Changeset 51

Timestamp:

01/25/09 19:46:01 (3 years ago)

Author:

mirko

Message:

few minutes working on the index feature.

Files:

• branches/clutter-experiments/main.cc (modified) (4 diffs)

branches/clutter-experiments/main.cc

@@ -22 +22 @@
 }
 
+
+static gboolean
+on_page_enter(ClutterActor* actor, ClutterEvent *event, gpointer data)
+{
+  // Code snippet for a static member of the index class,
+  // data should point to the index instance, so one can 
+  // also click on a page and have its number.
+  // FIXME: cancel previous animation before starting a new one.
+  ClutterTimeline *timeline = clutter_timeline_new(20, 60);
+  clutter_timeline_set_loop(timeline, TRUE);
+  clutter_timeline_start(timeline);
+  ClutterEffectTemplate *effect_template = 
+    clutter_effect_template_new(timeline,
+                                CLUTTER_ALPHA_SINE_HALF);
+  gint x, y;
+  clutter_actor_get_position(actor, &x, &y);
+  clutter_effect_scale(effect_template, actor, 1.12, 1.12, NULL, NULL);
+  g_object_unref(effect_template);
+  g_object_unref(timeline);
+  return TRUE;
+}
+
+static gboolean
+on_page_leave(ClutterActor* actor, ClutterEvent *event, gpointer data)
+{
+  return TRUE;
+}
+
 static gboolean
 on_stage_button_press (ClutterStage *stage, ClutterEvent *event, gpointer data)
 {
-  gint x = 0;
-  gint y = 0;
+  gint x, y;
   clutter_event_get_coords (event, &x, &y);
   g_print ("Stage clicked at (%d, %d)\n", x, y);
@@ -44 +71 @@
 {
   // ...
+  // 1. animate to index when tab is pressed
+  // 2. navigate with the keyboard and/or mouse (see on_page_enter)
+  // 3. animate to the single page choosen (clicked or previous on esc)
+  //
 }
 /**
@@ -200 +231 @@
         }
       
-      double padding_x = (box_w - w)/2;
-      double padding_y = (box_h - h)/2;
-
-      cerr << w << ", " << h << ", " << aspect << endl;
+
+      //cerr << w << ", " << h << ", " << aspect << endl;
 
       ClutterActor* page = 
         CLUTTER_ACTOR(doc.page(ii).actor(pdfcube::page::LOW_RES));
-      guint sx, sy;
-      clutter_actor_get_size(page, &sx, &sy);
-      cerr << sx << ", " << sy << endl;
-
+      clutter_actor_set_size(page, (int)w, (int)h);
       clutter_actor_set_position(page, 
-                                 (int)(box_x + padding_x),
-                                 (int)(box_y + padding_y));
-      clutter_actor_set_size(page, (int)w, (int)h);
+                                 (int)(box_x + box_w/2),
+                                 (int)(box_y + box_h/2));
+      // THIS IS NOT RELATIVE TO ACTOR REAL SIZE, BUT TO ACTOR PERCEIVED SIZE
+      clutter_actor_set_anchor_point_from_gravity(page, CLUTTER_GRAVITY_CENTER);
       clutter_group_add_many(CLUTTER_GROUP(stage), page, NULL);
+      // Make actor reactive
+      clutter_actor_set_reactive(page, TRUE);
+      g_signal_connect (page, "enter-event",
+                        G_CALLBACK (on_page_enter), NULL);
+      g_signal_connect (page, "leave-event",
+                        G_CALLBACK (on_page_leave), NULL);
     }
 
@@ -225 +258 @@
                     G_CALLBACK (on_stage_button_press), NULL);
 
+
   //clutter_stage_hide_cursor (CLUTTER_STAGE (stage));
   clutter_actor_show (stage);