diff options
Diffstat (limited to 'src-qt5/desktop-utils/lumina-calculator/mainUI.cpp')
| -rw-r--r-- | src-qt5/desktop-utils/lumina-calculator/mainUI.cpp | 349 |
1 files changed, 0 insertions, 349 deletions
diff --git a/src-qt5/desktop-utils/lumina-calculator/mainUI.cpp b/src-qt5/desktop-utils/lumina-calculator/mainUI.cpp deleted file mode 100644 index a3e55dda..00000000 --- a/src-qt5/desktop-utils/lumina-calculator/mainUI.cpp +++ /dev/null @@ -1,349 +0,0 @@ -//=========================================== -// Lumina Desktop source code -// Copyright (c) 2016, Ken Moore -// Available under the 3-clause BSD license -// See the LICENSE file for full details -//=========================================== -#include "mainUI.h" -#include "ui_mainUI.h" - -#include <QDebug> -#include <QClipboard> -#include <QFileDialog> -#include <QMenu> - -#include <LUtils.h> -#include <LuminaXDG.h> -#include "EqValidator.h" - -#include <math.h> -#define BADVALUE NAN - -#define OPS QString("+-*/x^%") - - -const double PI = (::acos(1.0)+::acos(-1.0)); - -mainUI::mainUI() : QMainWindow(), ui(new Ui::mainUI()){ - ui->setupUi(this); - advMenu = 0; - connect(ui->tool_clear, SIGNAL(clicked()), this, SLOT(clear_calc()) ); - connect(ui->line_eq, SIGNAL(returnPressed()), this, SLOT(start_calc()) ); - connect(ui->line_eq, SIGNAL(textEdited(const QString&)), this, SLOT(checkInput(const QString&)) ); - connect(ui->button_1, SIGNAL (clicked()), this, SLOT (captureButton1())); - connect(ui->button_2, SIGNAL (clicked()), this, SLOT (captureButton2())); - connect(ui->button_3, SIGNAL (clicked()), this, SLOT (captureButton3())); - connect(ui->button_4, SIGNAL (clicked()), this, SLOT (captureButton4())); - connect(ui->button_5, SIGNAL (clicked()), this, SLOT (captureButton5())); - connect(ui->button_6, SIGNAL (clicked()), this, SLOT (captureButton6())); - connect(ui->button_7, SIGNAL (clicked()), this, SLOT (captureButton7())); - connect(ui->button_8, SIGNAL (clicked()), this, SLOT (captureButton8())); - connect(ui->button_9, SIGNAL (clicked()), this, SLOT (captureButton9())); - connect(ui->button_0, SIGNAL (clicked()), this, SLOT (captureButton0())); - connect(ui->button_Subtract, SIGNAL (clicked()), this, SLOT (captureButtonSubtract())); - connect(ui->button_Add, SIGNAL (clicked()), this, SLOT (captureButtonAdd())); - connect(ui->button_Divide, SIGNAL (clicked()), this, SLOT (captureButtonDivide())); - connect(ui->button_Multiply, SIGNAL (clicked()), this, SLOT (captureButtonMultiply())); - connect(ui->button_Decimal, SIGNAL (clicked()), this, SLOT (captureButtonDecimal())); - connect(ui->button_Equal, SIGNAL (clicked()), this, SLOT (start_calc())); - connect(ui->list_results, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(insert_history(QListWidgetItem*)) ); - connect(ui->tool_history_clear, SIGNAL(clicked()), ui->list_results, SLOT(clear()) ); - connect(ui->tool_history_save, SIGNAL(clicked()), this, SLOT(saveHistory()) ); - //connect(ui->list_results, SIGNAL(itemRightClicked(QListWidgetItem*)), this, SLOT(copt_to_clipboard(QListWidgetItem*)) ); - this->setWindowTitle(tr("Calculator")); - updateIcons(); - updateMenus(); - ui->line_eq->setFocus(); - ui->line_eq->setValidator(new EqValidator(this) ); - - // shortcuts - escShortcut = new QShortcut(Qt::Key_Escape, this); - connect(escShortcut, SIGNAL(activated()), this, SLOT(clear_calc()) ); - quitShortcut = new QShortcut(Qt::CTRL + Qt::Key_Q, this); - connect(quitShortcut, SIGNAL(activated()), this, SLOT(quitShortcut_Triggered()) ); -} - -mainUI::~mainUI(){ -} - -void mainUI::updateIcons(){ - this->setWindowIcon( LXDG::findIcon("accessories-calculator","") ); - ui->tool_clear->setIcon( LXDG::findIcon("edit-clear-locationbar-rtl","dialog-cancel") ); - ui->tool_history_clear->setIcon( LXDG::findIcon("document-close","edit-clear-list") ); - ui->tool_history_save->setIcon( LXDG::findIcon("document-save-as","edit-copy") ); - ui->tool_adv->setIcon( LXDG::findIcon("formula","") ); -} - -void mainUI::updateMenus(){ - if(advMenu==0){ - advMenu = new QMenu(this); - ui->tool_adv->setMenu(advMenu); - connect(advMenu, SIGNAL(triggered(QAction*)), this, SLOT(advMenuTriggered(QAction*)) ); - } - QAction *tmp = advMenu->addAction( QString(tr("Percentage %1")).arg("\t%") ); - tmp->setWhatsThis("%"); - tmp = advMenu->addAction( QString(tr("Power %1")).arg("\t^") ); - tmp->setWhatsThis("^"); - tmp = advMenu->addAction( QString(tr("Base-10 Exponential %1")).arg("\tE") ); - tmp->setWhatsThis("E"); - tmp = advMenu->addAction( QString(tr("Exponential %1")).arg("\te") ); - tmp->setWhatsThis("e"); - tmp = advMenu->addAction( QString(tr("Constant Pi %1")).arg("\t\u03C0") ); - tmp->setWhatsThis("\u03C0"); - advMenu->addSeparator(); - tmp = advMenu->addAction( QString(tr("Square Root %1")).arg("\tsqrt(") ); - tmp->setWhatsThis("sqrt("); - tmp = advMenu->addAction( QString(tr("Logarithm %1")).arg("\tlog(") ); - tmp->setWhatsThis("log("); - tmp = advMenu->addAction( QString(tr("Natural Log %1")).arg("\tln(") ); - tmp->setWhatsThis("ln("); - advMenu->addSeparator(); - tmp = advMenu->addAction( QString(tr("Sine %1")).arg("\tsin(") ); - tmp->setWhatsThis("sin("); - tmp = advMenu->addAction( QString(tr("Cosine %1")).arg("\tcos(") ); - tmp->setWhatsThis("cos("); - tmp = advMenu->addAction( QString(tr("Tangent %1")).arg("\ttan(") ); - tmp->setWhatsThis("tan("); - advMenu->addSeparator(); - tmp = advMenu->addAction( QString(tr("Arc Sine %1")).arg("\tasin(") ); - tmp->setWhatsThis("asin("); - tmp = advMenu->addAction( QString(tr("Arc Cosine %1")).arg("\tacos(") ); - tmp->setWhatsThis("acos("); - tmp = advMenu->addAction( QString(tr("Arc Tangent %1")).arg("\tatan(") ); - tmp->setWhatsThis("atan("); - advMenu->addSeparator(); - tmp = advMenu->addAction( QString(tr("Hyperbolic Sine %1")).arg("\tsinh(") ); - tmp->setWhatsThis("sinh("); - tmp = advMenu->addAction( QString(tr("Hyperbolic Cosine %1")).arg("\tcosh(") ); - tmp->setWhatsThis("cosh("); - tmp = advMenu->addAction( QString(tr("Hyperbolic Tangent %1")).arg("\ttanh(") ); - tmp->setWhatsThis("tanh("); -} - -void mainUI::start_calc(){ - if(ui->line_eq->text().isEmpty()){ return; } //nothing to do - QString eq = ui->line_eq->text(); - eq.replace("%","/(100)"); - double result = strToNumber(eq); - if(result!=result){ return; } //bad calculation - NaN's values are special in that they don't equal itself - QString res = "[#%1] %2 \t= [ %3 ]"; - ui->list_results->addItem(res.arg(QString::number(ui->list_results->count()+1), QString::number(result, 'G', 7), ui->line_eq->text())); - ui->list_results->scrollToItem( ui->list_results->item( ui->list_results->count()-1) ); - ui->line_eq->clear(); -} - -void mainUI::clear_calc(){ - ui->line_eq->clear(); - ui->line_eq->setFocus(); -} - -void mainUI::captureButton1(){ ui->line_eq->insert(ui->button_1->text()); } -void mainUI::captureButton2(){ ui->line_eq->insert(ui->button_2->text()); } -void mainUI::captureButton3(){ ui->line_eq->insert(ui->button_3->text()); } -void mainUI::captureButton4(){ui->line_eq->insert(ui->button_4->text()); } -void mainUI::captureButton5(){ ui->line_eq->insert(ui->button_5->text()); } -void mainUI::captureButton6(){ ui->line_eq->insert(ui->button_6->text()); } -void mainUI::captureButton7(){ ui->line_eq->insert(ui->button_7->text()); } -void mainUI::captureButton8(){ ui->line_eq->insert(ui->button_8->text()); } -void mainUI::captureButton9(){ ui->line_eq->insert(ui->button_9->text()); } -void mainUI::captureButton0(){ ui->line_eq->insert(ui->button_0->text()); } -void mainUI::captureButtonSubtract(){ ui->line_eq->insert(ui->button_Subtract->text()); } -void mainUI::captureButtonAdd(){ ui->line_eq->insert(ui->button_Add->text()); } -void mainUI::captureButtonDivide(){ ui->line_eq->insert(ui->button_Divide->text()); } -void mainUI::captureButtonMultiply(){ ui->line_eq->insert(ui->button_Multiply->text()); } -void mainUI::captureButtonDecimal(){ ui->line_eq->insert(ui->button_Decimal->text()); } - -void mainUI::advMenuTriggered(QAction *act){ - if(act->whatsThis().isEmpty()){ return; } - ui->line_eq->insert(act->whatsThis()); -} -void mainUI::insert_history(QListWidgetItem *it){ - QString txt = it->text().section("[",-1).section("]",0,0).simplified(); - ui->line_eq->insert("("+txt+")"); -} - -void mainUI::copy_to_clipboard(QListWidgetItem *it){ - QString txt = it->text(); - QApplication::clipboard()->setText(txt); -} - -void mainUI::checkInput(const QString &str){ - if(str.length()==1 && ui->list_results->count()>0){ - if(OPS.contains(str)){ - QString lastresult = ui->list_results->item( ui->list_results->count()-1)->text().section("]",0,0).section("[",-1).simplified(); - ui->line_eq->setText( lastresult+str); - } - } -} - -void mainUI::saveHistory(){ - QStringList history; - for(int i=0; i<ui->list_results->count(); i++){ history << ui->list_results->item(i)->text(); } - QString file = QFileDialog::getSaveFileName(this, tr("Save Calculator History"), QDir::homePath() ); - if(file.section(".",-1).isEmpty()){ file.append(".txt"); } - LUtils::writeFile(file, history, true); -} - -// ===================== -// PRIVATE FUNCTIONS -// ===================== -double mainUI::performOperation(double LHS, double RHS, QChar symbol){ - //qDebug() << "Perform Operation:" << LHS << symbol << RHS; - if(symbol== '+'){ return (LHS+RHS); } - else if(symbol== '-'){ return (LHS-RHS); } - else if(symbol== '*' || symbol=='x'){ return (LHS*RHS); } - else if(symbol== '/'){ return (LHS/RHS); } - else if(symbol== '^'){ return ::pow(LHS, RHS); } - else if(symbol=='e'){ return (LHS * ::exp(RHS) ); } - //else if(symbol== '%'){ return (LHS%RHS); } - qDebug() << "Invalid Symbol:" << symbol; - return BADVALUE; -} - -double mainUI::performSciOperation(QString func, double arg){ - //This function is for performing calculations of scientific functions "<function>(<arg>)" - //qDebug() << "Perform Sci Op:" << func << arg; - double res; - if(func=="ln"){ return ::log(arg); } - else if(func=="log"){ return ::log10(arg); } - else if(func=="sqrt"){ return ::sqrt(arg); } - else if(func=="sin"){ res = ::sin(arg); } //needs rounding check - else if(func=="cos"){ res = ::cos(arg); } //needs rounding check - else if(func=="tan"){ return ::tan(arg); } - else if(func=="asin"){ return ::asin(arg); } - else if(func=="acos"){ return ::acos(arg); } - else if(func=="atan"){ return ::atan(arg); } - else if(func=="sinh"){ return ::sinh(arg); } - else if(func=="cosh"){ return ::cosh(arg); } - else if(func=="tanh"){ return ::tanh(arg); } - else{ - qDebug() << "Unknown Scientific Function:" << func; - return BADVALUE; - } - //Special cases: - // Check for whether "PI" was input as an argument (in some form) and round off the answer as needed - // since PI is itself a rounded number - if(res < 0.000000000000001){ return 0; } - return res; -} - - -double mainUI::strToNumber(QString str){ - //qDebug() << "String To Number:" << str; - //Look for history replacements first - while(str.contains("#")){ - int index = str.indexOf("#"); - int num = -1; //history number - for(int i=index+1; i<str.length(); i++){ - if(!str[i].isNumber() || i==(str.length()-1) ){ - if(!str[i].isNumber()){ i--; } //go back to the last valid char - //qDebug() << "Replace History:" << str << index << i << str.mid(index+1, i-index); - num = str.mid(index+1, i-index).toInt(); - //qDebug() << " H number:" << num; - str.replace(index, i-index+1, getHistory(num)); - //qDebug() << " After Replace:" << str; - break; //finished with this history item - } - } - if(num<1){ return BADVALUE; } //could not perform substitution - } - //Look for perentheses first - //qDebug() << "String to Number: " << str; - if(str.indexOf("(")>=0){ - //qDebug() << "Found Parenthesis"; - int start = str.indexOf("("); - int need = 1; - int end = -1; - for(int i=start+1; i<str.length() && need>0; i++){ - if(str[i]=='('){ need++; } - else if(str[i]==')'){ need--; } - //qDebug() << "Check char:" << str[i] << need; - if(need==0){ end = i; } - } - if(end<start){ return BADVALUE; } - //qDebug() << "Replace value:" << str << start << end << str.mid(start+1,end-start-1); - double tmp = strToNumber( str.mid(start+1, end-start-1)); - if(tmp!=tmp){ return BADVALUE; } //not a number - //Now check really quick if this was an argument to a scientific operation - //qDebug() << "Got Number:" << tmp; - for(int i=start-1; i>=0; i-- ){ - //qDebug() << "Check for function:" << start << i << str[i]; - if( !str[i].isLower() || i==0 ){ - if(!str[i].isLower()){ i++; }//don't need the invalid character - if(start-i<2){ break; } //not long enough - 2+ chars for sci functions - //Got a scientific operation - run it through the routine - tmp = performSciOperation( str.mid(i, start-i), tmp); - if(tmp!=tmp){ return BADVALUE; } //got a bad value - start = i; //new start point for the replacement - break; - } - } - str.replace(start, end-start+1, QString::number( tmp, 'E', 16) ); //need as high precision as possible here - internal only, never seen - //qDebug() << "Replaced:" << str; - } - // ------------------------------------- - // NOTE: the order of operations appears reversed here due to the recursive nature of the algorithm - // the first operation *found* is actually the last one *evaluated* - // -------------------------------------- - //Now look for add/subtract - int sym = -1; - QStringList symbols; symbols << "+" << "-"; - //qDebug() << "Get operator:" << str; - for(int i=0; i<symbols.length(); i++){ - int tmp = str.indexOf(symbols[i]); - while(tmp==0 || (tmp>0 && str[tmp-1].toLower()=='e') ){ tmp = str.indexOf(symbols[i], tmp+1); } //catch scientific notation - if(sym < tmp){ - //qDebug() << " - found:" << tmp << sym; - sym = tmp; - } - } - if(sym>0){ return performOperation( strToNumber(str.left(sym)), strToNumber(str.right(str.length()-sym-1)), str[sym]); } - if(sym==0){ return BADVALUE; } - //Now look for multiply/divide/power - symbols.clear(); symbols << "x" << "*" << "/" << "^" << "e"; - for(int i=0; i<symbols.length(); i++){ - int tmp = str.indexOf(symbols[i]); - if(sym < tmp){ sym = tmp; } - } - if(sym>0){ return performOperation( strToNumber(str.left(sym)), strToNumber(str.right(str.length()-sym-1)), str[sym]); } - if(sym==0){ return BADVALUE; } - - //Could not find any operations - must be a raw number - //qDebug() << " - Found Number:" << str;// << str.toDouble(); - if(str=="\u03C0"){ return PI; } - //else if(str.endsWith("\u03C0")){ - //return performOperation( strToNumber(str.section("\u03C0",0,-2)), PI, '*'); - else if(str.contains("\u03C0")){ - qDebug() << " Has Pi:" << str.count("\u03C0"); - //Pi is mixed into the number - need to multiply it all out - double res = 1; - QStringList vals = str.split("\u03C0", QString::SkipEmptyParts); - for(int i=0; i<vals.length(); i++){ res = res * strToNumber(vals[i]); } - //Now multiply in the PI's - for(int i=0; i<str.count("\u03C0"); i++){ - res = res * PI; - } - return res; - } - return str.toDouble(); -} - -QString mainUI::getHistory(int number){ - if(number <1 || number > ui->list_results->count()){ - //use the last history item - number = ui->list_results->count(); - } - QString ans = ui->list_results->item(number-1)->text().section("=",0,0).section("]",-1).simplified(); - QString eq = ui->list_results->item(number-1)->text().section("[",-1).section("]",0,0).simplified(); - //See if the text answer is accurate enough (does not look rounded) - if(ans.length()<7){ - return ("("+ans+")"); //short enough answer that it was probably not rounded - }else{ - //need to re-calculate the last equation instead for exact result - return ("("+eq+")"); - } -} - -void mainUI::quitShortcut_Triggered(){ - QApplication::quit(); -} |