summaryrefslogtreecommitdiffstats
path: root/src/gui/rulers/TextRuler.cpp
diff options
context:
space:
mode:
authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-03-01 18:37:05 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-03-01 18:37:05 +0000
commit145364a8af6a1fec06556221e66d4b724a62fc9a (patch)
tree53bd71a544008c518034f208d64c932dc2883f50 /src/gui/rulers/TextRuler.cpp
downloadrosegarden-145364a8af6a1fec06556221e66d4b724a62fc9a.tar.gz
rosegarden-145364a8af6a1fec06556221e66d4b724a62fc9a.zip
Added old abandoned KDE3 version of the RoseGarden MIDI tool
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/rosegarden@1097595 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'src/gui/rulers/TextRuler.cpp')
-rw-r--r--src/gui/rulers/TextRuler.cpp157
1 files changed, 157 insertions, 0 deletions
diff --git a/src/gui/rulers/TextRuler.cpp b/src/gui/rulers/TextRuler.cpp
new file mode 100644
index 0000000..0acb3ea
--- /dev/null
+++ b/src/gui/rulers/TextRuler.cpp
@@ -0,0 +1,157 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+ Rosegarden
+ A MIDI and audio sequencer and musical notation editor.
+
+ This program is Copyright 2000-2008
+ Guillaume Laurent <[email protected]>,
+ Chris Cannam <[email protected]>,
+ Richard Bown <[email protected]>
+
+ The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+ Bown to claim authorship of this work have been asserted.
+
+ Other copyrights also apply to some parts of this work. Please
+ see the AUTHORS file and individual file headers for details.
+
+ 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 2 of the
+ License, or (at your option) any later version. See the file
+ COPYING included with this distribution for more information.
+*/
+
+
+#include "TextRuler.h"
+
+#include "base/Event.h"
+#include "misc/Debug.h"
+#include "misc/Strings.h"
+#include "base/NotationTypes.h"
+#include "base/RulerScale.h"
+#include "base/Segment.h"
+#include "gui/general/GUIPalette.h"
+#include <qfont.h>
+#include <qfontmetrics.h>
+#include <qpainter.h>
+#include <qrect.h>
+#include <qsize.h>
+#include <qwidget.h>
+
+
+namespace Rosegarden
+{
+
+TextRuler::TextRuler(RulerScale *rulerScale,
+ Segment *segment,
+ int height,
+ QWidget *parent,
+ const char *name)
+ : QWidget(parent, name),
+ m_height(height),
+ m_currentXOffset(0),
+ m_width( -1),
+ m_segment(segment),
+ m_rulerScale(rulerScale),
+ m_font("helvetica", 12),
+ m_fontMetrics(m_font)
+{
+ m_mySegmentMaybe = (m_segment->getComposition() != 0);
+ setBackgroundColor(GUIPalette::getColour(GUIPalette::TextRulerBackground));
+
+ m_font.setPixelSize(10);
+}
+
+TextRuler::~TextRuler()
+{
+ if (m_mySegmentMaybe && !m_segment->getComposition()) {
+ delete m_segment;
+ }
+}
+
+void
+TextRuler::slotScrollHoriz(int x)
+{
+ int w = width(), h = height();
+ int dx = x - ( -m_currentXOffset);
+ m_currentXOffset = -x;
+
+ if (dx > w*3 / 4 || dx < -w*3 / 4) {
+ update();
+ return ;
+ }
+
+ if (dx > 0) { // moving right, so the existing stuff moves left
+ bitBlt(this, 0, 0, this, dx, 0, w - dx, h);
+ repaint(w - dx, 0, dx, h);
+ } else { // moving left, so the existing stuff moves right
+ bitBlt(this, -dx, 0, this, 0, 0, w + dx, h);
+ repaint(0, 0, -dx, h);
+ }
+}
+
+QSize
+TextRuler::sizeHint() const
+{
+ double width =
+ m_rulerScale->getBarPosition(m_rulerScale->getLastVisibleBar()) +
+ m_rulerScale->getBarWidth(m_rulerScale->getLastVisibleBar());
+
+ QSize res(std::max(int(width), m_width), m_height);
+
+ return res;
+}
+
+QSize
+TextRuler::minimumSizeHint() const
+{
+ double firstBarWidth = m_rulerScale->getBarWidth(0);
+ QSize res = QSize(int(firstBarWidth), m_height);
+ return res;
+}
+
+void
+TextRuler::paintEvent(QPaintEvent* e)
+{
+ QPainter paint(this);
+ paint.setPen(GUIPalette::getColour(GUIPalette::TextRulerForeground));
+
+ paint.setClipRegion(e->region());
+ paint.setClipRect(e->rect().normalize());
+
+ QRect clipRect = paint.clipRegion().boundingRect();
+
+ timeT from = m_rulerScale->getTimeForX
+ (clipRect.x() - m_currentXOffset - 100);
+ timeT to = m_rulerScale->getTimeForX
+ (clipRect.x() + clipRect.width() - m_currentXOffset + 100);
+
+ for (Segment::iterator i = m_segment->findTime(from);
+ i != m_segment->findTime(to) && i != m_segment->end(); ++i) {
+
+ if (!(*i)->isa(Text::EventType))
+ continue;
+
+ std::string text;
+ if (!(*i)->get
+ <String>(Text::TextPropertyName, text)) {
+ RG_DEBUG
+ << "Warning: TextRuler::paintEvent: No text in text event"
+ << endl;
+ continue;
+ }
+
+ QRect bounds = m_fontMetrics.boundingRect(strtoqstr(text));
+
+ double x = m_rulerScale->getXForTime((*i)->getAbsoluteTime()) +
+ m_currentXOffset - bounds.width() / 2;
+
+ int y = height() / 2 + bounds.height() / 2;
+
+ paint.drawText(static_cast<int>(x), y, strtoqstr(text));
+ }
+}
+
+}
+#include "TextRuler.moc"