我们从Python开源项目中，提取了以下45个代码示例，用于说明如何使用gtk.gdk()。
def __init__(self): gtk.DrawingArea.__init__(self) self.graph = Graph() self.openfilename = None self.set_flags(gtk.CAN_FOCUS) self.add_events(gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK) self.connect("button-press-event", self.on_area_button_press) self.connect("button-release-event", self.on_area_button_release) self.add_events(gtk.gdk.POINTER_MOTION_MASK | gtk.gdk.POINTER_MOTION_HINT_MASK | gtk.gdk.BUTTON_RELEASE_MASK) self.connect("motion-notify-event", self.on_area_motion_notify) self.connect("scroll-event", self.on_area_scroll_event) self.connect("size-allocate", self.on_area_size_allocate) self.connect('key-press-event', self.on_key_press_event) self.x, self.y = 0.0, 0.0 self.zoom_ratio = 1.0 self.zoom_to_fit_on_resize = False self.animation = NoAnimation(self) self.drag_action = NullAction(self) self.presstime = None self.highlight = None
def display_frame(self,a,b): self.drawing_area.window.draw_rectangle(self.drawing_area.get_style().white_gc,False,0,0,799,599) if self.isBanner_mode: self.canvas.draw_rgb_image(self.gc,1,1,798,598,gtk.gdk.RGB_DITHER_NORMAL,self.img.tostring(),2400) #self.final=self.getOutput_frames() #self.final=cv2.cvtColor(self.final,cv2.cv.CV_BGR2RGB) elif not self.isBanner_mode: if self.final==None: self.final=self.getOutput_frames() self.final=cv2.cvtColor(self.final,cv2.cv.CV_BGR2RGB) self.drawing_area.queue_draw() return else: self.canvas.draw_rgb_image(self.gc,1,1,798,598,gtk.gdk.RGB_DITHER_NORMAL,self.final.tostring(),2400) self.final=self.getOutput_frames() self.final=cv2.cvtColor(self.final,cv2.cv.CV_BGR2RGB) self.drawing_area.queue_draw() #self.canvas.draw_rgb_image(self.gc,1,1,798,598,gtk.gdk.RGB_DITHER_NORMAL,self.final.tostring(),2400)
def draw(self, cr, highlight=False): cr2 = gtk.gdk.CairoContext(cr) pixbuf = gtk.gdk.pixbuf_new_from_file(self.path) sx = float(self.w)/float(pixbuf.get_width()) sy = float(self.h)/float(pixbuf.get_height()) cr.save() cr.translate(self.x0, self.y0 - self.h) cr.scale(sx, sy) cr2.set_source_pixbuf(pixbuf, 0, 0) cr2.paint() cr.restore()
def lookup_color(self, c): try: color = gtk.gdk.color_parse(c) except ValueError: pass else: s = 1.0/65535.0 r = color.red*s g = color.green*s b = color.blue*s a = 1.0 return r, g, b, a try: dummy, scheme, index = c.split('/') r, g, b = brewer_colors[scheme][int(index)] except (ValueError, KeyError): pass else: s = 1.0/255.0 r = r*s g = g*s b = b*s a = 1.0 return r, g, b, a sys.stderr.write("warning: unknown color '%s'\n" % c) return None
def on_motion_notify(self, event): if event.is_hint: x, y, state = event.window.get_pointer() else: x, y, state = event.x, event.y, event.state dot_widget = self.dot_widget item = dot_widget.get_url(x, y) if item is None: item = dot_widget.get_jump(x, y) if item is not None: dot_widget.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.HAND2)) dot_widget.set_highlight(item.highlight) else: dot_widget.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.ARROW)) dot_widget.set_highlight(None)
def start(self): self.dot_widget.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.FLEUR))
def stop(self): self.dot_widget.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.ARROW))
def get_drag_action(self, event): state = event.state if event.button in (1, 2): # left or middle button if state & gtk.gdk.CONTROL_MASK: return ZoomAction elif state & gtk.gdk.SHIFT_MASK: return ZoomAreaAction else: return PanAction return NullAction
def is_click(self, event, click_fuzz=4, click_timeout=1.0): assert event.type == gtk.gdk.BUTTON_RELEASE if self.presstime is None: # got a button release without seeing the press? return False # XXX instead of doing this complicated logic, shouldn't we listen # for gtk's clicked event instead? deltax = self.pressx - event.x deltay = self.pressy - event.y return (time.time() < self.presstime + click_timeout and math.hypot(deltax, deltay) < click_fuzz)
def on_area_scroll_event(self, area, event): if event.direction == gtk.gdk.SCROLL_UP: self.zoom_image(self.zoom_ratio * self.ZOOM_INCREMENT, pos=(event.x, event.y)) return True if event.direction == gtk.gdk.SCROLL_DOWN: self.zoom_image(self.zoom_ratio / self.ZOOM_INCREMENT, pos=(event.x, event.y)) return True return False
def __init__(self, graph, layout, scrollwin=None, ): gtk.DrawingArea.__init__(self) self._vg_graph = graph self._vg_layout = layout self._vg_scrollwin = scrollwin self.connect('expose-event', self.expose_event_cb) self.connect('button_press_event', self.button_press_event) self.set_events( self.get_events() | gtk.gdk.BUTTON_PRESS_MASK) self.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color()) self.modify_fg(gtk.STATE_NORMAL, gtk.gdk.Color(green=65535)) if scrollwin != None: scrollwin.connect('destroy', self.scroll_destroy_cb)
def expose_event_cb(self, layout, event): style = self.get_style() gc = style.fg_gc[gtk.STATE_NORMAL] rect = self.get_allocation() owidth = rect.width oheight = rect.height lwidth, lheight = self._vg_layout.getLayoutSize() for nid, ninfo in self._vg_graph.getNodes(): nwidth, nheight = ninfo.get('size', zero_zero) if nwidth == 0: continue xpos, ypos = ninfo.get('position', zero_zero) drawx = ((xpos * owidth) / lwidth) drawy = (ypos * oheight) / lheight sizex = owidth * nwidth / lwidth sizey = oheight * nheight / lheight colorstr = ninfo.get('color') if colorstr == None: colorstr = '#0f0' color = gtk.gdk.color_parse(colorstr) #self.modify_fg(gtk.STATE_NORMAL, color) self.window.draw_rectangle(gc, False, drawx, drawy, sizex, sizey) #c = self.window.cairo_create() #c.set_source_rgb(color.red / float(65535), color.green / float(65535), color.blue / float(65535)) #c.rectangle(drawx, drawy, sizex, sizey)# event.area.x, event.area.y, event.area.width, event.area.height) #c.set_line_width(0.5) #c.stroke()
def __init__(self, graph): gtk.Layout.__init__(self) vg_render.GraphRenderer.__init__(self, graph) self._vg_lines = [] self.connect('expose-event', self.expose_event_cb) self.connect('button_press_event', self.button_press_event) self.set_events( self.get_events() | gtk.gdk.BUTTON_PRESS_MASK) self.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color()) self.modify_fg(gtk.STATE_NORMAL, gtk.gdk.Color(green=65535))
def setNodeSizes(self, graph): for nid, ninfo in graph.getNodes(): # Skip "ghost" nodes... if ninfo.get('ghost'): continue widget = ninfo.get('widget') if widget == None: widget = gtk.Label(str(nid)) widget.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color()) widget.modify_fg(gtk.STATE_NORMAL, gtk.gdk.Color(green=65535)) ninfo['widget'] = widget # Put them all at 0,0 for now... self.put(widget, 0, 0) # Get them all to render... self.show_all() vw_main.doiterations() # Now that we have rendered them... for nid, ninfo in graph.getNodes(): widget = ninfo.get('widget') if widget == None: continue size = widget.size_request() ninfo['size'] = size
def lookup_color(self, c): try: color = gtk.gdk.color_parse(c) except ValueError: pass else: s = 1.0/65535.0 r = color.red*s g = color.green*s b = color.blue*s a = 1.0 return r, g, b, a try: dummy, scheme, index = c.split('/') r, g, b = brewer_colors[scheme][int(index)] except (ValueError, KeyError): pass else: s = 1.0/255.0 r = r*s g = g*s b = b*s a = 1.0 return r, g, b, a sys.stderr.write("unknown color '%s'\n" % c) return None
def pressed(self, widget, event): if not self.use_default_controls:return button1 = event.button == 1 button2 = event.button == 2 button3 = event.button == 3 if button1: self.select_prime(event.x, event.y) # select G-Code element if button3 and (event.type == gtk.gdk._2BUTTON_PRESS): self.clear_live_plotter() elif button1 or button2 or button3: self.startZoom(event.y) self.recordMouse(event.x, event.y)
def scroll(self, widget, event): if not self.use_default_controls:return if event.direction == gtk.gdk.SCROLL_UP: self.zoomin() elif event.direction == gtk.gdk.SCROLL_DOWN: self.zoomout()
