1 /* nuklear - v1.32.0 - public domain */
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <stdint.h>
5 #include <stdarg.h>
6 #include <string.h>
7 #include <math.h>
8 #include <assert.h>
9 #include <math.h>
10 #include <limits.h>
11 #include <time.h>
12 
13 #include <SFML/Window.hpp>
14 
15 #define NK_INCLUDE_FIXED_TYPES
16 #define NK_INCLUDE_STANDARD_IO
17 #define NK_INCLUDE_STANDARD_VARARGS
18 #define NK_INCLUDE_DEFAULT_ALLOCATOR
19 #define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
20 #define NK_INCLUDE_FONT_BAKING
21 #define NK_INCLUDE_DEFAULT_FONT
22 #define NK_IMPLEMENTATION
23 #define NK_SFML_GL3_IMPLEMENTATION
24 #include "../../nuklear.h"
25 #include "nuklear_sfml_gl3.h"
26 
27 #define WINDOW_WIDTH 1200
28 #define WINDOW_HEIGHT 800
29 
30 #define MAX_VERTEX_BUFFER 512 * 1024
31 #define MAX_ELEMENT_BUFFER 128 * 1024
32 
33 /* ===============================================================
34  *
35  *                          EXAMPLE
36  *
37  * ===============================================================*/
38 /* This are some code examples to provide a small overview of what can be
39  * done with this library. To try out an example uncomment the defines */
40 /*#define INCLUDE_ALL */
41 /*#define INCLUDE_STYLE */
42 /*#define INCLUDE_CALCULATOR */
43 /*#define INCLUDE_OVERVIEW */
44 /*#define INCLUDE_NODE_EDITOR */
45 
46 #ifdef INCLUDE_ALL
47   #define INCLUDE_STYLE
48   #define INCLUDE_CALCULATOR
49   #define INCLUDE_OVERVIEW
50   #define INCLUDE_NODE_EDITOR
51 #endif
52 
53 #ifdef INCLUDE_STYLE
54   #include "../style.c"
55 #endif
56 #ifdef INCLUDE_CALCULATOR
57   #include "../calculator.c"
58 #endif
59 #ifdef INCLUDE_OVERVIEW
60   #include "../overview.c"
61 #endif
62 #ifdef INCLUDE_NODE_EDITOR
63   #include "../node_editor.c"
64 #endif
65 
66 /* ===============================================================
67  *
68  *                          DEMO
69  *
70  * ===============================================================*/
main(void)71 int main(void)
72 {
73     /* Platform */
74     sf::ContextSettings settings(24, 8, 4, 3, 3);
75     sf::Window win(sf::VideoMode(WINDOW_WIDTH, WINDOW_HEIGHT), "Demo", sf::Style::Default, settings);
76     win.setVerticalSyncEnabled(true);
77     win.setActive(true);
78     if(!gladLoadGL()) { /* Load OpenGL extensions */
79         printf("Failed to load OpenGL extensions!\n");
80         return -1;
81     }
82     glViewport(0, 0, win.getSize().x, win.getSize().y);
83 
84     /* GUI */
85     struct nk_context *ctx;
86     ctx = nk_sfml_init(&win);
87     /* Load Fonts: if none of these are loaded a default font will be used  */
88     /* Load Cursor: if you uncomment cursor loading please hide the cursor */
89     struct nk_font_atlas *atlas;
90     nk_sfml_font_stash_begin(&atlas);
91     /*struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "../../../extra_font/DroidSans.ttf", 14, 0);*/
92     /*struct nk_font *roboto = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Roboto-Regular.ttf", 14, 0);*/
93     /*struct nk_font *future = nk_font_atlas_add_from_file(atlas, "../../../extra_font/kenvector_future_thin.ttf", 13, 0);*/
94     /*struct nk_font *clean = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyClean.ttf", 12, 0);*/
95     /*struct nk_font *tiny = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyTiny.ttf", 10, 0);*/
96     /*struct nk_font *cousine = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Cousine-Regular.ttf", 13, 0);*/
97     nk_sfml_font_stash_end();
98     /*nk_style_load_all_cursors(ctx, atlas->cursors);*/
99     /*nk_style_set_font(ctx, &droid->handle);*/
100 
101     /* style.c */
102     #ifdef INCLUDE_STYLE
103     /*set_style(ctx, THEME_WHITE);*/
104     /*set_style(ctx, THEME_RED);*/
105     /*set_style(ctx, THEME_BLUE);*/
106     /*set_style(ctx, THEME_DARK);*/
107     #endif
108 
109     struct nk_colorf bg;
110     bg.r = 0.10f, bg.g = 0.18f, bg.b = 0.24f, bg.a = 1.0f;
111     while (win.isOpen())
112     {
113         /* Input */
114         sf::Event evt;
115         nk_input_begin(ctx);
116         while(win.pollEvent(evt)) {
117             if(evt.type == sf::Event::Closed)
118                 win.close();
119             else if(evt.type == sf::Event::Resized)
120                 glViewport(0, 0, evt.size.width, evt.size.height);
121 
122             nk_sfml_handle_event(&evt);
123         }
124         nk_input_end(ctx);
125 
126         /* GUI */
127         if (nk_begin(ctx, "Demo", nk_rect(50, 50, 230, 250),
128             NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
129             NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE))
130         {
131             enum {EASY, HARD};
132             static int op = EASY;
133             static int property = 20;
134             nk_layout_row_static(ctx, 30, 80, 1);
135             if (nk_button_label(ctx, "button"))
136                 fprintf(stdout, "button pressed\n");
137 
138             nk_layout_row_dynamic(ctx, 30, 2);
139             if (nk_option_label(ctx, "easy", op == EASY)) op = EASY;
140             if (nk_option_label(ctx, "hard", op == HARD)) op = HARD;
141 
142             nk_layout_row_dynamic(ctx, 25, 1);
143             nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1);
144 
145             nk_layout_row_dynamic(ctx, 20, 1);
146             nk_label(ctx, "background:", NK_TEXT_LEFT);
147             nk_layout_row_dynamic(ctx, 25, 1);
148             if (nk_combo_begin_color(ctx, nk_rgb_cf(bg), nk_vec2(nk_widget_width(ctx),400))) {
149                 nk_layout_row_dynamic(ctx, 120, 1);
150                 bg = nk_color_picker(ctx, bg, NK_RGBA);
151                 nk_layout_row_dynamic(ctx, 25, 1);
152                 bg.r = nk_propertyf(ctx, "#R:", 0, bg.r, 1.0f, 0.01f,0.005f);
153                 bg.g = nk_propertyf(ctx, "#G:", 0, bg.g, 1.0f, 0.01f,0.005f);
154                 bg.b = nk_propertyf(ctx, "#B:", 0, bg.b, 1.0f, 0.01f,0.005f);
155                 bg.a = nk_propertyf(ctx, "#A:", 0, bg.a, 1.0f, 0.01f,0.005f);
156                 nk_combo_end(ctx);
157             }
158         }
159         nk_end(ctx);
160 
161         /* -------------- EXAMPLES ---------------- */
162         #ifdef INCLUDE_CALCULATOR
163           calculator(ctx);
164         #endif
165         #ifdef INCLUDE_OVERVIEW
166           overview(ctx);
167         #endif
168         #ifdef INCLUDE_NODE_EDITOR
169           node_editor(ctx);
170         #endif
171         /* ----------------------------------------- */
172 
173         /* Draw */
174         float bg[4];
175         win.setActive(true);
176         nk_color_fv(bg, background);
177         glClear(GL_COLOR_BUFFER_BIT);
178         glClearColor(bg.r, bg.g, bg.b, bg.a);
179         /* IMPORTANT: `nk_sfml_render` modifies some global OpenGL state
180         * with blending, scissor, face culling and depth test and defaults everything
181         * back into a default state. Make sure to either save and restore or
182         * reset your own state after drawing rendering the UI. */
183         nk_sfml_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER);
184         win.display();
185     }
186     nk_sfml_shutdown();
187     return 0;
188 }
189 
190