fix backspace question mark problem

demo/sfml_opengl3/nuklear_sfml_gl3.h.bak

@@ -1,463 +0,0 @@
-/*
- * 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 <glad/glad.h>
-/* I use GLAD but you can use GLEW or what you like */
-
-#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 = 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