/* This file is part of
-* ======================================================
-*
+* ======================================================
+*
* LyX, The Document Processor
-*
+*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-1998 The LyX Team
*
GC createGC()
{
XGCValues val;
- val.foreground = BlackPixel(fl_get_display(),
+ val.foreground = BlackPixel(fl_get_display(),
DefaultScreen(fl_get_display()));
-
+
val.function = GXcopy;
val.graphics_exposures = false;
val.line_style = LineSolid;
val.line_width = 0;
- return XCreateGC(fl_get_display(), RootWindow(fl_get_display(), 0),
+ return XCreateGC(fl_get_display(), RootWindow(fl_get_display(), 0),
GCForeground | GCFunction | GCGraphicsExposures
| GCLineWidth | GCLineStyle , &val);
}
XFreeGC(fl_get_display(), gc_copy);
}
-
-void LyXScreen::setCursorColor()
+
+void LyXScreen::setCursorColor()
{
if (!lyxColorHandler.get()) return;
GC gc = lyxColorHandler->getGCForeground(LColor::cursor);
-
+
XGCValues val;
XGetGCValues(fl_get_display(),
gc, GCForeground, &val);
void LyXScreen::drawFromTo(LyXText * text, BufferView * bv,
- int y1, int y2, int y_offset, int x_offset,
- bool internal)
+ int y1, int y2, int y_offset, int x_offset,
+ bool internal)
{
int y_text = text->first_y + y1;
-
- // get the first needed row
+
+ // 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();
text->getVisibleRow(bv, y + y_offset,
- x_offset, row, y + text->first_y);
+ x_offset, row, y + text->first_y);
internal = internal && (st != LyXText::CHANGED_IN_DRAW);
while (internal && text->status() == LyXText::CHANGED_IN_DRAW) {
if (text->fullRebreak(bv)) {
}
text->status(bv, st);
text->getVisibleRow(bv, y + y_offset,
- x_offset, row, y + text->first_y);
+ x_offset, row, y + text->first_y);
}
y += row->height();
row = row->next();
text->getVisibleRow(bv, y, x_offset, row,
y + text->first_y);
} while (!text->inset_owner &&
- text->status() == LyXText::CHANGED_IN_DRAW);
+ text->status() == LyXText::CHANGED_IN_DRAW);
bv->text->status(bv, st);
#else
text->getVisibleRow(bv, y, x_offset, row, y + text->first_y);
old_first - text->first_y);
} else {
drawFromTo(text, bv,
- owner.height() + old_first - text->first_y,
- owner.height(), 0, 0, internal);
+ owner.height() + old_first - text->first_y,
+ owner.height(), 0, 0, internal);
XCopyArea (fl_get_display(),
owner.getWin(),
owner.getWin(),
owner.workWidth(), text->first_y - old_first);
}
} else {
- // make a dumb new-draw
+ // make a dumb new-draw
drawFromTo(text, bv, 0, owner.height(), 0, 0, internal);
expose(0, 0, owner.workWidth(), owner.height());
}
}
-/* returns true if first has changed, otherwise false */
+/* returns true if first has changed, otherwise false */
bool LyXScreen::fitManualCursor(LyXText * text, BufferView * bv,
int /*x*/, int y, int asc, int desc)
{
int newtop = text->first_y;
-
+
if (y + desc - text->first_y >= static_cast<int>(owner.height()))
newtop = y - 3 * owner.height() / 4; // the scroll region must be so big!!
else if (y - asc < text->first_y
}
newtop = max(newtop, 0); // can newtop ever be < 0? (Lgb)
-
+
if (newtop != text->first_y) {
draw(text, bv, newtop);
text->first_y = newtop;
{
// Update the cursor color.
setCursorColor();
-
+
int const y1 = max(y - text->first_y - asc, 0);
int const y_tmp = min(y - text->first_y + desc,
static_cast<int>(owner.height()));
// Secure against very strange situations
int const y2 = max(y_tmp, y1);
-
+
if (cursor_pixmap) {
XFreePixmap(fl_get_display(), cursor_pixmap);
cursor_pixmap = 0;
break;
}
- cursor_pixmap =
+ cursor_pixmap =
XCreatePixmap (fl_get_display(),
fl_root,
cursor_pixmap_w,
if (!cursor_visible) return;
if (cursor_pixmap) {
- XCopyArea (fl_get_display(),
+ XCopyArea (fl_get_display(),
cursor_pixmap,
owner.getWin(),
gc_copy,
- 0, 0,
+ 0, 0,
cursor_pixmap_w, cursor_pixmap_h,
cursor_pixmap_x + owner.xpos(),
cursor_pixmap_y + owner.ypos());
}
-/* returns a new top so that the cursor is visible */
+/* returns a new top so that the cursor is visible */
unsigned int LyXScreen::topCursorVisible(LyXText const * text)
{
int newtop = text->first_y;
// Is this a hack? Yes, probably... (Lgb)
if (!row)
return max(newtop, 0);
-
+
if (text->cursor.y() - row->baseline() + row->height()
- text->first_y >= owner.height()) {
if (row->height() < owner.height()
newtop = text->cursor.y()
- owner.height() / 2; /* the scroll region must be so big!! */
}
-
+
} else if (static_cast<int>((text->cursor.y()) - row->baseline()) <
text->first_y && text->first_y > 0) {
if (row->height() < owner.height()
/* scrolls the screen so that the cursor is visible, if necessary.
-* returns true if a change was made, otherwise false */
+* returns true if a change was made, otherwise false */
bool LyXScreen::fitCursor(LyXText * text, BufferView * bv)
{
// Is a change necessary?
return result;
}
-
+
void LyXScreen::update(LyXText * text, BufferView * bv,
- int y_offset, int x_offset)
+ int y_offset, int x_offset)
{
switch (text->status()) {
case LyXText::NEED_MORE_REFRESH:
owner.workWidth(),
bottom - text->first_y - (top - text->first_y));
}
-
-
+
+
void LyXScreen::toggleToggle(LyXText * text, BufferView * bv,
int y_offset, int x_offset)
{
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()->baseline()
+ text->toggle_end_cursor.row()->height();
-
+
+ int const offset = y_offset < 0 ? y_offset : 0;
int const bottom = min(max(bottom_tmp, text->first_y),
- static_cast<int>(text->first_y + owner.height()));
+ static_cast<int>(text->first_y + owner.height()))-offset;
int const top = min(max(top_tmp, text->first_y),
- static_cast<int>(text->first_y + owner.height()));
+ static_cast<int>(text->first_y + owner.height()))-offset;
drawFromTo(text, bv, top - text->first_y,
bottom - text->first_y, y_offset,
projects / lyx.git / blobdiff