allow more granular values in spinboxes

Some frequencies such as 1575,42M (GPS) are not representable
by four decimals with the higher suffix (1,57542G).
This commit adapts the number of decimals to the actual value.
The maximum number of decimals is capped at 10.

data/ui/modulation.ui

@@ -240,7 +240,7 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>400</width>
+            <width>373</width>
             <height>330</height>
            </rect>
           </property>
@@ -485,7 +485,7 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>380</width>
+            <width>373</width>
             <height>141</height>
            </rect>
           </property>
@@ -499,7 +499,7 @@
               </sizepolicy>
              </property>
              <property name="decimals">
-              <number>3</number>
+              <number>10</number>
              </property>
              <property name="minimum">
               <double>0.001000000000000</double>
@@ -594,7 +594,7 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>380</width>
+            <width>353</width>
             <height>143</height>
            </rect>
           </property>
@@ -624,7 +624,7 @@
               <string/>
              </property>
              <property name="decimals">
-              <number>3</number>
+              <number>10</number>
              </property>
              <property name="minimum">
               <double>0.000000000000000</double>
@@ -831,7 +831,7 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>400</width>
+            <width>353</width>
             <height>227</height>
            </rect>
           </property>
@@ -1084,16 +1084,16 @@
   </layout>
  </widget>
  <customwidgets>
-  <customwidget>
-   <class>ZoomableGraphicView</class>
-   <extends>QGraphicsView</extends>
-   <header>urh.ui.views.ZoomableGraphicView.h</header>
-  </customwidget>
   <customwidget>
    <class>KillerDoubleSpinBox</class>
    <extends>QDoubleSpinBox</extends>
    <header>urh.ui.KillerDoubleSpinBox.h</header>
   </customwidget>
+  <customwidget>
+   <class>ZoomableGraphicView</class>
+   <extends>QGraphicsView</extends>
+   <header>urh.ui.views.ZoomableGraphicView.h</header>
+  </customwidget>
   <customwidget>
    <class>ZoomAndDropableGraphicView</class>
    <extends>QGraphicsView</extends>

data/ui/send_recv_device_settings.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>860</width>
-    <height>711</height>
+    <height>754</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -230,14 +230,17 @@ QGroupBox::indicator:checked {
          <item row="7" column="1">
           <widget class="KillerDoubleSpinBox" name="spinBoxFreq">
            <property name="decimals">
-            <number>3</number>
+            <number>10</number>
            </property>
            <property name="minimum">
             <double>0.001000000000000</double>
            </property>
            <property name="maximum">
             <double>1000000000000.000000000000000</double>
            </property>
+           <property name="value">
+            <double>433920000.000000000000000</double>
+           </property>
           </widget>
          </item>
          <item row="4" column="0">
@@ -483,7 +486,7 @@ QGroupBox::indicator:checked {
          <item row="8" column="1">
           <widget class="KillerDoubleSpinBox" name="spinBoxSampleRate">
            <property name="decimals">
-            <number>3</number>
+            <number>10</number>
            </property>
            <property name="minimum">
             <double>0.001000000000000</double>
@@ -496,7 +499,7 @@ QGroupBox::indicator:checked {
          <item row="9" column="1">
           <widget class="KillerDoubleSpinBox" name="spinBoxBandwidth">
            <property name="decimals">
-            <number>3</number>
+            <number>10</number>
            </property>
            <property name="minimum">
             <double>0.001000000000000</double>

src/urh/ui/KillerDoubleSpinBox.py

@@ -1,3 +1,5 @@
+import string
+
 from PyQt5.QtCore import QLocale
 from PyQt5.QtCore import QRegExp
 from PyQt5.QtGui import QValidator
@@ -40,13 +42,22 @@ def adjust_step(self):
 
     def textFromValue(self, value: float):
         if abs(value) >= 10 ** 9:
-            return super().textFromValue(value / 10 ** 9) + "G"
+            result, suffix = super().textFromValue(value / 10 ** 9), "G"
         elif abs(value) >= 10 ** 6:
-            return super().textFromValue(value / 10 ** 6) + "M"
+            result, suffix = super().textFromValue(value / 10 ** 6), "M"
         elif abs(value) >= 10 ** 3:
-            return super().textFromValue(value / 10 ** 3) + "K"
+            result, suffix = super().textFromValue(value / 10 ** 3), "K"
         else:
-            return super().textFromValue(value)
+            result, suffix = super().textFromValue(value), ""
+
+        result = result.rstrip("0")
+        if len(result) == 0:
+            return result
+
+        if result[-1] not in string.digits:
+            result += "0"
+
+        return result + suffix
 
     def valueFromText(self, text: str):
         if text.endswith("G") or text.endswith("g"):

src/urh/ui/ui_modulation.py

@@ -105,7 +105,7 @@ def setupUi(self, DialogModulation):
         self.scrollArea_5.setWidgetResizable(True)
         self.scrollArea_5.setObjectName("scrollArea_5")
         self.scrollAreaWidgetContents_5 = QtWidgets.QWidget()
-        self.scrollAreaWidgetContents_5.setGeometry(QtCore.QRect(0, 0, 400, 330))
+        self.scrollAreaWidgetContents_5.setGeometry(QtCore.QRect(0, 0, 373, 330))
         self.scrollAreaWidgetContents_5.setObjectName("scrollAreaWidgetContents_5")
         self.gridLayout_4 = QtWidgets.QGridLayout(self.scrollAreaWidgetContents_5)
         self.gridLayout_4.setObjectName("gridLayout_4")
@@ -225,7 +225,7 @@ def setupUi(self, DialogModulation):
         self.scrollArea_3.setWidgetResizable(True)
         self.scrollArea_3.setObjectName("scrollArea_3")
         self.scrollAreaWidgetContents_3 = QtWidgets.QWidget()
-        self.scrollAreaWidgetContents_3.setGeometry(QtCore.QRect(0, 0, 380, 141))
+        self.scrollAreaWidgetContents_3.setGeometry(QtCore.QRect(0, 0, 373, 141))
         self.scrollAreaWidgetContents_3.setObjectName("scrollAreaWidgetContents_3")
         self.gridLayout_2 = QtWidgets.QGridLayout(self.scrollAreaWidgetContents_3)
         self.gridLayout_2.setObjectName("gridLayout_2")
@@ -235,7 +235,7 @@ def setupUi(self, DialogModulation):
         sizePolicy.setVerticalStretch(0)
         sizePolicy.setHeightForWidth(self.spinBoxSampleRate.sizePolicy().hasHeightForWidth())
         self.spinBoxSampleRate.setSizePolicy(sizePolicy)
-        self.spinBoxSampleRate.setDecimals(3)
+        self.spinBoxSampleRate.setDecimals(10)
         self.spinBoxSampleRate.setMinimum(0.001)
         self.spinBoxSampleRate.setMaximum(999999999.0)
         self.spinBoxSampleRate.setObjectName("spinBoxSampleRate")
@@ -283,7 +283,7 @@ def setupUi(self, DialogModulation):
         self.scrollArea_2.setWidgetResizable(True)
         self.scrollArea_2.setObjectName("scrollArea_2")
         self.scrollAreaWidgetContents = QtWidgets.QWidget()
-        self.scrollAreaWidgetContents.setGeometry(QtCore.QRect(0, 0, 380, 143))
+        self.scrollAreaWidgetContents.setGeometry(QtCore.QRect(0, 0, 353, 143))
         self.scrollAreaWidgetContents.setObjectName("scrollAreaWidgetContents")
         self.gridLayout = QtWidgets.QGridLayout(self.scrollAreaWidgetContents)
         self.gridLayout.setObjectName("gridLayout")
@@ -302,7 +302,7 @@ def setupUi(self, DialogModulation):
         sizePolicy.setHeightForWidth(self.doubleSpinBoxCarrierFreq.sizePolicy().hasHeightForWidth())
         self.doubleSpinBoxCarrierFreq.setSizePolicy(sizePolicy)
         self.doubleSpinBoxCarrierFreq.setSuffix("")
-        self.doubleSpinBoxCarrierFreq.setDecimals(3)
+        self.doubleSpinBoxCarrierFreq.setDecimals(10)
         self.doubleSpinBoxCarrierFreq.setMinimum(0.0)
         self.doubleSpinBoxCarrierFreq.setMaximum(99999999999.0)
         self.doubleSpinBoxCarrierFreq.setObjectName("doubleSpinBoxCarrierFreq")
@@ -397,7 +397,7 @@ def setupUi(self, DialogModulation):
         self.scrollArea_4.setWidgetResizable(True)
         self.scrollArea_4.setObjectName("scrollArea_4")
         self.scrollAreaWidgetContents_4 = QtWidgets.QWidget()
-        self.scrollAreaWidgetContents_4.setGeometry(QtCore.QRect(0, 0, 400, 227))
+        self.scrollAreaWidgetContents_4.setGeometry(QtCore.QRect(0, 0, 353, 227))
         self.scrollAreaWidgetContents_4.setObjectName("scrollAreaWidgetContents_4")
         self.gridLayout_3 = QtWidgets.QGridLayout(self.scrollAreaWidgetContents_4)
         self.gridLayout_3.setObjectName("gridLayout_3")

src/urh/ui/ui_send_recv_device_settings.py

@@ -11,7 +11,7 @@
 class Ui_FormDeviceSettings(object):
     def setupUi(self, FormDeviceSettings):
         FormDeviceSettings.setObjectName("FormDeviceSettings")
-        FormDeviceSettings.resize(860, 711)
+        FormDeviceSettings.resize(860, 754)
         self.verticalLayout = QtWidgets.QVBoxLayout(FormDeviceSettings)
         self.verticalLayout.setContentsMargins(0, 0, 0, 0)
         self.verticalLayout.setObjectName("verticalLayout")
@@ -110,9 +110,10 @@ def setupUi(self, FormDeviceSettings):
         self.label_3.setObjectName("label_3")
         self.gridLayout.addWidget(self.label_3, 0, 0, 1, 1)
         self.spinBoxFreq = KillerDoubleSpinBox(self.frame_2)
-        self.spinBoxFreq.setDecimals(3)
+        self.spinBoxFreq.setDecimals(10)
         self.spinBoxFreq.setMinimum(0.001)
         self.spinBoxFreq.setMaximum(1000000000000.0)
+        self.spinBoxFreq.setProperty("value", 433920000.0)
         self.spinBoxFreq.setObjectName("spinBoxFreq")
         self.gridLayout.addWidget(self.spinBoxFreq, 7, 1, 1, 1)
         self.labelAntenna = QtWidgets.QLabel(self.frame_2)
@@ -228,13 +229,13 @@ def setupUi(self, FormDeviceSettings):
         self.spinBoxNRepeat.setObjectName("spinBoxNRepeat")
         self.gridLayout.addWidget(self.spinBoxNRepeat, 15, 1, 1, 1)
         self.spinBoxSampleRate = KillerDoubleSpinBox(self.frame_2)
-        self.spinBoxSampleRate.setDecimals(3)
+        self.spinBoxSampleRate.setDecimals(10)
         self.spinBoxSampleRate.setMinimum(0.001)
         self.spinBoxSampleRate.setMaximum(1000000000000.0)
         self.spinBoxSampleRate.setObjectName("spinBoxSampleRate")
         self.gridLayout.addWidget(self.spinBoxSampleRate, 8, 1, 1, 1)
         self.spinBoxBandwidth = KillerDoubleSpinBox(self.frame_2)
-        self.spinBoxBandwidth.setDecimals(3)
+        self.spinBoxBandwidth.setDecimals(10)
         self.spinBoxBandwidth.setMinimum(0.001)
         self.spinBoxBandwidth.setMaximum(1000000000000.0)
         self.spinBoxBandwidth.setObjectName("spinBoxBandwidth")