Add a getCurrentUser function for further reference

src/platformspecifics/mac/macbackend.cpp

@@ -1,6 +1,7 @@
 #include "macbackend.hpp"
 
 #include <unistd.h>
+#include <pwd.h>
 
 std::tuple<QPoint, QPixmap> PlatformBackend::getCursor() {
 #warning "TODO: Mac backend"
@@ -17,3 +18,16 @@ pid_t PlatformBackend::pid() {
 bool PlatformBackend::filenameValid(QString name) {
     return !name.contains('/');
 }
+
+QString PlatformBackend::getCurrentUser() {
+    auto pwent = getpwent();
+    if(!pwent) {
+        if (qEnvironmentVariableIsSet("USER"))
+            return QString::fromLocal8Bit(qgetenv("USER"));
+        else return QString();
+    }
+    QString ret = QString::fromLocal8Bit(pwent->pw_name);
+    endpwent();
+    return ret;
+}
+

src/platformspecifics/mac/macbackend.hpp

@@ -4,6 +4,7 @@
 #include <QPixmap>
 
 #define PLATFORM_CAPABILITY_PID
+#define PLATFORM_CAPABILITY_CURRENT_USER
 
 class PlatformBackend {
 public:
@@ -14,6 +15,7 @@ public:
         return inst;
     }
     bool filenameValid(QString name);
+    QString getCurrentUser();
 };
 
 #endif // MACBACKEND_HPP

src/platformspecifics/u32/u32backend.cpp

@@ -1,5 +1,6 @@
 #include "u32backend.hpp"
 
+#include <Lmcons.h>
 #include <QCursor>
 #include <QtWin>
 #include <windows.h>
@@ -43,3 +44,12 @@ bool PlatformBackend::filenameValid(QString name) {
     if (periods == name.length()) return false;
     return !illegalNames.contains(name);
 }
+
+QString PlatformBackend::getCurrentUser() {
+    char username[UNLEN + 1];
+    DWORD username_len = UNLEN + 1;
+    GetUserName(username, &username_len);
+    QString userName = QString::fromLocal8Bit(username, username_len);
+    delete[] username;
+    return userName;
+}

src/platformspecifics/u32/u32backend.hpp

@@ -7,6 +7,7 @@
 #define PLATFORM_CAPABILITY_PID
 #define PLATFORM_CAPABILITY_ACTIVEWINDOW
 #define PLATFORM_CAPABILITY_CURSOR
+#define PLATFORM_CAPABILITY_CURRENT_USER
 
 class PlatformBackend {
 public:
@@ -18,6 +19,7 @@ public:
     }
     WId getActiveWID();
     bool filenameValid(QString name);
+    QString getCurrentUser();
 };
 
 #endif // U32BACKEND_HPP

src/platformspecifics/x11/x11backend.cpp

@@ -3,6 +3,7 @@
 #include <QPixmap>
 #include <QX11Info>
 #include <unistd.h>
+#include <pwd.h>
 #include <xcb/xcb_cursor.h>
 #include <xcb/xcb_util.h>
 #include <xcb/xfixes.h>
@@ -28,7 +29,6 @@ pid_t PlatformBackend::pid() {
     return getpid();
 }
 
-
 WId PlatformBackend::getActiveWID() {
     xcb_connection_t *connection = QX11Info::connection();
     xcb_get_input_focus_reply_t *focusReply;
@@ -58,3 +58,15 @@ WId PlatformBackend::getActiveWID() {
 bool PlatformBackend::filenameValid(QString name) {
     return !name.contains('/');
 }
+
+QString PlatformBackend::getCurrentUser() {
+    auto pwent = getpwent();
+    if(!pwent) {
+        if (qEnvironmentVariableIsSet("USER"))
+            return QString::fromLocal8Bit(qgetenv("USER"));
+        else return QString();
+    }
+    QString ret = QString::fromLocal8Bit(pwent->pw_name);
+    endpwent();
+    return ret;
+}

src/platformspecifics/x11/x11backend.hpp

@@ -6,6 +6,7 @@
 #define PLATFORM_CAPABILITY_PID
 #define PLATFORM_CAPABILITY_ACTIVEWINDOW
 #define PLATFORM_CAPABILITY_CURSOR
+#define PLATFORM_CAPABILITY_CURRENT_USER
 
 class PlatformBackend {
 public:
@@ -17,6 +18,7 @@ public:
     }
     WId getActiveWID();
     bool filenameValid(QString name);
+    QString getCurrentUser();
 };
 
 #endif // X11BACKEND_HPP