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Add a simple grid-based layout manager.

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Unknown W. Brackets 2013-04-06 17:46:59 -07:00
parent 7ebbe20904
commit f45b5d6094
1 changed files with 46 additions and 0 deletions
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46
ui/ui.h
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@ -81,6 +81,52 @@ private:
float spacing_;
};
class HGrid : public LayoutManager {
public:
HGrid(float x, float y, float xMax, float xSpacing = 2.0f, float ySpacing = 2.0f)
: x_(x), y_(y), xInit_(x), xMax_(xMax), xSpacing_(xSpacing), ySpacing_(ySpacing) {}
virtual void GetPos(float *w, float *h, float *x, float *y) const {
*x = x_;
*y = y_;
x_ += *w + xSpacing_;
if (x_ >= xMax_) {
x_ = xInit_;
y_ += *h + ySpacing_;
}
}
private:
mutable float x_;
mutable float y_;
float xInit_;
float xMax_;
float xSpacing_;
float ySpacing_;
};
class VGrid : public LayoutManager {
public:
VGrid(float x, float y, float yMax, float xSpacing = 2.0f, float ySpacing = 2.0f)
: x_(x), y_(y), yInit_(y), yMax_(yMax), xSpacing_(xSpacing), ySpacing_(ySpacing) {}
virtual void GetPos(float *w, float *h, float *x, float *y) const {
*x = x_;
*y = y_;
y_ += *h + ySpacing_;
if (y_ >= yMax_) {
x_ += *w + xSpacing_;
y_ = yInit_;
}
}
private:
mutable float x_;
mutable float y_;
float yInit_;
float yMax_;
float xSpacing_;
float ySpacing_;
};
#ifndef MAX_POINTERS
#define MAX_POINTERS 8