[Sugar-devel] [PATCH] Timer for resize that prevents repetitive resize operation.

[Gonzalo Odiard]

Thanks Manuel.
I have added a comment in the ticket
http://dev.laptop.org/ticket/10770#comment:3
Please contact me about any doubt.

Gonzalo


2011/7/1 Manuel Quiñones <manuq at laptop.org>

> Fixes OLPC #10770 .
>
> Signed-off-by: Manuel Quiñones <manuq at laptop.org>
> ---
>  Desenho.py |   20 ++++++++++++++++++--
>  1 files changed, 18 insertions(+), 2 deletions(-)
>
> diff --git a/Desenho.py b/Desenho.py
> index 9b6c7b5..5bab524 100644
> --- a/Desenho.py
> +++ b/Desenho.py
> @@ -68,7 +68,10 @@ import gtk
>  import logging
>  import math
>  import gc
> +import gobject
>
> +RESIZE_TIMER = 1500 # The time to wait for the resize operation to be
> +                    # executed, after the resize controls are pressed.
>
>  ##Pixmap manipulation
>  class Desenho:
> @@ -80,6 +83,7 @@ class Desenho:
>             @param  widget -- Area object (GtkDrawingArea)
>
>         """
> +        self.waiting_for_resize = False
>         #self.d = widget
>
>     def line(self, widget, coords):
> @@ -706,6 +710,15 @@ class Desenho:
>             @param  height_percent -- Percent of y scale
>
>         """
> +        self.width_percent = width_percent
> +        self.height_percent = height_percent
> +
> +        # Add a timer for resize if there isn't any already:
> +        if not self.waiting_for_resize:
> +            self.waiting_for_resize = True
> +            gobject.timeout_add(RESIZE_TIMER, self._do_resize, widget)
> +
> +    def _do_resize(self, widget):
>         width, height = widget.window.get_size()
>         widget.desenha = True
>         widget.selmove = True
> @@ -723,8 +736,8 @@ class Desenho:
>
>         w = self.pixbuf_resize.get_width()
>         h = self.pixbuf_resize.get_height()
> -        wr = int(w * width_percent)
> -        hr = int(h * height_percent)
> +        wr = int(w * self.width_percent)
> +        hr = int(h * self.height_percent)
>
>         resized = self.pixbuf_resize.scale_simple(wr, hr,
> gtk.gdk.INTERP_HYPER)
>
> @@ -750,6 +763,9 @@ class Desenho:
>         widget.queue_draw()
>         gc.collect()
>
> +        self.waiting_for_resize = False
> +        return False
> +
>     def polygon(self, widget, coords, temp, fill, param=None):
>         """Draw polygon.
>
> --
> 1.7.4.4
>
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