Files
foobar2000-sdk/foobar2000/SDK/ui.cpp
2021-12-14 00:28:25 -07:00

103 lines
3.3 KiB
C++

#include "foobar2000.h"
bool ui_drop_item_callback::g_on_drop(interface IDataObject * pDataObject)
{
service_enum_t<ui_drop_item_callback> e;
service_ptr_t<ui_drop_item_callback> ptr;
if (e.first(ptr)) do {
if (ptr->on_drop(pDataObject)) return true;
} while(e.next(ptr));
return false;
}
bool ui_drop_item_callback::g_is_accepted_type(interface IDataObject * pDataObject, DWORD * p_effect)
{
service_enum_t<ui_drop_item_callback> e;
service_ptr_t<ui_drop_item_callback> ptr;
if (e.first(ptr)) do {
if (ptr->is_accepted_type(pDataObject,p_effect)) return true;
} while(e.next(ptr));
return false;
}
bool user_interface::g_find(service_ptr_t<user_interface> & p_out,const GUID & p_guid)
{
service_enum_t<user_interface> e;
service_ptr_t<user_interface> ptr;
if (e.first(ptr)) do {
if (ptr->get_guid() == p_guid)
{
p_out = ptr;
return true;
}
} while(e.next(ptr));
return false;
}
// ui_edit_context.h code
void ui_edit_context::select_all() { update_selection(pfc::bit_array_true(), pfc::bit_array_true()); }
void ui_edit_context::select_none() { update_selection(pfc::bit_array_true(), pfc::bit_array_false()); }
void ui_edit_context::get_selected_items(metadb_handle_list_ref out) { pfc::bit_array_bittable mask(get_item_count()); get_selection_mask(mask); get_items(out, mask); }
void ui_edit_context::remove_selection() { pfc::bit_array_bittable mask(get_item_count()); get_selection_mask(mask); remove_items(mask); }
void ui_edit_context::crop_selection() { pfc::bit_array_bittable mask(get_item_count()); get_selection_mask(mask); remove_items(pfc::bit_array_not(mask)); }
void ui_edit_context::clear() { remove_items(pfc::bit_array_true()); }
void ui_edit_context::get_all_items(metadb_handle_list_ref out) { get_items(out, pfc::bit_array_true()); }
void ui_edit_context::get_selection_mask(pfc::bit_array_var & out) {
const t_size count = get_item_count(); for (t_size walk = 0; walk < count; ++walk) out.set(walk, is_item_selected(walk));
}
t_size ui_edit_context::get_selection_count(t_size max) {
t_size count = 0;
const t_size total = get_item_count();
for (t_size walk = 0; walk < total && count < max; ++walk) if (is_item_selected(walk)) ++count;
return count;
}
void ui_edit_context::sort_by_format(const char * spec, bool onlySelection) {
const t_size count = get_item_count();
pfc::array_t<t_size> order; order.set_size(count);
pfc::array_t<t_size> sel_map;
if (onlySelection) {
sel_map.set_size(count);
t_size sel_count = 0;
for (t_size n = 0; n<count; n++) if (is_item_selected(n)) sel_map[sel_count++] = n;
sel_map.set_size(sel_count);
}
{
metadb_handle_list temp;
pfc::array_t<t_size> order_temp;
if (onlySelection) {
get_selected_items(temp);
order_temp.set_size(count);
} else {
get_all_items(temp);
}
if (spec != NULL) {
temp.sort_by_format_get_order(onlySelection ? order_temp.get_ptr() : order.get_ptr(), spec, 0);
} else {
auto api = genrand_service::get(); api->seed((unsigned)__rdtsc());
api->generate_random_order(onlySelection ? order_temp.get_ptr() : order.get_ptr(), temp.get_count());
}
if (onlySelection) {
t_size n, ptr;
for (n = 0, ptr = 0; n<count; n++) {
if (!is_item_selected(n)) {
order[n] = n;
} else {
t_size v = order_temp[ptr++];
order[n] = sel_map[v];
}
}
}
}
reorder_items(order.get_ptr(), count);
}