06d20283af
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1726 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
532 lines
20 KiB
TeX
532 lines
20 KiB
TeX
\section{\class{wxMDIChildFrame}}\label{wxmdichildframe}
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An MDI child frame is a frame that can only exist on a \helpref{wxMDIClientWindow}{wxmdiclientwindow},
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which is itself a child of \helpref{wxMDIParentFrame}{wxmdiparentframe}.
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\wxheading{Derived from}
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\helpref{wxFrame}{wxframe}\\
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\helpref{wxWindow}{wxwindow}\\
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\helpref{wxEvtHandler}{wxevthandler}\\
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\helpref{wxObject}{wxobject}
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\wxheading{Include files}
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<wx/mdi.h>
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\wxheading{Window styles}
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\twocolwidtha{5cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{\windowstyle{wxCAPTION}}{Puts a caption on the frame.}
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\twocolitem{\windowstyle{wxDEFAULT\_FRAME\_STYLE}}{Defined as {\bf wxMINIMIZE\_BOX \pipe wxMAXIMIZE\_BOX \pipe wxTHICK\_FRAME \pipe wxSYSTEM\_MENU \pipe wxCAPTION}.}
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\twocolitem{\windowstyle{wxICONIZE}}{Display the frame iconized (minimized) (Windows only).}
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\twocolitem{\windowstyle{wxMAXIMIZE}}{Displays the frame maximized (Windows only).}
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\twocolitem{\windowstyle{wxMAXIMIZE\_BOX}}{Displays a maximize box on the frame (Windows and Motif only).}
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\twocolitem{\windowstyle{wxMINIMIZE}}{Identical to {\bf wxICONIZE}.}
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\twocolitem{\windowstyle{wxMINIMIZE\_BOX}}{Displays a minimize box on the frame (Windows and Motif only).}
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\twocolitem{\windowstyle{wxRESIZE\_BORDER}}{Displays a resizeable border around the window (Motif only;
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for Windows, it is implicit in wxTHICK\_FRAME).}
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\twocolitem{\windowstyle{wxSTAY\_ON\_TOP}}{Stay on top of other windows (Windows only).}
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\twocolitem{\windowstyle{wxSYSTEM\_MENU}}{Displays a system menu (Windows and Motif only).}
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\twocolitem{\windowstyle{wxTHICK\_FRAME}}{Displays a thick frame around the window (Windows and Motif only).}
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\end{twocollist}
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See also \helpref{window styles overview}{windowstyles}.
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\wxheading{Remarks}
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Although internally an MDI child frame is a child of the MDI client window, in wxWindows
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you create it as a child of \helpref{wxMDIParentFrame}{wxmdiparentframe}. You can usually
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forget that the client window exists.
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MDI child frames are clipped to the area of the MDI client window, and may be iconized
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on the client window.
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You can associate a menubar with a child frame as usual, although an MDI child doesn't display
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its menubar under its own title bar. The MDI parent frame's menubar will be changed to
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reflect the currently active child frame. If there are currently no children, the parent
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frame's own menubar will be displayed.
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\wxheading{See also}
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\helpref{wxMDIClientWindow}{wxmdiclientwindow}, \helpref{wxMDIParentFrame}{wxmdiparentframe},\rtfsp
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\helpref{wxFrame}{wxframe}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxMDIChildFrame::wxMDIChildFrame}\label{wxmdichildframeconstr}
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\func{}{wxMDIChildFrame}{\void}
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Default constructor.
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\func{}{wxMDIChildFrame}{\param{wxMDIParentFrame* }{parent}, \param{wxWindowID }{id},\rtfsp
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\param{const wxString\& }{title}, \param{const wxPoint\&}{ pos = wxDefaultPosition},\rtfsp
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\param{const wxSize\&}{ size = wxDefaultSize}, \param{long}{ style = wxDEFAULT\_FRAME\_STYLE},\rtfsp
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\param{const wxString\& }{name = ``frame"}}
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Constructor, creating the window.
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\wxheading{Parameters}
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\docparam{parent}{The window parent. This should not be NULL.}
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\docparam{id}{The window identifier. It may take a value of -1 to indicate a default value.}
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\docparam{title}{The caption to be displayed on the frame's title bar.}
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\docparam{pos}{The window position. A value of (-1, -1) indicates a default position, chosen by
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either the windowing system or wxWindows, depending on platform.}
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\docparam{size}{The window size. A value of (-1, -1) indicates a default size, chosen by
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either the windowing system or wxWindows, depending on platform.}
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\docparam{style}{The window style. See \helpref{wxMDIChildFrame}{wxmdichildframe}.}
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\docparam{name}{The name of the window. This parameter is used to associate a name with the item,
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allowing the application user to set Motif resource values for
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individual windows.}
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\wxheading{Remarks}
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None.
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\wxheading{See also}
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\helpref{wxMDIChildFrame::Create}{wxmdichildframecreate}
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\membersection{wxMDIChildFrame::\destruct{wxMDIChildFrame}}
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\func{}{\destruct{wxMDIChildFrame}}{\void}
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Destructor. Destroys all child windows and menu bar if present.
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\membersection{wxMDIChildFrame::Activate}\label{wxmdichildframeactivate}
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\func{void}{Activate}{\void}
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Activates this MDI child frame.
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\wxheading{See also}
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\helpref{wxMDIChildFrame::Maximize}{wxmdichildframemaximize},\rtfsp
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\helpref{wxMDIChildFrame::Restore}{wxmdichildframerestore}
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\membersection{wxMDIChildFrame::Create}\label{wxmdichildframecreate}
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\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id},\rtfsp
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\param{const wxString\& }{title}, \param{const wxPoint\&}{ pos = wxDefaultPosition},\rtfsp
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\param{const wxSize\&}{ size = wxDefaultSize}, \param{long}{ style = wxDEFAULT\_FRAME\_STYLE},\rtfsp
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\param{const wxString\& }{name = ``frame"}}
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Used in two-step frame construction. See \helpref{wxMDIChildFrame::wxMDIChildFrame}{wxmdichildframeconstr}\rtfsp
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for further details.
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\membersection{wxMDIChildFrame::Maximize}\label{wxmdichildframemaximize}
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\func{void}{Maximize}{\void}
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Maximizes this MDI child frame.
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\wxheading{See also}
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\helpref{wxMDIChildFrame::Activate}{wxmdichildframeactivate},\rtfsp
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\helpref{wxMDIChildFrame::Restore}{wxmdichildframerestore}
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\membersection{wxMDIChildFrame::Restore}\label{wxmdichildframerestore}
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\func{void}{Restore}{\void}
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Restores this MDI child frame (unmaximizes).
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\wxheading{See also}
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\helpref{wxMDIChildFrame::Activate}{wxmdichildframeactivate},\rtfsp
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\helpref{wxMDIChildFrame::Maximize}{wxmdichildframemaximize}
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\section{\class{wxMDIClientWindow}}\label{wxmdiclientwindow}
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An MDI client window is a child of \helpref{wxMDIParentFrame}{wxmdiparentframe}, and manages zero or
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more \helpref{wxMDIChildFrame}{wxmdichildframe} objects.
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\wxheading{Derived from}
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\helpref{wxWindow}{wxwindow}\\
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\helpref{wxEvtHandler}{wxevthandler}\\
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\helpref{wxObject}{wxobject}
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\wxheading{Include files}
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<wx/mdi.h>
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\wxheading{Remarks}
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The client window is the area where MDI child windows exist. It doesn't have to cover the whole
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parent frame; other windows such as toolbars and a help window might coexist with it.
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There can be scrollbars on a client window, which are controlled by the parent window style.
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The {\bf wxMDIClientWindow} class is usually adequate without further derivation, and it is created
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automatically when the MDI parent frame is created. If the application needs to derive a new class,
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the function \helpref{wxMDIParentFrame::OnCreateClient}{wxmdiparentframeoncreateclient} must be
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overridden in order to give an opportunity to use a different class of client window.
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Under Windows 95, the client window will automatically have a sunken border style when
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the active child is not maximized, and no border style when a child is maximized.
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\wxheading{See also}
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\helpref{wxMDIChildFrame}{wxmdichildframe}, \helpref{wxMDIParentFrame}{wxmdiparentframe},\rtfsp
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\helpref{wxFrame}{wxframe}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxMDIClientWindow::wxMDIClientWindow}\label{wxmdiclientwindowconstr}
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\func{}{wxMDIClientWindow}{\void}
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Default constructor.
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\func{}{wxMDIClientWindow}{\param{wxMDIParentFrame* }{parent}, \param{long}{ style = 0}}
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Constructor, creating the window.
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\wxheading{Parameters}
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\docparam{parent}{The window parent.}
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\docparam{style}{The window style. Currently unused.}
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\wxheading{Remarks}
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The second style of constructor is called within \helpref{wxMDIParentFrame::OnCreateClient}{wxmdiparentframeoncreateclient}.
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\wxheading{See also}
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\helpref{wxMDIParentFrame::wxMDIParentFrame}{wxmdiparentframeconstr},\rtfsp
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\helpref{wxMDIParentFrame::OnCreateClient}{wxmdiparentframeoncreateclient}
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\membersection{wxMDIClientWindow::\destruct{wxMDIClientWindow}}
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\func{}{\destruct{wxMDIClientWindow}}{\void}
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Destructor.
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\membersection{wxMDIClientWindow::CreateClient}\label{wxmdiclientwindowcreateclient}
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\func{bool}{CreateClient}{\param{wxMDIParentFrame* }{parent}, \param{long}{ style = 0}}
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Used in two-step frame construction. See \helpref{wxMDIClientWindow::wxMDIClientWindow}{wxmdiclientwindowconstr}\rtfsp
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for further details.
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\section{\class{wxMDIParentFrame}}\label{wxmdiparentframe}
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An MDI (Multiple Document Interface) parent frame is a window which can contain
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MDI child frames in its own `desktop'. It is a convenient way to avoid window clutter,
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and is used in many popular Windows applications, such as Microsoft Word(TM).
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\wxheading{Derived from}
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\helpref{wxFrame}{wxframe}\\
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\helpref{wxWindow}{wxwindow}\\
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\helpref{wxEvtHandler}{wxevthandler}\\
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\helpref{wxObject}{wxobject}
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\wxheading{Include files}
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<wx/mdi.h>
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\wxheading{Remarks}
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There may be multiple MDI parent frames in a single application, but this probably only makes sense
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within programming development environments.
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Child frames may be either \helpref{wxMDIChildFrame}{wxmdichildframe}, or \helpref{wxFrame}{wxframe}.
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An MDI parent frame always has a \helpref{wxMDIClientWindow}{wxmdiclientwindow} associated with it, which
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is the parent for MDI client frames.
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This client window may be resized to accomodate non-MDI windows, as seen in Microsoft Visual C++ (TM) and
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Microsoft Publisher (TM), where a documentation window is placed to one side of the workspace.
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MDI remains popular despite dire warnings from Microsoft itself that MDI is an obsolete
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user interface style.
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The implementation is native in Windows, and simulated under Motif. Under Motif,
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the child window frames will often have a different appearance from other frames
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because the window decorations are simulated.
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\wxheading{Window styles}
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\twocolwidtha{5cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{\windowstyle{wxCAPTION}}{Puts a caption on the frame.}
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\twocolitem{\windowstyle{wxDEFAULT\_FRAME\_STYLE}}{Defined as {\bf wxMINIMIZE\_BOX \pipe wxMAXIMIZE\_BOX \pipe wxTHICK\_FRAME \pipe wxSYSTEM\_MENU \pipe wxCAPTION}.}
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\twocolitem{\windowstyle{wxHSCROLL}}{Displays a horizontal scrollbar in the {\it client window}, allowing
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the user to view child frames that are off the current view.}
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\twocolitem{\windowstyle{wxICONIZE}}{Display the frame iconized (minimized) (Windows only).}
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\twocolitem{\windowstyle{wxMAXIMIZE}}{Displays the frame maximized (Windows only).}
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\twocolitem{\windowstyle{wxMAXIMIZE\_BOX}}{Displays a maximize box on the frame (Windows and Motif only).}
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\twocolitem{\windowstyle{wxMINIMIZE}}{Identical to {\bf wxICONIZE}.}
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\twocolitem{\windowstyle{wxMINIMIZE\_BOX}}{Displays a minimize box on the frame (Windows and Motif only).}
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\twocolitem{\windowstyle{wxRESIZE\_BORDER}}{Displays a resizeable border around the window (Motif only;
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for Windows, it is implicit in wxTHICK\_FRAME).}
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\twocolitem{\windowstyle{wxSTAY\_ON\_TOP}}{Stay on top of other windows (Windows only).}
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\twocolitem{\windowstyle{wxSYSTEM\_MENU}}{Displays a system menu (Windows and Motif only).}
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\twocolitem{\windowstyle{wxTHICK\_FRAME}}{Displays a thick frame around the window (Windows and Motif only).}
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\twocolitem{\windowstyle{wxVSCROLL}}{Displays a vertical scrollbar in the {\it client window}, allowing
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the user to view child frames that are off the current view.}
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\end{twocollist}
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See also \helpref{window styles overview}{windowstyles}.
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\wxheading{See also}
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\helpref{wxMDIChildFrame}{wxmdichildframe}, \helpref{wxMDIClientWindow}{wxmdiclientwindow},\rtfsp
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\helpref{wxFrame}{wxframe}, \helpref{wxDialog}{wxdialog}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxMDIParentFrame::wxMDIParentFrame}\label{wxmdiparentframeconstr}
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\func{}{wxMDIParentFrame}{\void}
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Default constructor.
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\func{}{wxMDIParentFrame}{\param{wxWindow* }{parent}, \param{wxWindowID }{id},\rtfsp
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\param{const wxString\& }{title}, \param{const wxPoint\&}{ pos = wxDefaultPosition},\rtfsp
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\param{const wxSize\&}{ size = wxDefaultSize}, \param{long}{ style = wxDEFAULT\_FRAME\_STYLE \pipe wxVSCROLL \pipe wxHSCROLL},\rtfsp
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\param{const wxString\& }{name = ``frame"}}
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Constructor, creating the window.
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\wxheading{Parameters}
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\docparam{parent}{The window parent. This should be NULL.}
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\docparam{id}{The window identifier. It may take a value of -1 to indicate a default value.}
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\docparam{title}{The caption to be displayed on the frame's title bar.}
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\docparam{pos}{The window position. A value of (-1, -1) indicates a default position, chosen by
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either the windowing system or wxWindows, depending on platform.}
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\docparam{size}{The window size. A value of (-1, -1) indicates a default size, chosen by
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either the windowing system or wxWindows, depending on platform.}
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\docparam{style}{The window style. See \helpref{wxMDIParentFrame}{wxmdiparentframe}.}
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\docparam{name}{The name of the window. This parameter is used to associate a name with the item,
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allowing the application user to set Motif resource values for
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individual windows.}
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\wxheading{Remarks}
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During the construction of the frame, the client window will be created. To use a different class
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from \helpref{wxMDIClientWindow}{wxmdiclientwindow}, override\rtfsp
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\helpref{wxMDIParentFrame::OnCreateClient}{wxmdiparentframeoncreateclient}.
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Under Windows 95, the client window will automatically have a sunken border style when
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the active child is not maximized, and no border style when a child is maximized.
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\wxheading{See also}
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\helpref{wxMDIParentFrame::Create}{wxmdiparentframecreate},\rtfsp
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\helpref{wxMDIParentFrame::OnCreateClient}{wxmdiparentframeoncreateclient}
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\membersection{wxMDIParentFrame::\destruct{wxMDIParentFrame}}
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\func{}{\destruct{wxMDIParentFrame}}{\void}
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Destructor. Destroys all child windows and menu bar if present.
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\membersection{wxMDIParentFrame::ActivateNext}\label{wxmdiparentframeactivatenext}
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\func{void}{ActivateNext}{\void}
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Activates the MDI child following the currently active one.
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\wxheading{See also}
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\helpref{wxMDIParentFrame::ActivatePrevious}{wxmdiparentframeactivateprevious}
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\membersection{wxMDIParentFrame::ActivatePrevious}\label{wxmdiparentframeactivateprevious}
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\func{void}{ActivatePrevious}{\void}
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Activates the MDI child preceding the currently active one.
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\wxheading{See also}
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\helpref{wxMDIParentFrame::ActivateNext}{wxmdiparentframeactivatenext}
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\membersection{wxMDIParentFrame::ArrangeIcons}\label{wxmdiparentframearrangeicons}
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\func{void}{ArrangeIcons}{\void}
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Arranges any iconized (minimized) MDI child windows.
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\wxheading{See also}
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\helpref{wxMDIParentFrame::Cascade}{wxmdiparentframecascade},\rtfsp
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\helpref{wxMDIParentFrame::Tile}{wxmdiparentframetile}
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\membersection{wxMDIParentFrame::Cascade}\label{wxmdiparentframecascade}
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\func{void}{Cascade}{\void}
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Arranges the MDI child windows in a cascade.
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\wxheading{See also}
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\helpref{wxMDIParentFrame::Tile}{wxmdiparentframetile},\rtfsp
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\helpref{wxMDIParentFrame::ArrangeIcons}{wxmdiparentframearrangeicons}
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\membersection{wxMDIParentFrame::Create}\label{wxmdiparentframecreate}
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\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id},\rtfsp
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\param{const wxString\& }{title}, \param{const wxPoint\&}{ pos = wxDefaultPosition},\rtfsp
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\param{const wxSize\&}{ size = wxDefaultSize}, \param{long}{ style = wxDEFAULT\_FRAME\_STYLE \pipe wxVSCROLL \pipe wxHSCROLL},\rtfsp
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\param{const wxString\& }{name = ``frame"}}
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Used in two-step frame construction. See \helpref{wxMDIParentFrame::wxMDIParentFrame}{wxmdiparentframeconstr}\rtfsp
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for further details.
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\membersection{wxMDIParentFrame::GetClientSize}\label{wxmdiparentframegetclientsize}
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\constfunc{virtual void}{GetClientSize}{\param{int* }{width}, \param{int* }{height}}
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This gets the size of the frame `client area' in pixels.
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\wxheading{Parameters}
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\docparam{width}{Receives the client width in pixels.}
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\docparam{height}{Receives the client height in pixels.}
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\wxheading{Remarks}
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The client area is the area which may be drawn on by the programmer, excluding title bar, border, status bar,
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and toolbar if present.
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If you wish to manage your own toolbar (or perhaps you have more than one),
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provide an {\bf OnSize} event handler. Call {\bf GetClientSize} to
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find how much space there is for your windows and don't forget to set the size and position
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of the MDI client window as well as your toolbar and other windows (but not the status bar).
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If you have set a toolbar with \helpref{wxMDIParentFrame::SetToolbar}{wxmdiparentframesettoolbar},
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the client size returned will have subtracted the toolbar height. However, the available positions
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for the client window and other windows of the frame do not start at zero - you must add the toolbar height.
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The position and size of the status bar and toolbar (if known to the frame) are always managed
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by {\bf wxMDIParentFrame}, regardless of what behaviour is defined in your {\bf OnSize} event handler.
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However, the client window position and size are always set in {\bf OnSize}, so if you override this
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event handler, make sure you deal with the client window.
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You do not have to manage the size and position of MDI child windows, since they are managed
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automatically by the client window.
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\wxheading{See also}
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\helpref{wxMDIParentFrame::GetToolBar}{wxmdiparentframegettoolbar},\rtfsp
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\helpref{wxMDIParentFrame::SetToolBar}{wxmdiparentframesettoolbar},\rtfsp
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\helpref{wxWindow}{wxwindowonsize},\rtfsp
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\helpref{wxMDIClientWindow}{wxmdiclientwindow}
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\pythonnote{The wxPython version of this method takes no arguments and
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returns a tuple containing width and height.}
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\membersection{wxMDIParentFrame::GetActiveChild}\label{wxmdiparentframegetactivechild}
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\constfunc{wxMDIChildFrame*}{GetActiveChild}{\void}
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Returns a pointer to the active MDI child, if there is one.
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\membersection{wxMDIParentFrame::GetClientWindow}\label{wxmdiparentframegetclientwindow}
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\constfunc{wxMDIClientWindow*}{GetClientWindow}{\void}
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Returns a pointer to the client window.
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\wxheading{See also}
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\helpref{wxMDIParentFrame::OnCreateClient}{wxmdiparentframeoncreateclient}
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\membersection{wxMDIParentFrame::GetToolBar}\label{wxmdiparentframegettoolbar}
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\constfunc{virtual wxWindow*}{GetToolBar}{\void}
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Returns the window being used as the toolbar for this frame.
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\wxheading{See also}
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\helpref{wxMDIParentFrame::SetToolBar}{wxmdiparentframesettoolbar}
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\membersection{wxMDIParentFrame::OnCreateClient}\label{wxmdiparentframeoncreateclient}
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\func{virtual wxMDIClientWindow*}{OnCreateClient}{\void}
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Override this to return a different kind of client window.
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\wxheading{Remarks}
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You might wish to derive from \helpref{wxMDIClientWindow}{wxmdiclientwindow} in order
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to implement different erase behaviour, for example, such as painting a bitmap
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on the background.
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Note that it is probably impossible to have a client window that scrolls as well as painting
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a bitmap or pattern, since in {\bf OnScroll}, the scrollbar positions always return zero.
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(Solutions to: \verb$julian.smart@ukonline.co.uk$).
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\wxheading{See also}
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\helpref{wxMDIParentFrame::GetClientWindow}{wxmdiparentframegetclientwindow},\rtfsp
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\helpref{wxMDIClientWindow}{wxmdiclientwindow}
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\membersection{wxMDIParentFrame::SetToolBar}\label{wxmdiparentframesettoolbar}
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\func{virtual void}{SetToolBar}{\param{wxWindow*}{ toolbar}}
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Sets the window to be used as a toolbar for this
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MDI parent window. It saves the application having to manage the positioning
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of the toolbar MDI client window.
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\wxheading{Parameters}
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\docparam{toolbar}{Toolbar to manage.}
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\wxheading{Remarks}
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When the frame is resized, the toolbar is resized to be the width of
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the frame client area, and the toolbar height is kept the same.
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The parent of the toolbar must be this frame.
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If you wish to manage your own toolbar (or perhaps you have more than one),
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don't call this function, and instead manage your subwindows and the MDI client window by
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providing an {\bf OnSize} event handler. Call \helpref{wxMDIParentFrame::GetClientSize}{wxmdiparentframegetclientsize} to
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find how much space there is for your windows.
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Note that SDI (normal) frames and MDI child windows must always have their
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toolbars managed by the application.
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\wxheading{See also}
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\helpref{wxMDIParentFrame::GetToolBar}{wxmdiparentframegettoolbar},\rtfsp
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\helpref{wxMDIParentFrame::GetClientSize}{wxmdiparentframegetclientsize}
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\membersection{wxMDIParentFrame::Tile}\label{wxmdiparentframetile}
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\func{void}{Tile}{\void}
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Tiles the MDI child windows.
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\wxheading{See also}
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\helpref{wxMDIParentFrame::Cascade}{wxmdiparentframecascade},\rtfsp
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\helpref{wxMDIParentFrame::ArrangeIcons}{wxmdiparentframearrangeicons}
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