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import numpy |
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import cairo |
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from math import pi |
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from gi.repository import Gtk,Gdk |
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def draw_rounded(cr, area, radius): |
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a,b,c,d=area |
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cr.arc(a + radius, c + radius, radius, 2*(pi/2), 3*(pi/2)) |
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cr.arc(b - radius, c + radius, radius, 3*(pi/2), 4*(pi/2)) |
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cr.arc(b - radius, d - radius, radius, 0*(pi/2), 1*(pi/2)) # ;o) |
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cr.arc(a + radius, d - radius, radius, 1*(pi/2), 2*(pi/2)) |
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cr.close_path() |
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def remove_button_padding(button): |
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data = """.button { |
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-GtkWidget-focus-line-width : 0px; |
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-GtkWidget-focus-padding : 0px; |
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padding: 0px; |
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}""" |
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provider = Gtk.CssProvider() |
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provider.load_from_data(data) |
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# 600 = GTK_STYLE_PROVIDER_PRIORITY_APPLICATION |
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button.get_style_context().add_provider(provider, 600) |
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class ColorGtkButton(Gtk.Button): |
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def __init__(self, rgb, *args, **kwargs): |
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Gtk.Button.__init__(self, *args, **kwargs) |
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self.add(ColorGtkImage(rgb, Gtk.IconSize.BUTTON, None)) |
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remove_button_padding(self) |
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class ColorGtkImage(Gtk.Image): |
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def __init__(self, rgb, size, radius, *args, **kwargs): |
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Gtk.Image.__init__(self, *args, **kwargs) |
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if type(size) is Gtk.IconSize: |
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_,w,h = Gtk.icon_size_lookup(size) |
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else: |
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w,h = size |
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r,g,b = map(float,rgb) |
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lw = 1 |
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radius = min(w/7.0,10) if radius is None else radius |
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surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, w,h) |
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cr = cairo.Context(surface) |
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cr.set_line_width(lw) |
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cr.set_source_rgb(r,g,b) |
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area = (lw, w-lw, lw, h-lw) #top,btm,left,right |
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draw_rounded(cr,area,radius) |
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cr.fill() |
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pb = Gdk.pixbuf_get_from_surface(surface,0,0,w,h) |
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self.set_from_pixbuf(pb) |
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if __name__ == "__main__": |
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box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL) |
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box.add( |
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ColorGtkButton((1,0,0)) |
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) |
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box.add( |
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ColorGtkButton((0,1,0)) |
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) |
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w = Gtk.Window() |
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w.connect("delete-event", Gtk.main_quit) |
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w.add(box) |
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w.show_all() |
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Gtk.main() |
