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Drag and drop, called click and drag at the time, was used in the original Macintosh to manipulate files (for example, copying them between disks [3] or folders [4]). System 7 added the ability to open a document in an application by dropping the document icon onto the application's icon.
Common uses for widgets involve the display of collections of related items (such as with various list and canvas controls), initiation of actions and processes within the interface (buttons and menus), navigation within the space of the information system (links, tabs and scrollbars), and representing and manipulating data values (such as ...
When the user invokes actions in the GUI, like clicking on a button or typing into a field, these actions are translated into events by the HyperCard runtime. The runtime then examines the script of the object that is the target of the event, like a button, to see if its script object contains the event's code, called a handler.
Two U.S. senators introduced bipartisan legislation on Friday that would impose sanctions on Turkey, citing concerns over military action by that country or groups that it backs, in northern Syria.
CDC expects hospitalizations for flu and COVID-19 to start increasing in the coming weeks. It also sees increased RSV activity, particularly in young children, in the southern and eastern U.S. As ...
LONDON/SYDNEY (Reuters) -The U.S. dollar was poised for a big weekly gain on Friday, towering near one-year highs as a hawkish turn from the Federal Reserve chief sent short-term Treasury yields ...
The drag and drop gesture is a fundamental gestural convention that enables users to manipulate objects on the screen seamlessly. It involves a series of actions performed by the user: Pressing the mouse button while the cursor hovers over an interface object. Moving the cursor to a different location while holding the button down.
The earliest editors (designed for teleprinter terminals) provided keyboard commands to delineate a contiguous region of text, then delete or move it. Since moving a region of text requires first removing it from its initial location and then inserting it into its new location, various schemes had to be invented to allow for this multi-step process to be specified by the user.