// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation
#endif
#include "wx/dcmemory.h"
#include "wx/menu.h"
#include "wx/utils.h"
- #include "wx/module.h"
#endif
#include "wx/settings.h"
#include "wx/ownerdrw.h"
#include "wx/menuitem.h"
#include "wx/fontutil.h"
+#include "wx/module.h"
#if wxUSE_OWNER_DRAWN
+#ifndef SPI_GETKEYBOARDCUES
+#define SPI_GETKEYBOARDCUES 0x100A
+#endif
+
class wxMSWSystemMenuFontModule : public wxModule
{
public:
#if defined(__WXMSW__) && defined(__WIN32__) && defined(SM_CXMENUCHECK)
NONCLIENTMETRICS nm;
nm.cbSize = sizeof(NONCLIENTMETRICS);
- SystemParametersInfo(SPI_GETNONCLIENTMETRICS,0,&nm,0);
+ SystemParametersInfo(SPI_GETNONCLIENTMETRICS,0,&nm,0);
ms_systemMenuButtonWidth = nm.iMenuHeight;
ms_systemMenuHeight = nm.iMenuHeight;
wxNativeFontInfo info;
memcpy(&info.lf, &nm.lfMenuFont, sizeof(LOGFONT));
ms_systemMenuFont->Create(info);
+
+ if (SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &ms_showCues, 0) == 0)
+ ms_showCues = true;
#endif
return true;
static wxFont* ms_systemMenuFont;
static int ms_systemMenuButtonWidth; // windows clean install default
static int ms_systemMenuHeight; // windows clean install default
+ static bool ms_showCues;
private:
DECLARE_DYNAMIC_CLASS(wxMSWSystemMenuFontModule)
};
-// these static variables are by the wxMSWSystemMenuFontModule object
+// these static variables are from the wxMSWSystemMenuFontModule object
// and reflect the system settings returned by the Win32 API's
// SystemParametersInfo() call.
wxFont* wxMSWSystemMenuFontModule::ms_systemMenuFont = NULL;
int wxMSWSystemMenuFontModule::ms_systemMenuButtonWidth = 18; // windows clean install default
int wxMSWSystemMenuFontModule::ms_systemMenuHeight = 18; // windows clean install default
+bool wxMSWSystemMenuFontModule::ms_showCues = true;
IMPLEMENT_DYNAMIC_CLASS(wxMSWSystemMenuFontModule, wxModule)
+
+// temporary hack to implement wxOwnerDrawn::IsMenuItem() without breaking
+// backwards compatibility
+#if wxCHECK_VERSION(2, 7, 0)
+ #pragma warning "TODO: remove gs_menuItems hack"
+#endif
+
+// VC++ 6 gives a warning here:
+//
+// return type for 'OwnerDrawnSet_wxImplementation_HashTable::iterator::
+// operator ->' is 'class wxOwnerDrawn ** ' (ie; not a UDT or reference to
+// a UDT. Will produce errors if applied using infix notation.
+//
+// shut it down
+#ifdef __VISUALC__
+ #if __VISUALC__ <= 1300
+ #pragma warning(push)
+ #pragma warning(disable: 4284)
+ #define POP_WARNINGS
+ #endif
+#endif
+
+#include "wx/hashset.h"
+WX_DECLARE_HASH_SET(wxOwnerDrawn*, wxPointerHash, wxPointerEqual, OwnerDrawnSet);
+
+#ifdef POP_WARNINGS
+ #pragma warning(pop)
+#endif
+
+static OwnerDrawnSet gs_menuItems;
+
// ============================================================================
// implementation of wxOwnerDrawn class
// ============================================================================
// ctor
// ----
wxOwnerDrawn::wxOwnerDrawn(const wxString& str,
- bool bCheckable, bool bMenuItem)
+ bool bCheckable,
+ bool bMenuItem)
: m_strName(str)
{
- // get the default menu height and font from the system
- NONCLIENTMETRICS nm;
- nm.cbSize = sizeof (NONCLIENTMETRICS);
- SystemParametersInfo (SPI_GETNONCLIENTMETRICS,0,&nm,0);
- m_nMinHeight = nm.iMenuHeight;
-
- // nm.iMenuWidth is the system default for the width of
- // menu icons and checkmarks
if (ms_nDefaultMarginWidth == 0)
{
- ms_nDefaultMarginWidth = wxMSWSystemMenuFontModule::ms_systemMenuButtonWidth;
- ms_nLastMarginWidth = wxMSWSystemMenuFontModule::ms_systemMenuButtonWidth;
- }
-
- if (wxMSWSystemMenuFontModule::ms_systemMenuFont->Ok() && bMenuItem)
- {
- m_font = *wxMSWSystemMenuFontModule::ms_systemMenuFont;
- }
- else
- {
- m_font = *wxNORMAL_FONT;
+ ms_nDefaultMarginWidth = ::GetSystemMetrics(SM_CXMENUCHECK) +
+ wxSystemSettings::GetMetric(wxSYS_EDGE_X);
+ ms_nLastMarginWidth = ms_nDefaultMarginWidth;
}
m_bCheckable = bCheckable;
- m_bOwnerDrawn = FALSE;
+ m_bOwnerDrawn = false;
m_nHeight = 0;
m_nMarginWidth = ms_nLastMarginWidth;
m_nMinHeight = wxMSWSystemMenuFontModule::ms_systemMenuHeight;
+
+ m_bmpDisabled = wxNullBitmap;
+
+ // TODO: we can't add new m_isMenuItem field in 2.6, so we use this hack
+ // with the map, but do add m_isMenuItem in 2.7
+ if ( bMenuItem )
+ {
+ gs_menuItems.insert(this);
+ }
+}
+
+wxOwnerDrawn::~wxOwnerDrawn()
+{
+ // TODO: remove this in 2.7
+ gs_menuItems.erase(this);
+}
+
+bool wxOwnerDrawn::IsMenuItem() const
+{
+ // TODO: in 2.7, replace this with simple "return m_isMenuItem"
+ return gs_menuItems.count(this) == 1;
}
// these items will be set during the first invocation of the c'tor,
// because the values will be determined by checking the system settings,
-// which is a chunk of code
+// which is a chunk of code
size_t wxOwnerDrawn::ms_nDefaultMarginWidth = 0;
size_t wxOwnerDrawn::ms_nLastMarginWidth = 0;
// drawing
// -------
+wxFont wxOwnerDrawn::GetFontToUse() const
+{
+ wxFont font = m_font;
+ if ( !font.Ok() )
+ {
+ if ( IsMenuItem() )
+ font = *wxMSWSystemMenuFontModule::ms_systemMenuFont;
+
+ if ( !font.Ok() )
+ font = *wxNORMAL_FONT;
+ }
+
+ return font;
+}
+
// get size of the item
// The item size includes the menu string, the accel string,
// the bitmap and size for a submenu expansion arrow...
bool wxOwnerDrawn::OnMeasureItem(size_t *pwidth, size_t *pheight)
{
- wxMemoryDC dc;
-
- wxString str = wxStripMenuCodes(m_strName);
+ if ( IsOwnerDrawn() )
+ {
+ wxMemoryDC dc;
- // if we have a valid accel string, then pad out
- // the menu string so the menu and accel string are not
- // placed ontop of eachother.
- if ( !m_strAccel.empty() )
- {
- str.Pad(str.Length()%8);
- str += m_strAccel;
- }
+ wxString str = wxStripMenuCodes(m_strName);
- if (m_font.Ok())
- dc.SetFont(GetFont());
+ // if we have a valid accel string, then pad out
+ // the menu string so that the menu and accel string are not
+ // placed on top of each other.
+ if ( !m_strAccel.empty() )
+ {
+ str.Pad(str.Length()%8);
+ str += m_strAccel;
+ }
- dc.GetTextExtent(str, (long *)pwidth, (long *)pheight);
+ dc.SetFont(GetFontToUse());
- if (!m_strAccel.IsEmpty())
- {
- // measure the accelerator string, and add it's width to
- // the total item width, plus 16 (Accelerators are right justified,
- // with the right edge of the text rectangle 16 pixels left of
- // the right edge of the menu)
-
- int accel_width, accel_height;
- dc.GetTextExtent(m_strAccel, &accel_width, &accel_height);
- *pwidth += accel_width;
- }
+ dc.GetTextExtent(str, (long *)pwidth, (long *)pheight);
- // add space at the end of the menu for the submenu expansion arrow
- // this will also allow offsetting the accel string from the right edge
- *pwidth += (size_t) (GetDefaultMarginWidth() * 1.5);
+ // add space at the end of the menu for the submenu expansion arrow
+ // this will also allow offsetting the accel string from the right edge
+ *pwidth += GetMarginWidth() + 16;
+ }
+ else // don't draw the text, just the bitmap (if any)
+ {
+ *pwidth =
+ *pheight = 0;
+ }
- // JACS: items still look too tightly packed, so adding 5 pixels.
- (*pheight) = (*pheight) + 5;
+ // increase size to accommodate bigger bitmaps if necessary
+ if (m_bmpChecked.Ok())
+ {
+ // Is BMP height larger then text height?
+ size_t adjustedHeight = m_bmpChecked.GetHeight() +
+ 2*wxSystemSettings::GetMetric(wxSYS_EDGE_Y);
+ if (*pheight < adjustedHeight)
+ *pheight = adjustedHeight;
+
+ const size_t widthBmp = m_bmpChecked.GetWidth();
+ if ( IsOwnerDrawn() )
+ {
+ // widen the margin to fit the bitmap if necessary
+ if ((size_t)GetMarginWidth() < widthBmp)
+ SetMarginWidth(widthBmp);
+ }
+ else // we must allocate enough space for the bitmap
+ {
+ *pwidth += widthBmp;
+ }
+ }
- // Ray Gilbert's changes - Corrects the problem of a BMP
- // being placed next to text in a menu item, and the BMP does
- // not match the size expected by the system. This will
- // resize the space so the BMP will fit. Without this, BMPs
- // must be no larger or smaller than 16x16.
- if (m_bmpChecked.Ok())
- {
- // Is BMP height larger then text height?
- size_t adjustedHeight = m_bmpChecked.GetHeight() +
- wxSystemSettings::GetMetric(wxSYS_EDGE_Y);
- if (*pheight < adjustedHeight)
- *pheight = adjustedHeight;
-
- // Does BMP encroach on default check menu position?
- size_t adjustedWidth = m_bmpChecked.GetWidth() +
- (wxSystemSettings::GetMetric(wxSYS_EDGE_X) * 2);
-// if (ms_nDefaultMarginWidth < adjustedWidth)
-// *pwidth += adjustedWidth - ms_nDefaultMarginWidth;
-
- // Do we need to widen margin to fit BMP?
- if ((size_t)GetMarginWidth() != adjustedWidth)
- SetMarginWidth(adjustedWidth);
-
- // add the size of the bitmap to our total size...
- *pwidth += GetMarginWidth();
- }
+ // add a 4-pixel separator, otherwise menus look cluttered
+ *pwidth += 4;
- // add the size of the bitmap to our total size - even if we don't have
- // a bitmap we leave room for one...
- *pwidth += GetMarginWidth();
-
- // make sure that this item is at least as
- // tall as the user's system settings specify
- if (*pheight < m_nMinHeight)
- *pheight = m_nMinHeight;
+ // make sure that this item is at least as tall as the system menu height
+ if ( *pheight < m_nMinHeight )
+ *pheight = m_nMinHeight;
- m_nHeight = *pheight; // remember height for use in OnDrawItem
+ // remember height for use in OnDrawItem
+ m_nHeight = *pheight;
- return TRUE;
+ return true;
}
-// searching for this macro you'll find all the code where I'm using the native
-// Win32 GDI functions and not wxWindows ones. Might help to whoever decides to
-// port this code to X. (VZ)
-
-// JACS: TODO. Why does a disabled but highlighted item still
-// get drawn embossed? How can we tell DrawState that we don't want the
-// embossing?
-
-#if defined(__WIN32__) && !defined(__SYMANTEC__) && !defined(__TWIN32__)
-#define O_DRAW_NATIVE_API // comments below explain why I use it
-#endif
-
// draw the item
bool wxOwnerDrawn::OnDrawItem(wxDC& dc,
const wxRect& rc,
{
// we do nothing on focus change
if ( act == wxODFocusChanged )
- return TRUE;
+ return true;
- // wxColor <-> RGB
- #define ToRGB(col) PALETTERGB(col.Red(), col.Green(), col.Blue())
- #define UnRGB(col) GetRValue(col), GetGValue(col), GetBValue(col)
+
+ // this flag determines whether or not an edge will
+ // be drawn around the bitmap. In most "windows classic"
+ // applications, a 1-pixel highlight edge is drawn around
+ // the bitmap of an item when it is selected. However,
+ // with the new "luna" theme, no edge is drawn around
+ // the bitmap because the background is white (this applies
+ // only to "non-XP style" menus w/ bitmaps --
+ // see IE 6 menus for an example)
+
+ bool draw_bitmap_edge = true;
// set the colors
// --------------
}
else {
// fall back to default colors if none explicitly specified
- colBack = m_colBack.Ok() ? ToRGB(m_colBack) : GetSysColor(COLOR_WINDOW);
- colText = m_colText.Ok() ? ToRGB(m_colText) : GetSysColor(COLOR_WINDOWTEXT);
+ colBack = m_colBack.Ok() ? wxColourToPalRGB(m_colBack)
+ : GetSysColor(COLOR_MENU);
+ colText = m_colText.Ok() ? wxColourToPalRGB(m_colText)
+ : GetSysColor(COLOR_MENUTEXT);
+ }
+
+ if ( IsOwnerDrawn() )
+ {
+ // don't draw an edge around the bitmap, if background is white ...
+ DWORD menu_bg_color = GetSysColor(COLOR_MENU);
+ if ( ( GetRValue( menu_bg_color ) >= 0xf0 &&
+ GetGValue( menu_bg_color ) >= 0xf0 &&
+ GetBValue( menu_bg_color ) >= 0xf0 )
+ )
+ {
+ draw_bitmap_edge = false;
+ }
+ }
+ else // edge doesn't look well with default Windows drawing
+ {
+ draw_bitmap_edge = false;
}
- #ifdef O_DRAW_NATIVE_API
- #define hdc (HDC)dc.GetHDC()
- COLORREF colOldText = ::SetTextColor(hdc, colText),
- colOldBack = ::SetBkColor(hdc, colBack);
- #else
- dc.SetTextForeground(wxColor(UnRGB(colText)));
- dc.SetTextBackground(wxColor(UnRGB(colBack)));
- #endif
+
+ HDC hdc = GetHdcOf(dc);
+ COLORREF colOldText = ::SetTextColor(hdc, colText),
+ colOldBack = ::SetBkColor(hdc, colBack);
+
+ // *2, as in wxSYS_EDGE_Y
+ int margin = GetMarginWidth() + 2 * wxSystemSettings::GetMetric(wxSYS_EDGE_X);
// select the font and draw the text
// ---------------------------------
// determine where to draw and leave space for a check-mark.
- // Add 3 pixel padding so text appears well within highlight rectangle
- int x = rc.x + GetMarginWidth() + 3;
+ // + 1 pixel to separate the edge from the highlight rectangle
+ int xText = rc.x + margin + 1;
- // using native API because it reckognizes '&'
- #ifdef O_DRAW_NATIVE_API
+ // using native API because it recognizes '&'
+ if ( IsOwnerDrawn() )
+ {
int nPrevMode = SetBkMode(hdc, TRANSPARENT);
- HBRUSH hbr = CreateSolidBrush(colBack),
- hPrevBrush = (HBRUSH)SelectObject(hdc, hbr);
+ AutoHBRUSH hbr(colBack);
+ SelectInHDC selBrush(hdc, hbr);
- RECT rectFill = { rc.GetLeft(), rc.GetTop(), rc.GetRight()+1, rc.GetBottom() };
+ RECT rectFill = { rc.GetLeft(), rc.GetTop(),
+ rc.GetRight() + 1, rc.GetBottom() + 1 };
- if ( st & wxODSelected && m_bmpChecked.Ok()) {
+ if ( (st & wxODSelected) && m_bmpChecked.Ok() && draw_bitmap_edge ) {
// only draw the highlight under the text, not under
- // the bitmap or checkmark; leave a 1-pixel gap.
- rectFill.left = GetMarginWidth() + 1;
+ // the bitmap or checkmark
+ rectFill.left = xText;
}
FillRect(hdc, &rectFill, hbr);
// use default font if no font set
- HFONT hfont;
- if ( m_font.Ok() ) {
- m_font.RealizeResource();
- hfont = (HFONT)m_font.GetResourceHandle();
- }
- else {
- hfont = (HFONT)::GetStockObject(SYSTEM_FONT);
- }
-
- HFONT hPrevFont = (HFONT) ::SelectObject(hdc, hfont);
+ wxFont fontToUse = GetFontToUse();
+ SelectInHDC selFont(hdc, GetHfontOf(fontToUse));
wxString strMenuText = m_strName.BeforeFirst('\t');
+ xText += 3; // separate text from the highlight rectangle
+
SIZE sizeRect;
- GetTextExtentPoint32(hdc,strMenuText.c_str(), strMenuText.Length(),&sizeRect);
+ ::GetTextExtentPoint32(hdc, strMenuText.c_str(), strMenuText.Length(), &sizeRect);
::DrawState(hdc, NULL, NULL,
(LPARAM)strMenuText.c_str(), strMenuText.length(),
- x, rc.y+( (int) ((rc.GetHeight()-sizeRect.cy)/2.0) )-1, // centre text vertically
- rc.GetWidth()-GetMarginWidth(), sizeRect.cy,
+ xText, rc.y + (int) ((rc.GetHeight()-sizeRect.cy)/2.0), // centre text vertically
+ rc.GetWidth()-margin, sizeRect.cy,
DST_PREFIXTEXT |
- (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
+ (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0) |
+ (((st & wxODHidePrefix) && !wxMSWSystemMenuFontModule::ms_showCues) ? 512 : 0)); // 512 == DSS_HIDEPREFIX
+ // ::SetTextAlign(hdc, TA_RIGHT) doesn't work with DSS_DISABLED or DSS_MONO
+ // as the last parameter in DrawState() (at least with Windows98). So we have
+ // to take care of right alignment ourselves.
if ( !m_strAccel.empty() )
{
- // right align accel string with right edge of menu ( offset by the margin width )
- ::SetTextAlign(hdc, TA_RIGHT);
+ int accel_width, accel_height;
+ dc.GetTextExtent(m_strAccel, &accel_width, &accel_height);
+ // right align accel string with right edge of menu ( offset by the
+ // margin width )
::DrawState(hdc, NULL, NULL,
- (LPARAM)m_strAccel.c_str(), m_strAccel.length(),
- rc.GetWidth()-(GetMarginWidth()), rc.y+(int) ((rc.GetHeight()-sizeRect.cy)/2.0),
- rc.GetWidth()-GetMarginWidth(), sizeRect.cy,
- DST_TEXT |
- (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
- ::SetTextAlign(hdc, TA_LEFT);
+ (LPARAM)m_strAccel.c_str(), m_strAccel.length(),
+ rc.GetWidth()-16-accel_width, rc.y+(int) ((rc.GetHeight()-sizeRect.cy)/2.0),
+ 0, 0,
+ DST_TEXT |
+ (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
}
- (void)SelectObject(hdc, hPrevBrush);
- (void)SelectObject(hdc, hPrevFont);
(void)SetBkMode(hdc, nPrevMode);
+ }
- DeleteObject(hbr);
- #else
- dc.SetFont(GetFont());
- dc.DrawText(wxStripMenuCodes(m_strName), x, rc.y);
- #endif //O_DRAW_NATIVE_API
// draw the bitmap
// ---------------
if ( IsCheckable() && !m_bmpChecked.Ok() ) {
if ( st & wxODChecked ) {
- // using native APIs for performance and simplicity
-#ifdef O_DRAW_NATIVE_API
// what goes on: DrawFrameControl creates a b/w mask,
// then we copy it to screen to have right colors
// first create a monochrome bitmap in a memory DC
HDC hdcMem = CreateCompatibleDC(hdc);
- HBITMAP hbmpCheck = CreateBitmap(GetMarginWidth(), m_nHeight, 1, 1, 0);
+ HBITMAP hbmpCheck = CreateBitmap(margin, m_nHeight, 1, 1, 0);
SelectObject(hdcMem, hbmpCheck);
// then draw a check mark into it
- RECT rect = { 0, 0, GetMarginWidth(), m_nHeight };
+ RECT rect = { 0, 0, margin, m_nHeight };
if ( m_nHeight > 0 )
{
::DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK);
}
// finally copy it to screen DC and clean up
- BitBlt(hdc, rc.x, rc.y, GetMarginWidth(), m_nHeight,
+ BitBlt(hdc, rc.x, rc.y, margin, m_nHeight,
hdcMem, 0, 0, SRCCOPY);
DeleteDC(hdcMem);
DeleteObject(hbmpCheck);
-#else
- // #### to do: perhaps using Marlett font (create equiv. font under X)
-// wxFAIL("not implemented");
-#endif //O_DRAW_NATIVE_API
}
}
else {
- // for uncheckable item we use only the 'checked' bitmap
- wxBitmap bmp(GetBitmap(IsCheckable() ? ((st & wxODChecked) != 0) : TRUE));
+ wxBitmap bmp;
+
+ if ( st & wxODDisabled )
+ {
+ bmp = GetDisabledBitmap();
+ }
+
+ if ( !bmp.Ok() )
+ {
+ // for not checkable bitmaps we should always use unchecked one because
+ // their checked bitmap is not set
+ bmp = GetBitmap(!IsCheckable() || (st & wxODChecked));
+ }
+
if ( bmp.Ok() ) {
wxMemoryDC dcMem(&dc);
dcMem.SelectObject(bmp);
int nBmpWidth = bmp.GetWidth(),
nBmpHeight = bmp.GetHeight();
- // there should be enough place!
+ // there should be enough space!
wxASSERT((nBmpWidth <= rc.GetWidth()) && (nBmpHeight <= rc.GetHeight()));
int heightDiff = m_nHeight - nBmpHeight;
- dc.Blit(rc.x + (GetMarginWidth() - nBmpWidth) / 2,
+ dc.Blit(rc.x + (margin - nBmpWidth) / 2,
rc.y + heightDiff / 2,
nBmpWidth, nBmpHeight,
- &dcMem, 0, 0, wxCOPY, TRUE /* use mask */);
+ &dcMem, 0, 0, wxCOPY, true /* use mask */);
- if ( st & wxODSelected ) {
- #ifdef O_DRAW_NATIVE_API
+ if ( ( st & wxODSelected ) && !( st & wxODDisabled ) && draw_bitmap_edge ) {
RECT rectBmp = { rc.GetLeft(), rc.GetTop(),
- rc.GetLeft() + GetMarginWidth(),
- rc.GetTop() + m_nHeight-1 };
+ rc.GetLeft() + margin,
+ rc.GetTop() + m_nHeight };
SetBkColor(hdc, colBack);
- DrawEdge(hdc, &rectBmp, EDGE_RAISED, BF_SOFT | BF_RECT);
- #else
- int x1, y1, x2, y2;
- x1 = rc.x;
- y1 = rc.y;
- x2 = x1 + GetMarginWidth() - 1;
- y2 = y1 + m_nHeight - 1;
-
- dc.SetPen(*wxWHITE_PEN);
- dc.DrawLine(x1, y1, x2, y1);
- dc.DrawLine(x1, y1, x1, y2);
- dc.SetPen(*wxGREY_PEN);
- dc.DrawLine(x1, y2-1, x2, y2-1);
- dc.DrawLine(x2, y1, x2, y2);
- #endif //O_DRAW_NATIVE_API
+
+ DrawEdge(hdc, &rectBmp, BDR_RAISEDINNER, BF_RECT);
}
}
}
- #ifdef O_DRAW_NATIVE_API
- ::SetTextColor(hdc, colOldText);
- ::SetBkColor(hdc, colOldBack);
-
- #undef hdc
- #endif //O_DRAW_NATIVE_API
+ ::SetTextColor(hdc, colOldText);
+ ::SetBkColor(hdc, colOldBack);
- return TRUE;
+ return true;
}
projects / wxWidgets.git / blobdiff