def __init__(self, *args): QWidget.__init__(self, *args) self.edit = None # This is used to update the width of the control. # It is the highest line that is currently visibile. self.highest_line = 0 self.font = None
def __init__(self, parent, name, script="", filemodified=0): QWidget.__init__(self) self.parent = parent self.tabWidget = self.parent.ui.tabWidget self.gridlayout = QGridLayout(self) self._dirty = False self.initialize_editor() self.gridlayout.addWidget(self.editor) self.setAcceptDrops(True) self.filename = name self.filemodified = filemodified if self.is_file(): self.title = os.path.basename(name) # if self.equals_saved(): # self.filemodified = os.path.getmtime(self.filename) else: self.filename = "" self.title = name # Show this file in the self.editor self.editor.setText(script) self.clean_txt = self.saved() self.update_dirty() self.editor.keyPressEvent = self.key_press_event
def update(self, *args): ''' Updates the number bar to display the current set of numbers. Also, adjusts the width of the number bar if necessary. ''' # The + 4 is used to compensate for the current line being bold. width = self.fontMetrics().width(str(self.highest_line)) + 4 if self.width() != width: self.setFixedWidth(width) QWidget.update(self, *args)
def paintEvent(self, event): contents_y = self.edit.verticalScrollBar().value() page_bottom = contents_y + self.edit.viewport().height() font_metrics = self.fontMetrics() current_block = self.edit.document().findBlock( self.edit.textCursor().position()) painter = QPainter(self) line_count = 0 # Iterate over all text blocks in the document. block = self.edit.document().begin() while block.isValid(): line_count += 1 # The top left position of the block in the document position = self.edit.document().documentLayout( ).blockBoundingRect(block).topLeft() # Check if the position of the block is out side of the visible # area. if position.y() > page_bottom: break # We want the line number for the selected line to be bold. bold = False if block == current_block: bold = True font = painter.font() font.setBold(True) painter.setFont(font) # Draw the line number right justified at the y position of the # line. 3 is a magic padding number. drawText(x, y, text). painter.drawText( self.width() - font_metrics.width(str(line_count)) - 3, round(position.y()) - contents_y + font_metrics.ascent(), str(line_count)) # Remove the bold style if it was set previously. if bold: font = painter.font() font.setBold(False) painter.setFont(font) block = block.next() self.highest_line = line_count painter.end() QWidget.paintEvent(self, event)
def wheelEvent(self, event): if event.modifiers() == Qt.ControlModifier: if event.delta() > 0: self.editor.zoomIn() else: self.editor.zoomOut() return QWidget.wheelEvent(self, event)
def paintEvent(self, event): contents_y = self.edit.verticalScrollBar().value() page_bottom = contents_y + self.edit.viewport().height() font_metrics = self.fontMetrics() current_block = self.edit.document().findBlock(self.edit.textCursor().position()) painter = QPainter(self) line_count = 0 # Iterate over all text blocks in the document. block = self.edit.document().begin() while block.isValid(): line_count += 1 # The top left position of the block in the document position = self.edit.document().documentLayout().blockBoundingRect(block).topLeft() # Check if the position of the block is out side of the visible # area. if position.y() > page_bottom: break # We want the line number for the selected line to be bold. bold = False if block == current_block: bold = True font = painter.font() font.setBold(True) painter.setFont(font) # Draw the line number right justified at the y position of the # line. 3 is a magic padding number. drawText(x, y, text). painter.drawText(self.width() - font_metrics.width(str(line_count)) - 3, round(position.y()) - contents_y + font_metrics.ascent(), str(line_count)) # Remove the bold style if it was set previously. if bold: font = painter.font() font.setBold(False) painter.setFont(font) block = block.next() self.highest_line = line_count painter.end() QWidget.paintEvent(self, event)
def __init__(self, *args): QWidget.__init__(self, *args) self.edit = None # This is used to update the width of the control. # It is the highest line that is currently visibile. self.highest_line = 0