reactos/rosapps/winfile/entries.c

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/*
* ReactOS winfile
*
* entries.c
*
* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef _MSC_VER
#include "stdafx.h"
#else
#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
#include <windows.h>
#include <commctrl.h>
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include <tchar.h>
#include <process.h>
#include <stdio.h>
#endif
#include <windowsx.h>
#include "main.h"
#include "entries.h"
#include "utils.h"
Entry* find_entry_win(Entry* parent, LPCTSTR name)
{
Entry* entry;
for(entry=parent->down; entry; entry=entry->next) {
LPCTSTR p = name;
LPCTSTR q = entry->data.cFileName;
do {
if (!*p || *p==_T('\\') || *p==_T('/'))
return entry;
} while(tolower(*p++) == tolower(*q++));
p = name;
q = entry->data.cAlternateFileName;
do {
if (!*p || *p==_T('\\') || *p==_T('/'))
return entry;
} while(tolower(*p++) == tolower(*q++));
}
return 0;
}
Entry* read_tree_win(Root* root, LPCTSTR path, int sortOrder)
{
TCHAR buffer[MAX_PATH];
Entry* entry = &root->entry;
LPCTSTR s = path;
PTSTR d = buffer;
#ifndef _NO_EXTENSIONS
entry->unix_dir = FALSE;
#endif
while(entry) {
while(*s && *s!=_T('\\') && *s!=_T('/'))
*d++ = *s++;
while(*s==_T('\\') || *s==_T('/'))
s++;
*d++ = _T('\\');
*d = _T('\0');
read_directory(entry, buffer, sortOrder);
if (entry->down)
entry->expanded = TRUE;
if (!*s)
break;
entry = find_entry_win(entry, s);
}
return entry;
}
#if !defined(_NO_EXTENSIONS) && defined(__linux__)
static Entry* find_entry_unix(Entry* parent, LPCTSTR name)
{
Entry* entry;
for(entry=parent->down; entry; entry=entry->next) {
LPCTSTR p = name;
LPCTSTR q = entry->data.cFileName;
do {
if (!*p || *p==_T('/'))
return entry;
} while(*p++ == *q++);
}
return 0;
}
static Entry* read_tree_unix(Root* root, LPCTSTR path, int sortOrder)
{
TCHAR buffer[MAX_PATH];
Entry* entry = &root->entry;
LPCTSTR s = path;
PTSTR d = buffer;
entry->unix_dir = TRUE;
while(entry) {
while(*s && *s!=_T('/'))
*d++ = *s++;
while(*s == _T('/'))
s++;
*d++ = _T('/');
*d = _T('\0');
read_directory(entry, buffer, sortOrder);
if (entry->down)
entry->expanded = TRUE;
if (!*s)
break;
entry = find_entry_unix(entry, s);
}
return entry;
}
#endif
// recursively free all child entries
void free_entries(Entry* parent)
{
Entry *entry, *next=parent->down;
if (next) {
parent->down = 0;
do {
entry = next;
next = entry->next;
free_entries(entry);
free(entry);
} while(next);
}
}
// insert listbox entries after index idx
void insert_entries(Pane* pane, Entry* parent, int idx)
{
Entry* entry = parent;
if (!entry)
return;
ShowWindow(pane->hWnd, SW_HIDE);
for(; entry; entry=entry->next) {
#ifndef _LEFT_FILES
if (pane->treePane && !(entry->data.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY))
continue;
#endif
// don't display entries "." and ".." in the left pane
if (pane->treePane && (entry->data.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)
&& entry->data.cFileName[0]==_T('.'))
if (
#ifndef _NO_EXTENSIONS
entry->data.cFileName[1]==_T('\0') ||
#endif
(entry->data.cFileName[1]==_T('.') && entry->data.cFileName[2]==_T('\0')))
continue;
if (idx != -1)
idx++;
ListBox_InsertItemData(pane->hWnd, idx, entry);
if (pane->treePane && entry->expanded)
insert_entries(pane, entry->down, idx);
}
ShowWindow(pane->hWnd, SW_SHOW);
}
void scan_entry(ChildWnd* child, Entry* entry)
{
TCHAR path[MAX_PATH];
int idx = ListBox_GetCurSel(child->left.hWnd);
HCURSOR crsrOld = SetCursor(LoadCursor(0, IDC_WAIT));
// delete sub entries in left pane
for(;;) {
LRESULT res = ListBox_GetItemData(child->left.hWnd, idx+1);
Entry* sub = (Entry*) res;
if (res==LB_ERR || !sub || sub->level<=entry->level)
break;
ListBox_DeleteString(child->left.hWnd, idx+1);
}
// empty right pane
ListBox_ResetContent(child->right.hWnd);
// release memory
free_entries(entry);
// read contents from disk
get_path(entry, path);
read_directory(entry, path, child->sortOrder);
// insert found entries in right pane
insert_entries(&child->right, entry->down, -1);
calc_widths(&child->right, FALSE);
#ifndef _NO_EXTENSIONS
set_header(&child->right);
#endif
child->header_wdths_ok = FALSE;
SetCursor(crsrOld);
}
// expand a directory entry
BOOL expand_entry(ChildWnd* child, Entry* dir)
{
int idx;
Entry* p;
if (!dir || dir->expanded || !dir->down)
return FALSE;
p = dir->down;
if (p->data.cFileName[0]=='.' && p->data.cFileName[1]=='\0' && p->next) {
p = p->next;
if (p->data.cFileName[0]=='.' && p->data.cFileName[1]=='.' &&
p->data.cFileName[2]=='\0' && p->next)
p = p->next;
}
// no subdirectories ?
if (!(p->data.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY))
return FALSE;
idx = ListBox_FindItemData(child->left.hWnd, 0, dir);
dir->expanded = TRUE;
// insert entries in left pane
insert_entries(&child->left, p, idx);
if (!child->header_wdths_ok) {
if (calc_widths(&child->left, FALSE)) {
#ifndef _NO_EXTENSIONS
set_header(&child->left);
#endif
child->header_wdths_ok = TRUE;
}
}
return TRUE;
}
void collapse_entry(Pane* pane, Entry* dir)
{
int idx = ListBox_FindItemData(pane->hWnd, 0, dir);
ShowWindow(pane->hWnd, SW_HIDE);
// hide sub entries
for(;;) {
LRESULT res = ListBox_GetItemData(pane->hWnd, idx+1);
Entry* sub = (Entry*) res;
if (res==LB_ERR || !sub || sub->level<=dir->level)
break;
ListBox_DeleteString(pane->hWnd, idx+1);
}
dir->expanded = FALSE;
ShowWindow(pane->hWnd, SW_SHOW);
}
void activate_entry(ChildWnd* child, Pane* pane)
{
Entry* entry = pane->cur;
if (!entry)
return;
if (entry->data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
int scanned_old = entry->scanned;
if (!scanned_old)
scan_entry(child, entry);
#ifndef _NO_EXTENSIONS
if (entry->data.cFileName[0]=='.' && entry->data.cFileName[1]=='\0')
return;
#endif
if (entry->data.cFileName[0]=='.' && entry->data.cFileName[1]=='.' && entry->data.cFileName[2]=='\0') {
entry = child->left.cur->up;
collapse_entry(&child->left, entry);
goto focus_entry;
} else if (entry->expanded)
collapse_entry(pane, child->left.cur);
else {
expand_entry(child, child->left.cur);
if (!pane->treePane) focus_entry: {
int idx = ListBox_FindItemData(child->left.hWnd, ListBox_GetCurSel(child->left.hWnd), entry);
ListBox_SetCurSel(child->left.hWnd, idx);
set_curdir(child, entry);
}
}
if (!scanned_old) {
calc_widths(pane, FALSE);
#ifndef _NO_EXTENSIONS
set_header(pane);
#endif
}
} else {
//TODO: start program, open document...
}
}