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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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11KB
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464 lines
#include "video.hpp"
#include "image.hpp"
#include "event.hpp"
#include "filter.hpp"
#include "event.hpp"
#include "jwindow.hpp"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <X11/X.h>
int jw_left=5,jw_right=5,jw_top=15,jw_bottom=5;
int frame_top() { return 0; }
int frame_bottom() { return 0; }
int frame_left() { return 0; }
int frame_right() { return 0; }
extern void update_dirty_window(Window win, image *im, int xoff, int yoff);
extern Window root,mainwin;
extern Display *display;
extern int screen_num;
struct jxwin
{
Window win;
} ;
void set_frame_size(int x)
{
return ;
}
void window_manager::close_window(jwindow *j)
{
if (j==first)
first=first->next;
else
{
for (jwindow *k=first;k->next!=j;k=k->next);
k->next=j->next;
}
XFlush(display);
delete j;
}
void window_manager::hide_windows()
{
for (jwindow *p=first;p;p=p->next)
p->hidden=1;
}
void window_manager::show_windows()
{
for (jwindow *p=first;p;p=p->next)
p->hidden=0;
}
void window_manager::hide_window(jwindow *j)
{
j->hidden=1;
}
void window_manager::show_window(jwindow *j)
{
j->hidden=0;
}
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)
{
int f=0;
for (j=first;j;j=j->next)
if (!j->hidden && ((Window)ev.window)==((jxwin *)j->local_info)->win)
{ f=1;
ev.window=j;
}
if (!f) ev.window=NULL;
if (ev.window)
{
int closew=0,movew=0;
if (ev.type==EV_KEY && ev.key==JK_ESC)
closew=1;
if (closew)
ev.type=EV_CLOSE_WINDOW;
else if (ev.window)
ev.window->inm->handle_event(ev,0,0);
}
}
if (ev.type==EV_REDRAW)
{
if (ev.window)
ev.window->screen->add_dirty(ev.redraw.x1,ev.redraw.y1,ev.redraw.x2,ev.redraw.y2);
else
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)
{
XWindowChanges v;
v.width=L;
v.height=H;
XFlush(display);
XConfigureWindow(display,((jxwin *)local_info)->win,CWWidth|CWHeight,&v);
l=L; h=H;
}
void window_manager::resize_window(jwindow *j, int l, int h)
{
jwindow *p;
j->resize(l,h);
j->redraw(hi,med,low,font());
}
void window_manager::move_window(jwindow *j, int x, int y)
{
return ;
}
window_manager::window_manager(image *Screen, palette *Pal, int Hi,
int Med, int Low, JCFont *Font)
{
screen=Screen; hi=Hi; low=Low; med=Med; first=NULL; pal=Pal;
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);
}
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()-4;
if (y>screen->height()-4) y=screen->height()-4;
jwindow *j=new jwindow(x,y,l,h,this,fields,Name),*k;
j->hidden=0;
if (!first)
first=j;
else
{
k=first;
while (k->next) k=k->next;
k->next=j;
j->next=NULL;
}
j->redraw(hi,med,low,font());
return j;
}
void window_manager::flush_screen()
{
jwindow *p,*q;
int mx,my,but;
image *mouse_pic,*mouse_save;
update_dirty(screen);
for (p=first;p;p=p->next)
{
if (!p->hidden)
update_dirty_window(((jxwin *)p->local_info)->win,p->screen,0,0);
}
}
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;
if (fields)
for (i=fields;i;i=i->next)
{
i->area(x1,y1,x2,y2,wm);
if ((int)y2+1>(int)h)
h=y2+1;
if ((int)x2+1>(int)l)
l=x2+1;
}
else { l=2; h=2; }
if (L<=0) { l=l-L; } else l=L;
if (H<=0) { h=h-H; } else h=H;
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);
local_info=(void *)jmalloc(sizeof(jxwin),"Xwindow struct");
XWindowAttributes wa;
XGetWindowAttributes(display,mainwin,&wa);
Window w=XCreateSimpleWindow(display,
root,
wa.x+x,wa.y+y,
l,h,
5,
BlackPixel(display,screen_num),
WhitePixel(display,screen_num));
((jxwin *)local_info)->win=w;
XSelectInput(display,w,
KeyPressMask | VisibilityChangeMask | ButtonPressMask | ButtonReleaseMask |
ButtonMotionMask | PointerMotionMask | KeyReleaseMask |
ExposureMask | StructureNotifyMask);
XSetTransientForHint(display,w,mainwin);
XSetWindowColormap(display,w,wa.colormap);
XTextProperty xtext;
ERROR(XStringListToTextProperty(&Name,1,&xtext),"X alloc failed");
XSizeHints *xsize;
ERROR((xsize=XAllocSizeHints()),"X alloc failed");
xsize->flags=PPosition | PSize | PMinSize | PMaxSize;
xsize->min_width=l;
xsize->min_height=h;
xsize->max_width=l;
xsize->max_height=h;
XWMHints *wm_hints;
ERROR((wm_hints=XAllocWMHints()),"X alloc failed");
wm_hints->initial_state=NormalState; // not iconified at first
wm_hints->input=1; // needs keyboard input
wm_hints->flags=StateHint | InputHint;
XSetWMProperties(display,w,&xtext,&xtext,&Name,0,xsize,wm_hints,NULL);
XFree(xtext.value);
XFree(xsize);
XFree(wm_hints);
XEvent report;
XMapWindow(display,((jxwin *)local_info)->win);
do
{ XNextEvent(display, &report);
} while (report.type!= Expose); // wait for our window to pop up
x=y=0;
}
void jwindow::local_close()
{
XDestroyWindow(display,((jxwin *)local_info)->win);
jfree(local_info);
}
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])
{
short cx1,cy1,cx2,cy2;
screen->get_clip(cx1,cy1,cx2,cy2);
screen->set_clip(14,1,l-2,WINDOW_FRAME_TOP-8);
screen->bar(14,1,14+fnt->width()*strlen(name),WINDOW_FRAME_TOP-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;
}
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::handle_event(event &ev, int xoff, int yoff)
{
ifield *i,*in_area=NULL;
int x1,y1,x2,y2;
ev.mouse_move.x-=xoff;
ev.mouse_move.y-=yoff;
if (ev.type==EV_MOUSE_BUTTON && ev.mouse_button==1)
{
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 && in_area && in_area->selectable())
{
if (active)
active->draw(0,screen,wm);
active=in_area;
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);
}
if (active)
{
if (ev.type!=EV_MOUSE_MOVE && ev.type!=EV_MOUSE_BUTTON)
active->handle_event(ev,screen,wm);
else
{
active->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)
active->handle_event(ev,screen,wm);
}
}
ev.mouse_move.x+=xoff;
ev.mouse_move.y+=yoff;
}
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;
wm=WM;
active=first=First;
while (active && !active->selectable()) active=active->next;
redraw();
}
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;
}