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comparison foosdk/sdk/foobar2000/helpers/atl-misc.h @ 1:20d02a178406 default tip

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author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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0:e9bb126753e7 1:20d02a178406
1 #pragma once
2
3 #include "win32_misc.h"
4
5 #ifdef _WIN32
6 #include <SDK/ui_element.h>
7 #include <SDK/ui.h>
8 #include <SDK/contextmenu_manager.h>
9 #include <SDK/preferences_page.h>
10 #include <libPPUI/WTL-PP.h>
11 #include <utility>
12
13 class CMenuSelectionReceiver : public CWindowImpl<CMenuSelectionReceiver> {
14 public:
15 CMenuSelectionReceiver(HWND p_parent) {
16 WIN32_OP( Create(p_parent) != NULL );
17 }
18 ~CMenuSelectionReceiver() {
19 if (m_hWnd != NULL) DestroyWindow();
20 }
21 typedef CWindowImpl<CMenuSelectionReceiver> _baseClass;
22 DECLARE_WND_CLASS_EX(TEXT("{DF0087DB-E765-4283-BBAB-6AB2E8AB64A1}"),0,0);
23
24 BEGIN_MSG_MAP(CMenuSelectionReceiver)
25 MESSAGE_HANDLER(WM_MENUSELECT,OnMenuSelect)
26 END_MSG_MAP()
27 protected:
28 virtual bool QueryHint(unsigned p_id,pfc::string_base & p_out) {
29 return false;
30 }
31 private:
32 LRESULT OnMenuSelect(UINT,WPARAM p_wp,LPARAM p_lp,BOOL&) {
33 if (p_lp != 0) {
34 if (HIWORD(p_wp) & MF_POPUP) {
35 m_status.release();
36 } else {
37 pfc::string8 msg;
38 UINT cmd = LOWORD(p_wp);
39 if ( cmd == 0 || !QueryHint(cmd,msg)) {
40 m_status.release();
41 } else {
42 if (m_status.is_empty()) {
43 if (!static_api_ptr_t<ui_control>()->override_status_text_create(m_status)) m_status.release();
44 }
45 if (m_status.is_valid()) {
46 m_status->override_text(msg);
47 }
48 }
49 }
50 } else {
51 m_status.release();
52 }
53 return 0;
54 }
55
56 service_ptr_t<ui_status_text_override> m_status;
57
58 PFC_CLASS_NOT_COPYABLE(CMenuSelectionReceiver,CMenuSelectionReceiver);
59 };
60
61 class CMenuDescriptionMap : public CMenuSelectionReceiver {
62 public:
63 CMenuDescriptionMap(HWND p_parent) : CMenuSelectionReceiver(p_parent) {}
64 void Set(unsigned p_id,const char * p_description) {m_content.set(p_id,p_description);}
65 protected:
66 bool QueryHint(unsigned p_id,pfc::string_base & p_out) {
67 return m_content.query(p_id,p_out);
68 }
69 private:
70 pfc::map_t<unsigned,pfc::string8> m_content;
71 };
72
73 class CMenuDescriptionHybrid : public CMenuSelectionReceiver {
74 public:
75 CMenuDescriptionHybrid(HWND parent) : CMenuSelectionReceiver(parent) {}
76 void Set(unsigned id, const char * desc) {m_content.set(id, desc);}
77
78 void SetCM(contextmenu_manager::ptr mgr, unsigned base, unsigned max) {
79 m_cmMgr = mgr; m_cmMgr_base = base; m_cmMgr_max = max;
80 }
81 protected:
82 bool QueryHint(unsigned p_id,pfc::string_base & p_out) {
83 if (m_cmMgr.is_valid() && p_id >= m_cmMgr_base && p_id < m_cmMgr_max) {
84 return m_cmMgr->get_description_by_id(p_id - m_cmMgr_base,p_out);
85 }
86 return m_content.query(p_id,p_out);
87 }
88 private:
89 pfc::map_t<unsigned,pfc::string8> m_content;
90 contextmenu_manager::ptr m_cmMgr; unsigned m_cmMgr_base, m_cmMgr_max;
91 };
92
93 inline pfc::string_base & operator<<(pfc::string_base & p_fmt,const CPoint & p_point) {
94 return p_fmt << "(" << p_point.x << "," << p_point.y << ")";
95 }
96
97 inline pfc::string_base & operator<<(pfc::string_base & p_fmt,const CRect & p_rect) {
98 return p_fmt << "(" << p_rect.left << "," << p_rect.top << "," << p_rect.right << "," << p_rect.bottom << ")";
99 }
100
101 template<typename TClass>
102 class CAddDummyMessageMap : public TClass {
103 public:
104 BEGIN_MSG_MAP(CAddDummyMessageMap<TClass>)
105 END_MSG_MAP()
106 };
107
108 template<typename _parentClass> class CWindowFixSEH : public _parentClass { public:
109 BOOL ProcessWindowMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT& lResult, DWORD dwMsgMapID = 0) {
110 __try {
111 return _parentClass::ProcessWindowMessage(hWnd, uMsg, wParam, lParam, lResult, dwMsgMapID);
112 } __except(uExceptFilterProc(GetExceptionInformation())) { return FALSE; /* should not get here */ }
113 }
114 template<typename ... arg_t> CWindowFixSEH( arg_t && ... arg ) : _parentClass( std::forward<arg_t>(arg) ... ) {}
115 };
116
117 template<typename TClass>
118 class CWindowAutoLifetime : public CWindowFixSEH<TClass> {
119 public:
120 typedef CWindowFixSEH<TClass> TBase;
121 template<typename ... arg_t> CWindowAutoLifetime(HWND parent, arg_t && ... arg) : TBase( std::forward<arg_t>(arg) ... ) {Init(parent);}
122 private:
123 void Init(HWND parent) {WIN32_OP(this->Create(parent) != NULL);}
124 void OnFinalMessage(HWND wnd) {PFC_ASSERT_NO_EXCEPTION( TBase::OnFinalMessage(wnd) ); PFC_ASSERT_NO_EXCEPTION(delete this);}
125 };
126
127 template<typename TClass>
128 class ImplementModalTracking : public TClass {
129 public:
130 template<typename ... arg_t> ImplementModalTracking(arg_t && ... arg) : TClass(std::forward<arg_t>(arg) ...) {}
131
132 BEGIN_MSG_MAP_EX(ImplementModalTracking)
133 MSG_WM_INITDIALOG(OnInitDialog)
134 MSG_WM_DESTROY(OnDestroy)
135 CHAIN_MSG_MAP(TClass)
136 END_MSG_MAP()
137 private:
138 void OnDestroy() {
139 m_modal.deinitialize();
140 SetMsgHandled(FALSE);
141 }
142 BOOL OnInitDialog(CWindow, LPARAM) {
143 m_modal.initialize(this->m_hWnd);
144 SetMsgHandled(FALSE);
145 return FALSE;
146 }
147 modal_dialog_scope m_modal;
148
149 };
150
151 template<typename TClass>
152 class ImplementModelessTracking : public TClass {
153 public:
154 template<typename ... arg_t> ImplementModelessTracking(arg_t && ... arg ) : TClass(std::forward<arg_t>(arg) ... ) {}
155
156 BEGIN_MSG_MAP_EX(ImplementModelessTracking)
157 MSG_WM_INITDIALOG(OnInitDialog)
158 MSG_WM_DESTROY(OnDestroy)
159 CHAIN_MSG_MAP(TClass)
160 END_MSG_MAP_HOOK()
161 private:
162 BOOL OnInitDialog(CWindow, LPARAM) {m_modeless.Set( this->m_hWnd ); SetMsgHandled(FALSE); return FALSE; }
163 void OnDestroy() {m_modeless.Set(NULL); SetMsgHandled(FALSE); }
164 CModelessDialogEntry m_modeless;
165 };
166
167 namespace fb2k {
168 template<typename dialog_t, typename ... arg_t> dialog_t * newDialogEx( HWND parent, arg_t && ... arg ) {
169 return new CWindowAutoLifetime<ImplementModelessTracking< dialog_t > > ( parent, std::forward<arg_t>(arg) ... );
170 }
171 template<typename dialog_t, typename ... arg_t> dialog_t * newDialog(arg_t && ... arg) {
172 return new CWindowAutoLifetime<ImplementModelessTracking< dialog_t > > (core_api::get_main_window(), std::forward<arg_t>(arg) ...);
173 }
174 }
175
176 class CMenuSelectionReceiver_UiElement : public CMenuSelectionReceiver {
177 public:
178 CMenuSelectionReceiver_UiElement(service_ptr_t<ui_element_instance> p_owner,unsigned p_id_base) : CMenuSelectionReceiver(p_owner->get_wnd()), m_owner(p_owner), m_id_base(p_id_base) {}
179 protected:
180 bool QueryHint(unsigned p_id,pfc::string_base & p_out) {
181 return m_owner->edit_mode_context_menu_get_description(p_id,m_id_base,p_out);
182 }
183 private:
184 const unsigned m_id_base;
185 const service_ptr_t<ui_element_instance> m_owner;
186 };
187
188 static bool window_service_trait_defer_destruction(const service_base *) {return true;}
189
190
191 //! Special service_impl_t replacement for service classes that also implement ATL/WTL windows.
192 template<typename _t_base>
193 class window_service_impl_t : public implement_service_query< CWindowFixSEH<_t_base> > {
194 private:
195 typedef window_service_impl_t<_t_base> t_self;
196 typedef implement_service_query< CWindowFixSEH<_t_base> > t_base;
197 public:
198 BEGIN_MSG_MAP_EX(window_service_impl_t)
199 MSG_WM_DESTROY(OnDestroyPassThru)
200 CHAIN_MSG_MAP(__super)
201 END_MSG_MAP_HOOK()
202
203 int FB2KAPI service_release() throw() {
204 int ret = --m_counter;
205 if (ret == 0) {
206 if (window_service_trait_defer_destruction(this) && !InterlockedExchange(&m_delayedDestroyInProgress,1)) {
207 PFC_ASSERT_NO_EXCEPTION( service_impl_helper::release_object_delayed(this); );
208 } else if (this->m_hWnd != NULL) {
209 if (!InterlockedExchange(&m_destroyWindowInProgress, 1)) {// don't double-destroy in weird scenarios
210 service_ptr_t<service_base> bump(this); // prevent delete this from occurring in mid-DestroyWindow
211 PFC_ASSERT_NO_EXCEPTION(::DestroyWindow(this->m_hWnd));
212 // We don't know what else happened inside DestroyWindow() due to message queue flush
213 // Safely retry destruction by bump object destructor
214 // m_hWnd doesn't have to be null here - we'll possibly get cleaned up by OnFinalMessage() instead
215 }
216 } else { // m_hWnd is NULL
217 PFC_ASSERT_NO_EXCEPTION( delete this );
218 }
219 }
220 return ret;
221 }
222 int FB2KAPI service_add_ref() throw() {return ++m_counter;}
223
224 template<typename ... arg_t>
225 window_service_impl_t( arg_t && ... arg ) : t_base( std::forward<arg_t>(arg) ... ) {};
226
227 ~window_service_impl_t() {
228 PFC_ASSERT(this->m_hWnd == NULL);
229 }
230 private:
231 void OnDestroyPassThru() {
232 SetMsgHandled(FALSE); m_destroyWindowInProgress = 1;
233 }
234 void OnFinalMessage(HWND p_wnd) override {
235 t_base::OnFinalMessage(p_wnd);
236 service_ptr_t<service_base> bump(this);
237 }
238 volatile LONG m_destroyWindowInProgress = 0;
239 volatile LONG m_delayedDestroyInProgress = 0;
240 pfc::refcounter m_counter;
241 };
242
243 namespace fb2k {
244 template<typename obj_t, typename ... arg_t>
245 service_ptr_t<obj_t> service_new_window(arg_t && ... arg) {
246 return new window_service_impl_t< obj_t > ( std::forward<arg_t> (arg) ... );
247 }
248 }
249
250 static void AppendMenuPopup(HMENU menu, UINT flags, CMenu & popup, const TCHAR * label) {
251 PFC_ASSERT( flags & MF_POPUP );
252 WIN32_OP_D( CMenuHandle(menu).AppendMenu(flags, popup, label) );
253 popup.Detach();
254 }
255
256 class CMessageMapDummy : public CMessageMap {
257 public:
258 BOOL ProcessWindowMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
259 LRESULT& lResult, DWORD dwMsgMapID) {return FALSE;}
260 };
261
262
263
264
265
266
267
268 template<typename TDialog> class preferences_page_instance_impl : public TDialog {
269 public:
270 preferences_page_instance_impl(HWND parent, preferences_page_callback::ptr callback) : TDialog(callback) {
271 WIN32_OP(this->Create(parent) != NULL);
272
273 // complain early if what we created isn't a child window
274 PFC_ASSERT( (this->GetStyle() & (WS_POPUP|WS_CHILD)) == WS_CHILD );
275 }
276 HWND get_wnd() {return this->m_hWnd;}
277 };
278 static bool window_service_trait_defer_destruction(const preferences_page_instance *) {return false;}
279 template<typename TDialog> class preferences_page_impl : public preferences_page_v3 {
280 public:
281 preferences_page_instance::ptr instantiate(HWND parent, preferences_page_callback::ptr callback) {
282 return fb2k::service_new_window<preferences_page_instance_impl<TDialog> >(parent, callback);
283 }
284 };
285
286 class CEmbeddedDialog : public CDialogImpl<CEmbeddedDialog> {
287 public:
288 CEmbeddedDialog(CMessageMap * owner, DWORD msgMapID, UINT dialogID) : m_owner(*owner), IDD(dialogID), m_msgMapID(msgMapID) {}
289
290 BEGIN_MSG_MAP(CEmbeddedDialog)
291 CHAIN_MSG_MAP_ALT_MEMBER(m_owner, m_msgMapID)
292 END_MSG_MAP()
293
294 const DWORD m_msgMapID;
295 const UINT IDD;
296 CMessageMap & m_owner;
297 };
298
299
300 // ui_element stuff here because of window_service_impl_t
301
302 template<typename instance_t>
303 class ui_element_instance_impl_helper : public instance_t {
304 public:
305 template<typename ... args_t>
306 ui_element_instance_impl_helper(args_t && ... args) : instance_t(std::forward<args_t>(args) ...) {}
307
308 GUID get_guid() override { return instance_t::g_get_guid(); }
309 GUID get_subclass() override { return instance_t::g_get_subclass(); }
310 HWND get_wnd() override { return *this; }
311 };
312
313
314 namespace fb2k {
315 template<typename TImpl, typename ... args_t>
316 ui_element_instance::ptr newUIElement(HWND parent, args_t && ... args) {
317 auto item = fb2k::service_new_window < ui_element_instance_impl_helper < TImpl > >(std::forward<args_t>(args) ...);
318 item->initialize_window(parent);
319 return item;
320 }
321 }
322
323 template<typename TImpl, typename TInterface = ui_element> class ui_element_impl : public TInterface {
324 public:
325 GUID get_guid() { return TImpl::g_get_guid(); }
326 GUID get_subclass() { return TImpl::g_get_subclass(); }
327 void get_name(pfc::string_base & out) { TImpl::g_get_name(out); }
328
329 template<typename ... args_t>
330 ui_element_instance::ptr instantiate_helper(HWND parent, args_t && ... args) {
331 return fb2k::newUIElement<TImpl>(parent, std::forward<args_t>(args) ...);
332 }
333
334 ui_element_instance::ptr instantiate(HWND parent, ui_element_config::ptr cfg, ui_element_instance_callback::ptr callback) {
335 PFC_ASSERT(cfg->get_guid() == get_guid());
336 return instantiate_helper(parent, cfg, callback);
337 }
338 ui_element_config::ptr get_default_configuration() { return TImpl::g_get_default_configuration(); }
339 ui_element_children_enumerator_ptr enumerate_children(ui_element_config::ptr cfg) { return NULL; }
340 bool get_description(pfc::string_base & out) { out = TImpl::g_get_description(); return true; }
341 };
342
343
344 #endif // _WIN32