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| public class Gtk.CellRendererButton : Gtk.CellRenderer
{
private const int BUTTON_WIDTH = 13;
public signal void clicked ();
public Gtk.Button button
{
get;
construct;
}
private int indicator_size
{
get;
set;
default = BUTTON_WIDTH;
}
public bool inconsistent
{
get;
set;
default = false;
}
public bool activatable
{
get;
set;
default = true;
}
public string label
{
get
{
return this.button.label;
}
set
{
this.button.label = value;
}
}
construct
{
this.button = new Gtk.Button ();
}
public override void get_size (Gtk.Widget widget,
Gdk.Rectangle? cell_area,
out int x_offset, out int y_offset,
out int width, out int height)
{
int calc_width;
int calc_height;
calc_width = (int)(this.xpad * 2 + this.indicator_size);
calc_height = (int)(this.ypad * 2 + this.indicator_size);
if (&width != null)
{
width = calc_width;
}
if (&height != null)
{
height = calc_height;
}
if (cell_area != null)
{
if (&x_offset != null)
{
x_offset = (int)((widget.get_direction () == Gtk.TextDirection.RTL) ?
(1.0 - this.xalign) : this.xalign) * (cell_area.width - calc_width);
x_offset = int.max (x_offset, 0);
}
if (&y_offset != null)
{
y_offset = (int)(this.yalign * (cell_area.height - calc_height));
y_offset = int.max (y_offset, 0);
}
}
}
public override bool activate (Gdk.Event event, Gtk.Widget widget,
string path, Gdk.Rectangle background_area,
Gdk.Rectangle cell_area,
Gtk.CellRendererState flags)
{
this.clicked ();
return true;
}
public override void render (Gdk.Window window, Gtk.Widget widget,
Gdk.Rectangle background_area,
Gdk.Rectangle cell_area,
Gdk.Rectangle expose_area,
Gtk.CellRendererState flags)
{
int width, height;
int x_offset, y_offset;
Gtk.ShadowType shadow;
Gtk.StateType state = 0;
this.get_size (widget, cell_area, out x_offset, out y_offset,
out width, out height);
width -= (int)this.xpad * 2;
height -= (int)this.ypad * 2;
if (width > 0 && height > 0)
{
shadow = Gtk.ShadowType.IN;
if (!this.sensitive)
{
state = Gtk.StateType.INSENSITIVE;
}
else if ((flags & Gtk.CellRendererState.SELECTED) == Gtk.CellRendererState.SELECTED)
{
if (widget.has_focus)
{
state = Gtk.StateType.SELECTED;
}
else
{
state = Gtk.StateType.ACTIVE;
}
}
else
{
if (this.activatable)
{
state = Gtk.StateType.NORMAL;
}
else
{
state = Gtk.StateType.INSENSITIVE;
}
}
Gtk._button_paint (this.button, cell_area, state, shadow, "button", "defaultbutton");
}
}
} |
