X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a83e14751f3b4bb86da3ac2edea09c7f78f3ca3e..f888d61444c1549c5e8a593055f0159dd07eca86:/include/wx/window.h?ds=sidebyside diff --git a/include/wx/window.h b/include/wx/window.h index 905327ad1a..dce69059f9 100644 --- a/include/wx/window.h +++ b/include/wx/window.h @@ -2,7 +2,7 @@ // Name: wx/window.h // Purpose: wxWindowBase class - the interface of wxWindow // Author: Vadim Zeitlin -// Modified by: +// Modified by: Ron Lee // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) wxWindows team @@ -12,7 +12,7 @@ #ifndef _WX_WINDOW_H_BASE_ #define _WX_WINDOW_H_BASE_ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(__APPLE__) #pragma interface "windowbase.h" #endif @@ -32,10 +32,18 @@ #include "wx/validate.h" // for wxDefaultValidator (always include it) +#if wxUSE_PALETTE + #include "wx/palette.h" +#endif // wxUSE_PALETTE + #if wxUSE_ACCEL #include "wx/accel.h" #endif // wxUSE_ACCEL +#if wxUSE_ACCESSIBILITY +#include "wx/access.h" +#endif + // when building wxUniv/Foo we don't want the code for native menu use to be // compiled in - it should only be used when building real wxFoo #ifdef __WXUNIVERSAL__ @@ -61,6 +69,10 @@ class WXDLLEXPORT wxToolTip; class WXDLLEXPORT wxWindowBase; class WXDLLEXPORT wxWindow; +#if wxUSE_ACCESSIBILITY +class WXDLLEXPORT wxAccessible; +#endif + // ---------------------------------------------------------------------------- // (pseudo)template list classes // ---------------------------------------------------------------------------- @@ -95,7 +107,7 @@ public: // pseudo ctor (can't be virtual, called from ctor) bool CreateBase(wxWindowBase *parent, - wxWindowID id, + wxWindowID winid, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, @@ -104,16 +116,6 @@ public: virtual ~wxWindowBase(); -#if wxUSE_WX_RESOURCES - // these functions are implemented in resource.cpp and resourc2.cpp - virtual bool LoadFromResource(wxWindow *parent, - const wxString& resourceName, - const wxResourceTable *table = (const wxResourceTable *) NULL); - virtual wxControl *CreateItem(const wxItemResource* childResource, - const wxItemResource* parentResource, - const wxResourceTable *table = (const wxResourceTable *) NULL); -#endif // wxUSE_WX_RESOURCES - // deleting the window // ------------------- @@ -157,7 +159,7 @@ public: // window id uniquely identifies the window among its siblings unless // it is -1 which means "don't care" - void SetId( wxWindowID id ) { m_windowId = id; } + void SetId( wxWindowID winid ) { m_windowId = winid; } wxWindowID GetId() const { return m_windowId; } // generate a control id for the controls which were not given one by @@ -165,10 +167,10 @@ public: static int NewControlId() { return --ms_lastControlId; } // get the id of the control following the one with the given // (autogenerated) id - static int NextControlId(int id) { return id - 1; } + static int NextControlId(int winid) { return winid - 1; } // get the id of the control preceding the one with the given // (autogenerated) id - static int PrevControlId(int id) { return id + 1; } + static int PrevControlId(int winid) { return winid + 1; } // moving/resizing // --------------- @@ -266,7 +268,18 @@ public: *h = s.y; } - // the generic centre function - centers the window on parent by + // There are times (and windows) where 'Best' size and 'Min' size + // are vastly out of sync. This should be remedied somehow, but in + // the meantime, this method will return the larger of BestSize + // (the window's smallest legible size), and any user specified + // MinSize hint. + wxSize GetAdjustedBestSize() const + { + wxSize s( DoGetBestSize() ); + return wxSize( wxMax( s.x, GetMinWidth() ), wxMax( s.y, GetMinHeight() ) ); + } + + // the generic centre function - centers the window on parent by` // default or on screen if it doesn't have parent or // wxCENTER_ON_SCREEN flag is given void Centre( int direction = wxBOTH ); @@ -283,16 +296,63 @@ public: // set window size to wrap around its children virtual void Fit(); + // set virtual size to satisfy children + virtual void FitInside(); + // set min/max size of the window virtual void SetSizeHints( int minW, int minH, int maxW = -1, int maxH = -1, int incW = -1, int incH = -1 ); - int GetMinWidth() const { return m_minWidth; } - int GetMinHeight() const { return m_minHeight; } + virtual void SetVirtualSizeHints( int minW, int minH, + int maxW = -1, int maxH = -1 ); + + virtual int GetMinWidth() const { return m_minWidth; } + virtual int GetMinHeight() const { return m_minHeight; } int GetMaxWidth() const { return m_maxWidth; } int GetMaxHeight() const { return m_maxHeight; } + // Override this method to control the values given to Sizers etc. + virtual wxSize GetMaxSize() const { return wxSize( m_maxWidth, m_maxHeight ); } + + // Methods for accessing the virtual size of a window. For most + // windows this is just the client area of the window, but for + // some like scrolled windows it is more or less independent of + // the screen window size. You may override the DoXXXVirtual + // methods below for classes where that is is the case. + + void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); } + void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); } + + wxSize GetVirtualSize() const { return DoGetVirtualSize(); } + void GetVirtualSize( int *x, int *y ) const + { + wxSize s( DoGetVirtualSize() ); + + if( x ) + *x = s.GetWidth(); + if( y ) + *y = s.GetHeight(); + } + + // Override these methods for windows that have a virtual size + // independent of their client size. eg. the virtual area of a + // wxScrolledWindow. Default is to alias VirtualSize to ClientSize. + + virtual void DoSetVirtualSize( int x, int y ); + virtual wxSize DoGetVirtualSize() const; // { return m_virtualSize; } + + // Return the largest of ClientSize and BestSize (as determined + // by a sizer, interior children, or other means) + + virtual wxSize GetBestVirtualSize() const + { + wxSize client( GetClientSize() ); + wxSize best( GetBestSize() ); + + return wxSize( wxMax( client.x, best.x ), wxMax( client.y, best.y ) ); + } + // window state // ------------ @@ -322,7 +382,7 @@ public: // extra style: the less often used style bits which can't be set with // SetWindowStyleFlag() - void SetExtraStyle(long exStyle) { m_exStyle = exStyle; } + virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; } long GetExtraStyle() const { return m_exStyle; } // make the window modal (all other windows unresponsive) @@ -337,6 +397,9 @@ public: // set focus to this window virtual void SetFocus() = 0; + // set focus to this window as the result of a keyboard action + virtual void SetFocusFromKbd() { SetFocus(); } + // return the window which currently has the focus or NULL static wxWindow *FindFocus() /* = 0: implement in derived classes */; @@ -359,6 +422,9 @@ public: virtual wxWindow *SetDefaultItem(wxWindow * WXUNUSED(child)) { return NULL; } + // set this child as temporary default + virtual void SetTmpDefaultItem(wxWindow * WXUNUSED(win)) { } + // parent/children relations // ------------------------- @@ -379,14 +445,24 @@ public: // was changed, FALSE otherwise (error or newParent == oldParent) virtual bool Reparent( wxWindowBase *newParent ); + // implementation mostly + virtual void AddChild( wxWindowBase *child ); + virtual void RemoveChild( wxWindowBase *child ); + + // looking for windows + // ------------------- + // find window among the descendants of this one either by id or by // name (return NULL if not found) - wxWindow *FindWindow( long id ); + wxWindow *FindWindow( long winid ); wxWindow *FindWindow( const wxString& name ); - // implementation mostly - virtual void AddChild( wxWindowBase *child ); - virtual void RemoveChild( wxWindowBase *child ); + // Find a window among any window (all return NULL if not found) + static wxWindow *FindWindowById( long winid, const wxWindow *parent = NULL ); + static wxWindow *FindWindowByName( const wxString& name, + const wxWindow *parent = NULL ); + static wxWindow *FindWindowByLabel( const wxString& label, + const wxWindow *parent = NULL ); // event handler stuff // ------------------- @@ -403,6 +479,13 @@ public: void PushEventHandler( wxEvtHandler *handler ); wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE ); + // find the given handler in the event handler chain and remove (but + // not delete) it from the event handler chain, return 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) + bool RemoveEventHandler(wxEvtHandler *handler); + // validators // ---------- @@ -433,8 +516,18 @@ public: { m_acceleratorTable = accel; } wxAcceleratorTable *GetAcceleratorTable() { return &m_acceleratorTable; } + #endif // wxUSE_ACCEL +#if wxUSE_HOTKEY + // hot keys (system wide accelerators) + // ----------------------------------- + + virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode); + virtual bool UnregisterHotKey(int hotkeyId); +#endif // wxUSE_HOTKEY + + // dialog units translations // ------------------------- @@ -597,11 +690,19 @@ public: // misc // ---- - // get the window border style: uses the current style and falls back to - // the default style for this class otherwise (see GetDefaultBorder()) - wxBorder GetBorder() 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 { return GetBorder(GetWindowStyleFlag()); } - void UpdateWindowUI(); + // send wxUpdateUIEvents to this window, and children if recurse is TRUE + virtual void UpdateWindowUI(long flags = wxUPDATE_UI_NONE); + + // do the window-specific processing after processing the update event + virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ; #if wxUSE_MENUS bool PopupMenu( wxMenu *menu, const wxPoint& pos ) @@ -690,15 +791,6 @@ public: void SetConstraints( wxLayoutConstraints *constraints ); wxLayoutConstraints *GetConstraints() const { return m_constraints; } - // when using constraints, it makes sense to update children positions - // automatically whenever the window is resized - this is done if - // autoLayout is on - void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; } - bool GetAutoLayout() const { return m_autoLayout; } - - // do layout the window and its children - virtual bool Layout(); - // implementation only void UnsetConstraints(wxLayoutConstraints *c); wxWindowList *GetConstraintsInvolvedIn() const @@ -721,11 +813,42 @@ public: virtual void GetClientSizeConstraint(int *w, int *h) const ; virtual void GetPositionConstraint(int *x, int *y) const ; +#endif // wxUSE_CONSTRAINTS + + // when using constraints or sizers, it makes sense to update + // children positions automatically whenever the window is resized + // - this is done if autoLayout is on + void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; } + bool GetAutoLayout() const { return m_autoLayout; } + + // lay out the window and its children + virtual bool Layout(); + // sizers - // TODO: what are they and how do they work?? - void SetSizer( wxSizer *sizer ); + void SetSizer(wxSizer *sizer, bool deleteOld = TRUE ); + void SetSizerAndFit( wxSizer *sizer, bool deleteOld = TRUE ); + wxSizer *GetSizer() const { return m_windowSizer; } -#endif // wxUSE_CONSTRAINTS + + // Track if this window is a member of a sizer + void SetContainingSizer(wxSizer* sizer) { m_containingSizer = sizer; } + wxSizer *GetContainingSizer() const { return m_containingSizer; } + + // accessibility + // ---------------------- +#if wxUSE_ACCESSIBILITY + // Override to create a specific accessible object. + virtual wxAccessible* CreateAccessible(); + + // Sets the accessible object. + void SetAccessible(wxAccessible* accessible) ; + + // Returns the accessible object. + wxAccessible* GetAccessible() { return m_accessible; }; + + // Returns the accessible object, creating if necessary. + wxAccessible* GetOrCreateAccessible() ; +#endif // backward compatibility // ---------------------- @@ -749,12 +872,50 @@ public: void OnHelp(wxHelpEvent& event); #endif // wxUSE_HELP - // get the haqndle of the window for the underlying window system: this + // virtual function for implementing internal idle + // behaviour + virtual void OnInternalIdle() {} + + // call internal idle recursively +// void ProcessInternalIdle() ; + + // get the handle of the window for the underlying window system: this // is only used for wxWin itself or for user code which wants to call // platform-specific APIs virtual WXWidget GetHandle() const = 0; +#if wxUSE_PALETTE + // Store the palette used by DCs in wxWindow so that the dcs can share + // a palette. And we can respond to palette messages. + wxPalette GetPalette() const { return m_palette; } + + // When palette is changed tell the DC to set the system palette to the + // new one. + void SetPalette(const wxPalette& pal); + + // return true if we have a specific palette + bool HasCustomPalette() const { return m_hasCustomPalette; } + + // return the first parent window with a custom palette or NULL + wxWindow *GetAncestorWithCustomPalette() const; +#endif // wxUSE_PALETTE + protected: + // event handling specific to wxWindow +#if wxUSE_VALIDATORS + virtual bool TryValidator(wxEvent& event); +#endif // wxUSE_VALIDATORS + virtual bool TryParent(wxEvent& event); + + +#if wxUSE_CONSTRAINTS + // satisfy the constraints for the windows but don't set the window sizes + void SatisfyConstraints(); +#endif // wxUSE_CONSTRAINTS + + // Send the wxWindowDestroyEvent + void SendDestroyEvent(); + // the window id - a number which uniquely identifies a window among // its siblings unless it is -1 wxWindowID m_windowId; @@ -766,7 +927,10 @@ protected: // the minimal allowed size for the window (no minimal size if variable(s) // contain(s) -1) - int m_minWidth, m_minHeight, m_maxWidth, m_maxHeight; + int m_minWidth, + m_minHeight, + m_maxWidth, + m_maxHeight; // event handler for this window: usually is just 'this' but may be // changed with SetEventHandler() @@ -811,15 +975,16 @@ protected: // constraints this window is involved in wxWindowList *m_constraintsInvolvedIn; +#endif // wxUSE_CONSTRAINTS - // top level and the parent sizers - // TODO what's this and how does it work?) + // this window's sizer wxSizer *m_windowSizer; - wxWindowBase *m_sizerParent; + + // The sizer this window is a member of, if any + wxSizer *m_containingSizer; // Layout() window automatically when its size changes? bool m_autoLayout:1; -#endif // wxUSE_CONSTRAINTS // window state bool m_isShown:1; @@ -837,7 +1002,22 @@ protected: wxString m_windowName; bool m_themeEnabled; -protected: +#if wxUSE_PALETTE + wxPalette m_palette; + bool m_hasCustomPalette; +#endif // wxUSE_PALETTE + +#if wxUSE_ACCESSIBILITY + wxAccessible* m_accessible; +#endif + // Virtual size (scrolling) + wxSize m_virtualSize; + + int m_minVirtualWidth; // VirtualSizeHints + int m_minVirtualHeight; + int m_maxVirtualWidth; + int m_maxVirtualHeight; + // common part of all ctors: it is not virtual because it is called from // ctor void InitBase(); @@ -854,8 +1034,16 @@ protected: // set the best size for the control if the default size was given: // replaces the fields of size == -1 with the best values for them and // calls SetSize() if needed + // + // This function is rather unfortunately named.. it's really just a + // smarter SetSize / convenience function for expanding wxDefaultSize. + // Note that it does not influence the value returned by GetBestSize + // at all. void SetBestSize(const wxSize& size) { + // the size only needs to be changed if the current size is incomplete, + // i.e. one of the components was specified as default -- so if both + // were given, simply don't do anything if ( size.x == -1 || size.y == -1 ) { wxSize sizeBest = DoGetBestSize(); @@ -926,9 +1114,11 @@ protected: // Makes an adjustment to the window position (for example, a frame that has // a toolbar that it manages itself). - virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags); + virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const; + private: + // contains the last id generated by NewControlId static int ms_lastControlId; @@ -963,6 +1153,14 @@ private: #define sm_classwxWindowGTK sm_classwxWindow #endif // wxUniv #include "wx/gtk/window.h" +#elif defined(__WXX11__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowX11 + #else // !wxUniv + #define wxWindowX11 wxWindow + #define sm_classwxWindowX11 sm_classwxWindow + #endif // wxUniv + #include "wx/x11/window.h" #elif defined(__WXMGL__) #ifdef __WXUNIVERSAL__ #define wxWindowNative wxWindowMGL @@ -979,6 +1177,14 @@ private: #define sm_classwxWindowMac sm_classwxWindow #endif // wxUniv #include "wx/mac/window.h" +#elif defined(__WXCOCOA__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowCocoa + #else // !wxUniv + #define wxWindowCocoa wxWindow + #define sm_classwxWindowCocoa sm_classwxWindow + #endif // wxUniv + #include "wx/cocoa/window.h" #elif defined(__WXPM__) #ifdef __WXUNIVERSAL__ #define wxWindowNative wxWindowOS2 @@ -1023,8 +1229,108 @@ WXDLLEXPORT extern wxPoint wxGetMousePosition(); // get the currently active window of this application or NULL WXDLLEXPORT extern wxWindow *wxGetActiveWindow(); +// get the (first) top level parent window +WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win); + // deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId() inline int NewControlId() { return wxWindowBase::NewControlId(); } +#if wxUSE_ACCESSIBILITY +// ---------------------------------------------------------------------------- +// accessible object for windows +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxWindowAccessible: public wxAccessible +{ +public: + wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); } + virtual ~wxWindowAccessible() {}; + +// Overridables + + // Can return either a child object, or an integer + // representing the child element, starting from 1. + virtual wxAccStatus HitTest(const wxPoint& pt, int* childId, wxAccessible** childObject); + + // Returns the rectangle for this object (id = 0) or a child element (id > 0). + virtual wxAccStatus GetLocation(wxRect& rect, int elementId); + + // Navigates from fromId to toId/toObject. + virtual wxAccStatus Navigate(wxNavDir navDir, int fromId, + int* toId, wxAccessible** toObject); + + // Gets the name of the specified object. + virtual wxAccStatus GetName(int childId, wxString* name); + + // Gets the number of children. + virtual wxAccStatus GetChildCount(int* childCount); + + // Gets the specified child (starting from 1). + // If *child is NULL and return value is wxACC_OK, + // this means that the child is a simple element and + // not an accessible object. + virtual wxAccStatus GetChild(int childId, wxAccessible** child); + + // Gets the parent, or NULL. + virtual wxAccStatus GetParent(wxAccessible** parent); + + // Performs the default action. childId is 0 (the action for this object) + // or > 0 (the action for a child). + // Return wxACC_NOT_SUPPORTED if there is no default action for this + // window (e.g. an edit control). + virtual wxAccStatus DoDefaultAction(int childId); + + // Gets the default action for this object (0) or > 0 (the action for a child). + // Return wxACC_OK even if there is no action. actionName is the action, or the empty + // string if there is no action. + // The retrieved string describes the action that is performed on an object, + // not what the object does as a result. For example, a toolbar button that prints + // a document has a default action of "Press" rather than "Prints the current document." + virtual wxAccStatus GetDefaultAction(int childId, wxString* actionName); + + // Returns the description for this object or a child. + virtual wxAccStatus GetDescription(int childId, wxString* description); + + // Returns help text for this object or a child, similar to tooltip text. + virtual wxAccStatus GetHelpText(int childId, wxString* helpText); + + // Returns the keyboard shortcut for this object or child. + // Return e.g. ALT+K + virtual wxAccStatus GetKeyboardShortcut(int childId, wxString* shortcut); + + // Returns a role constant. + virtual wxAccStatus GetRole(int childId, wxAccRole* role); + + // Returns a state constant. + virtual wxAccStatus GetState(int childId, long* state); + + // Returns a localized string representing the value for the object + // or child. + virtual wxAccStatus GetValue(int childId, wxString* strValue); + + // Selects the object or child. + virtual wxAccStatus Select(int childId, wxAccSelectionFlags selectFlags); + + // Gets the window with the keyboard focus. + // If childId is 0 and child is NULL, no object in + // this subhierarchy has the focus. + // If this object has the focus, child should be 'this'. + virtual wxAccStatus GetFocus(int* childId, wxAccessible** child); + + // Gets a variant representing the selected children + // of this object. + // Acceptable values: + // - a null variant (IsNull() returns TRUE) + // - a list variant (GetType() == wxT("list") + // - an integer representing the selected child element, + // or 0 if this object is selected (GetType() == wxT("long") + // - a "void*" pointer to a wxAccessible child object + virtual wxAccStatus GetSelections(wxVariant* selections); +}; + +#endif // wxUSE_ACCESSIBILITY + + #endif // _WX_WINDOW_H_BASE_ +