[gtk+] win32: Remove XP-specific code

[Benjamin Otte <otte src gnome org>]

commit 99153ed585a798c7364dccb7349b46e875b74922
Author: Benjamin Otte <otte gnome org>
Date:   Mon Feb 8 02:26:26 2016 +0100

    win32: Remove XP-specific code
    
    We don't support XP anymore.

 gtk/gtkwin32theme.c |   47 -----------------------------------------------
 1 files changed, 0 insertions(+), 47 deletions(-)
---
diff --git a/gtk/gtkwin32theme.c b/gtk/gtkwin32theme.c
index c868b25..e4db679 100644
--- a/gtk/gtkwin32theme.c
+++ b/gtk/gtkwin32theme.c
@@ -31,14 +31,6 @@
 
 static HINSTANCE uxtheme_dll = NULL;
 static gboolean use_xp_theme = FALSE;
-static OSVERSIONINFO os_version;
-static HTHEME needs_alpha_fixup1 = NULL;
-static HTHEME needs_alpha_fixup2 = NULL;
-static HTHEME needs_alpha_fixup3 = NULL;
-static HTHEME needs_alpha_fixup4 = NULL;
-static HTHEME needs_alpha_fixup5 = NULL;
-static HTHEME needs_alpha_fixup6 = NULL;
-static HTHEME needs_alpha_fixup7 = NULL;
 
 typedef HRESULT (FAR PASCAL *GetThemeSysFontFunc)           (HTHEME hTheme, int iFontID, OUT LOGFONTW *plf);
 typedef int (FAR PASCAL *GetThemeSysSizeFunc)               (HTHEME hTheme, int iSizeId);
@@ -140,20 +132,6 @@ _gtk_win32_theme_init (void)
     }
 
   hthemes_by_class = g_hash_table_new (g_str_hash, g_str_equal);
-
-  memset (&os_version, 0, sizeof (os_version));
-  os_version.dwOSVersionInfoSize = sizeof (os_version);
-  GetVersionEx (&os_version);
-  if (os_version.dwMajorVersion == 5)
-    {
-      needs_alpha_fixup1 = _gtk_win32_lookup_htheme_by_classname ("scrollbar");
-      needs_alpha_fixup2 = _gtk_win32_lookup_htheme_by_classname ("toolbar");
-      needs_alpha_fixup3 = _gtk_win32_lookup_htheme_by_classname ("button");
-      needs_alpha_fixup4 = _gtk_win32_lookup_htheme_by_classname ("header");
-      needs_alpha_fixup5 = _gtk_win32_lookup_htheme_by_classname ("trackbar");
-      needs_alpha_fixup6 = _gtk_win32_lookup_htheme_by_classname ("status");
-      needs_alpha_fixup7 = _gtk_win32_lookup_htheme_by_classname ("rebar");
-    }
 }
 
 HTHEME
@@ -261,31 +239,6 @@ _gtk_win32_theme_part_create_surface (HTHEME theme,
 
   res = draw_theme_background (theme, hdc, xp_part, state, &rect, &rect);
 
-  /* XP Can't handle rendering some parts on an alpha target */
-  if (has_alpha && 
-      (theme == needs_alpha_fixup1 ||
-       theme == needs_alpha_fixup2 ||
-       (theme == needs_alpha_fixup3 && xp_part == 4) ||
-       theme == needs_alpha_fixup4 ||
-       theme == needs_alpha_fixup5 ||
-       theme == needs_alpha_fixup6 ||
-       theme == needs_alpha_fixup7))
-    {
-      cairo_surface_t *img = cairo_win32_surface_get_image (surface);
-      guint32 *data = (guint32 *)cairo_image_surface_get_data (img);
-      int i, j;
-      GdiFlush ();
-
-      for (i = 0; i < width; i++)
-       {
-         for (j = 0; j < height; j++)
-           {
-             if (data[i+j*width] != 0)
-               data[i+j*width] |= 0xff000000;
-           }
-       }
-    }
-
   *x_offs_out = x_offs;
   *y_offs_out = y_offs;