feat: first registration form

user inputs mail, password, clicks button and those 2 informations are saved in json file

EGUI/build-lab1-Desktop_Qt_6_2_4_GCC_64bit-Debug/.qmake.stash

@@ -0,0 +1,23 @@
+QMAKE_CXX.QT_COMPILER_STDCXX = 201402L
+QMAKE_CXX.QMAKE_GCC_MAJOR_VERSION = 9
+QMAKE_CXX.QMAKE_GCC_MINOR_VERSION = 4
+QMAKE_CXX.QMAKE_GCC_PATCH_VERSION = 0
+QMAKE_CXX.COMPILER_MACROS = \
+    QT_COMPILER_STDCXX \
+    QMAKE_GCC_MAJOR_VERSION \
+    QMAKE_GCC_MINOR_VERSION \
+    QMAKE_GCC_PATCH_VERSION
+QMAKE_CXX.INCDIRS = \
+    /usr/include/c++/9 \
+    /usr/include/x86_64-linux-gnu/c++/9 \
+    /usr/include/c++/9/backward \
+    /usr/lib/gcc/x86_64-linux-gnu/9/include \
+    /usr/local/include \
+    /usr/include/x86_64-linux-gnu \
+    /usr/include
+QMAKE_CXX.LIBDIRS = \
+    /usr/lib/gcc/x86_64-linux-gnu/9 \
+    /usr/lib/x86_64-linux-gnu \
+    /usr/lib \
+    /lib/x86_64-linux-gnu \
+    /lib

EGUI/build-lab1-Desktop_Qt_6_2_4_GCC_64bit-Debug/.qtc_clangd/compile_commands.json

@@ -7,7 +7,7 @@
         "-I",
         "/home/kuchy/Zlew/Studia/NieNotatki/Projekty/nie_inzynierka/Programowanie/EGUI/QT/Tools/QtCreator/share/qtcreator/cplusplus/wrappedQtHeaders/QtCore",
         "-I",
-        "/tmp/QtCreator-WAJjEH/clang-uiheader-lqhkey",
+        "/tmp/QtCreator-AiUkSY/clang-uiheader-vVWDiY",
         "-nostdinc",
         "-nostdinc++",
         "-pipe",
@@ -76,7 +76,7 @@
         "-I",
         "/home/kuchy/Zlew/Studia/NieNotatki/Projekty/nie_inzynierka/Programowanie/EGUI/QT/Tools/QtCreator/share/qtcreator/cplusplus/wrappedQtHeaders/QtCore",
         "-I",
-        "/tmp/QtCreator-WAJjEH/clang-uiheader-lqhkey",
+        "/tmp/QtCreator-AiUkSY/clang-uiheader-vVWDiY",
         "-nostdinc",
         "-nostdinc++",
         "-pipe",
@@ -145,7 +145,7 @@
         "-I",
         "/home/kuchy/Zlew/Studia/NieNotatki/Projekty/nie_inzynierka/Programowanie/EGUI/QT/Tools/QtCreator/share/qtcreator/cplusplus/wrappedQtHeaders/QtCore",
         "-I",
-        "/tmp/QtCreator-WAJjEH/clang-uiheader-lqhkey",
+        "/tmp/QtCreator-AiUkSY/clang-uiheader-vVWDiY",
         "-nostdinc",
         "-nostdinc++",
         "-pipe",
@@ -214,7 +214,7 @@
         "-I",
         "/home/kuchy/Zlew/Studia/NieNotatki/Projekty/nie_inzynierka/Programowanie/EGUI/QT/Tools/QtCreator/share/qtcreator/cplusplus/wrappedQtHeaders/QtCore",
         "-I",
-        "/tmp/QtCreator-WAJjEH/clang-uiheader-lqhkey",
+        "/tmp/QtCreator-AiUkSY/clang-uiheader-vVWDiY",
         "-nostdinc",
         "-nostdinc++",
         "-pipe",

EGUI/build-lab1-Desktop_Qt_6_2_4_GCC_64bit-Debug/moc_mainwindow.cpp

@@ -0,0 +1,133 @@
+/****************************************************************************
+** Meta object code from reading C++ file 'mainwindow.h'
+**
+** Created by: The Qt Meta Object Compiler version 68 (Qt 6.2.4)
+**
+** WARNING! All changes made in this file will be lost!
+*****************************************************************************/
+
+#include <memory>
+#include "../lab1/mainwindow.h"
+#include <QtCore/qbytearray.h>
+#include <QtCore/qmetatype.h>
+#if !defined(Q_MOC_OUTPUT_REVISION)
+#error "The header file 'mainwindow.h' doesn't include <QObject>."
+#elif Q_MOC_OUTPUT_REVISION != 68
+#error "This file was generated using the moc from 6.2.4. It"
+#error "cannot be used with the include files from this version of Qt."
+#error "(The moc has changed too much.)"
+#endif
+
+QT_BEGIN_MOC_NAMESPACE
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_DEPRECATED
+struct qt_meta_stringdata_MainWindow_t {
+    const uint offsetsAndSize[14];
+    char stringdata0[84];
+};
+#define QT_MOC_LITERAL(ofs, len) \
+    uint(offsetof(qt_meta_stringdata_MainWindow_t, stringdata0) + ofs), len 
+static const qt_meta_stringdata_MainWindow_t qt_meta_stringdata_MainWindow = {
+    {
+QT_MOC_LITERAL(0, 10), // "MainWindow"
+QT_MOC_LITERAL(11, 18), // "saveRegisteredUser"
+QT_MOC_LITERAL(30, 0), // ""
+QT_MOC_LITERAL(31, 12), // "QJsonObject&"
+QT_MOC_LITERAL(44, 4), // "json"
+QT_MOC_LITERAL(49, 21), // "on_pushButton_clicked"
+QT_MOC_LITERAL(71, 12) // "saveJsonFile"
+
+    },
+    "MainWindow\0saveRegisteredUser\0\0"
+    "QJsonObject&\0json\0on_pushButton_clicked\0"
+    "saveJsonFile"
+};
+#undef QT_MOC_LITERAL
+
+static const uint qt_meta_data_MainWindow[] = {
+
+ // content:
+      10,       // revision
+       0,       // classname
+       0,    0, // classinfo
+       3,   14, // methods
+       0,    0, // properties
+       0,    0, // enums/sets
+       0,    0, // constructors
+       0,       // flags
+       0,       // signalCount
+
+ // slots: name, argc, parameters, tag, flags, initial metatype offsets
+       1,    1,   32,    2, 0x108,    1 /* Private | MethodIsConst  */,
+       5,    0,   35,    2, 0x08,    3 /* Private */,
+       6,    1,   36,    2, 0x108,    4 /* Private | MethodIsConst  */,
+
+ // slots: parameters
+    QMetaType::Void, 0x80000000 | 3,    4,
+    QMetaType::Void,
+    QMetaType::Void, 0x80000000 | 3,    4,
+
+       0        // eod
+};
+
+void MainWindow::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id, void **_a)
+{
+    if (_c == QMetaObject::InvokeMetaMethod) {
+        auto *_t = static_cast<MainWindow *>(_o);
+        (void)_t;
+        switch (_id) {
+        case 0: _t->saveRegisteredUser((*reinterpret_cast< std::add_pointer_t<QJsonObject&>>(_a[1]))); break;
+        case 1: _t->on_pushButton_clicked(); break;
+        case 2: _t->saveJsonFile((*reinterpret_cast< std::add_pointer_t<QJsonObject&>>(_a[1]))); break;
+        default: ;
+        }
+    }
+}
+
+const QMetaObject MainWindow::staticMetaObject = { {
+    QMetaObject::SuperData::link<QMainWindow::staticMetaObject>(),
+    qt_meta_stringdata_MainWindow.offsetsAndSize,
+    qt_meta_data_MainWindow,
+    qt_static_metacall,
+    nullptr,
+qt_incomplete_metaTypeArray<qt_meta_stringdata_MainWindow_t
+, QtPrivate::TypeAndForceComplete<MainWindow, std::true_type>
+, QtPrivate::TypeAndForceComplete<void, std::false_type>, QtPrivate::TypeAndForceComplete<QJsonObject &, std::false_type>, QtPrivate::TypeAndForceComplete<void, std::false_type>, QtPrivate::TypeAndForceComplete<void, std::false_type>, QtPrivate::TypeAndForceComplete<QJsonObject &, std::false_type>
+
+
+>,
+    nullptr
+} };
+
+
+const QMetaObject *MainWindow::metaObject() const
+{
+    return QObject::d_ptr->metaObject ? QObject::d_ptr->dynamicMetaObject() : &staticMetaObject;
+}
+
+void *MainWindow::qt_metacast(const char *_clname)
+{
+    if (!_clname) return nullptr;
+    if (!strcmp(_clname, qt_meta_stringdata_MainWindow.stringdata0))
+        return static_cast<void*>(this);
+    return QMainWindow::qt_metacast(_clname);
+}
+
+int MainWindow::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
+{
+    _id = QMainWindow::qt_metacall(_c, _id, _a);
+    if (_id < 0)
+        return _id;
+    if (_c == QMetaObject::InvokeMetaMethod) {
+        if (_id < 3)
+            qt_static_metacall(this, _c, _id, _a);
+        _id -= 3;
+    } else if (_c == QMetaObject::RegisterMethodArgumentMetaType) {
+        if (_id < 3)
+            *reinterpret_cast<QMetaType *>(_a[0]) = QMetaType();
+        _id -= 3;
+    }
+    return _id;
+}
+QT_WARNING_POP
+QT_END_MOC_NAMESPACE

EGUI/build-lab1-Desktop_Qt_6_2_4_GCC_64bit-Debug/moc_predefs.h

@@ -0,0 +1,409 @@
+#define __SSP_STRONG__ 3
+#define __DBL_MIN_EXP__ (-1021)
+#define __FLT32X_MAX_EXP__ 1024
+#define __cpp_attributes 200809
+#define __cpp_nontype_template_parameter_auto 201606
+#define __UINT_LEAST16_MAX__ 0xffff
+#define __ATOMIC_ACQUIRE 2
+#define __FLT128_MAX_10_EXP__ 4932
+#define __FLT_MIN__ 1.17549435082228750796873653722224568e-38F
+#define __GCC_IEC_559_COMPLEX 2
+#define __cpp_aggregate_nsdmi 201304
+#define __UINT_LEAST8_TYPE__ unsigned char
+#define __SIZEOF_FLOAT80__ 16
+#define __INTMAX_C(c) c ## L
+#define __CHAR_BIT__ 8
+#define __UINT8_MAX__ 0xff
+#define __WINT_MAX__ 0xffffffffU
+#define __FLT32_MIN_EXP__ (-125)
+#define __cpp_static_assert 201411
+#define __ORDER_LITTLE_ENDIAN__ 1234
+#define __SIZE_MAX__ 0xffffffffffffffffUL
+#define __WCHAR_MAX__ 0x7fffffff
+#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1
+#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1
+#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 1
+#define __DBL_DENORM_MIN__ double(4.94065645841246544176568792868221372e-324L)
+#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 1
+#define __GCC_ATOMIC_CHAR_LOCK_FREE 2
+#define __GCC_IEC_559 2
+#define __FLT32X_DECIMAL_DIG__ 17
+#define __FLT_EVAL_METHOD__ 0
+#define __cpp_enumerator_attributes 201411
+#define __unix__ 1
+#define __cpp_binary_literals 201304
+#define __FLT64_DECIMAL_DIG__ 17
+#define __CET__ 3
+#define __cpp_noexcept_function_type 201510
+#define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 2
+#define __x86_64 1
+#define __cpp_variadic_templates 200704
+#define __UINT_FAST64_MAX__ 0xffffffffffffffffUL
+#define __SIG_ATOMIC_TYPE__ int
+#define __DBL_MIN_10_EXP__ (-307)
+#define __FINITE_MATH_ONLY__ 0
+#define __cpp_variable_templates 201304
+#define __GNUC_PATCHLEVEL__ 0
+#define __FLT32_HAS_DENORM__ 1
+#define __UINT_FAST8_MAX__ 0xff
+#define __cpp_rvalue_reference 200610
+#define __has_include(STR) __has_include__(STR)
+#define __FLT32_MAX_10_EXP__ 38
+#define __DEC64_MAX_EXP__ 385
+#define __INT8_C(c) c
+#define __INT_LEAST8_WIDTH__ 8
+#define __cpp_variadic_using 201611
+#define __UINT_LEAST64_MAX__ 0xffffffffffffffffUL
+#define __cpp_capture_star_this 201603
+#define __SHRT_MAX__ 0x7fff
+#define __LDBL_MAX__ 1.18973149535723176502126385303097021e+4932L
+#define __FLT64X_MAX_10_EXP__ 4932
+#define __cpp_if_constexpr 201606
+#define __UINT_LEAST8_MAX__ 0xff
+#define __GCC_ATOMIC_BOOL_LOCK_FREE 2
+#define __FLT128_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966F128
+#define __UINTMAX_TYPE__ long unsigned int
+#define __linux 1
+#define __DEC32_EPSILON__ 1E-6DF
+#define __FLT_EVAL_METHOD_TS_18661_3__ 0
+#define __unix 1
+#define __UINT32_MAX__ 0xffffffffU
+#define __GXX_EXPERIMENTAL_CXX0X__ 1
+#define __LDBL_MAX_EXP__ 16384
+#define __FLT128_MIN_EXP__ (-16381)
+#define __WINT_MIN__ 0U
+#define __linux__ 1
+#define __FLT128_MIN_10_EXP__ (-4931)
+#define __INT_LEAST16_WIDTH__ 16
+#define __SCHAR_MAX__ 0x7f
+#define __FLT128_MANT_DIG__ 113
+#define __WCHAR_MIN__ (-__WCHAR_MAX__ - 1)
+#define __INT64_C(c) c ## L
+#define __DBL_DIG__ 15
+#define __GCC_ATOMIC_POINTER_LOCK_FREE 2
+#define __FLT64X_MANT_DIG__ 64
+#define __SIZEOF_INT__ 4
+#define __SIZEOF_POINTER__ 8
+#define __GCC_ATOMIC_CHAR16_T_LOCK_FREE 2
+#define __cpp_aligned_new 201606
+#define __USER_LABEL_PREFIX__ 
+#define __FLT64X_EPSILON__ 1.08420217248550443400745280086994171e-19F64x
+#define __STDC_HOSTED__ 1
+#define __LDBL_HAS_INFINITY__ 1
+#define __FLT32_DIG__ 6
+#define __FLT_EPSILON__ 1.19209289550781250000000000000000000e-7F
+#define __GXX_WEAK__ 1
+#define __SHRT_WIDTH__ 16
+#define __LDBL_MIN__ 3.36210314311209350626267781732175260e-4932L
+#define __DEC32_MAX__ 9.999999E96DF
+#define __cpp_threadsafe_static_init 200806
+#define __FLT64X_DENORM_MIN__ 3.64519953188247460252840593361941982e-4951F64x
+#define __FLT32X_HAS_INFINITY__ 1
+#define __INT32_MAX__ 0x7fffffff
+#define __INT_WIDTH__ 32
+#define __SIZEOF_LONG__ 8
+#define __STDC_IEC_559__ 1
+#define __STDC_ISO_10646__ 201706L
+#define __UINT16_C(c) c
+#define __PTRDIFF_WIDTH__ 64
+#define __DECIMAL_DIG__ 21
+#define __FLT64_EPSILON__ 2.22044604925031308084726333618164062e-16F64
+#define __gnu_linux__ 1
+#define __INTMAX_WIDTH__ 64
+#define __FLT64_MIN_EXP__ (-1021)
+#define __has_include_next(STR) __has_include_next__(STR)
+#define __FLT64X_MIN_10_EXP__ (-4931)
+#define __LDBL_HAS_QUIET_NAN__ 1
+#define __FLT64_MANT_DIG__ 53
+#define __GNUC__ 9
+#define __GXX_RTTI 1
+#define __pie__ 2
+#define __MMX__ 1
+#define __cpp_delegating_constructors 200604
+#define __FLT_HAS_DENORM__ 1
+#define __SIZEOF_LONG_DOUBLE__ 16
+#define __BIGGEST_ALIGNMENT__ 16
+#define __STDC_UTF_16__ 1
+#define __FLT64_MAX_10_EXP__ 308
+#define __FLT32_HAS_INFINITY__ 1
+#define __DBL_MAX__ double(1.79769313486231570814527423731704357e+308L)
+#define __cpp_raw_strings 200710
+#define __INT_FAST32_MAX__ 0x7fffffffffffffffL
+#define __DBL_HAS_INFINITY__ 1
+#define __cpp_deduction_guides 201703
+#define __HAVE_SPECULATION_SAFE_VALUE 1
+#define __cpp_fold_expressions 201603
+#define __DEC32_MIN_EXP__ (-94)
+#define __INTPTR_WIDTH__ 64
+#define __FLT32X_HAS_DENORM__ 1
+#define __INT_FAST16_TYPE__ long int
+#define __LDBL_HAS_DENORM__ 1
+#define __cplusplus 201703L
+#define __cpp_ref_qualifiers 200710
+#define __DEC128_MAX__ 9.999999999999999999999999999999999E6144DL
+#define __INT_LEAST32_MAX__ 0x7fffffff
+#define __DEC32_MIN__ 1E-95DF
+#define __DEPRECATED 1
+#define __cpp_rvalue_references 200610
+#define __DBL_MAX_EXP__ 1024
+#define __WCHAR_WIDTH__ 32
+#define __FLT32_MAX__ 3.40282346638528859811704183484516925e+38F32
+#define __DEC128_EPSILON__ 1E-33DL
+#define __SSE2_MATH__ 1
+#define __ATOMIC_HLE_RELEASE 131072
+#define __PTRDIFF_MAX__ 0x7fffffffffffffffL
+#define __amd64 1
+#define __ATOMIC_HLE_ACQUIRE 65536
+#define __FLT32_HAS_QUIET_NAN__ 1
+#define __GNUG__ 9
+#define __LONG_LONG_MAX__ 0x7fffffffffffffffLL
+#define __SIZEOF_SIZE_T__ 8
+#define __cpp_nsdmi 200809
+#define __FLT64X_MIN_EXP__ (-16381)
+#define __SIZEOF_WINT_T__ 4
+#define __LONG_LONG_WIDTH__ 64
+#define __cpp_initializer_lists 200806
+#define __FLT32_MAX_EXP__ 128
+#define __cpp_hex_float 201603
+#define __GCC_HAVE_DWARF2_CFI_ASM 1
+#define __GXX_ABI_VERSION 1013
+#define __FLT128_HAS_INFINITY__ 1
+#define __FLT_MIN_EXP__ (-125)
+#define __cpp_lambdas 200907
+#define __FLT64X_HAS_QUIET_NAN__ 1
+#define __INT_FAST64_TYPE__ long int
+#define __FLT64_DENORM_MIN__ 4.94065645841246544176568792868221372e-324F64
+#define __DBL_MIN__ double(2.22507385850720138309023271733240406e-308L)
+#define __PIE__ 2
+#define __LP64__ 1
+#define __FLT32X_EPSILON__ 2.22044604925031308084726333618164062e-16F32x
+#define __DECIMAL_BID_FORMAT__ 1
+#define __FLT64_MIN_10_EXP__ (-307)
+#define __FLT64X_DECIMAL_DIG__ 21
+#define __DEC128_MIN__ 1E-6143DL
+#define __REGISTER_PREFIX__ 
+#define __UINT16_MAX__ 0xffff
+#define __FLT32_MIN__ 1.17549435082228750796873653722224568e-38F32
+#define __UINT8_TYPE__ unsigned char
+#define __NO_INLINE__ 1
+#define __FLT_MANT_DIG__ 24
+#define __LDBL_DECIMAL_DIG__ 21
+#define __VERSION__ "9.4.0"
+#define __UINT64_C(c) c ## UL
+#define __cpp_unicode_characters 201411
+#define _STDC_PREDEF_H 1
+#define __cpp_decltype_auto 201304
+#define __GCC_ATOMIC_INT_LOCK_FREE 2
+#define __FLT128_MAX_EXP__ 16384
+#define __FLT32_MANT_DIG__ 24
+#define __FLOAT_WORD_ORDER__ __ORDER_LITTLE_ENDIAN__
+#define __cpp_aggregate_bases 201603
+#define __STDC_IEC_559_COMPLEX__ 1
+#define __FLT128_HAS_DENORM__ 1
+#define __FLT128_DIG__ 33
+#define __SCHAR_WIDTH__ 8
+#define __INT32_C(c) c
+#define __DEC64_EPSILON__ 1E-15DD
+#define __ORDER_PDP_ENDIAN__ 3412
+#define __DEC128_MIN_EXP__ (-6142)
+#define __cpp_nested_namespace_definitions 201411
+#define __INT_FAST32_TYPE__ long int
+#define __UINT_LEAST16_TYPE__ short unsigned int
+#define __FLT64X_HAS_INFINITY__ 1
+#define unix 1
+#define __DBL_HAS_DENORM__ 1
+#define __INT16_MAX__ 0x7fff
+#define __cpp_rtti 199711
+#define __SIZE_TYPE__ long unsigned int
+#define __UINT64_MAX__ 0xffffffffffffffffUL
+#define __FLT64X_DIG__ 18
+#define __INT8_TYPE__ signed char
+#define __cpp_digit_separators 201309
+#define __ELF__ 1
+#define __GCC_ASM_FLAG_OUTPUTS__ 1
+#define __FLT_RADIX__ 2
+#define __INT_LEAST16_TYPE__ short int
+#define __LDBL_EPSILON__ 1.08420217248550443400745280086994171e-19L
+#define __UINTMAX_C(c) c ## UL
+#define __GLIBCXX_BITSIZE_INT_N_0 128
+#define __k8 1
+#define __SIG_ATOMIC_MAX__ 0x7fffffff
+#define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 2
+#define __SIZEOF_PTRDIFF_T__ 8
+#define __FLT32X_MANT_DIG__ 53
+#define __x86_64__ 1
+#define __FLT32X_MIN_EXP__ (-1021)
+#define __DEC32_SUBNORMAL_MIN__ 0.000001E-95DF
+#define __INT_FAST16_MAX__ 0x7fffffffffffffffL
+#define __FLT64_DIG__ 15
+#define __UINT_FAST32_MAX__ 0xffffffffffffffffUL
+#define __UINT_LEAST64_TYPE__ long unsigned int
+#define __FLT_HAS_QUIET_NAN__ 1
+#define __FLT_MAX_10_EXP__ 38
+#define __LONG_MAX__ 0x7fffffffffffffffL
+#define __FLT64X_HAS_DENORM__ 1
+#define __DEC128_SUBNORMAL_MIN__ 0.000000000000000000000000000000001E-6143DL
+#define __FLT_HAS_INFINITY__ 1
+#define __cpp_unicode_literals 200710
+#define __UINT_FAST16_TYPE__ long unsigned int
+#define __DEC64_MAX__ 9.999999999999999E384DD
+#define __INT_FAST32_WIDTH__ 64
+#define __CHAR16_TYPE__ short unsigned int
+#define __PRAGMA_REDEFINE_EXTNAME 1
+#define __SIZE_WIDTH__ 64
+#define __SEG_FS 1
+#define __INT_LEAST16_MAX__ 0x7fff
+#define __DEC64_MANT_DIG__ 16
+#define __INT64_MAX__ 0x7fffffffffffffffL
+#define __UINT_LEAST32_MAX__ 0xffffffffU
+#define __SEG_GS 1
+#define __FLT32_DENORM_MIN__ 1.40129846432481707092372958328991613e-45F32
+#define __GCC_ATOMIC_LONG_LOCK_FREE 2
+#define __SIG_ATOMIC_WIDTH__ 32
+#define __INT_LEAST64_TYPE__ long int
+#define __INT16_TYPE__ short int
+#define __INT_LEAST8_TYPE__ signed char
+#define __cpp_structured_bindings 201606
+#define __DEC32_MAX_EXP__ 97
+#define __INT_FAST8_MAX__ 0x7f
+#define __FLT128_MAX__ 1.18973149535723176508575932662800702e+4932F128
+#define __INTPTR_MAX__ 0x7fffffffffffffffL
+#define __cpp_sized_deallocation 201309
+#define __cpp_guaranteed_copy_elision 201606
+#define linux 1
+#define __cpp_range_based_for 201603
+#define __FLT64_HAS_QUIET_NAN__ 1
+#define __FLT32_MIN_10_EXP__ (-37)
+#define __SSE2__ 1
+#define __EXCEPTIONS 1
+#define __LDBL_MANT_DIG__ 64
+#define __DBL_HAS_QUIET_NAN__ 1
+#define __FLT64_HAS_INFINITY__ 1
+#define __FLT64X_MAX__ 1.18973149535723176502126385303097021e+4932F64x
+#define __STDCPP_DEFAULT_NEW_ALIGNMENT__ 16
+#define __SIG_ATOMIC_MIN__ (-__SIG_ATOMIC_MAX__ - 1)
+#define __code_model_small__ 1
+#define __cpp_nontype_template_args 201411
+#define __cpp_return_type_deduction 201304
+#define __k8__ 1
+#define __INTPTR_TYPE__ long int
+#define __UINT16_TYPE__ short unsigned int
+#define __WCHAR_TYPE__ int
+#define __SIZEOF_FLOAT__ 4
+#define __pic__ 2
+#define __UINTPTR_MAX__ 0xffffffffffffffffUL
+#define __INT_FAST64_WIDTH__ 64
+#define __DEC64_MIN_EXP__ (-382)
+#define __cpp_decltype 200707
+#define __FLT32_DECIMAL_DIG__ 9
+#define __INT_FAST64_MAX__ 0x7fffffffffffffffL
+#define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1
+#define __FLT_DIG__ 6
+#define __FLT64X_MAX_EXP__ 16384
+#define __UINT_FAST64_TYPE__ long unsigned int
+#define __cpp_inline_variables 201606
+#define __INT_MAX__ 0x7fffffff
+#define __amd64__ 1
+#define __INT64_TYPE__ long int
+#define __FLT_MAX_EXP__ 128
+#define __ORDER_BIG_ENDIAN__ 4321
+#define __DBL_MANT_DIG__ 53
+#define __cpp_inheriting_constructors 201511
+#define __SIZEOF_FLOAT128__ 16
+#define __INT_LEAST64_MAX__ 0x7fffffffffffffffL
+#define __DEC64_MIN__ 1E-383DD
+#define __WINT_TYPE__ unsigned int
+#define __UINT_LEAST32_TYPE__ unsigned int
+#define __SIZEOF_SHORT__ 2
+#define __SSE__ 1
+#define __LDBL_MIN_EXP__ (-16381)
+#define __FLT64_MAX__ 1.79769313486231570814527423731704357e+308F64
+#define __WINT_WIDTH__ 32
+#define __cpp_template_auto 201606
+#define __INT_LEAST8_MAX__ 0x7f
+#define __FLT32X_MAX_10_EXP__ 308
+#define __SIZEOF_INT128__ 16
+#define __LDBL_MAX_10_EXP__ 4932
+#define __ATOMIC_RELAXED 0
+#define __DBL_EPSILON__ double(2.22044604925031308084726333618164062e-16L)
+#define __FLT128_MIN__ 3.36210314311209350626267781732175260e-4932F128
+#define _LP64 1
+#define __UINT8_C(c) c
+#define __FLT64_MAX_EXP__ 1024
+#define __INT_LEAST32_TYPE__ int
+#define __SIZEOF_WCHAR_T__ 4
+#define __FLT128_HAS_QUIET_NAN__ 1
+#define __INT_FAST8_TYPE__ signed char
+#define __FLT64X_MIN__ 3.36210314311209350626267781732175260e-4932F64x
+#define __GNUC_STDC_INLINE__ 1
+#define __FLT64_HAS_DENORM__ 1
+#define __FLT32_EPSILON__ 1.19209289550781250000000000000000000e-7F32
+#define __DBL_DECIMAL_DIG__ 17
+#define __STDC_UTF_32__ 1
+#define __INT_FAST8_WIDTH__ 8
+#define __FXSR__ 1
+#define __DEC_EVAL_METHOD__ 2
+#define __FLT32X_MAX__ 1.79769313486231570814527423731704357e+308F32x
+#define __cpp_runtime_arrays 198712
+#define __UINT64_TYPE__ long unsigned int
+#define __cpp_namespace_attributes 201411
+#define __UINT32_C(c) c ## U
+#define __INTMAX_MAX__ 0x7fffffffffffffffL
+#define __cpp_alias_templates 200704
+#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
+#define __FLT_DENORM_MIN__ 1.40129846432481707092372958328991613e-45F
+#define __INT8_MAX__ 0x7f
+#define __LONG_WIDTH__ 64
+#define __PIC__ 2
+#define __UINT_FAST32_TYPE__ long unsigned int
+#define __CHAR32_TYPE__ unsigned int
+#define __FLT_MAX__ 3.40282346638528859811704183484516925e+38F
+#define __cpp_constexpr 201603
+#define __INT32_TYPE__ int
+#define __SIZEOF_DOUBLE__ 8
+#define __cpp_exceptions 199711
+#define __FLT_MIN_10_EXP__ (-37)
+#define __FLT64_MIN__ 2.22507385850720138309023271733240406e-308F64
+#define __INT_LEAST32_WIDTH__ 32
+#define __INTMAX_TYPE__ long int
+#define __DEC128_MAX_EXP__ 6145
+#define __FLT32X_HAS_QUIET_NAN__ 1
+#define __ATOMIC_CONSUME 1
+#define __GNUC_MINOR__ 4
+#define __GLIBCXX_TYPE_INT_N_0 __int128
+#define __INT_FAST16_WIDTH__ 64
+#define __UINTMAX_MAX__ 0xffffffffffffffffUL
+#define __DEC32_MANT_DIG__ 7
+#define __FLT32X_DENORM_MIN__ 4.94065645841246544176568792868221372e-324F32x
+#define __cpp_template_template_args 201611
+#define __DBL_MAX_10_EXP__ 308
+#define __LDBL_DENORM_MIN__ 3.64519953188247460252840593361941982e-4951L
+#define __INT16_C(c) c
+#define __cpp_generic_lambdas 201304
+#define __STDC__ 1
+#define __FLT32X_DIG__ 15
+#define __PTRDIFF_TYPE__ long int
+#define __ATOMIC_SEQ_CST 5
+#define __UINT32_TYPE__ unsigned int
+#define __FLT32X_MIN_10_EXP__ (-307)
+#define __UINTPTR_TYPE__ long unsigned int
+#define __DEC64_SUBNORMAL_MIN__ 0.000000000000001E-383DD
+#define __DEC128_MANT_DIG__ 34
+#define __LDBL_MIN_10_EXP__ (-4931)
+#define __FLT128_EPSILON__ 1.92592994438723585305597794258492732e-34F128
+#define __SSE_MATH__ 1
+#define __SIZEOF_LONG_LONG__ 8
+#define __cpp_user_defined_literals 200809
+#define __FLT128_DECIMAL_DIG__ 36
+#define __GCC_ATOMIC_LLONG_LOCK_FREE 2
+#define __FLT32X_MIN__ 2.22507385850720138309023271733240406e-308F32x
+#define __LDBL_DIG__ 18
+#define __FLT_DECIMAL_DIG__ 9
+#define __UINT_FAST16_MAX__ 0xffffffffffffffffUL
+#define __GCC_ATOMIC_SHORT_LOCK_FREE 2
+#define __INT_LEAST64_WIDTH__ 64
+#define __UINT_FAST8_TYPE__ unsigned char
+#define _GNU_SOURCE 1
+#define __cpp_init_captures 201304
+#define __ATOMIC_ACQ_REL 4
+#define __ATOMIC_RELEASE 3

EGUI/build-lab1-Desktop_Qt_6_2_4_GCC_64bit-Debug/qmake_qmake_qm_files.qrc

@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="i18n">
+<file alias="lab1_pl_PL.qm">/home/kuchy/Zlew/Studia/NieNotatki/Projekty/nie_inzynierka/Programowanie/EGUI/egui_lab1_krzysztof_rudnicki/build-lab1-Desktop_Qt_6_2_4_GCC_64bit-Debug/.qm/lab1_pl_PL.qm</file>
+</qresource>
+</RCC>

EGUI/build-lab1-Desktop_Qt_6_2_4_GCC_64bit-Debug/qrc_qmake_qmake_qm_files.cpp

@@ -0,0 +1,92 @@
+/****************************************************************************
+** Resource object code
+**
+** Created by: The Resource Compiler for Qt version 6.2.4
+**
+** WARNING! All changes made in this file will be lost!
+*****************************************************************************/
+
+static const unsigned char qt_resource_data[] = {
+  // /home/kuchy/Zlew/Studia/NieNotatki/Projekty/nie_inzynierka/Programowanie/EGUI/egui_lab1_krzysztof_rudnicki/build-lab1-Desktop_Qt_6_2_4_GCC_64bit-Debug/.qm/lab1_pl_PL.qm
+  0x0,0x0,0x0,0x29,
+  0x3c,
+  0xb8,0x64,0x18,0xca,0xef,0x9c,0x95,0xcd,0x21,0x1c,0xbf,0x60,0xa1,0xbd,0xdd,0xa7,
+  0x0,0x0,0x0,0x5,0x70,0x6c,0x5f,0x50,0x4c,0x88,0x0,0x0,0x0,0xa,0x1,0x1,
+  0xff,0x14,0x2,0x4,0xfd,0x2c,0xa,0x13,
+  
+};
+
+static const unsigned char qt_resource_name[] = {
+  // i18n
+  0x0,0x4,
+  0x0,0x6,0xc4,0xee,
+  0x0,0x69,
+  0x0,0x31,0x0,0x38,0x0,0x6e,
+    // lab1_pl_PL.qm
+  0x0,0xd,
+  0x6,0xae,0x18,0x5d,
+  0x0,0x6c,
+  0x0,0x61,0x0,0x62,0x0,0x31,0x0,0x5f,0x0,0x70,0x0,0x6c,0x0,0x5f,0x0,0x50,0x0,0x4c,0x0,0x2e,0x0,0x71,0x0,0x6d,
+  
+};
+
+static const unsigned char qt_resource_struct[] = {
+  // :
+  0x0,0x0,0x0,0x0,0x0,0x2,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x1,
+0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+  // :/i18n
+  0x0,0x0,0x0,0x0,0x0,0x2,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x2,
+0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+  // :/i18n/lab1_pl_PL.qm
+  0x0,0x0,0x0,0xe,0x0,0x0,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x0,
+0x0,0x0,0x1,0x7f,0xc6,0xd1,0xee,0x9c,
+
+};
+
+#ifdef QT_NAMESPACE
+#  define QT_RCC_PREPEND_NAMESPACE(name) ::QT_NAMESPACE::name
+#  define QT_RCC_MANGLE_NAMESPACE0(x) x
+#  define QT_RCC_MANGLE_NAMESPACE1(a, b) a##_##b
+#  define QT_RCC_MANGLE_NAMESPACE2(a, b) QT_RCC_MANGLE_NAMESPACE1(a,b)
+#  define QT_RCC_MANGLE_NAMESPACE(name) QT_RCC_MANGLE_NAMESPACE2( \
+        QT_RCC_MANGLE_NAMESPACE0(name), QT_RCC_MANGLE_NAMESPACE0(QT_NAMESPACE))
+#else
+#   define QT_RCC_PREPEND_NAMESPACE(name) name
+#   define QT_RCC_MANGLE_NAMESPACE(name) name
+#endif
+
+#ifdef QT_NAMESPACE
+namespace QT_NAMESPACE {
+#endif
+
+bool qRegisterResourceData(int, const unsigned char *, const unsigned char *, const unsigned char *);
+bool qUnregisterResourceData(int, const unsigned char *, const unsigned char *, const unsigned char *);
+
+#ifdef QT_NAMESPACE
+}
+#endif
+
+int QT_RCC_MANGLE_NAMESPACE(qInitResources_qmake_qmake_qm_files)();
+int QT_RCC_MANGLE_NAMESPACE(qInitResources_qmake_qmake_qm_files)()
+{
+    int version = 3;
+    QT_RCC_PREPEND_NAMESPACE(qRegisterResourceData)
+        (version, qt_resource_struct, qt_resource_name, qt_resource_data);
+    return 1;
+}
+
+int QT_RCC_MANGLE_NAMESPACE(qCleanupResources_qmake_qmake_qm_files)();
+int QT_RCC_MANGLE_NAMESPACE(qCleanupResources_qmake_qmake_qm_files)()
+{
+    int version = 3;
+    QT_RCC_PREPEND_NAMESPACE(qUnregisterResourceData)
+       (version, qt_resource_struct, qt_resource_name, qt_resource_data);
+    return 1;
+}
+
+namespace {
+   struct initializer {
+       initializer() { QT_RCC_MANGLE_NAMESPACE(qInitResources_qmake_qmake_qm_files)(); }
+       ~initializer() { QT_RCC_MANGLE_NAMESPACE(qCleanupResources_qmake_qmake_qm_files)(); }
+   } dummy;
+}

EGUI/build-lab1-Desktop_Qt_6_2_4_GCC_64bit-Debug/save.json

@@ -0,0 +1,4 @@
+{
+    "mail": "33",
+    "password": "3"
+}

EGUI/build-lab1-Desktop_Qt_6_2_4_GCC_64bit-Debug/ui_mainwindow.h

@@ -0,0 +1,115 @@
+/********************************************************************************
+** Form generated from reading UI file 'mainwindow.ui'
+**
+** Created by: Qt User Interface Compiler version 6.2.4
+**
+** WARNING! All changes made in this file will be lost when recompiling UI file!
+********************************************************************************/
+
+#ifndef UI_MAINWINDOW_H
+#define UI_MAINWINDOW_H
+
+#include <QtCore/QVariant>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QFormLayout>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QLineEdit>
+#include <QtWidgets/QMainWindow>
+#include <QtWidgets/QMenuBar>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QWidget>
+
+QT_BEGIN_NAMESPACE
+
+class Ui_MainWindow
+{
+public:
+    QWidget *centralwidget;
+    QFormLayout *formLayout;
+    QLabel *label;
+    QLabel *label_2;
+    QLabel *label_3;
+    QPushButton *pushButton;
+    QLineEdit *inputMail;
+    QLineEdit *inputPassword;
+    QMenuBar *menubar;
+
+    void setupUi(QMainWindow *MainWindow)
+    {
+        if (MainWindow->objectName().isEmpty())
+            MainWindow->setObjectName(QString::fromUtf8("MainWindow"));
+        MainWindow->resize(800, 600);
+        centralwidget = new QWidget(MainWindow);
+        centralwidget->setObjectName(QString::fromUtf8("centralwidget"));
+        formLayout = new QFormLayout(centralwidget);
+        formLayout->setObjectName(QString::fromUtf8("formLayout"));
+        label = new QLabel(centralwidget);
+        label->setObjectName(QString::fromUtf8("label"));
+
+        formLayout->setWidget(0, QFormLayout::SpanningRole, label);
+
+        label_2 = new QLabel(centralwidget);
+        label_2->setObjectName(QString::fromUtf8("label_2"));
+
+        formLayout->setWidget(1, QFormLayout::SpanningRole, label_2);
+
+        label_3 = new QLabel(centralwidget);
+        label_3->setObjectName(QString::fromUtf8("label_3"));
+
+        formLayout->setWidget(3, QFormLayout::SpanningRole, label_3);
+
+        pushButton = new QPushButton(centralwidget);
+        pushButton->setObjectName(QString::fromUtf8("pushButton"));
+
+        formLayout->setWidget(5, QFormLayout::SpanningRole, pushButton);
+
+        inputMail = new QLineEdit(centralwidget);
+        inputMail->setObjectName(QString::fromUtf8("inputMail"));
+
+        formLayout->setWidget(2, QFormLayout::SpanningRole, inputMail);
+
+        inputPassword = new QLineEdit(centralwidget);
+        inputPassword->setObjectName(QString::fromUtf8("inputPassword"));
+
+        formLayout->setWidget(4, QFormLayout::SpanningRole, inputPassword);
+
+        MainWindow->setCentralWidget(centralwidget);
+        menubar = new QMenuBar(MainWindow);
+        menubar->setObjectName(QString::fromUtf8("menubar"));
+        menubar->setGeometry(QRect(0, 0, 800, 19));
+        MainWindow->setMenuBar(menubar);
+
+        retranslateUi(MainWindow);
+
+        QMetaObject::connectSlotsByName(MainWindow);
+    } // setupUi
+
+    void retranslateUi(QMainWindow *MainWindow)
+    {
+        MainWindow->setWindowTitle(QCoreApplication::translate("MainWindow", "MainWindow", nullptr));
+        label->setText(QCoreApplication::translate("MainWindow", "<html><head/><body><p align=\"center\"><span style=\" font-size:72pt;\">Register</span></p></body></html>", nullptr));
+        label_2->setText(QCoreApplication::translate("MainWindow", "<html><head/><body><p align=\"center\"><span style=\" font-size:36pt;\">Mail</span></p></body></html>", nullptr));
+        label_3->setText(QCoreApplication::translate("MainWindow", "<html><head/><body><p align=\"center\"><span style=\" font-size:36pt;\">Password</span></p></body></html>", nullptr));
+#if QT_CONFIG(tooltip)
+        pushButton->setToolTip(QCoreApplication::translate("MainWindow", "<html><head/><body><p><span style=\" font-size:72pt;\">Register</span></p><p><br/></p></body></html>", nullptr));
+#endif // QT_CONFIG(tooltip)
+        pushButton->setText(QCoreApplication::translate("MainWindow", "Register", nullptr));
+#if QT_CONFIG(tooltip)
+        inputPassword->setToolTip(QCoreApplication::translate("MainWindow", "Dupa\n"
+"", nullptr));
+#endif // QT_CONFIG(tooltip)
+#if QT_CONFIG(whatsthis)
+        inputPassword->setWhatsThis(QCoreApplication::translate("MainWindow", "<html><head/><body><p><br/></p></body></html>", nullptr));
+#endif // QT_CONFIG(whatsthis)
+        inputPassword->setText(QString());
+    } // retranslateUi
+
+};
+
+namespace Ui {
+    class MainWindow: public Ui_MainWindow {};
+} // namespace Ui
+
+QT_END_NAMESPACE
+
+#endif // UI_MAINWINDOW_H

EGUI/build-lab1-Desktop_Qt_6_2_4_GCC_64bit-Debug/ui_register.h

@@ -0,0 +1,123 @@
+/********************************************************************************
+** Form generated from reading UI file 'register.ui'
+**
+** Created by: Qt User Interface Compiler version 6.2.4
+**
+** WARNING! All changes made in this file will be lost when recompiling UI file!
+********************************************************************************/
+
+#ifndef UI_REGISTER_H
+#define UI_REGISTER_H
+
+#include <QtCore/QVariant>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QLineEdit>
+#include <QtWidgets/QMainWindow>
+#include <QtWidgets/QMenuBar>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QStatusBar>
+#include <QtWidgets/QVBoxLayout>
+#include <QtWidgets/QWidget>
+
+QT_BEGIN_NAMESPACE
+
+class Ui_MainWindow
+{
+public:
+    QWidget *centralwidget;
+    QWidget *widget;
+    QVBoxLayout *verticalLayout_2;
+    QVBoxLayout *verticalLayout;
+    QLabel *label_3;
+    QLabel *label;
+    QLineEdit *lineEdit;
+    QLabel *label_2;
+    QLineEdit *lineEdit_2;
+    QPushButton *pushButton;
+    QMenuBar *menubar;
+    QStatusBar *statusbar;
+
+    void setupUi(QMainWindow *MainWindow)
+    {
+        if (MainWindow->objectName().isEmpty())
+            MainWindow->setObjectName(QString::fromUtf8("MainWindow"));
+        MainWindow->resize(800, 600);
+        centralwidget = new QWidget(MainWindow);
+        centralwidget->setObjectName(QString::fromUtf8("centralwidget"));
+        widget = new QWidget(centralwidget);
+        widget->setObjectName(QString::fromUtf8("widget"));
+        widget->setGeometry(QRect(200, 0, 431, 491));
+        verticalLayout_2 = new QVBoxLayout(widget);
+        verticalLayout_2->setObjectName(QString::fromUtf8("verticalLayout_2"));
+        verticalLayout_2->setContentsMargins(0, 0, 0, 0);
+        verticalLayout = new QVBoxLayout();
+        verticalLayout->setObjectName(QString::fromUtf8("verticalLayout"));
+        label_3 = new QLabel(widget);
+        label_3->setObjectName(QString::fromUtf8("label_3"));
+        label_3->setAlignment(Qt::AlignCenter);
+
+        verticalLayout->addWidget(label_3);
+
+        label = new QLabel(widget);
+        label->setObjectName(QString::fromUtf8("label"));
+        label->setAlignment(Qt::AlignCenter);
+
+        verticalLayout->addWidget(label);
+
+        lineEdit = new QLineEdit(widget);
+        lineEdit->setObjectName(QString::fromUtf8("lineEdit"));
+
+        verticalLayout->addWidget(lineEdit);
+
+        label_2 = new QLabel(widget);
+        label_2->setObjectName(QString::fromUtf8("label_2"));
+        label_2->setAlignment(Qt::AlignCenter);
+
+        verticalLayout->addWidget(label_2);
+
+        lineEdit_2 = new QLineEdit(widget);
+        lineEdit_2->setObjectName(QString::fromUtf8("lineEdit_2"));
+
+        verticalLayout->addWidget(lineEdit_2);
+
+
+        verticalLayout_2->addLayout(verticalLayout);
+
+        pushButton = new QPushButton(widget);
+        pushButton->setObjectName(QString::fromUtf8("pushButton"));
+
+        verticalLayout_2->addWidget(pushButton);
+
+        MainWindow->setCentralWidget(centralwidget);
+        menubar = new QMenuBar(MainWindow);
+        menubar->setObjectName(QString::fromUtf8("menubar"));
+        menubar->setGeometry(QRect(0, 0, 800, 19));
+        MainWindow->setMenuBar(menubar);
+        statusbar = new QStatusBar(MainWindow);
+        statusbar->setObjectName(QString::fromUtf8("statusbar"));
+        MainWindow->setStatusBar(statusbar);
+
+        retranslateUi(MainWindow);
+
+        QMetaObject::connectSlotsByName(MainWindow);
+    } // setupUi
+
+    void retranslateUi(QMainWindow *MainWindow)
+    {
+        MainWindow->setWindowTitle(QCoreApplication::translate("MainWindow", "MainWindow", nullptr));
+        label_3->setText(QCoreApplication::translate("MainWindow", "Registry", nullptr));
+        label->setText(QCoreApplication::translate("MainWindow", "Mail", nullptr));
+        label_2->setText(QCoreApplication::translate("MainWindow", "Password", nullptr));
+        pushButton->setText(QCoreApplication::translate("MainWindow", "Register", nullptr));
+    } // retranslateUi
+
+};
+
+namespace Ui {
+    class MainWindow: public Ui_MainWindow {};
+} // namespace Ui
+
+QT_END_NAMESPACE
+
+#endif // UI_REGISTER_H

EGUI/lab1/main.cpp

@@ -1,12 +1,17 @@
-#include "mainwindow.h"
+#include "mainwindow.h" // header file included, header files for the Notepad widget
 
-#include <QApplication>
+#include <QApplication> // handle widgets, events, mouse movement, feel of window,
+// header files for QApplication
 #include <QLocale>
 #include <QTranslator>
 
-int main(int argc, char *argv[])
+// main function that is the entry point for all C and C++ based applications:
+int main(int argc, char *argv[]) // all exectution begins here
 {
-    QApplication a(argc, argv);
+    QApplication a(argc, argv); // creates a QApplication object.
+    // This object manages application-wide resources and is necessary to run
+    // any Qt program that uses Qt Widgets. It constructs an application object
+    // with argc command line arguments run in argv
 
     QTranslator translator;
     const QStringList uiLanguages = QLocale::system().uiLanguages();
@@ -17,7 +22,20 @@ int main(int argc, char *argv[])
             break;
         }
     }
-    MainWindow w;
-    w.show();
-    return a.exec();
+    MainWindow w; // we create main application object
+    // This is the object for which the wizard created the class and the UI file.
+    // The user interface contains visual elements that are called widgets in Qt.
+    // Examples of widgets are text edits, scroll bars, labels, and radio buttons.
+    // A widget can also be a container for other widgets;
+    // va dialog or a main application window, for example.
+    w.show(); // we display it
+    // The following line shows the mainWindow widget on the screen in its own window.
+    // Widgets can also function as containers.
+    // An example of this is QMainWindow which often contains several types of widgets.
+    // Widgets are not visible by default; the function show() makes the widget visible.
+    return a.exec(); // put app into loop where events in application are going to happen
+    // The following line makes the QApplication enter its event loop.
+    // When a Qt application is running,
+    // events are generated and sent to the widgets of the application.
+    // Examples of events are mouse presses and key strokes.
 }

EGUI/lab1/mainwindow.cpp

@@ -1,15 +1,54 @@
-#include "mainwindow.h"
-#include "ui_mainwindow.h"
+#include "mainwindow.h" // Notepad class header file that was generated by the wizard
+#include "ui_mainwindow.h" // UI header file that was generated by the uic tool
+#include <QFileDialog>
+#include <QMessageBox>
+#include <iostream>
+#include <QJsonObject>
+#include <QJsonDocument>
+#include <QTextStream>
 
-MainWindow::MainWindow(QWidget *parent)
-    : QMainWindow(parent)
-    , ui(new Ui::MainWindow)
+MainWindow::MainWindow(QWidget *parent) // class definition, constructor
+    : QMainWindow(parent) // calls qmainwindow parent constructor we have,
+    // base class for the MainWindow class:
+    , ui(new Ui::MainWindow) // create ui class and assign to ui member
+    // creates the UI class instance and assigns it to the ui member:
 {
-    ui->setupUi(this);
+    ui->setupUi(this); // setup user interface
 }
 
 MainWindow::~MainWindow()
 {
-    delete ui;
+    delete ui; // in the destructor, we delete the ui
+}
+
+void MainWindow::saveJsonFile(QJsonObject &json) const
+{
+    QFile jsonFile(QStringLiteral("save.json"));
+    QJsonDocument document;
+    document.setObject( json );
+    QByteArray bytes = document.toJson( QJsonDocument::Indented );
+    jsonFile.open( QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate );
+    QTextStream iStream( &jsonFile );
+    // iStream.setCodec( "utf-8" );
+    iStream << bytes;
+    jsonFile.close();
+}
+
+void MainWindow::saveRegisteredUser(QJsonObject &json) const
+{
+
+    QString mail = ui->inputMail->text();
+    QString password = ui->inputPassword->text();
+    qDebug() << mail << " " << password;
+    json["mail"] = mail;
+    json["password"]=password;
+    saveJsonFile(json);
+}
+
+
+void MainWindow::on_pushButton_clicked()
+{
+    QJsonObject saveFile;
+    saveRegisteredUser(saveFile);
 }
 

EGUI/lab1/mainwindow.h

@@ -1,21 +1,41 @@
-#ifndef MAINWINDOW_H
+#ifndef MAINWINDOW_H // make sure that header is not loaded more than once
 #define MAINWINDOW_H
 
-#include <QMainWindow>
+#include <QMainWindow> // Provide main application window in wchich user interface is build
+// We can add more functionality using #include <Q...>
+#include <QJsonObject>
 
 QT_BEGIN_NAMESPACE
-namespace Ui { class MainWindow; }
+namespace Ui { class MainWindow; } // we are saying that we want to use standard ui namespace
+// tied to our UI file "mainwindow.ui"
 QT_END_NAMESPACE
 
 class MainWindow : public QMainWindow
 {
-    Q_OBJECT
+    Q_OBJECT // base class for all qt objects we work with
+    // The class declaration contains the Q_OBJECT macro.
+    // It must come first in the class definition, and declares our class as a QObject.
+    // Naturally, it must also inherit from QObject.
+    // A QObject adds several abilities to a normal C++ class.
+    // Notably, the class name and slot names can be queried at runtime.
+    // It is also possible to query a slot's parameter types and invoke it.
 
 public:
-    MainWindow(QWidget *parent = nullptr);
-    ~MainWindow();
+    MainWindow(QWidget *parent = nullptr); // constructor, we pass nullptr so no parents
+    // (top-level widget)
+    ~MainWindow(); // destructor, free resources
+    void newDocument();
+    void open();
+
+private slots:
+
+    void saveRegisteredUser(QJsonObject &json) const;
+
+    void on_pushButton_clicked();
+    void saveJsonFile(QJsonObject &json) const;
 
 private:
-    Ui::MainWindow *ui;
+    Ui::MainWindow *ui; // we point to ui class "mainwindow.ui"
+    QString currentFile = ""; // current file we work with
 };
 #endif // MAINWINDOW_H

EGUI/lab1/mainwindow.ui

@@ -13,9 +13,68 @@
   <property name="windowTitle">
    <string>MainWindow</string>
   </property>
-  <widget class="QWidget" name="centralwidget"/>
-  <widget class="QMenuBar" name="menubar"/>
-  <widget class="QStatusBar" name="statusbar"/>
+  <widget class="QWidget" name="centralwidget">
+   <layout class="QFormLayout" name="formLayout">
+    <item row="0" column="0" colspan="2">
+     <widget class="QLabel" name="label">
+      <property name="text">
+       <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;&lt;span style=&quot; font-size:72pt;&quot;&gt;Register&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+      </property>
+     </widget>
+    </item>
+    <item row="1" column="0" colspan="2">
+     <widget class="QLabel" name="label_2">
+      <property name="text">
+       <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;&lt;span style=&quot; font-size:36pt;&quot;&gt;Mail&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+      </property>
+     </widget>
+    </item>
+    <item row="3" column="0" colspan="2">
+     <widget class="QLabel" name="label_3">
+      <property name="text">
+       <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;&lt;span style=&quot; font-size:36pt;&quot;&gt;Password&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+      </property>
+     </widget>
+    </item>
+    <item row="5" column="0" colspan="2">
+     <widget class="QPushButton" name="pushButton">
+      <property name="toolTip">
+       <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-size:72pt;&quot;&gt;Register&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+      </property>
+      <property name="text">
+       <string>Register</string>
+      </property>
+     </widget>
+    </item>
+    <item row="2" column="0" colspan="2">
+     <widget class="QLineEdit" name="inputMail"/>
+    </item>
+    <item row="4" column="0" colspan="2">
+     <widget class="QLineEdit" name="inputPassword">
+      <property name="toolTip">
+       <string>Dupa
+</string>
+      </property>
+      <property name="whatsThis">
+       <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+      </property>
+      <property name="text">
+       <string/>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>19</height>
+    </rect>
+   </property>
+  </widget>
  </widget>
  <resources/>
  <connections/>

EGUI/lab1/register.ui

@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QWidget" name="">
+    <property name="geometry">
+     <rect>
+      <x>200</x>
+      <y>0</y>
+      <width>431</width>
+      <height>491</height>
+     </rect>
+    </property>
+    <layout class="QVBoxLayout" name="verticalLayout_2">
+     <item>
+      <layout class="QVBoxLayout" name="verticalLayout">
+       <item>
+        <widget class="QLabel" name="label_3">
+         <property name="text">
+          <string>Registry</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QLabel" name="label">
+         <property name="text">
+          <string>Mail</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QLineEdit" name="lineEdit"/>
+       </item>
+       <item>
+        <widget class="QLabel" name="label_2">
+         <property name="text">
+          <string>Password</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QLineEdit" name="lineEdit_2"/>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <widget class="QPushButton" name="pushButton">
+       <property name="text">
+        <string>Register</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </widget>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>19</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>