From 657cf32cb57257556c26f702e9e09b0edb15f350 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Wed, 30 Oct 2013 23:09:36 +0100
Subject: make standalone libopentrack-api.so work

---
 opentrack-api/context.cpp      | 20 +++++++++++---------
 opentrack-api/opentrack-guts.h | 27 +++++++++++++++++----------
 opentrack-api/opentrack.h      |  6 +++---
 opentrack-api/trackers.cpp     |  9 +++++----
 4 files changed, 36 insertions(+), 26 deletions(-)

(limited to 'opentrack-api')

diff --git a/opentrack-api/context.cpp b/opentrack-api/context.cpp
index 9b8aa718..e0fd5357 100644
--- a/opentrack-api/context.cpp
+++ b/opentrack-api/context.cpp
@@ -27,10 +27,12 @@ static Metadata* get_metadata(DynamicLibrary* lib, QString& longName, QIcon& ico
     return meta;
 }
 
-static QList<opentrack_meta> list_files(QDir& dir, QString filter)
+static QList<opentrack_meta> list_files(QString filter)
 {
     QList<opentrack_meta> ret;
-    QStringList filenames = dir.entryList( QStringList() << (LIB_PREFIX + filter + ("*." SONAME)), QDir::Files, QDir::Name );
+    QStringList filenames = QDir((qApp->applicationDirPath())).entryList(
+                QStringList() << (LIB_PREFIX + filter + ("*." SONAME)),
+                QDir::Files, QDir::Name );
     for ( int i = 0; i < filenames.size(); i++) {
         QIcon icon;
         QString long_name;
@@ -49,7 +51,7 @@ static QList<opentrack_meta> list_files(QDir& dir, QString filter)
         if (str.size() > prefix.size() + suffix.size() && str.startsWith(prefix) && str.endsWith(suffix))
         {
             auto str2 = str.mid(prefix.size(), str.size() - prefix.size() - suffix.size());
-            opentrack_meta item(meta, str2, lib);
+            opentrack_meta item(str2, lib);
             ret.push_back(item);
         }
     }
@@ -57,9 +59,10 @@ static QList<opentrack_meta> list_files(QDir& dir, QString filter)
     return ret;
 }
 
-opentrack_ctx::opentrack_ctx(QDir& dir) :
-    dir(dir),
-    meta_list(list_files(dir, "opentrack-tracker-"))
+opentrack_ctx::opentrack_ctx(int argc, char** argv, void* window_parent) :
+    app(argc, argv),
+    meta_list(list_files("opentrack-tracker-")),
+    fake_frame(window_parent)
 {
     const int count = meta_list.size();
     list = new char*[count + 1];
@@ -93,10 +96,9 @@ const char** opentrack_enum_trackers(opentrack ctx)
     return const_cast<const char**>(ctx->list);
 }
 
-opentrack opentrack_make_ctx(const char *dir)
+opentrack opentrack_make_ctx(int argc, char** argv, void* window_parent)
 {
-    QDir d(dir);
-    return new opentrack_ctx(d);
+    return new opentrack_ctx(argc, argv, window_parent);
 }
 
 void opentrack_finalize_ctx(opentrack foo)
diff --git a/opentrack-api/opentrack-guts.h b/opentrack-api/opentrack-guts.h
index b9c3878b..fd94ea34 100644
--- a/opentrack-api/opentrack-guts.h
+++ b/opentrack-api/opentrack-guts.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <QFrame>
 #include <QDir>
 #include <QList>
 #include <QStringList>
@@ -8,33 +9,39 @@
 #include <iostream>
 #include <cstring>
 #include <QString>
+#include <QApplication>
 #include "ftnoir_tracker_base/ftnoir_tracker_base.h"
 #include "facetracknoir/global-settings.h"
+#include <memory>
 
 typedef ITracker* opentrack_tracker;
 
 class opentrack_meta {
 public:
-    Metadata* meta;
     QString path;
-    DynamicLibrary* lib;
+    std::shared_ptr<DynamicLibrary> lib;
 
-    opentrack_meta(Metadata* meta, QString& path, DynamicLibrary* lib) :
-        meta(meta), path(path), lib(lib)
+    opentrack_meta(QString& path, DynamicLibrary* lib) :
+        path(path), lib(lib)
     {}
-    ~opentrack_meta()
+};
+
+class MyFrame : public QFrame {
+    Q_OBJECT
+public:
+    MyFrame(void* parent)
     {
-        delete meta;
-        delete lib;
+        create((WId) parent);
     }
+    explicit MyFrame() {}
 };
 
 typedef class opentrack_ctx {
 public:
-    QDir dir;
+    QApplication app;
     char** list;
     QList<opentrack_meta> meta_list;
-    QFrame fake_frame;
-    opentrack_ctx(QDir& dir);
+    MyFrame fake_frame;
+    opentrack_ctx(int argc, char** argv, void* window_parent);
     ~opentrack_ctx();
 } *opentrack;
diff --git a/opentrack-api/opentrack.h b/opentrack-api/opentrack.h
index 1c8fcee5..63136abc 100644
--- a/opentrack-api/opentrack.h
+++ b/opentrack-api/opentrack.h
@@ -6,9 +6,9 @@ extern "C" {
 #ifndef IN_OPENTRACK
 /* opaque pointers, forward definitions */
 struct opentrack_opaque_ctx;
-typedef opentrack_opaque_ctx* opentrack;
+typedef struct opentrack_opaque_ctx* opentrack;
 struct opentrack_opaque_tracker;
-typedef opentrack_opaque_tracker* opentrack_tracker;
+typedef struct opentrack_opaque_tracker* opentrack_tracker;
 #endif
 
 #ifdef IN_OPENTRACK
@@ -42,7 +42,7 @@ enum opentrack_dof {
 };
 #endif
 
-opentrack opentrack_make_ctx(const char* dir);
+opentrack opentrack_make_ctx(int argc, char** argv, void* window_parent);
 void opentrack_finalize_ctx(opentrack self);
 
 /* no need to free the return value; invalid to modify it */
diff --git a/opentrack-api/trackers.cpp b/opentrack-api/trackers.cpp
index 2527017b..0f698e4c 100644
--- a/opentrack-api/trackers.cpp
+++ b/opentrack-api/trackers.cpp
@@ -5,13 +5,12 @@ extern "C" {
 
 opentrack_tracker OPENTRACK_EXPORT opentrack_make_tracker(opentrack ctx, const char* name)
 {
-    QString n(name);
     for (int i = 0; i < ctx->meta_list.size(); i++)
     {
-        auto meta = ctx->meta_list[i];
+        auto meta = ctx->meta_list.at(i);
         if (ctx->meta_list.at(i).path == name)
         {
-            ITracker* foo = reinterpret_cast<ITracker*>(meta.lib->Constructor());
+            ITracker* foo = static_cast<ITracker*>(meta.lib->Constructor());
             return foo;
         }
     }
@@ -32,7 +31,9 @@ void OPENTRACK_EXPORT opentrack_tracker_start(opentrack self, opentrack_tracker
 
 int OPENTRACK_EXPORT opentrack_tracker_tick(opentrack_tracker tracker, double* headpose)
 {
-    return tracker->GiveHeadPoseData(headpose);
+    int ret = tracker->GiveHeadPoseData(headpose);
+    QApplication::processEvents(0, 5);
+    return ret;
 }
 
 }
-- 
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