| 20,10 → 20,46 |
|---|
| id_hi dw ? |
| dw ? |
| ends |
| |
| ;--------------------------------------------------------------- |
| syscall_button: ;////////////// system function 8 ////////////// |
| align 4 |
| ; @brief system function 17 - Get the identifier of the pressed button |
| ; @param eax 17 - number function |
| ; @return eax = 1 - buffer empty, |
| ; eax = high 24 bits contain button identifier, |
| ; al = 0 - the button was pressed with left mouse button, |
| ; al = bit corresponding to used mouse button otherwise |
| sys_getbutton: |
| mov ebx, [current_slot_idx] ; TOP OF WINDOW STACK |
| mov [esp + SYSCALL_STACK.eax], dword 1 |
| movzx ecx, word [WIN_STACK + ebx * 2] |
| mov edx, [thread_count] ; less than 256 processes |
| cmp ecx, edx |
| jne .exit |
| movzx eax, byte [BTN_COUNT] |
| test eax, eax |
| jz .exit |
| mov eax, [BTN_BUFF] |
| and al, 0xFE ; delete left button bit |
| mov [BTN_COUNT], byte 0 |
| mov [esp + SYSCALL_STACK.eax], eax |
| ;-------------------------------------- |
| align 4 |
| .exit: |
| ret |
| ;--------------------------------------------------------------- |
| ; @brief system function 8 - define/delete the button |
| ; @param eax = 8 - number function |
| ; @param ebx = [offset_x]*65536 + [width] |
| ; @param ecx = [offset_y]*65536 + [height] |
| ; @param edx = 0xXYnnnnnn, where: |
| ; nnnnnn = identifier of the button |
| ; 31 bit - delete button |
| ; 30 bit - don't draw button |
| ; 29 bit - don't draw button frame when pressed |
| ; @param esi = 0x00RRGGBB - button color |
| ; @return function does not return value |
| syscall_button: |
| ;--------------------------------------------------------------- |
| ;? Define/undefine GUI button object |
| ;--------------------------------------------------------------- |
| ;; Define button: |