KolibriOS/kolibrios
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kolibrios/kernel/trunk/gui/button.inc
Mihail Semenyako (mike.dld) 47d7819f9a Fixes to skin drawing code, in case default.skn wasn't loaded on OS startup 
Prevent creation of buttons with negative or zero width/height

git-svn-id: svn://kolibrios.org@54 a494cfbc-eb01-0410-851d-a64ba20cac60
2006-03-04 17:44:44 +00:00

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max_buttons=4095
dececx:
push edx
push ecx
mov edx,2
.loop:
cmp byte [esp+edx],0x20
jae @f
mov [esp+edx],byte 0x20
@@:
sub [esp+edx],byte 0x20
dec edx
jns .loop
pop ecx
pop edx
ret
incecx:
push edx
push ecx
mov edx,2
.loop:
cmp byte [esp+edx],0xdf
jbe @f
mov [esp+edx],byte 0xdf
@@:
add [esp+edx],byte 0x20
dec edx
jns .loop
pop ecx
pop edx
ret
incecx2:
push edx
push ecx
mov edx,2
.loop:
cmp byte [esp+edx],0xeb
jbe @f
mov [esp+edx],byte 0xeb
@@:
add [esp+edx],byte 0x14
dec edx
jns .loop
pop ecx
pop edx
ret
drawbuttonframes:
push esi
push edi
push eax
push ebx
push ecx
push edx
shr eax,16
shr ebx,16
mov edx,[0x3010]
add eax,[edx-twdw]
add ebx,[edx-twdw+4]
mov cx,ax
mov dx,bx
shl eax,16
shl ebx,16
mov ax,cx
mov bx,dx
add ax,word [esp+12]
mov esi,ebx
mov edi,0
mov ecx,[esp+0]
call incecx
call [draw_line]
movzx edx,word [esp+8]
add ebx,edx
shl edx,16
add ebx,edx
mov ecx,[esp+0]
call dececx
call [draw_line]
mov ebx,esi
push edx
mov edx,eax
shr edx,16
mov ax,dx
mov edx,ebx
shr edx,16
mov bx,dx
mov dx,[esp+8+4]
add bx,dx
pop edx
mov edi,0
mov ecx,[esp+0]
call incecx
call [draw_line]
mov esi,edx
mov dx,[esp+12]
add ax,dx
shl edx,16
add eax,edx
add ebx,1*65536
mov edx,esi
mov ecx,[esp+0]
call dececx
call [draw_line]
pop edx
pop ecx
pop ebx
pop eax
pop edi
pop esi
ret
button_dececx:
cmp [buttontype],dword 1
jne .finish
; je bdece
; ret
; bdece:
push eax
mov eax,0x01
cmp edi,20
jg @f
mov eax,0x02
@@:
test ecx,0xff
jz @f
sub ecx,eax
@@:
shl eax,8
test ecx,0xff00
jz @f
sub ecx,eax
@@:
shl eax,8
test ecx,0xff0000
jz @f
sub ecx,eax
@@:
pop eax
.finish:
ret
sys_button:
test ecx,0x80000000
jnz remove_button
push esi
push edi
push eax
push ebx
push ecx
push edx
or ax,ax
jle noaddbutt
or bx,bx
jle noaddbutt
test ecx,0x40000000
jnz button_no_draw
pushad ; button body
push ebx
shr eax,16
shr ebx,16
mov edx,[0x3010]
mov esi,[edx-twdw]
mov edi,[edx-twdw+4]
add eax,esi
add ebx,edi
mov cx,ax
mov dx,bx
shl eax,16
shl ebx,16
mov ax,cx
mov bx,dx
movzx ecx,word [4+32+esp+12]
add eax,ecx
mov ecx,[4+32+esp+0]
cmp [buttontype],dword 0
je @f
call incecx2
@@:
movzx edi,word [esp]
; <Ivan Poddubny 15.08.2004>
pop edx
and edx, 0xFFFF
;;cli
.newline:
call button_dececx
push edi
xor edi, edi
call [draw_line]
pop edi
add ebx,1*65536+1 ; [ y start | y end ]
dec edx
jnz .newline
;;sti
;; pop ebx
; </Ivan Poddubny 15.08.2004>
popad
call drawbuttonframes
button_no_draw:
and ecx,0xffff
mov edi,[0x3010]
sub edi,twdw
mov edi,[0xfe88]
movzx eax,word [edi]
cmp eax,max_buttons
jge noaddbutt
inc eax
mov [edi],ax
shl eax,4
add eax,edi
mov bx,[0x3000]
mov [eax],bx
add eax,2 ; save button id number
mov ebx,[esp+4]
mov [eax],bx ; bits 0-15
shr ebx,16
mov [eax-2+0xc],bx; bits 16-31
add eax,2 ; x start
mov bx,[esp+12+2]
mov [eax],bx
add eax,2 ; x size
mov bx,[esp+12+0]
mov [eax],bx
add eax,2 ; y start
mov bx,[esp+8+2]
mov [eax],bx
add eax,2 ; y size
mov bx,[esp+8+0]
mov [eax],bx
noaddbutt:
pop edx
pop ecx
pop ebx
pop eax
pop edi
pop esi
ret
remove_button:
and ecx,0x7fffffff
rnewba2:
mov edi,[0xfe88]
mov eax,edi
movzx ebx,word [edi]
inc bx
rnewba:
dec bx
jz rnmba
add eax,0x10
mov dx,[0x3000]
cmp dx,[eax]
jnz rnewba
cmp cx,[eax+2]
jnz rnewba
pushad
mov ecx,ebx
inc ecx
shl ecx,4
mov ebx,eax
add eax,0x10
call memmove
dec dword [edi]
popad
jmp rnewba2
rnmba:
ret
find_pressed_button_frames:
pushad
movzx ebx,word [eax+0]
shl ebx,5
add ebx,window_data
movzx ecx,word [ebx+0] ; window x start
movzx edx,word [eax+4] ; button x start
add ecx,edx
push ecx
mov dx,[eax+6] ; button x size
add cx,dx
mov esi,ecx
inc esi
mov cx,[ebx+4] ; window y start
mov dx,[eax+8] ; button y start
add ecx,edx
mov ebx,ecx
mov dx,[eax+10] ; button y size
add dx,cx
inc dx
pop eax
; eax x beginning
; ebx y beginning
; esi x end
; edx y end
; ecx color
mov [pressed_button_eax],eax
mov [pressed_button_ebx],ebx
mov [pressed_button_ecx],ecx
mov [pressed_button_edx],edx
mov [pressed_button_esi],esi
popad
ret
uglobal
pressed_button_eax dd 0
pressed_button_ebx dd 0
pressed_button_ecx dd 0
pressed_button_edx dd 0
pressed_button_esi dd 0
endg
; negative button image
negativebutton:
; If requested, do not display button
; boarder on press.
test ebx,0x20000000
jz draw_negative_button
ret
draw_negative_button:
pushad
mov eax,[pressed_button_eax]
mov ebx,[pressed_button_ebx]
mov ecx,[pressed_button_ecx]
mov edx,[pressed_button_edx]
mov esi,[pressed_button_esi]
mov ecx,0x01000000
dec edx
push edx
inc edx
dec esi
push esi
inc esi
push eax
push ebx
push ecx
push edx
push edi
call [disable_mouse]
bdbnewline:
mov edi,1 ; force
cmp eax,[esp+16]
jz bneg
cmp eax,[esp+20]
jz bneg
cmp ebx,[esp+12]
jz bneg
cmp ebx,[esp+24]
jnz nbneg
; jz bneg
; jmp nbneg
bneg:
;;;call [disable_mouse]
call [putpixel]
nbneg:
inc eax
cmp eax,esi
jnz bdbnewline
mov eax,[esp+16]
inc ebx
cmp ebx,edx
jnz bdbnewline
add esp,28
popad
ret
; check buttons
; 0000 word process number
; 0002 word button id number : bits 0-15
; 0004 word x start
; 0006 word x size
; 0008 word y start
; 000A word y size
; 000C word button id number : bits 16-31
;
; button table in 0x10 increments
;
; first at 0x10
checkbuttons:
cmp [0xfb40],byte 0 ; mouse buttons pressed
jnz @f
ret
@@:
pushad
xor esi, esi
mov edi, [0xfe88]
movzx edx, word [edi]
test edx, edx
jne @f
popad
ret
@@:
push esi
inc edx
push edx
buttonnewcheck:
pop edx
pop esi
inc esi
cmp edx,esi
jge bch
popad ; no button pressed
ret
bch:
push esi
push edx
mov eax,esi
shl eax,4
add eax,edi
;......................start 1/2 : modified by vhanla .............................
mov [buttonid],eax
;......................end 1/2 : modified by vhanla .............................
; check that button is at top of windowing stack
movzx ebx,word [eax]
movzx ecx,word [0xC000 + ebx * 2]
cmp ecx,[0x3004]
jne buttonnewcheck
; check that button start is inside window x/y end
movzx ebx,word [eax+0]
shl ebx,5
test [ebx+window_data+WDATA.fl_wstate],WSTATE_MINIMIZED
jnz buttonnewcheck
; add ebx,window_data
; mov ecx,[window_data+ebx+8] ; window end X
movzx edx,word [eax+4] ; button start X
cmp edx, [window_data+ebx+8] ;ecx
jge buttonnewcheck
; mov ecx,[window_data+ebx+12] ; window end Y
movzx edx, word [eax+8] ; button start Y
cmp edx, [window_data+ebx+12] ;ecx
jge buttonnewcheck
; check coordinates
; mouse x >= button x ?
movzx ebx,word [eax+0]
shl ebx,5
add ebx,window_data
movzx ecx,word [ebx+0] ; window x start
movzx edx,word [eax+4] ; button x start
add edx,ecx
mov cx,[0xfb0a]
cmp edx,ecx
jg buttonnewcheck
movzx ebx,word [eax+6] ; button x size
add edx,ebx
cmp ecx,edx
jg buttonnewcheck
; mouse y >= button y ?
movzx ebx,word [eax+0]
shl ebx,5
add ebx,window_data
movzx ecx,word [ebx+4] ; window y start
movzx edx,word [eax+8] ; button y start
add edx,ecx
mov cx,[0xfb0c]
cmp edx,ecx
jg buttonnewcheck
movzx ebx,word [eax+10] ; button y size
add edx,ebx
cmp ecx,edx
jg buttonnewcheck
; mouse on button
pop edx
pop esi
mov bx,[eax+0xc] ; button id : bits 16-31
shl ebx,16
mov bx,[eax+2] ; button id : bits 00-16
push ebx
mov [0xfb44],byte 1 ; no mouse down checks
call find_pressed_button_frames
call negativebutton
pushad
cbwaitmouseup:
call checkidle
call [draw_pointer]
pushad
call stack_handler
popad
cmp [0xfb40],byte 0 ; mouse buttons pressed ?
jnz cbwaitmouseup
popad
call negativebutton
mov [0xfff4],byte 0 ; no mouse background
mov [0xfff5],byte 0 ; draw mouse
;..................................... start 2/2 : modified by vhanla .............................
; check coordinates
jmp afterbuttonid
buttonid dd 0x0 ;here a will backup the eax value
afterbuttonid:
pusha
; mouse x >= button x ?
movzx ebx,word [eax+0]
shl ebx,5
add ebx,window_data
movzx ecx,word [ebx+0] ; window x start
movzx edx,word [eax+4] ; button x start
add edx,ecx
mov cx,[0xfb0a]
cmp edx,ecx
jg no_on_button ;if we release the pointer out of the button area
movzx ebx,word [eax+6] ; button x size
add edx,ebx
cmp ecx,edx
jg no_on_button
; mouse y >= button y ?
movzx ebx,word [eax+0]
shl ebx,5
add ebx,window_data
movzx ecx,word [ebx+4] ; window y start
movzx edx,word [eax+8] ; button y start
add edx,ecx
mov cx,[0xfb0c]
cmp edx,ecx
jg no_on_button
movzx ebx,word [eax+10] ; button y size
add edx,ebx
cmp ecx,edx
jg no_on_button
popa
mov [0xf500],byte 1 ; no of buttons in buffer
pop ebx
mov [0xf501],ebx ; lets put the button id in buffer
push ebx
pusha
jmp yes_on_button
no_on_button:
mov [0xf500],byte 0 ; no of buttons in buffer
yes_on_button:
mov [0xfb44],byte 0 ; mouse down -> do not draw
popa
pop ebx
popa
ret
;..................................... end 2/2 : modified by vhanla ................................
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