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jwindow.c
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C/C++ Source or Header
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1997-05-20
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15KB
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621 lines
#include "video.hpp"
#include "image.hpp"
#include "event.hpp"
#include "filter.hpp"
#include "event.hpp"
#include "jwindow.hpp"
int jw_left=5,jw_right=5,jw_top=15,jw_bottom=5;
int frame_top() { return jw_top; }
int frame_bottom() { return jw_bottom; }
int frame_left() { return jw_left; }
int frame_right() { return jw_right; }
ifield::~ifield() { ; }
void set_frame_size(int x)
{
if (x<1) x=1;
jw_left=x;
jw_right=x;
jw_top=10+x;
jw_bottom=x;
}
extern image *screen;
// true if a window lies in this area
int window_manager::window_in_area(int x1, int y1, int x2, int y2)
{
for (jwindow *f=first;f;f=f->next)
if (f->x<=x2 && f->y<=y2 && f->x+f->l-1>=x1 && f->y+f->h-1>=y1)
return 1;
return 0;
}
void window_manager::grab_focus(jwindow *j)
{ grab=j; }
void window_manager::release_focus()
{ grab=NULL; }
void window_manager::close_window(jwindow *j)
{
jwindow *k;
if (grab==j) grab=NULL;
if (state==dragging && j==drag_window) // close the window we were dragging
state=inputing;
if (j==first)
first=first->next;
else
{
for (k=first;k->next!=j;k=k->next)
k->screen->add_dirty(j->x-k->x,j->y-k->y,
j->x+j->l-1-k->x,j->y+j->h-1-k->y);
k->screen->add_dirty(j->x-k->x,j->y-k->y,
j->x+j->l-1-k->x,j->y+j->h-1-k->y);
k->next=j->next;
}
screen->add_dirty(j->x,j->y,j->x+j->l-1,j->y+j->h-1);
delete j;
}
void window_manager::hide_windows()
{
jwindow *p;
for (p=first;p;p=p->next)
{
if (!p->property.hidden)
{
p->property.hidden=1;
screen->add_dirty(p->x,p->y,p->x+p->l-1,p->y+p->h-1);
}
}
}
void window_manager::show_windows()
{
jwindow *p;
for (p=first;p;p=p->next)
if (p->property.hidden)
show_window(p);
}
void window_manager::hide_window(jwindow *j)
{
jwindow *k;
if (j==first)
first=first->next;
else
{
for (k=first;k->next!=j;k=k->next)
k->screen->add_dirty(j->x-k->x,j->y-k->y,
j->x+j->l-1-k->x,j->y+j->h-1-k->y);
k->screen->add_dirty(j->x-k->x,j->y-k->y,
j->x+j->l-1-k->x,j->y+j->h-1-k->y);
k->next=j->next;
}
screen->add_dirty(j->x,j->y,j->x+j->l-1,j->y+j->h-1);
j->property.hidden=1;
}
void window_manager::show_window(jwindow *j)
{
if (j->property.hidden)
{
j->property.hidden=0;
j->screen->add_dirty(0,0,j->l-1,j->h-1);
}
}
void window_manager::get_event(event &ev)
{
jwindow *j;
eh->get_event(ev);
if (ev.type==EV_KEY)
key_state[ev.key]=1;
else if (ev.type==EV_KEYRELEASE)
key_state[ev.key]=0;
if (state==inputing)
{
for (ev.window=NULL,j=first;j;j=j->next)
if (!j->property.hidden && ev.mouse_move.x>=j->x && ev.mouse_move.y>=j->y &&
ev.mouse_move.x<j->x+j->l && ev.mouse_move.y<j->y+j->h)
ev.window=j;
if (!ev.window && grab) ev.window=grab;
if (ev.window)
{
int closew=0,movew=0;
if ((ev.type==EV_MOUSE_BUTTON && ev.mouse_button==1 && ev.window &&
ev.mouse_move.x>=ev.window->x && ev.mouse_move.y>=ev.window->y &&
ev.mouse_move.x<ev.window->x+ev.window->l && ev.mouse_move.y<ev.window->y+ev.window->y1()))
{
if (ev.mouse_move.x-ev.window->x<11) closew=1;
else if (ev.window->property.moveable) movew=1;
} else if (grab)
ev.window=grab;
if (ev.type==EV_KEY && ev.key==JK_ESC)
closew=1;
if (closew)
ev.type=EV_CLOSE_WINDOW;
else if (movew)
{
int red=0;
if (ev.window==first) // see if we need to raise the window
{
first=first->next;
if (first)
red=1;
}
else
{
jwindow *last=first;
for (;last->next!=ev.window;last=last->next);
if (ev.window->next)
red=1;
last->next=ev.window->next;
}
if (!first)
first=ev.window;
else
{
jwindow *last=first;
for (;last->next;last=last->next);
last->next=ev.window;
}
ev.window->next=NULL;
if (red)
{
jwindow *j=ev.window,*p;
/* screen->add_dirty(j->x,j->y,j->x+j->l-1,j->y+j->h-1);
for (p=first;p!=j;p=p->next)
p->screen->add_dirty(j->x-p->x,j->y-p->y,j->x+j->l-1-p->x,j->y+j->h-1-p->y);*/
j->screen->add_dirty(0,0,j->l-1,j->h-1);
flush_screen();
}
state=dragging;
drag_window=ev.window;
drag_mousex=ev.window->x-ev.mouse_move.x;
drag_mousey=ev.window->y-ev.mouse_move.y;
ev.type=EV_SPURIOUS;
} else if (ev.window)
ev.window->inm->handle_event(ev,ev.window,this);
}
} else if (state==dragging)
{
ev.window=drag_window;
if (ev.type==EV_MOUSE_BUTTON && ev.mouse_button==0) // user released the mouse
{
state=inputing;
ev.type=EV_SPURIOUS;
} else if (ev.type==EV_MOUSE_MOVE)
{
move_window(drag_window,ev.mouse_move.x+drag_mousex,ev.mouse_move.y+drag_mousey);
flush_screen();
ev.type=EV_DRAG_WINDOW;
ev.window_position.x=ev.mouse_move.x+drag_mousex;
ev.window_position.y=ev.mouse_move.y+drag_mousey;
}
}
if (ev.type==EV_REDRAW)
{
for (j=first;j;j=j->next)
j->screen->add_dirty(ev.redraw.x1-j->x,ev.redraw.y1-j->y,
ev.redraw.x2-j->x,ev.redraw.y2-j->y);
screen->add_dirty(ev.redraw.x1,ev.redraw.y1,ev.redraw.x2,ev.redraw.y2);
flush_screen();
ev.type=EV_SPURIOUS; // we took care of this one by ourselves.
}
}
void jwindow::resize(int L, int H)
{
screen->change_size(L,H);
l=L; h=H;
}
void window_manager::resize_window(jwindow *j, int l, int h)
{
jwindow *p;
screen->add_dirty(j->x,j->y,j->x+j->l-1,j->y+j->h-1);
for (p=first;p!=j;p=p->next)
p->screen->add_dirty(j->x-p->x,j->y-p->y,j->x+j->l-1-p->x,j->y+j->h-1-p->y);
j->resize(l,h);
if (!frame_suppress)
j->redraw(hi,med,low,frame_font());
}
void window_manager::move_window(jwindow *j, int x, int y)
{
jwindow *p;
screen->add_dirty(j->x,j->y,j->x+j->l-1,j->y+j->h-1);
for (p=first;p!=j;p=p->next)
p->screen->add_dirty(j->x-p->x,j->y-p->y,j->x+j->l-1-p->x,j->y+j->h-1-p->y);
j->x=x;
j->y=y;
j->screen->add_dirty(0,0,j->l-1,j->h-1);
}
window_manager::window_manager(image *Screen, palette *Pal, int Hi,
int Med, int Low, JCFont *Font)
{
hi=Hi; low=Low; med=Med; first=NULL; pal=Pal; grab=NULL;
bk=pal->find_closest(0,0,0);
state=inputing; fnt=Font; wframe_fnt=Font;
memset(key_state,0,sizeof(key_state));
eh=new event_handler(screen,pal);
frame_suppress=0;
}
jwindow *window_manager::new_window(int x, int y, int l, int h, ifield *fields, char *Name)
{
if (x>screen->width()-4) x=screen->width()-25;
if (y>screen->height()-4) y=screen->height()-10;
jwindow *j=new jwindow(x,y,l,h,this,fields,Name),*k;
j->property.hidden=0;
if (!first)
first=j;
else
{
k=first;
while (k->next) k=k->next;
k->next=j;
j->next=NULL;
}
if (!frame_suppress)
j->redraw(hi,med,low,frame_font());
return j;
}
void window_manager::flush_screen()
{
jwindow *p,*q;
int mx,my,but;
image *mouse_pic,*mouse_save;
if (has_mouse())
{
mouse_pic=eh->mouse_sprite()->visual;
mouse_save=eh->mouse_sprite()->save;
mx=eh->mouse->drawx();
my=eh->mouse->drawy();
screen->add_dirty(mx-1, my-1, mx + mouse_pic->width(), my + mouse_pic->height());
screen->put_part(mouse_save,0,0,mx,my,mx+mouse_pic->width()-1,my+mouse_pic->height()-1);
mouse_pic->put_image(screen,mx,my,1);
}
for (p=first;p;p=p->next)
if (!p->property.hidden)
screen->delete_dirty(p->x,p->y,p->x+p->l-1,p->y+p->h-1);
update_dirty(screen);
if (has_mouse())
mouse_save->put_image(screen,mx,my);
for (p=first;p;p=p->next)
{
if (!p->property.hidden)
{
if (has_mouse())
{
p->screen->put_part(mouse_save,0,0,mx-p->x,my-p->y,
mx-p->x+mouse_pic->width()-1,
my-p->y+mouse_pic->height()-1);
if (has_mouse())
mouse_pic->put_image(p->screen,mx-p->x,my-p->y,1);
}
// screen->delete_dirty(p->x,p->y,p->x+p->l-1,p->y+p->h-1);
for (q=p->next;q;q=q->next)
if (!q->property.hidden)
p->screen->delete_dirty(q->x-p->x,
q->y-p->y,
q->x+q->l-1-p->x,
q->y+q->h-1-p->y);
update_dirty(p->screen,p->x,p->y);
if (has_mouse())
mouse_save->put_image(p->screen,mx-p->x,my-p->y,0);
}
}
}
void jwindow::set_moveability(int x)
{
property.moveable=x;
}
jwindow::jwindow(int X, int Y, int L, int H, window_manager *wm, ifield *fields, char *Name)
{
ifield *i;
int x1,y1,x2,y2;
l=0; h=0;
property.moveable=1;
if (fields)
for (i=fields;i;i=i->next)
{
i->area(x1,y1,x2,y2,wm);
if ((int)y2>(int)h)
h=y2+1;
if ((int)x2>(int)l)
l=x2+1;
}
else { l=2; h=2; }
if (L<=0) { l=l-L; } else l=L+jw_left;
if (H<=0) { h=h-H; } else h=H+jw_top;
if (Y<0) y=yres-h+Y-WINDOW_FRAME_TOP-WINDOW_FRAME_BOTTOM-1; else y=Y;
if (X<0) x=xres-l+X-WINDOW_FRAME_LEFT-WINDOW_FRAME_RIGHT-1; else x=X;
backg=wm->medium_color();
l+=WINDOW_FRAME_RIGHT; h+=WINDOW_FRAME_BOTTOM;
// if (!fields) { l+=WINDOW_FRAME_LEFT; h+=WINDOW_FRAME_TOP; }
if (l<18) l=18;
if (h<12) h=12;
screen=new image(l,h,NULL,2);
l=screen->width();
h=screen->height();
screen->clear(backg);
next=NULL;
inm=new input_manager(screen,wm,fields);
if (Name==NULL)
name=strcpy((char *)jmalloc(strlen(" ")+1,"jwindow::window name")," ");
else
name=strcpy((char *)jmalloc(strlen(Name)+1,"jwindow::window name"),Name);
}
void jwindow::local_close() { ; }
void jwindow::redraw(int hi, int med, int low, JCFont *fnt)
{
if (jw_right>=3)
screen->rectangle(0,0,l-3,h-3,low);
if (jw_right>=2)
screen->rectangle(1,1,l-2,h-2,med);
if (jw_right>=1)
screen->rectangle(2,2,l-1,h-1,hi);
screen->wiget_bar(0,0,l-1,8,hi,med,low);
screen->line(1,1,l-2,1,low);
screen->line(1,3,l-2,3,low);
screen->line(1,5,l-2,5,low);
screen->line(1,7,l-2,7,low);
screen->wiget_bar(4,3,10,5,hi,med,low);
screen->rectangle(3,2,11,6,0);
screen->line(0,8,l-1,8,0);
if (jw_right>=1)
screen->wiget_bar(0,9,l-1,h-1,hi,med,low);
screen->wiget_bar(0,9,l-1,h-1,hi,med,low);
if (jw_right>=2)
screen->wiget_bar(4,13,l-jw_right,h-jw_right,low,med,hi);
if (name && name[0] && (name[0]!=' ' || name[1]))
{
short cx1,cy1,cx2,cy2;
screen->get_clip(cx1,cy1,cx2,cy2);
screen->set_clip(14,1,l-2,WINDOW_FRAME_TOP-4);
screen->bar(14,1,14+fnt->width()*strlen(name),15-8,med);
fnt->put_string(screen,14,1,name,low);
screen->set_clip(cx1,cy1,cx2,cy2);
}
screen->bar(x1(),y1(),x2(),y2(),backg);
inm->redraw();
}
ifield *input_manager::unlink(int id) // unlinks ID from fields list and return the pointer to it
{
for (ifield *i=first,*last;i;i=i->next)
{
if (i->id==id)
{
if (i==first)
first=first->next;
else
last->next=i->next;
if (active==i)
active=first;
return i;
}
ifield *x=i->unlink(id);
if (x) return x;
last=i;
}
return NULL; // no such id
}
input_manager::~input_manager()
{ ifield *i;
while (first)
{ i=first;
first=first->next;
delete i;
}
}
void input_manager::clear_current()
{
if (active)
active->draw(0,screen,wm);
active=NULL;
}
void input_manager::next_active(image *screen, window_manager *wm)
{
active->draw(0,screen,wm);
do
{
active=active->next;
if (!active) active=first;
} while (active && !active->selectable());
active->draw(1,screen,wm);
}
void input_manager::handle_event(event &ev, jwindow *j, window_manager *wm)
{
ifield *i,*in_area=NULL;
int x1,y1,x2,y2;
if (j)
{
ev.mouse_move.x-=j->x;
ev.mouse_move.y-=j->y;
cur=j;
}
if (!grab)
{
if ((ev.type==EV_MOUSE_BUTTON && ev.mouse_button==1) || ev.type==EV_MOUSE_MOVE)
{
for (i=first;i;i=i->next)
{
i->area(x1,y1,x2,y2,wm);
if (ev.mouse_move.x>=x1 && ev.mouse_move.y>=y1 &&
ev.mouse_move.x<=x2 && ev.mouse_move.y<=y2)
in_area=i;
}
if (in_area!=active && (no_selections_allowed || (in_area && in_area->selectable())))
{
if (active)
active->draw(0,screen,wm);
active=in_area;
if (active)
active->draw(1,screen,wm);
}
}
if (ev.type==EV_KEY && ev.key==JK_TAB && active)
{
active->draw(0,screen,wm);
do
{
active=active->next;
if (!active) active=first;
} while (active && !active->selectable());
active->draw(1,screen,wm);
}
} else active=grab;
if (active)
{
if (ev.type!=EV_MOUSE_MOVE && ev.type!=EV_MOUSE_BUTTON)
active->handle_event(ev,screen,wm,this);
else
{
active->area(x1,y1,x2,y2,wm);
if (grab || (ev.mouse_move.x>=x1 && ev.mouse_move.y>=y1 &&
ev.mouse_move.x<=x2 && ev.mouse_move.y<=y2))
{
if (j)
active->handle_event(ev,screen,wm,j->inm);
else active->handle_event(ev,screen,wm,this);
}
}
}
if (j)
{
ev.mouse_move.x+=j->x;
ev.mouse_move.y+=j->y;
}
}
void input_manager::allow_no_selections()
{
no_selections_allowed=1;
}
void input_manager::redraw()
{
ifield *i;
for (i=first;i;i=i->next)
i->draw_first(screen,wm);
if (active)
active->draw(1,screen,wm);
}
input_manager::input_manager(image *Screen, window_manager *WM, ifield *First)
{
screen=Screen;
no_selections_allowed=0;
cur=NULL;
grab=NULL;
wm=WM;
active=first=First;
while (active && !active->selectable()) active=active->next;
redraw();
}
void input_manager::grab_focus(ifield *i)
{ grab=i;
if (cur)
wm->grab_focus(cur);
}
void input_manager::release_focus()
{ grab=NULL;
if (cur)
wm->release_focus();
}
void input_manager::remap(filter *f)
{
for (ifield *i=first;i;i=i->next)
i->remap(f);
redraw();
}
void input_manager::add(ifield *i)
{ ifield *f=first;
if (i->selectable())
{
if (!f)
first=i;
else
{
while (f->next) f=f->next;
f->next=i;
}
}
}
ifield *input_manager::get(int id)
{
ifield *f;
for (f=first;f;f=f->next)
{
ifield *ret=f->find(id);
if (ret) return ret;
}
return NULL;
}