QRect RectDrawing::remainingRect(DrawParams *dp)
{
if (!dp) {
dp = drawParams();
}
if ((_usedTopLeft > 0) ||
(_usedTopCenter > 0) ||
(_usedTopRight > 0)) {
if (dp->rotated()) {
_rect.setLeft(_rect.left() + _fontHeight);
} else {
_rect.setTop(_rect.top() + _fontHeight);
}
}
if ((_usedBottomLeft > 0) ||
(_usedBottomCenter > 0) ||
(_usedBottomRight > 0)) {
if (dp->rotated()) {
_rect.setRight(_rect.right() - _fontHeight);
} else {
_rect.setBottom(_rect.bottom() - _fontHeight);
}
}
return _rect;
}
void WorldUIView::draw() {
if(isVisible()){
drawBg();
drawSurface();
drawObjects();
drawBorder();
drawParams();
UIView::draw();
}
}
bool RectDrawing::drawField(QPainter *p, int f, DrawParams *dp)
{
if (!dp) {
dp = drawParams();
}
if (!_fm) {
_fm = new QFontMetrics(dp->font());
_fontHeight = _fm->height();
}
QRect r = _rect;
int h = _fontHeight;
bool rotate = dp->rotated();
int width = (rotate ? r.height() : r.width()) - 4;
int height = (rotate ? r.width() : r.height());
int lines = height / h;
// stop if there is no space available
if (lines < 1) {
return false;
}
// calculate free space in first line (<unused>)
int pos = dp->position(f);
if (pos == DrawParams::Default) {
switch (f % 4) {
case 0: pos = DrawParams::TopLeft; break;
case 1: pos = DrawParams::TopRight; break;
case 2: pos = DrawParams::BottomRight; break;
case 3: pos = DrawParams::BottomLeft; break;
}
}
int unused = 0;
bool isBottom = false;
bool isCenter = false;
bool isRight = false;
int *used = 0;
switch (pos) {
case DrawParams::TopLeft:
used = &_usedTopLeft;
if (_usedTopLeft == 0) {
if (_usedTopCenter) {
unused = (width - _usedTopCenter) / 2;
} else {
unused = width - _usedTopRight;
}
}
break;
case DrawParams::TopCenter:
isCenter = true;
used = &_usedTopCenter;
if (_usedTopCenter == 0) {
if (_usedTopLeft > _usedTopRight) {
unused = width - 2 * _usedTopLeft;
} else {
unused = width - 2 * _usedTopRight;
}
}
break;
case DrawParams::TopRight:
isRight = true;
used = &_usedTopRight;
if (_usedTopRight == 0) {
if (_usedTopCenter) {
unused = (width - _usedTopCenter) / 2;
} else {
unused = width - _usedTopLeft;
}
}
break;
case DrawParams::BottomLeft:
isBottom = true;
used = &_usedBottomLeft;
if (_usedBottomLeft == 0) {
if (_usedBottomCenter) {
unused = (width - _usedBottomCenter) / 2;
} else {
unused = width - _usedBottomRight;
}
}
break;
case DrawParams::BottomCenter:
isCenter = true;
isBottom = true;
used = &_usedBottomCenter;
if (_usedBottomCenter == 0) {
if (_usedBottomLeft > _usedBottomRight) {
unused = width - 2 * _usedBottomLeft;
} else {
unused = width - 2 * _usedBottomRight;
}
}
break;
case DrawParams::BottomRight:
isRight = true;
isBottom = true;
used = &_usedBottomRight;
if (_usedBottomRight == 0) {
if (_usedBottomCenter) {
unused = (width - _usedBottomCenter) / 2;
} else {
unused = width - _usedBottomLeft;
}
}
break;
}
if (isBottom) {
if ((_usedTopLeft > 0) ||
(_usedTopCenter > 0) ||
(_usedTopRight > 0)) {
lines--;
}
} else if (!isBottom) {
if ((_usedBottomLeft > 0) ||
(_usedBottomCenter > 0) ||
(_usedBottomRight > 0)) {
lines--;
}
}
if (lines < 1) {
return false;
}
int y = isBottom ? height - h : 0;
if (unused < 0) {
unused = 0;
}
if (unused == 0) {
// no space available in last line at this position
y = isBottom ? (y - h) : (y + h);
lines--;
if (lines < 1) {
return false;
}
// new line: reset used space
if (isBottom) {
_usedBottomLeft = _usedBottomCenter = _usedBottomRight = 0;
} else {
_usedTopLeft = _usedTopCenter = _usedTopRight = 0;
}
unused = width;
}
// stop as soon as possible when there is no space for "..."
static int dotW = 0;
if (!dotW) {
dotW = _fm->width("...");
}
if (width < dotW) {
return false;
}
// get text and pixmap now, only if we need to, because it is possible
// that they are calculated on demand (and this can take some time)
QString name = dp->text(f);
if (name.isEmpty()) {
return 0;
}
QPixmap pix = dp->pixmap(f);
// check if pixmap can be drawn
int pixW = pix.width();
int pixH = pix.height();
int pixY = 0;
bool pixDrawn = true;
if (pixW > 0) {
pixW += 2; // X distance from pix
if ((width < pixW + dotW) || (height < pixH)) {
// do not draw
pixW = 0;
} else {
pixDrawn = false;
}
}
// width of text and pixmap to be drawn
int w = pixW + _fm->width(name);
// if we have limited space at 1st line:
// use it only if whole name does fit in last line...
if ((unused < width) && (w > unused)) {
y = isBottom ? (y - h) : (y + h);
lines--;
if (lines < 1) {
return false;
}
// new line: reset used space
if (isBottom) {
_usedBottomLeft = _usedBottomCenter = _usedBottomRight = 0;
} else {
_usedTopLeft = _usedTopCenter = _usedTopRight = 0;
}
}
p->save();
p->setPen((qGray(dp->backColor().rgb()) > 100) ? Qt::black : Qt::white);
p->setFont(dp->font());
if (rotate) {
//p->translate(r.x()+2, r.y()+r.height());
p->translate(r.x(), r.y() + r.height() - 2);
p->rotate(270);
} else {
p->translate(r.x() + 2, r.y());
}
// adjust available lines according to maxLines
int max = dp->maxLines(f);
if ((max > 0) && (lines > max)) {
lines = max;
}
/* loop over name parts to break up string depending on available width.
* every char category change is supposed a possible break,
* with the exception Uppercase=>Lowercase.
* It is good enough for numbers, Symbols...
*
* If the text is to be written at the bottom, we start with the
* end of the string (so everything is reverted)
*/
QString remaining;
int origLines = lines;
while (lines > 0) {
// more than one line: search for line break
if (w > width && lines > 1) {
int breakPos;
if (!isBottom) {
w = pixW + findBreak(breakPos, name, _fm, width - pixW);
remaining = name.mid(breakPos);
// remove space on break point
if (name[breakPos - 1].category() == QChar::Separator_Space) {
name = name.left(breakPos - 1);
} else {
name = name.left(breakPos);
}
} else { // bottom
w = pixW + findBreakBackwards(breakPos, name, _fm, width - pixW);
remaining = name.left(breakPos);
// remove space on break point
if (name[breakPos].category() == QChar::Separator_Space) {
name = name.mid(breakPos + 1);
} else {
name = name.mid(breakPos);
}
}
} else {
remaining.clear();
}
/* truncate and add ... if needed */
if (w > width) {
name = _fm->elidedText(name, Qt::ElideRight, width - pixW);
w = _fm->width(name) + pixW;
}
int x = 0;
if (isCenter) {
x = (width - w) / 2;
} else if (isRight) {
x = width - w;
}
if (!pixDrawn) {
pixY = y + (h - pixH) / 2; // default: center vertically
if (pixH > h) {
pixY = isBottom ? y - (pixH - h) : y;
}
p->drawPixmap(x, pixY, pix);
// for distance to next text
pixY = isBottom ? (pixY - h - 2) : (pixY + pixH + 2);
pixDrawn = true;
}
p->drawText(x + pixW, y,
width - pixW, h,
Qt::AlignLeft, name);
y = isBottom ? (y - h) : (y + h);
lines--;
if (remaining.isEmpty()) {
break;
}
name = remaining;
w = pixW + _fm->width(name);
}
// make sure the pix stays visible
if (pixDrawn && (pixY > 0)) {
if (isBottom && (pixY < y)) {
y = pixY;
}
if (!isBottom && (pixY > y)) {
y = pixY;
}
}
if (origLines > lines) {
// if only 1 line written, do not reset _used* vars
if (lines - origLines > 1) {
if (isBottom) {
_usedBottomLeft = _usedBottomCenter = _usedBottomRight = 0;
} else {
_usedTopLeft = _usedTopCenter = _usedTopRight = 0;
}
}
// take back one line
y = isBottom ? (y + h) : (y - h);
if (used) {
*used = w;
}
}
// update free space
if (!isBottom) {
if (rotate) {
_rect.setRect(r.x() + y, r.y(), r.width() - y, r.height());
} else {
_rect.setRect(r.x(), r.y() + y, r.width(), r.height() - y);
}
} else {
if (rotate) {
_rect.setRect(r.x(), r.y(), y + h, r.height());
} else {
_rect.setRect(r.x(), r.y(), r.width(), y + h);
}
}
p->restore();
return true;
}
void RectDrawing::drawBack(QPainter *p, DrawParams *dp)
{
if (!dp) {
dp = drawParams();
}
if (_rect.width() <= 0 || _rect.height() <= 0) {
return;
}
QRect r = _rect;
QColor normal = dp->backColor();
if (dp->selected()) {
normal = normal.light();
}
bool isCurrent = dp->current();
if (dp->drawFrame() || isCurrent) {
// 3D raised/sunken frame effect...
QColor high = normal.light();
QColor low = normal.dark();
p->setPen(isCurrent ? low : high);
p->drawLine(r.left(), r.top(), r.right(), r.top());
p->drawLine(r.left(), r.top(), r.left(), r.bottom());
p->setPen(isCurrent ? high : low);
p->drawLine(r.right(), r.top(), r.right(), r.bottom());
p->drawLine(r.left(), r.bottom(), r.right(), r.bottom());
r.setRect(r.x() + 1, r.y() + 1, r.width() - 2, r.height() - 2);
}
if (r.width() <= 0 || r.height() <= 0) {
return;
}
if (dp->shaded() && (r.width() > 0 && r.height() > 0)) {
// adjustment for drawRect semantic in Qt4: decrement height/width
r.setRect(r.x(), r.y(), r.width() - 1, r.height() - 1);
// some shading
bool goDark = qGray(normal.rgb()) > 128;
int rBase, gBase, bBase;
normal.getRgb(&rBase, &gBase, &bBase);
p->setBrush(Qt::NoBrush);
// shade parameters:
int d = 7;
float factor = 0.1, forth = 0.7, back1 = 0.9, toBack2 = .7, back2 = 0.97;
// coefficient corrections because of rectangle size
int s = r.width();
if (s > r.height()) {
s = r.height();
}
if (s < 100) {
forth -= .3 * (100 - s) / 100;
back1 -= .2 * (100 - s) / 100;
back2 -= .02 * (100 - s) / 100;
}
// maximal color difference
int rDiff = goDark ? -rBase / d : (255 - rBase) / d;
int gDiff = goDark ? -gBase / d : (255 - gBase) / d;
int bDiff = goDark ? -bBase / d : (255 - bBase) / d;
QColor shadeColor;
while (factor < .95 && (r.width() >= 0 && r.height() >= 0)) {
shadeColor.setRgb((int)(rBase + factor * rDiff + .5),
(int)(gBase + factor * gDiff + .5),
(int)(bBase + factor * bDiff + .5));
p->setPen(shadeColor);
p->drawRect(r);
r.setRect(r.x() + 1, r.y() + 1, r.width() - 2, r.height() - 2);
factor = 1.0 - ((1.0 - factor) * forth);
}
// and back (1st half)
while (factor > toBack2 && (r.width() >= 0 && r.height() >= 0)) {
shadeColor.setRgb((int)(rBase + factor * rDiff + .5),
(int)(gBase + factor * gDiff + .5),
(int)(bBase + factor * bDiff + .5));
p->setPen(shadeColor);
p->drawRect(r);
r.setRect(r.x() + 1, r.y() + 1, r.width() - 2, r.height() - 2);
factor = 1.0 - ((1.0 - factor) / back1);
}
// and back (2nd half)
while (factor > .01 && (r.width() >= 0 && r.height() >= 0)) {
shadeColor.setRgb((int)(rBase + factor * rDiff + .5),
(int)(gBase + factor * gDiff + .5),
(int)(bBase + factor * bDiff + .5));
p->setPen(shadeColor);
p->drawRect(r);
r.setRect(r.x() + 1, r.y() + 1, r.width() - 2, r.height() - 2);
factor = factor * back2;
}
normal = shadeColor;
// for filling, width and height has to be incremented again
r.setRect(r.x(), r.y(), r.width() + 1, r.height() + 1);
}
// fill inside
p->fillRect(r, normal);
}
bool RectDrawing::drawField(QPainter* p, int f, DrawParams* dp)
{
if (!dp) dp = drawParams();
if (!_fm) {
_fm = new QFontMetrics(dp->font());
_fontHeight = _fm->height();
}
QRect r = _rect;
// if (0) Debug(90100) << "DrawField: Rect " << r.x() << "/" << r.y()
// << " - " << r.width() << "x" << r.height() << endl;
int h = _fontHeight;
bool rotate = dp->rotated();
int width = (rotate ? r.height() : r.width()) -4;
int height = (rotate ? r.width() : r.height());
int lines = height / h;
// stop if we have no space available
if (lines<1) return false;
// calculate free space in first line (<unused>)
int pos = dp->position(f);
if (pos == DrawParams::Default) {
switch(f%4) {
case 0: pos = DrawParams::TopLeft; break;
case 1: pos = DrawParams::TopRight; break;
case 2: pos = DrawParams::BottomRight; break;
case 3: pos = DrawParams::BottomLeft; break;
}
}
int unused = 0;
bool isBottom = false;
bool isCenter = false;
bool isRight = false;
int* used = 0;
switch(pos) {
case DrawParams::TopLeft:
used = &_usedTopLeft;
if (_usedTopLeft == 0) {
if (_usedTopCenter)
unused = (width - _usedTopCenter)/2;
else
unused = width - _usedTopRight;
}
break;
case DrawParams::TopCenter:
isCenter = true;
used = &_usedTopCenter;
if (_usedTopCenter == 0) {
if (_usedTopLeft > _usedTopRight)
unused = width - 2 * _usedTopLeft;
else
unused = width - 2 * _usedTopRight;
}
break;
case DrawParams::TopRight:
isRight = true;
used = &_usedTopRight;
if (_usedTopRight == 0) {
if (_usedTopCenter)
unused = (width - _usedTopCenter)/2;
else
unused = width - _usedTopLeft;
}
break;
case DrawParams::BottomLeft:
isBottom = true;
used = &_usedBottomLeft;
if (_usedBottomLeft == 0) {
if (_usedBottomCenter)
unused = (width - _usedBottomCenter)/2;
else
unused = width - _usedBottomRight;
}
break;
case DrawParams::BottomCenter:
isCenter = true;
isBottom = true;
used = &_usedBottomCenter;
if (_usedBottomCenter == 0) {
if (_usedBottomLeft > _usedBottomRight)
unused = width - 2 * _usedBottomLeft;
else
unused = width - 2 * _usedBottomRight;
}
break;
case DrawParams::BottomRight:
isRight = true;
isBottom = true;
used = &_usedBottomRight;
if (_usedBottomRight == 0) {
if (_usedBottomCenter)
unused = (width - _usedBottomCenter)/2;
else
unused = width - _usedBottomLeft;
}
break;
}
if (isBottom) {
if ((_usedTopLeft >0) ||
(_usedTopCenter >0) ||
(_usedTopRight >0))
lines--;
}
else if (!isBottom) {
if ((_usedBottomLeft >0) ||
(_usedBottomCenter >0) ||
(_usedBottomRight >0))
lines--;
}
if (lines<1) return false;
int y = isBottom ? height - h : 0;
if (unused < 0) unused = 0;
if (unused == 0) {
// no space available in last line at this position
y = isBottom ? (y-h) : (y+h);
lines--;
if (lines<1) return false;
// new line: reset used space
if (isBottom)
_usedBottomLeft = _usedBottomCenter = _usedBottomRight = 0;
else
_usedTopLeft = _usedTopCenter = _usedTopRight = 0;
unused = width;
}
// stop as soon as possible when there's no space for "..."
static int dotW = 0;
if (!dotW) dotW = _fm->width("...");
if (width < dotW) return false;
// get text and pixmap now, only if we need to, because it is possible
// that they are calculated on demand (and this can take some time)
QString name = dp->text(f);
if (name.isEmpty()) return 0;
QPixmap pix = dp->pixmap(f);
// check if pixmap can be drawn
int pixW = pix.width();
int pixH = pix.height();
int pixY = 0;
bool pixDrawn = true;
if (pixW>0) {
pixW += 2; // X distance from pix
if ((width < pixW + dotW) || (height < pixH)) {
// don't draw
pixW = 0;
}
else
pixDrawn = false;
}
// width of text and pixmap to be drawn
int w = pixW + _fm->width(name);
// if (0) Debug(90100) << " For '" << name << "': Unused " << unused
// << ", StrW " << w << ", Width " << width << endl;
// if we have limited space at 1st line:
// use it only if whole name does fit in last line...
if ((unused < width) && (w > unused)) {
y = isBottom ? (y-h) : (y+h);
lines--;
if (lines<1) return false;
// new line: reset used space
if (isBottom)
_usedBottomLeft = _usedBottomCenter = _usedBottomRight = 0;
else
_usedTopLeft = _usedTopCenter = _usedTopRight = 0;
}
p->save();
p->setPen( (qGray(dp->backColor().rgb())>100) ? Qt::black : Qt::white);
p->setFont(dp->font());
if (rotate) {
//p->translate(r.x()+2, r.y()+r.height());
p->translate(r.x(), r.y()+r.height()-2);
p->rotate(270);
}
else
p->translate(r.x()+2, r.y());
// adjust available lines according to maxLines
int max = dp->maxLines(f);
if ((max > 0) && (lines>max)) lines = max;
/* loop over name parts to break up string depending on available width.
* every char category change is supposed a possible break,
* with the exception Uppercase=>Lowercase.
* It's good enough for numbers, Symbols...
*
* If the text is to be written at the bottom, we start with the
* end of the string (so everything is reverted)
*/
QString remaining;
int origLines = lines;
while (lines>0) {
if (w>width && lines>1) {
int lastBreakPos = name.length(), lastWidth = w;
int len = name.length();
QChar::Category caOld, ca;
if (!isBottom) {
// start with comparing categories of last 2 chars
caOld = name[len-1].category();
while (len>2) {
len--;
ca = name[len-1].category();
if (ca != caOld) {
// "Aa" has no break between...
if (ca == QChar::Letter_Uppercase &&
caOld == QChar::Letter_Lowercase) {
caOld = ca;
continue;
}
caOld = ca;
lastBreakPos = len;
w = pixW + _fm->width(name, len);
lastWidth = w;
if (w <= width) break;
}
}
w = lastWidth;
remaining = name.mid(lastBreakPos);
// remove space on break point
if (name[lastBreakPos-1].category() == QChar::Separator_Space)
name = name.left(lastBreakPos-1);
else
name = name.left(lastBreakPos);
}
else { // bottom
int l = len;
caOld = name[l-len].category();
while (len>2) {
len--;
ca = name[l-len].category();
if (ca != caOld) {
// "Aa" has no break between...
if (caOld == QChar::Letter_Uppercase &&
ca == QChar::Letter_Lowercase) {
caOld = ca;
continue;
}
caOld = ca;
lastBreakPos = len;
w = pixW + _fm->width(name.right(len));
lastWidth = w;
if (w <= width) break;
}
}
w = lastWidth;
remaining = name.left(l-lastBreakPos);
// remove space on break point
if (name[l-lastBreakPos].category() == QChar::Separator_Space)
name = name.right(lastBreakPos-1);
else
name = name.right(lastBreakPos);
}
}
else
remaining = QString::null;
/* truncate and add ... if needed */
if (w>width) {
int len = name.length();
w += dotW;
while (len>2 && (w > width)) {
len--;
w = pixW + _fm->width(name, len) + dotW;
}
// stop drawing: we cannot draw 2 chars + "..."
if (w>width) break;
name = name.left(len) + "...";
}
int x = 0;
if (isCenter)
x = (width - w)/2;
else if (isRight)
x = width - w;
if (!pixDrawn) {
pixY = y+(h-pixH)/2; // default: center vertically
if (pixH > h) pixY = isBottom ? y-(pixH-h) : y;
p->drawPixmap( x, pixY, pix);
// for distance to next text
pixY = isBottom ? (pixY - h - 2) : (pixY + pixH + 2);
pixDrawn = true;
}
// if (0) Debug(90100) << " Drawing '" << name << "' at "
// << x+pixW << "/" << y << endl;
p->drawText( x+pixW, y+10,
width - pixW, h,
Qt::AlignVCenter, name);
y = isBottom ? (y-h) : (y+h);
lines--;
if (remaining.isEmpty()) break;
name = remaining;
w = pixW + _fm->width(name);
}
// make sure the pix stays visible
if (pixDrawn && (pixY>0)) {
if (isBottom && (pixY<y)) y = pixY;
if (!isBottom && (pixY>y)) y = pixY;
}
if (origLines > lines) {
// if only 1 line written, don't reset _used* vars
if (lines - origLines >1) {
if (isBottom)
_usedBottomLeft = _usedBottomCenter = _usedBottomRight = 0;
else
_usedTopLeft = _usedTopCenter = _usedTopRight = 0;
}
// take back one line
y = isBottom ? (y+h) : (y-h);
if (used) *used = w;
}
// update free space
if (!isBottom) {
if (rotate)
_rect.setRect(r.x()+y, r.y(), r.width()-y, r.height());
else
_rect.setRect(r.x(), r.y()+y, r.width(), r.height()-y);
}
else {
if (rotate)
_rect.setRect(r.x(), r.y(), y+h, r.height());
else
_rect.setRect(r.x(), r.y(), r.width(), y+h);
}
p->restore();
return true;
}
