src/aui/tabartgtk.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        src/aui/tabartgtk.cpp
// Purpose:     implementation of the wxAuiGTKTabArt
// Author:      Jens Lody and Teodor Petrov
// Modified by:
// Created:     2012-03-23
// RCS-ID:      $Id$
// Copyright:   (c) 2012 Jens Lody <jens@codeblocks.org>
//                  and Teodor Petrov
// Licence:     wxWindows licence
///////////////////////////////////////////////////////////////////////////////

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

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

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

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_AUI

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

#include "wx/gtk/dc.h"
#include "wx/gtk/private.h"

#include <gtk/gtk.h>

#include "wx/aui/auibook.h"
#include "wx/aui/tabartgtk.h"
#include "wx/renderer.h"

namespace
{

static int s_CloseIconSize = 16; // default size

}

wxAuiGtkTabArt::wxAuiGtkTabArt()

{
}

wxAuiTabArt* wxAuiGtkTabArt::Clone()
{
    wxAuiGtkTabArt* clone = new wxAuiGtkTabArt();

    clone->SetNormalFont(m_normalFont);
    clone->SetSelectedFont(m_normalFont);
    clone->SetMeasuringFont(m_normalFont);

    return clone;
}

void wxAuiGtkTabArt::DrawBackground(wxDC& dc, wxWindow* WXUNUSED(wnd), const wxRect& rect)
{
    wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
    GdkWindow* window = impldc->GetGDKWindow();

    gtk_style_apply_default_background(gtk_widget_get_style(wxGTKPrivate::GetNotebookWidget()),
                                       window,
                                       true,
                                       GTK_STATE_NORMAL,
                                       NULL,
                                       rect.x, rect.y, rect.width, rect.height);
}

void wxAuiGtkTabArt::DrawBorder(wxDC& WXUNUSED(dc), wxWindow* wnd, const wxRect& rect)
{
    int generic_border_width = wxAuiGenericTabArt::GetBorderWidth(wnd);

    if (!wnd) return;
    if (!wnd->m_wxwindow) return;
    if (!gtk_widget_is_drawable(wnd->m_wxwindow)) return;

    GtkStyle *style_notebook = gtk_widget_get_style(wxGTKPrivate::GetNotebookWidget());

    gtk_paint_box(style_notebook, wnd->GTKGetDrawingWindow(), GTK_STATE_NORMAL, GTK_SHADOW_OUT,
                  NULL, wnd->m_wxwindow,
                  const_cast<char*>("notebook"),
                  rect.x + generic_border_width + 1, rect.y + generic_border_width + 1,
                  rect.width - (generic_border_width + 1), rect.height - (generic_border_width + 1));
}

void ButtonStateAndShadow(int button_state, GtkStateType &state, GtkShadowType &shadow)
{

    if (button_state & wxAUI_BUTTON_STATE_DISABLED)
    {
        state = GTK_STATE_INSENSITIVE;
        shadow = GTK_SHADOW_ETCHED_IN;
    }
    else if (button_state & wxAUI_BUTTON_STATE_HOVER)
    {
        state = GTK_STATE_PRELIGHT;
        shadow = GTK_SHADOW_OUT;
    }
    else if (button_state & wxAUI_BUTTON_STATE_PRESSED)
    {
        state = GTK_STATE_ACTIVE;
        shadow = GTK_SHADOW_IN;
    }
    else
    {
        state = GTK_STATE_NORMAL;
        shadow = GTK_SHADOW_OUT;
    }
}

wxRect DrawCloseButton(wxDC& dc,
                       GtkWidget *widget,
                       int button_state,
                       wxRect const &in_rect,
                       int orientation,
                       GdkRectangle* clipRect)
{
    GtkStyle *style_button = gtk_widget_get_style(wxGTKPrivate::GetButtonWidget());
    int xthickness = style_button->xthickness;
    int ythickness = style_button->ythickness;

    wxBitmap bmp(gtk_widget_render_icon(widget, GTK_STOCK_CLOSE, GTK_ICON_SIZE_SMALL_TOOLBAR, "tab"));

    if(bmp.GetWidth() != s_CloseIconSize || bmp.GetHeight() != s_CloseIconSize)
    {
        wxImage img = bmp.ConvertToImage();
        img.Rescale(s_CloseIconSize, s_CloseIconSize);
        bmp = img;
    }

    int button_size = s_CloseIconSize + 2 * xthickness;

    wxRect out_rect;

    if (orientation == wxLEFT)
        out_rect.x = in_rect.x - ythickness;
    else
        out_rect.x = in_rect.x + in_rect.width - button_size - ythickness;

    out_rect.y = in_rect.y + (in_rect.height - button_size) / 2;
    out_rect.width = button_size;
    out_rect.height = button_size;

    wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
    GdkWindow* window = impldc->GetGDKWindow();

    if (button_state == wxAUI_BUTTON_STATE_HOVER)
    {
        gtk_paint_box(style_button, window,
                      GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, clipRect, widget, "button",
                     out_rect.x, out_rect.y, out_rect.width, out_rect.height);
    }
    else if (button_state == wxAUI_BUTTON_STATE_PRESSED)
    {
        gtk_paint_box(style_button, window,
                      GTK_STATE_ACTIVE, GTK_SHADOW_IN, clipRect, widget, "button",
                      out_rect.x, out_rect.y, out_rect.width, out_rect.height);
    }


    dc.DrawBitmap(bmp, out_rect.x + xthickness, out_rect.y + ythickness, true);

    return out_rect;
}

void wxAuiGtkTabArt::DrawTab(wxDC& dc, wxWindow* wnd, const wxAuiNotebookPage& page,
                             const wxRect& in_rect, int close_button_state, wxRect* out_tab_rect,
                             wxRect* out_button_rect, int* x_extent)
{
    GtkWidget *widget = wnd->GetHandle();
    GtkStyle *style_notebook = gtk_widget_get_style(wxGTKPrivate::GetNotebookWidget());

    wxRect const &window_rect = wnd->GetRect();

    int focus_width = 0;

    gtk_widget_style_get(wxGTKPrivate::GetNotebookWidget(),
                         "focus-line-width", &focus_width,
                         NULL);

    int tab_pos;
    if (m_flags &wxAUI_NB_BOTTOM)
        tab_pos = wxAUI_NB_BOTTOM;
    else //if (m_flags & wxAUI_NB_TOP) {}
        tab_pos = wxAUI_NB_TOP;

    // TODO: else if (m_flags &wxAUI_NB_LEFT) {}
    // TODO: else if (m_flags &wxAUI_NB_RIGHT) {}

    // figure out the size of the tab
    wxSize tab_size = GetTabSize(dc, wnd, page.caption, page.bitmap,
                                    page.active, close_button_state, x_extent);

    wxRect tab_rect = in_rect;
    tab_rect.width = tab_size.x;
    tab_rect.height = tab_size.y;
    tab_rect.y += 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;

    if (page.active)
        tab_rect.height += 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;

    int gap_rect_height = 10 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
    int gap_rect_x = 1, gap_start = 0, gap_width = 0;
    int gap_rect_y = tab_rect.y - gap_rect_height;
    int gap_rect_width = window_rect.width;

    switch (tab_pos)
    {
        case wxAUI_NB_TOP:
            tab_rect.y -= 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
            if (!page.active)
                tab_rect.y += 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
            gap_rect_y = tab_rect.y + tab_rect.height - GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder / 2;
            // fall through
        case wxAUI_NB_BOTTOM:
            gap_start = tab_rect.x - GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder / 2;
            gap_width = tab_rect.width;
            break;
        // TODO: case wxAUI_NB_LEFT: break;
        // TODO: case wxAUI_NB_RIGHT: break;
    }
    tab_rect.y += GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder / 2;
    gap_rect_y += GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder / 2;

    int padding = focus_width + GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;

    int clip_width = tab_rect.width;
    if (tab_rect.x + tab_rect.width > in_rect.x + in_rect.width)
        clip_width = (in_rect.x + in_rect.width) - tab_rect.x;

    dc.SetClippingRegion(tab_rect.x, tab_rect.y - GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder, clip_width, tab_rect.height + GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder);

    GdkRectangle area;
    area.x = tab_rect.x - GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder;
    area.y = tab_rect.y - 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
    area.width = clip_width + GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder;
    area.height = tab_rect.height + 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;

    wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
    GdkWindow* window = impldc->GetGDKWindow();

    // Before drawing the active tab itself, draw a box without border, because some themes
    // have transparent gaps and a line would be visible at the bottom of the tab
    if (page.active)
        gtk_paint_box(style_notebook, window, GTK_STATE_NORMAL, GTK_SHADOW_NONE,
                      NULL, widget,
                      const_cast<char*>("notebook"),
                      gap_rect_x, gap_rect_y,
                      gap_rect_width, gap_rect_height);

    if (tab_pos == wxAUI_NB_BOTTOM)
    {
        if (page.active)
        {
            gtk_paint_box_gap(style_notebook, window, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
                              NULL, widget,
                              const_cast<char*>("notebook"),
                              gap_rect_x, gap_rect_y,
                              gap_rect_width, gap_rect_height,
                              GTK_POS_BOTTOM, gap_start , gap_width);
        }
        gtk_paint_extension(style_notebook, window,
                           page.active ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE, GTK_SHADOW_OUT,
                           &area, widget,
                           const_cast<char*>("tab"),
                           tab_rect.x, tab_rect.y,
                           tab_rect.width, tab_rect.height,
                           GTK_POS_TOP);
    }
    else
    {
        if (page.active)
        {
            gtk_paint_box_gap(style_notebook, window, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
                              NULL, widget,
                              const_cast<char*>("notebook"),
                              gap_rect_x, gap_rect_y,
                              gap_rect_width, gap_rect_height,
                              GTK_POS_TOP, gap_start , gap_width);
        }
        gtk_paint_extension(style_notebook, window,
                           page.active ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE, GTK_SHADOW_OUT,
                           &area, widget,
                           const_cast<char*>("tab"),
                           tab_rect.x, tab_rect.y,
                           tab_rect.width, tab_rect.height,
                           GTK_POS_BOTTOM);
    }

    // After drawing the inactive tab itself, draw a box with the same dimensions as the gap-box,
    // otherwise we don't get a gap-box, if the active tab is invisible
    if (!page.active)
        gtk_paint_box(style_notebook, window, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
                      NULL, widget,
                      const_cast<char*>("notebook"),
                      gap_rect_x, gap_rect_y,
                      gap_rect_width, gap_rect_height);

    wxCoord textX = tab_rect.x + padding + style_notebook->xthickness;

    int bitmap_offset = 0;
    if (page.bitmap.IsOk())
    {
        bitmap_offset = textX;

        // draw bitmap
        int bitmapY = tab_rect.y +(tab_rect.height - page.bitmap.GetHeight()) / 2;
        if(!page.active)
        {
            if (tab_pos == wxAUI_NB_TOP)
                bitmapY += style_notebook->ythickness / 2;
            else
                bitmapY -= style_notebook->ythickness / 2;
        }
        dc.DrawBitmap(page.bitmap,
                      bitmap_offset,
                      bitmapY,
                      true);

        textX += page.bitmap.GetWidth() + padding;
    }

    wxCoord textW, textH, textY;

    dc.SetFont(m_normalFont);
    dc.GetTextExtent(page.caption, &textW, &textH);
    textY = tab_rect.y + (tab_rect.height - textH) / 2;
    if(!page.active)
    {
        if (tab_pos == wxAUI_NB_TOP)
            textY += style_notebook->ythickness / 2;
        else
            textY -= style_notebook->ythickness / 2;
    }

    // draw tab text
    GdkColor text_colour = page.active ? style_notebook->fg[GTK_STATE_NORMAL] : style_notebook->fg[GTK_STATE_ACTIVE];
    dc.SetTextForeground(wxColor(text_colour));
    GdkRectangle focus_area;

    int padding_focus = padding - focus_width;
    focus_area.x = tab_rect.x + padding_focus;
    focus_area.y = textY - focus_width;
    focus_area.width = tab_rect.width - 2 * padding_focus;
    focus_area.height = textH + 2 * focus_width;

    if(page.active && (wnd->FindFocus() == wnd) && focus_area.x <= (area.x + area.width))
    {
        // clipping seems not to work here, so we we have to recalc the focus-area manually
        if((focus_area.x + focus_area.width) > (area.x + area.width))
            focus_area.width = area.x + area.width - focus_area.x + focus_width - GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder;
        gtk_paint_focus (style_notebook, window,
                         GTK_STATE_ACTIVE, NULL, widget, "tab",
                         focus_area.x, focus_area.y, focus_area.width, focus_area.height);
    }

    dc.DrawText(page.caption, textX, textY);

    // draw close-button on tab (if enabled)
    if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
    {
        wxRect rect(tab_rect.x, tab_rect.y, tab_rect.width - style_notebook->xthickness, tab_rect.height);
        if(!page.active)
        {
            if (tab_pos == wxAUI_NB_TOP)
                rect.y += style_notebook->ythickness / 2;
            else
                rect.y -= style_notebook->ythickness / 2;
        }
        *out_button_rect = DrawCloseButton(dc, widget, close_button_state, rect, wxRIGHT, &area);
    }

    if ( clip_width < tab_rect.width )
        tab_rect.width = clip_width;
    *out_tab_rect = tab_rect;

    dc.DestroyClippingRegion();
}

wxRect DrawSimpleArrow(wxDC& dc,
                       GtkWidget *widget,
                       int button_state,
                       wxRect const &in_rect,
                       int orientation,
                       GtkArrowType arrow_type)
{
    int scroll_arrow_hlength, scroll_arrow_vlength;
    gtk_widget_style_get(widget,
                         "scroll-arrow-hlength", &scroll_arrow_hlength,
                         "scroll-arrow-vlength", &scroll_arrow_vlength,
                         NULL);

    GtkStateType state;
    GtkShadowType shadow;
    ButtonStateAndShadow(button_state, state, shadow);

    wxRect out_rect;

    if (orientation == wxLEFT)
        out_rect.x = in_rect.x;
    else
        out_rect.x = in_rect.x + in_rect.width - scroll_arrow_hlength;
    out_rect.y = (in_rect.y + in_rect.height - 3 * gtk_widget_get_style(wxGTKPrivate::GetNotebookWidget())->ythickness - scroll_arrow_vlength) / 2;
    out_rect.width = scroll_arrow_hlength;
    out_rect.height = scroll_arrow_vlength;

    wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
    GdkWindow* window = impldc->GetGDKWindow();
    gtk_paint_arrow (gtk_widget_get_style(wxGTKPrivate::GetButtonWidget()), window, state, shadow, NULL, widget, "notebook",
                     arrow_type, TRUE, out_rect.x, out_rect.y, out_rect.width, out_rect.height);

    return out_rect;
}

void wxAuiGtkTabArt::DrawButton(wxDC& dc, wxWindow* wnd,
                            const wxRect& in_rect,
                            int bitmap_id,
                            int button_state,
                            int orientation,
                            wxRect* out_rect)
{
    GtkWidget *widget = wnd->GetHandle();
    wxRect rect = in_rect;
    if (m_flags &wxAUI_NB_BOTTOM)
        rect.y += 2 * gtk_widget_get_style(wxGTKPrivate::GetButtonWidget())->ythickness;

    switch (bitmap_id)
    {
        case wxAUI_BUTTON_CLOSE:
            rect.y -= 2 * gtk_widget_get_style(wxGTKPrivate::GetButtonWidget())->ythickness;
            rect = DrawCloseButton(dc, widget, button_state, rect, orientation, NULL);
            break;

        case wxAUI_BUTTON_LEFT:
            rect = DrawSimpleArrow(dc, widget, button_state, rect, orientation, GTK_ARROW_LEFT);
            break;

        case wxAUI_BUTTON_RIGHT:
            rect = DrawSimpleArrow(dc, widget, button_state, rect, orientation, GTK_ARROW_RIGHT);
            break;

        case wxAUI_BUTTON_WINDOWLIST:
            {
                rect.height -= 4 * gtk_widget_get_style(wxGTKPrivate::GetButtonWidget())->ythickness;
                rect.width = rect.height;
                rect.x = in_rect.x + in_rect.width - rect.width;

                if (button_state == wxAUI_BUTTON_STATE_HOVER)
                    wxRendererNative::Get().DrawComboBoxDropButton(wnd, dc, rect, wxCONTROL_CURRENT);
                else if (button_state == wxAUI_BUTTON_STATE_PRESSED)
                    wxRendererNative::Get().DrawComboBoxDropButton(wnd, dc, rect, wxCONTROL_PRESSED);
                else
                    wxRendererNative::Get().DrawDropArrow(wnd, dc, rect);
            }
            break;
    }

    *out_rect = rect;
}


int wxAuiGtkTabArt::GetBestTabCtrlSize(wxWindow* wnd,
                                   const wxAuiNotebookPageArray& pages,
                                   const wxSize& required_bmp_size)
{
    SetMeasuringFont(m_normalFont);
    SetSelectedFont(m_normalFont);
    int tab_height = 3 * gtk_widget_get_style(wxGTKPrivate::GetNotebookWidget())->ythickness + wxAuiGenericTabArt::GetBestTabCtrlSize(wnd, pages, required_bmp_size);
    return tab_height;
}

int wxAuiGtkTabArt::GetBorderWidth(wxWindow* wnd)
{
    return wxAuiGenericTabArt::GetBorderWidth(wnd) + wxMax(GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder,
                                                           GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder);
}

int wxAuiGtkTabArt::GetAdditionalBorderSpace(wxWindow* wnd)
{
    return 2 * GetBorderWidth(wnd);
}

wxSize wxAuiGtkTabArt::GetTabSize(wxDC& dc,
                              wxWindow* wnd,
                              const wxString& caption,
                              const wxBitmap& bitmap,
                              bool active,
                              int close_button_state,
                              int* x_extent)
{
    wxSize s = wxAuiGenericTabArt::GetTabSize(dc, wnd, caption, bitmap, active, close_button_state, x_extent);

    int overlap = 0;
    gtk_widget_style_get (wnd->GetHandle(),
        "focus-line-width", &overlap,
        NULL);
    *x_extent -= overlap;
    return s;
}
#endif  // wxUSE_AUI
Commit	Line	Data
	1	///////////////////////////////////////////////////////////////////////////////
	2	// Name: src/aui/tabartgtk.cpp
	3	// Purpose: implementation of the wxAuiGTKTabArt
	4	// Author: Jens Lody and Teodor Petrov
	5	// Modified by:
	6	// Created: 2012-03-23
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 2012 Jens Lody <jens@codeblocks.org>
	9	// and Teodor Petrov
	10	// Licence: wxWindows licence
	11	///////////////////////////////////////////////////////////////////////////////
	12
	13	// ============================================================================
	14	// declarations
	15	// ============================================================================
	16
	17	// ----------------------------------------------------------------------------
	18	// headers
	19	// ----------------------------------------------------------------------------
	20
	21	// For compilers that support precompilation, includes "wx.h".
	22	#include "wx/wxprec.h"
	23
	24	#ifdef __BORLANDC__
	25	#pragma hdrstop
	26	#endif
	27
	28	#if wxUSE_AUI
	29
	30	#ifndef WX_PRECOMP
	31	#include "wx/dc.h"
	32	#include "wx/dcclient.h"
	33	#include "wx/settings.h"
	34	#include "wx/image.h"
	35	#endif
	36
	37	#include "wx/gtk/dc.h"
	38	#include "wx/gtk/private.h"
	39
	40	#include <gtk/gtk.h>
	41
	42	#include "wx/aui/auibook.h"
	43	#include "wx/aui/tabartgtk.h"
	44	#include "wx/renderer.h"
	45
	46	namespace
	47	{
	48
	49	static int s_CloseIconSize = 16; // default size
	50
	51	}
	52
	53	wxAuiGtkTabArt::wxAuiGtkTabArt()
	54
	55	{
	56	}
	57
	58	wxAuiTabArt* wxAuiGtkTabArt::Clone()
	59	{
	60	wxAuiGtkTabArt* clone = new wxAuiGtkTabArt();
	61
	62	clone->SetNormalFont(m_normalFont);
	63	clone->SetSelectedFont(m_normalFont);
	64	clone->SetMeasuringFont(m_normalFont);
	65
	66	return clone;
	67	}
	68
	69	void wxAuiGtkTabArt::DrawBackground(wxDC& dc, wxWindow* WXUNUSED(wnd), const wxRect& rect)
	70	{
	71	wxGTKDCImpl impldc = (wxGTKDCImpl) dc.GetImpl();
	72	GdkWindow* window = impldc->GetGDKWindow();
	73
	74	gtk_style_apply_default_background(gtk_widget_get_style(wxGTKPrivate::GetNotebookWidget()),
	75	window,
	76	true,
	77	GTK_STATE_NORMAL,
	78	NULL,
	79	rect.x, rect.y, rect.width, rect.height);
	80	}
	81
	82	void wxAuiGtkTabArt::DrawBorder(wxDC& WXUNUSED(dc), wxWindow* wnd, const wxRect& rect)
	83	{
	84	int generic_border_width = wxAuiGenericTabArt::GetBorderWidth(wnd);
	85
	86	if (!wnd) return;
	87	if (!wnd->m_wxwindow) return;
	88	if (!gtk_widget_is_drawable(wnd->m_wxwindow)) return;
	89
	90	GtkStyle *style_notebook = gtk_widget_get_style(wxGTKPrivate::GetNotebookWidget());
	91
	92	gtk_paint_box(style_notebook, wnd->GTKGetDrawingWindow(), GTK_STATE_NORMAL, GTK_SHADOW_OUT,
	93	NULL, wnd->m_wxwindow,
	94	const_cast<char*>("notebook"),
	95	rect.x + generic_border_width + 1, rect.y + generic_border_width + 1,
	96	rect.width - (generic_border_width + 1), rect.height - (generic_border_width + 1));
	97	}
	98
	99	void ButtonStateAndShadow(int button_state, GtkStateType &state, GtkShadowType &shadow)
	100	{
	101
	102	if (button_state & wxAUI_BUTTON_STATE_DISABLED)
	103	{
	104	state = GTK_STATE_INSENSITIVE;
	105	shadow = GTK_SHADOW_ETCHED_IN;
	106	}
	107	else if (button_state & wxAUI_BUTTON_STATE_HOVER)
	108	{
	109	state = GTK_STATE_PRELIGHT;
	110	shadow = GTK_SHADOW_OUT;
	111	}
	112	else if (button_state & wxAUI_BUTTON_STATE_PRESSED)
	113	{
	114	state = GTK_STATE_ACTIVE;
	115	shadow = GTK_SHADOW_IN;
	116	}
	117	else
	118	{
	119	state = GTK_STATE_NORMAL;
	120	shadow = GTK_SHADOW_OUT;
	121	}
	122	}
	123
	124	wxRect DrawCloseButton(wxDC& dc,
	125	GtkWidget *widget,
	126	int button_state,
	127	wxRect const &in_rect,
	128	int orientation,
	129	GdkRectangle* clipRect)
	130	{
	131	GtkStyle *style_button = gtk_widget_get_style(wxGTKPrivate::GetButtonWidget());
	132	int xthickness = style_button->xthickness;
	133	int ythickness = style_button->ythickness;
	134
	135	wxBitmap bmp(gtk_widget_render_icon(widget, GTK_STOCK_CLOSE, GTK_ICON_SIZE_SMALL_TOOLBAR, "tab"));
	136
	137	if(bmp.GetWidth() != s_CloseIconSize \|\| bmp.GetHeight() != s_CloseIconSize)
	138	{
	139	wxImage img = bmp.ConvertToImage();
	140	img.Rescale(s_CloseIconSize, s_CloseIconSize);
	141	bmp = img;
	142	}
	143
	144	int button_size = s_CloseIconSize + 2 * xthickness;
	145
	146	wxRect out_rect;
	147
	148	if (orientation == wxLEFT)
	149	out_rect.x = in_rect.x - ythickness;
	150	else
	151	out_rect.x = in_rect.x + in_rect.width - button_size - ythickness;
	152
	153	out_rect.y = in_rect.y + (in_rect.height - button_size) / 2;
	154	out_rect.width = button_size;
	155	out_rect.height = button_size;
	156
	157	wxGTKDCImpl impldc = (wxGTKDCImpl) dc.GetImpl();
	158	GdkWindow* window = impldc->GetGDKWindow();
	159
	160	if (button_state == wxAUI_BUTTON_STATE_HOVER)
	161	{
	162	gtk_paint_box(style_button, window,
	163	GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, clipRect, widget, "button",
	164	out_rect.x, out_rect.y, out_rect.width, out_rect.height);
	165	}
	166	else if (button_state == wxAUI_BUTTON_STATE_PRESSED)
	167	{
	168	gtk_paint_box(style_button, window,
	169	GTK_STATE_ACTIVE, GTK_SHADOW_IN, clipRect, widget, "button",
	170	out_rect.x, out_rect.y, out_rect.width, out_rect.height);
	171	}
	172
	173
	174	dc.DrawBitmap(bmp, out_rect.x + xthickness, out_rect.y + ythickness, true);
	175
	176	return out_rect;
	177	}
	178
	179	void wxAuiGtkTabArt::DrawTab(wxDC& dc, wxWindow* wnd, const wxAuiNotebookPage& page,
	180	const wxRect& in_rect, int close_button_state, wxRect* out_tab_rect,
	181	wxRect* out_button_rect, int* x_extent)
	182	{
	183	GtkWidget *widget = wnd->GetHandle();
	184	GtkStyle *style_notebook = gtk_widget_get_style(wxGTKPrivate::GetNotebookWidget());
	185
	186	wxRect const &window_rect = wnd->GetRect();
	187
	188	int focus_width = 0;
	189
	190	gtk_widget_style_get(wxGTKPrivate::GetNotebookWidget(),
	191	"focus-line-width", &focus_width,
	192	NULL);
	193
	194	int tab_pos;
	195	if (m_flags &wxAUI_NB_BOTTOM)
	196	tab_pos = wxAUI_NB_BOTTOM;
	197	else //if (m_flags & wxAUI_NB_TOP) {}
	198	tab_pos = wxAUI_NB_TOP;
	199
	200	// TODO: else if (m_flags &wxAUI_NB_LEFT) {}
	201	// TODO: else if (m_flags &wxAUI_NB_RIGHT) {}
	202
	203	// figure out the size of the tab
	204	wxSize tab_size = GetTabSize(dc, wnd, page.caption, page.bitmap,
	205	page.active, close_button_state, x_extent);
	206
	207	wxRect tab_rect = in_rect;
	208	tab_rect.width = tab_size.x;
	209	tab_rect.height = tab_size.y;
	210	tab_rect.y += 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
	211
	212	if (page.active)
	213	tab_rect.height += 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
	214
	215	int gap_rect_height = 10 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
	216	int gap_rect_x = 1, gap_start = 0, gap_width = 0;
	217	int gap_rect_y = tab_rect.y - gap_rect_height;
	218	int gap_rect_width = window_rect.width;
	219
	220	switch (tab_pos)
	221	{
	222	case wxAUI_NB_TOP:
	223	tab_rect.y -= 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
	224	if (!page.active)
	225	tab_rect.y += 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
	226	gap_rect_y = tab_rect.y + tab_rect.height - GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder / 2;
	227	// fall through
	228	case wxAUI_NB_BOTTOM:
	229	gap_start = tab_rect.x - GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder / 2;
	230	gap_width = tab_rect.width;
	231	break;
	232	// TODO: case wxAUI_NB_LEFT: break;
	233	// TODO: case wxAUI_NB_RIGHT: break;
	234	}
	235	tab_rect.y += GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder / 2;
	236	gap_rect_y += GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder / 2;
	237
	238	int padding = focus_width + GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
	239
	240	int clip_width = tab_rect.width;
	241	if (tab_rect.x + tab_rect.width > in_rect.x + in_rect.width)
	242	clip_width = (in_rect.x + in_rect.width) - tab_rect.x;
	243
	244	dc.SetClippingRegion(tab_rect.x, tab_rect.y - GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder, clip_width, tab_rect.height + GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder);
	245
	246	GdkRectangle area;
	247	area.x = tab_rect.x - GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder;
	248	area.y = tab_rect.y - 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
	249	area.width = clip_width + GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder;
	250	area.height = tab_rect.height + 2 * GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder;
	251
	252	wxGTKDCImpl impldc = (wxGTKDCImpl) dc.GetImpl();
	253	GdkWindow* window = impldc->GetGDKWindow();
	254
	255	// Before drawing the active tab itself, draw a box without border, because some themes
	256	// have transparent gaps and a line would be visible at the bottom of the tab
	257	if (page.active)
	258	gtk_paint_box(style_notebook, window, GTK_STATE_NORMAL, GTK_SHADOW_NONE,
	259	NULL, widget,
	260	const_cast<char*>("notebook"),
	261	gap_rect_x, gap_rect_y,
	262	gap_rect_width, gap_rect_height);
	263
	264	if (tab_pos == wxAUI_NB_BOTTOM)
	265	{
	266	if (page.active)
	267	{
	268	gtk_paint_box_gap(style_notebook, window, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
	269	NULL, widget,
	270	const_cast<char*>("notebook"),
	271	gap_rect_x, gap_rect_y,
	272	gap_rect_width, gap_rect_height,
	273	GTK_POS_BOTTOM, gap_start , gap_width);
	274	}
	275	gtk_paint_extension(style_notebook, window,
	276	page.active ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE, GTK_SHADOW_OUT,
	277	&area, widget,
	278	const_cast<char*>("tab"),
	279	tab_rect.x, tab_rect.y,
	280	tab_rect.width, tab_rect.height,
	281	GTK_POS_TOP);
	282	}
	283	else
	284	{
	285	if (page.active)
	286	{
	287	gtk_paint_box_gap(style_notebook, window, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
	288	NULL, widget,
	289	const_cast<char*>("notebook"),
	290	gap_rect_x, gap_rect_y,
	291	gap_rect_width, gap_rect_height,
	292	GTK_POS_TOP, gap_start , gap_width);
	293	}
	294	gtk_paint_extension(style_notebook, window,
	295	page.active ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE, GTK_SHADOW_OUT,
	296	&area, widget,
	297	const_cast<char*>("tab"),
	298	tab_rect.x, tab_rect.y,
	299	tab_rect.width, tab_rect.height,
	300	GTK_POS_BOTTOM);
	301	}
	302
	303	// After drawing the inactive tab itself, draw a box with the same dimensions as the gap-box,
	304	// otherwise we don't get a gap-box, if the active tab is invisible
	305	if (!page.active)
	306	gtk_paint_box(style_notebook, window, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
	307	NULL, widget,
	308	const_cast<char*>("notebook"),
	309	gap_rect_x, gap_rect_y,
	310	gap_rect_width, gap_rect_height);
	311
	312	wxCoord textX = tab_rect.x + padding + style_notebook->xthickness;
	313
	314	int bitmap_offset = 0;
	315	if (page.bitmap.IsOk())
	316	{
	317	bitmap_offset = textX;
	318
	319	// draw bitmap
	320	int bitmapY = tab_rect.y +(tab_rect.height - page.bitmap.GetHeight()) / 2;
	321	if(!page.active)
	322	{
	323	if (tab_pos == wxAUI_NB_TOP)
	324	bitmapY += style_notebook->ythickness / 2;
	325	else
	326	bitmapY -= style_notebook->ythickness / 2;
	327	}
	328	dc.DrawBitmap(page.bitmap,
	329	bitmap_offset,
	330	bitmapY,
	331	true);
	332
	333	textX += page.bitmap.GetWidth() + padding;
	334	}
	335
	336	wxCoord textW, textH, textY;
	337
	338	dc.SetFont(m_normalFont);
	339	dc.GetTextExtent(page.caption, &textW, &textH);
	340	textY = tab_rect.y + (tab_rect.height - textH) / 2;
	341	if(!page.active)
	342	{
	343	if (tab_pos == wxAUI_NB_TOP)
	344	textY += style_notebook->ythickness / 2;
	345	else
	346	textY -= style_notebook->ythickness / 2;
	347	}
	348
	349	// draw tab text
	350	GdkColor text_colour = page.active ? style_notebook->fg[GTK_STATE_NORMAL] : style_notebook->fg[GTK_STATE_ACTIVE];
	351	dc.SetTextForeground(wxColor(text_colour));
	352	GdkRectangle focus_area;
	353
	354	int padding_focus = padding - focus_width;
	355	focus_area.x = tab_rect.x + padding_focus;
	356	focus_area.y = textY - focus_width;
	357	focus_area.width = tab_rect.width - 2 * padding_focus;
	358	focus_area.height = textH + 2 * focus_width;
	359
	360	if(page.active && (wnd->FindFocus() == wnd) && focus_area.x <= (area.x + area.width))
	361	{
	362	// clipping seems not to work here, so we we have to recalc the focus-area manually
	363	if((focus_area.x + focus_area.width) > (area.x + area.width))
	364	focus_area.width = area.x + area.width - focus_area.x + focus_width - GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder;
	365	gtk_paint_focus (style_notebook, window,
	366	GTK_STATE_ACTIVE, NULL, widget, "tab",
	367	focus_area.x, focus_area.y, focus_area.width, focus_area.height);
	368	}
	369
	370	dc.DrawText(page.caption, textX, textY);
	371
	372	// draw close-button on tab (if enabled)
	373	if (close_button_state != wxAUI_BUTTON_STATE_HIDDEN)
	374	{
	375	wxRect rect(tab_rect.x, tab_rect.y, tab_rect.width - style_notebook->xthickness, tab_rect.height);
	376	if(!page.active)
	377	{
	378	if (tab_pos == wxAUI_NB_TOP)
	379	rect.y += style_notebook->ythickness / 2;
	380	else
	381	rect.y -= style_notebook->ythickness / 2;
	382	}
	383	*out_button_rect = DrawCloseButton(dc, widget, close_button_state, rect, wxRIGHT, &area);
	384	}
	385
	386	if ( clip_width < tab_rect.width )
	387	tab_rect.width = clip_width;
	388	*out_tab_rect = tab_rect;
	389
	390	dc.DestroyClippingRegion();
	391	}
	392
	393	wxRect DrawSimpleArrow(wxDC& dc,
	394	GtkWidget *widget,
	395	int button_state,
	396	wxRect const &in_rect,
	397	int orientation,
	398	GtkArrowType arrow_type)
	399	{
	400	int scroll_arrow_hlength, scroll_arrow_vlength;
	401	gtk_widget_style_get(widget,
	402	"scroll-arrow-hlength", &scroll_arrow_hlength,
	403	"scroll-arrow-vlength", &scroll_arrow_vlength,
	404	NULL);
	405
	406	GtkStateType state;
	407	GtkShadowType shadow;
	408	ButtonStateAndShadow(button_state, state, shadow);
	409
	410	wxRect out_rect;
	411
	412	if (orientation == wxLEFT)
	413	out_rect.x = in_rect.x;
	414	else
	415	out_rect.x = in_rect.x + in_rect.width - scroll_arrow_hlength;
	416	out_rect.y = (in_rect.y + in_rect.height - 3 * gtk_widget_get_style(wxGTKPrivate::GetNotebookWidget())->ythickness - scroll_arrow_vlength) / 2;
	417	out_rect.width = scroll_arrow_hlength;
	418	out_rect.height = scroll_arrow_vlength;
	419
	420	wxGTKDCImpl impldc = (wxGTKDCImpl) dc.GetImpl();
	421	GdkWindow* window = impldc->GetGDKWindow();
	422	gtk_paint_arrow (gtk_widget_get_style(wxGTKPrivate::GetButtonWidget()), window, state, shadow, NULL, widget, "notebook",
	423	arrow_type, TRUE, out_rect.x, out_rect.y, out_rect.width, out_rect.height);
	424
	425	return out_rect;
	426	}
	427
	428	void wxAuiGtkTabArt::DrawButton(wxDC& dc, wxWindow* wnd,
	429	const wxRect& in_rect,
	430	int bitmap_id,
	431	int button_state,
	432	int orientation,
	433	wxRect* out_rect)
	434	{
	435	GtkWidget *widget = wnd->GetHandle();
	436	wxRect rect = in_rect;
	437	if (m_flags &wxAUI_NB_BOTTOM)
	438	rect.y += 2 * gtk_widget_get_style(wxGTKPrivate::GetButtonWidget())->ythickness;
	439
	440	switch (bitmap_id)
	441	{
	442	case wxAUI_BUTTON_CLOSE:
	443	rect.y -= 2 * gtk_widget_get_style(wxGTKPrivate::GetButtonWidget())->ythickness;
	444	rect = DrawCloseButton(dc, widget, button_state, rect, orientation, NULL);
	445	break;
	446
	447	case wxAUI_BUTTON_LEFT:
	448	rect = DrawSimpleArrow(dc, widget, button_state, rect, orientation, GTK_ARROW_LEFT);
	449	break;
	450
	451	case wxAUI_BUTTON_RIGHT:
	452	rect = DrawSimpleArrow(dc, widget, button_state, rect, orientation, GTK_ARROW_RIGHT);
	453	break;
	454
	455	case wxAUI_BUTTON_WINDOWLIST:
	456	{
	457	rect.height -= 4 * gtk_widget_get_style(wxGTKPrivate::GetButtonWidget())->ythickness;
	458	rect.width = rect.height;
	459	rect.x = in_rect.x + in_rect.width - rect.width;
	460
	461	if (button_state == wxAUI_BUTTON_STATE_HOVER)
	462	wxRendererNative::Get().DrawComboBoxDropButton(wnd, dc, rect, wxCONTROL_CURRENT);
	463	else if (button_state == wxAUI_BUTTON_STATE_PRESSED)
	464	wxRendererNative::Get().DrawComboBoxDropButton(wnd, dc, rect, wxCONTROL_PRESSED);
	465	else
	466	wxRendererNative::Get().DrawDropArrow(wnd, dc, rect);
	467	}
	468	break;
	469	}
	470
	471	*out_rect = rect;
	472	}
	473
	474
	475	int wxAuiGtkTabArt::GetBestTabCtrlSize(wxWindow* wnd,
	476	const wxAuiNotebookPageArray& pages,
	477	const wxSize& required_bmp_size)
	478	{
	479	SetMeasuringFont(m_normalFont);
	480	SetSelectedFont(m_normalFont);
	481	int tab_height = 3 * gtk_widget_get_style(wxGTKPrivate::GetNotebookWidget())->ythickness + wxAuiGenericTabArt::GetBestTabCtrlSize(wnd, pages, required_bmp_size);
	482	return tab_height;
	483	}
	484
	485	int wxAuiGtkTabArt::GetBorderWidth(wxWindow* wnd)
	486	{
	487	return wxAuiGenericTabArt::GetBorderWidth(wnd) + wxMax(GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_hborder,
	488	GTK_NOTEBOOK (wxGTKPrivate::GetNotebookWidget())->tab_vborder);
	489	}
	490
	491	int wxAuiGtkTabArt::GetAdditionalBorderSpace(wxWindow* wnd)
	492	{
	493	return 2 * GetBorderWidth(wnd);
	494	}
	495
	496	wxSize wxAuiGtkTabArt::GetTabSize(wxDC& dc,
	497	wxWindow* wnd,
	498	const wxString& caption,
	499	const wxBitmap& bitmap,
	500	bool active,
	501	int close_button_state,
	502	int* x_extent)
	503	{
	504	wxSize s = wxAuiGenericTabArt::GetTabSize(dc, wnd, caption, bitmap, active, close_button_state, x_extent);
	505
	506	int overlap = 0;
	507	gtk_widget_style_get (wnd->GetHandle(),
	508	"focus-line-width", &overlap,
	509	NULL);
	510	*x_extent -= overlap;
	511	return s;
	512	}
	513	#endif // wxUSE_AUI