Better looking player audio + global layout

.gitignore

@@ -3,3 +3,4 @@ Data
 .ipynb_checkpoints
 *.ipynb
 wav_converter.py
+*.txt

audio_player.py

@@ -12,7 +12,7 @@ class AudioPlayer(object):
     is managed internally.
     """
 
-    __time_step = 1000 # Milliseconds.
+    __time_step = 500 # Milliseconds.
     __delay_load_audio = 250 # Milliseconds
 
     def __init__(self, play, pause, stop, volume, audio_progress):
@@ -34,6 +34,7 @@ class AudioPlayer(object):
 
 
     def __set_volume(self):
+        if mixer.get_init():
             mixer.music.set_volume(self.__volume.value() / self.__volume.maximum())
 
     def __reset_audio_widget(self):
@@ -60,7 +61,7 @@ class AudioPlayer(object):
             mixer.Sound(self.__audio_file).get_length() * 1000
         )
 
-    def set_audio_player(self, fname):
+    def set_audio_player(self, fname = ""):
         if self.__load_timer.isActive():
             self.__load_timer.stop()
         self.fname = fname

main.py

@@ -3,7 +3,8 @@ import os
 from pandas import read_csv
 from PyQt5.QtWidgets import (QMainWindow,
                              QApplication,
-                             QMessageBox,)
+                             QMessageBox,
+                             qApp,)
 from PyQt5.QtGui import QPixmap
 from PyQt5 import uic
 from PyQt5.QtCore import QFileInfo, QSize
@@ -20,22 +21,24 @@ class MyApp(QMainWindow, Ui_MainWindow):
         super().__init__()
         self.setupUi(self)
         self.show()
+        self.actionExit.triggered.connect(qApp.quit)
         self.db_version = None
         self.load_db()
         self.display_signals()
         self.search_bar.textChanged.connect(self.display_signals)
         self.result_list.itemSelectionChanged.connect(self.display_specs)
+        self.result_list.currentItemChanged.connect(self.display_specs)
         self.play.setIcon(qta.icon('fa5.play-circle',
-            color = "#999999",
+                                   color = "#4facf1",
-            color_disabled = '#000000'))
+                                   color_disabled = '#7a7a7a'))
         self.play.setIconSize(self.play.size())
         self.pause.setIcon(qta.icon('fa5.pause-circle',
-            color = "#999999",
+                                    color = "#4facf1",
-            color_disabled = '#000000'))
+                                    color_disabled = '#7a7a7a'))
         self.pause.setIconSize(self.pause.size())
         self.stop.setIcon(qta.icon('fa5.stop-circle',
-            color = "#999999",
+                                   color = "#4facf1",
-            color_disabled = '#000000'))
+                                   color_disabled = '#7a7a7a'))
         self.stop.setIconSize(self.stop.size())
         self.audio_widget = AudioPlayer(self.play, 
                                         self.pause, 
@@ -89,13 +92,22 @@ class MyApp(QMainWindow, Ui_MainWindow):
 
     def display_specs(self):
         self.display_spectrogram()
-        self.audio_widget.set_audio_player(self.result_list.currentItem().text())
+        item = self.result_list.currentItem()
+        if item:
+            self.audio_widget.set_audio_player(item.text())
+        else:
+            self.audio_widget.set_audio_player()
 
     def display_spectrogram(self):
-        spectrogram_name = self.result_list.currentItem().text()
+        default_pic = os.path.join("icons_imgs", "image_not_found.png")
+        item = self.result_list.currentItem()
+        if item:
+            spectrogram_name = item.text()
             path_spectr = os.path.join("Data", "Spectra", spectrogram_name + ".jpg")
             if not QFileInfo(path_spectr).exists():
-            path_spectr = os.path.join("icons_imgs", "image_not_found.png")
+                path_spectr = default_pic
+        else:
+            path_spectr = default_pic
         self.spectrogram.setPixmap(QPixmap(path_spectr))
 
 

main_window.ui

@@ -39,12 +39,12 @@ QProgressBar::chunk {
 	background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #1d5eff, stop:0.5 #4177ff, stop:1 #1d5eff);
 	border-radius: 3px;
 }
-/*
+
 QAbstractScrollArea::corner {
     background: none;
     border: none;
 }
-*/
+
 QScrollBar:vertical, QScrollBar:horizontal{
 	background-color:#343434;
 	border-radius: 5px;
@@ -111,15 +111,9 @@ QScrollBar::sub-page:horizontal{
 }</string>
   </property>
   <widget class="QWidget" name="centralwidget">
-   <layout class="QGridLayout" name="gridLayout_2">
+   <layout class="QHBoxLayout" name="horizontalLayout_2">
-    <item row="0" column="0">
+    <item>
      <widget class="QSplitter" name="splitter">
-      <property name="sizePolicy">
-       <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
-        <horstretch>0</horstretch>
-        <verstretch>0</verstretch>
-       </sizepolicy>
-      </property>
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
@@ -314,14 +308,55 @@ QTabBar::tab:!selected {
         <attribute name="title">
          <string>Main</string>
         </attribute>
-        <widget class="QWidget" name="layoutWidget">
+       </widget>
-         <property name="geometry">
+       <widget class="QWidget" name="tab_2">
-          <rect>
+        <attribute name="title">
-           <x>270</x>
+         <string>Filters</string>
-           <y>110</y>
+        </attribute>
-           <width>161</width>
+       </widget>
-           <height>491</height>
+      </widget>
-          </rect>
+     </widget>
+    </item>
+    <item>
+     <widget class="QWidget" name="widget_2" native="true">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
+      <property name="minimumSize">
+       <size>
+        <width>170</width>
+        <height>0</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>153</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <property name="styleSheet">
+       <string notr="true">QWidget {
+background-color:rgb(52,52,52);
+border: 1px solid gray;
+border-radius: 8px;
+}
+QProgressBar {
+    border: 2px #7a7a7a;
+	border-radius: 3px;
+	background-color:  #7a7a7a;
+}
+
+QProgressBar::chunk {
+    /*background-color: #1d5eff;*/
+	background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #1d5eff, stop:0.5 #4177ff, stop:1 #1d5eff);
+	border-radius: 3px;
+}
+QLabel, QPushButton, QSlider {
+	border: 0px;
+}</string>
       </property>
       <layout class="QVBoxLayout" name="verticalLayout">
        <item>
@@ -333,12 +368,17 @@ QTabBar::tab:!selected {
           </sizepolicy>
          </property>
          <property name="styleSheet">
-             <string notr="true">QPushButton {
+          <string notr="true">
+QWidget {
+	border: 0px;
+}
+QPushButton {
 	/*background-color: #1d5eff;*/
-    border: 1px solid gray;
+    border: 0px solid gray;
 	border-color: #1d5eff;
     border-radius: 20px;
 }
+
 /*
 QPushButton:disabled {
 	background-color: #7a7a7a;
@@ -518,7 +558,7 @@ QSlider::handle:horizontal {
        <item>
         <widget class="QLabel" name="spectrogram">
          <property name="sizePolicy">
-             <sizepolicy hsizetype="Fixed" vsizetype="Expanding">
+          <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
@@ -526,12 +566,18 @@ QSlider::handle:horizontal {
          <property name="minimumSize">
           <size>
            <width>153</width>
-              <height>100</height>
+           <height>350</height>
           </size>
          </property>
+         <property name="toolTip">
+          <string>Signal waterfall</string>
+         </property>
          <property name="text">
           <string/>
          </property>
+         <property name="pixmap">
+          <pixmap>icons_imgs/image_not_found.png</pixmap>
+         </property>
          <property name="scaledContents">
           <bool>true</bool>
          </property>
@@ -539,14 +585,6 @@ QSlider::handle:horizontal {
        </item>
       </layout>
      </widget>
-       </widget>
-       <widget class="QWidget" name="tab_2">
-        <attribute name="title">
-         <string>Filters</string>
-        </attribute>
-       </widget>
-      </widget>
-     </widget>
     </item>
    </layout>
   </widget>