[5971] | 1 | /* |
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| 2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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| 3 | * > www.orxonox.net < |
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| 4 | * |
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| 5 | * |
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| 6 | * License notice: |
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| 7 | * |
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| 8 | * This program is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU General Public License |
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| 10 | * as published by the Free Software Foundation; either version 2 |
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| 11 | * of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * This program is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | * GNU General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU General Public License |
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| 19 | * along with this program; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 21 | * |
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| 22 | * Author: |
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[5970] | 23 | * Oliver Scheuss |
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| 24 | * Reto Grieder |
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[5971] | 25 | * Co-authors: |
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| 26 | * ... |
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| 27 | * |
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| 28 | */ |
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| 29 | |
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| 30 | #include "IOConsole.h" |
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| 31 | |
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| 32 | #include <iomanip> |
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| 33 | #include <iostream> |
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[7287] | 34 | #include <termios.h> |
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| 35 | #include <sys/ioctl.h> |
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[6417] | 36 | |
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| 37 | #include "util/Clock.h" |
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| 38 | #include "util/Math.h" |
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[8858] | 39 | #include "util/output/ConsoleWriter.h" |
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[9550] | 40 | #include "util/output/OutputManager.h" |
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[7287] | 41 | #include "core/Game.h" |
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| 42 | #include "core/input/InputBuffer.h" |
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[5971] | 43 | |
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[6015] | 44 | namespace orxonox |
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| 45 | { |
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| 46 | IOConsole* IOConsole::singletonPtr_s = NULL; |
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| 47 | |
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[5995] | 48 | namespace EscapeMode |
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| 49 | { |
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| 50 | enum Value |
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| 51 | { |
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| 52 | None, |
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| 53 | First, |
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| 54 | Second |
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| 55 | }; |
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| 56 | } |
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| 57 | |
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[5971] | 58 | IOConsole::IOConsole() |
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[8858] | 59 | : shell_(new Shell("Console", false)) |
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[6004] | 60 | , buffer_(shell_->getInputBuffer()) |
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[6037] | 61 | , cout_(std::cout.rdbuf()) |
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[6417] | 62 | , promptString_("orxonox # ") |
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[5995] | 63 | , bStatusPrinted_(false) |
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[6417] | 64 | , originalTerminalSettings_(0) |
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[5971] | 65 | { |
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| 66 | this->setTerminalMode(); |
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[6004] | 67 | this->shell_->registerListener(this); |
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[5995] | 68 | |
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| 69 | // Manually set the widths of the individual status lines |
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[6014] | 70 | this->statusLineWidths_.push_back(29); |
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| 71 | this->statusLineMaxWidth_ = 29; |
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| 72 | |
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| 73 | this->getTerminalSize(); |
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| 74 | this->lastTerminalWidth_ = this->terminalWidth_; |
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| 75 | this->lastTerminalHeight_ = this->terminalHeight_; |
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[6015] | 76 | |
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| 77 | // Disable standard std::cout logging |
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[9550] | 78 | OutputManager::getInstance().getConsoleWriter()->disable(); |
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[6037] | 79 | // Redirect std::cout to an ostringstream |
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| 80 | // (Other part is in the initialiser list) |
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| 81 | std::cout.rdbuf(this->origCout_.rdbuf()); |
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| 82 | |
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| 83 | // Make sure we make way for the status lines |
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[6417] | 84 | this->preUpdate(Game::getInstance().getGameClock()); |
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[5971] | 85 | } |
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| 86 | |
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| 87 | IOConsole::~IOConsole() |
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| 88 | { |
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[6417] | 89 | // Process output written to std::cout in the meantime |
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| 90 | std::cout.flush(); |
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| 91 | if (!this->origCout_.str().empty()) |
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[8858] | 92 | this->shell_->addOutput(this->origCout_.str(), Shell::Cout); |
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[6103] | 93 | // Erase input and status lines |
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| 94 | this->cout_ << "\033[1G\033[J"; |
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[6105] | 95 | // Move cursor to the bottom |
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| 96 | this->cout_ << "\033[" << this->statusLineWidths_.size() << 'B'; |
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| 97 | // Scroll terminal to compensate for erased lines |
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| 98 | this->cout_ << "\033[" << this->statusLineWidths_.size() << 'T'; |
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[6015] | 99 | |
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[5971] | 100 | resetTerminalMode(); |
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[9667] | 101 | delete this->shell_; |
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[5971] | 102 | |
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[6037] | 103 | // Restore this->cout_ redirection |
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| 104 | std::cout.rdbuf(this->cout_.rdbuf()); |
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[6015] | 105 | // Enable standard std::cout logging again |
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[9550] | 106 | OutputManager::getInstance().getConsoleWriter()->enable(); |
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[5971] | 107 | } |
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| 108 | |
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[6417] | 109 | void IOConsole::preUpdate(const Clock& time) |
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[5971] | 110 | { |
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[6103] | 111 | unsigned char c; |
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[5995] | 112 | std::string escapeSequence; |
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[5998] | 113 | EscapeMode::Value escapeMode = EscapeMode::None; |
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[6015] | 114 | while (std::cin.good()) |
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[5971] | 115 | { |
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[6015] | 116 | c = std::cin.get(); |
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[6089] | 117 | if (!std::cin.good()) |
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[6015] | 118 | break; |
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| 119 | |
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[5995] | 120 | if (escapeMode == EscapeMode::First && (c == '[' || c=='O') ) |
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| 121 | escapeMode = EscapeMode::Second; |
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[5975] | 122 | // Get Alt+Tab combination when switching applications |
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[5998] | 123 | else if (escapeMode == EscapeMode::First && c == '\t') |
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[5971] | 124 | { |
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[5975] | 125 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Tab, '\t', KeyboardModifier::Alt)); |
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[5995] | 126 | escapeMode = EscapeMode::None; |
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[5975] | 127 | } |
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[5995] | 128 | else if (escapeMode == EscapeMode::Second) |
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[5975] | 129 | { |
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[5995] | 130 | escapeSequence += c; |
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| 131 | escapeMode = EscapeMode::None; |
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| 132 | if (escapeSequence == "A") |
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[5971] | 133 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Up, 0, 0)); |
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[5995] | 134 | else if (escapeSequence == "B") |
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[5971] | 135 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Down, 0, 0)); |
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[5995] | 136 | else if (escapeSequence == "C") |
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[5971] | 137 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Right, 0, 0)); |
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[5995] | 138 | else if (escapeSequence == "D") |
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[5971] | 139 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Left, 0, 0)); |
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[5995] | 140 | else if (escapeSequence == "1~" || escapeSequence == "H") |
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[5971] | 141 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Home, 0, 0)); |
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[5995] | 142 | else if (escapeSequence == "2~") |
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[5971] | 143 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Insert, 0, 0)); |
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[5995] | 144 | else if (escapeSequence == "3~") |
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[5973] | 145 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Delete, 0, 0)); |
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[5995] | 146 | else if (escapeSequence == "4~" || escapeSequence == "F") |
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[5971] | 147 | this->buffer_->buttonPressed(KeyEvent(KeyCode::End, 0, 0)); |
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[5995] | 148 | else if (escapeSequence == "5~") |
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[6010] | 149 | this->buffer_->buttonPressed(KeyEvent(KeyCode::PageUp, 0, 0)); |
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[5995] | 150 | else if (escapeSequence == "6~") |
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[6010] | 151 | this->buffer_->buttonPressed(KeyEvent(KeyCode::PageDown, 0, 0)); |
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[5971] | 152 | else |
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[5975] | 153 | // Waiting for sequence to complete |
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[5995] | 154 | // If the user presses ESC and then '[' or 'O' while the loop is not |
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| 155 | // running (for instance while loading), the whole sequence gets dropped |
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| 156 | escapeMode = EscapeMode::Second; |
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[5971] | 157 | } |
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[5975] | 158 | else // not in an escape sequence OR user might have pressed just ESC |
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[5971] | 159 | { |
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[5995] | 160 | if (escapeMode == EscapeMode::First) |
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[5975] | 161 | { |
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[5983] | 162 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Escape, c, 0)); |
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[5995] | 163 | escapeMode = EscapeMode::None; |
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[5975] | 164 | } |
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[5971] | 165 | if (c == '\033') |
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[5975] | 166 | { |
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[5995] | 167 | escapeMode = EscapeMode::First; |
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| 168 | escapeSequence.clear(); |
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[5975] | 169 | } |
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[5971] | 170 | else |
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| 171 | { |
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| 172 | KeyCode::ByEnum code; |
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| 173 | switch (c) |
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| 174 | { |
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[5995] | 175 | case '\n' : case '\r': code = KeyCode::Return; break; |
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| 176 | case '\177': case '\b': code = KeyCode::Back; break; |
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| 177 | case '\t' : code = KeyCode::Tab; break; |
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[5971] | 178 | default: |
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| 179 | // We don't encode the key code (would be a very large switch) |
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| 180 | // because the InputBuffer will only insert the text anyway |
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| 181 | // Replacement character is simply KeyCode::A |
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| 182 | code = KeyCode::A; |
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| 183 | } |
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| 184 | this->buffer_->buttonPressed(KeyEvent(code, c, 0)); |
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| 185 | } |
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| 186 | } |
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| 187 | } |
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[6015] | 188 | // Reset error flags in std::cin |
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| 189 | std::cin.clear(); |
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[5973] | 190 | |
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[5975] | 191 | // If there is still an escape key pending (escape key ONLY), then |
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[5995] | 192 | // it sure isn't an escape sequence anymore |
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| 193 | if (escapeMode == EscapeMode::First) |
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[5983] | 194 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Escape, '\033', 0)); |
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[5975] | 195 | |
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[6013] | 196 | // Determine terminal width and height |
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[6014] | 197 | this->lastTerminalWidth_ = this->terminalWidth_; |
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| 198 | this->lastTerminalHeight_ = this->terminalHeight_; |
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[6013] | 199 | this->getTerminalSize(); |
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| 200 | |
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[6014] | 201 | int heightDiff = this->terminalHeight_ - this->lastTerminalHeight_; |
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| 202 | if (this->bStatusPrinted_ && heightDiff < 0) |
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| 203 | { |
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[6015] | 204 | // Terminal width has shrunk. The cursor will still be on the input line, |
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[6014] | 205 | // but that line might very well be the last |
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| 206 | int newLines = std::min((int)this->statusLineWidths_.size(), -heightDiff); |
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[6089] | 207 | // Scroll terminal to create new lines |
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[6103] | 208 | this->cout_ << "\033[" << newLines << 'S'; |
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[6014] | 209 | } |
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| 210 | |
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[6013] | 211 | if (!this->bStatusPrinted_ && this->willPrintStatusLines()) |
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| 212 | { |
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[6089] | 213 | // Scroll console to make way for status lines |
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[6103] | 214 | this->cout_ << "\033[" << this->statusLineWidths_.size() << 'S'; |
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[6013] | 215 | this->bStatusPrinted_ = true; |
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| 216 | } |
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[6103] | 217 | |
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[6417] | 218 | // We always assume that the cursor is on the input line. |
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[6103] | 219 | // But we cannot always be sure about that, esp. if we scroll the console |
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| 220 | this->cout_ << "\033[" << this->statusLineWidths_.size() << 'B'; |
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| 221 | this->cout_ << "\033[" << this->statusLineWidths_.size() << 'A'; |
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| 222 | |
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[6014] | 223 | // Erase status and input lines |
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[6037] | 224 | this->cout_ << "\033[1G\033[J"; |
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[6013] | 225 | this->printInputLine(); |
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[6004] | 226 | this->printStatusLines(); |
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[6037] | 227 | this->cout_.flush(); |
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[6103] | 228 | |
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| 229 | // Process output written to std::cout |
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[6417] | 230 | std::cout.flush(); |
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[6103] | 231 | if (!this->origCout_.str().empty()) |
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| 232 | { |
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[8858] | 233 | this->shell_->addOutput(this->origCout_.str(), Shell::Cout); |
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[6103] | 234 | this->origCout_.str(""); |
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| 235 | } |
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[5971] | 236 | } |
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| 237 | |
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[6417] | 238 | void IOConsole::printOutputLine(const std::string& text, Shell::LineType type) |
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[5971] | 239 | { |
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| 240 | // Colour line |
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[6417] | 241 | switch (type) |
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[5971] | 242 | { |
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[8858] | 243 | case Shell::Message: |
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| 244 | case Shell::DebugOutput: this->cout_ << "\033[0m"; break; |
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| 245 | |
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| 246 | case Shell::UserError: this->cout_ << "\033[91m"; break; |
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| 247 | case Shell::UserWarning: this->cout_ << "\033[93m"; break; |
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| 248 | case Shell::UserStatus: this->cout_ << "\033[92m"; break; |
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| 249 | case Shell::UserInfo: this->cout_ << "\033[96m"; break; |
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| 250 | |
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| 251 | case Shell::InternalError: this->cout_ << "\033[31m"; break; |
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| 252 | case Shell::InternalWarning: this->cout_ << "\033[33m"; break; |
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| 253 | case Shell::InternalStatus: this->cout_ << "\033[32m"; break; |
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| 254 | case Shell::InternalInfo: this->cout_ << "\033[36m"; break; |
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| 255 | |
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| 256 | case Shell::Verbose: this->cout_ << "\033[94m"; break; |
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| 257 | case Shell::VerboseMore: this->cout_ << "\033[34m"; break; |
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| 258 | case Shell::VerboseUltra: this->cout_ << "\033[34m"; break; |
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| 259 | |
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| 260 | case Shell::Command: this->cout_ << "\033[95m"; break; |
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| 261 | case Shell::Hint: this->cout_ << "\033[35m"; break; |
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| 262 | |
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| 263 | default: this->cout_ << "\033[37m"; break; |
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[5971] | 264 | } |
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| 265 | |
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| 266 | // Print output line |
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[6417] | 267 | this->cout_ << text; |
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[5971] | 268 | |
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[8729] | 269 | // Reset colour atributes |
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| 270 | this->cout_ << "\033[0m"; |
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[5971] | 271 | } |
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| 272 | |
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| 273 | void IOConsole::printInputLine() |
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| 274 | { |
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[5995] | 275 | // Set cursor to the beginning of the line and erase the line |
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[6037] | 276 | this->cout_ << "\033[1G\033[K"; |
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[5995] | 277 | // Indicate a command prompt |
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[6037] | 278 | this->cout_ << this->promptString_; |
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[5995] | 279 | // Save cursor position |
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[6037] | 280 | this->cout_ << "\033[s"; |
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[5995] | 281 | // Print command line buffer |
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[6037] | 282 | this->cout_ << this->shell_->getInput(); |
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[5995] | 283 | // Restore cursor position and move it to the right |
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[6037] | 284 | this->cout_ << "\033[u"; |
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[5971] | 285 | if (this->buffer_->getCursorPosition() > 0) |
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[6417] | 286 | this->cout_ << "\033[" << this->buffer_->getCursorPosition() << 'C'; |
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[5971] | 287 | } |
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| 288 | |
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[5995] | 289 | void IOConsole::printStatusLines() |
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| 290 | { |
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[6013] | 291 | if (this->willPrintStatusLines()) |
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[5995] | 292 | { |
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[6013] | 293 | // Save cursor position |
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[6037] | 294 | this->cout_ << "\033[s"; |
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[6013] | 295 | // Move cursor down (don't create a new line here because the buffer might flush then!) |
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[6089] | 296 | this->cout_ << "\033[1B\033[1G"; |
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[6044] | 297 | this->cout_ << std::fixed << std::setprecision(2) << std::setw(5) << Game::getInstance().getAvgFPS() << " fps, "; |
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| 298 | this->cout_ << std::setprecision(2) << std::setw(5) << Game::getInstance().getAvgTickTime() << " ms tick time"; |
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[6013] | 299 | // Restore cursor position |
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[6037] | 300 | this->cout_ << "\033[u"; |
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[6004] | 301 | this->bStatusPrinted_ = true; |
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[5995] | 302 | } |
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[6013] | 303 | else |
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| 304 | this->bStatusPrinted_ = false; |
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[5995] | 305 | } |
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| 306 | |
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[6015] | 307 | void IOConsole::setTerminalMode() |
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[5995] | 308 | { |
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[6015] | 309 | termios new_settings; |
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[6417] | 310 | this->originalTerminalSettings_ = new termios(); |
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[6015] | 311 | |
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| 312 | tcgetattr(0, this->originalTerminalSettings_); |
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| 313 | new_settings = *this->originalTerminalSettings_; |
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| 314 | new_settings.c_lflag &= ~(ICANON | ECHO); |
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| 315 | //new_settings.c_lflag |= (ISIG | IEXTEN); |
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| 316 | new_settings.c_cc[VTIME] = 0; |
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| 317 | new_settings.c_cc[VMIN] = 0; |
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| 318 | tcsetattr(0, TCSANOW, &new_settings); |
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[6417] | 319 | atexit(&IOConsole::resetTerminalMode); |
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[6013] | 320 | } |
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| 321 | |
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[6417] | 322 | /*static*/ void IOConsole::resetTerminalMode() |
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[6015] | 323 | { |
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[6422] | 324 | if (IOConsole::singletonPtr_s && IOConsole::singletonPtr_s->originalTerminalSettings_) |
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[6417] | 325 | { |
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| 326 | tcsetattr(0, TCSANOW, IOConsole::singletonPtr_s->originalTerminalSettings_); |
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| 327 | delete IOConsole::singletonPtr_s->originalTerminalSettings_; |
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| 328 | IOConsole::singletonPtr_s->originalTerminalSettings_ = 0; |
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| 329 | } |
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[6015] | 330 | } |
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| 331 | |
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[6013] | 332 | void IOConsole::getTerminalSize() |
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| 333 | { |
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[7422] | 334 | this->terminalWidth_ = 0; |
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| 335 | this->terminalHeight_ = 0; |
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| 336 | |
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[5995] | 337 | #ifdef TIOCGSIZE |
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| 338 | struct ttysize win; |
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[6013] | 339 | if (!ioctl(STDIN_FILENO, TIOCGSIZE, &win)) |
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| 340 | { |
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| 341 | this->terminalWidth_ = win.ts_cols; |
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| 342 | this->terminalHeight_ = win.ts_lines; |
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| 343 | } |
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| 344 | #elif defined TIOCGWINSZ |
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[5995] | 345 | struct winsize win; |
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[6013] | 346 | if (!ioctl(STDIN_FILENO, TIOCGWINSZ, &win)) |
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[5995] | 347 | { |
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[6013] | 348 | this->terminalWidth_ = win.ws_col; |
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| 349 | this->terminalHeight_ = win.ws_row; |
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[5995] | 350 | } |
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| 351 | #endif |
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[7422] | 352 | |
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| 353 | const char* s; |
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| 354 | if (!this->terminalWidth_ && (s = getenv("COLUMNS"))) |
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| 355 | this->terminalWidth_ = strtol(s, NULL, 10); |
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| 356 | if (!this->terminalWidth_) |
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| 357 | this->terminalWidth_ = 80; |
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| 358 | if (!this->terminalHeight_ && (s = getenv("LINES"))) |
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| 359 | this->terminalHeight_ = strtol(s, NULL, 10); |
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| 360 | if (!this->terminalHeight_) |
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| 361 | this->terminalHeight_ = 24; |
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[5995] | 362 | } |
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| 363 | |
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[6417] | 364 | inline bool IOConsole::willPrintStatusLines() |
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| 365 | { |
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| 366 | return !this->statusLineWidths_.empty() |
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| 367 | && this->terminalWidth_ >= this->statusLineMaxWidth_ |
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| 368 | && this->terminalHeight_ >= this->minOutputLines_ + (int)this->statusLineWidths_.size(); |
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| 369 | } |
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| 370 | |
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[5971] | 371 | // ############################### |
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| 372 | // ### ShellListener methods ### |
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| 373 | // ############################### |
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| 374 | |
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[7287] | 375 | //! Called if all output-lines have to be reprinted |
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| 376 | void IOConsole::linesChanged() |
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| 377 | { |
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| 378 | // Method only gets called upon start to draw all the lines |
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| 379 | // or when scrolling. But scrolling is disabled and the output |
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| 380 | // is already in std::cout when we start the IOConsole |
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| 381 | } |
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| 382 | |
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| 383 | //! Called if a command is about to be executed |
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| 384 | void IOConsole::executed() |
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| 385 | { |
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[8858] | 386 | this->shell_->addOutput(this->promptString_ + this->shell_->getInput(), Shell::Command); |
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[7287] | 387 | } |
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| 388 | |
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| 389 | //! Called if the console gets closed |
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| 390 | void IOConsole::exit() |
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| 391 | { |
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| 392 | // Exit is not an option, just do nothing (Shell doesn't really exit too) |
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| 393 | } |
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| 394 | |
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[6015] | 395 | //! Called if a new output-line was added |
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[5971] | 396 | void IOConsole::lineAdded() |
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| 397 | { |
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[6417] | 398 | int newLines = this->shell_->getNewestLineIterator()->first.size() / this->terminalWidth_ + 1; |
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[6103] | 399 | // Create new lines by scrolling the screen |
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| 400 | this->cout_ << "\033[" << newLines << 'S'; |
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[6013] | 401 | // Move cursor to the beginning of the new (last) output line |
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[6103] | 402 | this->cout_ << "\033[" << newLines << "A\033[1G"; |
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[6013] | 403 | // Erase screen from here |
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[6037] | 404 | this->cout_ << "\033[J"; |
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[6103] | 405 | // Print the new output lines |
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[6014] | 406 | for (int i = 0; i < newLines; ++i) |
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[6417] | 407 | { |
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| 408 | Shell::LineList::const_iterator it = this->shell_->getNewestLineIterator(); |
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| 409 | this->printOutputLine(it->first.substr(i*this->terminalWidth_, this->terminalWidth_), it->second); |
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| 410 | } |
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[6013] | 411 | // Move cursor down |
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[6089] | 412 | this->cout_ << "\033[1B\033[1G"; |
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[6013] | 413 | // Print status and input lines |
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| 414 | this->printInputLine(); |
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[6004] | 415 | this->printStatusLines(); |
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[6037] | 416 | this->cout_.flush(); |
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[5971] | 417 | } |
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[6417] | 418 | |
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| 419 | //! Called if the text in the input-line has changed |
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| 420 | void IOConsole::inputChanged() |
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| 421 | { |
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| 422 | this->printInputLine(); |
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| 423 | this->cout_.flush(); |
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| 424 | } |
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| 425 | |
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| 426 | //! Called if the position of the cursor in the input-line has changed |
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| 427 | void IOConsole::cursorChanged() |
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| 428 | { |
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| 429 | this->printInputLine(); |
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| 430 | this->cout_.flush(); |
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| 431 | } |
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[6015] | 432 | } |
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