diff options
Diffstat (limited to 'attic/muse2-oom/muse2/muse/midiedit/ecanvas.cpp')
| -rw-r--r-- | attic/muse2-oom/muse2/muse/midiedit/ecanvas.cpp | 541 |
1 files changed, 0 insertions, 541 deletions
diff --git a/attic/muse2-oom/muse2/muse/midiedit/ecanvas.cpp b/attic/muse2-oom/muse2/muse/midiedit/ecanvas.cpp deleted file mode 100644 index 3a10e135..00000000 --- a/attic/muse2-oom/muse2/muse/midiedit/ecanvas.cpp +++ /dev/null @@ -1,541 +0,0 @@ -//========================================================= -// MusE -// Linux Music Editor -// $Id: ecanvas.cpp,v 1.8.2.6 2009/05/03 04:14:00 terminator356 Exp $ -// (C) Copyright 2001 Werner Schweer (ws@seh.de) -//========================================================= - -#include <errno.h> -#include <values.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <sys/mman.h> - -#include <QKeyEvent> -#include <QDropEvent> -#include <QEvent> -#include <QMimeData> -#include <QByteArray> -#include <QDrag> - -#include "xml.h" -#include "midieditor.h" -#include "ecanvas.h" -#include "song.h" -#include "event.h" -#include "shortcuts.h" -#include "audio.h" - -//--------------------------------------------------------- -// EventCanvas -//--------------------------------------------------------- - -EventCanvas::EventCanvas(MidiEditor* pr, QWidget* parent, int sx, - int sy, const char* name) - : Canvas(parent, sx, sy, name) - { - editor = pr; - _steprec = false; - _midiin = false; - _playEvents = false; - curVelo = 70; - - setBg(QColor(226,229,229)); - setAcceptDrops(true); - setFocusPolicy(Qt::StrongFocus); - setMouseTracking(true); - - curPart = (MidiPart*)(editor->parts()->begin()->second); - curPartId = curPart->sn(); - } - -//--------------------------------------------------------- -// getCaption -//--------------------------------------------------------- - -QString EventCanvas::getCaption() const - { - int bar1, bar2, xx; - unsigned x; - ///sigmap.tickValues(curPart->tick(), &bar1, &xx, &x); - AL::sigmap.tickValues(curPart->tick(), &bar1, &xx, &x); - ///sigmap.tickValues(curPart->tick() + curPart->lenTick(), &bar2, &xx, &x); - AL::sigmap.tickValues(curPart->tick() + curPart->lenTick(), &bar2, &xx, &x); - - return QString("MusE: Part <") + curPart->name() - + QString("> %1-%2").arg(bar1+1).arg(bar2+1); - } - -//--------------------------------------------------------- -// leaveEvent -//--------------------------------------------------------- - -void EventCanvas::leaveEvent(QEvent*) - { - emit pitchChanged(-1); - emit timeChanged(MAXINT); - } - -//--------------------------------------------------------- -// enterEvent -//--------------------------------------------------------- - -void EventCanvas::enterEvent(QEvent*) - { - emit enterCanvas(); - } - -//--------------------------------------------------------- -// raster -//--------------------------------------------------------- - -QPoint EventCanvas::raster(const QPoint& p) const - { - int x = p.x(); - if (x < 0) - x = 0; - x = editor->rasterVal(x); - int pitch = y2pitch(p.y()); - int y = pitch2y(pitch); - return QPoint(x, y); - } - -//--------------------------------------------------------- -// startUndo -//--------------------------------------------------------- - -void EventCanvas::startUndo(DragType) - { - song->startUndo(); - } - -//--------------------------------------------------------- -// endUndo -//--------------------------------------------------------- - -void EventCanvas::endUndo(DragType dtype, int flags) - { - song->endUndo(flags | ((dtype == MOVE_COPY || dtype == MOVE_CLONE) - ? SC_EVENT_INSERTED : SC_EVENT_MODIFIED)); - } - -//--------------------------------------------------------- -// mouseMove -//--------------------------------------------------------- - -void EventCanvas::mouseMove(const QPoint& pos) - { - emit pitchChanged(y2pitch(pos.y())); - int x = pos.x(); - emit timeChanged(editor->rasterVal(x)); - } - -//--------------------------------------------------------- -// updateSelection -//--------------------------------------------------------- - -void EventCanvas::updateSelection() - { - song->update(SC_SELECTION); - } - -//--------------------------------------------------------- -// songChanged(type) -//--------------------------------------------------------- - -void EventCanvas::songChanged(int flags) - { - // Is it simply a midi controller value adjustment? Forget it. - if(flags == SC_MIDI_CONTROLLER) - return; - - if (flags & ~SC_SELECTION) { - items.clear(); - start_tick = MAXINT; - end_tick = 0; - curPart = 0; - for (iPart p = editor->parts()->begin(); p != editor->parts()->end(); ++p) { - MidiPart* part = (MidiPart*)(p->second); - if (part->sn() == curPartId) - curPart = part; - unsigned stick = part->tick(); - unsigned len = part->lenTick(); - unsigned etick = stick + len; - if (stick < start_tick) - start_tick = stick; - if (etick > end_tick) - end_tick = etick; - - EventList* el = part->events(); - for (iEvent i = el->begin(); i != el->end(); ++i) { - Event e = i->second; - // Added by T356. Do not add events which are either past, or extend past the end of the part. - //if(e.tick() > len) - if(e.endTick() > len) - break; - - if (e.isNote()) { - addItem(part, e); - } - } - } - } - - Event event; - MidiPart* part = 0; - int x = 0; - CItem* nevent = 0; - - int n = 0; // count selections - for (iCItem k = items.begin(); k != items.end(); ++k) { - Event ev = k->second->event(); - bool selected = ev.selected(); - if (selected) { - k->second->setSelected(true); - ++n; - if (!nevent) { - nevent = k->second; - Event mi = nevent->event(); - curVelo = mi.velo(); - } - } - } - start_tick = song->roundDownBar(start_tick); - end_tick = song->roundUpBar(end_tick); - - if (n == 1) { - x = nevent->x(); - event = nevent->event(); - part = (MidiPart*)nevent->part(); - if (curPart != part) { - curPart = part; - curPartId = curPart->sn(); - curPartChanged(); - } - } - emit selectionChanged(x, event, part); - if (curPart == 0) - curPart = (MidiPart*)(editor->parts()->begin()->second); - redraw(); - } - -//--------------------------------------------------------- -// selectAtTick -//--------------------------------------------------------- -void EventCanvas::selectAtTick(unsigned int tick) - { - //Select note nearest tick, if none selected and there are any - if (!items.empty() && selectionSize() == 0) { - iCItem i = items.begin(); - CItem* nearest = i->second; - - while (i != items.end()) { - CItem* cur=i->second; - unsigned int curtk=abs(cur->x() + cur->part()->tick() - tick); - unsigned int neartk=abs(nearest->x() + nearest->part()->tick() - tick); - - if (curtk < neartk) { - nearest=cur; - } - - i++; - } - - if (!nearest->isSelected()) { - selectItem(nearest, true); - songChanged(SC_SELECTION); - } - } - } - -//--------------------------------------------------------- -// track -//--------------------------------------------------------- - -MidiTrack* EventCanvas::track() const - { - return ((MidiPart*)curPart)->track(); - } - - -//--------------------------------------------------------- -// keyPress -//--------------------------------------------------------- - -void EventCanvas::keyPress(QKeyEvent* event) - { - int key = event->key(); - ///if (event->state() & Qt::ShiftButton) - if (((QInputEvent*)event)->modifiers() & Qt::ShiftModifier) - key += Qt::SHIFT; - ///if (event->state() & Qt::AltButton) - if (((QInputEvent*)event)->modifiers() & Qt::AltModifier) - key += Qt::ALT; - ///if (event->state() & Qt::ControlButton) - if (((QInputEvent*)event)->modifiers() & Qt::ControlModifier) - key+= Qt::CTRL; - - // - // Shortcut for DrumEditor & PianoRoll - // Sets locators to selected events - // - if (key == shortcuts[SHRT_LOCATORS_TO_SELECTION].key) { - int tick_max = 0; - int tick_min = INT_MAX; - bool found = false; - - for (iCItem i= items.begin(); i != items.end(); i++) { - if (!i->second->isSelected()) - continue; - - int tick = i->second->x(); - int len = i->second->event().lenTick(); - found = true; - if (tick + len > tick_max) - tick_max = tick + len; - if (tick < tick_min) - tick_min = tick; - } - if (found) { - Pos p1(tick_min, true); - Pos p2(tick_max, true); - song->setPos(1, p1); - song->setPos(2, p2); - } - } - // Select items by key (PianoRoll & DrumEditor) - else if (key == shortcuts[SHRT_SEL_RIGHT].key || key == shortcuts[SHRT_SEL_RIGHT_ADD].key) { - iCItem i, iRightmost; - CItem* rightmost = NULL; - //Get the rightmost selected note (if any) - for (i = items.begin(); i != items.end(); ++i) { - if (i->second->isSelected()) { - iRightmost = i; rightmost = i->second; - } - } - if (rightmost) { - iCItem temp = iRightmost; temp++; - //If so, deselect current note and select the one to the right - if (temp != items.end()) { - if (key != shortcuts[SHRT_SEL_RIGHT_ADD].key) - deselectAll(); - - iRightmost++; - iRightmost->second->setSelected(true); - updateSelection(); - } - } - } - //Select items by key: (PianoRoll & DrumEditor) - else if (key == shortcuts[SHRT_SEL_LEFT].key || key == shortcuts[SHRT_SEL_LEFT_ADD].key) { - iCItem i, iLeftmost; - CItem* leftmost = NULL; - if (items.size() > 0 ) { - for (i = items.end(), i--; i != items.begin(); i--) { - if (i->second->isSelected()) { - iLeftmost = i; leftmost = i->second; - } - } - if (leftmost) { - if (iLeftmost != items.begin()) { - //Add item - if (key != shortcuts[SHRT_SEL_LEFT_ADD].key) - deselectAll(); - - iLeftmost--; - iLeftmost->second->setSelected(true); - updateSelection(); - } - } - } - } - else if (key == shortcuts[SHRT_INC_PITCH].key) { - modifySelected(NoteInfo::VAL_PITCH, 1); - } - else if (key == shortcuts[SHRT_DEC_PITCH].key) { - modifySelected(NoteInfo::VAL_PITCH, -1); - } - else if (key == shortcuts[SHRT_INC_POS].key) { - // TODO: Check boundaries - modifySelected(NoteInfo::VAL_TIME, editor->raster()); - } - else if (key == shortcuts[SHRT_DEC_POS].key) { - // TODO: Check boundaries - modifySelected(NoteInfo::VAL_TIME, 0 - editor->raster()); - } - - else if (key == shortcuts[SHRT_INCREASE_LEN].key) { - // TODO: Check boundaries - modifySelected(NoteInfo::VAL_LEN, editor->raster()); - } - else if (key == shortcuts[SHRT_DECREASE_LEN].key) { - // TODO: Check boundaries - modifySelected(NoteInfo::VAL_LEN, 0 - editor->raster()); - } - - else - event->ignore(); - } - -//--------------------------------------------------------- -// getTextDrag -//--------------------------------------------------------- - -//QDrag* EventCanvas::getTextDrag(QWidget* parent) -QMimeData* EventCanvas::getTextDrag() - { - //--------------------------------------------------- - // generate event list from selected events - //--------------------------------------------------- - - EventList el; - unsigned startTick = MAXINT; - for (iCItem i = items.begin(); i != items.end(); ++i) { - if (!i->second->isSelected()) - continue; - ///NEvent* ne = (NEvent*)(i->second); - CItem* ne = i->second; - Event e = ne->event(); - if (startTick == MAXINT) - startTick = e.tick(); - el.add(e); - } - - //--------------------------------------------------- - // write events as XML into tmp file - //--------------------------------------------------- - - FILE* tmp = tmpfile(); - if (tmp == 0) { - fprintf(stderr, "EventCanvas::getTextDrag() fopen failed: %s\n", - strerror(errno)); - return 0; - } - Xml xml(tmp); - - int level = 0; - xml.tag(level++, "eventlist"); - for (ciEvent e = el.begin(); e != el.end(); ++e) - e->second.write(level, xml, -startTick); - xml.etag(--level, "eventlist"); - - //--------------------------------------------------- - // read tmp file into drag Object - //--------------------------------------------------- - - fflush(tmp); - struct stat f_stat; - if (fstat(fileno(tmp), &f_stat) == -1) { - fprintf(stderr, "PianoCanvas::copy() fstat failes:<%s>\n", - strerror(errno)); - fclose(tmp); - return 0; - } - int n = f_stat.st_size; - char* fbuf = (char*)mmap(0, n+1, PROT_READ|PROT_WRITE, - MAP_PRIVATE, fileno(tmp), 0); - fbuf[n] = 0; - - QByteArray data(fbuf); - QMimeData* md = new QMimeData(); - //QDrag* drag = new QDrag(parent); - - md->setData("text/x-muse-eventlist", data); - //drag->setMimeData(md); - - munmap(fbuf, n); - fclose(tmp); - - //return drag; - return md; - } - -//--------------------------------------------------------- -// pasteAt -//--------------------------------------------------------- - -void EventCanvas::pasteAt(const QString& pt, int pos) - { - QByteArray ba = pt.toLatin1(); - const char* p = ba.constData(); - Xml xml(p); - for (;;) { - Xml::Token token = xml.parse(); - const QString& tag = xml.s1(); - switch (token) { - case Xml::Error: - case Xml::End: - return; - case Xml::TagStart: - if (tag == "eventlist") { - song->startUndo(); - EventList* el = new EventList(); - el->read(xml, "eventlist", true); - int modified = SC_EVENT_INSERTED; - for (iEvent i = el->begin(); i != el->end(); ++i) { - Event e = i->second; - int tick = e.tick() + pos - curPart->tick(); - if (tick<0) { - printf("ERROR: trying to add event before current part!\n"); - song->endUndo(SC_EVENT_INSERTED); - delete el; - return; - } - - e.setTick(tick); - int diff = e.endTick()-curPart->lenTick(); - if (diff > 0) {// too short part? extend it - Part* newPart = curPart->clone(); - newPart->setLenTick(newPart->lenTick()+diff); - // Indicate no undo, and do port controller values but not clone parts. - audio->msgChangePart(curPart, newPart, false, true, false); - modified=modified|SC_PART_MODIFIED; - curPart = newPart; // reassign - } - // Indicate no undo, and do not do port controller values and clone parts. - audio->msgAddEvent(e, curPart, false, false, false); - } - song->endUndo(modified); - delete el; - return; - } - else - xml.unknown("pasteAt"); - break; - case Xml::Attribut: - case Xml::TagEnd: - default: - break; - } - } - } - -//--------------------------------------------------------- -// dropEvent -//--------------------------------------------------------- - -void EventCanvas::viewDropEvent(QDropEvent* event) - { - QString text; - if (event->source() == this) { - printf("local DROP\n"); // REMOVE Tim - //event->acceptProposedAction(); - //event->ignore(); // TODO CHECK Tim. - return; - } - if (event->mimeData()->hasFormat("text/x-muse-eventlist")) { - text = QString(event->mimeData()->data("text/x-muse-eventlist")); - - int x = editor->rasterVal(event->pos().x()); - if (x < 0) - x = 0; - pasteAt(text, x); - //event->accept(); // TODO - } - else { - printf("cannot decode drop\n"); - //event->acceptProposedAction(); - //event->ignore(); // TODO CHECK Tim. - } - } - |