Nav: always disable highlight if nav is disabled, fix for IMGUI_DEBUG…

…_NAV_SCORING, minor renaming.

imgui.cpp

@@ -3685,13 +3685,15 @@ static void ImGui::UpdateMouseInputs()
 
     // Round mouse position to avoid spreading non-rounded position (e.g. UpdateManualResize doesn't support them well)
     if (IsMousePosValid(&g.IO.MousePos))
-        g.IO.MousePos = g.LastValidMousePos = ImFloor(g.IO.MousePos);
+        g.IO.MousePos = g.MouseLastValidPos = ImFloor(g.IO.MousePos);
 
     // If mouse just appeared or disappeared (usually denoted by -FLT_MAX components) we cancel out movement in MouseDelta
     if (IsMousePosValid(&g.IO.MousePos) && IsMousePosValid(&g.IO.MousePosPrev))
         g.IO.MouseDelta = g.IO.MousePos - g.IO.MousePosPrev;
     else
         g.IO.MouseDelta = ImVec2(0.0f, 0.0f);
+
+    // If mouse moved we re-enable mouse hovering in case it was disabled by gamepad/keyboard. In theory should use a >0.0f threshold but would need to reset in everywhere we set this to true.
     if (g.IO.MouseDelta.x != 0.0f || g.IO.MouseDelta.y != 0.0f)
         g.NavDisableMouseHover = false;
 
@@ -8762,7 +8764,7 @@ static bool ImGui::NavScoreItem(ImGuiNavItemData* result)
     // FIXME: Those are not good variables names
     ImRect cand = g.LastItemData.NavRect;   // Current item nav rectangle
     const ImRect curr = g.NavScoringRect;   // Current modified source rect (NB: we've applied Max.x = Min.x in NavUpdate() to inhibit the effect of having varied item width)
-    g.NavScoringCount++;
+    g.NavScoringDebugCount++;
 
     // When entering through a NavFlattened border, we consider child window items as fully clipped for scoring
     if (window->ParentWindow == g.NavWindow)
@@ -8929,14 +8931,7 @@ static void ImGui::NavProcessItem()
         if ((g.NavId != id || (g.NavMoveFlags & ImGuiNavMoveFlags_AllowCurrentNavId)) && !(item_flags & (ImGuiItemFlags_Disabled | ImGuiItemFlags_NoNav)))
         {
             ImGuiNavItemData* result = (window == g.NavWindow) ? &g.NavMoveResultLocal : &g.NavMoveResultOther;
-            bool new_best = NavScoreItem(result);
-
-#if IMGUI_DEBUG_NAV_SCORING
-            // [DEBUG] Scoring all items in NavWindow at all times
-            if (g.NavMoveFlags & ImGuiNavMoveFlags_DebugNoResult)
-                new_best = false;
-#endif
-            if (new_best)
+            if (NavScoreItem(result))
                 NavApplyItemToResult(result);
 
             // Features like PageUp/PageDown need to maintain a separate score for the visible set of items.
@@ -8972,6 +8967,7 @@ void ImGui::NavMoveRequestSubmit(ImGuiDir move_dir, ImGuiDir clip_dir, ImGuiNavM
     IM_ASSERT(g.NavWindow != NULL);
     g.NavMoveSubmitted = g.NavMoveScoringItems = true;
     g.NavMoveDir = move_dir;
+    g.NavMoveDirForDebug = move_dir;
     g.NavMoveClipDir = clip_dir;
     g.NavMoveFlags = move_flags;
     g.NavMoveForwardToNextFrame = false;
@@ -9098,7 +9094,7 @@ static ImVec2 ImGui::NavCalcPreferredRefPos()
         // Mouse (we need a fallback in case the mouse becomes invalid after being used)
         if (IsMousePosValid(&g.IO.MousePos))
             return g.IO.MousePos;
-        return g.LastValidMousePos;
+        return g.MouseLastValidPos;
     }
     else
     {
@@ -9155,7 +9151,7 @@ static void ImGui::NavUpdate()
 
     io.WantSetMousePos = false;
 #if 0
-    if (g.NavScoringCount > 0) IMGUI_DEBUG_LOG("NavScoringCount %d for '%s' layer %d (Init:%d, Move:%d)\n", g.NavScoringCount, g.NavWindow ? g.NavWindow->Name : "NULL", g.NavLayer, g.NavInitRequest || g.NavInitResultId != 0, g.NavMoveRequest);
+    if (g.NavScoringDebugCount > 0) IMGUI_DEBUG_LOG("NavScoringDebugCount %d for '%s' layer %d (Init:%d, Move:%d)\n", g.NavScoringDebugCount, g.NavWindow ? g.NavWindow->Name : "NULL", g.NavLayer, g.NavInitRequest || g.NavInitResultId != 0, g.NavMoveRequest);
 #endif
 
     // Set input source as Gamepad when buttons are pressed (as some features differs when used with Gamepad vs Keyboard)
@@ -9289,8 +9285,15 @@ static void ImGui::NavUpdate()
             SetScrollY(window, ImFloor(window->Scroll.y + scroll_dir.y * scroll_speed));
     }
 
+    // Always prioritize mouse highlight if navigation is disabled
+    if (!nav_keyboard_active && !nav_gamepad_active)
+    {
+        g.NavDisableHighlight = true;
+        g.NavDisableMouseHover = g.NavMousePosDirty = false;
+    }
+
     // [DEBUG]
-    g.NavScoringCount = 0;
+    g.NavScoringDebugCount = 0;
 #if IMGUI_DEBUG_NAV_RECTS
     if (g.NavWindow)
     {
@@ -9417,6 +9420,10 @@ void ImGui::NavUpdateCreateMoveRequest()
 void ImGui::NavMoveRequestApplyResult()
 {
     ImGuiContext& g = *GImGui;
+#if IMGUI_DEBUG_NAV_SCORING
+    if (g.NavMoveFlags & ImGuiNavMoveFlags_DebugNoResult) // [DEBUG] Scoring all items in NavWindow at all times
+        return;
+#endif
 
     // No result
     // In a situation when there is no results but NavId != 0, re-enable the Navigation highlight (because g.NavId is not considered as a possible result)

imgui_internal.h

@@ -1527,7 +1527,7 @@ struct ImGuiContext
     ImGuiDir                NavMoveDirForDebug;
     ImGuiDir                NavMoveClipDir;                     // FIXME-NAV: Describe the purpose of this better. Might want to rename?
     ImRect                  NavScoringRect;                     // Rectangle used for scoring, in screen space. Based of window->NavRectRel[], modified for directional navigation scoring.
-    int                     NavScoringCount;                    // Metrics for debugging
+    int                     NavScoringDebugCount;               // Metrics for debugging
     ImGuiNavItemData        NavMoveResultLocal;                 // Best move request candidate within NavWindow
     ImGuiNavItemData        NavMoveResultLocalVisible;          // Best move request candidate within NavWindow that are mostly visible (when using ImGuiNavMoveFlags_AlsoScoreVisibleSet flag)
     ImGuiNavItemData        NavMoveResultOther;                 // Best move request candidate within NavWindow's flattened hierarchy (when using ImGuiWindowFlags_NavFlattened flag)
@@ -1587,7 +1587,7 @@ struct ImGuiContext
     ImVector<ImGuiShrinkWidthItem>  ShrinkWidthBuffer;
 
     // Widget state
-    ImVec2                  LastValidMousePos;
+    ImVec2                  MouseLastValidPos;
     ImGuiInputTextState     InputTextState;
     ImFont                  InputTextPasswordFont;
     ImGuiID                 TempInputId;                        // Temporary text input when CTRL+clicking on a slider, etc.
@@ -1728,7 +1728,7 @@ struct ImGuiContext
         NavMoveFlags = ImGuiNavMoveFlags_None;
         NavMoveKeyMods = ImGuiKeyModFlags_None;
         NavMoveDir = NavMoveDirForDebug = NavMoveClipDir = ImGuiDir_None;
-        NavScoringCount = 0;
+        NavScoringDebugCount = 0;
 
         NavWindowingTarget = NavWindowingTargetAnim = NavWindowingListWindow = NULL;
         NavWindowingTimer = NavWindowingHighlightAlpha = 0.0f;
@@ -1758,7 +1758,6 @@ struct ImGuiContext
         CurrentTableStackIdx = -1;
         CurrentTabBar = NULL;
 
-        LastValidMousePos = ImVec2(0.0f, 0.0f);
         TempInputId = 0;
         ColorEditOptions = ImGuiColorEditFlags_DefaultOptions_;
         ColorEditLastHue = ColorEditLastSat = 0.0f;