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feat: add background grid

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parker
2025-06-20 03:23:07 +01:00
parent b829ba639b
commit 7394f72f51
5 changed files with 58 additions and 1 deletions
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36
src/gui/network/NetworkGraphicsScene.cpp
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@@ -9,8 +9,44 @@ NetworkGraphicsScene::NetworkGraphicsScene()
{
sceneWidth_ = 64000;
sceneHeight_ = 64000;
gridSize_ = 20;
setSceneRect(sceneWidth_/-2.0f, sceneHeight_/-2.0f, sceneWidth_, sceneHeight_);
setBackgroundBrush(QColor("#1b1b1b"));
}
void NetworkGraphicsScene::drawBackground(QPainter *painter, const QRectF &rect)
{
QGraphicsScene::drawBackground(painter, rect);
int top = ceil(rect.top());
int bottom = floor(rect.bottom());
int left = floor(rect.left());
int right = ceil(rect.right());
std::cout << "top: " << top << "\n";
std::cout << "bottom: " << bottom << "\n";
std::cout << "left: " << left << "\n";
std::cout << "right: " << right << "\n";
QPen gridPen(QColor("#323232"));
painter->setPen(gridPen);
QList<QLine> lines;
for (int y = top - (top % gridSize_); y <= bottom; y += gridSize_) {
lines.append(QLine(left, y, right, y));
}
for (int x = left - (left % gridSize_); x <= right; x += gridSize_) {
lines.append(QLine(x, bottom, x, top));
}
painter->drawLines(lines);
}