// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
+
+/**
+ Valid values for wxWindow::ShowWithEffect() and wxWindow::HideWithEffect().
+*/
+enum wxShowEffect
+{
+ /// Roll window to the left
+ wxSHOW_EFFECT_ROLL_TO_LEFT,
+
+ /// Roll window to the right
+ wxSHOW_EFFECT_ROLL_TO_RIGHT,
+
+ /// Roll window to the top
+ wxSHOW_EFFECT_ROLL_TO_TOP,
+
+ /// Roll window to the bottom
+ wxSHOW_EFFECT_ROLL_TO_BOTTOM,
+
+ /// Slide window to the left
+ wxSHOW_EFFECT_SLIDE_TO_LEFT,
+
+ /// Slide window to the right
+ wxSHOW_EFFECT_SLIDE_TO_RIGHT,
+
+ /// Slide window to the top
+ wxSHOW_EFFECT_SLIDE_TO_TOP,
+
+ /// Slide window to the bottom
+ wxSHOW_EFFECT_SLIDE_TO_BOTTOM,
+
+ /// Fade in or out effect
+ wxSHOW_EFFECT_BLEND,
+
+ /// Expanding or collapsing effect
+ wxSHOW_EFFECT_EXPAND
+};
+
+/**
+ Different window variants, on platforms like eg mac uses different
+ rendering sizes.
+*/
+enum wxWindowVariant
+{
+ wxWINDOW_VARIANT_NORMAL, //!< Normal size
+ wxWINDOW_VARIANT_SMALL, //!< Smaller size (about 25 % smaller than normal)
+ wxWINDOW_VARIANT_MINI, //!< Mini size (about 33 % smaller than normal)
+ wxWINDOW_VARIANT_LARGE, //!< Large size (about 25 % larger than normal)
+ wxWINDOW_VARIANT_MAX
+};
+
+
/**
@class wxWindow
- wxWindow is the base class for all windows and represents any visible object on
- screen. All controls, top level windows and so on are windows. Sizers and
+ wxWindow is the base class for all windows and represents any visible object
+ om screen. All controls, top level windows and so on are windows. Sizers and
device contexts are not, however, as they don't appear on screen themselves.
Please note that all children of the window will be deleted automatically by
@beginExtraStyleTable
@style{wxWS_EX_VALIDATE_RECURSIVELY}
- By default, Validate/TransferDataTo/FromWindow() only work on
- direct children of the window (compatible behaviour). Set this flag
- to make them recursively descend into all subwindows.
+ By default, wxWindow::Validate(), wxWindow::TransferDataTo() and
+ wxWindow::TransferDataFromWindow() only work on
+ direct children of the window (compatible behaviour).
+ Set this flag to make them recursively descend into all subwindows.
@style{wxWS_EX_BLOCK_EVENTS}
wxCommandEvents and the objects of the derived classes are
forwarded to the parent window and so on recursively by default.
Using this flag for the given window allows to block this
propagation at this window, i.e. prevent the events from being
- propagated further upwards. Dialogs have this flag on by default.
+ propagated further upwards. Dialogs have this flag on by default
+ for the reasons explained in the @ref overview_events.
@style{wxWS_EX_TRANSIENT}
Don't use this window as an implicit parent for the other windows:
this must be used with transient windows as otherwise there is the
risk of creating a dialog/frame with this window as a parent which
would lead to a crash if the parent is destroyed before the child.
+ @style{wxWS_EX_CONTEXTHELP}
+ Under Windows, puts a query button on the caption. When pressed,
+ Windows will go into a context-sensitive help mode and wxWidgets
+ will send a @c wxEVT_HELP event if the user clicked on an application window.
+ This style cannot be used (because of the underlying native behaviour)
+ together with @c wxMAXIMIZE_BOX or @c wxMINIMIZE_BOX, so these two styles
+ are automatically turned off if this one is used.
@style{wxWS_EX_PROCESS_IDLE}
This window should always process idle events, even if the mode set
- by wxIdleEvent::SetMode is wxIDLE_PROCESS_SPECIFIED.
+ by wxIdleEvent::SetMode is @c wxIDLE_PROCESS_SPECIFIED.
@style{wxWS_EX_PROCESS_UI_UPDATES}
This window should always process UI update events, even if the
- mode set by wxUpdateUIEvent::SetMode is
- wxUPDATE_UI_PROCESS_SPECIFIED.
+ mode set by wxUpdateUIEvent::SetMode is @c wxUPDATE_UI_PROCESS_SPECIFIED.
@endExtraStyleTable
+ @beginEventEmissionTable
+ @event{EVT_ACTIVATE(id, func)}
+ Process a @c wxEVT_ACTIVATE event. See wxActivateEvent.
+ @event{EVT_CHILD_FOCUS(func)}
+ Process a @c wxEVT_CHILD_FOCUS event. See wxChildFocusEvent.
+ @event{EVT_CONTEXT_MENU(func)}
+ A right click (or other context menu command depending on platform) has been detected.
+ See wxContextMenuEvent.
+ @event{EVT_HELP(id, func)}
+ Process a @c wxEVT_HELP event. See wxHelpEvent.
+ @event{EVT_HELP_RANGE(id1, id2, func)}
+ Process a @c wxEVT_HELP event for a range of ids. See wxHelpEvent.
+ @event{EVT_DROP_FILES(func)}
+ Process a @c wxEVT_DROP_FILES event. See wxDropFilesEvent.
+ @event{EVT_ERASE_BACKGROUND(func)}
+ Process a @c wxEVT_ERASE_BACKGROUND event. See wxEraseEvent.
+ @event{EVT_SET_FOCUS(func)}
+ Process a @c wxEVT_SET_FOCUS event. See wxFocusEvent.
+ @event{EVT_KILL_FOCUS(func)}
+ Process a @c wxEVT_KILL_FOCUS event. See wxFocusEvent.
+ @event{EVT_IDLE(func)}
+ Process a @c wxEVT_IDLE event. See wxIdleEvent.
+ @event{EVT_JOY_*(func)}
+ Processes joystick events. See wxJoystickEvent.
+ @event{EVT_KEY_DOWN(func)}
+ Process a @c wxEVT_KEY_DOWN event (any key has been pressed).
+ See wxKeyEvent.
+ @event{EVT_KEY_UP(func)}
+ Process a @c wxEVT_KEY_UP event (any key has been released).
+ @event{EVT_CHAR(func)}
+ Process a @c wxEVT_CHAR event.
+ See wxKeyEvent.
+ @event{EVT_MOUSE_CAPTURE_LOST(func)}
+ Process a @c wxEVT_MOUSE_CAPTURE_LOST event. See wxMouseCaptureLostEvent.
+ @event{EVT_MOUSE_CAPTURE_CHANGED(func)}
+ Process a @c wxEVT_MOUSE_CAPTURE_CHANGED event. See wxMouseCaptureChangedEvent.
+ @event{EVT_MOUSE_*(func)}
+ See wxMouseEvent.
+ @event{EVT_PAINT(func)}
+ Process a @c wxEVT_PAINT event. See wxPaintEvent.
+ @event{EVT_POWER_*(func)}
+ The system power state changed. See wxPowerEvent.
+ @event{EVT_SCROLLWIN_*(func)}
+ Process scroll events. See wxScrollWinEvent.
+ @event{EVT_SET_CURSOR(func)}
+ Process a @c wxEVT_SET_CURSOR event. See wxSetCursorEvent.
+ @event{EVT_SHOW(func)}
+ Process a @c wxEVT_SHOW event. See wxShowEvent.
+ @event{EVT_SIZE(func)}
+ Process a @c wxEVT_SIZE event. See wxSizeEvent.
+ @event{EVT_SYS_COLOUR_CHANGED(func)}
+ Process a @c wxEVT_SYS_COLOUR_CHANGED event. See wxSysColourChangedEvent.
+ @endEventTable
+
@library{wxcore}
- @category{FIXME}
+ @category{miscwnd}
- @see @ref overview_eventhandling "Event handling overview",
- @ref overview_windowsizing "Window sizing overview"
+ @see @ref overview_events, @ref overview_windowsizing
*/
class wxWindow : public wxEvtHandler
{
Default constructor
*/
wxWindow();
-
+
/**
Constructs a window, which can be a child of a frame, dialog or any other
non-control window.
Window identifier. If wxID_ANY, will automatically create an identifier.
@param pos
Window position. wxDefaultPosition indicates that wxWidgets
- should generate a default position for the window. If using the wxWindow
- class directly, supply
- an actual position.
+ should generate a default position for the window.
+ If using the wxWindow class directly, supply an actual position.
@param size
- Window size. wxDefaultSize indicates that wxWidgets
- should generate a default size for the window. If no suitable size can be
- found, the
+ Window size. wxDefaultSize indicates that wxWidgets should generate
+ a default size for the window. If no suitable size can be found, the
window will be sized to 20x20 pixels so that the window is visible but
- obviously not
- correctly sized.
+ obviously not correctly sized.
@param style
Window style. For generic window styles, please see wxWindow.
@param name
const wxString& name = wxPanelNameStr);
/**
- Destructor. Deletes all sub-windows, then deletes itself. Instead of using
- the @b delete operator explicitly, you should normally
- use Destroy() so that wxWidgets
- can delete a window only when it is safe to do so, in idle time.
+ Destructor.
+
+ Deletes all sub-windows, then deletes itself. Instead of using
+ the @b delete operator explicitly, you should normally use Destroy()
+ so that wxWidgets can delete a window only when it is safe to do so, in idle time.
@see @ref overview_windowdeletion "Window Deletion Overview",
Destroy(), wxCloseEvent
*/
- ~wxWindow();
+ virtual ~wxWindow();
+
+
+ /**
+ @name Focus functions
+
+ See also the static function FindFocus().
+ */
+ //@{
/**
This method may be overridden in the derived classes to return @false to
- indicate that this control doesn't accept input at all (i.e. behaves like e.g.
- wxStaticText) and so doesn't need focus.
+ indicate that this control doesn't accept input at all (i.e. behaves like
+ e.g. wxStaticText) and so doesn't need focus.
@see AcceptsFocusFromKeyboard()
*/
/**
Overridden to indicate wehter this window or one of its children accepts
focus. Usually it's the same as AcceptsFocus() but is overridden for
- container windows
+ container windows.
*/
virtual bool AcceptsFocusRecursively() const;
-
+
/**
- Adds a child window. This is called automatically by window creation
- functions so should not be required by the application programmer.
- Notice that this function is mostly internal to wxWidgets and shouldn't be
- called by the user code.
+ Returns @true if the window (or in case of composite controls, its main
+ child window) has focus.
- @param child
- Child window to add.
+ @see FindFocus()
*/
- virtual void AddChild(wxWindow* child);
+ virtual bool HasFocus() const;
/**
- Call this function to force one or both scrollbars to be always shown, even if
- the window is big enough to show its entire contents without scrolling.
+ This method is only implemented by ports which have support for
+ native TAB traversal (such as GTK+ 2.0).
- @since 2.9.0
+ It is called by wxWidgets' container control code to give the native
+ system a hint when doing TAB traversal. A call to this does not disable
+ or change the effect of programmatically calling SetFocus().
- @param hflag
- Whether the horizontal scroll bar should always be visible.
- @param vflag
- Whether the vertical scroll bar should always be visible.
+ @see wxFocusEvent, wxPanel::SetFocus, wxPanel::SetFocusIgnoringChildren
+ */
+ virtual void SetCanFocus(bool canFocus);
- @remarks This function is currently only implemented under Mac/Carbon.
+ /**
+ This sets the window to receive keyboard input.
+
+ @see HasFocus(), wxFocusEvent, wxPanel::SetFocus,
+ wxPanel::SetFocusIgnoringChildren
*/
- void AlwaysShowScrollbars(bool hflag, bool vflag);
+ virtual void SetFocus();
/**
- Sets the cached best size value.
+ This function is called by wxWidgets keyboard navigation code when the user
+ gives the focus to this window from keyboard (e.g. using @c TAB key).
+
+ By default this method simply calls SetFocus() but
+ can be overridden to do something in addition to this in the derived classes.
*/
- void CacheBestSize(const wxSize& size) const;
+ virtual void SetFocusFromKbd();
+
+ //@}
+
/**
- Returns @true if the system supports transparent windows and calling
- SetTransparent() may succeed. If this function
- returns @false, transparent windows are definitely not supported by the
- current
- system.
+ @name Child management functions
*/
- bool CanSetTransparent();
+ //@{
/**
- Directs all mouse input to this window. Call ReleaseMouse() to
- release the capture.
- Note that wxWidgets maintains the stack of windows having captured the mouse
- and when the mouse is released the capture returns to the window which had had
- captured it previously and it is only really released if there were no previous
- window. In particular, this means that you must release the mouse as many times
- as you capture it, unless the window receives
- the wxMouseCaptureLostEvent event.
- Any application which captures the mouse in the beginning of some operation
- must handle wxMouseCaptureLostEvent
- and cancel this operation when it receives the event. The event handler must
- not recapture mouse.
+ Adds a child window. This is called automatically by window creation
+ functions so should not be required by the application programmer.
+ Notice that this function is mostly internal to wxWidgets and shouldn't be
+ called by the user code.
- @see ReleaseMouse(), wxMouseCaptureLostEvent
+ @param child
+ Child window to add.
*/
- virtual void CaptureMouse();
+ virtual void AddChild(wxWindow* child);
/**
- A synonym for Centre().
+ Destroys all children of a window. Called automatically by the destructor.
*/
- void Center(int direction);
+ bool DestroyChildren();
/**
- A synonym for CentreOnParent().
+ Find a child of this window, by @a id.
+ May return @a this if it matches itself.
*/
- void CenterOnParent(int direction);
+ wxWindow* FindWindow(long id) const;
/**
- Centres the window.
-
- @param direction
- Specifies the direction for the centering. May be wxHORIZONTAL, wxVERTICAL
- or wxBOTH. It may also include wxCENTRE_ON_SCREEN flag
- if you want to center the window on the entire screen and not on its
- parent window.
-
- @remarks If the window is a top level one (i.e. doesn't have a parent),
- it will be centered relative to the screen anyhow.
+ Find a child of this window, by name.
+ May return @a this if it matches itself.
+ */
+ wxWindow* FindWindow(const wxString& name) const;
- @see Center()
+ /**
+ Returns a reference to the list of the window's children. @c wxWindowList
+ is a type-safe wxList-like class whose elements are of type @c wxWindow*.
*/
- void Centre(int direction = wxBOTH);
+ wxWindowList& GetChildren();
/**
- Centres the window on its parent. This is a more readable synonym for
- Centre().
+ @overload
+ */
+ const wxWindowList& GetChildren() const;
- @param direction
- Specifies the direction for the centering. May be wxHORIZONTAL, wxVERTICAL
- or wxBOTH.
+ /**
+ Removes a child window.
- @remarks This methods provides for a way to center top level windows over
- their parents instead of the entire screen. If there
- is no parent or if the window is not a top level
- window, then behaviour is the same as Centre().
+ This is called automatically by window deletion functions so should not
+ be required by the application programmer.
+ Notice that this function is mostly internal to wxWidgets and shouldn't be
+ called by the user code.
- @see wxTopLevelWindow::CentreOnScreen
+ @param child
+ Child window to remove.
*/
- void CentreOnParent(int direction = wxBOTH);
+ virtual void RemoveChild(wxWindow* child);
+
+ //@}
+
/**
- Clears the window by filling it with the current background colour. Does not
- cause an erase background event to be generated.
+ @name Sibling and parent management functions
*/
- void ClearBackground();
-
//@{
- /**
- Converts to screen coordinates from coordinates relative to this window.
- @param x
- A pointer to a integer value for the x coordinate. Pass the client
- coordinate in, and
- a screen coordinate will be passed out.
- @param y
- A pointer to a integer value for the y coordinate. Pass the client
- coordinate in, and
- a screen coordinate will be passed out.
- @param pt
- The client position for the second form of the function.
+ /**
+ Returns the grandparent of a window, or @NULL if there isn't one.
*/
- void ClientToScreen(int* x, int* y) const;
- wxPoint ClientToScreen(const wxPoint& pt) const;
- //@}
+ wxWindow* GetGrandParent() const;
/**
- Converts client area size @a size to corresponding window size. In
- other words, the returned value is what would GetSize() return if this
- window had client area of given size. Components with wxDefaultCoord
- value are left unchanged. Note that the conversion is not always
- exact, it assumes that non-client area doesn't change and so doesn't
- take into account things like menu bar (un)wrapping or (dis)appearance
- of the scrollbars.
+ Returns the next window after this one among the parent children or @NULL
+ if this window is the last child.
@since 2.8.8
- @see WindowToClientSize()
+ @see GetPrevSibling()
*/
- virtual wxSize ClientToWindowSize(const wxSize& size);
+ wxWindow* GetNextSibling() const;
/**
- Converts window size @a size to corresponding client area size. In
- other words, the returned value is what would GetClientSize() return if
- this window had given window size. Components with wxDefaultCoord value
- are left unchanged.
+ Returns the parent of the window, or @NULL if there is no parent.
+ */
+ wxWindow* GetParent() const;
- Note that the conversion is not always exact, it assumes that
- non-client area doesn't change and so doesn't take into account things
- like menu bar (un)wrapping or (dis)appearance of the scrollbars.
+ /**
+ Returns the previous window before this one among the parent children or @c
+ @NULL if this window is the first child.
@since 2.8.8
- @see ClientToWindowSize()
+ @see GetNextSibling()
*/
- virtual wxSize WindowToClientSize(const wxSize& size);
-
+ wxWindow* GetPrevSibling() const;
/**
- This function simply generates a wxCloseEvent whose
- handler usually tries to close the window. It doesn't close the window
- itself, however.
+ Reparents the window, i.e the window will be removed from its
+ current parent window (e.g. a non-standard toolbar in a wxFrame)
+ and then re-inserted into another.
- @param force
- @false if the window's close handler should be able to veto the destruction
- of this window, @true if it cannot.
+ @param newParent
+ New parent.
+ */
+ virtual bool Reparent(wxWindow* newParent);
- @remarks Close calls the close handler for the window, providing an
- opportunity for the window to choose whether to destroy
- the window. Usually it is only used with the top level
- windows (wxFrame and wxDialog classes) as the others
- are not supposed to have any special OnClose() logic.
+ //@}
- @see @ref overview_windowdeletion "Window Deletion Overview",
- Destroy(), wxCloseEvent
- */
- bool Close(bool force = false);
- //@{
/**
- Converts a point or size from dialog units to pixels.
- For the x dimension, the dialog units are multiplied by the average character
- width
- and then divided by 4.
- For the y dimension, the dialog units are multiplied by the average character
- height
- and then divided by 8.
+ @name Scrolling and scrollbars functions
- @remarks Dialog units are used for maintaining a dialog's proportions
- even if the font changes.
-
- @see ConvertPixelsToDialog()
+ Note that these methods don't work with native controls which don't use
+ wxWidgets scrolling framework (i.e. don't derive from wxScrolledWindow).
*/
- wxPoint ConvertDialogToPixels(const wxPoint& pt);
- wxSize ConvertDialogToPixels(const wxSize& sz);
- //@}
-
//@{
+
/**
- Converts a point or size from pixels to dialog units.
- For the x dimension, the pixels are multiplied by 4 and then divided by the
- average
- character width.
- For the y dimension, the pixels are multiplied by 8 and then divided by the
- average
- character height.
+ Call this function to force one or both scrollbars to be always shown, even if
+ the window is big enough to show its entire contents without scrolling.
- @remarks Dialog units are used for maintaining a dialog's proportions
- even if the font changes.
+ @since 2.9.0
- @see ConvertDialogToPixels()
+ @param hflag
+ Whether the horizontal scroll bar should always be visible.
+ @param vflag
+ Whether the vertical scroll bar should always be visible.
+
+ @remarks This function is currently only implemented under Mac/Carbon.
*/
- wxPoint ConvertPixelsToDialog(const wxPoint& pt);
- wxSize ConvertPixelsToDialog(const wxSize& sz);
- //@}
+ virtual void AlwaysShowScrollbars(bool hflag = true, bool vflag = true);
/**
- Destroys the window safely. Use this function instead of the delete operator,
- since
- different window classes can be destroyed differently. Frames and dialogs
- are not destroyed immediately when this function is called -- they are added
- to a list of windows to be deleted on idle time, when all the window's events
- have been processed. This prevents problems with events being sent to
- non-existent
- windows.
+ Returns the built-in scrollbar position.
- @return @true if the window has either been successfully deleted, or it
- has been added to the list of windows pending real
- deletion.
+ @see SetScrollbar()
*/
- virtual bool Destroy();
+ virtual int GetScrollPos(int orientation) const;
/**
- Destroys all children of a window. Called automatically by the destructor.
+ Returns the built-in scrollbar range.
+
+ @see SetScrollbar()
*/
- virtual void DestroyChildren();
+ virtual int GetScrollRange(int orientation) const;
/**
- Disables the window. Same as @ref Enable() Enable(@false).
+ Returns the built-in scrollbar thumb size.
- @return Returns @true if the window has been disabled, @false if it had
- been already disabled before the call to this function.
+ @see SetScrollbar()
*/
- bool Disable();
+ virtual int GetScrollThumb(int orientation) const;
/**
- Gets the size which best suits the window: for a control, it would be
- the minimal size which doesn't truncate the control, for a panel - the
- same size as it would have after a call to Fit().
+ Returns @true if this window has a scroll bar for this orientation.
- The default implementation of this function is designed for use in container
- windows, such as wxPanel, and works something like this:
- -# If the window has a sizer then it is used to calculate the best size.
- -# Otherwise if the window has layout constraints then those are used to
- calculate the best size.
- -# Otherwise if the window has children then the best size is set to be large
- enough to show all the children.
- -# Otherwise if there are no children then the window's minimal size will be
- used as its best size.
- -# Otherwise if there is no minimal size set, then the current size is used
- for the best size.
+ @param orient
+ Orientation to check, either wxHORIZONTAL or wxVERTICAL.
+ */
+ bool HasScrollbar(int orient) const;
- @see @ref overview_windowsizing
+ /**
+ Return whether a scrollbar is always shown.
+
+ @param orient
+ Orientation to check, either wxHORIZONTAL or wxVERTICAL.
+
+ @see AlwaysShowScrollbars()
*/
- virtual wxSize DoGetBestSize() const;
+ virtual bool IsScrollbarAlwaysShown(int orient) const;
/**
- Does the window-specific updating after processing the update event.
- This function is called by UpdateWindowUI() in order to check return
- values in the wxUpdateUIEvent and act appropriately.
+ Scrolls the window by the given number of lines down (if @a lines is
+ positive) or up.
+
+ @return Returns @true if the window was scrolled, @false if it was already
+ on top/bottom and nothing was done.
+
+ @remarks This function is currently only implemented under MSW and
+ wxTextCtrl under wxGTK (it also works for wxScrolled classes
+ under all platforms).
+
+ @see ScrollPages()
*/
- virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
+ virtual bool ScrollLines(int lines);
/**
- Enables or disables eligibility for drop file events (OnDropFiles).
+ Scrolls the window by the given number of pages down (if @a pages is
+ positive) or up.
- @param accept
- If @true, the window is eligible for drop file events. If @false, the window
- will not accept drop file events.
+ @return Returns @true if the window was scrolled, @false if it was already
+ on top/bottom and nothing was done.
+
+ @remarks This function is currently only implemented under MSW and wxGTK.
- @remarks Windows only.
+ @see ScrollLines()
*/
- virtual void DragAcceptFiles(bool accept);
+ virtual bool ScrollPages(int pages);
/**
- Enable or disable the window for user input. Note that when a parent window is
- disabled, all of its children are disabled as well and they are reenabled again
- when the parent is.
+ Physically scrolls the pixels in the window and move child windows accordingly.
- @param enable
- If @true, enables the window for input. If @false, disables the window.
+ @param dx
+ Amount to scroll horizontally.
+ @param dy
+ Amount to scroll vertically.
+ @param rect
+ Rectangle to scroll, if it is @NULL, the whole window is
+ scrolled (this is always the case under wxGTK which doesn't support this
+ parameter)
- @return Returns @true if the window has been enabled or disabled, @false
- if nothing was done, i.e. if the window had already
- been in the specified state.
+ @remarks Note that you can often use wxScrolled instead of using this
+ function directly.
+ */
+ virtual void ScrollWindow(int dx, int dy,
+ const wxRect* rect = NULL);
- @see IsEnabled(), Disable(), wxRadioBox::Enable
+ /**
+ Same as #ScrollLines (-1).
*/
- virtual bool Enable(bool enable = true);
+ bool LineUp();
/**
- Finds the window or control which currently has the keyboard focus.
+ Same as #ScrollLines (1).
+ */
+ bool LineDown();
- @remarks Note that this is a static function, so it can be called without
- needing a wxWindow pointer.
+ /**
+ Same as #ScrollPages (-1).
+ */
+ bool PageUp();
- @see SetFocus(), HasFocus()
+ /**
+ Same as #ScrollPages (1).
*/
- static wxWindow* FindFocus();
+ bool PageDown();
/**
- Find a child of this window, by @a id. May return @a this if
- it matches itself.
+ Sets the position of one of the built-in scrollbars.
+
+ @param orientation
+ Determines the scrollbar whose position is to be set.
+ May be wxHORIZONTAL or wxVERTICAL.
+ @param pos
+ Position in scroll units.
+ @param refresh
+ @true to redraw the scrollbar, @false otherwise.
+
+ @remarks This function does not directly affect the contents of the
+ window: it is up to the application to take note of
+ scrollbar attributes and redraw contents accordingly.
+
+ @see SetScrollbar(), GetScrollPos(), GetScrollThumb(), wxScrollBar,
+ wxScrolled
*/
- wxWindow* FindWindow(long id) const;
-
+ virtual void SetScrollPos(int orientation, int pos,
+ bool refresh = true);
/**
- Find a child of this window, by name. May return @a this if
- it matches itself.
+ Sets the scrollbar properties of a built-in scrollbar.
+
+ @param orientation
+ Determines the scrollbar whose page size is to be set.
+ May be wxHORIZONTAL or wxVERTICAL.
+ @param position
+ The position of the scrollbar in scroll units.
+ @param thumbSize
+ The size of the thumb, or visible portion of the scrollbar, in scroll units.
+ @param range
+ The maximum position of the scrollbar. Value of -1 can be used to
+ ask for the scrollbar to be shown but in the disabled state: this
+ can be used to avoid removing the scrollbar even when it is not
+ needed (currently this is only implemented in wxMSW port).
+ @param refresh
+ @true to redraw the scrollbar, @false otherwise.
+
+ @remarks
+ Let's say you wish to display 50 lines of text, using the same font.
+ The window is sized so that you can only see 16 lines at a time.
+ You would use:
+ @code
+ SetScrollbar(wxVERTICAL, 0, 16, 50);
+ @endcode
+ Note that with the window at this size, the thumb position can never
+ go above 50 minus 16, or 34. You can determine how many lines are
+ currently visible by dividing the current view size by the character
+ height in pixels.
+ When defining your own scrollbar behaviour, you will always need
+ to recalculate the scrollbar settings when the window size changes.
+ You could therefore put your scrollbar calculations and SetScrollbar
+ call into a function named AdjustScrollbars, which can be called
+ initially and also from your wxSizeEvent handler function.
+
+ @see @ref overview_scrolling, wxScrollBar, wxScrolled, wxScrollWinEvent
*/
- wxWindow* FindWindow(const wxString& name) const;
+ virtual void SetScrollbar(int orientation, int position,
+ int thumbSize, int range,
+ bool refresh = true);
+ //@}
+
/**
- Find the first window with the given @e id.
- If @a parent is @NULL, the search will start from all top-level
- frames and dialog boxes; if non-@NULL, the search will be limited to the given
- window hierarchy.
- The search is recursive in both cases.
+ @name Sizing functions
- @see FindWindow()
+ See also the protected functions DoGetBestSize() and SetInitialBestSize().
*/
- static wxWindow* FindWindowById(long id, wxWindow* parent = NULL);
+ //@{
/**
- Find a window by its label. Depending on the type of window, the label may be a
- window title
- or panel item label. If @a parent is @NULL, the search will start from all
- top-level
- frames and dialog boxes; if non-@NULL, the search will be limited to the given
- window hierarchy.
- The search is recursive in both cases.
+ Sets the cached best size value.
- @see FindWindow()
+ @see GetBestSize()
*/
- static wxWindow* FindWindowByLabel(const wxString& label,
- wxWindow* parent = NULL);
+ void CacheBestSize(const wxSize& size) const;
/**
- Find a window by its name (as given in a window constructor or @b Create
- function call).
- If @a parent is @NULL, the search will start from all top-level
- frames and dialog boxes; if non-@NULL, the search will be limited to the given
- window hierarchy.
- The search is recursive in both cases.
- If no window with such name is found,
- FindWindowByLabel() is called.
+ Converts client area size @a size to corresponding window size.
- @see FindWindow()
+ In other words, the returned value is what would GetSize() return if this
+ window had client area of given size. Components with wxDefaultCoord
+ value are left unchanged. Note that the conversion is not always
+ exact, it assumes that non-client area doesn't change and so doesn't
+ take into account things like menu bar (un)wrapping or (dis)appearance
+ of the scrollbars.
+
+ @since 2.8.8
+
+ @see WindowToClientSize()
*/
- static wxWindow* FindWindowByName(const wxString& name,
- wxWindow* parent = NULL);
+ virtual wxSize ClientToWindowSize(const wxSize& size) const;
+
+ /**
+ Converts window size @a size to corresponding client area size
+ In other words, the returned value is what would GetClientSize() return if
+ this window had given window size. Components with wxDefaultCoord value
+ are left unchanged.
+
+ Note that the conversion is not always exact, it assumes that
+ non-client area doesn't change and so doesn't take into account things
+ like menu bar (un)wrapping or (dis)appearance of the scrollbars.
+
+ @since 2.8.8
+
+ @see ClientToWindowSize()
+ */
+ virtual wxSize WindowToClientSize(const wxSize& size) const;
/**
Sizes the window so that it fits around its subwindows.
to call:
@code
- window->SetClientSize(child->GetSize());
+ window->SetClientSize(child->GetSize());
@endcode
instead of calling Fit().
virtual void Fit();
/**
- Similar to Fit(), but sizes the interior (virtual) size
- of a window. Mainly useful with scrolled windows to reset scrollbars after
- sizing changes that do not trigger a size event, and/or scrolled windows without
- an interior sizer. This function similarly won't do anything if there are no
- subwindows.
+ Similar to Fit(), but sizes the interior (virtual) size of a window.
+
+ Mainly useful with scrolled windows to reset scrollbars after sizing
+ changes that do not trigger a size event, and/or scrolled windows without
+ an interior sizer. This function similarly won't do anything if there are
+ no subwindows.
*/
virtual void FitInside();
/**
- Freezes the window or, in other words, prevents any updates from taking
- place on screen, the window is not redrawn at all.
+ This functions returns the best acceptable minimal size for the window.
- Thaw() must be called to reenable window redrawing. Calls to these two
- functions may be nested but to ensure that the window is properly
- repainted again, you must thaw it exactly as many times as you froze
- it.
+ For example, for a static control, it will be the minimal size such that the
+ control label is not truncated. For windows containing subwindows (typically
+ wxPanel), the size returned by this function will be the same as the size
+ the window would have had after calling Fit().
- If the window has any children, they are recursively frozen too.
+ Note that when you write your own widget you need to overload the
+ DoGetBestSize() function instead of this (non-virtual!) function.
- This method is useful for visual appearance optimization (for example,
- it is a good idea to use it before doing many large text insertions in
- a row into a wxTextCtrl under wxGTK) but is not implemented on all
- platforms nor for all controls so it is mostly just a hint to wxWidgets
- and not a mandatory directive.
+ @see CacheBestSize(), @ref overview_windowsizing
+ */
+ wxSize GetBestSize() const;
- @see wxWindowUpdateLocker, Thaw(), IsFrozen()
+ /**
+ Returns the size of the window 'client area' in pixels.
+
+ The client area is the area which may be drawn on by the programmer,
+ excluding title bar, border, scrollbars, etc.
+ Note that if this window is a top-level one and it is currently minimized, the
+ return size is empty (both width and height are 0).
+
+ @see GetSize(), GetVirtualSize()
*/
- virtual void Freeze();
+ void GetClientSize(int* width, int* height) const;
/**
- Gets the accelerator table for this window. See wxAcceleratorTable.
+ @overload
*/
- wxAcceleratorTable* GetAcceleratorTable() const;
+ wxSize GetClientSize() const;
/**
- Returns the accessible object for this window, if any.
- See also wxAccessible.
+ Merges the window's best size into the min size and returns the result.
+ This is the value used by sizers to determine the appropriate
+ ammount of space to allocate for the widget.
+
+ This is the method called by any wxSizer when they query the size
+ of a certain window or control.
+
+ @see GetBestSize(), SetInitialSize(), @ref overview_windowsizing
*/
- wxAccessible* GetAccessible();
+ virtual wxSize GetEffectiveMinSize() const;
/**
- This method is deprecated, use GetEffectiveMinSize() instead.
+ Returns the maximum size of window's client area.
+
+ This is an indication to the sizer layout mechanism that this is the maximum
+ possible size as well as the upper bound on window's size settable using
+ SetClientSize().
+
+ @see GetMaxSize(), @ref overview_windowsizing
*/
- wxSize GetAdjustedBestSize() const;
+ virtual wxSize GetMaxClientSize() const;
/**
- Returns the background colour of the window.
+ Returns the maximum size of the window.
+
+ This is an indication to the sizer layout mechanism that this is the maximum
+ possible size as well as the upper bound on window's size settable using SetSize().
- @see SetBackgroundColour(), SetForegroundColour(),
- GetForegroundColour()
+ @see GetMaxClientSize(), @ref overview_windowsizing
*/
- wxColour GetBackgroundColour() const;
+ virtual wxSize GetMaxSize() const;
/**
- Returns the background style of the window. The background style can be one of:
+ Returns the minimum size of window's client area, an indication to the sizer
+ layout mechanism that this is the minimum required size of its client area.
- wxBG_STYLE_SYSTEM
+ It normally just returns the value set by SetMinClientSize(), but it can be
+ overridden to do the calculation on demand.
- Use the default background, as determined by
- the system or the current theme.
+ @see GetMinSize(), @ref overview_windowsizing
+ */
+ virtual wxSize GetMinClientSize() const;
- wxBG_STYLE_COLOUR
+ /**
+ Returns the minimum size of the window, an indication to the sizer layout
+ mechanism that this is the minimum required size.
- Use a solid colour for the background, this
- style is set automatically if you call
- SetBackgroundColour() so you only need to
- set it explicitly if you had changed the background style to something else
- before.
+ This method normally just returns the value set by SetMinSize(), but it
+ can be overridden to do the calculation on demand.
- wxBG_STYLE_CUSTOM
+ @see GetMinClientSize(), @ref overview_windowsizing
+ */
+ virtual wxSize GetMinSize() const;
- Don't draw the background at all, it's
- supposed that it is drawn by the user-defined erase background event handler.
- This style should be used to avoid flicker when the background is entirely
- custom-drawn.
+ /**
+ Returns the size of the entire window in pixels, including title bar, border,
+ scrollbars, etc.
- wxBG_STYLE_TRANSPARET
+ Note that if this window is a top-level one and it is currently minimized, the
+ returned size is the restored window size, not the size of the window icon.
- The background is (partially) transparent,
- this style is automatically set if you call
- SetTransparent() which is used to set the
- transparency level.
+ @param width
+ Receives the window width.
+ @param height
+ Receives the window height.
- @see SetBackgroundColour(), GetForegroundColour(),
- SetBackgroundStyle(), SetTransparent()
+ @see GetClientSize(), GetVirtualSize(), @ref overview_windowsizing
*/
- virtual wxBackgroundStyle GetBackgroundStyle() const;
+ void GetSize(int* width, int* height) const;
/**
- This functions returns the best acceptable minimal size for the window. For
- example, for a static control, it will be the minimal size such that the
- control label is not truncated. For windows containing subwindows (typically
- wxPanel), the size returned by this function will be the
- same as the size the window would have had after calling
- Fit().
+ See the GetSize(int*,int*) overload for more info.
*/
- wxSize GetBestSize() const;
+ wxSize GetSize() const;
/**
- Returns the currently captured window.
+ This gets the virtual size of the window in pixels.
+ By default it returns the client size of the window, but after a call to
+ SetVirtualSize() it will return the size set with that method.
- @see HasCapture(), CaptureMouse(), ReleaseMouse(),
- wxMouseCaptureLostEvent, wxMouseCaptureChangedEvent
+ @see @ref overview_windowsizing
*/
- static wxWindow* GetCapture();
+ wxSize GetVirtualSize() const;
/**
- Returns the caret() associated with the window.
+ Like the other GetVirtualSize() overload but uses pointers instead.
+
+ @param width
+ Receives the window virtual width.
+ @param height
+ Receives the window virtual height.
*/
- wxCaret* GetCaret() const;
+ void GetVirtualSize(int* width, int* height) const;
/**
- Returns the character height for this window.
+ Returns the size of the left/right and top/bottom borders of this window in x
+ and y components of the result respectively.
*/
- virtual int GetCharHeight() const;
+ virtual wxSize GetWindowBorderSize() const;
/**
- Returns the average character width for this window.
+ Resets the cached best size value so it will be recalculated the next time it
+ is needed.
+
+ @see CacheBestSize()
*/
- virtual int GetCharWidth() const;
+ void InvalidateBestSize();
- //@{
/**
- Returns a reference to the list of the window's children. @c wxWindowList
- is a type-safe wxList-like class whose elements are of type @c wxWindow*.
- */
- wxWindowList& GetChildren();
- const wxWindowList& GetChildren() const;
- //@}
+ Posts a size event to the window.
+
+ This is the same as SendSizeEvent() with @c wxSEND_EVENT_POST argument.
+ */
+ void PostSizeEvent();
/**
- Returns the default font and colours which are used by the control. This is
- useful if you want to use the same font or colour in your own control as in a
- standard control -- which is a much better idea than hard coding specific
- colours or fonts which might look completely out of place on the users
- system, especially if it uses themes.
- The @a variant parameter is only relevant under Mac currently and is
- ignore under other platforms. Under Mac, it will change the size of the
- returned font. See SetWindowVariant()
- for more about this.
- This static method is "overridden" in many derived classes and so calling,
- for example, wxButton::GetClassDefaultAttributes() will typically
- return the values appropriate for a button which will be normally different
- from those returned by, say, wxListCtrl::GetClassDefaultAttributes().
- The @c wxVisualAttributes structure has at least the fields
- @c font, @c colFg and @c colBg. All of them may be invalid
- if it was not possible to determine the default control appearance or,
- especially for the background colour, if the field doesn't make sense as is
- the case for @c colBg for the controls with themed background.
+ Posts a size event to the parent of this window.
- @see InheritAttributes()
- */
- static wxVisualAttributes GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
+ This is the same as SendSizeEventToParent() with @c wxSEND_EVENT_POST
+ argument.
+ */
+ void PostSizeEventToParent();
- //@{
/**
- Returns the size of the window 'client area' in pixels. The client area is the
- area which may be drawn on by the programmer, excluding title bar, border,
- scrollbars, etc.
- Note that if this window is a top-level one and it is currently minimized, the
- return size is empty (both width and height are 0).
+ This function sends a dummy @ref wxSizeEvent "size event" to
+ the window allowing it to re-layout its children positions.
- @param width
- Receives the client width in pixels.
- @param height
- Receives the client height in pixels.
+ 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 wxWindow::Layout() directly and this
+ function should not be used in this case.
- @see GetSize(), GetVirtualSize()
- */
- void GetClientSize(int* width, int* height) const;
- wxSize GetClientSize() const;
- //@}
+ If @a flags includes @c wxSEND_EVENT_POST value, this function posts
+ the event, i.e. schedules it for later processing, instead of
+ dispatching it directly. You can also use PostSizeEvent() as a more
+ readable equivalent of calling this function with this flag.
- /**
- Returns a pointer to the window's layout constraints, or @NULL if there are none.
+ @param flags
+ May include @c wxSEND_EVENT_POST. Default value is 0.
*/
- wxLayoutConstraints* GetConstraints() const;
+ virtual void SendSizeEvent(int flags = 0);
/**
- Return the sizer that this window is a member of, if any, otherwise
- @NULL.
- */
- wxSizer* GetContainingSizer() const;
+ Safe wrapper for GetParent()->SendSizeEvent().
+
+ This function simply checks that the window has a valid parent which is
+ not in process of being deleted and calls SendSizeEvent() on it. It is
+ used internally by windows such as toolbars changes to whose state
+ should result in parent re-layout (e.g. when a toolbar is added to the
+ top of the window, all the other windows must be shifted down).
+
+ @see PostSizeEventToParent()
+
+ @param flags
+ See description of this parameter in SendSizeEvent() documentation.
+ */
+ void SendSizeEventToParent(int flags = 0);
/**
- Return the cursor associated with this window.
+ This sets the size of the window client area in pixels.
- @see SetCursor()
+ Using this function to size a window tends to be more device-independent
+ than SetSize(), since the application need not worry about what dimensions
+ the border or title bar have when trying to fit the window around panel
+ items, for example.
+
+ @see @ref overview_windowsizing
*/
- const wxCursor& GetCursor() const;
+ virtual void SetClientSize(int width, int height);
/**
- Currently this is the same as calling
- wxWindow::GetClassDefaultAttributes(wxWindow::GetWindowVariant()).
- One advantage of using this function compared to the static version is that
- the call is automatically dispatched to the correct class (as usual with
- virtual functions) and you don't have to specify the class name explicitly.
- The other one is that in the future this function could return different
- results, for example it might return a different font for an "Ok" button
- than for a generic button if the users GUI is configured to show such buttons
- in bold font. Of course, the down side is that it is impossible to call this
- function without actually having an object to apply it to whereas the static
- version can be used without having to create an object first.
+ @overload
*/
- virtual wxVisualAttributes GetDefaultAttributes() const;
+ virtual void SetClientSize(const wxSize& size);
/**
- Returns the associated drop target, which may be @NULL.
-
- @see SetDropTarget(), @ref overview_dnd
+ This normally does not need to be called by user code.
+ It is called when a window is added to a sizer, and is used so the window
+ can remove itself from the sizer when it is destroyed.
*/
- wxDropTarget* GetDropTarget() const;
+ void SetContainingSizer(wxSizer* sizer);
/**
- Merges the window's best size into the min size and returns the result.
- This is the value used by sizers to determine the appropriate
- ammount of space to allocate for the widget.
+ A @e smart SetSize that will fill in default size components with the
+ window's @e best size values.
- @see GetBestSize(), SetInitialSize(), @ref overview_windowsizing
- */
- wxSize GetEffectiveMinSize() const;
+ Also sets the window's minsize to the value passed in for use with sizers.
+ This means that if a full or partial size is passed to this function then
+ the sizers will use that size instead of the results of GetBestSize() to
+ determine the minimum needs of the window for layout.
- /**
- Returns the event handler for this window. By default, the window is its
- own event handler.
+ Most controls will use this to set their initial size, and their min
+ size to the passed in value (if any.)
- @see SetEventHandler(), PushEventHandler(),
- PopEventHandler(), wxEvtHandler::ProcessEvent, wxEvtHandler
+ @see SetSize(), GetBestSize(), GetEffectiveMinSize(),
+ @ref overview_windowsizing
*/
- wxEvtHandler* GetEventHandler() const;
+ void SetInitialSize(const wxSize& size = wxDefaultSize);
/**
- Returns the extra style bits for the window.
+ Sets the maximum client size of the window, to indicate to the sizer
+ layout mechanism that this is the maximum possible size of its client area.
+
+ Note that this method is just a shortcut for:
+ @code
+ SetMaxSize(ClientToWindowSize(size));
+ @endcode
+
+ @see SetMaxSize(), @ref overview_windowsizing
*/
- long GetExtraStyle() const;
+ virtual void SetMaxClientSize(const wxSize& size);
/**
- Returns the font for this window.
+ Sets the maximum size of the window, to indicate to the sizer layout mechanism
+ that this is the maximum possible size.
- @see SetFont()
+ @see SetMaxClientSize(), @ref overview_windowsizing
*/
- wxFont GetFont() const;
+ virtual void SetMaxSize(const wxSize& size);
/**
- Returns the foreground colour of the window.
+ Sets the minimum client size of the window, to indicate to the sizer
+ layout mechanism that this is the minimum required size of window's client
+ area.
- @remarks The interpretation of foreground colour is open to
- interpretation according to the window class; it may be
- the text colour or other colour, or it may not be used
- at all.
+ You may need to call this if you change the window size after
+ construction and before adding to its parent sizer.
- @see SetForegroundColour(), SetBackgroundColour(),
- GetBackgroundColour()
- */
- wxColour GetForegroundColour();
+ Note, that just as with SetMinSize(), calling this method doesn't
+ prevent the program from explicitly making the window smaller than the
+ specified size.
- /**
- Returns the grandparent of a window, or @NULL if there isn't one.
- */
- wxWindow* GetGrandParent() const;
+ Note that this method is just a shortcut for:
+ @code
+ SetMinSize(ClientToWindowSize(size));
+ @endcode
- /**
- Returns the platform-specific handle of the physical window. Cast it to an
- appropriate
- handle, such as @b HWND for Windows, @b Widget for Motif, @b GtkWidget for GTK
- or @b WinHandle for PalmOS.
+ @see SetMinSize(), @ref overview_windowsizing
*/
- void* GetHandle() const;
+ virtual void SetMinClientSize(const wxSize& size);
/**
- Gets the help text to be used as context-sensitive help for this window.
- Note that the text is actually stored by the current wxHelpProvider
- implementation,
- and not in the window object itself.
+ Sets the minimum size of the window, to indicate to the sizer layout
+ mechanism that this is the minimum required size.
- @see SetHelpText(), GetHelpTextAtPoint(), wxHelpProvider
+ You may need to call this if you change the window size after
+ construction and before adding to its parent sizer.
+
+ Notice that calling this method doesn't prevent the program from making
+ the window explicitly smaller than the specified size by calling
+ SetSize(), it just ensures that it won't become smaller than this size
+ during the automatic layout.
+
+ @see SetMinClientSize(), @ref overview_windowsizing
*/
- virtual wxString GetHelpText() const;
+ virtual void SetMinSize(const wxSize& size);
/**
- Gets the help text to be used as context-sensitive help for this window. This
- method should be overridden if the help message depends on the position inside
- the window, otherwise GetHelpText() can be used.
+ Sets the size of the window in pixels.
- @param point
- Coordinates of the mouse at the moment of help event emission.
- @param origin
- Help event origin, see also wxHelpEvent::GetOrigin.
- */
- virtual wxString GetHelpTextAtPoint(const wxPoint point,
- wxHelpEvent::Origin origin) const;
+ @param x
+ Required x position in pixels, or wxDefaultCoord to indicate that the
+ existing value should be used.
+ @param y
+ Required y position in pixels, or wxDefaultCoord to indicate that the
+ existing value should be used.
+ @param width
+ Required width in pixels, or wxDefaultCoord to indicate that the existing
+ value should be used.
+ @param height
+ Required height position in pixels, or wxDefaultCoord to indicate that the
+ existing value should be used.
+ @param sizeFlags
+ Indicates the interpretation of other parameters.
+ It is a bit list of the following:
+ - @c wxSIZE_AUTO_WIDTH: a wxDefaultCoord width value is taken to indicate
+ a wxWidgets-supplied default width.
+ - @c wxSIZE_AUTO_HEIGHT: a wxDefaultCoord height value is taken to indicate
+ a wxWidgets-supplied default height.
+ - @c wxSIZE_AUTO: wxDefaultCoord size values are taken to indicate
+ a wxWidgets-supplied default size.
+ - @c wxSIZE_USE_EXISTING: existing dimensions should be used
+ if wxDefaultCoord values are supplied.
+ - @c wxSIZE_ALLOW_MINUS_ONE: allow negative dimensions (i.e. value of
+ wxDefaultCoord) to be interpreted as real
+ dimensions, not default values.
+ - @c wxSIZE_FORCE: normally, if the position and the size of the window are
+ already the same as the parameters of this function,
+ nothing is done. but with this flag a window resize may
+ be forced even in this case (supported in wx 2.6.2 and
+ later and only implemented for MSW and ignored elsewhere
+ currently).
+
+ @remarks This overload sets the position and optionally size, of the window.
+ Parameters may be wxDefaultCoord to indicate either that a default
+ should be supplied by wxWidgets, or that the current value of the
+ dimension should be used.
+
+ @see Move(), @ref overview_windowsizing
+ */
+ void SetSize(int x, int y, int width, int height,
+ int sizeFlags = wxSIZE_AUTO);
/**
- Returns the identifier of the window.
+ Sets the size of the window in pixels.
+ The size is specified using a wxRect, wxSize or by a couple of @c int objects.
- @remarks Each window has an integer identifier. If the application has
- not provided one (or the default wxID_ANY) an unique
- identifier with a negative value will be generated.
+ @remarks This form must be used with non-default width and height values.
- @see SetId(), @ref overview_windowids "Window identifiers"
+ @see Move(), @ref overview_windowsizing
*/
- int GetId() const;
+ virtual void SetSize(const wxRect& rect);
/**
- Generic way of getting a label from any window, for
- identification purposes.
-
- @remarks The interpretation of this function differs from class to class.
- For frames and dialogs, the value returned is the
- title. For buttons or static text controls, it is the
- button text. This function can be useful for
- meta-programs (such as testing tools or special-needs
- access programs) which need to identify windows by name.
+ @overload
*/
- virtual wxString GetLabel() const;
+ virtual void SetSize(const wxSize& size);
/**
- Returns the maximum size of window's client area.
- This is an indication to the sizer layout mechanism that this is the maximum
- possible size as well as the upper bound on window's size settable using
- SetClientSize().
-
- @see GetMaxSize()
+ @overload
*/
- wxSize GetMaxClientSize() const;
+ virtual void SetSize(int width, int height);
/**
- Returns the maximum size of the window. This is an indication to the sizer
- layout mechanism that this is the maximum possible size as well as the upper
- bound on window's size settable using SetSize().
+ Use of this function for windows which are not toplevel windows
+ (such as wxDialog or wxFrame) is discouraged.
+ Please use SetMinSize() and SetMaxSize() instead.
- @see GetMaxClientSize()
+ @see wxTopLevelWindow::SetSizeHints, @ref overview_windowsizing
*/
- wxSize GetMaxSize() const;
+ void SetSizeHints( const wxSize& minSize,
+ const wxSize& maxSize=wxDefaultSize,
+ const wxSize& incSize=wxDefaultSize);
/**
- Returns the minimum size of window's client area, an indication to the sizer
- layout mechanism that this is the minimum required size of its client area. It
- normally just returns the value set by
- SetMinClientSize(), but it can be overridden
- to do the calculation on demand.
+ Sets the virtual size of the window in pixels.
- @see GetMinSize()
+ @see @ref overview_windowsizing
*/
- virtual wxSize GetMinClientSize() const;
+ void SetVirtualSize(int width, int height);
/**
- Returns the minimum size of the window, an indication to the sizer layout
- mechanism that this is the minimum required size.
-
- This method normally just returns the value set by SetMinSize(), but it
- can be overridden to do the calculation on demand.
-
- @see GetMinClientSize()
+ @overload
*/
- virtual wxSize GetMinSize() const;
+ void SetVirtualSize(const wxSize& size);
- /**
- Returns the window's name.
+ //@}
- @remarks This name is not guaranteed to be unique; it is up to the
- programmer to supply an appropriate name in the window
- constructor or via SetName().
- @see SetName()
+ /**
+ @name Positioning functions
*/
- virtual wxString GetName() const;
+ //@{
/**
- Returns the next window after this one among the parent children or @NULL if
- this window is the last child.
-
- @since 2.8.8
-
- @see GetPrevSibling()
+ A synonym for Centre().
*/
- wxWindow* GetNextSibling() const;
+ void Center(int dir = wxBOTH);
/**
- Returns the parent of the window, or @NULL if there is no parent.
+ A synonym for CentreOnParent().
*/
- virtual wxWindow* GetParent() const;
+ void CenterOnParent(int dir = wxBOTH);
- //@{
/**
- This function shows a popup menu at the given position in this window and
- returns the selected id. It can be more convenient than the general purpose
- PopupMenu() function for simple menus proposing a
- choice in a list of strings to the user.
+ Centres the window.
- @param menu
- The menu to show
- @param pos
- The position at which to show the menu in client coordinates
- @param x
- The horizontal position of the menu
- @param y
- The vertical position of the menu
+ @param direction
+ Specifies the direction for the centering. May be wxHORIZONTAL, wxVERTICAL
+ or wxBOTH. It may also include wxCENTRE_ON_SCREEN flag
+ if you want to center the window on the entire screen and not on its
+ parent window.
+
+ @remarks If the window is a top level one (i.e. doesn't have a parent),
+ it will be centered relative to the screen anyhow.
- @return The selected menu item id or wxID_NONE if none selected or an
- error occurred.
+ @see Center()
*/
- int GetPopupMenuSelectionFromUser(wxMenu& menu,
- const wxPoint& pos);
- int GetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
- //@}
+ void Centre(int direction = wxBOTH);
- //@{
/**
- This gets the position of the window in pixels, relative to the parent window
- for the child windows or relative to the display origin for the top level
- windows.
+ Centres the window on its parent. This is a more readable synonym for Centre().
- @param x
- Receives the x position of the window if non-@NULL.
- @param y
- Receives the y position of the window if non-@NULL.
+ @param direction
+ Specifies the direction for the centering. May be wxHORIZONTAL, wxVERTICAL
+ or wxBOTH.
+
+ @remarks This methods provides for a way to center top level windows over
+ their parents instead of the entire screen. If there
+ is no parent or if the window is not a top level
+ window, then behaviour is the same as Centre().
+
+ @see wxTopLevelWindow::CentreOnScreen
+ */
+ void CentreOnParent(int direction = wxBOTH);
+ /**
+ This gets the position of the window in pixels, relative to the parent window
+ for the child windows or relative to the display origin for the top level windows.
+
+ @param x
+ Receives the x position of the window if non-@NULL.
+ @param y
+ Receives the y position of the window if non-@NULL.
@see GetScreenPosition()
*/
void GetPosition(int* x, int* y) const;
- wxPoint GetPosition() const;
- //@}
/**
- Returns the previous window before this one among the parent children or @c
- @NULL if
- this window is the first child.
-
- @since 2.8.8
+ This gets the position of the window in pixels, relative to the parent window
+ for the child windows or relative to the display origin for the top level windows.
- @see GetNextSibling()
+ @see GetScreenPosition()
*/
- wxWindow* GetPrevSibling() const;
+ wxPoint GetPosition() const;
/**
Returns the position and size of the window as a wxRect object.
*/
wxRect GetRect() const;
- //@{
/**
Returns the window position in screen coordinates, whether the window is a
child window or a top level one.
@see GetPosition()
*/
void GetScreenPosition(int* x, int* y) const;
- wxPoint GetScreenPosition() const;
- //@}
/**
- Returns the position and size of the window on the screen as a
- wxRect object.
+ Returns the window position in screen coordinates, whether the window is a
+ child window or a top level one.
- @see GetRect()
+ @see GetPosition()
*/
- wxRect GetScreenRect() const;
+ wxPoint GetScreenPosition() const;
/**
- Returns the built-in scrollbar position.
+ Returns the position and size of the window on the screen as a wxRect object.
- @see See SetScrollbar()
+ @see GetRect()
*/
- virtual int GetScrollPos(int orientation);
+ wxRect GetScreenRect() const;
/**
- Returns the built-in scrollbar range.
+ Moves the window to the given position.
- @see SetScrollbar()
- */
- virtual int GetScrollRange(int orientation);
+ @param x
+ Required x position.
+ @param y
+ Required y position.
+ @param flags
+ See SetSize() for more info about this parameter.
- /**
- Returns the built-in scrollbar thumb size.
+ @remarks Implementations of SetSize can also implicitly implement the
+ Move() function, which is defined in the base wxWindow class as the call:
+ @code
+ SetSize(x, y, wxDefaultCoord, wxDefaultCoord, wxSIZE_USE_EXISTING);
+ @endcode
- @see SetScrollbar()
+ @see SetSize()
*/
- virtual int GetScrollThumb(int orientation);
+ void Move(int x, int y, int flags = wxSIZE_USE_EXISTING);
- //@{
/**
- Returns the size of the entire window in pixels, including title bar, border,
- scrollbars, etc.
- Note that if this window is a top-level one and it is currently minimized, the
- returned size is the restored window size, not the size of the window icon.
+ Moves the window to the given position.
- @param width
- Receives the window width.
- @param height
- Receives the window height.
+ @param pt
+ wxPoint object representing the position.
+ @param flags
+ See SetSize() for more info about this parameter.
- @see GetClientSize(), GetVirtualSize()
+ @remarks Implementations of SetSize() can also implicitly implement the
+ Move() function, which is defined in the base wxWindow class as the call:
+ @code
+ SetSize(x, y, wxDefaultCoord, wxDefaultCoord, wxSIZE_USE_EXISTING);
+ @endcode
+
+ @see SetSize()
*/
- void GetSize(int* width, int* height) const;
- const wxSize GetSize() const;
+ void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING);
+
//@}
+
/**
- Return the sizer associated with the window by a previous call to
- SetSizer() or @NULL.
+ @name Coordinate conversion functions
*/
- wxSizer* GetSizer() const;
-
//@{
+
/**
- Gets the dimensions of the string as it would be drawn on the
- window with the currently selected font.
- The text extent is returned in @a w and @a h pointers (first form) or as a
- wxSize object (second form).
+ Converts to screen coordinates from coordinates relative to this window.
- @param string
- String whose extent is to be measured.
- @param w
- Return value for width.
- @param h
- Return value for height.
- @param descent
- Return value for descent (optional).
- @param externalLeading
- Return value for external leading (optional).
- @param font
- Font to use instead of the current window font (optional).
- @param use16
- If @true, string contains 16-bit characters. The default is @false.
- */
- virtual void GetTextExtent(const wxString& string, int* w,
- int* h,
- int* descent = NULL,
- int* externalLeading = NULL,
- const wxFont* font = NULL,
- bool use16 = false) const;
- const wxSize GetTextExtent(const wxString& string) const;
- //@}
+ @param x
+ A pointer to a integer value for the x coordinate. Pass the client
+ coordinate in, and a screen coordinate will be passed out.
+ @param y
+ A pointer to a integer value for the y coordinate. Pass the client
+ coordinate in, and a screen coordinate will be passed out.
- /**
- Get the associated tooltip or @NULL if none.
+ @beginWxPythonOnly
+ In place of a single overloaded method name, wxPython implements the following methods:
+ - ClientToScreen(point): Accepts and returns a wxPoint
+ - ClientToScreenXY(x, y): Returns a 2-tuple, (x, y)
+ @endWxPythonOnly
*/
- wxToolTip* GetToolTip() const;
+ void ClientToScreen(int* x, int* y) const;
/**
- Returns the region specifying which parts of the window have been damaged.
- Should
- only be called within an wxPaintEvent handler.
+ Converts to screen coordinates from coordinates relative to this window.
- @see wxRegion, wxRegionIterator
+ @param pt
+ The client position for the second form of the function.
*/
- virtual wxRegion GetUpdateRegion() const;
+ wxPoint ClientToScreen(const wxPoint& pt) const;
/**
- Returns a pointer to the current validator for the window, or @NULL if there is
- none.
- */
- wxValidator* GetValidator() const;
+ Converts a point or size from dialog units to pixels.
- //@{
- /**
- This gets the virtual size of the window in pixels. By default it
- returns the client size of the window, but after a call to
- SetVirtualSize() it will return
- that size.
+ For the x dimension, the dialog units are multiplied by the average character
+ width and then divided by 4.
+ For the y dimension, the dialog units are multiplied by the average character
+ height and then divided by 8.
- @param width
- Receives the window virtual width.
- @param height
- Receives the window virtual height.
- */
- void GetVirtualSize(int* width, int* height) const;
- const wxSize GetVirtualSize() const;
- //@}
+ @remarks Dialog units are used for maintaining a dialog's proportions
+ even if the font changes.
+ You can also use these functions programmatically.
+ A convenience macro is defined:
+ @code
+ #define wxDLG_UNIT(parent, pt) parent->ConvertDialogToPixels(pt)
+ @endcode
- /**
- Returns the size of the left/right and top/bottom borders of this window in x
- and y components of the result respectively.
+ @see ConvertPixelsToDialog()
*/
- wxSize GetWindowBorderSize() const;
+ wxPoint ConvertDialogToPixels(const wxPoint& pt);
/**
- Gets the window style that was passed to the constructor or @b Create
- method. @b GetWindowStyle() is another name for the same function.
+ @overload
*/
- long GetWindowStyleFlag() const;
+ wxSize ConvertDialogToPixels(const wxSize& sz);
/**
- Returns the value previously passed to
- SetWindowVariant().
- */
- wxWindowVariant GetWindowVariant() const;
+ Converts a point or size from pixels to dialog units.
- /**
- This function will generate the appropriate call to
- Navigate() if the key event is one normally used for
- keyboard navigation and return @true in this case.
+ For the x dimension, the pixels are multiplied by 4 and then divided by the
+ average character width.
+ For the y dimension, the pixels are multiplied by 8 and then divided by the
+ average character height.
- @return Returns @true if the key pressed was for navigation and was
- handled, @false otherwise.
+ @remarks Dialog units are used for maintaining a dialog's proportions
+ even if the font changes.
- @see Navigate()
+ @see ConvertDialogToPixels()
*/
- bool HandleAsNavigationKey(const wxKeyEvent& event);
+ wxPoint ConvertPixelsToDialog(const wxPoint& pt);
/**
- Shorthand for @c
- wxWindow::GetEventHandler()-wxEvtHandler::SafelyProcessEvent(event).
+ @overload
*/
- bool HandleWindowEvent(wxEvent& event);
+ wxSize ConvertPixelsToDialog(const wxSize& sz);
/**
- Returns @true if this window has the current mouse capture.
+ Converts from screen to client window coordinates.
- @see CaptureMouse(), ReleaseMouse(), wxMouseCaptureLostEvent,
- wxMouseCaptureChangedEvent
+ @param x
+ Stores the screen x coordinate and receives the client x coordinate.
+ @param y
+ Stores the screen x coordinate and receives the client x coordinate.
*/
- virtual bool HasCapture() const;
+ void ScreenToClient(int* x, int* y) const;
/**
- Returns @true if the window has the given @a exFlag bit set in its
- extra styles.
+ Converts from screen to client window coordinates.
- @see SetExtraStyle()
+ @param pt
+ The screen position.
*/
- bool HasExtraStyle(int exFlag) const;
+ wxPoint ScreenToClient(const wxPoint& pt) const;
- /**
- Returns @true if the window has the given @a flag bit set.
- */
- bool HasFlag(int flag) const;
+ //@}
- /**
- Returns @true if the window (or in case of composite controls, its main
- child window) has focus.
- @see FindFocus()
+ /**
+ @name Drawing-related functions
*/
- virtual bool HasFocus() const;
+ //@{
/**
- This method should be overridden to return @true if this window has
- multiple pages. All standard class with multiple pages such as
- wxNotebook, wxListbook and
- wxTreebook already override it to return @true
- and user-defined classes with similar behaviour should do it as well to allow
- the library to handle such windows appropriately.
+ Clears the window by filling it with the current background colour. Does not
+ cause an erase background event to be generated.
*/
- virtual bool HasMultiplePages() const;
+ virtual void ClearBackground();
/**
- Returns @true if this window has a scroll bar for this orientation.
+ Freezes the window or, in other words, prevents any updates from taking
+ place on screen, the window is not redrawn at all.
- @param orient
- Orientation to check, either wxHORIZONTAL or wxVERTICAL.
- */
- virtual bool HasScrollbar(int orient) const;
+ Thaw() must be called to reenable window redrawing. Calls to these two
+ functions may be nested but to ensure that the window is properly
+ repainted again, you must thaw it exactly as many times as you froze it.
- /**
- Returns @true if this window background is transparent (as, for example, for
- wxStaticText) and should show the parent window background.
- This method is mostly used internally by the library itself and you normally
- shouldn't have to call it. You may, however, have to override it in your
- wxWindow-derived class to ensure that background is painted correctly.
- */
- virtual bool HasTransparentBackground() const;
+ If the window has any children, they are recursively frozen too.
- /**
- Equivalent to calling wxWindow::Show(@false).
+ This method is useful for visual appearance optimization (for example,
+ it is a good idea to use it before doing many large text insertions in
+ a row into a wxTextCtrl under wxGTK) but is not implemented on all
+ platforms nor for all controls so it is mostly just a hint to wxWidgets
+ and not a mandatory directive.
+
+ @see wxWindowUpdateLocker, Thaw(), IsFrozen()
*/
- bool Hide();
+ void Freeze();
/**
- This function hides a window, like Hide(), but using a special visual
- effect if possible.
+ Reenables window updating after a previous call to Freeze().
- The parameters of this function are the same as for ShowWithEffect(),
- please see their description there.
+ To really thaw the control, it must be called exactly the same number
+ of times as Freeze().
- @since 2.9.0
- */
- virtual bool HideWithEffect(wxShowEffect effect,
- unsigned timeout = 0);
+ If the window has any children, they are recursively thawn too.
- /**
- This function is (or should be, in case of custom controls) called during
- window creation to intelligently set up the window visual attributes, that is
- the font and the foreground and background colours.
- By "intelligently" the following is meant: by default, all windows use their
- own @ref GetClassDefaultAttributes() default attributes. However
- if some of the parents attributes are explicitly (that is, using
- SetFont() and not
- wxWindow::SetOwnFont) changed and if the
- corresponding attribute hadn't been explicitly set for this window itself,
- then this window takes the same value as used by the parent. In addition, if
- the window overrides ShouldInheritColours()
- to return @false, the colours will not be changed no matter what and only the
- font might.
- This rather complicated logic is necessary in order to accommodate the
- different usage scenarios. The most common one is when all default attributes
- are used and in this case, nothing should be inherited as in modern GUIs
- different controls use different fonts (and colours) than their siblings so
- they can't inherit the same value from the parent. However it was also deemed
- desirable to allow to simply change the attributes of all children at once by
- just changing the font or colour of their common parent, hence in this case we
- do inherit the parents attributes.
+ @see wxWindowUpdateLocker, Freeze(), IsFrozen()
*/
- void InheritAttributes();
+ void Thaw();
/**
- Sends an @c wxEVT_INIT_DIALOG event, whose handler usually transfers data
- to the dialog via validators.
- */
- void InitDialog();
+ Returns @true if the window is currently frozen by a call to Freeze().
- /**
- Resets the cached best size value so it will be recalculated the next time it
- is needed.
+ @see Freeze(), Thaw()
*/
- void InvalidateBestSize();
+ bool IsFrozen() const;
/**
- Returns @true if the window contents is double-buffered by the system, i.e. if
- any drawing done on the window is really done on a temporary backing surface
- and transferred to the screen all at once later.
+ Returns the background colour of the window.
- @see wxBufferedDC
+ @see SetBackgroundColour(), SetForegroundColour(), GetForegroundColour()
*/
- virtual bool IsDoubleBuffered() const;
+ wxColour GetBackgroundColour() const;
/**
- Returns @true if the window is enabled, i.e. if it accepts user input, @c
- @false
- otherwise.
- Notice that this method can return @false even if this window itself hadn't
- been explicitly disabled when one of its parent windows is disabled. To get the
- intrinsic status of this window, use
- IsThisEnabled()
+ Returns the background style of the window.
+ The background style can be one of the wxBackgroundStyle.
- @see Enable()
+ @see SetBackgroundColour(), GetForegroundColour(),
+ SetBackgroundStyle(), SetTransparent()
*/
- virtual bool IsEnabled() const;
-
- //@{
+ virtual wxBackgroundStyle GetBackgroundStyle() const;
/**
- Returns @true if the given point or rectangle area has been exposed since the
- last repaint. Call this in an paint event handler to optimize redrawing by
- only redrawing those areas, which have been exposed.
+ Returns the character height for this window.
*/
- bool IsExposed(int x, int y) const;
- const bool IsExposed(wxPoint amp;pt) const;
- const bool IsExposed(int x, int y, int w, int h) const;
- const bool IsExposed(wxRect amp;rect) const;
- //@}
+ virtual int GetCharHeight() const;
/**
- Returns @true if the window is currently frozen by a call to
- Freeze().
+ Returns the average character width for this window.
+ */
+ virtual int GetCharWidth() const;
- @see Freeze(), Thaw()
+ /**
+ Currently this is the same as calling
+ wxWindow::GetClassDefaultAttributes(wxWindow::GetWindowVariant()).
+
+ One advantage of using this function compared to the static version is that
+ the call is automatically dispatched to the correct class (as usual with
+ virtual functions) and you don't have to specify the class name explicitly.
+
+ The other one is that in the future this function could return different
+ results, for example it might return a different font for an "Ok" button
+ than for a generic button if the users GUI is configured to show such buttons
+ in bold font. Of course, the down side is that it is impossible to call this
+ function without actually having an object to apply it to whereas the static
+ version can be used without having to create an object first.
*/
- virtual bool IsFrozen() const;
+ virtual wxVisualAttributes GetDefaultAttributes() const;
/**
- Returns @true if the window is retained, @false otherwise.
+ Returns the font for this window.
- @remarks Retained windows are only available on X platforms.
+ @see SetFont()
*/
- virtual bool IsRetained() const;
+ wxFont GetFont() const;
/**
- Return whether a scrollbar is always shown.
+ Returns the foreground colour of the window.
- @param orient
- Orientation to check, either wxHORIZONTAL or wxVERTICAL.
+ @remarks The interpretation of foreground colour is open to
+ interpretation according to the window class; it may be
+ the text colour or other colour, or it may not be used at all.
- @see AlwaysShowScrollbars()
+ @see SetForegroundColour(), SetBackgroundColour(),
+ GetBackgroundColour()
*/
- bool IsScrollbarAlwaysShown(int orient);
+ wxColour GetForegroundColour() const;
/**
- Returns @true if the window is shown, @false if it has been hidden.
+ Gets the dimensions of the string as it would be drawn on the
+ window with the currently selected font.
- @see IsShownOnScreen()
+ The text extent is returned in @a w and @a h pointers.
+
+ @param string
+ String whose extent is to be measured.
+ @param w
+ Return value for width.
+ @param h
+ Return value for height.
+ @param descent
+ Return value for descent (optional).
+ @param externalLeading
+ Return value for external leading (optional).
+ @param font
+ Font to use instead of the current window font (optional).
*/
- virtual bool IsShown() const;
+ virtual void GetTextExtent(const wxString& string, int* w, int* h,
+ int* descent = NULL,
+ int* externalLeading = NULL,
+ const wxFont* font = NULL) const;
/**
- Returns @true if the window is physically visible on the screen, i.e. it
- is shown and all its parents up to the toplevel window are shown as well.
-
- @see IsShown()
+ Gets the dimensions of the string as it would be drawn on the
+ window with the currently selected font.
*/
- virtual bool IsShownOnScreen() const;
+ wxSize GetTextExtent(const wxString& string) const;
/**
- Returns @true if this window is intrinsically enabled, @false otherwise,
- i.e.
- if @ref Enable() Enable(@false) had been called. This method is
- mostly used for wxWidgets itself, user code should normally use
- IsEnabled() instead.
+ Returns the region specifying which parts of the window have been damaged.
+ Should only be called within an wxPaintEvent handler.
+
+ @see wxRegion, wxRegionIterator
*/
- bool IsThisEnabled() const;
+ const wxRegion& GetUpdateRegion() const;
/**
- Returns @true if the given window is a top-level one. Currently all frames and
- dialogs are considered to be top-level windows (even if they have a parent
- window).
+ Returns @true if this window background is transparent (as, for example,
+ for wxStaticText) and should show the parent window background.
+
+ This method is mostly used internally by the library itself and you normally
+ shouldn't have to call it. You may, however, have to override it in your
+ wxWindow-derived class to ensure that background is painted correctly.
*/
- bool IsTopLevel() const;
+ virtual bool HasTransparentBackground();
/**
- Invokes the constraint-based layout algorithm or the sizer-based algorithm
- for this window.
+ Causes this window, and all of its children recursively (except under wxGTK1
+ where this is not implemented), to be repainted. Note that repainting doesn't
+ happen immediately but only during the next event loop iteration, if you need
+ to update the window immediately you should use Update() instead.
- See SetAutoLayout(): when auto layout is on, this function gets called automatically
- when the window is resized.
+ @param eraseBackground
+ If @true, the background will be erased.
+ @param rect
+ If non-@NULL, only the given rectangle will be treated as damaged.
- @see @ref overview_windowsizing
+ @see RefreshRect()
*/
- void Layout();
+ virtual void Refresh(bool eraseBackground = true,
+ const wxRect* rect = NULL);
/**
- Lowers the window to the bottom of the window hierarchy (Z-order).
+ Redraws the contents of the given rectangle: only the area inside it will be
+ repainted.
- @see Raise()
+ This is the same as Refresh() but has a nicer syntax as it can be called
+ with a temporary wxRect object as argument like this @c RefreshRect(wxRect(x, y, w, h)).
*/
- void Lower();
+ void RefreshRect(const wxRect& rect, bool eraseBackground = true);
/**
- Disables all other windows in the application so that
- the user can only interact with this window.
+ Calling this method immediately repaints the invalidated area of the window and
+ all of its children recursively while this would usually only happen when the
+ flow of control returns to the event loop.
- @param flag
- If @true, this call disables all other windows in the application so that
- the user can only interact with this window. If @false, the effect is
- reversed.
+ Notice that this function doesn't invalidate any area of the window so
+ nothing happens if nothing has been invalidated (i.e. marked as requiring
+ a redraw). Use Refresh() first if you want to immediately redraw the
+ window unconditionally.
*/
- virtual void MakeModal(bool flag);
+ virtual void Update();
- //@{
/**
- Moves the window to the given position.
+ Sets the background colour of the window.
+ Please see InheritAttributes() for explanation of the difference between
+ this method and SetOwnBackgroundColour().
- @param x
- Required x position.
- @param y
- Required y position.
- @param pt
- wxPoint object representing the position.
+ @param colour
+ The colour to be used as the background colour, pass
+ wxNullColour to reset to the default colour.
- @remarks Implementations of SetSize can also implicitly implement the
- Move() function, which is defined in the base
- wxWindow class as the call:
+ @remarks The background colour is usually painted by the default
+ wxEraseEvent event handler function under Windows and
+ automatically under GTK.
+ Note that setting the background colour does not cause an
+ immediate refresh, so you may wish to call wxWindow::ClearBackground
+ or wxWindow::Refresh after calling this function.
+ Using this function will disable attempts to use themes for
+ this window, if the system supports them. Use with care since
+ usually the themes represent the appearance chosen by the user
+ to be used for all applications on the system.
- @see SetSize()
+ @see GetBackgroundColour(), SetForegroundColour(),
+ GetForegroundColour(), ClearBackground(),
+ Refresh(), wxEraseEvent
*/
- void Move(int x, int y);
- void Move(const wxPoint& pt);
- //@}
+ virtual bool SetBackgroundColour(const wxColour& colour);
/**
- Moves this window in the tab navigation order after the specified @e win.
- This means that when the user presses @c TAB key on that other window,
- the focus switches to this window.
- Default tab order is the same as creation order, this function and
- MoveBeforeInTabOrder() allow to change
- it after creating all the windows.
+ Sets the background style of the window. see GetBackgroundStyle() for
+ the description of the possible style values.
- @param win
- A sibling of this window which should precede it in tab order,
- must not be @NULL
+ @see SetBackgroundColour(), GetForegroundColour(),
+ SetTransparent()
*/
- void MoveAfterInTabOrder(wxWindow* win);
+ virtual bool SetBackgroundStyle(wxBackgroundStyle style);
/**
- Same as MoveAfterInTabOrder() except that
- it inserts this window just before @a win instead of putting it right after
- it.
+ Sets the font for this window. This function should not be called for the
+ parent window if you don't want its font to be inherited by its children,
+ use SetOwnFont() instead in this case and see InheritAttributes() for more
+ explanations.
+
+ Please notice that the given font is not automatically used for
+ wxPaintDC objects associated with this window, you need to
+ call wxDC::SetFont too. However this font is used by
+ any standard controls for drawing their text as well as by
+ GetTextExtent().
+
+ @param font
+ Font to associate with this window, pass
+ wxNullFont to reset to the default font.
+
+ @return @true if the want was really changed, @false if it was already set
+ to this font and so nothing was done.
+
+ @see GetFont(), InheritAttributes()
*/
- void MoveBeforeInTabOrder(wxWindow* win);
+ virtual bool SetFont(const wxFont& font);
/**
- Performs a keyboard navigation action starting from this window. This method is
- equivalent to calling NavigateIn() method on the
- parent window.
+ Sets the foreground colour of the window.
+ Please see InheritAttributes() for explanation of the difference between
+ this method and SetOwnForegroundColour().
- @param flags
- A combination of wxNavigationKeyEvent::IsForward and
- wxNavigationKeyEvent::WinChange.
+ @param colour
+ The colour to be used as the foreground colour, pass
+ wxNullColour to reset to the default colour.
- @return Returns @true if the focus was moved to another window or @false
- if nothing changed.
+ @remarks The interpretation of foreground colour is open to
+ interpretation according to the window class; it may be
+ the text colour or other colour, or it may not be used at all.
- @remarks You may wish to call this from a text control custom keypress
- handler to do the default navigation behaviour for the
- tab key, since the standard default behaviour for a
- multiline text control with the wxTE_PROCESS_TAB style
- is to insert a tab and not navigate to the next
- control. See also wxNavigationKeyEvent and
- HandleAsNavigationKey.
+ @see GetForegroundColour(), SetBackgroundColour(),
+ GetBackgroundColour(), ShouldInheritColours()
*/
- bool Navigate(int flags = wxNavigationKeyEvent::IsForward);
+ virtual bool SetForegroundColour(const wxColour& colour);
/**
- Performs a keyboard navigation action inside this window.
- See Navigate() for more information.
+ Sets the background colour of the window but prevents it from being inherited
+ by the children of this window.
+
+ @see SetBackgroundColour(), InheritAttributes()
*/
- bool NavigateIn(int flags = wxNavigationKeyEvent::IsForward);
+ void SetOwnBackgroundColour(const wxColour& colour);
/**
- Create a new ID or range of IDs that are not currently in use. The
- IDs will be reserved until assigned to a wxWindowIDRef()
- or unreserved with UnreserveControlId().
- See @ref overview_windowids "Window IDs Overview" for more information.
+ Sets the font of the window but prevents it from being inherited by the
+ children of this window.
- @param count
- The number of sequential IDs to reserve.
+ @see SetFont(), InheritAttributes()
+ */
+ void SetOwnFont(const wxFont& font);
- @return Returns the ID or the first ID of the range, or wxID_NONE if the
- specified number of identifiers couldn't be allocated.
+ /**
+ Sets the foreground colour of the window but prevents it from being inherited
+ by the children of this window.
- @see UnreserveControlId(), wxIdManager, @ref overview_windowids
- "Window IDs Overview"
+ @see SetForegroundColour(), InheritAttributes()
*/
- static wxWindowID NewControlId(int count = 1);
+ void SetOwnForegroundColour(const wxColour& colour);
/**
- This virtual function is normally only used internally, but
- sometimes an application may need it to implement functionality
- that should not be disabled by an application defining an OnIdle
- handler in a derived class.
- This function may be used to do delayed painting, for example,
- and most implementations call UpdateWindowUI()
- in order to send update events to the window in idle time.
+ @deprecated use wxDC::SetPalette instead.
*/
- virtual void OnInternalIdle();
+ void SetPalette(const wxPalette& pal);
/**
- Same as #ScrollLines (-1).
+ Return @true from here to allow the colours of this window to be changed by
+ InheritAttributes(), returning @false forbids inheriting them from the parent window.
+
+ The base class version returns @false, but this method is overridden in
+ wxControl where it returns @true.
*/
- bool LineUp();
+ virtual bool ShouldInheritColours() const;
/**
- Same as #ScrollLines (1).
+ This function tells a window if it should use the system's "theme" code
+ to draw the windows' background instead if its own background drawing
+ code. This does not always have any effect since the underlying platform
+ obviously needs to support the notion of themes in user defined windows.
+ One such platform is GTK+ where windows can have (very colourful) backgrounds
+ defined by a user's selected theme.
+
+ Dialogs, notebook pages and the status bar have this flag set to @true
+ by default so that the default look and feel is simulated best.
*/
- bool LineDown();
+ virtual void SetThemeEnabled(bool enable);
/**
- Same as #ScrollPages (-1).
+ Returns @true if the system supports transparent windows and calling
+ SetTransparent() may succeed. If this function returns @false, transparent
+ windows are definitely not supported by the current system.
*/
- bool PageUp();
+ virtual bool CanSetTransparent();
/**
- Same as #ScrollPages (1).
+ Set the transparency of the window. If the system supports transparent windows,
+ returns @true, otherwise returns @false and the window remains fully opaque.
+ See also CanSetTransparent().
+
+ The parameter @a alpha is in the range 0..255 where 0 corresponds to a
+ fully transparent window and 255 to the fully opaque one. The constants
+ @c wxIMAGE_ALPHA_TRANSPARENT and @c wxIMAGE_ALPHA_OPAQUE can be used.
*/
- bool PageDown();
+ virtual bool SetTransparent(wxByte alpha);
+ //@}
- /**
- Removes and returns the top-most event handler on the event handler stack.
- @param deleteHandler
- If this is @true, the handler will be deleted after it is removed. The
- default value is @false.
+ /**
+ @name Event-handling functions
- @see SetEventHandler(), GetEventHandler(),
- PushEventHandler(), wxEvtHandler::ProcessEvent, wxEvtHandler
+ wxWindow allows you to build a (sort of) stack of event handlers which
+ can be used to override the window's own event handling.
*/
- wxEvtHandler* PopEventHandler(bool deleteHandler = false) const;
-
//@{
- /**
- Pops up the given menu at the specified coordinates, relative to this
- window, and returns control when the user has dismissed the menu. If a
- menu item is selected, the corresponding menu event is generated and will be
- processed as usually. If the coordinates are not specified, current mouse
- cursor position is used.
-
- @param menu
- Menu to pop up.
- @param pos
- The position where the menu will appear.
- @param x
- Required x position for the menu to appear.
- @param y
- Required y position for the menu to appear.
- @remarks Just before the menu is popped up, wxMenu::UpdateUI is called to
- ensure that the menu items are in the correct state.
- The menu does not get deleted by the window.
+ /**
+ Returns the event handler for this window.
+ By default, the window is its own event handler.
- @see wxMenu
+ @see SetEventHandler(), PushEventHandler(),
+ PopEventHandler(), wxEvtHandler::ProcessEvent, wxEvtHandler
*/
- bool PopupMenu(wxMenu* menu,
- const wxPoint& pos = wxDefaultPosition);
- bool PopupMenu(wxMenu* menu, int x, int y);
- //@}
+ wxEvtHandler* GetEventHandler() const;
/**
- Posts a size event to the window.
+ This function will generate the appropriate call to Navigate() if the key
+ event is one normally used for keyboard navigation and return @true in this case.
- This is the same as SendSizeEvent() with @c wxSEND_EVENT_POST argument.
- */
- void PostSizeEvent();
-
- /**
- Posts a size event to the parent of this window.
+ @return Returns @true if the key pressed was for navigation and was
+ handled, @false otherwise.
- This is the same as SendSizeEventToParent() with @c wxSEND_EVENT_POST
- argument.
- */
- void PostSizeEventToParent();
+ @see Navigate()
+ */
+ bool HandleAsNavigationKey(const wxKeyEvent& event);
/**
- Pushes this event handler onto the event stack for the window.
-
- @param handler
- Specifies the handler to be pushed.
-
- @remarks An event handler is an object that is capable of processing the
- events sent to a window. By default, the window is its
- own event handler, but an application may wish to
- substitute another, for example to allow central
- implementation of event-handling for a variety of
- different window classes.
+ Shorthand for:
+ @code
+ GetEventHandler()->SafelyProcessEvent(event);
+ @endcode
- @see SetEventHandler(), GetEventHandler(),
- PopEventHandler(), wxEvtHandler::ProcessEvent, wxEvtHandler
+ @see ProcessWindowEvent()
*/
- void PushEventHandler(wxEvtHandler* handler);
+ bool HandleWindowEvent(wxEvent& event) const;
/**
- Raises the window to the top of the window hierarchy (Z-order).
- In current version of wxWidgets this works both for managed and child windows.
+ Convenient wrapper for ProcessEvent().
- @see Lower()
+ This is the same as writing @code GetEventHandler()->ProcessEvent(event);
+ @endcode but more convenient. Notice that ProcessEvent() itself can't
+ be called for wxWindow objects as it ignores the event handlers
+ associated with the window, use this function instead.
*/
- void Raise();
+ bool ProcessWindowEvent(wxEvent& event);
/**
- Causes this window, and all of its children recursively (except under wxGTK1
- where this is not implemented), to be repainted. Note that repainting doesn't
- happen immediately but only during the next event loop iteration, if you need
- to update the window immediately you should use Update()
- instead.
+ Removes and returns the top-most event handler on the event handler stack.
- @param eraseBackground
- If @true, the background will be
- erased.
- @param rect
- If non-@NULL, only the given rectangle will
- be treated as damaged.
+ E.g. in the case of:
+ @image html overview_events_winstack.png
+ when calling @c W->PopEventHandler(), the event handler @c A will be
+ removed and @c B will be the first handler of the stack.
- @see RefreshRect()
- */
- virtual void Refresh(bool eraseBackground = true,
- const wxRect* rect = NULL);
+ Note that it's an error to call this function when no event handlers
+ were pushed on this window (i.e. when the window itself is its only
+ event handler).
- /**
- Redraws the contents of the given rectangle: only the area inside it will be
- repainted.
- This is the same as Refresh() but has a nicer syntax
- as it can be called with a temporary wxRect object as argument like this
- @c RefreshRect(wxRect(x, y, w, h)).
+ @param deleteHandler
+ If this is @true, the handler will be deleted after it is removed
+ (and the returned value will be @NULL).
+
+ @see @ref overview_events_processing
*/
- void RefreshRect(const wxRect& rect, bool eraseBackground = true);
+ wxEvtHandler* PopEventHandler(bool deleteHandler = false);
/**
- Registers a system wide hotkey. Every time the user presses the hotkey
- registered here, this window
- will receive a hotkey event. It will receive the event even if the application
- is in the background
- and does not have the input focus because the user is working with some other
- application.
+ Pushes this event handler onto the event stack for the window.
- @param hotkeyId
- Numeric identifier of the hotkey. For applications this must be between 0
- and 0xBFFF. If
- this function is called from a shared DLL, it must be a system wide unique
- identifier between 0xC000 and 0xFFFF.
- This is a MSW specific detail.
- @param modifiers
- A bitwise combination of wxMOD_SHIFT, wxMOD_CONTROL, wxMOD_ALT
- or wxMOD_WIN specifying the modifier keys that have to be pressed along
- with the key.
- @param virtualKeyCode
- The virtual key code of the hotkey.
+ An event handler is an object that is capable of processing the events sent
+ to a window. By default, the window is its own event handler, but an application
+ may wish to substitute another, for example to allow central implementation
+ of event-handling for a variety of different window classes.
- @return @true if the hotkey was registered successfully. @false if some
- other application already registered a hotkey with this
- modifier/virtualKeyCode combination.
+ wxWindow::PushEventHandler allows an application to set up a @e stack
+ of event handlers, where an event not handled by one event handler is
+ handed to the next one in the chain.
- @remarks Use EVT_HOTKEY(hotkeyId, fnc) in the event table to capture the
- event. This function is currently only implemented
- under Windows. It is used in the Windows CE port for
- detecting hardware button presses.
+ E.g. if you have two event handlers @c A and @c B and a wxWindow instance
+ @c W and you call:
+ @code
+ W->PushEventHandler(A);
+ W->PushEventHandler(B);
+ @endcode
+ you will end up with the following situation:
+ @image html overview_events_winstack.png
- @see UnregisterHotKey()
- */
- bool RegisterHotKey(int hotkeyId, int modifiers,
- int virtualKeyCode);
+ Note that you can use wxWindow::PopEventHandler to remove the event handler.
- /**
- Releases mouse input captured with CaptureMouse().
+ @param handler
+ Specifies the handler to be pushed.
+ It must not be part of a wxEvtHandler chain; an assert will fail
+ if it's not unlinked (see wxEvtHandler::IsUnlinked).
- @see CaptureMouse(), HasCapture(), ReleaseMouse(),
- wxMouseCaptureLostEvent, wxMouseCaptureChangedEvent
+ @see @ref overview_events_processing
*/
- virtual void ReleaseMouse();
+ void PushEventHandler(wxEvtHandler* handler);
/**
- Removes a child window. This is called automatically by window deletion
- functions so should not be required by the application programmer.
- Notice that this function is mostly internal to wxWidgets and shouldn't be
- called by the user code.
+ Find the given @a handler in the windows event handler stack and
+ removes (but does not delete) it from the stack.
- @param child
- Child window to remove.
- */
- virtual void RemoveChild(wxWindow* child);
-
- /**
- Find the given @a handler in the windows event handler chain and remove (but
- not delete) it from it.
+ See wxEvtHandler::Unlink() for more info.
@param handler
The event handler to remove, must be non-@NULL and
- must be present in this windows event handlers chain
+ must be present in this windows event handlers stack.
@return Returns @true if it was found and @false otherwise (this also
- results in an assert failure so this function should
- only be called when the handler is supposed to be
- there).
+ results in an assert failure so this function should
+ only be called when the handler is supposed to be there).
@see PushEventHandler(), PopEventHandler()
*/
bool RemoveEventHandler(wxEvtHandler* handler);
/**
- Reparents the window, i.e the window will be removed from its
- current parent window (e.g. a non-standard toolbar in a wxFrame)
- and then re-inserted into another.
+ Sets the event handler for this window.
- @param newParent
- New parent.
+ Note that if you use this function you may want to use as the "next" handler
+ of @a handler the window itself; in this way when @a handler doesn't process
+ an event, the window itself will have a chance to do it.
+
+ @param handler
+ Specifies the handler to be set. Cannot be @NULL.
+
+ @see @ref overview_events_processing
*/
- virtual bool Reparent(wxWindow* newParent);
+ void SetEventHandler(wxEvtHandler* handler);
- //@{
/**
- Converts from screen to client window coordinates.
+ wxWindows cannot be used to form event handler chains; this function
+ thus will assert when called.
- @param x
- Stores the screen x coordinate and receives the client x coordinate.
- @param y
- Stores the screen x coordinate and receives the client x coordinate.
- @param pt
- The screen position for the second form of the function.
+ Note that instead you can use PushEventHandler() or SetEventHandler() to
+ implement a stack of event handlers to override wxWindow's own
+ event handling mechanism.
*/
- virtual void ScreenToClient(int* x, int* y) const;
- const virtual wxPoint ScreenToClient(const wxPoint& pt) const;
- //@}
+ virtual void SetNextHandler(wxEvtHandler* handler);
/**
- Scrolls the window by the given number of lines down (if @a lines is
- positive) or up.
+ wxWindows cannot be used to form event handler chains; this function
+ thus will assert when called.
- @return Returns @true if the window was scrolled, @false if it was already
- on top/bottom and nothing was done.
+ Note that instead you can use PushEventHandler() or SetEventHandler() to
+ implement a stack of event handlers to override wxWindow's own
+ event handling mechanism.
+ */
+ virtual void SetPreviousHandler(wxEvtHandler* handler);
+
+ //@}
- @remarks This function is currently only implemented under MSW and
- wxTextCtrl under wxGTK (it also works for wxScrolled classes
- under all platforms).
- @see ScrollPages()
- */
- virtual bool ScrollLines(int lines);
/**
- Scrolls the window by the given number of pages down (if @a pages is
- positive) or up.
+ @name Window styles functions
+ */
+ //@{
- @return Returns @true if the window was scrolled, @false if it was already
- on top/bottom and nothing was done.
+ /**
+ Returns the extra style bits for the window.
+ */
+ long GetExtraStyle() const;
- @remarks This function is currently only implemented under MSW and wxGTK.
+ /**
+ Gets the window style that was passed to the constructor or Create()
+ method. GetWindowStyle() is another name for the same function.
+ */
+ virtual long GetWindowStyleFlag() const;
- @see ScrollLines()
+ /**
+ See GetWindowStyleFlag() for more info.
*/
- virtual bool ScrollPages(int pages);
+ long GetWindowStyle() const;
/**
- Physically scrolls the pixels in the window and move child windows accordingly.
+ Returns @true if the window has the given @a exFlag bit set in its
+ extra styles.
- @param dx
- Amount to scroll horizontally.
- @param dy
- Amount to scroll vertically.
- @param rect
- Rectangle to scroll, if it is @NULL, the whole window is
- scrolled (this is always the case under wxGTK which doesn't support this
- parameter)
+ @see SetExtraStyle()
+ */
+ bool HasExtraStyle(int exFlag) const;
- @remarks Note that you can often use wxScrolled instead of using this
- function directly.
+ /**
+ Returns @true if the window has the given @a flag bit set.
*/
- virtual void ScrollWindow(int dx, int dy,
- const wxRect* rect = NULL);
+ bool HasFlag(int flag) const;
/**
- This function sends a dummy @ref overview_wxsizeevent "size event" to
- the window allowing it to re-layout its children positions.
+ Sets the extra style bits for the window.
+ The currently defined extra style bits are reported in the class
+ description.
+ */
+ virtual void SetExtraStyle(long exStyle);
- 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 wxWindow::Layout() directly and this
- function should not be used in this case.
+ /**
+ Sets the style of the window. Please note that some styles cannot be changed
+ after the window creation and that Refresh() might need to be be called
+ after changing the others for the change to take place immediately.
- If @a flags includes @c wxSEND_EVENT_POST value, this function posts
- the event, i.e. schedules it for later processing, instead of
- dispatching it directly. You can also use PostSizeEvent() as a more
- readable equivalent of calling this function with this flag.
+ See @ref overview_windowstyles "Window styles" for more information about flags.
- @param flags
- May include @c wxSEND_EVENT_POST. Default value is 0.
+ @see GetWindowStyleFlag()
*/
- void SendSizeEvent(int flags = 0);
+ virtual void SetWindowStyleFlag(long style);
/**
- Safe wrapper for GetParent()->SendSizeEvent().
+ See SetWindowStyleFlag() for more info.
+ */
+ void SetWindowStyle(long style);
- This function simply checks that the window has a valid parent which is
- not in process of being deleted and calls SendSizeEvent() on it. It is
- used internally by windows such as toolbars changes to whose state
- should result in parent re-layout (e.g. when a toolbar is added to the
- top of the window, all the other windows must be shifted down).
+ /**
+ Turns the given @a flag on if it's currently turned off and vice versa.
+ This function cannot be used if the value of the flag is 0 (which is often
+ the case for default flags).
- @see PostSizeEventToParent()
+ Also, please notice that not all styles can be changed after the control
+ creation.
- @param flags
- See description of this parameter in SendSizeEvent() documentation.
- */
- void SendSizeEventToParent(int flags = 0);
+ @return Returns @true if the style was turned on by this function, @false
+ if it was switched off.
- /**
- Sets the accelerator table for this window. See wxAcceleratorTable.
+ @see SetWindowStyleFlag(), HasFlag()
*/
- virtual void SetAcceleratorTable(const wxAcceleratorTable& accel);
+ bool ToggleWindowStyle(int flag);
+
+ //@}
+
/**
- Sets the accessible for this window. Any existing accessible for this window
- will be deleted first, if not identical to @e accessible.
- See also wxAccessible.
+ @name Tab order functions
*/
- void SetAccessible(wxAccessible* accessible);
+ //@{
/**
- Determines whether the Layout() function will
- be called automatically when the window is resized. Please note that this only
- happens for the windows usually used to contain children, namely
- wxPanel and wxTopLevelWindow
- (and the classes deriving from them).
- This method is called implicitly by
- SetSizer() but if you use
- SetConstraints() you should call it
- manually or otherwise the window layout won't be correctly updated when its
- size changes.
+ Moves this window in the tab navigation order after the specified @e win.
+ This means that when the user presses @c TAB key on that other window,
+ the focus switches to this window.
- @param autoLayout
- Set this to @true if you wish the Layout function to be
- called automatically when the window is resized.
+ Default tab order is the same as creation order, this function and
+ MoveBeforeInTabOrder() allow to change
+ it after creating all the windows.
- @see SetConstraints()
+ @param win
+ A sibling of this window which should precede it in tab order,
+ must not be @NULL
*/
- void SetAutoLayout(bool autoLayout);
+ void MoveAfterInTabOrder(wxWindow* win);
/**
- Sets the background colour of the window.
- Please see InheritAttributes() for
- explanation of the difference between this method and
- SetOwnBackgroundColour().
+ Same as MoveAfterInTabOrder() except that it inserts this window just
+ before @a win instead of putting it right after it.
+ */
+ void MoveBeforeInTabOrder(wxWindow* win);
- @param colour
- The colour to be used as the background colour, pass
- wxNullColour to reset to the default colour.
+ /**
+ Performs a keyboard navigation action starting from this window.
+ This method is equivalent to calling NavigateIn() method on the
+ parent window.
- @remarks The background colour is usually painted by the default
- wxEraseEvent event handler function under Windows and
- automatically under GTK.
+ @param flags
+ A combination of wxNavigationKeyEvent::IsForward and
+ wxNavigationKeyEvent::WinChange.
- @see GetBackgroundColour(), SetForegroundColour(),
- GetForegroundColour(), ClearBackground(),
- Refresh(), wxEraseEvent
+ @return Returns @true if the focus was moved to another window or @false
+ if nothing changed.
+
+ @remarks You may wish to call this from a text control custom keypress
+ handler to do the default navigation behaviour for the
+ tab key, since the standard default behaviour for a
+ multiline text control with the wxTE_PROCESS_TAB style
+ is to insert a tab and not navigate to the next
+ control. See also wxNavigationKeyEvent and
+ HandleAsNavigationKey.
*/
- virtual bool SetBackgroundColour(const wxColour& colour);
+ bool Navigate(int flags = IsForward);
/**
- Sets the background style of the window. see
- GetBackgroundStyle() for the description
- of the possible style values.
-
- @see SetBackgroundColour(), GetForegroundColour(),
- SetTransparent()
+ Performs a keyboard navigation action inside this window.
+ See Navigate() for more information.
*/
- virtual void SetBackgroundStyle(wxBackgroundStyle style);
+ bool NavigateIn(int flags = IsForward);
+
+ //@}
- /**
- This method is only implemented by ports which have support for
- native TAB traversal (such as GTK+ 2.0). It is called by wxWidgets'
- container control code to give the native system a hint when
- doing TAB traversal. A call to this does not disable or change
- the effect of programmatically calling
- SetFocus().
- @see wxFocusEvent, wxPanel::SetFocus, wxPanel::SetFocusIgnoringChildren
- */
- virtual void SetCanFocus(bool canFocus);
/**
- Sets the caret() associated with the window.
+ @name Z order functions
*/
- void SetCaret(wxCaret* caret) const;
-
//@{
+
/**
- This sets the size of the window client area in pixels. Using this function to
- size a window
- tends to be more device-independent than SetSize(), since the application need
- not
- worry about what dimensions the border or title bar have when trying to fit the
- window
- around panel items, for example.
+ Lowers the window to the bottom of the window hierarchy (Z-order).
- @param width
- The required client area width.
- @param height
- The required client area height.
- @param size
- The required client size.
- */
- virtual void SetClientSize(int width, int height);
- virtual void SetClientSize(const wxSize& size);
- //@}
-
- /**
- Sets the window to have the given layout constraints. The window
- will then own the object, and will take care of its deletion.
- If an existing layout constraints object is already owned by the
- window, it will be deleted.
-
- @param constraints
- The constraints to set. Pass @NULL to disassociate and delete the window's
- constraints.
-
- @remarks You must call SetAutoLayout() to tell a window to use
- the constraints automatically in OnSize; otherwise, you
- must override OnSize and call Layout() explicitly. When
- setting both a wxLayoutConstraints and a wxSizer, only
- the sizer will have effect.
- */
- void SetConstraints(wxLayoutConstraints* constraints);
+ @remarks
+ This function only works for wxTopLevelWindow-derived classes.
- /**
- This normally does not need to be called by user code. It is called
- when a window is added to a sizer, and is used so the window can
- remove itself from the sizer when it is destroyed.
+ @see Raise()
*/
- void SetContainingSizer(wxSizer* sizer);
+ virtual void Lower();
/**
- Sets the window's cursor. Notice that the window cursor also sets it for the
- children of the window implicitly.
- The @a cursor may be @c wxNullCursor in which case the window cursor will
- be reset back to default.
+ Raises the window to the top of the window hierarchy (Z-order).
- @param cursor
- Specifies the cursor that the window should normally display.
+ @remarks
+ This function only works for wxTopLevelWindow-derived classes.
- @see ::wxSetCursor, wxCursor
+ @see Lower()
*/
- virtual void SetCursor(const wxCursor& cursor);
+ virtual void Raise();
- /**
- Associates a drop target with this window.
- If the window already has a drop target, it is deleted.
+ //@}
- @see GetDropTarget(), @ref overview_dnd
- */
- void SetDropTarget(wxDropTarget* target);
/**
- Sets the event handler for this window.
-
- @param handler
- Specifies the handler to be set.
+ @name Window status functions
+ */
+ //@{
- @remarks An event handler is an object that is capable of processing the
- events sent to a window. By default, the window is its
- own event handler, but an application may wish to
- substitute another, for example to allow central
- implementation of event-handling for a variety of
- different window classes.
- @see GetEventHandler(), PushEventHandler(),
- PopEventHandler(), wxEvtHandler::ProcessEvent, wxEvtHandler
+ /**
+ Equivalent to calling wxWindow::Show(@false).
*/
- void SetEventHandler(wxEvtHandler* handler);
+ bool Hide();
/**
- Sets the extra style bits for the window. The currently defined extra style
- bits are:
-
- @b wxWS_EX_VALIDATE_RECURSIVELY
-
- TransferDataTo/FromWindow()
- and Validate() methods will recursively descend into all children of the
- window if it has this style flag set.
-
- @b wxWS_EX_BLOCK_EVENTS
+ This function hides a window, like Hide(), but using a special visual
+ effect if possible.
- Normally, the command
- events are propagated upwards to the window parent recursively until a handler
- for them is found. Using this style allows to prevent them from being
- propagated beyond this window. Notice that wxDialog has this style on by
- default for the reasons explained in the
- @ref overview_eventhandling "Event Handling Overview".
+ The parameters of this function are the same as for ShowWithEffect(),
+ please see their description there.
- @b wxWS_EX_TRANSIENT
+ @since 2.9.0
+ */
+ virtual bool HideWithEffect(wxShowEffect effect,
+ unsigned int timeout = 0);
+ /**
+ Returns @true if the window is enabled, i.e. if it accepts user input,
+ @false otherwise.
- This can be used to prevent a
- window from being used as an implicit parent for the dialogs which were
- created without a parent. It is useful for the windows which can disappear at
- any moment as creating children of such windows results in fatal problems.
+ Notice that this method can return @false even if this window itself hadn't
+ been explicitly disabled when one of its parent windows is disabled.
+ To get the intrinsic status of this window, use IsThisEnabled()
- @b wxWS_EX_CONTEXTHELP
+ @see Enable()
+ */
+ bool IsEnabled() const;
- Under Windows, puts a query
- button on the caption. When pressed, Windows will go into a context-sensitive
- help mode and wxWidgets will send a wxEVT_HELP event if the user clicked on an
- application window.
- This style cannot be used together with wxMAXIMIZE_BOX or wxMINIMIZE_BOX, so
- these two styles are automatically turned of if this one is used.
+ /**
+ Returns @true if the given point or rectangle area has been exposed since the
+ last repaint. Call this in an paint event handler to optimize redrawing by
+ only redrawing those areas, which have been exposed.
+ */
+ bool IsExposed(int x, int y) const;
- @b wxWS_EX_PROCESS_IDLE
+ /**
+ @overload
+ */
+ bool IsExposed(wxPoint& pt) const;
- This window should always process idle events, even
- if the mode set by wxIdleEvent::SetMode is wxIDLE_PROCESS_SPECIFIED.
+ /**
+ @overload
+ */
+ bool IsExposed(int x, int y, int w, int h) const;
- @b wxWS_EX_PROCESS_UI_UPDATES
+ /**
+ @overload
+ */
+ bool IsExposed(wxRect& rect) const;
+ /**
+ Returns @true if the window is shown, @false if it has been hidden.
- This window should always process UI update events,
- even if the mode set by wxUpdateUIEvent::SetMode is
- wxUPDATE_UI_PROCESS_SPECIFIED.
+ @see IsShownOnScreen()
*/
- void SetExtraStyle(long exStyle);
+ virtual bool IsShown() const;
/**
- This sets the window to receive keyboard input.
+ Returns @true if the window is physically visible on the screen, i.e. it
+ is shown and all its parents up to the toplevel window are shown as well.
- @see HasFocus(), wxFocusEvent, wxPanel::SetFocus,
- wxPanel::SetFocusIgnoringChildren
+ @see IsShown()
*/
- virtual void SetFocus();
+ virtual bool IsShownOnScreen() const;
/**
- This function is called by wxWidgets keyboard navigation code when the user
- gives the focus to this window from keyboard (e.g. using @c TAB key).
- By default this method simply calls SetFocus() but
- can be overridden to do something in addition to this in the derived classes.
+ Disables the window. Same as @ref Enable() Enable(@false).
+
+ @return Returns @true if the window has been disabled, @false if it had
+ been already disabled before the call to this function.
*/
- virtual void SetFocusFromKbd();
+ bool Disable();
/**
- Sets the font for this window. This function should not be called for the
- parent window if you don't want its font to be inherited by its children,
- use SetOwnFont() instead in this case and
- see InheritAttributes() for more
- explanations.
- Please notice that the given font is not automatically used for
- wxPaintDC objects associated with this window, you need to
- call wxDC::SetFont too. However this font is used by
- any standard controls for drawing their text as well as by
- GetTextExtent().
+ Enable or disable the window for user input. Note that when a parent window is
+ disabled, all of its children are disabled as well and they are reenabled again
+ when the parent is.
- @param font
- Font to associate with this window, pass
- wxNullFont to reset to the default font.
+ @param enable
+ If @true, enables the window for input. If @false, disables the window.
- @return @true if the want was really changed, @false if it was already set
- to this font and so nothing was done.
+ @return Returns @true if the window has been enabled or disabled, @false
+ if nothing was done, i.e. if the window had already
+ been in the specified state.
- @see GetFont(), InheritAttributes()
+ @see IsEnabled(), Disable(), wxRadioBox::Enable
*/
- bool SetFont(const wxFont& font);
+ virtual bool Enable(bool enable = true);
/**
- Sets the foreground colour of the window.
- Please see InheritAttributes() for
- explanation of the difference between this method and
- SetOwnForegroundColour().
+ Shows or hides the window. You may need to call Raise()
+ for a top level window if you want to bring it to top, although this is not
+ needed if Show() is called immediately after the frame creation.
- @param colour
- The colour to be used as the foreground colour, pass
- wxNullColour to reset to the default colour.
+ @param show
+ If @true displays the window. Otherwise, hides it.
- @remarks The interpretation of foreground colour is open to
- interpretation according to the window class; it may be
- the text colour or other colour, or it may not be used
- at all.
+ @return @true if the window has been shown or hidden or @false if nothing
+ was done because it already was in the requested state.
- @see GetForegroundColour(), SetBackgroundColour(),
- GetBackgroundColour(), ShouldInheritColours()
+ @see IsShown(), Hide(), wxRadioBox::Show, wxShowEvent.
*/
- virtual void SetForegroundColour(const wxColour& colour);
+ virtual bool Show(bool show = true);
/**
- Sets the help text to be used as context-sensitive help for this window.
- Note that the text is actually stored by the current wxHelpProvider
- implementation,
- and not in the window object itself.
+ This function shows a window, like Show(), but using a special visual
+ effect if possible.
- @see GetHelpText(), wxHelpProvider::AddHelp()
- */
- virtual void SetHelpText(const wxString& helpText);
+ @param effect
+ The effect to use.
- /**
- Sets the identifier of the window.
+ @param timeout
+ The @a timeout parameter specifies the time of the animation, in
+ milliseconds. If the default value of 0 is used, the default
+ animation time for the current platform is used.
- @remarks Each window has an integer identifier. If the application has
- not provided one, an identifier will be generated.
- Normally, the identifier should be provided on creation
- and should not be modified subsequently.
+ @note Currently this function is only implemented in wxMSW and does the
+ same thing as Show() in the other ports.
+
+ @since 2.9.0
- @see GetId(), @ref overview_windowids "Window identifiers"
+ @see HideWithEffect()
*/
- void SetId(int id);
+ virtual bool ShowWithEffect(wxShowEffect effect,
+ unsigned int timeout = 0);
+
+ //@}
+
/**
- Sets the initial window size if none is given (i.e. at least one of the
- components of the size passed to ctor/Create() is wxDefaultCoord).
+ @name Context-sensitive help functions
*/
- virtual void SetInitialBestSize(const wxSize& size);
+ //@{
/**
- A @e smart SetSize that will fill in default size components with the
- window's @e best size values.
-
- Also sets the window's minsize to the value passed in for use with sizers.
- This means that if a full or partial size is passed to this function then
- the sizers will use that size instead of the results of GetBestSize() to
- determine the minimum needs of the window for layout.
-
- Most controls will use this to set their initial size, and their min
- size to the passed in value (if any.)
+ Gets the help text to be used as context-sensitive help for this window.
+ Note that the text is actually stored by the current wxHelpProvider
+ implementation, and not in the window object itself.
- @see SetSize(), GetBestSize(), GetEffectiveMinSize(),
- @ref overview_windowsizing
+ @see SetHelpText(), GetHelpTextAtPoint(), wxHelpProvider
*/
- void SetInitialSize(const wxSize& size = wxDefaultSize);
+ wxString GetHelpText() const;
/**
- Sets the window's label.
-
- @param label
- The window label.
+ Sets the help text to be used as context-sensitive help for this window.
+ Note that the text is actually stored by the current wxHelpProvider
+ implementation, and not in the window object itself.
- @see GetLabel()
+ @see GetHelpText(), wxHelpProvider::AddHelp()
*/
- virtual void SetLabel(const wxString& label);
+ void SetHelpText(const wxString& helpText);
/**
- Sets the maximum client size of the window, to indicate to the sizer
- layout mechanism that this is the maximum possible size of its client area.
+ Gets the help text to be used as context-sensitive help for this window.
+ This method should be overridden if the help message depends on the position
+ inside the window, otherwise GetHelpText() can be used.
- @see SetMaxSize()
+ @param point
+ Coordinates of the mouse at the moment of help event emission.
+ @param origin
+ Help event origin, see also wxHelpEvent::GetOrigin.
*/
- void SetMaxClientSize(const wxSize& size);
+ virtual wxString GetHelpTextAtPoint(const wxPoint& point,
+ wxHelpEvent::Origin origin) const;
/**
- Sets the maximum size of the window, to indicate to the sizer layout mechanism
- that this is the maximum possible size.
-
- @see SetMaxClientSize()
+ Get the associated tooltip or @NULL if none.
*/
- void SetMaxSize(const wxSize& size);
+ wxToolTip* GetToolTip() const;
/**
- Sets the minimum client size of the window, to indicate to the sizer
- layout mechanism that this is the minimum required size of window's client
- area.
+ Attach a tooltip to the window.
- You may need to call this if you change the window size after
- construction and before adding to its parent sizer.
+ wxToolTip pointer can be @NULL in the overload taking the pointer,
+ meaning to unset any existing tooltips, however UnsetToolTip() provides
+ a more readable alternative to this operation.
- Note, that just as with SetMinSize(), calling this method doesn't
- prevent the program from explicitly making the window smaller than the
- specified size.
+ Notice that these methods are always available, even if wxWidgets was
+ compiled with @c wxUSE_TOOLTIPS set to 0, but don't do anything in this
+ case.
- @see SetMinSize()
+ @see GetToolTip(), wxToolTip
*/
- void SetMinClientSize(const wxSize& size);
+ void SetToolTip(const wxString& tip);
/**
- Sets the minimum size of the window, to indicate to the sizer layout
- mechanism that this is the minimum required size.
+ @overload
+ */
+ void SetToolTip(wxToolTip* tip);
- You may need to call this if you change the window size after
- construction and before adding to its parent sizer.
+ /**
+ Unset any existing tooltip.
- Notice that calling this method doesn't prevent the program from making
- the window explicitly smaller than the specified size by calling
- SetSize(), it just ensures that it won't become smaller than this size
- during the automatic layout.
+ @since 2.9.0
- @see SetMinClientSize()
- */
- void SetMinSize(const wxSize& size);
+ @see SetToolTip()
+ */
+ void UnsetToolTip();
- /**
- Sets the window's name.
+ //@}
- @param name
- A name to set for the window.
- @see GetName()
+ /**
+ @name Popup/context menu functions
*/
- virtual void SetName(const wxString& name);
+ //@{
/**
- Sets the background colour of the window but prevents it from being inherited
- by the children of this window.
+ This function shows a popup menu at the given position in this window and
+ returns the selected id.
- @see SetBackgroundColour(), InheritAttributes()
- */
- void SetOwnBackgroundColour(const wxColour& colour);
+ It can be more convenient than the general purpose PopupMenu() function
+ for simple menus proposing a choice in a list of strings to the user.
- /**
- Sets the font of the window but prevents it from being inherited by the
- children of this window.
+ Notice that to avoid unexpected conflicts between the (usually
+ consecutive range of) ids used by the menu passed to this function and
+ the existing EVT_UPDATE_UI() handlers, this function temporarily
+ disables UI updates for the window, so you need to manually disable
+ (or toggle or ...) any items which should be disabled in the menu
+ before showing it.
- @see SetFont(), InheritAttributes()
- */
- void SetOwnFont(const wxFont& font);
+ The parameter @a menu is the menu to show.
+ The parameter @a pos (or the parameters @a x and @a y) is the
+ position at which to show the menu in client coordinates.
- /**
- Sets the foreground colour of the window but prevents it from being inherited
- by the children of this window.
+ @return
+ The selected menu item id or @c wxID_NONE if none selected or an
+ error occurred.
- @see SetForegroundColour(), InheritAttributes()
+ @since 2.9.0
*/
- void SetOwnForegroundColour(const wxColour& colour);
+ int GetPopupMenuSelectionFromUser(wxMenu& menu, const wxPoint& pos);
/**
- Obsolete - use wxDC::SetPalette instead.
+ @overload
*/
- virtual void SetPalette(wxPalette* palette);
+ int GetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
/**
- Sets the position of one of the built-in scrollbars.
+ Pops up the given menu at the specified coordinates, relative to this
+ window, and returns control when the user has dismissed the menu.
- @param orientation
- Determines the scrollbar whose position is to be set. May be wxHORIZONTAL
- or wxVERTICAL.
- @param pos
- Position in scroll units.
- @param refresh
- @true to redraw the scrollbar, @false otherwise.
+ If a menu item is selected, the corresponding menu event is generated and will be
+ processed as usually. If the coordinates are not specified, current mouse
+ cursor position is used.
- @remarks This function does not directly affect the contents of the
- window: it is up to the application to take note of
- scrollbar attributes and redraw contents accordingly.
+ @a menu is the menu to pop up.
- @see SetScrollbar(), GetScrollPos(), GetScrollThumb(), wxScrollBar,
- wxScrolled
+ The position where the menu will appear can be specified either as a
+ wxPoint @a pos or by two integers (@a x and @a y).
+
+ @remarks Just before the menu is popped up, wxMenu::UpdateUI is called to
+ ensure that the menu items are in the correct state.
+ The menu does not get deleted by the window.
+ It is recommended to not explicitly specify coordinates when
+ calling PopupMenu in response to mouse click, because some of
+ the ports (namely, wxGTK) can do a better job of positioning
+ the menu in that case.
+
+ @see wxMenu
*/
- virtual void SetScrollPos(int orientation, int pos,
- bool refresh = true);
+ bool PopupMenu(wxMenu* menu,
+ const wxPoint& pos = wxDefaultPosition);
/**
- Sets the scrollbar properties of a built-in scrollbar.
+ @overload
+ */
+ bool PopupMenu(wxMenu* menu, int x, int y);
- @param orientation
- Determines the scrollbar whose page size is to be set. May be wxHORIZONTAL
- or wxVERTICAL.
- @param position
- The position of the scrollbar in scroll units.
- @param thumbSize
- The size of the thumb, or visible portion of the scrollbar, in scroll units.
- @param range
- The maximum position of the scrollbar.
- @param refresh
- @true to redraw the scrollbar, @false otherwise.
+ //@}
- @remarks Let's say you wish to display 50 lines of text, using the same
- font. The window is sized so that you can only see 16
- lines at a time.
- @see @ref overview_scrolling, wxScrollBar, wxScrolled, wxScrollWinEvent
+ /**
+ Validator functions
*/
- virtual void SetScrollbar(int orientation, int position,
- int thumbSize,
- int range,
- bool refresh = true);
+ //@{
+
+ /**
+ Returns a pointer to the current validator for the window, or @NULL if
+ there is none.
+ */
+ virtual wxValidator* GetValidator();
+
+ /**
+ Deletes the current validator (if any) and sets the window validator, having
+ called wxValidator::Clone to create a new validator of this type.
+ */
+ virtual void SetValidator(const wxValidator& validator);
+
+ /**
+ Transfers values from child controls to data areas specified by their
+ validators. Returns @false if a transfer failed.
+
+ If the window has @c wxWS_EX_VALIDATE_RECURSIVELY extra style flag set,
+ the method will also call TransferDataFromWindow() of all child windows.
+
+ @see TransferDataToWindow(), wxValidator, Validate()
+ */
+ virtual bool TransferDataFromWindow();
+
+ /**
+ Transfers values to child controls from data areas specified by their
+ validators.
+
+ If the window has @c wxWS_EX_VALIDATE_RECURSIVELY extra style flag set,
+ the method will also call TransferDataToWindow() of all child windows.
+
+ @return Returns @false if a transfer failed.
+
+ @see TransferDataFromWindow(), wxValidator, Validate()
+ */
+ virtual bool TransferDataToWindow();
+ /**
+ Validates the current values of the child controls using their validators.
+ If the window has @c wxWS_EX_VALIDATE_RECURSIVELY extra style flag set,
+ the method will also call Validate() of all child windows.
+
+ @return Returns @false if any of the validations failed.
+
+ @see TransferDataFromWindow(), TransferDataToWindow(),
+ wxValidator
+ */
+ virtual bool Validate();
+
+ //@}
+
+
+ /**
+ @name wxWindow properties functions
+ */
//@{
+
/**
- Sets the size of the window in pixels.
+ Returns the identifier of the window.
+
+ @remarks Each window has an integer identifier. If the application
+ has not provided one (or the default wxID_ANY) an unique
+ identifier with a negative value will be generated.
+
+ @see SetId(), @ref overview_windowids
+ */
+ wxWindowID GetId() const;
+
+ /**
+ Generic way of getting a label from any window, for
+ identification purposes.
+
+ @remarks The interpretation of this function differs from class to class.
+ For frames and dialogs, the value returned is the
+ title. For buttons or static text controls, it is the
+ button text. This function can be useful for
+ meta-programs (such as testing tools or special-needs
+ access programs) which need to identify windows by name.
+ */
+ virtual wxString GetLabel() const;
+
+ /**
+ Returns the layout direction for this window,
+ Note that @c wxLayout_Default is returned if layout direction is not supported.
+ */
+ virtual wxLayoutDirection GetLayoutDirection() const;
+
+ /**
+ Returns the window's name.
+
+ @remarks This name is not guaranteed to be unique; it is up to the
+ programmer to supply an appropriate name in the window
+ constructor or via SetName().
+
+ @see SetName()
+ */
+ virtual wxString GetName() const;
+
+ /**
+ Returns the value previously passed to SetWindowVariant().
+ */
+ wxWindowVariant GetWindowVariant() const;
+
+ /**
+ Sets the identifier of the window.
+
+ @remarks Each window has an integer identifier. If the application has
+ not provided one, an identifier will be generated.
+ Normally, the identifier should be provided on creation
+ and should not be modified subsequently.
+
+ @see GetId(), @ref overview_windowids
+ */
+ void SetId(wxWindowID winid);
+
+ /**
+ Sets the window's label.
+
+ @param label
+ The window label.
+
+ @see GetLabel()
+ */
+ virtual void SetLabel(const wxString& label);
+
+ /**
+ Sets the layout direction for this window.
+ */
+ virtual void SetLayoutDirection(wxLayoutDirection dir);
+
+ /**
+ Sets the window's name.
+
+ @param name
+ A name to set for the window.
+
+ @see GetName()
+ */
+ virtual void SetName(const wxString& name);
+
+ /**
+ This function can be called under all platforms but only does anything under
+ Mac OS X 10.3+ currently. Under this system, each of the standard control can
+ exist in several sizes which correspond to the elements of wxWindowVariant enum.
+
+ By default the controls use the normal size, of course, but this function can
+ be used to change this.
+ */
+ void SetWindowVariant(wxWindowVariant variant);
+
+ /**
+ Gets the accelerator table for this window. See wxAcceleratorTable.
+ */
+ wxAcceleratorTable* GetAcceleratorTable();
+
+ /**
+ Returns the accessible object for this window, if any.
+ See also wxAccessible.
+ */
+ wxAccessible* GetAccessible();
+
+ /**
+ Sets the accelerator table for this window. See wxAcceleratorTable.
+ */
+ virtual void SetAcceleratorTable(const wxAcceleratorTable& accel);
+
+ /**
+ Sets the accessible for this window. Any existing accessible for this window
+ will be deleted first, if not identical to @e accessible.
+ See also wxAccessible.
+ */
+ void SetAccessible(wxAccessible* accessible);
+
+ //@}
+
+
+ /**
+ @name Window deletion functions
+ */
+ //@{
+
+ /**
+ This function simply generates a wxCloseEvent whose handler usually tries
+ to close the window. It doesn't close the window itself, however.
+
+ @param force
+ @false if the window's close handler should be able to veto the destruction
+ of this window, @true if it cannot.
+
+ @remarks Close calls the close handler for the window, providing an
+ opportunity for the window to choose whether to destroy
+ the window. Usually it is only used with the top level
+ windows (wxFrame and wxDialog classes) as the others
+ are not supposed to have any special OnClose() logic.
+ The close handler should check whether the window is being deleted
+ forcibly, using wxCloseEvent::CanVeto, in which case it should
+ destroy the window using wxWindow::Destroy.
+ Note that calling Close does not guarantee that the window will
+ be destroyed; but it provides a way to simulate a manual close
+ of a window, which may or may not be implemented by destroying
+ the window. The default implementation of wxDialog::OnCloseWindow
+ does not necessarily delete the dialog, since it will simply
+ simulate an wxID_CANCEL event which is handled by the appropriate
+ button event handler and may do anything at all.
+ To guarantee that the window will be destroyed, call
+ wxWindow::Destroy instead
+
+ @see @ref overview_windowdeletion "Window Deletion Overview",
+ Destroy(), wxCloseEvent
+ */
+ bool Close(bool force = false);
+
+ /**
+ Destroys the window safely. Use this function instead of the delete operator,
+ since different window classes can be destroyed differently. Frames and dialogs
+ are not destroyed immediately when this function is called -- they are added
+ to a list of windows to be deleted on idle time, when all the window's events
+ have been processed. This prevents problems with events being sent to
+ non-existent windows.
+
+ @return @true if the window has either been successfully deleted, or it
+ has been added to the list of windows pending real deletion.
+ */
+ virtual bool Destroy();
+
+ /**
+ Returns true if this window is in process of being destroyed.
+
+ The top level windows are not deleted immediately but are rather
+ scheduled for later destruction to give them time to process any
+ pending messages, see Destroy() description.
+
+ This function returns @true if this window, or one of its parent
+ windows, is scheduled for destruction and can be useful to avoid
+ manipulating it as it's usually useless to do something with a window
+ which is on the point of disappearing anyhow.
+ */
+ bool IsBeingDeleted() const;
+
+ //@}
+
+
+
+ /**
+ @name Drag and drop functions
+ */
+ //@{
+
+ /**
+ Returns the associated drop target, which may be @NULL.
+
+ @see SetDropTarget(), @ref overview_dnd
+ */
+ virtual wxDropTarget* GetDropTarget() const;
+
+ /**
+ Associates a drop target with this window.
+ If the window already has a drop target, it is deleted.
+
+ @see GetDropTarget(), @ref overview_dnd
+ */
+ virtual void SetDropTarget(wxDropTarget* target);
+
+ /**
+ Enables or disables eligibility for drop file events (OnDropFiles).
+
+ @param accept
+ If @true, the window is eligible for drop file events.
+ If @false, the window will not accept drop file events.
+
+ @remarks Windows only until version 2.8.9, available on all platforms
+ since 2.8.10. Cannot be used together with SetDropTarget() on
+ non-Windows platforms.
+
+ @see SetDropTarget()
+ */
+ virtual void DragAcceptFiles(bool accept);
- @param x
- Required x position in pixels, or wxDefaultCoord to indicate that the
- existing
- value should be used.
- @param y
- Required y position in pixels, or wxDefaultCoord to indicate that the
- existing
- value should be used.
- @param width
- Required width in pixels, or wxDefaultCoord to indicate that the existing
- value should be used.
- @param height
- Required height position in pixels, or wxDefaultCoord to indicate that the
- existing
- value should be used.
- @param size
- wxSize object for setting the size.
- @param rect
- wxRect object for setting the position and size.
- @param sizeFlags
- Indicates the interpretation of other parameters. It is a bit list of the
- following:
- wxSIZE_AUTO_WIDTH: a wxDefaultCoord width value is taken to indicate
- a wxWidgets-supplied default width.
-
- wxSIZE_AUTO_HEIGHT: a wxDefaultCoord height value is taken to indicate
- a wxWidgets-supplied default height.
-
- wxSIZE_AUTO: wxDefaultCoord size values are taken to indicate
- a wxWidgets-supplied default size.
-
- wxSIZE_USE_EXISTING: existing dimensions should be used
- if wxDefaultCoord values are supplied.
-
- wxSIZE_ALLOW_MINUS_ONE: allow negative dimensions (i.e. value of
- wxDefaultCoord) to be interpreted
- as real dimensions, not default values.
- wxSIZE_FORCE: normally, if the position and the size of the window are
- already the same as the parameters of this function, nothing is done. but
- with
- this flag a window resize may be forced even in this case (supported in wx
- 2.6.2 and later and only implemented for MSW and ignored elsewhere
- currently)
-
- @remarks The second form is a convenience for calling the first form with
- default x and y parameters, and must be used with
- non-default width and height values.
-
- @see Move()
- */
- virtual void SetSize(int x, int y, int width, int height,
- int sizeFlags = wxSIZE_AUTO);
- virtual void SetSize(const wxRect& rect);
- virtual void SetSize(int width, int height);
- virtual void SetSize(const wxSize& size);
//@}
+
/**
- Sets the window to have the given layout sizer. The window
- will then own the object, and will take care of its deletion.
+ @name Constraints, sizers and window layouting functions
+ */
+ //@{
+
+ /**
+ Return the sizer that this window is a member of, if any, otherwise @NULL.
+ */
+ wxSizer* GetContainingSizer() const;
+
+ /**
+ Return the sizer associated with the window by a previous call to
+ SetSizer() or @NULL.
+ */
+ wxSizer* GetSizer() const;
+
+ /**
+ Sets the window to have the given layout sizer.
+ The window will then own the object, and will take care of its deletion.
If an existing layout constraints object is already owned by the
window, it will be deleted if the deleteOld parameter is @true.
- Note that this function will also call
- SetAutoLayout() implicitly with @true
+
+ Note that this function will also call SetAutoLayout() implicitly with @true
parameter if the @a sizer is non-@NULL and @false otherwise.
@param sizer
@param deleteOld
If @true (the default), this will delete any pre-existing sizer.
Pass @false if you wish to handle deleting the old sizer yourself.
+
@remarks SetSizer enables and disables Layout automatically.
*/
void SetSizer(wxSizer* sizer, bool deleteOld = true);
/**
- This method calls SetSizer() and then
- wxSizer::SetSizeHints which sets the initial
+ This method calls SetSizer() and then wxSizer::SetSizeHints which sets the initial
window size to the size needed to accommodate all sizer elements and sets the
size hints which, if this window is a top level one, prevent the user from
resizing it to be less than this minimial size.
void SetSizerAndFit(wxSizer* sizer, bool deleteOld = true);
/**
- This function tells a window if it should use the system's "theme" code
- to draw the windows' background instead if its own background drawing
- code. This does not always have any effect since the underlying platform
- obviously needs to support the notion of themes in user defined windows.
- One such platform is GTK+ where windows can have (very colourful) backgrounds
- defined by a user's selected theme.
- Dialogs, notebook pages and the status bar have this flag set to @true
- by default so that the default look and feel is simulated best.
+ Returns a pointer to the window's layout constraints, or @NULL if there are none.
*/
- virtual void SetThemeEnabled(bool enable);
+ wxLayoutConstraints* GetConstraints() const;
+
+ /**
+ Sets the window to have the given layout constraints. The window
+ will then own the object, and will take care of its deletion.
+ If an existing layout constraints object is already owned by the
+ window, it will be deleted.
+
+ @param constraints
+ The constraints to set. Pass @NULL to disassociate and delete the window's
+ constraints.
+
+ @remarks You must call SetAutoLayout() to tell a window to use
+ the constraints automatically in OnSize; otherwise, you
+ must override OnSize and call Layout() explicitly. When
+ setting both a wxLayoutConstraints and a wxSizer, only
+ the sizer will have effect.
+ */
+ void SetConstraints(wxLayoutConstraints* constraints);
+
+
+ /**
+ Invokes the constraint-based layout algorithm or the sizer-based algorithm
+ for this window.
+
+ This function does not get called automatically when the window is resized
+ because lots of windows deriving from wxWindow does not need this functionality.
+ If you want to have Layout() called automatically, you should derive
+ from wxPanel (see wxPanel::Layout).
+
+ @see @ref overview_windowsizing
+ */
+ virtual bool Layout();
+
+ /**
+ Determines whether the Layout() function will be called automatically
+ when the window is resized. Please note that this only happens for the
+ windows usually used to contain children, namely wxPanel and wxTopLevelWindow
+ (and the classes deriving from them).
+
+ This method is called implicitly by SetSizer() but if you use SetConstraints()
+ you should call it manually or otherwise the window layout won't be correctly
+ updated when its size changes.
+
+ @param autoLayout
+ Set this to @true if you wish the Layout() function to be
+ called automatically when the window is resized
+ (really happens only if you derive from wxPanel or wxTopLevelWindow).
+
+ @see SetConstraints()
+ */
+ void SetAutoLayout(bool autoLayout);
+
+ //@}
+
+
+ /**
+ @name Mouse functions
+ */
//@{
+
/**
- Attach a tooltip to the window.
- See also: GetToolTip(),
- wxToolTip
+ Directs all mouse input to this window.
+ Call ReleaseMouse() to release the capture.
+
+ Note that wxWidgets maintains the stack of windows having captured the mouse
+ and when the mouse is released the capture returns to the window which had had
+ captured it previously and it is only really released if there were no previous
+ window. In particular, this means that you must release the mouse as many times
+ as you capture it, unless the window receives the wxMouseCaptureLostEvent event.
+
+ Any application which captures the mouse in the beginning of some operation
+ must handle wxMouseCaptureLostEvent and cancel this operation when it receives
+ the event. The event handler must not recapture mouse.
+
+ @see ReleaseMouse(), wxMouseCaptureLostEvent
*/
- void SetToolTip(const wxString& tip);
- void SetToolTip(wxToolTip* tip);
+ void CaptureMouse();
+
+ /**
+ Returns the caret() associated with the window.
+ */
+ wxCaret* GetCaret() const;
+
+ /**
+ Return the cursor associated with this window.
+
+ @see SetCursor()
+ */
+ const wxCursor& GetCursor() const;
+
+ /**
+ Returns @true if this window has the current mouse capture.
+
+ @see CaptureMouse(), ReleaseMouse(), wxMouseCaptureLostEvent,
+ wxMouseCaptureChangedEvent
+ */
+ virtual bool HasCapture() const;
+
+ /**
+ Releases mouse input captured with CaptureMouse().
+
+ @see CaptureMouse(), HasCapture(), ReleaseMouse(),
+ wxMouseCaptureLostEvent, wxMouseCaptureChangedEvent
+ */
+ void ReleaseMouse();
+
+ /**
+ Sets the caret() associated with the window.
+ */
+ void SetCaret(wxCaret* caret);
+
+ /**
+ Sets the window's cursor. Notice that the window cursor also sets it for the
+ children of the window implicitly.
+
+ The @a cursor may be @c wxNullCursor in which case the window cursor will
+ be reset back to default.
+
+ @param cursor
+ Specifies the cursor that the window should normally display.
+
+ @see ::wxSetCursor, wxCursor
+ */
+ virtual bool SetCursor(const wxCursor& cursor);
+
+ /**
+ Moves the pointer to the given position on the window.
+
+ @note This function is not supported under Mac because Apple Human
+ Interface Guidelines forbid moving the mouse cursor programmatically.
+
+ @param x
+ The new x position for the cursor.
+ @param y
+ The new y position for the cursor.
+ */
+ virtual void WarpPointer(int x, int y);
+
//@}
+
+
+
/**
- Set the transparency of the window. If the system supports transparent windows,
- returns @true, otherwise returns @false and the window remains fully opaque.
- See also CanSetTransparent().
- The parameter @a alpha is in the range 0..255 where 0 corresponds to a
- fully transparent window and 255 to the fully opaque one. The constants
- @c wxIMAGE_ALPHA_TRANSPARENT and @c wxIMAGE_ALPHA_OPAQUE can be
- used.
+ @name Miscellaneous functions
+ */
+ //@{
+
+ /**
+ Does the window-specific updating after processing the update event.
+ This function is called by UpdateWindowUI() in order to check return
+ values in the wxUpdateUIEvent and act appropriately.
+ For example, to allow frame and dialog title updating, wxWidgets
+ implements this function as follows:
+
+ @code
+ // do the window-specific processing after processing the update event
+ void wxTopLevelWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
+ {
+ if ( event.GetSetEnabled() )
+ Enable(event.GetEnabled());
+
+ if ( event.GetSetText() )
+ {
+ if ( event.GetText() != GetTitle() )
+ SetTitle(event.GetText());
+ }
+ }
+ @endcode
+ */
+ virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
+
+ /**
+ Returns the platform-specific handle of the physical window.
+ Cast it to an appropriate handle, such as @b HWND for Windows,
+ @b Widget for Motif, @b GtkWidget for GTK or @b WinHandle for PalmOS.
+ */
+ virtual WXWidget GetHandle() const;
+
+ /**
+ This method should be overridden to return @true if this window has
+ multiple pages. All standard class with multiple pages such as
+ wxNotebook, wxListbook and wxTreebook already override it to return @true
+ and user-defined classes with similar behaviour should do it as well to
+ allow the library to handle such windows appropriately.
+ */
+ virtual bool HasMultiplePages() const;
+
+ /**
+ This function is (or should be, in case of custom controls) called during
+ window creation to intelligently set up the window visual attributes, that is
+ the font and the foreground and background colours.
+
+ By "intelligently" the following is meant: by default, all windows use their
+ own @ref GetClassDefaultAttributes() default attributes.
+ However if some of the parents attributes are explicitly (that is, using
+ SetFont() and not wxWindow::SetOwnFont) changed and if the corresponding
+ attribute hadn't been explicitly set for this window itself, then this
+ window takes the same value as used by the parent.
+ In addition, if the window overrides ShouldInheritColours() to return @false,
+ the colours will not be changed no matter what and only the font might.
+
+ This rather complicated logic is necessary in order to accommodate the
+ different usage scenarios. The most common one is when all default attributes
+ are used and in this case, nothing should be inherited as in modern GUIs
+ different controls use different fonts (and colours) than their siblings so
+ they can't inherit the same value from the parent. However it was also deemed
+ desirable to allow to simply change the attributes of all children at once by
+ just changing the font or colour of their common parent, hence in this case we
+ do inherit the parents attributes.
+ */
+ virtual void InheritAttributes();
+
+ /**
+ Sends an @c wxEVT_INIT_DIALOG event, whose handler usually transfers data
+ to the dialog via validators.
+ */
+ virtual void InitDialog();
+
+ /**
+ Returns @true if the window contents is double-buffered by the system, i.e. if
+ any drawing done on the window is really done on a temporary backing surface
+ and transferred to the screen all at once later.
+
+ @see wxBufferedDC
+ */
+ virtual bool IsDoubleBuffered() const;
+
+ /**
+ Returns @true if the window is retained, @false otherwise.
+
+ @remarks Retained windows are only available on X platforms.
+ */
+ virtual bool IsRetained() const;
+
+ /**
+ Returns @true if this window is intrinsically enabled, @false otherwise,
+ i.e. if @ref Enable() Enable(@false) had been called. This method is
+ mostly used for wxWidgets itself, user code should normally use
+ IsEnabled() instead.
+ */
+ bool IsThisEnabled() const;
+
+ /**
+ Returns @true if the given window is a top-level one. Currently all frames and
+ dialogs are considered to be top-level windows (even if they have a parent
+ window).
+ */
+ virtual bool IsTopLevel() const;
+
+ /**
+ Disables all other windows in the application so that
+ the user can only interact with this window.
+
+ @param modal
+ If @true, this call disables all other windows in the application so that
+ the user can only interact with this window. If @false, the effect is
+ reversed.
+ */
+ virtual void MakeModal(bool modal = true);
+
+ /**
+ This virtual function is normally only used internally, but
+ sometimes an application may need it to implement functionality
+ that should not be disabled by an application defining an OnIdle
+ handler in a derived class.
+
+ This function may be used to do delayed painting, for example,
+ and most implementations call UpdateWindowUI()
+ in order to send update events to the window in idle time.
*/
- bool SetTransparent(wxByte alpha);
+ virtual void OnInternalIdle();
+
+ /**
+ Registers a system wide hotkey. Every time the user presses the hotkey
+ registered here, this window will receive a hotkey event.
+
+ It will receive the event even if the application is in the background
+ and does not have the input focus because the user is working with some
+ other application.
+
+ @param hotkeyId
+ Numeric identifier of the hotkey. For applications this must be between 0
+ and 0xBFFF. If this function is called from a shared DLL, it must be a
+ system wide unique identifier between 0xC000 and 0xFFFF.
+ This is a MSW specific detail.
+ @param modifiers
+ A bitwise combination of wxMOD_SHIFT, wxMOD_CONTROL, wxMOD_ALT
+ or wxMOD_WIN specifying the modifier keys that have to be pressed along
+ with the key.
+ @param virtualKeyCode
+ The virtual key code of the hotkey.
+
+ @return @true if the hotkey was registered successfully. @false if some
+ other application already registered a hotkey with this
+ modifier/virtualKeyCode combination.
- /**
- Deletes the current validator (if any) and sets the window validator, having
- called wxValidator::Clone to
- create a new validator of this type.
- */
- virtual void SetValidator(const wxValidator& validator);
+ @remarks Use EVT_HOTKEY(hotkeyId, fnc) in the event table to capture the
+ event. This function is currently only implemented
+ under Windows. It is used in the Windows CE port for
+ detecting hardware button presses.
- //@{
- /**
- Sets the virtual size of the window in pixels.
+ @see UnregisterHotKey()
*/
- void SetVirtualSize(int width, int height);
- void SetVirtualSize(const wxSize& size);
- //@}
+ virtual bool RegisterHotKey(int hotkeyId, int modifiers,
+ int virtualKeyCode);
/**
- Identical to SetWindowStyleFlag().
- */
- void SetWindowStyle(long style);
+ Unregisters a system wide hotkey.
- /**
- Sets the style of the window. Please note that some styles cannot be changed
- after the window creation and that Refresh() might
- need to be be called after changing the others for the change to take place
- immediately.
- See @ref overview_windowstyles "Window styles" for more information about flags.
+ @param hotkeyId
+ Numeric identifier of the hotkey. Must be the same id that was passed to
+ RegisterHotKey().
- @see GetWindowStyleFlag()
- */
- virtual void SetWindowStyleFlag(long style);
+ @return @true if the hotkey was unregistered successfully, @false if the
+ id was invalid.
- /**
- This function can be called under all platforms but only does anything under
- Mac OS X 10.3+ currently. Under this system, each of the standard control can
- exist in several sizes which correspond to the elements of wxWindowVariant
- enum:
+ @remarks This function is currently only implemented under MSW.
- By default the controls use the normal size, of course, but this function can
- be used to change this.
+ @see RegisterHotKey()
*/
- void SetWindowVariant(wxWindowVariant variant);
+ virtual bool UnregisterHotKey(int hotkeyId);
/**
- Return @true from here to allow the colours of this window to be changed by
- InheritAttributes(), returning @false
- forbids inheriting them from the parent window.
- The base class version returns @false, but this method is overridden in
- wxControl where it returns @true.
+ This function sends one or more wxUpdateUIEvent to the window.
+ The particular implementation depends on the window; for example a
+ wxToolBar will send an update UI event for each toolbar button,
+ and a wxFrame will send an update UI event for each menubar menu item.
+
+ You can call this function from your application to ensure that your
+ UI is up-to-date at this point (as far as your wxUpdateUIEvent handlers
+ are concerned). This may be necessary if you have called
+ wxUpdateUIEvent::SetMode() or wxUpdateUIEvent::SetUpdateInterval() to limit
+ the overhead that wxWidgets incurs by sending update UI events in idle time.
+ @a flags should be a bitlist of one or more of the ::wxUpdateUI enumeration.
+
+ If you are calling this function from an OnInternalIdle or OnIdle
+ function, make sure you pass the wxUPDATE_UI_FROMIDLE flag, since
+ this tells the window to only update the UI elements that need
+ to be updated in idle time. Some windows update their elements
+ only when necessary, for example when a menu is about to be shown.
+ The following is an example of how to call UpdateWindowUI from
+ an idle function.
+
+ @code
+ void MyWindow::OnInternalIdle()
+ {
+ if (wxUpdateUIEvent::CanUpdate(this))
+ UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
+ }
+ @endcode
+
+ @see wxUpdateUIEvent, DoUpdateWindowUI(), OnInternalIdle()
*/
- virtual bool ShouldInheritColours();
+ virtual void UpdateWindowUI(long flags = wxUPDATE_UI_NONE);
- /**
- Shows or hides the window. You may need to call Raise()
- for a top level window if you want to bring it to top, although this is not
- needed if Show() is called immediately after the frame creation.
+ //@}
- @param show
- If @true displays the window. Otherwise, hides it.
- @return @true if the window has been shown or hidden or @false if nothing
- was done because it already was in the requested state.
+ // NOTE: static functions must have their own group or Doxygen will screw
+ // up the ordering of the member groups
- @see IsShown(), Hide(), wxRadioBox::Show, wxShowEvent.
+ /**
+ @name Miscellaneous static functions
*/
- virtual bool Show(bool show = true);
+ //@{
/**
- This function shows a window, like Show(), but using a special visual
- effect if possible.
+ Returns the default font and colours which are used by the control.
- @param effect
- The effect to use.
+ This is useful if you want to use the same font or colour in your own control
+ as in a standard control -- which is a much better idea than hard coding specific
+ colours or fonts which might look completely out of place on the users
+ system, especially if it uses themes.
- @param timeout
- The @a timeout parameter specifies the time of the animation, in
- milliseconds. If the default value of 0 is used, the default
- animation time for the current platform is used.
+ The @a variant parameter is only relevant under Mac currently and is
+ ignore under other platforms. Under Mac, it will change the size of the
+ returned font. See SetWindowVariant() for more about this.
- @note Currently this function is only implemented in wxMSW and does the
- same thing as Show() in the other ports.
+ This static method is "overridden" in many derived classes and so calling,
+ for example, wxButton::GetClassDefaultAttributes() will typically
+ return the values appropriate for a button which will be normally different
+ from those returned by, say, wxListCtrl::GetClassDefaultAttributes().
- @since 2.9.0
+ The @c wxVisualAttributes structure has at least the fields
+ @c font, @c colFg and @c colBg. All of them may be invalid
+ if it was not possible to determine the default control appearance or,
+ especially for the background colour, if the field doesn't make sense as is
+ the case for @c colBg for the controls with themed background.
- @see HideWithEffect()
+ @see InheritAttributes()
*/
- virtual bool ShowWithEffect(wxShowEffect effect,
- unsigned timeout = 0);
+ static wxVisualAttributes GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
/**
- Reenables window updating after a previous call to Freeze().
-
- To really thaw the control, it must be called exactly the same number
- of times as Freeze().
+ Finds the window or control which currently has the keyboard focus.
- If the window has any children, they are recursively thawn too.
+ @remarks Note that this is a static function, so it can be called without
+ needing a wxWindow pointer.
- @see wxWindowUpdateLocker, Freeze(), IsFrozen()
+ @see SetFocus(), HasFocus()
*/
- virtual void Thaw();
+ static wxWindow* FindFocus();
/**
- Turns the given @a flag on if it's currently turned off and vice versa.
- This function cannot be used if the value of the flag is 0 (which is often
- the case for default flags).
- Also, please notice that not all styles can be changed after the control
- creation.
+ Find the first window with the given @e id.
- @return Returns @true if the style was turned on by this function, @false
- if it was switched off.
+ If @a parent is @NULL, the search will start from all top-level frames
+ and dialog boxes; if non-@NULL, the search will be limited to the given
+ window hierarchy.
+ The search is recursive in both cases.
- @see SetWindowStyleFlag(), HasFlag()
+ @see FindWindow()
*/
- bool ToggleWindowStyle(int flag);
+ static wxWindow* FindWindowById(long id, const wxWindow* parent = 0);
/**
- Transfers values from child controls to data areas specified by their
- validators. Returns
- @false if a transfer failed.
- If the window has @c wxWS_EX_VALIDATE_RECURSIVELY extra style flag set,
- the method will also call TransferDataFromWindow() of all child windows.
+ Find a window by its label.
- @see TransferDataToWindow(), wxValidator, Validate()
+ Depending on the type of window, the label may be a window title
+ or panel item label. If @a parent is @NULL, the search will start from all
+ top-level frames and dialog boxes; if non-@NULL, the search will be
+ limited to the given window hierarchy.
+ The search is recursive in both cases.
+
+ @see FindWindow()
*/
- virtual bool TransferDataFromWindow();
+ static wxWindow* FindWindowByLabel(const wxString& label,
+ const wxWindow* parent = 0);
/**
- Transfers values to child controls from data areas specified by their
- validators.
- If the window has @c wxWS_EX_VALIDATE_RECURSIVELY extra style flag set,
- the method will also call TransferDataToWindow() of all child windows.
+ Find a window by its name (as given in a window constructor or Create()
+ function call).
- @return Returns @false if a transfer failed.
+ If @a parent is @NULL, the search will start from all top-level frames
+ and dialog boxes; if non-@NULL, the search will be limited to the given
+ window hierarchy.
- @see TransferDataFromWindow(), wxValidator, Validate()
+ The search is recursive in both cases. If no window with such name is found,
+ FindWindowByLabel() is called.
+
+ @see FindWindow()
*/
- virtual bool TransferDataToWindow();
+ static wxWindow* FindWindowByName(const wxString& name,
+ const wxWindow* parent = 0);
/**
- Unregisters a system wide hotkey.
+ Returns the currently captured window.
- @param hotkeyId
- Numeric identifier of the hotkey. Must be the same id that was passed to
- RegisterHotKey.
+ @see HasCapture(), CaptureMouse(), ReleaseMouse(),
+ wxMouseCaptureLostEvent, wxMouseCaptureChangedEvent
+ */
+ static wxWindow* GetCapture();
- @return @true if the hotkey was unregistered successfully, @false if the
- id was invalid.
+ /**
+ Create a new ID or range of IDs that are not currently in use.
+ The IDs will be reserved until assigned to a wxWindow ID
+ or unreserved with UnreserveControlId().
- @remarks This function is currently only implemented under MSW.
+ See @ref overview_windowids for more information.
- @see RegisterHotKey()
+ @param count
+ The number of sequential IDs to reserve.
+
+ @return Returns the ID or the first ID of the range, or wxID_NONE if the
+ specified number of identifiers couldn't be allocated.
+
+ @see UnreserveControlId(), wxIdManager,
+ @ref overview_windowids
*/
- bool UnregisterHotKey(int hotkeyId);
+ static wxWindowID NewControlId(int count = 1);
/**
Unreserve an ID or range of IDs that was reserved by NewControlId().
- See @ref overview_windowids "Window IDs Overview" for more information.
+ See @ref overview_windowids for more information.
@param id
The starting ID of the range of IDs to unreserve.
The number of sequential IDs to unreserve.
@see NewControlId(), wxIdManager, @ref overview_windowids
- "Window IDs Overview"
*/
static void UnreserveControlId(wxWindowID id, int count = 1);
- /**
- Calling this method immediately repaints the invalidated area of the window and
- all of its children recursively while this would usually only happen when the
- flow of control returns to the event loop.
- Notice that this function doesn't invalidate any area of the window so
- nothing happens if nothing has been invalidated (i.e. marked as requiring
- a redraw). Use Refresh() first if you want to
- immediately redraw the window unconditionally.
- */
- virtual void Update();
+ //@}
+
+
+
+protected:
/**
- This function sends wxUpdateUIEvents() to
- the window. The particular implementation depends on the window; for
- example a wxToolBar will send an update UI event for each toolbar button,
- and a wxFrame will send an update UI event for each menubar menu item.
- You can call this function from your application to ensure that your
- UI is up-to-date at this point (as far as your wxUpdateUIEvent handlers
- are concerned). This may be necessary if you have called
- wxUpdateUIEvent::SetMode or
- wxUpdateUIEvent::SetUpdateInterval to
- limit the overhead that wxWidgets incurs by sending update UI events in idle
- time.
- @a flags should be a bitlist of one or more of the following values.
+ Gets the size which best suits the window: for a control, it would be
+ the minimal size which doesn't truncate the control, for a panel - the
+ same size as it would have after a call to Fit().
- If you are calling this function from an OnInternalIdle or OnIdle
- function, make sure you pass the wxUPDATE_UI_FROMIDLE flag, since
- this tells the window to only update the UI elements that need
- to be updated in idle time. Some windows update their elements
- only when necessary, for example when a menu is about to be shown.
- The following is an example of how to call UpdateWindowUI from
- an idle function.
+ The default implementation of this function is designed for use in container
+ windows, such as wxPanel, and works something like this:
+ -# If the window has a sizer then it is used to calculate the best size.
+ -# Otherwise if the window has layout constraints then those are used to
+ calculate the best size.
+ -# Otherwise if the window has children then the best size is set to be large
+ enough to show all the children.
+ -# Otherwise if there are no children then the window's minimal size will be
+ used as its best size.
+ -# Otherwise if there is no minimal size set, then the current size is used
+ for the best size.
- @see wxUpdateUIEvent, DoUpdateWindowUI(), OnInternalIdle()
+ @see @ref overview_windowsizing
*/
- virtual void UpdateWindowUI(long flags = wxUPDATE_UI_NONE);
+ virtual wxSize DoGetBestSize() const;
+
/**
- Validates the current values of the child controls using their validators.
- If the window has @c wxWS_EX_VALIDATE_RECURSIVELY extra style flag set,
- the method will also call Validate() of all child windows.
+ Sets the initial window size if none is given (i.e. at least one of the
+ components of the size passed to ctor/Create() is wxDefaultCoord).
+ @deprecated @todo provide deprecation description
+ */
+ virtual void SetInitialBestSize(const wxSize& size);
- @return Returns @false if any of the validations failed.
+ /**
+ Generate wxWindowDestroyEvent for this window.
- @see TransferDataFromWindow(), TransferDataToWindow(),
- wxValidator
- */
- virtual bool Validate();
+ This is called by the window itself when it is being destroyed and
+ usually there is no need to call it but see wxWindowDestroyEvent for
+ explanations of when you might want to do it.
+ */
+ void SendDestroyEvent();
/**
- Moves the pointer to the given position on the window.
- @note This function is not supported under Mac because Apple Human
- Interface Guidelines forbid moving the mouse cursor programmatically.
+ This function is public in wxEvtHandler but protected in wxWindow
+ because for wxWindows you should always call ProcessEvent() on the
+ pointer returned by GetEventHandler() and not on the wxWindow object
+ itself.
- @param x
- The new x position for the cursor.
- @param y
- The new y position for the cursor.
- */
- void WarpPointer(int x, int y);
-};
+ For convenience, a ProcessWindowEvent() method is provided as a synonym
+ for @code GetEventHandler()->ProcessEvent() @endcode.
+ Note that it's still possible to call these functions directly on the
+ wxWindow object (e.g. casting it to wxEvtHandler) but doing that will
+ create subtle bugs when windows with event handlers pushed on them are
+ involved.
-/// Valid values for wxWindow::ShowWithEffect() and wxWindow::HideWithEffect().
-enum wxShowEffect
-{
- /// Roll window to the left
- wxSHOW_EFFECT_ROLL_TO_LEFT,
- /// Roll window to the right
- wxSHOW_EFFECT_ROLL_TO_RIGHT,
- /// Roll window to the top
- wxSHOW_EFFECT_ROLL_TO_TOP,
- /// Roll window to the bottom
- wxSHOW_EFFECT_ROLL_TO_BOTTOM,
- /// Slide window to the left
- wxSHOW_EFFECT_SLIDE_TO_LEFT,
- /// Slide window to the right
- wxSHOW_EFFECT_SLIDE_TO_RIGHT,
- /// Slide window to the top
- wxSHOW_EFFECT_SLIDE_TO_TOP,
- /// Slide window to the bottom
- wxSHOW_EFFECT_SLIDE_TO_BOTTOM,
- /// Fade in or out effect
- wxSHOW_EFFECT_BLEND,
- /// Expanding or collapsing effect
- wxSHOW_EFFECT_EXPAND
+ This holds also for all other wxEvtHandler functions.
+ */
+ virtual bool ProcessEvent(wxEvent& event);
+
+ //@{
+ /**
+ See ProcessEvent() for more info about why you shouldn't use this function
+ and the reason for making this function protected in wxWindow.
+ */
+ bool SafelyProcessEvent(wxEvent& event);
+ virtual void QueueEvent(wxEvent *event);
+ virtual void AddPendingEvent(const wxEvent& event);
+ void ProcessPendingEvents();
+ bool ProcessThreadEvent(const wxEvent& event);
+ //@}
};
// Global functions/macros
// ============================================================================
-/** @ingroup group_funcmacro_misc */
+/** @addtogroup group_funcmacro_misc */
//@{
/**
projects / wxWidgets.git / blobdiff