///////////////////////////////////////////////////////////////////////////// // Name: wx/gtk/window.h // Purpose: // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef __GTKWINDOWH__ #define __GTKWINDOWH__ #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface #endif // helper structure that holds class that holds GtkIMContext object and // some additional data needed for key events processing struct wxGtkIMData; //----------------------------------------------------------------------------- // callback definition for inserting a window (internal) //----------------------------------------------------------------------------- class wxWindowGTK; typedef void (*wxInsertChildFunction)( wxWindowGTK*, wxWindowGTK* ); //----------------------------------------------------------------------------- // wxWindowGTK //----------------------------------------------------------------------------- class wxWindowGTK : public wxWindowBase { public: // creating the window // ------------------- wxWindowGTK(); wxWindowGTK(wxWindow *parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = wxPanelNameStr); bool Create(wxWindow *parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = wxPanelNameStr); virtual ~wxWindowGTK(); // implement base class (pure) virtual methods // ------------------------------------------- virtual bool Destroy(); virtual void Raise(); virtual void Lower(); virtual bool Show( bool show = TRUE ); virtual bool Enable( bool enable = TRUE ); virtual bool IsRetained() const; virtual void SetFocus(); virtual bool AcceptsFocus() const; virtual bool Reparent( wxWindowBase *newParent ); virtual void WarpPointer(int x, int y); virtual void Refresh( bool eraseBackground = TRUE, const wxRect *rect = (const wxRect *) NULL ); virtual void Update(); virtual void ClearBackground(); virtual bool SetBackgroundColour( const wxColour &colour ); virtual bool SetForegroundColour( const wxColour &colour ); virtual bool SetCursor( const wxCursor &cursor ); virtual bool SetFont( const wxFont &font ); virtual int GetCharHeight() const; virtual int GetCharWidth() const; virtual void GetTextExtent(const wxString& string, int *x, int *y, int *descent = (int *) NULL, int *externalLeading = (int *) NULL, const wxFont *theFont = (const wxFont *) NULL) const; #if wxUSE_MENUS_NATIVE virtual bool DoPopupMenu( wxMenu *menu, int x, int y ); #endif // wxUSE_MENUS_NATIVE virtual void SetScrollbar( int orient, int pos, int thumbVisible, int range, bool refresh = TRUE ); virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ); virtual int GetScrollPos( int orient ) const; virtual int GetScrollThumb( int orient ) const; virtual int GetScrollRange( int orient ) const; virtual void ScrollWindow( int dx, int dy, const wxRect* rect = (wxRect *) NULL ); #if wxUSE_DRAG_AND_DROP virtual void SetDropTarget( wxDropTarget *dropTarget ); #endif // wxUSE_DRAG_AND_DROP #ifdef __WXGTK20__ virtual void AddChild( wxWindowBase *child ); virtual void RemoveChild( wxWindowBase *child ); #endif // implementation // -------------- virtual WXWidget GetHandle() const { return m_widget; } // I don't want users to override what's done in idle so everything that // has to be done in idle time in order for wxGTK to work is done in // OnInternalIdle virtual void OnInternalIdle(); // Internal represention of Update() void GtkUpdate(); // For compatibility across platforms (not in event table) void OnIdle(wxIdleEvent& WXUNUSED(event)) {} // wxGTK-specific: called recursively by Enable, // to give widgets an oppprtunity to correct their colours after they // have been changed by Enable virtual void OnParentEnable( bool WXUNUSED(enable) ) {} // Used by all window classes in the widget creation process. bool PreCreation( wxWindowGTK *parent, const wxPoint &pos, const wxSize &size ); void PostCreation(); // Internal addition of child windows. differs from class // to class not by using virtual functions but by using // the m_insertCallback. void DoAddChild(wxWindowGTK *child); // This methods sends wxPaintEvents to the window. It reads the // update region, breaks it up into rects and sends an event // for each rect. It is also responsible for background erase // events and NC paint events. It is called from "draw" and // "expose" handlers as well as from ::Update() void GtkSendPaintEvents(); // The methods below are required because many native widgets // are composed of several subwidgets and setting a style for // the widget means setting it for all subwidgets as well. // also, it is nor clear, which native widget is the top // widget where (most of) the input goes. even tooltips have // to be applied to all subwidgets. virtual GtkWidget* GetConnectWidget(); virtual bool IsOwnGtkWindow( GdkWindow *window ); void ConnectWidget( GtkWidget *widget ); #ifdef __WXGTK20__ // Returns the default context which usually is anti-aliased PangoContext *GtkGetPangoDefaultContext(); // Returns the X11 context which renders on the X11 client // side (which can be remote) and which usually is not // anti-aliased and is thus faster PangoContext *GtkGetPangoX11Context(); PangoContext *m_x11Context; #endif #if wxUSE_TOOLTIPS virtual void ApplyToolTip( GtkTooltips *tips, const wxChar *tip ); #endif // wxUSE_TOOLTIPS // Called from GTK signales handlers. it indicates that // the layouting functions have to be called later on // (i.e. in idle time, implemented in OnInternalIdle() ). void GtkUpdateSize() { m_sizeSet = FALSE; } // fix up the mouse event coords, used by wxListBox only so far virtual void FixUpMouseEvent(GtkWidget * WXUNUSED(widget), wxCoord& WXUNUSED(x), wxCoord& WXUNUSED(y)) { } // is this window transparent for the mouse events (as wxStaticBox is)? virtual bool IsTransparentForMouse() const { return FALSE; } // is this a radiobutton (used by radiobutton code itself only)? virtual bool IsRadioButton() const { return FALSE; } // position and size of the window int m_x, m_y; int m_width, m_height; int m_oldClientWidth,m_oldClientHeight; // see the docs in src/gtk/window.cpp GtkWidget *m_widget; // mostly the widget seen by the rest of GTK GtkWidget *m_wxwindow; // mostly the client area as per wxWidgets // this widget will be queried for GTK's focus events GtkWidget *m_focusWidget; #ifdef __WXGTK20__ wxGtkIMData *m_imData; #else #if HAVE_XIM && !defined(__WXGTK20__) // XIM support for wxWidgets GdkIC *m_ic; GdkICAttr *m_icattr; #endif #endif #ifndef __WXGTK20__ // The area to be cleared (and not just refreshed) // We cannot make this distinction under GTK 2.0. wxRegion m_clearRegion; #endif // scrolling stuff GtkAdjustment *m_hAdjust,*m_vAdjust; float m_oldHorizontalPos; float m_oldVerticalPos; // extra (wxGTK-specific) flags bool m_needParent:1; // ! wxFrame, wxDialog, wxNotebookPage ? bool m_noExpose:1; // wxGLCanvas has its own redrawing bool m_nativeSizeEvent:1; // wxGLCanvas sends wxSizeEvent upon "alloc_size" bool m_hasScrolling:1; bool m_hasVMT:1; bool m_sizeSet:1; bool m_resizing:1; bool m_acceptsFocus:1; // true if not static bool m_hasFocus:1; // true if == FindFocus() bool m_isScrolling:1; // dragging scrollbar thumb? bool m_clipPaintRegion:1; // TRUE after ScrollWindow() #ifdef __WXGTK20__ bool m_dirtyTabOrder:1; // tab order changed, GTK focus // chain needs update #endif // C++ has no virtual methods in the constrcutor of any class but we need // different methods of inserting a child window into a wxFrame, // wxMDIFrame, wxNotebook etc. this is the callback that will get used. wxInsertChildFunction m_insertCallback; // implement the base class pure virtuals virtual void DoClientToScreen( int *x, int *y ) const; virtual void DoScreenToClient( int *x, int *y ) const; virtual void DoGetPosition( int *x, int *y ) const; virtual void DoGetSize( int *width, int *height ) const; virtual void DoGetClientSize( int *width, int *height ) const; virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags = wxSIZE_AUTO); virtual void DoSetClientSize(int width, int height); virtual void DoMoveWindow(int x, int y, int width, int height); virtual void DoCaptureMouse(); virtual void DoReleaseMouse(); #if wxUSE_TOOLTIPS virtual void DoSetToolTip( wxToolTip *tip ); #endif // wxUSE_TOOLTIPS protected: // common part of all ctors (not virtual because called from ctor) void Init(); #ifdef __WXGTK20__ virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move); // Copies m_children tab order to GTK focus chain: void RealizeTabOrder(); #endif // Called by ApplyWidgetStyle (which is called by SetFont() and // SetXXXColour etc to apply style changed to native widgets) to create // modified GTK style with non-standard attributes. If forceStyle=true, // creates empty GtkRcStyle if there are no modifications, otherwise // returns NULL in such case. GtkRcStyle *CreateWidgetStyle(bool forceStyle = false); // Overridden in many GTK widgets who have to handle subwidgets virtual void ApplyWidgetStyle(bool forceStyle = false); // helper function to ease native widgets wrapping, called by // ApplyWidgetStyle -- override this, not ApplyWidgetStyle virtual void DoApplyWidgetStyle(GtkRcStyle *style); private: DECLARE_DYNAMIC_CLASS(wxWindowGTK) DECLARE_NO_COPY_CLASS(wxWindowGTK) }; extern wxWindow *wxFindFocusedChild(wxWindowGTK *win); #endif // __GTKWINDOWH__