多显示器/双显示器系统上的 window.open() - 窗口在哪里弹出?

问题描述

When using javascript window.open() on a multi-monitor system, how do you control which monitor, or where in the display space the popup opens? It seems out of control to me and otherwise random in it's behavior.

Result of "window.open dual-screen" search revealed this fancy nugget: Dual Monitors and Window.open

"When the user clicks on a link that opens a new window using window.open. Make the window appear on the same monitor as its' parent."

// Find Left Boundry of the Screen/Monitor
function FindLeftScreenBoundry()
{
    // Check if the window is off the primary monitor in a positive axis
    // X,Y                  X,Y                    S = Screen, W = Window
    // 0,0  ----------   1280,0  ----------
    //     |          |         |  ---     |
    //     |          |         | | W |    |
    //     |        S |         |  ---   S |
    //      ----------           ----------
    if (window.leftWindowBoundry() > window.screen.width)
    {
        return window.leftWindowBoundry() - (window.leftWindowBoundry() - window.screen.width);
    }

    // Check if the window is off the primary monitor in a negative axis
    // X,Y                  X,Y                    S = Screen, W = Window
    // 0,0  ----------  -1280,0  ----------
    //     |          |         |  ---     |
    //     |          |         | | W |    |
    //     |        S |         |  ---   S |
    //      ----------           ----------
    // This only works in Firefox at the moment due to a bug in Internet Explorer opening new windows into a negative axis
    // However, you can move opened windows into a negative axis as a workaround
    if (window.leftWindowBoundry() < 0 && window.leftWindowBoundry() > (window.screen.width * -1))
    {
        return (window.screen.width * -1);
    }

    // If neither of the above, the monitor is on the primary monitor whose's screen X should be 0
    return 0;
}

window.leftScreenBoundry = FindLeftScreenBoundry;

Now that the code is written, you can now use window.open to open a window on the monitor the parent window is on.

window.open(thePage, 'windowName', 'resizable=1, scrollbars=1, fullscreen=0, height=200, width=650, screenX=' + window.leftScreenBoundry() + ' , left=' + window.leftScreenBoundry() + ', toolbar=0, menubar=0, status=1');

If it successfully allows you to open a popup on the same screen as the document launching it, then with similar effort one should be able to modify it to behave differently.

Note that, as the length of code implies, there is no built-in function for understanding multiple monitors in jquery/javascript/browsers, only that the dual-screen desktop is simply an enlarged single cartesian plane instead of two discrete planes.

Update

The link is dead. Use this waybackmachine link

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