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wxWidgets/src/aui/tabartgtk.cpp

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///////////////////////////////////////////////////////////////////////////////
// Name: src/aui/tabartgtk.cpp
// Purpose: implementation of the wxAuiGTKTabArt
// Author: Jens Lody and Teodor Petrov
// Modified by:
// Created: 2012-03-23
// 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.GetScaledWidth() != s_CloseIconSize || bmp.GetScaledHeight() != 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.GetScaledHeight()) / 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.GetScaledWidth() + 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