src/messagewindow.cpp

   1 /*
   2   Copyright 2013-2015 Mats Sjöberg
   3
   4   This file is part of the Pumpa programme.
   5
   6   Pumpa is free software: you can redistribute it and/or modify it
   7   under the terms of the GNU General Public License as published by
   8   the Free Software Foundation, either version 3 of the License, or
   9   (at your option) any later version.
  10
  11   Pumpa is distributed in the hope that it will be useful, but WITHOUT
  12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  14   License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with Pumpa.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "messagewindow.h"
  21 #include "pumpa_defines.h"
  22 #include "pumpasettings.h"
  23 #include "util.h"
  24
  25 #include <QFileDialog>
  26 #include <QMessageBox>
  27 #include <QInputDialog>
  28
  29 //------------------------------------------------------------------------------
  30
  31 const int max_picture_size = 160;
  32
  33 //------------------------------------------------------------------------------
  34
  35 PictureLabel::PictureLabel(QWidget* parent) : QLabel(parent) {}
  36
  37 //------------------------------------------------------------------------------
  38
  39 void PictureLabel::setOriginalPixmap(QPixmap p) {
  40   m_originalPixmap = p;
  41   setPixmap(p);
  42 }
  43
  44 //------------------------------------------------------------------------------
  45
  46 void PictureLabel::resizeEvent(QResizeEvent* event) {
  47   if (m_originalPixmap.isNull())
  48     return;
  49
  50   QSize size = event->size();
  51   setPixmap(m_originalPixmap.scaled(size, Qt::KeepAspectRatio));
  52 }
  53
  54 //------------------------------------------------------------------------------
  55
  56 MessageWindow::MessageWindow(PumpaSettings* s, const RecipientList* rl,
  57                              QWidget* parent) :
  58   QDialog(parent),
  59   m_addressLayout(NULL),
  60   m_editing(false),
  61   m_isReply(false),
  62   m_obj(NULL),
  63   m_s(s),
  64   m_rl(rl)
  65 {
  66   setMinimumSize(QSize(400,400));
  67   setWindowTitle(CLIENT_FANCY_NAME);
  68
  69   m_infoLabel = new QLabel(this);
  70
  71   m_markdownCheckBox = new QCheckBox(tr("Use Markdown"), this);
  72   connect(m_markdownCheckBox, SIGNAL(stateChanged(int)),
  73           this, SLOT(onMarkdownChecked(int)));
  74
  75   m_markupLabel = new QLabel(this);
  76   m_markupLabel->setText(QString("<a href=\"%2\">" + tr("[help]") + "</a>").
  77                        arg(MARKUP_DOC_URL));
  78   m_markupLabel->setOpenExternalLinks(true);
  79   m_markupLabel->setTextInteractionFlags(Qt::TextSelectableByMouse |
  80                                        Qt::LinksAccessibleByMouse);
  81
  82   m_infoLayout = new QHBoxLayout;
  83   m_infoLayout->addWidget(m_infoLabel);
  84   m_infoLayout->addStretch();
  85   m_infoLayout->addWidget(m_markdownCheckBox);
  86   m_infoLayout->addWidget(m_markupLabel);
  87
  88   m_toRecipients = new MessageRecipients(this);
  89   m_ccRecipients = new MessageRecipients(this);
  90
  91   m_toLabel = new QLabel(tr("To:"), this);
  92   m_ccLabel = new QLabel(tr("Cc:"), this);
  93
  94   m_addressLayout = new QFormLayout;
  95   m_addressLayout->addRow(m_toLabel, m_toRecipients);
  96   m_addressLayout->addRow(m_ccLabel, m_ccRecipients);
  97   m_addressLayout->setContentsMargins(0, 0, 0, 0);
  98
  99   m_addPictureButton = new TextToolButton(this);
 100   connect(m_addPictureButton, SIGNAL(clicked()), this, SLOT(onAddPicture()));
 101
 102   m_removePictureButton = new TextToolButton(tr("&Remove picture"), this);
 103   connect(m_removePictureButton, SIGNAL(clicked()),
 104           this, SLOT(onRemovePicture()));
 105
 106   m_addToButton = new TextToolButton(tr("+ &To"), this);
 107   connect(m_addToButton, SIGNAL(clicked()), this, SLOT(onAddTo()));
 108
 109   m_addCcButton = new TextToolButton(tr("+ &Cc"), this);
 110   connect(m_addCcButton, SIGNAL(clicked()), this, SLOT(onAddCc()));
 111
 112   m_pictureButtonLayout = new QHBoxLayout;
 113   m_pictureButtonLayout->addWidget(m_addPictureButton, 0, Qt::AlignTop);
 114   m_pictureButtonLayout->addWidget(m_removePictureButton, 0, Qt::AlignTop);
 115   m_pictureButtonLayout->addStretch();
 116   m_pictureButtonLayout->addWidget(m_addToButton, 0, Qt::AlignTop);
 117   m_pictureButtonLayout->addWidget(m_addCcButton, 0, Qt::AlignTop);
 118
 119   m_pictureLabel = new PictureLabel(this);
 120   // m_pictureLabel->setScaledContents(true);
 121   m_pictureLabel->setMaximumSize(max_picture_size, max_picture_size);
 122   m_pictureLabel->setFocusPolicy(Qt::NoFocus);
 123   m_pictureLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 124
 125   m_title = new QLineEdit(this);
 126 #if QT_VERSION >= 0x040700
 127   m_title->setPlaceholderText(tr("Title (optional)"));
 128 #endif
 129   connect(m_title, SIGNAL(textChanged(const QString&)),
 130           this, SLOT(updatePreview()));
 131
 132   m_textEdit = new MessageEdit(m_s, this);
 133   connect(m_textEdit, SIGNAL(ready()), this, SLOT(accept()));
 134   connect(m_textEdit, SIGNAL(textChanged()), this, SLOT(updatePreview()));
 135   connect(m_textEdit, SIGNAL(addRecipient(QASActor*)),
 136           this, SLOT(onAddRecipient(QASActor*)));
 137
 138   m_previewLabel = new RichTextLabel;
 139   m_previewLabel->setSizePolicy(QSizePolicy::Ignored,
 140                                 QSizePolicy::Maximum);
 141   m_previewArea = new QScrollArea(this);
 142   m_previewArea->setWidget(m_previewLabel);
 143
 144   m_previewArea->setWidgetResizable(true);
 145
 146   m_charCountLabel = new QLabel(this);
 147
 148   QWidget* qw = new QWidget(this);
 149   QVBoxLayout* qwLayout = new QVBoxLayout;
 150   qwLayout->addWidget(m_textEdit);
 151   qwLayout->addWidget(m_charCountLabel);
 152   qwLayout->setMargin(0);
 153   qw->setLayout(qwLayout);
 154
 155   m_splitter = new QSplitter(Qt::Vertical, this);
 156   m_splitter->addWidget(qw);
 157   m_splitter->addWidget(m_previewArea);
 158   m_splitter->setChildrenCollapsible(false);
 159
 160   m_layout = new QVBoxLayout;
 161   m_layout->addLayout(m_infoLayout);
 162   m_layout->addLayout(m_addressLayout);
 163   m_layout->addLayout(m_pictureButtonLayout);
 164   m_layout->addWidget(m_pictureLabel, 0, Qt::AlignHCenter);
 165   m_layout->addWidget(m_title);
 166   m_layout->addWidget(m_splitter);
 167
 168   m_cancelButton = new QPushButton(tr("Ca&ncel"));
 169   connect(m_cancelButton, SIGNAL(clicked()), this, SLOT(reject()));
 170
 171   m_previewButton = new QPushButton(tr("&Preview"));
 172   connect(m_previewButton, SIGNAL(clicked()), this, SLOT(togglePreview()));
 173
 174   m_sendButton = new QPushButton(tr("&Send message"));
 175   connect(m_sendButton, SIGNAL(clicked()), this, SLOT(accept()));
 176   m_sendButton->setDefault(true);
 177
 178   m_buttonLayout = new QHBoxLayout;
 179   m_buttonLayout->addWidget(m_cancelButton);
 180   m_buttonLayout->addWidget(m_previewButton);
 181   m_buttonLayout->addWidget(m_sendButton);
 182   m_layout->addLayout(m_buttonLayout);
 183
 184   setLayout(m_layout);
 185
 186   m_textEdit->setFocus(Qt::OtherFocusReason);
 187
 188   QTextCursor cursor = m_textEdit->textCursor();
 189   cursor.movePosition(QTextCursor::End);
 190   m_textEdit->setTextCursor(cursor);
 191 }
 192
 193 //------------------------------------------------------------------------------
 194
 195 void MessageWindow::onMarkdownChecked(int state) {
 196   if (!m_editing) {
 197     if (state == Qt::Unchecked) {
 198       m_s->useMarkdown(false);
 199     } else {
 200       m_s->useMarkdown(true);
 201     }
 202   }
 203   updatePreview();
 204 }
 205
 206 //------------------------------------------------------------------------------
 207
 208 void MessageWindow::setCompletions(const MessageEdit::completion_t*
 209                                    completions) {
 210   if (m_textEdit)
 211     m_textEdit->setCompletions(completions);
 212 }
 213
 214 //------------------------------------------------------------------------------
 215
 216 void MessageWindow::addToRecipientList(QString name, QASObject* obj) {
 217   m_recipientList.append(name);
 218   if (!m_recipientSelection.contains(name))
 219     m_recipientSelection.insert(name, obj);
 220 }
 221
 222 //------------------------------------------------------------------------------
 223
 224 void MessageWindow::addRecipientWindow(MessageRecipients* mr, QString title) {
 225   QInputDialog* dialog = new QInputDialog(this);
 226   // dialog->setOption(QInputDialog::UseListViewForComboBoxItems);
 227   dialog->setComboBoxItems(m_recipientList);
 228   dialog->setComboBoxEditable(true);
 229   dialog->setLabelText(title);
 230   dialog->setInputMode(QInputDialog::TextInput);
 231   dialog->setWindowTitle(CLIENT_FANCY_NAME);
 232
 233   dialog->exec();
 234
 235   if (dialog->result() == QDialog::Accepted) {
 236     QString text = dialog->textValue();
 237     if (m_recipientSelection.contains(text))
 238       mr->addRecipient(m_recipientSelection[text]);
 239   }
 240 }
 241
 242 //------------------------------------------------------------------------------
 243
 244 void MessageWindow::onAddTo() {
 245   addRecipientWindow(m_toRecipients, tr("Select recipient (To)"));
 246 }
 247
 248 //------------------------------------------------------------------------------
 249
 250 void MessageWindow::onAddCc() {
 251   addRecipientWindow(m_ccRecipients, tr("Select recipient (Cc)"));
 252 }
 253
 254 //------------------------------------------------------------------------------
 255
 256 void MessageWindow::onAddRecipient(QASActor* actor) {
 257   m_toRecipients->addRecipient(actor);
 258 }
 259
 260 //------------------------------------------------------------------------------
 261
 262 void MessageWindow::initWindow(QString title, QString buttonText,
 263                                bool showRecipients) {
 264   setWindowTitle(QString(CLIENT_FANCY_NAME) + " - " + title);
 265   m_infoLabel->setText(title);
 266
 267   m_sendButton->setText(buttonText);
 268
 269   m_markdownCheckBox->setChecked(m_s->useMarkdown() || m_editing);
 270
 271   m_previewArea->setVisible(m_s->showPreview());
 272
 273   m_toRecipients->setVisible(showRecipients);
 274   m_ccRecipients->setVisible(showRecipients);
 275   m_toLabel->setVisible(showRecipients);
 276   m_ccLabel->setVisible(showRecipients);
 277   m_addToButton->setVisible(showRecipients);
 278   m_addCcButton->setVisible(showRecipients);
 279
 280   m_charCountLabel->setVisible(m_s->showCharCount());
 281
 282   updatePreview(true);
 283   updateAddPicture();
 284 }
 285
 286 //------------------------------------------------------------------------------
 287
 288 void MessageWindow::newMessage(QASObject* obj, QASObjectList* to,
 289                                QASObjectList* cc) {
 290   if (m_editing)
 291     clear();
 292
 293   m_editing = false;
 294
 295   QASObject* origObj = obj;
 296   if (obj && !m_s->commentOnComments() && obj->inReplyTo())
 297     obj = obj->inReplyTo();
 298
 299   m_isReply = (obj != NULL);
 300   m_obj = obj;
 301
 302   if (m_isReply)
 303     m_title->clear();
 304
 305   QString title = m_isReply ? tr("Post a reply") : tr("Post a note");
 306   QString buttonText = m_isReply ? tr("&Send comment") : tr("&Send post");
 307
 308   initWindow(title, buttonText, true);
 309
 310   m_recipientList.clear();
 311   for (int i=0; i<m_rl->size(); ++i) {
 312     QASObject* obj = m_rl->at(i);
 313     addToRecipientList(obj->displayName() + " (list)", obj);
 314   }
 315
 316   m_markdownCheckBox->setEnabled(true);
 317
 318   const MessageEdit::completion_t* completions = m_textEdit->getCompletions();
 319   MessageEdit::completion_t::const_iterator it = completions->constBegin();
 320   for (; it != completions->constEnd(); ++it)
 321     addToRecipientList(it.key(), it.value());
 322
 323   if (!m_isReply) {
 324     // A new post, use default recipients
 325     setDefaultRecipients(m_toRecipients, m_s->defaultToAddress());
 326     setDefaultRecipients(m_ccRecipients, m_s->defaultCcAddress());
 327   } else {
 328     // For a reply, copy recipients from parent
 329     copyRecipients(m_toRecipients, to);
 330     copyRecipients(m_ccRecipients, cc);
 331
 332     // add original post author to recipients
 333     if (obj->author() && !obj->author()->isYou())
 334       m_toRecipients->addRecipient(obj->author());
 335
 336     // if this is a reply to a comment add comment author to
 337     // recipients as well
 338     if (origObj != obj && origObj->author() && !origObj->author()->isYou())
 339       m_toRecipients->addRecipient(origObj->author());
 340   }
 341 }
 342
 343 //------------------------------------------------------------------------------
 344
 345 void MessageWindow::editMessage(QASObject* obj) {
 346   m_editing = true;
 347   m_obj = obj;
 348
 349   QString type = obj->type();
 350   m_isReply = type == "comment";
 351
 352   QString title = tr("Edit object");
 353   // we do this for the sake of easier translation
 354   if (type == "note")
 355     title = tr("Edit post");
 356   else if (type == "comment")
 357     title = tr("Edit comment");
 358   else if (type == "image")
 359     title = tr("Edit image post");
 360
 361   QString buttonText = tr("&Update object");
 362   // we do this for the sake of easier translation
 363   if (type == "note")
 364     buttonText = tr("&Update post");
 365   else if (type == "comment")
 366     buttonText = tr("&Update comment");
 367   else if (type == "image")
 368     buttonText = tr("&Update image post");
 369
 370   m_markdownCheckBox->setEnabled(false);
 371
 372   m_textEdit->setPlainText(obj->content());
 373   m_title->setText(obj->displayName());
 374
 375   initWindow(title, buttonText, false);
 376 }
 377
 378 //------------------------------------------------------------------------------
 379
 380 void MessageWindow::copyRecipients(MessageRecipients* mr, QASObjectList* ol) {
 381   mr->clear();
 382   if (ol) {
 383     RecipientList rl = ol->toRecipientList();
 384     for (int i=0; i<rl.size(); ++i) {
 385       QASActor* actor = rl[i]->asActor();
 386       bool isYou = actor && actor->isYou();
 387
 388       if (!isYou && !rl[i]->type().isEmpty())
 389         mr->addRecipient(rl[i]);
 390     }
 391   }
 392 }
 393
 394 //------------------------------------------------------------------------------
 395
 396 void MessageWindow::setDefaultRecipients(MessageRecipients* mr,
 397                                          int defAddress) {
 398   mr->clear();
 399   if (defAddress == RECIPIENT_PUBLIC)
 400     mr->addRecipient(m_rl->at(0));
 401   if (defAddress == RECIPIENT_FOLLOWERS)
 402     mr->addRecipient(m_rl->at(1));
 403 }
 404
 405 //------------------------------------------------------------------------------
 406
 407 void MessageWindow::clear() {
 408   m_imageFileName = "";
 409   m_textEdit->clear();
 410   m_title->clear();
 411   m_previewLabel->setText("");
 412 }
 413
 414 //------------------------------------------------------------------------------
 415
 416 void MessageWindow::showEvent(QShowEvent*) {
 417   m_textEdit->setFocus(Qt::OtherFocusReason);
 418   m_textEdit->selectAll();
 419   activateWindow();
 420 }
 421
 422 //------------------------------------------------------------------------------
 423
 424 void MessageWindow::accept() {
 425   m_textEdit->hideCompletion();
 426   QString msg = m_textEdit->toPlainText();
 427
 428   RecipientList to = m_toRecipients->recipients();
 429   RecipientList cc = m_ccRecipients->recipients();
 430
 431   QString title = m_title->text();
 432
 433   if (m_editing) {
 434     emit sendEdit(m_obj, msg, title);
 435   } else if (m_isReply) {
 436     emit sendReply(m_obj, msg, to, cc);
 437   } else {
 438     if (m_imageFileName.isEmpty()) {
 439       emit sendMessage(msg, title, to, cc);
 440     } else {
 441       emit sendImage(msg, title, m_imageFileName, to, cc);
 442     }
 443   }
 444   QDialog::accept();
 445 }
 446
 447 //------------------------------------------------------------------------------
 448
 449 void MessageWindow::onAddPicture() {
 450   QString fileName =
 451     QFileDialog::getOpenFileName(this, tr("Select Image"), "",
 452                                  tr("Image files (*.png *.jpg *.jpeg *.gif)"
 453                                     ";;All files (*.*)"));
 454
 455   if (!fileName.isEmpty()) {
 456     m_imageFileName = fileName;
 457     updateAddPicture();
 458   }
 459 }
 460
 461 //------------------------------------------------------------------------------
 462
 463 void MessageWindow::onRemovePicture() {
 464   m_imageFileName = "";
 465   updateAddPicture();
 466 }
 467
 468 //------------------------------------------------------------------------------
 469
 470 void MessageWindow::updateAddPicture() {
 471   if (m_isReply || m_editing) {
 472     m_addPictureButton->setVisible(false);
 473     m_removePictureButton->setVisible(false);
 474     m_pictureLabel->setVisible(false);
 475     m_title->setVisible(!m_isReply);
 476     m_removePictureButton->setVisible(false);
 477     return;
 478   }
 479
 480   QPixmap p;
 481   if (!m_imageFileName.isEmpty()) {
 482     p.load(m_imageFileName);
 483     if (p.isNull()) {
 484       QMessageBox::critical(this, tr("Sorry!"),
 485                             tr("That file didn't appear to be an image."));
 486       m_imageFileName = "";
 487     }
 488   }
 489
 490   m_addPictureButton->setVisible(true);
 491   m_title->setVisible(true);
 492   if (m_imageFileName.isEmpty()) {
 493     m_addPictureButton->setText(tr("&Add picture"));
 494     m_removePictureButton->setVisible(false);
 495     m_pictureLabel->setVisible(false);
 496   } else {
 497     QPixmap scaledPixmap = p.scaled(max_picture_size,
 498                                     max_picture_size,
 499                                     Qt::KeepAspectRatio);
 500     m_pictureLabel->setOriginalPixmap(scaledPixmap);
 501     m_addPictureButton->setText(tr("&Change picture"));
 502     m_removePictureButton->setVisible(true);
 503     m_pictureLabel->setVisible(true);
 504   }
 505 }
 506
 507 //------------------------------------------------------------------------------
 508
 509 void MessageWindow::updatePreview(bool force) {
 510   QString previewText = addTextMarkup(m_textEdit->toPlainText(),
 511                                       m_s->useMarkdown() || m_editing);
 512   if (m_charCountLabel->isVisible() || force) {
 513     QString strippedText = previewText;
 514     strippedText.remove(QRegExp(HTML_TAG_REGEX));
 515 #ifdef DEBUG_MARKUP
 516     qDebug() << "STRIPPEDTEXT" << strippedText;
 517 #endif
 518     QString ccText = QString(tr("Characters: %1")).arg(strippedText.count());
 519     m_charCountLabel->setText(ccText);
 520   }
 521
 522   if (m_previewArea->isVisible() || force) {
 523     QString titleText = processTitle(m_title->text(), true);
 524     if (!titleText.isEmpty())
 525       previewText = "<p><b>" + titleText + "</b></p>" + previewText;
 526     m_previewLabel->setText(previewText);
 527   }
 528 }
 529
 530 //------------------------------------------------------------------------------
 531
 532 void MessageWindow::togglePreview() {
 533   bool visible = !m_previewArea->isVisible();
 534   m_previewArea->setVisible(visible);
 535   m_s->showPreview(visible);
 536   updatePreview();
 537   m_textEdit->setFocus(Qt::OtherFocusReason);
 538 }