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Added OpenGL3 for SFML and also working on "pure" SFML renderer.

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This commit is contained in:
Ricardo Antonio Tejada 2017-02-17 17:54:24 -05:00
parent 2babe51576
commit 73b0b945b4
8 changed files with 1505 additions and 0 deletions
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8
demo/sfml/Makefile Normal file
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SFML_INC = -I C:/Users/Ricky/MinGW-Libs/SFML/include
SFML_LIB = -L C:/Users/Ricky/MinGW-Libs/SFML/lib
LIBS = -DSFML_STATIC -lmingw32 -lsfml-window-s -lsfml-system-s -lopengl32 -lwinmm -lgdi32
build:
g++ main.cpp $(SFML_INC) $(SFML_LIB) $(LIBS) -o demo.exe

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demo/sfml/build.bat Normal file
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mingw32-make -f Makefile
pause

178
demo/sfml/main.cpp Normal file
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/* nuklear - v1.32.0 - public domain */
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include <math.h>
#include <assert.h>
#include <math.h>
#include <limits.h>
#include <time.h>
#include <SFML/Window.hpp>
#include <SFML/OpenGL.hpp>
#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_SFML_GL2_IMPLEMENTATION
#include "../../nuklear.h"
#include "nuklear_sfml_gl2.h"
#define WINDOW_WIDTH 800
#define WINDOW_HEIGHT 600
#define MAX_VERTEX_BUFFER 512 * 1024
#define MAX_ELEMENT_BUFFER 128 * 1024
#define UNUSED(a) (void)a
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a)/sizeof(a)[0])
/* ===============================================================
*
* EXAMPLE
*
* ===============================================================*/
/* This are some code examples to provide a small overview of what can be
* done with this library. To try out an example uncomment the include
* and the corresponding function. */
//#include "../style.c"
//#include "../calculator.c"
#include "../overview.c"
//#include "../node_editor.c"
/* ===============================================================
*
* DEMO
*
* ===============================================================*/
int main(void)
{
/* Platform */
sf::ContextSettings settings(24, 8, 4, 2, 2);
sf::Window window(sf::VideoMode(WINDOW_WIDTH, WINDOW_HEIGHT), "Demo", sf::Style::Default, settings);
window.setVerticalSyncEnabled(true);
window.setActive(true);
glViewport(0, 0, window.getSize().x, window.getSize().y);
struct nk_context *ctx;
struct nk_color background;
/* GUI */
ctx = nk_sfml_init(&window);
/* Load Fonts: if none of these are loaded a default font will be used */
/* Load Cursor: if you uncomment cursor loading please hide the cursor */
{
struct nk_font_atlas *atlas;
nk_sfml_font_stash_begin(&atlas);
/*struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "../../../extra_font/DroidSans.ttf", 14, 0);*/
/*struct nk_font *roboto = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Roboto-Regular.ttf", 14, 0);*/
/*struct nk_font *future = nk_font_atlas_add_from_file(atlas, "../../../extra_font/kenvector_future_thin.ttf", 13, 0);*/
/*struct nk_font *clean = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyClean.ttf", 12, 0);*/
/*struct nk_font *tiny = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyTiny.ttf", 10, 0);*/
/*struct nk_font *cousine = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Cousine-Regular.ttf", 13, 0);*/
nk_sfml_font_stash_end();
/*nk_style_load_all_cursors(ctx, atlas->cursors);*/
/*nk_style_set_font(ctx, &droid->handle);*/
}
/* style.c */
/*set_style(ctx, THEME_WHITE);*/
/*set_style(ctx, THEME_RED);*/
/*set_style(ctx, THEME_BLUE);*/
/*set_style(ctx, THEME_DARK);*/
background = nk_rgb(28,48,62);
while (window.isOpen())
{
/* Input */
sf::Event event;
nk_input_begin(ctx);
while(window.pollEvent(event))
{
if(event.type == sf::Event::Closed)
window.close();
else if(event.type == sf::Event::Resized)
{
// adjust the viewport when the window is resized
glViewport(0, 0, event.size.width, event.size.height);
}
nk_sfml_handle_event(&event);
}
nk_input_end(ctx);
/* GUI */
if (nk_begin(ctx, "Demo", nk_rect(50, 50, 230, 250),
NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE))
{
enum {EASY, HARD};
static int op = EASY;
static int property = 20;
nk_layout_row_static(ctx, 30, 80, 1);
if (nk_button_label(ctx, "button"))
fprintf(stdout, "button pressed\n");
nk_layout_row_dynamic(ctx, 30, 2);
if (nk_option_label(ctx, "easy", op == EASY)) op = EASY;
if (nk_option_label(ctx, "hard", op == HARD)) op = HARD;
nk_layout_row_dynamic(ctx, 25, 1);
nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1);
nk_layout_row_dynamic(ctx, 20, 1);
nk_label(ctx, "background:", NK_TEXT_LEFT);
nk_layout_row_dynamic(ctx, 25, 1);
if (nk_combo_begin_color(ctx, background, nk_vec2(nk_widget_width(ctx),400))) {
nk_layout_row_dynamic(ctx, 120, 1);
background = nk_color_picker(ctx, background, NK_RGBA);
nk_layout_row_dynamic(ctx, 25, 1);
background.r = (nk_byte)nk_propertyi(ctx, "#R:", 0, background.r, 255, 1,1);
background.g = (nk_byte)nk_propertyi(ctx, "#G:", 0, background.g, 255, 1,1);
background.b = (nk_byte)nk_propertyi(ctx, "#B:", 0, background.b, 255, 1,1);
background.a = (nk_byte)nk_propertyi(ctx, "#A:", 0, background.a, 255, 1,1);
nk_combo_end(ctx);
}
}
nk_end(ctx);
/* -------------- EXAMPLES ---------------- */
//calculator(ctx);
overview(ctx);
//node_editor(ctx);
/* ----------------------------------------- */
/* Draw */
{
window.setActive(true);
float bg[4];
nk_color_fv(bg, background);
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(bg[0], bg[1], bg[2], bg[3]);
/* IMPORTANT: `nk_sfml_render` modifies some global OpenGL state
* with blending, scissor, face culling and depth test and defaults everything
* back into a default state. Make sure to either save and restore or
* reset your own state after drawing rendering the UI. */
nk_sfml_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER);
window.display();
}
}
nk_sfml_shutdown();
return 0;
}

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demo/sfml/nuklear_sfml.h Normal file
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/*
* Nuklear - 1.32.0 - public domain
* no warrenty implied; use at your own risk.
* authored from 2015-2016 by Micha Mettke
*/
/*
* ==============================================================
*
* API
*
* ===============================================================
*/
#ifndef NK_SFML_H_
#define NK_SFML_H_
#include <string>
#include <SFML/Graphics.hpp>
NK_API struct nk_context* nk_sfml_init(NkSFMLFont* sfmlfont, sf::RenderWindow* window, sf::View view);
NK_API int nk_sfml_handle_event(sf::Event* event);
NK_API void nk_sfml_render(enum nk_anti_aliasing, int max_vertex_buffer, int max_element_buffer);
NK_API void nk_sfml_shutdown(void);
typedef struct NkSFMLFont;
NK_API NkSFMLFont* nk_sfml_font_create(const std::string& file_name, int font_size, int flags);
NK_API void nk_sfml_font_delete(NkSFMLFont);
NK_API void nk_sfml_font_set(NkSFMLFont);
#endif
/*
* ==============================================================
*
* IMPLEMENTATION
*
* ===============================================================
*/
#ifdef NK_SFML_IMPLEMENTATION
sf::Shape& RoundedRectangle(float rectWidth, float rectHeight, float radius)
{
sf::Shape round_rect;
rect->SetOutlineWidth(Outline);
float a = 0.0f;
float b = 0.0f;
for(int i=0; i<POINTS; i++)
{
X+=radius/POINTS;
Y=sqrt(radius*radius-X*X);
rrect->AddPoint(X+x+rectWidth-radius,y-Y+radius,Col,OutlineCol);
}
Y=0;
for(int i=0; i<POINTS; i++)
{
Y+=radius/POINTS;
X=sqrt(radius*radius-Y*Y);
rrect->AddPoint(x+rectWidth+X-radius,y+rectHeight-radius+Y,Col,OutlineCol);
}
X=0;
for(int i=0; i<POINTS; i++)
{
X+=radius/POINTS;
Y=sqrt(radius*radius-X*X);
rrect->AddPoint(x+radius-X,y+rectHeight-radius+Y,Col,OutlineCol);
}
Y=0;
for(int i=0; i<POINTS; i++)
{
Y+=radius/POINTS;
X=sqrt(radius*radius-Y*Y);
rrect->AddPoint(x-X+radius,y+radius-Y,Col,OutlineCol);
}
return *rrect;
}
struct NkSFMLFont
{
struct nk_user_font nk;
int height;
sf::Font font;
};
static struct nk_sfml
{
sf::RenderWindow* window;
sf::View view;
struct nk_context ctx;
struct nk_buffer cmds;
} sfml;
NK_API NkSFMLFont*
nk_sfml_font_create(const std::string& file_name)
{
NkSFMLFont* font = (NkSFMLFont*)calloc(1, sizeof(NkSFMLFont));
if(!font->font.loadFromFile(file_name))
{
fprintf(stdout, "Unable to load font file: %s\n", file_name);
return NULL;
}
// I really need to think of a better way of doing this
sf::Text text("abjdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789", font->font);
font->height = text.getGlobalBounds().height;
return font;
}
static float
nk_sfml_font_get_text_width(nk_handle handle, float height, const char* string, int len)
{
NkSFMLFont* font = (NkSFMLFont*)handle.ptr;
if(!font || !string)
return 0;
sf::Text sfmltext(font->font, string);
//char strcpy[len + 1];
//strncpy((char*)&strcpy, text, len);
//strcpy[len] = '\0';
return sfmltext.getGlobalBounds().width;
}
NK_API void
nk_sfml_font_set(NkSFMLFont* sfmlfont)
{
struct nk_user_font* font = &sfmlfont->nk;
font->userdata = nk_handle_ptr(sfmlfont);
font->height = (float)sfmlfont->height;
font->width = nk_sfml_font_get_text_width;
nk_style_set_font(&sfml.ctx, font);
}
NK_API void
nk_sfml_font_del(NkSFMLFont* font)
{
if(!font)
return;
free(font);
}
static sf::Color
nk_color_to_sfml(struct nk_color color)
{
return sf::Color(color.r, color.g, color.b, color.a);
}
NK_API void
nk_sfml_render(enum nk_anti_aliasing AA, int max_vertex_buffer, int max_element_buffer)
{
const struct nk_command *cmd;
nk_foreach(cmd, &sfml.ctx)
{
sf::Color color;
switch (cmd->type)
{
case NK_COMMAND_NOP: break;
case NK_COMMAND_SCISSOR:
{
const struct nk_command_scissor *s = (const struct nk_command_scissor*)cmd;
//sf::RenderTexture clip_tex((unsigned int)s->x, (unsigned int)s->y);
//sf::Sprite clip;
sf::View view;
view.setCenter(s->x, s->y);
view.setSize(s->w, s->h);
sfml.window->setView(view);
//al_set_clipping_rectangle((int)s->x, (int)s->y, (int)s->w, (int)s->h);
} break;
case NK_COMMAND_LINE:
{
const struct nk_command_line *l = (const struct nk_command_line *)cmd;
color = nk_color_to_sfml(l->color);
sf::Vertex line[] =
{
sf::Vertex(sf::Vector2f((float)l->begin.x - l->line_thickness, (float)l->begin.y + l->line_thickness), color),
sf::Vertex(sf::Vector2f((float)l->begin.x + l->line_thickness, (float)l->begin.y - l->line_thickness), color),
sf::Vertex(sf::Vector2f((float)l->end.x + l->line_thickness, (float)l->end.y - l->line_thickness), color),
sf::Vertex(sf::Vector2f((float)l->end.x - l->line_thickness, (float)l->end.y + l->line_thickness), color)
};
sfml.window->draw(line, sf::Quads);
} break;
case NK_COMMAND_RECT:
{
const struct nk_command_rect *r = (const struct nk_command_rect *)cmd;
color = nk_color_to_sfml(l->color);
sf::RectangleShape rect;
rect.setSize(sf::Vector2f(()))
sfml.window->draw(line, sf::Quads);
color = nk_color_to_sfml(r->color);
al_draw_rounded_rectangle(
(float)r->x, (float)r->y, (float)(r->x + r->w),
(float)(r->y + r->h), (float)r->rounding, (float)r->rounding, color,
(float)r->line_thickness);
} break;
case NK_COMMAND_RECT_FILLED:
{
const struct nk_command_rect_filled *r = (const struct nk_command_rect_filled *)cmd;
color = nk_color_to_sfml(r->color);
al_draw_filled_rounded_rectangle(
(float)r->x, (float)r->y,
(float)(r->x + r->w), (float)(r->y + r->h), (float)r->rounding,
(float)r->rounding, color);
} break;
case NK_COMMAND_CIRCLE:
{
const struct nk_command_circle *c = (const struct nk_command_circle *)cmd;
color = nk_color_to_sfml(c->color);
float xr, yr;
xr = (float)c->w/2;
yr = (float)c->h/2;
al_draw_ellipse(
((float)(c->x)) + xr, ((float)c->y) + yr,
xr, yr, color, (float)c->line_thickness);
} break;
case NK_COMMAND_CIRCLE_FILLED:
{
const struct nk_command_circle_filled *c = (const struct nk_command_circle_filled *)cmd;
color = nk_color_to_sfml(c->color);
float xr, yr;
xr = (float)c->w/2;
yr = (float)c->h/2;
al_draw_filled_ellipse(
((float)(c->x)) + xr, ((float)c->y) + yr,
xr, yr, color);
} break;
case NK_COMMAND_TRIANGLE:
{
const struct nk_command_triangle*t = (const struct nk_command_triangle*)cmd;
color = nk_color_to_sfml(t->color);
al_draw_triangle(
(float)t->a.x, (float)t->a.y, (float)t->b.x, (float)t->b.y,
(float)t->c.x, (float)t->c.y, color, (float)t->line_thickness);
} break;
case NK_COMMAND_TRIANGLE_FILLED:
{
const struct nk_command_triangle_filled *t = (const struct nk_command_triangle_filled *)cmd;
color = nk_color_to_sfml(t->color);
al_draw_filled_triangle(
(float)t->a.x, (float)t->a.y, (float)t->b.x,
(float)t->b.y, (float)t->c.x, (float)t->c.y, color);
} break;
case NK_COMMAND_POLYGON:
{
const struct nk_command_polygon *p = (const struct nk_command_polygon*)cmd;
color = nk_color_to_sfml(p->color);
int i;
float vertices[p->point_count * 2];
for (i = 0; i < p->point_count; i++)
{
vertices[i*2] = p->points[i].x;
vertices[(i*2) + 1] = p->points[i].y;
}
al_draw_polyline(
(const float*)&vertices, (2 * sizeof(float)),
(int)p->point_count, ALLEGRO_LINE_JOIN_ROUND, ALLEGRO_LINE_CAP_CLOSED,
color, (float)p->line_thickness, 0.0);
} break;
case NK_COMMAND_POLYGON_FILLED:
{
const struct nk_command_polygon_filled *p = (const struct nk_command_polygon_filled *)cmd;
color = nk_color_to_sfml(p->color);
int i;
float vertices[p->point_count * 2];
for (i = 0; i < p->point_count; i++)
{
vertices[i*2] = p->points[i].x;
vertices[(i*2) + 1] = p->points[i].y;
}
al_draw_filled_polygon((const float*)&vertices, (int)p->point_count, color);
} break;
case NK_COMMAND_POLYLINE:
{
const struct nk_command_polyline *p = (const struct nk_command_polyline *)cmd;
color = nk_color_to_sfml(p->color);
int i;
float vertices[p->point_count * 2];
for (i = 0; i < p->point_count; i++)
{
vertices[i*2] = p->points[i].x;
vertices[(i*2) + 1] = p->points[i].y;
}
al_draw_polyline(
(const float*)&vertices, (2 * sizeof(float)),
(int)p->point_count, ALLEGRO_LINE_JOIN_ROUND, ALLEGRO_LINE_CAP_ROUND,
color, (float)p->line_thickness, 0.0);
} break;
case NK_COMMAND_TEXT:
{
const struct nk_command_text *t = (const struct nk_command_text*)cmd;
color = nk_color_to_sfml(t->foreground);
NkAllegro5Font *font = (NkAllegro5Font*)t->font->userdata.ptr;
al_draw_text(
font->font,
color, (float)t->x, (float)t->y, 0,
(const char*)t->string);
} break;
case NK_COMMAND_CURVE:
{
const struct nk_command_curve *q = (const struct nk_command_curve *)cmd;
color = nk_color_to_sfml(q->color);
float points[8];
points[0] = (float)q->begin.x;
points[1] = (float)q->begin.y;
points[2] = (float)q->ctrl[0].x;
points[3] = (float)q->ctrl[0].y;
points[4] = (float)q->ctrl[1].x;
points[5] = (float)q->ctrl[1].y;
points[6] = (float)q->end.x;
points[7] = (float)q->end.y;
al_draw_spline(points, color, (float)q->line_thickness);
} break;
case NK_COMMAND_ARC:
{
const struct nk_command_arc *a = (const struct nk_command_arc *)cmd;
color = nk_color_to_sfml(a->color);
al_draw_arc(
(float)a->cx, (float)a->cy, (float)a->r, a->a[0],
a->a[1], color, (float)a->line_thickness);
} break;
case NK_COMMAND_RECT_MULTI_COLOR:
case NK_COMMAND_IMAGE:
case NK_COMMAND_ARC_FILLED:
default: break;
}
}
nk_clear(&allegro5.ctx);
}
static void
nk_sfml_clipboard_paste(nk_handle usr, struct nk_text_edit* edit)
{
/* Not Implemented in SFML
sf::Clipboard clipboard(sfml.window);
const char* text = clipboard.getText();
if(text)
nk_textedit_paste(edit, text, nk_strlen(text));
(void)usr;
*/
}
static void
nk_sfml_clipboard_copy(nk_handle usr, const char* text, int len)
{
char* str = 0;
(void)usr;
if(!len)
return;
str = (char*)malloc((size_t)len+1);
if(!str)
return;
memcpy(str, text, (size_t)len);
str[len] = '\0';
/* Not Implemented in SFML
sf::Clipboard clipboard(sfml.window);
clipboard.setText(str);
*/
free(str);
}
NK_API struct nk_context*
nk_sfml_init(NkSFMLFont* sfmlfont, sf::RenderWindow* window, sf::View view)
{
struct nk_user_font* font = &sfmlfont->nk;
font->userdata = nk_handle_ptr(sfmlfont);
font->height = (float)sfmlfont->height;
font->width = nk_sfml_get_text_width;
sfml.window = window;
sfml.view = view;
nk_init_default(&sfml.ctx, font);
sfml.ctx.clip.copy = nk_sfml_clipboard_copy;
sfml.ctx.clip.paste = nk_sfml_clipboard_paste;
sfml.ctx.clip.userdata = nk_handle_ptr(0);
return &sfml.ctx;
}
NK_API int
nk_sfml_handle_event(sf::Event* event)
{
struct nk_context* ctx = &sfml.ctx;
/* optional grabbing behavior */
if(ctx->input.mouse.grab)
{
sfml.window->setMouseCursorGrabbed(true);
ctx->input.mouse.grab = 0;
}
else if(ctx->input.mouse.ungrab)
{
int x = (int)ctx->input.mouse.prev.x;
int y = (int)ctx->input.mouse.prev.y;
sfml.window->setMouseCursorGrabbed(false);
sf::Mouse::setPosition(sf::Vector2i(x, y));
ctx->input.mouse.ungrab = 0;
}
if(event->type == sf::Event::KeyReleased || event->type == sf::Event::KeyPressed)
{
int down = event->type == sf::Event::KeyPressed;
sf::Keyboard::Key key = event->key.code;
if(key == sf::Keyboard::RShift || key == sf::Keyboard::LShift)
nk_input_key(ctx, NK_KEY_SHIFT, down);
else if(key == sf::Keyboard::Delete)
nk_input_key(ctx, NK_KEY_DEL, down);
else if(key == sf::Keyboard::Return)
nk_input_key(ctx, NK_KEY_ENTER, down);
else if(key == sf::Keyboard::Tab)
nk_input_key(ctx, NK_KEY_TAB, down);
else if(key == sf::Keyboard::BackSpace)
nk_input_key(ctx, NK_KEY_BACKSPACE, down);
else if(key == sf::Keyboard::Home)
{
nk_input_key(ctx, NK_KEY_TEXT_START, down);
nk_input_key(ctx, NK_KEY_SCROLL_START, down);
}
else if(key == sf::Keyboard::End)
{
nk_input_key(ctx, NK_KEY_TEXT_END, down);
nk_input_key(ctx, NK_KEY_SCROLL_END, down);
}
else if(key == sf::Keyboard::PageDown)
nk_input_key(ctx, NK_KEY_SCROLL_DOWN, down);
else if(key == sf::Keyboard::PageUp)
nk_input_key(ctx, NK_KEY_SCROLL_DOWN, down);
else if(key == sf::Keyboard::Z)
nk_input_key(ctx, NK_KEY_TEXT_UNDO, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::R)
nk_input_key(ctx, NK_KEY_TEXT_REDO, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::C)
nk_input_key(ctx, NK_KEY_COPY, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::V)
nk_input_key(ctx, NK_KEY_PASTE, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::X)
nk_input_key(ctx, NK_KEY_CUT, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::B)
nk_input_key(ctx, NK_KEY_TEXT_LINE_START, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::E)
nk_input_key(ctx, NK_KEY_TEXT_LINE_END, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::Up)
nk_input_key(ctx, NK_KEY_UP, down);
else if(key == sf::Keyboard::Down)
nk_input_key(ctx, NK_KEY_DOWN, down);
else if(key == sf::Keyboard::Left)
{
if(sf::Keyboard::isKeyPressed(sf::Keyboard::LControl))
nk_input_key(ctx, NK_KEY_TEXT_WORD_LEFT, down);
else
nk_input_key(ctx, NK_KEY_LEFT, down);
}
else if(key == sf::Keyboard::Right)
{
if(sf::Keyboard::isKeyPressed(sf::Keyboard::LControl))
nk_input_key(ctx, NK_KEY_TEXT_WORD_RIGHT, down);
else
nk_input_key(ctx, NK_KEY_RIGHT, down);
}
else return 0;
return 1;
}
else if(event->type == sf::Event::MouseButtonPressed || event->type == sf::Event::MouseButtonReleased)
{
int down = event->type == sf::Event::MouseButtonPressed;
const int x = event->mouseButton.x;
const int y = event->mouseButton.y;
if(event->mouseButton.button == sf::Mouse::Left)
nk_input_button(ctx, NK_BUTTON_LEFT, x, y, down);
if(event->mouseButton.button == sf::Mouse::Middle)
nk_input_button(ctx, NK_BUTTON_MIDDLE, x, y, down);
if(event->mouseButton.button == sf::Mouse::Right)
nk_input_button(ctx, NK_BUTTON_RIGHT, x, y, down);
else
return 0;
return 1;
}
else if(event->type == sf::Event::MouseMoved)
{
if(ctx->input.mouse.grabbed)
{
int x = (int)ctx->input.mouse.prev.x + event->mouseMove.x;
int y = (int)ctx->input.mouse.prev.y + event->mouseMove.y;
nk_input_motion(ctx, x, y);
}
else
nk_input_motion(ctx, event->mouseMove.x, event->mouseMove.y);
return 1;
}
/* For Android*/
else if(event->type == sf::Event::TouchBegan || event->type == sf::Event::TouchEnded)
{
int down = event->type == sf::Event::TouchBegan;
const int x = event->touch.x;
const int y = event->touch.y;
nk_input_button(ctx, NK_BUTTON_LEFT, x, y, down);
return 1;
}
else if(event->type == sf::Event::TouchMoved)
{
if(ctx->input.mouse.grabbed)
{
int x = (int)ctx->input.mouse.prev.x;
int y = (int)ctx->input.mouse.prev.y;
nk_input_motion(ctx, x + event->touch.x, y + event->touch.y);
}
else
nk_input_motion(ctx, event->touch.x, event->touch.y);
return 1;
}
else if(event->type == sf::Event::TextEntered)
{
nk_input_unicode(ctx, event->text.unicode);
return 1;
}
else if(event->type == sf::Event::MouseWheelScrolled)
{
nk_input_scroll(ctx, event->mouseWheelScroll.delta);
return 1;
}
return 0;
}
NK_API
void nk_sfml_shutdown(void)
{
nk_free(&sfml.ctx);
memset(&sfml, 0, sizeof(sfml));
}
#endif

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demo/sfml_opengl3/Makefile Normal file
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GLAD_INC = -I C:/Users/Ricky/MinGW-Libs/GLAD/include
SFML_INC = -I C:/Users/Ricky/MinGW-Libs/SFML/include
SFML_LIB = -L C:/Users/Ricky/MinGW-Libs/SFML/lib
LIBS = -DGLAD_HEADER_ONLY -DSFML_STATIC -lmingw32 -lsfml-window-s -lsfml-system-s -lopengl32 -lwinmm -lgdi32
build:
g++ main.cpp $(GLAD_INC) $(SFML_INC) $(SFML_LIB) $(LIBS) -o demo.exe

2
demo/sfml_opengl3/build.bat Normal file
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mingw32-make -f Makefile
pause

183
demo/sfml_opengl3/main.cpp Normal file
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/* nuklear - v1.32.0 - public domain */
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include <math.h>
#include <assert.h>
#include <math.h>
#include <limits.h>
#include <time.h>
#include <SFML/Window.hpp>
#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_SFML_GL3_IMPLEMENTATION
#include "../../nuklear.h"
#include "nuklear_sfml_gl3.h"
#define WINDOW_WIDTH 800
#define WINDOW_HEIGHT 600
#define MAX_VERTEX_BUFFER 512 * 1024
#define MAX_ELEMENT_BUFFER 128 * 1024
#define UNUSED(a) (void)a
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a)/sizeof(a)[0])
/* ===============================================================
*
* EXAMPLE
*
* ===============================================================*/
/* This are some code examples to provide a small overview of what can be
* done with this library. To try out an example uncomment the include
* and the corresponding function. */
//#include "../style.c"
//#include "../calculator.c"
#include "../overview.c"
//#include "../node_editor.c"
/* ===============================================================
*
* DEMO
*
* ===============================================================*/
int main(void)
{
/* Platform */
sf::ContextSettings settings(24, 8, 4, 3, 3);
sf::Window window(sf::VideoMode(WINDOW_WIDTH, WINDOW_HEIGHT), "Demo", sf::Style::Default, settings);
window.setVerticalSyncEnabled(true);
window.setActive(true);
if(!gladLoadGL())
{
printf("Failed to load OpenGL extensions!\n");
return -1;
}
glViewport(0, 0, window.getSize().x, window.getSize().y);
struct nk_context *ctx;
struct nk_color background;
/* GUI */
ctx = nk_sfml_init(&window);
/* Load Fonts: if none of these are loaded a default font will be used */
/* Load Cursor: if you uncomment cursor loading please hide the cursor */
{
struct nk_font_atlas *atlas;
nk_sfml_font_stash_begin(&atlas);
/*struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "../../../extra_font/DroidSans.ttf", 14, 0);*/
/*struct nk_font *roboto = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Roboto-Regular.ttf", 14, 0);*/
/*struct nk_font *future = nk_font_atlas_add_from_file(atlas, "../../../extra_font/kenvector_future_thin.ttf", 13, 0);*/
/*struct nk_font *clean = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyClean.ttf", 12, 0);*/
/*struct nk_font *tiny = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyTiny.ttf", 10, 0);*/
/*struct nk_font *cousine = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Cousine-Regular.ttf", 13, 0);*/
nk_sfml_font_stash_end();
/*nk_style_load_all_cursors(ctx, atlas->cursors);*/
/*nk_style_set_font(ctx, &droid->handle);*/
}
/* style.c */
/*set_style(ctx, THEME_WHITE);*/
/*set_style(ctx, THEME_RED);*/
/*set_style(ctx, THEME_BLUE);*/
/*set_style(ctx, THEME_DARK);*/
background = nk_rgb(28,48,62);
while (window.isOpen())
{
/* Input */
sf::Event event;
nk_input_begin(ctx);
while(window.pollEvent(event))
{
if(event.type == sf::Event::Closed)
window.close();
else if(event.type == sf::Event::Resized)
{
// adjust the viewport when the window is resized
glViewport(0, 0, event.size.width, event.size.height);
}
nk_sfml_handle_event(&event);
}
nk_input_end(ctx);
/* GUI */
if (nk_begin(ctx, "Demo", nk_rect(50, 50, 230, 250),
NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE))
{
enum {EASY, HARD};
static int op = EASY;
static int property = 20;
nk_layout_row_static(ctx, 30, 80, 1);
if (nk_button_label(ctx, "button"))
fprintf(stdout, "button pressed\n");
nk_layout_row_dynamic(ctx, 30, 2);
if (nk_option_label(ctx, "easy", op == EASY)) op = EASY;
if (nk_option_label(ctx, "hard", op == HARD)) op = HARD;
nk_layout_row_dynamic(ctx, 25, 1);
nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1);
nk_layout_row_dynamic(ctx, 20, 1);
nk_label(ctx, "background:", NK_TEXT_LEFT);
nk_layout_row_dynamic(ctx, 25, 1);
if (nk_combo_begin_color(ctx, background, nk_vec2(nk_widget_width(ctx),400))) {
nk_layout_row_dynamic(ctx, 120, 1);
background = nk_color_picker(ctx, background, NK_RGBA);
nk_layout_row_dynamic(ctx, 25, 1);
background.r = (nk_byte)nk_propertyi(ctx, "#R:", 0, background.r, 255, 1,1);
background.g = (nk_byte)nk_propertyi(ctx, "#G:", 0, background.g, 255, 1,1);
background.b = (nk_byte)nk_propertyi(ctx, "#B:", 0, background.b, 255, 1,1);
background.a = (nk_byte)nk_propertyi(ctx, "#A:", 0, background.a, 255, 1,1);
nk_combo_end(ctx);
}
}
nk_end(ctx);
/* -------------- EXAMPLES ---------------- */
//calculator(ctx);
overview(ctx);
//node_editor(ctx);
/* ----------------------------------------- */
/* Draw */
{
window.setActive(true);
float bg[4];
nk_color_fv(bg, background);
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(bg[0], bg[1], bg[2], bg[3]);
/* IMPORTANT: `nk_sfml_render` modifies some global OpenGL state
* with blending, scissor, face culling and depth test and defaults everything
* back into a default state. Make sure to either save and restore or
* reset your own state after drawing rendering the UI. */
nk_sfml_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER);
window.display();
}
}
nk_sfml_shutdown();
return 0;
}

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demo/sfml_opengl3/nuklear_sfml_gl3.h Normal file
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/*
* Nuklear - 1.32.0 - public domain
* no warrenty implied; use at your own risk.
* authored from 2015-2016 by Micha Mettke
*/
/*
* ==============================================================
*
* API
*
* ===============================================================
*/
#ifndef NK_SFML_GL3_H_
#define NK_SFML_GL3_H_
#include <glad/glad.h>
#include <SFML/Window.hpp>
NK_API struct nk_context* nk_sfml_init(sf::Window* window);
NK_API void nk_sfml_font_stash_begin(struct nk_font_atlas** atlas);
NK_API void nk_sfml_font_stash_end(void);
NK_API int nk_sfml_handle_event(sf::Event* event);
NK_API void nk_sfml_render(enum nk_anti_aliasing, int max_vertex_buffer, int max_element_buffer);
NK_API void nk_sfml_shutdown(void);
NK_API void nk_sfml_device_create(void);
NK_API void nk_sfml_device_destroy(void);
#endif
/*
* ==============================================================
*
* IMPLEMENTATION
*
* ===============================================================
*/
#ifdef NK_SFML_GL3_IMPLEMENTATION
#include <string>
struct nk_sfml_device
{
struct nk_buffer cmds;
struct nk_draw_null_texture null;
GLuint vbo, vao, ebo;
GLuint prog;
GLuint vert_shdr;
GLuint frag_shdr;
GLint attrib_pos;
GLint attrib_uv;
GLint attrib_col;
GLint uniform_tex;
GLint uniform_proj;
GLuint font_tex;
};
struct nk_sfml_vertex
{
float position[2];
float uv[2];
nk_byte col[4];
};
static struct nk_sfml
{
sf::Window* window;
struct nk_sfml_device ogl;
struct nk_context ctx;
struct nk_font_atlas atlas;
} sfml;
#ifdef __APPLE__
#define NK_SHADER_VERSION "#version 150\n"
#else
#define NK_SHADER_VERSION "#version 300 es\n"
#endif
NK_API void
nk_sfml_device_create(void)
{
GLint status;
static const GLchar* vertex_shader =
NK_SHADER_VERSION
"uniform mat4 ProjMtx;\n"
"in vec2 Position;\n"
"in vec2 TexCoord;\n"
"in vec4 Color;\n"
"out vec2 Frag_UV;\n"
"out vec4 Frag_Color;\n"
"void main() {\n"
" Frag_UV = TexCoord;\n"
" Frag_Color = Color;\n"
" gl_Position = ProjMtx * vec4(Position.xy, 0, 1);\n"
"}\n";
static const GLchar *fragment_shader =
NK_SHADER_VERSION
"precision mediump float;\n"
"uniform sampler2D Texture;\n"
"in vec2 Frag_UV;\n"
"in vec4 Frag_Color;\n"
"out vec4 Out_Color;\n"
"void main(){\n"
" Out_Color = Frag_Color * texture(Texture, Frag_UV.st);\n"
"}\n";
struct nk_sfml_device* dev = &sfml.ogl;
nk_buffer_init_default(&dev->cmds);
dev->prog = glCreateProgram();
dev->vert_shdr = glCreateShader(GL_VERTEX_SHADER);
dev->frag_shdr = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(dev->vert_shdr, 1, &vertex_shader, 0);
glShaderSource(dev->frag_shdr, 1, &fragment_shader, 0);
glCompileShader(dev->vert_shdr);
glCompileShader(dev->frag_shdr);
glGetShaderiv(dev->vert_shdr, GL_COMPILE_STATUS, &status);
assert(status == GL_TRUE);
glGetShaderiv(dev->frag_shdr, GL_COMPILE_STATUS, &status);
assert(status == GL_TRUE);
glAttachShader(dev->prog, dev->vert_shdr);
glAttachShader(dev->prog, dev->frag_shdr);
glLinkProgram(dev->prog);
glGetProgramiv(dev->prog, GL_LINK_STATUS, &status);
assert(status == GL_TRUE);
dev->uniform_tex = glGetUniformLocation(dev->prog, "Texture");
dev->uniform_proj = glGetUniformLocation(dev->prog, "ProjMtx");
dev->attrib_pos = glGetAttribLocation(dev->prog, "Position");
dev->attrib_uv = glGetAttribLocation(dev->prog, "TexCoord");
dev->attrib_col = glGetAttribLocation(dev->prog, "Color");
{
/* buffer setup */
GLsizei vs = sizeof(struct nk_sfml_vertex);
size_t vp = offsetof(struct nk_sfml_vertex, position);
size_t vt = offsetof(struct nk_sfml_vertex, uv);
size_t vc = offsetof(struct nk_sfml_vertex, col);
glGenBuffers(1, &dev->vbo);
glGenBuffers(1, &dev->ebo);
glGenVertexArrays(1, &dev->vao);
glBindVertexArray(dev->vao);
glBindBuffer(GL_ARRAY_BUFFER, dev->vbo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, dev->ebo);
glEnableVertexAttribArray((GLuint)dev->attrib_pos);
glEnableVertexAttribArray((GLuint)dev->attrib_uv);
glEnableVertexAttribArray((GLuint)dev->attrib_col);
glVertexAttribPointer((GLuint)dev->attrib_pos, 2, GL_FLOAT, GL_FALSE, vs, (void*)vp);
glVertexAttribPointer((GLuint)dev->attrib_uv, 2, GL_FLOAT, GL_FALSE, vs, (void*)vt);
glVertexAttribPointer((GLuint)dev->attrib_col, 4, GL_UNSIGNED_BYTE, GL_TRUE, vs, (void*)vc);
}
glBindTexture(GL_TEXTURE_2D, 0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindVertexArray(0);
}
NK_API void
nk_sfml_device_destroy(void)
{
struct nk_sfml_device* dev = &sfml.ogl;
glDetachShader(dev->prog, dev->vert_shdr);
glDetachShader(dev->prog, dev->frag_shdr);
glDeleteShader(dev->vert_shdr);
glDeleteShader(dev->vert_shdr);
glDeleteProgram(dev->prog);
glDeleteTextures(1, &dev->font_tex);
glDeleteBuffers(1, &dev->vbo);
glDeleteBuffers(1, &dev->ebo);
nk_buffer_free(&dev->cmds);
}
NK_INTERN void
nk_sfml_device_upload_atlas(const void* image, int width, int height)
{
struct nk_sfml_device* dev = &sfml.ogl;
glGenTextures(1, &dev->font_tex);
glBindTexture(GL_TEXTURE_2D, dev->font_tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, (GLsizei)width, (GLsizei)height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, image);
}
NK_API void
nk_sfml_render(enum nk_anti_aliasing AA, int max_vertex_buffer, int max_element_buffer)
{
/* setup global state */
struct nk_sfml_device* dev = &sfml.ogl;
int window_width = sfml.window->getSize().x;
int window_height = sfml.window->getSize().y;
GLfloat ortho[4][4] =
{
{2.0f, 0.0f, 0.0f, 0.0f},
{0.0f,-2.0f, 0.0f, 0.0f},
{0.0f, 0.0f,-1.0f, 0.0f},
{-1.0f,1.0f, 0.0f, 1.0f},
};
ortho[0][0] /= (GLfloat)window_width;
ortho[1][1] /= (GLfloat)window_height;
glViewport(0, 0, window_width, window_height);
glEnable(GL_BLEND);
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
glEnable(GL_SCISSOR_TEST);
glActiveTexture(GL_TEXTURE0);
/* setup program */
glUseProgram(dev->prog);
glUniform1i(dev->uniform_tex, 0);
glUniformMatrix4fv(dev->uniform_proj, 1, GL_FALSE, &ortho[0][0]);
{
/* convert from command queue into draw list and draw to screen */
const struct nk_draw_command *cmd;
void *vertices, *elements;
const nk_draw_index *offset = NULL;
/* allocate vertex and element buffer */
glBindVertexArray(dev->vao);
glBindBuffer(GL_ARRAY_BUFFER, dev->vbo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, dev->ebo);
glBufferData(GL_ARRAY_BUFFER, max_vertex_buffer, NULL, GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, max_element_buffer, NULL, GL_STREAM_DRAW);
/* load vertices/elements directly into vertex/element buffer */
vertices = glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
elements = glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY);
{
/* fill convert configuration */
struct nk_convert_config config;
static const struct nk_draw_vertex_layout_element vertex_layout[] =
{
{NK_VERTEX_POSITION, NK_FORMAT_FLOAT, NK_OFFSETOF(struct nk_sfml_vertex, position)},
{NK_VERTEX_TEXCOORD, NK_FORMAT_FLOAT, NK_OFFSETOF(struct nk_sfml_vertex, uv)},
{NK_VERTEX_COLOR, NK_FORMAT_R8G8B8A8, NK_OFFSETOF(struct nk_sfml_vertex, col)},
{NK_VERTEX_LAYOUT_END}
};
NK_MEMSET(&config, 0, sizeof(config));
config.vertex_layout = vertex_layout;
config.vertex_size = sizeof(struct nk_sfml_vertex);
config.vertex_alignment = NK_ALIGNOF(struct nk_sfml_vertex);
config.null = dev->null;
config.circle_segment_count = 22;
config.curve_segment_count = 22;
config.arc_segment_count = 22;
config.global_alpha = 1.0f;
config.shape_AA = AA;
config.line_AA = AA;
/* setup buffers to load vertices and elements */
{
struct nk_buffer vbuf, ebuf;
nk_buffer_init_fixed(&vbuf, vertices, (nk_size)max_vertex_buffer);
nk_buffer_init_fixed(&ebuf, elements, (nk_size)max_element_buffer);
nk_convert(&sfml.ctx, &dev->cmds, &vbuf, &ebuf, &config);
}
}
glUnmapBuffer(GL_ARRAY_BUFFER);
glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER);
/* iterate over and execute each draw command */
nk_draw_foreach(cmd, &sfml.ctx, &dev->cmds)
{
if (!cmd->elem_count) continue;
glBindTexture(GL_TEXTURE_2D, (GLuint)cmd->texture.id);
glScissor(
(GLint)(cmd->clip_rect.x),
(GLint)((window_height - (GLint)(cmd->clip_rect.y + cmd->clip_rect.h))),
(GLint)(cmd->clip_rect.w),
(GLint)(cmd->clip_rect.h));
glDrawElements(GL_TRIANGLES, (GLsizei)cmd->elem_count, GL_UNSIGNED_SHORT, offset);
offset += cmd->elem_count;
}
nk_clear(&sfml.ctx);
}
glUseProgram(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindVertexArray(0);
glDisable(GL_BLEND);
glDisable(GL_SCISSOR_TEST);
}
static void
nk_sfml_clipboard_paste(nk_handle usr, struct nk_text_edit* edit)
{
/* Not Implemented in SFML
sf::Clipboard clipboard(sfml.window);
const char* text = clipboard.getText();
if(text)
nk_textedit_paste(edit, text, nk_strlen(text));
(void)usr;
*/
}
static void
nk_sfml_clipboard_copy(nk_handle usr, const char* text, int len)
{
char* str = 0;
(void)usr;
if(!len)
return;
str = (char*)malloc((size_t)len+1);
if(!str)
return;
memcpy(str, text, (size_t)len);
str[len] = '\0';
/* Not Implemented in SFML
sf::Clipboard clipboard(sfml.window);
clipboard.setText(str);
*/
free(str);
}
NK_API struct nk_context*
nk_sfml_init(sf::Window* window)
{
sfml.window = window;
nk_init_default(&sfml.ctx, 0);
sfml.ctx.clip.copy = nk_sfml_clipboard_copy;
sfml.ctx.clip.paste = nk_sfml_clipboard_paste;
sfml.ctx.clip.userdata = nk_handle_ptr(0);
//nk_buffer_init_default(&sfml.ogl.cmds);
nk_sfml_device_create();
return &sfml.ctx;
}
NK_API void
nk_sfml_font_stash_begin(struct nk_font_atlas** atlas)
{
nk_font_atlas_init_default(&sfml.atlas);
nk_font_atlas_begin(&sfml.atlas);
*atlas = &sfml.atlas;
}
NK_API void
nk_sfml_font_stash_end(void)
{
const void* image;
int w, h;
image = nk_font_atlas_bake(&sfml.atlas, &w, &h, NK_FONT_ATLAS_RGBA32);
nk_sfml_device_upload_atlas(image, w, h);
nk_font_atlas_end(&sfml.atlas, nk_handle_id((int)sfml.ogl.font_tex), &sfml.ogl.null);
if(sfml.atlas.default_font)
nk_style_set_font(&sfml.ctx, &sfml.atlas.default_font->handle);
}
NK_API int
nk_sfml_handle_event(sf::Event* event)
{
struct nk_context* ctx = &sfml.ctx;
/* optional grabbing behavior */
if(ctx->input.mouse.grab)
{
sfml.window->setMouseCursorGrabbed(true);
ctx->input.mouse.grab = 0;
}
else if(ctx->input.mouse.ungrab)
{
int x = (int)ctx->input.mouse.prev.x;
int y = (int)ctx->input.mouse.prev.y;
sfml.window->setMouseCursorGrabbed(false);
sf::Mouse::setPosition(sf::Vector2i(x, y));
ctx->input.mouse.ungrab = 0;
}
if(event->type == sf::Event::KeyReleased || event->type == sf::Event::KeyPressed)
{
int down = event->type == sf::Event::KeyPressed;
sf::Keyboard::Key key = event->key.code;
if(key == sf::Keyboard::RShift || key == sf::Keyboard::LShift)
nk_input_key(ctx, NK_KEY_SHIFT, down);
else if(key == sf::Keyboard::Delete)
nk_input_key(ctx, NK_KEY_DEL, down);
else if(key == sf::Keyboard::Return)
nk_input_key(ctx, NK_KEY_ENTER, down);
else if(key == sf::Keyboard::Tab)
nk_input_key(ctx, NK_KEY_TAB, down);
else if(key == sf::Keyboard::BackSpace)
nk_input_key(ctx, NK_KEY_BACKSPACE, down);
else if(key == sf::Keyboard::Home)
{
nk_input_key(ctx, NK_KEY_TEXT_START, down);
nk_input_key(ctx, NK_KEY_SCROLL_START, down);
}
else if(key == sf::Keyboard::End)
{
nk_input_key(ctx, NK_KEY_TEXT_END, down);
nk_input_key(ctx, NK_KEY_SCROLL_END, down);
}
else if(key == sf::Keyboard::PageDown)
nk_input_key(ctx, NK_KEY_SCROLL_DOWN, down);
else if(key == sf::Keyboard::PageUp)
nk_input_key(ctx, NK_KEY_SCROLL_DOWN, down);
else if(key == sf::Keyboard::Z)
nk_input_key(ctx, NK_KEY_TEXT_UNDO, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::R)
nk_input_key(ctx, NK_KEY_TEXT_REDO, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::C)
nk_input_key(ctx, NK_KEY_COPY, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::V)
nk_input_key(ctx, NK_KEY_PASTE, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::X)
nk_input_key(ctx, NK_KEY_CUT, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::B)
nk_input_key(ctx, NK_KEY_TEXT_LINE_START, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::E)
nk_input_key(ctx, NK_KEY_TEXT_LINE_END, down && sf::Keyboard::isKeyPressed(sf::Keyboard::LControl));
else if(key == sf::Keyboard::Up)
nk_input_key(ctx, NK_KEY_UP, down);
else if(key == sf::Keyboard::Down)
nk_input_key(ctx, NK_KEY_DOWN, down);
else if(key == sf::Keyboard::Left)
{
if(sf::Keyboard::isKeyPressed(sf::Keyboard::LControl))
nk_input_key(ctx, NK_KEY_TEXT_WORD_LEFT, down);
else
nk_input_key(ctx, NK_KEY_LEFT, down);
}
else if(key == sf::Keyboard::Right)
{
if(sf::Keyboard::isKeyPressed(sf::Keyboard::LControl))
nk_input_key(ctx, NK_KEY_TEXT_WORD_RIGHT, down);
else
nk_input_key(ctx, NK_KEY_RIGHT, down);
}
else return 0;
return 1;
}
else if(event->type == sf::Event::MouseButtonPressed || event->type == sf::Event::MouseButtonReleased)
{
int down = event->type == sf::Event::MouseButtonPressed;
const int x = event->mouseButton.x;
const int y = event->mouseButton.y;
if(event->mouseButton.button == sf::Mouse::Left)
nk_input_button(ctx, NK_BUTTON_LEFT, x, y, down);
if(event->mouseButton.button == sf::Mouse::Middle)
nk_input_button(ctx, NK_BUTTON_MIDDLE, x, y, down);
if(event->mouseButton.button == sf::Mouse::Right)
nk_input_button(ctx, NK_BUTTON_RIGHT, x, y, down);
else
return 0;
return 1;
}
else if(event->type == sf::Event::MouseMoved)
{
if(ctx->input.mouse.grabbed)
{
int x = (int)ctx->input.mouse.prev.x + event->mouseMove.x;
int y = (int)ctx->input.mouse.prev.y + event->mouseMove.y;
nk_input_motion(ctx, x, y);
}
else
nk_input_motion(ctx, event->mouseMove.x, event->mouseMove.y);
return 1;
}
/* For Android*/
else if(event->type == sf::Event::TouchBegan || event->type == sf::Event::TouchEnded)
{
int down = event->type == sf::Event::TouchBegan;
const int x = event->touch.x;
const int y = event->touch.y;
nk_input_button(ctx, NK_BUTTON_LEFT, x, y, down);
return 1;
}
else if(event->type == sf::Event::TouchMoved)
{
if(ctx->input.mouse.grabbed)
{
int x = (int)ctx->input.mouse.prev.x;
int y = (int)ctx->input.mouse.prev.y;
nk_input_motion(ctx, x + event->touch.x, y + event->touch.y);
}
else
nk_input_motion(ctx, event->touch.x, event->touch.y);
return 1;
}
else if(event->type == sf::Event::TextEntered)
{
nk_input_unicode(ctx, event->text.unicode);
return 1;
}
else if(event->type == sf::Event::MouseWheelScrolled)
{
nk_input_scroll(ctx, event->mouseWheelScroll.delta);
return 1;
}
return 0;
}
NK_API
void nk_sfml_shutdown(void)
{
nk_font_atlas_clear(&sfml.atlas);
nk_free(&sfml.ctx);
nk_sfml_device_destroy();
memset(&sfml, 0, sizeof(sfml));
}
#endif