From d74734b1b4c3dfbdd39caa80e67e8c789e900cc3 Mon Sep 17 00:00:00 2001
From: Alexey Yakovenko <waker@users.sourceforge.net>
Date: Tue, 17 Sep 2013 21:22:15 +0200
Subject: gtkui: disable tabstrip antialiasing on ldpi macs

---
 configure.ac                |  1 +
 plugins/gtkui/Makefile.am   |  4 +++-
 plugins/gtkui/ddbtabstrip.c |  2 +-
 plugins/gtkui/gtkui.c       |  9 +++++++++
 plugins/gtkui/gtkui.h       |  1 +
 plugins/gtkui/retina.h      |  7 +++++++
 plugins/gtkui/retina.m      | 11 +++++++++++
 7 files changed, 33 insertions(+), 2 deletions(-)
 create mode 100644 plugins/gtkui/retina.h
 create mode 100644 plugins/gtkui/retina.m

diff --git a/configure.ac b/configure.ac
index 591b3073..d9ab23d9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,6 +11,7 @@ AC_USE_SYSTEM_EXTENSIONS
 LT_INIT
 AC_PROG_CC
 AC_PROG_CXX
+AC_PROG_OBJC
 AC_STDC_HEADERS
 AC_PROG_INSTALL
 dnl AC_PROG_LIBTOOL
diff --git a/plugins/gtkui/Makefile.am b/plugins/gtkui/Makefile.am
index b8def462..e5e9b70f 100644
--- a/plugins/gtkui/Makefile.am
+++ b/plugins/gtkui/Makefile.am
@@ -98,6 +98,8 @@ endif
 
 if HAVE_GTK3
 if OS_OSX
+AM_CPPFLAGS = $(CXXFLAGS) $(GTK3_DEPS_CFLAGS)
+GTK3_OSX_SOURCES = retina.m
 GTKGLEXT_SOURCES =
 else
 GTKGLEXT_LIBS = -lGL
@@ -157,7 +159,7 @@ endif
 
 GTKGLEXT_CFLAGS = -I@top_srcdir@/plugins/gtkui/gtkglext-gtk3 -I@top_srcdir@/plugins/gtkui/gtkglext-gtk3/gdk -DGTK_GL_COMPILATION -DGDK_GL_COMPILATION
 
-ddb_gui_GTK3_la_SOURCES = $(GTKUI_SOURCES) $(GTKGLEXT_SOURCES)
+ddb_gui_GTK3_la_SOURCES = $(GTKUI_SOURCES) $(GTKGLEXT_SOURCES) $(GTK3_OSX_SOURCES)
 ddb_gui_GTK3_la_LDFLAGS = -module
 
 if STATICLINK
diff --git a/plugins/gtkui/ddbtabstrip.c b/plugins/gtkui/ddbtabstrip.c
index c9827eda..f89c7eda 100644
--- a/plugins/gtkui/ddbtabstrip.c
+++ b/plugins/gtkui/ddbtabstrip.c
@@ -596,7 +596,7 @@ tabstrip_render (DdbTabStrip *ts, cairo_t *cr) {
     tabstrip_adjust_hscroll (ts);
     cairo_set_line_width (cr, 1);
 #ifdef __APPLE__
-    cairo_set_antialias (cr, CAIRO_ANTIALIAS_GRAY);
+    cairo_set_antialias (cr, gtkui_is_retina ? CAIRO_ANTIALIAS_GRAY : CAIRO_ANTIALIAS_NONE);
 #else
     cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
 #endif
diff --git a/plugins/gtkui/gtkui.c b/plugins/gtkui/gtkui.c
index 2804e91c..894e1f85 100644
--- a/plugins/gtkui/gtkui.c
+++ b/plugins/gtkui/gtkui.c
@@ -56,6 +56,8 @@
 #include "widgets.h"
 #ifndef __APPLE__
 #include "X11/Xlib.h"
+#else
+#include "retina.h"
 #endif
 #undef EGG_SM_CLIENT_BACKEND_XSMP
 #ifdef EGG_SM_CLIENT_BACKEND_XSMP
@@ -91,6 +93,10 @@ void (*gtkui_original_pl_add_files_end) (void);
 // cached config variable
 int gtkui_embolden_current_track;
 
+#ifdef __APPLE__
+int gtkui_is_retina = 0;
+#endif
+
 #define TRAY_ICON "deadbeef_tray_icon"
 
 // that must be called before gtk_init
@@ -1151,6 +1157,9 @@ gtkui_thread (void *ctx) {
     gtkui_connect_cb (NULL);
     deadbeef->sendmessage (DB_EV_PLAYLISTCHANGED, 0, 0, 0);
 
+#ifdef __APPLE__
+    gtkui_is_retina = is_retina (mainwin);
+#endif
     gtk_main ();
 
     w_free ();
diff --git a/plugins/gtkui/gtkui.h b/plugins/gtkui/gtkui.h
index 3867cc19..c4b59e07 100644
--- a/plugins/gtkui/gtkui.h
+++ b/plugins/gtkui/gtkui.h
@@ -35,6 +35,7 @@ extern DB_functions_t *deadbeef;
 extern GtkWidget *mainwin;
 extern GtkWidget *searchwin;
 extern int gtkui_embolden_current_track;
+extern int gtkui_is_retina;
 
 struct _GSList;
 
diff --git a/plugins/gtkui/retina.h b/plugins/gtkui/retina.h
new file mode 100644
index 00000000..9d0f8ddb
--- /dev/null
+++ b/plugins/gtkui/retina.h
@@ -0,0 +1,7 @@
+#ifndef __RETINA_H
+#define __RETINA_H
+
+int
+is_retina (GtkWidget *w);
+
+#endif
diff --git a/plugins/gtkui/retina.m b/plugins/gtkui/retina.m
new file mode 100644
index 00000000..320bfdc1
--- /dev/null
+++ b/plugins/gtkui/retina.m
@@ -0,0 +1,11 @@
+#include <Cocoa/Cocoa.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkquartz.h>
+#include "retina.h"
+
+int
+is_retina (GtkWidget *w) {
+    NSWindow *window = gdk_quartz_window_get_nswindow (gtk_widget_get_window (w));
+    float s = [window backingScaleFactor];
+    return s > 1.0f;
+}
-- 
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