Files
foobar2000-sdk/libPPUI/listview_helper.cpp
2021-12-14 00:28:25 -07:00

285 lines
8.7 KiB
C++

#include "stdafx.h"
#include "win32_utility.h"
#include "win32_op.h"
#include "listview_helper.h"
#include "CListViewCtrlEx.h"
#include "CHeaderCtrlEx.h"
namespace listview_helper {
unsigned insert_item(HWND p_listview,unsigned p_index,const char * p_name,LPARAM p_param)
{
if (p_index == ~0) p_index = ListView_GetItemCount(p_listview);
LVITEM item = {};
pfc::stringcvt::string_os_from_utf8 os_string_temp(p_name);
item.mask = LVIF_TEXT | LVIF_PARAM;
item.iItem = p_index;
item.lParam = p_param;
item.pszText = const_cast<TCHAR*>(os_string_temp.get_ptr());
LRESULT ret = SendMessage(p_listview,LVM_INSERTITEM,0,(LPARAM)&item);
if (ret < 0) return ~0;
else return (unsigned) ret;
}
unsigned insert_item2(HWND p_listview, unsigned p_index, const char * col0, const char * col1, LPARAM p_param) {
unsigned i = insert_item( p_listview, p_index, col0, p_param );
if (i != ~0) {
set_item_text( p_listview, i, 1, col1 );
}
return i;
}
unsigned insert_item3(HWND p_listview, unsigned p_index, const char * col0, const char * col1, const char * col2, LPARAM p_param) {
unsigned i = insert_item( p_listview, p_index, col0, p_param );
if (i != ~0) {
set_item_text( p_listview, i, 1, col1 );
set_item_text( p_listview, i, 2, col2 );
}
return i;
}
unsigned insert_column(HWND p_listview,unsigned p_index,const char * p_name,unsigned p_width_dlu)
{
pfc::stringcvt::string_os_from_utf8 os_string_temp(p_name);
RECT rect = {0,0,(LONG)p_width_dlu,0};
MapDialogRect(GetParent(p_listview),&rect);
LVCOLUMN data = {};
data.mask = LVCF_TEXT | LVCF_WIDTH | LVCF_FMT;
data.fmt = LVCFMT_LEFT;
data.cx = rect.right;
data.pszText = const_cast<TCHAR*>(os_string_temp.get_ptr());
LRESULT ret = SendMessage(p_listview,LVM_INSERTCOLUMN,p_index,(LPARAM)&data);
if (ret < 0) return UINT_MAX;
else return (unsigned) ret;
}
void get_item_text(HWND p_listview,unsigned p_index,unsigned p_column,pfc::string_base & p_out) {
enum {buffer_length = 1024*64};
pfc::array_t<TCHAR> buffer; buffer.set_size(buffer_length);
ListView_GetItemText(p_listview,p_index,p_column,buffer.get_ptr(),buffer_length);
p_out = pfc::stringcvt::string_utf8_from_os(buffer.get_ptr(),buffer_length);
}
bool set_item_text(HWND p_listview,unsigned p_index,unsigned p_column,const char * p_name)
{
LVITEM item = {};
pfc::stringcvt::string_os_from_utf8 os_string_temp(p_name);
item.mask = LVIF_TEXT;
item.iItem = p_index;
item.iSubItem = p_column;
item.pszText = const_cast<TCHAR*>(os_string_temp.get_ptr());
return SendMessage(p_listview,LVM_SETITEM,0,(LPARAM)&item) ? true : false;
}
bool is_item_selected(HWND p_listview,unsigned p_index)
{
LVITEM item = {};
item.mask = LVIF_STATE;
item.iItem = p_index;
item.stateMask = LVIS_SELECTED;
if (!SendMessage(p_listview,LVM_GETITEM,0,(LPARAM)&item)) return false;
return (item.state & LVIS_SELECTED) ? true : false;
}
void set_item_selection(HWND p_listview,unsigned p_index,bool p_state)
{
PFC_ASSERT( ::IsWindow(p_listview) );
LVITEM item = {};
item.stateMask = LVIS_SELECTED;
item.state = p_state ? LVIS_SELECTED : 0;
WIN32_OP_D( SendMessage(p_listview,LVM_SETITEMSTATE,(WPARAM)p_index,(LPARAM)&item) );
}
bool select_single_item(HWND p_listview,unsigned p_index)
{
LRESULT temp = SendMessage(p_listview,LVM_GETITEMCOUNT,0,0);
if (temp < 0) return false;
ListView_SetSelectionMark(p_listview,p_index);
unsigned n; const unsigned m = pfc::downcast_guarded<unsigned>(temp);
for(n=0;n<m;n++) {
enum {mask = LVIS_FOCUSED | LVIS_SELECTED};
ListView_SetItemState(p_listview,n,n == p_index ? mask : 0, mask);
}
return ensure_visible(p_listview,p_index);
}
bool ensure_visible(HWND p_listview,unsigned p_index)
{
return SendMessage(p_listview,LVM_ENSUREVISIBLE,p_index,FALSE) ? true : false;
}
}
void ListView_GetContextMenuPoint(HWND p_list,LPARAM p_coords,POINT & p_point,int & p_selection) {
POINT pt = {(short)LOWORD(p_coords),(short)HIWORD(p_coords)};
ListView_GetContextMenuPoint(p_list, pt, p_point, p_selection);
}
void ListView_GetContextMenuPoint(HWND p_list,POINT p_coords,POINT & p_point,int & p_selection) {
if (p_coords.x == -1 && p_coords.y == -1) {
int firstsel = ListView_GetFirstSelection(p_list);
if (firstsel >= 0) {
ListView_EnsureVisible(p_list, firstsel, FALSE);
RECT rect;
WIN32_OP_D( ListView_GetItemRect(p_list,firstsel,&rect,LVIR_BOUNDS) );
p_point.x = (rect.left + rect.right) / 2;
p_point.y = (rect.top + rect.bottom) / 2;
WIN32_OP_D( ClientToScreen(p_list,&p_point) );
} else {
RECT rect;
WIN32_OP_D(GetClientRect(p_list,&rect));
p_point.x = (rect.left + rect.right) / 2;
p_point.y = (rect.top + rect.bottom) / 2;
WIN32_OP_D(ClientToScreen(p_list,&p_point));
}
p_selection = firstsel;
} else {
POINT pt = p_coords; // {(short)LOWORD(p_coords),(short)HIWORD(p_coords)};
p_point = pt;
POINT client = pt;
WIN32_OP_D( ScreenToClient(p_list,&client) );
LVHITTESTINFO info = {};
info.pt = client;
p_selection = ListView_HitTest(p_list,&info);
}
}
int ListView_GetColumnCount(HWND listView) {
HWND header = ListView_GetHeader(listView);
PFC_ASSERT(header != NULL);
return Header_GetItemCount(header);
}
void ListView_FixContextMenuPoint(CListViewCtrl list, CPoint & coords) {
if (coords == CPoint(-1, -1)) {
int selWalk = -1;
CRect rcClient; WIN32_OP_D(list.GetClientRect(rcClient));
for (;;) {
selWalk = list.GetNextItem(selWalk, LVNI_SELECTED);
if (selWalk < 0) {
CRect rc;
WIN32_OP_D(list.GetWindowRect(&rc));
coords = rc.CenterPoint();
return;
}
CRect rcItem, rcVisible;
WIN32_OP_D(list.GetItemRect(selWalk, &rcItem, LVIR_BOUNDS));
if (rcVisible.IntersectRect(rcItem, rcClient)) {
coords = rcVisible.CenterPoint();
WIN32_OP_D(list.ClientToScreen(&coords));
return;
}
}
}
}
unsigned CListViewCtrlEx::GetColunnCount() {
return (unsigned) ListView_GetColumnCount( *this );
}
unsigned CListViewCtrlEx::AddColumnEx(const wchar_t * name, unsigned widthDLU) {
return InsertColumnEx( GetColunnCount(), name, widthDLU );
}
unsigned CListViewCtrlEx::InsertColumnEx(unsigned index, const wchar_t * name, unsigned widthDLU) {
RECT rect = { 0,0,(LONG)widthDLU,0 };
MapDialogRect(GetParent(), &rect);
LVCOLUMN data = {};
data.mask = LVCF_TEXT | LVCF_WIDTH | LVCF_FMT;
data.fmt = LVCFMT_LEFT;
data.cx = rect.right;
data.pszText = const_cast<wchar_t*>(name);
auto ret = this->InsertColumn(index, & data );
if (ret < 0) return UINT_MAX;
else return (unsigned)ret;
}
void CListViewCtrlEx::FixContextMenuPoint(CPoint & pt) {
ListView_FixContextMenuPoint(*this, pt);
}
unsigned CListViewCtrlEx::InsertString(unsigned index, const wchar_t * str) {
LVITEM item = {};
item.mask = LVIF_TEXT;
item.iItem = index;
item.pszText = const_cast<wchar_t*>(str);
auto ret = InsertItem(&item);
if ( ret < 0 ) return UINT_MAX;
else return (unsigned) ret;
}
unsigned CListViewCtrlEx::InsertString8(unsigned index, const char * str) {
return InsertString(index, pfc::stringcvt::string_os_from_utf8( str ) );
}
unsigned CListViewCtrlEx::AddString(const wchar_t * str) {
return InsertString(GetItemCount(), str);
}
unsigned CListViewCtrlEx::AddString8(const char * str) {
return AddString(pfc::stringcvt::string_os_from_utf8( str ) );
}
void CListViewCtrlEx::SetItemText(unsigned iItem, unsigned iSubItem, const wchar_t * str) {
LVITEM item = {};
item.mask = LVIF_TEXT;
item.iItem = iItem;
item.iSubItem = iSubItem;
item.pszText = const_cast<wchar_t*>(str);
SetItem(&item);
}
void CListViewCtrlEx::SetItemText8(unsigned item, unsigned subItem, const char * str) {
SetItemText( item, subItem, pfc::stringcvt::string_os_from_utf8( str ) );
}
DWORD CHeaderCtrlEx::GetItemFormat(int iItem) {
HDITEM item = {};
item.mask = HDI_FORMAT;
if (!this->GetItem(iItem, &item)) return 0;
return item.fmt;
}
void CHeaderCtrlEx::SetItemFormat(int iItem, DWORD flags) {
HDITEM item = {};
item.mask = HDI_FORMAT;
item.fmt = flags;
SetItem(iItem, &item);
}
void CHeaderCtrlEx::SetItemSort(int iItem, int direction) {
DWORD fmtWas = GetItemFormat(iItem);
DWORD fmt = fmtWas & ~(HDF_SORTDOWN | HDF_SORTUP);
if (direction > 0) fmt |= HDF_SORTDOWN;
else if (direction < 0) fmt |= HDF_SORTUP;
if (fmt != fmtWas) SetItemFormat(iItem, fmt);
}
void CHeaderCtrlEx::SetSingleItemSort(int iItem, int direction) {
const int total = GetItemCount();
for (int walk = 0; walk < total; ++walk) {
SetItemSort(walk, walk == iItem ? direction : 0);
}
}
void CHeaderCtrlEx::ClearSort() {
SetSingleItemSort(-1,0);
}
int CListViewCtrlEx::AddGroup(int iGroupID, const wchar_t * header) {
LVGROUP g = { sizeof(g) };
g.mask = LVGF_HEADER | LVGF_GROUPID;
g.pszHeader = const_cast<wchar_t*>( header );
g.iGroupId = iGroupID;
return __super::AddGroup(&g);
}