blurmode.h

#ifndef BLURMODE_H
#define BLURMODE_H

#include <thread>
#include <iostream>

#include <windows.h>
#include <dwmapi.h>
#include <VersionHelpers.h>

#include <QObject>
#include <QMainWindow>

#pragma comment(lib, "dwmapi.lib")
#pragma comment(lib, "comctl32.lib")

typedef enum _WINDOWCOMPOSITIONATTRIB {
  WCA_UNDEFINED = 0,
  WCA_NCRENDERING_ENABLED = 1,
  WCA_NCRENDERING_POLICY = 2,
  WCA_TRANSITIONS_FORCEDISABLED = 3,
  WCA_ALLOW_NCPAINT = 4,
  WCA_CAPTION_BUTTON_BOUNDS = 5,
  WCA_NONCLIENT_RTL_LAYOUT = 6,
  WCA_FORCE_ICONIC_REPRESENTATION = 7,
  WCA_EXTENDED_FRAME_BOUNDS = 8,
  WCA_HAS_ICONIC_BITMAP = 9,
  WCA_THEME_ATTRIBUTES = 10,
  WCA_NCRENDERING_EXILED = 11,
  WCA_NCADORNMENTINFO = 12,
  WCA_EXCLUDED_FROM_LIVEPREVIEW = 13,
  WCA_VIDEO_OVERLAY_ACTIVE = 14,
  WCA_FORCE_ACTIVEWINDOW_APPEARANCE = 15,
  WCA_DISALLOW_PEEK = 16,
  WCA_CLOAK = 17,
  WCA_CLOAKED = 18,
  WCA_ACCENT_POLICY = 19,
  WCA_FREEZE_REPRESENTATION = 20,
  WCA_EVER_UNCLOAKED = 21,
  WCA_VISUAL_OWNER = 22,
  WCA_HOLOGRAPHIC = 23,
  WCA_EXCLUDED_FROM_DDA = 24,
  WCA_PASSIVEUPDATEMODE = 25,
  WCA_USEDARKMODECOLORS = 26,
  WCA_LAST = 27
} WINDOWCOMPOSITIONATTRIB;

typedef struct _WINDOWCOMPOSITIONATTRIBDATA {
  WINDOWCOMPOSITIONATTRIB Attrib;
  PVOID pvData;
  SIZE_T cbData;
} WINDOWCOMPOSITIONATTRIBDATA;

typedef enum _ACCENT_STATE {
  ACCENT_DISABLED = 0,
  ACCENT_ENABLE_GRADIENT = 1,
  ACCENT_ENABLE_TRANSPARENTGRADIENT = 2,
  ACCENT_ENABLE_BLURBEHIND = 3,
  ACCENT_ENABLE_ACRYLICBLURBEHIND = 4,
  ACCENT_ENABLE_HOSTBACKDROP = 5,
  ACCENT_INVALID_STATE = 6
} ACCENT_STATE;

typedef struct _ACCENT_POLICY {
  ACCENT_STATE AccentState;
  DWORD AccentFlags;
  DWORD GradientColor;
  DWORD AnimationId;
} ACCENT_POLICY;

typedef BOOL(WINAPI* GetWindowCompositionAttribute)(
    HWND, WINDOWCOMPOSITIONATTRIBDATA*);
typedef BOOL(WINAPI* SetWindowCompositionAttribute)(
    HWND, WINDOWCOMPOSITIONATTRIBDATA*);

typedef LONG NTSTATUS, *PNTSTATUS;
#define STATUS_SUCCESS (0x00000000)

typedef NTSTATUS(WINAPI* RtlGetVersionPtr)(PRTL_OSVERSIONINFOW);

enum BlurModeEdit {
    kInitialize,
    kSetEffect,
    kHideWindowControls,
    kShowWindowControls,
    kEnterFullscreen,
    kExitFullscreen
};

class BlurMode {
 public:
  BlurMode();
  virtual ~BlurMode();
  void HandleMethodCall(QMainWindow *window, int effect, BlurModeEdit mode, bool dark);
  void setColorBackground(QColor color);
 private:
  HMODULE user32 = nullptr;
  SetWindowCompositionAttribute set_window_composition_attribute_ = nullptr;
  bool is_initialized_ = false;
  bool is_fullscreen_ = false;
  RECT last_rect_ = {};
  int32_t window_effect_last_ = 0;
  RTL_OSVERSIONINFOW GetWindowsVersion();
  HWND GetParentWindow(QMainWindow *window);
  QColor color;
};


#endif // BLURMODE_H