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

206 lines
8.5 KiB
C++

#pragma once
// ================================================================================
// CListControlOwnerData
// ================================================================================
// Forwards all list data retrieval and manipulation calls to a host object.
// Not intended for subclassing, just implement IListControlOwnerDataSource methods
// in your class.
// ================================================================================
#include "CListControlComplete.h"
class CListControlOwnerData;
class IListControlOwnerDataSource {
public:
typedef const CListControlOwnerData * ctx_t;
virtual size_t listGetItemCount( ctx_t ) = 0;
virtual pfc::string8 listGetSubItemText( ctx_t, size_t item, size_t subItem ) = 0;
virtual bool listCanReorderItems( ctx_t ) { return false; }
virtual bool listReorderItems( ctx_t, const size_t*, size_t) {return false;}
virtual bool listRemoveItems( ctx_t, pfc::bit_array const & ) {return false;}
virtual void listItemAction(ctx_t, size_t) {}
virtual void listSubItemClicked( ctx_t, size_t, size_t ) {}
virtual bool listCanSelectItem( ctx_t, size_t ) { return true; }
virtual pfc::string8 listGetEditField(ctx_t ctx, size_t item, size_t subItem, size_t & lineCount) {
lineCount = 1; return listGetSubItemText( ctx, item, subItem);
}
virtual void listSetEditField(ctx_t ctx, size_t item, size_t subItem, const char * val) {}
virtual uint32_t listGetEditFlags(ctx_t ctx, size_t item, size_t subItem) {return 0;}
typedef InPlaceEdit::CTableEditHelperV2::autoComplete_t autoComplete_t;
typedef InPlaceEdit::CTableEditHelperV2::combo_t combo_t;
virtual autoComplete_t listGetAutoComplete(ctx_t, size_t item, size_t subItem) {return autoComplete_t();}
virtual combo_t listGetCombo(ctx_t, size_t item, size_t subItem) { return combo_t(); }
virtual bool listIsColumnEditable( ctx_t, size_t ) { return false; }
virtual bool listKeyDown(ctx_t, UINT nChar, UINT nRepCnt, UINT nFlags) { return false; }
virtual bool listKeyUp(ctx_t, UINT nChar, UINT nRepCnt, UINT nFlags) { return false; }
// Allow type-find in this view?
// Called prior to a typefind pass attempt, you can either deny entirely, or prepare any necessary data and allow it.
virtual bool listAllowTypeFind( ctx_t ) { return true; }
// Allow type-find in a specific item/column?
virtual bool listAllowTypeFindHere( ctx_t, size_t item, size_t subItem ) { return true ;}
virtual void listColumnHeaderClick(ctx_t, size_t subItem) {}
virtual void listBeforeDrawItemText( ctx_t, size_t item, CDCHandle dc ) {}
virtual bool listIsSubItemGrayed(ctx_t, size_t item, size_t subItem) { return false; }
virtual void listSelChanged(ctx_t) {}
virtual void listFocusChanged(ctx_t) {}
virtual void listColumnsChanged(ctx_t) {}
virtual bool listEditCanAdvanceHere(ctx_t, size_t item, size_t subItem, uint32_t whatHappened) {(void) item; (void) subItem, (void) whatHappened; return true;}
};
class IListControlOwnerDataCells {
public:
typedef const CListControlOwnerData * cellsCtx_t;
virtual CListControl::cellType_t listCellType( cellsCtx_t, size_t item, size_t subItem ) = 0;
virtual size_t listCellSpan( cellsCtx_t, size_t item, size_t subItem ) {return 1;}
virtual bool listCellCheckState( cellsCtx_t, size_t item, size_t subItem ) {return false; }
virtual void listCellSetCheckState( cellsCtx_t, size_t item, size_t subItem, bool state ) {}
};
class CListControlOwnerData : public CListControlComplete {
IListControlOwnerDataSource * const m_host;
public:
CListControlOwnerData( IListControlOwnerDataSource * h) : m_host(h) {}
BEGIN_MSG_MAP_EX(CListControlOwnerData)
MSG_WM_KEYDOWN(OnKeyDown)
MSG_WM_KEYUP(OnKeyUp)
MSG_WM_SYSKEYDOWN(OnKeyDown)
MSG_WM_SYSKEYUP(OnKeyUp)
CHAIN_MSG_MAP(CListControlComplete)
END_MSG_MAP()
using CListControl_EditImpl::TableEdit_Abort;
using CListControl_EditImpl::TableEdit_Start;
using CListControl_EditImpl::TableEdit_IsActive;
bool CanSelectItem( size_t idx ) const override {
return m_host->listCanSelectItem( this, idx );
}
size_t GetItemCount() const override {
return m_host->listGetItemCount( this );
}
bool GetSubItemText(size_t item, size_t subItem, pfc::string_base & out) const override {
out = m_host->listGetSubItemText( this, item, subItem );
return true;
}
void OnSubItemClicked( size_t item, size_t subItem, CPoint pt ) override {
__super::OnSubItemClicked(item, subItem, pt); // needed to toggle checkboxes etc
m_host->listSubItemClicked( this, item, subItem );
}
uint32_t QueryDragDropTypes() const override {
return (m_host->listCanReorderItems(this)) ? dragDrop_reorder : 0;
}
void RequestReorder( const size_t * order, size_t count) override {
if ( ! m_host->listReorderItems( this, order, count )) return;
this->OnItemsReordered( order, count );
}
void RequestRemoveSelection() override {
auto mask = this->GetSelectionMask();
size_t oldCount = GetItemCount();
if ( ! m_host->listRemoveItems( this, mask ) ) return;
this->OnItemsRemoved( mask, oldCount );
}
void ExecuteDefaultAction( size_t idx ) override {
m_host->listItemAction( this, idx );
}
size_t EvalTypeFind() override {
if (! m_host->listAllowTypeFind(this) ) return SIZE_MAX;
return __super::EvalTypeFind();
}
bool AllowTypeFindInCell( size_t item, size_t subItem ) const {
return __super::AllowTypeFindInCell( item, subItem ) && m_host->listAllowTypeFindHere( this, item, subItem );
}
protected:
void OnFocusChanged(size_t newFocus) override {
__super::OnFocusChanged(newFocus);
m_host->listFocusChanged(this);
}
void OnSelectionChanged(pfc::bit_array const & affected, pfc::bit_array const & status) {
__super::OnSelectionChanged(affected, status);
m_host->listSelChanged(this);
}
void RenderItemText(t_size p_item,const CRect & p_itemRect,const CRect & p_updateRect,CDCHandle p_dc, bool allowColors) {
m_host->listBeforeDrawItemText(this, p_item, p_dc );
__super::RenderItemText(p_item, p_itemRect, p_updateRect, p_dc, allowColors);
}
void TableEdit_SetField(t_size item, t_size subItem, const char * value) override {
m_host->listSetEditField(this, item, subItem, value);
}
void TableEdit_GetField(t_size item, t_size subItem, pfc::string_base & out, t_size & lineCount) override {
lineCount = 1;
out = m_host->listGetEditField(this, item, subItem, lineCount);
}
t_uint32 TableEdit_GetEditFlags(t_size item, t_size subItem) const override {
return m_host->listGetEditFlags( this, item, subItem );
}
combo_t TableEdit_GetCombo(size_t item, size_t subItem) override {
return m_host->listGetCombo(this, item, subItem);
}
autoComplete_t TableEdit_GetAutoCompleteEx(t_size item, t_size subItem) override {
return m_host->listGetAutoComplete( this, item, subItem );
}
bool TableEdit_IsColumnEditable(t_size subItem) const override {
return m_host->listIsColumnEditable( this, subItem );
}
void OnColumnHeaderClick(t_size index) override {
m_host->listColumnHeaderClick(this, index);
}
void OnColumnsChanged() override {
__super::OnColumnsChanged();
m_host->listColumnsChanged(this);
}
bool IsSubItemGrayed(size_t item, size_t subItem) override {
return __super::IsSubItemGrayed(item, subItem) || m_host->listIsSubItemGrayed(this, item, subItem);
}
private:
bool TableEdit_CanAdvanceHere( size_t item, size_t subItem, uint32_t whatHappened ) const override {
return m_host->listEditCanAdvanceHere(this, item, subItem, whatHappened);
}
void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) {
bool handled = m_host->listKeyDown(this, nChar, nRepCnt, nFlags);
SetMsgHandled( !! handled );
}
void OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) {
bool handled = m_host->listKeyUp(this, nChar, nRepCnt, nFlags);
SetMsgHandled( !! handled );
}
};
class CListControlOwnerDataCells : public CListControlOwnerData {
IListControlOwnerDataCells * const m_cells;
public:
CListControlOwnerDataCells( IListControlOwnerDataSource * source, IListControlOwnerDataCells * cells ) : CListControlOwnerData(source), m_cells(cells) {}
bool GetCellTypeSupported() const override {return true; }
bool GetCellCheckState( size_t item, size_t subItem ) const override {
return m_cells->listCellCheckState( this, item, subItem );
}
void SetCellCheckState( size_t item, size_t subItem, bool value ) override {
m_cells->listCellSetCheckState( this, item, subItem, value );
__super::SetCellCheckState(item, subItem, value);
}
cellType_t GetCellType( size_t item, size_t subItem ) const override {
return m_cells->listCellType( this, item, subItem );
}
size_t GetSubItemSpan(size_t row, size_t column) const override {
return m_cells->listCellSpan( this, row, column );
}
};