diff options
Diffstat (limited to 'indra/llui/llmenugl.cpp')
| -rw-r--r-- | indra/llui/llmenugl.cpp | 266 |
1 files changed, 159 insertions, 107 deletions
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp index 46a7215707..a6cf86d9b8 100644 --- a/indra/llui/llmenugl.cpp +++ b/indra/llui/llmenugl.cpp @@ -2,31 +2,25 @@ * @file llmenugl.cpp * @brief LLMenuItemGL base class * - * $LicenseInfo:firstyear=2001&license=viewergpl$ + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. * - * Copyright (c) 2001-2009, 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. * - * 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 + * 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. * - * 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 + * 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 * - * 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. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -77,10 +71,6 @@ S32 MENU_BAR_WIDTH = 0; /// Local function declarations, constants, enums, and typedefs ///============================================================================ -const std::string SEPARATOR_NAME("separator"); -const std::string SEPARATOR_LABEL( "-----------" ); -const std::string VERTICAL_SEPARATOR_LABEL( "|" ); - const S32 LABEL_BOTTOM_PAD_PIXELS = 2; const U32 LEFT_PAD_PIXELS = 3; @@ -99,10 +89,14 @@ const U32 SEPARATOR_HEIGHT_PIXELS = 8; const S32 TEAROFF_SEPARATOR_HEIGHT_PIXELS = 10; const S32 MENU_ITEM_PADDING = 4; -const std::string BOOLEAN_TRUE_PREFIX( "\xE2\x9C\x94" ); // U+2714 HEAVY CHECK MARK -const std::string BRANCH_SUFFIX( "\xE2\x96\xB6" ); // U+25B6 BLACK RIGHT-POINTING TRIANGLE -const std::string ARROW_UP ("^^^^^^^"); -const std::string ARROW_DOWN("vvvvvvv"); +const std::string SEPARATOR_NAME("separator"); +const std::string SEPARATOR_LABEL( "-----------" ); +const std::string VERTICAL_SEPARATOR_LABEL( "|" ); + +const std::string LLMenuGL::BOOLEAN_TRUE_PREFIX( "\xE2\x9C\x94" ); // U+2714 HEAVY CHECK MARK +const std::string LLMenuGL::BRANCH_SUFFIX( "\xE2\x96\xB6" ); // U+25B6 BLACK RIGHT-POINTING TRIANGLE +const std::string LLMenuGL::ARROW_UP ("^^^^^^^"); +const std::string LLMenuGL::ARROW_DOWN("vvvvvvv"); const F32 MAX_MOUSE_SLOPE_SUB_MENU = 0.9f; @@ -921,7 +915,7 @@ void LLMenuItemCheckGL::setValue(const LLSD& value) LLUICtrl::setValue(value); if(value.asBoolean()) { - mDrawBoolLabel = BOOLEAN_TRUE_PREFIX; + mDrawBoolLabel = LLMenuGL::BOOLEAN_TRUE_PREFIX; } else { @@ -954,7 +948,7 @@ void LLMenuItemCheckGL::buildDrawLabel( void ) } if(getValue().asBoolean()) { - mDrawBoolLabel = BOOLEAN_TRUE_PREFIX; + mDrawBoolLabel = LLMenuGL::BOOLEAN_TRUE_PREFIX; } else { @@ -1064,7 +1058,7 @@ void LLMenuItemBranchGL::buildDrawLabel( void ) std::string st = mDrawAccelLabel; appendAcceleratorString( st ); mDrawAccelLabel = st; - mDrawBranchLabel = BRANCH_SUFFIX; + mDrawBranchLabel = LLMenuGL::BRANCH_SUFFIX; } void LLMenuItemBranchGL::onCommit( void ) @@ -1854,89 +1848,104 @@ BOOL LLMenuGL::isOpen() } } -void LLMenuGL::scrollItemsUp() + + +bool LLMenuGL::scrollItems(EScrollingDirection direction) { - // Slowing down the items scrolling when arrow button is held + // Slowing down items scrolling when arrow button is held if (mScrollItemsTimer.hasExpired() && NULL != mFirstVisibleItem) { mScrollItemsTimer.setTimerExpirySec(.033f); } else { - return; + return false; } - item_list_t::iterator cur_item_iter; - item_list_t::iterator prev_item_iter; - for (cur_item_iter = mItems.begin(), prev_item_iter = mItems.begin(); cur_item_iter != mItems.end(); cur_item_iter++) + switch (direction) { - if( (*cur_item_iter) == mFirstVisibleItem) + case SD_UP: + { + item_list_t::iterator cur_item_iter; + item_list_t::iterator prev_item_iter; + for (cur_item_iter = mItems.begin(), prev_item_iter = mItems.begin(); cur_item_iter != mItems.end(); cur_item_iter++) { - break; + if( (*cur_item_iter) == mFirstVisibleItem) + { + break; + } + if ((*cur_item_iter)->getVisible()) + { + prev_item_iter = cur_item_iter; + } } - if ((*cur_item_iter)->getVisible()) + + if ((*prev_item_iter)->getVisible()) { - prev_item_iter = cur_item_iter; + mFirstVisibleItem = *prev_item_iter; } + break; } - - if ((*prev_item_iter)->getVisible()) + case SD_DOWN: { - mFirstVisibleItem = *prev_item_iter; - } - - mNeedsArrange = TRUE; - arrangeAndClear(); -} - -void LLMenuGL::scrollItemsDown() -{ - // Slowing down the items scrolling when arrow button is held - if (mScrollItemsTimer.hasExpired()) - { - mScrollItemsTimer.setTimerExpirySec(.033f); - } - else - { - return; - } - - if (NULL == mFirstVisibleItem) - { - mFirstVisibleItem = *mItems.begin(); - } - - item_list_t::iterator cur_item_iter; - - for (cur_item_iter = mItems.begin(); cur_item_iter != mItems.end(); cur_item_iter++) - { - if( (*cur_item_iter) == mFirstVisibleItem) + if (NULL == mFirstVisibleItem) { - break; + mFirstVisibleItem = *mItems.begin(); } - } - item_list_t::iterator next_item_iter; + item_list_t::iterator cur_item_iter; - if (cur_item_iter != mItems.end()) - { - for (next_item_iter = ++cur_item_iter; next_item_iter != mItems.end(); next_item_iter++) + for (cur_item_iter = mItems.begin(); cur_item_iter != mItems.end(); cur_item_iter++) { - if( (*next_item_iter)->getVisible()) + if( (*cur_item_iter) == mFirstVisibleItem) { break; } } - - if (next_item_iter != mItems.end() && - (*next_item_iter)->getVisible()) + + item_list_t::iterator next_item_iter; + + if (cur_item_iter != mItems.end()) { - mFirstVisibleItem = *next_item_iter; + for (next_item_iter = ++cur_item_iter; next_item_iter != mItems.end(); next_item_iter++) + { + if( (*next_item_iter)->getVisible()) + { + break; + } + } + + if (next_item_iter != mItems.end() && + (*next_item_iter)->getVisible()) + { + mFirstVisibleItem = *next_item_iter; + } } + break; } - + case SD_BEGIN: + { + mFirstVisibleItem = *mItems.begin(); + break; + } + case SD_END: + { + item_list_t::reverse_iterator first_visible_item_iter = mItems.rend(); + + // Advance by mMaxScrollableItems back from the end of the list + // to make the last item visible. + std::advance(first_visible_item_iter, mMaxScrollableItems); + mFirstVisibleItem = *first_visible_item_iter; + break; + } + default: + llwarns << "Unknown scrolling direction: " << direction << llendl; + } + mNeedsArrange = TRUE; arrangeAndClear(); + + return true; } // rearrange the child rects so they fit the shape of the menu. @@ -2168,7 +2177,7 @@ void LLMenuGL::arrange( void ) LLMenuScrollItem::Params item_params; item_params.name(ARROW_UP); item_params.arrow_type(LLMenuScrollItem::ARROW_UP); - item_params.scroll_callback.function(boost::bind(&LLMenuGL::scrollItemsUp, this)); + item_params.scroll_callback.function(boost::bind(&LLMenuGL::scrollItems, this, SD_UP)); mArrowUpItem = LLUICtrlFactory::create<LLMenuScrollItem>(item_params); LLUICtrl::addChild(mArrowUpItem); @@ -2179,7 +2188,7 @@ void LLMenuGL::arrange( void ) LLMenuScrollItem::Params item_params; item_params.name(ARROW_DOWN); item_params.arrow_type(LLMenuScrollItem::ARROW_DOWN); - item_params.scroll_callback.function(boost::bind(&LLMenuGL::scrollItemsDown, this)); + item_params.scroll_callback.function(boost::bind(&LLMenuGL::scrollItems, this, SD_DOWN)); mArrowDownItem = LLUICtrlFactory::create<LLMenuScrollItem>(item_params); LLUICtrl::addChild(mArrowDownItem); @@ -2609,14 +2618,8 @@ LLMenuItemGL* LLMenuGL::highlightNextItem(LLMenuItemGL* cur_item, BOOL skip_disa ((LLFloater*)getParent())->setFocus(TRUE); } - item_list_t::iterator cur_item_iter; - for (cur_item_iter = mItems.begin(); cur_item_iter != mItems.end(); ++cur_item_iter) - { - if( (*cur_item_iter) == cur_item) - { - break; - } - } + // Current item position in the items list + item_list_t::iterator cur_item_iter = std::find(mItems.begin(), mItems.end(), cur_item); item_list_t::iterator next_item_iter; if (cur_item_iter == mItems.end()) @@ -2627,9 +2630,37 @@ LLMenuItemGL* LLMenuGL::highlightNextItem(LLMenuItemGL* cur_item, BOOL skip_disa { next_item_iter = cur_item_iter; next_item_iter++; + + // First visible item position in the items list + item_list_t::iterator first_visible_item_iter = std::find(mItems.begin(), mItems.end(), mFirstVisibleItem); + if (next_item_iter == mItems.end()) { next_item_iter = mItems.begin(); + + // If current item is the last in the list, the menu is scrolled to the beginning + // and the first item is highlighted. + if (mScrollable && !scrollItems(SD_BEGIN)) + { + return NULL; + } + } + // If current item is the last visible, the menu is scrolled one item down + // and the next item is highlighted. + else if (mScrollable && + (U32)std::abs(std::distance(first_visible_item_iter, next_item_iter)) >= mMaxScrollableItems) + { + // Call highlightNextItem() recursively only if the menu was successfully scrolled down. + // If scroll timer hasn't expired yet the menu won't be scrolled and calling + // highlightNextItem() will result in an endless recursion. + if (scrollItems(SD_DOWN)) + { + return highlightNextItem(cur_item, skip_disabled); + } + else + { + return NULL; + } } } @@ -2687,14 +2718,8 @@ LLMenuItemGL* LLMenuGL::highlightPrevItem(LLMenuItemGL* cur_item, BOOL skip_disa ((LLFloater*)getParent())->setFocus(TRUE); } - item_list_t::reverse_iterator cur_item_iter; - for (cur_item_iter = mItems.rbegin(); cur_item_iter != mItems.rend(); ++cur_item_iter) - { - if( (*cur_item_iter) == cur_item) - { - break; - } - } + // Current item reverse position from the end of the list + item_list_t::reverse_iterator cur_item_iter = std::find(mItems.rbegin(), mItems.rend(), cur_item); item_list_t::reverse_iterator prev_item_iter; if (cur_item_iter == mItems.rend()) @@ -2705,9 +2730,37 @@ LLMenuItemGL* LLMenuGL::highlightPrevItem(LLMenuItemGL* cur_item, BOOL skip_disa { prev_item_iter = cur_item_iter; prev_item_iter++; + + // First visible item reverse position in the items list + item_list_t::reverse_iterator first_visible_item_iter = std::find(mItems.rbegin(), mItems.rend(), mFirstVisibleItem); + if (prev_item_iter == mItems.rend()) { prev_item_iter = mItems.rbegin(); + + // If current item is the first in the list, the menu is scrolled to the end + // and the last item is highlighted. + if (mScrollable && !scrollItems(SD_END)) + { + return NULL; + } + } + // If current item is the first visible, the menu is scrolled one item up + // and the previous item is highlighted. + else if (mScrollable && + std::distance(first_visible_item_iter, cur_item_iter) <= 0) + { + // Call highlightNextItem() only if the menu was successfully scrolled up. + // If scroll timer hasn't expired yet the menu won't be scrolled and calling + // highlightNextItem() will result in an endless recursion. + if (scrollItems(SD_UP)) + { + return highlightPrevItem(cur_item, skip_disabled); + } + else + { + return NULL; + } } } @@ -2878,12 +2931,12 @@ BOOL LLMenuGL::handleScrollWheel( S32 x, S32 y, S32 clicks ) if( clicks > 0 ) { while( clicks-- ) - scrollItemsDown(); + scrollItems(SD_DOWN); } else { while( clicks++ ) - scrollItemsUp(); + scrollItems(SD_UP); } return TRUE; @@ -3744,8 +3797,7 @@ void LLContextMenuBranch::buildDrawLabel( void ) appendAcceleratorString( st ); mDrawAccelLabel = st; - // No special branch suffix - mDrawBranchLabel.clear(); + mDrawBranchLabel = LLMenuGL::BRANCH_SUFFIX; } void LLContextMenuBranch::showSubMenu() |