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GUI: fix paste overflow undo corruption, part 1

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TODO: garbage collection
This commit is contained in:
tildearrow 2024-01-20 02:51:20 -05:00
parent f31f9a454d
commit f322316a32
3 changed files with 76 additions and 31 deletions
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83
src/gui/editing.cpp
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@ -52,7 +52,16 @@ const char* FurnaceGUI::noteNameNormal(short note, short octave) {
return noteNames[seek];
}
void FurnaceGUI::prepareUndo(ActionType action) {
void FurnaceGUI::prepareUndo(ActionType action, UndoRegion region) {
if (region.begin.ord==-1) {
region.begin.ord=curOrder;
region.end.ord=curOrder;
region.begin.x=0;
region.end.x=e->getTotalChannelCount()-1;
region.begin.y=0;
region.end.y=e->curSubSong->patLen-1;
}
switch (action) {
case GUI_UNDO_CHANGE_ORDER:
memcpy(&oldOrders,e->curOrders,sizeof(DivOrders));
@ -74,8 +83,21 @@ void FurnaceGUI::prepareUndo(ActionType action) {
case GUI_UNDO_PATTERN_COLLAPSE:
case GUI_UNDO_PATTERN_EXPAND:
case GUI_UNDO_PATTERN_DRAG:
for (int i=0; i<e->getTotalChannelCount(); i++) {
e->curPat[i].getPattern(e->curOrders->ord[i][curOrder],false)->copyOn(oldPat[i]);
for (int h=region.begin.ord; h<=region.end.ord; h++) {
for (int i=region.begin.x; i<=region.end.x; i++) {
unsigned short id=h|(i<<8);
DivPattern* p=NULL;
auto it=oldPatMap.find(id);
if (it==oldPatMap.end()) {
p=oldPatMap[id]=new DivPattern;
logV("oldPatMap: allocating for %.4x",id);
} else {
p=it->second;
}
e->curPat[i].getPattern(e->curOrders->ord[i][h],false)->copyOn(p);
}
}
break;
case GUI_UNDO_PATTERN_COLLAPSE_SONG:
@ -86,7 +108,7 @@ void FurnaceGUI::prepareUndo(ActionType action) {
}
}
void FurnaceGUI::makeUndo(ActionType action) {
void FurnaceGUI::makeUndo(ActionType action, UndoRegion region) {
bool doPush=false;
bool shallWalk=false;
UndoStep s;
@ -99,6 +121,16 @@ void FurnaceGUI::makeUndo(ActionType action) {
s.newOrdersLen=e->curSubSong->ordersLen;
s.nibble=curNibble;
size_t subSong=e->getCurrentSubSong();
if (region.begin.ord==-1) {
region.begin.ord=curOrder;
region.end.ord=curOrder;
region.begin.x=0;
region.end.x=e->getTotalChannelCount()-1;
region.begin.y=0;
region.end.y=e->curSubSong->patLen-1;
}
switch (action) {
case GUI_UNDO_CHANGE_ORDER:
for (int i=0; i<DIV_MAX_CHANS; i++) {
@ -131,24 +163,37 @@ void FurnaceGUI::makeUndo(ActionType action) {
case GUI_UNDO_PATTERN_COLLAPSE:
case GUI_UNDO_PATTERN_EXPAND:
case GUI_UNDO_PATTERN_DRAG:
for (int i=0; i<e->getTotalChannelCount(); i++) {
DivPattern* p=e->curPat[i].getPattern(e->curOrders->ord[i][curOrder],false);
for (int j=0; j<e->curSubSong->patLen; j++) {
for (int k=0; k<DIV_MAX_COLS; k++) {
if (p->data[j][k]!=oldPat[i]->data[j][k]) {
s.pat.push_back(UndoPatternData(subSong,i,e->curOrders->ord[i][curOrder],j,k,oldPat[i]->data[j][k],p->data[j][k]));
for (int h=region.begin.ord; h<=region.end.ord; h++) {
for (int i=region.begin.x; i<=region.end.x; i++) {
DivPattern* p=e->curPat[i].getPattern(e->curOrders->ord[i][h],false);
DivPattern* op=NULL;
unsigned short id=h|(i<<8);
if (k>=4) {
if (oldPat[i]->data[j][k&(~1)]==0x0b ||
p->data[j][k&(~1)]==0x0b ||
oldPat[i]->data[j][k&(~1)]==0x0d ||
p->data[j][k&(~1)]==0x0d ||
oldPat[i]->data[j][k&(~1)]==0xff ||
p->data[j][k&(~1)]==0xff) {
shallWalk=true;
auto it=oldPatMap.find(id);
if (it==oldPatMap.end()) {
logW("no data in oldPatMap for channel %d!",i);
continue;
} else {
op=it->second;
}
for (int j=region.begin.y; j<=region.end.y; j++) {
for (int k=0; k<DIV_MAX_COLS; k++) {
if (p->data[j][k]!=op->data[j][k]) {
s.pat.push_back(UndoPatternData(subSong,i,e->curOrders->ord[i][h],j,k,op->data[j][k],p->data[j][k]));
if (k>=4) {
if (op->data[j][k&(~1)]==0x0b ||
p->data[j][k&(~1)]==0x0b ||
op->data[j][k&(~1)]==0x0d ||
p->data[j][k&(~1)]==0x0d ||
op->data[j][k&(~1)]==0xff ||
p->data[j][k&(~1)]==0xff) {
shallWalk=true;
}
}
}
}
}
}
}