Attempting QProcess execution

Picture.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 3.0.1, 2014-06-18T14:39:43. -->
+<!-- Written by QtCreator 3.0.1, 2014-06-18T20:10:29. -->
 <qtcreator>
  <data>
   <variable>ProjectExplorer.Project.ActiveTarget</variable>

picture.cpp

@@ -3,10 +3,21 @@ Picture::Picture(QWidget *parent) :
   QMainWindow(parent),
   ui(new Ui::Picture){
     ui->setupUi(this);
+    connect(&commandProcess,SIGNAL(readyReadStandardOutput()),this,SLOT(log()));
+    connect(&commandProcess,SIGNAL(readyReadStandardError()),this,SLOT(log()));
     connect(ui->actionOpen_Files,SIGNAL(triggered()),this,SLOT(changeDirectory()));
     //changeDirectory();
     fillList();
   }
+void Picture::log(){
+  QByteArray cmdoutput = commandProcess.readAllStandardOutput();
+  QString txtoutput = cmdoutput;
+  ui->log->append(txtoutput);
+  cmdoutput = commandProcess.readAllStandardError();
+  txtoutput = cmdoutput;
+  ui->log->append(txtoutput);
+}
+
 std::string exec(char* cmd) {
   FILE* pipe = popen(cmd, "r");
   if (!pipe) return "ERROR";
@@ -37,13 +48,13 @@ void Picture::fillList() {
   ui->fileList->clear();
   //ui->fileList->addItems(directory.entryList());
   foreach(const QString &str,directory.entryList()){
-      QImageReader reader(directory.absolutePath()+"/"+str);
-      if(!reader.format().isEmpty()){
-        ui->fileList->addItem(str);
-      }
+    QImageReader reader(directory.absolutePath()+"/"+str);
+    if(!reader.format().isEmpty()){
+      ui->fileList->addItem(str);
+    }
   }
   if(ui->fileList->count()==0){
-      ui->fileList->addItem("<NO PICTURES>");
+    ui->fileList->addItem("<NO PICTURES>");
   }
 }
 void Picture::on_cd_clicked(){
@@ -60,7 +71,8 @@ void Picture::on_erase_clicked(){
       char* a=new char[tmp2.size()+1];
       a[tmp2.size()]=0;
       memcpy(a,tmp2.c_str(),tmp2.size());
-      exec(a);
+      //exec(a);
+      commandProcess.start(a);
     }else{
       if(!ignored){
         ignored=true;
@@ -73,10 +85,14 @@ void Picture::on_erase_clicked(){
 }
 void Picture::on_refresh_clicked(){
   fillList();
+  ui->log->append("Refreshed directory");
 }
 void Picture::on_clearLog_clicked(){
   ui->log->setText("");
+  ui->tabField->setCurrentIndex(0);
 }
 void Picture::on_erase_pressed(){
   ui->log->append("Erasing metadata from images...");
+  ui->tabField->setCurrentIndex(1);
+  on_erase_clicked();
 }

picture.h

@@ -13,6 +13,7 @@
 #include <QDebug>
 #include <QImageReader>
 #include <QDialog>
+#include <QProcess>
 
 namespace Ui {
     class Picture;
@@ -34,8 +35,10 @@ private slots:
     void on_refresh_clicked();
     void on_clearLog_clicked();
     void on_erase_pressed();
+    void log();
 private:
     Ui::Picture *ui;
     QDir directory;
+    QProcess commandProcess;
 };
 #endif // PICTURE_H

picture.ui

@@ -14,77 +14,118 @@
    <string>Picture</string>
   </property>
   <widget class="QWidget" name="centralWidget">
-   <widget class="QWidget" name="layoutWidget">
+   <widget class="QTabWidget" name="tabField">
     <property name="geometry">
      <rect>
-      <x>11</x>
-      <y>1</y>
-      <width>258</width>
-      <height>229</height>
+      <x>0</x>
+      <y>0</y>
+      <width>471</width>
+      <height>301</height>
      </rect>
     </property>
-    <layout class="QVBoxLayout" name="verticalLayout">
-     <item>
-      <widget class="QListWidget" name="fileList"/>
-     </item>
-     <item>
-      <layout class="QHBoxLayout" name="horizontalLayout">
+    <property name="currentIndex">
+     <number>0</number>
+    </property>
+    <widget class="QWidget" name="tab">
+     <attribute name="title">
+      <string>Commands</string>
+     </attribute>
+     <widget class="QWidget" name="layoutWidget">
+      <property name="geometry">
+       <rect>
+        <x>20</x>
+        <y>20</y>
+        <width>258</width>
+        <height>229</height>
+       </rect>
+      </property>
+      <layout class="QVBoxLayout" name="verticalLayout">
        <item>
-        <widget class="QPushButton" name="cd">
+        <widget class="QListWidget" name="fileList"/>
+       </item>
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout">
+         <item>
+          <widget class="QPushButton" name="cd">
+           <property name="text">
+            <string>Change Directory</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QPushButton" name="refresh">
+           <property name="text">
+            <string>Refresh Directory</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="">
+      <property name="geometry">
+       <rect>
+        <x>300</x>
+        <y>60</y>
+        <width>107</width>
+        <height>62</height>
+       </rect>
+      </property>
+      <layout class="QVBoxLayout" name="verticalLayout_2">
+       <item>
+        <widget class="QPushButton" name="erase">
          <property name="text">
-          <string>Change Directory</string>
+          <string>Erase Metadata</string>
          </property>
         </widget>
        </item>
        <item>
-        <widget class="QPushButton" name="refresh">
+        <widget class="QPushButton" name="pushButton">
          <property name="text">
-          <string>Refresh Directory</string>
+          <string>Label</string>
          </property>
         </widget>
        </item>
       </layout>
-     </item>
-    </layout>
-   </widget>
-   <widget class="QPushButton" name="erase">
-    <property name="geometry">
-     <rect>
-      <x>310</x>
-      <y>10</y>
-      <width>124</width>
-      <height>27</height>
-     </rect>
-    </property>
-    <property name="text">
-     <string>Erase Metadata</string>
-    </property>
-   </widget>
-   <widget class="QTextEdit" name="log">
-    <property name="geometry">
-     <rect>
-      <x>310</x>
-      <y>60</y>
-      <width>301</width>
-      <height>191</height>
-     </rect>
-    </property>
-    <property name="readOnly">
-     <bool>true</bool>
-    </property>
-   </widget>
-   <widget class="QPushButton" name="clearLog">
-    <property name="geometry">
-     <rect>
-      <x>561</x>
-      <y>222</y>
-      <width>51</width>
-      <height>30</height>
-     </rect>
-    </property>
-    <property name="text">
-     <string>Clear</string>
-    </property>
+     </widget>
+     <zorder>fileList</zorder>
+     <zorder>fileList</zorder>
+     <zorder>layoutWidget</zorder>
+     <zorder>erase</zorder>
+     <zorder>pushButton</zorder>
+    </widget>
+    <widget class="QWidget" name="tab_2">
+     <attribute name="title">
+      <string>Log</string>
+     </attribute>
+     <widget class="QTextEdit" name="log">
+      <property name="geometry">
+       <rect>
+        <x>10</x>
+        <y>10</y>
+        <width>381</width>
+        <height>192</height>
+       </rect>
+      </property>
+      <property name="readOnly">
+       <bool>true</bool>
+      </property>
+     </widget>
+     <widget class="QPushButton" name="clearLog">
+      <property name="geometry">
+       <rect>
+        <x>270</x>
+        <y>220</y>
+        <width>51</width>
+        <height>30</height>
+       </rect>
+      </property>
+      <property name="text">
+       <string>Clear</string>
+      </property>
+     </widget>
+    </widget>
    </widget>
   </widget>
   <widget class="QMenuBar" name="menuBar">