]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/WorkArea.C
enable Font cache only for MacOSX and inline width() for other platform.
[lyx.git] / src / frontends / WorkArea.C
index 21fa3fb9b0036661fd0b55bf0b27ef3f573139a6..aa4089a26cffe60a294cd48de75149ace8e9f1c5 100644 (file)
@@ -16,7 +16,9 @@
 #include "WorkArea.h"
 
 #include "font_metrics.h"
+#include "funcrequest.h"
 #include "lyx_gui.h"
+#include "lyxfunc.h"
 #include "Painter.h"
 
 #include "BufferView.h"
@@ -31,6 +33,7 @@
 #include "lyxrc.h"
 #include "lyxrow.h"
 #include "lyxtext.h"
+#include "LyXView.h"
 #include "metricsinfo.h"
 #include "paragraph.h"
 #include "rowpainter.h"
 #include "graphics/GraphicsImage.h"
 #include "graphics/GraphicsLoader.h"
 
+#include "gettext.h"
 #include "support/filetools.h" // LibFileSearch
 #include "support/forkedcontr.h"
 
 #include <boost/utility.hpp>
 #include <boost/bind.hpp>
-#include <boost/signals/trackable.hpp>
+#include <boost/current_function.hpp>
 
 using lyx::support::libFileSearch;
 using lyx::support::ForkedcallsController;
@@ -55,20 +59,12 @@ using std::max;
 using std::string;
 
 
-namespace {
-
-// 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)
-
-boost::signals::connection timecon;
-
-} // anon namespace
-
 namespace lyx {
 namespace frontend {
 
+// FIXME: The SplashScreen should be transfered to the
+// LyXView and create a WorkArea only when a new buffer exists. This
+// will allow to call WorkArea::redraw() in the constructor.
 class SplashScreen : boost::noncopyable, boost::signals::trackable {
 public:
        /// This is a singleton class. Get the instance.
@@ -131,9 +127,20 @@ SplashScreen::SplashScreen()
        loader_.reset(file);
 }
 
-WorkArea::WorkArea(BufferView * buffer_view)
-       : buffer_view_(buffer_view), greyed_out_(true),
-         cursor_visible_(false), cursor_timeout_(400)
+namespace {
+
+// 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)
+
+boost::signals::connection timecon;
+
+} // anon namespace
+
+WorkArea::WorkArea(LyXView & lyx_view)
+       :  buffer_view_(0), lyx_view_(lyx_view), greyed_out_(true),
+       cursor_visible_(false), cursor_timeout_(400)
 {
        // Start loading the pixmap as soon as possible
        if (lyxrc.show_banner) {
@@ -152,7 +159,21 @@ WorkArea::WorkArea(BufferView * buffer_view)
 
 void WorkArea::setBufferView(BufferView * buffer_view)
 {
+       if (buffer_view_) {
+               message_connection_.disconnect();
+               lyx_view_.disconnectBufferView();
+       }
+
+       theApp->setBufferView(buffer_view);
+
+       hideCursor();
        buffer_view_ = buffer_view;
+       toggleCursor();
+
+       message_connection_ = buffer_view_->message.connect(
+                       boost::bind(&WorkArea::displayMessage, this, _1));
+
+       lyx_view_.connectBufferView(*buffer_view);
 }
 
 
@@ -177,45 +198,42 @@ void WorkArea::checkAndGreyOut()
 
 void WorkArea::redraw()
 {
-       BOOST_ASSERT(buffer_view_);
+       if (!buffer_view_)
+               return;
 
        if (!buffer_view_->buffer()) {
                greyOut();
+               updateScrollbar();
                return;
        }
 
-       if (!buffer_view_->needsRedraw())
-               return;
-
-       greyed_out_ = false;
-       ViewMetricsInfo const & vi = buffer_view_->viewMetricsInfo();
+       buffer_view_->updateMetrics(false);
 
-       Painter & pain = getPainter();
+       updateScrollbar();
 
-       pain.start();
-       paintText(*buffer_view_, vi, pain);
+       ViewMetricsInfo const & vi = buffer_view_->viewMetricsInfo();
+       greyed_out_ = false;
+       getPainter().start();
+       paintText(*buffer_view_, vi, getPainter());
        lyxerr[Debug::DEBUG] << "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);
-       pain.end();
-       //theCoords.doneUpdating();
-       buffer_view_->needsRedraw(false);
-
-       if (lyxerr.debugging(Debug::DEBUG)) {
-               lyxerr[Debug::DEBUG]
-                       << "  ymin = " << ymin << "  width() = " << width()
-                       << "  ymax-ymin = " << ymax-ymin << std::endl;
-       }
+       getPainter().end();
+
+       lyxerr[Debug::DEBUG]
+       << "  ymin = " << ymin << "  width() = " << width()
+               << "  ymax-ymin = " << ymax-ymin << std::endl;
 }
 
 
-void WorkArea::processKeySym(LyXKeySymPtr key, key_modifier::state state)
+void WorkArea::processKeySym(LyXKeySymPtr key,
+                                                        key_modifier::state state)
 {
        hideCursor();
+       lyx_view_.getLyXFunc().processKeySym(key, state);
 
-       buffer_view_->workAreaKeyPress(key, state);
        /* This is perhaps a bit of a hack. When we move
         * around, or type, it's nice to be able to see
         * the cursor immediately after the keypress. So
@@ -223,9 +241,73 @@ void WorkArea::processKeySym(LyXKeySymPtr key, key_modifier::state state)
         * of the cursor. Note we cannot do this inside
         * dispatch() itself, because that's called recursively.
         */
-       //     if (buffer_view_->available())
+//     if (buffer_view_->buffer())
        toggleCursor();
+       
+       // uneeded "redraw()" call commented out for now.
+       // When/if the call to LyXView::redrawWorkArea() in "lyxfunc.C:1610"
+       // is not needed anymore, this line should be uncommented out
+       //redraw();
+}
+
+
+void WorkArea::dispatch(FuncRequest const & cmd0)
+{
+       // Handle drag&drop
+       if (cmd0.action == LFUN_FILE_OPEN) {
+               lyx_view_.dispatch(cmd0);
+               return;
+       }
+
+       buffer_view_->workAreaDispatch(cmd0);
+
+       // Skip these when selecting
+       if (cmd0.action != LFUN_MOUSE_MOTION) {
+               lyx_view_.updateLayoutChoice();
+               lyx_view_.updateMenubar();
+               lyx_view_.updateToolbars();
+       }
+
+       // 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();
+
+       redraw();
+}
+
 
+void WorkArea::resizeBufferView()
+{
+       lyx_view_.busy(true);
+       lyx_view_.message(_("Formatting document..."));
+       buffer_view_->workAreaResize(width(), height());
+       lyx_view_.updateLayoutChoice();
+       redraw();
+       lyx_view_.busy(false);
+       lyx_view_.clearMessage();
+}
+
+
+void WorkArea::updateScrollbar()
+{
+       buffer_view_->updateScrollbar(); 
+       ScrollbarParameters const & scroll_ = buffer_view_->scrollbarParameters();
+       setScrollbarParams(scroll_.height, scroll_.position,
+               scroll_.lineScrollHeight);
+}
+
+
+void WorkArea::scrollBufferView(int position)
+{
+       buffer_view_->scrollDocView(position);
+       redraw();
+       hideCursor();
+       if (lyxrc.cursor_follows_scrollbar) {
+               buffer_view_->setCursorFromScrollbar();
+               lyx_view_.updateLayoutChoice();
+       }
+       toggleCursor();
 }
 
 
@@ -254,7 +336,9 @@ void WorkArea::greyOut()
                x += 260;
                y += 265;
 
-               getPainter().text(x, y, splash.text(), splash.font());
+               string stext = splash.text();
+               docstring dstext(stext.begin(), stext.end());
+               getPainter().text(x, y, dstext, splash.font());
        }
        expose(0, 0, width(), height());
        getPainter().end();
@@ -266,7 +350,7 @@ void WorkArea::showCursor()
        if (cursor_visible_)
                return;
 
-       if (!buffer_view_->available())
+       if (!buffer_view_->buffer())
                return;
 
        CursorShape shape = BAR_SHAPE;
@@ -335,5 +419,10 @@ void WorkArea::toggleCursor()
 }
 
 
+void WorkArea::displayMessage(lyx::docstring const & message)
+{
+       lyx_view_.message(message);
+}
+
 } // namespace frontend
 } // namespace lyx