add ugly little mention indicator to classic guild listing

1 files changed, 62 insertions, 0 deletions

diff --git a/src/components/channellist/classic/mentionoverlay.cpp b/src/components/channellist/classic/mentionoverlay.cpp
new file mode 100644
index 0000000..c734ced
--- /dev/null
+++ b/src/components/channellist/classic/mentionoverlay.cpp
@@ -0,0 +1,62 @@
+#include "mentionoverlay.hpp"
+
+#include "misc/cairo.hpp"
+
+#include "abaddon.hpp"
+
+MentionOverlay::MentionOverlay(Snowflake guild_id)
+    : m_guild_id(guild_id) {
+    m_font.set_family("sans 14");
+    m_layout = create_pango_layout("12");
+    m_layout->set_font_description(m_font);
+    m_layout->set_alignment(Pango::ALIGN_RIGHT);
+
+    get_style_context()->add_class("classic-mention-overlay"); // fuck you
+
+    set_hexpand(false);
+    set_vexpand(false);
+
+    signal_draw().connect(sigc::mem_fun(*this, &MentionOverlay::OnDraw));
+
+    Abaddon::Get().GetDiscordClient().signal_message_ack().connect([this](const MessageAckData &data) {
+        // fetching and checking guild id is probably more expensive than just forcing a redraw anyways
+        queue_draw();
+    });
+
+    Abaddon::Get().GetDiscordClient().signal_message_create().connect([this](const Message &msg) {
+        if (msg.GuildID.has_value() && *msg.GuildID != m_guild_id) return;
+        if (!msg.DoesMentionEveryone && msg.Mentions.empty() && msg.MentionRoles.empty()) return;
+        queue_draw();
+    });
+}
+
+bool MentionOverlay::OnDraw(const Cairo::RefPtr<Cairo::Context> &cr) {
+    int mentions;
+    Abaddon::Get().GetDiscordClient().GetUnreadStateForGuild(m_guild_id, mentions);
+    if (mentions == 0) return true;
+    m_layout->set_text(std::to_string(mentions));
+
+    const int width = get_allocated_width();
+    const int height = get_allocated_height();
+
+    int lw, lh;
+    m_layout->get_pixel_size(lw, lh);
+    {
+        static const auto badge_setting = Gdk::RGBA(Abaddon::Get().GetSettings().MentionBadgeColor);
+        static const auto text_setting = Gdk::RGBA(Abaddon::Get().GetSettings().MentionBadgeTextColor);
+
+        auto bg = badge_setting.get_alpha_u() > 0 ? badge_setting : get_style_context()->get_background_color(Gtk::STATE_FLAG_SELECTED);
+        auto text = text_setting.get_alpha_u() > 0 ? text_setting : get_style_context()->get_color(Gtk::STATE_FLAG_SELECTED);
+
+        const auto x = width - lw - 5;
+        const auto y = height - lh - 1;
+        CairoUtil::PathRoundedRect(cr, x - 4, y + 2, lw + 8, lh, 5);
+        cr->set_source_rgb(bg.get_red(), bg.get_green(), bg.get_blue());
+        cr->fill();
+        cr->set_source_rgb(text.get_red(), text.get_green(), text.get_blue());
+        cr->move_to(x, y);
+        m_layout->show_in_cairo_context(cr);
+    }
+
+    return true;
+}