sugar-toolkit-gtk3/sugar/chat/sketchpad/Toolbox.py

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import pygtk
pygtk.require('2.0')
import gtk
import gobject
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class ColorButton(gtk.RadioButton):
def __init__(self, group, rgb):
gtk.RadioButton.__init__(self, group)
self._rgb = rgb
self.set_mode(False)
self.set_relief(gtk.RELIEF_NONE)
drawing_area = gtk.DrawingArea()
drawing_area.set_size_request(16, 16)
drawing_area.connect('expose_event', self.expose)
self.add(drawing_area)
drawing_area.show()
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def color(self):
return self._rgb
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def expose(self, widget, event):
rect = widget.get_allocation()
ctx = widget.window.cairo_create()
ctx.set_source_rgb(self._rgb[0], self._rgb[1] , self._rgb[2])
ctx.rectangle(0, 0, rect.width, rect.height)
ctx.fill()
return False
class Toolbox(gtk.VBox):
__gsignals__ = {
'tool-selected': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_STRING])),
'color-selected': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT]))
}
def __init__(self):
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gtk.VBox.__init__(self, False, 12)
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self._tools_group = None
self._colors_group = None
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self._tool_hbox = gtk.HBox(False, 2)
spring = gtk.Label()
self._tool_hbox.pack_start(spring, True)
spring.show()
self._add_tool('stock_draw-text', 'text')
self._add_tool('stock_draw-freeform-line', 'freehand')
spring = gtk.Label()
self._tool_hbox.pack_start(spring, True)
spring.show()
self.pack_start(self._tool_hbox)
self._tool_hbox.show()
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self._color_hbox = gtk.HBox(False, 2)
self._add_color([0, 0, 0])
self._add_color([1, 0, 0])
self._add_color([0, 1, 0])
self._add_color([0, 0, 1])
self.pack_start(self._color_hbox)
self._color_hbox.show()
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def _add_tool(self, icon, tool_id):
image = gtk.Image()
image.set_from_icon_name(icon, gtk.ICON_SIZE_LARGE_TOOLBAR)
tool = gtk.RadioButton(self._tools_group)
tool.set_mode(False)
tool.set_relief(gtk.RELIEF_NONE)
tool.set_image(image)
tool.connect('clicked', self.__tool_clicked_cb, tool_id)
self._tool_hbox.pack_start(tool, False)
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if self._tools_group == None:
self._tools_group = tool
tool.show()
def _add_color(self, rgb):
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color = ColorButton(self._colors_group, rgb)
color.connect('clicked', self.__color_clicked_cb, rgb)
self._color_hbox.pack_start(color, False)
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if self._colors_group == None:
self._colors_group = color
color.show()
def __tool_clicked_cb(self, button, tool_id):
self.emit("tool-selected", tool_id)
def __color_clicked_cb(self, button, rgb):
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self.emit("color-selected", button.color())