#!/usr/bin/env python

# example colorsel.py

import gtk
import GDK

class ColorSelectionExample:
    # Color changed handler
    def color_changed_cb(self, widget):
        # Get drawingarea colormap
        colormap = self.drawingarea.get_colormap()

        # Get current color
        colordata = self.colorseldlg.colorsel.get_color()

        # Fit to a unsigned 16 bit integer (0..65535) and
        # insert into the GdkColor structure
        # And allocate color
        gdk_color = apply(colormap.alloc,
                          map(lambda color: int(color*65535.0), colordata))

        # Set window background color
        style = self.drawingarea.get_style().copy()
        style.bg[gtk.STATE_NORMAL] = gdk_color
        self.drawingarea.set_style(style)

        # Clear window
        self.drawingarea.draw_rectangle(style.bg_gc[gtk.STATE_NORMAL],
                                        gtk.TRUE, 0, 0, -1, -1)

    # Drawingarea event handler
    def area_event(self, widget, event):
        handled = gtk.FALSE

        # Check if we've received a button pressed event
        if event.type == GDK.BUTTON_PRESS:
            if self.colorseldlg == None:
                # Yes, we have an event and there's no colorseldlg yet!
                handled = gtk.TRUE

                # Create color selection dialog
                self.colorseldlg = gtk.GtkColorSelectionDialog(
                    "Select background color")

                # Get the ColorSelection widget
                colorsel = self.colorseldlg.colorsel

                # Connect to the "color_changed" signal
                # to the colorsel widget
                colorsel.connect("color_changed", self.color_changed_cb)
                self.colorseldlg.connect(
                    "delete_event", self.dialog_delete_cb)
                self.colorseldlg.ok_button.connect_object(
                    "clicked", self.colorseldlg.hide, self.colorseldlg)
                self.colorseldlg.cancel_button.connect_object(
                    "clicked", self.colorseldlg.hide, self.colorseldlg)
            # Show the dialog
            self.colorseldlg.show()
        return handled

    def dialog_delete_cb(self, widget, event):
        widget.hide()
        return gtk.TRUE

    # Close down and exit handler
    def destroy_window(self, widget, event):
        gtk.mainquit()
        return gtk.TRUE

    def __init__(self):
        self.colorseldlg = None
        # Create toplevel window, set title and policies
        window = gtk.GtkWindow(gtk.WINDOW_TOPLEVEL)
        window.set_title("Color selection test")
        window.set_policy(gtk.TRUE, gtk.TRUE, gtk.TRUE)

        # Attach to the "delete" and "destroy" events so we can exit
        window.connect("delete_event", self.destroy_window)
  
        # Create drawingarea, set size and catch button events
        self.drawingarea = gtk.GtkDrawingArea()
        self.drawingarea.size(200, 200)
        self.drawingarea.set_events(GDK.BUTTON_PRESS_MASK)
        self.drawingarea.connect("event",  self.area_event)
  
        # Add drawingarea to window, then show them both
        window.add(self.drawingarea)
        self.drawingarea.show()
        window.show()
  
def main():
    gtk.mainloop()
    return 0

if __name__ == "__main__":
    ColorSelectionExample()
    main()