comparison: src/historyDialog.cpp
src/historyDialog.cpp
- changeset 355
- c2db4aa66b5d
- parent 354
- b32d4d66cb6e
- child 356
- 08398f57aba3
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| 354:b32d4d66cb6e | 355:c2db4aa66b5d |
|---|---|
| 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 <qboxlayout.h> | |
| 20 #include <qmessagebox.h> | |
| 21 #include <QGridLayout> | |
| 22 #include "historyDialog.h" | |
| 23 #include "history.h" | |
| 24 #include "colors.h" | |
| 25 #include "file.h" | |
| 26 | |
| 27 EXTERN_ACTION (undo); | |
| 28 EXTERN_ACTION (redo); | |
| 29 | |
| 30 // ============================================================================= | |
| 31 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * | |
| 32 // ============================================================================= | |
| 33 HistoryDialog::HistoryDialog (QWidget* parent, Qt::WindowFlags f) : QDialog (parent, f) { | |
| 34 historyList = new QListWidget; | |
| 35 undoButton = new QPushButton ("Undo"); | |
| 36 redoButton = new QPushButton ("Redo"); | |
| 37 clearButton = new QPushButton ("Clear"); | |
| 38 buttons = new QDialogButtonBox (QDialogButtonBox::Close); | |
| 39 | |
| 40 historyList->setAlternatingRowColors (true); | |
| 41 | |
| 42 undoButton->setIcon (getIcon ("undo")); | |
| 43 redoButton->setIcon (getIcon ("redo")); | |
| 44 | |
| 45 connect (undoButton, SIGNAL (clicked ()), this, SLOT (slot_undo ())); | |
| 46 connect (redoButton, SIGNAL (clicked ()), this, SLOT (slot_redo ())); | |
| 47 connect (clearButton, SIGNAL (clicked ()), this, SLOT (slot_clear ())); | |
| 48 connect (buttons, SIGNAL (rejected ()), this, SLOT (reject ())); | |
| 49 connect (historyList, SIGNAL (itemSelectionChanged ()), this, SLOT (slot_selChanged ())); | |
| 50 | |
| 51 QVBoxLayout* qButtonLayout = new QVBoxLayout; | |
| 52 qButtonLayout->setDirection (QBoxLayout::TopToBottom); | |
| 53 qButtonLayout->addWidget (undoButton); | |
| 54 qButtonLayout->addWidget (redoButton); | |
| 55 qButtonLayout->addWidget (clearButton); | |
| 56 qButtonLayout->addStretch (); | |
| 57 | |
| 58 QGridLayout* qLayout = new QGridLayout; | |
| 59 qLayout->setColumnStretch (0, 1); | |
| 60 qLayout->addWidget (historyList, 0, 0, 2, 1); | |
| 61 qLayout->addLayout (qButtonLayout, 0, 1); | |
| 62 qLayout->addWidget (buttons, 1, 1); | |
| 63 | |
| 64 setLayout (qLayout); | |
| 65 setWindowIcon (getIcon ("history")); | |
| 66 setWindowTitle ("Edit History"); | |
| 67 | |
| 68 populateList (); | |
| 69 updateButtons (); | |
| 70 updateSelection (); | |
| 71 } | |
| 72 | |
| 73 // ============================================================================= | |
| 74 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * | |
| 75 // ============================================================================= | |
| 76 void HistoryDialog::populateList () { | |
| 77 historyList->clear (); | |
| 78 | |
| 79 QListWidgetItem* qItem = new QListWidgetItem; | |
| 80 qItem->setText ("[[ initial state ]]"); | |
| 81 qItem->setIcon (getIcon ("empty")); | |
| 82 historyList->addItem (qItem); | |
| 83 | |
| 84 #if 0 | |
| 85 for (AbstractHistoryEntry* entry : g_curfile->history ().entries ()) { | |
| 86 str text; | |
| 87 QIcon entryIcon; | |
| 88 | |
| 89 switch (entry->type ()) { | |
| 90 default: | |
| 91 text = "???"; | |
| 92 break; | |
| 93 } | |
| 94 | |
| 95 QListWidgetItem* item = new QListWidgetItem; | |
| 96 item->setText (text); | |
| 97 item->setIcon (entryIcon); | |
| 98 historyList->addItem (item); | |
| 99 } | |
| 100 #endif | |
| 101 } | |
| 102 | |
| 103 // ============================================================================= | |
| 104 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * | |
| 105 // ============================================================================= | |
| 106 void HistoryDialog::slot_undo () { | |
| 107 g_curfile->undo (); | |
| 108 updateButtons (); | |
| 109 updateSelection (); | |
| 110 } | |
| 111 | |
| 112 // ============================================================================= | |
| 113 void HistoryDialog::slot_redo () { | |
| 114 g_curfile->redo (); | |
| 115 updateButtons (); | |
| 116 updateSelection (); | |
| 117 } | |
| 118 | |
| 119 void HistoryDialog::updateSelection () { | |
| 120 historyList->setCurrentItem (historyList->item (g_curfile->history ().pos () + 1)); | |
| 121 } | |
| 122 | |
| 123 // ============================================================================= | |
| 124 void HistoryDialog::slot_clear () { | |
| 125 if (!confirm ("Are you sure you want to clear the edit history?\nThis cannot be undone.")) | |
| 126 return; // Canceled | |
| 127 | |
| 128 g_curfile->clearHistory (); | |
| 129 populateList (); | |
| 130 updateButtons (); | |
| 131 } | |
| 132 | |
| 133 // ============================================================================= | |
| 134 void HistoryDialog::updateButtons () { | |
| 135 undoButton->setEnabled (ACTION (undo)->isEnabled ()); | |
| 136 redoButton->setEnabled (ACTION (redo)->isEnabled ()); | |
| 137 } | |
| 138 | |
| 139 // ============================================================================= | |
| 140 void HistoryDialog::slot_selChanged () { | |
| 141 if (historyList->selectedItems ().size () != 1) | |
| 142 return; | |
| 143 | |
| 144 QListWidgetItem* item = historyList->selectedItems ()[0]; | |
| 145 | |
| 146 // Find the index of the edit | |
| 147 long index; | |
| 148 for (index = 0; index < historyList->count (); ++index) | |
| 149 if (historyList->item (index) == item) | |
| 150 break; | |
| 151 | |
| 152 // qHistoryList is 0-based, History is -1-based, thus decrement | |
| 153 // the index now | |
| 154 index--; | |
| 155 | |
| 156 // Seek to the selected edit by repeadetly undoing or redoing. | |
| 157 while (g_curfile->history ().pos () != index) { | |
| 158 if (g_curfile->history ().pos () > index) | |
| 159 g_curfile->undo (); | |
| 160 else | |
| 161 g_curfile->redo (); | |
| 162 } | |
| 163 | |
| 164 updateButtons (); | |
| 165 } |
