comparison: src/history.cc
src/history.cc
- changeset 557
- 04e140bdeb0b
- child 560
- 39085791128f
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| 556:5f4395ec5db0 | 557:04e140bdeb0b |
|---|---|
| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013 Santeri Piippo | |
| 4 * | |
| 5 * This program is free software: you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License as published by | |
| 7 * the Free Software Foundation, either version 3 of the License, or | |
| 8 * (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 * GNU General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 */ | |
| 18 | |
| 19 #include "history.h" | |
| 20 #include "ldtypes.h" | |
| 21 #include "document.h" | |
| 22 #include "misc.h" | |
| 23 #include "gui.h" | |
| 24 #include "gldraw.h" | |
| 25 | |
| 26 bool g_fullRefresh = false; | |
| 27 | |
| 28 // ============================================================================= | |
| 29 // ----------------------------------------------------------------------------- | |
| 30 History::History() : | |
| 31 m_Position (-1) {} | |
| 32 | |
| 33 // ============================================================================= | |
| 34 // ----------------------------------------------------------------------------- | |
| 35 void History::undo() | |
| 36 { if (m_changesets.isEmpty() || getPosition() == -1) | |
| 37 return; | |
| 38 | |
| 39 const Changeset& set = getChangeset (getPosition()); | |
| 40 g_fullRefresh = false; | |
| 41 | |
| 42 // Iterate the list in reverse and undo all actions | |
| 43 for (auto it = set.end() - 1; it != set.begin(); --it) | |
| 44 (*it)->undo(); | |
| 45 | |
| 46 decreasePosition(); | |
| 47 | |
| 48 if (!g_fullRefresh) | |
| 49 g_win->refresh(); | |
| 50 else | |
| 51 g_win->doFullRefresh(); | |
| 52 | |
| 53 g_win->updateActions(); | |
| 54 } | |
| 55 | |
| 56 // ============================================================================= | |
| 57 // ----------------------------------------------------------------------------- | |
| 58 void History::redo() | |
| 59 { if (getPosition() == (long) m_changesets.size()) | |
| 60 return; | |
| 61 | |
| 62 const Changeset& set = getChangeset (getPosition() + 1); | |
| 63 g_fullRefresh = false; | |
| 64 | |
| 65 // Redo things - in the order as they were done in the first place | |
| 66 for (const AbstractHistoryEntry* change : set) | |
| 67 change->redo(); | |
| 68 | |
| 69 setPosition (getPosition() + 1); | |
| 70 | |
| 71 if (!g_fullRefresh) | |
| 72 g_win->refresh(); | |
| 73 else | |
| 74 g_win->doFullRefresh(); | |
| 75 | |
| 76 g_win->updateActions(); | |
| 77 } | |
| 78 | |
| 79 // ============================================================================= | |
| 80 // ----------------------------------------------------------------------------- | |
| 81 void History::clear() | |
| 82 { for (Changeset set : m_changesets) | |
| 83 for (AbstractHistoryEntry* change : set) | |
| 84 delete change; | |
| 85 | |
| 86 m_changesets.clear(); | |
| 87 } | |
| 88 | |
| 89 // ============================================================================= | |
| 90 // ----------------------------------------------------------------------------- | |
| 91 void History::addStep() | |
| 92 { if (m_currentChangeset.isEmpty()) | |
| 93 return; | |
| 94 | |
| 95 while (getPosition() < getSize() - 1) | |
| 96 m_changesets.removeLast(); | |
| 97 | |
| 98 m_changesets << m_currentChangeset; | |
| 99 m_currentChangeset.clear(); | |
| 100 setPosition (getPosition() + 1); | |
| 101 g_win->updateActions(); | |
| 102 } | |
| 103 | |
| 104 // ============================================================================= | |
| 105 // ----------------------------------------------------------------------------- | |
| 106 void History::add (AbstractHistoryEntry* entry) | |
| 107 { if (isIgnoring()) | |
| 108 { delete entry; | |
| 109 return; | |
| 110 } | |
| 111 | |
| 112 entry->setParent (this); | |
| 113 m_currentChangeset << entry; | |
| 114 } | |
| 115 | |
| 116 // ============================================================================= | |
| 117 // ----------------------------------------------------------------------------- | |
| 118 void AddHistory::undo() const | |
| 119 { LDDocument* f = getParent()->getFile(); | |
| 120 LDObject* obj = f->getObject (getIndex()); | |
| 121 f->forgetObject (obj); | |
| 122 delete obj; | |
| 123 | |
| 124 g_fullRefresh = true; | |
| 125 } | |
| 126 | |
| 127 // ============================================================================= | |
| 128 // ----------------------------------------------------------------------------- | |
| 129 void AddHistory::redo() const | |
| 130 { LDDocument* f = getParent()->getFile(); | |
| 131 LDObject* obj = parseLine (getCode()); | |
| 132 f->insertObj (getIndex(), obj); | |
| 133 g_win->R()->compileObject (obj); | |
| 134 } | |
| 135 | |
| 136 // ============================================================================= | |
| 137 // heh | |
| 138 // ----------------------------------------------------------------------------- | |
| 139 void DelHistory::undo() const | |
| 140 { LDDocument* f = getParent()->getFile(); | |
| 141 LDObject* obj = parseLine (getCode()); | |
| 142 f->insertObj (getIndex(), obj); | |
| 143 g_win->R()->compileObject (obj); | |
| 144 } | |
| 145 | |
| 146 // ============================================================================= | |
| 147 // ----------------------------------------------------------------------------- | |
| 148 void DelHistory::redo() const | |
| 149 { LDDocument* f = getParent()->getFile(); | |
| 150 LDObject* obj = f->getObject (getIndex()); | |
| 151 f->forgetObject (obj); | |
| 152 delete obj; | |
| 153 | |
| 154 g_fullRefresh = true; | |
| 155 } | |
| 156 | |
| 157 // ============================================================================= | |
| 158 // ----------------------------------------------------------------------------- | |
| 159 void EditHistory::undo() const | |
| 160 { LDObject* obj = getCurrentDocument()->getObject (getIndex()); | |
| 161 LDObject* newobj = parseLine (getOldCode()); | |
| 162 obj->replace (newobj); | |
| 163 g_win->R()->compileObject (newobj); | |
| 164 } | |
| 165 | |
| 166 // ============================================================================= | |
| 167 // ----------------------------------------------------------------------------- | |
| 168 void EditHistory::redo() const | |
| 169 { LDObject* obj = getCurrentDocument()->getObject (getIndex()); | |
| 170 LDObject* newobj = parseLine (getNewCode()); | |
| 171 obj->replace (newobj); | |
| 172 g_win->R()->compileObject (newobj); | |
| 173 } | |
| 174 | |
| 175 // ============================================================================= | |
| 176 // ----------------------------------------------------------------------------- | |
| 177 void SwapHistory::undo() const | |
| 178 { LDObject::fromID (a)->swap (LDObject::fromID (b)); | |
| 179 } | |
| 180 | |
| 181 void SwapHistory::redo() const | |
| 182 { undo(); // :v | |
| 183 } |
