Class: PuzzleWidget
- Inherits:
-
Qt::Widget
show all
- Defined in:
- ext/ruby/qtruby/examples/itemviews/puzzle/puzzlewidget.rb,
ext/ruby/qtruby/examples/draganddrop/puzzle/puzzlewidget.rb
Instance Method Summary
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Methods inherited from Qt::Widget
#raise
Methods inherited from Qt::Base
#%, #&, #*, #**, #+, #-, #-@, #/, #<, #<<, #<=, #==, #>, #>=, #>>, #QCOMPARE, #QEXPECT_FAIL, #QFAIL, #QSKIP, #QTEST, #QVERIFY, #QVERIFY2, #QWARN, #^, ancestors, #is_a?, #methods, private_slots, #protected_methods, #public_methods, q_classinfo, q_signal, q_slot, signals, #singleton_methods, slots, #|, #~
Constructor Details
#initialize(parent = nil) ⇒ PuzzleWidget
Returns a new instance of PuzzleWidget.
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# File 'ext/ruby/qtruby/examples/itemviews/puzzle/puzzlewidget.rb', line 31
def initialize(parent = nil)
super(parent)
setAcceptDrops(true)
setMinimumSize(400, 400)
setMaximumSize(400, 400)
@pieceLocations = []
@piecePixmaps = []
@pieceRects = []
end
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Instance Method Details
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# File 'ext/ruby/qtruby/examples/itemviews/puzzle/puzzlewidget.rb', line 42
def clear()
@pieceLocations.clear()
@piecePixmaps.clear()
@pieceRects.clear()
@highlightedRect = Qt::Rect.new()
@inPlace = 0
update()
end
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#dragEnterEvent(event) ⇒ Object
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# File 'ext/ruby/qtruby/examples/itemviews/puzzle/puzzlewidget.rb', line 51
def dragEnterEvent(event)
if event.mimeData.hasFormat("image/x-puzzle-piece")
event.accept
else
event.ignore
end
end
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#dragLeaveEvent(event) ⇒ Object
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# File 'ext/ruby/qtruby/examples/itemviews/puzzle/puzzlewidget.rb', line 59
def dragLeaveEvent(event)
updateRect = @highlightedRect
@highlightedRect = Qt::Rect.new()
update(updateRect)
event.accept()
end
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#dragMoveEvent(event) ⇒ Object
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# File 'ext/ruby/qtruby/examples/itemviews/puzzle/puzzlewidget.rb', line 66
def dragMoveEvent(event)
updateRect = @highlightedRect.unite(targetSquare(event.pos()))
if event.mimeData().hasFormat("image/x-puzzle-piece") &&
findPiece(targetSquare(event.pos)) == -1
@highlightedRect = targetSquare(event.pos())
puts "dragMoveEvent event.dropAction = Qt::MoveAction"
event.dropAction = Qt::MoveAction
event.accept()
else
@highlightedRect = Qt::Rect.new()
event.ignore()
end
update(updateRect)
end
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#dropEvent(event) ⇒ Object
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# File 'ext/ruby/qtruby/examples/itemviews/puzzle/puzzlewidget.rb', line 84
def dropEvent(event)
if event.mimeData().hasFormat("image/x-puzzle-piece") &&
findPiece(targetSquare(event.pos)) == -1
pieceData = event.mimeData().data("image/x-puzzle-piece")
dataStream = Qt::DataStream.new(pieceData, Qt::IODevice::ReadOnly.to_i)
square = targetSquare(event.pos)
pixmap = Qt::Pixmap.new
location = Qt::Point.new
dataStream >> pixmap >> location
@pieceLocations.push location
@piecePixmaps.push pixmap
@pieceRects.push square
@highlightedRect = Qt::Rect.new()
update(square)
puts "dropEvent event.dropAction = Qt::MoveAction"
event.dropAction = Qt::MoveAction
event.accept()
p event.dropAction
if location == Qt::Point.new(square.x()/80, square.y()/80)
@inPlace += 1
if @inPlace == 25
emit puzzleCompleted()
end
end
else
@highlightedRect = Qt::Rect.new()
event.ignore()
end
end
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#findPiece(pieceRect) ⇒ Object
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# File 'ext/ruby/qtruby/examples/itemviews/puzzle/puzzlewidget.rb', line 118
def findPiece(pieceRect)
(0...@pieceRects.size).each do |i|
if pieceRect == @pieceRects[i]
return i
end
end
return -1
end
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#mousePressEvent(event) ⇒ Object
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# File 'ext/ruby/qtruby/examples/itemviews/puzzle/puzzlewidget.rb', line 127
def mousePressEvent(event)
square = targetSquare(event.pos())
found = findPiece(square)
if found == -1
return
end
location = @pieceLocations[found]
pixmap = @piecePixmaps[found]
@pieceLocations.delete_at(found)
@piecePixmaps.delete_at(found)
@pieceRects.delete_at(found)
if location == Qt::Point.new(square.x()/80, square.y()/80)
@inPlace -= 1
end
update(square)
itemData = Qt::ByteArray.new("")
dataStream = Qt::DataStream.new(itemData, Qt::IODevice::WriteOnly.to_i)
dataStream << pixmap << location
mimeData = Qt::MimeData.new
mimeData.setData("image/x-puzzle-piece", itemData)
drag = Qt::Drag.new(self)
drag.mimeData = mimeData
drag.hotSpot = event.pos - square.topLeft()
drag.pixmap = pixmap
if drag.start(Qt::MoveAction) == 0
@pieceLocations.insert(found, location)
@piecePixmaps.insert(found, pixmap)
@pieceRects.insert(found, square)
update(targetSquare(event.pos()))
if (location == Qt::Point.new(square.x()/80, square.y()/80))
@inPlace += 1
end
end
end
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#paintEvent(event) ⇒ Object
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# File 'ext/ruby/qtruby/examples/itemviews/puzzle/puzzlewidget.rb', line 172
def paintEvent(event)
painter = Qt::Painter.new
painter.begin(self)
painter.fillRect(event.rect(), Qt::Brush.new(Qt::white))
if @highlightedRect.isValid()
painter.brush = Qt::Brush.new(Qt::Color.new("#ffcccc"))
painter.pen = Qt::NoPen
painter.drawRect(@highlightedRect.adjusted(0, 0, -1, -1))
end
(0...@pieceRects.size).each do |i|
painter.drawPixmap(@pieceRects[i], @piecePixmaps[i])
end
painter.end
end
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#targetSquare(position) ⇒ Object
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# File 'ext/ruby/qtruby/examples/itemviews/puzzle/puzzlewidget.rb', line 189
def targetSquare(position)
return Qt::Rect.new(position.x()/80 * 80, position.y()/80 * 80, 80, 80)
end
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