A frame is a window whose size and position can (usually) be changed by the user. It usually has thick borders and a title bar, and can optionally contain a menu bar, toolbar and status bar. A frame can contain any window that is not a frame or dialog.
A frame that has a status bar and toolbar created via the CreateStatusBar/CreateToolBar functions manages these windows, and adjusts the value returned by GetClientSize to reflect the remaining size available to application windows.
Derived from
wxWindow
wxEvtHandler
wxObject
Include files
<wx/frame.h>
Window styles
wxDEFAULT_FRAME_STYLE | Defined as wxMINIMIZE_BOX | wxMAXIMIZE_BOX | wxRESIZE_BORDER | wxSYSTEM_MENU | wxCAPTION | wxCLOSE_BOX. |
wxICONIZE | Display the frame iconized (minimized). Windows only. |
wxCAPTION | Puts a caption on the frame. |
wxMINIMIZE | Identical to wxICONIZE. Windows only. |
wxMINIMIZE_BOX | Displays a minimize box on the frame. |
wxMAXIMIZE | Displays the frame maximized. Windows only. |
wxMAXIMIZE_BOX | Displays a maximize box on the frame. |
wxCLOSE_BOX | Displays a close box on the frame. |
wxSTAY_ON_TOP | Stay on top of all other windows, see also wxFRAME_FLOAT_ON_PARENT. Windows only. |
wxSYSTEM_MENU | Displays a system menu. |
wxRESIZE_BORDER | Displays a resizeable border around the window. |
wxFRAME_TOOL_WINDOW |
Causes a frame with a small
titlebar wxFrame::wxFrame wxFrame::~wxFrame wxFrame::Centre wxFrame::Command wxFrame::Create wxFrame::CreateStatusBar wxFrame::CreateToolBar wxFrame::GetClientAreaOrigin wxFrame::GetMenuBar wxFrame::GetStatusBar wxFrame::GetStatusBarPane wxFrame::GetTitle wxFrame::GetToolBar wxFrame::Iconize wxFrame::IsFullScreen wxFrame::IsIconized wxFrame::IsMaximized wxFrame::Maximize wxFrame::OnCreateStatusBar wxFrame::OnCreateToolBar wxFrame::SendSizeEvent wxFrame::SetIcon wxFrame::SetIcons wxFrame::SetMenuBar wxFrame::SetShape wxFrame::SetStatusBar wxFrame::SetStatusBarPane wxFrame::SetStatusText wxFrame::SetStatusWidths wxFrame::SetToolBar wxFrame::SetTitle wxFrame::ShowFullScreen to be created; the frame does not appear in the taskbar under Windows. |
wxFRAME_NO_TASKBAR | Creates an otherwise normal frame but it does not appear in the taskbar under Windows (note that it will minimize to the desktop window which may seem strange to the users and thus it might be better to use this style only without wxMINIMIZE_BOX style). Has no effect under other platforms. |
wxFRAME_FLOAT_ON_PARENT | The frame will always be on top of its parent (unlike wxSTAY_ON_TOP). A frame created with this style must have a non-NULL parent. |
wxFRAME_EX_CONTEXTHELP | Under Windows, puts a query button on the caption. When pressed, Windows will go into a context-sensitive help mode and wxWindows will send a wxEVT_HELP event if the user clicked on an application window. Note that this is an extended style and must be set by calling SetExtraStyle before Create is called (two-step construction). You cannot use this style together with wxMAXIMIZE_BOX or wxMINIMIZE_BOX, so you should use wxDEFAULT_FRAME_STYLE & ~ (wxMINIMIZE_BOX | wxMAXIMIZE_BOX) for the frames having this style (the dialogs don't have a minimize or a maximize box by default) |
wxFRAME_SHAPED | Windows with this style are allowed to have their shape changed with the SetShape method. |
The default frame style is for normal, resizeable frames. To create a frame which can not be resized by user, you may use the following combination of styles: wxDEFAULT_FRAME_STYLE & ~ (wxRESIZE_BORDER | wxRESIZE_BOX | wxMAXIMIZE_BOX). See also window styles overview.
Default event processing
wxFrame processes the following events:
wxEVT_SIZE | If the frame has exactly one child window, not counting the status and toolbar, this child is resized to take the entire frame client area. If two or more windows are present, they should be laid out explicitly either by manually handling wxEVT_SIZE or using sizers |
wxEVT_MENU_HIGHLIGHT | The default implementation displays the help string associated with the selected item in the first pane of the status bar, if there is one. |
Remarks
An application should normally define an wxCloseEvent handler for the frame to respond to system close events, for example so that related data and subwindows can be cleaned up.
See also
wxMDIParentFrame, wxMDIChildFrame, wxMiniFrame, wxDialog
Members
wxFrame()
Default constructor.
wxFrame(wxWindow* parent, wxWindowID id, const wxString& title, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxDEFAULT_FRAME_STYLE, const wxString& name = "frame")
Constructor, creating the window.
Parameters
parent
id
title
pos
size
style
name
Remarks
For Motif, MWM (the Motif Window Manager) should be running for any window styles to work (otherwise all styles take effect).
See also
void ~wxFrame()
Destructor. Destroys all child windows and menu bar if present.
void Centre(int direction = wxBOTH)
Centres the frame on the display.
Parameters
direction
void Command(int id)
Simulate a menu command.
Parameters
id
bool Create(wxWindow* parent, wxWindowID id, const wxString& title, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxDEFAULT_FRAME_STYLE, const wxString& name = "frame")
Used in two-step frame construction. See wxFrame::wxFrame for further details.
virtual wxStatusBar* CreateStatusBar(int number = 1, long style = 0, wxWindowID id = -1, const wxString& name = "statusBar")
Creates a status bar at the bottom of the frame.
Parameters
number
style
id
name
Return value
A pointer to the the status bar if it was created successfully, NULL otherwise.
Remarks
The width of the status bar is the whole width of the frame (adjusted automatically when resizing), and the height and text size are chosen by the host windowing system.
By default, the status bar is an instance of wxStatusBar. To use a different class, override wxFrame::OnCreateStatusBar.
Note that you can put controls and other windows on the status bar if you wish.
See also
wxFrame::SetStatusText, wxFrame::OnCreateStatusBar, wxFrame::GetStatusBar
virtual wxToolBar* CreateToolBar(long style = wxNO_BORDER | wxTB_HORIZONTAL, wxWindowID id = -1, const wxString& name = "toolBar")
Creates a toolbar at the top or left of the frame.
Parameters
style
id
name
Return value
A pointer to the the toolbar if it was created successfully, NULL otherwise.
Remarks
By default, the toolbar is an instance of wxToolBar (which is defined to be a suitable toolbar class on each platform, such as wxToolBar95). To use a different class, override wxFrame::OnCreateToolBar.
When a toolbar has been created with this function, or made known to the frame with wxFrame::SetToolBar, the frame will manage the toolbar position and adjust the return value from wxWindow::GetClientSize to reflect the available space for application windows.
See also
wxFrame::CreateStatusBar, wxFrame::OnCreateToolBar, wxFrame::SetToolBar, wxFrame::GetToolBar
wxPoint GetClientAreaOrigin() const
Returns the origin of the frame client area (in client coordinates). It may be different from (0, 0) if the frame has a toolbar.
wxMenuBar* GetMenuBar() const
Returns a pointer to the menubar currently associated with the frame (if any).
See also
wxFrame::SetMenuBar, wxMenuBar, wxMenu
wxStatusBar* GetStatusBar() const
Returns a pointer to the status bar currently associated with the frame (if any).
See also
wxFrame::CreateStatusBar, wxStatusBar
int GetStatusBarPane()
Returns the status bar pane used to display menu and toolbar help.
See also
wxString GetTitle() const
Gets a string containing the frame title. See wxFrame::SetTitle.
wxToolBar* GetToolBar() const
Returns a pointer to the toolbar currently associated with the frame (if any).
See also
wxFrame::CreateToolBar, wxToolBar, wxFrame::SetToolBar
void Iconize(bool iconize)
Iconizes or restores the frame.
Parameters
iconize
See also
wxFrame::IsIconized, wxFrame::Maximize.
bool IsFullScreen()
Returns true if the frame is in fullscreen mode.
See also
bool IsIconized() const
Returns true if the frame is iconized.
bool IsMaximized() const
Returns true if the frame is maximized.
void Maximize(bool maximize)
Maximizes or restores the frame.
Parameters
maximize
Remarks
This function only works under Windows.
See also
virtual wxStatusBar* OnCreateStatusBar(int number, long style, wxWindowID id, const wxString& name)
Virtual function called when a status bar is requested by wxFrame::CreateStatusBar.
Parameters
number
style
id
name
Return value
A status bar object.
Remarks
An application can override this function to return a different kind of status bar. The default implementation returns an instance of wxStatusBar.
See also
wxFrame::CreateStatusBar, wxStatusBar.
virtual wxToolBar* OnCreateToolBar(long style, wxWindowID id, const wxString& name)
Virtual function called when a toolbar is requested by wxFrame::CreateToolBar.
Parameters
style
id
name
Return value
A toolbar object.
Remarks
An application can override this function to return a different kind of toolbar. The default implementation returns an instance of wxToolBar.
See also
wxFrame::CreateToolBar, wxToolBar.
void SendSizeEvent()
This function sends a dummy size event to the frame forcing it to reevaluate its children positions. It is sometimes useful to call this function after adding or deleting a children after the frame creation or if a child size changes.
Note that if the frame is using either sizers or constraints for the children layout, it is enough to call Layout() directly and this function should not be used in this case.
void SetIcon(const wxIcon& icon)
Sets the icon for this frame.
Parameters
icon
Remarks
The frame takes a 'copy' of icon, but since it uses reference counting, the copy is very quick. It is safe to delete icon after calling this function.
See also wxIcon.
void SetIcons(const wxIconBundle& icons)
Sets the icons for this frame.
Parameters
icons
See also wxIconBundle.
void SetMenuBar(wxMenuBar* menuBar)
Tells the frame to show the given menu bar.
Parameters
menuBar
Remarks
If the frame is destroyed, the menu bar and its menus will be destroyed also, so do not delete the menu bar explicitly (except by resetting the frame's menu bar to another frame or NULL).
Under Windows, a size event is generated, so be sure to initialize data members properly before calling SetMenuBar.
Note that on some platforms, it is not possible to call this function twice for the same frame object.
See also
wxFrame::GetMenuBar, wxMenuBar, wxMenu.
bool SetShape(const wxRegion& region)
If the platform supports it, sets the shape of the window to that depicted by region. The system will not display or respond to any mouse event for the pixels that lie outside of the region. To reset the window to the normal rectangular shape simply call SetShape again with an empty region. Returns TRUE if the operation is successful.
void SetStatusBar(wxStatusBar* statusBar)
Associates a status bar with the frame.
See also
wxFrame::CreateStatusBar, wxStatusBar, wxFrame::GetStatusBar
void SetStatusBarPane(int n)
Set the status bar pane used to display menu and toolbar help. Using -1 disables help display.
virtual void SetStatusText(const wxString& text, int number = 0)
Sets the status bar text and redraws the status bar.
Parameters
text
number
Remarks
Use an empty string to clear the status bar.
See also
wxFrame::CreateStatusBar, wxStatusBar
virtual void SetStatusWidths(int n, int *widths)
Sets the widths of the fields in the status bar.
Parameters
nThe number of fields in the status bar. It must be the same used in CreateStatusBar.
widths
Remarks
The widths of the variable fields are calculated from the total width of all fields, minus the sum of widths of the non-variable fields, divided by the number of variable fields.
wxPython note: Only a single parameter is required, a Python list of integers.
wxPerl note: In wxPerl this method takes the field widths as parameters.
void SetToolBar(wxToolBar* toolBar)
Associates a toolbar with the frame.
See also
wxFrame::CreateToolBar, wxToolBar, wxFrame::GetToolBar
virtual void SetTitle(const wxString& title)
Sets the frame title.
Parameters
title
See also
bool ShowFullScreen(bool show, long style = wxFULLSCREEN_ALL)
Depending on the value of show parameter the frame is either shown full screen or restored to its normal state. style is a bit list containing some or all of the following values, which indicate what elements of the frame to hide in full-screen mode:
This function has not been tested with MDI frames.
Note that showing a frame full screen also actually Show()s if it hadn't been shown yet.
See also