git.sur5r.net Git - minitube/blob - src/searchview.cpp

   1 /* $BEGIN_LICENSE
   2
   3 This file is part of Minitube.
   4 Copyright 2009, Flavio Tordini <flavio.tordini@gmail.com>
   5
   6 Minitube is free software: you can redistribute it and/or modify
   7 it 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 Minitube is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with Minitube.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 $END_LICENSE */
  20
  21 #include "searchview.h"
  22 #include "constants.h"
  23 #include "fontutils.h"
  24 #include "searchparams.h"
  25 #include "ytsuggester.h"
  26 #include "channelsuggest.h"
  27 #ifdef APP_MAC_SEARCHFIELD
  28 #include "searchlineedit_mac.h"
  29 #else
  30 #include "searchlineedit.h"
  31 #endif
  32 #ifdef APP_EXTRA
  33 #include "extra.h"
  34 #endif
  35 #ifdef APP_ACTIVATION
  36 #include "activation.h"
  37 #endif
  38 #include "mainwindow.h"
  39 #include "painterutils.h"
  40 #include "iconutils.h"
  41
  42 namespace The {
  43 QHash<QString, QAction*>* globalActions();
  44 }
  45
  46 static const QString recentKeywordsKey = "recentKeywords";
  47 static const QString recentChannelsKey = "recentChannels";
  48 static const int PADDING = 30;
  49
  50 SearchView::SearchView(QWidget *parent) : View(parent) {
  51
  52 #if defined(APP_MAC) | defined(APP_WIN)
  53     // speedup painting since we'll paint the whole background
  54     // by ourselves anyway in paintEvent()
  55     setAttribute(Qt::WA_OpaquePaintEvent);
  56 #endif
  57
  58     QBoxLayout *mainLayout = new QVBoxLayout(this);
  59     mainLayout->setMargin(PADDING);
  60     mainLayout->setSpacing(0);
  61
  62     // hidden message widget
  63     message = new QLabel(this);
  64     message->hide();
  65     mainLayout->addWidget(message);
  66
  67     mainLayout->addStretch();
  68
  69     QBoxLayout *hLayout = new QHBoxLayout();
  70     hLayout->setAlignment(Qt::AlignCenter);
  71     mainLayout->addLayout(hLayout);
  72
  73     QLabel *logo = new QLabel(this);
  74     logo->setPixmap(IconUtils::pixmap(":/images/app.png"));
  75     hLayout->addWidget(logo, 0, Qt::AlignTop);
  76     hLayout->addSpacing(PADDING);
  77
  78     QVBoxLayout *layout = new QVBoxLayout();
  79     layout->setAlignment(Qt::AlignCenter);
  80     hLayout->addLayout(layout);
  81
  82     QLabel *welcomeLabel =
  83             new QLabel("<h1 style='font-weight:100'>" +
  84                        tr("Welcome to <a href='%1'>%2</a>,")
  85                        .replace("<a ", "<a style='text-decoration:none; color:palette(text);font-weight:normal' ")
  86                        .arg(Constants::WEBSITE, Constants::NAME)
  87                        + "</h1>", this);
  88     welcomeLabel->setOpenExternalLinks(true);
  89     welcomeLabel->setProperty("heading", true);
  90 #ifdef APP_MAC
  91     QFont f = welcomeLabel->font();
  92     f.setFamily("Helvetica Neue");
  93     f.setStyleName("Thin");
  94     welcomeLabel->setFont(f);
  95 #elif APP_WIN
  96     QFont f = welcomeLabel->font();
  97     f.setFamily("Segoe UI Light");
  98     welcomeLabel->setFont(f);
  99 #endif
 100     layout->addWidget(welcomeLabel);
 101
 102     layout->addSpacing(PADDING / 2);
 103
 104     QBoxLayout *tipLayout = new QHBoxLayout();
 105     tipLayout->setSpacing(10);
 106
 107 #ifndef APP_MAC
 108     const QFont &biggerFont = FontUtils::big();
 109 #endif
 110
 111     //: "Enter", as in "type". The whole phrase says: "Enter a keyword to start watching videos"
 112     QLabel *tipLabel = new QLabel(tr("Enter"), this);
 113 #ifndef APP_MAC
 114     tipLabel->setFont(biggerFont);
 115 #endif
 116     tipLayout->addWidget(tipLabel);
 117
 118     typeCombo = new QComboBox(this);
 119     typeCombo->addItem(tr("a keyword"));
 120     typeCombo->addItem(tr("a channel"));
 121 #ifndef APP_MAC
 122     typeCombo->setFont(biggerFont);
 123 #endif
 124     connect(typeCombo, SIGNAL(currentIndexChanged(int)), SLOT(searchTypeChanged(int)));
 125     tipLayout->addWidget(typeCombo);
 126
 127     tipLabel = new QLabel(tr("to start watching videos."), this);
 128 #ifndef APP_MAC
 129     tipLabel->setFont(biggerFont);
 130 #endif
 131     tipLayout->addWidget(tipLabel);
 132     layout->addLayout(tipLayout);
 133
 134     layout->addSpacing(PADDING / 2);
 135
 136     QHBoxLayout *searchLayout = new QHBoxLayout();
 137     searchLayout->setAlignment(Qt::AlignVCenter);
 138
 139 #ifdef APP_MAC_SEARCHFIELD
 140     queryEdit = new SearchLineEditMac(this);
 141 #else
 142     SearchLineEdit *sle = new SearchLineEdit(this);
 143     sle->setFont(biggerFont);
 144     queryEdit = sle;
 145 #endif
 146
 147     connect(queryEdit->toWidget(), SIGNAL(search(const QString&)), SLOT(watch(const QString&)));
 148     connect(queryEdit->toWidget(), SIGNAL(textChanged(const QString &)), SLOT(textChanged(const QString &)));
 149     connect(queryEdit->toWidget(), SIGNAL(suggestionAccepted(Suggestion*)), SLOT(suggestionAccepted(Suggestion*)));
 150
 151     youtubeSuggest = new YTSuggester(this);
 152     channelSuggest = new ChannelSuggest(this);
 153     searchTypeChanged(0);
 154
 155     searchLayout->addWidget(queryEdit->toWidget());
 156     searchLayout->addSpacing(10);
 157
 158     watchButton = new QPushButton(tr("Watch"), this);
 159 #ifndef APP_MAC
 160     watchButton->setFont(biggerFont);
 161 #endif
 162     watchButton->setDefault(true);
 163     watchButton->setEnabled(false);
 164     watchButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
 165     connect(watchButton, SIGNAL(clicked()), this, SLOT(watch()));
 166     searchLayout->addWidget(watchButton);
 167
 168     layout->addItem(searchLayout);
 169
 170     layout->addSpacing(PADDING / 2);
 171
 172     QHBoxLayout *otherLayout = new QHBoxLayout();
 173     otherLayout->setMargin(0);
 174     otherLayout->setSpacing(10);
 175
 176     recentKeywordsLayout = new QVBoxLayout();
 177     recentKeywordsLayout->setSpacing(5);
 178     recentKeywordsLayout->setAlignment(Qt::AlignTop | Qt::AlignLeft);
 179     recentKeywordsLabel = new QLabel(tr("Recent keywords"), this);
 180     recentKeywordsLabel->setProperty("recentHeader", true);
 181     recentKeywordsLabel->hide();
 182     recentKeywordsLayout->addWidget(recentKeywordsLabel);
 183
 184     otherLayout->addLayout(recentKeywordsLayout);
 185
 186     // recent channels
 187     recentChannelsLayout = new QVBoxLayout();
 188     recentChannelsLayout->setSpacing(5);
 189     recentChannelsLayout->setAlignment(Qt::AlignTop | Qt::AlignLeft);
 190     recentChannelsLabel = new QLabel(tr("Recent channels"), this);
 191     recentChannelsLabel->setProperty("recentHeader", true);
 192     recentChannelsLabel->setForegroundRole(QPalette::Dark);
 193     recentChannelsLabel->hide();
 194     recentChannelsLayout->addWidget(recentChannelsLabel);
 195
 196     otherLayout->addLayout(recentChannelsLayout);
 197
 198     layout->addLayout(otherLayout);
 199
 200     mainLayout->addStretch();
 201
 202 #ifdef APP_ACTIVATION
 203     if (!Activation::instance().isActivated())
 204         mainLayout->addWidget(Extra::buyButton(tr("Get the full version")), 0, Qt::AlignRight);
 205 #endif
 206 }
 207
 208 void SearchView::appear() {
 209     MainWindow::instance()->showActionInStatusBar(The::globalActions()->value("definition"), true);
 210
 211     updateRecentKeywords();
 212     updateRecentChannels();
 213     queryEdit->selectAll();
 214     queryEdit->enableSuggest();
 215
 216     if (!queryEdit->toWidget()->hasFocus()) queryEdit->toWidget()->setFocus();
 217 }
 218
 219 void SearchView::disappear() {
 220     MainWindow::instance()->showActionInStatusBar(The::globalActions()->value("definition"), false);
 221 }
 222
 223 void SearchView::updateRecentKeywords() {
 224     // load
 225     QSettings settings;
 226     QStringList keywords = settings.value(recentKeywordsKey).toStringList();
 227     if (keywords == recentKeywords) return;
 228     recentKeywords = keywords;
 229
 230     // cleanup
 231     QLayoutItem *item;
 232     while ((item = recentKeywordsLayout->takeAt(1)) != 0) {
 233         item->widget()->close();
 234         delete item;
 235     }
 236
 237     recentKeywordsLabel->setVisible(!keywords.isEmpty());
 238     The::globalActions()->value("clearRecentKeywords")->setEnabled(!keywords.isEmpty());
 239
 240     foreach (const QString &keyword, keywords) {
 241         QString link = keyword;
 242         QString display = keyword;
 243         if (keyword.startsWith("http://") || keyword.startsWith("https://")) {
 244             int separator = keyword.indexOf("|");
 245             if (separator > 0 && separator + 1 < keyword.length()) {
 246                 link = keyword.left(separator);
 247                 display = keyword.mid(separator+1);
 248             }
 249         }
 250         bool needStatusTip = false;
 251         if (display.length() > 24) {
 252             display.truncate(24);
 253             display.append("...");
 254             needStatusTip = true;
 255         }
 256         QLabel *itemLabel = new QLabel("<a href=\"" + link
 257                                        + "\" style=\"color:palette(text); text-decoration:none\">"
 258                                        + display + "</a>", this);
 259         itemLabel->setAttribute(Qt::WA_DeleteOnClose);
 260         itemLabel->setProperty("recentItem", true);
 261         itemLabel->setMaximumWidth(queryEdit->toWidget()->width() + watchButton->width());
 262         itemLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
 263         // Make links navigable with the keyboard too
 264         itemLabel->setTextInteractionFlags(Qt::LinksAccessibleByKeyboard | Qt::LinksAccessibleByMouse);
 265         if (needStatusTip)
 266             itemLabel->setStatusTip(link);
 267         connect(itemLabel, SIGNAL(linkActivated(QString)), this, SLOT(watchKeywords(QString)));
 268         recentKeywordsLayout->addWidget(itemLabel);
 269     }
 270
 271 }
 272
 273 void SearchView::updateRecentChannels() {
 274     // load
 275     QSettings settings;
 276     QStringList keywords = settings.value(recentChannelsKey).toStringList();
 277     if (keywords == recentChannels) return;
 278     recentChannels = keywords;
 279
 280     // cleanup
 281     QLayoutItem *item;
 282     while ((item = recentChannelsLayout->takeAt(1)) != 0) {
 283         item->widget()->close();
 284         delete item;
 285     }
 286
 287     recentChannelsLabel->setVisible(!keywords.isEmpty());
 288     // TODO The::globalActions()->value("clearRecentKeywords")->setEnabled(!keywords.isEmpty());
 289
 290     foreach (const QString &keyword, keywords) {
 291         QString link = keyword;
 292         QString display = keyword;
 293         int separator = keyword.indexOf('|');
 294         if (separator > 0 && separator + 1 < keyword.length()) {
 295             link = keyword.left(separator);
 296             display = keyword.mid(separator+1);
 297         }
 298         QLabel *itemLabel = new QLabel("<a href=\"" + link
 299                                        + "\" style=\"color:palette(text); text-decoration:none\">"
 300                                        + display + "</a>", this);
 301         itemLabel->setAttribute(Qt::WA_DeleteOnClose);
 302         itemLabel->setProperty("recentItem", true);
 303         itemLabel->setMaximumWidth(queryEdit->toWidget()->width() + watchButton->width());
 304         // itemLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
 305         // Make links navigable with the keyboard too
 306         itemLabel->setTextInteractionFlags(Qt::LinksAccessibleByKeyboard | Qt::LinksAccessibleByMouse);
 307
 308         connect(itemLabel, SIGNAL(linkActivated(QString)), this, SLOT(watchChannel(QString)));
 309         recentChannelsLayout->addWidget(itemLabel);
 310     }
 311
 312 }
 313
 314 void SearchView::watch() {
 315     QString query = queryEdit->text();
 316     watch(query);
 317 }
 318
 319 void SearchView::textChanged(const QString &text) {
 320     watchButton->setEnabled(!text.simplified().isEmpty());
 321 }
 322
 323 void SearchView::watch(const QString &query) {
 324     QString q = query.simplified();
 325
 326     // check for empty query
 327     if (q.length() == 0) {
 328         queryEdit->toWidget()->setFocus(Qt::OtherFocusReason);
 329         return;
 330     }
 331
 332     SearchParams *searchParams = new SearchParams();
 333     if (typeCombo->currentIndex() == 0)
 334         searchParams->setKeywords(q);
 335     else {
 336         // remove spaces from channel name
 337         q.remove(' ');
 338         searchParams->setChannelId(q);
 339         searchParams->setSortBy(SearchParams::SortByNewest);
 340     }
 341
 342     // go!
 343     emit search(searchParams);
 344 }
 345
 346 void SearchView::watchChannel(const QString &channelId) {
 347     if (channelId.length() == 0) {
 348         queryEdit->toWidget()->setFocus(Qt::OtherFocusReason);
 349         return;
 350     }
 351
 352     QString id = channelId;
 353
 354     // Fix old settings
 355     if (!id.startsWith("UC")) id = "UC" + id;
 356
 357     SearchParams *searchParams = new SearchParams();
 358     searchParams->setChannelId(id);
 359     searchParams->setSortBy(SearchParams::SortByNewest);
 360
 361     // go!
 362     emit search(searchParams);
 363 }
 364
 365 void SearchView::watchKeywords(const QString &query) {
 366     QString q = query.simplified();
 367
 368     // check for empty query
 369     if (query.length() == 0) {
 370         queryEdit->toWidget()->setFocus(Qt::OtherFocusReason);
 371         return;
 372     }
 373
 374     if (typeCombo->currentIndex() == 0) {
 375         queryEdit->setText(q);
 376         watchButton->setEnabled(true);
 377     }
 378
 379     SearchParams *searchParams = new SearchParams();
 380     searchParams->setKeywords(q);
 381
 382     // go!
 383     emit search(searchParams);
 384 }
 385
 386 void SearchView::paintEvent(QPaintEvent *event) {
 387     QWidget::paintEvent(event);
 388 #if defined(APP_MAC) | defined(APP_WIN)
 389     QBrush brush;
 390     if (window()->isActiveWindow()) {
 391         brush = Qt::white;
 392     } else {
 393         brush = palette().window();
 394     }
 395     QPainter painter(this);
 396     painter.fillRect(0, 0, width(), height(), brush);
 397     painter.end();
 398 #endif
 399 #ifdef APP_UBUNTU
 400     QStyleOption o;
 401     o.initFrom(this);
 402     QPainter p(this);
 403     style()->drawPrimitive(QStyle::PE_Widget, &o, &p, this);
 404 #endif
 405 }
 406
 407 void SearchView::searchTypeChanged(int index) {
 408     if (index == 0) {
 409         queryEdit->setSuggester(youtubeSuggest);
 410     } else {
 411         queryEdit->setSuggester(channelSuggest);
 412     }
 413     queryEdit->selectAll();
 414     queryEdit->toWidget()->setFocus();
 415 }
 416
 417 void SearchView::suggestionAccepted(Suggestion *suggestion) {
 418     if (suggestion->type == QLatin1String("channel")) {
 419         watchChannel(suggestion->userData);
 420     } else watch(suggestion->value);
 421 }