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Rev 3545 Rev 3981
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        jnz     .loop
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        jnz     .loop
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  .addzero:
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  .addzero:
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        xor     al, al
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        xor     al, al
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        stosb
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        stosb
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        call    draw_windownames        ; redraw it
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        call    draw_windowtabs         ; redraw it
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        mov     [text_start], eax
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        mov     [text_start], eax
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        ret
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        ret
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window_updated:
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window_is_updated:
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        mov     edi, [window_print]
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        mov     edi, [window_print]
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        test    [edi + window.flags], FLAG_UPDATED
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        test    [edi + window.flags], FLAG_UPDATED
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        jnz     .skip
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        jnz     .skip
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        or      [edi + window.flags], FLAG_UPDATED
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; now play a sound :)
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        call    draw_windowtabs         ; highlight updated tabs
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  .skip:
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        ret
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window_close:
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; If current window is a channel, send part command to server
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        mov     esi, [window_active]
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        cmp     [esi + window.type], WINDOWTYPE_CHANNEL
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        jne     .not_channel
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        lea     esi, [esi + window.name]
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        call    cmd_usr_part_channel
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  .not_channel:
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; Remove the window (overwrite current structure with trailing ones)
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        mov     edi, [window_active]
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        push    [edi + window.data_ptr]         ; remember data ptr so we can free it later
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        lea     esi, [edi + sizeof.window]
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        mov     ecx, windows + MAX_WINDOWS*sizeof.window
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        sub     ecx, esi
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        rep     movsb
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; Completely zero the trailing window block (there will always be one!)
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        mov     ecx, sizeof.window
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        xor     al, al
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        rep     stosb
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; free the window data block
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        pop     ecx
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        mcall   68, 13
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; We closed this window so we need to show another
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        mov     edi, [window_active]
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        cmp     [edi + window.data_ptr], 0
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        jne     @f
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        sub     edi, sizeof.window
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        mov     [window_active], edi
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        mov     [window_print], edi
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  @@:
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; At last, redraw everything
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        call    draw_window
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        ret
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; open a window with a given name, if it does not exist, create it
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; This procedure only affects window_print ptr, not window_active!
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;
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; esi = ptr to ASCIIZ windowname
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window_open:
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        push    esi
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        mov     edi, esi
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        call    compare_to_nick
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        jne     .nochat
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        mov     esi, servercommand+1
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  .nochat:
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; now search for window in list
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        mov     ebx, windows
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        mov     [window_print], ebx     ; set first window (server window) as default output window
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  .scanloop:
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        cmp     [ebx + window.data_ptr], 0
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        je      .create_it
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        push    esi
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        lea     edi, [ebx + window.name]
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        mov     ecx, MAX_WINDOWNAME_LEN
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        repe    cmpsb
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        pop     esi
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        cmp     byte[edi-1], 0
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        je      .got_it
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        add     ebx, sizeof.window
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        ; TODO: check buffer limits ?
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        jmp     .scanloop
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; create channel window - search for empty slot
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  .create_it:
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        mov     ebx, windows
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        mov     ecx, MAX_WINDOWS
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  .scanloop2:
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        cmp     [ebx + window.data_ptr], 0
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        je      .free_found
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        add     ebx, sizeof.window
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        dec     ecx
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        jnz     .scanloop2
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; Error: no more available windows!
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        jmp     .just_skip
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  .free_found:
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        push    ebx
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        call    window_create
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        pop     ebx
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        test    eax, eax
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        jz      .just_skip
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        mov     [ebx + window.data_ptr], eax
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        mov     [ebx + window.type], WINDOWTYPE_CHAT
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        mov     [ebx + window.flags], 0
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        call    window_set_name
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        mov     [window_print], ebx
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        call    window_refresh
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        call    draw_windowtabs
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        jmp     .just_skip
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; found it!
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  .got_it:
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        mov     [window_print], ebx
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        call    window_refresh
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  .just_skip:
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        pop     esi
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  .skip1:
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; skip text
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        lodsb
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        test    al, al
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        jz      .quit
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        cmp     al, ' '
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        jne     .skip1
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        dec     esi
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; now skip trailing spaces and semicolons
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  .skip2:
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        lodsb
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        test    al, al
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        jz      .quit
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        cmp     al, ' '
87 
        or      [edi + window.flags], FLAG_UPDATED
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        je      .skip2
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        cmp     al, ':'
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; now play a sound :)
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        je      .skip2
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        dec     esi