]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/qt4/GuiView.cpp
Use QFontMetrics information for underlines (and friends) width and position
[lyx.git] / src / frontends / qt4 / GuiView.cpp
index a7cbbe49fed44c0026419e1a63c88d1aa6974ee4..ed7835fcca2d419ebcf98da81f18b24c723d16e7 100644 (file)
@@ -32,6 +32,7 @@
 #include "TocModel.h"
 
 #include "qt_helpers.h"
+#include "support/filetools.h"
 
 #include "frontends/alert.h"
 #include "frontends/KeySymbol.h"
 #include <QSplitter>
 #include <QStackedWidget>
 #include <QStatusBar>
+#if QT_VERSION >= 0x050000
+#include <QSvgRenderer>
+#endif
 #include <QtConcurrentRun>
 #include <QTime>
 #include <QTimer>
 
 
 
+// sync with GuiAlert.cpp
 #define EXPORT_in_THREAD 1
 
 
@@ -148,7 +153,8 @@ namespace {
 class BackgroundWidget : public QWidget
 {
 public:
-       BackgroundWidget()
+       BackgroundWidget(int width, int height)
+               : width_(width), height_(height)
        {
                LYXERR(Debug::GUI, "show banner: " << lyxrc.show_banner);
                if (!lyxrc.show_banner)
@@ -156,26 +162,52 @@ public:
                /// The text to be written on top of the pixmap
                QString const text = lyx_version ?
                        qt_("version ") + lyx_version : qt_("unknown version");
-               splash_ = getPixmap("images/", "banner", "png");
+#if QT_VERSION >= 0x050000
+               QString imagedir = "images/";
+               FileName fname = imageLibFileSearch(imagedir, "banner", "svgz");
+               QSvgRenderer svgRenderer(toqstr(fname.absFileName()));
+               if (svgRenderer.isValid()) {
+                       splash_ = QPixmap(splashSize());
+                       QPainter painter(&splash_);
+                       svgRenderer.render(&painter);
+                       splash_.setDevicePixelRatio(pixelRatio());
+               } else {
+                       splash_ = getPixmap("images/", "banner", "png");
+               }
+#else
+               splash_ = getPixmap("images/", "banner", "svgz,png");
+#endif
 
                QPainter pain(&splash_);
                pain.setPen(QColor(0, 0, 0));
+               qreal const fsize = fontSize();
+               QPointF const position = textPosition();
+               LYXERR(Debug::GUI,
+                       "widget pixel ratio: " << pixelRatio() <<
+                       " splash pixel ratio: " << splashPixelRatio() <<
+                       " version text size,position: " << fsize << "@" << position.x() << "+" << position.y());
                QFont font;
                // The font used to display the version info
                font.setStyleHint(QFont::SansSerif);
                font.setWeight(QFont::Bold);
-               font.setPointSize(int(toqstr(lyxrc.font_sizes[FONT_SIZE_LARGE]).toDouble()));
+               font.setPointSizeF(fsize);
                pain.setFont(font);
-               pain.drawText(190, 225, text);
+               pain.drawText(position, text);
                setFocusPolicy(Qt::StrongFocus);
        }
 
        void paintEvent(QPaintEvent *)
        {
-               int x = (width() - splash_.width()) / 2;
-               int y = (height() - splash_.height()) / 2;
+               int const w = width_;
+               int const h = height_;
+               int const x = (width() - w) / 2;
+               int const y = (height() - h) / 2;
+               LYXERR(Debug::GUI,
+                       "widget pixel ratio: " << pixelRatio() <<
+                       " splash pixel ratio: " << splashPixelRatio() <<
+                       " paint pixmap: " << w << "x" << h << "@" << x << "+" << y);
                QPainter pain(this);
-               pain.drawPixmap(x, y, splash_);
+               pain.drawPixmap(x, y, w, h, splash_);
        }
 
        void keyPressEvent(QKeyEvent * ev)
@@ -192,6 +224,40 @@ public:
 
 private:
        QPixmap splash_;
+       int const width_;
+       int const height_;
+
+       /// Current ratio between physical pixels and device-independent pixels
+       double pixelRatio() const {
+#if QT_VERSION >= 0x050000
+               return devicePixelRatio();
+#else
+               return 1.0;
+#endif
+       }
+
+       qreal fontSize() const {
+               return toqstr(lyxrc.font_sizes[FONT_SIZE_NORMAL]).toDouble();
+       }
+
+       QPointF textPosition() const {
+               return QPointF(width_/2 - 18, height_/2 + 45);
+       }
+
+       QSize splashSize() const {
+               return QSize(
+                       static_cast<unsigned int>(width_ * pixelRatio()),
+                       static_cast<unsigned int>(height_ * pixelRatio()));
+       }
+
+       /// Ratio between physical pixels and device-independent pixels of splash image
+       double splashPixelRatio() const {
+#if QT_VERSION >= 0x050000
+               return splash_.devicePixelRatio();
+#else
+               return 1.0;
+#endif
+       }
 };
 
 
@@ -214,6 +280,8 @@ struct GuiView::GuiViewPrivate
                smallIconSize = 16;  // scaling problems
                normalIconSize = 20; // ok, default if iconsize.png is missing
                bigIconSize = 26;       // better for some math icons
+               hugeIconSize = 32;      // better for hires displays
+               giantIconSize = 48;
 
                // if it exists, use width of iconsize.png as normal size
                QString const dir = toqstr(addPath("images", lyxrc.icon_set));
@@ -222,14 +290,14 @@ struct GuiView::GuiViewPrivate
                        QImage image(toqstr(fn.absFileName()));
                        if (image.width() < int(smallIconSize))
                                normalIconSize = smallIconSize;
-                       else if (image.width() > int(bigIconSize))
-                               normalIconSize = bigIconSize;
+                       else if (image.width() > int(giantIconSize))
+                               normalIconSize = giantIconSize;
                        else
                                normalIconSize = image.width();
                }
 
                splitter_ = new QSplitter;
-               bg_widget_ = new BackgroundWidget;
+               bg_widget_ = new BackgroundWidget(400, 250);
                stack_widget_ = new QStackedWidget;
                stack_widget_->addWidget(bg_widget_);
                stack_widget_->addWidget(splitter_);
@@ -285,6 +353,20 @@ struct GuiView::GuiViewPrivate
                        parent, SLOT(bigSizedIcons()));
                menu->addAction(bigIcons);
 
+               QAction * hugeIcons = new QAction(iconSizeGroup);
+               hugeIcons->setText(qt_("Huge-sized icons"));
+               hugeIcons->setCheckable(true);
+               QObject::connect(hugeIcons, SIGNAL(triggered()),
+                       parent, SLOT(hugeSizedIcons()));
+               menu->addAction(hugeIcons);
+
+               QAction * giantIcons = new QAction(iconSizeGroup);
+               giantIcons->setText(qt_("Giant-sized icons"));
+               giantIcons->setCheckable(true);
+               QObject::connect(giantIcons, SIGNAL(triggered()),
+                       parent, SLOT(giantSizedIcons()));
+               menu->addAction(giantIcons);
+
                unsigned int cur = parent->iconSize().width();
                if ( cur == parent->d.smallIconSize)
                        smallIcons->setChecked(true);
@@ -292,6 +374,10 @@ struct GuiView::GuiViewPrivate
                        normalIcons->setChecked(true);
                else if (cur == parent->d.bigIconSize)
                        bigIcons->setChecked(true);
+               else if (cur == parent->d.hugeIconSize)
+                       hugeIcons->setChecked(true);
+               else if (cur == parent->d.giantIconSize)
+                       giantIcons->setChecked(true);
 
                return menu;
        }
@@ -379,6 +465,8 @@ public:
        unsigned int smallIconSize;
        unsigned int normalIconSize;
        unsigned int bigIconSize;
+       unsigned int hugeIconSize;
+       unsigned int giantIconSize;
        ///
        QTimer statusbar_timer_;
        /// auto-saving of buffers
@@ -420,7 +508,8 @@ QSet<Buffer const *> GuiView::GuiViewPrivate::busyBuffers;
 
 
 GuiView::GuiView(int id)
-       : d(*new GuiViewPrivate(this)), id_(id), closing_(false), busy_(0)
+       : d(*new GuiViewPrivate(this)), id_(id), closing_(false), busy_(0),
+         command_execute_(false)
 {
        // GuiToolbars *must* be initialised before the menu bar.
        normalSizedIcons(); // at least on Mac the default is 32 otherwise, which is huge
@@ -448,15 +537,15 @@ GuiView::GuiView(int id)
        // We don't want to keep the window in memory if it is closed.
        setAttribute(Qt::WA_DeleteOnClose, true);
 
-#if (!defined(Q_WS_WIN) && !defined(Q_WS_MACX))
+#if !(defined(Q_OS_WIN) || defined(Q_CYGWIN_WIN)) && !defined(Q_OS_MAC)
        // QIcon::fromTheme was introduced in Qt 4.6
 #if (QT_VERSION >= 0x040600)
        // assign an icon to main form. We do not do it under Qt/Win or Qt/Mac,
        // since the icon is provided in the application bundle. We use a themed
        // version when available and use the bundled one as fallback.
-       setWindowIcon(QIcon::fromTheme("lyx", getPixmap("images/", "lyx", "png")));
+       setWindowIcon(QIcon::fromTheme("lyx", getPixmap("images/", "lyx", "svg,png")));
 #else
-       setWindowIcon(getPixmap("images/", "lyx", "png"));
+       setWindowIcon(getPixmap("images/", "lyx", "svg,png"));
 #endif
 
 #endif
@@ -472,7 +561,8 @@ GuiView::GuiView(int id)
        // add busy indicator to statusbar
        QLabel * busylabel = new QLabel(statusBar());
        statusBar()->addPermanentWidget(busylabel);
-       QString fn = toqstr(lyx::libFileSearch("images", "busy.gif").absFileName());
+       search_mode mode = theGuiApp()->imageSearchMode();
+       QString fn = toqstr(lyx::libFileSearch("images", "busy", "gif", mode).absFileName());
        QMovie * busyanim = new QMovie(fn, QByteArray(), busylabel);
        busylabel->setMovie(busyanim);
        busyanim->start();
@@ -601,7 +691,7 @@ void GuiView::saveLayout() const
        QSettings settings;
        settings.beginGroup("views");
        settings.beginGroup(QString::number(id_));
-#ifdef Q_WS_X11
+#if defined(Q_WS_X11) || defined(QPA_XCB)
        settings.setValue("pos", pos());
        settings.setValue("size", size());
 #else
@@ -639,13 +729,15 @@ bool GuiView::restoreLayout()
        // Check whether session size changed.
        if (icon_size.width() != int(d.smallIconSize) &&
            icon_size.width() != int(d.normalIconSize) &&
-           icon_size.width() != int(d.bigIconSize)) {
+           icon_size.width() != int(d.bigIconSize) &&
+           icon_size.width() != int(d.hugeIconSize) &&
+           icon_size.width() != int(d.giantIconSize)) {
                icon_size.setWidth(d.normalIconSize);
                icon_size.setHeight(d.normalIconSize);
        }
        setIconSize(icon_size);
 
-#ifdef Q_WS_X11
+#if defined(Q_WS_X11) || defined(QPA_XCB)
        QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
        QSize size = settings.value("size", QSize(690, 510)).toSize();
        resize(size);
@@ -783,6 +875,16 @@ void GuiView::setFocus()
 }
 
 
+bool GuiView::hasFocus() const
+{
+       if (currentWorkArea())
+               return currentWorkArea()->hasFocus();
+       if (currentMainWorkArea())
+               return currentMainWorkArea()->hasFocus();
+       return d.bg_widget_->hasFocus();
+}
+
+
 void GuiView::focusInEvent(QFocusEvent * e)
 {
        LYXERR(Debug::DEBUG, "GuiView::focusInEvent()" << this);
@@ -826,6 +928,32 @@ bool GuiView::closeScheduled()
 }
 
 
+bool GuiView::prepareAllBuffersForLogout()
+{
+       Buffer * first = theBufferList().first();
+       if (!first)
+               return true;
+
+       // First, iterate over all buffers and ask the users if unsaved
+       // changes should be saved.
+       // We cannot use a for loop as the buffer list cycles.
+       Buffer * b = first;
+       do {
+               if (!saveBufferIfNeeded(const_cast<Buffer &>(*b), false))
+                       return false;
+               b = theBufferList().next(b);
+       } while (b != first);
+
+       // Next, save session state
+       // When a view/window was closed before without quitting LyX, there
+       // are already entries in the lastOpened list.
+       theSession().lastOpened().clear();
+       writeSession();
+
+       return true;
+}
+
+
 /** Destroy only all tabbed WorkAreas. Destruction of other WorkAreas
  ** is responsibility of the container (e.g., dialog)
  **/
@@ -983,6 +1111,18 @@ void GuiView::bigSizedIcons()
 }
 
 
+void GuiView::hugeSizedIcons()
+{
+       setIconSize(QSize(d.hugeIconSize, d.hugeIconSize));
+}
+
+
+void GuiView::giantSizedIcons()
+{
+       setIconSize(QSize(d.giantIconSize, d.giantIconSize));
+}
+
+
 void GuiView::clearMessage()
 {
        // FIXME: This code was introduced in r19643 to fix bug #4123. However,
@@ -1064,7 +1204,7 @@ void GuiView::on_lastWorkAreaRemoved()
                return;
        }
 
-#ifdef Q_WS_MACX
+#ifdef Q_OS_MAC
        // On Mac we also close the last window because the application stay
        // resident in memory. On other platforms we don't close the last
        // window because this would quit the application.
@@ -1204,6 +1344,23 @@ void GuiView::setBusy(bool busy)
 }
 
 
+void GuiView::resetCommandExecute()
+{
+       command_execute_ = false;
+       updateToolbars();
+}
+
+
+double GuiView::pixelRatio() const
+{
+#if QT_VERSION >= 0x050000
+       return devicePixelRatio();
+#else
+       return 1.0;
+#endif
+}
+       
+       
 GuiWorkArea * GuiView::workArea(int index)
 {
        if (TabWorkArea * twa = d.currentTabWorkArea())
@@ -1385,24 +1542,27 @@ void GuiView::updateToolbars()
 {
        ToolbarMap::iterator end = d.toolbars_.end();
        if (d.current_work_area_) {
-               bool const math =
-                       d.current_work_area_->bufferView().cursor().inMathed()
-                       && !d.current_work_area_->bufferView().cursor().inRegexped();
-               bool const table =
-                       lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
-               bool const review =
-                       lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
-                       lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onOff(true);
-               bool const mathmacrotemplate =
-                       lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled();
-               bool const ipa =
-                       lyx::getStatus(FuncRequest(LFUN_IN_IPA)).enabled();
+               int context = 0;
+               if (d.current_work_area_->bufferView().cursor().inMathed()
+                       && !d.current_work_area_->bufferView().cursor().inRegexped())
+                       context |= Toolbars::MATH;
+               if (lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled())
+                       context |= Toolbars::TABLE;
+               if (lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled()
+                       && lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onOff(true))
+                       context |= Toolbars::REVIEW;
+               if (lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled())
+                       context |= Toolbars::MATHMACROTEMPLATE;
+               if (lyx::getStatus(FuncRequest(LFUN_IN_IPA)).enabled())
+                       context |= Toolbars::IPA;
+               if (command_execute_)
+                       context |= Toolbars::MINIBUFFER;
 
                for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
-                       it->second->update(math, table, review, mathmacrotemplate, ipa);
+                       it->second->update(context);
        } else
                for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
-                       it->second->update(false, false, false, false, false);
+                       it->second->update();
 }
 
 
@@ -1593,6 +1753,21 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
        Buffer * doc_buffer = documentBufferView()
                ? &(documentBufferView()->buffer()) : 0;
 
+#ifdef Q_OS_MAC
+       /* In LyX/Mac, when a dialog is open, the menus of the
+          application can still be accessed without giving focus to
+          the main window. In this case, we want to disable the menu
+          entries that are buffer-related.
+          This code must not be used on Linux and Windows, since it
+          would disable buffer-related entries when hovering over the
+          menu (see bug #9574).
+        */
+       if (cmd.origin() == FuncRequest::MENU && !hasFocus()) {
+               buf = 0;
+               doc_buffer = 0;
+       }
+#endif
+
        // Check whether we need a buffer
        if (!lyxaction.funcHasFlag(cmd.action(), LyXAction::NoBuffer) && !buf) {
                // no, exit directly
@@ -1735,9 +1910,6 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                                || name == "texinfo"
                                || name == "progress"
                                || name == "compare";
-               else if (name == "print")
-                       enable = doc_buffer->params().isExportable("dvi")
-                               && lyxrc.print_command != "none";
                else if (name == "character" || name == "symbols"
                        || name == "mathdelimiter" || name == "mathmatrix") {
                        if (!buf || buf->isReadonly())
@@ -1815,9 +1987,13 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                enable = doc_buffer;
                break;
 
+       case LFUN_BUFFER_MOVE_NEXT:
+       case LFUN_BUFFER_MOVE_PREVIOUS:
+               // we do not cycle when moving
        case LFUN_BUFFER_NEXT:
        case LFUN_BUFFER_PREVIOUS:
-               // FIXME: should we check is there is an previous or next buffer?
+               // because we cycle, it doesn't matter whether on first or last
+               enable = (d.currentTabWorkArea()->count() > 1);
                break;
        case LFUN_BUFFER_SWITCH:
                // toggle on the current buffer, but do not toggle off
@@ -2810,7 +2986,7 @@ bool GuiView::inOtherView(Buffer & buf)
 }
 
 
-void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np)
+void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np, bool const move)
 {
        if (!documentBufferView())
                return;
@@ -2825,7 +3001,10 @@ void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np)
                                        next_index = (i == nwa - 1 ? 0 : i + 1);
                                else
                                        next_index = (i == 0 ? nwa - 1 : i - 1);
-                               setBuffer(&workArea(next_index)->bufferView().buffer());
+                               if (move)
+                                       twa->moveTab(i, next_index);
+                               else
+                                       setBuffer(&workArea(next_index)->bufferView().buffer());
                                break;
                        }
                }
@@ -2946,7 +3125,7 @@ void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
                        LyXVC::CommandResult ret = buffer->lyxvc().checkIn(log);
                        dr.setMessage(log);
                        // Only skip reloading if the checkin was cancelled or
-                       // an error occured before the real checkin VCS command
+                       // an error occurred before the real checkin VCS command
                        // was executed, since the VCS might have changed the
                        // file even if it could not checkin successfully.
                        if (ret == LyXVC::ErrorCommand || ret == LyXVC::VCSuccess)
@@ -3218,11 +3397,11 @@ bool GuiView::GuiViewPrivate::asyncBufferProcessing(
        if (format.empty())
                format = used_buffer->params().getDefaultOutputFormat();
        processing_format = format;
-#if EXPORT_in_THREAD
        if (!msg.empty()) {
                progress_->clearMessages();
                gv_->message(msg);
        }
+#if EXPORT_in_THREAD
        GuiViewPrivate::busyBuffers.insert(used_buffer);
        Buffer * cloned_buffer = used_buffer->cloneFromMaster();
        if (!cloned_buffer) {
@@ -3439,22 +3618,23 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                }
 
                case LFUN_BUFFER_NEXT:
-                       gotoNextOrPreviousBuffer(NEXTBUFFER);
+                       gotoNextOrPreviousBuffer(NEXTBUFFER, false);
+                       break;
+
+               case LFUN_BUFFER_MOVE_NEXT:
+                       gotoNextOrPreviousBuffer(NEXTBUFFER, true);
                        break;
 
                case LFUN_BUFFER_PREVIOUS:
-                       gotoNextOrPreviousBuffer(PREVBUFFER);
+                       gotoNextOrPreviousBuffer(PREVBUFFER, false);
+                       break;
+
+               case LFUN_BUFFER_MOVE_PREVIOUS:
+                       gotoNextOrPreviousBuffer(PREVBUFFER, true);
                        break;
 
                case LFUN_COMMAND_EXECUTE: {
-                       bool const show_it = cmd.argument() != "off";
-                       // FIXME: this is a hack, "minibuffer" should not be
-                       // hardcoded.
-                       if (GuiToolbar * t = toolbar("minibuffer")) {
-                               t->setVisible(show_it);
-                               if (show_it && t->commandBuffer())
-                                       t->commandBuffer()->setFocus();
-                       }
+                       command_execute_ = true;
                        break;
                }
                case LFUN_DROP_LAYOUTS_CHOICE:
@@ -3834,6 +4014,18 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                if (menuBar()->isVisible() && lyxrc.full_screen_menubar)
                        menuBar()->hide();
        }
+
+       // Need to update bv because many LFUNs here might have destroyed it
+       bv = currentBufferView();
+
+       // Clear non-empty selections
+        // (e.g. from a "char-forward-select" followed by "char-backward-select")
+       if (bv) {
+               Cursor & cur = bv->cursor();
+               if ((cur.selection() && cur.selBegin() == cur.selEnd())) {
+                       cur.clearSelection();
+               }
+       }
 }
 
 
@@ -4238,8 +4430,6 @@ Dialog * GuiView::build(string const & name)
                return createGuiPhantom(*this);
        if (name == "prefs")
                return createGuiPreferences(*this);
-       if (name == "print")
-               return createGuiPrint(*this);
        if (name == "ref")
                return createGuiRef(*this);
        if (name == "sendto")