Example #1
0
    def __init__(self, servico, parent=None):
        super().__init__(parent)
        self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.setTransformationAnchor(QGraphicsView.AnchorViewCenter)
        self.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

        self.viewport().setAutoFillBackground(False)
        self.setFrameShape(QFrame.NoFrame)

        self.setMinimumWidth(150)

        self._scene = ListaScene(self)
        self.setScene(self._scene)

        self._servico = servico

        self._servico.dadosUsuarioAtualizado.connect(self._atualizarDadosUsuario)
        self._scene.doubleClickItem.connect(self._emitirUsuarioSelecionado)
Example #2
0
class BarraLista(QGraphicsView):
    usuarioSelecionado = pyqtSignal(Usuario)

    def __init__(self, servico, parent=None):
        super().__init__(parent)
        self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.setTransformationAnchor(QGraphicsView.AnchorViewCenter)
        self.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

        self.viewport().setAutoFillBackground(False)
        self.setFrameShape(QFrame.NoFrame)

        self.setMinimumWidth(150)

        self._scene = ListaScene(self)
        self.setScene(self._scene)

        self._servico = servico

        self._servico.dadosUsuarioAtualizado.connect(self._atualizarDadosUsuario)
        self._scene.doubleClickItem.connect(self._emitirUsuarioSelecionado)

    def _emitirUsuarioSelecionado(self, item):
        self.usuarioSelecionado.emit(item.getUsuario())

        for i in range(self._scene.quantItens()):
            sceneItem = self._scene.getItem(i)
            sceneItem.selected = (sceneItem == item)

    def _atualizarDadosUsuario(self, usuario):
        us = self.getItemUsuario(usuario)
        if not us:
            self.addUsuario(usuario)
        else:
            us.setUsuario(usuario)

    def addUsuario(self, usuario):
        item = ItemUsuario(usuario)

        self.sceneRectChanged.connect(item.resize)
        item.resize(self.sceneRect())

        self._scene.addItem(item)

    def atualizarNumConversasNaoVisualizadas(self, usuario, num):
        self.getItemUsuario(usuario).setNumConversasNaoVisualizadas(num)

    def getItemUsuario(self, usuario):
        for i in range(self._scene.quantItens()):
            if self._scene.getItem(i).getUsuario().getIP() == usuario.getIP():
                return self._scene.getItem(i)

        return None

    def resizeEvent(self, resize):
        size = resize.size()
        self._scene.setSceneRect(0, 0, size.width(), size.height())

    def __getattr__(self, attr):
        return self._scene.__getattribute__(attr)
Example #3
0
#-*- coding: utf-8 -*-

from PyQt4.QtGui import QApplication, QGraphicsView
from PyQt4.QtCore import QTimer, QRectF

from widgets.lista import ListaScene
from widgets.itens import ItemMovel


app = QApplication([])
w = QGraphicsView()
a = ListaScene(w)
a.setSceneRect(0,0,300,300)

i = ItemMovel()
a.addItem(i)
i2 = ItemMovel()
a.addItem(i2)

QTimer.singleShot(2000, lambda: (i.setTamanho(QRectF(0,0,10,10)), i2.setTamanho(QRectF(0,0,40,20))))
QTimer.singleShot(4000, lambda: i.setTamanho(QRectF(0,0,60,50)))

q = ItemMovel()
QTimer.singleShot(6000, lambda: (a.addItem(q), q.setTamanho(QRectF(0,0,60,60))))

QTimer.singleShot(8000, lambda: (q.setTamanho(QRectF(0,0,30,20)), i.setTamanho(QRectF(0,0,10,50)), i2.setTamanho(QRectF(0,0,30,10))))

a.addItem(ItemMovel())
w.setScene(a)
w.show()