Files
foobar2000-sdk/libPPUI/CListControlSimple.h
2021-12-14 00:28:25 -07:00

138 lines
3.7 KiB
C++

#pragma once
// ================================================================================
// CListControlSimple
// Simplified CListControl interface; a ready-to-use class that can be instantiated
// without subclassing.
// Use when you don't need advanced features such as buttons or editing.
// Maintains its own data.
// ================================================================================
#include "CListControlComplete.h"
#include <functional>
#include <vector>
#include <map>
#include <string>
class CListControlSimple : public CListControlReadOnly {
public:
// Events
std::function<void()> onReordered; // if not set, list reordering is disabled
std::function<void()> onRemoved; // if not set, list item removal is disabled
std::function<void(size_t)> onItemAction;
std::function<void()> onSelChange;
size_t GetItemCount() const override {
return m_lines.size();
}
void SetItemCount( size_t count ) {
m_lines.resize( count );
ReloadData();
}
void SetItemText(size_t item, size_t subItem, const char * text, bool bRedraw = true) {
if ( item < m_lines.size() ) {
m_lines[item].text[subItem] = text;
if ( bRedraw ) ReloadItem( item );
}
}
bool GetSubItemText(size_t item, size_t subItem, pfc::string_base & out) const override {
if ( item < m_lines.size() ) {
auto & l = m_lines[item].text;
auto iter = l.find( subItem );
if ( iter != l.end() ) {
out = iter->second.c_str();
return true;
}
}
return false;
}
uint32_t QueryDragDropTypes() const override {
return (onReordered != nullptr) ? dragDrop_reorder : 0;
}
void RequestReorder( const size_t * order, size_t count) override {
if ( onReordered == nullptr ) return;
pfc::reorder_t( m_lines, order, count );
this->OnItemsReordered( order, count );
onReordered();
}
void RequestRemoveSelection() override {
if (onRemoved == nullptr) return;
auto mask = this->GetSelectionMask();
size_t oldCount = m_lines.size();
pfc::remove_mask_t( m_lines, mask );
this->OnItemsRemoved( mask, oldCount );
onRemoved();
}
void ExecuteDefaultAction( size_t idx ) override {
if (onItemAction != nullptr) onItemAction(idx);
}
void SetItemUserData( size_t item, size_t user ) {
if ( item < m_lines.size() ) {
m_lines[item].user = user;
}
}
size_t GetItemUserData( size_t item ) const {
size_t ret = 0;
if ( item < m_lines.size() ) {
ret = m_lines[item].user;
}
return ret;
}
void RemoveAllItems() {
RemoveItems(pfc::bit_array_true());
}
void RemoveItems( pfc::bit_array const & mask ) {
const auto oldCount = m_lines.size();
pfc::remove_mask_t( m_lines, mask );
this->OnItemsRemoved( mask, oldCount );
}
void RemoveItem( size_t which ) {
RemoveItems( pfc::bit_array_one( which ) );
}
size_t InsertItem( size_t insertAt, const char * textCol0 = nullptr ) {
if ( insertAt > m_lines.size() ) {
insertAt = m_lines.size();
}
{
line_t data;
if ( textCol0 != nullptr ) data.text[0] = textCol0;
m_lines.insert( m_lines.begin() + insertAt, std::move(data) );
}
this->OnItemsInserted( insertAt, 1, false );
return insertAt;
}
size_t AddItem( const char * textCol0 = nullptr ) {
return InsertItem( SIZE_MAX, textCol0 );
}
size_t InsertItems( size_t insertAt, size_t count ) {
if ( insertAt > m_lines.size() ) {
insertAt = m_lines.size();
}
{
line_t val;
m_lines.insert( m_lines.begin(), count, val );
}
this->OnItemsInserted( insertAt, count, false );
return insertAt;
}
protected:
void OnSelectionChanged(pfc::bit_array const & affected, pfc::bit_array const & status) {
__super::OnSelectionChanged(affected, status);
if ( onSelChange ) onSelChange();
}
private:
struct line_t {
std::map<size_t, std::string> text;
size_t user = 0;
};
std::vector<line_t> m_lines;
};