calc_hsm.CalcHsm Class Reference
Calc state machine. More...
Inheritance diagram for calc_hsm.CalcHsm:
Public Member Functions | |
| def | __init__ |
| Calc state machine constructor. | |
| def | Zero |
| Clear the textbox input and replace with a '0' string also reset the negative variable. | |
| def | Negate |
| Clear the textbox input and replace with a '-0' string also set the negative variable. | |
| def | append |
| Append a character to the textbox input, if the clear_on_next variable is set then clear the textbox first. | |
| def | calc |
| Calculate the result of a function. | |
| def | on |
| The 'on' state functon. | |
| def | ready |
| The 'ready' state functon. | |
| def | result |
| The 'result' state functon. | |
| def | begin |
| def | negated1 |
| The 'negated1' state functon. | |
| def | operand1 |
| The 'operand1' state functon. | |
| def | zero1 |
| The 'zero1' state functon. | |
| def | int1 |
| The 'int1' state functon. | |
| def | frac1 |
| The 'frac1' state functon. | |
| def | error |
| The 'error' state functon. | |
| def | opEntered |
| The 'opEntered' state functon. | |
| def | negated2 |
| The 'negated2' state functon. | |
| def | operand2 |
| The 'operand2' state functon. | |
| def | zero2 |
| The 'zero2' state functon. | |
| def | int2 |
| The 'int2' state functon. | |
| def | frac2 |
| The 'frac2' state functon. | |
Static Public Attributes | |
| entry = None | |
| The Tkinter text entry widget. | |
| clear_on_next = False | |
| If this flag is set we clear the textbox and replace text with new character on the next signal. | |
| negative = False | |
| If this flag is set the current operand will be negative. | |
Detailed Description
Calc state machine.Member Function Documentation
| def calc_hsm.CalcHsm.__init__ | ( | self, | ||
| entry | ||||
| ) |
Calc state machine constructor.
- Parameters:
-
entry TheTkinter text entry widget that the calc state machine will use
| def calc_hsm.CalcHsm.append | ( | self, | ||
| c | ||||
| ) |
Append a character to the textbox input, if the clear_on_next variable is set then clear the textbox first.
- Parameters:
-
c The character to insert
| def calc_hsm.CalcHsm.begin | ( | self, | ||
| state_event | ||||
| ) |
| def calc_hsm.CalcHsm.calc | ( | self, | ||
| operand1, | ||||
| operand2, | ||||
| operator_ | ||||
| ) |
Calculate the result of a function.
- Parameters:
-
operand1 The first operand operand2 The second operand operator_ The operator (+, -, *, /) to use
- Returns:
- The result of the function
| def calc_hsm.CalcHsm.error | ( | self, | ||
| state_event | ||||
| ) |
The 'error' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- on() (the parent state)
| def calc_hsm.CalcHsm.frac1 | ( | self, | ||
| state_event | ||||
| ) |
The 'frac1' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise operand1() (the parent state)
| def calc_hsm.CalcHsm.frac2 | ( | self, | ||
| state_event | ||||
| ) |
The 'frac2' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise operand2() (the parent state)
| def calc_hsm.CalcHsm.int1 | ( | self, | ||
| state_event | ||||
| ) |
The 'int1' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise operand1() (the parent state)
| def calc_hsm.CalcHsm.int2 | ( | self, | ||
| state_event | ||||
| ) |
The 'int2' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise operand2() (the parent state)
| def calc_hsm.CalcHsm.Negate | ( | self | ) |
Clear the textbox input and replace with a '-0' string also set the negative variable.
| def calc_hsm.CalcHsm.negated1 | ( | self, | ||
| state_event | ||||
| ) |
The 'negated1' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise on() (the parent state)
| def calc_hsm.CalcHsm.negated2 | ( | self, | ||
| state_event | ||||
| ) |
The 'negated2' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise on() (the parent state)
| def calc_hsm.CalcHsm.on | ( | self, | ||
| state_event | ||||
| ) |
The 'on' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- Always NULL as this is the top level state function
| def calc_hsm.CalcHsm.opEntered | ( | self, | ||
| state_event | ||||
| ) |
The 'opEntered' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise on() (the parent state)
| def calc_hsm.CalcHsm.operand1 | ( | self, | ||
| state_event | ||||
| ) |
The 'operand1' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise on() (the parent state)
| def calc_hsm.CalcHsm.operand2 | ( | self, | ||
| state_event | ||||
| ) |
The 'operand2' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise on() (the parent state)
| def calc_hsm.CalcHsm.ready | ( | self, | ||
| state_event | ||||
| ) |
The 'ready' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise on() (the parent state)
| def calc_hsm.CalcHsm.result | ( | self, | ||
| state_event | ||||
| ) |
The 'result' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- ready() (the parent state)
| def calc_hsm.CalcHsm.Zero | ( | self | ) |
Clear the textbox input and replace with a '0' string also reset the negative variable.
| def calc_hsm.CalcHsm.zero1 | ( | self, | ||
| state_event | ||||
| ) |
The 'zero1' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise operand1() (the parent state)
| def calc_hsm.CalcHsm.zero2 | ( | self, | ||
| state_event | ||||
| ) |
The 'zero2' state functon.
- Parameters:
-
signal The signal to handle param The accompaning parameter
- Returns:
- NULL if the signal is handled otherwise operand2() (the parent state)
Member Data Documentation
calc_hsm.CalcHsm.clear_on_next = False [static] |
If this flag is set we clear the textbox and replace text with new character on the next signal.
calc_hsm.CalcHsm.entry = None [static] |
The Tkinter text entry widget.
calc_hsm.CalcHsm.negative = False [static] |
If this flag is set the current operand will be negative.
The documentation for this class was generated from the following file:
