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105 lines
4.0 KiB
105 lines
4.0 KiB
import os |
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from enum import Enum |
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from PyQt5.QtCore import Qt |
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from PyQt5.QtGui import QCursor |
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from PyQt5 import QtWidgets, uic |
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from clusterview.exceptions import handle_exceptions, InvalidModeError |
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from clusterview.mode import Mode |
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from clusterview.mode_handlers import MODE_HANDLER_MAP |
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from clusterview.opengl_widget import (initialize_gl, paint_gl, resize_gl, |
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set_drawing_mode, set_drawing_context) |
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from clusterview_ui import Ui_MainWindow |
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class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow): |
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""" |
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A wrapper class for handling creating a window based |
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on the `clusterview_ui.py` code generated from |
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`clusterview.ui`. |
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""" |
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__mode = Mode.OFF |
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def __init__(self, parent=None): |
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super(MainWindow, self).__init__(parent) |
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self.setupUi(self) |
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# We only need to set the context in our OpenGL state machine |
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# wrapper once here since the window is fixed size. |
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# If we allow resizing of the window, the context must be updated |
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# each resize so that coordinates are converted from screen (x, y) |
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# to OpenGL coordinates properly. |
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set_drawing_context(self.opengl_widget) |
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#----------------------------------------------- |
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# OpenGL Graphics Handlers are set |
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# here and defined in clusterview.opengl_widget. |
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#----------------------------------------------- |
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self.opengl_widget.initializeGL = initialize_gl |
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self.opengl_widget.paintGL = paint_gl |
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self.opengl_widget.resizeGL = resize_gl |
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# ------------------------------------- |
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# UI Handlers |
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# ------------------------------------- |
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self.action_add_points.triggered.connect(self.__add_points) |
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self.action_edit_points.triggered.connect(self.__edit_points) |
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self.action_delete_points.triggered.connect(self.__delete_points) |
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self.action_move_points.triggered.connect(self.__move_points) |
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self.action_solve.triggered.connect(self.__solve_launcher) |
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# Override handler for mouse press so we can draw points based on |
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# the OpenGL coordinate system inside of the OpenGL Widget. |
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self.opengl_widget.mousePressEvent = self.__ogl_click_dispatcher |
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#----------------------------------------------------------------- |
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# Mode changers - these will be used to signal the action in the |
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# OpenGL Widget. |
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#----------------------------------------------------------------- |
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def __add_points(self): |
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self.__mode = Mode.ADD |
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set_drawing_mode(self.__mode) |
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self.opengl_widget.setCursor(QCursor(Qt.CursorShape.CrossCursor)) |
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def __edit_points(self): |
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self.__mode = Mode.EDIT |
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set_drawing_mode(self.__mode) |
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self.opengl_widget.setCursor(QCursor(Qt.CursorShape.CrossCursor)) |
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def __delete_points(self): |
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self.__mode = Mode.DELETE |
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set_drawing_mode(self.__mode) |
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self.opengl_widget.setCursor(QCursor(Qt.CursorShape.PointingHandCursor)) |
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def __move_points(self): |
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self.__mode = Mode.MOVE |
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set_drawing_mode(self.__mode) |
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self.opengl_widget.setCursor(QCursor(Qt.CursorShape.SizeAllCursor)) |
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@handle_exceptions |
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def __solve_launcher(self): |
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""" |
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Launched the solve menu. This function will call into a subclass |
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of the solve dialog widget from the UI. |
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TODO: Write the subclass once you know the parameters for the |
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solve window. |
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""" |
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print("LAUNCHING SOLVE DIALOG...") |
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@handle_exceptions |
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def __ogl_click_dispatcher(self, event): |
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""" |
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Mode dispatcher for click actions on the OpenGL widget. |
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""" |
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if self.__mode is Mode.OFF: |
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raise InvalidModeError(Mode.OFF) |
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# Map from Mode -> function |
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# where the function is a handler for the |
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# OpenGL event. The context passed to these functions allows |
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# them to modify on screen widgets such as the QOpenGLWidget and |
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# QListWidget. |
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MODE_HANDLER_MAP[self.__mode](self, event)
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