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#ifndef __JWIN__
#define __JWIN__
#include "video.hpp"
#include "image.hpp"
#include "event.hpp"
#include "filter.hpp"
#include "event.hpp"
#include "fonts.hpp"
class ifield;
class window_manager;
class jwindow;
int frame_top();
int frame_bottom();
int frame_left();
int frame_right();
void set_frame_size(int x);
#define WINDOW_FRAME_TOP frame_top()
#define WINDOW_FRAME_BOTTOM frame_bottom()
#define WINDOW_FRAME_LEFT frame_left()
#define WINDOW_FRAME_RIGHT frame_right()
class input_manager
{
image *screen;
ifield *first,*active,*grab;
window_manager *wm;
jwindow *cur;
int no_selections_allowed;
public :
input_manager(image *Screen, window_manager *WM, ifield *First);
void handle_event(event &ev, jwindow *j, window_manager *wm);
ifield *get(int id);
void redraw();
void add(ifield *i);
void remap(filter *f);
ifield *unlink(int id); // unlinks ID from fields list and return the pointer to it
ifield *current() { return active; }
void clear_current();
void grab_focus(ifield *i);
void release_focus();
void allow_no_selections();
~input_manager();
} ;
class ifield
{
public :
int x,y;
int id;
ifield *next;
virtual void area(int &x1, int &y1, int &x2, int &y2, window_manager *wm) = 0;
virtual void draw_first(image *screen, window_manager *wm) = 0;
virtual void draw(int active, image *screen, window_manager *wm) = 0;
virtual void handle_event(event &ev, image *screen, window_manager *wm, input_manager *im) = 0;
virtual int selectable() { return 1; }
virtual void remap(filter *f) { ; }
virtual char *read() = 0;
virtual ifield *find(int search_id) { if (id==search_id) return this; else return NULL; }
virtual ifield *unlink(int id) { return NULL; }
virtual ~ifield();
} ;
struct jwindow_properties
{
uchar moveable,
hidden;
} ;
class jwindow
{
public :
jwindow_properties property;
jwindow *next;
char *name;
int x,y,l,h,backg;
image *screen;
input_manager *inm;
void *local_info; // pointer to info block for local system (may support windows)
jwindow(int X, int Y, int L, int H, window_manager *wm, ifield *fields, char *Name=NULL);
void redraw(int hi, int med, int low, JCFont *fnt);
void resize(int L, int H);
void clear(int color=0) { screen->bar(x1(),y1(),x2(),y2(),color); }
int x1() { return WINDOW_FRAME_LEFT; }
int y1() { return WINDOW_FRAME_TOP; }
int x2() { return l-WINDOW_FRAME_RIGHT-1; }
int y2() { return h-WINDOW_FRAME_BOTTOM-1; }
void clip_in() { screen->set_clip(x1(),y1(),x2(),y2()); }
void clip_out() { screen->set_clip(0,0,l-1,h-1); }
char *read(int id) { return inm->get(id)->read(); }
void local_close();
void set_moveability(int x);
~jwindow() { local_close(); delete screen; delete inm; jfree(name); }
} ;
class window_manager
{
public :
event_handler *eh;
jwindow *first,*grab;
image *screen,*mouse_pic,*mouse_save;
palette *pal;
int hi,med,low,bk; // bright, medium, dark and black colors
int key_state[512];
enum { inputing,dragging } state;
int drag_mousex, drag_mousey,frame_suppress;
jwindow *drag_window;
JCFont *fnt,*wframe_fnt;
window_manager(image *Screen, palette *Pal, int Hi, int Med, int Low, JCFont *Font);
jwindow *new_window(int x, int y, int l, int h, ifield *fields=NULL, char *Name=NULL);
void set_frame_font(JCFont *fnt) { wframe_fnt=fnt; }
JCFont *frame_font() { return wframe_fnt; }
void close_window(jwindow *j);
void resize_window(jwindow *j, int l, int h);
void move_window(jwindow *j, int x, int y);
void get_event(event &ev);
void push_event(event *ev) { eh->push_event(ev); }
int event_waiting() { return eh->event_waiting(); }
void flush_screen();
int bright_color() { return hi; }
int medium_color() { return med; }
int dark_color() { return low; }
int black() { return bk; }
void set_colors(int Hi, int Med, int Low) { hi=Hi; med=Med; low=Low; }
JCFont *font() { return fnt; }
int has_mouse() { return eh->has_mouse(); }
void mouse_status(int &x, int &y, int &button) {eh->mouse_status(x,y,button); }
void set_mouse_shape(image *im, int centerx, int centery)
{ eh->set_mouse_shape(im,centerx,centery); }
void set_mouse_position(int mx, int my)
{ eh->set_mouse_position(mx,my); }
int key_pressed(int x) { return key_state[x]; }
~window_manager() { delete eh; while (first) close_window(first); }
void hide_windows();
void show_windows();
void hide_window(jwindow *j);
void show_window(jwindow *j);
void set_frame_suppress(int x) { frame_suppress=x; }
void grab_focus(jwindow *j);
void release_focus();
int window_in_area(int x1, int y1, int x2, int y2); // true if a window lies in this area
} ;
#endif
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