forked from KolibriOS/kolibrios
335 lines
9.4 KiB
PHP
335 lines
9.4 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2015. 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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struct SYS_BUTTON
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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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dw ?
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ends
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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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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,
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; please revise it, 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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; 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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xor edi, edi
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push ebx ecx esi
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cmp [buttontype], 1
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jnz .draw
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cmp cx, 129
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jnc .draw
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; calculate gradient data
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mov eax, esi
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shl eax, 8
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mov edx, 3
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.calculate:
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rol eax, 8
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shl al, 1
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jnc @f
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neg al
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jnz @f
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mov al, 128
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@@:
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jns @f
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mov al, 128
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@@:
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div cl
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shl ax, 8
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dec edx
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jnz .calculate
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mov dl, cl
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dec edx
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shr edx, 1
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shr eax, 8
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mov edi, eax
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mul edx
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add esi, eax
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.draw: ; calculate window-relative coordinates
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movzx ebp, cx
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dec ebp
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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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inc eax
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mov edx, ebx
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add dx, [esp+8]
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dec edx
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mov ebx, ecx
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mov ecx, esi
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shr ecx, 1
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btr ecx, 7
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btr ecx, 15
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push esi
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mov esi, edi
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xor edi, edi
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call hline ; top border
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inc ebx
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pop ecx
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.next_line:
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call hline ; button body
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inc ebx
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sub ecx, esi
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dec ebp
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jnz .next_line
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shr ecx, 1
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btr ecx, 7
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btr ecx, 15
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call hline ; bottom border
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pop ecx
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shr ecx, 1
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btr ecx, 7
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btr ecx, 15
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inc edx
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push edx
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mov edx, ebx
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sub bx, [esp+4]
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dec eax
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cmp [buttontype], 1
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jnz @f
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dec edx
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inc ebx
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@@:
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call vline ; left border
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pop eax
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call vline ; right border
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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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.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, sizeof.SYS_BUTTON
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add esi, edi
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xor ecx, ecx
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add ecx, -sizeof.SYS_BUTTON
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add esi, sizeof.SYS_BUTTON
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.next_button:
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dec ebx
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jz .exit
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add ecx, sizeof.SYS_BUTTON
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add esi, -sizeof.SYS_BUTTON
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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 + sizeof.SYS_BUTTON]
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call memmove
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dec dword[edi]
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add ecx, -sizeof.SYS_BUTTON
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pop ebx
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jmp .next_button
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;---------------------------------------------------------------
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sys_button_activate_handler:
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sys_button_deactivate_handler:
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;---------------------------------------------------------------
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;> eax = pack[8(process slot), 24(button id)]
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;> ebx = pack[16(button x coord), 16(button y coord)]
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;> cl = mouse button mask this system button was pressed with
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;---------------------------------------------------------------
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; find system button by specified process slot, id and coordinates
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push ecx edx esi edi
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mov edx, eax
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shr edx, 24
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and eax, 0x0ffffff
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mov edi, [BTN_ADDR]
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mov ecx, [edi]
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imul esi, ecx, sizeof.SYS_BUTTON
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add esi, edi
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inc ecx
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add esi, sizeof.SYS_BUTTON
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.next_button:
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dec ecx
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jz .popexit
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add esi, -sizeof.SYS_BUTTON
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; does it belong to our process?
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cmp dx, [esi + SYS_BUTTON.pslot]
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jne .next_button
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; does id match?
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mov edi, dword[esi + SYS_BUTTON.id_hi - 2]
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mov di, [esi + SYS_BUTTON.id_lo]
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and edi, 0x0ffffff
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cmp eax, edi
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jne .next_button
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; does coordinates match?
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mov edi, dword[esi + SYS_BUTTON.left - 2]
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mov di, [esi + SYS_BUTTON.top]
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cmp ebx, edi
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jne .next_button
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mov eax, esi
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pop edi esi edx ecx
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mov ebx, dword[eax + SYS_BUTTON.id_hi - 2]
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; display button border on press?
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test ebx, 0x20000000
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jnz .exit
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; invert system button border
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pushad
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mov 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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rol eax, 16
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rol ebx, 16
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push eax ebx
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shr eax, 16
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shr ebx, 16
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mov edx, eax
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add dx, [esp+4]
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dec edx
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inc eax
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mov ecx, 1000000h
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xor edi, edi
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inc edi
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call hline
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add bx, [esp]
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call hline
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inc edx
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push edx
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mov edx, ebx
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sub bx, [esp+4]
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dec eax
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cmp [buttontype], 1
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jnz @f
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dec edx
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inc ebx
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@@:
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call vline
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pop eax
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call vline
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pop eax eax
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popad
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.exit:
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ret
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.popexit:
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pop edi esi edx ecx
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ret
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;---------------------------------------------------------------
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sys_button_perform_handler:
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;---------------------------------------------------------------
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;> eax = pack[8(process slot), 24(button id)]
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;> ebx = pack[16(button x coord), 16(button y coord)]
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;> cl = mouse button mask this system button was pressed with
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;---------------------------------------------------------------
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shl eax, 8
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mov al, cl
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movzx ebx, byte[BTN_COUNT]
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mov [BTN_BUFF + ebx * 4], eax
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inc bl
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mov [BTN_COUNT], bl
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ret
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