SudokuGame/graphic_components/sudoku_graphics.py

446 lines
15 KiB
Python

"""
This module contains the components that make up the Sudoku Board
"""
import numpy as np
from PySide2.QtCore import (QAbstractAnimation, QPointF, Qt, QRectF, QLineF, QPropertyAnimation, Property, Signal)
from PySide2.QtGui import QPen, QFont
from PySide2.QtWidgets import QGraphicsItem, QGraphicsObject
from gameplay import sudoku_gameplay as sdk
from general.extras import bound_value
from . import buttons
from . import menu_graphics as menu_grap
SCRIBBLE_KEY = Qt.Key_M
class BaseSudokuItem(QGraphicsObject):
def __init__(self, parent):
super().__init__(parent=parent)
self.setParent(parent)
self.parent = parent
self.default_pen = QPen()
self.default_pen.setColor(Qt.white)
self.default_pen.setWidth(1)
self.default_font = QFont("Helvetica", pointSize=14)
self.freeze = False
class NumberPainter(BaseSudokuItem):
# TODO: Use different font to differentiate the status of a cell
def __init__(self, parent, grid):
super().__init__(parent=parent)
self.sudoku_grid = grid
self.invalid_pen = QPen()
self.invalid_pen.setColor(Qt.lightGray)
self.invalid_font = QFont("Helvetica", pointSize=11, italic=True)
self.fixed_pen = QPen()
self.fixed_pen.setColor(Qt.white)
self.fixed_font = QFont("Helvetica", pointSize=18, weight=QFont.Bold)
self.scribble_font = QFont("Helvetica", pointSize=8)
def paint(self, painter, style, widget=None):
for i in range(9):
for j in range(9):
self._draw_number_cell(i, j, painter)
def boundingRect(self):
return QRectF(-5, -5, self.parent.width+10, self.parent.height+10)
def _draw_number_cell(self, w, h, painter):
val = self.sudoku_grid.get_cell_number(h, w)
if val == 0:
val = ''
else:
status = self.sudoku_grid.get_cell_status(h, w)
if status == sdk.VALID:
painter.setPen(self.default_pen)
painter.setFont(self.default_font)
elif status == sdk.FIXED:
painter.setPen(self.fixed_pen)
painter.setFont(self.fixed_font)
else:
painter.setPen(self.invalid_pen)
painter.setFont(self.invalid_font)
painter.drawText(QRectF(w*self.parent.cell_width, h*self.parent.cell_height,
self.parent.cell_width, self.parent.cell_height), Qt.AlignCenter, str(val))
painter.setPen(self.default_pen)
painter.setFont(self.scribble_font)
radius = 15
for scrib in self.sudoku_grid.scribbles[h, w]:
num = int(scrib)
num_x = radius * np.sin(np.deg2rad(360/10*num)) + w * self.parent.cell_width
num_y = - radius * np.cos(np.deg2rad(360 / 10 * num)) + h * self.parent.cell_height
painter.drawText(QRectF(num_x, num_y, self.parent.cell_width, self.parent.cell_height),
Qt.AlignCenter, scrib)
class SudokuGrid(BaseSudokuItem):
buttonClicked = Signal(float, float, bool)
finishDrawing = Signal()
puzzleFinished = Signal()
def __init__(self, width, height, parent=None):
super().__init__(parent)
self.width = width
self.height = height
self.thick_pen = QPen()
self.thick_pen.setColor(Qt.white)
self.thick_unit = 5
self.thick_pen.setWidth(self.thick_unit)
self.thinlines = []
self.thicklines = []
self.cell_width = self.width / 9
self.cell_height = self.height / 9
for i in range(1, 9):
delta_h = self.cell_height * i
delta_w = self.cell_width * i
if i%3 == 0:
self.thicklines.append(QLineF(0, delta_h, self.width, delta_h))
self.thicklines.append(QLineF(delta_w, 0, delta_w, self.height))
else:
self.thinlines.append(QLineF(0, delta_h, self.width, delta_h))
self.thinlines.append(QLineF(delta_w, 0, delta_w, self.height))
self.sudoku_grid = sdk.SudokuSystem()
self.grid_painter = NumberPainter(self, self.sudoku_grid)
self.mouse_w = 0
self.mouse_h = 0
self.selection_unit = 8
self.selection_pen = QPen()
self.selection_pen.setColor(Qt.white)
self.selection_pen.setWidth(self.selection_unit)
self.selection_box = QRectF(0, 0, self.cell_width, self.cell_height)
self.setAcceptHoverEvents(True)
self.setAcceptedMouseButtons(Qt.LeftButton)
self.setFlag(QGraphicsItem.ItemIsFocusable, True)
self.set_disabled(False)
# Length of the box to be drawn
self.length = 0
# Set up the length to be animated
self.anim = QPropertyAnimation(self, b'length')
self.anim.setDuration(500) # Animation speed
self.anim.setStartValue(0)
for t in range(1, 10):
self.anim.setKeyValueAt(t / 10, self.width * t/10)
self.anim.setEndValue(self.width)
self.scribbling = False
self.drawn = False
self.anim.finished.connect(self.finish_drawing)
def set_disabled(self, state):
if state:
self.setAcceptedMouseButtons(Qt.NoButton)
else:
self.setAcceptedMouseButtons(Qt.LeftButton)
self.setAcceptHoverEvents(not state)
def finish_drawing(self):
if self.length == self.width:
self.drawn = True
self.finishDrawing.emit()
# Toggle the animation to be play forward or backward
def toggle_anim(self, toggling):
if toggling:
self.anim.setDirection(QAbstractAnimation.Forward)
else:
self.anim.setDirection(QAbstractAnimation.Backward)
self.anim.start()
def generate_new_grid(self, difficulty):
self.sudoku_grid.generate_random_board(difficulty)
#self.sudoku_grid.generate_test_board(difficulty) # Uncomment for testing
self.update()
def change_cell_scribbles(self, val):
if val == 0:
self.sudoku_grid.clear_scribble(self.mouse_h, self.mouse_w)
else:
self.sudoku_grid.toggle_scribble(self.mouse_h, self.mouse_w, val)
self.grid_painter.update()
def replace_cell_number(self, val):
self.sudoku_grid.replace_cell_number(self.mouse_h, self.mouse_w, val)
self.grid_painter.update()
if self.sudoku_grid.completion_check():
self.puzzleFinished.emit()
def boundingRect(self):
return QRectF(-5, -5, self.width+10, self.height+10)
# Reimplemented paint
def paint(self, painter, style, widget=None):
painter.setPen(self.default_pen)
for line in self.thinlines:
painter.drawLine(line)
painter.setPen(self.thick_pen)
for line in self.thicklines:
painter.drawLine(line)
if self.drawn:
painter.setPen(self.selection_pen)
painter.drawRect(self.selection_box)
def hoverMoveEvent(self, event):
if not (self.freeze and self.drawn):
box_w = bound_value(0, int(event.pos().x()/self.cell_width), 8)
box_h = bound_value(0, int(event.pos().y() / self.cell_height), 8)
if box_w != self.mouse_w or box_h != self.mouse_h:
self.mouse_w = box_w
self.mouse_h = box_h
self.selection_box.moveTopLeft(QPointF(box_w*self.cell_width, box_h*self.cell_height))
self.update()
def mousePressEvent(self, event):
event.accept()
#if self.drawn:
# w = (self.mouse_w + 0.5) * self.cell_width
# h = (self.mouse_h + 0.5) * self.cell_height
# if not self.sudoku_grid.get_cell_status(self.mouse_h, self.mouse_w) == sdk.FIXED:
# self.buttonClicked.emit(w, h, self.scribbling)
#else:
# self.buttonClicked.emit(0, 0, self.scribbling)
def mouseReleaseEvent(self, event):
if self.drawn:
w = (self.mouse_w + 0.5) * self.cell_width
h = (self.mouse_h + 0.5) * self.cell_height
if not self.sudoku_grid.get_cell_status(self.mouse_h, self.mouse_w) == sdk.FIXED:
self.buttonClicked.emit(w, h, self.scribbling)
else:
self.buttonClicked.emit(0, 0, self.scribbling)
def focusInEvent(self, event):
self.set_disabled(False)
def focusOutEvent(self, event):
self.set_disabled(True)
def keyPressEvent(self, event):
if not event.isAutoRepeat():
if (event.key() == SCRIBBLE_KEY) and not self.scribbling:
self.scribbling = True
def keyReleaseEvent(self, event):
if not event.isAutoRepeat():
if event.key() == SCRIBBLE_KEY and self.scribbling:
self.scribbling = False
# Defining the length to be drawn as a Property
@Property(float)
def length(self):
return self._length
# Determine the length of the four lines to be drawn
@length.setter
def length(self, value):
self._length = value
for lines in self.thinlines:
if lines.x1() == 0:
lines.setP2(QPointF(value, lines.y2()))
else:
lines.setP2(QPointF(lines.x2(), value))
for lines in self.thicklines:
if lines.x1() == 0:
lines.setP2(QPointF(value, lines.y2()))
else:
lines.setP2(QPointF(lines.x2(), value))
self.update()
class NumberRing(BaseSudokuItem):
loseFocus = Signal()
keyPressed = Signal(str, bool)
def __init__(self, parent=None):
super().__init__(parent=parent)
self.setVisible(False)
self.cell_width = 24
self.cell_height = 24
self.cell_buttons = []
for i in range(10):
if i == 0:
cell_string = 'X'
else:
cell_string = str(i)
btn = buttons.RingButton(0, 0, self.cell_width, self.cell_height,
cell_string, parent=self)
btn.buttonClicked.connect(self.send_button_press)
self.cell_buttons.append(btn)
self.radius = 54
# Set up the radius to be animated
self.anim = QPropertyAnimation(self, b'radius')
self.anim.setDuration(100) # Animation speed
self.anim.setStartValue(0)
for t in range(1, 10):
self.anim.setKeyValueAt(t / 10, self.radius * t / 10)
self.anim.setEndValue(self.radius)
self.anim.finished.connect(self.finish_animation)
self.setFlag(QGraphicsItem.ItemIsFocusable, True)
self.setAcceptHoverEvents(True)
self.freeze_buttons(True)
self.scribbling = False
def finish_animation(self):
if self.radius == 0:
self.setVisible(False)
self.freeze_buttons(True)
self.loseFocus.emit()
else:
self.freeze_buttons(False)
if self.isUnderMouse():
self.set_buttons_transparent(False)
else:
self.set_buttons_transparent(True)
# Toggle the animation to be play forward or backward
def toggle_anim(self, toggling):
self.freeze_buttons(True)
if toggling:
self.anim.setDirection(QAbstractAnimation.Forward)
else:
self.anim.setDirection(QAbstractAnimation.Backward)
self.anim.start()
def boundingRect(self):
return QRectF(-5-self.radius-self.cell_width/2, -5-self.radius-self.cell_height/2,
self.cell_width+self.radius*2+10, self.cell_height + self.radius * 2 + 10)
# Reimplemented paint
def paint(self, painter, style, widget=None):
pass
def send_button_press(self, val):
self.keyPressed.emit(val, self.scribbling)
self.close_menu()
def freeze_buttons(self, freeze):
for btn in self.cell_buttons:
btn.set_freeze(freeze)
def focusOutEvent(self, event):
if not any(btn.isUnderMouse() for btn in self.cell_buttons):
self.toggle_anim(False)
else:
self.setFocus()
def mousePressEvent(self, event):
if not any(btn.isUnderMouse() for btn in self.cell_buttons):
self.toggle_anim(False)
else:
self.setFocus()
def close_menu(self):
if not self.scribbling:
self.toggle_anim(False)
def keyPressEvent(self, event):
if not event.isAutoRepeat():
if (event.key() == SCRIBBLE_KEY) and not self.scribbling:
self.scribbling = True
if event.key() == 88:
txt = 'X'
elif 49 <= event.key() <= 57:
txt = str(event.key()-48)
else:
txt = ''
if txt:
self.keyPressed.emit(txt, self.scribbling)
if not self.scribbling:
self.toggle_anim(False)
self.clearFocus()
def keyReleaseEvent(self, event):
if not event.isAutoRepeat():
if event.key() == SCRIBBLE_KEY and self.scribbling:
self.scribbling = False
def hoverEnterEvent(self, event):
self.set_buttons_transparent(False)
def hoverLeaveEvent(self, event):
self.set_buttons_transparent(True)
def set_buttons_transparent(self, state):
for btn in self.cell_buttons:
btn.set_transparent(state)
# Defining the length to be drawn as a Property
@Property(float)
def radius(self):
return self._radius
# Determine the length of the four lines to be drawn
@radius.setter
def radius(self, value):
self._radius = value
for i, btn in enumerate(self.cell_buttons):
cell_x = value * np.sin(np.deg2rad(360/10*i)) - self.cell_width/2
cell_y = - value * np.cos(np.deg2rad(360 / 10 * i)) - self.cell_height/2
btn.setX(cell_x)
btn.setY(cell_y)
self.update()
class PlayMenu(BaseSudokuItem):
buttonClicked = Signal(str)
def __init__(self, parent):
super().__init__(parent=parent)
self.rect = self.parent.boundingRect()
self.diff_select = menu_grap.DifficultyMenu(self.rect.width()/2, self.rect.height()/8, self)
self.diff_select.setX(self.rect.width()/4)
self.diff_select.setY((self.rect.height() - self.diff_select.height)/2)
self.diff_select.menuClicked.connect(self.difficulty_selected)
def paint(self, painter, style, widget=None):
painter.setPen(self.default_pen)
painter.setFont(self.default_font)
painter.drawText(self.rect, Qt.AlignHCenter, 'Select A Difficulty')
def boundingRect(self):
return self.diff_select.boundingRect()
def difficulty_selected(self, string):
self.setVisible(False)
self.buttonClicked.emit(string)