sugarlabs/sugar-toolkit-gtk3
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OSK support: canvas auto panning based on input focus

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Listen to the 'request-clear-area' and 'unset-clear-area'
of the widget and adjust allocation accordingly.

Signed-off-by: Carlos Garnacho <carlos@lanedo.com>
Acked-by: Simon Schampijer <simon@laptop.org>
This commit is contained in:
Simon Schampijer 2012-09-18 09:37:35 +02:00
parent 1f9684c7bf
commit b44a235d9f
1 changed files with 21 additions and 0 deletions
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21
src/sugar3/graphics/window.py
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@ -94,6 +94,14 @@ class Window(Gtk.Window):
self.connect('realize', self.__window_realize_cb)
self.connect('key-press-event', self.__key_press_cb)
# OSK support: canvas auto panning based on input focus
if GObject.signal_lookup('request-clear-area', Window) != 0 and \
GObject.signal_lookup('unset-clear-area', Window) != 0:
self.connect('size-allocate', self.__size_allocate_cb)
self.connect('request-clear-area', self.__request_clear_area_cb)
self.connect('unset-clear-area', self.__unset_clear_area_cb)
self._clear_area_dy = 0
self._toolbar_box = None
self._alerts = []
self._canvas = None
@ -277,6 +285,19 @@ class Window(Gtk.Window):
self._unfullscreen_button_timeout_id = None
return False
def __request_clear_area_cb(self, activity, osk_rect, cursor_rect):
self._clear_area_dy = cursor_rect.y + cursor_rect.height - osk_rect.y
self.queue_resize()
def __unset_clear_area_cb(self, activity, snap_back):
self._clear_area_dy = 0
self.queue_resize()
def __size_allocate_cb(self, widget, allocation):
self.set_allocation(allocation)
allocation.y -= self._clear_area_dy
self.__vbox.size_allocate(allocation)
def set_enable_fullscreen_mode(self, enable_fullscreen_mode):
self._enable_fullscreen_mode = enable_fullscreen_mode