--- a/src/messagelog.cc Mon Jan 20 23:44:22 2014 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,139 +0,0 @@ -/* - * LDForge: LDraw parts authoring CAD - * Copyright (C) 2013, 2014 Santeri Piippo - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <QTimer> -#include <QDate> -#include "messagelog.h" -#include "gldraw.h" -#include "gui.h" -#include "moc_messagelog.cpp" - -static const int g_maxMessages = 5; -static const int g_expiry = 5; -static const int g_fadeTime = 500; // msecs - -// ============================================================================= -// ----------------------------------------------------------------------------- -MessageManager::MessageManager (QObject* parent) : - QObject (parent) -{ - m_ticker = new QTimer; - m_ticker->start (100); - connect (m_ticker, SIGNAL (timeout()), this, SLOT (tick())); -} - -// ============================================================================= -// ----------------------------------------------------------------------------- -MessageManager::Line::Line (QString text) : - text (text), - alpha (1.0f), - expiry (QDateTime::currentDateTime().addSecs (g_expiry)) {} - -// ============================================================================= -// Check this line's expiry and update alpha accordingly. Returns true if the -// line is to still stick around, false if it expired. 'changed' is updated to -// whether the line has somehow changed since the last update. -// ----------------------------------------------------------------------------- -bool MessageManager::Line::update (bool& changed) -{ - changed = false; - QDateTime now = QDateTime::currentDateTime(); - int msec = now.msecsTo (expiry); - - if (now >= expiry) - { - // Message line has expired - changed = true; - return false; - } - - if (msec <= g_fadeTime) - { - // Message line has not expired but is fading out - alpha = ( (float) msec) / g_fadeTime; - changed = true; - } - - return true; -} - -// ============================================================================= -// Add a line to the message manager. -// ----------------------------------------------------------------------------- -void MessageManager::addLine (QString line) -{ - // If there's too many entries, pop the excess out - while (m_lines.size() >= g_maxMessages) - m_lines.removeFirst(); - - m_lines << Line (line); - - // Update the renderer view - if (getRenderer()) - getRenderer()->update(); -} - -// ============================================================================= -// Ticks the message manager. All lines are ticked and the renderer scene is -// redrawn if something changed. -// ----------------------------------------------------------------------------- -void MessageManager::tick() -{ - if (m_lines.isEmpty()) - return; - - bool changed = false; - - for (int i = 0; i < m_lines.size(); ++i) - { - bool lineChanged; - - if (!m_lines[i].update (lineChanged)) - m_lines.removeAt (i--); - - changed |= lineChanged; - } - - if (changed && getRenderer()) - getRenderer()->update(); -} - -// ============================================================================= -// ----------------------------------------------------------------------------- -const QList<MessageManager::Line>& MessageManager::getLines() const -{ - return m_lines; -} - -// ============================================================================= -// log() interface - format the argument list and add the resulting string to -// the main message manager. -// ----------------------------------------------------------------------------- -void DoLog (std::initializer_list<StringFormatArg> args) -{ - const QString msg = DoFormat (args); - - for (QString& a : msg.split ("\n", QString::SkipEmptyParts)) - { - if (g_win) - g_win->addMessage (a); - - // Also print it to stdout - fprint (stdout, "%1\n", a); - } -}