Activate the currently selected process when the user double clicks the task ...

chrome/browser/gtk/task_manager_gtk.cc

 // Copyright (c) 2009 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/gtk/task_manager_gtk.h"
 
 #include <vector>
 
 #include "app/l10n_util.h"
 #include "base/gfx/gtk_util.h"
@@ skipping 41 matching lines @@
       return kTaskManagerNetwork;
     case IDS_TASK_MANAGER_PROCESS_ID_COLUMN:
       return kTaskManagerProcessID;
     default:
       NOTREACHED();
       return static_cast<TaskManagerColumn>(-1);
   }
 }
 
 int TaskManagerColumnIDToResourceID(int id) {
-  printf("id: %d\n", id);
   switch (id) {
     case kTaskManagerPage:
       return IDS_TASK_MANAGER_PAGE_COLUMN;
     case kTaskManagerPhysicalMem:
       return IDS_TASK_MANAGER_PHYSICAL_MEM_COLUMN;
     case kTaskManagerSharedMem:
       return IDS_TASK_MANAGER_SHARED_MEM_COLUMN;
     case kTaskManagerPrivateMem:
       return IDS_TASK_MANAGER_PRIVATE_MEM_COLUMN;
     case kTaskManagerCPU:
@@ skipping 246 matching lines @@
   g_signal_connect(G_OBJECT(dialog_), "response", G_CALLBACK(OnResponse), this);
   g_signal_connect(G_OBJECT(dialog_), "button-release-event",
                    G_CALLBACK(OnButtonReleaseEvent), this);
   gtk_widget_add_events(dialog_,
                         GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
 
   CreateTaskManagerTreeview();
   gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(treeview_), TRUE);
   gtk_tree_view_set_grid_lines(GTK_TREE_VIEW(treeview_),
                                GTK_TREE_VIEW_GRID_LINES_HORIZONTAL);
+  g_signal_connect(G_OBJECT(treeview_), "button-press-event",
+                   G_CALLBACK(OnButtonPressEvent), this);
   g_signal_connect(G_OBJECT(treeview_), "button-release-event",
                    G_CALLBACK(OnButtonReleaseEvent), this);
   gtk_widget_add_events(treeview_,
                         GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
 
   // Hide some columns by default
   TreeViewColumnSetVisible(treeview_, kTaskManagerSharedMem, false);
   TreeViewColumnSetVisible(treeview_, kTaskManagerPrivateMem, false);
   TreeViewColumnSetVisible(treeview_, kTaskManagerProcessID, false);
   TreeViewColumnSetVisible(treeview_, kTaskManagerGoatsTeleported, false);
@@ skipping 122 matching lines @@
   g_list_free(paths);
 }
 
 void TaskManagerGtk::ShowContextMenu() {
   if (!menu_controller_.get())
     menu_controller_.reset(new ContextMenuController(this));
 
   menu_controller_->RunMenu();
 }
 
+void TaskManagerGtk::ActivateFocusedTab() {
+  GtkTreeSelection* selection = gtk_tree_view_get_selection(
+      GTK_TREE_VIEW(treeview_));
+
+  // If the user has just double clicked, only one item is selected.
+  GtkTreeModel* model;
+  GList* selected = gtk_tree_selection_get_selected_rows(selection, &model);
+  int row = GetRowNumForPath(reinterpret_cast<GtkTreePath*>(selected->data));
+  task_manager_->ActivateProcess(row);
+}
+
 // static
 void TaskManagerGtk::OnResponse(GtkDialog* dialog, gint response_id,
                                 TaskManagerGtk* task_manager) {
   if (response_id == GTK_RESPONSE_DELETE_EVENT) {
     instance_ = NULL;
     delete task_manager;
   } else if (response_id == kTaskManagerResponseKill) {
     task_manager->KillSelectedProcesses();
   }
 }
@@ skipping 13 matching lines @@
     }
   }
   g_list_free(paths);
 
   bool sensitive = (paths != NULL) && !selection_contains_browser_process;
   gtk_dialog_set_response_sensitive(GTK_DIALOG(task_manager->dialog_),
                                     kTaskManagerResponseKill, sensitive);
 }
 
 // static
+gboolean TaskManagerGtk::OnButtonPressEvent(GtkWidget* widget,
+                                            GdkEventButton* event,
+                                            TaskManagerGtk* task_manager) {
+  if (event->type == GDK_2BUTTON_PRESS)
+    task_manager->ActivateFocusedTab();
+
+  return FALSE;
+}
+
+// static
 gboolean TaskManagerGtk::OnButtonReleaseEvent(GtkWidget* widget,
                                               GdkEventButton* event,
                                               TaskManagerGtk* task_manager) {
   // We don't want to open the context menu in the treeview.
   if (widget == task_manager->treeview_)
     return TRUE;
 
   if (event->button == 3)
     task_manager->ShowContextMenu();
 
   return FALSE;
 }