Add acf filters and other minor improvements

.gitignore

@@ -1,7 +1,6 @@
 __pycache__
 Data
-.ipynb_checkpoints
+*.ipynb*
-*.ipynb
 wav_converter.py
 to_do.txt
 csv_info.txt

audio_player.py

@@ -11,7 +11,7 @@ import qtawesome as qta
 class AudioPlayer(QObject): # Maybe useless inheriting from QObject
     """
     This is the audio player widget. The only public methods are the __init__
-    method and set_audio_player, which loads the current file. Everything else
+    method, set_audio_player, which loads the current file and refresh_btns_colors. Everything else
     is managed internally.
     """
 

constants.py

@@ -70,7 +70,7 @@ class Database(object):
                  Signal.INF_BAND,
                  Signal.SUP_BAND,
                  Signal.CATEGORY_CODE,)
-
+ACF_DOCS           = "https://aresvalley.com/documentation/"
 SEARCH_LABEL_IMG   = "search_icon.png"
 VOLUME_LABEL_IMG   = "volume.png"
 DATA_FOLDER        = "Data"
@@ -94,6 +94,8 @@ __UHF              = __Band(300 * 10**6, 3000 * 10**6)
 __SHF              = __Band(3 * 10**9, 30 * 10**9)
 __EHF              = __Band(30 * 10**9, 300 * 10**9)
 BANDS              = (__ELF, __SLF, __ULF, __VLF, __LF, __MF, __HF, __VHF, __UHF, __SHF, __EHF)
+MAX_DIGITS         = 3
+RANGE_SEPARATOR    = ' ÷ '
 CONVERSION_FACTORS = {"Hz" : 1, 
                       "kHz": 1000, 
                       "MHz": 1000000, 

main.py

@@ -28,7 +28,7 @@ from download_window import DownloadWindow
 
 import constants
 
-from utilities import (reset_apply_remove_btn, 
+from utilities import (uncheck_and_emit, 
                        throwable_message,
                        is_valid_html_color,
                        connect_to,
@@ -73,11 +73,11 @@ class MyApp(QMainWindow, Ui_MainWindow):
         )
 
         connect_to(
-            objects_to_connect = [self.lower_freq_spinbox.valueChanged,
+            events_to_connect = [self.lower_freq_spinbox.valueChanged,
-                                  self.upper_freq_spinbox.valueChanged,
+                                 self.upper_freq_spinbox.valueChanged,
-                                  self.lower_freq_filter_unit.currentTextChanged,
+                                 self.lower_freq_filter_unit.currentTextChanged,
-                                  self.upper_freq_filter_unit.currentTextChanged,
+                                 self.upper_freq_filter_unit.currentTextChanged,
-                                  self.activate_low_freq_filter_btn.toggled],
+                                 self.activate_low_freq_filter_btn.toggled],
             fun_to_connect = self.set_min_value_upper_limit,
             fun_args = [self.lower_freq_filter_unit, 
                         self.lower_freq_spinbox, 
@@ -86,14 +86,14 @@ class MyApp(QMainWindow, Ui_MainWindow):
         )
 
         connect_to(
-            objects_to_connect = [self.lower_freq_spinbox.valueChanged,
+            events_to_connect = [self.lower_freq_spinbox.valueChanged,
-                                  self.upper_freq_spinbox.valueChanged,
+                                 self.upper_freq_spinbox.valueChanged,
-                                  self.lower_freq_filter_unit.currentTextChanged,
+                                 self.lower_freq_filter_unit.currentTextChanged,
-                                  self.upper_freq_filter_unit.currentTextChanged,
+                                 self.upper_freq_filter_unit.currentTextChanged,
-                                  self.activate_low_freq_filter_btn.clicked,
+                                 self.activate_low_freq_filter_btn.clicked,
-                                  self.activate_up_freq_filter_btn.clicked,
+                                 self.activate_up_freq_filter_btn.clicked,
-                                  self.lower_freq_confidence.valueChanged,
+                                 self.lower_freq_confidence.valueChanged,
-                                  self.upper_freq_confidence.valueChanged],
+                                 self.upper_freq_confidence.valueChanged],
             fun_to_connect = self.set_band_filter_label,
             fun_args = [self.activate_low_freq_filter_btn,
                         self.lower_freq_spinbox,
@@ -149,11 +149,11 @@ class MyApp(QMainWindow, Ui_MainWindow):
         # Manage bandwidth filters.
 
         connect_to(
-            objects_to_connect = [self.lower_band_spinbox.valueChanged,
+            events_to_connect = [self.lower_band_spinbox.valueChanged,
-                                  self.upper_band_spinbox.valueChanged,
+                                 self.upper_band_spinbox.valueChanged,
-                                  self.lower_band_filter_unit.currentTextChanged,
+                                 self.lower_band_filter_unit.currentTextChanged,
-                                  self.upper_band_filter_unit.currentTextChanged,
+                                 self.upper_band_filter_unit.currentTextChanged,
-                                  self.activate_low_band_filter_btn.toggled],
+                                 self.activate_low_band_filter_btn.toggled],
             fun_to_connect = self.set_min_value_upper_limit,
             fun_args = [self.lower_band_filter_unit, 
                         self.lower_band_spinbox, 
@@ -162,14 +162,14 @@ class MyApp(QMainWindow, Ui_MainWindow):
         )
 
         connect_to(
-            objects_to_connect = [self.lower_band_spinbox.valueChanged,
+            events_to_connect = [self.lower_band_spinbox.valueChanged,
-                                  self.upper_band_spinbox.valueChanged,
+                                 self.upper_band_spinbox.valueChanged,
-                                  self.lower_band_filter_unit.currentTextChanged,
+                                 self.lower_band_filter_unit.currentTextChanged,
-                                  self.upper_band_filter_unit.currentTextChanged,
+                                 self.upper_band_filter_unit.currentTextChanged,
-                                  self.activate_low_band_filter_btn.clicked,
+                                 self.activate_low_band_filter_btn.clicked,
-                                  self.activate_up_band_filter_btn.clicked,
+                                 self.activate_up_band_filter_btn.clicked,
-                                  self.lower_band_confidence.valueChanged,
+                                 self.lower_band_confidence.valueChanged,
-                                  self.upper_band_confidence.valueChanged],
+                                 self.upper_band_confidence.valueChanged],
             fun_to_connect = self.set_band_filter_label,
             fun_args = [self.activate_low_band_filter_btn,
                         self.lower_band_spinbox,
@@ -315,10 +315,23 @@ class MyApp(QMainWindow, Ui_MainWindow):
         self.reset_location_filters_btn.clicked.connect(self.reset_location_filters)
         self.locations_list.itemClicked.connect(self.remove_if_unselected_location)
 
+        # Set ACF filter screen.
+        self.apply_remove_acf_filter_btn.set_texts(constants.APPLY, constants.REMOVE)
+        self.apply_remove_acf_filter_btn.set_slave_filters([self.include_undef_acf, self.acf_spinbox, self.acf_confidence])
+        self.apply_remove_acf_filter_btn.clicked.connect(self.display_signals)
+        self.reset_acf_filters_btn.clicked.connect(self.reset_acf_filters)
+        self.acf_info_btn.clicked.connect(lambda : webbrowser.open(constants.ACF_DOCS))
+
+        connect_to(
+            events_to_connect = [self.acf_spinbox.valueChanged, self.acf_confidence.valueChanged],
+            fun_to_connect = self.set_acf_interval_label,
+            fun_args = None
+        )
+
         # Find available themes.
         self.default_images_folder = os.path.join(constants.Theme.FOLDER,
-                                         constants.Theme.DEFAULT,
+                                                  constants.Theme.DEFAULT,
-                                         constants.Theme.ICONS_FOLDER)
+                                                  constants.Theme.ICONS_FOLDER)
 
 # ##########################################################################################
 
@@ -358,6 +371,34 @@ class MyApp(QMainWindow, Ui_MainWindow):
 
         self.show()
 
+    def refresh_range_labels(self):
+        self.set_acf_interval_label()
+        self.set_band_filter_label(self.activate_low_band_filter_btn,
+                                   self.lower_band_spinbox,
+                                   self.lower_band_filter_unit,
+                                   self.lower_band_confidence,
+                                   self.activate_up_band_filter_btn,
+                                   self.upper_band_spinbox,
+                                   self.upper_band_filter_unit,
+                                   self.upper_band_confidence,
+                                   self.band_range_lbl)
+        self.set_band_filter_label(self.activate_low_freq_filter_btn,
+                                   self.lower_freq_spinbox,
+                                   self.lower_freq_filter_unit,
+                                   self.lower_freq_confidence,
+                                   self.activate_up_freq_filter_btn,
+                                   self.upper_freq_spinbox,
+                                   self.upper_freq_filter_unit,
+                                   self.upper_freq_confidence,
+                                   self.freq_range_lbl)
+
+    @pyqtSlot()
+    def show_theme(self, theme):
+        self.change_theme(theme)
+        self.display_specs(self.result_list.currentItem(), None)
+        self.refresh_range_labels()
+        self.audio_widget.refresh_btns_colors(self.active_color, self.inactive_color)
+
     def find_themes(self):
         themes = []
         for theme_folder in os.listdir(constants.Theme.FOLDER):
@@ -374,11 +415,7 @@ class MyApp(QMainWindow, Ui_MainWindow):
             new_theme = QAction(theme_name, self)
             self.menu_themes.addAction(new_theme)
 
-            @pyqtSlot()
+            new_theme.triggered.connect(partial(self.show_theme, theme))
-            def show_new_theme(theme):
-                self.change_theme(theme)
-                self.display_specs(self.result_list.currentItem(), None)
-            new_theme.triggered.connect(partial(show_new_theme, theme))
 
     @pyqtSlot()
     def change_theme(self, theme_path):
@@ -453,8 +490,6 @@ class MyApp(QMainWindow, Ui_MainWindow):
                 self.active_color = constants.Theme.DEFAULT_ACTIVE_COLOR
                 self.inactive_color = constants.Theme.DEFAULT_INACTIVE_COLOR
 
-            self.audio_widget.refresh_btns_colors(self.active_color, self.inactive_color)
-
             try:
                 with open(os.path.join(constants.Theme.FOLDER, 
                           constants.Theme.CURRENT), "w") as current_theme:
@@ -468,7 +503,7 @@ class MyApp(QMainWindow, Ui_MainWindow):
             with open(current_theme_file) as current_theme:
                 theme = current_theme.read()
                 if theme != constants.Theme.DEFAULT:
-                    self.change_theme(theme)
+                    self.show_theme(theme)
 
     @pyqtSlot(QListWidgetItem)
     def remove_if_unselected_modulation(self, item):
@@ -643,20 +678,22 @@ class MyApp(QMainWindow, Ui_MainWindow):
         title = ''
         to_display = ''
         if activate_low_btn.isChecked():
-            to_display += str(lower_spinbox.value()) + ' ' + lower_unit.currentText()
             activate_low = True
             color = self.active_color
+            min_value = lower_spinbox.value()
             if lower_confidence.value() != 0:
-                to_display += ' - ' + str(lower_confidence.value()) + ' %'
+                min_value -= lower_spinbox.value() * lower_confidence.value() / 100
+            to_display += str(round(min_value, constants.MAX_DIGITS)) + ' ' + lower_unit.currentText()
         else:
             to_display += 'DC'
-        to_display += ' ÷ '
+        to_display += constants.RANGE_SEPARATOR
         if activate_up_btn.isChecked():
-            to_display += str(upper_spinbox.value()) + ' ' + upper_unit.currentText()
+            max_value = upper_spinbox.value()
             activate_high = True
             color = self.active_color
             if upper_confidence.value() != 0:
-                to_display += ' + ' + str(upper_confidence.value()) + ' %'
+                max_value += upper_spinbox.value() * upper_confidence.value() / 100
+            to_display += str(round(max_value, constants.MAX_DIGITS)) + ' ' + upper_unit.currentText()
         else:
             to_display += 'INF'
         if activate_low and activate_high:
@@ -672,6 +709,17 @@ class MyApp(QMainWindow, Ui_MainWindow):
         range_lbl.setText(to_display)
         range_lbl.setStyleSheet(f'color: {color};')
 
+    @pyqtSlot()
+    def set_acf_interval_label(self):
+        tolerance = self.acf_spinbox.value() * self.acf_confidence.value() / 100
+        if tolerance > 0:
+            to_display = f"Selected range:\n\n{round(self.acf_spinbox.value() - tolerance, constants.MAX_DIGITS)}" +\
+                constants.RANGE_SEPARATOR + f"{round(self.acf_spinbox.value() + tolerance, constants.MAX_DIGITS)} ms"
+        else:
+            to_display = f"Selected value:\n\n{self.acf_spinbox.value()} ms"
+        self.acf_range_lbl.setText(to_display)
+        self.acf_range_lbl.setStyleSheet(f"color: {self.active_color}")
+
     @pyqtSlot()
     def activate_if_toggled(self, radio_btn, *widgets):
         toggled = True if radio_btn.isChecked() else False
@@ -682,14 +730,15 @@ class MyApp(QMainWindow, Ui_MainWindow):
     def display_signals(self):
         text = self.search_bar.text()
         available_signals = 0
-        for index, signal in enumerate(self.signal_names):
+        for index, signal_name in enumerate(self.signal_names):
-            if all([text.lower() in signal.lower()     ,
+            if all([text.lower() in signal_name.lower()     ,
-                    self.frequency_filters_ok(signal)  ,
+                    self.frequency_filters_ok(signal_name)  ,
-                    self.band_filters_ok(signal)       ,
+                    self.band_filters_ok(signal_name)       ,
-                    self.category_filters_ok(signal)   ,
+                    self.category_filters_ok(signal_name)   ,
-                    self.mode_filters_ok(signal)       ,
+                    self.mode_filters_ok(signal_name)       ,
-                    self.modulation_filters_ok(signal) ,
+                    self.modulation_filters_ok(signal_name) ,
-                    self.location_filters_ok(signal)]) :
+                    self.location_filters_ok(signal_name)   ,
+                    self.acf_filters_ok(signal_name)]):
                 self.result_list.item(index).setHidden(False)
                 available_signals += 1
             else:
@@ -700,7 +749,7 @@ class MyApp(QMainWindow, Ui_MainWindow):
         if available_signals < self.total_signals:
             self.statusbar.setStyleSheet(f'color: {self.active_color}')
         else:
-            self.statusbar.setStyleSheet('color: #ffffff')
+            self.statusbar.setStyleSheet(f'color: {self.inactive_color}')
         self.statusbar.showMessage(f"{available_signals} out of {self.total_signals} signals displayed.")
 
     @pyqtSlot()
@@ -722,11 +771,11 @@ class MyApp(QMainWindow, Ui_MainWindow):
             for f in self.frequency_filters_btns:
                 if f.isChecked():
                     f.setChecked(False)
-        reset_apply_remove_btn(apply_remove_btn)
+        uncheck_and_emit(apply_remove_btn)
         if include_undef_btn.isChecked():
             include_undef_btn.setChecked(False)
-        reset_apply_remove_btn(activate_low)
+        uncheck_and_emit(activate_low)
-        reset_apply_remove_btn(activate_up)
+        uncheck_and_emit(activate_up)
         lower_unit.setCurrentText("MHz")
         upper_unit.setCurrentText("MHz")
         lower_spinbox.setValue(default_val)
@@ -737,14 +786,15 @@ class MyApp(QMainWindow, Ui_MainWindow):
 
     @pyqtSlot()
     def reset_cat_filters(self):
-        reset_apply_remove_btn(self.apply_remove_cat_filter_btn)
+        uncheck_and_emit(self.apply_remove_cat_filter_btn)
         for f in self.cat_filter_btns:
-            f.setChecked(False) if f.isChecked() else None
+            if f.isChecked():
+                f.setChecked(False)
         self.cat_at_least_one.setChecked(True)
 
     @pyqtSlot()
     def reset_mode_filters(self):
-        reset_apply_remove_btn(self.apply_remove_mode_filter_btn)
+        uncheck_and_emit(self.apply_remove_mode_filter_btn)
         for item in self.mode_tree_widget.selectedItems():
             item.setSelected(False)
         if self.include_unknown_modes_btn.isChecked():
@@ -752,7 +802,7 @@ class MyApp(QMainWindow, Ui_MainWindow):
 
     @pyqtSlot()
     def reset_modulation_filters(self):
-        reset_apply_remove_btn(self.apply_remove_modulation_filter_btn)
+        uncheck_and_emit(self.apply_remove_modulation_filter_btn)
         self.search_bar_modulation.setText('')
         for i in range(self.modulation_list.count()):
             if self.modulation_list.item(i).isSelected():
@@ -760,12 +810,20 @@ class MyApp(QMainWindow, Ui_MainWindow):
 
     @pyqtSlot()
     def reset_location_filters(self):
-        reset_apply_remove_btn(self.apply_remove_location_filter_btn)
+        uncheck_and_emit(self.apply_remove_location_filter_btn)
         self.search_bar_location.setText('')
         for i in range(self.locations_list.count()):
             if self.locations_list.item(i).isSelected():
                 self.locations_list.item(i).setSelected(False)
 
+    @pyqtSlot()
+    def reset_acf_filters(self):
+        uncheck_and_emit(self.apply_remove_acf_filter_btn)
+        if self.include_undef_acf.isChecked():
+            self.include_undef_acf.setChecked(False)
+        self.acf_spinbox.setValue(50)
+        self.acf_confidence.setValue(0)
+
     def frequency_filters_ok(self, signal_name):
         if not self.apply_remove_freq_filter_btn.isChecked():
             return True
@@ -885,6 +943,25 @@ class MyApp(QMainWindow, Ui_MainWindow):
                 return True
         return False
 
+    def acf_filters_ok(self, signal_name):
+        if not self.apply_remove_acf_filter_btn.isChecked():
+            return True
+        signal_acf = self.db.at[signal_name, constants.Signal.ACF]
+        if signal_acf == constants.UNKNOWN:
+            if self.include_undef_acf.isChecked():
+                return True
+            else:
+                return False
+        else:
+            signal_acf = float(signal_acf.rstrip("ms"))
+            tolerance = self.acf_spinbox.value() * self.acf_confidence.value() / 100
+            upper_limit = self.acf_spinbox.value() + tolerance
+            lower_limit = self.acf_spinbox.value() - tolerance
+            if signal_acf <= upper_limit and signal_acf >= lower_limit:
+                return True
+            else:
+                return False
+        
     @pyqtSlot(QListWidgetItem, QListWidgetItem)
     def display_specs(self, item, previous_item):
         self.display_spectrogram()
@@ -987,6 +1064,7 @@ class MyApp(QMainWindow, Ui_MainWindow):
         self.reset_mode_filters_btn.clicked.emit()
         self.reset_modulation_filters_btn.clicked.emit()
         self.reset_location_filters_btn.clicked.emit()
+        self.reset_acf_filters_btn.clicked.emit()
 
     @pyqtSlot()
     def go_to_web_page_signal(self):

main_window.ui

@@ -174,7 +174,7 @@
         <enum>QTabWidget::Rounded</enum>
        </property>
        <property name="currentIndex">
-        <number>1</number>
+        <number>0</number>
        </property>
        <property name="movable">
         <bool>true</bool>
@@ -1771,7 +1771,7 @@ p, li { white-space: pre-wrap; }
             <string notr="true"/>
            </property>
            <property name="currentIndex">
-            <number>6</number>
+            <number>0</number>
            </property>
            <property name="movable">
             <bool>true</bool>
@@ -3873,8 +3873,237 @@ Inactive</string>
             <attribute name="title">
              <string>ACF</string>
             </attribute>
-            <layout class="QVBoxLayout" name="verticalLayout_5">
+            <layout class="QGridLayout" name="gridLayout_18">
-             <item>
+             <item row="2" column="0">
+              <spacer name="horizontalSpacer_13">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>52</width>
+                 <height>22</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+             <item row="2" column="1">
+              <widget class="QWidget" name="widget_9" native="true">
+               <layout class="QGridLayout" name="gridLayout_17">
+                <item row="0" column="0">
+                 <layout class="QHBoxLayout" name="horizontalLayout_25">
+                  <item>
+                   <widget class="QLabel" name="label">
+                    <property name="font">
+                     <font>
+                      <pointsize>12</pointsize>
+                      <weight>75</weight>
+                      <bold>true</bold>
+                     </font>
+                    </property>
+                    <property name="text">
+                     <string>AC interval</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QSpinBox" name="acf_spinbox">
+                    <property name="enabled">
+                     <bool>true</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="minimumSize">
+                     <size>
+                      <width>80</width>
+                      <height>0</height>
+                     </size>
+                    </property>
+                    <property name="maximumSize">
+                     <size>
+                      <width>100</width>
+                      <height>16777215</height>
+                     </size>
+                    </property>
+                    <property name="font">
+                     <font>
+                      <pointsize>12</pointsize>
+                     </font>
+                    </property>
+                    <property name="styleSheet">
+                     <string notr="true"/>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                    <property name="minimum">
+                     <number>1</number>
+                    </property>
+                    <property name="maximum">
+                     <number>10000</number>
+                    </property>
+                    <property name="value">
+                     <number>50</number>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QLabel" name="label_2">
+                    <property name="font">
+                     <font>
+                      <pointsize>12</pointsize>
+                      <weight>75</weight>
+                      <bold>true</bold>
+                     </font>
+                    </property>
+                    <property name="text">
+                     <string>ms</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <spacer name="horizontalSpacer_15">
+                    <property name="orientation">
+                     <enum>Qt::Horizontal</enum>
+                    </property>
+                    <property name="sizeHint" stdset="0">
+                     <size>
+                      <width>49</width>
+                      <height>20</height>
+                     </size>
+                    </property>
+                   </spacer>
+                  </item>
+                  <item>
+                   <widget class="QLabel" name="label_16">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="font">
+                     <font>
+                      <pointsize>12</pointsize>
+                      <weight>75</weight>
+                      <bold>true</bold>
+                     </font>
+                    </property>
+                    <property name="text">
+                     <string>   Confidence %</string>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QSpinBox" name="acf_confidence">
+                    <property name="enabled">
+                     <bool>true</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="minimumSize">
+                     <size>
+                      <width>60</width>
+                      <height>0</height>
+                     </size>
+                    </property>
+                    <property name="maximumSize">
+                     <size>
+                      <width>50</width>
+                      <height>16777215</height>
+                     </size>
+                    </property>
+                    <property name="font">
+                     <font>
+                      <pointsize>12</pointsize>
+                     </font>
+                    </property>
+                    <property name="styleSheet">
+                     <string notr="true"/>
+                    </property>
+                    <property name="frame">
+                     <bool>false</bool>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignCenter</set>
+                    </property>
+                    <property name="buttonSymbols">
+                     <enum>QAbstractSpinBox::UpDownArrows</enum>
+                    </property>
+                    <property name="specialValueText">
+                     <string/>
+                    </property>
+                    <property name="maximum">
+                     <number>100</number>
+                    </property>
+                    <property name="value">
+                     <number>0</number>
+                    </property>
+                   </widget>
+                  </item>
+                 </layout>
+                </item>
+                <item row="1" column="0">
+                 <widget class="QLabel" name="acf_range_lbl">
+                  <property name="enabled">
+                   <bool>false</bool>
+                  </property>
+                  <property name="sizePolicy">
+                   <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+                    <horstretch>0</horstretch>
+                    <verstretch>0</verstretch>
+                   </sizepolicy>
+                  </property>
+                  <property name="font">
+                   <font>
+                    <pointsize>12</pointsize>
+                    <weight>75</weight>
+                    <italic>false</italic>
+                    <bold>true</bold>
+                    <underline>false</underline>
+                   </font>
+                  </property>
+                  <property name="styleSheet">
+                   <string notr="true"/>
+                  </property>
+                  <property name="text">
+                   <string>Selected range:
+
+Inactive</string>
+                  </property>
+                  <property name="alignment">
+                   <set>Qt::AlignCenter</set>
+                  </property>
+                 </widget>
+                </item>
+               </layout>
+              </widget>
+             </item>
+             <item row="2" column="2">
+              <spacer name="horizontalSpacer_14">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>51</width>
+                 <height>20</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+             <item row="1" column="0" colspan="3">
               <widget class="QPushButton" name="include_undef_acf">
                <property name="font">
                 <font>
@@ -3891,230 +4120,7 @@ Inactive</string>
                </property>
               </widget>
              </item>
-             <item>
+             <item row="3" column="0" colspan="3">
-              <layout class="QHBoxLayout" name="horizontalLayout_25">
-               <item>
-                <spacer name="horizontalSpacer_13">
-                 <property name="orientation">
-                  <enum>Qt::Horizontal</enum>
-                 </property>
-                 <property name="sizeHint" stdset="0">
-                  <size>
-                   <width>50</width>
-                   <height>20</height>
-                  </size>
-                 </property>
-                </spacer>
-               </item>
-               <item>
-                <widget class="QLabel" name="label">
-                 <property name="font">
-                  <font>
-                   <pointsize>12</pointsize>
-                   <weight>75</weight>
-                   <bold>true</bold>
-                  </font>
-                 </property>
-                 <property name="text">
-                  <string>AC interval</string>
-                 </property>
-                </widget>
-               </item>
-               <item>
-                <widget class="QSpinBox" name="acf_spinbox">
-                 <property name="enabled">
-                  <bool>false</bool>
-                 </property>
-                 <property name="sizePolicy">
-                  <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
-                   <horstretch>0</horstretch>
-                   <verstretch>0</verstretch>
-                  </sizepolicy>
-                 </property>
-                 <property name="minimumSize">
-                  <size>
-                   <width>80</width>
-                   <height>0</height>
-                  </size>
-                 </property>
-                 <property name="maximumSize">
-                  <size>
-                   <width>100</width>
-                   <height>16777215</height>
-                  </size>
-                 </property>
-                 <property name="font">
-                  <font>
-                   <pointsize>12</pointsize>
-                  </font>
-                 </property>
-                 <property name="styleSheet">
-                  <string notr="true"/>
-                 </property>
-                 <property name="alignment">
-                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                 </property>
-                 <property name="minimum">
-                  <number>1</number>
-                 </property>
-                 <property name="maximum">
-                  <number>100000000</number>
-                 </property>
-                 <property name="value">
-                  <number>50</number>
-                 </property>
-                </widget>
-               </item>
-               <item>
-                <widget class="QLabel" name="label_2">
-                 <property name="font">
-                  <font>
-                   <pointsize>12</pointsize>
-                   <weight>75</weight>
-                   <bold>true</bold>
-                  </font>
-                 </property>
-                 <property name="text">
-                  <string>ms</string>
-                 </property>
-                </widget>
-               </item>
-               <item>
-                <spacer name="horizontalSpacer_15">
-                 <property name="orientation">
-                  <enum>Qt::Horizontal</enum>
-                 </property>
-                 <property name="sizeHint" stdset="0">
-                  <size>
-                   <width>49</width>
-                   <height>20</height>
-                  </size>
-                 </property>
-                </spacer>
-               </item>
-               <item>
-                <widget class="QLabel" name="label_16">
-                 <property name="sizePolicy">
-                  <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
-                   <horstretch>0</horstretch>
-                   <verstretch>0</verstretch>
-                  </sizepolicy>
-                 </property>
-                 <property name="font">
-                  <font>
-                   <pointsize>12</pointsize>
-                   <weight>75</weight>
-                   <bold>true</bold>
-                  </font>
-                 </property>
-                 <property name="text">
-                  <string>   Confidence %</string>
-                 </property>
-                 <property name="alignment">
-                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                 </property>
-                </widget>
-               </item>
-               <item>
-                <widget class="QSpinBox" name="lower_band_confidence_2">
-                 <property name="enabled">
-                  <bool>false</bool>
-                 </property>
-                 <property name="sizePolicy">
-                  <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
-                   <horstretch>0</horstretch>
-                   <verstretch>0</verstretch>
-                  </sizepolicy>
-                 </property>
-                 <property name="minimumSize">
-                  <size>
-                   <width>60</width>
-                   <height>0</height>
-                  </size>
-                 </property>
-                 <property name="maximumSize">
-                  <size>
-                   <width>50</width>
-                   <height>16777215</height>
-                  </size>
-                 </property>
-                 <property name="font">
-                  <font>
-                   <pointsize>12</pointsize>
-                  </font>
-                 </property>
-                 <property name="styleSheet">
-                  <string notr="true"/>
-                 </property>
-                 <property name="frame">
-                  <bool>false</bool>
-                 </property>
-                 <property name="alignment">
-                  <set>Qt::AlignCenter</set>
-                 </property>
-                 <property name="buttonSymbols">
-                  <enum>QAbstractSpinBox::UpDownArrows</enum>
-                 </property>
-                 <property name="specialValueText">
-                  <string/>
-                 </property>
-                 <property name="maximum">
-                  <number>100</number>
-                 </property>
-                 <property name="value">
-                  <number>0</number>
-                 </property>
-                </widget>
-               </item>
-               <item>
-                <spacer name="horizontalSpacer_14">
-                 <property name="orientation">
-                  <enum>Qt::Horizontal</enum>
-                 </property>
-                 <property name="sizeHint" stdset="0">
-                  <size>
-                   <width>50</width>
-                   <height>20</height>
-                  </size>
-                 </property>
-                </spacer>
-               </item>
-              </layout>
-             </item>
-             <item>
-              <widget class="QLabel" name="acf_range_lbl">
-               <property name="enabled">
-                <bool>false</bool>
-               </property>
-               <property name="sizePolicy">
-                <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
-                 <horstretch>0</horstretch>
-                 <verstretch>0</verstretch>
-                </sizepolicy>
-               </property>
-               <property name="font">
-                <font>
-                 <pointsize>12</pointsize>
-                 <weight>75</weight>
-                 <italic>false</italic>
-                 <bold>true</bold>
-                 <underline>false</underline>
-                </font>
-               </property>
-               <property name="styleSheet">
-                <string notr="true"/>
-               </property>
-               <property name="text">
-                <string>Selected range:
-
-Inactive</string>
-               </property>
-               <property name="alignment">
-                <set>Qt::AlignCenter</set>
-               </property>
-              </widget>
-             </item>
-             <item>
               <widget class="DoubleTextButton" name="apply_remove_acf_filter_btn">
                <property name="font">
                 <font>
@@ -4131,7 +4137,7 @@ Inactive</string>
                </property>
               </widget>
              </item>
-             <item>
+             <item row="4" column="0" colspan="3">
               <widget class="QPushButton" name="reset_acf_filters_btn">
                <property name="font">
                 <font>
@@ -4148,6 +4154,20 @@ Inactive</string>
                </property>
               </widget>
              </item>
+             <item row="0" column="0" colspan="3">
+              <widget class="QPushButton" name="acf_info_btn">
+               <property name="font">
+                <font>
+                 <pointsize>12</pointsize>
+                 <weight>75</weight>
+                 <bold>true</bold>
+                </font>
+               </property>
+               <property name="text">
+                <string>Info</string>
+               </property>
+              </widget>
+             </item>
             </layout>
            </widget>
           </widget>

utilities.py

@@ -8,7 +8,7 @@ from PyQt5.QtWidgets import QMessageBox
 import constants
 
 
-def reset_apply_remove_btn(button):
+def uncheck_and_emit(button):
     if button.isChecked():
         button.setChecked(False)
         button.clicked.emit()
@@ -26,7 +26,7 @@ def checksum_ok(data, what):
     code.update(data)
     if what == constants.ChecksumWhat.FOLDER:
         n = 0
-    elif what == constants.ChecksumWhat.DB:
+    elif what == constants.ChecksumWhat.DB: # This is for a runtime check of db version and suggest an update..
         n = 1
     else:
         raise ValueError("Wrong entry name.")
@@ -40,9 +40,13 @@ def checksum_ok(data, what):
 def is_valid_html_color(color):
     return bool(re.match("#([a-zA-Z0-9]){6}", color))
 
-def connect_to(objects_to_connect, fun_to_connect, fun_args):
+def connect_to(events_to_connect, fun_to_connect, fun_args):
-        for signal in objects_to_connect:
+    if fun_args:
+        for signal in events_to_connect:
             signal.connect(partial(fun_to_connect, *fun_args))
+    else:
+        for signal in events_to_connect:
+            signal.connect(fun_to_connect)
 
 def filters_ok(spinbox, filter_unit, confidence, sign = 1):
         band_filter = spinbox.value() * constants.CONVERSION_FACTORS[filter_unit.currentText()]