Merge branch 'unstable' into trackhat

* unstable: (140 commits)
  tracker/pt: increase auto threshold bucket size again
  tracker/pt: limit max amount of extracted blobs
  gui: don't update main window if we're minimized
  tracker/pt: only show widget if the frame is visible
  tracker/pt: don't resize twice in widget
  freetrack/games: regen
  contrib/make-csv: perl sort isn't stable, don't ignore case
  tracker/pt: avoid widget temp QImage allocation
  spline-widget: oops, pass by reference
  tracker/pt: don't allocate temporary dynamic size arrays
  tracker/pt: don't copy points array needlessly
  tracker/pt: don't allocate temporary frame
  tracker/pt: cv::Mat::at<T> is slow, use cv::Mat::ptr
  tracker/pt: avoid widget malloc when able
  tracker/pt: optimize widget
  tracker/pt: update video widget at 40 -> 50 ms
  cmake/mingw-w64: update
  tracker/pt: reduce mutex contention
  gui: fix left margin
  tracker/pt: remove krap
  tracker/pt: move ctor out of the loop
  tracker/pt: nix unused
  tracker/pt: don't fill mask on frame
  pose-widget: also bilinear interpolation of alpha value
  ui: adjust margin
  ui: make more compact
  glwidget: use transparent octopus background
  api/mat: fix typos/breakage
  api/joy: refresh only manually on certain events
  pt: histogram more granular 6 -> 8
  cmake/api: link with strmiids.lib on win32
  tracker/pt: reduce auto thresholding histogram bucket size
  api/keys: prevent idempotent keys
  api/joy: move from header
  api/joy: prevent idempotent keypressed passed to receiver
  compat/options: get rid of std::string usage
  compat/options: move from header
  gui/settings: set parent, otherwise not modal
  gui/settings: don't forget to show a modal dialog before executing
  gui/main: don't raise a new window, it's enough to set visible
  api/joy: speed up poll_axis path
  api/joy: nix static, now that we're not a singleton
  tracker/joy: adapt to non-singleton joy worker
  joystick: no longer singleton, use fake window handle
  api/keys: use a fake window for DirectInput handle
  gui/keys: allow for pausing global keystrokes for options dialog
  api/keys: nix tautological #ifdef
  contrib/aruco: oops, right extension
  contrib/aruco: use @frost555's marker image
  api/camera-names: move to compat/
  ...

1 files changed, 100 insertions, 0 deletions

diff --git a/opentrack/win32-joystick.hpp b/opentrack/win32-joystick.hpp
new file mode 100644
index 00000000..9c888326
--- /dev/null
+++ b/opentrack/win32-joystick.hpp
@@ -0,0 +1,100 @@
+#pragma once
+
+#ifdef _WIN32
+
+#include <cstring>
+#include <memory>
+#include <vector>
+#include <functional>
+#include <algorithm>
+#include <unordered_map>
+#ifndef DIRECTINPUT_VERSION
+#   define DIRECTINPUT_VERSION 0x800
+#endif
+#include <dinput.h>
+#include <windows.h>
+#include "opentrack-compat/timer.hpp"
+#include <QString>
+#include <QDebug>
+#include <QMutex>
+#include <QMutexLocker>
+#include <QMainWindow>
+
+namespace std {
+template<>
+struct hash<QString>
+{
+    inline std::size_t operator()(const QString& value) const
+    {
+        return qHash(value);
+    }
+};
+}
+
+#ifdef BUILD_api
+#   include "opentrack-compat/export.hpp"
+#else
+#   include "opentrack-compat/import.hpp"
+#endif
+
+struct OPENTRACK_EXPORT win32_joy_ctx
+{
+    using fn = std::function<void(const QString& guid, int btn, bool held)>;
+    
+    enum { joy_axis_size = 65535 };
+    
+    struct joy_info
+    {
+        QString name, guid;
+    };
+
+    void poll(fn f);
+    bool poll_axis(const QString& guid, int axes[8]);
+    std::vector<joy_info> get_joy_info();
+    
+    win32_joy_ctx(const win32_joy_ctx&) = delete;
+    win32_joy_ctx& operator=(const win32_joy_ctx&) = delete;
+    
+    win32_joy_ctx();
+    ~win32_joy_ctx();
+    void refresh();
+private:
+    QMutex mtx;
+    QMainWindow fake_main_window;
+    LPDIRECTINPUT8 di;
+    
+    static QString guid_to_string(const GUID guid);
+    void release();
+    
+    struct joy
+    {
+        LPDIRECTINPUTDEVICE8 joy_handle;
+        QString guid, name;
+        bool pressed[128];
+        Timer first_timer;
+        DIJOYSTATE2 js_old;
+
+        joy(LPDIRECTINPUTDEVICE8 handle, const QString& guid, const QString& name);
+        ~joy();
+
+        void release();
+        bool poll(fn f);
+    };
+    
+    std::unordered_map<QString, std::shared_ptr<joy>> joys;
+
+    class enum_state
+    {
+        std::unordered_map<QString, std::shared_ptr<joy>> joys;
+        QMainWindow& fake_main_window;
+        LPDIRECTINPUT8 di;
+        
+        std::vector<QString> all;
+        static BOOL CALLBACK EnumJoysticksCallback(const DIDEVICEINSTANCE* pdidInstance, VOID* pContext);
+        static BOOL CALLBACK EnumObjectsCallback(const DIDEVICEOBJECTINSTANCE* pdidoi, VOID* ctx);
+    public:
+        enum_state(std::unordered_map<QString, std::shared_ptr<joy>>& joys, QMainWindow& fake_main_window, LPDIRECTINPUT8 di);
+    };
+};
+
+#endif