mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-15 03:12:35 +03:00
47a917da42
A new component PathShow - displaying the path for the files and directories. If the entire path to display in the show area is not possible, then the path is displayed in the compressed form. git-svn-id: svn://kolibrios.org@1433 a494cfbc-eb01-0410-851d-a64ba20cac60
153 lines
4.8 KiB
Plaintext
153 lines
4.8 KiB
Plaintext
;**************************************************************
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; Path Show Macro for Kolibri OS
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; Copyright (c) 2010, Marat Zakiyanov aka Mario79, aka Mario
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; All rights reserved.
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;
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; Redistribution and use in source and binary forms, with or without
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; modification, are permitted provided that the following conditions are met:
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; * Redistributions of source code must retain the above copyright
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; notice, this list of conditions and the following disclaimer.
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; * Redistributions in binary form must reproduce the above copyright
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; notice, this list of conditions and the following disclaimer in the
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; documentation and/or other materials provided with the distribution.
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; * Neither the name of the <organization> nor the
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; names of its contributors may be used to endorse or promote products
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; derived from this software without specific prior written permission.
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;
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; THIS SOFTWARE IS PROVIDED BY Marat Zakiyanov ''AS IS'' AND ANY
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; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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; DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
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; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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;*****************************************************************************
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macro path_show_start
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{
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pusha
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mov edi,dword [esp+36]
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}
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;*****************************************************************************
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macro path_show_exit
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{
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popa
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ret 4
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}
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;*****************************************************************************
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macro use_path_show
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{
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path_show:
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ps_type equ [edi] ;dword
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ps_start_y equ [edi+4] ;word
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ps_start_x equ [edi+6] ;word
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ps_font_size_x equ [edi+8] ;word
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ps_area_size_x equ [edi+10] ;word
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ps_font_number equ [edi+12] ;dword
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ps_background_flag equ [edi+16] ;dword
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ps_font_color equ [edi+20] ;dword
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ps_background_color equ [edi+24] ;dword
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ps_text_pointer equ [edi+28] ;dword
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ps_work_area_pointer equ [edi+32] ;dword
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ps_temp_text_length equ [edi+36] ;dword
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;*****************************************************************************
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;*****************************************************************************
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; draw event
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;*****************************************************************************
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;*****************************************************************************
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.prepare:
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path_show_start
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;-------------------------------------
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mov esi,ps_text_pointer
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xor eax,eax
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xor ecx,ecx
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dec ecx
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cld
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@@:
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lodsb
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inc ecx
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test eax,eax
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jnz @b
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mov ps_temp_text_length,ecx
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movzx eax,word ps_font_size_x
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imul ecx,eax
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movzx eax,word ps_area_size_x
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cmp ecx,eax
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jae .cut
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;-------------------------------------
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mov esi,ps_text_pointer
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mov edi,ps_work_area_pointer
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xor eax,eax
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@@:
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lodsb
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stosb
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test eax,eax
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jnz @b
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jmp .exit
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;-------------------------------------
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.cut:
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; copy the first 6 characters of path
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mov esi,ps_text_pointer
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push edi
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mov edi,ps_work_area_pointer
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mov ecx,6
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rep movsb
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; insert a line break '...'
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mov al,byte '.'
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mov ecx,3
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rep stosb
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mov ecx,edi
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; calculate the display length, in characters
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pop edi
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movzx ebx,word ps_font_size_x
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movzx eax,word ps_area_size_x
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xor edx,edx
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div ebx
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sub eax,9
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; eax - maximum length of display area, the number of characters
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mov esi,ps_temp_text_length
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add esi,ps_text_pointer
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sub esi,eax
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; esi - pointer of the last segment of the displayed text
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mov edi,ecx
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mov ecx,eax
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rep movsb
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xor eax,eax
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stosb
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;-------------------------------------
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.exit:
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path_show_exit
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;*****************************************************************************
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;*****************************************************************************
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; draw event
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;*****************************************************************************
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;*****************************************************************************
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.draw:
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path_show_start
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;-------------------------------------
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mov ebx,ps_start_y
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xor ecx,ecx
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or ecx,0x80000000
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mov eax,ps_background_flag
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and eax,1b
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shl eax,30
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add ecx,eax
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mov eax,ps_font_number
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and eax,11b
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shl eax,28
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add ecx,eax
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mov eax,ps_font_color
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and eax,0xffffff
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add ecx,eax
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mov edx,ps_work_area_pointer
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mov eax,ps_background_color
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and eax,0xffffff
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xor esi,esi
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mov edi,eax
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mcall 4
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path_show_exit
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}
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;*****************************************************************************
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