feat: refactor screenshot capture implementation and update UI reload labels

backend/utils/screenshot_windows.go

@@ -8,32 +8,18 @@ import (
 	"image/png"
 	"syscall"
 	"unsafe"
+
+	"github.com/kbinani/screenshot"
 )
 
 var (
 	user32 = syscall.NewLazyDLL("user32.dll")
-	gdi32    = syscall.NewLazyDLL("gdi32.dll")
 	dwmapi = syscall.NewLazyDLL("dwmapi.dll")
 
 	// user32 functions
 	getForegroundWindow = user32.NewProc("GetForegroundWindow")
 	getWindowRect       = user32.NewProc("GetWindowRect")
-	getClientRect        = user32.NewProc("GetClientRect")
-	getDC                = user32.NewProc("GetDC")
-	releaseDC            = user32.NewProc("ReleaseDC")
 	findWindowW         = user32.NewProc("FindWindowW")
-	getWindowDC          = user32.NewProc("GetWindowDC")
-	printWindow          = user32.NewProc("PrintWindow")
-	clientToScreen       = user32.NewProc("ClientToScreen")
-
-	// gdi32 functions
-	createCompatibleDC     = gdi32.NewProc("CreateCompatibleDC")
-	createCompatibleBitmap = gdi32.NewProc("CreateCompatibleBitmap")
-	selectObject           = gdi32.NewProc("SelectObject")
-	bitBlt                 = gdi32.NewProc("BitBlt")
-	deleteDC               = gdi32.NewProc("DeleteDC")
-	deleteObject           = gdi32.NewProc("DeleteObject")
-	getDIBits              = gdi32.NewProc("GetDIBits")
 
 	// dwmapi functions
 	dwmGetWindowAttribute = dwmapi.NewProc("DwmGetWindowAttribute")
@@ -47,39 +33,7 @@ type RECT struct {
 	Bottom int32
 }
 
-// POINT structure for Windows API
-type POINT struct {
-	X int32
-	Y int32
-}
-
-// BITMAPINFOHEADER structure
-type BITMAPINFOHEADER struct {
-	BiSize          uint32
-	BiWidth         int32
-	BiHeight        int32
-	BiPlanes        uint16
-	BiBitCount      uint16
-	BiCompression   uint32
-	BiSizeImage     uint32
-	BiXPelsPerMeter int32
-	BiYPelsPerMeter int32
-	BiClrUsed       uint32
-	BiClrImportant  uint32
-}
-
-// BITMAPINFO structure
-type BITMAPINFO struct {
-	BmiHeader BITMAPINFOHEADER
-	BmiColors [1]uint32
-}
-
 const (
-	SRCCOPY             = 0x00CC0020
-	DIB_RGB_COLORS      = 0
-	BI_RGB              = 0
-	PW_CLIENTONLY       = 1
-	PW_RENDERFULLCONTENT = 2
 	DWMWA_EXTENDED_FRAME_BOUNDS = 9
 )
 
@@ -113,82 +67,10 @@ func CaptureWindowByHandle(hwnd uintptr) (*image.RGBA, error) {
 		return nil, fmt.Errorf("invalid window dimensions: %dx%d", width, height)
 	}
 
-	// Get window DC
+	// Using kbinani/screenshot to capture the rectangle on screen
-	hdcWindow, _, err := getWindowDC.Call(hwnd)
+	img, err := screenshot.CaptureRect(image.Rect(int(rect.Left), int(rect.Top), int(rect.Right), int(rect.Bottom)))
-	if hdcWindow == 0 {
+	if err != nil {
-		return nil, fmt.Errorf("GetWindowDC failed: %v", err)
+		return nil, fmt.Errorf("screenshot.CaptureRect failed: %v", err)
-	}
-	defer releaseDC.Call(hwnd, hdcWindow)
-
-	// Create compatible DC
-	hdcMem, _, err := createCompatibleDC.Call(hdcWindow)
-	if hdcMem == 0 {
-		return nil, fmt.Errorf("CreateCompatibleDC failed: %v", err)
-	}
-	defer deleteDC.Call(hdcMem)
-
-	// Create compatible bitmap
-	hBitmap, _, err := createCompatibleBitmap.Call(hdcWindow, uintptr(width), uintptr(height))
-	if hBitmap == 0 {
-		return nil, fmt.Errorf("CreateCompatibleBitmap failed: %v", err)
-	}
-	defer deleteObject.Call(hBitmap)
-
-	// Select bitmap into DC
-	oldBitmap, _, _ := selectObject.Call(hdcMem, hBitmap)
-	defer selectObject.Call(hdcMem, oldBitmap)
-
-	// Try PrintWindow first (works better with layered/composited windows)
-	ret, _, _ = printWindow.Call(hwnd, hdcMem, PW_RENDERFULLCONTENT)
-	if ret == 0 {
-		// Fallback to BitBlt
-		ret, _, err = bitBlt.Call(
-			hdcMem, 0, 0, uintptr(width), uintptr(height),
-			hdcWindow, 0, 0,
-			SRCCOPY,
-		)
-		if ret == 0 {
-			return nil, fmt.Errorf("BitBlt failed: %v", err)
-		}
-	}
-
-	// Prepare BITMAPINFO
-	bmi := BITMAPINFO{
-		BmiHeader: BITMAPINFOHEADER{
-			BiSize:        uint32(unsafe.Sizeof(BITMAPINFOHEADER{})),
-			BiWidth:       int32(width),
-			BiHeight:      -int32(height), // Negative for top-down DIB
-			BiPlanes:      1,
-			BiBitCount:    32,
-			BiCompression: BI_RGB,
-		},
-	}
-
-	// Allocate buffer for pixel data
-	pixelDataSize := width * height * 4
-	pixelData := make([]byte, pixelDataSize)
-
-	// Get the bitmap bits
-	ret, _, err = getDIBits.Call(
-		hdcMem,
-		hBitmap,
-		0,
-		uintptr(height),
-		uintptr(unsafe.Pointer(&pixelData[0])),
-		uintptr(unsafe.Pointer(&bmi)),
-		DIB_RGB_COLORS,
-	)
-	if ret == 0 {
-		return nil, fmt.Errorf("GetDIBits failed: %v", err)
-	}
-
-	// Convert BGRA to RGBA
-	img := image.NewRGBA(image.Rect(0, 0, width, height))
-	for i := 0; i < len(pixelData); i += 4 {
-		img.Pix[i+0] = pixelData[i+2] // R <- B
-		img.Pix[i+1] = pixelData[i+1] // G <- G
-		img.Pix[i+2] = pixelData[i+0] // B <- R
-		img.Pix[i+3] = pixelData[i+3] // A <- A
 	}
 
 	return img, nil

frontend/messages/en.json

@@ -43,7 +43,8 @@
 	"settings_danger_reset_button": "Reset data",
 	"settings_danger_reload_ui_label": "Reload UI",
 	"settings_danger_reload_app_label": "Reload App",
-	"settings_danger_reload_hint": "Reloads the application interface. Useful if the UI becomes unresponsive.",
+	"settings_danger_reload_all_label": "Reload UI/App",
+	"settings_danger_reload_hint": "Reloads the application interface. Useful if it becomes unresponsive.",
 	"settings_danger_reload_button_ui": "Reload UI",
 	"settings_danger_reload_button_app": "Reload app",
 	"settings_danger_reset_dialog_title": "Are you absolutely sure?",

frontend/messages/it.json

@@ -42,8 +42,9 @@
 	"settings_danger_reset_hint": "Questo cancellerà tutte le tue impostazioni e riporterà l'app allo stato predefinito.",
 	"settings_danger_reset_button": "Reimposta dati",
 	"settings_danger_reload_ui_label": "Ricarica UI",
-	"settings_danger_reload__app_label": "Ricarica App",
+	"settings_danger_reload_app_label": "Ricarica App",
-	"settings_danger_reload_hint": "Ricarica l'interfaccia dell'applicazione. Utile se l'UI non risponde.",
+	"settings_danger_reload_all_label": "Ricarica UI/App",
+	"settings_danger_reload_hint": "Ricarica l'interfaccia dell'applicazione. Utile se non risponde.",
 	"settings_danger_reload_button_ui": "Ricarica UI",
 	"settings_danger_reload_button_app": "Ricarica app",
 	"settings_danger_reset_dialog_title": "Sei assolutamente sicuro?",

frontend/src/routes/(app)/settings/+page.svelte

@@ -195,10 +195,14 @@
   });
 
   // Sync update checker setting to backend config.ini
-  let previousUpdateCheckerEnabled = form.enableUpdateChecker;
+  let previousUpdateCheckerEnabled = $state<boolean | undefined>(undefined);
   $effect(() => {
     (async () => {
       if (!browser) return;
+      if (previousUpdateCheckerEnabled === undefined) {
+        previousUpdateCheckerEnabled = form.enableUpdateChecker;
+        return;
+      }
       if (form.enableUpdateChecker !== previousUpdateCheckerEnabled) {
         try {
           await SetUpdateCheckerEnabled(form.enableUpdateChecker ?? true);
@@ -354,7 +358,7 @@
   });
 </script>
 
-<div class="min-h-[calc(100vh-1rem)] bg-gradient-to-b from-background to-muted/30">
+<div class="min-h-[calc(100vh-1rem)] bg-linear-to-b from-background to-muted/30">
   <div
     class="mx-auto flex max-w-3xl flex-col gap-4 px-4 py-6 sm:px-6 sm:py-10 opacity-80"
   >
@@ -868,12 +872,13 @@
             class="flex items-center justify-between gap-4 rounded-lg border border-destructive/30 bg-card p-4"
           >
             <div class="space-y-1">
-              <Label class="text-sm">{m.settings_danger_reload_ui_label()}</Label>
+              <Label class="text-sm">{m.settings_danger_reload_all_label()}</Label>
               <div class="text-sm text-muted-foreground">
                 {m.settings_danger_reload_hint()}
               </div>
             </div>
 
+            <div class="flex items-center gap-2">
               <a
                 data-sveltekit-reload
                 href="/"
@@ -882,18 +887,6 @@
               >
                 {m.settings_danger_reload_button_ui()}
               </a>
-          </div>
-
-          <div
-            class="flex items-center justify-between gap-4 rounded-lg border border-destructive/30 bg-card p-4"
-          >
-            <div class="space-y-1">
-              <Label class="text-sm">{m.settings_danger_reload_app_label()}</Label>
-              <div class="text-sm text-muted-foreground">
-                {m.settings_danger_reload_hint()}
-              </div>
-            </div>
-
               <Button
                 class={`${buttonVariants({ variant: "destructive" })} cursor-pointer hover:cursor-pointer`}
                 onclick={restartEntireApp}
@@ -902,6 +895,7 @@
                 {m.settings_danger_reload_button_app()}
               </Button>
             </div>
+          </div>
           
           <Separator />
 

go.mod

@@ -4,6 +4,7 @@ go 1.24.4
 
 require (
 	github.com/jaypipes/ghw v0.21.2
+	github.com/kbinani/screenshot v0.0.0-20250624051815-089614a94018
 	github.com/teamwork/tnef v0.0.0-20200108124832-7deabccfdb32
 	github.com/wailsapp/wails/v2 v2.11.0
 	golang.org/x/sys v0.40.0
@@ -13,18 +14,21 @@ require (
 
 require (
 	github.com/bep/debounce v1.2.1 // indirect
+	github.com/gen2brain/shm v0.1.0 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/jaypipes/pcidb v1.1.1 // indirect
 	github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e // indirect
+	github.com/jezek/xgb v1.1.1 // indirect
 	github.com/labstack/echo/v4 v4.13.3 // indirect
 	github.com/labstack/gommon v0.4.2 // indirect
 	github.com/leaanthony/go-ansi-parser v1.6.1 // indirect
 	github.com/leaanthony/gosod v1.0.4 // indirect
 	github.com/leaanthony/slicer v1.6.0 // indirect
 	github.com/leaanthony/u v1.1.1 // indirect
+	github.com/lxn/win v0.0.0-20210218163916-a377121e959e // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect

go.sum

@@ -4,6 +4,8 @@ github.com/bep/debounce v1.2.1/go.mod h1:H8yggRPQKLUhUoqrJC1bO2xNya7vanpDl7xR3IS
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gen2brain/shm v0.1.0 h1:MwPeg+zJQXN0RM9o+HqaSFypNoNEcNpeoGp0BTSx2YY=
+github.com/gen2brain/shm v0.1.0/go.mod h1:UgIcVtvmOu+aCJpqJX7GOtiN7X2ct+TKLg4RTxwPIUA=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
 github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
@@ -20,6 +22,10 @@ github.com/jaypipes/pcidb v1.1.1/go.mod h1:x27LT2krrUgjf875KxQXKB0Ha/YXLdZRVmw6h
 github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e h1:Q3+PugElBCf4PFpxhErSzU3/PY5sFL5Z6rfv4AbGAck=
 github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e/go.mod h1:alcuEEnZsY1WQsagKhZDsoPCRoOijYqhZvPwLG0kzVs=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
+github.com/jezek/xgb v1.1.1 h1:bE/r8ZZtSv7l9gk6nU0mYx51aXrvnyb44892TwSaqS4=
+github.com/jezek/xgb v1.1.1/go.mod h1:nrhwO0FX/enq75I7Y7G8iN1ubpSGZEiA3v9e9GyRFlk=
+github.com/kbinani/screenshot v0.0.0-20250624051815-089614a94018 h1:NQYgMY188uWrS+E/7xMVpydsI48PMHcc7SfR4OxkDF4=
+github.com/kbinani/screenshot v0.0.0-20250624051815-089614a94018/go.mod h1:Pmpz2BLf55auQZ67u3rvyI2vAQvNetkK/4zYUmpauZQ=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/labstack/echo/v4 v4.13.3 h1:pwhpCPrTl5qry5HRdM5FwdXnhXSLSY+WE+YQSeCaafY=
@@ -36,6 +42,8 @@ github.com/leaanthony/slicer v1.6.0 h1:1RFP5uiPJvT93TAHi+ipd3NACobkW53yUiBqZheE/
 github.com/leaanthony/slicer v1.6.0/go.mod h1:o/Iz29g7LN0GqH3aMjWAe90381nyZlDNquK+mtH2Fj8=
 github.com/leaanthony/u v1.1.1 h1:TUFjwDGlNX+WuwVEzDqQwC2lOv0P4uhTQw7CMFdiK7M=
 github.com/leaanthony/u v1.1.1/go.mod h1:9+o6hejoRljvZ3BzdYlVL0JYCwtnAsVuN9pVTQcaRfI=
+github.com/lxn/win v0.0.0-20210218163916-a377121e959e h1:H+t6A/QJMbhCSEH5rAuRxh+CtW96g0Or0Fxa9IKr4uc=
+github.com/lxn/win v0.0.0-20210218163916-a377121e959e/go.mod h1:KxxjdtRkfNoYDCUP5ryK7XJJNTnpC8atvtmTheChOtk=
 github.com/matryer/is v1.4.0/go.mod h1:8I/i5uYgLzgsgEloJE1U6xx5HkBQpAZvepWuujKwMRU=
 github.com/matryer/is v1.4.1 h1:55ehd8zaGABKLXQUe2awZ99BD/PTc2ls+KV/dXphgEQ=
 github.com/matryer/is v1.4.1/go.mod h1:8I/i5uYgLzgsgEloJE1U6xx5HkBQpAZvepWuujKwMRU=
@@ -95,6 +103,7 @@ golang.org/x/net v0.35.0 h1:T5GQRQb2y08kTAByq9L4/bz8cipCdA8FbRTXewonqY8=
 golang.org/x/net v0.35.0/go.mod h1:EglIi67kWsHKlRzzVMUD93VMSWGFOMSZgxFjparz1Qk=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200810151505-1b9f1253b3ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201018230417-eeed37f84f13/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=