wxWidgets/include/wx/gtk1/window.h
2004-07-18 17:11:02 +00:00

299 lines
11 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// 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__