Add position options to place the overlay halfway down the screen (#561)

README.md

@@ -162,7 +162,7 @@ Parameters that are enabled by default have to be explicitly disabled. These (cu
 | `font_glyph_ranges`                | Specify extra font glyph ranges, comma separated: `korean`, `chinese`, `chinese_simplified`, `japanese`, `cyrillic`, `thai`, `vietnamese`, `latin_ext_a`, `latin_ext_b`. If you experience crashes or text is just squares, reduce font size or glyph ranges. |
 | `no_small_font`                    | Use primary font size for smaller text like units                                     |
 | `width=`<br>`height=`              | Customizeable hud dimensions (in pixels)                                              |
-| `position=`                        | Location of the hud: `top-left` (default), `top-right`, `bottom-left`, `bottom-right`, `top-center` |
+| `position=`                        | Location of the hud: `top-left` (default), `top-right`, `middle-left`, `middle-right`, `bottom-left`, `bottom-right`, `top-center` |
 | `offset_x` `offset_y`              | Hud position offsets                                                                  |
 | `no_display`                       | Hide the hud by default                                                               |
 | `toggle_hud=`<br>`toggle_logging=` | Modifiable toggle hotkeys. Default are `Shift_R+F12` and `Shift_L+F2`, respectively.      |

src/overlay.cpp

@@ -190,6 +190,14 @@ void position_layer(struct swapchain_stats& data, struct overlay_params& params,
       data.main_window_pos = ImVec2(width - window_size.x - margin + params.offset_x, margin + params.offset_y);
       ImGui::SetNextWindowPos(data.main_window_pos, ImGuiCond_Always);
       break;
+   case LAYER_POSITION_MIDDLE_LEFT:
+      data.main_window_pos = ImVec2(margin + params.offset_x, height / 2 - window_size.y / 2 - margin + params.offset_y);
+      ImGui::SetNextWindowPos(data.main_window_pos, ImGuiCond_Always);
+      break;
+   case LAYER_POSITION_MIDDLE_RIGHT:
+      data.main_window_pos = ImVec2(width - window_size.x - margin + params.offset_x, height / 2 - window_size.y / 2 - margin + params.offset_y);
+      ImGui::SetNextWindowPos(data.main_window_pos, ImGuiCond_Always);
+      break;
    case LAYER_POSITION_BOTTOM_LEFT:
       data.main_window_pos = ImVec2(margin + params.offset_x, height - window_size.y - margin + params.offset_y);
       ImGui::SetNextWindowPos(data.main_window_pos, ImGuiCond_Always);

src/overlay_params.cpp

@@ -74,6 +74,10 @@ parse_position(const char *str)
       return LAYER_POSITION_TOP_LEFT;
    if (!strcmp(str, "top-right"))
       return LAYER_POSITION_TOP_RIGHT;
+   if (!strcmp(str, "middle-left"))
+      return LAYER_POSITION_MIDDLE_LEFT;
+   if (!strcmp(str, "middle-right"))
+      return LAYER_POSITION_MIDDLE_RIGHT;
    if (!strcmp(str, "bottom-left"))
       return LAYER_POSITION_BOTTOM_LEFT;
    if (!strcmp(str, "bottom-right"))

src/overlay_params.h

@@ -143,6 +143,8 @@ typedef unsigned long KeySym;
 enum overlay_param_position {
    LAYER_POSITION_TOP_LEFT,
    LAYER_POSITION_TOP_RIGHT,
+   LAYER_POSITION_MIDDLE_LEFT,
+   LAYER_POSITION_MIDDLE_RIGHT,
    LAYER_POSITION_BOTTOM_LEFT,
    LAYER_POSITION_BOTTOM_RIGHT,
    LAYER_POSITION_TOP_CENTER,