fixed keyboard shortcuts not firing

ClickPlay.exe.manifest

@@ -6,7 +6,7 @@
     name="CompanyName.ProductName.YourApplication"
     type="win32"
 />
-<description>PAiPlayer - A school project that helps me learn C++</description>
+<description>ClickPlay - a simple C++ music player</description>
 <dependency>
     <dependentAssembly>
         <assemblyIdentity

ClickPlay.vcxproj

@@ -22,7 +22,7 @@
     <VCProjectVersion>16.0</VCProjectVersion>
     <Keyword>Win32Proj</Keyword>
     <ProjectGuid>{c734fda7-262e-4202-8f4e-5e3031cb9935}</ProjectGuid>
-    <RootNamespace>EasyAudioPlayer</RootNamespace>
+    <RootNamespace>ClickPlay</RootNamespace>
     <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
     <ProjectName>ClickPlay</ProjectName>
   </PropertyGroup>

main.cpp

@@ -109,7 +109,7 @@ int WINAPI WinMain(HINSTANCE currentInst, HINSTANCE previousInst, LPSTR lpCmdLin
 
 	//INITIALIZE MESSAGE LOOP
 	while (GetMessage(&msg, NULL, 0, 0)) {
-		if (!TranslateAccelerator(msg.hwnd, shortcuts, &msg)) {
+		if (!TranslateAccelerator(mainWindow, shortcuts, &msg)) {
 			TranslateMessage(&msg);
 			DispatchMessage(&msg);
 		}
@@ -180,8 +180,8 @@ int LoadSelection(int index) {
 				LPCWSTR fullCommand = fullCommandS.c_str();
 
 				if (mciSendString(fullCommand, NULL, 0, mainWindow) != 0) {
-					MessageBox(mainWindow, L"Nieznany b³¹d uniemo¿liwia odtworzenie tego pliku. SprawdŸ czy plik nie jest uszkodzony.", L"B³¹d wczytywania", MB_ICONERROR);
 					UnloadSelection();
+					MessageBox(mainWindow, L"Nieznany b³¹d uniemo¿liwia odtworzenie tego pliku. SprawdŸ czy plik nie jest uszkodzony.", L"B³¹d wczytywania", MB_ICONERROR);
 					return -4;
 				}
 				selected = index;
@@ -291,16 +291,23 @@ int FolderBrowseDialog(HWND window) {
 }
 
 //SEARCH DIRECTORY
-void SearchDir(wstring phrase) {
+/*ERROR CODES
+* -1 - no files found
+* -2 - LoadDir error
+* -3 - empty input
+*/
+int SearchDir(wstring phrase) {
 	//PERFORM CHECKING
 	if (path.empty()) {
-		return;
+		return -2;
 	}
 	//RELOAD DIR
-	LoadDir(path);
+	if (LoadDir(path) != 0) {
+		return -2;
+	}
 	//PREPARE
 	if (phrase.empty()) {
-		return;
+		return -3;
 	}
 	vector<WIN32_FIND_DATA> results;
 	//GET FILES
@@ -311,12 +318,13 @@ void SearchDir(wstring phrase) {
 	}
 	if (results.empty()) {
 		MessageBox(mainWindow, L"Nie znaleziono plików zawieraj¹cych wpisan¹ frazê.", L"Brak plików", MB_ICONEXCLAMATION);
-		return;
+		return -1;
 	}
 	std::sort(results.begin(), results.end(), alphabeticSort);
 	files = results;
 	//ADD FILTERED CONTENT
 	GenerateList(files);
+	return 0;
 }
 
 //GET SEARCH PHRASE FROM searchBox
@@ -365,11 +373,18 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
 								SendMessage(mainWindow, STATE_CHANGE, 1, NULL);
 							}
 						}
+						else {
+							SendMessage(mainWindow, STATE_CHANGE, 0, 0);
+						}
 					}
 					break;
 				case IDC_SEARCHBTN:
-					SearchDir(GetSearchPhrase());
+					if (SearchDir(GetSearchPhrase()) == -2) {
-					SendMessage(mainWindow, STATE_CHANGE, 0, 0);
+						SendMessage(mainWindow, STATE_CHANGE, -1, 0);
+					}
+					else {
+						SendMessage(mainWindow, STATE_CHANGE, 0, 0);
+					}
 					break;
 				case IDC_PLAYBTN:
 					switch (currentState) {
@@ -377,6 +392,9 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
 							if (LoadSelection(GetIndex()) == 0) {
 								SendMessage(mainWindow, STATE_CHANGE, 1, NULL);
 							}
+							else {
+								SendMessage(mainWindow, STATE_CHANGE, 0, 0);
+							}
 							break;
 						case 1:
 							SendMessage(mainWindow, STATE_CHANGE, 2, NULL);
@@ -402,7 +420,9 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
 						SendMessage(mainWindow, STATE_CHANGE, -1, 0);
 					}
 					if (SendMessage(searchBox, WM_GETTEXTLENGTH, 0, 0) > 0) {
-						SearchDir(GetSearchPhrase());
+						if (SearchDir(GetSearchPhrase()) == -2) {
+							SendMessage(mainWindow, STATE_CHANGE, -1, 0);
+						}
 					}
 					break;
 				case ID_OPCJE_ONCLICK:
@@ -438,6 +458,9 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
 					}
 					if (!path.empty() && !files.empty()) {
 						GenerateList(files);
+						if (selected != -1) {
+							SendMessage(filesListCtrl, LB_SETCURSEL, selected, 0);
+						}
 					}
 					break;
 				case ID_PLIK_CLOSEDIR:
@@ -458,9 +481,13 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
 					srand(time(NULL));
 					//LOAD AND PLAY
 					randIndex = rand() % files.size();
-					LoadSelection(randIndex);
+					if (LoadSelection(randIndex) == 0) {
-					SendMessage(filesListCtrl, LB_SETCURSEL, randIndex, 0);
+						SendMessage(filesListCtrl, LB_SETCURSEL, randIndex, 0);
-					SendMessage(mainWindow, STATE_CHANGE, 1, 0);
+						SendMessage(mainWindow, STATE_CHANGE, 1, 0);
+					}
+					else {
+						SendMessage(mainWindow, STATE_CHANGE, 0, 0);
+					}
 					break;
 				case ID_OPCJE_AUTOPLAY:
 					if (isAutoPlayEnabled) {