4e675101a7
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41548 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
158 lines
4.5 KiB
TeX
158 lines
4.5 KiB
TeX
\section{\class{wxDisplay}}\label{wxdisplay}
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Determines the sizes and locations of displays connected to the system.
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\wxheading{Derived from}
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None
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\wxheading{Include files}
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<wx/display.h>
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\wxheading{See also}
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\helpref{wxClientDisplayRect}{wxclientdisplayrect}, \helpref{wxDisplaySize}{wxdisplaysize}, \helpref{wxDisplaySizeMM}{wxdisplaysizemm}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxDisplay::wxDisplay}\label{wxdisplayctor}
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\func{}{wxDisplay}{\param{unsigned }{index = 0}}
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Constructor, setting up a wxDisplay instance with the specified display.
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\wxheading{Parameters}
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\docparam{index}{The index of the display to use. This must be non-negative
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and lower than the value returned by \helpref{GetCount()}{wxdisplaygetcount}.}
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\membersection{wxDisplay::\destruct{wxDisplay}}\label{wxdisplaydtor}
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\func{void}{\destruct{wxDisplay}}{\void}
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Destructor.
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\membersection{wxDisplay::ChangeMode}\label{wxdisplaychangemode}
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\func{bool }{ChangeMode}{\param{const wxVideoMode\& }{mode = wxDefaultVideoMode}}
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Changes the video mode of this display to the mode specified
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in the mode parameter.
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If wxDefaultVideoMode is passed in as the mode parameter,
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the defined behaviour is that wxDisplay will reset the video
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mode to the default mode used by the display. On Windows,
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the behavior is normal. However, there are differences on other
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platforms. On Unix variations using X11 extensions it should
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behave as defined, but some irregularities may occur.
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On wxMac passing in wxDefaultVideoMode as the mode
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parameter does nothing. This happens because carbon
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no longer has access to DMUseScreenPrefs, an undocumented
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function that changed the video mode to the system
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default by using the system's 'scrn' resource.
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\membersection{wxDisplay::GetClientArea}\label{wxdisplaygetclientarea}
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\constfunc{wxRect }{GetClientArea}{\void}
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Returns the client area of the display. The client area is the part of the
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display available for the normal (non full screen) windows, usually it is the
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same as \helpref{GetGeometry}{wxdisplaygetgeometry} but it could be less if
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there is a taskbar (or equivalent) on this display.
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\wxheading{See also:}
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\helpref{wxClientDisplayRect}{wxclientdisplayrect}
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\membersection{wxDisplay::GetCount}\label{wxdisplaygetcount}
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\func{static unsigned }{GetCount}{\void}
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Returns the number of connected displays.
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\membersection{wxDisplay::GetCurrentMode}\label{wxdisplaygetcurrentmode}
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\constfunc{wxVideoMode }{GetCurrentMode}{\void}
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Returns the current video mode that this display is in.
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\membersection{wxDisplay::GetDepth}\label{wxdisplaygetdepth}
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\constfunc{int }{GetDepth}{\void}
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Returns the bit depth of the display whose index was passed to the constructor.
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\membersection{wxDisplay::GetFromPoint}\label{wxdisplaygetfrompoint}
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\func{static int}{GetFromPoint}{\param{const wxPoint\& }{pt}}
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Returns the index of the display on which the given point lies. Returns
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\texttt{wxNOT\_FOUND} if the point is not on any connected display.
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\wxheading{Parameters}
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\docparam{pt}{The point to locate.}
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\membersection{wxDisplay::GetFromWindow}\label{wxdisplaygetfromwindow}
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\func{static int}{GetFromWindow}{\param{wxWindow* }{win}}
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Returns the index of the display on which the given window lies.
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If the window is on more than one display it gets the display that overlaps the window the most.
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Returns \texttt{wxNOT\_FOUND} if the window is not on any connected display.
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\wxheading{Parameters}
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\docparam{win}{The window to locate.}
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\membersection{wxDisplay::GetGeometry}\label{wxdisplaygetgeometry}
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\constfunc{wxRect }{GetGeometry}{\void}
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Returns the bounding rectangle of the display whose index was passed to the
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constructor.
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\wxheading{See also:}
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\helpref{GetClientArea}{wxdisplaygetclientarea}, \helpref{wxDisplaySize}{wxdisplaysize}
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\membersection{wxDisplay::GetModes}\label{wxdisplaygetmodes}
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\constfunc{wxArrayVideoModes }{GetModes}{\param{const wxVideoMode\& }{mode = wxDefaultVideoMode}}
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Fills and returns an array with all the video modes that
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are supported by this display, or video modes that are
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supported by this display and match the mode parameter
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(if mode is not wxDefaultVideoMode).
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\membersection{wxDisplay::GetName}\label{wxdisplaygetname}
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\constfunc{wxString }{GetName}{\void}
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Returns the display's name. A name is not available on all platforms.
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\membersection{wxDisplay::IsPrimary}\label{wxdisplayisprimary}
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\func{bool }{IsPrimary}{\void}
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Returns true if the display is the primary display. The primary display is the
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one whose index is 0.
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