1 | /* |
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2 | orxonox - the future of 3D-vertical-scrollers |
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3 | |
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4 | Copyright (C) 2004 orx |
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5 | |
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6 | This program is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2, or (at your option) |
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9 | any later version. |
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10 | |
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11 | ### File Specific: |
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12 | main-programmer: ... |
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13 | co-programmer: ... |
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14 | */ |
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15 | |
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16 | //#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_ |
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17 | |
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18 | #include "shell_input.h" |
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19 | |
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20 | |
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21 | |
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22 | #include "shell_command.h" |
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23 | #include "shell_completion.h" |
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24 | #include "event_handler.h" |
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25 | |
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26 | #include "debug.h" |
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27 | #include "list.h" |
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28 | #include "compiler.h" |
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29 | #include "stdlibincl.h" |
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30 | #include "key_names.h" |
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31 | |
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32 | |
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33 | using namespace std; |
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34 | |
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35 | |
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36 | /** |
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37 | * standard constructor |
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38 | * @todo this constructor is not jet implemented - do it |
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39 | */ |
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40 | ShellInput::ShellInput () |
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41 | { |
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42 | this->pressedKey = SDLK_FIRST; |
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43 | |
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44 | this->inputLine = new char[1]; |
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45 | this->inputLine[0] = '\0'; |
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46 | this->inputHistory = new tList<char>; |
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47 | this->delayed = 0; |
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48 | this->setRepeatDelay(.3, .05); |
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49 | |
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50 | // subscribe all keyboard commands to ES_SEHLL |
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51 | EventHandler* evh = EventHandler::getInstance(); |
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52 | for (int i = 1; i < SDLK_LAST; i++) |
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53 | evh->subscribe(this, ES_SHELL, i); |
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54 | |
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55 | this->completion = new ShellCompletion; |
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56 | } |
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57 | |
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58 | /** |
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59 | * standard deconstructor |
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60 | */ |
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61 | ShellInput::~ShellInput () |
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62 | { |
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63 | // delete what has to be deleted here |
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64 | delete[] this->inputLine; |
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65 | delete this->completion; |
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66 | } |
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67 | |
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68 | /** |
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69 | * sets the Repeate-delay and rate |
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70 | * @param repeatDelay the Delay it takes, to repeate a key |
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71 | * @param repeatRate the rate to repeate a pressed key |
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72 | */ |
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73 | void ShellInput::setRepeatDelay(float repeatDelay, float repeatRate) |
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74 | { |
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75 | this->repeatDelay = repeatDelay; |
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76 | this->repeatRate = repeatRate; |
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77 | |
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78 | } |
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79 | |
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80 | /** |
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81 | * deletes the InputLine |
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82 | */ |
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83 | void ShellInput::flush() |
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84 | { |
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85 | if (likely(this->inputLine != NULL)) |
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86 | { |
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87 | delete[] this->inputLine; |
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88 | } |
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89 | this->inputLine = new char[1]; |
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90 | *this->inputLine = '\0'; |
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91 | this->setText(this->inputLine, true); |
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92 | } |
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93 | |
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94 | /** |
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95 | * adds one character to the inputLine |
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96 | * @param character the character to add to the inputLine |
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97 | */ |
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98 | void ShellInput::addCharacter(char character) |
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99 | { |
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100 | char* addCharLine = new char[strlen(inputLine)+2]; |
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101 | |
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102 | sprintf(addCharLine, "%s%c", this->inputLine, character); |
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103 | delete this->inputLine; |
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104 | this->inputLine = addCharLine; |
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105 | this->setText(inputLine, true); |
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106 | } |
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107 | |
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108 | /** |
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109 | * adds multiple Characters to thr inputLine |
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110 | * @param characters a \\0 terminated char-array to add to the InputLine |
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111 | */ |
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112 | void ShellInput::addCharacters(const char* characters) |
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113 | { |
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114 | char* addCharLine = new char[strlen(inputLine)+strlen(characters)+1]; |
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115 | |
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116 | sprintf(addCharLine, "%s%s", this->inputLine, characters); |
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117 | delete this->inputLine; |
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118 | this->inputLine = addCharLine; |
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119 | this->setText(inputLine, true); |
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120 | } |
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121 | |
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122 | /** |
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123 | * removes characterCount characters from the InputLine |
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124 | * @param characterCount the count of Characters to remove from the input Line |
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125 | */ |
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126 | void ShellInput::removeCharacters(unsigned int characterCount) |
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127 | { |
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128 | if (strlen(this->inputLine) == 0) |
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129 | return; |
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130 | |
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131 | if (characterCount > strlen(this->inputLine)) |
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132 | characterCount = strlen(this->inputLine); |
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133 | |
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134 | char* removeCharLine = new char[strlen(inputLine)-characterCount+1]; |
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135 | |
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136 | strncpy(removeCharLine, this->inputLine, strlen(inputLine)-characterCount); |
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137 | removeCharLine[strlen(inputLine)-characterCount] = '\0'; |
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138 | delete this->inputLine; |
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139 | this->inputLine = removeCharLine; |
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140 | this->setText(inputLine, true); |
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141 | } |
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142 | |
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143 | /** |
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144 | * executes the command stored in the inputLine |
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145 | * @return true if the command was commited successfully, false otherwise |
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146 | */ |
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147 | bool ShellInput::executeCommand() |
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148 | { |
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149 | ShellBuffer::addBufferLineStatic("Execute Command: %s\n", this->inputLine); |
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150 | |
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151 | char* newCommand = new char[strlen(this->inputLine)+1]; |
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152 | strcpy(newCommand, this->inputLine); |
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153 | this->inputHistory->add(newCommand); |
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154 | |
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155 | ShellCommandBase::execute(this->inputLine); |
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156 | |
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157 | this->flush(); |
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158 | |
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159 | return false; |
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160 | } |
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161 | |
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162 | |
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163 | /** |
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164 | * prints out some nice help about the Shell |
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165 | */ |
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166 | void ShellInput::help() const |
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167 | { |
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168 | PRINT(0)("Help for the most important Shell-commands\n"); |
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169 | PRINT(0)("F1 - HELP; F2 - DEBUG; ` - open/close shell\n"); |
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170 | PRINT(0)("input order:\n"); |
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171 | PRINT(0)("ClassName::objectName function [parameter1, [parameter2 ...]] or\n"); |
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172 | PRINT(0)("Command [parameter]\n"); |
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173 | } |
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174 | |
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175 | void ShellInput::tick(float dt) |
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176 | { |
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177 | if (this->delayed > 0.0) |
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178 | this->delayed -= dt; |
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179 | else if (this->pressedKey != SDLK_FIRST ) |
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180 | { |
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181 | this->delayed = this->repeatRate; |
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182 | if (this->pressedKey == SDLK_BACKSPACE) |
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183 | this->removeCharacters(1); |
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184 | else if (pressedKey < 127) |
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185 | this->addCharacter(this->pressedKey); |
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186 | } |
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187 | } |
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188 | |
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189 | /** |
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190 | * listens for some event |
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191 | * @param event the Event happened |
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192 | */ |
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193 | void ShellInput::process(const Event &event) |
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194 | { |
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195 | if (event.bPressed) |
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196 | { |
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197 | PRINTF(5)("Shell received command %s\n", SDLKToKeyname(event.type)); |
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198 | if (event.type == SDLK_F1) |
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199 | this->help(); |
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200 | else if (event.type == SDLK_F2) |
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201 | this->debug(); |
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202 | else if (event.type == SDLK_TAB) |
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203 | this->completion->autoComplete(this); |
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204 | else if (event.type == SDLK_BACKSPACE) |
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205 | { |
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206 | this->delayed = this->repeatDelay; |
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207 | this->pressedKey = SDLK_BACKSPACE; |
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208 | this->removeCharacters(1); |
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209 | } |
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210 | else if (event.type == SDLK_RETURN) |
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211 | this->executeCommand(); |
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212 | /* |
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213 | else if (event.type == SDLK_UP) |
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214 | { |
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215 | // this->flushInputLine(); |
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216 | tIterator<char>* iterator = this->commandList->getIterator(); |
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217 | char* command = iterator->lastElement(); |
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218 | while (command) |
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219 | { |
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220 | if (!strcmp (command, inputLine)) |
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221 | { |
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222 | inputLine = iterator->prevElement(); |
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223 | return; |
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224 | } |
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225 | command = iterator->prevElement(); |
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226 | } |
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227 | inputLine = iterator->lastElement(); |
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228 | } |
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229 | */ |
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230 | else if (likely(event.type < 127)) |
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231 | { |
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232 | Uint8 *keystate = SDL_GetKeyState(NULL); |
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233 | this->delayed = this->repeatDelay; |
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234 | if (unlikely( keystate[SDLK_LSHIFT] || keystate[SDLK_RSHIFT] )) |
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235 | { |
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236 | this->pressedKey = event.type-32; |
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237 | this->addCharacter(event.type-32); |
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238 | } |
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239 | else |
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240 | { |
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241 | this->pressedKey = event.type; |
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242 | this->addCharacter(event.type); |
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243 | } |
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244 | } |
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245 | } |
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246 | else // if(!event.bPressed) |
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247 | { |
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248 | if (this->pressedKey == event.type || (this->pressedKey == event.type - 32)) |
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249 | { |
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250 | this->pressedKey = SDLK_FIRST; |
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251 | this->delayed = 0.0; |
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252 | } |
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253 | } |
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254 | } |
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