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comparison foosdk/sdk/foobar2000/foo_sample/playback_state.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 #include "resource.h"
3 #include <helpers/WindowPositionUtils.h>
4 #include <helpers/atl-misc.h>
5
6 class CPlaybackStateDemo : public CDialogImpl<CPlaybackStateDemo>, private play_callback_impl_base {
7 public:
8 enum {IDD = IDD_PLAYBACK_STATE};
9
10 BEGIN_MSG_MAP_EX(CPlaybackStateDemo)
11 MSG_WM_INITDIALOG(OnInitDialog)
12 COMMAND_HANDLER_EX(IDC_PATTERN, EN_CHANGE, OnPatternChange)
13 COMMAND_HANDLER_EX(IDCANCEL, BN_CLICKED, OnCancel)
14 COMMAND_HANDLER_EX(IDC_PLAY, BN_CLICKED, OnPlayClicked)
15 COMMAND_HANDLER_EX(IDC_PAUSE, BN_CLICKED, OnPauseClicked)
16 COMMAND_HANDLER_EX(IDC_STOP, BN_CLICKED, OnStopClicked)
17 COMMAND_HANDLER_EX(IDC_PREV, BN_CLICKED, OnPrevClicked)
18 COMMAND_HANDLER_EX(IDC_NEXT, BN_CLICKED, OnNextClicked)
19 COMMAND_HANDLER_EX(IDC_RAND, BN_CLICKED, OnRandClicked)
20 MSG_WM_CONTEXTMENU(OnContextMenu)
21 END_MSG_MAP()
22 private:
23
24 // Playback callback methods.
25 void on_playback_starting(play_control::t_track_command p_command,bool p_paused) {update();}
26 void on_playback_new_track(metadb_handle_ptr p_track) {update();}
27 void on_playback_stop(play_control::t_stop_reason p_reason) {update();}
28 void on_playback_seek(double p_time) {update();}
29 void on_playback_pause(bool p_state) {update();}
30 void on_playback_edited(metadb_handle_ptr p_track) {update();}
31 void on_playback_dynamic_info(const file_info & p_info) {update();}
32 void on_playback_dynamic_info_track(const file_info & p_info) {update();}
33 void on_playback_time(double p_time) {update();}
34 void on_volume_change(float p_new_val) {}
35
36 void update();
37
38 void OnPatternChange(UINT, int, CWindow);
39 void OnCancel(UINT, int, CWindow);
40
41 void OnPlayClicked(UINT, int, CWindow) {m_playback_control->start();}
42 void OnStopClicked(UINT, int, CWindow) {m_playback_control->stop();}
43 void OnPauseClicked(UINT, int, CWindow) {m_playback_control->toggle_pause();}
44 void OnPrevClicked(UINT, int, CWindow) {m_playback_control->start(playback_control::track_command_prev);}
45 void OnNextClicked(UINT, int, CWindow) {m_playback_control->start(playback_control::track_command_next);}
46 void OnRandClicked(UINT, int, CWindow) {m_playback_control->start(playback_control::track_command_rand);}
47
48 void OnContextMenu(CWindow wnd, CPoint point);
49
50 BOOL OnInitDialog(CWindow, LPARAM);
51
52 titleformat_object::ptr m_script;
53
54 static_api_ptr_t<playback_control> m_playback_control;
55 };
56
57 void CPlaybackStateDemo::OnCancel(UINT, int, CWindow) {
58 DestroyWindow();
59 }
60
61 void CPlaybackStateDemo::OnPatternChange(UINT, int, CWindow) {
62 m_script.release(); // pattern has changed, force script recompilation
63 update();
64 }
65
66 BOOL CPlaybackStateDemo::OnInitDialog(CWindow, LPARAM) {
67 update();
68 SetDlgItemText(IDC_PATTERN, _T("%codec% | %bitrate% kbps | %samplerate% Hz | %channels% | %playback_time%[ / %length%]$if(%ispaused%, | paused,)"));
69 ::ShowWindowCentered(*this,GetParent()); // Function declared in SDK helpers.
70 return TRUE;
71 }
72
73 void CPlaybackStateDemo::update() {
74 if (m_script.is_empty()) {
75 pfc::string8 pattern;
76 uGetDlgItemText(*this, IDC_PATTERN, pattern);
77 static_api_ptr_t<titleformat_compiler>()->compile_safe_ex(m_script, pattern);
78 }
79 pfc::string_formatter state;
80 if (m_playback_control->playback_format_title(NULL, state, m_script, NULL, playback_control::display_level_all)) {
81 //Succeeded already.
82 } else if (m_playback_control->is_playing()) {
83 //Starting playback but not done opening the first track yet.
84 state = "Opening...";
85 } else {
86 state = "Stopped.";
87 }
88 uSetDlgItemText(*this, IDC_STATE, state);
89 }
90
91 void CPlaybackStateDemo::OnContextMenu(CWindow wnd, CPoint point) {
92 try {
93 if (wnd == GetDlgItem(IDC_CONTEXTMENU)) {
94
95 // handle the context menu key case - center the menu
96 if (point == CPoint(-1, -1)) {
97 CRect rc;
98 WIN32_OP(wnd.GetWindowRect(&rc));
99 point = rc.CenterPoint();
100 }
101
102 metadb_handle_list items;
103
104 { // note: we would normally just use contextmenu_manager::init_context_now_playing(), but we go the "make the list ourselves" route to demonstrate how to invoke the menu for arbitrary items.
105 metadb_handle_ptr item;
106 if (m_playback_control->get_now_playing(item)) items += item;
107 }
108
109 CMenuDescriptionHybrid menudesc(*this); //this class manages all the voodoo necessary for descriptions of our menu items to show in the status bar.
110
111 static_api_ptr_t<contextmenu_manager> api;
112 CMenu menu;
113 WIN32_OP(menu.CreatePopupMenu());
114 enum {
115 ID_TESTCMD = 1,
116 ID_CM_BASE,
117 };
118 menu.AppendMenu(MF_STRING, ID_TESTCMD, _T("Test command"));
119 menudesc.Set(ID_TESTCMD, "This is a test command.");
120 menu.AppendMenu(MF_SEPARATOR);
121
122 if (items.get_count() > 0) {
123 api->init_context(items, 0);
124 api->win32_build_menu(menu, ID_CM_BASE, ~0);
125 menudesc.SetCM(api.get_ptr(), ID_CM_BASE, ~0);
126 } else {
127 menu.AppendMenu(MF_STRING|MF_GRAYED|MF_DISABLED, (UINT_PTR)0, _T("No items selected"));
128 }
129
130 int cmd = menu.TrackPopupMenu(TPM_RIGHTBUTTON|TPM_NONOTIFY|TPM_RETURNCMD,point.x,point.y,menudesc,0);
131 if (cmd > 0) {
132 if (cmd >= ID_CM_BASE) {
133 api->execute_by_id(cmd - ID_CM_BASE);
134 } else switch(cmd) {
135 case ID_TESTCMD:
136 popup_message::g_show("Blah!", "Test");
137 break;
138 }
139 }
140
141 }
142 } catch(std::exception const & e) {
143 console::complain("Context menu failure", e); //rare
144 }
145 }
146
147 void RunPlaybackStateDemo() {
148 try {
149 // ImplementModelessTracking registers our dialog to receive dialog messages thru main app loop's IsDialogMessage().
150 // CWindowAutoLifetime creates the window in the constructor (taking the parent window as a parameter) and deletes the object when the window has been destroyed (through WTL's OnFinalMessage).
151 new CWindowAutoLifetime<ImplementModelessTracking<CPlaybackStateDemo> >(core_api::get_main_window());
152 } catch(std::exception const & e) {
153 popup_message::g_complain("Dialog creation failure", e);
154 }
155 }