scummvm/gui/widgets/list.cpp
2022-06-09 19:16:36 +02:00

926 lines
25 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/system.h"
#include "common/frac.h"
#include "common/tokenizer.h"
#include "gui/widgets/list.h"
#include "gui/widgets/scrollbar.h"
#include "gui/dialog.h"
#include "gui/gui-manager.h"
#include "gui/ThemeEval.h"
namespace GUI {
bool ListWidgetDefaultMatcher(void *, int, const Common::U32String &item, Common::U32String token) {
return item.contains(token);
}
ListWidget::ListWidget(Dialog *boss, const Common::String &name, const Common::U32String &tooltip, uint32 cmd)
: EditableWidget(boss, name, tooltip), _cmd(cmd) {
_entriesPerPage = 0;
_scrollBarWidth = 0;
_scrollBar = new ScrollBarWidget(this, _w - _scrollBarWidth, 0, _scrollBarWidth, _h);
_scrollBar->setTarget(this);
setFlags(WIDGET_ENABLED | WIDGET_CLEARBG | WIDGET_RETAIN_FOCUS | WIDGET_WANT_TICKLE | WIDGET_TRACK_MOUSE);
_type = kListWidget;
_editMode = false;
_numberingMode = kListNumberingOne;
_currentPos = 0;
_selectedItem = -1;
_currentKeyDown = 0;
_quickSelectTime = 0;
// The item is selected, thus _bgcolor is used to draw the caret and _textcolorhi to erase it
_caretInverse = true;
// FIXME: This flag should come from widget definition
_editable = true;
_quickSelect = true;
_editColor = ThemeEngine::kFontColorNormal;
_dictionarySelect = false;
_filterMatcher = ListWidgetDefaultMatcher;
_filterMatcherArg = nullptr;
_lastRead = -1;
_hlLeftPadding = _hlRightPadding = 0;
_leftPadding = _rightPadding = 0;
_topPadding = _bottomPadding = 0;
}
ListWidget::ListWidget(Dialog *boss, int x, int y, int w, int h, const Common::U32String &tooltip, uint32 cmd)
: EditableWidget(boss, x, y, w, h, tooltip), _cmd(cmd) {
_entriesPerPage = 0;
_scrollBarWidth = 0;
_scrollBar = new ScrollBarWidget(this, _w - _scrollBarWidth, 0, _scrollBarWidth, _h);
_scrollBar->setTarget(this);
setFlags(WIDGET_ENABLED | WIDGET_CLEARBG | WIDGET_RETAIN_FOCUS | WIDGET_WANT_TICKLE);
_type = kListWidget;
_editMode = false;
_numberingMode = kListNumberingOne;
_currentPos = 0;
_selectedItem = -1;
_currentKeyDown = 0;
_quickSelectTime = 0;
// The item is selected, thus _bgcolor is used to draw the caret and _textcolorhi to erase it
_caretInverse = true;
// FIXME: This flag should come from widget definition
_editable = true;
_quickSelect = true;
_editColor = ThemeEngine::kFontColorNormal;
_dictionarySelect = false;
_filterMatcher = ListWidgetDefaultMatcher;
_filterMatcherArg = nullptr;
_lastRead = -1;
_hlLeftPadding = _hlRightPadding = 0;
_leftPadding = _rightPadding = 0;
_topPadding = _bottomPadding = 0;
_scrollBarWidth = 0;
}
void ListWidget::copyListData(const Common::U32StringArray &list) {
Common::U32String stripped;
_dataList.clear();
_cleanedList.clear();
for (uint i = 0; i < list.size(); ++i) {
stripped = stripGUIformatting(list[i]);
_dataList.push_back(ListData(list[i], stripped));
_cleanedList.push_back(stripped);
}
}
bool ListWidget::containsWidget(Widget *w) const {
if (w == _scrollBar || _scrollBar->containsWidget(w))
return true;
return false;
}
Widget *ListWidget::findWidget(int x, int y) {
if (x >= _w - _scrollBarWidth)
return _scrollBar;
return this;
}
void ListWidget::setSelected(int item) {
// HACK/FIXME: If our _listIndex has a non zero size,
// we will need to look up, whether the user selected
// item is present in that list
if (!_filter.empty()) {
int filteredItem = -1;
for (uint i = 0; i < _listIndex.size(); ++i) {
if (_listIndex[i] == item) {
filteredItem = i;
break;
}
}
item = filteredItem;
}
assert(item >= -1 && item < (int)_list.size());
// We only have to do something if the widget is enabled and the selection actually changes
if (isEnabled() && _selectedItem != item) {
if (_editMode)
abortEditMode();
_selectedItem = item;
// Notify clients that the selection changed.
sendCommand(kListSelectionChangedCmd, _selectedItem);
_currentPos = _selectedItem - _entriesPerPage / 2;
scrollToCurrent();
markAsDirty();
}
}
void ListWidget::setList(const Common::U32StringArray &list) {
if (_editMode && _caretVisible)
drawCaret(true);
// Copy everything
copyListData(list);
_list = list;
_filter.clear();
_listIndex.clear();
int size = list.size();
if (_currentPos >= size)
_currentPos = size - 1;
if (_currentPos < 0)
_currentPos = 0;
_selectedItem = -1;
_editMode = false;
g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, false);
scrollBarRecalc();
}
void ListWidget::append(const Common::String &s) {
Common::U32String stripped = stripGUIformatting(s);
_dataList.push_back(ListData(s, stripped));
_cleanedList.push_back(stripped);
_list.push_back(s);
setFilter(_filter, false);
scrollBarRecalc();
}
void ListWidget::scrollTo(int item) {
int size = _list.size();
if (item >= size)
item = size - 1;
if (item < 0)
item = 0;
if (_currentPos != item) {
_currentPos = item;
checkBounds();
scrollBarRecalc();
}
}
void ListWidget::scrollBarRecalc() {
_scrollBar->_numEntries = _list.size();
_scrollBar->_entriesPerPage = _entriesPerPage;
_scrollBar->_currentPos = _currentPos;
_scrollBar->recalc();
}
void ListWidget::handleTickle() {
if (_editMode)
EditableWidget::handleTickle();
_scrollBar->handleTickle();
}
void ListWidget::handleMouseDown(int x, int y, int button, int clickCount) {
if (!isEnabled())
return;
// First check whether the selection changed
int newSelectedItem = findItem(x, y);
if (_selectedItem != newSelectedItem && newSelectedItem != -1) {
if (_editMode)
abortEditMode();
_selectedItem = newSelectedItem;
sendCommand(kListSelectionChangedCmd, _selectedItem);
}
// TODO: Determine where inside the string the user clicked and place the
// caret accordingly.
// See _editScrollOffset and EditTextWidget::handleMouseDown.
markAsDirty();
}
void ListWidget::handleMouseUp(int x, int y, int button, int clickCount) {
// If this was a double click and the mouse is still over
// the selected item, send the double click command
if (clickCount == 2 && (_selectedItem == findItem(x, y)) &&
_selectedItem >= 0) {
sendCommand(kListItemDoubleClickedCmd, _selectedItem);
}
}
void ListWidget::handleMouseWheel(int x, int y, int direction) {
_scrollBar->handleMouseWheel(x, y, direction);
}
void ListWidget::handleMouseMoved(int x, int y, int button) {
if (!isEnabled())
return;
// Determine if we are inside the widget
if (x < 0 || x > _w)
return;
// First check whether the selection changed
int item = findItem(x, y);
if (item != -1) {
if(_lastRead != item) {
read(_list[item]);
_lastRead = item;
}
}
else
_lastRead = -1;
}
void ListWidget::handleMouseLeft(int button) {
_lastRead = -1;
}
int ListWidget::findItem(int x, int y) const {
if (y < _topPadding) return -1;
int item = (y - _topPadding) / kLineHeight + _currentPos;
if (item >= _currentPos && item < _currentPos + _entriesPerPage &&
item < (int)_list.size())
return item;
else
return -1;
}
static int matchingCharsIgnoringCase(const char *x, const char *y, bool &stop, bool dictionary) {
int match = 0;
if (dictionary) {
x = scumm_skipArticle(x);
y = scumm_skipArticle(y);
}
while (*x && *y && tolower(*x) == tolower(*y)) {
++x;
++y;
++match;
}
stop = !*y || (*x && (tolower(*x) >= tolower(*y)));
return match;
}
bool ListWidget::handleKeyDown(Common::KeyState state) {
bool handled = true;
bool dirty = false;
int oldSelectedItem = _selectedItem;
if (!_editMode && state.keycode <= Common::KEYCODE_z && Common::isPrint(state.ascii)) {
// Quick selection mode: Go to first list item starting with this key
// (or a substring accumulated from the last couple key presses).
// Only works in a useful fashion if the list entries are sorted.
uint32 time = g_system->getMillis();
if (_quickSelectTime < time) {
_quickSelectStr = (char)state.ascii;
} else {
_quickSelectStr += (char)state.ascii;
}
_quickSelectTime = time + 300; // TODO: Turn this into a proper constant (kQuickSelectDelay ?)
if (_quickSelect) {
// FIXME: This is bad slow code (it scans the list linearly each time a
// key is pressed); it could be much faster. Only of importance if we have
// quite big lists to deal with -- so for now we can live with this lazy
// implementation :-)
int newSelectedItem = 0;
int bestMatch = 0;
bool stop;
for (Common::U32StringArray::const_iterator i = _list.begin(); i != _list.end(); ++i) {
const int match = matchingCharsIgnoringCase(stripGUIformatting(*i).encode().c_str(), _quickSelectStr.c_str(), stop, _dictionarySelect);
if (match > bestMatch || stop) {
_selectedItem = newSelectedItem;
bestMatch = match;
if (stop)
break;
}
newSelectedItem++;
}
scrollToCurrent();
} else {
sendCommand(_cmd, 0);
}
} else if (_editMode) {
// Class EditableWidget handles all text editing related key presses for us
handled = EditableWidget::handleKeyDown(state);
} else {
// not editmode
switch (state.keycode) {
case Common::KEYCODE_RETURN:
case Common::KEYCODE_KP_ENTER:
if (_selectedItem >= 0) {
// override continuous enter keydown
if (_editable && (_currentKeyDown != Common::KEYCODE_RETURN && _currentKeyDown != Common::KEYCODE_KP_ENTER)) {
dirty = true;
startEditMode();
} else
sendCommand(kListItemActivatedCmd, _selectedItem);
}
break;
// Keypad & special keys
// - if num lock is set, we do not handle the keypress
// - if num lock is not set, we either fall down to the special key case
// or ignore the key press for 0, 4, 5 and 6
case Common::KEYCODE_KP_PERIOD:
if (state.flags & Common::KBD_NUM) {
handled = false;
break;
}
// fall through
case Common::KEYCODE_BACKSPACE:
case Common::KEYCODE_DELETE:
if (_selectedItem >= 0) {
if (_editable) {
// Ignore delete and backspace when the list item is editable
} else {
sendCommand(kListItemRemovalRequestCmd, _selectedItem);
}
}
break;
case Common::KEYCODE_KP1:
if (state.flags & Common::KBD_NUM) {
handled = false;
break;
}
// fall through
case Common::KEYCODE_END:
_selectedItem = _list.size() - 1;
break;
case Common::KEYCODE_KP2:
if (state.flags & Common::KBD_NUM) {
handled = false;
break;
}
// fall through
case Common::KEYCODE_DOWN:
if (_selectedItem < (int)_list.size() - 1)
_selectedItem++;
break;
case Common::KEYCODE_KP3:
if (state.flags & Common::KBD_NUM) {
handled = false;
break;
}
// fall through
case Common::KEYCODE_PAGEDOWN:
_selectedItem += _entriesPerPage - 1;
if (_selectedItem >= (int)_list.size() )
_selectedItem = _list.size() - 1;
break;
case Common::KEYCODE_KP7:
if (state.flags & Common::KBD_NUM) {
handled = false;
break;
}
// fall through
case Common::KEYCODE_HOME:
_selectedItem = 0;
break;
case Common::KEYCODE_KP8:
if (state.flags & Common::KBD_NUM) {
handled = false;
break;
}
// fall through
case Common::KEYCODE_UP:
if (_selectedItem > 0)
_selectedItem--;
break;
case Common::KEYCODE_KP9:
if (state.flags & Common::KBD_NUM) {
handled = false;
break;
}
// fall through
case Common::KEYCODE_PAGEUP:
_selectedItem -= _entriesPerPage - 1;
if (_selectedItem < 0)
_selectedItem = 0;
break;
default:
handled = false;
}
scrollToCurrent();
}
if (dirty || _selectedItem != oldSelectedItem)
markAsDirty();
if (_selectedItem != oldSelectedItem) {
sendCommand(kListSelectionChangedCmd, _selectedItem);
// also draw scrollbar
_scrollBar->markAsDirty();
}
return handled;
}
bool ListWidget::handleKeyUp(Common::KeyState state) {
if (state.keycode == _currentKeyDown)
_currentKeyDown = 0;
return true;
}
void ListWidget::receivedFocusWidget() {
_inversion = ThemeEngine::kTextInversionFocus;
// Redraw the widget so the selection color will change
markAsDirty();
}
void ListWidget::lostFocusWidget() {
_inversion = ThemeEngine::kTextInversion;
// If we lose focus, we simply forget the user changes
_editMode = false;
g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, false);
drawCaret(true);
markAsDirty();
}
void ListWidget::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
switch (cmd) {
case kSetPositionCmd:
if (_currentPos != (int)data) {
_currentPos = data;
checkBounds();
markAsDirty();
// Scrollbar actions cause list focus (which triggers a redraw)
// NOTE: ListWidget's boss is always GUI::Dialog
((GUI::Dialog *)_boss)->setFocusWidget(this);
}
break;
default:
break;
}
}
void ListWidget::drawWidget() {
int i, pos, len = _list.size();
Common::U32String buffer;
// Draw a thin frame around the list.
g_gui.theme()->drawWidgetBackground(Common::Rect(_x, _y, _x + _w, _y + _h),
ThemeEngine::kWidgetBackgroundBorder);
// Draw the list items
for (i = 0, pos = _currentPos; i < _entriesPerPage && pos < len; i++, pos++) {
const int y = _y + _topPadding + kLineHeight * i;
const int fontHeight = g_gui.getFontHeight();
ThemeEngine::TextInversionState inverted = ThemeEngine::kTextInversionNone;
// Draw the selected item inverted, on a highlighted background.
if (_selectedItem == pos)
inverted = _inversion;
Common::Rect r(getEditRect());
int pad = _leftPadding;
int rtlPad = (_x + r.left + _leftPadding) - (_x + _hlLeftPadding);
// If in numbering mode & not in RTL based GUI, we first print a number prefix
if (_numberingMode != kListNumberingOff && g_gui.useRTL() == false) {
buffer = Common::String::format("%2d. ", (pos + _numberingMode));
g_gui.theme()->drawText(Common::Rect(_x + _hlLeftPadding, y, _x + r.left + _leftPadding, y + fontHeight),
buffer, _state, _drawAlign, inverted, _leftPadding, true);
pad = 0;
}
Common::Rect r1(_x + r.left, y, _x + r.right, y + fontHeight);
if (g_gui.useRTL()) {
if (_scrollBar->isVisible()) {
r1.translate(_scrollBarWidth, 0);
}
if (_numberingMode != kListNumberingOff) {
r1.translate(-rtlPad, 0);
}
}
ThemeEngine::FontColor color = ThemeEngine::kFontColorFormatting;
if (_selectedItem == pos && _editMode) {
buffer = _editString;
color = _editColor;
adjustOffset();
} else {
buffer = _list[pos];
}
drawFormattedText(r1, buffer, _state, _drawAlign, inverted, pad, true, color);
// If in numbering mode & using RTL layout in GUI, we print a number suffix after drawing the text
if (_numberingMode != kListNumberingOff && g_gui.useRTL()) {
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, _state, _drawAlign, inverted, _leftPadding, true);
}
}
}
Common::Rect ListWidget::getEditRect() const {
const int scrollbarW = (_scrollBar && _scrollBar->isVisible()) ? _scrollBarWidth : 0;
int editWidth = _w - _hlLeftPadding - _hlRightPadding - scrollbarW;
// Ensure r will always be a valid rect
if (editWidth < 0) {
editWidth = 0;
}
Common::Rect r(_hlLeftPadding, 0, _hlLeftPadding + editWidth, g_gui.getFontHeight());
const int offset = (_selectedItem - _currentPos) * kLineHeight + _topPadding;
r.top += offset;
r.bottom += offset;
if (_numberingMode != kListNumberingOff) {
// FIXME: Assumes that all digits have the same width.
Common::String temp = Common::String::format("%2d. ", (_list.size() - 1 + _numberingMode));
r.left += g_gui.getStringWidth(temp) + _leftPadding;
// Make sure we don't go farther than right
if (r.right < r.left) {
r.right = r.left;
}
}
return r;
}
int ListWidget::getCaretOffset() const {
Common::U32String substr(_editString.begin(), _editString.begin() + _caretPos);
Common::U32String stripped = stripGUIformatting(substr);
return g_gui.getStringWidth(stripped, _font) - _editScrollOffset;
}
void ListWidget::checkBounds() {
if (_currentPos < 0 || _entriesPerPage > (int)_list.size())
_currentPos = 0;
else if (_currentPos + _entriesPerPage > (int)_list.size())
_currentPos = _list.size() - _entriesPerPage;
}
void ListWidget::scrollToCurrent() {
// Only do something if the current item is not in our view port
if (_selectedItem != -1 && _selectedItem < _currentPos) {
// it's above our view
_currentPos = _selectedItem;
} else if (_selectedItem >= _currentPos + _entriesPerPage ) {
// it's below our view
_currentPos = _selectedItem - _entriesPerPage + 1;
}
checkBounds();
_scrollBar->_currentPos = _currentPos;
_scrollBar->recalc();
}
void ListWidget::scrollToEnd() {
if (_currentPos + _entriesPerPage < (int)_list.size()) {
_currentPos = _list.size() - _entriesPerPage;
} else {
return;
}
_scrollBar->_currentPos = _currentPos;
_scrollBar->recalc();
_scrollBar->markAsDirty();
}
void ListWidget::startEditMode() {
if (_editable && !_editMode && _selectedItem >= 0) {
_editMode = true;
setEditString(stripGUIformatting(_list[_selectedItem]));
_caretPos = _editString.size(); // Force caret to the *end* of the selection.
_editColor = ThemeEngine::kFontColorNormal;
markAsDirty();
g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, true);
}
}
void ListWidget::endEditMode() {
if (!_editMode)
return;
// send a message that editing finished with a return/enter key press
_editMode = false;
_list[_selectedItem] = _editString;
g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, false);
sendCommand(kListItemActivatedCmd, _selectedItem);
}
void ListWidget::abortEditMode() {
// undo any changes made
assert(_selectedItem >= 0);
_editMode = false;
//drawCaret(true);
//markAsDirty();
g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, false);
}
void ListWidget::reflowLayout() {
Widget::reflowLayout();
_leftPadding = g_gui.xmlEval()->getVar("Globals.ListWidget.Padding.Left", 0);
_rightPadding = g_gui.xmlEval()->getVar("Globals.ListWidget.Padding.Right", 0);
_topPadding = g_gui.xmlEval()->getVar("Globals.ListWidget.Padding.Top", 0);
_bottomPadding = g_gui.xmlEval()->getVar("Globals.ListWidget.Padding.Bottom", 0);
_hlLeftPadding = g_gui.xmlEval()->getVar("Globals.ListWidget.hlLeftPadding", 0);
_hlRightPadding = g_gui.xmlEval()->getVar("Globals.ListWidget.hlRightPadding", 0);
_scrollBarWidth = g_gui.xmlEval()->getVar("Globals.Scrollbar.Width", 0);
// HACK: Once we take padding into account, there are times where
// integer rounding leaves a big chunk of white space in the bottom
// of the list.
// We do a rough rounding on the decimal places of Entries Per Page,
// to add another entry even if it goes a tad over the padding.
frac_t entriesPerPage = intToFrac(_h - _topPadding - _bottomPadding) / kLineHeight;
// Our threshold before we add another entry is 0.9375 (0xF000 with FRAC_BITS being 16).
const frac_t threshold = intToFrac(15) / 16;
if ((frac_t)(entriesPerPage & FRAC_LO_MASK) >= threshold)
entriesPerPage += FRAC_ONE;
_entriesPerPage = fracToInt(entriesPerPage);
assert(_entriesPerPage > 0);
if (_scrollBar) {
_scrollBar->resize(_w - _scrollBarWidth, 0, _scrollBarWidth, _h, false);
scrollBarRecalc();
scrollToCurrent();
}
}
void ListWidget::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;
_filter = filt;
if (_filter.empty()) {
// No filter -> display everything
_list.clear();
for (uint i = 0; i < _dataList.size(); ++i)
_list.push_back(_dataList[i].orig);
_listIndex.clear();
} else {
// Restrict the list to everything which matches all tokens in _filter, 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;
_selectedItem = -1;
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();
}
}
Common::U32String ListWidget::getThemeColor(byte r, byte g, byte b) {
return Common::U32String::format("\001c%02x%02x%02x", r, g, b);
}
Common::U32String ListWidget::getThemeColor(ThemeEngine::FontColor color) {
switch (color) {
case ThemeEngine::kFontColorNormal:
return Common::U32String("\001C{normal}");
case ThemeEngine::kFontColorAlternate:
return Common::U32String("\001C{alternate}");
default:
return Common::U32String("\001C{unknown}");
}
}
ThemeEngine::FontColor ListWidget::getThemeColor(Common::U32String color) {
if (color == "normal")
return ThemeEngine::kFontColorNormal;
if (color == "alternate")
return ThemeEngine::kFontColorAlternate;
warning("ListWidget::getThemeColor(): Malformed color (\"%s\")", color.encode().c_str());
return ThemeEngine::kFontColorNormal;
}
Common::U32String ListWidget::stripGUIformatting(const Common::U32String &str) {
Common::U32String stripped;
const uint32 *s = str.u32_str();
while (*s) {
if (*s != '\001') { // normal symbol
stripped += *s++;
continue;
}
s++; // skip \001
switch (*s) {
case '\001': // \001\001 -> \001
stripped += *s++;
break;
case 'c': // \001cRRGGBB
s += 7; // check length?
break;
case 'C': // \001C{color-name}
while (*s && *s++ != '}')
;
break;
default:
error("Wrong string format (%c)", *s);
}
}
return stripped;
}
void ListWidget::drawFormattedText(const Common::Rect &r, const Common::U32String &str, ThemeEngine::WidgetStateInfo state,
Graphics::TextAlign align, ThemeEngine::TextInversionState inverted, int deltax, bool useEllipsis,
ThemeEngine::FontColor color) {
Common::U32String chunk;
const uint32 *s = str.u32_str();
ThemeEngine::FontStyle curfont = ThemeEngine::kFontStyleBold;
ThemeEngine::FontColor curcolor = ThemeEngine::kFontColorNormal;
Common::U32String tmp;
while (*s) {
if (*s != '\001') { // normal symbol
chunk += *s++;
continue;
}
if (chunk.size()) {
g_gui.theme()->drawText(r, chunk, state, align, inverted, deltax, true, curfont, curcolor);
deltax += g_gui.theme()->getStringWidth(chunk, curfont);
chunk.clear();
}
s++; // skip \001
switch (*s) {
case '\001': // \001\001 -> \001
chunk += *s++;
break;
case 'c': // \001cRRGGBB
s += 7; // check length?
break;
case 'C': // \001C{color-name}
tmp.clear();
s++;
if (*s == '{')
s++;
else
error("ListWidget::drawFormattedText(): Malformatted \\001C color (%c)", *s);
while (*s && *s != '}')
tmp += *s++;
if (*s == '}') // skip the closing bracket
s++;
if (color == ThemeEngine::kFontColorFormatting)
curcolor = getThemeColor(tmp);
else
curcolor = color; // Ignore color and use the requested one
break;
default:
error("ListWidget::drawFormattedText(): Wrong string format (\\001%c)", *s);
}
}
if (chunk.size() || str.empty())
g_gui.theme()->drawText(r, chunk, state, align, inverted, deltax, true, curfont, curcolor);
}
} // End of namespace GUI