就这样吧

2022-05-17 17:22:31 +08:00 · 2022-05-17 17:22:31 +08:00 · 9b1d453853
parent ad8f153aaa
commit 9b1d453853
4 changed files with 92 additions and 24 deletions
--- a/SoftwareDesign/Lab4/Lab4-1_Calculator4490_v6/cal.cpp
+++ b/SoftwareDesign/Lab4/Lab4-1_Calculator4490_v6/cal.cpp
@ -59,9 +59,6 @@ QString inToPost(QString infix) {
    case '.':
      postfix.push_back(current);
      break;
-    case '%':
-      postfix.push_back(current);
-      break;
    case '(':
      stack.push(current); //左括号直接入栈
      break;
--- a/SoftwareDesign/Lab4/Lab4-1_Calculator4490_v6/mainwindow.cpp
+++ b/SoftwareDesign/Lab4/Lab4-1_Calculator4490_v6/mainwindow.cpp
@ -2,10 +2,11 @@
 #include "cal.h"
 #include "ui_mainwindow.h"
 #include <QClipboard>
+#include <QDebug>
 #include <QMessageBox>
 #include <QScrollBar>
 static QString displayText;
-
+static QString calcLog;
 MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent), ui(new Ui::MainWindow) {
  ui->setupUi(this);
@ -52,13 +53,19 @@ void MainWindow::on_equalBtn_clicked() {
  if (isFinished)
    return;
  try {
-    result = compute(inToPost(ui->lineEdit->toPlainText().right(
+    QString s = inToPost(ui->lineEdit->toPlainText().right(
        ui->lineEdit->toPlainText().size() -
-        (ui->lineEdit->toPlainText().lastIndexOf("\n") + 1))));
+        (ui->lineEdit->toPlainText().lastIndexOf("\n") + 1)));
+    std::cout << s.toStdString() << std::endl;
+    result = compute(s);

  } catch (...) {
    abortOperation();
  }
+  calcLog += ui->lineEdit->toPlainText().right(
+                 ui->lineEdit->toPlainText().size() -
+                 (ui->lineEdit->toPlainText().lastIndexOf("\n") + 1)) +
+             '=' + QString::number(result) + '\n';
  displayText += '=' + QString::number(result);
  ui->lineEdit->setPlainText(displayText);
  ui->lineEdit->verticalScrollBar()->setValue(
@ -75,7 +82,7 @@ void MainWindow::connectSlots() {
      ui->digitBtn8, ui->digitBtn9,   ui->addBtn,    ui->subtractionBtn,
      ui->mulBtn,    ui->divisionBtn, ui->squareBtn, ui->pointBtn,
      ui->LBtn,      ui->RBtn,        ui->cBtn,      ui->sBtn,
-      ui->perBtn};
+      ui->sciBtn};
  for (auto btn : digitBtns)
    connect(btn, &QPushButton::clicked, this, &MainWindow::normalClicked);
 }
@ -94,6 +101,12 @@ void MainWindow::on_actionClearHistroy_triggered() {
      ui->lineEdit->verticalScrollBar()->maximum());
 }

+void MainWindow::on_actionShow_History_H_triggered() {
+  ui->lineEdit->setPlainText(calcLog);
+  ui->lineEdit->verticalScrollBar()->setValue(
+      ui->lineEdit->verticalScrollBar()->maximum());
+}
+
 void MainWindow::on_clearLine_clicked() {
  isFinished = false;
  displayText.chop(displayText.size() - displayText.lastIndexOf('\n') - 1);
@ -165,15 +178,21 @@ void MainWindow::keyPressEvent(QKeyEvent *event) {
  case Qt::Key_AsciiCircum:
    emit ui->squareBtn->clicked();
    break;
-  case Qt::Key_BracketLeft:
+  case Qt::Key_ParenLeft:
    emit ui->LBtn->clicked();
    break;
-  case Qt::Key_BracketRight:
+  case Qt::Key_ParenRight:
    emit ui->RBtn->clicked();
    break;
  case Qt::Key_A:
    emit ui->ansBtn->clicked();
    break;
+  case Qt::Key_S:
+    emit ui->sBtn->clicked();
+    break;
+  case Qt::Key_C:
+    emit ui->cBtn->clicked();
+    break;
  case Qt::Key_Equal:
  case Qt::Key_Enter:
    emit ui->equalBtn->clicked();
@ -190,3 +209,25 @@ void MainWindow::keyPressEvent(QKeyEvent *event) {
    break;
  }
 }
+
+void MainWindow::on_actionc_triggered() {
+  if (isFinished) {
+    isFinished = false;
+    displayText += '\n';
+  }
+  displayText += "299792458";
+  ui->lineEdit->setPlainText(displayText);
+  ui->lineEdit->verticalScrollBar()->setValue(
+      ui->lineEdit->verticalScrollBar()->maximum());
+}
+
+void MainWindow::on_actionpi_triggered() {
+  if (isFinished) {
+    isFinished = false;
+    displayText += '\n';
+  }
+  displayText += "3.1415926535";
+  ui->lineEdit->setPlainText(displayText);
+  ui->lineEdit->verticalScrollBar()->setValue(
+      ui->lineEdit->verticalScrollBar()->maximum());
+}
--- a/SoftwareDesign/Lab4/Lab4-1_Calculator4490_v6/mainwindow.h
+++ b/SoftwareDesign/Lab4/Lab4-1_Calculator4490_v6/mainwindow.h
@ -39,5 +39,8 @@ private slots:

  void keyPressEvent(QKeyEvent *event);
  void on_ansBtn_clicked();
+  void on_actionc_triggered();
+  void on_actionpi_triggered();
+  void on_actionShow_History_H_triggered();
 };
 #endif // MAINWINDOW_H
--- a/SoftwareDesign/Lab4/Lab4-1_Calculator4490_v6/mainwindow.ui
+++ b/SoftwareDesign/Lab4/Lab4-1_Calculator4490_v6/mainwindow.ui
@ -6,12 +6,12 @@
   <rect>
    <x>0</x>
    <y>0</y>
-    <width>406</width>
-    <height>439</height>
+    <width>414</width>
+    <height>479</height>
   </rect>
  </property>
  <property name="windowTitle">
-   <string>Calculator_v3_4490</string>
+   <string>Calculator_v6_4490</string>
  </property>
  <property name="toolButtonStyle">
   <enum>Qt::ToolButtonTextOnly</enum>
@ -168,13 +168,6 @@
      </property>
     </widget>
    </item>
-    <item row="8" column="0">
-     <widget class="QPushButton" name="perBtn">
-      <property name="text">
-       <string>%</string>
-      </property>
-     </widget>
-    </item>
    <item row="7" column="3">
     <widget class="QPushButton" name="cBtn">
      <property name="text">
@ -189,6 +182,13 @@
      </property>
     </widget>
    </item>
+    <item row="8" column="2" colspan="2">
+     <widget class="QPushButton" name="equalBtn">
+      <property name="text">
+       <string>=</string>
+      </property>
+     </widget>
+    </item>
    <item row="8" column="1">
     <widget class="QPushButton" name="ansBtn">
      <property name="text">
@ -196,10 +196,10 @@
      </property>
     </widget>
    </item>
-    <item row="8" column="2" colspan="2">
-     <widget class="QPushButton" name="equalBtn">
+    <item row="8" column="0">
+     <widget class="QPushButton" name="sciBtn">
      <property name="text">
-       <string>=</string>
+       <string>*10^</string>
      </property>
     </widget>
    </item>
@ -210,7 +210,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-     <width>406</width>
+     <width>414</width>
     <height>30</height>
    </rect>
   </property>
@ -220,8 +220,17 @@
    </property>
    <addaction name="actionPaste"/>
    <addaction name="actionClearHistroy"/>
+    <addaction name="actionShow_History_H"/>
+   </widget>
+   <widget class="QMenu" name="menuConstant">
+    <property name="title">
+     <string>Constant</string>
+    </property>
+    <addaction name="actionc"/>
+    <addaction name="actionpi"/>
   </widget>
   <addaction name="menuMenu"/>
+   <addaction name="menuConstant"/>
  </widget>
  <widget class="QStatusBar" name="statusbar"/>
  <action name="actionPaste">
@ -234,12 +243,30 @@
  </action>
  <action name="actionClearHistroy">
   <property name="text">
-    <string>Clear Histroy(U)</string>
+    <string>Clear Buffer(U)</string>
   </property>
   <property name="shortcut">
    <string>Ctrl+U</string>
   </property>
  </action>
+  <action name="actionc">
+   <property name="text">
+    <string>c</string>
+   </property>
+  </action>
+  <action name="actionpi">
+   <property name="text">
+    <string>pi</string>
+   </property>
+  </action>
+  <action name="actionShow_History_H">
+   <property name="text">
+    <string>Show History(H)</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+H</string>
+   </property>
+  </action>
 </widget>
 <resources/>
 <connections/>