def __init__(self):
window = gtk.Window(gtk.WINDOW_TOPLEVEL)
window.set_title("Drawing Area Example")
window.connect("destroy", lambda w: gtk.main_quit())
self.area = gtk.DrawingArea()
self.area.set_size_request(400, 300)
self.pangolayout = self.area.create_pango_layout("")
self.sw = gtk.ScrolledWindow()
self.sw.add_with_viewport(self.area)
self.table = gtk.Table(2,2)
self.hruler = gtk.HRuler()
self.vruler = gtk.VRuler()
self.hruler.set_range(0, 400, 0, 400)
self.vruler.set_range(0, 300, 0, 300)
#self.table.attach(self.hruler, 1, 2, 0, 1, yoptions=0)
#self.table.attach(self.vruler, 0, 1, 1, 2, xoptions=0)
self.table.attach(self.sw, 1, 2, 1, 2)
window.add(self.table)
self.area.set_events(gtk.gdk.POINTER_MOTION_MASK |
gtk.gdk.POINTER_MOTION_HINT_MASK )
self.area.connect("expose-event", self.area_expose_cb)
def motion_notify(ruler, event):
return ruler.emit("motion_notify_event", event)
self.area.connect_object("motion_notify_event", motion_notify,
self.hruler)
self.area.connect_object("motion_notify_event", motion_notify,
self.vruler)
self.hadj = self.sw.get_hadjustment()
self.vadj = self.sw.get_vadjustment()
def val_cb(adj, ruler, horiz):
if horiz:
span = self.sw.get_allocation()[3]
else:
span = self.sw.get_allocation()[2]
l,u,p,m = ruler.get_range()
v = adj.value
ruler.set_range(v, v+span, p, m)
while gtk.events_pending():
gtk.main_iteration()
self.hadj.connect('value-changed', val_cb, self.hruler, True)
self.vadj.connect('value-changed', val_cb, self.vruler, False)
def size_allocate_cb(wid, allocation):
x, y, w, h = allocation
l,u,p,m = self.hruler.get_range()
m = max(m, w)
self.hruler.set_range(l, l+w, p, m)
l,u,p,m = self.vruler.get_range()
m = max(m, h)
self.vruler.set_range(l, l+h, p, m)
#self.sw.connect('size-allocate', size_allocate_cb)
''''self.area.show()
self.hruler.show()
self.vruler.show()
self.sw.show()
self.table.show()'''
window.show_all()
def __init__(self):
window = gtk.Window(gtk.WINDOW_TOPLEVEL)
window.connect("delete_event", self.close_application)
window.set_border_width(10)
# Create a table for placing the ruler and the drawing area
table = gtk.Table(3, 2, False)
window.add(table)
area = gtk.DrawingArea()
area.set_size_request(self.XSIZE, self.YSIZE)
table.attach(area, 1, 2, 1, 2, gtk.EXPAND | gtk.FILL, gtk.FILL, 0, 0)
area.set_events(gtk.gdk.POINTER_MOTION_MASK
| gtk.gdk.POINTER_MOTION_HINT_MASK)
# The horizontal ruler goes on top. As the mouse moves across the
# drawing area, a motion_notify_event is passed to the
# appropriate event handler for the ruler.
hrule = gtk.HRuler()
hrule.set_metric(gtk.PIXELS)
hrule.set_range(7, 13, 0, 20)
def motion_notify(ruler, event):
return ruler.emit("motion_notify_event", event)
area.connect_object("motion_notify_event", motion_notify, hrule)
table.attach(hrule, 1, 2, 0, 1, gtk.EXPAND | gtk.SHRINK | gtk.FILL,
gtk.FILL, 0, 0)
# The vertical ruler goes on the left. As the mouse moves across
# the drawing area, a motion_notify_event is passed to the
# appropriate event handler for the ruler.
vrule = gtk.VRuler()
vrule.set_metric(gtk.PIXELS)
vrule.set_range(0, self.YSIZE, 10, self.YSIZE)
area.connect_object("motion_notify_event", motion_notify, vrule)
table.attach(vrule, 0, 1, 1, 2, gtk.FILL,
gtk.EXPAND | gtk.SHRINK | gtk.FILL, 0, 0)
# Now show everything
area.show()
hrule.show()
vrule.show()
table.show()
window.show()
def __set_draw(self):
#vb=gtk.ScrolledWindow()
tg = gtk.Table(2, 2, False)
hrule = gtk.HRuler()
hrule.set_metric(gtk.PIXELS)
hrule.set_range(7, 13, 0, 20)
tg.attach(hrule, 1, 2, 0, 1, gtk.EXPAND | gtk.SHRINK | gtk.FILL,
gtk.FILL, 0, 0)
vrule = gtk.VRuler()
vrule.set_metric(gtk.PIXELS)
vrule.set_range(7, 13, 0, 20)
tg.attach(vrule, 0, 1, 1, 2, gtk.FILL,
gtk.EXPAND | gtk.SHRINK | gtk.FILL, 0, 0)
area = gtk.DrawingArea()
tg.attach(area, 1, 2, 1, 2)
#vb.add(tg)
#return vb
return tg
def initui(self):
""" Create the window and all of the UI widgets, and make them visible.
"""
## Creating the objects
# Create a window with custom accelerators
accels = gtk.AccelGroup()
self.window = gtk.Window()
self.window.set_title('DVI Display: %s' % self.path)
self.window.set_icon_name('display')
self.window.connect('destroy', self.destroy)
self.window.add_accel_group(accels)
# Use a table for the main layout.
# In it are rulers, a scrolling window for the image, and a toolbar.
self.table = gtk.Table(rows=3, columns=2)
self.hruler = gtk.HRuler()
self.vruler = gtk.VRuler()
self.scrollwindow = gtk.ScrolledWindow()
self.scrollwindow.set_policy(gtk.POLICY_AUTOMATIC,
gtk.POLICY_AUTOMATIC)
self.scrollwindow.get_hadjustment().connect('value-changed',
self.update_rulers)
self.scrollwindow.get_vadjustment().connect('value-changed',
self.update_rulers)
self.scrollwindow.connect('size-allocate', self.update_rulers)
# gtk.Image cannot scroll by itself, so we wrap it in a gtk.Viewport.
self.imageviewport = gtk.Viewport()
# Request mouse events
self.imageviewport.add_events(gtk.gdk.POINTER_MOTION_MASK
| gtk.gdk.BUTTON_PRESS_MASK
| gtk.gdk.BUTTON_RELEASE_MASK)
self.imageviewport.connect('motion-notify-event',
self.image_mouse_move)
self.imageviewport.connect(
'button-press-event',
lambda w, event: self.image_mouse_button(event.button, True))
self.imageviewport.connect(
'button-release-event',
lambda w, event: self.image_mouse_button(event.button, False))
self.imagedisplay = gtk.Image()
self.imagedisplay.set_alignment(0, 0)
# The toolbar is a simple H-box
self.toolbar = gtk.HBox()
# A button to display the mouse coordinates and copy them to clipboard
self.coordinates = gtk.Button('')
self.coordinates.get_child().set_markup(
'<span face="mono"> %4s %4s </span>' % ('', ''))
self.coordinates.connect('clicked', self.coordinates_clicked)
# Other toolbar widgets: previous, next, save, save all, progress
self.prevbutton = gtk.Button(stock=gtk.STOCK_MEDIA_PREVIOUS)
self.prevbutton.connect('clicked',
lambda b: self.display_image(self.index - 1))
self.nextbutton = gtk.Button(stock=gtk.STOCK_MEDIA_NEXT)
self.nextbutton.connect('clicked',
lambda b: self.display_image(self.index + 1))
self.savebutton = gtk.Button(stock=gtk.STOCK_SAVE)
self.savebutton.connect('clicked', lambda b: self.save_image(False))
self.saveallbutton = gtk.Button("Save _All")
self.saveallbutton.set_image(
gtk.image_new_from_stock(gtk.STOCK_SAVE, gtk.ICON_SIZE_BUTTON))
self.saveallbutton.connect('clicked', lambda b: self.save_image(True))
self.progress = gtk.ProgressBar()
# Update the toolbar, setting sensitivities and text
self.update_bar()
## Defining extra accelerators
self.nextbutton.add_accelerator('clicked', accels, ord('n'), 0, 0)
self.nextbutton.add_accelerator('clicked', accels, ord('j'), 0, 0)
self.nextbutton.add_accelerator('clicked', accels, ord('l'), 0, 0)
self.nextbutton.add_accelerator('clicked', accels, ord('.'), 0, 0)
self.nextbutton.add_accelerator('clicked', accels, ord('>'), 0, 0)
self.prevbutton.add_accelerator('clicked', accels, ord('p'), 0, 0)
self.prevbutton.add_accelerator('clicked', accels, ord('k'), 0, 0)
self.prevbutton.add_accelerator('clicked', accels, ord('h'), 0, 0)
self.prevbutton.add_accelerator('clicked', accels, ord(','), 0, 0)
self.prevbutton.add_accelerator('clicked', accels, ord('<'), 0, 0)
self.savebutton.add_accelerator('clicked', accels, ord('s'),
gtk.gdk.CONTROL_MASK, 0)
self.coordinates.add_accelerator('clicked', accels, ord('c'),
gtk.gdk.CONTROL_MASK, 0)
## Making the widget hierarchy
self.imageviewport.add(self.imagedisplay)
self.scrollwindow.add(self.imageviewport)
self.table.attach(self.hruler,
1,
2,
0,
1,
xoptions=gtk.FILL,
yoptions=gtk.FILL)
self.table.attach(self.vruler,
0,
1,
1,
2,
xoptions=gtk.FILL,
yoptions=gtk.FILL)
self.table.attach(self.scrollwindow, 1, 2, 1, 2)
self.toolbar.pack_start(self.prevbutton, expand=False)
self.toolbar.pack_start(self.coordinates, expand=False)
self.toolbar.pack_start(self.progress)
self.toolbar.pack_start(self.saveallbutton, expand=False)
self.toolbar.pack_start(self.savebutton, expand=False)
self.toolbar.pack_start(self.nextbutton, expand=False)
self.table.attach(self.toolbar, 0, 2, 2, 3, yoptions=gtk.FILL)
self.window.add(self.table)
## Show everything
self.window.show_all()
def __init__(self, winMain):
self.winMain = winMain
gtk.Table.__init__(self, 3, 3, False)
# Ruler horizontal/vertical
self.hruler = gtk.HRuler()
self.hruler.set_metric(gtk.PIXELS)
self.hruler.set_range(0, 11111, 0, 11111)
self.vruler = gtk.VRuler()
self.vruler.set_metric(gtk.PIXELS)
self.vruler.set_range(0, 11111, 0, 11111)
# Scrolled Window containing drawing Area
self.area = gtk.DrawingArea()
self.area.set_events(gtk.gdk.POINTER_MOTION_MASK
| gtk.gdk.POINTER_MOTION_HINT_MASK)
self.area.set_size_request(11111, 11111)
self.area.connect("expose-event", self.area_expose_cb)
self.sw = gtk.ScrolledWindow()
self.sw.add_with_viewport(self.area)
self.attach(self.hruler, 1, 2, 0, 1,
gtk.EXPAND | gtk.SHRINK | gtk.FILL, gtk.FILL,
0, 0)
self.attach(self.vruler, 0, 1, 1, 2, gtk.FILL,
gtk.EXPAND | gtk.SHRINK | gtk.FILL, 0, 0)
self.attach(self.sw, 1, 2, 1, 2, gtk.FILL, gtk.FILL, 0, 0)
# Tell mouse motion to rulers for updating the mouse position marker.
def motion_notify(ruler, event):
return ruler.emit("motion_notify_event", event)
self.sw.connect_object("motion_notify_event",
motion_notify, self.hruler)
self.sw.connect_object("motion_notify_event",
motion_notify, self.vruler)
# Set ruler scaling regarding to the visible area
def size_allocate_cb(wid, allocation):
x, y, w, h = allocation
#print("x: %d y: %d w:%d h:%d" % (x,y,w,h))
lower, upper, pos, maxSize = self.hruler.get_range()
maxSize = max(maxSize, w)
self.hruler.set_range(lower, lower + w, pos, maxSize)
lower, upper, pos, maxSize = self.vruler.get_range()
maxSize = max(maxSize, h)
self.vruler.set_range(lower, lower + h, pos, maxSize)
self.sw.connect('size-allocate', size_allocate_cb)
# Recalculate ruler ranges with respect to scroll window and mouse position
def val_cb(adj, ruler, horiz):
#print("lower: %d value: %d upper-page_size:%d upper:%d, page_size:%d" % (adj.lower, adj.value, adj.upper-adj.page_size,adj.upper,adj.page_size))
#position of the scrollbar between 'lower' and 'upper -page_size'.
#lower is 0, upper is the maximum value of the scroll region (self.are.set_size_request()), page_size is the scroll knob length.
v = adj.value
if horiz:
span = self.sw.get_allocation().width
else:
span = self.sw.get_allocation().height
lower, upper, pos, maxSize = ruler.get_range()
ruler.set_range(v, v + span, pos - v, maxSize)
while gtk.events_pending():
gtk.main_iteration()
self.hadj = self.sw.get_hadjustment()
self.hadj.connect('value-changed', val_cb, self.hruler,
True)
self.vadj = self.sw.get_vadjustment()
self.vadj.connect('value-changed', val_cb, self.vruler,
False)
self.hruler.show()
self.vruler.show()
self.sw.show()
self.area.show()
self.show()