Fix being unable to mouse wheel while dragging a payload (fix 1480bc5, #4921, #2891)

imgui.cpp

@@ -3862,7 +3862,7 @@ void ImGui::StartMouseMovingWindow(ImGuiWindow* window)
     g.NavDisableHighlight = true;
     g.ActiveIdClickOffset = g.IO.MouseClickedPos[0] - window->RootWindow->Pos;
     g.ActiveIdNoClearOnFocusLoss = true;
-    SetActiveIdUsingNavAndKeys();
+    SetActiveIdUsingAllKeyboardKeys();
 
     bool can_move_window = true;
     if ((window->Flags & ImGuiWindowFlags_NoMove) || (window->RootWindow->Flags & ImGuiWindowFlags_NoMove))
@@ -5233,12 +5233,17 @@ void ImGui::SetItemUsingMouseWheel()
     }
 }
 
-void ImGui::SetActiveIdUsingNavAndKeys()
+// FIXME: Technically this also prevents use of Gamepad D-Pad, may not be an issue.
+void ImGui::SetActiveIdUsingAllKeyboardKeys()
 {
     ImGuiContext& g = *GImGui;
     IM_ASSERT(g.ActiveId != 0);
     g.ActiveIdUsingNavDirMask = ~(ImU32)0;
-    g.ActiveIdUsingKeyInputMask.SetAllBits();
+    g.ActiveIdUsingKeyInputMask.SetBitRange(ImGuiKey_Keyboard_BEGIN, ImGuiKey_Keyboard_END);
+    g.ActiveIdUsingKeyInputMask.SetBit(ImGuiKey_ModCtrl);
+    g.ActiveIdUsingKeyInputMask.SetBit(ImGuiKey_ModShift);
+    g.ActiveIdUsingKeyInputMask.SetBit(ImGuiKey_ModAlt);
+    g.ActiveIdUsingKeyInputMask.SetBit(ImGuiKey_ModSuper);
     NavMoveRequestCancel();
 }
 
@@ -11216,7 +11221,7 @@ bool ImGui::BeginDragDropSource(ImGuiDragDropFlags flags)
         source_drag_active = IsMouseDragging(mouse_button);
 
         // Disable navigation and key inputs while dragging + cancel existing request if any
-        SetActiveIdUsingNavAndKeys();
+        SetActiveIdUsingAllKeyboardKeys();
     }
     else
     {

imgui.h

@@ -65,7 +65,7 @@ Index of this file:
 // Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY99 then bounce up to XYY00, XYY01 etc. when release tagging happens)
 #define IMGUI_VERSION               "1.89 WIP"
-#define IMGUI_VERSION_NUM           18807
+#define IMGUI_VERSION_NUM           18808
 #define IMGUI_CHECKVERSION()        ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
 #define IMGUI_HAS_TABLE
 

imgui_internal.h

@@ -1175,6 +1175,8 @@ enum ImGuiKeyPrivate_
 {
     ImGuiKey_LegacyNativeKey_BEGIN  = 0,
     ImGuiKey_LegacyNativeKey_END    = 512,
+    ImGuiKey_Keyboard_BEGIN         = ImGuiKey_NamedKey_BEGIN,
+    ImGuiKey_Keyboard_END           = ImGuiKey_GamepadStart,
     ImGuiKey_Gamepad_BEGIN          = ImGuiKey_GamepadStart,
     ImGuiKey_Gamepad_END            = ImGuiKey_GamepadRStickDown + 1,
     ImGuiKey_Aliases_BEGIN          = ImGuiKey_MouseLeft,
@@ -2702,7 +2704,7 @@ namespace ImGui
     IMGUI_API ImGuiKeyData* GetKeyData(ImGuiKey key);
     IMGUI_API void          GetKeyChordName(ImGuiModFlags mods, ImGuiKey key, char* out_buf, int out_buf_size);
     IMGUI_API void          SetItemUsingMouseWheel();
-    IMGUI_API void          SetActiveIdUsingNavAndKeys();
+    IMGUI_API void          SetActiveIdUsingAllKeyboardKeys();
     inline bool             IsActiveIdUsingNavDir(ImGuiDir dir)                         { ImGuiContext& g = *GImGui; return (g.ActiveIdUsingNavDirMask & (1 << dir)) != 0; }
     inline bool             IsActiveIdUsingKey(ImGuiKey key)                            { ImGuiContext& g = *GImGui; return g.ActiveIdUsingKeyInputMask[key]; }
     inline void             SetActiveIdUsingKey(ImGuiKey key)                           { ImGuiContext& g = *GImGui; g.ActiveIdUsingKeyInputMask.SetBit(key); }