Adding dotfile support, a VERY BASIC GUI, and basic discord rpc

src/gui/gui_entry.cpp

@@ -0,0 +1,173 @@
+#include "../external/imgui/imgui.h"
+#include "../external/imgui/backends/imgui_impl_sdl2.h"
+#include "../external/imgui/backends/imgui_impl_opengl2.h"
+#include <stdio.h>
+#include <SDL.h>
+#include <SDL_opengl.h>
+#include "gui_entry.hpp"
+#include "../configHandler.h"
+#include "../libopensubsonic/httpclient.h"
+#include "../libopensubsonic/endpoint_getStarred.h"
+
+extern configHandler_config_t* configObj;
+bool bLikedSongsShow = false;
+void showLikedSongs();
+
+int qt_gui_entry(int argc, char** argv) {
+    // Initialize SDL
+    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) {
+        printf("SDL could not be initialized: %s\n", SDL_GetError());
+        return 1;
+    }
+
+    // Setup window
+    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+    SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
+    SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
+    float main_scale = ImGui_ImplSDL2_GetContentScaleForDisplay(0);
+    SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
+    SDL_Window* window = SDL_CreateWindow("OSSP v0.3a", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, (int)(1280 * main_scale), (int)(800 * main_scale), window_flags);
+    if (window == nullptr) {
+        printf("SDL could not create window: %s\n", SDL_GetError());
+        return 1;
+    }
+
+    // Create GL context
+    SDL_GLContext gl_context = SDL_GL_CreateContext(window);
+    SDL_GL_MakeCurrent(window, gl_context);
+    SDL_GL_SetSwapInterval(1); // Vsync
+    
+    // Create ImGui context
+    IMGUI_CHECKVERSION();
+    ImGui::CreateContext();
+    ImGuiIO& io = ImGui::GetIO(); (void)io;
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;
+    ImGui::StyleColorsDark();
+
+    // Scaling
+    ImGuiStyle& style = ImGui::GetStyle();
+    style.ScaleAllSizes(main_scale);
+    style.FontScaleDpi = main_scale;
+
+    // Setup platform/renderer backends
+    ImGui_ImplSDL2_InitForOpenGL(window, gl_context);
+    ImGui_ImplOpenGL2_Init();
+
+    // START START START
+    ImVec4 background_color = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
+    bool done = false;
+
+    while (!done) {
+        // Poll events
+        SDL_Event event;
+        while (SDL_PollEvent(&event)) {
+            ImGui_ImplSDL2_ProcessEvent(&event);
+            if (event.type == SDL_QUIT) {
+                done = true;
+            }
+        }
+        if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED) {
+            SDL_Delay(10);
+            continue;
+        }
+
+        // Start new frame
+        ImGui_ImplOpenGL2_NewFrame();
+        ImGui_ImplSDL2_NewFrame();
+        ImGui::NewFrame();
+
+        {
+            ImGui::Begin("OSSP v0.3a");
+
+            ImGui::Text("Connected to server at %s://%s", configObj->opensubsonic_protocol, configObj->opensubsonic_server);
+            if (ImGui::Button("Liked Songs")) {
+                printf("Liked songs button pressed\n");
+                bLikedSongsShow = true;
+            }
+
+            ImGui::End();
+        }
+
+        if (bLikedSongsShow) {
+            showLikedSongs();
+        }
+
+        // Render
+        ImGui::Render();
+        glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);
+        glClearColor(background_color.x * background_color.w, background_color.y * background_color.w, background_color.z * background_color.w, background_color.w);
+        glClear(GL_COLOR_BUFFER_BIT);
+        ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData());
+SDL_GL_SwapWindow(window);
+    }
+    
+    // Cleanup
+    ImGui_ImplOpenGL2_Shutdown();
+    ImGui_ImplSDL2_Shutdown();
+    ImGui::DestroyContext();
+    SDL_GL_DeleteContext(gl_context);
+    SDL_DestroyWindow(window);
+    SDL_Quit();
+
+    return 0;
+}
+
+
+
+bool haveLikedSongsInfo = false;
+opensubsonic_getStarred_struct* starredStruct;
+opensubsonic_httpClient_URL_t* starredUrl;
+
+void getLikedSongsInfo() {
+    // Pull liked songs
+    starredUrl = (opensubsonic_httpClient_URL_t*)malloc(sizeof(opensubsonic_httpClient_URL_t));
+    opensubsonic_httpClient_URL_prepare(&starredUrl);
+    starredUrl->endpoint = OPENSUBSONIC_ENDPOINT_GETSTARRED;
+    opensubsonic_httpClient_formUrl(&starredUrl);
+    opensubsonic_httpClient_fetchResponse(&starredUrl, (void**)&starredStruct);
+
+    if (starredStruct->errorCode != 0) {
+        // Error occured
+    }
+
+    haveLikedSongsInfo = true;
+}
+
+void showLikedSongs() {
+    if (!haveLikedSongsInfo) { getLikedSongsInfo(); }
+
+    ImGui::Begin("Liked Songs");
+
+    ImGui::Text("Liked Songs");
+    
+    if (ImGui::Button("Close")) {
+        bLikedSongsShow = false;
+    }
+
+    if (ImGui::Button("Refresh")) {
+        opensubsonic_getStarred_struct_free(&starredStruct);
+        opensubsonic_httpClient_URL_cleanup(&starredUrl);
+        haveLikedSongsInfo = false;
+    }
+
+    static int selectedSong = -1;
+    if (ImGui::BeginChild("Liked Songs", ImVec2(0, 200), ImGuiChildFlags_Border)) {
+        for (int i = 0; i < starredStruct->songCount; i++) {
+            if (ImGui::Selectable(starredStruct->songs[i].title, selectedSong == i)) {
+                selectedSong = i;
+            }
+        }
+        ImGui::EndChild();
+    }
+
+    if (selectedSong != -1) {
+        printf("Song: %s (%s)\n", starredStruct->songs[selectedSong].title,
+            starredStruct->songs[selectedSong].id);
+        selectedSong = -1;
+    }
+
+    ImGui::End();
+}