[gnome-devel-docs] tutorials python: example of combobox
- From: Tiffany Antopolski <antopolski src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-devel-docs] tutorials python: example of combobox
- Date: Tue, 5 Jun 2012 19:35:42 +0000 (UTC)
commit 48a60c215940372b9846ccc2183b2bf8cf32943e
Author: Marta Maria Casetti <mmcasetti gmail com>
Date: Sat Jun 2 16:20:51 2012 +0100
tutorials python: example of combobox
platform-demos/C/combobox.py.page | 34 ++++++++++++++++++++
platform-demos/C/samples/combobox.py | 58 ++++++++++++++++++++++++++++++++++
platform-demos/Makefile.am | 2 +
3 files changed, 94 insertions(+), 0 deletions(-)
---
diff --git a/platform-demos/C/combobox.py.page b/platform-demos/C/combobox.py.page
new file mode 100644
index 0000000..f8aa193
--- /dev/null
+++ b/platform-demos/C/combobox.py.page
@@ -0,0 +1,34 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<page xmlns="http://projectmallard.org/1.0/"
+ xmlns:xi="http://www.w3.org/2001/XInclude"
+ type="guide" style="task"
+ id="combobox.py">
+ <info>
+ <link type="guide" xref="beginner.py#menu-combo-toolbar"/>
+ <revision version="0.1" date="2012-06-02" status="draft"/>
+
+ <credit type="author copyright">
+ <name>Marta Maria Casetti</name>
+ <email>mmcasetti gmail com</email>
+ <years>2012</years>
+ </credit>
+
+ <desc>A widget used to choose from a list of items</desc>
+ </info>
+
+ <title>ComboBox</title>
+ <media type="image" mime="image/png" src="media/combobox.png"/>
+ <p>This ComboBox prints to the terminal your selection when you change it.</p>
+
+<code mime="text/x-python" style="numbered"><xi:include href="samples/combobox.py" parse="text"><xi:fallback/></xi:include></code>
+<p>
+ In this sample we used the following:
+</p>
+<list>
+ <item><p><link href="http://developer.gnome.org/gtk3/3.4/GtkComboBox.html">GtkComboBox</link></p></item>
+ <item><p><link href="http://developer.gnome.org/gtk3/3.4/GtkListStore.html">GtkListStore</link></p></item>
+ <item><p><link href="http://developer.gnome.org/gtk3/3.4/Gtk.CellRendererText.html">GtkCellRendererText</link></p></item>
+ <item><p><link href="http://developer.gnome.org/gtk3/3.4/Gtk.CellLayout.html">GtkCellLayout</link></p></item>
+ <item><p><link href="http://git.gnome.org/browse/pygobject/tree/gi/overrides/Gtk.py">pygobject - Python bindings for GObject Introspection</link></p></item>
+</list>
+</page>
diff --git a/platform-demos/C/samples/combobox.py b/platform-demos/C/samples/combobox.py
new file mode 100644
index 0000000..e86044f
--- /dev/null
+++ b/platform-demos/C/samples/combobox.py
@@ -0,0 +1,58 @@
+from gi.repository import Gtk
+import sys
+
+distros = [["Select distribution"], ["Fedora"], ["Mint"], ["Suse"]]
+
+class MyWindow(Gtk.ApplicationWindow):
+ def __init__(self, app):
+ Gtk.Window.__init__(self, title="Welcome to GNOME", application=app)
+ self.set_default_size(200, -1)
+ self.set_border_width(10)
+
+ # the data in the model, of type string
+ listmodel = Gtk.ListStore(str)
+ # there is no insert_with_values in Python, we use append to
+ for i in range(len(distros)):
+ listmodel.append(distros[i])
+
+ # a combobox to see the data stored in the model
+ combobox = Gtk.ComboBox(model=listmodel)
+
+ # a cellrenderer
+ cell = Gtk.CellRendererText()
+ # packs the cell into the beginning of the combobox, allocating
+ # (False) no more space than needed
+ combobox.pack_start(cell, False)
+ # there is no set_attributes() in Python
+ # associates a property ("text") of the cellrenderer (cell) to a column (column 0)
+ # in the model used by the combobox
+ combobox.add_attribute(cell, "text", 0)
+ # the first row is the active one
+ combobox.set_active(0)
+
+ # when a row is selected, emit a signal
+ combobox.connect("changed", self.on_changed)
+
+ self.add(combobox)
+
+ def on_changed(self, combo):
+ # if the row selected is not the first one, write its value on the terminal
+ if combo.get_active() != 0:
+ print "You chose " + str(distros[combo.get_active()][0]) +"\n"
+ return True
+
+
+class MyApplication(Gtk.Application):
+ def __init__(self):
+ Gtk.Application.__init__(self, application_id="org.example.treeview_simple_liststore")
+
+ def do_activate(self):
+ win = MyWindow(self)
+ win.show_all()
+
+ def do_startup(self):
+ Gtk.Application.do_startup(self)
+
+app = MyApplication()
+exit_status = app.run(sys.argv)
+sys.exit(exit_status)
diff --git a/platform-demos/Makefile.am b/platform-demos/Makefile.am
index 75a24bb..d59e745 100644
--- a/platform-demos/Makefile.am
+++ b/platform-demos/Makefile.am
@@ -31,6 +31,7 @@ demo_sources = \
samples/checkbutton.c \
samples/checkbutton.py \
samples/checkbutton.vala \
+ samples/combobox.py \
samples/combobox.vala \
samples/dialog.js \
samples/dialog.py \
@@ -154,6 +155,7 @@ DOC_PAGES = \
checkbutton.c.page \
checkbutton.py.page \
checkbutton.vala.page \
+ combobox.py.page \
combobox.vala.page \
cpp.page \
desktop.js.page \
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