transmission/gtk/MessageLogWindow.cc

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// This file Copyright © 2008-2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
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#include <errno.h>
#include <stdio.h>
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#include <map>
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#include <memory>
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#include <glibmm.h>
#include <glibmm/i18n.h>
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#include <fmt/core.h>
#include <libtransmission/transmission.h>
#include <libtransmission/log.h>
#include "Actions.h"
#include "HigWorkarea.h"
#include "MessageLogWindow.h"
#include "Prefs.h"
#include "PrefsDialog.h"
#include "Session.h"
#include "Utils.h"
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class MessageLogColumnsModel : public Gtk::TreeModelColumnRecord
{
public:
MessageLogColumnsModel()
{
add(sequence);
add(name);
add(message);
add(tr_msg);
}
Gtk::TreeModelColumn<unsigned int> sequence;
Gtk::TreeModelColumn<Glib::ustring> name;
Gtk::TreeModelColumn<Glib::ustring> message;
Gtk::TreeModelColumn<tr_log_message*> tr_msg;
};
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MessageLogColumnsModel const message_log_cols;
class MessageLogWindow::Impl
{
public:
Impl(MessageLogWindow& window, Glib::RefPtr<Session> const& core);
~Impl();
TR_DISABLE_COPY_MOVE(Impl)
private:
bool onRefresh();
void onSaveRequest();
void onSaveDialogResponse(std::shared_ptr<Gtk::FileChooserDialog>& d, int response);
void doSave(Gtk::Window& parent, Glib::ustring const& filename);
void onClearRequest();
void onPauseToggled(Gtk::ToggleToolButton* w);
void scroll_to_bottom();
void level_combo_changed_cb(Gtk::ComboBox* combo_box);
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Gtk::ComboBox* level_combo_new() const;
bool is_pinned_to_new() const;
bool isRowVisible(Gtk::TreeModel::const_iterator const& iter) const;
private:
MessageLogWindow& window_;
Glib::RefPtr<Session> const core_;
Gtk::TreeView* view_ = nullptr;
Glib::RefPtr<Gtk::ListStore> store_;
Glib::RefPtr<Gtk::TreeModelFilter> filter_;
Glib::RefPtr<Gtk::TreeModelSort> sort_;
tr_log_level maxLevel_ = TR_LOG_INFO;
bool isPaused_ = false;
sigc::connection refresh_tag_;
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std::map<tr_log_level, char const*> const level_names_;
};
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namespace
{
tr_log_message* myTail = nullptr;
tr_log_message* myHead = nullptr;
} // namespace
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/****
*****
****/
/* is the user looking at the latest messages? */
bool MessageLogWindow::Impl::is_pinned_to_new() const
{
bool pinned_to_new = false;
if (view_ == nullptr)
{
pinned_to_new = true;
}
else
{
Gtk::TreeModel::Path first_visible;
Gtk::TreeModel::Path last_visible;
if (view_->get_visible_range(first_visible, last_visible))
{
auto const row_count = sort_->children().size();
if (auto const iter = sort_->children()[row_count - 1]; iter)
{
pinned_to_new = last_visible == sort_->get_path(iter);
}
}
}
return pinned_to_new;
}
void MessageLogWindow::Impl::scroll_to_bottom()
{
if (sort_ != nullptr)
{
auto const row_count = sort_->children().size();
if (auto const iter = sort_->children()[row_count - 1]; iter)
{
view_->scroll_to_row(sort_->get_path(iter), 1);
}
}
}
/****
*****
****/
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Gtk::ComboBox* MessageLogWindow::Impl::level_combo_new() const
{
auto items = std::vector<std::pair<Glib::ustring, int>>{};
for (auto const& [level, name] : level_names_)
{
items.emplace_back(name, level);
}
auto* w = gtr_combo_box_new_enum(items);
gtr_combo_box_set_active_enum(*w, gtr_pref_int_get(TR_KEY_message_level));
return w;
}
void MessageLogWindow::Impl::level_combo_changed_cb(Gtk::ComboBox* combo_box)
{
auto const level = static_cast<tr_log_level>(gtr_combo_box_get_active_enum(*combo_box));
bool const pinned_to_new = is_pinned_to_new();
tr_logSetLevel(level);
core_->set_pref(TR_KEY_message_level, level);
maxLevel_ = level;
filter_->refilter();
if (pinned_to_new)
{
scroll_to_bottom();
}
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}
namespace
{
/* similar to asctime, but is utf8-clean */
Glib::ustring gtr_asctime(time_t t)
{
return Glib::DateTime::create_now_local(t).format("%a %b %e %T %Y"); /* ctime equiv */
}
} // namespace
void MessageLogWindow::Impl::doSave(Gtk::Window& parent, Glib::ustring const& filename)
{
auto* fp = fopen(filename.c_str(), "w+");
if (fp == nullptr)
{
auto const errcode = errno;
auto w = std::make_shared<Gtk::MessageDialog>(
parent,
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fmt::format(
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_("Couldn't save '{path}': {error} ({error_code})"),
fmt::arg("path", filename),
fmt::arg("error", g_strerror(errcode)),
fmt::arg("error_code", errcode)),
false,
Gtk::MESSAGE_ERROR,
Gtk::BUTTONS_CLOSE);
w->set_secondary_text(Glib::strerror(errno));
w->signal_response().connect([w](int /*response*/) mutable { w.reset(); });
w->show();
}
else
{
for (auto const& row : store_->children())
{
auto const* const node = row.get_value(message_log_cols.tr_msg);
auto const date = gtr_asctime(node->when);
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auto const it = level_names_.find(node->level);
auto const* const level_str = it != std::end(level_names_) ? it->second : "???";
fprintf(fp, "%s\t%s\t%s\t%s\n", date.c_str(), level_str, node->name.c_str(), node->message.c_str());
}
fclose(fp);
}
}
void MessageLogWindow::Impl::onSaveDialogResponse(std::shared_ptr<Gtk::FileChooserDialog>& d, int response)
{
if (response == Gtk::RESPONSE_ACCEPT)
{
doSave(*d, d->get_filename());
}
d.reset();
}
void MessageLogWindow::Impl::onSaveRequest()
{
auto d = std::make_shared<Gtk::FileChooserDialog>(window_, _("Save Log"), Gtk::FILE_CHOOSER_ACTION_SAVE);
d->add_button(_("_Cancel"), Gtk::RESPONSE_CANCEL);
d->add_button(_("_Save"), Gtk::RESPONSE_ACCEPT);
d->signal_response().connect([this, d](int response) mutable { onSaveDialogResponse(d, response); });
d->show();
}
void MessageLogWindow::Impl::onClearRequest()
{
store_->clear();
tr_logFreeQueue(myHead);
myHead = myTail = nullptr;
}
void MessageLogWindow::Impl::onPauseToggled(Gtk::ToggleToolButton* w)
{
isPaused_ = w->get_active();
}
namespace
{
void setForegroundColor(Gtk::CellRendererText* renderer, tr_log_level level)
{
switch (level)
{
case TR_LOG_CRITICAL:
case TR_LOG_ERROR:
case TR_LOG_WARN:
renderer->property_foreground() = "red";
break;
case TR_LOG_DEBUG:
case TR_LOG_TRACE:
renderer->property_foreground() = "forestgreen";
break;
default:
renderer->property_foreground_set() = false;
break;
}
}
void renderText(
Gtk::CellRendererText* renderer,
Gtk::TreeModel::iterator const& iter,
Gtk::TreeModelColumn<Glib::ustring> const& col)
{
auto const* const node = iter->get_value(message_log_cols.tr_msg);
renderer->property_text() = iter->get_value(col);
renderer->property_ellipsize() = Pango::ELLIPSIZE_END;
setForegroundColor(renderer, node->level);
}
void renderTime(Gtk::CellRendererText* renderer, Gtk::TreeModel::iterator const& iter)
{
auto const* const node = iter->get_value(message_log_cols.tr_msg);
renderer->property_text() = Glib::DateTime::create_now_local(node->when).format("%T");
setForegroundColor(renderer, node->level);
}
void appendColumn(Gtk::TreeView* view, Gtk::TreeModelColumnBase const& col)
{
Gtk::TreeViewColumn* c;
if (col == message_log_cols.name)
{
auto* r = Gtk::make_managed<Gtk::CellRendererText>();
c = Gtk::make_managed<Gtk::TreeViewColumn>(_("Name"), *r);
c->set_cell_data_func(*r, [r](auto* /*renderer*/, auto const& iter) { renderText(r, iter, message_log_cols.name); });
c->set_sizing(Gtk::TREE_VIEW_COLUMN_FIXED);
c->set_fixed_width(200);
c->set_resizable(true);
}
else if (col == message_log_cols.message)
{
auto* r = Gtk::make_managed<Gtk::CellRendererText>();
c = Gtk::make_managed<Gtk::TreeViewColumn>(_("Message"), *r);
c->set_cell_data_func(*r, [r](auto* /*renderer*/, auto const& iter) { renderText(r, iter, message_log_cols.message); });
c->set_sizing(Gtk::TREE_VIEW_COLUMN_FIXED);
c->set_fixed_width(500);
c->set_resizable(true);
}
else if (col == message_log_cols.sequence)
{
auto* r = Gtk::make_managed<Gtk::CellRendererText>();
c = Gtk::make_managed<Gtk::TreeViewColumn>(_("Time"), *r);
c->set_cell_data_func(*r, [r](auto* /*renderer*/, auto const& iter) { renderTime(r, iter); });
c->set_resizable(true);
}
else
{
g_assert_not_reached();
}
view->append_column(*c);
}
} // namespace
bool MessageLogWindow::Impl::isRowVisible(Gtk::TreeModel::const_iterator const& iter) const
{
auto const* const node = iter->get_value(message_log_cols.tr_msg);
return node != nullptr && node->level <= maxLevel_;
}
MessageLogWindow::Impl::~Impl()
{
refresh_tag_.disconnect();
}
namespace
{
tr_log_message* addMessages(Glib::RefPtr<Gtk::ListStore> const& store, tr_log_message* head)
{
tr_log_message* i;
static unsigned int sequence = 0;
auto const default_name = Glib::get_application_name();
for (i = head; i != nullptr && i->next != nullptr; i = i->next)
{
char const* name = !std::empty(i->name) ? i->name.c_str() : default_name.c_str();
auto const row = *store->prepend();
row[message_log_cols.tr_msg] = i;
row[message_log_cols.name] = name;
row[message_log_cols.message] = i->message;
row[message_log_cols.sequence] = ++sequence;
/* if it's an error message, dump it to the terminal too */
if (i->level == TR_LOG_ERROR)
{
auto gstr = fmt::format("{}:{} {}", i->file, i->line, i->message);
if (!std::empty(i->name))
{
gstr += fmt::format(" ({})", i->name.c_str());
}
g_warning("%s", gstr.c_str());
}
}
return i; /* tail */
}
} // namespace
bool MessageLogWindow::Impl::onRefresh()
{
bool const pinned_to_new = is_pinned_to_new();
if (!isPaused_)
{
if (auto* msgs = tr_logGetQueue(); msgs != nullptr)
{
/* add the new messages and append them to the end of
* our persistent list */
tr_log_message* tail = addMessages(store_, msgs);
if (myTail != nullptr)
{
myTail->next = msgs;
}
else
{
myHead = msgs;
}
myTail = tail;
}
if (pinned_to_new)
{
scroll_to_bottom();
}
}
return true;
}
/**
*** Public Functions
**/
std::unique_ptr<MessageLogWindow> MessageLogWindow::create(Gtk::Window& parent, Glib::RefPtr<Session> const& core)
{
return std::unique_ptr<MessageLogWindow>(new MessageLogWindow(parent, core));
}
MessageLogWindow::MessageLogWindow(Gtk::Window& parent, Glib::RefPtr<Session> const& core)
: Gtk::Window(Gtk::WINDOW_TOPLEVEL)
, impl_(std::make_unique<Impl>(*this, core))
{
set_transient_for(parent);
}
MessageLogWindow::~MessageLogWindow() = default;
MessageLogWindow::Impl::Impl(MessageLogWindow& window, Glib::RefPtr<Session> const& core)
: window_(window)
, core_(core)
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, level_names_{ { { TR_LOG_CRITICAL, _("Critical") },
{ TR_LOG_ERROR, _("Error") },
{ TR_LOG_WARN, _("Warning") },
{ TR_LOG_INFO, _("Information") },
{ TR_LOG_DEBUG, _("Debug") },
{ TR_LOG_TRACE, _("Trace") } } }
{
window_.set_title(_("Message Log"));
window_.set_default_size(560, 350);
window_.set_role("message-log");
auto* vbox = Gtk::make_managed<Gtk::Box>(Gtk::ORIENTATION_VERTICAL, 0);
/**
*** toolbar
**/
auto* toolbar = Gtk::make_managed<Gtk::Toolbar>();
toolbar->set_toolbar_style(Gtk::TOOLBAR_BOTH_HORIZ);
toolbar->get_style_context()->add_class(GTK_STYLE_CLASS_PRIMARY_TOOLBAR);
{
auto* icon = Gtk::make_managed<Gtk::Image>();
icon->set_from_icon_name("document-save-as", Gtk::BuiltinIconSize::ICON_SIZE_SMALL_TOOLBAR);
auto* item = Gtk::make_managed<Gtk::ToolButton>(*icon);
item->set_is_important(true);
item->set_label(_("Save _As"));
item->set_use_underline(true);
item->signal_clicked().connect(sigc::mem_fun(*this, &Impl::onSaveRequest));
toolbar->insert(*item, -1);
}
{
auto* icon = Gtk::make_managed<Gtk::Image>();
icon->set_from_icon_name("edit-clear", Gtk::BuiltinIconSize::ICON_SIZE_SMALL_TOOLBAR);
auto* item = Gtk::make_managed<Gtk::ToolButton>(*icon);
item->set_is_important(true);
item->set_label(_("Clear"));
item->set_use_underline(true);
item->signal_clicked().connect(sigc::mem_fun(*this, &Impl::onClearRequest));
toolbar->insert(*item, -1);
}
toolbar->insert(*Gtk::make_managed<Gtk::SeparatorToolItem>(), -1);
{
auto* icon = Gtk::make_managed<Gtk::Image>();
icon->set_from_icon_name("media-playback-pause", Gtk::BuiltinIconSize::ICON_SIZE_SMALL_TOOLBAR);
auto* item = Gtk::make_managed<Gtk::ToggleToolButton>(*icon);
item->set_is_important(true);
item->set_label(_("P_ause"));
item->set_use_underline(true);
item->signal_toggled().connect([this, item]() { onPauseToggled(item); });
toolbar->insert(*item, -1);
}
toolbar->insert(*Gtk::make_managed<Gtk::SeparatorToolItem>(), -1);
{
auto* w = Gtk::make_managed<Gtk::Label>(_("Level"));
w->property_margin() = GUI_PAD;
auto* item = Gtk::make_managed<Gtk::ToolItem>();
item->add(*w);
toolbar->insert(*item, -1);
}
{
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auto* w = level_combo_new();
w->signal_changed().connect([this, w]() { level_combo_changed_cb(w); });
auto* item = Gtk::make_managed<Gtk::ToolItem>();
item->add(*w);
toolbar->insert(*item, -1);
}
vbox->pack_start(*toolbar, false, false, 0);
/**
*** messages
**/
store_ = Gtk::ListStore::create(message_log_cols);
addMessages(store_, myHead);
onRefresh(); /* much faster to populate *before* it has listeners */
filter_ = Gtk::TreeModelFilter::create(store_);
sort_ = Gtk::TreeModelSort::create(filter_);
sort_->set_sort_column(message_log_cols.sequence, Gtk::SORT_ASCENDING);
maxLevel_ = static_cast<tr_log_level>(gtr_pref_int_get(TR_KEY_message_level));
filter_->set_visible_func(sigc::mem_fun(*this, &Impl::isRowVisible));
view_ = Gtk::make_managed<Gtk::TreeView>(sort_);
view_->signal_button_release_event().connect([this](GdkEventButton* event)
{ return on_tree_view_button_released(view_, event); });
appendColumn(view_, message_log_cols.sequence);
appendColumn(view_, message_log_cols.name);
appendColumn(view_, message_log_cols.message);
auto* w = Gtk::make_managed<Gtk::ScrolledWindow>();
w->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
w->set_shadow_type(Gtk::SHADOW_IN);
w->add(*view_);
vbox->pack_start(*w, true, true, 0);
window_.add(*vbox);
refresh_tag_ = Glib::signal_timeout().connect_seconds(
sigc::mem_fun(*this, &Impl::onRefresh),
SECONDARY_WINDOW_REFRESH_INTERVAL_SECONDS);
scroll_to_bottom();
window_.show_all_children();
}
void MessageLogWindow::on_show()
{
Gtk::Window::on_show();
gtr_action_set_toggled("toggle-message-log", true);
}
void MessageLogWindow::on_hide()
{
Gtk::Window::on_hide();
gtr_action_set_toggled("toggle-message-log", false);
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}