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scroll to the end when we shrink conversation window. fixes #3078

This commit is contained in:
Yann Leboulanger 2007-04-17 09:41:22 +00:00
parent c78a8b4380
commit 230eadd010
1 changed files with 24 additions and 9 deletions
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33
src/chat_control.py
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@ -144,6 +144,11 @@ class ChatControlBase(MessageControl):
id = widget.connect('value-changed',
self.on_conversation_vadjustment_value_changed)
self.handlers[id] = widget
id = widget.connect('changed',
self.on_conversation_vadjustment_changed)
self.handlers[id] = widget
self.scroll_to_end_id = None
self.was_at_the_end = True
# add MessageTextView to UI and connect signals
self.msg_scrolledwindow = self.xml.get_widget('message_scrolledwindow')
self.msg_textview = MessageTextView()
@ -551,7 +556,7 @@ class ChatControlBase(MessageControl):
full_jid = self.get_full_jid()
textview = self.conv_textview
end = False
if textview.at_the_end() or kind == 'outgoing':
if self.was_at_the_end or kind == 'outgoing':
end = True
textview.print_conversation_line(text, jid, kind, name, tim,
other_tags_for_name, other_tags_for_time, other_tags_for_text,
@ -657,7 +662,7 @@ class ChatControlBase(MessageControl):
def set_control_active(self, state):
if state:
jid = self.contact.jid
if self.conv_textview.at_the_end():
if self.was_at_the_end:
# we are at the end
type_ = 'printed_' + self.type_id
if self.type_id == message_control.TYPE_GC:
@ -672,18 +677,23 @@ class ChatControlBase(MessageControl):
def bring_scroll_to_end(self, textview, diff_y = 0):
''' scrolls to the end of textview if end is not visible '''
if self.scroll_to_end_id:
# a scroll is already planned
return
buffer = textview.get_buffer()
end_iter = buffer.get_end_iter()
end_rect = textview.get_iter_location(end_iter)
visible_rect = textview.get_visible_rect()
# scroll only if expected end is not visible
if end_rect.y >= (visible_rect.y + visible_rect.height + diff_y):
gobject.idle_add(self.scroll_to_end_iter, textview)
self.scroll_to_end_id = gobject.idle_add(self.scroll_to_end_iter,
textview)
def scroll_to_end_iter(self, textview):
buffer = textview.get_buffer()
end_iter = buffer.get_end_iter()
textview.scroll_to_iter(end_iter, 0, False, 1, 1)
self.scroll_to_end_id = None
return False
def size_request(self, msg_textview , requisition):
@ -741,7 +751,15 @@ class ChatControlBase(MessageControl):
return True
def on_conversation_vadjustment_value_changed(self, widget):
def on_conversation_vadjustment_changed(self, adjustment):
# used to stay at the end of the textview when we shrink conversation
# textview.
if self.was_at_the_end:
self.conv_textview.bring_scroll_to_end(-18)
self.was_at_the_end = (adjustment.upper - adjustment.value - adjustment.page_size) < 18
def on_conversation_vadjustment_value_changed(self, adjustment):
self.was_at_the_end = (adjustment.upper - adjustment.value - adjustment.page_size) < 18
if self.resource:
jid = self.contact.get_full_jid()
else:
@ -753,12 +771,9 @@ class ChatControlBase(MessageControl):
type_])):
return
if self.conv_textview.at_the_end() and \
self.parent_win.get_active_control() == self and \
self.parent_win.window.is_active():
self.parent_win.get_active_control() == self and \
self.parent_win.window.is_active():
# we are at the end
type_ = self.type_id
if type_ == message_control.TYPE_GC:
type_ = 'gc_msg'
if not gajim.events.remove_events(self.account, self.get_full_jid(),
types = ['printed_' + type_, type_]):
# There were events to remove