tray icon

AsuroTool/ApplicationData.h

@@ -41,6 +41,7 @@ class ApplicationSettings {
 public:
 	bool showDisabledDevices = false;
 	bool fitWindowHeight = true;
+	bool minimizeToTray = true;
 };
 
 class ApplicationData {

AsuroTool/AsuroTool.cpp

@@ -3,25 +3,66 @@
 #pragma comment(linker, "/SUBSYSTEM:windows /ENTRY:mainCRTStartup")
 #endif
 
+// we need commctrl v6 for LoadIconMetric()
+// see https://github.com/microsoft/Windows-classic-samples/blob/main/Samples/Win7Samples/winui/shell/appshellintegration/NotificationIcon/NotificationIcon.cpp
+#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
+#pragma comment(lib, "comctl32.lib")
+
 #include <windows.h>
 
 #include <iostream>
 #include <sstream>
+#include <shellapi.h>
+#include <commctrl.h>
+#include <strsafe.h>
 
 #include "Util.h"
 #include "AudioApi.h"
 #include "resource.h"
 #include "AsuroTool.h"
 
+class __declspec(uuid("3bc52579-15fd-43bb-9686-6273c238535e")) TrayGUID;
+
+UINT const WMAPP_NOTIFYCALLBACK = WM_APP + 1;
+UINT const WMAPP_HIDEFLYOUT = WM_APP + 2;
+
+DrawData* hackyDrawData;
+ApplicationData* hackyAppData;
+
 int main()
 {
 	ApplicationData applicationData{};
 
-	startImgui<ApplicationData>(applicationData, init, draw, "Asuro's Tool", 600, 400);
+	startImgui<ApplicationData>(applicationData, init, draw, cleanup, "Asuro's Tool", 600, 400);
+}
+
+LRESULT CALLBACK trayIconEventHandler(int code, WPARAM wParam, LPARAM lParam)
+{
+	if (code >= 0)
+	{
+		CWPSTRUCT* data = (CWPSTRUCT*)lParam;
+
+		if (data->message == WMAPP_NOTIFYCALLBACK)
+		{
+			switch (data->lParam)
+			{
+			case NIN_SELECT:
+				glfwShowWindow(hackyDrawData->window);
+				glfwRestoreWindow(hackyDrawData->window);
+				break;
+			}
+		}
+	}
+
+	return CallNextHookEx(NULL, code, wParam, lParam);
 }
 
 void init(DrawData& drawData, ApplicationData& appData)
 {
+	// sad :(
+	hackyDrawData = &drawData;
+	hackyAppData = &appData;
+
 	// Load text font
 	ImGuiIO& io = ImGui::GetIO();
 	io.Fonts->AddFontFromFileTTF("Montserrat-Regular.ttf", 18.0f);
@@ -48,12 +89,46 @@ void init(DrawData& drawData, ApplicationData& appData)
 	reloadDeviceLists(*appData.audioData);
 
 	// Set window icon
+	HINSTANCE instance = GetModuleHandle(NULL);
 	LPWSTR iconId = MAKEINTRESOURCE(IDI_ICON1);
-	HANDLE iconLarge = LoadImageW(GetModuleHandle(NULL), iconId, IMAGE_ICON, 64, 64, 0);
+	HANDLE iconLarge = LoadImageW(instance, iconId, IMAGE_ICON, 64, 64, 0);
-	HANDLE iconSmall = LoadImageW(GetModuleHandle(NULL), iconId, IMAGE_ICON, 32, 32, 0);
+	HANDLE iconSmall = LoadImageW(instance, iconId, IMAGE_ICON, 32, 32, 0);
 	SendMessage(drawData.window_handle, WM_SETICON, ICON_BIG, (LPARAM)iconLarge);
 	SendMessage(drawData.window_handle, WM_SETICON, ICON_SMALL, (LPARAM)iconSmall);
 	SendMessage(drawData.window_handle, WM_SETICON, ICON_SMALL2, (LPARAM)iconSmall);
+
+	// Set tray icon
+	NOTIFYICONDATA nid = { sizeof(nid) };
+	nid.hWnd = drawData.window_handle;
+	nid.uFlags = NIF_ICON | NIF_TIP | NIF_MESSAGE | NIF_SHOWTIP | NIF_GUID;
+	nid.guidItem = __uuidof(TrayGUID);
+	nid.uCallbackMessage = WMAPP_NOTIFYCALLBACK;
+
+	HRESULT iconResult;
+	iconResult = LoadIconMetric(instance, iconId, LIM_SMALL, &nid.hIcon);
+	isError(iconResult, "Failed to load tray icon image: ");
+
+	iconResult = LoadString(instance, IDS_STRING_TOOLTIP, nid.szTip, ARRAYSIZE(nid.szTip));
+	isError(iconResult, "Failed to load tray icon text: ");
+
+	Shell_NotifyIcon(NIM_ADD, &nid);
+
+	nid.uVersion = NOTIFYICON_VERSION_4;
+	Shell_NotifyIcon(NIM_SETVERSION, &nid);
+
+	// TODO: Add a different kind of hook, that gets mouse events (or other?)
+	if (!SetWindowsHookEx(WH_CALLWNDPROC, trayIconEventHandler, instance, GetCurrentThreadId()))
+	{
+		std::cout << "Failed to hook tray icon events: " << std::hex << GetLastError() << std::endl;
+	}
+
+	// Set window minimize behavior
+	glfwSetWindowIconifyCallback(drawData.window, [](GLFWwindow* window, int isIconified) {
+		if (isIconified == GLFW_TRUE && hackyAppData->settings.minimizeToTray)
+		{
+			glfwHideWindow(window);
+		}
+	});
 }
 
 void draw(DrawData& drawData, ApplicationData& appData)
@@ -83,6 +158,15 @@ void draw(DrawData& drawData, ApplicationData& appData)
 	}
 }
 
+void cleanup(DrawData& drawData, ApplicationData& appData)
+{
+	// Remove tray icon
+	NOTIFYICONDATA nid = { sizeof(nid) };
+	nid.uFlags = NIF_GUID;
+	nid.guidItem = __uuidof(TrayGUID);
+	bool test = Shell_NotifyIcon(NIM_DELETE, &nid);
+}
+
 ImVec2 menuBar(ApplicationData& appData)
 {
 	ImVec2 size{};
@@ -93,6 +177,7 @@ ImVec2 menuBar(ApplicationData& appData)
 		{
 			ImGui::Checkbox("Show Disabled Devices", &appData.settings.showDisabledDevices);
 			ImGui::Checkbox("Fit Window Height", &appData.settings.fitWindowHeight);
+			ImGui::Checkbox("Minimize To Tray", &appData.settings.minimizeToTray);
 			ImGui::EndMenu();
 		}
 

AsuroTool/AsuroTool.h

@@ -7,6 +7,7 @@
 
 void init(DrawData& drawData, ApplicationData& customData);
 void draw(DrawData& drawData, ApplicationData& customData);
+void cleanup(DrawData& drawData, ApplicationData& appData);
 ImVec2 menuBar(ApplicationData& appData);
 ImVec2 audioDeviceWindow(ApplicationData& appData, std::vector<AudioDevice>& deviceList, const char* title);
 void drawCircle(float radius, ImU32 color);

AsuroTool/AsuroTool.rc

@@ -64,6 +64,17 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_UK
 // remains consistent on all systems.
 IDI_ICON1               ICON                    "kaiju.ico"
 
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// String Table
+//
+
+STRINGTABLE
+BEGIN
+    IDS_STRING_TOOLTIP      "uwu"
+END
+
 #endif    // English (United Kingdom) resources
 /////////////////////////////////////////////////////////////////////////////
 

AsuroTool/resource.h

@@ -3,12 +3,14 @@
 // Used by AsuroTool.rc
 //
 #define IDI_ICON1                       109
+#define IDS_STRING112                   112
+#define IDS_STRING_TOOLTIP              112
 
 // Next default values for new objects
 // 
 #ifdef APSTUDIO_INVOKED
 #ifndef APSTUDIO_READONLY_SYMBOLS
-#define _APS_NEXT_RESOURCE_VALUE        112
+#define _APS_NEXT_RESOURCE_VALUE        113
 #define _APS_NEXT_COMMAND_VALUE         40001
 #define _APS_NEXT_CONTROL_VALUE         1001
 #define _APS_NEXT_SYMED_VALUE           101

ImguiBase/ImguiBase.h

@@ -15,6 +15,7 @@
 
 class DrawData {
 public:
+    GLFWwindow* window = nullptr;
     HWND window_handle = nullptr;
     ImVec4 clear_color = {};
     ImVec2 window_size = {};
@@ -344,7 +345,7 @@ static void glfw_error_callback(int error, const char* description)
 }
 
 template<typename D>
-int startImgui(D& customState, void (*const initFunc)(DrawData&, D&), void (*const drawFunc)(DrawData&, D&), const char* title, int windowWidth, int windowHeight)
+int startImgui(D& customState, void (*const initFunc)(DrawData&, D&), void (*const drawFunc)(DrawData&, D&), void (*const cleanupFunc)(DrawData&, D&), const char* title, int windowWidth, int windowHeight)
 {
     // Setup GLFW window
     glfwSetErrorCallback(glfw_error_callback);
@@ -421,6 +422,7 @@ int startImgui(D& customState, void (*const initFunc)(DrawData&, D&), void (*con
 
     // Our state
     DrawData drawData{};
+    drawData.window = window;
     drawData.window_handle = glfwGetWin32Window(window);
     drawData.window_size = getWindowSize(window);
 
@@ -511,6 +513,7 @@ int startImgui(D& customState, void (*const initFunc)(DrawData&, D&), void (*con
     }
 
     // Cleanup
+    cleanupFunc(drawData, customState);
     err = vkDeviceWaitIdle(g_Device);
     check_vk_result(err);
     ImGui_ImplVulkan_Shutdown();

ImguiNodes/ImguiNodes.cpp

@@ -12,7 +12,7 @@ int main()
 {
 	ApplicationData applicationData{};
 
-	startImgui<ApplicationData>(applicationData, init, draw, "Node Test", 1280, 720);
+	startImgui<ApplicationData>(applicationData, init, draw, nullptr, "Node Test", 1280, 720);
 }
 
 /// <summary>