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examples/layout-manager: Toggle between states

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Instead of using two specific keys, toggle between the circular and grid
layouts using a single key.
This commit is contained in:
Emmanuele Bassi 2015-01-11 17:00:02 +00:00
parent 60dbeb9425
commit d56da0ace9
1 changed files with 20 additions and 11 deletions
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31
examples/layout-manager.c
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@ -35,6 +35,7 @@ GType multi_layout_get_type (void);
ClutterLayoutManager * multi_layout_new (void); ClutterLayoutManager * multi_layout_new (void);
void multi_layout_set_state (MultiLayout *layout, void multi_layout_set_state (MultiLayout *layout,
MultiLayoutState state); MultiLayoutState state);
MultiLayoutState multi_layout_get_state (MultiLayout *layout);
void multi_layout_set_spacing (MultiLayout *layout, void multi_layout_set_spacing (MultiLayout *layout,
float spacing); float spacing);
@ -299,6 +300,12 @@ multi_layout_set_state (MultiLayout *self,
clutter_layout_manager_layout_changed (CLUTTER_LAYOUT_MANAGER (self)); clutter_layout_manager_layout_changed (CLUTTER_LAYOUT_MANAGER (self));
} }
MultiLayoutState
multi_layout_get_state (MultiLayout *self)
{
return self->state;
}
void void
multi_layout_set_spacing (MultiLayout *self, multi_layout_set_spacing (MultiLayout *self,
float spacing) float spacing)
@ -340,20 +347,23 @@ on_key_press (ClutterActor *stage,
guint keysym = clutter_event_get_key_symbol (event); guint keysym = clutter_event_get_key_symbol (event);
MultiLayout *layout = (MultiLayout *) clutter_actor_get_layout_manager (box); MultiLayout *layout = (MultiLayout *) clutter_actor_get_layout_manager (box);
if (keysym == CLUTTER_KEY_q)
{
clutter_main_quit ();
return CLUTTER_EVENT_STOP;
}
switch (keysym) switch (keysym)
{ {
case CLUTTER_KEY_g: case CLUTTER_KEY_q:
multi_layout_set_state (layout, MULTI_LAYOUT_GRID); clutter_main_quit ();
break; break;
case CLUTTER_KEY_c: case CLUTTER_KEY_t:
multi_layout_set_state (layout, MULTI_LAYOUT_CIRCLE); {
MultiLayoutState state = multi_layout_get_state (layout);
if (state == MULTI_LAYOUT_GRID)
multi_layout_set_state (layout, MULTI_LAYOUT_CIRCLE);
if (state == MULTI_LAYOUT_CIRCLE)
multi_layout_set_state (layout, MULTI_LAYOUT_GRID);
}
break; break;
default: default:
@ -437,8 +447,7 @@ main (int argc, char *argv[])
label = clutter_text_new (); label = clutter_text_new ();
clutter_text_set_text (CLUTTER_TEXT (label), clutter_text_set_text (CLUTTER_TEXT (label),
"Press g\t\342\236\236\tGrid layout\n" "Press t\t\342\236\236\tToggle layout\n"
"Press c\t\342\236\236\tCircular layout\n"
"Press q\t\342\236\236\tQuit"); "Press q\t\342\236\236\tQuit");
clutter_actor_add_constraint (label, clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.5)); clutter_actor_add_constraint (label, clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.5));
clutter_actor_add_constraint (label, clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.95)); clutter_actor_add_constraint (label, clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.95));