// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+#ifndef _WX_GTK_WINDOW_H_
+#define _WX_GTK_WINDOW_H_
-#ifndef __GTKWINDOWH__
-#define __GTKWINDOWH__
+#include "wx/dynarray.h"
-#ifdef __GNUG__
- #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* );
+WX_DEFINE_EXPORTED_ARRAY_PTR(GdkWindow *, wxArrayGdkWindows);
//-----------------------------------------------------------------------------
// wxWindowGTK
//-----------------------------------------------------------------------------
-class wxWindowGTK : public wxWindowBase
+class WXDLLIMPEXP_CORE wxWindowGTK : public wxWindowBase
{
public:
// creating the window
// implement base class (pure) virtual methods
// -------------------------------------------
+
+ virtual void SetLabel(const wxString& WXUNUSED(label)) { }
+ virtual wxString GetLabel() const { return wxEmptyString; }
+
virtual bool Destroy();
virtual void Raise();
virtual void Lower();
- virtual bool Show( bool show = TRUE );
- virtual bool Enable( bool enable = TRUE );
+ virtual bool Show( bool show = true );
+
+ virtual void SetWindowStyleFlag( long style );
virtual bool IsRetained() const;
virtual void SetFocus();
- virtual bool AcceptsFocus() const;
+ virtual void SetCanFocus(bool canFocus);
virtual bool Reparent( wxWindowBase *newParent );
virtual void WarpPointer(int x, int y);
- virtual void CaptureMouse();
- virtual void ReleaseMouse();
- virtual void Refresh( bool eraseBackground = TRUE,
+ virtual void Refresh( bool eraseBackground = true,
const wxRect *rect = (const wxRect *) NULL );
- virtual void Clear();
+ 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 bool SetBackgroundStyle(wxBackgroundStyle style) ;
+
virtual int GetCharHeight() const;
virtual int GetCharWidth() const;
virtual void GetTextExtent(const wxString& string,
const wxFont *theFont = (const wxFont *) NULL)
const;
-#if wxUSE_MENUS
- virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
-#endif // wxUSE_MENUS
-
virtual void SetScrollbar( int orient, int pos, int thumbVisible,
- int range, bool refresh = TRUE );
- virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE );
+ 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 );
+ virtual bool ScrollLines(int lines);
+ virtual bool ScrollPages(int pages);
#if wxUSE_DRAG_AND_DROP
virtual void SetDropTarget( wxDropTarget *dropTarget );
#endif // wxUSE_DRAG_AND_DROP
+ virtual void AddChild( wxWindowBase *child );
+ virtual void RemoveChild( wxWindowBase *child );
+
+ virtual void SetLayoutDirection(wxLayoutDirection dir);
+ virtual wxLayoutDirection GetLayoutDirection() const;
+ virtual wxCoord AdjustForLayoutDirection(wxCoord x,
+ wxCoord width,
+ wxCoord widthTotal) const;
+
+ virtual bool DoIsExposed( int x, int y ) const;
+ virtual bool DoIsExposed( int x, int y, int w, int h ) const;
+
+ // currently wxGTK2-only
+ void SetDoubleBuffered(bool on);
+ virtual bool IsDoubleBuffered() const;
+
// 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 */
+ // many important things are done here, this function must be called
+ // regularly
virtual void OnInternalIdle();
- /* For compatibility across platforms (not in event table) */
- void OnIdle(wxIdleEvent& WXUNUSED(event)) {};
+ // Internal represention of Update()
+ void GtkUpdate();
- // 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) ) {};
+ // For compatibility across platforms (not in event table)
+ void OnIdle(wxIdleEvent& WXUNUSED(event)) {}
- /* used by all window classes in the widget creation process */
+ // 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 */
+ // 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);
- /* 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. */
-
+ // 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 not 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();
+ // Called from several event handlers, if it returns true or false, the
+ // same value should be immediately returned by the handler without doing
+ // anything else. If it returns -1, the handler should continue as usual
+ int GTKCallbackCommonPrologue(struct _GdkEventAny *event) const;
+
+ // override this if some events should never be consumed by wxWidgets but
+ // but have to be left for the native control
+ //
+ // base version just does GetEventHandler()->ProcessEvent()
+ virtual bool GTKProcessEvent(wxEvent& event) const;
+
+ // Map GTK widget direction of the given widget to/from wxLayoutDirection
+ static wxLayoutDirection GTKGetLayout(GtkWidget *widget);
+ static void GTKSetLayout(GtkWidget *widget, wxLayoutDirection dir);
+
+ // return true if this window must have a non-NULL parent, false if it can
+ // be created without parent (normally only top level windows but in wxGTK
+ // there is also the exception of wxMenuBar)
+ virtual bool GTKNeedsParent() const { return !IsTopLevel(); }
+
+protected:
+ // Override GTKWidgetNeedsMnemonic and return true if your
+ // needs to set its mnemonic widget, such as for a
+ // GtkLabel for wxStaticText, then do the actual
+ // setting of the widget inside GTKWidgetDoSetMnemonic
+ virtual bool GTKWidgetNeedsMnemonic() const;
+ virtual void GTKWidgetDoSetMnemonic(GtkWidget* w);
+
+ // Get the GdkWindows making part of this window: usually there will be
+ // only one of them in which case it should be returned directly by this
+ // function. If there is more than one GdkWindow (can be the case for
+ // composite widgets), return NULL and fill in the provided array
+ //
+ // This is not pure virtual for backwards compatibility but almost
+ // certainly must be overridden in any wxControl-derived class!
+ virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const;
+
+ // Check if the given window makes part of this widget
+ bool GTKIsOwnWindow(GdkWindow *window) const;
+
+ // Set the focus to this window if its setting was delayed because the
+ // widget hadn't been realized when SetFocus() was called
+ //
+ // Return true if focus was set to us, false if nothing was done
+ bool GTKSetDelayedFocusIfNeeded();
- /* overridden in many GTK widgets */
- virtual void ApplyWidgetStyle();
+public:
+ // Returns the default context which usually is anti-aliased
+ PangoContext *GtkGetPangoDefaultContext();
#if wxUSE_TOOLTIPS
- virtual void ApplyToolTip( GtkTooltips *tips, const wxChar *tip );
+ // applies tooltip to the widget (tip must be UTF-8 encoded)
+ virtual void ApplyToolTip( GtkTooltips *tips, const gchar *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; }
+ // Called when a window should delay showing itself
+ // until idle time. This partly mimmicks defered
+ // sizing under MSW.
+ void GtkShowOnIdle() { m_showOnIdle = true; }
+
+ // This is called from the various OnInternalIdle methods
+ bool GtkShowFromOnIdle();
+
+ // 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; }
+
+ // Common scroll event handling code for wxWindow and wxScrollBar
+ wxEventType GetScrollEventType(GtkRange* range);
+
+ void BlockScrollEvent();
+ void UnblockScrollEvent();
// 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;
- GtkWidget *m_wxwindow;
+ // 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
+
+ // return true if the window is of a standard (i.e. not wxWidgets') class
+ bool IsOfStandardClass() const { return m_wxwindow == NULL; }
+
+ // 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
+ wxGtkIMData *m_imData;
+
+
+ // indices for the arrays below
+ enum ScrollDir { ScrollDir_Horz, ScrollDir_Vert, ScrollDir_Max };
+
+ // horizontal/vertical scroll bar
+ GtkRange* m_scrollBar[ScrollDir_Max];
+
+ // horizontal/vertical scroll position
+ double m_scrollPos[ScrollDir_Max];
+
+ // return the scroll direction index corresponding to the given orientation
+ // (which is wxVERTICAL or wxHORIZONTAL)
+ static ScrollDir ScrollDirFromOrient(int orient)
+ {
+ return orient == wxVERTICAL ? ScrollDir_Vert : ScrollDir_Horz;
+ }
+
+ // return the orientation for the given scrolling direction
+ static int OrientFromScrollDir(ScrollDir dir)
+ {
+ return dir == ScrollDir_Horz ? wxHORIZONTAL : wxVERTICAL;
+ }
+
+ // find the direction of the given scrollbar (must be one of ours)
+ ScrollDir ScrollDirFromRange(GtkRange *range) const;
- /* 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_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_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;
-
+ bool m_hasFocus:1; // true if == FindFocus()
+ bool m_isScrolling:1; // dragging scrollbar thumb?
+ bool m_clipPaintRegion:1; // true after ScrollWindow()
+ wxRegion m_nativeUpdateRegion; // not transformed for RTL
+ bool m_dirtyTabOrder:1; // tab order changed, GTK focus
+ // chain needs update
+ bool m_needsStyleChange:1; // May not be able to change
+ // background style until OnIdle
+ bool m_mouseButtonDown:1;
+ bool m_blockScrollEvent:1;
+
+ bool m_showOnIdle:1; // postpone showing the window until idle
+
+protected:
// 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;
+ typedef void (*InsertChildFunction)(wxWindowGTK*, wxWindowGTK*);
+ InsertChildFunction m_insertCallback;
// implement the base class pure virtuals
virtual void DoClientToScreen( int *x, int *y ) const;
int sizeFlags = wxSIZE_AUTO);
virtual void DoSetClientSize(int width, int height);
virtual void DoMoveWindow(int x, int y, int width, int height);
+ virtual void DoEnable(bool enable);
+
+#if wxUSE_MENUS_NATIVE
+ virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
+#endif // wxUSE_MENUS_NATIVE
+
+ 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)
+ // common part of all ctors (not virtual because called from ctor)
void Init();
+ virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move);
+ virtual bool DoNavigateIn(int flags);
+
+
+ // Copies m_children tab order to GTK focus chain:
+ void RealizeTabOrder();
+
+ // 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);
+
+ // sets the border of a given GtkScrolledWindow from a wx style
+ static void GtkScrolledWindowSetBorder(GtkWidget* w, int style);
+
+ // set the current cursor for all GdkWindows making part of this widget
+ // (see GTKGetWindow)
+ //
+ // should be called from OnInternalIdle() if it's overridden
+ void GTKUpdateCursor();
+
+ void ConstrainSize();
+
private:
+ enum ScrollUnit { ScrollUnit_Line, ScrollUnit_Page, ScrollUnit_Max };
+
+ // common part of ScrollLines() and ScrollPages() and could be used, in the
+ // future, for horizontal scrolling as well
+ //
+ // return true if we scrolled, false otherwise (on error or simply if we
+ // are already at the end)
+ bool DoScrollByUnits(ScrollDir dir, ScrollUnit unit, int units);
+
+
DECLARE_DYNAMIC_CLASS(wxWindowGTK)
- DECLARE_NO_COPY_CLASS(wxWindowGTK);
+ DECLARE_NO_COPY_CLASS(wxWindowGTK)
};
-extern wxWindow *wxFindFocusedChild(wxWindowGTK *win);
+extern WXDLLIMPEXP_CORE wxWindow *wxFindFocusedChild(wxWindowGTK *win);
-#endif // __GTKWINDOWH__
+#endif // _WX_GTK_WINDOW_H_
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