X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/141794f13fc943742ac9cf33d5d4d16b7c96e754..7344108e8a129a3f9b4df5ab0f98a1713db03b89:/interface/wx/window.h?ds=inline diff --git a/interface/wx/window.h b/interface/wx/window.h index 82f484cb5b..d98fb8b0ab 100644 --- a/interface/wx/window.h +++ b/interface/wx/window.h @@ -3,7 +3,7 @@ // Purpose: interface of wxWindow // Author: wxWidgets team // RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -12,6 +12,13 @@ */ enum wxShowEffect { + /** + No effect, equivalent to normal wxWindow::Show() or Hide() call. + + @since 2.9.1 + */ + wxSHOW_EFFECT_NONE, + /// Roll window to the left wxSHOW_EFFECT_ROLL_TO_LEFT, @@ -43,6 +50,28 @@ enum wxShowEffect wxSHOW_EFFECT_EXPAND }; + + +/** + Struct containing all the visual attributes of a control. +*/ +struct wxVisualAttributes +{ + /// The font used for control label/text inside it. + wxFont font; + + /// The foreground colour. + wxColour colFg; + + /** + The background colour. + + May be wxNullColour if the controls background colour is not solid. + */ + wxColour colBg; +}; + + /** Different window variants, on platforms like eg mac uses different rendering sizes. @@ -61,7 +90,7 @@ enum wxWindowVariant @class wxWindow 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 + on 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 @@ -161,12 +190,12 @@ enum wxWindowVariant 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 - for the reasons explained in the @ref overview_eventhandling. + 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. + risk of creating a dialog/frame with this window as a parent, which + would lead to a crash if the parent were 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 @@ -182,11 +211,66 @@ enum wxWindowVariant 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). + See wxKeyEvent. + @event{EVT_CHAR(func)} + Process a @c wxEVT_CHAR event. + See wxKeyEvent. + @event{EVT_CHAR_HOOK(func)} + Process a @c wxEVT_CHAR_HOOK 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_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{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 { @@ -237,6 +321,13 @@ public: virtual ~wxWindow(); + bool Create(wxWindow *parent, + wxWindowID id, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = 0, + const wxString& name = wxPanelNameStr); + /** @name Focus functions @@ -262,7 +353,7 @@ public: virtual bool AcceptsFocusFromKeyboard() const; /** - Overridden to indicate wehter this window or one of its children accepts + Overridden to indicate whether this window or one of its children accepts focus. Usually it's the same as AcceptsFocus() but is overridden for container windows. */ @@ -379,7 +470,7 @@ public: wxWindow* GetGrandParent() const; /** - Returns the next window after this one among the parent children or @NULL + Returns the next window after this one among the parent's children or @NULL if this window is the last child. @since 2.8.8 @@ -394,7 +485,7 @@ public: wxWindow* GetParent() const; /** - Returns the previous window before this one among the parent children or @c + Returns the previous window before this one among the parent's children or @c @NULL if this window is the first child. @since 2.8.8 @@ -402,11 +493,31 @@ public: @see GetNextSibling() */ wxWindow* GetPrevSibling() const; + /** - Reparents the window, i.e the window will be removed from its + Check if the specified window is a descendant of this one. + + Returns @true if the window is a descendant (i.e. a child or + grand-child or grand-grand-child or ...) of this one. + + Notice that a window can never be a descendant of another one if they + are in different top level windows, i.e. a child of a wxDialog is not + considered to be a descendant of dialogs parent wxFrame. + + @param win Any window, possible @NULL (@false is always returned then). + + @since 2.9.4 + */ + bool IsDescendant(wxWindowBase* win) const; + + /** + 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. + Notice that currently you need to explicitly call + wxNotebook::RemovePage() before reparenting a notebook page. + @param newParent New parent. */ @@ -460,7 +571,23 @@ public: virtual int GetScrollThumb(int orientation) const; /** - Returns @true if this window has a scroll bar for this orientation. + Returns @true if this window can have a scroll bar in this orientation. + + @param orient + Orientation to check, either wxHORIZONTAL or wxVERTICAL. + + @since 2.9.1 + */ + bool CanScroll(int orient) const; + + /** + Returns @true if this window currently has a scroll bar for this + orientation. + + This method may return @false even when CanScroll() for the same + orientation returns @true, but if CanScroll() returns @false, i.e. + scrolling in this direction is not enabled at all, HasScrollbar() + always returns @false as well. @param orient Orientation to check, either wxHORIZONTAL or wxVERTICAL. @@ -610,7 +737,8 @@ public: /** @name Sizing functions - See also the protected functions DoGetBestSize() and SetInitialBestSize(). + See also the protected functions DoGetBestSize() and + DoGetBestClientSize(). */ //@{ @@ -691,13 +819,32 @@ public: wxPanel), the size returned by this function will be the same as the size the window would have had after calling Fit(). - Note that when you write your own widget you need to overload the - DoGetBestSize() function instead of this (non-virtual!) function. + Override virtual DoGetBestSize() or, better, because it's usually more + convenient, DoGetBestClientSize() when writing your own custom window + class to change the value returned by this public non-virtual method. @see CacheBestSize(), @ref overview_windowsizing */ wxSize GetBestSize() const; + /** + Returns the best height needed by this window if it had the given width. + + @see DoGetBestClientHeight() + + @since 2.9.4 + */ + int GetBestHeight(int width) const; + + /** + Returns the best width needed by this window if it had the given height. + + @see DoGetBestClientWidth() + + @since 2.9.4 + */ + int GetBestWidth(int height) const; + /** Returns the size of the window 'client area' in pixels. @@ -706,6 +853,11 @@ public: 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). + @beginWxPerlOnly + In wxPerl this method takes no parameters and returns + a 2-element list (width, height). + @endWxPerlOnly + @see GetSize(), GetVirtualSize() */ void GetClientSize(int* width, int* height) const; @@ -718,10 +870,10 @@ public: /** 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. + amount 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. + This is the method called by a wxSizer when it queries the size + of a window or control. @see GetBestSize(), SetInitialSize(), @ref overview_windowsizing */ @@ -770,6 +922,11 @@ public: */ virtual wxSize GetMinSize() const; + int GetMinWidth() const; + int GetMinHeight() const; + int GetMaxWidth() const; + int GetMaxHeight() const; + /** Returns the size of the entire window in pixels, including title bar, border, scrollbars, etc. @@ -782,6 +939,11 @@ public: @param height Receives the window height. + @beginWxPerlOnly + In wxPerl this method is implemented as GetSizeWH() returning + a 2-element list (width, height). + @endWxPerlOnly + @see GetClientSize(), GetVirtualSize(), @ref overview_windowsizing */ void GetSize(int* width, int* height) const; @@ -810,12 +972,31 @@ public: */ void GetVirtualSize(int* width, int* height) const; + /** + Return the largest of ClientSize and BestSize (as determined + by a sizer, interior children, or other means) + */ + virtual wxSize GetBestVirtualSize() const; + /** Returns the size of the left/right and top/bottom borders of this window in x and y components of the result respectively. */ virtual wxSize GetWindowBorderSize() const; + /** + wxSizer and friends use this to give a chance to a component to recalc + its min size once one of the final size components is known. Override + this function when that is useful (such as for wxStaticText which can + stretch over several lines). Parameter availableOtherDir + tells the item how much more space there is available in the opposite + direction (-1 if unknown). + */ + virtual bool + InformFirstDirection(int direction, + int size, + int availableOtherDir); + /** Resets the cached best size value so it will be recalculated the next time it is needed. @@ -885,12 +1066,17 @@ public: @see @ref overview_windowsizing */ - virtual void SetClientSize(int width, int height); + void SetClientSize(int width, int height); + + /** + @overload + */ + void SetClientSize(const wxSize& size); /** @overload */ - virtual void SetClientSize(const wxSize& size); + void SetClientSize(const wxRect& rect); /** This normally does not need to be called by user code. @@ -1028,17 +1214,17 @@ public: @see Move(), @ref overview_windowsizing */ - virtual void SetSize(const wxRect& rect); + void SetSize(const wxRect& rect); /** @overload */ - virtual void SetSize(const wxSize& size); + void SetSize(const wxSize& size); /** @overload */ - virtual void SetSize(int width, int height); + void SetSize(int width, int height); /** Use of this function for windows which are not toplevel windows @@ -1047,9 +1233,12 @@ public: @see wxTopLevelWindow::SetSizeHints, @ref overview_windowsizing */ - void SetSizeHints( const wxSize& minSize, - const wxSize& maxSize=wxDefaultSize, - const wxSize& incSize=wxDefaultSize); + virtual void SetSizeHints( const wxSize& minSize, + const wxSize& maxSize=wxDefaultSize, + const wxSize& incSize=wxDefaultSize); + virtual void SetSizeHints( int minW, int minH, + int maxW = -1, int maxH = -1, + int incW = -1, int incH = -1 ); /** Sets the virtual size of the window in pixels. @@ -1085,13 +1274,13 @@ public: 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 + Specifies the direction for the centring. May be wxHORIZONTAL, wxVERTICAL + or wxBOTH. It may also include the wxCENTRE_ON_SCREEN flag + if you want to centre 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. + it will be centred relative to the screen anyhow. @see Center() */ @@ -1101,10 +1290,10 @@ public: Centres the window on its parent. This is a more readable synonym for Centre(). @param direction - Specifies the direction for the centering. May be wxHORIZONTAL, wxVERTICAL + Specifies the direction for the centring. May be wxHORIZONTAL, wxVERTICAL or wxBOTH. - @remarks This methods provides for a way to center top level windows over + @remarks This methods provides for a way to centre 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(). @@ -1112,6 +1301,7 @@ public: @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. @@ -1121,6 +1311,11 @@ public: @param y Receives the y position of the window if non-@NULL. + @beginWxPerlOnly + In wxPerl this method is implemented as GetPositionXY() returning + a 2-element list (x, y). + @endWxPerlOnly + @see GetScreenPosition() */ void GetPosition(int* x, int* y) const; @@ -1168,6 +1363,20 @@ public: */ wxRect GetScreenRect() const; + /** + Get the origin of the client area of the window relative to the + window top left corner (the client area may be shifted because of + the borders, scrollbars, other decorations...) + */ + virtual wxPoint GetClientAreaOrigin() const; + + /** + Get the client rectangle in window (i.e. client) coordinates + */ + wxRect GetClientRect() const; + + + /** Moves the window to the given position. @@ -1206,6 +1415,8 @@ public: */ void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING); + void SetPosition(const wxPoint& pt); + //@} @@ -1224,11 +1435,10 @@ public: A pointer to a integer value for the y coordinate. Pass the client coordinate in, and a screen coordinate will be passed out. - @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 + @beginWxPerlOnly + In wxPerl this method returns a 2-element list instead of + modifying its parameters. + @endWxPerlOnly */ void ClientToScreen(int* x, int* y) const; @@ -1258,12 +1468,12 @@ public: @see ConvertPixelsToDialog() */ - wxPoint ConvertDialogToPixels(const wxPoint& pt); + wxPoint ConvertDialogToPixels(const wxPoint& pt) const; /** @overload */ - wxSize ConvertDialogToPixels(const wxSize& sz); + wxSize ConvertDialogToPixels(const wxSize& sz) const; /** Converts a point or size from pixels to dialog units. @@ -1278,12 +1488,12 @@ public: @see ConvertDialogToPixels() */ - wxPoint ConvertPixelsToDialog(const wxPoint& pt); + wxPoint ConvertPixelsToDialog(const wxPoint& pt) const; /** @overload */ - wxSize ConvertPixelsToDialog(const wxSize& sz); + wxSize ConvertPixelsToDialog(const wxSize& sz) const; /** Converts from screen to client window coordinates. @@ -1312,8 +1522,14 @@ public: //@{ /** - Clears the window by filling it with the current background colour. Does not - cause an erase background event to be generated. + Clears the window by filling it with the current background colour. + + Does not cause an erase background event to be generated. + + Notice that this uses wxClientDC to draw on the window and the results + of doing it while also drawing on wxPaintDC for this window are + undefined. Hence this method shouldn't be used from EVT_PAINT handlers, + just use wxDC::Clear() on the wxPaintDC you already use there instead. */ virtual void ClearBackground(); @@ -1338,12 +1554,12 @@ public: void Freeze(); /** - Reenables window updating after a previous call to Freeze(). + Re-enables 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(). - If the window has any children, they are recursively thawn too. + If the window has any children, they are recursively thawed too. @see wxWindowUpdateLocker, Freeze(), IsFrozen() */ @@ -1365,12 +1581,12 @@ public: /** Returns the background style of the window. - The background style can be one of the wxBackgroundStyle. @see SetBackgroundColour(), GetForegroundColour(), SetBackgroundStyle(), SetTransparent() */ virtual wxBackgroundStyle GetBackgroundStyle() const; + /** Returns the character height for this window. */ @@ -1408,9 +1624,8 @@ public: /** Returns the foreground colour of the window. - @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 The meaning of foreground colour varies according to the window class; + it may be the text colour or other colour, or it may not be used at all. @see SetForegroundColour(), SetBackgroundColour(), GetBackgroundColour() @@ -1421,7 +1636,7 @@ public: 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. + The text extent is returned in the @a w and @a h pointers. @param string String whose extent is to be measured. @@ -1435,11 +1650,18 @@ public: Return value for external leading (optional). @param font Font to use instead of the current window font (optional). + + @beginWxPerlOnly + In wxPerl this method takes only the @a string and optionally + @a font parameters, and returns a 4-element list + (x, y, descent, externalLeading). + @endWxPerlOnly */ - virtual void GetTextExtent(const wxString& string, int* w, int* h, - int* descent = NULL, - int* externalLeading = NULL, - const wxFont* font = NULL) const; + void GetTextExtent(const wxString& string, + int* w, int* h, + int* descent = NULL, + int* externalLeading = NULL, + const wxFont* font = NULL) const; /** Gets the dimensions of the string as it would be drawn on the @@ -1455,6 +1677,11 @@ public: */ const wxRegion& GetUpdateRegion() const; + /** + Get the update rectangle bounding box in client coords + */ + wxRect GetUpdateClientRect() const; + /** Returns @true if this window background is transparent (as, for example, for wxStaticText) and should show the parent window background. @@ -1492,8 +1719,8 @@ public: /** 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. + all of its children recursively (this normally only happens 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 @@ -1504,12 +1731,19 @@ public: /** Sets the background colour of the window. + + Notice that as with SetForegroundColour(), setting the background + colour of a native control may not affect the entire control and could + be not supported at all depending on the control and platform. + Please see InheritAttributes() for explanation of the difference between this method and SetOwnBackgroundColour(). @param colour - The colour to be used as the background colour, pass + The colour to be used as the background colour; pass wxNullColour to reset to the default colour. + Note that you may want to use wxSystemSettings::GetColour() to retrieve + a suitable colour to use rather than setting an hard-coded one. @remarks The background colour is usually painted by the default wxEraseEvent event handler function under Windows and @@ -1522,21 +1756,90 @@ public: usually the themes represent the appearance chosen by the user to be used for all applications on the system. + @return @true if the colour was really changed, @false if it was already set + to this colour and nothing was done. + @see GetBackgroundColour(), SetForegroundColour(), GetForegroundColour(), ClearBackground(), - Refresh(), wxEraseEvent + Refresh(), wxEraseEvent, wxSystemSettings */ virtual bool SetBackgroundColour(const wxColour& colour); /** - Sets the background style of the window. see GetBackgroundStyle() for - the description of the possible style values. + Sets the background style of the window. + + The default background style is @c wxBG_STYLE_ERASE which indicates that + the window background may be erased in @c EVT_ERASE_BACKGROUND handler. + This is a safe, compatibility default; however you may want to change it + to @c wxBG_STYLE_SYSTEM if you don't define any erase background event + handlers at all, to avoid unnecessary generation of erase background + events and always let system erase the background. And you should + change the background style to @c wxBG_STYLE_PAINT if you define an + @c EVT_PAINT handler which completely overwrites the window background as + in this case erasing it previously, either in @c EVT_ERASE_BACKGROUND + handler or in the system default handler, would result in flicker as + the background pixels will be repainted twice every time the window is + redrawn. Do ensure that the background is entirely erased by your + @c EVT_PAINT handler in this case however as otherwise garbage may be left + on screen. + + Notice that in previous versions of wxWidgets a common way to work + around the above mentioned flickering problem was to define an empty + @c EVT_ERASE_BACKGROUND handler. Setting background style to + @c wxBG_STYLE_PAINT is a simpler and more efficient solution to the same + problem. + + + Under wxGTK and wxOSX, you can use ::wxBG_STYLE_TRANSPARENT to obtain + full transparency of the window background. Note that wxGTK supports + this only since GTK 2.12 with a compositing manager enabled, call + IsTransparentBackgroundSupported() to check whether this is the case. + + Also, on order for @c SetBackgroundStyle(wxBG_STYLE_TRANSPARENT) to + work, it must be called before Create(). If you're using your own + wxWindow-derived class you should write your code in the following way: + @code + class MyWidget : public wxWindow + { + public: + MyWidget(wxWindow* parent, ...) + : wxWindow() // Use default ctor here! + { + // Do this first: + SetBackgroundStyle(wxBG_STYLE_TRANSPARENT); + + // And really create the window afterwards: + Create(parent, ...); + } + }; + @endcode @see SetBackgroundColour(), GetForegroundColour(), - SetTransparent() + SetTransparent(), IsTransparentBackgroundSupported() */ virtual bool SetBackgroundStyle(wxBackgroundStyle style); + /** + Checks whether using transparent background might work. + + If this function returns @false, calling SetBackgroundStyle() with + ::wxBG_STYLE_TRANSPARENT is not going to work. If it returns @true, + setting transparent style should normally succeed. + + Notice that this function would typically be called on the parent of a + window you want to set transparent background style for as the window + for which this method is called must be fully created. + + @param reason + If not @NULL, a reason message is provided if transparency is not + supported. + + @return @true if background transparency is supported. + + @since 2.9.4 + */ + virtual bool IsTransparentBackgroundSupported(wxString *reason = NULL) const; + /** 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, @@ -1553,8 +1856,8 @@ public: 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. + @return @true if the font was really changed, @false if it was already set + to this font and nothing was done. @see GetFont(), InheritAttributes() */ @@ -1562,16 +1865,22 @@ public: /** Sets the foreground colour of the window. + + The meaning of foreground colour varies according to the window class; + it may be the text colour or other colour, or it may not be used at + all. Additionally, not all native controls support changing their + foreground colour so this method may change their colour only partially + or even not at all. + Please see InheritAttributes() for explanation of the difference between this method and SetOwnForegroundColour(). @param colour - The colour to be used as the foreground colour, pass + The colour to be used as the foreground colour; pass wxNullColour to reset to the default colour. - @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 colour was really changed, @false if it was already set + to this colour and nothing was done. @see GetForegroundColour(), SetBackgroundColour(), GetBackgroundColour(), ShouldInheritColours() @@ -1609,7 +1918,7 @@ public: /** 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. + 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. @@ -1618,7 +1927,7 @@ public: /** 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 + to draw the windows' background instead of 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 @@ -1629,6 +1938,10 @@ public: */ virtual void SetThemeEnabled(bool enable); + /** + */ + virtual bool GetThemeEnabled() const; + /** Returns @true if the system supports transparent windows and calling SetTransparent() may succeed. If this function returns @false, transparent @@ -1694,15 +2007,28 @@ public: 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. + associated with the window; use this function instead. */ bool ProcessWindowEvent(wxEvent& event); + /** + Wrapper for wxEvtHandler::ProcessEventLocally(). + + This method is similar to ProcessWindowEvent() but can be used to + search for the event handler only in this window and any event handlers + pushed on top of it. Unlike ProcessWindowEvent() it won't propagate the + event upwards. But it will use the validator and event handlers + associated with this window, if any. + + @since 2.9.1 + */ + bool ProcessWindowEventLocally(wxEvent& event); + /** Removes and returns the top-most event handler on the event handler stack. E.g. in the case of: - @image html overview_eventhandling_winstack.png + @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. @@ -1714,7 +2040,7 @@ public: If this is @true, the handler will be deleted after it is removed (and the returned value will be @NULL). - @see @ref overview_eventhandling_processing + @see @ref overview_events_processing */ wxEvtHandler* PopEventHandler(bool deleteHandler = false); @@ -1737,7 +2063,7 @@ public: W->PushEventHandler(B); @endcode you will end up with the following situation: - @image html overview_eventhandling_winstack.png + @image html overview_events_winstack.png Note that you can use wxWindow::PopEventHandler to remove the event handler. @@ -1746,13 +2072,15 @@ public: It must not be part of a wxEvtHandler chain; an assert will fail if it's not unlinked (see wxEvtHandler::IsUnlinked). - @see @ref overview_eventhandling_processing + @see @ref overview_events_processing */ void PushEventHandler(wxEvtHandler* handler); /** - Find the given @a handler in the windows event handler stack and unlinks - (but not delete) it. See wxEvtHandler::Unlink() for more info. + Find the given @a handler in the windows event handler stack and + removes (but does not delete) it from the stack. + + See wxEvtHandler::Unlink() for more info. @param handler The event handler to remove, must be non-@NULL and @@ -1776,7 +2104,7 @@ public: @param handler Specifies the handler to be set. Cannot be @NULL. - @see @ref overview_eventhandling_processing + @see @ref overview_events_processing */ void SetEventHandler(wxEvtHandler* handler); @@ -1847,7 +2175,7 @@ public: /** 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 the window creation and that Refresh() might need to be called after changing the others for the change to take place immediately. See @ref overview_windowstyles "Window styles" for more information about flags. @@ -1925,13 +2253,13 @@ public: control. See also wxNavigationKeyEvent and HandleAsNavigationKey. */ - bool Navigate(int flags = IsForward); + bool Navigate(int flags = wxNavigationKeyEvent::IsForward); /** Performs a keyboard navigation action inside this window. See Navigate() for more information. */ - bool NavigateIn(int flags = IsForward); + bool NavigateIn(int flags = wxNavigationKeyEvent::IsForward); //@} @@ -1955,6 +2283,12 @@ public: /** Raises the window to the top of the window hierarchy (Z-order). + Notice that this function only requests the window manager to raise + this window to the top of Z-order. Depending on its configuration, the + window manager may raise the window, not do it at all or indicate that + a window requested to be raised in some other way, e.g. by flashing its + icon if it is minimized. + @remarks This function only works for wxTopLevelWindow-derived classes. @@ -2064,6 +2398,11 @@ public: 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. + Notice that the default state of newly created top level windows is hidden + (to allow you to create their contents without flicker) unlike for + all the other, not derived from wxTopLevelWindow, windows that + are by default created in the shown state. + @param show If @true displays the window. Otherwise, hides it. @@ -2086,8 +2425,10 @@ public: milliseconds. If the default value of 0 is used, the default animation time for the current platform is used. - @note Currently this function is only implemented in wxMSW and does the - same thing as Show() in the other ports. + @note Currently this function is only implemented in wxMSW and wxOSX + (for wxTopLevelWindows only in Carbon version and for any kind of + windows in Cocoa) and does the same thing as Show() in the other + ports. @since 2.9.0 @@ -2140,11 +2481,16 @@ public: */ wxToolTip* GetToolTip() const; + /** + Get the text of the associated tooltip or empty string if none. + */ + wxString GetToolTipText() const; + /** Attach a tooltip to the window. wxToolTip pointer can be @NULL in the overload taking the pointer, - meaning to unset any existing tooltips, however UnsetToolTip() provides + meaning to unset any existing tooltips; however UnsetToolTip() provides a more readable alternative to this operation. Notice that these methods are always available, even if wxWidgets was @@ -2153,7 +2499,7 @@ public: @see GetToolTip(), wxToolTip */ - void SetToolTip(const wxString& tip); + void SetToolTip(const wxString& tipString); /** @overload @@ -2194,6 +2540,10 @@ public: 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. + It is recommended to not explicitly specify coordinates when + calling this method in response to mouse click, because some of + the ports (namely, wxGTK) can do a better job of positioning + the menu in that case. @return The selected menu item id or @c wxID_NONE if none selected or an @@ -2201,7 +2551,8 @@ public: @since 2.9.0 */ - int GetPopupMenuSelectionFromUser(wxMenu& menu, const wxPoint& pos); + int GetPopupMenuSelectionFromUser(wxMenu& menu, + const wxPoint& pos = wxDefaultPosition); /** @overload @@ -2213,7 +2564,7 @@ public: 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 + processed as usual. If coordinates are not specified, the current mouse cursor position is used. @a menu is the menu to pop up. @@ -2307,7 +2658,7 @@ public: 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 + has not provided one (or the default wxID_ANY) a unique identifier with a negative value will be generated. @see SetId(), @ref overview_windowids @@ -2327,6 +2678,12 @@ public: */ 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. @@ -2365,6 +2722,11 @@ public: */ virtual void SetLabel(const wxString& label); + /** + Sets the layout direction for this window. + */ + virtual void SetLayoutDirection(wxLayoutDirection dir); + /** Sets the window's name. @@ -2385,7 +2747,6 @@ public: */ void SetWindowVariant(wxWindowVariant variant); - /** Gets the accelerator table for this window. See wxAcceleratorTable. */ @@ -2464,9 +2825,9 @@ public: /** Returns true if this window is in process of being destroyed. - The top level windows are not deleted immediately but are rather + 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. + 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 @@ -2518,36 +2879,40 @@ public: /** - @name Constraints, sizers and window layouting functions + @name Constraints, sizers and window layout functions */ //@{ /** - Return the sizer that this window is a member of, if any, otherwise @NULL. + Returns the sizer of which this window is a member, if any, otherwise @NULL. */ wxSizer* GetContainingSizer() const; /** - Return the sizer associated with the window by a previous call to - SetSizer() or @NULL. + Returns 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. + window, it will be deleted if the @a deleteOld parameter is @true. Note that this function will also call SetAutoLayout() implicitly with @true - parameter if the @a sizer is non-@NULL and @false otherwise. + parameter if the @a sizer is non-@NULL and @false otherwise so that the + sizer will be effectively used to layout the window children whenever + it is resized. @param sizer The sizer to set. Pass @NULL to disassociate and conditionally delete the window's sizer. See below. @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. + Pass @false if you wish to handle deleting the old sizer yourself + but remember to do it yourself in this case to avoid memory leaks. @remarks SetSizer enables and disables Layout automatically. */ @@ -2557,7 +2922,7 @@ public: 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. + resizing it to be less than this minimal size. */ void SetSizerAndFit(wxSizer* sizer, bool deleteOld = true); @@ -2584,7 +2949,6 @@ public: */ void SetConstraints(wxLayoutConstraints* constraints); - /** Invokes the constraint-based layout algorithm or the sizer-based algorithm for this window. @@ -2600,23 +2964,22 @@ public: /** 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). + when the window is resized. 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). + Set this to @true if you wish the Layout() function to be called + automatically when the window is resized. - @see SetConstraints() + @see SetSizer(), SetConstraints() */ void SetAutoLayout(bool autoLayout); + bool GetAutoLayout() const; + //@} @@ -2694,8 +3057,10 @@ public: /** 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. + @note Apple Human Interface Guidelines forbid moving the mouse cursor + programmatically so you should avoid using this function in Mac + applications (and probably avoid using it under the other + platforms without good reason as well). @param x The new x position for the cursor. @@ -2714,6 +3079,22 @@ public: */ //@{ + wxHitTest HitTest(wxCoord x, wxCoord y) const; + wxHitTest HitTest(const wxPoint& pt) const; + + /** + Get the window border style from the given flags: this is different from + simply doing flags & wxBORDER_MASK because it uses GetDefaultBorder() to + translate wxBORDER_DEFAULT to something reasonable + */ + wxBorder GetBorder(long flags) const; + + /** + Get border for the flags of this window + */ + wxBorder GetBorder() const; + + /** Does the window-specific updating after processing the update event. This function is called by UpdateWindowUI() in order to check return @@ -2741,7 +3122,11 @@ public: /** 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. + @b Widget for Motif or @b GtkWidget for GTK. + + @beginWxPerlOnly + This method will return an integer in wxPerl. + @endWxPerlOnly */ virtual WXWidget GetHandle() const; @@ -2749,7 +3134,7 @@ public: 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 + and user-defined classes with similar behaviour should also do so, to allow the library to handle such windows appropriately. */ virtual bool HasMultiplePages() const; @@ -2794,6 +3179,11 @@ public: */ virtual bool IsDoubleBuffered() const; + /** + Turn on or off double buffering of the window if the system supports it. + */ + void SetDoubleBuffered(bool on); + /** Returns @true if the window is retained, @false otherwise. @@ -2816,17 +3206,7 @@ public: */ 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 @@ -2979,6 +3359,8 @@ public: The search is recursive in both cases. @see FindWindow() + + @return Window with the given @a id or @NULL if not found. */ static wxWindow* FindWindowById(long id, const wxWindow* parent = 0); @@ -2992,6 +3374,8 @@ public: The search is recursive in both cases. @see FindWindow() + + @return Window with the given @a label or @NULL if not found. */ static wxWindow* FindWindowByLabel(const wxString& label, const wxWindow* parent = 0); @@ -3008,6 +3392,8 @@ public: FindWindowByLabel() is called. @see FindWindow() + + @return Window with the given @a name or @NULL if not found. */ static wxWindow* FindWindowByName(const wxString& name, const wxWindow* parent = 0); @@ -3030,8 +3416,8 @@ public: @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. + @return Returns the ID or the first ID of the range (i.e. the most negative), + or wxID_NONE if the specified number of identifiers couldn't be allocated. @see UnreserveControlId(), wxIdManager, @ref overview_windowids @@ -3058,9 +3444,25 @@ public: protected: /** - 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(). + Centres the window. + + @param direction + Specifies the direction for the centring. May be wxHORIZONTAL, + wxVERTICAL or wxBOTH. It may also include the wxCENTRE_ON_SCREEN + flag. + + @remarks This function is not meant to be called directly by user code, + but via Centre, Center, CentreOnParent, or CenterOnParent. + This function can be overridden to fine-tune centring behaviour. + */ + virtual void DoCentre(int direction); + + /** + Implementation of GetBestSize() that can be overridden. + + Notice that it is usually more convenient to override + DoGetBestClientSize() rather than this method itself as you need to + explicitly account for the window borders size if you do the latter. The default implementation of this function is designed for use in container windows, such as wxPanel, and works something like this: @@ -3078,11 +3480,65 @@ protected: */ virtual wxSize DoGetBestSize() const; + /** + Override this method to return the best size for a custom control. + + A typical implementation of this method should compute the minimal size + needed to fully display the control contents taking into account the + current font size. + + The default implementation simply returns ::wxDefaultSize and + GetBestSize() returns an arbitrary hardcoded size for the window, so + you must override it when implementing a custom window class. + + @see @ref overview_windowsizing + + @since 2.9.0 + */ + virtual wxSize DoGetBestClientSize() const; + + /** + Override this method to implement height-for-width best size + calculation. + + Return the height needed to fully display the control contents if its + width is fixed to the given value. Custom classes implementing + wrapping should override this method and return the height + corresponding to the number of lines needed to lay out the control + contents at this width. + + Currently this method is not used by wxWidgets yet, however it is + planned that it will be used by the new sizer classes implementing + height-for-width layout strategy in the future. + + Notice that implementing this method or even implementing both it and + DoGetBestClientWidth() doesn't replace overriding DoGetBestClientSize(), + i.e. you still need to implement the latter as well in order to provide + the best size when neither width nor height are constrained. + + By default returns ::wxDefaultCoord meaning that the vertical component + of DoGetBestClientSize() return value should be used. + + @since 2.9.4 + */ + virtual int DoGetBestClientHeight(int width) const; + + /** + Override this method to implement width-for-height best size + calculation. + + This method is exactly the same as DoGetBestClientHeight() except that + it determines the width assuming the height is fixed instead of vice + versa. + + @since 2.9.4 + */ + virtual int DoGetBestClientWidth(int height) const; /** 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 + @deprecated Use SetInitialSize() instead. */ virtual void SetInitialBestSize(const wxSize& size); @@ -3102,7 +3558,7 @@ protected: itself. For convenience, a ProcessWindowEvent() method is provided as a synonym - for @code GetEventHandler()->ProcessEvent() @endcode. + 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