fix show/hide waterfall keybind not working with the Display menu hidden

Author: AlexandreRouma

core/src/gui/main_window.cpp

@@ -463,6 +463,8 @@ void MainWindow::draw() {
         }
     }
 
+    // Process menu keybinds
+    displaymenu::checkKeybinds();
 
     // Left Column
     lockWaterfallControls = false;

core/src/gui/menus/display.cpp

@@ -127,15 +127,24 @@ namespace displaymenu {
         uiScaleId = uiScales.valueId(style::uiScale);
     }
 
+    void setWaterfallShown(bool shown) {
+        showWaterfall = shown;
+        showWaterfall ? gui::waterfall.showWaterfall() : gui::waterfall.hideWaterfall();
+        core::configManager.acquire();
+        core::configManager.conf["showWaterfall"] = showWaterfall;
+        core::configManager.release(true);
+    }
+
+    void checkKeybinds() {
+        if (ImGui::IsKeyPressed(ImGuiKey_Home, false)) {
+            setWaterfallShown(!showWaterfall);
+        }
+    }
+
     void draw(void* ctx) {
         float menuWidth = ImGui::GetContentRegionAvail().x;
-        bool homePressed = ImGui::IsKeyPressed(ImGuiKey_Home, false);
-        if (ImGui::Checkbox("Show Waterfall##_sdrpp", &showWaterfall) || homePressed) {
-            if (homePressed) { showWaterfall = !showWaterfall; }
-            showWaterfall ? gui::waterfall.showWaterfall() : gui::waterfall.hideWaterfall();
-            core::configManager.acquire();
-            core::configManager.conf["showWaterfall"] = showWaterfall;
-            core::configManager.release(true);
+        if (ImGui::Checkbox("Show Waterfall##_sdrpp", &showWaterfall)) {
+            setWaterfallShown(showWaterfall);
         }
 
         if (ImGui::Checkbox("Full Waterfall Update##_sdrpp", &fullWaterfallUpdate)) {

core/src/gui/menus/display.h

@@ -2,5 +2,6 @@
 
 namespace displaymenu {
     void init();
+    void checkKeybinds();
     void draw(void* ctx);
 }