コード例 #1
0
ファイル: page_view.py プロジェクト: zeroWin/FeelUOwn
    def __init__(self, app, parent=None):
        super().__init__(parent)

        self._app = app
        self._pixmap = None

        self._layout = QVBoxLayout(self)
        self._stacked_layout = QStackedLayout()
        self.scrollarea = ScrollArea(self._app, self)
        self.table_container = self.scrollarea.t
        # TODO: collection container will be removed
        self.collection_container = CollectionContainer(self._app, self)
        self.bottom_panel = BottomPanel(app, self)

        self._setup_ui()
コード例 #2
0
ファイル: page_view.py プロジェクト: zeroWin/FeelUOwn
class RightPanel(QFrame):
    def __init__(self, app, parent=None):
        super().__init__(parent)

        self._app = app
        self._pixmap = None

        self._layout = QVBoxLayout(self)
        self._stacked_layout = QStackedLayout()
        self.scrollarea = ScrollArea(self._app, self)
        self.table_container = self.scrollarea.t
        # TODO: collection container will be removed
        self.collection_container = CollectionContainer(self._app, self)
        self.bottom_panel = BottomPanel(app, self)

        self._setup_ui()

    def _setup_ui(self):
        self.scrollarea.setMinimumHeight(100)
        self.collection_container.hide()
        self._layout.addWidget(self.bottom_panel)
        self._layout.addLayout(self._stacked_layout)
        self._stacked_layout.addWidget(self.scrollarea)
        self._stacked_layout.addWidget(self.collection_container)
        self._layout.setContentsMargins(0, 0, 0, 0)
        self._layout.setSpacing(0)

    def show_model(self, model):
        self.set_body(self.scrollarea)
        # TODO: use PreemptiveTask
        aio.create_task(self.table_container.show_model(model))

    def show_songs(self, songs):
        self.collection_container.hide()
        self.set_body(self.scrollarea)
        self.table_container.show_songs(songs)

    def set_body(self, widget):
        self._stacked_layout.setCurrentWidget(widget)

    def show_collection(self, coll):

        def _show_pure_albums_coll(coll):
            self.set_body(self.scrollarea)
            reader = wrap(coll.models)
            self.table_container.show_albums_coll(reader)

        def _show_pure_songs_coll(coll):
            self.set_body(self.scrollarea)
            self.table_container.show_collection(coll)

        def _show_mixed_coll(coll):
            self.set_body(self.collection_container)
            self.collection_container.show_collection(coll)

        def _show_pure_videos_coll(coll):
            from feeluown.gui.page_containers.table import VideosRenderer

            self.set_body(self.scrollarea)
            reader = wrap(coll.models)
            renderer = VideosRenderer(reader)
            aio.create_task(self.table_container.set_renderer(renderer))

        if coll.type is CollectionType.sys_library:
            self._app.browser.goto(page='/colls/library')
            return

        types = set()
        for model in coll.models:
            types.add(model.meta.model_type)
            if len(types) >= 2:
                break

        if len(types) == 1:
            type_ = types.pop()
            if type_ == ModelType.song:
                _show_pure_songs_coll(coll)
            elif type_ == ModelType.album:
                _show_pure_albums_coll(coll)
            elif type_ == ModelType.video:
                _show_pure_videos_coll(coll)
            else:
                _show_mixed_coll(coll)
        else:
            _show_mixed_coll(coll)

    def show_background_image(self, pixmap):
        self._pixmap = pixmap
        if pixmap is None:
            self.table_container.meta_widget.setMinimumHeight(0)
        else:
            height = (self._app.height() - self.bottom_panel.height() -
                      self.table_container.toolbar.height()) // 2
            self.table_container.meta_widget.setMinimumHeight(height)
        self.update()

    def paintEvent(self, e):
        """
        draw pixmap as a the background with a dark overlay

        HELP: currently, this cost much CPU
        """
        painter = QPainter(self)
        painter.setPen(Qt.NoPen)
        painter.setRenderHint(QPainter.Antialiasing)
        painter.setRenderHint(QPainter.SmoothPixmapTransform)

        # calculate available size
        draw_width = self.width()
        draw_height = 10  # spacing defined in table container
        draw_height += self.bottom_panel.height()
        if self.table_container.meta_widget.isVisible():
            draw_height += self.table_container.meta_widget.height()
        extra = self.table_container.current_extra
        if extra is not None and extra.isVisible():
            draw_height += extra.height()
        if self.table_container.toolbar.isVisible():
            draw_height += self.table_container.toolbar.height()

        scrolled = self.scrollarea.verticalScrollBar().value()
        max_scroll_height = draw_height - self.bottom_panel.height()

        if scrolled >= max_scroll_height:
            painter.save()
            painter.setBrush(self.palette().brush(QPalette.Window))
            painter.drawRect(self.bottom_panel.rect())
            painter.restore()
            return

        if self._pixmap is not None:
            self._draw_pixmap(painter, draw_width, draw_height, scrolled)
            self._draw_pixmap_overlay(painter, draw_width, draw_height, scrolled)
        else:
            # draw gradient for widgets(bottom panel + meta_widget + ...) above table
            self._draw_overlay(painter, draw_width, draw_height, scrolled)

            # if scrolled height > 30, draw background to seperate bottom_panel and body
            if scrolled >= 30:
                painter.save()
                painter.setBrush(self.palette().brush(QPalette.Window))
                painter.drawRect(self.bottom_panel.rect())
                painter.restore()
                return

            # since the body's background color is palette(base), we use
            # the color to draw background for remain empty area
            painter.save()
            painter.setBrush(self.palette().brush(QPalette.Base))
            painter.drawRect(0, draw_height, draw_width, self.height() - draw_height)
            painter.restore()
        painter.end()

    def _draw_pixmap_overlay(self, painter, draw_width, draw_height, scrolled):
        painter.save()
        rect = QRect(0, 0, draw_width, draw_height)
        painter.translate(0, -scrolled)
        gradient = QLinearGradient(rect.topLeft(), rect.bottomLeft())
        color = self.palette().color(QPalette.Base)
        if draw_height == self.height():
            gradient.setColorAt(0, add_alpha(color, 180))
            gradient.setColorAt(1, add_alpha(color, 230))
        else:
            if self._app.theme_mgr.theme == Light:
                gradient.setColorAt(0, add_alpha(color, 220))
                gradient.setColorAt(0.1, add_alpha(color, 180))
                gradient.setColorAt(0.2, add_alpha(color, 140))
                gradient.setColorAt(0.6, add_alpha(color, 140))
                gradient.setColorAt(0.8, add_alpha(color, 200))
                gradient.setColorAt(0.9, add_alpha(color, 240))
                gradient.setColorAt(1, color)
            else:
                gradient.setColorAt(0, add_alpha(color, 50))
                gradient.setColorAt(0.6, add_alpha(color, 100))
                gradient.setColorAt(0.8, add_alpha(color, 200))
                gradient.setColorAt(0.9, add_alpha(color, 240))
                gradient.setColorAt(1, color)
        painter.setBrush(gradient)
        painter.drawRect(rect)
        painter.restore()

    def _draw_overlay(self, painter, draw_width, draw_height, scrolled):
        painter.save()
        rect = QRect(0, 0, draw_width, draw_height)
        painter.translate(0, -scrolled)
        gradient = QLinearGradient(rect.topLeft(), rect.bottomLeft())
        gradient.setColorAt(0, self.palette().color(QPalette.Window))
        gradient.setColorAt(1, self.palette().color(QPalette.Base))
        painter.setBrush(gradient)
        painter.drawRect(rect)
        painter.restore()

    def _draw_pixmap(self, painter, draw_width, draw_height, scrolled):
        # scale pixmap
        scaled_pixmap = self._pixmap.scaledToWidth(
            draw_width,
            mode=Qt.SmoothTransformation)
        pixmap_size = scaled_pixmap.size()

        # draw the center part of the pixmap on available rect
        painter.save()
        brush = QBrush(scaled_pixmap)
        painter.setBrush(brush)
        # note: in practice, most of the time, we can't show the
        # whole artist pixmap, as a result, the artist head will be cut,
        # which causes bad visual effect. So we render the top-center part
        # of the pixmap here.
        y = (pixmap_size.height() - draw_height) // 3
        painter.translate(0, - y - scrolled)
        rect = QRect(0, y, draw_width, draw_height)
        painter.drawRect(rect)
        painter.restore()

    def sizeHint(self):
        size = super().sizeHint()
        return QSize(760, size.height())