Update Nuklear to 1.40.0

deps/nuklear_glfw_gl2.h

@@ -1,7 +1,7 @@
 /*
  * Nuklear - v1.32.0 - public domain
  * no warrenty implied; use at your own risk.
- * authored from 2015-2016 by Micha Mettke
+ * authored from 2015-2017 by Micha Mettke
  */
 /*
  * ==============================================================
@@ -24,7 +24,7 @@ NK_API void                 nk_glfw3_font_stash_begin(struct nk_font_atlas **atl
 NK_API void                 nk_glfw3_font_stash_end(void);
 
 NK_API void                 nk_glfw3_new_frame(void);
-NK_API void                 nk_glfw3_render(enum nk_anti_aliasing , int max_vertex_buffer, int max_element_buffer);
+NK_API void                 nk_glfw3_render(enum nk_anti_aliasing);
 NK_API void                 nk_glfw3_shutdown(void);
 
 NK_API void                 nk_glfw3_char_callback(GLFWwindow *win, unsigned int codepoint);
@@ -44,6 +44,12 @@ NK_API void                 nk_gflw3_scroll_callback(GLFWwindow *win, double xof
 #ifndef NK_GLFW_TEXT_MAX
 #define NK_GLFW_TEXT_MAX 256
 #endif
+#ifndef NK_GLFW_DOUBLE_CLICK_LO
+#define NK_GLFW_DOUBLE_CLICK_LO 0.02
+#endif
+#ifndef NK_GLFW_DOUBLE_CLICK_HI
+#define NK_GLFW_DOUBLE_CLICK_HI 0.2
+#endif
 
 struct nk_glfw_device {
     struct nk_buffer cmds;
@@ -67,7 +73,8 @@ static struct nk_glfw {
     struct nk_vec2 fb_scale;
     unsigned int text[NK_GLFW_TEXT_MAX];
     int text_len;
-    float scroll;
+    struct nk_vec2 scroll;
+    double last_button_click;
 } glfw;
 
 NK_INTERN void
@@ -83,7 +90,7 @@ nk_glfw3_device_upload_atlas(const void *image, int width, int height)
 }
 
 NK_API void
-nk_glfw3_render(enum nk_anti_aliasing AA, int max_vertex_buffer, int max_element_buffer)
+nk_glfw3_render(enum nk_anti_aliasing AA)
 {
     /* setup global state */
     struct nk_glfw_device *dev = &glfw.ogl;
@@ -200,7 +207,22 @@ NK_API void
 nk_gflw3_scroll_callback(GLFWwindow *win, double xoff, double yoff)
 {
     (void)win; (void)xoff;
-    glfw.scroll += (float)yoff;
+    glfw.scroll.x += (float)xoff;
+    glfw.scroll.y += (float)yoff;
+}
+
+NK_API void
+nk_glfw3_mouse_button_callback(GLFWwindow* window, int button, int action, int mods)
+{
+    double x, y;
+    if (button != GLFW_MOUSE_BUTTON_LEFT) return;
+    glfwGetCursorPos(window, &x, &y);
+    if (action == GLFW_PRESS)  {
+        double dt = glfwGetTime() - glfw.last_button_click;
+        if (dt > NK_GLFW_DOUBLE_CLICK_LO && dt < NK_GLFW_DOUBLE_CLICK_HI)
+            nk_input_button(&glfw.ctx, NK_BUTTON_DOUBLE, (int)x, (int)y, nk_true);
+        glfw.last_button_click = glfwGetTime();
+    } else nk_input_button(&glfw.ctx, NK_BUTTON_DOUBLE, (int)x, (int)y, nk_false);
 }
 
 NK_INTERN void
@@ -232,8 +254,8 @@ nk_glfw3_init(GLFWwindow *win, enum nk_glfw_init_state init_state)
     if (init_state == NK_GLFW3_INSTALL_CALLBACKS) {
         glfwSetScrollCallback(win, nk_gflw3_scroll_callback);
         glfwSetCharCallback(win, nk_glfw3_char_callback);
+        glfwSetMouseButtonCallback(win, nk_glfw3_mouse_button_callback);
     }
-
     nk_init_default(&glfw.ctx, 0);
     glfw.ctx.clip.copy = nk_glfw3_clipbard_copy;
     glfw.ctx.clip.paste = nk_glfw3_clipbard_paste;
@@ -333,7 +355,7 @@ nk_glfw3_new_frame(void)
     nk_input_scroll(ctx, glfw.scroll);
     nk_input_end(&glfw.ctx);
     glfw.text_len = 0;
-    glfw.scroll = 0;
+    glfw.scroll = nk_vec2(0,0);
 }
 
 NK_API

tests/gamma.c

@@ -140,7 +140,7 @@ int main(int argc, char** argv)
         }
 
         nk_end(nk);
-        nk_glfw3_render(NK_ANTI_ALIASING_ON, 10000, 1000);
+        nk_glfw3_render(NK_ANTI_ALIASING_ON);
 
         glfwSwapBuffers(window);
         glfwWaitEventsTimeout(1.0);

tests/joysticks.c

@@ -298,7 +298,7 @@ int main(void)
             nk_end(nk);
         }
 
-        nk_glfw3_render(NK_ANTI_ALIASING_ON, 10000, 1000);
+        nk_glfw3_render(NK_ANTI_ALIASING_ON);
 
         glfwSwapBuffers(window);
         glfwPollEvents();