Mercurial > ldforge / file comparison

comparison: src/historyDialog.cpp

src/historyDialog.cpp

changeset 183
f1b8cb53d2a2
child 185
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equal deleted inserted replaced
182:9374fea8f77f 183:f1b8cb53d2a2
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 "historyDialog.h"
20 #include "history.h"
21 #include "colors.h"
22 #include <qboxlayout.h>
23 #include <qmessagebox.h>
24
25 EXTERN_ACTION (undo);
26 EXTERN_ACTION (redo);
27
28 // =============================================================================
29 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
30 // =============================================================================
31 HistoryDialog::HistoryDialog (QWidget* parent, Qt::WindowFlags f) : QDialog (parent, f) {
32 historyList = new QListWidget;
33 undoButton = new QPushButton ("Undo");
34 redoButton = new QPushButton ("Redo");
35 clearButton = new QPushButton ("Clear");
36 buttons = new QDialogButtonBox (QDialogButtonBox::Close);
37
38 historyList->setAlternatingRowColors (true);
39
40 undoButton->setIcon (getIcon ("undo"));
41 redoButton->setIcon (getIcon ("redo"));
42
43 connect (undoButton, SIGNAL (clicked ()), this, SLOT (slot_undo ()));
44 connect (redoButton, SIGNAL (clicked ()), this, SLOT (slot_redo ()));
45 connect (clearButton, SIGNAL (clicked ()), this, SLOT (slot_clear ()));
46 connect (buttons, SIGNAL (rejected ()), this, SLOT (reject ()));
47 connect (historyList, SIGNAL (itemSelectionChanged ()), this, SLOT (slot_selChanged ()));
48
49 QVBoxLayout* qButtonLayout = new QVBoxLayout;
50 qButtonLayout->setDirection (QBoxLayout::TopToBottom);
51 qButtonLayout->addWidget (undoButton);
52 qButtonLayout->addWidget (redoButton);
53 qButtonLayout->addWidget (clearButton);
54 qButtonLayout->addStretch ();
55
56 QGridLayout* qLayout = new QGridLayout;
57 qLayout->setColumnStretch (0, 1);
58 qLayout->addWidget (historyList, 0, 0, 2, 1);
59 qLayout->addLayout (qButtonLayout, 0, 1);
60 qLayout->addWidget (buttons, 1, 1);
61
62 setLayout (qLayout);
63 setWindowIcon (getIcon ("history"));
64 setWindowTitle (APPNAME " - Edit history");
65
66 populateList ();
67 updateButtons ();
68 updateSelection ();
69 }
70
71 // =============================================================================
72 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
73 // =============================================================================
74 void HistoryDialog::populateList () {
75 historyList->clear ();
76
77 QListWidgetItem* qItem = new QListWidgetItem;
78 qItem->setText ("[[ initial state ]]");
79 qItem->setIcon (getIcon ("empty"));
80 historyList->addItem (qItem);
81
82 for (HistoryEntry* entry : History::entries ()) {
83 str text;
84 QIcon entryIcon;
85
86 switch (entry->type ()) {
87 case HISTORY_Add:
88 {
89 AddHistory* subentry = static_cast<AddHistory*> (entry);
90 ulong count = subentry->paObjs.size ();
91 str verb = "Added";
92
93 switch (subentry->eType) {
94 case AddHistory::Paste:
95 verb = "Pasted";
96 entryIcon = getIcon ("paste");
97 break;
98
99 default:
100 {
101 // Determine a common type for these objects. If all objects are of the same
102 // type, we display its addition icon. Otherwise, we draw a subfile addition
103 // one as a default.
104 LDObject::Type eCommonType = LDObject::Unidentified;
105 for (LDObject* obj : subentry->paObjs) {
106 if (eCommonType == LDObject::Unidentified or obj->getType() == eCommonType)
107 eCommonType = obj->getType ();
108 else {
109 eCommonType = LDObject::Unidentified;
110 break;
111 }
112 }
113
114 // Set the icon based on the common type decided above.
115 if (eCommonType == LDObject::Unidentified)
116 entryIcon = getIcon ("add-subfile");
117 else
118 entryIcon = getIcon (fmt ("add-%s", g_saObjTypeIcons[eCommonType]));
119 }
120 break;
121 }
122
123 text.format ("%s %lu objects\n%s", verb.chars(), count,
124 LDObject::objectListContents (subentry->paObjs).chars());
125 }
126 break;
127
128 case HISTORY_QuadSplit:
129 {
130 QuadSplitHistory* subentry = static_cast<QuadSplitHistory*> (entry);
131 ulong ulCount = subentry->paQuads.size ();
132 text.format ("Split %lu quad%s to triangles", ulCount, PLURAL (ulCount));
133
134 entryIcon = getIcon ("quad-split");
135 }
136 break;
137
138 case HISTORY_Del:
139 {
140 DelHistory* subentry = static_cast<DelHistory*> (entry);
141 ulong count = subentry->cache.size ();
142 str verb = "Deleted";
143 entryIcon = getIcon ("delete");
144
145 switch (subentry->eType) {
146 case DelHistory::Cut:
147 entryIcon = getIcon ("cut");
148 verb = "Cut";
149 break;
150
151 default:
152 break;
153 }
154
155 text.format ("%s %lu objects:\n%s", verb.chars(), count,
156 LDObject::objectListContents (subentry->cache).chars ());
157 }
158 break;
159
160 case HISTORY_SetColor:
161 {
162 SetColorHistory* subentry = static_cast<SetColorHistory*> (entry);
163 ulong count = subentry->ulaIndices.size ();
164 text.format ("Set color of %lu objects to %d (%s)", count,
165 subentry->dNewColor, getColor (subentry->dNewColor)->zName.chars());
166
167 entryIcon = getIcon ("palette");
168 }
169 break;
170
171 case HISTORY_ListMove:
172 {
173 ListMoveHistory* subentry = static_cast<ListMoveHistory*> (entry);
174 ulong ulCount = subentry->ulaIndices.size ();
175
176 text.format ("Moved %lu objects %s", ulCount,
177 subentry->bUp ? "up" : "down");
178 entryIcon = getIcon (subentry->bUp ? "arrow-up" : "arrow-down");
179 }
180 break;
181
182 case HISTORY_Edit:
183 {
184 EditHistory* subentry = static_cast<EditHistory*> (entry);
185
186 text.format ("Edited %u objects\n%s",
187 subentry->paNewObjs.size(),
188 LDObject::objectListContents (subentry->paOldObjs).chars ());
189 entryIcon = getIcon ("set-contents");
190 }
191 break;
192
193 case HISTORY_Inline:
194 {
195 InlineHistory* subentry = static_cast<InlineHistory*> (entry);
196
197 text.format ("%s %lu subfiles:\n%lu resultants",
198 (subentry->bDeep) ? "Deep-inlined" : "Inlined",
199 (ulong) subentry->paRefs.size(),
200 (ulong) subentry->ulaBitIndices.size());
201
202 entryIcon = getIcon (subentry->bDeep ? "inline-deep" : "inline");
203 }
204 break;
205
206 default:
207 text = "???";
208 break;
209 }
210
211 QListWidgetItem* item = new QListWidgetItem;
212 item->setText (text);
213 item->setIcon (entryIcon);
214 historyList->addItem (item);
215 }
216 }
217
218 // =============================================================================
219 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
220 // =============================================================================
221 void HistoryDialog::slot_undo () {
222 History::undo ();
223 updateButtons ();
224 updateSelection ();
225 }
226
227 // =============================================================================
228 void HistoryDialog::slot_redo () {
229 History::redo ();
230 updateButtons ();
231 updateSelection ();
232 }
233
234 void HistoryDialog::updateSelection () {
235 historyList->setCurrentItem (historyList->item (History::pos () + 1));
236 }
237
238 // =============================================================================
239 void HistoryDialog::slot_clear () {
240 if (!confirm ("Are you sure you want to clear the edit history?\nThis cannot be undone."))
241 return; // Canceled
242
243 History::clear ();
244 populateList ();
245 updateButtons ();
246 }
247
248 // =============================================================================
249 void HistoryDialog::updateButtons () {
250 undoButton->setEnabled (ACTION (undo)->isEnabled ());
251 redoButton->setEnabled (ACTION (redo)->isEnabled ());
252 }
253
254 // =============================================================================
255 void HistoryDialog::slot_selChanged () {
256 if (historyList->selectedItems ().size () != 1)
257 return;
258
259 QListWidgetItem* qItem = historyList->selectedItems ()[0];
260
261 // Find the index of the edit
262 long lIdx;
263 for (lIdx = 0; lIdx < historyList->count (); ++lIdx)
264 if (historyList->item (lIdx) == qItem)
265 break;
266
267 // qHistoryList is 0-based, History is -1-based, thus decrement
268 // the index now
269 lIdx--;
270
271 if (lIdx == History::pos ())
272 return;
273
274 // Seek to the selected edit by repeadetly undoing or redoing.
275 while (History::pos () != lIdx) {
276 if (History::pos () > lIdx)
277 History::undo ();
278 else
279 History::redo ();
280 }
281
282 updateButtons ();
283 }

Mercurial Repository: ldforge

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