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mwindows.pas
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unit mwindows;
{$mode objfpc}{$H+}
//------------------------------------------------------------------------------
// The window manager unit for use with the retromachine
// v.0.03 - 20180127
// Piotr Kardasz [email protected]
// gpl v. 2.0 or higher
// alpha code quality
//------------------------------------------------------------------------------
interface
uses
Classes, SysUtils, threads, retro, icons, platform, vc4, retromalina;
const mapbase=mainscreen+$800000;
framewidth=4;
moved:integer=-10;
wt:int64=0;
type TWindow=class;
TDecoration=class;
TWidget=class;
TButton=class;
TIcon=class;
TMenuItem=class;
TMenu=class;
TStatusBar=class;
TWindows= class(TThread)
private
protected
procedure Execute; override;
public
Constructor Create(CreateSuspended : boolean);
end;
//------------------------------------------------------------------------------
// Applet registering and desktop init
//------------------------------------------------------------------------------
type TAppletProcedure=procedure;
type TAppletInfo=record
name:string;
proc:TAppletProcedure;
end;
type TAppletTable=array[0..1023] of TAppletInfo;
var AppletTable:TAppletTable;
AppletNum:integer=0;
procedure applet_register(name:string;proc:TAppletProcedure);
procedure init_desktop;
//------------------------------------------------------------------------------
// Basic window class
//------------------------------------------------------------------------------
type TWindow=class(TObject)
handle:TWindow;
prev,next:TWindow; // 2-way list
x,y:integer; // position on screen
l,h:integer; // dmensions on screen
vx,vy:integer; // visible upper left
vcl,vch:integer; // virtual canvas dimensions
vcx,vcy:integer; // virtual canvas x,y
mx,my,mk:integer; // mouse events
wl,wh:integer; // windows l,h
tcx,tcy:integer; // text cursor
bg:integer; // background color
tc:integer; // text color
canvas:pointer; // graphic memory
decoration:TDecoration; // the decoration or nil if none
visible:boolean; // visible or hidden
resizable:boolean; // if true windows not resizable
movable:boolean; // if true windows not movable by mouse
redraw:boolean; // set true by redrawing process after redraw
active:boolean; // if false, window doesn't need redrawing
title:string; // window title
buttons:TWidget; // widget chain start
icons:TIcon;
menu:TMenu;
statusbar:TStatusbar;
mstate:integer; // mouse position state
dclick:boolean;
needclose:boolean;
activey:integer;
selected:boolean;
virtualcanvas:boolean;
a32bit:boolean;
// The constructor. al, ah - graphic canvas dimensions
// atitle - title to set, if '' then windows will have no decoration
constructor create (al,ah:integer; atitle:string);
destructor destroy; override;
procedure draw(dest:integer); // redraw a window
procedure move(ax,ay,al,ah,avx,avy:integer); // move and resize. ax,ay - position on screen
// al, ah - visible dimensions without decoration
// avy, avy - upper left visible canvas pixel
function checkmouse:TWindow; // check and react to mouse events
procedure resize(nwl,nwh:integer); // resize the canvas
procedure select; // select the window and place it on top
// graphic methods
procedure cls(c:integer); // clear window and fill with color
procedure putpixel(ax,ay,color:integer); inline; // put a pixel to window
function getpixel(ax,ay:integer):integer; inline; // get a pixel from window
procedure putchar(ax,ay:integer;ch:char;col:integer); // put a 8x16 char on window
procedure putchar8(ax,ay:integer;ch:char;col:integer); // put a 8x16 char on window
procedure putcharz(ax,ay:integer;ch:char;col,xz,yz:integer); // put a zoomed char, xz,yz - zoom
procedure outtextxy8(ax,ay:integer; t:string;c:integer); // output a string from x,y position
procedure outtextxy(ax,ay:integer; t:string;c:integer); // output a string from x,y position
procedure outtextxyz(ax,ay:integer; t:string;c,xz,yz:integer); // output a zoomed string
procedure box(ax,ay,al,ah,c:integer); // draw a filled box
procedure print(line:string); // print a string at the text cursor
procedure println(line:string); // print a string and add a new line
procedure scrollup;
// TODO: add the rest of graphic procedures from retromalina unit
end;
type TWindow32=class(TObject)
handle:TWindow32;
prev,next:TWindow32; // 2-way list
x,y:integer; // position on screen
l,h:integer; // dmensions on screen
vx,vy:integer; // visible upper left
vcl,vch:integer; // virtual canvas dimensions
vcx,vcy:integer; // virtual canvas x,y
mx,my,mk:integer; // mouse events
wl,wh:integer; // windows l,h
tcx,tcy:integer; // text cursor
bg:integer; // background color
tc:integer; // text color
canvas:pointer; // graphic memory
decoration:TDecoration; // the decoration or nil if none
visible:boolean; // visible or hidden
resizable:boolean; // if true windows not resizable
movable:boolean; // if true windows not movable by mouse
redraw:boolean; // set true by redrawing process after redraw
active:boolean; // if false, window doesn't need redrawing
title:string; // window title
buttons:TWidget; // widget chain start
icons:TIcon;
menu:TMenu;
statusbar:TStatusbar;
mstate:integer; // mouse position state
dclick:boolean;
needclose:boolean;
activey:integer;
selected:boolean;
virtualcanvas:boolean;
a32bit:boolean;
// The constructor. al, ah - graphic canvas dimensions
// atitle - title to set, if '' then windows will have no decoration
constructor create (al,ah:integer; atitle:string);
destructor destroy; override;
procedure draw(dest:integer); // redraw a window
procedure move(ax,ay,al,ah,avx,avy:integer); // move and resize. ax,ay - position on screen
// al, ah - visible dimensions without decoration
// avy, avy - upper left visible canvas pixel
function checkmouse:TWindow; // check and react to mouse events
procedure resize(nwl,nwh:integer); // resize the canvas
procedure select; // select the window and place it on top
// graphic methods
procedure cls(c:integer); // clear window and fill with color
procedure putpixel(ax,ay,color:integer); inline; // put a pixel to window
function getpixel(ax,ay:integer):integer; inline; // get a pixel from window
procedure putchar(ax,ay:integer;ch:char;col:integer); // put a 8x16 char on window
procedure putchar8(ax,ay:integer;ch:char;col:integer); // put a 8x16 char on window
procedure putcharz(ax,ay:integer;ch:char;col,xz,yz:integer); // put a zoomed char, xz,yz - zoom
procedure outtextxy8(ax,ay:integer; t:string;c:integer); // output a string from x,y position
procedure outtextxy(ax,ay:integer; t:string;c:integer); // output a string from x,y position
procedure outtextxyz(ax,ay:integer; t:string;c,xz,yz:integer); // output a zoomed string
procedure box(ax,ay,al,ah,c:integer); // draw a filled box
procedure print(line:string); // print a string at the text cursor
procedure println(line:string); // print a string and add a new line
// TODO: add the rest of graphic procedures from retromalina unit
end;
//------------------------------------------------------------------------------
// Panel. A special window displayed at the bottom of the screen.
// A place for start button, minimized windows, speedbuttons etc
// Always on top
//------------------------------------------------------------------------------
Tpanel=class(TWindow)
constructor create;
end;
//------------------------------------------------------------------------------
// File selector. A window with methods for directory display and file select.
//------------------------------------------------------------------------------
type Tfileselector=class(Twindow)
done:boolean;
currentdir:string;
currentdir2:string;
filename:string;
sr:TSearchRec;
s:string;
filenames:array[0..1000,0..2] of string;
ilf,ild:integer;
sel:integer;
selstart:integer;
drivetable:array['A'..'Z'] of boolean;
dir:string;
constructor create(adir:string);
procedure dirlist;
procedure sort;
procedure checkselected;
procedure selectnext;
// TODO: remove the mess. Add "Selectnext" method
end;
//------------------------------------------------------------------------------
// Window decoration
//------------------------------------------------------------------------------
type TDecoration=class(TObject)
title:pointer;
parent:TWindow;
hscroll,vscroll,menu,status,up,down,close:boolean;
leftc,rightc,upc,downc:pointer;
ll,lh,rl,rh,ul,uh,dl,dh:integer;
constructor create;
destructor destroy;
procedure draw;
end;
type TWidget=class(TObject)
next,prev:TWidget;
granny:TWindow;
procedure draw;
procedure checkall;
procedure setparent(parent:TWidget);
procedure setdesc(desc:TWidget);
function gofirst:TWidget;
end;
//------------------------------------------------------------------------------
// Button
//------------------------------------------------------------------------------
type TButton=class(TWidget)
x,y:integer; // upper left pixel position on window
l,h:integer; // dimensions
c1,c2:integer; // basic background color, text color
clicked:integer; // mouse event
s:string; // title
fsx,fsy:integer; // font size x,y
value:integer;
canvas:pointer;
visible,highlighted,selected,radiobutton,selectable,down:boolean;
radiogroup:integer;
constructor create(ax,ay,al,ah,ac1,ac2:integer;aname:string;g:TWindow);
destructor destroy; override;
function append(ax,ay,al,ah,ac1,ac2:integer;aname:string):TButton;
function checkmouse:boolean;
procedure highlight;
procedure unhighlight;
procedure show;
procedure hide;
procedure select;
procedure unselect;
procedure draw;
function findselected:TButton;
procedure setvalue(v:integer);
procedure checkall;
procedure box(ax,ay,al,ah,c:integer);
end;
type TIcon=class(TObject)
x,y,l,h:integer;
mx,my:integer;
size:integer;
title:string;
granny:TWindow;
g2:TMenuItem;
icon16:TIcon16;
icon32:TIcon32;
icon48:TIcon48;
highlighted:boolean;
bg:array[0..12287] of byte;
next,prev:TIcon;
clicked,dblclicked:boolean;
onclick:procedure;
ondblclick:procedure;
constructor create(atitle:string;g:TWindow);
procedure draw;
procedure move(ax,ay:integer);
function append(atitle:string):TIcon;
function checkmouse:boolean;
procedure highlight;
procedure unhighlight;
procedure arrange;
procedure checkall;
procedure LoadICONFromFile (fn : string); // added pjde
procedure LoadICONFromStream (s : TStream); // added pjde
end;
//
type TMenuItem=class(TObject)
title:string;
icon:TIcon;
next,prev,sub:TMenuItem;
x,y,l:integer;
level:integer;
visible:boolean;
selected:boolean;
highlighted:boolean;
clicked:boolean;
horizontal:boolean;
granny:TWindow;
constructor create(atitle:string; w:twindow);
function append(atitle:string):TMenuItem;
function addsub(atitle:string):TMenuItem;
procedure draw(dest:integer);
function checkmouse:boolean;
end;
TMenu=class (TObject)
item:TMenuItem;
granny:TWindow;
horizontal:boolean;
constructor create(g:TWindow);
function append(atitle:string):TMenuItem;
procedure checkall(dest:integer);
end;
TStatusBar=class (TObject)
height:integer;
canvas:pointer;
end;
type PRectangle=^TRectangle;
trectangle=record
x1,y1,x2,y2,handle:integer;
next,prev:PRectangle
end;
var background:TWindow=nil; // A mother of all windows except the panel
background32:TWindow32=nil; // 32bit version
panel:TPanel=nil; // The panel
vertex:array[0..1023,0..2] of integer; // x, y, handle
rectangles:array[0..4096,0..4] of integer; //x, y, l, h, handle
xtable, ytable:array[0..63] of integer;
lastchecked:TWindow;
Arectangle:TRectangle;
// Theme colors.
activecolor:integer=120;
inactivecolor:integer=13;
activetextcolor:integer=15;
inactivetextcolor:integer=0;
borderwidth:integer=6;
scrollwidth:integer=16;
borderdelta:integer=2;
scrollcolor:integer=12;
activescrollcolor:integer=124;
titleheight:integer=24;
menuheight:integer=24;
menucolor:integer=142;
// A temporary icon. TODO: Icon class and methods
icon:array[0..15,0..15] of byte;
semaphore:boolean=false;
//------------------------------------------------------------------------------
// Helper procedures
//------------------------------------------------------------------------------
procedure gouttextxy(g:pointer;x,y:integer; t:string;c:integer);
procedure gputpixel(g:pointer; x,y,color:integer); inline;
procedure gpouttextxy(g:pointer;x,y:integer; t:string;c,pitch:integer);
procedure gpputpixel(g:pointer; x,y,color,pitch:integer); inline;
procedure makeicon;
procedure getrectanglelist;
var mousedebugwindow:TWindow=nil;
implementation
uses FPImage, FPReadPNG, // added pjde
blitter;
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// Main window thread
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
constructor TWindows.Create(CreateSuspended : boolean);
begin
FreeOnTerminate := True;
inherited Create(CreateSuspended);
end;
procedure TWindows.Execute;
var scr2,scr:integer;
wh:TWindow;
t:int64;
q:integer=0;
const dblinvalid=0;
begin
Arectangle.handle:=-1;
q:=0;
scr:=mainscreen+$800000;
ThreadSetAffinity(ThreadGetCurrent,2);
ThreadSetpriority(ThreadGetCurrent,4);
threadsleep(1);
cls(100);
repeat
inc(q);
// getrectanglelist;
t:=gettime;
lastchecked:=background.checkmouse;
getrectanglelist;
windowsdone:=false;
wh:=background;
repeat
// if scr=mainscreen+$800000 then scr2:=integer(p2) else scr2:=integer(p2+(xres+64)*(yres));
wh.draw(scr) ;
wh:=wh.next;
until wh=nil;
panel.draw(scr);
windowsdone:=true;
wt:=gettime-t;
repeat threadsleep(1) until screenaddr<>scr;
scr:=screenaddr;
until terminated;
end;
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// Window methods
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// TWindow constructor.
// Parameters:
// wl: window canvas length
// wh: window canvas height (the canvas can be resized later)
// title - if empt, windows will have no decoration
//------------------------------------------------------------------------------
constructor TWindow.create (al,ah:integer; atitle:string);
var who:TWindow;
i,j:integer;
begin
inherited create;
semaphore:=true;
mstate:=0;
dclick:=false;
needclose:=false;
if background<>nil then // there ia s background so create a normal window
begin
who:=background;
while who.next<>nil do who:=who.next;
makeicon; // Temporary icon, todo: icon class
handle:=self;
x:=0; // initialize the fields
y:=0;
mx:=-1;
my:=-1;
mk:=0;
vx:=0;
vy:=0;
vcx:=0;
vcy:=0;
l:=0;
h:=0;
bg:=0;
wl:=al;
wh:=ah;
vcl:=0;
vch:=0;
tcx:=0;
tcy:=0;
tc:=15;
virtualcanvas:=false;
buttons:=nil;
icons:=nil;
next:=nil;
visible:=false;
resizable:=true;
prev:=who;
canvas:=getmem(wl*wh); // get a memory for graphics. 8-bit only in this version
for i:=0 to wl*wh-1 do poke(cardinal(canvas)+i,0); // clear the graphic memory
title:=atitle;
if atitle<>'' then // create a decoration
begin
decoration:=TDecoration.create;
decoration.title:=getmem(wl*titleheight);
decoration.hscroll:=true;
decoration.vscroll:=true;
decoration.up:=true;
decoration.down:=true;
decoration.close:=true;
activey:=0;
end
else begin decoration:=nil; activey:=24; end;
who.next:=self;
end
else // no background, create one
begin
handle:=self;
prev:=nil;
next:=nil;
x:=0;
y:=0; // position on screen
l:=al;
h:=ah; // dimensions on screen
vx:=0;
vy:=0; // visible upper left
vcx:=0;
vcy:=0;
wl:=al;
wh:=ah; // windows l,h
vcl:=0;
vch:=0;
virtualcanvas:=false;
bg:=132; // todo: get color from a theme
buttons:=nil;
icons:=nil;
canvas:=pointer(backgroundaddr); // graphic memory address
// The window manager works at the top
// of the retromachine. The background window
// replaces the retromachine background with
// graphic memory a the same address, so
// non-windowed retromachine programs will not
// notice any difference when running on
// the window manager
decoration:=nil; //+48
visible:=true;
redraw:=true;
mx:=-1;
my:=-1;
decoration:=nil;
title:='';
end;
selected:=true;
semaphore:=false;
//moved:=0;
end;
//------------------------------------------------------------------------------
// TWindow destructor
//------------------------------------------------------------------------------
destructor TWindow.destroy;
var i,j:integer;
begin
visible:=false;
prev.next:=next;
if next<>nil then next.prev:=prev;
if canvas<>nil then freemem(canvas);
if decoration<>nil then
begin
decoration.destroy
end;
end;
//------------------------------------------------------------------------------
// TWindow draw method
// Draw a window on compositing canvas
// dest - address of the canvas
//------------------------------------------------------------------------------
procedure TWindow.draw(dest:integer);
var dt,dg,dh,dx,dy,dx2,dy2,dl,dsh,dsv,i,j,c,ct,a,dm:integer;
dxr,dyr:integer;
wt1:int64;
q1,q2,q3:integer;
hsw,vsh,hsp,vsp:integer;
rectangle:PRectangle;
begin
redraw:=false; // tell the other procedures that the drawing is on its way
if decoration=nil then // adjust window dimensions
begin
dg:=0;
dh:=0;
dt:=0;
dl:=0;
dsh:=0;
dsv:=0;
hsw:=0;
vsh:=0;
hsp:=0;
vsp:=0;
end
else
begin
dt:=titleheight;
dl:=borderwidth;
dg:=borderwidth;
dh:=borderwidth;
if decoration.hscroll then dsh:=scrollwidth else dsh:=0;
if decoration.vscroll then dsv:=scrollwidth else dsv:=0;
if decoration.menu then dm:=menuheight else dm:=0;
if not virtualcanvas then
begin
hsw:=round((l/wl)*l); if hsw<11 then hsw:=10;
vsh:=round((h/wh)*h); if vsh<11 then vsh:=10;
hsp:=round((vx/(wl-l))*(l-hsw));
vsp:=round((vy/(wh-h))*(h-vsh));
end
else
begin
hsw:=round((l/vcl)*l); if hsw<11 then hsw:=10;
vsh:=round((h/vch)*h); if vsh<11 then vsh:=10;
hsp:=round((vcx/(vcl-l))*(l-hsw));
vsp:=round((vcy/(vch-h))*(h-vsh));
end;
end;
//if self=background then begin fastmove(mainscreen,dest,xres*yres); end
//else
begin
if buttons<>nil then buttons.draw; // update the wigdets
// instead of full window, draw rectangles
if self is tpanel then blit8(integer(canvas),vx,vy,dest,x,y,l,h,wl,xres)
else begin
rectangle:=@arectangle;
repeat
// wt1:=gettime;
repeat rectangle:=rectangle^.next until (rectangle^.handle=integer(self.handle)) or (rectangle^.next=nil);
// wt1:=gettime-wt1;
// retromalina.box(0,0,100,32,0);retromalina.outtextxy(0,0,inttostr(wt1),15);
if rectangle^.handle=integer(self.handle) then
begin
dxr:=rectangle^.x1-x; // todo if dxr<0, correct the rectangle
dyr:=rectangle^.y1-y;
blit8(integer(canvas),vx+dxr,vy+dyr,dest,rectangle^.x1,rectangle^.y1, rectangle^.x2-rectangle^.x1+1,rectangle^.y2-rectangle^.y1+1,wl,xres);
end;
until rectangle^.next=nil;
end;
// blit8(integer(canvas),vx,vy,dest,x,y,l,h,wl,xres); // then blit the window to the canvas
if next<>nil then // and draw the decoration
begin
selected:=false;
c:=inactivecolor;
ct:=inactivetextcolor;
a:=0;
end
else
begin
selected:=true;
c:=activecolor;
ct:=activetextcolor;
a:=32
end;
if decoration<>nil then
begin
if (mousex>(x+l+dsv-60)) and (mousey>(y-titleheight-dm+4)) and (mousex<(x+l+dsv-44)) and (mousey<(y-4)-dm) then q1:=122 else q1:=0;
if (mousex>(x+l+dsv-40)) and (mousey>(y-titleheight-dm+4)) and (mousex<(x+l+dsv-24)) and (mousey<(y-4-dm)) then q2:=122 else q2:=0;
if (mousex>(x+l+dsv-20)) and (mousey>(y-titleheight-dm+4)) and (mousex<(x+l+dsv-4)) and (mousey<(y-4-dm)) then begin q3:=32; a:=32; end else q3:=0;
if selected and (mx>(l+dsv-20)) and (my>(-titleheight-dm+4)) and (mx<(l+dsv-4)) and (my<(-4-dm)) and (mousek=1) then needclose:=true;
fill2d(dest,x-dl,y-dt-dm-dl,l+dl+dsv,dl,xres,c+borderdelta); //upper border
fill2d(dest,x-dl,y-dt-dm,l+dl+dsv,dt,xres,c); //title bar
fill2d(dest,x-dl,y-dm,l+dl+dsv,dm,xres,menucolor); //menu
if (decoration.menu) and (menu<>nil) then menu.checkall(dest);
fill2d(dest,x-dl,y-dt-dl-dm,dl,h+dt+dl+dsh+dh+dm,xres,c+borderdelta); //left border
fill2d(dest,x-dl,y+h+dsh,l+dl+dg+dsv,dh,xres,c+borderdelta); //lower border
fill2d(dest,x+l+dsv,y-dt-dl-dm,dg,h+dt+dl+dsh+dl+dm,xres,c+borderdelta);//right border
fill2d(dest,x,y+h,l,dsh,xres,scrollcolor); //horizontal scroll bar
fill2d(dest,x+3+hsp,y+h+3,hsw-6,dsh-6,xres,activescrollcolor); //horizontal scroll bar active part
fill2d(dest,x+l,y,dsv,h,xres,scrollcolor); //vertical scroll bar
fill2d(dest,x+l+3,y+3+vsp,dsv-6,vsh-6,xres,activescrollcolor); //vertical scroll bar active part
fill2d(dest,x+l,y+h,dsv,dsh,xres,c); //down right corner
gouttextxy(pointer(dest),x+32,y-titleheight-dm+4,title,ct);
for i:=0 to 15 do for j:=0 to 15 do if down_icon[i+16*j]>0 then gputpixel(pointer(dest),x+l+dsv-60+i,y-titleheight-dm+4+j,down_icon[i+16*j]);
if q1<>0 then
for i:=0 to 15 do
for j:=0 to 15 do
if down_icon[i+16*j]>0 then gputpixel(pointer(dest),x+l+dsv-60+i,y-titleheight-dm+4+j,down_icon[i+16*j])
else gputpixel(pointer(dest),x+l+dsv-60+i,y-titleheight-dm+4+j,q1);
if q2<>0 then
for i:=0 to 15 do
for j:=0 to 15 do
if up_icon[i+16*j]>0 then gputpixel(pointer(dest),x+l+dsv-40+i,y-titleheight-dm+4+j,up_icon[i+16*j])
else gputpixel(pointer(dest),x+l+dsv-40+i,y-titleheight-dm+4+j,q2)
else for i:=0 to 15 do for j:=0 to 15 do if up_icon[i+16*j]>0 then gputpixel(pointer(dest),x+l+dsv-40+i,y-titleheight-dm+4+j,up_icon[i+16*j]);
for i:=0 to 15 do for j:=0 to 15 do if close_icon[i+16*j]>0 then gputpixel(pointer(dest),x+l+dsv-20+i,y-titleheight-dm+4+j,a+q3+close_icon[i+16*j]);
for i:=0 to 15 do for j:=0 to 15 do if icon[i,j]>0 then gputpixel(pointer(dest),x+4+i,y-titleheight-dm+4+j,icon[i,j]);
end;
end;
redraw:=true;
wt1:=gettime-wt;
end;
//------------------------------------------------------------------------------
// TWindow move method
// move and resize the window
// ax,ay - new position on screen if >-2048
// al,ah - new visible dimensions without decoration if >0
// avy,avy - new upper left visible canvas pixel if >-1
//------------------------------------------------------------------------------
procedure TWindow.move(ax,ay,al,ah,avx,avy:integer);
var q:integer;
begin
if ay>yres-25 then ay:=yres-25;
if al>0 then begin l:=al; end; // now set new window parameters
if ah>0 then begin h:=ah; end;
q:=8*length(title)+96;
if (decoration<>nil) and (al>0) and (al<q) then l:=q;
if (ah>0) and (ah<64) then h:=64;
if al>wl then l:=wl;
if ah>wh then h:=wh;
if ax>-2048 then begin x:=ax; end;
if ay>-2048 then begin y:=ay; end;
if avx>-1 then vx:=avx;
if avy>-1 then vy:=avy;
end;
//------------------------------------------------------------------------------
// Twindow checkmouse function
// This function should be called every vblank for the background window
// Called for any window returns the window handler for the window on which
// there is the mouse cursor and reacts to events:
// by selecting, resizing or moving the clicked window
//------------------------------------------------------------------------------
function TWindow.checkmouse:TWindow;
label p999;
var window:TWindow;
mmx,mmy,mmk,mmw,dt,dg,dh,dl,dsh,dsv,dm:integer;
i,j,x1,y1,x2,y2,q,q2,sy2,vcount,rcount:integer;
ttttt:int64;
rect,r2:PRectangle;
const state:integer=0;
deltax:integer=0;
deltay:integer=0;
sx:integer=0;
sy:integer=0;
hsw:integer=0;
vsp:integer=0;
vsh:integer=0;
hsp:integer=0;
oldhsp:integer=0;
oldvsp:integer=0;
qqqqq:integer=0;
begin
result:=background;
mmx:=mousex;
mmy:=mousey;
mmk:=mousek;
mmw:=mousewheel;
if mmk=0 then
begin
state:=6;
window:=background;
while (window.next<>nil) do begin window.mk:=0; window:=window.next; end;
end;
// if mouse key pressed and there is a window set to move, move it
if mmk=1 then // find a window with mk=1
begin
window:=background;
while (window.next<>nil) and (window.mk<>1) do window:=window.next;
if window.mk=1 then
begin
if state=0 then window.move(mmx-window.mx,mmy-window.my,0,0,-1,-1)
else if state=1 then
begin
q:=mmx-window.x+deltax;
if q+window.vx>window.wl then begin window.vx:=window.wl-q; if window.vx<0 then begin window.vx:=0; q:=window.wl; end; end;
window.move(window.x,window.y, q ,window.h,-1,-1)
end
else if state=2 then
begin
q:=mmy-window.y+deltay;
if q+window.vy>window.wh then begin window.vy:=window.wh-q; if window.vy<0 then begin window.vy:=0; q:=window.wh; end; end;
window.move(window.x,window.y, window.l, q,-1,-1)
end
else if state=3 then
begin
q:=mmx-window.x+deltax;
if q+window.vx>window.wl then begin window.vx:=window.wl-q; if window.vx<0 then begin window.vx:=0; q:=window.wl; end; end;
q2:=mmy-window.y+deltay;
if q2+window.vy>window.wh then begin window.vy:=window.wh-q2; if window.vy<0 then begin window.vy:=0; q2:=window.wh; end; end;
window.move(window.x,window.y, q ,q2, -1, -1)
end
else if state=4 then
begin
if not window.virtualcanvas then
begin
q:=round((mmy-window.y-sy)*(window.wh-window.h)/(window.h-vsh));
if q<0 then q:=0;
if q>window.wh-window.h then q:=window.wh-window.h;
window.move(window.x,window.y,0,0,-1,q);
end
else
begin
q:=round((mmy-window.y-sy)*(window.vch-window.h)/(window.h-vsh));
if q<0 then q:=0;
if q>window.vch-window.h then q:=window.vch-window.h;
window.vcy:=q;
end;
end
else if state=5 then
begin
if not window.virtualcanvas then
begin
q:=round((mmx-window.x-sx)*(window.wl-window.l)/(window.l-hsw));
if q<0 then q:=0;
if q>window.wl-window.l then q:=window.wl-window.l;
window.move(window.x,window.y,0,0,q,-1);
end
else
begin
q:=round((mmx-window.x-sx)*(window.vcl-window.l)/(window.l-hsw));
if q<0 then q:=0;
if q>window.vcl-window.l then q:=window.vcl-window.l;
window.vcx:=q;
end;
end;
result:=window;
// getrectanglelist;
goto p999;
end;
end;
// we are here if mousekey=0 or there is no windows to move
window:=background;
while window.next<>nil do window:=window.next;
if window.decoration=nil then
begin
dg:=0;
dh:=0;
dt:=0;
dl:=0;
dsh:=0;
dsv:=0;
dm:=0;
end
else
begin
dt:=titleheight;
dl:=borderwidth;
dg:=borderwidth;
dh:=borderwidth;
if window.decoration.menu then dm:=menuheight else dm:=0;
if window.decoration.hscroll then dsh:=scrollwidth else dsh:=0;
if window.decoration.vscroll then dsv:=scrollwidth else dsv:=0;
end;
// go back with windows chain until you found the window on which there is the mouse cursor
while ((mmx<window.x-dg) or (mmx>window.x+window.l+dg+dsv) or (mmy<window.y-dt-dg-dm) or (mmy>window.y+window.h+dh+dsh)) and (window.prev<>nil) do
begin
window.mx:=-1;
window.my:=-1;
window.mk:=-1;
window:=window.prev;
if window.decoration=nil then
begin
dg:=0;
dh:=0;
dt:=0;
dl:=0;
dsh:=0;
dsv:=0;
dm:=0;
end
else
begin
dt:= titleheight;
dl:=borderwidth;
dg:=borderwidth;
dh:=borderwidth;
if window.decoration.menu then dm:=menuheight else dm:=0;
if window.decoration.hscroll then dsh:=scrollwidth else dsh:=0;
if window.decoration.vscroll then dsv:=scrollwidth else dsv:=0;
end
end;
result:=window;
// todo: HERE::::: check all widgets on this window !!!
if window.buttons<> nil then window.buttons.checkall;
// now, here no windows to move and window=window to select
// if the window is not selected, select it
if (mmk=1) and (window.mk=0) then
if semaphore=false then window.select;
//and set mouse correction amount
window.mx:=mmx-window.x;
window.my:=mmy-window.y;
window.mk:=mmk;
if not window.virtualcanvas then
begin
hsw:=round((window.l/window.wl)*window.l); if hsw<11 then hsw:=10;
vsh:=round((window.h/window.wh)*window.h); if vsh<11 then vsh:=10;