diff options
Diffstat (limited to 'draw_piano.py')
| -rwxr-xr-x | draw_piano.py | 66 |
1 files changed, 31 insertions, 35 deletions
diff --git a/draw_piano.py b/draw_piano.py index 48df9eb..67835b5 100755 --- a/draw_piano.py +++ b/draw_piano.py @@ -9,21 +9,22 @@ # http://wiki.laptop.org/images/4/4e/Tamtamhelp2.png # -import gobject -import gtk -import cairo +from gi.repository import GObject +from gi.repository import Gtk +from gi.repository import Gdk +from gi.repository import cairo -class PianoKeyboard(gtk.DrawingArea): +class PianoKeyboard(Gtk.DrawingArea): - __gsignals__ = {'key_pressed': (gobject.SIGNAL_RUN_FIRST, - gobject.TYPE_NONE, - ([gobject.TYPE_INT, gobject.TYPE_INT, - gobject.TYPE_STRING])), - 'key_released': (gobject.SIGNAL_RUN_FIRST, - gobject.TYPE_NONE, - ([gobject.TYPE_INT, gobject.TYPE_INT, - gobject.TYPE_STRING]))} + __gsignals__ = {'key_pressed': (GObject.SignalFlags.RUN_FIRST, + None, + ([GObject.TYPE_INT, GObject.TYPE_INT, + GObject.TYPE_STRING])), + 'key_released': (GObject.SignalFlags.RUN_FIRST, + None, + ([GObject.TYPE_INT, GObject.TYPE_INT, + GObject.TYPE_STRING]))} def __init__(self, octaves=1, add_c=False, labels=None): self._octaves = octaves @@ -37,13 +38,17 @@ class PianoKeyboard(gtk.DrawingArea): self._l_keys_areas = [0, 3] self._t_keys_areas = [1, 4, 5] self._j_keys_areas = [2, 6] - self.connect('expose_event', self.expose) + + self.connect('size-allocate', self.__allocate_cb) + self.connect('draw', self.__draw_cb) self.connect('button_press_event', self.__button_press_cb) self.connect('button_release_event', self.__button_release_cb) self.connect('motion_notify_event', self.__motion_notify_cb) - self.set_events(gtk.gdk.EXPOSURE_MASK | gtk.gdk.BUTTON_PRESS_MASK | \ - gtk.gdk.BUTTON_RELEASE_MASK | gtk.gdk.POINTER_MOTION_MASK | \ - gtk.gdk.POINTER_MOTION_HINT_MASK) + self.set_events(Gdk.EventMask.EXPOSURE_MASK | + Gdk.EventMask.BUTTON_PRESS_MASK | \ + Gdk.EventMask.BUTTON_RELEASE_MASK | + Gdk.EventMask.POINTER_MOTION_MASK | \ + Gdk.EventMask.POINTER_MOTION_HINT_MASK) def set_labels(self, labels): self._labels = labels @@ -82,11 +87,11 @@ class PianoKeyboard(gtk.DrawingArea): # if this is a hint, then let's get all the necessary # information, if not it's all we need. if event.is_hint: - x, y, state = event.window.get_pointer() + _todo, x, y, state = event.window.get_pointer() else: x = event.x y = event.y - state = event.state + state = event.get_state() key_found = self.__get_key_at_position(x, y) if key_found != self._pressed_key: @@ -142,29 +147,20 @@ class PianoKeyboard(gtk.DrawingArea): except: return "" - def expose(self, widget, event): - rect = self.get_allocation() + def __allocate_cb(self, widget, rect): self.calculate_sizes(rect.width) - ctx = widget.window.cairo_create() - - # set a clip region for the expose event - ctx.rectangle(event.area.x, event.area.y, event.area.width, - event.area.height) - ctx.clip() + def __draw_cb(self, widget, ctx): # calculate text height - ctx.select_font_face("Sans", cairo.FONT_SLANT_NORMAL, - cairo.FONT_WEIGHT_NORMAL) + # TODO: + #ctx.select_font_face("Sans", cairo.FONT_SLANT_NORMAL, + # cairo.FONT_WEIGHT_NORMAL) ctx.set_font_size(self.font_size) x_bearing, y_bearing, width, height, x_advance, y_advance = \ ctx.text_extents('M') self._text_height = height - self.draw(ctx) - return False - - def draw(self, ctx): for n in range(0, self._octaves): self.draw_octave(ctx, n) if self._add_c: @@ -418,16 +414,16 @@ def print_key_released(widget, octave_clicked, key_clicked, letter): def main(): - window = gtk.Window() + window = Gtk.Window() labels_tamtam = ['Q2W3ER5T6Y7UI', 'ZSXDCVGBHNJM', ','] piano = PianoKeyboard(octaves=2, add_c=True, labels=labels_tamtam) piano.connect('key_pressed', print_key_pressed) piano.connect('key_released', print_key_released) window.add(piano) - window.connect("destroy", gtk.main_quit) + window.connect("destroy", Gtk.main_quit) window.show_all() - gtk.main() + Gtk.main() if __name__ == "__main__": main() |