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comparison foosdk/sdk/foobar2000/foo_sample/listcontrol-ownerdata.cpp @ 1:20d02a178406 default tip

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*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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0:e9bb126753e7 1:20d02a178406
1 #include "stdafx.h"
2
3 // Owner-data CListControl use demo
4 // CListControlOwnerData with callbacks
5
6 #include "stdafx.h"
7 #include "resource.h"
8 #include <helpers/atl-misc.h>
9 #include <libPPUI/CListControlOwnerData.h>
10 #include <string>
11 #include <algorithm>
12 #include <vector>
13
14 #include <helpers/DarkMode.h>
15
16 namespace {
17 struct listData_t {
18 std::string m_key, m_value;
19 };
20 static std::vector<listData_t> makeListData() {
21 std::vector<listData_t> data;
22 data.resize( 10 );
23 for( size_t walk = 0; walk < data.size(); ++ walk ) {
24 auto & rec = data[walk];
25 rec.m_key = (PFC_string_formatter() << "Item #" << (walk+1) ).c_str();
26 rec.m_value = "edit me";
27 }
28 return data;
29 }
30
31
32 class CListControlOwnerDataDemoDialog : public CDialogImpl<CListControlOwnerDataDemoDialog>, private IListControlOwnerDataSource {
33 public:
34
35 // CListControlOwnerData constructor requires ptr to IListControlOwnerDataSource object
36 CListControlOwnerDataDemoDialog() : m_list(this) {}
37
38 enum { IDD = IDD_LISTCONTROL_DEMO };
39
40 BEGIN_MSG_MAP_EX(CListControlOwnerDataDemoDialog)
41 MSG_WM_INITDIALOG(OnInitDialog)
42 COMMAND_HANDLER_EX(IDCANCEL, BN_CLICKED, OnCancel)
43 MSG_WM_CONTEXTMENU(OnContextMenu)
44 END_MSG_MAP()
45 private:
46 void OnCancel(UINT, int, CWindow) {
47 DestroyWindow();
48 }
49
50 BOOL OnInitDialog(CWindow, LPARAM) {
51
52 // Create replacing existing windows list control
53 // automatically initialize position, font, etc
54 m_list.CreateInDialog( *this, IDC_LIST1 );
55
56 // Do this AFTER creating CListControl, so dark mode hook talks to new CListControl rather than shortlived IDC_LIST1 placeholder
57 m_dark.AddDialogWithControls(*this);
58
59 // never hardcode values in pixels, always use screen DPI
60 auto DPI = m_list.GetDPI();
61 m_list.AddColumn( "Name", MulDiv(100, DPI.cx, 96 ) );
62 m_list.AddColumn( "Value", MulDiv(150, DPI.cx, 96 ) );
63
64 ShowWindow(SW_SHOW);
65
66 return TRUE; // system should set focus
67 }
68
69 // Context menu handler
70 void OnContextMenu(CWindow wnd, CPoint point) {
71 // did we get a (-1,-1) point due to context menu key rather than right click?
72 // GetContextMenuPoint fixes that, returning a proper point at which the menu should be shown
73 point = m_list.GetContextMenuPoint(point);
74
75 CMenu menu;
76 // WIN32_OP_D() : debug build only return value check
77 // Used to check for obscure errors in debug builds, does nothing (ignores errors) in release build
78 WIN32_OP_D(menu.CreatePopupMenu());
79
80 enum { ID_TEST1 = 1, ID_TEST2, ID_SELECTALL, ID_SELECTNONE, ID_INVERTSEL };
81 menu.AppendMenu(MF_STRING, ID_TEST1, L"Test 1");
82 menu.AppendMenu(MF_STRING, ID_TEST2, L"Test 2");
83 menu.AppendMenu(MF_SEPARATOR);
84 // Note: Ctrl+A handled automatically by CListControl, no need for us to catch it
85 menu.AppendMenu(MF_STRING, ID_SELECTALL, L"Select all\tCtrl+A");
86 menu.AppendMenu(MF_STRING, ID_SELECTNONE, L"Select none");
87 menu.AppendMenu(MF_STRING, ID_INVERTSEL, L"Invert selection");
88
89 int cmd;
90 {
91 // Callback object to show menu command descriptions in the status bar.
92 // it's actually a hidden window, needs a parent HWND, where we feed our control's HWND
93 CMenuDescriptionMap descriptions(m_hWnd);
94
95 // Set descriptions of all our items
96 descriptions.Set(ID_TEST1, "This is a test item #1");
97 descriptions.Set(ID_TEST2, "This is a test item #2");
98
99 descriptions.Set(ID_SELECTALL, "Selects all items");
100 descriptions.Set(ID_SELECTNONE, "Deselects all items");
101 descriptions.Set(ID_INVERTSEL, "Invert selection");
102
103 cmd = menu.TrackPopupMenuEx(TPM_RIGHTBUTTON | TPM_NONOTIFY | TPM_RETURNCMD, point.x, point.y, descriptions, nullptr);
104 }
105 switch(cmd) {
106 case ID_TEST1:
107 {
108 pfc::string_formatter msg;
109 msg << "Test command #1 triggered.\r\n";
110 msg << m_list.GetSelectedCount() << " items selected.";
111 // popup_message : non-blocking MessageBox equivalent
112 popup_message::g_show(msg, "Information");
113 }
114 break;
115 case ID_TEST2:
116 {
117 pfc::string_formatter msg;
118 msg << "Test command #1 triggered.\r\n";
119 msg << "Selected items:\r\n";
120 for( size_t walk = 0; walk < m_list.GetItemCount(); ++ walk) {
121 if ( m_list.IsItemSelected( walk ) ) {
122 msg << m_data[walk].m_key.c_str() << "\r\n";
123 }
124 }
125 msg << "End selected items.";
126 // popup_message : non-blocking MessageBox equivalent
127 popup_message::g_show(msg, "Information");
128 }
129 break;
130 case ID_SELECTALL:
131 m_list.SelectAll(); // trivial
132 break;
133 case ID_SELECTNONE:
134 m_list.SelectNone(); // trivial
135 break;
136 case ID_INVERTSEL:
137 {
138 auto mask = m_list.GetSelectionMask();
139 m_list.SetSelection(
140 // Items which we alter - all of them
141 pfc::bit_array_true(),
142 // Selection values - NOT'd original selection mask
143 pfc::bit_array_not(mask)
144 );
145 // Exclusion of footer item from selection handled via CanSelectItem()
146 }
147 break;
148 }
149 }
150
151 private:
152 // IListControlOwnerDataSource methods
153
154 size_t listGetItemCount( ctx_t ctx ) override {
155 PFC_ASSERT( ctx == &m_list ); // ctx is a pointer to the object calling us
156 return m_data.size();
157 }
158 pfc::string8 listGetSubItemText( ctx_t, size_t item, size_t subItem ) override {
159 auto & rec = m_data[item];
160 switch(subItem) {
161 case 0:
162 return rec.m_key.c_str();
163 case 1:
164 return rec.m_value.c_str();
165 default:
166 return "";
167 }
168
169 }
170 bool listCanReorderItems( ctx_t ) override {
171 return true;
172 }
173 bool listReorderItems( ctx_t, const size_t* order, size_t count) override {
174 PFC_ASSERT( count == m_data.size() );
175 pfc::reorder_t( m_data, order, count );
176 return true;
177 }
178 bool listRemoveItems( ctx_t, pfc::bit_array const & mask) override {
179 pfc::remove_mask_t( m_data, mask );
180 return true;
181 }
182 void listItemAction(ctx_t, size_t item) override {
183 m_list.TableEdit_Start( item, 1 );
184 }
185 void listSubItemClicked( ctx_t, size_t item, size_t subItem) override {
186 if ( subItem == 1 ) {
187 m_list.TableEdit_Start( item, subItem );
188 }
189 }
190 void listSetEditField(ctx_t ctx, size_t item, size_t subItem, const char * val) override {
191 if ( subItem == 1 ) {
192 m_data[item].m_value = val;
193 }
194 }
195 bool listIsColumnEditable( ctx_t, size_t subItem ) override {
196 return subItem == 1;
197 }
198
199
200 std::vector< listData_t > m_data = makeListData();
201
202 CListControlOwnerData m_list;
203
204 fb2k::CDarkModeHooks m_dark;
205 };
206 }
207 // Called from mainmenu.cpp
208 void RunListControlOwnerDataDemo() {
209 // automatically creates the dialog with object lifetime management and modeless dialog registration
210 fb2k::newDialog<CListControlOwnerDataDemoDialog>();
211 }