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Write documentation for sugar3.graphics.ColorToolButton

Browse Source 
- add one example,

- part of feature Sugar3 Docs,
  https://wiki.sugarlabs.org/go/Features/Sugar3_Docs

Added documentation and example for Colorbutton
master
Hrishi 7 years ago committed by Ignacio Rodríguez
parent a735c7a6ce
commit f4fc8c0d1f
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GPG Key ID: 56C1623CF182C6B0
2 changed files with 129 additions and 1 deletions
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35
examples/colorbutton.py
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@ -0,0 +1,35 @@
from gi.repository import Gtk
from sugar3.graphics.toolbarbox import ToolbarBox
from sugar3.graphics.colorbutton import ColorToolButton
import common
test = common.Test()
test.show()
vbox = Gtk.VBox()
test.pack_start(vbox, True, True, 0)
vbox.show()
toolbar_box = ToolbarBox()
vbox.pack_start(toolbar_box, False, False, 0)
toolbar_box.show()
separator = Gtk.SeparatorToolItem()
toolbar_box.toolbar.insert(separator, -1)
separator.show()
def color_changed_cb(button, pspec):
print button.get_color()
color_button = ColorToolButton()
color_button.connect("notify::color", color_changed_cb)
toolbar_box.toolbar.insert(color_button, -1)
color_button.show()
if __name__ == '__main__':
common.main(test)

95
src/sugar3/graphics/colorbutton.py
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@ -38,7 +38,8 @@ def get_svg_color_string(color):
class _ColorButton(Gtk.Button):
"""This is a ColorButton for Sugar. It is similar to the Gtk.ColorButton,
"""
This is a ColorButton for Sugar. It is similar to the Gtk.ColorButton,
but does not have any alpha support.
Instead of a color selector dialog it will pop up a Sugar palette.
@ -90,6 +91,11 @@ class _ColorButton(Gtk.Button):
self._invoker.palette = self._palette
def create_palette(self):
'''
Create a new palette with selected color and title.
(Here the title is 'Choose a color' and the bgcolor
is black.)
'''
if self._has_palette:
self._palette = _ColorPalette(color=self._color,
primary_text=self._title)
@ -135,9 +141,24 @@ class _ColorButton(Gtk.Button):
color = GObject.property(type=object, getter=get_color, setter=set_color)
def set_icon_name(self, icon_name):
'''
Sets the icon for the tool button from a named themed icon.
If it is none then no icon will be shown.
Args:
icon_name(string): The name for a themed icon.
It can be set as 'None' too.
Example:
set_icon_name('view-radial')
'''
self._preview.props.icon_name = icon_name
def get_icon_name(self):
'''
The get_icon_name() method returns the value of the icon_name
property that contains the name of a themed icon or None.
'''
return self._preview.props.icon_name
icon_name = GObject.property(type=str,
@ -468,16 +489,53 @@ class ColorToolButton(Gtk.ToolItem):
return True
def set_accelerator(self, accelerator):
'''
Sets keyboard shortcut that activates this button.
Args:
accelerator(string): accelerator to be set. Should be in
form <modifier>Letter
Find about format here :
https://developer.gnome.org/gtk3/stable/gtk3-Keyboard-Accelerators.html#gtk-accelerator-parse
Example:
set_accelerator(self, 'accel')
'''
self._accelerator = accelerator
setup_accelerator(self)
def get_accelerator(self):
'''
Returns the above accelerator string.
'''
return self._accelerator
accelerator = GObject.property(type=str, setter=set_accelerator,
getter=get_accelerator)
def create_palette(self):
'''
The create_palette function is called when the palette needs to be
invoked. For example, when the user has right clicked the icon or
the user has hovered over the icon for a long time.
The create_palette will only be called once or zero times. The palette
returned will be stored and re-used if the user invokes the palette
multiple times.
Your create_palette implementation does not need to
:any:`Gtk.Widget.show` the palette, as this will be done by the
invoker. However, you still need to show
the menu items, etc that you place in the palette.
Returns:
sugar3.graphics.palette.Palette, or None to indicate that you
do not want a palette shown
The default implementation returns None, to indicate no palette should
be shown.
'''
self._palette = self.get_child().create_palette()
return self._palette
@ -515,35 +573,70 @@ class ColorToolButton(Gtk.ToolItem):
toolbar_box = property(get_toolbar_box)
def set_color(self, color):
'''
Sets the color of the colorbutton
'''
self.get_child().props.color = color
def get_color(self):
'''
Gets the above set color string.
'''
return self.get_child().props.color
color = GObject.property(type=object, getter=get_color, setter=set_color)
def set_icon_name(self, icon_name):
'''
Sets the icon for the tool button from a named themed icon.
If it is none then no icon will be shown.
Args:
icon_name(string): The name for a themed icon.
It can be set as 'None' too.
Example:
set_icon_name('view-radial')
'''
self.get_child().props.icon_name = icon_name
def get_icon_name(self):
'''
The get_icon_name() method returns the value of the icon_name
property that contains the name of a themed icon or None.
'''
return self.get_child().props.icon_name
icon_name = GObject.property(type=str,
getter=get_icon_name, setter=set_icon_name)
def set_icon_size(self, icon_size):
'''
Sets the size of icons in the colorbutton.
'''
self.get_child().props.icon_size = icon_size
def get_icon_size(self):
'''
Gets the size of icons in the colorbutton.
'''
return self.get_child().props.icon_size
icon_size = GObject.property(type=int,
getter=get_icon_size, setter=set_icon_size)
def set_title(self, title):
'''
The set_title() method sets the "title" property to the value of
title. The "title" property contains the string that is used to
set the colorbutton title.
'''
self.get_child().props.title = title
def get_title(self):
'''
Return the above title string.
'''
return self.get_child().props.title
title = GObject.property(type=str, getter=get_title, setter=set_title)

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