#include "GuiPainter.h"
#include "GuiView.h"
#include "Menus.h"
+#include "qt_helpers.h"
#include "Buffer.h"
#include "BufferList.h"
#include "LyX.h"
#include "LyXRC.h"
#include "LyXVC.h"
-#include "qt_helpers.h"
#include "Text.h"
#include "TextMetrics.h"
+#include "Undo.h"
#include "version.h"
#include "graphics/GraphicsImage.h"
#include "support/convert.h"
#include "support/debug.h"
-#include "support/gettext.h"
#include "support/lassert.h"
#include "support/TempFile.h"
#include <QMenu>
#include <QPainter>
#include <QPalette>
-#include <QPixmapCache>
#include <QScrollBar>
#include <QStyleOption>
#include <QStylePainter>
#include <QToolTip>
#include <QMenuBar>
-#include "support/bind.h"
-
#include <cmath>
#include <iostream>
namespace frontend {
-class CursorWidget {
+class CaretWidget {
public:
- CursorWidget() : rtl_(false), l_shape_(false), completable_(false),
- show_(false), x_(0), cursor_width_(0)
- {
- recomputeWidth();
- }
-
- void draw(QPainter & painter)
+ CaretWidget() : rtl_(false), l_shape_(false), completable_(false),
+ x_(0), caret_width_(0)
+ {}
+
+ /* Draw the caret. Parameter \c horiz_offset is not 0 when there
+ * has been horizontal scrolling in current row
+ */
+ void draw(QPainter & painter, int horiz_offset)
{
- if (!show_ || !rect_.isValid())
+ if (!rect_.isValid())
return;
- int y = rect_.top();
- int l = x_ - rect_.left();
- int r = rect_.right() - x_;
- int bot = rect_.bottom();
+ int const x = x_ - horiz_offset;
+ int const y = rect_.top();
+ int const l = x_ - rect_.left();
+ int const r = rect_.right() - x_;
+ int const bot = rect_.bottom();
// draw vertical line
- painter.fillRect(x_, y, cursor_width_, rect_.height(), color_);
+ painter.fillRect(x, y, caret_width_, rect_.height(), color_);
// draw RTL/LTR indication
painter.setPen(color_);
if (l_shape_) {
if (rtl_)
- painter.drawLine(x_, bot, x_ - l, bot);
+ painter.drawLine(x, bot, x - l, bot);
else
- painter.drawLine(x_, bot, x_ + cursor_width_ + r, bot);
+ painter.drawLine(x, bot, x + caret_width_ + r, bot);
}
// draw completion triangle
int m = y + rect_.height() / 2;
int d = TabIndicatorWidth - 1;
if (rtl_) {
- painter.drawLine(x_ - 1, m - d, x_ - 1 - d, m);
- painter.drawLine(x_ - 1, m + d, x_ - 1 - d, m);
+ painter.drawLine(x - 1, m - d, x - 1 - d, m);
+ painter.drawLine(x - 1, m + d, x - 1 - d, m);
} else {
- painter.drawLine(x_ + cursor_width_, m - d, x_ + cursor_width_ + d, m);
- painter.drawLine(x_ + cursor_width_, m + d, x_ + cursor_width_ + d, m);
+ painter.drawLine(x + caret_width_, m - d, x + caret_width_ + d, m);
+ painter.drawLine(x + caret_width_, m + d, x + caret_width_ + d, m);
}
}
}
r = max(r, TabIndicatorWidth);
}
- // compute overall rectangle
- rect_ = QRect(x - l, y, cursor_width_ + r + l, h);
- }
-
- void show(bool set_show = true) { show_ = set_show; }
- void hide() { show_ = false; }
- int cursorWidth() const { return cursor_width_; }
- void recomputeWidth() {
- cursor_width_ = lyxrc.cursor_width
+ //FIXME: LyXRC::cursor_width should be caret_width
+ caret_width_ = lyxrc.cursor_width
? lyxrc.cursor_width
: 1 + int((lyxrc.currentZoom + 50) / 200.0);
+
+ // compute overall rectangle
+ rect_ = QRect(x - l, y, caret_width_ + r + l, h);
}
QRect const & rect() { return rect_; }
private:
- /// cursor is in RTL or LTR text
+ /// caret is in RTL or LTR text
bool rtl_;
/// indication for RTL or LTR
bool l_shape_;
/// triangle to show that a completion is available
bool completable_;
///
- bool show_;
- ///
QColor color_;
/// rectangle, possibly with l_shape and completion triangle
QRect rect_;
/// x position (were the vertical line is drawn)
int x_;
-
- int cursor_width_;
+ /// the width of the vertical blinking bar
+ int caret_width_;
};
GuiWorkArea::Private::Private(GuiWorkArea * parent)
-: p(parent), buffer_view_(0), lyx_view_(0),
- cursor_visible_(false), cursor_(0),
- need_resize_(false), schedule_redraw_(false), preedit_lines_(1),
- pixel_ratio_(1.0),
- completer_(new GuiCompleter(p, p)), dialog_mode_(false), shell_escape_(false),
- read_only_(false), clean_(true), externally_modified_(false)
+: p(parent), buffer_view_(0), lyx_view_(0), caret_(0),
+ caret_visible_(false), need_resize_(false), preedit_lines_(1),
+ last_pixel_ratio_(1.0), completer_(new GuiCompleter(p, p)),
+ dialog_mode_(false), shell_escape_(false), read_only_(false),
+ clean_(true), externally_modified_(false)
+{
+/* Qt on macOS and Wayland does not respect the
+ * Qt::WA_OpaquePaintEvent attribute and resets the widget backing
+ * store at each update. Therefore, we use our own backing store in
+ * these two cases. */
+#if QT_VERSION >= 0x050000
+ use_backingstore_ = guiApp->platformName() == "cocoa"
+ || guiApp->platformName().contains("wayland");
+#else
+# ifdef Q_OS_MAC
+ use_backingstore_ = true;
+# else
+ use_backingstore_ = false;
+# endif
+#endif
+
+ int const time = QApplication::cursorFlashTime() / 2;
+ if (time > 0) {
+ caret_timeout_.setInterval(time);
+ caret_timeout_.start();
+ } else {
+ // let's initialize this just to be safe
+ caret_timeout_.setInterval(500);
+ }
+}
+
+
+GuiWorkArea::Private::~Private()
{
+ // If something is wrong with the buffer, we can ignore it safely
+ try {
+ buffer_view_->buffer().workAreaManager().remove(p);
+ } catch(...) {}
+ delete buffer_view_;
+ delete caret_;
+ // Completer has a QObject parent and is thus automatically destroyed.
+ // See #4758.
+ // delete completer_;
}
void GuiWorkArea::init()
{
// Setup the signals
- connect(&d->cursor_timeout_, SIGNAL(timeout()),
- this, SLOT(toggleCursor()));
+ connect(&d->caret_timeout_, SIGNAL(timeout()),
+ this, SLOT(toggleCaret()));
- int const time = QApplication::cursorFlashTime() / 2;
- if (time > 0) {
- d->cursor_timeout_.setInterval(time);
- d->cursor_timeout_.start();
- } else {
- // let's initialize this just to be safe
- d->cursor_timeout_.setInterval(500);
- }
+ // This connection is closed at the same time as this is destroyed.
+ d->synthetic_mouse_event_.timeout.timeout.connect([this](){
+ generateSyntheticMouseEvent();
+ });
+ d->resetScreen();
// With Qt4.5 a mouse event will happen before the first paint event
// so make sure that the buffer view has an up to date metrics.
d->buffer_view_->resize(viewport()->width(), viewport()->height());
- d->cursor_ = new frontend::CursorWidget();
- d->cursor_->hide();
+ d->caret_ = new frontend::CaretWidget();
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setAcceptDrops(true);
setFrameStyle(QFrame::NoFrame);
updateWindowTitle();
- //viewport()->setAutoFillBackground(false);
- // We don't need double-buffering nor SystemBackground on
- // the viewport because we have our own backing pixmap.
- //viewport()->setAttribute(Qt::WA_NoSystemBackground);
+ d->updateCursorShape();
+
+ // we paint our own background
viewport()->setAttribute(Qt::WA_OpaquePaintEvent);
setFocusPolicy(Qt::StrongFocus);
- d->setCursorShape(Qt::IBeamCursor);
-
- // This connection is closed at the same time as this is destroyed.
- d->synthetic_mouse_event_.timeout.timeout.connect([this](){
- generateSyntheticMouseEvent();
- });
-
LYXERR(Debug::GUI, "viewport width: " << viewport()->width()
<< " viewport height: " << viewport()->height());
// Enables input methods for asian languages.
// Must be set when creating custom text editing widgets.
setAttribute(Qt::WA_InputMethodEnabled, true);
-
- d->dialog_mode_ = false;
}
GuiWorkArea::~GuiWorkArea()
{
- // If something is wrong with the buffer, we can ignore it safely
- try {
- d->buffer_view_->buffer().workAreaManager().remove(this);
- } catch(...) {}
- delete d->buffer_view_;
- delete d->cursor_;
- // Completer has a QObject parent and is thus automatically destroyed.
- // See #4758.
- // delete completer_;
delete d;
}
-Qt::CursorShape GuiWorkArea::cursorShape() const
-{
- return viewport()->cursor().shape();
-}
-
-
-void GuiWorkArea::Private::setCursorShape(Qt::CursorShape shape)
-{
- p->viewport()->setCursor(shape);
-}
-
-
void GuiWorkArea::Private::updateCursorShape()
{
- setCursorShape(buffer_view_->clickableInset()
- ? Qt::PointingHandCursor : Qt::IBeamCursor);
+ bool const clickable = buffer_view_ && buffer_view_->clickableInset();
+ p->viewport()->setCursor(clickable ? Qt::PointingHandCursor
+ : Qt::IBeamCursor);
}
}
-void GuiWorkArea::stopBlinkingCursor()
+void GuiWorkArea::stopBlinkingCaret()
{
- d->cursor_timeout_.stop();
- d->hideCursor();
+ d->caret_timeout_.stop();
+ d->hideCaret();
}
-void GuiWorkArea::startBlinkingCursor()
+void GuiWorkArea::startBlinkingCaret()
{
// do not show the cursor if the view is busy
if (view().busy())
return;
- Point p;
- int h = 0;
- d->buffer_view_->cursorPosAndHeight(p, h);
- // Don't start blinking if the cursor isn't on screen.
- if (!d->buffer_view_->cursorInView(p, h))
- return;
+ // we cannot update geometry if not ready and we do not need to if
+ // caret is not in view.
+ if (!d->buffer_view_->buffer().undo().activeUndoGroup()) {
+ Point p;
+ int h = 0;
+ d->buffer_view_->caretPosAndHeight(p, h);
+ // Don't start blinking if the cursor isn't on screen.
+ if (!d->buffer_view_->cursorInView(p, h))
+ return;
+ }
- d->showCursor();
+ d->showCaret();
//we're not supposed to cache this value.
int const time = QApplication::cursorFlashTime() / 2;
if (time <= 0)
return;
- d->cursor_timeout_.setInterval(time);
- d->cursor_timeout_.start();
+ d->caret_timeout_.setInterval(time);
+ d->caret_timeout_.start();
}
-void GuiWorkArea::redraw(bool update_metrics)
+void GuiWorkArea::toggleCaret()
+{
+ if (d->caret_visible_)
+ d->hideCaret();
+ else
+ d->showCaret();
+}
+
+
+void GuiWorkArea::scheduleRedraw(bool update_metrics)
{
if (!isVisible())
// No need to redraw in this case.
d->buffer_view_->cursor().fixIfBroken();
}
- // update cursor position, because otherwise it has to wait until
+ // update caret position, because otherwise it has to wait until
// the blinking interval is over
- if (d->cursor_visible_) {
- d->hideCursor();
- d->showCursor();
- }
+ d->updateCaretGeometry();
LYXERR(Debug::WORKAREA, "WorkArea::redraw screen");
viewport()->update();
+ /// FIXME: is this still true now that paintEvent does the actual painting?
/// \warning: scrollbar updating *must* be done after the BufferView is drawn
/// because \c BufferView::updateScrollbar() is called in \c BufferView::draw().
d->updateScrollbar();
}
// In order to avoid bad surprise in the middle of an operation,
- // we better stop the blinking cursor...
- // the cursor gets restarted in GuiView::restartCursor()
- stopBlinkingCursor();
+ // we better stop the blinking caret...
+ // the caret gets restarted in GuiView::restartCaret()
+ stopBlinkingCaret();
guiApp->processKeySym(key, mod);
}
cmd.action() != LFUN_MOUSE_MOTION || cmd.button() != mouse_button::none;
// In order to avoid bad surprise in the middle of an operation, we better stop
- // the blinking cursor.
+ // the blinking caret.
if (notJustMovingTheMouse)
- p->stopBlinkingCursor();
+ p->stopBlinkingCaret();
buffer_view_->mouseEventDispatch(cmd);
// FIXME: let GuiView take care of those.
lyx_view_->clearMessage();
- // Show the cursor immediately after any operation
- p->startBlinkingCursor();
+ // Show the caret immediately after any operation
+ p->startBlinkingCaret();
}
updateCursorShape();
{
// WARNING: Please don't put any code that will trigger a repaint here!
// We are already inside a paint event.
- p->stopBlinkingCursor();
+ p->stopBlinkingCaret();
// Warn our container (GuiView).
p->busy(true);
Point point;
int h = 0;
- buffer_view_->cursorPosAndHeight(point, h);
- bool const cursor_in_view = buffer_view_->cursorInView(point, h);
+ buffer_view_->caretPosAndHeight(point, h);
+ bool const caret_in_view = buffer_view_->cursorInView(point, h);
buffer_view_->resize(p->viewport()->width(), p->viewport()->height());
- if (cursor_in_view)
+ if (caret_in_view)
buffer_view_->scrollToCursor();
- p->viewport()->update();
+ updateCaretGeometry();
// Update scrollbars which might have changed due different
// BufferView dimension. This is especially important when the
need_resize_ = false;
p->busy(false);
- // Eventually, restart the cursor after the resize event.
+ // Eventually, restart the caret after the resize event.
// We might be resizing even if the focus is on another widget so we only
- // restart the cursor if we have the focus.
+ // restart the caret if we have the focus.
if (p->hasFocus())
- QTimer::singleShot(50, p, SLOT(startBlinkingCursor()));
+ QTimer::singleShot(50, p, SLOT(startBlinkingCaret()));
}
-void GuiWorkArea::Private::showCursor()
+void GuiWorkArea::Private::updateCaretGeometry()
{
- if (cursor_visible_)
+ // we cannot update geometry if not ready and we do not need to if
+ // caret is not in view.
+ if (buffer_view_->buffer().undo().activeUndoGroup())
return;
- Point p;
+ Point point;
int h = 0;
- buffer_view_->cursorPosAndHeight(p, h);
- if (!buffer_view_->cursorInView(p, h))
+ buffer_view_->caretPosAndHeight(point, h);
+ if (!buffer_view_->cursorInView(point, h))
return;
// RTL or not RTL
if (realfont.language() == latex_language)
l_shape = false;
- // show cursor on screen
+ // show caret on screen
Cursor & cur = buffer_view_->cursor();
bool completable = cur.inset().showCompletionCursor()
&& completer_->completionAvailable()
&& !completer_->popupVisible()
&& !completer_->inlineVisible();
- cursor_visible_ = true;
- cursor_->recomputeWidth();
+ caret_visible_ = true;
- //int cur_x = buffer_view_->getPos(cur).x_;
- // We may have decided to slide the cursor row so that cursor
- // is visible.
- p.x_ -= buffer_view_->horizScrollOffset();
-
- showCursor(p.x_, p.y_, h, l_shape, isrtl, completable);
+ caret_->update(point.x_, point.y_, h, l_shape, isrtl, completable);
}
-void GuiWorkArea::Private::hideCursor()
+void GuiWorkArea::Private::showCaret()
{
- if (!cursor_visible_)
+ if (caret_visible_)
return;
- cursor_visible_ = false;
- removeCursor();
+ updateCaretGeometry();
+ p->viewport()->update();
}
-void GuiWorkArea::toggleCursor()
+void GuiWorkArea::Private::hideCaret()
{
- if (d->cursor_visible_)
- d->hideCursor();
- else
- d->showCursor();
+ if (!caret_visible_)
+ return;
+
+ caret_visible_ = false;
+ //if (!qApp->focusWidget())
+ p->viewport()->update();
}
void GuiWorkArea::scrollTo(int value)
{
- stopBlinkingCursor();
+ stopBlinkingCaret();
d->buffer_view_->scrollDocView(value, true);
if (lyxrc.cursor_follows_scrollbar) {
// FIXME: let GuiView take care of those.
d->lyx_view_->updateLayoutList();
}
- // Show the cursor immediately after any operation.
- startBlinkingCursor();
+ // Show the caret immediately after any operation.
+ startBlinkingCaret();
// FIXME QT5
#ifdef Q_WS_X11
QApplication::syncX();
d->lyx_view_->currentWorkArea()->bufferView().buffer().updateBuffer();
}
- startBlinkingCursor();
+ startBlinkingCaret();
QAbstractScrollArea::focusInEvent(e);
}
void GuiWorkArea::focusOutEvent(QFocusEvent * e)
{
LYXERR(Debug::DEBUG, "GuiWorkArea::focusOutEvent(): " << this << endl);
- stopBlinkingCursor();
+ stopBlinkingCaret();
QAbstractScrollArea::focusOutEvent(e);
}
{
// Wheel rotation by one notch results in a delta() of 120 (see
// documentation of QWheelEvent)
+ // But first we have to ignore horizontal scroll events.
+#if QT_VERSION < 0x050000
+ if (ev->orientation() == Qt::Horizontal) {
+ ev->accept();
+ return;
+ }
double const delta = ev->delta() / 120.0;
+#else
+ QPoint const aDelta = ev->angleDelta();
+ // skip horizontal wheel event
+ if (abs(aDelta.x()) > abs(aDelta.y())) {
+ ev->accept();
+ return;
+ }
+ double const delta = aDelta.y() / 120.0;
+#endif
+
bool zoom = false;
switch (lyxrc.scroll_wheel_zoom) {
case LyXRC::SCROLL_WHEEL_ZOOM_CTRL:
}
-void GuiWorkArea::paintEvent(QPaintEvent * ev)
+void GuiWorkArea::Private::paintPreeditText(GuiPainter & pain)
{
- // LYXERR(Debug::PAINTING, "paintEvent begin: x: " << rc.x()
- // << " y: " << rc.y() << " w: " << rc.width() << " h: " << rc.height());
-
- if (d->needResize()) {
- d->resizeBufferView();
- if (d->cursor_visible_) {
- d->hideCursor();
- d->showCursor();
- }
- }
-
- GuiPainter pain(viewport(), pixelRatio());
- d->buffer_view_->draw(pain);
-
- d->cursor_->draw(pain);
- ev->accept();
-}
-
-
-void GuiWorkArea::Private::showCursor(int x, int y, int h,
- bool l_shape, bool rtl, bool completable)
-{
- if (schedule_redraw_) {
- // This happens when a graphic conversion is finished. As we don't know
- // the size of the new graphics, it's better the update everything.
- // We can't use redraw() here because this would trigger a infinite
- // recursive loop with showCursor().
- buffer_view_->resize(p->viewport()->width(), p->viewport()->height());
- p->viewport()->update();
- updateScrollbar();
- schedule_redraw_ = false;
- // Show the cursor immediately after the update.
- hideCursor();
- p->toggleCursor();
+ if (preedit_string_.empty())
return;
- }
-
- cursor_->update(x, y, h, l_shape, rtl, completable);
- cursor_->show();
- p->viewport()->update(cursor_->rect());
-}
-
-
-void GuiWorkArea::Private::removeCursor()
-{
- cursor_->hide();
- //if (!qApp->focusWidget())
- p->viewport()->update(cursor_->rect());
-}
-
-
-void GuiWorkArea::inputMethodEvent(QInputMethodEvent * e)
-{
-//FIXME Broken Feature !!
-// I do not think that we are supposed to paint inside this event. Shall we
-// just let TextMetrics::breakRow add this to the relevant Row object?
-#if 0
- QString const & commit_string = e->commitString();
- docstring const & preedit_string
- = qstring_to_ucs4(e->preeditString());
- if (!commit_string.isEmpty()) {
-
- LYXERR(Debug::KEY, "preeditString: " << e->preeditString()
- << " commitString: " << e->commitString());
-
- int key = 0;
-
- // FIXME Iwami 04/01/07: we should take care also of UTF16 surrogates here.
- for (int i = 0; i != commit_string.size(); ++i) {
- QKeyEvent ev(QEvent::KeyPress, key, Qt::NoModifier, commit_string[i]);
- keyPressEvent(&ev);
- }
- }
-
- // Hide the cursor during the kana-kanji transformation.
- if (preedit_string.empty())
- startBlinkingCursor();
- else
- stopBlinkingCursor();
-
- // last_width : for checking if last preedit string was/wasn't empty.
- // FIXME THREAD && FIXME
- // We could have more than one work area, right?
- static bool last_width = false;
- if (!last_width && preedit_string.empty()) {
- // if last_width is last length of preedit string.
- e->accept();
- return;
- }
-
- d->buffer_view_->updateMetrics();
- viewport()->update();
// FIXME: shall we use real_current_font here? (see #10478)
- FontInfo font = d->buffer_view_->cursor().getFont().fontInfo();
+ FontInfo const font = buffer_view_->cursor().getFont().fontInfo();
FontMetrics const & fm = theFontMetrics(font);
- int height = fm.maxHeight();
- int cur_x = d->cursor_->rect().left();
- int cur_y = d->cursor_->rect().bottom();
-
- // redraw area of preedit string.
- viewport()->update(0, cur_y - height, viewport()->width(),
- (height + 1) * d->preedit_lines_);
-
- if (preedit_string.empty()) {
- last_width = false;
- d->preedit_lines_ = 1;
- e->accept();
- return;
- }
- last_width = true;
-
- // att : stores an IM attribute.
- QList<QInputMethodEvent::Attribute> const & att = e->attributes();
+ int const height = fm.maxHeight();
+ int cur_x = caret_->rect().left();
+ int cur_y = caret_->rect().bottom();
// get attributes of input method cursor.
// cursor_pos : cursor position in preedit string.
size_t cursor_pos = 0;
bool cursor_is_visible = false;
- for (int i = 0; i != att.size(); ++i) {
- if (att.at(i).type == QInputMethodEvent::Cursor) {
- cursor_pos = att.at(i).start;
- cursor_is_visible = att.at(i).length != 0;
+ for (auto const & attr : preedit_attr_) {
+ if (attr.type == QInputMethodEvent::Cursor) {
+ cursor_pos = attr.start;
+ cursor_is_visible = attr.length != 0;
break;
}
}
- size_t preedit_length = preedit_string.length();
+ size_t const preedit_length = preedit_string_.length();
// get position of selection in input method.
// FIXME: isn't there a way to do this simplier?
// rLength : selected string length in IM.
size_t rLength = 0;
if (cursor_pos < preedit_length) {
- for (int i = 0; i != att.size(); ++i) {
- if (att.at(i).type == QInputMethodEvent::TextFormat) {
- if (att.at(i).start <= int(cursor_pos)
- && int(cursor_pos) < att.at(i).start + att.at(i).length) {
- rStart = att.at(i).start;
- rLength = att.at(i).length;
+ for (auto const & attr : preedit_attr_) {
+ if (attr.type == QInputMethodEvent::TextFormat) {
+ if (attr.start <= int(cursor_pos)
+ && int(cursor_pos) < attr.start + attr.length) {
+ rStart = attr.start;
+ rLength = attr.length;
if (!cursor_is_visible)
cursor_pos += rLength;
break;
rLength = 0;
}
- int const right_margin = d->buffer_view_->rightMargin();
+ int const right_margin = buffer_view_->rightMargin();
Painter::preedit_style ps;
// Most often there would be only one line:
- d->preedit_lines_ = 1;
+ preedit_lines_ = 1;
for (size_t pos = 0; pos != preedit_length; ++pos) {
- char_type const typed_char = preedit_string[pos];
+ char_type const typed_char = preedit_string_[pos];
// reset preedit string style
ps = Painter::preedit_default;
// if we reached the right extremity of the screen, go to next line.
- if (cur_x + fm.width(typed_char) > viewport()->width() - right_margin) {
+ if (cur_x + fm.width(typed_char) > p->viewport()->width() - right_margin) {
cur_x = right_margin;
cur_y += height + 1;
- ++d->preedit_lines_;
+ ++preedit_lines_;
}
// preedit strings are displayed with dashed underline
// and partial strings are displayed white on black indicating
ps = Painter::preedit_cursor;
// draw one character and update cur_x.
- GuiPainter pain(d->screen_, pixelRatio());
cur_x += pain.preeditText(cur_x, cur_y, typed_char, font, ps);
}
+}
+
+
+void GuiWorkArea::Private::resetScreen()
+{
+ if (use_backingstore_) {
+ int const pr = p->pixelRatio();
+ screen_ = QImage(static_cast<int>(pr * p->viewport()->width()),
+ static_cast<int>(pr * p->viewport()->height()),
+ QImage::Format_ARGB32_Premultiplied);
+# if QT_VERSION >= 0x050000
+ screen_.setDevicePixelRatio(pr);
+# endif
+ }
+}
+
+
+QPaintDevice * GuiWorkArea::Private::screenDevice()
+{
+ if (use_backingstore_)
+ return &screen_;
+ else
+ return p->viewport();
+}
+
+
+void GuiWorkArea::Private::updateScreen(QRectF const & rc)
+{
+ if (use_backingstore_) {
+ QPainter qpain(p->viewport());
+ double const pr = p->pixelRatio();
+ QRectF const rcs = QRectF(rc.x() * pr, rc.y() * pr,
+ rc.width() * pr, rc.height() * pr);
+ qpain.drawImage(rc, screen_, rcs);
+ }
+}
+
+
+void GuiWorkArea::paintEvent(QPaintEvent * ev)
+{
+ // Do not trigger the painting machinery if we are not ready (see
+ // bug #10989). The second test triggers when in the middle of a
+ // dispatch operation.
+ if (view().busy() || d->buffer_view_->buffer().undo().activeUndoGroup()) {
+ // Since macOS has turned the screen black at this point, our
+ // backing store has to be copied to screen (this is a no-op
+ // except on macOS).
+ d->updateScreen(ev->rect());
+ // Ignore this paint event, but request a new one for later.
+ viewport()->update(ev->rect());
+ ev->accept();
+ return;
+ }
+
+ // LYXERR(Debug::PAINTING, "paintEvent begin: x: " << rc.x()
+ // << " y: " << rc.y() << " w: " << rc.width() << " h: " << rc.height());
+
+ if (d->need_resize_ || pixelRatio() != d->last_pixel_ratio_) {
+ d->resetScreen();
+ d->resizeBufferView();
+ }
+
+ d->last_pixel_ratio_ = pixelRatio();
+
+ GuiPainter pain(d->screenDevice(), pixelRatio());
+
+ d->buffer_view_->draw(pain, d->caret_visible_);
+
+ // The preedit text, if needed
+ d->paintPreeditText(pain);
+
+ // and the caret
+ if (d->caret_visible_)
+ d->caret_->draw(pain, d->buffer_view_->horizScrollOffset());
+
+ d->updateScreen(ev->rect());
+
+ ev->accept();
+}
- // update the preedit string screen area.
- viewport()->update(0, cur_y - d->preedit_lines_*height, viewport()->width(),
+
+void GuiWorkArea::inputMethodEvent(QInputMethodEvent * e)
+{
+ LYXERR(Debug::KEY, "preeditString: " << e->preeditString()
+ << " commitString: " << e->commitString());
+
+ // insert the processed text in the document (handles undo)
+ if (!e->commitString().isEmpty()) {
+ FuncRequest cmd(LFUN_SELF_INSERT,
+ qstring_to_ucs4(e->commitString()),
+ FuncRequest::KEYBOARD);
+ dispatch(cmd);
+ // FIXME: this is supposed to remove traces from preedit
+ // string. Can we avoid calling it explicitely?
+ d->buffer_view_->updateMetrics();
+ }
+
+ // Hide the caret during the test transformation.
+ if (e->preeditString().isEmpty())
+ startBlinkingCaret();
+ else
+ stopBlinkingCaret();
+
+ if (d->preedit_string_.empty() && e->preeditString().isEmpty()) {
+ // Nothing to do
+ e->accept();
+ return;
+ }
+
+ // The preedit text and its attributes will be used in paintPreeditText
+ d->preedit_string_ = qstring_to_ucs4(e->preeditString());
+ d->preedit_attr_ = e->attributes();
+
+
+ // redraw area of preedit string.
+ int height = d->caret_->rect().height();
+ int cur_y = d->caret_->rect().bottom();
+ viewport()->update(0, cur_y - height, viewport()->width(),
(height + 1) * d->preedit_lines_);
-#endif
+
+ if (d->preedit_string_.empty()) {
+ d->preedit_lines_ = 1;
+ e->accept();
+ return;
+ }
// Don't forget to accept the event!
e->accept();
// this is the CJK-specific composition window position and
// the context menu position when the menu key is pressed.
case Qt::ImMicroFocus:
- cur_r = d->cursor_->rect();
+ cur_r = d->caret_->rect();
if (d->preedit_lines_ != 1)
cur_r.moveLeft(10);
cur_r.moveBottom(cur_r.bottom()
+ cur_r.height() * (d->preedit_lines_ - 1));
- // return lower right of cursor in LyX.
+ // return lower right of caret in LyX.
return cur_r;
default:
return QWidget::inputMethodQuery(query);
}
-void GuiWorkArea::scheduleRedraw()
-{
- d->schedule_redraw_ = true;
-}
-
-
bool GuiWorkArea::inDialogMode() const
{
return d->dialog_mode_;
void EmbeddedWorkArea::disable()
{
- stopBlinkingCursor();
+ stopBlinkingCaret();
if (view().currentWorkArea() != this)
return;
// No problem if currentMainWorkArea() is 0 (setCurrentWorkArea()
this, SLOT(closeCurrentBuffer()));
setCornerWidget(closeBufferButton, Qt::TopRightCorner);
- // setup drag'n'drop
- QTabBar* tb = new DragTabBar;
- connect(tb, SIGNAL(tabMoveRequested(int, int)),
- this, SLOT(moveTab(int, int)));
+ // set TabBar behaviour
+ QTabBar * tb = tabBar();
+ tb->setTabsClosable(!lyxrc.single_close_tab_button);
+ tb->setSelectionBehaviorOnRemove(QTabBar::SelectPreviousTab);
tb->setElideMode(Qt::ElideNone);
- setTabBar(tb);
-
+ // allow dragging tabs
+ tb->setMovable(true);
// make us responsible for the context menu of the tabbar
tb->setContextMenuPolicy(Qt::CustomContextMenu);
connect(tb, SIGNAL(customContextMenuRequested(const QPoint &)),
- this, SLOT(showContextMenu(const QPoint &)));
+ this, SLOT(showContextMenu(const QPoint &)));
connect(tb, SIGNAL(tabCloseRequested(int)),
- this, SLOT(closeTab(int)));
+ this, SLOT(closeTab(int)));
setUsesScrollButtons(true);
}
GuiWorkArea * wa = workArea(i);
LASSERT(wa, return);
wa->setUpdatesEnabled(true);
- wa->redraw(true);
+ wa->scheduleRedraw(true);
wa->setFocus();
///
currentWorkAreaChanged(wa);
void TabWorkArea::showContextMenu(const QPoint & pos)
{
// which tab?
- clicked_tab_ = static_cast<DragTabBar *>(tabBar())->tabAt(pos);
+ clicked_tab_ = tabBar()->tabAt(pos);
if (clicked_tab_ == -1)
return;
}
-DragTabBar::DragTabBar(QWidget* parent)
- : QTabBar(parent)
-{
- setAcceptDrops(true);
- setTabsClosable(!lyxrc.single_close_tab_button);
-}
-
-
-void DragTabBar::mousePressEvent(QMouseEvent * event)
-{
- if (event->button() == Qt::LeftButton)
- dragStartPos_ = event->pos();
- QTabBar::mousePressEvent(event);
-}
-
-
-void DragTabBar::mouseMoveEvent(QMouseEvent * event)
-{
- // If the left button isn't pressed anymore then return
- if (!(event->buttons() & Qt::LeftButton))
- return;
-
- // If the distance is too small then return
- if ((event->pos() - dragStartPos_).manhattanLength()
- < QApplication::startDragDistance())
- return;
-
- // did we hit something after all?
- int tab = tabAt(dragStartPos_);
- if (tab == -1)
- return;
-
- // simulate button release to remove highlight from button
- int i = currentIndex();
- QMouseEvent me(QEvent::MouseButtonRelease, dragStartPos_,
- event->button(), event->buttons(), 0);
- QTabBar::mouseReleaseEvent(&me);
- setCurrentIndex(i);
-
- // initiate Drag
- QDrag * drag = new QDrag(this);
- QMimeData * mimeData = new QMimeData;
- // a crude way to distinguish tab-reodering drops from other ones
- mimeData->setData("action", "tab-reordering") ;
- drag->setMimeData(mimeData);
-
- // get tab pixmap as cursor
- QRect r = tabRect(tab);
- QPixmap pixmap(r.size());
- render(&pixmap, - r.topLeft());
- drag->setPixmap(pixmap);
- drag->exec();
-}
-
-
-void DragTabBar::dragEnterEvent(QDragEnterEvent * event)
-{
- // Only accept if it's an tab-reordering request
- QMimeData const * m = event->mimeData();
- QStringList formats = m->formats();
- if (formats.contains("action")
- && m->data("action") == "tab-reordering")
- event->acceptProposedAction();
-}
-
-
-void DragTabBar::dropEvent(QDropEvent * event)
-{
- int fromIndex = tabAt(dragStartPos_);
- int toIndex = tabAt(event->pos());
-
- // Tell interested objects that
- if (fromIndex != toIndex)
- tabMoveRequested(fromIndex, toIndex);
- event->acceptProposedAction();
-}
-
-
GuiWorkAreaContainer::GuiWorkAreaContainer(GuiWorkArea * wa, QWidget * parent)
: QWidget(parent), wa_(wa)
{