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- /*
- Minetest
- Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- This program 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; either version 2.1 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 Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "guiChatConsole.h"
- #include "chat.h"
- #include "client/client.h"
- #include "debug.h"
- #include "gettime.h"
- #include "client/keycode.h"
- #include "settings.h"
- #include "porting.h"
- #include "client/texturesource.h"
- #include "client/fontengine.h"
- #include "log.h"
- #include "gettext.h"
- #include "irrlicht_changes/CGUITTFont.h"
- #include "util/string.h"
- #include <string>
- inline u32 clamp_u8(s32 value)
- {
- return (u32) MYMIN(MYMAX(value, 0), 255);
- }
- inline bool isInCtrlKeys(const irr::EKEY_CODE& kc)
- {
- return kc == KEY_LCONTROL || kc == KEY_RCONTROL || kc == KEY_CONTROL;
- }
- GUIChatConsole::GUIChatConsole(
- gui::IGUIEnvironment* env,
- gui::IGUIElement* parent,
- s32 id,
- ChatBackend* backend,
- Client* client,
- IMenuManager* menumgr
- ):
- IGUIElement(gui::EGUIET_ELEMENT, env, parent, id,
- core::rect<s32>(0,0,100,100)),
- m_chat_backend(backend),
- m_client(client),
- m_menumgr(menumgr),
- m_animate_time_old(porting::getTimeMs())
- {
- // load background settings
- s32 console_alpha = g_settings->getS32("console_alpha");
- m_background_color.setAlpha(clamp_u8(console_alpha));
- // load the background texture depending on settings
- ITextureSource *tsrc = client->getTextureSource();
- if (tsrc->isKnownSourceImage("background_chat.jpg")) {
- m_background = tsrc->getTexture("background_chat.jpg");
- m_background_color.setRed(255);
- m_background_color.setGreen(255);
- m_background_color.setBlue(255);
- } else {
- v3f console_color = g_settings->getV3F("console_color");
- m_background_color.setRed(clamp_u8(myround(console_color.X)));
- m_background_color.setGreen(clamp_u8(myround(console_color.Y)));
- m_background_color.setBlue(clamp_u8(myround(console_color.Z)));
- }
- const u16 chat_font_size = g_settings->getU16("chat_font_size");
- m_font = g_fontengine->getFont(chat_font_size != 0 ?
- rangelim(chat_font_size, 5, 72) : FONT_SIZE_UNSPECIFIED, FM_Mono);
- if (!m_font) {
- errorstream << "GUIChatConsole: Unable to load mono font" << std::endl;
- } else {
- core::dimension2d<u32> dim = m_font->getDimension(L"M");
- m_fontsize = v2u32(dim.Width, dim.Height);
- m_font->grab();
- }
- m_fontsize.X = MYMAX(m_fontsize.X, 1);
- m_fontsize.Y = MYMAX(m_fontsize.Y, 1);
- // set default cursor options
- setCursor(true, true, 2.0, 0.1);
- // track ctrl keys for mouse event
- m_is_ctrl_down = false;
- m_cache_clickable_chat_weblinks = g_settings->getBool("clickable_chat_weblinks");
- }
- GUIChatConsole::~GUIChatConsole()
- {
- if (m_font)
- m_font->drop();
- }
- void GUIChatConsole::openConsole(f32 scale)
- {
- assert(scale > 0.0f && scale <= 1.0f);
- m_open = true;
- m_desired_height_fraction = scale;
- m_desired_height = scale * m_screensize.Y;
- reformatConsole();
- m_animate_time_old = porting::getTimeMs();
- IGUIElement::setVisible(true);
- m_menumgr->createdMenu(this);
- }
- bool GUIChatConsole::isOpen() const
- {
- return m_open;
- }
- bool GUIChatConsole::isOpenInhibited() const
- {
- return m_open_inhibited > 0;
- }
- void GUIChatConsole::closeConsole()
- {
- m_open = false;
- Environment->removeFocus(this);
- m_menumgr->deletingMenu(this);
- }
- void GUIChatConsole::closeConsoleAtOnce()
- {
- closeConsole();
- m_height = 0;
- recalculateConsolePosition();
- }
- void GUIChatConsole::replaceAndAddToHistory(const std::wstring &line)
- {
- ChatPrompt& prompt = m_chat_backend->getPrompt();
- prompt.addToHistory(prompt.getLine());
- prompt.replace(line);
- }
- void GUIChatConsole::setCursor(
- bool visible, bool blinking, f32 blink_speed, f32 relative_height)
- {
- if (visible)
- {
- if (blinking)
- {
- // leave m_cursor_blink unchanged
- m_cursor_blink_speed = blink_speed;
- }
- else
- {
- m_cursor_blink = 0x8000; // on
- m_cursor_blink_speed = 0.0;
- }
- }
- else
- {
- m_cursor_blink = 0; // off
- m_cursor_blink_speed = 0.0;
- }
- m_cursor_height = relative_height;
- }
- void GUIChatConsole::draw()
- {
- if(!IsVisible)
- return;
- video::IVideoDriver* driver = Environment->getVideoDriver();
- // Check screen size
- v2u32 screensize = driver->getScreenSize();
- if (screensize != m_screensize)
- {
- // screen size has changed
- // scale current console height to new window size
- if (m_screensize.Y != 0)
- m_height = m_height * screensize.Y / m_screensize.Y;
- m_screensize = screensize;
- m_desired_height = m_desired_height_fraction * m_screensize.Y;
- reformatConsole();
- }
- // Animation
- u64 now = porting::getTimeMs();
- animate(now - m_animate_time_old);
- m_animate_time_old = now;
- // Draw console elements if visible
- if (m_height > 0)
- {
- drawBackground();
- drawText();
- drawPrompt();
- }
- gui::IGUIElement::draw();
- }
- void GUIChatConsole::reformatConsole()
- {
- s32 cols = m_screensize.X / m_fontsize.X - 2; // make room for a margin (looks better)
- s32 rows = m_desired_height / m_fontsize.Y - 1; // make room for the input prompt
- if (cols <= 0 || rows <= 0)
- cols = rows = 0;
- recalculateConsolePosition();
- m_chat_backend->reformat(cols, rows);
- }
- void GUIChatConsole::recalculateConsolePosition()
- {
- core::rect<s32> rect(0, 0, m_screensize.X, m_height);
- DesiredRect = rect;
- recalculateAbsolutePosition(false);
- }
- void GUIChatConsole::animate(u32 msec)
- {
- // animate the console height
- s32 goal = m_open ? m_desired_height : 0;
- // Set invisible if close animation finished (reset by openConsole)
- // This function (animate()) is never called once its visibility becomes false so do not
- // actually set visible to false before the inhibited period is over
- if (!m_open && m_height == 0 && m_open_inhibited == 0)
- IGUIElement::setVisible(false);
- if (m_height != goal)
- {
- s32 max_change = msec * m_screensize.Y * (m_height_speed / 1000.0);
- if (max_change == 0)
- max_change = 1;
- if (m_height < goal)
- {
- // increase height
- if (m_height + max_change < goal)
- m_height += max_change;
- else
- m_height = goal;
- }
- else
- {
- // decrease height
- if (m_height > goal + max_change)
- m_height -= max_change;
- else
- m_height = goal;
- }
- recalculateConsolePosition();
- }
- // blink the cursor
- if (m_cursor_blink_speed != 0.0)
- {
- u32 blink_increase = 0x10000 * msec * (m_cursor_blink_speed / 1000.0);
- if (blink_increase == 0)
- blink_increase = 1;
- m_cursor_blink = ((m_cursor_blink + blink_increase) & 0xffff);
- }
- // decrease open inhibit counter
- if (m_open_inhibited > msec)
- m_open_inhibited -= msec;
- else
- m_open_inhibited = 0;
- }
- void GUIChatConsole::drawBackground()
- {
- video::IVideoDriver* driver = Environment->getVideoDriver();
- if (m_background != NULL)
- {
- core::rect<s32> sourcerect(0, -m_height, m_screensize.X, 0);
- driver->draw2DImage(
- m_background,
- v2s32(0, 0),
- sourcerect,
- &AbsoluteClippingRect,
- m_background_color,
- false);
- }
- else
- {
- driver->draw2DRectangle(
- m_background_color,
- core::rect<s32>(0, 0, m_screensize.X, m_height),
- &AbsoluteClippingRect);
- }
- }
- void GUIChatConsole::drawText()
- {
- if (m_font == NULL)
- return;
- ChatBuffer& buf = m_chat_backend->getConsoleBuffer();
- for (u32 row = 0; row < buf.getRows(); ++row)
- {
- const ChatFormattedLine& line = buf.getFormattedLine(row);
- if (line.fragments.empty())
- continue;
- s32 line_height = m_fontsize.Y;
- s32 y = row * line_height + m_height - m_desired_height;
- if (y + line_height < 0)
- continue;
- for (const ChatFormattedFragment &fragment : line.fragments) {
- s32 x = (fragment.column + 1) * m_fontsize.X;
- core::rect<s32> destrect(
- x, y, x + m_fontsize.X * fragment.text.size(), y + m_fontsize.Y);
- if (m_font->getType() == irr::gui::EGFT_CUSTOM) {
- // Draw colored text if possible
- gui::CGUITTFont *tmp = static_cast<gui::CGUITTFont*>(m_font);
- tmp->draw(
- fragment.text,
- destrect,
- false,
- false,
- &AbsoluteClippingRect);
- } else {
- // Otherwise use standard text
- m_font->draw(
- fragment.text.c_str(),
- destrect,
- video::SColor(255, 255, 255, 255),
- false,
- false,
- &AbsoluteClippingRect);
- }
- }
- }
- }
- void GUIChatConsole::drawPrompt()
- {
- if (!m_font)
- return;
- ChatPrompt& prompt = m_chat_backend->getPrompt();
- std::wstring prompt_text = prompt.getVisiblePortion();
- u32 font_width = m_fontsize.X;
- u32 font_height = m_fontsize.Y;
- core::dimension2d<u32> size = m_font->getDimension(prompt_text.c_str());
- u32 text_width = size.Width;
- if (size.Height > font_height)
- font_height = size.Height;
- u32 row = m_chat_backend->getConsoleBuffer().getRows();
- s32 y = row * font_height + m_height - m_desired_height;
- core::rect<s32> destrect(
- font_width, y, font_width + text_width, y + font_height);
- m_font->draw(
- prompt_text.c_str(),
- destrect,
- video::SColor(255, 255, 255, 255),
- false,
- false,
- &AbsoluteClippingRect);
- // Draw the cursor during on periods
- if ((m_cursor_blink & 0x8000) != 0)
- {
- s32 cursor_pos = prompt.getVisibleCursorPosition();
- if (cursor_pos >= 0)
- {
- u32 text_to_cursor_pos_width = m_font->getDimension(prompt_text.substr(0, cursor_pos).c_str()).Width;
- s32 cursor_len = prompt.getCursorLength();
- video::IVideoDriver* driver = Environment->getVideoDriver();
- s32 x = font_width + text_to_cursor_pos_width;
- core::rect<s32> destrect(
- x,
- y + font_height * (1.0 - m_cursor_height),
- x + font_width * MYMAX(cursor_len, 1),
- y + font_height * (cursor_len ? m_cursor_height+1 : 1)
- );
- video::SColor cursor_color(255,255,255,255);
- driver->draw2DRectangle(
- cursor_color,
- destrect,
- &AbsoluteClippingRect);
- }
- }
- }
- bool GUIChatConsole::OnEvent(const SEvent& event)
- {
- ChatPrompt &prompt = m_chat_backend->getPrompt();
- if (event.EventType == EET_KEY_INPUT_EVENT && !event.KeyInput.PressedDown)
- {
- // CTRL up
- if (isInCtrlKeys(event.KeyInput.Key))
- {
- m_is_ctrl_down = false;
- }
- }
- else if(event.EventType == EET_KEY_INPUT_EVENT && event.KeyInput.PressedDown)
- {
- // CTRL down
- if (isInCtrlKeys(event.KeyInput.Key)) {
- m_is_ctrl_down = true;
- }
- // Key input
- if (KeyPress(event.KeyInput) == getKeySetting("keymap_console")) {
- closeConsole();
- // inhibit open so the_game doesn't reopen immediately
- m_open_inhibited = 50;
- m_close_on_enter = false;
- return true;
- }
- // Mac OS sends private use characters along with some keys.
- bool has_char = event.KeyInput.Char && !event.KeyInput.Control &&
- !iswcntrl(event.KeyInput.Char) && !IS_PRIVATE_USE_CHAR(event.KeyInput.Char);
- if (event.KeyInput.Key == KEY_ESCAPE) {
- closeConsoleAtOnce();
- m_close_on_enter = false;
- // inhibit open so the_game doesn't reopen immediately
- m_open_inhibited = 1; // so the ESCAPE button doesn't open the "pause menu"
- return true;
- }
- else if(event.KeyInput.Key == KEY_PRIOR)
- {
- if (!has_char) { // no num lock
- m_chat_backend->scrollPageUp();
- return true;
- }
- }
- else if(event.KeyInput.Key == KEY_NEXT)
- {
- if (!has_char) { // no num lock
- m_chat_backend->scrollPageDown();
- return true;
- }
- }
- else if(event.KeyInput.Key == KEY_RETURN)
- {
- prompt.addToHistory(prompt.getLine());
- std::wstring text = prompt.replace(L"");
- m_client->typeChatMessage(text);
- if (m_close_on_enter) {
- closeConsoleAtOnce();
- m_close_on_enter = false;
- }
- return true;
- }
- else if(event.KeyInput.Key == KEY_UP)
- {
- if (!has_char) { // no num lock
- // Up pressed
- // Move back in history
- prompt.historyPrev();
- return true;
- }
- }
- else if(event.KeyInput.Key == KEY_DOWN)
- {
- if (!has_char) { // no num lock
- // Down pressed
- // Move forward in history
- prompt.historyNext();
- return true;
- }
- }
- else if(event.KeyInput.Key == KEY_LEFT || event.KeyInput.Key == KEY_RIGHT)
- {
- if (!has_char) { // no num lock
- // Left/right pressed
- // Move/select character/word to the left depending on control and shift keys
- ChatPrompt::CursorOp op = event.KeyInput.Shift ?
- ChatPrompt::CURSOROP_SELECT :
- ChatPrompt::CURSOROP_MOVE;
- ChatPrompt::CursorOpDir dir = event.KeyInput.Key == KEY_LEFT ?
- ChatPrompt::CURSOROP_DIR_LEFT :
- ChatPrompt::CURSOROP_DIR_RIGHT;
- ChatPrompt::CursorOpScope scope = event.KeyInput.Control ?
- ChatPrompt::CURSOROP_SCOPE_WORD :
- ChatPrompt::CURSOROP_SCOPE_CHARACTER;
- prompt.cursorOperation(op, dir, scope);
- if (op == ChatPrompt::CURSOROP_SELECT)
- updatePrimarySelection();
- return true;
- }
- }
- else if(event.KeyInput.Key == KEY_HOME)
- {
- if (!has_char) { // no num lock
- // Home pressed
- // move to beginning of line
- prompt.cursorOperation(
- ChatPrompt::CURSOROP_MOVE,
- ChatPrompt::CURSOROP_DIR_LEFT,
- ChatPrompt::CURSOROP_SCOPE_LINE);
- return true;
- }
- }
- else if(event.KeyInput.Key == KEY_END)
- {
- if (!has_char) { // no num lock
- // End pressed
- // move to end of line
- prompt.cursorOperation(
- ChatPrompt::CURSOROP_MOVE,
- ChatPrompt::CURSOROP_DIR_RIGHT,
- ChatPrompt::CURSOROP_SCOPE_LINE);
- return true;
- }
- }
- else if(event.KeyInput.Key == KEY_BACK)
- {
- // Backspace or Ctrl-Backspace pressed
- // delete character / word to the left
- ChatPrompt::CursorOpScope scope =
- event.KeyInput.Control ?
- ChatPrompt::CURSOROP_SCOPE_WORD :
- ChatPrompt::CURSOROP_SCOPE_CHARACTER;
- prompt.cursorOperation(
- ChatPrompt::CURSOROP_DELETE,
- ChatPrompt::CURSOROP_DIR_LEFT,
- scope);
- return true;
- }
- else if(event.KeyInput.Key == KEY_DELETE)
- {
- if (!has_char) { // no num lock
- // Delete or Ctrl-Delete pressed
- // delete character / word to the right
- ChatPrompt::CursorOpScope scope =
- event.KeyInput.Control ?
- ChatPrompt::CURSOROP_SCOPE_WORD :
- ChatPrompt::CURSOROP_SCOPE_CHARACTER;
- prompt.cursorOperation(
- ChatPrompt::CURSOROP_DELETE,
- ChatPrompt::CURSOROP_DIR_RIGHT,
- scope);
- return true;
- }
- }
- else if(event.KeyInput.Key == KEY_KEY_A && event.KeyInput.Control)
- {
- // Ctrl-A pressed
- // Select all text
- prompt.cursorOperation(
- ChatPrompt::CURSOROP_SELECT,
- ChatPrompt::CURSOROP_DIR_LEFT, // Ignored
- ChatPrompt::CURSOROP_SCOPE_LINE);
- updatePrimarySelection();
- return true;
- }
- else if(event.KeyInput.Key == KEY_KEY_C && event.KeyInput.Control)
- {
- // Ctrl-C pressed
- // Copy text to clipboard
- if (prompt.getCursorLength() <= 0)
- return true;
- std::wstring wselected = prompt.getSelection();
- std::string selected = wide_to_utf8(wselected);
- Environment->getOSOperator()->copyToClipboard(selected.c_str());
- return true;
- }
- else if(event.KeyInput.Key == KEY_KEY_V && event.KeyInput.Control)
- {
- // Ctrl-V pressed
- // paste text from clipboard
- if (prompt.getCursorLength() > 0) {
- // Delete selected section of text
- prompt.cursorOperation(
- ChatPrompt::CURSOROP_DELETE,
- ChatPrompt::CURSOROP_DIR_LEFT, // Ignored
- ChatPrompt::CURSOROP_SCOPE_SELECTION);
- }
- IOSOperator *os_operator = Environment->getOSOperator();
- const c8 *text = os_operator->getTextFromClipboard();
- if (!text)
- return true;
- prompt.input(utf8_to_wide(text));
- return true;
- }
- else if(event.KeyInput.Key == KEY_KEY_X && event.KeyInput.Control)
- {
- // Ctrl-X pressed
- // Cut text to clipboard
- if (prompt.getCursorLength() <= 0)
- return true;
- std::wstring wselected = prompt.getSelection();
- std::string selected = wide_to_utf8(wselected);
- Environment->getOSOperator()->copyToClipboard(selected.c_str());
- prompt.cursorOperation(
- ChatPrompt::CURSOROP_DELETE,
- ChatPrompt::CURSOROP_DIR_LEFT, // Ignored
- ChatPrompt::CURSOROP_SCOPE_SELECTION);
- return true;
- }
- else if(event.KeyInput.Key == KEY_KEY_U && event.KeyInput.Control)
- {
- // Ctrl-U pressed
- // kill line to left end
- prompt.cursorOperation(
- ChatPrompt::CURSOROP_DELETE,
- ChatPrompt::CURSOROP_DIR_LEFT,
- ChatPrompt::CURSOROP_SCOPE_LINE);
- return true;
- }
- else if(event.KeyInput.Key == KEY_KEY_K && event.KeyInput.Control)
- {
- // Ctrl-K pressed
- // kill line to right end
- prompt.cursorOperation(
- ChatPrompt::CURSOROP_DELETE,
- ChatPrompt::CURSOROP_DIR_RIGHT,
- ChatPrompt::CURSOROP_SCOPE_LINE);
- return true;
- }
- else if(event.KeyInput.Key == KEY_TAB)
- {
- // Tab or Shift-Tab pressed
- // Nick completion
- auto names = m_client->getConnectedPlayerNames();
- bool backwards = event.KeyInput.Shift;
- prompt.nickCompletion(names, backwards);
- return true;
- }
- if (has_char) {
- prompt.input(event.KeyInput.Char);
- return true;
- }
- }
- else if(event.EventType == EET_MOUSE_INPUT_EVENT)
- {
- if (event.MouseInput.Event == EMIE_MOUSE_WHEEL)
- {
- s32 rows = myround(-3.0 * event.MouseInput.Wheel);
- m_chat_backend->scroll(rows);
- }
- // Middle click or ctrl-click opens weblink, if enabled in config
- // Otherwise, middle click pastes primary selection
- else if (event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN ||
- (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN && m_is_ctrl_down))
- {
- // If clicked within console output region
- if (event.MouseInput.Y / m_fontsize.Y < (m_height / m_fontsize.Y) - 1 )
- {
- // Translate pixel position to font position
- bool was_url_pressed = m_cache_clickable_chat_weblinks &&
- weblinkClick(event.MouseInput.X / m_fontsize.X,
- event.MouseInput.Y / m_fontsize.Y);
- if (!was_url_pressed
- && event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN) {
- // Paste primary selection at cursor pos
- const c8 *text = Environment->getOSOperator()
- ->getTextFromPrimarySelection();
- if (text)
- prompt.input(utf8_to_wide(text));
- }
- }
- }
- }
- else if(event.EventType == EET_STRING_INPUT_EVENT)
- {
- prompt.input(std::wstring(event.StringInput.Str->c_str()));
- return true;
- }
- return Parent ? Parent->OnEvent(event) : false;
- }
- void GUIChatConsole::setVisible(bool visible)
- {
- m_open = visible;
- IGUIElement::setVisible(visible);
- if (!visible) {
- m_height = 0;
- recalculateConsolePosition();
- }
- }
- bool GUIChatConsole::weblinkClick(s32 col, s32 row)
- {
- // Prevent accidental rapid clicking
- static u64 s_oldtime = 0;
- u64 newtime = porting::getTimeMs();
- // 0.6 seconds should suffice
- if (newtime - s_oldtime < 600)
- return false;
- s_oldtime = newtime;
- const std::vector<ChatFormattedFragment> &
- frags = m_chat_backend->getConsoleBuffer().getFormattedLine(row).fragments;
- std::string weblink = ""; // from frag meta
- // Identify targetted fragment, if exists
- int indx = frags.size() - 1;
- if (indx < 0) {
- // Invalid row, frags is empty
- return false;
- }
- // Scan from right to left, offset by 1 font space because left margin
- while (indx > -1 && (u32)col < frags[indx].column + 1) {
- --indx;
- }
- if (indx > -1) {
- weblink = frags[indx].weblink;
- // Note if(indx < 0) then a frag somehow had a corrupt column field
- }
- /*
- // Debug help. Please keep this in case adjustments are made later.
- std::string ws;
- ws = "Middleclick: (" + std::to_string(col) + ',' + std::to_string(row) + ')' + " frags:";
- // show all frags <position>(<length>) for the clicked row
- for (u32 i=0;i<frags.size();++i) {
- if (indx == int(i))
- // tag the actual clicked frag
- ws += '*';
- ws += std::to_string(frags.at(i).column) + '('
- + std::to_string(frags.at(i).text.size()) + "),";
- }
- actionstream << ws << std::endl;
- */
- // User notification
- if (weblink.size() != 0) {
- std::ostringstream msg;
- msg << " * ";
- if (porting::open_url(weblink)) {
- msg << gettext("Opening webpage");
- }
- else {
- msg << gettext("Failed to open webpage");
- }
- msg << " '" << weblink << "'";
- m_chat_backend->addUnparsedMessage(utf8_to_wide(msg.str()));
- return true;
- }
- return false;
- }
- void GUIChatConsole::updatePrimarySelection()
- {
- std::wstring wselected = m_chat_backend->getPrompt().getSelection();
- std::string selected = wide_to_utf8(wselected);
- Environment->getOSOperator()->copyToPrimarySelection(selected.c_str());
- }
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