274 lines
10 KiB
C++
274 lines
10 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/gtk1/window.h
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// Purpose:
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// Author: Robert Roebling
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __GTKWINDOWH__
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#define __GTKWINDOWH__
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typedef struct _GtkTooltips GtkTooltips;
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#ifdef HAVE_XIM
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typedef struct _GdkIC GdkIC;
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typedef struct _GdkICAttr GdkICAttr;
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#endif
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//-----------------------------------------------------------------------------
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// callback definition for inserting a window (internal)
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_FWD_CORE wxWindowGTK;
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typedef void (*wxInsertChildFunction)( wxWindowGTK*, wxWindowGTK* );
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//-----------------------------------------------------------------------------
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// wxWindowGTK
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxWindowGTK : public wxWindowBase
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{
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public:
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// creating the window
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// -------------------
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wxWindowGTK();
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wxWindowGTK(wxWindow *parent,
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wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxPanelNameStr);
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bool Create(wxWindow *parent,
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wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxPanelNameStr);
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virtual ~wxWindowGTK();
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// implement base class (pure) virtual methods
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// -------------------------------------------
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virtual void SetLabel(const wxString& WXUNUSED(label)) { }
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virtual wxString GetLabel() const { return wxEmptyString; }
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virtual bool Destroy();
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virtual void Raise();
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virtual void Lower();
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virtual bool Show( bool show = true );
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virtual void DoEnable( bool enable );
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virtual void SetWindowStyleFlag( long style );
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virtual bool IsRetained() const;
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virtual void SetFocus();
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virtual bool AcceptsFocus() const;
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virtual bool Reparent( wxWindowBase *newParent );
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virtual void WarpPointer(int x, int y);
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virtual void Refresh( bool eraseBackground = true,
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const wxRect *rect = (const wxRect *) NULL );
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virtual void Update();
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virtual void ClearBackground();
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virtual bool SetBackgroundColour( const wxColour &colour );
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virtual bool SetForegroundColour( const wxColour &colour );
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virtual bool SetCursor( const wxCursor &cursor );
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virtual bool SetFont( const wxFont &font );
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virtual bool SetBackgroundStyle(wxBackgroundStyle style) ;
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virtual int GetCharHeight() const;
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virtual int GetCharWidth() const;
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virtual void SetScrollbar( int orient, int pos, int thumbVisible,
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int range, bool refresh = true );
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virtual void SetScrollPos( int orient, int pos, bool refresh = true );
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virtual int GetScrollPos( int orient ) const;
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virtual int GetScrollThumb( int orient ) const;
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virtual int GetScrollRange( int orient ) const;
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virtual void ScrollWindow( int dx, int dy,
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const wxRect* rect = NULL );
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#if wxUSE_DRAG_AND_DROP
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virtual void SetDropTarget( wxDropTarget *dropTarget );
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#endif // wxUSE_DRAG_AND_DROP
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virtual bool IsDoubleBuffered() const { return false; }
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GdkWindow* GTKGetDrawingWindow() const;
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// implementation
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// --------------
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virtual WXWidget GetHandle() const { return m_widget; }
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// I don't want users to override what's done in idle so everything that
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// has to be done in idle time in order for wxGTK to work is done in
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// OnInternalIdle
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virtual void OnInternalIdle();
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// Internal representation of Update()
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void GtkUpdate();
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// For compatibility across platforms (not in event table)
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void OnIdle(wxIdleEvent& WXUNUSED(event)) {}
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// Used by all window classes in the widget creation process.
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bool PreCreation( wxWindowGTK *parent, const wxPoint &pos, const wxSize &size );
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void PostCreation();
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// Internal addition of child windows. differs from class
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// to class not by using virtual functions but by using
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// the m_insertCallback.
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void DoAddChild(wxWindowGTK *child);
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// This methods sends wxPaintEvents to the window. It reads the
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// update region, breaks it up into rects and sends an event
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// for each rect. It is also responsible for background erase
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// events and NC paint events. It is called from "draw" and
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// "expose" handlers as well as from ::Update()
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void GtkSendPaintEvents();
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// The methods below are required because many native widgets
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// are composed of several subwidgets and setting a style for
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// the widget means setting it for all subwidgets as well.
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// also, it is not clear which native widget is the top
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// widget where (most of) the input goes. even tooltips have
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// to be applied to all subwidgets.
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virtual GtkWidget* GetConnectWidget();
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virtual bool IsOwnGtkWindow( GdkWindow *window );
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void ConnectWidget( GtkWidget *widget );
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#if wxUSE_TOOLTIPS
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virtual void ApplyToolTip( GtkTooltips *tips, const wxChar *tip );
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#endif // wxUSE_TOOLTIPS
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// Call after modifing the value of m_hAdjust or m_vAdjust to bring the
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// scrolbar in sync (this does not generate any wx events)
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void GtkUpdateScrollbar(int orient);
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// Called from GTK signal handlers. it indicates that
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// the layout functions have to be called later on
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// (i.e. in idle time, implemented in OnInternalIdle() ).
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void GtkUpdateSize() { m_sizeSet = false; }
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// fix up the mouse event coords, used by wxListBox only so far
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virtual void FixUpMouseEvent(GtkWidget * WXUNUSED(widget),
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wxCoord& WXUNUSED(x),
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wxCoord& WXUNUSED(y)) { }
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// is this window transparent for the mouse events (as wxStaticBox is)?
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virtual bool IsTransparentForMouse() const { return false; }
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// is this a radiobutton (used by radiobutton code itself only)?
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virtual bool IsRadioButton() const { return false; }
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// position and size of the window
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int m_x, m_y;
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int m_width, m_height;
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int m_oldClientWidth,m_oldClientHeight;
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// see the docs in src/gtk/window.cpp
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GtkWidget *m_widget; // mostly the widget seen by the rest of GTK
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GtkWidget *m_wxwindow; // mostly the client area as per wxWidgets
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// this widget will be queried for GTK's focus events
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GtkWidget *m_focusWidget;
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#ifdef HAVE_XIM
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// XIM support for wxWidgets
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GdkIC *m_ic;
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GdkICAttr *m_icattr;
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#endif // HAVE_XIM
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// The area to be cleared (and not just refreshed)
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// We cannot make this distinction under GTK 2.0.
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wxRegion m_clearRegion;
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// scrolling stuff
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GtkAdjustment *m_hAdjust,*m_vAdjust;
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float m_oldHorizontalPos;
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float m_oldVerticalPos;
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// extra (wxGTK-specific) flags
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bool m_needParent:1; // ! wxFrame, wxDialog, wxNotebookPage ?
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bool m_noExpose:1; // wxGLCanvas has its own redrawing
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bool m_nativeSizeEvent:1; // wxGLCanvas sends wxSizeEvent upon "alloc_size"
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bool m_hasScrolling:1;
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bool m_hasVMT:1;
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bool m_sizeSet:1;
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bool m_resizing:1;
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bool m_acceptsFocus:1; // true if not static
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bool m_hasFocus:1; // true if == FindFocus()
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bool m_isScrolling:1; // dragging scrollbar thumb?
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bool m_clipPaintRegion:1; // true after ScrollWindow()
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bool m_needsStyleChange:1; // May not be able to change
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// background style until OnIdle
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// C++ has no virtual methods in the constrcutor of any class but we need
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// different methods of inserting a child window into a wxFrame,
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// wxMDIFrame, wxNotebook etc. this is the callback that will get used.
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wxInsertChildFunction m_insertCallback;
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// implement the base class pure virtuals
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virtual void DoGetTextExtent(const wxString& string,
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int *x, int *y,
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int *descent = NULL,
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int *externalLeading = NULL,
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const wxFont *theFont = NULL) const;
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#if wxUSE_MENUS_NATIVE
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virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
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#endif // wxUSE_MENUS_NATIVE
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virtual void DoClientToScreen( int *x, int *y ) const;
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virtual void DoScreenToClient( int *x, int *y ) const;
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virtual void DoGetPosition( int *x, int *y ) const;
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virtual void DoGetSize( int *width, int *height ) const;
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virtual void DoGetClientSize( int *width, int *height ) const;
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virtual void DoSetSize(int x, int y,
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int width, int height,
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int sizeFlags = wxSIZE_AUTO);
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virtual void DoSetClientSize(int width, int height);
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virtual void DoMoveWindow(int x, int y, int width, int height);
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virtual void DoCaptureMouse();
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virtual void DoReleaseMouse();
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#if wxUSE_TOOLTIPS
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virtual void DoSetToolTip( wxToolTip *tip );
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#endif // wxUSE_TOOLTIPS
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protected:
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// common part of all ctors (not virtual because called from ctor)
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void Init();
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// Called by ApplyWidgetStyle (which is called by SetFont() and
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// SetXXXColour etc to apply style changed to native widgets) to create
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// modified GTK style with non-standard attributes. If forceStyle=true,
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// creates empty GtkRcStyle if there are no modifications, otherwise
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// returns NULL in such case.
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GtkRcStyle *CreateWidgetStyle(bool forceStyle = false);
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// Overridden in many GTK widgets who have to handle subwidgets
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virtual void ApplyWidgetStyle(bool forceStyle = false);
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// helper function to ease native widgets wrapping, called by
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// ApplyWidgetStyle -- override this, not ApplyWidgetStyle
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virtual void DoApplyWidgetStyle(GtkRcStyle *style);
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private:
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DECLARE_DYNAMIC_CLASS(wxWindowGTK)
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wxDECLARE_NO_COPY_CLASS(wxWindowGTK);
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};
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extern WXDLLIMPEXP_CORE wxWindow *wxFindFocusedChild(wxWindowGTK *win);
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#endif // __GTKWINDOWH__
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