add last backwards-compatible version
This commit is contained in:
193
foobar2000/helpers/listview_helper.cpp
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193
foobar2000/helpers/listview_helper.cpp
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#include "stdafx.h"
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#ifdef FOOBAR2000_DESKTOP_WINDOWS
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#include "win32_misc.h"
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#include "listview_helper.h"
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namespace listview_helper {
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unsigned insert_item(HWND p_listview,unsigned p_index,const char * p_name,LPARAM p_param)
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{
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if (p_index == ~0) p_index = ListView_GetItemCount(p_listview);
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LVITEM item = {};
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pfc::stringcvt::string_os_from_utf8 os_string_temp(p_name);
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item.mask = LVIF_TEXT | LVIF_PARAM;
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item.iItem = p_index;
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item.lParam = p_param;
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item.pszText = const_cast<TCHAR*>(os_string_temp.get_ptr());
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LRESULT ret = uSendMessage(p_listview,LVM_INSERTITEM,0,(LPARAM)&item);
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if (ret < 0) return ~0;
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else return (unsigned) ret;
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}
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unsigned insert_item2(HWND p_listview, unsigned p_index, const char * col0, const char * col1, LPARAM p_param) {
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unsigned i = insert_item( p_listview, p_index, col0, p_param );
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if (i != ~0) {
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set_item_text( p_listview, i, 1, col1 );
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}
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return i;
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}
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unsigned insert_item3(HWND p_listview, unsigned p_index, const char * col0, const char * col1, const char * col2, LPARAM p_param) {
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unsigned i = insert_item( p_listview, p_index, col0, p_param );
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if (i != ~0) {
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set_item_text( p_listview, i, 1, col1 );
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set_item_text( p_listview, i, 2, col2 );
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}
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return i;
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}
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unsigned insert_column(HWND p_listview,unsigned p_index,const char * p_name,unsigned p_width_dlu)
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{
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pfc::stringcvt::string_os_from_utf8 os_string_temp(p_name);
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RECT rect = {0,0,(LONG)p_width_dlu,0};
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MapDialogRect(GetParent(p_listview),&rect);
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LVCOLUMN data = {};
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data.mask = LVCF_TEXT | LVCF_WIDTH | LVCF_FMT;
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data.fmt = LVCFMT_LEFT;
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data.cx = rect.right;
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data.pszText = const_cast<TCHAR*>(os_string_temp.get_ptr());
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LRESULT ret = uSendMessage(p_listview,LVM_INSERTCOLUMN,p_index,(LPARAM)&data);
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if (ret < 0) return ~0;
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else return (unsigned) ret;
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}
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void get_item_text(HWND p_listview,unsigned p_index,unsigned p_column,pfc::string_base & p_out) {
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enum {buffer_length = 1024*64};
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pfc::array_t<TCHAR> buffer; buffer.set_size(buffer_length);
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ListView_GetItemText(p_listview,p_index,p_column,buffer.get_ptr(),buffer_length);
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p_out = pfc::stringcvt::string_utf8_from_os(buffer.get_ptr(),buffer_length);
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}
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bool set_item_text(HWND p_listview,unsigned p_index,unsigned p_column,const char * p_name)
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{
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LVITEM item = {};
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pfc::stringcvt::string_os_from_utf8 os_string_temp(p_name);
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item.mask = LVIF_TEXT;
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item.iItem = p_index;
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item.iSubItem = p_column;
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item.pszText = const_cast<TCHAR*>(os_string_temp.get_ptr());
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return uSendMessage(p_listview,LVM_SETITEM,0,(LPARAM)&item) ? true : false;
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}
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bool is_item_selected(HWND p_listview,unsigned p_index)
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{
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LVITEM item = {};
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item.mask = LVIF_STATE;
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item.iItem = p_index;
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item.stateMask = LVIS_SELECTED;
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if (!uSendMessage(p_listview,LVM_GETITEM,0,(LPARAM)&item)) return false;
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return (item.state & LVIS_SELECTED) ? true : false;
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}
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void set_item_selection(HWND p_listview,unsigned p_index,bool p_state)
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{
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PFC_ASSERT( ::IsWindow(p_listview) );
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LVITEM item = {};
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item.stateMask = LVIS_SELECTED;
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item.state = p_state ? LVIS_SELECTED : 0;
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WIN32_OP_D( SendMessage(p_listview,LVM_SETITEMSTATE,(WPARAM)p_index,(LPARAM)&item) );
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}
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bool select_single_item(HWND p_listview,unsigned p_index)
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{
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LRESULT temp = SendMessage(p_listview,LVM_GETITEMCOUNT,0,0);
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if (temp < 0) return false;
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ListView_SetSelectionMark(p_listview,p_index);
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unsigned n; const unsigned m = pfc::downcast_guarded<unsigned>(temp);
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for(n=0;n<m;n++) {
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enum {mask = LVIS_FOCUSED | LVIS_SELECTED};
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ListView_SetItemState(p_listview,n,n == p_index ? mask : 0, mask);
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}
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return ensure_visible(p_listview,p_index);
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}
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bool ensure_visible(HWND p_listview,unsigned p_index)
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{
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return uSendMessage(p_listview,LVM_ENSUREVISIBLE,p_index,FALSE) ? true : false;
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}
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}
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void ListView_GetContextMenuPoint(HWND p_list,LPARAM p_coords,POINT & p_point,int & p_selection) {
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POINT pt = {(short)LOWORD(p_coords),(short)HIWORD(p_coords)};
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ListView_GetContextMenuPoint(p_list, pt, p_point, p_selection);
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}
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void ListView_GetContextMenuPoint(HWND p_list,POINT p_coords,POINT & p_point,int & p_selection) {
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if (p_coords.x == -1 && p_coords.y == -1) {
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int firstsel = ListView_GetFirstSelection(p_list);
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if (firstsel >= 0) {
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ListView_EnsureVisible(p_list, firstsel, FALSE);
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RECT rect;
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WIN32_OP_D( ListView_GetItemRect(p_list,firstsel,&rect,LVIR_BOUNDS) );
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p_point.x = (rect.left + rect.right) / 2;
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p_point.y = (rect.top + rect.bottom) / 2;
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WIN32_OP_D( ClientToScreen(p_list,&p_point) );
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} else {
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RECT rect;
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WIN32_OP_D(GetClientRect(p_list,&rect));
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p_point.x = (rect.left + rect.right) / 2;
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p_point.y = (rect.top + rect.bottom) / 2;
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WIN32_OP_D(ClientToScreen(p_list,&p_point));
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}
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p_selection = firstsel;
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} else {
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POINT pt = p_coords; // {(short)LOWORD(p_coords),(short)HIWORD(p_coords)};
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p_point = pt;
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POINT client = pt;
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WIN32_OP_D( ScreenToClient(p_list,&client) );
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LVHITTESTINFO info = {};
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info.pt = client;
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p_selection = ListView_HitTest(p_list,&info);
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}
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}
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#if 0
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static bool ProbeColumn(HWND view, int index) {
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LVCOLUMN col = {LVCF_ORDER};
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return !! ListView_GetColumn(view, index, &col);
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}
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int ListView_GetColumnCount(HWND listView) {
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if (!ProbeColumn(listView, 0)) return 0;
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int hi = 1;
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for(;;) {
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if (!ProbeColumn(listView, hi)) break;
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hi <<= 1;
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if (hi <= 0) {
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PFC_ASSERT(!"Shouldn't get here!");
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return -1;
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}
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}
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int lo = hi >> 1;
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//lo is the highest known valid column, hi is the lowest known invalid, let's bsearch thru
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while(lo + 1 < hi) {
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PFC_ASSERT( lo < hi );
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const int mid = lo + (hi - lo) / 2;
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PFC_ASSERT( lo < mid && mid < hi );
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if (ProbeColumn(listView, mid)) {
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lo = mid;
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} else {
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hi = mid;
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}
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}
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return hi;
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}
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#else
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int ListView_GetColumnCount(HWND listView) {
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HWND header = ListView_GetHeader(listView);
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PFC_ASSERT(header != NULL);
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return Header_GetItemCount(header);
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}
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#endif
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#endif // FOOBAR2000_DESKTOP_WINDOWS
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