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Use focused_title_change_event to update titles

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This fixes issue mihirlad55/polybar-dwm-module#4 where the title would not
update if the title of the currently focused window changed. The
focused_title_change_event is raised exactly when the focused window's
title changes, so this should automatically update the title using the callback
when necessary.
This commit is contained in:
Mihir Lad 2020-07-18 01:46:07 -04:00
parent 136fc3efed
commit 8e5b5258e2
2 changed files with 12 additions and 2 deletions
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1
include/modules/dwm.hpp
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@ -67,6 +67,7 @@ namespace modules {
shared_ptr<std::vector<dwmipc::Monitor>> m_monitors; shared_ptr<std::vector<dwmipc::Monitor>> m_monitors;
unsigned int m_active_mon_num = 0; unsigned int m_active_mon_num = 0;
unsigned int m_bar_mon = 0; unsigned int m_bar_mon = 0;
unsigned int m_focused_client_id = 0;
std::unordered_map<state_t, label_t> m_state_labels; std::unordered_map<state_t, label_t> m_state_labels;
vector<tag_t> m_tags; vector<tag_t> m_tags;

13
src/modules/dwm.cpp
View File

@ -111,19 +111,28 @@ namespace modules {
return; return;
} }
m_focused_client_id = ev.new_win_id;
m_title_label->reset_tokens(); m_title_label->reset_tokens();
if (ev.new_win_id != 0) { if (m_focused_client_id != 0) {
auto focused_client = m_ipc->get_client(ev.new_win_id); auto focused_client = m_ipc->get_client(m_focused_client_id);
m_title_label->replace_token("%title%", focused_client->name); m_title_label->replace_token("%title%", focused_client->name);
} else { } else {
m_title_label->replace_token("%title%", ""); m_title_label->replace_token("%title%", "");
} }
}; };
m_ipc->on_focused_title_change = [this](const dwmipc::FocusedTitleChangeEvent& ev) {
if (ev.monitor_num == m_bar_mon && ev.client_window_id == m_focused_client_id) {
m_title_label->reset_tokens();
m_title_label->replace_token("%title%", ev.new_name);
}
};
m_ipc->subscribe(dwmipc::Event::LAYOUT_CHANGE); m_ipc->subscribe(dwmipc::Event::LAYOUT_CHANGE);
m_ipc->subscribe(dwmipc::Event::CLIENT_FOCUS_CHANGE); m_ipc->subscribe(dwmipc::Event::CLIENT_FOCUS_CHANGE);
m_ipc->subscribe(dwmipc::Event::TAG_CHANGE); m_ipc->subscribe(dwmipc::Event::TAG_CHANGE);
m_ipc->subscribe(dwmipc::Event::MONITOR_FOCUS_CHANGE); m_ipc->subscribe(dwmipc::Event::MONITOR_FOCUS_CHANGE);
m_ipc->subscribe(dwmipc::Event::FOCUSED_TITLE_CHANGE);
} catch (const dwmipc::IPCError& err) { } catch (const dwmipc::IPCError& err) {
throw module_error(err.what()); throw module_error(err.what());
} }