#include "LyXVC.h"
#include "qt_helpers.h"
#include "Text.h"
+#include "TextMetrics.h"
#include "version.h"
#include "graphics/GraphicsImage.h"
#include "support/debug.h"
#include "support/gettext.h"
#include "support/FileName.h"
+#include "support/lassert.h"
#include "frontends/Application.h"
#include "frontends/FontMetrics.h"
#include <QToolTip>
#include <QMenuBar>
-#include <boost/bind.hpp>
+#include "support/bind.h"
#include <cmath>
-#ifdef Q_WS_X11
-#include <QX11Info>
-extern "C" int XEventsQueued(Display *display, int mode);
-#endif
-
-#ifdef Q_WS_WIN
-int const CursorWidth = 2;
-#else
-int const CursorWidth = 1;
-#endif
int const TabIndicatorWidth = 3;
#undef KeyPress
class CursorWidget {
public:
- CursorWidget() {}
+ CursorWidget() {
+ recomputeWidth();
+ }
void draw(QPainter & painter)
{
int r = rect_.right() - x_;
int bot = rect_.bottom();
- // draw vertica linel
- painter.fillRect(x_, y, CursorWidth, rect_.height(), color_);
+ // draw vertical line
+ painter.fillRect(x_, y, cursor_width_, rect_.height(), color_);
// draw RTL/LTR indication
painter.setPen(color_);
if (rtl_)
painter.drawLine(x_, bot, x_ - l, bot);
else
- painter.drawLine(x_, bot, x_ + CursorWidth + r, bot);
+ painter.drawLine(x_, bot, x_ + cursor_width_ + r, bot);
}
// draw completion triangle
painter.drawLine(x_ - 1, m - d, x_ - 1 - d, m);
painter.drawLine(x_ - 1, m + d, x_ - 1 - d, m);
} else {
- painter.drawLine(x_ + CursorWidth, m - d, x_ + CursorWidth + d, m);
- painter.drawLine(x_ + CursorWidth, m + d, x_ + CursorWidth + d, m);
+ painter.drawLine(x_ + cursor_width_, m - d, x_ + cursor_width_ + d, m);
+ painter.drawLine(x_ + cursor_width_, m + d, x_ + cursor_width_ + d, m);
}
}
}
}
// compute overall rectangle
- rect_ = QRect(x - l, y, CursorWidth + r + l, h);
+ 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
+ ? lyxrc.cursor_width
+ : 1 + int((lyxrc.zoom + 50) / 200.0);
+ }
QRect const & rect() { return rect_; }
QRect rect_;
/// x position (were the vertical line is drawn)
int x_;
+
+ int cursor_width_;
};
// This is a 'heartbeat' generating synthetic mouse move events when the
// cursor is at the top or bottom edge of the viewport. One scroll per 0.2 s
SyntheticMouseEvent::SyntheticMouseEvent()
- : timeout(200), restart_timeout(true),
- x_old(-1), y_old(-1), min_scrollbar_old(-1), max_scrollbar_old(-1)
+ : timeout(200), restart_timeout(true)
{}
: buffer_view_(0), lyx_view_(0),
cursor_visible_(false),
need_resize_(false), schedule_redraw_(false),
- preedit_lines_(1), completer_(new GuiCompleter(this, this)),
- context_target_pos_()
+ preedit_lines_(1), completer_(new GuiCompleter(this, this))
{
}
: buffer_view_(0), read_only_(buffer.isReadonly()), lyx_view_(0),
cursor_visible_(false),
need_resize_(false), schedule_redraw_(false),
- preedit_lines_(1), completer_(new GuiCompleter(this, this)),
- context_target_pos_()
+ preedit_lines_(1), completer_(new GuiCompleter(this, this))
{
setGuiView(gv);
setBuffer(buffer);
setFocusPolicy(Qt::StrongFocus);
- viewport()->setCursor(Qt::IBeamCursor);
+ setCursorShape(Qt::IBeamCursor);
synthetic_mouse_event_.timeout.timeout.connect(
- boost::bind(&GuiWorkArea::generateSyntheticMouseEvent,
+ bind(&GuiWorkArea::generateSyntheticMouseEvent,
this));
// Initialize the vertical Scroll Bar
}
+Qt::CursorShape GuiWorkArea::cursorShape() const
+{
+ return viewport()->cursor().shape();
+}
+
+
+void GuiWorkArea::setCursorShape(Qt::CursorShape shape)
+{
+ viewport()->setCursor(shape);
+}
+
+
+void GuiWorkArea::updateCursorShape()
+{
+ setCursorShape(buffer_view_->clickableInset()
+ ? Qt::PointingHandCursor : Qt::IBeamCursor);
+}
+
+
void GuiWorkArea::setGuiView(GuiView & gv)
{
lyx_view_ = &gv;
void GuiWorkArea::startBlinkingCursor()
{
+ // do not show the cursor if the view is busy
+ if (view().busy())
+ return;
+
Point p;
int h = 0;
buffer_view_->cursorPosAndHeight(p, h);
if (update_metrics || lyx_view_ != guiApp->currentView()
|| lyx_view_->currentWorkArea() != this) {
// FIXME: it would be nice to optimize for the off-screen case.
+ buffer_view_->cursor().fixIfBroken();
buffer_view_->updateMetrics();
buffer_view_->cursor().fixIfBroken();
}
buffer_view_->coordCache().dump();
setReadOnly(buffer_view_->buffer().isReadonly());
+
+ updateCursorShape();
}
// Show the cursor immediately after any operation
startBlinkingCursor();
}
+
+ updateCursorShape();
}
&& !completer_->popupVisible()
&& !completer_->inlineVisible();
cursor_visible_ = true;
+ cursor_->recomputeWidth();
showCursor(p.x_, p.y_, h, l_shape, isrtl, completable);
}
void GuiWorkArea::scrollTo(int value)
{
stopBlinkingCursor();
- buffer_view_->scrollDocView(value);
+ buffer_view_->scrollDocView(value, true);
if (lyxrc.cursor_follows_scrollbar) {
buffer_view_->setCursorFromScrollbar();
// which are otherwise reserved to focus switching between controls
// within a dialog.
QKeyEvent * ke = static_cast<QKeyEvent*>(e);
- if ((ke->key() != Qt::Key_Tab && ke->key() != Qt::Key_Backtab)
- || ke->modifiers() & Qt::ControlModifier)
- return QAbstractScrollArea::event(e);
- keyPressEvent(ke);
- return true;
+ if ((ke->key() == Qt::Key_Tab && ke->modifiers() == Qt::NoModifier)
+ || (ke->key() == Qt::Key_Backtab && (
+ ke->modifiers() == Qt::ShiftModifier
+ || ke->modifiers() == Qt::NoModifier))) {
+ keyPressEvent(ke);
+ return true;
+ }
+ return QAbstractScrollArea::event(e);
}
default:
void GuiWorkArea::contextMenuEvent(QContextMenuEvent * e)
{
- QPoint pos;
+ docstring name;
if (e->reason() == QContextMenuEvent::Mouse)
- // the position is set on mouse press
- pos = context_target_pos_;
- else
- pos = e->pos();
- Cursor const & cur = buffer_view_->cursor();
- if (e->reason() == QContextMenuEvent::Keyboard && cur.inTexted()) {
- // Do not access the context menu of math right in front of before
- // the cursor. This does not work when the cursor is in text.
- Inset * inset = cur.paragraph().getInset(cur.pos());
- if (inset && inset->asInsetMath())
- --pos.rx();
- else if (cur.pos() > 0) {
- Inset * inset = cur.paragraph().getInset(cur.pos() - 1);
- if (inset)
- ++pos.rx();
+ // the menu name is set on mouse press
+ name = context_menu_name_;
+ else {
+ QPoint pos = e->pos();
+ Cursor const & cur = buffer_view_->cursor();
+ if (e->reason() == QContextMenuEvent::Keyboard && cur.inTexted()) {
+ // Do not access the context menu of math right in front of before
+ // the cursor. This does not work when the cursor is in text.
+ Inset * inset = cur.paragraph().getInset(cur.pos());
+ if (inset && inset->asInsetMath())
+ --pos.rx();
+ else if (cur.pos() > 0) {
+ Inset * inset = cur.paragraph().getInset(cur.pos() - 1);
+ if (inset)
+ ++pos.rx();
+ }
}
+ name = buffer_view_->contextMenu(pos.x(), pos.y());
}
- docstring name = buffer_view_->contextMenu(pos.x(), pos.y());
+
if (name.empty()) {
QAbstractScrollArea::contextMenuEvent(e);
return;
}
- QMenu * menu = guiApp->menus().menu(toqstr(name), *lyx_view_);
+ // always show mnemonics when the keyboard is used to show the context menu
+ // FIXME: This should be fixed in Qt itself
+ bool const keyboard = (e->reason() == QContextMenuEvent::Keyboard);
+ QMenu * menu = guiApp->menus().menu(toqstr(name), *lyx_view_, keyboard);
if (!menu) {
QAbstractScrollArea::contextMenuEvent(e);
return;
return;
}
- if (e->button() == Qt::RightButton)
- context_target_pos_ = e->pos();
-
inputContext()->reset();
FuncRequest const cmd(LFUN_MOUSE_PRESS, e->x(), e->y(),
q_button_state(e->button()));
dispatch(cmd, q_key_state(e->modifiers()));
+
+ // Save the context menu on mouse press, because also the mouse
+ // cursor is set on mouse press. Afterwards, we can either release
+ // the mousebutton somewhere else, or the cursor might have moved
+ // due to the DEPM. We need to do this after the mouse has been
+ // set in dispatch(), because the selection state might change.
+ if (e->button() == Qt::RightButton)
+ context_menu_name_ = buffer_view_->contextMenu(e->x(), e->y());
+
e->accept();
}
e->accept();
// If we're above or below the work area...
- if (e->y() <= 20 || e->y() >= viewport()->height() - 20) {
+ if ((e->y() <= 20 || e->y() >= viewport()->height() - 20)
+ && e->buttons() == mouse_button::button1) {
// Make sure only a synthetic event can cause a page scroll,
// so they come at a steady rate:
if (e->y() <= 20)
// _Force_ a scroll up:
- cmd.set_y(-40);
+ cmd.set_y(e->y() - 21);
else
- cmd.set_y(viewport()->height());
+ cmd.set_y(e->y() + 21);
// Store the event, to be handled when the timeout expires.
synthetic_mouse_event_.cmd = cmd;
- if (synthetic_mouse_event_.timeout.running())
+ if (synthetic_mouse_event_.timeout.running()) {
// Discard the event. Note that it _may_ be handled
// when the timeout expires if
// synthetic_mouse_event_.cmd has not been overwritten.
// occurred after the one used to start the timeout
// in the first place.
return;
-
+ }
+
synthetic_mouse_event_.restart_timeout = true;
synthetic_mouse_event_.timeout.start();
// Fall through to handle this event...
synthetic_mouse_event_.restart_timeout = false;
return;
}
-
- // Has anything changed on-screen since the last QMouseEvent
- // was received?
- if (e->x() == synthetic_mouse_event_.x_old
- && e->y() == synthetic_mouse_event_.y_old
- && synthetic_mouse_event_.min_scrollbar_old == verticalScrollBar()->minimum()
- && synthetic_mouse_event_.max_scrollbar_old == verticalScrollBar()->maximum()) {
- // Nothing changed on-screen since the last QMouseEvent.
- return;
- }
-
- // Yes something has changed. Store the params used to check this.
- synthetic_mouse_event_.x_old = e->x();
- synthetic_mouse_event_.y_old = e->y();
- synthetic_mouse_event_.min_scrollbar_old = verticalScrollBar()->minimum();
- synthetic_mouse_event_.max_scrollbar_old = verticalScrollBar()->maximum();
-
- // ... and dispatch the event to the LyX core.
dispatch(cmd);
}
{
// Wheel rotation by one notch results in a delta() of 120 (see
// documentation of QWheelEvent)
- int const delta = ev->delta() / 120;
- if (ev->modifiers() & Qt::ControlModifier) {
- docstring arg = convert<docstring>(5 * delta);
+ double const delta = ev->delta() / 120.0;
+ bool zoom = false;
+ switch (lyxrc.scroll_wheel_zoom) {
+ case LyXRC::SCROLL_WHEEL_ZOOM_CTRL:
+ zoom = ev->modifiers() & Qt::ControlModifier;
+ zoom &= !(ev->modifiers() & (Qt::ShiftModifier | Qt::AltModifier));
+ break;
+ case LyXRC::SCROLL_WHEEL_ZOOM_SHIFT:
+ zoom = ev->modifiers() & Qt::ShiftModifier;
+ zoom &= !(ev->modifiers() & (Qt::ControlModifier | Qt::AltModifier));
+ break;
+ case LyXRC::SCROLL_WHEEL_ZOOM_ALT:
+ zoom = ev->modifiers() & Qt::AltModifier;
+ zoom &= !(ev->modifiers() & (Qt::ShiftModifier | Qt::ControlModifier));
+ break;
+ case LyXRC::SCROLL_WHEEL_ZOOM_OFF:
+ break;
+ }
+ if (zoom) {
+ docstring arg = convert<docstring>(int(5 * delta));
lyx::dispatch(FuncRequest(LFUN_BUFFER_ZOOM_IN, arg));
return;
}
int scroll_value = lines > page_step
? page_step : lines * verticalScrollBar()->singleStep();
- // Take into account the rotation.
- scroll_value *= delta;
-
- // Take into account user preference.
- scroll_value = int(scroll_value * lyxrc.mouse_wheel_speed);
+ // Take into account the rotation and the user preferences.
+ scroll_value = int(scroll_value * delta * lyxrc.mouse_wheel_speed);
LYXERR(Debug::SCROLLING, "wheelScrollLines = " << lines
<< " delta = " << delta << " scroll_value = " << scroll_value
<< " page_step = " << page_step);
void GuiWorkArea::generateSyntheticMouseEvent()
{
+ int const e_y = synthetic_mouse_event_.cmd.y();
+ int const wh = buffer_view_->workHeight();
+ bool const up = e_y < 0;
+ bool const down = e_y > wh;
+
// Set things off to generate the _next_ 'pseudo' event.
- if (synthetic_mouse_event_.restart_timeout)
+ int step = 50;
+ if (synthetic_mouse_event_.restart_timeout) {
+ // This is some magic formulae to determine the speed
+ // of scrolling related to the position of the mouse.
+ int time = 200;
+ if (up || down) {
+ int dist = up ? -e_y : e_y - wh;
+ time = max(min(200, 250000 / (dist * dist)), 1) ;
+
+ if (time < 40) {
+ step = 80000 / (time * time);
+ time = 40;
+ }
+ }
+ synthetic_mouse_event_.timeout.setTimeout(time);
synthetic_mouse_event_.timeout.start();
+ }
+
+ // Can we scroll further ?
+ int const value = verticalScrollBar()->value();
+ if (value == verticalScrollBar()->maximum()
+ || value == verticalScrollBar()->minimum()) {
+ synthetic_mouse_event_.timeout.stop();
+ return;
+ }
+
+ // Scroll
+ if (step <= 2 * wh) {
+ buffer_view_->scroll(up ? -step : step);
+ buffer_view_->updateMetrics();
+ } else {
+ buffer_view_->scrollDocView(value + up ? -step : step, false);
+ }
+
+ // In which paragraph do we have to set the cursor ?
+ Cursor & cur = buffer_view_->cursor();
+ // FIXME: we don't know howto handle math.
+ Text * text = cur.text();
+ if (!text)
+ return;
+ TextMetrics const & tm = buffer_view_->textMetrics(text);
+
+ pair<pit_type, const ParagraphMetrics *> p = up ? tm.first() : tm.last();
+ ParagraphMetrics const & pm = *p.second;
+ pit_type const pit = p.first;
- // Has anything changed on-screen since the last timeout signal
- // was received?
- int const min_scrollbar = verticalScrollBar()->minimum();
- int const max_scrollbar = verticalScrollBar()->maximum();
- if (min_scrollbar == synthetic_mouse_event_.min_scrollbar_old
- && max_scrollbar == synthetic_mouse_event_.max_scrollbar_old) {
+ if (pm.rows().empty())
return;
+
+ // Find the row at which we set the cursor.
+ RowList::const_iterator rit = pm.rows().begin();
+ RowList::const_iterator rlast = pm.rows().end();
+ int yy = pm.position() - pm.ascent();
+ for (--rlast; rit != rlast; ++rit) {
+ int h = rit->height();
+ if ((up && yy + h > 0)
+ || (!up && yy + h > wh - defaultRowHeight()))
+ break;
+ yy += h;
}
- // Yes it has. Store the params used to check this.
- synthetic_mouse_event_.min_scrollbar_old = min_scrollbar;
- synthetic_mouse_event_.max_scrollbar_old = max_scrollbar;
- // ... and dispatch the event to the LyX core.
- dispatch(synthetic_mouse_event_.cmd);
+
+ // Find the position of the cursor
+ bool bound;
+ int x = synthetic_mouse_event_.cmd.x();
+ pos_type const pos = rit->pos() + tm.getColumnNearX(pit, *rit, x, bound);
+
+ // Set the cursor
+ cur.pit() = pit;
+ cur.pos() = pos;
+ cur.boundary(bound);
+
+ buffer_view_->buffer().changed(false);
+ return;
}
// do nothing if there are other events
// (the auto repeated events come too fast)
- // \todo FIXME: remove hard coded Qt keys, process the key binding
+ // it looks like this is only needed on X11
#ifdef Q_WS_X11
- if (XEventsQueued(QX11Info::display(), 0) > 1 && ev->isAutoRepeat()
- && (Qt::Key_PageDown || Qt::Key_PageUp)) {
- LYXERR(Debug::KEY, "system is busy: scroll key event ignored");
- ev->ignore();
- return;
+ if (qApp->hasPendingEvents() && ev->isAutoRepeat()) {
+ switch (ev->key()) {
+ case Qt::Key_PageDown:
+ case Qt::Key_PageUp:
+ case Qt::Key_Left:
+ case Qt::Key_Right:
+ case Qt::Key_Up:
+ case Qt::Key_Down:
+ LYXERR(Debug::KEY, "system is busy: scroll key event ignored");
+ ev->ignore();
+ return;
+ }
}
#endif
+ KeyModifier m = q_key_state(ev->modifiers());
+
+ std::string str;
+ if (m & ShiftModifier)
+ str += "Shift-";
+ if (m & ControlModifier)
+ str += "Control-";
+ if (m & AltModifier)
+ str += "Alt-";
+ if (m & MetaModifier)
+ str += "Meta-";
+
LYXERR(Debug::KEY, " count: " << ev->count() << " text: " << ev->text()
- << " isAutoRepeat: " << ev->isAutoRepeat() << " key: " << ev->key());
+ << " isAutoRepeat: " << ev->isAutoRepeat() << " key: " << ev->key()
+ << " keyState: " << str);
KeySymbol sym;
setKeySymbol(&sym, ev);
void GuiWorkArea::update(int x, int y, int w, int h)
{
- viewport()->repaint(x, y, w, h);
+ viewport()->update(x, y, w, h);
}
docstring maximize_title;
docstring minimize_title;
- Buffer & buf = buffer_view_->buffer();
- FileName const fileName = buf.fileName();
- if (!fileName.empty()) {
- maximize_title = fileName.displayName(30);
- minimize_title = from_utf8(fileName.onlyFileName());
+ Buffer const & buf = buffer_view_->buffer();
+ FileName const file_name = buf.fileName();
+ if (!file_name.empty()) {
+ maximize_title = file_name.displayName(130);
+ minimize_title = from_utf8(file_name.onlyFileName());
if (buf.lyxvc().inUse()) {
if (buf.lyxvc().locking())
maximize_title += _(" (version control, locking)");
maximize_title += _(" (read only)");
}
- QString title = windowTitle();
- QString new_title = toqstr(maximize_title);
- if (title == new_title)
- return;
-
- QWidget::setWindowTitle(new_title);
- QWidget::setWindowIconText(toqstr(minimize_title));
- titleChanged(this);
+ QString const new_title = toqstr(maximize_title);
+ if (new_title != windowTitle()) {
+ QWidget::setWindowTitle(new_title);
+ QWidget::setWindowIconText(toqstr(minimize_title));
+ titleChanged(this);
+ }
}
EmbeddedWorkArea::~EmbeddedWorkArea()
{
// No need to destroy buffer and bufferview here, because it is done
- // in theBuffeerList() destruction loop at application exit
+ // in theBufferList() destruction loop at application exit
}
void TabWorkArea::setFullScreen(bool full_screen)
{
for (int i = 0; i != count(); ++i) {
- if (GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(widget(i)))
+ if (GuiWorkArea * wa = workArea(i))
wa->setFullScreen(full_screen);
}
}
+GuiWorkArea * TabWorkArea::workArea(int index)
+{
+ return dynamic_cast<GuiWorkArea *>(widget(index));
+}
+
+
GuiWorkArea * TabWorkArea::workArea(Buffer & buffer)
{
// FIXME: this method doesn't work if we have more than work area
// showing the same buffer.
for (int i = 0; i != count(); ++i) {
- GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(widget(i));
+ GuiWorkArea * wa = workArea(i);
LASSERT(wa, return 0);
if (&wa->bufferView().buffer() == &buffer)
return wa;
void TabWorkArea::closeAll()
{
while (count()) {
- GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(widget(0));
+ GuiWorkArea * wa = workArea(0);
LASSERT(wa, /**/);
removeTab(0);
delete wa;
// returns e.g. on application destruction
if (i == -1)
return;
- GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(widget(i));
+ GuiWorkArea * wa = workArea(i);
LASSERT(wa, return);
wa->setUpdatesEnabled(true);
wa->redraw(true);
if (clicked_tab_ == -1)
wa = currentWorkArea();
else {
- wa = dynamic_cast<GuiWorkArea *>(widget(clicked_tab_));
+ wa = workArea(clicked_tab_);
LASSERT(wa, /**/);
}
wa->view().closeWorkArea(wa);
if (clicked_tab_ == -1)
wa = currentWorkArea();
else {
- wa = dynamic_cast<GuiWorkArea *>(widget(clicked_tab_));
+ wa = workArea(clicked_tab_);
LASSERT(wa, /**/);
}
wa->view().hideWorkArea(wa);
if (index == -1)
wa = currentWorkArea();
else {
- wa = dynamic_cast<GuiWorkArea *>(widget(index));
+ wa = workArea(index);
LASSERT(wa, /**/);
}
wa->view().closeWorkArea(wa);
// collect full names first: path into postfix, empty prefix and
// filename without extension
for (size_t i = 0; i < n; ++i) {
- GuiWorkArea * i_wa = dynamic_cast<GuiWorkArea *>(widget(i));
+ GuiWorkArea * i_wa = workArea(i);
FileName const fn = i_wa->bufferView().buffer().fileName();
paths.push_back(DisplayPath(i, fn));
}
// set new tab titles
for (It it = paths.begin(); it != paths.end(); ++it) {
- GuiWorkArea * i_wa = dynamic_cast<GuiWorkArea *>(widget(it->tab()));
- Buffer & buf = i_wa->bufferView().buffer();
+ int const tab_index = it->tab();
+ Buffer const & buf = workArea(tab_index)->bufferView().buffer();
+ QString tab_text = it->displayString();
if (!buf.fileName().empty() && !buf.isClean())
- setTabText(it->tab(), it->displayString() + "*");
- else
- setTabText(it->tab(), it->displayString());
+ tab_text += "*";
+ setTabText(tab_index, tab_text);
+ setTabToolTip(tab_index, it->abs());
}
}