add : tooltip for export table item

Author: Alexander Bychuk

main.cpp

@@ -1,9 +1,9 @@
 #include "mainwindow.h"
 #include <QApplication>
 #include <QCommandLineParser>
-#include "qldd.h"
 
 int main(int argc, char *argv[]) {
+  QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
   QApplication app(argc, argv);
 
   QApplication::setApplicationName("Qldd");

mainwindow.cpp

@@ -1,8 +1,6 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
-#include <QFile>
 #include <QTextStream>
-#include <iostream>
 #include <QFileDialog>
 #include <QShortcut>
 #include <QMessageBox>
@@ -54,7 +52,7 @@ void MainWindow::reset(const QString &fileName) {
   QTreeWidgetItem *header = ui->treeWidget->headerItem();
   header->setText(0, "Dependency");
   qldd->fillDependency(*ui->treeWidget);
-  qldd->fillExportTable(*ui->listWidgetExportTable);
+  qldd->fillExportTable(*ui->listWidgetExportTable, "");
 
   ui->lineEditFileName->setText(qldd->getBinaryName());
   ui->lineEditFileSize->setText(qldd->getStringFileSize() + "( " + QString::number(qldd->getFileSize()) + " bytes )");

mainwindow.ui

@@ -24,36 +24,7 @@
   </property>
   <widget class="QWidget" name="centralWidget">
    <layout class="QGridLayout" name="gridLayout_6">
-    <item row="0" column="0" rowspan="4" colspan="2">
-     <widget class="QGroupBox" name="groupBoxDependency">
-      <property name="font">
-       <font>
-        <family>Ubuntu Mono</family>
-       </font>
-      </property>
-      <property name="title">
-       <string/>
-      </property>
-      <property name="alignment">
-       <set>Qt::AlignJustify|Qt::AlignTop</set>
-      </property>
-      <layout class="QGridLayout" name="gridLayout">
-       <property name="leftMargin">
-        <number>3</number>
-       </property>
-       <property name="topMargin">
-        <number>0</number>
-       </property>
-       <property name="bottomMargin">
-        <number>0</number>
-       </property>
-       <property name="verticalSpacing">
-        <number>12</number>
-       </property>
-      </layout>
-     </widget>
-    </item>
-    <item row="1" column="0">
+    <item row="0" column="0">
      <widget class="QTabWidget" name="tabWidget">
       <property name="currentIndex">
        <number>0</number>
@@ -69,6 +40,12 @@
            <enum>Qt::Horizontal</enum>
           </property>
           <widget class="QTreeWidget" name="treeWidget">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Maximum" vsizetype="Expanding">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
            <column>
             <property name="text">
              <string notr="true">1</string>
@@ -77,6 +54,9 @@
           </widget>
           <widget class="QWidget" name="layoutWidget">
            <layout class="QVBoxLayout" name="verticalLayout">
+            <property name="sizeConstraint">
+             <enum>QLayout::SetDefaultConstraint</enum>
+            </property>
             <property name="topMargin">
              <number>18</number>
             </property>
@@ -599,7 +579,6 @@
     </rect>
    </property>
   </widget>
-  <widget class="QStatusBar" name="statusBar"/>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <resources/>

qldd.cpp

@@ -11,11 +11,8 @@
 #include <QDateTime>
 #include <QTextStream>
 #include <QDir>
-#include <QProcess>
 #include <cxxabi.h>
 
-#define MAXBUFFER 512
-
 #ifdef __APPLE__
 #define CMD_LDD "otool -L"
 #define NM "nm -g"
@@ -33,10 +30,14 @@ void execAndDoOnEveryLine(const std::string &execString, const Action &action) {
   QTextStream nmOutStream(stream.get());
   QString line;
   do {
-    line = nmOutStream.readLine().trimmed();
+    line = nmOutStream.readLine();
     if (line.isNull()) {
       break;
     }
+    line = line.trimmed();
+    if (line.isEmpty()) {
+      break;
+    }
     action(line);
   } while (!line.isNull());
 }
@@ -64,6 +65,9 @@ QLdd::QLdd(QString fileName, QString lddDirPath)
   _ownerName.append(_fileInfo.owner());
   _groupName.append(_fileInfo.group());
 
+  _fileSize = getHumanReadableDataSize();
+}
+QString QLdd::getHumanReadableDataSize() const {
   auto size = static_cast<double>(_fileInfo.size());
   int i = 0;
   const char *units[] = {"B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"};
@@ -73,11 +77,10 @@ QLdd::QLdd(QString fileName, QString lddDirPath)
   }
   char buf[512] = {0};
   sprintf(buf, "%.*f %s", i, size, units[i]);
-  _fileSize.clear();
-  _fileSize.append(buf);
+  return QString::fromLocal8Bit(buf);
 }
 
-QLdd::~QLdd() {}
+QLdd::~QLdd() = default;
 
 int64_t QLdd::getFileSize() const { return _fileInfo.size(); }
 
@@ -157,13 +160,13 @@ void QLdd::fillDependency(QTreeWidget &treeWidget) {
   QDir::setCurrent(_lddDirPath);
 }
 
-void QLdd::fillExportTable(QListWidget &listWidget) {
+void QLdd::fillExportTable(QListWidget &listWidget, const QString &filter) {
   listWidget.clear();
   int status = 0;
   std::stringstream ss;
   ss << NM << " " << _fileName.toStdString() << " | grep \\ T\\ ";
 
-  execAndDoOnEveryLine(ss.str(), [&status, &listWidget](const QString &line) {
+  execAndDoOnEveryLine(ss.str(), [&status, &listWidget, &filter](const QString &line) {
     QStringList info = line.split(" ");
     QString demangled(info.at(2));
     char *realname = abi::__cxa_demangle(info.at(2).toStdString().c_str(), nullptr, nullptr, &status);
@@ -174,7 +177,13 @@ void QLdd::fillExportTable(QListWidget &listWidget) {
       demangled.replace(":__cxx11:", "");
       demangled.replace("std::basic_string<char, std::char_traits<char>, std::allocator<char> >", "std::string");
     }
-    listWidget.addItem(new QListWidgetItem(info.at(0) + " " + demangled));
+    QScopedPointer<QListWidgetItem> item(new QListWidgetItem(info.at(0) + " " + demangled));
+    item->setToolTip(demangled);
+    if (!filter.isEmpty() && demangled.contains(filter, Qt::CaseInsensitive)) {
+      listWidget.addItem(item.take());
+    } else if (filter.isEmpty()) {
+      listWidget.addItem(item.take());
+    }
   });
 }
 

qldd.h

@@ -6,26 +6,34 @@
 #include <QListWidget>
 #include <QFileInfo>
 
-typedef struct _QMOD {
+struct QMOD {
   bool read;
   bool write;
   bool execute;
-} QMOD;
+};
 
 class QLdd {
  public:
+
   QLdd(QString fileName, QString lddDirPath);
   virtual ~QLdd();
+
   int64_t getFileSize() const;
   const QString &getStringFileSize() const;
+
   void fillDependency(QTreeWidget &treeWidget);
-  void fillExportTable(QListWidget &listWidget);
+
+  void fillExportTable(QListWidget &listWidget, const QString& filter);
+
   QString getPathOfBinary();
   QString getBinaryName();
+
   const QString &getCreatedTime();
   const QString &getAccessTime();
   const QString &getModifyTime();
+
   QString getInfo();
+
   const QMOD &getOwnerMod() const;
   void setOwnerMod(const QMOD &ownerMod);
 
@@ -55,6 +63,7 @@ class QLdd {
   QMOD _otherMod{};
   QString _ownerName;
   QString _groupName;
+  QString getHumanReadableDataSize() const;
 };
 
 #endif  // QLDD_H