8 import util.misc as misc_utils
11 _moduleLogger = logging.getLogger(__name__)
14 class NavigationBox(gobject.GObject):
18 gobject.SIGNAL_RUN_LAST,
20 (gobject.TYPE_STRING, ),
23 gobject.SIGNAL_RUN_LAST,
25 (gobject.TYPE_STRING, ),
34 gobject.GObject.__init__(self)
35 self._eventBox = gtk.EventBox()
36 self._eventBox.connect("button_press_event", self._on_button_press)
37 self._eventBox.connect("button_release_event", self._on_button_release)
38 self._eventBox.connect("motion_notify_event", self._on_motion_notify)
40 self._isPortrait = True
41 self._clickPosition = self._NO_POSITION
47 def set_orientation(self, orientation):
48 if orientation == gtk.ORIENTATION_VERTICAL:
49 self._isPortrait = True
50 elif orientation == gtk.ORIENTATION_HORIZONTAL:
51 self._isPortrait = False
53 raise NotImplementedError(orientation)
56 return self._clickPosition != self._NO_POSITION
58 def get_state(self, newCoord):
59 if self._clickPosition == self._NO_POSITION:
64 newCoord[0] - self._clickPosition[0],
65 - (newCoord[1] - self._clickPosition[1])
69 newCoord[1] - self._clickPosition[1],
70 - (newCoord[0] - self._clickPosition[0])
72 absDelta = (abs(delta[0]), abs(delta[1]))
73 if max(*absDelta) < self.MINIMUM_MOVEMENT:
76 if absDelta[0] < absDelta[1]:
87 @misc_utils.log_exception(_moduleLogger)
88 def _on_button_press(self, widget, event):
89 if self._clickPosition != self._NO_POSITION:
90 _moduleLogger.debug("Ignoring double click")
91 self._clickPosition = event.get_coords()
93 self.emit("navigating", "clicking")
95 @misc_utils.log_exception(_moduleLogger)
96 def _on_button_release(self, widget, event):
97 assert self._clickPosition != self._NO_POSITION
99 mousePosition = event.get_coords()
100 state = self.get_state(mousePosition)
103 self._clickPosition = self._NO_POSITION
104 self.emit("action", state)
106 @misc_utils.log_exception(_moduleLogger)
107 def _on_motion_notify(self, widget, event):
108 if self._clickPosition == self._NO_POSITION:
111 mousePosition = event.get_coords()
112 newState = self.get_state(mousePosition)
113 self.emit("navigating", newState)
116 gobject.type_register(NavigationBox)
119 class StreamPresenter(object):
121 def __init__(self, store):
124 self._image = gtk.DrawingArea()
125 self._image.connect("expose_event", self._on_expose)
127 self._isPortrait = True
129 self._backgroundImage = None
132 self._buttonImage = None
140 def set_orientation(self, orientation):
141 if orientation == gtk.ORIENTATION_VERTICAL:
142 self._isPortrait = True
143 elif orientation == gtk.ORIENTATION_HORIZONTAL:
144 self._isPortrait = False
146 raise NotImplementedError(orientation)
148 self._image.queue_draw()
150 def set_state(self, stateImage):
151 if stateImage == self._imageName:
153 self._imageName = stateImage
154 self._buttonImage = self._store.get_surface_from_store(stateImage)
156 self._image.queue_draw()
158 def set_context(self, backgroundImage, title, subtitle):
159 self._backgroundImage = self._store.get_surface_from_store(backgroundImage)
161 self._subtitle = subtitle
164 backWidth = self._backgroundImage.get_width()
165 backHeight = self._backgroundImage.get_height()
167 backHeight = self._backgroundImage.get_width()
168 backWidth = self._backgroundImage.get_height()
169 self._image.set_size_request(backWidth, backHeight)
171 self._image.queue_draw()
173 @misc_utils.log_exception(_moduleLogger)
174 def _on_expose(self, widget, event):
175 cairoContext = self._image.window.cairo_create()
176 if not self._isPortrait:
177 cairoContext.transform(cairo.Matrix(0, 1, 1, 0, 0, 0))
178 self._draw_presenter(cairoContext)
180 def _draw_presenter(self, cairoContext):
181 rect = self._image.get_allocation()
182 self._dims = rect.width, rect.height
185 cairoContext.rectangle(
191 cairoContext.set_source_rgb(0, 0, 0)
195 if self._backgroundImage is not None:
196 cairoContext.set_source_surface(
197 self._backgroundImage,
203 pangoContext = self._image.create_pango_context()
205 titleLayout = pango.Layout(pangoContext)
206 titleLayout.set_markup(self._subtitle)
207 textWidth, textHeight = titleLayout.get_pixel_size()
208 subtitleTextX = self._dims[0] / 2 - textWidth / 2
209 subtitleTextY = self._dims[1] - textHeight - self._buttonImage.get_height() + 10
211 subtitleLayout = pango.Layout(pangoContext)
212 subtitleLayout.set_markup(self._title)
213 textWidth, textHeight = subtitleLayout.get_pixel_size()
214 textX = self._dims[0] / 2 - textWidth / 2
215 textY = subtitleTextY - textHeight
217 startContent = 30, textY - 5
218 endContent = self._dims[0] - 30, self._dims[1] - 5
221 cairoContext.rectangle(
224 endContent[0] - startContent[0],
225 endContent[1] - startContent[1],
227 cairoContext.set_source_rgba(0.9, 0.9, 0.9, 0.75)
231 if self._title or self._subtitle:
232 cairoContext.move_to(subtitleTextX, subtitleTextY)
233 cairoContext.set_source_rgb(0, 0, 0)
234 cairoContext.show_layout(titleLayout)
236 cairoContext.move_to(textX, textY)
237 cairoContext.set_source_rgb(0, 0, 0)
238 cairoContext.show_layout(subtitleLayout)
240 self._draw_state(cairoContext)
242 def _draw_state(self, cairoContext):
243 if self._backgroundImage is None or self._buttonImage is None:
245 cairoContext.set_source_surface(
247 self._dims[0] / 2 - self._buttonImage.get_width() / 2,
248 self._dims[1] - self._buttonImage.get_height() + 5,
253 class StreamMiniPresenter(object):
255 def __init__(self, store):
258 self._button = gtk.Image()
264 def set_orientation(self, orientation):
267 def set_state(self, stateImage):
268 self._store.set_image_from_store(self._button, stateImage)
270 def set_context(self, backgroundImage, title, subtitle):