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// SPDX-License-Identifier: GPL-2.0-or-later
/**
* @file
* A dialog that displays log messages.
*/
/* Authors:
* Bob Jamison
* Other dudes from The Inkscape Organization
*
* Copyright (C) 2004 The Inkscape Organization
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <gtkmm/box.h>
#include <gtkmm/dialog.h>
#include <gtkmm/textview.h>
#include <gtkmm/menubar.h>
#include <gtkmm/scrolledwindow.h>
#include <glibmm/i18n.h>
#include "debug.h"
namespace Inkscape {
namespace UI {
namespace Dialog {
/**
* A very simple dialog for displaying Inkscape messages - implementation.
*/
class DebugDialogImpl : public DebugDialog, public Gtk::Dialog
{
public:
DebugDialogImpl();
~DebugDialogImpl() override;
void show() override;
void hide() override;
void clear() override;
void message(char const *msg) override;
void captureLogMessages() override;
void releaseLogMessages() override;
private:
Gtk::MenuBar menuBar;
Gtk::Menu fileMenu;
Gtk::ScrolledWindow textScroll;
Gtk::TextView messageText;
//Handler ID's
guint handlerDefault;
guint handlerGlibmm;
guint handlerAtkmm;
guint handlerPangomm;
guint handlerGdkmm;
guint handlerGtkmm;
};
void DebugDialogImpl::clear()
{
Glib::RefPtr<Gtk::TextBuffer> buffer = messageText.get_buffer();
buffer->erase(buffer->begin(), buffer->end());
}
DebugDialogImpl::DebugDialogImpl()
{
set_title(_("Messages"));
set_size_request(300, -1);
auto mainVBox = get_content_area();
//## Add a menu for clear()
Gtk::MenuItem* item = Gtk::manage(new Gtk::MenuItem(_("_File"), true));
item->set_submenu(fileMenu);
menuBar.append(*item);
item = Gtk::manage(new Gtk::MenuItem(_("_Clear"), true));
item->signal_activate().connect(sigc::mem_fun(*this, &DebugDialogImpl::clear));
fileMenu.append(*item);
item = Gtk::manage(new Gtk::MenuItem(_("Capture log messages")));
item->signal_activate().connect(sigc::mem_fun(*this, &DebugDialogImpl::captureLogMessages));
fileMenu.append(*item);
item = Gtk::manage(new Gtk::MenuItem(_("Release log messages")));
item->signal_activate().connect(sigc::mem_fun(*this, &DebugDialogImpl::releaseLogMessages));
fileMenu.append(*item);
mainVBox->pack_start(menuBar, Gtk::PACK_SHRINK);
//### Set up the text widget
messageText.set_editable(false);
textScroll.add(messageText);
textScroll.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_ALWAYS);
mainVBox->pack_start(textScroll);
show_all_children();
message("ready.");
message("enable log display by setting ");
message("dialogs.debug 'redirect' attribute to 1 in preferences.xml");
handlerDefault = 0;
handlerGlibmm = 0;
handlerAtkmm = 0;
handlerPangomm = 0;
handlerGdkmm = 0;
handlerGtkmm = 0;
}
DebugDialog *DebugDialog::create()
{
DebugDialog *dialog = new DebugDialogImpl();
return dialog;
}
DebugDialogImpl::~DebugDialogImpl()
= default;
void DebugDialogImpl::show()
{
//call super()
Gtk::Dialog::show();
//sp_transientize(GTK_WIDGET(gobj())); //Make transient
raise();
Gtk::Dialog::present();
}
void DebugDialogImpl::hide()
{
// call super
Gtk::Dialog::hide();
}
void DebugDialogImpl::message(char const *msg)
{
Glib::RefPtr<Gtk::TextBuffer> buffer = messageText.get_buffer();
Glib::ustring uMsg = msg;
if (uMsg[uMsg.length()-1] != '\n')
uMsg += '\n';
buffer->insert (buffer->end(), uMsg);
}
/* static instance, to reduce dependencies */
static DebugDialog *debugDialogInstance = nullptr;
DebugDialog *DebugDialog::getInstance()
{
if (!debugDialogInstance) {
debugDialogInstance = new DebugDialogImpl();
}
return debugDialogInstance;
}
void DebugDialog::showInstance()
{
DebugDialog *debugDialog = getInstance();
debugDialog->show();
// this is not a real memleak because getInstance() only creates a debug dialog once, and returns that instance for all subsequent calls
// cppcheck-suppress memleak
}
/*##### THIS IS THE IMPORTANT PART ##### */
static void dialogLoggingFunction(const gchar */*log_domain*/,
GLogLevelFlags /*log_level*/,
const gchar *messageText,
gpointer user_data)
{
DebugDialogImpl *dlg = static_cast<DebugDialogImpl *>(user_data);
dlg->message(messageText);
}
void DebugDialogImpl::captureLogMessages()
{
/*
This might likely need more code, to capture Gtkmm
and Glibmm warnings, or maybe just simply grab stdout/stderr
*/
GLogLevelFlags flags = (GLogLevelFlags) (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL |
G_LOG_LEVEL_WARNING | G_LOG_LEVEL_MESSAGE |
G_LOG_LEVEL_INFO | G_LOG_LEVEL_DEBUG);
if ( !handlerDefault ) {
handlerDefault = g_log_set_handler(nullptr, flags,
dialogLoggingFunction, (gpointer)this);
}
if ( !handlerGlibmm ) {
handlerGlibmm = g_log_set_handler("glibmm", flags,
dialogLoggingFunction, (gpointer)this);
}
if ( !handlerAtkmm ) {
handlerAtkmm = g_log_set_handler("atkmm", flags,
dialogLoggingFunction, (gpointer)this);
}
if ( !handlerPangomm ) {
handlerPangomm = g_log_set_handler("pangomm", flags,
dialogLoggingFunction, (gpointer)this);
}
if ( !handlerGdkmm ) {
handlerGdkmm = g_log_set_handler("gdkmm", flags,
dialogLoggingFunction, (gpointer)this);
}
if ( !handlerGtkmm ) {
handlerGtkmm = g_log_set_handler("gtkmm", flags,
dialogLoggingFunction, (gpointer)this);
}
message("log capture started");
}
void DebugDialogImpl::releaseLogMessages()
{
if ( handlerDefault ) {
g_log_remove_handler(nullptr, handlerDefault);
handlerDefault = 0;
}
if ( handlerGlibmm ) {
g_log_remove_handler("glibmm", handlerGlibmm);
handlerGlibmm = 0;
}
if ( handlerAtkmm ) {
g_log_remove_handler("atkmm", handlerAtkmm);
handlerAtkmm = 0;
}
if ( handlerPangomm ) {
g_log_remove_handler("pangomm", handlerPangomm);
handlerPangomm = 0;
}
if ( handlerGdkmm ) {
g_log_remove_handler("gdkmm", handlerGdkmm);
handlerGdkmm = 0;
}
if ( handlerGtkmm ) {
g_log_remove_handler("gtkmm", handlerGtkmm);
handlerGtkmm = 0;
}
message("log capture discontinued");
}
} //namespace Dialogs
} //namespace UI
} //namespace Inkscape
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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