无边框窗口

core/application/application.cpp

@@ -50,10 +50,6 @@ void application::init(const window_params& in_window_params, int argc, char** a
 int application::run() {
     while (!g_exit_requested) {
         glfwPollEvents();
-        g_exit_requested = glfwWindowShouldClose(window_);
-        if (g_exit_requested)
-            break;
-
         renderer_->new_frame(window_);
         draw_gui();
         renderer_->end_frame(window_);
@@ -108,6 +104,7 @@ void application::init_glfw() {
         spdlog::error("Failed to initialize GLFW");
         return;
     }
+    glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
 }
 
 void application::init_imgui() {
@@ -119,6 +116,8 @@ void application::init_imgui() {
     io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
     io.ConfigFlags |= ImGuiConfigFlags_DockingEnable; // Enable Docking
     io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable; // Enable Multi-Viewport / Platform Windows
+    io.ConfigViewportsNoAutoMerge = true;
+    io.ConfigViewportsNoTaskBarIcon = false;
     ImGui::StyleColorsDark();
     //ImGui::StyleColorsLight();
 }

core/application/application.h

@@ -49,6 +49,11 @@ public:
 
     virtual void shutdown();
 
+    void request_exit() {
+        glfwSetWindowShouldClose(window_, GLFW_TRUE);
+        g_exit_requested = true;
+    }
+
     virtual void draw_gui() = 0;
 
     virtual const char* get_shader_path() = 0;

core/widget/uilts.h

@@ -0,0 +1,18 @@
+#pragma once
+#include "extern.h"
+#include "imgui.h"
+#include "imgui_internal.h"
+
+extern "C" {
+    void HideTabBar();
+}
+
+namespace ImGui {
+    inline void HideTabBar()
+    {
+        ImGuiWindowClass window_class;
+        window_class.DockNodeFlagsOverrideSet = ImGuiDockNodeFlags_NoWindowMenuButton;
+        // window_class.DockNodeFlagsOverrideSet = ImGuiDockNodeFlags_NoTabBar;
+        SetNextWindowClass(&window_class);
+    }
+}