wxWidgets/include/wx/gtk/window.h

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/gtk/window.h
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __GTKWINDOWH__
#define __GTKWINDOWH__
#ifdef __GNUG__
#pragma interface
#endif
//-----------------------------------------------------------------------------
// 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 Clear();
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
// 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();
// 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 );
// Creates a new widget style if none is there
// and sets m_widgetStyle to this value.
GtkStyle *GetWidgetStyle();
// Called by SetFont() and SetXXXColour etc
void SetWidgetStyle();
// Overridden in many GTK widgets who have to handle subwidgets
virtual void ApplyWidgetStyle();
#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; }
// 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 wxWindows
// this widget will be queried for GTK's focus events
GtkWidget *m_focusWidget;
#if HAVE_XIM
// XIM support for wxWindows
GdkIC *m_ic;
GdkICAttr *m_icattr;
#endif
// The area to be cleared (and not just refreshed)
wxRegion m_clearRegion;
// 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_isStaticBox:1; // faster than IS_KIND_OF
bool m_isRadioButton:1; // faster than IS_KIND_OF
bool m_isListBox:1; // faster than IS_KIND_OF
bool m_isFrame:1; // faster than IS_KIND_OF
bool m_acceptsFocus:1; // not wxStaticBox, not wxStaticBitmap etc.
bool m_isScrolling;
bool m_clipPaintRegion; // TRUE after ScrollWindow()
bool m_queuedFullRedraw; // TRUE after DoMoveWindow
// These are true if the style were set before the widget was realized
// (typcally in the constructor) but the actual GTK style must not be set
// before the widget has been "realized"
bool m_delayedForegroundColour:1;
bool m_delayedBackgroundColour:1;
// Contains GTK's widgets internal information about non-default widget
// font and colours. we create one for each widget that gets any
// non-default attribute set via SetFont() or SetForegroundColour() /
// SetBackgroundColour().
GtkStyle *m_widgetStyle;
// 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
// common part of all ctors (can't be virtual because called from ctor)
void Init();
private:
DECLARE_DYNAMIC_CLASS(wxWindowGTK)
DECLARE_NO_COPY_CLASS(wxWindowGTK)
};
extern wxWindow *wxFindFocusedChild(wxWindowGTK *win);
#endif // __GTKWINDOWH__