From cf460ebb707e5f1b984bd7639e46dfd061c5c375 Mon Sep 17 00:00:00 2001 From: William Hua Date: Wed, 8 May 2013 16:10:34 -0400 Subject: Fix icon rendering. --- lib/main.vala | 184 +++++++++++++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 170 insertions(+), 14 deletions(-) (limited to 'lib') diff --git a/lib/main.vala b/lib/main.vala index 759b8cbb..f65eef48 100644 --- a/lib/main.vala +++ b/lib/main.vala @@ -13,6 +13,8 @@ public class Indicator.Keyboard.Service : Object { private Menu sources_menu; private Icon[] icons; + private string[] icon_strings; + private uint[] icon_string_subscripts; [DBus (visible = false)] public Service (bool force) { @@ -50,10 +52,12 @@ public class Indicator.Keyboard.Service : Object { } [DBus (visible = false)] - protected virtual Icon create_icon (string text) { + protected virtual Icon create_icon (string text, uint subscript) { const int W = 20; const int H = 20; const double R = 2.0; + const double TEXT_SIZE = 12.0; + const double SUBSCRIPT_SIZE = 10.0; Pango.FontDescription description; var style = get_style_context (); @@ -72,19 +76,44 @@ public class Indicator.Keyboard.Service : Object { context.set_source_rgba (colour.red, colour.green, colour.blue, colour.alpha); context.fill (); - context.set_operator (Cairo.Operator.CLEAR); - var layout = Pango.cairo_create_layout (context); - layout.set_alignment (Pango.Alignment.CENTER); - layout.set_font_description (description); - layout.set_text (text, -1); - Pango.cairo_update_layout (context, layout); - int width; - int height; - layout.get_pixel_size (out width, out height); - context.translate ((W - width) / 2, (H - height) / 2); - Pango.cairo_layout_path (context, layout); - context.fill (); + + 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 > 1) { + 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 (@"$subscript", -1); + Pango.cairo_update_layout (context, subscript_layout); + int subscript_width; + int subscript_height; + subscript_layout.get_pixel_size (out subscript_width, out subscript_height); + + context.identity_matrix (); + context.translate ((W - (text_width + subscript_width)) / 2, (H - text_height) / 2); + Pango.cairo_layout_path (context, text_layout); + context.fill (); + + context.identity_matrix (); + context.translate ((W + (text_width - subscript_width)) / 2, (H + text_height) / 2 - subscript_height); + Pango.cairo_layout_path (context, subscript_layout); + context.fill (); + } else { + context.identity_matrix (); + context.translate ((W - text_width) / 2, (H - text_height) / 2); + Pango.cairo_layout_path (context, text_layout); + context.fill (); + } var buffer = new ByteArray (); @@ -96,6 +125,130 @@ public class Indicator.Keyboard.Service : Object { return new BytesIcon (ByteArray.free_to_bytes ((owned) buffer)); } + [DBus (visible = false)] + private string abbreviate_display_name (string display_name) { + string abbreviation = null; + + if (display_name != null) { + char letters[2]; + var index = 0; + + for (var i = 0; i < display_name.length && index < 2; i++) { + if (display_name[i].isupper ()) { + letters[index++] = display_name[i]; + } + } + + if (index < 2) { + index = 0; + + for (var i = 0; i < display_name.length && index < 2; i++) { + if (display_name[i].isalpha () && (i == 0 || !display_name[i - 1].isalpha ())) { + letters[index++] = display_name[i++].toupper (); + } + } + + if (index < 2) { + index = 0; + + for (var i = 0; i < display_name.length && index < 2; i++) { + if (display_name[i].isalpha ()) { + letters[index++] = display_name[i]; + } + } + } + } + + if (index == 1) { + abbreviation = @"$(letters[0])"; + } else if (index == 2) { + abbreviation = @"$(letters[0])$(letters[1])"; + } + } + + return abbreviation; + } + + [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) { + this.source_settings.get ("sources", "@a(ss)", out array); + this.icon_string_subscripts = new uint[array.n_children ()]; + } + + if (index < this.icon_string_subscripts.length) { + icon_string_subscript = this.icon_string_subscripts[index]; + + if (icon_string_subscript == 0) { + this.icon_string_subscripts[index] = 1; + + for (var i = (int) index - 1; i >= 0 && this.icon_string_subscripts[index] == 1; i--) { + if (get_icon_string (i) == get_icon_string (index)) { + this.icon_string_subscripts[index] = get_icon_string_subscript (i) + 1; + } + } + + icon_string_subscript = this.icon_string_subscripts[index]; + } + } + + return icon_string_subscript; + } + + [DBus (visible = false)] + 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 (index < this.icon_strings.length) { + icon_string = this.icon_strings[index]; + + if (icon_string == null) { + if (array == null) { + this.source_settings.get ("sources", "@a(ss)", out array); + } + + string type; + string name; + + array.get_child (index, "(ss)", out type, out name); + + if (type == "xkb") { + 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) { + var language = Xkl.get_language_name (layout_name); + var country = Xkl.get_country_name (layout_name); + + if (language != null && country != null) { + display_name = @"$language ($country)"; + } else if (language != null) { + display_name = language; + } else if (country != null) { + display_name = country; + } + } + + this.icon_strings[index] = abbreviate_display_name (display_name); + icon_string = this.icon_strings[index]; + } + } + } + + return icon_string; + } + [DBus (visible = false)] private Icon get_icon (uint index) { Icon icon = null; @@ -120,7 +273,7 @@ public class Indicator.Keyboard.Service : Object { array.get_child (index, "(ss)", out type, out name); if (type == "xkb") { - this.icons[index] = create_icon (name); + this.icons[index] = create_icon (get_icon_string (index), get_icon_string_subscript (index)); } else if (type == "ibus") { var ibus = get_ibus (); string[] names = { name, null }; @@ -330,7 +483,10 @@ public class Indicator.Keyboard.Service : Object { [DBus (visible = false)] private void handle_changed_sources (string key) { + this.icon_string_subscripts = null; + this.icon_strings = null; this.icons = null; + update_sources_menu (); update_indicator_action (); } -- cgit v1.2.3