// Display a buffer in a lister
// Called from LISTER PROCESS
void lister_show_buffer(Lister *lister,DirBuffer *buffer,int show,BOOL active)
{
// Different to current buffer?
if (lister->cur_buffer!=buffer)
{
// End a direct edit
lister_end_edit(lister,0);
// Clear lock pointer in current buffer
buffer_clear_lock(lister->cur_buffer,0);
// Free icons
backdrop_free_list(lister->backdrop_info);
// Store new buffer pointer
lister->cur_buffer=buffer;
buffer->buf_CurrentLister=lister;
// Remove buffer and add to head of list
Remove(&buffer->node);
AddHead(&GUI->buffer_list.list,&buffer->node);
// See if buffer needs to be resorted
lister_resort(lister,0);
// Clear save status flag
lister->flags&=~LISTERF_SAVE_STATUS;
// Does new buffer have a custom handler?
if (lister->cur_buffer->buf_CustomHandler[0] && active)
{
// Send active message
buffer_active(lister->cur_buffer,0);
}
// Add to history list
lister_add_history(lister);
}
// Initialise path field
if (show && lister_valid_window(lister))
{
// Is volume present?
if (!lister->cur_buffer->buf_CustomHandler[0] &&
VolumePresent(buffer))
{
BPTR lock;
struct FileInfoBlock __aligned fib;
// Lock path
if (lock=Lock(buffer->buf_Path,ACCESS_READ))
{
// Store full path
NameFromLock(lock,buffer->buf_ExpandedPath,512);
AddPart(buffer->buf_ExpandedPath,"",512);
// Examine object
Examine(lock,&fib);
UnLock(lock);
// Save object name
if (fib.fib_FileName[0])
strcpy(buffer->buf_ObjectName,fib.fib_FileName);
else
{
if (buffer->flags&DWF_ROOT)
{
char *ptr;
stccpy(buffer->buf_ObjectName,buffer->buf_ExpandedPath,GUI->def_filename_length-1);
if (ptr=strchr(buffer->buf_ObjectName,':')) *ptr=0;
}
else stccpy(buffer->buf_ObjectName,FilePart(buffer->buf_ExpandedPath),GUI->def_filename_length-1);
}
}
// Failed to lock
else strcpy(buffer->buf_ExpandedPath,buffer->buf_Path);
// Update disk name and size
lister_update_name(lister);
}
// No, refresh disk name from buffer
else lister_show_name(lister);
// Not showing icons?
if (!(lister->flags&LISTERF_VIEW_ICONS) || lister->flags&LISTERF_ICON_ACTION)
{
// Update path field
lister_update_pathfield(lister);
// Refresh window
lister_refresh_display(lister,REFRESHF_SLIDERS|REFRESHF_STATUS|REFRESHF_CLEAR_ICONS);
// Show selection information
select_show_info(lister,1);
}
}
}
// Fix menu ghosting for a lister
void lister_fix_menus(Lister *lister,BOOL sel_only)
{
struct MenuItem *item;
struct Menu *menu;
BOOL busy=0,icon=0,action=0,sel=0;
short a;
// Get menu pointer
if (!lister_valid_window(lister) || !(menu=lister->window->MenuStrip))
return;
// Clear menu strip
ClearMenuStrip(lister->window);
// Get flags
if (lister->flags&LISTERF_LOCK) busy=1;
if (lister->flags&LISTERF_VIEW_ICONS) icon=1;
if (lister->flags&LISTERF_ICON_ACTION) action=1;
// In icon mode?
if (icon)
{
BackdropObject *icon;
// Lock icon list
lock_listlock(&lister->backdrop_info->objects,FALSE);
// Go through list
for (icon=(BackdropObject *)lister->backdrop_info->objects.list.lh_Head;
icon->node.ln_Succ;
icon=(BackdropObject *)icon->node.ln_Succ)
{
// Something selected?
if (icon->state)
{
// Set flag and break
sel=1;
break;
}
}
// Unlock icon list
unlock_listlock(&lister->backdrop_info->objects);
}
/*
// Text mode
else
{
// Anything selected?
if (lister->cur_buffer->buf_SelectedFiles[0]>0 ||
lister->cur_buffer->buf_SelectedDirs[0]>0) sel=1;
}
*/
// Not just doing things dependant on selected icon?
if (!sel_only)
{
// Show as name (set)
if ((item=find_menu_item(menu,MENU_LISTER_VIEW_NAME))) {
set_item(item,!icon);
}
// Show as icon (set)
if ((item=find_menu_item(menu,MENU_LISTER_VIEW_ICON))) {
set_item(item,icon && !action);
}
// Icon action (set)
if ((item=find_menu_item(menu,MENU_LISTER_ICON_ACTION))) {
set_item(item,icon && action);
}
// Show all
if ((item=find_menu_item(menu,MENU_LISTER_SHOW_ALL))) {
set_item(item,icon && lister->flags&LISTERF_SHOW_ALL);
}
// Close (disabled when busy)
if ((item=find_menu_item(menu,MENU_LISTER_CLOSE))) {
off_item(item,busy);
}
// Lister states (disabled when busy, or in icon - not action - mode)
for (a=MENU_LISTER_SOURCE;a<=MENU_LISTER_OFF;a++)
{
// Find item
if ((item=find_menu_item(menu,a))) {
off_item(item,busy || (icon && !action));
}
}
// Edit (disabled when busy or in icon mode)
if ((item=find_menu_item(menu,MENU_EDIT_LISTER))) {
off_item(item,busy || icon);
}
// New drawer (disabled when busy)
if ((item=find_menu_item(menu,MENU_ICON_MAKEDIR))) {
off_item(item,busy);
}
// Snapshot (disabled when busy)
if ((item=find_menu_item(menu,MENU_ICON_SNAPSHOT))) {
off_item(item,busy);
}
// Select all (disabled when busy)
if ((item=find_menu_item(menu,MENU_ICON_SELECT_ALL))) {
off_item(item,busy);
}
// Clean up (disabled when busy or not in icon mode)
if ((item=find_menu_item(menu,MENU_ICON_CLEANUP))) {
off_item(item,busy || !icon);
}
// Open parent (disabled when there's no parent)
if ((item=find_menu_item(menu,MENU_OPEN_PARENT)))
{
BOOL dis=0;
// Does path end in a colon?
if (lister->cur_buffer->buf_Path[strlen(lister->cur_buffer->buf_Path)-1]==':')
dis=1;
// Do disable
off_item(item,dis);
}
}
// Open icon (disabled when busy or nothing selected)
if ((item=find_menu_item(menu,MENU_ICON_OPEN))) {
off_item(item,busy || !sel);
}
// Information (disabled when busy or nothing selected)
if ((item=find_menu_item(menu,MENU_ICON_INFO))) {
off_item(item,busy || !sel);
}
// Snapshot icon (disabled when nothing selected)
if ((item=find_menu_item(menu,MENU_ICON_SNAPSHOT_ICON))) {
off_item(item,!sel);
}
// Unsnapshot (disabled when busy or nothing selected)
if ((item=find_menu_item(menu,MENU_ICON_UNSNAPSHOT))) {
off_item(item,busy || !sel);
}
// Leave out (disabled when busy or nothing selected in icon mode)
if ((item=find_menu_item(menu,MENU_ICON_LEAVE_OUT))) {
off_item(item,busy || (!sel && icon));
}
// Rename (disabled when busy or nothing selected in icon mode)
if ((item=find_menu_item(menu,MENU_ICON_RENAME))) {
off_item(item,busy || (!sel && icon));
}
// Delete (disabled when busy or nothing selected in icon mode)
if ((item=find_menu_item(menu,MENU_ICON_DELETE))) {
off_item(item,busy || (!sel && icon));
}
// Reset menu strip
ResetMenuStrip(lister->window,menu);
}
