spin_ythickness_cb (GtkSpinButton *spin, gpointer user_data)
{
GtkWidget *frame = user_data;
- GtkRcStyle *rcstyle;
-
- rcstyle = gtk_rc_style_new ();
- rcstyle->xthickness = gtk_widget_get_style (frame)->xthickness;
- rcstyle->ythickness = gtk_spin_button_get_value (spin);
- gtk_widget_modify_style (frame, rcstyle);
-
- g_object_unref (rcstyle);
+ GtkCssProvider *provider;
+ GtkStyleContext *context;
+ gchar *data;
+ GtkBorder *pad;
+
+ context = gtk_widget_get_style_context (frame);
+ provider = g_object_get_data (G_OBJECT (frame), "provider");
+ if (provider == NULL)
+ {
+ provider = gtk_css_provider_new ();
+ g_object_set_data (G_OBJECT (frame), "provider", provider);
+ gtk_style_context_add_provider (context,
+ GTK_STYLE_PROVIDER (provider),
+ GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+ }
+
+ gtk_style_context_get (context, 0, "padding", &pad, NULL);
+
+ data = g_strdup_printf ("GtkFrame { padding: %d %d }",
+ pad->top,
+ (gint)gtk_spin_button_get_value (spin));
+
+ gtk_css_provider_load_from_data (provider, data, -1, NULL);
+ g_free (data);
+ gtk_border_free (pad);
+
+ gtk_style_context_invalidate (context);
+ gtk_widget_queue_resize (frame);
}
static void
spin_xthickness_cb (GtkSpinButton *spin, gpointer user_data)
{
GtkWidget *frame = user_data;
- GtkRcStyle *rcstyle;
-
- rcstyle = gtk_rc_style_new ();
- rcstyle->xthickness = gtk_spin_button_get_value (spin);
- rcstyle->ythickness = gtk_widget_get_style (frame)->ythickness;
- gtk_widget_modify_style (frame, rcstyle);
-
- g_object_unref (rcstyle);
+ GtkCssProvider *provider;
+ GtkStyleContext *context;
+ gchar *data;
+ GtkBorder *pad;
+
+ context = gtk_widget_get_style_context (frame);
+ provider = g_object_get_data (G_OBJECT (frame), "provider");
+ if (provider == NULL)
+ {
+ provider = gtk_css_provider_new ();
+ g_object_set_data (G_OBJECT (frame), "provider", provider);
+ gtk_style_context_add_provider (context,
+ GTK_STYLE_PROVIDER (provider),
+ GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+ }
+
+ gtk_style_context_get (context, 0, "padding", &pad, NULL);
+
+ data = g_strdup_printf ("GtkFrame { padding: %d %d }",
+ (gint)gtk_spin_button_get_value (spin),
+ pad->left);
+
+ gtk_css_provider_load_from_data (provider, data, -1, NULL);
+ g_free (data);
+ gtk_border_free (pad);
+
+ gtk_style_context_invalidate (context);
+ gtk_widget_queue_resize (frame);
}
/* Function to normalize rounding errors in FP arithmetic to
int main (int argc, char **argv)
{
- GtkStyle *style;
+ GtkStyleContext *context;
+ GtkBorder *pad;
GtkWidget *window, *frame, *xthickness_spin, *ythickness_spin, *vbox;
GtkWidget *xalign_spin, *yalign_spin, *button, *table, *label;
gfloat xalign, yalign;
table = gtk_table_new (4, 2, FALSE);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
- style = gtk_widget_get_style (frame);
+ context = gtk_widget_get_style_context (frame);
+ gtk_style_context_get (context, 0, "padding", &pad, NULL);
/* Spin to control xthickness */
label = gtk_label_new ("xthickness: ");
xthickness_spin = gtk_spin_button_new_with_range (0, 250, 1);
g_signal_connect (G_OBJECT (xthickness_spin), "value-changed", G_CALLBACK (spin_xthickness_cb), frame);
- gtk_spin_button_set_value (GTK_SPIN_BUTTON (xthickness_spin), style->xthickness);
+ gtk_spin_button_set_value (GTK_SPIN_BUTTON (xthickness_spin), pad->left);
gtk_table_attach_defaults (GTK_TABLE (table), xthickness_spin, 1, 2, 0, 1);
/* Spin to control ythickness */
ythickness_spin = gtk_spin_button_new_with_range (0, 250, 1);
g_signal_connect (G_OBJECT (ythickness_spin), "value-changed", G_CALLBACK (spin_ythickness_cb), frame);
- gtk_spin_button_set_value (GTK_SPIN_BUTTON (ythickness_spin), style->ythickness);
+ gtk_spin_button_set_value (GTK_SPIN_BUTTON (ythickness_spin), pad->top);
gtk_table_attach_defaults (GTK_TABLE (table), ythickness_spin, 1, 2, 1, 2);
+ gtk_border_free (pad);
+
gtk_frame_get_label_align (GTK_FRAME (frame), &xalign, &yalign);
/* Spin to control label xalign */