[gtk+] win32: Split out fallback code into separate file

[Benjamin Otte <otte src gnome org>]

commit 37e3ccb2f67729ecdef6605455e6bf2b8b0279d7
Author: Benjamin Otte <otte redhat com>
Date:   Wed Feb 17 02:43:18 2016 +0100

    win32: Split out fallback code into separate file
    
    (1) Actual Windows users don't care about it
    (2) It's easier to get rid of

 gtk/Makefile.am           |    2 +
 gtk/gtkwin32draw.c        |   70 +++++++++++++++++++++++++++++++++++++++++++++
 gtk/gtkwin32drawprivate.h |   64 +++++++++++++++++++++++++++++++++++++++++
 gtk/gtkwin32theme.c       |   46 ++---------------------------
 4 files changed, 139 insertions(+), 43 deletions(-)
---
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 566ec95..0806246 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -564,6 +564,7 @@ gtk_private_h_sources =             \
        gtktreeprivate.h        \
        gtkwidgetprivate.h      \
        gtkwidgetpathprivate.h  \
+       gtkwin32drawprivate.h   \
        gtkwin32themeprivate.h  \
        gtkwindowprivate.h      \
        gtktreemenu.h           \
@@ -926,6 +927,7 @@ gtk_base_c_sources =                \
        gtkwidgetpath.c         \
        gtkwindow.c             \
        gtkwindowgroup.c        \
+       gtkwin32draw.c          \
        gtkwin32theme.c         \
        gdkpixbufutils.c
 
diff --git a/gtk/gtkwin32draw.c b/gtk/gtkwin32draw.c
new file mode 100644
index 0000000..d80d274
--- /dev/null
+++ b/gtk/gtkwin32draw.c
@@ -0,0 +1,70 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2016 Benjamin Otte <otte gnome org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "gtkwin32drawprivate.h"
+
+struct {
+  const char *name;
+  GdkRGBA rgba;
+} win32_default_colors[] = {
+#define RGB(r, g, b) { (r)/255.0, (g)/255.0, (b)/255., 1.0 }
+  { "scrollbar", RGB(212, 208, 200) },
+  { "background", RGB(58, 110, 165) },
+  { "activecaption", RGB(10, 36, 106) },
+  { "inactivecaption", RGB(128, 128, 128) },
+  { "menu", RGB(212, 208, 200) },
+  { "window", RGB(255, 255, 255) },
+  { "windowframe", RGB(0, 0, 0) },
+  { "menutext", RGB(0, 0, 0) },
+  { "windowtext", RGB(0, 0, 0) },
+  { "captiontext", RGB(255, 255, 255) },
+  { "activeborder", RGB(212, 208, 200) },
+  { "inactiveborder", RGB(212, 208, 200) },
+  { "appworkspace", RGB(128, 128, 128) },
+  { "highlight", RGB(10, 36, 106) },
+  { "highlighttext", RGB(255, 255, 255) },
+  { "btnface", RGB(212, 208, 200) },
+  { "btnshadow", RGB(128, 128, 128) },
+  { "graytext", RGB(128, 128, 128) },
+  { "btntext", RGB(0, 0, 0) },
+  { "inactivecaptiontext", RGB(212, 208, 200) },
+  { "btnhighlight", RGB(255, 255, 255) },
+  { "3ddkshadow", RGB(64, 64, 64) },
+  { "3dlight", RGB(212, 208, 200) },
+  { "infotext", RGB(0, 0, 0) },
+  { "infobk", RGB(255, 255, 225) },
+  { "alternatebtnface", RGB(181, 181, 181) },
+  { "hotlight", RGB(0, 0, 200) },
+  { "gradientactivecaption", RGB(166, 202, 240) },
+  { "gradientinactivecaption", RGB(192, 192, 192) },
+  { "menuhilight", RGB(10, 36, 106) },
+  { "menubar", RGB(212, 208, 200) }
+#undef RGB
+};
+
+void
+gtk_win32_get_sys_color (gint     id,
+                         GdkRGBA *color)
+{
+  if (id < G_N_ELEMENTS (win32_default_colors))
+    *color = win32_default_colors[id].rgba;
+  else
+    gdk_rgba_parse (color, "black");
+}
+
diff --git a/gtk/gtkwin32drawprivate.h b/gtk/gtkwin32drawprivate.h
new file mode 100644
index 0000000..fc57cb7
--- /dev/null
+++ b/gtk/gtkwin32drawprivate.h
@@ -0,0 +1,64 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2016 Benjamin Otte <otte gnome org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GTK_WIN32_DRAW_H__
+#define __GTK_WIN32_DRAW_H__
+
+#include <gdk/gdk.h>
+
+G_BEGIN_DECLS
+
+enum {
+  GTK_WIN32_SYS_COLOR_SCROLLBAR,
+  GTK_WIN32_SYS_COLOR_BACKGROUND,
+  GTK_WIN32_SYS_COLOR_ACTIVECAPTION,
+  GTK_WIN32_SYS_COLOR_INACTIVECAPTION,
+  GTK_WIN32_SYS_COLOR_MENU,
+  GTK_WIN32_SYS_COLOR_WINDOW,
+  GTK_WIN32_SYS_COLOR_WINDOWFRAME,
+  GTK_WIN32_SYS_COLOR_MENUTEXT,
+  GTK_WIN32_SYS_COLOR_WINDOWTEXT,
+  GTK_WIN32_SYS_COLOR_CAPTIONTEXT,
+  GTK_WIN32_SYS_COLOR_ACTIVEBORDER,
+  GTK_WIN32_SYS_COLOR_INACTIVEBORDER,
+  GTK_WIN32_SYS_COLOR_APPWORKSPACE,
+  GTK_WIN32_SYS_COLOR_HIGHLIGHT,
+  GTK_WIN32_SYS_COLOR_HIGHLIGHTTEXT,
+  GTK_WIN32_SYS_COLOR_BTNFACE,
+  GTK_WIN32_SYS_COLOR_BTNSHADOW,
+  GTK_WIN32_SYS_COLOR_GRAYTEXT,
+  GTK_WIN32_SYS_COLOR_BTNTEXT,
+  GTK_WIN32_SYS_COLOR_INACTIVECAPTIONTEXT,
+  GTK_WIN32_SYS_COLOR_BTNHIGHLIGHT,
+  GTK_WIN32_SYS_COLOR_3DDKSHADOW,
+  GTK_WIN32_SYS_COLOR_3DLIGHT,
+  GTK_WIN32_SYS_COLOR_INFOTEXT,
+  GTK_WIN32_SYS_COLOR_INFOBK,
+  GTK_WIN32_SYS_COLOR_ALTERNATEBTNFACE,
+  GTK_WIN32_SYS_COLOR_HOTLIGHT,
+  GTK_WIN32_SYS_COLOR_GRADIENTACTIVECAPTION,
+  GTK_WIN32_SYS_COLOR_GRADIENTINACTIVECAPTION,
+  GTK_WIN32_SYS_COLOR_MENUHILIGHT,
+  GTK_WIN32_SYS_COLOR_MENUBAR
+};
+
+void                    gtk_win32_get_sys_color         (gint            id,
+                                                         GdkRGBA        *color);
+
+G_END_DECLS
+
+#endif /* __GTK_WIN32_DRAW_H__ */
diff --git a/gtk/gtkwin32theme.c b/gtk/gtkwin32theme.c
index f933ac2..8288f5d 100644
--- a/gtk/gtkwin32theme.c
+++ b/gtk/gtkwin32theme.c
@@ -23,6 +23,8 @@
 
 #include "gtkwin32themeprivate.h"
 
+#include "gtkwin32drawprivate.h"
+
 #ifdef G_OS_WIN32
 
 #include <windows.h>
@@ -455,45 +457,6 @@ gtk_win32_theme_get_size (GtkWin32Theme *theme,
 #endif
 }
 
-struct {
-  const char *name;
-  GdkRGBA rgba;
-} win32_default_colors[] = {
-#define RGB(r, g, b) { (r)/255.0, (g)/255.0, (b)/255., 1.0 }
-  { "scrollbar", RGB(212, 208, 200) },
-  { "background", RGB(58, 110, 165) },
-  { "activecaption", RGB(10, 36, 106) },
-  { "inactivecaption", RGB(128, 128, 128) },
-  { "menu", RGB(212, 208, 200) },
-  { "window", RGB(255, 255, 255) },
-  { "windowframe", RGB(0, 0, 0) },
-  { "menutext", RGB(0, 0, 0) },
-  { "windowtext", RGB(0, 0, 0) },
-  { "captiontext", RGB(255, 255, 255) },
-  { "activeborder", RGB(212, 208, 200) },
-  { "inactiveborder", RGB(212, 208, 200) },
-  { "appworkspace", RGB(128, 128, 128) },
-  { "highlight", RGB(10, 36, 106) },
-  { "highlighttext", RGB(255, 255, 255) },
-  { "btnface", RGB(212, 208, 200) },
-  { "btnshadow", RGB(128, 128, 128) },
-  { "graytext", RGB(128, 128, 128) },
-  { "btntext", RGB(0, 0, 0) },
-  { "inactivecaptiontext", RGB(212, 208, 200) },
-  { "btnhighlight", RGB(255, 255, 255) },
-  { "3ddkshadow", RGB(64, 64, 64) },
-  { "3dlight", RGB(212, 208, 200) },
-  { "infotext", RGB(0, 0, 0) },
-  { "infobk", RGB(255, 255, 225) },
-  { "alternatebtnface", RGB(181, 181, 181) },
-  { "hotlight", RGB(0, 0, 200) },
-  { "gradientactivecaption", RGB(166, 202, 240) },
-  { "gradientinactivecaption", RGB(192, 192, 192) },
-  { "menuhilight", RGB(10, 36, 106) },
-  { "menubar", RGB(212, 208, 200) }
-#undef RGB
-};
-
 void
 gtk_win32_theme_get_color (GtkWin32Theme *theme,
                            gint           id,
@@ -518,10 +481,7 @@ gtk_win32_theme_get_color (GtkWin32Theme *theme,
   color->green = GetGValue (dcolor) / 255.0;
   color->blue = GetBValue (dcolor) / 255.0;
 #else
-  if (id < G_N_ELEMENTS (win32_default_colors))
-    *color = win32_default_colors[id].rgba;
-  else
-    gdk_rgba_parse (color, "black");
+  gtk_win32_get_sys_color (id, color);
 #endif
 }