damc_gui: set sliders to 0 on double click

amurzeau · Jul 16, 2023 · d0317f4 · d0317f4
1 parent 6c97ef7
commit d0317f4
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Showing 3 changed files with 52 additions and 15 deletions.
diff --git a/damc_gui/DoubleClickSlider.cpp b/damc_gui/DoubleClickSlider.cpp
@@ -0,0 +1,19 @@
+// From https://stackoverflow.com/questions/52550633/how-to-emit-a-signal-if-double-clicking-on-slider-handle
+
+#include "DoubleClickSlider.h"
+#include <QStyleOption>
+
+DoubleClickSlider::DoubleClickSlider(QWidget* parent) : QSlider(parent) {}
+
+void DoubleClickSlider::mouseDoubleClickEvent(QMouseEvent* event) {
+	QStyleOptionSlider opt;
+	this->initStyleOption(&opt);
+	QRect sr = this->style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);
+
+	if(sr.contains(event->pos())) {
+		printf("Set slider to 0\n");
+		setValue(0);
+	} else {
+		QSlider::mouseDoubleClickEvent(event);
+	}
+}
diff --git a/damc_gui/DoubleClickSlider.h b/damc_gui/DoubleClickSlider.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include <QMouseEvent>
+#include <QSlider>
+
+class DoubleClickSlider : public QSlider {
+	Q_OBJECT
+public:
+	DoubleClickSlider(QWidget* parent = nullptr);
+
+protected:
+	void mouseDoubleClickEvent(QMouseEvent* event) override;
+};
diff --git a/damc_gui/OutputController.ui b/damc_gui/OutputController.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>62</width>
+    <width>70</width>
     <height>391</height>
    </rect>
   </property>
@@ -94,6 +94,19 @@
          <property name="bottomMargin">
           <number>0</number>
          </property>
+         <item>
+          <spacer name="horizontalSpacer">
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>77</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
          <item>
           <widget class="QWidget" name="levelContainer" native="true">
            <layout class="QHBoxLayout" name="levelContainerLayout">
@@ -116,20 +129,7 @@
           </widget>
          </item>
          <item>
-          <spacer name="horizontalSpacer">
-           <property name="orientation">
-            <enum>Qt::Horizontal</enum>
-           </property>
-           <property name="sizeHint" stdset="0">
-            <size>
-             <width>77</width>
-             <height>20</height>
-            </size>
-           </property>
-          </spacer>
-         </item>
-         <item>
-          <widget class="QSlider" name="volumeSlider">
+          <widget class="DoubleClickSlider" name="volumeSlider">
            <property name="minimum">
             <number>-80</number>
            </property>
@@ -365,6 +365,11 @@
    <header>FastLabelWidget.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>DoubleClickSlider</class>
+   <extends>QSlider</extends>
+   <header>DoubleClickSlider.h</header>
+  </customwidget>
  </customwidgets>
  <tabstops>
   <tabstop>muteButton</tabstop>