If picture does no exist, warn and exit

[cascardo/movie.git] / gzv.py

diff --git a/gzv.py b/gzv.py
index dd25983..ac4dce3 100644 (file)
--- a/gzv.py
+++ b/gzv.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8; -*-
-# gzv.py - an user interface to generate-zooming-video
+# gzv.py - an user interface to select people in a picture
 #
 # Copyright (C) 2008  Lincoln de Sousa <lincoln@minaslivre.org>
 #
@@ -234,7 +234,6 @@ class Gzv(GladeLoader):
             self.balls.save_to_file(self.project.focus_points_file)
         fc.destroy()
 
-
     def load_project(self, project):
         self.project = project
         self.balls = self.load_balls_from_file(project.focus_points_file)
@@ -257,12 +256,19 @@ class Gzv(GladeLoader):
 
         self.draw.set_from_pixbuf(pixbuf)
         self.load_balls_to_treeview()
+        self.set_widgets_sensitivity(True)
 
     def unload_project(self):
         self.project = None
         self.image = None
         self.balls = BallManager()
         self.draw.queue_draw()
+        self.set_widgets_sensitivity(False)
+
+    def set_widgets_sensitivity(self, sensitive):
+        for i in 'toolbutton1', 'toolbutton5', 'scrolledwindow1', \
+                'hbox2', 'imagemenuitem3':
+            self.wid(i).set_sensitive(sensitive)
 
     def load_balls_to_treeview(self):
         self.model.clear()
@@ -305,6 +311,16 @@ class Gzv(GladeLoader):
                 i.selected = False
             ball.selected = True
 
+            # available space to the image
+            w = self.evtbox.get_allocation().width
+            h = self.evtbox.get_allocation().height
+
+            # point begining from the left image border
+            wib = self.point_with_border(ball)
+
+            #self.wid('viewport').get_vadjustment().value = wib.x # + (w / 2)
+            #self.wid('viewport').get_hadjustment().value = wib.y # + (h / 2)
+
             self.draw.queue_draw()
 
     def select_fp_from_image(self, ball):
@@ -339,6 +355,40 @@ class Gzv(GladeLoader):
 
         self.balls.save_to_file(self.project.focus_points_file)
 
+    def move_fp_up(self, *args):
+        selection = self.treeview.get_selection()
+        model, path = selection.get_selected()
+        if not path:
+            return
+
+        pos = model[path][0]
+        newpos = max(pos - 1, 0)
+        self.balls.insert(newpos, self.balls.pop(pos))
+
+        # normalizing the position of elements.
+        for index, item in enumerate(self.balls):
+            item.position = index
+
+        self.load_balls_to_treeview()
+        selection.select_path(str(newpos))
+
+    def move_fp_down(self, *args):
+        selection = self.treeview.get_selection()
+        model, path = selection.get_selected()
+        if not path:
+            return
+
+        pos = model[path][0]
+        newpos = min(pos + 1, len(self.balls))
+        self.balls.insert(newpos, self.balls.pop(pos))
+
+        # normalizing the position of elements.
+        for index, item in enumerate(self.balls):
+            item.position = index
+
+        self.load_balls_to_treeview()
+        selection.select_path(str(newpos))
+
     def expose_draw(self, draw, event):
         if not self.image:
             return