Hud elements exec function

src/hud_elements.cpp

@@ -533,6 +533,17 @@ void HudElements::custom_text(){
     ImGui::PopFont();
 }
 
+void HudElements::_exec(){
+    std::string value = HUDElements.ordered_functions[HUDElements.place].second;
+    ImGui::PushFont(HUDElements.sw_stats->font1);
+    ImGui::TableNextCell();
+    for (auto& item : HUDElements.exec_list){
+        if (item.pos == HUDElements.place)
+            ImGui::Text("%s", item.ret.c_str());
+    }
+    ImGui::PopFont();
+}
+
 void HudElements::graphs(){
     ImGui::TableNextRow();
     ImGui::Dummy(ImVec2(0.0f, real_font_size.y));
@@ -680,6 +691,8 @@ void HudElements::sort_elements(std::pair<std::string, std::string> option){
     if (param == "show_fps_limit")  { ordered_functions.push_back({show_fps_limit, value});         }
     if (param == "custom_text")     { ordered_functions.push_back({custom_text, value});            }
     if (param == "custom_text_center")  { ordered_functions.push_back({custom_text_center, value}); }
+    if (param == "exec")            { ordered_functions.push_back({_exec, value});                  
+                                      exec_list.push_back({ordered_functions.size() - 1, value});       }
     if (param == "graphs"){
         if (!HUDElements.params->enabled[OVERLAY_PARAM_ENABLED_graphs])
             HUDElements.params->enabled[OVERLAY_PARAM_ENABLED_graphs] = true;
@@ -716,4 +729,9 @@ void HudElements::legacy_elements(){
     ordered_functions.push_back({media_player,       value});
 }
 
+void HudElements::update_exec(){
+    for(auto& item : exec_list)
+        item.ret = exec(item.value);
+}
+
 HudElements HUDElements;

src/hud_elements.h

@@ -4,16 +4,23 @@
 #include <functional>
 #include <map>
 #include <sstream>
+#include <logging.h>
 
 class HudElements{
     public:
         struct swapchain_stats *sw_stats;
         struct overlay_params *params;
+        struct exec_list {
+            int             pos;
+            std::string     value;
+            std::string     ret;
+        };
         float ralign_width;
         float old_scale;
         float res_width, res_height;
         bool is_vulkan;
         int place;
+        Clock::time_point last_exec;
         std::vector<std::pair<std::string, std::string>> options;
         std::vector<std::pair<void(*)(), std::string >> ordered_functions;
         int min, max, gpu_core_max, gpu_mem_max, cpu_temp_max, gpu_temp_max;
@@ -21,8 +28,10 @@ class HudElements{
             "gpu_load", "cpu_load", "gpu_core_clock", "gpu_mem_clock",
             "vram", "ram", "cpu_temp", "gpu_temp"
         };
+        std::vector<exec_list> exec_list;
         void sort_elements(std::pair<std::string, std::string> option);
         void legacy_elements();
+        void update_exec();
         static void version();
         static void time();
         static void gpu_stats();
@@ -44,6 +53,7 @@ class HudElements{
         static void custom_text_center();
         static void custom_text();
         static void graphs();
+        static void _exec();
 
         void convert_colors(struct overlay_params& params);
         void convert_colors(bool do_conv, struct overlay_params& params);
@@ -70,6 +80,7 @@ class HudElements{
                 fps_value_med,
                 fps_value_high;
         } colors {};
+        
 };
 
 extern HudElements HUDElements;

src/overlay.cpp

@@ -87,6 +87,7 @@ void update_hud_info(struct swapchain_stats& sw_stats, struct overlay_params& pa
 
    frametime = now - sw_stats.last_present_time;
    if (elapsed >= params.fps_sampling_period) {
+      HUDElements.update_exec();
       std::thread(update_hw_info, std::ref(sw_stats), std::ref(params), vendorID).detach();
       sw_stats.fps = fps;
 

src/overlay_params.cpp

@@ -611,6 +611,7 @@ parse_overlay_config(struct overlay_params *params,
 #endif
 
    HUDElements.ordered_functions.clear();
+   HUDElements.exec_list.clear();
    // first pass with env var
    if (env)
       parse_overlay_env(params, env);

src/overlay_params.h

@@ -64,6 +64,7 @@ typedef unsigned long KeySym;
    OVERLAY_PARAM_BOOL(fps_color_change)              \
    OVERLAY_PARAM_BOOL(custom_text_center)            \
    OVERLAY_PARAM_BOOL(custom_text)                   \
+   OVERLAY_PARAM_BOOL(exec)                          \
    OVERLAY_PARAM_CUSTOM(fps_sampling_period)         \
    OVERLAY_PARAM_CUSTOM(output_folder)               \
    OVERLAY_PARAM_CUSTOM(output_file)                 \