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Added bindings support to GtkBuilder by introducing 3 new <property> attributes "bind-source" to specify the source object of the binding "bind-property" to specify the source property and "bind-flags" to specify the binding flags (optional)

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Binding an object sensitive property with a check button active property will look like this:

<object class="GtkButton" id="button">
  <property name="sensitive" bind-source="checkbutton" bind-property="active"/>
</object>

This is based on the original work done by Denis Washington for his GSoC project

This closes Bug 654417 "[GSoC] Add <binding> element to GtkBuilder syntax"
This commit is contained in:
Juan Pablo Ugarte
2014-04-11 16:24:04 -03:00
parent be9d1e0b3b
commit 887fc60cce
6 changed files with 212 additions and 7 deletions
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57
testsuite/gtk/builder.c
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@ -2777,6 +2777,62 @@ test_no_ids (void)
g_object_unref (builder);
}
static void
test_property_bindings (void)
{
const gchar *buffer =
"<interface>"
" <object class=\"GtkWindow\" id=\"window\">"
" <child>"
" <object class=\"GtkVBox\" id=\"vbox\">"
" <property name=\"visible\">True</property>"
" <property name=\"orientation\">vertical</property>"
" <child>"
" <object class=\"GtkCheckButton\" id=\"checkbutton\">"
" <property name=\"active\">false</property>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkButton\" id=\"button\">"
" <property name=\"sensitive\" bind-source=\"checkbutton\" bind-property=\"active\" bind-flags=\"sync-create\">false</property>"
" </object>"
" </child>"
" <child>"
" <object class=\"GtkButton\" id=\"button2\">"
" <property name=\"sensitive\" bind-source=\"checkbutton\" bind-property=\"active\" />"
" </object>"
" </child>"
" </object>"
" </child>"
" </object>"
"</interface>";
GtkBuilder *builder;
GObject *checkbutton, *button, *button2, *window;
builder = builder_new_from_string (buffer, -1, NULL);
checkbutton = gtk_builder_get_object (builder, "checkbutton");
g_assert (GTK_IS_CHECK_BUTTON (checkbutton));
g_assert (!gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbutton)));
button = gtk_builder_get_object (builder, "button");
g_assert (GTK_IS_BUTTON (button));
g_assert (!gtk_widget_get_sensitive (GTK_WIDGET (button)));
button2 = gtk_builder_get_object (builder, "button2");
g_assert (GTK_IS_BUTTON (button2));
g_assert (gtk_widget_get_sensitive (GTK_WIDGET (button2)));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbutton), TRUE);
g_assert (gtk_widget_get_sensitive (GTK_WIDGET (button)));
g_assert (gtk_widget_get_sensitive (GTK_WIDGET (button2)));
window = gtk_builder_get_object (builder, "window");
gtk_widget_destroy (GTK_WIDGET (window));
g_object_unref (builder);
}
int
main (int argc, char **argv)
{
@ -2827,6 +2883,7 @@ main (int argc, char **argv)
g_test_add_func ("/Builder/LevelBar", test_level_bar);
g_test_add_func ("/Builder/Expose Object", test_expose_object);
g_test_add_func ("/Builder/No IDs", test_no_ids);
g_test_add_func ("/Builder/Property Bindings", test_property_bindings);
return g_test_run();
}