hinata: initial commit

1 files changed, 163 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..d60112e
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,163 @@
+#include <GL/glew.h>
+#include <GLFW/glfw3.h>
+#include <curl/curl.h>
+#include <nfd.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define MAX_VERTEX_BUFFER 512 * 1024
+#define MAX_ELEMENT_BUFFER 128 * 1024
+#define NK_INCLUDE_FIXED_TYPES
+#define NK_INCLUDE_STANDARD_IO
+#define NK_INCLUDE_STANDARD_VARARGS
+#define NK_INCLUDE_DEFAULT_ALLOCATOR
+#define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
+#define NK_INCLUDE_FONT_BAKING
+#define NK_INCLUDE_DEFAULT_FONT
+#define NK_IMPLEMENTATION
+#define NK_GLFW_GL3_IMPLEMENTATION
+#define NK_KEYSTATE_BASED_INPUT
+#include "nuklear.h"
+#include "nuklear_glfw_gl3.h"
+
+#include "constants.h"
+#include "unifont.h"
+#include "logger.h"
+#include "main.h"
+#include "process_url.h"
+#include "style.h"
+#include "ui.h"
+
+extern int win_width, win_height;
+extern void load_ui(struct ui_struct *);
+static void error_callback(int e, const char *d) {
+  printf("Error %d: %s\n", e, d);
+}
+
+int main(void) {
+  struct ui_struct ui;
+
+  /* Curl */
+  curl_init();
+
+  /* GLFW */
+  struct nk_glfw glfw = {0};
+  static GLFWwindow *win;
+  glfwSetErrorCallback(error_callback);
+  if (!glfwInit()) {
+    fprintf(stdout, "[GFLW] failed to init!\n");
+    exit(EXIT_FAILURE);
+  }
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+  glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+#ifdef __APPLE__
+  glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+#endif
+
+  win = glfwCreateWindow(win_width, win_height, APP_NAME, NULL, NULL);
+
+  if (!win) {
+    // Window creation failed
+    fprintf(stdout, "[GLFW] failed to create window. Does this platform "
+                    "support OpenGL 3.3+?\n");
+    printf("GL_VERSION_3_3: %s",
+           glewIsSupported("GL_VERSION_3_3") ? "yes" : "no");
+    exit(EXIT_FAILURE);
+  }
+
+  glfwMakeContextCurrent(win);
+
+  /* Glew */
+  glewExperimental = GL_TRUE;
+  GLenum err;
+  if ((err = glewInit()) != GLEW_OK) {
+    /* Problem: glewInit failed, something is seriously wrong. */
+    fprintf(stderr, "Error: %s\n", glewGetErrorString(err));
+    exit(EXIT_FAILURE);
+  }
+
+  /* Native File Dialog */
+  NFD_Init();
+
+  /* Logger setup */
+  struct logger *logger = setup_logger();
+  // Put it in ui_struct
+  ui.logger = logger;
+
+  /* UI stat */
+  status_t stat = {0};
+  stat.is_done = true;
+  ui.stat = &stat;
+
+  /* create context */
+  ui.ctx = nk_glfw3_init(&glfw, win, NK_GLFW3_INSTALL_CALLBACKS);
+
+  /* Font */
+  ui.logger->font_height = 24;
+  {
+    struct nk_font_atlas *atlas;
+    struct nk_font_config cfg = nk_font_config(0);
+    /* NOTICE: Some CJK fonts may have incorrect glyph indexes.
+      https://github.com/Immediate-Mode-UI/Nuklear/issues/399
+      https://github.com/Immediate-Mode-UI/Nuklear/issues/542
+      FIX: https://github.com/Immediate-Mode-UI/Nuklear/pull/531
+     */
+    cfg.range = nk_font_chinese_glyph_ranges();
+    // const nk_rune ranges[] = {0x4E00, 0x9FAF, 0x0020, 0x00FF, 0x3000,
+    //                           0x30FF, 0x31F0, 0x31FF, 0xFF00, 0xFFEF,
+    //
+    //                           0};
+    // cfg.range = ranges;
+    cfg.oversample_h = 1;
+    cfg.oversample_v = 1;
+    nk_glfw3_font_stash_begin(&glfw, &atlas);
+    atlas->default_font = nk_font_atlas_add_compressed_base85(
+        atlas, unifont_compressed_data_base85, ui.logger->font_height, &cfg);
+    nk_glfw3_font_stash_end(&glfw);
+  }
+
+  /* TextEdit */
+  struct nk_text_edit text_edit;
+  nk_textedit_init_default(&text_edit);
+
+  logger->text_edit = &text_edit;
+
+  /* Scrollbar */
+  struct nk_scroll scrollbar = {0};
+  logger->scrollbar = &scrollbar;
+
+  /* Theming */
+  set_style(ui.ctx, THEME_DARK);
+
+  while (!glfwWindowShouldClose(win)) {
+    /* Input */
+    glfwPollEvents();
+    nk_glfw3_new_frame(&glfw);
+
+    /* Response to window resize */
+    glfwGetWindowSize(win, &win_width, &win_height);
+    nk_window_set_bounds(ui.ctx, APP_NAME,
+                         nk_rect(0, 0, win_width, win_height));
+
+    /* GUI */
+    if (nk_begin(ui.ctx, APP_NAME, nk_rect(0, 0, win_width, win_height),
+                 NK_WINDOW_BORDER | NK_WINDOW_MOVABLE | NK_WINDOW_TITLE)) {
+      load_ui(&ui);
+    }
+    nk_end(ui.ctx);
+
+    /* Draw */
+    glfwGetWindowSize(win, &win_width, &win_height);
+    glViewport(0, 0, win_width, win_height);
+    glClear(GL_COLOR_BUFFER_BIT);
+    nk_glfw3_render(&glfw, NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER,
+                    MAX_ELEMENT_BUFFER);
+    glfwSwapBuffers(win);
+  }
+  NFD_Quit();
+  curl_cleanup(&stat);
+  nk_glfw3_shutdown(&glfw);
+  glfwTerminate();
+  return 0;
+}