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Text of conductor can be placed at top/bottom/left/right of conductor, and text never overlaps the conductor.

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@5342 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2018-04-28 13:35:23 +00:00
parent a975915428
commit d53f830ad9
5 changed files with 240 additions and 136 deletions
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105
sources/qetgraphicsitem/conductor.cpp
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@@ -1181,13 +1181,14 @@ ConductorSegment *Conductor::middleSegment() {
* @param flag : flag is used to know if text pos is near of
* a vertical or horizontal conductor segment.
*/
QPointF Conductor::posForText(Qt::Orientations &flag) {
QPointF Conductor::posForText(Qt::Orientations &flag)
{
ConductorSegment *segment = segments;
bool all_segment_is_vertical = true;
bool all_segment_is_horizontal = true;
//Go to first segement
//Go to first segement
while (!segment->isFirstSegment()) {
segment = segment->previousSegment();
}
@@ -1196,17 +1197,22 @@ QPointF Conductor::posForText(Qt::Orientations &flag) {
QPointF p1 = segment -> firstPoint(); //<First point of conductor
ConductorSegment *biggest_segment = segment; //<biggest segment: contain the longest segment of conductor.
if (segment -> firstPoint().x() != segment -> secondPoint().x()) all_segment_is_vertical = false;
if (segment -> firstPoint().y() != segment -> secondPoint().y()) all_segment_is_horizontal = false;
if (segment -> firstPoint().x() != segment -> secondPoint().x())
all_segment_is_vertical = false;
if (segment -> firstPoint().y() != segment -> secondPoint().y())
all_segment_is_horizontal = false;
while (segment -> hasNextSegment()) {
while (segment -> hasNextSegment())
{
segment = segment -> nextSegment();
if (segment -> firstPoint().x() != segment -> secondPoint().x()) all_segment_is_vertical = false;
if (segment -> firstPoint().y() != segment -> secondPoint().y()) all_segment_is_horizontal = false;
if (segment -> firstPoint().x() != segment -> secondPoint().x())
all_segment_is_vertical = false;
if (segment -> firstPoint().y() != segment -> secondPoint().y())
all_segment_is_horizontal = false;
//We must to compare length segment, but they can be negative
//so we multiply by -1 to make it positive.
//We must to compare length segment, but they can be negative
//so we multiply by -1 to make it positive.
int saved = biggest_segment -> length();
if (saved < 0) saved *= -1;
int curent = segment->length();
@@ -1246,57 +1252,96 @@ QPointF Conductor::posForText(Qt::Orientations &flag) {
* otherwise, move conductor at the middle of the longest segment of conductor.
* If text was moved by user, this function do nothing, except check if text is near conductor.
*/
void Conductor::calculateTextItemPosition() {
if (!m_text_item || !diagram() || m_properties.type != ConductorProperties::Multi) return;
void Conductor::calculateTextItemPosition()
{
if (!m_text_item || !diagram() || m_properties.type != ConductorProperties::Multi)
return;
if (diagram() -> defaultConductorProperties.m_one_text_per_folio == true &&
relatedPotentialConductors(false).size() > 0) {
relatedPotentialConductors(false).size() > 0)
{
Conductor *longuest_conductor = longuestConductorInPotential(this);
//The longuest conductor isn't this conductor
//we call calculateTextItemPosition of the longuest conductor
if(longuest_conductor != this) {
//The longuest conductor isn't this conductor
//we call calculateTextItemPosition of the longuest conductor
if(longuest_conductor != this)
{
longuest_conductor -> calculateTextItemPosition();
return;
}
//At this point this conductor is the longuest conductor we hide all text of conductor_list
//At this point this conductor is the longuest conductor we hide all text of conductor_list
foreach (Conductor *c, relatedPotentialConductors(false)) {
c -> textItem() -> setVisible(false);
}
//Make sure text item is visible
}
//Make sure text item is visible
m_text_item -> setVisible(true);
}
//position
if (m_text_item -> wasMovedByUser()) {
//Text field was moved by user :
//we check if text field is yet near the conductor
//position
if (m_text_item -> wasMovedByUser())
{
//Text field was moved by user :
//we check if text field is yet near the conductor
QPointF text_item_pos = m_text_item -> pos();
QPainterPath near_shape = nearShape();
if (!near_shape.contains(text_item_pos)) {
m_text_item -> setPos(movePointIntoPolygon(text_item_pos, near_shape));
}
} else {
//Position and rotation of text is calculated.
}
else
{
//Position and rotation of text is calculated.
Qt::Orientations rotation;
QPointF text_pos = posForText(rotation);
if (!m_text_item -> wasRotateByUser()) {
if (!m_text_item -> wasRotateByUser())
{
rotation == Qt::Vertical ? m_text_item -> setRotation(m_properties.verti_rotate_text):
m_text_item -> setRotation(m_properties.horiz_rotate_text);
}
//Adjust the position of text if his rotation
//is 0° or 270°, to be exactly centered to the conductor
//Adjust the position of text if his rotation
//is 0° or 270°, to be exactly centered to the conductor
if (m_text_item -> rotation() == 0)
{
text_pos.rx() -= m_text_item -> boundingRect().width()/2;
if(m_properties.m_horizontal_alignment == Qt::AlignTop)
text_pos.ry() -= m_text_item->boundingRect().height();
}
else if (m_text_item -> rotation() == 270)
{
text_pos.ry() += m_text_item -> boundingRect().width()/2;
//Finaly set the position of text
if(m_properties.m_vertical_alignment == Qt::AlignLeft)
text_pos.rx() -= m_text_item->boundingRect().height();
}
m_text_item -> setPos(text_pos);
//Ensure text item don't collide with this conductor
while (m_text_item->collidesWithItem(this))
{
if(rotation == Qt::Vertical)
{
qWarning() << "v";
if(m_properties.m_vertical_alignment == Qt::AlignRight)
m_text_item->setX(m_text_item->x()+1);
else if (m_properties.m_vertical_alignment == Qt::AlignLeft)
m_text_item->setX(m_text_item->x()-1);
else
return; //avoid infinite loop
}
else if (rotation == Qt::Horizontal)
{
if(m_properties.m_horizontal_alignment == Qt::AlignTop)
m_text_item->setY(m_text_item->y()-1);
else if (m_properties.m_horizontal_alignment == Qt::AlignBottom)
m_text_item->setY(m_text_item->y()+1);
else
return; //avoid infinite loop
}
}
}
}