refactor: replace deprecated methods and remove unused include

src/Convert_HDD_Image_Window.cpp

@@ -49,7 +49,7 @@ const QString &Convert_HDD_Thread::Get_Error_Message() const
 
 void Convert_HDD_Thread::run()
 {
-	QProcess *proc = new QProcess();
+    auto* proc = new QProcess();
 
 	QSettings settings;
 	proc->start(settings.value("QEMU-IMG_Path", "qemu-img").toString(), Arguments);
@@ -60,10 +60,10 @@ void Convert_HDD_Thread::run()
 	if (!proc->waitForFinished(-1))
 		AQError("void Convert_HDD_Thread::run()", "Cannot Finish qemu-img!");
 
-	QString err_str = proc->readAllStandardError();
+    const QString& err_str = proc->readAllStandardError();
 	delete proc;
 
-	if (err_str.count() > 0)
+    if (err_str.size() > 0)
 	{
 		AQError("void Convert_HDD_Thread::run()", "qemu-img Send Error String!\nDetalis: " + err_str);
 		Error_Message = err_str;

src/Create_Template_Window.cpp

@@ -94,7 +94,7 @@ void Create_Template_Window::on_Button_Create_clicked()
 		return;
 	}
 
-	if( ui.Edit_Template_Folder->text().at(ui.Edit_Template_Folder->text().count()-1) != '/' )
+    if( ui.Edit_Template_Folder->text().at(ui.Edit_Template_Folder->text().size()-1) != '/' )
 	{
 		ui.Edit_Template_Folder->setText( QDir::toNativeSeparators(ui.Edit_Template_Folder->text() + "/") );
 	}

src/Emulator_Control_Window.cpp

@@ -39,7 +39,6 @@
 #endif
 
 #include "Utils.h"
-#include "Ports_Tab_Widget.h"
 #include "Emulator_Control_Window.h"
 #include "System_Info.h"
 #include "Snapshots_Window.h"
@@ -266,9 +265,9 @@ void Emulator_Control_Window::Create_Device_Menu()
 		fileIndex += jumpSize;
 
 		// Get path
-		if( fileIndex < value.count() )
+        if( fileIndex < value.size() )
 		{
-			for( int ix = fileIndex; ix < value.count(); ++ix )
+            for( int ix = fileIndex; ix < value.size(); ++ix )
 			{
 				if( value[ix] == ' ' && value[ix-1] != '\\' ) // End of file name?
 				{

src/Settings_Widget.cpp

@@ -31,8 +31,6 @@
 #include "Settings_Widget.h"
 #include "Utils.h"
 
-#include <iostream>
-
 My_List_Widget::My_List_Widget(QWidget* parent) : QListWidget(parent)
 {
 

src/Snapshots_Window.cpp

@@ -26,8 +26,6 @@
 #include "Utils.h"
 #include "Snapshots_Window.h"
 #include "Snapshot_Properties_Window.h"
-#include "HDD_Image_Info.h"
-#include "Service.h"
 
 Snapshots_Window::Snapshots_Window( QWidget *parent )
 	: QDialog( parent )

src/System_Info.cpp

@@ -2112,7 +2112,7 @@ Available_Devices System_Info::Get_Emulator_Info(const QString &path, bool *ok,
 			continue;
 
 		// Get all models string
-		QString all_models = tmp.mid(tmp.indexOf("models:") + QString("models:").count(), tmp.count());
+        QString all_models = tmp.mid(tmp.indexOf("models:") + QString("models:").size(), tmp.size());
 		all_models.remove(QChar(' ')); // Remove all spaces
 
         QStringList net_cards_models = all_models.split(',', Qt::SkipEmptyParts);
@@ -3011,7 +3011,7 @@ QStringList System_Info::Get_Host_FDD_List()
 		}
 		else
 		{
-			WCHAR *w = new WCHAR[tmp.count()];
+            WCHAR *w = new WCHAR[tmp.size()];
 			tmp.toWCharArray(w);
 			UINT uDriveType = GetDriveType(w);
             delete[] w;
@@ -3046,7 +3046,7 @@ QStringList System_Info::Get_Host_CDROM_List()
 		}
 		else
 		{
-			WCHAR *w = new WCHAR[tmp.count()];
+            WCHAR *w = new WCHAR[tmp.size()];
 			tmp.toWCharArray(w);
 			UINT uDriveType = GetDriveType(w);
             delete[] w;

src/VM_Devices.cpp

@@ -3608,7 +3608,7 @@ QString VM_Net_Card::Generate_MAC() const
 		}
 
 		// MAC Found?
-		if( nmac.count() != 12 )
+        if( nmac.size() != 12 )
 		{
 			AQError( "QString VM_Net_Card::Generate_MAC() const",
 					 "Cannot Get MAC for This Card!" );
@@ -3620,7 +3620,7 @@ QString VM_Net_Card::Generate_MAC() const
 	}
 
 	// Adding separators :
-	for( int nx = 2; nx < nmac.count(); nx+=3 )
+    for( int nx = 2; nx < nmac.size(); nx+=3 )
 	{
 		nmac = nmac.insert( nx, ":" );
 	}