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 void DrawFocusRect(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 );
    }
}

void wxRendererGTK::DrawFocusRect(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") );

    GtkStateType state;
    if (flags & wxCONTROL_SELECTED)
        state = GTK_STATE_SELECTED;
    else
        state = GTK_STATE_NORMAL;

    gtk_paint_focus( win->m_widget->style,
                     gdk_window,
                     state,
                     NULL,
                     win->m_wxwindow,
                     NULL,
                     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 void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
	96
	97	virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
	98
	99	private:
	100	// FIXME: shouldn't we destroy these windows somewhere?
	101
	102	// used by DrawPushButton and DrawDropArrow
	103	static GtkWidget *GetButtonWidget();
	104
	105	// used by DrawTreeItemButton()
	106	static GtkWidget *GetTreeWidget();
	107
	108	// used by DrawCheckBox()
	109	static GtkWidget *GetCheckButtonWidget();
	110
	111	// Used by DrawHeaderButton
	112	static GtkWidget *GetHeaderButtonWidget();
	113	};
	114
	115	// ============================================================================
	116	// implementation
	117	// ============================================================================
	118
	119	/* static */
	120	wxRendererNative& wxRendererNative::GetDefault()
	121	{
	122	static wxRendererGTK s_rendererGTK;
	123
	124	return s_rendererGTK;
	125	}
	126
	127	// ----------------------------------------------------------------------------
	128	// helper functions
	129	// ----------------------------------------------------------------------------
	130
	131	GtkWidget *
	132	wxRendererGTK::GetButtonWidget()
	133	{
	134	static GtkWidget *s_button = NULL;
	135	static GtkWidget *s_window = NULL;
	136
	137	if ( !s_button )
	138	{
	139	s_window = gtk_window_new( GTK_WINDOW_POPUP );
	140	gtk_widget_realize( s_window );
	141	s_button = gtk_button_new();
	142	gtk_container_add( GTK_CONTAINER(s_window), s_button );
	143	gtk_widget_realize( s_button );
	144	}
	145
	146	return s_button;
	147	}
	148
	149	GtkWidget *
	150	wxRendererGTK::GetCheckButtonWidget()
	151	{
	152	static GtkWidget *s_button = NULL;
	153	static GtkWidget *s_window = NULL;
	154
	155	if ( !s_button )
	156	{
	157	s_window = gtk_window_new( GTK_WINDOW_POPUP );
	158	gtk_widget_realize( s_window );
	159	s_button = gtk_check_button_new();
	160	gtk_container_add( GTK_CONTAINER(s_window), s_button );
	161	gtk_widget_realize( s_button );
	162	}
	163
	164	return s_button;
	165	}
	166
	167	GtkWidget *
	168	wxRendererGTK::GetTreeWidget()
	169	{
	170	static GtkWidget *s_tree = NULL;
	171	static GtkWidget *s_window = NULL;
	172
	173	if ( !s_tree )
	174	{
	175	s_tree = gtk_tree_view_new();
	176	s_window = gtk_window_new( GTK_WINDOW_POPUP );
	177	gtk_widget_realize( s_window );
	178	gtk_container_add( GTK_CONTAINER(s_window), s_tree );
	179	gtk_widget_realize( s_tree );
	180	}
	181
	182	return s_tree;
	183	}
	184
	185
	186	// This one just gets the button used by the column header. Although it's
	187	// still a gtk_button the themes will typically differentiate and draw them
	188	// differently if the button is in a treeview.
	189	GtkWidget *
	190	wxRendererGTK::GetHeaderButtonWidget()
	191	{
	192	static GtkWidget *s_button = NULL;
	193
	194	if ( !s_button )
	195	{
	196	// Get the dummy tree widget, give it a column, and then use the
	197	// widget in the column header for the rendering code.
	198	GtkWidget* treewidget = GetTreeWidget();
	199	GtkTreeViewColumn* column = gtk_tree_view_column_new();
	200	gtk_tree_view_append_column(GTK_TREE_VIEW(treewidget), column);
	201	s_button = column->button;
	202	}
	203
	204	return s_button;
	205	}
	206
	207	// ----------------------------------------------------------------------------
	208	// list/tree controls drawing
	209	// ----------------------------------------------------------------------------
	210
	211	int
	212	wxRendererGTK::DrawHeaderButton(wxWindow *win,
	213	wxDC& dc,
	214	const wxRect& rect,
	215	int flags,
	216	wxHeaderSortIconType sortArrow,
	217	wxHeaderButtonParams* params)
	218	{
	219
	220	GtkWidget *button = GetHeaderButtonWidget();
	221
	222	GdkWindow* gdk_window = dc.GetGDKWindow();
	223	wxASSERT_MSG( gdk_window,
	224	wxT("cannot use wxRendererNative on wxDC of this type") );
	225
	226	int x_diff = 0;
	227	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	228	x_diff = rect.width;
	229
	230	gtk_paint_box
	231	(
	232	button->style,
	233	gdk_window,
	234	flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL,
	235	GTK_SHADOW_OUT,
	236	NULL,
	237	button,
	238	"button",
	239	dc.LogicalToDeviceX(rect.x) - x_diff, rect.y, rect.width, rect.height
	240	);
	241
	242	return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
	243	}
	244
	245	// draw a ">" or "v" button
	246	void
	247	wxRendererGTK::DrawTreeItemButton(wxWindow* win,
	248	wxDC& dc, const wxRect& rect, int flags)
	249	{
	250	GtkWidget *tree = GetTreeWidget();
	251
	252	GdkWindow* gdk_window = dc.GetGDKWindow();
	253	wxASSERT_MSG( gdk_window,
	254	wxT("cannot use wxRendererNative on wxDC of this type") );
	255
	256	GtkStateType state;
	257	if ( flags & wxCONTROL_CURRENT )
	258	state = GTK_STATE_PRELIGHT;
	259	else
	260	state = GTK_STATE_NORMAL;
	261
	262	int x_diff = 0;
	263	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	264	x_diff = rect.width;
	265
	266	// VZ: I don't know how to get the size of the expander so as to centre it
	267	// in the given rectangle, +2/3 below is just what looks good here...
	268	gtk_paint_expander
	269	(
	270	tree->style,
	271	gdk_window,
	272	state,
	273	NULL,
	274	tree,
	275	"treeview",
	276	dc.LogicalToDeviceX(rect.x) + 6 - x_diff,
	277	dc.LogicalToDeviceY(rect.y) + 3,
	278	flags & wxCONTROL_EXPANDED ? GTK_EXPANDER_EXPANDED
	279	: GTK_EXPANDER_COLLAPSED
	280	);
	281	}
	282
	283
	284	// ----------------------------------------------------------------------------
	285	// splitter sash drawing
	286	// ----------------------------------------------------------------------------
	287
	288	static int GetGtkSplitterFullSize()
	289	{
	290	static GtkWidget *s_paned = NULL;
	291	if (s_paned == NULL)
	292	s_paned = gtk_vpaned_new();
	293
	294	gint handle_size;
	295	gtk_widget_style_get (s_paned, "handle_size", &handle_size, NULL);
	296
	297	return handle_size;
	298	}
	299
	300	wxSplitterRenderParams
	301	wxRendererGTK::GetSplitterParams(const wxWindow *WXUNUSED(win))
	302	{
	303	// we don't draw any border, hence 0 for the second field
	304	return wxSplitterRenderParams
	305	(
	306	GetGtkSplitterFullSize(),
	307	0,
	308	true // hot sensitive
	309	);
	310	}
	311
	312	void
	313	wxRendererGTK::DrawSplitterBorder(wxWindow * WXUNUSED(win),
	314	wxDC& WXUNUSED(dc),
	315	const wxRect& WXUNUSED(rect),
	316	int WXUNUSED(flags))
	317	{
	318	// nothing to do
	319	}
	320
	321	void
	322	wxRendererGTK::DrawSplitterSash(wxWindow *win,
	323	wxDC& dc,
	324	const wxSize& size,
	325	wxCoord position,
	326	wxOrientation orient,
	327	int flags)
	328	{
	329	if ( !win->m_wxwindow->window )
	330	{
	331	// window not realized yet
	332	return;
	333	}
	334
	335	GdkWindow* gdk_window = dc.GetGDKWindow();
	336	wxASSERT_MSG( gdk_window,
	337	wxT("cannot use wxRendererNative on wxDC of this type") );
	338
	339	wxCoord full_size = GetGtkSplitterFullSize();
	340
	341	// are we drawing vertical or horizontal splitter?
	342	const bool isVert = orient == wxVERTICAL;
	343
	344	GdkRectangle rect;
	345
	346	if ( isVert )
	347	{
	348	int h = win->GetClientSize().GetHeight();
	349
	350	rect.x = position;
	351	rect.y = 0;
	352	rect.width = full_size;
	353	rect.height = h;
	354	}
	355	else // horz
	356	{
	357	int w = win->GetClientSize().GetWidth();
	358
	359	rect.x = 0;
	360	rect.y = position;
	361	rect.height = full_size;
	362	rect.width = w;
	363	}
	364
	365	int x_diff = 0;
	366	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	367	x_diff = rect.width;
	368
	369	gtk_paint_handle
	370	(
	371	win->m_wxwindow->style,
	372	gdk_window,
	373	flags & wxCONTROL_CURRENT ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL,
	374	GTK_SHADOW_NONE,
	375	NULL /* no clipping */,
	376	win->m_wxwindow,
	377	"paned",
	378	dc.LogicalToDeviceX(rect.x) - x_diff,
	379	dc.LogicalToDeviceY(rect.y),
	380	rect.width,
	381	rect.height,
	382	isVert ? GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL
	383	);
	384	}
	385
	386	void
	387	wxRendererGTK::DrawDropArrow(wxWindow *WXUNUSED(win),
	388	wxDC& dc,
	389	const wxRect& rect,
	390	int flags)
	391	{
	392	GtkWidget *button = GetButtonWidget();
	393
	394	// If we give GTK_PIZZA(win->m_wxwindow)->bin_window as
	395	// a window for gtk_paint_xxx function, then it won't
	396	// work for wxMemoryDC. So that is why we assume wxDC
	397	// is wxWindowDC (wxClientDC, wxMemoryDC and wxPaintDC
	398	// are derived from it) and use its m_window.
	399	GdkWindow* gdk_window = dc.GetGDKWindow();
	400	wxASSERT_MSG( gdk_window,
	401	wxT("cannot use wxRendererNative on wxDC of this type") );
	402
	403	// draw arrow so that there is even space horizontally
	404	// on both sides
	405	int arrowX = rect.width/4 + 1;
	406	int arrowWidth = rect.width - (arrowX*2);
	407
	408	// scale arrow's height accoording to the width
	409	int arrowHeight = rect.width/3;
	410	int arrowY = (rect.height-arrowHeight)/2 +
	411	((rect.height-arrowHeight) & 1);
	412
	413	GtkStateType state;
	414
	415	if ( flags & wxCONTROL_PRESSED )
	416	state = GTK_STATE_ACTIVE;
	417	else if ( flags & wxCONTROL_DISABLED )
	418	state = GTK_STATE_INSENSITIVE;
	419	else if ( flags & wxCONTROL_CURRENT )
	420	state = GTK_STATE_PRELIGHT;
	421	else
	422	state = GTK_STATE_NORMAL;
	423
	424	// draw arrow on button
	425	gtk_paint_arrow
	426	(
	427	button->style,
	428	gdk_window,
	429	state,
	430	flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
	431	NULL,
	432	button,
	433	"arrow",
	434	GTK_ARROW_DOWN,
	435	FALSE,
	436	rect.x + arrowX,
	437	rect.y + arrowY,
	438	arrowWidth,
	439	arrowHeight
	440	);
	441	}
	442
	443	void
	444	wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
	445	wxDC& dc,
	446	const wxRect& rect,
	447	int flags)
	448	{
	449	DrawPushButton(win,dc,rect,flags);
	450	DrawDropArrow(win,dc,rect);
	451	}
	452
	453	void
	454	wxRendererGTK::DrawCheckBox(wxWindow *WXUNUSED(win),
	455	wxDC& dc,
	456	const wxRect& rect,
	457	int flags )
	458	{
	459	GtkWidget *button = GetCheckButtonWidget();
	460
	461	// for reason why we do this, see DrawDropArrow
	462	GdkWindow* gdk_window = dc.GetGDKWindow();
	463	wxASSERT_MSG( gdk_window,
	464	wxT("cannot use wxRendererNative on wxDC of this type") );
	465
	466	GtkStateType state;
	467
	468	if ( flags & wxCONTROL_PRESSED )
	469	state = GTK_STATE_ACTIVE;
	470	else if ( flags & wxCONTROL_DISABLED )
	471	state = GTK_STATE_INSENSITIVE;
	472	else if ( flags & wxCONTROL_CURRENT )
	473	state = GTK_STATE_PRELIGHT;
	474	else
	475	state = GTK_STATE_NORMAL;
	476
	477	gtk_paint_check
	478	(
	479	button->style,
	480	gdk_window,
	481	state,
	482	flags & wxCONTROL_CHECKED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
	483	NULL,
	484	button,
	485	"cellcheck",
	486	dc.LogicalToDeviceX(rect.x)+2,
	487	dc.LogicalToDeviceY(rect.y)+3,
	488	13, 13
	489	);
	490	}
	491
	492	void
	493	wxRendererGTK::DrawPushButton(wxWindow *WXUNUSED(win),
	494	wxDC& dc,
	495	const wxRect& rect,
	496	int flags)
	497	{
	498	GtkWidget *button = GetButtonWidget();
	499
	500	// for reason why we do this, see DrawDropArrow
	501	GdkWindow* gdk_window = dc.GetGDKWindow();
	502	wxASSERT_MSG( gdk_window,
	503	wxT("cannot use wxRendererNative on wxDC of this type") );
	504
	505	// draw button
	506	GtkStateType state;
	507
	508	if ( flags & wxCONTROL_PRESSED )
	509	state = GTK_STATE_ACTIVE;
	510	else if ( flags & wxCONTROL_DISABLED )
	511	state = GTK_STATE_INSENSITIVE;
	512	else if ( flags & wxCONTROL_CURRENT )
	513	state = GTK_STATE_PRELIGHT;
	514	else
	515	state = GTK_STATE_NORMAL;
	516
	517	gtk_paint_box
	518	(
	519	button->style,
	520	gdk_window,
	521	state,
	522	flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
	523	NULL,
	524	button,
	525	"button",
	526	rect.x, rect.y, rect.width, rect.height
	527	);
	528	}
	529
	530	void
	531	wxRendererGTK::DrawItemSelectionRect(wxWindow *win,
	532	wxDC& dc,
	533	const wxRect& rect,
	534	int flags )
	535	{
	536	GdkWindow* gdk_window = dc.GetGDKWindow();
	537	wxASSERT_MSG( gdk_window,
	538	wxT("cannot use wxRendererNative on wxDC of this type") );
	539
	540	int x_diff = 0;
	541	if (win->GetLayoutDirection() == wxLayout_RightToLeft)
	542	x_diff = rect.width;
	543
	544	GtkStateType state;
	545	if (flags & wxCONTROL_SELECTED)
	546	{
	547	// the wxCONTROL_FOCUSED state is deduced
	548	// directly from the m_wxwindow by GTK+
	549	state = GTK_STATE_SELECTED;
	550
	551	gtk_paint_flat_box( win->m_widget->style,
	552	gdk_window,
	553	state,
	554	GTK_SHADOW_NONE,
	555	NULL,
	556	win->m_wxwindow,
	557	"cell_even",
	558	dc.LogicalToDeviceX(rect.x) - x_diff,
	559	dc.LogicalToDeviceY(rect.y),
	560	rect.width,
	561	rect.height );
	562	}
	563	else // !wxCONTROL_SELECTED
	564	{
	565	state = GTK_STATE_NORMAL;
	566	}
	567
	568	if (flags & wxCONTROL_CURRENT)
	569	{
	570	gtk_paint_focus( win->m_widget->style,
	571	gdk_window,
	572	state,
	573	NULL,
	574	win->m_wxwindow,
	575	"treeview",
	576	dc.LogicalToDeviceX(rect.x),
	577	dc.LogicalToDeviceY(rect.y),
	578	rect.width,
	579	rect.height );
	580	}
	581	}
	582
	583	void wxRendererGTK::DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags)
	584	{
	585	GdkWindow* gdk_window = dc.GetGDKWindow();
	586	wxASSERT_MSG( gdk_window,
	587	wxT("cannot use wxRendererNative on wxDC of this type") );
	588
	589	GtkStateType state;
	590	if (flags & wxCONTROL_SELECTED)
	591	state = GTK_STATE_SELECTED;
	592	else
	593	state = GTK_STATE_NORMAL;
	594
	595	gtk_paint_focus( win->m_widget->style,
	596	gdk_window,
	597	state,
	598	NULL,
	599	win->m_wxwindow,
	600	NULL,
	601	dc.LogicalToDeviceX(rect.x),
	602	dc.LogicalToDeviceY(rect.y),
	603	rect.width,
	604	rect.height );
	605	}