From 5b4cc7b5eb9edef1c9c05ed9604c2ef0315489f0 Mon Sep 17 00:00:00 2001 From: Zidi Date: Wed, 26 Feb 2020 11:01:09 +0800 Subject: [PATCH] zidi fix backspace won't work problem in SFML UTF-8 --- demo/sfml_opengl3/nuklear_sfml_gl3.h | 4 +- demo/sfml_opengl3/nuklear_sfml_gl3.h.bak | 463 +++++++++++++++++++++++ 2 files changed, 466 insertions(+), 1 deletion(-) create mode 100644 demo/sfml_opengl3/nuklear_sfml_gl3.h.bak diff --git a/demo/sfml_opengl3/nuklear_sfml_gl3.h b/demo/sfml_opengl3/nuklear_sfml_gl3.h index fa2bc7e..1abe568 100644 --- a/demo/sfml_opengl3/nuklear_sfml_gl3.h +++ b/demo/sfml_opengl3/nuklear_sfml_gl3.h @@ -442,7 +442,9 @@ nk_sfml_handle_event(sf::Event* evt) } else nk_input_motion(ctx, evt->touch.x, evt->touch.y); return 1; } else if(evt->type == sf::Event::TextEntered) { - nk_input_unicode(ctx, evt->text.unicode); + if (evt->text.unicode != 8) { + nk_input_unicode(ctx, evt->text.unicode); + } return 1; } else if(evt->type == sf::Event::MouseWheelScrolled) { nk_input_scroll(ctx, nk_vec2(0,evt->mouseWheelScroll.delta)); diff --git a/demo/sfml_opengl3/nuklear_sfml_gl3.h.bak b/demo/sfml_opengl3/nuklear_sfml_gl3.h.bak new file mode 100644 index 0000000..fa2bc7e --- /dev/null +++ b/demo/sfml_opengl3/nuklear_sfml_gl3.h.bak @@ -0,0 +1,463 @@ +/* + * 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_ + +/* Feel free to edit here and include your own extension wrangler */ +#include +/* I use GLAD but you can use GLEW or what you like */ + +#include + +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 + +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 = NK_OFFSETOF(struct nk_sfml_vertex, position); + size_t vt = NK_OFFSETOF(struct nk_sfml_vertex, uv); + size_t vc = NK_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) +{ +#if 0 + /* Not Implemented in SFML */ + (void)usr; + sf::Clipboard clipboard(sfml.window); + const char* text = clipboard.getText(); + if(text) nk_textedit_paste(edit, text, nk_strlen(text)); +#endif +} +static void +nk_sfml_clipboard_copy(nk_handle usr, const char* text, int len) +{ +#if 0 + 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); +#endif +} + +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_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() +{ + 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* evt) +{ + struct nk_context* ctx = &sfml.ctx; + /* optional grabbing behavior */ + if(ctx->input.mouse.grab) + 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; + sf::Mouse::setPosition(sf::Vector2i(x, y), *sfml.window); + ctx->input.mouse.ungrab = 0; + } + if(evt->type == sf::Event::KeyReleased || evt->type == sf::Event::KeyPressed) + { + int down = evt->type == sf::Event::KeyPressed; + sf::Keyboard::Key key = evt->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(evt->type == sf::Event::MouseButtonPressed || evt->type == sf::Event::MouseButtonReleased) { + int down = evt->type == sf::Event::MouseButtonPressed; + const int x = evt->mouseButton.x, y = evt->mouseButton.y; + if(evt->mouseButton.button == sf::Mouse::Left) + nk_input_button(ctx, NK_BUTTON_LEFT, x, y, down); + if(evt->mouseButton.button == sf::Mouse::Middle) + nk_input_button(ctx, NK_BUTTON_MIDDLE, x, y, down); + if(evt->mouseButton.button == sf::Mouse::Right) + nk_input_button(ctx, NK_BUTTON_RIGHT, x, y, down); + else return 0; + return 1; + } else if(evt->type == sf::Event::MouseMoved) { + nk_input_motion(ctx, evt->mouseMove.x, evt->mouseMove.y); + return 1; + } else if(evt->type == sf::Event::TouchBegan || evt->type == sf::Event::TouchEnded) { + int down = evt->type == sf::Event::TouchBegan; + const int x = evt->touch.x, y = evt->touch.y; + nk_input_button(ctx, NK_BUTTON_LEFT, x, y, down); + return 1; + } else if(evt->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 + evt->touch.x, y + evt->touch.y); + } else nk_input_motion(ctx, evt->touch.x, evt->touch.y); + return 1; + } else if(evt->type == sf::Event::TextEntered) { + nk_input_unicode(ctx, evt->text.unicode); + return 1; + } else if(evt->type == sf::Event::MouseWheelScrolled) { + nk_input_scroll(ctx, nk_vec2(0,evt->mouseWheelScroll.delta)); + return 1; + } + return 0; +} + +NK_API +void nk_sfml_shutdown() +{ + nk_font_atlas_clear(&sfml.atlas); + nk_free(&sfml.ctx); + nk_sfml_device_destroy(); + memset(&sfml, 0, sizeof(sfml)); +} + +#endif