def build_paths(self): """ """ geo = self.geometry() radius = 30 shadow = self.offset_shadow x0, y0 = geo.x(), geo.y() width, height = geo.width() - shadow, geo.height() - shadow left, top = 0, 0 right, bottom = width, height self.round_rect_path = QPainterPath() self.round_rect_path.moveTo(right, top + radius) self.round_rect_path.arcTo(right - radius, top, radius, radius, 0.0, 90.0) self.round_rect_path.lineTo(left + radius, top) self.round_rect_path.arcTo(left, top, radius, radius, 90.0, 90.0) self.round_rect_path.lineTo(left, bottom - radius) self.round_rect_path.arcTo(left, bottom - radius, radius, radius, 180.0, 90.0) self.round_rect_path.lineTo(right - radius, bottom) self.round_rect_path.arcTo(right - radius, bottom - radius, radius, radius, 270.0, 90.0) self.round_rect_path.closeSubpath() # Top path header = 36 offset = 2 left, top = offset, offset right = width - (offset) self.top_rect_path = QPainterPath() self.top_rect_path.lineTo(right, top + radius) self.top_rect_path.moveTo(right, top + radius) self.top_rect_path.arcTo(right - radius, top, radius, radius, 0.0, 90.0) self.top_rect_path.lineTo(left + radius, top) self.top_rect_path.arcTo(left, top, radius, radius, 90.0, 90.0) self.top_rect_path.lineTo(left, top + header) self.top_rect_path.lineTo(right, top + header)
def build_paths(self): """ """ geo = self.geometry() radius = 30 shadow = self.offset_shadow x0, y0 = geo.x(), geo.y() width, height = geo.width() - shadow, geo.height() - shadow left, top = 0, 0 right, bottom = width, height self.round_rect_path = QPainterPath() self.round_rect_path.moveTo(right, top + radius) self.round_rect_path.arcTo(right-radius, top, radius, radius, 0.0, 90.0) self.round_rect_path.lineTo(left+radius, top) self.round_rect_path.arcTo(left, top, radius, radius, 90.0, 90.0) self.round_rect_path.lineTo(left, bottom-radius) self.round_rect_path.arcTo(left, bottom-radius, radius, radius, 180.0, 90.0) self.round_rect_path.lineTo(right-radius, bottom) self.round_rect_path.arcTo(right-radius, bottom-radius, radius, radius, 270.0, 90.0) self.round_rect_path.closeSubpath() # Top path header = 36 offset = 2 left, top = offset, offset right = width - (offset) self.top_rect_path = QPainterPath() self.top_rect_path.lineTo(right, top + radius) self.top_rect_path.moveTo(right, top + radius) self.top_rect_path.arcTo(right-radius, top, radius, radius, 0.0, 90.0) self.top_rect_path.lineTo(left+radius, top) self.top_rect_path.arcTo(left, top, radius, radius, 90.0, 90.0) self.top_rect_path.lineTo(left, top + header) self.top_rect_path.lineTo(right, top + header)
class FadingTipBox(FadingDialog): """ """ def __init__(self, parent, opacity, duration, easing_curve): super(FadingTipBox, self).__init__(parent, opacity, duration, easing_curve) self.holder = self.anim # needed for qt to work self.parent = parent self.frames = None self.color_top = QColor.fromRgb(230, 230, 230) self.color_back = QColor.fromRgb(255, 255, 255) self.offset_shadow = 0 self.fixed_width = 300 self.key_pressed = None self.setAttribute(Qt.WA_TranslucentBackground) self.setWindowFlags(Qt.Dialog | Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint) self.setModal(False) # Widgets self.button_home = QPushButton("<<") self.button_close = QPushButton("X") self.button_previous = QPushButton(" < ") self.button_end = QPushButton(">>") self.button_next = QPushButton(" > ") self.button_run = QPushButton(_('Run code')) self.button_disable = None self.button_current = QToolButton() self.label_image = QLabel() self.label_title = QLabel() self.combo_title = QComboBox() self.label_current = QLabel() self.label_content = QLabel() self.label_content.setMinimumWidth(self.fixed_width) self.label_content.setMaximumWidth(self.fixed_width) self.label_current.setAlignment(Qt.AlignCenter) self.label_content.setWordWrap(True) self.widgets = [self.label_content, self.label_title, self.label_current, self.combo_title, self.button_close, self.button_run, self.button_next, self.button_previous, self.button_end, self.button_home, self.button_current] arrow = get_image_path('hide.png') self.stylesheet = '''QPushButton { background-color: rgbs(200,200,200,100%); color: rgbs(0,0,0,100%); border-style: outset; border-width: 1px; border-radius: 3px; border-color: rgbs(100,100,100,100%); padding: 2px; } QPushButton:hover { background-color: rgbs(150, 150, 150, 100%); } QPushButton:disabled { background-color: rgbs(230,230,230,100%); color: rgbs(200,200,200,100%); border-color: rgbs(200,200,200,100%); } QComboBox { padding-left: 5px; background-color: rgbs(230,230,230,100%); border-width: 0px; border-radius: 0px; min-height:20px; max-height:20px; } QComboBox::drop-down { subcontrol-origin: padding; subcontrol-position: top left; border-width: 0px; } QComboBox::down-arrow { image: url(''' + arrow + '''); } ''' # Windows fix, slashes should be always in unix-style self.stylesheet = self.stylesheet.replace('\\', '/') for widget in self.widgets: widget.setFocusPolicy(Qt.NoFocus) widget.setStyleSheet(self.stylesheet) layout_top = QHBoxLayout() layout_top.addWidget(self.combo_title) layout_top.addStretch() layout_top.addWidget(self.button_close) layout_top.addSpacerItem(QSpacerItem(self.offset_shadow, self.offset_shadow)) layout_content = QHBoxLayout() layout_content.addWidget(self.label_content) layout_content.addWidget(self.label_image) layout_content.addSpacerItem(QSpacerItem(5, 5)) layout_run = QHBoxLayout() layout_run.addStretch() layout_run.addWidget(self.button_run) layout_run.addStretch() layout_run.addSpacerItem(QSpacerItem(self.offset_shadow, self.offset_shadow)) layout_navigation = QHBoxLayout() layout_navigation.addWidget(self.button_home) layout_navigation.addWidget(self.button_previous) layout_navigation.addStretch() layout_navigation.addWidget(self.label_current) layout_navigation.addStretch() layout_navigation.addWidget(self.button_next) layout_navigation.addWidget(self.button_end) layout_navigation.addSpacerItem(QSpacerItem(self.offset_shadow, self.offset_shadow)) layout = QVBoxLayout() layout.addLayout(layout_top) layout.addStretch() layout.addSpacerItem(QSpacerItem(15, 15)) layout.addLayout(layout_content) layout.addLayout(layout_run) layout.addStretch() layout.addSpacerItem(QSpacerItem(15, 15)) layout.addLayout(layout_navigation) layout.addSpacerItem(QSpacerItem(self.offset_shadow, self.offset_shadow)) layout.setSizeConstraint(QLayout.SetFixedSize) self.setLayout(layout) self.set_funcs_before_fade_in([self._disable_widgets]) self.set_funcs_after_fade_in([self._enable_widgets]) self.set_funcs_before_fade_out([self._disable_widgets]) self.setContextMenuPolicy(Qt.CustomContextMenu) # signals and slots # These are defined every time by the AnimatedTour Class def _disable_widgets(self): """ """ for widget in self.widgets: widget.setDisabled(True) def _enable_widgets(self): """ """ self.setWindowFlags(Qt.Dialog | Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint) for widget in self.widgets: widget.setDisabled(False) if self.button_disable == 'previous': self.button_previous.setDisabled(True) self.button_home.setDisabled(True) elif self.button_disable == 'next': self.button_next.setDisabled(True) self.button_end.setDisabled(True) def set_data(self, title, content, current, image, run, frames=None, step=None): """ """ self.label_title.setText(title) self.combo_title.clear() self.combo_title.addItems(frames) self.combo_title.setCurrentIndex(step) # min_content_len = max([len(f) for f in frames]) # self.combo_title.setMinimumContentsLength(min_content_len) # Fix and try to see how it looks with a combo box self.label_current.setText(current) self.button_current.setText(current) self.label_content.setText(content) self.image = image if image is None: self.label_image.setFixedHeight(1) self.label_image.setFixedWidth(1) else: extension = image.split('.')[-1] self.image = QPixmap(get_image_path(image), extension) self.label_image.setPixmap(self.image) self.label_image.setFixedSize(self.image.size()) if run is None: self.button_run.setVisible(False) else: self.button_run.setDisabled(False) self.button_run.setVisible(True) # Refresh layout self.layout().activate() def set_pos(self, x, y): """ """ self.x = x self.y = y self.move(QPoint(x, y)) def build_paths(self): """ """ geo = self.geometry() radius = 30 shadow = self.offset_shadow x0, y0 = geo.x(), geo.y() width, height = geo.width() - shadow, geo.height() - shadow left, top = 0, 0 right, bottom = width, height self.round_rect_path = QPainterPath() self.round_rect_path.moveTo(right, top + radius) self.round_rect_path.arcTo(right-radius, top, radius, radius, 0.0, 90.0) self.round_rect_path.lineTo(left+radius, top) self.round_rect_path.arcTo(left, top, radius, radius, 90.0, 90.0) self.round_rect_path.lineTo(left, bottom-radius) self.round_rect_path.arcTo(left, bottom-radius, radius, radius, 180.0, 90.0) self.round_rect_path.lineTo(right-radius, bottom) self.round_rect_path.arcTo(right-radius, bottom-radius, radius, radius, 270.0, 90.0) self.round_rect_path.closeSubpath() # Top path header = 36 offset = 2 left, top = offset, offset right = width - (offset) self.top_rect_path = QPainterPath() self.top_rect_path.lineTo(right, top + radius) self.top_rect_path.moveTo(right, top + radius) self.top_rect_path.arcTo(right-radius, top, radius, radius, 0.0, 90.0) self.top_rect_path.lineTo(left+radius, top) self.top_rect_path.arcTo(left, top, radius, radius, 90.0, 90.0) self.top_rect_path.lineTo(left, top + header) self.top_rect_path.lineTo(right, top + header) def paintEvent(self, event): """ """ self.build_paths() painter = QPainter(self) painter.setRenderHint(QPainter.Antialiasing) painter.fillPath(self.round_rect_path, self.color_back) painter.fillPath(self.top_rect_path, self.color_top) painter.strokePath(self.round_rect_path, QPen(Qt.gray, 1)) # TODO: Build the pointing arrow? def keyReleaseEvent(self, event): """ """ key = event.key() self.key_pressed = key # print(key) keys = [Qt.Key_Right, Qt.Key_Left, Qt.Key_Down, Qt.Key_Up, Qt.Key_Escape, Qt.Key_PageUp, Qt.Key_PageDown, Qt.Key_Home, Qt.Key_End, Qt.Key_Menu] if key in keys: if not self.is_fade_running(): self.sig_key_pressed.emit() def mousePressEvent(self, event): """override Qt method""" # Raise the main application window on click self.parent.raise_() self.raise_() if event.button() == Qt.RightButton: pass # clicked_widget = self.childAt(event.x(), event.y()) # if clicked_widget == self.label_current: # self.context_menu_requested(event) def context_menu_requested(self, event): """ """ pos = QPoint(event.x(), event.y()) menu = QMenu(self) actions = [] action_title = create_action(self, _('Go to step: '), icon=QIcon()) action_title.setDisabled(True) actions.append(action_title) # actions.append(create_action(self, _(': '), icon=QIcon())) add_actions(menu, actions) menu.popup(self.mapToGlobal(pos)) def reject(self): """Qt method to handle escape key event""" if not self.is_fade_running(): key = Qt.Key_Escape self.key_pressed = key self.sig_key_pressed.emit()
def update_canvas(self): """ """ w, h = self.parent.size().width(), self.parent.size().height() self.path_full = QPainterPath() self.path_subtract = QPainterPath() self.path_decoration = QPainterPath() self.region_mask = QRegion(0, 0, w, h) self.path_full.addRect(0, 0, w, h) # Add the path if self.widgets is not None: for widget in self.widgets: temp_path = QPainterPath() # if widget is not found... find more general way to handle if widget is not None: widget.raise_() widget.show() geo = widget.frameGeometry() width, height = geo.width(), geo.height() point = widget.mapTo(self.parent, QPoint(0, 0)) x, y = point.x(), point.y() temp_path.addRect(QRectF(x, y, width, height)) temp_region = QRegion(x, y, width, height) if self.interaction_on: self.region_mask = self.region_mask.subtracted(temp_region) self.path_subtract = self.path_subtract.united(temp_path) self.path_current = self.path_full.subtracted(self.path_subtract) else: self.path_current = self.path_full if self.decoration is not None: for widget in self.decoration: temp_path = QPainterPath() widget.raise_() widget.show() geo = widget.frameGeometry() width, height = geo.width(), geo.height() point = widget.mapTo(self.parent, QPoint(0, 0)) x, y = point.x(), point.y() temp_path.addRect(QRectF(x, y, width, height)) temp_region_1 = QRegion(x-1, y-1, width+2, height+2) temp_region_2 = QRegion(x+1, y+1, width-2, height-2) temp_region = temp_region_1.subtracted(temp_region_2) if self.interaction_on: self.region_mask = self.region_mask.united(temp_region) self.path_decoration = self.path_decoration.united(temp_path) else: self.path_decoration.addRect(0, 0, 0, 0) # Add a decoration stroke around widget self.setMask(self.region_mask) self.update() self.repaint()
class FadingCanvas(FadingDialog): """The black semi transparent canvas that covers the application""" def __init__(self, parent, opacity, duration, easing_curve, color): super(FadingCanvas, self).__init__(parent, opacity, duration, easing_curve) self.parent = parent self.color = color # Canvas color self.color_decoration = Qt.red # Decoration color self.stroke_decoration = 2 # width in pixels for decoration self.region_mask = None self.region_subtract = None self.region_decoration = None self.widgets = None # The widget to uncover self.decoration = None # The widget to draw decoration self.interaction_on = False self.path_current = None self.path_subtract = None self.path_full = None self.path_decoration = None # widget setup self.setWindowFlags(Qt.Dialog | Qt.FramelessWindowHint) self.setAttribute(Qt.WA_TranslucentBackground) self.setAttribute(Qt.WA_TransparentForMouseEvents) self.setModal(False) self.setFocusPolicy(Qt.NoFocus) self.set_funcs_before_fade_in([self.update_canvas]) self.set_funcs_after_fade_out([lambda: self.update_widgets(None), lambda: self.update_decoration(None)]) def set_interaction(self, value): """ """ self.interaction_on = value def update_canvas(self): """ """ w, h = self.parent.size().width(), self.parent.size().height() self.path_full = QPainterPath() self.path_subtract = QPainterPath() self.path_decoration = QPainterPath() self.region_mask = QRegion(0, 0, w, h) self.path_full.addRect(0, 0, w, h) # Add the path if self.widgets is not None: for widget in self.widgets: temp_path = QPainterPath() # if widget is not found... find more general way to handle if widget is not None: widget.raise_() widget.show() geo = widget.frameGeometry() width, height = geo.width(), geo.height() point = widget.mapTo(self.parent, QPoint(0, 0)) x, y = point.x(), point.y() temp_path.addRect(QRectF(x, y, width, height)) temp_region = QRegion(x, y, width, height) if self.interaction_on: self.region_mask = self.region_mask.subtracted(temp_region) self.path_subtract = self.path_subtract.united(temp_path) self.path_current = self.path_full.subtracted(self.path_subtract) else: self.path_current = self.path_full if self.decoration is not None: for widget in self.decoration: temp_path = QPainterPath() widget.raise_() widget.show() geo = widget.frameGeometry() width, height = geo.width(), geo.height() point = widget.mapTo(self.parent, QPoint(0, 0)) x, y = point.x(), point.y() temp_path.addRect(QRectF(x, y, width, height)) temp_region_1 = QRegion(x-1, y-1, width+2, height+2) temp_region_2 = QRegion(x+1, y+1, width-2, height-2) temp_region = temp_region_1.subtracted(temp_region_2) if self.interaction_on: self.region_mask = self.region_mask.united(temp_region) self.path_decoration = self.path_decoration.united(temp_path) else: self.path_decoration.addRect(0, 0, 0, 0) # Add a decoration stroke around widget self.setMask(self.region_mask) self.update() self.repaint() def update_widgets(self, widgets): """ """ self.widgets = widgets def update_decoration(self, widgets): """ """ self.decoration = widgets def paintEvent(self, event): """Override Qt method""" painter = QPainter(self) painter.setRenderHint(QPainter.Antialiasing) # Decoration painter.fillPath(self.path_current, QBrush(self.color)) painter.strokePath(self.path_decoration, QPen(self.color_decoration, self.stroke_decoration)) # decoration_fill = QColor(self.color_decoration) # decoration_fill.setAlphaF(0.25) # painter.fillPath(self.path_decoration, decoration_fill) def reject(self): """Override Qt method""" if not self.is_fade_running(): key = Qt.Key_Escape self.key_pressed = key self.sig_key_pressed.emit() def mousePressEvent(self, event): """Override Qt method""" pass
class FadingTipBox(FadingDialog): """ """ def __init__(self, parent, opacity, duration, easing_curve): super(FadingTipBox, self).__init__(parent, opacity, duration, easing_curve) self.holder = self.anim # needed for qt to work self.parent = parent self.frames = None self.color_top = QColor.fromRgb(230, 230, 230) self.color_back = QColor.fromRgb(255, 255, 255) self.offset_shadow = 0 self.fixed_width = 300 self.key_pressed = None self.setAttribute(Qt.WA_TranslucentBackground) self.setWindowFlags(Qt.Dialog | Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint) self.setModal(False) # Widgets self.button_home = QPushButton("<<") self.button_close = QPushButton("X") self.button_previous = QPushButton(" < ") self.button_end = QPushButton(">>") self.button_next = QPushButton(" > ") self.button_run = QPushButton(_('Run code')) self.button_disable = None self.button_current = QToolButton() self.label_image = QLabel() self.label_title = QLabel() self.combo_title = QComboBox() self.label_current = QLabel() self.label_content = QLabel() self.label_content.setMinimumWidth(self.fixed_width) self.label_content.setMaximumWidth(self.fixed_width) self.label_current.setAlignment(Qt.AlignCenter) self.label_content.setWordWrap(True) self.widgets = [ self.label_content, self.label_title, self.label_current, self.combo_title, self.button_close, self.button_run, self.button_next, self.button_previous, self.button_end, self.button_home, self.button_current ] arrow = get_image_path('hide.png') self.stylesheet = '''QPushButton { background-color: rgbs(200,200,200,100%); color: rgbs(0,0,0,100%); border-style: outset; border-width: 1px; border-radius: 3px; border-color: rgbs(100,100,100,100%); padding: 2px; } QPushButton:hover { background-color: rgbs(150, 150, 150, 100%); } QPushButton:disabled { background-color: rgbs(230,230,230,100%); color: rgbs(200,200,200,100%); border-color: rgbs(200,200,200,100%); } QComboBox { padding-left: 5px; background-color: rgbs(230,230,230,100%); border-width: 0px; border-radius: 0px; min-height:20px; max-height:20px; } QComboBox::drop-down { subcontrol-origin: padding; subcontrol-position: top left; border-width: 0px; } QComboBox::down-arrow { image: url(''' + arrow + '''); } ''' # Windows fix, slashes should be always in unix-style self.stylesheet = self.stylesheet.replace('\\', '/') for widget in self.widgets: widget.setFocusPolicy(Qt.NoFocus) widget.setStyleSheet(self.stylesheet) layout_top = QHBoxLayout() layout_top.addWidget(self.combo_title) layout_top.addStretch() layout_top.addWidget(self.button_close) layout_top.addSpacerItem( QSpacerItem(self.offset_shadow, self.offset_shadow)) layout_content = QHBoxLayout() layout_content.addWidget(self.label_content) layout_content.addWidget(self.label_image) layout_content.addSpacerItem(QSpacerItem(5, 5)) layout_run = QHBoxLayout() layout_run.addStretch() layout_run.addWidget(self.button_run) layout_run.addStretch() layout_run.addSpacerItem( QSpacerItem(self.offset_shadow, self.offset_shadow)) layout_navigation = QHBoxLayout() layout_navigation.addWidget(self.button_home) layout_navigation.addWidget(self.button_previous) layout_navigation.addStretch() layout_navigation.addWidget(self.label_current) layout_navigation.addStretch() layout_navigation.addWidget(self.button_next) layout_navigation.addWidget(self.button_end) layout_navigation.addSpacerItem( QSpacerItem(self.offset_shadow, self.offset_shadow)) layout = QVBoxLayout() layout.addLayout(layout_top) layout.addStretch() layout.addSpacerItem(QSpacerItem(15, 15)) layout.addLayout(layout_content) layout.addLayout(layout_run) layout.addStretch() layout.addSpacerItem(QSpacerItem(15, 15)) layout.addLayout(layout_navigation) layout.addSpacerItem( QSpacerItem(self.offset_shadow, self.offset_shadow)) layout.setSizeConstraint(QLayout.SetFixedSize) self.setLayout(layout) self.set_funcs_before_fade_in([self._disable_widgets]) self.set_funcs_after_fade_in([self._enable_widgets]) self.set_funcs_before_fade_out([self._disable_widgets]) self.setContextMenuPolicy(Qt.CustomContextMenu) # signals and slots # These are defined every time by the AnimatedTour Class def _disable_widgets(self): """ """ for widget in self.widgets: widget.setDisabled(True) def _enable_widgets(self): """ """ self.setWindowFlags(Qt.Dialog | Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint) for widget in self.widgets: widget.setDisabled(False) if self.button_disable == 'previous': self.button_previous.setDisabled(True) self.button_home.setDisabled(True) elif self.button_disable == 'next': self.button_next.setDisabled(True) self.button_end.setDisabled(True) def set_data(self, title, content, current, image, run, frames=None, step=None): """ """ self.label_title.setText(title) self.combo_title.clear() self.combo_title.addItems(frames) self.combo_title.setCurrentIndex(step) # min_content_len = max([len(f) for f in frames]) # self.combo_title.setMinimumContentsLength(min_content_len) # Fix and try to see how it looks with a combo box self.label_current.setText(current) self.button_current.setText(current) self.label_content.setText(content) self.image = image if image is None: self.label_image.setFixedHeight(1) self.label_image.setFixedWidth(1) else: extension = image.split('.')[-1] self.image = QPixmap(get_image_path(image), extension) self.label_image.setPixmap(self.image) self.label_image.setFixedSize(self.image.size()) if run is None: self.button_run.setVisible(False) else: self.button_run.setDisabled(False) self.button_run.setVisible(True) # Refresh layout self.layout().activate() def set_pos(self, x, y): """ """ self.x = x self.y = y self.move(QPoint(x, y)) def build_paths(self): """ """ geo = self.geometry() radius = 30 shadow = self.offset_shadow x0, y0 = geo.x(), geo.y() width, height = geo.width() - shadow, geo.height() - shadow left, top = 0, 0 right, bottom = width, height self.round_rect_path = QPainterPath() self.round_rect_path.moveTo(right, top + radius) self.round_rect_path.arcTo(right - radius, top, radius, radius, 0.0, 90.0) self.round_rect_path.lineTo(left + radius, top) self.round_rect_path.arcTo(left, top, radius, radius, 90.0, 90.0) self.round_rect_path.lineTo(left, bottom - radius) self.round_rect_path.arcTo(left, bottom - radius, radius, radius, 180.0, 90.0) self.round_rect_path.lineTo(right - radius, bottom) self.round_rect_path.arcTo(right - radius, bottom - radius, radius, radius, 270.0, 90.0) self.round_rect_path.closeSubpath() # Top path header = 36 offset = 2 left, top = offset, offset right = width - (offset) self.top_rect_path = QPainterPath() self.top_rect_path.lineTo(right, top + radius) self.top_rect_path.moveTo(right, top + radius) self.top_rect_path.arcTo(right - radius, top, radius, radius, 0.0, 90.0) self.top_rect_path.lineTo(left + radius, top) self.top_rect_path.arcTo(left, top, radius, radius, 90.0, 90.0) self.top_rect_path.lineTo(left, top + header) self.top_rect_path.lineTo(right, top + header) def paintEvent(self, event): """ """ self.build_paths() painter = QPainter(self) painter.setRenderHint(QPainter.Antialiasing) painter.fillPath(self.round_rect_path, self.color_back) painter.fillPath(self.top_rect_path, self.color_top) painter.strokePath(self.round_rect_path, QPen(Qt.gray, 1)) # TODO: Build the pointing arrow? def keyReleaseEvent(self, event): """ """ key = event.key() self.key_pressed = key # print(key) keys = [ Qt.Key_Right, Qt.Key_Left, Qt.Key_Down, Qt.Key_Up, Qt.Key_Escape, Qt.Key_PageUp, Qt.Key_PageDown, Qt.Key_Home, Qt.Key_End, Qt.Key_Menu ] if key in keys: if not self.is_fade_running(): self.sig_key_pressed.emit() def mousePressEvent(self, event): """override Qt method""" # Raise the main application window on click self.parent.raise_() self.raise_() if event.button() == Qt.RightButton: pass # clicked_widget = self.childAt(event.x(), event.y()) # if clicked_widget == self.label_current: # self.context_menu_requested(event) def context_menu_requested(self, event): """ """ pos = QPoint(event.x(), event.y()) menu = QMenu(self) actions = [] action_title = create_action(self, _('Go to step: '), icon=QIcon()) action_title.setDisabled(True) actions.append(action_title) # actions.append(create_action(self, _(': '), icon=QIcon())) add_actions(menu, actions) menu.popup(self.mapToGlobal(pos)) def reject(self): """Qt method to handle escape key event""" if not self.is_fade_running(): key = Qt.Key_Escape self.key_pressed = key self.sig_key_pressed.emit()
def update_canvas(self): """ """ w, h = self.parent.size().width(), self.parent.size().height() self.path_full = QPainterPath() self.path_subtract = QPainterPath() self.path_decoration = QPainterPath() self.region_mask = QRegion(0, 0, w, h) self.path_full.addRect(0, 0, w, h) # Add the path if self.widgets is not None: for widget in self.widgets: temp_path = QPainterPath() # if widget is not found... find more general way to handle if widget is not None: widget.raise_() widget.show() geo = widget.frameGeometry() width, height = geo.width(), geo.height() point = widget.mapTo(self.parent, QPoint(0, 0)) x, y = point.x(), point.y() temp_path.addRect(QRectF(x, y, width, height)) temp_region = QRegion(x, y, width, height) if self.interaction_on: self.region_mask = self.region_mask.subtracted(temp_region) self.path_subtract = self.path_subtract.united(temp_path) self.path_current = self.path_full.subtracted(self.path_subtract) else: self.path_current = self.path_full if self.decoration is not None: for widget in self.decoration: temp_path = QPainterPath() widget.raise_() widget.show() geo = widget.frameGeometry() width, height = geo.width(), geo.height() point = widget.mapTo(self.parent, QPoint(0, 0)) x, y = point.x(), point.y() temp_path.addRect(QRectF(x, y, width, height)) temp_region_1 = QRegion(x - 1, y - 1, width + 2, height + 2) temp_region_2 = QRegion(x + 1, y + 1, width - 2, height - 2) temp_region = temp_region_1.subtracted(temp_region_2) if self.interaction_on: self.region_mask = self.region_mask.united(temp_region) self.path_decoration = self.path_decoration.united(temp_path) else: self.path_decoration.addRect(0, 0, 0, 0) # Add a decoration stroke around widget self.setMask(self.region_mask) self.update() self.repaint()
class FadingCanvas(FadingDialog): """The black semi transparent canvas that covers the application""" def __init__(self, parent, opacity, duration, easing_curve, color): super(FadingCanvas, self).__init__(parent, opacity, duration, easing_curve) self.parent = parent self.color = color # Canvas color self.color_decoration = Qt.red # Decoration color self.stroke_decoration = 2 # width in pixels for decoration self.region_mask = None self.region_subtract = None self.region_decoration = None self.widgets = None # The widget to uncover self.decoration = None # The widget to draw decoration self.interaction_on = False self.path_current = None self.path_subtract = None self.path_full = None self.path_decoration = None # widget setup self.setWindowFlags(Qt.Dialog | Qt.FramelessWindowHint) self.setAttribute(Qt.WA_TranslucentBackground) self.setAttribute(Qt.WA_TransparentForMouseEvents) self.setModal(False) self.setFocusPolicy(Qt.NoFocus) self.set_funcs_before_fade_in([self.update_canvas]) self.set_funcs_after_fade_out([ lambda: self.update_widgets(None), lambda: self.update_decoration(None) ]) def set_interaction(self, value): """ """ self.interaction_on = value def update_canvas(self): """ """ w, h = self.parent.size().width(), self.parent.size().height() self.path_full = QPainterPath() self.path_subtract = QPainterPath() self.path_decoration = QPainterPath() self.region_mask = QRegion(0, 0, w, h) self.path_full.addRect(0, 0, w, h) # Add the path if self.widgets is not None: for widget in self.widgets: temp_path = QPainterPath() # if widget is not found... find more general way to handle if widget is not None: widget.raise_() widget.show() geo = widget.frameGeometry() width, height = geo.width(), geo.height() point = widget.mapTo(self.parent, QPoint(0, 0)) x, y = point.x(), point.y() temp_path.addRect(QRectF(x, y, width, height)) temp_region = QRegion(x, y, width, height) if self.interaction_on: self.region_mask = self.region_mask.subtracted(temp_region) self.path_subtract = self.path_subtract.united(temp_path) self.path_current = self.path_full.subtracted(self.path_subtract) else: self.path_current = self.path_full if self.decoration is not None: for widget in self.decoration: temp_path = QPainterPath() widget.raise_() widget.show() geo = widget.frameGeometry() width, height = geo.width(), geo.height() point = widget.mapTo(self.parent, QPoint(0, 0)) x, y = point.x(), point.y() temp_path.addRect(QRectF(x, y, width, height)) temp_region_1 = QRegion(x - 1, y - 1, width + 2, height + 2) temp_region_2 = QRegion(x + 1, y + 1, width - 2, height - 2) temp_region = temp_region_1.subtracted(temp_region_2) if self.interaction_on: self.region_mask = self.region_mask.united(temp_region) self.path_decoration = self.path_decoration.united(temp_path) else: self.path_decoration.addRect(0, 0, 0, 0) # Add a decoration stroke around widget self.setMask(self.region_mask) self.update() self.repaint() def update_widgets(self, widgets): """ """ self.widgets = widgets def update_decoration(self, widgets): """ """ self.decoration = widgets def paintEvent(self, event): """Override Qt method""" painter = QPainter(self) painter.setRenderHint(QPainter.Antialiasing) # Decoration painter.fillPath(self.path_current, QBrush(self.color)) painter.strokePath(self.path_decoration, QPen(self.color_decoration, self.stroke_decoration)) # decoration_fill = QColor(self.color_decoration) # decoration_fill.setAlphaF(0.25) # painter.fillPath(self.path_decoration, decoration_fill) def reject(self): """Override Qt method""" if not self.is_fade_running(): key = Qt.Key_Escape self.key_pressed = key self.sig_key_pressed.emit() def mousePressEvent(self, event): """Override Qt method""" pass