[pitivi/ges: 114/287] Ensure that previewed videos fit within a reasonable size

[Jean-FranÃois Fortin Tam <jfft src gnome org>]

commit 23d08bbdd31cb27d001cf0ff064c01e89660cbaf
Author: Jean-FranÃois Fortin Tam <nekohayo gmail com>
Date:   Sat Dec 24 02:10:40 2011 -0500

    Ensure that previewed videos fit within a reasonable size

 pitivi/ui/mainwindow.py |   20 +++++++++++++++++---
 1 files changed, 17 insertions(+), 3 deletions(-)
---
diff --git a/pitivi/ui/mainwindow.py b/pitivi/ui/mainwindow.py
index eb5bcf3..c650003 100644
--- a/pitivi/ui/mainwindow.py
+++ b/pitivi/ui/mainwindow.py
@@ -1090,10 +1090,24 @@ class PitiviMainWindow(gtk.Window, Loggable):
         previewer.setMinimal()
         info = self.project.sources.getInfoFromUri(path)
         try:
-            image_width = info.get_video_streams()[0].get_width()
-            image_height = info.get_video_streams()[0].get_height()
+            # For videos and images, automatically resize the window
+            # Try to keep it 1:1 if it can fit within 85% of the parent window
+            img_width = info.get_video_streams()[0].get_width()
+            img_height = info.get_video_streams()[0].get_height()
             controls_height = previewer.bbox.size_request()[1]
-            preview_window.resize(image_width, image_height + controls_height)
+            mainwindow_width, mainwindow_height = self.get_size()
+            max_width = 0.85 * mainwindow_width
+            max_height = 0.85 * mainwindow_height
+            if img_width < max_width \
+                and (img_height + controls_height) < max_height:
+                # The video is small enough, keep it 1:1
+                preview_window.resize(img_width, img_height + controls_height)
+            else:
+                # The video is too big, size it down
+                # TODO: be smarter, figure out which (width, height) is bigger
+                new_height = max_width * img_height / img_width
+                preview_window.resize(int(max_width),
+                    int(new_height + controls_height))
         except:
             # There is no video/image stream. This is an audio file.
             # Resize to the minimum and let the window manager deal with it