[gimp/gtk3-port: 366/440] app: the goats are invading again, and are almost undeprecated

[Michael Natterer <mitch src gnome org>]

commit 1d529b65559339c84fb50be601c54125cdf7419c
Author: Michael Natterer <mitch gimp org>
Date:   Tue May 8 00:39:29 2018 +0200

    app: the goats are invading again, and are almost undeprecated

 app/dialogs/lebl-dialog.c |   37 ++++++++++++++++---------------------
 1 files changed, 16 insertions(+), 21 deletions(-)
---
diff --git a/app/dialogs/lebl-dialog.c b/app/dialogs/lebl-dialog.c
index 61ce585..2f41355 100644
--- a/app/dialogs/lebl-dialog.c
+++ b/app/dialogs/lebl-dialog.c
@@ -160,7 +160,7 @@ inv_show_status (void)
 }
 
 static gboolean
-inv_draw (gpointer data)
+inv_queue_draw_idle (gpointer data)
 {
         gtk_widget_queue_draw (data);
 
@@ -171,7 +171,7 @@ static void
 inv_queue_draw (GtkWidget *window)
 {
        if (inv_draw_idle == 0)
-               inv_draw_idle = g_idle_add (inv_draw, window);
+               inv_draw_idle = g_idle_add (inv_queue_draw_idle, window);
 }
 
 static void
@@ -190,7 +190,7 @@ inv_draw_explosion (int x, int y)
         for (i = 5; i < 100; i += 5) {
                 cairo_arc (cr, x, y, i, 0, 2 * G_PI);
                 cairo_fill (cr);
-                gdk_flush ();
+                gdk_display_flush (gtk_widget_get_display (geginv_canvas));
                 g_usleep (50000);
         }
 
@@ -199,7 +199,7 @@ inv_draw_explosion (int x, int y)
         for (i = 5; i < 100; i += 5) {
                 cairo_arc (cr, x, y, i, 0, 2 * G_PI);
                 cairo_fill (cr);
-                gdk_flush ();
+                gdk_display_flush (gtk_widget_get_display (geginv_canvas));
                 g_usleep (50000);
         }
 
@@ -681,9 +681,8 @@ geginv_destroyed (GtkWidget *w, gpointer data)
 }
 
 static gboolean
-inv_expose (GtkWidget *widget, GdkEventExpose *event)
+inv_draw (GtkWidget *widget, cairo_t *cr)
 {
-        cairo_t *cr;
        GdkPixbuf *goat;
        GSList *li;
        int i, j;
@@ -693,11 +692,6 @@ inv_expose (GtkWidget *widget, GdkEventExpose *event)
                return TRUE;
        }
 
-       if ( ! gtk_widget_is_drawable (geginv_canvas))
-               return TRUE;
-
-        cr = gdk_cairo_create (gtk_widget_get_window (geginv_canvas));
-
         cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
         cairo_paint (cr);
 
@@ -755,10 +749,6 @@ inv_expose (GtkWidget *widget, GdkEventExpose *event)
                 cairo_fill (cr);
        }
 
-        cairo_destroy (cr);
-
-       gdk_flush ();
-
        if (inv_do_pause) {
                g_usleep (G_USEC_PER_SEC);
                inv_do_pause = FALSE;
@@ -773,6 +763,8 @@ gboolean gimp_lebl_dialog (void);
 gboolean
 gimp_lebl_dialog (void)
 {
+        GdkMonitor *monitor;
+        GdkRectangle workarea;
        GtkWidget *vbox;
        int i, j;
 
@@ -784,13 +776,16 @@ gimp_lebl_dialog (void)
        inv_width = 800;
        inv_height = 600;
 
-       if (inv_width > gdk_screen_get_width (gdk_screen_get_default ()) * 0.9) {
-               inv_width = gdk_screen_get_width (gdk_screen_get_default ()) * 0.9;
+        monitor = gimp_get_monitor_at_pointer ();
+        gdk_monitor_get_workarea (monitor, &workarea);
+
+       if (inv_width > workarea.width * 0.9) {
+               inv_width = workarea.width * 0.9;
                inv_height = inv_width * (600.0/800.0);
        }
 
-       if (inv_height > gdk_screen_get_height (gdk_screen_get_default ()) * 0.9) {
-               inv_height = gdk_screen_get_height (gdk_screen_get_default ()) * 0.9;
+       if (inv_height > workarea.height * 0.9) {
+               inv_height = workarea.height * 0.9;
                inv_width = inv_height * (800.0/600.0);
        }
 
@@ -840,8 +835,8 @@ gimp_lebl_dialog (void)
                          G_CALLBACK (inv_key_press), NULL);
        g_signal_connect (G_OBJECT (geginv), "key_release_event",
                          G_CALLBACK (inv_key_release), NULL);
-       g_signal_connect (G_OBJECT (geginv_canvas), "expose_event",
-                         G_CALLBACK (inv_expose), NULL);
+       g_signal_connect (G_OBJECT (geginv_canvas), "draw",
+                         G_CALLBACK (inv_draw), NULL);
 
        g_slist_foreach (inv_shots, (GFunc)g_free, NULL);
        g_slist_free (inv_shots);