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authorWilliam Hua <william.hua@canonical.com>2013-06-21 17:39:31 -0400
committerWilliam Hua <william.hua@canonical.com>2013-06-21 17:39:31 -0400
commitb4660d9b7e22bbcebac465b67edb5e1bfee1308e (patch)
treee8a57a7cb3c44d6f189ef910a10a0779d4723568 /lib
parentbba9546d3b6270348f3dba1d9788782182536035 (diff)
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Keyboard indicator experimental non-null.
Diffstat (limited to 'lib')
-rw-r--r--lib/Makefile.am3
-rw-r--r--lib/main.vala324
2 files changed, 177 insertions, 150 deletions
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 8edeb33b..a8486211 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1,6 +1,7 @@
AM_CFLAGS = -DGNOME_DESKTOP_USE_UNSTABLE_API
AM_LDFLAGS = -lm
-AM_VALAFLAGS = --metadatadir $(top_srcdir)/deps \
+AM_VALAFLAGS = --enable-experimental-non-null \
+ --metadatadir $(top_srcdir)/deps \
--vapidir $(top_srcdir)/deps
libexec_PROGRAMS = indicator-keyboard-service
diff --git a/lib/main.vala b/lib/main.vala
index d0986d03..2081414e 100644
--- a/lib/main.vala
+++ b/lib/main.vala
@@ -1,24 +1,24 @@
[DBus (name = "com.canonical.indicator.keyboard")]
public class Indicator.Keyboard.Service : Object {
- private MainLoop loop;
+ private MainLoop? loop;
private Settings indicator_settings;
private Settings source_settings;
private Settings per_window_settings;
private Gnome.XkbInfo xkb_info;
- private IBus.Bus ibus;
- private Bamf.Matcher matcher;
- private Gee.HashMap <string, uint> window_sources;
+ private IBus.Bus? ibus;
+ private Bamf.Matcher? matcher;
+ private Gee.HashMap<string, uint>? window_sources;
- private SimpleActionGroup action_group;
- private SimpleAction indicator_action;
- private MenuModel menu_model;
- private Menu sources_menu;
+ private SimpleActionGroup? action_group;
+ private SimpleAction? indicator_action;
+ private MenuModel? menu_model;
+ private Menu? sources_menu;
- private Icon[] icons;
- private string[] icon_strings;
- private int[] icon_string_uniques;
- private uint[] icon_string_subscripts;
+ private Icon?[]? icons;
+ private string[]? icon_strings;
+ private int[]? icon_string_uniques;
+ private uint[]? icon_string_subscripts;
[DBus (visible = false)]
public Service (bool force) {
@@ -46,7 +46,17 @@ public class Indicator.Keyboard.Service : Object {
update_window_sources ();
this.loop = new MainLoop ();
- this.loop.run ();
+ ((!) this.loop).run ();
+ }
+
+ [DBus (visible = false)]
+ private IBus.Bus get_ibus () {
+ if (this.ibus == null) {
+ IBus.init ();
+ this.ibus = new IBus.Bus ();
+ }
+
+ return (!) this.ibus;
}
[DBus (visible = false)]
@@ -68,27 +78,26 @@ public class Indicator.Keyboard.Service : Object {
length++;
}
- var ibus = get_ibus ();
- var engines = ibus.list_active_engines ();
+ var engines = get_ibus ().list_active_engines ();
foreach (var engine in engines) {
if (length == 0 || engine.name.has_prefix ("xkb")) {
var source = "us";
- var layout = engine.get_layout ();
- var variant = engine.get_layout_variant ();
+ string? layout = engine.get_layout ();
+ string? variant = engine.get_layout_variant ();
- if (layout != null && layout.length == 0) {
+ if (layout != null && ((!) layout).length == 0) {
layout = null;
}
- if (variant != null && variant.length == 0) {
+ if (variant != null && ((!) variant).length == 0) {
variant = null;
}
if (layout != null && variant != null) {
- source = @"$layout+$variant";
+ source = @"$((!) layout)+$((!) variant)";
} else if (layout != null) {
- source = layout;
+ source = (!) layout;
}
builder.add ("(ss)", "xkb", source);
@@ -113,11 +122,11 @@ public class Indicator.Keyboard.Service : Object {
if (group_per_window != (this.window_sources != null)) {
if (group_per_window) {
- this.window_sources = new Gee.HashMap <string, uint> ();
+ this.window_sources = new Gee.HashMap<string, uint> ();
this.matcher = Bamf.Matcher.get_default ();
- this.matcher.active_window_changed.connect (this.handle_active_window_changed);
+ ((!) this.matcher).active_window_changed.connect (this.handle_active_window_changed);
} else {
- this.matcher.active_window_changed.disconnect (this.handle_active_window_changed);
+ ((!) this.matcher).active_window_changed.disconnect (this.handle_active_window_changed);
this.matcher = null;
this.window_sources = null;
}
@@ -132,18 +141,18 @@ public class Indicator.Keyboard.Service : Object {
[DBus (visible = false)]
private void handle_active_window_changed (Bamf.View? old_view, Bamf.View? new_view) {
if (old_view != null) {
- this.window_sources[old_view.path] = this.source_settings.get_uint ("current");
+ ((!) this.window_sources)[((!) old_view).path] = this.source_settings.get_uint ("current");
}
if (new_view != null) {
- if (!this.window_sources.has_key (new_view.path)) {
+ if (!((!) this.window_sources).has_key (((!) new_view).path)) {
var default_group = this.per_window_settings.get_int ("default-group");
if (default_group >= 0) {
this.source_settings.set_uint ("current", (uint) default_group);
}
} else {
- this.source_settings.set_uint ("current", this.window_sources[new_view.path]);
+ this.source_settings.set_uint ("current", ((!) this.window_sources)[((!) new_view).path]);
}
}
}
@@ -162,7 +171,7 @@ public class Indicator.Keyboard.Service : Object {
}
[DBus (visible = false)]
- protected virtual Icon create_icon (string text, uint subscript) {
+ protected virtual Icon create_icon (string? text, uint subscript) {
const int W = 20;
const int H = 20;
const double R = 2.0;
@@ -188,41 +197,43 @@ public class Indicator.Keyboard.Service : Object {
context.fill ();
context.set_operator (Cairo.Operator.CLEAR);
- var text_layout = Pango.cairo_create_layout (context);
- text_layout.set_alignment (Pango.Alignment.CENTER);
- description.set_absolute_size (Pango.units_from_double (TEXT_SIZE));
- text_layout.set_font_description (description);
- text_layout.set_text (text, -1);
- Pango.cairo_update_layout (context, text_layout);
- int text_width;
- int text_height;
- text_layout.get_pixel_size (out text_width, out text_height);
-
- if (subscript > 0) {
- var subscript_layout = Pango.cairo_create_layout (context);
- subscript_layout.set_alignment (Pango.Alignment.CENTER);
- description.set_absolute_size (Pango.units_from_double (SUBSCRIPT_SIZE));
- subscript_layout.set_font_description (description);
- subscript_layout.set_text (@"$subscript", -1);
- Pango.cairo_update_layout (context, subscript_layout);
- int subscript_width;
- int subscript_height;
- subscript_layout.get_pixel_size (out subscript_width, out subscript_height);
-
- context.identity_matrix ();
- context.translate ((W - (text_width + subscript_width)) / 2, (H - text_height) / 2);
- Pango.cairo_layout_path (context, text_layout);
- context.fill ();
-
- context.identity_matrix ();
- context.translate ((W + (text_width - subscript_width)) / 2, (H + text_height) / 2 - subscript_height);
- Pango.cairo_layout_path (context, subscript_layout);
- context.fill ();
- } else {
- context.identity_matrix ();
- context.translate ((W - text_width) / 2, (H - text_height) / 2);
- Pango.cairo_layout_path (context, text_layout);
- context.fill ();
+ if (text != null) {
+ var text_layout = Pango.cairo_create_layout (context);
+ text_layout.set_alignment (Pango.Alignment.CENTER);
+ description.set_absolute_size (Pango.units_from_double (TEXT_SIZE));
+ text_layout.set_font_description (description);
+ text_layout.set_text ((!) text, -1);
+ Pango.cairo_update_layout (context, text_layout);
+ int text_width;
+ int text_height;
+ text_layout.get_pixel_size (out text_width, out text_height);
+
+ if (subscript > 0) {
+ var subscript_layout = Pango.cairo_create_layout (context);
+ subscript_layout.set_alignment (Pango.Alignment.CENTER);
+ description.set_absolute_size (Pango.units_from_double (SUBSCRIPT_SIZE));
+ subscript_layout.set_font_description (description);
+ subscript_layout.set_text (@"$subscript", -1);
+ Pango.cairo_update_layout (context, subscript_layout);
+ int subscript_width;
+ int subscript_height;
+ subscript_layout.get_pixel_size (out subscript_width, out subscript_height);
+
+ context.identity_matrix ();
+ context.translate ((W - (text_width + subscript_width)) / 2, (H - text_height) / 2);
+ Pango.cairo_layout_path (context, text_layout);
+ context.fill ();
+
+ context.identity_matrix ();
+ context.translate ((W + (text_width - subscript_width)) / 2, (H + text_height) / 2 - subscript_height);
+ Pango.cairo_layout_path (context, subscript_layout);
+ context.fill ();
+ } else {
+ context.identity_matrix ();
+ context.translate ((W - text_width) / 2, (H - text_height) / 2);
+ Pango.cairo_layout_path (context, text_layout);
+ context.fill ();
+ }
}
var buffer = new ByteArray ();
@@ -236,16 +247,21 @@ public class Indicator.Keyboard.Service : Object {
}
[DBus (visible = false)]
- private string get_icon_string (uint index) {
- string icon_string = null;
- Variant array = null;
+ private string? get_icon_string (uint index) {
+ string? icon_string = null;
+ Variant? array = null;
if (this.icon_strings == null) {
this.source_settings.get ("sources", "@a(ss)", out array);
- this.icon_strings = new string[array.n_children ()];
+
+ if (array != null) {
+ this.icon_strings = new string[((!) array).n_children ()];
+ } else {
+ this.icon_strings = new string[0];
+ }
}
- if (index < this.icon_strings.length) {
+ if (index < ((!) this.icon_strings).length) {
icon_string = this.icon_strings[index];
if (icon_string == null) {
@@ -256,14 +272,17 @@ public class Indicator.Keyboard.Service : Object {
string type;
string name;
- array.get_child (index, "(ss)", out type, out name);
+ ((!) array).get_child (index, "(ss)", out type, out name);
if (type == "xkb") {
- string short_name;
+ string? short_name;
this.xkb_info.get_layout_info (name, null, out short_name, null, null);
- this.icon_strings[index] = get_abbreviation (short_name);
- icon_string = this.icon_strings[index];
+
+ if (short_name != null) {
+ this.icon_strings[index] = get_abbreviation ((!) short_name);
+ icon_string = this.icon_strings[index];
+ }
}
}
}
@@ -274,24 +293,29 @@ public class Indicator.Keyboard.Service : Object {
[DBus (visible = false)]
private bool is_icon_string_unique (uint index) {
bool icon_string_unique = true;
- Variant array = null;
if (this.icon_string_uniques == null) {
+ Variant? array;
this.source_settings.get ("sources", "@a(ss)", out array);
- this.icon_string_uniques = new int[array.n_children ()];
- for (var i = 0; i < this.icon_string_uniques.length; i++) {
+ if (array != null) {
+ this.icon_string_uniques = new int[((!) array).n_children ()];
+ } else {
+ this.icon_string_uniques = new int[0];
+ }
+
+ for (var i = 0; i < ((!) this.icon_string_uniques).length; i++) {
this.icon_string_uniques[i] = -1;
}
}
- if (index < this.icon_string_uniques.length) {
+ if (index < ((!) this.icon_string_uniques).length) {
if (this.icon_string_uniques[index] == -1) {
this.icon_string_uniques[index] = 1;
var icon_string = get_icon_string (index);
- for (var i = 0; i < this.icon_string_uniques.length && this.icon_string_uniques[index] == 1; i++) {
+ for (var i = 0; i < ((!) this.icon_string_uniques).length && this.icon_string_uniques[index] == 1; i++) {
if (i != index && get_icon_string (i) == icon_string) {
this.icon_string_uniques[index] = 0;
}
@@ -307,14 +331,19 @@ public class Indicator.Keyboard.Service : Object {
[DBus (visible = false)]
private uint get_icon_string_subscript (uint index) {
uint icon_string_subscript = 0;
- Variant array = null;
if (this.icon_string_subscripts == null) {
+ Variant? array = null;
this.source_settings.get ("sources", "@a(ss)", out array);
- this.icon_string_subscripts = new uint[array.n_children ()];
+
+ if (array != null) {
+ this.icon_string_subscripts = new uint[((!) array).n_children ()];
+ } else {
+ this.icon_string_subscripts = new uint[0];
+ }
}
- if (index < this.icon_string_subscripts.length) {
+ if (index < ((!) this.icon_string_subscripts).length) {
icon_string_subscript = this.icon_string_subscripts[index];
if (icon_string_subscript == 0) {
@@ -334,16 +363,21 @@ public class Indicator.Keyboard.Service : Object {
}
[DBus (visible = false)]
- private Icon get_icon (uint index) {
- Icon icon = null;
- Variant array = null;
+ private Icon? get_icon (uint index) {
+ Icon? icon = null;
+ Variant? array = null;
if (this.icons == null) {
this.source_settings.get ("sources", "@a(ss)", out array);
- this.icons = new Icon[array.n_children ()];
+
+ if (array != null) {
+ this.icons = new Icon?[((!) array).n_children ()];
+ } else {
+ this.icons = new Icon?[0];
+ }
}
- if (index < this.icons.length) {
+ if (index < ((!) this.icons).length) {
icon = this.icons[index];
if (icon == null) {
@@ -354,42 +388,45 @@ public class Indicator.Keyboard.Service : Object {
string type;
string name;
- array.get_child (index, "(ss)", out type, out name);
+ ((!) array).get_child (index, "(ss)", out type, out name);
if (type == "xkb") {
var icon_string = get_icon_string (index);
var icon_unique = is_icon_string_unique (index);
var icon_subscript = get_icon_string_subscript (index);
- string icon_name;
- if (icon_unique) {
- icon_name = @"indicator-keyboard-$icon_string";
- } else {
- icon_name = @"indicator-keyboard-$icon_string-$icon_subscript";
- }
+ if (icon_string != null) {
+ string icon_name;
+
+ if (icon_unique) {
+ icon_name = @"indicator-keyboard-$((!) icon_string)";
+ } else {
+ icon_name = @"indicator-keyboard-$((!) icon_string)-$icon_subscript";
+ }
- var icon_theme = Gtk.IconTheme.get_default ();
- var icon_info = icon_theme.lookup_icon (icon_name, 22, 0);
+ var icon_theme = Gtk.IconTheme.get_default ();
+ Gtk.IconInfo? icon_info = icon_theme.lookup_icon (icon_name, 22, 0);
- if (icon_info != null) {
- try {
- this.icons[index] = Icon.new_for_string (icon_info.get_filename ());
- } catch (Error error) {
- this.icons[index] = null;
+ if (icon_info != null) {
+ try {
+ this.icons[index] = Icon.new_for_string (((!) icon_info).get_filename ());
+ } catch (Error error) {
+ this.icons[index] = null;
+ }
}
}
if (this.icons[index] == null) {
if (icon_unique) {
- this.icons[index] = create_icon (get_icon_string (index), 0);
+ this.icons[index] = create_icon (icon_string, 0);
} else {
- this.icons[index] = create_icon (get_icon_string (index), get_icon_string_subscript (index));
+ this.icons[index] = create_icon (icon_string, icon_subscript);
}
}
} else if (type == "ibus") {
- var ibus = get_ibus ();
- string[] names = { name, null };
- var engines = ibus.get_engines_by_names (names);
+ var names = new string[2];
+ names[0] = name;
+ var engines = get_ibus ().get_engines_by_names (names);
var engine = engines[0];
try {
@@ -436,7 +473,7 @@ public class Indicator.Keyboard.Service : Object {
Variant state;
if (icon != null) {
- state = new Variant.parsed ("{ 'visible' : <%b>, 'icon' : %v }", visible, icon.serialize ());
+ state = new Variant.parsed ("{ 'visible' : <%b>, 'icon' : %v }", visible, ((!) icon).serialize ());
} else {
state = new Variant.parsed ("{ 'visible' : <%b> }", visible);
}
@@ -452,7 +489,7 @@ public class Indicator.Keyboard.Service : Object {
update_indicator_action ();
}
- return this.indicator_action;
+ return (!) this.indicator_action;
}
[DBus (visible = false)]
@@ -461,7 +498,7 @@ public class Indicator.Keyboard.Service : Object {
this.action_group = create_action_group (get_indicator_action ());
}
- return this.action_group;
+ return (!) this.action_group;
}
[DBus (visible = false)]
@@ -487,29 +524,18 @@ public class Indicator.Keyboard.Service : Object {
}
[DBus (visible = false)]
- private IBus.Bus get_ibus () {
- if (this.ibus == null) {
- IBus.init ();
-
- this.ibus = new IBus.Bus ();
- }
-
- return this.ibus;
- }
-
- [DBus (visible = false)]
private string get_display_name (string layout) {
- var language = Xkl.get_language_name (layout);
- var country = Xkl.get_country_name (layout);
- var has_language = language != null && language.get_char () != '\0';
- var has_country = country != null && country.get_char () != '\0';
+ string? language = Xkl.get_language_name (layout);
+ string? country = Xkl.get_country_name (layout);
+ var has_language = language != null && ((!) language).get_char () != '\0';
+ var has_country = country != null && ((!) country).get_char () != '\0';
if (has_language && has_country) {
- return @"$language ($country)";
+ return @"$((!) language) ($((!) country))";
} else if (has_language) {
- return language;
+ return (!) language;
} else if (has_country) {
- return country;
+ return (!) country;
} else {
return "";
}
@@ -531,41 +557,41 @@ public class Indicator.Keyboard.Service : Object {
for (var i = 0; iter.next ("(ss)", out type, out name); i++) {
if (type == "xkb") {
- string display_name;
- string layout_name;
+ string? display_name;
+ string? layout_name;
this.xkb_info.get_layout_info (name, out display_name, null, out layout_name, null);
- if (display_name == null) {
- name = get_display_name (layout_name);
- } else {
- name = display_name;
+ if (display_name != null) {
+ name = (!) display_name;
+ } else if (layout_name != null) {
+ name = get_display_name ((!) layout_name);
}
}
else if (type == "ibus") {
- var ibus = get_ibus ();
- string[] names = { name, null };
- var engines = ibus.get_engines_by_names (names);
+ var names = new string[2];
+ names[0] = name;
+ var engines = get_ibus ().get_engines_by_names (names);
var engine = engines[0];
- var language = engine.get_language ();
- var display_name = engine.get_longname ();
+ string? language = engine.get_language ();
+ string? display_name = engine.get_longname ();
if (language != null) {
- language = Xkl.get_language_name (language);
+ language = Xkl.get_language_name ((!) language);
}
if (language != null && display_name != null) {
- name = @"$language ($display_name)";
+ name = @"$((!) language) ($((!) display_name))";
} else if (language != null) {
- name = language;
+ name = (!) language;
} else if (display_name != null) {
- name = display_name;
+ name = (!) display_name;
}
}
var menu_item = new MenuItem (name, "indicator.current");
menu_item.set_attribute (Menu.ATTRIBUTE_TARGET, "u", i);
- menu_item.set_icon (get_icon (i));
+ menu_item.set_icon ((!) get_icon (i));
menu.append_item (menu_item);
}
} else {
@@ -580,7 +606,7 @@ public class Indicator.Keyboard.Service : Object {
update_sources_menu ();
}
- return this.sources_menu;
+ return (!) this.sources_menu;
}
[DBus (visible = false)]
@@ -589,7 +615,7 @@ public class Indicator.Keyboard.Service : Object {
this.menu_model = create_menu_model (get_sources_menu ());
}
- return this.menu_model;
+ return (!) this.menu_model;
}
[DBus (visible = false)]
@@ -625,7 +651,7 @@ public class Indicator.Keyboard.Service : Object {
[DBus (visible = false)]
private void handle_activate_chart (Variant? parameter) {
var layout = "us";
- string variant = null;
+ string? variant = null;
var current = this.source_settings.get_uint ("current");
Variant array;
@@ -640,9 +666,9 @@ public class Indicator.Keyboard.Service : Object {
if (type == "xkb") {
this.xkb_info.get_layout_info (name, null, null, out layout, out variant);
} else if (type == "ibus") {
- var ibus = get_ibus ();
- string[] names = { name, null };
- var engines = ibus.get_engines_by_names (names);
+ var names = new string[2];
+ names[0] = name;
+ var engines = get_ibus ().get_engines_by_names (names);
var engine = engines[0];
layout = engine.get_layout ();
@@ -654,7 +680,7 @@ public class Indicator.Keyboard.Service : Object {
string command;
if (variant != null) {
- command = @"gkbd-keyboard-display -l \"$layout\t$variant\"";
+ command = @"gkbd-keyboard-display -l \"$layout\t$((!) variant)\"";
} else {
command = @"gkbd-keyboard-display -l $layout";
}
@@ -686,7 +712,7 @@ public class Indicator.Keyboard.Service : Object {
[DBus (visible = false)]
private void handle_name_lost (DBusConnection connection, string name) {
- this.loop.quit ();
+ ((!) this.loop).quit ();
this.loop = null;
}