v4.19.13 snapshot.
diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c
new file mode 100644
index 0000000..4820e25
--- /dev/null
+++ b/tools/perf/ui/gtk/browser.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "../evlist.h"
+#include "../cache.h"
+#include "../evsel.h"
+#include "../sort.h"
+#include "../hist.h"
+#include "../helpline.h"
+#include "gtk.h"
+
+#include <signal.h>
+
+void perf_gtk__signal(int sig)
+{
+ perf_gtk__exit(false);
+ psignal(sig, "perf");
+}
+
+void perf_gtk__resize_window(GtkWidget *window)
+{
+ GdkRectangle rect;
+ GdkScreen *screen;
+ int monitor;
+ int height;
+ int width;
+
+ screen = gtk_widget_get_screen(window);
+
+ monitor = gdk_screen_get_monitor_at_window(screen, window->window);
+
+ gdk_screen_get_monitor_geometry(screen, monitor, &rect);
+
+ width = rect.width * 3 / 4;
+ height = rect.height * 3 / 4;
+
+ gtk_window_resize(GTK_WINDOW(window), width, height);
+}
+
+const char *perf_gtk__get_percent_color(double percent)
+{
+ if (percent >= MIN_RED)
+ return "<span fgcolor='red'>";
+ if (percent >= MIN_GREEN)
+ return "<span fgcolor='dark green'>";
+ return NULL;
+}
+
+#ifdef HAVE_GTK_INFO_BAR_SUPPORT
+GtkWidget *perf_gtk__setup_info_bar(void)
+{
+ GtkWidget *info_bar;
+ GtkWidget *label;
+ GtkWidget *content_area;
+
+ info_bar = gtk_info_bar_new();
+ gtk_widget_set_no_show_all(info_bar, TRUE);
+
+ label = gtk_label_new("");
+ gtk_widget_show(label);
+
+ content_area = gtk_info_bar_get_content_area(GTK_INFO_BAR(info_bar));
+ gtk_container_add(GTK_CONTAINER(content_area), label);
+
+ gtk_info_bar_add_button(GTK_INFO_BAR(info_bar), GTK_STOCK_OK,
+ GTK_RESPONSE_OK);
+ g_signal_connect(info_bar, "response",
+ G_CALLBACK(gtk_widget_hide), NULL);
+
+ pgctx->info_bar = info_bar;
+ pgctx->message_label = label;
+
+ return info_bar;
+}
+#endif
+
+GtkWidget *perf_gtk__setup_statusbar(void)
+{
+ GtkWidget *stbar;
+ unsigned ctxid;
+
+ stbar = gtk_statusbar_new();
+
+ ctxid = gtk_statusbar_get_context_id(GTK_STATUSBAR(stbar),
+ "perf report");
+ pgctx->statbar = stbar;
+ pgctx->statbar_ctx_id = ctxid;
+
+ return stbar;
+}