Adding a gtk utilities class to the build.

widget/src/gtk/Makefile.in

@@ -59,6 +59,7 @@ CPPSRCS= \
 	nsTabWidget.cpp \
 	nsToolkit.cpp \
 	nsGtkEventHandler.cpp \
+	nsGtkUtils.cpp \
 	nsRadioButton.cpp \
 	nsPopUpMenu.cpp \
 	nsWidget.cpp \

widget/src/gtk/nsGtkUtils.cpp

@@ -0,0 +1,113 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsGtkUtils.h"
+#include <gdk/gdkx.h>
+#include <gdk/gdkprivate.h>
+
+//////////////////////////////////////////////////////////////////
+#if 0
+/* staitc */ gint
+nsGtkUtils::gdk_query_pointer(GdkWindow * window,
+							  gint *      x_out,
+							  gint *      y_out)
+{
+  g_return_val_if_fail(NULL != window, FALSE);
+  g_return_val_if_fail(NULL != x_out, FALSE);
+  g_return_val_if_fail(NULL != y_out, FALSE);
+
+  Window root;
+  Window child;
+  int rootx, rooty;
+  int winx = 0;
+  int winy = 0;
+  unsigned int xmask = 0;
+  gint result = FALSE;
+  
+  *x_out = -1;
+  *y_out = -1;
+  
+  result = XQueryPointer(GDK_WINDOW_XDISPLAY(window),
+                         GDK_WINDOW_XWINDOW(window),
+                         &root, 
+                         &child,
+                         &rootx,
+                         &rooty,
+                         &winx,
+                         &winy,
+                         &xmask);
+  
+  if (result)
+  {
+    *x_out = rootx;
+    *y_out = rooty;
+  }
+
+  return result;
+}
+#endif
+//////////////////////////////////////////////////////////////////
+/* static */ void 
+nsGtkUtils::gtk_widget_set_color(GtkWidget *  widget,
+								 GtkRcFlags   flags,
+								 GtkStateType state,
+								 GdkColor *   color)
+{
+  GtkRcStyle * rc_style;
+
+  g_return_if_fail (widget != NULL);
+  g_return_if_fail (GTK_IS_WIDGET (widget));
+  g_return_if_fail (color != NULL);
+  g_return_if_fail (flags == 0);
+
+  rc_style  = gtk_object_get_data (GTK_OBJECT (widget), "modify-style");
+
+  if (!rc_style)
+  {
+	rc_style = gtk_rc_style_new ();
+
+	gtk_widget_modify_style (widget, rc_style);
+
+	gtk_object_set_data (GTK_OBJECT (widget), "modify-style", rc_style);
+  }
+
+  if (flags & GTK_RC_FG)
+  {
+    rc_style->color_flags[state] |= GTK_RC_FG;
+    rc_style->fg[state] = *color;
+  }
+
+  if (flags & GTK_RC_BG)
+  {
+    rc_style->color_flags[state] |= GTK_RC_BG;
+    rc_style->bg[state] = *color;
+  }
+
+  if (flags & GTK_RC_TEXT)
+  {
+    rc_style->color_flags[state] |= GTK_RC_TEXT;
+    rc_style->text[state] = *color;
+  }
+
+  if (flags & GTK_RC_BASE)
+  {
+    rc_style->color_flags[state] |= GTK_RC_BASE;
+    rc_style->base[state] = *color;
+  }
+}
+//////////////////////////////////////////////////////////////////

widget/src/gtk/nsGtkUtils.h

@@ -0,0 +1,59 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#ifndef __nsGtkUtils_h
+#define __nsGtkUtils_h
+
+#include <gtk/gtk.h>
+
+struct nsGtkUtils
+{
+  //
+  // Wrapper for XQueryPointer
+  //
+#if 0
+  static gint gdk_query_pointer(GdkWindow * window,
+                                gint *      x_out,
+                                gint *      y_out);
+#endif
+
+  //
+  // Change a widget's background
+  //
+  // flags isa bit mask of the following bits:
+  //
+  //   GTK_RC_FG
+  //   GTK_RC_BG
+  //   GTK_RC_TEXT
+  //   GTK_RC_BASE
+  //
+  // state is an enum:
+  //
+  //   GTK_STATE_NORMAL,
+  //   GTK_STATE_ACTIVE,
+  //   GTK_STATE_PRELIGHT,
+  //   GTK_STATE_SELECTED,
+  //   GTK_STATE_INSENSITIVE
+  //
+  static void gtk_widget_set_color(GtkWidget *  widget,
+                                   GtkRcFlags   flags,
+                                   GtkStateType state,
+                                   GdkColor *   color);
+};
+
+#endif  // __nsGtkEventHandler.h