580 lines
16 KiB
PHP
580 lines
16 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
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;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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button._.MAX_BUTTONS = 4095
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;==============================================================================
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;///// public functions ///////////////////////////////////////////////////////
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;==============================================================================
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struc SYS_BUTTON
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{
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.pslot dw ?
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.id_lo dw ?
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.left dw ?
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.width dw ?
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.top dw ?
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.height dw ?
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.id_hi dw ?
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.sizeof:
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}
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virtual at 0
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SYS_BUTTON SYS_BUTTON
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end virtual
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iglobal
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mx dw 0x0 ; keeps the x mouse's position when it was clicked
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my dw 0x0 ; keeps the y mouse's position when it was clicked
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bPressedMouseXY_B db 0x0
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btn_down_determ db 0x0
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endg
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align 4
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;------------------------------------------------------------------------------
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syscall_button: ;///// system function 8 //////////////////////////////////////
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;------------------------------------------------------------------------------
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;? Define/undefine GUI button object
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;------------------------------------------------------------------------------
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;; Define button:
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;> ebx = pack[16(x), 16(width)]
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;> ecx = pack[16(y), 16(height)]
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;> edx = pack[8(flags), 24(button identifier)]
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;> flags bits:
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;> 7 (31) = 0
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;> 6 (30) = don't draw button
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;> 5 (29) = don't draw button frame when pressed
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;> esi = button color
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; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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;; Undefine button:
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;> edx = pack[8(flags), 24(button identifier)]
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;> flags bits:
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;> 7 (31) = 1
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;------------------------------------------------------------------------------
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; do we actually need to undefine the button?
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test edx, 0x80000000
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jnz .remove_button
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; do we have free button slots available?
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mov edi, [BTN_ADDR]
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mov eax, [edi]
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cmp eax, button._.MAX_BUTTONS
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jge .exit
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; does it have positive size? (otherwise it doesn't have sense)
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or bx, bx
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jle .exit
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or cx, cx
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jle .exit
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; make coordinates clientbox-relative
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push eax
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mov eax, [current_slot]
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rol ebx, 16
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add bx, word[eax + APPDATA.wnd_clientbox.left]
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rol ebx, 16
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rol ecx, 16
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add cx, word[eax + APPDATA.wnd_clientbox.top]
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rol ecx, 16
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pop eax
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; basic checks passed, define the button
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push ebx ecx edx
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inc eax
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mov [edi], ax
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shl eax, 4
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add edi, eax
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; NOTE: this code doesn't rely on SYS_BUTTON struct, please revise it
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; if you change something
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mov ax, [CURRENT_TASK]
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stosw
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mov ax, dx
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stosw ; button id number: bits 0-15
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mov eax, ebx
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rol eax, 16
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stosd ; x start | x size
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mov eax, ecx
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rol eax, 16
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stosd ; y start | y size
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mov eax, edx
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shr eax, 16
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stosw ; button id number: bits 16-31
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pop edx ecx ebx
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; do we also need to draw the button?
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test edx, 0x40000000
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jnz .exit
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; draw button body
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pushad
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; calculate window-relative coordinates
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movzx edi, cx
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shr ebx, 16
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shr ecx, 16
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mov eax, [TASK_BASE]
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add ebx, [eax - twdw + WDATA.box.left]
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add ecx, [eax - twdw + WDATA.box.top]
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mov eax, ebx
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shl eax, 16
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mov ax, bx
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add ax, word[esp + 16]
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mov ebx, ecx
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shl ebx, 16
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mov bx, cx
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; calculate initial color
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mov ecx, esi
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cmp [buttontype], 0
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je @f
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call button._.incecx2
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; set button height counter
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@@: mov edx, edi
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.next_line:
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call button._.button_dececx
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push edi
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xor edi, edi
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call [draw_line]
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pop edi
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add ebx, 0x00010001
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dec edx
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jnz .next_line
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popad
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; draw button frame
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push ebx ecx
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; calculate window-relative coordinates
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shr ebx, 16
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shr ecx, 16
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mov eax, [TASK_BASE]
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add ebx, [eax - twdw + WDATA.box.left]
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add ecx, [eax - twdw + WDATA.box.top]
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; top border
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mov eax, ebx
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shl eax, 16
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mov ax, bx
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add ax, [esp + 4]
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mov ebx, ecx
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shl ebx, 16
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mov bx, cx
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push ebx
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xor edi, edi
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mov ecx, esi
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call button._.incecx
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call [draw_line]
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; bottom border
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movzx edx, word[esp + 4 + 0]
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add ebx, edx
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shl edx, 16
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add ebx, edx
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mov ecx, esi
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call button._.dececx
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call [draw_line]
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; left border
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pop ebx
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push edx
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mov edx, eax
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shr edx, 16
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mov ax, dx
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mov edx, ebx
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shr edx, 16
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mov bx, dx
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add bx, [esp + 4 + 0]
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pop edx
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mov ecx, esi
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call button._.incecx
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call [draw_line]
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; right border
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mov dx, [esp + 4]
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add ax, dx
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shl edx, 16
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add eax, edx
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add ebx, 0x00010000
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mov ecx, esi
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call button._.dececx
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call [draw_line]
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pop ecx ebx
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.exit:
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ret
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; FIXME: mutex needed
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syscall_button.remove_button:
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and edx, 0x00ffffff
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mov edi, [BTN_ADDR]
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mov ebx, [edi]
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inc ebx
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imul esi, ebx, SYS_BUTTON.sizeof
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add esi, edi
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xor ecx, ecx
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add ecx, -SYS_BUTTON.sizeof
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.next_button:
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dec ebx
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jz .exit
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add ecx, SYS_BUTTON.sizeof
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add esi, -SYS_BUTTON.sizeof
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; does it belong to our process?
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mov ax, [CURRENT_TASK]
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cmp ax, [esi + SYS_BUTTON.pslot]
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jne .next_button
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; does the identifier match?
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mov eax, dword[esi + SYS_BUTTON.id_hi - 2]
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mov ax, [esi + SYS_BUTTON.id_lo]
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and eax, 0x00ffffff
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cmp edx, eax
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jne .next_button
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; okay, undefine it
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push ebx
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mov ebx, esi
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lea eax, [esi + SYS_BUTTON.sizeof]
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call memmove
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dec dword[edi]
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add ecx, -SYS_BUTTON.sizeof
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pop ebx
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jmp .next_button
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.exit:
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ret
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align 4
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;------------------------------------------------------------------------------
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check_buttons: ;///////////////////////////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? <description>
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;------------------------------------------------------------------------------
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cmp byte[BTN_DOWN], 0 ; mouse buttons pressed
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jnz @f
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mov [bPressedMouseXY_B], 0
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ret
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@@: pushad
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xor esi, esi
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mov edi, [BTN_ADDR]
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mov edx, [edi]
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test edx, edx
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jne @f
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popad
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ret
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;here i catch the coordinates when the mouse's button is clicked
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@@: push ax
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cmp [bPressedMouseXY_B], 0 ; FALSE
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jnz @f
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mov [bPressedMouseXY_B], 1 ; TRUE - it was already clicked
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mov ax, [MOUSE_X]
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mov [mx], ax
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mov ax, [MOUSE_Y]
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mov [my], ax
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@@: pop ax
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;and it is only refreshed after the mouse's button release
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push esi
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inc edx
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push edx
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.buttonnewcheck:
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pop edx
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pop esi
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inc esi
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cmp edx, esi
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jge .bch
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popad
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ret
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.bch:
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push esi
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push edx
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mov eax, esi
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shl eax, 4
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add eax, edi
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; check that button is at top of windowing stack
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movzx ebx, [eax + SYS_BUTTON.pslot]
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movzx ecx, word[WIN_STACK + ebx * 2]
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cmp ecx, [TASK_COUNT]
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jne .buttonnewcheck
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; check that button start is inside window x/y end
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shl ebx, 5
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test [ebx + window_data + WDATA.fl_wstate], WSTATE_MINIMIZED
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jnz .buttonnewcheck
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movzx edx, [eax + SYS_BUTTON.left]
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cmp edx, [window_data + ebx + WDATA.box.width] ;ecx
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jge .buttonnewcheck
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movzx edx, [eax + SYS_BUTTON.top]
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cmp edx, [window_data + ebx + WDATA.box.height] ;ecx
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jge .buttonnewcheck
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; check coordinates
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; mouse x >= button x ?
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add ebx, window_data
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mov ecx, [ebx + WDATA.box.left]
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movzx edx, [eax + SYS_BUTTON.left]
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add edx, ecx
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mov cx, [mx] ;mov cx,[MOUSE_X]
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cmp edx, ecx
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jg .buttonnewcheck
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movzx ebx, [eax + SYS_BUTTON.width]
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add edx, ebx
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cmp ecx, edx
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jg .buttonnewcheck
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; mouse y >= button y ?
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movzx ebx, [eax + SYS_BUTTON.pslot]
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shl ebx, 5
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add ebx, window_data
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mov ecx, [ebx + WDATA.box.top]
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movzx edx, [eax + SYS_BUTTON.top]
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add edx, ecx
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mov cx, [my] ;mov cx,[MOUSE_Y]
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cmp edx, ecx
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jg .buttonnewcheck
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movzx ebx, [eax + SYS_BUTTON.height]
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add edx, ebx
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cmp ecx, edx
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jg .buttonnewcheck
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; mouse on button
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pop edx
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pop esi
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mov ebx, dword[eax + SYS_BUTTON.id_hi - 2] ; button id : bits 16-31
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mov bx, [eax + SYS_BUTTON.id_lo] ; button id : bits 00-16
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push ebx
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mov byte[MOUSE_DOWN], 1 ; no mouse down checks
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call button._.negative_button
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pushad
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push eax
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mov al, [BTN_DOWN]
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mov byte[btn_down_determ], al
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pop eax
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.cbwaitmouseup:
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call checkidle
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call [draw_pointer]
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pushad
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call stack_handler
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popad
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cmp byte[BTN_DOWN], 0 ; mouse buttons pressed ?
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jnz .cbwaitmouseup
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popad
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call button._.negative_button
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mov byte[MOUSE_BACKGROUND], 0 ; no mouse background
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mov byte[DONT_DRAW_MOUSE], 0 ; draw mouse
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; check coordinates
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pusha
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; mouse x >= button x ?
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movzx ebx, [eax + SYS_BUTTON.pslot]
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shl ebx, 5
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add ebx, window_data
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mov ecx, [ebx + WDATA.box.left]
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movzx edx, [eax + SYS_BUTTON.left]
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add edx, ecx
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mov cx, [MOUSE_X]
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cmp edx, ecx
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jg .no_on_button ;if we release the pointer out of the button area
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movzx ebx, [eax + SYS_BUTTON.width]
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add edx, ebx
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cmp ecx, edx
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jg .no_on_button
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; mouse y >= button y ?
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movzx ebx, [eax + SYS_BUTTON.pslot]
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shl ebx, 5
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add ebx, window_data
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mov ecx, [ebx + WDATA.box.top]
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movzx edx, [eax + SYS_BUTTON.top]
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add edx, ecx
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mov cx, [MOUSE_Y]
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cmp edx, ecx
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jg .no_on_button
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movzx ebx, [eax + SYS_BUTTON.height]
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add edx, ebx
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cmp ecx, edx
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jg .no_on_button
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popa
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mov byte[BTN_COUNT], 1 ; no of buttons in buffer
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pop ebx
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mov [BTN_BUFF], ebx ; lets put the button id in buffer
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push ebx
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pusha
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jmp .yes_on_button
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.no_on_button:
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mov byte[BTN_COUNT], 0 ; no of buttons in buffer
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.yes_on_button:
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mov byte[MOUSE_DOWN], 0 ; mouse down -> do not draw
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popa
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pop ebx
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popa
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ret
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;==============================================================================
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;///// private functions //////////////////////////////////////////////////////
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;==============================================================================
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;------------------------------------------------------------------------------
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button._.dececx: ;/////////////////////////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? <description>
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;------------------------------------------------------------------------------
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sub cl, 0x20
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jnc @f
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xor cl, cl
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@@: sub ch, 0x20
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jnc @f
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xor ch, ch
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@@: rol ecx, 16
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sub cl, 0x20
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jnc @f
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xor cl, cl
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@@: rol ecx, 16
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ret
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;------------------------------------------------------------------------------
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button._.incecx: ;/////////////////////////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? <description>
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;------------------------------------------------------------------------------
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add cl, 0x20
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jnc @f
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or cl, -1
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@@: add ch, 0x20
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jnc @f
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or ch, -1
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@@: rol ecx, 16
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add cl, 0x20
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jnc @f
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or cl, -1
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@@: rol ecx, 16
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ret
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;------------------------------------------------------------------------------
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button._.incecx2: ;////////////////////////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? <description>
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;------------------------------------------------------------------------------
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add cl, 0x14
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jnc @f
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or cl, -1
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@@: add ch, 0x14
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jnc @f
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or ch, -1
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@@: rol ecx, 16
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add cl, 0x14
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jnc @f
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or cl, -1
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@@: rol ecx, 16
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ret
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;------------------------------------------------------------------------------
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button._.button_dececx: ;//////////////////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? <description>
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;------------------------------------------------------------------------------
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cmp [buttontype], 1
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jne .finish
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push eax
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mov al, 1
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cmp edi, 20
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jg @f
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mov al, 2
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@@: sub cl, al
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jnc @f
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xor cl, cl
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@@: sub ch, al
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jnc @f
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xor ch, ch
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@@: rol ecx, 16
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sub cl, al
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jnc @f
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xor cl, cl
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@@: rol ecx, 16
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pop eax
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.finish:
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ret
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;------------------------------------------------------------------------------
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button._.negative_button: ;////////////////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? <description>
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;------------------------------------------------------------------------------
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; if requested, do not display button border on press.
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test ebx, 0x20000000
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jnz .exit
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pushad
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xchg esi, eax
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movzx ecx, [esi + SYS_BUTTON.pslot]
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shl ecx, 5
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add ecx, window_data
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mov eax, dword[esi + SYS_BUTTON.left]
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mov ebx, dword[esi + SYS_BUTTON.top]
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add eax, [ecx + WDATA.box.left]
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add ebx, [ecx + WDATA.box.top]
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push eax ebx
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pop edx ecx
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rol eax, 16
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rol ebx, 16
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add ax, cx
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add bx, dx
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mov esi, 0x01000000
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call draw_rectangle.forced
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popad
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.exit:
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ret
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