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Features/GTK3/Porting/Typing Turtle (view source)

Revision as of 08:56, 2 August 2012

674 bytes added , 08:56, 2 August 2012

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= Port to Cairo =

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'''README''': before to port this activity to GTK3, we should port it to Cairo as the first step and then move to GTK3.

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'''README''': before to port this activity to GTK3, we should port it to Cairo as the first step and then move to GTK3. Here is the [PATCH http://bugs.sugarlabs.org/attachment/ticket/3772/0001-Port-to-Cairo.2.patch]

== Code Snippets ==

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cr.set_source_pixbuf(self.backgroundpixbuf, 0, 0)

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cr.rectangle(x, 0, self.backgroundpixbuf.get_width(),

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self.backgroundpixbuf.get_height())

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cr.paint()

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==== Gtk3 version ====

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Gdk.cairo_set_source_pixbuf(cr, self.backgroundpixbuf, 0, 0)

cr.rectangle(x, 0, self.backgroundpixbuf.get_width(),

self.backgroundpixbuf.get_height())

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Gdk.EventType.KEY_RELEASE

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~~----~~

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== Gdk.Keymap.translate_keyboard_state ==

* http://developer.gnome.org/gdk/stable/gdk-Keyboard-Handling.html#gdk-keymap-translate-keyboard-state

* http://www.pygtk.org/docs/pygtk/class-gdkkeymap.html#method-gdkkeymap--translate-keyboard-state

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~~----~~

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Old way:

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- def expose_cb(self, area, event):

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t = self.keymap.translate_keyboard_state(key['key-scan'], self.active_state, self.active_group)

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- self.draw()

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+ def draw_cb(self, area, cr):

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New way:

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+ self.draw(cr)

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success, keyval, effective_group, level, consumed_modifiers = self.keymap.translate_keyboard_state(key['key-scan'], self.active_state, self.active_group)

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== 'expose-event' & 'draw' event ==

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The new ''draw'' event that refers to the old ''expose-event'' into a Gtk.DrawingArea now receive the widget and the context instead the widget and the event:

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''expose-event''

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def expose_cb(self, area, event):

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self.draw()

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''draw'' event

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def draw_cb(self, area, cr):

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self.draw(cr)

= Notes =

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* [SOLVED] <del>This method, ''set_source_pixbuf'', is not available.</del>

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cr = ~~self.get_window().cairo_create()~~

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* [SOLVED] <del>We should find the correct way to scale Left and Right hands that are drawn over the keyboard, because I just put values that I thought they were correct. We should calculate them according to the screen</del>

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~~# README: http~~:/~~/developer.gnome.org/gdk/stable/gdk-Cairo-Interaction.html#gdk-cairo-set-source-pixbuf~~

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~~# Although this methos is not available in Python~~

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~~cr.set_source_pixbuf(self.backgroundpixbuf, 0, 0)~~

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~~Gdk.cairo_set_source_pixbuf(cr, self.backgroundpixbuf, 0, 0)~~

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* We should find the correct way to scale Left and Right hands that are drawn over the keyboard, because I just put values that I thought they were correct. We should calculate them according to the screen

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* PangoCairo fonts are not being drawn because of this: https://bugzilla.gnome.org/show_bug.cgi?id=680680

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* [SOLVED] <del>PangoCairo fonts are not being drawn because of this: https://bugzilla.gnome.org/show_bug.cgi?id=680680</del>

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* Font Scale is wrong: https://bugzilla.gnome.org/show_bug.cgi?id=680663

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* [SOLVED] <del>Font Scale is wrong: https://bugzilla.gnome.org/show_bug.cgi?id=680663</del>

= Useful links =

Humitos

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