accessibility_0002_magnifier_extension.patch

2 files changed, 97 insertions, 0 deletions

diff --git a/extensions/globalkey/Makefile.am b/extensions/globalkey/Makefile.am
index 69afac2..49a8dd7 100644
--- a/extensions/globalkey/Makefile.am
+++ b/extensions/globalkey/Makefile.am
@@ -2,5 +2,6 @@ sugardir = $(pkgdatadir)/extensions/globalkey
 
 sugar_PYTHON = 		\
 	__init__.py	\
+	magnifier.py	\
 	screenshot.py	\
 	viewsource.py
diff --git a/extensions/globalkey/magnifier.py b/extensions/globalkey/magnifier.py
new file mode 100644
index 0000000..c25d9e7
--- /dev/null
+++ b/extensions/globalkey/magnifier.py
@@ -0,0 +1,96 @@
+# Copyright (C) 2010 Plan Ceibal <comunidad@plan.ceibal.edu.uy>
+
+import os
+
+import ConfigParser
+import logging
+import gobject
+
+from jarabe.view.viewsource import setup_view_source
+from sugar import env
+
+
+PATH_VMG_CONFIG = os.environ['HOME'] + '/.magnifier.ini'
+BOUND_KEYS = ['<shift>F13', 'F13', '<control>F13']
+
+def handle_key_press(key):
+    logger = logging.getLogger('magnifier')
+    logger.setLevel(logging.DEBUG)
+    logger.debug("Ejecutando magnifier......" + key)
+    if (key=='<shift>F13'):
+        set_ruta_archivo()
+        set_GraphicsTools()
+    if (key=='<control>F13'):
+        set_ruta_archivo()
+        set_InvertColors()
+    _run_cmd_async('launchVmg')
+
+def get_GraphicsTools():
+    return leer_config('General', 'GraphicsTools')
+
+def set_GraphicsTools():
+    grabar_config_GraphicsTools('General', 'GraphicsTools')
+
+def grabar_config_GraphicsTools(encabezado, etiqueta):
+    parser = ConfigParser.ConfigParser()
+    parser.read(PATH_VMG_CONFIG)
+    val_old = get_GraphicsTools()  
+    if val_old == '1':
+        parser.set(encabezado, etiqueta, '0')
+        arch = open(PATH_VMG_CONFIG, 'w')
+        parser.write(arch)
+        arch.close()
+    else:
+        parser.set(encabezado, etiqueta, '1')
+        arch = open(PATH_VMG_CONFIG, 'w')
+        parser.write(arch)
+        arch.close()    
+
+def get_InvertColors():
+    return leer_config('General', 'InvertColors')
+
+def set_InvertColors():
+    grabar_config_InvertColors('General', 'InvertColors')
+
+def grabar_config_InvertColors(encabezado, etiqueta):
+    parser = ConfigParser.ConfigParser()
+    parser.read(PATH_VMG_CONFIG)
+    val_old = get_InvertColors()  
+    if val_old == '1':
+        parser.set(encabezado, etiqueta, '0')
+        arch = open(PATH_VMG_CONFIG, 'w')
+        parser.write(arch)
+        arch.close()
+    else:
+        parser.set(encabezado, etiqueta, '1')
+        arch = open(PATH_VMG_CONFIG, 'w')
+        parser.write(arch)
+        arch.close() 
+
+def leer_config(encabezado, etiqueta):
+    parser = ConfigParser.ConfigParser()
+    parser.read(PATH_VMG_CONFIG)
+    return parser.get(encabezado, etiqueta)
+
+def set_ruta_archivo():
+    try:
+        f = file(PATH_VMG_CONFIG)
+    except:
+        PATH_VMG_CONFIG = "/root/.magnifier.ini"
+
+def _run_cmd_async(cmd):
+    logger = logging.getLogger('magnifier')
+    logger.setLevel(logging.DEBUG)
+    try:
+        gobject.spawn_async([find_and_absolutize('launchVmg')])
+        logger.debug("Ejecuto magnifier")
+    except Exception, e:
+        logger.debug("Error ejecutando magnifier" + str(e))
+ 
+def find_and_absolutize(script_name):
+    paths = env.os.environ['PATH'].split(':')
+    for path in paths:
+        looking_path =  path + '/' + script_name
+        if env.os.path.isfile(looking_path):
+            return looking_path
+    return None