*
* \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 "font_metrics.h"
+#include "lyx_gui.h"
+#include "Painter.h"
+#include "WorkArea.h"
+
#include "BufferView.h"
#include "buffer.h"
-#include "WorkArea.h"
-#include "Painter.h"
-#include "font_metrics.h"
-#include "language.h"
+#include "bufferparams.h"
+#include "coordcache.h"
+#include "cursor.h"
#include "debug.h"
-#include "rowpainter.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 "graphics/GraphicsImage.h"
+#include "graphics/GraphicsLoader.h"
#include "support/filetools.h" // LibFileSearch
#include <boost/bind.hpp>
#include <boost/signals/trackable.hpp>
+using lyx::support::LibFileSearch;
+
+using std::endl;
using std::min;
using std::max;
-using std::endl;
+using std::string;
+
namespace {
/// 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...
LyXScreen::LyXScreen()
- : cursor_visible_(false), force_clear_(true), greyed_out_(false)
+ : 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();
}
}
{
}
-// FIXME: GUII these cursor methods need to decide
-// whether the workarea is focused or not
-void LyXScreen::showCursor(LyXText const * text, BufferView const * bv)
+void LyXScreen::checkAndGreyOut()
{
- if (cursor_visible_)
- return;
-
- workarea().getPainter().start();
-
- Cursor_Shape shape = BAR_SHAPE;
- BufferParams const & bp(bv->buffer()->params);
- LyXFont const & realfont(text->real_current_font);
-
- if (realfont.language() != bp.language
- || realfont.isVisibleRightToLeft()
- != bp.language->RightToLeft()) {
- shape = (realfont.isVisibleRightToLeft())
- ? REVERSED_L_SHAPE : L_SHAPE;
- }
-
- showManualCursor(text, text->cursor.x(), text->cursor.y(),
- font_metrics::maxAscent(realfont),
- font_metrics::maxDescent(realfont),
- shape);
-
- workarea().getPainter().end();
-}
-
-
-bool LyXScreen::fitManualCursor(BufferView * bv, LyXText * text,
- int /*x*/, int y, int asc, int desc)
-{
- int const vheight = workarea().workHeight();
- int newtop = text->first_y;
-
- if (y + desc - text->first_y >= vheight)
- newtop = y - 3 * vheight / 4; // the scroll region must be so big!!
- else if (y - asc < text->first_y
- && text->first_y > 0) {
- newtop = y - vheight / 4;
- }
-
- newtop = max(newtop, 0); // can newtop ever be < 0? (Lgb)
-
- if (newtop != text->first_y) {
- draw(text, bv, newtop);
- text->first_y = newtop;
- return true;
- }
-
- return false;
+ if (greyed_out_)
+ greyOut();
}
-void LyXScreen::cursorToggle(BufferView * bv) const
+void LyXScreen::showCursor(BufferView & bv)
{
if (cursor_visible_)
- bv->hideCursor();
- else
- bv->showCursor();
-}
-
-
-unsigned int LyXScreen::topCursorVisible(LyXCursor const & cursor, int top_y)
-{
- int const vheight = workarea().workHeight();
- int newtop = top_y;
-
- Row * row = cursor.row();
-
- // Is this a hack? Yes, probably... (Lgb)
- if (!row)
- return max(newtop, 0);
-
- if (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
- newtop = cursor.y()
- - vheight / 2; /* the scroll region must be so big!! */
- }
-
- } else if (static_cast<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;
- newtop = max(newtop, 0);
+ if (!bv.available())
+ return;
- return newtop;
-}
+ Cursor_Shape shape = BAR_SHAPE;
+ LyXText const & text = *bv.getLyXText();
+ 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();
-bool LyXScreen::fitCursor(LyXText * text, BufferView * bv)
-{
- // Is a change necessary?
- int const newtop = topCursorVisible(text->cursor, text->first_y);
- bool const result = (newtop != text->first_y);
- if (result) {
- draw(text, bv, newtop);
+ if (!samelang || isrtl != bp.language->RightToLeft()) {
+ shape = L_SHAPE;
+ if (isrtl)
+ shape = REVERSED_L_SHAPE;
}
- return result;
+ // The ERT language hack needs fixing up
+ if (realfont.language() == latex_language)
+ shape = BAR_SHAPE;
+
+ LyXFont const font = bv.cursor().getFont();
+ int const asc = font_metrics::maxAscent(font);
+ int const des = font_metrics::maxDescent(font);
+ int h = asc + des;
+ int x = 0;
+ int y = 0;
+ bv.cursor().getPos(x, y);
+ y -= asc;
+ //lyxerr << "LyXScreen::showCursor x: " << x << " y: " << y << endl;
+
+ // if it doesn't touch the screen, don't try to show it
+ if (y + h < 0 || y >= workarea().workHeight())
+ return;
+
+ cursor_visible_ = true;
+ showCursor(x, y, h, shape);
}
-void LyXScreen::update(LyXText * text, BufferView * bv,
- int yo, int xo)
+void LyXScreen::hideCursor()
{
- int const vwidth = workarea().workWidth();
- int const vheight = workarea().workHeight();
-
- workarea().getPainter().start();
-
- switch (text->status()) {
- case LyXText::NEED_MORE_REFRESH:
- {
- int const y = max(int(text->refresh_y - text->first_y), 0);
- drawFromTo(text, bv, y, vheight, yo, xo);
- text->refresh_y = 0;
- // otherwise this is called ONLY from BufferView_pimpl(update)
- // or we should see to set this flag accordingly
- if (text != bv->text)
- text->status(bv, LyXText::UNCHANGED);
- expose(0, y, vwidth, vheight - y);
- }
- break;
- case LyXText::NEED_VERY_LITTLE_REFRESH:
- {
- // ok I will update the current cursor row
- drawOneRow(text, bv, text->refresh_row, text->refresh_y,
- yo, xo);
- // this because if we had a major update the refresh_row could
- // have been set to 0!
- if (text->refresh_row) {
- // otherwise this is called ONLY from BufferView_pimpl(update)
- // or we should see to set this flag accordingly
- if (text != bv->text)
- text->status(bv, LyXText::UNCHANGED);
- expose(0, text->refresh_y - text->first_y + yo,
- vwidth, text->refresh_row->height());
- }
- }
- break;
- case LyXText::CHANGED_IN_DRAW: // just to remove the warning
- case LyXText::UNCHANGED:
- // Nothing needs done
- break;
- }
+ if (!cursor_visible_)
+ return;
- workarea().getPainter().end();
+ cursor_visible_ = false;
+ removeCursor();
}
-void LyXScreen::toggleSelection(LyXText * text, BufferView * bv,
- bool kill_selection,
- int yo, int xo)
+void LyXScreen::toggleCursor(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->selection.end.row()->baseline()
- + text->selection.end.row()->height()),
- text->first_y),
- static_cast<int>(text->first_y + workarea().workHeight()));
- int const top = min(
- max(static_cast<int>(text->selection.start.y() -
- text->selection.start.row()->baseline()),
- text->first_y),
- static_cast<int>(text->first_y + workarea().workHeight()));
-
- if (kill_selection)
- text->selection.set(false);
-
- workarea().getPainter().start();
-
- drawFromTo(text, bv, top - text->first_y, bottom - text->first_y,
- yo, xo);
- expose(0, top - text->first_y,
- workarea().workWidth(),
- bottom - text->first_y - (top - text->first_y));
-
- workarea().getPainter().end();
+ if (cursor_visible_)
+ hideCursor();
+ else
+ showCursor(bv);
}
-void LyXScreen::toggleToggle(LyXText * text, BufferView * bv,
- int yo, int xo)
+void LyXScreen::prepareCursor()
{
- if (text->toggle_cursor.par() == text->toggle_end_cursor.par()
- && text->toggle_cursor.pos() == text->toggle_end_cursor.pos())
- return;
-
- int const top_tmp = text->toggle_cursor.y()
- - text->toggle_cursor.row()->baseline();
- int const bottom_tmp = text->toggle_end_cursor.y()
- - text->toggle_end_cursor.row()->baseline()
- + text->toggle_end_cursor.row()->height();
-
- int const offset = yo < 0 ? yo : 0;
- int const bottom = min(max(bottom_tmp, text->first_y),
- static_cast<int>(text->first_y + workarea().workHeight())) - offset;
- int const top = min(max(top_tmp, text->first_y),
- static_cast<int>(text->first_y + workarea().workHeight())) - offset;
-
- workarea().getPainter().start();
-
- drawFromTo(text, bv, top - text->first_y,
- bottom - text->first_y, yo,
- xo);
- expose(0, top - text->first_y, workarea().workWidth(),
- bottom - text->first_y - (top - text->first_y));
-
- workarea().getPainter().end();
+ cursor_visible_ = false;
}
-void LyXScreen::redraw(LyXText * text, BufferView * bv)
+void LyXScreen::redraw(BufferView & bv, ViewMetricsInfo const & vi)
{
- greyed_out_ = !text;
-
+ greyed_out_ = false;
workarea().getPainter().start();
-
- if (greyed_out_) {
- greyOut();
- return;
- }
-
- drawFromTo(text, bv, 0, workarea().workHeight(), 0, 0, text == bv->text);
+ paintText(bv, vi);
+ lyxerr[Debug::DEBUG] << "Redraw screen" << endl;
expose(0, 0, workarea().workWidth(), workarea().workHeight());
-
workarea().getPainter().end();
-
- if (cursor_visible_) {
- cursor_visible_ = false;
- bv->showCursor();
- }
+ theCoords.doneUpdating();
}
void LyXScreen::greyOut()
{
- if (!greyed_out_)
- return;
+ greyed_out_ = true;
+ workarea().getPainter().start();
workarea().getPainter().fillRectangle(0, 0,
workarea().workWidth(),
// 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,
- bool internal)
-{
- lyxerr[Debug::GUI] << "screen: drawFromTo " << y1 << '-' << y2 << endl;
-
- int y_text = text->first_y + y1;
-
- // get the first needed row
- Row * row = text->getRowNearY(y_text);
- // y_text is now the real beginning of the row
-
- int y = y_text - text->first_y;
- // y1 is now the real beginning of row on the screen
-
- while (row != 0 && y < y2) {
- LyXText::text_status st = text->status();
- // we need this here as the row pointer may be illegal
- // at a later time (Jug20020502)
- Row * prev = row->previous();
- RowPainter rp(*bv, *text, *row);
- if (rp.paint(y + yo, xo, y + text->first_y))
- text->markChangeInDraw(bv, row, prev);
-
- internal = internal && (st != LyXText::CHANGED_IN_DRAW);
- while (internal && text->status() == LyXText::CHANGED_IN_DRAW) {
- text->fullRebreak(bv);
- st = LyXText::NEED_MORE_REFRESH;
- text->setCursor(bv, text->cursor.par(), text->cursor.pos());
- text->status(bv, st);
- Row * prev = row->previous();
- RowPainter rp(*bv, *text, *row);
- if (rp.paint(y + yo, xo, y + text->first_y))
- text->markChangeInDraw(bv, row, prev);
- }
- y += row->height();
- row = row->next();
- }
- force_clear_ = false;
-
- // maybe we have to clear the screen at the bottom
- if ((y < y2) && text->isTopLevel()) {
- workarea().getPainter().fillRectangle(0, y,
- workarea().workWidth(), y2 - y,
- LColor::bottomarea);
- }
-}
-
-
-void LyXScreen::drawOneRow(LyXText * text, BufferView * bv, Row * row,
- int y_text, int yo, int xo)
-{
- int const y = y_text - text->first_y + yo;
-
- if (((y + row->height()) > 0) &&
- ((y - row->height()) <= static_cast<int>(workarea().workHeight()))) {
- Row * prev = row->previous();
- RowPainter rp(*bv, *text, *row);
- if (rp.paint(y, xo, y + text->first_y))
- text->markChangeInDraw(bv, row, prev);
- }
- force_clear_ = false;
-}
projects / lyx.git / blobdiff