From 9a0cb353b8a19b186fe3c9138e058779cd53bd33 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Thu, 13 Aug 2015 10:53:19 +0200
Subject: initial broken multi-platform process lister

---
 facetracknoir/process_detector.cpp |  34 +-----------
 facetracknoir/process_detector.h   |  17 ------
 opentrack-compat/process-list.hpp  | 105 +++++++++++++++++++++++++++++++++++++
 3 files changed, 106 insertions(+), 50 deletions(-)
 mode change 100644 => 100755 facetracknoir/process_detector.cpp
 mode change 100644 => 100755 facetracknoir/process_detector.h
 create mode 100755 opentrack-compat/process-list.hpp

diff --git a/facetracknoir/process_detector.cpp b/facetracknoir/process_detector.cpp
old mode 100644
new mode 100755
index df38eb29..19611241
--- a/facetracknoir/process_detector.cpp
+++ b/facetracknoir/process_detector.cpp
@@ -8,6 +8,7 @@
 
 #include "process_detector.h"
 #include "facetracknoir/ui.h"
+#include "opentrack-compat/process-list.hpp"
 #include <QList>
 #include <QFileDialog>
 #include <QComboBox>
@@ -153,36 +154,6 @@ void process_detector::remove()
         ui.tableWidget->removeRow(r);
 }
 
-#ifdef _WIN32
-
-#include <windows.h>
-#include <TlHelp32.h>
-
-static QStringList get_all_executable_names()
-{
-    QStringList ret;
-    HANDLE h = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
-    if (h == INVALID_HANDLE_VALUE)
-        return ret;
-    
-    PROCESSENTRY32 e;
-    e.dwSize = sizeof(e);
-
-    if (Process32First(h, &e) != TRUE)
-    {
-        CloseHandle(h);
-        return ret;
-    }
-    
-    do {
-        ret.append(e.szExeFile);
-    } while (Process32Next(h, &e) == TRUE);
-        
-    CloseHandle(h);
-    
-    return ret;
-}
-
 bool process_detector_worker::should_stop()
 {
     if (last_exe_name == "")
@@ -237,6 +208,3 @@ bool process_detector_worker::config_to_start(QString& str)
     
     return false;
 }
-
-
-#endif
diff --git a/facetracknoir/process_detector.h b/facetracknoir/process_detector.h
old mode 100644
new mode 100755
index 792a941f..f6497c90
--- a/facetracknoir/process_detector.h
+++ b/facetracknoir/process_detector.h
@@ -74,8 +74,6 @@ public slots:
     void browse();
 };
 
-#ifdef _WIN32
-
 class process_detector_worker : QObject
 {
     Q_OBJECT
@@ -86,18 +84,3 @@ public:
     bool should_stop();
 };
 
-#else
-
-class process_detector_worker : QObject
-{
-    Q_OBJECT
-public:
-    bool config_to_start(QString&)
-    {
-        return false;
-    }
-    bool should_stop() { return false; }
-
-};
-
-#endif
diff --git a/opentrack-compat/process-list.hpp b/opentrack-compat/process-list.hpp
new file mode 100755
index 00000000..a00cbb17
--- /dev/null
+++ b/opentrack-compat/process-list.hpp
@@ -0,0 +1,105 @@
+#pragma once
+
+#include <QDebug>
+#include <QStringList>
+
+#if defined _WIN32
+
+#include <windows.h>
+#include <TlHelp32.h>
+
+template<typename = void>
+static QStringList get_all_executable_names()
+{
+    QStringList ret;
+    HANDLE h = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+    if (h == INVALID_HANDLE_VALUE)
+        return ret;
+
+    PROCESSENTRY32 e;
+    e.dwSize = sizeof(e);
+
+    if (Process32First(h, &e) != TRUE)
+    {
+        CloseHandle(h);
+        return ret;
+    }
+
+    do {
+        ret.append(e.szExeFile);
+    } while (Process32Next(h, &e) == TRUE);
+
+    CloseHandle(h);
+
+    return ret;
+}
+#elif defined __APPLE__
+#include <libproc.h>
+#include <sys/param.h>
+#include <cerrno>
+#include <vector>
+
+// link to libproc
+template<typename = void>
+static QStringList get_all_executable_names()
+{
+    QStringList ret;
+    std::vector<int> vec;
+
+    while (true)
+    {
+        int numproc = proc_listpids(PROC_ALL_PIDS, 0, nullptr, 0);
+        if (numproc == -1)
+        {
+            qDebug() << "numproc failed" << errno;
+            break;
+        }
+        vec.resize(numproc);
+        int cnt = proc_listpids(PROC_ALL_PIDS, 0, &vec[0], sizeof(int) * numproc);
+        if (cnt <= numproc)
+        {
+            char name[2 * 2 * MAXCOMLEN + 1];
+            for (int i = 0; i < cnt; i++)
+            {
+                int ret = proc_name(vec[i], name, sizeof(name)-1);
+                if (ret <= 0)
+                    continue;
+                name[ret] = '\0';
+                ret.append(name);
+            }
+            return ret;
+        }
+    }
+}
+
+#elif defined __linux
+
+// link to procps
+#include <proc/readproc.h>
+#include <cerrno>
+template<typename = void>
+static QStringList get_all_executable_names()
+{
+    QStringList ret;
+    proc_t** procs = readproctab(PROC_FILLCOM);
+    if (procs == nullptr)
+    {
+        qDebug() << "readproctab" << errno;
+        return ret;
+    }
+    for (int i = 0; procs[i]; i++)
+    {
+        auto& proc = *procs[i];
+        ret.append(proc.cmd);
+    }
+    freeproctab(procs);
+    return ret;
+}
+
+#else
+template<typename = void>
+static QStringList get_all_executable_names()
+{
+    return QStringList();
+}
+#endif
-- 
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