io/pointer: added the grab cursor

Signed-off-by: pierre <pierre.curto@gmail.com>

app/internal/window/os_darwin.go

@@ -198,6 +198,8 @@ func windowSetCursor(from, to pointer.CursorName) pointer.CursorName {
 		curID = 5
 	case pointer.CursorRowResize:
 		curID = 6
+	case pointer.CursorGrab:
+		curID = 7
 	case pointer.CursorNone:
 		runOnMain(func() {
 			C.gio_hideCursor()

app/internal/window/os_macos.m

@@ -119,6 +119,9 @@ void gio_setCursor(NSUInteger curID) {
 			case 6:
 				[NSCursor.resizeUpDownCursor set];
 				break;
+			case 7:
+                [NSCursor.openHandCursor set];
+                break;
 			default:
 				[NSCursor.arrowCursor set];
 				break;

app/internal/window/os_wayland.go

@@ -930,6 +930,8 @@ func (w *window) SetCursor(name pointer.CursorName) {
 		name = "top_side"
 	case pointer.CursorColResize:
 		name = "left_side"
+	case pointer.CursorGrab:
+		name = "hand1"
 	}
 	cname := C.CString(string(name))
 	defer C.free(unsafe.Pointer(cname))

app/internal/window/os_windows.go

@@ -606,6 +606,8 @@ func loadCursor(name pointer.CursorName) (syscall.Handle, error) {
 		curID = windows.IDC_SIZEWE
 	case pointer.CursorRowResize:
 		curID = windows.IDC_SIZENS
+	case pointer.CursorGrab:
+		curID = windows.IDC_SIZEALL
 	case pointer.CursorNone:
 		return 0, nil
 	}

app/internal/window/os_x11.go

@@ -118,10 +118,13 @@ func (w *x11Window) WriteClipboard(s string) {
 }
 
 func (w *x11Window) SetCursor(name pointer.CursorName) {
-	if name == pointer.CursorNone {
+	switch name {
+	case pointer.CursorNone:
 		w.cursor = name
 		C.XFixesHideCursor(w.x, w.xw)
 		return
+	case pointer.CursorGrab:
+		name = "hand1"
 	}
 	if w.cursor == pointer.CursorNone {
 		C.XFixesShowCursor(w.x, w.xw)

app/internal/windows/windows.go

@@ -65,12 +65,13 @@ const (
 
 	HTCLIENT = 1
 
-	IDC_ARROW  = 32512
-	IDC_IBEAM  = 32513
-	IDC_HAND   = 32649
-	IDC_CROSS  = 32515
-	IDC_SIZENS = 32645
-	IDC_SIZEWE = 32644
+	IDC_ARROW   = 32512
+	IDC_IBEAM   = 32513
+	IDC_HAND    = 32649
+	IDC_CROSS   = 32515
+	IDC_SIZENS  = 32645
+	IDC_SIZEWE  = 32644
+	IDC_SIZEALL = 32646
 
 	INFINITE = 0xFFFFFFFF
 

io/pointer/pointer.go

@@ -103,6 +103,8 @@ const (
 	CursorColResize CursorName = "col-resize"
 	// CursorRowResize is the cursor for horizontal resize.
 	CursorRowResize CursorName = "row-resize"
+	// CursorGrab is the cursor for moving object in any direction.
+	CursorGrab CursorName = "grab"
 	// CursorNone hides the cursor. To show it again, use any other cursor.
 	CursorNone CursorName = "none"
 )