]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/screen.C
Minipage is no more (long live the box inset)
[lyx.git] / src / frontends / screen.C
index 5f647b5a51d25074945d6286905640eb20c6b4a5..68da7ca38d9d6d22a7618964b4b69808e3db0a1f 100644 (file)
 #include <config.h>
 
 #include "screen.h"
+#include "font_metrics.h"
+#include "lyx_gui.h"
+#include "Painter.h"
+#include "WorkArea.h"
 
-#include "lyxtext.h"
-#include "lyxrc.h"
-#include "lyxrow.h"
 #include "BufferView.h"
 #include "buffer.h"
-#include "WorkArea.h"
-#include "Painter.h"
-#include "font_metrics.h"
-#include "language.h"
+#include "bufferparams.h"
+#include "cursor.h"
 #include "debug.h"
-#include "rowpainter.h"
-#include "insets/updatableinset.h"
-#include "lyx_gui.h"
-#include "metricsinfo.h"
-
-// Splash screen-specific stuff
+#include "language.h"
+#include "LColor.h"
 #include "lyxfont.h"
+#include "lyxrc.h"
+#include "lyxrow.h"
+#include "lyxtext.h"
+#include "metricsinfo.h"
+#include "paragraph.h"
+#include "rowpainter.h"
 #include "version.h"
 
-#include "graphics/GraphicsLoader.h"
+#include "insets/updatableinset.h"
+
 #include "graphics/GraphicsImage.h"
+#include "graphics/GraphicsLoader.h"
 
 #include "support/filetools.h" // LibFileSearch
 
 #include <boost/bind.hpp>
 #include <boost/signals/trackable.hpp>
 
-using namespace lyx::support;
+using lyx::support::LibFileSearch;
 
+using std::endl;
 using std::min;
 using std::max;
-using std::endl;
+using std::string;
+
 
 namespace {
 
@@ -148,7 +153,7 @@ void LyXScreen::showCursor(BufferView & bv)
 
        LyXText const & text = *bv.getLyXText();
        LyXFont const & realfont = text.real_current_font;
-       BufferParams const & bp = bv.buffer()->params;
+       BufferParams const & bp = bv.buffer()->params();
        bool const samelang = realfont.language() == bp.language;
        bool const isrtl = realfont.isVisibleRightToLeft();
 
@@ -158,39 +163,18 @@ void LyXScreen::showCursor(BufferView & bv)
                        shape = REVERSED_L_SHAPE;
        }
 
+       // The ERT language hack needs fixing up
+       if (realfont.language() == latex_language)
+               shape = BAR_SHAPE;
+
        int ascent = font_metrics::maxAscent(realfont);
        int descent = font_metrics::maxDescent(realfont);
        int h = ascent + descent;
        int x = 0;
        int y = 0;
-       int const top_y = bv.top_y();
-
-       if (bv.theLockingInset()) {
-               // Would be nice to clean this up to make some understandable sense...
-               UpdatableInset * inset = bv.theLockingInset();
-               inset->getCursor(bv, x, y);
-
-               // Non-obvious. The reason we have to have these
-               // extra checks is that the ->getCursor() calls rely
-               // on the inset's own knowledge of its screen position.
-               // If we scroll up or down in a big enough increment, the
-               // inset->draw() is not called: this doesn't update
-               // inset.top_baseline, so getCursor() returns an old value.
-               // Ugly as you like.
-               int bx, by;
-               inset->getCursorPos(&bv, bx, by);
-               by += inset->insetInInsetY() + bv.text->cursor.iy();
-               if (by < top_y)
-                       return;
-               if (by > top_y + workarea().workHeight())
-                       return;
-       } else {
-               x = bv.text->cursor.x();
-               y = bv.text->cursor.y();
-               y -= top_y;
-       }
-
-       y -= ascent;
+       bv.cursor().getPos(x, y);
+       y -= ascent + bv.top_y();
+       //lyxerr << "LyXScreen::showCursor x: " << x << " y: " << y << endl;
 
        // if it doesn't fit entirely on the screen, don't try to show it
        if (y < 0 || y + h > workarea().workHeight())
@@ -220,76 +204,45 @@ void LyXScreen::toggleCursor(BufferView & bv)
 }
 
 
-bool LyXScreen::fitManualCursor(BufferView * bv, LyXText * text,
-       int /*x*/, int y, int asc, int desc)
-{
-       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)
+bool LyXScreen::fitCursor(BufferView * bv)
 {
-       LyXCursor const & cursor = text->cursor;
-       int top_y = text->bv()->top_y();
+       int const top_y = bv->top_y();
+       int const h = workarea().workHeight();
        int newtop = top_y;
-       int const vheight = workarea().workHeight();
-
-       RowList::iterator row = text->cursorRow();
-
-       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;
-               }
+       int x, y, asc, desc;
 
-       } 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;
+       bv->cursor().getPos(x, y);
+       bv->cursor().getDim(asc, desc);
+       
+       bool const big_row = h / 4 < asc + desc && asc + desc < h;
+
+       if (y + desc - top_y >= h) {
+               if (big_row)
+                       newtop = y + desc - h;
+               else
+                       newtop = y - h / 2;
+
+       } else if (top_y > max(y - asc, 0)) {
+               if (big_row)
+                       newtop = y - asc;
+               else {
+                       newtop = y - h / 2;
                        newtop = min(newtop, top_y);
                }
        }
 
-       return max(newtop, 0);
-}
-
+       newtop = max(newtop, 0);
+       if (newtop == top_y)
+               return false;
 
-bool LyXScreen::fitCursor(LyXText * text, BufferView * bv)
-{
-       // Is a change necessary?
-       int const newtop = topCursorVisible(text);
-       bool const result = (newtop != bv->top_y());
        bv->top_y(newtop);
-       return result;
+       return true;
 }
 
 
 void LyXScreen::redraw(BufferView & bv)
 {
-       greyed_out_ = !bv.text;
+       greyed_out_ = !bv.text();
 
        if (greyed_out_) {
                greyOut();
@@ -304,12 +257,14 @@ void LyXScreen::redraw(BufferView & bv)
 
        // maybe we have to clear the screen at the bottom
        int const y2 = workarea().workHeight();
-       if (y < y2 && !bv.text->isInInset()) {
+       if (y < y2 && !bv.text()->isInInset()) {
                workarea().getPainter().fillRectangle(0, y,
                        workarea().workWidth(), y2 - y,
                        LColor::bottomarea);
        }
 
+       lyxerr << "Redraw screen" << endl;
+
        expose(0, 0, workarea().workWidth(), workarea().workHeight());
 
        workarea().getPainter().end();