Fix examples to use nk_vec2 in nk_input_scroll() calls.

example/canvas.c

@@ -307,7 +307,7 @@ static void error_callback(int e, const char *d){printf("Error %d: %s\n", e, d);
 static void text_input(GLFWwindow *win, unsigned int codepoint)
 {nk_input_unicode((struct nk_context*)glfwGetWindowUserPointer(win), codepoint);}
 static void scroll_input(GLFWwindow *win, double _, double yoff)
-{UNUSED(_);nk_input_scroll((struct nk_context*)glfwGetWindowUserPointer(win), (float)yoff);}
+{UNUSED(_);nk_input_scroll((struct nk_context*)glfwGetWindowUserPointer(win), nk_vec2(0, (float)yoff));}
 
 static void
 pump_input(struct nk_context *ctx, GLFWwindow *win)

example/extended.c

@@ -734,7 +734,7 @@ static void error_callback(int e, const char *d){printf("Error %d: %s\n", e, d);
 static void text_input(GLFWwindow *win, unsigned int codepoint)
 {nk_input_unicode((struct nk_context*)glfwGetWindowUserPointer(win), codepoint);}
 static void scroll_input(GLFWwindow *win, double _, double yoff)
-{UNUSED(_);nk_input_scroll((struct nk_context*)glfwGetWindowUserPointer(win), (float)yoff);}
+{UNUSED(_);nk_input_scroll((struct nk_context*)glfwGetWindowUserPointer(win), nk_vec2(0, (float)yoff));}
 
 int main(int argc, char *argv[])
 {

example/file_browser.c

@@ -765,7 +765,7 @@ static void error_callback(int e, const char *d){printf("Error %d: %s\n", e, d);
 static void text_input(GLFWwindow *win, unsigned int codepoint)
 {nk_input_unicode((struct nk_context*)glfwGetWindowUserPointer(win), codepoint);}
 static void scroll_input(GLFWwindow *win, double _, double yoff)
-{UNUSED(_);nk_input_scroll((struct nk_context*)glfwGetWindowUserPointer(win), (float)yoff);}
+{UNUSED(_);nk_input_scroll((struct nk_context*)glfwGetWindowUserPointer(win), nk_vec2(0, (float)yoff));}
 
 int main(int argc, char *argv[])
 {

example/skinning.c

@@ -334,7 +334,7 @@ static void error_callback(int e, const char *d){printf("Error %d: %s\n", e, d);
 static void text_input(GLFWwindow *win, unsigned int codepoint)
 {nk_input_unicode((struct nk_context*)glfwGetWindowUserPointer(win), codepoint);}
 static void scroll_input(GLFWwindow *win, double _, double yoff)
-{UNUSED(_);nk_input_scroll((struct nk_context*)glfwGetWindowUserPointer(win), (float)yoff);}
+{UNUSED(_);nk_input_scroll((struct nk_context*)glfwGetWindowUserPointer(win), nk_vec2(0, (float)yoff));}
 
 int main(int argc, char *argv[])
 {