Use ESC for back

Fixes #158

Author: RobLoach

demo/raylib/main.c

@@ -21,6 +21,7 @@ struct nk_rect lastWindowSize;
 int main() {
     SetConfigFlags(FLAG_WINDOW_RESIZABLE);
     InitWindow(800, 450, "nuklear_console_demo");
+    SetExitKey(KEY_NULL);
     SetWindowMinSize(200, 200);
 
     // Create the Nuklear Context

nuklear_console.h

@@ -1395,7 +1395,11 @@ NK_API nk_bool nk_console_button_pushed(nk_console* console, int button) {
         case NK_GAMEPAD_BUTTON_LEFT: return data->axis_left_fired || nk_input_is_key_released(&console->ctx->input, NK_KEY_LEFT);
         case NK_GAMEPAD_BUTTON_RIGHT: return data->axis_right_fired || nk_input_is_key_released(&console->ctx->input, NK_KEY_RIGHT);
         case NK_GAMEPAD_BUTTON_A: return nk_input_is_key_released(&console->ctx->input, NK_KEY_ENTER);
-        case NK_GAMEPAD_BUTTON_B: return nk_input_is_key_released(&console->ctx->input, NK_KEY_BACKSPACE) || (nk_input_is_mouse_pressed(&console->ctx->input, NK_BUTTON_X1) && nk_window_is_hovered(console->ctx));
+        case NK_GAMEPAD_BUTTON_B:
+            // Escape Key
+            return nk_input_is_key_released(&console->ctx->input, NK_KEY_TEXT_RESET_MODE) ||
+            // Mouse Back Button
+            (nk_input_is_mouse_pressed(&console->ctx->input, NK_BUTTON_X1) && nk_window_is_hovered(console->ctx));
         // case NK_GAMEPAD_BUTTON_X: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_A);
         // case NK_GAMEPAD_BUTTON_Y: return nk_input_is_key_pressed(&console->ctx->input, NK_KEY_S);
         case NK_GAMEPAD_BUTTON_LB: return nk_input_is_key_released(&console->ctx->input, NK_KEY_UP) && nk_input_is_key_down(&console->ctx->input, NK_KEY_SHIFT);