diff options
Diffstat (limited to 'indra/llui/llflatlistview.cpp')
| -rw-r--r-- | indra/llui/llflatlistview.cpp | 195 |
1 files changed, 136 insertions, 59 deletions
diff --git a/indra/llui/llflatlistview.cpp b/indra/llui/llflatlistview.cpp index bea2572ff8..97a52fada4 100644 --- a/indra/llui/llflatlistview.cpp +++ b/indra/llui/llflatlistview.cpp @@ -2,31 +2,25 @@ * @file llflatlistview.cpp * @brief LLFlatListView base class and extension to support messages for several cases of an empty list. * - * $LicenseInfo:firstyear=2009&license=viewergpl$ - * - * Copyright (c) 2009-2010, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * 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 + * Copyright (C) 2010, Linden Research, Inc. * - * 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 + * 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. * - * 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. + * 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. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * 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 * $/LicenseInfo$ */ @@ -50,14 +44,21 @@ LLFlatListView::Params::Params() allow_select("allow_select"), multi_select("multi_select"), keep_one_selected("keep_one_selected"), + keep_selection_visible_on_reshape("keep_selection_visible_on_reshape",false), no_items_text("no_items_text") {}; void LLFlatListView::reshape(S32 width, S32 height, BOOL called_from_parent /* = TRUE */) { + S32 delta = height - getRect().getHeight(); LLScrollContainer::reshape(width, height, called_from_parent); setItemsNoScrollWidth(width); rearrangeItems(); + + if(delta!= 0 && mKeepSelectionVisibleOnReshape) + { + ensureSelectedVisible(); + } } const LLRect& LLFlatListView::getItemsRect() const @@ -150,7 +151,7 @@ bool LLFlatListView::insertItemAfter(LLPanel* after_item, LLPanel* item_to_add, } -bool LLFlatListView::removeItem(LLPanel* item) +bool LLFlatListView::removeItem(LLPanel* item, bool rearrange) { if (!item) return false; if (item->getParent() != mItemsPanel) return false; @@ -158,22 +159,22 @@ bool LLFlatListView::removeItem(LLPanel* item) item_pair_t* item_pair = getItemPair(item); if (!item_pair) return false; - return removeItemPair(item_pair); + return removeItemPair(item_pair, rearrange); } -bool LLFlatListView::removeItemByValue(const LLSD& value) +bool LLFlatListView::removeItemByValue(const LLSD& value, bool rearrange) { if (value.isUndefined()) return false; item_pair_t* item_pair = getItemPair(value); if (!item_pair) return false; - return removeItemPair(item_pair); + return removeItemPair(item_pair, rearrange); } -bool LLFlatListView::removeItemByUUID(const LLUUID& uuid) +bool LLFlatListView::removeItemByUUID(const LLUUID& uuid, bool rearrange) { - return removeItemByValue(LLSD(uuid)); + return removeItemByValue(LLSD(uuid), rearrange); } LLPanel* LLFlatListView::getItemByValue(const LLSD& value) const @@ -320,6 +321,9 @@ U32 LLFlatListView::size(const bool only_visible_items) const void LLFlatListView::clear() { + // This will clear mSelectedItemPairs, calling all appropriate callbacks. + resetSelection(); + // do not use LLView::deleteAllChildren to avoid removing nonvisible items. drag-n-drop for ex. for (pairs_iterator_t it = mItemPairs.begin(); it != mItemPairs.end(); ++it) { @@ -328,7 +332,6 @@ void LLFlatListView::clear() delete *it; } mItemPairs.clear(); - mSelectedItemPairs.clear(); // also set items panel height to zero. Reshape it to allow reshaping of non-item children LLRect rc = mItemsPanel->getRect(); @@ -379,6 +382,8 @@ LLFlatListView::LLFlatListView(const LLFlatListView::Params& p) , mCommitOnSelectionChange(false) , mPrevNotifyParentRect(LLRect()) , mNoItemsCommentTextbox(NULL) + , mIsConsecutiveSelection(false) + , mKeepSelectionVisibleOnReshape(p.keep_selection_visible_on_reshape) { mBorderThickness = getBorderWidth(); @@ -536,6 +541,7 @@ void LLFlatListView::onItemMouseClick(item_pair_t* item_pair, MASK mask) return; bool grab_items = false; + bool reverse = false; pairs_list_t pairs_to_select; // Pick out items from list between last selected and current clicked item_pair. @@ -547,6 +553,8 @@ void LLFlatListView::onItemMouseClick(item_pair_t* item_pair, MASK mask) item_pair_t* cur = *iter; if (cur == last_selected_pair || cur == item_pair) { + // We've got reverse selection if last grabed item isn't a new selection. + reverse = grab_items && (cur != item_pair); grab_items = !grab_items; // Skip last selected and current clicked item pairs. continue; @@ -562,33 +570,48 @@ void LLFlatListView::onItemMouseClick(item_pair_t* item_pair, MASK mask) } } - if (select_item) + if (reverse) { - pairs_to_select.push_back(item_pair); + pairs_to_select.reverse(); } + pairs_to_select.push_back(item_pair); + for (pairs_iterator_t iter = pairs_to_select.begin(), iter_end = pairs_to_select.end(); iter != iter_end; ++iter) { item_pair_t* pair_to_select = *iter; - selectItemPair(pair_to_select, true); + if (isSelected(pair_to_select)) + { + // Item was already selected but there is a need to keep order from last selected pair to new selection. + // Do it here to prevent extra mCommitOnSelectionChange in selectItemPair(). + mSelectedItemPairs.remove(pair_to_select); + mSelectedItemPairs.push_back(pair_to_select); + } + else + { + selectItemPair(pair_to_select, true); + } } if (!select_item) { - // Item was already selected but there is a need to update last selected item and its border. - // Do it here to prevent extra mCommitOnSelectionChange in selectItemPair(). - mSelectedItemPairs.remove(item_pair); - mSelectedItemPairs.push_back(item_pair); + // Update last selected item border. mSelectedItemsBorder->setRect(getLastSelectedItemRect().stretch(-1)); } return; } - if (!(mask & MASK_CONTROL) || !mMultipleSelection) resetSelection(); + //no need to do additional commit on selection reset + if (!(mask & MASK_CONTROL) || !mMultipleSelection) resetSelection(true); + + //only CTRL usage allows to deselect an item, usual clicking on an item cannot deselect it + if (mask & MASK_CONTROL) selectItemPair(item_pair, select_item); + else + selectItemPair(item_pair, true); } void LLFlatListView::onItemRightMouseClick(item_pair_t* item_pair, MASK mask) @@ -640,6 +663,14 @@ BOOL LLFlatListView::handleKeyHere(KEY key, MASK mask) } break; } + case KEY_ESCAPE: + { + if (mask == MASK_NONE) + { + setFocus(FALSE); // pass focus to the game area (EXT-8357) + } + break; + } default: break; } @@ -749,10 +780,24 @@ bool LLFlatListView::selectItemPair(item_pair_t* item_pair, bool select) // Stretch selected item rect to ensure it won't be clipped mSelectedItemsBorder->setRect(getLastSelectedItemRect().stretch(-1)); + // By default mark it as not consecutive selection + mIsConsecutiveSelection = false; return true; } +void LLFlatListView::scrollToShowFirstSelectedItem() +{ + if (!mSelectedItemPairs.size()) return; + + LLRect selected_rc = mSelectedItemPairs.front()->first->getRect(); + + if (selected_rc.isValid()) + { + scrollToShowRect(selected_rc); + } +} + LLRect LLFlatListView::getLastSelectedItemRect() { if (!mSelectedItemPairs.size()) @@ -823,6 +868,17 @@ bool LLFlatListView::selectNextItemPair(bool is_up_direction, bool reset_selecti if ( 0 == size() ) return false; + if (!mIsConsecutiveSelection) + { + // Leave only one item selected if list has not consecutive selection + if (mSelectedItemPairs.size() && !reset_selection) + { + item_pair_t* cur_sel_pair = mSelectedItemPairs.back(); + resetSelection(); + selectItemPair (cur_sel_pair, true); + } + } + if ( mSelectedItemPairs.size() ) { item_pair_t* to_sel_pair = NULL; @@ -877,6 +933,8 @@ bool LLFlatListView::selectNextItemPair(bool is_up_direction, bool reset_selecti } // Select/Deselect next item selectItemPair(select ? to_sel_pair : cur_sel_pair, select); + // Mark it as consecutive selection + mIsConsecutiveSelection = true; return true; } } @@ -888,6 +946,8 @@ bool LLFlatListView::selectNextItemPair(bool is_up_direction, bool reset_selecti selectLastItem(); else selectFirstItem(); + // Mark it as consecutive selection + mIsConsecutiveSelection = true; return true; } @@ -932,11 +992,12 @@ bool LLFlatListView::isSelected(item_pair_t* item_pair) const return std::find(mSelectedItemPairs.begin(), it_end, item_pair) != it_end; } -bool LLFlatListView::removeItemPair(item_pair_t* item_pair) +bool LLFlatListView::removeItemPair(item_pair_t* item_pair, bool rearrange) { llassert(item_pair); bool deleted = false; + bool selection_changed = false; for (pairs_iterator_t it = mItemPairs.begin(); it != mItemPairs.end(); ++it) { item_pair_t* _item_pair = *it; @@ -956,6 +1017,7 @@ bool LLFlatListView::removeItemPair(item_pair_t* item_pair) if (selected_item_pair == item_pair) { it = mSelectedItemPairs.erase(it); + selection_changed = true; break; } } @@ -964,8 +1026,16 @@ bool LLFlatListView::removeItemPair(item_pair_t* item_pair) item_pair->first->die(); delete item_pair; + if (rearrange) + { rearrangeItems(); notifyParentItemsRectChanged(); + } + + if (selection_changed && mCommitOnSelectionChange) + { + onCommit(); + } return true; } @@ -1010,25 +1080,7 @@ void LLFlatListView::setNoItemsCommentVisible(bool visible) const { if (mNoItemsCommentTextbox) { - if (visible) - { -/* -// *NOTE: MA 2010-02-04 -// Deprecated after params of the comment text box were moved into widget (flat_list_view.xml) -// can be removed later if nothing happened. - // We have to update child rect here because of issues with rect after reshaping while creating LLTextbox - // It is possible to have invalid LLRect if Flat List is in LLAccordionTab - LLRect comment_rect = getLocalRect(); - - // To see comment correctly (EXT - 3244) in mNoItemsCommentTextbox we must get border width - // of LLFlatListView (@see getBorderWidth()) and stretch mNoItemsCommentTextbox to this width - // But getBorderWidth() returns 0 if LLFlatListView not visible. So we have to get border width - // from 'scroll_border' - LLViewBorder* scroll_border = getChild<LLViewBorder>("scroll border"); - comment_rect.stretch(-scroll_border->getBorderWidth()); - mNoItemsCommentTextbox->setRect(comment_rect); -*/ - } + mSelectedItemsBorder->setVisible(!visible); mNoItemsCommentTextbox->setVisible(visible); } } @@ -1058,7 +1110,10 @@ void LLFlatListView::getValues(std::vector<LLSD>& values) const // virtual void LLFlatListView::onFocusReceived() { + if (size()) + { mSelectedItemsBorder->setVisible(TRUE); + } gEditMenuHandler = this; } // virtual @@ -1188,6 +1243,8 @@ LLFlatListViewEx::LLFlatListViewEx(const Params& p) : LLFlatListView(p) , mNoFilteredItemsMsg(p.no_filtered_items_msg) , mNoItemsMsg(p.no_items_msg) +, mForceShowingUnmatchedItems(false) +, mHasMatchedItems(false) { } @@ -1212,6 +1269,16 @@ void LLFlatListViewEx::updateNoItemsMessage(const std::string& filter_string) } +bool LLFlatListViewEx::getForceShowingUnmatchedItems() +{ + return mForceShowingUnmatchedItems; +} + +void LLFlatListViewEx::setForceShowingUnmatchedItems(bool show) +{ + mForceShowingUnmatchedItems = show; +} + void LLFlatListViewEx::setFilterSubString(const std::string& filter_str) { if (0 != LLStringUtil::compareInsensitive(filter_str, mFilterSubString)) @@ -1235,6 +1302,7 @@ void LLFlatListViewEx::filterItems() item_panel_list_t items; getItems(items); + mHasMatchedItems = false; for (item_panel_list_t::iterator iter = items.begin(), iter_end = items.end(); @@ -1245,18 +1313,27 @@ void LLFlatListViewEx::filterItems() // i.e. we don't hide items that don't support 'match_filter' action, separators etc. if (0 == pItem->notify(action)) { + mHasMatchedItems = true; pItem->setVisible(true); } else { // TODO: implement (re)storing of current selection. - selectItem(pItem, false); - pItem->setVisible(false); + if(!mForceShowingUnmatchedItems) + { + selectItem(pItem, false); + } + pItem->setVisible(mForceShowingUnmatchedItems); } } - rearrangeItems(); + sort(); notifyParentItemsRectChanged(); } +bool LLFlatListViewEx::hasMatchedItems() +{ + return mHasMatchedItems; +} + //EOF |