[PATCH - hwmixvolume 2/9] hwmixvolume: switch to GTK+ 3.0

[Emmanuel Gil Peyrot <linkmauve@jabberfr.org>]

Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>

diff --git a/hwmixvolume/hwmixvolume b/hwmixvolume/hwmixvolume
index 28ce776..039ca17 100755
--- a/hwmixvolume/hwmixvolume
+++ b/hwmixvolume/hwmixvolume
@@ -62,7 +62,7 @@ class Stream:
 		values = value.get_tuple(TYPE_INTEGER, info.count)
 		self.label = Gtk.Label(self.get_label(info))
 		self.label.set_single_line_mode(True)
-		self.parent.scales_vbox.pack_start(self.label, expand=False)
+		self.parent.scales_vbox.add(self.label)
 		for i in range(info.count):
 			adj = Gtk.Adjustment(value=values[i],
 					lower=info.min, upper=info.max,
@@ -71,7 +71,7 @@ class Stream:
 			adj.connect('value-changed', self.update_ctl_from_scale, i)
 			scale = Gtk.HScale(adj)
 			scale.set_draw_value(False)
-			self.parent.scales_vbox.pack_start(scale, expand=False)
+			self.parent.scales_vbox.add(scale)
 			self.scales.append(scale)
 			self.adjustments.append(adj)
 		self.parent.scales_vbox.show_all()
@@ -174,45 +174,48 @@ class MixerWindow(Gtk.Window):
 		self.connect('destroy', lambda w: Gtk.main_quit())
 		self.set_title("Hardware Mixer Volumes")
 
-		vbox = Gtk.VBox()
+		vbox = Gtk.Grid()
+		vbox.set_orientation(Gtk.Orientation.VERTICAL)
 		self.add(vbox)
 
-		hbox = Gtk.HBox()
-		vbox.pack_start(hbox, expand=False)
+		hbox = Gtk.Grid()
+		vbox.add(hbox)
 
-		label = Gtk.Label("_Sound Card: ")
-		label.set_use_underline(True)
-		hbox.pack_start(label, expand=False)
+		label = Gtk.Label.new_with_mnemonic("_Sound Card: ")
+		hbox.add(label)
 
-		combo = Gtk.combo_box_new_text()
+		combo = Gtk.ComboBoxText()
+		combo.set_hexpand(True)
 		for i in self.card_numbers:
 			str = "%d: %s" % (i, alsacard.card_get_name(i))
 			combo.append_text(str)
 		if len(self.card_numbers) > 0:
 			combo.set_active(0)
 		combo.connect('changed', lambda c: self.change_card(self.card_numbers[combo.get_active()]))
-		hbox.pack_start(combo)
+		hbox.add(combo)
 		label.set_mnemonic_widget(combo)
 
-		self.lock_check = Gtk.CheckButton(label="_Lock Channels")
+		self.lock_check = Gtk.CheckButton.new_with_mnemonic(label="_Lock Channels")
 		self.lock_check.set_active(True)
-		vbox.pack_start(self.lock_check, expand=False)
+		vbox.add(self.lock_check)
 
 		scrollwin = Gtk.ScrolledWindow()
-		scrollwin.set_policy(hscrollbar_policy=Gtk.POLICY_NEVER, vscrollbar_policy=Gtk.POLICY_AUTOMATIC)
-		scrollwin.set_shadow_type(Gtk.SHADOW_NONE)
-		vbox.pack_start(scrollwin)
+		scrollwin.set_policy(hscrollbar_policy=Gtk.PolicyType.NEVER, vscrollbar_policy=Gtk.PolicyType.AUTOMATIC)
+		scrollwin.set_shadow_type(Gtk.ShadowType.NONE)
+		scrollwin.set_vexpand(True)
+		vbox.add(scrollwin)
 
-		self.scales_vbox = Gtk.VBox()
+		self.scales_vbox = Gtk.Grid()
+		self.scales_vbox.set_orientation(Gtk.Orientation.VERTICAL)
 		scrollwin.add_with_viewport(self.scales_vbox)
 
 		label = Gtk.Label()
 		label.set_single_line_mode(True)
-		line_height = label.size_request()[1]
+		line_height = label.size_request().height
 		label.destroy()
 		scale = Gtk.HScale()
 		scale.set_draw_value(False)
-		line_height += scale.size_request()[1]
+		line_height += scale.size_request().height
 		scale.destroy()
 		# always have space for at least four sliders
 		scrollwin.set_size_request(width=-1, height=line_height*4+4)
@@ -252,7 +255,7 @@ class MixerWindow(Gtk.Window):
 			self.streams.append(stream)
 
 		for fd,condition in self.hcontrol.poll_fds:
-			self.hctl_sources.append(GLib.io_add_watch(fd, condition, self.hctl_io_callback))
+			self.hctl_sources.append(GLib.io_add_watch(fd, 0, GLib.IOCondition(condition), self.hctl_io_callback))
 
 		self.update_msg_label()
 
@@ -271,7 +274,8 @@ class MixerWindow(Gtk.Window):
 				msg = "This card does not have stream controls."
 			if not has_msg:
 				self.msg_label = Gtk.Label(msg)
-				self.scales_vbox.pack_start(self.msg_label)
+				self.msg_label.set_vexpand(True)
+				self.scales_vbox.add(self.msg_label)
 				self.scales_vbox.show_all()
 			elif self.msg_label.get_text() != msg:
 				self.msg_label.set_text(msg)
@@ -284,8 +288,8 @@ class MixerWindow(Gtk.Window):
 		except:
 			# TODO: alsa error msg
 			dlg = Gtk.MessageDialog(self,
-					Gtk.DIALOG_MODAL | Gtk.DIALOG_DESTROY_WITH_PARENT,
-					Gtk.MESSAGE_ERROR, Gtk.BUTTONS_OK,
+					Gtk.DialogFlags.MODAL | Gtk.DialogFlags.DESTROY_WITH_PARENT,
+					Gtk.MessageType.ERROR, Gtk.ButtonsType.OK,
 					"Cannot open sound card control device.")
 			dlg.run()
 			dlg.destroy()
-- 
2.18.0