#include "GuiWorkArea.h"
-#include "GuiApplication.h"
-#include "GuiPainter.h"
-#include "GuiKeySymbol.h"
-#include "qt_helpers.h"
-
-#include "frontends/LyXView.h"
-
#include "Buffer.h"
+#include "BufferParams.h"
#include "BufferView.h"
+#include "CoordCache.h"
#include "Cursor.h"
#include "debug.h"
+#include "Font.h"
#include "FuncRequest.h"
+#include "gettext.h"
+#include "GuiApplication.h"
+#include "GuiKeySymbol.h"
+#include "GuiPainter.h"
+#include "KeySymbol.h"
+#include "Language.h"
#include "LyXFunc.h"
#include "LyXRC.h"
+#include "MetricsInfo.h"
+#include "qt_helpers.h"
#include "version.h"
#include "graphics/GraphicsImage.h"
#include "graphics/GraphicsLoader.h"
+#include "support/FileName.h"
+#include "support/ForkedcallsController.h"
+
+#include "frontends/Application.h"
+#include "frontends/Dialogs.h" // only used in setReadOnly
+#include "frontends/FontMetrics.h"
+#include "frontends/LyXView.h"
+#include "frontends/WorkAreaManager.h"
+
#include <QInputContext>
#include <QLayout>
#include <QMainWindow>
#include <QTabBar>
#include <QTimer>
-#include <boost/current_function.hpp>
#include <boost/bind.hpp>
+#include <boost/current_function.hpp>
#ifdef Q_WS_X11
#include <QX11Info>
#undef NoModifier
using std::endl;
+using std::min;
+using std::max;
using std::string;
namespace lyx {
using support::FileName;
+using support::ForkedcallsController;
+
/// return the LyX mouse button state from Qt's
static mouse_button::state q_button_state(Qt::MouseButton button)
{}
-GuiWorkArea::GuiWorkArea(Buffer & buf, LyXView & lv)
- : WorkArea(buf, lv), need_resize_(false), schedule_redraw_(false),
- preedit_lines_(1)
+
+// All the below connection objects are needed because of a bug in some
+// versions of GCC (<=2.96 are on the suspects list.) By having and assigning
+// to these connections we avoid a segfault upon startup, and also at exit.
+// (Lgb)
+
+static boost::signals::connection timecon;
+
+// HACK: FIXME
+WorkArea::~WorkArea() {}
+
+
+GuiWorkArea::GuiWorkArea(Buffer & buffer, LyXView & lv)
+ : buffer_view_(new BufferView(buffer)), lyx_view_(&lv),
+ cursor_visible_(false), cursor_timeout_(400),
+ need_resize_(false), schedule_redraw_(false),
+ preedit_lines_(1)
{
+ buffer.workAreaManager().add(this);
+ // Setup the signals
+ timecon = cursor_timeout_.timeout
+ .connect(boost::bind(&GuiWorkArea::toggleCursor, this));
+
+ cursor_timeout_.start();
+
screen_ = QPixmap(viewport()->width(), viewport()->height());
cursor_ = new frontend::CursorWidget();
cursor_->hide();
synthetic_mouse_event_.timeout.timeout.connect(
boost::bind(&GuiWorkArea::generateSyntheticMouseEvent,
- this));
+ this));
// Initialize the vertical Scroll Bar
QObject::connect(verticalScrollBar(), SIGNAL(actionTriggered(int)),
}
+
+GuiWorkArea::~GuiWorkArea()
+{
+ buffer_view_->buffer().workAreaManager().remove(this);
+ delete buffer_view_;
+}
+
+
+void GuiWorkArea::close()
+{
+ lyx_view_->removeWorkArea(this);
+}
+
+
+BufferView & GuiWorkArea::bufferView()
+{
+ return *buffer_view_;
+}
+
+
+BufferView const & GuiWorkArea::bufferView() const
+{
+ return *buffer_view_;
+}
+
+
+void GuiWorkArea::stopBlinkingCursor()
+{
+ cursor_timeout_.stop();
+ hideCursor();
+}
+
+
+void GuiWorkArea::startBlinkingCursor()
+{
+ showCursor();
+ cursor_timeout_.restart();
+}
+
+
+void GuiWorkArea::redraw()
+{
+ if (!isVisible())
+ // No need to redraw in this case.
+ return;
+
+ // No need to do anything if this is the current view. The BufferView
+ // metrics are already up to date.
+ if (lyx_view_ != theApp()->currentView()) {
+ // FIXME: it would be nice to optimize for the off-screen case.
+ buffer_view_->updateMetrics();
+ buffer_view_->cursor().fixIfBroken();
+ }
+
+ updateScrollbar();
+
+ // update cursor position, because otherwise it has to wait until
+ // the blinking interval is over
+ if (cursor_visible_) {
+ hideCursor();
+ showCursor();
+ }
+
+ ViewMetricsInfo const & vi = buffer_view_->viewMetricsInfo();
+
+ LYXERR(Debug::WORKAREA) << "WorkArea::redraw screen" << endl;
+
+ int const ymin = std::max(vi.y1, 0);
+ int const ymax = vi.p2 < vi.size - 1 ? vi.y2 : height();
+
+ expose(0, ymin, width(), ymax - ymin);
+
+ //LYXERR(Debug::WORKAREA)
+ //<< " ymin = " << ymin << " width() = " << width()
+// << " ymax-ymin = " << ymax-ymin << std::endl;
+
+ if (lyxerr.debugging(Debug::WORKAREA))
+ buffer_view_->coordCache().dump();
+}
+
+
+void GuiWorkArea::processKeySym(KeySymbol const & key, KeyModifier mod)
+{
+ // In order to avoid bad surprise in the middle of an operation,
+ // we better stop the blinking cursor.
+ stopBlinkingCursor();
+
+ theLyXFunc().setLyXView(lyx_view_);
+ theLyXFunc().processKeySym(key, mod);
+}
+
+
+void GuiWorkArea::dispatch(FuncRequest const & cmd0, KeyModifier mod)
+{
+ // Handle drag&drop
+ if (cmd0.action == LFUN_FILE_OPEN) {
+ lyx_view_->dispatch(cmd0);
+ return;
+ }
+
+ theLyXFunc().setLyXView(lyx_view_);
+
+ FuncRequest cmd;
+
+ if (cmd0.action == LFUN_MOUSE_PRESS) {
+ if (mod == ShiftModifier)
+ cmd = FuncRequest(cmd0, "region-select");
+ else if (mod == ControlModifier)
+ cmd = FuncRequest(cmd0, "paragraph-select");
+ else
+ cmd = cmd0;
+ }
+ else
+ cmd = cmd0;
+
+ // In order to avoid bad surprise in the middle of an operation, we better stop
+ // the blinking cursor.
+ if (!(cmd.action == LFUN_MOUSE_MOTION
+ && cmd.button() == mouse_button::none))
+ stopBlinkingCursor();
+
+ buffer_view_->mouseEventDispatch(cmd);
+
+ // Skip these when selecting
+ if (cmd.action != LFUN_MOUSE_MOTION) {
+ lyx_view_->updateLayoutChoice(false);
+ lyx_view_->updateToolbars();
+ }
+
+ // GUI tweaks except with mouse motion with no button pressed.
+ if (!(cmd.action == LFUN_MOUSE_MOTION
+ && cmd.button() == mouse_button::none)) {
+ // Slight hack: this is only called currently when we
+ // clicked somewhere, so we force through the display
+ // of the new status here.
+ lyx_view_->clearMessage();
+
+ // Show the cursor immediately after any operation.
+ startBlinkingCursor();
+ }
+}
+
+
+void GuiWorkArea::resizeBufferView()
+{
+ // WARNING: Please don't put any code that will trigger a repaint here!
+ // We are already inside a paint event.
+ lyx_view_->setBusy(true);
+ buffer_view_->resize(width(), height());
+ lyx_view_->updateLayoutChoice(false);
+ lyx_view_->setBusy(false);
+}
+
+
+void GuiWorkArea::updateScrollbar()
+{
+ buffer_view_->updateScrollbar();
+ ScrollbarParameters const & scroll_ = buffer_view_->scrollbarParameters();
+ setScrollbarParams(scroll_.height, scroll_.position,
+ scroll_.lineScrollHeight);
+}
+
+
+void GuiWorkArea::showCursor()
+{
+ if (cursor_visible_)
+ return;
+
+ CursorShape shape = BAR_SHAPE;
+
+ Font const & realfont = buffer_view_->cursor().real_current_font;
+ BufferParams const & bp = buffer_view_->buffer().params();
+ bool const samelang = realfont.language() == bp.language;
+ bool const isrtl = realfont.isVisibleRightToLeft();
+
+ if (!samelang || isrtl != bp.language->rightToLeft()) {
+ shape = L_SHAPE;
+ if (isrtl)
+ shape = REVERSED_L_SHAPE;
+ }
+
+ // The ERT language hack needs fixing up
+ if (realfont.language() == latex_language)
+ shape = BAR_SHAPE;
+
+ Font const font = buffer_view_->cursor().getFont();
+ FontMetrics const & fm = theFontMetrics(font);
+ int const asc = fm.maxAscent();
+ int const des = fm.maxDescent();
+ int h = asc + des;
+ int x = 0;
+ int y = 0;
+ buffer_view_->cursor().getPos(x, y);
+ y -= asc;
+
+ // if it doesn't touch the screen, don't try to show it
+ if (y + h < 0 || y >= height())
+ return;
+
+ cursor_visible_ = true;
+ showCursor(x, y, h, shape);
+}
+
+
+void GuiWorkArea::hideCursor()
+{
+ if (!cursor_visible_)
+ return;
+
+ cursor_visible_ = false;
+ removeCursor();
+}
+
+
+void GuiWorkArea::toggleCursor()
+{
+ if (cursor_visible_)
+ hideCursor();
+ else
+ showCursor();
+
+ // Use this opportunity to deal with any child processes that
+ // have finished but are waiting to communicate this fact
+ // to the rest of LyX.
+ ForkedcallsController & fcc = ForkedcallsController::get();
+ fcc.handleCompletedProcesses();
+
+ cursor_timeout_.restart();
+}
+
+
void GuiWorkArea::setScrollbarParams(int h, int scroll_pos, int scroll_line_step)
{
if (verticalScrollBarPolicy() != Qt::ScrollBarAlwaysOn)
void GuiWorkArea::mouseDoubleClickEvent(QMouseEvent * ev)
{
- dc_event_ = double_click(ev);
+ dc_event_ = DoubleClick(ev);
QTimer::singleShot(QApplication::doubleClickInterval(), this,
SLOT(doubleClickTimeout()));
FuncRequest cmd(LFUN_MOUSE_DOUBLE,
screen_ = QPixmap(viewport()->width(), viewport()->height());
resizeBufferView();
updateScreen();
- WorkArea::hideCursor();
- WorkArea::showCursor();
+ hideCursor();
+ showCursor();
need_resize_ = false;
}
}
+void GuiWorkArea::updateWindowTitle()
+{
+ 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());
+ if (!buf.isClean()) {
+ maximize_title += _(" (changed)");
+ minimize_title += char_type('*');
+ }
+ if (buf.isReadonly())
+ maximize_title += _(" (read only)");
+ }
+
+ setWindowTitle(maximize_title, minimize_title);
+}
+
+
+void GuiWorkArea::setReadOnly(bool)
+{
+ updateWindowTitle();
+ if (this == lyx_view_->currentWorkArea())
+ lyx_view_->getDialogs().updateBufferDependent(false);
+}
+
+
////////////////////////////////////////////////////////////////////
//
// TabWorkArea
//
////////////////////////////////////////////////////////////////////
-TabWorkArea::TabWorkArea(QWidget * parent): QTabWidget(parent)
+TabWorkArea::TabWorkArea(QWidget * parent) : QTabWidget(parent)
{
QPalette pal = palette();
- pal.setColor(QPalette::Active, QPalette::Button, pal.color(QPalette::Active, QPalette::Window));
- pal.setColor(QPalette::Disabled, QPalette::Button, pal.color(QPalette::Disabled, QPalette::Window));
- pal.setColor(QPalette::Inactive, QPalette::Button, pal.color(QPalette::Inactive, QPalette::Window));
+ pal.setColor(QPalette::Active, QPalette::Button,
+ pal.color(QPalette::Active, QPalette::Window));
+ pal.setColor(QPalette::Disabled, QPalette::Button,
+ pal.color(QPalette::Disabled, QPalette::Window));
+ pal.setColor(QPalette::Inactive, QPalette::Button,
+ pal.color(QPalette::Inactive, QPalette::Window));
QToolButton * closeTabButton = new QToolButton(this);
closeTabButton->setPalette(pal);
projects / features.git / blobdiff