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GUI: undo, part 1

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This commit is contained in:
tildearrow 2021-12-26 18:05:18 -05:00
parent 8d587f72f2
commit ca62347917
2 changed files with 237 additions and 7 deletions
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41
src/gui/gui.h
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@ -79,6 +79,7 @@ struct SelectionPoint {
enum ActionType {
GUI_ACTION_CHANGE_SYSTEM,
GUI_ACTION_CHANGE_ORDER,
GUI_ACTION_PATTERN_EDIT,
GUI_ACTION_PATTERN_DELETE,
GUI_ACTION_PATTERN_PULL,
@ -87,13 +88,38 @@ enum ActionType {
GUI_ACTION_PATTERN_PASTE
};
struct UndoData {
int data;
struct UndoPatternData {
int chan, pat, row, col;
short oldVal, newVal;
UndoPatternData(int c, int p, int r, int co, short v1, short v2):
chan(c),
pat(p),
row(r),
col(c),
oldVal(v1),
newVal(v2) {}
};
struct UndoOrderData {
int chan, ord;
unsigned char oldVal, newVal;
UndoOrderData(int c, int o, unsigned char v1, unsigned char v2):
chan(c),
ord(o),
oldVal(v1),
newVal(v2) {}
};
struct UndoStep {
ActionType type;
std::vector<UndoData> data;
SelectionPoint cursor, selStart, selEnd;
int order;
bool nibble;
DivSystem oldSystem, newSystem;
int oldOrdersLen, newOrdersLen;
int oldPatLen, newPatLen;
std::vector<UndoOrderData> ord;
std::vector<UndoPatternData> pat;
};
class FurnaceGUI {
@ -123,6 +149,7 @@ class FurnaceGUI {
ImVec4 volColors[128];
int mainFontSize, patFontSize;
size_t maxUndoSteps;
char finalLayoutPath[4096];
@ -162,6 +189,10 @@ class FurnaceGUI {
ImVec2 patWindowPos, patWindowSize;
DivSystem oldSystem;
int oldOrdersLen;
DivOrders oldOrders;
DivPattern* oldPat[17];
std::deque<UndoStep> undoHist;
std::deque<UndoStep> redoHist;
@ -190,11 +221,15 @@ class FurnaceGUI {
void moveCursor(int x, int y);
void editAdvance();
void prepareUndo(ActionType action);
void makeUndo(ActionType action);
void doDelete();
void doPullDelete();
void doInsert();
void doCopy(bool cut);
void doPaste();
void doUndo();
void doRedo();
void keyDown(SDL_Event& ev);
void keyUp(SDL_Event& ev);