InputText: Fixed a bug where ESCAPE would be first captured by the Keyboard Navigation code. (#2321, #787)

docs/CHANGELOG.txt

@@ -36,6 +36,7 @@ HOW TO UPDATE?
 Other Changes:
 - Added .editorconfig file for text editors to standardize using spaces. (#2038) [@kudaba]
 - InputText: Fixed a bug where ESCAPE would not restore the initial value in all situations. (#2321) [@relick]
+- InputText: Fixed a bug where ESCAPE would be first captured by the Keyboard Navigation code. (#2321, #787)
 - Fixed range-version of PushID() and GetID() not honoring the ### operator to restart from the seed value.
 - Fixed CloseCurrentPopup() on a child-menu of a modal incorrectly closing the modal. (#2308)
 - Window: When resizing from an edge, the border is more visible and better follow the rounded corners.

imgui.cpp

@@ -2644,6 +2644,7 @@ void ImGui::SetActiveID(ImGuiID id, ImGuiWindow* window)
     }
     g.ActiveId = id;
     g.ActiveIdAllowNavDirFlags = 0;
+    g.ActiveIdBlockNavInputFlags = 0;
     g.ActiveIdAllowOverlap = false;
     g.ActiveIdWindow = window;
     if (id)
@@ -7630,7 +7631,8 @@ static void ImGui::NavUpdate()
     {
         if (g.ActiveId != 0)
         {
-            ClearActiveID();
+            if (!(g.ActiveIdBlockNavInputFlags & (1 << ImGuiNavInput_Cancel)))
+                ClearActiveID();
         }
         else if (g.NavWindow && (g.NavWindow->Flags & ImGuiWindowFlags_ChildWindow) && !(g.NavWindow->Flags & ImGuiWindowFlags_Popup) && g.NavWindow->ParentWindow)
         {

imgui_internal.h

@@ -777,6 +777,7 @@ struct ImGuiContext
     bool                    ActiveIdPreviousFrameIsAlive;
     bool                    ActiveIdPreviousFrameHasBeenEdited;
     int                     ActiveIdAllowNavDirFlags;           // Active widget allows using directional navigation (e.g. can activate a button and move away from it)
+    int                     ActiveIdBlockNavInputFlags;
     ImVec2                  ActiveIdClickOffset;                // Clicked offset from upper-left corner, if applicable (currently only set by ButtonBehavior)
     ImGuiWindow*            ActiveIdWindow;
     ImGuiWindow*            ActiveIdPreviousFrameWindow;
@@ -931,7 +932,8 @@ struct ImGuiContext
         ActiveIdHasBeenEdited = false;
         ActiveIdPreviousFrameIsAlive = false;
         ActiveIdPreviousFrameHasBeenEdited = false;
-        ActiveIdAllowNavDirFlags = 0;
+        ActiveIdAllowNavDirFlags = 0x00;
+        ActiveIdBlockNavInputFlags = 0x00;
         ActiveIdClickOffset = ImVec2(-1,-1);
         ActiveIdWindow = ActiveIdPreviousFrameWindow = NULL;
         ActiveIdSource = ImGuiInputSource_None;

imgui_widgets.cpp

@@ -2628,6 +2628,7 @@ bool ImGui::InputScalarAsWidgetReplacement(const ImRect& bb, ImGuiID id, const c
     SetActiveID(g.ScalarAsInputTextId, window);
     SetHoveredID(0);
     g.ActiveIdAllowNavDirFlags = (1 << ImGuiDir_Up) | (1 << ImGuiDir_Down);
+    g.ActiveIdBlockNavInputFlags = (1 << ImGuiNavInput_Cancel);
 
     char fmt_buf[32];
     char data_buf[32];
@@ -3257,8 +3258,9 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
         SetActiveID(id, window);
         SetFocusID(id, window);
         FocusWindow(window);
+        g.ActiveIdBlockNavInputFlags = (1 << ImGuiNavInput_Cancel);
         if (!is_multiline && !(flags & ImGuiInputTextFlags_CallbackHistory))
-            g.ActiveIdAllowNavDirFlags |= ((1 << ImGuiDir_Up) | (1 << ImGuiDir_Down));
+            g.ActiveIdAllowNavDirFlags = ((1 << ImGuiDir_Up) | (1 << ImGuiDir_Down));
     }
     else if (io.MouseClicked[0])
     {