PHP+GTK2 初体验，简单计算器客户端

 ?1 <?php ?2 ???3 class Calculator extends GtkWindow { ?4 ?????private $chalkboard; ??????//结果显示占位 ?5 ?????private $param = false; ???//输入参数 ?6 ?????private $operater; ????????//运算规则 ?7 ?????private $tmpres = false; ??//临时结果 ?8 ???9 ?????function __construct() { 10 ??????????parent::__construct(); 11 ??????????$this->draw(); 12 ??????????$this->show(); 13 ?????} 14 ?15 ?????//UI布局 16 ?????public function draw() { 17 ??????????$this->set_default_size(300, 400); 18 ??????????$this->set_title("this is my calculator"); ?19 ??20 ??????????//加元素 21 ??????????$mesg ??= new GtkLabel(‘‘); 22 ??????????$this->chalkboard = new GtkLabel(); 23 ??24 ??????????$btn_1 ??????= new GtkButton(‘1‘); 25 ??????????$btn_2 ??????= new GtkButton(‘2‘); 26 ??????????$btn_3 ??????= new GtkButton(‘3‘); 27 ??????????$btn_4 ??????= new GtkButton(‘4‘); 28 ??????????$btn_5 ??????= new GtkButton(‘5‘); 29 ??????????$btn_6 ??????= new GtkButton(‘6‘); 30 ??????????$btn_7 ??????= new GtkButton(‘7‘); 31 ??????????$btn_8 ??????= new GtkButton(‘8‘); 32 ??????????$btn_9 ??????= new GtkButton(‘9‘); 33 ??????????$btn_0 ??????= new GtkButton(‘0‘); 34 ??????????$btn_minus ??= new GtkButton(‘\-‘); 35 ??????????$btnPlus ????= new GtkButton(‘+‘); 36 ??????????$btnReduce ??= new GtkButton(‘-‘); 37 ??????????$btnRide ????= new GtkButton(‘*‘); 38 ??????????$btnDivide ??= new GtkButton(‘/‘); 39 ??????????$btnGet ?????= new GtkButton(‘=‘); 40 ??????????$btnDle ??= new GtkButton(‘<-‘); 41 ??????????$btnAllclear ??= new GtkButton(‘Clean‘); 42 ??????????$btnNowclear ??= new GtkButton(‘Clear‘); 43 ??????????$btnPoint ??= new GtkButton(‘.‘); 44 ?45 ?46 ??????????//table布局UI 47 ??????????$tbl = new GtkTable(4, 5); 48 ??????????$tbl->attach($btnAllclear, 0, 1, 0, 1); 49 ??????????$tbl->attach($btnNowclear, 1, 2, 0, 1); 50 ??????????$tbl->attach($btnDle, 2, 3, 0, 1); 51 ??????????$tbl->attach($btnDivide, 3, 4, 0, 1); 52 ??????????$tbl->attach($btn_7, 0, 1, 1, 2); 53 ??????????$tbl->attach($btn_8, 1, 2, 1, 2); 54 ??????????$tbl->attach($btn_9, 2, 3, 1, 2); 55 ??????????$tbl->attach($btnRide, 3, 4, 1, 2); 56 ??????????$tbl->attach($btn_4, 0, 1, 2, 3); 57 ??????????$tbl->attach($btn_5, 1, 2, 2, 3); 58 ??????????$tbl->attach($btn_6, 2, 3, 2, 3); 59 ??????????$tbl->attach($btnReduce, 3, 4, 2, 3); 60 ??????????$tbl->attach($btn_1, 0, 1, 3, 4); 61 ??????????$tbl->attach($btn_2, 1, 2, 3, 4); 62 ??????????$tbl->attach($btn_3, 2, 3, 3, 4); 63 ??????????$tbl->attach($btnPlus, 3, 4, 3, 4); 64 ??????????$tbl->attach($btn_minus, 0, 1, 4, 5); 65 ??????????$tbl->attach($btn_0, 1, 2, 4, 5); 66 ??????????$tbl->attach($btnPoint, 2, 3, 4, 5); 67 ??????????$tbl->attach($btnGet, 3, 4, 4, 5); 68 ?69 ?70 ??????????//放入组件 71 ??????????$vBox = new GtkVBox(false, true); 72 ??????????$vBox->pack_start($mesg); 73 ??????????$vBox->pack_start($this->chalkboard); 74 ??????????$vBox->pack_start($tbl); 75 ?76 ?77 ??????????//给按键绑定触发事件 78 ??????????$btnGet->connect("clicked", array($this, "calculate")); 79 ??????????$btnPlus->connect("clicked", array($this, "plus")); 80 ??????????$btnReduce->connect("clicked", array($this, "reduce")); 81 ??????????$btnRide->connect("clicked", array($this, "ride")); 82 ??????????$btnDivide->connect("clicked", array($this, "divide")); 83 ??????????$btn_1->connect("clicked", array($this, "change1")); 84 ??????????$btn_2->connect("clicked", array($this, "change2")); 85 ??????????$btn_3->connect("clicked", array($this, "change3")); 86 ??????????$btn_4->connect("clicked", array($this, "change4")); 87 ??????????$btn_5->connect("clicked", array($this, "change5")); 88 ??????????$btn_6->connect("clicked", array($this, "change6")); 89 ??????????$btn_7->connect("clicked", array($this, "change7")); 90 ??????????$btn_8->connect("clicked", array($this, "change8")); 91 ??????????$btn_9->connect("clicked", array($this, "change9")); 92 ??????????$btn_0->connect("clicked", array($this, "change0")); 93 ??????????$btn_minus->connect("clicked", array($this, "changeMinus")); 94 ??????????$btnPoint->connect("clicked", array($this, "changePoint")); 95 ??????????$btnDle->connect("clicked", array($this, "paramDle")); 96 ??????????$btnAllclear->connect("clicked", array($this, "allClear")); 97 ??????????$btnNowclear->connect("clicked", array($this, "nowClear")); 98 ??99 ??????????$this->add($vBox);100 ?????}101 ?????//组件显示102 ?????public function show() {103 ??????????$this->show_all();104 ?????}105 106 107 ?????//加减乘除108 ?????public function plus(){109 ??????????$this->operate(‘1‘);110 ?????}111 ?????public function reduce(){112 ??????????$this->operate(‘2‘);113 ?????}114 ?????public function ride(){115 ??????????$this->operate(‘3‘);116 ?????}117 ?????public function divide(){118 ??????????$this->operate(‘4‘);119 ?????}120 ?????public function operate($operate) {121 ??????????$this->operater = $operate;122 ??????????if ($this->param) {123 ???????????????$this->tmpres = $this->param;124 ???????????????$this->param = false;125 ??????????}126 ?????}127 128 129 ?????//数字录入130 ?????public function change0(){131 ??????????$this->changeParam(‘0‘);132 ?????}133 ?????public function change1(){134 ??????????$this->changeParam(‘1‘);135 ?????}136 ?????public function change2(){137 ??????????$this->changeParam(‘2‘);138 ?????}139 ?????public function change3(){140 ??????????$this->changeParam(‘3‘);141 ?????}142 ?????public function change4(){143 ??????????$this->changeParam(‘4‘);144 ?????}145 ?????public function change5(){146 ??????????$this->changeParam(‘5‘);147 ?????}148 ?????public function change6(){149 ??????????$this->changeParam(‘6‘);150 ?????}151 ?????public function change7(){152 ??????????$this->changeParam(‘7‘);153 ?????}154 ?????public function change8(){155 ??????????$this->changeParam(‘8‘);156 ?????}157 ?????public function change9(){158 ??????????$this->changeParam(‘9‘);159 ?????}160 ?????public function changePoint(){161 ??????????$this->changeParam(‘.‘);162 ?????}163 ?????public function changeMinus(){164 ??????????$this->changeParam(‘-‘);165 ?????}166 ?????public function changeParam($param){167 ??????????if ($this->param === false) {168 ???????????????$this->param = ‘‘;169 ??????????}170 ??????????$this->param.= $param;171 ??????????$this->param = $this->fotmat($this->param);172 ??????????$this->notice($this->param);173 ?????}174 175 176 177 ?????public function paramDle(){178 ??????????$this->param = substr($this->param, 0, strlen($this->param)-1);179 ??????????$this->notice($this->param);180 ?????}181 182 183 ?????//清存184 ?????public function allClear(){185 ??????????$this->param = false;186 ??????????$this->operater = false;187 ??????????$this->tmpres = false;188 ??????????$this->notice(‘0‘);189 ?????}190 191 ?????//清屏192 ?????public function nowClear(){193 ??????????$this->param = false;194 ??????????$this->notice(‘0‘);195 ?????}196 197 ?????//显示结果198 ?????private function notice($mesg) {199 ??????????$this->chalkboard->set_text($mesg);200 ?????}201 202 ?????//计算203 ?????public function calculate() {204 ??????????$res = $this->getRes($this->tmpres, $this->param, $this->operater);205 ??????????$this->operater = false;206 ??????????$this->param = false;207 ??????????$this->notice($res);208 ??????????return;209 ?????}210 211 ?????//运算函数212 ?????public function getRes($tmpres, $param, $operater) {213 ??????????if ($tmpres!== false || !$operater) {214 ???????????????if ($param !== false) {215 ????????????????????$this->tmpres = $param;216 ???????????????}217 ???????????????return $this->tmpres;218 ??????????}219 ??????????if ((!$tmpres || $tmpres === false) && $param!== false && $operater) {220 ???????????????$this->param = false;221 ???????????????if ($operater === ‘1‘) {222 ????????????????????$this->tmpres = $tmpres + $param;223 ????????????????????return $this->tmpres;224 ???????????????}225 ???????????????if ($operater === ‘2‘) {226 ????????????????????$this->tmpres = $tmpres - $param;227 ????????????????????return $this->tmpres;228 ???????????????}229 ???????????????if ($operater === ‘3‘) {230 ????????????????????$this->tmpres = $tmpres * $param;231 ????????????????????return $this->tmpres;232 ???????????????}233 ???????????????if ($operater === ‘4‘) {234 ????????????????????if (abs($param) > 0) {235 ?????????????????????????$this->tmpres = $tmpres / $param;236 ?????????????????????????return $this->tmpres;237 ????????????????????} else {238 ????????????????????????$this->param = false;239 ?????????????????????????$this->operater = false;240 ?????????????????????????$this->tmpres = false;241 ?????????????????????????return "The divisor cannot be 0"; 242 ????????????????????}243 ???????????????}244 ??????????}245 ?????}246 247 248 249 ?????//数字处理函数250 ?????public function fotmat($shownum){251 ??????????$flag = false;252 ??????????$flag2 = false;253 ??????????$tmpRight = ‘‘;254 ??????????if (strstr($shownum, ‘-‘)) {255 ???????????????$shownum = str_replace(‘-‘, ‘‘, $shownum);256 ???????????????$flag2 = true;257 ??????????}258 ??????????if (strstr($shownum, ‘.‘)) {259 ???????????????$tmpArr = explode(‘.‘, $shownum);260 ???????????????$shownum = $tmpArr[0];261 ???????????????$tmpRight = $tmpArr[1];262 ???????????????$flag = true;263 ??????????}264 ??????????if (preg_match_all(‘/([0]{1,})([1-9]*)/‘, $shownum, $out)) {265 ???????????????if ($out[2][0] === ‘‘) {266 ????????????????????$shownum = ‘0‘;267 ???????????????} else {268 ????????????????????$shownum = $out[2][0]; 269 ???????????????}270 ??????????}271 ??????????if ($flag) {272 ???????????????$shownum = $shownum.‘.‘.$tmpRight;273 ??????????}274 ??????????if ($flag2) {275 ???????????????$shownum = ‘-‘.$shownum;276 ??????????}277 ??????????return $shownum;278 ?????}279 ?????function __destruct() {280 ??????????Gtk::main_quit();281 ?????}282 }283 ?284 new Calculator();285 Gtk::main();