Gets the primary monitor for screen. The primary monitor
is considered the monitor where the 'main desktop' lives.
While normal application windows typically allow the window
manager to place the windows, specialized desktop applications
such as panels should place themselves on the primary monitor.
If no primary monitor is configured by the user, the return value
will be 0, defaulting to the first monitor.
Since 2.20
Gets the primary monitor for screen. The primary monitor is considered the monitor where the 'main desktop' lives. While normal application windows typically allow the window manager to place the windows, specialized desktop applications such as panels should place themselves on the primary monitor. If no primary monitor is configured by the user, the return value will be 0, defaulting to the first monitor. Since 2.20