Ticket #4134: 0001-Implement-OSK-resizing-on-the-AbiWidget.patch

AbiWordActivity.py

@@ -48 +48 @@
 from toolbar import InsertToolbar
 from toolbar import ParagraphToolbar
 from widgets import ExportButtonFactory
+from widgets import DocumentView
 from port import chooser
 
 import speech
@@ -65 +66 @@
         os.chdir(os.path.expanduser('~'))
 
         # create our main abiword canvas
-        self.abiword_canvas = Abi.Widget()
+        self.abiword_canvas = DocumentView()
         self._shared_activity = None
         self._new_instance = True
         toolbar_box = ToolbarBox()

widgets.py

@@ -247 +247 @@
         datastore.write(fileObject, transfer_ownership=True)
         fileObject.destroy()
         del fileObject
+
+class DocumentView(Abi.Widget):
+  def __init__(self):
+    Abi.Widget.__init__(self)
+    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.osk_changed = False
+    self.dy = 0
+
+  def __shallow_move_cb(self):
+    self.moveto_right()
+    return False
+
+  def __size_allocate_cb(self, widget, allocation):
+    self.set_allocation(allocation)
+
+    if self.get_child() is not None:
+      child_allocation = allocation
+      child_allocation.y = 0
+      child_allocation.x = 0
+      child_allocation.height -= self.dy
+      self.get_child().size_allocate(allocation)
+
+    if self.osk_changed is True:
+      self.moveto_left()
+      GLib.timeout_add(100, self.__shallow_move_cb)
+      self.osk_changed = False
+
+  def __request_clear_area_cb(self, widget, clear, cursor):
+    allocation = widget.get_allocation()
+    allocation.x, allocation.y = widget.get_window().get_root_coords(allocation.x, allocation.y)
+
+    if clear.y > allocation.y + allocation.height or \
+          clear.y + clear.height < allocation.y:
+      return False
+
+    self.dy = allocation.y + allocation.height - clear.y - 32
+
+    # Ensure there's at least some room for the view
+    if self.dy > allocation.height - 80:
+      self.dy = 0
+      return False
+
+    self.osk_changed = True
+    self.queue_resize()
+    return True
+
+  def __unset_clear_area_cb (self, widget, snap_back):
+    self.dy = 0
+    self.queue_resize()
+    return True