diff options
Diffstat (limited to 'grc/gui/Block.py')
| -rw-r--r-- | grc/gui/Block.py | 49 |
1 files changed, 20 insertions, 29 deletions
diff --git a/grc/gui/Block.py b/grc/gui/Block.py index d3659dd94a..225881fec8 100644 --- a/grc/gui/Block.py +++ b/grc/gui/Block.py @@ -52,10 +52,10 @@ class Block(Element, _Block): hide='all') Element.__init__(self) # needs the params - self._comment_pixmap = None + self._param_layouts = [] + self._comment_layout = None self._bg_color = Colors.BLOCK_ENABLED_COLOR self.has_busses = [False, False] # source, sink - self.layouts = [] def get_coordinate(self): """ @@ -123,14 +123,14 @@ class Block(Element, _Block): Colors.BLOCK_BYPASSED_COLOR if self.get_bypassed() else \ Colors.BLOCK_ENABLED_COLOR if self.get_enabled() else \ Colors.BLOCK_DISABLED_COLOR - del self.layouts[:] + del self._param_layouts[:] #create the main layout layout = Gtk.DrawingArea().create_pango_layout('') layout.set_markup('<span foreground="{foreground}" font_desc="{font}"><b>{name}</b></span>'.format( foreground='black' if self.is_valid() else 'red', font=BLOCK_FONT, name=Utils.encode(self.name) )) self.label_width, self.label_height = layout.get_pixel_size() - self.layouts.append(layout) + self._param_layouts.append(layout) #display the params if self.is_dummy_block: markups = ['<span foreground="black" font_desc="{font}"><b>key: </b>{key}</span>'.format( @@ -143,7 +143,7 @@ class Block(Element, _Block): layout = Gtk.DrawingArea().create_pango_layout('') layout.set_spacing(LABEL_SEPARATION*Pango.SCALE) layout.set_markup('\n'.join(markups)) - self.layouts.append(layout) + self._param_layouts.append(layout) w, h = layout.get_pixel_size() self.label_width = max(w, self.label_width) self.label_height += h + LABEL_SEPARATION @@ -175,9 +175,9 @@ class Block(Element, _Block): any(port.get_type() == 'bus' for port in ports) for ports in (self.get_sources_gui(), self.get_sinks_gui()) ] - self.create_comment_label() + self.create_comment_layout() - def create_comment_label(self): + def create_comment_layout(self): markups = [] # Show the flow graph complexity on the top block if enabled @@ -195,23 +195,11 @@ class Block(Element, _Block): markups.append('<span foreground="{foreground}" font_desc="{font}">{comment}</span>'.format( foreground='#444' if self.get_enabled() else '#888', font=BLOCK_FONT, comment=Utils.encode(comment) )) - layout = Gtk.DrawingArea().create_pango_layout('') - layout.set_markup(''.join(markups)) - - # Setup the pixel map. Make sure that layout not empty - width, height = layout.get_pixel_size() - if width and height: - padding = BLOCK_LABEL_PADDING - pixmap = self.parent.new_pixmap(width + 2 * padding, - height + 2 * padding) - gc = pixmap.new_gc() - gc.set_foreground(Colors.COMMENT_BACKGROUND_COLOR) - pixmap.draw_rectangle( - gc, True, 0, 0, width + 2 * padding, height + 2 * padding) - pixmap.draw_layout(gc, padding, padding, layout) - self._comment_pixmap = pixmap + if markups: + layout = self._comment_layout = Gtk.DrawingArea().create_pango_layout('') + layout.set_markup(''.join(markups)) else: - self._comment_pixmap = None + self._comment_layout = None def draw(self, widget, cr): """ @@ -230,7 +218,6 @@ class Block(Element, _Block): x, y = self.get_coordinate() # create the image surface width = self.label_width - height = self.label_height cr.set_source_rgb(*self._bg_color) cr.save() if self.is_horizontal(): @@ -245,7 +232,7 @@ class Block(Element, _Block): # draw the layouts h_off = 0 - for i, layout in enumerate(self.layouts): + for i, layout in enumerate(self._param_layouts): w, h = layout.get_pixel_size() if i == 0: w_off = (width - w) / 2 @@ -255,7 +242,7 @@ class Block(Element, _Block): PangoCairo.update_layout(cr, layout) PangoCairo.show_layout(cr, layout) cr.translate(-w_off, -h_off) - h_off = h + h_off + LABEL_SEPARATION + h_off += h + LABEL_SEPARATION cr.restore() def what_is_selected(self, coor, coor_m=None): @@ -274,8 +261,8 @@ class Block(Element, _Block): if port_selected: return port_selected return Element.what_is_selected(self, coor, coor_m) - def draw_comment(self, gc, window): - if not self._comment_pixmap: + def draw_comment(self, widget, cr): + if not self._comment_layout: return x, y = self.get_coordinate() @@ -284,4 +271,8 @@ class Block(Element, _Block): else: x += self.H + BLOCK_LABEL_PADDING - window.draw_drawable(gc, self._comment_pixmap, 0, 0, x, y, -1, -1) + cr.save() + cr.translate(x, y) + PangoCairo.update_layout(cr, self._comment_layout) + PangoCairo.show_layout(cr, self._comment_layout) + cr.restore() |