mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-15 01:05:06 +00:00
294 lines
No EOL
7.8 KiB
C++
294 lines
No EOL
7.8 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2022 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "gui.h"
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#include "actionUtil.h"
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void FurnaceGUI::startSelection(int xCoarse, int xFine, int y) {
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if (xCoarse!=selStart.xCoarse || xFine!=selStart.xFine || y!=selStart.y) {
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curNibble=false;
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}
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cursor.xCoarse=xCoarse;
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cursor.xFine=xFine;
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cursor.y=y;
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selStart.xCoarse=xCoarse;
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selStart.xFine=xFine;
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selStart.y=y;
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selEnd.xCoarse=xCoarse;
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selEnd.xFine=xFine;
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selEnd.y=y;
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selecting=true;
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e->setMidiBaseChan(cursor.xCoarse);
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}
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void FurnaceGUI::updateSelection(int xCoarse, int xFine, int y) {
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if (!selecting) return;
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selEnd.xCoarse=xCoarse;
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selEnd.xFine=xFine;
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selEnd.y=y;
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}
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void FurnaceGUI::finishSelection() {
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// swap points if needed
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if (selEnd.y<selStart.y) {
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selEnd.y^=selStart.y;
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selStart.y^=selEnd.y;
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selEnd.y^=selStart.y;
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}
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if (selEnd.xCoarse<selStart.xCoarse) {
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selEnd.xCoarse^=selStart.xCoarse;
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selStart.xCoarse^=selEnd.xCoarse;
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selEnd.xCoarse^=selStart.xCoarse;
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selEnd.xFine^=selStart.xFine;
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selStart.xFine^=selEnd.xFine;
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selEnd.xFine^=selStart.xFine;
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} else if (selEnd.xCoarse==selStart.xCoarse && selEnd.xFine<selStart.xFine) {
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selEnd.xFine^=selStart.xFine;
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selStart.xFine^=selEnd.xFine;
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selEnd.xFine^=selStart.xFine;
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}
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selecting=false;
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// boundary check
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int chanCount=e->getTotalChannelCount();
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if (selStart.xCoarse<0) selStart.xCoarse=0;
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if (selStart.xCoarse>=chanCount) selStart.xCoarse=chanCount-1;
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if (selStart.y<0) selStart.y=0;
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if (selStart.y>=e->song.patLen) selStart.y=e->song.patLen-1;
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if (selEnd.xCoarse<0) selEnd.xCoarse=0;
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if (selEnd.xCoarse>=chanCount) selEnd.xCoarse=chanCount-1;
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if (selEnd.y<0) selEnd.y=0;
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if (selEnd.y>=e->song.patLen) selEnd.y=e->song.patLen-1;
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if (cursor.xCoarse<0) cursor.xCoarse=0;
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if (cursor.xCoarse>=chanCount) cursor.xCoarse=chanCount-1;
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if (cursor.y<0) cursor.y=0;
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if (cursor.y>=e->song.patLen) cursor.y=e->song.patLen-1;
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if (e->song.chanCollapse[selEnd.xCoarse]) {
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selStart.xFine=0;
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}
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if (e->song.chanCollapse[selEnd.xCoarse]) {
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selEnd.xFine=2+e->song.pat[cursor.xCoarse].effectRows*2;
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}
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e->setMidiBaseChan(cursor.xCoarse);
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}
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void FurnaceGUI::moveCursor(int x, int y, bool select) {
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if (!select) {
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finishSelection();
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}
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DETERMINE_FIRST_LAST;
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curNibble=false;
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if (x!=0) {
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demandScrollX=true;
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if (x>0) {
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for (int i=0; i<x; i++) {
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if (++cursor.xFine>=(e->song.chanCollapse[cursor.xCoarse]?1:(3+e->song.pat[cursor.xCoarse].effectRows*2))) {
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cursor.xFine=0;
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if (++cursor.xCoarse>=lastChannel) {
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if (settings.wrapHorizontal!=0 && !select) {
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cursor.xCoarse=firstChannel;
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if (settings.wrapHorizontal==2) y++;
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} else {
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cursor.xCoarse=lastChannel-1;
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cursor.xFine=e->song.chanCollapse[cursor.xCoarse]?0:(2+e->song.pat[cursor.xCoarse].effectRows*2);
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}
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} else {
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while (!e->song.chanShow[cursor.xCoarse]) {
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cursor.xCoarse++;
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if (cursor.xCoarse>=e->getTotalChannelCount()) break;
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}
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}
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}
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}
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} else {
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for (int i=0; i<-x; i++) {
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if (--cursor.xFine<0) {
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if (--cursor.xCoarse<firstChannel) {
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if (settings.wrapHorizontal!=0 && !select) {
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cursor.xCoarse=lastChannel-1;
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cursor.xFine=2+e->song.pat[cursor.xCoarse].effectRows*2;
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if (settings.wrapHorizontal==2) y--;
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} else {
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cursor.xCoarse=firstChannel;
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cursor.xFine=0;
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}
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} else {
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while (!e->song.chanShow[cursor.xCoarse]) {
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cursor.xCoarse--;
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if (cursor.xCoarse<0) break;
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}
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if (e->song.chanCollapse[cursor.xCoarse]) {
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cursor.xFine=0;
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} else {
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cursor.xFine=2+e->song.pat[cursor.xCoarse].effectRows*2;
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}
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}
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}
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}
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}
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}
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if (y!=0) {
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if (y>0) {
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for (int i=0; i<y; i++) {
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cursor.y++;
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if (cursor.y>=e->song.patLen) {
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if (settings.wrapVertical!=0 && !select) {
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cursor.y=0;
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if (settings.wrapVertical==2) {
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if (!e->isPlaying() && e->getOrder()<(e->song.ordersLen-1)) {
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e->setOrder(e->getOrder()+1);
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} else {
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cursor.y=e->song.patLen-1;
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}
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}
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} else {
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cursor.y=e->song.patLen-1;
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}
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}
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}
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} else {
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for (int i=0; i<-y; i++) {
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cursor.y--;
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if (cursor.y<0) {
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if (settings.wrapVertical!=0 && !select) {
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cursor.y=e->song.patLen-1;
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if (settings.wrapVertical==2) {
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if (!e->isPlaying() && e->getOrder()>0) {
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e->setOrder(e->getOrder()-1);
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} else {
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cursor.y=0;
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}
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}
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} else {
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cursor.y=0;
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}
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}
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}
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}
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}
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if (!select) {
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selStart=cursor;
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}
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selEnd=cursor;
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updateScroll(cursor.y);
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e->setMidiBaseChan(cursor.xCoarse);
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}
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void FurnaceGUI::moveCursorPrevChannel(bool overflow) {
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finishSelection();
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curNibble=false;
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DETERMINE_FIRST_LAST;
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do {
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cursor.xCoarse--;
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if (cursor.xCoarse<0) break;
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} while (!e->song.chanShow[cursor.xCoarse]);
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if (cursor.xCoarse<firstChannel) {
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if (overflow) {
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cursor.xCoarse=lastChannel-1;
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} else {
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cursor.xCoarse=firstChannel;
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}
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}
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e->setMidiBaseChan(cursor.xCoarse);
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selStart=cursor;
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selEnd=cursor;
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demandScrollX=true;
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}
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void FurnaceGUI::moveCursorNextChannel(bool overflow) {
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finishSelection();
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curNibble=false;
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DETERMINE_FIRST_LAST;
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do {
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cursor.xCoarse++;
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if (cursor.xCoarse>=e->getTotalChannelCount()) break;
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} while (!e->song.chanShow[cursor.xCoarse]);
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if (cursor.xCoarse>=lastChannel) {
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if (overflow) {
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cursor.xCoarse=firstChannel;
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} else {
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cursor.xCoarse=lastChannel-1;
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}
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}
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e->setMidiBaseChan(cursor.xCoarse);
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selStart=cursor;
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selEnd=cursor;
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demandScrollX=true;
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}
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void FurnaceGUI::moveCursorTop(bool select) {
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finishSelection();
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curNibble=false;
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if (cursor.y==0) {
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DETERMINE_FIRST;
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cursor.xCoarse=firstChannel;
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cursor.xFine=0;
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demandScrollX=true;
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} else {
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cursor.y=0;
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}
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selStart=cursor;
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if (!select) {
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selEnd=cursor;
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}
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e->setMidiBaseChan(cursor.xCoarse);
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updateScroll(cursor.y);
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}
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void FurnaceGUI::moveCursorBottom(bool select) {
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finishSelection();
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curNibble=false;
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if (cursor.y==e->song.patLen-1) {
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DETERMINE_LAST;
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cursor.xCoarse=lastChannel-1;
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if (cursor.xCoarse<0) cursor.xCoarse=0;
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cursor.xFine=2+e->song.pat[cursor.xCoarse].effectRows*2;
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demandScrollX=true;
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} else {
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cursor.y=e->song.patLen-1;
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}
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if (!select) {
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selStart=cursor;
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}
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selEnd=cursor;
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e->setMidiBaseChan(cursor.xCoarse);
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updateScroll(cursor.y);
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}
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void FurnaceGUI::editAdvance() {
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finishSelection();
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cursor.y+=editStep;
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if (cursor.y>=e->song.patLen) cursor.y=e->song.patLen-1;
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selStart=cursor;
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selEnd=cursor;
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updateScroll(cursor.y);
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} |