1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "commands.h"
static constexpr int setShapeRectCommandId = 1;
static constexpr int setShapeColorCommandId = 2;
/******************************************************************************
** AddShapeCommand
*/
AddShapeCommand::AddShapeCommand(Document *doc, const Shape &shape, QUndoCommand *parent)
: QUndoCommand(parent), m_doc(doc), m_shape(shape)
{
}
void AddShapeCommand::undo()
{
m_doc->deleteShape(m_shapeName);
}
void AddShapeCommand::redo()
{
// A shape only gets a name when it is inserted into a document
m_shapeName = m_doc->addShape(m_shape);
setText(QObject::tr("Add %1").arg(m_shapeName));
}
/******************************************************************************
** RemoveShapeCommand
*/
RemoveShapeCommand::RemoveShapeCommand(Document *doc, const QString &shapeName,
QUndoCommand *parent)
: QUndoCommand(parent), m_doc(doc), m_shape(doc->shape(shapeName))
, m_shapeName(shapeName)
{
setText(QObject::tr("Remove %1").arg(shapeName));
}
void RemoveShapeCommand::undo()
{
m_shapeName = m_doc->addShape(m_shape);
}
void RemoveShapeCommand::redo()
{
m_doc->deleteShape(m_shapeName);
}
/******************************************************************************
** SetShapeColorCommand
*/
SetShapeColorCommand::SetShapeColorCommand(Document *doc, const QString &shapeName,
const QColor &color, QUndoCommand *parent)
: QUndoCommand(parent), m_doc(doc), m_shapeName(shapeName)
, m_oldColor(doc->shape(shapeName).color()), m_newColor(color)
{
setText(QObject::tr("Set %1's color").arg(shapeName));
}
void SetShapeColorCommand::undo()
{
m_doc->setShapeColor(m_shapeName, m_oldColor);
}
void SetShapeColorCommand::redo()
{
m_doc->setShapeColor(m_shapeName, m_newColor);
}
bool SetShapeColorCommand::mergeWith(const QUndoCommand *command)
{
if (command->id() != setShapeColorCommandId)
return false;
const SetShapeColorCommand *other = static_cast<const SetShapeColorCommand*>(command);
if (m_shapeName != other->m_shapeName)
return false;
m_newColor = other->m_newColor;
return true;
}
int SetShapeColorCommand::id() const
{
return setShapeColorCommandId;
}
/******************************************************************************
** SetShapeRectCommand
*/
SetShapeRectCommand::SetShapeRectCommand(Document *doc, const QString &shapeName,
const QRect &rect, QUndoCommand *parent)
: QUndoCommand(parent), m_doc(doc), m_shapeName(shapeName)
, m_oldRect(doc->shape(shapeName).rect()), m_newRect(rect)
{
setText(QObject::tr("Change %1's geometry").arg(shapeName));
}
void SetShapeRectCommand::undo()
{
m_doc->setShapeRect(m_shapeName, m_oldRect);
}
void SetShapeRectCommand::redo()
{
m_doc->setShapeRect(m_shapeName, m_newRect);
}
bool SetShapeRectCommand::mergeWith(const QUndoCommand *command)
{
if (command->id() != setShapeRectCommandId)
return false;
const SetShapeRectCommand *other = static_cast<const SetShapeRectCommand*>(command);
if (m_shapeName != other->m_shapeName)
return false;
m_newRect = other->m_newRect;
return true;
}
int SetShapeRectCommand::id() const
{
return setShapeRectCommandId;
}
|