#include "QLyXKeySym.h"
#include "qt_helpers.h"
+#include "gettext.h"
#include "LyXView.h"
#include "BufferView.h"
+#include "rowpainter.h"
#include "debug.h"
#include "funcrequest.h"
#include "LColor.h"
+#include "version.h"
+#include "lyxrc.h"
+#include "support/filetools.h" // LibFileSearch
#include "support/os.h"
+#include "support/convert.h"
+
+#include "graphics/GraphicsImage.h"
+#include "graphics/GraphicsLoader.h"
#include <QLayout>
#include <QMainWindow>
#include <QMimeData>
#include <QUrl>
#include <QDragEnterEvent>
-#include <QPixmap>
#include <QPainter>
#include <QScrollBar>
#include <boost/bind.hpp>
#include <boost/current_function.hpp>
-// Abdel (26/06/2006):
-// On windows-XP the UserGuide PageDown scroll test is faster without event pruning (16 s)
-// than with it (23 s).
#ifdef Q_WS_WIN
- #define USE_EVENT_PRUNING 0
+int const CursorWidth = 2;
#else
- #define USE_EVENT_PRUNING 0
+int const CursorWidth = 1;
#endif
+
using std::endl;
using std::string;
namespace os = lyx::support::os;
+
namespace lyx {
+using support::FileName;
+
/// return the LyX key state from Qt's
static key_modifier::state q_key_state(Qt::KeyboardModifiers state)
{
}
-/// retddurn the LyX mouse button state from Qt's
-mouse_button::state q_motion_state(Qt::MouseButton state)
+/// return the LyX mouse button state from Qt's
+mouse_button::state q_motion_state(Qt::MouseButtons state)
{
mouse_button::state b = mouse_button::none;
if (state & Qt::LeftButton)
namespace frontend {
+class CursorWidget {
+public:
+ CursorWidget() {}
+
+ void draw(QPainter & painter)
+ {
+ // FIXME: do something depending on the cursor shape.
+ if (show_ && rect_.isValid())
+ painter.fillRect(rect_, color_);
+ }
+
+ void update(int x, int y, int h, CursorShape shape)
+ {
+ color_ = guiApp->colorCache().get(LColor::cursor);
+ rect_ = QRect(x, y, CursorWidth, h);
+ shape_ = shape;
+ }
+
+ void show(bool set_show = true) { show_ = set_show; }
+ void hide() { show_ = false; }
+
+ QRect const & rect() { return rect_; }
+
+private:
+ ///
+ CursorShape shape_;
+ ///
+ bool show_;
+ ///
+ QColor color_;
+ ///
+ QRect rect_;
+};
+
+
// 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()
{}
-GuiWorkArea::GuiWorkArea(int w, int h, LyXView & lyx_view)
- : WorkArea(lyx_view), painter_(this)
+GuiWorkArea::GuiWorkArea(int w, int h, int id, LyXView & lyx_view)
+ : WorkArea(id, lyx_view)
{
- setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
- setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ cursor_ = new frontend::CursorWidget();
+ cursor_->hide();
+ setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
+ setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setAcceptDrops(true);
-
+ setMouseTracking(true);
setMinimumSize(100, 70);
viewport()->setAutoFillBackground(false);
- viewport()->setAttribute(Qt::WA_OpaquePaintEvent);
+ // We don't need double-buffering nor SystemBackground on
+ // the viewport because we have our own backing pixmap.
+ viewport()->setAttribute(Qt::WA_NoSystemBackground);
+
setFocusPolicy(Qt::WheelFocus);
viewport()->setCursor(Qt::IBeamCursor);
<< "\n viewport height\t" << viewport()->height()
<< endl;
- if (USE_EVENT_PRUNING) {
- // This is the keyboard buffering stuff...
- // I don't see any need for this under windows. The keyboard is reactive
- // enough...
-
- if ( !QObject::connect(&step_timer_, SIGNAL(timeout()),
- this, SLOT(keyeventTimeout())) )
- lyxerr[Debug::GUI] << "ERROR: keyeventTimeout cannot connect!" << endl;
-
- // Start the timer, one-shot.
- step_timer_.setSingleShot(true);
- step_timer_.start(50);
- }
-
// Enables input methods for asian languages.
// Must be set when creating custom text editing widgets.
setAttribute(Qt::WA_InputMethodEnabled, true);
}
-GuiWorkArea::~GuiWorkArea()
-{
-}
-
-
void GuiWorkArea::setScrollbarParams(int h, int scroll_pos, int scroll_line_step)
{
+ if (verticalScrollBarPolicy() != Qt::ScrollBarAlwaysOn)
+ setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
+
verticalScrollBar()->setTracking(false);
// do what cursor movement does (some grey)
verticalScrollBar()->setRange(0, scroll_max_);
verticalScrollBar()->setSliderPosition(scroll_pos);
verticalScrollBar()->setSingleStep(scroll_line_step);
+ verticalScrollBar()->setValue(scroll_pos);
verticalScrollBar()->setTracking(true);
}
}
+void GuiWorkArea::focusInEvent(QFocusEvent * /*event*/)
+{
+ // No need to do anything if we didn't change views...
+// if (theApp() == 0 || &lyx_view_ == theApp()->currentView())
+// return;
+
+ theApp()->setCurrentView(lyx_view_);
+
+ // FIXME: it would be better to send a signal "newBuffer()"
+ // in BufferList that could be connected to the different tabbars.
+ lyx_view_.updateTab();
+
+ startBlinkingCursor();
+}
+
+
+void GuiWorkArea::focusOutEvent(QFocusEvent * /*event*/)
+{
+ stopBlinkingCursor();
+}
+
+
void GuiWorkArea::mousePressEvent(QMouseEvent * e)
{
if (dc_event_.active && dc_event_ == *e) {
void GuiWorkArea::mouseMoveEvent(QMouseEvent * e)
{
FuncRequest cmd(LFUN_MOUSE_MOTION, e->x(), e->y(),
- q_motion_state(e->button()));
+ q_motion_state(e->buttons()));
// If we're above or below the work area...
if (e->y() <= 20 || e->y() >= viewport()->height() - 20) {
<< " key=" << e->key()
<< endl;
- if (USE_EVENT_PRUNING) {
- keyeventQueue_.push(boost::shared_ptr<QKeyEvent>(new QKeyEvent(*e)));
- }
- else {
- boost::shared_ptr<QLyXKeySym> sym(new QLyXKeySym);
- sym->set(e);
- processKeySym(sym, q_key_state(e->modifiers()));
- }
-}
-
-
-// This is used only if USE_EVENT_PRUNING is defined...
-void GuiWorkArea::keyeventTimeout()
-{
- bool handle_autos = true;
-
- while (!keyeventQueue_.empty()) {
- boost::shared_ptr<QKeyEvent> ev = keyeventQueue_.front();
-
- // We never handle more than one auto repeated
- // char in a list of queued up events.
- if (!handle_autos && ev->isAutoRepeat()) {
- keyeventQueue_.pop();
- continue;
- }
-
- boost::shared_ptr<QLyXKeySym> sym(new QLyXKeySym);
- sym->set(ev.get());
-
- lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
- << " count=" << ev->count()
- << " text=" << fromqstr(ev->text())
- << " isAutoRepeat=" << ev->isAutoRepeat()
- << " key=" << ev->key()
- << endl;
-
- processKeySym(sym, q_key_state(ev->modifiers()));
- keyeventQueue_.pop();
-
- handle_autos = false;
- }
-
- // Restart the timer.
- step_timer_.setSingleShot(true);
- step_timer_.start(25);
+ boost::shared_ptr<QLyXKeySym> sym(new QLyXKeySym);
+ sym->set(e);
+ processKeySym(sym, q_key_state(e->modifiers()));
}
}
-void GuiWorkArea::resizeEvent(QResizeEvent *)
+void GuiWorkArea::resizeEvent(QResizeEvent * ev)
{
+ stopBlinkingCursor();
+ screen_ = QPixmap(ev->size().width(), ev->size().height());
verticalScrollBar()->setPageStep(viewport()->height());
- paint_device_ = QPixmap(viewport()->width(), viewport()->height());
+ QAbstractScrollArea::resizeEvent(ev);
resizeBufferView();
+ startBlinkingCursor();
}
}
-void GuiWorkArea::paintEvent(QPaintEvent * e)
+void GuiWorkArea::doGreyOut(QLPainter & pain)
{
- /*
- lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
- << "\n QWidget width\t" << this->width()
- << "\n QWidget height\t" << this->height()
- << "\n viewport width\t" << viewport()->width()
- << "\n viewport height\t" << viewport()->height()
- << "\n pixmap width\t" << pixmap_->width()
- << "\n pixmap height\t" << pixmap_->height()
- << "\n QPaintEvent x\t" << e->rect().x()
- << "\n QPaintEvent y\t" << e->rect().y()
- << "\n QPaintEvent w\t" << e->rect().width()
- << "\n QPaintEvent h\t" << e->rect().height()
- << endl;
- */
+ setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
+
+ pain.fillRectangle(0, 0, width(), height(),
+ LColor::bottomarea);
+
+ //if (!lyxrc.show_banner)
+ // return;
+ lyxerr[Debug::GUI] << "show banner: " << lyxrc.show_banner << endl;
+ /// The text to be written on top of the pixmap
+ QString const text = lyx_version ? QString(lyx_version) : qt_("unknown version");
+ FileName const file = support::libFileSearch("images", "banner", "ppm");
+ if (file.empty())
+ return;
- QPainter q(viewport());
- q.drawPixmap(e->rect(), paint_device_, e->rect());
+ QPixmap pm(toqstr(file.absFilename()));
+ if (!pm) {
+ lyxerr << "could not load splash screen: '" << file << "'" << endl;
+ return;
+ }
- if (show_vcursor_)
- q.drawPixmap(cursor_x_, cursor_y_, vcursor_);
+ QFont font;
+ // The font used to display the version info
+ font.setStyleHint(QFont::SansSerif);
+ font.setWeight(QFont::Bold);
+ font.setPointSize(convert<int>(lyxrc.font_sizes[LyXFont::SIZE_LARGE]));
- if (show_hcursor_)
- q.drawPixmap(cursor_x_, cursor_y_ + cursor_h_ - 1, hcursor_);
-}
+ int const w = pm.width();
+ int const h = pm.height();
+ int x = (width() - w) / 2;
+ int y = (height() - h) / 2;
-QPixmap GuiWorkArea::copyScreen(int x, int y, int w, int h) const
-{
- return paint_device_.copy(x, y, w, h);
-}
+ pain.drawPixmap(x, y, pm);
+ x += 300;
+ y += 265;
-void GuiWorkArea::drawScreen(int x, int y, QPixmap pixmap)
-{
- QPainter q(&paint_device_);
- q.drawPixmap(x, y, pixmap);
- update(x, y, pixmap.width(), pixmap.height());
+ pain.setPen(QColor(255, 255, 0));
+ pain.setFont(font);
+ pain.drawText(x, y, text);
}
-void GuiWorkArea::expose(int x, int y, int w, int h)
+void GuiWorkArea::paintEvent(QPaintEvent * ev)
{
+ QRect const rc = ev->rect();
/*
- if (x == 0 && y == 0 && w == viewport()->width() && h == viewport()->height()) {
- viewport()->repaint(x, y, w, h);
- return;
- }
+ lyxerr[Debug::PAINTING] << "paintEvent begin: x: " << rc.x()
+ << " y: " << rc.y()
+ << " w: " << rc.width()
+ << " h: " << rc.height() << endl;
*/
- update(x, y, w, h);
+ QPainter pain(viewport());
+ pain.drawPixmap(rc, screen_, rc);
+ cursor_->draw(pain);
}
-void GuiWorkArea::showCursor(int x, int y, int h, CursorShape shape)
+void GuiWorkArea::expose(int x, int y, int w, int h)
{
- if (!qApp->focusWidget())
- return;
-
- show_vcursor_ = true;
+ QLPainter pain(&screen_);
- QColor const & required_color = guiApp->colorCache().get(LColor::cursor);
-
- if (x==cursor_x_ && y==cursor_y_ && h==cursor_h_
- && cursor_color_ == required_color
- && cursor_shape_ == shape) {
- show_hcursor_ = lshape_cursor_;
- update(cursor_x_, cursor_y_, cursor_w_, cursor_h_);
+ if (greyed_out_) {
+ lyxerr[Debug::GUI] << "splash screen requested" << endl;
+ doGreyOut(pain);
+ verticalScrollBar()->hide();
+ update(0, 0, width(), height());
return;
}
- // Cache the dimensions of the cursor.
- cursor_x_ = x;
- cursor_y_ = y;
- cursor_h_ = h;
- cursor_color_ = required_color;
- cursor_shape_ = shape;
-
- switch (cursor_shape_) {
- case BAR_SHAPE:
- // FIXME the cursor width shouldn't be hard-coded!
- cursor_w_ = 2;
- lshape_cursor_ = false;
- break;
- case L_SHAPE:
- cursor_w_ = cursor_h_ / 3;
- lshape_cursor_ = true;
- break;
- case REVERSED_L_SHAPE:
- cursor_w_ = cursor_h_ / 3;
- cursor_x_ -= cursor_w_ - 1;
- lshape_cursor_ = true;
- break;
- }
-
- // We cache two pixmaps:
- // 1 the vertical line of the cursor.
- // 2 the horizontal line of the L-shaped cursor (if necessary).
-
- // Draw the new (vertical) cursor.
- vcursor_ = QPixmap(cursor_w_, cursor_h_);
- vcursor_.fill(cursor_color_);
+ verticalScrollBar()->show();
+ paintText(*buffer_view_, pain);
+ update(x, y, w, h);
+}
- // Draw the new (horizontal) cursor if necessary.
- if (lshape_cursor_) {
- hcursor_ = QPixmap(cursor_w_, 1);
- hcursor_.fill(cursor_color_);
- show_hcursor_ = true;
- }
- update(cursor_x_, cursor_y_, cursor_w_, cursor_h_);
+void GuiWorkArea::showCursor(int x, int y, int h, CursorShape shape)
+{
+ cursor_->update(x, y, h, shape);
+ cursor_->show();
+ viewport()->update(cursor_->rect());
}
void GuiWorkArea::removeCursor()
{
- show_vcursor_ = false;
- show_hcursor_ = false;
-
- update(cursor_x_, cursor_y_, cursor_w_, cursor_h_);
+ cursor_->hide();
+ //if (!qApp->focusWidget())
+ viewport()->update(cursor_->rect());
}
key = Qt::Key_AsciiCircum;
// FIXME: Needs for investigation, this key is not really used,
// the ctor below just check if key is different from 0.
- QKeyEvent ev(QEvent::KeyPress, key,
- Qt::NoModifier, text);
+ QKeyEvent ev(QEvent::KeyPress, key, Qt::NoModifier, text);
keyPressEvent(&ev);
}
e->accept();
projects / lyx.git / blobdiff