daniel/QTeletextMaker
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Split out commands into their own file

Browse Source
This commit is contained in:
G.K.MacGregor
2020-11-10 18:48:12 +00:00
parent 409c00f22e
commit 79fac8b972
8 changed files with 449 additions and 397 deletions
Download Patch File Download Diff File Expand all files Collapse all files

280
document.cpp
View File

@@ -313,283 +313,3 @@ void TeletextDocument::cancelSelection()
{ {
m_selectionSubPage = nullptr; m_selectionSubPage = nullptr;
} }
OverwriteCharacterCommand::OverwriteCharacterCommand(TeletextDocument *teletextDocument, unsigned char newCharacter, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_row = teletextDocument->cursorRow();
m_column = teletextDocument->cursorColumn();
m_oldCharacter = teletextDocument->currentSubPage()->character(m_row, m_column);
m_newCharacter = newCharacter;
}
void OverwriteCharacterCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, m_newCharacter);
m_teletextDocument->moveCursor(m_row, m_column);
m_teletextDocument->cursorRight();
setText(QObject::tr("overwrite char"));
emit m_teletextDocument->contentsChange(m_row);
}
void OverwriteCharacterCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, m_oldCharacter);
m_teletextDocument->moveCursor(m_row, m_column);
setText(QObject::tr("overwrite char"));
emit m_teletextDocument->contentsChange(m_row);
}
ToggleMosaicBitCommand::ToggleMosaicBitCommand(TeletextDocument *teletextDocument, unsigned char bitToToggle, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_row = teletextDocument->cursorRow();
m_column = teletextDocument->cursorColumn();
m_oldCharacter = teletextDocument->currentSubPage()->character(m_row, m_column);
if (bitToToggle == 0x20 || bitToToggle == 0x7f)
m_newCharacter = bitToToggle;
else
m_newCharacter = m_oldCharacter ^ bitToToggle;
}
void ToggleMosaicBitCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, m_newCharacter);
m_teletextDocument->moveCursor(m_row, m_column);
setText(QObject::tr("mosaic"));
emit m_teletextDocument->contentsChange(m_row);
}
void ToggleMosaicBitCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, m_oldCharacter);
m_teletextDocument->moveCursor(m_row, m_column);
setText(QObject::tr("mosaic"));
emit m_teletextDocument->contentsChange(m_row);
}
bool ToggleMosaicBitCommand::mergeWith(const QUndoCommand *command)
{
const ToggleMosaicBitCommand *previousCommand = static_cast<const ToggleMosaicBitCommand *>(command);
if (m_subPageIndex != previousCommand->m_subPageIndex || m_row != previousCommand->m_row || m_column != previousCommand->m_column)
return false;
m_newCharacter = previousCommand->m_newCharacter;
return true;
}
BackspaceCommand::BackspaceCommand(TeletextDocument *teletextDocument, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_row = teletextDocument->cursorRow();
m_column = teletextDocument->cursorColumn()-1;
if (m_column == -1) {
m_column = 39;
if (--m_row == 0)
m_row = 24;
}
m_deletedCharacter = teletextDocument->currentSubPage()->character(m_row, m_column);
}
void BackspaceCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, 0x20);
m_teletextDocument->moveCursor(m_row, m_column);
setText(QObject::tr("backspace"));
emit m_teletextDocument->contentsChange(m_row);
}
void BackspaceCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, m_deletedCharacter);
m_teletextDocument->moveCursor(m_row, m_column);
m_teletextDocument->cursorRight();
setText(QObject::tr("backspace"));
emit m_teletextDocument->contentsChange(m_row);
}
InsertRowCommand::InsertRowCommand(TeletextDocument *teletextDocument, bool copyRow, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_row = teletextDocument->cursorRow();
m_copyRow = copyRow;
}
void InsertRowCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->moveCursor(m_row, -1);
// Store copy of the bottom row we're about to push out, for undo
for (int c=0; c<40; c++)
m_deletedBottomRow[c] = m_teletextDocument->currentSubPage()->character(23, c);
// Shuffle lines below the inserting row downwards without affecting the FastText row
for (int r=22; r>=m_row; r--)
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(r+1, c, m_teletextDocument->currentSubPage()->character(r, c));
if (m_copyRow)
setText(QObject::tr("insert copy row"));
else {
// The above shuffle leaves a duplicate of the current row, so blank it if requested
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(m_row, c, ' ');
setText(QObject::tr("insert blank row"));
}
emit m_teletextDocument->refreshNeeded();
}
void InsertRowCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->moveCursor(m_row, -1);
// Shuffle lines below the deleting row upwards without affecting the FastText row
for (int r=m_row; r<23; r++)
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(r, c, m_teletextDocument->currentSubPage()->character(r+1, c));
// Now repair the bottom row we pushed out
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(23, c, m_deletedBottomRow[c]);
if (m_copyRow)
setText(QObject::tr("insert copy row"));
else
setText(QObject::tr("insert blank row"));
emit m_teletextDocument->refreshNeeded();
}
DeleteRowCommand::DeleteRowCommand(TeletextDocument *teletextDocument, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_row = teletextDocument->cursorRow();
}
void DeleteRowCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->moveCursor(m_row, -1);
// Store copy of the row we're going to delete, for undo
for (int c=0; c<40; c++)
m_deletedRow[c] = m_teletextDocument->currentSubPage()->character(m_row, c);
// Shuffle lines below the deleting row upwards without affecting the FastText row
for (int r=m_row; r<23; r++)
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(r, c, m_teletextDocument->currentSubPage()->character(r+1, c));
// If we deleted the FastText row blank that row, otherwise blank the last row
int blankingRow = (m_row < 24) ? 23 : 24;
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(blankingRow, c, ' ');
setText(QObject::tr("delete row"));
emit m_teletextDocument->refreshNeeded();
}
void DeleteRowCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->moveCursor(m_row, -1);
// Shuffle lines below the inserting row downwards without affecting the FastText row
for (int r=22; r>=m_row; r--)
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(r+1, c, m_teletextDocument->currentSubPage()->character(r, c));
// Now repair the row we deleted
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(m_row, c, m_deletedRow[c]);
setText(QObject::tr("delete row"));
emit m_teletextDocument->refreshNeeded();
}
InsertSubPageCommand::InsertSubPageCommand(TeletextDocument *teletextDocument, bool afterCurrentSubPage, bool copySubPage, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_newSubPageIndex = teletextDocument->currentSubPageIndex()+afterCurrentSubPage;
m_copySubPage = copySubPage;
}
void InsertSubPageCommand::redo()
{
m_teletextDocument->insertSubPage(m_newSubPageIndex, m_copySubPage);
m_teletextDocument->selectSubPageIndex(m_newSubPageIndex, true);
setText(QObject::tr("insert subpage"));
}
void InsertSubPageCommand::undo()
{
m_teletextDocument->deleteSubPage(m_newSubPageIndex);
//TODO should we always wrench to "subpage viewed when we inserted"? Or just if subpage viewed is being deleted?
m_teletextDocument->selectSubPageIndex(m_newSubPageIndex, true);
setText(QObject::tr("insert subpage"));
}
SetColourCommand::SetColourCommand(TeletextDocument *teletextDocument, int colourIndex, int newColour, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_colourIndex = colourIndex;
m_oldColour = teletextDocument->currentSubPage()->CLUT(colourIndex);
m_newColour = newColour;
}
void SetColourCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCLUT(m_colourIndex, m_newColour);
emit m_teletextDocument->colourChanged(m_colourIndex);
setText(QObject::tr("colour change"));
emit m_teletextDocument->refreshNeeded();
}
void SetColourCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCLUT(m_colourIndex, m_oldColour);
emit m_teletextDocument->colourChanged(m_colourIndex);
setText(QObject::tr("colour change"));
emit m_teletextDocument->refreshNeeded();
}
ResetCLUTCommand::ResetCLUTCommand(TeletextDocument *teletextDocument, int colourTable, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_colourTable = colourTable;
for (int i=m_colourTable*8; i<m_colourTable*8+8; i++)
m_oldColourEntry[i&7] = teletextDocument->currentSubPage()->CLUT(i);
}
void ResetCLUTCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
for (int i=m_colourTable*8; i<m_colourTable*8+8; i++) {
m_teletextDocument->currentSubPage()->setCLUT(i, m_teletextDocument->currentSubPage()->CLUT(i, 0));
emit m_teletextDocument->colourChanged(i);
}
setText(QObject::tr("CLUT %1 reset").arg(m_colourTable));
emit m_teletextDocument->refreshNeeded();
}
void ResetCLUTCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
for (int i=m_colourTable*8; i<m_colourTable*8+8; i++) {
m_teletextDocument->currentSubPage()->setCLUT(i, m_oldColourEntry[i&7]);
emit m_teletextDocument->colourChanged(i);
}
setText(QObject::tr("CLUT %1 reset").arg(m_colourTable));
emit m_teletextDocument->refreshNeeded();
}

117
document.h
View File

@@ -23,7 +23,6 @@
#include <QFile> #include <QFile>
#include <QObject> #include <QObject>
#include <QTextStream> #include <QTextStream>
#include <QUndoCommand>
#include <QUndoStack> #include <QUndoStack>
#include <vector> #include <vector>
#include "levelonepage.h" #include "levelonepage.h"
@@ -89,120 +88,4 @@ private:
LevelOnePage *m_selectionSubPage; LevelOnePage *m_selectionSubPage;
}; };
class OverwriteCharacterCommand : public QUndoCommand
{
public:
OverwriteCharacterCommand(TeletextDocument *, unsigned char, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
unsigned char m_oldCharacter, m_newCharacter;
int m_subPageIndex, m_row, m_column;
};
class ToggleMosaicBitCommand : public QUndoCommand
{
public:
enum { Id = 2 };
ToggleMosaicBitCommand(TeletextDocument *, unsigned char, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
bool mergeWith(const QUndoCommand *) override;
int id() const override { return Id; }
private:
TeletextDocument *m_teletextDocument;
unsigned char m_oldCharacter, m_newCharacter;
int m_subPageIndex, m_row, m_column;
};
class BackspaceCommand : public QUndoCommand
{
public:
BackspaceCommand(TeletextDocument *, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
unsigned char m_deletedCharacter;
int m_subPageIndex, m_row, m_column;
};
class InsertSubPageCommand : public QUndoCommand
{
public:
InsertSubPageCommand(TeletextDocument *, bool, bool, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
int m_newSubPageIndex;
bool m_copySubPage;
};
class InsertRowCommand : public QUndoCommand
{
public:
InsertRowCommand(TeletextDocument *, bool, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
int m_subPageIndex, m_row;
bool m_copyRow;
unsigned char m_deletedBottomRow[40];
};
class DeleteRowCommand : public QUndoCommand
{
public:
DeleteRowCommand(TeletextDocument *, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
int m_subPageIndex, m_row;
unsigned char m_deletedRow[40];
};
class SetColourCommand : public QUndoCommand
{
public:
SetColourCommand(TeletextDocument *, int, int, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
int m_subPageIndex, m_colourIndex, m_oldColour, m_newColour;
};
class ResetCLUTCommand : public QUndoCommand
{
public:
ResetCLUTCommand(TeletextDocument *, int, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
int m_subPageIndex, m_colourTable;
int m_oldColourEntry[8];
};
#endif #endif

301
levelonecommands.cpp Normal file
View File

@@ -0,0 +1,301 @@
/*
* Copyright (C) 2020 Gavin MacGregor
*
* This file is part of QTeletextMaker.
*
* QTeletextMaker 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 3 of the License, or
* (at your option) any later version.
*
* QTeletextMaker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with QTeletextMaker. If not, see <https://www.gnu.org/licenses/>.
*/
#include "levelonecommands.h"
#include "document.h"
OverwriteCharacterCommand::OverwriteCharacterCommand(TeletextDocument *teletextDocument, unsigned char newCharacter, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_row = teletextDocument->cursorRow();
m_column = teletextDocument->cursorColumn();
m_oldCharacter = teletextDocument->currentSubPage()->character(m_row, m_column);
m_newCharacter = newCharacter;
}
void OverwriteCharacterCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, m_newCharacter);
m_teletextDocument->moveCursor(m_row, m_column);
m_teletextDocument->cursorRight();
setText(QObject::tr("overwrite char"));
emit m_teletextDocument->contentsChange(m_row);
}
void OverwriteCharacterCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, m_oldCharacter);
m_teletextDocument->moveCursor(m_row, m_column);
setText(QObject::tr("overwrite char"));
emit m_teletextDocument->contentsChange(m_row);
}
ToggleMosaicBitCommand::ToggleMosaicBitCommand(TeletextDocument *teletextDocument, unsigned char bitToToggle, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_row = teletextDocument->cursorRow();
m_column = teletextDocument->cursorColumn();
m_oldCharacter = teletextDocument->currentSubPage()->character(m_row, m_column);
if (bitToToggle == 0x20 || bitToToggle == 0x7f)
m_newCharacter = bitToToggle;
else
m_newCharacter = m_oldCharacter ^ bitToToggle;
}
void ToggleMosaicBitCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, m_newCharacter);
m_teletextDocument->moveCursor(m_row, m_column);
setText(QObject::tr("mosaic"));
emit m_teletextDocument->contentsChange(m_row);
}
void ToggleMosaicBitCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, m_oldCharacter);
m_teletextDocument->moveCursor(m_row, m_column);
setText(QObject::tr("mosaic"));
emit m_teletextDocument->contentsChange(m_row);
}
bool ToggleMosaicBitCommand::mergeWith(const QUndoCommand *command)
{
const ToggleMosaicBitCommand *previousCommand = static_cast<const ToggleMosaicBitCommand *>(command);
if (m_subPageIndex != previousCommand->m_subPageIndex || m_row != previousCommand->m_row || m_column != previousCommand->m_column)
return false;
m_newCharacter = previousCommand->m_newCharacter;
return true;
}
BackspaceCommand::BackspaceCommand(TeletextDocument *teletextDocument, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_row = teletextDocument->cursorRow();
m_column = teletextDocument->cursorColumn()-1;
if (m_column == -1) {
m_column = 39;
if (--m_row == 0)
m_row = 24;
}
m_deletedCharacter = teletextDocument->currentSubPage()->character(m_row, m_column);
}
void BackspaceCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, 0x20);
m_teletextDocument->moveCursor(m_row, m_column);
setText(QObject::tr("backspace"));
emit m_teletextDocument->contentsChange(m_row);
}
void BackspaceCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCharacter(m_row, m_column, m_deletedCharacter);
m_teletextDocument->moveCursor(m_row, m_column);
m_teletextDocument->cursorRight();
setText(QObject::tr("backspace"));
emit m_teletextDocument->contentsChange(m_row);
}
InsertRowCommand::InsertRowCommand(TeletextDocument *teletextDocument, bool copyRow, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_row = teletextDocument->cursorRow();
m_copyRow = copyRow;
}
void InsertRowCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->moveCursor(m_row, -1);
// Store copy of the bottom row we're about to push out, for undo
for (int c=0; c<40; c++)
m_deletedBottomRow[c] = m_teletextDocument->currentSubPage()->character(23, c);
// Shuffle lines below the inserting row downwards without affecting the FastText row
for (int r=22; r>=m_row; r--)
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(r+1, c, m_teletextDocument->currentSubPage()->character(r, c));
if (m_copyRow)
setText(QObject::tr("insert copy row"));
else {
// The above shuffle leaves a duplicate of the current row, so blank it if requested
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(m_row, c, ' ');
setText(QObject::tr("insert blank row"));
}
emit m_teletextDocument->refreshNeeded();
}
void InsertRowCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->moveCursor(m_row, -1);
// Shuffle lines below the deleting row upwards without affecting the FastText row
for (int r=m_row; r<23; r++)
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(r, c, m_teletextDocument->currentSubPage()->character(r+1, c));
// Now repair the bottom row we pushed out
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(23, c, m_deletedBottomRow[c]);
if (m_copyRow)
setText(QObject::tr("insert copy row"));
else
setText(QObject::tr("insert blank row"));
emit m_teletextDocument->refreshNeeded();
}
DeleteRowCommand::DeleteRowCommand(TeletextDocument *teletextDocument, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_row = teletextDocument->cursorRow();
}
void DeleteRowCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->moveCursor(m_row, -1);
// Store copy of the row we're going to delete, for undo
for (int c=0; c<40; c++)
m_deletedRow[c] = m_teletextDocument->currentSubPage()->character(m_row, c);
// Shuffle lines below the deleting row upwards without affecting the FastText row
for (int r=m_row; r<23; r++)
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(r, c, m_teletextDocument->currentSubPage()->character(r+1, c));
// If we deleted the FastText row blank that row, otherwise blank the last row
int blankingRow = (m_row < 24) ? 23 : 24;
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(blankingRow, c, ' ');
setText(QObject::tr("delete row"));
emit m_teletextDocument->refreshNeeded();
}
void DeleteRowCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->moveCursor(m_row, -1);
// Shuffle lines below the inserting row downwards without affecting the FastText row
for (int r=22; r>=m_row; r--)
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(r+1, c, m_teletextDocument->currentSubPage()->character(r, c));
// Now repair the row we deleted
for (int c=0; c<40; c++)
m_teletextDocument->currentSubPage()->setCharacter(m_row, c, m_deletedRow[c]);
setText(QObject::tr("delete row"));
emit m_teletextDocument->refreshNeeded();
}
InsertSubPageCommand::InsertSubPageCommand(TeletextDocument *teletextDocument, bool afterCurrentSubPage, bool copySubPage, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_newSubPageIndex = teletextDocument->currentSubPageIndex()+afterCurrentSubPage;
m_copySubPage = copySubPage;
}
void InsertSubPageCommand::redo()
{
m_teletextDocument->insertSubPage(m_newSubPageIndex, m_copySubPage);
m_teletextDocument->selectSubPageIndex(m_newSubPageIndex, true);
setText(QObject::tr("insert subpage"));
}
void InsertSubPageCommand::undo()
{
m_teletextDocument->deleteSubPage(m_newSubPageIndex);
//TODO should we always wrench to "subpage viewed when we inserted"? Or just if subpage viewed is being deleted?
m_teletextDocument->selectSubPageIndex(m_newSubPageIndex, true);
setText(QObject::tr("insert subpage"));
}
SetColourCommand::SetColourCommand(TeletextDocument *teletextDocument, int colourIndex, int newColour, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_colourIndex = colourIndex;
m_oldColour = teletextDocument->currentSubPage()->CLUT(colourIndex);
m_newColour = newColour;
}
void SetColourCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCLUT(m_colourIndex, m_newColour);
emit m_teletextDocument->colourChanged(m_colourIndex);
setText(QObject::tr("colour change"));
emit m_teletextDocument->refreshNeeded();
}
void SetColourCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
m_teletextDocument->currentSubPage()->setCLUT(m_colourIndex, m_oldColour);
emit m_teletextDocument->colourChanged(m_colourIndex);
setText(QObject::tr("colour change"));
emit m_teletextDocument->refreshNeeded();
}
ResetCLUTCommand::ResetCLUTCommand(TeletextDocument *teletextDocument, int colourTable, QUndoCommand *parent) : QUndoCommand(parent)
{
m_teletextDocument = teletextDocument;
m_subPageIndex = teletextDocument->currentSubPageIndex();
m_colourTable = colourTable;
for (int i=m_colourTable*8; i<m_colourTable*8+8; i++)
m_oldColourEntry[i&7] = teletextDocument->currentSubPage()->CLUT(i);
}
void ResetCLUTCommand::redo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
for (int i=m_colourTable*8; i<m_colourTable*8+8; i++) {
m_teletextDocument->currentSubPage()->setCLUT(i, m_teletextDocument->currentSubPage()->CLUT(i, 0));
emit m_teletextDocument->colourChanged(i);
}
setText(QObject::tr("CLUT %1 reset").arg(m_colourTable));
emit m_teletextDocument->refreshNeeded();
}
void ResetCLUTCommand::undo()
{
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
for (int i=m_colourTable*8; i<m_colourTable*8+8; i++) {
m_teletextDocument->currentSubPage()->setCLUT(i, m_oldColourEntry[i&7]);
emit m_teletextDocument->colourChanged(i);
}
setText(QObject::tr("CLUT %1 reset").arg(m_colourTable));
emit m_teletextDocument->refreshNeeded();
}

143
levelonecommands.h Normal file
View File

@@ -0,0 +1,143 @@
/*
* Copyright (C) 2020 Gavin MacGregor
*
* This file is part of QTeletextMaker.
*
* QTeletextMaker 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 3 of the License, or
* (at your option) any later version.
*
* QTeletextMaker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with QTeletextMaker. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LEVELONECOMMANDS_H
#define LEVELONECOMMANDS_H
#include <QUndoCommand>
#include "document.h"
class OverwriteCharacterCommand : public QUndoCommand
{
public:
OverwriteCharacterCommand(TeletextDocument *, unsigned char, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
unsigned char m_oldCharacter, m_newCharacter;
int m_subPageIndex, m_row, m_column;
};
class ToggleMosaicBitCommand : public QUndoCommand
{
public:
enum { Id = 2 };
ToggleMosaicBitCommand(TeletextDocument *, unsigned char, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
bool mergeWith(const QUndoCommand *) override;
int id() const override { return Id; }
private:
TeletextDocument *m_teletextDocument;
unsigned char m_oldCharacter, m_newCharacter;
int m_subPageIndex, m_row, m_column;
};
class BackspaceCommand : public QUndoCommand
{
public:
BackspaceCommand(TeletextDocument *, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
unsigned char m_deletedCharacter;
int m_subPageIndex, m_row, m_column;
};
class InsertSubPageCommand : public QUndoCommand
{
public:
InsertSubPageCommand(TeletextDocument *, bool, bool, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
int m_newSubPageIndex;
bool m_copySubPage;
};
class InsertRowCommand : public QUndoCommand
{
public:
InsertRowCommand(TeletextDocument *, bool, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
int m_subPageIndex, m_row;
bool m_copyRow;
unsigned char m_deletedBottomRow[40];
};
class DeleteRowCommand : public QUndoCommand
{
public:
DeleteRowCommand(TeletextDocument *, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
int m_subPageIndex, m_row;
unsigned char m_deletedRow[40];
};
class SetColourCommand : public QUndoCommand
{
public:
SetColourCommand(TeletextDocument *, int, int, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
int m_subPageIndex, m_colourIndex, m_oldColour, m_newColour;
};
class ResetCLUTCommand : public QUndoCommand
{
public:
ResetCLUTCommand(TeletextDocument *, int, QUndoCommand *parent = 0);
void redo() override;
void undo() override;
private:
TeletextDocument *m_teletextDocument;
int m_subPageIndex, m_colourTable;
int m_oldColourEntry[8];
};
#endif

1
mainwidget.cpp
View File

@@ -31,6 +31,7 @@
#include "mainwidget.h" #include "mainwidget.h"
#include "document.h" #include "document.h"
#include "levelonecommands.h"
#include "levelonepage.h" #include "levelonepage.h"
#include "render.h" #include "render.h"
#include "x26triplets.h" #include "x26triplets.h"

1
mainwindow.cpp
View File

@@ -32,6 +32,7 @@
#include "mainwindow.h" #include "mainwindow.h"
#include "levelonecommands.h"
#include "mainwidget.h" #include "mainwidget.h"
#include "pageenhancementsdockwidget.h" #include "pageenhancementsdockwidget.h"
#include "pageoptionsdockwidget.h" #include "pageoptionsdockwidget.h"

1
palettedockwidget.cpp
View File

@@ -27,6 +27,7 @@
#include "palettedockwidget.h" #include "palettedockwidget.h"
#include "levelonecommands.h"
#include "document.h" #include "document.h"
#include "mainwidget.h" #include "mainwidget.h"

2
qteletextmaker.pro
View File

@@ -2,6 +2,7 @@ QT += widgets
requires(qtConfig(filedialog)) requires(qtConfig(filedialog))
HEADERS = document.h \ HEADERS = document.h \
levelonecommands.h \
levelonepage.h \ levelonepage.h \
mainwidget.h \ mainwidget.h \
mainwindow.h \ mainwindow.h \
@@ -14,6 +15,7 @@ HEADERS = document.h \
x26model.h \ x26model.h \
x26triplets.h x26triplets.h
SOURCES = document.cpp \ SOURCES = document.cpp \
levelonecommands.cpp \
levelonepage.cpp \ levelonepage.cpp \
main.cpp \ main.cpp \
mainwidget.cpp \ mainwidget.cpp \