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-rw-r--r--noncore/graphics/drawpad/drawpadcanvas.cpp26
1 files changed, 17 insertions, 9 deletions
diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp
index b8a1c2e..4e17245 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.cpp
+++ b/noncore/graphics/drawpad/drawpadcanvas.cpp
@@ -1,532 +1,540 @@
1/*************************************************************************** 1/***************************************************************************
2 * * 2 * *
3 * DrawPad - a drawing program for Opie Environment * 3 * DrawPad - a drawing program for Opie Environment *
4 * * 4 * *
5 * (C) 2002 by S. Prud'homme <prudhomme@laposte.net> * 5 * (C) 2002 by S. Prud'homme <prudhomme@laposte.net> *
6 * * 6 * *
7 * This program is free software; you can redistribute it and/or modify * 7 * This program is free software; you can redistribute it and/or modify *
8 * it under the terms of the GNU General Public License as published by * 8 * it under the terms of the GNU General Public License as published by *
9 * the Free Software Foundation; either version 2 of the License, or * 9 * the Free Software Foundation; either version 2 of the License, or *
10 * (at your option) any later version. * 10 * (at your option) any later version. *
11 * * 11 * *
12 ***************************************************************************/ 12 ***************************************************************************/
13 13
14#include "drawpadcanvas.h" 14#include "drawpadcanvas.h"
15 15
16#include "drawpad.h" 16#include "drawpad.h"
17#include "newpagedialog.h" 17#include "newpagedialog.h"
18#include "tool.h" 18#include "tool.h"
19 19
20#include <qpe/applnk.h> 20#include <qpe/applnk.h>
21#include <qpe/filemanager.h> 21#include <qpe/filemanager.h>
22#include <qpe/mimetype.h> 22#include <qpe/mimetype.h>
23 23
24#include <qbuffer.h> 24#include <qbuffer.h>
25#include <qimage.h> 25#include <qimage.h>
26#include <qmessagebox.h> 26#include <qmessagebox.h>
27#include <qpainter.h> 27#include <qpainter.h>
28#include <qpixmap.h> 28#include <qpixmap.h>
29#include <qtextcodec.h> 29#include <qtextcodec.h>
30#include <qtextstream.h> 30#include <qtextstream.h>
31#include <qxml.h> 31#include <qxml.h>
32 32
33#include <zlib.h> 33#include <zlib.h>
34 34
35class DrawPadCanvasXmlHandler: public QXmlDefaultHandler 35class DrawPadCanvasXmlHandler: public QXmlDefaultHandler
36{ 36{
37public: 37public:
38 DrawPadCanvasXmlHandler(); 38 DrawPadCanvasXmlHandler();
39 ~DrawPadCanvasXmlHandler(); 39 ~DrawPadCanvasXmlHandler();
40 40
41 QList<QPixmap> pixmaps(); 41 QList<QPixmap> pixmaps();
42 42
43 bool startElement(const QString& namespaceURI, const QString& localName, 43 bool startElement(const QString& namespaceURI, const QString& localName,
44 const QString& qName, const QXmlAttributes& atts); 44 const QString& qName, const QXmlAttributes& atts);
45 bool endElement(const QString& namespaceURI, const QString& localName, 45 bool endElement(const QString& namespaceURI, const QString& localName,
46 const QString& qName); 46 const QString& qName);
47 bool characters(const QString& ch); 47 bool characters(const QString& ch);
48 48
49private: 49private:
50 enum State { 50 enum State {
51 Unknown, 51 Unknown,
52 InData 52 InData
53 }; 53 };
54 54
55 State m_state; 55 State m_state;
56 ulong m_dataLenght; 56 ulong m_dataLenght;
57 QString m_dataFormat; 57 QString m_dataFormat;
58 QList<QPixmap> m_pixmaps; 58 QList<QPixmap> m_pixmaps;
59}; 59};
60 60
61DrawPadCanvasXmlHandler::DrawPadCanvasXmlHandler() 61DrawPadCanvasXmlHandler::DrawPadCanvasXmlHandler()
62{ 62{
63 m_state = Unknown; 63 m_state = Unknown;
64} 64}
65 65
66DrawPadCanvasXmlHandler::~DrawPadCanvasXmlHandler() 66DrawPadCanvasXmlHandler::~DrawPadCanvasXmlHandler()
67{ 67{
68} 68}
69 69
70QList<QPixmap> DrawPadCanvasXmlHandler::pixmaps() 70QList<QPixmap> DrawPadCanvasXmlHandler::pixmaps()
71{ 71{
72 return m_pixmaps; 72 return m_pixmaps;
73} 73}
74 74
75bool DrawPadCanvasXmlHandler::startElement(const QString& namespaceURI, const QString& localName, 75bool DrawPadCanvasXmlHandler::startElement(const QString& namespaceURI, const QString& localName,
76 const QString& qName, const QXmlAttributes& atts) 76 const QString& qName, const QXmlAttributes& atts)
77{ 77{
78 Q_CONST_UNUSED(namespaceURI) 78 Q_CONST_UNUSED(namespaceURI)
79 Q_CONST_UNUSED(localName) 79 Q_CONST_UNUSED(localName)
80 80
81 if (qName.compare("data") == 0) { 81 if (qName.compare("data") == 0) {
82 m_state = InData; 82 m_state = InData;
83 m_dataLenght = atts.value("length").toULong(); 83 m_dataLenght = atts.value("length").toULong();
84 m_dataFormat = atts.value("format"); 84 m_dataFormat = atts.value("format");
85 85
86 if (m_dataFormat.isEmpty()) { 86 if (m_dataFormat.isEmpty()) {
87 m_dataFormat = "XPM"; 87 m_dataFormat = "XPM";
88 } 88 }
89 } 89 }
90 90
91 return true; 91 return true;
92} 92}
93 93
94bool DrawPadCanvasXmlHandler::endElement(const QString& namespaceURI, const QString& localName, 94bool DrawPadCanvasXmlHandler::endElement(const QString& namespaceURI, const QString& localName,
95 const QString& qName) 95 const QString& qName)
96{ 96{
97 Q_CONST_UNUSED(namespaceURI) 97 Q_CONST_UNUSED(namespaceURI)
98 Q_CONST_UNUSED(localName) 98 Q_CONST_UNUSED(localName)
99 99
100 if (qName.compare("data") == 0) { 100 if (qName.compare("data") == 0) {
101 m_state = Unknown; 101 m_state = Unknown;
102 } 102 }
103 103
104 return true; 104 return true;
105} 105}
106 106
107bool DrawPadCanvasXmlHandler::characters(const QString& ch) 107bool DrawPadCanvasXmlHandler::characters(const QString& ch)
108{ 108{
109 if (m_state == InData) { 109 if (m_state == InData) {
110 QByteArray byteArray(ch.length() / 2); 110 QByteArray byteArray(ch.length() / 2);
111 111
112 for (int i = 0; i < (int)ch.length() / 2; i++) { 112 for (int i = 0; i < (int)ch.length() / 2; i++) {
113 char h = ch[2 * i].latin1(); 113 char h = ch[2 * i].latin1();
114 char l = ch[2 * i + 1].latin1(); 114 char l = ch[2 * i + 1].latin1();
115 uchar r = 0; 115 uchar r = 0;
116 116
117 if (h <= '9') { 117 if (h <= '9') {
118 r += h - '0'; 118 r += h - '0';
119 } else { 119 } else {
120 r += h - 'a' + 10; 120 r += h - 'a' + 10;
121 } 121 }
122 122
123 r = r << 4; 123 r = r << 4;
124 124
125 if (l <= '9') { 125 if (l <= '9') {
126 r += l - '0'; 126 r += l - '0';
127 } else { 127 } else {
128 r += l - 'a' + 10; 128 r += l - 'a' + 10;
129 } 129 }
130 130
131 byteArray[i] = r; 131 byteArray[i] = r;
132 } 132 }
133 133
134 if (m_dataLenght < ch.length() * 5) {
135 m_dataLenght = ch.length() * 5;
136 }
137
138 QByteArray byteArrayUnzipped(m_dataLenght);
139 ::uncompress((uchar*)byteArrayUnzipped.data(), &m_dataLenght, (uchar*)byteArray.data(), byteArray.size());
140 134
141 QImage image; 135 QImage image;
142 image.loadFromData((const uchar*)byteArrayUnzipped.data(), m_dataLenght, m_dataFormat); 136
137 if (m_dataFormat == "XPM") {
138 if (m_dataLenght < ch.length() * 5) {
139 m_dataLenght = ch.length() * 5;
140 }
141
142 QByteArray byteArrayUnzipped(m_dataLenght);
143 ::uncompress((uchar*)byteArrayUnzipped.data(), &m_dataLenght, (uchar*)byteArray.data(), byteArray.size());
144
145 image.loadFromData((const uchar*)byteArrayUnzipped.data(), m_dataLenght, m_dataFormat);
146 } else {
147 image.loadFromData((const uchar*)byteArray.data(), m_dataLenght, m_dataFormat);
148 }
143 149
144 QPixmap* pixmap = new QPixmap(image.width(), image.height()); 150 QPixmap* pixmap = new QPixmap(image.width(), image.height());
145 pixmap->convertFromImage(image); 151 pixmap->convertFromImage(image);
146 m_pixmaps.append(pixmap); 152 m_pixmaps.append(pixmap);
147 } 153 }
148 154
149 return true; 155 return true;
150} 156}
151 157
152DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name) 158DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name)
153 : QScrollView(parent, name) 159 : QScrollView(parent, name)
154{ 160{
155 m_pDrawPad = drawPad; 161 m_pDrawPad = drawPad;
156 m_pages.setAutoDelete(true); 162 m_pages.setAutoDelete(true);
157 m_pageBackups.setAutoDelete(true); 163 m_pageBackups.setAutoDelete(true);
158} 164}
159 165
160DrawPadCanvas::~DrawPadCanvas() 166DrawPadCanvas::~DrawPadCanvas()
161{ 167{
162} 168}
163 169
164void DrawPadCanvas::load(QIODevice* ioDevice) 170void DrawPadCanvas::load(QIODevice* ioDevice)
165{ 171{
166 QTextStream textStream(ioDevice); 172 QTextStream textStream(ioDevice);
167 textStream.setCodec(QTextCodec::codecForName("UTF-8")); 173 textStream.setCodec(QTextCodec::codecForName("UTF-8"));
168 174
169 QXmlInputSource xmlInputSource(textStream); 175 QXmlInputSource xmlInputSource(textStream);
170 QXmlSimpleReader xmlSimpleReader; 176 QXmlSimpleReader xmlSimpleReader;
171 DrawPadCanvasXmlHandler drawPadCanvasXmlHandler; 177 DrawPadCanvasXmlHandler drawPadCanvasXmlHandler;
172 178
173 xmlSimpleReader.setContentHandler(&drawPadCanvasXmlHandler); 179 xmlSimpleReader.setContentHandler(&drawPadCanvasXmlHandler);
174 xmlSimpleReader.parse(xmlInputSource); 180 xmlSimpleReader.parse(xmlInputSource);
175 181
176 m_pages = drawPadCanvasXmlHandler.pixmaps(); 182 m_pages = drawPadCanvasXmlHandler.pixmaps();
177 183
178 if (m_pages.isEmpty()) { 184 if (m_pages.isEmpty()) {
179 m_pages.append(new QPixmap(contentsRect().size())); 185 m_pages.append(new QPixmap(contentsRect().size()));
180 m_pages.current()->fill(Qt::white); 186 m_pages.current()->fill(Qt::white);
181 } 187 }
182 188
183 m_pageBackups.clear(); 189 m_pageBackups.clear();
184 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 190 m_pageBackups.append(new QPixmap(*(m_pages.current())));
185 191
186 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 192 resizeContents(m_pages.current()->width(), m_pages.current()->height());
187 viewport()->update(); 193 viewport()->update();
188 194
189 emit pagesChanged(); 195 emit pagesChanged();
190 emit pageBackupsChanged(); 196 emit pageBackupsChanged();
191} 197}
192 198
193void DrawPadCanvas::initialPage() 199void DrawPadCanvas::initialPage()
194{ 200{
195 m_pages.append(new QPixmap(234, 233)); 201 m_pages.append(new QPixmap(234, 233));
196 m_pages.current()->fill(Qt::white); 202 m_pages.current()->fill(Qt::white);
197 203
198 m_pageBackups.clear(); 204 m_pageBackups.clear();
199 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 205 m_pageBackups.append(new QPixmap(*(m_pages.current())));
200 206
201 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 207 resizeContents(m_pages.current()->width(), m_pages.current()->height());
202 viewport()->update(); 208 viewport()->update();
203 209
204 emit pagesChanged(); 210 emit pagesChanged();
205 emit pageBackupsChanged(); 211 emit pageBackupsChanged();
206} 212}
207 213
208void DrawPadCanvas::save(QIODevice* ioDevice) 214void DrawPadCanvas::save(QIODevice* ioDevice)
209{ 215{
210 QTextStream textStream(ioDevice); 216 QTextStream textStream(ioDevice);
211 textStream.setCodec(QTextCodec::codecForName("UTF-8")); 217 textStream.setCodec(QTextCodec::codecForName("UTF-8"));
212 218
213 textStream << "<drawpad>" << endl; 219 textStream << "<drawpad>" << endl;
214 textStream << " <images>" << endl; 220 textStream << " <images>" << endl;
215 221
216 QListIterator<QPixmap> bufferIterator(m_pages); 222 QListIterator<QPixmap> bufferIterator(m_pages);
217 223
218 for (bufferIterator.toFirst(); bufferIterator.current() != 0; ++bufferIterator) { 224 for (bufferIterator.toFirst(); bufferIterator.current() != 0; ++bufferIterator) {
219 textStream << " <image>" << endl; 225 textStream << " <image>" << endl;
220 226
221 QImage image = bufferIterator.current()->convertToImage(); 227 QImage image = bufferIterator.current()->convertToImage();
222 QByteArray byteArray; 228 QByteArray byteArray;
223 QBuffer buffer(byteArray); 229 QBuffer buffer(byteArray);
224 QImageIO imageIO(&buffer, "PNG"); 230 QImageIO imageIO(&buffer, "PNG");
225 231
226 buffer.open(IO_WriteOnly); 232 buffer.open(IO_WriteOnly);
227 imageIO.setImage(image); 233 imageIO.setImage(image);
228 imageIO.write(); 234 imageIO.write();
229 buffer.close(); 235 buffer.close();
230 236
237/*
231 ulong size = byteArray.size() * 2; 238 ulong size = byteArray.size() * 2;
232 QByteArray byteArrayZipped(size); 239 QByteArray byteArrayZipped(size);
233 ::compress((uchar*)byteArrayZipped.data(), &size, (uchar*)byteArray.data(), byteArray.size()); 240 ::compress((uchar*)byteArrayZipped.data(), &size, (uchar*)byteArray.data(), byteArray.size());
241*/
234 242
235 textStream << " <data length=\"" << byteArray.size() << "\" format=\"PNG\">"; 243 textStream << " <data length=\"" << byteArray.size() << "\" format=\"PNG\">";
236 244
237 static const char hexchars[] = "0123456789abcdef"; 245 static const char hexchars[] = "0123456789abcdef";
238 246
239 for (int i = 0; i < (int)size; i++ ) { 247 for (int i = 0; i < (int)byteArray.size(); i++ ) {
240 uchar s = (uchar)byteArrayZipped[i]; 248 uchar s = (uchar)byteArray[i];
241 textStream << hexchars[s >> 4]; 249 textStream << hexchars[s >> 4];
242 textStream << hexchars[s & 0x0f]; 250 textStream << hexchars[s & 0x0f];
243 } 251 }
244 252
245 textStream << "</data>" << endl; 253 textStream << "</data>" << endl;
246 textStream << " </image>" << endl; 254 textStream << " </image>" << endl;
247 } 255 }
248 256
249 textStream << " </images>" << endl; 257 textStream << " </images>" << endl;
250 textStream << "</drawpad>"; 258 textStream << "</drawpad>";
251} 259}
252 260
253void DrawPadCanvas::importPage(const QString& fileName) 261void DrawPadCanvas::importPage(const QString& fileName)
254{ 262{
255 QPixmap* importedPixmap = new QPixmap(); 263 QPixmap* importedPixmap = new QPixmap();
256 264
257 importedPixmap->load(fileName); 265 importedPixmap->load(fileName);
258 m_pages.insert(m_pages.at() + 1, importedPixmap); 266 m_pages.insert(m_pages.at() + 1, importedPixmap);
259 267
260 m_pageBackups.clear(); 268 m_pageBackups.clear();
261 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 269 m_pageBackups.append(new QPixmap(*(m_pages.current())));
262 270
263 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 271 resizeContents(m_pages.current()->width(), m_pages.current()->height());
264 viewport()->update(); 272 viewport()->update();
265 273
266 emit pagesChanged(); 274 emit pagesChanged();
267 emit pageBackupsChanged(); 275 emit pageBackupsChanged();
268} 276}
269 277
270void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,const QString& format) 278void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,const QString& format)
271{ 279{
272 if (fromPage == toPage) { 280 if (fromPage == toPage) {
273 DocLnk docLnk; 281 DocLnk docLnk;
274 MimeType mimeType(format); 282 MimeType mimeType(format);
275 283
276 docLnk.setName(name); 284 docLnk.setName(name);
277 docLnk.setType(mimeType.id()); 285 docLnk.setType(mimeType.id());
278 286
279 FileManager fileManager; 287 FileManager fileManager;
280 QIODevice* ioDevice = fileManager.saveFile(docLnk); 288 QIODevice* ioDevice = fileManager.saveFile(docLnk);
281 QImageIO imageIO(ioDevice, format); 289 QImageIO imageIO(ioDevice, format);
282 290
283 QImage image = m_pages.current()->convertToImage(); 291 QImage image = m_pages.current()->convertToImage();
284 imageIO.setImage(image); 292 imageIO.setImage(image);
285 imageIO.write(); 293 imageIO.write();
286 delete ioDevice; 294 delete ioDevice;
287 } else { 295 } else {
288 for (uint i = fromPage; i <= toPage; i++) { 296 for (uint i = fromPage; i <= toPage; i++) {
289 DocLnk docLnk; 297 DocLnk docLnk;
290 MimeType mimeType(format); 298 MimeType mimeType(format);
291 299
292 docLnk.setName(name + QString::number(i)); 300 docLnk.setName(name + QString::number(i));
293 docLnk.setType(mimeType.id()); 301 docLnk.setType(mimeType.id());
294 302
295 FileManager fileManager; 303 FileManager fileManager;
296 QIODevice* ioDevice = fileManager.saveFile(docLnk); 304 QIODevice* ioDevice = fileManager.saveFile(docLnk);
297 QImageIO imageIO(ioDevice, format); 305 QImageIO imageIO(ioDevice, format);
298 306
299 QImage image = m_pages.at(i - 1)->convertToImage(); 307 QImage image = m_pages.at(i - 1)->convertToImage();
300 imageIO.setImage(image); 308 imageIO.setImage(image);
301 imageIO.write(); 309 imageIO.write();
302 delete ioDevice; 310 delete ioDevice;
303 } 311 }
304 } 312 }
305} 313}
306 314
307QPixmap* DrawPadCanvas::currentPage() 315QPixmap* DrawPadCanvas::currentPage()
308{ 316{
309 return m_pages.current(); 317 return m_pages.current();
310} 318}
311 319
312uint DrawPadCanvas::pagePosition() 320uint DrawPadCanvas::pagePosition()
313{ 321{
314 return (m_pages.at() + 1); 322 return (m_pages.at() + 1);
315} 323}
316 324
317uint DrawPadCanvas::pageCount() 325uint DrawPadCanvas::pageCount()
318{ 326{
319 return m_pages.count(); 327 return m_pages.count();
320} 328}
321 329
322void DrawPadCanvas::deleteAll() 330void DrawPadCanvas::deleteAll()
323{ 331{
324 QMessageBox messageBox(tr("Delete All"), tr("Do you want to delete\nall the pages?"), 332 QMessageBox messageBox(tr("Delete All"), tr("Do you want to delete\nall the pages?"),
325 QMessageBox::Information, QMessageBox::Yes, 333 QMessageBox::Information, QMessageBox::Yes,
326 QMessageBox::No | QMessageBox::Escape | QMessageBox::Default, 334 QMessageBox::No | QMessageBox::Escape | QMessageBox::Default,
327 QMessageBox::NoButton, this); 335 QMessageBox::NoButton, this);
328 336
329 if (messageBox.exec() == QMessageBox::Yes) { 337 if (messageBox.exec() == QMessageBox::Yes) {
330 m_pages.clear(); 338 m_pages.clear();
331 339
332 m_pages.append(new QPixmap(contentsRect().size())); 340 m_pages.append(new QPixmap(contentsRect().size()));
333 m_pages.current()->fill(Qt::white); 341 m_pages.current()->fill(Qt::white);
334 342
335 m_pageBackups.clear(); 343 m_pageBackups.clear();
336 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 344 m_pageBackups.append(new QPixmap(*(m_pages.current())));
337 345
338 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 346 resizeContents(m_pages.current()->width(), m_pages.current()->height());
339 viewport()->update(); 347 viewport()->update();
340 348
341 emit pagesChanged(); 349 emit pagesChanged();
342 emit pageBackupsChanged(); 350 emit pageBackupsChanged();
343 } 351 }
344} 352}
345 353
346void DrawPadCanvas::newPage() 354void DrawPadCanvas::newPage()
347{ 355{
348 QRect rect = contentsRect(); 356 QRect rect = contentsRect();
349 357
350 NewPageDialog newPageDialog(rect.width(), rect.height(), m_pDrawPad->pen().color(), 358 NewPageDialog newPageDialog(rect.width(), rect.height(), m_pDrawPad->pen().color(),
351 m_pDrawPad->brush().color(), this); 359 m_pDrawPad->brush().color(), this);
352 360
353 if (newPageDialog.exec() == QDialog::Accepted) { 361 if (newPageDialog.exec() == QDialog::Accepted) {
354 m_pages.insert(m_pages.at() + 1, new QPixmap(newPageDialog.selectedWidth(), 362 m_pages.insert(m_pages.at() + 1, new QPixmap(newPageDialog.selectedWidth(),
355 newPageDialog.selectedHeight())); 363 newPageDialog.selectedHeight()));
356 m_pages.current()->fill(newPageDialog.selectedColor()); 364 m_pages.current()->fill(newPageDialog.selectedColor());
357 365
358 m_pageBackups.clear(); 366 m_pageBackups.clear();
359 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 367 m_pageBackups.append(new QPixmap(*(m_pages.current())));
360 368
361 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 369 resizeContents(m_pages.current()->width(), m_pages.current()->height());
362 viewport()->update(); 370 viewport()->update();
363 371
364 emit pagesChanged(); 372 emit pagesChanged();
365 emit pageBackupsChanged(); 373 emit pageBackupsChanged();
366 } 374 }
367} 375}
368 376
369void DrawPadCanvas::clearPage() 377void DrawPadCanvas::clearPage()
370{ 378{
371 QMessageBox messageBox(tr("Clear Page"), tr("Do you want to clear\nthe current page?"), 379 QMessageBox messageBox(tr("Clear Page"), tr("Do you want to clear\nthe current page?"),
372 QMessageBox::Information, QMessageBox::Yes, 380 QMessageBox::Information, QMessageBox::Yes,
373 QMessageBox::No | QMessageBox::Escape | QMessageBox::Default, 381 QMessageBox::No | QMessageBox::Escape | QMessageBox::Default,
374 QMessageBox::NoButton, this); 382 QMessageBox::NoButton, this);
375 383
376 if (messageBox.exec() == QMessageBox::Yes) { 384 if (messageBox.exec() == QMessageBox::Yes) {
377 m_pages.current()->fill(Qt::white); 385 m_pages.current()->fill(Qt::white);
378 386
379 viewport()->update(); 387 viewport()->update();
380 } 388 }
381} 389}
382 390
383void DrawPadCanvas::deletePage() 391void DrawPadCanvas::deletePage()
384{ 392{
385 QMessageBox messageBox(tr("Delete Page"), tr("Do you want to delete\nthe current page?"), 393 QMessageBox messageBox(tr("Delete Page"), tr("Do you want to delete\nthe current page?"),
386 QMessageBox::Information, QMessageBox::Yes, 394 QMessageBox::Information, QMessageBox::Yes,
387 QMessageBox::No | QMessageBox::Escape | QMessageBox::Default, 395 QMessageBox::No | QMessageBox::Escape | QMessageBox::Default,
388 QMessageBox::NoButton, this); 396 QMessageBox::NoButton, this);
389 397
390 if (messageBox.exec() == QMessageBox::Yes) { 398 if (messageBox.exec() == QMessageBox::Yes) {
391 m_pages.remove(m_pages.current()); 399 m_pages.remove(m_pages.current());
392 400
393 if (m_pages.isEmpty()) { 401 if (m_pages.isEmpty()) {
394 m_pages.append(new QPixmap(contentsRect().size())); 402 m_pages.append(new QPixmap(contentsRect().size()));
395 m_pages.current()->fill(Qt::white); 403 m_pages.current()->fill(Qt::white);
396 } 404 }
397 405
398 m_pageBackups.clear(); 406 m_pageBackups.clear();
399 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 407 m_pageBackups.append(new QPixmap(*(m_pages.current())));
400 408
401 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 409 resizeContents(m_pages.current()->width(), m_pages.current()->height());
402 viewport()->update(); 410 viewport()->update();
403 411
404 emit pagesChanged(); 412 emit pagesChanged();
405 emit pageBackupsChanged(); 413 emit pageBackupsChanged();
406 } 414 }
407} 415}
408 416
409bool DrawPadCanvas::undoEnabled() 417bool DrawPadCanvas::undoEnabled()
410{ 418{
411 return (m_pageBackups.current() != m_pageBackups.getFirst()); 419 return (m_pageBackups.current() != m_pageBackups.getFirst());
412} 420}
413 421
414bool DrawPadCanvas::redoEnabled() 422bool DrawPadCanvas::redoEnabled()
415{ 423{
416 return (m_pageBackups.current() != m_pageBackups.getLast()); 424 return (m_pageBackups.current() != m_pageBackups.getLast());
417} 425}
418 426
419bool DrawPadCanvas::goPreviousPageEnabled() 427bool DrawPadCanvas::goPreviousPageEnabled()
420{ 428{
421 return (m_pages.current() != m_pages.getFirst()); 429 return (m_pages.current() != m_pages.getFirst());
422} 430}
423 431
424bool DrawPadCanvas::goNextPageEnabled() 432bool DrawPadCanvas::goNextPageEnabled()
425{ 433{
426 return (m_pages.current() != m_pages.getLast()); 434 return (m_pages.current() != m_pages.getLast());
427} 435}
428 436
429void DrawPadCanvas::undo() 437void DrawPadCanvas::undo()
430{ 438{
431 *(m_pages.current()) = *(m_pageBackups.prev()); 439 *(m_pages.current()) = *(m_pageBackups.prev());
432 440
433 viewport()->update(); 441 viewport()->update();
434 442
435 emit pageBackupsChanged(); 443 emit pageBackupsChanged();
436} 444}
437 445
438void DrawPadCanvas::redo() 446void DrawPadCanvas::redo()
439{ 447{
440 *(m_pages.current()) = *(m_pageBackups.next()); 448 *(m_pages.current()) = *(m_pageBackups.next());
441 449
442 viewport()->update(); 450 viewport()->update();
443 451
444 emit pageBackupsChanged(); 452 emit pageBackupsChanged();
445} 453}
446 454
447void DrawPadCanvas::goFirstPage() 455void DrawPadCanvas::goFirstPage()
448{ 456{
449 m_pages.first(); 457 m_pages.first();
450 m_pageBackups.clear(); 458 m_pageBackups.clear();
451 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 459 m_pageBackups.append(new QPixmap(*(m_pages.current())));
452 460
453 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 461 resizeContents(m_pages.current()->width(), m_pages.current()->height());
454 viewport()->update(); 462 viewport()->update();
455 463
456 emit pagesChanged(); 464 emit pagesChanged();
457 emit pageBackupsChanged(); 465 emit pageBackupsChanged();
458} 466}
459 467
460void DrawPadCanvas::goPreviousPage() 468void DrawPadCanvas::goPreviousPage()
461{ 469{
462 m_pages.prev(); 470 m_pages.prev();
463 m_pageBackups.clear(); 471 m_pageBackups.clear();
464 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 472 m_pageBackups.append(new QPixmap(*(m_pages.current())));
465 473
466 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 474 resizeContents(m_pages.current()->width(), m_pages.current()->height());
467 viewport()->update(); 475 viewport()->update();
468 476
469 emit pagesChanged(); 477 emit pagesChanged();
470 emit pageBackupsChanged(); 478 emit pageBackupsChanged();
471} 479}
472 480
473void DrawPadCanvas::goNextPage() 481void DrawPadCanvas::goNextPage()
474{ 482{
475 m_pages.next(); 483 m_pages.next();
476 m_pageBackups.clear(); 484 m_pageBackups.clear();
477 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 485 m_pageBackups.append(new QPixmap(*(m_pages.current())));
478 486
479 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 487 resizeContents(m_pages.current()->width(), m_pages.current()->height());
480 viewport()->update(); 488 viewport()->update();
481 489
482 emit pagesChanged(); 490 emit pagesChanged();
483 emit pageBackupsChanged(); 491 emit pageBackupsChanged();
484} 492}
485 493
486void DrawPadCanvas::goLastPage() 494void DrawPadCanvas::goLastPage()
487{ 495{
488 m_pages.last(); 496 m_pages.last();
489 m_pageBackups.clear(); 497 m_pageBackups.clear();
490 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 498 m_pageBackups.append(new QPixmap(*(m_pages.current())));
491 499
492 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 500 resizeContents(m_pages.current()->width(), m_pages.current()->height());
493 viewport()->update(); 501 viewport()->update();
494 502
495 emit pagesChanged(); 503 emit pagesChanged();
496 emit pageBackupsChanged(); 504 emit pageBackupsChanged();
497} 505}
498 506
499void DrawPadCanvas::contentsMousePressEvent(QMouseEvent* e) 507void DrawPadCanvas::contentsMousePressEvent(QMouseEvent* e)
500{ 508{
501 m_pDrawPad->tool()->mousePressEvent(e); 509 m_pDrawPad->tool()->mousePressEvent(e);
502} 510}
503 511
504void DrawPadCanvas::contentsMouseReleaseEvent(QMouseEvent* e) 512void DrawPadCanvas::contentsMouseReleaseEvent(QMouseEvent* e)
505{ 513{
506 m_pDrawPad->tool()->mouseReleaseEvent(e); 514 m_pDrawPad->tool()->mouseReleaseEvent(e);
507 515
508 QPixmap* currentBackup = m_pageBackups.current(); 516 QPixmap* currentBackup = m_pageBackups.current();
509 while (m_pageBackups.last() != currentBackup) { 517 while (m_pageBackups.last() != currentBackup) {
510 m_pageBackups.removeLast(); 518 m_pageBackups.removeLast();
511 } 519 }
512 520
513 while (m_pageBackups.count() >= (5 + 1)) { 521 while (m_pageBackups.count() >= (5 + 1)) {
514 m_pageBackups.removeFirst(); 522 m_pageBackups.removeFirst();
515 } 523 }
516 524
517 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 525 m_pageBackups.append(new QPixmap(*(m_pages.current())));
518 526
519 emit pageBackupsChanged(); 527 emit pageBackupsChanged();
520} 528}
521 529
522void DrawPadCanvas::contentsMouseMoveEvent(QMouseEvent* e) 530void DrawPadCanvas::contentsMouseMoveEvent(QMouseEvent* e)
523{ 531{
524 m_pDrawPad->tool()->mouseMoveEvent(e); 532 m_pDrawPad->tool()->mouseMoveEvent(e);
525} 533}
526 534
527void DrawPadCanvas::drawContents(QPainter* p, int cx, int cy, int cw, int ch) 535void DrawPadCanvas::drawContents(QPainter* p, int cx, int cy, int cw, int ch)
528{ 536{
529 QRect clipRect(cx, cy, cw, ch); 537 QRect clipRect(cx, cy, cw, ch);
530 538
531 p->drawPixmap(clipRect.topLeft(), *(m_pages.current()), clipRect); 539 p->drawPixmap(clipRect.topLeft(), *(m_pages.current()), clipRect);
532} 540}