src/gtk/renderer.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        src/gtk/renderer.cpp
// Purpose:     implementation of wxRendererNative for wxGTK
// Author:      Vadim Zeitlin
// Modified by:
// Created:     20.07.2003
// RCS-ID:      $Id$
// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
// License:     wxWindows licence
///////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#include "wx/renderer.h"

#ifndef WX_PRECOMP
    #include "wx/window.h"
    #include "wx/dcclient.h"
    #include "wx/settings.h"
#endif

#include <gtk/gtk.h>
#include "wx/gtk/win_gtk.h"

// ----------------------------------------------------------------------------
// wxRendererGTK: our wxRendererNative implementation
// ----------------------------------------------------------------------------

class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererNative
{
public:
    // draw the header control button (used by wxListCtrl)
    virtual int  DrawHeaderButton(wxWindow *win,
                                  wxDC& dc,
                                  const wxRect& rect,
                                  int flags = 0,
                                  wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
                                  wxHeaderButtonParams* params = NULL);

    // draw the expanded/collapsed icon for a tree control item
    virtual void DrawTreeItemButton(wxWindow *win,
                                    wxDC& dc,
                                    const wxRect& rect,
                                    int flags = 0);

    virtual void DrawSplitterBorder(wxWindow *win,
                                    wxDC& dc,
                                    const wxRect& rect,
                                    int flags = 0);
    virtual void DrawSplitterSash(wxWindow *win,
                                  wxDC& dc,
                                  const wxSize& size,
                                  wxCoord position,
                                  wxOrientation orient,
                                  int flags = 0);

    virtual void DrawComboBoxDropButton(wxWindow *win,
                                        wxDC& dc,
                                        const wxRect& rect,
                                        int flags = 0);

    virtual void DrawDropArrow(wxWindow *win,
                               wxDC& dc,
                               const wxRect& rect,
                               int flags = 0);

    virtual void DrawCheckBox(wxWindow *win,
                              wxDC& dc,
                              const wxRect& rect,
                              int flags = 0);

    virtual void DrawPushButton(wxWindow *win,
                                wxDC& dc,
                                const wxRect& rect,
                                int flags = 0);

    virtual void DrawItemSelectionRect(wxWindow *win,
                                       wxDC& dc,
                                       const wxRect& rect,
                                       int flags = 0);

    virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);

private:
    // FIXME: shouldn't we destroy these windows somewhere?

    // used by DrawPushButton and DrawDropArrow
    static GtkWidget *GetButtonWidget();

    // used by DrawTreeItemButton()
    static GtkWidget *GetTreeWidget();

    // used by DrawCheckBox()
    static GtkWidget *GetCheckButtonWidget();

    // Used by DrawHeaderButton
    static GtkWidget *GetHeaderButtonWidget();
};

// ============================================================================
// implementation
// ============================================================================

/* static */
wxRendererNative& wxRendererNative::GetDefault()
{
    static wxRendererGTK s_rendererGTK;

    return s_rendererGTK;
}

// ----------------------------------------------------------------------------
// helper functions
// ----------------------------------------------------------------------------

GtkWidget *
wxRendererGTK::GetButtonWidget()
{
    static GtkWidget *s_button = NULL;
    static GtkWidget *s_window = NULL;

    if ( !s_button )
    {
        s_window = gtk_window_new( GTK_WINDOW_POPUP );
        gtk_widget_realize( s_window );
        s_button = gtk_button_new();
        gtk_container_add( GTK_CONTAINER(s_window), s_button );
        gtk_widget_realize( s_button );
    }

    return s_button;
}

GtkWidget *
wxRendererGTK::GetCheckButtonWidget()
{
    static GtkWidget *s_button = NULL;
    static GtkWidget *s_window = NULL;

    if ( !s_button )
    {
        s_window = gtk_window_new( GTK_WINDOW_POPUP );
        gtk_widget_realize( s_window );
        s_button = gtk_check_button_new();
        gtk_container_add( GTK_CONTAINER(s_window), s_button );
        gtk_widget_realize( s_button );
    }

    return s_button;
}

GtkWidget *
wxRendererGTK::GetTreeWidget()
{
    static GtkWidget *s_tree = NULL;
    static GtkWidget *s_window = NULL;

    if ( !s_tree )
    {
        s_tree = gtk_tree_view_new();
        s_window = gtk_window_new( GTK_WINDOW_POPUP );
        gtk_widget_realize( s_window );
        gtk_container_add( GTK_CONTAINER(s_window), s_tree );
        gtk_widget_realize( s_tree );
    }

    return s_tree;
}


// This one just gets the button used by the column header.  Although it's
// still a gtk_button the themes will typically differentiate and draw them
// differently if the button is in a treeview.
GtkWidget *
wxRendererGTK::GetHeaderButtonWidget()
{
    static GtkWidget *s_button = NULL;

    if ( !s_button )
    {
        // Get the dummy tree widget, give it a column, and then use the
        // widget in the column header for the rendering code.
        GtkWidget* treewidget = GetTreeWidget();
        GtkTreeViewColumn*  column = gtk_tree_view_column_new();
        gtk_tree_view_append_column(GTK_TREE_VIEW(treewidget), column);
        s_button = column->button;
    }

    return s_button;
}

// ----------------------------------------------------------------------------
// list/tree controls drawing
// ----------------------------------------------------------------------------

int
wxRendererGTK::DrawHeaderButton(wxWindow *win,
                                wxDC& dc,
                                const wxRect& rect,
                                int flags,
                                wxHeaderSortIconType sortArrow,
                                wxHeaderButtonParams* params)
{

    GtkWidget *button = GetHeaderButtonWidget();

    GdkWindow* gdk_window = dc.GetGDKWindow();
    wxASSERT_MSG( gdk_window,
                  wxT("cannot use wxRendererNative on wxDC of this type") );

    int x_diff = 0;
    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
        x_diff = rect.width;

    gtk_paint_box
    (
        button->style,
        gdk_window,
        flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL,
        GTK_SHADOW_OUT,
        NULL,
        button,
        "button",
        dc.LogicalToDeviceX(rect.x) - x_diff, rect.y, rect.width, rect.height
    );

    return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
}

// draw a ">" or "v" button
void
wxRendererGTK::DrawTreeItemButton(wxWindow* win,
                                  wxDC& dc, const wxRect& rect, int flags)
{
    GtkWidget *tree = GetTreeWidget();

    GdkWindow* gdk_window = dc.GetGDKWindow();
    wxASSERT_MSG( gdk_window,
                  wxT("cannot use wxRendererNative on wxDC of this type") );

    GtkStateType state;
    if ( flags & wxCONTROL_CURRENT )
        state = GTK_STATE_PRELIGHT;
    else
        state = GTK_STATE_NORMAL;

    int x_diff = 0;
    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
        x_diff = rect.width;

    // VZ: I don't know how to get the size of the expander so as to centre it
    //     in the given rectangle, +2/3 below is just what looks good here...
    gtk_paint_expander
    (
        tree->style,
        gdk_window,
        state,
        NULL,
        tree,
        "treeview",
        dc.LogicalToDeviceX(rect.x) + 6 - x_diff,
        dc.LogicalToDeviceY(rect.y) + 3,
        flags & wxCONTROL_EXPANDED ? GTK_EXPANDER_EXPANDED
                                   : GTK_EXPANDER_COLLAPSED
    );
}


// ----------------------------------------------------------------------------
// splitter sash drawing
// ----------------------------------------------------------------------------

static int GetGtkSplitterFullSize()
{
    static GtkWidget *s_paned = NULL;
    if (s_paned == NULL)
        s_paned = gtk_vpaned_new();

    gint handle_size;
    gtk_widget_style_get (s_paned, "handle_size", &handle_size, NULL);

    return handle_size;
}

wxSplitterRenderParams
wxRendererGTK::GetSplitterParams(const wxWindow *WXUNUSED(win))
{
    // we don't draw any border, hence 0 for the second field
    return wxSplitterRenderParams
           (
               GetGtkSplitterFullSize(),
               0,
               true     // hot sensitive
           );
}

void
wxRendererGTK::DrawSplitterBorder(wxWindow * WXUNUSED(win),
                                  wxDC& WXUNUSED(dc),
                                  const wxRect& WXUNUSED(rect),
                                  int WXUNUSED(flags))
{
    // nothing to do
}

void
wxRendererGTK::DrawSplitterSash(wxWindow *win,
                                wxDC& dc,
                                const wxSize& size,
                                wxCoord position,
                                wxOrientation orient,
                                int flags)
{
    if ( !win->m_wxwindow->window )
    {
        // window not realized yet
        return;
    }

    GdkWindow* gdk_window = dc.GetGDKWindow();
    wxASSERT_MSG( gdk_window,
                  wxT("cannot use wxRendererNative on wxDC of this type") );

    wxCoord full_size = GetGtkSplitterFullSize();

    // are we drawing vertical or horizontal splitter?
    const bool isVert = orient == wxVERTICAL;

    GdkRectangle rect;

    if ( isVert )
    {
        int h = win->GetClientSize().GetHeight();

        rect.x = position;
        rect.y = 0;
        rect.width = full_size;
        rect.height = h;
    }
    else // horz
    {
        int w = win->GetClientSize().GetWidth();

        rect.x = 0;
        rect.y = position;
        rect.height = full_size;
        rect.width = w;
    }

    int x_diff = 0;
    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
        x_diff = rect.width;

    gtk_paint_handle
    (
        win->m_wxwindow->style,
        gdk_window,
        flags & wxCONTROL_CURRENT ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL,
        GTK_SHADOW_NONE,
        NULL /* no clipping */,
        win->m_wxwindow,
        "paned",
        dc.LogicalToDeviceX(rect.x) - x_diff,
        dc.LogicalToDeviceY(rect.y),
        rect.width,
        rect.height,
        isVert ? GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL
    );
}

void
wxRendererGTK::DrawDropArrow(wxWindow *WXUNUSED(win),
                             wxDC& dc,
                             const wxRect& rect,
                             int flags)
{
    GtkWidget *button = GetButtonWidget();

    // If we give GTK_PIZZA(win->m_wxwindow)->bin_window as
    // a window for gtk_paint_xxx function, then it won't
    // work for wxMemoryDC. So that is why we assume wxDC
    // is wxWindowDC (wxClientDC, wxMemoryDC and wxPaintDC
    // are derived from it) and use its m_window.
    GdkWindow* gdk_window = dc.GetGDKWindow();
    wxASSERT_MSG( gdk_window,
                  wxT("cannot use wxRendererNative on wxDC of this type") );

    // draw arrow so that there is even space horizontally
    // on both sides
    int arrowX = rect.width/4 + 1;
    int arrowWidth = rect.width - (arrowX*2);

    // scale arrow's height accoording to the width
    int arrowHeight = rect.width/3;
    int arrowY = (rect.height-arrowHeight)/2 +
                 ((rect.height-arrowHeight) & 1);

    GtkStateType state;

    if ( flags & wxCONTROL_PRESSED )
        state = GTK_STATE_ACTIVE;
    else if ( flags & wxCONTROL_DISABLED )
        state = GTK_STATE_INSENSITIVE;
    else if ( flags & wxCONTROL_CURRENT )
        state = GTK_STATE_PRELIGHT;
    else
        state = GTK_STATE_NORMAL;

    // draw arrow on button
    gtk_paint_arrow
    (
        button->style,
        gdk_window,
        state,
        flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
        NULL,
        button,
        "arrow",
        GTK_ARROW_DOWN,
        FALSE,
        rect.x + arrowX,
        rect.y + arrowY,
        arrowWidth,
        arrowHeight
    );
}

void
wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
                                      wxDC& dc,
                                      const wxRect& rect,
                                      int flags)
{
    DrawPushButton(win,dc,rect,flags);
    DrawDropArrow(win,dc,rect);
}

void
wxRendererGTK::DrawCheckBox(wxWindow *WXUNUSED(win),
                            wxDC& dc,
                            const wxRect& rect,
                            int flags )
{
    GtkWidget *button = GetCheckButtonWidget();

    // for reason why we do this, see DrawDropArrow
    GdkWindow* gdk_window = dc.GetGDKWindow();
    wxASSERT_MSG( gdk_window,
                  wxT("cannot use wxRendererNative on wxDC of this type") );

    GtkStateType state;

    if ( flags & wxCONTROL_PRESSED )
        state = GTK_STATE_ACTIVE;
    else if ( flags & wxCONTROL_DISABLED )
        state = GTK_STATE_INSENSITIVE;
    else if ( flags & wxCONTROL_CURRENT )
        state = GTK_STATE_PRELIGHT;
    else
        state = GTK_STATE_NORMAL;

    gtk_paint_check
    (
        button->style,
        gdk_window,
        state,
        flags & wxCONTROL_CHECKED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
        NULL,
        button,
        "cellcheck",
        dc.LogicalToDeviceX(rect.x)+2,
        dc.LogicalToDeviceY(rect.y)+3,
        13, 13
    );
}

void
wxRendererGTK::DrawPushButton(wxWindow *WXUNUSED(win),
                              wxDC& dc,
                              const wxRect& rect,
                              int flags)
{
    GtkWidget *button = GetButtonWidget();

    // for reason why we do this, see DrawDropArrow
    GdkWindow* gdk_window = dc.GetGDKWindow();
    wxASSERT_MSG( gdk_window,
                  wxT("cannot use wxRendererNative on wxDC of this type") );

    // draw button
    GtkStateType state;

    if ( flags & wxCONTROL_PRESSED )
        state = GTK_STATE_ACTIVE;
    else if ( flags & wxCONTROL_DISABLED )
        state = GTK_STATE_INSENSITIVE;
    else if ( flags & wxCONTROL_CURRENT )
        state = GTK_STATE_PRELIGHT;
    else
        state = GTK_STATE_NORMAL;

    gtk_paint_box
    (
        button->style,
        gdk_window,
        state,
        flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
        NULL,
        button,
        "button",
        rect.x, rect.y, rect.width, rect.height
    );
}

void
wxRendererGTK::DrawItemSelectionRect(wxWindow *win,
                                     wxDC& dc,
                                     const wxRect& rect,
                                     int flags )
{
    GdkWindow* gdk_window = dc.GetGDKWindow();
    wxASSERT_MSG( gdk_window,
                  wxT("cannot use wxRendererNative on wxDC of this type") );

    int x_diff = 0;
    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
        x_diff = rect.width;

    GtkStateType state;
    if (flags & wxCONTROL_SELECTED)
    {
        // the wxCONTROL_FOCUSED state is deduced
        // directly from the m_wxwindow by GTK+
        state = GTK_STATE_SELECTED;

        gtk_paint_flat_box( win->m_widget->style,
                        gdk_window,
                        state,
                        GTK_SHADOW_NONE,
                        NULL,
                        win->m_wxwindow,
                        "cell_even",
                        dc.LogicalToDeviceX(rect.x) - x_diff,
                        dc.LogicalToDeviceY(rect.y),
                        rect.width,
                        rect.height );
    }
    else // !wxCONTROL_SELECTED
    {
        state = GTK_STATE_NORMAL;
    }

    if (flags & wxCONTROL_CURRENT)
    {
        gtk_paint_focus( win->m_widget->style,
                         gdk_window,
                         state,
                         NULL,
                         win->m_wxwindow,
                         "treeview",
                         dc.LogicalToDeviceX(rect.x),
                         dc.LogicalToDeviceY(rect.y),
                         rect.width,
                         rect.height );
    }
}
Commit	Line	Data
	1	///////////////////////////////////////////////////////////////////////////////
	2	// Name: src/gtk/renderer.cpp
	3	// Purpose: implementation of wxRendererNative for wxGTK
	4	// Author: Vadim Zeitlin
	5	// Modified by:
	6	// Created: 20.07.2003
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
	9	// License: wxWindows licence
	10	///////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19
	20	// for compilers that support precompilation, includes "wx.h".
	21	#include "wx/wxprec.h"
	22
	23	#ifdef __BORLANDC__
	24	#pragma hdrstop
	25	#endif
	26
	27	#include "wx/renderer.h"
	28
	29	#ifndef WX_PRECOMP
	30	#include "wx/window.h"
	31	#include "wx/dcclient.h"
	32	#include "wx/settings.h"
	33	#endif
	34
	35	#include <gtk/gtk.h>
	36	#include "wx/gtk/win_gtk.h"
	37
	38	// ----------------------------------------------------------------------------
	39	// wxRendererGTK: our wxRendererNative implementation
	40	// ----------------------------------------------------------------------------
	41
	42	class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererNative
	43	{
	44	public:
	45	// draw the header control button (used by wxListCtrl)
	46	virtual int DrawHeaderButton(wxWindow *win,
	47	wxDC& dc,
	48	const wxRect& rect,
	49	int flags = 0,
	50	wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
	51	wxHeaderButtonParams* params = NULL);
	52
	53	// draw the expanded/collapsed icon for a tree control item
	54	virtual void DrawTreeItemButton(wxWindow *win,
	55	wxDC& dc,
	56	const wxRect& rect,
	57	int flags = 0);
	58
	59	virtual void DrawSplitterBorder(wxWindow *win,
	60	wxDC& dc,
	61	const wxRect& rect,
	62	int flags = 0);
	63	virtual void DrawSplitterSash(wxWindow *win,
	64	wxDC& dc,
	65	const wxSize& size,
	66	wxCoord position,
	67	wxOrientation orient,
	68	int flags = 0);
	69
	70	virtual void DrawComboBoxDropButton(wxWindow *win,
	71	wxDC& dc,
	72	const wxRect& rect,
	73	int flags = 0);
	74
	75	virtual void DrawDropArrow(wxWindow *win,
	76	wxDC& dc,
	77	const wxRect& rect,
	78	int flags = 0);
	79
	80	virtual void DrawCheckBox(wxWindow *win,
	81	wxDC& dc,
	82	const wxRect& rect,
	83	int flags = 0);
	84
	85	virtual void DrawPushButton(wxWindow *win,
	86	wxDC& dc,
	87	const wxRect& rect,
	88	int flags = 0);
	89
	90	virtual void DrawItemSelectionRect(wxWindow *win,
	91	wxDC& dc,
	92	const wxRect& rect,
	93	int flags = 0);
	94
	95	virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
	96
	97	private:
	98	// FIXME: shouldn't we destroy these windows somewhere?
	99
	100	// used by DrawPushButton and DrawDropArrow
	101	static GtkWidget *GetButtonWidget();
	102
	103	// used by DrawTreeItemButton()
	104	static GtkWidget *GetTreeWidget();
	105
	106	// used by DrawCheckBox()
	107	static GtkWidget *GetCheckButtonWidget();
	108
	109	// Used by DrawHeaderButton
	110	static GtkWidget *GetHeaderButtonWidget();
	111	};
	112
	113	// ============================================================================
	114	// implementation
	115	// ============================================================================
	116
	117	/* static */
	118	wxRendererNative& wxRendererNative::GetDefault()
	119	{
	120	static wxRendererGTK s_rendererGTK;
	121
	122	return s_rendererGTK;
	123	}
	124
	125	// ----------------------------------------------------------------------------
	126	// helper functions
	127	// ----------------------------------------------------------------------------
	128
	129	GtkWidget *
	130	wxRendererGTK::GetButtonWidget()
	131	{
	132	static GtkWidget *s_button = NULL;
	133	static GtkWidget *s_window = NULL;
	134
	135	if ( !s_button )
	136	{
	137	s_window = gtk_window_new( GTK_WINDOW_POPUP );
	138	gtk_widget_realize( s_window );
	139	s_button = gtk_button_new();
	140	gtk_container_add( GTK_CONTAINER(s_window), s_button );
	141	gtk_widget_realize( s_button );
	142	}
	143
	144	return s_button;
	145	}
	146
	147	GtkWidget *
	148	wxRendererGTK::GetCheckButtonWidget()
	149	{
	150	static GtkWidget *s_button = NULL;
	151	static GtkWidget *s_window = NULL;
	152
	153	if ( !s_button )
	154	{
	155	s_window = gtk_window_new( GTK_WINDOW_POPUP );
	156	gtk_widget_realize( s_window );
	157	s_button = gtk_check_button_new();
	158	gtk_container_add( GTK_CONTAINER(s_window), s_button );
	159	gtk_widget_realize( s_button );
	160	}
	161
	162	return s_button;
	163	}
	164
	165	GtkWidget *
	166	wxRendererGTK::GetTreeWidget()
	167	{
	168	static GtkWidget *s_tree = NULL;
	169	static GtkWidget *s_window = NULL;
	170
	171	if ( !s_tree )
	172	{
	173	s_tree = gtk_tree_view_new();
	174	s_window = gtk_window_new( GTK_WINDOW_POPUP );
	175	gtk_widget_realize( s_window );
	176	gtk_container_add( GTK_CONTAINER(s_window), s_tree );
	177	gtk_widget_realize( s_tree );
	178	}
	179
	180	return s_tree;
	181	}
	182
	183
	184	// This one just gets the button used by the column header. Although it's
	185	// still a gtk_button the themes will typically differentiate and draw them
	186	// differently if the button is in a treeview.
	187	GtkWidget *
	188	wxRendererGTK::GetHeaderButtonWidget()
	189	{
	190	static GtkWidget *s_button = NULL;
	191
	192	if ( !s_button )
	193	{
	194	// Get the dummy tree widget, give it a column, and then use the
	195	// widget in the column header for the rendering code.
	196	GtkWidget* treewidget = GetTreeWidget();
	197	GtkTreeViewColumn* column = gtk_tree_view_column_new();
	198	gtk_tree_view_append_column(GTK_TREE_VIEW(treewidget), column);
	199	s_button = column->button;
	200	}
	201
	202	return s_button;
	203	}
	204
	205	// ----------------------------------------------------------------------------
	206	// list/tree controls drawing
	207	// ----------------------------------------------------------------------------
	208
	209	int
	210	wxRendererGTK::DrawHeaderButton(wxWindow *win,
	211	wxDC& dc,
	212	const wxRect& rect,
	213	int flags,
	214	wxHeaderSortIconType sortArrow,
	215	wxHeaderButtonParams* params)
	216	{
	217
	218	GtkWidget *button = GetHeaderButtonWidget();
	219
	220	GdkWindow* gdk_window = dc.GetGDKWindow();
	221	wxASSERT_MSG( gdk_window,
	222	wxT("cannot use wxRendererNative on wxDC of this type") );
	223
	224	int x_diff = 0;
	225	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	226	x_diff = rect.width;
	227
	228	gtk_paint_box
	229	(
	230	button->style,
	231	gdk_window,
	232	flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL,
	233	GTK_SHADOW_OUT,
	234	NULL,
	235	button,
	236	"button",
	237	dc.LogicalToDeviceX(rect.x) - x_diff, rect.y, rect.width, rect.height
	238	);
	239
	240	return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
	241	}
	242
	243	// draw a ">" or "v" button
	244	void
	245	wxRendererGTK::DrawTreeItemButton(wxWindow* win,
	246	wxDC& dc, const wxRect& rect, int flags)
	247	{
	248	GtkWidget *tree = GetTreeWidget();
	249
	250	GdkWindow* gdk_window = dc.GetGDKWindow();
	251	wxASSERT_MSG( gdk_window,
	252	wxT("cannot use wxRendererNative on wxDC of this type") );
	253
	254	GtkStateType state;
	255	if ( flags & wxCONTROL_CURRENT )
	256	state = GTK_STATE_PRELIGHT;
	257	else
	258	state = GTK_STATE_NORMAL;
	259
	260	int x_diff = 0;
	261	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	262	x_diff = rect.width;
	263
	264	// VZ: I don't know how to get the size of the expander so as to centre it
	265	// in the given rectangle, +2/3 below is just what looks good here...
	266	gtk_paint_expander
	267	(
	268	tree->style,
	269	gdk_window,
	270	state,
	271	NULL,
	272	tree,
	273	"treeview",
	274	dc.LogicalToDeviceX(rect.x) + 6 - x_diff,
	275	dc.LogicalToDeviceY(rect.y) + 3,
	276	flags & wxCONTROL_EXPANDED ? GTK_EXPANDER_EXPANDED
	277	: GTK_EXPANDER_COLLAPSED
	278	);
	279	}
	280
	281
	282	// ----------------------------------------------------------------------------
	283	// splitter sash drawing
	284	// ----------------------------------------------------------------------------
	285
	286	static int GetGtkSplitterFullSize()
	287	{
	288	static GtkWidget *s_paned = NULL;
	289	if (s_paned == NULL)
	290	s_paned = gtk_vpaned_new();
	291
	292	gint handle_size;
	293	gtk_widget_style_get (s_paned, "handle_size", &handle_size, NULL);
	294
	295	return handle_size;
	296	}
	297
	298	wxSplitterRenderParams
	299	wxRendererGTK::GetSplitterParams(const wxWindow *WXUNUSED(win))
	300	{
	301	// we don't draw any border, hence 0 for the second field
	302	return wxSplitterRenderParams
	303	(
	304	GetGtkSplitterFullSize(),
	305	0,
	306	true // hot sensitive
	307	);
	308	}
	309
	310	void
	311	wxRendererGTK::DrawSplitterBorder(wxWindow * WXUNUSED(win),
	312	wxDC& WXUNUSED(dc),
	313	const wxRect& WXUNUSED(rect),
	314	int WXUNUSED(flags))
	315	{
	316	// nothing to do
	317	}
	318
	319	void
	320	wxRendererGTK::DrawSplitterSash(wxWindow *win,
	321	wxDC& dc,
	322	const wxSize& size,
	323	wxCoord position,
	324	wxOrientation orient,
	325	int flags)
	326	{
	327	if ( !win->m_wxwindow->window )
	328	{
	329	// window not realized yet
	330	return;
	331	}
	332
	333	GdkWindow* gdk_window = dc.GetGDKWindow();
	334	wxASSERT_MSG( gdk_window,
	335	wxT("cannot use wxRendererNative on wxDC of this type") );
	336
	337	wxCoord full_size = GetGtkSplitterFullSize();
	338
	339	// are we drawing vertical or horizontal splitter?
	340	const bool isVert = orient == wxVERTICAL;
	341
	342	GdkRectangle rect;
	343
	344	if ( isVert )
	345	{
	346	int h = win->GetClientSize().GetHeight();
	347
	348	rect.x = position;
	349	rect.y = 0;
	350	rect.width = full_size;
	351	rect.height = h;
	352	}
	353	else // horz
	354	{
	355	int w = win->GetClientSize().GetWidth();
	356
	357	rect.x = 0;
	358	rect.y = position;
	359	rect.height = full_size;
	360	rect.width = w;
	361	}
	362
	363	int x_diff = 0;
	364	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	365	x_diff = rect.width;
	366
	367	gtk_paint_handle
	368	(
	369	win->m_wxwindow->style,
	370	gdk_window,
	371	flags & wxCONTROL_CURRENT ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL,
	372	GTK_SHADOW_NONE,
	373	NULL /* no clipping */,
	374	win->m_wxwindow,
	375	"paned",
	376	dc.LogicalToDeviceX(rect.x) - x_diff,
	377	dc.LogicalToDeviceY(rect.y),
	378	rect.width,
	379	rect.height,
	380	isVert ? GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL
	381	);
	382	}
	383
	384	void
	385	wxRendererGTK::DrawDropArrow(wxWindow *WXUNUSED(win),
	386	wxDC& dc,
	387	const wxRect& rect,
	388	int flags)
	389	{
	390	GtkWidget *button = GetButtonWidget();
	391
	392	// If we give GTK_PIZZA(win->m_wxwindow)->bin_window as
	393	// a window for gtk_paint_xxx function, then it won't
	394	// work for wxMemoryDC. So that is why we assume wxDC
	395	// is wxWindowDC (wxClientDC, wxMemoryDC and wxPaintDC
	396	// are derived from it) and use its m_window.
	397	GdkWindow* gdk_window = dc.GetGDKWindow();
	398	wxASSERT_MSG( gdk_window,
	399	wxT("cannot use wxRendererNative on wxDC of this type") );
	400
	401	// draw arrow so that there is even space horizontally
	402	// on both sides
	403	int arrowX = rect.width/4 + 1;
	404	int arrowWidth = rect.width - (arrowX*2);
	405
	406	// scale arrow's height accoording to the width
	407	int arrowHeight = rect.width/3;
	408	int arrowY = (rect.height-arrowHeight)/2 +
	409	((rect.height-arrowHeight) & 1);
	410
	411	GtkStateType state;
	412
	413	if ( flags & wxCONTROL_PRESSED )
	414	state = GTK_STATE_ACTIVE;
	415	else if ( flags & wxCONTROL_DISABLED )
	416	state = GTK_STATE_INSENSITIVE;
	417	else if ( flags & wxCONTROL_CURRENT )
	418	state = GTK_STATE_PRELIGHT;
	419	else
	420	state = GTK_STATE_NORMAL;
	421
	422	// draw arrow on button
	423	gtk_paint_arrow
	424	(
	425	button->style,
	426	gdk_window,
	427	state,
	428	flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
	429	NULL,
	430	button,
	431	"arrow",
	432	GTK_ARROW_DOWN,
	433	FALSE,
	434	rect.x + arrowX,
	435	rect.y + arrowY,
	436	arrowWidth,
	437	arrowHeight
	438	);
	439	}
	440
	441	void
	442	wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
	443	wxDC& dc,
	444	const wxRect& rect,
	445	int flags)
	446	{
	447	DrawPushButton(win,dc,rect,flags);
	448	DrawDropArrow(win,dc,rect);
	449	}
	450
	451	void
	452	wxRendererGTK::DrawCheckBox(wxWindow *WXUNUSED(win),
	453	wxDC& dc,
	454	const wxRect& rect,
	455	int flags )
	456	{
	457	GtkWidget *button = GetCheckButtonWidget();
	458
	459	// for reason why we do this, see DrawDropArrow
	460	GdkWindow* gdk_window = dc.GetGDKWindow();
	461	wxASSERT_MSG( gdk_window,
	462	wxT("cannot use wxRendererNative on wxDC of this type") );
	463
	464	GtkStateType state;
	465
	466	if ( flags & wxCONTROL_PRESSED )
	467	state = GTK_STATE_ACTIVE;
	468	else if ( flags & wxCONTROL_DISABLED )
	469	state = GTK_STATE_INSENSITIVE;
	470	else if ( flags & wxCONTROL_CURRENT )
	471	state = GTK_STATE_PRELIGHT;
	472	else
	473	state = GTK_STATE_NORMAL;
	474
	475	gtk_paint_check
	476	(
	477	button->style,
	478	gdk_window,
	479	state,
	480	flags & wxCONTROL_CHECKED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
	481	NULL,
	482	button,
	483	"cellcheck",
	484	dc.LogicalToDeviceX(rect.x)+2,
	485	dc.LogicalToDeviceY(rect.y)+3,
	486	13, 13
	487	);
	488	}
	489
	490	void
	491	wxRendererGTK::DrawPushButton(wxWindow *WXUNUSED(win),
	492	wxDC& dc,
	493	const wxRect& rect,
	494	int flags)
	495	{
	496	GtkWidget *button = GetButtonWidget();
	497
	498	// for reason why we do this, see DrawDropArrow
	499	GdkWindow* gdk_window = dc.GetGDKWindow();
	500	wxASSERT_MSG( gdk_window,
	501	wxT("cannot use wxRendererNative on wxDC of this type") );
	502
	503	// draw button
	504	GtkStateType state;
	505
	506	if ( flags & wxCONTROL_PRESSED )
	507	state = GTK_STATE_ACTIVE;
	508	else if ( flags & wxCONTROL_DISABLED )
	509	state = GTK_STATE_INSENSITIVE;
	510	else if ( flags & wxCONTROL_CURRENT )
	511	state = GTK_STATE_PRELIGHT;
	512	else
	513	state = GTK_STATE_NORMAL;
	514
	515	gtk_paint_box
	516	(
	517	button->style,
	518	gdk_window,
	519	state,
	520	flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
	521	NULL,
	522	button,
	523	"button",
	524	rect.x, rect.y, rect.width, rect.height
	525	);
	526	}
	527
	528	void
	529	wxRendererGTK::DrawItemSelectionRect(wxWindow *win,
	530	wxDC& dc,
	531	const wxRect& rect,
	532	int flags )
	533	{
	534	GdkWindow* gdk_window = dc.GetGDKWindow();
	535	wxASSERT_MSG( gdk_window,
	536	wxT("cannot use wxRendererNative on wxDC of this type") );
	537
	538	int x_diff = 0;
	539	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	540	x_diff = rect.width;
	541
	542	GtkStateType state;
	543	if (flags & wxCONTROL_SELECTED)
	544	{
	545	// the wxCONTROL_FOCUSED state is deduced
	546	// directly from the m_wxwindow by GTK+
	547	state = GTK_STATE_SELECTED;
	548
	549	gtk_paint_flat_box( win->m_widget->style,
	550	gdk_window,
	551	state,
	552	GTK_SHADOW_NONE,
	553	NULL,
	554	win->m_wxwindow,
	555	"cell_even",
	556	dc.LogicalToDeviceX(rect.x) - x_diff,
	557	dc.LogicalToDeviceY(rect.y),
	558	rect.width,
	559	rect.height );
	560	}
	561	else // !wxCONTROL_SELECTED
	562	{
	563	state = GTK_STATE_NORMAL;
	564	}
	565
	566	if (flags & wxCONTROL_CURRENT)
	567	{
	568	gtk_paint_focus( win->m_widget->style,
	569	gdk_window,
	570	state,
	571	NULL,
	572	win->m_wxwindow,
	573	"treeview",
	574	dc.LogicalToDeviceX(rect.x),
	575	dc.LogicalToDeviceY(rect.y),
	576	rect.width,
	577	rect.height );
	578	}
	579	}