Move Color inside style

1 files changed, 78 insertions, 0 deletions

diff --git a/sugar/graphics/style.py b/sugar/graphics/style.py
index d1dffda..730f795 100644
--- a/sugar/graphics/style.py
+++ b/sugar/graphics/style.py
@@ -14,10 +14,88 @@
 # License along with this library; if not, write to the
 # Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 # Boston, MA 02111-1307, USA.
+
 import logging
 
 import gtk
 
+_system_colors = {
+    'toolbar-background'            : '#414141',
+    'frame-border'                  : '#D1D1D2',
+    'entry-background-focused'      : '#FFFFFF',
+    'entry-background-unfocused'    : '#414141',
+    'entry-selection-focused'       : '#D1D1D2',
+    'entry-selection-unfocused'     : '#00FF00',
+    'entry-text-focused'            : '#000000',
+    'entry-text-unfocused'          : '#FFFFFF',
+    'entry-border'                  : '#D1D1D2',
+    'label-text'                    : '#FFFFFF',
+    'desktop-background'            : '#E2E2E3'
+}
+
+def _html_to_rgb(html_color):
+    """ #RRGGBB -> (r, g, b) tuple (in float format) """
+
+    html_color = html_color.strip()
+    if html_color[0] == '#':
+        html_color = html_color[1:]
+    if len(html_color) != 6:
+        raise ValueError, "input #%s is not in #RRGGBB format" % html_color
+
+    r, g, b = html_color[:2], html_color[2:4], html_color[4:]
+    r, g, b = [int(n, 16) for n in (r, g, b)]
+    r, g, b = (r / 255.0, g / 255.0, b / 255.0)
+
+    return (r, g, b)
+
+def _rgba_to_int(r, g, b, a):
+    color = int(a * 255) + (int(b * 255) << 8) + \
+            (int(g * 255) << 16) + (int(r * 255) << 24)
+    return color
+
+class RGBColor(object):
+    def __init__(self, r, g, b, a=1.0):
+        self._r = r
+        self._g = g
+        self._b = b
+        self._a = a
+
+    def get_rgba(self):
+        return (self._r, self._g, self._b, self._a)
+
+    def get_int(self):
+        return _rgba_to_int(self._r, self._g, self._b, self._a)
+
+    def get_gdk_color(self):
+        return gtk.gdk.Color(int(self._r * 65535), int(self._g * 65535),
+                             int(self._b * 65535))
+
+class SystemColor(RGBColor):
+    def __init__(self, color_id):
+        rgb = _html_to_rgb(_system_colors[color_id])
+        RGBColor.__init__(self, *rgb)
+
+class Color(object):
+    RED                = RGBColor(1.0, 0.0, 0.0)
+    GREEN              = RGBColor(0.0, 1.0, 0.0)
+    BLUE               = RGBColor(0.0, 0.0, 1.0)
+    WHITE              = RGBColor(1.0, 1.0, 1.0)
+    BLACK              = RGBColor(0.0, 0.0, 0.0)
+
+    TOOLBAR_BACKGROUND          = SystemColor('toolbar-background')
+    FRAME_BORDER                = SystemColor('frame-border')
+    ENTRY_BACKGROUND_FOCUSED    = SystemColor('entry-background-focused')
+    ENTRY_BACKGROUND_UNFOCUSED  = SystemColor('entry-background-unfocused')
+    ENTRY_SELECTION_FOCUSED     = SystemColor('entry-selection-focused')
+    ENTRY_SELECTION_UNFOCUSED   = SystemColor('entry-selection-unfocused')
+    ENTRY_TEXT_FOCUSED          = SystemColor('entry-text-focused')
+    ENTRY_TEXT_UNFOCUSED        = SystemColor('entry-text-unfocused')
+    ENTRY_BORDER                = SystemColor('entry-border')
+    LABEL_TEXT                  = SystemColor('label-text')
+    DESKTOP_BACKGROUND          = SystemColor('desktop-background')
+
+### Deprecated: we should drop this once we removed stylesheets ###
+
 _styles = {}
 
 screen_factor = gtk.gdk.screen_width() / 1200.0