97 lines
2.7 KiB
Vala
97 lines
2.7 KiB
Vala
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using Gtk;
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private class TextBubbleLayout : BubbleLayout
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{
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public Message message;
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private Pango.Layout layout;
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public TextBubbleLayout(Message message, Widget parent, float max_width) {
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base(parent, max_width);
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this.from_me = message.from_me;
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this.message = message;
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layout = parent.create_pango_layout(message.text);
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// Get the system font settings
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var settings = Gtk.Settings.get_default();
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var font_name = settings.gtk_font_name;
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// Create font description from system font
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var font_desc = Pango.FontDescription.from_string(font_name);
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var size = font_desc.get_size();
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font_desc.set_size((int)(size));
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layout.set_font_description(font_desc);
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// Set max width
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layout.set_width((int)text_available_width * Pango.SCALE);
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}
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private float text_available_width {
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get {
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return max_width - text_x_offset - constants.text_padding;
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}
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}
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private float text_x_offset {
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get {
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return from_me ? constants.text_padding : constants.tail_width + constants.text_padding;
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}
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}
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private float text_x_padding {
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get {
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// Opposite of text_x_offset
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return from_me ? constants.tail_width + constants.text_padding : constants.text_padding;
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}
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}
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private Gdk.RGBA background_color {
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get {
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return from_me ? parent.get_color() : Gdk.RGBA() {
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red = 1.0f,
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green = 1.0f,
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blue = 1.0f,
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alpha = 0.08f
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};
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}
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}
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public override float get_height() {
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Pango.Rectangle ink_rect, logical_rect;
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layout.get_pixel_extents(out ink_rect, out logical_rect);
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return logical_rect.height + constants.corner_radius + constants.tail_bottom_padding;
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}
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public override float get_width() {
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Pango.Rectangle ink_rect, logical_rect;
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layout.get_pixel_extents(out ink_rect, out logical_rect);
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return logical_rect.width + text_x_offset + text_x_padding;
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}
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public override void draw_content(Snapshot snapshot) {
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snapshot.save();
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Pango.Rectangle ink_rect, logical_rect;
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layout.get_pixel_extents(out ink_rect, out logical_rect);
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snapshot.translate(Graphene.Point() {
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x = text_x_offset,
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y = ((get_height() - constants.tail_bottom_padding) - logical_rect.height) / 2
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});
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snapshot.append_layout(layout, Gdk.RGBA() {
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red = 1.0f,
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green = 1.0f,
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blue = 1.0f,
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alpha = 1.0f
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});
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snapshot.restore();
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}
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}
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