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https://git.lyx.org/repos/lyx.git
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8c3e90ef67
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@24337 a592a061-630c-0410-9148-cb99ea01b6c8
653 lines
20 KiB
C++
653 lines
20 KiB
C++
/**
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* \file ButtonPolicy.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Allan Rae
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "ButtonPolicy.h"
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#include "support/debug.h"
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#include <iostream>
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#include <vector>
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using namespace std;
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namespace lyx {
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namespace frontend {
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static char const * printState(ButtonPolicy::State const & state)
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{
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switch (state) {
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case ButtonPolicy::INITIAL:
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return "INITIAL";
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case ButtonPolicy::VALID:
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return "VALID";
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case ButtonPolicy::INVALID:
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return "INVALID";
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case ButtonPolicy::APPLIED:
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return "APPLIED";
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case ButtonPolicy::RO_INITIAL:
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return "RO_INITIAL";
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case ButtonPolicy::RO_VALID:
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return "RO_VALID";
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case ButtonPolicy::RO_INVALID:
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return "RO_INVALID";
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case ButtonPolicy::RO_APPLIED:
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return "RO_APPLIED";
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case ButtonPolicy::BOGUS:
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return "BOGUS";
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default:
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return "";
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}
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}
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static char const * printInput(ButtonPolicy::SMInput const & input)
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{
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switch (input) {
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case ButtonPolicy::SMI_VALID:
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return "SMI_VALID";
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case ButtonPolicy::SMI_INVALID:
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return "SMI_INVALID";
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case ButtonPolicy::SMI_OKAY:
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return "SMI_OKAY";
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case ButtonPolicy::SMI_APPLY:
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return "SMI_APPLY";
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case ButtonPolicy::SMI_CANCEL:
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return "SMI_CANCEL";
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case ButtonPolicy::SMI_RESTORE:
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return "SMI_RESTORE";
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case ButtonPolicy::SMI_HIDE:
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return "SMI_HIDE";
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case ButtonPolicy::SMI_READ_ONLY:
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return "SMI_READ_ONLY";
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case ButtonPolicy::SMI_READ_WRITE:
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return "SMI_READ_WRITE";
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case ButtonPolicy::SMI_NOOP:
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return "SMI_NOOP";
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case ButtonPolicy::SMI_TOTAL:
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return "SMI_TOTAL";
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default:
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return "";
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}
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}
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char const * functionName(ButtonPolicy::Policy policy)
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{
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switch (policy) {
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case ButtonPolicy::PreferencesPolicy:
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return "PreferencesPolicy";
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case ButtonPolicy::OkCancelPolicy:
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return "OkCancelPolicy";
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case ButtonPolicy::OkCancelReadOnlyPolicy:
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return "OkCancelReadOnlyPolicy";
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case ButtonPolicy::OkApplyCancelPolicy:
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return "OkApplyCancelPolicy";
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case ButtonPolicy::OkApplyCancelReadOnlyPolicy:
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return "OkApplyCancelReadOnlyPolicy";
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case ButtonPolicy::NoRepeatedApplyPolicy:
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return "NoRepeatedApplyPolicy";
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case ButtonPolicy::NoRepeatedApplyReadOnlyPolicy:
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return "NoRepeatedApplyReadOnlyPolicy";
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case ButtonPolicy::IgnorantPolicy:
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return "IgnorantPolicy";
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default:
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return "Unknown policy";
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}
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}
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ostream & operator<<(ostream & os, ButtonPolicy::State st)
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{
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return os << int(st);
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}
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ostream & operator<<(ostream & os, ButtonPolicy::SMInput smi)
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{
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return os << int(smi);
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}
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/////////////////////////////////////////////////////////////////////////
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//
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// ButtonPolicy::Private
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//
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/////////////////////////////////////////////////////////////////////////
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class ButtonPolicy::Private
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{
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public:
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typedef ButtonPolicy::SMInput SMInput;
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typedef ButtonPolicy::Policy Policy;
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typedef ButtonPolicy::State State;
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Private(Policy policy);
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void nextState(SMInput input);
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void initOkCancel();
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void initOkCancelReadOnly();
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void initNoRepeatedApplyReadOnly();
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void initOkApplyCancelReadOnly();
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void initOkApplyCancel();
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void initNoRepeatedApply();
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void initPreferences();
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public:
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///
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Policy policy_;
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/// Transition map of the state machine.
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typedef std::vector<State> StateArray;
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///
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typedef std::vector<StateArray> StateMachine;
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/// The state outputs are the status of the buttons.
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typedef std::vector<int> StateOutputs;
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/// Current state.
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State state_;
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/// Which buttons are active for a given state.
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StateOutputs outputs_;
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///
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StateMachine state_machine_;
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};
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ButtonPolicy::Private::Private(Policy policy)
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{
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policy_ = policy;
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state_ = INITIAL;
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switch (policy_) {
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case OkCancelPolicy:
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initOkCancel();
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break;
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case OkCancelReadOnlyPolicy:
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initOkCancelReadOnly();
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break;
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case OkApplyCancelPolicy:
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initOkApplyCancel();
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break;
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case OkApplyCancelReadOnlyPolicy:
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initOkApplyCancelReadOnly();
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break;
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case NoRepeatedApplyPolicy:
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initNoRepeatedApply();
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break;
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case NoRepeatedApplyReadOnlyPolicy:
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initNoRepeatedApplyReadOnly();
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break;
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case PreferencesPolicy:
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initPreferences();
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break;
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case IgnorantPolicy:
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break;
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}
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}
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void ButtonPolicy::Private::nextState(SMInput input)
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{
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if (SMI_NOOP == input)
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return;
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State tmp = state_machine_[state_][input];
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LYXERR(Debug::GUI, "Transition from state "
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<< printState(state_) << " to state "
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<< printState(tmp) << " after input "
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<< printInput(input));
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if (tmp != BOGUS) {
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state_ = tmp;
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} else {
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LYXERR0(functionName(policy_) << ": No transition for input "
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<< printInput(input) << " from state " << printState(state_));
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}
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}
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void ButtonPolicy::Private::initPreferences()
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{
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outputs_ = StateOutputs(APPLIED + 1, ButtonPolicy::ALL_BUTTONS);
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state_machine_ = StateMachine(APPLIED + 1,
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StateArray(int(SMI_TOTAL), ButtonPolicy::BOGUS));
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// Build the state output map
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outputs_[INITIAL] = CLOSE;
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outputs_[VALID] = RESTORE | OKAY | APPLY | CANCEL;
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outputs_[INVALID] = RESTORE | CANCEL;
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outputs_[APPLIED] = OKAY | CLOSE;
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// Build the state machine one state at a time
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// NOTE: Since CANCEL and HIDE always go to INITIAL they are
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// left out of the state machine and handled explicitly
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// in input(). This won't necessarily be true for all
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// policies though so I'll leave those two as distinct
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// inputs rather than merge them. For example, a dialog
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// that doesn't update it's input fields when reshown
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// after being hidden needs a policy where CANCEL and
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// HIDE are treated differently.
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//
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// State::INITIAL
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state_machine_[INITIAL][SMI_READ_ONLY] = INITIAL;
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state_machine_[INITIAL][SMI_READ_WRITE] = INITIAL;
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state_machine_[INITIAL][SMI_VALID] = VALID;
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state_machine_[INITIAL][SMI_INVALID] = INVALID;
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// State::VALID
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state_machine_[VALID][SMI_VALID] = VALID;
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state_machine_[VALID][SMI_READ_ONLY] = VALID;
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state_machine_[VALID][SMI_READ_WRITE] = VALID;
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state_machine_[VALID][SMI_INVALID] = INVALID;
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state_machine_[VALID][SMI_APPLY] = APPLIED;
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state_machine_[VALID][SMI_OKAY] = INITIAL;
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state_machine_[VALID][SMI_RESTORE] = INITIAL;
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// State::INVALID
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state_machine_[INVALID][SMI_VALID] = VALID;
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state_machine_[INVALID][SMI_INVALID] = INVALID;
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state_machine_[INVALID][SMI_READ_ONLY] = INVALID;
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state_machine_[INVALID][SMI_READ_WRITE] = INVALID;
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state_machine_[INVALID][SMI_RESTORE] = INITIAL;
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// State::APPLIED
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state_machine_[APPLIED][SMI_VALID] = VALID;
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state_machine_[APPLIED][SMI_INVALID] = INVALID;
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state_machine_[APPLIED][SMI_OKAY] = INITIAL;
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state_machine_[APPLIED][SMI_READ_ONLY] = APPLIED;
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state_machine_[APPLIED][SMI_READ_WRITE] = APPLIED;
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}
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void ButtonPolicy::Private::initOkCancel()
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{
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outputs_ = StateOutputs(INVALID + 1, ButtonPolicy::ALL_BUTTONS);
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state_machine_ = StateMachine(INVALID + 1,
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StateArray(int(SMI_TOTAL), ButtonPolicy::BOGUS));
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// Build the state output map
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outputs_[INITIAL] = CLOSE;
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outputs_[VALID] = RESTORE | OKAY | CANCEL;
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outputs_[INVALID] = RESTORE | CANCEL;
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// Build the state machine one state at a time
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// NOTE: Since CANCEL and HIDE always go to INITIAL they are
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// left out of the state machine and handled explicitly
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// in input()
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//
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// State::INITIAL
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state_machine_[INITIAL][SMI_READ_ONLY] = INITIAL;
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state_machine_[INITIAL][SMI_READ_WRITE] = INITIAL;
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state_machine_[INITIAL][SMI_VALID] = VALID;
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state_machine_[INITIAL][SMI_INVALID] = INVALID;
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// State::VALID
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state_machine_[VALID][SMI_VALID] = VALID;
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state_machine_[VALID][SMI_READ_ONLY] = VALID;
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state_machine_[VALID][SMI_READ_WRITE] = VALID;
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state_machine_[VALID][SMI_INVALID] = INVALID;
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state_machine_[VALID][SMI_OKAY] = INITIAL;
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state_machine_[VALID][SMI_RESTORE] = INITIAL;
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// State::INVALID
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state_machine_[INVALID][SMI_VALID] = VALID;
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state_machine_[INVALID][SMI_INVALID] = INVALID;
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state_machine_[INVALID][SMI_READ_ONLY] = INVALID;
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state_machine_[INVALID][SMI_READ_WRITE] = INVALID;
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state_machine_[INVALID][SMI_RESTORE] = INITIAL;
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}
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void ButtonPolicy::Private::initOkCancelReadOnly()
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{
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outputs_ = StateOutputs(RO_INVALID + 1, ButtonPolicy::ALL_BUTTONS);
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state_machine_ = StateMachine(RO_INVALID + 1,
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StateArray(int(SMI_TOTAL), ButtonPolicy::BOGUS));
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// Build the state output map
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outputs_[INITIAL] = CLOSE;
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outputs_[VALID] = RESTORE | OKAY | CANCEL;
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outputs_[INVALID] = RESTORE | CANCEL;
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outputs_[RO_INITIAL] = CLOSE;
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outputs_[RO_VALID] = RESTORE | CANCEL;
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outputs_[RO_INVALID] = RESTORE | CANCEL;
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// Build the state machine one state at a time
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// NOTE: Since CANCEL and HIDE always go to INITIAL they are
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// left out of the state machine and handled explicitly
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// in input()
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//
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// State::INITIAL
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state_machine_[INITIAL][SMI_READ_WRITE] = INITIAL;
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state_machine_[INITIAL][SMI_VALID] = VALID;
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state_machine_[INITIAL][SMI_INVALID] = INVALID;
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state_machine_[INITIAL][SMI_READ_ONLY] = RO_INITIAL;
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// State::VALID
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state_machine_[VALID][SMI_VALID] = VALID;
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state_machine_[VALID][SMI_READ_WRITE] = VALID;
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state_machine_[VALID][SMI_INVALID] = INVALID;
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state_machine_[VALID][SMI_OKAY] = INITIAL;
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state_machine_[VALID][SMI_RESTORE] = INITIAL;
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state_machine_[VALID][SMI_READ_ONLY] = RO_VALID;
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// State::INVALID
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state_machine_[INVALID][SMI_INVALID] = INVALID;
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state_machine_[INVALID][SMI_READ_WRITE] = INVALID;
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state_machine_[INVALID][SMI_VALID] = VALID;
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state_machine_[INVALID][SMI_RESTORE] = INITIAL;
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state_machine_[INVALID][SMI_READ_ONLY] = RO_INVALID;
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// State::RO_INITIAL
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state_machine_[RO_INITIAL][SMI_READ_ONLY] = RO_INITIAL;
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state_machine_[RO_INITIAL][SMI_VALID] = RO_VALID;
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state_machine_[RO_INITIAL][SMI_INVALID] = RO_INVALID;
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state_machine_[RO_INITIAL][SMI_READ_WRITE] = INITIAL;
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// State::RO_VALID
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state_machine_[RO_VALID][SMI_VALID] = RO_VALID;
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state_machine_[RO_VALID][SMI_READ_ONLY] = RO_VALID;
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state_machine_[RO_VALID][SMI_INVALID] = RO_INVALID;
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state_machine_[RO_VALID][SMI_READ_WRITE] = VALID;
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state_machine_[RO_VALID][SMI_RESTORE] = RO_INITIAL;
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// State::RO_INVALID
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state_machine_[RO_INVALID][SMI_READ_ONLY] = RO_INVALID;
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state_machine_[RO_INVALID][SMI_INVALID] = RO_INVALID;
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state_machine_[RO_INVALID][SMI_VALID] = RO_VALID;
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state_machine_[RO_INVALID][SMI_READ_WRITE] = INVALID;
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state_machine_[RO_INVALID][SMI_RESTORE] = RO_INITIAL;
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}
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void ButtonPolicy::Private::initNoRepeatedApplyReadOnly()
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{
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outputs_ = StateOutputs(RO_INVALID + 1, ButtonPolicy::ALL_BUTTONS);
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state_machine_ = StateMachine(RO_INVALID + 1,
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StateArray(int(SMI_TOTAL), ButtonPolicy::BOGUS));
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// Build the state output map
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outputs_[INITIAL] = CLOSE;
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outputs_[VALID] = RESTORE | OKAY | APPLY | CANCEL;
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outputs_[INVALID] = RESTORE | CANCEL;
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outputs_[RO_INITIAL] = CLOSE;
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outputs_[RO_VALID] = RESTORE | CANCEL;
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outputs_[RO_INVALID] = RESTORE | CANCEL;
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// Build the state machine one state at a time
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// NOTE: Since CANCEL and HIDE always go to INITIAL they are
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// left out of the state machine and handled explicitly
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// in input()
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//
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// State::INITIAL
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state_machine_[INITIAL][SMI_READ_WRITE] = INITIAL;
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state_machine_[INITIAL][SMI_VALID] = VALID;
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state_machine_[INITIAL][SMI_INVALID] = INVALID;
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state_machine_[INITIAL][SMI_READ_ONLY] = RO_INITIAL;
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// State::VALID
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state_machine_[VALID][SMI_VALID] = VALID;
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state_machine_[VALID][SMI_READ_WRITE] = VALID;
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state_machine_[VALID][SMI_INVALID] = INVALID;
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state_machine_[VALID][SMI_OKAY] = INITIAL;
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state_machine_[VALID][SMI_APPLY] = INITIAL;
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state_machine_[VALID][SMI_RESTORE] = INITIAL;
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state_machine_[VALID][SMI_READ_ONLY] = RO_VALID;
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// State::INVALID
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state_machine_[INVALID][SMI_INVALID] = INVALID;
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state_machine_[INVALID][SMI_READ_WRITE] = INVALID;
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state_machine_[INVALID][SMI_VALID] = VALID;
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state_machine_[INVALID][SMI_OKAY] = INITIAL;
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state_machine_[INVALID][SMI_APPLY] = INITIAL;
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state_machine_[INVALID][SMI_RESTORE] = INITIAL;
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state_machine_[INVALID][SMI_READ_ONLY] = RO_INVALID;
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// State::RO_INITIAL
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state_machine_[RO_INITIAL][SMI_READ_ONLY] = RO_INITIAL;
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state_machine_[RO_INITIAL][SMI_VALID] = RO_VALID;
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state_machine_[RO_INITIAL][SMI_INVALID] = RO_INVALID;
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state_machine_[RO_INITIAL][SMI_READ_WRITE] = INITIAL;
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// State::RO_VALID
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state_machine_[RO_VALID][SMI_VALID] = RO_VALID;
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state_machine_[RO_VALID][SMI_READ_ONLY] = RO_VALID;
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state_machine_[RO_VALID][SMI_INVALID] = RO_INVALID;
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state_machine_[RO_VALID][SMI_READ_WRITE] = VALID;
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state_machine_[RO_VALID][SMI_RESTORE] = RO_INITIAL;
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// State::RO_INVALID
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state_machine_[RO_INVALID][SMI_INVALID] = RO_INVALID;
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state_machine_[RO_INVALID][SMI_READ_ONLY] = RO_INVALID;
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state_machine_[RO_INVALID][SMI_VALID] = RO_VALID;
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state_machine_[RO_INVALID][SMI_READ_WRITE] = INVALID;
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state_machine_[RO_INVALID][SMI_RESTORE] = RO_INITIAL;
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}
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void ButtonPolicy::Private::initOkApplyCancelReadOnly()
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{
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outputs_ = StateOutputs(RO_APPLIED + 1, ButtonPolicy::ALL_BUTTONS);
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state_machine_ = StateMachine(RO_APPLIED + 1,
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StateArray(int(SMI_TOTAL), ButtonPolicy::BOGUS));
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// Build the state output map
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outputs_[INITIAL] = CLOSE;
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outputs_[VALID] = RESTORE | OKAY | APPLY | CANCEL;
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outputs_[INVALID] = RESTORE | CANCEL;
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outputs_[APPLIED] = OKAY | APPLY | CLOSE;
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outputs_[RO_INITIAL] = CLOSE;
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outputs_[RO_VALID] = RESTORE | CANCEL;
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outputs_[RO_INVALID] = RESTORE | CANCEL;
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outputs_[RO_APPLIED] = CLOSE;
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// Build the state machine one state at a time
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// NOTE: Since CANCEL and HIDE always go to INITIAL they are
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// left out of the state machine and handled explicitly
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// in input()
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//
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// State::INITIAL
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state_machine_[INITIAL][SMI_READ_WRITE] = INITIAL;
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state_machine_[INITIAL][SMI_VALID] = VALID;
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state_machine_[INITIAL][SMI_INVALID] = INVALID;
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state_machine_[INITIAL][SMI_READ_ONLY] = RO_INITIAL;
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// State::VALID
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state_machine_[VALID][SMI_VALID] = VALID;
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state_machine_[VALID][SMI_READ_WRITE] = VALID;
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state_machine_[VALID][SMI_INVALID] = INVALID;
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state_machine_[VALID][SMI_OKAY] = INITIAL;
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state_machine_[VALID][SMI_RESTORE] = INITIAL;
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state_machine_[VALID][SMI_APPLY] = APPLIED;
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state_machine_[VALID][SMI_READ_ONLY] = RO_VALID;
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// State::INVALID
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state_machine_[INVALID][SMI_INVALID] = INVALID;
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state_machine_[INVALID][SMI_READ_WRITE] = INVALID;
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state_machine_[INVALID][SMI_VALID] = VALID;
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state_machine_[INVALID][SMI_RESTORE] = INITIAL;
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state_machine_[INVALID][SMI_READ_ONLY] = RO_INVALID;
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// State::APPLIED
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state_machine_[APPLIED][SMI_APPLY] = APPLIED;
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state_machine_[APPLIED][SMI_READ_WRITE] = APPLIED;
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state_machine_[APPLIED][SMI_VALID] = VALID;
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state_machine_[APPLIED][SMI_INVALID] = INVALID;
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state_machine_[APPLIED][SMI_OKAY] = INITIAL;
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state_machine_[APPLIED][SMI_READ_ONLY] = RO_APPLIED;
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// State::RO_INITIAL
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state_machine_[RO_INITIAL][SMI_READ_ONLY] = RO_INITIAL;
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state_machine_[RO_INITIAL][SMI_VALID] = RO_VALID;
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|
state_machine_[RO_INITIAL][SMI_INVALID] = RO_INVALID;
|
|
state_machine_[RO_INITIAL][SMI_READ_WRITE] = INITIAL;
|
|
// State::RO_VALID
|
|
state_machine_[RO_VALID][SMI_VALID] = RO_VALID;
|
|
state_machine_[RO_VALID][SMI_READ_ONLY] = RO_VALID;
|
|
state_machine_[RO_VALID][SMI_INVALID] = RO_INVALID;
|
|
state_machine_[RO_VALID][SMI_READ_WRITE] = VALID;
|
|
state_machine_[RO_VALID][SMI_RESTORE] = RO_INITIAL;
|
|
// State::RO_INVALID
|
|
state_machine_[RO_INVALID][SMI_INVALID] = RO_INVALID;
|
|
state_machine_[RO_INVALID][SMI_READ_ONLY] = RO_INVALID;
|
|
state_machine_[RO_INVALID][SMI_VALID] = RO_VALID;
|
|
state_machine_[RO_INVALID][SMI_READ_WRITE] = INVALID;
|
|
state_machine_[RO_INVALID][SMI_RESTORE] = RO_INITIAL;
|
|
// State::RO_APPLIED
|
|
state_machine_[RO_APPLIED][SMI_READ_ONLY] = RO_APPLIED;
|
|
state_machine_[RO_APPLIED][SMI_INVALID] = RO_INVALID;
|
|
state_machine_[RO_APPLIED][SMI_VALID] = RO_VALID;
|
|
state_machine_[RO_APPLIED][SMI_READ_WRITE] = APPLIED;
|
|
}
|
|
|
|
|
|
void ButtonPolicy::Private::initOkApplyCancel()
|
|
{
|
|
outputs_ = StateOutputs(APPLIED + 1, ButtonPolicy::ALL_BUTTONS);
|
|
state_machine_ = StateMachine(APPLIED + 1,
|
|
StateArray(int(SMI_TOTAL), ButtonPolicy::BOGUS));
|
|
|
|
// Build the state output map
|
|
outputs_[INITIAL] = CLOSE;
|
|
outputs_[VALID] = RESTORE | OKAY | APPLY | CANCEL;
|
|
outputs_[INVALID] = RESTORE | CANCEL;
|
|
outputs_[APPLIED] = OKAY | APPLY | CLOSE;
|
|
|
|
// Build the state machine one state at a time
|
|
// NOTE: Since CANCEL and HIDE always go to INITIAL they are
|
|
// left out of the state machine and handled explicitly
|
|
// in input()
|
|
//
|
|
// State::INITIAL
|
|
state_machine_[INITIAL][SMI_READ_ONLY] = INITIAL;
|
|
state_machine_[INITIAL][SMI_READ_WRITE] = INITIAL;
|
|
state_machine_[INITIAL][SMI_VALID] = VALID;
|
|
state_machine_[INITIAL][SMI_INVALID] = INVALID;
|
|
// State::VALID
|
|
state_machine_[VALID][SMI_VALID] = VALID;
|
|
state_machine_[VALID][SMI_READ_ONLY] = VALID;
|
|
state_machine_[VALID][SMI_READ_WRITE] = VALID;
|
|
state_machine_[VALID][SMI_INVALID] = INVALID;
|
|
state_machine_[VALID][SMI_OKAY] = INITIAL;
|
|
state_machine_[VALID][SMI_RESTORE] = INITIAL;
|
|
state_machine_[VALID][SMI_APPLY] = APPLIED;
|
|
// State::INVALID
|
|
state_machine_[INVALID][SMI_INVALID] = INVALID;
|
|
state_machine_[INVALID][SMI_READ_ONLY] = INVALID;
|
|
state_machine_[INVALID][SMI_READ_WRITE] = INVALID;
|
|
state_machine_[INVALID][SMI_VALID] = VALID;
|
|
state_machine_[INVALID][SMI_RESTORE] = INITIAL;
|
|
// State::APPLIED
|
|
state_machine_[APPLIED][SMI_APPLY] = APPLIED;
|
|
state_machine_[APPLIED][SMI_READ_ONLY] = APPLIED;
|
|
state_machine_[APPLIED][SMI_READ_WRITE] = APPLIED;
|
|
state_machine_[APPLIED][SMI_VALID] = VALID;
|
|
state_machine_[APPLIED][SMI_INVALID] = INVALID;
|
|
state_machine_[APPLIED][SMI_OKAY] = INITIAL;
|
|
}
|
|
|
|
|
|
void ButtonPolicy::Private::initNoRepeatedApply()
|
|
{
|
|
outputs_ = StateOutputs(INVALID + 1, ButtonPolicy::ALL_BUTTONS);
|
|
state_machine_ = StateMachine(INVALID + 1,
|
|
StateArray(int(SMI_TOTAL), ButtonPolicy::BOGUS));
|
|
|
|
// Build the state output map
|
|
outputs_[INITIAL] = CLOSE;
|
|
outputs_[VALID] = RESTORE | OKAY | APPLY | CANCEL;
|
|
outputs_[INVALID] = RESTORE | CANCEL;
|
|
|
|
// Build the state machine one state at a time
|
|
// NOTE: Since CANCEL and HIDE always go to INITIAL they are
|
|
// left out of the state machine and handled explicitly
|
|
// in input()
|
|
//
|
|
// State::INITIAL
|
|
state_machine_[INITIAL][SMI_READ_ONLY] = INITIAL;
|
|
state_machine_[INITIAL][SMI_READ_WRITE] = INITIAL;
|
|
state_machine_[INITIAL][SMI_VALID] = VALID;
|
|
state_machine_[INITIAL][SMI_INVALID] = INVALID;
|
|
// State::VALID
|
|
state_machine_[VALID][SMI_VALID] = VALID;
|
|
state_machine_[VALID][SMI_READ_ONLY] = VALID;
|
|
state_machine_[VALID][SMI_READ_WRITE] = VALID;
|
|
state_machine_[VALID][SMI_INVALID] = INVALID;
|
|
state_machine_[VALID][SMI_OKAY] = INITIAL;
|
|
state_machine_[VALID][SMI_APPLY] = INITIAL;
|
|
state_machine_[VALID][SMI_RESTORE] = INITIAL;
|
|
// State::INVALID
|
|
state_machine_[INVALID][SMI_INVALID] = INVALID;
|
|
state_machine_[INVALID][SMI_READ_ONLY] = INVALID;
|
|
state_machine_[INVALID][SMI_READ_WRITE] = INVALID;
|
|
state_machine_[INVALID][SMI_VALID] = VALID;
|
|
state_machine_[INVALID][SMI_RESTORE] = INITIAL;
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// ButtonPolicy
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////
|
|
|
|
ButtonPolicy::ButtonPolicy(Policy policy)
|
|
: d(new Private(policy))
|
|
{}
|
|
|
|
|
|
ButtonPolicy::~ButtonPolicy()
|
|
{
|
|
delete d;
|
|
}
|
|
|
|
|
|
void ButtonPolicy::setPolicy(Policy policy)
|
|
{
|
|
*d = Private(policy);
|
|
}
|
|
|
|
|
|
void ButtonPolicy::input(SMInput input)
|
|
{
|
|
switch (d->policy_) {
|
|
case PreferencesPolicy:
|
|
// The APPLIED state is persistent. Next time the dialog is opened,
|
|
// the user will be able to press 'Save'.
|
|
if (SMI_CANCEL == input || SMI_HIDE == input) {
|
|
if (d->state_ != APPLIED)
|
|
d->state_ = INITIAL;
|
|
} else {
|
|
d->nextState(input);
|
|
}
|
|
break;
|
|
case IgnorantPolicy:
|
|
break;
|
|
default:
|
|
// CANCEL and HIDE always take us to INITIAL for all cases
|
|
if (SMI_CANCEL == input || SMI_HIDE == input)
|
|
d->state_ = INITIAL;
|
|
else
|
|
d->nextState(input);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
bool ButtonPolicy::buttonStatus(Button button) const
|
|
{
|
|
return d->policy_ == IgnorantPolicy || (button & d->outputs_[d->state_]);
|
|
}
|
|
|
|
|
|
bool ButtonPolicy::isReadOnly() const
|
|
{
|
|
switch (d->policy_) {
|
|
case NoRepeatedApplyReadOnlyPolicy:
|
|
case OkCancelReadOnlyPolicy:
|
|
case OkApplyCancelReadOnlyPolicy:
|
|
return RO_INITIAL == d->state_
|
|
|| RO_VALID == d->state_
|
|
|| RO_INVALID == d->state_
|
|
|| RO_APPLIED == d->state_;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
} // namespace frontend
|
|
} // namespace lyx
|