131 lines
4.0 KiB
C
131 lines
4.0 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdarg.h>
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#include <string.h>
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#include <math.h>
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#include <assert.h>
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#include <limits.h>
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#include <time.h>
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#include <GLFW/glfw3.h>
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#define NK_INCLUDE_FIXED_TYPES
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#define NK_INCLUDE_STANDARD_IO
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#define NK_INCLUDE_STANDARD_VARARGS
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#define NK_INCLUDE_DEFAULT_ALLOCATOR
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#define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
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#define NK_INCLUDE_FONT_BAKING
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#define NK_INCLUDE_DEFAULT_FONT
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#define NK_IMPLEMENTATION
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#define NK_GLFW_GL2_IMPLEMENTATION
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#define NK_KEYSTATE_BASED_INPUT
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#include <nuklear.h>
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#include "nuklear_glfw_gl2.h"
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#define WINDOW_WIDTH 230
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#define WINDOW_HEIGHT 250
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static void error_callback(int e, const char *d) {
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printf("Error %d: %s\n", e, d);
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}
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int main(void) {
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/* Platform */
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static GLFWwindow *win;
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int width = 0, height = 0;
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/* GUI */
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struct nk_context *ctx;
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struct nk_colorf bg;
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/* GLFW */
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glfwSetErrorCallback(error_callback);
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if (!glfwInit()) {
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fprintf(stdout, "[GFLW] failed to init!\n");
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exit(1);
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}
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win = glfwCreateWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Demo", NULL, NULL);
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glfwMakeContextCurrent(win);
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glfwGetWindowSize(win, &width, &height);
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/* GUI */
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ctx = nk_glfw3_init(win, NK_GLFW3_INSTALL_CALLBACKS);
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/* Load Fonts: if none of these are loaded a default font will be used */
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/* Load Cursor: if you uncomment cursor loading please hide the cursor */
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{
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struct nk_font_atlas *atlas;
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nk_glfw3_font_stash_begin(&atlas);
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/*struct nk_font *droid = nk_font_atlas_add_from_file(atlas,
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* "../../../extra_font/DroidSans.ttf", 14, 0);*/
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/*struct nk_font *roboto = nk_font_atlas_add_from_file(atlas,
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* "../../../extra_font/Roboto-Regular.ttf", 14, 0);*/
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/*struct nk_font *future = nk_font_atlas_add_from_file(atlas,
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* "../../../extra_font/kenvector_future_thin.ttf", 13, 0);*/
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/*struct nk_font *clean = nk_font_atlas_add_from_file(atlas,
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* "../../../extra_font/ProggyClean.ttf", 12, 0);*/
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/*struct nk_font *tiny = nk_font_atlas_add_from_file(atlas,
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* "../../../extra_font/ProggyTiny.ttf", 10, 0);*/
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nk_rune ranges_latin[] = {
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0x0020, 0x007E, /* Ascii */
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0x00A1, 0x00FF, /* Symbols + Umlaute */
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0x0410, 0x044F, /* Main Cyrillic */
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0
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};
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struct nk_font_config cfg_japan = nk_font_config(0);
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cfg_japan.range = ranges_latin;
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struct nk_font *compassgold_font = nk_font_atlas_add_from_file(atlas, "Ubuntu-R.ttf", 18, 0, &cfg_japanm );
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nk_style_set_font(ctx, &compassgold_font->handle);
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nk_glfw3_font_stash_end();
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}
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bg.r = 0.10f, bg.g = 0.18f, bg.b = 0.24f, bg.a = 1.0f;
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while (!glfwWindowShouldClose(win)) {
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/* Input */
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glfwPollEvents();
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nk_glfw3_new_frame();
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/* GUI */
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if (nk_begin(ctx, "Demo", nk_rect(0, 0, 230, 250), NK_WINDOW_BORDER)) {
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enum { EASY, HARD };
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static int op = EASY;
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static char text[1][64];
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static int text_len[3];
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nk_layout_row_static(ctx, 30, 80, 1);
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nk_label(ctx, "Введите URL", NK_TEXT_CENTERED);
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nk_edit_string(ctx, NK_EDIT_FIELD, text[0], &text_len[2], 64, nk_filter_default);
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if (nk_button_label(ctx, "button"))
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fprintf(stdout, "button pressed\n");
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nk_layout_row_dynamic(ctx, 30, 2);
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if (nk_option_label(ctx, "easy", op == EASY))
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op = EASY;
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if (nk_option_label(ctx, "hard", op == HARD))
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op = HARD;
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}
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nk_end(ctx);
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/* Draw */
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glfwGetWindowSize(win, &width, &height);
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glViewport(0, 0, width, height);
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glClear(GL_COLOR_BUFFER_BIT);
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glClearColor(bg.r, bg.g, bg.b, bg.a);
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/* IMPORTANT: `nk_glfw_render` modifies some global OpenGL state
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* with blending, scissor, face culling and depth test and defaults
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* everything back into a default state. Make sure to either save and
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* restore or reset your own state after drawing rendering the UI. */
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nk_glfw3_render(NK_ANTI_ALIASING_ON);
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glfwSwapBuffers(win);
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}
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nk_glfw3_shutdown();
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glfwTerminate();
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return 0;
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}
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