foobar2000/helpers/dialog_resize_helper.h

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#ifndef _DIALOG_RESIZE_HELPER_H_
#define _DIALOG_RESIZE_HELPER_H_


//deprecated, use dialog_resize_helper class
namespace resize
{
        void calc_xy(HWND wnd,UINT id,RECT &r,RECT & o);
        void calc_move_xy(HWND wnd,UINT id,RECT &r,RECT & o);
        void calc_move_x(HWND wnd,UINT id,RECT &r,RECT & o);
        void calc_move_x_size_y(HWND wnd,UINT id,RECT &r,RECT & o);
        void calc_move_y(HWND wnd,UINT id,RECT &r,RECT & o);
        void calc_x(HWND wnd,UINT id,RECT &r,RECT & o);
};

void GetChildRect(HWND wnd,UINT id,RECT* child);


class dialog_resize_helper
{
        pfc::array_t<RECT> rects;
        RECT orig_client;
        HWND parent;
        HWND sizegrip;
        unsigned min_x,min_y,max_x,max_y;

public:
        struct param {
                unsigned short id;
                unsigned short flags;
        };
private:
        pfc::array_t<param> m_table;

        void set_parent(HWND wnd);
        void add_item(UINT id,UINT flags);
        void reset();
        void on_wm_size();
        void add_items(const param* table,unsigned count);
public:
        inline void set_min_size(unsigned x,unsigned y) {min_x = x; min_y = y;}
        inline void set_max_size(unsigned x,unsigned y) {max_x = x; max_y = y;}
        void add_sizegrip();
        
        enum {
                X_MOVE = 1, X_SIZE = 2, Y_MOVE = 4, Y_SIZE = 8,
                XY_MOVE = X_MOVE|Y_MOVE, XY_SIZE = X_SIZE|Y_SIZE,
                X_MOVE_Y_SIZE = X_MOVE|Y_SIZE, X_SIZE_Y_MOVE = X_SIZE|Y_MOVE,
        };
        bool process_message(HWND wnd,UINT msg,WPARAM wp,LPARAM lp);



        explicit dialog_resize_helper(const param * src,unsigned count,unsigned p_min_x,unsigned p_min_y,unsigned p_max_x,unsigned p_max_y);
        ~dialog_resize_helper();
};

#endif

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