kolibrios/kernel/trunk/gui/event.inc

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sys_getevent:
call get_event_for_app
mov [esp+36],eax
ret
align 4
sys_wait_event_timeout:
mov ebx,[timer_ticks];[0xfdf0]
add ebx,eax
cmp ebx,[timer_ticks];[0xfdf0]
jna .swfet2
.swfet1:
call get_event_for_app
test eax,eax
jne .eventoccur_time
call change_task
cmp ebx,[timer_ticks];[0xfdf0]
jg .swfet1
.swfet2:
xor eax,eax
.eventoccur_time:
mov [esp+36],eax
ret
align 4
sys_waitforevent:
call get_event_for_app
test eax,eax
jne eventoccur
newwait:
call change_task
call get_event_for_app
test eax,eax
je newwait
eventoccur:
mov [esp+36],eax
ret
get_event_for_app:
pushad
mov edi,[0x3010] ; WINDOW REDRAW
test [edi],dword 1
jz no_eventoccur1
mov edi,[0x3010]
cmp [edi-twdw+31],byte 0
je no_eventoccur1
popad
mov eax,1
ret
no_eventoccur1:
mov edi,[0x3010] ; KEY IN BUFFER
test [edi],dword 2
jz no_eventoccur2
mov ecx, [0x3000]
movzx edx,word [0xC000+ecx*2]
mov eax, [0x3004]
cmp eax,edx
jne no_eventoccur2
cmp [0xf400],byte 0
je no_eventoccur2
popad
mov eax,2
ret
no_eventoccur2:
mov edi,[0x3010] ; BUTTON IN BUFFER
test [edi],dword 4
jz no_eventoccur3
mov ecx, [0x3000]
movzx edx, word [0xC000+ecx*2]
mov eax, [0x3004]
cmp eax,edx
jnz no_eventoccur3
cmp [0xf500],byte 0
je no_eventoccur3
popad
mov eax,[0xf501]
cmp eax,65535
je no_event_1
mov eax,3
ret
no_event_1:
mov [window_minimize],1
mov [0xf500],byte 0
xor eax, eax
ret
no_eventoccur3:
mov edi,[0x3010] ; DESKTOP BACKGROUND REDRAW
test [edi],dword 16
jz no_eventoccur5
cmp [0xfff0],byte 2
jnz no_eventoccur5
popad
mov eax,5
ret
no_eventoccur5:
mov edi,[0x3010] ; mouse event
test [edi],dword 00100000b
jz no_mouse_event
mov edi,[0x3000]
shl edi,8
test [edi+0x80000+0xA8],dword 00100000b
jz no_mouse_event
and [edi+0x80000+0xA8],dword 0xffffffff-00100000b
popad
mov eax,6
ret
no_mouse_event:
mov edi,[0x3010] ; IPC
test [edi],dword 01000000b
jz no_ipc
mov edi,[0x3000]
shl edi,8
test [edi+0x80000+0xA8],dword 01000000b
jz no_ipc
and [edi+0x80000+0xA8],dword 0xffffffff-01000000b
popad
mov eax,7
ret
no_ipc:
mov edi,[0x3010] ; STACK
test [edi],dword 10000000b
jz no_stack_event
mov edi,[0x3000]
shl edi,8
test [edi+0x80000+0xA8],dword 10000000b
jz no_stack_event
and [edi+0x80000+0xA8],dword 0xffffffff-10000000b
popad
mov eax,7
ret
no_stack_event:
mov esi,0x2e0000 ; IRQ'S AND DATA
mov ebx,0x00010000
xor ecx, ecx
irq_event_test:
mov edi,[0x3010]
test [edi],ebx
jz no_irq_event
mov edi,ecx
shl edi,2
add edi,irq_owner
mov edx,[edi]
mov eax,[0x3010]
mov eax,[eax+0x4]
cmp edx,eax
jne no_irq_event
cmp [esi],dword 0
jz no_irq_event
mov eax,ecx
add eax,16
mov [esp+28],eax
popad
ret
no_irq_event:
add esi,0x1000
shl ebx,1
inc ecx
cmp ecx,16
jb irq_event_test
popad
xor eax, eax
ret