mirror of
https://github.com/scummvm/scummvm.git
synced 2026-05-21 05:40:43 +00:00
Torbjörn Andersson
02b6e11e1c
Turns out my initial fix for bug #16698 was only enough to keep the search result in view. Clicking on it didn't work. Now it should.
609 lines
18 KiB
C++
609 lines
18 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "common/system.h"
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#include "common/frac.h"
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#include "common/tokenizer.h"
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#include "common/translation.h"
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#include "common/config-manager.h"
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#include "gui/widgets/groupedlist.h"
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#include "gui/widgets/scrollbar.h"
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#include "gui/dialog.h"
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#include "gui/gui-manager.h"
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#include "gui/animation/FluidScroll.h"
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#include "gui/ThemeEval.h"
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#define kGroupTag -2
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#define isGroupHeader(x) (_groupsVisible && ((x) <= kGroupTag))
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#define indexToGroupID(x) (kGroupTag - x)
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namespace GUI {
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GroupedListWidget::GroupedListWidget(Dialog *boss, const Common::String &name, const Common::U32String &tooltip, uint32 cmd)
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: ListWidget(boss, name, tooltip, cmd) {
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_groupsVisible = true;
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}
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void GroupedListWidget::setList(const Common::U32StringArray &list) {
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ListWidget::setList(list);
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_attributeValues.clear(); // Regenerate attributes for the new list
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groupByAttribute();
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scrollBarRecalc();
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}
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void GroupedListWidget::setAttributeValues(const Common::U32StringArray &attrValues) {
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_attributeValues = attrValues;
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// Make sure we always have the attribute values for all the entries of the _dataList.
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// This is not foolproof, but can prevent accidentally passing attributes for the wrong
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// list of entries, such as after adding / removing games.
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if (!attrValues.empty())
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assert(_attributeValues.size() == _dataList.size());
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}
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void GroupedListWidget::setMetadataNames(const Common::StringMap &metadata) {
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_metadataNames = metadata;
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}
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void GroupedListWidget::setGroupHeaderFormat(const Common::U32String &prefix, const Common::U32String &suffix) {
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_groupHeaderPrefix = prefix;
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_groupHeaderSuffix = suffix;
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}
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void GroupedListWidget::groupByAttribute() {
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_groupExpanded.clear();
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_groupHeaders.clear();
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_groupValueIndex.clear();
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_itemsInGroup.clear();
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if (_attributeValues.empty()) {
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_groupExpanded.push_back(true);
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// I18N: Group for All items
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_groupHeaders.push_back(_("All"));
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_groupValueIndex.setVal(Common::String("All"), 0);
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for (uint i = 0; i < _dataList.size(); ++i) {
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_itemsInGroup[0].push_back(i);
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}
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sortGroups();
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return;
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}
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for (uint i = 0; i < _dataList.size(); ++i) {
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Common::U32StringArray::iterator attrVal = _attributeValues.begin() + i;
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if (!_groupValueIndex.contains(*attrVal)) {
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int newGroupID = _groupValueIndex.size();
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_groupValueIndex.setVal(*attrVal, newGroupID);
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_groupHeaders.push_back(*attrVal);
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_groupExpanded.push_back(true);
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}
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int groupID = _groupValueIndex.getVal(*attrVal);
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_itemsInGroup[groupID].push_back(i);
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}
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sortGroups();
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}
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void GroupedListWidget::sortGroups() {
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uint oldListSize = _list.size();
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_list.clear();
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_listIndex.clear();
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Common::sort(_groupHeaders.begin(), _groupHeaders.end(),
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[](const Common::String &first, const Common::String &second) {
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return first.empty() ? 0 : second.empty() ? 1 : first < second;
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}
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);
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for (uint i = 0; i != _groupHeaders.size(); ++i) {
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Common::U32String header = _groupHeaders[i];
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Common::U32String displayedHeader;
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if (_metadataNames.contains(header)) {
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displayedHeader = _metadataNames[header];
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} else {
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displayedHeader = header;
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}
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uint groupID = _groupValueIndex[header];
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if (_groupsVisible) {
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_listIndex.push_back(kGroupTag - groupID);
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displayedHeader.toUppercase();
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_list.push_back(_groupHeaderPrefix + displayedHeader + _groupHeaderSuffix);
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}
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if (_groupExpanded[groupID]) {
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for (int *k = _itemsInGroup[groupID].begin(); k != _itemsInGroup[groupID].end(); ++k) {
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_list.push_back(_dataList[*k].orig);
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_listIndex.push_back(*k);
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}
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}
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}
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_selectedItem = -1;
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checkBounds();
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scrollBarRecalc();
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_scrollBar->_currentPos = _currentPos;
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_scrollBar->recalc();
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// FIXME: Temporary solution to clear/display the background ofthe scrollbar when list
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// grows too small or large during group toggle. We shouldn't have to redraw the top dialog,
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// but not doing so the background of scrollbar isn't cleared.
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if ((((uint)_scrollBar->_entriesPerPage < oldListSize) && ((uint)_scrollBar->_entriesPerPage > _list.size())) ||
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(((uint)_scrollBar->_entriesPerPage > oldListSize) && ((uint)_scrollBar->_entriesPerPage < _list.size()))) {
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g_gui.scheduleTopDialogRedraw();
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} else {
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markAsDirty();
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}
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}
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void GroupedListWidget::loadClosedGroups(const Common::U32String &groupName) {
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// Recalls what groups were closed from the config
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if (ConfMan.hasKey("group_" + groupName, ConfMan.kApplicationDomain)) {
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const Common::String &val = ConfMan.get("group_" + groupName, ConfMan.kApplicationDomain);
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Common::StringTokenizer hiddenGroups(val);
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for (Common::String tok = hiddenGroups.nextToken(); tok.size(); tok = hiddenGroups.nextToken()) {
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// See if the hidden group is in our group headers still, if so, hide it
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for (Common::U32StringArray::size_type i = 0; i < _groupHeaders.size(); ++i) {
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if (_groupHeaders[i] == tok || (tok == "unnamed" && _groupHeaders[i].size() == 0)) {
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_groupExpanded[i] = false;
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break;
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}
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}
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}
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sortGroups();
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}
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}
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void GroupedListWidget::saveClosedGroups(const Common::U32String &groupName) {
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// Save the hidden groups to the config
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Common::String hiddenGroups;
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for (Common::U32StringArray::size_type i = 0; i < _groupHeaders.size(); ++i) {
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if (!_groupExpanded[i]) {
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if (_groupHeaders[i].size()) {
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hiddenGroups += _groupHeaders[i];
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} else {
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hiddenGroups += "unnamed";
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}
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hiddenGroups += ' ';
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}
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}
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ConfMan.set("group_" + groupName, hiddenGroups, ConfMan.kApplicationDomain);
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ConfMan.flushToDisk();
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}
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Common::Array<bool> GroupedListWidget::saveSelection() const {
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return _selectedItems;
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}
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void GroupedListWidget::loadSelection(const Common::Array<bool> &savedSelection) {
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_selectedItems.clear();
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_selectedItems.resize(_dataList.size(), false);
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int count = MIN((int)savedSelection.size(), (int)_selectedItems.size());
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for (int i = 0; i < count; ++i) {
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_selectedItems[i] = savedSelection[i];
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}
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_selectedItem = -1;
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_lastSelectionStartItem = -1;
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int topMostSel = -1;
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int bottomMostSel = -1;
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for (int visualRow = 0; visualRow < (int)_listIndex.size(); ++visualRow) {
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int dataIndex = _listIndex[visualRow];
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if (dataIndex >= 0 &&
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dataIndex < (int)_selectedItems.size() &&
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_selectedItems[dataIndex]) {
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if (topMostSel == -1) {
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topMostSel = visualRow;
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_selectedItem = visualRow;
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_lastSelectionStartItem = visualRow;
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}
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bottomMostSel = visualRow;
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}
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}
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if (topMostSel != -1 && _entriesPerPage > 0) {
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int span = bottomMostSel - topMostSel + 1;
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if (topMostSel == bottomMostSel) {
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_currentPos = topMostSel - _entriesPerPage / 2;
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} else if (span <= _entriesPerPage) {
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int spanCenter = (topMostSel + bottomMostSel) / 2;
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_currentPos = spanCenter - _entriesPerPage / 2;
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} else {
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_currentPos = topMostSel;
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}
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} else {
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_currentPos = 0;
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}
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checkBounds();
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scrollBarRecalc();
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_scrollBar->_currentPos = _currentPos;
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_scrollBar->recalc();
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markAsDirty();
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}
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void GroupedListWidget::handleMouseDown(int x, int y, int button, int clickCount) {
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if (!isEnabled())
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return;
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_isMouseDown = true;
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_isDragging = false;
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_dragLastY = 0;
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if (button == 1) {
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_dragStartY = y;
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_dragLastY = y;
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_fluidScroller->stopAnimation();
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}
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// TODO: Determine where inside the string the user clicked and place the
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// caret accordingly.
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// See _editScrollOffset and EditTextWidget::handleMouseDown.
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if (_editMode)
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abortEditMode();
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}
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void GroupedListWidget::handleMouseUp(int x, int y, int button, int clickCount) {
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if (button == 1 || button == 2) {
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if (_isMouseDown && button == 1 && _isDragging)
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_fluidScroller->startFling();
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if (_isMouseDown && !_isDragging) {
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int newSelectedItem = findItem(x, y);
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if (newSelectedItem != -1) {
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if (isGroupHeader(_listIndex[newSelectedItem])) {
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int groupID = indexToGroupID(_listIndex[newSelectedItem]);
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int oldSelection = getSelected();
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_selectedItem = -1;
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toggleGroup(groupID);
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if (oldSelection != -1) {
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_selectedItem = findDataIndex(oldSelection);
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sendCommand(kListSelectionChangedCmd, _selectedItem);
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}
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applyScrollPos();
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} else {
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int dataIndex = _listIndex[newSelectedItem];
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if (dataIndex >= 0) {
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// Get modifier keys
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int modifiers = g_system->getEventManager()->getModifierState();
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bool ctrlClick = (modifiers & Common::KBD_CTRL) != 0;
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bool shiftClick = (modifiers & Common::KBD_SHIFT) != 0;
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// Only handle multi-select if it's enabled
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if (_multiSelectEnabled && (shiftClick || ctrlClick)) {
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if (shiftClick && _lastSelectionStartItem != -1) {
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// Shift+Click: Select range in terms of underlying data indices
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int startListIndex = _lastSelectionStartItem;
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int endListIndex = newSelectedItem;
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selectItemRange(startListIndex, endListIndex);
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_selectedItem = newSelectedItem;
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_lastSelectionStartItem = newSelectedItem;
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sendCommand(kListSelectionChangedCmd, _selectedItem);
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} else if (ctrlClick) {
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// Ctrl+Click: toggle selection for the underlying data index
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if (isItemSelected(newSelectedItem)) {
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markSelectedItem(newSelectedItem, false);
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} else {
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markSelectedItem(newSelectedItem, true);
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_selectedItem = newSelectedItem;
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_lastSelectionStartItem = newSelectedItem;
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}
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sendCommand(kListSelectionChangedCmd, _selectedItem);
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}
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} else {
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// Regular click: clear selection and select only this underlying item
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clearSelection();
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_selectedItem = newSelectedItem;
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markSelectedItem(newSelectedItem, true);
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sendCommand(kListSelectionChangedCmd, _selectedItem);
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}
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// Notify clients if an item was clicked
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if (newSelectedItem >= 0)
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sendCommand(kListItemSingleClickedCmd, _selectedItem);
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applyScrollPos();
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}
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}
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}
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}
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_isMouseDown = false;
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_isDragging = false;
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}
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// If this was a double click and the mouse is still over
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// the selected item, send the double click command
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if (clickCount == 2 && (_selectedItem == findItem(x, y))) {
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int selectID = getSelected();
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if (selectID >= 0) {
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sendCommand(kListItemDoubleClickedCmd, _selectedItem);
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}
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}
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}
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void GroupedListWidget::handleMouseWheel(int x, int y, int direction) {
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_fluidScroller->handleMouseWheel(direction);
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}
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void GroupedListWidget::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
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switch (cmd) {
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case kSetPositionCmd:
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if (_currentPos != (int)data) {
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_scrollPos = (float)data * (kLineHeight + _itemSpacing);
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_fluidScroller->stopAnimation();
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_scrollPos = _fluidScroller->setPosition(_scrollPos, false);
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applyScrollPos();
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// Scrollbar actions cause list focus (which triggers a redraw)
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// NOTE: ListWidget's boss is always GUI::Dialog
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((GUI::Dialog *)_boss)->setFocusWidget(this);
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}
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break;
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default:
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break;
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}
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}
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int GroupedListWidget::getItemPos(int item) {
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for (uint i = 0; i < _listIndex.size(); i++) {
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if (_listIndex[i] == item) {
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return i;
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}
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}
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return -1;
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}
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int GroupedListWidget::getNewSel(int index) {
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if (_listIndex.empty()) {
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return -1;
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}
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if (index < 0) {
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return -1;
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}
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if (index >= (int)_listIndex.size()) {
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index = _listIndex.size() - 1;
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}
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// First try the next selectable visible item
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int selectable = findSelectableItem(index, +1);
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// If there is none below, try the previous selectable one
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if (selectable == -1) {
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selectable = findSelectableItem(index - 1, -1);
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}
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if (selectable == -1) {
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return -1;
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}
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return _listIndex[selectable];
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}
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void GroupedListWidget::toggleGroup(int groupID) {
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_groupExpanded[groupID] = !_groupExpanded[groupID];
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sortGroups();
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}
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void GroupedListWidget::drawWidget() {
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int i, pos, len = _list.size();
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Common::U32String buffer;
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// Draw a thin frame around the list.
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g_gui.theme()->drawWidgetBackground(Common::Rect(_x, _y, _x + _w, _y + _h),
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ThemeEngine::kWidgetBackgroundBorder);
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// Draw the list items
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const int lineHeight = kLineHeight + _itemSpacing;
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const int firstItem = MAX(0, (int)(_scrollPos / lineHeight));
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const int offset = _scrollPos < 0 ? (int)_scrollPos : (int)_scrollPos % lineHeight;
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const int indentSpacing = g_gui.getFontHeight();
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Common::Rect innerRect(_x, _y + _topPadding, _x + _w - _scrollBarWidth, _y + _h - _bottomPadding);
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Common::Rect oldClip = g_gui.theme()->swapClipRect(innerRect.findIntersectingRect(g_gui.theme()->getClipRect()));
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for (i = 0, pos = firstItem; i <= _entriesPerPage && pos < len; i++, pos++) {
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const int y = _y + _topPadding + lineHeight * i - offset;
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ThemeEngine::TextInversionState inverted = ThemeEngine::kTextInversionNone;
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#if 0
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ThemeEngine::FontStyle bold = ThemeEngine::kFontStyleBold;
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#endif
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// For grouped lists, only real items (non-headers) may be highlighted.
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int mapped = _listIndex[pos];
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bool isRealItem = (mapped >= 0);
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if (isRealItem) {
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if (isItemSelected(pos))
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inverted = _inversion;
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}
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ThemeEngine::WidgetStateInfo itemState = getItemState(pos);
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Common::Rect r(getEditRect());
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int pad = _leftPadding;
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int rtlPad = (_x + r.left + _leftPadding) - (_x + _hlLeftPadding);
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// Group header / grouped list indentation logic
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if (isGroupHeader(mapped)) {
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int groupID = indexToGroupID(mapped);
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#if 0
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bold = ThemeEngine::kFontStyleBold;
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#endif
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r.left += indentSpacing + _leftPadding;
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g_gui.theme()->drawFoldIndicator(Common::Rect(_x + _hlLeftPadding + _leftPadding, y, _x + indentSpacing + _leftPadding, y + lineHeight), _groupExpanded[groupID]);
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pad = 0;
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} else if (_groupsVisible) {
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r.left += indentSpacing + _leftPadding;
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r.right -= _rightPadding;
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pad = 0;
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}
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// If in numbering mode & not in RTL based GUI, we first print a number prefix
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if (_numberingMode != kListNumberingOff && g_gui.useRTL() == false) {
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buffer = Common::String::format("%2d. ", (pos + _numberingMode));
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g_gui.theme()->drawText(Common::Rect(_x + _hlLeftPadding, y, _x + r.left + _leftPadding, y + lineHeight),
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buffer, itemState, _drawAlign, inverted, _leftPadding, true);
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pad = 0;
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}
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Common::Rect r1(_x + r.left, y, _x + r.right, y + lineHeight);
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if (g_gui.useRTL()) {
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if (_scrollBar->isVisible()) {
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r1.translate(_scrollBarWidth, 0);
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}
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if (_numberingMode != kListNumberingOff) {
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r1.translate(-rtlPad, 0);
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}
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}
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ThemeEngine::FontColor color = ThemeEngine::kFontColorFormatting;
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if (_selectedItem == pos && _editMode) {
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buffer = _editString;
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color = _editColor;
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adjustOffset();
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} else {
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buffer = _list[pos];
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}
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drawFormattedText(r1, buffer, itemState, _drawAlign, inverted, pad, true, color);
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if (_numberingMode != kListNumberingOff && g_gui.useRTL()) {
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buffer = Common::String::format(" .%2d", (pos + _numberingMode));
|
|
|
|
Common::Rect r2 = r1;
|
|
|
|
r2.left = r1.right;
|
|
r2.right = r1.right + rtlPad;
|
|
|
|
g_gui.theme()->drawText(r2, buffer, itemState, _drawAlign, inverted, _leftPadding, true);
|
|
}
|
|
}
|
|
|
|
g_gui.theme()->swapClipRect(oldClip);
|
|
|
|
if (_editMode)
|
|
EditableWidget::drawWidget();
|
|
}
|
|
|
|
void GroupedListWidget::setFilter(const Common::U32String &filter, bool redraw) {
|
|
// FIXME: This method does not deal correctly with edit mode!
|
|
// Until we fix that, let's make sure it isn't called while editing takes place
|
|
assert(!_editMode);
|
|
|
|
Common::U32String filt = filter;
|
|
filt.toLowercase();
|
|
|
|
if (_filter == filt) // Filter was not changed
|
|
return;
|
|
|
|
int selectedItem = getSelected();
|
|
|
|
_filter = filt;
|
|
|
|
if (_filter.empty()) {
|
|
// No filter -> display everything
|
|
sortGroups();
|
|
} else {
|
|
// Restrict the list to everything which contains all words in _filter
|
|
// as substrings, ignoring case.
|
|
|
|
Common::U32StringTokenizer tok(_filter);
|
|
Common::U32String tmp;
|
|
int n = 0;
|
|
|
|
_list.clear();
|
|
_listIndex.clear();
|
|
|
|
for (auto i = _dataList.begin(); i != _dataList.end(); ++i, ++n) {
|
|
tmp = i->clean;
|
|
tmp.toLowercase();
|
|
bool matches = true;
|
|
tok.reset();
|
|
while (!tok.empty()) {
|
|
if (!_filterMatcher(_filterMatcherArg, n, tmp, tok.nextToken())) {
|
|
matches = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (matches) {
|
|
_list.push_back(i->orig);
|
|
_listIndex.push_back(n);
|
|
}
|
|
}
|
|
}
|
|
|
|
_currentPos = 0;
|
|
_scrollPos = 0.0f;
|
|
_fluidScroller->setPosition(_scrollPos);
|
|
_selectedItem = -1;
|
|
// Try to preserve the previous selection
|
|
if (selectedItem != -1)
|
|
setSelected(selectedItem);
|
|
|
|
if (redraw) {
|
|
scrollBarRecalc();
|
|
// Redraw the whole dialog. This is annoying, as this might be rather
|
|
// expensive when really only the list widget and its scroll bar area
|
|
// to be redrawn. However, since the scrollbar might change its
|
|
// visibility status, and the list its width, we cannot just redraw
|
|
// the two.
|
|
// TODO: A more efficient (and elegant?) way to handle this would be to
|
|
// introduce a kind of "BoxWidget" or "GroupWidget" which defines a
|
|
// rectangular region and subwidgets can be placed within it.
|
|
// Such a widget could also (optionally) draw a border (or even different
|
|
// kinds of borders) around the objects it groups; and also a 'title'
|
|
// (I am borrowing these "ideas" from the NSBox class in Cocoa :).
|
|
g_gui.scheduleTopDialogRedraw();
|
|
}
|
|
}
|
|
ThemeEngine::WidgetStateInfo GroupedListWidget::getItemState(int item) const {
|
|
return _state;
|
|
}
|
|
|
|
bool GroupedListWidget::isItemSelectable(int item) const {
|
|
if (item < 0 || item >= (int)_listIndex.size())
|
|
return false;
|
|
return !isGroupHeader(_listIndex[item]);
|
|
}
|
|
|
|
} // End of namespace GUI
|