[nautilus/wip/antoniof/switch-to-gtk4: 12/22] general: Adapt to GtkDrawingArea API changes

[António Fernandes <antoniof src gnome org>]

commit 0bd792db240bb9dcc14ab94602b67b44ad5b77c3
Author: António Fernandes <antoniof gnome org>
Date:   Thu Dec 23 23:54:46 2021 +0000

    general: Adapt to GtkDrawingArea API changes
    
    Now we set a function instead of listening to a signal.

 src/nautilus-properties-window.c     | 30 ++++++++++++++++++------------
 src/nautilus-toolbar.c               | 13 +++++++++----
 src/resources/ui/nautilus-toolbar.ui |  1 -
 3 files changed, 27 insertions(+), 17 deletions(-)
---
diff --git a/src/nautilus-properties-window.c b/src/nautilus-properties-window.c
index f7274bbfb..1682c514e 100644
--- a/src/nautilus-properties-window.c
+++ b/src/nautilus-properties-window.c
@@ -2400,10 +2400,13 @@ should_show_volume_usage (NautilusPropertiesWindow *self)
 }
 
 static void
-paint_legend (GtkWidget *widget,
-              cairo_t   *cr,
-              gpointer   data)
+paint_legend (GtkDrawingArea *drawing_area,
+              cairo_t        *cr,
+              int             width,
+              int             height,
+              gpointer        data)
 {
+    GtkWidget *widget = GTK_WIDGET (drawing_area);
     GtkStyleContext *context;
     GtkAllocation allocation;
 
@@ -2488,11 +2491,14 @@ paint_slice (GtkWidget   *widget,
 }
 
 static void
-paint_pie_chart (GtkWidget *widget,
-                 cairo_t   *cr,
-                 gpointer   data)
+paint_pie_chart (GtkDrawingArea *drawing_area,
+                 cairo_t        *cr,
+                 int             width,
+                 int             height,
+                 gpointer        data)
 {
     NautilusPropertiesWindow *self;
+    GtkWidget *widget = GTK_WIDGET (drawing_area);
     double free, used, reserved;
 
     self = NAUTILUS_PROPERTIES_WINDOW (data);
@@ -2552,12 +2558,12 @@ setup_pie_widget (NautilusPropertiesWindow *self)
         }
     }
 
-    g_signal_connect (self->pie_chart, "draw",
-                      G_CALLBACK (paint_pie_chart), self);
-    g_signal_connect (self->used_color, "draw",
-                      G_CALLBACK (paint_legend), self);
-    g_signal_connect (self->free_color, "draw",
-                      G_CALLBACK (paint_legend), self);
+    gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (self->pie_chart),
+                                    paint_pie_chart, self, NULL);
+    gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (self->used_color),
+                                    paint_legend, self, NULL);
+    gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (self->free_color),
+                                    paint_legend, self, NULL);
 }
 
 static void
diff --git a/src/nautilus-toolbar.c b/src/nautilus-toolbar.c
index 5df687cc0..758d387ee 100644
--- a/src/nautilus-toolbar.c
+++ b/src/nautilus-toolbar.c
@@ -570,18 +570,19 @@ on_new_progress_info (NautilusProgressInfoManager *manager,
 }
 
 static void
-on_operations_icon_draw (GtkWidget       *widget,
+on_operations_icon_draw (GtkDrawingArea  *drawing_area,
                          cairo_t         *cr,
+                         int              width,
+                         int              height,
                          NautilusToolbar *self)
 {
+    GtkWidget *widget = GTK_WIDGET (drawing_area);
     gfloat elapsed_progress = 0;
     gint remaining_progress = 0;
     gint total_progress;
     gdouble ratio;
     GList *progress_infos;
     GList *l;
-    guint width;
-    guint height;
     gboolean all_cancelled;
     GdkRGBA background;
     GdkRGBA foreground;
@@ -869,6 +870,11 @@ nautilus_toolbar_init (NautilusToolbar *self)
 {
     gtk_widget_init_template (GTK_WIDGET (self));
 
+    gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (self->operations_icon),
+                                    (GtkDrawingAreaDrawFunc) on_operations_icon_draw,
+                                    self,
+                                    NULL);
+
     gtk_widget_set_parent (self->back_menu, self->back_button);
     g_signal_connect (self->back_menu, "destroy", G_CALLBACK (gtk_widget_unparent), NULL);
     gtk_widget_set_parent (self->forward_menu, self->forward_button);
@@ -1141,7 +1147,6 @@ nautilus_toolbar_class_init (NautilusToolbarClass *klass)
 
     gtk_widget_class_bind_template_child (widget_class, NautilusToolbar, search_button);
 
-    gtk_widget_class_bind_template_callback (widget_class, on_operations_icon_draw);
     gtk_widget_class_bind_template_callback (widget_class, on_operations_popover_notify_visible);
 }
 
diff --git a/src/resources/ui/nautilus-toolbar.ui b/src/resources/ui/nautilus-toolbar.ui
index a95cbfaae..e9a101029 100644
--- a/src/resources/ui/nautilus-toolbar.ui
+++ b/src/resources/ui/nautilus-toolbar.ui
@@ -254,7 +254,6 @@
                         <property name="height_request">16</property>
                         <property name="halign">center</property>
                         <property name="valign">center</property>
-                        <signal name="draw" handler="on_operations_icon_draw" object="NautilusToolbar" 
swapped="no"/>
                       </object>
                     </child>
                     <style>