[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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[6140] | 34 | |
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[6177] | 35 | #include "util/Clock.h" |
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[6140] | 36 | #include "util/Math.h" |
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[5971] | 37 | #include "core/Game.h" |
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| 38 | #include "core/input/InputBuffer.h" |
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| 39 | |
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[6015] | 40 | // ########################## |
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| 41 | // ### Mutual methods ### |
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| 42 | // ########################## |
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| 43 | namespace orxonox |
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| 44 | { |
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| 45 | IOConsole* IOConsole::singletonPtr_s = NULL; |
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| 46 | |
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| 47 | // ############################### |
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| 48 | // ### ShellListener methods ### |
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| 49 | // ############################### |
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| 50 | |
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| 51 | //! Called if all output-lines have to be reprinted |
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| 52 | void IOConsole::linesChanged() |
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| 53 | { |
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| 54 | // Method only gets called upon start to draw all the lines |
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[6037] | 55 | // or when scrolling. But scrolling is disabled and the output |
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[6015] | 56 | // is already in std::cout when we start the IOConsole |
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| 57 | } |
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| 58 | |
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| 59 | //! Called if a command is about to be executed |
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| 60 | void IOConsole::executed() |
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| 61 | { |
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[6180] | 62 | this->shell_->addOutputLine(this->promptString_ + this->shell_->getInput(), Shell::Command); |
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[6015] | 63 | } |
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| 64 | |
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| 65 | //! Called if the console gets closed |
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| 66 | void IOConsole::exit() |
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| 67 | { |
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| 68 | // Exit is not an option, just do nothing (Shell doesn't really exit too) |
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| 69 | } |
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| 70 | } |
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| 71 | |
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[5971] | 72 | #ifdef ORXONOX_PLATFORM_UNIX |
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[6015] | 73 | // ############################### |
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| 74 | // ### Unix Implementation ### |
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| 75 | // ############################### |
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| 76 | |
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[5971] | 77 | #include <termios.h> |
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[6014] | 78 | #include <sys/ioctl.h> |
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[5971] | 79 | |
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| 80 | namespace orxonox |
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| 81 | { |
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[5995] | 82 | namespace EscapeMode |
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| 83 | { |
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| 84 | enum Value |
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| 85 | { |
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| 86 | None, |
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| 87 | First, |
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| 88 | Second |
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| 89 | }; |
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| 90 | } |
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| 91 | |
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[5971] | 92 | IOConsole::IOConsole() |
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[6180] | 93 | : shell_(new Shell("IOConsole", false)) |
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[6004] | 94 | , buffer_(shell_->getInputBuffer()) |
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[6037] | 95 | , cout_(std::cout.rdbuf()) |
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[6177] | 96 | , promptString_("orxonox # ") |
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[5995] | 97 | , bStatusPrinted_(false) |
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[6172] | 98 | , originalTerminalSettings_(0) |
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[5971] | 99 | { |
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| 100 | this->setTerminalMode(); |
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[6004] | 101 | this->shell_->registerListener(this); |
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[5995] | 102 | |
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| 103 | // Manually set the widths of the individual status lines |
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[6014] | 104 | this->statusLineWidths_.push_back(29); |
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| 105 | this->statusLineMaxWidth_ = 29; |
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| 106 | |
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| 107 | this->getTerminalSize(); |
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| 108 | this->lastTerminalWidth_ = this->terminalWidth_; |
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| 109 | this->lastTerminalHeight_ = this->terminalHeight_; |
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[6015] | 110 | |
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| 111 | // Disable standard std::cout logging |
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| 112 | OutputHandler::getInstance().disableCout(); |
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[6037] | 113 | // Redirect std::cout to an ostringstream |
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| 114 | // (Other part is in the initialiser list) |
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| 115 | std::cout.rdbuf(this->origCout_.rdbuf()); |
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| 116 | |
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| 117 | // Make sure we make way for the status lines |
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[6183] | 118 | this->preUpdate(Game::getInstance().getGameClock()); |
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[5971] | 119 | } |
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| 120 | |
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| 121 | IOConsole::~IOConsole() |
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| 122 | { |
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[6037] | 123 | // Empty all buffers |
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[6183] | 124 | this->preUpdate(Game::getInstance().getGameClock()); |
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[6103] | 125 | // Erase input and status lines |
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| 126 | this->cout_ << "\033[1G\033[J"; |
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[6105] | 127 | // Move cursor to the bottom |
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| 128 | this->cout_ << "\033[" << this->statusLineWidths_.size() << 'B'; |
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| 129 | // Scroll terminal to compensate for erased lines |
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| 130 | this->cout_ << "\033[" << this->statusLineWidths_.size() << 'T'; |
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[6015] | 131 | |
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[5971] | 132 | resetTerminalMode(); |
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[6004] | 133 | this->shell_->destroy(); |
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[5971] | 134 | |
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[6037] | 135 | // Restore this->cout_ redirection |
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| 136 | std::cout.rdbuf(this->cout_.rdbuf()); |
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[6015] | 137 | // Enable standard std::cout logging again |
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| 138 | OutputHandler::getInstance().enableCout(); |
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[5971] | 139 | } |
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| 140 | |
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[6183] | 141 | void IOConsole::preUpdate(const Clock& time) |
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[5971] | 142 | { |
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[6103] | 143 | unsigned char c; |
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[5995] | 144 | std::string escapeSequence; |
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[5998] | 145 | EscapeMode::Value escapeMode = EscapeMode::None; |
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[6015] | 146 | while (std::cin.good()) |
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[5971] | 147 | { |
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[6015] | 148 | c = std::cin.get(); |
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[6089] | 149 | if (!std::cin.good()) |
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[6015] | 150 | break; |
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| 151 | |
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[5995] | 152 | if (escapeMode == EscapeMode::First && (c == '[' || c=='O') ) |
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| 153 | escapeMode = EscapeMode::Second; |
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[5975] | 154 | // Get Alt+Tab combination when switching applications |
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[5998] | 155 | else if (escapeMode == EscapeMode::First && c == '\t') |
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[5971] | 156 | { |
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[5975] | 157 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Tab, '\t', KeyboardModifier::Alt)); |
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[5995] | 158 | escapeMode = EscapeMode::None; |
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[5975] | 159 | } |
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[5995] | 160 | else if (escapeMode == EscapeMode::Second) |
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[5975] | 161 | { |
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[5995] | 162 | escapeSequence += c; |
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| 163 | escapeMode = EscapeMode::None; |
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| 164 | if (escapeSequence == "A") |
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[5971] | 165 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Up, 0, 0)); |
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[5995] | 166 | else if (escapeSequence == "B") |
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[5971] | 167 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Down, 0, 0)); |
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[5995] | 168 | else if (escapeSequence == "C") |
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[5971] | 169 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Right, 0, 0)); |
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[5995] | 170 | else if (escapeSequence == "D") |
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[5971] | 171 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Left, 0, 0)); |
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[5995] | 172 | else if (escapeSequence == "1~" || escapeSequence == "H") |
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[5971] | 173 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Home, 0, 0)); |
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[5995] | 174 | else if (escapeSequence == "2~") |
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[5971] | 175 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Insert, 0, 0)); |
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[5995] | 176 | else if (escapeSequence == "3~") |
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[5973] | 177 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Delete, 0, 0)); |
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[5995] | 178 | else if (escapeSequence == "4~" || escapeSequence == "F") |
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[5971] | 179 | this->buffer_->buttonPressed(KeyEvent(KeyCode::End, 0, 0)); |
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[5995] | 180 | else if (escapeSequence == "5~") |
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[6010] | 181 | this->buffer_->buttonPressed(KeyEvent(KeyCode::PageUp, 0, 0)); |
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[5995] | 182 | else if (escapeSequence == "6~") |
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[6010] | 183 | this->buffer_->buttonPressed(KeyEvent(KeyCode::PageDown, 0, 0)); |
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[5971] | 184 | else |
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[5975] | 185 | // Waiting for sequence to complete |
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[5995] | 186 | // If the user presses ESC and then '[' or 'O' while the loop is not |
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| 187 | // running (for instance while loading), the whole sequence gets dropped |
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| 188 | escapeMode = EscapeMode::Second; |
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[5971] | 189 | } |
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[5975] | 190 | else // not in an escape sequence OR user might have pressed just ESC |
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[5971] | 191 | { |
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[5995] | 192 | if (escapeMode == EscapeMode::First) |
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[5975] | 193 | { |
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[5983] | 194 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Escape, c, 0)); |
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[5995] | 195 | escapeMode = EscapeMode::None; |
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[5975] | 196 | } |
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[5971] | 197 | if (c == '\033') |
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[5975] | 198 | { |
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[5995] | 199 | escapeMode = EscapeMode::First; |
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| 200 | escapeSequence.clear(); |
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[5975] | 201 | } |
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[5971] | 202 | else |
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| 203 | { |
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| 204 | KeyCode::ByEnum code; |
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| 205 | switch (c) |
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| 206 | { |
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[5995] | 207 | case '\n' : case '\r': code = KeyCode::Return; break; |
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| 208 | case '\177': case '\b': code = KeyCode::Back; break; |
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| 209 | case '\t' : code = KeyCode::Tab; break; |
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[5971] | 210 | default: |
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| 211 | // We don't encode the key code (would be a very large switch) |
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| 212 | // because the InputBuffer will only insert the text anyway |
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| 213 | // Replacement character is simply KeyCode::A |
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| 214 | code = KeyCode::A; |
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| 215 | } |
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| 216 | this->buffer_->buttonPressed(KeyEvent(code, c, 0)); |
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| 217 | } |
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| 218 | } |
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| 219 | } |
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[6015] | 220 | // Reset error flags in std::cin |
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| 221 | std::cin.clear(); |
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[5973] | 222 | |
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[5975] | 223 | // If there is still an escape key pending (escape key ONLY), then |
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[5995] | 224 | // it sure isn't an escape sequence anymore |
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| 225 | if (escapeMode == EscapeMode::First) |
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[5983] | 226 | this->buffer_->buttonPressed(KeyEvent(KeyCode::Escape, '\033', 0)); |
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[5975] | 227 | |
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[6013] | 228 | // Determine terminal width and height |
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[6014] | 229 | this->lastTerminalWidth_ = this->terminalWidth_; |
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| 230 | this->lastTerminalHeight_ = this->terminalHeight_; |
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[6013] | 231 | this->getTerminalSize(); |
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| 232 | |
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[6014] | 233 | int heightDiff = this->terminalHeight_ - this->lastTerminalHeight_; |
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| 234 | if (this->bStatusPrinted_ && heightDiff < 0) |
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| 235 | { |
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[6015] | 236 | // Terminal width has shrunk. The cursor will still be on the input line, |
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[6014] | 237 | // but that line might very well be the last |
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| 238 | int newLines = std::min((int)this->statusLineWidths_.size(), -heightDiff); |
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[6089] | 239 | // Scroll terminal to create new lines |
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[6103] | 240 | this->cout_ << "\033[" << newLines << 'S'; |
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[6014] | 241 | } |
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| 242 | |
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[6013] | 243 | if (!this->bStatusPrinted_ && this->willPrintStatusLines()) |
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| 244 | { |
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[6089] | 245 | // Scroll console to make way for status lines |
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[6103] | 246 | this->cout_ << "\033[" << this->statusLineWidths_.size() << 'S'; |
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[6013] | 247 | this->bStatusPrinted_ = true; |
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| 248 | } |
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[6103] | 249 | |
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[6178] | 250 | // We always assume that the cursor is on the input line. |
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[6103] | 251 | // But we cannot always be sure about that, esp. if we scroll the console |
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| 252 | this->cout_ << "\033[" << this->statusLineWidths_.size() << 'B'; |
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| 253 | this->cout_ << "\033[" << this->statusLineWidths_.size() << 'A'; |
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| 254 | |
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[6014] | 255 | // Erase status and input lines |
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[6037] | 256 | this->cout_ << "\033[1G\033[J"; |
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[6013] | 257 | this->printInputLine(); |
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[6004] | 258 | this->printStatusLines(); |
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[6037] | 259 | this->cout_.flush(); |
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[6103] | 260 | |
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| 261 | // Process output written to std::cout |
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[6214] | 262 | std::cout.flush(); |
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[6103] | 263 | if (!this->origCout_.str().empty()) |
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| 264 | { |
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[6180] | 265 | this->shell_->addOutputLine(this->origCout_.str(), Shell::None); |
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[6103] | 266 | this->origCout_.str(""); |
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| 267 | } |
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[5971] | 268 | } |
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| 269 | |
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[6180] | 270 | void IOConsole::printOutputLine(const std::string& text, Shell::LineType type) |
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[5971] | 271 | { |
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[6044] | 272 | /* |
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[5971] | 273 | // Colour line |
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[6180] | 274 | switch (type) |
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[5971] | 275 | { |
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[6180] | 276 | case Shell::None: this->cout_ << "\033[37m"; break; |
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| 277 | case Shell::Error: this->cout_ << "\033[91m"; break; |
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| 278 | case Shell::Warning: this->cout_ << "\033[31m"; break; |
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| 279 | case Shell::Info: this->cout_ << "\033[34m"; break; |
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| 280 | case Shell::Debug: this->cout_ << "\033[36m"; break; |
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| 281 | case Shell::Verbose: this->cout_ << "\033[35m"; break; |
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| 282 | case Shell::Ultra: this->cout_ << "\033[37m"; break; |
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[5972] | 283 | default: break; |
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[5971] | 284 | } |
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[5995] | 285 | */ |
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[5971] | 286 | |
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| 287 | // Print output line |
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[6180] | 288 | this->cout_ << text; |
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[5971] | 289 | |
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[5983] | 290 | // Reset colour to white |
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[6037] | 291 | // this->cout_ << "\033[37m"; |
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[5971] | 292 | } |
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| 293 | |
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| 294 | void IOConsole::printInputLine() |
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| 295 | { |
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[5995] | 296 | // Set cursor to the beginning of the line and erase the line |
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[6037] | 297 | this->cout_ << "\033[1G\033[K"; |
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[5995] | 298 | // Indicate a command prompt |
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[6037] | 299 | this->cout_ << this->promptString_; |
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[5995] | 300 | // Save cursor position |
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[6037] | 301 | this->cout_ << "\033[s"; |
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[5995] | 302 | // Print command line buffer |
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[6037] | 303 | this->cout_ << this->shell_->getInput(); |
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[5995] | 304 | // Restore cursor position and move it to the right |
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[6037] | 305 | this->cout_ << "\033[u"; |
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[5971] | 306 | if (this->buffer_->getCursorPosition() > 0) |
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[6037] | 307 | this->cout_ << "\033[" << this->buffer_->getCursorPosition() << "C"; |
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[5971] | 308 | } |
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| 309 | |
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[5995] | 310 | void IOConsole::printStatusLines() |
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| 311 | { |
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[6013] | 312 | if (this->willPrintStatusLines()) |
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[5995] | 313 | { |
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[6013] | 314 | // Save cursor position |
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[6037] | 315 | this->cout_ << "\033[s"; |
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[6013] | 316 | // Move cursor down (don't create a new line here because the buffer might flush then!) |
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[6089] | 317 | this->cout_ << "\033[1B\033[1G"; |
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[6044] | 318 | this->cout_ << std::fixed << std::setprecision(2) << std::setw(5) << Game::getInstance().getAvgFPS() << " fps, "; |
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| 319 | this->cout_ << std::setprecision(2) << std::setw(5) << Game::getInstance().getAvgTickTime() << " ms tick time"; |
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[6013] | 320 | // Restore cursor position |
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[6037] | 321 | this->cout_ << "\033[u"; |
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[6004] | 322 | this->bStatusPrinted_ = true; |
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[5995] | 323 | } |
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[6013] | 324 | else |
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| 325 | this->bStatusPrinted_ = false; |
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[5995] | 326 | } |
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| 327 | |
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[6015] | 328 | void IOConsole::setTerminalMode() |
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[5995] | 329 | { |
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[6015] | 330 | termios new_settings; |
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[6172] | 331 | this->originalTerminalSettings_ = new termios(); |
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[6015] | 332 | |
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[6172] | 333 | tcgetattr(0, this->originalTerminalSettings_); |
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| 334 | new_settings = *this->originalTerminalSettings_; |
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[6015] | 335 | new_settings.c_lflag &= ~(ICANON | ECHO); |
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| 336 | //new_settings.c_lflag |= (ISIG | IEXTEN); |
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| 337 | new_settings.c_cc[VTIME] = 0; |
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| 338 | new_settings.c_cc[VMIN] = 0; |
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| 339 | tcsetattr(0, TCSANOW, &new_settings); |
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[6171] | 340 | atexit(&IOConsole::resetTerminalMode); |
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[6013] | 341 | } |
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| 342 | |
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[6171] | 343 | /*static*/ void IOConsole::resetTerminalMode() |
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[6015] | 344 | { |
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[6172] | 345 | if(IOConsole::singletonPtr_s && IOConsole::singletonPtr_s->originalTerminalSettings_) |
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[6171] | 346 | { |
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[6172] | 347 | tcsetattr(0, TCSANOW, IOConsole::singletonPtr_s->originalTerminalSettings_); |
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| 348 | delete IOConsole::singletonPtr_s->originalTerminalSettings_; |
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| 349 | IOConsole::singletonPtr_s->originalTerminalSettings_ = 0; |
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[6171] | 350 | } |
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[6015] | 351 | } |
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| 352 | |
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[6013] | 353 | void IOConsole::getTerminalSize() |
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| 354 | { |
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[5995] | 355 | #ifdef TIOCGSIZE |
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| 356 | struct ttysize win; |
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[6013] | 357 | if (!ioctl(STDIN_FILENO, TIOCGSIZE, &win)) |
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| 358 | { |
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| 359 | this->terminalWidth_ = win.ts_cols; |
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| 360 | this->terminalHeight_ = win.ts_lines; |
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| 361 | return; |
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| 362 | } |
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| 363 | #elif defined TIOCGWINSZ |
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[5995] | 364 | struct winsize win; |
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[6013] | 365 | if (!ioctl(STDIN_FILENO, TIOCGWINSZ, &win)) |
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[5995] | 366 | { |
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[6013] | 367 | this->terminalWidth_ = win.ws_col; |
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| 368 | this->terminalHeight_ = win.ws_row; |
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| 369 | return; |
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[5995] | 370 | } |
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[6013] | 371 | #else |
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| 372 | const char* s = getenv("COLUMNS"); |
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| 373 | this->terminalWidth_ = s ? strtol(s, NULL, 10) : 80; |
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| 374 | s = getenv("LINES"); |
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| 375 | this->terminalHeight_ = s ? strtol(s, NULL, 10) : 24; |
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| 376 | return; |
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[5995] | 377 | #endif |
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[6013] | 378 | this->terminalWidth_ = 80; |
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| 379 | this->terminalHeight_ = 24; |
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[5995] | 380 | } |
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| 381 | |
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[6177] | 382 | inline bool IOConsole::willPrintStatusLines() |
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| 383 | { |
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| 384 | return !this->statusLineWidths_.empty() |
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| 385 | && this->terminalWidth_ >= this->statusLineMaxWidth_ |
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[6179] | 386 | && this->terminalHeight_ >= this->minOutputLines_ + (int)this->statusLineWidths_.size(); |
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[6177] | 387 | } |
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| 388 | |
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[5971] | 389 | // ############################### |
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| 390 | // ### ShellListener methods ### |
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| 391 | // ############################### |
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| 392 | |
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[6015] | 393 | //! Called if only the last output-line has changed |
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[5971] | 394 | void IOConsole::onlyLastLineChanged() |
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| 395 | { |
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[5995] | 396 | // Save cursor position and move it to the beginning of the first output line |
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[6089] | 397 | this->cout_ << "\033[s\033[1A\033[1G"; |
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[5995] | 398 | // Erase the line |
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[6037] | 399 | this->cout_ << "\033[K"; |
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[5995] | 400 | // Reprint the last output line |
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[6181] | 401 | this->printOutputLine(this->shell_->getNewestLineIterator()->first, this->shell_->getNewestLineIterator()->second); |
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[5994] | 402 | // Restore cursor |
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[6037] | 403 | this->cout_ << "\033[u"; |
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| 404 | this->cout_.flush(); |
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[5971] | 405 | } |
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| 406 | |
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[6015] | 407 | //! Called if a new output-line was added |
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[5971] | 408 | void IOConsole::lineAdded() |
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| 409 | { |
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[6180] | 410 | int newLines = this->shell_->getNewestLineIterator()->first.size() / this->terminalWidth_ + 1; |
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[6103] | 411 | // Create new lines by scrolling the screen |
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| 412 | this->cout_ << "\033[" << newLines << 'S'; |
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[6013] | 413 | // Move cursor to the beginning of the new (last) output line |
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[6103] | 414 | this->cout_ << "\033[" << newLines << "A\033[1G"; |
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[6013] | 415 | // Erase screen from here |
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[6037] | 416 | this->cout_ << "\033[J"; |
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[6103] | 417 | // Print the new output lines |
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[6014] | 418 | for (int i = 0; i < newLines; ++i) |
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[6181] | 419 | { |
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| 420 | Shell::LineList::const_iterator it = this->shell_->getNewestLineIterator(); |
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| 421 | this->printOutputLine(it->first.substr(i*this->terminalWidth_, this->terminalWidth_), it->second); |
---|
| 422 | } |
---|
[6013] | 423 | // Move cursor down |
---|
[6089] | 424 | this->cout_ << "\033[1B\033[1G"; |
---|
[6013] | 425 | // Print status and input lines |
---|
| 426 | this->printInputLine(); |
---|
[6004] | 427 | this->printStatusLines(); |
---|
[6037] | 428 | this->cout_.flush(); |
---|
[5971] | 429 | } |
---|
[6177] | 430 | |
---|
| 431 | //! Called if the text in the input-line has changed |
---|
| 432 | void IOConsole::inputChanged() |
---|
| 433 | { |
---|
| 434 | this->printInputLine(); |
---|
| 435 | this->cout_.flush(); |
---|
| 436 | } |
---|
| 437 | |
---|
| 438 | //! Called if the position of the cursor in the input-line has changed |
---|
| 439 | void IOConsole::cursorChanged() |
---|
| 440 | { |
---|
| 441 | this->printInputLine(); |
---|
| 442 | this->cout_.flush(); |
---|
| 443 | } |
---|
[6015] | 444 | } |
---|
[5971] | 445 | |
---|
[6015] | 446 | #elif defined(ORXONOX_PLATFORM_WINDOWS) |
---|
| 447 | // ################################## |
---|
| 448 | // ### Windows Implementation ### |
---|
| 449 | // ################################## |
---|
| 450 | |
---|
[6140] | 451 | #include <windows.h> |
---|
| 452 | |
---|
[6015] | 453 | namespace orxonox |
---|
| 454 | { |
---|
[6178] | 455 | //! Redirects std::cout, creates the corresponding Shell and changes the terminal mode |
---|
[6015] | 456 | IOConsole::IOConsole() |
---|
[6180] | 457 | : shell_(new Shell("IOConsole", false)) |
---|
[6015] | 458 | , buffer_(shell_->getInputBuffer()) |
---|
[6041] | 459 | , cout_(std::cout.rdbuf()) |
---|
[6015] | 460 | , promptString_("orxonox # ") |
---|
[6196] | 461 | , inputLineHeight_(1) |
---|
[6177] | 462 | , statusLines_(1) |
---|
[6178] | 463 | , lastOutputLineHeight_(0) |
---|
[5971] | 464 | { |
---|
[6037] | 465 | // Disable standard this->cout_ logging |
---|
[6015] | 466 | OutputHandler::getInstance().disableCout(); |
---|
[6140] | 467 | // Redirect std::cout to an ostringstream |
---|
| 468 | // (Other part is in the initialiser list) |
---|
| 469 | std::cout.rdbuf(this->origCout_.rdbuf()); |
---|
| 470 | |
---|
[6177] | 471 | this->setTerminalMode(); |
---|
| 472 | CONSOLE_SCREEN_BUFFER_INFO screenBufferInfo; |
---|
| 473 | GetConsoleScreenBufferInfo(this->stdOutHandle_, &screenBufferInfo); |
---|
| 474 | this->terminalWidth_ = screenBufferInfo.dwSize.X; |
---|
| 475 | this->terminalHeight_ = screenBufferInfo.dwSize.Y; |
---|
[6178] | 476 | // Determines where we are in respect to output already written with std::cout |
---|
| 477 | this->inputLineRow_ = screenBufferInfo.dwCursorPosition.Y; |
---|
| 478 | /* |
---|
[6177] | 479 | this->lastTerminalWidth_ = this->terminalWidth_; |
---|
| 480 | this->lastTerminalHeight_ = this->terminalHeight_; |
---|
[6178] | 481 | */ |
---|
[6177] | 482 | |
---|
| 483 | // Cursor already at the end of the screen buffer? |
---|
| 484 | // (assuming the current input line height is 1) |
---|
[6178] | 485 | if (this->inputLineRow_ >= this->terminalHeight_ - this->statusLines_) |
---|
| 486 | SetConsoleCursorPosition(this->stdOutHandle_, makeCOORD(0, this->terminalHeight_ - this->statusLines_)); |
---|
[6177] | 487 | |
---|
| 488 | // Prevent input line from overflowing |
---|
| 489 | int maxInputLength = (this->terminalHeight_ - this->statusLines_) * this->terminalWidth_ - 1 - this->promptString_.size(); |
---|
| 490 | // Consider that the echo of a command might include the command plus some other characters (assumed max 80) |
---|
| 491 | // Also put a minimum so the config file parser is not overwhelmed with the command history |
---|
[6178] | 492 | this->buffer_->setMaxLength(std::min(8192, (maxInputLength - 80) / 2)); |
---|
[6177] | 493 | |
---|
| 494 | // Print input and status line and position cursor |
---|
[6178] | 495 | this->inputChanged(); |
---|
| 496 | this->cursorChanged(); |
---|
[6177] | 497 | this->lastRefreshTime_ = Game::getInstance().getGameClock().getRealMicroseconds(); |
---|
[6183] | 498 | this->preUpdate(Game::getInstance().getGameClock()); |
---|
[6177] | 499 | |
---|
| 500 | this->shell_->registerListener(this); |
---|
[5971] | 501 | } |
---|
| 502 | |
---|
[6178] | 503 | //! Resets std::cout redirection and restores the terminal mode |
---|
[6015] | 504 | IOConsole::~IOConsole() |
---|
[5971] | 505 | { |
---|
[6177] | 506 | this->shell_->unregisterListener(this); |
---|
[6140] | 507 | // Empty all buffers |
---|
[6183] | 508 | this->preUpdate(Game::getInstance().getGameClock()); |
---|
[6140] | 509 | |
---|
[6177] | 510 | // Erase input and status lines |
---|
| 511 | COORD pos = {0, this->inputLineRow_}; |
---|
| 512 | this->writeText(std::string((this->inputLineHeight_ + this->statusLines_) * this->terminalWidth_, ' '), pos); |
---|
| 513 | // Move cursor to the beginning of the line |
---|
| 514 | SetConsoleCursorPosition(stdOutHandle_, pos); |
---|
[6015] | 515 | |
---|
[6140] | 516 | // Restore this->cout_ redirection |
---|
| 517 | std::cout.rdbuf(this->cout_.rdbuf()); |
---|
[6037] | 518 | // Enable standard this->cout_ logging again |
---|
[6015] | 519 | OutputHandler::getInstance().enableCout(); |
---|
[6177] | 520 | |
---|
| 521 | resetTerminalMode(); |
---|
| 522 | this->shell_->destroy(); |
---|
[5971] | 523 | } |
---|
| 524 | |
---|
[6178] | 525 | //! Processes the pending input key strokes, refreshes the status lines and handles std::cout (redirected) |
---|
[6183] | 526 | void IOConsole::preUpdate(const Clock& time) |
---|
[5983] | 527 | { |
---|
[6177] | 528 | // Process input |
---|
[6140] | 529 | while (true) |
---|
[6015] | 530 | { |
---|
[6140] | 531 | DWORD count; |
---|
| 532 | INPUT_RECORD inrec; |
---|
| 533 | PeekConsoleInput(this->stdInHandle_, &inrec, 1, &count); |
---|
| 534 | if (count == 0) |
---|
[6015] | 535 | break; |
---|
[6140] | 536 | ReadConsoleInput(this->stdInHandle_, &inrec, 1, &count); |
---|
| 537 | if (inrec.EventType == KEY_EVENT && inrec.Event.KeyEvent.bKeyDown) |
---|
| 538 | { |
---|
| 539 | // Process keyboard modifiers (Ctrl, Alt and Shift) |
---|
| 540 | DWORD modifiersIn = inrec.Event.KeyEvent.dwControlKeyState; |
---|
| 541 | int modifiersOut = 0; |
---|
| 542 | if ((modifiersIn & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) != 0) |
---|
| 543 | modifiersOut |= KeyboardModifier::Alt; |
---|
| 544 | if ((modifiersIn & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) != 0) |
---|
| 545 | modifiersOut |= KeyboardModifier::Ctrl; |
---|
| 546 | if ((modifiersIn & SHIFT_PRESSED) != 0) |
---|
| 547 | modifiersOut |= KeyboardModifier::Shift; |
---|
| 548 | |
---|
| 549 | // ASCII character (0 for special keys) |
---|
| 550 | char asciiChar = inrec.Event.KeyEvent.uChar.AsciiChar; |
---|
| 551 | |
---|
| 552 | // Process special keys and if not found, use Key::A as dummy (InputBuffer uses the ASCII text anyway) |
---|
| 553 | switch (inrec.Event.KeyEvent.wVirtualKeyCode) |
---|
| 554 | { |
---|
| 555 | case VK_BACK: this->buffer_->buttonPressed(KeyEvent(KeyCode::Back, asciiChar, modifiersOut)); break; |
---|
[6177] | 556 | case VK_TAB: this->buffer_->buttonPressed(KeyEvent(KeyCode::Tab, asciiChar, modifiersOut)); break; |
---|
| 557 | case VK_RETURN: this->buffer_->buttonPressed(KeyEvent(KeyCode::Return, asciiChar, modifiersOut)); break; |
---|
[6140] | 558 | case VK_PAUSE: this->buffer_->buttonPressed(KeyEvent(KeyCode::Pause, asciiChar, modifiersOut)); break; |
---|
| 559 | case VK_ESCAPE: this->buffer_->buttonPressed(KeyEvent(KeyCode::Escape, asciiChar, modifiersOut)); break; |
---|
| 560 | case VK_SPACE: this->buffer_->buttonPressed(KeyEvent(KeyCode::Space, asciiChar, modifiersOut)); break; |
---|
| 561 | case VK_PRIOR: this->buffer_->buttonPressed(KeyEvent(KeyCode::PageUp, asciiChar, modifiersOut)); break; |
---|
| 562 | case VK_NEXT: this->buffer_->buttonPressed(KeyEvent(KeyCode::PageDown, asciiChar, modifiersOut)); break; |
---|
| 563 | case VK_END: this->buffer_->buttonPressed(KeyEvent(KeyCode::End, asciiChar, modifiersOut)); break; |
---|
| 564 | case VK_HOME: this->buffer_->buttonPressed(KeyEvent(KeyCode::Home, asciiChar, modifiersOut)); break; |
---|
| 565 | case VK_LEFT: this->buffer_->buttonPressed(KeyEvent(KeyCode::Left, asciiChar, modifiersOut)); break; |
---|
| 566 | case VK_UP: this->buffer_->buttonPressed(KeyEvent(KeyCode::Up, asciiChar, modifiersOut)); break; |
---|
| 567 | case VK_RIGHT: this->buffer_->buttonPressed(KeyEvent(KeyCode::Right, asciiChar, modifiersOut)); break; |
---|
| 568 | case VK_DOWN: this->buffer_->buttonPressed(KeyEvent(KeyCode::Down, asciiChar, modifiersOut)); break; |
---|
| 569 | case VK_INSERT: this->buffer_->buttonPressed(KeyEvent(KeyCode::Insert, asciiChar, modifiersOut)); break; |
---|
| 570 | case VK_DELETE: this->buffer_->buttonPressed(KeyEvent(KeyCode::Delete, asciiChar, modifiersOut)); break; |
---|
| 571 | default: this->buffer_->buttonPressed(KeyEvent(KeyCode::A, asciiChar, modifiersOut)); |
---|
| 572 | } |
---|
| 573 | } |
---|
[6015] | 574 | } |
---|
| 575 | |
---|
[6177] | 576 | // TODO: Respect screen buffer size changes |
---|
[6178] | 577 | /* |
---|
[6177] | 578 | // The user can manually adjust the screen buffer size on Windows |
---|
| 579 | // And we don't want to screw the console because of that |
---|
[6178] | 580 | this->lastTerminalWidth_ = this->terminalWidth_; |
---|
| 581 | this->lastTerminalHeight_ = this->terminalHeight_; |
---|
| 582 | this->getTerminalSize(); // Also sets this->inputLineRow_ according to the cursor position |
---|
[6177] | 583 | // Is there still enough space below the cursor for the status line(s)? |
---|
[6178] | 584 | if (this->inputLineRow_ >= this->terminalHeight_ - this->statusLines_) |
---|
| 585 | this->moveCursor(0, -this->inputLineRow_ + this->terminalHeight_ - this->statusLines_ - 1); |
---|
| 586 | */ |
---|
[6140] | 587 | |
---|
[6177] | 588 | // Refresh status line 5 times per second |
---|
| 589 | if (time.getMicroseconds() > this->lastRefreshTime_ + 1000000) |
---|
| 590 | { |
---|
| 591 | this->printStatusLines(); |
---|
| 592 | this->lastRefreshTime_ = time.getMicroseconds(); |
---|
| 593 | } |
---|
[6140] | 594 | |
---|
| 595 | // Process output written to std::cout |
---|
| 596 | if (!this->origCout_.str().empty()) |
---|
| 597 | { |
---|
[6180] | 598 | this->shell_->addOutputLine(this->origCout_.str(), Shell::None); |
---|
[6140] | 599 | this->origCout_.str(""); |
---|
| 600 | } |
---|
[5983] | 601 | } |
---|
| 602 | |
---|
[6178] | 603 | //! Prints output text. Similar to writeText, but sets the colour according to the output level |
---|
[6180] | 604 | void IOConsole::printOutputLine(const std::string& text, Shell::LineType type, const COORD& pos) |
---|
[6015] | 605 | { |
---|
[6140] | 606 | // Colour line |
---|
[6177] | 607 | WORD colour = 0; |
---|
[6180] | 608 | switch (type) |
---|
[6140] | 609 | { |
---|
[6180] | 610 | case Shell::Error: colour = FOREGROUND_INTENSITY | FOREGROUND_RED; break; |
---|
| 611 | case Shell::Warning: colour = FOREGROUND_INTENSITY | FOREGROUND_GREEN | FOREGROUND_RED; break; |
---|
| 612 | case Shell::Info: |
---|
| 613 | case Shell::Debug: |
---|
| 614 | case Shell::Verbose: |
---|
| 615 | case Shell::Ultra: colour = FOREGROUND_INTENSITY ; break; |
---|
| 616 | case Shell::Command: colour = FOREGROUND_GREEN | FOREGROUND_BLUE; break; |
---|
| 617 | case Shell::Hint: colour = FOREGROUND_GREEN | FOREGROUND_RED ; break; |
---|
| 618 | default: colour = FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE; break; |
---|
[6140] | 619 | } |
---|
| 620 | |
---|
| 621 | // Print output line |
---|
[6180] | 622 | this->writeText(text, pos, colour); |
---|
[6015] | 623 | } |
---|
[5983] | 624 | |
---|
[6178] | 625 | //! Prints all status lines with current content |
---|
[6015] | 626 | void IOConsole::printStatusLines() |
---|
| 627 | { |
---|
[6177] | 628 | // Prepare text to be written |
---|
| 629 | std::ostringstream oss; |
---|
| 630 | oss << std::fixed << std::setprecision(2) << std::setw(5) << Game::getInstance().getAvgFPS() << " fps, "; |
---|
| 631 | oss << std::setprecision(2) << std::setw(5) << Game::getInstance().getAvgTickTime() << " ms tick time"; |
---|
| 632 | // Clear rest of the line by inserting spaces |
---|
| 633 | oss << std::string(this->terminalWidth_ - oss.str().size(), ' '); |
---|
[6178] | 634 | this->writeText(oss.str(), makeCOORD(0, this->inputLineRow_ + this->inputLineHeight_), FOREGROUND_GREEN); |
---|
[6015] | 635 | } |
---|
| 636 | |
---|
[6178] | 637 | //! Changes the console parameters for unbuffered input |
---|
[6015] | 638 | void IOConsole::setTerminalMode() |
---|
| 639 | { |
---|
[6140] | 640 | // Set the console mode to no-echo, raw input, and no window or mouse events |
---|
| 641 | this->stdOutHandle_ = GetStdHandle(STD_OUTPUT_HANDLE); |
---|
| 642 | this->stdInHandle_ = GetStdHandle(STD_INPUT_HANDLE); |
---|
| 643 | if (this->stdInHandle_ == INVALID_HANDLE_VALUE |
---|
| 644 | || !GetConsoleMode(this->stdInHandle_, &this->originalTerminalSettings_) |
---|
| 645 | || !SetConsoleMode(this->stdInHandle_, 0)) |
---|
| 646 | { |
---|
| 647 | COUT(1) << "Error: Could not set Windows console settings" << std::endl; |
---|
| 648 | return; |
---|
| 649 | } |
---|
| 650 | FlushConsoleInputBuffer(this->stdInHandle_); |
---|
[6015] | 651 | } |
---|
| 652 | |
---|
[6178] | 653 | //! Restores the console parameters |
---|
[6015] | 654 | void IOConsole::resetTerminalMode() |
---|
| 655 | { |
---|
[6140] | 656 | SetConsoleMode(this->stdInHandle_, this->originalTerminalSettings_); |
---|
[6015] | 657 | } |
---|
| 658 | |
---|
[6178] | 659 | //! Sets this->terminalWidth_ and this->terminalHeight_ |
---|
[6177] | 660 | void IOConsole::getTerminalSize() |
---|
[6140] | 661 | { |
---|
[6177] | 662 | CONSOLE_SCREEN_BUFFER_INFO screenBufferInfo; |
---|
| 663 | GetConsoleScreenBufferInfo(this->stdOutHandle_, &screenBufferInfo); |
---|
| 664 | this->terminalWidth_ = screenBufferInfo.dwSize.X; |
---|
| 665 | this->terminalHeight_ = screenBufferInfo.dwSize.Y; |
---|
[6140] | 666 | } |
---|
| 667 | |
---|
[6178] | 668 | //! Writes arbitrary text to the console with a certain colour and screen buffer position |
---|
[6177] | 669 | void IOConsole::writeText(const std::string& text, const COORD& coord, WORD attributes) |
---|
[6140] | 670 | { |
---|
| 671 | DWORD count; |
---|
[6177] | 672 | WriteConsoleOutputCharacter(stdOutHandle_, text.c_str(), text.size(), coord, &count); |
---|
[6178] | 673 | FillConsoleOutputAttribute(stdOutHandle_, attributes, text.size(), coord, &count); |
---|
[6140] | 674 | } |
---|
| 675 | |
---|
[6178] | 676 | /** Scrolls the console screen buffer to create empty lines above the input line. |
---|
| 677 | @details |
---|
| 678 | If the input and status lines are already at the bottom of the screen buffer |
---|
| 679 | the whole output gets scrolled up. In the other case the input and status |
---|
| 680 | lines get scrolled down. |
---|
| 681 | In any case the status and input lines get scrolled down as far as possible. |
---|
| 682 | @param lines |
---|
| 683 | Number of lines to be inserted. Behavior for negative values is undefined. |
---|
| 684 | */ |
---|
| 685 | void IOConsole::createNewOutputLines(int lines) |
---|
[6015] | 686 | { |
---|
[6196] | 687 | CHAR_INFO fillChar = {{' '}, FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED}; |
---|
[6178] | 688 | // Lines to scroll input/status down (if possible) |
---|
| 689 | int linesDown = clamp(terminalHeight_ - inputLineRow_ - inputLineHeight_ - statusLines_, 0, lines); |
---|
| 690 | if (linesDown > 0) |
---|
[6177] | 691 | { |
---|
| 692 | // Scroll input and status lines down |
---|
[6178] | 693 | SMALL_RECT oldRect = {0, this->inputLineRow_, |
---|
| 694 | this->terminalWidth_ - 1, this->inputLineRow_ + this->inputLineHeight_ + this->statusLines_ - 1}; |
---|
| 695 | this->inputLineRow_ += linesDown; |
---|
| 696 | ScrollConsoleScreenBuffer(stdOutHandle_, &oldRect, NULL, makeCOORD(0, this->inputLineRow_), &fillChar); |
---|
[6177] | 697 | // Move cursor down to the new bottom so the user can see the status lines |
---|
| 698 | COORD pos = {0, this->inputLineRow_ + this->inputLineHeight_ - 1 + this->statusLines_}; |
---|
| 699 | SetConsoleCursorPosition(stdOutHandle_, pos); |
---|
| 700 | // Get cursor back to the right position |
---|
| 701 | this->cursorChanged(); |
---|
| 702 | } |
---|
[6178] | 703 | // Check how many lines we still have to scroll up the output |
---|
| 704 | if (lines - linesDown > 0) |
---|
| 705 | { |
---|
| 706 | // Scroll output up |
---|
| 707 | SMALL_RECT oldRect = {0, lines - linesDown, this->terminalWidth_ - 1, this->inputLineRow_ - 1}; |
---|
| 708 | ScrollConsoleScreenBuffer(stdOutHandle_, &oldRect, NULL, makeCOORD(0, 0), &fillChar); |
---|
| 709 | } |
---|
[6015] | 710 | } |
---|
| 711 | |
---|
| 712 | // ############################### |
---|
| 713 | // ### ShellListener methods ### |
---|
| 714 | // ############################### |
---|
| 715 | |
---|
[6178] | 716 | //! Called if the text in the input line has changed |
---|
[6177] | 717 | void IOConsole::inputChanged() |
---|
| 718 | { |
---|
[6178] | 719 | int newInputLineLength = this->promptString_.size() + this->shell_->getInput().size(); |
---|
| 720 | int newInputLineHeight = 1 + newInputLineLength / this->terminalWidth_; |
---|
| 721 | int newLines = newInputLineHeight - this->inputLineHeight_; |
---|
[6177] | 722 | if (newLines > 0) |
---|
| 723 | { |
---|
| 724 | // Abuse this function to scroll the console |
---|
| 725 | this->createNewOutputLines(newLines); |
---|
[6178] | 726 | // Either Compensate for side effects (input/status lines scrolled down) |
---|
| 727 | // or we have to do this anyway (output scrolled up) |
---|
| 728 | this->inputLineRow_ -= newLines; |
---|
[6177] | 729 | } |
---|
| 730 | else if (newLines < 0) |
---|
| 731 | { |
---|
| 732 | // Scroll status lines up |
---|
[6178] | 733 | int statusLineRow = this->inputLineRow_ + this->inputLineHeight_; |
---|
| 734 | SMALL_RECT oldRect = {0, statusLineRow, this->terminalWidth_ - 1, statusLineRow + this->statusLines_}; |
---|
[6196] | 735 | CHAR_INFO fillChar = {{' '}, FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED}; |
---|
[6178] | 736 | ScrollConsoleScreenBuffer(stdOutHandle_, &oldRect, NULL, makeCOORD(0, statusLineRow + newLines), &fillChar); |
---|
[6177] | 737 | // Clear potential leftovers |
---|
| 738 | if (-newLines - this->statusLines_ > 0) |
---|
| 739 | { |
---|
[6178] | 740 | COORD pos = {0, this->inputLineRow_ + newInputLineHeight + this->statusLines_}; |
---|
[6177] | 741 | this->writeText(std::string((-newLines - this->statusLines_) * this->terminalWidth_, ' '), pos); |
---|
| 742 | } |
---|
| 743 | } |
---|
[6178] | 744 | this->inputLineHeight_ = newInputLineHeight; |
---|
[6177] | 745 | |
---|
[6178] | 746 | // Print the whole line, including spaces that erase leftovers |
---|
| 747 | std::string inputLine = this->promptString_ + this->shell_->getInput(); |
---|
| 748 | inputLine += std::string(this->terminalWidth_ - newInputLineLength % this->terminalWidth_, ' '); |
---|
| 749 | this->writeText(inputLine, makeCOORD(0, this->inputLineRow_), FOREGROUND_GREEN | FOREGROUND_INTENSITY); |
---|
[6177] | 750 | // If necessary, move cursor |
---|
| 751 | if (newLines != 0) |
---|
| 752 | this->cursorChanged(); |
---|
| 753 | } |
---|
| 754 | |
---|
| 755 | //! Called if the position of the cursor in the input-line has changed |
---|
| 756 | void IOConsole::cursorChanged() |
---|
| 757 | { |
---|
[6178] | 758 | int rawCursorPos = this->promptString_.size() + this->buffer_->getCursorPosition(); |
---|
| 759 | // Compensate for cursor further to the right than the terminal width |
---|
[6177] | 760 | COORD pos; |
---|
[6178] | 761 | pos.X = rawCursorPos % this->terminalWidth_; |
---|
| 762 | pos.Y = this->inputLineRow_ + rawCursorPos / this->terminalWidth_; |
---|
[6177] | 763 | SetConsoleCursorPosition(stdOutHandle_, pos); |
---|
| 764 | } |
---|
| 765 | |
---|
[6015] | 766 | //! Called if only the last output-line has changed |
---|
| 767 | void IOConsole::onlyLastLineChanged() |
---|
| 768 | { |
---|
[6180] | 769 | int newLineHeight = 1 + this->shell_->getNewestLineIterator()->first.size() / this->terminalWidth_; |
---|
[6178] | 770 | // Compute the number of new lines needed |
---|
| 771 | int newLines = newLineHeight - this->lastOutputLineHeight_; |
---|
| 772 | this->lastOutputLineHeight_ = newLineHeight; |
---|
| 773 | // Scroll console if necessary |
---|
| 774 | if (newLines > 0) // newLines < 0 is assumed impossible |
---|
[6177] | 775 | this->createNewOutputLines(newLines); |
---|
[6180] | 776 | Shell::LineList::const_iterator it = this->shell_->getNewestLineIterator(); |
---|
| 777 | this->printOutputLine(it->first, it->second, makeCOORD(0, this->inputLineRow_ - newLineHeight)); |
---|
[6015] | 778 | } |
---|
| 779 | |
---|
[6178] | 780 | //! Called if a new output line was added |
---|
[6015] | 781 | void IOConsole::lineAdded() |
---|
| 782 | { |
---|
[6180] | 783 | Shell::LineList::const_iterator it = this->shell_->getNewestLineIterator(); |
---|
[6178] | 784 | // Scroll console |
---|
[6180] | 785 | this->lastOutputLineHeight_ = 1 + it->first.size() / this->terminalWidth_; |
---|
[6178] | 786 | this->createNewOutputLines(this->lastOutputLineHeight_); |
---|
[6177] | 787 | // Write the text |
---|
| 788 | COORD pos = {0, this->inputLineRow_ - this->lastOutputLineHeight_}; |
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[6180] | 789 | this->printOutputLine(it->first, it->second, pos); |
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[6015] | 790 | } |
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[5971] | 791 | } |
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[6015] | 792 | |
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| 793 | #endif /* ORXONOX_PLATFORM_UNIX */ |
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