forked from KolibriOS/kolibrios
363 lines
10 KiB
PHP
363 lines
10 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; Written by hidnplayr@kolibrios.org ;;
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;; ;;
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;; GNU GENERAL PUBLIC LICENSE ;;
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;; Version 2, June 1991 ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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text_insert_newlines: ; esi = ASCIIZ string
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xor edx, edx ; number of lines of text
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cmp byte[esi], 0
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je .done
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.next_line:
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xor ebx, ebx
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mov ecx, [textbox_width]
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inc ecx
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.more:
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dec ecx
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jz .end_of_line
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lodsb ; get one character of the string
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test al, al ; end of string?
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jz .almost_done
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cmp al, ' ' ; it's a space! remember its position
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je .space
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cmp al, 13 ; we already inserted a newline once, make it a space again
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je .soft_nl
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cmp al, 10 ; it's a newline, continue onto the next line
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jne .more
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inc edx
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jmp .next_line
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.soft_nl:
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inc edx
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mov byte[esi-1], ' '
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mov ebx, esi
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jmp .more
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.space:
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mov ebx, esi ; last detected space
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jmp .more
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.end_of_line:
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inc edx
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test ebx, ebx ; did we detect any spaces on this line?
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jz .next_line ; no: just continue onto the next line
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mov byte[ebx-1], 13 ; yes: replace last space on line with a soft newline
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mov esi, ebx ; and continue parsing just after last space
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jmp .next_line ;
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.almost_done:
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dec esi
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.done:
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ret
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; When you set the direction flag before calling, you can also scan for previous line!
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; in: esi
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; out:esi
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text_nextline:
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mov ecx, [textbox_width]
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.loop:
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cmp byte[esi], 0
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je .done
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lodsb
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cmp al, 10
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je .done
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cmp al, 13
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je .done
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dec ecx
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jnz .loop
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.done:
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ret
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print_text: ; eax = start ptr
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; dl = end char
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pusha
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ptr2:
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mov bl, [eax]
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cmp bl, dl
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je .done
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test bl, bl
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jz .done
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call print_character
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inc eax
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jmp ptr2
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.done:
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popa
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ret
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print_text2: ; esi = ptr to ASCIIZ string
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pusha
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.loop:
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lodsb
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test al, al
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jz .done
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mov bl, al
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call print_character
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jmp .loop
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.done:
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popa
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ret
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print_character:
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push esi edi
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mov esi, [window_print]
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mov edi, [esi + window.text_write]
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mov byte[edi], bl
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inc edi
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cmp edi, [esi + window.text_end]
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jae .uh_ow
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mov [esi + window.text_write], edi
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.continue:
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or [esi + window.flags], FLAG_UPDATED
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pop edi esi
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ret
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.uh_ow:
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pusha
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mov edi, [esi + window.text_start]
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mov [esi + window.text_print], edi
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lea esi, [edi + TEXT_BUFFERSIZE/2]
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call text_nextline
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mov ecx, TEXT_BUFFERSIZE/8
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rep movsd
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mov esi, edi
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call text_insert_newlines
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mov ebx, [window_print]
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mov [ebx + window.text_lines], edx
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mov [ebx + window.text_scanned], esi
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mov [ebx + window.text_write], esi
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mov [ebx + window.text_line_print], 0
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popa
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jmp .continue
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draw_channel_text:
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mov edi, [window_active]
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and [edi + window.flags], not FLAG_UPDATED ; clear the 'window is updated' flag
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; Scan new text for newlines
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mov esi, [edi + window.text_scanned]
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call text_insert_newlines
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add [edi + window.text_lines], edx
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mov [edi + window.text_scanned], esi
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; should we scroll up/down some lines ? ; TODO: only scroll down automatically when scrollbar is at lowest position ?
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mov edx, [edi + window.text_lines]
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sub edx, [textbox_height]
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jle .noscroll ; There are less lines of text than fit into the window, dont scroll..
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sub edx, [edi + window.text_line_print]
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je .noscroll ; We are already at the bottom pos, dont scroll..
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.scroll_to_pos: ; edx = number of lines to go up/down (flags must indicate direction)
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pushf
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add [edi + window.text_line_print], edx
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mov esi, [edi + window.text_print]
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popf
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ja .loop_forward
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std ; set direction flag so we can scan backwards
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dec esi ; move our cursor just in front of newline, for scanning backwards
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dec edx ;;;;; FIXME: this seems to be needed, but why ???
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.loop_backward:
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call text_nextline
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inc edx
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jnz .loop_backward
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inc esi ; move the cursor just after last newline
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cld
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jmp .ok
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.loop_forward:
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call text_nextline
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dec edx
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jnz .loop_forward
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.ok:
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mov [edi + window.text_print], esi
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.noscroll:
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mov edx, [edi + window.text_print]
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; Calculate start coordinates (align text to bottom)
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mov ebx, [textbox_height]
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sub ebx, [edi + window.text_lines]
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jae @f
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xor ebx, ebx
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@@:
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imul ebx, FONT_HEIGHT
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add ebx, TEXT_X shl 16 + TEXT_Y
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; Prepare to actually draw some text
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mov eax, [textbox_height] ; max number of lines to draw
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mov ecx, [colors.work_text] ; default text color
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.drawloop:
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cmp byte[edx], 0
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je .end
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; Clear one row of characters
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pusha
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mov cx, bx
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shl ecx, 16
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mov cx, FONT_HEIGHT
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mov ebx, TEXT_X shl 16
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mov bx, word[textbox_width]
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imul bx, FONT_WIDTH
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mov edx, [colors.work]
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mcall 13 ; draw rectangle
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popa
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mov esi, edx
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add esi, [textbox_width]
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.line:
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cmp byte[edx], 0
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je .end
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cmp byte[edx], 13
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je .newline_soft
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cmp byte[edx], 10
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je .newline_hard
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push esi eax
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cmp byte[edx], 3 ; escape code for mIRC colors
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jne .no_colors
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inc edx
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call dec_to_esi
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jz .no_colors
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mov ecx, [irc_colors + 4*esi]
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cmp byte[edx], ',' ; background color?
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jne .no_colors
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inc edx
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call dec_to_esi
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jz .no_colors
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mov edi, [irc_colors + 4*esi]
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or ecx, 0x40000000
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.no_colors:
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.draw:
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mov esi, 1
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mcall 4 ; draw text
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add ebx, FONT_WIDTH shl 16
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inc edx
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pop eax esi
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cmp edx, esi
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jb .line
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jmp .line_full
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.newline_hard:
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mov ecx, [colors.work_text]
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.newline_soft:
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inc edx
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.line_full:
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and ebx, 0x0000ffff
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add ebx, TEXT_X shl 16 + FONT_HEIGHT
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dec eax
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jnz .drawloop
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; take care of the scrollbar
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.scrollbar:
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mov edi, [window_active]
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mov edx, [edi + window.text_lines]
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cmp edx, [textbox_height]
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ja .draw_scroll
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mov [scroll2.position], 0 ; disable scrollbar
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jmp .scroll_done
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.draw_scroll:
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mov [scroll2.max_area], edx
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mov eax, [edi + window.text_line_print]
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mov [scroll2.position], eax
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push dword scroll2 ; redraw scrollbar
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call [scrollbar_draw]
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mov [scroll2.all_redraw], 0 ; next time, dont redraw it completely
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.scroll_done:
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.end:
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ret
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dec_to_esi:
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xor esi, esi
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.loop:
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movzx eax, byte[edx]
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sub al, '0'
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jb .done
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cmp al, 9
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ja .done
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inc edx
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shl esi, 1 ; esi * 2
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lea esi, [esi + 4*esi] ; esi * 5
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add esi, eax
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jmp .loop
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.done:
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cmp esi, 16
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jae .fail
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ret
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.fail:
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xor esi, esi
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ret
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if TIMESTAMP
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print_timestamp:
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pusha
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mcall 3 ; get system time
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mov bl, '['
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call print_character
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mov ecx, TIMESTAMP
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.loop:
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mov bl, al
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shr bl, 4
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add bl, '0'
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call print_character
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mov bl, al
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and bl, 0x0f
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add bl, '0'
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call print_character
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dec ecx
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jz .done
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mov bl, ':'
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call print_character
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shr eax, 8
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jmp .loop
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.done:
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mov bl, ']'
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call print_character
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mov bl, ' '
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call print_character
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popa
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ret
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end if |