Merge branch 'feature/enhancing' into 'main'

Feature/enhancing

See merge request CodeByMrFinchum/OptimaLab35!5

CHANGELOG.md

@@ -1,6 +1,27 @@
 # Changelog
 
-## 0.1.0
+## 0.2.x
+### 0.2.2
+- Moved processing images into a different thread, making the UI responsiable while processing
+
+### 0.2.1
+- Insert exif to image file (i.e. without changing the file).
+
+### 0.2.0
+- Now spaces in rename string are replaces with `_`.
+- version check of `optima35`, incase pip did not update it.
+- Sorting entries from exif file.
+
+### 0.2.0-a1
+- Main UI received a facelift.
+- Added a new experimental preview window to display an image and show how changing values affects it.
+- Programm now warns for potential overwrite of existing files.
+
+## 0.1.x
+### 0.1.1
+- Update metadata, preview, readme, bump in version for pip
+
+### 0.1.0
 - Preserved the current working GUI by pinning `optima35` to a specific version for guaranteed compatibility.
 
 ## 0.0.x

README.md

@@ -31,22 +31,27 @@ pip install OptimaLab35
 - **TUI**: Fallback if **PySide6** is missing or can be explicitly started using the `--tui` flag.
 
 ### Preview GUI
+**PREVIEW** might be out of date.
 
 **Main tab**
 
-![main](https://gitlab.com/CodeByMrFinchum/OptimaLab35/-/raw/0.1.1/media/main_tab.png){width=40%}
+![main](https://gitlab.com/CodeByMrFinchum/OptimaLab35/-/raw/feature/enhancing/media/main_tab.png){width=40%}
+
+**Preview window**
+
+![main](https://gitlab.com/CodeByMrFinchum/OptimaLab35/-/raw/feature/enhancing/media/preview_window.png){width=40%}
 
 **Exif tab**
 
-![main](https://gitlab.com/CodeByMrFinchum/OptimaLab35/-/raw/0.1.1/media/exif_tab.png){width=40%}
+![main](https://gitlab.com/CodeByMrFinchum/OptimaLab35/-/raw/feature/enhancing/media/exif_tab.png){width=40%}
 
 **Exif editor**
 
-![main](https://gitlab.com/CodeByMrFinchum/OptimaLab35/-/raw/0.1.1/media/exif_editor.png){width=40%}
+![main](https://gitlab.com/CodeByMrFinchum/OptimaLab35/-/raw/feature/enhancing/media/exif_editor.png){width=40%}
 
 **Info window**
 
-![main](https://gitlab.com/CodeByMrFinchum/OptimaLab35/-/raw/0.1.1/media/info_window.png){width=40%}
+![main](https://gitlab.com/CodeByMrFinchum/OptimaLab35/-/raw/feature/enhancing/media/info_window.png){width=40%}
 
 ## **Features**
 

pip_README.md

@@ -0,0 +1,4 @@
+OptimaLab35 is in active development, and even *stable* versions may produce errors in unexpected situations. It is a GUI for optima35.
+Please visit [OptimaLab35](https://gitlab.com/CodeByMrFinchum/OptimaLab35/-/blob/main/media/exif_editor.png?ref_type=heads) gitlab page for more information.
+
+Uses [optima35](https://gitlab.com/CodeByMrFinchum/optima35) to modify images.

pyproject.toml

@@ -6,10 +6,10 @@ build-backend = "hatchling.build"
 name = "OptimaLab35"
 dynamic = ["version"]
 authors = [{ name = "Mr. Finchum" }]
-description = "User interface for OPTIMA35."
+description = "User interface for optima35."
-readme = "README.md"
+readme = "pip_README.md"
 requires-python = ">=3.8"
-dependencies = ["optima35==0.6.4", "pyside6", "PyYAML"]
+dependencies = ["optima35>=0.6.6", "pyside6", "PyYAML", "packaging"]
 classifiers = [
     "Programming Language :: Python :: 3",
     "License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)",

src/OptimaLab35/__init__.py

@@ -1 +1 @@
-__version__ = "0.1.1"
+__version__ = "0.2.2"

src/OptimaLab35/gui.py

@@ -2,13 +2,18 @@ import sys
 import os
 from datetime import datetime
 
+import time
+
 from optima35.core import OptimaManager
 from OptimaLab35.utils.utility import Utilities
 from OptimaLab35.ui.main_window import Ui_MainWindow
+from OptimaLab35.ui.preview_window import Ui_Preview_Window
 from OptimaLab35.ui.exif_handler_window import ExifEditor
 from OptimaLab35.ui.simple_dialog import SimpleDialog  # Import the SimpleDialog class
 from OptimaLab35 import __version__
 
+from PySide6.QtCore import QRunnable, QThreadPool, Signal, QObject
+
 from PySide6 import QtWidgets
 from PySide6.QtWidgets import (
     QMessageBox,
@@ -23,8 +28,110 @@ from PySide6.QtWidgets import (
     QFileDialog,
     QHBoxLayout,
     QSpinBox,
+    QProgressBar,
 )
 
+from PySide6.QtGui import QPixmap, QIcon
+
+class PreviewWindow(QMainWindow, Ui_Preview_Window):
+    values_selected = Signal(int, int, bool)
+
+    def __init__(self):
+        super(PreviewWindow, self).__init__()
+        self.ui = Ui_Preview_Window()
+        self.ui.setupUi(self)
+        self.o = OptimaManager()
+        ## Ui interaction
+        self.ui.load_Button.clicked.connect(self._browse_file)
+        self.ui.update_Button.clicked.connect(self._update_preview)
+        self.ui.close_Button.clicked.connect(self._close_window)
+
+        self.ui.reset_brightness_Button.clicked.connect(lambda: self.ui.brightness_spinBox.setValue(0))
+        self.ui.reset_contrast_Button.clicked.connect(lambda: self.ui.contrast_spinBox.setValue(0))
+        self.preview_image = None
+
+    def _browse_file(self):
+        file = QFileDialog.getOpenFileName(self, caption = "Select File", filter = ("Images (*.png *.webp *.jpg *.jpeg)"))
+        if file[0]:
+            self.ui.image_path_lineEdit.setText(file[0])
+            self._update_preview()
+
+    def _update_preview(self):
+        path = self.ui.image_path_lineEdit.text()
+        if not os.path.isfile(path):
+            return
+        try:
+            img = self.o.process_image(
+                save = False,
+                image_input_file = path,
+                image_output_file = "",
+                grayscale = self.ui.grayscale_checkBox.isChecked(),
+                brightness = int(self.ui.brightness_spinBox.text()),
+                contrast = int(self.ui.contrast_spinBox.text())
+            )
+        except Exception as e:
+            QMessageBox.warning(self, "Warning", "Error loading image...")
+            print(f"Error loading image...\n{e}")
+            return
+
+        self.preview_image = QPixmap.fromImage(img)
+        self.ui.QLabel.setPixmap(self.preview_image)
+
+    def _close_window(self):
+            # Emit the signal with the values from the spinboxes and checkbox
+            if self.ui.checkBox.isChecked():
+                self.values_selected.emit(self.ui.brightness_spinBox.value(), self.ui.contrast_spinBox.value(), self.ui.grayscale_checkBox.isChecked())
+            self.close()
+
+class WorkerSignals(QObject):
+    # ChatGPT
+    progress = Signal(int)
+    finished = Signal()
+
+class ImageProcessorRunnable(QRunnable):
+    # ChatGPT gave rough function layout
+    def __init__(self, image_files, settings, progress_callback):
+        super().__init__()
+        self.image_files = image_files
+        self.settings = settings
+        self.signals = WorkerSignals()
+        self.signals.progress.connect(progress_callback)
+        self.o = OptimaManager()
+        self.u = Utilities()
+
+    def run(self):
+        input_folder = self.settings["input_folder"]
+        output_folder = self.settings["output_folder"]
+
+        for i, image_file in enumerate(self.image_files, start=1):
+            input_path = os.path.join(input_folder, image_file)
+            if self.settings["new_file_names"] != False:
+                image_name = self.u.append_number_to_name(self.settings["new_file_names"], i, len(self.image_files), self.settings["invert_image_order"])
+            else:
+                image_name = os.path.splitext(image_file)[0]
+            output_path = os.path.join(output_folder, image_name)
+
+            self.o.process_image(
+                image_input_file = input_path,
+                image_output_file = output_path,
+                file_type = self.settings["file_format"],
+                quality = self.settings["jpg_quality"],
+                compressing = self.settings["png_compression"],
+                optimize = self.settings["optimize"],
+                resize = self.settings["resize"],
+                watermark = self.settings["watermark"],
+                font_size = self.settings["font_size"],
+                grayscale = self.settings["grayscale"],
+                brightness = self.settings["brightness"],
+                contrast = self.settings["contrast"],
+                dict_for_exif = self.settings["user_selected_exif"],
+                gps = self.settings["gps"],
+                copy_exif = self.settings["copy_exif"]
+            )
+            self.signals.progress.emit(int((i / len(self.image_files)) * 100))
+
+        self.signals.finished.emit()
+
 class OptimaLab35(QMainWindow, Ui_MainWindow):
     def __init__(self):
         super(OptimaLab35, self).__init__()
@@ -33,6 +140,7 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
         self.ui = Ui_MainWindow()
         self.ui.setupUi(self)
         self.o = OptimaManager()
+        self.check_version()
         self.u = Utilities()
         self.u.program_configs()
         self.exif_file = os.path.expanduser("~/.config/OptimaLab35/exif.yaml")
@@ -44,14 +152,31 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
 
         self.sd = SimpleDialog()
         self._change_statusbar(f"Using {self.o.name} v{self.o.version}", 5000)
+        # Instantiate the second window
+        self.preview_window = PreviewWindow()
+        self.thread_pool = QThreadPool() # multi thread ChatGPT
+
+    def open_preview_window(self):
+        self.preview_window.values_selected.connect(self.update_values)
+        self.preview_window.show()
+
+    def update_values(self, value1, value2, checkbox_state):
+        # Update main window's widgets with the received values
+        # ChatGPT
+        self.ui.brightness_spinBox.setValue(value1)
+        self.ui.contrast_spinBox.setValue(value2)
+        self.ui.grayscale_checkBox.setChecked(checkbox_state)
 
     def _default_ui_layout(self):
         self.ui.png_quality_spinBox.setVisible(False)
+        self.ui.png_quality_Slider.setVisible(False)
+        self.ui.quality_label_2.setVisible(False)
 
     def _define_gui_interaction(self):
         self.ui.input_folder_button.clicked.connect(self._browse_input_folder)
         self.ui.output_folder_button.clicked.connect(self._browse_output_folder)
-        self.ui.start_button.clicked.connect(self._process)
+        self.ui.start_button.clicked.connect(self._start_process)
+        self.ui.insert_exif_Button.clicked.connect(self._start_insert_exif)
         self.ui.image_type.currentIndexChanged.connect(self._update_quality_options)
 
         self.ui.exif_checkbox.stateChanged.connect(
@@ -60,68 +185,147 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
         self.ui.tabWidget.currentChanged.connect(self._on_tab_changed)
         self.ui.edit_exif_button.clicked.connect(self._open_exif_editor)
 
-        self.ui.actionInfo.triggered.connect(self._info_window)
+        self.ui.actionAbout.triggered.connect(self._info_window)
+        self.ui.actionPreview.triggered.connect(self.open_preview_window)
+        self.ui.preview_Button.clicked.connect(self.open_preview_window)
 
     def _info_window(self):
+        # ChatGPT, mainly
         info_text = f"""
         <h3>{self.name} v{self.version}</h3>
+        <p>(C) 2024-2025 Mr. Finchum aka CodeByMrFinchum</p>
         <p>{self.name} is a GUI for <b>{self.o.name}</b> (v{self.o.version}).</p>
-        <p>For more details, visit:</p>
+        <p> Both projects are in active development, for more details, visit:</p>
         <ul>
             <li><a href="https://gitlab.com/CodeByMrFinchum/OptimaLab35">OptimaLab35 GitLab</a></li>
-            <li><a href="https://gitlab.com/CodeByMrFinchum/optima35">Optima35 GitLab</a></li>
+            <li><a href="https://gitlab.com/CodeByMrFinchum/optima35">optima35 GitLab</a></li>
         </ul>
         """
 
         self.sd.show_dialog(f"{self.name} v{self.version}", info_text)
 
-    def _process(self):
+    def _prepear_image(self):
-        self.ui.start_button.setEnabled(False)
+        pass
-        self._update_settings() # Get all user selected data
-        input_folder_valid = os.path.exists(self.settings["input_folder"])
-        output_folder_valid = os.path.exists(self.settings["output_folder"])
-        if not input_folder_valid or not output_folder_valid:
-            QMessageBox.warning(self, "Warning", f"Input location {input_folder_valid}\nOutput folder {output_folder_valid}...")
-            return
 
+    def _image_list_from_folder(self, path):
+        image_files = [
+            f for f in os.listdir(path) if f.lower().endswith((".png", ".jpg", ".jpeg", ".webp"))
+        ]
+        return image_files
+
+    def _start_process(self):
+        self._toggle_buttons(False)
+        self._update_settings() # Get all user selected data
         input_folder = self.settings["input_folder"]
         output_folder = self.settings["output_folder"]
+        if not input_folder or not output_folder:
+            QMessageBox.warning(self, "Warning", "Input or output folder not selected")
+            self._toggle_buttons(True)
+            return
+
+        input_folder_valid = os.path.exists(input_folder)
+        output_folder_valid = os.path.exists(output_folder)
+        if not input_folder_valid or not output_folder_valid:
+            QMessageBox.warning(self, "Warning", f"Input location {input_folder_valid}\nOutput folder {output_folder_valid}...")
+            self._toggle_buttons(True)
+            return
+
+        image_list = self._image_list_from_folder(input_folder)
+        if len(image_list) == 0:
+            QMessageBox.warning(self, "Warning", "Selected folder has no supported files.")
+            self._toggle_buttons(True)
+            return
+
+        if len(self._image_list_from_folder(output_folder)) != 0:
+            reply = QMessageBox.question(
+                self,
+                "Confirmation",
+                "Output folder containes images, which might get overritten, continue?",
+                QMessageBox.Yes | QMessageBox.No,
+            )
+
+            if reply == QMessageBox.No:
+                self._toggle_buttons(True)
+                return
+
+        # Create a worker ChatGPT
+        worker = ImageProcessorRunnable(image_list, self.settings, self._handle_qprogressbar)
+        worker.signals.finished.connect(self._on_processing_finished)
+        # Start worker in thread pool ChatGPT
+        self.thread_pool.start(worker)
+
+    def _handle_qprogressbar(self, value):
+        self.ui.progressBar.setValue(value)
+
+    def _on_processing_finished(self):
+        self._toggle_buttons(True)
+        self._handle_qprogressbar(0)
+        QMessageBox.information(self, "Information", "Finished!")
+
+    def _toggle_buttons(self, state):
+        self.ui.start_button.setEnabled(state)
+
+        if self.ui.exif_checkbox.isChecked():
+            self.ui.insert_exif_Button.setEnabled(state)
+
+    def _insert_exif(self, image_files):
+        input_folder = self.settings["input_folder"]
 
-        image_files = [
-            f for f in os.listdir(input_folder) if f.lower().endswith((".png", ".jpg", ".jpeg", ".webp"))
-        ]
         i = 1
         for image_file in image_files:
-            input_path = os.path.join(input_folder, image_file)
-            if self.settings["new_file_names"] != False:
-                image_name = self.u.append_number_to_name(self.settings["new_file_names"], i, len(image_files), self.settings["invert_image_order"])
-            else:
-                image_name = os.path.splitext(image_file)[0]
-            output_path = os.path.join(output_folder, image_name)
 
-            self.o.process_image(
+            input_path = os.path.join(input_folder, image_file)
-                image_input_file = input_path,
+
-                image_output_file = output_path,
+            self.o.insert_dict_to_image(
-                file_type = self.settings["file_format"],
+                exif_dict = self.settings["user_selected_exif"],
-                quality = self.settings["jpg_quality"],
+                image_path = input_path,
-                compressing = self.settings["png_compression"],
+                gps = self.settings["gps"])
-                optimize = self.ui.optimize_checkBox.isChecked(),
+            self._change_statusbar(image_file, 100)
-                resize = self.settings["resize"],
+            self._handle_qprogressbar(int((i / len(image_files)) * 100))
-                watermark = self.settings["watermark"],
-                font_size = self.settings["font_size"],
-                grayscale = self.settings["grayscale"],
-                brightness = self.settings["brightness"],
-                contrast = self.settings["contrast"],
-                dict_for_exif = self.user_selected_exif,
-                gps = self.settings["gps"],
-                copy_exif = self.settings["copy_exif"])
-            self._handle_qprogressbar(i, len(image_files))
             i += 1
 
-        QMessageBox.information(self, "Information", "Finished")
-        self.ui.start_button.setEnabled(True)
         self.ui.progressBar.setValue(0)
 
+    def _start_insert_exif(self):
+        self._toggle_buttons(False)
+        self._update_settings() # Get all user selected data
+        input_folder = self.settings["input_folder"]
+        output_folder = self.settings["output_folder"]
+        if not input_folder:
+            QMessageBox.warning(self, "Warning", "Input not selected")
+            self._toggle_buttons(True)
+            return
+
+        if output_folder:
+            reply = QMessageBox.question(
+                self,
+                "Confirmation",
+                "Output folder selected, but insert exif is done to images in input folder, Continue?",
+                QMessageBox.Yes | QMessageBox.No,
+            )
+
+            if reply == QMessageBox.No:
+                self._toggle_buttons(True)
+                return
+
+        input_folder_valid = os.path.exists(input_folder)
+        if not input_folder_valid :
+            QMessageBox.warning(self, "Warning", f"Input location {input_folder_valid}")
+            self._toggle_buttons(True)
+            return
+
+        image_list = self._image_list_from_folder(input_folder)
+        if len(image_list) == 0:
+            QMessageBox.warning(self, "Warning", "Selected folder has no supported files.")
+            self._toggle_buttons(True)
+            return
+
+        self._insert_exif(image_list)
+
+        self._toggle_buttons(True)
+        QMessageBox.information(self, "Information", "Finished")
+
+
     def _open_exif_editor(self):
         """Open the EXIF Editor."""
         self.exif_editor = ExifEditor(self.available_exif_data)
@@ -146,9 +350,27 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
         elif index == 0:  # Main Tab
             self._handle_exif_file("write")
 
+    def _sort_dict_of_lists(self, input_dict):
+        # Partily ChatGPT
+        sorted_dict = {}
+        for key, lst in input_dict.items():
+            # Sort alphabetically for strings, numerically for numbers
+            if key == "iso":
+                lst = [int(x) for x in lst]
+                lst = sorted(lst)
+                lst = [str(x) for x in lst]
+                sorted_dict["iso"] = lst
+
+            elif all(isinstance(x, str) for x in lst):
+                sorted_dict[key] = sorted(lst, key=str.lower)  # Case-insensitive sort for strings
+
+        return sorted_dict
+
+
     def _handle_exif_file(self, do):
         if do == "read":
-            self.available_exif_data = self.u.read_yaml(self.exif_file)
+            file_dict = self.u.read_yaml(self.exif_file)
+            self.available_exif_data = self._sort_dict_of_lists(file_dict)
         elif do == "write":
             self.u.write_yaml(self.exif_file, self.available_exif_data)
 
@@ -165,6 +387,7 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
             "artist": self.ui.artist_comboBox,
             "copyright_info": self.ui.copyright_info_comboBox,
         }
+
         self._populate_comboboxes(combo_mapping)
 
     def _populate_comboboxes(self, combo_mapping):
@@ -181,13 +404,23 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
             # Hide all quality settings
             self.ui.png_quality_spinBox.setVisible(False)
             self.ui.jpg_quality_spinBox.setVisible(False)
+            self.ui.jpg_quality_Slider.setVisible(False)
+            self.ui.png_quality_Slider.setVisible(False)
+            self.ui.quality_label_1.setVisible(False)
+            self.ui.quality_label_2.setVisible(False)
             # Show relevant settings
             if selected_format == "jpg":
                 self.ui.jpg_quality_spinBox.setVisible(True)
+                self.ui.jpg_quality_Slider.setVisible(True)
+                self.ui.quality_label_1.setVisible(True)
             elif selected_format == "webp":
                 self.ui.jpg_quality_spinBox.setVisible(True)
+                self.ui.jpg_quality_Slider.setVisible(True)
+                self.ui.quality_label_1.setVisible(True)
             elif selected_format == "png":
                 self.ui.png_quality_spinBox.setVisible(True)
+                self.ui.png_quality_Slider.setVisible(True)
+                self.ui.quality_label_2.setVisible(True)
 
     def _browse_input_folder(self):
         folder = QFileDialog.getExistingDirectory(self, "Select Input Folder")
@@ -202,10 +435,6 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
     def _change_statusbar(self, msg, timeout = 500):
         self.ui.statusBar.showMessage(msg, timeout)
 
-    def _handle_qprogressbar(self, current, total):
-        progress = int((100 / total) * current)
-        self.ui.progressBar.setValue(progress)
-
     def _get_checkbox_value(self, checkbox, default=None):
         """Helper function to get the value of a checkbox or a default value."""
         return checkbox.isChecked() if checkbox else default
@@ -251,18 +480,20 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
         self.settings["own_date"] = self._get_checkbox_value(self.ui.add_date_checkBox)
 
         # Conditional settings with logic
-        self.settings["resize"] = self._get_spinbox_value(self.ui.resize_spinBox) if self.ui.resize_checkbox.isChecked() else None
+        self.settings["resize"] = int(self.ui.resize_spinBox.text()) if self.ui.resize_spinBox.text() != "100" else None
-        self.settings["brightness"] = self._get_spinbox_value(self.ui.brightness_spinBox) if self.ui.brightness_checkbox.isChecked() else None
+        self.settings["brightness"] = int(self.ui.brightness_spinBox.text()) if self.ui.brightness_spinBox.text() != "0" else None
-        self.settings["contrast"] = self._get_spinbox_value(self.ui.contrast_spinBox) if self.ui.contrast_checkbox.isChecked() else None
+        self.settings["contrast"] = int(self.ui.contrast_spinBox.text()) if self.ui.contrast_spinBox.text() != "0" else None
 
-        self.settings["new_file_names"] = self._get_text_value(self.ui.filename, False) if self.ui.rename_checkbox.isChecked() else False
+        new_name = self._get_text_value(self.ui.filename, False) if self.ui.rename_checkbox.isChecked() else False
-        self.settings["watermark"] = self._get_text_value(self.ui.watermark_lineEdit) if self.ui.watermark_checkbox.isChecked() else None
+        if isinstance(new_name, str): new_name = new_name.replace(" ", "_")
+        self.settings["new_file_names"] = new_name
+        self.settings["watermark"] = self.ui.watermark_lineEdit.text() if len(self.ui.watermark_lineEdit.text()) != 0 else None
 
         # Handle EXIF data selection
         if self.settings["own_exif"]:
-            self.user_selected_exif = self._get_selected_exif()
+            self.settings["user_selected_exif"] = self._get_selected_exif()
         else:
-            self.user_selected_exif = None
+            self.settings["user_selected_exif"] = None
             self.settings["gps"] = None
 
     def _get_date(self):
@@ -280,9 +511,27 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
         user_data["user_comment"] = self.ui.user_comment_comboBox.currentText()
         user_data["artist"] = self.ui.artist_comboBox.currentText()
         user_data["copyright_info"] = self.ui.copyright_info_comboBox.currentText()
-        user_data["software"] = f"{self.o.name} {self.o.version}"
+        user_data["software"] = f"{self.name} {self.version} with {self.o.name} {self.o.version}"
         return user_data
 
+    def closeEvent(self, event):
+        self.preview_window.close()
+
+    def check_version(self, min_version="0.6.6"):
+        # Mainly ChatGPT
+        from packaging import version  # Use `packaging` for robust version comparison
+
+        current_version = self.o.version
+        if version.parse(current_version) < version.parse(min_version):
+            msg = (
+                f"optima35 version {current_version} detected.\n"
+                f"Minimum required version is {min_version}.\n"
+                "Please update the core package to continue.\n"
+                "https://pypi.org/project/optima35/"
+            )
+            QMessageBox.critical(None, "Version Error", msg)
+            sys.exit(1)
+
 def main():
     app = QtWidgets.QApplication(sys.argv)
     window = OptimaLab35()

src/OptimaLab35/ui/exif_handler_window.py

@@ -69,7 +69,7 @@ class ExifEditor(QMainWindow):
             self.list_widget.addItem(new_item)
             self.line_edit.clear()
         else:
-            QMessageBox.warning(self, "Warning", "Cannot add an empty item.")
+            QMessageBox.warning(self, "Warning", f"Cannot add an empty item.\nDelete {self.exif_file}...")
 
     def delete_item(self):
         """Delete the selected item from the list."""

src/OptimaLab35/ui/main_window.py

@@ -20,18 +20,23 @@ from PySide6.QtWidgets import (QApplication, QCheckBox, QComboBox, QDateEdit,
     QFrame, QGridLayout, QGroupBox, QHBoxLayout,
     QLabel, QLineEdit, QMainWindow, QMenu,
     QMenuBar, QProgressBar, QPushButton, QSizePolicy,
-    QSpinBox, QStatusBar, QTabWidget, QVBoxLayout,
+    QSlider, QSpinBox, QStatusBar, QTabWidget,
-    QWidget)
+    QVBoxLayout, QWidget)
 
 class Ui_MainWindow(object):
     def setupUi(self, MainWindow):
         if not MainWindow.objectName():
             MainWindow.setObjectName(u"MainWindow")
-        MainWindow.resize(450, 708)
+        MainWindow.setWindowModality(Qt.NonModal)
+        MainWindow.resize(440, 756)
         MainWindow.setMinimumSize(QSize(350, 677))
-        MainWindow.setMaximumSize(QSize(500, 1000))
+        MainWindow.setMaximumSize(QSize(1000, 1000))
         self.actionInfo = QAction(MainWindow)
         self.actionInfo.setObjectName(u"actionInfo")
+        self.actionPreview = QAction(MainWindow)
+        self.actionPreview.setObjectName(u"actionPreview")
+        self.actionAbout = QAction(MainWindow)
+        self.actionAbout.setObjectName(u"actionAbout")
         self.centralwidget = QWidget(MainWindow)
         self.centralwidget.setObjectName(u"centralwidget")
         self.gridLayout = QGridLayout(self.centralwidget)
@@ -48,25 +53,28 @@ class Ui_MainWindow(object):
         self.folder_group.setMaximumSize(QSize(400, 16777215))
         self.gridLayout_5 = QGridLayout(self.folder_group)
         self.gridLayout_5.setObjectName(u"gridLayout_5")
+        self.input_folder_button = QPushButton(self.folder_group)
+        self.input_folder_button.setObjectName(u"input_folder_button")
+        self.input_folder_button.setMinimumSize(QSize(70, 0))
+        self.input_folder_button.setFlat(False)
+
+        self.gridLayout_5.addWidget(self.input_folder_button, 0, 1, 1, 1)
+
+        self.output_path = QLineEdit(self.folder_group)
+        self.output_path.setObjectName(u"output_path")
+
+        self.gridLayout_5.addWidget(self.output_path, 0, 2, 1, 1)
+
         self.input_path = QLineEdit(self.folder_group)
         self.input_path.setObjectName(u"input_path")
 
         self.gridLayout_5.addWidget(self.input_path, 0, 0, 1, 1)
 
-        self.output_path = QLineEdit(self.folder_group)
-        self.output_path.setObjectName(u"output_path")
-
-        self.gridLayout_5.addWidget(self.output_path, 0, 1, 1, 1)
-
-        self.input_folder_button = QPushButton(self.folder_group)
-        self.input_folder_button.setObjectName(u"input_folder_button")
-
-        self.gridLayout_5.addWidget(self.input_folder_button, 1, 0, 1, 1)
-
         self.output_folder_button = QPushButton(self.folder_group)
         self.output_folder_button.setObjectName(u"output_folder_button")
+        self.output_folder_button.setMinimumSize(QSize(70, 0))
 
-        self.gridLayout_5.addWidget(self.output_folder_button, 1, 1, 1, 1)
+        self.gridLayout_5.addWidget(self.output_folder_button, 0, 3, 1, 1)
 
 
         self.verticalLayout_10.addWidget(self.folder_group)
@@ -76,36 +84,38 @@ class Ui_MainWindow(object):
         self.groupBox.setMaximumSize(QSize(400, 16777215))
         self.gridLayout_4 = QGridLayout(self.groupBox)
         self.gridLayout_4.setObjectName(u"gridLayout_4")
-        self.resize_checkbox = QCheckBox(self.groupBox)
+        self.quality_label_2 = QLabel(self.groupBox)
-        self.resize_checkbox.setObjectName(u"resize_checkbox")
+        self.quality_label_2.setObjectName(u"quality_label_2")
 
-        self.gridLayout_4.addWidget(self.resize_checkbox, 0, 0, 1, 1)
+        self.gridLayout_4.addWidget(self.quality_label_2, 4, 0, 1, 1)
-
-        self.resize_spinBox = QSpinBox(self.groupBox)
-        self.resize_spinBox.setObjectName(u"resize_spinBox")
-        self.resize_spinBox.setEnabled(False)
-        self.resize_spinBox.setMinimum(1)
-        self.resize_spinBox.setMaximum(200)
-        self.resize_spinBox.setSingleStep(1)
-        self.resize_spinBox.setValue(80)
-
-        self.gridLayout_4.addWidget(self.resize_spinBox, 0, 1, 1, 1)
-
-        self.image_type = QComboBox(self.groupBox)
-        self.image_type.addItem(u"jpg")
-        self.image_type.addItem(u"png")
-        self.image_type.addItem(u"webp")
-        self.image_type.setObjectName(u"image_type")
-
-        self.gridLayout_4.addWidget(self.image_type, 1, 0, 1, 1)
 
         self.jpg_quality_spinBox = QSpinBox(self.groupBox)
         self.jpg_quality_spinBox.setObjectName(u"jpg_quality_spinBox")
         self.jpg_quality_spinBox.setMinimum(1)
         self.jpg_quality_spinBox.setMaximum(100)
-        self.jpg_quality_spinBox.setValue(80)
+        self.jpg_quality_spinBox.setValue(90)
 
-        self.gridLayout_4.addWidget(self.jpg_quality_spinBox, 1, 1, 1, 1)
+        self.gridLayout_4.addWidget(self.jpg_quality_spinBox, 3, 3, 1, 1)
+
+        self.label_11 = QLabel(self.groupBox)
+        self.label_11.setObjectName(u"label_11")
+
+        self.gridLayout_4.addWidget(self.label_11, 0, 0, 1, 1)
+
+        self.optimize_checkBox = QCheckBox(self.groupBox)
+        self.optimize_checkBox.setObjectName(u"optimize_checkBox")
+
+        self.gridLayout_4.addWidget(self.optimize_checkBox, 0, 3, 1, 1)
+
+        self.png_quality_Slider = QSlider(self.groupBox)
+        self.png_quality_Slider.setObjectName(u"png_quality_Slider")
+        self.png_quality_Slider.setMinimum(1)
+        self.png_quality_Slider.setMaximum(9)
+        self.png_quality_Slider.setPageStep(1)
+        self.png_quality_Slider.setSliderPosition(6)
+        self.png_quality_Slider.setOrientation(Qt.Horizontal)
+
+        self.gridLayout_4.addWidget(self.png_quality_Slider, 4, 2, 1, 1)
 
         self.png_quality_spinBox = QSpinBox(self.groupBox)
         self.png_quality_spinBox.setObjectName(u"png_quality_spinBox")
@@ -114,72 +124,140 @@ class Ui_MainWindow(object):
         self.png_quality_spinBox.setMaximum(9)
         self.png_quality_spinBox.setValue(6)
 
-        self.gridLayout_4.addWidget(self.png_quality_spinBox, 1, 2, 1, 1)
+        self.gridLayout_4.addWidget(self.png_quality_spinBox, 4, 3, 1, 1)
 
-        self.optimize_checkBox = QCheckBox(self.groupBox)
+        self.quality_label_1 = QLabel(self.groupBox)
-        self.optimize_checkBox.setObjectName(u"optimize_checkBox")
+        self.quality_label_1.setObjectName(u"quality_label_1")
 
-        self.gridLayout_4.addWidget(self.optimize_checkBox, 0, 2, 1, 1)
+        self.gridLayout_4.addWidget(self.quality_label_1, 3, 0, 1, 1)
+
+        self.image_type = QComboBox(self.groupBox)
+        self.image_type.addItem(u"jpg")
+        self.image_type.addItem(u"png")
+        self.image_type.addItem(u"webp")
+        self.image_type.setObjectName(u"image_type")
+
+        self.gridLayout_4.addWidget(self.image_type, 0, 2, 1, 1)
+
+        self.jpg_quality_Slider = QSlider(self.groupBox)
+        self.jpg_quality_Slider.setObjectName(u"jpg_quality_Slider")
+        self.jpg_quality_Slider.setMinimum(1)
+        self.jpg_quality_Slider.setMaximum(100)
+        self.jpg_quality_Slider.setSliderPosition(90)
+        self.jpg_quality_Slider.setOrientation(Qt.Horizontal)
+
+        self.gridLayout_4.addWidget(self.jpg_quality_Slider, 3, 2, 1, 1)
+
+        self.label_13 = QLabel(self.groupBox)
+        self.label_13.setObjectName(u"label_13")
+
+        self.gridLayout_4.addWidget(self.label_13, 5, 0, 1, 1)
+
+        self.resize_Slider = QSlider(self.groupBox)
+        self.resize_Slider.setObjectName(u"resize_Slider")
+        self.resize_Slider.setMinimum(1)
+        self.resize_Slider.setMaximum(200)
+        self.resize_Slider.setValue(100)
+        self.resize_Slider.setOrientation(Qt.Horizontal)
+
+        self.gridLayout_4.addWidget(self.resize_Slider, 5, 2, 1, 1)
+
+        self.resize_spinBox = QSpinBox(self.groupBox)
+        self.resize_spinBox.setObjectName(u"resize_spinBox")
+        self.resize_spinBox.setEnabled(True)
+        self.resize_spinBox.setMinimum(1)
+        self.resize_spinBox.setMaximum(200)
+        self.resize_spinBox.setSingleStep(1)
+        self.resize_spinBox.setValue(100)
+
+        self.gridLayout_4.addWidget(self.resize_spinBox, 5, 3, 1, 1)
 
-        self.png_quality_spinBox.raise_()
-        self.resize_checkbox.raise_()
-        self.resize_spinBox.raise_()
-        self.image_type.raise_()
-        self.jpg_quality_spinBox.raise_()
-        self.optimize_checkBox.raise_()
 
         self.verticalLayout_10.addWidget(self.groupBox)
 
         self.groupBox_2 = QGroupBox(self.tab_1)
         self.groupBox_2.setObjectName(u"groupBox_2")
         self.groupBox_2.setMaximumSize(QSize(400, 16777215))
+        self.groupBox_2.setMouseTracking(False)
         self.gridLayout_3 = QGridLayout(self.groupBox_2)
         self.gridLayout_3.setObjectName(u"gridLayout_3")
-        self.watermark_lineEdit = QLineEdit(self.groupBox_2)
+        self.label_9 = QLabel(self.groupBox_2)
-        self.watermark_lineEdit.setObjectName(u"watermark_lineEdit")
+        self.label_9.setObjectName(u"label_9")
-        self.watermark_lineEdit.setEnabled(False)
 
-        self.gridLayout_3.addWidget(self.watermark_lineEdit, 3, 0, 1, 3)
+        self.gridLayout_3.addWidget(self.label_9, 1, 0, 1, 1)
 
-        self.brightness_checkbox = QCheckBox(self.groupBox_2)
+        self.brightness_horizontalSlider = QSlider(self.groupBox_2)
-        self.brightness_checkbox.setObjectName(u"brightness_checkbox")
+        self.brightness_horizontalSlider.setObjectName(u"brightness_horizontalSlider")
+        self.brightness_horizontalSlider.setMinimum(-100)
+        self.brightness_horizontalSlider.setMaximum(100)
+        self.brightness_horizontalSlider.setOrientation(Qt.Horizontal)
 
-        self.gridLayout_3.addWidget(self.brightness_checkbox, 0, 0, 1, 1)
+        self.gridLayout_3.addWidget(self.brightness_horizontalSlider, 1, 1, 1, 1)
+
+        self.brightness_spinBox = QSpinBox(self.groupBox_2)
+        self.brightness_spinBox.setObjectName(u"brightness_spinBox")
+        self.brightness_spinBox.setEnabled(True)
+        self.brightness_spinBox.setMinimum(-100)
+        self.brightness_spinBox.setMaximum(100)
+        self.brightness_spinBox.setValue(0)
+
+        self.gridLayout_3.addWidget(self.brightness_spinBox, 1, 2, 1, 1)
+
+        self.contrast_spinBox = QSpinBox(self.groupBox_2)
+        self.contrast_spinBox.setObjectName(u"contrast_spinBox")
+        self.contrast_spinBox.setEnabled(True)
+        self.contrast_spinBox.setMinimum(-100)
+        self.contrast_spinBox.setMaximum(100)
+        self.contrast_spinBox.setValue(0)
+
+        self.gridLayout_3.addWidget(self.contrast_spinBox, 4, 2, 1, 1)
+
+        self.label_10 = QLabel(self.groupBox_2)
+        self.label_10.setObjectName(u"label_10")
+
+        self.gridLayout_3.addWidget(self.label_10, 4, 0, 1, 1)
+
+        self.contrast_horizontalSlider = QSlider(self.groupBox_2)
+        self.contrast_horizontalSlider.setObjectName(u"contrast_horizontalSlider")
+        self.contrast_horizontalSlider.setMinimum(-100)
+        self.contrast_horizontalSlider.setMaximum(100)
+        self.contrast_horizontalSlider.setOrientation(Qt.Horizontal)
+
+        self.gridLayout_3.addWidget(self.contrast_horizontalSlider, 4, 1, 1, 1)
 
         self.grayscale_checkBox = QCheckBox(self.groupBox_2)
         self.grayscale_checkBox.setObjectName(u"grayscale_checkBox")
 
-        self.gridLayout_3.addWidget(self.grayscale_checkBox, 0, 2, 1, 1)
+        self.gridLayout_3.addWidget(self.grayscale_checkBox, 5, 0, 1, 2)
 
-        self.contrast_spinBox = QSpinBox(self.groupBox_2)
+        self.preview_Button = QPushButton(self.groupBox_2)
-        self.contrast_spinBox.setObjectName(u"contrast_spinBox")
+        self.preview_Button.setObjectName(u"preview_Button")
-        self.contrast_spinBox.setEnabled(False)
-        self.contrast_spinBox.setMinimum(-100)
-        self.contrast_spinBox.setMaximum(100)
-        self.contrast_spinBox.setValue(10)
 
-        self.gridLayout_3.addWidget(self.contrast_spinBox, 1, 1, 1, 1)
+        self.gridLayout_3.addWidget(self.preview_Button, 5, 2, 1, 1)
 
-        self.watermark_checkbox = QCheckBox(self.groupBox_2)
-        self.watermark_checkbox.setObjectName(u"watermark_checkbox")
 
-        self.gridLayout_3.addWidget(self.watermark_checkbox, 2, 0, 1, 1)
+        self.verticalLayout_10.addWidget(self.groupBox_2)
 
-        self.brightness_spinBox = QSpinBox(self.groupBox_2)
+        self.groupBox_3 = QGroupBox(self.tab_1)
-        self.brightness_spinBox.setObjectName(u"brightness_spinBox")
+        self.groupBox_3.setObjectName(u"groupBox_3")
-        self.brightness_spinBox.setEnabled(False)
+        self.groupBox_3.setEnabled(True)
-        self.brightness_spinBox.setMinimum(-100)
+        self.groupBox_3.setFlat(False)
-        self.brightness_spinBox.setMaximum(100)
+        self.groupBox_3.setCheckable(False)
-        self.brightness_spinBox.setValue(-10)
+        self.groupBox_3.setChecked(False)
+        self.horizontalLayout_5 = QHBoxLayout(self.groupBox_3)
+        self.horizontalLayout_5.setObjectName(u"horizontalLayout_5")
+        self.watermark_lineEdit = QLineEdit(self.groupBox_3)
+        self.watermark_lineEdit.setObjectName(u"watermark_lineEdit")
+        self.watermark_lineEdit.setEnabled(True)
 
-        self.gridLayout_3.addWidget(self.brightness_spinBox, 0, 1, 1, 1)
+        self.horizontalLayout_5.addWidget(self.watermark_lineEdit)
 
-        self.contrast_checkbox = QCheckBox(self.groupBox_2)
+        self.label_12 = QLabel(self.groupBox_3)
-        self.contrast_checkbox.setObjectName(u"contrast_checkbox")
+        self.label_12.setObjectName(u"label_12")
 
-        self.gridLayout_3.addWidget(self.contrast_checkbox, 1, 0, 1, 1)
+        self.horizontalLayout_5.addWidget(self.label_12)
 
-        self.font_size_comboBox = QComboBox(self.groupBox_2)
+        self.font_size_comboBox = QComboBox(self.groupBox_3)
         self.font_size_comboBox.addItem("")
         self.font_size_comboBox.addItem("")
         self.font_size_comboBox.addItem("")
@@ -187,10 +265,10 @@ class Ui_MainWindow(object):
         self.font_size_comboBox.addItem("")
         self.font_size_comboBox.setObjectName(u"font_size_comboBox")
 
-        self.gridLayout_3.addWidget(self.font_size_comboBox, 2, 1, 1, 1)
+        self.horizontalLayout_5.addWidget(self.font_size_comboBox)
 
 
-        self.verticalLayout_10.addWidget(self.groupBox_2)
+        self.verticalLayout_10.addWidget(self.groupBox_3)
 
         self.rename_group = QGroupBox(self.tab_1)
         self.rename_group.setObjectName(u"rename_group")
@@ -234,6 +312,12 @@ class Ui_MainWindow(object):
 
         self.horizontalLayout_3.addWidget(self.start_button)
 
+        self.insert_exif_Button = QPushButton(self.widget_9)
+        self.insert_exif_Button.setObjectName(u"insert_exif_Button")
+        self.insert_exif_Button.setEnabled(False)
+
+        self.horizontalLayout_3.addWidget(self.insert_exif_Button)
+
 
         self.verticalLayout_10.addWidget(self.widget_9)
 
@@ -465,29 +549,41 @@ class Ui_MainWindow(object):
         MainWindow.setStatusBar(self.statusBar)
         self.menuBar = QMenuBar(MainWindow)
         self.menuBar.setObjectName(u"menuBar")
-        self.menuBar.setGeometry(QRect(0, 0, 450, 27))
+        self.menuBar.setGeometry(QRect(0, 0, 440, 27))
-        self.menuInfo = QMenu(self.menuBar)
+        self.menuSettings = QMenu(self.menuBar)
-        self.menuInfo.setObjectName(u"menuInfo")
+        self.menuSettings.setObjectName(u"menuSettings")
+        self.menuHelp = QMenu(self.menuBar)
+        self.menuHelp.setObjectName(u"menuHelp")
         MainWindow.setMenuBar(self.menuBar)
 
-        self.menuBar.addAction(self.menuInfo.menuAction())
+        self.menuBar.addAction(self.menuSettings.menuAction())
-        self.menuInfo.addAction(self.actionInfo)
+        self.menuBar.addAction(self.menuHelp.menuAction())
+        self.menuSettings.addAction(self.actionPreview)
+        self.menuHelp.addAction(self.actionAbout)
 
         self.retranslateUi(MainWindow)
-        self.resize_checkbox.toggled.connect(self.resize_spinBox.setEnabled)
-        self.brightness_checkbox.toggled.connect(self.brightness_spinBox.setEnabled)
-        self.contrast_checkbox.toggled.connect(self.contrast_spinBox.setEnabled)
-        self.watermark_checkbox.toggled.connect(self.watermark_lineEdit.setEnabled)
         self.rename_checkbox.toggled.connect(self.filename.setEnabled)
         self.exif_checkbox.toggled.connect(self.exif_options_group.setEnabled)
-        self.exif_checkbox.toggled.connect(self.exif_copy_checkBox.setDisabled)
+        self.jpg_quality_Slider.valueChanged.connect(self.jpg_quality_spinBox.setValue)
         self.exif_copy_checkBox.toggled.connect(self.exif_checkbox.setDisabled)
+        self.exif_checkbox.toggled.connect(self.exif_copy_checkBox.setDisabled)
+        self.resize_spinBox.valueChanged.connect(self.resize_Slider.setValue)
+        self.png_quality_spinBox.valueChanged.connect(self.png_quality_Slider.setValue)
+        self.contrast_horizontalSlider.valueChanged.connect(self.contrast_spinBox.setValue)
+        self.resize_Slider.valueChanged.connect(self.resize_spinBox.setValue)
+        self.brightness_horizontalSlider.valueChanged.connect(self.brightness_spinBox.setValue)
+        self.exif_checkbox.toggled.connect(self.date_groupBox.setEnabled)
+        self.png_quality_Slider.valueChanged.connect(self.png_quality_spinBox.setValue)
+        self.gps_checkBox.toggled.connect(self.lat_lineEdit.setEnabled)
+        self.exif_checkbox.toggled.connect(self.insert_exif_Button.setEnabled)
+        self.gps_checkBox.toggled.connect(self.long_lineEdit.setEnabled)
+        self.brightness_spinBox.valueChanged.connect(self.brightness_horizontalSlider.setValue)
+        self.resize_Slider.valueChanged.connect(self.resize_spinBox.setValue)
+        self.exif_checkbox.toggled.connect(self.gps_groupBox.setEnabled)
+        self.contrast_spinBox.valueChanged.connect(self.contrast_horizontalSlider.setValue)
         self.exif_checkbox.toggled.connect(self.edit_exif_button.setEnabled)
         self.add_date_checkBox.toggled.connect(self.dateEdit.setEnabled)
-        self.exif_checkbox.toggled.connect(self.date_groupBox.setEnabled)
+        self.jpg_quality_spinBox.valueChanged.connect(self.jpg_quality_Slider.setValue)
-        self.exif_checkbox.toggled.connect(self.gps_groupBox.setEnabled)
-        self.gps_checkBox.toggled.connect(self.lat_lineEdit.setEnabled)
-        self.gps_checkBox.toggled.connect(self.long_lineEdit.setEnabled)
 
         self.tabWidget.setCurrentIndex(0)
         self.font_size_comboBox.setCurrentIndex(2)
@@ -497,25 +593,32 @@ class Ui_MainWindow(object):
     # setupUi
 
     def retranslateUi(self, MainWindow):
-        MainWindow.setWindowTitle(QCoreApplication.translate("MainWindow", u"OPTIMA-35", None))
+        MainWindow.setWindowTitle(QCoreApplication.translate("MainWindow", u"OptimaLab35", None))
-        self.actionInfo.setText(QCoreApplication.translate("MainWindow", u"Info", None))
+        self.actionInfo.setText(QCoreApplication.translate("MainWindow", u"About", None))
-        self.input_path.setText("")
+        self.actionPreview.setText(QCoreApplication.translate("MainWindow", u"Preview image", None))
-        self.input_path.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Enter input folder", None))
+        self.actionAbout.setText(QCoreApplication.translate("MainWindow", u"About", None))
+        self.input_folder_button.setText(QCoreApplication.translate("MainWindow", u"Input", None))
         self.output_path.setText("")
-        self.output_path.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Enter output folder", None))
+        self.output_path.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Output folder", None))
-        self.input_folder_button.setText(QCoreApplication.translate("MainWindow", u"input", None))
+        self.input_path.setText("")
-        self.output_folder_button.setText(QCoreApplication.translate("MainWindow", u"output", None))
+        self.input_path.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Input folder", None))
+        self.output_folder_button.setText(QCoreApplication.translate("MainWindow", u"Output", None))
         self.groupBox.setTitle(QCoreApplication.translate("MainWindow", u"Essential group", None))
-        self.resize_checkbox.setText(QCoreApplication.translate("MainWindow", u"Resize", None))
+        self.quality_label_2.setText(QCoreApplication.translate("MainWindow", u"Quality", None))
-
+        self.label_11.setText(QCoreApplication.translate("MainWindow", u"Export Format", None))
         self.optimize_checkBox.setText(QCoreApplication.translate("MainWindow", u"optimize", None))
+        self.quality_label_1.setText(QCoreApplication.translate("MainWindow", u"Quality", None))
+
+        self.label_13.setText(QCoreApplication.translate("MainWindow", u"Resize", None))
         self.groupBox_2.setTitle(QCoreApplication.translate("MainWindow", u"Extra stuff", None))
+        self.label_9.setText(QCoreApplication.translate("MainWindow", u"Brightness", None))
+        self.label_10.setText(QCoreApplication.translate("MainWindow", u"Contrast", None))
+        self.grayscale_checkBox.setText(QCoreApplication.translate("MainWindow", u"Turn image to Black and White", None))
+        self.preview_Button.setText(QCoreApplication.translate("MainWindow", u"Preview", None))
+        self.groupBox_3.setTitle(QCoreApplication.translate("MainWindow", u"Watermark", None))
         self.watermark_lineEdit.setText("")
         self.watermark_lineEdit.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Enter Watermark", None))
-        self.brightness_checkbox.setText(QCoreApplication.translate("MainWindow", u"Brightness", None))
+        self.label_12.setText(QCoreApplication.translate("MainWindow", u"Size", None))
-        self.grayscale_checkBox.setText(QCoreApplication.translate("MainWindow", u"Grayscale", None))
-        self.watermark_checkbox.setText(QCoreApplication.translate("MainWindow", u"Watermark", None))
-        self.contrast_checkbox.setText(QCoreApplication.translate("MainWindow", u"Contrast", None))
         self.font_size_comboBox.setItemText(0, QCoreApplication.translate("MainWindow", u"Tiny", None))
         self.font_size_comboBox.setItemText(1, QCoreApplication.translate("MainWindow", u"Small", None))
         self.font_size_comboBox.setItemText(2, QCoreApplication.translate("MainWindow", u"Normal", None))
@@ -529,11 +632,12 @@ class Ui_MainWindow(object):
         self.filename.setText("")
         self.filename.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Enter file name", None))
         self.start_button.setText(QCoreApplication.translate("MainWindow", u"Convert", None))
+        self.insert_exif_Button.setText(QCoreApplication.translate("MainWindow", u"Insert Exif", None))
         self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_1), QCoreApplication.translate("MainWindow", u"Main", None))
         self.exif_group.setTitle(QCoreApplication.translate("MainWindow", u"EXIF EXPERIMENTAL", None))
         self.exif_checkbox.setText(QCoreApplication.translate("MainWindow", u"own exif", None))
         self.exif_copy_checkBox.setText(QCoreApplication.translate("MainWindow", u"copy exif", None))
-        self.edit_exif_button.setText(QCoreApplication.translate("MainWindow", u"edit exif", None))
+        self.edit_exif_button.setText(QCoreApplication.translate("MainWindow", u"Edit Exif", None))
         self.exif_options_group.setTitle(QCoreApplication.translate("MainWindow", u"Must", None))
         self.label_7.setText(QCoreApplication.translate("MainWindow", u"Artist", None))
         self.label_4.setText(QCoreApplication.translate("MainWindow", u"ISO", None))
@@ -554,6 +658,7 @@ class Ui_MainWindow(object):
         self.date_groupBox.setTitle(QCoreApplication.translate("MainWindow", u"Optional", None))
         self.add_date_checkBox.setText(QCoreApplication.translate("MainWindow", u"add date", None))
         self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_2), QCoreApplication.translate("MainWindow", u"EXIF", None))
-        self.menuInfo.setTitle(QCoreApplication.translate("MainWindow", u"Info", None))
+        self.menuSettings.setTitle(QCoreApplication.translate("MainWindow", u"Settings", None))
+        self.menuHelp.setTitle(QCoreApplication.translate("MainWindow", u"Help", None))
     # retranslateUi
 

src/OptimaLab35/ui/main_window.ui

@@ -2,12 +2,15 @@
 <ui version="4.0">
  <class>MainWindow</class>
  <widget class="QMainWindow" name="MainWindow">
+  <property name="windowModality">
+   <enum>Qt::NonModal</enum>
+  </property>
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>450</width>
+    <width>440</width>
-    <height>708</height>
+    <height>756</height>
    </rect>
   </property>
   <property name="minimumSize">
@@ -18,12 +21,12 @@
   </property>
   <property name="maximumSize">
    <size>
-    <width>500</width>
+    <width>1000</width>
     <height>1000</height>
    </size>
   </property>
   <property name="windowTitle">
-   <string>OPTIMA-35</string>
+   <string>OptimaLab35</string>
   </property>
   <widget class="QWidget" name="centralwidget">
    <layout class="QGridLayout" name="gridLayout">
@@ -52,37 +55,52 @@
            </size>
           </property>
           <layout class="QGridLayout" name="gridLayout_5">
+           <item row="0" column="1">
+            <widget class="QPushButton" name="input_folder_button">
+             <property name="minimumSize">
+              <size>
+               <width>70</width>
+               <height>0</height>
+              </size>
+             </property>
+             <property name="text">
+              <string extracomment="Comment?">Input</string>
+             </property>
+             <property name="flat">
+              <bool>false</bool>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="2">
+            <widget class="QLineEdit" name="output_path">
+             <property name="text">
+              <string/>
+             </property>
+             <property name="placeholderText">
+              <string>Output folder</string>
+             </property>
+            </widget>
+           </item>
            <item row="0" column="0">
             <widget class="QLineEdit" name="input_path">
              <property name="text">
               <string/>
              </property>
              <property name="placeholderText">
-              <string>Enter input folder</string>
+              <string>Input folder</string>
              </property>
             </widget>
            </item>
-           <item row="0" column="1">
+           <item row="0" column="3">
-            <widget class="QLineEdit" name="output_path">
-             <property name="text">
-              <string/>
-             </property>
-             <property name="placeholderText">
-              <string>Enter output folder</string>
-             </property>
-            </widget>
-           </item>
-           <item row="1" column="0">
-            <widget class="QPushButton" name="input_folder_button">
-             <property name="text">
-              <string>input</string>
-             </property>
-            </widget>
-           </item>
-           <item row="1" column="1">
             <widget class="QPushButton" name="output_folder_button">
+             <property name="minimumSize">
+              <size>
+               <width>70</width>
+               <height>0</height>
+              </size>
+             </property>
              <property name="text">
-              <string>output</string>
+              <string>Output</string>
              </property>
             </widget>
            </item>
@@ -101,33 +119,83 @@
            <string>Essential group</string>
           </property>
           <layout class="QGridLayout" name="gridLayout_4">
-           <item row="0" column="0">
+           <item row="4" column="0">
-            <widget class="QCheckBox" name="resize_checkbox">
+            <widget class="QLabel" name="quality_label_2">
              <property name="text">
-              <string>Resize</string>
+              <string>Quality</string>
              </property>
             </widget>
            </item>
-           <item row="0" column="1">
+           <item row="3" column="3">
-            <widget class="QSpinBox" name="resize_spinBox">
+            <widget class="QSpinBox" name="jpg_quality_spinBox">
+             <property name="minimum">
+              <number>1</number>
+             </property>
+             <property name="maximum">
+              <number>100</number>
+             </property>
+             <property name="value">
+              <number>90</number>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="0">
+            <widget class="QLabel" name="label_11">
+             <property name="text">
+              <string>Export Format</string>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="3">
+            <widget class="QCheckBox" name="optimize_checkBox">
+             <property name="text">
+              <string>optimize</string>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="2">
+            <widget class="QSlider" name="png_quality_Slider">
+             <property name="minimum">
+              <number>1</number>
+             </property>
+             <property name="maximum">
+              <number>9</number>
+             </property>
+             <property name="pageStep">
+              <number>1</number>
+             </property>
+             <property name="sliderPosition">
+              <number>6</number>
+             </property>
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="3">
+            <widget class="QSpinBox" name="png_quality_spinBox">
              <property name="enabled">
-              <bool>false</bool>
+              <bool>true</bool>
              </property>
              <property name="minimum">
               <number>1</number>
              </property>
              <property name="maximum">
-              <number>200</number>
+              <number>9</number>
-             </property>
-             <property name="singleStep">
-              <number>1</number>
              </property>
              <property name="value">
-              <number>80</number>
+              <number>6</number>
              </property>
             </widget>
            </item>
-           <item row="1" column="0">
+           <item row="3" column="0">
+            <widget class="QLabel" name="quality_label_1">
+             <property name="text">
+              <string>Quality</string>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="2">
             <widget class="QComboBox" name="image_type">
              <item>
               <property name="text">
@@ -146,21 +214,47 @@
              </item>
             </widget>
            </item>
-           <item row="1" column="1">
+           <item row="3" column="2">
-            <widget class="QSpinBox" name="jpg_quality_spinBox">
+            <widget class="QSlider" name="jpg_quality_Slider">
              <property name="minimum">
               <number>1</number>
              </property>
              <property name="maximum">
               <number>100</number>
              </property>
-             <property name="value">
+             <property name="sliderPosition">
-              <number>80</number>
+              <number>90</number>
+             </property>
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
              </property>
             </widget>
            </item>
-           <item row="1" column="2">
+           <item row="5" column="0">
-            <widget class="QSpinBox" name="png_quality_spinBox">
+            <widget class="QLabel" name="label_13">
+             <property name="text">
+              <string>Resize</string>
+             </property>
+            </widget>
+           </item>
+           <item row="5" column="2">
+            <widget class="QSlider" name="resize_Slider">
+             <property name="minimum">
+              <number>1</number>
+             </property>
+             <property name="maximum">
+              <number>200</number>
+             </property>
+             <property name="value">
+              <number>100</number>
+             </property>
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+            </widget>
+           </item>
+           <item row="5" column="3">
+            <widget class="QSpinBox" name="resize_spinBox">
              <property name="enabled">
               <bool>true</bool>
              </property>
@@ -168,27 +262,17 @@
               <number>1</number>
              </property>
              <property name="maximum">
-              <number>9</number>
+              <number>200</number>
+             </property>
+             <property name="singleStep">
+              <number>1</number>
              </property>
              <property name="value">
-              <number>6</number>
+              <number>100</number>
-             </property>
-            </widget>
-           </item>
-           <item row="0" column="2">
-            <widget class="QCheckBox" name="optimize_checkBox">
-             <property name="text">
-              <string>optimize</string>
              </property>
             </widget>
            </item>
           </layout>
-          <zorder>png_quality_spinBox</zorder>
-          <zorder>resize_checkbox</zorder>
-          <zorder>resize_spinBox</zorder>
-          <zorder>image_type</zorder>
-          <zorder>jpg_quality_spinBox</zorder>
-          <zorder>optimize_checkBox</zorder>
          </widget>
         </item>
         <item>
@@ -199,14 +283,124 @@
             <height>16777215</height>
            </size>
           </property>
+          <property name="mouseTracking">
+           <bool>false</bool>
+          </property>
           <property name="title">
            <string>Extra stuff</string>
           </property>
           <layout class="QGridLayout" name="gridLayout_3">
-           <item row="3" column="0" colspan="3">
+           <item row="1" column="0">
+            <widget class="QLabel" name="label_9">
+             <property name="text">
+              <string>Brightness</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="1">
+            <widget class="QSlider" name="brightness_horizontalSlider">
+             <property name="minimum">
+              <number>-100</number>
+             </property>
+             <property name="maximum">
+              <number>100</number>
+             </property>
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="2">
+            <widget class="QSpinBox" name="brightness_spinBox">
+             <property name="enabled">
+              <bool>true</bool>
+             </property>
+             <property name="minimum">
+              <number>-100</number>
+             </property>
+             <property name="maximum">
+              <number>100</number>
+             </property>
+             <property name="value">
+              <number>0</number>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="2">
+            <widget class="QSpinBox" name="contrast_spinBox">
+             <property name="enabled">
+              <bool>true</bool>
+             </property>
+             <property name="minimum">
+              <number>-100</number>
+             </property>
+             <property name="maximum">
+              <number>100</number>
+             </property>
+             <property name="value">
+              <number>0</number>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="0">
+            <widget class="QLabel" name="label_10">
+             <property name="text">
+              <string>Contrast</string>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="1">
+            <widget class="QSlider" name="contrast_horizontalSlider">
+             <property name="minimum">
+              <number>-100</number>
+             </property>
+             <property name="maximum">
+              <number>100</number>
+             </property>
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+            </widget>
+           </item>
+           <item row="5" column="0" colspan="2">
+            <widget class="QCheckBox" name="grayscale_checkBox">
+             <property name="text">
+              <string>Turn image to Black and White</string>
+             </property>
+            </widget>
+           </item>
+           <item row="5" column="2">
+            <widget class="QPushButton" name="preview_Button">
+             <property name="text">
+              <string>Preview</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </widget>
+        </item>
+        <item>
+         <widget class="QGroupBox" name="groupBox_3">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="title">
+           <string>Watermark</string>
+          </property>
+          <property name="flat">
+           <bool>false</bool>
+          </property>
+          <property name="checkable">
+           <bool>false</bool>
+          </property>
+          <property name="checked">
+           <bool>false</bool>
+          </property>
+          <layout class="QHBoxLayout" name="horizontalLayout_5">
+           <item>
             <widget class="QLineEdit" name="watermark_lineEdit">
              <property name="enabled">
-              <bool>false</bool>
+              <bool>true</bool>
              </property>
              <property name="text">
               <string/>
@@ -216,67 +410,14 @@
              </property>
             </widget>
            </item>
-           <item row="0" column="0">
+           <item>
-            <widget class="QCheckBox" name="brightness_checkbox">
+            <widget class="QLabel" name="label_12">
              <property name="text">
-              <string>Brightness</string>
+              <string>Size</string>
              </property>
             </widget>
            </item>
-           <item row="0" column="2">
+           <item>
-            <widget class="QCheckBox" name="grayscale_checkBox">
-             <property name="text">
-              <string>Grayscale</string>
-             </property>
-            </widget>
-           </item>
-           <item row="1" column="1">
-            <widget class="QSpinBox" name="contrast_spinBox">
-             <property name="enabled">
-              <bool>false</bool>
-             </property>
-             <property name="minimum">
-              <number>-100</number>
-             </property>
-             <property name="maximum">
-              <number>100</number>
-             </property>
-             <property name="value">
-              <number>10</number>
-             </property>
-            </widget>
-           </item>
-           <item row="2" column="0">
-            <widget class="QCheckBox" name="watermark_checkbox">
-             <property name="text">
-              <string>Watermark</string>
-             </property>
-            </widget>
-           </item>
-           <item row="0" column="1">
-            <widget class="QSpinBox" name="brightness_spinBox">
-             <property name="enabled">
-              <bool>false</bool>
-             </property>
-             <property name="minimum">
-              <number>-100</number>
-             </property>
-             <property name="maximum">
-              <number>100</number>
-             </property>
-             <property name="value">
-              <number>-10</number>
-             </property>
-            </widget>
-           </item>
-           <item row="1" column="0">
-            <widget class="QCheckBox" name="contrast_checkbox">
-             <property name="text">
-              <string>Contrast</string>
-             </property>
-            </widget>
-           </item>
-           <item row="2" column="1">
             <widget class="QComboBox" name="font_size_comboBox">
              <property name="currentText">
               <string>Normal</string>
@@ -385,6 +526,16 @@
              </property>
             </widget>
            </item>
+           <item>
+            <widget class="QPushButton" name="insert_exif_Button">
+             <property name="enabled">
+              <bool>false</bool>
+             </property>
+             <property name="text">
+              <string>Insert Exif</string>
+             </property>
+            </widget>
+           </item>
           </layout>
          </widget>
         </item>
@@ -424,7 +575,7 @@
               <bool>false</bool>
              </property>
              <property name="text">
-              <string>edit exif</string>
+              <string>Edit Exif</string>
              </property>
             </widget>
            </item>
@@ -671,90 +822,43 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>450</width>
+     <width>440</width>
      <height>27</height>
     </rect>
    </property>
-   <widget class="QMenu" name="menuInfo">
+   <widget class="QMenu" name="menuSettings">
     <property name="title">
-     <string>Info</string>
+     <string>Settings</string>
     </property>
-    <addaction name="actionInfo"/>
+    <addaction name="actionPreview"/>
    </widget>
-   <addaction name="menuInfo"/>
+   <widget class="QMenu" name="menuHelp">
+    <property name="title">
+     <string>Help</string>
+    </property>
+    <addaction name="actionAbout"/>
+   </widget>
+   <addaction name="menuSettings"/>
+   <addaction name="menuHelp"/>
   </widget>
   <action name="actionInfo">
    <property name="text">
-    <string>Info</string>
+    <string>About</string>
+   </property>
+  </action>
+  <action name="actionPreview">
+   <property name="text">
+    <string>Preview image</string>
+   </property>
+  </action>
+  <action name="actionAbout">
+   <property name="text">
+    <string>About</string>
    </property>
   </action>
  </widget>
  <resources/>
  <connections>
-  <connection>
-   <sender>resize_checkbox</sender>
-   <signal>toggled(bool)</signal>
-   <receiver>resize_spinBox</receiver>
-   <slot>setEnabled(bool)</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>75</x>
-     <y>96</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>196</x>
-     <y>118</y>
-    </hint>
-   </hints>
-  </connection>
-  <connection>
-   <sender>brightness_checkbox</sender>
-   <signal>toggled(bool)</signal>
-   <receiver>brightness_spinBox</receiver>
-   <slot>setEnabled(bool)</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>83</x>
-     <y>363</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>83</x>
-     <y>399</y>
-    </hint>
-   </hints>
-  </connection>
-  <connection>
-   <sender>contrast_checkbox</sender>
-   <signal>toggled(bool)</signal>
-   <receiver>contrast_spinBox</receiver>
-   <slot>setEnabled(bool)</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>185</x>
-     <y>363</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>185</x>
-     <y>399</y>
-    </hint>
-   </hints>
-  </connection>
-  <connection>
-   <sender>watermark_checkbox</sender>
-   <signal>toggled(bool)</signal>
-   <receiver>watermark_lineEdit</receiver>
-   <slot>setEnabled(bool)</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>83</x>
-     <y>435</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>237</x>
-     <y>435</y>
-    </hint>
-   </hints>
-  </connection>
   <connection>
    <sender>rename_checkbox</sender>
    <signal>toggled(bool)</signal>
@@ -788,18 +892,18 @@
    </hints>
   </connection>
   <connection>
-   <sender>exif_checkbox</sender>
+   <sender>jpg_quality_Slider</sender>
-   <signal>toggled(bool)</signal>
+   <signal>valueChanged(int)</signal>
-   <receiver>exif_copy_checkBox</receiver>
+   <receiver>jpg_quality_spinBox</receiver>
-   <slot>setDisabled(bool)</slot>
+   <slot>setValue(int)</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>130</x>
+     <x>218</x>
-     <y>105</y>
+     <y>289</y>
     </hint>
     <hint type="destinationlabel">
-     <x>332</x>
+     <x>380</x>
-     <y>105</y>
+     <y>289</y>
     </hint>
    </hints>
   </connection>
@@ -819,6 +923,246 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>exif_checkbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>exif_copy_checkBox</receiver>
+   <slot>setDisabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>130</x>
+     <y>105</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>332</x>
+     <y>105</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>resize_spinBox</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>resize_Slider</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>380</x>
+     <y>252</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>218</x>
+     <y>252</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>png_quality_spinBox</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>png_quality_Slider</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>380</x>
+     <y>326</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>218</x>
+     <y>326</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>contrast_horizontalSlider</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>contrast_spinBox</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>187</x>
+     <y>458</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>378</x>
+     <y>458</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>resize_Slider</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>resize_spinBox</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>218</x>
+     <y>252</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>380</x>
+     <y>252</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>brightness_horizontalSlider</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>brightness_spinBox</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>187</x>
+     <y>393</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>378</x>
+     <y>393</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>exif_checkbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>date_groupBox</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>126</x>
+     <y>103</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>224</x>
+     <y>589</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>png_quality_Slider</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>png_quality_spinBox</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>218</x>
+     <y>326</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>380</x>
+     <y>326</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>gps_checkBox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>lat_lineEdit</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>72</x>
+     <y>547</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>192</x>
+     <y>547</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>exif_checkbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>insert_exif_Button</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>92</x>
+     <y>130</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>369</x>
+     <y>684</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>gps_checkBox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>long_lineEdit</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>72</x>
+     <y>547</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>344</x>
+     <y>547</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>brightness_spinBox</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>brightness_horizontalSlider</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>378</x>
+     <y>393</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>187</x>
+     <y>393</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>resize_Slider</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>resize_spinBox</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>218</x>
+     <y>252</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>380</x>
+     <y>252</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>exif_checkbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>gps_groupBox</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>94</x>
+     <y>103</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>224</x>
+     <y>535</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>contrast_spinBox</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>contrast_horizontalSlider</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>378</x>
+     <y>458</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>187</x>
+     <y>458</y>
+    </hint>
+   </hints>
+  </connection>
   <connection>
    <sender>exif_checkbox</sender>
    <signal>toggled(bool)</signal>
@@ -852,66 +1196,18 @@
    </hints>
   </connection>
   <connection>
-   <sender>exif_checkbox</sender>
+   <sender>jpg_quality_spinBox</sender>
-   <signal>toggled(bool)</signal>
+   <signal>valueChanged(int)</signal>
-   <receiver>date_groupBox</receiver>
+   <receiver>jpg_quality_Slider</receiver>
-   <slot>setEnabled(bool)</slot>
+   <slot>setValue(int)</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>126</x>
+     <x>380</x>
-     <y>103</y>
+     <y>289</y>
     </hint>
     <hint type="destinationlabel">
-     <x>224</x>
+     <x>218</x>
-     <y>589</y>
+     <y>289</y>
-    </hint>
-   </hints>
-  </connection>
-  <connection>
-   <sender>exif_checkbox</sender>
-   <signal>toggled(bool)</signal>
-   <receiver>gps_groupBox</receiver>
-   <slot>setEnabled(bool)</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>94</x>
-     <y>103</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>224</x>
-     <y>535</y>
-    </hint>
-   </hints>
-  </connection>
-  <connection>
-   <sender>gps_checkBox</sender>
-   <signal>toggled(bool)</signal>
-   <receiver>lat_lineEdit</receiver>
-   <slot>setEnabled(bool)</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>72</x>
-     <y>547</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>192</x>
-     <y>547</y>
-    </hint>
-   </hints>
-  </connection>
-  <connection>
-   <sender>gps_checkBox</sender>
-   <signal>toggled(bool)</signal>
-   <receiver>long_lineEdit</receiver>
-   <slot>setEnabled(bool)</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>72</x>
-     <y>547</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>344</x>
-     <y>547</y>
     </hint>
    </hints>
   </connection>

src/OptimaLab35/ui/preview_window.py

@@ -0,0 +1,191 @@
+# -*- coding: utf-8 -*-
+
+################################################################################
+## Form generated from reading UI file 'preview_window.ui'
+##
+## Created by: Qt User Interface Compiler version 6.8.1
+##
+## WARNING! All changes made in this file will be lost when recompiling UI file!
+################################################################################
+
+from PySide6.QtCore import (QCoreApplication, QDate, QDateTime, QLocale,
+    QMetaObject, QObject, QPoint, QRect,
+    QSize, QTime, QUrl, Qt)
+from PySide6.QtGui import (QBrush, QColor, QConicalGradient, QCursor,
+    QFont, QFontDatabase, QGradient, QIcon,
+    QImage, QKeySequence, QLinearGradient, QPainter,
+    QPalette, QPixmap, QRadialGradient, QTransform)
+from PySide6.QtWidgets import (QApplication, QCheckBox, QFrame, QHBoxLayout,
+    QLabel, QLineEdit, QMainWindow, QMenuBar,
+    QPushButton, QSizePolicy, QSlider, QSpinBox,
+    QVBoxLayout, QWidget)
+
+class Ui_Preview_Window(object):
+    def setupUi(self, Preview_Window):
+        if not Preview_Window.objectName():
+            Preview_Window.setObjectName(u"Preview_Window")
+        Preview_Window.resize(803, 700)
+        Preview_Window.setMinimumSize(QSize(800, 700))
+        self.centralwidget = QWidget(Preview_Window)
+        self.centralwidget.setObjectName(u"centralwidget")
+        self.horizontalLayout = QHBoxLayout(self.centralwidget)
+        self.horizontalLayout.setObjectName(u"horizontalLayout")
+        self.QLabel = QLabel(self.centralwidget)
+        self.QLabel.setObjectName(u"QLabel")
+        self.QLabel.setMinimumSize(QSize(628, 628))
+        self.QLabel.setFrameShape(QFrame.Box)
+        self.QLabel.setScaledContents(True)
+
+        self.horizontalLayout.addWidget(self.QLabel)
+
+        self.widget = QWidget(self.centralwidget)
+        self.widget.setObjectName(u"widget")
+        self.widget.setMinimumSize(QSize(140, 628))
+        self.widget.setMaximumSize(QSize(140, 16777215))
+        self.verticalLayout_3 = QVBoxLayout(self.widget)
+        self.verticalLayout_3.setObjectName(u"verticalLayout_3")
+        self.image_path_lineEdit = QLineEdit(self.widget)
+        self.image_path_lineEdit.setObjectName(u"image_path_lineEdit")
+
+        self.verticalLayout_3.addWidget(self.image_path_lineEdit)
+
+        self.load_Button = QPushButton(self.widget)
+        self.load_Button.setObjectName(u"load_Button")
+
+        self.verticalLayout_3.addWidget(self.load_Button)
+
+        self.widget_2 = QWidget(self.widget)
+        self.widget_2.setObjectName(u"widget_2")
+        self.widget_2.setMaximumSize(QSize(16777215, 120))
+        self.verticalLayout = QVBoxLayout(self.widget_2)
+        self.verticalLayout.setObjectName(u"verticalLayout")
+        self.label = QLabel(self.widget_2)
+        self.label.setObjectName(u"label")
+
+        self.verticalLayout.addWidget(self.label)
+
+        self.brightness_spinBox = QSpinBox(self.widget_2)
+        self.brightness_spinBox.setObjectName(u"brightness_spinBox")
+        self.brightness_spinBox.setMinimum(-100)
+        self.brightness_spinBox.setMaximum(100)
+
+        self.verticalLayout.addWidget(self.brightness_spinBox)
+
+        self.brightness_Slider = QSlider(self.widget_2)
+        self.brightness_Slider.setObjectName(u"brightness_Slider")
+        self.brightness_Slider.setMinimum(-100)
+        self.brightness_Slider.setMaximum(100)
+        self.brightness_Slider.setOrientation(Qt.Horizontal)
+
+        self.verticalLayout.addWidget(self.brightness_Slider)
+
+        self.reset_brightness_Button = QPushButton(self.widget_2)
+        self.reset_brightness_Button.setObjectName(u"reset_brightness_Button")
+
+        self.verticalLayout.addWidget(self.reset_brightness_Button)
+
+
+        self.verticalLayout_3.addWidget(self.widget_2)
+
+        self.widget_3 = QWidget(self.widget)
+        self.widget_3.setObjectName(u"widget_3")
+        self.widget_3.setMaximumSize(QSize(16777215, 120))
+        self.verticalLayout_2 = QVBoxLayout(self.widget_3)
+        self.verticalLayout_2.setObjectName(u"verticalLayout_2")
+        self.label_2 = QLabel(self.widget_3)
+        self.label_2.setObjectName(u"label_2")
+
+        self.verticalLayout_2.addWidget(self.label_2)
+
+        self.contrast_spinBox = QSpinBox(self.widget_3)
+        self.contrast_spinBox.setObjectName(u"contrast_spinBox")
+        self.contrast_spinBox.setMinimum(-100)
+        self.contrast_spinBox.setMaximum(100)
+
+        self.verticalLayout_2.addWidget(self.contrast_spinBox)
+
+        self.contrast_Slider = QSlider(self.widget_3)
+        self.contrast_Slider.setObjectName(u"contrast_Slider")
+        self.contrast_Slider.setMinimum(-100)
+        self.contrast_Slider.setMaximum(100)
+        self.contrast_Slider.setOrientation(Qt.Horizontal)
+
+        self.verticalLayout_2.addWidget(self.contrast_Slider)
+
+        self.reset_contrast_Button = QPushButton(self.widget_3)
+        self.reset_contrast_Button.setObjectName(u"reset_contrast_Button")
+
+        self.verticalLayout_2.addWidget(self.reset_contrast_Button)
+
+
+        self.verticalLayout_3.addWidget(self.widget_3)
+
+        self.grayscale_checkBox = QCheckBox(self.widget)
+        self.grayscale_checkBox.setObjectName(u"grayscale_checkBox")
+
+        self.verticalLayout_3.addWidget(self.grayscale_checkBox)
+
+        self.update_Button = QPushButton(self.widget)
+        self.update_Button.setObjectName(u"update_Button")
+
+        self.verticalLayout_3.addWidget(self.update_Button)
+
+        self.widget_4 = QWidget(self.widget)
+        self.widget_4.setObjectName(u"widget_4")
+        self.verticalLayout_4 = QVBoxLayout(self.widget_4)
+        self.verticalLayout_4.setObjectName(u"verticalLayout_4")
+        self.label_3 = QLabel(self.widget_4)
+        self.label_3.setObjectName(u"label_3")
+        self.label_3.setScaledContents(False)
+        self.label_3.setWordWrap(True)
+
+        self.verticalLayout_4.addWidget(self.label_3)
+
+        self.checkBox = QCheckBox(self.widget_4)
+        self.checkBox.setObjectName(u"checkBox")
+        self.checkBox.setChecked(True)
+
+        self.verticalLayout_4.addWidget(self.checkBox)
+
+        self.close_Button = QPushButton(self.widget_4)
+        self.close_Button.setObjectName(u"close_Button")
+
+        self.verticalLayout_4.addWidget(self.close_Button)
+
+
+        self.verticalLayout_3.addWidget(self.widget_4)
+
+
+        self.horizontalLayout.addWidget(self.widget)
+
+        Preview_Window.setCentralWidget(self.centralwidget)
+        self.menubar = QMenuBar(Preview_Window)
+        self.menubar.setObjectName(u"menubar")
+        self.menubar.setGeometry(QRect(0, 0, 803, 27))
+        Preview_Window.setMenuBar(self.menubar)
+
+        self.retranslateUi(Preview_Window)
+        self.brightness_Slider.valueChanged.connect(self.brightness_spinBox.setValue)
+        self.brightness_spinBox.valueChanged.connect(self.brightness_Slider.setValue)
+        self.contrast_Slider.valueChanged.connect(self.contrast_spinBox.setValue)
+        self.contrast_spinBox.valueChanged.connect(self.contrast_Slider.setValue)
+
+        QMetaObject.connectSlotsByName(Preview_Window)
+    # setupUi
+
+    def retranslateUi(self, Preview_Window):
+        Preview_Window.setWindowTitle(QCoreApplication.translate("Preview_Window", u"OptimaLab35 - Preview", None))
+        self.QLabel.setText("")
+        self.image_path_lineEdit.setPlaceholderText(QCoreApplication.translate("Preview_Window", u"Path to image", None))
+        self.load_Button.setText(QCoreApplication.translate("Preview_Window", u"Select image", None))
+        self.label.setText(QCoreApplication.translate("Preview_Window", u"Brightness", None))
+        self.reset_brightness_Button.setText(QCoreApplication.translate("Preview_Window", u"Reset", None))
+        self.label_2.setText(QCoreApplication.translate("Preview_Window", u"Contrast", None))
+        self.reset_contrast_Button.setText(QCoreApplication.translate("Preview_Window", u"Reset", None))
+        self.grayscale_checkBox.setText(QCoreApplication.translate("Preview_Window", u"Grayscale", None))
+        self.update_Button.setText(QCoreApplication.translate("Preview_Window", u"Update preview", None))
+        self.label_3.setText(QCoreApplication.translate("Preview_Window", u"Copy values to main window when closing", None))
+        self.checkBox.setText(QCoreApplication.translate("Preview_Window", u"Copy Values", None))
+        self.close_Button.setText(QCoreApplication.translate("Preview_Window", u"Close", None))
+    # retranslateUi
+

src/OptimaLab35/ui/preview_window.ui

@@ -0,0 +1,303 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Preview_Window</class>
+ <widget class="QMainWindow" name="Preview_Window">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>803</width>
+    <height>700</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>800</width>
+    <height>700</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>OptimaLab35 - Preview</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <layout class="QHBoxLayout" name="horizontalLayout">
+    <item>
+     <widget class="QLabel" name="QLabel">
+      <property name="minimumSize">
+       <size>
+        <width>628</width>
+        <height>628</height>
+       </size>
+      </property>
+      <property name="frameShape">
+       <enum>QFrame::Box</enum>
+      </property>
+      <property name="text">
+       <string/>
+      </property>
+      <property name="scaledContents">
+       <bool>true</bool>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QWidget" name="widget" native="true">
+      <property name="minimumSize">
+       <size>
+        <width>140</width>
+        <height>628</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>140</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <layout class="QVBoxLayout" name="verticalLayout_3">
+       <item>
+        <widget class="QLineEdit" name="image_path_lineEdit">
+         <property name="placeholderText">
+          <string>Path to image</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="load_Button">
+         <property name="text">
+          <string>Select image</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QWidget" name="widget_2" native="true">
+         <property name="maximumSize">
+          <size>
+           <width>16777215</width>
+           <height>120</height>
+          </size>
+         </property>
+         <layout class="QVBoxLayout" name="verticalLayout">
+          <item>
+           <widget class="QLabel" name="label">
+            <property name="text">
+             <string>Brightness</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QSpinBox" name="brightness_spinBox">
+            <property name="minimum">
+             <number>-100</number>
+            </property>
+            <property name="maximum">
+             <number>100</number>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QSlider" name="brightness_Slider">
+            <property name="minimum">
+             <number>-100</number>
+            </property>
+            <property name="maximum">
+             <number>100</number>
+            </property>
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="reset_brightness_Button">
+            <property name="text">
+             <string>Reset</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <widget class="QWidget" name="widget_3" native="true">
+         <property name="maximumSize">
+          <size>
+           <width>16777215</width>
+           <height>120</height>
+          </size>
+         </property>
+         <layout class="QVBoxLayout" name="verticalLayout_2">
+          <item>
+           <widget class="QLabel" name="label_2">
+            <property name="text">
+             <string>Contrast</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QSpinBox" name="contrast_spinBox">
+            <property name="minimum">
+             <number>-100</number>
+            </property>
+            <property name="maximum">
+             <number>100</number>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QSlider" name="contrast_Slider">
+            <property name="minimum">
+             <number>-100</number>
+            </property>
+            <property name="maximum">
+             <number>100</number>
+            </property>
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="reset_contrast_Button">
+            <property name="text">
+             <string>Reset</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <widget class="QCheckBox" name="grayscale_checkBox">
+         <property name="text">
+          <string>Grayscale</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="update_Button">
+         <property name="text">
+          <string>Update preview</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QWidget" name="widget_4" native="true">
+         <layout class="QVBoxLayout" name="verticalLayout_4">
+          <item>
+           <widget class="QLabel" name="label_3">
+            <property name="text">
+             <string>Copy values to main window when closing</string>
+            </property>
+            <property name="scaledContents">
+             <bool>false</bool>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QCheckBox" name="checkBox">
+            <property name="text">
+             <string>Copy Values</string>
+            </property>
+            <property name="checked">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="close_Button">
+            <property name="text">
+             <string>Close</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>803</width>
+     <height>27</height>
+    </rect>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>brightness_Slider</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>brightness_spinBox</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>720</x>
+     <y>311</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>706</x>
+     <y>282</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>brightness_spinBox</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>brightness_Slider</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>706</x>
+     <y>282</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>720</x>
+     <y>311</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>contrast_Slider</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>contrast_spinBox</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>720</x>
+     <y>454</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>699</x>
+     <y>425</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>contrast_spinBox</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>contrast_Slider</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>699</x>
+     <y>425</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>720</x>
+     <y>454</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

src/OptimaLab35/update_ui.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+echo "Update .ui files with pyside"
+echo "Update main window."
+pyside6-uic OptimaLab35/ui/main_window.ui -o OptimaLab35/ui/main_window.py
+echo "Update preview window."
+pyside6-uic OptimaLab35/ui/preview_window.ui -o OptimaLab35/ui/preview_window.py