get rid of broken_header.h and some unneeded tests

[lyx.git] / src / frontends / screen.C

diff --git a/src/frontends/screen.C b/src/frontends/screen.C
index fc8540e09a21781c1e4d3b58f9b3a2fa5d1f329f..d9b5b7c2be2c169e286595bc7c4153bac2b54bce 100644 (file)
--- a/src/frontends/screen.C
+++ b/src/frontends/screen.C
@@ -121,12 +121,12 @@ SplashScreen::SplashScreen()
 
 
 LyXScreen::LyXScreen()
-       : cursor_visible_(false), greyed_out_(true)
+       : greyed_out_(true), cursor_visible_(false)
 {
        // Start loading the pixmap as soon as possible
        if (lyxrc.show_banner) {
                SplashScreen const & splash = SplashScreen::get();
-               splash.connect(boost::bind(&LyXScreen::greyOut, this));
+               splash.connect(boost::bind(&LyXScreen::checkAndGreyOut, this));
                splash.startLoading();
        }
 }
@@ -137,6 +137,13 @@ LyXScreen::~LyXScreen()
 }
 
 
+void LyXScreen::checkAndGreyOut()
+{
+       if (greyed_out_)
+               greyOut();
+}
+
+
 void LyXScreen::showCursor(BufferView & bv)
 {
        // this is needed to make sure we copy back the right
@@ -167,13 +174,13 @@ void LyXScreen::showCursor(BufferView & bv)
        if (realfont.language() == latex_language)
                shape = BAR_SHAPE;
 
-       int ascent = font_metrics::maxAscent(realfont);
-       int descent = font_metrics::maxDescent(realfont);
+       int ascent, descent;
+       bv.cursor().getDim(ascent, descent);
        int h = ascent + descent;
        int x = 0;
        int y = 0;
        bv.cursor().getPos(x, y);
-       y -= ascent + bv.top_y();
+       y -= ascent;
        //lyxerr << "LyXScreen::showCursor x: " << x << " y: " << y << endl;
 
        // if it doesn't fit entirely on the screen, don't try to show it
@@ -204,109 +211,22 @@ void LyXScreen::toggleCursor(BufferView & bv)
 }
 
 
-bool LyXScreen::fitManualCursor(BufferView * bv, LyXText *,
-       int x, int y, int asc, int desc)
-{
-       lyxerr << "LyXScreen::fitManualCursor x: " << x << " y: " << y << std::endl;
-       int const vheight = workarea().workHeight();
-       int const topy = bv->top_y();
-       int newtop = topy;
-
-       if (y + desc - topy >= vheight)
-               newtop = y - 3 * vheight / 4;  // the scroll region must be so big!!
-       else if (y - asc < topy && topy > 0)
-               newtop = y - vheight / 4;
-
-       newtop = max(newtop, 0); // can newtop ever be < 0? (Lgb)
-
-       if (newtop == topy)
-               return false;
-
-       bv->top_y(newtop);
-       return true;
-}
-
-
-unsigned int LyXScreen::topCursorVisible(LyXText * text)
-{
-       LyXCursor const & cursor = text->cursor;
-       int top_y = text->bv()->top_y();
-       int newtop = top_y;
-       unsigned int const vheight = workarea().workHeight();
-
-       Row & row = *text->cursorPar()->getRow(cursor.pos());
-
-       if (int(cursor.y() - row.baseline() + row.height() - top_y) >= vheight) {
-               if (row.height() < vheight
-                   && row.height() > vheight / 4) {
-                       newtop = cursor.y()
-                               + row.height()
-                               - row.baseline() - vheight;
-               } else {
-                       // scroll down, the scroll region must be so big!!
-                       newtop = cursor.y() - vheight / 2;
-               }
-
-       } else if (int(cursor.y() - row.baseline()) < top_y && top_y > 0) {
-               if (row.height() < vheight && row.height() > vheight / 4) {
-                       newtop = cursor.y() - row.baseline();
-               } else {
-                       // scroll up
-                       newtop = cursor.y() - vheight / 2;
-                       newtop = min(newtop, top_y);
-               }
-       }
-
-       return max(newtop, 0);
-}
-
-
-bool LyXScreen::fitCursor(LyXText * text, BufferView * bv)
+void LyXScreen::redraw(BufferView & bv, ViewMetricsInfo const & vi)
 {
-       // Is a change necessary?
-       int const newtop = topCursorVisible(text);
-       bool const result = (newtop != bv->top_y());
-       bv->top_y(newtop);
-       return result;
-}
-
-
-void LyXScreen::redraw(BufferView & bv)
-{
-       greyed_out_ = !bv.text;
-
-       if (greyed_out_) {
-               greyOut();
-               return;
-       }
-
+       greyed_out_ = false;
        workarea().getPainter().start();
-
        hideCursor();
-
-       int const y = paintText(bv);
-
-       // maybe we have to clear the screen at the bottom
-       int const y2 = workarea().workHeight();
-       if (y < y2 && !bv.text->isInInset()) {
-               workarea().getPainter().fillRectangle(0, y,
-                       workarea().workWidth(), y2 - y,
-                       LColor::bottomarea);
-       }
-
-       lyxerr << "Redraw screen" << endl;
-
+       paintText(bv, vi);
+       lyxerr[Debug::DEBUG] << "Redraw screen" << endl;
        expose(0, 0, workarea().workWidth(), workarea().workHeight());
-
        workarea().getPainter().end();
+       showCursor(bv);
 }
 
 
 void LyXScreen::greyOut()
 {
-       if (!greyed_out_)
-               return;
-
+       greyed_out_ = true;
        workarea().getPainter().start();
 
        workarea().getPainter().fillRectangle(0, 0,