Add simple push to talk with P

Fixes #734

src/core.h

@@ -123,6 +123,8 @@ public slots:
     static void disableGroupCallVol(int groupId);
     static void enableGroupCallMic(int groupId);
     static void enableGroupCallVol(int groupId);
+    static bool isGroupCallMicEnabled(int groupId);
+    static bool isGroupCallVolEnabled(int groupId);
 
     void setPassword(QString& password, PasswordType passtype, uint8_t* salt = nullptr);
     void clearPassword(PasswordType passtype);

src/coreav.cpp

@@ -690,3 +690,13 @@ void Core::enableGroupCallVol(int groupId)
 {
     groupCalls[groupId].muteVol = false;
 }
+
+bool Core::isGroupCallMicEnabled(int groupId)
+{
+    return !groupCalls[groupId].muteMic;
+}
+
+bool Core::isGroupCallVolEnabled(int groupId)
+{
+    return !groupCalls[groupId].muteVol;
+}

src/widget/form/groupchatform.cpp

@@ -28,6 +28,7 @@
 #include <QDragEnterEvent>
 #include "src/historykeeper.h"
 #include "src/misc/flowlayout.h"
+#include <QDebug>
 
 GroupChatForm::GroupChatForm(Group* chatGroup)
     : group(chatGroup), inCall{false}
@@ -203,3 +204,39 @@ void GroupChatForm::onCallClicked()
         inCall = false;
     }
 }
+
+void GroupChatForm::keyPressEvent(QKeyEvent* ev)
+{
+    qDebug() << "Press:"<<ev->key();
+    // Push to talk
+    if (ev->key() == Qt::Key_P && inCall)
+    {
+        qDebug() << "Press:"<<ev->key();
+        Core* core = Core::getInstance();
+        if (!core->isGroupCallMicEnabled(group->groupId))
+        {
+            qDebug() << "Press:"<<ev->key();
+            core->enableGroupCallMic(group->groupId);
+            micButton->setObjectName("green");
+            micButton->style()->polish(micButton);
+            Style::repolish(micButton);
+        }
+    }
+}
+
+void GroupChatForm::keyReleaseEvent(QKeyEvent* ev)
+{
+    qDebug() << "Release:"<<ev->key();
+    // Push to talk
+    if (ev->key() == Qt::Key_P && inCall)
+    {
+        Core* core = Core::getInstance();
+        if (core->isGroupCallMicEnabled(group->groupId))
+        {
+            core->disableGroupCallMic(group->groupId);
+            micButton->setObjectName("red");
+            micButton->style()->polish(micButton);
+            Style::repolish(micButton);
+        }
+    }
+}

src/widget/form/groupchatform.h

@@ -42,6 +42,8 @@ protected:
     // drag & drop
     void dragEnterEvent(QDragEnterEvent* ev);
     void dropEvent(QDropEvent* ev);
+    void keyPressEvent(QKeyEvent* ev);
+    void keyReleaseEvent(QKeyEvent* ev);
 
 private:
     Group* group;