; ===============================================================================================================================
; Make the windows 10 taskbar translucent (blur)
; https://autohotkey.com/boards/viewtopic.php?f=6&t=26752
; ===============================================================================================================================
/*
TaskBar_SetAttr(option, color)
option -> 0 = off
1 = gradient (+color)
2 = transparent (+color)
3 = blur
color -> ABGR (alpha | blue | green | red) 0xffd7a78f
*/
TaskBar_SetAttr(accent_state := 0, gradient_color := "0x01000000")
{
static init, hTrayWnd, ver := DllCall("GetVersion") & 0xff < 10
static pad := A_PtrSize = 8 ? 4 : 0, WCA_ACCENT_POLICY := 19
if !(init) {
if (ver)
throw Exception("Minimum support client: Windows 10", -1)
if !(hTrayWnd := DllCall("user32\FindWindow", "str", "Shell_TrayWnd", "ptr", 0, "ptr"))
throw Exception("Failed to get the handle", -1)
init := 1
}
accent_size := VarSetCapacity(ACCENT_POLICY, 16, 0)
NumPut((accent_state > 0 && accent_state < 4) ? accent_state : 0, ACCENT_POLICY, 0, "int")
if (accent_state >= 1) && (accent_state <= 2) && (RegExMatch(gradient_color, "0x[[:xdigit:]]{8}"))
NumPut(gradient_color, ACCENT_POLICY, 8, "int")
VarSetCapacity(WINCOMPATTRDATA, 4 + pad + A_PtrSize + 4 + pad, 0)
&& NumPut(WCA_ACCENT_POLICY, WINCOMPATTRDATA, 0, "int")
&& NumPut(&ACCENT_POLICY, WINCOMPATTRDATA, 4 + pad, "ptr")
&& NumPut(accent_size, WINCOMPATTRDATA, 4 + pad + A_PtrSize, "uint")
if !(DllCall("user32\SetWindowCompositionAttribute", "ptr", hTrayWnd, "ptr", &WINCOMPATTRDATA))
throw Exception("Failed to set transparency / blur", -1)
return true
}
; ===============================================================================================================================
TaskBar_SetAttr(1, 0xc1e3c791) ; <- Set gradient with color 0xd7a78f ( rgb = 0x91c7e3 ) and alpha 0xc1
sleep 3000
TaskBar_SetAttr(2, 0xa1e3c791) ; <- Set transparent with color 0xd7a78f ( rgb = 0x91c7e3 ) and alpha 0xa1
sleep 3000
TaskBar_SetAttr(2) ; <- Set transparent
sleep 3000
TaskBar_SetAttr(3) ; <- Set blur
sleep 3000
TaskBar_SetAttr(0) ; <- Set standard value
ExitApp
/*
Since clicking on Win-Start will reset the taskbar, it will be the best solution to use a SetTimer with x ms to set the Attribute
#NoEnv
#Persistent
#SingleInstance Force
SetBatchLines -1
SetTimer, UPDATE_TASKBAR, 100
return
UPDATE_TASKBAR:
TaskBar_SetAttr(3)
return
*/
; ===============================================================================================================================
/*
Shell_TrayWnd -> Main TaskBar
Shell_SecondaryTrayWnd -> 2nd TaskBar (on multiple monitors)
*/
/* C++ ==========================================================================================================================
BOOL GetWindowCompositionAttribute(
_In_ HWND hWnd,
_Inout_ WINDOWCOMPOSITIONATTRIBDATA* pAttrData
);
BOOL SetWindowCompositionAttribute(
_In_ HWND hWnd,
_Inout_ WINDOWCOMPOSITIONATTRIBDATA* pAttrData
);
typedef struct _WINDOWCOMPOSITIONATTRIBDATA {
WINDOWCOMPOSITIONATTRIB Attrib;
PVOID pvData;
SIZE_T cbData;
} WINDOWCOMPOSITIONATTRIBDATA;
typedef enum _WINDOWCOMPOSITIONATTRIB {
WCA_UNDEFINED = 0,
WCA_NCRENDERING_ENABLED = 1,
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_LAST = 23
} WINDOWCOMPOSITIONATTRIB;
typedef struct _ACCENT_POLICY {
ACCENT_STATE AccentState;
DWORD AccentFlags;
DWORD GradientColor;
DWORD AnimationId;
} ACCENT_POLICY;
typedef enum _ACCENT_STATE {
ACCENT_DISABLED = 0,
ACCENT_ENABLE_GRADIENT = 1,
ACCENT_ENABLE_TRANSPARENTGRADIENT = 2,
ACCENT_ENABLE_BLURBEHIND = 3,
ACCENT_INVALID_STATE = 4
} ACCENT_STATE;
_ACCENT_FLAGS {
DrawLeftBorder = 0x20,
DrawTopBorder = 0x40,
DrawRightBorder = 0x80,
DrawBottomBorder = 0x100,
DrawAllBorders = (DrawLeftBorder | DrawTopBorder | DrawRightBorder | DrawBottomBorder)
}
============================================================================================================================== */
