micromenu/inc/col.h
2018-11-01 14:37:30 +01:00

84 lines
1.6 KiB
C++

#ifndef _COL_H_
#define _COL_H_
class Node;
typedef void (*drawfun_t)(int offset, int size, Node*);
void draw_menu(int, int, Node*);
class Drawable{
public:
const int minsize;
const int maxsize;
drawfun_t render;
Drawable(drawfun_t fun, int min = 0, int max=0): minsize(min), maxsize(max), render(fun){
}
};
class Node{
private:
Node* parent_ = 0;
Node* child_ = 0;
Node* next_ = 0;
void addNodes(bool b){
}
template<class ...Us>
void addNodes(bool b, Node* n, Us ... ns){
next_ = n;
next_->parent_ = parent_;
next_->addNodes(!b,ns...);
}
public:
Drawable view;
const char* title_ = 0;
Node(int min = 24, int max=48): next_(nullptr), child_(nullptr), parent_(nullptr), view(nullptr, min, max){
}
Node(const char* t, drawfun_t fun=draw_menu, int min = 24, int max=48) : title_(t), view(fun, min, max), next_(nullptr), child_(nullptr), parent_(nullptr){
}
template<typename ... Args>
Node(const char* t, Node* n, Args ... ns) : title_(t), view(draw_menu, 24, 48){
child_ = n;
n->parent_=this;
child_->addNodes(true,ns...);
}
Node* getChild(){
return child_;
}
};
class Value: public Node{
public:
const char* header;
int state;
Value(const char* t, int val, drawfun_t fun): Node(t, fun, 64, 96), header(t), state(val){
}
};
class Layout{
class Slot{
private:
int pos_;
int size_;
public:
Node* node;
friend Layout;
};
private:
const int maxwidth_;
int allocated_;
int allocate_(Node*, int);
int expand_(int );
int pack_(int);
public:
static const int maxslots = 10;
Layout(int max) : maxwidth_(max){
}
int apply(Node*);
Slot slots[maxslots];
void render();
};
#endif