gtk-stats: Update to GTK version 3, since version 2 is EOL

doc/INSTALL

@@ -186,7 +186,7 @@ it will show you the available command-line options:
   --use-opencv      --no-opencv    (enable/disable use of OPENCV)
   --use-directcam   --no-directcam (enable/disable use of DIRECTCAM)
   --use-vision      --no-vision    (enable/disable use of VISION)
-  --use-gtk2        --no-gtk2      (enable/disable use of GTK2)
+  --use-gtk3        --no-gtk3      (enable/disable use of GTK3)
   --use-npapi       --no-npapi     (enable/disable use of NPAPI)
   --use-mfc         --no-mfc       (enable/disable use of MFC)
   --use-wx          --no-wx        (enable/disable use of WX)

dtool/Package.cmake

@@ -556,16 +556,17 @@ package_option(HarfBuzz
 
 package_status(HarfBuzz "HarfBuzz")
 
-# GTK2
+# GTK3
 
-set(Freetype_FIND_QUIETLY TRUE) # Fix for builtin FindGTK2
-set(GTK2_GTK_FIND_QUIETLY TRUE) # Fix for builtin FindGTK2
-find_package(GTK2 QUIET COMPONENTS gtk)
-
-package_option(GTK2)
+if(NOT WIN32)
+  find_package(GTK3 QUIET)
+endif()
 
-package_status(GTK2 "gtk+-2")
+package_option(GTK3
+  "This is necessary to build the PStats performance analysis tool on platforms
+  other than Windows.")
 
+package_status(GTK3 "gtk+-3")
 
 #
 # ------------ Physics engines ------------

makepanda/makepanda.py

@@ -93,7 +93,7 @@ PkgListSet(["PYTHON", "DIRECT",                        # Python support
   "VRPN", "OPENSSL",                                   # Transport
   "FFTW",                                              # Algorithm helpers
   "ARTOOLKIT", "OPENCV", "DIRECTCAM", "VISION",        # Augmented Reality
-  "GTK2",                                              # GTK2 is used for PStats on Unix
+  "GTK3",                                              # GTK3 is used for PStats on Unix
   "MFC", "WX", "FLTK",                                 # Used for web plug-in only
   "COCOA",                                             # macOS toolkits
   "X11",                                               # Unix platform support
@@ -960,7 +960,7 @@ if (COMPILER=="GCC"):
 
     SmartPkgEnable("OPENSSL",   "openssl",   ("ssl", "crypto"), ("openssl/ssl.h", "openssl/crypto.h"))
     SmartPkgEnable("ZLIB",      "zlib",      ("z"), "zlib.h")
-    SmartPkgEnable("GTK2",      "gtk+-2.0")
+    SmartPkgEnable("GTK3",      "gtk+-3.0")
 
     if not PkgSkip("OPENSSL") and GetTarget() != "darwin":
         LibName("OPENSSL", "-Wl,--exclude-libs,libssl.a")
@@ -978,11 +978,6 @@ if (COMPILER=="GCC"):
     if GetHost() != "darwin":
         # Workaround for an issue where pkg-config does not include this path
         if GetTargetArch() in ("x86_64", "amd64"):
-            if (os.path.isdir("/usr/lib64/glib-2.0/include")):
-                IncDirectory("GTK2", "/usr/lib64/glib-2.0/include")
-            if (os.path.isdir("/usr/lib64/gtk-2.0/include")):
-                IncDirectory("GTK2", "/usr/lib64/gtk-2.0/include")
-
             if not PkgSkip("X11"):
                 if (os.path.isdir("/usr/X11R6/lib64")):
                     LibDirectory("ALWAYS", "/usr/X11R6/lib64")
@@ -5841,19 +5836,19 @@ if not PkgSkip("PANDATOOL"):
 # DIRECTORY: pandatool/src/gtk-stats/
 #
 
-if not PkgSkip("PANDATOOL") and (GetTarget() == 'windows' or not PkgSkip("GTK2")):
+if not PkgSkip("PANDATOOL") and (GetTarget() == 'windows' or not PkgSkip("GTK3")):
     if GetTarget() == 'windows':
         OPTS=['DIR:pandatool/src/win-stats']
         TargetAdd('pstats_composite1.obj', opts=OPTS, input='winstats_composite1.cxx')
     else:
-        OPTS=['DIR:pandatool/src/gtk-stats', 'GTK2']
+        OPTS=['DIR:pandatool/src/gtk-stats', 'GTK3']
         TargetAdd('pstats_composite1.obj', opts=OPTS, input='gtkstats_composite1.cxx')
     TargetAdd('pstats.exe', input='pstats_composite1.obj')
     TargetAdd('pstats.exe', input='libp3pstatserver.lib')
     TargetAdd('pstats.exe', input='libp3progbase.lib')
     TargetAdd('pstats.exe', input='libp3pandatoolbase.lib')
     TargetAdd('pstats.exe', input=COMMON_PANDA_LIBS)
-    TargetAdd('pstats.exe', opts=['SUBSYSTEM:WINDOWS', 'WINSOCK', 'WINIMM', 'WINGDI', 'WINKERNEL', 'WINOLDNAMES', 'WINUSER', 'WINMM', 'GTK2'])
+    TargetAdd('pstats.exe', opts=['SUBSYSTEM:WINDOWS', 'WINSOCK', 'WINIMM', 'WINGDI', 'WINKERNEL', 'WINOLDNAMES', 'WINUSER', 'WINMM', 'GTK3'])
 
 #
 # DIRECTORY: pandatool/src/xfileprogs/

pandatool/src/gtk-stats/CMakeLists.txt

@@ -1,4 +1,4 @@
-if(NOT HAVE_GTK2 OR NOT HAVE_NET)
+if(NOT HAVE_GTK3 OR NOT HAVE_NET)
   return()
 endif()
 
@@ -28,7 +28,7 @@ set(GTKSTATS_SOURCES
 
 composite_sources(gtk-stats GTKSTATS_SOURCES)
 add_executable(gtk-stats ${GTKSTATS_HEADERS} ${GTKSTATS_SOURCES})
-target_link_libraries(gtk-stats p3progbase p3pstatserver PKG::GTK2)
+target_link_libraries(gtk-stats p3progbase p3pstatserver PKG::GTK3)
 
 # This program is NOT actually called gtk-stats. It's pstats-gtk on Win32 and
 # pstats everywhere else (as the Win32 GUI is not built).

pandatool/src/gtk-stats/gtkStats.cxx

@@ -44,7 +44,7 @@ timer(gpointer data) {
     // are getting starved and falling behind, so that the user still gets a
     // chance to see *something* happen onscreen, even if it's just
     // increasingly old data.
-    gdk_window_process_all_updates();
+    //gdk_window_process_all_updates();
   }
 
   return TRUE;

pandatool/src/gtk-stats/gtkStatsChartMenu.cxx

@@ -104,9 +104,9 @@ do_update() {
       // We put a separator between the above frame collector and the first
       // level collector.
       if (needs_separator) {
-  GtkWidget *sep = gtk_separator_menu_item_new();
-  gtk_widget_show(sep);
-  gtk_menu_shell_append(GTK_MENU_SHELL(_menu), sep);
+        GtkWidget *sep = gtk_separator_menu_item_new();
+        gtk_widget_show(sep);
+        gtk_menu_shell_append(GTK_MENU_SHELL(_menu), sep);
 
         needs_separator = false;
       }
@@ -138,7 +138,7 @@ do_update() {
  */
 void GtkStatsChartMenu::
 add_view(GtkWidget *parent_menu, const PStatViewLevel *view_level,
-   bool show_level) {
+         bool show_level) {
   int collector = view_level->get_collector();
 
   const PStatClientData *client_data = _monitor->get_client_data();

pandatool/src/gtk-stats/gtkStatsGraph.cxx

@@ -73,8 +73,8 @@ GtkStatsGraph(GtkStatsMonitor *monitor) :
   gtk_widget_add_events(_graph_window,
       GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
       GDK_POINTER_MOTION_MASK);
-  g_signal_connect(G_OBJECT(_graph_window), "expose_event",
-       G_CALLBACK(graph_expose_callback), this);
+  g_signal_connect(G_OBJECT(_graph_window), "draw",
+       G_CALLBACK(graph_draw_callback), this);
   g_signal_connect(G_OBJECT(_graph_window), "configure_event",
        G_CALLBACK(configure_graph_callback), this);
   g_signal_connect(G_OBJECT(_graph_window), "button_press_event",
@@ -91,18 +91,18 @@ GtkStatsGraph(GtkStatsMonitor *monitor) :
 
   // A VBox to hold the graph's frame, and any numbers (scale legend?  total?)
   // above it.
-  _graph_vbox = gtk_vbox_new(FALSE, 0);
+  _graph_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
   gtk_box_pack_end(GTK_BOX(_graph_vbox), graph_frame,
        TRUE, TRUE, 0);
 
   // An HBox to hold the graph's frame, and the scale legend to the right of
   // it.
-  _graph_hbox = gtk_hbox_new(FALSE, 0);
+  _graph_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
   gtk_box_pack_start(GTK_BOX(_graph_hbox), _graph_vbox,
          TRUE, TRUE, 0);
 
   // An HPaned to hold the label stack and the graph hbox.
-  _hpaned = gtk_hpaned_new();
+  _hpaned = gtk_paned_new(GTK_ORIENTATION_HORIZONTAL);
   gtk_container_add(GTK_CONTAINER(_window), _hpaned);
   gtk_container_set_border_width(GTK_CONTAINER(_window), 8);
 
@@ -373,12 +373,9 @@ window_destroy(GtkWidget *widget, gpointer data) {
  * Fills in the graph window.
  */
 gboolean GtkStatsGraph::
-graph_expose_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
+graph_draw_callback(GtkWidget *widget, cairo_t *cr, gpointer data) {
   GtkStatsGraph *self = (GtkStatsGraph *)data;
 
-  GdkWindow *window = gtk_widget_get_window(self->_graph_window);
-  cairo_t *cr = gdk_cairo_create(window);
-
   if (self->_cr_surface != nullptr) {
     cairo_set_source_surface(cr, self->_cr_surface, 0, 0);
     cairo_paint(cr);
@@ -386,8 +383,6 @@ graph_expose_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
 
   self->additional_graph_window_paint(cr);
 
-  cairo_destroy(cr);
-
   return TRUE;
 }
 

pandatool/src/gtk-stats/gtkStatsGraph.h

@@ -118,10 +118,10 @@ private:
   static gboolean window_delete_event(GtkWidget *widget, GdkEvent *event,
               gpointer data);
   static void window_destroy(GtkWidget *widget, gpointer data);
-  static gboolean graph_expose_callback(GtkWidget *widget,
-          GdkEventExpose *event, gpointer data);
+  static gboolean graph_draw_callback(GtkWidget *widget,
+              cairo_t *cr, gpointer data);
   static gboolean configure_graph_callback(GtkWidget *widget,
-             GdkEventConfigure *event, gpointer data);
+              GdkEventConfigure *event, gpointer data);
 
 protected:
   static gboolean button_press_event_callback(GtkWidget *widget,

pandatool/src/gtk-stats/gtkStatsLabel.cxx

@@ -15,8 +15,6 @@
 #include "gtkStatsMonitor.h"
 #include "gtkStatsGraph.h"
 
-#include <cairo.h>
-
 int GtkStatsLabel::_left_margin = 2;
 int GtkStatsLabel::_right_margin = 2;
 int GtkStatsLabel::_top_margin = 2;
@@ -44,8 +42,8 @@ GtkStatsLabel(GtkStatsMonitor *monitor, GtkStatsGraph *graph,
   gtk_widget_add_events(_widget,
       GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK |
       GDK_BUTTON_PRESS_MASK);
-  g_signal_connect(G_OBJECT(_widget), "expose_event",
-       G_CALLBACK(expose_event_callback), this);
+  g_signal_connect(G_OBJECT(_widget), "draw",
+       G_CALLBACK(draw_callback), this);
   g_signal_connect(G_OBJECT(_widget), "enter_notify_event",
        G_CALLBACK(enter_notify_event_callback), this);
   g_signal_connect(G_OBJECT(_widget), "leave_notify_event",
@@ -154,11 +152,9 @@ set_mouse_within(bool mouse_within) {
  * Draws the background color of the label.
  */
 gboolean GtkStatsLabel::
-expose_event_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
+draw_callback(GtkWidget *widget, cairo_t *cr, gpointer data) {
   GtkStatsLabel *self = (GtkStatsLabel *)data;
 
-  GdkWindow *window = gtk_widget_get_window(widget);
-  cairo_t *cr = gdk_cairo_create(window);
   cairo_set_source_rgb(cr, self->_bg_color[0], self->_bg_color[1], self->_bg_color[2]);
 
   GtkAllocation allocation;
@@ -181,7 +177,6 @@ expose_event_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
     cairo_stroke(cr);
   }
 
-  cairo_destroy(cr);
   return TRUE;
 }
 

pandatool/src/gtk-stats/gtkStatsLabel.h

@@ -17,6 +17,7 @@
 #include "pandatoolbase.h"
 
 #include <gtk/gtk.h>
+#include <cairo.h>
 
 class GtkStatsMonitor;
 class GtkStatsGraph;
@@ -43,8 +44,8 @@ public:
 
 private:
   void set_mouse_within(bool mouse_within);
-  static gboolean expose_event_callback(GtkWidget *widget,
-          GdkEventExpose *event, gpointer data);
+  static gboolean draw_callback(GtkWidget *widget,
+                cairo_t *cr, gpointer data);
   static gboolean enter_notify_event_callback(GtkWidget *widget,
                 GdkEventCrossing *event,
                 gpointer data);

pandatool/src/gtk-stats/gtkStatsLabelStack.cxx

@@ -20,7 +20,7 @@
  */
 GtkStatsLabelStack::
 GtkStatsLabelStack() {
-  _widget = gtk_vbox_new(FALSE, 0);
+  _widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
   _highlight_label = -1;
 }
 

pandatool/src/gtk-stats/gtkStatsMonitor.cxx

@@ -160,7 +160,6 @@ new_data(int thread_index, int frame_number) {
   }
 }
 
-
 /**
  * Called whenever the connection to the client has been lost.  This is a
  * permanent state change.  The monitor should update its display to represent
@@ -373,7 +372,7 @@ create_window() {
   }
 
   // Pack the menu into the window.
-  GtkWidget *main_vbox = gtk_vbox_new(FALSE, 1);
+  GtkWidget *main_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 1);
   gtk_container_add(GTK_CONTAINER(_window), main_vbox);
   gtk_box_pack_start(GTK_BOX(main_vbox), _menu_bar, FALSE, TRUE, 0);
 

pandatool/src/gtk-stats/gtkStatsPianoRoll.cxx

@@ -35,8 +35,8 @@ GtkStatsPianoRoll(GtkStatsMonitor *monitor, int thread_index) :
   // Add a DrawingArea widget on top of the graph, to display all of the scale
   // units.
   _scale_area = gtk_drawing_area_new();
-  g_signal_connect(G_OBJECT(_scale_area), "expose_event",
-       G_CALLBACK(expose_event_callback), this);
+  g_signal_connect(G_OBJECT(_scale_area), "draw",
+       G_CALLBACK(draw_callback), this);
   gtk_box_pack_start(GTK_BOX(_graph_vbox), _scale_area,
          FALSE, FALSE, 0);
   gtk_widget_set_size_request(_scale_area, 0, 20);
@@ -405,16 +405,16 @@ draw_guide_bar(cairo_t *cr, const PStatGraph::GuideBar &bar) {
  * This is called during the servicing of expose_event.
  */
 void GtkStatsPianoRoll::
-draw_guide_labels() {
+draw_guide_labels(cairo_t *cr) {
   int i;
   int num_guide_bars = get_num_guide_bars();
   for (i = 0; i < num_guide_bars; i++) {
-    draw_guide_label(get_guide_bar(i));
+    draw_guide_label(cr, get_guide_bar(i));
   }
 
   int num_user_guide_bars = get_num_user_guide_bars();
   for (i = 0; i < num_user_guide_bars; i++) {
-    draw_guide_label(get_user_guide_bar(i));
+    draw_guide_label(cr, get_user_guide_bar(i));
   }
 }
 
@@ -422,10 +422,7 @@ draw_guide_labels() {
  * Draws the text for the indicated guide bar label at the top of the graph.
  */
 void GtkStatsPianoRoll::
-draw_guide_label(const PStatGraph::GuideBar &bar) {
-  GdkWindow *window = gtk_widget_get_window(_scale_area);
-  cairo_t *cr = gdk_cairo_create(window);
-
+draw_guide_label(cairo_t *cr, const PStatGraph::GuideBar &bar) {
   switch (bar._style) {
   case GBS_target:
     cairo_set_source_rgb(cr, rgb_light_gray[0], rgb_light_gray[1], rgb_light_gray[2]);
@@ -453,7 +450,6 @@ draw_guide_label(const PStatGraph::GuideBar &bar) {
     if (find_user_guide_bar(from_height, to_height) >= 0) {
       // Omit the label: there's a user-defined guide bar in the same space.
       g_object_unref(layout);
-      cairo_destroy(cr);
       return;
     }
   }
@@ -476,16 +472,15 @@ draw_guide_label(const PStatGraph::GuideBar &bar) {
   }
 
   g_object_unref(layout);
-  cairo_destroy(cr);
 }
 
 /**
  * Draws in the scale labels.
  */
 gboolean GtkStatsPianoRoll::
-expose_event_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
+draw_callback(GtkWidget *widget, cairo_t *cr, gpointer data) {
   GtkStatsPianoRoll *self = (GtkStatsPianoRoll *)data;
-  self->draw_guide_labels();
+  self->draw_guide_labels(cr);
 
   return TRUE;
 }

pandatool/src/gtk-stats/gtkStatsPianoRoll.h

@@ -60,11 +60,10 @@ private:
   int get_collector_under_pixel(int xpoint, int ypoint);
   void update_labels();
   void draw_guide_bar(cairo_t *cr, const PStatGraph::GuideBar &bar);
-  void draw_guide_labels();
-  void draw_guide_label(const PStatGraph::GuideBar &bar);
+  void draw_guide_labels(cairo_t *cr);
+  void draw_guide_label(cairo_t *cr, const PStatGraph::GuideBar &bar);
 
-  static gboolean expose_event_callback(GtkWidget *widget,
-          GdkEventExpose *event, gpointer data);
+  static gboolean draw_callback(GtkWidget *widget, cairo_t *cr, gpointer data);
 };
 
 #endif

pandatool/src/gtk-stats/gtkStatsStripChart.cxx

@@ -47,7 +47,7 @@ GtkStatsStripChart(GtkStatsMonitor *monitor, int thread_index,
   }
 
   // Put some stuff on top of the graph.
-  _top_hbox = gtk_hbox_new(FALSE, 0);
+  _top_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
   gtk_box_pack_start(GTK_BOX(_graph_vbox), _top_hbox,
          FALSE, FALSE, 0);
 
@@ -64,8 +64,8 @@ GtkStatsStripChart(GtkStatsMonitor *monitor, int thread_index,
   // Add a DrawingArea widget to the right of the graph, to display all of the
   // scale units.
   _scale_area = gtk_drawing_area_new();
-  g_signal_connect(G_OBJECT(_scale_area), "expose_event",
-       G_CALLBACK(expose_event_callback), this);
+  g_signal_connect(G_OBJECT(_scale_area), "draw",
+       G_CALLBACK(draw_callback), this);
   gtk_box_pack_start(GTK_BOX(_graph_hbox), _scale_area,
          FALSE, FALSE, 0);
   gtk_widget_set_size_request(_scale_area, 40, 0);
@@ -549,23 +549,23 @@ draw_guide_bar(cairo_t *cr, int from_x, int to_x,
  * This is called during the servicing of expose_event.
  */
 void GtkStatsStripChart::
-draw_guide_labels() {
+draw_guide_labels(cairo_t *cr) {
   // Draw in the labels for the guide bars.
   int last_y = -100;
 
   int i;
   int num_guide_bars = get_num_guide_bars();
   for (i = 0; i < num_guide_bars; i++) {
-    last_y = draw_guide_label(get_guide_bar(i), last_y);
+    last_y = draw_guide_label(cr, get_guide_bar(i), last_y);
   }
 
   GuideBar top_value = make_guide_bar(get_vertical_scale());
-  draw_guide_label(top_value, last_y);
+  draw_guide_label(cr, top_value, last_y);
 
   last_y = -100;
   int num_user_guide_bars = get_num_user_guide_bars();
   for (i = 0; i < num_user_guide_bars; i++) {
-    last_y = draw_guide_label(get_user_guide_bar(i), last_y);
+    last_y = draw_guide_label(cr, get_user_guide_bar(i), last_y);
   }
 }
 
@@ -575,10 +575,7 @@ draw_guide_labels() {
  * value is given.  Returns the top pixel value of the new label.
  */
 int GtkStatsStripChart::
-draw_guide_label(const PStatGraph::GuideBar &bar, int last_y) {
-  GdkWindow *window = gtk_widget_get_window(_scale_area);
-  cairo_t *cr = gdk_cairo_create(window);
-
+draw_guide_label(cairo_t *cr, const PStatGraph::GuideBar &bar, int last_y) {
   switch (bar._style) {
   case GBS_target:
     cairo_set_source_rgb(cr, rgb_light_gray[0], rgb_light_gray[1], rgb_light_gray[2]);
@@ -606,7 +603,6 @@ draw_guide_label(const PStatGraph::GuideBar &bar, int last_y) {
     if (find_user_guide_bar(from_height, to_height) >= 0) {
       // Omit the label: there's a user-defined guide bar in the same space.
       g_object_unref(layout);
-      cairo_destroy(cr);
       return last_y;
     }
   }
@@ -629,7 +625,6 @@ draw_guide_label(const PStatGraph::GuideBar &bar, int last_y) {
   }
 
   g_object_unref(layout);
-  cairo_destroy(cr);
   return last_y;
 }
 
@@ -648,9 +643,9 @@ toggled_callback(GtkToggleButton *button, gpointer data) {
  * Draws in the scale labels.
  */
 gboolean GtkStatsStripChart::
-expose_event_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
+draw_callback(GtkWidget *widget, cairo_t *cr, gpointer data) {
   GtkStatsStripChart *self = (GtkStatsStripChart *)data;
-  self->draw_guide_labels();
+  self->draw_guide_labels(cr);
 
   return TRUE;
 }

pandatool/src/gtk-stats/gtkStatsStripChart.h

@@ -66,12 +66,11 @@ protected:
 private:
   void draw_guide_bar(cairo_t *cr, int from_x, int to_x,
                       const PStatGraph::GuideBar &bar);
-  void draw_guide_labels();
-  int draw_guide_label(const PStatGraph::GuideBar &bar, int last_y);
+  void draw_guide_labels(cairo_t *cr);
+  int draw_guide_label(cairo_t *cr, const PStatGraph::GuideBar &bar, int last_y);
 
   static void toggled_callback(GtkToggleButton *button, gpointer data);
-  static gboolean expose_event_callback(GtkWidget *widget,
-          GdkEventExpose *event, gpointer data);
+  static gboolean draw_callback(GtkWidget *widget, cairo_t *cr, gpointer data);
 
 private:
   std::string _net_value_text;