QGL Slideshow - a simple Qt4 OpenGL slideshow app

Features:
  - recursive dir traversal
  - slideshow mode
  - fullscreen mode
  - zoom

Compile:
  [apt-get install libqt4-opengl-dev qmake-qt4]
  qmake [or qmake-qt4 depending on your distro]
  make

Install:
  cp bin/slideshow-qgl ~/bin/

Uninstall:
  rm ~/bin/slideshow-qgl

Usage:
  slideshow-qgl [directory]

Mouse controls:
  Left click = go to next image
  Right click = go to previous image
  Middle click = open new directory
  
  Left drag = pan
  Right drag = zoom

Keyboard controls:
  Left arrow = previous image
  Right arrow = next image
  Space = start / stop slideshow
  S = start / stop slideshow
  F11 = toggle fullscreen mode
  F = toggle fullscreen mode
  Q = quit

Requirements: Qt 4 OpenGL library (libqt4-opengl-dev)
You also need a display driver that supports GL_TEXTURE_RECTANGLE,
otherwise the images fail to display.

Author: Ilmari Heikkinen <ilmari.heikkinen@gmail.com>