } void LLFocusMgr::releaseFocusIfNeeded( LLView* view ) { - if( childHasMouseCapture( view ) ) - { - setMouseCapture( NULL ); - } + if( childHasMouseCapture( view ) ) + { + setMouseCapture( NULL ); + } - if( childHasKeyboardFocus( view )) - { - if (view == mLockedView) - { - mLockedView = NULL; - setKeyboardFocus( NULL ); - } - else - { - setKeyboardFocus( mLockedView ); - } - } + if( childHasKeyboardFocus( view )) + { + if (view == mLockedView) + { + mLockedView = NULL; + setKeyboardFocus( NULL ); + } + else + { + setKeyboardFocus( mLockedView ); + } + } - LLUI::getInstance()->removePopup(view); + 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) + // 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) - { + 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; + 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; + 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; + 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; - } + // 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; - } + 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; - } + LLView* focus_view = dynamic_cast<LLView*>(mKeyboardFocus); + while( focus_view ) + { + if(focus_view->hasAccelerators()) + { + return true; + } - focus_view = focus_view->getParent(); - } - return false; + 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(); - } - - } + 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; - } + 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; + LLView* top_view = (LLView*)mTopCtrl; + while( top_view ) + { + if( top_view == parent ) + { + return TRUE; + } + top_view = top_view->getParent(); + } + return FALSE; } @@ -425,91 +425,91 @@ BOOL LLFocusMgr::childIsTopCtrl( const LLView* parent ) const // 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; + LLUICtrl* old_top = mTopCtrl; + if( new_top != old_top ) + { + mTopCtrl = new_top; - if (old_top) - { - old_top->onTopLost(); - } - } + if (old_top) + { + old_top->onTopLost(); + } + } } void LLFocusMgr::removeTopCtrlWithoutCallback( const LLUICtrl* top_view ) { - if( mTopCtrl == top_view ) - { - mTopCtrl = NULL; - } + if( mTopCtrl == top_view ) + { + mTopCtrl = NULL; + } } void LLFocusMgr::lockFocus() { - mLockedView = dynamic_cast<LLUICtrl*>(mKeyboardFocus); + mLockedView = dynamic_cast<LLUICtrl*>(mKeyboardFocus); } void LLFocusMgr::unlockFocus() { - mLockedView = NULL; + mLockedView = NULL; } F32 LLFocusMgr::getFocusFlashAmt() const { - return clamp_rescale(mFocusFlashTimer.getElapsedTimeF32(), 0.f, FOCUS_FADE_TIME, 1.f, 0.f); + 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; + 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(); + 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; +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; + 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()); - } + if (subtree_root) + { + mImpl->mFocusHistory.erase(subtree_root->getHandle()); + } } |