749 lines
18 KiB
NASM
749 lines
18 KiB
NASM
;-----------------------------------------------------------------------------
|
|
func check_cur_vis_inv ;//////////////////////////////////////////////////////
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|
;-----------------------------------------------------------------------------
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push eax ebx
|
|
xor bl,bl
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|
.chk_y:
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mov eax,[cur_editor.Caret.Y] ;! eax,[pos.y]
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or eax,eax
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jge @f
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mov [cur_editor.Caret.Y],0 ;! [pos.y],0
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jmp .chk_dy
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@@: cmp eax,[cur_editor.Lines.Count] ;! eax,[lines]
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jl .chk_dy
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mov eax,[cur_editor.Lines.Count] ;! eax,[lines]
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dec eax
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mov [cur_editor.Caret.Y],eax ;! [pos.y],eax
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.chk_dy:
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mov eax,[cur_editor.TopLeft.Y] ;! eax,[top_line]
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cmp eax,[cur_editor.Caret.Y] ;! eax,[pos.y]
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jle @f
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m2m [cur_editor.TopLeft.Y],[cur_editor.Caret.Y]
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;! push [pos.y]
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;! pop [top_line]
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inc bl
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@@: add eax,[lines.scr]
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cmp eax,[cur_editor.Caret.Y] ;! eax,[pos.y]
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jg .chk_x
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mov eax,[cur_editor.Caret.Y] ;! eax,[pos.y]
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sub eax,[lines.scr]
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inc eax
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mov [cur_editor.TopLeft.Y],eax ;! [top_line],eax
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inc bl
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.chk_x:
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mov eax,[cur_editor.Caret.X] ;! eax,[pos.x]
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or eax,eax
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jge @f
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mov [cur_editor.Caret.X],0 ;! [pos.x],0
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jmp .chk_dx
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@@: cmp eax,[cur_editor.Columns.Count] ;! eax,[columns]
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jl .chk_dx
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mov eax,[cur_editor.Columns.Count] ;! eax,[columns]
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mov [cur_editor.Caret.X],eax ;! [pos.x],eax
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.chk_dx:
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mov eax,[cur_editor.TopLeft.X] ;! eax,[left_col]
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cmp eax,[cur_editor.Caret.X] ;! eax,[pos.x]
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jle @f
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m2m [cur_editor.TopLeft.X],[cur_editor.Caret.X]
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;! push [pos.x]
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;! pop [left_col]
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inc bl
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@@: add eax,[columns.scr]
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cmp eax,[cur_editor.Caret.X] ;! eax,[pos.x]
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jg @f
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mov eax,[cur_editor.Caret.X] ;! eax,[pos.x]
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sub eax,[columns.scr]
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inc eax
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mov [cur_editor.TopLeft.X],eax ;! [left_col],eax
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inc bl
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@@: cmp [mev],MEV_LDOWN
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jne .exit
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push [cur_editor.Caret.X] [cur_editor.Caret.Y] ;! [pos.x] [pos.y]
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pop [cur_editor.SelStart.Y] [cur_editor.SelStart.X] ;! [sel.y] [sel.x]
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.exit:
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or bl,bl
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clc
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jz @f
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call draw_file
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stc
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@@: pop ebx eax
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ret
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endf
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;-----------------------------------------------------------------------------
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func clear_selection ;////////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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push eax ebx
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mov eax,[cur_editor.SelStart.Y] ;! eax,[sel.y]
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mov ebx,[cur_editor.Caret.Y] ;! ebx,[pos.y]
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cmp eax,ebx
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jle @f
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xchg eax,ebx
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@@: push [cur_editor.Caret.X] [cur_editor.Caret.Y] ;! [pos.x] [pos.y]
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pop [cur_editor.SelStart.Y] [cur_editor.SelStart.X] ;! [sel.y] [sel.x]
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call draw_file.ex
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pop ebx eax
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ret
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endf
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;-----------------------------------------------------------------------------
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func pt_in_rect ;/////////////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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cmp eax,[ecx+0x0]
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jl @f
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cmp ebx,[ecx+0x4]
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jl @f
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cmp eax,[ecx+0x8]
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jg @f
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cmp ebx,[ecx+0xC]
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jg @f
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stc
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ret
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@@: clc
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ret
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endf
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;-----------------------------------------------------------------------------
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func check_bottom_right ;/////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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push eax
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mov eax,[cur_editor.TopLeft.Y] ;! eax,[top_line]
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add eax,[lines.scr]
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cmp eax,[cur_editor.Lines.Count] ;! eax,[lines]
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jbe .lp1
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mov eax,[cur_editor.Lines.Count] ;! eax,[lines]
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sub eax,[lines.scr]
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jns @f
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xor eax,eax
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@@: mov [cur_editor.TopLeft.Y],eax ;! [top_line],eax
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.lp1: mov eax,[cur_editor.TopLeft.X] ;! eax,[left_col]
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add eax,[columns.scr]
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cmp eax,[cur_editor.Columns.Count] ;! eax,[columns]
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jbe .exit
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mov eax,[cur_editor.Columns.Count] ;! eax,[columns]
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sub eax,[columns.scr]
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jns @f
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xor eax,eax
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@@: mov [cur_editor.TopLeft.X],eax ;! [left_col],eax
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.exit:
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pop eax
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ret
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endf
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;-----------------------------------------------------------------------------
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func check_inv_str ;//////////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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@^
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mov eax,[pos.y]
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mov ecx,[top_line]
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.skip_init:
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call check_cur_vis
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mov [pos.y],eax
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mov [top_line],ecx
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.skip_check:
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; call invalidate_string
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call drawfile
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ret
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^@
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endf
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;-----------------------------------------------------------------------------
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func check_inv_all ;//////////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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mov eax,[cur_editor.Caret.Y] ;! eax,[pos.y]
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mov ecx,[cur_editor.TopLeft.Y] ;! ecx,[top_line]
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.skip_init:
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call check_cur_vis
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mov [cur_editor.Caret.Y],eax ;! [pos.y],eax
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mov [cur_editor.TopLeft.Y],ecx ;! [top_line],ecx
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.skip_check:
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; call clear_screen
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call draw_file
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ret
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endf
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;-----------------------------------------------------------------------------
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func check_cur_vis ;//////////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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cmp eax,ecx
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jb .low
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mov edx,ecx
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add edx,[lines.scr]
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cmp edx,[cur_editor.Lines.Count] ;! edx,[lines]
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jbe @f
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mov edx,[cur_editor.Lines.Count] ;! edx,[lines]
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@@: cmp eax,edx
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jb @f
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lea ecx,[eax+1]
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sub ecx,[lines.scr]
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jns @f
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xor ecx,ecx
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jmp @f
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.low: mov ecx,eax
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@@: mov edx,ecx
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add edx,[lines.scr]
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cmp edx,[cur_editor.Lines.Count] ;! edx,[lines]
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jbe @f
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mov ecx,[cur_editor.Lines.Count] ;! ecx,[lines]
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sub ecx,[lines.scr]
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jns @f
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xor ecx,ecx
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@@:;mov [top_line],ecx
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pushad
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mov eax,[cur_editor.Caret.X] ;! eax,[pos.x]
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mov ebx,[cur_editor.TopLeft.X] ;! ebx,[left_col]
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mov ecx,ebx
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add ecx,[columns.scr]
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cmp eax,ebx
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jb .lp1
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cmp eax,ecx
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jb .exit
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lea ebx,[eax]
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sub ebx,[columns.scr]
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jmp @f
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.lp1: mov ebx,eax
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@@: mov [cur_editor.TopLeft.X],ebx ;! [left_col],ebx
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.exit:
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mov [cur_editor.Caret.X],eax ;! [pos.x],eax
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popad
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ret
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endf
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;-----------------------------------------------------------------------------
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func get_real_length ;////////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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movzx eax,word[esi]
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@@: cmp byte[esi+eax+4-1],' '
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jne @f
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dec eax
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jnz @b
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@@: ret
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endf
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;-----------------------------------------------------------------------------
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func get_line_offset ;////////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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; Input:
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; ECX = line number
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; Output:
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; ESI = line data offset
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;-----------------------------------------------------------------------------
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push eax ecx
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mov esi,[cur_editor.Lines] ;! AREA_EDIT
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@@: dec ecx
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js .exit
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movzx eax,word[esi]
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lea esi,[esi+eax+4]
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jmp @b
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.exit:
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pop ecx eax
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ret
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endf
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;-----------------------------------------------------------------------------
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func init_sel_vars ;//////////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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pushad
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mov [sel.selected],1
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mov eax,[cur_editor.SelStart.X] ;! eax,[sel.x]
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mov ebx,[cur_editor.SelStart.Y] ;! ebx,[sel.y]
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mov ecx,[cur_editor.Caret.X] ;! ecx,[pos.x]
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mov edx,[cur_editor.Caret.Y] ;! edx,[pos.y]
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cmp ebx,edx
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jl .lp2
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jne @f
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cmp eax,ecx
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jl .lp2
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jne .lp1
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dec [sel.selected]
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jmp .lp2
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@@: xchg ebx,edx
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.lp1: xchg eax,ecx
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.lp2: mov [sel.begin.x],eax
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mov [sel.begin.y],ebx
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mov [sel.end.x],ecx
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mov [sel.end.y],edx
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popad
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ret
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endf
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;-----------------------------------------------------------------------------
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func get_scroll_vars ;////////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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; Input:
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; EAX = maximum data size (units)
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; EBX = visible data size (units)
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; ECX = current data position (units)
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; EDX = scrolling area size (pixels)
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; Output:
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; EAX = srcoller offset (pixels)
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; EBX = scroller size (pixels)
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;-----------------------------------------------------------------------------
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push eax ebx edx
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; sub eax,ebx
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mov esi,eax
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mov eax,edx
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imul ebx
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idiv esi
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cmp eax,[esp]
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jge .null
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cmp eax,AMINS
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jge @f
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neg eax
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add eax,AMINS
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sub [esp],eax
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mov eax,AMINS
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@@: mov [esp+4],eax ; scroller size
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mov eax,[esp]
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imul ecx
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idiv esi
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or eax,eax
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jns @f
|
|
xor eax,eax
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@@: mov [esp+8],eax ; scroller offset
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add eax,[esp+4]
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cmp eax,[esp]
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jle @f
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; mov eax,[esp]
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; sub eax,[esp+4]
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; js @f
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; mov [esp+8],eax
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@@:
|
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pop edx ebx eax
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ret
|
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.null:
|
|
mov dword[esp+4],0
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mov dword[esp+8],0
|
|
jmp @b
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
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func uint2strz ;//////////////////////////////////////////////////////////////
|
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;-----------------------------------------------------------------------------
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|
dec ebx
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|
jz @f
|
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xor edx,edx
|
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div ecx
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push edx
|
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call uint2strz
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pop eax
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@@: cmp al,10
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sbb al,$69
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das
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stosb
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ret
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endf
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;-----------------------------------------------------------------------------
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func uint2str ;///////////////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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cmp eax,ecx
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|
jb @f
|
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xor edx,edx
|
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div ecx
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push edx
|
|
call uint2str
|
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pop eax
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@@: cmp al,10
|
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sbb al,$69
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das
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stosb
|
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ret
|
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endf
|
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|
|
;-----------------------------------------------------------------------------
|
|
func strlen ;/////////////////////////////////////////////////////////////////
|
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;-----------------------------------------------------------------------------
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push ebx
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mov ebx,eax
|
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xor eax,eax
|
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@@: cmp byte[ebx+eax],0
|
|
je @f
|
|
inc eax
|
|
jmp @b
|
|
@@: pop ebx
|
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ret
|
|
endf
|
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|
|
;-----------------------------------------------------------------------------
|
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func rgb_to_gray ;////////////////////////////////////////////////////////////
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;-----------------------------------------------------------------------------
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|
push 0 eax
|
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and dword[esp],0x000000FF
|
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fild dword[esp]
|
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fmul [float_gray_b]
|
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shr eax,8
|
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mov [esp],eax
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and dword[esp],0x000000FF
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fild dword[esp]
|
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fmul [float_gray_g]
|
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faddp
|
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shr eax,8
|
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and eax,0x000000FF
|
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mov [esp],eax
|
|
fild dword[esp]
|
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fmul [float_gray_r]
|
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faddp
|
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frndint
|
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fist dword[esp]
|
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fist dword[esp+1]
|
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fistp dword[esp+2]
|
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pop eax
|
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add esp,4
|
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ret
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endf
|
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|
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;float_gray_r dd 0.30f
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;float_gray_g dd 0.59f
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;float_gray_b dd 0.11f
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|
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;-----------------------------------------------------------------------------
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func get_active_menu_item ;///////////////////////////////////////////////////
|
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;-----------------------------------------------------------------------------
|
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pushad
|
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mov [mi_cur],0
|
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mcall 37,1
|
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movsx ebx,ax
|
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sar eax,16
|
|
mov ecx,__rc
|
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pushd 2 0 (main_menu.width+7) (ATOPH-2)
|
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popd [__rc+0xC] [__rc+0x8] [__rc+0x4] [__rc+0x0]
|
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; add [__rc+0xC],ATOPH-2
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call pt_in_rect
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jnc .outside_menu
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m2m dword[ecx+0x8],dword[ecx+0x0]
|
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mov edx,main_menu
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@@: inc [mi_cur]
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movzx esi,word[edx+0]
|
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add [ecx+0x8],esi
|
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call pt_in_rect
|
|
jc .exit
|
|
m2m dword[ecx+0x0],dword[ecx+0x8]
|
|
add edx,8+1
|
|
movzx esi,byte[edx-1]
|
|
add edx,esi
|
|
cmp byte[edx+8],0
|
|
jne @b
|
|
mov [mi_cur],0
|
|
.exit:
|
|
popad
|
|
ret
|
|
.outside_menu:
|
|
or [mi_cur],-1
|
|
@@: popad
|
|
ret
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
|
func get_active_popup_item ;//////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
pushad
|
|
mov [pi_cur],0
|
|
mcall 37,1
|
|
movsx ebx,ax
|
|
sar eax,16
|
|
mov ecx,__rc
|
|
mov dword[ecx+0x0],0
|
|
mov dword[ecx+0x4],0
|
|
movzx edx,[ebp+POPUP.width]
|
|
mov dword[ecx+0x8],edx;POP_WIDTH
|
|
movzx edx,[ebp+POPUP.height]
|
|
mov dword[ecx+0xC],edx;POP_HEIGHT
|
|
call pt_in_rect
|
|
jnc .outside_window
|
|
inc dword[ecx+0x0]
|
|
mov dword[ecx+0x4],3
|
|
dec dword[ecx+0x8]
|
|
mov dword[ecx+0xC],3+POP_IHEIGHT-1
|
|
mov edx,[ebp+POPUP.data];popup_text.data
|
|
@@: inc [pi_cur]
|
|
inc edx
|
|
movzx esi,byte[edx-1]
|
|
cmp byte[edx],'-'
|
|
jne .lp1
|
|
pushd [ecx+0xC]
|
|
sub dword[ecx+0xC],POP_IHEIGHT-4
|
|
call pt_in_rect
|
|
popd [ecx+0xC]
|
|
jc .separator
|
|
add dword[ecx+0x4],4
|
|
add dword[ecx+0xC],4
|
|
jmp .lp3
|
|
.lp1: call pt_in_rect
|
|
jnc .lp2
|
|
mov eax,[pi_cur]
|
|
test byte[ebp+eax-1],1;byte[popup_text+eax-1],1
|
|
jnz .exit
|
|
jmp .separator
|
|
.lp2: add dword[ecx+0x4],POP_IHEIGHT
|
|
add dword[ecx+0xC],POP_IHEIGHT
|
|
add edx,esi
|
|
inc edx
|
|
movzx esi,byte[edx-1]
|
|
.lp3: add edx,esi
|
|
cmp byte[edx],0
|
|
jne @b
|
|
.separator:
|
|
mov [pi_cur],0
|
|
.exit:
|
|
popad
|
|
ret
|
|
.outside_window:
|
|
or [pi_cur],-1
|
|
jmp .exit
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
|
func line_add_spaces ;////////////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
; Input:
|
|
; ESI = line offset
|
|
; ECX = needed line length
|
|
; Output:
|
|
; EAX = delta
|
|
;-----------------------------------------------------------------------------
|
|
xor eax,eax
|
|
pushad
|
|
movzx edx,word[esi]
|
|
cmp ecx,edx
|
|
jbe .exit
|
|
sub ecx,edx
|
|
lea eax,[ecx+4]
|
|
call editor_realloc_lines
|
|
mov [esp+4*7],eax
|
|
add esi,eax
|
|
push ecx
|
|
mov edi,[cur_editor.Lines] ;! AREA_TEMP2
|
|
add edi,[edi-4]
|
|
dec edi
|
|
mov eax,esi
|
|
mov esi,edi
|
|
sub esi,ecx
|
|
lea ecx,[eax+4]
|
|
add ecx,edx;[eax]
|
|
push ecx
|
|
neg ecx
|
|
lea ecx,[esi+ecx+1]
|
|
std
|
|
rep movsb
|
|
pop edi ecx
|
|
add [eax],cx
|
|
mov al,' '
|
|
cld
|
|
rep stosb
|
|
.exit:
|
|
popad
|
|
ret
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
|
func delete_selection ;///////////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
; call init_sel_vars
|
|
|
|
cmp [sel.selected],0
|
|
je .exit.2
|
|
|
|
pushad
|
|
mov ecx,[sel.begin.y]
|
|
cmp ecx,[sel.end.y]
|
|
je .single_line
|
|
call get_line_offset
|
|
and dword[esi],not 0x00020000
|
|
or dword[esi],0x00010000
|
|
mov ecx,[sel.begin.x]
|
|
call line_add_spaces
|
|
add esi,eax
|
|
lea edi,[esi+4]
|
|
mov ecx,[sel.end.y]
|
|
call get_line_offset
|
|
call get_real_length
|
|
cmp eax,[sel.end.x]
|
|
jbe @f
|
|
mov eax,[sel.end.x]
|
|
@@: movzx ecx,word[esi]
|
|
sub ecx,eax
|
|
mov ebx,[sel.begin.x]
|
|
add ebx,ecx
|
|
mov [edi-4],bx
|
|
add edi,[sel.begin.x]
|
|
lea esi,[esi+eax+4]
|
|
mov ecx,[cur_editor.Lines] ;! AREA_TEMP2
|
|
add ecx,[ecx-4]
|
|
sub ecx,esi
|
|
cld
|
|
rep movsb
|
|
mov eax,[sel.end.y]
|
|
sub eax,[sel.begin.y]
|
|
sub [cur_editor.Lines.Count],eax ;! [lines],eax
|
|
jmp .exit
|
|
|
|
.single_line:
|
|
call get_line_offset
|
|
and dword[esi],not 0x00020000
|
|
or dword[esi],0x00010000
|
|
call get_real_length
|
|
cmp eax,[sel.begin.x]
|
|
jbe .exit
|
|
mov ecx,[sel.end.x]
|
|
cmp ecx,eax
|
|
jbe @f
|
|
mov ecx,eax
|
|
@@: sub ecx,[sel.begin.x]
|
|
sub [esi],cx
|
|
lea edi,[esi+4]
|
|
add edi,[sel.begin.x]
|
|
lea esi,[edi+ecx]
|
|
mov ecx,[cur_editor.Lines] ;! AREA_TEMP2
|
|
add ecx,[ecx-4]
|
|
sub ecx,esi
|
|
cld
|
|
rep movsb
|
|
|
|
.exit:
|
|
mov eax,[sel.begin.x]
|
|
mov [cur_editor.Caret.X],eax ;! [pos.x],eax
|
|
mov [cur_editor.SelStart.X],eax ;! [sel.x],eax
|
|
mov eax,[sel.begin.y]
|
|
mov [cur_editor.Caret.Y],eax ;! [pos.y],eax
|
|
mov [cur_editor.SelStart.Y],eax ;! [sel.y],eax
|
|
|
|
mov ecx,[cur_editor.Lines.Count]
|
|
call get_line_offset
|
|
movzx eax,word[esi]
|
|
lea esi,[esi+eax+4]
|
|
mov eax,[cur_editor.Lines]
|
|
add eax,[eax-4]
|
|
sub esi,eax
|
|
lea eax,[esi+4096]
|
|
call editor_realloc_lines
|
|
|
|
popad
|
|
mov [cur_editor.Modified],1 ;! [modified],1
|
|
clc
|
|
ret
|
|
|
|
.exit.2:
|
|
stc
|
|
ret
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
|
func get_selection_size ;/////////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
push ecx esi
|
|
mov ecx,[sel.end.y]
|
|
inc ecx
|
|
call get_line_offset
|
|
mov eax,esi
|
|
mov ecx,[sel.begin.y]
|
|
call get_line_offset
|
|
sub eax,esi
|
|
pop esi ecx
|
|
ret
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
|
func get_lines_in_file ;//////////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
; Input:
|
|
; ESI = data pointer
|
|
; ECX = data length
|
|
; Output:
|
|
; EAX = lines number
|
|
; EBX = extra length after tabs expansion
|
|
;-----------------------------------------------------------------------------
|
|
push ecx edx esi 0
|
|
or ebx,-1
|
|
xor edx,edx
|
|
.lp0: inc ebx
|
|
.lp1: dec ecx
|
|
jle .lp2
|
|
lodsb
|
|
cmp al,0
|
|
je .lp2
|
|
cmp al,9
|
|
je .TB
|
|
cmp al,10
|
|
je .LF
|
|
cmp al,13
|
|
je .CR
|
|
inc edx
|
|
jmp .lp1
|
|
.lp2: lea eax,[ebx+1]
|
|
pop ebx esi edx ecx
|
|
ret
|
|
|
|
.CR: cmp byte[esi],10
|
|
jne .LF
|
|
lodsb
|
|
.LF: xor edx,edx
|
|
jmp .lp0
|
|
.TB: and edx,00000111b
|
|
add dword[esp],ATABW
|
|
sub [esp],edx
|
|
xor edx,edx
|
|
jmp .lp1
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
|
func mem.Alloc ;//////////////////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
push ebx ecx
|
|
lea ecx,[eax+4+4095]
|
|
and ecx,not 4095
|
|
mcall 68,12
|
|
add ecx,-4
|
|
mov [eax],ecx
|
|
add eax,4
|
|
pop ecx ebx
|
|
ret
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
|
func mem.ReAlloc ;////////////////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
push ebx ecx esi edi eax
|
|
or eax,eax
|
|
jz @f
|
|
lea ecx,[ebx+4+4095]
|
|
and ecx,not 4095
|
|
add ecx,-4
|
|
cmp ecx,[eax-4]
|
|
je .exit
|
|
@@: mov eax,ebx
|
|
call mem.Alloc
|
|
xchg eax,[esp]
|
|
or eax,eax
|
|
jz .exit
|
|
mov esi,eax
|
|
xchg eax,[esp]
|
|
mov edi,eax
|
|
mov ecx,[esi-4]
|
|
cmp ecx,[edi-4]
|
|
jbe @f
|
|
mov ecx,[edi-4]
|
|
@@: add ecx,3
|
|
shr ecx,2
|
|
cld
|
|
rep movsd
|
|
xchg eax,[esp]
|
|
call mem.Free
|
|
.exit:
|
|
pop eax edi esi ecx ebx
|
|
ret
|
|
endf
|
|
|
|
;-----------------------------------------------------------------------------
|
|
func mem.Free ;///////////////////////////////////////////////////////////////
|
|
;-----------------------------------------------------------------------------
|
|
push ebx ecx
|
|
lea ecx,[eax-4]
|
|
mcall 68,13
|
|
pop ecx ebx
|
|
ret
|
|
endf
|