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Rev Author Line No. Line
3675 GerdtR 1 
; TODO: add both visual and command modes
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; scan and build command line
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scan_cmdline:
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	pusha
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	cmp	[cmdline_len], cmdline_width
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	jae	waitevent
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	push	eax
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	call	clear_cmdline_end
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	pop	eax
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	mov	edi, cmdline
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	mov	ecx, [cmdline_len]
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	add	edi, ecx
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	lea	esi, [edi-1]
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	sub	ecx, [cmdline_pos]
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	std
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	rep	movsb
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	cld
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	stosb
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	inc	[cmdline_len]
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	call	draw_cmdline_end
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	inc	[cmdline_pos]
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	call	draw_cursor
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	jmp	waitevent
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.backspace:
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	cmp	[cmdline_pos], 0
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	jz	waitevent
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	dec	[cmdline_pos]
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.delchar:
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	call	clear_cmdline_end
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	mov	edi, [cmdline_pos]
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	dec	[cmdline_len]
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	mov	ecx, [cmdline_len]
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	sub	ecx, edi
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	add	edi, cmdline
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	lea	esi, [edi+1]
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	rep	movsb
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	call	draw_cmdline_end
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	call	draw_cursor
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	jmp	waitevent
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.del:
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	mov	eax, [cmdline_pos]
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	cmp	eax, [cmdline_len]
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	jae	waitevent
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	jmp	.delchar
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.left:
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	cmp	[cmdline_pos], 0
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	jz	waitevent
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	call	hide_cursor
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	dec	[cmdline_pos]
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	call	draw_cursor
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	jmp	waitevent
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.right:
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	mov	eax, [cmdline_pos]
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	cmp	eax, [cmdline_len]
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	jae	waitevent
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	call	hide_cursor
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	inc	[cmdline_pos]
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	call	draw_cursor
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	jmp	waitevent
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.home:
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	call	hide_cursor
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	and	[cmdline_pos], 0
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	call	draw_cursor
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	jmp	waitevent
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.end:
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	call	hide_cursor
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	mov	eax, [cmdline_len]
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	mov	[cmdline_pos], eax
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	call	draw_cursor
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.up:
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.down:
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	jmp	waitevent
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;; We also trying to execute previous command, if empty command_line
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.enter:
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	mov	ecx, [cmdline_len]
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	cmp ecx, 0
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	jg	.exec_cur
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	mov cl, byte [cmdline_prev]
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	cmp cl, 0
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	jz waitevent
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.exec_prev:
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	mov	esi, cmdline_prev
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	jmp .exec
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.exec_cur:
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	mov	esi, cmdline
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.exec:
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	mov	byte [esi+ecx], 0
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	and	[cmdline_pos], 0
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	push	esi
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	call	clear_cmdline_end
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	call	draw_cursor
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	pop	esi
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	and	[cmdline_len], 0
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; skip leading spaces
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	call	skip_spaces
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	cmp	al, 0
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	jz	waitevent
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; vim: ft= fasm
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