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 DrawHeaderButton and DrawPushButton
    static GtkWidget *GetButtonWidget();

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

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

// ============================================================================
// 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;
}

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

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

    GtkWidget *button = GetButtonWidget();

    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 DrawHeaderButton and DrawPushButton
	101	static GtkWidget *GetButtonWidget();
	102
	103	// used by DrawTreeItemButton()
	104	static GtkWidget *GetTreeWidget();
	105
	106	// used by DrawCheckBox()
	107	static GtkWidget *GetCheckButtonWidget();
	108	};
	109
	110	// ============================================================================
	111	// implementation
	112	// ============================================================================
	113
	114	/* static */
	115	wxRendererNative& wxRendererNative::GetDefault()
	116	{
	117	static wxRendererGTK s_rendererGTK;
	118
	119	return s_rendererGTK;
	120	}
	121
	122	// ----------------------------------------------------------------------------
	123	// helper functions
	124	// ----------------------------------------------------------------------------
	125
	126	GtkWidget *
	127	wxRendererGTK::GetButtonWidget()
	128	{
	129	static GtkWidget *s_button = NULL;
	130	static GtkWidget *s_window = NULL;
	131
	132	if ( !s_button )
	133	{
	134	s_window = gtk_window_new( GTK_WINDOW_POPUP );
	135	gtk_widget_realize( s_window );
	136	s_button = gtk_button_new();
	137	gtk_container_add( GTK_CONTAINER(s_window), s_button );
	138	gtk_widget_realize( s_button );
	139	}
	140
	141	return s_button;
	142	}
	143
	144	GtkWidget *
	145	wxRendererGTK::GetCheckButtonWidget()
	146	{
	147	static GtkWidget *s_button = NULL;
	148	static GtkWidget *s_window = NULL;
	149
	150	if ( !s_button )
	151	{
	152	s_window = gtk_window_new( GTK_WINDOW_POPUP );
	153	gtk_widget_realize( s_window );
	154	s_button = gtk_check_button_new();
	155	gtk_container_add( GTK_CONTAINER(s_window), s_button );
	156	gtk_widget_realize( s_button );
	157	}
	158
	159	return s_button;
	160	}
	161
	162	GtkWidget *
	163	wxRendererGTK::GetTreeWidget()
	164	{
	165	static GtkWidget *s_tree = NULL;
	166	static GtkWidget *s_window = NULL;
	167
	168	if ( !s_tree )
	169	{
	170	s_tree = gtk_tree_view_new();
	171	s_window = gtk_window_new( GTK_WINDOW_POPUP );
	172	gtk_widget_realize( s_window );
	173	gtk_container_add( GTK_CONTAINER(s_window), s_tree );
	174	gtk_widget_realize( s_tree );
	175	}
	176
	177	return s_tree;
	178	}
	179
	180	// ----------------------------------------------------------------------------
	181	// list/tree controls drawing
	182	// ----------------------------------------------------------------------------
	183
	184	int
	185	wxRendererGTK::DrawHeaderButton(wxWindow *win,
	186	wxDC& dc,
	187	const wxRect& rect,
	188	int flags,
	189	wxHeaderSortIconType sortArrow,
	190	wxHeaderButtonParams* params)
	191	{
	192
	193	GtkWidget *button = GetButtonWidget();
	194
	195	GdkWindow* gdk_window = dc.GetGDKWindow();
	196	wxASSERT_MSG( gdk_window,
	197	wxT("cannot use wxRendererNative on wxDC of this type") );
	198
	199	int x_diff = 0;
	200	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	201	x_diff = rect.width;
	202
	203	gtk_paint_box
	204	(
	205	button->style,
	206	gdk_window,
	207	flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL,
	208	GTK_SHADOW_OUT,
	209	NULL,
	210	button,
	211	"button",
	212	dc.LogicalToDeviceX(rect.x) - x_diff, rect.y, rect.width, rect.height
	213	);
	214
	215	return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
	216	}
	217
	218	// draw a ">" or "v" button
	219	void
	220	wxRendererGTK::DrawTreeItemButton(wxWindow* win,
	221	wxDC& dc, const wxRect& rect, int flags)
	222	{
	223	GtkWidget *tree = GetTreeWidget();
	224
	225	GdkWindow* gdk_window = dc.GetGDKWindow();
	226	wxASSERT_MSG( gdk_window,
	227	wxT("cannot use wxRendererNative on wxDC of this type") );
	228
	229	GtkStateType state;
	230	if ( flags & wxCONTROL_CURRENT )
	231	state = GTK_STATE_PRELIGHT;
	232	else
	233	state = GTK_STATE_NORMAL;
	234
	235	int x_diff = 0;
	236	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	237	x_diff = rect.width;
	238
	239	// VZ: I don't know how to get the size of the expander so as to centre it
	240	// in the given rectangle, +2/3 below is just what looks good here...
	241	gtk_paint_expander
	242	(
	243	tree->style,
	244	gdk_window,
	245	state,
	246	NULL,
	247	tree,
	248	"treeview",
	249	dc.LogicalToDeviceX(rect.x) + 6 - x_diff,
	250	dc.LogicalToDeviceY(rect.y) + 3,
	251	flags & wxCONTROL_EXPANDED ? GTK_EXPANDER_EXPANDED
	252	: GTK_EXPANDER_COLLAPSED
	253	);
	254	}
	255
	256
	257	// ----------------------------------------------------------------------------
	258	// splitter sash drawing
	259	// ----------------------------------------------------------------------------
	260
	261	static int GetGtkSplitterFullSize()
	262	{
	263	static GtkWidget *s_paned = NULL;
	264	if (s_paned == NULL)
	265	s_paned = gtk_vpaned_new();
	266
	267	gint handle_size;
	268	gtk_widget_style_get (s_paned, "handle_size", &handle_size, NULL);
	269
	270	return handle_size;
	271	}
	272
	273	wxSplitterRenderParams
	274	wxRendererGTK::GetSplitterParams(const wxWindow *WXUNUSED(win))
	275	{
	276	// we don't draw any border, hence 0 for the second field
	277	return wxSplitterRenderParams
	278	(
	279	GetGtkSplitterFullSize(),
	280	0,
	281	true // hot sensitive
	282	);
	283	}
	284
	285	void
	286	wxRendererGTK::DrawSplitterBorder(wxWindow * WXUNUSED(win),
	287	wxDC& WXUNUSED(dc),
	288	const wxRect& WXUNUSED(rect),
	289	int WXUNUSED(flags))
	290	{
	291	// nothing to do
	292	}
	293
	294	void
	295	wxRendererGTK::DrawSplitterSash(wxWindow *win,
	296	wxDC& dc,
	297	const wxSize& size,
	298	wxCoord position,
	299	wxOrientation orient,
	300	int flags)
	301	{
	302	if ( !win->m_wxwindow->window )
	303	{
	304	// window not realized yet
	305	return;
	306	}
	307
	308	GdkWindow* gdk_window = dc.GetGDKWindow();
	309	wxASSERT_MSG( gdk_window,
	310	wxT("cannot use wxRendererNative on wxDC of this type") );
	311
	312	wxCoord full_size = GetGtkSplitterFullSize();
	313
	314	// are we drawing vertical or horizontal splitter?
	315	const bool isVert = orient == wxVERTICAL;
	316
	317	GdkRectangle rect;
	318
	319	if ( isVert )
	320	{
	321	int h = win->GetClientSize().GetHeight();
	322
	323	rect.x = position;
	324	rect.y = 0;
	325	rect.width = full_size;
	326	rect.height = h;
	327	}
	328	else // horz
	329	{
	330	int w = win->GetClientSize().GetWidth();
	331
	332	rect.x = 0;
	333	rect.y = position;
	334	rect.height = full_size;
	335	rect.width = w;
	336	}
	337
	338	int x_diff = 0;
	339	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	340	x_diff = rect.width;
	341
	342	gtk_paint_handle
	343	(
	344	win->m_wxwindow->style,
	345	gdk_window,
	346	flags & wxCONTROL_CURRENT ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL,
	347	GTK_SHADOW_NONE,
	348	NULL /* no clipping */,
	349	win->m_wxwindow,
	350	"paned",
	351	dc.LogicalToDeviceX(rect.x) - x_diff,
	352	dc.LogicalToDeviceY(rect.y),
	353	rect.width,
	354	rect.height,
	355	isVert ? GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL
	356	);
	357	}
	358
	359	void
	360	wxRendererGTK::DrawDropArrow(wxWindow *WXUNUSED(win),
	361	wxDC& dc,
	362	const wxRect& rect,
	363	int flags)
	364	{
	365	GtkWidget *button = GetButtonWidget();
	366
	367	// If we give GTK_PIZZA(win->m_wxwindow)->bin_window as
	368	// a window for gtk_paint_xxx function, then it won't
	369	// work for wxMemoryDC. So that is why we assume wxDC
	370	// is wxWindowDC (wxClientDC, wxMemoryDC and wxPaintDC
	371	// are derived from it) and use its m_window.
	372	GdkWindow* gdk_window = dc.GetGDKWindow();
	373	wxASSERT_MSG( gdk_window,
	374	wxT("cannot use wxRendererNative on wxDC of this type") );
	375
	376	// draw arrow so that there is even space horizontally
	377	// on both sides
	378	int arrowX = rect.width/4 + 1;
	379	int arrowWidth = rect.width - (arrowX*2);
	380
	381	// scale arrow's height accoording to the width
	382	int arrowHeight = rect.width/3;
	383	int arrowY = (rect.height-arrowHeight)/2 +
	384	((rect.height-arrowHeight) & 1);
	385
	386	GtkStateType state;
	387
	388	if ( flags & wxCONTROL_PRESSED )
	389	state = GTK_STATE_ACTIVE;
	390	else if ( flags & wxCONTROL_DISABLED )
	391	state = GTK_STATE_INSENSITIVE;
	392	else if ( flags & wxCONTROL_CURRENT )
	393	state = GTK_STATE_PRELIGHT;
	394	else
	395	state = GTK_STATE_NORMAL;
	396
	397	// draw arrow on button
	398	gtk_paint_arrow
	399	(
	400	button->style,
	401	gdk_window,
	402	state,
	403	flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
	404	NULL,
	405	button,
	406	"arrow",
	407	GTK_ARROW_DOWN,
	408	FALSE,
	409	rect.x + arrowX,
	410	rect.y + arrowY,
	411	arrowWidth,
	412	arrowHeight
	413	);
	414	}
	415
	416	void
	417	wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
	418	wxDC& dc,
	419	const wxRect& rect,
	420	int flags)
	421	{
	422	DrawPushButton(win,dc,rect,flags);
	423	DrawDropArrow(win,dc,rect);
	424	}
	425
	426	void
	427	wxRendererGTK::DrawCheckBox(wxWindow *WXUNUSED(win),
	428	wxDC& dc,
	429	const wxRect& rect,
	430	int flags )
	431	{
	432	GtkWidget *button = GetCheckButtonWidget();
	433
	434	// for reason why we do this, see DrawDropArrow
	435	GdkWindow* gdk_window = dc.GetGDKWindow();
	436	wxASSERT_MSG( gdk_window,
	437	wxT("cannot use wxRendererNative on wxDC of this type") );
	438
	439	GtkStateType state;
	440
	441	if ( flags & wxCONTROL_PRESSED )
	442	state = GTK_STATE_ACTIVE;
	443	else if ( flags & wxCONTROL_DISABLED )
	444	state = GTK_STATE_INSENSITIVE;
	445	else if ( flags & wxCONTROL_CURRENT )
	446	state = GTK_STATE_PRELIGHT;
	447	else
	448	state = GTK_STATE_NORMAL;
	449
	450	gtk_paint_check
	451	(
	452	button->style,
	453	gdk_window,
	454	state,
	455	flags & wxCONTROL_CHECKED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
	456	NULL,
	457	button,
	458	"cellcheck",
	459	dc.LogicalToDeviceX(rect.x)+2,
	460	dc.LogicalToDeviceY(rect.y)+3,
	461	13, 13
	462	);
	463	}
	464
	465	void
	466	wxRendererGTK::DrawPushButton(wxWindow *WXUNUSED(win),
	467	wxDC& dc,
	468	const wxRect& rect,
	469	int flags)
	470	{
	471	GtkWidget *button = GetButtonWidget();
	472
	473	// for reason why we do this, see DrawDropArrow
	474	GdkWindow* gdk_window = dc.GetGDKWindow();
	475	wxASSERT_MSG( gdk_window,
	476	wxT("cannot use wxRendererNative on wxDC of this type") );
	477
	478	// draw button
	479	GtkStateType state;
	480
	481	if ( flags & wxCONTROL_PRESSED )
	482	state = GTK_STATE_ACTIVE;
	483	else if ( flags & wxCONTROL_DISABLED )
	484	state = GTK_STATE_INSENSITIVE;
	485	else if ( flags & wxCONTROL_CURRENT )
	486	state = GTK_STATE_PRELIGHT;
	487	else
	488	state = GTK_STATE_NORMAL;
	489
	490	gtk_paint_box
	491	(
	492	button->style,
	493	gdk_window,
	494	state,
	495	flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
	496	NULL,
	497	button,
	498	"button",
	499	rect.x, rect.y, rect.width, rect.height
	500	);
	501	}
	502
	503	void
	504	wxRendererGTK::DrawItemSelectionRect(wxWindow *win,
	505	wxDC& dc,
	506	const wxRect& rect,
	507	int flags )
	508	{
	509	GdkWindow* gdk_window = dc.GetGDKWindow();
	510	wxASSERT_MSG( gdk_window,
	511	wxT("cannot use wxRendererNative on wxDC of this type") );
	512
	513	int x_diff = 0;
	514	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	515	x_diff = rect.width;
	516
	517	GtkStateType state;
	518	if (flags & wxCONTROL_SELECTED)
	519	{
	520	// the wxCONTROL_FOCUSED state is deduced
	521	// directly from the m_wxwindow by GTK+
	522	state = GTK_STATE_SELECTED;
	523
	524	gtk_paint_flat_box( win->m_widget->style,
	525	gdk_window,
	526	state,
	527	GTK_SHADOW_NONE,
	528	NULL,
	529	win->m_wxwindow,
	530	"cell_even",
	531	dc.LogicalToDeviceX(rect.x) - x_diff,
	532	dc.LogicalToDeviceY(rect.y),
	533	rect.width,
	534	rect.height );
	535	}
	536	else // !wxCONTROL_SELECTED
	537	{
	538	state = GTK_STATE_NORMAL;
	539	}
	540
	541	if (flags & wxCONTROL_CURRENT)
	542	{
	543	gtk_paint_focus( win->m_widget->style,
	544	gdk_window,
	545	state,
	546	NULL,
	547	win->m_wxwindow,
	548	"treeview",
	549	dc.LogicalToDeviceX(rect.x),
	550	dc.LogicalToDeviceY(rect.y),
	551	rect.width,
	552	rect.height );
	553	}
	554	}