GTK: Add Recently Closed tabs to the History menu in the global menu bar.

chrome/browser/ui/gtk/gtk_util.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/gtk/gtk_util.h"
 
 #include <cairo/cairo.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 
@@ skipping 46 matching lines @@
 namespace {
 
 #if defined(GOOGLE_CHROME_BUILD)
 static const char* kIconName = "google-chrome";
 #else
 static const char* kIconName = "chromium-browser";
 #endif
 
 const char kBoldLabelMarkup[] = "<span weight='bold'>%s</span>";
 
+// Max size of each component of the button tooltips.
+const size_t kMaxTooltipTitleLength = 100;
+const size_t kMaxTooltipURLLength = 400;
+
 // Callback used in RemoveAllChildren.
 void RemoveWidget(GtkWidget* widget, gpointer container) {
   gtk_container_remove(GTK_CONTAINER(container), widget);
 }
 
 // These two functions are copped almost directly from gtk core. The only
 // difference is that they accept middle clicks.
 gboolean OnMouseButtonPressed(GtkWidget* widget, GdkEventButton* event,
                               gpointer userdata) {
   if (event->type == GDK_BUTTON_PRESS) {
@@ skipping 685 matching lines @@
   int x, y;
   gtk_widget_get_pointer(widget, &x, &y);
   return gfx::Point(x, y);
 }
 
 GdkPoint MakeBidiGdkPoint(gint x, gint y, gint width, bool ltr) {
   GdkPoint point = {ltr ? x : width - x, y};
   return point;
 }
 
+std::string BuildTooltipTitleFor(string16 title, GURL url) {
+  const std::string& url_str = url.possibly_invalid_spec();
+  const std::string& title_str = UTF16ToUTF8(title);
+
+  std::string truncated_url = UTF16ToUTF8(l10n_util::TruncateString(
+      UTF8ToUTF16(url_str), kMaxTooltipURLLength));
+  gchar* escaped_url_cstr = g_markup_escape_text(truncated_url.c_str(),
+                                                 truncated_url.size());
+  std::string escaped_url(escaped_url_cstr);
+  g_free(escaped_url_cstr);
+
+  std::string tooltip;
+  if (url_str == title_str || title.empty()) {
+    return escaped_url;
+  } else {
+    std::string truncated_title = UTF16ToUTF8(l10n_util::TruncateString(
+        title, kMaxTooltipTitleLength));
+    gchar* escaped_title_cstr = g_markup_escape_text(truncated_title.c_str(),
+                                                     truncated_title.size());
+    std::string escaped_title(escaped_title_cstr);
+    g_free(escaped_title_cstr);
+
+    if (!escaped_url.empty())
+      return std::string("<b>") + escaped_title + "</b>\n" + escaped_url;
+    else
+      return std::string("<b>") + escaped_title + "</b>";
+  }
+}
+
 void DrawTextEntryBackground(GtkWidget* offscreen_entry,
                              GtkWidget* widget_to_draw_on,
                              GdkRectangle* dirty_rec,
                              GdkRectangle* rec) {
   GtkStyle* gtk_owned_style = gtk_rc_get_style(offscreen_entry);
   // GTK owns the above and we're going to have to make our own copy of it
   // that we can edit.
   GtkStyle* our_style = gtk_style_copy(gtk_owned_style);
   our_style = gtk_style_attach(our_style, widget_to_draw_on->window);
 
@@ skipping 465 matching lines @@
 
 void DoCopy(BrowserWindow* window) {
   DoCutCopyPaste(window, &RenderViewHost::Copy, "copy-clipboard");
 }
 
 void DoPaste(BrowserWindow* window) {
   DoCutCopyPaste(window, &RenderViewHost::Paste, "paste-clipboard");
 }
 
 }  // namespace gtk_util