Difference between revisions of "Features/Evince Introspection Bindings"
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== Current status == | == Current status == | ||
* Targeted release: 0.96 | * Targeted release: 0.96 | ||
| − | * Last updated: | + | * Last updated: 04/11/2011 |
| − | * Percentage of completion: | + | * Percentage of completion: 80% |
== Initial information == | == Initial information == | ||
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app = HelloWorldApp() | app = HelloWorldApp() | ||
app.run(None) | app.run(None) | ||
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=== More information === | === More information === | ||
| − | + | Not directly related. Evince developers have a request to support epub format [https://bugzilla.gnome.org/show_bug.cgi?id=539347]. | |
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| − | + | We are implementing our own epub reader displaying it with webkit. If implemented in evince, we can simplify our code a lot. | |
== Benefit to Sugar == | == Benefit to Sugar == | ||
Revision as of 10:08, 4 November 2011
Summary
The pygtk bindings used until F14 to use the evince backend in Read activity, are no longer present in F16. We need use the new gi based bindings
Owner
Current status
- Targeted release: 0.96
- Last updated: 04/11/2011
- Percentage of completion: 80%
Initial information
- The bindings are not ready to use. We need work closely with upstream to solve the remaining issues.
There is a related bug https://bugzilla.gnome.org/show_bug.cgi?id=635705 the evince developers know we need it, and they are working on this. The patches are against evince 3.4 (shipped in F17), after review of the patches, we need look if it can be backported to evince 3.2 to update Fedora 16.
Implementation plan
The first step is port this simple demo to gtk3:
e = evince.View()
docmodel = evince.DocumentModel()
doc = evince.document_factory_get_document('file:///path/to/file/example.pdf')
docmodel.set_document(doc)
e.set_model(model)
With gtk 3 is:
from gi.repository import Gtk, Gio from gi.repository import EvinceDocument from gi.repository import EvinceView
class HelloWorldApp(Gtk.Application):
def __init__(self):
Gtk.Application.__init__(self, application_id="apps.test.helloevince",
flags=Gio.ApplicationFlags.FLAGS_NONE)
self.connect("activate", self.on_activate)
def on_activate(self, data=None):
window = Gtk.Window(type=Gtk.WindowType.TOPLEVEL)
window.set_title("Evince Gtk3 Python Example")
window.set_border_width(24)
scroll = Gtk.ScrolledWindow()
window.add(scroll)
EvinceDocument.init()
doc = EvinceDocument.Document.factory_get_document('file:///home/gonzalo/Desktop/AjedrezyLeyendas-Postmortem.pdf')
view = EvinceView.View()
model = EvinceView.DocumentModel()
model.set_document(doc)
view.set_model(model)
scroll.add(view)
window.show_all()
self.add_window(window)
if __name__ == "__main__":
app = HelloWorldApp()
app.run(None)
More information
Not directly related. Evince developers have a request to support epub format [1].
We are implementing our own epub reader displaying it with webkit. If implemented in evince, we can simplify our code a lot.
Benefit to Sugar
What is the benefit to the platform? If this is a major capability update, what has changed? If this is a new feature, what capabilities does it bring? Why will Sugar become a better platform or project because of this feature?
Make sure to note here as well if this feature has been requested by a specific deployment, or if it has emerged from a bug report.
Scope
What work do the developers have to accomplish to complete the feature in time for release? Is it a large change affecting many parts of the distribution or is it a very isolated change? What are those changes?
UI Design
Does the feature have a direct impact on the work flow, or does it need a UI? Link here mockups, or add detailed descriptions.
How To Test
User Experience
If this feature is noticeable by its target audience, how will their experiences change as a result? Describe what they will see or notice.
Dependencies
Contingency Plan
If you cannot complete your feature by the final development freeze, what is the backup plan? This might be as simple as "None necessary, revert to previous release behaviour." Or it might not. If your feature is not completed in time, we want to assure others that other parts of Sugar will not be in jeopardy.
Documentation
Is there upstream documentation on this feature, or notes you have written yourself? Has this topic been discussed in the mailing list or during a meeting? Link to that material here so other interested developers can get involved.
Release Notes
The Sugar Release Notes inform end-users about what is new in the release. An Example is 0.84/Notes. The release notes also help users know how to deal with platform changes such as ABIs/APIs, configuration or data file formats, or upgrade concerns. If there are any such changes involved in this feature, indicate them here. You can also link to upstream documentation if it satisfies this need. This information forms the basis of the release notes edited by the release team and shipped with the release.