Added generic About dialog.HEADmaster

4 files changed, 420 insertions, 0 deletions

diff --git a/ABOUT b/ABOUT
new file mode 100644
index 0000000..6255587
--- /dev/null
+++ b/ABOUT
@@ -0,0 +1 @@
+The "Hello world" Activity will print out "Hello world" on the screen. It is one of the simplest Activities possible in Sugar. Therefore, it can be used as a starting point to examine the activity code and create your own Sugar activity.
diff --git a/about.py b/about.py
new file mode 100644
index 0000000..6dd47a8
--- /dev/null
+++ b/about.py
@@ -0,0 +1,314 @@
+from gettext import gettext as _
+import gtk
+import gobject
+from sugar.graphics.toolbutton import ToolButton
+from sugar.graphics import style
+from sugar.graphics.icon import Icon
+from sugar.bundle.activitybundle import ActivityBundle
+from sugar.activity.activity import get_bundle_path
+from sugar.graphics.toolbutton import ToolButton
+from sugar.graphics.toolcombobox import ToolComboBox
+from sugar.graphics.combobox import ComboBox
+import os
+
+def get_info():
+    return { 10: { 'title':_('About this activity'),
+                   'widget':AboutThis},
+             20: { 'title':_('How to contribute'),
+                   'widget':AboutHacking},
+             30: { 'title':_('License'),
+                   'widget':AboutLicense},
+             40: { 'title':_('Credits'),
+                   'widget':AboutCredits},
+            }
+
+class AboutPanel(gtk.EventBox):
+    exists = False 
+    def __init__(self, *args, **kwargs):
+        super(AboutPanel, self).__init__(*args, **kwargs)
+
+        self.scrollwindow = gtk.ScrolledWindow()
+        self.scrollwindow.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
+        self.add(self.scrollwindow)
+        self.scrollwindow.show()
+
+        self.content_vbox = gtk.VBox()
+        self.viewport = gtk.Viewport()
+        self.viewport.add(self.content_vbox)
+        self.viewport.modify_bg(gtk.STATE_NORMAL, style.COLOR_WHITE.get_gdk_color())
+        self.scrollwindow.add(self.viewport)
+        self.show_all()
+
+    def add_section_from_file(self, filename, title=None):
+        text = None
+        filename = os.path.join(get_bundle_path(), filename)
+        lang = os.environ['LANG']
+        if lang.endswith("UTF-8"):
+            lang = lang[:-6]
+
+        try_file = filename + "." + lang
+        if os.path.isfile(try_file):
+            filename = try_file
+        else:
+            try_file = filename + "." + lang.split("_")[0]
+            if os.path.isfile(try_file):
+                filename = try_file
+
+        try:
+            fd = open(filename)
+            # remove 0x0c page breaks which can't be rendered in text views
+            text = fd.read().replace('\x0c', '')
+            fd.close()
+        except IOError:
+            return False 
+
+        if text:
+            self.add_section(text, title)
+            return True
+
+    def add_section(self, text, title=None):
+        if title:
+            vbox = gtk.VBox()
+            separator = gtk.HSeparator()
+            vbox.pack_start(separator, expand=False)
+            separator.show()
+
+            label= gtk.Label(title)
+            label.set_alignment(0, 0)
+            vbox.pack_start(label, expand=False)
+            label.show()
+            self.content_vbox.pack_start(vbox, expand=False)
+
+        vbox = gtk.VBox()
+        vbox.set_border_width(style.DEFAULT_SPACING * 2)
+
+        # This is a workaround in sweets
+        #view = gtk.Label(text)
+        #view.set_line_wrap(True)
+        #view.set_alignment(0, 0)
+
+        # FIXME: This is the prefered method, scrolling goes crazy in sweets
+        view = gtk.TextView()
+        view.unset_flags(gtk.CAN_FOCUS)
+        view.set_cursor_visible(False)
+        view.set_editable(False)
+        view.get_buffer().set_text(text)
+        view.set_wrap_mode(gtk.WRAP_WORD)
+
+        vbox.pack_start(view)
+        self.content_vbox.pack_start(vbox, expand=False, fill=False)
+        view.show()
+
+class AboutThis(AboutPanel):
+    def __init__(self, *args, **kwargs):
+        super(AboutThis, self).__init__(*args, **kwargs)
+        bundle_name = ActivityBundle(get_bundle_path()).get_bundle_name()
+        title = _("About %s Activity" % bundle_name)
+        self.exists += self.add_section_from_file("ABOUT", title)
+        title = _('News') 
+        self.exists += self.add_section_from_file("NEWS", title)
+        title = _('Read me') 
+        self.exists += self.add_section_from_file("README", title)
+        if not self.exists:
+            self.add_section(_("There is currently no ABOUT file for this activity."), title)
+
+class AboutLicense(AboutPanel):
+    def __init__(self, *args, **kwargs):
+        super(AboutLicense, self).__init__(*args, **kwargs)
+        title = _("Know your rights")
+        self.exists += self.add_section_from_file("COPYING", title)
+
+class AboutCredits(AboutPanel):
+    def __init__(self, *args, **kwargs):
+        super(AboutCredits, self).__init__(*args, **kwargs)
+        title = _("Authors")
+        self.exists += self.add_section_from_file("AUTHORS", title)
+        title = _("Mantainers")
+        self.exists += self.add_section_from_file("MANTAINERS", title)
+
+class AboutHacking(AboutPanel):
+    def __init__(self, *args, **kwargs):
+        super(AboutHacking, self).__init__(*args, **kwargs)
+        title = _("Contributing code")
+        self.exists += self.add_section_from_file("HACKING", title)
+        self.exists += self.add_section_from_file("DEVELOPING", title)
+        title = _("Pending development tasks")
+        self.exists += self.add_section_from_file("TODO", title)
+
+class AboutButton(ToolButton):
+    def __init__(self, activity, **kwargs):
+        ToolButton.__init__(self, 'activity-about', **kwargs)
+        self.props.tooltip = _('About this activity')
+        self.props.accelerator = '<Ctrl>H'
+        self.connect('clicked', self.__about_button_clicked_cb, activity)
+
+    def __about_button_clicked_cb(self, button, activity):
+        about_dialog = _AboutDialog()
+        about_dialog.set_transient_for(self.get_toplevel())
+        about_dialog.show_all()
+
+class _AboutDialog(gtk.Window):
+    def __init__(self):
+        super(_AboutDialog, self).__init__()
+
+        offset = style.GRID_CELL_SIZE
+        width = gtk.gdk.screen_width() - offset * 2
+        height = gtk.gdk.screen_height() - offset * 2
+        self.set_size_request(width, height)
+        self.set_border_width(style.LINE_WIDTH)
+
+        self.modify_bg(gtk.STATE_NORMAL, style.COLOR_WHITE.get_gdk_color())
+        vbox = gtk.VBox()
+        self.add(vbox)
+        vbox.show()
+        
+        self.set_position(gtk.WIN_POS_CENTER_ALWAYS)
+        self.set_decorated(False)
+        self.set_resizable(False)
+        self.set_modal(True)
+
+        self.toolbar = _DialogToolbar()
+        self.toolbar.connect('stop-clicked', self._stop_clicked_cb)
+        self.toolbar.connect('infopanel-changed', self._info_changed_cb)
+        vbox.pack_start(self.toolbar, False)
+
+        bundle = ActivityBundle(get_bundle_path())
+        icon = Icon(pixel_size=style.XLARGE_ICON_SIZE*2, file=bundle.get_icon())
+        icon_button = gtk.Button()
+        icon_button.set_image(icon)
+        icon_button.unset_flags(gtk.CAN_FOCUS)
+
+        container = gtk.VButtonBox()
+        container.add(icon_button)
+        container.set_layout(gtk.BUTTONBOX_START)
+
+        hbox = gtk.HBox()
+        hbox.set_border_width(style.DEFAULT_SPACING * 2)
+        hbox.set_spacing(style.DEFAULT_SPACING)
+        hbox.pack_start(container, expand=False, fill=False)
+        vbox.pack_start(hbox, expand=True, fill=True)
+
+        self.content_vbox = gtk.VBox()
+        self.content_vbox.set_border_width(style.DEFAULT_SPACING)
+        hbox.pack_start(self.content_vbox, expand=True, fill=True)
+
+        self._notebook = gtk.Notebook()
+        self._notebook.set_show_tabs(False)
+
+        self.panel = get_info()
+        for key in sorted(self.panel.keys()):
+            if self.panel[key]['widget']:
+                page = self.panel[key]['widget']()
+                if page.exists:
+                    self._notebook.append_page(page)
+                    self.toolbar.info_combo.append_item(key, self.panel[key]['title'])
+                    self.toolbar.panel[key]=self.panel[key]
+        self.content_vbox.pack_start(self._notebook)
+        self.toolbar.info_combo.set_active(0)
+
+        self.connect('realize', self._realize_cb)
+
+    def _stop_clicked_cb(self, source):
+        self.destroy()
+
+    def _info_changed_cb(self, source):
+        active = self.toolbar.info_combo.get_active()
+        self._notebook.set_current_page(active)
+
+    def _realize_cb(self, source):
+        self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
+        self.window.set_accept_focus(True)
+
+class _DialogToolbar(gtk.Toolbar):
+    panel = {} 
+    __gsignals__ = {
+        'stop-clicked'       : (gobject.SIGNAL_RUN_LAST, None, ()),
+        'infopanel-changed': (gobject.SIGNAL_RUN_FIRST,
+                          gobject.TYPE_NONE,
+                          ([])),
+    }
+    def __init__(self):
+        super(_DialogToolbar, self).__init__()
+
+        self._add_separator()
+        icon_button = Icon(pixel_size=style.STANDARD_ICON_SIZE,
+                            icon_name='activity-about')
+        #icon_button.connect('clicked', self._icon_button_clicked_cb)
+        self._add_widget(icon_button)
+        icon_button.unset_flags(gtk.CAN_FOCUS)
+
+        self._add_separator()
+        self.info_combo = ComboBox()
+        self.info_combo.props.sensitive = True
+        self._info_changed_cb_id = self.info_combo.connect('changed', 
+                                                self._info_changed_cb)
+        combotool = ToolComboBox(self.info_combo)
+        self.insert(combotool, -1)
+        combotool.show()
+
+        #self.panel = get_info()
+        #for key in sorted(self.panel.keys()):
+        #    self.info_combo.append_item(key, self.panel[key]['title'])
+        #self.info_combo.set_active(0)
+
+        self._back = ToolButton('go-previous-paired')
+        self._back.props.sensitive = False
+        self._back.connect('clicked', self.__go_back_cb)
+        self.insert(self._back, -1)
+        self._back.show()
+
+        self._forward = ToolButton('go-next-paired')
+        #self._forward.props.sensitive = False
+        self._forward.connect('clicked', self.__go_forward_cb)
+        self.insert(self._forward, -1)
+        self._forward.show()
+
+        self._add_separator(expand=True)
+
+        stop = ToolButton(icon_name='dialog-cancel')
+        stop.set_tooltip(_('Done'))
+        stop.connect('clicked', self._stop_clicked_cb)
+        self.add(stop)
+
+    def __go_back_cb(self, widget):
+        active = max(0, self.info_combo.get_active() - 1)
+        self.info_combo.set_active(active)
+        self._info_changed_cb(widget)
+        self.__set_nav_buttons(active)
+
+    def __go_forward_cb(self, widget):
+        active = min(len(self.panel.keys())-1, self.info_combo.get_active() + 1)
+        self.info_combo.set_active(active)
+        self._info_changed_cb(widget)
+        self.__set_nav_buttons(active)
+        
+    def __set_nav_buttons(self,active):
+        if active==0:
+            self._back.props.sensitive = False
+        else:
+            self._back.props.sensitive = True 
+
+        if active==len(self.panel.keys())-1:
+            self._forward.props.sensitive = False
+        else:
+            self._forward.props.sensitive = True 
+
+    def _info_changed_cb(self, widget):
+        self.__set_nav_buttons(widget.get_active())
+        self.emit('infopanel-changed')
+
+    def _add_separator(self, expand=False):
+        separator = gtk.SeparatorToolItem()
+        separator.set_expand(expand)
+        separator.set_draw(False)
+        self.add(separator)
+
+    def _add_widget(self, widget):
+        tool_item = gtk.ToolItem()
+        tool_item.add(widget)
+        self.add(tool_item)
+
+    def _stop_clicked_cb(self, button):
+        self.emit('stop-clicked')
+
+        
diff --git a/activity.py b/activity.py
index 5b06254..fe3da0b 100644
--- a/activity.py
+++ b/activity.py
@@ -29,6 +29,7 @@ from sugar.activity.widgets import TitleEntry
 from sugar.activity.widgets import StopButton
 from sugar.activity.widgets import ShareButton
 from sugar.activity.widgets import KeepButton
+from about import AboutButton
 
 class HelloWorldActivity(activity.Activity):
     """HelloWorldActivity class as specified in activity.info"""
@@ -66,6 +67,10 @@ class HelloWorldActivity(activity.Activity):
         toolbar_box.toolbar.insert(separator, -1)
         separator.show()
 
+        about_button = AboutButton(self)
+        toolbar_box.toolbar.insert(about_button, -1)
+        about_button.show()
+
         stop_button = StopButton(self)
         toolbar_box.toolbar.insert(stop_button, -1)
         stop_button.show()
diff --git a/icons/activity-about.svg b/icons/activity-about.svg
new file mode 100644
index 0000000..2d2c139
--- /dev/null
+++ b/icons/activity-about.svg
@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   height="55px"
+   viewBox="0 0 55 55"
+   width="55px"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.47 r22583"
+   sodipodi:docname="activity-about.svg">
+  <metadata
+     id="metadata14">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs12">
+    <inkscape:perspective
+       sodipodi:type="inkscape:persp3d"
+       inkscape:vp_x="0 : 27.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_z="55 : 27.5 : 1"
+       inkscape:persp3d-origin="27.5 : 18.333333 : 1"
+       id="perspective16" />
+    <inkscape:perspective
+       id="perspective2956"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+  </defs>
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1024"
+     inkscape:window-height="548"
+     id="namedview10"
+     showgrid="true"
+     inkscape:zoom="5.8969072"
+     inkscape:cx="27.5"
+     inkscape:cy="30.043706"
+     inkscape:window-x="0"
+     inkscape:window-y="28"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg2"
+     showguides="false">
+    <inkscape:grid
+       type="xygrid"
+       id="grid2818" />
+  </sodipodi:namedview>
+  <g
+     transform="translate(0,-0.125)"
+     id="g2920"
+     style="fill:none;stroke:#ffffff;stroke-opacity:1">
+    <path
+       style="fill:none;stroke:#ffffff;stroke-width:3.50000000000000000;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1"
+       d="m 50,27.625 c 0,12.3431 -10.1569,22.5 -22.5,22.5 C 15.1569,50.125 5,39.9681 5,27.625 5,15.2819 15.1569,5.125 27.5,5.125 c 12.3431,0 22.5,10.1569 22.5,22.5 z"
+       id="path2922" />
+  </g>
+  <text
+     xml:space="preserve"
+     style="font-size:40px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:#ff0000;font-family:Bitstream Vera Sans"
+     x="70.381355"
+     y="23.771187"
+     id="text2822"><tspan
+       sodipodi:role="line"
+       id="tspan2824"
+       x="70.381355"
+       y="23.771187" /></text>
+  <text
+     xml:space="preserve"
+     style="font-size:40px;font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke:#ffffff;font-family:Century Schoolbook L;-inkscape-font-specification:Century Schoolbook L Bold"
+     x="20.459162"
+     y="42.070423"
+     id="text2826"
+     sodipodi:linespacing="125%"><tspan
+       sodipodi:role="line"
+       id="tspan2828"
+       x="20.459162"
+       y="42.070423">i</tspan></text>
+</svg>