*
* \author John Levon
*
- * Full author contact details are available in file CREDITS
+ * Full author contact details are available in file CREDITS.
*
* Splash screen code added by Angus Leeming
*/
-
#include <config.h>
#include "screen.h"
+
#include "lyxtext.h"
#include "lyxrc.h"
#include "lyxrow.h"
#include "debug.h"
#include "rowpainter.h"
#include "insets/updatableinset.h"
-#include "mathed/formulabase.h"
#include "lyx_gui.h"
+#include "metricsinfo.h"
// Splash screen-specific stuff
#include "lyxfont.h"
using std::max;
using std::endl;
-namespace grfx = lyx::graphics;
-
namespace {
class SplashScreen : boost::noncopyable, boost::signals::trackable {
/// This is a singleton class. Get the instance.
static SplashScreen const & get();
///
- grfx::Image const * image() const { return loader_.image(); }
+ lyx::graphics::Image const * image() const { return loader_.image(); }
///
string const & text() const { return text_; }
///
LyXFont const & font() const { return font_; }
///
- void connect(grfx::Loader::slot_type const & slot) const {
+ void connect(lyx::graphics::Loader::slot_type const & slot) const {
loader_.connect(slot);
}
///
void startLoading() const {
- if (loader_.status() == grfx::WaitingToLoad)
+ if (loader_.status() == lyx::graphics::WaitingToLoad)
loader_.startLoading();
}
SplashScreen();
///
- grfx::Loader loader_;
+ lyx::graphics::Loader loader_;
/// The text to be written on top of the pixmap
string const text_;
/// in this font...
Cursor_Shape shape = BAR_SHAPE;
LyXText const & text = *bv.getLyXText();
- LyXFont const & realfont(text.real_current_font);
- BufferParams const & bp(bv.buffer()->params);
+ LyXFont const & realfont = text.real_current_font;
+ BufferParams const & bp = bv.buffer()->params;
bool const samelang = realfont.language() == bp.language;
bool const isrtl = realfont.isVisibleRightToLeft();
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.text->top_y();
+ int const top_y = bv.top_y();
if (bv.theLockingInset()) {
// Would be nice to clean this up to make some understandable sense...
int /*x*/, int y, int asc, int desc)
{
int const vheight = workarea().workHeight();
- int newtop = text->top_y();
-
- if (y + desc - text->top_y() >= vheight)
+ 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 < text->top_y()
- && text->top_y() > 0) {
+ else if (y - asc < topy && topy > 0)
newtop = y - vheight / 4;
- }
newtop = max(newtop, 0); // can newtop ever be < 0? (Lgb)
- if (newtop != text->top_y()) {
- draw(text, bv, newtop);
- text->top_y(newtop);
- return true;
- }
+ if (newtop == topy)
+ return false;
- return false;
+ bv->top_y(newtop);
+ return true;
}
unsigned int LyXScreen::topCursorVisible(LyXText * text)
{
LyXCursor const & cursor = text->cursor;
- int top_y = text->top_y();
+ int top_y = text->bv()->top_y();
int newtop = top_y;
int const vheight = workarea().workHeight();
RowList::iterator row = text->cursorRow();
-#warning SUPER HACK DISABLED (Lgb)
-#if 0
- // Is this a hack? Yes, probably... (Lgb)
- if (!row)
- return max(newtop, 0);
-#endif
- if (cursor.y() - row->baseline() + row->height() - top_y >= vheight) {
+ if (int(cursor.y() - row->baseline() + row->height() - top_y) >= vheight) {
if (row->height() < vheight
&& row->height() > vheight / 4) {
newtop = cursor.y()
newtop = cursor.y() - vheight / 2;
}
- } else if (static_cast<int>((cursor.y()) - row->baseline()) <
- top_y && top_y > 0) {
- if (row->height() < vheight
- && row->height() > vheight / 4) {
+ } 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 = max(newtop, 0);
-
- return newtop;
+ return max(newtop, 0);
}
{
// Is a change necessary?
int const newtop = topCursorVisible(text);
- bool const result = (newtop != text->top_y());
- if (result) {
- draw(text, bv, newtop);
- }
-
+ bool const result = (newtop != bv->top_y());
+ bv->top_y(newtop);
return result;
}
-void LyXScreen::update(BufferView & bv, int yo, int xo)
-{
- LyXText * text = bv.text;
-
- workarea().getPainter().start();
-
- if (text->needRefresh()) {
- int const vwidth = workarea().workWidth();
- int const vheight = workarea().workHeight();
- text->updateRowPositions();
- int const y = 0;
- drawFromTo(text, &bv, y, vheight, yo, xo);
- expose(0, y, vwidth, vheight - y);
- }
-
- workarea().getPainter().end();
-}
-
-
-void LyXScreen::toggleSelection(LyXText * text, BufferView * bv,
- bool kill_selection,
- int yo, int xo)
+void LyXScreen::redraw(BufferView & bv)
{
- // only if there is a selection
- if (!text->selection.set()) return;
-
- int const bottom = min(
- max(static_cast<int>(text->selection.end.y()
- - text->getRow(text->selection.end)->baseline()
- + text->getRow(text->selection.end)->height()),
- text->top_y()),
- static_cast<int>(text->top_y() + workarea().workHeight()));
- int const top = min(
- max(static_cast<int>(text->selection.start.y() -
- text->getRow(text->selection.start)->baseline()),
- text->top_y()),
- static_cast<int>(text->top_y() + workarea().workHeight()));
-
- if (kill_selection)
- text->selection.set(false);
+ greyed_out_ = !bv.text;
- workarea().getPainter().start();
-
- drawFromTo(text, bv, top - text->top_y(), bottom - text->top_y(),
- yo, xo);
- expose(0, top - text->top_y(),
- workarea().workWidth(),
- bottom - text->top_y() - (top - text->top_y()));
-
- workarea().getPainter().end();
-}
-
-
-void LyXScreen::toggleToggle(LyXText * text, BufferView * bv,
- int yo, int xo)
-{
- if (text->toggle_cursor.par() == text->toggle_end_cursor.par()
- && text->toggle_cursor.pos() == text->toggle_end_cursor.pos())
+ if (greyed_out_) {
+ greyOut();
return;
-
- int const top_tmp = text->toggle_cursor.y()
- - text->getRow(text->toggle_cursor)->baseline();
- int const bottom_tmp = text->toggle_end_cursor.y()
- - text->getRow(text->toggle_end_cursor)->baseline()
- + text->getRow(text->toggle_end_cursor)->height();
-
- int const offset = yo < 0 ? yo : 0;
- int const bottom = min(max(bottom_tmp, text->top_y()),
- static_cast<int>(text->top_y() + workarea().workHeight())) - offset;
- int const top = min(max(top_tmp, text->top_y()),
- static_cast<int>(text->top_y() + workarea().workHeight())) - offset;
+ }
workarea().getPainter().start();
- drawFromTo(text, bv, top - text->top_y(), bottom - text->top_y(), yo, xo);
- expose(0, top - text->top_y(), workarea().workWidth(),
- bottom - text->top_y() - (top - text->top_y()));
-
- workarea().getPainter().end();
-}
-
+ hideCursor();
-void LyXScreen::redraw(LyXText * text, BufferView * bv)
-{
- greyed_out_ = !text;
+ int const y = paintText(bv);
- if (greyed_out_) {
- greyOut();
- return;
+ // 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);
}
- workarea().getPainter().start();
-
- text->updateRowPositions();
- drawFromTo(text, bv, 0, workarea().workHeight(), 0, 0);
expose(0, 0, workarea().workWidth(), workarea().workHeight());
workarea().getPainter().end();
// Add a splash screen to the centre of the work area
SplashScreen const & splash = SplashScreen::get();
- grfx::Image const * const splash_image = splash.image();
+ lyx::graphics::Image const * const splash_image = splash.image();
if (splash_image) {
int const w = splash_image->getWidth();
int const h = splash_image->getHeight();
workarea().getPainter().image(x, y, w, h, *splash_image);
- string const & splash_text = splash.text();
- LyXFont const & splash_font = splash.font();
-
x += 260;
y += 265;
- workarea().getPainter().text(x, y, splash_text, splash_font);
+ workarea().getPainter().text(x, y, splash.text(), splash.font());
}
expose(0, 0, workarea().workWidth(), workarea().workHeight());
workarea().getPainter().end();
}
-
-
-void LyXScreen::drawFromTo(LyXText * text, BufferView * bv,
- int y1, int y2, int yo, int xo)
-{
- lyxerr[Debug::GUI] << "screen: drawFromTo " << y1 << '-' << y2 << endl;
-
- int const topy = text->top_y();
- int y_text = topy + y1;
- RowList::iterator rit = text->getRowNearY(y_text);
- int y = y_text - topy;
- // y1 is now the real beginning of row on the screen
-
- hideCursor();
-
- RowList::iterator const rend = text->rows().end();
- while (rit != rend && y < y2) {
- paintRows(*bv, *text, rit, y + yo, xo, y + topy);
- y += rit->height();
- ++rit;
- }
-
- // maybe we have to clear the screen at the bottom
- if ((y < y2) && !text->isInInset()) {
- workarea().getPainter().fillRectangle(0, y,
- workarea().workWidth(), y2 - y,
- LColor::bottomarea);
- }
-}
-